diff options
| author | Ingo Molnar <mingo@elte.hu> | 2009-02-11 09:22:04 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-02-11 09:22:04 +0100 |
| commit | 95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c (patch) | |
| tree | aa2aac22a5b329b778a6771a87bbf1945ad49bbd /drivers | |
| parent | d278c48435625cb6b7edcf6a547620768b175709 (diff) | |
| parent | 8e4921515c1a379539607eb443d51c30f4f7f338 (diff) | |
| download | op-kernel-dev-95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c.zip op-kernel-dev-95fd4845ed0ffcab305b4f30ce1c12dc34f1b56c.tar.gz | |
Merge commit 'v2.6.29-rc4' into perfcounters/core
Conflicts:
arch/x86/kernel/setup_percpu.c
arch/x86/mm/fault.c
drivers/acpi/processor_idle.c
kernel/irq/handle.c
Diffstat (limited to 'drivers')
467 files changed, 15339 insertions, 3984 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig index d7f9839..a7799a9 100644 --- a/drivers/acpi/Kconfig +++ b/drivers/acpi/Kconfig @@ -9,6 +9,7 @@ menuconfig ACPI depends on PCI depends on PM select PNP + select CPU_IDLE default y ---help--- Advanced Configuration and Power Interface (ACPI) support for @@ -287,7 +288,7 @@ config ACPI_CONTAINER support physical cpu/memory hot-plug. If one selects "m", this driver can be loaded with - "modprobe acpi_container". + "modprobe container". config ACPI_HOTPLUG_MEMORY tristate "Memory Hotplug" diff --git a/drivers/acpi/acpica/tbutils.c b/drivers/acpi/acpica/tbutils.c index 9684cc8..22ce489 100644 --- a/drivers/acpi/acpica/tbutils.c +++ b/drivers/acpi/acpica/tbutils.c @@ -538,10 +538,9 @@ acpi_tb_parse_root_table(acpi_physical_address rsdp_address, u8 flags) if (ACPI_FAILURE(status)) { ACPI_WARNING((AE_INFO, "Truncating %u table entries!", - (unsigned) - (acpi_gbl_root_table_list.size - - acpi_gbl_root_table_list. - count))); + (unsigned) (table_count - + (acpi_gbl_root_table_list. + count - 2)))); break; } } diff --git a/drivers/acpi/acpica/uteval.c b/drivers/acpi/acpica/uteval.c index da9450bc..9c9897d 100644 --- a/drivers/acpi/acpica/uteval.c +++ b/drivers/acpi/acpica/uteval.c @@ -116,9 +116,9 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) return_ACPI_STATUS(AE_NO_MEMORY); } - /* Default return value is SUPPORTED */ + /* Default return value is 0, NOT-SUPPORTED */ - return_desc->integer.value = ACPI_UINT32_MAX; + return_desc->integer.value = 0; walk_state->return_desc = return_desc; /* Compare input string to static table of supported interfaces */ @@ -127,10 +127,8 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) if (!ACPI_STRCMP (string_desc->string.pointer, acpi_interfaces_supported[i])) { - - /* The interface is supported */ - - return_ACPI_STATUS(AE_OK); + return_desc->integer.value = ACPI_UINT32_MAX; + goto done; } } @@ -141,15 +139,14 @@ acpi_status acpi_ut_osi_implementation(struct acpi_walk_state *walk_state) */ status = acpi_os_validate_interface(string_desc->string.pointer); if (ACPI_SUCCESS(status)) { - - /* The interface is supported */ - - return_ACPI_STATUS(AE_OK); + return_desc->integer.value = ACPI_UINT32_MAX; } - /* The interface is not supported */ +done: + ACPI_DEBUG_PRINT_RAW((ACPI_DB_INFO, "ACPI: BIOS _OSI(%s) %ssupported\n", + string_desc->string.pointer, + return_desc->integer.value == 0 ? "not-" : "")); - return_desc->integer.value = 0; return_ACPI_STATUS(AE_OK); } diff --git a/drivers/acpi/container.c b/drivers/acpi/container.c index 17020c1..fe0cdf8 100644 --- a/drivers/acpi/container.c +++ b/drivers/acpi/container.c @@ -163,7 +163,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) case ACPI_NOTIFY_BUS_CHECK: /* Fall through */ case ACPI_NOTIFY_DEVICE_CHECK: - printk("Container driver received %s event\n", + printk(KERN_WARNING "Container driver received %s event\n", (type == ACPI_NOTIFY_BUS_CHECK) ? "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK"); status = acpi_bus_get_device(handle, &device); @@ -174,7 +174,8 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context) kobject_uevent(&device->dev.kobj, KOBJ_ONLINE); else - printk("Failed to add container\n"); + printk(KERN_WARNING + "Failed to add container\n"); } } else { if (ACPI_SUCCESS(status)) { diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c index 5b30b8d..35094f2 100644 --- a/drivers/acpi/dock.c +++ b/drivers/acpi/dock.c @@ -855,10 +855,14 @@ fdd_out: static ssize_t show_docked(struct device *dev, struct device_attribute *attr, char *buf) { + struct acpi_device *tmp; + struct dock_station *dock_station = *((struct dock_station **) dev->platform_data); - return snprintf(buf, PAGE_SIZE, "%d\n", dock_present(dock_station)); + if (ACPI_SUCCESS(acpi_bus_get_device(dock_station->handle, &tmp))) + return snprintf(buf, PAGE_SIZE, "1\n"); + return snprintf(buf, PAGE_SIZE, "0\n"); } static DEVICE_ATTR(docked, S_IRUGO, show_docked, NULL); @@ -984,7 +988,7 @@ static int dock_add(acpi_handle handle) ret = device_create_file(&dock_device->dev, &dev_attr_docked); if (ret) { - printk("Error %d adding sysfs file\n", ret); + printk(KERN_ERR "Error %d adding sysfs file\n", ret); platform_device_unregister(dock_device); kfree(dock_station); dock_station = NULL; @@ -992,7 +996,7 @@ static int dock_add(acpi_handle handle) } ret = device_create_file(&dock_device->dev, &dev_attr_undock); if (ret) { - printk("Error %d adding sysfs file\n", ret); + printk(KERN_ERR "Error %d adding sysfs file\n", ret); device_remove_file(&dock_device->dev, &dev_attr_docked); platform_device_unregister(dock_device); kfree(dock_station); @@ -1001,7 +1005,7 @@ static int dock_add(acpi_handle handle) } ret = device_create_file(&dock_device->dev, &dev_attr_uid); if (ret) { - printk("Error %d adding sysfs file\n", ret); + printk(KERN_ERR "Error %d adding sysfs file\n", ret); device_remove_file(&dock_device->dev, &dev_attr_docked); device_remove_file(&dock_device->dev, &dev_attr_undock); platform_device_unregister(dock_device); @@ -1011,7 +1015,7 @@ static int dock_add(acpi_handle handle) } ret = device_create_file(&dock_device->dev, &dev_attr_flags); if (ret) { - printk("Error %d adding sysfs file\n", ret); + printk(KERN_ERR "Error %d adding sysfs file\n", ret); device_remove_file(&dock_device->dev, &dev_attr_docked); device_remove_file(&dock_device->dev, &dev_attr_undock); device_remove_file(&dock_device->dev, &dev_attr_uid); diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c index a2b82c9..5c2f5d3 100644 --- a/drivers/acpi/ec.c +++ b/drivers/acpi/ec.c @@ -982,7 +982,7 @@ int __init acpi_ec_ecdt_probe(void) saved_ec = kmalloc(sizeof(struct acpi_ec), GFP_KERNEL); if (!saved_ec) return -ENOMEM; - memcpy(&saved_ec, boot_ec, sizeof(saved_ec)); + memcpy(saved_ec, boot_ec, sizeof(*saved_ec)); /* fall through */ } /* This workaround is needed only on some broken machines, diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index adec3d1..5479b9f 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -255,12 +255,12 @@ static int acpi_platform_notify(struct device *dev) } type = acpi_get_bus_type(dev->bus); if (!type) { - DBG("No ACPI bus support for %s\n", dev->bus_id); + DBG("No ACPI bus support for %s\n", dev_name(dev)); ret = -EINVAL; goto end; } if ((ret = type->find_device(dev, &handle)) != 0) - DBG("Can't get handler for %s\n", dev->bus_id); + DBG("Can't get handler for %s\n", dev_name(dev)); end: if (!ret) acpi_bind_one(dev, handle); @@ -271,10 +271,10 @@ static int acpi_platform_notify(struct device *dev) acpi_get_name(dev->archdata.acpi_handle, ACPI_FULL_PATHNAME, &buffer); - DBG("Device %s -> %s\n", dev->bus_id, (char *)buffer.pointer); + DBG("Device %s -> %s\n", dev_name(dev), (char *)buffer.pointer); kfree(buffer.pointer); } else - DBG("Device %s -> No ACPI support\n", dev->bus_id); + DBG("Device %s -> No ACPI support\n", dev_name(dev)); #endif return ret; diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c index 6729a49..b3193ec 100644 --- a/drivers/acpi/osl.c +++ b/drivers/acpi/osl.c @@ -228,10 +228,10 @@ void acpi_os_vprintf(const char *fmt, va_list args) if (acpi_in_debugger) { kdb_printf("%s", buffer); } else { - printk("%s", buffer); + printk(KERN_CONT "%s", buffer); } #else - printk("%s", buffer); + printk(KERN_CONT "%s", buffer); #endif } @@ -1317,6 +1317,54 @@ acpi_os_validate_interface (char *interface) return AE_SUPPORT; } +#ifdef CONFIG_X86 + +struct aml_port_desc { + uint start; + uint end; + char* name; + char warned; +}; + +static struct aml_port_desc aml_invalid_port_list[] = { + {0x20, 0x21, "PIC0", 0}, + {0xA0, 0xA1, "PIC1", 0}, + {0x4D0, 0x4D1, "ELCR", 0} +}; + +/* + * valid_aml_io_address() + * + * if valid, return true + * else invalid, warn once, return false + */ +static bool valid_aml_io_address(uint address, uint length) +{ + int i; + int entries = sizeof(aml_invalid_port_list) / sizeof(struct aml_port_desc); + + for (i = 0; i < entries; ++i) { + if ((address >= aml_invalid_port_list[i].start && + address <= aml_invalid_port_list[i].end) || + (address + length >= aml_invalid_port_list[i].start && + address + length <= aml_invalid_port_list[i].end)) + { + if (!aml_invalid_port_list[i].warned) + { + printk(KERN_ERR "ACPI: Denied BIOS AML access" + " to invalid port 0x%x+0x%x (%s)\n", + address, length, + aml_invalid_port_list[i].name); + aml_invalid_port_list[i].warned = 1; + } + return false; /* invalid */ + } + } + return true; /* valid */ +} +#else +static inline bool valid_aml_io_address(uint address, uint length) { return true; } +#endif /****************************************************************************** * * FUNCTION: acpi_os_validate_address @@ -1346,6 +1394,8 @@ acpi_os_validate_address ( switch (space_id) { case ACPI_ADR_SPACE_SYSTEM_IO: + if (!valid_aml_io_address(address, length)) + return AE_AML_ILLEGAL_ADDRESS; case ACPI_ADR_SPACE_SYSTEM_MEMORY: /* Only interference checks against SystemIO and SytemMemory are needed */ diff --git a/drivers/acpi/pci_link.c b/drivers/acpi/pci_link.c index 1c6e73c..6c772ca 100644 --- a/drivers/acpi/pci_link.c +++ b/drivers/acpi/pci_link.c @@ -593,7 +593,7 @@ static int acpi_pci_link_allocate(struct acpi_pci_link *link) return -ENODEV; } else { acpi_irq_penalty[link->irq.active] += PIRQ_PENALTY_PCI_USING; - printk(PREFIX "%s [%s] enabled at IRQ %d\n", + printk(KERN_WARNING PREFIX "%s [%s] enabled at IRQ %d\n", acpi_device_name(link->device), acpi_device_bid(link->device), link->irq.active); } diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 7acb23f..259f6e8 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -66,43 +66,17 @@ ACPI_MODULE_NAME("processor_idle"); #define ACPI_PROCESSOR_FILE_POWER "power" #define US_TO_PM_TIMER_TICKS(t) ((t * (PM_TIMER_FREQUENCY/1000)) / 1000) #define PM_TIMER_TICK_NS (1000000000ULL/PM_TIMER_FREQUENCY) -#ifndef CONFIG_CPU_IDLE -#define C2_OVERHEAD 4 /* 1us (3.579 ticks per us) */ -#define C3_OVERHEAD 4 /* 1us (3.579 ticks per us) */ -static void (*pm_idle_save) (void) __read_mostly; -#else #define C2_OVERHEAD 1 /* 1us */ #define C3_OVERHEAD 1 /* 1us */ -#endif #define PM_TIMER_TICKS_TO_US(p) (((p) * 1000)/(PM_TIMER_FREQUENCY/1000)) static unsigned int max_cstate __read_mostly = ACPI_PROCESSOR_MAX_POWER; -#ifdef CONFIG_CPU_IDLE module_param(max_cstate, uint, 0000); -#else -module_param(max_cstate, uint, 0644); -#endif static unsigned int nocst __read_mostly; module_param(nocst, uint, 0000); -#ifndef CONFIG_CPU_IDLE -/* - * bm_history -- bit-mask with a bit per jiffy of bus-master activity - * 1000 HZ: 0xFFFFFFFF: 32 jiffies = 32ms - * 800 HZ: 0xFFFFFFFF: 32 jiffies = 40ms - * 100 HZ: 0x0000000F: 4 jiffies = 40ms - * reduce history for more aggressive entry into C3 - */ -static unsigned int bm_history __read_mostly = - (HZ >= 800 ? 0xFFFFFFFF : ((1U << (HZ / 25)) - 1)); -module_param(bm_history, uint, 0644); - -static int acpi_processor_set_power_policy(struct acpi_processor *pr); - -#else /* CONFIG_CPU_IDLE */ static unsigned int latency_factor __read_mostly = 2; module_param(latency_factor, uint, 0644); -#endif /* * IBM ThinkPad R40e crashes mysteriously when going into C2 or C3. @@ -224,75 +198,6 @@ static void acpi_safe_halt(void) current_thread_info()->status |= TS_POLLING; } -#ifndef CONFIG_CPU_IDLE - -static void -acpi_processor_power_activate(struct acpi_processor *pr, - struct acpi_processor_cx *new) -{ - struct acpi_processor_cx *old; - - if (!pr || !new) - return; - - old = pr->power.state; - - if (old) - old->promotion.count = 0; - new->demotion.count = 0; - - /* Cleanup from old state. */ - if (old) { - switch (old->type) { - case ACPI_STATE_C3: - /* Disable bus master reload */ - if (new->type != ACPI_STATE_C3 && pr->flags.bm_check) - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0); - break; - } - } - - /* Prepare to use new state. */ - switch (new->type) { - case ACPI_STATE_C3: - /* Enable bus master reload */ - if (old->type != ACPI_STATE_C3 && pr->flags.bm_check) - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1); - break; - } - - pr->power.state = new; - - return; -} - -static atomic_t c3_cpu_count; - -/* Common C-state entry for C2, C3, .. */ -static void acpi_cstate_enter(struct acpi_processor_cx *cstate) -{ - u64 perf_flags; - - /* Don't trace irqs off for idle */ - stop_critical_timings(); - perf_flags = hw_perf_save_disable(); - if (cstate->entry_method == ACPI_CSTATE_FFH) { - /* Call into architectural FFH based C-state */ - acpi_processor_ffh_cstate_enter(cstate); - } else { - int unused; - /* IO port based C-state */ - inb(cstate->address); - /* Dummy wait op - must do something useless after P_LVL2 read - because chipsets cannot guarantee that STPCLK# signal - gets asserted in time to freeze execution properly. */ - unused = inl(acpi_gbl_FADT.xpm_timer_block.address); - } - hw_perf_restore(perf_flags); - start_critical_timings(); -} -#endif /* !CONFIG_CPU_IDLE */ - #ifdef ARCH_APICTIMER_STOPS_ON_C3 /* @@ -394,421 +299,6 @@ static int tsc_halts_in_c(int state) } #endif -#ifndef CONFIG_CPU_IDLE -static void acpi_processor_idle(void) -{ - struct acpi_processor *pr = NULL; - struct acpi_processor_cx *cx = NULL; - struct acpi_processor_cx *next_state = NULL; - int sleep_ticks = 0; - u32 t1, t2 = 0; - - /* - * Interrupts must be disabled during bus mastering calculations and - * for C2/C3 transitions. - */ - local_irq_disable(); - - pr = __get_cpu_var(processors); - if (!pr) { - local_irq_enable(); - return; - } - - /* - * Check whether we truly need to go idle, or should - * reschedule: - */ - if (unlikely(need_resched())) { - local_irq_enable(); - return; - } - - cx = pr->power.state; - if (!cx || acpi_idle_suspend) { - if (pm_idle_save) { - pm_idle_save(); /* enables IRQs */ - } else { - acpi_safe_halt(); - local_irq_enable(); - } - - return; - } - - /* - * Check BM Activity - * ----------------- - * Check for bus mastering activity (if required), record, and check - * for demotion. - */ - if (pr->flags.bm_check) { - u32 bm_status = 0; - unsigned long diff = jiffies - pr->power.bm_check_timestamp; - - if (diff > 31) - diff = 31; - - pr->power.bm_activity <<= diff; - - acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status); - if (bm_status) { - pr->power.bm_activity |= 0x1; - acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1); - } - /* - * PIIX4 Erratum #18: Note that BM_STS doesn't always reflect - * the true state of bus mastering activity; forcing us to - * manually check the BMIDEA bit of each IDE channel. - */ - else if (errata.piix4.bmisx) { - if ((inb_p(errata.piix4.bmisx + 0x02) & 0x01) - || (inb_p(errata.piix4.bmisx + 0x0A) & 0x01)) - pr->power.bm_activity |= 0x1; - } - - pr->power.bm_check_timestamp = jiffies; - - /* - * If bus mastering is or was active this jiffy, demote - * to avoid a faulty transition. Note that the processor - * won't enter a low-power state during this call (to this - * function) but should upon the next. - * - * TBD: A better policy might be to fallback to the demotion - * state (use it for this quantum only) istead of - * demoting -- and rely on duration as our sole demotion - * qualification. This may, however, introduce DMA - * issues (e.g. floppy DMA transfer overrun/underrun). - */ - if ((pr->power.bm_activity & 0x1) && - cx->demotion.threshold.bm) { - local_irq_enable(); - next_state = cx->demotion.state; - goto end; - } - } - -#ifdef CONFIG_HOTPLUG_CPU - /* - * Check for P_LVL2_UP flag before entering C2 and above on - * an SMP system. We do it here instead of doing it at _CST/P_LVL - * detection phase, to work cleanly with logical CPU hotplug. - */ - if ((cx->type != ACPI_STATE_C1) && (num_online_cpus() > 1) && - !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) - cx = &pr->power.states[ACPI_STATE_C1]; -#endif - - /* - * Sleep: - * ------ - * Invoke the current Cx state to put the processor to sleep. - */ - if (cx->type == ACPI_STATE_C2 || cx->type == ACPI_STATE_C3) { - current_thread_info()->status &= ~TS_POLLING; - /* - * TS_POLLING-cleared state must be visible before we - * test NEED_RESCHED: - */ - smp_mb(); - if (need_resched()) { - current_thread_info()->status |= TS_POLLING; - local_irq_enable(); - return; - } - } - - switch (cx->type) { - - case ACPI_STATE_C1: - /* - * Invoke C1. - * Use the appropriate idle routine, the one that would - * be used without acpi C-states. - */ - if (pm_idle_save) { - pm_idle_save(); /* enables IRQs */ - } else { - acpi_safe_halt(); - local_irq_enable(); - } - - /* - * TBD: Can't get time duration while in C1, as resumes - * go to an ISR rather than here. Need to instrument - * base interrupt handler. - * - * Note: the TSC better not stop in C1, sched_clock() will - * skew otherwise. - */ - sleep_ticks = 0xFFFFFFFF; - - break; - - case ACPI_STATE_C2: - /* Get start time (ticks) */ - t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); - /* Tell the scheduler that we are going deep-idle: */ - sched_clock_idle_sleep_event(); - /* Invoke C2 */ - acpi_state_timer_broadcast(pr, cx, 1); - acpi_cstate_enter(cx); - /* Get end time (ticks) */ - t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); - -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) - /* TSC halts in C2, so notify users */ - if (tsc_halts_in_c(ACPI_STATE_C2)) - mark_tsc_unstable("possible TSC halt in C2"); -#endif - /* Compute time (ticks) that we were actually asleep */ - sleep_ticks = ticks_elapsed(t1, t2); - - /* Tell the scheduler how much we idled: */ - sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS); - - /* Re-enable interrupts */ - local_irq_enable(); - /* Do not account our idle-switching overhead: */ - sleep_ticks -= cx->latency_ticks + C2_OVERHEAD; - - current_thread_info()->status |= TS_POLLING; - acpi_state_timer_broadcast(pr, cx, 0); - break; - - case ACPI_STATE_C3: - acpi_unlazy_tlb(smp_processor_id()); - /* - * Must be done before busmaster disable as we might - * need to access HPET ! - */ - acpi_state_timer_broadcast(pr, cx, 1); - /* - * disable bus master - * bm_check implies we need ARB_DIS - * !bm_check implies we need cache flush - * bm_control implies whether we can do ARB_DIS - * - * That leaves a case where bm_check is set and bm_control is - * not set. In that case we cannot do much, we enter C3 - * without doing anything. - */ - if (pr->flags.bm_check && pr->flags.bm_control) { - if (atomic_inc_return(&c3_cpu_count) == - num_online_cpus()) { - /* - * All CPUs are trying to go to C3 - * Disable bus master arbitration - */ - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 1); - } - } else if (!pr->flags.bm_check) { - /* SMP with no shared cache... Invalidate cache */ - ACPI_FLUSH_CPU_CACHE(); - } - - /* Get start time (ticks) */ - t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); - /* Invoke C3 */ - /* Tell the scheduler that we are going deep-idle: */ - sched_clock_idle_sleep_event(); - acpi_cstate_enter(cx); - /* Get end time (ticks) */ - t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); - if (pr->flags.bm_check && pr->flags.bm_control) { - /* Enable bus master arbitration */ - atomic_dec(&c3_cpu_count); - acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0); - } - -#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86) - /* TSC halts in C3, so notify users */ - if (tsc_halts_in_c(ACPI_STATE_C3)) - mark_tsc_unstable("TSC halts in C3"); -#endif - /* Compute time (ticks) that we were actually asleep */ - sleep_ticks = ticks_elapsed(t1, t2); - /* Tell the scheduler how much we idled: */ - sched_clock_idle_wakeup_event(sleep_ticks*PM_TIMER_TICK_NS); - - /* Re-enable interrupts */ - local_irq_enable(); - /* Do not account our idle-switching overhead: */ - sleep_ticks -= cx->latency_ticks + C3_OVERHEAD; - - current_thread_info()->status |= TS_POLLING; - acpi_state_timer_broadcast(pr, cx, 0); - break; - - default: - local_irq_enable(); - return; - } - cx->usage++; - if ((cx->type != ACPI_STATE_C1) && (sleep_ticks > 0)) - cx->time += sleep_ticks; - - next_state = pr->power.state; - -#ifdef CONFIG_HOTPLUG_CPU - /* Don't do promotion/demotion */ - if ((cx->type == ACPI_STATE_C1) && (num_online_cpus() > 1) && - !pr->flags.has_cst && !(acpi_gbl_FADT.flags & ACPI_FADT_C2_MP_SUPPORTED)) { - next_state = cx; - goto end; - } -#endif - - /* - * Promotion? - * ---------- - * Track the number of longs (time asleep is greater than threshold) - * and promote when the count threshold is reached. Note that bus - * mastering activity may prevent promotions. - * Do not promote above max_cstate. - */ - if (cx->promotion.state && - ((cx->promotion.state - pr->power.states) <= max_cstate)) { - if (sleep_ticks > cx->promotion.threshold.ticks && - cx->promotion.state->latency <= - pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)) { - cx->promotion.count++; - cx->demotion.count = 0; - if (cx->promotion.count >= - cx->promotion.threshold.count) { - if (pr->flags.bm_check) { - if (! - (pr->power.bm_activity & cx-> - promotion.threshold.bm)) { - next_state = - cx->promotion.state; - goto end; - } - } else { - next_state = cx->promotion.state; - goto end; - } - } - } - } - - /* - * Demotion? - * --------- - * Track the number of shorts (time asleep is less than time threshold) - * and demote when the usage threshold is reached. - */ - if (cx->demotion.state) { - if (sleep_ticks < cx->demotion.threshold.ticks) { - cx->demotion.count++; - cx->promotion.count = 0; - if (cx->demotion.count >= cx->demotion.threshold.count) { - next_state = cx->demotion.state; - goto end; - } - } - } - - end: - /* - * Demote if current state exceeds max_cstate - * or if the latency of the current state is unacceptable - */ - if ((pr->power.state - pr->power.states) > max_cstate || - pr->power.state->latency > - pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)) { - if (cx->demotion.state) - next_state = cx->demotion.state; - } - - /* - * New Cx State? - * ------------- - * If we're going to start using a new Cx state we must clean up - * from the previous and prepare to use the new. - */ - if (next_state != pr->power.state) - acpi_processor_power_activate(pr, next_state); -} - -static int acpi_processor_set_power_policy(struct acpi_processor *pr) -{ - unsigned int i; - unsigned int state_is_set = 0; - struct acpi_processor_cx *lower = NULL; - struct acpi_processor_cx *higher = NULL; - struct acpi_processor_cx *cx; - - - if (!pr) - return -EINVAL; - - /* - * This function sets the default Cx state policy (OS idle handler). - * Our scheme is to promote quickly to C2 but more conservatively - * to C3. We're favoring C2 for its characteristics of low latency - * (quick response), good power savings, and ability to allow bus - * mastering activity. Note that the Cx state policy is completely - * customizable and can be altered dynamically. - */ - - /* startup state */ - for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { - cx = &pr->power.states[i]; - if (!cx->valid) - continue; - - if (!state_is_set) - pr->power.state = cx; - state_is_set++; - break; - } - - if (!state_is_set) - return -ENODEV; - - /* demotion */ - for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) { - cx = &pr->power.states[i]; - if (!cx->valid) - continue; - - if (lower) { - cx->demotion.state = lower; - cx->demotion.threshold.ticks = cx->latency_ticks; - cx->demotion.threshold.count = 1; - if (cx->type == ACPI_STATE_C3) - cx->demotion.threshold.bm = bm_history; - } - - lower = cx; - } - - /* promotion */ - for (i = (ACPI_PROCESSOR_MAX_POWER - 1); i > 0; i--) { - cx = &pr->power.states[i]; - if (!cx->valid) - continue; - - if (higher) { - cx->promotion.state = higher; - cx->promotion.threshold.ticks = cx->latency_ticks; - if (cx->type >= ACPI_STATE_C2) - cx->promotion.threshold.count = 4; - else - cx->promotion.threshold.count = 10; - if (higher->type == ACPI_STATE_C3) - cx->promotion.threshold.bm = bm_history; - } - - higher = cx; - } - - return 0; -} -#endif /* !CONFIG_CPU_IDLE */ - static int acpi_processor_get_power_info_fadt(struct acpi_processor *pr) { @@ -1051,11 +541,7 @@ static void acpi_processor_power_verify_c2(struct acpi_processor_cx *cx) */ cx->valid = 1; -#ifndef CONFIG_CPU_IDLE - cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency); -#else cx->latency_ticks = cx->latency; -#endif return; } @@ -1125,7 +611,6 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, " for C3 to be enabled on SMP systems\n")); return; } - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0); } /* @@ -1136,11 +621,16 @@ static void acpi_processor_power_verify_c3(struct acpi_processor *pr, */ cx->valid = 1; -#ifndef CONFIG_CPU_IDLE - cx->latency_ticks = US_TO_PM_TIMER_TICKS(cx->latency); -#else cx->latency_ticks = cx->latency; -#endif + /* + * On older chipsets, BM_RLD needs to be set + * in order for Bus Master activity to wake the + * system from C3. Newer chipsets handle DMA + * during C3 automatically and BM_RLD is a NOP. + * In either case, the proper way to + * handle BM_RLD is to set it and leave it set. + */ + acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1); return; } @@ -1205,20 +695,6 @@ static int acpi_processor_get_power_info(struct acpi_processor *pr) pr->power.count = acpi_processor_power_verify(pr); -#ifndef CONFIG_CPU_IDLE - /* - * Set Default Policy - * ------------------ - * Now that we know which states are supported, set the default - * policy. Note that this policy can be changed dynamically - * (e.g. encourage deeper sleeps to conserve battery life when - * not on AC). - */ - result = acpi_processor_set_power_policy(pr); - if (result) - return result; -#endif - /* * if one state of type C2 or C3 is available, mark this * CPU as being "idle manageable" @@ -1316,69 +792,6 @@ static const struct file_operations acpi_processor_power_fops = { .release = single_release, }; -#ifndef CONFIG_CPU_IDLE - -int acpi_processor_cst_has_changed(struct acpi_processor *pr) -{ - int result = 0; - - if (boot_option_idle_override) - return 0; - - if (!pr) - return -EINVAL; - - if (nocst) { - return -ENODEV; - } - - if (!pr->flags.power_setup_done) - return -ENODEV; - - /* - * Fall back to the default idle loop, when pm_idle_save had - * been initialized. - */ - if (pm_idle_save) { - pm_idle = pm_idle_save; - /* Relies on interrupts forcing exit from idle. */ - synchronize_sched(); - } - - pr->flags.power = 0; - result = acpi_processor_get_power_info(pr); - if ((pr->flags.power == 1) && (pr->flags.power_setup_done)) - pm_idle = acpi_processor_idle; - - return result; -} - -#ifdef CONFIG_SMP -static void smp_callback(void *v) -{ - /* we already woke the CPU up, nothing more to do */ -} - -/* - * This function gets called when a part of the kernel has a new latency - * requirement. This means we need to get all processors out of their C-state, - * and then recalculate a new suitable C-state. Just do a cross-cpu IPI; that - * wakes them all right up. - */ -static int acpi_processor_latency_notify(struct notifier_block *b, - unsigned long l, void *v) -{ - smp_call_function(smp_callback, NULL, 1); - return NOTIFY_OK; -} - -static struct notifier_block acpi_processor_latency_notifier = { - .notifier_call = acpi_processor_latency_notify, -}; - -#endif - -#else /* CONFIG_CPU_IDLE */ /** * acpi_idle_bm_check - checks if bus master activity was detected @@ -1387,7 +800,7 @@ static int acpi_idle_bm_check(void) { u32 bm_status = 0; - acpi_get_register(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status); + acpi_get_register_unlocked(ACPI_BITREG_BUS_MASTER_STATUS, &bm_status); if (bm_status) acpi_set_register(ACPI_BITREG_BUS_MASTER_STATUS, 1); /* @@ -1404,25 +817,6 @@ static int acpi_idle_bm_check(void) } /** - * acpi_idle_update_bm_rld - updates the BM_RLD bit depending on target state - * @pr: the processor - * @target: the new target state - */ -static inline void acpi_idle_update_bm_rld(struct acpi_processor *pr, - struct acpi_processor_cx *target) -{ - if (pr->flags.bm_rld_set && target->type != ACPI_STATE_C3) { - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 0); - pr->flags.bm_rld_set = 0; - } - - if (!pr->flags.bm_rld_set && target->type == ACPI_STATE_C3) { - acpi_set_register(ACPI_BITREG_BUS_MASTER_RLD, 1); - pr->flags.bm_rld_set = 1; - } -} - -/** * acpi_idle_do_entry - a helper function that does C2 and C3 type entry * @cx: cstate data * @@ -1430,10 +824,13 @@ static inline void acpi_idle_update_bm_rld(struct acpi_processor *pr, */ static inline void acpi_idle_do_entry(struct acpi_processor_cx *cx) { + u64 perf_flags; + u64 pctrl; /* Don't trace irqs off for idle */ stop_critical_timings(); + perf_flags = hw_perf_save_disable(); pctrl = hw_perf_save_disable(); if (cx->entry_method == ACPI_CSTATE_FFH) { /* Call into architectural FFH based C-state */ @@ -1449,6 +846,7 @@ static inline void acpi_idle_do_entry(struct acpi_processor_cx *cx) gets asserted in time to freeze execution properly. */ unused = inl(acpi_gbl_FADT.xpm_timer_block.address); } + hw_perf_restore(perf_flags); hw_perf_restore(pctrl); start_critical_timings(); } @@ -1481,9 +879,6 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev, return 0; } - if (pr->flags.bm_check) - acpi_idle_update_bm_rld(pr, cx); - t1 = inl(acpi_gbl_FADT.xpm_timer_block.address); acpi_idle_do_entry(cx); t2 = inl(acpi_gbl_FADT.xpm_timer_block.address); @@ -1535,9 +930,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev, */ acpi_state_timer_broadcast(pr, cx, 1); - if (pr->flags.bm_check) - acpi_idle_update_bm_rld(pr, cx); - if (cx->type == ACPI_STATE_C3) ACPI_FLUSH_CPU_CACHE(); @@ -1629,8 +1021,6 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev, */ acpi_state_timer_broadcast(pr, cx, 1); - acpi_idle_update_bm_rld(pr, cx); - /* * disable bus master * bm_check implies we need ARB_DIS @@ -1803,8 +1193,6 @@ int acpi_processor_cst_has_changed(struct acpi_processor *pr) return ret; } -#endif /* CONFIG_CPU_IDLE */ - int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, struct acpi_device *device) { @@ -1833,10 +1221,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, "ACPI: processor limited to max C-state %d\n", max_cstate); first_run++; -#if !defined(CONFIG_CPU_IDLE) && defined(CONFIG_SMP) - pm_qos_add_notifier(PM_QOS_CPU_DMA_LATENCY, - &acpi_processor_latency_notifier); -#endif } if (!pr) @@ -1860,11 +1244,9 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, * platforms that only support C1. */ if (pr->flags.power) { -#ifdef CONFIG_CPU_IDLE acpi_processor_setup_cpuidle(pr); if (cpuidle_register_device(&pr->power.dev)) return -EIO; -#endif printk(KERN_INFO PREFIX "CPU%d (power states:", pr->id); for (i = 1; i <= pr->power.count; i++) @@ -1872,13 +1254,6 @@ int __cpuinit acpi_processor_power_init(struct acpi_processor *pr, printk(" C%d[C%d]", i, pr->power.states[i].type); printk(")\n"); - -#ifndef CONFIG_CPU_IDLE - if (pr->id == 0) { - pm_idle_save = pm_idle; - pm_idle = acpi_processor_idle; - } -#endif } /* 'power' [R] */ @@ -1897,34 +1272,12 @@ int acpi_processor_power_exit(struct acpi_processor *pr, if (boot_option_idle_override) return 0; -#ifdef CONFIG_CPU_IDLE cpuidle_unregister_device(&pr->power.dev); -#endif pr->flags.power_setup_done = 0; if (acpi_device_dir(device)) remove_proc_entry(ACPI_PROCESSOR_FILE_POWER, acpi_device_dir(device)); -#ifndef CONFIG_CPU_IDLE - - /* Unregister the idle handler when processor #0 is removed. */ - if (pr->id == 0) { - if (pm_idle_save) - pm_idle = pm_idle_save; - - /* - * We are about to unload the current idle thread pm callback - * (pm_idle), Wait for all processors to update cached/local - * copies of pm_idle before proceeding. - */ - cpu_idle_wait(); -#ifdef CONFIG_SMP - pm_qos_remove_notifier(PM_QOS_CPU_DMA_LATENCY, - &acpi_processor_latency_notifier); -#endif - } -#endif - return 0; } diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index 846e227..9cc769b 100644 --- a/drivers/acpi/processor_perflib.c +++ b/drivers/acpi/processor_perflib.c @@ -31,14 +31,6 @@ #include <linux/init.h> #include <linux/cpufreq.h> -#ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF -#include <linux/proc_fs.h> -#include <linux/seq_file.h> -#include <linux/mutex.h> - -#include <asm/uaccess.h> -#endif - #ifdef CONFIG_X86 #include <asm/cpufeature.h> #endif @@ -434,96 +426,6 @@ int acpi_processor_notify_smm(struct module *calling_module) EXPORT_SYMBOL(acpi_processor_notify_smm); -#ifdef CONFIG_X86_ACPI_CPUFREQ_PROC_INTF -/* /proc/acpi/processor/../performance interface (DEPRECATED) */ - -static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file); -static struct file_operations acpi_processor_perf_fops = { - .owner = THIS_MODULE, - .open = acpi_processor_perf_open_fs, - .read = seq_read, - .llseek = seq_lseek, - .release = single_release, -}; - -static int acpi_processor_perf_seq_show(struct seq_file *seq, void *offset) -{ - struct acpi_processor *pr = seq->private; - int i; - - - if (!pr) - goto end; - - if (!pr->performance) { - seq_puts(seq, "<not supported>\n"); - goto end; - } - - seq_printf(seq, "state count: %d\n" - "active state: P%d\n", - pr->performance->state_count, pr->performance->state); - - seq_puts(seq, "states:\n"); - for (i = 0; i < pr->performance->state_count; i++) - seq_printf(seq, - " %cP%d: %d MHz, %d mW, %d uS\n", - (i == pr->performance->state ? '*' : ' '), i, - (u32) pr->performance->states[i].core_frequency, - (u32) pr->performance->states[i].power, - (u32) pr->performance->states[i].transition_latency); - - end: - return 0; -} - -static int acpi_processor_perf_open_fs(struct inode *inode, struct file *file) -{ - return single_open(file, acpi_processor_perf_seq_show, - PDE(inode)->data); -} - -static void acpi_cpufreq_add_file(struct acpi_processor *pr) -{ - struct acpi_device *device = NULL; - - - if (acpi_bus_get_device(pr->handle, &device)) - return; - - /* add file 'performance' [R/W] */ - proc_create_data(ACPI_PROCESSOR_FILE_PERFORMANCE, S_IFREG | S_IRUGO, - acpi_device_dir(device), - &acpi_processor_perf_fops, acpi_driver_data(device)); - return; -} - -static void acpi_cpufreq_remove_file(struct acpi_processor *pr) -{ - struct acpi_device *device = NULL; - - - if (acpi_bus_get_device(pr->handle, &device)) - return; - - /* remove file 'performance' */ - remove_proc_entry(ACPI_PROCESSOR_FILE_PERFORMANCE, - acpi_device_dir(device)); - - return; -} - -#else -static void acpi_cpufreq_add_file(struct acpi_processor *pr) -{ - return; -} -static void acpi_cpufreq_remove_file(struct acpi_processor *pr) -{ - return; -} -#endif /* CONFIG_X86_ACPI_CPUFREQ_PROC_INTF */ - static int acpi_processor_get_psd(struct acpi_processor *pr) { int result = 0; @@ -747,14 +649,12 @@ err_ret: } EXPORT_SYMBOL(acpi_processor_preregister_performance); - int acpi_processor_register_performance(struct acpi_processor_performance *performance, unsigned int cpu) { struct acpi_processor *pr; - if (!(acpi_processor_ppc_status & PPC_REGISTERED)) return -EINVAL; @@ -781,8 +681,6 @@ acpi_processor_register_performance(struct acpi_processor_performance return -EIO; } - acpi_cpufreq_add_file(pr); - mutex_unlock(&performance_mutex); return 0; } @@ -795,7 +693,6 @@ acpi_processor_unregister_performance(struct acpi_processor_performance { struct acpi_processor *pr; - mutex_lock(&performance_mutex); pr = per_cpu(processors, cpu); @@ -808,8 +705,6 @@ acpi_processor_unregister_performance(struct acpi_processor_performance kfree(pr->performance->states); pr->performance = NULL; - acpi_cpufreq_remove_file(pr); - mutex_unlock(&performance_mutex); return; diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c index 7e3c609..5192666 100644 --- a/drivers/acpi/sleep.c +++ b/drivers/acpi/sleep.c @@ -90,31 +90,6 @@ void __init acpi_old_suspend_ordering(void) old_suspend_ordering = true; } -/* - * According to the ACPI specification the BIOS should make sure that ACPI is - * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states. Still, - * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI - * on such systems during resume. Unfortunately that doesn't help in - * particularly pathological cases in which SCI_EN has to be set directly on - * resume, although the specification states very clearly that this flag is - * owned by the hardware. The set_sci_en_on_resume variable will be set in such - * cases. - */ -static bool set_sci_en_on_resume; -/* - * The ACPI specification wants us to save NVS memory regions during hibernation - * and to restore them during the subsequent resume. However, it is not certain - * if this mechanism is going to work on all machines, so we allow the user to - * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line - * option. - */ -static bool s4_no_nvs; - -void __init acpi_s4_no_nvs(void) -{ - s4_no_nvs = true; -} - /** * acpi_pm_disable_gpes - Disable the GPEs. */ @@ -193,6 +168,18 @@ static void acpi_pm_end(void) #endif /* CONFIG_ACPI_SLEEP */ #ifdef CONFIG_SUSPEND +/* + * According to the ACPI specification the BIOS should make sure that ACPI is + * enabled and SCI_EN bit is set on wake-up from S1 - S3 sleep states. Still, + * some BIOSes don't do that and therefore we use acpi_enable() to enable ACPI + * on such systems during resume. Unfortunately that doesn't help in + * particularly pathological cases in which SCI_EN has to be set directly on + * resume, although the specification states very clearly that this flag is + * owned by the hardware. The set_sci_en_on_resume variable will be set in such + * cases. + */ +static bool set_sci_en_on_resume; + extern void do_suspend_lowlevel(void); static u32 acpi_suspend_states[] = { @@ -396,6 +383,20 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = { #endif /* CONFIG_SUSPEND */ #ifdef CONFIG_HIBERNATION +/* + * The ACPI specification wants us to save NVS memory regions during hibernation + * and to restore them during the subsequent resume. However, it is not certain + * if this mechanism is going to work on all machines, so we allow the user to + * disable this mechanism using the 'acpi_sleep=s4_nonvs' kernel command line + * option. + */ +static bool s4_no_nvs; + +void __init acpi_s4_no_nvs(void) +{ + s4_no_nvs = true; +} + static unsigned long s4_hardware_signature; static struct acpi_table_facs *facs; static bool nosigcheck; @@ -679,7 +680,7 @@ static void acpi_power_off_prepare(void) static void acpi_power_off(void) { /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */ - printk("%s called\n", __func__); + printk(KERN_DEBUG "%s called\n", __func__); local_irq_disable(); acpi_enable_wakeup_device(ACPI_STATE_S5); acpi_enter_sleep_state(ACPI_STATE_S5); diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c index 775c97a..a885295 100644 --- a/drivers/acpi/tables.c +++ b/drivers/acpi/tables.c @@ -293,7 +293,12 @@ static void __init check_multiple_madt(void) int __init acpi_table_init(void) { - acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0); + acpi_status status; + + status = acpi_initialize_tables(initial_tables, ACPI_MAX_TABLES, 0); + if (ACPI_FAILURE(status)) + return 1; + check_multiple_madt(); return 0; } diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c index f261737..bb5ed05 100644 --- a/drivers/acpi/video.c +++ b/drivers/acpi/video.c @@ -1020,7 +1020,7 @@ acpi_video_device_brightness_seq_show(struct seq_file *seq, void *offset) } seq_printf(seq, "levels: "); - for (i = 0; i < dev->brightness->count; i++) + for (i = 2; i < dev->brightness->count; i++) seq_printf(seq, " %d", dev->brightness->levels[i]); seq_printf(seq, "\ncurrent: %d\n", dev->brightness->curr); @@ -1059,7 +1059,7 @@ acpi_video_device_write_brightness(struct file *file, return -EFAULT; /* validate through the list of available levels */ - for (i = 0; i < dev->brightness->count; i++) + for (i = 2; i < dev->brightness->count; i++) if (level == dev->brightness->levels[i]) { if (ACPI_SUCCESS (acpi_video_device_lcd_set_level(dev, level))) @@ -1260,7 +1260,7 @@ static int acpi_video_bus_POST_info_seq_show(struct seq_file *seq, void *offset) printk(KERN_WARNING PREFIX "This indicates a BIOS bug. Please contact the manufacturer.\n"); } - printk("%llx\n", options); + printk(KERN_WARNING "%llx\n", options); seq_printf(seq, "can POST: <integrated video>"); if (options & 2) seq_printf(seq, " <PCI video>"); @@ -1712,7 +1712,7 @@ acpi_video_get_next_level(struct acpi_video_device *device, max = max_below = 0; min = min_above = 255; /* Find closest level to level_current */ - for (i = 0; i < device->brightness->count; i++) { + for (i = 2; i < device->brightness->count; i++) { l = device->brightness->levels[i]; if (abs(l - level_current) < abs(delta)) { delta = l - level_current; @@ -1722,7 +1722,7 @@ acpi_video_get_next_level(struct acpi_video_device *device, } /* Ajust level_current to closest available level */ level_current += delta; - for (i = 0; i < device->brightness->count; i++) { + for (i = 2; i < device->brightness->count; i++) { l = device->brightness->levels[i]; if (l < min) min = l; @@ -2006,6 +2006,12 @@ static int acpi_video_bus_add(struct acpi_device *device) device->pnp.bus_id[3] = '0' + instance; instance ++; } + /* a hack to fix the duplicate name "VGA" problem on Pa 3553 */ + if (!strcmp(device->pnp.bus_id, "VGA")) { + if (instance) + device->pnp.bus_id[3] = '0' + instance; + instance++; + } video->device = device; strcpy(acpi_device_name(device), ACPI_VIDEO_BUS_NAME); diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig index 503a908..0bcf264 100644 --- a/drivers/ata/Kconfig +++ b/drivers/ata/Kconfig @@ -112,11 +112,11 @@ config ATA_PIIX If unsure, say N. config SATA_MV - tristate "Marvell SATA support (HIGHLY EXPERIMENTAL)" - depends on EXPERIMENTAL + tristate "Marvell SATA support" help This option enables support for the Marvell Serial ATA family. - Currently supports 88SX[56]0[48][01] chips. + Currently supports 88SX[56]0[48][01] PCI(-X) chips, + as well as the newer [67]042 PCI-X/PCIe and SOC devices. If unsure, say N. diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 9603967..a603bbf 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -61,9 +61,14 @@ #define EM_MSG_LED_VALUE_ON 0x00010000 static int ahci_skip_host_reset; +static int ahci_ignore_sss; + module_param_named(skip_host_reset, ahci_skip_host_reset, int, 0444); MODULE_PARM_DESC(skip_host_reset, "skip global host reset (0=don't skip, 1=skip)"); +module_param_named(ignore_sss, ahci_ignore_sss, int, 0444); +MODULE_PARM_DESC(ignore_sss, "Ignore staggered spinup flag (0=don't ignore, 1=ignore)"); + static int ahci_enable_alpm(struct ata_port *ap, enum link_pm policy); static void ahci_disable_alpm(struct ata_port *ap); @@ -2548,6 +2553,32 @@ static void ahci_p5wdh_workaround(struct ata_host *host) } } +static bool ahci_broken_system_poweroff(struct pci_dev *pdev) +{ + static const struct dmi_system_id broken_systems[] = { + { + .ident = "HP Compaq nx6310", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6310"), + }, + /* PCI slot number of the controller */ + .driver_data = (void *)0x1FUL, + }, + + { } /* terminate list */ + }; + const struct dmi_system_id *dmi = dmi_first_match(broken_systems); + + if (dmi) { + unsigned long slot = (unsigned long)dmi->driver_data; + /* apply the quirk only to on-board controllers */ + return slot == PCI_SLOT(pdev->devfn); + } + + return false; +} + static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; @@ -2647,6 +2678,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) } } + if (ahci_broken_system_poweroff(pdev)) { + pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN; + dev_info(&pdev->dev, + "quirky BIOS, skipping spindown on poweroff\n"); + } + /* CAP.NP sometimes indicate the index of the last enabled * port, at other times, that of the last possible port, so * determining the maximum port number requires looking at @@ -2660,8 +2697,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) host->iomap = pcim_iomap_table(pdev); host->private_data = hpriv; - if (!(hpriv->cap & HOST_CAP_SSS)) + if (!(hpriv->cap & HOST_CAP_SSS) || ahci_ignore_sss) host->flags |= ATA_HOST_PARALLEL_SCAN; + else + printk(KERN_INFO "ahci: SSS flag set, parallel bus scan disabled\n"); if (pi.flags & ATA_FLAG_EM) ahci_reset_em(host); diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index 887d8f4..54961c0 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -1387,6 +1387,32 @@ static void piix_iocfg_bit18_quirk(struct ata_host *host) } } +static bool piix_broken_system_poweroff(struct pci_dev *pdev) +{ + static const struct dmi_system_id broken_systems[] = { + { + .ident = "HP Compaq 2510p", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq 2510p"), + }, + /* PCI slot number of the controller */ + .driver_data = (void *)0x1FUL, + }, + + { } /* terminate list */ + }; + const struct dmi_system_id *dmi = dmi_first_match(broken_systems); + + if (dmi) { + unsigned long slot = (unsigned long)dmi->driver_data; + /* apply the quirk only to on-board controllers */ + return slot == PCI_SLOT(pdev->devfn); + } + + return false; +} + /** * piix_init_one - Register PIIX ATA PCI device with kernel services * @pdev: PCI device to register @@ -1422,6 +1448,14 @@ static int __devinit piix_init_one(struct pci_dev *pdev, if (!in_module_init) return -ENODEV; + if (piix_broken_system_poweroff(pdev)) { + piix_port_info[ent->driver_data].flags |= + ATA_FLAG_NO_POWEROFF_SPINDOWN | + ATA_FLAG_NO_HIBERNATE_SPINDOWN; + dev_info(&pdev->dev, "quirky BIOS, skipping spindown " + "on poweroff and hibernation\n"); + } + port_info[0] = piix_port_info[ent->driver_data]; port_info[1] = piix_port_info[ent->driver_data]; diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 88c2428..9fbf059 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -164,6 +164,11 @@ MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_VERSION); +static bool ata_sstatus_online(u32 sstatus) +{ + return (sstatus & 0xf) == 0x3; +} + /** * ata_link_next - link iteration helper * @link: the previous link, NULL to start @@ -1015,18 +1020,6 @@ static const char *sata_spd_string(unsigned int spd) return spd_str[spd - 1]; } -void ata_dev_disable(struct ata_device *dev) -{ - if (ata_dev_enabled(dev)) { - if (ata_msg_drv(dev->link->ap)) - ata_dev_printk(dev, KERN_WARNING, "disabled\n"); - ata_acpi_on_disable(dev); - ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO0 | - ATA_DNXFER_QUIET); - dev->class++; - } -} - static int ata_dev_set_dipm(struct ata_device *dev, enum link_pm policy) { struct ata_link *link = dev->link; @@ -2239,6 +2232,40 @@ retry: return rc; } +static int ata_do_link_spd_horkage(struct ata_device *dev) +{ + struct ata_link *plink = ata_dev_phys_link(dev); + u32 target, target_limit; + + if (!sata_scr_valid(plink)) + return 0; + + if (dev->horkage & ATA_HORKAGE_1_5_GBPS) + target = 1; + else + return 0; + + target_limit = (1 << target) - 1; + + /* if already on stricter limit, no need to push further */ + if (plink->sata_spd_limit <= target_limit) + return 0; + + plink->sata_spd_limit = target_limit; + + /* Request another EH round by returning -EAGAIN if link is + * going faster than the target speed. Forward progress is + * guaranteed by setting sata_spd_limit to target_limit above. + */ + if (plink->sata_spd > target) { + ata_dev_printk(dev, KERN_INFO, + "applying link speed limit horkage to %s\n", + sata_spd_string(target)); + return -EAGAIN; + } + return 0; +} + static inline u8 ata_dev_knobble(struct ata_device *dev) { struct ata_port *ap = dev->link->ap; @@ -2329,6 +2356,10 @@ int ata_dev_configure(struct ata_device *dev) return 0; } + rc = ata_do_link_spd_horkage(dev); + if (rc) + return rc; + /* let ACPI work its magic */ rc = ata_acpi_on_devcfg(dev); if (rc) @@ -2784,7 +2815,7 @@ int ata_bus_probe(struct ata_port *ap) /* This is the last chance, better to slow * down than lose it. */ - sata_down_spd_limit(&ap->link); + sata_down_spd_limit(&ap->link, 0); ata_down_xfermask_limit(dev, ATA_DNXFER_PIO); } } @@ -2880,21 +2911,27 @@ void ata_port_disable(struct ata_port *ap) /** * sata_down_spd_limit - adjust SATA spd limit downward * @link: Link to adjust SATA spd limit for + * @spd_limit: Additional limit * * Adjust SATA spd limit of @link downward. Note that this * function only adjusts the limit. The change must be applied * using sata_set_spd(). * + * If @spd_limit is non-zero, the speed is limited to equal to or + * lower than @spd_limit if such speed is supported. If + * @spd_limit is slower than any supported speed, only the lowest + * supported speed is allowed. + * * LOCKING: * Inherited from caller. * * RETURNS: * 0 on success, negative errno on failure */ -int sata_down_spd_limit(struct ata_link *link) +int sata_down_spd_limit(struct ata_link *link, u32 spd_limit) { u32 sstatus, spd, mask; - int rc, highbit; + int rc, bit; if (!sata_scr_valid(link)) return -EOPNOTSUPP; @@ -2903,7 +2940,7 @@ int sata_down_spd_limit(struct ata_link *link) * If not, use cached value in link->sata_spd. */ rc = sata_scr_read(link, SCR_STATUS, &sstatus); - if (rc == 0) + if (rc == 0 && ata_sstatus_online(sstatus)) spd = (sstatus >> 4) & 0xf; else spd = link->sata_spd; @@ -2913,8 +2950,8 @@ int sata_down_spd_limit(struct ata_link *link) return -EINVAL; /* unconditionally mask off the highest bit */ - highbit = fls(mask) - 1; - mask &= ~(1 << highbit); + bit = fls(mask) - 1; + mask &= ~(1 << bit); /* Mask off all speeds higher than or equal to the current * one. Force 1.5Gbps if current SPD is not available. @@ -2928,6 +2965,15 @@ int sata_down_spd_limit(struct ata_link *link) if (!mask) return -EINVAL; + if (spd_limit) { + if (mask & ((1 << spd_limit) - 1)) + mask &= (1 << spd_limit) - 1; + else { + bit = ffs(mask) - 1; + mask = 1 << bit; + } + } + link->sata_spd_limit = mask; ata_link_printk(link, KERN_WARNING, "limiting SATA link speed to %s\n", @@ -4215,6 +4261,9 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* Devices that do not need bridging limits applied */ { "MTRON MSP-SATA*", NULL, ATA_HORKAGE_BRIDGE_OK, }, + /* Devices which aren't very happy with higher link speeds */ + { "WD My Book", NULL, ATA_HORKAGE_1_5_GBPS, }, + /* End Marker */ { } }; @@ -4709,8 +4758,7 @@ void swap_buf_le16(u16 *buf, unsigned int buf_words) /** * ata_qc_new - Request an available ATA command, for queueing - * @ap: Port associated with device @dev - * @dev: Device from whom we request an available command structure + * @ap: target port * * LOCKING: * None. @@ -5175,7 +5223,7 @@ bool ata_phys_link_online(struct ata_link *link) u32 sstatus; if (sata_scr_read(link, SCR_STATUS, &sstatus) == 0 && - (sstatus & 0xf) == 0x3) + ata_sstatus_online(sstatus)) return true; return false; } @@ -5199,7 +5247,7 @@ bool ata_phys_link_offline(struct ata_link *link) u32 sstatus; if (sata_scr_read(link, SCR_STATUS, &sstatus) == 0 && - (sstatus & 0xf) != 0x3) + !ata_sstatus_online(sstatus)) return true; return false; } @@ -5412,8 +5460,8 @@ void ata_dev_init(struct ata_device *dev) dev->horkage = 0; spin_unlock_irqrestore(ap->lock, flags); - memset((void *)dev + ATA_DEVICE_CLEAR_OFFSET, 0, - sizeof(*dev) - ATA_DEVICE_CLEAR_OFFSET); + memset((void *)dev + ATA_DEVICE_CLEAR_BEGIN, 0, + ATA_DEVICE_CLEAR_END - ATA_DEVICE_CLEAR_BEGIN); dev->pio_mask = UINT_MAX; dev->mwdma_mask = UINT_MAX; dev->udma_mask = UINT_MAX; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index 8147a83..ce2ef04 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -82,6 +82,10 @@ enum { ATA_EH_FASTDRAIN_INTERVAL = 3000, ATA_EH_UA_TRIES = 5, + + /* probe speed down parameters, see ata_eh_schedule_probe() */ + ATA_EH_PROBE_TRIAL_INTERVAL = 60000, /* 1 min */ + ATA_EH_PROBE_TRIALS = 2, }; /* The following table determines how we sequence resets. Each entry @@ -1176,6 +1180,32 @@ void ata_eh_qc_retry(struct ata_queued_cmd *qc) } /** + * ata_dev_disable - disable ATA device + * @dev: ATA device to disable + * + * Disable @dev. + * + * Locking: + * EH context. + */ +void ata_dev_disable(struct ata_device *dev) +{ + if (!ata_dev_enabled(dev)) + return; + + if (ata_msg_drv(dev->link->ap)) + ata_dev_printk(dev, KERN_WARNING, "disabled\n"); + ata_acpi_on_disable(dev); + ata_down_xfermask_limit(dev, ATA_DNXFER_FORCE_PIO0 | ATA_DNXFER_QUIET); + dev->class++; + + /* From now till the next successful probe, ering is used to + * track probe failures. Clear accumulated device error info. + */ + ata_ering_clear(&dev->ering); +} + +/** * ata_eh_detach_dev - detach ATA device * @dev: ATA device to detach * @@ -1849,7 +1879,7 @@ static unsigned int ata_eh_speed_down(struct ata_device *dev, /* speed down? */ if (verdict & ATA_EH_SPDN_SPEED_DOWN) { /* speed down SATA link speed if possible */ - if (sata_down_spd_limit(link) == 0) { + if (sata_down_spd_limit(link, 0) == 0) { action |= ATA_EH_RESET; goto done; } @@ -2601,11 +2631,11 @@ int ata_eh_reset(struct ata_link *link, int classify, } if (try == max_tries - 1) { - sata_down_spd_limit(link); + sata_down_spd_limit(link, 0); if (slave) - sata_down_spd_limit(slave); + sata_down_spd_limit(slave, 0); } else if (rc == -EPIPE) - sata_down_spd_limit(failed_link); + sata_down_spd_limit(failed_link, 0); if (hardreset) reset = hardreset; @@ -2744,6 +2774,8 @@ static int ata_eh_revalidate_and_attach(struct ata_link *link, readid_flags, dev->id); switch (rc) { case 0: + /* clear error info accumulated during probe */ + ata_ering_clear(&dev->ering); new_mask |= 1 << dev->devno; break; case -ENOENT: @@ -2947,9 +2979,24 @@ static int ata_eh_skip_recovery(struct ata_link *link) return 1; } +static int ata_count_probe_trials_cb(struct ata_ering_entry *ent, void *void_arg) +{ + u64 interval = msecs_to_jiffies(ATA_EH_PROBE_TRIAL_INTERVAL); + u64 now = get_jiffies_64(); + int *trials = void_arg; + + if (ent->timestamp < now - min(now, interval)) + return -1; + + (*trials)++; + return 0; +} + static int ata_eh_schedule_probe(struct ata_device *dev) { struct ata_eh_context *ehc = &dev->link->eh_context; + struct ata_link *link = ata_dev_phys_link(dev); + int trials = 0; if (!(ehc->i.probe_mask & (1 << dev->devno)) || (ehc->did_probe_mask & (1 << dev->devno))) @@ -2962,6 +3009,25 @@ static int ata_eh_schedule_probe(struct ata_device *dev) ehc->saved_xfer_mode[dev->devno] = 0; ehc->saved_ncq_enabled &= ~(1 << dev->devno); + /* Record and count probe trials on the ering. The specific + * error mask used is irrelevant. Because a successful device + * detection clears the ering, this count accumulates only if + * there are consecutive failed probes. + * + * If the count is equal to or higher than ATA_EH_PROBE_TRIALS + * in the last ATA_EH_PROBE_TRIAL_INTERVAL, link speed is + * forced to 1.5Gbps. + * + * This is to work around cases where failed link speed + * negotiation results in device misdetection leading to + * infinite DEVXCHG or PHRDY CHG events. + */ + ata_ering_record(&dev->ering, 0, AC_ERR_OTHER); + ata_ering_map(&dev->ering, ata_count_probe_trials_cb, &trials); + + if (trials > ATA_EH_PROBE_TRIALS) + sata_down_spd_limit(link, 1); + return 1; } @@ -2969,7 +3035,11 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err) { struct ata_eh_context *ehc = &dev->link->eh_context; - ehc->tries[dev->devno]--; + /* -EAGAIN from EH routine indicates retry without prejudice. + * The requester is responsible for ensuring forward progress. + */ + if (err != -EAGAIN) + ehc->tries[dev->devno]--; switch (err) { case -ENODEV: @@ -2979,12 +3049,13 @@ static int ata_eh_handle_dev_fail(struct ata_device *dev, int err) /* give it just one more chance */ ehc->tries[dev->devno] = min(ehc->tries[dev->devno], 1); case -EIO: - if (ehc->tries[dev->devno] == 1 && dev->pio_mode > XFER_PIO_0) { + if (ehc->tries[dev->devno] == 1) { /* This is the last chance, better to slow * down than lose it. */ - sata_down_spd_limit(ata_dev_phys_link(dev)); - ata_down_xfermask_limit(dev, ATA_DNXFER_PIO); + sata_down_spd_limit(ata_dev_phys_link(dev), 0); + if (dev->pio_mode > XFER_PIO_0) + ata_down_xfermask_limit(dev, ATA_DNXFER_PIO); } } diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 98ca07a..619f2c3 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -729,7 +729,7 @@ static int sata_pmp_eh_recover_pmp(struct ata_port *ap, if (tries) { /* consecutive revalidation failures? speed down */ if (reval_failed) - sata_down_spd_limit(link); + sata_down_spd_limit(link, 0); else reval_failed = 1; diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index a1a6e629..b9747fa 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -46,6 +46,7 @@ #include <linux/libata.h> #include <linux/hdreg.h> #include <linux/uaccess.h> +#include <linux/suspend.h> #include "libata.h" @@ -414,6 +415,7 @@ int ata_std_bios_param(struct scsi_device *sdev, struct block_device *bdev, /** * ata_get_identity - Handler for HDIO_GET_IDENTITY ioctl + * @ap: target port * @sdev: SCSI device to get identify data for * @arg: User buffer area for identify data * @@ -1303,6 +1305,17 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) tf->command = ATA_CMD_VERIFY; /* READ VERIFY */ } else { + /* Some odd clown BIOSen issue spindown on power off (ACPI S4 + * or S5) causing some drives to spin up and down again. + */ + if ((qc->ap->flags & ATA_FLAG_NO_POWEROFF_SPINDOWN) && + system_state == SYSTEM_POWER_OFF) + goto skip; + + if ((qc->ap->flags & ATA_FLAG_NO_HIBERNATE_SPINDOWN) && + system_entering_hibernation()) + goto skip; + /* XXX: This is for backward compatibility, will be * removed. Read Documentation/feature-removal-schedule.txt * for more info. @@ -1326,8 +1339,7 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) scmd->scsi_done = qc->scsidone; qc->scsidone = ata_delayed_done; } - scmd->result = SAM_STAT_GOOD; - return 1; + goto skip; } /* Issue ATA STANDBY IMMEDIATE command */ @@ -1343,10 +1355,13 @@ static unsigned int ata_scsi_start_stop_xlat(struct ata_queued_cmd *qc) return 0; -invalid_fld: + invalid_fld: ata_scsi_set_sense(scmd, ILLEGAL_REQUEST, 0x24, 0x0); /* "Invalid field in cbd" */ return 1; + skip: + scmd->result = SAM_STAT_GOOD; + return 1; } diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 5a4aad1..0b299b0 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -1322,7 +1322,7 @@ fsm_start: * condition. Mark hint. */ ata_ehi_push_desc(ehi, "ST-ATA: " - "DRQ=1 with device error, " + "DRQ=0 without device error, " "dev_stat 0x%X", status); qc->err_mask |= AC_ERR_HSM | AC_ERR_NODEV_HINT; @@ -1358,6 +1358,16 @@ fsm_start: qc->err_mask |= AC_ERR_HSM; } + /* There are oddball controllers with + * status register stuck at 0x7f and + * lbal/m/h at zero which makes it + * pass all other presence detection + * mechanisms we have. Set NODEV_HINT + * for it. Kernel bz#7241. + */ + if (status == 0x7f) + qc->err_mask |= AC_ERR_NODEV_HINT; + /* ata_pio_sectors() might change the * state to HSM_ST_LAST. so, the state * is changed after ata_pio_sectors(). diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h index fe2839e..cea8014 100644 --- a/drivers/ata/libata.h +++ b/drivers/ata/libata.h @@ -79,7 +79,6 @@ extern int ata_build_rw_tf(struct ata_taskfile *tf, struct ata_device *dev, u64 block, u32 n_block, unsigned int tf_flags, unsigned int tag); extern u64 ata_tf_read_block(struct ata_taskfile *tf, struct ata_device *dev); -extern void ata_dev_disable(struct ata_device *dev); extern void ata_pio_queue_task(struct ata_port *ap, void *data, unsigned long delay); extern void ata_port_flush_task(struct ata_port *ap); @@ -100,7 +99,7 @@ extern int ata_dev_reread_id(struct ata_device *dev, unsigned int readid_flags); extern int ata_dev_revalidate(struct ata_device *dev, unsigned int new_class, unsigned int readid_flags); extern int ata_dev_configure(struct ata_device *dev); -extern int sata_down_spd_limit(struct ata_link *link); +extern int sata_down_spd_limit(struct ata_link *link, u32 spd_limit); extern int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel); extern void ata_sg_clean(struct ata_queued_cmd *qc); extern void ata_qc_free(struct ata_queued_cmd *qc); @@ -160,6 +159,7 @@ extern void ata_scsi_error(struct Scsi_Host *host); extern void ata_port_wait_eh(struct ata_port *ap); extern void ata_eh_fastdrain_timerfn(unsigned long arg); extern void ata_qc_schedule_eh(struct ata_queued_cmd *qc); +extern void ata_dev_disable(struct ata_device *dev); extern void ata_eh_detach_dev(struct ata_device *dev); extern void ata_eh_about_to_do(struct ata_link *link, struct ata_device *dev, unsigned int action); diff --git a/drivers/ata/pata_qdi.c b/drivers/ata/pata_qdi.c index 3080f37..f1b26f7 100644 --- a/drivers/ata/pata_qdi.c +++ b/drivers/ata/pata_qdi.c @@ -12,7 +12,7 @@ * * Probe code based on drivers/ide/legacy/qd65xx.c * Rewritten from the work of Colten Edwards <pje120@cs.usask.ca> by - * Samuel Thibault <samuel.thibault@fnac.net> + * Samuel Thibault <samuel.thibault@ens-lyon.org> */ #include <linux/kernel.h> diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c index c2e6fb9..ebfcda2 100644 --- a/drivers/ata/pata_rb532_cf.c +++ b/drivers/ata/pata_rb532_cf.c @@ -63,8 +63,6 @@ static inline void rb532_pata_finish_io(struct ata_port *ap) ata_sff_sync might be sufficient. */ ata_sff_dma_pause(ap); ndelay(RB500_CF_IO_DELAY); - - set_irq_type(info->irq, IRQ_TYPE_LEVEL_HIGH); } static void rb532_pata_exec_command(struct ata_port *ap, diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 681169c..79a6c9a 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -86,6 +86,10 @@ enum { VIA_SATA_PATA = 0x800, /* SATA/PATA combined configuration */ }; +enum { + VIA_IDFLAG_SINGLE = (1 << 0), /* single channel controller) */ +}; + /* * VIA SouthBridge chips. */ @@ -97,8 +101,12 @@ static const struct via_isa_bridge { u8 rev_max; u16 flags; } via_isa_bridges[] = { + { "vx855", PCI_DEVICE_ID_VIA_VX855, 0x00, 0x2f, + VIA_UDMA_133 | VIA_BAD_AST | VIA_SATA_PATA }, { "vx800", PCI_DEVICE_ID_VIA_VX800, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_SATA_PATA }, + { "vt8261", PCI_DEVICE_ID_VIA_8261, 0x00, 0x2f, + VIA_UDMA_133 | VIA_BAD_AST }, { "vt8237s", PCI_DEVICE_ID_VIA_8237S, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "vt8251", PCI_DEVICE_ID_VIA_8251, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST }, { "cx700", PCI_DEVICE_ID_VIA_CX700, 0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST | VIA_SATA_PATA }, @@ -122,6 +130,8 @@ static const struct via_isa_bridge { { "vt82c586", PCI_DEVICE_ID_VIA_82C586_0, 0x00, 0x0f, VIA_UDMA_NONE | VIA_SET_FIFO }, { "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, VIA_UDMA_NONE | VIA_SET_FIFO | VIA_NO_UNMASK }, { "vt82c576", PCI_DEVICE_ID_VIA_82C576, 0x00, 0x2f, VIA_UDMA_NONE | VIA_SET_FIFO | VIA_NO_UNMASK | VIA_BAD_ID }, + { "vtxxxx", PCI_DEVICE_ID_VIA_ANON, 0x00, 0x2f, + VIA_UDMA_133 | VIA_BAD_AST }, { NULL } }; @@ -460,6 +470,7 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) static int printed_version; u8 enable; u32 timing; + unsigned long flags = id->driver_data; int rc; if (!printed_version++) @@ -469,9 +480,13 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) if (rc) return rc; + if (flags & VIA_IDFLAG_SINGLE) + ppi[1] = &ata_dummy_port_info; + /* To find out how the IDE will behave and what features we actually have to look at the bridge not the IDE controller */ - for (config = via_isa_bridges; config->id; config++) + for (config = via_isa_bridges; config->id != PCI_DEVICE_ID_VIA_ANON; + config++) if ((isa = pci_get_device(PCI_VENDOR_ID_VIA + !!(config->flags & VIA_BAD_ID), config->id, NULL))) { @@ -482,10 +497,6 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) pci_dev_put(isa); } - if (!config->id) { - printk(KERN_WARNING "via: Unknown VIA SouthBridge, disabling.\n"); - return -ENODEV; - } pci_dev_put(isa); if (!(config->flags & VIA_NO_ENABLES)) { @@ -587,6 +598,7 @@ static const struct pci_device_id via[] = { { PCI_VDEVICE(VIA, 0x1571), }, { PCI_VDEVICE(VIA, 0x3164), }, { PCI_VDEVICE(VIA, 0x5324), }, + { PCI_VDEVICE(VIA, 0xC409), VIA_IDFLAG_SINGLE }, { }, }; diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index 86918634..4ae1a41 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -33,10 +33,6 @@ * * --> ATAPI support (Marvell claims the 60xx/70xx chips can do it). * - * --> Investigate problems with PCI Message Signalled Interrupts (MSI). - * - * --> Cache frequently-accessed registers in mv_port_priv to reduce overhead. - * * --> Develop a low-power-consumption strategy, and implement it. * * --> [Experiment, low priority] Investigate interrupt coalescing. @@ -72,7 +68,7 @@ #include <linux/libata.h> #define DRV_NAME "sata_mv" -#define DRV_VERSION "1.24" +#define DRV_VERSION "1.25" enum { /* BAR's are enumerated in terms of pci_resource_start() terms */ @@ -351,8 +347,6 @@ enum { EDMA_HALTCOND_OFS = 0x60, /* GenIIe halt conditions */ - GEN_II_NCQ_MAX_SECTORS = 256, /* max sects/io on Gen2 w/NCQ */ - /* Host private flags (hp_flags) */ MV_HP_FLAG_MSI = (1 << 0), MV_HP_ERRATA_50XXB0 = (1 << 1), @@ -669,8 +663,8 @@ static const struct pci_device_id mv_pci_tbl[] = { { PCI_VDEVICE(MARVELL, 0x5081), chip_508x }, /* RocketRAID 1720/174x have different identifiers */ { PCI_VDEVICE(TTI, 0x1720), chip_6042 }, - { PCI_VDEVICE(TTI, 0x1740), chip_508x }, - { PCI_VDEVICE(TTI, 0x1742), chip_508x }, + { PCI_VDEVICE(TTI, 0x1740), chip_6042 }, + { PCI_VDEVICE(TTI, 0x1742), chip_6042 }, { PCI_VDEVICE(MARVELL, 0x6040), chip_604x }, { PCI_VDEVICE(MARVELL, 0x6041), chip_604x }, @@ -883,19 +877,15 @@ static void mv_start_dma(struct ata_port *ap, void __iomem *port_mmio, struct mv_host_priv *hpriv = ap->host->private_data; int hardport = mv_hardport_from_port(ap->port_no); void __iomem *hc_mmio = mv_hc_base_from_port( - mv_host_base(ap->host), hardport); - u32 hc_irq_cause, ipending; + mv_host_base(ap->host), ap->port_no); + u32 hc_irq_cause; /* clear EDMA event indicators, if any */ writelfl(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS); - /* clear EDMA interrupt indicator, if any */ - hc_irq_cause = readl(hc_mmio + HC_IRQ_CAUSE_OFS); - ipending = (DEV_IRQ | DMA_IRQ) << hardport; - if (hc_irq_cause & ipending) { - writelfl(hc_irq_cause & ~ipending, - hc_mmio + HC_IRQ_CAUSE_OFS); - } + /* clear pending irq events */ + hc_irq_cause = ~((DEV_IRQ | DMA_IRQ) << hardport); + writelfl(hc_irq_cause, hc_mmio + HC_IRQ_CAUSE_OFS); mv_edma_cfg(ap, want_ncq); @@ -1099,20 +1089,12 @@ static void mv6_dev_config(struct ata_device *adev) * * Gen-II does not support NCQ over a port multiplier * (no FIS-based switching). - * - * We don't have hob_nsect when doing NCQ commands on Gen-II. - * See mv_qc_prep() for more info. */ if (adev->flags & ATA_DFLAG_NCQ) { if (sata_pmp_attached(adev->link->ap)) { adev->flags &= ~ATA_DFLAG_NCQ; ata_dev_printk(adev, KERN_INFO, "NCQ disabled for command-based switching\n"); - } else if (adev->max_sectors > GEN_II_NCQ_MAX_SECTORS) { - adev->max_sectors = GEN_II_NCQ_MAX_SECTORS; - ata_dev_printk(adev, KERN_INFO, - "max_sectors limited to %u for NCQ\n", - adev->max_sectors); } } } @@ -1450,7 +1432,8 @@ static void mv_qc_prep(struct ata_queued_cmd *qc) * only 11 bytes...so we must pick and choose required * registers based on the command. So, we drop feature and * hob_feature for [RW] DMA commands, but they are needed for - * NCQ. NCQ will drop hob_nsect. + * NCQ. NCQ will drop hob_nsect, which is not needed there + * (nsect is used only for the tag; feat/hob_feat hold true nsect). */ switch (tf->command) { case ATA_CMD_READ: @@ -2214,9 +2197,15 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance) struct ata_host *host = dev_instance; struct mv_host_priv *hpriv = host->private_data; unsigned int handled = 0; + int using_msi = hpriv->hp_flags & MV_HP_FLAG_MSI; u32 main_irq_cause, pending_irqs; spin_lock(&host->lock); + + /* for MSI: block new interrupts while in here */ + if (using_msi) + writel(0, hpriv->main_irq_mask_addr); + main_irq_cause = readl(hpriv->main_irq_cause_addr); pending_irqs = main_irq_cause & hpriv->main_irq_mask; /* @@ -2230,6 +2219,11 @@ static irqreturn_t mv_interrupt(int irq, void *dev_instance) handled = mv_host_intr(host, pending_irqs); } spin_unlock(&host->lock); + + /* for MSI: unmask; interrupt cause bits will retrigger now */ + if (using_msi) + writel(hpriv->main_irq_mask, hpriv->main_irq_mask_addr); + return IRQ_RETVAL(handled); } @@ -2821,8 +2815,7 @@ static void mv_eh_thaw(struct ata_port *ap) writel(0, port_mmio + EDMA_ERR_IRQ_CAUSE_OFS); /* clear pending irq events */ - hc_irq_cause = readl(hc_mmio + HC_IRQ_CAUSE_OFS); - hc_irq_cause &= ~((DEV_IRQ | DMA_IRQ) << hardport); + hc_irq_cause = ~((DEV_IRQ | DMA_IRQ) << hardport); writelfl(hc_irq_cause, hc_mmio + HC_IRQ_CAUSE_OFS); mv_enable_port_irqs(ap, ERR_IRQ); @@ -3075,6 +3068,9 @@ static int mv_init_host(struct ata_host *host, unsigned int board_idx) hpriv->main_irq_mask_addr = mmio + PCI_HC_MAIN_IRQ_MASK_OFS; } + /* initialize shadow irq mask with register's value */ + hpriv->main_irq_mask = readl(hpriv->main_irq_mask_addr); + /* global interrupt mask: 0 == mask everything */ mv_set_main_irq_mask(host, ~0, 0); @@ -3430,9 +3426,9 @@ static int mv_pci_init_one(struct pci_dev *pdev, if (rc) return rc; - /* Enable interrupts */ - if (msi && pci_enable_msi(pdev)) - pci_intx(pdev, 1); + /* Enable message-switched interrupts, if requested */ + if (msi && pci_enable_msi(pdev) == 0) + hpriv->hp_flags |= MV_HP_FLAG_MSI; mv_dump_pci_cfg(pdev, 0x68); mv_print_info(host); diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 6f146061..444af04 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -305,10 +305,10 @@ static irqreturn_t nv_ck804_interrupt(int irq, void *dev_instance); static int nv_scr_read(struct ata_link *link, unsigned int sc_reg, u32 *val); static int nv_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val); +static int nv_noclassify_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline); static void nv_nf2_freeze(struct ata_port *ap); static void nv_nf2_thaw(struct ata_port *ap); -static int nv_nf2_hardreset(struct ata_link *link, unsigned int *class, - unsigned long deadline); static void nv_ck804_freeze(struct ata_port *ap); static void nv_ck804_thaw(struct ata_port *ap); static int nv_adma_slave_config(struct scsi_device *sdev); @@ -352,6 +352,7 @@ enum nv_host_type NFORCE3 = NFORCE2, /* NF2 == NF3 as far as sata_nv is concerned */ CK804, ADMA, + MCP5x, SWNCQ, }; @@ -363,10 +364,10 @@ static const struct pci_device_id nv_pci_tbl[] = { { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_CK804_SATA2), CK804 }, { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_SATA), CK804 }, { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP04_SATA2), CK804 }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA), SWNCQ }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA2), SWNCQ }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SATA), SWNCQ }, - { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SATA2), SWNCQ }, + { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA), MCP5x }, + { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP51_SATA2), MCP5x }, + { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SATA), MCP5x }, + { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP55_SATA2), MCP5x }, { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA), GENERIC }, { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA2), GENERIC }, { PCI_VDEVICE(NVIDIA, PCI_DEVICE_ID_NVIDIA_NFORCE_MCP61_SATA3), GENERIC }, @@ -432,14 +433,19 @@ static struct ata_port_operations nv_nf2_ops = { .inherits = &nv_common_ops, .freeze = nv_nf2_freeze, .thaw = nv_nf2_thaw, - .hardreset = nv_nf2_hardreset, + .hardreset = nv_noclassify_hardreset, }; -/* CK804 finally gets hardreset right */ +/* For initial probing after boot and hot plugging, hardreset mostly + * works fine on CK804 but curiously, reprobing on the initial port by + * rescanning or rmmod/insmod fails to acquire the initial D2H Reg FIS + * in somewhat undeterministic way. Use noclassify hardreset. + */ static struct ata_port_operations nv_ck804_ops = { .inherits = &nv_common_ops, .freeze = nv_ck804_freeze, .thaw = nv_ck804_thaw, + .hardreset = nv_noclassify_hardreset, .host_stop = nv_ck804_host_stop, }; @@ -467,8 +473,19 @@ static struct ata_port_operations nv_adma_ops = { .host_stop = nv_adma_host_stop, }; +/* Kernel bz#12351 reports that when SWNCQ is enabled, for hotplug to + * work, hardreset should be used and hardreset can't report proper + * signature, which suggests that mcp5x is closer to nf2 as long as + * reset quirkiness is concerned. Define separate ops for mcp5x with + * nv_noclassify_hardreset(). + */ +static struct ata_port_operations nv_mcp5x_ops = { + .inherits = &nv_common_ops, + .hardreset = nv_noclassify_hardreset, +}; + static struct ata_port_operations nv_swncq_ops = { - .inherits = &nv_generic_ops, + .inherits = &nv_mcp5x_ops, .qc_defer = ata_std_qc_defer, .qc_prep = nv_swncq_qc_prep, @@ -531,6 +548,15 @@ static const struct ata_port_info nv_port_info[] = { .port_ops = &nv_adma_ops, .private_data = NV_PI_PRIV(nv_adma_interrupt, &nv_adma_sht), }, + /* MCP5x */ + { + .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY, + .pio_mask = NV_PIO_MASK, + .mwdma_mask = NV_MWDMA_MASK, + .udma_mask = NV_UDMA_MASK, + .port_ops = &nv_mcp5x_ops, + .private_data = NV_PI_PRIV(nv_generic_interrupt, &nv_sht), + }, /* SWNCQ */ { .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | @@ -1530,6 +1556,17 @@ static int nv_scr_write(struct ata_link *link, unsigned int sc_reg, u32 val) return 0; } +static int nv_noclassify_hardreset(struct ata_link *link, unsigned int *class, + unsigned long deadline) +{ + bool online; + int rc; + + rc = sata_link_hardreset(link, sata_deb_timing_hotplug, deadline, + &online, NULL); + return online ? -EAGAIN : rc; +} + static void nv_nf2_freeze(struct ata_port *ap) { void __iomem *scr_addr = ap->host->ports[0]->ioaddr.scr_addr; @@ -1554,17 +1591,6 @@ static void nv_nf2_thaw(struct ata_port *ap) iowrite8(mask, scr_addr + NV_INT_ENABLE); } -static int nv_nf2_hardreset(struct ata_link *link, unsigned int *class, - unsigned long deadline) -{ - bool online; - int rc; - - rc = sata_link_hardreset(link, sata_deb_timing_hotplug, deadline, - &online, NULL); - return online ? -EAGAIN : rc; -} - static void nv_ck804_freeze(struct ata_port *ap) { void __iomem *mmio_base = ap->host->iomap[NV_MMIO_BAR]; @@ -2355,14 +2381,9 @@ static int nv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (type == CK804 && adma_enabled) { dev_printk(KERN_NOTICE, &pdev->dev, "Using ADMA mode\n"); type = ADMA; - } - - if (type == SWNCQ) { - if (swncq_enabled) - dev_printk(KERN_NOTICE, &pdev->dev, - "Using SWNCQ mode\n"); - else - type = GENERIC; + } else if (type == MCP5x && swncq_enabled) { + dev_printk(KERN_NOTICE, &pdev->dev, "Using SWNCQ mode\n"); + type = SWNCQ; } ppi[0] = &nv_port_info[type]; diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c index 564c142..d009160 100644 --- a/drivers/ata/sata_sil.c +++ b/drivers/ata/sata_sil.c @@ -44,6 +44,7 @@ #include <linux/device.h> #include <scsi/scsi_host.h> #include <linux/libata.h> +#include <linux/dmi.h> #define DRV_NAME "sata_sil" #define DRV_VERSION "2.4" @@ -323,7 +324,7 @@ static void sil_fill_sg(struct ata_queued_cmd *qc) prd->addr = cpu_to_le32(addr); prd->flags_len = cpu_to_le32(sg_len); - VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", pi, addr, sg_len); + VPRINTK("PRD[%u] = (0x%X, 0x%X)\n", si, addr, sg_len); last_prd = prd; prd++; @@ -695,11 +696,38 @@ static void sil_init_controller(struct ata_host *host) } } +static bool sil_broken_system_poweroff(struct pci_dev *pdev) +{ + static const struct dmi_system_id broken_systems[] = { + { + .ident = "HP Compaq nx6325", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), + DMI_MATCH(DMI_PRODUCT_NAME, "HP Compaq nx6325"), + }, + /* PCI slot number of the controller */ + .driver_data = (void *)0x12UL, + }, + + { } /* terminate list */ + }; + const struct dmi_system_id *dmi = dmi_first_match(broken_systems); + + if (dmi) { + unsigned long slot = (unsigned long)dmi->driver_data; + /* apply the quirk only to on-board controllers */ + return slot == PCI_SLOT(pdev->devfn); + } + + return false; +} + static int sil_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) { static int printed_version; int board_id = ent->driver_data; - const struct ata_port_info *ppi[] = { &sil_port_info[board_id], NULL }; + struct ata_port_info pi = sil_port_info[board_id]; + const struct ata_port_info *ppi[] = { &pi, NULL }; struct ata_host *host; void __iomem *mmio_base; int n_ports, rc; @@ -713,6 +741,13 @@ static int sil_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) if (board_id == sil_3114) n_ports = 4; + if (sil_broken_system_poweroff(pdev)) { + pi.flags |= ATA_FLAG_NO_POWEROFF_SPINDOWN | + ATA_FLAG_NO_HIBERNATE_SPINDOWN; + dev_info(&pdev->dev, "quirky BIOS, skipping spindown " + "on poweroff and hibernation\n"); + } + host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports); if (!host) return -ENOMEM; diff --git a/drivers/base/core.c b/drivers/base/core.c index 8079afc..f3eae63 100644 --- a/drivers/base/core.c +++ b/drivers/base/core.c @@ -777,10 +777,16 @@ static void device_remove_class_symlinks(struct device *dev) int dev_set_name(struct device *dev, const char *fmt, ...) { va_list vargs; + char *s; va_start(vargs, fmt); vsnprintf(dev->bus_id, sizeof(dev->bus_id), fmt, vargs); va_end(vargs); + + /* ewww... some of these buggers have / in the name... */ + while ((s = strchr(dev->bus_id, '/'))) + *s = '!'; + return 0; } EXPORT_SYMBOL_GPL(dev_set_name); @@ -1274,7 +1280,7 @@ EXPORT_SYMBOL_GPL(__root_device_register); /** * root_device_unregister - unregister and free a root device - * @root: device going away. + * @dev: device going away * * This function unregisters and cleans up a device that was created by * root_device_register(). diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index f5be808..735bbe2 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -761,7 +761,7 @@ source "drivers/char/hw_random/Kconfig" config NVRAM tristate "/dev/nvram support" - depends on ATARI || X86 || ARM || GENERIC_NVRAM + depends on ATARI || X86 || (ARM && RTC_DRV_CMOS) || GENERIC_NVRAM ---help--- If you say Y here and create a character special file /dev/nvram with major number 10 and minor number 144 using mknod ("man mknod"), diff --git a/drivers/char/hw_random/omap-rng.c b/drivers/char/hw_random/omap-rng.c index d4e7dca..ba68a46 100644 --- a/drivers/char/hw_random/omap-rng.c +++ b/drivers/char/hw_random/omap-rng.c @@ -102,7 +102,7 @@ static int __init omap_rng_probe(struct platform_device *pdev) return -EBUSY; if (cpu_is_omap24xx()) { - rng_ick = clk_get(NULL, "rng_ick"); + rng_ick = clk_get(&pdev->dev, "rng_ick"); if (IS_ERR(rng_ick)) { dev_err(&pdev->dev, "Could not get rng_ick\n"); ret = PTR_ERR(rng_ick); diff --git a/drivers/char/selection.c b/drivers/char/selection.c index f29fbe9..cb8ca56 100644 --- a/drivers/char/selection.c +++ b/drivers/char/selection.c @@ -268,7 +268,7 @@ int set_selection(const struct tiocl_selection __user *sel, struct tty_struct *t /* Allocate a new buffer before freeing the old one ... */ multiplier = use_unicode ? 3 : 1; /* chars can take up to 3 bytes */ - bp = kmalloc((sel_end-sel_start)/2*multiplier+1, GFP_KERNEL); + bp = kmalloc(((sel_end-sel_start)/2+1)*multiplier, GFP_KERNEL); if (!bp) { printk(KERN_WARNING "selection: kmalloc() failed\n"); clear_selection(); diff --git a/drivers/char/sx.c b/drivers/char/sx.c index b60be7b..f146e90 100644 --- a/drivers/char/sx.c +++ b/drivers/char/sx.c @@ -1713,8 +1713,8 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd, for (i = 0; i < SX_NBOARDS; i++) sx_dprintk(SX_DEBUG_FIRMWARE, "<%x> ", boards[i].flags); sx_dprintk(SX_DEBUG_FIRMWARE, "\n"); - unlock_kernel(); - return -EIO; + rc = -EIO; + goto out; } switch (cmd) { @@ -1747,7 +1747,8 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd, break; case SXIO_DO_RAMTEST: if (sx_initialized) /* Already initialized: better not ramtest the board. */ - return -EPERM; + rc = -EPERM; + break; if (IS_SX_BOARD(board)) { rc = do_memtest(board, 0, 0x7000); if (!rc) @@ -1844,6 +1845,7 @@ static long sx_fw_ioctl(struct file *filp, unsigned int cmd, rc = -ENOTTY; break; } +out: unlock_kernel(); func_exit(); return rc; diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c index d33e5ab..bc84e12 100644 --- a/drivers/char/tty_io.c +++ b/drivers/char/tty_io.c @@ -1817,8 +1817,10 @@ got_driver: /* check whether we're reopening an existing tty */ tty = tty_driver_lookup_tty(driver, inode, index); - if (IS_ERR(tty)) + if (IS_ERR(tty)) { + mutex_unlock(&tty_mutex); return PTR_ERR(tty); + } } if (tty) { diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c index 5543384..33bd753 100644 --- a/drivers/dca/dca-core.c +++ b/drivers/dca/dca-core.c @@ -28,7 +28,7 @@ #include <linux/device.h> #include <linux/dca.h> -#define DCA_VERSION "1.4" +#define DCA_VERSION "1.8" MODULE_VERSION(DCA_VERSION); MODULE_LICENSE("GPL"); @@ -60,16 +60,17 @@ int dca_add_requester(struct device *dev) { struct dca_provider *dca; int err, slot = -ENODEV; + unsigned long flags; if (!dev) return -EFAULT; - spin_lock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); /* check if the requester has not been added already */ dca = dca_find_provider_by_dev(dev); if (dca) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return -EEXIST; } @@ -78,19 +79,21 @@ int dca_add_requester(struct device *dev) if (slot >= 0) break; } - if (slot < 0) { - spin_unlock(&dca_lock); + + spin_unlock_irqrestore(&dca_lock, flags); + + if (slot < 0) return slot; - } err = dca_sysfs_add_req(dca, dev, slot); if (err) { - dca->ops->remove_requester(dca, dev); - spin_unlock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); + if (dca == dca_find_provider_by_dev(dev)) + dca->ops->remove_requester(dca, dev); + spin_unlock_irqrestore(&dca_lock, flags); return err; } - spin_unlock(&dca_lock); return 0; } EXPORT_SYMBOL_GPL(dca_add_requester); @@ -103,25 +106,25 @@ int dca_remove_requester(struct device *dev) { struct dca_provider *dca; int slot; + unsigned long flags; if (!dev) return -EFAULT; - spin_lock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); dca = dca_find_provider_by_dev(dev); if (!dca) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return -ENODEV; } slot = dca->ops->remove_requester(dca, dev); - if (slot < 0) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); + + if (slot < 0) return slot; - } dca_sysfs_remove_req(dca, slot); - spin_unlock(&dca_lock); return 0; } EXPORT_SYMBOL_GPL(dca_remove_requester); @@ -135,17 +138,18 @@ u8 dca_common_get_tag(struct device *dev, int cpu) { struct dca_provider *dca; u8 tag; + unsigned long flags; - spin_lock(&dca_lock); + spin_lock_irqsave(&dca_lock, flags); dca = dca_find_provider_by_dev(dev); if (!dca) { - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return -ENODEV; } tag = dca->ops->get_tag(dca, dev, cpu); - spin_unlock(&dca_lock); + spin_unlock_irqrestore(&dca_lock, flags); return tag; } @@ -217,11 +221,16 @@ static BLOCKING_NOTIFIER_HEAD(dca_provider_chain); int register_dca_provider(struct dca_provider *dca, struct device *dev) { int err; + unsigned long flags; err = dca_sysfs_add_provider(dca, dev); if (err) return err; + + spin_lock_irqsave(&dca_lock, flags); list_add(&dca->node, &dca_providers); + spin_unlock_irqrestore(&dca_lock, flags); + blocking_notifier_call_chain(&dca_provider_chain, DCA_PROVIDER_ADD, NULL); return 0; @@ -234,9 +243,15 @@ EXPORT_SYMBOL_GPL(register_dca_provider); */ void unregister_dca_provider(struct dca_provider *dca) { + unsigned long flags; + blocking_notifier_call_chain(&dca_provider_chain, DCA_PROVIDER_REMOVE, NULL); + + spin_lock_irqsave(&dca_lock, flags); list_del(&dca->node); + spin_unlock_irqrestore(&dca_lock, flags); + dca_sysfs_remove_provider(dca); } EXPORT_SYMBOL_GPL(unregister_dca_provider); diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig index e34b064..48ea59e 100644 --- a/drivers/dma/Kconfig +++ b/drivers/dma/Kconfig @@ -62,6 +62,25 @@ config MV_XOR ---help--- Enable support for the Marvell XOR engine. +config MX3_IPU + bool "MX3x Image Processing Unit support" + depends on ARCH_MX3 + select DMA_ENGINE + default y + help + If you plan to use the Image Processing unit in the i.MX3x, say + Y here. If unsure, select Y. + +config MX3_IPU_IRQS + int "Number of dynamically mapped interrupts for IPU" + depends on MX3_IPU + range 2 137 + default 4 + help + Out of 137 interrupt sources on i.MX31 IPU only very few are used. + To avoid bloating the irq_desc[] array we allocate a sufficient + number of IRQ slots and map them dynamically to specific sources. + config DMA_ENGINE bool diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile index 14f5952..2e5dc96 100644 --- a/drivers/dma/Makefile +++ b/drivers/dma/Makefile @@ -7,3 +7,4 @@ obj-$(CONFIG_INTEL_IOP_ADMA) += iop-adma.o obj-$(CONFIG_FSL_DMA) += fsldma.o obj-$(CONFIG_MV_XOR) += mv_xor.o obj-$(CONFIG_DW_DMAC) += dw_dmac.o +obj-$(CONFIG_MX3_IPU) += ipu/ diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c index 403dbe7..a589930 100644 --- a/drivers/dma/dmaengine.c +++ b/drivers/dma/dmaengine.c @@ -329,9 +329,6 @@ struct dma_chan *dma_find_channel(enum dma_transaction_type tx_type) struct dma_chan *chan; int cpu; - WARN_ONCE(dmaengine_ref_count == 0, - "client called %s without a reference", __func__); - cpu = get_cpu(); chan = per_cpu_ptr(channel_table[tx_type], cpu)->chan; put_cpu(); @@ -348,9 +345,6 @@ void dma_issue_pending_all(void) struct dma_device *device; struct dma_chan *chan; - WARN_ONCE(dmaengine_ref_count == 0, - "client called %s without a reference", __func__); - rcu_read_lock(); list_for_each_entry_rcu(device, &dma_device_list, global_node) { if (dma_has_cap(DMA_PRIVATE, device->cap_mask)) @@ -961,6 +955,8 @@ void dma_run_dependencies(struct dma_async_tx_descriptor *tx) if (!dep) return; + /* we'll submit tx->next now, so clear the link */ + tx->next = NULL; chan = dep->chan; /* keep submitting up until a channel switch is detected diff --git a/drivers/dma/dmatest.c b/drivers/dma/dmatest.c index 3603f1e..732fa1e 100644 --- a/drivers/dma/dmatest.c +++ b/drivers/dma/dmatest.c @@ -217,6 +217,10 @@ static int dmatest_func(void *data) chan = thread->chan; while (!kthread_should_stop()) { + struct dma_device *dev = chan->device; + struct dma_async_tx_descriptor *tx; + dma_addr_t dma_src, dma_dest; + total_tests++; len = dmatest_random() % test_buf_size + 1; @@ -226,10 +230,30 @@ static int dmatest_func(void *data) dmatest_init_srcbuf(thread->srcbuf, src_off, len); dmatest_init_dstbuf(thread->dstbuf, dst_off, len); - cookie = dma_async_memcpy_buf_to_buf(chan, - thread->dstbuf + dst_off, - thread->srcbuf + src_off, - len); + dma_src = dma_map_single(dev->dev, thread->srcbuf + src_off, + len, DMA_TO_DEVICE); + /* map with DMA_BIDIRECTIONAL to force writeback/invalidate */ + dma_dest = dma_map_single(dev->dev, thread->dstbuf, + test_buf_size, DMA_BIDIRECTIONAL); + + tx = dev->device_prep_dma_memcpy(chan, dma_dest + dst_off, + dma_src, len, + DMA_CTRL_ACK | DMA_COMPL_SKIP_DEST_UNMAP); + if (!tx) { + dma_unmap_single(dev->dev, dma_src, len, DMA_TO_DEVICE); + dma_unmap_single(dev->dev, dma_dest, + test_buf_size, DMA_BIDIRECTIONAL); + pr_warning("%s: #%u: prep error with src_off=0x%x " + "dst_off=0x%x len=0x%x\n", + thread_name, total_tests - 1, + src_off, dst_off, len); + msleep(100); + failed_tests++; + continue; + } + tx->callback = NULL; + cookie = tx->tx_submit(tx); + if (dma_submit_error(cookie)) { pr_warning("%s: #%u: submit error %d with src_off=0x%x " "dst_off=0x%x len=0x%x\n", @@ -253,6 +277,9 @@ static int dmatest_func(void *data) failed_tests++; continue; } + /* Unmap by myself (see DMA_COMPL_SKIP_DEST_UNMAP above) */ + dma_unmap_single(dev->dev, dma_dest, + test_buf_size, DMA_BIDIRECTIONAL); error_count = 0; diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c index ca70a21..70126a6 100644 --- a/drivers/dma/fsldma.c +++ b/drivers/dma/fsldma.c @@ -822,7 +822,7 @@ static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev, */ WARN_ON(fdev->feature != new_fsl_chan->feature); - new_fsl_chan->dev = &new_fsl_chan->common.dev->device; + new_fsl_chan->dev = fdev->dev; new_fsl_chan->reg_base = ioremap(new_fsl_chan->reg.start, new_fsl_chan->reg.end - new_fsl_chan->reg.start + 1); @@ -875,7 +875,8 @@ static int __devinit fsl_dma_chan_probe(struct fsl_dma_device *fdev, } dev_info(fdev->dev, "#%d (%s), irq %d\n", new_fsl_chan->id, - compatible, new_fsl_chan->irq); + compatible, + new_fsl_chan->irq != NO_IRQ ? new_fsl_chan->irq : fdev->irq); return 0; @@ -890,7 +891,8 @@ err_no_reg: static void fsl_dma_chan_remove(struct fsl_dma_chan *fchan) { - free_irq(fchan->irq, fchan); + if (fchan->irq != NO_IRQ) + free_irq(fchan->irq, fchan); list_del(&fchan->common.device_node); iounmap(fchan->reg_base); kfree(fchan); diff --git a/drivers/dma/ipu/Makefile b/drivers/dma/ipu/Makefile new file mode 100644 index 0000000..6704cf4 --- /dev/null +++ b/drivers/dma/ipu/Makefile @@ -0,0 +1 @@ +obj-y += ipu_irq.o ipu_idmac.o diff --git a/drivers/dma/ipu/ipu_idmac.c b/drivers/dma/ipu/ipu_idmac.c new file mode 100644 index 0000000..1f154d0 --- /dev/null +++ b/drivers/dma/ipu/ipu_idmac.c @@ -0,0 +1,1740 @@ +/* + * Copyright (C) 2008 + * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> + * + * Copyright (C) 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/err.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/list.h> +#include <linux/clk.h> +#include <linux/vmalloc.h> +#include <linux/string.h> +#include <linux/interrupt.h> +#include <linux/io.h> + +#include <mach/ipu.h> + +#include "ipu_intern.h" + +#define FS_VF_IN_VALID 0x00000002 +#define FS_ENC_IN_VALID 0x00000001 + +/* + * There can be only one, we could allocate it dynamically, but then we'd have + * to add an extra parameter to some functions, and use something as ugly as + * struct ipu *ipu = to_ipu(to_idmac(ichan->dma_chan.device)); + * in the ISR + */ +static struct ipu ipu_data; + +#define to_ipu(id) container_of(id, struct ipu, idmac) + +static u32 __idmac_read_icreg(struct ipu *ipu, unsigned long reg) +{ + return __raw_readl(ipu->reg_ic + reg); +} + +#define idmac_read_icreg(ipu, reg) __idmac_read_icreg(ipu, reg - IC_CONF) + +static void __idmac_write_icreg(struct ipu *ipu, u32 value, unsigned long reg) +{ + __raw_writel(value, ipu->reg_ic + reg); +} + +#define idmac_write_icreg(ipu, v, reg) __idmac_write_icreg(ipu, v, reg - IC_CONF) + +static u32 idmac_read_ipureg(struct ipu *ipu, unsigned long reg) +{ + return __raw_readl(ipu->reg_ipu + reg); +} + +static void idmac_write_ipureg(struct ipu *ipu, u32 value, unsigned long reg) +{ + __raw_writel(value, ipu->reg_ipu + reg); +} + +/***************************************************************************** + * IPU / IC common functions + */ +static void dump_idmac_reg(struct ipu *ipu) +{ + dev_dbg(ipu->dev, "IDMAC_CONF 0x%x, IC_CONF 0x%x, IDMAC_CHA_EN 0x%x, " + "IDMAC_CHA_PRI 0x%x, IDMAC_CHA_BUSY 0x%x\n", + idmac_read_icreg(ipu, IDMAC_CONF), + idmac_read_icreg(ipu, IC_CONF), + idmac_read_icreg(ipu, IDMAC_CHA_EN), + idmac_read_icreg(ipu, IDMAC_CHA_PRI), + idmac_read_icreg(ipu, IDMAC_CHA_BUSY)); + dev_dbg(ipu->dev, "BUF0_RDY 0x%x, BUF1_RDY 0x%x, CUR_BUF 0x%x, " + "DB_MODE 0x%x, TASKS_STAT 0x%x\n", + idmac_read_ipureg(ipu, IPU_CHA_BUF0_RDY), + idmac_read_ipureg(ipu, IPU_CHA_BUF1_RDY), + idmac_read_ipureg(ipu, IPU_CHA_CUR_BUF), + idmac_read_ipureg(ipu, IPU_CHA_DB_MODE_SEL), + idmac_read_ipureg(ipu, IPU_TASKS_STAT)); +} + +static uint32_t bytes_per_pixel(enum pixel_fmt fmt) +{ + switch (fmt) { + case IPU_PIX_FMT_GENERIC: /* generic data */ + case IPU_PIX_FMT_RGB332: + case IPU_PIX_FMT_YUV420P: + case IPU_PIX_FMT_YUV422P: + default: + return 1; + case IPU_PIX_FMT_RGB565: + case IPU_PIX_FMT_YUYV: + case IPU_PIX_FMT_UYVY: + return 2; + case IPU_PIX_FMT_BGR24: + case IPU_PIX_FMT_RGB24: + return 3; + case IPU_PIX_FMT_GENERIC_32: /* generic data */ + case IPU_PIX_FMT_BGR32: + case IPU_PIX_FMT_RGB32: + case IPU_PIX_FMT_ABGR32: + return 4; + } +} + +/* Enable / disable direct write to memory by the Camera Sensor Interface */ +static void ipu_ic_enable_task(struct ipu *ipu, enum ipu_channel channel) +{ + uint32_t ic_conf, mask; + + switch (channel) { + case IDMAC_IC_0: + mask = IC_CONF_PRPENC_EN; + break; + case IDMAC_IC_7: + mask = IC_CONF_RWS_EN | IC_CONF_PRPENC_EN; + break; + default: + return; + } + ic_conf = idmac_read_icreg(ipu, IC_CONF) | mask; + idmac_write_icreg(ipu, ic_conf, IC_CONF); +} + +static void ipu_ic_disable_task(struct ipu *ipu, enum ipu_channel channel) +{ + uint32_t ic_conf, mask; + + switch (channel) { + case IDMAC_IC_0: + mask = IC_CONF_PRPENC_EN; + break; + case IDMAC_IC_7: + mask = IC_CONF_RWS_EN | IC_CONF_PRPENC_EN; + break; + default: + return; + } + ic_conf = idmac_read_icreg(ipu, IC_CONF) & ~mask; + idmac_write_icreg(ipu, ic_conf, IC_CONF); +} + +static uint32_t ipu_channel_status(struct ipu *ipu, enum ipu_channel channel) +{ + uint32_t stat = TASK_STAT_IDLE; + uint32_t task_stat_reg = idmac_read_ipureg(ipu, IPU_TASKS_STAT); + + switch (channel) { + case IDMAC_IC_7: + stat = (task_stat_reg & TSTAT_CSI2MEM_MASK) >> + TSTAT_CSI2MEM_OFFSET; + break; + case IDMAC_IC_0: + case IDMAC_SDC_0: + case IDMAC_SDC_1: + default: + break; + } + return stat; +} + +struct chan_param_mem_planar { + /* Word 0 */ + u32 xv:10; + u32 yv:10; + u32 xb:12; + + u32 yb:12; + u32 res1:2; + u32 nsb:1; + u32 lnpb:6; + u32 ubo_l:11; + + u32 ubo_h:15; + u32 vbo_l:17; + + u32 vbo_h:9; + u32 res2:3; + u32 fw:12; + u32 fh_l:8; + + u32 fh_h:4; + u32 res3:28; + + /* Word 1 */ + u32 eba0; + + u32 eba1; + + u32 bpp:3; + u32 sl:14; + u32 pfs:3; + u32 bam:3; + u32 res4:2; + u32 npb:6; + u32 res5:1; + + u32 sat:2; + u32 res6:30; +} __attribute__ ((packed)); + +struct chan_param_mem_interleaved { + /* Word 0 */ + u32 xv:10; + u32 yv:10; + u32 xb:12; + + u32 yb:12; + u32 sce:1; + u32 res1:1; + u32 nsb:1; + u32 lnpb:6; + u32 sx:10; + u32 sy_l:1; + + u32 sy_h:9; + u32 ns:10; + u32 sm:10; + u32 sdx_l:3; + + u32 sdx_h:2; + u32 sdy:5; + u32 sdrx:1; + u32 sdry:1; + u32 sdr1:1; + u32 res2:2; + u32 fw:12; + u32 fh_l:8; + + u32 fh_h:4; + u32 res3:28; + + /* Word 1 */ + u32 eba0; + + u32 eba1; + + u32 bpp:3; + u32 sl:14; + u32 pfs:3; + u32 bam:3; + u32 res4:2; + u32 npb:6; + u32 res5:1; + + u32 sat:2; + u32 scc:1; + u32 ofs0:5; + u32 ofs1:5; + u32 ofs2:5; + u32 ofs3:5; + u32 wid0:3; + u32 wid1:3; + u32 wid2:3; + + u32 wid3:3; + u32 dec_sel:1; + u32 res6:28; +} __attribute__ ((packed)); + +union chan_param_mem { + struct chan_param_mem_planar pp; + struct chan_param_mem_interleaved ip; +}; + +static void ipu_ch_param_set_plane_offset(union chan_param_mem *params, + u32 u_offset, u32 v_offset) +{ + params->pp.ubo_l = u_offset & 0x7ff; + params->pp.ubo_h = u_offset >> 11; + params->pp.vbo_l = v_offset & 0x1ffff; + params->pp.vbo_h = v_offset >> 17; +} + +static void ipu_ch_param_set_size(union chan_param_mem *params, + uint32_t pixel_fmt, uint16_t width, + uint16_t height, uint16_t stride) +{ + u32 u_offset; + u32 v_offset; + + params->pp.fw = width - 1; + params->pp.fh_l = height - 1; + params->pp.fh_h = (height - 1) >> 8; + params->pp.sl = stride - 1; + + switch (pixel_fmt) { + case IPU_PIX_FMT_GENERIC: + /*Represents 8-bit Generic data */ + params->pp.bpp = 3; + params->pp.pfs = 7; + params->pp.npb = 31; + params->pp.sat = 2; /* SAT = use 32-bit access */ + break; + case IPU_PIX_FMT_GENERIC_32: + /*Represents 32-bit Generic data */ + params->pp.bpp = 0; + params->pp.pfs = 7; + params->pp.npb = 7; + params->pp.sat = 2; /* SAT = use 32-bit access */ + break; + case IPU_PIX_FMT_RGB565: + params->ip.bpp = 2; + params->ip.pfs = 4; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + params->ip.ofs0 = 0; /* Red bit offset */ + params->ip.ofs1 = 5; /* Green bit offset */ + params->ip.ofs2 = 11; /* Blue bit offset */ + params->ip.ofs3 = 16; /* Alpha bit offset */ + params->ip.wid0 = 4; /* Red bit width - 1 */ + params->ip.wid1 = 5; /* Green bit width - 1 */ + params->ip.wid2 = 4; /* Blue bit width - 1 */ + break; + case IPU_PIX_FMT_BGR24: + params->ip.bpp = 1; /* 24 BPP & RGB PFS */ + params->ip.pfs = 4; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + params->ip.ofs0 = 0; /* Red bit offset */ + params->ip.ofs1 = 8; /* Green bit offset */ + params->ip.ofs2 = 16; /* Blue bit offset */ + params->ip.ofs3 = 24; /* Alpha bit offset */ + params->ip.wid0 = 7; /* Red bit width - 1 */ + params->ip.wid1 = 7; /* Green bit width - 1 */ + params->ip.wid2 = 7; /* Blue bit width - 1 */ + break; + case IPU_PIX_FMT_RGB24: + params->ip.bpp = 1; /* 24 BPP & RGB PFS */ + params->ip.pfs = 4; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + params->ip.ofs0 = 16; /* Red bit offset */ + params->ip.ofs1 = 8; /* Green bit offset */ + params->ip.ofs2 = 0; /* Blue bit offset */ + params->ip.ofs3 = 24; /* Alpha bit offset */ + params->ip.wid0 = 7; /* Red bit width - 1 */ + params->ip.wid1 = 7; /* Green bit width - 1 */ + params->ip.wid2 = 7; /* Blue bit width - 1 */ + break; + case IPU_PIX_FMT_BGRA32: + case IPU_PIX_FMT_BGR32: + params->ip.bpp = 0; + params->ip.pfs = 4; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + params->ip.ofs0 = 8; /* Red bit offset */ + params->ip.ofs1 = 16; /* Green bit offset */ + params->ip.ofs2 = 24; /* Blue bit offset */ + params->ip.ofs3 = 0; /* Alpha bit offset */ + params->ip.wid0 = 7; /* Red bit width - 1 */ + params->ip.wid1 = 7; /* Green bit width - 1 */ + params->ip.wid2 = 7; /* Blue bit width - 1 */ + params->ip.wid3 = 7; /* Alpha bit width - 1 */ + break; + case IPU_PIX_FMT_RGBA32: + case IPU_PIX_FMT_RGB32: + params->ip.bpp = 0; + params->ip.pfs = 4; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + params->ip.ofs0 = 24; /* Red bit offset */ + params->ip.ofs1 = 16; /* Green bit offset */ + params->ip.ofs2 = 8; /* Blue bit offset */ + params->ip.ofs3 = 0; /* Alpha bit offset */ + params->ip.wid0 = 7; /* Red bit width - 1 */ + params->ip.wid1 = 7; /* Green bit width - 1 */ + params->ip.wid2 = 7; /* Blue bit width - 1 */ + params->ip.wid3 = 7; /* Alpha bit width - 1 */ + break; + case IPU_PIX_FMT_ABGR32: + params->ip.bpp = 0; + params->ip.pfs = 4; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + params->ip.ofs0 = 8; /* Red bit offset */ + params->ip.ofs1 = 16; /* Green bit offset */ + params->ip.ofs2 = 24; /* Blue bit offset */ + params->ip.ofs3 = 0; /* Alpha bit offset */ + params->ip.wid0 = 7; /* Red bit width - 1 */ + params->ip.wid1 = 7; /* Green bit width - 1 */ + params->ip.wid2 = 7; /* Blue bit width - 1 */ + params->ip.wid3 = 7; /* Alpha bit width - 1 */ + break; + case IPU_PIX_FMT_UYVY: + params->ip.bpp = 2; + params->ip.pfs = 6; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + break; + case IPU_PIX_FMT_YUV420P2: + case IPU_PIX_FMT_YUV420P: + params->ip.bpp = 3; + params->ip.pfs = 3; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + u_offset = stride * height; + v_offset = u_offset + u_offset / 4; + ipu_ch_param_set_plane_offset(params, u_offset, v_offset); + break; + case IPU_PIX_FMT_YVU422P: + params->ip.bpp = 3; + params->ip.pfs = 2; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + v_offset = stride * height; + u_offset = v_offset + v_offset / 2; + ipu_ch_param_set_plane_offset(params, u_offset, v_offset); + break; + case IPU_PIX_FMT_YUV422P: + params->ip.bpp = 3; + params->ip.pfs = 2; + params->ip.npb = 7; + params->ip.sat = 2; /* SAT = 32-bit access */ + u_offset = stride * height; + v_offset = u_offset + u_offset / 2; + ipu_ch_param_set_plane_offset(params, u_offset, v_offset); + break; + default: + dev_err(ipu_data.dev, + "mxc ipu: unimplemented pixel format %d\n", pixel_fmt); + break; + } + + params->pp.nsb = 1; +} + +static void ipu_ch_param_set_burst_size(union chan_param_mem *params, + uint16_t burst_pixels) +{ + params->pp.npb = burst_pixels - 1; +}; + +static void ipu_ch_param_set_buffer(union chan_param_mem *params, + dma_addr_t buf0, dma_addr_t buf1) +{ + params->pp.eba0 = buf0; + params->pp.eba1 = buf1; +}; + +static void ipu_ch_param_set_rotation(union chan_param_mem *params, + enum ipu_rotate_mode rotate) +{ + params->pp.bam = rotate; +}; + +static void ipu_write_param_mem(uint32_t addr, uint32_t *data, + uint32_t num_words) +{ + for (; num_words > 0; num_words--) { + dev_dbg(ipu_data.dev, + "write param mem - addr = 0x%08X, data = 0x%08X\n", + addr, *data); + idmac_write_ipureg(&ipu_data, addr, IPU_IMA_ADDR); + idmac_write_ipureg(&ipu_data, *data++, IPU_IMA_DATA); + addr++; + if ((addr & 0x7) == 5) { + addr &= ~0x7; /* set to word 0 */ + addr += 8; /* increment to next row */ + } + } +} + +static int calc_resize_coeffs(uint32_t in_size, uint32_t out_size, + uint32_t *resize_coeff, + uint32_t *downsize_coeff) +{ + uint32_t temp_size; + uint32_t temp_downsize; + + *resize_coeff = 1 << 13; + *downsize_coeff = 1 << 13; + + /* Cannot downsize more than 8:1 */ + if (out_size << 3 < in_size) + return -EINVAL; + + /* compute downsizing coefficient */ + temp_downsize = 0; + temp_size = in_size; + while (temp_size >= out_size * 2 && temp_downsize < 2) { + temp_size >>= 1; + temp_downsize++; + } + *downsize_coeff = temp_downsize; + + /* + * compute resizing coefficient using the following formula: + * resize_coeff = M*(SI -1)/(SO - 1) + * where M = 2^13, SI - input size, SO - output size + */ + *resize_coeff = (8192L * (temp_size - 1)) / (out_size - 1); + if (*resize_coeff >= 16384L) { + dev_err(ipu_data.dev, "Warning! Overflow on resize coeff.\n"); + *resize_coeff = 0x3FFF; + } + + dev_dbg(ipu_data.dev, "resizing from %u -> %u pixels, " + "downsize=%u, resize=%u.%lu (reg=%u)\n", in_size, out_size, + *downsize_coeff, *resize_coeff >= 8192L ? 1 : 0, + ((*resize_coeff & 0x1FFF) * 10000L) / 8192L, *resize_coeff); + + return 0; +} + +static enum ipu_color_space format_to_colorspace(enum pixel_fmt fmt) +{ + switch (fmt) { + case IPU_PIX_FMT_RGB565: + case IPU_PIX_FMT_BGR24: + case IPU_PIX_FMT_RGB24: + case IPU_PIX_FMT_BGR32: + case IPU_PIX_FMT_RGB32: + return IPU_COLORSPACE_RGB; + default: + return IPU_COLORSPACE_YCBCR; + } +} + +static int ipu_ic_init_prpenc(struct ipu *ipu, + union ipu_channel_param *params, bool src_is_csi) +{ + uint32_t reg, ic_conf; + uint32_t downsize_coeff, resize_coeff; + enum ipu_color_space in_fmt, out_fmt; + + /* Setup vertical resizing */ + calc_resize_coeffs(params->video.in_height, + params->video.out_height, + &resize_coeff, &downsize_coeff); + reg = (downsize_coeff << 30) | (resize_coeff << 16); + + /* Setup horizontal resizing */ + calc_resize_coeffs(params->video.in_width, + params->video.out_width, + &resize_coeff, &downsize_coeff); + reg |= (downsize_coeff << 14) | resize_coeff; + + /* Setup color space conversion */ + in_fmt = format_to_colorspace(params->video.in_pixel_fmt); + out_fmt = format_to_colorspace(params->video.out_pixel_fmt); + + /* + * Colourspace conversion unsupported yet - see _init_csc() in + * Freescale sources + */ + if (in_fmt != out_fmt) { + dev_err(ipu->dev, "Colourspace conversion unsupported!\n"); + return -EOPNOTSUPP; + } + + idmac_write_icreg(ipu, reg, IC_PRP_ENC_RSC); + + ic_conf = idmac_read_icreg(ipu, IC_CONF); + + if (src_is_csi) + ic_conf &= ~IC_CONF_RWS_EN; + else + ic_conf |= IC_CONF_RWS_EN; + + idmac_write_icreg(ipu, ic_conf, IC_CONF); + + return 0; +} + +static uint32_t dma_param_addr(uint32_t dma_ch) +{ + /* Channel Parameter Memory */ + return 0x10000 | (dma_ch << 4); +}; + +static void ipu_channel_set_priority(struct ipu *ipu, enum ipu_channel channel, + bool prio) +{ + u32 reg = idmac_read_icreg(ipu, IDMAC_CHA_PRI); + + if (prio) + reg |= 1UL << channel; + else + reg &= ~(1UL << channel); + + idmac_write_icreg(ipu, reg, IDMAC_CHA_PRI); + + dump_idmac_reg(ipu); +} + +static uint32_t ipu_channel_conf_mask(enum ipu_channel channel) +{ + uint32_t mask; + + switch (channel) { + case IDMAC_IC_0: + case IDMAC_IC_7: + mask = IPU_CONF_CSI_EN | IPU_CONF_IC_EN; + break; + case IDMAC_SDC_0: + case IDMAC_SDC_1: + mask = IPU_CONF_SDC_EN | IPU_CONF_DI_EN; + break; + default: + mask = 0; + break; + } + + return mask; +} + +/** + * ipu_enable_channel() - enable an IPU channel. + * @channel: channel ID. + * @return: 0 on success or negative error code on failure. + */ +static int ipu_enable_channel(struct idmac *idmac, struct idmac_channel *ichan) +{ + struct ipu *ipu = to_ipu(idmac); + enum ipu_channel channel = ichan->dma_chan.chan_id; + uint32_t reg; + unsigned long flags; + + spin_lock_irqsave(&ipu->lock, flags); + + /* Reset to buffer 0 */ + idmac_write_ipureg(ipu, 1UL << channel, IPU_CHA_CUR_BUF); + ichan->active_buffer = 0; + ichan->status = IPU_CHANNEL_ENABLED; + + switch (channel) { + case IDMAC_SDC_0: + case IDMAC_SDC_1: + case IDMAC_IC_7: + ipu_channel_set_priority(ipu, channel, true); + default: + break; + } + + reg = idmac_read_icreg(ipu, IDMAC_CHA_EN); + + idmac_write_icreg(ipu, reg | (1UL << channel), IDMAC_CHA_EN); + + ipu_ic_enable_task(ipu, channel); + + spin_unlock_irqrestore(&ipu->lock, flags); + return 0; +} + +/** + * ipu_init_channel_buffer() - initialize a buffer for logical IPU channel. + * @channel: channel ID. + * @pixel_fmt: pixel format of buffer. Pixel format is a FOURCC ASCII code. + * @width: width of buffer in pixels. + * @height: height of buffer in pixels. + * @stride: stride length of buffer in pixels. + * @rot_mode: rotation mode of buffer. A rotation setting other than + * IPU_ROTATE_VERT_FLIP should only be used for input buffers of + * rotation channels. + * @phyaddr_0: buffer 0 physical address. + * @phyaddr_1: buffer 1 physical address. Setting this to a value other than + * NULL enables double buffering mode. + * @return: 0 on success or negative error code on failure. + */ +static int ipu_init_channel_buffer(struct idmac_channel *ichan, + enum pixel_fmt pixel_fmt, + uint16_t width, uint16_t height, + uint32_t stride, + enum ipu_rotate_mode rot_mode, + dma_addr_t phyaddr_0, dma_addr_t phyaddr_1) +{ + enum ipu_channel channel = ichan->dma_chan.chan_id; + struct idmac *idmac = to_idmac(ichan->dma_chan.device); + struct ipu *ipu = to_ipu(idmac); + union chan_param_mem params = {}; + unsigned long flags; + uint32_t reg; + uint32_t stride_bytes; + + stride_bytes = stride * bytes_per_pixel(pixel_fmt); + + if (stride_bytes % 4) { + dev_err(ipu->dev, + "Stride length must be 32-bit aligned, stride = %d, bytes = %d\n", + stride, stride_bytes); + return -EINVAL; + } + + /* IC channel's stride must be a multiple of 8 pixels */ + if ((channel <= 13) && (stride % 8)) { + dev_err(ipu->dev, "Stride must be 8 pixel multiple\n"); + return -EINVAL; + } + + /* Build parameter memory data for DMA channel */ + ipu_ch_param_set_size(¶ms, pixel_fmt, width, height, stride_bytes); + ipu_ch_param_set_buffer(¶ms, phyaddr_0, phyaddr_1); + ipu_ch_param_set_rotation(¶ms, rot_mode); + /* Some channels (rotation) have restriction on burst length */ + switch (channel) { + case IDMAC_IC_7: /* Hangs with burst 8, 16, other values + invalid - Table 44-30 */ +/* + ipu_ch_param_set_burst_size(¶ms, 8); + */ + break; + case IDMAC_SDC_0: + case IDMAC_SDC_1: + /* In original code only IPU_PIX_FMT_RGB565 was setting burst */ + ipu_ch_param_set_burst_size(¶ms, 16); + break; + case IDMAC_IC_0: + default: + break; + } + + spin_lock_irqsave(&ipu->lock, flags); + + ipu_write_param_mem(dma_param_addr(channel), (uint32_t *)¶ms, 10); + + reg = idmac_read_ipureg(ipu, IPU_CHA_DB_MODE_SEL); + + if (phyaddr_1) + reg |= 1UL << channel; + else + reg &= ~(1UL << channel); + + idmac_write_ipureg(ipu, reg, IPU_CHA_DB_MODE_SEL); + + ichan->status = IPU_CHANNEL_READY; + + spin_unlock_irqrestore(ipu->lock, flags); + + return 0; +} + +/** + * ipu_select_buffer() - mark a channel's buffer as ready. + * @channel: channel ID. + * @buffer_n: buffer number to mark ready. + */ +static void ipu_select_buffer(enum ipu_channel channel, int buffer_n) +{ + /* No locking - this is a write-one-to-set register, cleared by IPU */ + if (buffer_n == 0) + /* Mark buffer 0 as ready. */ + idmac_write_ipureg(&ipu_data, 1UL << channel, IPU_CHA_BUF0_RDY); + else + /* Mark buffer 1 as ready. */ + idmac_write_ipureg(&ipu_data, 1UL << channel, IPU_CHA_BUF1_RDY); +} + +/** + * ipu_update_channel_buffer() - update physical address of a channel buffer. + * @channel: channel ID. + * @buffer_n: buffer number to update. + * 0 or 1 are the only valid values. + * @phyaddr: buffer physical address. + * @return: Returns 0 on success or negative error code on failure. This + * function will fail if the buffer is set to ready. + */ +/* Called under spin_lock(_irqsave)(&ichan->lock) */ +static int ipu_update_channel_buffer(enum ipu_channel channel, + int buffer_n, dma_addr_t phyaddr) +{ + uint32_t reg; + unsigned long flags; + + spin_lock_irqsave(&ipu_data.lock, flags); + + if (buffer_n == 0) { + reg = idmac_read_ipureg(&ipu_data, IPU_CHA_BUF0_RDY); + if (reg & (1UL << channel)) { + spin_unlock_irqrestore(&ipu_data.lock, flags); + return -EACCES; + } + + /* 44.3.3.1.9 - Row Number 1 (WORD1, offset 0) */ + idmac_write_ipureg(&ipu_data, dma_param_addr(channel) + + 0x0008UL, IPU_IMA_ADDR); + idmac_write_ipureg(&ipu_data, phyaddr, IPU_IMA_DATA); + } else { + reg = idmac_read_ipureg(&ipu_data, IPU_CHA_BUF1_RDY); + if (reg & (1UL << channel)) { + spin_unlock_irqrestore(&ipu_data.lock, flags); + return -EACCES; + } + + /* Check if double-buffering is already enabled */ + reg = idmac_read_ipureg(&ipu_data, IPU_CHA_DB_MODE_SEL); + + if (!(reg & (1UL << channel))) + idmac_write_ipureg(&ipu_data, reg | (1UL << channel), + IPU_CHA_DB_MODE_SEL); + + /* 44.3.3.1.9 - Row Number 1 (WORD1, offset 1) */ + idmac_write_ipureg(&ipu_data, dma_param_addr(channel) + + 0x0009UL, IPU_IMA_ADDR); + idmac_write_ipureg(&ipu_data, phyaddr, IPU_IMA_DATA); + } + + spin_unlock_irqrestore(&ipu_data.lock, flags); + + return 0; +} + +/* Called under spin_lock_irqsave(&ichan->lock) */ +static int ipu_submit_channel_buffers(struct idmac_channel *ichan, + struct idmac_tx_desc *desc) +{ + struct scatterlist *sg; + int i, ret = 0; + + for (i = 0, sg = desc->sg; i < 2 && sg; i++) { + if (!ichan->sg[i]) { + ichan->sg[i] = sg; + + /* + * On first invocation this shouldn't be necessary, the + * call to ipu_init_channel_buffer() above will set + * addresses for us, so we could make it conditional + * on status >= IPU_CHANNEL_ENABLED, but doing it again + * shouldn't hurt either. + */ + ret = ipu_update_channel_buffer(ichan->dma_chan.chan_id, i, + sg_dma_address(sg)); + if (ret < 0) + return ret; + + ipu_select_buffer(ichan->dma_chan.chan_id, i); + + sg = sg_next(sg); + } + } + + return ret; +} + +static dma_cookie_t idmac_tx_submit(struct dma_async_tx_descriptor *tx) +{ + struct idmac_tx_desc *desc = to_tx_desc(tx); + struct idmac_channel *ichan = to_idmac_chan(tx->chan); + struct idmac *idmac = to_idmac(tx->chan->device); + struct ipu *ipu = to_ipu(idmac); + dma_cookie_t cookie; + unsigned long flags; + + /* Sanity check */ + if (!list_empty(&desc->list)) { + /* The descriptor doesn't belong to client */ + dev_err(&ichan->dma_chan.dev->device, + "Descriptor %p not prepared!\n", tx); + return -EBUSY; + } + + mutex_lock(&ichan->chan_mutex); + + if (ichan->status < IPU_CHANNEL_READY) { + struct idmac_video_param *video = &ichan->params.video; + /* + * Initial buffer assignment - the first two sg-entries from + * the descriptor will end up in the IDMAC buffers + */ + dma_addr_t dma_1 = sg_is_last(desc->sg) ? 0 : + sg_dma_address(&desc->sg[1]); + + WARN_ON(ichan->sg[0] || ichan->sg[1]); + + cookie = ipu_init_channel_buffer(ichan, + video->out_pixel_fmt, + video->out_width, + video->out_height, + video->out_stride, + IPU_ROTATE_NONE, + sg_dma_address(&desc->sg[0]), + dma_1); + if (cookie < 0) + goto out; + } + + /* ipu->lock can be taken under ichan->lock, but not v.v. */ + spin_lock_irqsave(&ichan->lock, flags); + + /* submit_buffers() atomically verifies and fills empty sg slots */ + cookie = ipu_submit_channel_buffers(ichan, desc); + + spin_unlock_irqrestore(&ichan->lock, flags); + + if (cookie < 0) + goto out; + + cookie = ichan->dma_chan.cookie; + + if (++cookie < 0) + cookie = 1; + + /* from dmaengine.h: "last cookie value returned to client" */ + ichan->dma_chan.cookie = cookie; + tx->cookie = cookie; + spin_lock_irqsave(&ichan->lock, flags); + list_add_tail(&desc->list, &ichan->queue); + spin_unlock_irqrestore(&ichan->lock, flags); + + if (ichan->status < IPU_CHANNEL_ENABLED) { + int ret = ipu_enable_channel(idmac, ichan); + if (ret < 0) { + cookie = ret; + spin_lock_irqsave(&ichan->lock, flags); + list_del_init(&desc->list); + spin_unlock_irqrestore(&ichan->lock, flags); + tx->cookie = cookie; + ichan->dma_chan.cookie = cookie; + } + } + + dump_idmac_reg(ipu); + +out: + mutex_unlock(&ichan->chan_mutex); + + return cookie; +} + +/* Called with ichan->chan_mutex held */ +static int idmac_desc_alloc(struct idmac_channel *ichan, int n) +{ + struct idmac_tx_desc *desc = vmalloc(n * sizeof(struct idmac_tx_desc)); + struct idmac *idmac = to_idmac(ichan->dma_chan.device); + + if (!desc) + return -ENOMEM; + + /* No interrupts, just disable the tasklet for a moment */ + tasklet_disable(&to_ipu(idmac)->tasklet); + + ichan->n_tx_desc = n; + ichan->desc = desc; + INIT_LIST_HEAD(&ichan->queue); + INIT_LIST_HEAD(&ichan->free_list); + + while (n--) { + struct dma_async_tx_descriptor *txd = &desc->txd; + + memset(txd, 0, sizeof(*txd)); + dma_async_tx_descriptor_init(txd, &ichan->dma_chan); + txd->tx_submit = idmac_tx_submit; + txd->chan = &ichan->dma_chan; + INIT_LIST_HEAD(&txd->tx_list); + + list_add(&desc->list, &ichan->free_list); + + desc++; + } + + tasklet_enable(&to_ipu(idmac)->tasklet); + + return 0; +} + +/** + * ipu_init_channel() - initialize an IPU channel. + * @idmac: IPU DMAC context. + * @ichan: pointer to the channel object. + * @return 0 on success or negative error code on failure. + */ +static int ipu_init_channel(struct idmac *idmac, struct idmac_channel *ichan) +{ + union ipu_channel_param *params = &ichan->params; + uint32_t ipu_conf; + enum ipu_channel channel = ichan->dma_chan.chan_id; + unsigned long flags; + uint32_t reg; + struct ipu *ipu = to_ipu(idmac); + int ret = 0, n_desc = 0; + + dev_dbg(ipu->dev, "init channel = %d\n", channel); + + if (channel != IDMAC_SDC_0 && channel != IDMAC_SDC_1 && + channel != IDMAC_IC_7) + return -EINVAL; + + spin_lock_irqsave(&ipu->lock, flags); + + switch (channel) { + case IDMAC_IC_7: + n_desc = 16; + reg = idmac_read_icreg(ipu, IC_CONF); + idmac_write_icreg(ipu, reg & ~IC_CONF_CSI_MEM_WR_EN, IC_CONF); + break; + case IDMAC_IC_0: + n_desc = 16; + reg = idmac_read_ipureg(ipu, IPU_FS_PROC_FLOW); + idmac_write_ipureg(ipu, reg & ~FS_ENC_IN_VALID, IPU_FS_PROC_FLOW); + ret = ipu_ic_init_prpenc(ipu, params, true); + break; + case IDMAC_SDC_0: + case IDMAC_SDC_1: + n_desc = 4; + default: + break; + } + + ipu->channel_init_mask |= 1L << channel; + + /* Enable IPU sub module */ + ipu_conf = idmac_read_ipureg(ipu, IPU_CONF) | + ipu_channel_conf_mask(channel); + idmac_write_ipureg(ipu, ipu_conf, IPU_CONF); + + spin_unlock_irqrestore(&ipu->lock, flags); + + if (n_desc && !ichan->desc) + ret = idmac_desc_alloc(ichan, n_desc); + + dump_idmac_reg(ipu); + + return ret; +} + +/** + * ipu_uninit_channel() - uninitialize an IPU channel. + * @idmac: IPU DMAC context. + * @ichan: pointer to the channel object. + */ +static void ipu_uninit_channel(struct idmac *idmac, struct idmac_channel *ichan) +{ + enum ipu_channel channel = ichan->dma_chan.chan_id; + unsigned long flags; + uint32_t reg; + unsigned long chan_mask = 1UL << channel; + uint32_t ipu_conf; + struct ipu *ipu = to_ipu(idmac); + + spin_lock_irqsave(&ipu->lock, flags); + + if (!(ipu->channel_init_mask & chan_mask)) { + dev_err(ipu->dev, "Channel already uninitialized %d\n", + channel); + spin_unlock_irqrestore(&ipu->lock, flags); + return; + } + + /* Reset the double buffer */ + reg = idmac_read_ipureg(ipu, IPU_CHA_DB_MODE_SEL); + idmac_write_ipureg(ipu, reg & ~chan_mask, IPU_CHA_DB_MODE_SEL); + + ichan->sec_chan_en = false; + + switch (channel) { + case IDMAC_IC_7: + reg = idmac_read_icreg(ipu, IC_CONF); + idmac_write_icreg(ipu, reg & ~(IC_CONF_RWS_EN | IC_CONF_PRPENC_EN), + IC_CONF); + break; + case IDMAC_IC_0: + reg = idmac_read_icreg(ipu, IC_CONF); + idmac_write_icreg(ipu, reg & ~(IC_CONF_PRPENC_EN | IC_CONF_PRPENC_CSC1), + IC_CONF); + break; + case IDMAC_SDC_0: + case IDMAC_SDC_1: + default: + break; + } + + ipu->channel_init_mask &= ~(1L << channel); + + ipu_conf = idmac_read_ipureg(ipu, IPU_CONF) & + ~ipu_channel_conf_mask(channel); + idmac_write_ipureg(ipu, ipu_conf, IPU_CONF); + + spin_unlock_irqrestore(&ipu->lock, flags); + + ichan->n_tx_desc = 0; + vfree(ichan->desc); + ichan->desc = NULL; +} + +/** + * ipu_disable_channel() - disable an IPU channel. + * @idmac: IPU DMAC context. + * @ichan: channel object pointer. + * @wait_for_stop: flag to set whether to wait for channel end of frame or + * return immediately. + * @return: 0 on success or negative error code on failure. + */ +static int ipu_disable_channel(struct idmac *idmac, struct idmac_channel *ichan, + bool wait_for_stop) +{ + enum ipu_channel channel = ichan->dma_chan.chan_id; + struct ipu *ipu = to_ipu(idmac); + uint32_t reg; + unsigned long flags; + unsigned long chan_mask = 1UL << channel; + unsigned int timeout; + + if (wait_for_stop && channel != IDMAC_SDC_1 && channel != IDMAC_SDC_0) { + timeout = 40; + /* This waiting always fails. Related to spurious irq problem */ + while ((idmac_read_icreg(ipu, IDMAC_CHA_BUSY) & chan_mask) || + (ipu_channel_status(ipu, channel) == TASK_STAT_ACTIVE)) { + timeout--; + msleep(10); + + if (!timeout) { + dev_dbg(ipu->dev, + "Warning: timeout waiting for channel %u to " + "stop: buf0_rdy = 0x%08X, buf1_rdy = 0x%08X, " + "busy = 0x%08X, tstat = 0x%08X\n", channel, + idmac_read_ipureg(ipu, IPU_CHA_BUF0_RDY), + idmac_read_ipureg(ipu, IPU_CHA_BUF1_RDY), + idmac_read_icreg(ipu, IDMAC_CHA_BUSY), + idmac_read_ipureg(ipu, IPU_TASKS_STAT)); + break; + } + } + dev_dbg(ipu->dev, "timeout = %d * 10ms\n", 40 - timeout); + } + /* SDC BG and FG must be disabled before DMA is disabled */ + if (wait_for_stop && (channel == IDMAC_SDC_0 || + channel == IDMAC_SDC_1)) { + for (timeout = 5; + timeout && !ipu_irq_status(ichan->eof_irq); timeout--) + msleep(5); + } + + spin_lock_irqsave(&ipu->lock, flags); + + /* Disable IC task */ + ipu_ic_disable_task(ipu, channel); + + /* Disable DMA channel(s) */ + reg = idmac_read_icreg(ipu, IDMAC_CHA_EN); + idmac_write_icreg(ipu, reg & ~chan_mask, IDMAC_CHA_EN); + + /* + * Problem (observed with channel DMAIC_7): after enabling the channel + * and initialising buffers, there comes an interrupt with current still + * pointing at buffer 0, whereas it should use buffer 0 first and only + * generate an interrupt when it is done, then current should already + * point to buffer 1. This spurious interrupt also comes on channel + * DMASDC_0. With DMAIC_7 normally, is we just leave the ISR after the + * first interrupt, there comes the second with current correctly + * pointing to buffer 1 this time. But sometimes this second interrupt + * doesn't come and the channel hangs. Clearing BUFx_RDY when disabling + * the channel seems to prevent the channel from hanging, but it doesn't + * prevent the spurious interrupt. This might also be unsafe. Think + * about the IDMAC controller trying to switch to a buffer, when we + * clear the ready bit, and re-enable it a moment later. + */ + reg = idmac_read_ipureg(ipu, IPU_CHA_BUF0_RDY); + idmac_write_ipureg(ipu, 0, IPU_CHA_BUF0_RDY); + idmac_write_ipureg(ipu, reg & ~(1UL << channel), IPU_CHA_BUF0_RDY); + + reg = idmac_read_ipureg(ipu, IPU_CHA_BUF1_RDY); + idmac_write_ipureg(ipu, 0, IPU_CHA_BUF1_RDY); + idmac_write_ipureg(ipu, reg & ~(1UL << channel), IPU_CHA_BUF1_RDY); + + spin_unlock_irqrestore(&ipu->lock, flags); + + return 0; +} + +/* + * We have several possibilities here: + * current BUF next BUF + * + * not last sg next not last sg + * not last sg next last sg + * last sg first sg from next descriptor + * last sg NULL + * + * Besides, the descriptor queue might be empty or not. We process all these + * cases carefully. + */ +static irqreturn_t idmac_interrupt(int irq, void *dev_id) +{ + struct idmac_channel *ichan = dev_id; + unsigned int chan_id = ichan->dma_chan.chan_id; + struct scatterlist **sg, *sgnext, *sgnew = NULL; + /* Next transfer descriptor */ + struct idmac_tx_desc *desc = NULL, *descnew; + dma_async_tx_callback callback; + void *callback_param; + bool done = false; + u32 ready0 = idmac_read_ipureg(&ipu_data, IPU_CHA_BUF0_RDY), + ready1 = idmac_read_ipureg(&ipu_data, IPU_CHA_BUF1_RDY), + curbuf = idmac_read_ipureg(&ipu_data, IPU_CHA_CUR_BUF); + + /* IDMAC has cleared the respective BUFx_RDY bit, we manage the buffer */ + + pr_debug("IDMAC irq %d\n", irq); + /* Other interrupts do not interfere with this channel */ + spin_lock(&ichan->lock); + + if (unlikely(chan_id != IDMAC_SDC_0 && chan_id != IDMAC_SDC_1 && + ((curbuf >> chan_id) & 1) == ichan->active_buffer)) { + int i = 100; + + /* This doesn't help. See comment in ipu_disable_channel() */ + while (--i) { + curbuf = idmac_read_ipureg(&ipu_data, IPU_CHA_CUR_BUF); + if (((curbuf >> chan_id) & 1) != ichan->active_buffer) + break; + cpu_relax(); + } + + if (!i) { + spin_unlock(&ichan->lock); + dev_dbg(ichan->dma_chan.device->dev, + "IRQ on active buffer on channel %x, active " + "%d, ready %x, %x, current %x!\n", chan_id, + ichan->active_buffer, ready0, ready1, curbuf); + return IRQ_NONE; + } + } + + if (unlikely((ichan->active_buffer && (ready1 >> chan_id) & 1) || + (!ichan->active_buffer && (ready0 >> chan_id) & 1) + )) { + spin_unlock(&ichan->lock); + dev_dbg(ichan->dma_chan.device->dev, + "IRQ with active buffer still ready on channel %x, " + "active %d, ready %x, %x!\n", chan_id, + ichan->active_buffer, ready0, ready1); + return IRQ_NONE; + } + + if (unlikely(list_empty(&ichan->queue))) { + spin_unlock(&ichan->lock); + dev_err(ichan->dma_chan.device->dev, + "IRQ without queued buffers on channel %x, active %d, " + "ready %x, %x!\n", chan_id, + ichan->active_buffer, ready0, ready1); + return IRQ_NONE; + } + + /* + * active_buffer is a software flag, it shows which buffer we are + * currently expecting back from the hardware, IDMAC should be + * processing the other buffer already + */ + sg = &ichan->sg[ichan->active_buffer]; + sgnext = ichan->sg[!ichan->active_buffer]; + + /* + * if sgnext == NULL sg must be the last element in a scatterlist and + * queue must be empty + */ + if (unlikely(!sgnext)) { + if (unlikely(sg_next(*sg))) { + dev_err(ichan->dma_chan.device->dev, + "Broken buffer-update locking on channel %x!\n", + chan_id); + /* We'll let the user catch up */ + } else { + /* Underrun */ + ipu_ic_disable_task(&ipu_data, chan_id); + dev_dbg(ichan->dma_chan.device->dev, + "Underrun on channel %x\n", chan_id); + ichan->status = IPU_CHANNEL_READY; + /* Continue to check for complete descriptor */ + } + } + + desc = list_entry(ichan->queue.next, struct idmac_tx_desc, list); + + /* First calculate and submit the next sg element */ + if (likely(sgnext)) + sgnew = sg_next(sgnext); + + if (unlikely(!sgnew)) { + /* Start a new scatterlist, if any queued */ + if (likely(desc->list.next != &ichan->queue)) { + descnew = list_entry(desc->list.next, + struct idmac_tx_desc, list); + sgnew = &descnew->sg[0]; + } + } + + if (unlikely(!sg_next(*sg)) || !sgnext) { + /* + * Last element in scatterlist done, remove from the queue, + * _init for debugging + */ + list_del_init(&desc->list); + done = true; + } + + *sg = sgnew; + + if (likely(sgnew)) { + int ret; + + ret = ipu_update_channel_buffer(chan_id, ichan->active_buffer, + sg_dma_address(*sg)); + if (ret < 0) + dev_err(ichan->dma_chan.device->dev, + "Failed to update buffer on channel %x buffer %d!\n", + chan_id, ichan->active_buffer); + else + ipu_select_buffer(chan_id, ichan->active_buffer); + } + + /* Flip the active buffer - even if update above failed */ + ichan->active_buffer = !ichan->active_buffer; + if (done) + ichan->completed = desc->txd.cookie; + + callback = desc->txd.callback; + callback_param = desc->txd.callback_param; + + spin_unlock(&ichan->lock); + + if (done && (desc->txd.flags & DMA_PREP_INTERRUPT) && callback) + callback(callback_param); + + return IRQ_HANDLED; +} + +static void ipu_gc_tasklet(unsigned long arg) +{ + struct ipu *ipu = (struct ipu *)arg; + int i; + + for (i = 0; i < IPU_CHANNELS_NUM; i++) { + struct idmac_channel *ichan = ipu->channel + i; + struct idmac_tx_desc *desc; + unsigned long flags; + int j; + + for (j = 0; j < ichan->n_tx_desc; j++) { + desc = ichan->desc + j; + spin_lock_irqsave(&ichan->lock, flags); + if (async_tx_test_ack(&desc->txd)) { + list_move(&desc->list, &ichan->free_list); + async_tx_clear_ack(&desc->txd); + } + spin_unlock_irqrestore(&ichan->lock, flags); + } + } +} + +/* + * At the time .device_alloc_chan_resources() method is called, we cannot know, + * whether the client will accept the channel. Thus we must only check, if we + * can satisfy client's request but the only real criterion to verify, whether + * the client has accepted our offer is the client_count. That's why we have to + * perform the rest of our allocation tasks on the first call to this function. + */ +static struct dma_async_tx_descriptor *idmac_prep_slave_sg(struct dma_chan *chan, + struct scatterlist *sgl, unsigned int sg_len, + enum dma_data_direction direction, unsigned long tx_flags) +{ + struct idmac_channel *ichan = to_idmac_chan(chan); + struct idmac_tx_desc *desc = NULL; + struct dma_async_tx_descriptor *txd = NULL; + unsigned long flags; + + /* We only can handle these three channels so far */ + if (ichan->dma_chan.chan_id != IDMAC_SDC_0 && ichan->dma_chan.chan_id != IDMAC_SDC_1 && + ichan->dma_chan.chan_id != IDMAC_IC_7) + return NULL; + + if (direction != DMA_FROM_DEVICE && direction != DMA_TO_DEVICE) { + dev_err(chan->device->dev, "Invalid DMA direction %d!\n", direction); + return NULL; + } + + mutex_lock(&ichan->chan_mutex); + + spin_lock_irqsave(&ichan->lock, flags); + if (!list_empty(&ichan->free_list)) { + desc = list_entry(ichan->free_list.next, + struct idmac_tx_desc, list); + + list_del_init(&desc->list); + + desc->sg_len = sg_len; + desc->sg = sgl; + txd = &desc->txd; + txd->flags = tx_flags; + } + spin_unlock_irqrestore(&ichan->lock, flags); + + mutex_unlock(&ichan->chan_mutex); + + tasklet_schedule(&to_ipu(to_idmac(chan->device))->tasklet); + + return txd; +} + +/* Re-select the current buffer and re-activate the channel */ +static void idmac_issue_pending(struct dma_chan *chan) +{ + struct idmac_channel *ichan = to_idmac_chan(chan); + struct idmac *idmac = to_idmac(chan->device); + struct ipu *ipu = to_ipu(idmac); + unsigned long flags; + + /* This is not always needed, but doesn't hurt either */ + spin_lock_irqsave(&ipu->lock, flags); + ipu_select_buffer(ichan->dma_chan.chan_id, ichan->active_buffer); + spin_unlock_irqrestore(&ipu->lock, flags); + + /* + * Might need to perform some parts of initialisation from + * ipu_enable_channel(), but not all, we do not want to reset to buffer + * 0, don't need to set priority again either, but re-enabling the task + * and the channel might be a good idea. + */ +} + +static void __idmac_terminate_all(struct dma_chan *chan) +{ + struct idmac_channel *ichan = to_idmac_chan(chan); + struct idmac *idmac = to_idmac(chan->device); + unsigned long flags; + int i; + + ipu_disable_channel(idmac, ichan, + ichan->status >= IPU_CHANNEL_ENABLED); + + tasklet_disable(&to_ipu(idmac)->tasklet); + + /* ichan->queue is modified in ISR, have to spinlock */ + spin_lock_irqsave(&ichan->lock, flags); + list_splice_init(&ichan->queue, &ichan->free_list); + + if (ichan->desc) + for (i = 0; i < ichan->n_tx_desc; i++) { + struct idmac_tx_desc *desc = ichan->desc + i; + if (list_empty(&desc->list)) + /* Descriptor was prepared, but not submitted */ + list_add(&desc->list, + &ichan->free_list); + + async_tx_clear_ack(&desc->txd); + } + + ichan->sg[0] = NULL; + ichan->sg[1] = NULL; + spin_unlock_irqrestore(&ichan->lock, flags); + + tasklet_enable(&to_ipu(idmac)->tasklet); + + ichan->status = IPU_CHANNEL_INITIALIZED; +} + +static void idmac_terminate_all(struct dma_chan *chan) +{ + struct idmac_channel *ichan = to_idmac_chan(chan); + + mutex_lock(&ichan->chan_mutex); + + __idmac_terminate_all(chan); + + mutex_unlock(&ichan->chan_mutex); +} + +static int idmac_alloc_chan_resources(struct dma_chan *chan) +{ + struct idmac_channel *ichan = to_idmac_chan(chan); + struct idmac *idmac = to_idmac(chan->device); + int ret; + + /* dmaengine.c now guarantees to only offer free channels */ + BUG_ON(chan->client_count > 1); + WARN_ON(ichan->status != IPU_CHANNEL_FREE); + + chan->cookie = 1; + ichan->completed = -ENXIO; + + ret = ipu_irq_map(ichan->dma_chan.chan_id); + if (ret < 0) + goto eimap; + + ichan->eof_irq = ret; + ret = request_irq(ichan->eof_irq, idmac_interrupt, 0, + ichan->eof_name, ichan); + if (ret < 0) + goto erirq; + + ret = ipu_init_channel(idmac, ichan); + if (ret < 0) + goto eichan; + + ichan->status = IPU_CHANNEL_INITIALIZED; + + dev_dbg(&ichan->dma_chan.dev->device, "Found channel 0x%x, irq %d\n", + ichan->dma_chan.chan_id, ichan->eof_irq); + + return ret; + +eichan: + free_irq(ichan->eof_irq, ichan); +erirq: + ipu_irq_unmap(ichan->dma_chan.chan_id); +eimap: + return ret; +} + +static void idmac_free_chan_resources(struct dma_chan *chan) +{ + struct idmac_channel *ichan = to_idmac_chan(chan); + struct idmac *idmac = to_idmac(chan->device); + + mutex_lock(&ichan->chan_mutex); + + __idmac_terminate_all(chan); + + if (ichan->status > IPU_CHANNEL_FREE) { + free_irq(ichan->eof_irq, ichan); + ipu_irq_unmap(ichan->dma_chan.chan_id); + } + + ichan->status = IPU_CHANNEL_FREE; + + ipu_uninit_channel(idmac, ichan); + + mutex_unlock(&ichan->chan_mutex); + + tasklet_schedule(&to_ipu(idmac)->tasklet); +} + +static enum dma_status idmac_is_tx_complete(struct dma_chan *chan, + dma_cookie_t cookie, dma_cookie_t *done, dma_cookie_t *used) +{ + struct idmac_channel *ichan = to_idmac_chan(chan); + + if (done) + *done = ichan->completed; + if (used) + *used = chan->cookie; + if (cookie != chan->cookie) + return DMA_ERROR; + return DMA_SUCCESS; +} + +static int __init ipu_idmac_init(struct ipu *ipu) +{ + struct idmac *idmac = &ipu->idmac; + struct dma_device *dma = &idmac->dma; + int i; + + dma_cap_set(DMA_SLAVE, dma->cap_mask); + dma_cap_set(DMA_PRIVATE, dma->cap_mask); + + /* Compulsory common fields */ + dma->dev = ipu->dev; + dma->device_alloc_chan_resources = idmac_alloc_chan_resources; + dma->device_free_chan_resources = idmac_free_chan_resources; + dma->device_is_tx_complete = idmac_is_tx_complete; + dma->device_issue_pending = idmac_issue_pending; + + /* Compulsory for DMA_SLAVE fields */ + dma->device_prep_slave_sg = idmac_prep_slave_sg; + dma->device_terminate_all = idmac_terminate_all; + + INIT_LIST_HEAD(&dma->channels); + for (i = 0; i < IPU_CHANNELS_NUM; i++) { + struct idmac_channel *ichan = ipu->channel + i; + struct dma_chan *dma_chan = &ichan->dma_chan; + + spin_lock_init(&ichan->lock); + mutex_init(&ichan->chan_mutex); + + ichan->status = IPU_CHANNEL_FREE; + ichan->sec_chan_en = false; + ichan->completed = -ENXIO; + snprintf(ichan->eof_name, sizeof(ichan->eof_name), "IDMAC EOF %d", i); + + dma_chan->device = &idmac->dma; + dma_chan->cookie = 1; + dma_chan->chan_id = i; + list_add_tail(&ichan->dma_chan.device_node, &dma->channels); + } + + idmac_write_icreg(ipu, 0x00000070, IDMAC_CONF); + + return dma_async_device_register(&idmac->dma); +} + +static void ipu_idmac_exit(struct ipu *ipu) +{ + int i; + struct idmac *idmac = &ipu->idmac; + + for (i = 0; i < IPU_CHANNELS_NUM; i++) { + struct idmac_channel *ichan = ipu->channel + i; + + idmac_terminate_all(&ichan->dma_chan); + idmac_prep_slave_sg(&ichan->dma_chan, NULL, 0, DMA_NONE, 0); + } + + dma_async_device_unregister(&idmac->dma); +} + +/***************************************************************************** + * IPU common probe / remove + */ + +static int ipu_probe(struct platform_device *pdev) +{ + struct ipu_platform_data *pdata = pdev->dev.platform_data; + struct resource *mem_ipu, *mem_ic; + int ret; + + spin_lock_init(&ipu_data.lock); + + mem_ipu = platform_get_resource(pdev, IORESOURCE_MEM, 0); + mem_ic = platform_get_resource(pdev, IORESOURCE_MEM, 1); + if (!pdata || !mem_ipu || !mem_ic) + return -EINVAL; + + ipu_data.dev = &pdev->dev; + + platform_set_drvdata(pdev, &ipu_data); + + ret = platform_get_irq(pdev, 0); + if (ret < 0) + goto err_noirq; + + ipu_data.irq_fn = ret; + ret = platform_get_irq(pdev, 1); + if (ret < 0) + goto err_noirq; + + ipu_data.irq_err = ret; + ipu_data.irq_base = pdata->irq_base; + + dev_dbg(&pdev->dev, "fn irq %u, err irq %u, irq-base %u\n", + ipu_data.irq_fn, ipu_data.irq_err, ipu_data.irq_base); + + /* Remap IPU common registers */ + ipu_data.reg_ipu = ioremap(mem_ipu->start, + mem_ipu->end - mem_ipu->start + 1); + if (!ipu_data.reg_ipu) { + ret = -ENOMEM; + goto err_ioremap_ipu; + } + + /* Remap Image Converter and Image DMA Controller registers */ + ipu_data.reg_ic = ioremap(mem_ic->start, + mem_ic->end - mem_ic->start + 1); + if (!ipu_data.reg_ic) { + ret = -ENOMEM; + goto err_ioremap_ic; + } + + /* Get IPU clock */ + ipu_data.ipu_clk = clk_get(&pdev->dev, "ipu_clk"); + if (IS_ERR(ipu_data.ipu_clk)) { + ret = PTR_ERR(ipu_data.ipu_clk); + goto err_clk_get; + } + + /* Make sure IPU HSP clock is running */ + clk_enable(ipu_data.ipu_clk); + + /* Disable all interrupts */ + idmac_write_ipureg(&ipu_data, 0, IPU_INT_CTRL_1); + idmac_write_ipureg(&ipu_data, 0, IPU_INT_CTRL_2); + idmac_write_ipureg(&ipu_data, 0, IPU_INT_CTRL_3); + idmac_write_ipureg(&ipu_data, 0, IPU_INT_CTRL_4); + idmac_write_ipureg(&ipu_data, 0, IPU_INT_CTRL_5); + + dev_dbg(&pdev->dev, "%s @ 0x%08lx, fn irq %u, err irq %u\n", pdev->name, + (unsigned long)mem_ipu->start, ipu_data.irq_fn, ipu_data.irq_err); + + ret = ipu_irq_attach_irq(&ipu_data, pdev); + if (ret < 0) + goto err_attach_irq; + + /* Initialize DMA engine */ + ret = ipu_idmac_init(&ipu_data); + if (ret < 0) + goto err_idmac_init; + + tasklet_init(&ipu_data.tasklet, ipu_gc_tasklet, (unsigned long)&ipu_data); + + ipu_data.dev = &pdev->dev; + + dev_dbg(ipu_data.dev, "IPU initialized\n"); + + return 0; + +err_idmac_init: +err_attach_irq: + ipu_irq_detach_irq(&ipu_data, pdev); + clk_disable(ipu_data.ipu_clk); + clk_put(ipu_data.ipu_clk); +err_clk_get: + iounmap(ipu_data.reg_ic); +err_ioremap_ic: + iounmap(ipu_data.reg_ipu); +err_ioremap_ipu: +err_noirq: + dev_err(&pdev->dev, "Failed to probe IPU: %d\n", ret); + return ret; +} + +static int ipu_remove(struct platform_device *pdev) +{ + struct ipu *ipu = platform_get_drvdata(pdev); + + ipu_idmac_exit(ipu); + ipu_irq_detach_irq(ipu, pdev); + clk_disable(ipu->ipu_clk); + clk_put(ipu->ipu_clk); + iounmap(ipu->reg_ic); + iounmap(ipu->reg_ipu); + tasklet_kill(&ipu->tasklet); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +/* + * We need two MEM resources - with IPU-common and Image Converter registers, + * including PF_CONF and IDMAC_* registers, and two IRQs - function and error + */ +static struct platform_driver ipu_platform_driver = { + .driver = { + .name = "ipu-core", + .owner = THIS_MODULE, + }, + .remove = ipu_remove, +}; + +static int __init ipu_init(void) +{ + return platform_driver_probe(&ipu_platform_driver, ipu_probe); +} +subsys_initcall(ipu_init); + +MODULE_DESCRIPTION("IPU core driver"); +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Guennadi Liakhovetski <lg@denx.de>"); +MODULE_ALIAS("platform:ipu-core"); diff --git a/drivers/dma/ipu/ipu_intern.h b/drivers/dma/ipu/ipu_intern.h new file mode 100644 index 0000000..545cf11 --- /dev/null +++ b/drivers/dma/ipu/ipu_intern.h @@ -0,0 +1,176 @@ +/* + * Copyright (C) 2008 + * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> + * + * Copyright (C) 2005-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef _IPU_INTERN_H_ +#define _IPU_INTERN_H_ + +#include <linux/dmaengine.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> + +/* IPU Common registers */ +#define IPU_CONF 0x00 +#define IPU_CHA_BUF0_RDY 0x04 +#define IPU_CHA_BUF1_RDY 0x08 +#define IPU_CHA_DB_MODE_SEL 0x0C +#define IPU_CHA_CUR_BUF 0x10 +#define IPU_FS_PROC_FLOW 0x14 +#define IPU_FS_DISP_FLOW 0x18 +#define IPU_TASKS_STAT 0x1C +#define IPU_IMA_ADDR 0x20 +#define IPU_IMA_DATA 0x24 +#define IPU_INT_CTRL_1 0x28 +#define IPU_INT_CTRL_2 0x2C +#define IPU_INT_CTRL_3 0x30 +#define IPU_INT_CTRL_4 0x34 +#define IPU_INT_CTRL_5 0x38 +#define IPU_INT_STAT_1 0x3C +#define IPU_INT_STAT_2 0x40 +#define IPU_INT_STAT_3 0x44 +#define IPU_INT_STAT_4 0x48 +#define IPU_INT_STAT_5 0x4C +#define IPU_BRK_CTRL_1 0x50 +#define IPU_BRK_CTRL_2 0x54 +#define IPU_BRK_STAT 0x58 +#define IPU_DIAGB_CTRL 0x5C + +/* IPU_CONF Register bits */ +#define IPU_CONF_CSI_EN 0x00000001 +#define IPU_CONF_IC_EN 0x00000002 +#define IPU_CONF_ROT_EN 0x00000004 +#define IPU_CONF_PF_EN 0x00000008 +#define IPU_CONF_SDC_EN 0x00000010 +#define IPU_CONF_ADC_EN 0x00000020 +#define IPU_CONF_DI_EN 0x00000040 +#define IPU_CONF_DU_EN 0x00000080 +#define IPU_CONF_PXL_ENDIAN 0x00000100 + +/* Image Converter Registers */ +#define IC_CONF 0x88 +#define IC_PRP_ENC_RSC 0x8C +#define IC_PRP_VF_RSC 0x90 +#define IC_PP_RSC 0x94 +#define IC_CMBP_1 0x98 +#define IC_CMBP_2 0x9C +#define PF_CONF 0xA0 +#define IDMAC_CONF 0xA4 +#define IDMAC_CHA_EN 0xA8 +#define IDMAC_CHA_PRI 0xAC +#define IDMAC_CHA_BUSY 0xB0 + +/* Image Converter Register bits */ +#define IC_CONF_PRPENC_EN 0x00000001 +#define IC_CONF_PRPENC_CSC1 0x00000002 +#define IC_CONF_PRPENC_ROT_EN 0x00000004 +#define IC_CONF_PRPVF_EN 0x00000100 +#define IC_CONF_PRPVF_CSC1 0x00000200 +#define IC_CONF_PRPVF_CSC2 0x00000400 +#define IC_CONF_PRPVF_CMB 0x00000800 +#define IC_CONF_PRPVF_ROT_EN 0x00001000 +#define IC_CONF_PP_EN 0x00010000 +#define IC_CONF_PP_CSC1 0x00020000 +#define IC_CONF_PP_CSC2 0x00040000 +#define IC_CONF_PP_CMB 0x00080000 +#define IC_CONF_PP_ROT_EN 0x00100000 +#define IC_CONF_IC_GLB_LOC_A 0x10000000 +#define IC_CONF_KEY_COLOR_EN 0x20000000 +#define IC_CONF_RWS_EN 0x40000000 +#define IC_CONF_CSI_MEM_WR_EN 0x80000000 + +#define IDMA_CHAN_INVALID 0x000000FF +#define IDMA_IC_0 0x00000001 +#define IDMA_IC_1 0x00000002 +#define IDMA_IC_2 0x00000004 +#define IDMA_IC_3 0x00000008 +#define IDMA_IC_4 0x00000010 +#define IDMA_IC_5 0x00000020 +#define IDMA_IC_6 0x00000040 +#define IDMA_IC_7 0x00000080 +#define IDMA_IC_8 0x00000100 +#define IDMA_IC_9 0x00000200 +#define IDMA_IC_10 0x00000400 +#define IDMA_IC_11 0x00000800 +#define IDMA_IC_12 0x00001000 +#define IDMA_IC_13 0x00002000 +#define IDMA_SDC_BG 0x00004000 +#define IDMA_SDC_FG 0x00008000 +#define IDMA_SDC_MASK 0x00010000 +#define IDMA_SDC_PARTIAL 0x00020000 +#define IDMA_ADC_SYS1_WR 0x00040000 +#define IDMA_ADC_SYS2_WR 0x00080000 +#define IDMA_ADC_SYS1_CMD 0x00100000 +#define IDMA_ADC_SYS2_CMD 0x00200000 +#define IDMA_ADC_SYS1_RD 0x00400000 +#define IDMA_ADC_SYS2_RD 0x00800000 +#define IDMA_PF_QP 0x01000000 +#define IDMA_PF_BSP 0x02000000 +#define IDMA_PF_Y_IN 0x04000000 +#define IDMA_PF_U_IN 0x08000000 +#define IDMA_PF_V_IN 0x10000000 +#define IDMA_PF_Y_OUT 0x20000000 +#define IDMA_PF_U_OUT 0x40000000 +#define IDMA_PF_V_OUT 0x80000000 + +#define TSTAT_PF_H264_PAUSE 0x00000001 +#define TSTAT_CSI2MEM_MASK 0x0000000C +#define TSTAT_CSI2MEM_OFFSET 2 +#define TSTAT_VF_MASK 0x00000600 +#define TSTAT_VF_OFFSET 9 +#define TSTAT_VF_ROT_MASK 0x000C0000 +#define TSTAT_VF_ROT_OFFSET 18 +#define TSTAT_ENC_MASK 0x00000180 +#define TSTAT_ENC_OFFSET 7 +#define TSTAT_ENC_ROT_MASK 0x00030000 +#define TSTAT_ENC_ROT_OFFSET 16 +#define TSTAT_PP_MASK 0x00001800 +#define TSTAT_PP_OFFSET 11 +#define TSTAT_PP_ROT_MASK 0x00300000 +#define TSTAT_PP_ROT_OFFSET 20 +#define TSTAT_PF_MASK 0x00C00000 +#define TSTAT_PF_OFFSET 22 +#define TSTAT_ADCSYS1_MASK 0x03000000 +#define TSTAT_ADCSYS1_OFFSET 24 +#define TSTAT_ADCSYS2_MASK 0x0C000000 +#define TSTAT_ADCSYS2_OFFSET 26 + +#define TASK_STAT_IDLE 0 +#define TASK_STAT_ACTIVE 1 +#define TASK_STAT_WAIT4READY 2 + +struct idmac { + struct dma_device dma; +}; + +struct ipu { + void __iomem *reg_ipu; + void __iomem *reg_ic; + unsigned int irq_fn; /* IPU Function IRQ to the CPU */ + unsigned int irq_err; /* IPU Error IRQ to the CPU */ + unsigned int irq_base; /* Beginning of the IPU IRQ range */ + unsigned long channel_init_mask; + spinlock_t lock; + struct clk *ipu_clk; + struct device *dev; + struct idmac idmac; + struct idmac_channel channel[IPU_CHANNELS_NUM]; + struct tasklet_struct tasklet; +}; + +#define to_idmac(d) container_of(d, struct idmac, dma) + +extern int ipu_irq_attach_irq(struct ipu *ipu, struct platform_device *dev); +extern void ipu_irq_detach_irq(struct ipu *ipu, struct platform_device *dev); + +extern bool ipu_irq_status(uint32_t irq); +extern int ipu_irq_map(unsigned int source); +extern int ipu_irq_unmap(unsigned int source); + +#endif diff --git a/drivers/dma/ipu/ipu_irq.c b/drivers/dma/ipu/ipu_irq.c new file mode 100644 index 0000000..83f532c --- /dev/null +++ b/drivers/dma/ipu/ipu_irq.c @@ -0,0 +1,413 @@ +/* + * Copyright (C) 2008 + * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/err.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/irq.h> +#include <linux/io.h> + +#include <mach/ipu.h> + +#include "ipu_intern.h" + +/* + * Register read / write - shall be inlined by the compiler + */ +static u32 ipu_read_reg(struct ipu *ipu, unsigned long reg) +{ + return __raw_readl(ipu->reg_ipu + reg); +} + +static void ipu_write_reg(struct ipu *ipu, u32 value, unsigned long reg) +{ + __raw_writel(value, ipu->reg_ipu + reg); +} + + +/* + * IPU IRQ chip driver + */ + +#define IPU_IRQ_NR_FN_BANKS 3 +#define IPU_IRQ_NR_ERR_BANKS 2 +#define IPU_IRQ_NR_BANKS (IPU_IRQ_NR_FN_BANKS + IPU_IRQ_NR_ERR_BANKS) + +struct ipu_irq_bank { + unsigned int control; + unsigned int status; + spinlock_t lock; + struct ipu *ipu; +}; + +static struct ipu_irq_bank irq_bank[IPU_IRQ_NR_BANKS] = { + /* 3 groups of functional interrupts */ + { + .control = IPU_INT_CTRL_1, + .status = IPU_INT_STAT_1, + }, { + .control = IPU_INT_CTRL_2, + .status = IPU_INT_STAT_2, + }, { + .control = IPU_INT_CTRL_3, + .status = IPU_INT_STAT_3, + }, + /* 2 groups of error interrupts */ + { + .control = IPU_INT_CTRL_4, + .status = IPU_INT_STAT_4, + }, { + .control = IPU_INT_CTRL_5, + .status = IPU_INT_STAT_5, + }, +}; + +struct ipu_irq_map { + unsigned int irq; + int source; + struct ipu_irq_bank *bank; + struct ipu *ipu; +}; + +static struct ipu_irq_map irq_map[CONFIG_MX3_IPU_IRQS]; +/* Protects allocations from the above array of maps */ +static DEFINE_MUTEX(map_lock); +/* Protects register accesses and individual mappings */ +static DEFINE_SPINLOCK(bank_lock); + +static struct ipu_irq_map *src2map(unsigned int src) +{ + int i; + + for (i = 0; i < CONFIG_MX3_IPU_IRQS; i++) + if (irq_map[i].source == src) + return irq_map + i; + + return NULL; +} + +static void ipu_irq_unmask(unsigned int irq) +{ + struct ipu_irq_map *map = get_irq_chip_data(irq); + struct ipu_irq_bank *bank; + uint32_t reg; + unsigned long lock_flags; + + spin_lock_irqsave(&bank_lock, lock_flags); + + bank = map->bank; + if (!bank) { + spin_unlock_irqrestore(&bank_lock, lock_flags); + pr_err("IPU: %s(%u) - unmapped!\n", __func__, irq); + return; + } + + reg = ipu_read_reg(bank->ipu, bank->control); + reg |= (1UL << (map->source & 31)); + ipu_write_reg(bank->ipu, reg, bank->control); + + spin_unlock_irqrestore(&bank_lock, lock_flags); +} + +static void ipu_irq_mask(unsigned int irq) +{ + struct ipu_irq_map *map = get_irq_chip_data(irq); + struct ipu_irq_bank *bank; + uint32_t reg; + unsigned long lock_flags; + + spin_lock_irqsave(&bank_lock, lock_flags); + + bank = map->bank; + if (!bank) { + spin_unlock_irqrestore(&bank_lock, lock_flags); + pr_err("IPU: %s(%u) - unmapped!\n", __func__, irq); + return; + } + + reg = ipu_read_reg(bank->ipu, bank->control); + reg &= ~(1UL << (map->source & 31)); + ipu_write_reg(bank->ipu, reg, bank->control); + + spin_unlock_irqrestore(&bank_lock, lock_flags); +} + +static void ipu_irq_ack(unsigned int irq) +{ + struct ipu_irq_map *map = get_irq_chip_data(irq); + struct ipu_irq_bank *bank; + unsigned long lock_flags; + + spin_lock_irqsave(&bank_lock, lock_flags); + + bank = map->bank; + if (!bank) { + spin_unlock_irqrestore(&bank_lock, lock_flags); + pr_err("IPU: %s(%u) - unmapped!\n", __func__, irq); + return; + } + + ipu_write_reg(bank->ipu, 1UL << (map->source & 31), bank->status); + spin_unlock_irqrestore(&bank_lock, lock_flags); +} + +/** + * ipu_irq_status() - returns the current interrupt status of the specified IRQ. + * @irq: interrupt line to get status for. + * @return: true if the interrupt is pending/asserted or false if the + * interrupt is not pending. + */ +bool ipu_irq_status(unsigned int irq) +{ + struct ipu_irq_map *map = get_irq_chip_data(irq); + struct ipu_irq_bank *bank; + unsigned long lock_flags; + bool ret; + + spin_lock_irqsave(&bank_lock, lock_flags); + bank = map->bank; + ret = bank && ipu_read_reg(bank->ipu, bank->status) & + (1UL << (map->source & 31)); + spin_unlock_irqrestore(&bank_lock, lock_flags); + + return ret; +} + +/** + * ipu_irq_map() - map an IPU interrupt source to an IRQ number + * @source: interrupt source bit position (see below) + * @return: mapped IRQ number or negative error code + * + * The source parameter has to be explained further. On i.MX31 IPU has 137 IRQ + * sources, they are broken down in 5 32-bit registers, like 32, 32, 24, 32, 17. + * However, the source argument of this function is not the sequence number of + * the possible IRQ, but rather its bit position. So, first interrupt in fourth + * register has source number 96, and not 88. This makes calculations easier, + * and also provides forward compatibility with any future IPU implementations + * with any interrupt bit assignments. + */ +int ipu_irq_map(unsigned int source) +{ + int i, ret = -ENOMEM; + struct ipu_irq_map *map; + + might_sleep(); + + mutex_lock(&map_lock); + map = src2map(source); + if (map) { + pr_err("IPU: Source %u already mapped to IRQ %u\n", source, map->irq); + ret = -EBUSY; + goto out; + } + + for (i = 0; i < CONFIG_MX3_IPU_IRQS; i++) { + if (irq_map[i].source < 0) { + unsigned long lock_flags; + + spin_lock_irqsave(&bank_lock, lock_flags); + irq_map[i].source = source; + irq_map[i].bank = irq_bank + source / 32; + spin_unlock_irqrestore(&bank_lock, lock_flags); + + ret = irq_map[i].irq; + pr_debug("IPU: mapped source %u to IRQ %u\n", + source, ret); + break; + } + } +out: + mutex_unlock(&map_lock); + + if (ret < 0) + pr_err("IPU: couldn't map source %u: %d\n", source, ret); + + return ret; +} + +/** + * ipu_irq_map() - map an IPU interrupt source to an IRQ number + * @source: interrupt source bit position (see ipu_irq_map()) + * @return: 0 or negative error code + */ +int ipu_irq_unmap(unsigned int source) +{ + int i, ret = -EINVAL; + + might_sleep(); + + mutex_lock(&map_lock); + for (i = 0; i < CONFIG_MX3_IPU_IRQS; i++) { + if (irq_map[i].source == source) { + unsigned long lock_flags; + + pr_debug("IPU: unmapped source %u from IRQ %u\n", + source, irq_map[i].irq); + + spin_lock_irqsave(&bank_lock, lock_flags); + irq_map[i].source = -EINVAL; + irq_map[i].bank = NULL; + spin_unlock_irqrestore(&bank_lock, lock_flags); + + ret = 0; + break; + } + } + mutex_unlock(&map_lock); + + return ret; +} + +/* Chained IRQ handler for IPU error interrupt */ +static void ipu_irq_err(unsigned int irq, struct irq_desc *desc) +{ + struct ipu *ipu = get_irq_data(irq); + u32 status; + int i, line; + + for (i = IPU_IRQ_NR_FN_BANKS; i < IPU_IRQ_NR_BANKS; i++) { + struct ipu_irq_bank *bank = irq_bank + i; + + spin_lock(&bank_lock); + status = ipu_read_reg(ipu, bank->status); + /* + * Don't think we have to clear all interrupts here, they will + * be acked by ->handle_irq() (handle_level_irq). However, we + * might want to clear unhandled interrupts after the loop... + */ + status &= ipu_read_reg(ipu, bank->control); + spin_unlock(&bank_lock); + while ((line = ffs(status))) { + struct ipu_irq_map *map; + + line--; + status &= ~(1UL << line); + + spin_lock(&bank_lock); + map = src2map(32 * i + line); + if (map) + irq = map->irq; + spin_unlock(&bank_lock); + + if (!map) { + pr_err("IPU: Interrupt on unmapped source %u bank %d\n", + line, i); + continue; + } + generic_handle_irq(irq); + } + } +} + +/* Chained IRQ handler for IPU function interrupt */ +static void ipu_irq_fn(unsigned int irq, struct irq_desc *desc) +{ + struct ipu *ipu = get_irq_data(irq); + u32 status; + int i, line; + + for (i = 0; i < IPU_IRQ_NR_FN_BANKS; i++) { + struct ipu_irq_bank *bank = irq_bank + i; + + spin_lock(&bank_lock); + status = ipu_read_reg(ipu, bank->status); + /* Not clearing all interrupts, see above */ + status &= ipu_read_reg(ipu, bank->control); + spin_unlock(&bank_lock); + while ((line = ffs(status))) { + struct ipu_irq_map *map; + + line--; + status &= ~(1UL << line); + + spin_lock(&bank_lock); + map = src2map(32 * i + line); + if (map) + irq = map->irq; + spin_unlock(&bank_lock); + + if (!map) { + pr_err("IPU: Interrupt on unmapped source %u bank %d\n", + line, i); + continue; + } + generic_handle_irq(irq); + } + } +} + +static struct irq_chip ipu_irq_chip = { + .name = "ipu_irq", + .ack = ipu_irq_ack, + .mask = ipu_irq_mask, + .unmask = ipu_irq_unmask, +}; + +/* Install the IRQ handler */ +int ipu_irq_attach_irq(struct ipu *ipu, struct platform_device *dev) +{ + struct ipu_platform_data *pdata = dev->dev.platform_data; + unsigned int irq, irq_base, i; + + irq_base = pdata->irq_base; + + for (i = 0; i < IPU_IRQ_NR_BANKS; i++) + irq_bank[i].ipu = ipu; + + for (i = 0; i < CONFIG_MX3_IPU_IRQS; i++) { + int ret; + + irq = irq_base + i; + ret = set_irq_chip(irq, &ipu_irq_chip); + if (ret < 0) + return ret; + ret = set_irq_chip_data(irq, irq_map + i); + if (ret < 0) + return ret; + irq_map[i].ipu = ipu; + irq_map[i].irq = irq; + irq_map[i].source = -EINVAL; + set_irq_handler(irq, handle_level_irq); +#ifdef CONFIG_ARM + set_irq_flags(irq, IRQF_VALID | IRQF_PROBE); +#endif + } + + set_irq_data(ipu->irq_fn, ipu); + set_irq_chained_handler(ipu->irq_fn, ipu_irq_fn); + + set_irq_data(ipu->irq_err, ipu); + set_irq_chained_handler(ipu->irq_err, ipu_irq_err); + + return 0; +} + +void ipu_irq_detach_irq(struct ipu *ipu, struct platform_device *dev) +{ + struct ipu_platform_data *pdata = dev->dev.platform_data; + unsigned int irq, irq_base; + + irq_base = pdata->irq_base; + + set_irq_chained_handler(ipu->irq_fn, NULL); + set_irq_data(ipu->irq_fn, NULL); + + set_irq_chained_handler(ipu->irq_err, NULL); + set_irq_data(ipu->irq_err, NULL); + + for (irq = irq_base; irq < irq_base + CONFIG_MX3_IPU_IRQS; irq++) { +#ifdef CONFIG_ARM + set_irq_flags(irq, 0); +#endif + set_irq_chip(irq, NULL); + set_irq_chip_data(irq, NULL); + } +} diff --git a/drivers/edac/cell_edac.c b/drivers/edac/cell_edac.c index cd2e3b8..24f3ca8 100644 --- a/drivers/edac/cell_edac.c +++ b/drivers/edac/cell_edac.c @@ -36,7 +36,7 @@ static void cell_edac_count_ce(struct mem_ctl_info *mci, int chan, u64 ar) struct csrow_info *csrow = &mci->csrows[0]; unsigned long address, pfn, offset, syndrome; - dev_dbg(mci->dev, "ECC CE err on node %d, channel %d, ar = 0x%016lx\n", + dev_dbg(mci->dev, "ECC CE err on node %d, channel %d, ar = 0x%016llx\n", priv->node, chan, ar); /* Address decoding is likely a bit bogus, to dbl check */ @@ -58,7 +58,7 @@ static void cell_edac_count_ue(struct mem_ctl_info *mci, int chan, u64 ar) struct csrow_info *csrow = &mci->csrows[0]; unsigned long address, pfn, offset; - dev_dbg(mci->dev, "ECC UE err on node %d, channel %d, ar = 0x%016lx\n", + dev_dbg(mci->dev, "ECC UE err on node %d, channel %d, ar = 0x%016llx\n", priv->node, chan, ar); /* Address decoding is likely a bit bogus, to dbl check */ @@ -169,7 +169,7 @@ static int __devinit cell_edac_probe(struct platform_device *pdev) /* Get channel population */ reg = in_be64(®s->mic_mnt_cfg); - dev_dbg(&pdev->dev, "MIC_MNT_CFG = 0x%016lx\n", reg); + dev_dbg(&pdev->dev, "MIC_MNT_CFG = 0x%016llx\n", reg); chanmask = 0; if (reg & CBE_MIC_MNT_CFG_CHAN_0_POP) chanmask |= 0x1; @@ -180,7 +180,7 @@ static int __devinit cell_edac_probe(struct platform_device *pdev) "Yuck ! No channel populated ? Aborting !\n"); return -ENODEV; } - dev_dbg(&pdev->dev, "Initial FIR = 0x%016lx\n", + dev_dbg(&pdev->dev, "Initial FIR = 0x%016llx\n", in_be64(®s->mic_fir)); /* Allocate & init EDAC MC data structure */ diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c index 6bd91a1..a5dd7a6 100644 --- a/drivers/firewire/fw-card.c +++ b/drivers/firewire/fw-card.c @@ -232,7 +232,7 @@ fw_card_bm_work(struct work_struct *work) root_id = root_node->node_id; grace = time_after(jiffies, card->reset_jiffies + DIV_ROUND_UP(HZ, 10)); - if (card->bm_generation + 1 == generation || + if (is_next_generation(generation, card->bm_generation) || (card->bm_generation != generation && grace)) { /* * This first step is to figure out who is IRM and @@ -412,6 +412,7 @@ fw_card_add(struct fw_card *card, { u32 *config_rom; size_t length; + int err; card->max_receive = max_receive; card->link_speed = link_speed; @@ -422,7 +423,13 @@ fw_card_add(struct fw_card *card, list_add_tail(&card->link, &card_list); mutex_unlock(&card_mutex); - return card->driver->enable(card, config_rom, length); + err = card->driver->enable(card, config_rom, length); + if (err < 0) { + mutex_lock(&card_mutex); + list_del(&card->link); + mutex_unlock(&card_mutex); + } + return err; } EXPORT_SYMBOL(fw_card_add); @@ -512,7 +519,7 @@ fw_core_remove_card(struct fw_card *card) fw_core_initiate_bus_reset(card, 1); mutex_lock(&card_mutex); - list_del(&card->link); + list_del_init(&card->link); mutex_unlock(&card_mutex); /* Set up the dummy driver. */ diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c index 2af5a8d..bf53acb 100644 --- a/drivers/firewire/fw-device.c +++ b/drivers/firewire/fw-device.c @@ -25,6 +25,7 @@ #include <linux/device.h> #include <linux/delay.h> #include <linux/idr.h> +#include <linux/jiffies.h> #include <linux/string.h> #include <linux/rwsem.h> #include <linux/semaphore.h> @@ -634,12 +635,39 @@ struct fw_device *fw_device_get_by_devt(dev_t devt) return device; } +/* + * These defines control the retry behavior for reading the config + * rom. It shouldn't be necessary to tweak these; if the device + * doesn't respond to a config rom read within 10 seconds, it's not + * going to respond at all. As for the initial delay, a lot of + * devices will be able to respond within half a second after bus + * reset. On the other hand, it's not really worth being more + * aggressive than that, since it scales pretty well; if 10 devices + * are plugged in, they're all getting read within one second. + */ + +#define MAX_RETRIES 10 +#define RETRY_DELAY (3 * HZ) +#define INITIAL_DELAY (HZ / 2) +#define SHUTDOWN_DELAY (2 * HZ) + static void fw_device_shutdown(struct work_struct *work) { struct fw_device *device = container_of(work, struct fw_device, work.work); int minor = MINOR(device->device.devt); + if (time_is_after_jiffies(device->card->reset_jiffies + SHUTDOWN_DELAY) + && !list_empty(&device->card->link)) { + schedule_delayed_work(&device->work, SHUTDOWN_DELAY); + return; + } + + if (atomic_cmpxchg(&device->state, + FW_DEVICE_GONE, + FW_DEVICE_SHUTDOWN) != FW_DEVICE_GONE) + return; + fw_device_cdev_remove(device); device_for_each_child(&device->device, NULL, shutdown_unit); device_unregister(&device->device); @@ -647,6 +675,7 @@ static void fw_device_shutdown(struct work_struct *work) down_write(&fw_device_rwsem); idr_remove(&fw_device_idr, minor); up_write(&fw_device_rwsem); + fw_device_put(device); } @@ -654,25 +683,63 @@ static struct device_type fw_device_type = { .release = fw_device_release, }; +static void fw_device_update(struct work_struct *work); + /* - * These defines control the retry behavior for reading the config - * rom. It shouldn't be necessary to tweak these; if the device - * doesn't respond to a config rom read within 10 seconds, it's not - * going to respond at all. As for the initial delay, a lot of - * devices will be able to respond within half a second after bus - * reset. On the other hand, it's not really worth being more - * aggressive than that, since it scales pretty well; if 10 devices - * are plugged in, they're all getting read within one second. + * If a device was pending for deletion because its node went away but its + * bus info block and root directory header matches that of a newly discovered + * device, revive the existing fw_device. + * The newly allocated fw_device becomes obsolete instead. */ +static int lookup_existing_device(struct device *dev, void *data) +{ + struct fw_device *old = fw_device(dev); + struct fw_device *new = data; + struct fw_card *card = new->card; + int match = 0; + + down_read(&fw_device_rwsem); /* serialize config_rom access */ + spin_lock_irq(&card->lock); /* serialize node access */ + + if (memcmp(old->config_rom, new->config_rom, 6 * 4) == 0 && + atomic_cmpxchg(&old->state, + FW_DEVICE_GONE, + FW_DEVICE_RUNNING) == FW_DEVICE_GONE) { + struct fw_node *current_node = new->node; + struct fw_node *obsolete_node = old->node; + + new->node = obsolete_node; + new->node->data = new; + old->node = current_node; + old->node->data = old; + + old->max_speed = new->max_speed; + old->node_id = current_node->node_id; + smp_wmb(); /* update node_id before generation */ + old->generation = card->generation; + old->config_rom_retries = 0; + fw_notify("rediscovered device %s\n", dev_name(dev)); -#define MAX_RETRIES 10 -#define RETRY_DELAY (3 * HZ) -#define INITIAL_DELAY (HZ / 2) + PREPARE_DELAYED_WORK(&old->work, fw_device_update); + schedule_delayed_work(&old->work, 0); + + if (current_node == card->root_node) + fw_schedule_bm_work(card, 0); + + match = 1; + } + + spin_unlock_irq(&card->lock); + up_read(&fw_device_rwsem); + + return match; +} static void fw_device_init(struct work_struct *work) { struct fw_device *device = container_of(work, struct fw_device, work.work); + struct device *revived_dev; int minor, err; /* @@ -696,6 +763,15 @@ static void fw_device_init(struct work_struct *work) return; } + revived_dev = device_find_child(device->card->device, + device, lookup_existing_device); + if (revived_dev) { + put_device(revived_dev); + fw_device_release(&device->device); + + return; + } + device_initialize(&device->device); fw_device_get(device); @@ -734,9 +810,10 @@ static void fw_device_init(struct work_struct *work) * fw_node_event(). */ if (atomic_cmpxchg(&device->state, - FW_DEVICE_INITIALIZING, - FW_DEVICE_RUNNING) == FW_DEVICE_SHUTDOWN) { - fw_device_shutdown(work); + FW_DEVICE_INITIALIZING, + FW_DEVICE_RUNNING) == FW_DEVICE_GONE) { + PREPARE_DELAYED_WORK(&device->work, fw_device_shutdown); + schedule_delayed_work(&device->work, SHUTDOWN_DELAY); } else { if (device->config_rom_retries) fw_notify("created device %s: GUID %08x%08x, S%d00, " @@ -847,8 +924,8 @@ static void fw_device_refresh(struct work_struct *work) case REREAD_BIB_UNCHANGED: if (atomic_cmpxchg(&device->state, - FW_DEVICE_INITIALIZING, - FW_DEVICE_RUNNING) == FW_DEVICE_SHUTDOWN) + FW_DEVICE_INITIALIZING, + FW_DEVICE_RUNNING) == FW_DEVICE_GONE) goto gone; fw_device_update(work); @@ -879,8 +956,8 @@ static void fw_device_refresh(struct work_struct *work) create_units(device); if (atomic_cmpxchg(&device->state, - FW_DEVICE_INITIALIZING, - FW_DEVICE_RUNNING) == FW_DEVICE_SHUTDOWN) + FW_DEVICE_INITIALIZING, + FW_DEVICE_RUNNING) == FW_DEVICE_GONE) goto gone; fw_notify("refreshed device %s\n", dev_name(&device->device)); @@ -890,8 +967,9 @@ static void fw_device_refresh(struct work_struct *work) give_up: fw_notify("giving up on refresh of device %s\n", dev_name(&device->device)); gone: - atomic_set(&device->state, FW_DEVICE_SHUTDOWN); - fw_device_shutdown(work); + atomic_set(&device->state, FW_DEVICE_GONE); + PREPARE_DELAYED_WORK(&device->work, fw_device_shutdown); + schedule_delayed_work(&device->work, SHUTDOWN_DELAY); out: if (node_id == card->root_node->node_id) fw_schedule_bm_work(card, 0); @@ -995,9 +1073,10 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event) */ device = node->data; if (atomic_xchg(&device->state, - FW_DEVICE_SHUTDOWN) == FW_DEVICE_RUNNING) { + FW_DEVICE_GONE) == FW_DEVICE_RUNNING) { PREPARE_DELAYED_WORK(&device->work, fw_device_shutdown); - schedule_delayed_work(&device->work, 0); + schedule_delayed_work(&device->work, + list_empty(&card->link) ? 0 : SHUTDOWN_DELAY); } break; } diff --git a/drivers/firewire/fw-device.h b/drivers/firewire/fw-device.h index df51732..8ef6ec2 100644 --- a/drivers/firewire/fw-device.h +++ b/drivers/firewire/fw-device.h @@ -28,6 +28,7 @@ enum fw_device_state { FW_DEVICE_INITIALIZING, FW_DEVICE_RUNNING, + FW_DEVICE_GONE, FW_DEVICE_SHUTDOWN, }; diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c index ab9c01e..6d19828 100644 --- a/drivers/firewire/fw-ohci.c +++ b/drivers/firewire/fw-ohci.c @@ -226,7 +226,7 @@ static inline struct fw_ohci *fw_ohci(struct fw_card *card) #define CONTEXT_DEAD 0x0800 #define CONTEXT_ACTIVE 0x0400 -#define OHCI1394_MAX_AT_REQ_RETRIES 0x2 +#define OHCI1394_MAX_AT_REQ_RETRIES 0xf #define OHCI1394_MAX_AT_RESP_RETRIES 0x2 #define OHCI1394_MAX_PHYS_RESP_RETRIES 0x8 @@ -896,11 +896,11 @@ static void context_stop(struct context *ctx) for (i = 0; i < 10; i++) { reg = reg_read(ctx->ohci, CONTROL_SET(ctx->regs)); if ((reg & CONTEXT_ACTIVE) == 0) - break; + return; - fw_notify("context_stop: still active (0x%08x)\n", reg); mdelay(1); } + fw_error("Error: DMA context still active (0x%08x)\n", reg); } struct driver_data { diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c index e88d506..c71c441 100644 --- a/drivers/firewire/fw-sbp2.c +++ b/drivers/firewire/fw-sbp2.c @@ -168,6 +168,7 @@ struct sbp2_target { int address_high; unsigned int workarounds; unsigned int mgt_orb_timeout; + unsigned int max_payload; int dont_block; /* counter for each logical unit */ int blocked; /* ditto */ @@ -310,14 +311,16 @@ struct sbp2_command_orb { dma_addr_t page_table_bus; }; +#define SBP2_ROM_VALUE_WILDCARD ~0 /* match all */ +#define SBP2_ROM_VALUE_MISSING 0xff000000 /* not present in the unit dir. */ + /* * List of devices with known bugs. * * The firmware_revision field, masked with 0xffff00, is the best * indicator for the type of bridge chip of a device. It yields a few * false positives but this did not break correctly behaving devices - * so far. We use ~0 as a wildcard, since the 24 bit values we get - * from the config rom can never match that. + * so far. */ static const struct { u32 firmware_revision; @@ -339,33 +342,35 @@ static const struct { }, /* Initio bridges, actually only needed for some older ones */ { .firmware_revision = 0x000200, - .model = ~0, + .model = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_INQUIRY_36, }, /* PL-3507 bridge with Prolific firmware */ { .firmware_revision = 0x012800, - .model = ~0, + .model = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_POWER_CONDITION, }, /* Symbios bridge */ { .firmware_revision = 0xa0b800, - .model = ~0, + .model = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, }, /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ { .firmware_revision = 0x002600, - .model = ~0, + .model = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, }, - /* - * There are iPods (2nd gen, 3rd gen) with model_id == 0, but - * these iPods do not feature the read_capacity bug according - * to one report. Read_capacity behaviour as well as model_id - * could change due to Apple-supplied firmware updates though. + * iPod 2nd generation: needs 128k max transfer size workaround + * iPod 3rd generation: needs fix capacity workaround */ - - /* iPod 4th generation. */ { + { + .firmware_revision = 0x0a2700, + .model = 0x000000, + .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS | + SBP2_WORKAROUND_FIX_CAPACITY, + }, + /* iPod 4th generation */ { .firmware_revision = 0x0a2700, .model = 0x000021, .workarounds = SBP2_WORKAROUND_FIX_CAPACITY, @@ -1092,7 +1097,7 @@ static void sbp2_init_workarounds(struct sbp2_target *tgt, u32 model, continue; if (sbp2_workarounds_table[i].model != model && - sbp2_workarounds_table[i].model != ~0) + sbp2_workarounds_table[i].model != SBP2_ROM_VALUE_WILDCARD) continue; w |= sbp2_workarounds_table[i].workarounds; @@ -1142,20 +1147,28 @@ static int sbp2_probe(struct device *dev) fw_device_get(device); fw_unit_get(unit); - /* Initialize to values that won't match anything in our table. */ - firmware_revision = 0xff000000; - model = 0xff000000; - /* implicit directory ID */ tgt->directory_id = ((unit->directory - device->config_rom) * 4 + CSR_CONFIG_ROM) & 0xffffff; + firmware_revision = SBP2_ROM_VALUE_MISSING; + model = SBP2_ROM_VALUE_MISSING; + if (sbp2_scan_unit_dir(tgt, unit->directory, &model, &firmware_revision) < 0) goto fail_tgt_put; sbp2_init_workarounds(tgt, model, firmware_revision); + /* + * At S100 we can do 512 bytes per packet, at S200 1024 bytes, + * and so on up to 4096 bytes. The SBP-2 max_payload field + * specifies the max payload size as 2 ^ (max_payload + 2), so + * if we set this to max_speed + 7, we get the right value. + */ + tgt->max_payload = min(device->max_speed + 7, 10U); + tgt->max_payload = min(tgt->max_payload, device->card->max_receive - 1); + /* Do the login in a workqueue so we can easily reschedule retries. */ list_for_each_entry(lu, &tgt->lu_list, link) sbp2_queue_work(lu, DIV_ROUND_UP(HZ, 5)); @@ -1273,6 +1286,19 @@ static struct fw_driver sbp2_driver = { .id_table = sbp2_id_table, }; +static void sbp2_unmap_scatterlist(struct device *card_device, + struct sbp2_command_orb *orb) +{ + if (scsi_sg_count(orb->cmd)) + dma_unmap_sg(card_device, scsi_sglist(orb->cmd), + scsi_sg_count(orb->cmd), + orb->cmd->sc_data_direction); + + if (orb->request.misc & cpu_to_be32(COMMAND_ORB_PAGE_TABLE_PRESENT)) + dma_unmap_single(card_device, orb->page_table_bus, + sizeof(orb->page_table), DMA_TO_DEVICE); +} + static unsigned int sbp2_status_to_sense_data(u8 *sbp2_status, u8 *sense_data) { @@ -1352,15 +1378,7 @@ complete_command_orb(struct sbp2_orb *base_orb, struct sbp2_status *status) dma_unmap_single(device->card->device, orb->base.request_bus, sizeof(orb->request), DMA_TO_DEVICE); - - if (scsi_sg_count(orb->cmd) > 0) - dma_unmap_sg(device->card->device, scsi_sglist(orb->cmd), - scsi_sg_count(orb->cmd), - orb->cmd->sc_data_direction); - - if (orb->page_table_bus != 0) - dma_unmap_single(device->card->device, orb->page_table_bus, - sizeof(orb->page_table), DMA_TO_DEVICE); + sbp2_unmap_scatterlist(device->card->device, orb); orb->cmd->result = result; orb->done(orb->cmd); @@ -1434,7 +1452,6 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) struct sbp2_logical_unit *lu = cmd->device->hostdata; struct fw_device *device = fw_device(lu->tgt->unit->device.parent); struct sbp2_command_orb *orb; - unsigned int max_payload; int generation, retval = SCSI_MLQUEUE_HOST_BUSY; /* @@ -1462,17 +1479,9 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) orb->done = done; orb->cmd = cmd; - orb->request.next.high = cpu_to_be32(SBP2_ORB_NULL); - /* - * At speed 100 we can do 512 bytes per packet, at speed 200, - * 1024 bytes per packet etc. The SBP-2 max_payload field - * specifies the max payload size as 2 ^ (max_payload + 2), so - * if we set this to max_speed + 7, we get the right value. - */ - max_payload = min(device->max_speed + 7, - device->card->max_receive - 1); + orb->request.next.high = cpu_to_be32(SBP2_ORB_NULL); orb->request.misc = cpu_to_be32( - COMMAND_ORB_MAX_PAYLOAD(max_payload) | + COMMAND_ORB_MAX_PAYLOAD(lu->tgt->max_payload) | COMMAND_ORB_SPEED(device->max_speed) | COMMAND_ORB_NOTIFY); @@ -1491,8 +1500,10 @@ static int sbp2_scsi_queuecommand(struct scsi_cmnd *cmd, scsi_done_fn_t done) orb->base.request_bus = dma_map_single(device->card->device, &orb->request, sizeof(orb->request), DMA_TO_DEVICE); - if (dma_mapping_error(device->card->device, orb->base.request_bus)) + if (dma_mapping_error(device->card->device, orb->base.request_bus)) { + sbp2_unmap_scatterlist(device->card->device, orb); goto out; + } sbp2_send_orb(&orb->base, lu, lu->tgt->node_id, generation, lu->command_block_agent_address + SBP2_ORB_POINTER); diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c index c9be6e6..8dd6703 100644 --- a/drivers/firewire/fw-topology.c +++ b/drivers/firewire/fw-topology.c @@ -518,6 +518,18 @@ fw_core_handle_bus_reset(struct fw_card *card, struct fw_node *local_node; unsigned long flags; + /* + * If the selfID buffer is not the immediate successor of the + * previously processed one, we cannot reliably compare the + * old and new topologies. + */ + if (!is_next_generation(generation, card->generation) && + card->local_node != NULL) { + fw_notify("skipped bus generations, destroying all nodes\n"); + fw_destroy_nodes(card); + card->bm_retries = 0; + } + spin_lock_irqsave(&card->lock, flags); card->node_id = node_id; diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h index c9ab12a..1d78e9c 100644 --- a/drivers/firewire/fw-transaction.h +++ b/drivers/firewire/fw-transaction.h @@ -276,6 +276,15 @@ static inline void fw_card_put(struct fw_card *card) extern void fw_schedule_bm_work(struct fw_card *card, unsigned long delay); /* + * Check whether new_generation is the immediate successor of old_generation. + * Take counter roll-over at 255 (as per to OHCI) into account. + */ +static inline bool is_next_generation(int new_generation, int old_generation) +{ + return (new_generation & 0xff) == ((old_generation + 1) & 0xff); +} + +/* * The iso packet format allows for an immediate header/payload part * stored in 'header' immediately after the packet info plus an * indirect payload part that is pointer to by the 'payload' field. diff --git a/drivers/firmware/dell_rbu.c b/drivers/firmware/dell_rbu.c index 13946eb..b4704e1 100644 --- a/drivers/firmware/dell_rbu.c +++ b/drivers/firmware/dell_rbu.c @@ -576,7 +576,7 @@ static ssize_t read_rbu_image_type(struct kobject *kobj, { int size = 0; if (!pos) - size = sprintf(buffer, "%s\n", image_type); + size = scnprintf(buffer, count, "%s\n", image_type); return size; } @@ -648,7 +648,7 @@ static ssize_t read_rbu_packet_size(struct kobject *kobj, int size = 0; if (!pos) { spin_lock(&rbu_data.lock); - size = sprintf(buffer, "%lu\n", rbu_data.packetsize); + size = scnprintf(buffer, count, "%lu\n", rbu_data.packetsize); spin_unlock(&rbu_data.lock); } return size; diff --git a/drivers/firmware/dmi_scan.c b/drivers/firmware/dmi_scan.c index d76adfe..8f0f7c4 100644 --- a/drivers/firmware/dmi_scan.c +++ b/drivers/firmware/dmi_scan.c @@ -415,6 +415,29 @@ void __init dmi_scan_machine(void) } /** + * dmi_matches - check if dmi_system_id structure matches system DMI data + * @dmi: pointer to the dmi_system_id structure to check + */ +static bool dmi_matches(const struct dmi_system_id *dmi) +{ + int i; + + WARN(!dmi_initialized, KERN_ERR "dmi check: not initialized yet.\n"); + + for (i = 0; i < ARRAY_SIZE(dmi->matches); i++) { + int s = dmi->matches[i].slot; + if (s == DMI_NONE) + continue; + if (dmi_ident[s] + && strstr(dmi_ident[s], dmi->matches[i].substr)) + continue; + /* No match */ + return false; + } + return true; +} + +/** * dmi_check_system - check system DMI data * @list: array of dmi_system_id structures to match against * All non-null elements of the list must match @@ -429,32 +452,45 @@ void __init dmi_scan_machine(void) */ int dmi_check_system(const struct dmi_system_id *list) { - int i, count = 0; - const struct dmi_system_id *d = list; - - WARN(!dmi_initialized, KERN_ERR "dmi check: not initialized yet.\n"); - - while (d->ident) { - for (i = 0; i < ARRAY_SIZE(d->matches); i++) { - int s = d->matches[i].slot; - if (s == DMI_NONE) - continue; - if (dmi_ident[s] && strstr(dmi_ident[s], d->matches[i].substr)) - continue; - /* No match */ - goto fail; + int count = 0; + const struct dmi_system_id *d; + + for (d = list; d->ident; d++) + if (dmi_matches(d)) { + count++; + if (d->callback && d->callback(d)) + break; } - count++; - if (d->callback && d->callback(d)) - break; -fail: d++; - } return count; } EXPORT_SYMBOL(dmi_check_system); /** + * dmi_first_match - find dmi_system_id structure matching system DMI data + * @list: array of dmi_system_id structures to match against + * All non-null elements of the list must match + * their slot's (field index's) data (i.e., each + * list string must be a substring of the specified + * DMI slot's string data) to be considered a + * successful match. + * + * Walk the blacklist table until the first match is found. Return the + * pointer to the matching entry or NULL if there's no match. + */ +const struct dmi_system_id *dmi_first_match(const struct dmi_system_id *list) +{ + const struct dmi_system_id *d; + + for (d = list; d->ident; d++) + if (dmi_matches(d)) + return d; + + return NULL; +} +EXPORT_SYMBOL(dmi_first_match); + +/** * dmi_get_system_info - return DMI data value * @field: data index (see enum dmi_field) * diff --git a/drivers/gpio/gpiolib.c b/drivers/gpio/gpiolib.c index 35e7aea..42fb2fd 100644 --- a/drivers/gpio/gpiolib.c +++ b/drivers/gpio/gpiolib.c @@ -789,6 +789,7 @@ int gpio_request(unsigned gpio, const char *label) } else { status = -EBUSY; module_put(chip->owner); + goto done; } if (chip->request) { diff --git a/drivers/gpu/drm/drm_agpsupport.c b/drivers/gpu/drm/drm_agpsupport.c index 3d33b82..1479659 100644 --- a/drivers/gpu/drm/drm_agpsupport.c +++ b/drivers/gpu/drm/drm_agpsupport.c @@ -33,10 +33,11 @@ #include "drmP.h" #include <linux/module.h> -#include <asm/agp.h> #if __OS_HAS_AGP +#include <asm/agp.h> + /** * Get AGP information. * diff --git a/drivers/gpu/drm/drm_crtc.c b/drivers/gpu/drm/drm_crtc.c index 5b2cbb7..bfce099 100644 --- a/drivers/gpu/drm/drm_crtc.c +++ b/drivers/gpu/drm/drm_crtc.c @@ -194,7 +194,6 @@ char *drm_get_connector_status_name(enum drm_connector_status status) * @type: object type * * LOCKING: - * Caller must hold DRM mode_config lock. * * Create a unique identifier based on @ptr in @dev's identifier space. Used * for tracking modes, CRTCs and connectors. @@ -209,15 +208,15 @@ static int drm_mode_object_get(struct drm_device *dev, int new_id = 0; int ret; - WARN(!mutex_is_locked(&dev->mode_config.mutex), - "%s called w/o mode_config lock\n", __func__); again: if (idr_pre_get(&dev->mode_config.crtc_idr, GFP_KERNEL) == 0) { DRM_ERROR("Ran out memory getting a mode number\n"); return -EINVAL; } + mutex_lock(&dev->mode_config.idr_mutex); ret = idr_get_new_above(&dev->mode_config.crtc_idr, obj, 1, &new_id); + mutex_unlock(&dev->mode_config.idr_mutex); if (ret == -EAGAIN) goto again; @@ -239,16 +238,20 @@ again: static void drm_mode_object_put(struct drm_device *dev, struct drm_mode_object *object) { + mutex_lock(&dev->mode_config.idr_mutex); idr_remove(&dev->mode_config.crtc_idr, object->id); + mutex_unlock(&dev->mode_config.idr_mutex); } void *drm_mode_object_find(struct drm_device *dev, uint32_t id, uint32_t type) { - struct drm_mode_object *obj; + struct drm_mode_object *obj = NULL; + mutex_lock(&dev->mode_config.idr_mutex); obj = idr_find(&dev->mode_config.crtc_idr, id); if (!obj || (obj->type != type) || (obj->id != id)) - return NULL; + obj = NULL; + mutex_unlock(&dev->mode_config.idr_mutex); return obj; } @@ -786,6 +789,7 @@ EXPORT_SYMBOL(drm_mode_create_dithering_property); void drm_mode_config_init(struct drm_device *dev) { mutex_init(&dev->mode_config.mutex); + mutex_init(&dev->mode_config.idr_mutex); INIT_LIST_HEAD(&dev->mode_config.fb_list); INIT_LIST_HEAD(&dev->mode_config.fb_kernel_list); INIT_LIST_HEAD(&dev->mode_config.crtc_list); diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c index 5ff88d9..14c7a23 100644 --- a/drivers/gpu/drm/drm_drv.c +++ b/drivers/gpu/drm/drm_drv.c @@ -294,6 +294,7 @@ EXPORT_SYMBOL(drm_init); */ static void drm_cleanup(struct drm_device * dev) { + struct drm_map_list *r_list, *list_temp; DRM_DEBUG("\n"); if (!dev) { @@ -325,6 +326,9 @@ static void drm_cleanup(struct drm_device * dev) drm_ht_remove(&dev->map_hash); drm_ctxbitmap_cleanup(dev); + list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) + drm_rmmap(dev, r_list->map); + if (drm_core_check_feature(dev, DRIVER_MODESET)) drm_put_minor(&dev->control); diff --git a/drivers/gpu/drm/drm_edid.c b/drivers/gpu/drm/drm_edid.c index 0fbb0da..5a4d324 100644 --- a/drivers/gpu/drm/drm_edid.c +++ b/drivers/gpu/drm/drm_edid.c @@ -660,7 +660,7 @@ struct edid *drm_get_edid(struct drm_connector *connector, edid = (struct edid *)drm_ddc_read(adapter); if (!edid) { - dev_warn(&connector->dev->pdev->dev, "%s: no EDID data\n", + dev_info(&connector->dev->pdev->dev, "%s: no EDID data\n", drm_get_connector_name(connector)); return NULL; } diff --git a/drivers/gpu/drm/drm_gem.c b/drivers/gpu/drm/drm_gem.c index 9da5814..6915fb8 100644 --- a/drivers/gpu/drm/drm_gem.c +++ b/drivers/gpu/drm/drm_gem.c @@ -136,7 +136,7 @@ drm_gem_object_alloc(struct drm_device *dev, size_t size) obj = kcalloc(1, sizeof(*obj), GFP_KERNEL); obj->dev = dev; - obj->filp = shmem_file_setup("drm mm object", size, 0); + obj->filp = shmem_file_setup("drm mm object", size, VM_NORESERVE); if (IS_ERR(obj->filp)) { kfree(obj); return NULL; diff --git a/drivers/gpu/drm/drm_irq.c b/drivers/gpu/drm/drm_irq.c index 477caa1..69aa0ab 100644 --- a/drivers/gpu/drm/drm_irq.c +++ b/drivers/gpu/drm/drm_irq.c @@ -106,8 +106,6 @@ void drm_vblank_cleanup(struct drm_device *dev) drm_free(dev->vbl_queue, sizeof(*dev->vbl_queue) * dev->num_crtcs, DRM_MEM_DRIVER); - drm_free(dev->vbl_sigs, sizeof(*dev->vbl_sigs) * dev->num_crtcs, - DRM_MEM_DRIVER); drm_free(dev->_vblank_count, sizeof(*dev->_vblank_count) * dev->num_crtcs, DRM_MEM_DRIVER); drm_free(dev->vblank_refcount, sizeof(*dev->vblank_refcount) * @@ -132,7 +130,6 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) setup_timer(&dev->vblank_disable_timer, vblank_disable_fn, (unsigned long)dev); spin_lock_init(&dev->vbl_lock); - atomic_set(&dev->vbl_signal_pending, 0); dev->num_crtcs = num_crtcs; dev->vbl_queue = drm_alloc(sizeof(wait_queue_head_t) * num_crtcs, @@ -140,11 +137,6 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) if (!dev->vbl_queue) goto err; - dev->vbl_sigs = drm_alloc(sizeof(struct list_head) * num_crtcs, - DRM_MEM_DRIVER); - if (!dev->vbl_sigs) - goto err; - dev->_vblank_count = drm_alloc(sizeof(atomic_t) * num_crtcs, DRM_MEM_DRIVER); if (!dev->_vblank_count) @@ -177,7 +169,6 @@ int drm_vblank_init(struct drm_device *dev, int num_crtcs) /* Zero per-crtc vblank stuff */ for (i = 0; i < num_crtcs; i++) { init_waitqueue_head(&dev->vbl_queue[i]); - INIT_LIST_HEAD(&dev->vbl_sigs[i]); atomic_set(&dev->_vblank_count[i], 0); atomic_set(&dev->vblank_refcount[i], 0); } @@ -540,15 +531,10 @@ out: * \param data user argument, pointing to a drm_wait_vblank structure. * \return zero on success or a negative number on failure. * - * Verifies the IRQ is installed. - * - * If a signal is requested checks if this task has already scheduled the same signal - * for the same vblank sequence number - nothing to be done in - * that case. If the number of tasks waiting for the interrupt exceeds 100 the - * function fails. Otherwise adds a new entry to drm_device::vbl_sigs for this - * task. - * - * If a signal is not requested, then calls vblank_wait(). + * This function enables the vblank interrupt on the pipe requested, then + * sleeps waiting for the requested sequence number to occur, and drops + * the vblank interrupt refcount afterwards. (vblank irq disable follows that + * after a timeout with no further vblank waits scheduled). */ int drm_wait_vblank(struct drm_device *dev, void *data, struct drm_file *file_priv) @@ -560,6 +546,9 @@ int drm_wait_vblank(struct drm_device *dev, void *data, if ((!dev->pdev->irq) || (!dev->irq_enabled)) return -EINVAL; + if (vblwait->request.type & _DRM_VBLANK_SIGNAL) + return -EINVAL; + if (vblwait->request.type & ~(_DRM_VBLANK_TYPES_MASK | _DRM_VBLANK_FLAGS_MASK)) { DRM_ERROR("Unsupported type value 0x%x, supported mask 0x%x\n", @@ -597,89 +586,26 @@ int drm_wait_vblank(struct drm_device *dev, void *data, vblwait->request.sequence = seq + 1; } - if (flags & _DRM_VBLANK_SIGNAL) { - unsigned long irqflags; - struct list_head *vbl_sigs = &dev->vbl_sigs[crtc]; - struct drm_vbl_sig *vbl_sig; - - spin_lock_irqsave(&dev->vbl_lock, irqflags); - - /* Check if this task has already scheduled the same signal - * for the same vblank sequence number; nothing to be done in - * that case - */ - list_for_each_entry(vbl_sig, vbl_sigs, head) { - if (vbl_sig->sequence == vblwait->request.sequence - && vbl_sig->info.si_signo == - vblwait->request.signal - && vbl_sig->task == current) { - spin_unlock_irqrestore(&dev->vbl_lock, - irqflags); - vblwait->reply.sequence = seq; - goto done; - } - } - - if (atomic_read(&dev->vbl_signal_pending) >= 100) { - spin_unlock_irqrestore(&dev->vbl_lock, irqflags); - ret = -EBUSY; - goto done; - } - - spin_unlock_irqrestore(&dev->vbl_lock, irqflags); - - vbl_sig = drm_calloc(1, sizeof(struct drm_vbl_sig), - DRM_MEM_DRIVER); - if (!vbl_sig) { - ret = -ENOMEM; - goto done; - } - - /* Get a refcount on the vblank, which will be released by - * drm_vbl_send_signals(). - */ - ret = drm_vblank_get(dev, crtc); - if (ret) { - drm_free(vbl_sig, sizeof(struct drm_vbl_sig), - DRM_MEM_DRIVER); - goto done; - } - - atomic_inc(&dev->vbl_signal_pending); - - vbl_sig->sequence = vblwait->request.sequence; - vbl_sig->info.si_signo = vblwait->request.signal; - vbl_sig->task = current; + DRM_DEBUG("waiting on vblank count %d, crtc %d\n", + vblwait->request.sequence, crtc); + dev->last_vblank_wait[crtc] = vblwait->request.sequence; + DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ, + (((drm_vblank_count(dev, crtc) - + vblwait->request.sequence) <= (1 << 23)) || + !dev->irq_enabled)); - spin_lock_irqsave(&dev->vbl_lock, irqflags); - - list_add_tail(&vbl_sig->head, vbl_sigs); + if (ret != -EINTR) { + struct timeval now; - spin_unlock_irqrestore(&dev->vbl_lock, irqflags); + do_gettimeofday(&now); - vblwait->reply.sequence = seq; + vblwait->reply.tval_sec = now.tv_sec; + vblwait->reply.tval_usec = now.tv_usec; + vblwait->reply.sequence = drm_vblank_count(dev, crtc); + DRM_DEBUG("returning %d to client\n", + vblwait->reply.sequence); } else { - DRM_DEBUG("waiting on vblank count %d, crtc %d\n", - vblwait->request.sequence, crtc); - dev->last_vblank_wait[crtc] = vblwait->request.sequence; - DRM_WAIT_ON(ret, dev->vbl_queue[crtc], 3 * DRM_HZ, - (((drm_vblank_count(dev, crtc) - - vblwait->request.sequence) <= (1 << 23)) || - !dev->irq_enabled)); - - if (ret != -EINTR) { - struct timeval now; - - do_gettimeofday(&now); - - vblwait->reply.tval_sec = now.tv_sec; - vblwait->reply.tval_usec = now.tv_usec; - vblwait->reply.sequence = drm_vblank_count(dev, crtc); - DRM_DEBUG("returning %d to client\n", - vblwait->reply.sequence); - } else { - DRM_DEBUG("vblank wait interrupted by signal\n"); - } + DRM_DEBUG("vblank wait interrupted by signal\n"); } done: @@ -688,46 +614,6 @@ done: } /** - * Send the VBLANK signals. - * - * \param dev DRM device. - * \param crtc CRTC where the vblank event occurred - * - * Sends a signal for each task in drm_device::vbl_sigs and empties the list. - * - * If a signal is not requested, then calls vblank_wait(). - */ -static void drm_vbl_send_signals(struct drm_device *dev, int crtc) -{ - struct drm_vbl_sig *vbl_sig, *tmp; - struct list_head *vbl_sigs; - unsigned int vbl_seq; - unsigned long flags; - - spin_lock_irqsave(&dev->vbl_lock, flags); - - vbl_sigs = &dev->vbl_sigs[crtc]; - vbl_seq = drm_vblank_count(dev, crtc); - - list_for_each_entry_safe(vbl_sig, tmp, vbl_sigs, head) { - if ((vbl_seq - vbl_sig->sequence) <= (1 << 23)) { - vbl_sig->info.si_code = vbl_seq; - send_sig_info(vbl_sig->info.si_signo, - &vbl_sig->info, vbl_sig->task); - - list_del(&vbl_sig->head); - - drm_free(vbl_sig, sizeof(*vbl_sig), - DRM_MEM_DRIVER); - atomic_dec(&dev->vbl_signal_pending); - drm_vblank_put(dev, crtc); - } - } - - spin_unlock_irqrestore(&dev->vbl_lock, flags); -} - -/** * drm_handle_vblank - handle a vblank event * @dev: DRM device * @crtc: where this event occurred @@ -739,6 +625,5 @@ void drm_handle_vblank(struct drm_device *dev, int crtc) { atomic_inc(&dev->_vblank_count[crtc]); DRM_WAKEUP(&dev->vbl_queue[crtc]); - drm_vbl_send_signals(dev, crtc); } EXPORT_SYMBOL(drm_handle_vblank); diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c index 5ca132a..46bb923 100644 --- a/drivers/gpu/drm/drm_stub.c +++ b/drivers/gpu/drm/drm_stub.c @@ -118,12 +118,20 @@ static void drm_master_destroy(struct kref *kref) struct drm_master *master = container_of(kref, struct drm_master, refcount); struct drm_magic_entry *pt, *next; struct drm_device *dev = master->minor->dev; + struct drm_map_list *r_list, *list_temp; list_del(&master->head); if (dev->driver->master_destroy) dev->driver->master_destroy(dev, master); + list_for_each_entry_safe(r_list, list_temp, &dev->maplist, head) { + if (r_list->master == master) { + drm_rmmap_locked(dev, r_list->map); + r_list = NULL; + } + } + if (master->unique) { drm_free(master->unique, master->unique_size, DRM_MEM_DRIVER); master->unique = NULL; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index bbadf1c..ee64b73 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -944,13 +944,14 @@ static int i915_load_modeset_init(struct drm_device *dev) dev->mode_config.fb_base = drm_get_resource_start(dev, fb_bar) & 0xff000000; - DRM_DEBUG("*** fb base 0x%08lx\n", dev->mode_config.fb_base); - - if (IS_MOBILE(dev) || (IS_I9XX(dev) && !IS_I965G(dev) && !IS_G33(dev))) + if (IS_MOBILE(dev) || IS_I9XX(dev)) dev_priv->cursor_needs_physical = true; else dev_priv->cursor_needs_physical = false; + if (IS_I965G(dev) || IS_G33(dev)) + dev_priv->cursor_needs_physical = false; + ret = i915_probe_agp(dev, &agp_size, &prealloc_size); if (ret) goto kfree_devname; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 96316fd..debad5c 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3364,7 +3364,7 @@ void i915_gem_free_all_phys_object(struct drm_device *dev) { int i; - for (i = 0; i < I915_MAX_PHYS_OBJECT; i++) + for (i = I915_GEM_PHYS_CURSOR_0; i <= I915_MAX_PHYS_OBJECT; i++) i915_gem_free_phys_object(dev, i); } @@ -3427,7 +3427,7 @@ i915_gem_attach_phys_object(struct drm_device *dev, ret = i915_gem_init_phys_object(dev, id, obj->size); if (ret) { - DRM_ERROR("failed to init phys object %d size: %d\n", id, obj->size); + DRM_ERROR("failed to init phys object %d size: %zu\n", id, obj->size); goto out; } } diff --git a/drivers/gpu/drm/i915/intel_i2c.c b/drivers/gpu/drm/i915/intel_i2c.c index a5a2f53..5ee9d4c 100644 --- a/drivers/gpu/drm/i915/intel_i2c.c +++ b/drivers/gpu/drm/i915/intel_i2c.c @@ -137,10 +137,6 @@ struct intel_i2c_chan *intel_i2c_create(struct drm_device *dev, const u32 reg, chan->reg = reg; snprintf(chan->adapter.name, I2C_NAME_SIZE, "intel drm %s", name); chan->adapter.owner = THIS_MODULE; -#ifndef I2C_HW_B_INTELFB -#define I2C_HW_B_INTELFB I2C_HW_B_I810 -#endif - chan->adapter.id = I2C_HW_B_INTELFB; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = &dev->pdev->dev; chan->algo.setsda = set_data; diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c index 2fafdcc..b36a521 100644 --- a/drivers/gpu/drm/i915/intel_lvds.c +++ b/drivers/gpu/drm/i915/intel_lvds.c @@ -311,7 +311,7 @@ static int intel_lvds_get_modes(struct drm_connector *connector) if (dev_priv->panel_fixed_mode != NULL) { struct drm_display_mode *mode; - mutex_unlock(&dev->mode_config.mutex); + mutex_lock(&dev->mode_config.mutex); mode = drm_mode_duplicate(dev, dev_priv->panel_fixed_mode); drm_mode_probed_add(connector, mode); mutex_unlock(&dev->mode_config.mutex); @@ -340,6 +340,18 @@ static void intel_lvds_destroy(struct drm_connector *connector) kfree(connector); } +static int intel_lvds_set_property(struct drm_connector *connector, + struct drm_property *property, + uint64_t value) +{ + struct drm_device *dev = connector->dev; + + if (property == dev->mode_config.dpms_property && connector->encoder) + intel_lvds_dpms(connector->encoder, (uint32_t)(value & 0xf)); + + return 0; +} + static const struct drm_encoder_helper_funcs intel_lvds_helper_funcs = { .dpms = intel_lvds_dpms, .mode_fixup = intel_lvds_mode_fixup, @@ -359,6 +371,7 @@ static const struct drm_connector_funcs intel_lvds_connector_funcs = { .restore = intel_lvds_restore, .detect = intel_lvds_detect, .fill_modes = drm_helper_probe_single_connector_modes, + .set_property = intel_lvds_set_property, .destroy = intel_lvds_destroy, }; diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 5d7640e..6cad69e 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1218,6 +1218,7 @@ int hid_connect(struct hid_device *hdev, unsigned int connect_mask) } EXPORT_SYMBOL_GPL(hid_connect); +/* a list of devices for which there is a specialized driver on HID bus */ static const struct hid_device_id hid_blacklist[] = { { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) }, { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) }, @@ -1476,6 +1477,7 @@ static struct bus_type hid_bus_type = { .uevent = hid_uevent, }; +/* a list of devices that shouldn't be handled by HID core at all */ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) }, { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) }, @@ -1606,6 +1608,8 @@ static const struct hid_device_id hid_ignore_list[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD) }, { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD2) }, { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD3) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD4) }, + { HID_USB_DEVICE(USB_VENDOR_ID_SOUNDGRAPH, USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD5) }, { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY1) }, { HID_USB_DEVICE(USB_VENDOR_ID_TENX, USB_DEVICE_ID_TENX_IBUDDY2) }, { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index acc1abc..e899f51 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -362,6 +362,8 @@ #define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD 0x0038 #define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD2 0x0036 #define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD3 0x0034 +#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD4 0x0044 +#define USB_DEVICE_ID_SOUNDGRAPH_IMON_LCD5 0x0045 #define USB_VENDOR_ID_SUN 0x0430 #define USB_DEVICE_ID_RARITAN_KVM_DONGLE 0xcdab diff --git a/drivers/hid/hid-microsoft.c b/drivers/hid/hid-microsoft.c index d718b16..25b10dc 100644 --- a/drivers/hid/hid-microsoft.c +++ b/drivers/hid/hid-microsoft.c @@ -30,7 +30,7 @@ #define MS_NOGET 0x10 /* - * Microsoft Wireless Desktop Receiver (Model 1028) has several + * Microsoft Wireless Desktop Receiver (Model 1028) has * 'Usage Min/Max' where it ought to have 'Physical Min/Max' */ static void ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, @@ -38,17 +38,12 @@ static void ms_report_fixup(struct hid_device *hdev, __u8 *rdesc, { unsigned long quirks = (unsigned long)hid_get_drvdata(hdev); - if ((quirks & MS_RDESC) && rsize == 571 && rdesc[284] == 0x19 && - rdesc[286] == 0x2a && rdesc[304] == 0x19 && - rdesc[306] == 0x29 && rdesc[352] == 0x1a && - rdesc[355] == 0x2a && rdesc[557] == 0x19 && + if ((quirks & MS_RDESC) && rsize == 571 && rdesc[557] == 0x19 && rdesc[559] == 0x29) { dev_info(&hdev->dev, "fixing up Microsoft Wireless Receiver " "Model 1028 report descriptor\n"); - rdesc[284] = rdesc[304] = rdesc[557] = 0x35; - rdesc[352] = 0x36; - rdesc[286] = rdesc[355] = 0x46; - rdesc[306] = rdesc[559] = 0x45; + rdesc[557] = 0x35; + rdesc[559] = 0x45; } } diff --git a/drivers/hid/usbhid/hiddev.c b/drivers/hid/usbhid/hiddev.c index d73eea3..4940e4d 100644 --- a/drivers/hid/usbhid/hiddev.c +++ b/drivers/hid/usbhid/hiddev.c @@ -656,7 +656,7 @@ static long hiddev_ioctl(struct file *file, unsigned int cmd, unsigned long arg) case HIDIOCGSTRING: mutex_lock(&hiddev->existancelock); - if (!hiddev->exist) + if (hiddev->exist) r = hiddev_ioctl_string(hiddev, cmd, user_arg); else r = -ENODEV; diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index e301862..678e34b 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -83,7 +83,7 @@ /* * Temperature sensors keys (sp78 - 2 bytes). */ -static const char* temperature_sensors_sets[][36] = { +static const char *temperature_sensors_sets[][41] = { /* Set 0: Macbook Pro */ { "TA0P", "TB0T", "TC0D", "TC0P", "TG0H", "TG0P", "TG0T", "Th0H", "Th1H", "Tm0P", "Ts0P", "Ts1P", NULL }, @@ -135,6 +135,13 @@ static const char* temperature_sensors_sets[][36] = { { "TB0T", "TB1S", "TB1T", "TB2S", "TB2T", "TC0D", "TN0D", "TTF0", "TV0P", "TVFP", "TW0P", "Th0P", "Tp0P", "Tp1P", "TpFP", "Ts0P", "Ts0S", NULL }, +/* Set 16: Mac Pro 3,1 (2 x Quad-Core) */ + { "TA0P", "TCAG", "TCAH", "TCBG", "TCBH", "TC0C", "TC0D", "TC0P", + "TC1C", "TC1D", "TC2C", "TC2D", "TC3C", "TC3D", "TH0P", "TH1P", + "TH2P", "TH3P", "TMAP", "TMAS", "TMBS", "TM0P", "TM0S", "TM1P", + "TM1S", "TM2P", "TM2S", "TM3S", "TM8P", "TM8S", "TM9P", "TM9S", + "TN0C", "TN0D", "TN0H", "TS0C", "Tp0C", "Tp1C", "Tv0S", "Tv1S", + NULL }, }; /* List of keys used to read/write fan speeds */ @@ -1153,6 +1160,16 @@ static SENSOR_DEVICE_ATTR(temp34_input, S_IRUGO, applesmc_show_temperature, NULL, 33); static SENSOR_DEVICE_ATTR(temp35_input, S_IRUGO, applesmc_show_temperature, NULL, 34); +static SENSOR_DEVICE_ATTR(temp36_input, S_IRUGO, + applesmc_show_temperature, NULL, 35); +static SENSOR_DEVICE_ATTR(temp37_input, S_IRUGO, + applesmc_show_temperature, NULL, 36); +static SENSOR_DEVICE_ATTR(temp38_input, S_IRUGO, + applesmc_show_temperature, NULL, 37); +static SENSOR_DEVICE_ATTR(temp39_input, S_IRUGO, + applesmc_show_temperature, NULL, 38); +static SENSOR_DEVICE_ATTR(temp40_input, S_IRUGO, + applesmc_show_temperature, NULL, 39); static struct attribute *temperature_attributes[] = { &sensor_dev_attr_temp1_input.dev_attr.attr, @@ -1190,6 +1207,11 @@ static struct attribute *temperature_attributes[] = { &sensor_dev_attr_temp33_input.dev_attr.attr, &sensor_dev_attr_temp34_input.dev_attr.attr, &sensor_dev_attr_temp35_input.dev_attr.attr, + &sensor_dev_attr_temp36_input.dev_attr.attr, + &sensor_dev_attr_temp37_input.dev_attr.attr, + &sensor_dev_attr_temp38_input.dev_attr.attr, + &sensor_dev_attr_temp39_input.dev_attr.attr, + &sensor_dev_attr_temp40_input.dev_attr.attr, NULL }; @@ -1312,6 +1334,8 @@ static __initdata struct dmi_match_data applesmc_dmi_data[] = { { .accelerometer = 0, .light = 0, .temperature_set = 14 }, /* MacBook Air 2,1: accelerometer, backlight and temperature set 15 */ { .accelerometer = 1, .light = 1, .temperature_set = 15 }, +/* MacPro3,1: temperature set 16 */ + { .accelerometer = 0, .light = 0, .temperature_set = 16 }, }; /* Note that DMI_MATCH(...,"MacBook") will match "MacBookPro1,1". @@ -1369,6 +1393,10 @@ static __initdata struct dmi_system_id applesmc_whitelist[] = { DMI_MATCH(DMI_BOARD_VENDOR,"Apple"), DMI_MATCH(DMI_PRODUCT_NAME,"MacPro2") }, &applesmc_dmi_data[4]}, + { applesmc_dmi_match, "Apple MacPro3", { + DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), + DMI_MATCH(DMI_PRODUCT_NAME, "MacPro3") }, + &applesmc_dmi_data[16]}, { applesmc_dmi_match, "Apple MacPro", { DMI_MATCH(DMI_BOARD_VENDOR, "Apple"), DMI_MATCH(DMI_PRODUCT_NAME, "MacPro") }, diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c index 0370524..abf4dfc 100644 --- a/drivers/hwmon/hp_accel.c +++ b/drivers/hwmon/hp_accel.c @@ -153,7 +153,10 @@ static struct axis_conversion lis3lv02d_axis_y_inverted = {1, -2, 3}; static struct axis_conversion lis3lv02d_axis_x_inverted = {-1, 2, 3}; static struct axis_conversion lis3lv02d_axis_z_inverted = {1, 2, -3}; static struct axis_conversion lis3lv02d_axis_xy_rotated_left = {-2, 1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_rotated_left_usd = {-2, 1, -3}; static struct axis_conversion lis3lv02d_axis_xy_swap_inverted = {-2, -1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_rotated_right = {2, -1, 3}; +static struct axis_conversion lis3lv02d_axis_xy_swap_yz_inverted = {2, -1, -3}; #define AXIS_DMI_MATCH(_ident, _name, _axis) { \ .ident = _ident, \ @@ -172,10 +175,12 @@ static struct dmi_system_id lis3lv02d_dmi_ids[] = { AXIS_DMI_MATCH("NC2510", "HP Compaq 2510", y_inverted), AXIS_DMI_MATCH("NC8510", "HP Compaq 8510", xy_swap_inverted), AXIS_DMI_MATCH("HP2133", "HP 2133", xy_rotated_left), + AXIS_DMI_MATCH("NC653x", "HP Compaq 653", xy_rotated_left_usd), + AXIS_DMI_MATCH("NC673x", "HP Compaq 673", xy_rotated_left_usd), + AXIS_DMI_MATCH("NC651xx", "HP Compaq 651", xy_rotated_right), + AXIS_DMI_MATCH("NC671xx", "HP Compaq 671", xy_swap_yz_inverted), { NULL, } /* Laptop models without axis info (yet): - * "NC651xx" "HP Compaq 651" - * "NC671xx" "HP Compaq 671" * "NC6910" "HP Compaq 6910" * HP Compaq 8710x Notebook PC / Mobile Workstation * "NC2400" "HP Compaq nc2400" diff --git a/drivers/i2c/busses/i2c-acorn.c b/drivers/i2c/busses/i2c-acorn.c index 75089fe..9fee3ca 100644 --- a/drivers/i2c/busses/i2c-acorn.c +++ b/drivers/i2c/busses/i2c-acorn.c @@ -83,7 +83,6 @@ static struct i2c_algo_bit_data ioc_data = { }; static struct i2c_adapter ioc_ops = { - .id = I2C_HW_B_IOC, .algo_data = &ioc_data, }; diff --git a/drivers/i2c/busses/i2c-ali1535.c b/drivers/i2c/busses/i2c-ali1535.c index 9cead9b..981e080 100644 --- a/drivers/i2c/busses/i2c-ali1535.c +++ b/drivers/i2c/busses/i2c-ali1535.c @@ -476,7 +476,6 @@ static const struct i2c_algorithm smbus_algorithm = { static struct i2c_adapter ali1535_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_ALI1535, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &smbus_algorithm, }; diff --git a/drivers/i2c/busses/i2c-ali1563.c b/drivers/i2c/busses/i2c-ali1563.c index dd9e796..f70f465 100644 --- a/drivers/i2c/busses/i2c-ali1563.c +++ b/drivers/i2c/busses/i2c-ali1563.c @@ -386,7 +386,6 @@ static const struct i2c_algorithm ali1563_algorithm = { static struct i2c_adapter ali1563_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_ALI1563, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &ali1563_algorithm, }; diff --git a/drivers/i2c/busses/i2c-ali15x3.c b/drivers/i2c/busses/i2c-ali15x3.c index 234fdde..39066de 100644 --- a/drivers/i2c/busses/i2c-ali15x3.c +++ b/drivers/i2c/busses/i2c-ali15x3.c @@ -473,7 +473,6 @@ static const struct i2c_algorithm smbus_algorithm = { static struct i2c_adapter ali15x3_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_ALI15X3, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &smbus_algorithm, }; diff --git a/drivers/i2c/busses/i2c-amd756.c b/drivers/i2c/busses/i2c-amd756.c index 36bee5b..220f4a1 100644 --- a/drivers/i2c/busses/i2c-amd756.c +++ b/drivers/i2c/busses/i2c-amd756.c @@ -298,7 +298,6 @@ static const struct i2c_algorithm smbus_algorithm = { struct i2c_adapter amd756_smbus = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_AMD756, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &smbus_algorithm, }; diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c index 3972208..edab519 100644 --- a/drivers/i2c/busses/i2c-amd8111.c +++ b/drivers/i2c/busses/i2c-amd8111.c @@ -387,7 +387,6 @@ static int __devinit amd8111_probe(struct pci_dev *dev, smbus->adapter.owner = THIS_MODULE; snprintf(smbus->adapter.name, sizeof(smbus->adapter.name), "SMBus2 AMD8111 adapter at %04x", smbus->base); - smbus->adapter.id = I2C_HW_SMBUS_AMD8111; smbus->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD; smbus->adapter.algo = &smbus_algorithm; smbus->adapter.algo_data = smbus; diff --git a/drivers/i2c/busses/i2c-au1550.c b/drivers/i2c/busses/i2c-au1550.c index 66a04c2..f78ce52 100644 --- a/drivers/i2c/busses/i2c-au1550.c +++ b/drivers/i2c/busses/i2c-au1550.c @@ -400,7 +400,6 @@ i2c_au1550_probe(struct platform_device *pdev) priv->xfer_timeout = 200; priv->ack_timeout = 200; - priv->adap.id = I2C_HW_AU1550_PSC; priv->adap.nr = pdev->id; priv->adap.algo = &au1550_algo; priv->adap.algo_data = priv; diff --git a/drivers/i2c/busses/i2c-bfin-twi.c b/drivers/i2c/busses/i2c-bfin-twi.c index 3fd2c41..fc548b3 100644 --- a/drivers/i2c/busses/i2c-bfin-twi.c +++ b/drivers/i2c/busses/i2c-bfin-twi.c @@ -651,7 +651,6 @@ static int i2c_bfin_twi_probe(struct platform_device *pdev) iface->timeout_timer.data = (unsigned long)iface; p_adap = &iface->adap; - p_adap->id = I2C_HW_BLACKFIN; p_adap->nr = pdev->id; strlcpy(p_adap->name, pdev->name, sizeof(p_adap->name)); p_adap->algo = &bfin_twi_algorithm; diff --git a/drivers/i2c/busses/i2c-elektor.c b/drivers/i2c/busses/i2c-elektor.c index 0ed3ccb..448b4bf 100644 --- a/drivers/i2c/busses/i2c-elektor.c +++ b/drivers/i2c/busses/i2c-elektor.c @@ -202,7 +202,6 @@ static struct i2c_algo_pcf_data pcf_isa_data = { static struct i2c_adapter pcf_isa_ops = { .owner = THIS_MODULE, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, - .id = I2C_HW_P_ELEK, .algo_data = &pcf_isa_data, .name = "i2c-elektor", }; diff --git a/drivers/i2c/busses/i2c-hydra.c b/drivers/i2c/busses/i2c-hydra.c index 648aa7b..bec9b84 100644 --- a/drivers/i2c/busses/i2c-hydra.c +++ b/drivers/i2c/busses/i2c-hydra.c @@ -102,7 +102,6 @@ static struct i2c_algo_bit_data hydra_bit_data = { static struct i2c_adapter hydra_adap = { .owner = THIS_MODULE, .name = "Hydra i2c", - .id = I2C_HW_B_HYDRA, .algo_data = &hydra_bit_data, }; diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 526625e..230238d 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -556,7 +556,6 @@ static const struct i2c_algorithm smbus_algorithm = { static struct i2c_adapter i801_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_I801, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &smbus_algorithm, }; diff --git a/drivers/i2c/busses/i2c-ibm_iic.c b/drivers/i2c/busses/i2c-ibm_iic.c index 651f2f1..88f0db7 100644 --- a/drivers/i2c/busses/i2c-ibm_iic.c +++ b/drivers/i2c/busses/i2c-ibm_iic.c @@ -746,7 +746,6 @@ static int __devinit iic_probe(struct of_device *ofdev, adap->dev.parent = &ofdev->dev; strlcpy(adap->name, "IBM IIC", sizeof(adap->name)); i2c_set_adapdata(adap, dev); - adap->id = I2C_HW_OCP; adap->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; adap->algo = &iic_algo; adap->timeout = 1; diff --git a/drivers/i2c/busses/i2c-iop3xx.c b/drivers/i2c/busses/i2c-iop3xx.c index fc2714a..3190690 100644 --- a/drivers/i2c/busses/i2c-iop3xx.c +++ b/drivers/i2c/busses/i2c-iop3xx.c @@ -480,7 +480,6 @@ iop3xx_i2c_probe(struct platform_device *pdev) } memcpy(new_adapter->name, pdev->name, strlen(pdev->name)); - new_adapter->id = I2C_HW_IOP3XX; new_adapter->owner = THIS_MODULE; new_adapter->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; new_adapter->dev.parent = &pdev->dev; diff --git a/drivers/i2c/busses/i2c-ixp2000.c b/drivers/i2c/busses/i2c-ixp2000.c index 05d72e9..8e84679 100644 --- a/drivers/i2c/busses/i2c-ixp2000.c +++ b/drivers/i2c/busses/i2c-ixp2000.c @@ -116,7 +116,6 @@ static int ixp2000_i2c_probe(struct platform_device *plat_dev) drv_data->algo_data.udelay = 6; drv_data->algo_data.timeout = 100; - drv_data->adapter.id = I2C_HW_B_IXP2000, strlcpy(drv_data->adapter.name, plat_dev->dev.driver->name, sizeof(drv_data->adapter.name)); drv_data->adapter.algo_data = &drv_data->algo_data, diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c index a9a45fc..aedbbe6 100644 --- a/drivers/i2c/busses/i2c-mpc.c +++ b/drivers/i2c/busses/i2c-mpc.c @@ -310,7 +310,6 @@ static const struct i2c_algorithm mpc_algo = { static struct i2c_adapter mpc_ops = { .owner = THIS_MODULE, .name = "MPC adapter", - .id = I2C_HW_MPC107, .algo = &mpc_algo, .timeout = 1, }; diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c index 9e8118d..eeda276f 100644 --- a/drivers/i2c/busses/i2c-mv64xxx.c +++ b/drivers/i2c/busses/i2c-mv64xxx.c @@ -527,7 +527,6 @@ mv64xxx_i2c_probe(struct platform_device *pd) goto exit_unmap_regs; } drv_data->adapter.dev.parent = &pd->dev; - drv_data->adapter.id = I2C_HW_MV64XXX; drv_data->adapter.algo = &mv64xxx_i2c_algo; drv_data->adapter.owner = THIS_MODULE; drv_data->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD; diff --git a/drivers/i2c/busses/i2c-nforce2.c b/drivers/i2c/busses/i2c-nforce2.c index 3b19bc4..05af6cd 100644 --- a/drivers/i2c/busses/i2c-nforce2.c +++ b/drivers/i2c/busses/i2c-nforce2.c @@ -355,7 +355,6 @@ static int __devinit nforce2_probe_smb (struct pci_dev *dev, int bar, return -EBUSY; } smbus->adapter.owner = THIS_MODULE; - smbus->adapter.id = I2C_HW_SMBUS_NFORCE2; smbus->adapter.class = I2C_CLASS_HWMON | I2C_CLASS_SPD; smbus->adapter.algo = &smbus_algorithm; smbus->adapter.algo_data = smbus; diff --git a/drivers/i2c/busses/i2c-parport-light.c b/drivers/i2c/busses/i2c-parport-light.c index b2b8380..322c569 100644 --- a/drivers/i2c/busses/i2c-parport-light.c +++ b/drivers/i2c/busses/i2c-parport-light.c @@ -115,7 +115,6 @@ static struct i2c_algo_bit_data parport_algo_data = { static struct i2c_adapter parport_adapter = { .owner = THIS_MODULE, .class = I2C_CLASS_HWMON, - .id = I2C_HW_B_LP, .algo_data = &parport_algo_data, .name = "Parallel port adapter (light)", }; diff --git a/drivers/i2c/busses/i2c-parport.c b/drivers/i2c/busses/i2c-parport.c index a257cd5..0d89986 100644 --- a/drivers/i2c/busses/i2c-parport.c +++ b/drivers/i2c/busses/i2c-parport.c @@ -164,7 +164,6 @@ static void i2c_parport_attach (struct parport *port) /* Fill the rest of the structure */ adapter->adapter.owner = THIS_MODULE; adapter->adapter.class = I2C_CLASS_HWMON; - adapter->adapter.id = I2C_HW_B_LP; strlcpy(adapter->adapter.name, "Parallel port adapter", sizeof(adapter->adapter.name)); adapter->algo_data = parport_algo_data; diff --git a/drivers/i2c/busses/i2c-pca-isa.c b/drivers/i2c/busses/i2c-pca-isa.c index 9eb7626..4aa8138 100644 --- a/drivers/i2c/busses/i2c-pca-isa.c +++ b/drivers/i2c/busses/i2c-pca-isa.c @@ -101,7 +101,6 @@ static struct i2c_algo_pca_data pca_isa_data = { static struct i2c_adapter pca_isa_ops = { .owner = THIS_MODULE, - .id = I2C_HW_A_ISA, .algo_data = &pca_isa_data, .name = "PCA9564 ISA Adapter", .timeout = 100, diff --git a/drivers/i2c/busses/i2c-piix4.c b/drivers/i2c/busses/i2c-piix4.c index eaa9b38..761f9dd 100644 --- a/drivers/i2c/busses/i2c-piix4.c +++ b/drivers/i2c/busses/i2c-piix4.c @@ -403,7 +403,6 @@ static const struct i2c_algorithm smbus_algorithm = { static struct i2c_adapter piix4_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_PIIX4, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &smbus_algorithm, }; diff --git a/drivers/i2c/busses/i2c-sibyte.c b/drivers/i2c/busses/i2c-sibyte.c index 4ddefbf..98b1ec4 100644 --- a/drivers/i2c/busses/i2c-sibyte.c +++ b/drivers/i2c/busses/i2c-sibyte.c @@ -155,7 +155,6 @@ static struct i2c_algo_sibyte_data sibyte_board_data[2] = { static struct i2c_adapter sibyte_board_adapter[2] = { { .owner = THIS_MODULE, - .id = I2C_HW_SIBYTE, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = NULL, .algo_data = &sibyte_board_data[0], @@ -164,7 +163,6 @@ static struct i2c_adapter sibyte_board_adapter[2] = { }, { .owner = THIS_MODULE, - .id = I2C_HW_SIBYTE, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = NULL, .algo_data = &sibyte_board_data[1], diff --git a/drivers/i2c/busses/i2c-sis5595.c b/drivers/i2c/busses/i2c-sis5595.c index 8ce2daf..f320ab2 100644 --- a/drivers/i2c/busses/i2c-sis5595.c +++ b/drivers/i2c/busses/i2c-sis5595.c @@ -365,7 +365,6 @@ static const struct i2c_algorithm smbus_algorithm = { static struct i2c_adapter sis5595_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_SIS5595, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &smbus_algorithm, }; diff --git a/drivers/i2c/busses/i2c-sis630.c b/drivers/i2c/busses/i2c-sis630.c index 9c9c016..50c3610 100644 --- a/drivers/i2c/busses/i2c-sis630.c +++ b/drivers/i2c/busses/i2c-sis630.c @@ -464,7 +464,6 @@ static const struct i2c_algorithm smbus_algorithm = { static struct i2c_adapter sis630_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_SIS630, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &smbus_algorithm, }; diff --git a/drivers/i2c/busses/i2c-sis96x.c b/drivers/i2c/busses/i2c-sis96x.c index f1bba63..7e1594b 100644 --- a/drivers/i2c/busses/i2c-sis96x.c +++ b/drivers/i2c/busses/i2c-sis96x.c @@ -241,7 +241,6 @@ static const struct i2c_algorithm smbus_algorithm = { static struct i2c_adapter sis96x_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_SIS96X, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &smbus_algorithm, }; diff --git a/drivers/i2c/busses/i2c-via.c b/drivers/i2c/busses/i2c-via.c index 29cef04..8b24f19 100644 --- a/drivers/i2c/busses/i2c-via.c +++ b/drivers/i2c/busses/i2c-via.c @@ -83,7 +83,6 @@ static struct i2c_algo_bit_data bit_data = { static struct i2c_adapter vt586b_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_B_VIA, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .name = "VIA i2c", .algo_data = &bit_data, diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c index 9f194d9..02e6f72 100644 --- a/drivers/i2c/busses/i2c-viapro.c +++ b/drivers/i2c/busses/i2c-viapro.c @@ -321,7 +321,6 @@ static const struct i2c_algorithm smbus_algorithm = { static struct i2c_adapter vt596_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_SMBUS_VIA2, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, .algo = &smbus_algorithm, }; diff --git a/drivers/i2c/busses/i2c-voodoo3.c b/drivers/i2c/busses/i2c-voodoo3.c index 1d4ae26..1a474ac 100644 --- a/drivers/i2c/busses/i2c-voodoo3.c +++ b/drivers/i2c/busses/i2c-voodoo3.c @@ -163,7 +163,6 @@ static struct i2c_algo_bit_data voo_i2c_bit_data = { static struct i2c_adapter voodoo3_i2c_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_B_VOO, .class = I2C_CLASS_TV_ANALOG, .name = "I2C Voodoo3/Banshee adapter", .algo_data = &voo_i2c_bit_data, @@ -180,7 +179,6 @@ static struct i2c_algo_bit_data voo_ddc_bit_data = { static struct i2c_adapter voodoo3_ddc_adapter = { .owner = THIS_MODULE, - .id = I2C_HW_B_VOO, .class = I2C_CLASS_DDC, .name = "DDC Voodoo3/Banshee adapter", .algo_data = &voo_ddc_bit_data, diff --git a/drivers/i2c/busses/scx200_acb.c b/drivers/i2c/busses/scx200_acb.c index ed794b1..648ecc6 100644 --- a/drivers/i2c/busses/scx200_acb.c +++ b/drivers/i2c/busses/scx200_acb.c @@ -440,7 +440,6 @@ static __init struct scx200_acb_iface *scx200_create_iface(const char *text, i2c_set_adapdata(adapter, iface); snprintf(adapter->name, sizeof(adapter->name), "%s ACB%d", text, index); adapter->owner = THIS_MODULE; - adapter->id = I2C_HW_SMBUS_SCX200; adapter->algo = &scx200_acb_algorithm; adapter->class = I2C_CLASS_HWMON | I2C_CLASS_SPD; adapter->dev.parent = dev; diff --git a/drivers/i2c/busses/scx200_i2c.c b/drivers/i2c/busses/scx200_i2c.c index e4c9853..162b74a 100644 --- a/drivers/i2c/busses/scx200_i2c.c +++ b/drivers/i2c/busses/scx200_i2c.c @@ -82,7 +82,6 @@ static struct i2c_algo_bit_data scx200_i2c_data = { static struct i2c_adapter scx200_i2c_ops = { .owner = THIS_MODULE, .class = I2C_CLASS_HWMON | I2C_CLASS_SPD, - .id = I2C_HW_B_SCX200, .algo_data = &scx200_i2c_data, .name = "NatSemi SCx200 I2C", }; diff --git a/drivers/i2c/chips/Kconfig b/drivers/i2c/chips/Kconfig index b9bef04..c80312c 100644 --- a/drivers/i2c/chips/Kconfig +++ b/drivers/i2c/chips/Kconfig @@ -16,43 +16,6 @@ config DS1682 This driver can also be built as a module. If so, the module will be called ds1682. -config AT24 - tristate "EEPROMs from most vendors" - depends on SYSFS && EXPERIMENTAL - help - Enable this driver to get read/write support to most I2C EEPROMs, - after you configure the driver to know about each EEPROM on - your target board. Use these generic chip names, instead of - vendor-specific ones like at24c64 or 24lc02: - - 24c00, 24c01, 24c02, spd (readonly 24c02), 24c04, 24c08, - 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024 - - Unless you like data loss puzzles, always be sure that any chip - you configure as a 24c32 (32 kbit) or larger is NOT really a - 24c16 (16 kbit) or smaller, and vice versa. Marking the chip - as read-only won't help recover from this. Also, if your chip - has any software write-protect mechanism you may want to review the - code to make sure this driver won't turn it on by accident. - - If you use this with an SMBus adapter instead of an I2C adapter, - full functionality is not available. Only smaller devices are - supported (24c16 and below, max 4 kByte). - - This driver can also be built as a module. If so, the module - will be called at24. - -config SENSORS_EEPROM - tristate "EEPROM reader" - depends on EXPERIMENTAL - help - If you say yes here you get read-only access to the EEPROM data - available on modern memory DIMMs and Sony Vaio laptops. Such - EEPROMs could theoretically be available on other devices as well. - - This driver can also be built as a module. If so, the module - will be called eeprom. - config SENSORS_PCF8574 tristate "Philips PCF8574 and PCF8574A (DEPRECATED)" depends on EXPERIMENTAL && GPIO_PCF857X = "n" diff --git a/drivers/i2c/chips/Makefile b/drivers/i2c/chips/Makefile index 00fcb51..d142f23 100644 --- a/drivers/i2c/chips/Makefile +++ b/drivers/i2c/chips/Makefile @@ -11,8 +11,6 @@ # obj-$(CONFIG_DS1682) += ds1682.o -obj-$(CONFIG_AT24) += at24.o -obj-$(CONFIG_SENSORS_EEPROM) += eeprom.o obj-$(CONFIG_SENSORS_MAX6875) += max6875.o obj-$(CONFIG_SENSORS_PCA9539) += pca9539.o obj-$(CONFIG_SENSORS_PCF8574) += pcf8574.o diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig index b1c6f68..3dad229 100644 --- a/drivers/ide/Kconfig +++ b/drivers/ide/Kconfig @@ -465,6 +465,16 @@ config BLK_DEV_CS5535 It is safe to say Y to this question. +config BLK_DEV_CS5536 + tristate "CS5536 chipset support" + depends on X86_32 + select BLK_DEV_IDEDMA_PCI + help + This option enables support for the AMD CS5536 + companion chip used with the Geode LX processor family. + + If unsure, say N. + config BLK_DEV_HPT366 tristate "HPT36X/37X chipset support" select BLK_DEV_IDEDMA_PCI diff --git a/drivers/ide/Makefile b/drivers/ide/Makefile index c2b9c93..d0e3d7d 100644 --- a/drivers/ide/Makefile +++ b/drivers/ide/Makefile @@ -43,6 +43,7 @@ obj-$(CONFIG_BLK_DEV_CMD64X) += cmd64x.o obj-$(CONFIG_BLK_DEV_CS5520) += cs5520.o obj-$(CONFIG_BLK_DEV_CS5530) += cs5530.o obj-$(CONFIG_BLK_DEV_CS5535) += cs5535.o +obj-$(CONFIG_BLK_DEV_CS5536) += cs5536.o obj-$(CONFIG_BLK_DEV_SC1200) += sc1200.o obj-$(CONFIG_BLK_DEV_CY82C693) += cy82c693.o obj-$(CONFIG_BLK_DEV_DELKIN) += delkin_cb.o diff --git a/drivers/ide/cs5536.c b/drivers/ide/cs5536.c new file mode 100644 index 0000000..7a62db7 --- /dev/null +++ b/drivers/ide/cs5536.c @@ -0,0 +1,308 @@ +/* + * CS5536 PATA support + * (C) 2007 Martin K. Petersen <mkp@mkp.net> + * (C) 2009 Bartlomiej Zolnierkiewicz + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + * Documentation: + * Available from AMD web site. + * + * The IDE timing registers for the CS5536 live in the Geode Machine + * Specific Register file and not PCI config space. Most BIOSes + * virtualize the PCI registers so the chip looks like a standard IDE + * controller. Unfortunately not all implementations get this right. + * In particular some have problems with unaligned accesses to the + * virtualized PCI registers. This driver always does full dword + * writes to work around the issue. Also, in case of a bad BIOS this + * driver can be loaded with the "msr=1" parameter which forces using + * the Machine Specific Registers to configure the device. + */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/pci.h> +#include <linux/init.h> +#include <linux/ide.h> +#include <asm/msr.h> + +#define DRV_NAME "cs5536" + +enum { + MSR_IDE_CFG = 0x51300010, + PCI_IDE_CFG = 0x40, + + CFG = 0, + DTC = 2, + CAST = 3, + ETC = 4, + + IDE_CFG_CHANEN = (1 << 1), + IDE_CFG_CABLE = (1 << 17) | (1 << 16), + + IDE_D0_SHIFT = 24, + IDE_D1_SHIFT = 16, + IDE_DRV_MASK = 0xff, + + IDE_CAST_D0_SHIFT = 6, + IDE_CAST_D1_SHIFT = 4, + IDE_CAST_DRV_MASK = 0x3, + + IDE_CAST_CMD_SHIFT = 24, + IDE_CAST_CMD_MASK = 0xff, + + IDE_ETC_UDMA_MASK = 0xc0, +}; + +static int use_msr; + +static int cs5536_read(struct pci_dev *pdev, int reg, u32 *val) +{ + if (unlikely(use_msr)) { + u32 dummy; + + rdmsr(MSR_IDE_CFG + reg, *val, dummy); + return 0; + } + + return pci_read_config_dword(pdev, PCI_IDE_CFG + reg * 4, val); +} + +static int cs5536_write(struct pci_dev *pdev, int reg, int val) +{ + if (unlikely(use_msr)) { + wrmsr(MSR_IDE_CFG + reg, val, 0); + return 0; + } + + return pci_write_config_dword(pdev, PCI_IDE_CFG + reg * 4, val); +} + +static void cs5536_program_dtc(ide_drive_t *drive, u8 tim) +{ + struct pci_dev *pdev = to_pci_dev(drive->hwif->dev); + int dshift = (drive->dn & 1) ? IDE_D1_SHIFT : IDE_D0_SHIFT; + u32 dtc; + + cs5536_read(pdev, DTC, &dtc); + dtc &= ~(IDE_DRV_MASK << dshift); + dtc |= tim << dshift; + cs5536_write(pdev, DTC, dtc); +} + +/** + * cs5536_cable_detect - detect cable type + * @hwif: Port to detect on + * + * Perform cable detection for ATA66 capable cable. + * + * Returns a cable type. + */ + +static u8 cs5536_cable_detect(ide_hwif_t *hwif) +{ + struct pci_dev *pdev = to_pci_dev(hwif->dev); + u32 cfg; + + cs5536_read(pdev, CFG, &cfg); + + if (cfg & IDE_CFG_CABLE) + return ATA_CBL_PATA80; + else + return ATA_CBL_PATA40; +} + +/** + * cs5536_set_pio_mode - PIO timing setup + * @drive: ATA device + * @pio: PIO mode number + */ + +static void cs5536_set_pio_mode(ide_drive_t *drive, const u8 pio) +{ + static const u8 drv_timings[5] = { + 0x98, 0x55, 0x32, 0x21, 0x20, + }; + + static const u8 addr_timings[5] = { + 0x2, 0x1, 0x0, 0x0, 0x0, + }; + + static const u8 cmd_timings[5] = { + 0x99, 0x92, 0x90, 0x22, 0x20, + }; + + struct pci_dev *pdev = to_pci_dev(drive->hwif->dev); + ide_drive_t *pair = ide_get_pair_dev(drive); + int cshift = (drive->dn & 1) ? IDE_CAST_D1_SHIFT : IDE_CAST_D0_SHIFT; + u32 cast; + u8 cmd_pio = pio; + + if (pair) + cmd_pio = min(pio, ide_get_best_pio_mode(pair, 255, 4)); + + drive->drive_data &= (IDE_DRV_MASK << 8); + drive->drive_data |= drv_timings[pio]; + + cs5536_program_dtc(drive, drv_timings[pio]); + + cs5536_read(pdev, CAST, &cast); + + cast &= ~(IDE_CAST_DRV_MASK << cshift); + cast |= addr_timings[pio] << cshift; + + cast &= ~(IDE_CAST_CMD_MASK << IDE_CAST_CMD_SHIFT); + cast |= cmd_timings[cmd_pio] << IDE_CAST_CMD_SHIFT; + + cs5536_write(pdev, CAST, cast); +} + +/** + * cs5536_set_dma_mode - DMA timing setup + * @drive: ATA device + * @mode: DMA mode + */ + +static void cs5536_set_dma_mode(ide_drive_t *drive, const u8 mode) +{ + static const u8 udma_timings[6] = { + 0xc2, 0xc1, 0xc0, 0xc4, 0xc5, 0xc6, + }; + + static const u8 mwdma_timings[3] = { + 0x67, 0x21, 0x20, + }; + + struct pci_dev *pdev = to_pci_dev(drive->hwif->dev); + int dshift = (drive->dn & 1) ? IDE_D1_SHIFT : IDE_D0_SHIFT; + u32 etc; + + cs5536_read(pdev, ETC, &etc); + + if (mode >= XFER_UDMA_0) { + etc &= ~(IDE_DRV_MASK << dshift); + etc |= udma_timings[mode - XFER_UDMA_0] << dshift; + } else { /* MWDMA */ + etc &= ~(IDE_ETC_UDMA_MASK << dshift); + drive->drive_data &= IDE_DRV_MASK; + drive->drive_data |= mwdma_timings[mode - XFER_MW_DMA_0] << 8; + } + + cs5536_write(pdev, ETC, etc); +} + +static void cs5536_dma_start(ide_drive_t *drive) +{ + if (drive->current_speed < XFER_UDMA_0 && + (drive->drive_data >> 8) != (drive->drive_data & IDE_DRV_MASK)) + cs5536_program_dtc(drive, drive->drive_data >> 8); + + ide_dma_start(drive); +} + +static int cs5536_dma_end(ide_drive_t *drive) +{ + int ret = ide_dma_end(drive); + + if (drive->current_speed < XFER_UDMA_0 && + (drive->drive_data >> 8) != (drive->drive_data & IDE_DRV_MASK)) + cs5536_program_dtc(drive, drive->drive_data & IDE_DRV_MASK); + + return ret; +} + +static const struct ide_port_ops cs5536_port_ops = { + .set_pio_mode = cs5536_set_pio_mode, + .set_dma_mode = cs5536_set_dma_mode, + .cable_detect = cs5536_cable_detect, +}; + +static const struct ide_dma_ops cs5536_dma_ops = { + .dma_host_set = ide_dma_host_set, + .dma_setup = ide_dma_setup, + .dma_exec_cmd = ide_dma_exec_cmd, + .dma_start = cs5536_dma_start, + .dma_end = cs5536_dma_end, + .dma_test_irq = ide_dma_test_irq, + .dma_lost_irq = ide_dma_lost_irq, + .dma_timeout = ide_dma_timeout, +}; + +static const struct ide_port_info cs5536_info = { + .name = DRV_NAME, + .port_ops = &cs5536_port_ops, + .dma_ops = &cs5536_dma_ops, + .host_flags = IDE_HFLAG_SINGLE, + .pio_mask = ATA_PIO4, + .mwdma_mask = ATA_MWDMA2, + .udma_mask = ATA_UDMA5, +}; + +/** + * cs5536_init_one + * @dev: PCI device + * @id: Entry in match table + */ + +static int cs5536_init_one(struct pci_dev *dev, const struct pci_device_id *id) +{ + u32 cfg; + + if (use_msr) + printk(KERN_INFO DRV_NAME ": Using MSR regs instead of PCI\n"); + + cs5536_read(dev, CFG, &cfg); + + if ((cfg & IDE_CFG_CHANEN) == 0) { + printk(KERN_ERR DRV_NAME ": disabled by BIOS\n"); + return -ENODEV; + } + + return ide_pci_init_one(dev, &cs5536_info, NULL); +} + +static const struct pci_device_id cs5536_pci_tbl[] = { + { PCI_VDEVICE(AMD, PCI_DEVICE_ID_AMD_CS5536_IDE), }, + { }, +}; + +static struct pci_driver cs5536_pci_driver = { + .name = DRV_NAME, + .id_table = cs5536_pci_tbl, + .probe = cs5536_init_one, + .remove = ide_pci_remove, + .suspend = ide_pci_suspend, + .resume = ide_pci_resume, +}; + +static int __init cs5536_init(void) +{ + return pci_register_driver(&cs5536_pci_driver); +} + +static void __exit cs5536_exit(void) +{ + pci_unregister_driver(&cs5536_pci_driver); +} + +MODULE_AUTHOR("Martin K. Petersen, Bartlomiej Zolnierkiewicz"); +MODULE_DESCRIPTION("low-level driver for the CS5536 IDE controller"); +MODULE_LICENSE("GPL"); +MODULE_DEVICE_TABLE(pci, cs5536_pci_tbl); + +module_param_named(msr, use_msr, int, 0644); +MODULE_PARM_DESC(msr, "Force using MSR to configure IDE function (Default: 0)"); + +module_init(cs5536_init); +module_exit(cs5536_exit); diff --git a/drivers/ide/falconide.c b/drivers/ide/falconide.c index a5ba820..a638e95 100644 --- a/drivers/ide/falconide.c +++ b/drivers/ide/falconide.c @@ -82,7 +82,7 @@ static const struct ide_tp_ops falconide_tp_ops = { static const struct ide_port_info falconide_port_info = { .tp_ops = &falconide_tp_ops, - .host_flags = IDE_HFLAG_NO_DMA, + .host_flags = IDE_HFLAG_NO_DMA | IDE_HFLAG_SERIALIZE, }; static void __init falconide_setup_ports(hw_regs_t *hw) diff --git a/drivers/ide/icside.c b/drivers/ide/icside.c index 97a35c6..415d7e2 100644 --- a/drivers/ide/icside.c +++ b/drivers/ide/icside.c @@ -534,7 +534,7 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec) d.dma_ops = NULL; } - ret = ide_host_register(host, NULL, hws); + ret = ide_host_register(host, &d, hws); if (ret) goto err_free; diff --git a/drivers/ide/ide-acpi.c b/drivers/ide/ide-acpi.c index d8f295b..ec7d07f 100644 --- a/drivers/ide/ide-acpi.c +++ b/drivers/ide/ide-acpi.c @@ -282,7 +282,7 @@ static int do_drive_get_GTF(ide_drive_t *drive, port = hwif->channel ? drive->dn - 2: drive->dn; DEBPRINT("ENTER: %s at %s, port#: %d, hard_port#: %d\n", - hwif->name, dev->bus_id, port, hwif->channel); + hwif->name, dev_name(dev), port, hwif->channel); if ((drive->dev_flags & IDE_DFLAG_PRESENT) == 0) { DEBPRINT("%s drive %d:%d not present\n", diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index cae6937..0bfeb0c 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -787,6 +787,9 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive) if (blk_fs_request(rq)) { ide_end_request(drive, 1, rq->nr_sectors); return ide_stopped; + } else if (rq->cmd_type == REQ_TYPE_ATA_PC && !rq->bio) { + ide_end_request(drive, 1, 1); + return ide_stopped; } goto end_request; } diff --git a/drivers/ide/ide-io.c b/drivers/ide/ide-io.c index cc16331..9ee51ad 100644 --- a/drivers/ide/ide-io.c +++ b/drivers/ide/ide-io.c @@ -418,11 +418,14 @@ void ide_map_sg(ide_drive_t *drive, struct request *rq) ide_hwif_t *hwif = drive->hwif; struct scatterlist *sg = hwif->sg_table; - if (rq->cmd_type != REQ_TYPE_ATA_TASKFILE) { - hwif->sg_nents = blk_rq_map_sg(drive->queue, rq, sg); - } else { + if (rq->cmd_type == REQ_TYPE_ATA_TASKFILE) { sg_init_one(sg, rq->buffer, rq->nr_sectors * SECTOR_SIZE); hwif->sg_nents = 1; + } else if (!rq->bio) { + sg_init_one(sg, rq->data, rq->data_len); + hwif->sg_nents = 1; + } else { + hwif->sg_nents = blk_rq_map_sg(drive->queue, rq, sg); } } diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c index 312127e..ce0818a 100644 --- a/drivers/ide/ide-probe.c +++ b/drivers/ide/ide-probe.c @@ -649,7 +649,8 @@ static int ide_register_port(ide_hwif_t *hwif) /* register with global device tree */ dev_set_name(&hwif->gendev, hwif->name); hwif->gendev.driver_data = hwif; - hwif->gendev.parent = hwif->dev; + if (hwif->gendev.parent == NULL) + hwif->gendev.parent = hwif->dev; hwif->gendev.release = hwif_release_dev; ret = device_register(&hwif->gendev); @@ -1466,6 +1467,30 @@ struct ide_host *ide_host_alloc(const struct ide_port_info *d, hw_regs_t **hws) } EXPORT_SYMBOL_GPL(ide_host_alloc); +static void ide_port_free(ide_hwif_t *hwif) +{ + ide_port_free_devices(hwif); + ide_free_port_slot(hwif->index); + kfree(hwif); +} + +static void ide_disable_port(ide_hwif_t *hwif) +{ + struct ide_host *host = hwif->host; + int i; + + printk(KERN_INFO "%s: disabling port\n", hwif->name); + + for (i = 0; i < MAX_HOST_PORTS; i++) { + if (host->ports[i] == hwif) { + host->ports[i] = NULL; + host->n_ports--; + } + } + + ide_port_free(hwif); +} + int ide_host_register(struct ide_host *host, const struct ide_port_info *d, hw_regs_t **hws) { @@ -1506,8 +1531,12 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, hwif->present = 1; if (hwif->chipset != ide_4drives || !hwif->mate || - !hwif->mate->present) - ide_register_port(hwif); + !hwif->mate->present) { + if (ide_register_port(hwif)) { + ide_disable_port(hwif); + continue; + } + } if (hwif->present) ide_port_tune_devices(hwif); @@ -1520,7 +1549,8 @@ int ide_host_register(struct ide_host *host, const struct ide_port_info *d, if (hwif_init(hwif) == 0) { printk(KERN_INFO "%s: failed to initialize IDE " "interface\n", hwif->name); - hwif->present = 0; + device_unregister(&hwif->gendev); + ide_disable_port(hwif); continue; } @@ -1659,12 +1689,8 @@ void ide_host_free(struct ide_host *host) int i; ide_host_for_each_port(i, hwif, host) { - if (hwif == NULL) - continue; - - ide_port_free_devices(hwif); - ide_free_port_slot(hwif->index); - kfree(hwif); + if (hwif) + ide_port_free(hwif); } kfree(host); diff --git a/drivers/ide/palm_bk3710.c b/drivers/ide/palm_bk3710.c index a7ac490..f38aac7 100644 --- a/drivers/ide/palm_bk3710.c +++ b/drivers/ide/palm_bk3710.c @@ -346,7 +346,8 @@ static int __init palm_bk3710_probe(struct platform_device *pdev) { struct clk *clk; struct resource *mem, *irq; - unsigned long base, rate; + void __iomem *base; + unsigned long rate; int i, rc; hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL }; @@ -382,11 +383,13 @@ static int __init palm_bk3710_probe(struct platform_device *pdev) base = IO_ADDRESS(mem->start); /* Configure the Palm Chip controller */ - palm_bk3710_chipinit((void __iomem *)base); + palm_bk3710_chipinit(base); for (i = 0; i < IDE_NR_PORTS - 2; i++) - hw.io_ports_array[i] = base + IDE_PALM_ATA_PRI_REG_OFFSET + i; - hw.io_ports.ctl_addr = base + IDE_PALM_ATA_PRI_CTL_OFFSET; + hw.io_ports_array[i] = (unsigned long) + (base + IDE_PALM_ATA_PRI_REG_OFFSET + i); + hw.io_ports.ctl_addr = (unsigned long) + (base + IDE_PALM_ATA_PRI_CTL_OFFSET); hw.irq = irq->start; hw.dev = &pdev->dev; hw.chipset = ide_palm3710; diff --git a/drivers/ide/qd65xx.c b/drivers/ide/qd65xx.c index 5b2e3af4..08c4fa3 100644 --- a/drivers/ide/qd65xx.c +++ b/drivers/ide/qd65xx.c @@ -16,7 +16,7 @@ /* * Rewritten from the work of Colten Edwards <pje120@cs.usask.ca> by - * Samuel Thibault <samuel.thibault@fnac.net> + * Samuel Thibault <samuel.thibault@ens-lyon.org> */ #include <linux/module.h> diff --git a/drivers/ide/qd65xx.h b/drivers/ide/qd65xx.h index 6636f96..d7e67a1 100644 --- a/drivers/ide/qd65xx.h +++ b/drivers/ide/qd65xx.h @@ -4,7 +4,7 @@ /* * Authors: Petr Soucek <petr@ryston.cz> - * Samuel Thibault <samuel.thibault@fnac.net> + * Samuel Thibault <samuel.thibault@ens-lyon.org> */ /* truncates a in [b,c] */ diff --git a/drivers/ide/tx4939ide.c b/drivers/ide/tx4939ide.c index 882f6f0..40b0812 100644 --- a/drivers/ide/tx4939ide.c +++ b/drivers/ide/tx4939ide.c @@ -261,9 +261,9 @@ static int tx4939ide_build_dmatable(ide_drive_t *drive, struct request *rq) bcount = cur_len; /* * This workaround for zero count seems required. - * (standard ide_build_dmatable do it too) + * (standard ide_build_dmatable does it too) */ - if ((bcount & 0xffff) == 0x0000) + if (bcount == 0x10000) bcount = 0x8000; *table++ = bcount & 0xffff; *table++ = cur_addr; diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c index 703c3ee..6092fe3 100644 --- a/drivers/ide/via82cxxx.c +++ b/drivers/ide/via82cxxx.c @@ -448,6 +448,11 @@ static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_i d.host_flags |= IDE_HFLAG_FORCE_LEGACY_IRQS; #endif +#ifdef CONFIG_AMIGAONE + if (machine_is(amigaone)) + d.host_flags |= IDE_HFLAG_FORCE_LEGACY_IRQS; +#endif + d.udma_mask = via_config->udma_mask; vdev = kzalloc(sizeof(*vdev), GFP_KERNEL); diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c index a329e6b..3838bc4 100644 --- a/drivers/ieee1394/dv1394.c +++ b/drivers/ieee1394/dv1394.c @@ -1823,6 +1823,10 @@ static int dv1394_open(struct inode *inode, struct file *file) #endif + printk(KERN_INFO "%s: NOTE, the dv1394 interface is unsupported " + "and will not be available in the new firewire driver stack. " + "Try libraw1394 based programs instead.\n", current->comm); + return 0; } @@ -2567,10 +2571,6 @@ static int __init dv1394_init_module(void) { int ret; - printk(KERN_WARNING - "NOTE: The dv1394 driver is unsupported and may be removed in a " - "future Linux release. Use raw1394 instead.\n"); - cdev_init(&dv1394_cdev, &dv1394_fops); dv1394_cdev.owner = THIS_MODULE; ret = cdev_add(&dv1394_cdev, IEEE1394_DV1394_DEV, 16); diff --git a/drivers/ieee1394/ieee1394.h b/drivers/ieee1394/ieee1394.h index e0ae0d3..af320e2 100644 --- a/drivers/ieee1394/ieee1394.h +++ b/drivers/ieee1394/ieee1394.h @@ -54,9 +54,7 @@ #define IEEE1394_SPEED_800 0x03 #define IEEE1394_SPEED_1600 0x04 #define IEEE1394_SPEED_3200 0x05 - -/* The current highest tested speed supported by the subsystem */ -#define IEEE1394_SPEED_MAX IEEE1394_SPEED_800 +#define IEEE1394_SPEED_MAX IEEE1394_SPEED_3200 /* Maps speed values above to a string representation */ extern const char *hpsb_speedto_str[]; diff --git a/drivers/ieee1394/ieee1394_core.c b/drivers/ieee1394/ieee1394_core.c index dcdb71a..2beb8d9 100644 --- a/drivers/ieee1394/ieee1394_core.c +++ b/drivers/ieee1394/ieee1394_core.c @@ -338,6 +338,7 @@ static void build_speed_map(struct hpsb_host *host, int nodecount) u8 cldcnt[nodecount]; u8 *map = host->speed_map; u8 *speedcap = host->speed; + u8 local_link_speed = host->csr.lnk_spd; struct selfid *sid; struct ext_selfid *esid; int i, j, n; @@ -373,8 +374,8 @@ static void build_speed_map(struct hpsb_host *host, int nodecount) if (sid->port2 == SELFID_PORT_CHILD) cldcnt[n]++; speedcap[n] = sid->speed; - if (speedcap[n] > host->csr.lnk_spd) - speedcap[n] = host->csr.lnk_spd; + if (speedcap[n] > local_link_speed) + speedcap[n] = local_link_speed; n--; } } @@ -407,12 +408,11 @@ static void build_speed_map(struct hpsb_host *host, int nodecount) } } -#if SELFID_SPEED_UNKNOWN != IEEE1394_SPEED_MAX - /* assume maximum speed for 1394b PHYs, nodemgr will correct it */ - for (n = 0; n < nodecount; n++) - if (speedcap[n] == SELFID_SPEED_UNKNOWN) - speedcap[n] = IEEE1394_SPEED_MAX; -#endif + /* assume a maximum speed for 1394b PHYs, nodemgr will correct it */ + if (local_link_speed > SELFID_SPEED_UNKNOWN) + for (i = 0; i < nodecount; i++) + if (speedcap[i] == SELFID_SPEED_UNKNOWN) + speedcap[i] = local_link_speed; } diff --git a/drivers/ieee1394/ohci1394.h b/drivers/ieee1394/ohci1394.h index 4320bf01..7fb8ab9 100644 --- a/drivers/ieee1394/ohci1394.h +++ b/drivers/ieee1394/ohci1394.h @@ -26,7 +26,7 @@ #define OHCI1394_DRIVER_NAME "ohci1394" -#define OHCI1394_MAX_AT_REQ_RETRIES 0x2 +#define OHCI1394_MAX_AT_REQ_RETRIES 0xf #define OHCI1394_MAX_AT_RESP_RETRIES 0x2 #define OHCI1394_MAX_PHYS_RESP_RETRIES 0x8 #define OHCI1394_MAX_SELF_ID_ERRORS 16 diff --git a/drivers/ieee1394/pcilynx.c b/drivers/ieee1394/pcilynx.c index dc15cad..38f7120 100644 --- a/drivers/ieee1394/pcilynx.c +++ b/drivers/ieee1394/pcilynx.c @@ -1419,7 +1419,6 @@ static int __devinit add_card(struct pci_dev *dev, i2c_ad = kzalloc(sizeof(*i2c_ad), GFP_KERNEL); if (!i2c_ad) FAIL("failed to allocate I2C adapter memory"); - i2c_ad->id = I2C_HW_B_PCILYNX; strlcpy(i2c_ad->name, "PCILynx I2C", sizeof(i2c_ad->name)); i2c_adapter_data = bit_data; i2c_ad->algo_data = &i2c_adapter_data; diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c index ab1034c..f3fd865 100644 --- a/drivers/ieee1394/sbp2.c +++ b/drivers/ieee1394/sbp2.c @@ -115,8 +115,8 @@ */ static int sbp2_max_speed = IEEE1394_SPEED_MAX; module_param_named(max_speed, sbp2_max_speed, int, 0644); -MODULE_PARM_DESC(max_speed, "Force max speed " - "(3 = 800Mb/s, 2 = 400Mb/s, 1 = 200Mb/s, 0 = 100Mb/s)"); +MODULE_PARM_DESC(max_speed, "Limit data transfer speed (5 <= 3200, " + "4 <= 1600, 3 <= 800, 2 <= 400, 1 <= 200, 0 = 100 Mb/s)"); /* * Set serialize_io to 0 or N to use dynamically appended lists of command ORBs. @@ -256,7 +256,7 @@ static int sbp2_set_busy_timeout(struct sbp2_lu *); static int sbp2_max_speed_and_size(struct sbp2_lu *); -static const u8 sbp2_speedto_max_payload[] = { 0x7, 0x8, 0x9, 0xA, 0xB, 0xC }; +static const u8 sbp2_speedto_max_payload[] = { 0x7, 0x8, 0x9, 0xa, 0xa, 0xa }; static DEFINE_RWLOCK(sbp2_hi_logical_units_lock); @@ -347,8 +347,8 @@ static struct scsi_host_template sbp2_shost_template = { .sdev_attrs = sbp2_sysfs_sdev_attrs, }; -/* for match-all entries in sbp2_workarounds_table */ -#define SBP2_ROM_VALUE_WILDCARD 0x1000000 +#define SBP2_ROM_VALUE_WILDCARD ~0 /* match all */ +#define SBP2_ROM_VALUE_MISSING 0xff000000 /* not present in the unit dir. */ /* * List of devices with known bugs. @@ -359,60 +359,70 @@ static struct scsi_host_template sbp2_shost_template = { */ static const struct { u32 firmware_revision; - u32 model_id; + u32 model; unsigned workarounds; } sbp2_workarounds_table[] = { /* DViCO Momobay CX-1 with TSB42AA9 bridge */ { .firmware_revision = 0x002800, - .model_id = 0x001010, + .model = 0x001010, .workarounds = SBP2_WORKAROUND_INQUIRY_36 | SBP2_WORKAROUND_MODE_SENSE_8 | SBP2_WORKAROUND_POWER_CONDITION, }, /* DViCO Momobay FX-3A with TSB42AA9A bridge */ { .firmware_revision = 0x002800, - .model_id = 0x000000, + .model = 0x000000, .workarounds = SBP2_WORKAROUND_DELAY_INQUIRY | SBP2_WORKAROUND_POWER_CONDITION, }, /* Initio bridges, actually only needed for some older ones */ { .firmware_revision = 0x000200, - .model_id = SBP2_ROM_VALUE_WILDCARD, + .model = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_INQUIRY_36, }, /* PL-3507 bridge with Prolific firmware */ { .firmware_revision = 0x012800, - .model_id = SBP2_ROM_VALUE_WILDCARD, + .model = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_POWER_CONDITION, }, /* Symbios bridge */ { .firmware_revision = 0xa0b800, - .model_id = SBP2_ROM_VALUE_WILDCARD, + .model = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, }, /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ { .firmware_revision = 0x002600, - .model_id = SBP2_ROM_VALUE_WILDCARD, + .model = SBP2_ROM_VALUE_WILDCARD, .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS, }, + /* + * iPod 2nd generation: needs 128k max transfer size workaround + * iPod 3rd generation: needs fix capacity workaround + */ + { + .firmware_revision = 0x0a2700, + .model = 0x000000, + .workarounds = SBP2_WORKAROUND_128K_MAX_TRANS | + SBP2_WORKAROUND_FIX_CAPACITY, + }, /* iPod 4th generation */ { .firmware_revision = 0x0a2700, - .model_id = 0x000021, + .model = 0x000021, .workarounds = SBP2_WORKAROUND_FIX_CAPACITY, }, /* iPod mini */ { .firmware_revision = 0x0a2700, - .model_id = 0x000022, + .model = 0x000022, .workarounds = SBP2_WORKAROUND_FIX_CAPACITY, }, /* iPod mini */ { .firmware_revision = 0x0a2700, - .model_id = 0x000023, + .model = 0x000023, .workarounds = SBP2_WORKAROUND_FIX_CAPACITY, }, /* iPod Photo */ { .firmware_revision = 0x0a2700, - .model_id = 0x00007e, + .model = 0x00007e, .workarounds = SBP2_WORKAROUND_FIX_CAPACITY, } }; @@ -1341,13 +1351,15 @@ static void sbp2_parse_unit_directory(struct sbp2_lu *lu, struct csr1212_keyval *kv; struct csr1212_dentry *dentry; u64 management_agent_addr; - u32 unit_characteristics, firmware_revision; + u32 unit_characteristics, firmware_revision, model; unsigned workarounds; int i; management_agent_addr = 0; unit_characteristics = 0; - firmware_revision = 0; + firmware_revision = SBP2_ROM_VALUE_MISSING; + model = ud->flags & UNIT_DIRECTORY_MODEL_ID ? + ud->model_id : SBP2_ROM_VALUE_MISSING; csr1212_for_each_dir_entry(ud->ne->csr, kv, ud->ud_kv, dentry) { switch (kv->key.id) { @@ -1388,9 +1400,9 @@ static void sbp2_parse_unit_directory(struct sbp2_lu *lu, sbp2_workarounds_table[i].firmware_revision != (firmware_revision & 0xffff00)) continue; - if (sbp2_workarounds_table[i].model_id != + if (sbp2_workarounds_table[i].model != SBP2_ROM_VALUE_WILDCARD && - sbp2_workarounds_table[i].model_id != ud->model_id) + sbp2_workarounds_table[i].model != model) continue; workarounds |= sbp2_workarounds_table[i].workarounds; break; @@ -1403,7 +1415,7 @@ static void sbp2_parse_unit_directory(struct sbp2_lu *lu, NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid), workarounds, firmware_revision, ud->vendor_id ? ud->vendor_id : ud->ne->vendor_id, - ud->model_id); + model); /* We would need one SCSI host template for each target to adjust * max_sectors on the fly, therefore warn only. */ diff --git a/drivers/infiniband/hw/ehca/ehca_cq.c b/drivers/infiniband/hw/ehca/ehca_cq.c index 2f4c28a..97e4b23 100644 --- a/drivers/infiniband/hw/ehca/ehca_cq.c +++ b/drivers/infiniband/hw/ehca/ehca_cq.c @@ -196,7 +196,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, if (h_ret != H_SUCCESS) { ehca_err(device, "hipz_h_alloc_resource_cq() failed " - "h_ret=%li device=%p", h_ret, device); + "h_ret=%lli device=%p", h_ret, device); cq = ERR_PTR(ehca2ib_return_code(h_ret)); goto create_cq_exit2; } @@ -232,7 +232,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, if (h_ret < H_SUCCESS) { ehca_err(device, "hipz_h_register_rpage_cq() failed " - "ehca_cq=%p cq_num=%x h_ret=%li counter=%i " + "ehca_cq=%p cq_num=%x h_ret=%lli counter=%i " "act_pages=%i", my_cq, my_cq->cq_number, h_ret, counter, param.act_pages); cq = ERR_PTR(-EINVAL); @@ -244,7 +244,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, if ((h_ret != H_SUCCESS) || vpage) { ehca_err(device, "Registration of pages not " "complete ehca_cq=%p cq_num=%x " - "h_ret=%li", my_cq, my_cq->cq_number, + "h_ret=%lli", my_cq, my_cq->cq_number, h_ret); cq = ERR_PTR(-EAGAIN); goto create_cq_exit4; @@ -252,7 +252,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, } else { if (h_ret != H_PAGE_REGISTERED) { ehca_err(device, "Registration of page failed " - "ehca_cq=%p cq_num=%x h_ret=%li " + "ehca_cq=%p cq_num=%x h_ret=%lli " "counter=%i act_pages=%i", my_cq, my_cq->cq_number, h_ret, counter, param.act_pages); @@ -266,7 +266,7 @@ struct ib_cq *ehca_create_cq(struct ib_device *device, int cqe, int comp_vector, gal = my_cq->galpas.kernel; cqx_fec = hipz_galpa_load(gal, CQTEMM_OFFSET(cqx_fec)); - ehca_dbg(device, "ehca_cq=%p cq_num=%x CQX_FEC=%lx", + ehca_dbg(device, "ehca_cq=%p cq_num=%x CQX_FEC=%llx", my_cq, my_cq->cq_number, cqx_fec); my_cq->ib_cq.cqe = my_cq->nr_of_entries = @@ -307,7 +307,7 @@ create_cq_exit3: h_ret = hipz_h_destroy_cq(adapter_handle, my_cq, 1); if (h_ret != H_SUCCESS) ehca_err(device, "hipz_h_destroy_cq() failed ehca_cq=%p " - "cq_num=%x h_ret=%li", my_cq, my_cq->cq_number, h_ret); + "cq_num=%x h_ret=%lli", my_cq, my_cq->cq_number, h_ret); create_cq_exit2: write_lock_irqsave(&ehca_cq_idr_lock, flags); @@ -355,7 +355,7 @@ int ehca_destroy_cq(struct ib_cq *cq) h_ret = hipz_h_destroy_cq(adapter_handle, my_cq, 0); if (h_ret == H_R_STATE) { /* cq in err: read err data and destroy it forcibly */ - ehca_dbg(device, "ehca_cq=%p cq_num=%x ressource=%lx in err " + ehca_dbg(device, "ehca_cq=%p cq_num=%x resource=%llx in err " "state. Try to delete it forcibly.", my_cq, cq_num, my_cq->ipz_cq_handle.handle); ehca_error_data(shca, my_cq, my_cq->ipz_cq_handle.handle); @@ -365,7 +365,7 @@ int ehca_destroy_cq(struct ib_cq *cq) cq_num); } if (h_ret != H_SUCCESS) { - ehca_err(device, "hipz_h_destroy_cq() failed h_ret=%li " + ehca_err(device, "hipz_h_destroy_cq() failed h_ret=%lli " "ehca_cq=%p cq_num=%x", h_ret, my_cq, cq_num); return ehca2ib_return_code(h_ret); } diff --git a/drivers/infiniband/hw/ehca/ehca_hca.c b/drivers/infiniband/hw/ehca/ehca_hca.c index 4628822..9209c53 100644 --- a/drivers/infiniband/hw/ehca/ehca_hca.c +++ b/drivers/infiniband/hw/ehca/ehca_hca.c @@ -393,7 +393,7 @@ int ehca_modify_port(struct ib_device *ibdev, hret = hipz_h_modify_port(shca->ipz_hca_handle, port, cap, props->init_type, port_modify_mask); if (hret != H_SUCCESS) { - ehca_err(&shca->ib_device, "Modify port failed h_ret=%li", + ehca_err(&shca->ib_device, "Modify port failed h_ret=%lli", hret); ret = -EINVAL; } diff --git a/drivers/infiniband/hw/ehca/ehca_irq.c b/drivers/infiniband/hw/ehca/ehca_irq.c index 3128a50..99bcbd7 100644 --- a/drivers/infiniband/hw/ehca/ehca_irq.c +++ b/drivers/infiniband/hw/ehca/ehca_irq.c @@ -99,7 +99,7 @@ static void print_error_data(struct ehca_shca *shca, void *data, return; ehca_err(&shca->ib_device, - "QP 0x%x (resource=%lx) has errors.", + "QP 0x%x (resource=%llx) has errors.", qp->ib_qp.qp_num, resource); break; } @@ -108,21 +108,21 @@ static void print_error_data(struct ehca_shca *shca, void *data, struct ehca_cq *cq = (struct ehca_cq *)data; ehca_err(&shca->ib_device, - "CQ 0x%x (resource=%lx) has errors.", + "CQ 0x%x (resource=%llx) has errors.", cq->cq_number, resource); break; } default: ehca_err(&shca->ib_device, - "Unknown error type: %lx on %s.", + "Unknown error type: %llx on %s.", type, shca->ib_device.name); break; } - ehca_err(&shca->ib_device, "Error data is available: %lx.", resource); + ehca_err(&shca->ib_device, "Error data is available: %llx.", resource); ehca_err(&shca->ib_device, "EHCA ----- error data begin " "---------------------------------------------------"); - ehca_dmp(rblock, length, "resource=%lx", resource); + ehca_dmp(rblock, length, "resource=%llx", resource); ehca_err(&shca->ib_device, "EHCA ----- error data end " "----------------------------------------------------"); @@ -152,7 +152,7 @@ int ehca_error_data(struct ehca_shca *shca, void *data, if (ret == H_R_STATE) ehca_err(&shca->ib_device, - "No error data is available: %lx.", resource); + "No error data is available: %llx.", resource); else if (ret == H_SUCCESS) { int length; @@ -164,7 +164,7 @@ int ehca_error_data(struct ehca_shca *shca, void *data, print_error_data(shca, data, rblock, length); } else ehca_err(&shca->ib_device, - "Error data could not be fetched: %lx", resource); + "Error data could not be fetched: %llx", resource); ehca_free_fw_ctrlblock(rblock); @@ -514,7 +514,7 @@ static inline void process_eqe(struct ehca_shca *shca, struct ehca_eqe *eqe) struct ehca_cq *cq; eqe_value = eqe->entry; - ehca_dbg(&shca->ib_device, "eqe_value=%lx", eqe_value); + ehca_dbg(&shca->ib_device, "eqe_value=%llx", eqe_value); if (EHCA_BMASK_GET(EQE_COMPLETION_EVENT, eqe_value)) { ehca_dbg(&shca->ib_device, "Got completion event"); token = EHCA_BMASK_GET(EQE_CQ_TOKEN, eqe_value); @@ -603,7 +603,7 @@ void ehca_process_eq(struct ehca_shca *shca, int is_irq) ret = hipz_h_eoi(eq->ist); if (ret != H_SUCCESS) ehca_err(&shca->ib_device, - "bad return code EOI -rc = %ld\n", ret); + "bad return code EOI -rc = %lld\n", ret); ehca_dbg(&shca->ib_device, "deadman found %x eqe", eqe_cnt); } if (unlikely(eqe_cnt == EHCA_EQE_CACHE_SIZE)) diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c index c7b8a50..368311c 100644 --- a/drivers/infiniband/hw/ehca/ehca_main.c +++ b/drivers/infiniband/hw/ehca/ehca_main.c @@ -304,7 +304,7 @@ static int ehca_sense_attributes(struct ehca_shca *shca) h_ret = hipz_h_query_hca(shca->ipz_hca_handle, rblock); if (h_ret != H_SUCCESS) { - ehca_gen_err("Cannot query device properties. h_ret=%li", + ehca_gen_err("Cannot query device properties. h_ret=%lli", h_ret); ret = -EPERM; goto sense_attributes1; @@ -391,7 +391,7 @@ static int ehca_sense_attributes(struct ehca_shca *shca) port = (struct hipz_query_port *)rblock; h_ret = hipz_h_query_port(shca->ipz_hca_handle, 1, port); if (h_ret != H_SUCCESS) { - ehca_gen_err("Cannot query port properties. h_ret=%li", + ehca_gen_err("Cannot query port properties. h_ret=%lli", h_ret); ret = -EPERM; goto sense_attributes1; @@ -682,7 +682,7 @@ static ssize_t ehca_show_adapter_handle(struct device *dev, { struct ehca_shca *shca = dev->driver_data; - return sprintf(buf, "%lx\n", shca->ipz_hca_handle.handle); + return sprintf(buf, "%llx\n", shca->ipz_hca_handle.handle); } static DEVICE_ATTR(adapter_handle, S_IRUGO, ehca_show_adapter_handle, NULL); diff --git a/drivers/infiniband/hw/ehca/ehca_mcast.c b/drivers/infiniband/hw/ehca/ehca_mcast.c index e3ef026..120aedf 100644 --- a/drivers/infiniband/hw/ehca/ehca_mcast.c +++ b/drivers/infiniband/hw/ehca/ehca_mcast.c @@ -88,7 +88,7 @@ int ehca_attach_mcast(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) if (h_ret != H_SUCCESS) ehca_err(ibqp->device, "ehca_qp=%p qp_num=%x hipz_h_attach_mcqp() failed " - "h_ret=%li", my_qp, ibqp->qp_num, h_ret); + "h_ret=%lli", my_qp, ibqp->qp_num, h_ret); return ehca2ib_return_code(h_ret); } @@ -125,7 +125,7 @@ int ehca_detach_mcast(struct ib_qp *ibqp, union ib_gid *gid, u16 lid) if (h_ret != H_SUCCESS) ehca_err(ibqp->device, "ehca_qp=%p qp_num=%x hipz_h_detach_mcqp() failed " - "h_ret=%li", my_qp, ibqp->qp_num, h_ret); + "h_ret=%lli", my_qp, ibqp->qp_num, h_ret); return ehca2ib_return_code(h_ret); } diff --git a/drivers/infiniband/hw/ehca/ehca_mrmw.c b/drivers/infiniband/hw/ehca/ehca_mrmw.c index f974367..72f83f7 100644 --- a/drivers/infiniband/hw/ehca/ehca_mrmw.c +++ b/drivers/infiniband/hw/ehca/ehca_mrmw.c @@ -204,7 +204,7 @@ struct ib_mr *ehca_reg_phys_mr(struct ib_pd *pd, } if ((size == 0) || (((u64)iova_start + size) < (u64)iova_start)) { - ehca_err(pd->device, "bad input values: size=%lx iova_start=%p", + ehca_err(pd->device, "bad input values: size=%llx iova_start=%p", size, iova_start); ib_mr = ERR_PTR(-EINVAL); goto reg_phys_mr_exit0; @@ -309,8 +309,8 @@ struct ib_mr *ehca_reg_user_mr(struct ib_pd *pd, u64 start, u64 length, } if (length == 0 || virt + length < virt) { - ehca_err(pd->device, "bad input values: length=%lx " - "virt_base=%lx", length, virt); + ehca_err(pd->device, "bad input values: length=%llx " + "virt_base=%llx", length, virt); ib_mr = ERR_PTR(-EINVAL); goto reg_user_mr_exit0; } @@ -373,7 +373,7 @@ reg_user_mr_fallback: &e_mr->ib.ib_mr.rkey); if (ret == -EINVAL && pginfo.hwpage_size > PAGE_SIZE) { ehca_warn(pd->device, "failed to register mr " - "with hwpage_size=%lx", hwpage_size); + "with hwpage_size=%llx", hwpage_size); ehca_info(pd->device, "try to register mr with " "kpage_size=%lx", PAGE_SIZE); /* @@ -509,7 +509,7 @@ int ehca_rereg_phys_mr(struct ib_mr *mr, goto rereg_phys_mr_exit1; if ((new_size == 0) || (((u64)iova_start + new_size) < (u64)iova_start)) { - ehca_err(mr->device, "bad input values: new_size=%lx " + ehca_err(mr->device, "bad input values: new_size=%llx " "iova_start=%p", new_size, iova_start); ret = -EINVAL; goto rereg_phys_mr_exit1; @@ -580,8 +580,8 @@ int ehca_query_mr(struct ib_mr *mr, struct ib_mr_attr *mr_attr) h_ret = hipz_h_query_mr(shca->ipz_hca_handle, e_mr, &hipzout); if (h_ret != H_SUCCESS) { - ehca_err(mr->device, "hipz_mr_query failed, h_ret=%li mr=%p " - "hca_hndl=%lx mr_hndl=%lx lkey=%x", + ehca_err(mr->device, "hipz_mr_query failed, h_ret=%lli mr=%p " + "hca_hndl=%llx mr_hndl=%llx lkey=%x", h_ret, mr, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle, mr->lkey); ret = ehca2ib_return_code(h_ret); @@ -630,8 +630,8 @@ int ehca_dereg_mr(struct ib_mr *mr) /* TODO: BUSY: MR still has bound window(s) */ h_ret = hipz_h_free_resource_mr(shca->ipz_hca_handle, e_mr); if (h_ret != H_SUCCESS) { - ehca_err(mr->device, "hipz_free_mr failed, h_ret=%li shca=%p " - "e_mr=%p hca_hndl=%lx mr_hndl=%lx mr->lkey=%x", + ehca_err(mr->device, "hipz_free_mr failed, h_ret=%lli shca=%p " + "e_mr=%p hca_hndl=%llx mr_hndl=%llx mr->lkey=%x", h_ret, shca, e_mr, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle, mr->lkey); ret = ehca2ib_return_code(h_ret); @@ -671,8 +671,8 @@ struct ib_mw *ehca_alloc_mw(struct ib_pd *pd) h_ret = hipz_h_alloc_resource_mw(shca->ipz_hca_handle, e_mw, e_pd->fw_pd, &hipzout); if (h_ret != H_SUCCESS) { - ehca_err(pd->device, "hipz_mw_allocate failed, h_ret=%li " - "shca=%p hca_hndl=%lx mw=%p", + ehca_err(pd->device, "hipz_mw_allocate failed, h_ret=%lli " + "shca=%p hca_hndl=%llx mw=%p", h_ret, shca, shca->ipz_hca_handle.handle, e_mw); ib_mw = ERR_PTR(ehca2ib_return_code(h_ret)); goto alloc_mw_exit1; @@ -713,8 +713,8 @@ int ehca_dealloc_mw(struct ib_mw *mw) h_ret = hipz_h_free_resource_mw(shca->ipz_hca_handle, e_mw); if (h_ret != H_SUCCESS) { - ehca_err(mw->device, "hipz_free_mw failed, h_ret=%li shca=%p " - "mw=%p rkey=%x hca_hndl=%lx mw_hndl=%lx", + ehca_err(mw->device, "hipz_free_mw failed, h_ret=%lli shca=%p " + "mw=%p rkey=%x hca_hndl=%llx mw_hndl=%llx", h_ret, shca, mw, mw->rkey, shca->ipz_hca_handle.handle, e_mw->ipz_mw_handle.handle); return ehca2ib_return_code(h_ret); @@ -840,7 +840,7 @@ int ehca_map_phys_fmr(struct ib_fmr *fmr, goto map_phys_fmr_exit0; if (iova % e_fmr->fmr_page_size) { /* only whole-numbered pages */ - ehca_err(fmr->device, "bad iova, iova=%lx fmr_page_size=%x", + ehca_err(fmr->device, "bad iova, iova=%llx fmr_page_size=%x", iova, e_fmr->fmr_page_size); ret = -EINVAL; goto map_phys_fmr_exit0; @@ -878,7 +878,7 @@ int ehca_map_phys_fmr(struct ib_fmr *fmr, map_phys_fmr_exit0: if (ret) ehca_err(fmr->device, "ret=%i fmr=%p page_list=%p list_len=%x " - "iova=%lx", ret, fmr, page_list, list_len, iova); + "iova=%llx", ret, fmr, page_list, list_len, iova); return ret; } /* end ehca_map_phys_fmr() */ @@ -964,8 +964,8 @@ int ehca_dealloc_fmr(struct ib_fmr *fmr) h_ret = hipz_h_free_resource_mr(shca->ipz_hca_handle, e_fmr); if (h_ret != H_SUCCESS) { - ehca_err(fmr->device, "hipz_free_mr failed, h_ret=%li e_fmr=%p " - "hca_hndl=%lx fmr_hndl=%lx fmr->lkey=%x", + ehca_err(fmr->device, "hipz_free_mr failed, h_ret=%lli e_fmr=%p " + "hca_hndl=%llx fmr_hndl=%llx fmr->lkey=%x", h_ret, e_fmr, shca->ipz_hca_handle.handle, e_fmr->ipz_mr_handle.handle, fmr->lkey); ret = ehca2ib_return_code(h_ret); @@ -1007,8 +1007,8 @@ int ehca_reg_mr(struct ehca_shca *shca, (u64)iova_start, size, hipz_acl, e_pd->fw_pd, &hipzout); if (h_ret != H_SUCCESS) { - ehca_err(&shca->ib_device, "hipz_alloc_mr failed, h_ret=%li " - "hca_hndl=%lx", h_ret, shca->ipz_hca_handle.handle); + ehca_err(&shca->ib_device, "hipz_alloc_mr failed, h_ret=%lli " + "hca_hndl=%llx", h_ret, shca->ipz_hca_handle.handle); ret = ehca2ib_return_code(h_ret); goto ehca_reg_mr_exit0; } @@ -1033,9 +1033,9 @@ int ehca_reg_mr(struct ehca_shca *shca, ehca_reg_mr_exit1: h_ret = hipz_h_free_resource_mr(shca->ipz_hca_handle, e_mr); if (h_ret != H_SUCCESS) { - ehca_err(&shca->ib_device, "h_ret=%li shca=%p e_mr=%p " - "iova_start=%p size=%lx acl=%x e_pd=%p lkey=%x " - "pginfo=%p num_kpages=%lx num_hwpages=%lx ret=%i", + ehca_err(&shca->ib_device, "h_ret=%lli shca=%p e_mr=%p " + "iova_start=%p size=%llx acl=%x e_pd=%p lkey=%x " + "pginfo=%p num_kpages=%llx num_hwpages=%llx ret=%i", h_ret, shca, e_mr, iova_start, size, acl, e_pd, hipzout.lkey, pginfo, pginfo->num_kpages, pginfo->num_hwpages, ret); @@ -1045,8 +1045,8 @@ ehca_reg_mr_exit1: ehca_reg_mr_exit0: if (ret) ehca_err(&shca->ib_device, "ret=%i shca=%p e_mr=%p " - "iova_start=%p size=%lx acl=%x e_pd=%p pginfo=%p " - "num_kpages=%lx num_hwpages=%lx", + "iova_start=%p size=%llx acl=%x e_pd=%p pginfo=%p " + "num_kpages=%llx num_hwpages=%llx", ret, shca, e_mr, iova_start, size, acl, e_pd, pginfo, pginfo->num_kpages, pginfo->num_hwpages); return ret; @@ -1116,8 +1116,8 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca, */ if (h_ret != H_SUCCESS) { ehca_err(&shca->ib_device, "last " - "hipz_reg_rpage_mr failed, h_ret=%li " - "e_mr=%p i=%x hca_hndl=%lx mr_hndl=%lx" + "hipz_reg_rpage_mr failed, h_ret=%lli " + "e_mr=%p i=%x hca_hndl=%llx mr_hndl=%llx" " lkey=%x", h_ret, e_mr, i, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle, @@ -1128,8 +1128,8 @@ int ehca_reg_mr_rpages(struct ehca_shca *shca, ret = 0; } else if (h_ret != H_PAGE_REGISTERED) { ehca_err(&shca->ib_device, "hipz_reg_rpage_mr failed, " - "h_ret=%li e_mr=%p i=%x lkey=%x hca_hndl=%lx " - "mr_hndl=%lx", h_ret, e_mr, i, + "h_ret=%lli e_mr=%p i=%x lkey=%x hca_hndl=%llx " + "mr_hndl=%llx", h_ret, e_mr, i, e_mr->ib.ib_mr.lkey, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle); @@ -1145,7 +1145,7 @@ ehca_reg_mr_rpages_exit1: ehca_reg_mr_rpages_exit0: if (ret) ehca_err(&shca->ib_device, "ret=%i shca=%p e_mr=%p pginfo=%p " - "num_kpages=%lx num_hwpages=%lx", ret, shca, e_mr, + "num_kpages=%llx num_hwpages=%llx", ret, shca, e_mr, pginfo, pginfo->num_kpages, pginfo->num_hwpages); return ret; } /* end ehca_reg_mr_rpages() */ @@ -1184,7 +1184,7 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca, ret = ehca_set_pagebuf(pginfo, pginfo->num_hwpages, kpage); if (ret) { ehca_err(&shca->ib_device, "set pagebuf failed, e_mr=%p " - "pginfo=%p type=%x num_kpages=%lx num_hwpages=%lx " + "pginfo=%p type=%x num_kpages=%llx num_hwpages=%llx " "kpage=%p", e_mr, pginfo, pginfo->type, pginfo->num_kpages, pginfo->num_hwpages, kpage); goto ehca_rereg_mr_rereg1_exit1; @@ -1205,13 +1205,13 @@ inline int ehca_rereg_mr_rereg1(struct ehca_shca *shca, * (MW bound or MR is shared) */ ehca_warn(&shca->ib_device, "hipz_h_reregister_pmr failed " - "(Rereg1), h_ret=%li e_mr=%p", h_ret, e_mr); + "(Rereg1), h_ret=%lli e_mr=%p", h_ret, e_mr); *pginfo = pginfo_save; ret = -EAGAIN; } else if ((u64 *)hipzout.vaddr != iova_start) { ehca_err(&shca->ib_device, "PHYP changed iova_start in " - "rereg_pmr, iova_start=%p iova_start_out=%lx e_mr=%p " - "mr_handle=%lx lkey=%x lkey_out=%x", iova_start, + "rereg_pmr, iova_start=%p iova_start_out=%llx e_mr=%p " + "mr_handle=%llx lkey=%x lkey_out=%x", iova_start, hipzout.vaddr, e_mr, e_mr->ipz_mr_handle.handle, e_mr->ib.ib_mr.lkey, hipzout.lkey); ret = -EFAULT; @@ -1235,7 +1235,7 @@ ehca_rereg_mr_rereg1_exit1: ehca_rereg_mr_rereg1_exit0: if ( ret && (ret != -EAGAIN) ) ehca_err(&shca->ib_device, "ret=%i lkey=%x rkey=%x " - "pginfo=%p num_kpages=%lx num_hwpages=%lx", + "pginfo=%p num_kpages=%llx num_hwpages=%llx", ret, *lkey, *rkey, pginfo, pginfo->num_kpages, pginfo->num_hwpages); return ret; @@ -1263,7 +1263,7 @@ int ehca_rereg_mr(struct ehca_shca *shca, (e_mr->num_hwpages > MAX_RPAGES) || (pginfo->num_hwpages > e_mr->num_hwpages)) { ehca_dbg(&shca->ib_device, "Rereg3 case, " - "pginfo->num_hwpages=%lx e_mr->num_hwpages=%x", + "pginfo->num_hwpages=%llx e_mr->num_hwpages=%x", pginfo->num_hwpages, e_mr->num_hwpages); rereg_1_hcall = 0; rereg_3_hcall = 1; @@ -1295,7 +1295,7 @@ int ehca_rereg_mr(struct ehca_shca *shca, h_ret = hipz_h_free_resource_mr(shca->ipz_hca_handle, e_mr); if (h_ret != H_SUCCESS) { ehca_err(&shca->ib_device, "hipz_free_mr failed, " - "h_ret=%li e_mr=%p hca_hndl=%lx mr_hndl=%lx " + "h_ret=%lli e_mr=%p hca_hndl=%llx mr_hndl=%llx " "mr->lkey=%x", h_ret, e_mr, shca->ipz_hca_handle.handle, e_mr->ipz_mr_handle.handle, @@ -1328,8 +1328,8 @@ int ehca_rereg_mr(struct ehca_shca *shca, ehca_rereg_mr_exit0: if (ret) ehca_err(&shca->ib_device, "ret=%i shca=%p e_mr=%p " - "iova_start=%p size=%lx acl=%x e_pd=%p pginfo=%p " - "num_kpages=%lx lkey=%x rkey=%x rereg_1_hcall=%x " + "iova_start=%p size=%llx acl=%x e_pd=%p pginfo=%p " + "num_kpages=%llx lkey=%x rkey=%x rereg_1_hcall=%x " "rereg_3_hcall=%x", ret, shca, e_mr, iova_start, size, acl, e_pd, pginfo, pginfo->num_kpages, *lkey, *rkey, rereg_1_hcall, rereg_3_hcall); @@ -1371,8 +1371,8 @@ int ehca_unmap_one_fmr(struct ehca_shca *shca, * FMRs are not shared and no MW bound to FMRs */ ehca_err(&shca->ib_device, "hipz_reregister_pmr failed " - "(Rereg1), h_ret=%li e_fmr=%p hca_hndl=%lx " - "mr_hndl=%lx lkey=%x lkey_out=%x", + "(Rereg1), h_ret=%lli e_fmr=%p hca_hndl=%llx " + "mr_hndl=%llx lkey=%x lkey_out=%x", h_ret, e_fmr, shca->ipz_hca_handle.handle, e_fmr->ipz_mr_handle.handle, e_fmr->ib.ib_fmr.lkey, hipzout.lkey); @@ -1383,7 +1383,7 @@ int ehca_unmap_one_fmr(struct ehca_shca *shca, h_ret = hipz_h_free_resource_mr(shca->ipz_hca_handle, e_fmr); if (h_ret != H_SUCCESS) { ehca_err(&shca->ib_device, "hipz_free_mr failed, " - "h_ret=%li e_fmr=%p hca_hndl=%lx mr_hndl=%lx " + "h_ret=%lli e_fmr=%p hca_hndl=%llx mr_hndl=%llx " "lkey=%x", h_ret, e_fmr, shca->ipz_hca_handle.handle, e_fmr->ipz_mr_handle.handle, @@ -1447,9 +1447,9 @@ int ehca_reg_smr(struct ehca_shca *shca, (u64)iova_start, hipz_acl, e_pd->fw_pd, &hipzout); if (h_ret != H_SUCCESS) { - ehca_err(&shca->ib_device, "hipz_reg_smr failed, h_ret=%li " + ehca_err(&shca->ib_device, "hipz_reg_smr failed, h_ret=%lli " "shca=%p e_origmr=%p e_newmr=%p iova_start=%p acl=%x " - "e_pd=%p hca_hndl=%lx mr_hndl=%lx lkey=%x", + "e_pd=%p hca_hndl=%llx mr_hndl=%llx lkey=%x", h_ret, shca, e_origmr, e_newmr, iova_start, acl, e_pd, shca->ipz_hca_handle.handle, e_origmr->ipz_mr_handle.handle, @@ -1527,7 +1527,7 @@ int ehca_reg_internal_maxmr( &e_mr->ib.ib_mr.rkey); if (ret) { ehca_err(&shca->ib_device, "reg of internal max MR failed, " - "e_mr=%p iova_start=%p size_maxmr=%lx num_kpages=%x " + "e_mr=%p iova_start=%p size_maxmr=%llx num_kpages=%x " "num_hwpages=%x", e_mr, iova_start, size_maxmr, num_kpages, num_hwpages); goto ehca_reg_internal_maxmr_exit1; @@ -1573,8 +1573,8 @@ int ehca_reg_maxmr(struct ehca_shca *shca, (u64)iova_start, hipz_acl, e_pd->fw_pd, &hipzout); if (h_ret != H_SUCCESS) { - ehca_err(&shca->ib_device, "hipz_reg_smr failed, h_ret=%li " - "e_origmr=%p hca_hndl=%lx mr_hndl=%lx lkey=%x", + ehca_err(&shca->ib_device, "hipz_reg_smr failed, h_ret=%lli " + "e_origmr=%p hca_hndl=%llx mr_hndl=%llx lkey=%x", h_ret, e_origmr, shca->ipz_hca_handle.handle, e_origmr->ipz_mr_handle.handle, e_origmr->ib.ib_mr.lkey); @@ -1651,28 +1651,28 @@ int ehca_mr_chk_buf_and_calc_size(struct ib_phys_buf *phys_buf_array, /* check first buffer */ if (((u64)iova_start & ~PAGE_MASK) != (pbuf->addr & ~PAGE_MASK)) { ehca_gen_err("iova_start/addr mismatch, iova_start=%p " - "pbuf->addr=%lx pbuf->size=%lx", + "pbuf->addr=%llx pbuf->size=%llx", iova_start, pbuf->addr, pbuf->size); return -EINVAL; } if (((pbuf->addr + pbuf->size) % PAGE_SIZE) && (num_phys_buf > 1)) { - ehca_gen_err("addr/size mismatch in 1st buf, pbuf->addr=%lx " - "pbuf->size=%lx", pbuf->addr, pbuf->size); + ehca_gen_err("addr/size mismatch in 1st buf, pbuf->addr=%llx " + "pbuf->size=%llx", pbuf->addr, pbuf->size); return -EINVAL; } for (i = 0; i < num_phys_buf; i++) { if ((i > 0) && (pbuf->addr % PAGE_SIZE)) { - ehca_gen_err("bad address, i=%x pbuf->addr=%lx " - "pbuf->size=%lx", + ehca_gen_err("bad address, i=%x pbuf->addr=%llx " + "pbuf->size=%llx", i, pbuf->addr, pbuf->size); return -EINVAL; } if (((i > 0) && /* not 1st */ (i < (num_phys_buf - 1)) && /* not last */ (pbuf->size % PAGE_SIZE)) || (pbuf->size == 0)) { - ehca_gen_err("bad size, i=%x pbuf->size=%lx", + ehca_gen_err("bad size, i=%x pbuf->size=%llx", i, pbuf->size); return -EINVAL; } @@ -1705,7 +1705,7 @@ int ehca_fmr_check_page_list(struct ehca_mr *e_fmr, page = page_list; for (i = 0; i < list_len; i++) { if (*page % e_fmr->fmr_page_size) { - ehca_gen_err("bad page, i=%x *page=%lx page=%p fmr=%p " + ehca_gen_err("bad page, i=%x *page=%llx page=%p fmr=%p " "fmr_page_size=%x", i, *page, page, e_fmr, e_fmr->fmr_page_size); return -EINVAL; @@ -1743,9 +1743,9 @@ static int ehca_set_pagebuf_user1(struct ehca_mr_pginfo *pginfo, (pginfo->next_hwpage * pginfo->hwpage_size)); if ( !(*kpage) ) { - ehca_gen_err("pgaddr=%lx " - "chunk->page_list[i]=%lx " - "i=%x next_hwpage=%lx", + ehca_gen_err("pgaddr=%llx " + "chunk->page_list[i]=%llx " + "i=%x next_hwpage=%llx", pgaddr, (u64)sg_dma_address( &chunk->page_list[i]), i, pginfo->next_hwpage); @@ -1795,11 +1795,11 @@ static int ehca_check_kpages_per_ate(struct scatterlist *page_list, for (t = start_idx; t <= end_idx; t++) { u64 pgaddr = page_to_pfn(sg_page(&page_list[t])) << PAGE_SHIFT; if (ehca_debug_level >= 3) - ehca_gen_dbg("chunk_page=%lx value=%016lx", pgaddr, + ehca_gen_dbg("chunk_page=%llx value=%016llx", pgaddr, *(u64 *)abs_to_virt(phys_to_abs(pgaddr))); if (pgaddr - PAGE_SIZE != *prev_pgaddr) { - ehca_gen_err("uncontiguous page found pgaddr=%lx " - "prev_pgaddr=%lx page_list_i=%x", + ehca_gen_err("uncontiguous page found pgaddr=%llx " + "prev_pgaddr=%llx page_list_i=%x", pgaddr, *prev_pgaddr, t); return -EINVAL; } @@ -1833,7 +1833,7 @@ static int ehca_set_pagebuf_user2(struct ehca_mr_pginfo *pginfo, << PAGE_SHIFT ); *kpage = phys_to_abs(pgaddr); if ( !(*kpage) ) { - ehca_gen_err("pgaddr=%lx i=%x", + ehca_gen_err("pgaddr=%llx i=%x", pgaddr, i); ret = -EFAULT; return ret; @@ -1846,8 +1846,8 @@ static int ehca_set_pagebuf_user2(struct ehca_mr_pginfo *pginfo, if (pginfo->hwpage_cnt) { ehca_gen_err( "invalid alignment " - "pgaddr=%lx i=%x " - "mr_pgsize=%lx", + "pgaddr=%llx i=%x " + "mr_pgsize=%llx", pgaddr, i, pginfo->hwpage_size); ret = -EFAULT; @@ -1866,8 +1866,8 @@ static int ehca_set_pagebuf_user2(struct ehca_mr_pginfo *pginfo, if (ehca_debug_level >= 3) { u64 val = *(u64 *)abs_to_virt( phys_to_abs(pgaddr)); - ehca_gen_dbg("kpage=%lx chunk_page=%lx " - "value=%016lx", + ehca_gen_dbg("kpage=%llx chunk_page=%llx " + "value=%016llx", *kpage, pgaddr, val); } prev_pgaddr = pgaddr; @@ -1944,9 +1944,9 @@ static int ehca_set_pagebuf_phys(struct ehca_mr_pginfo *pginfo, if ((pginfo->kpage_cnt >= pginfo->num_kpages) || (pginfo->hwpage_cnt >= pginfo->num_hwpages)) { ehca_gen_err("kpage_cnt >= num_kpages, " - "kpage_cnt=%lx num_kpages=%lx " - "hwpage_cnt=%lx " - "num_hwpages=%lx i=%x", + "kpage_cnt=%llx num_kpages=%llx " + "hwpage_cnt=%llx " + "num_hwpages=%llx i=%x", pginfo->kpage_cnt, pginfo->num_kpages, pginfo->hwpage_cnt, @@ -1957,8 +1957,8 @@ static int ehca_set_pagebuf_phys(struct ehca_mr_pginfo *pginfo, (pbuf->addr & ~(pginfo->hwpage_size - 1)) + (pginfo->next_hwpage * pginfo->hwpage_size)); if ( !(*kpage) && pbuf->addr ) { - ehca_gen_err("pbuf->addr=%lx pbuf->size=%lx " - "next_hwpage=%lx", pbuf->addr, + ehca_gen_err("pbuf->addr=%llx pbuf->size=%llx " + "next_hwpage=%llx", pbuf->addr, pbuf->size, pginfo->next_hwpage); return -EFAULT; } @@ -1996,8 +1996,8 @@ static int ehca_set_pagebuf_fmr(struct ehca_mr_pginfo *pginfo, *kpage = phys_to_abs((*fmrlist & ~(pginfo->hwpage_size - 1)) + pginfo->next_hwpage * pginfo->hwpage_size); if ( !(*kpage) ) { - ehca_gen_err("*fmrlist=%lx fmrlist=%p " - "next_listelem=%lx next_hwpage=%lx", + ehca_gen_err("*fmrlist=%llx fmrlist=%p " + "next_listelem=%llx next_hwpage=%llx", *fmrlist, fmrlist, pginfo->u.fmr.next_listelem, pginfo->next_hwpage); @@ -2025,7 +2025,7 @@ static int ehca_set_pagebuf_fmr(struct ehca_mr_pginfo *pginfo, ~(pginfo->hwpage_size - 1)); if (prev + pginfo->u.fmr.fmr_pgsize != p) { ehca_gen_err("uncontiguous fmr pages " - "found prev=%lx p=%lx " + "found prev=%llx p=%llx " "idx=%x", prev, p, i + j); return -EINVAL; } diff --git a/drivers/infiniband/hw/ehca/ehca_qp.c b/drivers/infiniband/hw/ehca/ehca_qp.c index f161cf1..00c1081 100644 --- a/drivers/infiniband/hw/ehca/ehca_qp.c +++ b/drivers/infiniband/hw/ehca/ehca_qp.c @@ -331,7 +331,7 @@ static inline int init_qp_queue(struct ehca_shca *shca, if (cnt == (nr_q_pages - 1)) { /* last page! */ if (h_ret != expected_hret) { ehca_err(ib_dev, "hipz_qp_register_rpage() " - "h_ret=%li", h_ret); + "h_ret=%lli", h_ret); ret = ehca2ib_return_code(h_ret); goto init_qp_queue1; } @@ -345,7 +345,7 @@ static inline int init_qp_queue(struct ehca_shca *shca, } else { if (h_ret != H_PAGE_REGISTERED) { ehca_err(ib_dev, "hipz_qp_register_rpage() " - "h_ret=%li", h_ret); + "h_ret=%lli", h_ret); ret = ehca2ib_return_code(h_ret); goto init_qp_queue1; } @@ -709,7 +709,7 @@ static struct ehca_qp *internal_create_qp( h_ret = hipz_h_alloc_resource_qp(shca->ipz_hca_handle, &parms); if (h_ret != H_SUCCESS) { - ehca_err(pd->device, "h_alloc_resource_qp() failed h_ret=%li", + ehca_err(pd->device, "h_alloc_resource_qp() failed h_ret=%lli", h_ret); ret = ehca2ib_return_code(h_ret); goto create_qp_exit1; @@ -1010,7 +1010,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd, mqpcb, my_qp->galpas.kernel); if (hret != H_SUCCESS) { ehca_err(pd->device, "Could not modify SRQ to INIT " - "ehca_qp=%p qp_num=%x h_ret=%li", + "ehca_qp=%p qp_num=%x h_ret=%lli", my_qp, my_qp->real_qp_num, hret); goto create_srq2; } @@ -1024,7 +1024,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd, mqpcb, my_qp->galpas.kernel); if (hret != H_SUCCESS) { ehca_err(pd->device, "Could not enable SRQ " - "ehca_qp=%p qp_num=%x h_ret=%li", + "ehca_qp=%p qp_num=%x h_ret=%lli", my_qp, my_qp->real_qp_num, hret); goto create_srq2; } @@ -1038,7 +1038,7 @@ struct ib_srq *ehca_create_srq(struct ib_pd *pd, mqpcb, my_qp->galpas.kernel); if (hret != H_SUCCESS) { ehca_err(pd->device, "Could not modify SRQ to RTR " - "ehca_qp=%p qp_num=%x h_ret=%li", + "ehca_qp=%p qp_num=%x h_ret=%lli", my_qp, my_qp->real_qp_num, hret); goto create_srq2; } @@ -1078,7 +1078,7 @@ static int prepare_sqe_rts(struct ehca_qp *my_qp, struct ehca_shca *shca, &bad_send_wqe_p, NULL, 2); if (h_ret != H_SUCCESS) { ehca_err(&shca->ib_device, "hipz_h_disable_and_get_wqe() failed" - " ehca_qp=%p qp_num=%x h_ret=%li", + " ehca_qp=%p qp_num=%x h_ret=%lli", my_qp, qp_num, h_ret); return ehca2ib_return_code(h_ret); } @@ -1134,7 +1134,7 @@ static int calc_left_cqes(u64 wqe_p, struct ipz_queue *ipz_queue, if (ipz_queue_abs_to_offset(ipz_queue, wqe_p, &q_ofs)) { ehca_gen_err("Invalid offset for calculating left cqes " - "wqe_p=%#lx wqe_v=%p\n", wqe_p, wqe_v); + "wqe_p=%#llx wqe_v=%p\n", wqe_p, wqe_v); return -EFAULT; } @@ -1168,7 +1168,7 @@ static int check_for_left_cqes(struct ehca_qp *my_qp, struct ehca_shca *shca) &send_wqe_p, &recv_wqe_p, 4); if (h_ret != H_SUCCESS) { ehca_err(&shca->ib_device, "disable_and_get_wqe() " - "failed ehca_qp=%p qp_num=%x h_ret=%li", + "failed ehca_qp=%p qp_num=%x h_ret=%lli", my_qp, qp_num, h_ret); return ehca2ib_return_code(h_ret); } @@ -1261,7 +1261,7 @@ static int internal_modify_qp(struct ib_qp *ibqp, mqpcb, my_qp->galpas.kernel); if (h_ret != H_SUCCESS) { ehca_err(ibqp->device, "hipz_h_query_qp() failed " - "ehca_qp=%p qp_num=%x h_ret=%li", + "ehca_qp=%p qp_num=%x h_ret=%lli", my_qp, ibqp->qp_num, h_ret); ret = ehca2ib_return_code(h_ret); goto modify_qp_exit1; @@ -1690,7 +1690,7 @@ static int internal_modify_qp(struct ib_qp *ibqp, if (h_ret != H_SUCCESS) { ret = ehca2ib_return_code(h_ret); - ehca_err(ibqp->device, "hipz_h_modify_qp() failed h_ret=%li " + ehca_err(ibqp->device, "hipz_h_modify_qp() failed h_ret=%lli " "ehca_qp=%p qp_num=%x", h_ret, my_qp, ibqp->qp_num); goto modify_qp_exit2; } @@ -1723,7 +1723,7 @@ static int internal_modify_qp(struct ib_qp *ibqp, ret = ehca2ib_return_code(h_ret); ehca_err(ibqp->device, "ENABLE in context of " "RESET_2_INIT failed! Maybe you didn't get " - "a LID h_ret=%li ehca_qp=%p qp_num=%x", + "a LID h_ret=%lli ehca_qp=%p qp_num=%x", h_ret, my_qp, ibqp->qp_num); goto modify_qp_exit2; } @@ -1909,7 +1909,7 @@ int ehca_query_qp(struct ib_qp *qp, if (h_ret != H_SUCCESS) { ret = ehca2ib_return_code(h_ret); ehca_err(qp->device, "hipz_h_query_qp() failed " - "ehca_qp=%p qp_num=%x h_ret=%li", + "ehca_qp=%p qp_num=%x h_ret=%lli", my_qp, qp->qp_num, h_ret); goto query_qp_exit1; } @@ -2074,7 +2074,7 @@ int ehca_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr, if (h_ret != H_SUCCESS) { ret = ehca2ib_return_code(h_ret); - ehca_err(ibsrq->device, "hipz_h_modify_qp() failed h_ret=%li " + ehca_err(ibsrq->device, "hipz_h_modify_qp() failed h_ret=%lli " "ehca_qp=%p qp_num=%x", h_ret, my_qp, my_qp->real_qp_num); } @@ -2108,7 +2108,7 @@ int ehca_query_srq(struct ib_srq *srq, struct ib_srq_attr *srq_attr) if (h_ret != H_SUCCESS) { ret = ehca2ib_return_code(h_ret); ehca_err(srq->device, "hipz_h_query_qp() failed " - "ehca_qp=%p qp_num=%x h_ret=%li", + "ehca_qp=%p qp_num=%x h_ret=%lli", my_qp, my_qp->real_qp_num, h_ret); goto query_srq_exit1; } @@ -2179,7 +2179,7 @@ static int internal_destroy_qp(struct ib_device *dev, struct ehca_qp *my_qp, h_ret = hipz_h_destroy_qp(shca->ipz_hca_handle, my_qp); if (h_ret != H_SUCCESS) { - ehca_err(dev, "hipz_h_destroy_qp() failed h_ret=%li " + ehca_err(dev, "hipz_h_destroy_qp() failed h_ret=%lli " "ehca_qp=%p qp_num=%x", h_ret, my_qp, qp_num); return ehca2ib_return_code(h_ret); } diff --git a/drivers/infiniband/hw/ehca/ehca_reqs.c b/drivers/infiniband/hw/ehca/ehca_reqs.c index c711268..5a3d96f 100644 --- a/drivers/infiniband/hw/ehca/ehca_reqs.c +++ b/drivers/infiniband/hw/ehca/ehca_reqs.c @@ -822,7 +822,7 @@ static int generate_flush_cqes(struct ehca_qp *my_qp, struct ib_cq *cq, offset = qmap->next_wqe_idx * ipz_queue->qe_size; wqe = (struct ehca_wqe *)ipz_qeit_calc(ipz_queue, offset); if (!wqe) { - ehca_err(cq->device, "Invalid wqe offset=%#lx on " + ehca_err(cq->device, "Invalid wqe offset=%#llx on " "qp_num=%#x", offset, my_qp->real_qp_num); return nr; } diff --git a/drivers/infiniband/hw/ehca/ehca_sqp.c b/drivers/infiniband/hw/ehca/ehca_sqp.c index 706d97a..44447aa 100644 --- a/drivers/infiniband/hw/ehca/ehca_sqp.c +++ b/drivers/infiniband/hw/ehca/ehca_sqp.c @@ -85,7 +85,7 @@ u64 ehca_define_sqp(struct ehca_shca *shca, if (ret != H_SUCCESS) { ehca_err(&shca->ib_device, - "Can't define AQP1 for port %x. h_ret=%li", + "Can't define AQP1 for port %x. h_ret=%lli", port, ret); return ret; } diff --git a/drivers/infiniband/hw/ehca/ehca_tools.h b/drivers/infiniband/hw/ehca/ehca_tools.h index 21f7d06..f09914c 100644 --- a/drivers/infiniband/hw/ehca/ehca_tools.h +++ b/drivers/infiniband/hw/ehca/ehca_tools.h @@ -116,7 +116,7 @@ extern int ehca_debug_level; unsigned char *deb = (unsigned char *)(adr); \ for (x = 0; x < l; x += 16) { \ printk(KERN_INFO "EHCA_DMP:%s " format \ - " adr=%p ofs=%04x %016lx %016lx\n", \ + " adr=%p ofs=%04x %016llx %016llx\n", \ __func__, ##args, deb, x, \ *((u64 *)&deb[0]), *((u64 *)&deb[8])); \ deb += 16; \ diff --git a/drivers/infiniband/hw/ehca/ehca_uverbs.c b/drivers/infiniband/hw/ehca/ehca_uverbs.c index e43ed8f..3cb688d 100644 --- a/drivers/infiniband/hw/ehca/ehca_uverbs.c +++ b/drivers/infiniband/hw/ehca/ehca_uverbs.c @@ -114,7 +114,7 @@ static int ehca_mmap_fw(struct vm_area_struct *vma, struct h_galpas *galpas, physical = galpas->user.fw_handle; vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot); - ehca_gen_dbg("vsize=%lx physical=%lx", vsize, physical); + ehca_gen_dbg("vsize=%llx physical=%llx", vsize, physical); /* VM_IO | VM_RESERVED are set by remap_pfn_range() */ ret = remap_4k_pfn(vma, vma->vm_start, physical >> EHCA_PAGESHIFT, vma->vm_page_prot); diff --git a/drivers/infiniband/hw/ehca/hcp_if.c b/drivers/infiniband/hw/ehca/hcp_if.c index 415d3a4..d0ab0c0 100644 --- a/drivers/infiniband/hw/ehca/hcp_if.c +++ b/drivers/infiniband/hw/ehca/hcp_if.c @@ -226,7 +226,7 @@ u64 hipz_h_alloc_resource_eq(const struct ipz_adapter_handle adapter_handle, u32 *eq_ist) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; u64 allocate_controls; /* resource type */ @@ -249,7 +249,7 @@ u64 hipz_h_alloc_resource_eq(const struct ipz_adapter_handle adapter_handle, *eq_ist = (u32)outs[5]; if (ret == H_NOT_ENOUGH_RESOURCES) - ehca_gen_err("Not enough resource - ret=%li ", ret); + ehca_gen_err("Not enough resource - ret=%lli ", ret); return ret; } @@ -270,7 +270,7 @@ u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle, struct ehca_alloc_cq_parms *param) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs, adapter_handle.handle, /* r4 */ @@ -287,7 +287,7 @@ u64 hipz_h_alloc_resource_cq(const struct ipz_adapter_handle adapter_handle, hcp_galpas_ctor(&cq->galpas, outs[5], outs[6]); if (ret == H_NOT_ENOUGH_RESOURCES) - ehca_gen_err("Not enough resources. ret=%li", ret); + ehca_gen_err("Not enough resources. ret=%lli", ret); return ret; } @@ -297,7 +297,7 @@ u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle, { u64 ret; u64 allocate_controls, max_r10_reg, r11, r12; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; allocate_controls = EHCA_BMASK_SET(H_ALL_RES_QP_ENHANCED_OPS, parms->ext_type) @@ -362,7 +362,7 @@ u64 hipz_h_alloc_resource_qp(const struct ipz_adapter_handle adapter_handle, hcp_galpas_ctor(&parms->galpas, outs[6], outs[6]); if (ret == H_NOT_ENOUGH_RESOURCES) - ehca_gen_err("Not enough resources. ret=%li", ret); + ehca_gen_err("Not enough resources. ret=%lli", ret); return ret; } @@ -454,7 +454,7 @@ u64 hipz_h_register_rpage_eq(const struct ipz_adapter_handle adapter_handle, const u64 count) { if (count != 1) { - ehca_gen_err("Ppage counter=%lx", count); + ehca_gen_err("Ppage counter=%llx", count); return H_PARAMETER; } return hipz_h_register_rpage(adapter_handle, @@ -489,7 +489,7 @@ u64 hipz_h_register_rpage_cq(const struct ipz_adapter_handle adapter_handle, const struct h_galpa gal) { if (count != 1) { - ehca_gen_err("Page counter=%lx", count); + ehca_gen_err("Page counter=%llx", count); return H_PARAMETER; } @@ -508,7 +508,7 @@ u64 hipz_h_register_rpage_qp(const struct ipz_adapter_handle adapter_handle, const struct h_galpa galpa) { if (count > 1) { - ehca_gen_err("Page counter=%lx", count); + ehca_gen_err("Page counter=%llx", count); return H_PARAMETER; } @@ -525,7 +525,7 @@ u64 hipz_h_disable_and_get_wqe(const struct ipz_adapter_handle adapter_handle, int dis_and_get_function_code) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_DISABLE_AND_GETC, outs, adapter_handle.handle, /* r4 */ @@ -548,7 +548,7 @@ u64 hipz_h_modify_qp(const struct ipz_adapter_handle adapter_handle, struct h_galpa gal) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_MODIFY_QP, outs, adapter_handle.handle, /* r4 */ qp_handle.handle, /* r5 */ @@ -557,7 +557,7 @@ u64 hipz_h_modify_qp(const struct ipz_adapter_handle adapter_handle, 0, 0, 0, 0, 0); if (ret == H_NOT_ENOUGH_RESOURCES) - ehca_gen_err("Insufficient resources ret=%li", ret); + ehca_gen_err("Insufficient resources ret=%lli", ret); return ret; } @@ -579,7 +579,7 @@ u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle, struct ehca_qp *qp) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = hcp_galpas_dtor(&qp->galpas); if (ret) { @@ -593,7 +593,7 @@ u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle, qp->ipz_qp_handle.handle, /* r6 */ 0, 0, 0, 0, 0, 0); if (ret == H_HARDWARE) - ehca_gen_err("HCA not operational. ret=%li", ret); + ehca_gen_err("HCA not operational. ret=%lli", ret); ret = ehca_plpar_hcall_norets(H_FREE_RESOURCE, adapter_handle.handle, /* r4 */ @@ -601,7 +601,7 @@ u64 hipz_h_destroy_qp(const struct ipz_adapter_handle adapter_handle, 0, 0, 0, 0, 0); if (ret == H_RESOURCE) - ehca_gen_err("Resource still in use. ret=%li", ret); + ehca_gen_err("Resource still in use. ret=%lli", ret); return ret; } @@ -625,7 +625,7 @@ u64 hipz_h_define_aqp1(const struct ipz_adapter_handle adapter_handle, u32 * bma_qp_nr) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_DEFINE_AQP1, outs, adapter_handle.handle, /* r4 */ @@ -636,7 +636,7 @@ u64 hipz_h_define_aqp1(const struct ipz_adapter_handle adapter_handle, *bma_qp_nr = (u32)outs[1]; if (ret == H_ALIAS_EXIST) - ehca_gen_err("AQP1 already exists. ret=%li", ret); + ehca_gen_err("AQP1 already exists. ret=%lli", ret); return ret; } @@ -658,7 +658,7 @@ u64 hipz_h_attach_mcqp(const struct ipz_adapter_handle adapter_handle, 0, 0); if (ret == H_NOT_ENOUGH_RESOURCES) - ehca_gen_err("Not enough resources. ret=%li", ret); + ehca_gen_err("Not enough resources. ret=%lli", ret); return ret; } @@ -697,7 +697,7 @@ u64 hipz_h_destroy_cq(const struct ipz_adapter_handle adapter_handle, 0, 0, 0, 0); if (ret == H_RESOURCE) - ehca_gen_err("H_FREE_RESOURCE failed ret=%li ", ret); + ehca_gen_err("H_FREE_RESOURCE failed ret=%lli ", ret); return ret; } @@ -719,7 +719,7 @@ u64 hipz_h_destroy_eq(const struct ipz_adapter_handle adapter_handle, 0, 0, 0, 0, 0); if (ret == H_RESOURCE) - ehca_gen_err("Resource in use. ret=%li ", ret); + ehca_gen_err("Resource in use. ret=%lli ", ret); return ret; } @@ -733,7 +733,7 @@ u64 hipz_h_alloc_resource_mr(const struct ipz_adapter_handle adapter_handle, struct ehca_mr_hipzout_parms *outparms) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs, adapter_handle.handle, /* r4 */ @@ -774,9 +774,9 @@ u64 hipz_h_register_rpage_mr(const struct ipz_adapter_handle adapter_handle, if ((count > 1) && (logical_address_of_page & (EHCA_PAGESIZE-1))) { ehca_gen_err("logical_address_of_page not on a 4k boundary " - "adapter_handle=%lx mr=%p mr_handle=%lx " + "adapter_handle=%llx mr=%p mr_handle=%llx " "pagesize=%x queue_type=%x " - "logical_address_of_page=%lx count=%lx", + "logical_address_of_page=%llx count=%llx", adapter_handle.handle, mr, mr->ipz_mr_handle.handle, pagesize, queue_type, logical_address_of_page, count); @@ -794,7 +794,7 @@ u64 hipz_h_query_mr(const struct ipz_adapter_handle adapter_handle, struct ehca_mr_hipzout_parms *outparms) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_QUERY_MR, outs, adapter_handle.handle, /* r4 */ @@ -828,7 +828,7 @@ u64 hipz_h_reregister_pmr(const struct ipz_adapter_handle adapter_handle, struct ehca_mr_hipzout_parms *outparms) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_REREGISTER_PMR, outs, adapter_handle.handle, /* r4 */ @@ -855,7 +855,7 @@ u64 hipz_h_register_smr(const struct ipz_adapter_handle adapter_handle, struct ehca_mr_hipzout_parms *outparms) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_REGISTER_SMR, outs, adapter_handle.handle, /* r4 */ @@ -877,7 +877,7 @@ u64 hipz_h_alloc_resource_mw(const struct ipz_adapter_handle adapter_handle, struct ehca_mw_hipzout_parms *outparms) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_ALLOC_RESOURCE, outs, adapter_handle.handle, /* r4 */ @@ -895,7 +895,7 @@ u64 hipz_h_query_mw(const struct ipz_adapter_handle adapter_handle, struct ehca_mw_hipzout_parms *outparms) { u64 ret; - u64 outs[PLPAR_HCALL9_BUFSIZE]; + unsigned long outs[PLPAR_HCALL9_BUFSIZE]; ret = ehca_plpar_hcall9(H_QUERY_MW, outs, adapter_handle.handle, /* r4 */ diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 39167a7..a91cb4c 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1462,7 +1462,8 @@ static void __set_data_seg(struct mlx4_wqe_data_seg *dseg, struct ib_sge *sg) } static int build_lso_seg(struct mlx4_wqe_lso_seg *wqe, struct ib_send_wr *wr, - struct mlx4_ib_qp *qp, unsigned *lso_seg_len) + struct mlx4_ib_qp *qp, unsigned *lso_seg_len, + __be32 *lso_hdr_sz) { unsigned halign = ALIGN(sizeof *wqe + wr->wr.ud.hlen, 16); @@ -1479,12 +1480,8 @@ static int build_lso_seg(struct mlx4_wqe_lso_seg *wqe, struct ib_send_wr *wr, memcpy(wqe->header, wr->wr.ud.header, wr->wr.ud.hlen); - /* make sure LSO header is written before overwriting stamping */ - wmb(); - - wqe->mss_hdr_size = cpu_to_be32((wr->wr.ud.mss - wr->wr.ud.hlen) << 16 | - wr->wr.ud.hlen); - + *lso_hdr_sz = cpu_to_be32((wr->wr.ud.mss - wr->wr.ud.hlen) << 16 | + wr->wr.ud.hlen); *lso_seg_len = halign; return 0; } @@ -1518,6 +1515,9 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, int uninitialized_var(stamp); int uninitialized_var(size); unsigned uninitialized_var(seglen); + __be32 dummy; + __be32 *lso_wqe; + __be32 uninitialized_var(lso_hdr_sz); int i; spin_lock_irqsave(&qp->sq.lock, flags); @@ -1525,6 +1525,8 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, ind = qp->sq_next_wqe; for (nreq = 0; wr; ++nreq, wr = wr->next) { + lso_wqe = &dummy; + if (mlx4_wq_overflow(&qp->sq, nreq, qp->ibqp.send_cq)) { err = -ENOMEM; *bad_wr = wr; @@ -1606,11 +1608,12 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, size += sizeof (struct mlx4_wqe_datagram_seg) / 16; if (wr->opcode == IB_WR_LSO) { - err = build_lso_seg(wqe, wr, qp, &seglen); + err = build_lso_seg(wqe, wr, qp, &seglen, &lso_hdr_sz); if (unlikely(err)) { *bad_wr = wr; goto out; } + lso_wqe = (__be32 *) wqe; wqe += seglen; size += seglen / 16; } @@ -1652,6 +1655,14 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, for (i = wr->num_sge - 1; i >= 0; --i, --dseg) set_data_seg(dseg, wr->sg_list + i); + /* + * Possibly overwrite stamping in cacheline with LSO + * segment only after making sure all data segments + * are written. + */ + wmb(); + *lso_wqe = lso_hdr_sz; + ctrl->fence_size = (wr->send_flags & IB_SEND_FENCE ? MLX4_WQE_CTRL_FENCE : 0) | size; @@ -1686,7 +1697,6 @@ int mlx4_ib_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr, stamp_send_wqe(qp, stamp, size * 16); ind = pad_wraparound(qp, ind); } - } out: diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index dce0443..0bd2a4f 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -106,23 +106,17 @@ int ipoib_open(struct net_device *dev) ipoib_dbg(priv, "bringing up interface\n"); - set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); + if (!test_and_set_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags)) + napi_enable(&priv->napi); if (ipoib_pkey_dev_delay_open(dev)) return 0; - napi_enable(&priv->napi); + if (ipoib_ib_dev_open(dev)) + goto err_disable; - if (ipoib_ib_dev_open(dev)) { - napi_disable(&priv->napi); - return -EINVAL; - } - - if (ipoib_ib_dev_up(dev)) { - ipoib_ib_dev_stop(dev, 1); - napi_disable(&priv->napi); - return -EINVAL; - } + if (ipoib_ib_dev_up(dev)) + goto err_stop; if (!test_bit(IPOIB_FLAG_SUBINTERFACE, &priv->flags)) { struct ipoib_dev_priv *cpriv; @@ -144,6 +138,15 @@ int ipoib_open(struct net_device *dev) netif_start_queue(dev); return 0; + +err_stop: + ipoib_ib_dev_stop(dev, 1); + +err_disable: + napi_disable(&priv->napi); + clear_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags); + + return -EINVAL; } static int ipoib_stop(struct net_device *dev) diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 59d02e0b..425e311 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -409,7 +409,7 @@ static int ipoib_mcast_join_complete(int status, } if (mcast->logcount++ < 20) { - if (status == -ETIMEDOUT) { + if (status == -ETIMEDOUT || status == -EAGAIN) { ipoib_dbg_mcast(priv, "multicast join failed for %pI6, status %d\n", mcast->mcmember.mgid.raw, status); } else { diff --git a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c index 2cf1a40..5a76a55 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_vlan.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_vlan.c @@ -61,6 +61,7 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey) ppriv = netdev_priv(pdev); + rtnl_lock(); mutex_lock(&ppriv->vlan_mutex); /* @@ -111,7 +112,7 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey) goto device_init_failed; } - result = register_netdev(priv->dev); + result = register_netdevice(priv->dev); if (result) { ipoib_warn(priv, "failed to initialize; error %i", result); goto register_failed; @@ -134,12 +135,13 @@ int ipoib_vlan_add(struct net_device *pdev, unsigned short pkey) list_add_tail(&priv->list, &ppriv->child_intfs); mutex_unlock(&ppriv->vlan_mutex); + rtnl_unlock(); return 0; sysfs_failed: ipoib_delete_debug_files(priv->dev); - unregister_netdev(priv->dev); + unregister_netdevice(priv->dev); register_failed: ipoib_dev_cleanup(priv->dev); @@ -149,6 +151,7 @@ device_init_failed: err: mutex_unlock(&ppriv->vlan_mutex); + rtnl_unlock(); return result; } @@ -162,10 +165,11 @@ int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey) ppriv = netdev_priv(pdev); + rtnl_lock(); mutex_lock(&ppriv->vlan_mutex); list_for_each_entry_safe(priv, tpriv, &ppriv->child_intfs, list) { if (priv->pkey == pkey) { - unregister_netdev(priv->dev); + unregister_netdevice(priv->dev); ipoib_dev_cleanup(priv->dev); list_del(&priv->list); free_netdev(priv->dev); @@ -175,6 +179,7 @@ int ipoib_vlan_delete(struct net_device *pdev, unsigned short pkey) } } mutex_unlock(&ppriv->vlan_mutex); + rtnl_unlock(); return ret; } diff --git a/drivers/isdn/i4l/isdn_ppp.c b/drivers/isdn/i4l/isdn_ppp.c index a3551dd..aa30b5c 100644 --- a/drivers/isdn/i4l/isdn_ppp.c +++ b/drivers/isdn/i4l/isdn_ppp.c @@ -431,6 +431,7 @@ set_arg(void __user *b, void *val,int len) return 0; } +#ifdef CONFIG_IPPP_FILTER static int get_filter(void __user *arg, struct sock_filter **p) { struct sock_fprog uprog; @@ -465,6 +466,7 @@ static int get_filter(void __user *arg, struct sock_filter **p) *p = code; return uprog.len; } +#endif /* CONFIG_IPPP_FILTER */ /* * ippp device ioctl diff --git a/drivers/lguest/core.c b/drivers/lguest/core.c index 90663e0..60156df 100644 --- a/drivers/lguest/core.c +++ b/drivers/lguest/core.c @@ -224,7 +224,7 @@ int run_guest(struct lg_cpu *cpu, unsigned long __user *user) break; /* If the Guest asked to be stopped, we sleep. The Guest's - * clock timer or LHCALL_BREAK from the Waker will wake us. */ + * clock timer or LHREQ_BREAK from the Waker will wake us. */ if (cpu->halted) { set_current_state(TASK_INTERRUPTIBLE); schedule(); diff --git a/drivers/lguest/lguest_user.c b/drivers/lguest/lguest_user.c index 34bc017..b8ee103 100644 --- a/drivers/lguest/lguest_user.c +++ b/drivers/lguest/lguest_user.c @@ -307,9 +307,8 @@ static int close(struct inode *inode, struct file *file) * kmalloc()ed string, either of which is ok to hand to kfree(). */ if (!IS_ERR(lg->dead)) kfree(lg->dead); - /* We clear the entire structure, which also marks it as free for the - * next user. */ - memset(lg, 0, sizeof(*lg)); + /* Free the memory allocated to the lguest_struct */ + kfree(lg); /* Release lock and exit. */ mutex_unlock(&lguest_lock); diff --git a/drivers/md/linear.c b/drivers/md/linear.c index 1e3aea9..09658b2 100644 --- a/drivers/md/linear.c +++ b/drivers/md/linear.c @@ -25,13 +25,13 @@ static inline dev_info_t *which_dev(mddev_t *mddev, sector_t sector) { dev_info_t *hash; linear_conf_t *conf = mddev_to_conf(mddev); + sector_t idx = sector >> conf->sector_shift; /* * sector_div(a,b) returns the remainer and sets a to a/b */ - sector >>= conf->sector_shift; - (void)sector_div(sector, conf->spacing); - hash = conf->hash_table[sector]; + (void)sector_div(idx, conf->spacing); + hash = conf->hash_table[idx]; while (sector >= hash->num_sectors + hash->start_sector) hash++; diff --git a/drivers/md/md.c b/drivers/md/md.c index 41e2509..4495104 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -1481,6 +1481,11 @@ static int bind_rdev_to_array(mdk_rdev_t * rdev, mddev_t * mddev) if (find_rdev_nr(mddev, rdev->desc_nr)) return -EBUSY; } + if (mddev->max_disks && rdev->desc_nr >= mddev->max_disks) { + printk(KERN_WARNING "md: %s: array is limited to %d devices\n", + mdname(mddev), mddev->max_disks); + return -EBUSY; + } bdevname(rdev->bdev,b); while ( (s=strchr(b, '/')) != NULL) *s = '!'; @@ -2441,6 +2446,15 @@ static void analyze_sbs(mddev_t * mddev) i = 0; rdev_for_each(rdev, tmp, mddev) { + if (rdev->desc_nr >= mddev->max_disks || + i > mddev->max_disks) { + printk(KERN_WARNING + "md: %s: %s: only %d devices permitted\n", + mdname(mddev), bdevname(rdev->bdev, b), + mddev->max_disks); + kick_rdev_from_array(rdev); + continue; + } if (rdev != freshest) if (super_types[mddev->major_version]. validate_super(mddev, rdev)) { @@ -4614,13 +4628,6 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev) * noticed in interrupt contexts ... */ - if (rdev->desc_nr == mddev->max_disks) { - printk(KERN_WARNING "%s: can not hot-add to full array!\n", - mdname(mddev)); - err = -EBUSY; - goto abort_unbind_export; - } - rdev->raid_disk = -1; md_update_sb(mddev, 1); @@ -4634,9 +4641,6 @@ static int hot_add_disk(mddev_t * mddev, dev_t dev) md_new_event(mddev); return 0; -abort_unbind_export: - unbind_rdev_from_array(rdev); - abort_export: export_rdev(rdev); return err; diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c index 7b4f5f7..01e3cff 100644 --- a/drivers/md/raid1.c +++ b/drivers/md/raid1.c @@ -1640,7 +1640,8 @@ static void raid1d(mddev_t *mddev) } bio = r1_bio->bios[r1_bio->read_disk]; - if ((disk=read_balance(conf, r1_bio)) == -1) { + if ((disk=read_balance(conf, r1_bio)) == -1 || + disk == r1_bio->read_disk) { printk(KERN_ALERT "raid1: %s: unrecoverable I/O" " read error for block %llu\n", bdevname(bio->bi_bdev,b), diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c index 6098b62..47fee05 100644 --- a/drivers/media/common/saa7146_video.c +++ b/drivers/media/common/saa7146_video.c @@ -576,6 +576,7 @@ static int set_control(struct saa7146_fh *fh, struct v4l2_control *c) vv->vflip = c->value; break; default: { + mutex_unlock(&dev->lock); return -EINVAL; } } diff --git a/drivers/media/common/tuners/mxl5007t.c b/drivers/media/common/tuners/mxl5007t.c index 64379f2..3ec2894 100644 --- a/drivers/media/common/tuners/mxl5007t.c +++ b/drivers/media/common/tuners/mxl5007t.c @@ -657,7 +657,7 @@ static int mxl5007t_get_status(struct dvb_frontend *fe, u32 *status) { struct mxl5007t_state *state = fe->tuner_priv; int rf_locked, ref_locked; - s32 rf_input_level; + s32 rf_input_level = 0; int ret; if (fe->ops.i2c_gate_ctrl) diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c index 98ee167..7e3aeaa 100644 --- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.c +++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.c @@ -93,6 +93,9 @@ struct dvb_ca_slot { /* current state of the CAM */ int slot_state; + /* mutex used for serializing access to one CI slot */ + struct mutex slot_lock; + /* Number of CAMCHANGES that have occurred since last processing */ atomic_t camchange_count; @@ -711,14 +714,20 @@ static int dvb_ca_en50221_write_data(struct dvb_ca_private *ca, int slot, u8 * b dprintk("%s\n", __func__); - // sanity check + /* sanity check */ if (bytes_write > ca->slot_info[slot].link_buf_size) return -EINVAL; - /* check if interface is actually waiting for us to read from it, or if a read is in progress */ + /* it is possible we are dealing with a single buffer implementation, + thus if there is data available for read or if there is even a read + already in progress, we do nothing but awake the kernel thread to + process the data if necessary. */ if ((status = ca->pub->read_cam_control(ca->pub, slot, CTRLIF_STATUS)) < 0) goto exitnowrite; if (status & (STATUSREG_DA | STATUSREG_RE)) { + if (status & STATUSREG_DA) + dvb_ca_en50221_thread_wakeup(ca); + status = -EAGAIN; goto exitnowrite; } @@ -987,6 +996,8 @@ static int dvb_ca_en50221_thread(void *data) /* go through all the slots processing them */ for (slot = 0; slot < ca->slot_count; slot++) { + mutex_lock(&ca->slot_info[slot].slot_lock); + // check the cam status + deal with CAMCHANGEs while (dvb_ca_en50221_check_camstatus(ca, slot)) { /* clear down an old CI slot if necessary */ @@ -1122,7 +1133,7 @@ static int dvb_ca_en50221_thread(void *data) case DVB_CA_SLOTSTATE_RUNNING: if (!ca->open) - continue; + break; // poll slots for data pktcount = 0; @@ -1146,6 +1157,8 @@ static int dvb_ca_en50221_thread(void *data) } break; } + + mutex_unlock(&ca->slot_info[slot].slot_lock); } } @@ -1181,6 +1194,7 @@ static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file, switch (cmd) { case CA_RESET: for (slot = 0; slot < ca->slot_count; slot++) { + mutex_lock(&ca->slot_info[slot].slot_lock); if (ca->slot_info[slot].slot_state != DVB_CA_SLOTSTATE_NONE) { dvb_ca_en50221_slot_shutdown(ca, slot); if (ca->flags & DVB_CA_EN50221_FLAG_IRQ_CAMCHANGE) @@ -1188,6 +1202,7 @@ static int dvb_ca_en50221_io_do_ioctl(struct inode *inode, struct file *file, slot, DVB_CA_EN50221_CAMCHANGE_INSERTED); } + mutex_unlock(&ca->slot_info[slot].slot_lock); } ca->next_read_slot = 0; dvb_ca_en50221_thread_wakeup(ca); @@ -1308,7 +1323,9 @@ static ssize_t dvb_ca_en50221_io_write(struct file *file, goto exit; } + mutex_lock(&ca->slot_info[slot].slot_lock); status = dvb_ca_en50221_write_data(ca, slot, fragbuf, fraglen + 2); + mutex_unlock(&ca->slot_info[slot].slot_lock); if (status == (fraglen + 2)) { written = 1; break; @@ -1664,6 +1681,7 @@ int dvb_ca_en50221_init(struct dvb_adapter *dvb_adapter, ca->slot_info[i].slot_state = DVB_CA_SLOTSTATE_NONE; atomic_set(&ca->slot_info[i].camchange_count, 0); ca->slot_info[i].camchange_type = DVB_CA_EN50221_CAMCHANGE_REMOVED; + mutex_init(&ca->slot_info[i].slot_lock); } if (signal_pending(current)) { diff --git a/drivers/media/dvb/dvb-core/dvb_ca_en50221.h b/drivers/media/dvb/dvb-core/dvb_ca_en50221.h index 8467e63..7df2e14 100644 --- a/drivers/media/dvb/dvb-core/dvb_ca_en50221.h +++ b/drivers/media/dvb/dvb-core/dvb_ca_en50221.h @@ -45,8 +45,10 @@ struct dvb_ca_en50221 { /* the module owning this structure */ struct module* owner; - /* NOTE: the read_*, write_* and poll_slot_status functions must use locks as - * they may be called from several threads at once */ + /* NOTE: the read_*, write_* and poll_slot_status functions will be + * called for different slots concurrently and need to use locks where + * and if appropriate. There will be no concurrent access to one slot. + */ /* functions for accessing attribute memory on the CAM */ int (*read_attribute_mem)(struct dvb_ca_en50221* ca, int slot, int address); diff --git a/drivers/media/dvb/dvb-usb/af9005-fe.c b/drivers/media/dvb/dvb-usb/af9005-fe.c index b1a9c4c..199ece0 100644 --- a/drivers/media/dvb/dvb-usb/af9005-fe.c +++ b/drivers/media/dvb/dvb-usb/af9005-fe.c @@ -220,7 +220,7 @@ static int af9005_get_post_vit_ber(struct dvb_frontend *fe, u16 * abort_count) { u32 loc_cw_count = 0, loc_err_count; - u16 loc_abort_count; + u16 loc_abort_count = 0; int ret; ret = diff --git a/drivers/media/dvb/dvb-usb/af9015.c b/drivers/media/dvb/dvb-usb/af9015.c index e1e9aa5..6a97a40 100644 --- a/drivers/media/dvb/dvb-usb/af9015.c +++ b/drivers/media/dvb/dvb-usb/af9015.c @@ -694,7 +694,12 @@ static int af9015_read_config(struct usb_device *udev) /* IR remote controller */ req.addr = AF9015_EEPROM_IR_MODE; - ret = af9015_rw_udev(udev, &req); + /* first message will timeout often due to possible hw bug */ + for (i = 0; i < 4; i++) { + ret = af9015_rw_udev(udev, &req); + if (!ret) + break; + } if (ret) goto error; deb_info("%s: IR mode:%d\n", __func__, val); @@ -835,18 +840,19 @@ static int af9015_read_config(struct usb_device *udev) if (!dvb_usb_af9015_dual_mode) af9015_config.dual_mode = 0; - /* set buffer size according to USB port speed */ + /* Set adapter0 buffer size according to USB port speed, adapter1 buffer + size can be static because it is enabled only USB2.0 */ for (i = 0; i < af9015_properties_count; i++) { /* USB1.1 set smaller buffersize and disable 2nd adapter */ if (udev->speed == USB_SPEED_FULL) { - af9015_properties[i].adapter->stream.u.bulk.buffersize = - TS_USB11_MAX_PACKET_SIZE; + af9015_properties[i].adapter[0].stream.u.bulk.buffersize + = TS_USB11_MAX_PACKET_SIZE; /* disable 2nd adapter because we don't have PID-filters */ af9015_config.dual_mode = 0; } else { - af9015_properties[i].adapter->stream.u.bulk.buffersize = - TS_USB20_MAX_PACKET_SIZE; + af9015_properties[i].adapter[0].stream.u.bulk.buffersize + = TS_USB20_MAX_PACKET_SIZE; } } @@ -1254,6 +1260,12 @@ static struct dvb_usb_device_properties af9015_properties[] = { .type = USB_BULK, .count = 6, .endpoint = 0x85, + .u = { + .bulk = { + .buffersize = + TS_USB20_MAX_PACKET_SIZE, + } + } }, } }, @@ -1353,6 +1365,12 @@ static struct dvb_usb_device_properties af9015_properties[] = { .type = USB_BULK, .count = 6, .endpoint = 0x85, + .u = { + .bulk = { + .buffersize = + TS_USB20_MAX_PACKET_SIZE, + } + } }, } }, diff --git a/drivers/media/dvb/dvb-usb/dib0700_devices.c b/drivers/media/dvb/dvb-usb/dib0700_devices.c index 3917327..635d30a 100644 --- a/drivers/media/dvb/dvb-usb/dib0700_devices.c +++ b/drivers/media/dvb/dvb-usb/dib0700_devices.c @@ -1393,6 +1393,9 @@ struct usb_device_id dib0700_usb_id_table[] = { { USB_DEVICE(USB_VID_ASUS, USB_PID_ASUS_U3000H) }, /* 40 */{ USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV801E) }, { USB_DEVICE(USB_VID_PINNACLE, USB_PID_PINNACLE_PCTV801E_SE) }, + { USB_DEVICE(USB_VID_TERRATEC, USB_PID_TERRATEC_CINERGY_T_EXPRESS) }, + { USB_DEVICE(USB_VID_TERRATEC, + USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY_2) }, { 0 } /* Terminating entry */ }; MODULE_DEVICE_TABLE(usb, dib0700_usb_id_table); @@ -1537,7 +1540,8 @@ struct dvb_usb_device_properties dib0700_devices[] = { { "DiBcom STK7700D reference design", { &dib0700_usb_id_table[14], NULL }, { NULL }, - } + }, + }, .rc_interval = DEFAULT_RC_INTERVAL, @@ -1557,7 +1561,7 @@ struct dvb_usb_device_properties dib0700_devices[] = { }, }, - .num_device_descs = 2, + .num_device_descs = 3, .devices = { { "ASUS My Cinema U3000 Mini DVBT Tuner", { &dib0700_usb_id_table[23], NULL }, @@ -1566,6 +1570,10 @@ struct dvb_usb_device_properties dib0700_devices[] = { { "Yuan EC372S", { &dib0700_usb_id_table[31], NULL }, { NULL }, + }, + { "Terratec Cinergy T Express", + { &dib0700_usb_id_table[42], NULL }, + { NULL }, } }, @@ -1653,7 +1661,7 @@ struct dvb_usb_device_properties dib0700_devices[] = { } }, - .num_device_descs = 4, + .num_device_descs = 5, .devices = { { "DiBcom STK7070PD reference design", { &dib0700_usb_id_table[17], NULL }, @@ -1670,6 +1678,10 @@ struct dvb_usb_device_properties dib0700_devices[] = { { "Hauppauge Nova-TD-500 (84xxx)", { &dib0700_usb_id_table[36], NULL }, { NULL }, + }, + { "Terratec Cinergy DT USB XS Diversity", + { &dib0700_usb_id_table[43], NULL }, + { NULL }, } } }, { DIB0700_DEFAULT_DEVICE_PROPERTIES, diff --git a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h index a4fca3f..0db0c06 100644 --- a/drivers/media/dvb/dvb-usb/dvb-usb-ids.h +++ b/drivers/media/dvb/dvb-usb/dvb-usb-ids.h @@ -162,8 +162,10 @@ #define USB_PID_AVERMEDIA_A309 0xa309 #define USB_PID_TECHNOTREND_CONNECT_S2400 0x3006 #define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY 0x005a +#define USB_PID_TERRATEC_CINERGY_DT_XS_DIVERSITY_2 0x0081 #define USB_PID_TERRATEC_CINERGY_HT_USB_XE 0x0058 #define USB_PID_TERRATEC_CINERGY_HT_EXPRESS 0x0060 +#define USB_PID_TERRATEC_CINERGY_T_EXPRESS 0x0062 #define USB_PID_TERRATEC_CINERGY_T_XXS 0x0078 #define USB_PID_PINNACLE_EXPRESSCARD_320CX 0x022e #define USB_PID_PINNACLE_PCTV2000E 0x022c diff --git a/drivers/media/dvb/frontends/drx397xD.c b/drivers/media/dvb/frontends/drx397xD.c index ec4e08d..1e81e71 100644 --- a/drivers/media/dvb/frontends/drx397xD.c +++ b/drivers/media/dvb/frontends/drx397xD.c @@ -646,7 +646,7 @@ static int drx_tune(struct drx397xD_state *s, u32 edi = 0, ebx = 0, ebp = 0, edx = 0; u16 v20 = 0, v1E = 0, v16 = 0, v14 = 0, v12 = 0, v10 = 0, v0E = 0; - int rc, df_tuner; + int rc, df_tuner = 0; int a, b, c, d; pr_debug("%s %d\n", __func__, s->config.d60); diff --git a/drivers/media/dvb/frontends/s5h1409.c b/drivers/media/dvb/frontends/s5h1409.c index cf4d893..3e08d98 100644 --- a/drivers/media/dvb/frontends/s5h1409.c +++ b/drivers/media/dvb/frontends/s5h1409.c @@ -545,9 +545,6 @@ static int s5h1409_set_frontend(struct dvb_frontend *fe, s5h1409_enable_modulation(fe, p->u.vsb.modulation); - /* Allow the demod to settle */ - msleep(100); - if (fe->ops.tuner_ops.set_params) { if (fe->ops.i2c_gate_ctrl) fe->ops.i2c_gate_ctrl(fe, 1); @@ -562,6 +559,10 @@ static int s5h1409_set_frontend(struct dvb_frontend *fe, s5h1409_set_qam_interleave_mode(fe); } + /* Issue a reset to the demod so it knows to resync against the + newly tuned frequency */ + s5h1409_softreset(fe); + return 0; } diff --git a/drivers/media/dvb/frontends/stb0899_algo.c b/drivers/media/dvb/frontends/stb0899_algo.c index 83dc7e1..a67d177 100644 --- a/drivers/media/dvb/frontends/stb0899_algo.c +++ b/drivers/media/dvb/frontends/stb0899_algo.c @@ -31,6 +31,8 @@ inline u32 stb0899_do_div(u64 n, u32 d) return n; } +#if 0 +/* These functions are currently unused */ /* * stb0899_calc_srate * Compute symbol rate @@ -63,6 +65,7 @@ static u32 stb0899_get_srate(struct stb0899_state *state) return stb0899_calc_srate(internal->master_clk, sfr); } +#endif /* * stb0899_set_srate diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c index 1638e1d..83e9e77 100644 --- a/drivers/media/dvb/ttpci/budget.c +++ b/drivers/media/dvb/ttpci/budget.c @@ -470,6 +470,7 @@ static void frontend_init(struct budget *budget) budget->dvb_frontend = dvb_attach(l64781_attach, &grundig_29504_401_config, &budget->i2c_adap); if (budget->dvb_frontend) { budget->dvb_frontend->ops.tuner_ops.set_params = grundig_29504_401_tuner_set_params; + budget->dvb_frontend->tuner_priv = NULL; break; } break; diff --git a/drivers/media/dvb/ttusb-dec/ttusb_dec.c b/drivers/media/dvb/ttusb-dec/ttusb_dec.c index 0aa96df..d91e063 100644 --- a/drivers/media/dvb/ttusb-dec/ttusb_dec.c +++ b/drivers/media/dvb/ttusb-dec/ttusb_dec.c @@ -1384,7 +1384,7 @@ static int ttusb_dec_boot_dsp(struct ttusb_dec *dec) static int ttusb_dec_init_stb(struct ttusb_dec *dec) { int result; - unsigned int mode, model, version; + unsigned int mode = 0, model = 0, version = 0; dprintk("%s\n", __func__); diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c index 0747dc8..fdfc7bf 100644 --- a/drivers/media/radio/radio-mr800.c +++ b/drivers/media/radio/radio-mr800.c @@ -194,10 +194,10 @@ static int amradio_start(struct amradio_device *radio) return retval; } - mutex_unlock(&radio->lock); - radio->muted = 0; + mutex_unlock(&radio->lock); + return retval; } @@ -230,10 +230,10 @@ static int amradio_stop(struct amradio_device *radio) return retval; } - mutex_unlock(&radio->lock); - radio->muted = 1; + mutex_unlock(&radio->lock); + return retval; } @@ -284,10 +284,10 @@ static int amradio_setfreq(struct amradio_device *radio, int freq) return retval; } - mutex_unlock(&radio->lock); - radio->stereo = 0; + mutex_unlock(&radio->lock); + return retval; } diff --git a/drivers/media/video/cs5345.c b/drivers/media/video/cs5345.c index 14bebf8..87e9107 100644 --- a/drivers/media/video/cs5345.c +++ b/drivers/media/video/cs5345.c @@ -18,7 +18,6 @@ */ -#include <linux/version.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/i2c.h> diff --git a/drivers/media/video/cx23885/cx23885-417.c b/drivers/media/video/cx23885/cx23885-417.c index 8f1db57..bfe2584 100644 --- a/drivers/media/video/cx23885/cx23885-417.c +++ b/drivers/media/video/cx23885/cx23885-417.c @@ -1586,7 +1586,8 @@ static int mpeg_open(struct file *file) lock_kernel(); list_for_each(list, &cx23885_devlist) { h = list_entry(list, struct cx23885_dev, devlist); - if (h->v4l_device->minor == minor) { + if (h->v4l_device && + h->v4l_device->minor == minor) { dev = h; break; } diff --git a/drivers/media/video/cx23885/cx23885-video.c b/drivers/media/video/cx23885/cx23885-video.c index 2d81c4d..eaa1189 100644 --- a/drivers/media/video/cx23885/cx23885-video.c +++ b/drivers/media/video/cx23885/cx23885-video.c @@ -730,12 +730,13 @@ static int video_open(struct file *file) lock_kernel(); list_for_each(list, &cx23885_devlist) { h = list_entry(list, struct cx23885_dev, devlist); - if (h->video_dev->minor == minor) { + if (h->video_dev && + h->video_dev->minor == minor) { dev = h; type = V4L2_BUF_TYPE_VIDEO_CAPTURE; } if (h->vbi_dev && - h->vbi_dev->minor == minor) { + h->vbi_dev->minor == minor) { dev = h; type = V4L2_BUF_TYPE_VBI_CAPTURE; } diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c index 88f2fd3..25eb3bec 100644 --- a/drivers/media/video/cx25840/cx25840-core.c +++ b/drivers/media/video/cx25840/cx25840-core.c @@ -1382,6 +1382,14 @@ static int cx25840_log_status(struct v4l2_subdev *sd) static int cx25840_command(struct i2c_client *client, unsigned cmd, void *arg) { + /* ignore this command */ + if (cmd == TUNER_SET_TYPE_ADDR || cmd == TUNER_SET_CONFIG) + return 0; + + /* Old-style drivers rely on initialization on first use, so + call the init whenever a command is issued to this driver. + New-style drivers using v4l2_subdev should call init explicitly. */ + cx25840_init(i2c_get_clientdata(client), 0); return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg); } diff --git a/drivers/media/video/cx88/cx88-dvb.c b/drivers/media/video/cx88/cx88-dvb.c index 613dfea..aef5297 100644 --- a/drivers/media/video/cx88/cx88-dvb.c +++ b/drivers/media/video/cx88/cx88-dvb.c @@ -614,34 +614,41 @@ static struct stv0288_config tevii_tuner_earda_config = { .set_ts_params = cx24116_set_ts_param, }; -static int dvb_register(struct cx8802_dev *dev) +static int cx8802_alloc_frontends(struct cx8802_dev *dev) { struct cx88_core *core = dev->core; - struct videobuf_dvb_frontend *fe0, *fe1 = NULL; - int mfe_shared = 0; /* bus not shared by default */ + struct videobuf_dvb_frontend *fe = NULL; int i; - if (0 != core->i2c_rc) { - printk(KERN_ERR "%s/2: no i2c-bus available, cannot attach dvb drivers\n", core->name); - goto frontend_detach; - } - - if (!core->board.num_frontends) - return -EINVAL; - mutex_init(&dev->frontends.lock); INIT_LIST_HEAD(&dev->frontends.felist); + if (!core->board.num_frontends) + return -ENODEV; + printk(KERN_INFO "%s() allocating %d frontend(s)\n", __func__, core->board.num_frontends); for (i = 1; i <= core->board.num_frontends; i++) { - fe0 = videobuf_dvb_alloc_frontend(&dev->frontends, i); - if (!fe0) { + fe = videobuf_dvb_alloc_frontend(&dev->frontends, i); + if (!fe) { printk(KERN_ERR "%s() failed to alloc\n", __func__); videobuf_dvb_dealloc_frontends(&dev->frontends); - goto frontend_detach; + return -ENOMEM; } } + return 0; +} + +static int dvb_register(struct cx8802_dev *dev) +{ + struct cx88_core *core = dev->core; + struct videobuf_dvb_frontend *fe0, *fe1 = NULL; + int mfe_shared = 0; /* bus not shared by default */ + + if (0 != core->i2c_rc) { + printk(KERN_ERR "%s/2: no i2c-bus available, cannot attach dvb drivers\n", core->name); + goto frontend_detach; + } /* Get the first frontend */ fe0 = videobuf_dvb_get_frontend(&dev->frontends, 1); @@ -1243,6 +1250,8 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv) struct cx88_core *core = drv->core; struct cx8802_dev *dev = drv->core->dvbdev; int err; + struct videobuf_dvb_frontend *fe; + int i; dprintk( 1, "%s\n", __func__); dprintk( 1, " ->being probed by Card=%d Name=%s, PCI %02x:%02x\n", @@ -1258,39 +1267,34 @@ static int cx8802_dvb_probe(struct cx8802_driver *drv) /* If vp3054 isn't enabled, a stub will just return 0 */ err = vp3054_i2c_probe(dev); if (0 != err) - goto fail_probe; + goto fail_core; /* dvb stuff */ printk(KERN_INFO "%s/2: cx2388x based DVB/ATSC card\n", core->name); dev->ts_gen_cntrl = 0x0c; + err = cx8802_alloc_frontends(dev); + if (err) + goto fail_core; + err = -ENODEV; - if (core->board.num_frontends) { - struct videobuf_dvb_frontend *fe; - int i; - - for (i = 1; i <= core->board.num_frontends; i++) { - fe = videobuf_dvb_get_frontend(&core->dvbdev->frontends, i); - if (fe == NULL) { - printk(KERN_ERR "%s() failed to get frontend(%d)\n", + for (i = 1; i <= core->board.num_frontends; i++) { + fe = videobuf_dvb_get_frontend(&core->dvbdev->frontends, i); + if (fe == NULL) { + printk(KERN_ERR "%s() failed to get frontend(%d)\n", __func__, i); - goto fail_probe; - } - videobuf_queue_sg_init(&fe->dvb.dvbq, &dvb_qops, + goto fail_probe; + } + videobuf_queue_sg_init(&fe->dvb.dvbq, &dvb_qops, &dev->pci->dev, &dev->slock, V4L2_BUF_TYPE_VIDEO_CAPTURE, V4L2_FIELD_TOP, sizeof(struct cx88_buffer), dev); - /* init struct videobuf_dvb */ - fe->dvb.name = dev->core->name; - } - } else { - /* no frontends allocated */ - printk(KERN_ERR "%s/2 .num_frontends should be non-zero\n", - core->name); - goto fail_core; + /* init struct videobuf_dvb */ + fe->dvb.name = dev->core->name; } + err = dvb_register(dev); if (err) /* frontends/adapter de-allocated in dvb_register */ diff --git a/drivers/media/video/cx88/cx88.h b/drivers/media/video/cx88/cx88.h index 60a8b31..6025fdd 100644 --- a/drivers/media/video/cx88/cx88.h +++ b/drivers/media/video/cx88/cx88.h @@ -336,8 +336,8 @@ struct cx88_core { /* config info -- dvb */ #if defined(CONFIG_VIDEO_CX88_DVB) || defined(CONFIG_VIDEO_CX88_DVB_MODULE) int (*prev_set_voltage)(struct dvb_frontend *fe, fe_sec_voltage_t voltage); - void (*gate_ctrl)(struct cx88_core *core, int open); #endif + void (*gate_ctrl)(struct cx88_core *core, int open); /* state info */ struct task_struct *kthread; diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c index 94378cc..5d882a4 100644 --- a/drivers/media/video/em28xx/em28xx-audio.c +++ b/drivers/media/video/em28xx/em28xx-audio.c @@ -62,9 +62,15 @@ static int em28xx_isoc_audio_deinit(struct em28xx *dev) dprintk("Stopping isoc\n"); for (i = 0; i < EM28XX_AUDIO_BUFS; i++) { - usb_unlink_urb(dev->adev.urb[i]); + if (!irqs_disabled()) + usb_kill_urb(dev->adev.urb[i]); + else + usb_unlink_urb(dev->adev.urb[i]); usb_free_urb(dev->adev.urb[i]); dev->adev.urb[i] = NULL; + + kfree(dev->adev.transfer_buffer[i]); + dev->adev.transfer_buffer[i] = NULL; } return 0; @@ -389,11 +395,15 @@ static int snd_em28xx_capture_trigger(struct snd_pcm_substream *substream, static snd_pcm_uframes_t snd_em28xx_capture_pointer(struct snd_pcm_substream *substream) { - struct em28xx *dev; + unsigned long flags; + struct em28xx *dev; snd_pcm_uframes_t hwptr_done; + dev = snd_pcm_substream_chip(substream); + spin_lock_irqsave(&dev->adev.slock, flags); hwptr_done = dev->adev.hwptr_done_capture; + spin_unlock_irqrestore(&dev->adev.slock, flags); return hwptr_done; } diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index ef9bf00..3b3ca3f 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -102,6 +102,18 @@ static struct em28xx_reg_seq em2880_msi_digivox_ad_analog[] = { /* Board - EM2870 Kworld 355u Analog - No input analog */ +static struct em28xx_reg_seq kworld_330u_analog[] = { + {EM28XX_R08_GPIO, 0x6d, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x00, 0xff, 10}, + { -1, -1, -1, -1}, +}; + +static struct em28xx_reg_seq kworld_330u_digital[] = { + {EM28XX_R08_GPIO, 0x6e, ~EM_GPIO_4, 10}, + {EM2880_R04_GPO, 0x08, 0xff, 10}, + { -1, -1, -1, -1}, +}; + /* Callback for the most boards */ static struct em28xx_reg_seq default_tuner_gpio[] = { {EM28XX_R08_GPIO, EM_GPIO_4, EM_GPIO_4, 10}, @@ -1177,29 +1189,33 @@ struct em28xx_board em28xx_boards[] = { .gpio = hauppauge_wintv_hvr_900_analog, } }, }, - [EM2883_BOARD_KWORLD_HYBRID_A316] = { + [EM2883_BOARD_KWORLD_HYBRID_330U] = { .name = "Kworld PlusTV HD Hybrid 330", .tuner_type = TUNER_XC2028, .tuner_gpio = default_tuner_gpio, .decoder = EM28XX_TVP5150, .mts_firmware = 1, .has_dvb = 1, - .dvb_gpio = default_digital, + .dvb_gpio = kworld_330u_digital, + .xclk = EM28XX_XCLK_FREQUENCY_12MHZ, + .i2c_speed = EM28XX_I2C_CLK_WAIT_ENABLE | EM28XX_I2C_EEPROM_ON_BOARD | EM28XX_I2C_EEPROM_KEY_VALID, .input = { { .type = EM28XX_VMUX_TELEVISION, .vmux = TVP5150_COMPOSITE0, .amux = EM28XX_AMUX_VIDEO, - .gpio = default_analog, + .gpio = kworld_330u_analog, + .aout = EM28XX_AOUT_PCM_IN | EM28XX_AOUT_PCM_STEREO, }, { .type = EM28XX_VMUX_COMPOSITE1, .vmux = TVP5150_COMPOSITE1, .amux = EM28XX_AMUX_LINE_IN, - .gpio = hauppauge_wintv_hvr_900_analog, + .gpio = kworld_330u_analog, + .aout = EM28XX_AOUT_PCM_IN | EM28XX_AOUT_PCM_STEREO, }, { .type = EM28XX_VMUX_SVIDEO, .vmux = TVP5150_SVIDEO, .amux = EM28XX_AMUX_LINE_IN, - .gpio = hauppauge_wintv_hvr_900_analog, + .gpio = kworld_330u_analog, } }, }, [EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU] = { @@ -1249,7 +1265,7 @@ struct usb_device_id em28xx_id_table [] = { { USB_DEVICE(0xeb1a, 0xe310), .driver_info = EM2880_BOARD_MSI_DIGIVOX_AD }, { USB_DEVICE(0xeb1a, 0xa316), - .driver_info = EM2883_BOARD_KWORLD_HYBRID_A316 }, + .driver_info = EM2883_BOARD_KWORLD_HYBRID_330U }, { USB_DEVICE(0xeb1a, 0xe320), .driver_info = EM2880_BOARD_MSI_DIGIVOX_AD_II }, { USB_DEVICE(0xeb1a, 0xe323), @@ -1526,6 +1542,10 @@ static void em28xx_setup_xc3028(struct em28xx *dev, struct xc2028_ctrl *ctl) /* FIXME: Better to specify the needed IF */ ctl->demod = XC3028_FE_DEFAULT; break; + case EM2883_BOARD_KWORLD_HYBRID_330U: + ctl->demod = XC3028_FE_CHINA; + ctl->fname = XC2028_DEFAULT_FIRMWARE; + break; default: ctl->demod = XC3028_FE_OREN538; } diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index eb5fb05..94fb1b6 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -438,6 +438,10 @@ int em28xx_audio_analog_set(struct em28xx *dev) if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { int vol; + em28xx_write_ac97(dev, AC97_POWER_DOWN_CTRL, 0x4200); + em28xx_write_ac97(dev, AC97_EXT_AUD_CTRL, 0x0031); + em28xx_write_ac97(dev, AC97_PCM_IN_SRATE, 0xbb80); + /* LSB: left channel - both channels with the same level */ vol = (0x1f - dev->volume) | ((0x1f - dev->volume) << 8); @@ -454,6 +458,15 @@ int em28xx_audio_analog_set(struct em28xx *dev) em28xx_warn("couldn't setup AC97 register %d\n", outputs[i].reg); } + + if (dev->ctl_aoutput & EM28XX_AOUT_PCM_IN) { + int sel = ac97_return_record_select(dev->ctl_aoutput); + + /* Use the same input for both left and right channels */ + sel |= (sel << 8); + + em28xx_write_ac97(dev, AC97_RECORD_SELECT, sel); + } } return ret; @@ -847,8 +860,11 @@ void em28xx_uninit_isoc(struct em28xx *dev) for (i = 0; i < dev->isoc_ctl.num_bufs; i++) { urb = dev->isoc_ctl.urb[i]; if (urb) { - usb_kill_urb(urb); - usb_unlink_urb(urb); + if (!irqs_disabled()) + usb_kill_urb(urb); + else + usb_unlink_urb(urb); + if (dev->isoc_ctl.transfer_buffer[i]) { usb_buffer_free(dev->udev, urb->transfer_buffer_length, diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c index d38cb21..9ad8527 100644 --- a/drivers/media/video/em28xx/em28xx-dvb.c +++ b/drivers/media/video/em28xx/em28xx-dvb.c @@ -28,6 +28,7 @@ #include "lgdt330x.h" #include "zl10353.h" +#include "s5h1409.h" #ifdef EM28XX_DRX397XD_SUPPORT #include "drx397xD.h" #endif @@ -232,6 +233,15 @@ static struct zl10353_config em28xx_zl10353_with_xc3028 = { .if2 = 45600, }; +static struct s5h1409_config em28xx_s5h1409_with_xc3028 = { + .demod_address = 0x32 >> 1, + .output_mode = S5H1409_PARALLEL_OUTPUT, + .gpio = S5H1409_GPIO_OFF, + .inversion = S5H1409_INVERSION_OFF, + .status_mode = S5H1409_DEMODLOCKING, + .mpeg_timing = S5H1409_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK +}; + #ifdef EM28XX_DRX397XD_SUPPORT /* [TODO] djh - not sure yet what the device config needs to contain */ static struct drx397xD_config em28xx_drx397xD_with_xc3028 = { @@ -412,7 +422,6 @@ static int dvb_init(struct em28xx *dev) case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850: case EM2883_BOARD_HAUPPAUGE_WINTV_HVR_950: case EM2880_BOARD_PINNACLE_PCTV_HD_PRO: - case EM2883_BOARD_KWORLD_HYBRID_A316: case EM2880_BOARD_AMD_ATI_TV_WONDER_HD_600: dvb->frontend = dvb_attach(lgdt330x_attach, &em2880_lgdt3303_dev, @@ -433,6 +442,15 @@ static int dvb_init(struct em28xx *dev) goto out_free; } break; + case EM2883_BOARD_KWORLD_HYBRID_330U: + dvb->frontend = dvb_attach(s5h1409_attach, + &em28xx_s5h1409_with_xc3028, + &dev->i2c_adap); + if (attach_xc3028(0x61, dev) < 0) { + result = -EINVAL; + goto out_free; + } + break; case EM2880_BOARD_HAUPPAUGE_WINTV_HVR_900_R2: #ifdef EM28XX_DRX397XD_SUPPORT /* We don't have the config structure properly populated, so diff --git a/drivers/media/video/em28xx/em28xx-video.c b/drivers/media/video/em28xx/em28xx-video.c index 416b691..8e61b2c 100644 --- a/drivers/media/video/em28xx/em28xx-video.c +++ b/drivers/media/video/em28xx/em28xx-video.c @@ -886,10 +886,10 @@ static int vidioc_s_input(struct file *file, void *priv, unsigned int i) if (0 == INPUT(i)->type) return -EINVAL; - mutex_lock(&dev->lock); - - video_mux(dev, i); + dev->ctl_input = i; + mutex_lock(&dev->lock); + video_mux(dev, dev->ctl_input); mutex_unlock(&dev->lock); return 0; } @@ -939,6 +939,12 @@ static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a) struct em28xx_fh *fh = priv; struct em28xx *dev = fh->dev; + + if (a->index >= MAX_EM28XX_INPUT) + return -EINVAL; + if (0 == INPUT(a->index)->type) + return -EINVAL; + mutex_lock(&dev->lock); dev->ctl_ainput = INPUT(a->index)->amux; @@ -1950,6 +1956,7 @@ static struct video_device *em28xx_vdev_init(struct em28xx *dev, int em28xx_register_analog_devices(struct em28xx *dev) { + u8 val; int ret; printk(KERN_INFO "%s: v4l2 driver version %d.%d.%d\n", @@ -1957,34 +1964,34 @@ int em28xx_register_analog_devices(struct em28xx *dev) (EM28XX_VERSION_CODE >> 16) & 0xff, (EM28XX_VERSION_CODE >> 8) & 0xff, EM28XX_VERSION_CODE & 0xff); + /* set default norm */ + dev->norm = em28xx_video_template.current_norm; + dev->width = norm_maxw(dev); + dev->height = norm_maxh(dev); + dev->interlaced = EM28XX_INTERLACED_DEFAULT; + dev->hscale = 0; + dev->vscale = 0; + dev->ctl_input = 0; + /* Analog specific initialization */ dev->format = &format[0]; - video_mux(dev, 0); + video_mux(dev, dev->ctl_input); + + /* Audio defaults */ + dev->mute = 1; + dev->volume = 0x1f; /* enable vbi capturing */ /* em28xx_write_reg(dev, EM28XX_R0E_AUDIOSRC, 0xc0); audio register */ -/* em28xx_write_reg(dev, EM28XX_R0F_XCLK, 0x80); clk register */ + val = (u8)em28xx_read_reg(dev, EM28XX_R0F_XCLK); + em28xx_write_reg(dev, EM28XX_R0F_XCLK, (EM28XX_XCLK_AUDIO_UNMUTE | val)); em28xx_write_reg(dev, EM28XX_R11_VINCTRL, 0x51); - dev->mute = 1; /* maybe not the right place... */ - dev->volume = 0x1f; - em28xx_set_outfmt(dev); em28xx_colorlevels_set_default(dev); em28xx_compression_disable(dev); - /* set default norm */ - dev->norm = em28xx_video_template.current_norm; - dev->width = norm_maxw(dev); - dev->height = norm_maxh(dev); - dev->interlaced = EM28XX_INTERLACED_DEFAULT; - dev->hscale = 0; - dev->vscale = 0; - - /* FIXME: This is a very bad hack! Not all devices have TV on input 2 */ - dev->ctl_input = 2; - /* allocate and fill video video_device struct */ dev->vdev = em28xx_vdev_init(dev, &em28xx_video_template, "video"); if (!dev->vdev) { diff --git a/drivers/media/video/em28xx/em28xx.h b/drivers/media/video/em28xx/em28xx.h index 6c6b94a..dd2cd36 100644 --- a/drivers/media/video/em28xx/em28xx.h +++ b/drivers/media/video/em28xx/em28xx.h @@ -94,7 +94,7 @@ #define EM2882_BOARD_KWORLD_VS_DVBT 54 #define EM2882_BOARD_TERRATEC_HYBRID_XS 55 #define EM2882_BOARD_PINNACLE_HYBRID_PRO 56 -#define EM2883_BOARD_KWORLD_HYBRID_A316 57 +#define EM2883_BOARD_KWORLD_HYBRID_330U 57 #define EM2820_BOARD_COMPRO_VIDEOMATE_FORYOU 58 #define EM2883_BOARD_HAUPPAUGE_WINTV_HVR_850 60 #define EM2820_BOARD_PROLINK_PLAYTV_BOX4_USB2 61 @@ -300,13 +300,32 @@ enum em28xx_amux { }; enum em28xx_aout { + /* AC97 outputs */ EM28XX_AOUT_MASTER = 1 << 0, EM28XX_AOUT_LINE = 1 << 1, EM28XX_AOUT_MONO = 1 << 2, EM28XX_AOUT_LFE = 1 << 3, EM28XX_AOUT_SURR = 1 << 4, + + /* PCM IN Mixer - used by AC97_RECORD_SELECT register */ + EM28XX_AOUT_PCM_IN = 1 << 7, + + /* Bits 10-8 are used to indicate the PCM IN record select */ + EM28XX_AOUT_PCM_MIC_PCM = 0 << 8, + EM28XX_AOUT_PCM_CD = 1 << 8, + EM28XX_AOUT_PCM_VIDEO = 2 << 8, + EM28XX_AOUT_PCM_AUX = 3 << 8, + EM28XX_AOUT_PCM_LINE = 4 << 8, + EM28XX_AOUT_PCM_STEREO = 5 << 8, + EM28XX_AOUT_PCM_MONO = 6 << 8, + EM28XX_AOUT_PCM_PHONE = 7 << 8, }; +static inline int ac97_return_record_select(int a_out) +{ + return (a_out & 0x700) >> 8; +} + struct em28xx_reg_seq { int reg; unsigned char val, mask; diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index 5e36b9a..2ed2452 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -423,7 +423,8 @@ static void destroy_urbs(struct gspca_dev *gspca_dev) break; gspca_dev->urb[i] = NULL; - usb_kill_urb(urb); + if (!gspca_dev->present) + usb_kill_urb(urb); if (urb->transfer_buffer != NULL) usb_buffer_free(gspca_dev->dev, urb->transfer_buffer_length, @@ -1950,7 +1951,6 @@ void gspca_disconnect(struct usb_interface *intf) struct gspca_dev *gspca_dev = usb_get_intfdata(intf); gspca_dev->present = 0; - gspca_dev->streaming = 0; usb_set_intfdata(intf, NULL); diff --git a/drivers/media/video/ivtv/ivtv-driver.c b/drivers/media/video/ivtv/ivtv-driver.c index e8e5921..c46c990 100644 --- a/drivers/media/video/ivtv/ivtv-driver.c +++ b/drivers/media/video/ivtv/ivtv-driver.c @@ -949,8 +949,10 @@ static int __devinit ivtv_probe(struct pci_dev *dev, itv->instance = atomic_inc_return(&ivtv_instance) - 1; retval = v4l2_device_register(&dev->dev, &itv->device); - if (retval) + if (retval) { + kfree(itv); return retval; + } /* "ivtv + PCI ID" is a bit of a mouthful, so use "ivtv + instance" instead. */ snprintf(itv->device.name, sizeof(itv->device.name), diff --git a/drivers/media/video/pwc/pwc-if.c b/drivers/media/video/pwc/pwc-if.c index 39fbc97..0d81018 100644 --- a/drivers/media/video/pwc/pwc-if.c +++ b/drivers/media/video/pwc/pwc-if.c @@ -62,7 +62,6 @@ #include <linux/poll.h> #include <linux/slab.h> #include <linux/vmalloc.h> -#include <linux/version.h> #include <asm/io.h> #include "pwc.h" diff --git a/drivers/media/video/saa7127.c b/drivers/media/video/saa7127.c index d6848f7..05221d4 100644 --- a/drivers/media/video/saa7127.c +++ b/drivers/media/video/saa7127.c @@ -149,7 +149,7 @@ static const struct i2c_reg_value saa7127_init_config_common[] = { { SAA7127_REG_COPYGEN_0, 0x77 }, { SAA7127_REG_COPYGEN_1, 0x41 }, { SAA7127_REG_COPYGEN_2, 0x00 }, /* Macrovision enable/disable */ - { SAA7127_REG_OUTPUT_PORT_CONTROL, 0x9e }, + { SAA7127_REG_OUTPUT_PORT_CONTROL, 0xbf }, { SAA7127_REG_GAIN_LUMINANCE_RGB, 0x00 }, { SAA7127_REG_GAIN_COLORDIFF_RGB, 0x00 }, { SAA7127_REG_INPUT_PORT_CONTROL_1, 0x80 }, /* for color bars */ @@ -488,12 +488,18 @@ static int saa7127_set_output_type(struct v4l2_subdev *sd, int output) break; case SAA7127_OUTPUT_TYPE_COMPOSITE: - state->reg_2d = 0x08; /* 00001000 CVBS only, RGB DAC's off (high impedance mode) */ + if (state->ident == V4L2_IDENT_SAA7129) + state->reg_2d = 0x20; /* CVBS only */ + else + state->reg_2d = 0x08; /* 00001000 CVBS only, RGB DAC's off (high impedance mode) */ state->reg_3a = 0x13; /* by default switch YUV to RGB-matrix on */ break; case SAA7127_OUTPUT_TYPE_SVIDEO: - state->reg_2d = 0xff; /* 11111111 croma -> R, luma -> CVBS + G + B */ + if (state->ident == V4L2_IDENT_SAA7129) + state->reg_2d = 0x18; /* Y + C */ + else + state->reg_2d = 0xff; /*11111111 croma -> R, luma -> CVBS + G + B */ state->reg_3a = 0x13; /* by default switch YUV to RGB-matrix on */ break; @@ -508,7 +514,10 @@ static int saa7127_set_output_type(struct v4l2_subdev *sd, int output) break; case SAA7127_OUTPUT_TYPE_BOTH: - state->reg_2d = 0xbf; + if (state->ident == V4L2_IDENT_SAA7129) + state->reg_2d = 0x38; + else + state->reg_2d = 0xbf; state->reg_3a = 0x13; /* by default switch YUV to RGB-matrix on */ break; @@ -731,24 +740,6 @@ static int saa7127_probe(struct i2c_client *client, return -ENODEV; } - /* Configure Encoder */ - - v4l2_dbg(1, debug, sd, "Configuring encoder\n"); - saa7127_write_inittab(sd, saa7127_init_config_common); - saa7127_set_std(sd, V4L2_STD_NTSC); - saa7127_set_output_type(sd, SAA7127_OUTPUT_TYPE_BOTH); - saa7127_set_vps(sd, &vbi); - saa7127_set_wss(sd, &vbi); - saa7127_set_cc(sd, &vbi); - saa7127_set_xds(sd, &vbi); - if (test_image == 1) - /* The Encoder has an internal Colorbar generator */ - /* This can be used for debugging */ - saa7127_set_input_type(sd, SAA7127_INPUT_TYPE_TEST_IMAGE); - else - saa7127_set_input_type(sd, SAA7127_INPUT_TYPE_NORMAL); - saa7127_set_video_enable(sd, 1); - if (id->driver_data) { /* Chip type is already known */ state->ident = id->driver_data; } else { /* Needs detection */ @@ -770,6 +761,23 @@ static int saa7127_probe(struct i2c_client *client, v4l2_info(sd, "%s found @ 0x%x (%s)\n", client->name, client->addr << 1, client->adapter->name); + + v4l2_dbg(1, debug, sd, "Configuring encoder\n"); + saa7127_write_inittab(sd, saa7127_init_config_common); + saa7127_set_std(sd, V4L2_STD_NTSC); + saa7127_set_output_type(sd, SAA7127_OUTPUT_TYPE_BOTH); + saa7127_set_vps(sd, &vbi); + saa7127_set_wss(sd, &vbi); + saa7127_set_cc(sd, &vbi); + saa7127_set_xds(sd, &vbi); + if (test_image == 1) + /* The Encoder has an internal Colorbar generator */ + /* This can be used for debugging */ + saa7127_set_input_type(sd, SAA7127_INPUT_TYPE_TEST_IMAGE); + else + saa7127_set_input_type(sd, SAA7127_INPUT_TYPE_NORMAL); + saa7127_set_video_enable(sd, 1); + if (state->ident == V4L2_IDENT_SAA7129) saa7127_write_inittab(sd, saa7129_init_config_extra); return 0; diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c index 26194a0..c750d3d 100644 --- a/drivers/media/video/saa7134/saa7134-alsa.c +++ b/drivers/media/video/saa7134/saa7134-alsa.c @@ -1089,7 +1089,11 @@ static int saa7134_alsa_init(void) list_for_each(list,&saa7134_devlist) { dev = list_entry(list, struct saa7134_dev, devlist); - alsa_device_init(dev); + if (dev->pci->device == PCI_DEVICE_ID_PHILIPS_SAA7130) + printk(KERN_INFO "%s/alsa: %s doesn't support digital audio\n", + dev->name, saa7134_boards[dev->board].name); + else + alsa_device_init(dev); } if (dev == NULL) diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index dfbe08a..99221d7 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -660,6 +660,10 @@ static int saa7134_hwinit1(struct saa7134_dev *dev) saa_writel(SAA7134_IRQ1, 0); saa_writel(SAA7134_IRQ2, 0); + + /* Clear any stale IRQ reports */ + saa_writel(SAA7134_IRQ_REPORT, saa_readl(SAA7134_IRQ_REPORT)); + mutex_init(&dev->lock); spin_lock_init(&dev->slock); diff --git a/drivers/media/video/saa717x.c b/drivers/media/video/saa717x.c index 454ad1d..88c5e94 100644 --- a/drivers/media/video/saa717x.c +++ b/drivers/media/video/saa717x.c @@ -30,7 +30,6 @@ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ -#include <linux/version.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/sched.h> diff --git a/drivers/media/video/tda9875.c b/drivers/media/video/tda9875.c index 56f0c0e..00c6cbe 100644 --- a/drivers/media/video/tda9875.c +++ b/drivers/media/video/tda9875.c @@ -242,7 +242,7 @@ static int tda9875_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) static int tda9875_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl) { struct tda9875 *t = to_state(sd); - int chvol=0, volume, balance, left, right; + int chvol = 0, volume = 0, balance = 0, left, right; switch (ctrl->id) { case V4L2_CID_AUDIO_VOLUME: diff --git a/drivers/media/video/tveeprom.c b/drivers/media/video/tveeprom.c index 3b0b84c..78277ab 100644 --- a/drivers/media/video/tveeprom.c +++ b/drivers/media/video/tveeprom.c @@ -427,6 +427,9 @@ void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee, const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" }; memset(tvee, 0, sizeof(*tvee)); + tvee->tuner_type = TUNER_ABSENT; + tvee->tuner2_type = TUNER_ABSENT; + done = len = beenhere = 0; /* Different eeprom start offsets for em28xx, cx2388x and cx23418 */ diff --git a/drivers/media/video/tvp514x.c b/drivers/media/video/tvp514x.c index ac9aa40..8e23aa5 100644 --- a/drivers/media/video/tvp514x.c +++ b/drivers/media/video/tvp514x.c @@ -1401,7 +1401,7 @@ tvp514x_probe(struct i2c_client *client, const struct i2c_device_id *id) decoder->pdata = client->dev.platform_data; if (!decoder->pdata) { - v4l_err(client, "No platform data\n!!"); + v4l_err(client, "No platform data!!\n"); return -ENODEV; } /* diff --git a/drivers/media/video/upd64031a.c b/drivers/media/video/upd64031a.c index 4f16eff..f4522bb 100644 --- a/drivers/media/video/upd64031a.c +++ b/drivers/media/video/upd64031a.c @@ -21,7 +21,6 @@ */ -#include <linux/version.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/i2c.h> diff --git a/drivers/media/video/upd64083.c b/drivers/media/video/upd64083.c index 4b712f6..a5fb74b 100644 --- a/drivers/media/video/upd64083.c +++ b/drivers/media/video/upd64083.c @@ -21,7 +21,6 @@ * 02110-1301, USA. */ -#include <linux/version.h> #include <linux/module.h> #include <linux/kernel.h> #include <linux/i2c.h> diff --git a/drivers/media/video/usbvision/usbvision-i2c.c b/drivers/media/video/usbvision/usbvision-i2c.c index 9907b9a..6b66ae4 100644 --- a/drivers/media/video/usbvision/usbvision-i2c.c +++ b/drivers/media/video/usbvision/usbvision-i2c.c @@ -157,7 +157,7 @@ usbvision_i2c_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msgs[], int num) struct i2c_msg *pmsg; struct usb_usbvision *usbvision; int i, ret; - unsigned char addr; + unsigned char addr = 0; usbvision = (struct usb_usbvision *)i2c_get_adapdata(i2c_adap); diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index 2208165..d2576f6 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -1,7 +1,7 @@ /* * uvc_ctrl.c -- USB Video Class driver - Controls * - * Copyright (C) 2005-2008 + * Copyright (C) 2005-2009 * Laurent Pinchart (laurent.pinchart@skynet.be) * * This program is free software; you can redistribute it and/or modify @@ -12,7 +12,6 @@ */ #include <linux/kernel.h> -#include <linux/version.h> #include <linux/list.h> #include <linux/module.h> #include <linux/uaccess.h> @@ -29,7 +28,7 @@ #define UVC_CTRL_DATA_BACKUP 1 /* ------------------------------------------------------------------------ - * Control, formats, ... + * Controls */ static struct uvc_control_info uvc_ctrls[] = { @@ -635,7 +634,7 @@ static __s32 uvc_get_le_value(struct uvc_control_mapping *mapping, mask = (1 << bits) - 1; } - /* Sign-extend the value if needed */ + /* Sign-extend the value if needed. */ if (mapping->data_type == UVC_CTRL_DATA_TYPE_SIGNED) value |= -(value & (1 << (mapping->size - 1))); diff --git a/drivers/media/video/uvc/uvc_driver.c b/drivers/media/video/uvc/uvc_driver.c index 89d8bd1..b128732 100644 --- a/drivers/media/video/uvc/uvc_driver.c +++ b/drivers/media/video/uvc/uvc_driver.c @@ -1,7 +1,7 @@ /* * uvc_driver.c -- USB Video Class driver * - * Copyright (C) 2005-2008 + * Copyright (C) 2005-2009 * Laurent Pinchart (laurent.pinchart@skynet.be) * * This program is free software; you can redistribute it and/or modify @@ -24,7 +24,6 @@ */ #include <linux/kernel.h> -#include <linux/version.h> #include <linux/list.h> #include <linux/module.h> #include <linux/usb.h> @@ -49,7 +48,7 @@ static unsigned int uvc_quirks_param; unsigned int uvc_trace_param; /* ------------------------------------------------------------------------ - * Control, formats, ... + * Video formats */ static struct uvc_format_desc uvc_fmts[] = { @@ -474,7 +473,7 @@ static int uvc_parse_format(struct uvc_device *dev, /* Several UVC chipsets screw up dwMaxVideoFrameBufferSize * completely. Observed behaviours range from setting the - * value to 1.1x the actual frame size of hardwiring the + * value to 1.1x the actual frame size to hardwiring the * 16 low bits to 0. This results in a higher than necessary * memory usage as well as a wrong image size information. For * uncompressed formats this can be fixed by computing the @@ -487,7 +486,7 @@ static int uvc_parse_format(struct uvc_device *dev, /* Some bogus devices report dwMinFrameInterval equal to * dwMaxFrameInterval and have dwFrameIntervalStep set to * zero. Setting all null intervals to 1 fixes the problem and - * some other divisions by zero which could happen. + * some other divisions by zero that could happen. */ for (i = 0; i < n; ++i) { interval = get_unaligned_le32(&buffer[26+4*i]); @@ -1200,13 +1199,13 @@ static void uvc_unregister_video(struct uvc_device *dev) * Scan the UVC descriptors to locate a chain starting at an Output Terminal * and containing the following units: * - * - a USB Streaming Output Terminal + * - one Output Terminal (USB Streaming or Display) * - zero or one Processing Unit * - zero, one or mode single-input Selector Units * - zero or one multiple-input Selector Units, provided all inputs are * connected to input terminals * - zero, one or mode single-input Extension Units - * - one Camera Input Terminal, or one or more External terminals. + * - one or more Input Terminals (Camera, External or USB Streaming) * * A side forward scan is made on each detected entity to check for additional * extension units. @@ -1531,10 +1530,6 @@ static int uvc_register_video(struct uvc_device *dev) /* Set the driver data before calling video_register_device, otherwise * uvc_v4l2_open might race us. - * - * FIXME: usb_set_intfdata hasn't been called so far. Is that a - * problem ? Does any function which could be called here get - * a pointer to the usb_interface ? */ dev->video.vdev = vdev; video_set_drvdata(vdev, &dev->video); @@ -1569,7 +1564,7 @@ void uvc_delete(struct kref *kref) struct uvc_device *dev = container_of(kref, struct uvc_device, kref); struct list_head *p, *n; - /* Unregister the video device */ + /* Unregister the video device. */ uvc_unregister_video(dev); usb_put_intf(dev->intf); usb_put_dev(dev->udev); @@ -1612,7 +1607,7 @@ static int uvc_probe(struct usb_interface *intf, uvc_trace(UVC_TRACE_PROBE, "Probing generic UVC device %s\n", udev->devpath); - /* Allocate memory for the device and initialize it */ + /* Allocate memory for the device and initialize it. */ if ((dev = kzalloc(sizeof *dev, GFP_KERNEL)) == NULL) return -ENOMEM; @@ -1633,14 +1628,14 @@ static int uvc_probe(struct usb_interface *intf, le16_to_cpu(udev->descriptor.idVendor), le16_to_cpu(udev->descriptor.idProduct)); - /* Parse the Video Class control descriptor */ + /* Parse the Video Class control descriptor. */ if (uvc_parse_control(dev) < 0) { uvc_trace(UVC_TRACE_PROBE, "Unable to parse UVC " "descriptors.\n"); goto error; } - uvc_printk(KERN_INFO, "Found UVC %u.%02u device %s (%04x:%04x)\n", + uvc_printk(KERN_INFO, "Found UVC %u.%02x device %s (%04x:%04x)\n", dev->uvc_version >> 8, dev->uvc_version & 0xff, udev->product ? udev->product : "<unnamed>", le16_to_cpu(udev->descriptor.idVendor), @@ -1653,18 +1648,18 @@ static int uvc_probe(struct usb_interface *intf, "linux-uvc-devel mailing list.\n"); } - /* Initialize controls */ + /* Initialize controls. */ if (uvc_ctrl_init_device(dev) < 0) goto error; - /* Register the video devices */ + /* Register the video devices. */ if (uvc_register_video(dev) < 0) goto error; - /* Save our data pointer in the interface data */ + /* Save our data pointer in the interface data. */ usb_set_intfdata(intf, dev); - /* Initialize the interrupt URB */ + /* Initialize the interrupt URB. */ if ((ret = uvc_status_init(dev)) < 0) { uvc_printk(KERN_INFO, "Unable to initialize the status " "endpoint (%d), status interrupt will not be " @@ -1839,24 +1834,24 @@ static struct usb_device_id uvc_ids[] = { .bInterfaceSubClass = 1, .bInterfaceProtocol = 0 }, /* Apple Built-In iSight */ - { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, .idVendor = 0x05ac, .idProduct = 0x8501, - .bInterfaceClass = USB_CLASS_VIDEO, - .bInterfaceSubClass = 1, - .bInterfaceProtocol = 0, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, .driver_info = UVC_QUIRK_PROBE_MINMAX | UVC_QUIRK_BUILTIN_ISIGHT }, /* Genesys Logic USB 2.0 PC Camera */ - { .match_flags = USB_DEVICE_ID_MATCH_DEVICE + { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, - .idVendor = 0x05e3, - .idProduct = 0x0505, - .bInterfaceClass = USB_CLASS_VIDEO, - .bInterfaceSubClass = 1, - .bInterfaceProtocol = 0, - .driver_info = UVC_QUIRK_STREAM_NO_FID }, + .idVendor = 0x05e3, + .idProduct = 0x0505, + .bInterfaceClass = USB_CLASS_VIDEO, + .bInterfaceSubClass = 1, + .bInterfaceProtocol = 0, + .driver_info = UVC_QUIRK_STREAM_NO_FID }, /* MT6227 */ { .match_flags = USB_DEVICE_ID_MATCH_DEVICE | USB_DEVICE_ID_MATCH_INT_INFO, diff --git a/drivers/media/video/uvc/uvc_isight.c b/drivers/media/video/uvc/uvc_isight.c index 37bdefd..436f462 100644 --- a/drivers/media/video/uvc/uvc_isight.c +++ b/drivers/media/video/uvc/uvc_isight.c @@ -3,6 +3,8 @@ * * Copyright (C) 2006-2007 * Ivan N. Zlatev <contact@i-nz.net> + * Copyright (C) 2008-2009 + * Laurent Pinchart <laurent.pinchart@skynet.be> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/media/video/uvc/uvc_queue.c b/drivers/media/video/uvc/uvc_queue.c index 4254634..0155752 100644 --- a/drivers/media/video/uvc/uvc_queue.c +++ b/drivers/media/video/uvc/uvc_queue.c @@ -1,7 +1,7 @@ /* * uvc_queue.c -- USB Video Class driver - Buffers management * - * Copyright (C) 2005-2008 + * Copyright (C) 2005-2009 * Laurent Pinchart (laurent.pinchart@skynet.be) * * This program is free software; you can redistribute it and/or modify @@ -12,7 +12,6 @@ */ #include <linux/kernel.h> -#include <linux/version.h> #include <linux/mm.h> #include <linux/list.h> #include <linux/module.h> @@ -37,22 +36,22 @@ * to user space will return -EBUSY. * * Video buffers are managed using two queues. However, unlike most USB video - * drivers which use an in queue and an out queue, we use a main queue which - * holds all queued buffers (both 'empty' and 'done' buffers), and an irq - * queue which holds empty buffers. This design (copied from video-buf) - * minimizes locking in interrupt, as only one queue is shared between - * interrupt and user contexts. + * drivers that use an in queue and an out queue, we use a main queue to hold + * all queued buffers (both 'empty' and 'done' buffers), and an irq queue to + * hold empty buffers. This design (copied from video-buf) minimizes locking + * in interrupt, as only one queue is shared between interrupt and user + * contexts. * * Use cases * --------- * - * Unless stated otherwise, all operations which modify the irq buffers queue + * Unless stated otherwise, all operations that modify the irq buffers queue * are protected by the irq spinlock. * * 1. The user queues the buffers, starts streaming and dequeues a buffer. * * The buffers are added to the main and irq queues. Both operations are - * protected by the queue lock, and the latert is protected by the irq + * protected by the queue lock, and the later is protected by the irq * spinlock as well. * * The completion handler fetches a buffer from the irq queue and fills it @@ -60,7 +59,7 @@ * returns immediately. * * When the buffer is full, the completion handler removes it from the irq - * queue, marks it as ready (UVC_BUF_STATE_DONE) and wake its wait queue. + * queue, marks it as ready (UVC_BUF_STATE_DONE) and wakes its wait queue. * At that point, any process waiting on the buffer will be woken up. If a * process tries to dequeue a buffer after it has been marked ready, the * dequeing will succeed immediately. @@ -91,8 +90,8 @@ void uvc_queue_init(struct uvc_video_queue *queue, enum v4l2_buf_type type) /* * Allocate the video buffers. * - * Pages are reserved to make sure they will not be swaped, as they will be - * filled in URB completion handler. + * Pages are reserved to make sure they will not be swapped, as they will be + * filled in the URB completion handler. * * Buffers will be individually mapped, so they must all be page aligned. */ @@ -210,8 +209,8 @@ int uvc_query_buffer(struct uvc_video_queue *queue, __uvc_query_buffer(&queue->buffer[v4l2_buf->index], v4l2_buf); done: - mutex_unlock(&queue->mutex); - return ret; + mutex_unlock(&queue->mutex); + return ret; } /* @@ -236,7 +235,7 @@ int uvc_queue_buffer(struct uvc_video_queue *queue, } mutex_lock(&queue->mutex); - if (v4l2_buf->index >= queue->count) { + if (v4l2_buf->index >= queue->count) { uvc_trace(UVC_TRACE_CAPTURE, "[E] Out of range index.\n"); ret = -EINVAL; goto done; @@ -429,7 +428,7 @@ done: * Cancel the video buffers queue. * * Cancelling the queue marks all buffers on the irq queue as erroneous, - * wakes them up and remove them from the queue. + * wakes them up and removes them from the queue. * * If the disconnect parameter is set, further calls to uvc_queue_buffer will * fail with -ENODEV. diff --git a/drivers/media/video/uvc/uvc_status.c b/drivers/media/video/uvc/uvc_status.c index 5d60b26..c1e4ae2 100644 --- a/drivers/media/video/uvc/uvc_status.c +++ b/drivers/media/video/uvc/uvc_status.c @@ -1,7 +1,7 @@ /* * uvc_status.c -- USB Video Class driver - Status endpoint * - * Copyright (C) 2007-2008 + * Copyright (C) 2007-2009 * Laurent Pinchart (laurent.pinchart@skynet.be) * * This program is free software; you can redistribute it and/or modify @@ -12,7 +12,6 @@ */ #include <linux/kernel.h> -#include <linux/version.h> #include <linux/input.h> #include <linux/usb.h> #include <linux/usb/input.h> diff --git a/drivers/media/video/uvc/uvc_v4l2.c b/drivers/media/video/uvc/uvc_v4l2.c index fa150ff..d681519 100644 --- a/drivers/media/video/uvc/uvc_v4l2.c +++ b/drivers/media/video/uvc/uvc_v4l2.c @@ -1,7 +1,7 @@ /* * uvc_v4l2.c -- USB Video Class driver - V4L2 API * - * Copyright (C) 2005-2008 + * Copyright (C) 2005-2009 * Laurent Pinchart (laurent.pinchart@skynet.be) * * This program is free software; you can redistribute it and/or modify @@ -37,7 +37,7 @@ * must be grouped (for instance the Red Balance, Blue Balance and Do White * Balance V4L2 controls use the White Balance Component UVC control) or * otherwise translated. The approach we take here is to use a translation - * table for the controls which can be mapped directly, and handle the others + * table for the controls that can be mapped directly, and handle the others * manually. */ static int uvc_v4l2_query_menu(struct uvc_video_device *video, @@ -189,7 +189,7 @@ static int uvc_v4l2_try_format(struct uvc_video_device *video, probe->dwMaxVideoFrameSize = video->streaming->ctrl.dwMaxVideoFrameSize; - /* Probe the device */ + /* Probe the device. */ if ((ret = uvc_probe_video(video, probe)) < 0) goto done; @@ -354,11 +354,11 @@ static int uvc_v4l2_set_streamparm(struct uvc_video_device *video, * * Each open instance of a UVC device can either be in a privileged or * unprivileged state. Only a single instance can be in a privileged state at - * a given time. Trying to perform an operation which requires privileges will + * a given time. Trying to perform an operation that requires privileges will * automatically acquire the required privileges if possible, or return -EBUSY * otherwise. Privileges are dismissed when closing the instance. * - * Operations which require privileges are: + * Operations that require privileges are: * * - VIDIOC_S_INPUT * - VIDIOC_S_PARM diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index e7c3199..9bc4705 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -1,7 +1,7 @@ /* * uvc_video.c -- USB Video Class driver - Video handling * - * Copyright (C) 2005-2008 + * Copyright (C) 2005-2009 * Laurent Pinchart (laurent.pinchart@skynet.be) * * This program is free software; you can redistribute it and/or modify @@ -12,7 +12,6 @@ */ #include <linux/kernel.h> -#include <linux/version.h> #include <linux/list.h> #include <linux/module.h> #include <linux/usb.h> @@ -115,7 +114,7 @@ static int uvc_get_video_ctrl(struct uvc_video_device *video, ctrl->wCompQuality = le16_to_cpup((__le16 *)data); ret = 0; goto out; - } else if (query == GET_DEF && probe == 1) { + } else if (query == GET_DEF && probe == 1 && ret != size) { /* Many cameras don't support the GET_DEF request on their * video probe control. Warn once and return, the caller will * fall back to GET_CUR. @@ -160,7 +159,7 @@ static int uvc_get_video_ctrl(struct uvc_video_device *video, } /* Some broken devices return a null or wrong dwMaxVideoFrameSize. - * Try to get the value from the format and frame descriptor. + * Try to get the value from the format and frame descriptors. */ uvc_fixup_buffer_size(video, ctrl); ret = 0; @@ -191,9 +190,6 @@ static int uvc_set_video_ctrl(struct uvc_video_device *video, *(__le16 *)&data[12] = cpu_to_le16(ctrl->wCompQuality); *(__le16 *)&data[14] = cpu_to_le16(ctrl->wCompWindowSize); *(__le16 *)&data[16] = cpu_to_le16(ctrl->wDelay); - /* Note: Some of the fields below are not required for IN devices (see - * UVC spec, 4.3.1.1), but we still copy them in case support for OUT - * devices is added in the future. */ put_unaligned_le32(ctrl->dwMaxVideoFrameSize, &data[18]); put_unaligned_le32(ctrl->dwMaxPayloadTransferSize, &data[22]); @@ -400,7 +396,7 @@ static int uvc_video_decode_start(struct uvc_video_device *video, * * Empty buffers (bytesused == 0) don't trigger end of frame detection * as it doesn't make sense to return an empty buffer. This also - * avoids detecting and of frame conditions at FID toggling if the + * avoids detecting end of frame conditions at FID toggling if the * previous payload had the EOF bit set. */ if (fid != video->last_fid && buf->buf.bytesused != 0) { @@ -453,6 +449,17 @@ static void uvc_video_decode_end(struct uvc_video_device *video, } } +/* Video payload encoding is handled by uvc_video_encode_header() and + * uvc_video_encode_data(). Only bulk transfers are currently supported. + * + * uvc_video_encode_header is called at the start of a payload. It adds header + * data to the transfer buffer and returns the header size. As the only known + * UVC output device transfers a whole frame in a single payload, the EOF bit + * is always set in the header. + * + * uvc_video_encode_data is called for every URB and copies the data from the + * video buffer to the transfer buffer. + */ static int uvc_video_encode_header(struct uvc_video_device *video, struct uvc_buffer *buf, __u8 *data, int len) { @@ -953,7 +960,7 @@ int uvc_video_suspend(struct uvc_video_device *video) } /* - * Reconfigure the video interface and restart streaming if it was enable + * Reconfigure the video interface and restart streaming if it was enabled * before suspend. * * If an error occurs, disable the video queue. This will wake all pending @@ -985,8 +992,8 @@ int uvc_video_resume(struct uvc_video_device *video) */ /* - * Initialize the UVC video device by retrieving the default format and - * committing it. + * Initialize the UVC video device by switching to alternate setting 0 and + * retrieve the default format. * * Some cameras (namely the Fuji Finepix) set the format and frame * indexes to zero. The UVC standard doesn't clearly make this a spec @@ -1014,7 +1021,7 @@ int uvc_video_init(struct uvc_video_device *video) */ usb_set_interface(video->dev->udev, video->streaming->intfnum, 0); - /* Some webcams don't suport GET_DEF request on the probe control. We + /* Some webcams don't suport GET_DEF requests on the probe control. We * fall back to GET_CUR if GET_DEF fails. */ if ((ret = uvc_get_video_ctrl(video, probe, 1, GET_DEF)) < 0 && diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index bcf4361..027947e 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -72,149 +72,149 @@ struct uvc_xu_control { * UVC constants */ -#define SC_UNDEFINED 0x00 -#define SC_VIDEOCONTROL 0x01 -#define SC_VIDEOSTREAMING 0x02 -#define SC_VIDEO_INTERFACE_COLLECTION 0x03 +#define SC_UNDEFINED 0x00 +#define SC_VIDEOCONTROL 0x01 +#define SC_VIDEOSTREAMING 0x02 +#define SC_VIDEO_INTERFACE_COLLECTION 0x03 -#define PC_PROTOCOL_UNDEFINED 0x00 +#define PC_PROTOCOL_UNDEFINED 0x00 -#define CS_UNDEFINED 0x20 -#define CS_DEVICE 0x21 -#define CS_CONFIGURATION 0x22 -#define CS_STRING 0x23 -#define CS_INTERFACE 0x24 -#define CS_ENDPOINT 0x25 +#define CS_UNDEFINED 0x20 +#define CS_DEVICE 0x21 +#define CS_CONFIGURATION 0x22 +#define CS_STRING 0x23 +#define CS_INTERFACE 0x24 +#define CS_ENDPOINT 0x25 /* VideoControl class specific interface descriptor */ -#define VC_DESCRIPTOR_UNDEFINED 0x00 -#define VC_HEADER 0x01 -#define VC_INPUT_TERMINAL 0x02 -#define VC_OUTPUT_TERMINAL 0x03 -#define VC_SELECTOR_UNIT 0x04 -#define VC_PROCESSING_UNIT 0x05 -#define VC_EXTENSION_UNIT 0x06 +#define VC_DESCRIPTOR_UNDEFINED 0x00 +#define VC_HEADER 0x01 +#define VC_INPUT_TERMINAL 0x02 +#define VC_OUTPUT_TERMINAL 0x03 +#define VC_SELECTOR_UNIT 0x04 +#define VC_PROCESSING_UNIT 0x05 +#define VC_EXTENSION_UNIT 0x06 /* VideoStreaming class specific interface descriptor */ -#define VS_UNDEFINED 0x00 -#define VS_INPUT_HEADER 0x01 -#define VS_OUTPUT_HEADER 0x02 -#define VS_STILL_IMAGE_FRAME 0x03 -#define VS_FORMAT_UNCOMPRESSED 0x04 -#define VS_FRAME_UNCOMPRESSED 0x05 -#define VS_FORMAT_MJPEG 0x06 -#define VS_FRAME_MJPEG 0x07 -#define VS_FORMAT_MPEG2TS 0x0a -#define VS_FORMAT_DV 0x0c -#define VS_COLORFORMAT 0x0d -#define VS_FORMAT_FRAME_BASED 0x10 -#define VS_FRAME_FRAME_BASED 0x11 -#define VS_FORMAT_STREAM_BASED 0x12 +#define VS_UNDEFINED 0x00 +#define VS_INPUT_HEADER 0x01 +#define VS_OUTPUT_HEADER 0x02 +#define VS_STILL_IMAGE_FRAME 0x03 +#define VS_FORMAT_UNCOMPRESSED 0x04 +#define VS_FRAME_UNCOMPRESSED 0x05 +#define VS_FORMAT_MJPEG 0x06 +#define VS_FRAME_MJPEG 0x07 +#define VS_FORMAT_MPEG2TS 0x0a +#define VS_FORMAT_DV 0x0c +#define VS_COLORFORMAT 0x0d +#define VS_FORMAT_FRAME_BASED 0x10 +#define VS_FRAME_FRAME_BASED 0x11 +#define VS_FORMAT_STREAM_BASED 0x12 /* Endpoint type */ -#define EP_UNDEFINED 0x00 -#define EP_GENERAL 0x01 -#define EP_ENDPOINT 0x02 -#define EP_INTERRUPT 0x03 +#define EP_UNDEFINED 0x00 +#define EP_GENERAL 0x01 +#define EP_ENDPOINT 0x02 +#define EP_INTERRUPT 0x03 /* Request codes */ -#define RC_UNDEFINED 0x00 -#define SET_CUR 0x01 -#define GET_CUR 0x81 -#define GET_MIN 0x82 -#define GET_MAX 0x83 -#define GET_RES 0x84 -#define GET_LEN 0x85 -#define GET_INFO 0x86 -#define GET_DEF 0x87 +#define RC_UNDEFINED 0x00 +#define SET_CUR 0x01 +#define GET_CUR 0x81 +#define GET_MIN 0x82 +#define GET_MAX 0x83 +#define GET_RES 0x84 +#define GET_LEN 0x85 +#define GET_INFO 0x86 +#define GET_DEF 0x87 /* VideoControl interface controls */ -#define VC_CONTROL_UNDEFINED 0x00 -#define VC_VIDEO_POWER_MODE_CONTROL 0x01 -#define VC_REQUEST_ERROR_CODE_CONTROL 0x02 +#define VC_CONTROL_UNDEFINED 0x00 +#define VC_VIDEO_POWER_MODE_CONTROL 0x01 +#define VC_REQUEST_ERROR_CODE_CONTROL 0x02 /* Terminal controls */ -#define TE_CONTROL_UNDEFINED 0x00 +#define TE_CONTROL_UNDEFINED 0x00 /* Selector Unit controls */ -#define SU_CONTROL_UNDEFINED 0x00 -#define SU_INPUT_SELECT_CONTROL 0x01 +#define SU_CONTROL_UNDEFINED 0x00 +#define SU_INPUT_SELECT_CONTROL 0x01 /* Camera Terminal controls */ -#define CT_CONTROL_UNDEFINED 0x00 -#define CT_SCANNING_MODE_CONTROL 0x01 -#define CT_AE_MODE_CONTROL 0x02 -#define CT_AE_PRIORITY_CONTROL 0x03 -#define CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04 -#define CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05 -#define CT_FOCUS_ABSOLUTE_CONTROL 0x06 -#define CT_FOCUS_RELATIVE_CONTROL 0x07 -#define CT_FOCUS_AUTO_CONTROL 0x08 -#define CT_IRIS_ABSOLUTE_CONTROL 0x09 -#define CT_IRIS_RELATIVE_CONTROL 0x0a -#define CT_ZOOM_ABSOLUTE_CONTROL 0x0b -#define CT_ZOOM_RELATIVE_CONTROL 0x0c -#define CT_PANTILT_ABSOLUTE_CONTROL 0x0d -#define CT_PANTILT_RELATIVE_CONTROL 0x0e -#define CT_ROLL_ABSOLUTE_CONTROL 0x0f -#define CT_ROLL_RELATIVE_CONTROL 0x10 -#define CT_PRIVACY_CONTROL 0x11 +#define CT_CONTROL_UNDEFINED 0x00 +#define CT_SCANNING_MODE_CONTROL 0x01 +#define CT_AE_MODE_CONTROL 0x02 +#define CT_AE_PRIORITY_CONTROL 0x03 +#define CT_EXPOSURE_TIME_ABSOLUTE_CONTROL 0x04 +#define CT_EXPOSURE_TIME_RELATIVE_CONTROL 0x05 +#define CT_FOCUS_ABSOLUTE_CONTROL 0x06 +#define CT_FOCUS_RELATIVE_CONTROL 0x07 +#define CT_FOCUS_AUTO_CONTROL 0x08 +#define CT_IRIS_ABSOLUTE_CONTROL 0x09 +#define CT_IRIS_RELATIVE_CONTROL 0x0a +#define CT_ZOOM_ABSOLUTE_CONTROL 0x0b +#define CT_ZOOM_RELATIVE_CONTROL 0x0c +#define CT_PANTILT_ABSOLUTE_CONTROL 0x0d +#define CT_PANTILT_RELATIVE_CONTROL 0x0e +#define CT_ROLL_ABSOLUTE_CONTROL 0x0f +#define CT_ROLL_RELATIVE_CONTROL 0x10 +#define CT_PRIVACY_CONTROL 0x11 /* Processing Unit controls */ -#define PU_CONTROL_UNDEFINED 0x00 -#define PU_BACKLIGHT_COMPENSATION_CONTROL 0x01 -#define PU_BRIGHTNESS_CONTROL 0x02 -#define PU_CONTRAST_CONTROL 0x03 -#define PU_GAIN_CONTROL 0x04 -#define PU_POWER_LINE_FREQUENCY_CONTROL 0x05 -#define PU_HUE_CONTROL 0x06 -#define PU_SATURATION_CONTROL 0x07 -#define PU_SHARPNESS_CONTROL 0x08 -#define PU_GAMMA_CONTROL 0x09 -#define PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0a -#define PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0b -#define PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0c -#define PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0d -#define PU_DIGITAL_MULTIPLIER_CONTROL 0x0e -#define PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0f -#define PU_HUE_AUTO_CONTROL 0x10 -#define PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11 -#define PU_ANALOG_LOCK_STATUS_CONTROL 0x12 +#define PU_CONTROL_UNDEFINED 0x00 +#define PU_BACKLIGHT_COMPENSATION_CONTROL 0x01 +#define PU_BRIGHTNESS_CONTROL 0x02 +#define PU_CONTRAST_CONTROL 0x03 +#define PU_GAIN_CONTROL 0x04 +#define PU_POWER_LINE_FREQUENCY_CONTROL 0x05 +#define PU_HUE_CONTROL 0x06 +#define PU_SATURATION_CONTROL 0x07 +#define PU_SHARPNESS_CONTROL 0x08 +#define PU_GAMMA_CONTROL 0x09 +#define PU_WHITE_BALANCE_TEMPERATURE_CONTROL 0x0a +#define PU_WHITE_BALANCE_TEMPERATURE_AUTO_CONTROL 0x0b +#define PU_WHITE_BALANCE_COMPONENT_CONTROL 0x0c +#define PU_WHITE_BALANCE_COMPONENT_AUTO_CONTROL 0x0d +#define PU_DIGITAL_MULTIPLIER_CONTROL 0x0e +#define PU_DIGITAL_MULTIPLIER_LIMIT_CONTROL 0x0f +#define PU_HUE_AUTO_CONTROL 0x10 +#define PU_ANALOG_VIDEO_STANDARD_CONTROL 0x11 +#define PU_ANALOG_LOCK_STATUS_CONTROL 0x12 #define LXU_MOTOR_PANTILT_RELATIVE_CONTROL 0x01 #define LXU_MOTOR_PANTILT_RESET_CONTROL 0x02 #define LXU_MOTOR_FOCUS_MOTOR_CONTROL 0x03 /* VideoStreaming interface controls */ -#define VS_CONTROL_UNDEFINED 0x00 -#define VS_PROBE_CONTROL 0x01 -#define VS_COMMIT_CONTROL 0x02 -#define VS_STILL_PROBE_CONTROL 0x03 -#define VS_STILL_COMMIT_CONTROL 0x04 -#define VS_STILL_IMAGE_TRIGGER_CONTROL 0x05 -#define VS_STREAM_ERROR_CODE_CONTROL 0x06 -#define VS_GENERATE_KEY_FRAME_CONTROL 0x07 -#define VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08 -#define VS_SYNC_DELAY_CONTROL 0x09 - -#define TT_VENDOR_SPECIFIC 0x0100 -#define TT_STREAMING 0x0101 +#define VS_CONTROL_UNDEFINED 0x00 +#define VS_PROBE_CONTROL 0x01 +#define VS_COMMIT_CONTROL 0x02 +#define VS_STILL_PROBE_CONTROL 0x03 +#define VS_STILL_COMMIT_CONTROL 0x04 +#define VS_STILL_IMAGE_TRIGGER_CONTROL 0x05 +#define VS_STREAM_ERROR_CODE_CONTROL 0x06 +#define VS_GENERATE_KEY_FRAME_CONTROL 0x07 +#define VS_UPDATE_FRAME_SEGMENT_CONTROL 0x08 +#define VS_SYNC_DELAY_CONTROL 0x09 + +#define TT_VENDOR_SPECIFIC 0x0100 +#define TT_STREAMING 0x0101 /* Input Terminal types */ -#define ITT_VENDOR_SPECIFIC 0x0200 -#define ITT_CAMERA 0x0201 -#define ITT_MEDIA_TRANSPORT_INPUT 0x0202 +#define ITT_VENDOR_SPECIFIC 0x0200 +#define ITT_CAMERA 0x0201 +#define ITT_MEDIA_TRANSPORT_INPUT 0x0202 /* Output Terminal types */ -#define OTT_VENDOR_SPECIFIC 0x0300 -#define OTT_DISPLAY 0x0301 -#define OTT_MEDIA_TRANSPORT_OUTPUT 0x0302 +#define OTT_VENDOR_SPECIFIC 0x0300 +#define OTT_DISPLAY 0x0301 +#define OTT_MEDIA_TRANSPORT_OUTPUT 0x0302 /* External Terminal types */ -#define EXTERNAL_VENDOR_SPECIFIC 0x0400 -#define COMPOSITE_CONNECTOR 0x0401 -#define SVIDEO_CONNECTOR 0x0402 -#define COMPONENT_CONNECTOR 0x0403 +#define EXTERNAL_VENDOR_SPECIFIC 0x0400 +#define COMPOSITE_CONNECTOR 0x0401 +#define SVIDEO_CONNECTOR 0x0402 +#define COMPONENT_CONNECTOR 0x0403 #define UVC_TERM_INPUT 0x0000 #define UVC_TERM_OUTPUT 0x8000 @@ -541,11 +541,11 @@ struct uvc_streaming { }; enum uvc_buffer_state { - UVC_BUF_STATE_IDLE = 0, - UVC_BUF_STATE_QUEUED = 1, - UVC_BUF_STATE_ACTIVE = 2, - UVC_BUF_STATE_DONE = 3, - UVC_BUF_STATE_ERROR = 4, + UVC_BUF_STATE_IDLE = 0, + UVC_BUF_STATE_QUEUED = 1, + UVC_BUF_STATE_ACTIVE = 2, + UVC_BUF_STATE_DONE = 3, + UVC_BUF_STATE_ERROR = 4, }; struct uvc_buffer { diff --git a/drivers/media/video/v4l2-subdev.c b/drivers/media/video/v4l2-subdev.c index fbe9cc0..2120880 100644 --- a/drivers/media/video/v4l2-subdev.c +++ b/drivers/media/video/v4l2-subdev.c @@ -28,13 +28,13 @@ int v4l2_subdev_command(struct v4l2_subdev *sd, unsigned cmd, void *arg) { switch (cmd) { case VIDIOC_QUERYCTRL: - return v4l2_subdev_call(sd, core, querymenu, arg); + return v4l2_subdev_call(sd, core, queryctrl, arg); case VIDIOC_G_CTRL: return v4l2_subdev_call(sd, core, g_ctrl, arg); case VIDIOC_S_CTRL: return v4l2_subdev_call(sd, core, s_ctrl, arg); case VIDIOC_QUERYMENU: - return v4l2_subdev_call(sd, core, queryctrl, arg); + return v4l2_subdev_call(sd, core, querymenu, arg); case VIDIOC_LOG_STATUS: return v4l2_subdev_call(sd, core, log_status); case VIDIOC_DBG_G_CHIP_IDENT: diff --git a/drivers/media/video/zoran/zoran.h b/drivers/media/video/zoran/zoran.h index 46b7ad4..e873a91 100644 --- a/drivers/media/video/zoran/zoran.h +++ b/drivers/media/video/zoran/zoran.h @@ -349,7 +349,6 @@ struct card_info { u16 i2c_decoder, i2c_encoder; /* I2C types */ u16 video_vfe, video_codec; /* videocodec types */ u16 audio_chip; /* audio type */ - u16 vendor_id, device_id; /* subsystem vendor/device ID */ int inputs; /* number of video inputs */ struct input { @@ -401,7 +400,6 @@ struct zoran { char name[32]; /* name of this device */ struct pci_dev *pci_dev; /* PCI device */ unsigned char revision; /* revision of zr36057 */ - unsigned int zr36057_adr; /* bus address of IO mem returned by PCI BIOS */ unsigned char __iomem *zr36057_mem;/* pointer to mapped IO memory */ spinlock_t spinlock; /* Spinlock */ @@ -490,16 +488,10 @@ struct zoran { wait_queue_head_t test_q; }; -/*The following should be done in more portable way. It depends on define - of _ALPHA_BUZ in the Makefile.*/ - -#ifdef _ALPHA_BUZ -#define btwrite(dat,adr) writel((dat), zr->zr36057_adr+(adr)) -#define btread(adr) readl(zr->zr36057_adr+(adr)) -#else +/* There was something called _ALPHA_BUZ that used the PCI address instead of + * the kernel iomapped address for btread/btwrite. */ #define btwrite(dat,adr) writel((dat), zr->zr36057_mem+(adr)) #define btread(adr) readl(zr->zr36057_mem+(adr)) -#endif #define btand(dat,adr) btwrite((dat) & btread(adr), adr) #define btor(dat,adr) btwrite((dat) | btread(adr), adr) diff --git a/drivers/media/video/zoran/zoran_card.c b/drivers/media/video/zoran/zoran_card.c index 05f3919..5d2f090 100644 --- a/drivers/media/video/zoran/zoran_card.c +++ b/drivers/media/video/zoran/zoran_card.c @@ -61,17 +61,17 @@ extern const struct zoran_format zoran_formats[]; -static int card[BUZ_MAX] = { -1, -1, -1, -1 }; +static int card[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 }; module_param_array(card, int, NULL, 0444); -MODULE_PARM_DESC(card, "The type of card"); +MODULE_PARM_DESC(card, "Card type"); -static int encoder[BUZ_MAX] = { -1, -1, -1, -1 }; +static int encoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 }; module_param_array(encoder, int, NULL, 0444); -MODULE_PARM_DESC(encoder, "i2c TV encoder"); +MODULE_PARM_DESC(encoder, "Video encoder chip"); -static int decoder[BUZ_MAX] = { -1, -1, -1, -1 }; +static int decoder[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 }; module_param_array(decoder, int, NULL, 0444); -MODULE_PARM_DESC(decoder, "i2c TV decoder"); +MODULE_PARM_DESC(decoder, "Video decoder chip"); /* The video mem address of the video card. @@ -104,9 +104,9 @@ module_param(default_norm, int, 0444); MODULE_PARM_DESC(default_norm, "Default norm (0=PAL, 1=NTSC, 2=SECAM)"); /* /dev/videoN, -1 for autodetect */ -static int video_nr[BUZ_MAX] = {-1, -1, -1, -1}; +static int video_nr[BUZ_MAX] = { [0 ... (BUZ_MAX-1)] = -1 }; module_param_array(video_nr, int, NULL, 0444); -MODULE_PARM_DESC(video_nr, "video device number (-1=Auto)"); +MODULE_PARM_DESC(video_nr, "Video device number (-1=Auto)"); /* Number and size of grab buffers for Video 4 Linux @@ -153,9 +153,21 @@ MODULE_DESCRIPTION("Zoran-36057/36067 JPEG codec driver"); MODULE_AUTHOR("Serguei Miridonov"); MODULE_LICENSE("GPL"); +#define ZR_DEVICE(subven, subdev, data) { \ + .vendor = PCI_VENDOR_ID_ZORAN, .device = PCI_DEVICE_ID_ZORAN_36057, \ + .subvendor = (subven), .subdevice = (subdev), .driver_data = (data) } + +static struct pci_device_id zr36067_pci_tbl[] = { + ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC10PLUS, DC10plus), + ZR_DEVICE(PCI_VENDOR_ID_MIRO, PCI_DEVICE_ID_MIRO_DC30PLUS, DC30plus), + ZR_DEVICE(PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, PCI_DEVICE_ID_LML_33R10, LML33R10), + ZR_DEVICE(PCI_VENDOR_ID_IOMEGA, PCI_DEVICE_ID_IOMEGA_BUZ, BUZ), + ZR_DEVICE(PCI_ANY_ID, PCI_ANY_ID, NUM_CARDS), + {0} +}; +MODULE_DEVICE_TABLE(pci, zr36067_pci_tbl); -int zoran_num; /* number of Buzs in use */ -struct zoran *zoran[BUZ_MAX]; +static unsigned int zoran_num; /* number of cards found */ /* videocodec bus functions ZR36060 */ static u32 @@ -472,8 +484,6 @@ static struct card_info zoran_cards[NUM_CARDS] __devinitdata = { }, { .type = DC10plus, .name = "DC10plus", - .vendor_id = PCI_VENDOR_ID_MIRO, - .device_id = PCI_DEVICE_ID_MIRO_DC10PLUS, .i2c_decoder = I2C_DRIVERID_SAA7110, .i2c_encoder = I2C_DRIVERID_ADV7175, .video_codec = CODEC_TYPE_ZR36060, @@ -531,8 +541,6 @@ static struct card_info zoran_cards[NUM_CARDS] __devinitdata = { }, { .type = DC30plus, .name = "DC30plus", - .vendor_id = PCI_VENDOR_ID_MIRO, - .device_id = PCI_DEVICE_ID_MIRO_DC30PLUS, .i2c_decoder = I2C_DRIVERID_VPX3220, .i2c_encoder = I2C_DRIVERID_ADV7175, .video_codec = CODEC_TYPE_ZR36050, @@ -589,8 +597,6 @@ static struct card_info zoran_cards[NUM_CARDS] __devinitdata = { }, { .type = LML33R10, .name = "LML33R10", - .vendor_id = PCI_VENDOR_ID_ELECTRONICDESIGNGMBH, - .device_id = PCI_DEVICE_ID_LML_33R10, .i2c_decoder = I2C_DRIVERID_SAA7114, .i2c_encoder = I2C_DRIVERID_ADV7170, .video_codec = CODEC_TYPE_ZR36060, @@ -618,8 +624,6 @@ static struct card_info zoran_cards[NUM_CARDS] __devinitdata = { }, { .type = BUZ, .name = "Buz", - .vendor_id = PCI_VENDOR_ID_IOMEGA, - .device_id = PCI_DEVICE_ID_IOMEGA_BUZ, .i2c_decoder = I2C_DRIVERID_SAA7111A, .i2c_encoder = I2C_DRIVERID_SAA7185B, .video_codec = CODEC_TYPE_ZR36060, @@ -649,8 +653,6 @@ static struct card_info zoran_cards[NUM_CARDS] __devinitdata = { .name = "6-Eyes", /* AverMedia chose not to brand the 6-Eyes. Thus it can't be autodetected, and requires card=x. */ - .vendor_id = -1, - .device_id = -1, .i2c_decoder = I2C_DRIVERID_KS0127, .i2c_encoder = I2C_DRIVERID_BT866, .video_codec = CODEC_TYPE_ZR36060, @@ -1138,7 +1140,8 @@ zr36057_init (struct zoran *zr) strcpy(zr->video_dev->name, ZR_DEVNAME(zr)); err = video_register_device(zr->video_dev, VFL_TYPE_GRABBER, video_nr[zr->id]); if (err < 0) - goto exit_unregister; + goto exit_free; + video_set_drvdata(zr->video_dev, zr); zoran_init_hardware(zr); if (zr36067_debug > 2) @@ -1153,19 +1156,19 @@ zr36057_init (struct zoran *zr) zr->initialized = 1; return 0; -exit_unregister: - zoran_unregister_i2c(zr); exit_free: kfree(zr->stat_com); kfree(zr->video_dev); return err; } -static void -zoran_release (struct zoran *zr) +static void __devexit zoran_remove(struct pci_dev *pdev) { + struct zoran *zr = pci_get_drvdata(pdev); + if (!zr->initialized) goto exit_free; + /* unregister videocodec bus */ if (zr->codec) { struct videocodec_master *master = zr->codec->master_data; @@ -1194,6 +1197,7 @@ zoran_release (struct zoran *zr) pci_disable_device(zr->pci_dev); video_unregister_device(zr->video_dev); exit_free: + pci_set_drvdata(pdev, NULL); kfree(zr); } @@ -1256,338 +1260,329 @@ zoran_setup_videocodec (struct zoran *zr, * Scan for a Buz card (actually for the PCI controller ZR36057), * request the irq and map the io memory */ -static int __devinit -find_zr36057 (void) +static int __devinit zoran_probe(struct pci_dev *pdev, + const struct pci_device_id *ent) { unsigned char latency, need_latency; struct zoran *zr; - struct pci_dev *dev = NULL; int result; struct videocodec_master *master_vfe = NULL; struct videocodec_master *master_codec = NULL; int card_num; char *i2c_enc_name, *i2c_dec_name, *codec_name, *vfe_name; + unsigned int nr; - zoran_num = 0; - while (zoran_num < BUZ_MAX && - (dev = pci_get_device(PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36057, dev)) != NULL) { - card_num = card[zoran_num]; - zr = kzalloc(sizeof(struct zoran), GFP_KERNEL); - if (!zr) { - dprintk(1, - KERN_ERR - "%s: find_zr36057() - kzalloc failed\n", - ZORAN_NAME); - continue; - } - zr->pci_dev = dev; - //zr->zr36057_mem = NULL; - zr->id = zoran_num; - snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id); - spin_lock_init(&zr->spinlock); - mutex_init(&zr->resource_lock); - if (pci_enable_device(dev)) - goto zr_free_mem; - zr->zr36057_adr = pci_resource_start(zr->pci_dev, 0); - pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, - &zr->revision); - if (zr->revision < 2) { - dprintk(1, - KERN_INFO - "%s: Zoran ZR36057 (rev %d) irq: %d, memory: 0x%08x.\n", - ZR_DEVNAME(zr), zr->revision, zr->pci_dev->irq, - zr->zr36057_adr); - if (card_num == -1) { - dprintk(1, - KERN_ERR - "%s: find_zr36057() - no card specified, please use the card=X insmod option\n", - ZR_DEVNAME(zr)); - goto zr_free_mem; - } - } else { - int i; - unsigned short ss_vendor, ss_device; + nr = zoran_num++; + if (nr >= BUZ_MAX) { + dprintk(1, + KERN_ERR + "%s: driver limited to %d card(s) maximum\n", + ZORAN_NAME, BUZ_MAX); + return -ENOENT; + } - ss_vendor = zr->pci_dev->subsystem_vendor; - ss_device = zr->pci_dev->subsystem_device; + zr = kzalloc(sizeof(struct zoran), GFP_KERNEL); + if (!zr) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - kzalloc failed\n", + ZORAN_NAME); + return -ENOMEM; + } + zr->pci_dev = pdev; + zr->id = nr; + snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), "MJPEG[%u]", zr->id); + spin_lock_init(&zr->spinlock); + mutex_init(&zr->resource_lock); + if (pci_enable_device(pdev)) + goto zr_free_mem; + pci_read_config_byte(zr->pci_dev, PCI_CLASS_REVISION, &zr->revision); + + dprintk(1, + KERN_INFO + "%s: Zoran ZR360%c7 (rev %d), irq: %d, memory: 0x%08llx\n", + ZR_DEVNAME(zr), zr->revision < 2 ? '5' : '6', zr->revision, + zr->pci_dev->irq, (uint64_t)pci_resource_start(zr->pci_dev, 0)); + if (zr->revision >= 2) { + dprintk(1, + KERN_INFO + "%s: Subsystem vendor=0x%04x id=0x%04x\n", + ZR_DEVNAME(zr), zr->pci_dev->subsystem_vendor, + zr->pci_dev->subsystem_device); + } + + /* Use auto-detected card type? */ + if (card[nr] == -1) { + if (zr->revision < 2) { dprintk(1, - KERN_INFO - "%s: Zoran ZR36067 (rev %d) irq: %d, memory: 0x%08x\n", - ZR_DEVNAME(zr), zr->revision, zr->pci_dev->irq, - zr->zr36057_adr); + KERN_ERR + "%s: No card type specified, please use the card=X module parameter\n", + ZR_DEVNAME(zr)); dprintk(1, - KERN_INFO - "%s: subsystem vendor=0x%04x id=0x%04x\n", - ZR_DEVNAME(zr), ss_vendor, ss_device); - if (card_num == -1) { - dprintk(3, - KERN_DEBUG - "%s: find_zr36057() - trying to autodetect card type\n", - ZR_DEVNAME(zr)); - for (i=0;i<NUM_CARDS;i++) { - if (ss_vendor == zoran_cards[i].vendor_id && - ss_device == zoran_cards[i].device_id) { - dprintk(3, - KERN_DEBUG - "%s: find_zr36057() - card %s detected\n", - ZR_DEVNAME(zr), - zoran_cards[i].name); - card_num = i; - break; - } - } - if (i == NUM_CARDS) { - dprintk(1, - KERN_ERR - "%s: find_zr36057() - unknown card\n", - ZR_DEVNAME(zr)); - goto zr_free_mem; - } - } - } - - if (card_num < 0 || card_num >= NUM_CARDS) { - dprintk(2, KERN_ERR - "%s: find_zr36057() - invalid cardnum %d\n", - ZR_DEVNAME(zr), card_num); + "%s: It is not possible to auto-detect ZR36057 based cards\n", + ZR_DEVNAME(zr)); goto zr_free_mem; } - /* even though we make this a non pointer and thus - * theoretically allow for making changes to this struct - * on a per-individual card basis at runtime, this is - * strongly discouraged. This structure is intended to - * keep general card information, no settings or anything */ - zr->card = zoran_cards[card_num]; - snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), - "%s[%u]", zr->card.name, zr->id); - - zr->zr36057_mem = ioremap_nocache(zr->zr36057_adr, 0x1000); - if (!zr->zr36057_mem) { + card_num = ent->driver_data; + if (card_num >= NUM_CARDS) { dprintk(1, KERN_ERR - "%s: find_zr36057() - ioremap failed\n", + "%s: Unknown card, try specifying card=X module parameter\n", ZR_DEVNAME(zr)); goto zr_free_mem; } - - result = request_irq(zr->pci_dev->irq, - zoran_irq, - IRQF_SHARED | IRQF_DISABLED, - ZR_DEVNAME(zr), - (void *) zr); - if (result < 0) { - if (result == -EINVAL) { - dprintk(1, - KERN_ERR - "%s: find_zr36057() - bad irq number or handler\n", - ZR_DEVNAME(zr)); - } else if (result == -EBUSY) { - dprintk(1, - KERN_ERR - "%s: find_zr36057() - IRQ %d busy, change your PnP config in BIOS\n", - ZR_DEVNAME(zr), zr->pci_dev->irq); - } else { - dprintk(1, - KERN_ERR - "%s: find_zr36057() - can't assign irq, error code %d\n", - ZR_DEVNAME(zr), result); - } - goto zr_unmap; - } - - /* set PCI latency timer */ - pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, - &latency); - need_latency = zr->revision > 1 ? 32 : 48; - if (latency != need_latency) { - dprintk(2, - KERN_INFO - "%s: Changing PCI latency from %d to %d.\n", - ZR_DEVNAME(zr), latency, need_latency); - pci_write_config_byte(zr->pci_dev, - PCI_LATENCY_TIMER, - need_latency); + dprintk(3, + KERN_DEBUG + "%s: %s() - card %s detected\n", + ZR_DEVNAME(zr), __func__, zoran_cards[card_num].name); + } else { + card_num = card[nr]; + if (card_num >= NUM_CARDS || card_num < 0) { + dprintk(1, + KERN_ERR + "%s: User specified card type %d out of range (0 .. %d)\n", + ZR_DEVNAME(zr), card_num, NUM_CARDS - 1); + goto zr_free_mem; } + } - zr36057_restart(zr); - /* i2c */ - dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n", - ZR_DEVNAME(zr)); + /* even though we make this a non pointer and thus + * theoretically allow for making changes to this struct + * on a per-individual card basis at runtime, this is + * strongly discouraged. This structure is intended to + * keep general card information, no settings or anything */ + zr->card = zoran_cards[card_num]; + snprintf(ZR_DEVNAME(zr), sizeof(ZR_DEVNAME(zr)), + "%s[%u]", zr->card.name, zr->id); + + zr->zr36057_mem = pci_ioremap_bar(zr->pci_dev, 0); + if (!zr->zr36057_mem) { + dprintk(1, + KERN_ERR + "%s: %s() - ioremap failed\n", + ZR_DEVNAME(zr), __func__); + goto zr_free_mem; + } - /* i2c decoder */ - if (decoder[zr->id] != -1) { - i2c_dec_name = i2cid_to_modulename(decoder[zr->id]); - zr->card.i2c_decoder = decoder[zr->id]; - } else if (zr->card.i2c_decoder != 0) { - i2c_dec_name = - i2cid_to_modulename(zr->card.i2c_decoder); + result = request_irq(zr->pci_dev->irq, zoran_irq, + IRQF_SHARED | IRQF_DISABLED, ZR_DEVNAME(zr), zr); + if (result < 0) { + if (result == -EINVAL) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - bad irq number or handler\n", + ZR_DEVNAME(zr)); + } else if (result == -EBUSY) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - IRQ %d busy, change your PnP config in BIOS\n", + ZR_DEVNAME(zr), zr->pci_dev->irq); } else { - i2c_dec_name = NULL; + dprintk(1, + KERN_ERR + "%s: find_zr36057() - can't assign irq, error code %d\n", + ZR_DEVNAME(zr), result); } + goto zr_unmap; + } - if (i2c_dec_name) { - if ((result = request_module(i2c_dec_name)) < 0) { - dprintk(1, - KERN_ERR - "%s: failed to load module %s: %d\n", - ZR_DEVNAME(zr), i2c_dec_name, result); - } - } + /* set PCI latency timer */ + pci_read_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, + &latency); + need_latency = zr->revision > 1 ? 32 : 48; + if (latency != need_latency) { + dprintk(2, + KERN_INFO + "%s: Changing PCI latency from %d to %d\n", + ZR_DEVNAME(zr), latency, need_latency); + pci_write_config_byte(zr->pci_dev, PCI_LATENCY_TIMER, + need_latency); + } - /* i2c encoder */ - if (encoder[zr->id] != -1) { - i2c_enc_name = i2cid_to_modulename(encoder[zr->id]); - zr->card.i2c_encoder = encoder[zr->id]; - } else if (zr->card.i2c_encoder != 0) { - i2c_enc_name = - i2cid_to_modulename(zr->card.i2c_encoder); - } else { - i2c_enc_name = NULL; - } + zr36057_restart(zr); + /* i2c */ + dprintk(2, KERN_INFO "%s: Initializing i2c bus...\n", + ZR_DEVNAME(zr)); + + /* i2c decoder */ + if (decoder[zr->id] != -1) { + i2c_dec_name = i2cid_to_modulename(decoder[zr->id]); + zr->card.i2c_decoder = decoder[zr->id]; + } else if (zr->card.i2c_decoder != 0) { + i2c_dec_name = i2cid_to_modulename(zr->card.i2c_decoder); + } else { + i2c_dec_name = NULL; + } - if (i2c_enc_name) { - if ((result = request_module(i2c_enc_name)) < 0) { - dprintk(1, - KERN_ERR - "%s: failed to load module %s: %d\n", - ZR_DEVNAME(zr), i2c_enc_name, result); - } + if (i2c_dec_name) { + result = request_module(i2c_dec_name); + if (result < 0) { + dprintk(1, + KERN_ERR + "%s: failed to load module %s: %d\n", + ZR_DEVNAME(zr), i2c_dec_name, result); } + } + + /* i2c encoder */ + if (encoder[zr->id] != -1) { + i2c_enc_name = i2cid_to_modulename(encoder[zr->id]); + zr->card.i2c_encoder = encoder[zr->id]; + } else if (zr->card.i2c_encoder != 0) { + i2c_enc_name = i2cid_to_modulename(zr->card.i2c_encoder); + } else { + i2c_enc_name = NULL; + } - if (zoran_register_i2c(zr) < 0) { + if (i2c_enc_name) { + result = request_module(i2c_enc_name); + if (result < 0) { dprintk(1, KERN_ERR - "%s: find_zr36057() - can't initialize i2c bus\n", - ZR_DEVNAME(zr)); - goto zr_free_irq; + "%s: failed to load module %s: %d\n", + ZR_DEVNAME(zr), i2c_enc_name, result); } + } - dprintk(2, - KERN_INFO "%s: Initializing videocodec bus...\n", + if (zoran_register_i2c(zr) < 0) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - can't initialize i2c bus\n", ZR_DEVNAME(zr)); + goto zr_free_irq; + } - if (zr->card.video_codec != 0 && - (codec_name = - codecid_to_modulename(zr->card.video_codec)) != NULL) { - if ((result = request_module(codec_name)) < 0) { + dprintk(2, + KERN_INFO "%s: Initializing videocodec bus...\n", + ZR_DEVNAME(zr)); + + if (zr->card.video_codec) { + codec_name = codecid_to_modulename(zr->card.video_codec); + if (codec_name) { + result = request_module(codec_name); + if (result) { dprintk(1, KERN_ERR "%s: failed to load modules %s: %d\n", ZR_DEVNAME(zr), codec_name, result); } } - if (zr->card.video_vfe != 0 && - (vfe_name = - codecid_to_modulename(zr->card.video_vfe)) != NULL) { - if ((result = request_module(vfe_name)) < 0) { + } + if (zr->card.video_vfe) { + vfe_name = codecid_to_modulename(zr->card.video_vfe); + if (vfe_name) { + result = request_module(vfe_name); + if (result < 0) { dprintk(1, KERN_ERR "%s: failed to load modules %s: %d\n", ZR_DEVNAME(zr), vfe_name, result); } } + } - /* reset JPEG codec */ - jpeg_codec_sleep(zr, 1); - jpeg_codec_reset(zr); - /* video bus enabled */ - /* display codec revision */ - if (zr->card.video_codec != 0) { - master_codec = zoran_setup_videocodec(zr, - zr->card.video_codec); - if (!master_codec) - goto zr_unreg_i2c; - zr->codec = videocodec_attach(master_codec); - if (!zr->codec) { - dprintk(1, - KERN_ERR - "%s: find_zr36057() - no codec found\n", - ZR_DEVNAME(zr)); - goto zr_free_codec; - } - if (zr->codec->type != zr->card.video_codec) { - dprintk(1, - KERN_ERR - "%s: find_zr36057() - wrong codec\n", - ZR_DEVNAME(zr)); - goto zr_detach_codec; - } + /* reset JPEG codec */ + jpeg_codec_sleep(zr, 1); + jpeg_codec_reset(zr); + /* video bus enabled */ + /* display codec revision */ + if (zr->card.video_codec != 0) { + master_codec = zoran_setup_videocodec(zr, zr->card.video_codec); + if (!master_codec) + goto zr_unreg_i2c; + zr->codec = videocodec_attach(master_codec); + if (!zr->codec) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - no codec found\n", + ZR_DEVNAME(zr)); + goto zr_free_codec; } - if (zr->card.video_vfe != 0) { - master_vfe = zoran_setup_videocodec(zr, - zr->card.video_vfe); - if (!master_vfe) - goto zr_detach_codec; - zr->vfe = videocodec_attach(master_vfe); - if (!zr->vfe) { - dprintk(1, - KERN_ERR - "%s: find_zr36057() - no VFE found\n", - ZR_DEVNAME(zr)); - goto zr_free_vfe; - } - if (zr->vfe->type != zr->card.video_vfe) { - dprintk(1, - KERN_ERR - "%s: find_zr36057() = wrong VFE\n", - ZR_DEVNAME(zr)); - goto zr_detach_vfe; - } + if (zr->codec->type != zr->card.video_codec) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - wrong codec\n", + ZR_DEVNAME(zr)); + goto zr_detach_codec; + } + } + if (zr->card.video_vfe != 0) { + master_vfe = zoran_setup_videocodec(zr, zr->card.video_vfe); + if (!master_vfe) + goto zr_detach_codec; + zr->vfe = videocodec_attach(master_vfe); + if (!zr->vfe) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() - no VFE found\n", + ZR_DEVNAME(zr)); + goto zr_free_vfe; + } + if (zr->vfe->type != zr->card.video_vfe) { + dprintk(1, + KERN_ERR + "%s: find_zr36057() = wrong VFE\n", + ZR_DEVNAME(zr)); + goto zr_detach_vfe; } - /* Success so keep the pci_dev referenced */ - pci_dev_get(zr->pci_dev); - zoran[zoran_num++] = zr; - continue; - - // Init errors - zr_detach_vfe: - videocodec_detach(zr->vfe); - zr_free_vfe: - kfree(master_vfe); - zr_detach_codec: - videocodec_detach(zr->codec); - zr_free_codec: - kfree(master_codec); - zr_unreg_i2c: - zoran_unregister_i2c(zr); - zr_free_irq: - btwrite(0, ZR36057_SPGPPCR); - free_irq(zr->pci_dev->irq, zr); - zr_unmap: - iounmap(zr->zr36057_mem); - zr_free_mem: - kfree(zr); - continue; } - if (dev) /* Clean up ref count on early exit */ - pci_dev_put(dev); - if (zoran_num == 0) { - dprintk(1, KERN_INFO "No known MJPEG cards found.\n"); + /* take care of Natoma chipset and a revision 1 zr36057 */ + if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) { + zr->jpg_buffers.need_contiguous = 1; + dprintk(1, + KERN_INFO + "%s: ZR36057/Natoma bug, max. buffer size is 128K\n", + ZR_DEVNAME(zr)); } - return zoran_num; + + if (zr36057_init(zr) < 0) + goto zr_detach_vfe; + + zoran_proc_init(zr); + + pci_set_drvdata(pdev, zr); + + return 0; + +zr_detach_vfe: + videocodec_detach(zr->vfe); +zr_free_vfe: + kfree(master_vfe); +zr_detach_codec: + videocodec_detach(zr->codec); +zr_free_codec: + kfree(master_codec); +zr_unreg_i2c: + zoran_unregister_i2c(zr); +zr_free_irq: + btwrite(0, ZR36057_SPGPPCR); + free_irq(zr->pci_dev->irq, zr); +zr_unmap: + iounmap(zr->zr36057_mem); +zr_free_mem: + kfree(zr); + + return -ENODEV; } -static int __init -init_dc10_cards (void) +static struct pci_driver zoran_driver = { + .name = "zr36067", + .id_table = zr36067_pci_tbl, + .probe = zoran_probe, + .remove = zoran_remove, +}; + +static int __init zoran_init(void) { - int i; + int res; - memset(zoran, 0, sizeof(zoran)); printk(KERN_INFO "Zoran MJPEG board driver version %d.%d.%d\n", MAJOR_VERSION, MINOR_VERSION, RELEASE_VERSION); - /* Look for cards */ - if (find_zr36057() < 0) { - return -EIO; - } - if (zoran_num == 0) - return -ENODEV; - dprintk(1, KERN_INFO "%s: %d card(s) found\n", ZORAN_NAME, - zoran_num); /* check the parameters we have been given, adjust if necessary */ if (v4l_nbufs < 2) v4l_nbufs = 2; @@ -1629,37 +1624,22 @@ init_dc10_cards (void) ZORAN_NAME); } - /* take care of Natoma chipset and a revision 1 zr36057 */ - for (i = 0; i < zoran_num; i++) { - struct zoran *zr = zoran[i]; - - if ((pci_pci_problems & PCIPCI_NATOMA) && zr->revision <= 1) { - zr->jpg_buffers.need_contiguous = 1; - dprintk(1, - KERN_INFO - "%s: ZR36057/Natoma bug, max. buffer size is 128K\n", - ZR_DEVNAME(zr)); - } - - if (zr36057_init(zr) < 0) { - for (i = 0; i < zoran_num; i++) - zoran_release(zoran[i]); - return -EIO; - } - zoran_proc_init(zr); + res = pci_register_driver(&zoran_driver); + if (res) { + dprintk(1, + KERN_ERR + "%s: Unable to register ZR36057 driver\n", + ZORAN_NAME); + return res; } return 0; } -static void __exit -unload_dc10_cards (void) +static void __exit zoran_exit(void) { - int i; - - for (i = 0; i < zoran_num; i++) - zoran_release(zoran[i]); + pci_unregister_driver(&zoran_driver); } -module_init(init_dc10_cards); -module_exit(unload_dc10_cards); +module_init(zoran_init); +module_exit(zoran_exit); diff --git a/drivers/media/video/zoran/zoran_card.h b/drivers/media/video/zoran/zoran_card.h index e4dc9d2..4507bdc 100644 --- a/drivers/media/video/zoran/zoran_card.h +++ b/drivers/media/video/zoran/zoran_card.h @@ -40,8 +40,6 @@ extern int zr36067_debug; /* Anybody who uses more than four? */ #define BUZ_MAX 4 -extern int zoran_num; -extern struct zoran *zoran[BUZ_MAX]; extern struct video_device zoran_template; diff --git a/drivers/media/video/zoran/zoran_driver.c b/drivers/media/video/zoran/zoran_driver.c index b58b9dd..120ef23 100644 --- a/drivers/media/video/zoran/zoran_driver.c +++ b/drivers/media/video/zoran/zoran_driver.c @@ -1196,83 +1196,54 @@ zoran_close_end_session (struct file *file) * Open a zoran card. Right now the flags stuff is just playing */ -static int -zoran_open(struct file *file) +static int zoran_open(struct file *file) { - unsigned int minor = video_devdata(file)->minor; - struct zoran *zr = NULL; + struct zoran *zr = video_drvdata(file); struct zoran_fh *fh; - int i, res, first_open = 0, have_module_locks = 0; + int res, first_open = 0; - lock_kernel(); - /* find the device */ - for (i = 0; i < zoran_num; i++) { - if (zoran[i]->video_dev->minor == minor) { - zr = zoran[i]; - break; - } - } + dprintk(2, KERN_INFO "%s: zoran_open(%s, pid=[%d]), users(-)=%d\n", + ZR_DEVNAME(zr), current->comm, task_pid_nr(current), zr->user + 1); - if (!zr) { - dprintk(1, KERN_ERR "%s: device not found!\n", ZORAN_NAME); - res = -ENODEV; - goto open_unlock_and_return; - } + lock_kernel(); /* see fs/device.c - the kernel already locks during open(), * so locking ourselves only causes deadlocks */ /*mutex_lock(&zr->resource_lock);*/ + if (zr->user >= 2048) { + dprintk(1, KERN_ERR "%s: too many users (%d) on device\n", + ZR_DEVNAME(zr), zr->user); + res = -EBUSY; + goto fail_unlock; + } + if (!zr->decoder) { dprintk(1, KERN_ERR "%s: no TV decoder loaded for device!\n", ZR_DEVNAME(zr)); res = -EIO; - goto open_unlock_and_return; + goto fail_unlock; } - /* try to grab a module lock */ - if (!try_module_get(THIS_MODULE)) { - dprintk(1, - KERN_ERR - "%s: failed to acquire my own lock! PANIC!\n", - ZR_DEVNAME(zr)); - res = -ENODEV; - goto open_unlock_and_return; - } if (!try_module_get(zr->decoder->driver->driver.owner)) { dprintk(1, KERN_ERR - "%s: failed to grab ownership of i2c decoder\n", + "%s: failed to grab ownership of video decoder\n", ZR_DEVNAME(zr)); res = -EIO; - module_put(THIS_MODULE); - goto open_unlock_and_return; + goto fail_unlock; } if (zr->encoder && !try_module_get(zr->encoder->driver->driver.owner)) { dprintk(1, KERN_ERR - "%s: failed to grab ownership of i2c encoder\n", + "%s: failed to grab ownership of video encoder\n", ZR_DEVNAME(zr)); res = -EIO; - module_put(zr->decoder->driver->driver.owner); - module_put(THIS_MODULE); - goto open_unlock_and_return; + goto fail_decoder; } - have_module_locks = 1; - - if (zr->user >= 2048) { - dprintk(1, KERN_ERR "%s: too many users (%d) on device\n", - ZR_DEVNAME(zr), zr->user); - res = -EBUSY; - goto open_unlock_and_return; - } - - dprintk(1, KERN_INFO "%s: zoran_open(%s, pid=[%d]), users(-)=%d\n", - ZR_DEVNAME(zr), current->comm, task_pid_nr(current), zr->user); - /* now, create the open()-specific file_ops struct */ fh = kzalloc(sizeof(struct zoran_fh), GFP_KERNEL); if (!fh) { @@ -1281,7 +1252,7 @@ zoran_open(struct file *file) "%s: zoran_open() - allocation of zoran_fh failed\n", ZR_DEVNAME(zr)); res = -ENOMEM; - goto open_unlock_and_return; + goto fail_encoder; } /* used to be BUZ_MAX_WIDTH/HEIGHT, but that gives overflows * on norm-change! */ @@ -1292,9 +1263,8 @@ zoran_open(struct file *file) KERN_ERR "%s: zoran_open() - allocation of overlay_mask failed\n", ZR_DEVNAME(zr)); - kfree(fh); res = -ENOMEM; - goto open_unlock_and_return; + goto fail_fh; } if (zr->user++ == 0) @@ -1319,22 +1289,19 @@ zoran_open(struct file *file) return 0; -open_unlock_and_return: - /* if we grabbed locks, release them accordingly */ - if (have_module_locks) { - module_put(zr->decoder->driver->driver.owner); - if (zr->encoder) { - module_put(zr->encoder->driver->driver.owner); - } - module_put(THIS_MODULE); - } - - /* if there's no device found, we didn't obtain the lock either */ - if (zr) { - /*mutex_unlock(&zr->resource_lock);*/ - } +fail_fh: + kfree(fh); +fail_encoder: + if (zr->encoder) + module_put(zr->encoder->driver->driver.owner); +fail_decoder: + module_put(zr->decoder->driver->driver.owner); +fail_unlock: unlock_kernel(); + dprintk(2, KERN_INFO "%s: open failed (%d), users(-)=%d\n", + ZR_DEVNAME(zr), res, zr->user); + return res; } @@ -1344,8 +1311,8 @@ zoran_close(struct file *file) struct zoran_fh *fh = file->private_data; struct zoran *zr = fh->zr; - dprintk(1, KERN_INFO "%s: zoran_close(%s, pid=[%d]), users(+)=%d\n", - ZR_DEVNAME(zr), current->comm, task_pid_nr(current), zr->user); + dprintk(2, KERN_INFO "%s: zoran_close(%s, pid=[%d]), users(+)=%d\n", + ZR_DEVNAME(zr), current->comm, task_pid_nr(current), zr->user - 1); /* kernel locks (fs/device.c), so don't do that ourselves * (prevents deadlocks) */ @@ -1391,10 +1358,8 @@ zoran_close(struct file *file) /* release locks on the i2c modules */ module_put(zr->decoder->driver->driver.owner); - if (zr->encoder) { - module_put(zr->encoder->driver->driver.owner); - } - module_put(THIS_MODULE); + if (zr->encoder) + module_put(zr->encoder->driver->driver.owner); /*mutex_unlock(&zr->resource_lock);*/ diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c index 24508e2..ea9488e 100644 --- a/drivers/mfd/pcf50633-core.c +++ b/drivers/mfd/pcf50633-core.c @@ -626,7 +626,6 @@ static int __devinit pcf50633_probe(struct i2c_client *client, } if (client->irq) { - set_irq_handler(client->irq, handle_level_irq); ret = request_irq(client->irq, pcf50633_irq, IRQF_TRIGGER_LOW, "pcf50633", pcf); diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig index abcb845..1c48408 100644 --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -87,14 +87,6 @@ config PHANTOM If you choose to build module, its name will be phantom. If unsure, say N here. -config EEPROM_93CX6 - tristate "EEPROM 93CX6 support" - ---help--- - This is a driver for the EEPROM chipsets 93c46 and 93c66. - The driver supports both read as well as write commands. - - If unsure, say N. - config SGI_IOC4 tristate "SGI IOC4 Base IO support" depends on PCI @@ -225,11 +217,13 @@ config DELL_LAPTOP depends on EXPERIMENTAL depends on BACKLIGHT_CLASS_DEVICE depends on RFKILL + depends on POWER_SUPPLY default n ---help--- This driver adds support for rfkill and backlight control to Dell laptops. source "drivers/misc/c2port/Kconfig" +source "drivers/misc/eeprom/Kconfig" endif # MISC_DEVICES diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile index d5749a7..bc11998 100644 --- a/drivers/misc/Makefile +++ b/drivers/misc/Makefile @@ -13,10 +13,10 @@ obj-$(CONFIG_TIFM_CORE) += tifm_core.o obj-$(CONFIG_TIFM_7XX1) += tifm_7xx1.o obj-$(CONFIG_PHANTOM) += phantom.o obj-$(CONFIG_SGI_IOC4) += ioc4.o -obj-$(CONFIG_EEPROM_93CX6) += eeprom_93cx6.o obj-$(CONFIG_ENCLOSURE_SERVICES) += enclosure.o obj-$(CONFIG_KGDB_TESTS) += kgdbts.o obj-$(CONFIG_SGI_XP) += sgi-xp/ obj-$(CONFIG_SGI_GRU) += sgi-gru/ obj-$(CONFIG_HP_ILO) += hpilo.o obj-$(CONFIG_C2PORT) += c2port/ +obj-y += eeprom/ diff --git a/drivers/misc/atmel-ssc.c b/drivers/misc/atmel-ssc.c index bf5e4d0..558bf3f 100644 --- a/drivers/misc/atmel-ssc.c +++ b/drivers/misc/atmel-ssc.c @@ -35,7 +35,7 @@ struct ssc_device *ssc_request(unsigned int ssc_num) if (!ssc_valid) { spin_unlock(&user_lock); - dev_dbg(&ssc->pdev->dev, "could not find requested device\n"); + pr_err("ssc: ssc%d platform device is missing\n", ssc_num); return ERR_PTR(-ENODEV); } diff --git a/drivers/misc/eeprom/Kconfig b/drivers/misc/eeprom/Kconfig new file mode 100644 index 0000000..c76df8c --- /dev/null +++ b/drivers/misc/eeprom/Kconfig @@ -0,0 +1,59 @@ +menu "EEPROM support" + +config EEPROM_AT24 + tristate "I2C EEPROMs from most vendors" + depends on I2C && SYSFS && EXPERIMENTAL + help + Enable this driver to get read/write support to most I2C EEPROMs, + after you configure the driver to know about each EEPROM on + your target board. Use these generic chip names, instead of + vendor-specific ones like at24c64 or 24lc02: + + 24c00, 24c01, 24c02, spd (readonly 24c02), 24c04, 24c08, + 24c16, 24c32, 24c64, 24c128, 24c256, 24c512, 24c1024 + + Unless you like data loss puzzles, always be sure that any chip + you configure as a 24c32 (32 kbit) or larger is NOT really a + 24c16 (16 kbit) or smaller, and vice versa. Marking the chip + as read-only won't help recover from this. Also, if your chip + has any software write-protect mechanism you may want to review the + code to make sure this driver won't turn it on by accident. + + If you use this with an SMBus adapter instead of an I2C adapter, + full functionality is not available. Only smaller devices are + supported (24c16 and below, max 4 kByte). + + This driver can also be built as a module. If so, the module + will be called at24. + +config EEPROM_AT25 + tristate "SPI EEPROMs from most vendors" + depends on SPI && SYSFS + help + Enable this driver to get read/write support to most SPI EEPROMs, + after you configure the board init code to know about each eeprom + on your target board. + + This driver can also be built as a module. If so, the module + will be called at25. + +config EEPROM_LEGACY + tristate "Old I2C EEPROM reader" + depends on I2C && SYSFS + help + If you say yes here you get read-only access to the EEPROM data + available on modern memory DIMMs and Sony Vaio laptops via I2C. Such + EEPROMs could theoretically be available on other devices as well. + + This driver can also be built as a module. If so, the module + will be called eeprom. + +config EEPROM_93CX6 + tristate "EEPROM 93CX6 support" + help + This is a driver for the EEPROM chipsets 93c46 and 93c66. + The driver supports both read as well as write commands. + + If unsure, say N. + +endmenu diff --git a/drivers/misc/eeprom/Makefile b/drivers/misc/eeprom/Makefile new file mode 100644 index 0000000..539dd8f --- /dev/null +++ b/drivers/misc/eeprom/Makefile @@ -0,0 +1,4 @@ +obj-$(CONFIG_EEPROM_AT24) += at24.o +obj-$(CONFIG_EEPROM_AT25) += at25.o +obj-$(CONFIG_EEPROM_LEGACY) += eeprom.o +obj-$(CONFIG_EEPROM_93CX6) += eeprom_93cx6.o diff --git a/drivers/i2c/chips/at24.c b/drivers/misc/eeprom/at24.c index d477552..d477552 100644 --- a/drivers/i2c/chips/at24.c +++ b/drivers/misc/eeprom/at24.c diff --git a/drivers/spi/at25.c b/drivers/misc/eeprom/at25.c index 290dbe9..290dbe9 100644 --- a/drivers/spi/at25.c +++ b/drivers/misc/eeprom/at25.c diff --git a/drivers/i2c/chips/eeprom.c b/drivers/misc/eeprom/eeprom.c index 2c27193..2c27193 100644 --- a/drivers/i2c/chips/eeprom.c +++ b/drivers/misc/eeprom/eeprom.c diff --git a/drivers/misc/eeprom_93cx6.c b/drivers/misc/eeprom/eeprom_93cx6.c index 15b1780..15b1780 100644 --- a/drivers/misc/eeprom_93cx6.c +++ b/drivers/misc/eeprom/eeprom_93cx6.c diff --git a/drivers/misc/hpilo.c b/drivers/misc/hpilo.c index 05e2982..f26667a 100644 --- a/drivers/misc/hpilo.c +++ b/drivers/misc/hpilo.c @@ -207,7 +207,7 @@ static void ilo_ccb_close(struct pci_dev *pdev, struct ccb_data *data) &device_ccb->recv_ctrl); /* give iLO some time to process stop request */ - for (retries = 1000; retries > 0; retries--) { + for (retries = MAX_WAIT; retries > 0; retries--) { doorbell_set(driver_ccb); udelay(1); if (!(ioread32(&device_ccb->send_ctrl) & (1 << CTRL_BITPOS_A)) @@ -309,7 +309,7 @@ static int ilo_ccb_open(struct ilo_hwinfo *hw, struct ccb_data *data, int slot) doorbell_clr(driver_ccb); /* make sure iLO is really handling requests */ - for (i = 1000; i > 0; i--) { + for (i = MAX_WAIT; i > 0; i--) { if (ilo_pkt_dequeue(hw, driver_ccb, SENDQ, &pkt_id, NULL, NULL)) break; udelay(1); @@ -326,7 +326,7 @@ static int ilo_ccb_open(struct ilo_hwinfo *hw, struct ccb_data *data, int slot) return 0; free: - pci_free_consistent(pdev, data->dma_size, data->dma_va, data->dma_pa); + ilo_ccb_close(pdev, data); out: return error; } @@ -758,7 +758,7 @@ static void __exit ilo_exit(void) class_destroy(ilo_class); } -MODULE_VERSION("0.05"); +MODULE_VERSION("0.06"); MODULE_ALIAS(ILO_NAME); MODULE_DESCRIPTION(ILO_NAME); MODULE_AUTHOR("David Altobelli <david.altobelli@hp.com>"); diff --git a/drivers/misc/hpilo.h b/drivers/misc/hpilo.h index a281207..b64a20e 100644 --- a/drivers/misc/hpilo.h +++ b/drivers/misc/hpilo.h @@ -19,6 +19,8 @@ #define MAX_ILO_DEV 1 /* max number of files */ #define MAX_OPEN (MAX_CCB * MAX_ILO_DEV) +/* spin counter for open/close delay */ +#define MAX_WAIT 10000 /* * Per device, used to track global memory allocations. diff --git a/drivers/misc/sgi-xp/xpc.h b/drivers/misc/sgi-xp/xpc.h index a5bd658..275b788 100644 --- a/drivers/misc/sgi-xp/xpc.h +++ b/drivers/misc/sgi-xp/xpc.h @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2004-2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2004-2009 Silicon Graphics, Inc. All Rights Reserved. */ /* @@ -514,7 +514,8 @@ struct xpc_channel_uv { /* partition's notify mq */ struct xpc_send_msg_slot_uv *send_msg_slots; - struct xpc_notify_mq_msg_uv *recv_msg_slots; + void *recv_msg_slots; /* each slot will hold a xpc_notify_mq_msg_uv */ + /* structure plus the user's payload */ struct xpc_fifo_head_uv msg_slot_free_list; struct xpc_fifo_head_uv recv_msg_list; /* deliverable payloads */ diff --git a/drivers/misc/sgi-xp/xpc_channel.c b/drivers/misc/sgi-xp/xpc_channel.c index 9cd2ebe..45fd653 100644 --- a/drivers/misc/sgi-xp/xpc_channel.c +++ b/drivers/misc/sgi-xp/xpc_channel.c @@ -49,9 +49,6 @@ xpc_process_connect(struct xpc_channel *ch, unsigned long *irq_flags) if (ch->flags & (XPC_C_CONNECTED | XPC_C_DISCONNECTING)) return; - - DBUG_ON(ch->local_msgqueue == NULL); - DBUG_ON(ch->remote_msgqueue == NULL); } if (!(ch->flags & XPC_C_OPENREPLY)) { diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c index 82fb995..2e97576 100644 --- a/drivers/misc/sgi-xp/xpc_sn2.c +++ b/drivers/misc/sgi-xp/xpc_sn2.c @@ -1106,8 +1106,6 @@ xpc_process_activate_IRQ_rcvd_sn2(void) int n_IRQs_expected; int n_IRQs_detected; - DBUG_ON(xpc_activate_IRQ_rcvd == 0); - spin_lock_irqsave(&xpc_activate_IRQ_rcvd_lock, irq_flags); n_IRQs_expected = xpc_activate_IRQ_rcvd; xpc_activate_IRQ_rcvd = 0; @@ -1726,6 +1724,7 @@ xpc_clear_local_msgqueue_flags_sn2(struct xpc_channel *ch) msg = (struct xpc_msg_sn2 *)((u64)ch_sn2->local_msgqueue + (get % ch->local_nentries) * ch->entry_size); + DBUG_ON(!(msg->flags & XPC_M_SN2_READY)); msg->flags = 0; } while (++get < ch_sn2->remote_GP.get); } @@ -1740,11 +1739,18 @@ xpc_clear_remote_msgqueue_flags_sn2(struct xpc_channel *ch) struct xpc_msg_sn2 *msg; s64 put; - put = ch_sn2->w_remote_GP.put; + /* flags are zeroed when the buffer is allocated */ + if (ch_sn2->remote_GP.put < ch->remote_nentries) + return; + + put = max(ch_sn2->w_remote_GP.put, ch->remote_nentries); do { msg = (struct xpc_msg_sn2 *)((u64)ch_sn2->remote_msgqueue + (put % ch->remote_nentries) * ch->entry_size); + DBUG_ON(!(msg->flags & XPC_M_SN2_READY)); + DBUG_ON(!(msg->flags & XPC_M_SN2_DONE)); + DBUG_ON(msg->number != put - ch->remote_nentries); msg->flags = 0; } while (++put < ch_sn2->remote_GP.put); } @@ -1836,6 +1842,7 @@ xpc_process_msg_chctl_flags_sn2(struct xpc_partition *part, int ch_number) */ xpc_clear_remote_msgqueue_flags_sn2(ch); + smp_wmb(); /* ensure flags have been cleared before bte_copy */ ch_sn2->w_remote_GP.put = ch_sn2->remote_GP.put; dev_dbg(xpc_chan, "w_remote_GP.put changed to %ld, partid=%d, " @@ -1934,7 +1941,7 @@ xpc_get_deliverable_payload_sn2(struct xpc_channel *ch) break; get = ch_sn2->w_local_GP.get; - rmb(); /* guarantee that .get loads before .put */ + smp_rmb(); /* guarantee that .get loads before .put */ if (get == ch_sn2->w_remote_GP.put) break; @@ -1956,11 +1963,13 @@ xpc_get_deliverable_payload_sn2(struct xpc_channel *ch) msg = xpc_pull_remote_msg_sn2(ch, get); - DBUG_ON(msg != NULL && msg->number != get); - DBUG_ON(msg != NULL && (msg->flags & XPC_M_SN2_DONE)); - DBUG_ON(msg != NULL && !(msg->flags & XPC_M_SN2_READY)); + if (msg != NULL) { + DBUG_ON(msg->number != get); + DBUG_ON(msg->flags & XPC_M_SN2_DONE); + DBUG_ON(!(msg->flags & XPC_M_SN2_READY)); - payload = &msg->payload; + payload = &msg->payload; + } break; } @@ -2053,7 +2062,7 @@ xpc_allocate_msg_sn2(struct xpc_channel *ch, u32 flags, while (1) { put = ch_sn2->w_local_GP.put; - rmb(); /* guarantee that .put loads before .get */ + smp_rmb(); /* guarantee that .put loads before .get */ if (put - ch_sn2->w_remote_GP.get < ch->local_nentries) { /* There are available message entries. We need to try @@ -2186,7 +2195,7 @@ xpc_send_payload_sn2(struct xpc_channel *ch, u32 flags, void *payload, * The preceding store of msg->flags must occur before the following * load of local_GP->put. */ - mb(); + smp_mb(); /* see if the message is next in line to be sent, if so send it */ @@ -2277,8 +2286,9 @@ xpc_received_payload_sn2(struct xpc_channel *ch, void *payload) dev_dbg(xpc_chan, "msg=0x%p, msg_number=%ld, partid=%d, channel=%d\n", (void *)msg, msg_number, ch->partid, ch->number); - DBUG_ON((((u64)msg - (u64)ch->remote_msgqueue) / ch->entry_size) != + DBUG_ON((((u64)msg - (u64)ch->sn.sn2.remote_msgqueue) / ch->entry_size) != msg_number % ch->remote_nentries); + DBUG_ON(!(msg->flags & XPC_M_SN2_READY)); DBUG_ON(msg->flags & XPC_M_SN2_DONE); msg->flags |= XPC_M_SN2_DONE; @@ -2287,7 +2297,7 @@ xpc_received_payload_sn2(struct xpc_channel *ch, void *payload) * The preceding store of msg->flags must occur before the following * load of local_GP->get. */ - mb(); + smp_mb(); /* * See if this message is next in line to be acknowledged as having diff --git a/drivers/misc/sgi-xp/xpc_uv.c b/drivers/misc/sgi-xp/xpc_uv.c index 91a55b1..29c0502 100644 --- a/drivers/misc/sgi-xp/xpc_uv.c +++ b/drivers/misc/sgi-xp/xpc_uv.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * Copyright (c) 2008-2009 Silicon Graphics, Inc. All Rights Reserved. */ /* @@ -1010,8 +1010,8 @@ xpc_allocate_recv_msg_slot_uv(struct xpc_channel *ch) continue; for (entry = 0; entry < nentries; entry++) { - msg_slot = ch_uv->recv_msg_slots + entry * - ch->entry_size; + msg_slot = ch_uv->recv_msg_slots + + entry * ch->entry_size; msg_slot->hdr.msg_slot_number = entry; } @@ -1308,9 +1308,8 @@ xpc_handle_notify_mq_msg_uv(struct xpc_partition *part, /* we're dealing with a normal message sent via the notify_mq */ ch_uv = &ch->sn.uv; - msg_slot = (struct xpc_notify_mq_msg_uv *)((u64)ch_uv->recv_msg_slots + - (msg->hdr.msg_slot_number % ch->remote_nentries) * - ch->entry_size); + msg_slot = ch_uv->recv_msg_slots + + (msg->hdr.msg_slot_number % ch->remote_nentries) * ch->entry_size; BUG_ON(msg->hdr.msg_slot_number != msg_slot->hdr.msg_slot_number); BUG_ON(msg_slot->hdr.size != 0); @@ -1423,7 +1422,7 @@ xpc_send_payload_uv(struct xpc_channel *ch, u32 flags, void *payload, atomic_inc(&ch->n_to_notify); msg_slot->key = key; - wmb(); /* a non-NULL func must hit memory after the key */ + smp_wmb(); /* a non-NULL func must hit memory after the key */ msg_slot->func = func; if (ch->flags & XPC_C_DISCONNECTING) { diff --git a/drivers/misc/sgi-xp/xpnet.c b/drivers/misc/sgi-xp/xpnet.c index 7957f52..6faefcf 100644 --- a/drivers/misc/sgi-xp/xpnet.c +++ b/drivers/misc/sgi-xp/xpnet.c @@ -3,7 +3,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 1999-2008 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 1999-2009 Silicon Graphics, Inc. All rights reserved. */ /* @@ -551,6 +551,7 @@ xpnet_init(void) netif_carrier_off(xpnet_device); + xpnet_device->netdev_ops = &xpnet_netdev_ops; xpnet_device->mtu = XPNET_DEF_MTU; /* diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index dfa585f..99d4b28 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -76,6 +76,16 @@ config MMC_OMAP If unsure, say N. +config MMC_OMAP_HS + tristate "TI OMAP High Speed Multimedia Card Interface support" + depends on ARCH_OMAP2430 || ARCH_OMAP3 + help + This selects the TI OMAP High Speed Multimedia card Interface. + If you have an OMAP2430 or OMAP3 board with a Multimedia Card slot, + say Y or M here. + + If unsure, say N. + config MMC_WBSD tristate "Winbond W83L51xD SD/MMC Card Interface support" depends on ISA_DMA_API @@ -135,6 +145,16 @@ config MMC_IMX If unsure, say N. +config MMC_MXC + tristate "Freescale i.MX2/3 Multimedia Card Interface support" + depends on ARCH_MXC + help + This selects the Freescale i.MX2/3 Multimedia card Interface. + If you have a i.MX platform with a Multimedia Card slot, + say Y or M here. + + If unsure, say N. + config MMC_TIFM_SD tristate "TI Flash Media MMC/SD Interface support (EXPERIMENTAL)" depends on EXPERIMENTAL && PCI diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index f485328..dedec55 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -9,12 +9,14 @@ endif obj-$(CONFIG_MMC_ARMMMCI) += mmci.o obj-$(CONFIG_MMC_PXA) += pxamci.o obj-$(CONFIG_MMC_IMX) += imxmmc.o +obj-$(CONFIG_MMC_MXC) += mxcmmc.o obj-$(CONFIG_MMC_SDHCI) += sdhci.o obj-$(CONFIG_MMC_SDHCI_PCI) += sdhci-pci.o obj-$(CONFIG_MMC_RICOH_MMC) += ricoh_mmc.o obj-$(CONFIG_MMC_WBSD) += wbsd.o obj-$(CONFIG_MMC_AU1X) += au1xmmc.o obj-$(CONFIG_MMC_OMAP) += omap.o +obj-$(CONFIG_MMC_OMAP_HS) += omap_hsmmc.o obj-$(CONFIG_MMC_AT91) += at91_mci.o obj-$(CONFIG_MMC_ATMELMCI) += atmel-mci.o obj-$(CONFIG_MMC_TIFM_SD) += tifm_sd.o diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 1bcbdd6..2909bbc8 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -430,6 +430,8 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) clk = 255; host->cclk = host->mclk / (2 * (clk + 1)); } + if (host->hw_designer == 0x80) + clk |= MCI_FCEN; /* Bug fix in ST IP block */ clk |= MCI_CLK_ENABLE; } @@ -440,15 +442,27 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) case MMC_POWER_OFF: break; case MMC_POWER_UP: - pwr |= MCI_PWR_UP; - break; + /* The ST version does not have this, fall through to POWER_ON */ + if (host->hw_designer != 0x80) { + pwr |= MCI_PWR_UP; + break; + } case MMC_POWER_ON: pwr |= MCI_PWR_ON; break; } - if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) - pwr |= MCI_ROD; + if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) { + if (host->hw_designer != 0x80) + pwr |= MCI_ROD; + else { + /* + * The ST Micro variant use the ROD bit for something + * else and only has OD (Open Drain). + */ + pwr |= MCI_OD; + } + } writel(clk, host->base + MMCICLOCK); @@ -500,6 +514,12 @@ static int mmci_probe(struct amba_device *dev, void *id) } host = mmc_priv(mmc); + /* Bits 12 thru 19 is the designer */ + host->hw_designer = (dev->periphid >> 12) & 0xff; + /* Bits 20 thru 23 is the revison */ + host->hw_revision = (dev->periphid >> 20) & 0xf; + DBG(host, "designer ID = 0x%02x\n", host->hw_designer); + DBG(host, "revision = 0x%01x\n", host->hw_revision); host->clk = clk_get(&dev->dev, NULL); if (IS_ERR(host->clk)) { ret = PTR_ERR(host->clk); @@ -693,6 +713,15 @@ static struct amba_id mmci_ids[] = { .id = 0x00041181, .mask = 0x000fffff, }, + /* ST Micro variants */ + { + .id = 0x00180180, + .mask = 0x00ffffff, + }, + { + .id = 0x00280180, + .mask = 0x00ffffff, + }, { 0, 0 }, }; diff --git a/drivers/mmc/host/mmci.h b/drivers/mmc/host/mmci.h index 0f39c49..0441bac 100644 --- a/drivers/mmc/host/mmci.h +++ b/drivers/mmc/host/mmci.h @@ -11,13 +11,23 @@ #define MCI_PWR_OFF 0x00 #define MCI_PWR_UP 0x02 #define MCI_PWR_ON 0x03 +#define MCI_DATA2DIREN (1 << 2) +#define MCI_CMDDIREN (1 << 3) +#define MCI_DATA0DIREN (1 << 4) +#define MCI_DATA31DIREN (1 << 5) #define MCI_OD (1 << 6) #define MCI_ROD (1 << 7) +/* The ST Micro version does not have ROD */ +#define MCI_FBCLKEN (1 << 7) +#define MCI_DATA74DIREN (1 << 8) #define MMCICLOCK 0x004 #define MCI_CLK_ENABLE (1 << 8) #define MCI_CLK_PWRSAVE (1 << 9) #define MCI_CLK_BYPASS (1 << 10) +#define MCI_WIDE_BUS (1 << 11) +/* HW flow control on the ST Micro version */ +#define MCI_FCEN (1 << 13) #define MMCIARGUMENT 0x008 #define MMCICOMMAND 0x00c @@ -26,6 +36,10 @@ #define MCI_CPSM_INTERRUPT (1 << 8) #define MCI_CPSM_PENDING (1 << 9) #define MCI_CPSM_ENABLE (1 << 10) +#define MCI_SDIO_SUSP (1 << 11) +#define MCI_ENCMD_COMPL (1 << 12) +#define MCI_NIEN (1 << 13) +#define MCI_CE_ATACMD (1 << 14) #define MMCIRESPCMD 0x010 #define MMCIRESPONSE0 0x014 @@ -39,6 +53,11 @@ #define MCI_DPSM_DIRECTION (1 << 1) #define MCI_DPSM_MODE (1 << 2) #define MCI_DPSM_DMAENABLE (1 << 3) +#define MCI_DPSM_BLOCKSIZE (1 << 4) +#define MCI_DPSM_RWSTART (1 << 8) +#define MCI_DPSM_RWSTOP (1 << 9) +#define MCI_DPSM_RWMOD (1 << 10) +#define MCI_DPSM_SDIOEN (1 << 11) #define MMCIDATACNT 0x030 #define MMCISTATUS 0x034 @@ -63,6 +82,8 @@ #define MCI_RXFIFOEMPTY (1 << 19) #define MCI_TXDATAAVLBL (1 << 20) #define MCI_RXDATAAVLBL (1 << 21) +#define MCI_SDIOIT (1 << 22) +#define MCI_CEATAEND (1 << 23) #define MMCICLEAR 0x038 #define MCI_CMDCRCFAILCLR (1 << 0) @@ -75,6 +96,8 @@ #define MCI_CMDSENTCLR (1 << 7) #define MCI_DATAENDCLR (1 << 8) #define MCI_DATABLOCKENDCLR (1 << 10) +#define MCI_SDIOITC (1 << 22) +#define MCI_CEATAENDC (1 << 23) #define MMCIMASK0 0x03c #define MCI_CMDCRCFAILMASK (1 << 0) @@ -98,6 +121,8 @@ #define MCI_RXFIFOEMPTYMASK (1 << 19) #define MCI_TXDATAAVLBLMASK (1 << 20) #define MCI_RXDATAAVLBLMASK (1 << 21) +#define MCI_SDIOITMASK (1 << 22) +#define MCI_CEATAENDMASK (1 << 23) #define MMCIMASK1 0x040 #define MMCIFIFOCNT 0x048 @@ -136,6 +161,9 @@ struct mmci_host { u32 pwr; struct mmc_platform_data *plat; + u8 hw_designer; + u8 hw_revision:4; + struct timer_list timer; unsigned int oldstat; diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c new file mode 100644 index 0000000..dda0be4 --- /dev/null +++ b/drivers/mmc/host/mxcmmc.c @@ -0,0 +1,880 @@ +/* + * linux/drivers/mmc/host/mxcmmc.c - Freescale i.MX MMCI driver + * + * This is a driver for the SDHC controller found in Freescale MX2/MX3 + * SoCs. It is basically the same hardware as found on MX1 (imxmmc.c). + * Unlike the hardware found on MX1, this hardware just works and does + * not need all the quirks found in imxmmc.c, hence the seperate driver. + * + * Copyright (C) 2008 Sascha Hauer, Pengutronix <s.hauer@pengutronix.de> + * Copyright (C) 2006 Pavel Pisa, PiKRON <ppisa@pikron.com> + * + * derived from pxamci.c by Russell King + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/platform_device.h> +#include <linux/interrupt.h> +#include <linux/irq.h> +#include <linux/blkdev.h> +#include <linux/dma-mapping.h> +#include <linux/mmc/host.h> +#include <linux/mmc/card.h> +#include <linux/delay.h> +#include <linux/clk.h> +#include <linux/io.h> +#include <linux/gpio.h> + +#include <asm/dma.h> +#include <asm/irq.h> +#include <asm/sizes.h> +#include <mach/mmc.h> + +#ifdef CONFIG_ARCH_MX2 +#include <mach/dma-mx1-mx2.h> +#define HAS_DMA +#endif + +#define DRIVER_NAME "imx-mmc" + +#define MMC_REG_STR_STP_CLK 0x00 +#define MMC_REG_STATUS 0x04 +#define MMC_REG_CLK_RATE 0x08 +#define MMC_REG_CMD_DAT_CONT 0x0C +#define MMC_REG_RES_TO 0x10 +#define MMC_REG_READ_TO 0x14 +#define MMC_REG_BLK_LEN 0x18 +#define MMC_REG_NOB 0x1C +#define MMC_REG_REV_NO 0x20 +#define MMC_REG_INT_CNTR 0x24 +#define MMC_REG_CMD 0x28 +#define MMC_REG_ARG 0x2C +#define MMC_REG_RES_FIFO 0x34 +#define MMC_REG_BUFFER_ACCESS 0x38 + +#define STR_STP_CLK_RESET (1 << 3) +#define STR_STP_CLK_START_CLK (1 << 1) +#define STR_STP_CLK_STOP_CLK (1 << 0) + +#define STATUS_CARD_INSERTION (1 << 31) +#define STATUS_CARD_REMOVAL (1 << 30) +#define STATUS_YBUF_EMPTY (1 << 29) +#define STATUS_XBUF_EMPTY (1 << 28) +#define STATUS_YBUF_FULL (1 << 27) +#define STATUS_XBUF_FULL (1 << 26) +#define STATUS_BUF_UND_RUN (1 << 25) +#define STATUS_BUF_OVFL (1 << 24) +#define STATUS_SDIO_INT_ACTIVE (1 << 14) +#define STATUS_END_CMD_RESP (1 << 13) +#define STATUS_WRITE_OP_DONE (1 << 12) +#define STATUS_DATA_TRANS_DONE (1 << 11) +#define STATUS_READ_OP_DONE (1 << 11) +#define STATUS_WR_CRC_ERROR_CODE_MASK (3 << 10) +#define STATUS_CARD_BUS_CLK_RUN (1 << 8) +#define STATUS_BUF_READ_RDY (1 << 7) +#define STATUS_BUF_WRITE_RDY (1 << 6) +#define STATUS_RESP_CRC_ERR (1 << 5) +#define STATUS_CRC_READ_ERR (1 << 3) +#define STATUS_CRC_WRITE_ERR (1 << 2) +#define STATUS_TIME_OUT_RESP (1 << 1) +#define STATUS_TIME_OUT_READ (1 << 0) +#define STATUS_ERR_MASK 0x2f + +#define CMD_DAT_CONT_CMD_RESP_LONG_OFF (1 << 12) +#define CMD_DAT_CONT_STOP_READWAIT (1 << 11) +#define CMD_DAT_CONT_START_READWAIT (1 << 10) +#define CMD_DAT_CONT_BUS_WIDTH_4 (2 << 8) +#define CMD_DAT_CONT_INIT (1 << 7) +#define CMD_DAT_CONT_WRITE (1 << 4) +#define CMD_DAT_CONT_DATA_ENABLE (1 << 3) +#define CMD_DAT_CONT_RESPONSE_48BIT_CRC (1 << 0) +#define CMD_DAT_CONT_RESPONSE_136BIT (2 << 0) +#define CMD_DAT_CONT_RESPONSE_48BIT (3 << 0) + +#define INT_SDIO_INT_WKP_EN (1 << 18) +#define INT_CARD_INSERTION_WKP_EN (1 << 17) +#define INT_CARD_REMOVAL_WKP_EN (1 << 16) +#define INT_CARD_INSERTION_EN (1 << 15) +#define INT_CARD_REMOVAL_EN (1 << 14) +#define INT_SDIO_IRQ_EN (1 << 13) +#define INT_DAT0_EN (1 << 12) +#define INT_BUF_READ_EN (1 << 4) +#define INT_BUF_WRITE_EN (1 << 3) +#define INT_END_CMD_RES_EN (1 << 2) +#define INT_WRITE_OP_DONE_EN (1 << 1) +#define INT_READ_OP_EN (1 << 0) + +struct mxcmci_host { + struct mmc_host *mmc; + struct resource *res; + void __iomem *base; + int irq; + int detect_irq; + int dma; + int do_dma; + unsigned int power_mode; + struct imxmmc_platform_data *pdata; + + struct mmc_request *req; + struct mmc_command *cmd; + struct mmc_data *data; + + unsigned int dma_nents; + unsigned int datasize; + unsigned int dma_dir; + + u16 rev_no; + unsigned int cmdat; + + struct clk *clk; + + int clock; + + struct work_struct datawork; +}; + +static inline int mxcmci_use_dma(struct mxcmci_host *host) +{ + return host->do_dma; +} + +static void mxcmci_softreset(struct mxcmci_host *host) +{ + int i; + + /* reset sequence */ + writew(STR_STP_CLK_RESET, host->base + MMC_REG_STR_STP_CLK); + writew(STR_STP_CLK_RESET | STR_STP_CLK_START_CLK, + host->base + MMC_REG_STR_STP_CLK); + + for (i = 0; i < 8; i++) + writew(STR_STP_CLK_START_CLK, host->base + MMC_REG_STR_STP_CLK); + + writew(0xff, host->base + MMC_REG_RES_TO); +} + +static void mxcmci_setup_data(struct mxcmci_host *host, struct mmc_data *data) +{ + unsigned int nob = data->blocks; + unsigned int blksz = data->blksz; + unsigned int datasize = nob * blksz; +#ifdef HAS_DMA + struct scatterlist *sg; + int i; +#endif + if (data->flags & MMC_DATA_STREAM) + nob = 0xffff; + + host->data = data; + data->bytes_xfered = 0; + + writew(nob, host->base + MMC_REG_NOB); + writew(blksz, host->base + MMC_REG_BLK_LEN); + host->datasize = datasize; + +#ifdef HAS_DMA + for_each_sg(data->sg, sg, data->sg_len, i) { + if (sg->offset & 3 || sg->length & 3) { + host->do_dma = 0; + return; + } + } + + if (data->flags & MMC_DATA_READ) { + host->dma_dir = DMA_FROM_DEVICE; + host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg, + data->sg_len, host->dma_dir); + + imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize, + host->res->start + MMC_REG_BUFFER_ACCESS, + DMA_MODE_READ); + } else { + host->dma_dir = DMA_TO_DEVICE; + host->dma_nents = dma_map_sg(mmc_dev(host->mmc), data->sg, + data->sg_len, host->dma_dir); + + imx_dma_setup_sg(host->dma, data->sg, host->dma_nents, datasize, + host->res->start + MMC_REG_BUFFER_ACCESS, + DMA_MODE_WRITE); + } + + wmb(); + + imx_dma_enable(host->dma); +#endif /* HAS_DMA */ +} + +static int mxcmci_start_cmd(struct mxcmci_host *host, struct mmc_command *cmd, + unsigned int cmdat) +{ + WARN_ON(host->cmd != NULL); + host->cmd = cmd; + + switch (mmc_resp_type(cmd)) { + case MMC_RSP_R1: /* short CRC, OPCODE */ + case MMC_RSP_R1B:/* short CRC, OPCODE, BUSY */ + cmdat |= CMD_DAT_CONT_RESPONSE_48BIT_CRC; + break; + case MMC_RSP_R2: /* long 136 bit + CRC */ + cmdat |= CMD_DAT_CONT_RESPONSE_136BIT; + break; + case MMC_RSP_R3: /* short */ + cmdat |= CMD_DAT_CONT_RESPONSE_48BIT; + break; + case MMC_RSP_NONE: + break; + default: + dev_err(mmc_dev(host->mmc), "unhandled response type 0x%x\n", + mmc_resp_type(cmd)); + cmd->error = -EINVAL; + return -EINVAL; + } + + if (mxcmci_use_dma(host)) + writel(INT_READ_OP_EN | INT_WRITE_OP_DONE_EN | + INT_END_CMD_RES_EN, + host->base + MMC_REG_INT_CNTR); + else + writel(INT_END_CMD_RES_EN, host->base + MMC_REG_INT_CNTR); + + writew(cmd->opcode, host->base + MMC_REG_CMD); + writel(cmd->arg, host->base + MMC_REG_ARG); + writew(cmdat, host->base + MMC_REG_CMD_DAT_CONT); + + return 0; +} + +static void mxcmci_finish_request(struct mxcmci_host *host, + struct mmc_request *req) +{ + writel(0, host->base + MMC_REG_INT_CNTR); + + host->req = NULL; + host->cmd = NULL; + host->data = NULL; + + mmc_request_done(host->mmc, req); +} + +static int mxcmci_finish_data(struct mxcmci_host *host, unsigned int stat) +{ + struct mmc_data *data = host->data; + int data_error; + +#ifdef HAS_DMA + if (mxcmci_use_dma(host)) { + imx_dma_disable(host->dma); + dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_nents, + host->dma_dir); + } +#endif + + if (stat & STATUS_ERR_MASK) { + dev_dbg(mmc_dev(host->mmc), "request failed. status: 0x%08x\n", + stat); + if (stat & STATUS_CRC_READ_ERR) { + data->error = -EILSEQ; + } else if (stat & STATUS_CRC_WRITE_ERR) { + u32 err_code = (stat >> 9) & 0x3; + if (err_code == 2) /* No CRC response */ + data->error = -ETIMEDOUT; + else + data->error = -EILSEQ; + } else if (stat & STATUS_TIME_OUT_READ) { + data->error = -ETIMEDOUT; + } else { + data->error = -EIO; + } + } else { + data->bytes_xfered = host->datasize; + } + + data_error = data->error; + + host->data = NULL; + + return data_error; +} + +static void mxcmci_read_response(struct mxcmci_host *host, unsigned int stat) +{ + struct mmc_command *cmd = host->cmd; + int i; + u32 a, b, c; + + if (!cmd) + return; + + if (stat & STATUS_TIME_OUT_RESP) { + dev_dbg(mmc_dev(host->mmc), "CMD TIMEOUT\n"); + cmd->error = -ETIMEDOUT; + } else if (stat & STATUS_RESP_CRC_ERR && cmd->flags & MMC_RSP_CRC) { + dev_dbg(mmc_dev(host->mmc), "cmd crc error\n"); + cmd->error = -EILSEQ; + } + + if (cmd->flags & MMC_RSP_PRESENT) { + if (cmd->flags & MMC_RSP_136) { + for (i = 0; i < 4; i++) { + a = readw(host->base + MMC_REG_RES_FIFO); + b = readw(host->base + MMC_REG_RES_FIFO); + cmd->resp[i] = a << 16 | b; + } + } else { + a = readw(host->base + MMC_REG_RES_FIFO); + b = readw(host->base + MMC_REG_RES_FIFO); + c = readw(host->base + MMC_REG_RES_FIFO); + cmd->resp[0] = a << 24 | b << 8 | c >> 8; + } + } +} + +static int mxcmci_poll_status(struct mxcmci_host *host, u32 mask) +{ + u32 stat; + unsigned long timeout = jiffies + HZ; + + do { + stat = readl(host->base + MMC_REG_STATUS); + if (stat & STATUS_ERR_MASK) + return stat; + if (time_after(jiffies, timeout)) + return STATUS_TIME_OUT_READ; + if (stat & mask) + return 0; + cpu_relax(); + } while (1); +} + +static int mxcmci_pull(struct mxcmci_host *host, void *_buf, int bytes) +{ + unsigned int stat; + u32 *buf = _buf; + + while (bytes > 3) { + stat = mxcmci_poll_status(host, + STATUS_BUF_READ_RDY | STATUS_READ_OP_DONE); + if (stat) + return stat; + *buf++ = readl(host->base + MMC_REG_BUFFER_ACCESS); + bytes -= 4; + } + + if (bytes) { + u8 *b = (u8 *)buf; + u32 tmp; + + stat = mxcmci_poll_status(host, + STATUS_BUF_READ_RDY | STATUS_READ_OP_DONE); + if (stat) + return stat; + tmp = readl(host->base + MMC_REG_BUFFER_ACCESS); + memcpy(b, &tmp, bytes); + } + + return 0; +} + +static int mxcmci_push(struct mxcmci_host *host, void *_buf, int bytes) +{ + unsigned int stat; + u32 *buf = _buf; + + while (bytes > 3) { + stat = mxcmci_poll_status(host, STATUS_BUF_WRITE_RDY); + if (stat) + return stat; + writel(*buf++, host->base + MMC_REG_BUFFER_ACCESS); + bytes -= 4; + } + + if (bytes) { + u8 *b = (u8 *)buf; + u32 tmp; + + stat = mxcmci_poll_status(host, STATUS_BUF_WRITE_RDY); + if (stat) + return stat; + + memcpy(&tmp, b, bytes); + writel(tmp, host->base + MMC_REG_BUFFER_ACCESS); + } + + stat = mxcmci_poll_status(host, STATUS_BUF_WRITE_RDY); + if (stat) + return stat; + + return 0; +} + +static int mxcmci_transfer_data(struct mxcmci_host *host) +{ + struct mmc_data *data = host->req->data; + struct scatterlist *sg; + int stat, i; + + host->datasize = 0; + + host->data = data; + host->datasize = 0; + + if (data->flags & MMC_DATA_READ) { + for_each_sg(data->sg, sg, data->sg_len, i) { + stat = mxcmci_pull(host, sg_virt(sg), sg->length); + if (stat) + return stat; + host->datasize += sg->length; + } + } else { + for_each_sg(data->sg, sg, data->sg_len, i) { + stat = mxcmci_push(host, sg_virt(sg), sg->length); + if (stat) + return stat; + host->datasize += sg->length; + } + stat = mxcmci_poll_status(host, STATUS_WRITE_OP_DONE); + if (stat) + return stat; + } + return 0; +} + +static void mxcmci_datawork(struct work_struct *work) +{ + struct mxcmci_host *host = container_of(work, struct mxcmci_host, + datawork); + int datastat = mxcmci_transfer_data(host); + mxcmci_finish_data(host, datastat); + + if (host->req->stop) { + if (mxcmci_start_cmd(host, host->req->stop, 0)) { + mxcmci_finish_request(host, host->req); + return; + } + } else { + mxcmci_finish_request(host, host->req); + } +} + +#ifdef HAS_DMA +static void mxcmci_data_done(struct mxcmci_host *host, unsigned int stat) +{ + struct mmc_data *data = host->data; + int data_error; + + if (!data) + return; + + data_error = mxcmci_finish_data(host, stat); + + mxcmci_read_response(host, stat); + host->cmd = NULL; + + if (host->req->stop) { + if (mxcmci_start_cmd(host, host->req->stop, 0)) { + mxcmci_finish_request(host, host->req); + return; + } + } else { + mxcmci_finish_request(host, host->req); + } +} +#endif /* HAS_DMA */ + +static void mxcmci_cmd_done(struct mxcmci_host *host, unsigned int stat) +{ + mxcmci_read_response(host, stat); + host->cmd = NULL; + + if (!host->data && host->req) { + mxcmci_finish_request(host, host->req); + return; + } + + /* For the DMA case the DMA engine handles the data transfer + * automatically. For non DMA we have to to it ourselves. + * Don't do it in interrupt context though. + */ + if (!mxcmci_use_dma(host) && host->data) + schedule_work(&host->datawork); + +} + +static irqreturn_t mxcmci_irq(int irq, void *devid) +{ + struct mxcmci_host *host = devid; + u32 stat; + + stat = readl(host->base + MMC_REG_STATUS); + writel(stat, host->base + MMC_REG_STATUS); + + dev_dbg(mmc_dev(host->mmc), "%s: 0x%08x\n", __func__, stat); + + if (stat & STATUS_END_CMD_RESP) + mxcmci_cmd_done(host, stat); +#ifdef HAS_DMA + if (mxcmci_use_dma(host) && + (stat & (STATUS_DATA_TRANS_DONE | STATUS_WRITE_OP_DONE))) + mxcmci_data_done(host, stat); +#endif + return IRQ_HANDLED; +} + +static void mxcmci_request(struct mmc_host *mmc, struct mmc_request *req) +{ + struct mxcmci_host *host = mmc_priv(mmc); + unsigned int cmdat = host->cmdat; + + WARN_ON(host->req != NULL); + + host->req = req; + host->cmdat &= ~CMD_DAT_CONT_INIT; +#ifdef HAS_DMA + host->do_dma = 1; +#endif + if (req->data) { + mxcmci_setup_data(host, req->data); + + cmdat |= CMD_DAT_CONT_DATA_ENABLE; + + if (req->data->flags & MMC_DATA_WRITE) + cmdat |= CMD_DAT_CONT_WRITE; + } + + if (mxcmci_start_cmd(host, req->cmd, cmdat)) + mxcmci_finish_request(host, req); +} + +static void mxcmci_set_clk_rate(struct mxcmci_host *host, unsigned int clk_ios) +{ + unsigned int divider; + int prescaler = 0; + unsigned int clk_in = clk_get_rate(host->clk); + + while (prescaler <= 0x800) { + for (divider = 1; divider <= 0xF; divider++) { + int x; + + x = (clk_in / (divider + 1)); + + if (prescaler) + x /= (prescaler * 2); + + if (x <= clk_ios) + break; + } + if (divider < 0x10) + break; + + if (prescaler == 0) + prescaler = 1; + else + prescaler <<= 1; + } + + writew((prescaler << 4) | divider, host->base + MMC_REG_CLK_RATE); + + dev_dbg(mmc_dev(host->mmc), "scaler: %d divider: %d in: %d out: %d\n", + prescaler, divider, clk_in, clk_ios); +} + +static void mxcmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) +{ + struct mxcmci_host *host = mmc_priv(mmc); +#ifdef HAS_DMA + unsigned int blen; + /* + * use burstlen of 64 in 4 bit mode (--> reg value 0) + * use burstlen of 16 in 1 bit mode (--> reg value 16) + */ + if (ios->bus_width == MMC_BUS_WIDTH_4) + blen = 0; + else + blen = 16; + + imx_dma_config_burstlen(host->dma, blen); +#endif + if (ios->bus_width == MMC_BUS_WIDTH_4) + host->cmdat |= CMD_DAT_CONT_BUS_WIDTH_4; + else + host->cmdat &= ~CMD_DAT_CONT_BUS_WIDTH_4; + + if (host->power_mode != ios->power_mode) { + if (host->pdata && host->pdata->setpower) + host->pdata->setpower(mmc_dev(mmc), ios->vdd); + host->power_mode = ios->power_mode; + if (ios->power_mode == MMC_POWER_ON) + host->cmdat |= CMD_DAT_CONT_INIT; + } + + if (ios->clock) { + mxcmci_set_clk_rate(host, ios->clock); + writew(STR_STP_CLK_START_CLK, host->base + MMC_REG_STR_STP_CLK); + } else { + writew(STR_STP_CLK_STOP_CLK, host->base + MMC_REG_STR_STP_CLK); + } + + host->clock = ios->clock; +} + +static irqreturn_t mxcmci_detect_irq(int irq, void *data) +{ + struct mmc_host *mmc = data; + + dev_dbg(mmc_dev(mmc), "%s\n", __func__); + + mmc_detect_change(mmc, msecs_to_jiffies(250)); + return IRQ_HANDLED; +} + +static int mxcmci_get_ro(struct mmc_host *mmc) +{ + struct mxcmci_host *host = mmc_priv(mmc); + + if (host->pdata && host->pdata->get_ro) + return !!host->pdata->get_ro(mmc_dev(mmc)); + /* + * Board doesn't support read only detection; let the mmc core + * decide what to do. + */ + return -ENOSYS; +} + + +static const struct mmc_host_ops mxcmci_ops = { + .request = mxcmci_request, + .set_ios = mxcmci_set_ios, + .get_ro = mxcmci_get_ro, +}; + +static int mxcmci_probe(struct platform_device *pdev) +{ + struct mmc_host *mmc; + struct mxcmci_host *host = NULL; + struct resource *r; + int ret = 0, irq; + + printk(KERN_INFO "i.MX SDHC driver\n"); + + r = platform_get_resource(pdev, IORESOURCE_MEM, 0); + irq = platform_get_irq(pdev, 0); + if (!r || irq < 0) + return -EINVAL; + + r = request_mem_region(r->start, resource_size(r), pdev->name); + if (!r) + return -EBUSY; + + mmc = mmc_alloc_host(sizeof(struct mxcmci_host), &pdev->dev); + if (!mmc) { + ret = -ENOMEM; + goto out_release_mem; + } + + mmc->ops = &mxcmci_ops; + mmc->caps = MMC_CAP_4_BIT_DATA; + + /* MMC core transfer sizes tunable parameters */ + mmc->max_hw_segs = 64; + mmc->max_phys_segs = 64; + mmc->max_blk_size = 2048; + mmc->max_blk_count = 65535; + mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count; + mmc->max_seg_size = mmc->max_seg_size; + + host = mmc_priv(mmc); + host->base = ioremap(r->start, resource_size(r)); + if (!host->base) { + ret = -ENOMEM; + goto out_free; + } + + host->mmc = mmc; + host->pdata = pdev->dev.platform_data; + + if (host->pdata && host->pdata->ocr_avail) + mmc->ocr_avail = host->pdata->ocr_avail; + else + mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34; + + host->res = r; + host->irq = irq; + + host->clk = clk_get(&pdev->dev, "sdhc_clk"); + if (IS_ERR(host->clk)) { + ret = PTR_ERR(host->clk); + goto out_iounmap; + } + clk_enable(host->clk); + + mxcmci_softreset(host); + + host->rev_no = readw(host->base + MMC_REG_REV_NO); + if (host->rev_no != 0x400) { + ret = -ENODEV; + dev_err(mmc_dev(host->mmc), "wrong rev.no. 0x%08x. aborting.\n", + host->rev_no); + goto out_clk_put; + } + + mmc->f_min = clk_get_rate(host->clk) >> 7; + mmc->f_max = clk_get_rate(host->clk) >> 1; + + /* recommended in data sheet */ + writew(0x2db4, host->base + MMC_REG_READ_TO); + + writel(0, host->base + MMC_REG_INT_CNTR); + +#ifdef HAS_DMA + host->dma = imx_dma_request_by_prio(DRIVER_NAME, DMA_PRIO_LOW); + if (host->dma < 0) { + dev_err(mmc_dev(host->mmc), "imx_dma_request_by_prio failed\n"); + ret = -EBUSY; + goto out_clk_put; + } + + r = platform_get_resource(pdev, IORESOURCE_DMA, 0); + if (!r) { + ret = -EINVAL; + goto out_free_dma; + } + + ret = imx_dma_config_channel(host->dma, + IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_FIFO, + IMX_DMA_MEMSIZE_32 | IMX_DMA_TYPE_LINEAR, + r->start, 0); + if (ret) { + dev_err(mmc_dev(host->mmc), "failed to config DMA channel\n"); + goto out_free_dma; + } +#endif + INIT_WORK(&host->datawork, mxcmci_datawork); + + ret = request_irq(host->irq, mxcmci_irq, 0, DRIVER_NAME, host); + if (ret) + goto out_free_dma; + + platform_set_drvdata(pdev, mmc); + + if (host->pdata && host->pdata->init) { + ret = host->pdata->init(&pdev->dev, mxcmci_detect_irq, + host->mmc); + if (ret) + goto out_free_irq; + } + + mmc_add_host(mmc); + + return 0; + +out_free_irq: + free_irq(host->irq, host); +out_free_dma: +#ifdef HAS_DMA + imx_dma_free(host->dma); +#endif +out_clk_put: + clk_disable(host->clk); + clk_put(host->clk); +out_iounmap: + iounmap(host->base); +out_free: + mmc_free_host(mmc); +out_release_mem: + release_mem_region(host->res->start, resource_size(host->res)); + return ret; +} + +static int mxcmci_remove(struct platform_device *pdev) +{ + struct mmc_host *mmc = platform_get_drvdata(pdev); + struct mxcmci_host *host = mmc_priv(mmc); + + platform_set_drvdata(pdev, NULL); + + mmc_remove_host(mmc); + + if (host->pdata && host->pdata->exit) + host->pdata->exit(&pdev->dev, mmc); + + free_irq(host->irq, host); + iounmap(host->base); +#ifdef HAS_DMA + imx_dma_free(host->dma); +#endif + clk_disable(host->clk); + clk_put(host->clk); + + release_mem_region(host->res->start, resource_size(host->res)); + release_resource(host->res); + + mmc_free_host(mmc); + + return 0; +} + +#ifdef CONFIG_PM +static int mxcmci_suspend(struct platform_device *dev, pm_message_t state) +{ + struct mmc_host *mmc = platform_get_drvdata(dev); + int ret = 0; + + if (mmc) + ret = mmc_suspend_host(mmc, state); + + return ret; +} + +static int mxcmci_resume(struct platform_device *dev) +{ + struct mmc_host *mmc = platform_get_drvdata(dev); + struct mxcmci_host *host; + int ret = 0; + + if (mmc) { + host = mmc_priv(mmc); + ret = mmc_resume_host(mmc); + } + + return ret; +} +#else +#define mxcmci_suspend NULL +#define mxcmci_resume NULL +#endif /* CONFIG_PM */ + +static struct platform_driver mxcmci_driver = { + .probe = mxcmci_probe, + .remove = mxcmci_remove, + .suspend = mxcmci_suspend, + .resume = mxcmci_resume, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + } +}; + +static int __init mxcmci_init(void) +{ + return platform_driver_register(&mxcmci_driver); +} + +static void __exit mxcmci_exit(void) +{ + platform_driver_unregister(&mxcmci_driver); +} + +module_init(mxcmci_init); +module_exit(mxcmci_exit); + +MODULE_DESCRIPTION("i.MX Multimedia Card Interface Driver"); +MODULE_AUTHOR("Sascha Hauer, Pengutronix"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:imx-mmc"); diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c new file mode 100644 index 0000000..db37490 --- /dev/null +++ b/drivers/mmc/host/omap_hsmmc.c @@ -0,0 +1,1242 @@ +/* + * drivers/mmc/host/omap_hsmmc.c + * + * Driver for OMAP2430/3430 MMC controller. + * + * Copyright (C) 2007 Texas Instruments. + * + * Authors: + * Syed Mohammed Khasim <x0khasim@ti.com> + * Madhusudhan <madhu.cr@ti.com> + * Mohit Jalori <mjalori@ti.com> + * + * This file is licensed under the terms of the GNU General Public License + * version 2. This program is licensed "as is" without any warranty of any + * kind, whether express or implied. + */ + +#include <linux/module.h> +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/delay.h> +#include <linux/dma-mapping.h> +#include <linux/platform_device.h> +#include <linux/workqueue.h> +#include <linux/timer.h> +#include <linux/clk.h> +#include <linux/mmc/host.h> +#include <linux/io.h> +#include <linux/semaphore.h> +#include <mach/dma.h> +#include <mach/hardware.h> +#include <mach/board.h> +#include <mach/mmc.h> +#include <mach/cpu.h> + +/* OMAP HSMMC Host Controller Registers */ +#define OMAP_HSMMC_SYSCONFIG 0x0010 +#define OMAP_HSMMC_CON 0x002C +#define OMAP_HSMMC_BLK 0x0104 +#define OMAP_HSMMC_ARG 0x0108 +#define OMAP_HSMMC_CMD 0x010C +#define OMAP_HSMMC_RSP10 0x0110 +#define OMAP_HSMMC_RSP32 0x0114 +#define OMAP_HSMMC_RSP54 0x0118 +#define OMAP_HSMMC_RSP76 0x011C +#define OMAP_HSMMC_DATA 0x0120 +#define OMAP_HSMMC_HCTL 0x0128 +#define OMAP_HSMMC_SYSCTL 0x012C +#define OMAP_HSMMC_STAT 0x0130 +#define OMAP_HSMMC_IE 0x0134 +#define OMAP_HSMMC_ISE 0x0138 +#define OMAP_HSMMC_CAPA 0x0140 + +#define VS18 (1 << 26) +#define VS30 (1 << 25) +#define SDVS18 (0x5 << 9) +#define SDVS30 (0x6 << 9) +#define SDVSCLR 0xFFFFF1FF +#define SDVSDET 0x00000400 +#define AUTOIDLE 0x1 +#define SDBP (1 << 8) +#define DTO 0xe +#define ICE 0x1 +#define ICS 0x2 +#define CEN (1 << 2) +#define CLKD_MASK 0x0000FFC0 +#define CLKD_SHIFT 6 +#define DTO_MASK 0x000F0000 +#define DTO_SHIFT 16 +#define INT_EN_MASK 0x307F0033 +#define INIT_STREAM (1 << 1) +#define DP_SELECT (1 << 21) +#define DDIR (1 << 4) +#define DMA_EN 0x1 +#define MSBS (1 << 5) +#define BCE (1 << 1) +#define FOUR_BIT (1 << 1) +#define CC 0x1 +#define TC 0x02 +#define OD 0x1 +#define ERR (1 << 15) +#define CMD_TIMEOUT (1 << 16) +#define DATA_TIMEOUT (1 << 20) +#define CMD_CRC (1 << 17) +#define DATA_CRC (1 << 21) +#define CARD_ERR (1 << 28) +#define STAT_CLEAR 0xFFFFFFFF +#define INIT_STREAM_CMD 0x00000000 +#define DUAL_VOLT_OCR_BIT 7 +#define SRC (1 << 25) +#define SRD (1 << 26) + +/* + * FIXME: Most likely all the data using these _DEVID defines should come + * from the platform_data, or implemented in controller and slot specific + * functions. + */ +#define OMAP_MMC1_DEVID 0 +#define OMAP_MMC2_DEVID 1 + +#define OMAP_MMC_DATADIR_NONE 0 +#define OMAP_MMC_DATADIR_READ 1 +#define OMAP_MMC_DATADIR_WRITE 2 +#define MMC_TIMEOUT_MS 20 +#define OMAP_MMC_MASTER_CLOCK 96000000 +#define DRIVER_NAME "mmci-omap-hs" + +/* + * One controller can have multiple slots, like on some omap boards using + * omap.c controller driver. Luckily this is not currently done on any known + * omap_hsmmc.c device. + */ +#define mmc_slot(host) (host->pdata->slots[host->slot_id]) + +/* + * MMC Host controller read/write API's + */ +#define OMAP_HSMMC_READ(base, reg) \ + __raw_readl((base) + OMAP_HSMMC_##reg) + +#define OMAP_HSMMC_WRITE(base, reg, val) \ + __raw_writel((val), (base) + OMAP_HSMMC_##reg) + +struct mmc_omap_host { + struct device *dev; + struct mmc_host *mmc; + struct mmc_request *mrq; + struct mmc_command *cmd; + struct mmc_data *data; + struct clk *fclk; + struct clk *iclk; + struct clk *dbclk; + struct semaphore sem; + struct work_struct mmc_carddetect_work; + void __iomem *base; + resource_size_t mapbase; + unsigned int id; + unsigned int dma_len; + unsigned int dma_dir; + unsigned char bus_mode; + unsigned char datadir; + u32 *buffer; + u32 bytesleft; + int suspended; + int irq; + int carddetect; + int use_dma, dma_ch; + int initstr; + int slot_id; + int dbclk_enabled; + struct omap_mmc_platform_data *pdata; +}; + +/* + * Stop clock to the card + */ +static void omap_mmc_stop_clock(struct mmc_omap_host *host) +{ + OMAP_HSMMC_WRITE(host->base, SYSCTL, + OMAP_HSMMC_READ(host->base, SYSCTL) & ~CEN); + if ((OMAP_HSMMC_READ(host->base, SYSCTL) & CEN) != 0x0) + dev_dbg(mmc_dev(host->mmc), "MMC Clock is not stoped\n"); +} + +/* + * Send init stream sequence to card + * before sending IDLE command + */ +static void send_init_stream(struct mmc_omap_host *host) +{ + int reg = 0; + unsigned long timeout; + + disable_irq(host->irq); + OMAP_HSMMC_WRITE(host->base, CON, + OMAP_HSMMC_READ(host->base, CON) | INIT_STREAM); + OMAP_HSMMC_WRITE(host->base, CMD, INIT_STREAM_CMD); + + timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS); + while ((reg != CC) && time_before(jiffies, timeout)) + reg = OMAP_HSMMC_READ(host->base, STAT) & CC; + + OMAP_HSMMC_WRITE(host->base, CON, + OMAP_HSMMC_READ(host->base, CON) & ~INIT_STREAM); + enable_irq(host->irq); +} + +static inline +int mmc_omap_cover_is_closed(struct mmc_omap_host *host) +{ + int r = 1; + + if (host->pdata->slots[host->slot_id].get_cover_state) + r = host->pdata->slots[host->slot_id].get_cover_state(host->dev, + host->slot_id); + return r; +} + +static ssize_t +mmc_omap_show_cover_switch(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct mmc_host *mmc = container_of(dev, struct mmc_host, class_dev); + struct mmc_omap_host *host = mmc_priv(mmc); + + return sprintf(buf, "%s\n", mmc_omap_cover_is_closed(host) ? "closed" : + "open"); +} + +static DEVICE_ATTR(cover_switch, S_IRUGO, mmc_omap_show_cover_switch, NULL); + +static ssize_t +mmc_omap_show_slot_name(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct mmc_host *mmc = container_of(dev, struct mmc_host, class_dev); + struct mmc_omap_host *host = mmc_priv(mmc); + struct omap_mmc_slot_data slot = host->pdata->slots[host->slot_id]; + + return sprintf(buf, "slot:%s\n", slot.name); +} + +static DEVICE_ATTR(slot_name, S_IRUGO, mmc_omap_show_slot_name, NULL); + +/* + * Configure the response type and send the cmd. + */ +static void +mmc_omap_start_command(struct mmc_omap_host *host, struct mmc_command *cmd, + struct mmc_data *data) +{ + int cmdreg = 0, resptype = 0, cmdtype = 0; + + dev_dbg(mmc_dev(host->mmc), "%s: CMD%d, argument 0x%08x\n", + mmc_hostname(host->mmc), cmd->opcode, cmd->arg); + host->cmd = cmd; + + /* + * Clear status bits and enable interrupts + */ + OMAP_HSMMC_WRITE(host->base, STAT, STAT_CLEAR); + OMAP_HSMMC_WRITE(host->base, ISE, INT_EN_MASK); + OMAP_HSMMC_WRITE(host->base, IE, INT_EN_MASK); + + if (cmd->flags & MMC_RSP_PRESENT) { + if (cmd->flags & MMC_RSP_136) + resptype = 1; + else + resptype = 2; + } + + /* + * Unlike OMAP1 controller, the cmdtype does not seem to be based on + * ac, bc, adtc, bcr. Only commands ending an open ended transfer need + * a val of 0x3, rest 0x0. + */ + if (cmd == host->mrq->stop) + cmdtype = 0x3; + + cmdreg = (cmd->opcode << 24) | (resptype << 16) | (cmdtype << 22); + + if (data) { + cmdreg |= DP_SELECT | MSBS | BCE; + if (data->flags & MMC_DATA_READ) + cmdreg |= DDIR; + else + cmdreg &= ~(DDIR); + } + + if (host->use_dma) + cmdreg |= DMA_EN; + + OMAP_HSMMC_WRITE(host->base, ARG, cmd->arg); + OMAP_HSMMC_WRITE(host->base, CMD, cmdreg); +} + +/* + * Notify the transfer complete to MMC core + */ +static void +mmc_omap_xfer_done(struct mmc_omap_host *host, struct mmc_data *data) +{ + host->data = NULL; + + if (host->use_dma && host->dma_ch != -1) + dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->dma_len, + host->dma_dir); + + host->datadir = OMAP_MMC_DATADIR_NONE; + + if (!data->error) + data->bytes_xfered += data->blocks * (data->blksz); + else + data->bytes_xfered = 0; + + if (!data->stop) { + host->mrq = NULL; + mmc_request_done(host->mmc, data->mrq); + return; + } + mmc_omap_start_command(host, data->stop, NULL); +} + +/* + * Notify the core about command completion + */ +static void +mmc_omap_cmd_done(struct mmc_omap_host *host, struct mmc_command *cmd) +{ + host->cmd = NULL; + + if (cmd->flags & MMC_RSP_PRESENT) { + if (cmd->flags & MMC_RSP_136) { + /* response type 2 */ + cmd->resp[3] = OMAP_HSMMC_READ(host->base, RSP10); + cmd->resp[2] = OMAP_HSMMC_READ(host->base, RSP32); + cmd->resp[1] = OMAP_HSMMC_READ(host->base, RSP54); + cmd->resp[0] = OMAP_HSMMC_READ(host->base, RSP76); + } else { + /* response types 1, 1b, 3, 4, 5, 6 */ + cmd->resp[0] = OMAP_HSMMC_READ(host->base, RSP10); + } + } + if (host->data == NULL || cmd->error) { + host->mrq = NULL; + mmc_request_done(host->mmc, cmd->mrq); + } +} + +/* + * DMA clean up for command errors + */ +static void mmc_dma_cleanup(struct mmc_omap_host *host) +{ + host->data->error = -ETIMEDOUT; + + if (host->use_dma && host->dma_ch != -1) { + dma_unmap_sg(mmc_dev(host->mmc), host->data->sg, host->dma_len, + host->dma_dir); + omap_free_dma(host->dma_ch); + host->dma_ch = -1; + up(&host->sem); + } + host->data = NULL; + host->datadir = OMAP_MMC_DATADIR_NONE; +} + +/* + * Readable error output + */ +#ifdef CONFIG_MMC_DEBUG +static void mmc_omap_report_irq(struct mmc_omap_host *host, u32 status) +{ + /* --- means reserved bit without definition at documentation */ + static const char *mmc_omap_status_bits[] = { + "CC", "TC", "BGE", "---", "BWR", "BRR", "---", "---", "CIRQ", + "OBI", "---", "---", "---", "---", "---", "ERRI", "CTO", "CCRC", + "CEB", "CIE", "DTO", "DCRC", "DEB", "---", "ACE", "---", + "---", "---", "---", "CERR", "CERR", "BADA", "---", "---", "---" + }; + char res[256]; + char *buf = res; + int len, i; + + len = sprintf(buf, "MMC IRQ 0x%x :", status); + buf += len; + + for (i = 0; i < ARRAY_SIZE(mmc_omap_status_bits); i++) + if (status & (1 << i)) { + len = sprintf(buf, " %s", mmc_omap_status_bits[i]); + buf += len; + } + + dev_dbg(mmc_dev(host->mmc), "%s\n", res); +} +#endif /* CONFIG_MMC_DEBUG */ + + +/* + * MMC controller IRQ handler + */ +static irqreturn_t mmc_omap_irq(int irq, void *dev_id) +{ + struct mmc_omap_host *host = dev_id; + struct mmc_data *data; + int end_cmd = 0, end_trans = 0, status; + + if (host->cmd == NULL && host->data == NULL) { + OMAP_HSMMC_WRITE(host->base, STAT, + OMAP_HSMMC_READ(host->base, STAT)); + return IRQ_HANDLED; + } + + data = host->data; + status = OMAP_HSMMC_READ(host->base, STAT); + dev_dbg(mmc_dev(host->mmc), "IRQ Status is %x\n", status); + + if (status & ERR) { +#ifdef CONFIG_MMC_DEBUG + mmc_omap_report_irq(host, status); +#endif + if ((status & CMD_TIMEOUT) || + (status & CMD_CRC)) { + if (host->cmd) { + if (status & CMD_TIMEOUT) { + OMAP_HSMMC_WRITE(host->base, SYSCTL, + OMAP_HSMMC_READ(host->base, + SYSCTL) | SRC); + while (OMAP_HSMMC_READ(host->base, + SYSCTL) & SRC) + ; + + host->cmd->error = -ETIMEDOUT; + } else { + host->cmd->error = -EILSEQ; + } + end_cmd = 1; + } + if (host->data) + mmc_dma_cleanup(host); + } + if ((status & DATA_TIMEOUT) || + (status & DATA_CRC)) { + if (host->data) { + if (status & DATA_TIMEOUT) + mmc_dma_cleanup(host); + else + host->data->error = -EILSEQ; + OMAP_HSMMC_WRITE(host->base, SYSCTL, + OMAP_HSMMC_READ(host->base, + SYSCTL) | SRD); + while (OMAP_HSMMC_READ(host->base, + SYSCTL) & SRD) + ; + end_trans = 1; + } + } + if (status & CARD_ERR) { + dev_dbg(mmc_dev(host->mmc), + "Ignoring card err CMD%d\n", host->cmd->opcode); + if (host->cmd) + end_cmd = 1; + if (host->data) + end_trans = 1; + } + } + + OMAP_HSMMC_WRITE(host->base, STAT, status); + + if (end_cmd || (status & CC)) + mmc_omap_cmd_done(host, host->cmd); + if (end_trans || (status & TC)) + mmc_omap_xfer_done(host, data); + + return IRQ_HANDLED; +} + +/* + * Switch MMC operating voltage + */ +static int omap_mmc_switch_opcond(struct mmc_omap_host *host, int vdd) +{ + u32 reg_val = 0; + int ret; + + /* Disable the clocks */ + clk_disable(host->fclk); + clk_disable(host->iclk); + clk_disable(host->dbclk); + + /* Turn the power off */ + ret = mmc_slot(host).set_power(host->dev, host->slot_id, 0, 0); + if (ret != 0) + goto err; + + /* Turn the power ON with given VDD 1.8 or 3.0v */ + ret = mmc_slot(host).set_power(host->dev, host->slot_id, 1, vdd); + if (ret != 0) + goto err; + + clk_enable(host->fclk); + clk_enable(host->iclk); + clk_enable(host->dbclk); + + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) & SDVSCLR); + reg_val = OMAP_HSMMC_READ(host->base, HCTL); + /* + * If a MMC dual voltage card is detected, the set_ios fn calls + * this fn with VDD bit set for 1.8V. Upon card removal from the + * slot, omap_mmc_set_ios sets the VDD back to 3V on MMC_POWER_OFF. + * + * Only MMC1 supports 3.0V. MMC2 will not function if SDVS30 is + * set in HCTL. + */ + if (host->id == OMAP_MMC1_DEVID && (((1 << vdd) == MMC_VDD_32_33) || + ((1 << vdd) == MMC_VDD_33_34))) + reg_val |= SDVS30; + if ((1 << vdd) == MMC_VDD_165_195) + reg_val |= SDVS18; + + OMAP_HSMMC_WRITE(host->base, HCTL, reg_val); + + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) | SDBP); + + return 0; +err: + dev_dbg(mmc_dev(host->mmc), "Unable to switch operating voltage\n"); + return ret; +} + +/* + * Work Item to notify the core about card insertion/removal + */ +static void mmc_omap_detect(struct work_struct *work) +{ + struct mmc_omap_host *host = container_of(work, struct mmc_omap_host, + mmc_carddetect_work); + + sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch"); + if (host->carddetect) { + mmc_detect_change(host->mmc, (HZ * 200) / 1000); + } else { + OMAP_HSMMC_WRITE(host->base, SYSCTL, + OMAP_HSMMC_READ(host->base, SYSCTL) | SRD); + while (OMAP_HSMMC_READ(host->base, SYSCTL) & SRD) + ; + + mmc_detect_change(host->mmc, (HZ * 50) / 1000); + } +} + +/* + * ISR for handling card insertion and removal + */ +static irqreturn_t omap_mmc_cd_handler(int irq, void *dev_id) +{ + struct mmc_omap_host *host = (struct mmc_omap_host *)dev_id; + + host->carddetect = mmc_slot(host).card_detect(irq); + schedule_work(&host->mmc_carddetect_work); + + return IRQ_HANDLED; +} + +/* + * DMA call back function + */ +static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data) +{ + struct mmc_omap_host *host = data; + + if (ch_status & OMAP2_DMA_MISALIGNED_ERR_IRQ) + dev_dbg(mmc_dev(host->mmc), "MISALIGNED_ADRS_ERR\n"); + + if (host->dma_ch < 0) + return; + + omap_free_dma(host->dma_ch); + host->dma_ch = -1; + /* + * DMA Callback: run in interrupt context. + * mutex_unlock will through a kernel warning if used. + */ + up(&host->sem); +} + +/* + * Configure dma src and destination parameters + */ +static int mmc_omap_config_dma_param(int sync_dir, struct mmc_omap_host *host, + struct mmc_data *data) +{ + if (sync_dir == 0) { + omap_set_dma_dest_params(host->dma_ch, 0, + OMAP_DMA_AMODE_CONSTANT, + (host->mapbase + OMAP_HSMMC_DATA), 0, 0); + omap_set_dma_src_params(host->dma_ch, 0, + OMAP_DMA_AMODE_POST_INC, + sg_dma_address(&data->sg[0]), 0, 0); + } else { + omap_set_dma_src_params(host->dma_ch, 0, + OMAP_DMA_AMODE_CONSTANT, + (host->mapbase + OMAP_HSMMC_DATA), 0, 0); + omap_set_dma_dest_params(host->dma_ch, 0, + OMAP_DMA_AMODE_POST_INC, + sg_dma_address(&data->sg[0]), 0, 0); + } + return 0; +} +/* + * Routine to configure and start DMA for the MMC card + */ +static int +mmc_omap_start_dma_transfer(struct mmc_omap_host *host, struct mmc_request *req) +{ + int sync_dev, sync_dir = 0; + int dma_ch = 0, ret = 0, err = 1; + struct mmc_data *data = req->data; + + /* + * If for some reason the DMA transfer is still active, + * we wait for timeout period and free the dma + */ + if (host->dma_ch != -1) { + set_current_state(TASK_UNINTERRUPTIBLE); + schedule_timeout(100); + if (down_trylock(&host->sem)) { + omap_free_dma(host->dma_ch); + host->dma_ch = -1; + up(&host->sem); + return err; + } + } else { + if (down_trylock(&host->sem)) + return err; + } + + if (!(data->flags & MMC_DATA_WRITE)) { + host->dma_dir = DMA_FROM_DEVICE; + if (host->id == OMAP_MMC1_DEVID) + sync_dev = OMAP24XX_DMA_MMC1_RX; + else + sync_dev = OMAP24XX_DMA_MMC2_RX; + } else { + host->dma_dir = DMA_TO_DEVICE; + if (host->id == OMAP_MMC1_DEVID) + sync_dev = OMAP24XX_DMA_MMC1_TX; + else + sync_dev = OMAP24XX_DMA_MMC2_TX; + } + + ret = omap_request_dma(sync_dev, "MMC/SD", mmc_omap_dma_cb, + host, &dma_ch); + if (ret != 0) { + dev_dbg(mmc_dev(host->mmc), + "%s: omap_request_dma() failed with %d\n", + mmc_hostname(host->mmc), ret); + return ret; + } + + host->dma_len = dma_map_sg(mmc_dev(host->mmc), data->sg, + data->sg_len, host->dma_dir); + host->dma_ch = dma_ch; + + if (!(data->flags & MMC_DATA_WRITE)) + mmc_omap_config_dma_param(1, host, data); + else + mmc_omap_config_dma_param(0, host, data); + + if ((data->blksz % 4) == 0) + omap_set_dma_transfer_params(dma_ch, OMAP_DMA_DATA_TYPE_S32, + (data->blksz / 4), data->blocks, OMAP_DMA_SYNC_FRAME, + sync_dev, sync_dir); + else + /* REVISIT: The MMC buffer increments only when MSB is written. + * Return error for blksz which is non multiple of four. + */ + return -EINVAL; + + omap_start_dma(dma_ch); + return 0; +} + +static void set_data_timeout(struct mmc_omap_host *host, + struct mmc_request *req) +{ + unsigned int timeout, cycle_ns; + uint32_t reg, clkd, dto = 0; + + reg = OMAP_HSMMC_READ(host->base, SYSCTL); + clkd = (reg & CLKD_MASK) >> CLKD_SHIFT; + if (clkd == 0) + clkd = 1; + + cycle_ns = 1000000000 / (clk_get_rate(host->fclk) / clkd); + timeout = req->data->timeout_ns / cycle_ns; + timeout += req->data->timeout_clks; + if (timeout) { + while ((timeout & 0x80000000) == 0) { + dto += 1; + timeout <<= 1; + } + dto = 31 - dto; + timeout <<= 1; + if (timeout && dto) + dto += 1; + if (dto >= 13) + dto -= 13; + else + dto = 0; + if (dto > 14) + dto = 14; + } + + reg &= ~DTO_MASK; + reg |= dto << DTO_SHIFT; + OMAP_HSMMC_WRITE(host->base, SYSCTL, reg); +} + +/* + * Configure block length for MMC/SD cards and initiate the transfer. + */ +static int +mmc_omap_prepare_data(struct mmc_omap_host *host, struct mmc_request *req) +{ + int ret; + host->data = req->data; + + if (req->data == NULL) { + host->datadir = OMAP_MMC_DATADIR_NONE; + OMAP_HSMMC_WRITE(host->base, BLK, 0); + return 0; + } + + OMAP_HSMMC_WRITE(host->base, BLK, (req->data->blksz) + | (req->data->blocks << 16)); + set_data_timeout(host, req); + + host->datadir = (req->data->flags & MMC_DATA_WRITE) ? + OMAP_MMC_DATADIR_WRITE : OMAP_MMC_DATADIR_READ; + + if (host->use_dma) { + ret = mmc_omap_start_dma_transfer(host, req); + if (ret != 0) { + dev_dbg(mmc_dev(host->mmc), "MMC start dma failure\n"); + return ret; + } + } + return 0; +} + +/* + * Request function. for read/write operation + */ +static void omap_mmc_request(struct mmc_host *mmc, struct mmc_request *req) +{ + struct mmc_omap_host *host = mmc_priv(mmc); + + WARN_ON(host->mrq != NULL); + host->mrq = req; + mmc_omap_prepare_data(host, req); + mmc_omap_start_command(host, req->cmd, req->data); +} + + +/* Routine to configure clock values. Exposed API to core */ +static void omap_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) +{ + struct mmc_omap_host *host = mmc_priv(mmc); + u16 dsor = 0; + unsigned long regval; + unsigned long timeout; + + switch (ios->power_mode) { + case MMC_POWER_OFF: + mmc_slot(host).set_power(host->dev, host->slot_id, 0, 0); + /* + * Reset bus voltage to 3V if it got set to 1.8V earlier. + * REVISIT: If we are able to detect cards after unplugging + * a 1.8V card, this code should not be needed. + */ + if (!(OMAP_HSMMC_READ(host->base, HCTL) & SDVSDET)) { + int vdd = fls(host->mmc->ocr_avail) - 1; + if (omap_mmc_switch_opcond(host, vdd) != 0) + host->mmc->ios.vdd = vdd; + } + break; + case MMC_POWER_UP: + mmc_slot(host).set_power(host->dev, host->slot_id, 1, ios->vdd); + break; + } + + switch (mmc->ios.bus_width) { + case MMC_BUS_WIDTH_4: + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) | FOUR_BIT); + break; + case MMC_BUS_WIDTH_1: + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) & ~FOUR_BIT); + break; + } + + if (host->id == OMAP_MMC1_DEVID) { + /* Only MMC1 can operate at 3V/1.8V */ + if ((OMAP_HSMMC_READ(host->base, HCTL) & SDVSDET) && + (ios->vdd == DUAL_VOLT_OCR_BIT)) { + /* + * The mmc_select_voltage fn of the core does + * not seem to set the power_mode to + * MMC_POWER_UP upon recalculating the voltage. + * vdd 1.8v. + */ + if (omap_mmc_switch_opcond(host, ios->vdd) != 0) + dev_dbg(mmc_dev(host->mmc), + "Switch operation failed\n"); + } + } + + if (ios->clock) { + dsor = OMAP_MMC_MASTER_CLOCK / ios->clock; + if (dsor < 1) + dsor = 1; + + if (OMAP_MMC_MASTER_CLOCK / dsor > ios->clock) + dsor++; + + if (dsor > 250) + dsor = 250; + } + omap_mmc_stop_clock(host); + regval = OMAP_HSMMC_READ(host->base, SYSCTL); + regval = regval & ~(CLKD_MASK); + regval = regval | (dsor << 6) | (DTO << 16); + OMAP_HSMMC_WRITE(host->base, SYSCTL, regval); + OMAP_HSMMC_WRITE(host->base, SYSCTL, + OMAP_HSMMC_READ(host->base, SYSCTL) | ICE); + + /* Wait till the ICS bit is set */ + timeout = jiffies + msecs_to_jiffies(MMC_TIMEOUT_MS); + while ((OMAP_HSMMC_READ(host->base, SYSCTL) & ICS) != 0x2 + && time_before(jiffies, timeout)) + msleep(1); + + OMAP_HSMMC_WRITE(host->base, SYSCTL, + OMAP_HSMMC_READ(host->base, SYSCTL) | CEN); + + if (ios->power_mode == MMC_POWER_ON) + send_init_stream(host); + + if (ios->bus_mode == MMC_BUSMODE_OPENDRAIN) + OMAP_HSMMC_WRITE(host->base, CON, + OMAP_HSMMC_READ(host->base, CON) | OD); +} + +static int omap_hsmmc_get_cd(struct mmc_host *mmc) +{ + struct mmc_omap_host *host = mmc_priv(mmc); + struct omap_mmc_platform_data *pdata = host->pdata; + + if (!pdata->slots[0].card_detect) + return -ENOSYS; + return pdata->slots[0].card_detect(pdata->slots[0].card_detect_irq); +} + +static int omap_hsmmc_get_ro(struct mmc_host *mmc) +{ + struct mmc_omap_host *host = mmc_priv(mmc); + struct omap_mmc_platform_data *pdata = host->pdata; + + if (!pdata->slots[0].get_ro) + return -ENOSYS; + return pdata->slots[0].get_ro(host->dev, 0); +} + +static struct mmc_host_ops mmc_omap_ops = { + .request = omap_mmc_request, + .set_ios = omap_mmc_set_ios, + .get_cd = omap_hsmmc_get_cd, + .get_ro = omap_hsmmc_get_ro, + /* NYET -- enable_sdio_irq */ +}; + +static int __init omap_mmc_probe(struct platform_device *pdev) +{ + struct omap_mmc_platform_data *pdata = pdev->dev.platform_data; + struct mmc_host *mmc; + struct mmc_omap_host *host = NULL; + struct resource *res; + int ret = 0, irq; + u32 hctl, capa; + + if (pdata == NULL) { + dev_err(&pdev->dev, "Platform Data is missing\n"); + return -ENXIO; + } + + if (pdata->nr_slots == 0) { + dev_err(&pdev->dev, "No Slots\n"); + return -ENXIO; + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + irq = platform_get_irq(pdev, 0); + if (res == NULL || irq < 0) + return -ENXIO; + + res = request_mem_region(res->start, res->end - res->start + 1, + pdev->name); + if (res == NULL) + return -EBUSY; + + mmc = mmc_alloc_host(sizeof(struct mmc_omap_host), &pdev->dev); + if (!mmc) { + ret = -ENOMEM; + goto err; + } + + host = mmc_priv(mmc); + host->mmc = mmc; + host->pdata = pdata; + host->dev = &pdev->dev; + host->use_dma = 1; + host->dev->dma_mask = &pdata->dma_mask; + host->dma_ch = -1; + host->irq = irq; + host->id = pdev->id; + host->slot_id = 0; + host->mapbase = res->start; + host->base = ioremap(host->mapbase, SZ_4K); + + platform_set_drvdata(pdev, host); + INIT_WORK(&host->mmc_carddetect_work, mmc_omap_detect); + + mmc->ops = &mmc_omap_ops; + mmc->f_min = 400000; + mmc->f_max = 52000000; + + sema_init(&host->sem, 1); + + host->iclk = clk_get(&pdev->dev, "mmchs_ick"); + if (IS_ERR(host->iclk)) { + ret = PTR_ERR(host->iclk); + host->iclk = NULL; + goto err1; + } + host->fclk = clk_get(&pdev->dev, "mmchs_fck"); + if (IS_ERR(host->fclk)) { + ret = PTR_ERR(host->fclk); + host->fclk = NULL; + clk_put(host->iclk); + goto err1; + } + + if (clk_enable(host->fclk) != 0) { + clk_put(host->iclk); + clk_put(host->fclk); + goto err1; + } + + if (clk_enable(host->iclk) != 0) { + clk_disable(host->fclk); + clk_put(host->iclk); + clk_put(host->fclk); + goto err1; + } + + host->dbclk = clk_get(&pdev->dev, "mmchsdb_fck"); + /* + * MMC can still work without debounce clock. + */ + if (IS_ERR(host->dbclk)) + dev_warn(mmc_dev(host->mmc), "Failed to get debounce clock\n"); + else + if (clk_enable(host->dbclk) != 0) + dev_dbg(mmc_dev(host->mmc), "Enabling debounce" + " clk failed\n"); + else + host->dbclk_enabled = 1; + +#ifdef CONFIG_MMC_BLOCK_BOUNCE + mmc->max_phys_segs = 1; + mmc->max_hw_segs = 1; +#endif + mmc->max_blk_size = 512; /* Block Length at max can be 1024 */ + mmc->max_blk_count = 0xFFFF; /* No. of Blocks is 16 bits */ + mmc->max_req_size = mmc->max_blk_size * mmc->max_blk_count; + mmc->max_seg_size = mmc->max_req_size; + + mmc->ocr_avail = mmc_slot(host).ocr_mask; + mmc->caps |= MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED; + + if (pdata->slots[host->slot_id].wires >= 4) + mmc->caps |= MMC_CAP_4_BIT_DATA; + + /* Only MMC1 supports 3.0V */ + if (host->id == OMAP_MMC1_DEVID) { + hctl = SDVS30; + capa = VS30 | VS18; + } else { + hctl = SDVS18; + capa = VS18; + } + + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) | hctl); + + OMAP_HSMMC_WRITE(host->base, CAPA, + OMAP_HSMMC_READ(host->base, CAPA) | capa); + + /* Set the controller to AUTO IDLE mode */ + OMAP_HSMMC_WRITE(host->base, SYSCONFIG, + OMAP_HSMMC_READ(host->base, SYSCONFIG) | AUTOIDLE); + + /* Set SD bus power bit */ + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) | SDBP); + + /* Request IRQ for MMC operations */ + ret = request_irq(host->irq, mmc_omap_irq, IRQF_DISABLED, + mmc_hostname(mmc), host); + if (ret) { + dev_dbg(mmc_dev(host->mmc), "Unable to grab HSMMC IRQ\n"); + goto err_irq; + } + + if (pdata->init != NULL) { + if (pdata->init(&pdev->dev) != 0) { + dev_dbg(mmc_dev(host->mmc), + "Unable to configure MMC IRQs\n"); + goto err_irq_cd_init; + } + } + + /* Request IRQ for card detect */ + if ((mmc_slot(host).card_detect_irq) && (mmc_slot(host).card_detect)) { + ret = request_irq(mmc_slot(host).card_detect_irq, + omap_mmc_cd_handler, + IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING + | IRQF_DISABLED, + mmc_hostname(mmc), host); + if (ret) { + dev_dbg(mmc_dev(host->mmc), + "Unable to grab MMC CD IRQ\n"); + goto err_irq_cd; + } + } + + OMAP_HSMMC_WRITE(host->base, ISE, INT_EN_MASK); + OMAP_HSMMC_WRITE(host->base, IE, INT_EN_MASK); + + mmc_add_host(mmc); + + if (host->pdata->slots[host->slot_id].name != NULL) { + ret = device_create_file(&mmc->class_dev, &dev_attr_slot_name); + if (ret < 0) + goto err_slot_name; + } + if (mmc_slot(host).card_detect_irq && mmc_slot(host).card_detect && + host->pdata->slots[host->slot_id].get_cover_state) { + ret = device_create_file(&mmc->class_dev, + &dev_attr_cover_switch); + if (ret < 0) + goto err_cover_switch; + } + + return 0; + +err_cover_switch: + device_remove_file(&mmc->class_dev, &dev_attr_cover_switch); +err_slot_name: + mmc_remove_host(mmc); +err_irq_cd: + free_irq(mmc_slot(host).card_detect_irq, host); +err_irq_cd_init: + free_irq(host->irq, host); +err_irq: + clk_disable(host->fclk); + clk_disable(host->iclk); + clk_put(host->fclk); + clk_put(host->iclk); + if (host->dbclk_enabled) { + clk_disable(host->dbclk); + clk_put(host->dbclk); + } + +err1: + iounmap(host->base); +err: + dev_dbg(mmc_dev(host->mmc), "Probe Failed\n"); + release_mem_region(res->start, res->end - res->start + 1); + if (host) + mmc_free_host(mmc); + return ret; +} + +static int omap_mmc_remove(struct platform_device *pdev) +{ + struct mmc_omap_host *host = platform_get_drvdata(pdev); + struct resource *res; + + if (host) { + mmc_remove_host(host->mmc); + if (host->pdata->cleanup) + host->pdata->cleanup(&pdev->dev); + free_irq(host->irq, host); + if (mmc_slot(host).card_detect_irq) + free_irq(mmc_slot(host).card_detect_irq, host); + flush_scheduled_work(); + + clk_disable(host->fclk); + clk_disable(host->iclk); + clk_put(host->fclk); + clk_put(host->iclk); + if (host->dbclk_enabled) { + clk_disable(host->dbclk); + clk_put(host->dbclk); + } + + mmc_free_host(host->mmc); + iounmap(host->base); + } + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (res) + release_mem_region(res->start, res->end - res->start + 1); + platform_set_drvdata(pdev, NULL); + + return 0; +} + +#ifdef CONFIG_PM +static int omap_mmc_suspend(struct platform_device *pdev, pm_message_t state) +{ + int ret = 0; + struct mmc_omap_host *host = platform_get_drvdata(pdev); + + if (host && host->suspended) + return 0; + + if (host) { + ret = mmc_suspend_host(host->mmc, state); + if (ret == 0) { + host->suspended = 1; + + OMAP_HSMMC_WRITE(host->base, ISE, 0); + OMAP_HSMMC_WRITE(host->base, IE, 0); + + if (host->pdata->suspend) { + ret = host->pdata->suspend(&pdev->dev, + host->slot_id); + if (ret) + dev_dbg(mmc_dev(host->mmc), + "Unable to handle MMC board" + " level suspend\n"); + } + + if (!(OMAP_HSMMC_READ(host->base, HCTL) & SDVSDET)) { + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) + & SDVSCLR); + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) + | SDVS30); + OMAP_HSMMC_WRITE(host->base, HCTL, + OMAP_HSMMC_READ(host->base, HCTL) + | SDBP); + } + + clk_disable(host->fclk); + clk_disable(host->iclk); + clk_disable(host->dbclk); + } + + } + return ret; +} + +/* Routine to resume the MMC device */ +static int omap_mmc_resume(struct platform_device *pdev) +{ + int ret = 0; + struct mmc_omap_host *host = platform_get_drvdata(pdev); + + if (host && !host->suspended) + return 0; + + if (host) { + + ret = clk_enable(host->fclk); + if (ret) + goto clk_en_err; + + ret = clk_enable(host->iclk); + if (ret) { + clk_disable(host->fclk); + clk_put(host->fclk); + goto clk_en_err; + } + + if (clk_enable(host->dbclk) != 0) + dev_dbg(mmc_dev(host->mmc), + "Enabling debounce clk failed\n"); + + if (host->pdata->resume) { + ret = host->pdata->resume(&pdev->dev, host->slot_id); + if (ret) + dev_dbg(mmc_dev(host->mmc), + "Unmask interrupt failed\n"); + } + + /* Notify the core to resume the host */ + ret = mmc_resume_host(host->mmc); + if (ret == 0) + host->suspended = 0; + } + + return ret; + +clk_en_err: + dev_dbg(mmc_dev(host->mmc), + "Failed to enable MMC clocks during resume\n"); + return ret; +} + +#else +#define omap_mmc_suspend NULL +#define omap_mmc_resume NULL +#endif + +static struct platform_driver omap_mmc_driver = { + .probe = omap_mmc_probe, + .remove = omap_mmc_remove, + .suspend = omap_mmc_suspend, + .resume = omap_mmc_resume, + .driver = { + .name = DRIVER_NAME, + .owner = THIS_MODULE, + }, +}; + +static int __init omap_mmc_init(void) +{ + /* Register the MMC driver */ + return platform_driver_register(&omap_mmc_driver); +} + +static void __exit omap_mmc_cleanup(void) +{ + /* Unregister MMC driver */ + platform_driver_unregister(&omap_mmc_driver); +} + +module_init(omap_mmc_init); +module_exit(omap_mmc_cleanup); + +MODULE_DESCRIPTION("OMAP High Speed Multimedia Card driver"); +MODULE_LICENSE("GPL"); +MODULE_ALIAS("platform:" DRIVER_NAME); +MODULE_AUTHOR("Texas Instruments Inc"); diff --git a/drivers/mmc/host/pxamci.c b/drivers/mmc/host/pxamci.c index 3c5483b..9702ad3 100644 --- a/drivers/mmc/host/pxamci.c +++ b/drivers/mmc/host/pxamci.c @@ -180,7 +180,15 @@ static void pxamci_setup_data(struct pxamci_host *host, struct mmc_data *data) else DALGN &= ~(1 << host->dma); DDADR(host->dma) = host->sg_dma; - DCSR(host->dma) = DCSR_RUN; + + /* + * workaround for erratum #91: + * only start DMA now if we are doing a read, + * otherwise we wait until CMD/RESP has finished + * before starting DMA. + */ + if (!cpu_is_pxa27x() || data->flags & MMC_DATA_READ) + DCSR(host->dma) = DCSR_RUN; } static void pxamci_start_cmd(struct pxamci_host *host, struct mmc_command *cmd, unsigned int cmdat) @@ -251,23 +259,28 @@ static int pxamci_cmd_done(struct pxamci_host *host, unsigned int stat) if (stat & STAT_TIME_OUT_RESPONSE) { cmd->error = -ETIMEDOUT; } else if (stat & STAT_RES_CRC_ERR && cmd->flags & MMC_RSP_CRC) { -#ifdef CONFIG_PXA27x /* * workaround for erratum #42: * Intel PXA27x Family Processor Specification Update Rev 001 * A bogus CRC error can appear if the msb of a 136 bit * response is a one. */ - if (cmd->flags & MMC_RSP_136 && cmd->resp[0] & 0x80000000) { + if (cpu_is_pxa27x() && + (cmd->flags & MMC_RSP_136 && cmd->resp[0] & 0x80000000)) pr_debug("ignoring CRC from command %d - *risky*\n", cmd->opcode); - } else -#endif - cmd->error = -EILSEQ; + else + cmd->error = -EILSEQ; } pxamci_disable_irq(host, END_CMD_RES); if (host->data && !cmd->error) { pxamci_enable_irq(host, DATA_TRAN_DONE); + /* + * workaround for erratum #91, if doing write + * enable DMA late + */ + if (cpu_is_pxa27x() && host->data->flags & MMC_DATA_WRITE) + DCSR(host->dma) = DCSR_RUN; } else { pxamci_finish_request(host, host->mrq); } diff --git a/drivers/mmc/host/ricoh_mmc.c b/drivers/mmc/host/ricoh_mmc.c index be9e7b3..f627905 100644 --- a/drivers/mmc/host/ricoh_mmc.c +++ b/drivers/mmc/host/ricoh_mmc.c @@ -196,7 +196,7 @@ static void __devexit ricoh_mmc_remove(struct pci_dev *pdev) pci_set_drvdata(pdev, NULL); } -static int ricoh_mmc_suspend(struct pci_dev *pdev, pm_message_t state) +static int ricoh_mmc_suspend_late(struct pci_dev *pdev, pm_message_t state) { struct pci_dev *fw_dev = NULL; @@ -210,7 +210,7 @@ static int ricoh_mmc_suspend(struct pci_dev *pdev, pm_message_t state) return 0; } -static int ricoh_mmc_resume(struct pci_dev *pdev) +static int ricoh_mmc_resume_early(struct pci_dev *pdev) { struct pci_dev *fw_dev = NULL; @@ -229,8 +229,8 @@ static struct pci_driver ricoh_mmc_driver = { .id_table = pci_ids, .probe = ricoh_mmc_probe, .remove = __devexit_p(ricoh_mmc_remove), - .suspend = ricoh_mmc_suspend, - .resume = ricoh_mmc_resume, + .suspend_late = ricoh_mmc_suspend_late, + .resume_early = ricoh_mmc_resume_early, }; /*****************************************************************************\ diff --git a/drivers/mmc/host/s3cmci.c b/drivers/mmc/host/s3cmci.c index fcc98a4..35a98ee 100644 --- a/drivers/mmc/host/s3cmci.c +++ b/drivers/mmc/host/s3cmci.c @@ -20,7 +20,7 @@ #include <linux/irq.h> #include <linux/io.h> -#include <asm/dma.h> +#include <mach/dma.h> #include <mach/regs-sdi.h> #include <mach/regs-gpio.h> diff --git a/drivers/mtd/maps/sa1100-flash.c b/drivers/mtd/maps/sa1100-flash.c index 7df6bbf..6f6a0f6 100644 --- a/drivers/mtd/maps/sa1100-flash.c +++ b/drivers/mtd/maps/sa1100-flash.c @@ -453,7 +453,7 @@ static struct platform_driver sa1100_mtd_driver = { .resume = sa1100_mtd_resume, .shutdown = sa1100_mtd_shutdown, .driver = { - .name = "flash", + .name = "sa1100-mtd", .owner = THIS_MODULE, }, }; @@ -474,4 +474,4 @@ module_exit(sa1100_mtd_exit); MODULE_AUTHOR("Nicolas Pitre"); MODULE_DESCRIPTION("SA1100 CFI map driver"); MODULE_LICENSE("GPL"); -MODULE_ALIAS("platform:flash"); +MODULE_ALIAS("platform:sa1100-mtd"); diff --git a/drivers/mtd/nand/fsl_elbc_nand.c b/drivers/mtd/nand/fsl_elbc_nand.c index 65929db..1f6eb25 100644 --- a/drivers/mtd/nand/fsl_elbc_nand.c +++ b/drivers/mtd/nand/fsl_elbc_nand.c @@ -676,7 +676,7 @@ static int fsl_elbc_chip_init_tail(struct mtd_info *mtd) dev_dbg(ctrl->dev, "fsl_elbc_init: nand->numchips = %d\n", chip->numchips); - dev_dbg(ctrl->dev, "fsl_elbc_init: nand->chipsize = %ld\n", + dev_dbg(ctrl->dev, "fsl_elbc_init: nand->chipsize = %lld\n", chip->chipsize); dev_dbg(ctrl->dev, "fsl_elbc_init: nand->pagemask = %8x\n", chip->pagemask); @@ -703,7 +703,7 @@ static int fsl_elbc_chip_init_tail(struct mtd_info *mtd) dev_dbg(ctrl->dev, "fsl_elbc_init: nand->ecc.layout = %p\n", chip->ecc.layout); dev_dbg(ctrl->dev, "fsl_elbc_init: mtd->flags = %08x\n", mtd->flags); - dev_dbg(ctrl->dev, "fsl_elbc_init: mtd->size = %d\n", mtd->size); + dev_dbg(ctrl->dev, "fsl_elbc_init: mtd->size = %lld\n", mtd->size); dev_dbg(ctrl->dev, "fsl_elbc_init: mtd->erasesize = %d\n", mtd->erasesize); dev_dbg(ctrl->dev, "fsl_elbc_init: mtd->writesize = %d\n", @@ -932,8 +932,8 @@ static int __devinit fsl_elbc_chip_probe(struct fsl_elbc_ctrl *ctrl, #endif add_mtd_device(&priv->mtd); - printk(KERN_INFO "eLBC NAND device at 0x%zx, bank %d\n", - res.start, priv->bank); + printk(KERN_INFO "eLBC NAND device at 0x%llx, bank %d\n", + (unsigned long long)res.start, priv->bank); return 0; err: diff --git a/drivers/mtd/nand/pasemi_nand.c b/drivers/mtd/nand/pasemi_nand.c index 9bd6c9a..a8b9376 100644 --- a/drivers/mtd/nand/pasemi_nand.c +++ b/drivers/mtd/nand/pasemi_nand.c @@ -107,7 +107,7 @@ static int __devinit pasemi_nand_probe(struct of_device *ofdev, if (pasemi_nand_mtd) return -ENODEV; - pr_debug("pasemi_nand at %lx-%lx\n", res.start, res.end); + pr_debug("pasemi_nand at %llx-%llx\n", res.start, res.end); /* Allocate memory for MTD device structure and private data */ pasemi_nand_mtd = kzalloc(sizeof(struct mtd_info) + @@ -170,7 +170,7 @@ static int __devinit pasemi_nand_probe(struct of_device *ofdev, goto out_lpc; } - printk(KERN_INFO "PA Semi NAND flash at %08lx, control at I/O %x\n", + printk(KERN_INFO "PA Semi NAND flash at %08llx, control at I/O %x\n", res.start, lpcctl); return 0; diff --git a/drivers/mtd/onenand/omap2.c b/drivers/mtd/onenand/omap2.c index 96ecc17..77a4f14 100644 --- a/drivers/mtd/onenand/omap2.c +++ b/drivers/mtd/onenand/omap2.c @@ -629,7 +629,7 @@ static int __devinit omap2_onenand_probe(struct platform_device *pdev) } if (c->gpio_irq) { - if ((r = omap_request_gpio(c->gpio_irq)) < 0) { + if ((r = gpio_request(c->gpio_irq, "OneNAND irq")) < 0) { dev_err(&pdev->dev, "Failed to request GPIO%d for " "OneNAND\n", c->gpio_irq); goto err_iounmap; @@ -726,7 +726,7 @@ err_release_dma: free_irq(gpio_to_irq(c->gpio_irq), c); err_release_gpio: if (c->gpio_irq) - omap_free_gpio(c->gpio_irq); + gpio_free(c->gpio_irq); err_iounmap: iounmap(c->onenand.base); err_release_mem_region: @@ -761,7 +761,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev) platform_set_drvdata(pdev, NULL); if (c->gpio_irq) { free_irq(gpio_to_irq(c->gpio_irq), c); - omap_free_gpio(c->gpio_irq); + gpio_free(c->gpio_irq); } iounmap(c->onenand.base); release_mem_region(c->phys_base, ONENAND_IO_SIZE); diff --git a/drivers/mtd/ubi/Kconfig.debug b/drivers/mtd/ubi/Kconfig.debug index 1e2ee22..2246f15 100644 --- a/drivers/mtd/ubi/Kconfig.debug +++ b/drivers/mtd/ubi/Kconfig.debug @@ -33,16 +33,6 @@ config MTD_UBI_DEBUG_DISABLE_BGT This option switches the background thread off by default. The thread may be also be enabled/disabled via UBI sysfs. -config MTD_UBI_DEBUG_USERSPACE_IO - bool "Direct user-space write/erase support" - default n - depends on MTD_UBI_DEBUG - help - By default, users cannot directly write and erase individual - eraseblocks of dynamic volumes, and have to use update operation - instead. This option enables this capability - it is very useful for - debugging and testing. - config MTD_UBI_DEBUG_EMULATE_BITFLIPS bool "Emulate flash bit-flips" depends on MTD_UBI_DEBUG diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 9082768..4048db8 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c @@ -263,8 +263,12 @@ static ssize_t dev_attribute_show(struct device *dev, return ret; } -/* Fake "release" method for UBI devices */ -static void dev_release(struct device *dev) { } +static void dev_release(struct device *dev) +{ + struct ubi_device *ubi = container_of(dev, struct ubi_device, dev); + + kfree(ubi); +} /** * ubi_sysfs_init - initialize sysfs for an UBI device. @@ -380,7 +384,7 @@ static void free_user_volumes(struct ubi_device *ubi) */ static int uif_init(struct ubi_device *ubi) { - int i, err, do_free = 0; + int i, err; dev_t dev; sprintf(ubi->ubi_name, UBI_NAME_STR "%d", ubi->ubi_num); @@ -427,13 +431,10 @@ static int uif_init(struct ubi_device *ubi) out_volumes: kill_volumes(ubi); - do_free = 0; out_sysfs: ubi_sysfs_close(ubi); cdev_del(&ubi->cdev); out_unreg: - if (do_free) - free_user_volumes(ubi); unregister_chrdev_region(ubi->cdev.dev, ubi->vtbl_slots + 1); ubi_err("cannot initialize UBI %s, error %d", ubi->ubi_name, err); return err; @@ -947,6 +948,12 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway) if (ubi->bgt_thread) kthread_stop(ubi->bgt_thread); + /* + * Get a reference to the device in order to prevent 'dev_release()' + * from freeing @ubi object. + */ + get_device(&ubi->dev); + uif_close(ubi); ubi_wl_close(ubi); free_internal_volumes(ubi); @@ -958,7 +965,7 @@ int ubi_detach_mtd_dev(int ubi_num, int anyway) vfree(ubi->dbg_peb_buf); #endif ubi_msg("mtd%d is detached from ubi%d", ubi->mtd->index, ubi->ubi_num); - kfree(ubi); + put_device(&ubi->dev); return 0; } diff --git a/drivers/mtd/ubi/cdev.c b/drivers/mtd/ubi/cdev.c index 98cf31e..e63c8fc 100644 --- a/drivers/mtd/ubi/cdev.c +++ b/drivers/mtd/ubi/cdev.c @@ -40,9 +40,9 @@ #include <linux/ioctl.h> #include <linux/capability.h> #include <linux/uaccess.h> -#include <linux/smp_lock.h> +#include <linux/compat.h> +#include <linux/math64.h> #include <mtd/ubi-user.h> -#include <asm/div64.h> #include "ubi.h" /** @@ -195,7 +195,6 @@ static ssize_t vol_cdev_read(struct file *file, __user char *buf, size_t count, int err, lnum, off, len, tbuf_size; size_t count_save = count; void *tbuf; - uint64_t tmp; dbg_gen("read %zd bytes from offset %lld of volume %d", count, *offp, vol->vol_id); @@ -225,10 +224,7 @@ static ssize_t vol_cdev_read(struct file *file, __user char *buf, size_t count, return -ENOMEM; len = count > tbuf_size ? tbuf_size : count; - - tmp = *offp; - off = do_div(tmp, vol->usable_leb_size); - lnum = tmp; + lnum = div_u64_rem(*offp, vol->usable_leb_size, &off); do { cond_resched(); @@ -263,12 +259,9 @@ static ssize_t vol_cdev_read(struct file *file, __user char *buf, size_t count, return err ? err : count_save - count; } -#ifdef CONFIG_MTD_UBI_DEBUG_USERSPACE_IO - /* * This function allows to directly write to dynamic UBI volumes, without - * issuing the volume update operation. Available only as a debugging feature. - * Very useful for testing UBI. + * issuing the volume update operation. */ static ssize_t vol_cdev_direct_write(struct file *file, const char __user *buf, size_t count, loff_t *offp) @@ -279,7 +272,9 @@ static ssize_t vol_cdev_direct_write(struct file *file, const char __user *buf, int lnum, off, len, tbuf_size, err = 0; size_t count_save = count; char *tbuf; - uint64_t tmp; + + if (!vol->direct_writes) + return -EPERM; dbg_gen("requested: write %zd bytes to offset %lld of volume %u", count, *offp, vol->vol_id); @@ -287,10 +282,7 @@ static ssize_t vol_cdev_direct_write(struct file *file, const char __user *buf, if (vol->vol_type == UBI_STATIC_VOLUME) return -EROFS; - tmp = *offp; - off = do_div(tmp, vol->usable_leb_size); - lnum = tmp; - + lnum = div_u64_rem(*offp, vol->usable_leb_size, &off); if (off & (ubi->min_io_size - 1)) { dbg_err("unaligned position"); return -EINVAL; @@ -347,10 +339,6 @@ static ssize_t vol_cdev_direct_write(struct file *file, const char __user *buf, return err ? err : count_save - count; } -#else -#define vol_cdev_direct_write(file, buf, count, offp) (-EPERM) -#endif /* CONFIG_MTD_UBI_DEBUG_USERSPACE_IO */ - static ssize_t vol_cdev_write(struct file *file, const char __user *buf, size_t count, loff_t *offp) { @@ -402,8 +390,8 @@ static ssize_t vol_cdev_write(struct file *file, const char __user *buf, return count; } -static int vol_cdev_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long vol_cdev_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { int err = 0; struct ubi_volume_desc *desc = file->private_data; @@ -487,7 +475,6 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file, break; } -#ifdef CONFIG_MTD_UBI_DEBUG_USERSPACE_IO /* Logical eraseblock erasure command */ case UBI_IOCEBER: { @@ -518,13 +505,77 @@ static int vol_cdev_ioctl(struct inode *inode, struct file *file, err = ubi_wl_flush(ubi); break; } -#endif + + /* Logical eraseblock map command */ + case UBI_IOCEBMAP: + { + struct ubi_map_req req; + + err = copy_from_user(&req, argp, sizeof(struct ubi_map_req)); + if (err) { + err = -EFAULT; + break; + } + err = ubi_leb_map(desc, req.lnum, req.dtype); + break; + } + + /* Logical eraseblock un-map command */ + case UBI_IOCEBUNMAP: + { + int32_t lnum; + + err = get_user(lnum, (__user int32_t *)argp); + if (err) { + err = -EFAULT; + break; + } + err = ubi_leb_unmap(desc, lnum); + break; + } + + /* Check if logical eraseblock is mapped command */ + case UBI_IOCEBISMAP: + { + int32_t lnum; + + err = get_user(lnum, (__user int32_t *)argp); + if (err) { + err = -EFAULT; + break; + } + err = ubi_is_mapped(desc, lnum); + break; + } + + /* Set volume property command*/ + case UBI_IOCSETPROP: + { + struct ubi_set_prop_req req; + + err = copy_from_user(&req, argp, + sizeof(struct ubi_set_prop_req)); + if (err) { + err = -EFAULT; + break; + } + switch (req.property) { + case UBI_PROP_DIRECT_WRITE: + mutex_lock(&ubi->volumes_mutex); + desc->vol->direct_writes = !!req.value; + mutex_unlock(&ubi->volumes_mutex); + break; + default: + err = -EINVAL; + break; + } + break; + } default: err = -ENOTTY; break; } - return err; } @@ -762,8 +813,8 @@ out_free: return err; } -static int ubi_cdev_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long ubi_cdev_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { int err = 0; struct ubi_device *ubi; @@ -773,7 +824,7 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file, if (!capable(CAP_SYS_RESOURCE)) return -EPERM; - ubi = ubi_get_by_major(imajor(inode)); + ubi = ubi_get_by_major(imajor(file->f_mapping->host)); if (!ubi) return -ENODEV; @@ -843,7 +894,6 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file, case UBI_IOCRSVOL: { int pebs; - uint64_t tmp; struct ubi_rsvol_req req; dbg_gen("re-size volume"); @@ -863,9 +913,8 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file, break; } - tmp = req.bytes; - pebs = !!do_div(tmp, desc->vol->usable_leb_size); - pebs += tmp; + pebs = div_u64(req.bytes + desc->vol->usable_leb_size - 1, + desc->vol->usable_leb_size); mutex_lock(&ubi->volumes_mutex); err = ubi_resize_volume(desc, pebs); @@ -909,8 +958,8 @@ static int ubi_cdev_ioctl(struct inode *inode, struct file *file, return err; } -static int ctrl_cdev_ioctl(struct inode *inode, struct file *file, - unsigned int cmd, unsigned long arg) +static long ctrl_cdev_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) { int err = 0; void __user *argp = (void __user *)arg; @@ -986,26 +1035,59 @@ static int ctrl_cdev_ioctl(struct inode *inode, struct file *file, return err; } -/* UBI control character device operations */ -struct file_operations ubi_ctrl_cdev_operations = { - .ioctl = ctrl_cdev_ioctl, - .owner = THIS_MODULE, +#ifdef CONFIG_COMPAT +static long vol_cdev_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + unsigned long translated_arg = (unsigned long)compat_ptr(arg); + + return vol_cdev_ioctl(file, cmd, translated_arg); +} + +static long ubi_cdev_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + unsigned long translated_arg = (unsigned long)compat_ptr(arg); + + return ubi_cdev_ioctl(file, cmd, translated_arg); +} + +static long ctrl_cdev_compat_ioctl(struct file *file, unsigned int cmd, + unsigned long arg) +{ + unsigned long translated_arg = (unsigned long)compat_ptr(arg); + + return ctrl_cdev_ioctl(file, cmd, translated_arg); +} +#else +#define vol_cdev_compat_ioctl NULL +#define ubi_cdev_compat_ioctl NULL +#define ctrl_cdev_compat_ioctl NULL +#endif + +/* UBI volume character device operations */ +const struct file_operations ubi_vol_cdev_operations = { + .owner = THIS_MODULE, + .open = vol_cdev_open, + .release = vol_cdev_release, + .llseek = vol_cdev_llseek, + .read = vol_cdev_read, + .write = vol_cdev_write, + .unlocked_ioctl = vol_cdev_ioctl, + .compat_ioctl = vol_cdev_compat_ioctl, }; /* UBI character device operations */ -struct file_operations ubi_cdev_operations = { - .owner = THIS_MODULE, - .ioctl = ubi_cdev_ioctl, - .llseek = no_llseek, +const struct file_operations ubi_cdev_operations = { + .owner = THIS_MODULE, + .llseek = no_llseek, + .unlocked_ioctl = ubi_cdev_ioctl, + .compat_ioctl = ubi_cdev_compat_ioctl, }; -/* UBI volume character device operations */ -struct file_operations ubi_vol_cdev_operations = { - .owner = THIS_MODULE, - .open = vol_cdev_open, - .release = vol_cdev_release, - .llseek = vol_cdev_llseek, - .read = vol_cdev_read, - .write = vol_cdev_write, - .ioctl = vol_cdev_ioctl, +/* UBI control character device operations */ +const struct file_operations ubi_ctrl_cdev_operations = { + .owner = THIS_MODULE, + .unlocked_ioctl = ctrl_cdev_ioctl, + .compat_ioctl = ctrl_cdev_compat_ioctl, }; diff --git a/drivers/mtd/ubi/gluebi.c b/drivers/mtd/ubi/gluebi.c index 6dd4f5e..49cd55a 100644 --- a/drivers/mtd/ubi/gluebi.c +++ b/drivers/mtd/ubi/gluebi.c @@ -28,7 +28,7 @@ * eraseblock size is equivalent to the logical eraseblock size of the volume. */ -#include <asm/div64.h> +#include <linux/math64.h> #include "ubi.h" /** @@ -109,7 +109,6 @@ static int gluebi_read(struct mtd_info *mtd, loff_t from, size_t len, int err = 0, lnum, offs, total_read; struct ubi_volume *vol; struct ubi_device *ubi; - uint64_t tmp = from; dbg_gen("read %zd bytes from offset %lld", len, from); @@ -119,9 +118,7 @@ static int gluebi_read(struct mtd_info *mtd, loff_t from, size_t len, vol = container_of(mtd, struct ubi_volume, gluebi_mtd); ubi = vol->ubi; - offs = do_div(tmp, mtd->erasesize); - lnum = tmp; - + lnum = div_u64_rem(from, mtd->erasesize, &offs); total_read = len; while (total_read) { size_t to_read = mtd->erasesize - offs; @@ -160,7 +157,6 @@ static int gluebi_write(struct mtd_info *mtd, loff_t to, size_t len, int err = 0, lnum, offs, total_written; struct ubi_volume *vol; struct ubi_device *ubi; - uint64_t tmp = to; dbg_gen("write %zd bytes to offset %lld", len, to); @@ -173,8 +169,7 @@ static int gluebi_write(struct mtd_info *mtd, loff_t to, size_t len, if (ubi->ro_mode) return -EROFS; - offs = do_div(tmp, mtd->erasesize); - lnum = tmp; + lnum = div_u64_rem(to, mtd->erasesize, &offs); if (len % mtd->writesize || offs % mtd->writesize) return -EINVAL; diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c index ecde202..c3d653b 100644 --- a/drivers/mtd/ubi/scan.c +++ b/drivers/mtd/ubi/scan.c @@ -42,7 +42,7 @@ #include <linux/err.h> #include <linux/crc32.h> -#include <asm/div64.h> +#include <linux/math64.h> #include "ubi.h" #ifdef CONFIG_MTD_UBI_DEBUG_PARANOID @@ -904,10 +904,8 @@ struct ubi_scan_info *ubi_scan(struct ubi_device *ubi) dbg_msg("scanning is finished"); /* Calculate mean erase counter */ - if (si->ec_count) { - do_div(si->ec_sum, si->ec_count); - si->mean_ec = si->ec_sum; - } + if (si->ec_count) + si->mean_ec = div_u64(si->ec_sum, si->ec_count); if (si->is_empty) ubi_msg("empty MTD device detected"); diff --git a/drivers/mtd/ubi/ubi.h b/drivers/mtd/ubi/ubi.h index 4a8ec48..c055511bb 100644 --- a/drivers/mtd/ubi/ubi.h +++ b/drivers/mtd/ubi/ubi.h @@ -206,6 +206,7 @@ struct ubi_volume_desc; * @upd_marker: %1 if the update marker is set for this volume * @updating: %1 if the volume is being updated * @changing_leb: %1 if the atomic LEB change ioctl command is in progress + * @direct_writes: %1 if direct writes are enabled for this volume * * @gluebi_desc: gluebi UBI volume descriptor * @gluebi_refcount: reference count of the gluebi MTD device @@ -253,6 +254,7 @@ struct ubi_volume { unsigned int upd_marker:1; unsigned int updating:1; unsigned int changing_leb:1; + unsigned int direct_writes:1; #ifdef CONFIG_MTD_UBI_GLUEBI /* @@ -304,7 +306,8 @@ struct ubi_wl_entry; * @vtbl_size: size of the volume table in bytes * @vtbl: in-RAM volume table copy * @volumes_mutex: protects on-flash volume table and serializes volume - * changes, like creation, deletion, update, re-size and re-name + * changes, like creation, deletion, update, re-size, + * re-name and set property * * @max_ec: current highest erase counter value * @mean_ec: current mean erase counter value @@ -449,9 +452,9 @@ struct ubi_device { }; extern struct kmem_cache *ubi_wl_entry_slab; -extern struct file_operations ubi_ctrl_cdev_operations; -extern struct file_operations ubi_cdev_operations; -extern struct file_operations ubi_vol_cdev_operations; +extern const struct file_operations ubi_ctrl_cdev_operations; +extern const struct file_operations ubi_cdev_operations; +extern const struct file_operations ubi_vol_cdev_operations; extern struct class *ubi_class; extern struct mutex ubi_devices_mutex; diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c index 8b89cc1..6b4d1ae 100644 --- a/drivers/mtd/ubi/upd.c +++ b/drivers/mtd/ubi/upd.c @@ -40,7 +40,7 @@ #include <linux/err.h> #include <linux/uaccess.h> -#include <asm/div64.h> +#include <linux/math64.h> #include "ubi.h" /** @@ -89,7 +89,6 @@ static int clear_update_marker(struct ubi_device *ubi, struct ubi_volume *vol, long long bytes) { int err; - uint64_t tmp; struct ubi_vtbl_record vtbl_rec; dbg_gen("clear update marker for volume %d", vol->vol_id); @@ -101,9 +100,9 @@ static int clear_update_marker(struct ubi_device *ubi, struct ubi_volume *vol, if (vol->vol_type == UBI_STATIC_VOLUME) { vol->corrupted = 0; - vol->used_bytes = tmp = bytes; - vol->last_eb_bytes = do_div(tmp, vol->usable_leb_size); - vol->used_ebs = tmp; + vol->used_bytes = bytes; + vol->used_ebs = div_u64_rem(bytes, vol->usable_leb_size, + &vol->last_eb_bytes); if (vol->last_eb_bytes) vol->used_ebs += 1; else @@ -131,7 +130,6 @@ int ubi_start_update(struct ubi_device *ubi, struct ubi_volume *vol, long long bytes) { int i, err; - uint64_t tmp; dbg_gen("start update of volume %d, %llu bytes", vol->vol_id, bytes); ubi_assert(!vol->updating && !vol->changing_leb); @@ -161,9 +159,8 @@ int ubi_start_update(struct ubi_device *ubi, struct ubi_volume *vol, if (!vol->upd_buf) return -ENOMEM; - tmp = bytes; - vol->upd_ebs = !!do_div(tmp, vol->usable_leb_size); - vol->upd_ebs += tmp; + vol->upd_ebs = div_u64(bytes + vol->usable_leb_size - 1, + vol->usable_leb_size); vol->upd_bytes = bytes; vol->upd_received = 0; return 0; @@ -282,7 +279,6 @@ static int write_leb(struct ubi_device *ubi, struct ubi_volume *vol, int lnum, int ubi_more_update_data(struct ubi_device *ubi, struct ubi_volume *vol, const void __user *buf, int count) { - uint64_t tmp; int lnum, offs, err = 0, len, to_write = count; dbg_gen("write %d of %lld bytes, %lld already passed", @@ -291,10 +287,7 @@ int ubi_more_update_data(struct ubi_device *ubi, struct ubi_volume *vol, if (ubi->ro_mode) return -EROFS; - tmp = vol->upd_received; - offs = do_div(tmp, vol->usable_leb_size); - lnum = tmp; - + lnum = div_u64_rem(vol->upd_received, vol->usable_leb_size, &offs); if (vol->upd_received + count > vol->upd_bytes) to_write = count = vol->upd_bytes - vol->upd_received; diff --git a/drivers/mtd/ubi/vmt.c b/drivers/mtd/ubi/vmt.c index 22e1d73..df54835 100644 --- a/drivers/mtd/ubi/vmt.c +++ b/drivers/mtd/ubi/vmt.c @@ -24,7 +24,7 @@ */ #include <linux/err.h> -#include <asm/div64.h> +#include <linux/math64.h> #include "ubi.h" #ifdef CONFIG_MTD_UBI_DEBUG_PARANOID @@ -205,7 +205,6 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) int i, err, vol_id = req->vol_id, do_free = 1; struct ubi_volume *vol; struct ubi_vtbl_record vtbl_rec; - uint64_t bytes; dev_t dev; if (ubi->ro_mode) @@ -255,10 +254,8 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) /* Calculate how many eraseblocks are requested */ vol->usable_leb_size = ubi->leb_size - ubi->leb_size % req->alignment; - bytes = req->bytes; - if (do_div(bytes, vol->usable_leb_size)) - vol->reserved_pebs = 1; - vol->reserved_pebs += bytes; + vol->reserved_pebs += div_u64(req->bytes + vol->usable_leb_size - 1, + vol->usable_leb_size); /* Reserve physical eraseblocks */ if (vol->reserved_pebs > ubi->avail_pebs) { @@ -301,10 +298,10 @@ int ubi_create_volume(struct ubi_device *ubi, struct ubi_mkvol_req *req) vol->used_bytes = (long long)vol->used_ebs * vol->usable_leb_size; } else { - bytes = vol->used_bytes; - vol->last_eb_bytes = do_div(bytes, vol->usable_leb_size); - vol->used_ebs = bytes; - if (vol->last_eb_bytes) + vol->used_ebs = div_u64_rem(vol->used_bytes, + vol->usable_leb_size, + &vol->last_eb_bytes); + if (vol->last_eb_bytes != 0) vol->used_ebs += 1; else vol->last_eb_bytes = vol->usable_leb_size; diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig index 9fe8cb7..6bdfd47 100644 --- a/drivers/net/Kconfig +++ b/drivers/net/Kconfig @@ -1829,7 +1829,7 @@ config 68360_ENET config FEC bool "FEC ethernet controller (of ColdFire CPUs)" - depends on M523x || M527x || M5272 || M528x || M520x + depends on M523x || M527x || M5272 || M528x || M520x || M532x help Say Y here if you want to use the built-in 10/100 Fast ethernet controller on some Motorola ColdFire processors. diff --git a/drivers/net/arm/am79c961a.c b/drivers/net/arm/am79c961a.c index 0c628a9..c2d012fc 100644 --- a/drivers/net/arm/am79c961a.c +++ b/drivers/net/arm/am79c961a.c @@ -208,9 +208,9 @@ am79c961_init_for_open(struct net_device *dev) /* * Stop the chip. */ - spin_lock_irqsave(priv->chip_lock, flags); + spin_lock_irqsave(&priv->chip_lock, flags); write_rreg (dev->base_addr, CSR0, CSR0_BABL|CSR0_CERR|CSR0_MISS|CSR0_MERR|CSR0_TINT|CSR0_RINT|CSR0_STOP); - spin_unlock_irqrestore(priv->chip_lock, flags); + spin_unlock_irqrestore(&priv->chip_lock, flags); write_ireg (dev->base_addr, 5, 0x00a0); /* Receive address LED */ write_ireg (dev->base_addr, 6, 0x0081); /* Collision LED */ @@ -332,10 +332,10 @@ am79c961_close(struct net_device *dev) netif_stop_queue(dev); netif_carrier_off(dev); - spin_lock_irqsave(priv->chip_lock, flags); + spin_lock_irqsave(&priv->chip_lock, flags); write_rreg (dev->base_addr, CSR0, CSR0_STOP); write_rreg (dev->base_addr, CSR3, CSR3_MASKALL); - spin_unlock_irqrestore(priv->chip_lock, flags); + spin_unlock_irqrestore(&priv->chip_lock, flags); free_irq (dev->irq, dev); @@ -391,7 +391,7 @@ static void am79c961_setmulticastlist (struct net_device *dev) am79c961_mc_hash(dmi, multi_hash); } - spin_lock_irqsave(priv->chip_lock, flags); + spin_lock_irqsave(&priv->chip_lock, flags); stopped = read_rreg(dev->base_addr, CSR0) & CSR0_STOP; @@ -405,9 +405,9 @@ static void am79c961_setmulticastlist (struct net_device *dev) * Spin waiting for chip to report suspend mode */ while ((read_rreg(dev->base_addr, CTRL1) & CTRL1_SPND) == 0) { - spin_unlock_irqrestore(priv->chip_lock, flags); + spin_unlock_irqrestore(&priv->chip_lock, flags); nop(); - spin_lock_irqsave(priv->chip_lock, flags); + spin_lock_irqsave(&priv->chip_lock, flags); } } @@ -429,7 +429,7 @@ static void am79c961_setmulticastlist (struct net_device *dev) write_rreg(dev->base_addr, CTRL1, 0); } - spin_unlock_irqrestore(priv->chip_lock, flags); + spin_unlock_irqrestore(&priv->chip_lock, flags); } static void am79c961_timeout(struct net_device *dev) @@ -467,10 +467,10 @@ am79c961_sendpacket(struct sk_buff *skb, struct net_device *dev) am_writeword (dev, hdraddr + 2, TMD_OWN|TMD_STP|TMD_ENP); priv->txhead = head; - spin_lock_irqsave(priv->chip_lock, flags); + spin_lock_irqsave(&priv->chip_lock, flags); write_rreg (dev->base_addr, CSR0, CSR0_TDMD|CSR0_IENA); dev->trans_start = jiffies; - spin_unlock_irqrestore(priv->chip_lock, flags); + spin_unlock_irqrestore(&priv->chip_lock, flags); /* * If the next packet is owned by the ethernet device, diff --git a/drivers/net/arm/etherh.c b/drivers/net/arm/etherh.c index d15d8b7..54b52e5 100644 --- a/drivers/net/arm/etherh.c +++ b/drivers/net/arm/etherh.c @@ -646,7 +646,7 @@ static const struct net_device_ops etherh_netdev_ops = { .ndo_get_stats = ei_get_stats, .ndo_set_multicast_list = ei_set_multicast_list, .ndo_validate_addr = eth_validate_addr, - .ndo_set_mac_address = eth_set_mac_addr, + .ndo_set_mac_address = eth_mac_addr, .ndo_change_mtu = eth_change_mtu, #ifdef CONFIG_NET_POLL_CONTROLLER .ndo_poll_controller = ei_poll, diff --git a/drivers/net/bnx2x.h b/drivers/net/bnx2x.h index 6fcccef..15a5cf0 100644 --- a/drivers/net/bnx2x.h +++ b/drivers/net/bnx2x.h @@ -1,6 +1,6 @@ /* bnx2x.h: Broadcom Everest network driver. * - * Copyright (c) 2007-2008 Broadcom Corporation + * Copyright (c) 2007-2009 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -271,14 +271,7 @@ struct bnx2x_fastpath { #define bnx2x_fp(bp, nr, var) (bp->fp[nr].var) -#define BNX2X_HAS_TX_WORK(fp) \ - ((fp->tx_pkt_prod != le16_to_cpu(*fp->tx_cons_sb)) || \ - (fp->tx_pkt_prod != fp->tx_pkt_cons)) - -#define BNX2X_HAS_RX_WORK(fp) \ - (fp->rx_comp_cons != rx_cons_sb) - -#define BNX2X_HAS_WORK(fp) (BNX2X_HAS_RX_WORK(fp) || BNX2X_HAS_TX_WORK(fp)) +#define BNX2X_HAS_WORK(fp) (bnx2x_has_rx_work(fp) || bnx2x_has_tx_work(fp)) /* MC hsi */ diff --git a/drivers/net/bnx2x_link.c b/drivers/net/bnx2x_link.c index fefa6ab..aea26b4 100644 --- a/drivers/net/bnx2x_link.c +++ b/drivers/net/bnx2x_link.c @@ -1,4 +1,4 @@ -/* Copyright 2008 Broadcom Corporation +/* Copyright 2008-2009 Broadcom Corporation * * Unless you and Broadcom execute a separate written software license * agreement governing use of this software, this software is licensed to you @@ -317,6 +317,9 @@ static u8 bnx2x_emac_enable(struct link_params *params, val &= ~0x810; EMAC_WR(bp, EMAC_REG_EMAC_MODE, val); + /* enable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 1); + /* enable emac for jumbo packets */ EMAC_WR(bp, EMAC_REG_EMAC_RX_MTU_SIZE, (EMAC_RX_MTU_SIZE_JUMBO_ENA | @@ -1609,7 +1612,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, u32 gp_status) { struct bnx2x *bp = params->bp; - + u16 new_line_speed; u8 rc = 0; vars->link_status = 0; @@ -1629,7 +1632,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, switch (gp_status & GP_STATUS_SPEED_MASK) { case GP_STATUS_10M: - vars->line_speed = SPEED_10; + new_line_speed = SPEED_10; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_10TFD; else @@ -1637,7 +1640,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, break; case GP_STATUS_100M: - vars->line_speed = SPEED_100; + new_line_speed = SPEED_100; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_100TXFD; else @@ -1646,7 +1649,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, case GP_STATUS_1G: case GP_STATUS_1G_KX: - vars->line_speed = SPEED_1000; + new_line_speed = SPEED_1000; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_1000TFD; else @@ -1654,7 +1657,7 @@ static u8 bnx2x_link_settings_status(struct link_params *params, break; case GP_STATUS_2_5G: - vars->line_speed = SPEED_2500; + new_line_speed = SPEED_2500; if (vars->duplex == DUPLEX_FULL) vars->link_status |= LINK_2500TFD; else @@ -1671,32 +1674,32 @@ static u8 bnx2x_link_settings_status(struct link_params *params, case GP_STATUS_10G_KX4: case GP_STATUS_10G_HIG: case GP_STATUS_10G_CX4: - vars->line_speed = SPEED_10000; + new_line_speed = SPEED_10000; vars->link_status |= LINK_10GTFD; break; case GP_STATUS_12G_HIG: - vars->line_speed = SPEED_12000; + new_line_speed = SPEED_12000; vars->link_status |= LINK_12GTFD; break; case GP_STATUS_12_5G: - vars->line_speed = SPEED_12500; + new_line_speed = SPEED_12500; vars->link_status |= LINK_12_5GTFD; break; case GP_STATUS_13G: - vars->line_speed = SPEED_13000; + new_line_speed = SPEED_13000; vars->link_status |= LINK_13GTFD; break; case GP_STATUS_15G: - vars->line_speed = SPEED_15000; + new_line_speed = SPEED_15000; vars->link_status |= LINK_15GTFD; break; case GP_STATUS_16G: - vars->line_speed = SPEED_16000; + new_line_speed = SPEED_16000; vars->link_status |= LINK_16GTFD; break; @@ -1708,6 +1711,15 @@ static u8 bnx2x_link_settings_status(struct link_params *params, break; } + /* Upon link speed change set the NIG into drain mode. + Comes to deals with possible FIFO glitch due to clk change + when speed is decreased without link down indicator */ + if (new_line_speed != vars->line_speed) { + REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + + params->port*4, 0); + msleep(1); + } + vars->line_speed = new_line_speed; vars->link_status |= LINK_STATUS_SERDES_LINK; if ((params->req_line_speed == SPEED_AUTO_NEG) && @@ -3571,7 +3583,7 @@ static void bnx2x_set_xgxs_loopback(struct link_params *params, (MDIO_REG_BANK_CL73_IEEEB0 + (MDIO_CL73_IEEEB0_CL73_AN_CONTROL & 0xf)), 0x6041); - + msleep(200); /* set aer mmd back */ bnx2x_set_aer_mmd(params, vars); @@ -3870,9 +3882,15 @@ static u8 bnx2x_link_initialize(struct link_params *params, } if (vars->phy_flags & PHY_XGXS_FLAG) { - if (params->req_line_speed && + if ((params->req_line_speed && ((params->req_line_speed == SPEED_100) || - (params->req_line_speed == SPEED_10))) { + (params->req_line_speed == SPEED_10))) || + (!params->req_line_speed && + (params->speed_cap_mask >= + PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL) && + (params->speed_cap_mask < + PORT_HW_CFG_SPEED_CAPABILITY_D0_1G) + )) { vars->phy_flags |= PHY_SGMII_FLAG; } else { vars->phy_flags &= ~PHY_SGMII_FLAG; @@ -4194,6 +4212,11 @@ static u8 bnx2x_update_link_down(struct link_params *params, /* activate nig drain */ REG_WR(bp, NIG_REG_EGRESS_DRAIN0_MODE + port*4, 1); + /* disable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); + + msleep(10); + /* reset BigMac */ bnx2x_bmac_rx_disable(bp, params->port); REG_WR(bp, GRCBASE_MISC + @@ -4238,6 +4261,7 @@ static u8 bnx2x_update_link_up(struct link_params *params, /* update shared memory */ bnx2x_update_mng(params, vars->link_status); + msleep(20); return rc; } /* This function should called upon link interrupt */ @@ -4276,6 +4300,9 @@ u8 bnx2x_link_update(struct link_params *params, struct link_vars *vars) REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK10G + port*0x68), REG_RD(bp, NIG_REG_XGXS0_STATUS_LINK_STATUS + port*0x68)); + /* disable emac */ + REG_WR(bp, NIG_REG_NIG_EMAC0_EN + port*4, 0); + ext_phy_type = XGXS_EXT_PHY_TYPE(params->ext_phy_config); /* Check external link change only for non-direct */ @@ -4377,10 +4404,11 @@ static u8 bnx2x_8073_common_init_phy(struct bnx2x *bp, u32 shmem_base) ext_phy_addr[port], MDIO_PMA_DEVAD, MDIO_PMA_REG_ROM_VER1, &fw_ver1); - if (fw_ver1 == 0) { + if (fw_ver1 == 0 || fw_ver1 == 0x4321) { DP(NETIF_MSG_LINK, - "bnx2x_8073_common_init_phy port %x " - "fw Download failed\n", port); + "bnx2x_8073_common_init_phy port %x:" + "Download failed. fw version = 0x%x\n", + port, fw_ver1); return -EINVAL; } diff --git a/drivers/net/bnx2x_main.c b/drivers/net/bnx2x_main.c index 7c53379..d3e7775 100644 --- a/drivers/net/bnx2x_main.c +++ b/drivers/net/bnx2x_main.c @@ -1,6 +1,6 @@ /* bnx2x_main.c: Broadcom Everest network driver. * - * Copyright (c) 2007-2008 Broadcom Corporation + * Copyright (c) 2007-2009 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by @@ -57,8 +57,8 @@ #include "bnx2x.h" #include "bnx2x_init.h" -#define DRV_MODULE_VERSION "1.45.23" -#define DRV_MODULE_RELDATE "2008/11/03" +#define DRV_MODULE_VERSION "1.45.26" +#define DRV_MODULE_RELDATE "2009/01/26" #define BNX2X_BC_VER 0x040200 /* Time in jiffies before concluding the transmitter is hung */ @@ -69,7 +69,7 @@ static char version[] __devinitdata = DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; MODULE_AUTHOR("Eliezer Tamir"); -MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); +MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710/57711/57711E Driver"); MODULE_LICENSE("GPL"); MODULE_VERSION(DRV_MODULE_VERSION); @@ -733,6 +733,24 @@ static u16 bnx2x_ack_int(struct bnx2x *bp) * fast path service functions */ +static inline int bnx2x_has_tx_work(struct bnx2x_fastpath *fp) +{ + u16 tx_cons_sb; + + /* Tell compiler that status block fields can change */ + barrier(); + tx_cons_sb = le16_to_cpu(*fp->tx_cons_sb); + return (fp->tx_pkt_cons != tx_cons_sb); +} + +static inline int bnx2x_has_tx_work_unload(struct bnx2x_fastpath *fp) +{ + /* Tell compiler that consumer and producer can change */ + barrier(); + return (fp->tx_pkt_prod != fp->tx_pkt_cons); + +} + /* free skb in the packet ring at pos idx * return idx of last bd freed */ @@ -5137,12 +5155,21 @@ static void enable_blocks_attention(struct bnx2x *bp) } +static void bnx2x_reset_common(struct bnx2x *bp) +{ + /* reset_common */ + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, + 0xd3ffff7f); + REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403); +} + static int bnx2x_init_common(struct bnx2x *bp) { u32 val, i; DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp)); + bnx2x_reset_common(bp); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff); REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc); @@ -6123,8 +6150,8 @@ static void bnx2x_netif_start(struct bnx2x *bp) static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw) { bnx2x_int_disable_sync(bp, disable_hw); + bnx2x_napi_disable(bp); if (netif_running(bp->dev)) { - bnx2x_napi_disable(bp); netif_tx_disable(bp->dev); bp->dev->trans_start = jiffies; /* prevent tx timeout */ } @@ -6144,7 +6171,7 @@ static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set) * multicast 64-127:port0 128-191:port1 */ config->hdr.length_6b = 2; - config->hdr.offset = port ? 31 : 0; + config->hdr.offset = port ? 32 : 0; config->hdr.client_id = BP_CL_ID(bp); config->hdr.reserved1 = 0; @@ -6308,7 +6335,7 @@ static void bnx2x_set_rx_mode(struct net_device *dev); static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) { u32 load_code; - int i, rc; + int i, rc = 0; #ifdef BNX2X_STOP_ON_ERROR if (unlikely(bp->panic)) return -EPERM; @@ -6316,48 +6343,6 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; - /* Send LOAD_REQUEST command to MCP - Returns the type of LOAD command: - if it is the first port to be initialized - common blocks should be initialized, otherwise - not - */ - if (!BP_NOMCP(bp)) { - load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); - if (!load_code) { - BNX2X_ERR("MCP response failure, aborting\n"); - return -EBUSY; - } - if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) - return -EBUSY; /* other port in diagnostic mode */ - - } else { - int port = BP_PORT(bp); - - DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n", - load_count[0], load_count[1], load_count[2]); - load_count[0]++; - load_count[1 + port]++; - DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n", - load_count[0], load_count[1], load_count[2]); - if (load_count[0] == 1) - load_code = FW_MSG_CODE_DRV_LOAD_COMMON; - else if (load_count[1 + port] == 1) - load_code = FW_MSG_CODE_DRV_LOAD_PORT; - else - load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION; - } - - if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) || - (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) - bp->port.pmf = 1; - else - bp->port.pmf = 0; - DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); - - /* if we can't use MSI-X we only need one fp, - * so try to enable MSI-X with the requested number of fp's - * and fallback to inta with one fp - */ if (use_inta) { bp->num_queues = 1; @@ -6372,7 +6357,15 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) else bp->num_queues = 1; - if (bnx2x_enable_msix(bp)) { + DP(NETIF_MSG_IFUP, + "set number of queues to %d\n", bp->num_queues); + + /* if we can't use MSI-X we only need one fp, + * so try to enable MSI-X with the requested number of fp's + * and fallback to MSI or legacy INTx with one fp + */ + rc = bnx2x_enable_msix(bp); + if (rc) { /* failed to enable MSI-X */ bp->num_queues = 1; if (use_multi) @@ -6380,8 +6373,6 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) " to enable MSI-X\n"); } } - DP(NETIF_MSG_IFUP, - "set number of queues to %d\n", bp->num_queues); if (bnx2x_alloc_mem(bp)) return -ENOMEM; @@ -6390,30 +6381,85 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) bnx2x_fp(bp, i, disable_tpa) = ((bp->flags & TPA_ENABLE_FLAG) == 0); + for_each_queue(bp, i) + netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), + bnx2x_poll, 128); + +#ifdef BNX2X_STOP_ON_ERROR + for_each_queue(bp, i) { + struct bnx2x_fastpath *fp = &bp->fp[i]; + + fp->poll_no_work = 0; + fp->poll_calls = 0; + fp->poll_max_calls = 0; + fp->poll_complete = 0; + fp->poll_exit = 0; + } +#endif + bnx2x_napi_enable(bp); + if (bp->flags & USING_MSIX_FLAG) { rc = bnx2x_req_msix_irqs(bp); if (rc) { pci_disable_msix(bp->pdev); - goto load_error; + goto load_error1; } + printk(KERN_INFO PFX "%s: using MSI-X\n", bp->dev->name); } else { bnx2x_ack_int(bp); rc = bnx2x_req_irq(bp); if (rc) { - BNX2X_ERR("IRQ request failed, aborting\n"); - goto load_error; + BNX2X_ERR("IRQ request failed rc %d, aborting\n", rc); + goto load_error1; } } - for_each_queue(bp, i) - netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), - bnx2x_poll, 128); + /* Send LOAD_REQUEST command to MCP + Returns the type of LOAD command: + if it is the first port to be initialized + common blocks should be initialized, otherwise - not + */ + if (!BP_NOMCP(bp)) { + load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); + if (!load_code) { + BNX2X_ERR("MCP response failure, aborting\n"); + rc = -EBUSY; + goto load_error2; + } + if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) { + rc = -EBUSY; /* other port in diagnostic mode */ + goto load_error2; + } + + } else { + int port = BP_PORT(bp); + + DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n", + load_count[0], load_count[1], load_count[2]); + load_count[0]++; + load_count[1 + port]++; + DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n", + load_count[0], load_count[1], load_count[2]); + if (load_count[0] == 1) + load_code = FW_MSG_CODE_DRV_LOAD_COMMON; + else if (load_count[1 + port] == 1) + load_code = FW_MSG_CODE_DRV_LOAD_PORT; + else + load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION; + } + + if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) || + (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) + bp->port.pmf = 1; + else + bp->port.pmf = 0; + DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); /* Initialize HW */ rc = bnx2x_init_hw(bp, load_code); if (rc) { BNX2X_ERR("HW init failed, aborting\n"); - goto load_int_disable; + goto load_error2; } /* Setup NIC internals and enable interrupts */ @@ -6425,7 +6471,7 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) if (!load_code) { BNX2X_ERR("MCP response failure, aborting\n"); rc = -EBUSY; - goto load_rings_free; + goto load_error3; } } @@ -6434,7 +6480,7 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) rc = bnx2x_setup_leading(bp); if (rc) { BNX2X_ERR("Setup leading failed!\n"); - goto load_netif_stop; + goto load_error3; } if (CHIP_IS_E1H(bp)) @@ -6447,7 +6493,7 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) for_each_nondefault_queue(bp, i) { rc = bnx2x_setup_multi(bp, i); if (rc) - goto load_netif_stop; + goto load_error3; } if (CHIP_IS_E1(bp)) @@ -6463,18 +6509,18 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) case LOAD_NORMAL: /* Tx queue should be only reenabled */ netif_wake_queue(bp->dev); + /* Initialize the receive filter. */ bnx2x_set_rx_mode(bp->dev); break; case LOAD_OPEN: netif_start_queue(bp->dev); + /* Initialize the receive filter. */ bnx2x_set_rx_mode(bp->dev); - if (bp->flags & USING_MSIX_FLAG) - printk(KERN_INFO PFX "%s: using MSI-X\n", - bp->dev->name); break; case LOAD_DIAG: + /* Initialize the receive filter. */ bnx2x_set_rx_mode(bp->dev); bp->state = BNX2X_STATE_DIAG; break; @@ -6492,20 +6538,25 @@ static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) return 0; -load_netif_stop: - bnx2x_napi_disable(bp); -load_rings_free: +load_error3: + bnx2x_int_disable_sync(bp, 1); + if (!BP_NOMCP(bp)) { + bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP); + bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); + } + bp->port.pmf = 0; /* Free SKBs, SGEs, TPA pool and driver internals */ bnx2x_free_skbs(bp); for_each_queue(bp, i) bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); -load_int_disable: - bnx2x_int_disable_sync(bp, 1); +load_error2: /* Release IRQs */ bnx2x_free_irq(bp); -load_error: +load_error1: + bnx2x_napi_disable(bp); + for_each_queue(bp, i) + netif_napi_del(&bnx2x_fp(bp, i, napi)); bnx2x_free_mem(bp); - bp->port.pmf = 0; /* TBD we really need to reset the chip if we want to recover from this */ @@ -6578,6 +6629,7 @@ static int bnx2x_stop_leading(struct bnx2x *bp) } cnt--; msleep(1); + rmb(); /* Refresh the dsb_sp_prod */ } bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; bp->fp[0].state = BNX2X_FP_STATE_CLOSED; @@ -6629,14 +6681,6 @@ static void bnx2x_reset_port(struct bnx2x *bp) /* TODO: Close Doorbell port? */ } -static void bnx2x_reset_common(struct bnx2x *bp) -{ - /* reset_common */ - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, - 0xd3ffff7f); - REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403); -} - static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code) { DP(BNX2X_MSG_MCP, "function %d reset_code %x\n", @@ -6677,20 +6721,22 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) bnx2x_set_storm_rx_mode(bp); bnx2x_netif_stop(bp, 1); - if (!netif_running(bp->dev)) - bnx2x_napi_disable(bp); + del_timer_sync(&bp->timer); SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb, (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq)); bnx2x_stats_handle(bp, STATS_EVENT_STOP); + /* Release IRQs */ + bnx2x_free_irq(bp); + /* Wait until tx fast path tasks complete */ for_each_queue(bp, i) { struct bnx2x_fastpath *fp = &bp->fp[i]; cnt = 1000; smp_rmb(); - while (BNX2X_HAS_TX_WORK(fp)) { + while (bnx2x_has_tx_work_unload(fp)) { bnx2x_tx_int(fp, 1000); if (!cnt) { @@ -6711,9 +6757,6 @@ static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) /* Give HW time to discard old tx messages */ msleep(1); - /* Release IRQs */ - bnx2x_free_irq(bp); - if (CHIP_IS_E1(bp)) { struct mac_configuration_cmd *config = bnx2x_sp(bp, mcast_config); @@ -6822,6 +6865,8 @@ unload_error: bnx2x_free_skbs(bp); for_each_queue(bp, i) bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); + for_each_queue(bp, i) + netif_napi_del(&bnx2x_fp(bp, i, napi)); bnx2x_free_mem(bp); bp->state = BNX2X_STATE_CLOSED; @@ -6874,10 +6919,6 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) */ bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); val = REG_RD(bp, DORQ_REG_NORM_CID_OFST); - if (val == 0x7) - REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0); - bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); - if (val == 0x7) { u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; /* save our func */ @@ -6885,6 +6926,9 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) u32 swap_en; u32 swap_val; + /* clear the UNDI indication */ + REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0); + BNX2X_DEV_INFO("UNDI is active! reset device\n"); /* try unload UNDI on port 0 */ @@ -6910,6 +6954,9 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) bnx2x_fw_command(bp, reset_code); } + /* now it's safe to release the lock */ + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); + REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0), 0x1000); @@ -6954,7 +7001,9 @@ static void __devinit bnx2x_undi_unload(struct bnx2x *bp) bp->fw_seq = (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & DRV_MSG_SEQ_NUMBER_MASK); - } + + } else + bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); } } @@ -6971,7 +7020,7 @@ static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) id |= ((val & 0xf) << 12); val = REG_RD(bp, MISC_REG_CHIP_METAL); id |= ((val & 0xff) << 4); - REG_RD(bp, MISC_REG_BOND_ID); + val = REG_RD(bp, MISC_REG_BOND_ID); id |= (val & 0xf); bp->common.chip_id = id; bp->link_params.chip_id = bp->common.chip_id; @@ -8103,6 +8152,9 @@ static int bnx2x_get_eeprom(struct net_device *dev, struct bnx2x *bp = netdev_priv(dev); int rc; + if (!netif_running(dev)) + return -EAGAIN; + DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, @@ -8705,18 +8757,17 @@ static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up) if (loopback_mode == BNX2X_MAC_LOOPBACK) { bp->link_params.loopback_mode = LOOPBACK_BMAC; - bnx2x_acquire_phy_lock(bp); bnx2x_phy_init(&bp->link_params, &bp->link_vars); - bnx2x_release_phy_lock(bp); } else if (loopback_mode == BNX2X_PHY_LOOPBACK) { + u16 cnt = 1000; bp->link_params.loopback_mode = LOOPBACK_XGXS_10; - bnx2x_acquire_phy_lock(bp); bnx2x_phy_init(&bp->link_params, &bp->link_vars); - bnx2x_release_phy_lock(bp); /* wait until link state is restored */ - bnx2x_wait_for_link(bp, link_up); - + if (link_up) + while (cnt-- && bnx2x_test_link(&bp->link_params, + &bp->link_vars)) + msleep(10); } else return -EINVAL; @@ -8822,6 +8873,7 @@ static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up) return BNX2X_LOOPBACK_FAILED; bnx2x_netif_stop(bp, 1); + bnx2x_acquire_phy_lock(bp); if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) { DP(NETIF_MSG_PROBE, "MAC loopback failed\n"); @@ -8833,6 +8885,7 @@ static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up) rc |= BNX2X_PHY_LOOPBACK_FAILED; } + bnx2x_release_phy_lock(bp); bnx2x_netif_start(bp); return rc; @@ -8906,7 +8959,10 @@ static int bnx2x_test_intr(struct bnx2x *bp) return -ENODEV; config->hdr.length_6b = 0; - config->hdr.offset = 0; + if (CHIP_IS_E1(bp)) + config->hdr.offset = (BP_PORT(bp) ? 32 : 0); + else + config->hdr.offset = BP_FUNC(bp); config->hdr.client_id = BP_CL_ID(bp); config->hdr.reserved1 = 0; @@ -9271,6 +9327,18 @@ static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) return 0; } +static inline int bnx2x_has_rx_work(struct bnx2x_fastpath *fp) +{ + u16 rx_cons_sb; + + /* Tell compiler that status block fields can change */ + barrier(); + rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); + if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) + rx_cons_sb++; + return (fp->rx_comp_cons != rx_cons_sb); +} + /* * net_device service functions */ @@ -9281,7 +9349,6 @@ static int bnx2x_poll(struct napi_struct *napi, int budget) napi); struct bnx2x *bp = fp->bp; int work_done = 0; - u16 rx_cons_sb; #ifdef BNX2X_STOP_ON_ERROR if (unlikely(bp->panic)) @@ -9294,19 +9361,12 @@ static int bnx2x_poll(struct napi_struct *napi, int budget) bnx2x_update_fpsb_idx(fp); - if (BNX2X_HAS_TX_WORK(fp)) + if (bnx2x_has_tx_work(fp)) bnx2x_tx_int(fp, budget); - rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); - if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) - rx_cons_sb++; - if (BNX2X_HAS_RX_WORK(fp)) + if (bnx2x_has_rx_work(fp)) work_done = bnx2x_rx_int(fp, budget); - rmb(); /* BNX2X_HAS_WORK() reads the status block */ - rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); - if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) - rx_cons_sb++; /* must not complete if we consumed full budget */ if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) { @@ -9417,6 +9477,7 @@ static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) return rc; } +#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) /* check if packet requires linearization (packet is too fragmented) */ static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb, u32 xmit_type) @@ -9494,6 +9555,7 @@ exit_lbl: return to_copy; } +#endif /* called with netif_tx_lock * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call @@ -9534,6 +9596,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr, ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type); +#if (MAX_SKB_FRAGS >= MAX_FETCH_BD - 3) /* First, check if we need to linearize the skb (due to FW restrictions) */ if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) { @@ -9546,6 +9609,7 @@ static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) return NETDEV_TX_OK; } } +#endif /* Please read carefully. First we use one BD which we mark as start, @@ -9776,6 +9840,8 @@ static int bnx2x_open(struct net_device *dev) { struct bnx2x *bp = netdev_priv(dev); + netif_carrier_off(dev); + bnx2x_set_power_state(bp, PCI_D0); return bnx2x_nic_load(bp, LOAD_OPEN); @@ -9859,7 +9925,7 @@ static void bnx2x_set_rx_mode(struct net_device *dev) for (; i < old; i++) { if (CAM_IS_INVALID(config-> config_table[i])) { - i--; /* already invalidated */ + /* already invalidated */ break; } /* invalidate */ @@ -10269,22 +10335,18 @@ static int __devinit bnx2x_init_one(struct pci_dev *pdev, return rc; } - rc = register_netdev(dev); - if (rc) { - dev_err(&pdev->dev, "Cannot register net device\n"); - goto init_one_exit; - } - pci_set_drvdata(pdev, dev); rc = bnx2x_init_bp(bp); + if (rc) + goto init_one_exit; + + rc = register_netdev(dev); if (rc) { - unregister_netdev(dev); + dev_err(&pdev->dev, "Cannot register net device\n"); goto init_one_exit; } - netif_carrier_off(dev); - bp->common.name = board_info[ent->driver_data].name; printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx," " IRQ %d, ", dev->name, bp->common.name, @@ -10432,6 +10494,8 @@ static int bnx2x_eeh_nic_unload(struct bnx2x *bp) bnx2x_free_skbs(bp); for_each_queue(bp, i) bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); + for_each_queue(bp, i) + netif_napi_del(&bnx2x_fp(bp, i, napi)); bnx2x_free_mem(bp); bp->state = BNX2X_STATE_CLOSED; diff --git a/drivers/net/bnx2x_reg.h b/drivers/net/bnx2x_reg.h index a67b0c3..d084e5f 100644 --- a/drivers/net/bnx2x_reg.h +++ b/drivers/net/bnx2x_reg.h @@ -1,6 +1,6 @@ /* bnx2x_reg.h: Broadcom Everest network driver. * - * Copyright (c) 2007-2008 Broadcom Corporation + * Copyright (c) 2007-2009 Broadcom Corporation * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c index 840b3d1..bbbc3bb 100644 --- a/drivers/net/cassini.c +++ b/drivers/net/cassini.c @@ -806,7 +806,7 @@ static int cas_reset_mii_phy(struct cas *cp) cas_phy_write(cp, MII_BMCR, BMCR_RESET); udelay(100); - while (limit--) { + while (--limit) { val = cas_phy_read(cp, MII_BMCR); if ((val & BMCR_RESET) == 0) break; @@ -979,7 +979,7 @@ static void cas_phy_init(struct cas *cp) writel(val, cp->regs + REG_PCS_MII_CTRL); limit = STOP_TRIES; - while (limit-- > 0) { + while (--limit > 0) { udelay(10); if ((readl(cp->regs + REG_PCS_MII_CTRL) & PCS_MII_RESET) == 0) diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c index 14f9fb3..d31791f 100644 --- a/drivers/net/cxgb3/sge.c +++ b/drivers/net/cxgb3/sge.c @@ -2104,6 +2104,7 @@ static void init_lro_mgr(struct sge_qset *qs, struct net_lro_mgr *lro_mgr) { lro_mgr->dev = qs->netdev; lro_mgr->features = LRO_F_NAPI; + lro_mgr->frag_align_pad = NET_IP_ALIGN; lro_mgr->ip_summed = CHECKSUM_UNNECESSARY; lro_mgr->ip_summed_aggr = CHECKSUM_UNNECESSARY; lro_mgr->max_desc = T3_MAX_LRO_SES; @@ -2275,8 +2276,7 @@ no_mem: } else if ((len = ntohl(r->len_cq)) != 0) { struct sge_fl *fl; - if (eth) - lro = qs->lro_enabled && is_eth_tcp(rss_hi); + lro &= eth && is_eth_tcp(rss_hi); fl = (len & F_RSPD_FLQ) ? &qs->fl[1] : &qs->fl[0]; if (fl->use_pages) { diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c index 26474c9..6bd63cc 100644 --- a/drivers/net/e1000/e1000_main.c +++ b/drivers/net/e1000/e1000_main.c @@ -31,7 +31,7 @@ char e1000_driver_name[] = "e1000"; static char e1000_driver_string[] = "Intel(R) PRO/1000 Network Driver"; -#define DRV_VERSION "7.3.20-k3-NAPI" +#define DRV_VERSION "7.3.21-k3-NAPI" const char e1000_driver_version[] = DRV_VERSION; static const char e1000_copyright[] = "Copyright (c) 1999-2006 Intel Corporation."; @@ -940,7 +940,7 @@ static int __devinit e1000_probe(struct pci_dev *pdev, err = pci_enable_device(pdev); } else { bars = pci_select_bars(pdev, IORESOURCE_MEM); - err = pci_enable_device(pdev); + err = pci_enable_device_mem(pdev); } if (err) return err; @@ -3712,7 +3712,7 @@ static irqreturn_t e1000_intr(int irq, void *data) struct e1000_hw *hw = &adapter->hw; u32 rctl, icr = er32(ICR); - if (unlikely(!icr)) + if (unlikely((!icr) || test_bit(__E1000_RESETTING, &adapter->flags))) return IRQ_NONE; /* Not our interrupt */ /* IMS will not auto-mask if INT_ASSERTED is not set, and if it is diff --git a/drivers/net/e1000e/82571.c b/drivers/net/e1000e/82571.c index cf43ee74..0890162 100644 --- a/drivers/net/e1000e/82571.c +++ b/drivers/net/e1000e/82571.c @@ -981,11 +981,15 @@ static void e1000_initialize_hw_bits_82571(struct e1000_hw *hw) ew32(PBA_ECC, reg); } - /* PCI-Ex Control Register */ + /* PCI-Ex Control Registers */ if (hw->mac.type == e1000_82574) { reg = er32(GCR); reg |= (1 << 22); ew32(GCR, reg); + + reg = er32(GCR2); + reg |= 1; + ew32(GCR2, reg); } return; diff --git a/drivers/net/e1000e/hw.h b/drivers/net/e1000e/hw.h index f25e961..2d4ce04 100644 --- a/drivers/net/e1000e/hw.h +++ b/drivers/net/e1000e/hw.h @@ -206,6 +206,7 @@ enum e1e_registers { E1000_MANC2H = 0x05860, /* Management Control To Host - RW */ E1000_SW_FW_SYNC = 0x05B5C, /* Software-Firmware Synchronization - RW */ E1000_GCR = 0x05B00, /* PCI-Ex Control */ + E1000_GCR2 = 0x05B64, /* PCI-Ex Control #2 */ E1000_FACTPS = 0x05B30, /* Function Active and Power State to MNG */ E1000_SWSM = 0x05B50, /* SW Semaphore */ E1000_FWSM = 0x05B54, /* FW Semaphore */ diff --git a/drivers/net/fec.c b/drivers/net/fec.c index 7e33c12..2769083 100644 --- a/drivers/net/fec.c +++ b/drivers/net/fec.c @@ -1698,7 +1698,7 @@ static void __inline__ fec_set_mii(struct net_device *dev, struct fec_enet_priva /* * Set MII speed to 2.5 MHz */ - fep->phy_speed = ((((MCF_CLK / 2) / (2500000 / 10)) + 5) / 10) * 2; + fep->phy_speed = (MCF_CLK / 3) / (2500000 * 2 ) * 2; fecp->fec_mii_speed = fep->phy_speed; fec_restart(dev, 0); diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c index ea53067..acae2d8 100644 --- a/drivers/net/gianfar.c +++ b/drivers/net/gianfar.c @@ -351,6 +351,9 @@ static int gfar_probe(struct of_device *ofdev, /* Reset MAC layer */ gfar_write(&priv->regs->maccfg1, MACCFG1_SOFT_RESET); + /* We need to delay at least 3 TX clocks */ + udelay(2); + tempval = (MACCFG1_TX_FLOW | MACCFG1_RX_FLOW); gfar_write(&priv->regs->maccfg1, tempval); @@ -1423,15 +1426,11 @@ static void gfar_vlan_rx_register(struct net_device *dev, { struct gfar_private *priv = netdev_priv(dev); unsigned long flags; - struct vlan_group *old_grp; u32 tempval; spin_lock_irqsave(&priv->rxlock, flags); - old_grp = priv->vlgrp; - - if (old_grp == grp) - return; + priv->vlgrp = grp; if (grp) { /* Enable VLAN tag insertion */ diff --git a/drivers/net/gianfar.h b/drivers/net/gianfar.h index b1a8334..eaa8689 100644 --- a/drivers/net/gianfar.h +++ b/drivers/net/gianfar.h @@ -312,7 +312,7 @@ extern const char gfar_driver_version[]; #define ATTRELI_EI(x) (x) #define BD_LFLAG(flags) ((flags) << 16) -#define BD_LENGTH_MASK 0x00ff +#define BD_LENGTH_MASK 0x0000ffff /* TxBD status field bits */ #define TXBD_READY 0x8000 diff --git a/drivers/net/gianfar_mii.c b/drivers/net/gianfar_mii.c index f3706e4..f49a426 100644 --- a/drivers/net/gianfar_mii.c +++ b/drivers/net/gianfar_mii.c @@ -234,6 +234,8 @@ static int gfar_mdio_probe(struct of_device *ofdev, if (NULL == new_bus) return -ENOMEM; + device_init_wakeup(&ofdev->dev, 1); + new_bus->name = "Gianfar MII Bus", new_bus->read = &gfar_mdio_read, new_bus->write = &gfar_mdio_write, diff --git a/drivers/net/ibm_newemac/phy.c b/drivers/net/ibm_newemac/phy.c index c40cd8d..ac9d964 100644 --- a/drivers/net/ibm_newemac/phy.c +++ b/drivers/net/ibm_newemac/phy.c @@ -60,7 +60,7 @@ int emac_mii_reset_phy(struct mii_phy *phy) udelay(300); - while (limit--) { + while (--limit) { val = phy_read(phy, MII_BMCR); if (val >= 0 && (val & BMCR_RESET) == 0) break; @@ -84,7 +84,7 @@ int emac_mii_reset_gpcs(struct mii_phy *phy) udelay(300); - while (limit--) { + while (--limit) { val = gpcs_phy_read(phy, MII_BMCR); if (val >= 0 && (val & BMCR_RESET) == 0) break; diff --git a/drivers/net/igb/e1000_82575.c b/drivers/net/igb/e1000_82575.c index f5e2e72..13ca73f 100644 --- a/drivers/net/igb/e1000_82575.c +++ b/drivers/net/igb/e1000_82575.c @@ -699,11 +699,18 @@ static s32 igb_check_for_link_82575(struct e1000_hw *hw) /* SGMII link check is done through the PCS register. */ if ((hw->phy.media_type != e1000_media_type_copper) || - (igb_sgmii_active_82575(hw))) + (igb_sgmii_active_82575(hw))) { ret_val = igb_get_pcs_speed_and_duplex_82575(hw, &speed, &duplex); - else + /* + * Use this flag to determine if link needs to be checked or + * not. If we have link clear the flag so that we do not + * continue to check for link. + */ + hw->mac.get_link_status = !hw->mac.serdes_has_link; + } else { ret_val = igb_check_for_copper_link(hw); + } return ret_val; } diff --git a/drivers/net/igb/igb.h b/drivers/net/igb/igb.h index 5a27825..aebef8e 100644 --- a/drivers/net/igb/igb.h +++ b/drivers/net/igb/igb.h @@ -300,11 +300,10 @@ struct igb_adapter { #define IGB_FLAG_HAS_MSI (1 << 0) #define IGB_FLAG_MSI_ENABLE (1 << 1) -#define IGB_FLAG_HAS_DCA (1 << 2) -#define IGB_FLAG_DCA_ENABLED (1 << 3) -#define IGB_FLAG_IN_NETPOLL (1 << 5) -#define IGB_FLAG_QUAD_PORT_A (1 << 6) -#define IGB_FLAG_NEED_CTX_IDX (1 << 7) +#define IGB_FLAG_DCA_ENABLED (1 << 2) +#define IGB_FLAG_IN_NETPOLL (1 << 3) +#define IGB_FLAG_QUAD_PORT_A (1 << 4) +#define IGB_FLAG_NEED_CTX_IDX (1 << 5) enum e1000_state_t { __IGB_TESTING, diff --git a/drivers/net/igb/igb_main.c b/drivers/net/igb/igb_main.c index b82b0fb..a50db53 100644 --- a/drivers/net/igb/igb_main.c +++ b/drivers/net/igb/igb_main.c @@ -206,10 +206,11 @@ static int __init igb_init_module(void) global_quad_port_a = 0; - ret = pci_register_driver(&igb_driver); #ifdef CONFIG_IGB_DCA dca_register_notify(&dca_notifier); #endif + + ret = pci_register_driver(&igb_driver); return ret; } @@ -1156,11 +1157,10 @@ static int __devinit igb_probe(struct pci_dev *pdev, /* set flags */ switch (hw->mac.type) { - case e1000_82576: case e1000_82575: - adapter->flags |= IGB_FLAG_HAS_DCA; adapter->flags |= IGB_FLAG_NEED_CTX_IDX; break; + case e1000_82576: default: break; } @@ -1310,8 +1310,7 @@ static int __devinit igb_probe(struct pci_dev *pdev, goto err_register; #ifdef CONFIG_IGB_DCA - if ((adapter->flags & IGB_FLAG_HAS_DCA) && - (dca_add_requester(&pdev->dev) == 0)) { + if (dca_add_requester(&pdev->dev) == 0) { adapter->flags |= IGB_FLAG_DCA_ENABLED; dev_info(&pdev->dev, "DCA enabled\n"); /* Always use CB2 mode, difference is masked @@ -1835,11 +1834,11 @@ static void igb_setup_rctl(struct igb_adapter *adapter) rctl |= E1000_RCTL_SECRC; /* - * disable store bad packets, long packet enable, and clear size bits. + * disable store bad packets and clear size bits. */ - rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_LPE | E1000_RCTL_SZ_256); + rctl &= ~(E1000_RCTL_SBP | E1000_RCTL_SZ_256); - if (adapter->netdev->mtu > ETH_DATA_LEN) + /* enable LPE when to prevent packets larger than max_frame_size */ rctl |= E1000_RCTL_LPE; /* Setup buffer sizes */ @@ -1865,7 +1864,7 @@ static void igb_setup_rctl(struct igb_adapter *adapter) */ /* allocations using alloc_page take too long for regular MTU * so only enable packet split for jumbo frames */ - if (rctl & E1000_RCTL_LPE) { + if (adapter->netdev->mtu > ETH_DATA_LEN) { adapter->rx_ps_hdr_size = IGB_RXBUFFER_128; srrctl |= adapter->rx_ps_hdr_size << E1000_SRRCTL_BSIZEHDRSIZE_SHIFT; @@ -3473,19 +3472,16 @@ static int __igb_notify_dca(struct device *dev, void *data) struct e1000_hw *hw = &adapter->hw; unsigned long event = *(unsigned long *)data; - if (!(adapter->flags & IGB_FLAG_HAS_DCA)) - goto out; - switch (event) { case DCA_PROVIDER_ADD: /* if already enabled, don't do it again */ if (adapter->flags & IGB_FLAG_DCA_ENABLED) break; - adapter->flags |= IGB_FLAG_DCA_ENABLED; /* Always use CB2 mode, difference is masked * in the CB driver. */ wr32(E1000_DCA_CTRL, 2); if (dca_add_requester(dev) == 0) { + adapter->flags |= IGB_FLAG_DCA_ENABLED; dev_info(&adapter->pdev->dev, "DCA enabled\n"); igb_setup_dca(adapter); break; @@ -3502,7 +3498,7 @@ static int __igb_notify_dca(struct device *dev, void *data) } break; } -out: + return 0; } diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c index acef3c6..d2f4d5f 100644 --- a/drivers/net/ixgbe/ixgbe_main.c +++ b/drivers/net/ixgbe/ixgbe_main.c @@ -318,6 +318,9 @@ static void ixgbe_update_rx_dca(struct ixgbe_adapter *adapter, rxctrl |= dca3_get_tag(&adapter->pdev->dev, cpu); rxctrl |= IXGBE_DCA_RXCTRL_DESC_DCA_EN; rxctrl |= IXGBE_DCA_RXCTRL_HEAD_DCA_EN; + rxctrl &= ~(IXGBE_DCA_RXCTRL_DESC_RRO_EN); + rxctrl &= ~(IXGBE_DCA_RXCTRL_DESC_WRO_EN | + IXGBE_DCA_RXCTRL_DESC_HSRO_EN); IXGBE_WRITE_REG(&adapter->hw, IXGBE_DCA_RXCTRL(q), rxctrl); rx_ring->cpu = cpu; } @@ -1741,6 +1744,32 @@ static void ixgbe_configure_rx(struct ixgbe_adapter *adapter) IXGBE_WRITE_REG(hw, IXGBE_RXCSUM, rxcsum); } +static void ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + struct ixgbe_hw *hw = &adapter->hw; + + /* add VID to filter table */ + hw->mac.ops.set_vfta(&adapter->hw, vid, 0, true); +} + +static void ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) +{ + struct ixgbe_adapter *adapter = netdev_priv(netdev); + struct ixgbe_hw *hw = &adapter->hw; + + if (!test_bit(__IXGBE_DOWN, &adapter->state)) + ixgbe_irq_disable(adapter); + + vlan_group_set_device(adapter->vlgrp, vid, NULL); + + if (!test_bit(__IXGBE_DOWN, &adapter->state)) + ixgbe_irq_enable(adapter); + + /* remove VID from filter table */ + hw->mac.ops.set_vfta(&adapter->hw, vid, 0, false); +} + static void ixgbe_vlan_rx_register(struct net_device *netdev, struct vlan_group *grp) { @@ -1760,6 +1789,7 @@ static void ixgbe_vlan_rx_register(struct net_device *netdev, ctrl |= IXGBE_VLNCTRL_VME; ctrl &= ~IXGBE_VLNCTRL_CFIEN; IXGBE_WRITE_REG(&adapter->hw, IXGBE_VLNCTRL, ctrl); + ixgbe_vlan_rx_add_vid(netdev, 0); if (grp) { /* enable VLAN tag insert/strip */ @@ -1773,32 +1803,6 @@ static void ixgbe_vlan_rx_register(struct net_device *netdev, ixgbe_irq_enable(adapter); } -static void ixgbe_vlan_rx_add_vid(struct net_device *netdev, u16 vid) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - - /* add VID to filter table */ - hw->mac.ops.set_vfta(&adapter->hw, vid, 0, true); -} - -static void ixgbe_vlan_rx_kill_vid(struct net_device *netdev, u16 vid) -{ - struct ixgbe_adapter *adapter = netdev_priv(netdev); - struct ixgbe_hw *hw = &adapter->hw; - - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - ixgbe_irq_disable(adapter); - - vlan_group_set_device(adapter->vlgrp, vid, NULL); - - if (!test_bit(__IXGBE_DOWN, &adapter->state)) - ixgbe_irq_enable(adapter); - - /* remove VID from filter table */ - hw->mac.ops.set_vfta(&adapter->hw, vid, 0, false); -} - static void ixgbe_restore_vlan(struct ixgbe_adapter *adapter) { ixgbe_vlan_rx_register(adapter->netdev, adapter->vlgrp); @@ -2074,6 +2078,9 @@ static int ixgbe_up_complete(struct ixgbe_adapter *adapter) ixgbe_irq_enable(adapter); + /* enable transmits */ + netif_tx_start_all_queues(netdev); + /* bring the link up in the watchdog, this could race with our first * link up interrupt but shouldn't be a problem */ adapter->flags |= IXGBE_FLAG_NEED_LINK_UPDATE; @@ -3475,7 +3482,6 @@ static void ixgbe_watchdog_task(struct work_struct *work) (FLOW_TX ? "TX" : "None")))); netif_carrier_on(netdev); - netif_tx_wake_all_queues(netdev); } else { /* Force detection of hung controller */ adapter->detect_tx_hung = true; @@ -3487,7 +3493,6 @@ static void ixgbe_watchdog_task(struct work_struct *work) printk(KERN_INFO "ixgbe: %s NIC Link is Down\n", netdev->name); netif_carrier_off(netdev); - netif_tx_stop_all_queues(netdev); } } @@ -4218,7 +4223,6 @@ static int __devinit ixgbe_probe(struct pci_dev *pdev, } netif_carrier_off(netdev); - netif_tx_stop_all_queues(netdev); strcpy(netdev->name, "eth%d"); err = register_netdev(netdev); diff --git a/drivers/net/ixgbe/ixgbe_type.h b/drivers/net/ixgbe/ixgbe_type.h index 83a11ff..f011c57 100644 --- a/drivers/net/ixgbe/ixgbe_type.h +++ b/drivers/net/ixgbe/ixgbe_type.h @@ -404,6 +404,9 @@ #define IXGBE_DCA_RXCTRL_DESC_DCA_EN (1 << 5) /* DCA Rx Desc enable */ #define IXGBE_DCA_RXCTRL_HEAD_DCA_EN (1 << 6) /* DCA Rx Desc header enable */ #define IXGBE_DCA_RXCTRL_DATA_DCA_EN (1 << 7) /* DCA Rx Desc payload enable */ +#define IXGBE_DCA_RXCTRL_DESC_RRO_EN (1 << 9) /* DCA Rx rd Desc Relax Order */ +#define IXGBE_DCA_RXCTRL_DESC_WRO_EN (1 << 13) /* DCA Rx wr Desc Relax Order */ +#define IXGBE_DCA_RXCTRL_DESC_HSRO_EN (1 << 15) /* DCA Rx Split Header RO */ #define IXGBE_DCA_TXCTRL_CPUID_MASK 0x0000001F /* Tx CPUID Mask */ #define IXGBE_DCA_TXCTRL_DESC_DCA_EN (1 << 5) /* DCA Tx Desc enable */ diff --git a/drivers/net/korina.c b/drivers/net/korina.c index 1d6e48e..75010ca 100644 --- a/drivers/net/korina.c +++ b/drivers/net/korina.c @@ -416,6 +416,9 @@ static int korina_rx(struct net_device *dev, int limit) if (devcs & ETH_RX_MP) dev->stats.multicast++; + /* 16 bit align */ + skb_reserve(skb_new, 2); + lp->rx_skb[lp->rx_next_done] = skb_new; } @@ -740,6 +743,7 @@ static struct ethtool_ops netdev_ethtool_ops = { static void korina_alloc_ring(struct net_device *dev) { struct korina_private *lp = netdev_priv(dev); + struct sk_buff *skb; int i; /* Initialize the transmit descriptors */ @@ -755,8 +759,6 @@ static void korina_alloc_ring(struct net_device *dev) /* Initialize the receive descriptors */ for (i = 0; i < KORINA_NUM_RDS; i++) { - struct sk_buff *skb = lp->rx_skb[i]; - skb = dev_alloc_skb(KORINA_RBSIZE + 2); if (!skb) break; @@ -769,11 +771,12 @@ static void korina_alloc_ring(struct net_device *dev) lp->rd_ring[i].link = CPHYSADDR(&lp->rd_ring[i+1]); } - /* loop back */ - lp->rd_ring[i].link = CPHYSADDR(&lp->rd_ring[0]); - lp->rx_next_done = 0; + /* loop back receive descriptors, so the last + * descriptor points to the first one */ + lp->rd_ring[i - 1].link = CPHYSADDR(&lp->rd_ring[0]); + lp->rd_ring[i - 1].control |= DMA_DESC_COD; - lp->rd_ring[i].control |= DMA_DESC_COD; + lp->rx_next_done = 0; lp->rx_chain_head = 0; lp->rx_chain_tail = 0; lp->rx_chain_status = desc_empty; diff --git a/drivers/net/macb.c b/drivers/net/macb.c index a04da4e..f6c4936 100644 --- a/drivers/net/macb.c +++ b/drivers/net/macb.c @@ -321,6 +321,10 @@ static void macb_tx(struct macb *bp) printk(KERN_ERR "%s: TX underrun, resetting buffers\n", bp->dev->name); + /* Transfer ongoing, disable transmitter, to avoid confusion */ + if (status & MACB_BIT(TGO)) + macb_writel(bp, NCR, macb_readl(bp, NCR) & ~MACB_BIT(TE)); + head = bp->tx_head; /*Mark all the buffer as used to avoid sending a lost buffer*/ @@ -343,6 +347,10 @@ static void macb_tx(struct macb *bp) } bp->tx_head = bp->tx_tail = 0; + + /* Enable the transmitter again */ + if (status & MACB_BIT(TGO)) + macb_writel(bp, NCR, macb_readl(bp, NCR) | MACB_BIT(TE)); } if (!(status & MACB_BIT(COMP))) diff --git a/drivers/net/mlx4/profile.c b/drivers/net/mlx4/profile.c index 919fb9e..cebdf32 100644 --- a/drivers/net/mlx4/profile.c +++ b/drivers/net/mlx4/profile.c @@ -107,9 +107,9 @@ u64 mlx4_make_profile(struct mlx4_dev *dev, profile[MLX4_RES_AUXC].num = request->num_qp; profile[MLX4_RES_SRQ].num = request->num_srq; profile[MLX4_RES_CQ].num = request->num_cq; - profile[MLX4_RES_EQ].num = min(dev_cap->max_eqs, - dev_cap->reserved_eqs + - num_possible_cpus() + 1); + profile[MLX4_RES_EQ].num = min_t(unsigned, dev_cap->max_eqs, + dev_cap->reserved_eqs + + num_possible_cpus() + 1); profile[MLX4_RES_DMPT].num = request->num_mpt; profile[MLX4_RES_CMPT].num = MLX4_NUM_CMPTS; profile[MLX4_RES_MTT].num = request->num_mtt; diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 7253a49..5f31bbb 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -136,21 +136,23 @@ static char mv643xx_eth_driver_version[] = "1.4"; /* * SDMA configuration register. */ +#define RX_BURST_SIZE_4_64BIT (2 << 1) #define RX_BURST_SIZE_16_64BIT (4 << 1) #define BLM_RX_NO_SWAP (1 << 4) #define BLM_TX_NO_SWAP (1 << 5) +#define TX_BURST_SIZE_4_64BIT (2 << 22) #define TX_BURST_SIZE_16_64BIT (4 << 22) #if defined(__BIG_ENDIAN) #define PORT_SDMA_CONFIG_DEFAULT_VALUE \ - (RX_BURST_SIZE_16_64BIT | \ - TX_BURST_SIZE_16_64BIT) + (RX_BURST_SIZE_4_64BIT | \ + TX_BURST_SIZE_4_64BIT) #elif defined(__LITTLE_ENDIAN) #define PORT_SDMA_CONFIG_DEFAULT_VALUE \ - (RX_BURST_SIZE_16_64BIT | \ - BLM_RX_NO_SWAP | \ - BLM_TX_NO_SWAP | \ - TX_BURST_SIZE_16_64BIT) + (RX_BURST_SIZE_4_64BIT | \ + BLM_RX_NO_SWAP | \ + BLM_TX_NO_SWAP | \ + TX_BURST_SIZE_4_64BIT) #else #error One of __BIG_ENDIAN or __LITTLE_ENDIAN must be defined #endif @@ -1594,7 +1596,7 @@ oom: entry = addr_crc(a); } - table[entry >> 2] |= 1 << (entry & 3); + table[entry >> 2] |= 1 << (8 * (entry & 3)); } for (i = 0; i < 0x100; i += 4) { @@ -2210,6 +2212,7 @@ static int mv643xx_eth_stop(struct net_device *dev) struct mv643xx_eth_private *mp = netdev_priv(dev); int i; + wrlp(mp, INT_MASK_EXT, 0x00000000); wrlp(mp, INT_MASK, 0x00000000); rdlp(mp, INT_MASK); diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c index 6bb71b6..e9c1296 100644 --- a/drivers/net/myri10ge/myri10ge.c +++ b/drivers/net/myri10ge/myri10ge.c @@ -1,7 +1,7 @@ /************************************************************************* * myri10ge.c: Myricom Myri-10G Ethernet driver. * - * Copyright (C) 2005 - 2007 Myricom, Inc. + * Copyright (C) 2005 - 2009 Myricom, Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -75,7 +75,7 @@ #include "myri10ge_mcp.h" #include "myri10ge_mcp_gen_header.h" -#define MYRI10GE_VERSION_STR "1.4.4-1.398" +#define MYRI10GE_VERSION_STR "1.4.4-1.401" MODULE_DESCRIPTION("Myricom 10G driver (10GbE)"); MODULE_AUTHOR("Maintainer: help@myri.com"); @@ -3786,7 +3786,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) if (status != 0) { dev_err(&pdev->dev, "Error %d writing PCI_EXP_DEVCTL\n", status); - goto abort_with_netdev; + goto abort_with_enabled; } pci_set_master(pdev); @@ -3801,13 +3801,13 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent) } if (status != 0) { dev_err(&pdev->dev, "Error %d setting DMA mask\n", status); - goto abort_with_netdev; + goto abort_with_enabled; } (void)pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK); mgp->cmd = dma_alloc_coherent(&pdev->dev, sizeof(*mgp->cmd), &mgp->cmd_bus, GFP_KERNEL); if (mgp->cmd == NULL) - goto abort_with_netdev; + goto abort_with_enabled; mgp->board_span = pci_resource_len(pdev, 0); mgp->iomem_base = pci_resource_start(pdev, 0); @@ -3943,8 +3943,10 @@ abort_with_mtrr: dma_free_coherent(&pdev->dev, sizeof(*mgp->cmd), mgp->cmd, mgp->cmd_bus); -abort_with_netdev: +abort_with_enabled: + pci_disable_device(pdev); +abort_with_netdev: free_netdev(netdev); return status; } @@ -3990,6 +3992,7 @@ static void myri10ge_remove(struct pci_dev *pdev) mgp->cmd, mgp->cmd_bus); free_netdev(netdev); + pci_disable_device(pdev); pci_set_drvdata(pdev, NULL); } diff --git a/drivers/net/netxen/netxen_nic.h b/drivers/net/netxen/netxen_nic.h index c11c568..9c78c96 100644 --- a/drivers/net/netxen/netxen_nic.h +++ b/drivers/net/netxen/netxen_nic.h @@ -146,7 +146,7 @@ #define MAX_RX_BUFFER_LENGTH 1760 #define MAX_RX_JUMBO_BUFFER_LENGTH 8062 -#define MAX_RX_LRO_BUFFER_LENGTH ((48*1024)-512) +#define MAX_RX_LRO_BUFFER_LENGTH (8062) #define RX_DMA_MAP_LEN (MAX_RX_BUFFER_LENGTH - 2) #define RX_JUMBO_DMA_MAP_LEN \ (MAX_RX_JUMBO_BUFFER_LENGTH - 2) @@ -207,11 +207,11 @@ #define MAX_CMD_DESCRIPTORS 4096 #define MAX_RCV_DESCRIPTORS 16384 -#define MAX_CMD_DESCRIPTORS_HOST (MAX_CMD_DESCRIPTORS / 4) -#define MAX_RCV_DESCRIPTORS_1G (MAX_RCV_DESCRIPTORS / 4) -#define MAX_RCV_DESCRIPTORS_10G 8192 +#define MAX_CMD_DESCRIPTORS_HOST 1024 +#define MAX_RCV_DESCRIPTORS_1G 2048 +#define MAX_RCV_DESCRIPTORS_10G 4096 #define MAX_JUMBO_RCV_DESCRIPTORS 1024 -#define MAX_LRO_RCV_DESCRIPTORS 64 +#define MAX_LRO_RCV_DESCRIPTORS 8 #define MAX_RCVSTATUS_DESCRIPTORS MAX_RCV_DESCRIPTORS #define MAX_JUMBO_RCV_DESC MAX_JUMBO_RCV_DESCRIPTORS #define MAX_RCV_DESC MAX_RCV_DESCRIPTORS diff --git a/drivers/net/netxen/netxen_nic_ethtool.c b/drivers/net/netxen/netxen_nic_ethtool.c index c0bd40f..0894a7b 100644 --- a/drivers/net/netxen/netxen_nic_ethtool.c +++ b/drivers/net/netxen/netxen_nic_ethtool.c @@ -561,7 +561,10 @@ netxen_nic_get_ringparam(struct net_device *dev, struct ethtool_ringparam *ring) } ring->tx_pending = adapter->max_tx_desc_count; - ring->rx_max_pending = MAX_RCV_DESCRIPTORS; + if (adapter->ahw.board_type == NETXEN_NIC_GBE) + ring->rx_max_pending = MAX_RCV_DESCRIPTORS_1G; + else + ring->rx_max_pending = MAX_RCV_DESCRIPTORS_10G; ring->tx_max_pending = MAX_CMD_DESCRIPTORS_HOST; ring->rx_jumbo_max_pending = MAX_JUMBO_RCV_DESCRIPTORS; ring->rx_mini_max_pending = 0; diff --git a/drivers/net/netxen/netxen_nic_init.c b/drivers/net/netxen/netxen_nic_init.c index ca7c8d8..ffd37be 100644 --- a/drivers/net/netxen/netxen_nic_init.c +++ b/drivers/net/netxen/netxen_nic_init.c @@ -947,8 +947,10 @@ int netxen_pinit_from_rom(struct netxen_adapter *adapter, int verbose) } for (i = 0; i < n; i++) { if (netxen_rom_fast_read(adapter, 8*i + 4*offset, &val) != 0 || - netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) + netxen_rom_fast_read(adapter, 8*i + 4*offset + 4, &addr) != 0) { + kfree(buf); return -EIO; + } buf[i].addr = addr; buf[i].data = val; diff --git a/drivers/net/netxen/netxen_nic_main.c b/drivers/net/netxen/netxen_nic_main.c index d854f07..645d384 100644 --- a/drivers/net/netxen/netxen_nic_main.c +++ b/drivers/net/netxen/netxen_nic_main.c @@ -735,17 +735,18 @@ netxen_nic_probe(struct pci_dev *pdev, const struct pci_device_id *ent) SET_ETHTOOL_OPS(netdev, &netxen_nic_ethtool_ops); - /* ScatterGather support */ - netdev->features = NETIF_F_SG; - netdev->features |= NETIF_F_IP_CSUM; - netdev->features |= NETIF_F_TSO; + netdev->features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); + netdev->vlan_features |= (NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO); + if (NX_IS_REVISION_P3(revision_id)) { - netdev->features |= NETIF_F_IPV6_CSUM; - netdev->features |= NETIF_F_TSO6; + netdev->features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); + netdev->vlan_features |= (NETIF_F_IPV6_CSUM | NETIF_F_TSO6); } - if (adapter->pci_using_dac) + if (adapter->pci_using_dac) { netdev->features |= NETIF_F_HIGHDMA; + netdev->vlan_features |= NETIF_F_HIGHDMA; + } /* * Set the CRB window to invalid. If any register in window 0 is @@ -1166,6 +1167,14 @@ static bool netxen_tso_check(struct net_device *netdev, { bool tso = false; u8 opcode = TX_ETHER_PKT; + __be16 protocol = skb->protocol; + u16 flags = 0; + + if (protocol == __constant_htons(ETH_P_8021Q)) { + struct vlan_ethhdr *vh = (struct vlan_ethhdr *)skb->data; + protocol = vh->h_vlan_encapsulated_proto; + flags = FLAGS_VLAN_TAGGED; + } if ((netdev->features & (NETIF_F_TSO | NETIF_F_TSO6)) && skb_shinfo(skb)->gso_size > 0) { @@ -1174,21 +1183,21 @@ static bool netxen_tso_check(struct net_device *netdev, desc->total_hdr_length = skb_transport_offset(skb) + tcp_hdrlen(skb); - opcode = (skb->protocol == htons(ETH_P_IPV6)) ? + opcode = (protocol == __constant_htons(ETH_P_IPV6)) ? TX_TCP_LSO6 : TX_TCP_LSO; tso = true; } else if (skb->ip_summed == CHECKSUM_PARTIAL) { u8 l4proto; - if (skb->protocol == htons(ETH_P_IP)) { + if (protocol == __constant_htons(ETH_P_IP)) { l4proto = ip_hdr(skb)->protocol; if (l4proto == IPPROTO_TCP) opcode = TX_TCP_PKT; else if(l4proto == IPPROTO_UDP) opcode = TX_UDP_PKT; - } else if (skb->protocol == htons(ETH_P_IPV6)) { + } else if (protocol == __constant_htons(ETH_P_IPV6)) { l4proto = ipv6_hdr(skb)->nexthdr; if (l4proto == IPPROTO_TCP) @@ -1199,7 +1208,7 @@ static bool netxen_tso_check(struct net_device *netdev, } desc->tcp_hdr_offset = skb_transport_offset(skb); desc->ip_hdr_offset = skb_network_offset(skb); - netxen_set_tx_flags_opcode(desc, 0, opcode); + netxen_set_tx_flags_opcode(desc, flags, opcode); return tso; } diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c index c38ed77..a699940 100644 --- a/drivers/net/pcmcia/pcnet_cs.c +++ b/drivers/net/pcmcia/pcnet_cs.c @@ -586,7 +586,7 @@ static int pcnet_config(struct pcmcia_device *link) } if ((link->conf.ConfigBase == 0x03c0) - && (link->manf_id == 0x149) && (link->card_id = 0xc1ab)) { + && (link->manf_id == 0x149) && (link->card_id == 0xc1ab)) { printk(KERN_INFO "pcnet_cs: this is an AX88190 card!\n"); printk(KERN_INFO "pcnet_cs: use axnet_cs instead.\n"); goto failed; diff --git a/drivers/net/phy/mdio_bus.c b/drivers/net/phy/mdio_bus.c index 11adf6e..811a63769 100644 --- a/drivers/net/phy/mdio_bus.c +++ b/drivers/net/phy/mdio_bus.c @@ -296,9 +296,8 @@ static int mdio_bus_suspend(struct device * dev, pm_message_t state) struct phy_driver *phydrv = to_phy_driver(drv); struct phy_device *phydev = to_phy_device(dev); - if ((!device_may_wakeup(phydev->dev.parent)) && - (phydrv && phydrv->suspend)) - ret = phydrv->suspend(phydev); + if (drv && phydrv->suspend && !device_may_wakeup(phydev->dev.parent)) + ret = phydrv->suspend(phydev); return ret; } @@ -310,8 +309,7 @@ static int mdio_bus_resume(struct device * dev) struct phy_driver *phydrv = to_phy_driver(drv); struct phy_device *phydev = to_phy_device(dev); - if ((!device_may_wakeup(phydev->dev.parent)) && - (phydrv && phydrv->resume)) + if (drv && phydrv->resume && !device_may_wakeup(phydev->dev.parent)) ret = phydrv->resume(phydev); return ret; diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index c05d38d..1387187 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -81,6 +81,9 @@ static struct phy_driver lan83c185_driver = { .ack_interrupt = smsc_phy_ack_interrupt, .config_intr = smsc_phy_config_intr, + .suspend = genphy_suspend, + .resume = genphy_resume, + .driver = { .owner = THIS_MODULE, } }; @@ -102,6 +105,9 @@ static struct phy_driver lan8187_driver = { .ack_interrupt = smsc_phy_ack_interrupt, .config_intr = smsc_phy_config_intr, + .suspend = genphy_suspend, + .resume = genphy_resume, + .driver = { .owner = THIS_MODULE, } }; @@ -123,6 +129,9 @@ static struct phy_driver lan8700_driver = { .ack_interrupt = smsc_phy_ack_interrupt, .config_intr = smsc_phy_config_intr, + .suspend = genphy_suspend, + .resume = genphy_resume, + .driver = { .owner = THIS_MODULE, } }; @@ -144,6 +153,9 @@ static struct phy_driver lan911x_int_driver = { .ack_interrupt = smsc_phy_ack_interrupt, .config_intr = smsc_phy_config_intr, + .suspend = genphy_suspend, + .resume = genphy_resume, + .driver = { .owner = THIS_MODULE, } }; diff --git a/drivers/net/ps3_gelic_wireless.c b/drivers/net/ps3_gelic_wireless.c index ec23142..335da483 100644 --- a/drivers/net/ps3_gelic_wireless.c +++ b/drivers/net/ps3_gelic_wireless.c @@ -2168,7 +2168,7 @@ static void gelic_wl_connected_event(struct gelic_wl_info *wl, complete(&wl->assoc_done); netif_carrier_on(port_to_netdev(wl_port(wl))); } else - pr_debug("%s: event %#lx under wpa\n", + pr_debug("%s: event %#llx under wpa\n", __func__, event); } diff --git a/drivers/net/qlge/qlge.h b/drivers/net/qlge/qlge.h index c1dadad..e6fdce9 100644 --- a/drivers/net/qlge/qlge.h +++ b/drivers/net/qlge/qlge.h @@ -787,12 +787,12 @@ struct mbox_params { struct flash_params { u8 dev_id_str[4]; - u16 size; - u16 csum; - u16 ver; - u16 sub_dev_id; + __le16 size; + __le16 csum; + __le16 ver; + __le16 sub_dev_id; u8 mac_addr[6]; - u16 res; + __le16 res; }; diff --git a/drivers/net/qlge/qlge_main.c b/drivers/net/qlge/qlge_main.c index 45421c8..3d1d7b6 100644 --- a/drivers/net/qlge/qlge_main.c +++ b/drivers/net/qlge/qlge_main.c @@ -641,7 +641,7 @@ static void ql_enable_all_completion_interrupts(struct ql_adapter *qdev) } -static int ql_read_flash_word(struct ql_adapter *qdev, int offset, u32 *data) +static int ql_read_flash_word(struct ql_adapter *qdev, int offset, __le32 *data) { int status = 0; /* wait for reg to come ready */ @@ -656,8 +656,11 @@ static int ql_read_flash_word(struct ql_adapter *qdev, int offset, u32 *data) FLASH_ADDR, FLASH_ADDR_RDY, FLASH_ADDR_ERR); if (status) goto exit; - /* get the data */ - *data = ql_read32(qdev, FLASH_DATA); + /* This data is stored on flash as an array of + * __le32. Since ql_read32() returns cpu endian + * we need to swap it back. + */ + *data = cpu_to_le32(ql_read32(qdev, FLASH_DATA)); exit: return status; } @@ -666,13 +669,20 @@ static int ql_get_flash_params(struct ql_adapter *qdev) { int i; int status; - u32 *p = (u32 *)&qdev->flash; + __le32 *p = (__le32 *)&qdev->flash; + u32 offset = 0; + + /* Second function's parameters follow the first + * function's. + */ + if (qdev->func) + offset = sizeof(qdev->flash) / sizeof(u32); if (ql_sem_spinlock(qdev, SEM_FLASH_MASK)) return -ETIMEDOUT; for (i = 0; i < sizeof(qdev->flash) / sizeof(u32); i++, p++) { - status = ql_read_flash_word(qdev, i, p); + status = ql_read_flash_word(qdev, i+offset, p); if (status) { QPRINTK(qdev, IFUP, ERR, "Error reading flash.\n"); goto exit; @@ -3826,7 +3836,7 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state) { struct net_device *ndev = pci_get_drvdata(pdev); struct ql_adapter *qdev = netdev_priv(ndev); - int err; + int err, i; netif_device_detach(ndev); @@ -3836,6 +3846,9 @@ static int qlge_suspend(struct pci_dev *pdev, pm_message_t state) return err; } + for (i = qdev->rss_ring_first_cq_id; i < qdev->rx_ring_count; i++) + netif_napi_del(&qdev->rx_ring[i].napi); + err = pci_save_state(pdev); if (err) return err; diff --git a/drivers/net/r6040.c b/drivers/net/r6040.c index 72fd9e9..b2dcdb5 100644 --- a/drivers/net/r6040.c +++ b/drivers/net/r6040.c @@ -438,7 +438,6 @@ static void r6040_down(struct net_device *dev) { struct r6040_private *lp = netdev_priv(dev); void __iomem *ioaddr = lp->base; - struct pci_dev *pdev = lp->pdev; int limit = 2048; u16 *adrp; u16 cmd; diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index 101c00a..847e9bb 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -676,9 +676,8 @@ static int efx_init_port(struct efx_nic *efx) rc = efx->phy_op->init(efx); if (rc) return rc; - efx->phy_op->reconfigure(efx); - mutex_lock(&efx->mac_lock); + efx->phy_op->reconfigure(efx); rc = falcon_switch_mac(efx); mutex_unlock(&efx->mac_lock); if (rc) @@ -686,7 +685,7 @@ static int efx_init_port(struct efx_nic *efx) efx->mac_op->reconfigure(efx); efx->port_initialized = true; - efx->stats_enabled = true; + efx_stats_enable(efx); return 0; fail: @@ -735,6 +734,7 @@ static void efx_fini_port(struct efx_nic *efx) if (!efx->port_initialized) return; + efx_stats_disable(efx); efx->phy_op->fini(efx); efx->port_initialized = false; @@ -1368,6 +1368,20 @@ static int efx_net_stop(struct net_device *net_dev) return 0; } +void efx_stats_disable(struct efx_nic *efx) +{ + spin_lock(&efx->stats_lock); + ++efx->stats_disable_count; + spin_unlock(&efx->stats_lock); +} + +void efx_stats_enable(struct efx_nic *efx) +{ + spin_lock(&efx->stats_lock); + --efx->stats_disable_count; + spin_unlock(&efx->stats_lock); +} + /* Context: process, dev_base_lock or RTNL held, non-blocking. */ static struct net_device_stats *efx_net_stats(struct net_device *net_dev) { @@ -1376,12 +1390,12 @@ static struct net_device_stats *efx_net_stats(struct net_device *net_dev) struct net_device_stats *stats = &net_dev->stats; /* Update stats if possible, but do not wait if another thread - * is updating them (or resetting the NIC); slightly stale - * stats are acceptable. + * is updating them or if MAC stats fetches are temporarily + * disabled; slightly stale stats are acceptable. */ if (!spin_trylock(&efx->stats_lock)) return stats; - if (efx->stats_enabled) { + if (!efx->stats_disable_count) { efx->mac_op->update_stats(efx); falcon_update_nic_stats(efx); } @@ -1629,16 +1643,12 @@ static void efx_unregister_netdev(struct efx_nic *efx) /* Tears down the entire software state and most of the hardware state * before reset. */ -void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd) +void efx_reset_down(struct efx_nic *efx, enum reset_type method, + struct ethtool_cmd *ecmd) { EFX_ASSERT_RESET_SERIALISED(efx); - /* The net_dev->get_stats handler is quite slow, and will fail - * if a fetch is pending over reset. Serialise against it. */ - spin_lock(&efx->stats_lock); - efx->stats_enabled = false; - spin_unlock(&efx->stats_lock); - + efx_stats_disable(efx); efx_stop_all(efx); mutex_lock(&efx->mac_lock); mutex_lock(&efx->spi_lock); @@ -1646,6 +1656,8 @@ void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd) efx->phy_op->get_settings(efx, ecmd); efx_fini_channels(efx); + if (efx->port_initialized && method != RESET_TYPE_INVISIBLE) + efx->phy_op->fini(efx); } /* This function will always ensure that the locks acquired in @@ -1653,7 +1665,8 @@ void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd) * that we were unable to reinitialise the hardware, and the * driver should be disabled. If ok is false, then the rx and tx * engines are not restarted, pending a RESET_DISABLE. */ -int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd, bool ok) +int efx_reset_up(struct efx_nic *efx, enum reset_type method, + struct ethtool_cmd *ecmd, bool ok) { int rc; @@ -1665,6 +1678,15 @@ int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd, bool ok) ok = false; } + if (efx->port_initialized && method != RESET_TYPE_INVISIBLE) { + if (ok) { + rc = efx->phy_op->init(efx); + if (rc) + ok = false; + } else + efx->port_initialized = false; + } + if (ok) { efx_init_channels(efx); @@ -1677,7 +1699,7 @@ int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd, bool ok) if (ok) { efx_start_all(efx); - efx->stats_enabled = true; + efx_stats_enable(efx); } return rc; } @@ -1709,7 +1731,7 @@ static int efx_reset(struct efx_nic *efx) EFX_INFO(efx, "resetting (%d)\n", method); - efx_reset_down(efx, &ecmd); + efx_reset_down(efx, method, &ecmd); rc = falcon_reset_hw(efx, method); if (rc) { @@ -1728,10 +1750,10 @@ static int efx_reset(struct efx_nic *efx) /* Leave device stopped if necessary */ if (method == RESET_TYPE_DISABLE) { - efx_reset_up(efx, &ecmd, false); + efx_reset_up(efx, method, &ecmd, false); rc = -EIO; } else { - rc = efx_reset_up(efx, &ecmd, true); + rc = efx_reset_up(efx, method, &ecmd, true); } out_disable: @@ -1883,6 +1905,7 @@ static int efx_init_struct(struct efx_nic *efx, struct efx_nic_type *type, efx->rx_checksum_enabled = true; spin_lock_init(&efx->netif_stop_lock); spin_lock_init(&efx->stats_lock); + efx->stats_disable_count = 1; mutex_init(&efx->mac_lock); efx->mac_op = &efx_dummy_mac_operations; efx->phy_op = &efx_dummy_phy_operations; diff --git a/drivers/net/sfc/efx.h b/drivers/net/sfc/efx.h index 0dd7a53..55d0f13 100644 --- a/drivers/net/sfc/efx.h +++ b/drivers/net/sfc/efx.h @@ -36,13 +36,16 @@ extern void efx_process_channel_now(struct efx_channel *channel); extern void efx_flush_queues(struct efx_nic *efx); /* Ports */ +extern void efx_stats_disable(struct efx_nic *efx); +extern void efx_stats_enable(struct efx_nic *efx); extern void efx_reconfigure_port(struct efx_nic *efx); extern void __efx_reconfigure_port(struct efx_nic *efx); /* Reset handling */ -extern void efx_reset_down(struct efx_nic *efx, struct ethtool_cmd *ecmd); -extern int efx_reset_up(struct efx_nic *efx, struct ethtool_cmd *ecmd, - bool ok); +extern void efx_reset_down(struct efx_nic *efx, enum reset_type method, + struct ethtool_cmd *ecmd); +extern int efx_reset_up(struct efx_nic *efx, enum reset_type method, + struct ethtool_cmd *ecmd, bool ok); /* Global */ extern void efx_schedule_reset(struct efx_nic *efx, enum reset_type type); diff --git a/drivers/net/sfc/ethtool.c b/drivers/net/sfc/ethtool.c index 53d259e..7b5924c0 100644 --- a/drivers/net/sfc/ethtool.c +++ b/drivers/net/sfc/ethtool.c @@ -219,9 +219,6 @@ int efx_ethtool_set_settings(struct net_device *net_dev, struct efx_nic *efx = netdev_priv(net_dev); int rc; - if (EFX_WORKAROUND_13963(efx) && !ecmd->autoneg) - return -EINVAL; - /* Falcon GMAC does not support 1000Mbps HD */ if (ecmd->speed == SPEED_1000 && ecmd->duplex != DUPLEX_FULL) { EFX_LOG(efx, "rejecting unsupported 1000Mbps HD" diff --git a/drivers/net/sfc/falcon.c b/drivers/net/sfc/falcon.c index 5b9f2d9..d5378e6 100644 --- a/drivers/net/sfc/falcon.c +++ b/drivers/net/sfc/falcon.c @@ -824,10 +824,6 @@ static void falcon_handle_rx_not_ok(struct efx_rx_queue *rx_queue, rx_ev_pause_frm ? " [PAUSE]" : ""); } #endif - - if (unlikely(rx_ev_eth_crc_err && EFX_WORKAROUND_10750(efx) && - efx->phy_type == PHY_TYPE_SFX7101)) - tenxpress_crc_err(efx); } /* Handle receive events that are not in-order. */ @@ -1887,7 +1883,7 @@ static int falcon_reset_macs(struct efx_nic *efx) /* MAC stats will fail whilst the TX fifo is draining. Serialise * the drain sequence with the statistics fetch */ - spin_lock(&efx->stats_lock); + efx_stats_disable(efx); falcon_read(efx, ®, MAC0_CTRL_REG_KER); EFX_SET_OWORD_FIELD(reg, TXFIFO_DRAIN_EN_B0, 1); @@ -1917,7 +1913,7 @@ static int falcon_reset_macs(struct efx_nic *efx) udelay(10); } - spin_unlock(&efx->stats_lock); + efx_stats_enable(efx); /* If we've reset the EM block and the link is up, then * we'll have to kick the XAUI link so the PHY can recover */ @@ -2277,6 +2273,10 @@ int falcon_switch_mac(struct efx_nic *efx) struct efx_mac_operations *old_mac_op = efx->mac_op; efx_oword_t nic_stat; unsigned strap_val; + int rc = 0; + + /* Don't try to fetch MAC stats while we're switching MACs */ + efx_stats_disable(efx); /* Internal loopbacks override the phy speed setting */ if (efx->loopback_mode == LOOPBACK_GMAC) { @@ -2287,16 +2287,12 @@ int falcon_switch_mac(struct efx_nic *efx) efx->link_fd = true; } + WARN_ON(!mutex_is_locked(&efx->mac_lock)); efx->mac_op = (EFX_IS10G(efx) ? &falcon_xmac_operations : &falcon_gmac_operations); - if (old_mac_op == efx->mac_op) - return 0; - - WARN_ON(!mutex_is_locked(&efx->mac_lock)); - - /* Not all macs support a mac-level link state */ - efx->mac_up = true; + /* Always push the NIC_STAT_REG setting even if the mac hasn't + * changed, because this function is run post online reset */ falcon_read(efx, &nic_stat, NIC_STAT_REG); strap_val = EFX_IS10G(efx) ? 5 : 3; if (falcon_rev(efx) >= FALCON_REV_B0) { @@ -2309,9 +2305,17 @@ int falcon_switch_mac(struct efx_nic *efx) BUG_ON(EFX_OWORD_FIELD(nic_stat, STRAP_PINS) != strap_val); } + if (old_mac_op == efx->mac_op) + goto out; EFX_LOG(efx, "selected %cMAC\n", EFX_IS10G(efx) ? 'X' : 'G'); - return falcon_reset_macs(efx); + /* Not all macs support a mac-level link state */ + efx->mac_up = true; + + rc = falcon_reset_macs(efx); +out: + efx_stats_enable(efx); + return rc; } /* This call is responsible for hooking in the MAC and PHY operations */ diff --git a/drivers/net/sfc/mdio_10g.c b/drivers/net/sfc/mdio_10g.c index f6a16428..f9e2f95 100644 --- a/drivers/net/sfc/mdio_10g.c +++ b/drivers/net/sfc/mdio_10g.c @@ -15,6 +15,7 @@ #include "net_driver.h" #include "mdio_10g.h" #include "boards.h" +#include "workarounds.h" int mdio_clause45_reset_mmd(struct efx_nic *port, int mmd, int spins, int spintime) @@ -179,17 +180,12 @@ bool mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask) return false; else if (efx_phy_mode_disabled(efx->phy_mode)) return false; - else if (efx->loopback_mode == LOOPBACK_PHYXS) { + else if (efx->loopback_mode == LOOPBACK_PHYXS) mmd_mask &= ~(MDIO_MMDREG_DEVS_PHYXS | MDIO_MMDREG_DEVS_PCS | MDIO_MMDREG_DEVS_PMAPMD | MDIO_MMDREG_DEVS_AN); - if (!mmd_mask) { - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS, - MDIO_PHYXS_STATUS2); - return !(reg & (1 << MDIO_PHYXS_STATUS2_RX_FAULT_LBN)); - } - } else if (efx->loopback_mode == LOOPBACK_PCS) + else if (efx->loopback_mode == LOOPBACK_PCS) mmd_mask &= ~(MDIO_MMDREG_DEVS_PCS | MDIO_MMDREG_DEVS_PMAPMD | MDIO_MMDREG_DEVS_AN); @@ -197,6 +193,13 @@ bool mdio_clause45_links_ok(struct efx_nic *efx, unsigned int mmd_mask) mmd_mask &= ~(MDIO_MMDREG_DEVS_PMAPMD | MDIO_MMDREG_DEVS_AN); + if (!mmd_mask) { + /* Use presence of XGMII faults in leui of link state */ + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PHYXS, + MDIO_PHYXS_STATUS2); + return !(reg & (1 << MDIO_PHYXS_STATUS2_RX_FAULT_LBN)); + } + while (mmd_mask) { if (mmd_mask & 1) { /* Double reads because link state is latched, and a @@ -263,7 +266,7 @@ void mdio_clause45_set_mmds_lpower(struct efx_nic *efx, } } -static u32 mdio_clause45_get_an(struct efx_nic *efx, u16 addr, u32 xnp) +static u32 mdio_clause45_get_an(struct efx_nic *efx, u16 addr) { int phy_id = efx->mii.phy_id; u32 result = 0; @@ -278,9 +281,6 @@ static u32 mdio_clause45_get_an(struct efx_nic *efx, u16 addr, u32 xnp) result |= ADVERTISED_100baseT_Half; if (reg & ADVERTISE_100FULL) result |= ADVERTISED_100baseT_Full; - if (reg & LPA_RESV) - result |= xnp; - return result; } @@ -310,7 +310,7 @@ void mdio_clause45_get_settings(struct efx_nic *efx, */ void mdio_clause45_get_settings_ext(struct efx_nic *efx, struct ethtool_cmd *ecmd, - u32 xnp, u32 xnp_lpa) + u32 npage_adv, u32 npage_lpa) { int phy_id = efx->mii.phy_id; int reg; @@ -361,8 +361,8 @@ void mdio_clause45_get_settings_ext(struct efx_nic *efx, ecmd->autoneg = AUTONEG_ENABLE; ecmd->advertising |= ADVERTISED_Autoneg | - mdio_clause45_get_an(efx, - MDIO_AN_ADVERTISE, xnp); + mdio_clause45_get_an(efx, MDIO_AN_ADVERTISE) | + npage_adv; } else ecmd->autoneg = AUTONEG_DISABLE; } else @@ -371,27 +371,30 @@ void mdio_clause45_get_settings_ext(struct efx_nic *efx, if (ecmd->autoneg) { /* If AN is complete, report best common mode, * otherwise report best advertised mode. */ - u32 common = ecmd->advertising; + u32 modes = 0; if (mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, MDIO_MMDREG_STAT1) & - (1 << MDIO_AN_STATUS_AN_DONE_LBN)) { - common &= mdio_clause45_get_an(efx, MDIO_AN_LPA, - xnp_lpa); - } - if (common & ADVERTISED_10000baseT_Full) { + (1 << MDIO_AN_STATUS_AN_DONE_LBN)) + modes = (ecmd->advertising & + (mdio_clause45_get_an(efx, MDIO_AN_LPA) | + npage_lpa)); + if (modes == 0) + modes = ecmd->advertising; + + if (modes & ADVERTISED_10000baseT_Full) { ecmd->speed = SPEED_10000; ecmd->duplex = DUPLEX_FULL; - } else if (common & (ADVERTISED_1000baseT_Full | - ADVERTISED_1000baseT_Half)) { + } else if (modes & (ADVERTISED_1000baseT_Full | + ADVERTISED_1000baseT_Half)) { ecmd->speed = SPEED_1000; - ecmd->duplex = !!(common & ADVERTISED_1000baseT_Full); - } else if (common & (ADVERTISED_100baseT_Full | - ADVERTISED_100baseT_Half)) { + ecmd->duplex = !!(modes & ADVERTISED_1000baseT_Full); + } else if (modes & (ADVERTISED_100baseT_Full | + ADVERTISED_100baseT_Half)) { ecmd->speed = SPEED_100; - ecmd->duplex = !!(common & ADVERTISED_100baseT_Full); + ecmd->duplex = !!(modes & ADVERTISED_100baseT_Full); } else { ecmd->speed = SPEED_10; - ecmd->duplex = !!(common & ADVERTISED_10baseT_Full); + ecmd->duplex = !!(modes & ADVERTISED_10baseT_Full); } } else { /* Report forced settings */ @@ -415,7 +418,7 @@ int mdio_clause45_set_settings(struct efx_nic *efx, int phy_id = efx->mii.phy_id; struct ethtool_cmd prev; u32 required; - int ctrl1_bits, reg; + int reg; efx->phy_op->get_settings(efx, &prev); @@ -430,99 +433,83 @@ int mdio_clause45_set_settings(struct efx_nic *efx, if (prev.port != PORT_TP || ecmd->port != PORT_TP) return -EINVAL; - /* Check that PHY supports these settings and work out the - * basic control bits */ - if (ecmd->duplex) { + /* Check that PHY supports these settings */ + if (ecmd->autoneg) { + required = SUPPORTED_Autoneg; + } else if (ecmd->duplex) { switch (ecmd->speed) { - case SPEED_10: - ctrl1_bits = BMCR_FULLDPLX; - required = SUPPORTED_10baseT_Full; - break; - case SPEED_100: - ctrl1_bits = BMCR_SPEED100 | BMCR_FULLDPLX; - required = SUPPORTED_100baseT_Full; - break; - case SPEED_1000: - ctrl1_bits = BMCR_SPEED1000 | BMCR_FULLDPLX; - required = SUPPORTED_1000baseT_Full; - break; - case SPEED_10000: - ctrl1_bits = (BMCR_SPEED1000 | BMCR_SPEED100 | - BMCR_FULLDPLX); - required = SUPPORTED_10000baseT_Full; - break; - default: - return -EINVAL; + case SPEED_10: required = SUPPORTED_10baseT_Full; break; + case SPEED_100: required = SUPPORTED_100baseT_Full; break; + default: return -EINVAL; } } else { switch (ecmd->speed) { - case SPEED_10: - ctrl1_bits = 0; - required = SUPPORTED_10baseT_Half; - break; - case SPEED_100: - ctrl1_bits = BMCR_SPEED100; - required = SUPPORTED_100baseT_Half; - break; - case SPEED_1000: - ctrl1_bits = BMCR_SPEED1000; - required = SUPPORTED_1000baseT_Half; - break; - default: - return -EINVAL; + case SPEED_10: required = SUPPORTED_10baseT_Half; break; + case SPEED_100: required = SUPPORTED_100baseT_Half; break; + default: return -EINVAL; } } - if (ecmd->autoneg) - required |= SUPPORTED_Autoneg; required |= ecmd->advertising; if (required & ~prev.supported) return -EINVAL; - /* Set the basic control bits */ - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD, - MDIO_MMDREG_CTRL1); - reg &= ~(BMCR_SPEED1000 | BMCR_SPEED100 | BMCR_FULLDPLX | 0x003c); - reg |= ctrl1_bits; - mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, MDIO_MMDREG_CTRL1, - reg); - - /* Set the AN registers */ - if (ecmd->autoneg != prev.autoneg || - ecmd->advertising != prev.advertising) { - bool xnp = false; - - if (efx->phy_op->set_xnp_advertise) - xnp = efx->phy_op->set_xnp_advertise(efx, - ecmd->advertising); - - if (ecmd->autoneg) { - reg = 0; - if (ecmd->advertising & ADVERTISED_10baseT_Half) - reg |= ADVERTISE_10HALF; - if (ecmd->advertising & ADVERTISED_10baseT_Full) - reg |= ADVERTISE_10FULL; - if (ecmd->advertising & ADVERTISED_100baseT_Half) - reg |= ADVERTISE_100HALF; - if (ecmd->advertising & ADVERTISED_100baseT_Full) - reg |= ADVERTISE_100FULL; - if (xnp) - reg |= ADVERTISE_RESV; - mdio_clause45_write(efx, phy_id, MDIO_MMD_AN, - MDIO_AN_ADVERTISE, reg); - } + if (ecmd->autoneg) { + bool xnp = (ecmd->advertising & ADVERTISED_10000baseT_Full + || EFX_WORKAROUND_13204(efx)); + + /* Set up the base page */ + reg = ADVERTISE_CSMA; + if (ecmd->advertising & ADVERTISED_10baseT_Half) + reg |= ADVERTISE_10HALF; + if (ecmd->advertising & ADVERTISED_10baseT_Full) + reg |= ADVERTISE_10FULL; + if (ecmd->advertising & ADVERTISED_100baseT_Half) + reg |= ADVERTISE_100HALF; + if (ecmd->advertising & ADVERTISED_100baseT_Full) + reg |= ADVERTISE_100FULL; + if (xnp) + reg |= ADVERTISE_RESV; + else if (ecmd->advertising & (ADVERTISED_1000baseT_Half | + ADVERTISED_1000baseT_Full)) + reg |= ADVERTISE_NPAGE; + reg |= efx_fc_advertise(efx->wanted_fc); + mdio_clause45_write(efx, phy_id, MDIO_MMD_AN, + MDIO_AN_ADVERTISE, reg); + + /* Set up the (extended) next page if necessary */ + if (efx->phy_op->set_npage_adv) + efx->phy_op->set_npage_adv(efx, ecmd->advertising); + /* Enable and restart AN */ reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, MDIO_MMDREG_CTRL1); - if (ecmd->autoneg) - reg |= BMCR_ANENABLE | BMCR_ANRESTART; - else - reg &= ~BMCR_ANENABLE; + reg |= BMCR_ANENABLE; + if (!(EFX_WORKAROUND_15195(efx) && + LOOPBACK_MASK(efx) & efx->phy_op->loopbacks)) + reg |= BMCR_ANRESTART; if (xnp) reg |= 1 << MDIO_AN_CTRL_XNP_LBN; else reg &= ~(1 << MDIO_AN_CTRL_XNP_LBN); mdio_clause45_write(efx, phy_id, MDIO_MMD_AN, MDIO_MMDREG_CTRL1, reg); + } else { + /* Disable AN */ + mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_AN, + MDIO_MMDREG_CTRL1, + __ffs(BMCR_ANENABLE), false); + + /* Set the basic control bits */ + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD, + MDIO_MMDREG_CTRL1); + reg &= ~(BMCR_SPEED1000 | BMCR_SPEED100 | BMCR_FULLDPLX | + 0x003c); + if (ecmd->speed == SPEED_100) + reg |= BMCR_SPEED100; + if (ecmd->duplex) + reg |= BMCR_FULLDPLX; + mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, + MDIO_MMDREG_CTRL1, reg); } return 0; diff --git a/drivers/net/sfc/mdio_10g.h b/drivers/net/sfc/mdio_10g.h index 09bf801..8ba4977 100644 --- a/drivers/net/sfc/mdio_10g.h +++ b/drivers/net/sfc/mdio_10g.h @@ -155,7 +155,8 @@ #define MDIO_AN_XNP 22 #define MDIO_AN_LPA_XNP 25 -#define MDIO_AN_10GBT_ADVERTISE 32 +#define MDIO_AN_10GBT_CTRL 32 +#define MDIO_AN_10GBT_CTRL_ADV_10G_LBN 12 #define MDIO_AN_10GBT_STATUS (33) #define MDIO_AN_10GBT_STATUS_MS_FLT_LBN (15) /* MASTER/SLAVE config fault */ #define MDIO_AN_10GBT_STATUS_MS_LBN (14) /* MASTER/SLAVE config */ diff --git a/drivers/net/sfc/net_driver.h b/drivers/net/sfc/net_driver.h index 5f255f7..e019ad1 100644 --- a/drivers/net/sfc/net_driver.h +++ b/drivers/net/sfc/net_driver.h @@ -566,7 +566,7 @@ struct efx_mac_operations { * @poll: Poll for hardware state. Serialised by the mac_lock. * @get_settings: Get ethtool settings. Serialised by the mac_lock. * @set_settings: Set ethtool settings. Serialised by the mac_lock. - * @set_xnp_advertise: Set abilities advertised in Extended Next Page + * @set_npage_adv: Set abilities advertised in (Extended) Next Page * (only needed where AN bit is set in mmds) * @num_tests: Number of PHY-specific tests/results * @test_names: Names of the tests/results @@ -586,7 +586,7 @@ struct efx_phy_operations { struct ethtool_cmd *ecmd); int (*set_settings) (struct efx_nic *efx, struct ethtool_cmd *ecmd); - bool (*set_xnp_advertise) (struct efx_nic *efx, u32); + void (*set_npage_adv) (struct efx_nic *efx, u32); u32 num_tests; const char *const *test_names; int (*run_tests) (struct efx_nic *efx, int *results, unsigned flags); @@ -754,8 +754,7 @@ union efx_multicast_hash { * &struct net_device_stats. * @stats_buffer: DMA buffer for statistics * @stats_lock: Statistics update lock. Serialises statistics fetches - * @stats_enabled: Temporarily disable statistics fetches. - * Serialised by @stats_lock + * @stats_disable_count: Nest count for disabling statistics fetches * @mac_op: MAC interface * @mac_address: Permanent MAC address * @phy_type: PHY type @@ -837,7 +836,7 @@ struct efx_nic { struct efx_mac_stats mac_stats; struct efx_buffer stats_buffer; spinlock_t stats_lock; - bool stats_enabled; + unsigned int stats_disable_count; struct efx_mac_operations *mac_op; unsigned char mac_address[ETH_ALEN]; diff --git a/drivers/net/sfc/phy.h b/drivers/net/sfc/phy.h index 58c493e..07e855c 100644 --- a/drivers/net/sfc/phy.h +++ b/drivers/net/sfc/phy.h @@ -17,7 +17,6 @@ extern struct efx_phy_operations falcon_sfx7101_phy_ops; extern struct efx_phy_operations falcon_sft9001_phy_ops; extern void tenxpress_phy_blink(struct efx_nic *efx, bool blink); -extern void tenxpress_crc_err(struct efx_nic *efx); /**************************************************************************** * Exported functions from the driver for XFP optical PHYs diff --git a/drivers/net/sfc/selftest.c b/drivers/net/sfc/selftest.c index dba0d64..0a59808 100644 --- a/drivers/net/sfc/selftest.c +++ b/drivers/net/sfc/selftest.c @@ -665,6 +665,7 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests, { enum efx_loopback_mode loopback_mode = efx->loopback_mode; int phy_mode = efx->phy_mode; + enum reset_type reset_method = RESET_TYPE_INVISIBLE; struct ethtool_cmd ecmd; struct efx_channel *channel; int rc_test = 0, rc_reset = 0, rc; @@ -718,21 +719,21 @@ int efx_selftest(struct efx_nic *efx, struct efx_self_tests *tests, mutex_unlock(&efx->mac_lock); /* free up all consumers of SRAM (including all the queues) */ - efx_reset_down(efx, &ecmd); + efx_reset_down(efx, reset_method, &ecmd); rc = efx_test_chip(efx, tests); if (rc && !rc_test) rc_test = rc; /* reset the chip to recover from the register test */ - rc_reset = falcon_reset_hw(efx, RESET_TYPE_ALL); + rc_reset = falcon_reset_hw(efx, reset_method); /* Ensure that the phy is powered and out of loopback * for the bist and loopback tests */ efx->phy_mode &= ~PHY_MODE_LOW_POWER; efx->loopback_mode = LOOPBACK_NONE; - rc = efx_reset_up(efx, &ecmd, rc_reset == 0); + rc = efx_reset_up(efx, reset_method, &ecmd, rc_reset == 0); if (rc && !rc_reset) rc_reset = rc; diff --git a/drivers/net/sfc/sfe4001.c b/drivers/net/sfc/sfe4001.c index 16b80ac..cb25ae5 100644 --- a/drivers/net/sfc/sfe4001.c +++ b/drivers/net/sfc/sfe4001.c @@ -186,19 +186,22 @@ static int sfn4111t_reset(struct efx_nic *efx) { efx_oword_t reg; - /* GPIO pins are also used for I2C, so block that temporarily */ + /* GPIO 3 and the GPIO register are shared with I2C, so block that */ mutex_lock(&efx->i2c_adap.bus_lock); + /* Pull RST_N (GPIO 2) low then let it up again, setting the + * FLASH_CFG_1 strap (GPIO 3) appropriately. Only change the + * output enables; the output levels should always be 0 (low) + * and we rely on external pull-ups. */ falcon_read(efx, ®, GPIO_CTL_REG_KER); EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, true); - EFX_SET_OWORD_FIELD(reg, GPIO2_OUT, false); falcon_write(efx, ®, GPIO_CTL_REG_KER); msleep(1000); - EFX_SET_OWORD_FIELD(reg, GPIO2_OUT, true); - EFX_SET_OWORD_FIELD(reg, GPIO3_OEN, true); - EFX_SET_OWORD_FIELD(reg, GPIO3_OUT, - !(efx->phy_mode & PHY_MODE_SPECIAL)); + EFX_SET_OWORD_FIELD(reg, GPIO2_OEN, false); + EFX_SET_OWORD_FIELD(reg, GPIO3_OEN, + !!(efx->phy_mode & PHY_MODE_SPECIAL)); falcon_write(efx, ®, GPIO_CTL_REG_KER); + msleep(1); mutex_unlock(&efx->i2c_adap.bus_lock); @@ -232,12 +235,18 @@ static ssize_t set_phy_flash_cfg(struct device *dev, } else if (efx->state != STATE_RUNNING || netif_running(efx->net_dev)) { err = -EBUSY; } else { + /* Reset the PHY, reconfigure the MAC and enable/disable + * MAC stats accordingly. */ efx->phy_mode = new_mode; + if (new_mode & PHY_MODE_SPECIAL) + efx_stats_disable(efx); if (efx->board_info.type == EFX_BOARD_SFE4001) err = sfe4001_poweron(efx); else err = sfn4111t_reset(efx); efx_reconfigure_port(efx); + if (!(new_mode & PHY_MODE_SPECIAL)) + efx_stats_enable(efx); } rtnl_unlock(); @@ -326,6 +335,11 @@ int sfe4001_init(struct efx_nic *efx) efx->board_info.monitor = sfe4001_check_hw; efx->board_info.fini = sfe4001_fini; + if (efx->phy_mode & PHY_MODE_SPECIAL) { + /* PHY won't generate a 156.25 MHz clock and MAC stats fetch + * will fail. */ + efx_stats_disable(efx); + } rc = sfe4001_poweron(efx); if (rc) goto fail_ioexp; @@ -372,17 +386,25 @@ static void sfn4111t_fini(struct efx_nic *efx) i2c_unregister_device(efx->board_info.hwmon_client); } -static struct i2c_board_info sfn4111t_hwmon_info = { +static struct i2c_board_info sfn4111t_a0_hwmon_info = { I2C_BOARD_INFO("max6647", 0x4e), .irq = -1, }; +static struct i2c_board_info sfn4111t_r5_hwmon_info = { + I2C_BOARD_INFO("max6646", 0x4d), + .irq = -1, +}; + int sfn4111t_init(struct efx_nic *efx) { int rc; efx->board_info.hwmon_client = - i2c_new_device(&efx->i2c_adap, &sfn4111t_hwmon_info); + i2c_new_device(&efx->i2c_adap, + (efx->board_info.minor < 5) ? + &sfn4111t_a0_hwmon_info : + &sfn4111t_r5_hwmon_info); if (!efx->board_info.hwmon_client) return -EIO; @@ -394,8 +416,10 @@ int sfn4111t_init(struct efx_nic *efx) if (rc) goto fail_hwmon; - if (efx->phy_mode & PHY_MODE_SPECIAL) + if (efx->phy_mode & PHY_MODE_SPECIAL) { + efx_stats_disable(efx); sfn4111t_reset(efx); + } return 0; diff --git a/drivers/net/sfc/tenxpress.c b/drivers/net/sfc/tenxpress.c index 9ecb77d..f0efd24 100644 --- a/drivers/net/sfc/tenxpress.c +++ b/drivers/net/sfc/tenxpress.c @@ -67,6 +67,8 @@ #define PMA_PMD_EXT_CLK312_WIDTH 1 #define PMA_PMD_EXT_LPOWER_LBN 12 #define PMA_PMD_EXT_LPOWER_WIDTH 1 +#define PMA_PMD_EXT_ROBUST_LBN 14 +#define PMA_PMD_EXT_ROBUST_WIDTH 1 #define PMA_PMD_EXT_SSR_LBN 15 #define PMA_PMD_EXT_SSR_WIDTH 1 @@ -177,35 +179,24 @@ #define C22EXT_STATUS_LINK_LBN 2 #define C22EXT_STATUS_LINK_WIDTH 1 -#define C22EXT_MSTSLV_REG 49162 -#define C22EXT_MSTSLV_1000_HD_LBN 10 -#define C22EXT_MSTSLV_1000_HD_WIDTH 1 -#define C22EXT_MSTSLV_1000_FD_LBN 11 -#define C22EXT_MSTSLV_1000_FD_WIDTH 1 +#define C22EXT_MSTSLV_CTRL 49161 +#define C22EXT_MSTSLV_CTRL_ADV_1000_HD_LBN 8 +#define C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN 9 + +#define C22EXT_MSTSLV_STATUS 49162 +#define C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN 10 +#define C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN 11 /* Time to wait between powering down the LNPGA and turning off the power * rails */ #define LNPGA_PDOWN_WAIT (HZ / 5) -static int crc_error_reset_threshold = 100; -module_param(crc_error_reset_threshold, int, 0644); -MODULE_PARM_DESC(crc_error_reset_threshold, - "Max number of CRC errors before XAUI reset"); - struct tenxpress_phy_data { enum efx_loopback_mode loopback_mode; - atomic_t bad_crc_count; enum efx_phy_mode phy_mode; int bad_lp_tries; }; -void tenxpress_crc_err(struct efx_nic *efx) -{ - struct tenxpress_phy_data *phy_data = efx->phy_data; - if (phy_data != NULL) - atomic_inc(&phy_data->bad_crc_count); -} - static ssize_t show_phy_short_reach(struct device *dev, struct device_attribute *attr, char *buf) { @@ -284,7 +275,9 @@ static int tenxpress_init(struct efx_nic *efx) PMA_PMD_XCONTROL_REG); reg |= ((1 << PMA_PMD_EXT_GMII_EN_LBN) | (1 << PMA_PMD_EXT_CLK_OUT_LBN) | - (1 << PMA_PMD_EXT_CLK312_LBN)); + (1 << PMA_PMD_EXT_CLK312_LBN) | + (1 << PMA_PMD_EXT_ROBUST_LBN)); + mdio_clause45_write(efx, phy_id, MDIO_MMD_PMAPMD, PMA_PMD_XCONTROL_REG, reg); mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, @@ -346,6 +339,7 @@ static int tenxpress_phy_init(struct efx_nic *efx) rc = tenxpress_init(efx); if (rc < 0) goto fail; + mdio_clause45_set_pause(efx); if (efx->phy_type == PHY_TYPE_SFT9001B) { rc = device_create_file(&efx->pci_dev->dev, @@ -376,8 +370,8 @@ static int tenxpress_special_reset(struct efx_nic *efx) /* The XGMAC clock is driven from the SFC7101/SFT9001 312MHz clock, so * a special software reset can glitch the XGMAC sufficiently for stats - * requests to fail. Since we don't often special_reset, just lock. */ - spin_lock(&efx->stats_lock); + * requests to fail. */ + efx_stats_disable(efx); /* Initiate reset */ reg = mdio_clause45_read(efx, efx->mii.phy_id, @@ -392,17 +386,17 @@ static int tenxpress_special_reset(struct efx_nic *efx) rc = mdio_clause45_wait_reset_mmds(efx, TENXPRESS_REQUIRED_DEVS); if (rc < 0) - goto unlock; + goto out; /* Try and reconfigure the device */ rc = tenxpress_init(efx); if (rc < 0) - goto unlock; + goto out; /* Wait for the XGXS state machine to churn */ mdelay(10); -unlock: - spin_unlock(&efx->stats_lock); +out: + efx_stats_enable(efx); return rc; } @@ -520,7 +514,7 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx) { struct tenxpress_phy_data *phy_data = efx->phy_data; struct ethtool_cmd ecmd; - bool phy_mode_change, loop_reset, loop_toggle, loopback; + bool phy_mode_change, loop_reset; if (efx->phy_mode & (PHY_MODE_OFF | PHY_MODE_SPECIAL)) { phy_data->phy_mode = efx->phy_mode; @@ -531,12 +525,10 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx) phy_mode_change = (efx->phy_mode == PHY_MODE_NORMAL && phy_data->phy_mode != PHY_MODE_NORMAL); - loopback = LOOPBACK_MASK(efx) & efx->phy_op->loopbacks; - loop_toggle = LOOPBACK_CHANGED(phy_data, efx, efx->phy_op->loopbacks); loop_reset = (LOOPBACK_OUT_OF(phy_data, efx, efx->phy_op->loopbacks) || LOOPBACK_CHANGED(phy_data, efx, 1 << LOOPBACK_GPHY)); - if (loop_reset || loop_toggle || loopback || phy_mode_change) { + if (loop_reset || phy_mode_change) { int rc; efx->phy_op->get_settings(efx, &ecmd); @@ -551,20 +543,6 @@ static void tenxpress_phy_reconfigure(struct efx_nic *efx) falcon_reset_xaui(efx); } - if (efx->phy_type != PHY_TYPE_SFX7101) { - /* Only change autoneg once, on coming out or - * going into loopback */ - if (loop_toggle) - ecmd.autoneg = !loopback; - if (loopback) { - ecmd.duplex = DUPLEX_FULL; - if (efx->loopback_mode == LOOPBACK_GPHY) - ecmd.speed = SPEED_1000; - else - ecmd.speed = SPEED_10000; - } - } - rc = efx->phy_op->set_settings(efx, &ecmd); WARN_ON(rc); } @@ -623,13 +601,6 @@ static void tenxpress_phy_poll(struct efx_nic *efx) if (phy_data->phy_mode != PHY_MODE_NORMAL) return; - - if (EFX_WORKAROUND_10750(efx) && - atomic_read(&phy_data->bad_crc_count) > crc_error_reset_threshold) { - EFX_ERR(efx, "Resetting XAUI due to too many CRC errors\n"); - falcon_reset_xaui(efx); - atomic_set(&phy_data->bad_crc_count, 0); - } } static void tenxpress_phy_fini(struct efx_nic *efx) @@ -772,107 +743,76 @@ reset: return rc; } -static u32 tenxpress_get_xnp_lpa(struct efx_nic *efx) +static void +tenxpress_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) { - int phy = efx->mii.phy_id; - u32 lpa = 0; + int phy_id = efx->mii.phy_id; + u32 adv = 0, lpa = 0; int reg; if (efx->phy_type != PHY_TYPE_SFX7101) { - reg = mdio_clause45_read(efx, phy, MDIO_MMD_C22EXT, - C22EXT_MSTSLV_REG); - if (reg & (1 << C22EXT_MSTSLV_1000_HD_LBN)) + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, + C22EXT_MSTSLV_CTRL); + if (reg & (1 << C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN)) + adv |= ADVERTISED_1000baseT_Full; + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, + C22EXT_MSTSLV_STATUS); + if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_HD_LBN)) lpa |= ADVERTISED_1000baseT_Half; - if (reg & (1 << C22EXT_MSTSLV_1000_FD_LBN)) + if (reg & (1 << C22EXT_MSTSLV_STATUS_LP_1000_FD_LBN)) lpa |= ADVERTISED_1000baseT_Full; } - reg = mdio_clause45_read(efx, phy, MDIO_MMD_AN, MDIO_AN_10GBT_STATUS); + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, + MDIO_AN_10GBT_CTRL); + if (reg & (1 << MDIO_AN_10GBT_CTRL_ADV_10G_LBN)) + adv |= ADVERTISED_10000baseT_Full; + reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_AN, + MDIO_AN_10GBT_STATUS); if (reg & (1 << MDIO_AN_10GBT_STATUS_LP_10G_LBN)) lpa |= ADVERTISED_10000baseT_Full; - return lpa; -} -static void sfx7101_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) -{ - mdio_clause45_get_settings_ext(efx, ecmd, ADVERTISED_10000baseT_Full, - tenxpress_get_xnp_lpa(efx)); - ecmd->supported |= SUPPORTED_10000baseT_Full; - ecmd->advertising |= ADVERTISED_10000baseT_Full; + mdio_clause45_get_settings_ext(efx, ecmd, adv, lpa); + + if (efx->phy_type != PHY_TYPE_SFX7101) + ecmd->supported |= (SUPPORTED_100baseT_Full | + SUPPORTED_1000baseT_Full); + + /* In loopback, the PHY automatically brings up the correct interface, + * but doesn't advertise the correct speed. So override it */ + if (efx->loopback_mode == LOOPBACK_GPHY) + ecmd->speed = SPEED_1000; + else if (LOOPBACK_MASK(efx) & efx->phy_op->loopbacks) + ecmd->speed = SPEED_10000; } -static void sft9001_get_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) +static int tenxpress_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) { - int phy_id = efx->mii.phy_id; - u32 xnp_adv = 0; - int reg; - - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_PMAPMD, - PMA_PMD_SPEED_ENABLE_REG); - if (EFX_WORKAROUND_13204(efx) && (reg & (1 << PMA_PMD_100TX_ADV_LBN))) - xnp_adv |= ADVERTISED_100baseT_Full; - if (reg & (1 << PMA_PMD_1000T_ADV_LBN)) - xnp_adv |= ADVERTISED_1000baseT_Full; - if (reg & (1 << PMA_PMD_10000T_ADV_LBN)) - xnp_adv |= ADVERTISED_10000baseT_Full; - - mdio_clause45_get_settings_ext(efx, ecmd, xnp_adv, - tenxpress_get_xnp_lpa(efx)); - - ecmd->supported |= (SUPPORTED_100baseT_Half | - SUPPORTED_100baseT_Full | - SUPPORTED_1000baseT_Full); + if (!ecmd->autoneg) + return -EINVAL; - /* Use the vendor defined C22ext register for duplex settings */ - if (ecmd->speed != SPEED_10000 && !ecmd->autoneg) { - reg = mdio_clause45_read(efx, phy_id, MDIO_MMD_C22EXT, - GPHY_XCONTROL_REG); - ecmd->duplex = (reg & (1 << GPHY_DUPLEX_LBN) ? - DUPLEX_FULL : DUPLEX_HALF); - } + return mdio_clause45_set_settings(efx, ecmd); } -static int sft9001_set_settings(struct efx_nic *efx, struct ethtool_cmd *ecmd) +static void sfx7101_set_npage_adv(struct efx_nic *efx, u32 advertising) { - int phy_id = efx->mii.phy_id; - int rc; - - rc = mdio_clause45_set_settings(efx, ecmd); - if (rc) - return rc; - - if (ecmd->speed != SPEED_10000 && !ecmd->autoneg) - mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, - GPHY_XCONTROL_REG, GPHY_DUPLEX_LBN, - ecmd->duplex == DUPLEX_FULL); - - return rc; + mdio_clause45_set_flag(efx, efx->mii.phy_id, MDIO_MMD_AN, + MDIO_AN_10GBT_CTRL, + MDIO_AN_10GBT_CTRL_ADV_10G_LBN, + advertising & ADVERTISED_10000baseT_Full); } -static bool sft9001_set_xnp_advertise(struct efx_nic *efx, u32 advertising) +static void sft9001_set_npage_adv(struct efx_nic *efx, u32 advertising) { - int phy = efx->mii.phy_id; - int reg = mdio_clause45_read(efx, phy, MDIO_MMD_PMAPMD, - PMA_PMD_SPEED_ENABLE_REG); - bool enabled; - - reg &= ~((1 << 2) | (1 << 3)); - if (EFX_WORKAROUND_13204(efx) && - (advertising & ADVERTISED_100baseT_Full)) - reg |= 1 << PMA_PMD_100TX_ADV_LBN; - if (advertising & ADVERTISED_1000baseT_Full) - reg |= 1 << PMA_PMD_1000T_ADV_LBN; - if (advertising & ADVERTISED_10000baseT_Full) - reg |= 1 << PMA_PMD_10000T_ADV_LBN; - mdio_clause45_write(efx, phy, MDIO_MMD_PMAPMD, - PMA_PMD_SPEED_ENABLE_REG, reg); - - enabled = (advertising & - (ADVERTISED_1000baseT_Half | - ADVERTISED_1000baseT_Full | - ADVERTISED_10000baseT_Full)); - if (EFX_WORKAROUND_13204(efx)) - enabled |= (advertising & ADVERTISED_100baseT_Full); - return enabled; + int phy_id = efx->mii.phy_id; + + mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_C22EXT, + C22EXT_MSTSLV_CTRL, + C22EXT_MSTSLV_CTRL_ADV_1000_FD_LBN, + advertising & ADVERTISED_1000baseT_Full); + mdio_clause45_set_flag(efx, phy_id, MDIO_MMD_AN, + MDIO_AN_10GBT_CTRL, + MDIO_AN_10GBT_CTRL_ADV_10G_LBN, + advertising & ADVERTISED_10000baseT_Full); } struct efx_phy_operations falcon_sfx7101_phy_ops = { @@ -882,8 +822,9 @@ struct efx_phy_operations falcon_sfx7101_phy_ops = { .poll = tenxpress_phy_poll, .fini = tenxpress_phy_fini, .clear_interrupt = efx_port_dummy_op_void, - .get_settings = sfx7101_get_settings, - .set_settings = mdio_clause45_set_settings, + .get_settings = tenxpress_get_settings, + .set_settings = tenxpress_set_settings, + .set_npage_adv = sfx7101_set_npage_adv, .num_tests = ARRAY_SIZE(sfx7101_test_names), .test_names = sfx7101_test_names, .run_tests = sfx7101_run_tests, @@ -898,9 +839,9 @@ struct efx_phy_operations falcon_sft9001_phy_ops = { .poll = tenxpress_phy_poll, .fini = tenxpress_phy_fini, .clear_interrupt = efx_port_dummy_op_void, - .get_settings = sft9001_get_settings, - .set_settings = sft9001_set_settings, - .set_xnp_advertise = sft9001_set_xnp_advertise, + .get_settings = tenxpress_get_settings, + .set_settings = tenxpress_set_settings, + .set_npage_adv = sft9001_set_npage_adv, .num_tests = ARRAY_SIZE(sft9001_test_names), .test_names = sft9001_test_names, .run_tests = sft9001_run_tests, diff --git a/drivers/net/sfc/workarounds.h b/drivers/net/sfc/workarounds.h index 82e03e1..78de68f 100644 --- a/drivers/net/sfc/workarounds.h +++ b/drivers/net/sfc/workarounds.h @@ -18,8 +18,8 @@ #define EFX_WORKAROUND_ALWAYS(efx) 1 #define EFX_WORKAROUND_FALCON_A(efx) (falcon_rev(efx) <= FALCON_REV_A1) #define EFX_WORKAROUND_10G(efx) EFX_IS10G(efx) -#define EFX_WORKAROUND_SFX7101(efx) ((efx)->phy_type == PHY_TYPE_SFX7101) -#define EFX_WORKAROUND_SFT9001A(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A) +#define EFX_WORKAROUND_SFT9001(efx) ((efx)->phy_type == PHY_TYPE_SFT9001A || \ + (efx)->phy_type == PHY_TYPE_SFT9001B) /* XAUI resets if link not detected */ #define EFX_WORKAROUND_5147 EFX_WORKAROUND_ALWAYS @@ -29,8 +29,6 @@ #define EFX_WORKAROUND_7884 EFX_WORKAROUND_10G /* TX pkt parser problem with <= 16 byte TXes */ #define EFX_WORKAROUND_9141 EFX_WORKAROUND_ALWAYS -/* Low rate CRC errors require XAUI reset */ -#define EFX_WORKAROUND_10750 EFX_WORKAROUND_SFX7101 /* TX_EV_PKT_ERR can be caused by a dangling TX descriptor * or a PCIe error (bug 11028) */ #define EFX_WORKAROUND_10727 EFX_WORKAROUND_ALWAYS @@ -55,8 +53,8 @@ #define EFX_WORKAROUND_8071 EFX_WORKAROUND_FALCON_A /* Need to send XNP pages for 100BaseT */ -#define EFX_WORKAROUND_13204 EFX_WORKAROUND_SFT9001A -/* Need to keep AN enabled */ -#define EFX_WORKAROUND_13963 EFX_WORKAROUND_SFT9001A +#define EFX_WORKAROUND_13204 EFX_WORKAROUND_SFT9001 +/* Don't restart AN in near-side loopback */ +#define EFX_WORKAROUND_15195 EFX_WORKAROUND_SFT9001 #endif /* EFX_WORKAROUNDS_H */ diff --git a/drivers/net/skfp/skfddi.c b/drivers/net/skfp/skfddi.c index 607efea..9a00e55 100644 --- a/drivers/net/skfp/skfddi.c +++ b/drivers/net/skfp/skfddi.c @@ -1003,9 +1003,9 @@ static int skfp_ioctl(struct net_device *dev, struct ifreq *rq, int cmd) break; case SKFP_CLR_STATS: /* Zero out the driver statistics */ if (!capable(CAP_NET_ADMIN)) { - memset(&lp->MacStat, 0, sizeof(lp->MacStat)); - } else { status = -EPERM; + } else { + memset(&lp->MacStat, 0, sizeof(lp->MacStat)); } break; default: diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c index 3668e81e..994703c 100644 --- a/drivers/net/sky2.c +++ b/drivers/net/sky2.c @@ -1403,9 +1403,6 @@ static int sky2_up(struct net_device *dev) } - if (netif_msg_ifup(sky2)) - printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); - netif_carrier_off(dev); /* must be power of 2 */ @@ -1484,6 +1481,9 @@ static int sky2_up(struct net_device *dev) sky2_write32(hw, B0_IMSK, imask); sky2_set_multicast(dev); + + if (netif_msg_ifup(sky2)) + printk(KERN_INFO PFX "%s: enabling interface\n", dev->name); return 0; err_out: diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c index bf3aa2a..223cde0 100644 --- a/drivers/net/smc911x.c +++ b/drivers/net/smc911x.c @@ -220,9 +220,9 @@ static void smc911x_reset(struct net_device *dev) /* make sure EEPROM has finished loading before setting GPIO_CFG */ timeout=1000; - while ( timeout-- && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) { + while (--timeout && (SMC_GET_E2P_CMD(lp) & E2P_CMD_EPC_BUSY_)) udelay(10); - } + if (timeout == 0){ PRINTK("%s: smc911x_reset timeout waiting for EEPROM busy\n", dev->name); return; diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c index f513bdf..783c1a7b 100644 --- a/drivers/net/smsc911x.c +++ b/drivers/net/smsc911x.c @@ -953,7 +953,7 @@ smsc911x_rx_fastforward(struct smsc911x_data *pdata, unsigned int pktbytes) do { udelay(1); val = smsc911x_reg_read(pdata, RX_DP_CTRL); - } while (timeout-- && (val & RX_DP_CTRL_RX_FFWD_)); + } while (--timeout && (val & RX_DP_CTRL_RX_FFWD_)); if (unlikely(timeout == 0)) SMSC_WARNING(HW, "Timed out waiting for " diff --git a/drivers/net/smsc9420.c b/drivers/net/smsc9420.c index c14a4c6..a1e4b38 100644 --- a/drivers/net/smsc9420.c +++ b/drivers/net/smsc9420.c @@ -498,7 +498,7 @@ static void smsc9420_check_mac_address(struct net_device *dev) static void smsc9420_stop_tx(struct smsc9420_pdata *pd) { u32 dmac_control, mac_cr, dma_intr_ena; - int timeOut = 1000; + int timeout = 1000; /* disable TX DMAC */ dmac_control = smsc9420_reg_read(pd, DMAC_CONTROL); @@ -506,13 +506,13 @@ static void smsc9420_stop_tx(struct smsc9420_pdata *pd) smsc9420_reg_write(pd, DMAC_CONTROL, dmac_control); /* Wait max 10ms for transmit process to stop */ - while (timeOut--) { + while (--timeout) { if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_TS_) break; udelay(10); } - if (!timeOut) + if (!timeout) smsc_warn(IFDOWN, "TX DMAC failed to stop"); /* ACK Tx DMAC stop bit */ @@ -596,7 +596,7 @@ static void smsc9420_free_rx_ring(struct smsc9420_pdata *pd) static void smsc9420_stop_rx(struct smsc9420_pdata *pd) { - int timeOut = 1000; + int timeout = 1000; u32 mac_cr, dmac_control, dma_intr_ena; /* mask RX DMAC interrupts */ @@ -617,13 +617,13 @@ static void smsc9420_stop_rx(struct smsc9420_pdata *pd) smsc9420_pci_flush_write(pd); /* wait up to 10ms for receive to stop */ - while (timeOut--) { + while (--timeout) { if (smsc9420_reg_read(pd, DMAC_STATUS) & DMAC_STS_RS_) break; udelay(10); } - if (!timeOut) + if (!timeout) smsc_warn(IFDOWN, "RX DMAC did not stop! timeout."); /* ACK the Rx DMAC stop bit */ @@ -1378,6 +1378,7 @@ static int smsc9420_open(struct net_device *dev) /* test the IRQ connection to the ISR */ smsc_dbg(IFUP, "Testing ISR using IRQ %d", dev->irq); + pd->software_irq_signal = false; spin_lock_irqsave(&pd->int_lock, flags); /* configure interrupt deassertion timer and enable interrupts */ @@ -1393,8 +1394,6 @@ static int smsc9420_open(struct net_device *dev) smsc9420_pci_flush_write(pd); timeout = 1000; - pd->software_irq_signal = false; - smp_wmb(); while (timeout--) { if (pd->software_irq_signal) break; diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c index 86c765d..b17efa9 100644 --- a/drivers/net/sungem.c +++ b/drivers/net/sungem.c @@ -148,7 +148,7 @@ static u16 __phy_read(struct gem *gp, int phy_addr, int reg) cmd |= (MIF_FRAME_TAMSB); writel(cmd, gp->regs + MIF_FRAME); - while (limit--) { + while (--limit) { cmd = readl(gp->regs + MIF_FRAME); if (cmd & MIF_FRAME_TALSB) break; diff --git a/drivers/net/sungem_phy.c b/drivers/net/sungem_phy.c index 61843fd..78f8cee 100644 --- a/drivers/net/sungem_phy.c +++ b/drivers/net/sungem_phy.c @@ -79,7 +79,7 @@ static int reset_one_mii_phy(struct mii_phy* phy, int phy_id) udelay(100); - while (limit--) { + while (--limit) { val = __phy_read(phy, phy_id, MII_BMCR); if ((val & BMCR_RESET) == 0) break; diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c index 6e8f377..fe0c3f2 100644 --- a/drivers/net/sunqe.c +++ b/drivers/net/sunqe.c @@ -227,7 +227,7 @@ static int qe_init(struct sunqe *qep, int from_irq) if (!(sbus_readb(mregs + MREGS_PHYCONFIG) & MREGS_PHYCONFIG_LTESTDIS)) { int tries = 50; - while (tries--) { + while (--tries) { u8 tmp; mdelay(5); diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c index 5e2dbae..8b3f846 100644 --- a/drivers/net/tg3.c +++ b/drivers/net/tg3.c @@ -7535,11 +7535,58 @@ static int tg3_test_msi(struct tg3 *tp) return err; } +static int tg3_request_firmware(struct tg3 *tp) +{ + const __be32 *fw_data; + + if (request_firmware(&tp->fw, tp->fw_needed, &tp->pdev->dev)) { + printk(KERN_ERR "%s: Failed to load firmware \"%s\"\n", + tp->dev->name, tp->fw_needed); + return -ENOENT; + } + + fw_data = (void *)tp->fw->data; + + /* Firmware blob starts with version numbers, followed by + * start address and _full_ length including BSS sections + * (which must be longer than the actual data, of course + */ + + tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */ + if (tp->fw_len < (tp->fw->size - 12)) { + printk(KERN_ERR "%s: bogus length %d in \"%s\"\n", + tp->dev->name, tp->fw_len, tp->fw_needed); + release_firmware(tp->fw); + tp->fw = NULL; + return -EINVAL; + } + + /* We no longer need firmware; we have it. */ + tp->fw_needed = NULL; + return 0; +} + static int tg3_open(struct net_device *dev) { struct tg3 *tp = netdev_priv(dev); int err; + if (tp->fw_needed) { + err = tg3_request_firmware(tp); + if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) { + if (err) + return err; + } else if (err) { + printk(KERN_WARNING "%s: TSO capability disabled.\n", + tp->dev->name); + tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE; + } else if (!(tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE)) { + printk(KERN_NOTICE "%s: TSO capability restored.\n", + tp->dev->name); + tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE; + } + } + netif_carrier_off(tp->dev); err = tg3_set_power_state(tp, PCI_D0); @@ -12934,7 +12981,6 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, struct net_device *dev; struct tg3 *tp; int err, pm_cap; - const char *fw_name = NULL; char str[40]; u64 dma_mask, persist_dma_mask; @@ -13091,7 +13137,7 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, tg3_init_bufmgr_config(tp); if (tp->pci_chip_rev_id == CHIPREV_ID_5701_A0) - fw_name = FIRMWARE_TG3; + tp->fw_needed = FIRMWARE_TG3; if (tp->tg3_flags2 & TG3_FLG2_HW_TSO) { tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE; @@ -13104,37 +13150,10 @@ static int __devinit tg3_init_one(struct pci_dev *pdev, tp->tg3_flags2 &= ~TG3_FLG2_TSO_CAPABLE; } else { tp->tg3_flags2 |= TG3_FLG2_TSO_CAPABLE | TG3_FLG2_TSO_BUG; - } - if (tp->tg3_flags2 & TG3_FLG2_TSO_CAPABLE) { if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5705) - fw_name = FIRMWARE_TG3TSO5; + tp->fw_needed = FIRMWARE_TG3TSO5; else - fw_name = FIRMWARE_TG3TSO; - } - - if (fw_name) { - const __be32 *fw_data; - - err = request_firmware(&tp->fw, fw_name, &tp->pdev->dev); - if (err) { - printk(KERN_ERR "tg3: Failed to load firmware \"%s\"\n", - fw_name); - goto err_out_iounmap; - } - - fw_data = (void *)tp->fw->data; - - /* Firmware blob starts with version numbers, followed by - start address and _full_ length including BSS sections - (which must be longer than the actual data, of course */ - - tp->fw_len = be32_to_cpu(fw_data[2]); /* includes bss */ - if (tp->fw_len < (tp->fw->size - 12)) { - printk(KERN_ERR "tg3: bogus length %d in \"%s\"\n", - tp->fw_len, fw_name); - err = -EINVAL; - goto err_out_fw; - } + tp->fw_needed = FIRMWARE_TG3TSO; } /* TSO is on by default on chips that support hardware TSO. diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h index ae5da60..508def3 100644 --- a/drivers/net/tg3.h +++ b/drivers/net/tg3.h @@ -2764,6 +2764,7 @@ struct tg3 { struct ethtool_coalesce coal; /* firmware info */ + const char *fw_needed; const struct firmware *fw; u32 fw_len; /* includes BSS */ }; diff --git a/drivers/net/tsi108_eth.c b/drivers/net/tsi108_eth.c index 75461db..a9fd2b2 100644 --- a/drivers/net/tsi108_eth.c +++ b/drivers/net/tsi108_eth.c @@ -1237,7 +1237,7 @@ static void tsi108_init_phy(struct net_device *dev) spin_lock_irqsave(&phy_lock, flags); tsi108_write_mii(data, MII_BMCR, BMCR_RESET); - while (i--){ + while (--i) { if(!(tsi108_read_mii(data, MII_BMCR) & BMCR_RESET)) break; udelay(10); diff --git a/drivers/net/tulip/21142.c b/drivers/net/tulip/21142.c index 1210fb3..db7d5e1 100644 --- a/drivers/net/tulip/21142.c +++ b/drivers/net/tulip/21142.c @@ -9,6 +9,11 @@ Please refer to Documentation/DocBook/tulip-user.{pdf,ps,html} for more information on this driver. + + DC21143 manual "21143 PCI/CardBus 10/100Mb/s Ethernet LAN Controller + Hardware Reference Manual" is currently available at : + http://developer.intel.com/design/network/manuals/278074.htm + Please submit bugs to http://bugzilla.kernel.org/ . */ @@ -32,7 +37,11 @@ void t21142_media_task(struct work_struct *work) int csr12 = ioread32(ioaddr + CSR12); int next_tick = 60*HZ; int new_csr6 = 0; + int csr14 = ioread32(ioaddr + CSR14); + /* CSR12[LS10,LS100] are not reliable during autonegotiation */ + if ((csr14 & 0x80) && (csr12 & 0x7000) != 0x5000) + csr12 |= 6; if (tulip_debug > 2) printk(KERN_INFO"%s: 21143 negotiation status %8.8x, %s.\n", dev->name, csr12, medianame[dev->if_port]); @@ -76,7 +85,7 @@ void t21142_media_task(struct work_struct *work) new_csr6 = 0x83860000; dev->if_port = 3; iowrite32(0, ioaddr + CSR13); - iowrite32(0x0003FF7F, ioaddr + CSR14); + iowrite32(0x0003FFFF, ioaddr + CSR14); iowrite16(8, ioaddr + CSR15); iowrite32(1, ioaddr + CSR13); } @@ -132,10 +141,14 @@ void t21142_lnk_change(struct net_device *dev, int csr5) struct tulip_private *tp = netdev_priv(dev); void __iomem *ioaddr = tp->base_addr; int csr12 = ioread32(ioaddr + CSR12); + int csr14 = ioread32(ioaddr + CSR14); + /* CSR12[LS10,LS100] are not reliable during autonegotiation */ + if ((csr14 & 0x80) && (csr12 & 0x7000) != 0x5000) + csr12 |= 6; if (tulip_debug > 1) printk(KERN_INFO"%s: 21143 link status interrupt %8.8x, CSR5 %x, " - "%8.8x.\n", dev->name, csr12, csr5, ioread32(ioaddr + CSR14)); + "%8.8x.\n", dev->name, csr12, csr5, csr14); /* If NWay finished and we have a negotiated partner capability. */ if (tp->nway && !tp->nwayset && (csr12 & 0x7000) == 0x5000) { @@ -143,7 +156,9 @@ void t21142_lnk_change(struct net_device *dev, int csr5) int negotiated = tp->sym_advertise & (csr12 >> 16); tp->lpar = csr12 >> 16; tp->nwayset = 1; - if (negotiated & 0x0100) dev->if_port = 5; + /* If partner cannot negotiate, it is 10Mbps Half Duplex */ + if (!(csr12 & 0x8000)) dev->if_port = 0; + else if (negotiated & 0x0100) dev->if_port = 5; else if (negotiated & 0x0080) dev->if_port = 3; else if (negotiated & 0x0040) dev->if_port = 4; else if (negotiated & 0x0020) dev->if_port = 0; @@ -214,7 +229,7 @@ void t21142_lnk_change(struct net_device *dev, int csr5) tp->timer.expires = RUN_AT(3*HZ); add_timer(&tp->timer); } else if (dev->if_port == 5) - iowrite32(ioread32(ioaddr + CSR14) & ~0x080, ioaddr + CSR14); + iowrite32(csr14 & ~0x080, ioaddr + CSR14); } else if (dev->if_port == 0 || dev->if_port == 4) { if ((csr12 & 4) == 0) printk(KERN_INFO"%s: 21143 10baseT link beat good.\n", diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c index d5d53b6..0bf2114 100644 --- a/drivers/net/tulip/de2104x.c +++ b/drivers/net/tulip/de2104x.c @@ -392,7 +392,7 @@ static void de_rx (struct de_private *de) unsigned drop = 0; int rc; - while (rx_work--) { + while (--rx_work) { u32 status, len; dma_addr_t mapping; struct sk_buff *skb, *copy_skb; diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c index 1144122..e879868 100644 --- a/drivers/net/ucc_geth.c +++ b/drivers/net/ucc_geth.c @@ -1536,6 +1536,11 @@ static void adjust_link(struct net_device *dev) static int init_phy(struct net_device *dev) { struct ucc_geth_private *priv = netdev_priv(dev); + struct device_node *np = priv->node; + struct device_node *phy, *mdio; + const phandle *ph; + char bus_name[MII_BUS_ID_SIZE]; + const unsigned int *id; struct phy_device *phydev; char phy_id[BUS_ID_SIZE]; @@ -1543,8 +1548,18 @@ static int init_phy(struct net_device *dev) priv->oldspeed = 0; priv->oldduplex = -1; - snprintf(phy_id, sizeof(phy_id), PHY_ID_FMT, priv->ug_info->mdio_bus, - priv->ug_info->phy_address); + ph = of_get_property(np, "phy-handle", NULL); + phy = of_find_node_by_phandle(*ph); + mdio = of_get_parent(phy); + + id = of_get_property(phy, "reg", NULL); + + of_node_put(phy); + of_node_put(mdio); + + uec_mdio_bus_name(bus_name, mdio); + snprintf(phy_id, sizeof(phy_id), "%s:%02x", + bus_name, *id); phydev = phy_connect(dev, phy_id, &adjust_link, 0, priv->phy_interface); @@ -3748,6 +3763,7 @@ static int ucc_geth_probe(struct of_device* ofdev, const struct of_device_id *ma ugeth->ug_info = ug_info; ugeth->dev = dev; + ugeth->node = np; return 0; } diff --git a/drivers/net/ucc_geth.h b/drivers/net/ucc_geth.h index 8f699cb..16cbe42 100644 --- a/drivers/net/ucc_geth.h +++ b/drivers/net/ucc_geth.h @@ -1186,6 +1186,8 @@ struct ucc_geth_private { int oldspeed; int oldduplex; int oldlink; + + struct device_node *node; }; void uec_set_ethtool_ops(struct net_device *netdev); diff --git a/drivers/net/ucc_geth_mii.c b/drivers/net/ucc_geth_mii.c index c001d26..5463591 100644 --- a/drivers/net/ucc_geth_mii.c +++ b/drivers/net/ucc_geth_mii.c @@ -156,7 +156,7 @@ static int uec_mdio_probe(struct of_device *ofdev, const struct of_device_id *ma if (err) goto reg_map_fail; - snprintf(new_bus->id, MII_BUS_ID_SIZE, "%x", res.start); + uec_mdio_bus_name(new_bus->id, np); new_bus->irq = kmalloc(32 * sizeof(int), GFP_KERNEL); @@ -283,3 +283,13 @@ void uec_mdio_exit(void) { of_unregister_platform_driver(&uec_mdio_driver); } + +void uec_mdio_bus_name(char *name, struct device_node *np) +{ + const u32 *reg; + + reg = of_get_property(np, "reg", NULL); + + snprintf(name, MII_BUS_ID_SIZE, "%s@%x", np->name, reg ? *reg : 0); +} + diff --git a/drivers/net/ucc_geth_mii.h b/drivers/net/ucc_geth_mii.h index 1e45b20..840cf80 100644 --- a/drivers/net/ucc_geth_mii.h +++ b/drivers/net/ucc_geth_mii.h @@ -97,4 +97,5 @@ int uec_mdio_read(struct mii_bus *bus, int mii_id, int regnum); int uec_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value); int __init uec_mdio_init(void); void uec_mdio_exit(void); +void uec_mdio_bus_name(char *name, struct device_node *np); #endif /* __UEC_MII_H */ diff --git a/drivers/net/usb/hso.c b/drivers/net/usb/hso.c index 0d0fa91..fe98aca 100644 --- a/drivers/net/usb/hso.c +++ b/drivers/net/usb/hso.c @@ -455,6 +455,7 @@ static const struct usb_device_id hso_ids[] = { {icon321_port_device(0x0af0, 0xd033)}, /* Icon-322 */ {USB_DEVICE(0x0af0, 0x7301)}, /* GE40x */ {USB_DEVICE(0x0af0, 0x7361)}, /* GE40x */ + {USB_DEVICE(0x0af0, 0x7381)}, /* GE40x */ {USB_DEVICE(0x0af0, 0x7401)}, /* GI 0401 */ {USB_DEVICE(0x0af0, 0x7501)}, /* GTM 382 */ {USB_DEVICE(0x0af0, 0x7601)}, /* GE40x */ @@ -462,7 +463,8 @@ static const struct usb_device_id hso_ids[] = { {USB_DEVICE(0x0af0, 0x7801)}, {USB_DEVICE(0x0af0, 0x7901)}, {USB_DEVICE(0x0af0, 0x7361)}, - {icon321_port_device(0x0af0, 0xd051)}, + {USB_DEVICE(0x0af0, 0xd057)}, + {USB_DEVICE(0x0af0, 0xd055)}, {} }; MODULE_DEVICE_TABLE(usb, hso_ids); diff --git a/drivers/net/usb/mcs7830.c b/drivers/net/usb/mcs7830.c index 5385d66..ced8f36e 100644 --- a/drivers/net/usb/mcs7830.c +++ b/drivers/net/usb/mcs7830.c @@ -94,10 +94,18 @@ static int mcs7830_get_reg(struct usbnet *dev, u16 index, u16 size, void *data) { struct usb_device *xdev = dev->udev; int ret; + void *buffer; + + buffer = kmalloc(size, GFP_NOIO); + if (buffer == NULL) + return -ENOMEM; ret = usb_control_msg(xdev, usb_rcvctrlpipe(xdev, 0), MCS7830_RD_BREQ, - MCS7830_RD_BMREQ, 0x0000, index, data, + MCS7830_RD_BMREQ, 0x0000, index, buffer, size, MCS7830_CTRL_TIMEOUT); + memcpy(data, buffer, size); + kfree(buffer); + return ret; } @@ -105,10 +113,18 @@ static int mcs7830_set_reg(struct usbnet *dev, u16 index, u16 size, void *data) { struct usb_device *xdev = dev->udev; int ret; + void *buffer; + + buffer = kmalloc(size, GFP_NOIO); + if (buffer == NULL) + return -ENOMEM; + + memcpy(buffer, data, size); ret = usb_control_msg(xdev, usb_sndctrlpipe(xdev, 0), MCS7830_WR_BREQ, - MCS7830_WR_BMREQ, 0x0000, index, data, + MCS7830_WR_BMREQ, 0x0000, index, buffer, size, MCS7830_CTRL_TIMEOUT); + kfree(buffer); return ret; } diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c index a75f91d..c5691fd 100644 --- a/drivers/net/via-velocity.c +++ b/drivers/net/via-velocity.c @@ -1302,7 +1302,7 @@ static void velocity_free_rd_ring(struct velocity_info *vptr) static int velocity_init_td_ring(struct velocity_info *vptr) { dma_addr_t curr; - unsigned int j; + int j; /* Init the TD ring entries */ for (j = 0; j < vptr->tx.numq; j++) { diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c index 43f6523c..c688083 100644 --- a/drivers/net/virtio_net.c +++ b/drivers/net/virtio_net.c @@ -24,6 +24,7 @@ #include <linux/virtio.h> #include <linux/virtio_net.h> #include <linux/scatterlist.h> +#include <linux/if_vlan.h> static int napi_weight = 128; module_param(napi_weight, int, 0444); @@ -33,7 +34,7 @@ module_param(csum, bool, 0444); module_param(gso, bool, 0444); /* FIXME: MTU in config. */ -#define MAX_PACKET_LEN (ETH_HLEN+ETH_DATA_LEN) +#define MAX_PACKET_LEN (ETH_HLEN + VLAN_HLEN + ETH_DATA_LEN) #define GOOD_COPY_LEN 128 struct virtnet_info @@ -286,7 +287,7 @@ static void try_fill_recv_maxbufs(struct virtnet_info *vi) skb_put(skb, MAX_PACKET_LEN); hdr = skb_vnet_hdr(skb); - sg_init_one(sg, hdr, sizeof(*hdr)); + sg_set_buf(sg, hdr, sizeof(*hdr)); if (vi->big_packets) { for (i = 0; i < MAX_SKB_FRAGS; i++) { @@ -487,9 +488,9 @@ static int xmit_skb(struct virtnet_info *vi, struct sk_buff *skb) /* Encode metadata header at front. */ if (vi->mergeable_rx_bufs) - sg_init_one(sg, mhdr, sizeof(*mhdr)); + sg_set_buf(sg, mhdr, sizeof(*mhdr)); else - sg_init_one(sg, hdr, sizeof(*hdr)); + sg_set_buf(sg, hdr, sizeof(*hdr)); num = skb_to_sgvec(skb, sg+1, 0, skb->len) + 1; diff --git a/drivers/net/wimax/i2400m/control.c b/drivers/net/wimax/i2400m/control.c index d3d37fe..15d9f51 100644 --- a/drivers/net/wimax/i2400m/control.c +++ b/drivers/net/wimax/i2400m/control.c @@ -609,7 +609,7 @@ void i2400m_msg_to_dev_cancel_wait(struct i2400m *i2400m, int code) spin_lock_irqsave(&i2400m->rx_lock, flags); ack_skb = i2400m->ack_skb; if (ack_skb && !IS_ERR(ack_skb)) - kfree(ack_skb); + kfree_skb(ack_skb); i2400m->ack_skb = ERR_PTR(code); spin_unlock_irqrestore(&i2400m->rx_lock, flags); } diff --git a/drivers/net/wimax/i2400m/debugfs.c b/drivers/net/wimax/i2400m/debugfs.c index 6266329..9b81af3 100644 --- a/drivers/net/wimax/i2400m/debugfs.c +++ b/drivers/net/wimax/i2400m/debugfs.c @@ -234,20 +234,6 @@ struct dentry *debugfs_create_i2400m_reset( &fops_i2400m_reset); } -/* - * Debug levels control; see debug.h - */ -struct d_level D_LEVEL[] = { - D_SUBMODULE_DEFINE(control), - D_SUBMODULE_DEFINE(driver), - D_SUBMODULE_DEFINE(debugfs), - D_SUBMODULE_DEFINE(fw), - D_SUBMODULE_DEFINE(netdev), - D_SUBMODULE_DEFINE(rfkill), - D_SUBMODULE_DEFINE(rx), - D_SUBMODULE_DEFINE(tx), -}; -size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL); #define __debugfs_register(prefix, name, parent) \ do { \ diff --git a/drivers/net/wimax/i2400m/driver.c b/drivers/net/wimax/i2400m/driver.c index 5f98047..e80a0b6 100644 --- a/drivers/net/wimax/i2400m/driver.c +++ b/drivers/net/wimax/i2400m/driver.c @@ -707,6 +707,22 @@ void i2400m_release(struct i2400m *i2400m) EXPORT_SYMBOL_GPL(i2400m_release); +/* + * Debug levels control; see debug.h + */ +struct d_level D_LEVEL[] = { + D_SUBMODULE_DEFINE(control), + D_SUBMODULE_DEFINE(driver), + D_SUBMODULE_DEFINE(debugfs), + D_SUBMODULE_DEFINE(fw), + D_SUBMODULE_DEFINE(netdev), + D_SUBMODULE_DEFINE(rfkill), + D_SUBMODULE_DEFINE(rx), + D_SUBMODULE_DEFINE(tx), +}; +size_t D_LEVEL_SIZE = ARRAY_SIZE(D_LEVEL); + + static int __init i2400m_driver_init(void) { diff --git a/drivers/net/wimax/i2400m/usb-rx.c b/drivers/net/wimax/i2400m/usb-rx.c index 074cc1f..a314799 100644 --- a/drivers/net/wimax/i2400m/usb-rx.c +++ b/drivers/net/wimax/i2400m/usb-rx.c @@ -184,6 +184,8 @@ void i2400mu_rx_size_maybe_shrink(struct i2400mu *i2400mu) * NOTE: this function might realloc the skb (if it is too small), * so always update with the one returned. * ERR_PTR() is < 0 on error. + * Will return NULL if it cannot reallocate -- this can be + * considered a transient retryable error. */ static struct sk_buff *i2400mu_rx(struct i2400mu *i2400mu, struct sk_buff *rx_skb) @@ -243,8 +245,8 @@ retry: if (printk_ratelimit()) dev_err(dev, "RX: Can't reallocate skb to %d; " "RX dropped\n", rx_size); - kfree(rx_skb); - result = 0; + kfree_skb(rx_skb); + rx_skb = NULL; goto out; /* drop it...*/ } kfree_skb(rx_skb); @@ -344,7 +346,8 @@ int i2400mu_rxd(void *_i2400mu) if (IS_ERR(rx_skb)) goto out; atomic_dec(&i2400mu->rx_pending_count); - if (rx_skb->len == 0) { /* some ignorable condition */ + if (rx_skb == NULL || rx_skb->len == 0) { + /* some "ignorable" condition */ kfree_skb(rx_skb); continue; } diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 8ef8735..a533ed6 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -1028,6 +1028,8 @@ ath5k_setup_bands(struct ieee80211_hw *hw) * it's done by reseting the chip. To accomplish this we must * first cleanup any pending DMA, then restart stuff after a la * ath5k_init. + * + * Called with sc->lock. */ static int ath5k_chan_set(struct ath5k_softc *sc, struct ieee80211_channel *chan) @@ -2814,11 +2816,17 @@ ath5k_config(struct ieee80211_hw *hw, u32 changed) { struct ath5k_softc *sc = hw->priv; struct ieee80211_conf *conf = &hw->conf; + int ret; + + mutex_lock(&sc->lock); sc->bintval = conf->beacon_int; sc->power_level = conf->power_level; - return ath5k_chan_set(sc, conf->channel); + ret = ath5k_chan_set(sc, conf->channel); + + mutex_unlock(&sc->lock); + return ret; } static int diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c index 04ab457..1b71b93 100644 --- a/drivers/net/wireless/ath9k/rc.c +++ b/drivers/net/wireless/ath9k/rc.c @@ -490,7 +490,7 @@ static inline int ath_rc_get_nextvalid_txrate(struct ath_rate_table *rate_table, static int ath_rc_valid_phyrate(u32 phy, u32 capflag, int ignore_cw) { - if (WLAN_RC_PHY_HT(phy) & !(capflag & WLAN_RC_HT_FLAG)) + if (WLAN_RC_PHY_HT(phy) && !(capflag & WLAN_RC_HT_FLAG)) return 0; if (WLAN_RC_PHY_DS(phy) && !(capflag & WLAN_RC_DS_FLAG)) return 0; diff --git a/drivers/net/wireless/ath9k/regd_common.h b/drivers/net/wireless/ath9k/regd_common.h index 9112c03..6df1b3b 100644 --- a/drivers/net/wireless/ath9k/regd_common.h +++ b/drivers/net/wireless/ath9k/regd_common.h @@ -228,7 +228,7 @@ enum { }; #define REG_DOMAIN_2GHZ_MASK (REQ_MASK & \ - (!(ADHOC_NO_11A | DISALLOW_ADHOC_11A | DISALLOW_ADHOC_11A_TURB))) + (~(ADHOC_NO_11A | DISALLOW_ADHOC_11A | DISALLOW_ADHOC_11A_TURB))) #define REG_DOMAIN_5GHZ_MASK REQ_MASK static struct reg_dmn_pair_mapping regDomainPairs[] = { diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c index 9b60a0c..21c8418 100644 --- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c @@ -638,12 +638,16 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, s8 scale_action = 0; unsigned long flags; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; - u16 fc, rate_mask; + u16 fc; + u16 rate_mask = 0; struct iwl3945_priv *priv = (struct iwl3945_priv *)priv_r; struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); IWL_DEBUG_RATE("enter\n"); + if (sta) + rate_mask = sta->supp_rates[sband->band]; + /* Send management frames and broadcast/multicast data using lowest * rate. */ fc = le16_to_cpu(hdr->frame_control); @@ -651,11 +655,15 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, is_multicast_ether_addr(hdr->addr1) || !sta || !priv_sta) { IWL_DEBUG_RATE("leave: No STA priv data to update!\n"); - info->control.rates[0].idx = rate_lowest_index(sband, sta); + if (!rate_mask) + info->control.rates[0].idx = + rate_lowest_index(sband, NULL); + else + info->control.rates[0].idx = + rate_lowest_index(sband, sta); return; } - rate_mask = sta->supp_rates[sband->band]; index = min(rs_sta->last_txrate_idx & 0xffff, IWL_RATE_COUNT - 1); if (sband->band == IEEE80211_BAND_5GHZ) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c index f3f1792..27f5047 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-rs.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-rs.c @@ -944,7 +944,8 @@ static void rs_tx_status(void *priv_r, struct ieee80211_supported_band *sband, } /* See if there's a better rate or modulation mode to try. */ - rs_rate_scale_perform(priv, hdr, sta, lq_sta); + if (sta && sta->supp_rates[sband->band]) + rs_rate_scale_perform(priv, hdr, sta, lq_sta); out: return; } @@ -2101,14 +2102,23 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta, void *priv_sta, struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb); struct iwl_lq_sta *lq_sta = priv_sta; int rate_idx; + u64 mask_bit = 0; IWL_DEBUG_RATE_LIMIT("rate scale calculate new rate for skb\n"); + if (sta) + mask_bit = sta->supp_rates[sband->band]; + /* Send management frames and broadcast/multicast data using lowest * rate. */ if (!ieee80211_is_data(hdr->frame_control) || is_multicast_ether_addr(hdr->addr1) || !sta || !lq_sta) { - info->control.rates[0].idx = rate_lowest_index(sband, sta); + if (!mask_bit) + info->control.rates[0].idx = + rate_lowest_index(sband, NULL); + else + info->control.rates[0].idx = + rate_lowest_index(sband, sta); return; } diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c index 5da6b35..c01ea48d 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn.c @@ -1719,6 +1719,10 @@ static int iwl_read_ucode(struct iwl_priv *priv) priv->ucode_data_backup.len = data_size; iwl_alloc_fw_desc(priv->pci_dev, &priv->ucode_data_backup); + if (!priv->ucode_code.v_addr || !priv->ucode_data.v_addr || + !priv->ucode_data_backup.v_addr) + goto err_pci_alloc; + /* Initialization instructions and data */ if (init_size && init_data_size) { priv->ucode_init.len = init_size; @@ -2482,7 +2486,7 @@ static int iwl_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) dev_kfree_skb_any(skb); IWL_DEBUG_MACDUMP("leave\n"); - return 0; + return NETDEV_TX_OK; } static int iwl_mac_add_interface(struct ieee80211_hw *hw, @@ -4038,6 +4042,7 @@ static int iwl_pci_suspend(struct pci_dev *pdev, pm_message_t state) priv->is_open = 1; } + pci_save_state(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; @@ -4048,6 +4053,7 @@ static int iwl_pci_resume(struct pci_dev *pdev) struct iwl_priv *priv = pci_get_drvdata(pdev); pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); if (priv->is_open) iwl_mac_start(priv->hw); diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c index 8c71ad4..4b35b30 100644 --- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c +++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c @@ -224,7 +224,7 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd) IWL_ERROR("Error: Response NULL in '%s'\n", get_cmd_string(cmd->id)); ret = -EIO; - goto out; + goto cancel; } ret = 0; diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c index 412f66b..70a8b21 100644 --- a/drivers/net/wireless/iwlwifi/iwl-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-sta.c @@ -480,6 +480,9 @@ void iwl_clear_stations_table(struct iwl_priv *priv) priv->num_stations = 0; memset(priv->stations, 0, sizeof(priv->stations)); + /* clean ucode key table bit map */ + priv->ucode_key_table = 0; + spin_unlock_irqrestore(&priv->sta_lock, flags); } EXPORT_SYMBOL(iwl_clear_stations_table); diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c index d645808..5b44d32 100644 --- a/drivers/net/wireless/iwlwifi/iwl3945-base.c +++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c @@ -745,7 +745,7 @@ static int iwl3945_send_cmd_sync(struct iwl3945_priv *priv, struct iwl3945_host_ IWL_ERROR("Error: Response NULL in '%s'\n", get_cmd_string(cmd->id)); ret = -EIO; - goto out; + goto cancel; } ret = 0; @@ -6538,7 +6538,7 @@ static int iwl3945_mac_tx(struct ieee80211_hw *hw, struct sk_buff *skb) dev_kfree_skb_any(skb); IWL_DEBUG_MAC80211("leave\n"); - return 0; + return NETDEV_TX_OK; } static int iwl3945_mac_add_interface(struct ieee80211_hw *hw, @@ -8143,6 +8143,7 @@ static int iwl3945_pci_suspend(struct pci_dev *pdev, pm_message_t state) priv->is_open = 1; } + pci_save_state(pdev); pci_set_power_state(pdev, PCI_D3hot); return 0; @@ -8153,6 +8154,7 @@ static int iwl3945_pci_resume(struct pci_dev *pdev) struct iwl3945_priv *priv = pci_get_drvdata(pdev); pci_set_power_state(pdev, PCI_D0); + pci_restore_state(pdev); if (priv->is_open) iwl3945_mac_start(priv->hw); diff --git a/drivers/net/wireless/libertas/hostcmd.h b/drivers/net/wireless/libertas/hostcmd.h index e173b1b..f6a79a6 100644 --- a/drivers/net/wireless/libertas/hostcmd.h +++ b/drivers/net/wireless/libertas/hostcmd.h @@ -32,7 +32,7 @@ struct txpd { u8 pktdelay_2ms; /* reserved */ u8 reserved1; -}; +} __attribute__ ((packed)); /* RxPD Descriptor */ struct rxpd { @@ -63,7 +63,7 @@ struct rxpd { /* Pkt Priority */ u8 priority; u8 reserved[3]; -}; +} __attribute__ ((packed)); struct cmd_header { __le16 command; @@ -97,7 +97,7 @@ struct enc_key { struct lbs_offset_value { u32 offset; u32 value; -}; +} __attribute__ ((packed)); /* Define general data structure */ /* cmd_DS_GEN */ @@ -107,7 +107,7 @@ struct cmd_ds_gen { __le16 seqnum; __le16 result; void *cmdresp[0]; -}; +} __attribute__ ((packed)); #define S_DS_GEN sizeof(struct cmd_ds_gen) @@ -163,7 +163,7 @@ struct cmd_ds_802_11_subscribe_event { * bump this up a bit. */ uint8_t tlv[128]; -}; +} __attribute__ ((packed)); /* * This scan handle Country Information IE(802.11d compliant) @@ -180,7 +180,7 @@ struct cmd_ds_802_11_scan { mrvlietypes_chanlistparamset_t ChanListParamSet; mrvlietypes_ratesparamset_t OpRateSet; #endif -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_scan_rsp { struct cmd_header hdr; @@ -188,7 +188,7 @@ struct cmd_ds_802_11_scan_rsp { __le16 bssdescriptsize; uint8_t nr_sets; uint8_t bssdesc_and_tlvbuffer[0]; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_get_log { struct cmd_header hdr; @@ -206,33 +206,33 @@ struct cmd_ds_802_11_get_log { __le32 fcserror; __le32 txframe; __le32 wepundecryptable; -}; +} __attribute__ ((packed)); struct cmd_ds_mac_control { struct cmd_header hdr; __le16 action; u16 reserved; -}; +} __attribute__ ((packed)); struct cmd_ds_mac_multicast_adr { struct cmd_header hdr; __le16 action; __le16 nr_of_adrs; u8 maclist[ETH_ALEN * MRVDRV_MAX_MULTICAST_LIST_SIZE]; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_authenticate { u8 macaddr[ETH_ALEN]; u8 authtype; u8 reserved[10]; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_deauthenticate { struct cmd_header hdr; u8 macaddr[ETH_ALEN]; __le16 reasoncode; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_associate { u8 peerstaaddr[6]; @@ -251,7 +251,7 @@ struct cmd_ds_802_11_associate { struct cmd_ds_802_11_associate_rsp { struct ieeetypes_assocrsp assocRsp; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_set_wep { struct cmd_header hdr; @@ -265,7 +265,7 @@ struct cmd_ds_802_11_set_wep { /* 40, 128bit or TXWEP */ uint8_t keytype[4]; uint8_t keymaterial[4][16]; -}; +} __attribute__ ((packed)); struct cmd_ds_802_3_get_stat { __le32 xmitok; @@ -274,7 +274,7 @@ struct cmd_ds_802_3_get_stat { __le32 rcverror; __le32 rcvnobuffer; __le32 rcvcrcerror; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_get_stat { __le32 txfragmentcnt; @@ -294,7 +294,7 @@ struct cmd_ds_802_11_get_stat { __le32 txbeacon; __le32 rxbeacon; __le32 wepundecryptable; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_snmp_mib { struct cmd_header hdr; @@ -303,58 +303,58 @@ struct cmd_ds_802_11_snmp_mib { __le16 oid; __le16 bufsize; u8 value[128]; -}; +} __attribute__ ((packed)); struct cmd_ds_mac_reg_map { __le16 buffersize; u8 regmap[128]; __le16 reserved; -}; +} __attribute__ ((packed)); struct cmd_ds_bbp_reg_map { __le16 buffersize; u8 regmap[128]; __le16 reserved; -}; +} __attribute__ ((packed)); struct cmd_ds_rf_reg_map { __le16 buffersize; u8 regmap[64]; __le16 reserved; -}; +} __attribute__ ((packed)); struct cmd_ds_mac_reg_access { __le16 action; __le16 offset; __le32 value; -}; +} __attribute__ ((packed)); struct cmd_ds_bbp_reg_access { __le16 action; __le16 offset; u8 value; u8 reserved[3]; -}; +} __attribute__ ((packed)); struct cmd_ds_rf_reg_access { __le16 action; __le16 offset; u8 value; u8 reserved[3]; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_radio_control { struct cmd_header hdr; __le16 action; __le16 control; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_beacon_control { __le16 action; __le16 beacon_enable; __le16 beacon_period; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_sleep_params { struct cmd_header hdr; @@ -379,7 +379,7 @@ struct cmd_ds_802_11_sleep_params { /* reserved field, should be set to zero */ __le16 reserved; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_inactivity_timeout { struct cmd_header hdr; @@ -389,7 +389,7 @@ struct cmd_ds_802_11_inactivity_timeout { /* Inactivity timeout in msec */ __le16 timeout; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_rf_channel { struct cmd_header hdr; @@ -399,7 +399,7 @@ struct cmd_ds_802_11_rf_channel { __le16 rftype; /* unused */ __le16 reserved; /* unused */ u8 channellist[32]; /* unused */ -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_rssi { /* weighting factor */ @@ -408,21 +408,21 @@ struct cmd_ds_802_11_rssi { __le16 reserved_0; __le16 reserved_1; __le16 reserved_2; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_rssi_rsp { __le16 SNR; __le16 noisefloor; __le16 avgSNR; __le16 avgnoisefloor; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_mac_address { struct cmd_header hdr; __le16 action; u8 macadd[ETH_ALEN]; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_rf_tx_power { struct cmd_header hdr; @@ -431,7 +431,7 @@ struct cmd_ds_802_11_rf_tx_power { __le16 curlevel; s8 maxlevel; s8 minlevel; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_rf_antenna { __le16 action; @@ -439,33 +439,33 @@ struct cmd_ds_802_11_rf_antenna { /* Number of antennas or 0xffff(diversity) */ __le16 antennamode; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_monitor_mode { __le16 action; __le16 mode; -}; +} __attribute__ ((packed)); struct cmd_ds_set_boot2_ver { struct cmd_header hdr; __le16 action; __le16 version; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_fw_wake_method { struct cmd_header hdr; __le16 action; __le16 method; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_sleep_period { struct cmd_header hdr; __le16 action; __le16 period; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_ps_mode { __le16 action; @@ -473,7 +473,7 @@ struct cmd_ds_802_11_ps_mode { __le16 multipledtim; __le16 reserved; __le16 locallisteninterval; -}; +} __attribute__ ((packed)); struct cmd_confirm_sleep { struct cmd_header hdr; @@ -483,7 +483,7 @@ struct cmd_confirm_sleep { __le16 multipledtim; __le16 reserved; __le16 locallisteninterval; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_data_rate { struct cmd_header hdr; @@ -491,14 +491,14 @@ struct cmd_ds_802_11_data_rate { __le16 action; __le16 reserved; u8 rates[MAX_RATES]; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_rate_adapt_rateset { struct cmd_header hdr; __le16 action; __le16 enablehwauto; __le16 bitmap; -}; +} __attribute__ ((packed)); struct cmd_ds_802_11_ad_hoc_start { struct cmd_header hdr; @@ -520,7 +520,7 @@ struct cmd_ds_802_11_ad_hoc_result { u8 pad[3]; u8 bssid[ETH_ALEN]; -}; +} __attribute__ ((packed)); struct adhoc_bssdesc { u8 bssid[ETH_ALEN]; @@ -578,7 +578,7 @@ struct MrvlIEtype_keyParamSet { /* key material of size keylen */ u8 key[32]; -}; +} __attribute__ ((packed)); #define MAX_WOL_RULES 16 @@ -590,7 +590,7 @@ struct host_wol_rule { __le16 reserve; __be32 sig_mask; __be32 signature; -}; +} __attribute__ ((packed)); struct wol_config { uint8_t action; @@ -598,8 +598,7 @@ struct wol_config { uint8_t no_rules_in_cmd; uint8_t result; struct host_wol_rule rule[MAX_WOL_RULES]; -}; - +} __attribute__ ((packed)); struct cmd_ds_host_sleep { struct cmd_header hdr; diff --git a/drivers/net/wireless/orinoco/orinoco.c b/drivers/net/wireless/orinoco/orinoco.c index c3bb85e..45a04fa 100644 --- a/drivers/net/wireless/orinoco/orinoco.c +++ b/drivers/net/wireless/orinoco/orinoco.c @@ -1673,7 +1673,7 @@ static void print_linkstatus(struct net_device *dev, u16 status) s = "UNKNOWN"; } - printk(KERN_INFO "%s: New link status: %s (%04x)\n", + printk(KERN_DEBUG "%s: New link status: %s (%04x)\n", dev->name, s, status); } @@ -5068,33 +5068,30 @@ static int orinoco_ioctl_set_genie(struct net_device *dev, struct orinoco_private *priv = netdev_priv(dev); u8 *buf; unsigned long flags; - int err = 0; /* cut off at IEEE80211_MAX_DATA_LEN */ if ((wrqu->data.length > IEEE80211_MAX_DATA_LEN) || (wrqu->data.length && (extra == NULL))) return -EINVAL; - if (orinoco_lock(priv, &flags) != 0) - return -EBUSY; - if (wrqu->data.length) { buf = kmalloc(wrqu->data.length, GFP_KERNEL); - if (buf == NULL) { - err = -ENOMEM; - goto out; - } + if (buf == NULL) + return -ENOMEM; memcpy(buf, extra, wrqu->data.length); - kfree(priv->wpa_ie); - priv->wpa_ie = buf; - priv->wpa_ie_len = wrqu->data.length; - } else { - kfree(priv->wpa_ie); - priv->wpa_ie = NULL; - priv->wpa_ie_len = 0; + } else + buf = NULL; + + if (orinoco_lock(priv, &flags) != 0) { + kfree(buf); + return -EBUSY; } + kfree(priv->wpa_ie); + priv->wpa_ie = buf; + priv->wpa_ie_len = wrqu->data.length; + if (priv->wpa_ie) { /* Looks like wl_lkm wants to check the auth alg, and * somehow pass it to the firmware. @@ -5103,9 +5100,8 @@ static int orinoco_ioctl_set_genie(struct net_device *dev, */ } -out: orinoco_unlock(priv, &flags); - return err; + return 0; } static int orinoco_ioctl_get_genie(struct net_device *dev, diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c index c6a370f..34561e6 100644 --- a/drivers/net/wireless/p54/p54common.c +++ b/drivers/net/wireless/p54/p54common.c @@ -451,8 +451,8 @@ static int p54_parse_eeprom(struct ieee80211_hw *dev, void *eeprom, int len) } if (err) goto err; - - } + } + break; case PDR_PRISM_ZIF_TX_IQ_CALIBRATION: priv->iq_autocal = kmalloc(data_len, GFP_KERNEL); if (!priv->iq_autocal) { @@ -745,7 +745,7 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb) struct ieee80211_tx_info *info = IEEE80211_SKB_CB(entry); struct p54_hdr *entry_hdr; struct p54_tx_data *entry_data; - int pad = 0; + unsigned int pad = 0, frame_len; range = (void *)info->rate_driver_data; if (range->start_addr != addr) { @@ -768,6 +768,7 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb) __skb_unlink(entry, &priv->tx_queue); spin_unlock_irqrestore(&priv->tx_queue.lock, flags); + frame_len = entry->len; entry_hdr = (struct p54_hdr *) entry->data; entry_data = (struct p54_tx_data *) entry_hdr->data; priv->tx_stats[entry_data->hw_queue].len--; @@ -814,15 +815,28 @@ static void p54_rx_frame_sent(struct ieee80211_hw *dev, struct sk_buff *skb) info->status.ack_signal = p54_rssi_to_dbm(dev, (int)payload->ack_rssi); - if (entry_data->key_type == P54_CRYPTO_TKIPMICHAEL) { + /* Undo all changes to the frame. */ + switch (entry_data->key_type) { + case P54_CRYPTO_TKIPMICHAEL: { u8 *iv = (u8 *)(entry_data->align + pad + - entry_data->crypt_offset); + entry_data->crypt_offset); /* Restore the original TKIP IV. */ iv[2] = iv[0]; iv[0] = iv[1]; iv[1] = (iv[0] | 0x20) & 0x7f; /* WEPSeed - 8.3.2.2 */ + + frame_len -= 12; /* remove TKIP_MMIC + TKIP_ICV */ + break; + } + case P54_CRYPTO_AESCCMP: + frame_len -= 8; /* remove CCMP_MIC */ + break; + case P54_CRYPTO_WEP: + frame_len -= 4; /* remove WEP_ICV */ + break; } + skb_trim(entry, frame_len); skb_pull(entry, sizeof(*hdr) + pad + sizeof(*entry_data)); ieee80211_tx_status_irqsafe(dev, entry); goto out; @@ -1147,7 +1161,7 @@ static int p54_set_tim(struct ieee80211_hw *dev, struct ieee80211_sta *sta, skb = p54_alloc_skb(dev, P54_HDR_FLAG_CONTROL_OPSET, sizeof(struct p54_hdr) + sizeof(*tim), - P54_CONTROL_TYPE_TIM, GFP_KERNEL); + P54_CONTROL_TYPE_TIM, GFP_ATOMIC); if (!skb) return -ENOMEM; @@ -1610,7 +1624,7 @@ static int p54_scan(struct ieee80211_hw *dev, u16 mode, u16 dwell) err: printk(KERN_ERR "%s: frequency change failed\n", wiphy_name(dev->wiphy)); - kfree_skb(skb); + p54_free_skb(dev, skb); return -EINVAL; } @@ -2077,7 +2091,7 @@ static int p54_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd, algo = P54_CRYPTO_AESCCMP; break; default: - return -EINVAL; + return -EOPNOTSUPP; } } diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c index 6a6a72f..5de2ebf 100644 --- a/drivers/net/wireless/p54/p54usb.c +++ b/drivers/net/wireless/p54/p54usb.c @@ -144,11 +144,8 @@ static void p54u_tx_cb(struct urb *urb) struct sk_buff *skb = urb->context; struct ieee80211_hw *dev = (struct ieee80211_hw *) usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0)); - struct p54u_priv *priv = dev->priv; - skb_pull(skb, priv->common.tx_hdr_len); - if (FREE_AFTER_TX(skb)) - p54_free_skb(dev, skb); + p54_free_skb(dev, skb); } static void p54u_tx_dummy_cb(struct urb *urb) { } @@ -230,7 +227,10 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb) p54u_tx_dummy_cb, dev); usb_fill_bulk_urb(data_urb, priv->udev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), - skb->data, skb->len, p54u_tx_cb, skb); + skb->data, skb->len, FREE_AFTER_TX(skb) ? + p54u_tx_cb : p54u_tx_dummy_cb, skb); + addr_urb->transfer_flags |= URB_ZERO_PACKET; + data_urb->transfer_flags |= URB_ZERO_PACKET; usb_anchor_urb(addr_urb, &priv->submitted); err = usb_submit_urb(addr_urb, GFP_ATOMIC); @@ -239,7 +239,7 @@ static void p54u_tx_3887(struct ieee80211_hw *dev, struct sk_buff *skb) goto out; } - usb_anchor_urb(addr_urb, &priv->submitted); + usb_anchor_urb(data_urb, &priv->submitted); err = usb_submit_urb(data_urb, GFP_ATOMIC); if (err) usb_unanchor_urb(data_urb); @@ -269,28 +269,24 @@ static void p54u_tx_lm87(struct ieee80211_hw *dev, struct sk_buff *skb) { struct p54u_priv *priv = dev->priv; struct urb *data_urb; - struct lm87_tx_hdr *hdr; - __le32 checksum; - __le32 addr = ((struct p54_hdr *)skb->data)->req_id; + struct lm87_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr); data_urb = usb_alloc_urb(0, GFP_ATOMIC); if (!data_urb) return; - checksum = p54u_lm87_chksum((__le32 *)skb->data, skb->len); - hdr = (struct lm87_tx_hdr *)skb_push(skb, sizeof(*hdr)); - hdr->chksum = checksum; - hdr->device_addr = addr; + hdr->chksum = p54u_lm87_chksum((__le32 *)skb->data, skb->len); + hdr->device_addr = ((struct p54_hdr *)skb->data)->req_id; usb_fill_bulk_urb(data_urb, priv->udev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), - skb->data, skb->len, p54u_tx_cb, skb); + hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ? + p54u_tx_cb : p54u_tx_dummy_cb, skb); data_urb->transfer_flags |= URB_ZERO_PACKET; usb_anchor_urb(data_urb, &priv->submitted); if (usb_submit_urb(data_urb, GFP_ATOMIC)) { usb_unanchor_urb(data_urb); - skb_pull(skb, sizeof(*hdr)); p54_free_skb(dev, skb); } usb_free_urb(data_urb); @@ -300,11 +296,9 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb) { struct p54u_priv *priv = dev->priv; struct urb *int_urb, *data_urb; - struct net2280_tx_hdr *hdr; + struct net2280_tx_hdr *hdr = (void *)skb->data - sizeof(*hdr); struct net2280_reg_write *reg; int err = 0; - __le32 addr = ((struct p54_hdr *) skb->data)->req_id; - __le16 len = cpu_to_le16(skb->len); reg = kmalloc(sizeof(*reg), GFP_ATOMIC); if (!reg) @@ -327,10 +321,9 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb) reg->addr = cpu_to_le32(P54U_DEV_BASE); reg->val = cpu_to_le32(ISL38XX_DEV_INT_DATA); - hdr = (void *)skb_push(skb, sizeof(*hdr)); memset(hdr, 0, sizeof(*hdr)); - hdr->len = len; - hdr->device_addr = addr; + hdr->len = cpu_to_le16(skb->len); + hdr->device_addr = ((struct p54_hdr *) skb->data)->req_id; usb_fill_bulk_urb(int_urb, priv->udev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DEV), reg, sizeof(*reg), @@ -341,11 +334,13 @@ static void p54u_tx_net2280(struct ieee80211_hw *dev, struct sk_buff *skb) * free what's inside the transfer_buffer after the callback routine * has completed. */ - int_urb->transfer_flags |= URB_FREE_BUFFER; + int_urb->transfer_flags |= URB_FREE_BUFFER | URB_ZERO_PACKET; usb_fill_bulk_urb(data_urb, priv->udev, usb_sndbulkpipe(priv->udev, P54U_PIPE_DATA), - skb->data, skb->len, p54u_tx_cb, skb); + hdr, skb->len + sizeof(*hdr), FREE_AFTER_TX(skb) ? + p54u_tx_cb : p54u_tx_dummy_cb, skb); + data_urb->transfer_flags |= URB_ZERO_PACKET; usb_anchor_urb(int_urb, &priv->submitted); err = usb_submit_urb(int_urb, GFP_ATOMIC); diff --git a/drivers/net/wireless/rndis_wlan.c b/drivers/net/wireless/rndis_wlan.c index 607ce9f..ed93ac4 100644 --- a/drivers/net/wireless/rndis_wlan.c +++ b/drivers/net/wireless/rndis_wlan.c @@ -1649,9 +1649,7 @@ static char *rndis_translate_scan(struct net_device *dev, char *end_buf, struct ndis_80211_bssid_ex *bssid) { -#ifdef DEBUG struct usbnet *usbdev = netdev_priv(dev); -#endif u8 *ie; char *current_val; int bssid_len, ie_len, i; diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 746a8f3..0709dec 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -154,6 +154,7 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, struct rt2x00_dev *rt2x00dev = entry->queue->rt2x00dev; struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(entry->skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)entry->skb->data; + struct ieee80211_tx_rate *txrate = &tx_info->control.rates[0]; struct ieee80211_rate *rate = ieee80211_get_tx_rate(rt2x00dev->hw, tx_info); const struct rt2x00_rate *hwrate; @@ -313,7 +314,7 @@ static void rt2x00queue_create_tx_descriptor(struct queue_entry *entry, * When preamble is enabled we should set the * preamble bit for the signal. */ - if (rate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) + if (txrate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE) txdesc->signal |= 0x08; } } diff --git a/drivers/net/wireless/rt2x00/rt2x00rfkill.c b/drivers/net/wireless/rt2x00/rt2x00rfkill.c index c3f53a9..3298cae 100644 --- a/drivers/net/wireless/rt2x00/rt2x00rfkill.c +++ b/drivers/net/wireless/rt2x00/rt2x00rfkill.c @@ -162,7 +162,7 @@ void rt2x00rfkill_allocate(struct rt2x00_dev *rt2x00dev) void rt2x00rfkill_free(struct rt2x00_dev *rt2x00dev) { - if (!test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->flags)) + if (!test_bit(RFKILL_STATE_ALLOCATED, &rt2x00dev->rfkill_state)) return; cancel_delayed_work_sync(&rt2x00dev->rfkill_work); diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c index 6ad6bac..22bc07e 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_dev.c +++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c @@ -273,6 +273,7 @@ static int rtl8187_tx(struct ieee80211_hw *dev, struct sk_buff *skb) usb_fill_bulk_urb(urb, priv->udev, usb_sndbulkpipe(priv->udev, ep), buf, skb->len, rtl8187_tx_cb, skb); + urb->transfer_flags |= URB_ZERO_PACKET; usb_anchor_urb(urb, &priv->anchored); rc = usb_submit_urb(urb, GFP_ATOMIC); if (rc < 0) { diff --git a/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c b/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c index 4e75e8e..78df281 100644 --- a/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c +++ b/drivers/net/wireless/rtl818x/rtl8187_rtl8225.c @@ -285,7 +285,10 @@ static void rtl8225_rf_set_tx_power(struct ieee80211_hw *dev, int channel) ofdm_power = priv->channels[channel - 1].hw_value >> 4; cck_power = min(cck_power, (u8)11); - ofdm_power = min(ofdm_power, (u8)35); + if (ofdm_power > (u8)15) + ofdm_power = 25; + else + ofdm_power += 10; rtl818x_iowrite8(priv, &priv->map->TX_GAIN_CCK, rtl8225_tx_gain_cck_ofdm[cck_power / 6] >> 1); @@ -536,7 +539,10 @@ static void rtl8225z2_rf_set_tx_power(struct ieee80211_hw *dev, int channel) cck_power += priv->txpwr_base & 0xF; cck_power = min(cck_power, (u8)35); - ofdm_power = min(ofdm_power, (u8)15); + if (ofdm_power > (u8)15) + ofdm_power = 25; + else + ofdm_power += 10; ofdm_power += priv->txpwr_base >> 4; ofdm_power = min(ofdm_power, (u8)35); diff --git a/drivers/net/wireless/zd1211rw/zd_usb.c b/drivers/net/wireless/zd1211rw/zd_usb.c index b5db57d..17527f7 100644 --- a/drivers/net/wireless/zd1211rw/zd_usb.c +++ b/drivers/net/wireless/zd1211rw/zd_usb.c @@ -84,6 +84,7 @@ static struct usb_device_id usb_ids[] = { { USB_DEVICE(0x0586, 0x340a), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x0471, 0x1237), .driver_info = DEVICE_ZD1211B }, { USB_DEVICE(0x07fa, 0x1196), .driver_info = DEVICE_ZD1211B }, + { USB_DEVICE(0x0df6, 0x0036), .driver_info = DEVICE_ZD1211B }, /* "Driverless" devices that need ejecting */ { USB_DEVICE(0x0ace, 0x2011), .driver_info = DEVICE_INSTALLER }, { USB_DEVICE(0x0ace, 0x20ff), .driver_info = DEVICE_INSTALLER }, diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c index 2e03b6d..e76d715 100644 --- a/drivers/oprofile/cpu_buffer.c +++ b/drivers/oprofile/cpu_buffer.c @@ -393,16 +393,21 @@ oprofile_write_reserve(struct op_entry *entry, struct pt_regs * const regs, return; fail: + entry->event = NULL; cpu_buf->sample_lost_overflow++; } int oprofile_add_data(struct op_entry *entry, unsigned long val) { + if (!entry->event) + return 0; return op_cpu_buffer_add_data(entry, val); } int oprofile_write_commit(struct op_entry *entry) { + if (!entry->event) + return -EINVAL; return op_cpu_buffer_write_commit(entry); } diff --git a/drivers/oprofile/cpu_buffer.h b/drivers/oprofile/cpu_buffer.h index 63f81c4..272995d 100644 --- a/drivers/oprofile/cpu_buffer.h +++ b/drivers/oprofile/cpu_buffer.h @@ -66,6 +66,13 @@ static inline void op_cpu_buffer_reset(int cpu) cpu_buf->last_task = NULL; } +/* + * op_cpu_buffer_add_data() and op_cpu_buffer_write_commit() may be + * called only if op_cpu_buffer_write_reserve() did not return NULL or + * entry->event != NULL, otherwise entry->size or entry->event will be + * used uninitialized. + */ + struct op_sample *op_cpu_buffer_write_reserve(struct op_entry *entry, unsigned long size); int op_cpu_buffer_write_commit(struct op_entry *entry); diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c index 3fac8f8..a70cf16 100644 --- a/drivers/parisc/sba_iommu.c +++ b/drivers/parisc/sba_iommu.c @@ -668,7 +668,7 @@ sba_mark_invalid(struct ioc *ioc, dma_addr_t iova, size_t byte_cnt) * @dev: instance of PCI owned by the driver that's asking * @mask: number of address bits this PCI device can handle * - * See Documentation/DMA-mapping.txt + * See Documentation/PCI/PCI-DMA-mapping.txt */ static int sba_dma_supported( struct device *dev, u64 mask) { @@ -680,8 +680,8 @@ static int sba_dma_supported( struct device *dev, u64 mask) return(0); } - /* Documentation/DMA-mapping.txt tells drivers to try 64-bit first, - * then fall back to 32-bit if that fails. + /* Documentation/PCI/PCI-DMA-mapping.txt tells drivers to try 64-bit + * first, then fall back to 32-bit if that fails. * We are just "encouraging" 32-bit DMA masks here since we can * never allow IOMMU bypass unless we add special support for ZX1. */ @@ -706,7 +706,7 @@ static int sba_dma_supported( struct device *dev, u64 mask) * @size: number of bytes to map in driver buffer. * @direction: R/W or both. * - * See Documentation/DMA-mapping.txt + * See Documentation/PCI/PCI-DMA-mapping.txt */ static dma_addr_t sba_map_single(struct device *dev, void *addr, size_t size, @@ -785,7 +785,7 @@ sba_map_single(struct device *dev, void *addr, size_t size, * @size: number of bytes mapped in driver buffer. * @direction: R/W or both. * - * See Documentation/DMA-mapping.txt + * See Documentation/PCI/PCI-DMA-mapping.txt */ static void sba_unmap_single(struct device *dev, dma_addr_t iova, size_t size, @@ -861,7 +861,7 @@ sba_unmap_single(struct device *dev, dma_addr_t iova, size_t size, * @size: number of bytes mapped in driver buffer. * @dma_handle: IOVA of new buffer. * - * See Documentation/DMA-mapping.txt + * See Documentation/PCI/PCI-DMA-mapping.txt */ static void *sba_alloc_consistent(struct device *hwdev, size_t size, dma_addr_t *dma_handle, gfp_t gfp) @@ -892,7 +892,7 @@ static void *sba_alloc_consistent(struct device *hwdev, size_t size, * @vaddr: virtual address IOVA of "consistent" buffer. * @dma_handler: IO virtual address of "consistent" buffer. * - * See Documentation/DMA-mapping.txt + * See Documentation/PCI/PCI-DMA-mapping.txt */ static void sba_free_consistent(struct device *hwdev, size_t size, void *vaddr, @@ -927,7 +927,7 @@ int dump_run_sg = 0; * @nents: number of entries in list * @direction: R/W or both. * - * See Documentation/DMA-mapping.txt + * See Documentation/PCI/PCI-DMA-mapping.txt */ static int sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, @@ -1011,7 +1011,7 @@ sba_map_sg(struct device *dev, struct scatterlist *sglist, int nents, * @nents: number of entries in list * @direction: R/W or both. * - * See Documentation/DMA-mapping.txt + * See Documentation/PCI/PCI-DMA-mapping.txt */ static void sba_unmap_sg(struct device *dev, struct scatterlist *sglist, int nents, diff --git a/drivers/pci/hotplug/Makefile b/drivers/pci/hotplug/Makefile index e31fb91..2aa117c 100644 --- a/drivers/pci/hotplug/Makefile +++ b/drivers/pci/hotplug/Makefile @@ -5,11 +5,15 @@ obj-$(CONFIG_HOTPLUG_PCI) += pci_hotplug.o obj-$(CONFIG_HOTPLUG_PCI_COMPAQ) += cpqphp.o obj-$(CONFIG_HOTPLUG_PCI_IBM) += ibmphp.o + +# pciehp should be linked before acpiphp in order to allow the native driver +# to attempt to bind first. We can then fall back to generic support. + +obj-$(CONFIG_HOTPLUG_PCI_PCIE) += pciehp.o obj-$(CONFIG_HOTPLUG_PCI_ACPI) += acpiphp.o obj-$(CONFIG_HOTPLUG_PCI_ACPI_IBM) += acpiphp_ibm.o obj-$(CONFIG_HOTPLUG_PCI_CPCI_ZT5550) += cpcihp_zt5550.o obj-$(CONFIG_HOTPLUG_PCI_CPCI_GENERIC) += cpcihp_generic.o -obj-$(CONFIG_HOTPLUG_PCI_PCIE) += pciehp.o obj-$(CONFIG_HOTPLUG_PCI_SHPC) += shpchp.o obj-$(CONFIG_HOTPLUG_PCI_RPA) += rpaphp.o obj-$(CONFIG_HOTPLUG_PCI_RPA_DLPAR) += rpadlpar_io.o diff --git a/drivers/pci/hotplug/fakephp.c b/drivers/pci/hotplug/fakephp.c index b0e7de9..d8649e1 100644 --- a/drivers/pci/hotplug/fakephp.c +++ b/drivers/pci/hotplug/fakephp.c @@ -195,13 +195,13 @@ static void remove_slot_worker(struct work_struct *work) * Tries hard not to re-enable already existing devices; * also handles scanning of subfunctions. */ -static void pci_rescan_slot(struct pci_dev *temp) +static int pci_rescan_slot(struct pci_dev *temp) { struct pci_bus *bus = temp->bus; struct pci_dev *dev; int func; - int retval; u8 hdr_type; + int count = 0; if (!pci_read_config_byte(temp, PCI_HEADER_TYPE, &hdr_type)) { temp->hdr_type = hdr_type & 0x7f; @@ -213,17 +213,12 @@ static void pci_rescan_slot(struct pci_dev *temp) dbg("New device on %s function %x:%x\n", bus->name, temp->devfn >> 3, temp->devfn & 7); - retval = pci_bus_add_device(dev); - if (retval) - dev_err(&dev->dev, "error adding " - "device, continuing.\n"); - else - add_slot(dev); + count++; } } /* multifunction device? */ if (!(hdr_type & 0x80)) - return; + return count; /* continue scanning for other functions */ for (func = 1, temp->devfn++; func < 8; func++, temp->devfn++) { @@ -239,16 +234,13 @@ static void pci_rescan_slot(struct pci_dev *temp) dbg("New device on %s function %x:%x\n", bus->name, temp->devfn >> 3, temp->devfn & 7); - retval = pci_bus_add_device(dev); - if (retval) - dev_err(&dev->dev, "error adding " - "device, continuing.\n"); - else - add_slot(dev); + count++; } } } } + + return count; } @@ -262,6 +254,8 @@ static void pci_rescan_bus(const struct pci_bus *bus) { unsigned int devfn; struct pci_dev *dev; + int retval; + int found = 0; dev = alloc_pci_dev(); if (!dev) return; @@ -270,7 +264,23 @@ static void pci_rescan_bus(const struct pci_bus *bus) dev->sysdata = bus->sysdata; for (devfn = 0; devfn < 0x100; devfn += 8) { dev->devfn = devfn; - pci_rescan_slot(dev); + found += pci_rescan_slot(dev); + } + + if (found) { + pci_bus_assign_resources(bus); + list_for_each_entry(dev, &bus->devices, bus_list) { + /* Skip already-added devices */ + if (dev->is_added) + continue; + retval = pci_bus_add_device(dev); + if (retval) + dev_err(&dev->dev, + "Error adding device, continuing\n"); + else + add_slot(dev); + } + pci_bus_add_devices(bus); } kfree(dev); } diff --git a/drivers/pci/hotplug/pciehp_core.c b/drivers/pci/hotplug/pciehp_core.c index 5482d4e..c248554 100644 --- a/drivers/pci/hotplug/pciehp_core.c +++ b/drivers/pci/hotplug/pciehp_core.c @@ -126,8 +126,10 @@ static int set_lock_status(struct hotplug_slot *hotplug_slot, u8 status) mutex_lock(&slot->ctrl->crit_sect); /* has it been >1 sec since our last toggle? */ - if ((get_seconds() - slot->last_emi_toggle) < 1) + if ((get_seconds() - slot->last_emi_toggle) < 1) { + mutex_unlock(&slot->ctrl->crit_sect); return -EINVAL; + } /* see what our current state is */ retval = get_lock_status(hotplug_slot, &value); diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index b4a90ba..44f15ff 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -103,6 +103,16 @@ static void msix_set_enable(struct pci_dev *dev, int enable) } } +/* + * Essentially, this is ((1 << (1 << x)) - 1), but without the + * undefinedness of a << 32. + */ +static inline __attribute_const__ u32 msi_mask(unsigned x) +{ + static const u32 mask[] = { 1, 2, 4, 0xf, 0xff, 0xffff, 0xffffffff }; + return mask[x]; +} + static void msix_flush_writes(struct irq_desc *desc) { struct msi_desc *entry; @@ -398,21 +408,18 @@ static int msi_capability_init(struct pci_dev *dev) entry->msi_attrib.masked = 1; entry->msi_attrib.default_irq = dev->irq; /* Save IOAPIC IRQ */ entry->msi_attrib.pos = pos; - if (entry->msi_attrib.maskbit) { - entry->mask_base = (void __iomem *)(long)msi_mask_bits_reg(pos, - entry->msi_attrib.is_64); - } entry->dev = dev; if (entry->msi_attrib.maskbit) { - unsigned int maskbits, temp; + unsigned int base, maskbits, temp; + + base = msi_mask_bits_reg(pos, entry->msi_attrib.is_64); + entry->mask_base = (void __iomem *)(long)base; + /* All MSIs are unmasked by default, Mask them all */ - pci_read_config_dword(dev, - msi_mask_bits_reg(pos, entry->msi_attrib.is_64), - &maskbits); - temp = (1 << multi_msi_capable(control)); - temp = ((temp - 1) & ~temp); + pci_read_config_dword(dev, base, &maskbits); + temp = msi_mask((control & PCI_MSI_FLAGS_QMASK) >> 1); maskbits |= temp; - pci_write_config_dword(dev, entry->msi_attrib.is_64, maskbits); + pci_write_config_dword(dev, base, maskbits); entry->msi_attrib.maskbits_mask = temp; } list_add_tail(&entry->list, &dev->msi_list); diff --git a/drivers/pci/pci-driver.c b/drivers/pci/pci-driver.c index c697f26..93eac14 100644 --- a/drivers/pci/pci-driver.c +++ b/drivers/pci/pci-driver.c @@ -355,17 +355,34 @@ static int pci_legacy_suspend(struct device *dev, pm_message_t state) int i = 0; if (drv && drv->suspend) { + pci_power_t prev = pci_dev->current_state; + + pci_dev->state_saved = false; + i = drv->suspend(pci_dev, state); suspend_report_result(drv->suspend, i); - } else { - pci_save_state(pci_dev); - /* - * This is for compatibility with existing code with legacy PM - * support. - */ - pci_pm_set_unknown_state(pci_dev); + if (i) + return i; + + if (pci_dev->state_saved) + goto Fixup; + + if (pci_dev->current_state != PCI_D0 + && pci_dev->current_state != PCI_UNKNOWN) { + WARN_ONCE(pci_dev->current_state != prev, + "PCI PM: Device state not saved by %pF\n", + drv->suspend); + goto Fixup; + } } + pci_save_state(pci_dev); + /* + * This is for compatibility with existing code with legacy PM support. + */ + pci_pm_set_unknown_state(pci_dev); + + Fixup: pci_fixup_device(pci_fixup_suspend, pci_dev); return i; @@ -386,108 +403,47 @@ static int pci_legacy_suspend_late(struct device *dev, pm_message_t state) static int pci_legacy_resume_early(struct device *dev) { - int error = 0; struct pci_dev * pci_dev = to_pci_dev(dev); struct pci_driver * drv = pci_dev->driver; - pci_fixup_device(pci_fixup_resume_early, pci_dev); - - if (drv && drv->resume_early) - error = drv->resume_early(pci_dev); - return error; + return drv && drv->resume_early ? + drv->resume_early(pci_dev) : 0; } static int pci_legacy_resume(struct device *dev) { - int error; struct pci_dev * pci_dev = to_pci_dev(dev); struct pci_driver * drv = pci_dev->driver; pci_fixup_device(pci_fixup_resume, pci_dev); - if (drv && drv->resume) { - error = drv->resume(pci_dev); - } else { - /* restore the PCI config space */ - pci_restore_state(pci_dev); - error = pci_pm_reenable_device(pci_dev); - } - return error; + return drv && drv->resume ? + drv->resume(pci_dev) : pci_pm_reenable_device(pci_dev); } /* Auxiliary functions used by the new power management framework */ -static int pci_restore_standard_config(struct pci_dev *pci_dev) -{ - struct pci_dev *parent = pci_dev->bus->self; - int error = 0; - - /* Check if the device's bus is operational */ - if (!parent || parent->current_state == PCI_D0) { - pci_restore_state(pci_dev); - pci_update_current_state(pci_dev, PCI_D0); - } else { - dev_warn(&pci_dev->dev, "unable to restore config, " - "bridge %s in low power state D%d\n", pci_name(parent), - parent->current_state); - pci_dev->current_state = PCI_UNKNOWN; - error = -EAGAIN; - } - - return error; -} - -static bool pci_is_bridge(struct pci_dev *pci_dev) -{ - return !!(pci_dev->subordinate); -} - static void pci_pm_default_resume_noirq(struct pci_dev *pci_dev) { - if (pci_restore_standard_config(pci_dev)) - pci_fixup_device(pci_fixup_resume_early, pci_dev); + pci_restore_standard_config(pci_dev); + pci_dev->state_saved = false; + pci_fixup_device(pci_fixup_resume_early, pci_dev); } -static int pci_pm_default_resume(struct pci_dev *pci_dev) +static void pci_pm_default_resume(struct pci_dev *pci_dev) { - /* - * pci_restore_standard_config() should have been called once already, - * but it would have failed if the device's parent bridge had not been - * in power state D0 at that time. Check it and try again if necessary. - */ - if (pci_dev->current_state == PCI_UNKNOWN) { - int error = pci_restore_standard_config(pci_dev); - if (error) - return error; - } - pci_fixup_device(pci_fixup_resume, pci_dev); if (!pci_is_bridge(pci_dev)) pci_enable_wake(pci_dev, PCI_D0, false); - - return pci_pm_reenable_device(pci_dev); -} - -static void pci_pm_default_suspend_generic(struct pci_dev *pci_dev) -{ - /* If device is enabled at this point, disable it */ - pci_disable_enabled_device(pci_dev); - /* - * Save state with interrupts enabled, because in principle the bus the - * device is on may be put into a low power state after this code runs. - */ - pci_save_state(pci_dev); } static void pci_pm_default_suspend(struct pci_dev *pci_dev) { - pci_pm_default_suspend_generic(pci_dev); - + /* Disable non-bridge devices without PM support */ if (!pci_is_bridge(pci_dev)) - pci_prepare_to_sleep(pci_dev); - - pci_fixup_device(pci_fixup_suspend, pci_dev); + pci_disable_enabled_device(pci_dev); + pci_save_state(pci_dev); } static bool pci_has_legacy_pm_support(struct pci_dev *pci_dev) @@ -532,21 +488,49 @@ static void pci_pm_complete(struct device *dev) static int pci_pm_suspend(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - struct device_driver *drv = dev->driver; - int error = 0; + struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend(dev, PMSG_SUSPEND); - if (drv && drv->pm && drv->pm->suspend) { - error = drv->pm->suspend(dev); - suspend_report_result(drv->pm->suspend, error); + if (!pm) { + pci_pm_default_suspend(pci_dev); + goto Fixup; } - if (!error) - pci_pm_default_suspend(pci_dev); + pci_dev->state_saved = false; - return error; + if (pm->suspend) { + pci_power_t prev = pci_dev->current_state; + int error; + + error = pm->suspend(dev); + suspend_report_result(pm->suspend, error); + if (error) + return error; + + if (pci_dev->state_saved) + goto Fixup; + + if (pci_dev->current_state != PCI_D0 + && pci_dev->current_state != PCI_UNKNOWN) { + WARN_ONCE(pci_dev->current_state != prev, + "PCI PM: State of device not saved by %pF\n", + pm->suspend); + goto Fixup; + } + } + + if (!pci_dev->state_saved) { + pci_save_state(pci_dev); + if (!pci_is_bridge(pci_dev)) + pci_prepare_to_sleep(pci_dev); + } + + Fixup: + pci_fixup_device(pci_fixup_suspend, pci_dev); + + return 0; } static int pci_pm_suspend_noirq(struct device *dev) @@ -575,11 +559,11 @@ static int pci_pm_resume_noirq(struct device *dev) struct device_driver *drv = dev->driver; int error = 0; + pci_pm_default_resume_noirq(pci_dev); + if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_resume_early(dev); - pci_pm_default_resume_noirq(pci_dev); - if (drv && drv->pm && drv->pm->resume_noirq) error = drv->pm->resume_noirq(dev); @@ -589,18 +573,29 @@ static int pci_pm_resume_noirq(struct device *dev) static int pci_pm_resume(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - struct device_driver *drv = dev->driver; + struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int error = 0; + /* + * This is necessary for the suspend error path in which resume is + * called without restoring the standard config registers of the device. + */ + if (pci_dev->state_saved) + pci_restore_standard_config(pci_dev); + if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_resume(dev); - error = pci_pm_default_resume(pci_dev); + pci_pm_default_resume(pci_dev); - if (!error && drv && drv->pm && drv->pm->resume) - error = drv->pm->resume(dev); + if (pm) { + if (pm->resume) + error = pm->resume(dev); + } else { + pci_pm_reenable_device(pci_dev); + } - return error; + return 0; } #else /* !CONFIG_SUSPEND */ @@ -617,21 +612,31 @@ static int pci_pm_resume(struct device *dev) static int pci_pm_freeze(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - struct device_driver *drv = dev->driver; - int error = 0; + struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend(dev, PMSG_FREEZE); - if (drv && drv->pm && drv->pm->freeze) { - error = drv->pm->freeze(dev); - suspend_report_result(drv->pm->freeze, error); + if (!pm) { + pci_pm_default_suspend(pci_dev); + return 0; } - if (!error) - pci_pm_default_suspend_generic(pci_dev); + pci_dev->state_saved = false; - return error; + if (pm->freeze) { + int error; + + error = pm->freeze(dev); + suspend_report_result(pm->freeze, error); + if (error) + return error; + } + + if (!pci_dev->state_saved) + pci_save_state(pci_dev); + + return 0; } static int pci_pm_freeze_noirq(struct device *dev) @@ -674,16 +679,18 @@ static int pci_pm_thaw_noirq(struct device *dev) static int pci_pm_thaw(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - struct device_driver *drv = dev->driver; + struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int error = 0; if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_resume(dev); - pci_pm_reenable_device(pci_dev); - - if (drv && drv->pm && drv->pm->thaw) - error = drv->pm->thaw(dev); + if (pm) { + if (pm->thaw) + error = pm->thaw(dev); + } else { + pci_pm_reenable_device(pci_dev); + } return error; } @@ -691,19 +698,29 @@ static int pci_pm_thaw(struct device *dev) static int pci_pm_poweroff(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - struct device_driver *drv = dev->driver; + struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int error = 0; if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_suspend(dev, PMSG_HIBERNATE); - if (drv && drv->pm && drv->pm->poweroff) { - error = drv->pm->poweroff(dev); - suspend_report_result(drv->pm->poweroff, error); + if (!pm) { + pci_pm_default_suspend(pci_dev); + goto Fixup; } - if (!error) - pci_pm_default_suspend(pci_dev); + pci_dev->state_saved = false; + + if (pm->poweroff) { + error = pm->poweroff(dev); + suspend_report_result(pm->poweroff, error); + } + + if (!pci_dev->state_saved && !pci_is_bridge(pci_dev)) + pci_prepare_to_sleep(pci_dev); + + Fixup: + pci_fixup_device(pci_fixup_suspend, pci_dev); return error; } @@ -730,11 +747,11 @@ static int pci_pm_restore_noirq(struct device *dev) struct device_driver *drv = dev->driver; int error = 0; + pci_pm_default_resume_noirq(pci_dev); + if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_resume_early(dev); - pci_pm_default_resume_noirq(pci_dev); - if (drv && drv->pm && drv->pm->restore_noirq) error = drv->pm->restore_noirq(dev); @@ -744,16 +761,27 @@ static int pci_pm_restore_noirq(struct device *dev) static int pci_pm_restore(struct device *dev) { struct pci_dev *pci_dev = to_pci_dev(dev); - struct device_driver *drv = dev->driver; + struct dev_pm_ops *pm = dev->driver ? dev->driver->pm : NULL; int error = 0; + /* + * This is necessary for the hibernation error path in which restore is + * called without restoring the standard config registers of the device. + */ + if (pci_dev->state_saved) + pci_restore_standard_config(pci_dev); + if (pci_has_legacy_pm_support(pci_dev)) return pci_legacy_resume(dev); - error = pci_pm_default_resume(pci_dev); + pci_pm_default_resume(pci_dev); - if (!error && drv && drv->pm && drv->pm->restore) - error = drv->pm->restore(dev); + if (pm) { + if (pm->restore) + error = pm->restore(dev); + } else { + pci_pm_reenable_device(pci_dev); + } return error; } diff --git a/drivers/pci/pci-sysfs.c b/drivers/pci/pci-sysfs.c index db7ec14..dfc4e0d 100644 --- a/drivers/pci/pci-sysfs.c +++ b/drivers/pci/pci-sysfs.c @@ -768,8 +768,8 @@ pci_read_rom(struct kobject *kobj, struct bin_attribute *bin_attr, return -EINVAL; rom = pci_map_rom(pdev, &size); /* size starts out as PCI window size */ - if (!rom) - return 0; + if (!rom || !size) + return -EIO; if (off >= size) count = 0; diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c index e491fde..e3efe6b 100644 --- a/drivers/pci/pci.c +++ b/drivers/pci/pci.c @@ -22,7 +22,7 @@ #include <asm/dma.h> /* isa_dma_bridge_buggy */ #include "pci.h" -unsigned int pci_pm_d3_delay = 10; +unsigned int pci_pm_d3_delay = PCI_PM_D3_WAIT; #ifdef CONFIG_PCI_DOMAINS int pci_domains_supported = 1; @@ -426,6 +426,7 @@ static inline int platform_pci_sleep_wake(struct pci_dev *dev, bool enable) * given PCI device * @dev: PCI device to handle. * @state: PCI power state (D0, D1, D2, D3hot) to put the device into. + * @wait: If 'true', wait for the device to change its power state * * RETURN VALUE: * -EINVAL if the requested state is invalid. @@ -435,7 +436,7 @@ static inline int platform_pci_sleep_wake(struct pci_dev *dev, bool enable) * 0 if device's power state has been successfully changed. */ static int -pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) +pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state, bool wait) { u16 pmcsr; bool need_restore = false; @@ -480,8 +481,10 @@ pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) break; case PCI_UNKNOWN: /* Boot-up */ if ((pmcsr & PCI_PM_CTRL_STATE_MASK) == PCI_D3hot - && !(pmcsr & PCI_PM_CTRL_NO_SOFT_RESET)) + && !(pmcsr & PCI_PM_CTRL_NO_SOFT_RESET)) { need_restore = true; + wait = true; + } /* Fall-through: force to D0 */ default: pmcsr = 0; @@ -491,12 +494,15 @@ pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) /* enter specified state */ pci_write_config_word(dev, dev->pm_cap + PCI_PM_CTRL, pmcsr); + if (!wait) + return 0; + /* Mandatory power management transition delays */ /* see PCI PM 1.1 5.6.1 table 18 */ if (state == PCI_D3hot || dev->current_state == PCI_D3hot) msleep(pci_pm_d3_delay); else if (state == PCI_D2 || dev->current_state == PCI_D2) - udelay(200); + udelay(PCI_PM_D2_DELAY); dev->current_state = state; @@ -515,7 +521,7 @@ pci_raw_set_power_state(struct pci_dev *dev, pci_power_t state) if (need_restore) pci_restore_bars(dev); - if (dev->bus->self) + if (wait && dev->bus->self) pcie_aspm_pm_state_change(dev->bus->self); return 0; @@ -585,7 +591,7 @@ int pci_set_power_state(struct pci_dev *dev, pci_power_t state) if (state == PCI_D3hot && (dev->dev_flags & PCI_DEV_FLAGS_NO_D3)) return 0; - error = pci_raw_set_power_state(dev, state); + error = pci_raw_set_power_state(dev, state, true); if (state > PCI_D0 && platform_pci_power_manageable(dev)) { /* Allow the platform to finalize the transition */ @@ -730,6 +736,7 @@ pci_save_state(struct pci_dev *dev) /* XXX: 100% dword access ok here? */ for (i = 0; i < 16; i++) pci_read_config_dword(dev, i * 4,&dev->saved_config_space[i]); + dev->state_saved = true; if ((i = pci_save_pcie_state(dev)) != 0) return i; if ((i = pci_save_pcix_state(dev)) != 0) @@ -1374,6 +1381,50 @@ void pci_allocate_cap_save_buffers(struct pci_dev *dev) } /** + * pci_restore_standard_config - restore standard config registers of PCI device + * @dev: PCI device to handle + * + * This function assumes that the device's configuration space is accessible. + * If the device needs to be powered up, the function will wait for it to + * change the state. + */ +int pci_restore_standard_config(struct pci_dev *dev) +{ + pci_power_t prev_state; + int error; + + pci_update_current_state(dev, PCI_D0); + + prev_state = dev->current_state; + if (prev_state == PCI_D0) + goto Restore; + + error = pci_raw_set_power_state(dev, PCI_D0, false); + if (error) + return error; + + /* + * This assumes that we won't get a bus in B2 or B3 from the BIOS, but + * we've made this assumption forever and it appears to be universally + * satisfied. + */ + switch(prev_state) { + case PCI_D3cold: + case PCI_D3hot: + mdelay(pci_pm_d3_delay); + break; + case PCI_D2: + udelay(PCI_PM_D2_DELAY); + break; + } + + pci_update_current_state(dev, PCI_D0); + + Restore: + return dev->state_saved ? pci_restore_state(dev) : 0; +} + +/** * pci_enable_ari - enable ARI forwarding if hardware support it * @dev: the PCI device */ diff --git a/drivers/pci/pci.h b/drivers/pci/pci.h index 1351bb4..26ddf78a 100644 --- a/drivers/pci/pci.h +++ b/drivers/pci/pci.h @@ -49,6 +49,12 @@ extern void pci_disable_enabled_device(struct pci_dev *dev); extern void pci_pm_init(struct pci_dev *dev); extern void platform_pci_wakeup_init(struct pci_dev *dev); extern void pci_allocate_cap_save_buffers(struct pci_dev *dev); +extern int pci_restore_standard_config(struct pci_dev *dev); + +static inline bool pci_is_bridge(struct pci_dev *pci_dev) +{ + return !!(pci_dev->subordinate); +} extern int pci_user_read_config_byte(struct pci_dev *dev, int where, u8 *val); extern int pci_user_read_config_word(struct pci_dev *dev, int where, u16 *val); diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 586b6f7..b0367f1 100644 --- a/drivers/pci/pcie/aspm.c +++ b/drivers/pci/pcie/aspm.c @@ -718,9 +718,9 @@ void pcie_aspm_exit_link_state(struct pci_dev *pdev) /* * All PCIe functions are in one slot, remove one function will remove - * the the whole slot, so just wait + * the whole slot, so just wait until we are the last function left. */ - if (!list_empty(&parent->subordinate->devices)) + if (!list_is_last(&pdev->bus_list, &parent->subordinate->devices)) goto out; /* All functions are removed, so just disable ASPM for the link */ diff --git a/drivers/pci/pcie/portdrv_pci.c b/drivers/pci/pcie/portdrv_pci.c index 99a914a..f9b874e 100644 --- a/drivers/pci/pcie/portdrv_pci.c +++ b/drivers/pci/pcie/portdrv_pci.c @@ -55,25 +55,13 @@ static int pcie_portdrv_suspend(struct pci_dev *dev, pm_message_t state) } -static int pcie_portdrv_suspend_late(struct pci_dev *dev, pm_message_t state) -{ - return pci_save_state(dev); -} - -static int pcie_portdrv_resume_early(struct pci_dev *dev) -{ - return pci_restore_state(dev); -} - static int pcie_portdrv_resume(struct pci_dev *dev) { - pcie_portdrv_restore_config(dev); + pci_set_master(dev); return pcie_port_device_resume(dev); } #else #define pcie_portdrv_suspend NULL -#define pcie_portdrv_suspend_late NULL -#define pcie_portdrv_resume_early NULL #define pcie_portdrv_resume NULL #endif @@ -292,8 +280,6 @@ static struct pci_driver pcie_portdriver = { .remove = pcie_portdrv_remove, .suspend = pcie_portdrv_suspend, - .suspend_late = pcie_portdrv_suspend_late, - .resume_early = pcie_portdrv_resume_early, .resume = pcie_portdrv_resume, .err_handler = &pcie_portdrv_err_handler, diff --git a/drivers/pci/rom.c b/drivers/pci/rom.c index 132a781..29cbe47 100644 --- a/drivers/pci/rom.c +++ b/drivers/pci/rom.c @@ -63,7 +63,7 @@ void pci_disable_rom(struct pci_dev *pdev) * The PCI window size could be much larger than the * actual image size. */ -size_t pci_get_rom_size(void __iomem *rom, size_t size) +size_t pci_get_rom_size(struct pci_dev *pdev, void __iomem *rom, size_t size) { void __iomem *image; int last_image; @@ -72,8 +72,10 @@ size_t pci_get_rom_size(void __iomem *rom, size_t size) do { void __iomem *pds; /* Standard PCI ROMs start out with these bytes 55 AA */ - if (readb(image) != 0x55) + if (readb(image) != 0x55) { + dev_err(&pdev->dev, "Invalid ROM contents\n"); break; + } if (readb(image + 1) != 0xAA) break; /* get the PCI data structure and check its signature */ @@ -159,7 +161,7 @@ void __iomem *pci_map_rom(struct pci_dev *pdev, size_t *size) * size is much larger than the actual size of the ROM. * True size is important if the ROM is going to be copied. */ - *size = pci_get_rom_size(rom, *size); + *size = pci_get_rom_size(pdev, rom, *size); return rom; } diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index 1a266d4..9436311 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -42,6 +42,7 @@ config ASUS_LAPTOP depends on LEDS_CLASS depends on NEW_LEDS depends on BACKLIGHT_CLASS_DEVICE + depends on INPUT ---help--- This is the new Linux driver for Asus laptops. It may also support some MEDION, JVC or VICTOR laptops. It makes all the extra buttons generate diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index 8fb8b35..56af6cf 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -46,6 +46,7 @@ #include <acpi/acpi_drivers.h> #include <acpi/acpi_bus.h> #include <asm/uaccess.h> +#include <linux/input.h> #define ASUS_LAPTOP_VERSION "0.42" @@ -181,6 +182,8 @@ struct asus_hotk { u8 light_level; //light sensor level u8 light_switch; //light sensor switch value u16 event_count[128]; //count for each event TODO make this better + struct input_dev *inputdev; + u16 *keycode_map; }; /* @@ -250,6 +253,37 @@ ASUS_LED(rled, "record"); ASUS_LED(pled, "phone"); ASUS_LED(gled, "gaming"); +struct key_entry { + char type; + u8 code; + u16 keycode; +}; + +enum { KE_KEY, KE_END }; + +static struct key_entry asus_keymap[] = { + {KE_KEY, 0x30, KEY_VOLUMEUP}, + {KE_KEY, 0x31, KEY_VOLUMEDOWN}, + {KE_KEY, 0x32, KEY_MUTE}, + {KE_KEY, 0x33, KEY_SWITCHVIDEOMODE}, + {KE_KEY, 0x34, KEY_SWITCHVIDEOMODE}, + {KE_KEY, 0x40, KEY_PREVIOUSSONG}, + {KE_KEY, 0x41, KEY_NEXTSONG}, + {KE_KEY, 0x43, KEY_STOP}, + {KE_KEY, 0x45, KEY_PLAYPAUSE}, + {KE_KEY, 0x50, KEY_EMAIL}, + {KE_KEY, 0x51, KEY_WWW}, + {KE_KEY, 0x5C, BTN_EXTRA}, /* Performance */ + {KE_KEY, 0x5D, KEY_WLAN}, + {KE_KEY, 0x61, KEY_SWITCHVIDEOMODE}, + {KE_KEY, 0x6B, BTN_TOUCH}, /* Lock Mouse */ + {KE_KEY, 0x82, KEY_CAMERA}, + {KE_KEY, 0x8A, KEY_TV}, + {KE_KEY, 0x95, KEY_MEDIA}, + {KE_KEY, 0x99, KEY_PHONE}, + {KE_END, 0}, +}; + /* * This function evaluates an ACPI method, given an int as parameter, the * method is searched within the scope of the handle, can be NULL. The output @@ -720,8 +754,68 @@ static ssize_t store_gps(struct device *dev, struct device_attribute *attr, return store_status(buf, count, NULL, GPS_ON); } +/* + * Hotkey functions + */ +static struct key_entry *asus_get_entry_by_scancode(int code) +{ + struct key_entry *key; + + for (key = asus_keymap; key->type != KE_END; key++) + if (code == key->code) + return key; + + return NULL; +} + +static struct key_entry *asus_get_entry_by_keycode(int code) +{ + struct key_entry *key; + + for (key = asus_keymap; key->type != KE_END; key++) + if (code == key->keycode && key->type == KE_KEY) + return key; + + return NULL; +} + +static int asus_getkeycode(struct input_dev *dev, int scancode, int *keycode) +{ + struct key_entry *key = asus_get_entry_by_scancode(scancode); + + if (key && key->type == KE_KEY) { + *keycode = key->keycode; + return 0; + } + + return -EINVAL; +} + +static int asus_setkeycode(struct input_dev *dev, int scancode, int keycode) +{ + struct key_entry *key; + int old_keycode; + + if (keycode < 0 || keycode > KEY_MAX) + return -EINVAL; + + key = asus_get_entry_by_scancode(scancode); + if (key && key->type == KE_KEY) { + old_keycode = key->keycode; + key->keycode = keycode; + set_bit(keycode, dev->keybit); + if (!asus_get_entry_by_keycode(old_keycode)) + clear_bit(old_keycode, dev->keybit); + return 0; + } + + return -EINVAL; +} + static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) { + static struct key_entry *key; + /* TODO Find a better way to handle events count. */ if (!hotk) return; @@ -738,10 +832,24 @@ static void asus_hotk_notify(acpi_handle handle, u32 event, void *data) lcd_blank(FB_BLANK_POWERDOWN); } - acpi_bus_generate_proc_event(hotk->device, event, - hotk->event_count[event % 128]++); - - return; + acpi_bus_generate_netlink_event(hotk->device->pnp.device_class, + dev_name(&hotk->device->dev), event, + hotk->event_count[event % 128]++); + + if (hotk->inputdev) { + key = asus_get_entry_by_scancode(event); + if (!key) + return ; + + switch (key->type) { + case KE_KEY: + input_report_key(hotk->inputdev, key->keycode, 1); + input_sync(hotk->inputdev); + input_report_key(hotk->inputdev, key->keycode, 0); + input_sync(hotk->inputdev); + break; + } + } } #define ASUS_CREATE_DEVICE_ATTR(_name) \ @@ -959,6 +1067,38 @@ static int asus_hotk_get_info(void) return AE_OK; } +static int asus_input_init(void) +{ + const struct key_entry *key; + int result; + + hotk->inputdev = input_allocate_device(); + if (!hotk->inputdev) { + printk(ASUS_INFO "Unable to allocate input device\n"); + return 0; + } + hotk->inputdev->name = "Asus Laptop extra buttons"; + hotk->inputdev->phys = ASUS_HOTK_FILE "/input0"; + hotk->inputdev->id.bustype = BUS_HOST; + hotk->inputdev->getkeycode = asus_getkeycode; + hotk->inputdev->setkeycode = asus_setkeycode; + + for (key = asus_keymap; key->type != KE_END; key++) { + switch (key->type) { + case KE_KEY: + set_bit(EV_KEY, hotk->inputdev->evbit); + set_bit(key->keycode, hotk->inputdev->keybit); + break; + } + } + result = input_register_device(hotk->inputdev); + if (result) { + printk(ASUS_INFO "Unable to register input device\n"); + input_free_device(hotk->inputdev); + } + return result; +} + static int asus_hotk_check(void) { int result = 0; @@ -1044,7 +1184,7 @@ static int asus_hotk_add(struct acpi_device *device) /* GPS is on by default */ write_status(NULL, 1, GPS_ON); - end: +end: if (result) { kfree(hotk->name); kfree(hotk); @@ -1091,10 +1231,17 @@ static void asus_led_exit(void) ASUS_LED_UNREGISTER(gled); } +static void asus_input_exit(void) +{ + if (hotk->inputdev) + input_unregister_device(hotk->inputdev); +} + static void __exit asus_laptop_exit(void) { asus_backlight_exit(); asus_led_exit(); + asus_input_exit(); acpi_bus_unregister_driver(&asus_hotk_driver); sysfs_remove_group(&asuspf_device->dev.kobj, &asuspf_attribute_group); @@ -1216,6 +1363,10 @@ static int __init asus_laptop_init(void) printk(ASUS_INFO "Brightness ignored, must be controlled by " "ACPI video driver\n"); + result = asus_input_init(); + if (result) + goto fail_input; + result = asus_led_init(dev); if (result) goto fail_led; @@ -1242,22 +1393,25 @@ static int __init asus_laptop_init(void) return 0; - fail_sysfs: +fail_sysfs: platform_device_del(asuspf_device); - fail_platform_device2: +fail_platform_device2: platform_device_put(asuspf_device); - fail_platform_device1: +fail_platform_device1: platform_driver_unregister(&asuspf_driver); - fail_platform_driver: +fail_platform_driver: asus_led_exit(); - fail_led: +fail_led: + asus_input_exit(); + +fail_input: asus_backlight_exit(); - fail_backlight: +fail_backlight: return result; } diff --git a/drivers/platform/x86/asus_acpi.c b/drivers/platform/x86/asus_acpi.c index 1e74988..d63f26e 100644 --- a/drivers/platform/x86/asus_acpi.c +++ b/drivers/platform/x86/asus_acpi.c @@ -143,6 +143,7 @@ struct asus_hotk { S1300N, S5200N*/ A4S, /* Z81sp */ F3Sa, /* (Centrino) */ + R1F, END_MODEL } model; /* Models currently supported */ u16 event_count[128]; /* Count for each event TODO make this better */ @@ -420,7 +421,18 @@ static struct model_data model_conf[END_MODEL] = { .display_get = "\\ADVG", .display_set = "SDSP", }, - + { + .name = "R1F", + .mt_bt_switch = "BLED", + .mt_mled = "MLED", + .mt_wled = "WLED", + .mt_lcd_switch = "\\Q10", + .lcd_status = "\\GP06", + .brightness_set = "SPLV", + .brightness_get = "GPLV", + .display_set = "SDSP", + .display_get = "\\INFB" + } }; /* procdir we use */ @@ -1165,6 +1177,8 @@ static int asus_model_match(char *model) return W3V; else if (strncmp(model, "W5A", 3) == 0) return W5A; + else if (strncmp(model, "R1F", 3) == 0) + return R1F; else if (strncmp(model, "A4S", 3) == 0) return A4S; else if (strncmp(model, "F3Sa", 4) == 0) diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 9d93cb9..786ed86 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -30,6 +30,7 @@ #include <linux/uaccess.h> #include <linux/input.h> #include <linux/rfkill.h> +#include <linux/pci.h> #define EEEPC_LAPTOP_VERSION "0.1" @@ -161,6 +162,10 @@ static struct key_entry eeepc_keymap[] = { {KE_KEY, 0x13, KEY_MUTE }, {KE_KEY, 0x14, KEY_VOLUMEDOWN }, {KE_KEY, 0x15, KEY_VOLUMEUP }, + {KE_KEY, 0x1a, KEY_COFFEE }, + {KE_KEY, 0x1b, KEY_ZOOM }, + {KE_KEY, 0x1c, KEY_PROG2 }, + {KE_KEY, 0x1d, KEY_PROG3 }, {KE_KEY, 0x30, KEY_SWITCHVIDEOMODE }, {KE_KEY, 0x31, KEY_SWITCHVIDEOMODE }, {KE_KEY, 0x32, KEY_SWITCHVIDEOMODE }, @@ -510,7 +515,43 @@ static int eeepc_hotk_check(void) static void notify_brn(void) { struct backlight_device *bd = eeepc_backlight_device; - bd->props.brightness = read_brightness(bd); + if (bd) + bd->props.brightness = read_brightness(bd); +} + +static void eeepc_rfkill_notify(acpi_handle handle, u32 event, void *data) +{ + struct pci_dev *dev; + struct pci_bus *bus = pci_find_bus(0, 1); + + if (event != ACPI_NOTIFY_BUS_CHECK) + return; + + if (!bus) { + printk(EEEPC_WARNING "Unable to find PCI bus 1?\n"); + return; + } + + if (get_acpi(CM_ASL_WLAN) == 1) { + dev = pci_get_slot(bus, 0); + if (dev) { + /* Device already present */ + pci_dev_put(dev); + return; + } + dev = pci_scan_single_device(bus, 0); + if (dev) { + pci_bus_assign_resources(bus); + if (pci_bus_add_device(dev)) + printk(EEEPC_ERR "Unable to hotplug wifi\n"); + } + } else { + dev = pci_get_slot(bus, 0); + if (dev) { + pci_remove_bus_device(dev); + pci_dev_put(dev); + } + } } static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data) @@ -520,8 +561,9 @@ static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data) return; if (event >= NOTIFY_BRN_MIN && event <= NOTIFY_BRN_MAX) notify_brn(); - acpi_bus_generate_proc_event(ehotk->device, event, - ehotk->event_count[event % 128]++); + acpi_bus_generate_netlink_event(ehotk->device->pnp.device_class, + dev_name(&ehotk->device->dev), event, + ehotk->event_count[event % 128]++); if (ehotk->inputdev) { key = eepc_get_entry_by_scancode(event); if (key) { @@ -539,6 +581,45 @@ static void eeepc_hotk_notify(acpi_handle handle, u32 event, void *data) } } +static int eeepc_register_rfkill_notifier(char *node) +{ + acpi_status status = AE_OK; + acpi_handle handle; + + status = acpi_get_handle(NULL, node, &handle); + + if (ACPI_SUCCESS(status)) { + status = acpi_install_notify_handler(handle, + ACPI_SYSTEM_NOTIFY, + eeepc_rfkill_notify, + NULL); + if (ACPI_FAILURE(status)) + printk(EEEPC_WARNING + "Failed to register notify on %s\n", node); + } else + return -ENODEV; + + return 0; +} + +static void eeepc_unregister_rfkill_notifier(char *node) +{ + acpi_status status = AE_OK; + acpi_handle handle; + + status = acpi_get_handle(NULL, node, &handle); + + if (ACPI_SUCCESS(status)) { + status = acpi_remove_notify_handler(handle, + ACPI_SYSTEM_NOTIFY, + eeepc_rfkill_notify); + if (ACPI_FAILURE(status)) + printk(EEEPC_ERR + "Error removing rfkill notify handler %s\n", + node); + } +} + static int eeepc_hotk_add(struct acpi_device *device) { acpi_status status = AE_OK; @@ -558,7 +639,7 @@ static int eeepc_hotk_add(struct acpi_device *device) ehotk->device = device; result = eeepc_hotk_check(); if (result) - goto end; + goto ehotk_fail; status = acpi_install_notify_handler(ehotk->handle, ACPI_SYSTEM_NOTIFY, eeepc_hotk_notify, ehotk); if (ACPI_FAILURE(status)) @@ -569,18 +650,25 @@ static int eeepc_hotk_add(struct acpi_device *device) RFKILL_TYPE_WLAN); if (!ehotk->eeepc_wlan_rfkill) - goto end; + goto wlan_fail; ehotk->eeepc_wlan_rfkill->name = "eeepc-wlan"; ehotk->eeepc_wlan_rfkill->toggle_radio = eeepc_wlan_rfkill_set; ehotk->eeepc_wlan_rfkill->get_state = eeepc_wlan_rfkill_state; - if (get_acpi(CM_ASL_WLAN) == 1) + if (get_acpi(CM_ASL_WLAN) == 1) { ehotk->eeepc_wlan_rfkill->state = RFKILL_STATE_UNBLOCKED; - else + rfkill_set_default(RFKILL_TYPE_WLAN, + RFKILL_STATE_UNBLOCKED); + } else { ehotk->eeepc_wlan_rfkill->state = RFKILL_STATE_SOFT_BLOCKED; - rfkill_register(ehotk->eeepc_wlan_rfkill); + rfkill_set_default(RFKILL_TYPE_WLAN, + RFKILL_STATE_SOFT_BLOCKED); + } + result = rfkill_register(ehotk->eeepc_wlan_rfkill); + if (result) + goto wlan_fail; } if (get_acpi(CM_ASL_BLUETOOTH) != -1) { @@ -588,27 +676,47 @@ static int eeepc_hotk_add(struct acpi_device *device) rfkill_allocate(&device->dev, RFKILL_TYPE_BLUETOOTH); if (!ehotk->eeepc_bluetooth_rfkill) - goto end; + goto bluetooth_fail; ehotk->eeepc_bluetooth_rfkill->name = "eeepc-bluetooth"; ehotk->eeepc_bluetooth_rfkill->toggle_radio = eeepc_bluetooth_rfkill_set; ehotk->eeepc_bluetooth_rfkill->get_state = eeepc_bluetooth_rfkill_state; - if (get_acpi(CM_ASL_BLUETOOTH) == 1) + if (get_acpi(CM_ASL_BLUETOOTH) == 1) { ehotk->eeepc_bluetooth_rfkill->state = RFKILL_STATE_UNBLOCKED; - else + rfkill_set_default(RFKILL_TYPE_BLUETOOTH, + RFKILL_STATE_UNBLOCKED); + } else { ehotk->eeepc_bluetooth_rfkill->state = RFKILL_STATE_SOFT_BLOCKED; - rfkill_register(ehotk->eeepc_bluetooth_rfkill); - } + rfkill_set_default(RFKILL_TYPE_BLUETOOTH, + RFKILL_STATE_SOFT_BLOCKED); + } - end: - if (result) { - kfree(ehotk); - ehotk = NULL; + result = rfkill_register(ehotk->eeepc_bluetooth_rfkill); + if (result) + goto bluetooth_fail; } + + eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P6"); + eeepc_register_rfkill_notifier("\\_SB.PCI0.P0P7"); + + return 0; + + bluetooth_fail: + if (ehotk->eeepc_bluetooth_rfkill) + rfkill_free(ehotk->eeepc_bluetooth_rfkill); + rfkill_unregister(ehotk->eeepc_wlan_rfkill); + ehotk->eeepc_wlan_rfkill = NULL; + wlan_fail: + if (ehotk->eeepc_wlan_rfkill) + rfkill_free(ehotk->eeepc_wlan_rfkill); + ehotk_fail: + kfree(ehotk); + ehotk = NULL; + return result; } @@ -622,6 +730,10 @@ static int eeepc_hotk_remove(struct acpi_device *device, int type) eeepc_hotk_notify); if (ACPI_FAILURE(status)) printk(EEEPC_ERR "Error removing notify handler\n"); + + eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P6"); + eeepc_unregister_rfkill_notifier("\\_SB.PCI0.P0P7"); + kfree(ehotk); return 0; } @@ -737,13 +849,21 @@ static void eeepc_backlight_exit(void) { if (eeepc_backlight_device) backlight_device_unregister(eeepc_backlight_device); - if (ehotk->inputdev) - input_unregister_device(ehotk->inputdev); + eeepc_backlight_device = NULL; +} + +static void eeepc_rfkill_exit(void) +{ if (ehotk->eeepc_wlan_rfkill) rfkill_unregister(ehotk->eeepc_wlan_rfkill); if (ehotk->eeepc_bluetooth_rfkill) rfkill_unregister(ehotk->eeepc_bluetooth_rfkill); - eeepc_backlight_device = NULL; +} + +static void eeepc_input_exit(void) +{ + if (ehotk->inputdev) + input_unregister_device(ehotk->inputdev); } static void eeepc_hwmon_exit(void) @@ -762,6 +882,8 @@ static void eeepc_hwmon_exit(void) static void __exit eeepc_laptop_exit(void) { eeepc_backlight_exit(); + eeepc_rfkill_exit(); + eeepc_input_exit(); eeepc_hwmon_exit(); acpi_bus_unregister_driver(&eeepc_hotk_driver); sysfs_remove_group(&platform_device->dev.kobj, @@ -865,6 +987,8 @@ fail_platform_driver: fail_hwmon: eeepc_backlight_exit(); fail_backlight: + eeepc_input_exit(); + eeepc_rfkill_exit(); return result; } diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c index 7c789f0..f41135f 100644 --- a/drivers/platform/x86/hp-wmi.c +++ b/drivers/platform/x86/hp-wmi.c @@ -382,6 +382,11 @@ static int __init hp_wmi_input_setup(void) case KE_SW: set_bit(EV_SW, hp_wmi_input_dev->evbit); set_bit(key->keycode, hp_wmi_input_dev->swbit); + + /* Set initial dock state */ + input_report_switch(hp_wmi_input_dev, key->keycode, + hp_wmi_dock_state()); + input_sync(hp_wmi_input_dev); break; } } @@ -441,6 +446,7 @@ static int __init hp_wmi_bios_setup(struct platform_device *device) bluetooth_rfkill->toggle_radio = hp_wmi_bluetooth_set; bluetooth_rfkill->user_claim_unsupported = 1; err = rfkill_register(bluetooth_rfkill); + if (err) goto register_bluetooth_error; } @@ -457,9 +463,11 @@ static int __init hp_wmi_bios_setup(struct platform_device *device) return 0; register_wwan_err: - rfkill_unregister(bluetooth_rfkill); + if (bluetooth_rfkill) + rfkill_unregister(bluetooth_rfkill); register_bluetooth_error: - rfkill_unregister(wifi_rfkill); + if (wifi_rfkill) + rfkill_unregister(wifi_rfkill); add_sysfs_error: cleanup_sysfs(device); return err; diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index f30db36..c47a44d 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -507,7 +507,7 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc) hkey_num = result & 0xf; - if (hkey_num < 0 || hkey_num > ARRAY_SIZE(pcc->keymap)) { + if (hkey_num < 0 || hkey_num >= ARRAY_SIZE(pcc->keymap)) { ACPI_DEBUG_PRINT((ACPI_DB_ERROR, "hotkey number out of range: %d\n", hkey_num)); diff --git a/drivers/power/pda_power.c b/drivers/power/pda_power.c index d30bb76..b56a704 100644 --- a/drivers/power/pda_power.c +++ b/drivers/power/pda_power.c @@ -20,7 +20,7 @@ static inline unsigned int get_irq_flags(struct resource *res) { - unsigned int flags = IRQF_DISABLED | IRQF_SHARED; + unsigned int flags = IRQF_SAMPLE_RANDOM | IRQF_SHARED; flags |= res->flags & IRQF_TRIGGER_MASK; diff --git a/drivers/regulator/bq24022.c b/drivers/regulator/bq24022.c index 366565a..c175e38 100644 --- a/drivers/regulator/bq24022.c +++ b/drivers/regulator/bq24022.c @@ -152,11 +152,7 @@ static void __exit bq24022_exit(void) platform_driver_unregister(&bq24022_driver); } -/* - * make sure this is probed before gpio_vbus and pda_power, - * but after asic3 or other GPIO expander drivers. - */ -subsys_initcall(bq24022_init); +module_init(bq24022_init); module_exit(bq24022_exit); MODULE_AUTHOR("Philipp Zabel"); diff --git a/drivers/regulator/wm8350-regulator.c b/drivers/regulator/wm8350-regulator.c index 7aa3524..5056e23 100644 --- a/drivers/regulator/wm8350-regulator.c +++ b/drivers/regulator/wm8350-regulator.c @@ -1435,7 +1435,7 @@ int wm8350_register_led(struct wm8350 *wm8350, int lednum, int dcdc, int isink, struct platform_device *pdev; int ret; - if (lednum > ARRAY_SIZE(wm8350->pmic.led) || lednum < 0) { + if (lednum >= ARRAY_SIZE(wm8350->pmic.led) || lednum < 0) { dev_err(wm8350->dev, "Invalid LED index %d\n", lednum); return -ENODEV; } diff --git a/drivers/regulator/wm8400-regulator.c b/drivers/regulator/wm8400-regulator.c index 48b372e..56e23d4 100644 --- a/drivers/regulator/wm8400-regulator.c +++ b/drivers/regulator/wm8400-regulator.c @@ -289,7 +289,7 @@ static struct regulator_desc regulators[] = { }, }; -static int __init wm8400_regulator_probe(struct platform_device *pdev) +static int __devinit wm8400_regulator_probe(struct platform_device *pdev) { struct regulator_dev *rdev; diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig index cced4d1..81450fb 100644 --- a/drivers/rtc/Kconfig +++ b/drivers/rtc/Kconfig @@ -241,6 +241,12 @@ config RTC_DRV_M41T80_WDT If you say Y here you will get support for the watchdog timer in the ST M41T60 and M41T80 RTC chips series. +config RTC_DRV_DM355EVM + tristate "TI DaVinci DM355 EVM RTC" + depends on MFD_DM355EVM_MSP + help + Supports the RTC firmware in the MSP430 on the DM355 EVM. + config RTC_DRV_TWL92330 boolean "TI TWL92330/Menelaus" depends on MENELAUS diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile index 6e28021..0e697aa 100644 --- a/drivers/rtc/Makefile +++ b/drivers/rtc/Makefile @@ -23,6 +23,7 @@ obj-$(CONFIG_RTC_DRV_AT91SAM9) += rtc-at91sam9.o obj-$(CONFIG_RTC_DRV_AU1XXX) += rtc-au1xxx.o obj-$(CONFIG_RTC_DRV_BFIN) += rtc-bfin.o obj-$(CONFIG_RTC_DRV_CMOS) += rtc-cmos.o +obj-$(CONFIG_RTC_DRV_DM355EVM) += rtc-dm355evm.o obj-$(CONFIG_RTC_DRV_DS1216) += rtc-ds1216.o obj-$(CONFIG_RTC_DRV_DS1286) += rtc-ds1286.o obj-$(CONFIG_RTC_DRV_DS1302) += rtc-ds1302.o diff --git a/drivers/rtc/rtc-dm355evm.c b/drivers/rtc/rtc-dm355evm.c new file mode 100644 index 0000000..58d4e18 --- /dev/null +++ b/drivers/rtc/rtc-dm355evm.c @@ -0,0 +1,175 @@ +/* + * rtc-dm355evm.c - access battery-backed counter in MSP430 firmware + * + * Copyright (c) 2008 by David Brownell + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/rtc.h> +#include <linux/platform_device.h> + +#include <linux/i2c/dm355evm_msp.h> + + +/* + * The MSP430 firmware on the DM355 EVM uses a watch crystal to feed + * a 1 Hz counter. When a backup battery is supplied, that makes a + * reasonable RTC for applications where alarms and non-NTP drift + * compensation aren't important. + * + * The only real glitch is the inability to read or write all four + * counter bytes atomically: the count may increment in the middle + * of an operation, causing trouble when the LSB rolls over. + * + * This driver was tested with firmware revision A4. + */ +union evm_time { + u8 bytes[4]; + u32 value; +}; + +static int dm355evm_rtc_read_time(struct device *dev, struct rtc_time *tm) +{ + union evm_time time; + int status; + int tries = 0; + + do { + /* + * Read LSB(0) to MSB(3) bytes. Defend against the counter + * rolling over by re-reading until the value is stable, + * and assuming the four reads take at most a few seconds. + */ + status = dm355evm_msp_read(DM355EVM_MSP_RTC_0); + if (status < 0) + return status; + if (tries && time.bytes[0] == status) + break; + time.bytes[0] = status; + + status = dm355evm_msp_read(DM355EVM_MSP_RTC_1); + if (status < 0) + return status; + if (tries && time.bytes[1] == status) + break; + time.bytes[1] = status; + + status = dm355evm_msp_read(DM355EVM_MSP_RTC_2); + if (status < 0) + return status; + if (tries && time.bytes[2] == status) + break; + time.bytes[2] = status; + + status = dm355evm_msp_read(DM355EVM_MSP_RTC_3); + if (status < 0) + return status; + if (tries && time.bytes[3] == status) + break; + time.bytes[3] = status; + + } while (++tries < 5); + + dev_dbg(dev, "read timestamp %08x\n", time.value); + + rtc_time_to_tm(le32_to_cpu(time.value), tm); + return 0; +} + +static int dm355evm_rtc_set_time(struct device *dev, struct rtc_time *tm) +{ + union evm_time time; + unsigned long value; + int status; + + rtc_tm_to_time(tm, &value); + time.value = cpu_to_le32(value); + + dev_dbg(dev, "write timestamp %08x\n", time.value); + + /* + * REVISIT handle non-atomic writes ... maybe just retry until + * byte[1] sticks (no rollover)? + */ + status = dm355evm_msp_write(time.bytes[0], DM355EVM_MSP_RTC_0); + if (status < 0) + return status; + + status = dm355evm_msp_write(time.bytes[1], DM355EVM_MSP_RTC_1); + if (status < 0) + return status; + + status = dm355evm_msp_write(time.bytes[2], DM355EVM_MSP_RTC_2); + if (status < 0) + return status; + + status = dm355evm_msp_write(time.bytes[3], DM355EVM_MSP_RTC_3); + if (status < 0) + return status; + + return 0; +} + +static struct rtc_class_ops dm355evm_rtc_ops = { + .read_time = dm355evm_rtc_read_time, + .set_time = dm355evm_rtc_set_time, +}; + +/*----------------------------------------------------------------------*/ + +static int __devinit dm355evm_rtc_probe(struct platform_device *pdev) +{ + struct rtc_device *rtc; + + rtc = rtc_device_register(pdev->name, + &pdev->dev, &dm355evm_rtc_ops, THIS_MODULE); + if (IS_ERR(rtc)) { + dev_err(&pdev->dev, "can't register RTC device, err %ld\n", + PTR_ERR(rtc)); + return PTR_ERR(rtc); + } + platform_set_drvdata(pdev, rtc); + + return 0; +} + +static int __devexit dm355evm_rtc_remove(struct platform_device *pdev) +{ + struct rtc_device *rtc = platform_get_drvdata(pdev); + + rtc_device_unregister(rtc); + platform_set_drvdata(pdev, NULL); + return 0; +} + +/* + * I2C is used to talk to the MSP430, but this platform device is + * exposed by an MFD driver that manages I2C communications. + */ +static struct platform_driver rtc_dm355evm_driver = { + .probe = dm355evm_rtc_probe, + .remove = __devexit_p(dm355evm_rtc_remove), + .driver = { + .owner = THIS_MODULE, + .name = "rtc-dm355evm", + }, +}; + +static int __init dm355evm_rtc_init(void) +{ + return platform_driver_register(&rtc_dm355evm_driver); +} +module_init(dm355evm_rtc_init); + +static void __exit dm355evm_rtc_exit(void) +{ + platform_driver_unregister(&rtc_dm355evm_driver); +} +module_exit(dm355evm_rtc_exit); + +MODULE_LICENSE("GPL"); diff --git a/drivers/rtc/rtc-ds1390.c b/drivers/rtc/rtc-ds1390.c index e54b5c6..e01b955 100644 --- a/drivers/rtc/rtc-ds1390.c +++ b/drivers/rtc/rtc-ds1390.c @@ -122,7 +122,6 @@ static const struct rtc_class_ops ds1390_rtc_ops = { static int __devinit ds1390_probe(struct spi_device *spi) { - struct rtc_device *rtc; unsigned char tmp; struct ds1390 *chip; int res; diff --git a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c index acca667..49c3bfa 100644 --- a/drivers/s390/net/lcs.c +++ b/drivers/s390/net/lcs.c @@ -70,7 +70,9 @@ static char debug_buffer[255]; static void lcs_tasklet(unsigned long); static void lcs_start_kernel_thread(struct work_struct *); static void lcs_get_frames_cb(struct lcs_channel *, struct lcs_buffer *); +#ifdef CONFIG_IP_MULTICAST static int lcs_send_delipm(struct lcs_card *, struct lcs_ipm_list *); +#endif /* CONFIG_IP_MULTICAST */ static int lcs_recovery(void *ptr); /** @@ -1285,6 +1287,8 @@ out: lcs_clear_thread_running_bit(card, LCS_SET_MC_THREAD); return 0; } +#endif /* CONFIG_IP_MULTICAST */ + /** * function called by net device to * handle multicast address relevant things @@ -1292,6 +1296,7 @@ out: static void lcs_set_multicast_list(struct net_device *dev) { +#ifdef CONFIG_IP_MULTICAST struct lcs_card *card; LCS_DBF_TEXT(4, trace, "setmulti"); @@ -1299,9 +1304,8 @@ lcs_set_multicast_list(struct net_device *dev) if (!lcs_set_thread_start_bit(card, LCS_SET_MC_THREAD)) schedule_work(&card->kernel_thread_starter); -} - #endif /* CONFIG_IP_MULTICAST */ +} static long lcs_check_irb_error(struct ccw_device *cdev, struct irb *irb) diff --git a/drivers/scsi/ibmvscsi/ibmvfc.c b/drivers/scsi/ibmvscsi/ibmvfc.c index 91ef669d..a1a511b 100644 --- a/drivers/scsi/ibmvscsi/ibmvfc.c +++ b/drivers/scsi/ibmvscsi/ibmvfc.c @@ -1322,7 +1322,9 @@ static int ibmvfc_map_sg_data(struct scsi_cmnd *scmd, &evt->ext_list_token); if (!evt->ext_list) { - scmd_printk(KERN_ERR, scmd, "Can't allocate memory for scatterlist\n"); + scsi_dma_unmap(scmd); + if (vhost->log_level > IBMVFC_DEFAULT_LOG_LEVEL) + scmd_printk(KERN_ERR, scmd, "Can't allocate memory for scatterlist\n"); return -ENOMEM; } } diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c index 7225b6e..257c241 100644 --- a/drivers/scsi/libiscsi.c +++ b/drivers/scsi/libiscsi.c @@ -1981,6 +1981,7 @@ void iscsi_pool_free(struct iscsi_pool *q) kfree(q->pool[i]); if (q->pool) kfree(q->pool); + kfree(q->queue); } EXPORT_SYMBOL_GPL(iscsi_pool_free); diff --git a/drivers/scsi/qla2xxx/qla_attr.c b/drivers/scsi/qla2xxx/qla_attr.c index c7acef5..33a3c13 100644 --- a/drivers/scsi/qla2xxx/qla_attr.c +++ b/drivers/scsi/qla2xxx/qla_attr.c @@ -1016,6 +1016,9 @@ qla2x00_dev_loss_tmo_callbk(struct fc_rport *rport) struct Scsi_Host *host = rport_to_shost(rport); fc_port_t *fcport = *(fc_port_t **)rport->dd_data; + if (!fcport) + return; + qla2x00_abort_fcport_cmds(fcport); /* @@ -1033,6 +1036,9 @@ qla2x00_terminate_rport_io(struct fc_rport *rport) { fc_port_t *fcport = *(fc_port_t **)rport->dd_data; + if (!fcport) + return; + /* * At this point all fcport's software-states are cleared. Perform any * final cleanup of firmware resources (PCBs and XCBs). diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index ba49133..a336b4b 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -34,6 +34,7 @@ extern void qla24xx_update_fw_options(scsi_qla_host_t *); extern void qla81xx_update_fw_options(scsi_qla_host_t *); extern int qla2x00_load_risc(struct scsi_qla_host *, uint32_t *); extern int qla24xx_load_risc(scsi_qla_host_t *, uint32_t *); +extern int qla81xx_load_risc(scsi_qla_host_t *, uint32_t *); extern int qla2x00_loop_resync(scsi_qla_host_t *); diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 9ad4d09..f6368a1 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -3562,6 +3562,9 @@ qla24xx_reset_adapter(scsi_qla_host_t *vha) WRT_REG_DWORD(®->hccr, HCCRX_REL_RISC_PAUSE); RD_REG_DWORD(®->hccr); spin_unlock_irqrestore(&ha->hardware_lock, flags); + + if (IS_NOPOLLING_TYPE(ha)) + ha->isp_ops->enable_intrs(ha); } /* On sparc systems, obtain port and node WWN from firmware @@ -3847,6 +3850,10 @@ qla24xx_load_risc_flash(scsi_qla_host_t *vha, uint32_t *srisc_addr) uint32_t i; struct qla_hw_data *ha = vha->hw; struct req_que *req = ha->req_q_map[0]; + + qla_printk(KERN_INFO, ha, + "FW: Loading from flash (%x)...\n", ha->flt_region_fw); + rval = QLA_SUCCESS; segments = FA_RISC_CODE_SEGMENTS; @@ -4022,8 +4029,8 @@ fail_fw_integrity: return QLA_FUNCTION_FAILED; } -int -qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) +static int +qla24xx_load_risc_blob(scsi_qla_host_t *vha, uint32_t *srisc_addr) { int rval; int segments, fragment; @@ -4043,12 +4050,12 @@ qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) qla_printk(KERN_ERR, ha, "Firmware images can be retrieved " "from: " QLA_FW_URL ".\n"); - /* Try to load RISC code from flash. */ - qla_printk(KERN_ERR, ha, "Attempting to load (potentially " - "outdated) firmware from flash.\n"); - return qla24xx_load_risc_flash(vha, srisc_addr); + return QLA_FUNCTION_FAILED; } + qla_printk(KERN_INFO, ha, + "FW: Loading via request-firmware...\n"); + rval = QLA_SUCCESS; segments = FA_RISC_CODE_SEGMENTS; @@ -4133,6 +4140,40 @@ fail_fw_integrity: return QLA_FUNCTION_FAILED; } +int +qla24xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) +{ + int rval; + + /* + * FW Load priority: + * 1) Firmware via request-firmware interface (.bin file). + * 2) Firmware residing in flash. + */ + rval = qla24xx_load_risc_blob(vha, srisc_addr); + if (rval == QLA_SUCCESS) + return rval; + + return qla24xx_load_risc_flash(vha, srisc_addr); +} + +int +qla81xx_load_risc(scsi_qla_host_t *vha, uint32_t *srisc_addr) +{ + int rval; + + /* + * FW Load priority: + * 1) Firmware residing in flash. + * 2) Firmware via request-firmware interface (.bin file). + */ + rval = qla24xx_load_risc_flash(vha, srisc_addr); + if (rval == QLA_SUCCESS) + return rval; + + return qla24xx_load_risc_blob(vha, srisc_addr); +} + void qla2x00_try_to_stop_firmware(scsi_qla_host_t *vha) { diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c index 789fc57..e28ad81 100644 --- a/drivers/scsi/qla2xxx/qla_isr.c +++ b/drivers/scsi/qla2xxx/qla_isr.c @@ -1868,6 +1868,7 @@ qla24xx_disable_msix(struct qla_hw_data *ha) static int qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) { +#define MIN_MSIX_COUNT 2 int i, ret; struct msix_entry *entries; struct qla_msix_entry *qentry; @@ -1883,12 +1884,16 @@ qla24xx_enable_msix(struct qla_hw_data *ha, struct rsp_que *rsp) ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); if (ret) { + if (ret < MIN_MSIX_COUNT) + goto msix_failed; + qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable support -- %d/%d\n" " Retry with %d vectors\n", ha->msix_count, ret, ret); ha->msix_count = ret; ret = pci_enable_msix(ha->pdev, entries, ha->msix_count); if (ret) { +msix_failed: qla_printk(KERN_WARNING, ha, "MSI-X: Failed to enable" " support, giving up -- %d/%d\n", ha->msix_count, ret); diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c index db4df45..f94ffbb 100644 --- a/drivers/scsi/qla2xxx/qla_mbx.c +++ b/drivers/scsi/qla2xxx/qla_mbx.c @@ -58,14 +58,11 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) * seconds. This is to serialize actual issuing of mailbox cmds during * non ISP abort time. */ - if (!abort_active) { - if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, - mcp->tov * HZ)) { - /* Timeout occurred. Return error. */ - DEBUG2_3_11(printk("%s(%ld): cmd access timeout. " - "Exiting.\n", __func__, base_vha->host_no)); - return QLA_FUNCTION_TIMEOUT; - } + if (!wait_for_completion_timeout(&ha->mbx_cmd_comp, mcp->tov * HZ)) { + /* Timeout occurred. Return error. */ + DEBUG2_3_11(printk("%s(%ld): cmd access timeout. " + "Exiting.\n", __func__, base_vha->host_no)); + return QLA_FUNCTION_TIMEOUT; } ha->flags.mbox_busy = 1; @@ -265,8 +262,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp) } /* Allow next mbx cmd to come in. */ - if (!abort_active) - complete(&ha->mbx_cmd_comp); + complete(&ha->mbx_cmd_comp); if (rval) { DEBUG2_3_11(printk("%s(%ld): **** FAILED. mbx0=%x, mbx1=%x, " diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index cf32653..c11f872 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -65,8 +65,6 @@ MODULE_PARM_DESC(ql2xextended_error_logging, static void qla2x00_free_device(scsi_qla_host_t *); -static void qla2x00_config_dma_addressing(scsi_qla_host_t *ha); - int ql2xfdmienable=1; module_param(ql2xfdmienable, int, S_IRUGO|S_IRUSR); MODULE_PARM_DESC(ql2xfdmienable, @@ -800,6 +798,7 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd) if (ha->isp_ops->abort_command(vha, sp, req)) { DEBUG2(printk("%s(%ld): abort_command " "mbx failed.\n", __func__, vha->host_no)); + ret = FAILED; } else { DEBUG3(printk("%s(%ld): abort_command " "mbx success.\n", __func__, vha->host_no)); @@ -1241,9 +1240,8 @@ qla2x00_change_queue_type(struct scsi_device *sdev, int tag_type) * supported addressing method. */ static void -qla2x00_config_dma_addressing(scsi_qla_host_t *vha) +qla2x00_config_dma_addressing(struct qla_hw_data *ha) { - struct qla_hw_data *ha = vha->hw; /* Assume a 32bit DMA mask. */ ha->flags.enable_64bit_addressing = 0; @@ -1480,7 +1478,7 @@ static struct isp_operations qla81xx_isp_ops = { .reset_adapter = qla24xx_reset_adapter, .nvram_config = qla81xx_nvram_config, .update_fw_options = qla81xx_update_fw_options, - .load_risc = qla24xx_load_risc, + .load_risc = qla81xx_load_risc, .pci_info_str = qla24xx_pci_info_str, .fw_version_str = qla24xx_fw_version_str, .intr_handler = qla24xx_intr_handler, @@ -1869,6 +1867,7 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) set_bit(0, (unsigned long *) ha->vp_idx_map); + qla2x00_config_dma_addressing(ha); ret = qla2x00_mem_alloc(ha, req_length, rsp_length, &req, &rsp); if (!ret) { qla_printk(KERN_WARNING, ha, @@ -1888,13 +1887,13 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) "[ERROR] Failed to allocate memory for scsi_host\n"); ret = -ENOMEM; + qla2x00_mem_free(ha); + qla2x00_free_que(ha, req, rsp); goto probe_hw_failed; } pci_set_drvdata(pdev, base_vha); - qla2x00_config_dma_addressing(base_vha); - host = base_vha->host; base_vha->req_ques[0] = req->id; host->can_queue = req->length + 128; @@ -1917,14 +1916,13 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) /* Set up the irqs */ ret = qla2x00_request_irqs(ha, rsp); if (ret) - goto probe_failed; - + goto probe_init_failed; /* Alloc arrays of request and response ring ptrs */ if (!qla2x00_alloc_queues(ha)) { qla_printk(KERN_WARNING, ha, "[ERROR] Failed to allocate memory for queue" " pointers\n"); - goto probe_failed; + goto probe_init_failed; } ha->rsp_q_map[0] = rsp; ha->req_q_map[0] = req; @@ -1997,6 +1995,10 @@ qla2x00_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) return 0; +probe_init_failed: + qla2x00_free_que(ha, req, rsp); + ha->max_queues = 0; + probe_failed: qla2x00_free_device(base_vha); diff --git a/drivers/scsi/qla2xxx/qla_sup.c b/drivers/scsi/qla2xxx/qla_sup.c index 303f8ee..9c3b694 100644 --- a/drivers/scsi/qla2xxx/qla_sup.c +++ b/drivers/scsi/qla2xxx/qla_sup.c @@ -944,9 +944,9 @@ qla24xx_unprotect_flash(struct qla_hw_data *ha) if (!ha->fdt_wrt_disable) return; - /* Disable flash write-protection. */ + /* Disable flash write-protection, first clear SR protection bit */ qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0); - /* Some flash parts need an additional zero-write to clear bits.*/ + /* Then write zero again to clear remaining SR bits.*/ qla24xx_write_flash_dword(ha, flash_conf_addr(ha, 0x101), 0); } @@ -980,12 +980,11 @@ qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, uint32_t dwords) { int ret; - uint32_t liter, miter; + uint32_t liter; uint32_t sec_mask, rest_addr; - uint32_t fdata, findex; + uint32_t fdata; dma_addr_t optrom_dma; void *optrom = NULL; - uint32_t *s, *d; struct qla_hw_data *ha = vha->hw; ret = QLA_SUCCESS; @@ -1003,17 +1002,15 @@ qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, } rest_addr = (ha->fdt_block_size >> 2) - 1; - sec_mask = (ha->optrom_size >> 2) - (ha->fdt_block_size >> 2); + sec_mask = ~rest_addr; qla24xx_unprotect_flash(ha); for (liter = 0; liter < dwords; liter++, faddr++, dwptr++) { - - findex = faddr; - fdata = (findex & sec_mask) << 2; + fdata = (faddr & sec_mask) << 2; /* Are we at the beginning of a sector? */ - if ((findex & rest_addr) == 0) { + if ((faddr & rest_addr) == 0) { /* Do sector unprotect. */ if (ha->fdt_unprotect_sec_cmd) qla24xx_write_flash_dword(ha, @@ -1024,7 +1021,7 @@ qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, (fdata & 0xff00) |((fdata << 16) & 0xff0000) | ((fdata >> 16) & 0xff)); if (ret != QLA_SUCCESS) { - DEBUG9(qla_printk("Unable to flash sector: " + DEBUG9(qla_printk("Unable to erase sector: " "address=%x.\n", faddr)); break; } @@ -1033,9 +1030,7 @@ qla24xx_write_flash_data(scsi_qla_host_t *vha, uint32_t *dwptr, uint32_t faddr, /* Go with burst-write. */ if (optrom && (liter + OPTROM_BURST_DWORDS) <= dwords) { /* Copy data to DMA'ble buffer. */ - for (miter = 0, s = optrom, d = dwptr; - miter < OPTROM_BURST_DWORDS; miter++, s++, d++) - *s = cpu_to_le32(*d); + memcpy(optrom, dwptr, OPTROM_BURST_SIZE); ret = qla2x00_load_ram(vha, optrom_dma, flash_data_addr(ha, faddr), diff --git a/drivers/scsi/qla2xxx/qla_version.h b/drivers/scsi/qla2xxx/qla_version.h index 808bab6..cfa4c11 100644 --- a/drivers/scsi/qla2xxx/qla_version.h +++ b/drivers/scsi/qla2xxx/qla_version.h @@ -7,7 +7,7 @@ /* * Driver version */ -#define QLA2XXX_VERSION "8.03.00-k1" +#define QLA2XXX_VERSION "8.03.00-k2" #define QLA_DRIVER_MAJOR_VER 8 #define QLA_DRIVER_MINOR_VER 3 diff --git a/drivers/scsi/qla4xxx/ql4_def.h b/drivers/scsi/qla4xxx/ql4_def.h index d6be076..b586f27 100644 --- a/drivers/scsi/qla4xxx/ql4_def.h +++ b/drivers/scsi/qla4xxx/ql4_def.h @@ -244,6 +244,7 @@ struct ddb_entry { uint8_t ip_addr[ISCSI_IPADDR_SIZE]; uint8_t iscsi_name[ISCSI_NAME_SIZE]; /* 72 x48 */ uint8_t iscsi_alias[0x20]; + uint8_t isid[6]; }; /* diff --git a/drivers/scsi/qla4xxx/ql4_init.c b/drivers/scsi/qla4xxx/ql4_init.c index 109c5f5..af8c323 100644 --- a/drivers/scsi/qla4xxx/ql4_init.c +++ b/drivers/scsi/qla4xxx/ql4_init.c @@ -342,8 +342,12 @@ static struct ddb_entry* qla4xxx_get_ddb_entry(struct scsi_qla_host *ha, DEBUG2(printk("scsi%ld: %s: Looking for ddb[%d]\n", ha->host_no, __func__, fw_ddb_index)); list_for_each_entry(ddb_entry, &ha->ddb_list, list) { - if (memcmp(ddb_entry->iscsi_name, fw_ddb_entry->iscsi_name, - ISCSI_NAME_SIZE) == 0) { + if ((memcmp(ddb_entry->iscsi_name, fw_ddb_entry->iscsi_name, + ISCSI_NAME_SIZE) == 0) && + (ddb_entry->tpgt == + le32_to_cpu(fw_ddb_entry->tgt_portal_grp)) && + (memcmp(ddb_entry->isid, fw_ddb_entry->isid, + sizeof(ddb_entry->isid)) == 0)) { found++; break; } @@ -430,6 +434,8 @@ static int qla4xxx_update_ddb_entry(struct scsi_qla_host *ha, ddb_entry->port = le16_to_cpu(fw_ddb_entry->port); ddb_entry->tpgt = le32_to_cpu(fw_ddb_entry->tgt_portal_grp); + memcpy(ddb_entry->isid, fw_ddb_entry->isid, sizeof(ddb_entry->isid)); + memcpy(&ddb_entry->iscsi_name[0], &fw_ddb_entry->iscsi_name[0], min(sizeof(ddb_entry->iscsi_name), sizeof(fw_ddb_entry->iscsi_name))); diff --git a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c index 2a36712..536d8e5 100644 --- a/drivers/serial/8250_pci.c +++ b/drivers/serial/8250_pci.c @@ -806,6 +806,8 @@ pci_default_setup(struct serial_private *priv, #define PCI_SUBDEVICE_ID_OCTPRO422 0x0208 #define PCI_SUBDEVICE_ID_POCTAL232 0x0308 #define PCI_SUBDEVICE_ID_POCTAL422 0x0408 +#define PCI_VENDOR_ID_ADVANTECH 0x13fe +#define PCI_DEVICE_ID_ADVANTECH_PCI3620 0x3620 /* Unknown vendors/cards - this should not be in linux/pci_ids.h */ #define PCI_SUBDEVICE_ID_UNKNOWN_0x1584 0x1584 @@ -2152,6 +2154,10 @@ static int pciserial_resume_one(struct pci_dev *dev) #endif static struct pci_device_id serial_pci_tbl[] = { + /* Advantech use PCI_DEVICE_ID_ADVANTECH_PCI3620 (0x3620) as 'PCI_SUBVENDOR_ID' */ + { PCI_VENDOR_ID_ADVANTECH, PCI_DEVICE_ID_ADVANTECH_PCI3620, + PCI_DEVICE_ID_ADVANTECH_PCI3620, 0x0001, 0, 0, + pbn_b2_8_921600 }, { PCI_VENDOR_ID_V3, PCI_DEVICE_ID_V3_V960, PCI_SUBVENDOR_ID_CONNECT_TECH, PCI_SUBDEVICE_ID_CONNECT_TECH_BH8_232, 0, 0, diff --git a/drivers/serial/Kconfig b/drivers/serial/Kconfig index 3e525e3..7d7f576 100644 --- a/drivers/serial/Kconfig +++ b/drivers/serial/Kconfig @@ -982,7 +982,7 @@ config SERIAL_SH_SCI_CONSOLE config SERIAL_PNX8XXX bool "Enable PNX8XXX SoCs' UART Support" - depends on MIPS && SOC_PNX8550 + depends on MIPS && (SOC_PNX8550 || SOC_PNX833X) select SERIAL_CORE help If you have a MIPS-based Philips SoC such as PNX8550 or PNX8330 diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c index 338cf8a..92187e2 100644 --- a/drivers/serial/jsm/jsm_driver.c +++ b/drivers/serial/jsm/jsm_driver.c @@ -180,7 +180,7 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent) return rc; } -static void jsm_remove_one(struct pci_dev *pdev) +static void __devexit jsm_remove_one(struct pci_dev *pdev) { struct jsm_board *brd = pci_get_drvdata(pdev); int i = 0; diff --git a/drivers/serial/jsm/jsm_tty.c b/drivers/serial/jsm/jsm_tty.c index 3547558..324c74d 100644 --- a/drivers/serial/jsm/jsm_tty.c +++ b/drivers/serial/jsm/jsm_tty.c @@ -161,6 +161,11 @@ static void jsm_tty_stop_rx(struct uart_port *port) channel->ch_bd->bd_ops->disable_receiver(channel); } +static void jsm_tty_enable_ms(struct uart_port *port) +{ + /* Nothing needed */ +} + static void jsm_tty_break(struct uart_port *port, int break_state) { unsigned long lock_flags; @@ -345,6 +350,7 @@ static struct uart_ops jsm_ops = { .start_tx = jsm_tty_start_tx, .send_xchar = jsm_tty_send_xchar, .stop_rx = jsm_tty_stop_rx, + .enable_ms = jsm_tty_enable_ms, .break_ctl = jsm_tty_break, .startup = jsm_tty_open, .shutdown = jsm_tty_close, diff --git a/drivers/serial/mcf.c b/drivers/serial/mcf.c index b2001c5..56841fe 100644 --- a/drivers/serial/mcf.c +++ b/drivers/serial/mcf.c @@ -212,10 +212,18 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios, { unsigned long flags; unsigned int baud, baudclk; +#if defined(CONFIG_M5272) + unsigned int baudfr; +#endif unsigned char mr1, mr2; baud = uart_get_baud_rate(port, termios, old, 0, 230400); +#if defined(CONFIG_M5272) + baudclk = (MCF_BUSCLK / baud) / 32; + baudfr = (((MCF_BUSCLK / baud) + 1) / 2) % 16; +#else baudclk = ((MCF_BUSCLK / baud) + 16) / 32; +#endif mr1 = MCFUART_MR1_RXIRQRDY | MCFUART_MR1_RXERRCHAR; mr2 = 0; @@ -262,6 +270,9 @@ static void mcf_set_termios(struct uart_port *port, struct ktermios *termios, writeb(mr2, port->membase + MCFUART_UMR); writeb((baudclk & 0xff00) >> 8, port->membase + MCFUART_UBG1); writeb((baudclk & 0xff), port->membase + MCFUART_UBG2); +#if defined(CONFIG_M5272) + writeb((baudfr & 0x0f), port->membase + MCFUART_UFPD); +#endif writeb(MCFUART_UCSR_RXCLKTIMER | MCFUART_UCSR_TXCLKTIMER, port->membase + MCFUART_UCSR); writeb(MCFUART_UCR_RXENABLE | MCFUART_UCR_TXENABLE, diff --git a/drivers/serial/sh-sci.h b/drivers/serial/sh-sci.h index 38c600c..3599828 100644 --- a/drivers/serial/sh-sci.h +++ b/drivers/serial/sh-sci.h @@ -32,7 +32,9 @@ #elif defined(CONFIG_CPU_SUBTYPE_SH7720) || \ defined(CONFIG_CPU_SUBTYPE_SH7721) # define SCSCR_INIT(port) 0x0030 /* TIE=0,RIE=0,TE=1,RE=1 */ -#define SCIF_ORER 0x0200 /* overrun error bit */ +# define PORT_PTCR 0xA405011EUL +# define PORT_PVCR 0xA4050122UL +# define SCIF_ORER 0x0200 /* overrun error bit */ #elif defined(CONFIG_SH_RTS7751R2D) # define SCSPTR1 0xFFE0001C /* 8 bit SCIF */ # define SCSPTR2 0xFFE80020 /* 16 bit SCIF */ @@ -393,6 +395,7 @@ SCIx_FNS(SCSCR, 0x08, 16, 0x08, 16) SCIx_FNS(SCxTDR, 0x20, 8, 0x0c, 8) SCIx_FNS(SCxSR, 0x14, 16, 0x10, 16) SCIx_FNS(SCxRDR, 0x24, 8, 0x14, 8) +SCIx_FNS(SCSPTR, 0, 0, 0, 0) SCIF_FNS(SCTDSR, 0x0c, 8) SCIF_FNS(SCFER, 0x10, 16) SCIF_FNS(SCFCR, 0x18, 16) diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig index 4a6fe01..83a185d 100644 --- a/drivers/spi/Kconfig +++ b/drivers/spi/Kconfig @@ -230,17 +230,6 @@ config SPI_XILINX # comment "SPI Protocol Masters" -config SPI_AT25 - tristate "SPI EEPROMs from most vendors" - depends on SYSFS - help - Enable this driver to get read/write support to most SPI EEPROMs, - after you configure the board init code to know about each eeprom - on your target board. - - This driver can also be built as a module. If so, the module - will be called at25. - config SPI_SPIDEV tristate "User mode SPI device driver support" depends on EXPERIMENTAL diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile index 5e9f521..5d04519 100644 --- a/drivers/spi/Makefile +++ b/drivers/spi/Makefile @@ -33,7 +33,6 @@ obj-$(CONFIG_SPI_SH_SCI) += spi_sh_sci.o # ... add above this line ... # SPI protocol drivers (device/link on bus) -obj-$(CONFIG_SPI_AT25) += at25.o obj-$(CONFIG_SPI_SPIDEV) += spidev.o obj-$(CONFIG_SPI_TLE62X0) += tle62x0.o # ... add above this line ... diff --git a/drivers/staging/agnx/agnx.h b/drivers/staging/agnx/agnx.h index a75b0db..20f36da 100644 --- a/drivers/staging/agnx/agnx.h +++ b/drivers/staging/agnx/agnx.h @@ -1,6 +1,8 @@ #ifndef AGNX_H_ #define AGNX_H_ +#include <linux/io.h> + #include "xmit.h" #define PFX KBUILD_MODNAME ": " diff --git a/drivers/staging/altpciechdma/altpciechdma.c b/drivers/staging/altpciechdma/altpciechdma.c index 8e2b4ca..f516140 100644 --- a/drivers/staging/altpciechdma/altpciechdma.c +++ b/drivers/staging/altpciechdma/altpciechdma.c @@ -531,7 +531,7 @@ static int __devinit dma_test(struct ape_dev *ape, struct pci_dev *dev) goto fail; /* allocate and map coherently-cached memory for a DMA-able buffer */ - /* @see 2.6.26.2/Documentation/DMA-mapping.txt line 318 */ + /* @see Documentation/PCI/PCI-DMA-mapping.txt, near line 318 */ buffer_virt = (u8 *)pci_alloc_consistent(dev, PAGE_SIZE * 4, &buffer_bus); if (!buffer_virt) { printk(KERN_DEBUG "Could not allocate coherent DMA buffer.\n"); @@ -846,7 +846,7 @@ static int __devinit probe(struct pci_dev *dev, const struct pci_device_id *id) #if 1 // @todo For now, disable 64-bit, because I do not understand the implications (DAC!) /* query for DMA transfer */ - /* @see Documentation/DMA-mapping.txt */ + /* @see Documentation/PCI/PCI-DMA-mapping.txt */ if (!pci_set_dma_mask(dev, DMA_64BIT_MASK)) { pci_set_consistent_dma_mask(dev, DMA_64BIT_MASK); /* use 64-bit DMA */ diff --git a/drivers/staging/android/binder.c b/drivers/staging/android/binder.c index 6a4ceac..758131c 100644 --- a/drivers/staging/android/binder.c +++ b/drivers/staging/android/binder.c @@ -319,6 +319,7 @@ int task_get_unused_fd_flags(struct task_struct *tsk, int flags) int fd, error; struct fdtable *fdt; unsigned long rlim_cur; + unsigned long irqs; if (files == NULL) return -ESRCH; @@ -335,12 +336,11 @@ repeat: * N.B. For clone tasks sharing a files structure, this test * will limit the total number of files that can be opened. */ - rcu_read_lock(); - if (tsk->signal) + rlim_cur = 0; + if (lock_task_sighand(tsk, &irqs)) { rlim_cur = tsk->signal->rlim[RLIMIT_NOFILE].rlim_cur; - else - rlim_cur = 0; - rcu_read_unlock(); + unlock_task_sighand(tsk, &irqs); + } if (fd >= rlim_cur) goto out; @@ -2649,14 +2649,14 @@ static void binder_vma_open(struct vm_area_struct *vma) { struct binder_proc *proc = vma->vm_private_data; if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) - printk(KERN_INFO "binder: %d open vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot.pgprot); + printk(KERN_INFO "binder: %d open vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, pgprot_val(vma->vm_page_prot)); dump_stack(); } static void binder_vma_close(struct vm_area_struct *vma) { struct binder_proc *proc = vma->vm_private_data; if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) - printk(KERN_INFO "binder: %d close vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot.pgprot); + printk(KERN_INFO "binder: %d close vm area %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, pgprot_val(vma->vm_page_prot)); proc->vma = NULL; } @@ -2677,7 +2677,7 @@ static int binder_mmap(struct file *filp, struct vm_area_struct *vma) vma->vm_end = vma->vm_start + SZ_4M; if (binder_debug_mask & BINDER_DEBUG_OPEN_CLOSE) - printk(KERN_INFO "binder_mmap: %d %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, vma->vm_page_prot.pgprot); + printk(KERN_INFO "binder_mmap: %d %lx-%lx (%ld K) vma %lx pagep %lx\n", proc->pid, vma->vm_start, vma->vm_end, (vma->vm_end - vma->vm_start) / SZ_1K, vma->vm_flags, pgprot_val(vma->vm_page_prot)); if (vma->vm_flags & FORBIDDEN_MMAP_FLAGS) { ret = -EPERM; diff --git a/drivers/staging/android/lowmemorykiller.txt b/drivers/staging/android/lowmemorykiller.txt new file mode 100644 index 0000000..bd5c0c0 --- /dev/null +++ b/drivers/staging/android/lowmemorykiller.txt @@ -0,0 +1,16 @@ +The lowmemorykiller driver lets user-space specify a set of memory thresholds +where processes with a range of oom_adj values will get killed. Specify the +minimum oom_adj values in /sys/module/lowmemorykiller/parameters/adj and the +number of free pages in /sys/module/lowmemorykiller/parameters/minfree. Both +files take a comma separated list of numbers in ascending order. + +For example, write "0,8" to /sys/module/lowmemorykiller/parameters/adj and +"1024,4096" to /sys/module/lowmemorykiller/parameters/minfree to kill processes +with a oom_adj value of 8 or higher when the free memory drops below 4096 pages +and kill processes with a oom_adj value of 0 or higher when the free memory +drops below 1024 pages. + +The driver considers memory used for caches to be free, but if a large +percentage of the cached memory is locked this can be very inaccurate +and processes may not get killed until the normal oom killer is triggered. + diff --git a/drivers/staging/android/timed_gpio.c b/drivers/staging/android/timed_gpio.c index bea68c9..903270c 100644 --- a/drivers/staging/android/timed_gpio.c +++ b/drivers/staging/android/timed_gpio.c @@ -18,7 +18,7 @@ #include <linux/platform_device.h> #include <linux/hrtimer.h> #include <linux/err.h> -#include <asm/arch/gpio.h> +#include <linux/gpio.h> #include "timed_gpio.h" @@ -49,7 +49,8 @@ static ssize_t gpio_enable_show(struct device *dev, struct device_attribute *att if (hrtimer_active(&gpio_data->timer)) { ktime_t r = hrtimer_get_remaining(&gpio_data->timer); - remaining = r.tv.sec * 1000 + r.tv.nsec / 1000000; + struct timeval t = ktime_to_timeval(r); + remaining = t.tv_sec * 1000 + t.tv_usec; } else remaining = 0; diff --git a/drivers/staging/comedi/Kconfig b/drivers/staging/comedi/Kconfig index b501bfb..b47ca1e 100644 --- a/drivers/staging/comedi/Kconfig +++ b/drivers/staging/comedi/Kconfig @@ -1,6 +1,7 @@ config COMEDI tristate "Data Acquision support (comedi)" default N + depends on m ---help--- Enable support a wide range of data acquision devices for Linux. diff --git a/drivers/staging/meilhaus/Kconfig b/drivers/staging/meilhaus/Kconfig index 6def83f..923af22 100644 --- a/drivers/staging/meilhaus/Kconfig +++ b/drivers/staging/meilhaus/Kconfig @@ -4,6 +4,7 @@ menuconfig MEILHAUS tristate "Meilhaus support" + depends on m ---help--- If you have a Meilhaus card, say Y (or M) here. @@ -18,7 +19,7 @@ if MEILHAUS config ME0600 tristate "Meilhaus ME-600 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-600 family of boards that do data collection and multipurpose I/O. @@ -29,7 +30,7 @@ config ME0600 config ME0900 tristate "Meilhaus ME-900 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-900 family of boards that do data collection and multipurpose I/O. @@ -40,7 +41,7 @@ config ME0900 config ME1000 tristate "Meilhaus ME-1000 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-1000 family of boards that do data collection and multipurpose I/O. @@ -51,7 +52,7 @@ config ME1000 config ME1400 tristate "Meilhaus ME-1400 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-1400 family of boards that do data collection and multipurpose I/O. @@ -62,7 +63,7 @@ config ME1400 config ME1600 tristate "Meilhaus ME-1600 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-1600 family of boards that do data collection and multipurpose I/O. @@ -73,7 +74,7 @@ config ME1600 config ME4600 tristate "Meilhaus ME-4600 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-4600 family of boards that do data collection and multipurpose I/O. @@ -84,7 +85,7 @@ config ME4600 config ME6000 tristate "Meilhaus ME-6000 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-6000 family of boards that do data collection and multipurpose I/O. @@ -95,7 +96,7 @@ config ME6000 config ME8100 tristate "Meilhaus ME-8100 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-8100 family of boards that do data collection and multipurpose I/O. @@ -106,7 +107,7 @@ config ME8100 config ME8200 tristate "Meilhaus ME-8200 support" default n - depends on PCI + depends on PCI && m help This driver supports the Meilhaus ME-8200 family of boards that do data collection and multipurpose I/O. @@ -117,7 +118,7 @@ config ME8200 config MEDUMMY tristate "Meilhaus dummy driver" default n - depends on PCI + depends on PCI && m help This provides a dummy driver for the Meilhaus driver package diff --git a/drivers/staging/poch/poch.c b/drivers/staging/poch/poch.c index ec343ef..0d111dd 100644 --- a/drivers/staging/poch/poch.c +++ b/drivers/staging/poch/poch.c @@ -1026,7 +1026,7 @@ static int poch_ioctl(struct inode *inode, struct file *filp, } break; case POCH_IOC_GET_COUNTERS: - if (access_ok(VERIFY_WRITE, argp, sizeof(struct poch_counters))) + if (!access_ok(VERIFY_WRITE, argp, sizeof(struct poch_counters))) return -EFAULT; spin_lock_irq(&channel->counters_lock); diff --git a/drivers/staging/usbip/usbip_common.c b/drivers/staging/usbip/usbip_common.c index 72e2092..22f93dd 100644 --- a/drivers/staging/usbip/usbip_common.c +++ b/drivers/staging/usbip/usbip_common.c @@ -406,8 +406,20 @@ void usbip_start_threads(struct usbip_device *ud) /* * threads are invoked per one device (per one connection). */ - kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0); - kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0); + int retval; + + retval = kernel_thread(usbip_thread, (void *)&ud->tcp_rx, 0); + if (retval < 0) { + printk(KERN_ERR "Creating tcp_rx thread for ud %p failed.\n", + ud); + return; + } + retval = kernel_thread(usbip_thread, (void *)&ud->tcp_tx, 0); + if (retval < 0) { + printk(KERN_ERR "Creating tcp_tx thread for ud %p failed.\n", + ud); + return; + } /* confirm threads are starting */ wait_for_completion(&ud->tcp_rx.thread_done); diff --git a/drivers/usb/Makefile b/drivers/usb/Makefile index 8b7c419..8bcde8c 100644 --- a/drivers/usb/Makefile +++ b/drivers/usb/Makefile @@ -13,6 +13,7 @@ obj-$(CONFIG_USB_EHCI_HCD) += host/ obj-$(CONFIG_USB_ISP116X_HCD) += host/ obj-$(CONFIG_USB_OHCI_HCD) += host/ obj-$(CONFIG_USB_UHCI_HCD) += host/ +obj-$(CONFIG_USB_FHCI_HCD) += host/ obj-$(CONFIG_USB_SL811_HCD) += host/ obj-$(CONFIG_USB_U132_HCD) += host/ obj-$(CONFIG_USB_R8A66597_HCD) += host/ diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c index 00b47ea..97ba4a9 100644 --- a/drivers/usb/class/cdc-acm.c +++ b/drivers/usb/class/cdc-acm.c @@ -1349,6 +1349,12 @@ static struct usb_device_id acm_ids[] = { { USB_DEVICE(0x0e8d, 0x0003), /* FIREFLY, MediaTek Inc; andrey.arapov@gmail.com */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x0e8d, 0x3329), /* i-blue 747, Qstarz BT-Q1000, Holux M-241 */ + .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ + }, + { USB_DEVICE(0x0e8d, 0x3329), /* MediaTek Inc GPS */ + .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ + }, { USB_DEVICE(0x0482, 0x0203), /* KYOCERA AH-K3001V */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, @@ -1370,6 +1376,9 @@ static struct usb_device_id acm_ids[] = { { USB_DEVICE(0x0572, 0x1321), /* Conexant USB MODEM CX93010 */ .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ }, + { USB_DEVICE(0x0572, 0x1324), /* Conexant USB MODEM RD02-D400 */ + .driver_info = NO_UNION_NORMAL, /* has no union descriptor */ + }, /* control interfaces with various AT-command sets */ { USB_INTERFACE_INFO(USB_CLASS_COMM, USB_CDC_SUBCLASS_ACM, diff --git a/drivers/usb/class/usblp.c b/drivers/usb/class/usblp.c index b5775af..3f3ee13 100644 --- a/drivers/usb/class/usblp.c +++ b/drivers/usb/class/usblp.c @@ -226,6 +226,7 @@ static const struct quirk_printer_struct quirk_printers[] = { { 0x0409, 0xf0be, USBLP_QUIRK_BIDIR }, /* NEC Picty920 (HP OEM) */ { 0x0409, 0xf1be, USBLP_QUIRK_BIDIR }, /* NEC Picty800 (HP OEM) */ { 0x0482, 0x0010, USBLP_QUIRK_BIDIR }, /* Kyocera Mita FS 820, by zut <kernel@zut.de> */ + { 0x04f9, 0x000d, USBLP_QUIRK_BIDIR }, /* Brother Industries, Ltd HL-1440 Laser Printer */ { 0x04b8, 0x0202, USBLP_QUIRK_BAD_CLASS }, /* Seiko Epson Receipt Printer M129C */ { 0, 0 } }; diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c index 26fece1..7513bb0 100644 --- a/drivers/usb/core/devio.c +++ b/drivers/usb/core/devio.c @@ -1700,7 +1700,7 @@ const struct file_operations usbdev_file_operations = { .release = usbdev_release, }; -void usb_fs_classdev_common_remove(struct usb_device *udev) +static void usbdev_remove(struct usb_device *udev) { struct dev_state *ps; struct siginfo sinfo; @@ -1742,10 +1742,15 @@ static void usb_classdev_remove(struct usb_device *dev) { if (dev->usb_classdev) device_unregister(dev->usb_classdev); - usb_fs_classdev_common_remove(dev); } -static int usb_classdev_notify(struct notifier_block *self, +#else +#define usb_classdev_add(dev) 0 +#define usb_classdev_remove(dev) do {} while (0) + +#endif + +static int usbdev_notify(struct notifier_block *self, unsigned long action, void *dev) { switch (action) { @@ -1755,15 +1760,15 @@ static int usb_classdev_notify(struct notifier_block *self, break; case USB_DEVICE_REMOVE: usb_classdev_remove(dev); + usbdev_remove(dev); break; } return NOTIFY_OK; } static struct notifier_block usbdev_nb = { - .notifier_call = usb_classdev_notify, + .notifier_call = usbdev_notify, }; -#endif static struct cdev usb_device_cdev; @@ -1798,9 +1803,8 @@ int __init usb_devio_init(void) * to /sys/dev */ usb_classdev_class->dev_kobj = NULL; - - usb_register_notify(&usbdev_nb); #endif + usb_register_notify(&usbdev_nb); out: return retval; @@ -1811,8 +1815,8 @@ error_cdev: void usb_devio_cleanup(void) { -#ifdef CONFIG_USB_DEVICE_CLASS usb_unregister_notify(&usbdev_nb); +#ifdef CONFIG_USB_DEVICE_CLASS class_destroy(usb_classdev_class); #endif cdev_del(&usb_device_cdev); diff --git a/drivers/usb/core/driver.c b/drivers/usb/core/driver.c index 9876055..d0a21a5 100644 --- a/drivers/usb/core/driver.c +++ b/drivers/usb/core/driver.c @@ -284,7 +284,7 @@ static int usb_unbind_interface(struct device *dev) * supports "soft" unbinding. */ if (!driver->soft_unbind) - usb_disable_interface(udev, intf); + usb_disable_interface(udev, intf, false); driver->disconnect(intf); usb_cancel_queued_reset(intf); diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c index 507741e..c54fc40 100644 --- a/drivers/usb/core/hcd-pci.c +++ b/drivers/usb/core/hcd-pci.c @@ -128,7 +128,6 @@ int usb_hcd_pci_probe(struct pci_dev *dev, const struct pci_device_id *id) } pci_set_master(dev); - device_set_wakeup_enable(&dev->dev, 1); retval = usb_add_hcd(hcd, dev->irq, IRQF_DISABLED | IRQF_SHARED); if (retval != 0) @@ -201,6 +200,7 @@ int usb_hcd_pci_suspend(struct pci_dev *dev, pm_message_t message) struct usb_hcd *hcd = pci_get_drvdata(dev); int retval = 0; int wake, w; + int has_pci_pm; /* Root hub suspend should have stopped all downstream traffic, * and all bus master traffic. And done so for both the interface @@ -230,6 +230,15 @@ int usb_hcd_pci_suspend(struct pci_dev *dev, pm_message_t message) synchronize_irq(dev->irq); + /* Downstream ports from this root hub should already be quiesced, so + * there will be no DMA activity. Now we can shut down the upstream + * link (except maybe for PME# resume signaling) and enter some PCI + * low power state, if the hardware allows. + */ + pci_disable_device(dev); + + pci_save_state(dev); + /* Don't fail on error to enable wakeup. We rely on pci code * to reject requests the hardware can't implement, rather * than coding the same thing. @@ -241,35 +250,6 @@ int usb_hcd_pci_suspend(struct pci_dev *dev, pm_message_t message) wake = w; dev_dbg(&dev->dev, "wakeup: %d\n", wake); - /* Downstream ports from this root hub should already be quiesced, so - * there will be no DMA activity. Now we can shut down the upstream - * link (except maybe for PME# resume signaling) and enter some PCI - * low power state, if the hardware allows. - */ - pci_disable_device(dev); - done: - return retval; -} -EXPORT_SYMBOL_GPL(usb_hcd_pci_suspend); - -/** - * usb_hcd_pci_suspend_late - suspend a PCI-based HCD after IRQs are disabled - * @dev: USB Host Controller being suspended - * @message: Power Management message describing this state transition - * - * Store this function in the HCD's struct pci_driver as .suspend_late. - */ -int usb_hcd_pci_suspend_late(struct pci_dev *dev, pm_message_t message) -{ - int retval = 0; - int has_pci_pm; - - /* We might already be suspended (runtime PM -- not yet written) */ - if (dev->current_state != PCI_D0) - goto done; - - pci_save_state(dev); - /* Don't change state if we don't need to */ if (message.event == PM_EVENT_FREEZE || message.event == PM_EVENT_PRETHAW) { @@ -315,7 +295,7 @@ int usb_hcd_pci_suspend_late(struct pci_dev *dev, pm_message_t message) done: return retval; } -EXPORT_SYMBOL_GPL(usb_hcd_pci_suspend_late); +EXPORT_SYMBOL_GPL(usb_hcd_pci_suspend); /** * usb_hcd_pci_resume_early - resume a PCI-based HCD before IRQs are enabled @@ -325,65 +305,8 @@ EXPORT_SYMBOL_GPL(usb_hcd_pci_suspend_late); */ int usb_hcd_pci_resume_early(struct pci_dev *dev) { - int retval = 0; - pci_power_t state = dev->current_state; - -#ifdef CONFIG_PPC_PMAC - /* Reenable ASIC clocks for USB */ - if (machine_is(powermac)) { - struct device_node *of_node; - - of_node = pci_device_to_OF_node(dev); - if (of_node) - pmac_call_feature(PMAC_FTR_USB_ENABLE, - of_node, 0, 1); - } -#endif - - /* NOTE: chip docs cover clean "real suspend" cases (what Linux - * calls "standby", "suspend to RAM", and so on). There are also - * dirty cases when swsusp fakes a suspend in "shutdown" mode. - */ - if (state != PCI_D0) { -#ifdef DEBUG - int pci_pm; - u16 pmcr; - - pci_pm = pci_find_capability(dev, PCI_CAP_ID_PM); - pci_read_config_word(dev, pci_pm + PCI_PM_CTRL, &pmcr); - pmcr &= PCI_PM_CTRL_STATE_MASK; - if (pmcr) { - /* Clean case: power to USB and to HC registers was - * maintained; remote wakeup is easy. - */ - dev_dbg(&dev->dev, "resume from PCI D%d\n", pmcr); - } else { - /* Clean: HC lost Vcc power, D0 uninitialized - * + Vaux may have preserved port and transceiver - * state ... for remote wakeup from D3cold - * + or not; HCD must reinit + re-enumerate - * - * Dirty: D0 semi-initialized cases with swsusp - * + after BIOS init - * + after Linux init (HCD statically linked) - */ - dev_dbg(&dev->dev, "resume from previous PCI D%d\n", - state); - } -#endif - - retval = pci_set_power_state(dev, PCI_D0); - } else { - /* Same basic cases: clean (powered/not), dirty */ - dev_dbg(&dev->dev, "PCI legacy resume\n"); - } - - if (retval < 0) - dev_err(&dev->dev, "can't resume: %d\n", retval); - else - pci_restore_state(dev); - - return retval; + pci_restore_state(dev); + return 0; } EXPORT_SYMBOL_GPL(usb_hcd_pci_resume_early); @@ -398,6 +321,18 @@ int usb_hcd_pci_resume(struct pci_dev *dev) struct usb_hcd *hcd; int retval; +#ifdef CONFIG_PPC_PMAC + /* Reenable ASIC clocks for USB */ + if (machine_is(powermac)) { + struct device_node *of_node; + + of_node = pci_device_to_OF_node(dev); + if (of_node) + pmac_call_feature(PMAC_FTR_USB_ENABLE, + of_node, 0, 1); + } +#endif + hcd = pci_get_drvdata(dev); if (hcd->state != HC_STATE_SUSPENDED) { dev_dbg(hcd->self.controller, @@ -405,6 +340,8 @@ int usb_hcd_pci_resume(struct pci_dev *dev) return 0; } + pci_enable_wake(dev, PCI_D0, false); + retval = pci_enable_device(dev); if (retval < 0) { dev_err(&dev->dev, "can't re-enable after resume, %d!\n", diff --git a/drivers/usb/core/hcd.h b/drivers/usb/core/hcd.h index 572d2cf..5b94a56 100644 --- a/drivers/usb/core/hcd.h +++ b/drivers/usb/core/hcd.h @@ -257,7 +257,6 @@ extern void usb_hcd_pci_remove(struct pci_dev *dev); #ifdef CONFIG_PM extern int usb_hcd_pci_suspend(struct pci_dev *dev, pm_message_t msg); -extern int usb_hcd_pci_suspend_late(struct pci_dev *dev, pm_message_t msg); extern int usb_hcd_pci_resume_early(struct pci_dev *dev); extern int usb_hcd_pci_resume(struct pci_dev *dev); #endif /* CONFIG_PM */ diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c index 94d5ee2..cd50d86 100644 --- a/drivers/usb/core/hub.c +++ b/drivers/usb/core/hub.c @@ -2382,8 +2382,8 @@ static int hub_port_debounce(struct usb_hub *hub, int port1) void usb_ep0_reinit(struct usb_device *udev) { - usb_disable_endpoint(udev, 0 + USB_DIR_IN); - usb_disable_endpoint(udev, 0 + USB_DIR_OUT); + usb_disable_endpoint(udev, 0 + USB_DIR_IN, true); + usb_disable_endpoint(udev, 0 + USB_DIR_OUT, true); usb_enable_endpoint(udev, &udev->ep0, true); } EXPORT_SYMBOL_GPL(usb_ep0_reinit); diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c index 2a129cb..dff5760 100644 --- a/drivers/usb/core/inode.c +++ b/drivers/usb/core/inode.c @@ -717,7 +717,6 @@ static void usbfs_remove_device(struct usb_device *dev) fs_remove_file (dev->usbfs_dentry); dev->usbfs_dentry = NULL; } - usb_fs_classdev_common_remove(dev); } static int usbfs_notify(struct notifier_block *self, unsigned long action, void *dev) diff --git a/drivers/usb/core/message.c b/drivers/usb/core/message.c index de51667..31fb204 100644 --- a/drivers/usb/core/message.c +++ b/drivers/usb/core/message.c @@ -1039,14 +1039,15 @@ static void remove_intf_ep_devs(struct usb_interface *intf) * @dev: the device whose endpoint is being disabled * @epaddr: the endpoint's address. Endpoint number for output, * endpoint number + USB_DIR_IN for input + * @reset_hardware: flag to erase any endpoint state stored in the + * controller hardware * - * Deallocates hcd/hardware state for this endpoint ... and nukes all - * pending urbs. - * - * If the HCD hasn't registered a disable() function, this sets the - * endpoint's maxpacket size to 0 to prevent further submissions. + * Disables the endpoint for URB submission and nukes all pending URBs. + * If @reset_hardware is set then also deallocates hcd/hardware state + * for the endpoint. */ -void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr) +void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr, + bool reset_hardware) { unsigned int epnum = epaddr & USB_ENDPOINT_NUMBER_MASK; struct usb_host_endpoint *ep; @@ -1056,15 +1057,18 @@ void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr) if (usb_endpoint_out(epaddr)) { ep = dev->ep_out[epnum]; - dev->ep_out[epnum] = NULL; + if (reset_hardware) + dev->ep_out[epnum] = NULL; } else { ep = dev->ep_in[epnum]; - dev->ep_in[epnum] = NULL; + if (reset_hardware) + dev->ep_in[epnum] = NULL; } if (ep) { ep->enabled = 0; usb_hcd_flush_endpoint(dev, ep); - usb_hcd_disable_endpoint(dev, ep); + if (reset_hardware) + usb_hcd_disable_endpoint(dev, ep); } } @@ -1072,17 +1076,21 @@ void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr) * usb_disable_interface -- Disable all endpoints for an interface * @dev: the device whose interface is being disabled * @intf: pointer to the interface descriptor + * @reset_hardware: flag to erase any endpoint state stored in the + * controller hardware * * Disables all the endpoints for the interface's current altsetting. */ -void usb_disable_interface(struct usb_device *dev, struct usb_interface *intf) +void usb_disable_interface(struct usb_device *dev, struct usb_interface *intf, + bool reset_hardware) { struct usb_host_interface *alt = intf->cur_altsetting; int i; for (i = 0; i < alt->desc.bNumEndpoints; ++i) { usb_disable_endpoint(dev, - alt->endpoint[i].desc.bEndpointAddress); + alt->endpoint[i].desc.bEndpointAddress, + reset_hardware); } } @@ -1103,8 +1111,8 @@ void usb_disable_device(struct usb_device *dev, int skip_ep0) dev_dbg(&dev->dev, "%s nuking %s URBs\n", __func__, skip_ep0 ? "non-ep0" : "all"); for (i = skip_ep0; i < 16; ++i) { - usb_disable_endpoint(dev, i); - usb_disable_endpoint(dev, i + USB_DIR_IN); + usb_disable_endpoint(dev, i, true); + usb_disable_endpoint(dev, i + USB_DIR_IN, true); } dev->toggle[0] = dev->toggle[1] = 0; @@ -1274,7 +1282,7 @@ int usb_set_interface(struct usb_device *dev, int interface, int alternate) remove_intf_ep_devs(iface); usb_remove_sysfs_intf_files(iface); } - usb_disable_interface(dev, iface); + usb_disable_interface(dev, iface, true); iface->cur_altsetting = alt; @@ -1353,8 +1361,8 @@ int usb_reset_configuration(struct usb_device *dev) */ for (i = 1; i < 16; ++i) { - usb_disable_endpoint(dev, i); - usb_disable_endpoint(dev, i + USB_DIR_IN); + usb_disable_endpoint(dev, i, true); + usb_disable_endpoint(dev, i + USB_DIR_IN, true); } config = dev->actconfig; diff --git a/drivers/usb/core/usb.h b/drivers/usb/core/usb.h index 3861778..79d8a9e 100644 --- a/drivers/usb/core/usb.h +++ b/drivers/usb/core/usb.h @@ -15,9 +15,10 @@ extern void usb_enable_endpoint(struct usb_device *dev, struct usb_host_endpoint *ep, bool reset_toggle); extern void usb_enable_interface(struct usb_device *dev, struct usb_interface *intf, bool reset_toggles); -extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr); +extern void usb_disable_endpoint(struct usb_device *dev, unsigned int epaddr, + bool reset_hardware); extern void usb_disable_interface(struct usb_device *dev, - struct usb_interface *intf); + struct usb_interface *intf, bool reset_hardware); extern void usb_release_interface_cache(struct kref *ref); extern void usb_disable_device(struct usb_device *dev, int skip_ep0); extern int usb_deauthorize_device(struct usb_device *); @@ -151,7 +152,6 @@ extern struct usb_driver usbfs_driver; extern const struct file_operations usbfs_devices_fops; extern const struct file_operations usbdev_file_operations; extern void usbfs_conn_disc_event(void); -extern void usb_fs_classdev_common_remove(struct usb_device *udev); extern int usb_devio_init(void); extern void usb_devio_cleanup(void); diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c index f2da026..5d11c29 100644 --- a/drivers/usb/gadget/composite.c +++ b/drivers/usb/gadget/composite.c @@ -683,6 +683,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) struct usb_request *req = cdev->req; int value = -EOPNOTSUPP; u16 w_index = le16_to_cpu(ctrl->wIndex); + u8 intf = w_index & 0xFF; u16 w_value = le16_to_cpu(ctrl->wValue); u16 w_length = le16_to_cpu(ctrl->wLength); struct usb_function *f = NULL; @@ -769,10 +770,10 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) goto unknown; if (!cdev->config || w_index >= MAX_CONFIG_INTERFACES) break; - f = cdev->config->interface[w_index]; + f = cdev->config->interface[intf]; if (!f) break; - if (w_value && !f->get_alt) + if (w_value && !f->set_alt) break; value = f->set_alt(f, w_index, w_value); break; @@ -781,7 +782,7 @@ composite_setup(struct usb_gadget *gadget, const struct usb_ctrlrequest *ctrl) goto unknown; if (!cdev->config || w_index >= MAX_CONFIG_INTERFACES) break; - f = cdev->config->interface[w_index]; + f = cdev->config->interface[intf]; if (!f) break; /* lots of interfaces only need altsetting zero... */ @@ -808,7 +809,7 @@ unknown: */ if ((ctrl->bRequestType & USB_RECIP_MASK) == USB_RECIP_INTERFACE) { - f = cdev->config->interface[w_index]; + f = cdev->config->interface[intf]; if (f && f->setup) value = f->setup(f, ctrl); else diff --git a/drivers/usb/gadget/imx_udc.c b/drivers/usb/gadget/imx_udc.c index cde8fdf..77c5d0a 100644 --- a/drivers/usb/gadget/imx_udc.c +++ b/drivers/usb/gadget/imx_udc.c @@ -297,7 +297,7 @@ void imx_ep_stall(struct imx_ep_struct *imx_ep) for (i = 0; i < 100; i ++) { temp = __raw_readl(imx_usb->base + USB_EP_STAT(EP_NO(imx_ep))); - if (!temp & EPSTAT_STALL) + if (!(temp & EPSTAT_STALL)) break; udelay(20); } diff --git a/drivers/usb/host/Kconfig b/drivers/usb/host/Kconfig index 2b476b6..2c63bfb 100644 --- a/drivers/usb/host/Kconfig +++ b/drivers/usb/host/Kconfig @@ -140,6 +140,7 @@ config USB_OHCI_HCD tristate "OHCI HCD support" depends on USB && USB_ARCH_HAS_OHCI select ISP1301_OMAP if MACH_OMAP_H2 || MACH_OMAP_H3 + select USB_OTG_UTILS if ARCH_OMAP ---help--- The Open Host Controller Interface (OHCI) is a standard for accessing USB 1.1 host controller hardware. It does more in hardware than Intel's @@ -238,6 +239,23 @@ config USB_UHCI_HCD To compile this driver as a module, choose M here: the module will be called uhci-hcd. +config USB_FHCI_HCD + tristate "Freescale QE USB Host Controller support" + depends on USB && OF_GPIO && QE_GPIO && QUICC_ENGINE + select FSL_GTM + select QE_USB + help + This driver enables support for Freescale QE USB Host Controller + (as found on MPC8360 and MPC8323 processors), the driver supports + Full and Low Speed USB. + +config FHCI_DEBUG + bool "Freescale QE USB Host Controller debug support" + depends on USB_FHCI_HCD && DEBUG_FS + help + Say "y" to see some FHCI debug information and statistics + throught debugfs. + config USB_U132_HCD tristate "Elan U132 Adapter Host Controller" depends on USB && USB_FTDI_ELAN diff --git a/drivers/usb/host/Makefile b/drivers/usb/host/Makefile index e5f3f20..f163571 100644 --- a/drivers/usb/host/Makefile +++ b/drivers/usb/host/Makefile @@ -7,6 +7,11 @@ ifeq ($(CONFIG_USB_DEBUG),y) endif isp1760-objs := isp1760-hcd.o isp1760-if.o +fhci-objs := fhci-hcd.o fhci-hub.o fhci-q.o fhci-mem.o \ + fhci-tds.o fhci-sched.o +ifeq ($(CONFIG_FHCI_DEBUG),y) +fhci-objs += fhci-dbg.o +endif obj-$(CONFIG_USB_WHCI_HCD) += whci/ @@ -17,6 +22,7 @@ obj-$(CONFIG_USB_OXU210HP_HCD) += oxu210hp-hcd.o obj-$(CONFIG_USB_ISP116X_HCD) += isp116x-hcd.o obj-$(CONFIG_USB_OHCI_HCD) += ohci-hcd.o obj-$(CONFIG_USB_UHCI_HCD) += uhci-hcd.o +obj-$(CONFIG_USB_FHCI_HCD) += fhci.o obj-$(CONFIG_USB_SL811_HCD) += sl811-hcd.o obj-$(CONFIG_USB_SL811_CS) += sl811_cs.o obj-$(CONFIG_USB_U132_HCD) += u132-hcd.o diff --git a/drivers/usb/host/ehci-pci.c b/drivers/usb/host/ehci-pci.c index bdc6e86..bb21fb0 100644 --- a/drivers/usb/host/ehci-pci.c +++ b/drivers/usb/host/ehci-pci.c @@ -230,7 +230,7 @@ static int ehci_pci_setup(struct usb_hcd *hcd) pci_read_config_word(pdev, 0x62, &port_wake); if (port_wake & 0x0001) { dev_warn(&pdev->dev, "Enabling legacy PCI PM\n"); - device_init_wakeup(&pdev->dev, 1); + device_set_wakeup_capable(&pdev->dev, 1); } } @@ -432,7 +432,6 @@ static struct pci_driver ehci_pci_driver = { #ifdef CONFIG_PM .suspend = usb_hcd_pci_suspend, - .suspend_late = usb_hcd_pci_suspend_late, .resume_early = usb_hcd_pci_resume_early, .resume = usb_hcd_pci_resume, #endif diff --git a/drivers/usb/host/fhci-dbg.c b/drivers/usb/host/fhci-dbg.c new file mode 100644 index 0000000..34e14ed --- /dev/null +++ b/drivers/usb/host/fhci-dbg.c @@ -0,0 +1,139 @@ +/* + * Freescale QUICC Engine USB Host Controller Driver + * + * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Shlomi Gridish <gridish@freescale.com> + * Jerry Huang <Chang-Ming.Huang@freescale.com> + * Copyright (c) Logic Product Development, Inc. 2007 + * Peter Barada <peterb@logicpd.com> + * Copyright (c) MontaVista Software, Inc. 2008. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/errno.h> +#include <linux/debugfs.h> +#include <linux/seq_file.h> +#include <linux/usb.h> +#include "../core/hcd.h" +#include "fhci.h" + +void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) +{ + int i; + + if (usb_er == -1) { + fhci->usb_irq_stat[12]++; + return; + } + + for (i = 0; i < 12; ++i) { + if (usb_er & (1 << i)) + fhci->usb_irq_stat[i]++; + } +} + +static int fhci_dfs_regs_show(struct seq_file *s, void *v) +{ + struct fhci_hcd *fhci = s->private; + struct fhci_regs __iomem *regs = fhci->regs; + + seq_printf(s, + "mode: 0x%x\n" "addr: 0x%x\n" + "command: 0x%x\n" "ep0: 0x%x\n" + "event: 0x%x\n" "mask: 0x%x\n" + "status: 0x%x\n" "SOF timer: %d\n" + "frame number: %d\n" + "lines status: 0x%x\n", + in_8(®s->usb_mod), in_8(®s->usb_addr), + in_8(®s->usb_comm), in_be16(®s->usb_ep[0]), + in_be16(®s->usb_event), in_be16(®s->usb_mask), + in_8(®s->usb_status), in_be16(®s->usb_sof_tmr), + in_be16(®s->usb_frame_num), + fhci_ioports_check_bus_state(fhci)); + + return 0; +} + +static int fhci_dfs_irq_stat_show(struct seq_file *s, void *v) +{ + struct fhci_hcd *fhci = s->private; + int *usb_irq_stat = fhci->usb_irq_stat; + + seq_printf(s, + "RXB: %d\n" "TXB: %d\n" "BSY: %d\n" + "SOF: %d\n" "TXE0: %d\n" "TXE1: %d\n" + "TXE2: %d\n" "TXE3: %d\n" "IDLE: %d\n" + "RESET: %d\n" "SFT: %d\n" "MSF: %d\n" + "IDLE_ONLY: %d\n", + usb_irq_stat[0], usb_irq_stat[1], usb_irq_stat[2], + usb_irq_stat[3], usb_irq_stat[4], usb_irq_stat[5], + usb_irq_stat[6], usb_irq_stat[7], usb_irq_stat[8], + usb_irq_stat[9], usb_irq_stat[10], usb_irq_stat[11], + usb_irq_stat[12]); + + return 0; +} + +static int fhci_dfs_regs_open(struct inode *inode, struct file *file) +{ + return single_open(file, fhci_dfs_regs_show, inode->i_private); +} + +static int fhci_dfs_irq_stat_open(struct inode *inode, struct file *file) +{ + return single_open(file, fhci_dfs_irq_stat_show, inode->i_private); +} + +static const struct file_operations fhci_dfs_regs_fops = { + .open = fhci_dfs_regs_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +static const struct file_operations fhci_dfs_irq_stat_fops = { + .open = fhci_dfs_irq_stat_open, + .read = seq_read, + .llseek = seq_lseek, + .release = single_release, +}; + +void fhci_dfs_create(struct fhci_hcd *fhci) +{ + struct device *dev = fhci_to_hcd(fhci)->self.controller; + + fhci->dfs_root = debugfs_create_dir(dev->bus_id, NULL); + if (!fhci->dfs_root) { + WARN_ON(1); + return; + } + + fhci->dfs_regs = debugfs_create_file("regs", S_IFREG | S_IRUGO, + fhci->dfs_root, fhci, &fhci_dfs_regs_fops); + + fhci->dfs_irq_stat = debugfs_create_file("irq_stat", + S_IFREG | S_IRUGO, fhci->dfs_root, fhci, + &fhci_dfs_irq_stat_fops); + + WARN_ON(!fhci->dfs_regs || !fhci->dfs_irq_stat); +} + +void fhci_dfs_destroy(struct fhci_hcd *fhci) +{ + if (!fhci->dfs_root) + return; + + if (fhci->dfs_irq_stat) + debugfs_remove(fhci->dfs_irq_stat); + + if (fhci->dfs_regs) + debugfs_remove(fhci->dfs_regs); + + debugfs_remove(fhci->dfs_root); +} diff --git a/drivers/usb/host/fhci-hcd.c b/drivers/usb/host/fhci-hcd.c new file mode 100644 index 0000000..ba622cc --- /dev/null +++ b/drivers/usb/host/fhci-hcd.c @@ -0,0 +1,836 @@ +/* + * Freescale QUICC Engine USB Host Controller Driver + * + * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Shlomi Gridish <gridish@freescale.com> + * Jerry Huang <Chang-Ming.Huang@freescale.com> + * Copyright (c) Logic Product Development, Inc. 2007 + * Peter Barada <peterb@logicpd.com> + * Copyright (c) MontaVista Software, Inc. 2008. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/module.h> +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/list.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/usb.h> +#include <linux/of_platform.h> +#include <linux/of_gpio.h> +#include <asm/qe.h> +#include <asm/fsl_gtm.h> +#include "../core/hcd.h" +#include "fhci.h" + +void fhci_start_sof_timer(struct fhci_hcd *fhci) +{ + fhci_dbg(fhci, "-> %s\n", __func__); + + /* clear frame_n */ + out_be16(&fhci->pram->frame_num, 0); + + out_be16(&fhci->regs->usb_sof_tmr, 0); + setbits8(&fhci->regs->usb_mod, USB_MODE_SFTE); + + fhci_dbg(fhci, "<- %s\n", __func__); +} + +void fhci_stop_sof_timer(struct fhci_hcd *fhci) +{ + fhci_dbg(fhci, "-> %s\n", __func__); + + clrbits8(&fhci->regs->usb_mod, USB_MODE_SFTE); + gtm_stop_timer16(fhci->timer); + + fhci_dbg(fhci, "<- %s\n", __func__); +} + +u16 fhci_get_sof_timer_count(struct fhci_usb *usb) +{ + return be16_to_cpu(in_be16(&usb->fhci->regs->usb_sof_tmr) / 12); +} + +/* initialize the endpoint zero */ +static u32 endpoint_zero_init(struct fhci_usb *usb, + enum fhci_mem_alloc data_mem, + u32 ring_len) +{ + u32 rc; + + rc = fhci_create_ep(usb, data_mem, ring_len); + if (rc) + return rc; + + /* inilialize endpoint registers */ + fhci_init_ep_registers(usb, usb->ep0, data_mem); + + return 0; +} + +/* enable the USB interrupts */ +void fhci_usb_enable_interrupt(struct fhci_usb *usb) +{ + struct fhci_hcd *fhci = usb->fhci; + + if (usb->intr_nesting_cnt == 1) { + /* initialize the USB interrupt */ + enable_irq(fhci_to_hcd(fhci)->irq); + + /* initialize the event register and mask register */ + out_be16(&usb->fhci->regs->usb_event, 0xffff); + out_be16(&usb->fhci->regs->usb_mask, usb->saved_msk); + + /* enable the timer interrupts */ + enable_irq(fhci->timer->irq); + } else if (usb->intr_nesting_cnt > 1) + fhci_info(fhci, "unbalanced USB interrupts nesting\n"); + usb->intr_nesting_cnt--; +} + +/* diable the usb interrupt */ +void fhci_usb_disable_interrupt(struct fhci_usb *usb) +{ + struct fhci_hcd *fhci = usb->fhci; + + if (usb->intr_nesting_cnt == 0) { + /* diable the timer interrupt */ + disable_irq_nosync(fhci->timer->irq); + + /* disable the usb interrupt */ + disable_irq_nosync(fhci_to_hcd(fhci)->irq); + out_be16(&usb->fhci->regs->usb_mask, 0); + } + usb->intr_nesting_cnt++; +} + +/* enable the USB controller */ +static u32 fhci_usb_enable(struct fhci_hcd *fhci) +{ + struct fhci_usb *usb = fhci->usb_lld; + + out_be16(&usb->fhci->regs->usb_event, 0xffff); + out_be16(&usb->fhci->regs->usb_mask, usb->saved_msk); + setbits8(&usb->fhci->regs->usb_mod, USB_MODE_EN); + + mdelay(100); + + return 0; +} + +/* disable the USB controller */ +static u32 fhci_usb_disable(struct fhci_hcd *fhci) +{ + struct fhci_usb *usb = fhci->usb_lld; + + fhci_usb_disable_interrupt(usb); + fhci_port_disable(fhci); + + /* disable the usb controller */ + if (usb->port_status == FHCI_PORT_FULL || + usb->port_status == FHCI_PORT_LOW) + fhci_device_disconnected_interrupt(fhci); + + clrbits8(&usb->fhci->regs->usb_mod, USB_MODE_EN); + + return 0; +} + +/* check the bus state by polling the QE bit on the IO ports */ +int fhci_ioports_check_bus_state(struct fhci_hcd *fhci) +{ + u8 bits = 0; + + /* check USBOE,if transmitting,exit */ + if (!gpio_get_value(fhci->gpios[GPIO_USBOE])) + return -1; + + /* check USBRP */ + if (gpio_get_value(fhci->gpios[GPIO_USBRP])) + bits |= 0x2; + + /* check USBRN */ + if (gpio_get_value(fhci->gpios[GPIO_USBRN])) + bits |= 0x1; + + return bits; +} + +static void fhci_mem_free(struct fhci_hcd *fhci) +{ + struct ed *ed; + struct ed *next_ed; + struct td *td; + struct td *next_td; + + list_for_each_entry_safe(ed, next_ed, &fhci->empty_eds, node) { + list_del(&ed->node); + kfree(ed); + } + + list_for_each_entry_safe(td, next_td, &fhci->empty_tds, node) { + list_del(&td->node); + kfree(td); + } + + kfree(fhci->vroot_hub); + fhci->vroot_hub = NULL; + + kfree(fhci->hc_list); + fhci->hc_list = NULL; +} + +static int fhci_mem_init(struct fhci_hcd *fhci) +{ + int i; + + fhci->hc_list = kzalloc(sizeof(*fhci->hc_list), GFP_KERNEL); + if (!fhci->hc_list) + goto err; + + INIT_LIST_HEAD(&fhci->hc_list->ctrl_list); + INIT_LIST_HEAD(&fhci->hc_list->bulk_list); + INIT_LIST_HEAD(&fhci->hc_list->iso_list); + INIT_LIST_HEAD(&fhci->hc_list->intr_list); + INIT_LIST_HEAD(&fhci->hc_list->done_list); + + fhci->vroot_hub = kzalloc(sizeof(*fhci->vroot_hub), GFP_KERNEL); + if (!fhci->vroot_hub) + goto err; + + INIT_LIST_HEAD(&fhci->empty_eds); + INIT_LIST_HEAD(&fhci->empty_tds); + + /* initialize work queue to handle done list */ + fhci_tasklet.data = (unsigned long)fhci; + fhci->process_done_task = &fhci_tasklet; + + for (i = 0; i < MAX_TDS; i++) { + struct td *td; + + td = kmalloc(sizeof(*td), GFP_KERNEL); + if (!td) + goto err; + fhci_recycle_empty_td(fhci, td); + } + for (i = 0; i < MAX_EDS; i++) { + struct ed *ed; + + ed = kmalloc(sizeof(*ed), GFP_KERNEL); + if (!ed) + goto err; + fhci_recycle_empty_ed(fhci, ed); + } + + fhci->active_urbs = 0; + return 0; +err: + fhci_mem_free(fhci); + return -ENOMEM; +} + +/* destroy the fhci_usb structure */ +static void fhci_usb_free(void *lld) +{ + struct fhci_usb *usb = lld; + struct fhci_hcd *fhci = usb->fhci; + + if (usb) { + fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF); + fhci_ep0_free(usb); + kfree(usb->actual_frame); + kfree(usb); + } +} + +/* initialize the USB */ +static int fhci_usb_init(struct fhci_hcd *fhci) +{ + struct fhci_usb *usb = fhci->usb_lld; + + memset_io(usb->fhci->pram, 0, FHCI_PRAM_SIZE); + + usb->port_status = FHCI_PORT_DISABLED; + usb->max_frame_usage = FRAME_TIME_USAGE; + usb->sw_transaction_time = SW_FIX_TIME_BETWEEN_TRANSACTION; + + usb->actual_frame = kzalloc(sizeof(*usb->actual_frame), GFP_KERNEL); + if (!usb->actual_frame) { + fhci_usb_free(usb); + return -ENOMEM; + } + + INIT_LIST_HEAD(&usb->actual_frame->tds_list); + + /* initializing registers on chip, clear frame number */ + out_be16(&fhci->pram->frame_num, 0); + + /* clear rx state */ + out_be32(&fhci->pram->rx_state, 0); + + /* set mask register */ + usb->saved_msk = (USB_E_TXB_MASK | + USB_E_TXE1_MASK | + USB_E_IDLE_MASK | + USB_E_RESET_MASK | USB_E_SFT_MASK | USB_E_MSF_MASK); + + out_8(&usb->fhci->regs->usb_mod, USB_MODE_HOST | USB_MODE_EN); + + /* clearing the mask register */ + out_be16(&usb->fhci->regs->usb_mask, 0); + + /* initialing the event register */ + out_be16(&usb->fhci->regs->usb_event, 0xffff); + + if (endpoint_zero_init(usb, DEFAULT_DATA_MEM, DEFAULT_RING_LEN) != 0) { + fhci_usb_free(usb); + return -EINVAL; + } + + return 0; +} + +/* initialize the fhci_usb struct and the corresponding data staruct */ +static struct fhci_usb *fhci_create_lld(struct fhci_hcd *fhci) +{ + struct fhci_usb *usb; + + /* allocate memory for SCC data structure */ + usb = kzalloc(sizeof(*usb), GFP_KERNEL); + if (!usb) { + fhci_err(fhci, "no memory for SCC data struct\n"); + return NULL; + } + + usb->fhci = fhci; + usb->hc_list = fhci->hc_list; + usb->vroot_hub = fhci->vroot_hub; + + usb->transfer_confirm = fhci_transfer_confirm_callback; + + return usb; +} + +static int fhci_start(struct usb_hcd *hcd) +{ + int ret; + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + + ret = fhci_mem_init(fhci); + if (ret) { + fhci_err(fhci, "failed to allocate memory\n"); + goto err; + } + + fhci->usb_lld = fhci_create_lld(fhci); + if (!fhci->usb_lld) { + fhci_err(fhci, "low level driver config failed\n"); + ret = -ENOMEM; + goto err; + } + + ret = fhci_usb_init(fhci); + if (ret) { + fhci_err(fhci, "low level driver initialize failed\n"); + goto err; + } + + spin_lock_init(&fhci->lock); + + /* connect the virtual root hub */ + fhci->vroot_hub->dev_num = 1; /* this field may be needed to fix */ + fhci->vroot_hub->hub.wHubStatus = 0; + fhci->vroot_hub->hub.wHubChange = 0; + fhci->vroot_hub->port.wPortStatus = 0; + fhci->vroot_hub->port.wPortChange = 0; + + hcd->state = HC_STATE_RUNNING; + + /* + * From here on, khubd concurrently accesses the root + * hub; drivers will be talking to enumerated devices. + * (On restart paths, khubd already knows about the root + * hub and could find work as soon as we wrote FLAG_CF.) + * + * Before this point the HC was idle/ready. After, khubd + * and device drivers may start it running. + */ + fhci_usb_enable(fhci); + return 0; +err: + fhci_mem_free(fhci); + return ret; +} + +static void fhci_stop(struct usb_hcd *hcd) +{ + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + + fhci_usb_disable_interrupt(fhci->usb_lld); + fhci_usb_disable(fhci); + + fhci_usb_free(fhci->usb_lld); + fhci->usb_lld = NULL; + fhci_mem_free(fhci); +} + +static int fhci_urb_enqueue(struct usb_hcd *hcd, struct urb *urb, + gfp_t mem_flags) +{ + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + u32 pipe = urb->pipe; + int ret; + int i; + int size = 0; + struct urb_priv *urb_priv; + unsigned long flags; + + switch (usb_pipetype(pipe)) { + case PIPE_CONTROL: + /* 1 td fro setup,1 for ack */ + size = 2; + case PIPE_BULK: + /* one td for every 4096 bytes(can be upto 8k) */ + size += urb->transfer_buffer_length / 4096; + /* ...add for any remaining bytes... */ + if ((urb->transfer_buffer_length % 4096) != 0) + size++; + /* ..and maybe a zero length packet to wrap it up */ + if (size == 0) + size++; + else if ((urb->transfer_flags & URB_ZERO_PACKET) != 0 + && (urb->transfer_buffer_length + % usb_maxpacket(urb->dev, pipe, + usb_pipeout(pipe))) != 0) + size++; + break; + case PIPE_ISOCHRONOUS: + size = urb->number_of_packets; + if (size <= 0) + return -EINVAL; + for (i = 0; i < urb->number_of_packets; i++) { + urb->iso_frame_desc[i].actual_length = 0; + urb->iso_frame_desc[i].status = (u32) (-EXDEV); + } + break; + case PIPE_INTERRUPT: + size = 1; + } + + /* allocate the private part of the URB */ + urb_priv = kzalloc(sizeof(*urb_priv), mem_flags); + if (!urb_priv) + return -ENOMEM; + + /* allocate the private part of the URB */ + urb_priv->tds = kzalloc(size * sizeof(struct td), mem_flags); + if (!urb_priv->tds) { + kfree(urb_priv); + return -ENOMEM; + } + + spin_lock_irqsave(&fhci->lock, flags); + + ret = usb_hcd_link_urb_to_ep(hcd, urb); + if (ret) + goto err; + + /* fill the private part of the URB */ + urb_priv->num_of_tds = size; + + urb->status = -EINPROGRESS; + urb->actual_length = 0; + urb->error_count = 0; + urb->hcpriv = urb_priv; + + fhci_queue_urb(fhci, urb); +err: + if (ret) { + kfree(urb_priv->tds); + kfree(urb_priv); + } + spin_unlock_irqrestore(&fhci->lock, flags); + return ret; +} + +/* dequeue FHCI URB */ +static int fhci_urb_dequeue(struct usb_hcd *hcd, struct urb *urb, int status) +{ + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + struct fhci_usb *usb = fhci->usb_lld; + int ret = -EINVAL; + unsigned long flags; + + if (!urb || !urb->dev || !urb->dev->bus) + goto out; + + spin_lock_irqsave(&fhci->lock, flags); + + ret = usb_hcd_check_unlink_urb(hcd, urb, status); + if (ret) + goto out2; + + if (usb->port_status != FHCI_PORT_DISABLED) { + struct urb_priv *urb_priv; + + /* + * flag the urb's data for deletion in some upcoming + * SF interrupt's delete list processing + */ + urb_priv = urb->hcpriv; + + if (!urb_priv || (urb_priv->state == URB_DEL)) + goto out2; + + urb_priv->state = URB_DEL; + + /* already pending? */ + urb_priv->ed->state = FHCI_ED_URB_DEL; + } else { + fhci_urb_complete_free(fhci, urb); + } + +out2: + spin_unlock_irqrestore(&fhci->lock, flags); +out: + return ret; +} + +static void fhci_endpoint_disable(struct usb_hcd *hcd, + struct usb_host_endpoint *ep) +{ + struct fhci_hcd *fhci; + struct ed *ed; + unsigned long flags; + + fhci = hcd_to_fhci(hcd); + spin_lock_irqsave(&fhci->lock, flags); + ed = ep->hcpriv; + if (ed) { + while (ed->td_head != NULL) { + struct td *td = fhci_remove_td_from_ed(ed); + fhci_urb_complete_free(fhci, td->urb); + } + fhci_recycle_empty_ed(fhci, ed); + ep->hcpriv = NULL; + } + spin_unlock_irqrestore(&fhci->lock, flags); +} + +static int fhci_get_frame_number(struct usb_hcd *hcd) +{ + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + + return get_frame_num(fhci); +} + +static const struct hc_driver fhci_driver = { + .description = "fsl,usb-fhci", + .product_desc = "FHCI HOST Controller", + .hcd_priv_size = sizeof(struct fhci_hcd), + + /* generic hardware linkage */ + .irq = fhci_irq, + .flags = HCD_USB11 | HCD_MEMORY, + + /* basic lifecycle operation */ + .start = fhci_start, + .stop = fhci_stop, + + /* managing i/o requests and associated device resources */ + .urb_enqueue = fhci_urb_enqueue, + .urb_dequeue = fhci_urb_dequeue, + .endpoint_disable = fhci_endpoint_disable, + + /* scheduling support */ + .get_frame_number = fhci_get_frame_number, + + /* root hub support */ + .hub_status_data = fhci_hub_status_data, + .hub_control = fhci_hub_control, +}; + +static int __devinit of_fhci_probe(struct of_device *ofdev, + const struct of_device_id *ofid) +{ + struct device *dev = &ofdev->dev; + struct device_node *node = ofdev->node; + struct usb_hcd *hcd; + struct fhci_hcd *fhci; + struct resource usb_regs; + unsigned long pram_addr; + unsigned int usb_irq; + const char *sprop; + const u32 *iprop; + int size; + int ret; + int i; + int j; + + if (usb_disabled()) + return -ENODEV; + + sprop = of_get_property(node, "mode", NULL); + if (sprop && strcmp(sprop, "host")) + return -ENODEV; + + hcd = usb_create_hcd(&fhci_driver, dev, dev->bus_id); + if (!hcd) { + dev_err(dev, "could not create hcd\n"); + return -ENOMEM; + } + + fhci = hcd_to_fhci(hcd); + hcd->self.controller = dev; + dev_set_drvdata(dev, hcd); + + iprop = of_get_property(node, "hub-power-budget", &size); + if (iprop && size == sizeof(*iprop)) + hcd->power_budget = *iprop; + + /* FHCI registers. */ + ret = of_address_to_resource(node, 0, &usb_regs); + if (ret) { + dev_err(dev, "could not get regs\n"); + goto err_regs; + } + + hcd->regs = ioremap(usb_regs.start, usb_regs.end - usb_regs.start + 1); + if (!hcd->regs) { + dev_err(dev, "could not ioremap regs\n"); + ret = -ENOMEM; + goto err_regs; + } + fhci->regs = hcd->regs; + + /* Parameter RAM. */ + iprop = of_get_property(node, "reg", &size); + if (!iprop || size < sizeof(*iprop) * 4) { + dev_err(dev, "can't get pram offset\n"); + ret = -EINVAL; + goto err_pram; + } + + pram_addr = cpm_muram_alloc_fixed(iprop[2], FHCI_PRAM_SIZE); + if (IS_ERR_VALUE(pram_addr)) { + dev_err(dev, "failed to allocate usb pram\n"); + ret = -ENOMEM; + goto err_pram; + } + fhci->pram = cpm_muram_addr(pram_addr); + + /* GPIOs and pins */ + for (i = 0; i < NUM_GPIOS; i++) { + int gpio; + enum of_gpio_flags flags; + + gpio = of_get_gpio_flags(node, i, &flags); + fhci->gpios[i] = gpio; + fhci->alow_gpios[i] = flags & OF_GPIO_ACTIVE_LOW; + + if (!gpio_is_valid(gpio)) { + if (i < GPIO_SPEED) { + dev_err(dev, "incorrect GPIO%d: %d\n", + i, gpio); + goto err_gpios; + } else { + dev_info(dev, "assuming board doesn't have " + "%s gpio\n", i == GPIO_SPEED ? + "speed" : "power"); + continue; + } + } + + ret = gpio_request(gpio, dev->bus_id); + if (ret) { + dev_err(dev, "failed to request gpio %d", i); + goto err_gpios; + } + + if (i >= GPIO_SPEED) { + ret = gpio_direction_output(gpio, 0); + if (ret) { + dev_err(dev, "failed to set gpio %d as " + "an output\n", i); + i++; + goto err_gpios; + } + } + } + + for (j = 0; j < NUM_PINS; j++) { + fhci->pins[j] = qe_pin_request(ofdev->node, j); + if (IS_ERR(fhci->pins[j])) { + ret = PTR_ERR(fhci->pins[j]); + dev_err(dev, "can't get pin %d: %d\n", j, ret); + goto err_pins; + } + } + + /* Frame limit timer and its interrupt. */ + fhci->timer = gtm_get_timer16(); + if (IS_ERR(fhci->timer)) { + ret = PTR_ERR(fhci->timer); + dev_err(dev, "failed to request qe timer: %i", ret); + goto err_get_timer; + } + + ret = request_irq(fhci->timer->irq, fhci_frame_limit_timer_irq, + IRQF_DISABLED, "qe timer (usb)", hcd); + if (ret) { + dev_err(dev, "failed to request timer irq"); + goto err_timer_irq; + } + + /* USB Host interrupt. */ + usb_irq = irq_of_parse_and_map(node, 0); + if (usb_irq == NO_IRQ) { + dev_err(dev, "could not get usb irq\n"); + ret = -EINVAL; + goto err_usb_irq; + } + + /* Clocks. */ + sprop = of_get_property(node, "fsl,fullspeed-clock", NULL); + if (sprop) { + fhci->fullspeed_clk = qe_clock_source(sprop); + if (fhci->fullspeed_clk == QE_CLK_DUMMY) { + dev_err(dev, "wrong fullspeed-clock\n"); + ret = -EINVAL; + goto err_clocks; + } + } + + sprop = of_get_property(node, "fsl,lowspeed-clock", NULL); + if (sprop) { + fhci->lowspeed_clk = qe_clock_source(sprop); + if (fhci->lowspeed_clk == QE_CLK_DUMMY) { + dev_err(dev, "wrong lowspeed-clock\n"); + ret = -EINVAL; + goto err_clocks; + } + } + + if (fhci->fullspeed_clk == QE_CLK_NONE && + fhci->lowspeed_clk == QE_CLK_NONE) { + dev_err(dev, "no clocks specified\n"); + ret = -EINVAL; + goto err_clocks; + } + + dev_info(dev, "at 0x%p, irq %d\n", hcd->regs, usb_irq); + + fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF); + + /* Start with full-speed, if possible. */ + if (fhci->fullspeed_clk != QE_CLK_NONE) { + fhci_config_transceiver(fhci, FHCI_PORT_FULL); + qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK); + } else { + fhci_config_transceiver(fhci, FHCI_PORT_LOW); + qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3); + } + + /* Clear and disable any pending interrupts. */ + out_be16(&fhci->regs->usb_event, 0xffff); + out_be16(&fhci->regs->usb_mask, 0); + + ret = usb_add_hcd(hcd, usb_irq, IRQF_DISABLED); + if (ret < 0) + goto err_add_hcd; + + fhci_dfs_create(fhci); + + return 0; + +err_add_hcd: +err_clocks: + irq_dispose_mapping(usb_irq); +err_usb_irq: + free_irq(fhci->timer->irq, hcd); +err_timer_irq: + gtm_put_timer16(fhci->timer); +err_get_timer: +err_pins: + while (--j >= 0) + qe_pin_free(fhci->pins[j]); +err_gpios: + while (--i >= 0) { + if (gpio_is_valid(fhci->gpios[i])) + gpio_free(fhci->gpios[i]); + } + cpm_muram_free(pram_addr); +err_pram: + iounmap(hcd->regs); +err_regs: + usb_put_hcd(hcd); + return ret; +} + +static int __devexit fhci_remove(struct device *dev) +{ + struct usb_hcd *hcd = dev_get_drvdata(dev); + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + int i; + int j; + + usb_remove_hcd(hcd); + free_irq(fhci->timer->irq, hcd); + gtm_put_timer16(fhci->timer); + cpm_muram_free(cpm_muram_offset(fhci->pram)); + for (i = 0; i < NUM_GPIOS; i++) { + if (!gpio_is_valid(fhci->gpios[i])) + continue; + gpio_free(fhci->gpios[i]); + } + for (j = 0; j < NUM_PINS; j++) + qe_pin_free(fhci->pins[j]); + fhci_dfs_destroy(fhci); + usb_put_hcd(hcd); + return 0; +} + +static int __devexit of_fhci_remove(struct of_device *ofdev) +{ + return fhci_remove(&ofdev->dev); +} + +static struct of_device_id of_fhci_match[] = { + { .compatible = "fsl,mpc8323-qe-usb", }, + {}, +}; +MODULE_DEVICE_TABLE(of, of_fhci_match); + +static struct of_platform_driver of_fhci_driver = { + .name = "fsl,usb-fhci", + .match_table = of_fhci_match, + .probe = of_fhci_probe, + .remove = __devexit_p(of_fhci_remove), +}; + +static int __init fhci_module_init(void) +{ + return of_register_platform_driver(&of_fhci_driver); +} +module_init(fhci_module_init); + +static void __exit fhci_module_exit(void) +{ + of_unregister_platform_driver(&of_fhci_driver); +} +module_exit(fhci_module_exit); + +MODULE_DESCRIPTION("USB Freescale Host Controller Interface Driver"); +MODULE_AUTHOR("Shlomi Gridish <gridish@freescale.com>, " + "Jerry Huang <Chang-Ming.Huang@freescale.com>, " + "Anton Vorontsov <avorontsov@ru.mvista.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/usb/host/fhci-hub.c b/drivers/usb/host/fhci-hub.c new file mode 100644 index 0000000..0cfaedc --- /dev/null +++ b/drivers/usb/host/fhci-hub.c @@ -0,0 +1,345 @@ +/* + * Freescale QUICC Engine USB Host Controller Driver + * + * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Shlomi Gridish <gridish@freescale.com> + * Jerry Huang <Chang-Ming.Huang@freescale.com> + * Copyright (c) Logic Product Development, Inc. 2007 + * Peter Barada <peterb@logicpd.com> + * Copyright (c) MontaVista Software, Inc. 2008. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/io.h> +#include <linux/usb.h> +#include <linux/gpio.h> +#include <asm/qe.h> +#include "../core/hcd.h" +#include "fhci.h" + +/* virtual root hub specific descriptor */ +static u8 root_hub_des[] = { + 0x09, /* blength */ + 0x29, /* bDescriptorType;hub-descriptor */ + 0x01, /* bNbrPorts */ + 0x00, /* wHubCharacteristics */ + 0x00, + 0x01, /* bPwrOn2pwrGood;2ms */ + 0x00, /* bHubContrCurrent;0mA */ + 0x00, /* DeviceRemoveable */ + 0xff, /* PortPwrCtrlMask */ +}; + +static void fhci_gpio_set_value(struct fhci_hcd *fhci, int gpio_nr, bool on) +{ + int gpio = fhci->gpios[gpio_nr]; + bool alow = fhci->alow_gpios[gpio_nr]; + + if (!gpio_is_valid(gpio)) + return; + + gpio_set_value(gpio, on ^ alow); + mdelay(5); +} + +void fhci_config_transceiver(struct fhci_hcd *fhci, + enum fhci_port_status status) +{ + fhci_dbg(fhci, "-> %s: %d\n", __func__, status); + + switch (status) { + case FHCI_PORT_POWER_OFF: + fhci_gpio_set_value(fhci, GPIO_POWER, false); + break; + case FHCI_PORT_DISABLED: + case FHCI_PORT_WAITING: + fhci_gpio_set_value(fhci, GPIO_POWER, true); + break; + case FHCI_PORT_LOW: + fhci_gpio_set_value(fhci, GPIO_SPEED, false); + break; + case FHCI_PORT_FULL: + fhci_gpio_set_value(fhci, GPIO_SPEED, true); + break; + default: + WARN_ON(1); + break; + } + + fhci_dbg(fhci, "<- %s: %d\n", __func__, status); +} + +/* disable the USB port by clearing the EN bit in the USBMOD register */ +void fhci_port_disable(struct fhci_hcd *fhci) +{ + struct fhci_usb *usb = (struct fhci_usb *)fhci->usb_lld; + enum fhci_port_status port_status; + + fhci_dbg(fhci, "-> %s\n", __func__); + + fhci_stop_sof_timer(fhci); + + fhci_flush_all_transmissions(usb); + + fhci_usb_disable_interrupt((struct fhci_usb *)fhci->usb_lld); + port_status = usb->port_status; + usb->port_status = FHCI_PORT_DISABLED; + + /* Enable IDLE since we want to know if something comes along */ + usb->saved_msk |= USB_E_IDLE_MASK; + out_be16(&usb->fhci->regs->usb_mask, usb->saved_msk); + + /* check if during the disconnection process attached new device */ + if (port_status == FHCI_PORT_WAITING) + fhci_device_connected_interrupt(fhci); + usb->vroot_hub->port.wPortStatus &= ~USB_PORT_STAT_ENABLE; + usb->vroot_hub->port.wPortChange |= USB_PORT_STAT_C_ENABLE; + fhci_usb_enable_interrupt((struct fhci_usb *)fhci->usb_lld); + + fhci_dbg(fhci, "<- %s\n", __func__); +} + +/* enable the USB port by setting the EN bit in the USBMOD register */ +void fhci_port_enable(void *lld) +{ + struct fhci_usb *usb = (struct fhci_usb *)lld; + struct fhci_hcd *fhci = usb->fhci; + + fhci_dbg(fhci, "-> %s\n", __func__); + + fhci_config_transceiver(fhci, usb->port_status); + + if ((usb->port_status != FHCI_PORT_FULL) && + (usb->port_status != FHCI_PORT_LOW)) + fhci_start_sof_timer(fhci); + + usb->vroot_hub->port.wPortStatus |= USB_PORT_STAT_ENABLE; + usb->vroot_hub->port.wPortChange |= USB_PORT_STAT_C_ENABLE; + + fhci_dbg(fhci, "<- %s\n", __func__); +} + +void fhci_io_port_generate_reset(struct fhci_hcd *fhci) +{ + fhci_dbg(fhci, "-> %s\n", __func__); + + gpio_direction_output(fhci->gpios[GPIO_USBOE], 0); + gpio_direction_output(fhci->gpios[GPIO_USBTP], 0); + gpio_direction_output(fhci->gpios[GPIO_USBTN], 0); + + mdelay(5); + + qe_pin_set_dedicated(fhci->pins[PIN_USBOE]); + qe_pin_set_dedicated(fhci->pins[PIN_USBTP]); + qe_pin_set_dedicated(fhci->pins[PIN_USBTN]); + + fhci_dbg(fhci, "<- %s\n", __func__); +} + +/* generate the RESET condition on the bus */ +void fhci_port_reset(void *lld) +{ + struct fhci_usb *usb = (struct fhci_usb *)lld; + struct fhci_hcd *fhci = usb->fhci; + u8 mode; + u16 mask; + + fhci_dbg(fhci, "-> %s\n", __func__); + + fhci_stop_sof_timer(fhci); + /* disable the USB controller */ + mode = in_8(&fhci->regs->usb_mod); + out_8(&fhci->regs->usb_mod, mode & (~USB_MODE_EN)); + + /* disable idle interrupts */ + mask = in_be16(&fhci->regs->usb_mask); + out_be16(&fhci->regs->usb_mask, mask & (~USB_E_IDLE_MASK)); + + fhci_io_port_generate_reset(fhci); + + /* enable interrupt on this endpoint */ + out_be16(&fhci->regs->usb_mask, mask); + + /* enable the USB controller */ + mode = in_8(&fhci->regs->usb_mod); + out_8(&fhci->regs->usb_mod, mode | USB_MODE_EN); + fhci_start_sof_timer(fhci); + + fhci_dbg(fhci, "<- %s\n", __func__); +} + +int fhci_hub_status_data(struct usb_hcd *hcd, char *buf) +{ + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + int ret = 0; + unsigned long flags; + + fhci_dbg(fhci, "-> %s\n", __func__); + + spin_lock_irqsave(&fhci->lock, flags); + + if (fhci->vroot_hub->port.wPortChange & (USB_PORT_STAT_C_CONNECTION | + USB_PORT_STAT_C_ENABLE | USB_PORT_STAT_C_SUSPEND | + USB_PORT_STAT_C_RESET | USB_PORT_STAT_C_OVERCURRENT)) { + *buf = 1 << 1; + ret = 1; + fhci_dbg(fhci, "-- %s\n", __func__); + } + + spin_unlock_irqrestore(&fhci->lock, flags); + + fhci_dbg(fhci, "<- %s\n", __func__); + + return ret; +} + +int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + u16 wIndex, char *buf, u16 wLength) +{ + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + int retval = 0; + int len = 0; + struct usb_hub_status *hub_status; + struct usb_port_status *port_status; + unsigned long flags; + + spin_lock_irqsave(&fhci->lock, flags); + + fhci_dbg(fhci, "-> %s\n", __func__); + + switch (typeReq) { + case ClearHubFeature: + switch (wValue) { + case C_HUB_LOCAL_POWER: + case C_HUB_OVER_CURRENT: + break; + default: + goto error; + } + break; + case ClearPortFeature: + fhci->vroot_hub->feature &= (1 << wValue); + + switch (wValue) { + case USB_PORT_FEAT_ENABLE: + fhci->vroot_hub->port.wPortStatus &= + ~USB_PORT_STAT_ENABLE; + fhci_port_disable(fhci); + break; + case USB_PORT_FEAT_C_ENABLE: + fhci->vroot_hub->port.wPortChange &= + ~USB_PORT_STAT_C_ENABLE; + break; + case USB_PORT_FEAT_SUSPEND: + fhci->vroot_hub->port.wPortStatus &= + ~USB_PORT_STAT_SUSPEND; + fhci_stop_sof_timer(fhci); + break; + case USB_PORT_FEAT_C_SUSPEND: + fhci->vroot_hub->port.wPortChange &= + ~USB_PORT_STAT_C_SUSPEND; + break; + case USB_PORT_FEAT_POWER: + fhci->vroot_hub->port.wPortStatus &= + ~USB_PORT_STAT_POWER; + fhci_config_transceiver(fhci, FHCI_PORT_POWER_OFF); + break; + case USB_PORT_FEAT_C_CONNECTION: + fhci->vroot_hub->port.wPortChange &= + ~USB_PORT_STAT_C_CONNECTION; + break; + case USB_PORT_FEAT_C_OVER_CURRENT: + fhci->vroot_hub->port.wPortChange &= + ~USB_PORT_STAT_C_OVERCURRENT; + break; + case USB_PORT_FEAT_C_RESET: + fhci->vroot_hub->port.wPortChange &= + ~USB_PORT_STAT_C_RESET; + break; + default: + goto error; + } + break; + case GetHubDescriptor: + memcpy(buf, root_hub_des, sizeof(root_hub_des)); + buf[3] = 0x11; /* per-port power, no ovrcrnt */ + len = (buf[0] < wLength) ? buf[0] : wLength; + break; + case GetHubStatus: + hub_status = (struct usb_hub_status *)buf; + hub_status->wHubStatus = + cpu_to_le16(fhci->vroot_hub->hub.wHubStatus); + hub_status->wHubChange = + cpu_to_le16(fhci->vroot_hub->hub.wHubChange); + len = 4; + break; + case GetPortStatus: + port_status = (struct usb_port_status *)buf; + port_status->wPortStatus = + cpu_to_le16(fhci->vroot_hub->port.wPortStatus); + port_status->wPortChange = + cpu_to_le16(fhci->vroot_hub->port.wPortChange); + len = 4; + break; + case SetHubFeature: + switch (wValue) { + case C_HUB_OVER_CURRENT: + case C_HUB_LOCAL_POWER: + break; + default: + goto error; + } + break; + case SetPortFeature: + fhci->vroot_hub->feature |= (1 << wValue); + + switch (wValue) { + case USB_PORT_FEAT_ENABLE: + fhci->vroot_hub->port.wPortStatus |= + USB_PORT_STAT_ENABLE; + fhci_port_enable(fhci->usb_lld); + break; + case USB_PORT_FEAT_SUSPEND: + fhci->vroot_hub->port.wPortStatus |= + USB_PORT_STAT_SUSPEND; + fhci_stop_sof_timer(fhci); + break; + case USB_PORT_FEAT_RESET: + fhci->vroot_hub->port.wPortStatus |= + USB_PORT_STAT_RESET; + fhci_port_reset(fhci->usb_lld); + fhci->vroot_hub->port.wPortStatus |= + USB_PORT_STAT_ENABLE; + fhci->vroot_hub->port.wPortStatus &= + ~USB_PORT_STAT_RESET; + break; + case USB_PORT_FEAT_POWER: + fhci->vroot_hub->port.wPortStatus |= + USB_PORT_STAT_POWER; + fhci_config_transceiver(fhci, FHCI_PORT_WAITING); + break; + default: + goto error; + } + break; + default: +error: + retval = -EPIPE; + } + + fhci_dbg(fhci, "<- %s\n", __func__); + + spin_unlock_irqrestore(&fhci->lock, flags); + + return retval; +} diff --git a/drivers/usb/host/fhci-mem.c b/drivers/usb/host/fhci-mem.c new file mode 100644 index 0000000..2c0736c --- /dev/null +++ b/drivers/usb/host/fhci-mem.c @@ -0,0 +1,113 @@ +/* + * Freescale QUICC Engine USB Host Controller Driver + * + * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Shlomi Gridish <gridish@freescale.com> + * Jerry Huang <Chang-Ming.Huang@freescale.com> + * Copyright (c) Logic Product Development, Inc. 2007 + * Peter Barada <peterb@logicpd.com> + * Copyright (c) MontaVista Software, Inc. 2008. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/delay.h> +#include <linux/list.h> +#include <linux/usb.h> +#include "../core/hcd.h" +#include "fhci.h" + +static void init_td(struct td *td) +{ + memset(td, 0, sizeof(*td)); + INIT_LIST_HEAD(&td->node); + INIT_LIST_HEAD(&td->frame_lh); +} + +static void init_ed(struct ed *ed) +{ + memset(ed, 0, sizeof(*ed)); + INIT_LIST_HEAD(&ed->td_list); + INIT_LIST_HEAD(&ed->node); +} + +static struct td *get_empty_td(struct fhci_hcd *fhci) +{ + struct td *td; + + if (!list_empty(&fhci->empty_tds)) { + td = list_entry(fhci->empty_tds.next, struct td, node); + list_del(fhci->empty_tds.next); + } else { + td = kmalloc(sizeof(*td), GFP_ATOMIC); + if (!td) + fhci_err(fhci, "No memory to allocate to TD\n"); + else + init_td(td); + } + + return td; +} + +void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td) +{ + init_td(td); + list_add(&td->node, &fhci->empty_tds); +} + +struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci) +{ + struct ed *ed; + + if (!list_empty(&fhci->empty_eds)) { + ed = list_entry(fhci->empty_eds.next, struct ed, node); + list_del(fhci->empty_eds.next); + } else { + ed = kmalloc(sizeof(*ed), GFP_ATOMIC); + if (!ed) + fhci_err(fhci, "No memory to allocate to ED\n"); + else + init_ed(ed); + } + + return ed; +} + +void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed) +{ + init_ed(ed); + list_add(&ed->node, &fhci->empty_eds); +} + +struct td *fhci_td_fill(struct fhci_hcd *fhci, struct urb *urb, + struct urb_priv *urb_priv, struct ed *ed, u16 index, + enum fhci_ta_type type, int toggle, u8 *data, u32 len, + u16 interval, u16 start_frame, bool ioc) +{ + struct td *td = get_empty_td(fhci); + + if (!td) + return NULL; + + td->urb = urb; + td->ed = ed; + td->type = type; + td->toggle = toggle; + td->data = data; + td->len = len; + td->iso_index = index; + td->interval = interval; + td->start_frame = start_frame; + td->ioc = ioc; + td->status = USB_TD_OK; + + urb_priv->tds[index] = td; + + return td; +} diff --git a/drivers/usb/host/fhci-q.c b/drivers/usb/host/fhci-q.c new file mode 100644 index 0000000..b0a1446 --- /dev/null +++ b/drivers/usb/host/fhci-q.c @@ -0,0 +1,284 @@ +/* + * Freescale QUICC Engine USB Host Controller Driver + * + * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Shlomi Gridish <gridish@freescale.com> + * Jerry Huang <Chang-Ming.Huang@freescale.com> + * Copyright (c) Logic Product Development, Inc. 2007 + * Peter Barada <peterb@logicpd.com> + * Copyright (c) MontaVista Software, Inc. 2008. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/errno.h> +#include <linux/list.h> +#include <linux/usb.h> +#include "../core/hcd.h" +#include "fhci.h" + +/* maps the hardware error code to the USB error code */ +static int status_to_error(u32 status) +{ + if (status == USB_TD_OK) + return 0; + else if (status & USB_TD_RX_ER_CRC) + return -EILSEQ; + else if (status & USB_TD_RX_ER_NONOCT) + return -EPROTO; + else if (status & USB_TD_RX_ER_OVERUN) + return -ECOMM; + else if (status & USB_TD_RX_ER_BITSTUFF) + return -EPROTO; + else if (status & USB_TD_RX_ER_PID) + return -EILSEQ; + else if (status & (USB_TD_TX_ER_NAK | USB_TD_TX_ER_TIMEOUT)) + return -ETIMEDOUT; + else if (status & USB_TD_TX_ER_STALL) + return -EPIPE; + else if (status & USB_TD_TX_ER_UNDERUN) + return -ENOSR; + else if (status & USB_TD_RX_DATA_UNDERUN) + return -EREMOTEIO; + else if (status & USB_TD_RX_DATA_OVERUN) + return -EOVERFLOW; + else + return -EINVAL; +} + +void fhci_add_td_to_frame(struct fhci_time_frame *frame, struct td *td) +{ + list_add_tail(&td->frame_lh, &frame->tds_list); +} + +void fhci_add_tds_to_ed(struct ed *ed, struct td **td_list, int number) +{ + int i; + + for (i = 0; i < number; i++) { + struct td *td = td_list[i]; + list_add_tail(&td->node, &ed->td_list); + } + if (ed->td_head == NULL) + ed->td_head = td_list[0]; +} + +static struct td *peek_td_from_ed(struct ed *ed) +{ + struct td *td; + + if (!list_empty(&ed->td_list)) + td = list_entry(ed->td_list.next, struct td, node); + else + td = NULL; + + return td; +} + +struct td *fhci_remove_td_from_frame(struct fhci_time_frame *frame) +{ + struct td *td; + + if (!list_empty(&frame->tds_list)) { + td = list_entry(frame->tds_list.next, struct td, frame_lh); + list_del_init(frame->tds_list.next); + } else + td = NULL; + + return td; +} + +struct td *fhci_peek_td_from_frame(struct fhci_time_frame *frame) +{ + struct td *td; + + if (!list_empty(&frame->tds_list)) + td = list_entry(frame->tds_list.next, struct td, frame_lh); + else + td = NULL; + + return td; +} + +struct td *fhci_remove_td_from_ed(struct ed *ed) +{ + struct td *td; + + if (!list_empty(&ed->td_list)) { + td = list_entry(ed->td_list.next, struct td, node); + list_del_init(ed->td_list.next); + + /* if this TD was the ED's head, find next TD */ + if (!list_empty(&ed->td_list)) + ed->td_head = list_entry(ed->td_list.next, struct td, + node); + else + ed->td_head = NULL; + } else + td = NULL; + + return td; +} + +struct td *fhci_remove_td_from_done_list(struct fhci_controller_list *p_list) +{ + struct td *td; + + if (!list_empty(&p_list->done_list)) { + td = list_entry(p_list->done_list.next, struct td, node); + list_del_init(p_list->done_list.next); + } else + td = NULL; + + return td; +} + +void fhci_move_td_from_ed_to_done_list(struct fhci_usb *usb, struct ed *ed) +{ + struct td *td; + + td = ed->td_head; + list_del_init(&td->node); + + /* If this TD was the ED's head,find next TD */ + if (!list_empty(&ed->td_list)) + ed->td_head = list_entry(ed->td_list.next, struct td, node); + else { + ed->td_head = NULL; + ed->state = FHCI_ED_SKIP; + } + ed->toggle_carry = td->toggle; + list_add_tail(&td->node, &usb->hc_list->done_list); + if (td->ioc) + usb->transfer_confirm(usb->fhci); +} + +/* free done FHCI URB resource such as ED and TD */ +static void free_urb_priv(struct fhci_hcd *fhci, struct urb *urb) +{ + int i; + struct urb_priv *urb_priv = urb->hcpriv; + struct ed *ed = urb_priv->ed; + + for (i = 0; i < urb_priv->num_of_tds; i++) { + list_del_init(&urb_priv->tds[i]->node); + fhci_recycle_empty_td(fhci, urb_priv->tds[i]); + } + + /* if this TD was the ED's head,find the next TD */ + if (!list_empty(&ed->td_list)) + ed->td_head = list_entry(ed->td_list.next, struct td, node); + else + ed->td_head = NULL; + + kfree(urb_priv->tds); + kfree(urb_priv); + urb->hcpriv = NULL; + + /* if this TD was the ED's head,find next TD */ + if (ed->td_head == NULL) + list_del_init(&ed->node); + fhci->active_urbs--; +} + +/* this routine called to complete and free done URB */ +void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb) +{ + free_urb_priv(fhci, urb); + + if (urb->status == -EINPROGRESS) { + if (urb->actual_length != urb->transfer_buffer_length && + urb->transfer_flags & URB_SHORT_NOT_OK) + urb->status = -EREMOTEIO; + else + urb->status = 0; + } + + usb_hcd_unlink_urb_from_ep(fhci_to_hcd(fhci), urb); + + spin_unlock(&fhci->lock); + + usb_hcd_giveback_urb(fhci_to_hcd(fhci), urb, urb->status); + + spin_lock(&fhci->lock); +} + +/* + * caculate transfer length/stats and update the urb + * Precondition: irqsafe(only for urb-?status locking) + */ +void fhci_done_td(struct urb *urb, struct td *td) +{ + struct ed *ed = td->ed; + u32 cc = td->status; + + /* ISO...drivers see per-TD length/status */ + if (ed->mode == FHCI_TF_ISO) { + u32 len; + if (!(urb->transfer_flags & URB_SHORT_NOT_OK && + cc == USB_TD_RX_DATA_UNDERUN)) + cc = USB_TD_OK; + + if (usb_pipeout(urb->pipe)) + len = urb->iso_frame_desc[td->iso_index].length; + else + len = td->actual_len; + + urb->actual_length += len; + urb->iso_frame_desc[td->iso_index].actual_length = len; + urb->iso_frame_desc[td->iso_index].status = + status_to_error(cc); + } + + /* BULK,INT,CONTROL... drivers see aggregate length/status, + * except that "setup" bytes aren't counted and "short" transfers + * might not be reported as errors. + */ + else { + if (td->error_cnt >= 3) + urb->error_count = 3; + + /* control endpoint only have soft stalls */ + + /* update packet status if needed(short may be ok) */ + if (!(urb->transfer_flags & URB_SHORT_NOT_OK) && + cc == USB_TD_RX_DATA_UNDERUN) { + ed->state = FHCI_ED_OPER; + cc = USB_TD_OK; + } + if (cc != USB_TD_OK) { + if (urb->status == -EINPROGRESS) + urb->status = status_to_error(cc); + } + + /* count all non-empty packets except control SETUP packet */ + if (td->type != FHCI_TA_SETUP || td->iso_index != 0) + urb->actual_length += td->actual_len; + } +} + +/* there are some pedning request to unlink */ +void fhci_del_ed_list(struct fhci_hcd *fhci, struct ed *ed) +{ + struct td *td = peek_td_from_ed(ed); + struct urb *urb = td->urb; + struct urb_priv *urb_priv = urb->hcpriv; + + if (urb_priv->state == URB_DEL) { + td = fhci_remove_td_from_ed(ed); + /* HC may have partly processed this TD */ + if (td->status != USB_TD_INPROGRESS) + fhci_done_td(urb, td); + + /* URB is done;clean up */ + if (++(urb_priv->tds_cnt) == urb_priv->num_of_tds) + fhci_urb_complete_free(fhci, urb); + } +} diff --git a/drivers/usb/host/fhci-sched.c b/drivers/usb/host/fhci-sched.c new file mode 100644 index 0000000..bb63b68 --- /dev/null +++ b/drivers/usb/host/fhci-sched.c @@ -0,0 +1,888 @@ +/* + * Freescale QUICC Engine USB Host Controller Driver + * + * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Shlomi Gridish <gridish@freescale.com> + * Jerry Huang <Chang-Ming.Huang@freescale.com> + * Copyright (c) Logic Product Development, Inc. 2007 + * Peter Barada <peterb@logicpd.com> + * Copyright (c) MontaVista Software, Inc. 2008. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/list.h> +#include <linux/interrupt.h> +#include <linux/io.h> +#include <linux/usb.h> +#include <asm/qe.h> +#include <asm/fsl_gtm.h> +#include "../core/hcd.h" +#include "fhci.h" + +static void recycle_frame(struct fhci_usb *usb, struct packet *pkt) +{ + pkt->data = NULL; + pkt->len = 0; + pkt->status = USB_TD_OK; + pkt->info = 0; + pkt->priv_data = NULL; + + cq_put(usb->ep0->empty_frame_Q, pkt); +} + +/* confirm submitted packet */ +void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt) +{ + struct td *td; + struct packet *td_pkt; + struct ed *ed; + u32 trans_len; + bool td_done = false; + + td = fhci_remove_td_from_frame(usb->actual_frame); + td_pkt = td->pkt; + trans_len = pkt->len; + td->status = pkt->status; + if (td->type == FHCI_TA_IN && td_pkt->info & PKT_DUMMY_PACKET) { + if ((td->data + td->actual_len) && trans_len) + memcpy(td->data + td->actual_len, pkt->data, + trans_len); + cq_put(usb->ep0->dummy_packets_Q, pkt->data); + } + + recycle_frame(usb, pkt); + + ed = td->ed; + if (ed->mode == FHCI_TF_ISO) { + if (ed->td_list.next->next != &ed->td_list) { + struct td *td_next = + list_entry(ed->td_list.next->next, struct td, + node); + + td_next->start_frame = usb->actual_frame->frame_num; + } + td->actual_len = trans_len; + td_done = true; + } else if ((td->status & USB_TD_ERROR) && + !(td->status & USB_TD_TX_ER_NAK)) { + /* + * There was an error on the transaction (but not NAK). + * If it is fatal error (data underrun, stall, bad pid or 3 + * errors exceeded), mark this TD as done. + */ + if ((td->status & USB_TD_RX_DATA_UNDERUN) || + (td->status & USB_TD_TX_ER_STALL) || + (td->status & USB_TD_RX_ER_PID) || + (++td->error_cnt >= 3)) { + ed->state = FHCI_ED_HALTED; + td_done = true; + + if (td->status & USB_TD_RX_DATA_UNDERUN) { + fhci_dbg(usb->fhci, "td err fu\n"); + td->toggle = !td->toggle; + td->actual_len += trans_len; + } else { + fhci_dbg(usb->fhci, "td err f!u\n"); + } + } else { + fhci_dbg(usb->fhci, "td err !f\n"); + /* it is not a fatal error -retry this transaction */ + td->nak_cnt = 0; + td->error_cnt++; + td->status = USB_TD_OK; + } + } else if (td->status & USB_TD_TX_ER_NAK) { + /* there was a NAK response */ + fhci_vdbg(usb->fhci, "td nack\n"); + td->nak_cnt++; + td->error_cnt = 0; + td->status = USB_TD_OK; + } else { + /* there was no error on transaction */ + td->error_cnt = 0; + td->nak_cnt = 0; + td->toggle = !td->toggle; + td->actual_len += trans_len; + + if (td->len == td->actual_len) + td_done = true; + } + + if (td_done) + fhci_move_td_from_ed_to_done_list(usb, ed); +} + +/* + * Flush all transmitted packets from BDs + * This routine is called when disabling the USB port to flush all + * transmissions that are allready scheduled in the BDs + */ +void fhci_flush_all_transmissions(struct fhci_usb *usb) +{ + u8 mode; + struct td *td; + + mode = in_8(&usb->fhci->regs->usb_mod); + clrbits8(&usb->fhci->regs->usb_mod, USB_MODE_EN); + + fhci_flush_bds(usb); + + while ((td = fhci_peek_td_from_frame(usb->actual_frame)) != NULL) { + struct packet *pkt = td->pkt; + + pkt->status = USB_TD_TX_ER_TIMEOUT; + fhci_transaction_confirm(usb, pkt); + } + + usb->actual_frame->frame_status = FRAME_END_TRANSMISSION; + + /* reset the event register */ + out_be16(&usb->fhci->regs->usb_event, 0xffff); + /* enable the USB controller */ + out_8(&usb->fhci->regs->usb_mod, mode | USB_MODE_EN); +} + +/* + * This function forms the packet and transmit the packet. This function + * will handle all endpoint type:ISO,interrupt,control and bulk + */ +static int add_packet(struct fhci_usb *usb, struct ed *ed, struct td *td) +{ + u32 fw_transaction_time, len = 0; + struct packet *pkt; + u8 *data = NULL; + + /* calcalate data address,len and toggle and then add the transaction */ + if (td->toggle == USB_TD_TOGGLE_CARRY) + td->toggle = ed->toggle_carry; + + switch (ed->mode) { + case FHCI_TF_ISO: + len = td->len; + if (td->type != FHCI_TA_IN) + data = td->data; + break; + case FHCI_TF_CTRL: + case FHCI_TF_BULK: + len = min(td->len - td->actual_len, ed->max_pkt_size); + if (!((td->type == FHCI_TA_IN) && + ((len + td->actual_len) == td->len))) + data = td->data + td->actual_len; + break; + case FHCI_TF_INTR: + len = min(td->len, ed->max_pkt_size); + if (!((td->type == FHCI_TA_IN) && + ((td->len + CRC_SIZE) >= ed->max_pkt_size))) + data = td->data; + break; + default: + break; + } + + if (usb->port_status == FHCI_PORT_FULL) + fw_transaction_time = (((len + PROTOCOL_OVERHEAD) * 11) >> 4); + else + fw_transaction_time = ((len + PROTOCOL_OVERHEAD) * 6); + + /* check if there's enough space in this frame to submit this TD */ + if (usb->actual_frame->total_bytes + len + PROTOCOL_OVERHEAD >= + usb->max_bytes_per_frame) { + fhci_vdbg(usb->fhci, "not enough space in this frame: " + "%d %d %d\n", usb->actual_frame->total_bytes, len, + usb->max_bytes_per_frame); + return -1; + } + + /* check if there's enough time in this frame to submit this TD */ + if (usb->actual_frame->frame_status != FRAME_IS_PREPARED && + (usb->actual_frame->frame_status & FRAME_END_TRANSMISSION || + (fw_transaction_time + usb->sw_transaction_time >= + 1000 - fhci_get_sof_timer_count(usb)))) { + fhci_dbg(usb->fhci, "not enough time in this frame\n"); + return -1; + } + + /* update frame object fields before transmitting */ + pkt = cq_get(usb->ep0->empty_frame_Q); + if (!pkt) { + fhci_dbg(usb->fhci, "there is no empty frame\n"); + return -1; + } + td->pkt = pkt; + + pkt->info = 0; + if (data == NULL) { + data = cq_get(usb->ep0->dummy_packets_Q); + BUG_ON(!data); + pkt->info = PKT_DUMMY_PACKET; + } + pkt->data = data; + pkt->len = len; + pkt->status = USB_TD_OK; + /* update TD status field before transmitting */ + td->status = USB_TD_INPROGRESS; + /* update actual frame time object with the actual transmission */ + usb->actual_frame->total_bytes += (len + PROTOCOL_OVERHEAD); + fhci_add_td_to_frame(usb->actual_frame, td); + + if (usb->port_status != FHCI_PORT_FULL && + usb->port_status != FHCI_PORT_LOW) { + pkt->status = USB_TD_TX_ER_TIMEOUT; + pkt->len = 0; + fhci_transaction_confirm(usb, pkt); + } else if (fhci_host_transaction(usb, pkt, td->type, ed->dev_addr, + ed->ep_addr, ed->mode, ed->speed, td->toggle)) { + /* remove TD from actual frame */ + list_del_init(&td->frame_lh); + td->status = USB_TD_OK; + if (pkt->info & PKT_DUMMY_PACKET) + cq_put(usb->ep0->dummy_packets_Q, pkt->data); + recycle_frame(usb, pkt); + usb->actual_frame->total_bytes -= (len + PROTOCOL_OVERHEAD); + fhci_err(usb->fhci, "host transaction failed\n"); + return -1; + } + + return len; +} + +static void move_head_to_tail(struct list_head *list) +{ + struct list_head *node = list->next; + + if (!list_empty(list)) { + list_del(node); + list_add_tail(node, list); + } +} + +/* + * This function goes through the endpoint list and schedules the + * transactions within this list + */ +static int scan_ed_list(struct fhci_usb *usb, + struct list_head *list, enum fhci_tf_mode list_type) +{ + static const int frame_part[4] = { + [FHCI_TF_CTRL] = MAX_BYTES_PER_FRAME, + [FHCI_TF_ISO] = (MAX_BYTES_PER_FRAME * + MAX_PERIODIC_FRAME_USAGE) / 100, + [FHCI_TF_BULK] = MAX_BYTES_PER_FRAME, + [FHCI_TF_INTR] = (MAX_BYTES_PER_FRAME * + MAX_PERIODIC_FRAME_USAGE) / 100 + }; + struct ed *ed; + struct td *td; + int ans = 1; + u32 save_transaction_time = usb->sw_transaction_time; + + list_for_each_entry(ed, list, node) { + td = ed->td_head; + + if (!td || (td && td->status == USB_TD_INPROGRESS)) + continue; + + if (ed->state != FHCI_ED_OPER) { + if (ed->state == FHCI_ED_URB_DEL) { + td->status = USB_TD_OK; + fhci_move_td_from_ed_to_done_list(usb, ed); + ed->state = FHCI_ED_SKIP; + } + continue; + } + + /* + * if it isn't interrupt pipe or it is not iso pipe and the + * interval time passed + */ + if ((list_type == FHCI_TF_INTR || list_type == FHCI_TF_ISO) && + (((usb->actual_frame->frame_num - + td->start_frame) & 0x7ff) < td->interval)) + continue; + + if (add_packet(usb, ed, td) < 0) + continue; + + /* update time stamps in the TD */ + td->start_frame = usb->actual_frame->frame_num; + usb->sw_transaction_time += save_transaction_time; + + if (usb->actual_frame->total_bytes >= + usb->max_bytes_per_frame) { + usb->actual_frame->frame_status = + FRAME_DATA_END_TRANSMISSION; + fhci_push_dummy_bd(usb->ep0); + ans = 0; + break; + } + + if (usb->actual_frame->total_bytes >= frame_part[list_type]) + break; + } + + /* be fair to each ED(move list head around) */ + move_head_to_tail(list); + usb->sw_transaction_time = save_transaction_time; + + return ans; +} + +static u32 rotate_frames(struct fhci_usb *usb) +{ + struct fhci_hcd *fhci = usb->fhci; + + if (!list_empty(&usb->actual_frame->tds_list)) { + if ((((in_be16(&fhci->pram->frame_num) & 0x07ff) - + usb->actual_frame->frame_num) & 0x7ff) > 5) + fhci_flush_actual_frame(usb); + else + return -EINVAL; + } + + usb->actual_frame->frame_status = FRAME_IS_PREPARED; + usb->actual_frame->frame_num = in_be16(&fhci->pram->frame_num) & 0x7ff; + usb->actual_frame->total_bytes = 0; + + return 0; +} + +/* + * This function schedule the USB transaction and will process the + * endpoint in the following order: iso, interrupt, control and bulk. + */ +void fhci_schedule_transactions(struct fhci_usb *usb) +{ + int left = 1; + + if (usb->actual_frame->frame_status & FRAME_END_TRANSMISSION) + if (rotate_frames(usb) != 0) + return; + + if (usb->actual_frame->frame_status & FRAME_END_TRANSMISSION) + return; + + if (usb->actual_frame->total_bytes == 0) { + /* + * schedule the next available ISO transfer + *or next stage of the ISO transfer + */ + scan_ed_list(usb, &usb->hc_list->iso_list, FHCI_TF_ISO); + + /* + * schedule the next available interrupt transfer or + * the next stage of the interrupt transfer + */ + scan_ed_list(usb, &usb->hc_list->intr_list, FHCI_TF_INTR); + + /* + * schedule the next available control transfer + * or the next stage of the control transfer + */ + left = scan_ed_list(usb, &usb->hc_list->ctrl_list, + FHCI_TF_CTRL); + } + + /* + * schedule the next available bulk transfer or the next stage of the + * bulk transfer + */ + if (left > 0) + scan_ed_list(usb, &usb->hc_list->bulk_list, FHCI_TF_BULK); +} + +/* Handles SOF interrupt */ +static void sof_interrupt(struct fhci_hcd *fhci) +{ + struct fhci_usb *usb = fhci->usb_lld; + + if ((usb->port_status == FHCI_PORT_DISABLED) && + (usb->vroot_hub->port.wPortStatus & USB_PORT_STAT_CONNECTION) && + !(usb->vroot_hub->port.wPortChange & USB_PORT_STAT_C_CONNECTION)) { + if (usb->vroot_hub->port.wPortStatus & USB_PORT_STAT_LOW_SPEED) + usb->port_status = FHCI_PORT_LOW; + else + usb->port_status = FHCI_PORT_FULL; + /* Disable IDLE */ + usb->saved_msk &= ~USB_E_IDLE_MASK; + out_be16(&usb->fhci->regs->usb_mask, usb->saved_msk); + } + + gtm_set_exact_timer16(fhci->timer, usb->max_frame_usage, false); + + fhci_host_transmit_actual_frame(usb); + usb->actual_frame->frame_status = FRAME_IS_TRANSMITTED; + + fhci_schedule_transactions(usb); +} + +/* Handles device disconnected interrupt on port */ +void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci) +{ + struct fhci_usb *usb = fhci->usb_lld; + + fhci_dbg(fhci, "-> %s\n", __func__); + + fhci_usb_disable_interrupt(usb); + clrbits8(&usb->fhci->regs->usb_mod, USB_MODE_LSS); + usb->port_status = FHCI_PORT_DISABLED; + + fhci_stop_sof_timer(fhci); + + /* Enable IDLE since we want to know if something comes along */ + usb->saved_msk |= USB_E_IDLE_MASK; + out_be16(&usb->fhci->regs->usb_mask, usb->saved_msk); + + usb->vroot_hub->port.wPortStatus &= ~USB_PORT_STAT_CONNECTION; + usb->vroot_hub->port.wPortChange |= USB_PORT_STAT_C_CONNECTION; + usb->max_bytes_per_frame = 0; + fhci_usb_enable_interrupt(usb); + + fhci_dbg(fhci, "<- %s\n", __func__); +} + +/* detect a new device connected on the USB port */ +void fhci_device_connected_interrupt(struct fhci_hcd *fhci) +{ + + struct fhci_usb *usb = fhci->usb_lld; + int state; + int ret; + + fhci_dbg(fhci, "-> %s\n", __func__); + + fhci_usb_disable_interrupt(usb); + state = fhci_ioports_check_bus_state(fhci); + + /* low-speed device was connected to the USB port */ + if (state == 1) { + ret = qe_usb_clock_set(fhci->lowspeed_clk, USB_CLOCK >> 3); + if (ret) { + fhci_warn(fhci, "Low-Speed device is not supported, " + "try use BRGx\n"); + goto out; + } + + usb->port_status = FHCI_PORT_LOW; + setbits8(&usb->fhci->regs->usb_mod, USB_MODE_LSS); + usb->vroot_hub->port.wPortStatus |= + (USB_PORT_STAT_LOW_SPEED | + USB_PORT_STAT_CONNECTION); + usb->vroot_hub->port.wPortChange |= + USB_PORT_STAT_C_CONNECTION; + usb->max_bytes_per_frame = + (MAX_BYTES_PER_FRAME >> 3) - 7; + fhci_port_enable(usb); + } else if (state == 2) { + ret = qe_usb_clock_set(fhci->fullspeed_clk, USB_CLOCK); + if (ret) { + fhci_warn(fhci, "Full-Speed device is not supported, " + "try use CLKx\n"); + goto out; + } + + usb->port_status = FHCI_PORT_FULL; + clrbits8(&usb->fhci->regs->usb_mod, USB_MODE_LSS); + usb->vroot_hub->port.wPortStatus &= + ~USB_PORT_STAT_LOW_SPEED; + usb->vroot_hub->port.wPortStatus |= + USB_PORT_STAT_CONNECTION; + usb->vroot_hub->port.wPortChange |= + USB_PORT_STAT_C_CONNECTION; + usb->max_bytes_per_frame = (MAX_BYTES_PER_FRAME - 15); + fhci_port_enable(usb); + } +out: + fhci_usb_enable_interrupt(usb); + fhci_dbg(fhci, "<- %s\n", __func__); +} + +irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd) +{ + struct usb_hcd *hcd = _hcd; + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + struct fhci_usb *usb = fhci->usb_lld; + + spin_lock(&fhci->lock); + + gtm_set_exact_timer16(fhci->timer, 1000, false); + + if (usb->actual_frame->frame_status == FRAME_IS_TRANSMITTED) { + usb->actual_frame->frame_status = FRAME_TIMER_END_TRANSMISSION; + fhci_push_dummy_bd(usb->ep0); + } + + fhci_schedule_transactions(usb); + + spin_unlock(&fhci->lock); + + return IRQ_HANDLED; +} + +/* Cancel transmission on the USB endpoint */ +static void abort_transmission(struct fhci_usb *usb) +{ + fhci_dbg(usb->fhci, "-> %s\n", __func__); + /* issue stop Tx command */ + qe_issue_cmd(QE_USB_STOP_TX, QE_CR_SUBBLOCK_USB, EP_ZERO, 0); + /* flush Tx FIFOs */ + out_8(&usb->fhci->regs->usb_comm, USB_CMD_FLUSH_FIFO | EP_ZERO); + udelay(1000); + /* reset Tx BDs */ + fhci_flush_bds(usb); + /* issue restart Tx command */ + qe_issue_cmd(QE_USB_RESTART_TX, QE_CR_SUBBLOCK_USB, EP_ZERO, 0); + fhci_dbg(usb->fhci, "<- %s\n", __func__); +} + +irqreturn_t fhci_irq(struct usb_hcd *hcd) +{ + struct fhci_hcd *fhci = hcd_to_fhci(hcd); + struct fhci_usb *usb; + u16 usb_er = 0; + unsigned long flags; + + spin_lock_irqsave(&fhci->lock, flags); + + usb = fhci->usb_lld; + + usb_er |= in_be16(&usb->fhci->regs->usb_event) & + in_be16(&usb->fhci->regs->usb_mask); + + /* clear event bits for next time */ + out_be16(&usb->fhci->regs->usb_event, usb_er); + + fhci_dbg_isr(fhci, usb_er); + + if (usb_er & USB_E_RESET_MASK) { + if ((usb->port_status == FHCI_PORT_FULL) || + (usb->port_status == FHCI_PORT_LOW)) { + fhci_device_disconnected_interrupt(fhci); + usb_er &= ~USB_E_IDLE_MASK; + } else if (usb->port_status == FHCI_PORT_WAITING) { + usb->port_status = FHCI_PORT_DISCONNECTING; + + /* Turn on IDLE since we want to disconnect */ + usb->saved_msk |= USB_E_IDLE_MASK; + out_be16(&usb->fhci->regs->usb_event, + usb->saved_msk); + } else if (usb->port_status == FHCI_PORT_DISABLED) { + if (fhci_ioports_check_bus_state(fhci) == 1 && + usb->port_status != FHCI_PORT_LOW && + usb->port_status != FHCI_PORT_FULL) + fhci_device_connected_interrupt(fhci); + } + usb_er &= ~USB_E_RESET_MASK; + } + + if (usb_er & USB_E_MSF_MASK) { + abort_transmission(fhci->usb_lld); + usb_er &= ~USB_E_MSF_MASK; + } + + if (usb_er & (USB_E_SOF_MASK | USB_E_SFT_MASK)) { + sof_interrupt(fhci); + usb_er &= ~(USB_E_SOF_MASK | USB_E_SFT_MASK); + } + + if (usb_er & USB_E_TXB_MASK) { + fhci_tx_conf_interrupt(fhci->usb_lld); + usb_er &= ~USB_E_TXB_MASK; + } + + if (usb_er & USB_E_TXE1_MASK) { + fhci_tx_conf_interrupt(fhci->usb_lld); + usb_er &= ~USB_E_TXE1_MASK; + } + + if (usb_er & USB_E_IDLE_MASK) { + if (usb->port_status == FHCI_PORT_DISABLED && + usb->port_status != FHCI_PORT_LOW && + usb->port_status != FHCI_PORT_FULL) { + usb_er &= ~USB_E_RESET_MASK; + fhci_device_connected_interrupt(fhci); + } else if (usb->port_status == + FHCI_PORT_DISCONNECTING) { + /* XXX usb->port_status = FHCI_PORT_WAITING; */ + /* Disable IDLE */ + usb->saved_msk &= ~USB_E_IDLE_MASK; + out_be16(&usb->fhci->regs->usb_mask, + usb->saved_msk); + } else { + fhci_dbg_isr(fhci, -1); + } + + usb_er &= ~USB_E_IDLE_MASK; + } + + spin_unlock_irqrestore(&fhci->lock, flags); + + return IRQ_HANDLED; +} + + +/* + * Process normal completions(error or sucess) and clean the schedule. + * + * This is the main path for handing urbs back to drivers. The only other patth + * is process_del_list(),which unlinks URBs by scanning EDs,instead of scanning + * the (re-reversed) done list as this does. + */ +static void process_done_list(unsigned long data) +{ + struct urb *urb; + struct ed *ed; + struct td *td; + struct urb_priv *urb_priv; + struct fhci_hcd *fhci = (struct fhci_hcd *)data; + + disable_irq(fhci->timer->irq); + disable_irq(fhci_to_hcd(fhci)->irq); + spin_lock(&fhci->lock); + + td = fhci_remove_td_from_done_list(fhci->hc_list); + while (td != NULL) { + urb = td->urb; + urb_priv = urb->hcpriv; + ed = td->ed; + + /* update URB's length and status from TD */ + fhci_done_td(urb, td); + urb_priv->tds_cnt++; + + /* + * if all this urb's TDs are done, call complete() + * Interrupt transfers are the onley special case: + * they are reissued,until "deleted" by usb_unlink_urb + * (real work done in a SOF intr, by process_del_list) + */ + if (urb_priv->tds_cnt == urb_priv->num_of_tds) { + fhci_urb_complete_free(fhci, urb); + } else if (urb_priv->state == URB_DEL && + ed->state == FHCI_ED_SKIP) { + fhci_del_ed_list(fhci, ed); + ed->state = FHCI_ED_OPER; + } else if (ed->state == FHCI_ED_HALTED) { + urb_priv->state = URB_DEL; + ed->state = FHCI_ED_URB_DEL; + fhci_del_ed_list(fhci, ed); + ed->state = FHCI_ED_OPER; + } + + td = fhci_remove_td_from_done_list(fhci->hc_list); + } + + spin_unlock(&fhci->lock); + enable_irq(fhci->timer->irq); + enable_irq(fhci_to_hcd(fhci)->irq); +} + +DECLARE_TASKLET(fhci_tasklet, process_done_list, 0); + +/* transfer complted callback */ +u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci) +{ + if (!fhci->process_done_task->state) + tasklet_schedule(fhci->process_done_task); + return 0; +} + +/* + * adds urb to the endpoint descriptor list + * arguments: + * fhci data structure for the Low level host controller + * ep USB Host endpoint data structure + * urb USB request block data structure + */ +void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb) +{ + struct ed *ed = urb->ep->hcpriv; + struct urb_priv *urb_priv = urb->hcpriv; + u32 data_len = urb->transfer_buffer_length; + int urb_state = 0; + int toggle = 0; + struct td *td; + u8 *data; + u16 cnt = 0; + + if (ed == NULL) { + ed = fhci_get_empty_ed(fhci); + ed->dev_addr = usb_pipedevice(urb->pipe); + ed->ep_addr = usb_pipeendpoint(urb->pipe); + switch (usb_pipetype(urb->pipe)) { + case PIPE_CONTROL: + ed->mode = FHCI_TF_CTRL; + break; + case PIPE_BULK: + ed->mode = FHCI_TF_BULK; + break; + case PIPE_INTERRUPT: + ed->mode = FHCI_TF_INTR; + break; + case PIPE_ISOCHRONOUS: + ed->mode = FHCI_TF_ISO; + break; + default: + break; + } + ed->speed = (urb->dev->speed == USB_SPEED_LOW) ? + FHCI_LOW_SPEED : FHCI_FULL_SPEED; + ed->max_pkt_size = usb_maxpacket(urb->dev, + urb->pipe, usb_pipeout(urb->pipe)); + urb->ep->hcpriv = ed; + fhci_dbg(fhci, "new ep speed=%d max_pkt_size=%d\n", + ed->speed, ed->max_pkt_size); + } + + /* for ISO transfer calculate start frame index */ + if (ed->mode == FHCI_TF_ISO && urb->transfer_flags & URB_ISO_ASAP) + urb->start_frame = ed->td_head ? ed->last_iso + 1 : + get_frame_num(fhci); + + /* + * OHCI handles the DATA toggle itself,we just use the USB + * toggle bits + */ + if (usb_gettoggle(urb->dev, usb_pipeendpoint(urb->pipe), + usb_pipeout(urb->pipe))) + toggle = USB_TD_TOGGLE_CARRY; + else { + toggle = USB_TD_TOGGLE_DATA0; + usb_settoggle(urb->dev, usb_pipeendpoint(urb->pipe), + usb_pipeout(urb->pipe), 1); + } + + urb_priv->tds_cnt = 0; + urb_priv->ed = ed; + if (data_len > 0) + data = urb->transfer_buffer; + else + data = NULL; + + switch (ed->mode) { + case FHCI_TF_BULK: + if (urb->transfer_flags & URB_ZERO_PACKET && + urb->transfer_buffer_length > 0 && + ((urb->transfer_buffer_length % + usb_maxpacket(urb->dev, urb->pipe, + usb_pipeout(urb->pipe))) == 0)) + urb_state = US_BULK0; + while (data_len > 4096) { + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt, + usb_pipeout(urb->pipe) ? FHCI_TA_OUT : + FHCI_TA_IN, + cnt ? USB_TD_TOGGLE_CARRY : + toggle, + data, 4096, 0, 0, true); + data += 4096; + data_len -= 4096; + cnt++; + } + + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt, + usb_pipeout(urb->pipe) ? FHCI_TA_OUT : FHCI_TA_IN, + cnt ? USB_TD_TOGGLE_CARRY : toggle, + data, data_len, 0, 0, true); + cnt++; + + if (urb->transfer_flags & URB_ZERO_PACKET && + cnt < urb_priv->num_of_tds) { + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt, + usb_pipeout(urb->pipe) ? FHCI_TA_OUT : + FHCI_TA_IN, + USB_TD_TOGGLE_CARRY, NULL, 0, 0, 0, true); + cnt++; + } + break; + case FHCI_TF_INTR: + urb->start_frame = get_frame_num(fhci) + 1; + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, + usb_pipeout(urb->pipe) ? FHCI_TA_OUT : FHCI_TA_IN, + USB_TD_TOGGLE_DATA0, data, data_len, + urb->interval, urb->start_frame, true); + break; + case FHCI_TF_CTRL: + ed->dev_addr = usb_pipedevice(urb->pipe); + ed->max_pkt_size = usb_maxpacket(urb->dev, urb->pipe, + usb_pipeout(urb->pipe)); + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, FHCI_TA_SETUP, + USB_TD_TOGGLE_DATA0, urb->setup_packet, 8, 0, 0, true); + + if (data_len > 0) { + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, + usb_pipeout(urb->pipe) ? FHCI_TA_OUT : + FHCI_TA_IN, + USB_TD_TOGGLE_DATA1, data, data_len, 0, 0, + true); + } + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt++, + usb_pipeout(urb->pipe) ? FHCI_TA_IN : FHCI_TA_OUT, + USB_TD_TOGGLE_DATA1, data, 0, 0, 0, true); + urb_state = US_CTRL_SETUP; + break; + case FHCI_TF_ISO: + for (cnt = 0; cnt < urb->number_of_packets; cnt++) { + u16 frame = urb->start_frame; + + /* + * FIXME scheduling should handle frame counter + * roll-around ... exotic case (and OHCI has + * a 2^16 iso range, vs other HCs max of 2^10) + */ + frame += cnt * urb->interval; + frame &= 0x07ff; + td = fhci_td_fill(fhci, urb, urb_priv, ed, cnt, + usb_pipeout(urb->pipe) ? FHCI_TA_OUT : + FHCI_TA_IN, + USB_TD_TOGGLE_DATA0, + data + urb->iso_frame_desc[cnt].offset, + urb->iso_frame_desc[cnt].length, + urb->interval, frame, true); + } + break; + default: + break; + } + + /* + * set the state of URB + * control pipe:3 states -- setup,data,status + * interrupt and bulk pipe:1 state -- data + */ + urb->pipe &= ~0x1f; + urb->pipe |= urb_state & 0x1f; + + urb_priv->state = URB_INPROGRESS; + + if (!ed->td_head) { + ed->state = FHCI_ED_OPER; + switch (ed->mode) { + case FHCI_TF_CTRL: + list_add(&ed->node, &fhci->hc_list->ctrl_list); + break; + case FHCI_TF_BULK: + list_add(&ed->node, &fhci->hc_list->bulk_list); + break; + case FHCI_TF_INTR: + list_add(&ed->node, &fhci->hc_list->intr_list); + break; + case FHCI_TF_ISO: + list_add(&ed->node, &fhci->hc_list->iso_list); + break; + default: + break; + } + } + + fhci_add_tds_to_ed(ed, urb_priv->tds, urb_priv->num_of_tds); + fhci->active_urbs++; +} diff --git a/drivers/usb/host/fhci-tds.c b/drivers/usb/host/fhci-tds.c new file mode 100644 index 0000000..b403322 --- /dev/null +++ b/drivers/usb/host/fhci-tds.c @@ -0,0 +1,626 @@ +/* + * Freescale QUICC Engine USB Host Controller Driver + * + * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Shlomi Gridish <gridish@freescale.com> + * Jerry Huang <Chang-Ming.Huang@freescale.com> + * Copyright (c) Logic Product Development, Inc. 2007 + * Peter Barada <peterb@logicpd.com> + * Copyright (c) MontaVista Software, Inc. 2008. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/errno.h> +#include <linux/list.h> +#include <linux/io.h> +#include <linux/usb.h> +#include "../core/hcd.h" +#include "fhci.h" + +#define DUMMY_BD_BUFFER 0xdeadbeef +#define DUMMY2_BD_BUFFER 0xbaadf00d + +/* Transaction Descriptors bits */ +#define TD_R 0x8000 /* ready bit */ +#define TD_W 0x2000 /* wrap bit */ +#define TD_I 0x1000 /* interrupt on completion */ +#define TD_L 0x0800 /* last */ +#define TD_TC 0x0400 /* transmit CRC */ +#define TD_CNF 0x0200 /* CNF - Must be always 1 */ +#define TD_LSP 0x0100 /* Low-speed transaction */ +#define TD_PID 0x00c0 /* packet id */ +#define TD_RXER 0x0020 /* Rx error or not */ + +#define TD_NAK 0x0010 /* No ack. */ +#define TD_STAL 0x0008 /* Stall recieved */ +#define TD_TO 0x0004 /* time out */ +#define TD_UN 0x0002 /* underrun */ +#define TD_NO 0x0010 /* Rx Non Octet Aligned Packet */ +#define TD_AB 0x0008 /* Frame Aborted */ +#define TD_CR 0x0004 /* CRC Error */ +#define TD_OV 0x0002 /* Overrun */ +#define TD_BOV 0x0001 /* Buffer Overrun */ + +#define TD_ERRORS (TD_NAK | TD_STAL | TD_TO | TD_UN | \ + TD_NO | TD_AB | TD_CR | TD_OV | TD_BOV) + +#define TD_PID_DATA0 0x0080 /* Data 0 toggle */ +#define TD_PID_DATA1 0x00c0 /* Data 1 toggle */ +#define TD_PID_TOGGLE 0x00c0 /* Data 0/1 toggle mask */ + +#define TD_TOK_SETUP 0x0000 +#define TD_TOK_OUT 0x4000 +#define TD_TOK_IN 0x8000 +#define TD_ISO 0x1000 +#define TD_ENDP 0x0780 +#define TD_ADDR 0x007f + +#define TD_ENDP_SHIFT 7 + +struct usb_td { + __be16 status; + __be16 length; + __be32 buf_ptr; + __be16 extra; + __be16 reserved; +}; + +static struct usb_td __iomem *next_bd(struct usb_td __iomem *base, + struct usb_td __iomem *td, + u16 status) +{ + if (status & TD_W) + return base; + else + return ++td; +} + +void fhci_push_dummy_bd(struct endpoint *ep) +{ + if (ep->already_pushed_dummy_bd == false) { + u16 td_status = in_be16(&ep->empty_td->status); + + out_be32(&ep->empty_td->buf_ptr, DUMMY_BD_BUFFER); + /* get the next TD in the ring */ + ep->empty_td = next_bd(ep->td_base, ep->empty_td, td_status); + ep->already_pushed_dummy_bd = true; + } +} + +/* destroy an USB endpoint */ +void fhci_ep0_free(struct fhci_usb *usb) +{ + struct endpoint *ep; + int size; + + ep = usb->ep0; + if (ep) { + if (ep->td_base) + cpm_muram_free(cpm_muram_offset(ep->td_base)); + + if (ep->conf_frame_Q) { + size = cq_howmany(ep->conf_frame_Q); + for (; size; size--) { + struct packet *pkt = cq_get(ep->conf_frame_Q); + + kfree(pkt); + } + cq_delete(ep->conf_frame_Q); + } + + if (ep->empty_frame_Q) { + size = cq_howmany(ep->empty_frame_Q); + for (; size; size--) { + struct packet *pkt = cq_get(ep->empty_frame_Q); + + kfree(pkt); + } + cq_delete(ep->empty_frame_Q); + } + + if (ep->dummy_packets_Q) { + size = cq_howmany(ep->dummy_packets_Q); + for (; size; size--) { + u8 *buff = cq_get(ep->dummy_packets_Q); + + kfree(buff); + } + cq_delete(ep->dummy_packets_Q); + } + + kfree(ep); + usb->ep0 = NULL; + } +} + +/* + * create the endpoint structure + * + * arguments: + * usb A pointer to the data structure of the USB + * data_mem The data memory partition(BUS) + * ring_len TD ring length + */ +u32 fhci_create_ep(struct fhci_usb *usb, enum fhci_mem_alloc data_mem, + u32 ring_len) +{ + struct endpoint *ep; + struct usb_td __iomem *td; + unsigned long ep_offset; + char *err_for = "enpoint PRAM"; + int ep_mem_size; + u32 i; + + /* we need at least 3 TDs in the ring */ + if (!(ring_len > 2)) { + fhci_err(usb->fhci, "illegal TD ring length parameters\n"); + return -EINVAL; + } + + ep = kzalloc(sizeof(*ep), GFP_KERNEL); + if (!ep) + return -ENOMEM; + + ep_mem_size = ring_len * sizeof(*td) + sizeof(struct fhci_ep_pram); + ep_offset = cpm_muram_alloc(ep_mem_size, 32); + if (IS_ERR_VALUE(ep_offset)) + goto err; + ep->td_base = cpm_muram_addr(ep_offset); + + /* zero all queue pointers */ + ep->conf_frame_Q = cq_new(ring_len + 2); + ep->empty_frame_Q = cq_new(ring_len + 2); + ep->dummy_packets_Q = cq_new(ring_len + 2); + if (!ep->conf_frame_Q || !ep->empty_frame_Q || !ep->dummy_packets_Q) { + err_for = "frame_queues"; + goto err; + } + + for (i = 0; i < (ring_len + 1); i++) { + struct packet *pkt; + u8 *buff; + + pkt = kmalloc(sizeof(*pkt), GFP_KERNEL); + if (!pkt) { + err_for = "frame"; + goto err; + } + + buff = kmalloc(1028 * sizeof(*buff), GFP_KERNEL); + if (!buff) { + kfree(pkt); + err_for = "buffer"; + goto err; + } + cq_put(ep->empty_frame_Q, pkt); + cq_put(ep->dummy_packets_Q, buff); + } + + /* we put the endpoint parameter RAM right behind the TD ring */ + ep->ep_pram_ptr = (void __iomem *)ep->td_base + sizeof(*td) * ring_len; + + ep->conf_td = ep->td_base; + ep->empty_td = ep->td_base; + + ep->already_pushed_dummy_bd = false; + + /* initialize tds */ + td = ep->td_base; + for (i = 0; i < ring_len; i++) { + out_be32(&td->buf_ptr, 0); + out_be16(&td->status, 0); + out_be16(&td->length, 0); + out_be16(&td->extra, 0); + td++; + } + td--; + out_be16(&td->status, TD_W); /* for last TD set Wrap bit */ + out_be16(&td->length, 0); + + /* endpoint structure has been created */ + usb->ep0 = ep; + + return 0; +err: + fhci_ep0_free(usb); + kfree(ep); + fhci_err(usb->fhci, "no memory for the %s\n", err_for); + return -ENOMEM; +} + +/* + * initialize the endpoint register according to the given parameters + * + * artuments: + * usb A pointer to the data strucutre of the USB + * ep A pointer to the endpoint structre + * data_mem The data memory partition(BUS) + */ +void fhci_init_ep_registers(struct fhci_usb *usb, struct endpoint *ep, + enum fhci_mem_alloc data_mem) +{ + u8 rt; + + /* set the endpoint registers according to the endpoint */ + out_be16(&usb->fhci->regs->usb_ep[0], + USB_TRANS_CTR | USB_EP_MF | USB_EP_RTE); + out_be16(&usb->fhci->pram->ep_ptr[0], + cpm_muram_offset(ep->ep_pram_ptr)); + + rt = (BUS_MODE_BO_BE | BUS_MODE_GBL); +#ifdef MULTI_DATA_BUS + if (data_mem == MEM_SECONDARY) + rt |= BUS_MODE_DTB; +#endif + out_8(&ep->ep_pram_ptr->rx_func_code, rt); + out_8(&ep->ep_pram_ptr->tx_func_code, rt); + out_be16(&ep->ep_pram_ptr->rx_buff_len, 1028); + out_be16(&ep->ep_pram_ptr->rx_base, 0); + out_be16(&ep->ep_pram_ptr->tx_base, cpm_muram_offset(ep->td_base)); + out_be16(&ep->ep_pram_ptr->rx_bd_ptr, 0); + out_be16(&ep->ep_pram_ptr->tx_bd_ptr, cpm_muram_offset(ep->td_base)); + out_be32(&ep->ep_pram_ptr->tx_state, 0); +} + +/* + * Collect the submitted frames and inform the application about them + * It is also prepearing the TDs for new frames. If the Tx interrupts + * are diabled, the application should call that routine to get + * confirmation about the submitted frames. Otherwise, the routine is + * called frome the interrupt service routine during the Tx interrupt. + * In that case the application is informed by calling the application + * specific 'fhci_transaction_confirm' routine + */ +static void fhci_td_transaction_confirm(struct fhci_usb *usb) +{ + struct endpoint *ep = usb->ep0; + struct packet *pkt; + struct usb_td __iomem *td; + u16 extra_data; + u16 td_status; + u16 td_length; + u32 buf; + + /* + * collect transmitted BDs from the chip. The routine clears all BDs + * with R bit = 0 and the pointer to data buffer is not NULL, that is + * BDs which point to the transmitted data buffer + */ + while (1) { + td = ep->conf_td; + td_status = in_be16(&td->status); + td_length = in_be16(&td->length); + buf = in_be32(&td->buf_ptr); + extra_data = in_be16(&td->extra); + + /* check if the TD is empty */ + if (!(!(td_status & TD_R) && ((td_status & ~TD_W) || buf))) + break; + /* check if it is a dummy buffer */ + else if ((buf == DUMMY_BD_BUFFER) && !(td_status & ~TD_W)) + break; + + /* mark TD as empty */ + clrbits16(&td->status, ~TD_W); + out_be16(&td->length, 0); + out_be32(&td->buf_ptr, 0); + out_be16(&td->extra, 0); + /* advance the TD pointer */ + ep->conf_td = next_bd(ep->td_base, ep->conf_td, td_status); + + /* check if it is a dummy buffer(type2) */ + if ((buf == DUMMY2_BD_BUFFER) && !(td_status & ~TD_W)) + continue; + + pkt = cq_get(ep->conf_frame_Q); + if (!pkt) + fhci_err(usb->fhci, "no frame to confirm\n"); + + if (td_status & TD_ERRORS) { + if (td_status & TD_RXER) { + if (td_status & TD_CR) + pkt->status = USB_TD_RX_ER_CRC; + else if (td_status & TD_AB) + pkt->status = USB_TD_RX_ER_BITSTUFF; + else if (td_status & TD_OV) + pkt->status = USB_TD_RX_ER_OVERUN; + else if (td_status & TD_BOV) + pkt->status = USB_TD_RX_DATA_OVERUN; + else if (td_status & TD_NO) + pkt->status = USB_TD_RX_ER_NONOCT; + else + fhci_err(usb->fhci, "illegal error " + "occured\n"); + } else if (td_status & TD_NAK) + pkt->status = USB_TD_TX_ER_NAK; + else if (td_status & TD_TO) + pkt->status = USB_TD_TX_ER_TIMEOUT; + else if (td_status & TD_UN) + pkt->status = USB_TD_TX_ER_UNDERUN; + else if (td_status & TD_STAL) + pkt->status = USB_TD_TX_ER_STALL; + else + fhci_err(usb->fhci, "illegal error occured\n"); + } else if ((extra_data & TD_TOK_IN) && + pkt->len > td_length - CRC_SIZE) { + pkt->status = USB_TD_RX_DATA_UNDERUN; + } + + if (extra_data & TD_TOK_IN) + pkt->len = td_length - CRC_SIZE; + else if (pkt->info & PKT_ZLP) + pkt->len = 0; + else + pkt->len = td_length; + + fhci_transaction_confirm(usb, pkt); + } +} + +/* + * Submitting a data frame to a specified endpoint of a USB device + * The frame is put in the driver's transmit queue for this endpoint + * + * Arguments: + * usb A pointer to the USB structure + * pkt A pointer to the user frame structure + * trans_type Transaction tyep - IN,OUT or SETUP + * dest_addr Device address - 0~127 + * dest_ep Endpoint number of the device - 0~16 + * trans_mode Pipe type - ISO,Interrupt,bulk or control + * dest_speed USB speed - Low speed or FULL speed + * data_toggle Data sequence toggle - 0 or 1 + */ +u32 fhci_host_transaction(struct fhci_usb *usb, + struct packet *pkt, + enum fhci_ta_type trans_type, + u8 dest_addr, + u8 dest_ep, + enum fhci_tf_mode trans_mode, + enum fhci_speed dest_speed, u8 data_toggle) +{ + struct endpoint *ep = usb->ep0; + struct usb_td __iomem *td; + u16 extra_data; + u16 td_status; + + fhci_usb_disable_interrupt(usb); + /* start from the next BD that should be filled */ + td = ep->empty_td; + td_status = in_be16(&td->status); + + if (td_status & TD_R && in_be16(&td->length)) { + /* if the TD is not free */ + fhci_usb_enable_interrupt(usb); + return -1; + } + + /* get the next TD in the ring */ + ep->empty_td = next_bd(ep->td_base, ep->empty_td, td_status); + fhci_usb_enable_interrupt(usb); + pkt->priv_data = td; + out_be32(&td->buf_ptr, virt_to_phys(pkt->data)); + /* sets up transaction parameters - addr,endp,dir,and type */ + extra_data = (dest_ep << TD_ENDP_SHIFT) | dest_addr; + switch (trans_type) { + case FHCI_TA_IN: + extra_data |= TD_TOK_IN; + break; + case FHCI_TA_OUT: + extra_data |= TD_TOK_OUT; + break; + case FHCI_TA_SETUP: + extra_data |= TD_TOK_SETUP; + break; + } + if (trans_mode == FHCI_TF_ISO) + extra_data |= TD_ISO; + out_be16(&td->extra, extra_data); + + /* sets up the buffer descriptor */ + td_status = ((td_status & TD_W) | TD_R | TD_L | TD_I | TD_CNF); + if (!(pkt->info & PKT_NO_CRC)) + td_status |= TD_TC; + + switch (trans_type) { + case FHCI_TA_IN: + if (data_toggle) + pkt->info |= PKT_PID_DATA1; + else + pkt->info |= PKT_PID_DATA0; + break; + default: + if (data_toggle) { + td_status |= TD_PID_DATA1; + pkt->info |= PKT_PID_DATA1; + } else { + td_status |= TD_PID_DATA0; + pkt->info |= PKT_PID_DATA0; + } + break; + } + + if ((dest_speed == FHCI_LOW_SPEED) && + (usb->port_status == FHCI_PORT_FULL)) + td_status |= TD_LSP; + + out_be16(&td->status, td_status); + + /* set up buffer length */ + if (trans_type == FHCI_TA_IN) + out_be16(&td->length, pkt->len + CRC_SIZE); + else + out_be16(&td->length, pkt->len); + + /* put the frame to the confirmation queue */ + cq_put(ep->conf_frame_Q, pkt); + + if (cq_howmany(ep->conf_frame_Q) == 1) + out_8(&usb->fhci->regs->usb_comm, USB_CMD_STR_FIFO); + + return 0; +} + +/* Reset the Tx BD ring */ +void fhci_flush_bds(struct fhci_usb *usb) +{ + u16 extra_data; + u16 td_status; + u32 buf; + struct usb_td __iomem *td; + struct endpoint *ep = usb->ep0; + + td = ep->td_base; + while (1) { + td_status = in_be16(&td->status); + buf = in_be32(&td->buf_ptr); + extra_data = in_be16(&td->extra); + + /* if the TD is not empty - we'll confirm it as Timeout */ + if (td_status & TD_R) + out_be16(&td->status, (td_status & ~TD_R) | TD_TO); + /* if this TD is dummy - let's skip this TD */ + else if (in_be32(&td->buf_ptr) == DUMMY_BD_BUFFER) + out_be32(&td->buf_ptr, DUMMY2_BD_BUFFER); + /* if this is the last TD - break */ + if (td_status & TD_W) + break; + + td++; + } + + fhci_td_transaction_confirm(usb); + + td = ep->td_base; + do { + out_be16(&td->status, 0); + out_be16(&td->length, 0); + out_be32(&td->buf_ptr, 0); + out_be16(&td->extra, 0); + td++; + } while (!(in_be16(&td->status) & TD_W)); + out_be16(&td->status, TD_W); /* for last TD set Wrap bit */ + out_be16(&td->length, 0); + out_be32(&td->buf_ptr, 0); + out_be16(&td->extra, 0); + + out_be16(&ep->ep_pram_ptr->tx_bd_ptr, + in_be16(&ep->ep_pram_ptr->tx_base)); + out_be32(&ep->ep_pram_ptr->tx_state, 0); + out_be16(&ep->ep_pram_ptr->tx_cnt, 0); + ep->empty_td = ep->td_base; + ep->conf_td = ep->td_base; +} + +/* + * Flush all transmitted packets from TDs in the actual frame. + * This routine is called when something wrong with the controller and + * we want to get rid of the actual frame and start again next frame + */ +void fhci_flush_actual_frame(struct fhci_usb *usb) +{ + u8 mode; + u16 tb_ptr; + u16 extra_data; + u16 td_status; + u32 buf_ptr; + struct usb_td __iomem *td; + struct endpoint *ep = usb->ep0; + + /* disable the USB controller */ + mode = in_8(&usb->fhci->regs->usb_mod); + out_8(&usb->fhci->regs->usb_mod, mode & ~USB_MODE_EN); + + tb_ptr = in_be16(&ep->ep_pram_ptr->tx_bd_ptr); + td = cpm_muram_addr(tb_ptr); + td_status = in_be16(&td->status); + buf_ptr = in_be32(&td->buf_ptr); + extra_data = in_be16(&td->extra); + do { + if (td_status & TD_R) { + out_be16(&td->status, (td_status & ~TD_R) | TD_TO); + } else { + out_be32(&td->buf_ptr, 0); + ep->already_pushed_dummy_bd = false; + break; + } + + /* advance the TD pointer */ + td = next_bd(ep->td_base, td, td_status); + td_status = in_be16(&td->status); + buf_ptr = in_be32(&td->buf_ptr); + extra_data = in_be16(&td->extra); + } while ((td_status & TD_R) || buf_ptr); + + fhci_td_transaction_confirm(usb); + + out_be16(&ep->ep_pram_ptr->tx_bd_ptr, + in_be16(&ep->ep_pram_ptr->tx_base)); + out_be32(&ep->ep_pram_ptr->tx_state, 0); + out_be16(&ep->ep_pram_ptr->tx_cnt, 0); + ep->empty_td = ep->td_base; + ep->conf_td = ep->td_base; + + usb->actual_frame->frame_status = FRAME_TIMER_END_TRANSMISSION; + + /* reset the event register */ + out_be16(&usb->fhci->regs->usb_event, 0xffff); + /* enable the USB controller */ + out_8(&usb->fhci->regs->usb_mod, mode | USB_MODE_EN); +} + +/* handles Tx confirm and Tx error interrupt */ +void fhci_tx_conf_interrupt(struct fhci_usb *usb) +{ + fhci_td_transaction_confirm(usb); + + /* + * Schedule another transaction to this frame only if we have + * already confirmed all transaction in the frame. + */ + if (((fhci_get_sof_timer_count(usb) < usb->max_frame_usage) || + (usb->actual_frame->frame_status & FRAME_END_TRANSMISSION)) && + (list_empty(&usb->actual_frame->tds_list))) + fhci_schedule_transactions(usb); +} + +void fhci_host_transmit_actual_frame(struct fhci_usb *usb) +{ + u16 tb_ptr; + u16 td_status; + struct usb_td __iomem *td; + struct endpoint *ep = usb->ep0; + + tb_ptr = in_be16(&ep->ep_pram_ptr->tx_bd_ptr); + td = cpm_muram_addr(tb_ptr); + + if (in_be32(&td->buf_ptr) == DUMMY_BD_BUFFER) { + struct usb_td __iomem *old_td = td; + + ep->already_pushed_dummy_bd = false; + td_status = in_be16(&td->status); + /* gets the next TD in the ring */ + td = next_bd(ep->td_base, td, td_status); + tb_ptr = cpm_muram_offset(td); + out_be16(&ep->ep_pram_ptr->tx_bd_ptr, tb_ptr); + + /* start transmit only if we have something in the TDs */ + if (in_be16(&td->status) & TD_R) + out_8(&usb->fhci->regs->usb_comm, USB_CMD_STR_FIFO); + + if (in_be32(&ep->conf_td->buf_ptr) == DUMMY_BD_BUFFER) { + out_be32(&old_td->buf_ptr, 0); + ep->conf_td = next_bd(ep->td_base, ep->conf_td, + td_status); + } else { + out_be32(&old_td->buf_ptr, DUMMY2_BD_BUFFER); + } + } +} diff --git a/drivers/usb/host/fhci.h b/drivers/usb/host/fhci.h new file mode 100644 index 0000000..7116284 --- /dev/null +++ b/drivers/usb/host/fhci.h @@ -0,0 +1,607 @@ +/* + * Freescale QUICC Engine USB Host Controller Driver + * + * Copyright (c) Freescale Semicondutor, Inc. 2006. + * Shlomi Gridish <gridish@freescale.com> + * Jerry Huang <Chang-Ming.Huang@freescale.com> + * Copyright (c) Logic Product Development, Inc. 2007 + * Peter Barada <peterb@logicpd.com> + * Copyright (c) MontaVista Software, Inc. 2008. + * Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + */ + +#ifndef __FHCI_H +#define __FHCI_H + +#include <linux/kernel.h> +#include <linux/types.h> +#include <linux/spinlock.h> +#include <linux/interrupt.h> +#include <linux/kfifo.h> +#include <linux/io.h> +#include <linux/usb.h> +#include <asm/qe.h> +#include "../core/hcd.h" + +#define USB_CLOCK 48000000 + +#define FHCI_PRAM_SIZE 0x100 + +#define MAX_EDS 32 +#define MAX_TDS 32 + + +/* CRC16 field size */ +#define CRC_SIZE 2 + +/* USB protocol overhead for each frame transmitted from the host */ +#define PROTOCOL_OVERHEAD 7 + +/* Packet structure, info field */ +#define PKT_PID_DATA0 0x80000000 /* PID - Data toggle zero */ +#define PKT_PID_DATA1 0x40000000 /* PID - Data toggle one */ +#define PKT_PID_SETUP 0x20000000 /* PID - Setup bit */ +#define PKT_SETUP_STATUS 0x10000000 /* Setup status bit */ +#define PKT_SETADDR_STATUS 0x08000000 /* Set address status bit */ +#define PKT_SET_HOST_LAST 0x04000000 /* Last data packet */ +#define PKT_HOST_DATA 0x02000000 /* Data packet */ +#define PKT_FIRST_IN_FRAME 0x01000000 /* First packet in the frame */ +#define PKT_TOKEN_FRAME 0x00800000 /* Token packet */ +#define PKT_ZLP 0x00400000 /* Zero length packet */ +#define PKT_IN_TOKEN_FRAME 0x00200000 /* IN token packet */ +#define PKT_OUT_TOKEN_FRAME 0x00100000 /* OUT token packet */ +#define PKT_SETUP_TOKEN_FRAME 0x00080000 /* SETUP token packet */ +#define PKT_STALL_FRAME 0x00040000 /* STALL packet */ +#define PKT_NACK_FRAME 0x00020000 /* NACK packet */ +#define PKT_NO_PID 0x00010000 /* No PID */ +#define PKT_NO_CRC 0x00008000 /* don't append CRC */ +#define PKT_HOST_COMMAND 0x00004000 /* Host command packet */ +#define PKT_DUMMY_PACKET 0x00002000 /* Dummy packet, used for mmm */ +#define PKT_LOW_SPEED_PACKET 0x00001000 /* Low-Speed packet */ + +#define TRANS_OK (0) +#define TRANS_INPROGRESS (-1) +#define TRANS_DISCARD (-2) +#define TRANS_FAIL (-3) + +#define PS_INT 0 +#define PS_DISCONNECTED 1 +#define PS_CONNECTED 2 +#define PS_READY 3 +#define PS_MISSING 4 + +/* Transfer Descriptor status field */ +#define USB_TD_OK 0x00000000 /* TD transmited or received ok */ +#define USB_TD_INPROGRESS 0x80000000 /* TD is being transmitted */ +#define USB_TD_RX_ER_NONOCT 0x40000000 /* Tx Non Octet Aligned Packet */ +#define USB_TD_RX_ER_BITSTUFF 0x20000000 /* Frame Aborted-Received pkt */ +#define USB_TD_RX_ER_CRC 0x10000000 /* CRC error */ +#define USB_TD_RX_ER_OVERUN 0x08000000 /* Over - run occured */ +#define USB_TD_RX_ER_PID 0x04000000 /* wrong PID received */ +#define USB_TD_RX_DATA_UNDERUN 0x02000000 /* shorter than expected */ +#define USB_TD_RX_DATA_OVERUN 0x01000000 /* longer than expected */ +#define USB_TD_TX_ER_NAK 0x00800000 /* NAK handshake */ +#define USB_TD_TX_ER_STALL 0x00400000 /* STALL handshake */ +#define USB_TD_TX_ER_TIMEOUT 0x00200000 /* transmit time out */ +#define USB_TD_TX_ER_UNDERUN 0x00100000 /* transmit underrun */ + +#define USB_TD_ERROR (USB_TD_RX_ER_NONOCT | USB_TD_RX_ER_BITSTUFF | \ + USB_TD_RX_ER_CRC | USB_TD_RX_ER_OVERUN | USB_TD_RX_ER_PID | \ + USB_TD_RX_DATA_UNDERUN | USB_TD_RX_DATA_OVERUN | \ + USB_TD_TX_ER_NAK | USB_TD_TX_ER_STALL | \ + USB_TD_TX_ER_TIMEOUT | USB_TD_TX_ER_UNDERUN) + +/* Transfer Descriptor toggle field */ +#define USB_TD_TOGGLE_DATA0 0 +#define USB_TD_TOGGLE_DATA1 1 +#define USB_TD_TOGGLE_CARRY 2 + +/* #define MULTI_DATA_BUS */ + +/* Bus mode register RBMR/TBMR */ +#define BUS_MODE_GBL 0x20 /* Global snooping */ +#define BUS_MODE_BO 0x18 /* Byte ordering */ +#define BUS_MODE_BO_BE 0x10 /* Byte ordering - Big-endian */ +#define BUS_MODE_DTB 0x02 /* Data bus */ + +/* FHCI QE USB Register Description */ + +/* USB Mode Register bit define */ +#define USB_MODE_EN 0x01 +#define USB_MODE_HOST 0x02 +#define USB_MODE_TEST 0x04 +#define USB_MODE_SFTE 0x08 +#define USB_MODE_RESUME 0x40 +#define USB_MODE_LSS 0x80 + +/* USB Slave Address Register Mask */ +#define USB_SLVADDR_MASK 0x7F + +/* USB Endpoint register define */ +#define USB_EPNUM_MASK 0xF000 +#define USB_EPNUM_SHIFT 12 + +#define USB_TRANS_MODE_SHIFT 8 +#define USB_TRANS_CTR 0x0000 +#define USB_TRANS_INT 0x0100 +#define USB_TRANS_BULK 0x0200 +#define USB_TRANS_ISO 0x0300 + +#define USB_EP_MF 0x0020 +#define USB_EP_RTE 0x0010 + +#define USB_THS_SHIFT 2 +#define USB_THS_MASK 0x000c +#define USB_THS_NORMAL 0x0 +#define USB_THS_IGNORE_IN 0x0004 +#define USB_THS_NACK 0x0008 +#define USB_THS_STALL 0x000c + +#define USB_RHS_SHIFT 0 +#define USB_RHS_MASK 0x0003 +#define USB_RHS_NORMAL 0x0 +#define USB_RHS_IGNORE_OUT 0x0001 +#define USB_RHS_NACK 0x0002 +#define USB_RHS_STALL 0x0003 + +#define USB_RTHS_MASK 0x000f + +/* USB Command Register define */ +#define USB_CMD_STR_FIFO 0x80 +#define USB_CMD_FLUSH_FIFO 0x40 +#define USB_CMD_ISFT 0x20 +#define USB_CMD_DSFT 0x10 +#define USB_CMD_EP_MASK 0x03 + +/* USB Event and Mask Register define */ +#define USB_E_MSF_MASK 0x0800 +#define USB_E_SFT_MASK 0x0400 +#define USB_E_RESET_MASK 0x0200 +#define USB_E_IDLE_MASK 0x0100 +#define USB_E_TXE4_MASK 0x0080 +#define USB_E_TXE3_MASK 0x0040 +#define USB_E_TXE2_MASK 0x0020 +#define USB_E_TXE1_MASK 0x0010 +#define USB_E_SOF_MASK 0x0008 +#define USB_E_BSY_MASK 0x0004 +#define USB_E_TXB_MASK 0x0002 +#define USB_E_RXB_MASK 0x0001 + +/* Freescale USB Host controller registers */ +struct fhci_regs { + u8 usb_mod; /* mode register */ + u8 usb_addr; /* address register */ + u8 usb_comm; /* command register */ + u8 reserved1[1]; + __be16 usb_ep[4]; /* endpoint register */ + u8 reserved2[4]; + __be16 usb_event; /* event register */ + u8 reserved3[2]; + __be16 usb_mask; /* mask register */ + u8 reserved4[1]; + u8 usb_status; /* status register */ + __be16 usb_sof_tmr; /* Start Of Frame timer */ + u8 reserved5[2]; + __be16 usb_frame_num; /* frame number register */ + u8 reserved6[1]; +}; + +/* Freescale USB HOST */ +struct fhci_pram { + __be16 ep_ptr[4]; /* Endpoint porter reg */ + __be32 rx_state; /* Rx internal state */ + __be32 rx_ptr; /* Rx internal data pointer */ + __be16 frame_num; /* Frame number */ + __be16 rx_cnt; /* Rx byte count */ + __be32 rx_temp; /* Rx temp */ + __be32 rx_data_temp; /* Rx data temp */ + __be16 rx_u_ptr; /* Rx microcode return address temp */ + u8 reserved1[2]; /* reserved area */ + __be32 sof_tbl; /* SOF lookup table pointer */ + u8 sof_u_crc_temp; /* SOF micorcode CRC5 temp reg */ + u8 reserved2[0xdb]; +}; + +/* Freescale USB Endpoint*/ +struct fhci_ep_pram { + __be16 rx_base; /* Rx BD base address */ + __be16 tx_base; /* Tx BD base address */ + u8 rx_func_code; /* Rx function code */ + u8 tx_func_code; /* Tx function code */ + __be16 rx_buff_len; /* Rx buffer length */ + __be16 rx_bd_ptr; /* Rx BD pointer */ + __be16 tx_bd_ptr; /* Tx BD pointer */ + __be32 tx_state; /* Tx internal state */ + __be32 tx_ptr; /* Tx internal data pointer */ + __be16 tx_crc; /* temp transmit CRC */ + __be16 tx_cnt; /* Tx byte count */ + __be32 tx_temp; /* Tx temp */ + __be16 tx_u_ptr; /* Tx microcode return address temp */ + __be16 reserved; +}; + +struct fhci_controller_list { + struct list_head ctrl_list; /* control endpoints */ + struct list_head bulk_list; /* bulk endpoints */ + struct list_head iso_list; /* isochronous endpoints */ + struct list_head intr_list; /* interruput endpoints */ + struct list_head done_list; /* done transfers */ +}; + +struct virtual_root_hub { + int dev_num; /* USB address of the root hub */ + u32 feature; /* indicates what feature has been set */ + struct usb_hub_status hub; + struct usb_port_status port; +}; + +enum fhci_gpios { + GPIO_USBOE = 0, + GPIO_USBTP, + GPIO_USBTN, + GPIO_USBRP, + GPIO_USBRN, + /* these are optional */ + GPIO_SPEED, + GPIO_POWER, + NUM_GPIOS, +}; + +enum fhci_pins { + PIN_USBOE = 0, + PIN_USBTP, + PIN_USBTN, + NUM_PINS, +}; + +struct fhci_hcd { + enum qe_clock fullspeed_clk; + enum qe_clock lowspeed_clk; + struct qe_pin *pins[NUM_PINS]; + int gpios[NUM_GPIOS]; + bool alow_gpios[NUM_GPIOS]; + + struct fhci_regs __iomem *regs; /* I/O memory used to communicate */ + struct fhci_pram __iomem *pram; /* Parameter RAM */ + struct gtm_timer *timer; + + spinlock_t lock; + struct fhci_usb *usb_lld; /* Low-level driver */ + struct virtual_root_hub *vroot_hub; /* the virtual root hub */ + int active_urbs; + struct fhci_controller_list *hc_list; + struct tasklet_struct *process_done_task; /* tasklet for done list */ + + struct list_head empty_eds; + struct list_head empty_tds; + +#ifdef CONFIG_FHCI_DEBUG + int usb_irq_stat[13]; + struct dentry *dfs_root; + struct dentry *dfs_regs; + struct dentry *dfs_irq_stat; +#endif +}; + +#define USB_FRAME_USAGE 90 +#define FRAME_TIME_USAGE (USB_FRAME_USAGE*10) /* frame time usage */ +#define SW_FIX_TIME_BETWEEN_TRANSACTION 150 /* SW */ +#define MAX_BYTES_PER_FRAME (USB_FRAME_USAGE*15) +#define MAX_PERIODIC_FRAME_USAGE 90 + +/* transaction type */ +enum fhci_ta_type { + FHCI_TA_IN = 0, /* input transaction */ + FHCI_TA_OUT, /* output transaction */ + FHCI_TA_SETUP, /* setup transaction */ +}; + +/* transfer mode */ +enum fhci_tf_mode { + FHCI_TF_CTRL = 0, + FHCI_TF_ISO, + FHCI_TF_BULK, + FHCI_TF_INTR, +}; + +enum fhci_speed { + FHCI_FULL_SPEED, + FHCI_LOW_SPEED, +}; + +/* endpoint state */ +enum fhci_ed_state { + FHCI_ED_NEW = 0, /* pipe is new */ + FHCI_ED_OPER, /* pipe is operating */ + FHCI_ED_URB_DEL, /* pipe is in hold because urb is being deleted */ + FHCI_ED_SKIP, /* skip this pipe */ + FHCI_ED_HALTED, /* pipe is halted */ +}; + +enum fhci_port_status { + FHCI_PORT_POWER_OFF = 0, + FHCI_PORT_DISABLED, + FHCI_PORT_DISCONNECTING, + FHCI_PORT_WAITING, /* waiting for connection */ + FHCI_PORT_FULL, /* full speed connected */ + FHCI_PORT_LOW, /* low speed connected */ +}; + +enum fhci_mem_alloc { + MEM_CACHABLE_SYS = 0x00000001, /* primary DDR,cachable */ + MEM_NOCACHE_SYS = 0x00000004, /* primary DDR,non-cachable */ + MEM_SECONDARY = 0x00000002, /* either secondary DDR or SDRAM */ + MEM_PRAM = 0x00000008, /* multi-user RAM identifier */ +}; + +/* USB default parameters*/ +#define DEFAULT_RING_LEN 8 +#define DEFAULT_DATA_MEM MEM_CACHABLE_SYS + +struct ed { + u8 dev_addr; /* device address */ + u8 ep_addr; /* endpoint address */ + enum fhci_tf_mode mode; /* USB transfer mode */ + enum fhci_speed speed; + unsigned int max_pkt_size; + enum fhci_ed_state state; + struct list_head td_list; /* a list of all queued TD to this pipe */ + struct list_head node; + + /* read only parameters, should be cleared upon initialization */ + u8 toggle_carry; /* toggle carry from the last TD submitted */ + u32 last_iso; /* time stamp of last queued ISO transfer */ + struct td *td_head; /* a pointer to the current TD handled */ +}; + +struct td { + void *data; /* a pointer to the data buffer */ + unsigned int len; /* length of the data to be submitted */ + unsigned int actual_len; /* actual bytes transfered on this td */ + enum fhci_ta_type type; /* transaction type */ + u8 toggle; /* toggle for next trans. within this TD */ + u16 iso_index; /* ISO transaction index */ + u16 start_frame; /* start frame time stamp */ + u16 interval; /* interval between trans. (for ISO/Intr) */ + u32 status; /* status of the TD */ + struct ed *ed; /* a handle to the corresponding ED */ + struct urb *urb; /* a handle to the corresponding URB */ + bool ioc; /* Inform On Completion */ + struct list_head node; + + /* read only parameters should be cleared upon initialization */ + struct packet *pkt; + int nak_cnt; + int error_cnt; + struct list_head frame_lh; +}; + +struct packet { + u8 *data; /* packet data */ + u32 len; /* packet length */ + u32 status; /* status of the packet - equivalent to the status + * field for the corresponding structure td */ + u32 info; /* packet information */ + void __iomem *priv_data; /* private data of the driver (TDs or BDs) */ +}; + +/* struct for each URB */ +#define URB_INPROGRESS 0 +#define URB_DEL 1 + +/* URB states (state field) */ +#define US_BULK 0 +#define US_BULK0 1 + +/* three setup states */ +#define US_CTRL_SETUP 2 +#define US_CTRL_DATA 1 +#define US_CTRL_ACK 0 + +#define EP_ZERO 0 + +struct urb_priv { + int num_of_tds; + int tds_cnt; + int state; + + struct td **tds; + struct ed *ed; + struct timer_list time_out; +}; + +struct endpoint { + /* Pointer to ep parameter RAM */ + struct fhci_ep_pram __iomem *ep_pram_ptr; + + /* Host transactions */ + struct usb_td __iomem *td_base; /* first TD in the ring */ + struct usb_td __iomem *conf_td; /* next TD for confirm after transac */ + struct usb_td __iomem *empty_td;/* next TD for new transaction req. */ + struct kfifo *empty_frame_Q; /* Empty frames list to use */ + struct kfifo *conf_frame_Q; /* frames passed to TDs,waiting for tx */ + struct kfifo *dummy_packets_Q;/* dummy packets for the CRC overun */ + + bool already_pushed_dummy_bd; +}; + +/* struct for each 1mSec frame time */ +#define FRAME_IS_TRANSMITTED 0x00 +#define FRAME_TIMER_END_TRANSMISSION 0x01 +#define FRAME_DATA_END_TRANSMISSION 0x02 +#define FRAME_END_TRANSMISSION 0x03 +#define FRAME_IS_PREPARED 0x04 + +struct fhci_time_frame { + u16 frame_num; /* frame number */ + u16 total_bytes; /* total bytes submitted within this frame */ + u8 frame_status; /* flag that indicates to stop fill this frame */ + struct list_head tds_list; /* all tds of this frame */ +}; + +/* internal driver structure*/ +struct fhci_usb { + u16 saved_msk; /* saving of the USB mask register */ + struct endpoint *ep0; /* pointer for endpoint0 structure */ + int intr_nesting_cnt; /* interrupt nesting counter */ + u16 max_frame_usage; /* max frame time usage,in micro-sec */ + u16 max_bytes_per_frame; /* max byte can be tx in one time frame */ + u32 sw_transaction_time; /* sw complete trans time,in micro-sec */ + struct fhci_time_frame *actual_frame; + struct fhci_controller_list *hc_list; /* main structure for hc */ + struct virtual_root_hub *vroot_hub; + enum fhci_port_status port_status; /* v_rh port status */ + + u32 (*transfer_confirm)(struct fhci_hcd *fhci); + + struct fhci_hcd *fhci; +}; + +/* + * Various helpers and prototypes below. + */ + +static inline u16 get_frame_num(struct fhci_hcd *fhci) +{ + return in_be16(&fhci->pram->frame_num) & 0x07ff; +} + +#define fhci_dbg(fhci, fmt, args...) \ + dev_dbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args) +#define fhci_vdbg(fhci, fmt, args...) \ + dev_vdbg(fhci_to_hcd(fhci)->self.controller, fmt, ##args) +#define fhci_err(fhci, fmt, args...) \ + dev_err(fhci_to_hcd(fhci)->self.controller, fmt, ##args) +#define fhci_info(fhci, fmt, args...) \ + dev_info(fhci_to_hcd(fhci)->self.controller, fmt, ##args) +#define fhci_warn(fhci, fmt, args...) \ + dev_warn(fhci_to_hcd(fhci)->self.controller, fmt, ##args) + +static inline struct fhci_hcd *hcd_to_fhci(struct usb_hcd *hcd) +{ + return (struct fhci_hcd *)hcd->hcd_priv; +} + +static inline struct usb_hcd *fhci_to_hcd(struct fhci_hcd *fhci) +{ + return container_of((void *)fhci, struct usb_hcd, hcd_priv); +} + +/* fifo of pointers */ +static inline struct kfifo *cq_new(int size) +{ + return kfifo_alloc(size * sizeof(void *), GFP_KERNEL, NULL); +} + +static inline void cq_delete(struct kfifo *kfifo) +{ + kfifo_free(kfifo); +} + +static inline unsigned int cq_howmany(struct kfifo *kfifo) +{ + return __kfifo_len(kfifo) / sizeof(void *); +} + +static inline int cq_put(struct kfifo *kfifo, void *p) +{ + return __kfifo_put(kfifo, (void *)&p, sizeof(p)); +} + +static inline void *cq_get(struct kfifo *kfifo) +{ + void *p = NULL; + + __kfifo_get(kfifo, (void *)&p, sizeof(p)); + return p; +} + +/* fhci-hcd.c */ +void fhci_start_sof_timer(struct fhci_hcd *fhci); +void fhci_stop_sof_timer(struct fhci_hcd *fhci); +u16 fhci_get_sof_timer_count(struct fhci_usb *usb); +void fhci_usb_enable_interrupt(struct fhci_usb *usb); +void fhci_usb_disable_interrupt(struct fhci_usb *usb); +int fhci_ioports_check_bus_state(struct fhci_hcd *fhci); + +/* fhci-mem.c */ +void fhci_recycle_empty_td(struct fhci_hcd *fhci, struct td *td); +void fhci_recycle_empty_ed(struct fhci_hcd *fhci, struct ed *ed); +struct ed *fhci_get_empty_ed(struct fhci_hcd *fhci); +struct td *fhci_td_fill(struct fhci_hcd *fhci, struct urb *urb, + struct urb_priv *urb_priv, struct ed *ed, u16 index, + enum fhci_ta_type type, int toggle, u8 *data, u32 len, + u16 interval, u16 start_frame, bool ioc); +void fhci_add_tds_to_ed(struct ed *ed, struct td **td_list, int number); + +/* fhci-hub.c */ +void fhci_config_transceiver(struct fhci_hcd *fhci, + enum fhci_port_status status); +void fhci_port_disable(struct fhci_hcd *fhci); +void fhci_port_enable(void *lld); +void fhci_io_port_generate_reset(struct fhci_hcd *fhci); +void fhci_port_reset(void *lld); +int fhci_hub_status_data(struct usb_hcd *hcd, char *buf); +int fhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, + u16 wIndex, char *buf, u16 wLength); + +/* fhci-tds.c */ +void fhci_flush_bds(struct fhci_usb *usb); +void fhci_flush_actual_frame(struct fhci_usb *usb); +u32 fhci_host_transaction(struct fhci_usb *usb, struct packet *pkt, + enum fhci_ta_type trans_type, u8 dest_addr, + u8 dest_ep, enum fhci_tf_mode trans_mode, + enum fhci_speed dest_speed, u8 data_toggle); +void fhci_host_transmit_actual_frame(struct fhci_usb *usb); +void fhci_tx_conf_interrupt(struct fhci_usb *usb); +void fhci_push_dummy_bd(struct endpoint *ep); +u32 fhci_create_ep(struct fhci_usb *usb, enum fhci_mem_alloc data_mem, + u32 ring_len); +void fhci_init_ep_registers(struct fhci_usb *usb, + struct endpoint *ep, + enum fhci_mem_alloc data_mem); +void fhci_ep0_free(struct fhci_usb *usb); + +/* fhci-sched.c */ +extern struct tasklet_struct fhci_tasklet; +void fhci_transaction_confirm(struct fhci_usb *usb, struct packet *pkt); +void fhci_flush_all_transmissions(struct fhci_usb *usb); +void fhci_schedule_transactions(struct fhci_usb *usb); +void fhci_device_connected_interrupt(struct fhci_hcd *fhci); +void fhci_device_disconnected_interrupt(struct fhci_hcd *fhci); +void fhci_queue_urb(struct fhci_hcd *fhci, struct urb *urb); +u32 fhci_transfer_confirm_callback(struct fhci_hcd *fhci); +irqreturn_t fhci_irq(struct usb_hcd *hcd); +irqreturn_t fhci_frame_limit_timer_irq(int irq, void *_hcd); + +/* fhci-q.h */ +void fhci_urb_complete_free(struct fhci_hcd *fhci, struct urb *urb); +struct td *fhci_remove_td_from_ed(struct ed *ed); +struct td *fhci_remove_td_from_frame(struct fhci_time_frame *frame); +void fhci_move_td_from_ed_to_done_list(struct fhci_usb *usb, struct ed *ed); +struct td *fhci_peek_td_from_frame(struct fhci_time_frame *frame); +void fhci_add_td_to_frame(struct fhci_time_frame *frame, struct td *td); +struct td *fhci_remove_td_from_done_list(struct fhci_controller_list *p_list); +void fhci_done_td(struct urb *urb, struct td *td); +void fhci_del_ed_list(struct fhci_hcd *fhci, struct ed *ed); + +#ifdef CONFIG_FHCI_DEBUG + +void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er); +void fhci_dfs_destroy(struct fhci_hcd *fhci); +void fhci_dfs_create(struct fhci_hcd *fhci); + +#else + +static inline void fhci_dbg_isr(struct fhci_hcd *fhci, int usb_er) {} +static inline void fhci_dfs_destroy(struct fhci_hcd *fhci) {} +static inline void fhci_dfs_create(struct fhci_hcd *fhci) {} + +#endif /* CONFIG_FHCI_DEBUG */ + +#endif /* __FHCI_H */ diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c index 65a9609..5cf5f1e 100644 --- a/drivers/usb/host/ohci-hcd.c +++ b/drivers/usb/host/ohci-hcd.c @@ -593,12 +593,10 @@ static int ohci_run (struct ohci_hcd *ohci) * to be checked in case boot firmware (BIOS/SMM/...) has set up * wakeup in a way the bus isn't aware of (e.g., legacy PCI PM). * If the bus glue detected wakeup capability then it should - * already be enabled. Either way, if wakeup should be enabled - * but isn't, we'll enable it now. + * already be enabled; if so we'll just enable it again. */ - if ((ohci->hc_control & OHCI_CTRL_RWC) != 0 - && !device_can_wakeup(hcd->self.controller)) - device_init_wakeup(hcd->self.controller, 1); + if ((ohci->hc_control & OHCI_CTRL_RWC) != 0) + device_set_wakeup_capable(hcd->self.controller, 1); switch (ohci->hc_control & OHCI_CTRL_HCFS) { case OHCI_USB_OPER: diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c index 4bbddb7..f3aaba3 100644 --- a/drivers/usb/host/ohci-omap.c +++ b/drivers/usb/host/ohci-omap.c @@ -315,14 +315,14 @@ static int usb_hcd_omap_probe (const struct hc_driver *driver, return -ENODEV; } - usb_host_ck = clk_get(0, "usb_hhc_ck"); + usb_host_ck = clk_get(&pdev->dev, "usb_hhc_ck"); if (IS_ERR(usb_host_ck)) return PTR_ERR(usb_host_ck); if (!cpu_is_omap15xx()) - usb_dc_ck = clk_get(0, "usb_dc_ck"); + usb_dc_ck = clk_get(&pdev->dev, "usb_dc_ck"); else - usb_dc_ck = clk_get(0, "lb_ck"); + usb_dc_ck = clk_get(&pdev->dev, "lb_ck"); if (IS_ERR(usb_dc_ck)) { clk_put(usb_host_ck); diff --git a/drivers/usb/host/ohci-pci.c b/drivers/usb/host/ohci-pci.c index 8b28ae7..5d625c3 100644 --- a/drivers/usb/host/ohci-pci.c +++ b/drivers/usb/host/ohci-pci.c @@ -487,7 +487,6 @@ static struct pci_driver ohci_pci_driver = { #ifdef CONFIG_PM .suspend = usb_hcd_pci_suspend, - .suspend_late = usb_hcd_pci_suspend_late, .resume_early = usb_hcd_pci_resume_early, .resume = usb_hcd_pci_resume, #endif diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c index 4e22106..944f7e0 100644 --- a/drivers/usb/host/uhci-hcd.c +++ b/drivers/usb/host/uhci-hcd.c @@ -942,7 +942,6 @@ static struct pci_driver uhci_pci_driver = { #ifdef CONFIG_PM .suspend = usb_hcd_pci_suspend, - .suspend_late = usb_hcd_pci_suspend_late, .resume_early = usb_hcd_pci_resume_early, .resume = usb_hcd_pci_resume, #endif /* PM */ diff --git a/drivers/usb/host/whci/asl.c b/drivers/usb/host/whci/asl.c index 577c0d2..2291c5f 100644 --- a/drivers/usb/host/whci/asl.c +++ b/drivers/usb/host/whci/asl.c @@ -170,12 +170,17 @@ void asl_stop(struct whc *whc) void asl_update(struct whc *whc, uint32_t wusbcmd) { struct wusbhc *wusbhc = &whc->wusbhc; + long t; mutex_lock(&wusbhc->mutex); if (wusbhc->active) { whc_write_wusbcmd(whc, wusbcmd, wusbcmd); - wait_event(whc->async_list_wq, - (le_readl(whc->base + WUSBCMD) & WUSBCMD_ASYNC_UPDATED) == 0); + t = wait_event_timeout( + whc->async_list_wq, + (le_readl(whc->base + WUSBCMD) & WUSBCMD_ASYNC_UPDATED) == 0, + msecs_to_jiffies(1000)); + if (t == 0) + whc_hw_error(whc, "ASL update timeout"); } mutex_unlock(&wusbhc->mutex); } diff --git a/drivers/usb/host/whci/hw.c b/drivers/usb/host/whci/hw.c index d498e72..6afa2e3 100644 --- a/drivers/usb/host/whci/hw.c +++ b/drivers/usb/host/whci/hw.c @@ -87,3 +87,18 @@ out: return ret; } + +/** + * whc_hw_error - recover from a hardware error + * @whc: the WHCI HC that broke. + * @reason: a description of the failure. + * + * Recover from broken hardware with a full reset. + */ +void whc_hw_error(struct whc *whc, const char *reason) +{ + struct wusbhc *wusbhc = &whc->wusbhc; + + dev_err(&whc->umc->dev, "hardware error: %s\n", reason); + wusbhc_reset_all(wusbhc); +} diff --git a/drivers/usb/host/whci/pzl.c b/drivers/usb/host/whci/pzl.c index 2ae5abf..7dc85a0 100644 --- a/drivers/usb/host/whci/pzl.c +++ b/drivers/usb/host/whci/pzl.c @@ -183,12 +183,17 @@ void pzl_stop(struct whc *whc) void pzl_update(struct whc *whc, uint32_t wusbcmd) { struct wusbhc *wusbhc = &whc->wusbhc; + long t; mutex_lock(&wusbhc->mutex); if (wusbhc->active) { whc_write_wusbcmd(whc, wusbcmd, wusbcmd); - wait_event(whc->periodic_list_wq, - (le_readl(whc->base + WUSBCMD) & WUSBCMD_PERIODIC_UPDATED) == 0); + t = wait_event_timeout( + whc->periodic_list_wq, + (le_readl(whc->base + WUSBCMD) & WUSBCMD_PERIODIC_UPDATED) == 0, + msecs_to_jiffies(1000)); + if (t == 0) + whc_hw_error(whc, "PZL update timeout"); } mutex_unlock(&wusbhc->mutex); } diff --git a/drivers/usb/host/whci/whcd.h b/drivers/usb/host/whci/whcd.h index 0f3540f..d3543a1 100644 --- a/drivers/usb/host/whci/whcd.h +++ b/drivers/usb/host/whci/whcd.h @@ -137,6 +137,7 @@ void whc_clean_up(struct whc *whc); /* hw.c */ void whc_write_wusbcmd(struct whc *whc, u32 mask, u32 val); int whc_do_gencmd(struct whc *whc, u32 cmd, u32 params, void *addr, size_t len); +void whc_hw_error(struct whc *whc, const char *reason); /* wusb.c */ int whc_wusbhc_start(struct wusbhc *wusbhc); diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c index 189a9db..ad4fb15 100644 --- a/drivers/usb/misc/ldusb.c +++ b/drivers/usb/misc/ldusb.c @@ -57,7 +57,6 @@ #define USB_DEVICE_ID_LD_MACHINETEST 0x2040 /* USB Product ID of Machine Test System */ #define USB_VENDOR_ID_VERNIER 0x08f7 -#define USB_DEVICE_ID_VERNIER_LABPRO 0x0001 #define USB_DEVICE_ID_VERNIER_GOTEMP 0x0002 #define USB_DEVICE_ID_VERNIER_SKIP 0x0003 #define USB_DEVICE_ID_VERNIER_CYCLOPS 0x0004 @@ -85,7 +84,6 @@ static struct usb_device_id ld_usb_table [] = { { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) }, { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) }, { USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) }, - { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) }, { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) }, { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) }, { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) }, diff --git a/drivers/usb/mon/mon_bin.c b/drivers/usb/mon/mon_bin.c index e06810a..4cf27c7 100644 --- a/drivers/usb/mon/mon_bin.c +++ b/drivers/usb/mon/mon_bin.c @@ -37,6 +37,7 @@ #define MON_IOCX_GET _IOW(MON_IOC_MAGIC, 6, struct mon_bin_get) #define MON_IOCX_MFETCH _IOWR(MON_IOC_MAGIC, 7, struct mon_bin_mfetch) #define MON_IOCH_MFLUSH _IO(MON_IOC_MAGIC, 8) + #ifdef CONFIG_COMPAT #define MON_IOCX_GET32 _IOW(MON_IOC_MAGIC, 6, struct mon_bin_get32) #define MON_IOCX_MFETCH32 _IOWR(MON_IOC_MAGIC, 7, struct mon_bin_mfetch32) @@ -921,21 +922,6 @@ static int mon_bin_ioctl(struct inode *inode, struct file *file, } break; -#ifdef CONFIG_COMPAT - case MON_IOCX_GET32: { - struct mon_bin_get32 getb; - - if (copy_from_user(&getb, (void __user *)arg, - sizeof(struct mon_bin_get32))) - return -EFAULT; - - ret = mon_bin_get_event(file, rp, - compat_ptr(getb.hdr32), compat_ptr(getb.data32), - getb.alloc32); - } - break; -#endif - case MON_IOCX_MFETCH: { struct mon_bin_mfetch mfetch; @@ -962,7 +948,57 @@ static int mon_bin_ioctl(struct inode *inode, struct file *file, } break; + case MON_IOCG_STATS: { + struct mon_bin_stats __user *sp; + unsigned int nevents; + unsigned int ndropped; + + spin_lock_irqsave(&rp->b_lock, flags); + ndropped = rp->cnt_lost; + rp->cnt_lost = 0; + spin_unlock_irqrestore(&rp->b_lock, flags); + nevents = mon_bin_queued(rp); + + sp = (struct mon_bin_stats __user *)arg; + if (put_user(rp->cnt_lost, &sp->dropped)) + return -EFAULT; + if (put_user(nevents, &sp->queued)) + return -EFAULT; + + } + break; + + default: + return -ENOTTY; + } + + return ret; +} + #ifdef CONFIG_COMPAT +static long mon_bin_compat_ioctl(struct file *file, + unsigned int cmd, unsigned long arg) +{ + struct mon_reader_bin *rp = file->private_data; + int ret; + + switch (cmd) { + + case MON_IOCX_GET32: { + struct mon_bin_get32 getb; + + if (copy_from_user(&getb, (void __user *)arg, + sizeof(struct mon_bin_get32))) + return -EFAULT; + + ret = mon_bin_get_event(file, rp, + compat_ptr(getb.hdr32), compat_ptr(getb.data32), + getb.alloc32); + if (ret < 0) + return ret; + } + return 0; + case MON_IOCX_MFETCH32: { struct mon_bin_mfetch32 mfetch; @@ -986,37 +1022,25 @@ static int mon_bin_ioctl(struct inode *inode, struct file *file, return ret; if (put_user(ret, &uptr->nfetch32)) return -EFAULT; - ret = 0; } - break; -#endif - - case MON_IOCG_STATS: { - struct mon_bin_stats __user *sp; - unsigned int nevents; - unsigned int ndropped; - - spin_lock_irqsave(&rp->b_lock, flags); - ndropped = rp->cnt_lost; - rp->cnt_lost = 0; - spin_unlock_irqrestore(&rp->b_lock, flags); - nevents = mon_bin_queued(rp); + return 0; - sp = (struct mon_bin_stats __user *)arg; - if (put_user(rp->cnt_lost, &sp->dropped)) - return -EFAULT; - if (put_user(nevents, &sp->queued)) - return -EFAULT; + case MON_IOCG_STATS: + return mon_bin_ioctl(NULL, file, cmd, + (unsigned long) compat_ptr(arg)); - } - break; + case MON_IOCQ_URB_LEN: + case MON_IOCQ_RING_SIZE: + case MON_IOCT_RING_SIZE: + case MON_IOCH_MFLUSH: + return mon_bin_ioctl(NULL, file, cmd, arg); default: - return -ENOTTY; + ; } - - return ret; + return -ENOTTY; } +#endif /* CONFIG_COMPAT */ static unsigned int mon_bin_poll(struct file *file, struct poll_table_struct *wait) @@ -1094,6 +1118,9 @@ static const struct file_operations mon_fops_binary = { /* .write = mon_text_write, */ .poll = mon_bin_poll, .ioctl = mon_bin_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = mon_bin_compat_ioctl, +#endif .release = mon_bin_release, .mmap = mon_bin_mmap, }; diff --git a/drivers/usb/musb/Kconfig b/drivers/usb/musb/Kconfig index 5af7379..9985db0 100644 --- a/drivers/usb/musb/Kconfig +++ b/drivers/usb/musb/Kconfig @@ -11,6 +11,7 @@ config USB_MUSB_HDRC depends on (USB || USB_GADGET) && HAVE_CLK depends on !SUPERH select TWL4030_USB if MACH_OMAP_3430SDP + select USB_OTG_UTILS tristate 'Inventra Highspeed Dual Role Controller (TI, ADI, ...)' help Say Y here if your system has a dual role high speed USB @@ -49,7 +50,7 @@ comment "OMAP 343x high speed USB support" depends on USB_MUSB_HDRC && ARCH_OMAP34XX comment "Blackfin high speed USB Support" - depends on USB_MUSB_HDRC && (BF54x && !BF544) || (BF52x && !BF522 && !BF523) + depends on USB_MUSB_HDRC && ((BF54x && !BF544) || (BF52x && !BF522 && !BF523)) config USB_TUSB6010 boolean "TUSB 6010 support" diff --git a/drivers/usb/musb/cppi_dma.c b/drivers/usb/musb/cppi_dma.c index 5ad6d08..569ef0f 100644 --- a/drivers/usb/musb/cppi_dma.c +++ b/drivers/usb/musb/cppi_dma.c @@ -9,6 +9,7 @@ #include <linux/usb.h> #include "musb_core.h" +#include "musb_debug.h" #include "cppi_dma.h" @@ -423,6 +424,7 @@ cppi_rndis_update(struct cppi_channel *c, int is_rx, } } +#ifdef CONFIG_USB_MUSB_DEBUG static void cppi_dump_rxbd(const char *tag, struct cppi_descriptor *bd) { pr_debug("RXBD/%s %08x: " @@ -431,10 +433,11 @@ static void cppi_dump_rxbd(const char *tag, struct cppi_descriptor *bd) bd->hw_next, bd->hw_bufp, bd->hw_off_len, bd->hw_options); } +#endif static void cppi_dump_rxq(int level, const char *tag, struct cppi_channel *rx) { -#if MUSB_DEBUG > 0 +#ifdef CONFIG_USB_MUSB_DEBUG struct cppi_descriptor *bd; if (!_dbg_level(level)) @@ -881,12 +884,14 @@ cppi_next_rx_segment(struct musb *musb, struct cppi_channel *rx, int onepacket) bd->hw_options |= CPPI_SOP_SET; tail->hw_options |= CPPI_EOP_SET; - if (debug >= 5) { +#ifdef CONFIG_USB_MUSB_DEBUG + if (_dbg_level(5)) { struct cppi_descriptor *d; for (d = rx->head; d; d = d->next) cppi_dump_rxbd("S", d); } +#endif /* in case the preceding transfer left some state... */ tail = rx->last_processed; @@ -990,6 +995,7 @@ static int cppi_channel_program(struct dma_channel *ch, cppi_ch->offset = 0; cppi_ch->maxpacket = maxpacket; cppi_ch->buf_len = len; + cppi_ch->channel.actual_len = 0; /* TX channel? or RX? */ if (cppi_ch->transmit) diff --git a/drivers/usb/musb/davinci.c b/drivers/usb/musb/davinci.c index 0d566dc..5a8fd5d 100644 --- a/drivers/usb/musb/davinci.c +++ b/drivers/usb/musb/davinci.c @@ -32,9 +32,10 @@ #include <linux/io.h> #include <linux/gpio.h> -#include <mach/arch/hardware.h> -#include <mach/arch/memory.h> -#include <mach/arch/gpio.h> +#include <mach/hardware.h> +#include <mach/memory.h> +#include <mach/gpio.h> + #include <asm/mach-types.h> #include "musb_core.h" @@ -370,12 +371,6 @@ int musb_platform_set_mode(struct musb *musb, u8 mode) return -EIO; } -int musb_platform_set_mode(struct musb *musb, u8 mode) -{ - /* EVM can't do this (right?) */ - return -EIO; -} - int __init musb_platform_init(struct musb *musb) { void __iomem *tibase = musb->ctrl_base; diff --git a/drivers/usb/musb/musb_core.c b/drivers/usb/musb/musb_core.c index 6c7faac..2cc34fa 100644 --- a/drivers/usb/musb/musb_core.c +++ b/drivers/usb/musb/musb_core.c @@ -1824,8 +1824,9 @@ static void musb_free(struct musb *musb) musb_gadget_cleanup(musb); #endif - if (musb->nIrq >= 0 && musb->irq_wake) { - disable_irq_wake(musb->nIrq); + if (musb->nIrq >= 0) { + if (musb->irq_wake) + disable_irq_wake(musb->nIrq); free_irq(musb->nIrq, musb); } if (is_dma_capable() && musb->dma_controller) { diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c index 6197dae..4ea3053 100644 --- a/drivers/usb/musb/musb_gadget.c +++ b/drivers/usb/musb/musb_gadget.c @@ -874,10 +874,10 @@ static int musb_gadget_enable(struct usb_ep *ep, status = -EBUSY; goto fail; } - musb_ep->type = desc->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; + musb_ep->type = usb_endpoint_type(desc); /* check direction and (later) maxpacket size against endpoint */ - if ((desc->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK) != epnum) + if (usb_endpoint_num(desc) != epnum) goto fail; /* REVISIT this rules out high bandwidth periodic transfers */ @@ -890,7 +890,7 @@ static int musb_gadget_enable(struct usb_ep *ep, * packet size (or fail), set the mode, clear the fifo */ musb_ep_select(mbase, epnum); - if (desc->bEndpointAddress & USB_DIR_IN) { + if (usb_endpoint_dir_in(desc)) { u16 int_txe = musb_readw(mbase, MUSB_INTRTXE); if (hw_ep->is_shared_fifo) diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 99fa612..a035cec 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -1847,8 +1847,8 @@ static int musb_urb_enqueue( goto done; } - qh->epnum = epd->bEndpointAddress & USB_ENDPOINT_NUMBER_MASK; - qh->type = epd->bmAttributes & USB_ENDPOINT_XFERTYPE_MASK; + qh->epnum = usb_endpoint_num(epd); + qh->type = usb_endpoint_type(epd); /* NOTE: urb->dev->devnum is wrong during SET_ADDRESS */ qh->addr_reg = (u8) usb_pipedevice(urb->pipe); diff --git a/drivers/usb/musb/tusb6010_omap.c b/drivers/usb/musb/tusb6010_omap.c index 52f7f29..7e073a0 100644 --- a/drivers/usb/musb/tusb6010_omap.c +++ b/drivers/usb/musb/tusb6010_omap.c @@ -15,8 +15,8 @@ #include <linux/usb.h> #include <linux/platform_device.h> #include <linux/dma-mapping.h> -#include <asm/arch/dma.h> -#include <asm/arch/mux.h> +#include <mach/dma.h> +#include <mach/mux.h> #include "musb_core.h" diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig index 8e8dbdb..ee55b44 100644 --- a/drivers/usb/otg/Kconfig +++ b/drivers/usb/otg/Kconfig @@ -6,14 +6,14 @@ comment "OTG and related infrastructure" -if USB || USB_GADGET - config USB_OTG_UTILS bool help Select this to make sure the build includes objects from the OTG infrastructure directory. +if USB || USB_GADGET + # # USB Transceiver Drivers # diff --git a/drivers/usb/serial/cp2101.c b/drivers/usb/serial/cp2101.c index cfaf1f0..027f4b7 100644 --- a/drivers/usb/serial/cp2101.c +++ b/drivers/usb/serial/cp2101.c @@ -85,6 +85,8 @@ static struct usb_device_id id_table [] = { { USB_DEVICE(0x10C4, 0x81E2) }, /* Lipowsky Industrie Elektronik GmbH, Baby-LIN */ { USB_DEVICE(0x10C4, 0x81E7) }, /* Aerocomm Radio */ { USB_DEVICE(0x10C4, 0x8218) }, /* Lipowsky Industrie Elektronik GmbH, HARP-1 */ + { USB_DEVICE(0x10C4, 0x822B) }, /* Modem EDGE(GSM) Comander 2 */ + { USB_DEVICE(0x10C4, 0x826B) }, /* Cygnal Integrated Products, Inc., Fasttrax GPS demostration module */ { USB_DEVICE(0x10c4, 0x8293) }, /* Telegesys ETRX2USB */ { USB_DEVICE(0x10C4, 0x8341) }, /* Siemens MC35PU GPRS Modem */ { USB_DEVICE(0x10C4, 0x83A8) }, /* Amber Wireless AMB2560 */ diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index c70a8f6..7559733 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -660,6 +660,8 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) }, { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) }, { USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) }, + { USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) }, + { USB_DEVICE(FTDI_VID, DIEBOLD_BCS_SE923_PID) }, { }, /* Optional parameter entry */ { } /* Terminating entry */ }; diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h index 373ee09..1b62eff 100644 --- a/drivers/usb/serial/ftdi_sio.h +++ b/drivers/usb/serial/ftdi_sio.h @@ -854,6 +854,10 @@ #define FTDI_DOMINTELL_DGQG_PID 0xEF50 /* Master */ #define FTDI_DOMINTELL_DUSB_PID 0xEF51 /* DUSB01 module */ +/* Alti-2 products http://www.alti-2.com */ +#define ALTI2_VID 0x1BC9 +#define ALTI2_N3_PID 0x6001 /* Neptune 3 */ + /* Commands */ #define FTDI_SIO_RESET 0 /* Reset the port */ #define FTDI_SIO_MODEM_CTRL 1 /* Set the modem control register */ @@ -881,6 +885,11 @@ #define RATOC_PRODUCT_ID_USB60F 0xb020 /* + * DIEBOLD BCS SE923 + */ +#define DIEBOLD_BCS_SE923_PID 0xfb99 + +/* * BmRequestType: 1100 0000b * bRequest: FTDI_E2_READ * wValue: 0 diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index 5ed1834..6c89da9 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -158,6 +158,13 @@ static int option_send_setup(struct tty_struct *tty, struct usb_serial_port *po #define HUAWEI_PRODUCT_E143E 0x143E #define HUAWEI_PRODUCT_E143F 0x143F +#define QUANTA_VENDOR_ID 0x0408 +#define QUANTA_PRODUCT_Q101 0xEA02 +#define QUANTA_PRODUCT_Q111 0xEA03 +#define QUANTA_PRODUCT_GLX 0xEA04 +#define QUANTA_PRODUCT_GKE 0xEA05 +#define QUANTA_PRODUCT_GLE 0xEA06 + #define NOVATELWIRELESS_VENDOR_ID 0x1410 /* YISO PRODUCTS */ @@ -224,7 +231,7 @@ static int option_send_setup(struct tty_struct *tty, struct usb_serial_port *po #define ONDA_VENDOR_ID 0x19d2 #define ONDA_PRODUCT_MSA501HS 0x0001 #define ONDA_PRODUCT_ET502HS 0x0002 -#define ONDA_PRODUCT_MT503HS 0x0200 +#define ONDA_PRODUCT_MT503HS 0x2000 #define BANDRICH_VENDOR_ID 0x1A8D #define BANDRICH_PRODUCT_C100_1 0x1002 @@ -298,6 +305,11 @@ static struct usb_device_id option_ids[] = { { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_GT) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_MODEM_EX) }, { USB_DEVICE(OPTION_VENDOR_ID, OPTION_PRODUCT_ETNA_KOI_MODEM) }, + { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q101) }, + { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_Q111) }, + { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLX) }, + { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GKE) }, + { USB_DEVICE(QUANTA_VENDOR_ID, QUANTA_PRODUCT_GLE) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E600, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, HUAWEI_PRODUCT_E220BIS, 0xff, 0xff, 0xff) }, diff --git a/drivers/usb/serial/ti_usb_3410_5052.c b/drivers/usb/serial/ti_usb_3410_5052.c index 3cf41df..baf5911 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.c +++ b/drivers/usb/serial/ti_usb_3410_5052.c @@ -184,6 +184,7 @@ static struct usb_device_id ti_id_table_3410[7+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(MTS_VENDOR_ID, MTS_CDMA_PRODUCT_ID) }, { USB_DEVICE(MTS_VENDOR_ID, MTS_GSM_PRODUCT_ID) }, { USB_DEVICE(MTS_VENDOR_ID, MTS_EDGE_PRODUCT_ID) }, + { USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) }, }; static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = { @@ -191,6 +192,7 @@ static struct usb_device_id ti_id_table_5052[4+TI_EXTRA_VID_PID_COUNT+1] = { { USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) }, + { USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) }, }; static struct usb_device_id ti_id_table_combined[6+2*TI_EXTRA_VID_PID_COUNT+1] = { @@ -205,6 +207,7 @@ static struct usb_device_id ti_id_table_combined[6+2*TI_EXTRA_VID_PID_COUNT+1] = { USB_DEVICE(TI_VENDOR_ID, TI_5152_BOOT_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_EEPROM_PRODUCT_ID) }, { USB_DEVICE(TI_VENDOR_ID, TI_5052_FIRMWARE_PRODUCT_ID) }, + { USB_DEVICE(IBM_VENDOR_ID, IBM_4543_PRODUCT_ID) }, { } }; diff --git a/drivers/usb/serial/ti_usb_3410_5052.h b/drivers/usb/serial/ti_usb_3410_5052.h index 7e4752f..b7ea5db 100644 --- a/drivers/usb/serial/ti_usb_3410_5052.h +++ b/drivers/usb/serial/ti_usb_3410_5052.h @@ -27,7 +27,9 @@ /* Vendor and product ids */ #define TI_VENDOR_ID 0x0451 +#define IBM_VENDOR_ID 0x04b3 #define TI_3410_PRODUCT_ID 0x3410 +#define IBM_4543_PRODUCT_ID 0x4543 #define TI_3410_EZ430_ID 0xF430 /* TI ez430 development tool */ #define TI_5052_BOOT_PRODUCT_ID 0x5052 /* no EEPROM, no firmware */ #define TI_5152_BOOT_PRODUCT_ID 0x5152 /* no EEPROM, no firmware */ diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h index a7f9513..69269f7 100644 --- a/drivers/usb/storage/unusual_devs.h +++ b/drivers/usb/storage/unusual_devs.h @@ -995,6 +995,16 @@ UNUSUAL_DEV( 0x071b, 0x3203, 0x0000, 0x0000, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_NO_WP_DETECT | US_FL_MAX_SECTORS_64), +/* Reported by Jean-Baptiste Onofre <jb@nanthrax.net> + * Support the following product : + * "Dane-Elec MediaTouch" + */ +UNUSUAL_DEV( 0x071b, 0x32bb, 0x0000, 0x0000, + "RockChip", + "MTP", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_NO_WP_DETECT | US_FL_MAX_SECTORS_64), + /* Reported by Massimiliano Ghilardi <massimiliano.ghilardi@gmail.com> * This USB MP3/AVI player device fails and disconnects if more than 128 * sectors (64kB) are read/written in a single command, and may be present @@ -1251,6 +1261,13 @@ UNUSUAL_DEV( 0x0840, 0x0084, 0x0001, 0x0001, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_FIX_CAPACITY), +/* Reported by Martijn Hijdra <martijn.hijdra@gmail.com> */ +UNUSUAL_DEV( 0x0840, 0x0085, 0x0001, 0x0001, + "Argosy", + "Storage", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_FIX_CAPACITY), + /* Entry and supporting patch by Theodore Kilgore <kilgota@auburn.edu>. * Flag will support Bulk devices which use a standards-violating 32-byte * Command Block Wrapper. Here, the "DC2MEGA" cameras (several brands) with @@ -1589,6 +1606,13 @@ UNUSUAL_DEV( 0x0fce, 0xd008, 0x0000, 0x0000, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_NO_WP_DETECT ), +/* Reported by The Solutor <thesolutor@gmail.com> */ +UNUSUAL_DEV( 0x0fce, 0xd0e1, 0x0000, 0x0000, + "Sony Ericsson", + "MD400", + US_SC_DEVICE, US_PR_DEVICE, NULL, + US_FL_IGNORE_DEVICE), + /* Reported by Jan Mate <mate@fiit.stuba.sk> * and by Soeren Sonnenburg <kernel@nn7.de> */ UNUSUAL_DEV( 0x0fce, 0xe030, 0x0000, 0x0000, @@ -2031,15 +2055,11 @@ UNUSUAL_DEV( 0x1652, 0x6600, 0x0201, 0x0201, US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_IGNORE_RESIDUE ), -/* Reported by Mauro Andreolini <andreoli@weblab.ing.unimo.it> - * This entry is needed to bypass the ZeroCD mechanism - * and to properly load as a modem device. - */ -UNUSUAL_DEV( 0x19d2, 0x2000, 0x0000, 0x0000, - "Onda ET502HS", - "USB MMC Storage", +UNUSUAL_DEV( 0x2116, 0x0320, 0x0001, 0x0001, + "ST", + "2A", US_SC_DEVICE, US_PR_DEVICE, NULL, - US_FL_IGNORE_DEVICE), + US_FL_FIX_CAPACITY), /* patch submitted by Davide Perini <perini.davide@dpsoftware.org> * and Renato Perini <rperini@email.it> diff --git a/drivers/usb/wusbcore/devconnect.c b/drivers/usb/wusbcore/devconnect.c index e2e7e4b..8e18141 100644 --- a/drivers/usb/wusbcore/devconnect.c +++ b/drivers/usb/wusbcore/devconnect.c @@ -386,6 +386,7 @@ static void __wusbhc_dev_disconnect(struct wusbhc *wusbhc, | USB_PORT_STAT_LOW_SPEED | USB_PORT_STAT_HIGH_SPEED); port->change |= USB_PORT_STAT_C_CONNECTION | USB_PORT_STAT_C_ENABLE; if (wusb_dev) { + dev_dbg(wusbhc->dev, "disconnecting device from port %d\n", wusb_dev->port_idx); if (!list_empty(&wusb_dev->cack_node)) list_del_init(&wusb_dev->cack_node); /* For the one in cack_add() */ diff --git a/drivers/usb/wusbcore/rh.c b/drivers/usb/wusbcore/rh.c index 3937bf6..9fe4246 100644 --- a/drivers/usb/wusbcore/rh.c +++ b/drivers/usb/wusbcore/rh.c @@ -100,6 +100,9 @@ static int wusbhc_rh_port_reset(struct wusbhc *wusbhc, u8 port_idx) struct wusb_port *port = wusb_port_by_idx(wusbhc, port_idx); struct wusb_dev *wusb_dev = port->wusb_dev; + if (wusb_dev == NULL) + return -ENOTCONN; + port->status |= USB_PORT_STAT_RESET; port->change |= USB_PORT_STAT_C_RESET; diff --git a/drivers/uwb/allocator.c b/drivers/uwb/allocator.c index c8185e6..c13cec7 100644 --- a/drivers/uwb/allocator.c +++ b/drivers/uwb/allocator.c @@ -15,7 +15,6 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ -#include <linux/version.h> #include <linux/kernel.h> #include <linux/uwb.h> diff --git a/drivers/uwb/drp.c b/drivers/uwb/drp.c index 2b4f940..4f5ca99 100644 --- a/drivers/uwb/drp.c +++ b/drivers/uwb/drp.c @@ -66,14 +66,14 @@ static void uwb_rc_set_drp_cmd_done(struct uwb_rc *rc, void *arg, } else dev_err(&rc->uwb_dev.dev, "SET-DRP-IE: timeout\n"); - spin_lock(&rc->rsvs_lock); + spin_lock_bh(&rc->rsvs_lock); if (rc->set_drp_ie_pending > 1) { rc->set_drp_ie_pending = 0; uwb_rsv_queue_update(rc); } else { rc->set_drp_ie_pending = 0; } - spin_unlock(&rc->rsvs_lock); + spin_unlock_bh(&rc->rsvs_lock); } /** diff --git a/drivers/uwb/rsv.c b/drivers/uwb/rsv.c index ec6eecb..6b76f4b 100644 --- a/drivers/uwb/rsv.c +++ b/drivers/uwb/rsv.c @@ -114,7 +114,8 @@ void uwb_rsv_dump(char *text, struct uwb_rsv *rsv) devaddr = rsv->target.devaddr; uwb_dev_addr_print(target, sizeof(target), &devaddr); - dev_dbg(dev, "rsv %s -> %s: %s\n", owner, target, uwb_rsv_state_str(rsv->state)); + dev_dbg(dev, "rsv %s %s -> %s: %s\n", + text, owner, target, uwb_rsv_state_str(rsv->state)); } static void uwb_rsv_release(struct kref *kref) @@ -511,8 +512,7 @@ void uwb_rsv_remove(struct uwb_rsv *rsv) if (uwb_rsv_is_owner(rsv)) uwb_rsv_put_stream(rsv); - - del_timer_sync(&rsv->timer); + uwb_dev_put(rsv->owner); if (rsv->target.type == UWB_RSV_TARGET_DEV) uwb_dev_put(rsv->target.dev); @@ -870,7 +870,7 @@ void uwb_rsv_queue_update(struct uwb_rc *rc) */ void uwb_rsv_sched_update(struct uwb_rc *rc) { - spin_lock(&rc->rsvs_lock); + spin_lock_bh(&rc->rsvs_lock); if (!delayed_work_pending(&rc->rsv_update_work)) { if (rc->set_drp_ie_pending > 0) { rc->set_drp_ie_pending++; @@ -879,7 +879,7 @@ void uwb_rsv_sched_update(struct uwb_rc *rc) uwb_rsv_queue_update(rc); } unlock: - spin_unlock(&rc->rsvs_lock); + spin_unlock_bh(&rc->rsvs_lock); } /* @@ -943,13 +943,22 @@ void uwb_rsv_remove_all(struct uwb_rc *rc) mutex_lock(&rc->rsvs_mutex); list_for_each_entry_safe(rsv, t, &rc->reservations, rc_node) { - uwb_rsv_remove(rsv); + if (rsv->state != UWB_RSV_STATE_NONE) + uwb_rsv_set_state(rsv, UWB_RSV_STATE_NONE); + del_timer_sync(&rsv->timer); } /* Cancel any postponed update. */ rc->set_drp_ie_pending = 0; mutex_unlock(&rc->rsvs_mutex); cancel_delayed_work_sync(&rc->rsv_update_work); + flush_workqueue(rc->rsv_workq); + + mutex_lock(&rc->rsvs_mutex); + list_for_each_entry_safe(rsv, t, &rc->reservations, rc_node) { + uwb_rsv_remove(rsv); + } + mutex_unlock(&rc->rsvs_mutex); } void uwb_rsv_init(struct uwb_rc *rc) diff --git a/drivers/video/Kconfig b/drivers/video/Kconfig index 6372f8b..f026770 100644 --- a/drivers/video/Kconfig +++ b/drivers/video/Kconfig @@ -41,7 +41,7 @@ menuconfig FB You need an utility program called fbset to make full use of frame buffer devices. Please read <file:Documentation/fb/framebuffer.txt> and the Framebuffer-HOWTO at - <http://www.tahallah.demon.co.uk/programming/prog.html> for more + <http://www.munted.org.uk/programming/Framebuffer-HOWTO-1.2.html> for more information. Say Y here and to the driver for your graphics board below if you @@ -2123,6 +2123,18 @@ config FB_PRE_INIT_FB Select this option if display contents should be inherited as set by the bootloader. +config FB_MX3 + tristate "MX3 Framebuffer support" + depends on FB && MX3_IPU + select FB_CFB_FILLRECT + select FB_CFB_COPYAREA + select FB_CFB_IMAGEBLIT + default y + help + This is a framebuffer device for the i.MX31 LCD Controller. So + far only synchronous displays are supported. If you plan to use + an LCD display with your i.MX31 system, say Y here. + source "drivers/video/omap/Kconfig" source "drivers/video/backlight/Kconfig" diff --git a/drivers/video/Makefile b/drivers/video/Makefile index be2b657..2a998ca 100644 --- a/drivers/video/Makefile +++ b/drivers/video/Makefile @@ -132,6 +132,7 @@ obj-$(CONFIG_FB_VGA16) += vga16fb.o obj-$(CONFIG_FB_OF) += offb.o obj-$(CONFIG_FB_BF54X_LQ043) += bf54x-lq043fb.o obj-$(CONFIG_FB_BFIN_T350MCQB) += bfin-t350mcqb-fb.o +obj-$(CONFIG_FB_MX3) += mx3fb.o # the test framebuffer is last obj-$(CONFIG_FB_VIRTUAL) += vfb.o diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c index db16112..e6e299f 100644 --- a/drivers/video/aty/aty128fb.c +++ b/drivers/video/aty/aty128fb.c @@ -1475,7 +1475,7 @@ static int aty128fb_set_par(struct fb_info *info) aty128_set_pll(&par->pll, par); aty128_set_fifo(&par->fifo_reg, par); - config = aty_ld_le32(CONFIG_CNTL) & ~3; + config = aty_ld_le32(CNFG_CNTL) & ~3; #if defined(__BIG_ENDIAN) if (par->crtc.bpp == 32) @@ -1484,7 +1484,7 @@ static int aty128fb_set_par(struct fb_info *info) config |= 1; /* make aperture do 16 bit swapping */ #endif - aty_st_le32(CONFIG_CNTL, config); + aty_st_le32(CNFG_CNTL, config); aty_st_8(CRTC_EXT_CNTL + 1, 0); /* turn the video back on */ info->fix.line_length = (par->crtc.vxres * par->crtc.bpp) >> 3; @@ -1875,7 +1875,7 @@ static int __devinit aty128_init(struct pci_dev *pdev, const struct pci_device_i u32 dac; /* Get the chip revision */ - chip_rev = (aty_ld_le32(CONFIG_CNTL) >> 16) & 0x1F; + chip_rev = (aty_ld_le32(CNFG_CNTL) >> 16) & 0x1F; strcpy(video_card, "Rage128 XX "); video_card[8] = ent->device >> 8; @@ -2057,7 +2057,7 @@ static int __devinit aty128_probe(struct pci_dev *pdev, const struct pci_device_ /* Grab memory size from the card */ // How does this relate to the resource length from the PCI hardware? - par->vram_size = aty_ld_le32(CONFIG_MEMSIZE) & 0x03FFFFFF; + par->vram_size = aty_ld_le32(CNFG_MEMSIZE) & 0x03FFFFFF; /* Virtualize the framebuffer */ info->screen_base = ioremap(fb_addr, par->vram_size); @@ -2374,6 +2374,8 @@ static void aty128_set_suspend(struct aty128fb_par *par, int suspend) /* Set the chip into the appropriate suspend mode (we use D2, * D3 would require a complete re-initialisation of the chip, * including PCI config registers, clocks, AGP configuration, ...) + * + * For resume, the core will have already brought us back to D0 */ if (suspend) { /* Make sure CRTC2 is reset. Remove that the day we decide to @@ -2391,17 +2393,9 @@ static void aty128_set_suspend(struct aty128fb_par *par, int suspend) aty_st_le32(BUS_CNTL1, 0x00000010); aty_st_le32(MEM_POWER_MISC, 0x0c830000); mdelay(100); - pci_read_config_word(pdev, par->pm_reg+PCI_PM_CTRL, &pwr_command); + /* Switch PCI power management to D2 */ - pci_write_config_word(pdev, par->pm_reg+PCI_PM_CTRL, - (pwr_command & ~PCI_PM_CTRL_STATE_MASK) | 2); - pci_read_config_word(pdev, par->pm_reg+PCI_PM_CTRL, &pwr_command); - } else { - /* Switch back PCI power management to D0 */ - mdelay(100); - pci_write_config_word(pdev, par->pm_reg+PCI_PM_CTRL, 0); - pci_read_config_word(pdev, par->pm_reg+PCI_PM_CTRL, &pwr_command); - mdelay(100); + pci_set_power_state(pdev, PCI_D2); } } @@ -2410,6 +2404,12 @@ static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state) struct fb_info *info = pci_get_drvdata(pdev); struct aty128fb_par *par = info->par; + /* Because we may change PCI D state ourselves, we need to + * first save the config space content so the core can + * restore it properly on resume. + */ + pci_save_state(pdev); + /* We don't do anything but D2, for now we return 0, but * we may want to change that. How do we know if the BIOS * can properly take care of D3 ? Also, with swsusp, we @@ -2476,6 +2476,11 @@ static int aty128_do_resume(struct pci_dev *pdev) if (pdev->dev.power.power_state.event == PM_EVENT_ON) return 0; + /* PCI state will have been restored by the core, so + * we should be in D0 now with our config space fully + * restored + */ + /* Wakeup chip */ aty128_set_suspend(par, 0); par->asleep = 0; diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c index cc6b470..1207c20 100644 --- a/drivers/video/aty/atyfb_base.c +++ b/drivers/video/aty/atyfb_base.c @@ -135,7 +135,7 @@ #if defined(CONFIG_PM) || defined(CONFIG_PMAC_BACKLIGHT) || \ defined (CONFIG_FB_ATY_GENERIC_LCD) || defined(CONFIG_FB_ATY_BACKLIGHT) static const u32 lt_lcd_regs[] = { - CONFIG_PANEL_LG, + CNFG_PANEL_LG, LCD_GEN_CNTL_LG, DSTN_CONTROL_LG, HFB_PITCH_ADDR_LG, @@ -446,7 +446,7 @@ static int __devinit correct_chipset(struct atyfb_par *par) par->pll_limits.ecp_max = aty_chips[i].ecp_max; par->features = aty_chips[i].features; - chip_id = aty_ld_le32(CONFIG_CHIP_ID, par); + chip_id = aty_ld_le32(CNFG_CHIP_ID, par); type = chip_id & CFG_CHIP_TYPE; rev = (chip_id & CFG_CHIP_REV) >> 24; @@ -629,7 +629,7 @@ static void aty_get_crtc(const struct atyfb_par *par, struct crtc *crtc) crtc->lcd_index = aty_ld_le32(LCD_INDEX, par); aty_st_le32(LCD_INDEX, crtc->lcd_index, par); } - crtc->lcd_config_panel = aty_ld_lcd(CONFIG_PANEL, par); + crtc->lcd_config_panel = aty_ld_lcd(CNFG_PANEL, par); crtc->lcd_gen_cntl = aty_ld_lcd(LCD_GEN_CNTL, par); @@ -676,7 +676,7 @@ static void aty_set_crtc(const struct atyfb_par *par, const struct crtc *crtc) aty_st_le32(CRTC_GEN_CNTL, crtc->gen_cntl & ~(CRTC_EXT_DISP_EN | CRTC_EN), par); /* update non-shadow registers first */ - aty_st_lcd(CONFIG_PANEL, crtc->lcd_config_panel, par); + aty_st_lcd(CNFG_PANEL, crtc->lcd_config_panel, par); aty_st_lcd(LCD_GEN_CNTL, crtc->lcd_gen_cntl & ~(CRTC_RW_SELECT | SHADOW_EN | SHADOW_RW_EN), par); @@ -858,7 +858,7 @@ static int aty_var_to_crtc(const struct fb_info *info, if (!M64_HAS(MOBIL_BUS)) crtc->lcd_index |= CRTC2_DISPLAY_DIS; - crtc->lcd_config_panel = aty_ld_lcd(CONFIG_PANEL, par) | 0x4000; + crtc->lcd_config_panel = aty_ld_lcd(CNFG_PANEL, par) | 0x4000; crtc->lcd_gen_cntl = aty_ld_lcd(LCD_GEN_CNTL, par) & ~CRTC_RW_SELECT; crtc->lcd_gen_cntl &= @@ -1978,7 +1978,7 @@ static int aty_power_mgmt(int sleep, struct atyfb_par *par) return timeout ? 0 : -EIO; } -#endif +#endif /* CONFIG_PPC_PMAC */ static int atyfb_pci_suspend(struct pci_dev *pdev, pm_message_t state) { @@ -2002,9 +2002,15 @@ static int atyfb_pci_suspend(struct pci_dev *pdev, pm_message_t state) par->asleep = 1; par->lock_blank = 1; + /* Because we may change PCI D state ourselves, we need to + * first save the config space content so the core can + * restore it properly on resume. + */ + pci_save_state(pdev); + #ifdef CONFIG_PPC_PMAC /* Set chip to "suspend" mode */ - if (aty_power_mgmt(1, par)) { + if (machine_is(powermac) && aty_power_mgmt(1, par)) { par->asleep = 0; par->lock_blank = 0; atyfb_blank(FB_BLANK_UNBLANK, info); @@ -2047,11 +2053,15 @@ static int atyfb_pci_resume(struct pci_dev *pdev) acquire_console_sem(); + /* PCI state will have been restored by the core, so + * we should be in D0 now with our config space fully + * restored + */ + #ifdef CONFIG_PPC_PMAC - if (pdev->dev.power.power_state.event == 2) + if (machine_is(powermac) && + pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) aty_power_mgmt(0, par); -#else - pci_set_power_state(pdev, PCI_D0); #endif aty_resume_chip(info); @@ -2254,7 +2264,7 @@ static int __devinit aty_init(struct fb_info *info) if (!M64_HAS(INTEGRATED)) { u32 stat0; u8 dac_type, dac_subtype, clk_type; - stat0 = aty_ld_le32(CONFIG_STAT0, par); + stat0 = aty_ld_le32(CNFG_STAT0, par); par->bus_type = (stat0 >> 0) & 0x07; par->ram_type = (stat0 >> 3) & 0x07; ramname = aty_gx_ram[par->ram_type]; @@ -2324,7 +2334,7 @@ static int __devinit aty_init(struct fb_info *info) par->dac_ops = &aty_dac_ct; par->pll_ops = &aty_pll_ct; par->bus_type = PCI; - par->ram_type = (aty_ld_le32(CONFIG_STAT0, par) & 0x07); + par->ram_type = (aty_ld_le32(CNFG_STAT0, par) & 0x07); ramname = aty_ct_ram[par->ram_type]; /* for many chips, the mclk is 67 MHz for SDRAM, 63 MHz otherwise */ if (par->pll_limits.mclk == 67 && par->ram_type < SDRAM) @@ -2433,7 +2443,7 @@ static int __devinit aty_init(struct fb_info *info) } if (M64_HAS(MAGIC_VRAM_SIZE)) { - if (aty_ld_le32(CONFIG_STAT1, par) & 0x40000000) + if (aty_ld_le32(CNFG_STAT1, par) & 0x40000000) info->fix.smem_len += 0x400000; } @@ -2946,7 +2956,7 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev, * Fix PROMs idea of MEM_CNTL settings... */ mem = aty_ld_le32(MEM_CNTL, par); - chip_id = aty_ld_le32(CONFIG_CHIP_ID, par); + chip_id = aty_ld_le32(CNFG_CHIP_ID, par); if (((chip_id & CFG_CHIP_TYPE) == VT_CHIP_ID) && !((chip_id >> 24) & 1)) { switch (mem & 0x0f) { case 3: @@ -2964,7 +2974,7 @@ static int __devinit atyfb_setup_sparc(struct pci_dev *pdev, default: break; } - if ((aty_ld_le32(CONFIG_STAT0, par) & 7) >= SDRAM) + if ((aty_ld_le32(CNFG_STAT0, par) & 7) >= SDRAM) mem &= ~(0x00700000); } mem &= ~(0xcf80e000); /* Turn off all undocumented bits. */ @@ -3572,7 +3582,7 @@ static int __init atyfb_atari_probe(void) } /* Fake pci_id for correct_chipset() */ - switch (aty_ld_le32(CONFIG_CHIP_ID, par) & CFG_CHIP_TYPE) { + switch (aty_ld_le32(CNFG_CHIP_ID, par) & CFG_CHIP_TYPE) { case 0x00d7: par->pci_id = PCI_CHIP_MACH64GX; break; diff --git a/drivers/video/aty/mach64_ct.c b/drivers/video/aty/mach64_ct.c index c50c7cf..2745b85 100644 --- a/drivers/video/aty/mach64_ct.c +++ b/drivers/video/aty/mach64_ct.c @@ -8,6 +8,9 @@ #include <asm/io.h> #include <video/mach64.h> #include "atyfb.h" +#ifdef CONFIG_PPC +#include <asm/machdep.h> +#endif #undef DEBUG @@ -536,6 +539,14 @@ static int __devinit aty_init_pll_ct(const struct fb_info *info, pll->ct.xclk_post_div_real = postdividers[xpost_div]; pll->ct.mclk_fb_div = q * pll->ct.xclk_post_div_real / 8; +#ifdef CONFIG_PPC + if (machine_is(powermac)) { + /* Override PLL_EXT_CNTL & 0x07. */ + pll->ct.xclk_post_div = xpost_div; + pll->ct.xclk_ref_div = 1; + } +#endif + #ifdef DEBUG pllmclk = (1000000 * pll->ct.mclk_fb_mult * pll->ct.mclk_fb_div) / (par->ref_clk_per * pll->ct.pll_ref_div); diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c index d0f1a7f..16bb7e3 100644 --- a/drivers/video/aty/radeon_base.c +++ b/drivers/video/aty/radeon_base.c @@ -1936,8 +1936,8 @@ static void fixup_memory_mappings(struct radeonfb_info *rinfo) OUTREG(CRTC_GEN_CNTL, save_crtc_gen_cntl | CRTC_DISP_REQ_EN_B); mdelay(100); - aper_base = INREG(CONFIG_APER_0_BASE); - aper_size = INREG(CONFIG_APER_SIZE); + aper_base = INREG(CNFG_APER_0_BASE); + aper_size = INREG(CNFG_APER_SIZE); #ifdef SET_MC_FB_FROM_APERTURE /* Set framebuffer to be at the same address as set in PCI BAR */ @@ -2024,11 +2024,11 @@ static void radeon_identify_vram(struct radeonfb_info *rinfo) ~CRTC_H_CUTOFF_ACTIVE_EN); } } else { - tmp = INREG(CONFIG_MEMSIZE); + tmp = INREG(CNFG_MEMSIZE); } /* mem size is bits [28:0], mask off the rest */ - rinfo->video_ram = tmp & CONFIG_MEMSIZE_MASK; + rinfo->video_ram = tmp & CNFG_MEMSIZE_MASK; /* * Hack to get around some busted production M6's @@ -2228,7 +2228,7 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev, */ rinfo->errata = 0; if (rinfo->family == CHIP_FAMILY_R300 && - (INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) + (INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) == CFG_ATI_REV_A11) rinfo->errata |= CHIP_ERRATA_R300_CG; diff --git a/drivers/video/aty/radeon_i2c.c b/drivers/video/aty/radeon_i2c.c index 2c55671..359fc64 100644 --- a/drivers/video/aty/radeon_i2c.c +++ b/drivers/video/aty/radeon_i2c.c @@ -72,7 +72,6 @@ static int radeon_setup_i2c_bus(struct radeon_i2c_chan *chan, const char *name) snprintf(chan->adapter.name, sizeof(chan->adapter.name), "radeonfb %s", name); chan->adapter.owner = THIS_MODULE; - chan->adapter.id = I2C_HW_B_RADEON; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = &chan->rinfo->pdev->dev; chan->algo.setsda = radeon_gpio_setsda; diff --git a/drivers/video/aty/radeon_pm.c b/drivers/video/aty/radeon_pm.c index 675abda..ca5f0dc 100644 --- a/drivers/video/aty/radeon_pm.c +++ b/drivers/video/aty/radeon_pm.c @@ -333,7 +333,7 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) if (!rinfo->has_CRTC2) { tmp = INPLL(pllSCLK_CNTL); - if ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) > CFG_ATI_REV_A13) + if ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) > CFG_ATI_REV_A13) tmp &= ~(SCLK_CNTL__FORCE_CP | SCLK_CNTL__FORCE_RB); tmp &= ~(SCLK_CNTL__FORCE_HDP | SCLK_CNTL__FORCE_DISP1 | SCLK_CNTL__FORCE_TOP | SCLK_CNTL__FORCE_SE | @@ -468,9 +468,9 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) /*RAGE_6::A11 A12 A12N1 A13, RV250::A11 A12, R300*/ if ((rinfo->family == CHIP_FAMILY_RV250 && - ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) || + ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) || ((rinfo->family == CHIP_FAMILY_RV100) && - ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) <= CFG_ATI_REV_A13))) { + ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) <= CFG_ATI_REV_A13))) { tmp |= SCLK_CNTL__FORCE_CP; tmp |= SCLK_CNTL__FORCE_VIP; } @@ -486,7 +486,7 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) /* RV200::A11 A12 RV250::A11 A12 */ if (((rinfo->family == CHIP_FAMILY_RV200) || (rinfo->family == CHIP_FAMILY_RV250)) && - ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) + ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) tmp |= SCLK_MORE_CNTL__FORCEON; OUTPLL(pllSCLK_MORE_CNTL, tmp); @@ -497,7 +497,7 @@ static void radeon_pm_enable_dynamic_mode(struct radeonfb_info *rinfo) /* RV200::A11 A12, RV250::A11 A12 */ if (((rinfo->family == CHIP_FAMILY_RV200) || (rinfo->family == CHIP_FAMILY_RV250)) && - ((INREG(CONFIG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) { + ((INREG(CNFG_CNTL) & CFG_ATI_REV_ID_MASK) < CFG_ATI_REV_A13)) { tmp = INPLL(pllPLL_PWRMGT_CNTL); tmp |= PLL_PWRMGT_CNTL__TCL_BYPASS_DISABLE; OUTPLL(pllPLL_PWRMGT_CNTL, tmp); @@ -702,7 +702,7 @@ static void radeon_pm_restore_regs(struct radeonfb_info *rinfo) OUTREG(DISPLAY_BASE_ADDR, rinfo->save_regs[31]); OUTREG(MC_AGP_LOCATION, rinfo->save_regs[32]); OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); - OUTREG(CONFIG_MEMSIZE, rinfo->video_ram); + OUTREG(CNFG_MEMSIZE, rinfo->video_ram); OUTREG(DISP_MISC_CNTL, rinfo->save_regs[9]); OUTREG(DISP_PWR_MAN, rinfo->save_regs[10]); @@ -1723,7 +1723,7 @@ static void radeon_reinitialize_M10(struct radeonfb_info *rinfo) OUTREG(CRTC2_DISPLAY_BASE_ADDR, rinfo->save_regs[33]); OUTREG(MC_FB_LOCATION, rinfo->save_regs[30]); OUTREG(OV0_BASE_ADDR, rinfo->save_regs[80]); - OUTREG(CONFIG_MEMSIZE, rinfo->video_ram); + OUTREG(CNFG_MEMSIZE, rinfo->video_ram); OUTREG(BUS_CNTL, rinfo->save_regs[36]); OUTREG(BUS_CNTL1, rinfo->save_regs[14]); OUTREG(MPP_TB_CONFIG, rinfo->save_regs[37]); @@ -1961,7 +1961,7 @@ static void radeon_pm_m9p_reconfigure_mc(struct radeonfb_info *rinfo) OUTMC(rinfo, ixMC_CHP_IO_CNTL_B1, rinfo->save_regs[68] /*0x141555ff*/); OUTMC(rinfo, ixMC_IMP_CNTL_0, rinfo->save_regs[71] /*0x00009249*/); OUTREG(MC_IND_INDEX, 0); - OUTREG(CONFIG_MEMSIZE, rinfo->video_ram); + OUTREG(CNFG_MEMSIZE, rinfo->video_ram); mdelay(20); } @@ -2361,7 +2361,7 @@ static void radeon_reinitialize_QW(struct radeonfb_info *rinfo) OUTMC(rinfo, ixMC_IMP_CNTL_0, 0x00009249); OUTREG(MC_IND_INDEX, 0); - OUTREG(CONFIG_MEMSIZE, rinfo->video_ram); + OUTREG(CNFG_MEMSIZE, rinfo->video_ram); radeon_pm_full_reset_sdram(rinfo); @@ -2509,9 +2509,7 @@ static void radeon_reinitialize_QW(struct radeonfb_info *rinfo) static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend) { - u16 pwr_cmd; u32 tmp; - int i; if (!rinfo->pm_reg) return; @@ -2557,32 +2555,14 @@ static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend) } } - for (i = 0; i < 64; ++i) - pci_read_config_dword(rinfo->pdev, i * 4, - &rinfo->cfg_save[i]); - /* Switch PCI power management to D2. */ pci_disable_device(rinfo->pdev); - for (;;) { - pci_read_config_word( - rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL, - &pwr_cmd); - if (pwr_cmd & 2) - break; - pci_write_config_word( - rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL, - (pwr_cmd & ~PCI_PM_CTRL_STATE_MASK) | 2); - mdelay(500); - } + pci_save_state(rinfo->pdev); + pci_set_power_state(rinfo->pdev, PCI_D2); } else { printk(KERN_DEBUG "radeonfb (%s): switching to D0 state...\n", pci_name(rinfo->pdev)); - /* Switch back PCI powermanagment to D0 */ - mdelay(200); - pci_write_config_word(rinfo->pdev, rinfo->pm_reg+PCI_PM_CTRL, 0); - mdelay(500); - if (rinfo->family <= CHIP_FAMILY_RV250) { /* Reset the SDRAM controller */ radeon_pm_full_reset_sdram(rinfo); @@ -2598,37 +2578,10 @@ static void radeon_set_suspend(struct radeonfb_info *rinfo, int suspend) } } -static int radeon_restore_pci_cfg(struct radeonfb_info *rinfo) -{ - int i; - static u32 radeon_cfg_after_resume[64]; - - for (i = 0; i < 64; ++i) - pci_read_config_dword(rinfo->pdev, i * 4, - &radeon_cfg_after_resume[i]); - - if (radeon_cfg_after_resume[PCI_BASE_ADDRESS_0/4] - == rinfo->cfg_save[PCI_BASE_ADDRESS_0/4]) - return 0; /* assume everything is ok */ - - for (i = PCI_BASE_ADDRESS_0/4; i < 64; ++i) { - if (radeon_cfg_after_resume[i] != rinfo->cfg_save[i]) - pci_write_config_dword(rinfo->pdev, i * 4, - rinfo->cfg_save[i]); - } - pci_write_config_word(rinfo->pdev, PCI_CACHE_LINE_SIZE, - rinfo->cfg_save[PCI_CACHE_LINE_SIZE/4]); - pci_write_config_word(rinfo->pdev, PCI_COMMAND, - rinfo->cfg_save[PCI_COMMAND/4]); - return 1; -} - - int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) { struct fb_info *info = pci_get_drvdata(pdev); struct radeonfb_info *rinfo = info->par; - int i; if (mesg.event == pdev->dev.power.power_state.event) return 0; @@ -2674,6 +2627,11 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) pmac_suspend_agp_for_card(pdev); #endif /* CONFIG_PPC_PMAC */ + /* It's unclear whether or when the generic code will do that, so let's + * do it ourselves. We save state before we do any power management + */ + pci_save_state(pdev); + /* If we support wakeup from poweroff, we save all regs we can including cfg * space */ @@ -2698,9 +2656,6 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) mdelay(20); OUTREG(LVDS_GEN_CNTL, INREG(LVDS_GEN_CNTL) & ~(LVDS_DIGON)); } - // FIXME: Use PCI layer - for (i = 0; i < 64; ++i) - pci_read_config_dword(pdev, i * 4, &rinfo->cfg_save[i]); pci_disable_device(pdev); } /* If we support D2, we go to it (should be fixed later with a flag forcing @@ -2717,6 +2672,13 @@ int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t mesg) return 0; } +static int radeon_check_power_loss(struct radeonfb_info *rinfo) +{ + return rinfo->save_regs[4] != INPLL(CLK_PIN_CNTL) || + rinfo->save_regs[2] != INPLL(MCLK_CNTL) || + rinfo->save_regs[3] != INPLL(SCLK_CNTL); +} + int radeonfb_pci_resume(struct pci_dev *pdev) { struct fb_info *info = pci_get_drvdata(pdev); @@ -2735,20 +2697,13 @@ int radeonfb_pci_resume(struct pci_dev *pdev) printk(KERN_DEBUG "radeonfb (%s): resuming from state: %d...\n", pci_name(pdev), pdev->dev.power.power_state.event); - - if (pci_enable_device(pdev)) { - rc = -ENODEV; - printk(KERN_ERR "radeonfb (%s): can't enable PCI device !\n", - pci_name(pdev)); - goto bail; - } - pci_set_master(pdev); - + /* PCI state will have been restored by the core, so + * we should be in D0 now with our config space fully + * restored + */ if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { - /* Wakeup chip. Check from config space if we were powered off - * (todo: additionally, check CLK_PIN_CNTL too) - */ - if ((rinfo->pm_mode & radeon_pm_off) && radeon_restore_pci_cfg(rinfo)) { + /* Wakeup chip */ + if ((rinfo->pm_mode & radeon_pm_off) && radeon_check_power_loss(rinfo)) { if (rinfo->reinit_func != NULL) rinfo->reinit_func(rinfo); else { diff --git a/drivers/video/aty/radeonfb.h b/drivers/video/aty/radeonfb.h index 3ea1b00..7351e66 100644 --- a/drivers/video/aty/radeonfb.h +++ b/drivers/video/aty/radeonfb.h @@ -361,8 +361,6 @@ struct radeonfb_info { #ifdef CONFIG_FB_RADEON_I2C struct radeon_i2c_chan i2c[4]; #endif - - u32 cfg_save[64]; }; diff --git a/drivers/video/backlight/Makefile b/drivers/video/backlight/Makefile index 363b3cb..63d7594 100644 --- a/drivers/video/backlight/Makefile +++ b/drivers/video/backlight/Makefile @@ -18,7 +18,7 @@ obj-$(CONFIG_BACKLIGHT_OMAP1) += omap1_bl.o obj-$(CONFIG_BACKLIGHT_PROGEAR) += progear_bl.o obj-$(CONFIG_BACKLIGHT_CARILLO_RANCH) += cr_bllcd.o obj-$(CONFIG_BACKLIGHT_PWM) += pwm_bl.o -obj-$(CONFIG_BACKLIGHT_DA903X) += da903x.o +obj-$(CONFIG_BACKLIGHT_DA903X) += da903x_bl.o obj-$(CONFIG_BACKLIGHT_MBP_NVIDIA) += mbp_nvidia_bl.o obj-$(CONFIG_BACKLIGHT_TOSA) += tosa_bl.o obj-$(CONFIG_BACKLIGHT_SAHARA) += kb3886_bl.o diff --git a/drivers/video/backlight/da903x.c b/drivers/video/backlight/da903x_bl.c index 93bb434..93bb434 100644 --- a/drivers/video/backlight/da903x.c +++ b/drivers/video/backlight/da903x_bl.c diff --git a/drivers/video/fbcmap.c b/drivers/video/fbcmap.c index 91b78e6..f53b9f1 100644 --- a/drivers/video/fbcmap.c +++ b/drivers/video/fbcmap.c @@ -250,10 +250,6 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info) int rc, size = cmap->len * sizeof(u16); struct fb_cmap umap; - if (cmap->start < 0 || (!info->fbops->fb_setcolreg && - !info->fbops->fb_setcmap)) - return -EINVAL; - memset(&umap, 0, sizeof(struct fb_cmap)); rc = fb_alloc_cmap(&umap, cmap->len, cmap->transp != NULL); if (rc) @@ -262,11 +258,23 @@ int fb_set_user_cmap(struct fb_cmap_user *cmap, struct fb_info *info) copy_from_user(umap.green, cmap->green, size) || copy_from_user(umap.blue, cmap->blue, size) || (cmap->transp && copy_from_user(umap.transp, cmap->transp, size))) { - fb_dealloc_cmap(&umap); - return -EFAULT; + rc = -EFAULT; + goto out; } umap.start = cmap->start; + if (!lock_fb_info(info)) { + rc = -ENODEV; + goto out; + } + if (cmap->start < 0 || (!info->fbops->fb_setcolreg && + !info->fbops->fb_setcmap)) { + rc = -EINVAL; + goto out1; + } rc = fb_set_cmap(&umap, info); +out1: + unlock_fb_info(info); +out: fb_dealloc_cmap(&umap); return rc; } diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index 756efeb..cfd9dce 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1013,132 +1013,139 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd, struct fb_var_screeninfo var; struct fb_fix_screeninfo fix; struct fb_con2fbmap con2fb; + struct fb_cmap cmap_from; struct fb_cmap_user cmap; struct fb_event event; void __user *argp = (void __user *)arg; long ret = 0; - fb = info->fbops; - if (!fb) - return -ENODEV; - switch (cmd) { case FBIOGET_VSCREENINFO: - ret = copy_to_user(argp, &info->var, - sizeof(var)) ? -EFAULT : 0; + if (!lock_fb_info(info)) + return -ENODEV; + var = info->var; + unlock_fb_info(info); + + ret = copy_to_user(argp, &var, sizeof(var)) ? -EFAULT : 0; break; case FBIOPUT_VSCREENINFO: - if (copy_from_user(&var, argp, sizeof(var))) { - ret = -EFAULT; - break; - } + if (copy_from_user(&var, argp, sizeof(var))) + return -EFAULT; + if (!lock_fb_info(info)) + return -ENODEV; acquire_console_sem(); info->flags |= FBINFO_MISC_USEREVENT; ret = fb_set_var(info, &var); info->flags &= ~FBINFO_MISC_USEREVENT; release_console_sem(); - if (ret == 0 && copy_to_user(argp, &var, sizeof(var))) + unlock_fb_info(info); + if (!ret && copy_to_user(argp, &var, sizeof(var))) ret = -EFAULT; break; case FBIOGET_FSCREENINFO: - ret = copy_to_user(argp, &info->fix, - sizeof(fix)) ? -EFAULT : 0; + if (!lock_fb_info(info)) + return -ENODEV; + fix = info->fix; + unlock_fb_info(info); + + ret = copy_to_user(argp, &fix, sizeof(fix)) ? -EFAULT : 0; break; case FBIOPUTCMAP: if (copy_from_user(&cmap, argp, sizeof(cmap))) - ret = -EFAULT; - else - ret = fb_set_user_cmap(&cmap, info); + return -EFAULT; + ret = fb_set_user_cmap(&cmap, info); break; case FBIOGETCMAP: if (copy_from_user(&cmap, argp, sizeof(cmap))) - ret = -EFAULT; - else - ret = fb_cmap_to_user(&info->cmap, &cmap); + return -EFAULT; + if (!lock_fb_info(info)) + return -ENODEV; + cmap_from = info->cmap; + unlock_fb_info(info); + ret = fb_cmap_to_user(&cmap_from, &cmap); break; case FBIOPAN_DISPLAY: - if (copy_from_user(&var, argp, sizeof(var))) { - ret = -EFAULT; - break; - } + if (copy_from_user(&var, argp, sizeof(var))) + return -EFAULT; + if (!lock_fb_info(info)) + return -ENODEV; acquire_console_sem(); ret = fb_pan_display(info, &var); release_console_sem(); + unlock_fb_info(info); if (ret == 0 && copy_to_user(argp, &var, sizeof(var))) - ret = -EFAULT; + return -EFAULT; break; case FBIO_CURSOR: ret = -EINVAL; break; case FBIOGET_CON2FBMAP: if (copy_from_user(&con2fb, argp, sizeof(con2fb))) - ret = -EFAULT; - else if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) - ret = -EINVAL; - else { - con2fb.framebuffer = -1; - event.info = info; - event.data = &con2fb; - fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, - &event); - ret = copy_to_user(argp, &con2fb, - sizeof(con2fb)) ? -EFAULT : 0; - } + return -EFAULT; + if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) + return -EINVAL; + con2fb.framebuffer = -1; + event.data = &con2fb; + + if (!lock_fb_info(info)) + return -ENODEV; + event.info = info; + fb_notifier_call_chain(FB_EVENT_GET_CONSOLE_MAP, &event); + unlock_fb_info(info); + + ret = copy_to_user(argp, &con2fb, sizeof(con2fb)) ? -EFAULT : 0; break; case FBIOPUT_CON2FBMAP: - if (copy_from_user(&con2fb, argp, sizeof(con2fb))) { - ret = -EFAULT; - break; - } - if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) { - ret = -EINVAL; - break; - } - if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) { - ret = -EINVAL; - break; - } + if (copy_from_user(&con2fb, argp, sizeof(con2fb))) + return -EFAULT; + if (con2fb.console < 1 || con2fb.console > MAX_NR_CONSOLES) + return -EINVAL; + if (con2fb.framebuffer < 0 || con2fb.framebuffer >= FB_MAX) + return -EINVAL; if (!registered_fb[con2fb.framebuffer]) request_module("fb%d", con2fb.framebuffer); if (!registered_fb[con2fb.framebuffer]) { ret = -EINVAL; break; } - event.info = info; event.data = &con2fb; + if (!lock_fb_info(info)) + return -ENODEV; + event.info = info; ret = fb_notifier_call_chain(FB_EVENT_SET_CONSOLE_MAP, &event); + unlock_fb_info(info); break; case FBIOBLANK: + if (!lock_fb_info(info)) + return -ENODEV; acquire_console_sem(); info->flags |= FBINFO_MISC_USEREVENT; ret = fb_blank(info, arg); info->flags &= ~FBINFO_MISC_USEREVENT; release_console_sem(); - break;; + unlock_fb_info(info); + break; default: - if (fb->fb_ioctl == NULL) - ret = -ENOTTY; - else + if (!lock_fb_info(info)) + return -ENODEV; + fb = info->fbops; + if (fb->fb_ioctl) ret = fb->fb_ioctl(info, cmd, arg); + else + ret = -ENOTTY; + unlock_fb_info(info); } return ret; } static long fb_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -__acquires(&info->lock) -__releases(&info->lock) { struct inode *inode = file->f_path.dentry->d_inode; int fbidx = iminor(inode); - struct fb_info *info; - long ret; + struct fb_info *info = registered_fb[fbidx]; - info = registered_fb[fbidx]; - mutex_lock(&info->lock); - ret = do_fb_ioctl(info, cmd, arg); - mutex_unlock(&info->lock); - return ret; + return do_fb_ioctl(info, cmd, arg); } #ifdef CONFIG_COMPAT @@ -1257,8 +1264,6 @@ static int fb_get_fscreeninfo(struct fb_info *info, unsigned int cmd, static long fb_compat_ioctl(struct file *file, unsigned int cmd, unsigned long arg) -__acquires(&info->lock) -__releases(&info->lock) { struct inode *inode = file->f_path.dentry->d_inode; int fbidx = iminor(inode); @@ -1266,7 +1271,6 @@ __releases(&info->lock) struct fb_ops *fb = info->fbops; long ret = -ENOIOCTLCMD; - mutex_lock(&info->lock); switch(cmd) { case FBIOGET_VSCREENINFO: case FBIOPUT_VSCREENINFO: @@ -1292,7 +1296,6 @@ __releases(&info->lock) ret = fb->fb_compat_ioctl(info, cmd, arg); break; } - mutex_unlock(&info->lock); return ret; } #endif diff --git a/drivers/video/i810/i810-i2c.c b/drivers/video/i810/i810-i2c.c index 7787c33..9dd55e5 100644 --- a/drivers/video/i810/i810-i2c.c +++ b/drivers/video/i810/i810-i2c.c @@ -90,7 +90,6 @@ static int i810_setup_i2c_bus(struct i810fb_i2c_chan *chan, const char *name) chan->adapter.owner = THIS_MODULE; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = &chan->par->dev->dev; - chan->adapter.id = I2C_HW_B_I810; chan->algo.setsda = i810i2c_setsda; chan->algo.setscl = i810i2c_setscl; chan->algo.getsda = i810i2c_getsda; diff --git a/drivers/video/intelfb/intelfb_i2c.c b/drivers/video/intelfb/intelfb_i2c.c index 5d896b8..b306549 100644 --- a/drivers/video/intelfb/intelfb_i2c.c +++ b/drivers/video/intelfb/intelfb_i2c.c @@ -111,7 +111,6 @@ static int intelfb_setup_i2c_bus(struct intelfb_info *dinfo, "intelfb %s", name); chan->adapter.class = class; chan->adapter.owner = THIS_MODULE; - chan->adapter.id = I2C_HW_B_INTELFB; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = &chan->dinfo->pdev->dev; chan->algo.setsda = intelfb_gpio_setsda; diff --git a/drivers/video/mx3fb.c b/drivers/video/mx3fb.c new file mode 100644 index 0000000..8a75d05 --- /dev/null +++ b/drivers/video/mx3fb.c @@ -0,0 +1,1555 @@ +/* + * Copyright (C) 2008 + * Guennadi Liakhovetski, DENX Software Engineering, <lg@denx.de> + * + * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include <linux/module.h> +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/sched.h> +#include <linux/errno.h> +#include <linux/string.h> +#include <linux/interrupt.h> +#include <linux/slab.h> +#include <linux/fb.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/ioport.h> +#include <linux/dma-mapping.h> +#include <linux/dmaengine.h> +#include <linux/console.h> +#include <linux/clk.h> +#include <linux/mutex.h> + +#include <mach/hardware.h> +#include <mach/ipu.h> +#include <mach/mx3fb.h> + +#include <asm/io.h> +#include <asm/uaccess.h> + +#define MX3FB_NAME "mx3_sdc_fb" + +#define MX3FB_REG_OFFSET 0xB4 + +/* SDC Registers */ +#define SDC_COM_CONF (0xB4 - MX3FB_REG_OFFSET) +#define SDC_GW_CTRL (0xB8 - MX3FB_REG_OFFSET) +#define SDC_FG_POS (0xBC - MX3FB_REG_OFFSET) +#define SDC_BG_POS (0xC0 - MX3FB_REG_OFFSET) +#define SDC_CUR_POS (0xC4 - MX3FB_REG_OFFSET) +#define SDC_PWM_CTRL (0xC8 - MX3FB_REG_OFFSET) +#define SDC_CUR_MAP (0xCC - MX3FB_REG_OFFSET) +#define SDC_HOR_CONF (0xD0 - MX3FB_REG_OFFSET) +#define SDC_VER_CONF (0xD4 - MX3FB_REG_OFFSET) +#define SDC_SHARP_CONF_1 (0xD8 - MX3FB_REG_OFFSET) +#define SDC_SHARP_CONF_2 (0xDC - MX3FB_REG_OFFSET) + +/* Register bits */ +#define SDC_COM_TFT_COLOR 0x00000001UL +#define SDC_COM_FG_EN 0x00000010UL +#define SDC_COM_GWSEL 0x00000020UL +#define SDC_COM_GLB_A 0x00000040UL +#define SDC_COM_KEY_COLOR_G 0x00000080UL +#define SDC_COM_BG_EN 0x00000200UL +#define SDC_COM_SHARP 0x00001000UL + +#define SDC_V_SYNC_WIDTH_L 0x00000001UL + +/* Display Interface registers */ +#define DI_DISP_IF_CONF (0x0124 - MX3FB_REG_OFFSET) +#define DI_DISP_SIG_POL (0x0128 - MX3FB_REG_OFFSET) +#define DI_SER_DISP1_CONF (0x012C - MX3FB_REG_OFFSET) +#define DI_SER_DISP2_CONF (0x0130 - MX3FB_REG_OFFSET) +#define DI_HSP_CLK_PER (0x0134 - MX3FB_REG_OFFSET) +#define DI_DISP0_TIME_CONF_1 (0x0138 - MX3FB_REG_OFFSET) +#define DI_DISP0_TIME_CONF_2 (0x013C - MX3FB_REG_OFFSET) +#define DI_DISP0_TIME_CONF_3 (0x0140 - MX3FB_REG_OFFSET) +#define DI_DISP1_TIME_CONF_1 (0x0144 - MX3FB_REG_OFFSET) +#define DI_DISP1_TIME_CONF_2 (0x0148 - MX3FB_REG_OFFSET) +#define DI_DISP1_TIME_CONF_3 (0x014C - MX3FB_REG_OFFSET) +#define DI_DISP2_TIME_CONF_1 (0x0150 - MX3FB_REG_OFFSET) +#define DI_DISP2_TIME_CONF_2 (0x0154 - MX3FB_REG_OFFSET) +#define DI_DISP2_TIME_CONF_3 (0x0158 - MX3FB_REG_OFFSET) +#define DI_DISP3_TIME_CONF (0x015C - MX3FB_REG_OFFSET) +#define DI_DISP0_DB0_MAP (0x0160 - MX3FB_REG_OFFSET) +#define DI_DISP0_DB1_MAP (0x0164 - MX3FB_REG_OFFSET) +#define DI_DISP0_DB2_MAP (0x0168 - MX3FB_REG_OFFSET) +#define DI_DISP0_CB0_MAP (0x016C - MX3FB_REG_OFFSET) +#define DI_DISP0_CB1_MAP (0x0170 - MX3FB_REG_OFFSET) +#define DI_DISP0_CB2_MAP (0x0174 - MX3FB_REG_OFFSET) +#define DI_DISP1_DB0_MAP (0x0178 - MX3FB_REG_OFFSET) +#define DI_DISP1_DB1_MAP (0x017C - MX3FB_REG_OFFSET) +#define DI_DISP1_DB2_MAP (0x0180 - MX3FB_REG_OFFSET) +#define DI_DISP1_CB0_MAP (0x0184 - MX3FB_REG_OFFSET) +#define DI_DISP1_CB1_MAP (0x0188 - MX3FB_REG_OFFSET) +#define DI_DISP1_CB2_MAP (0x018C - MX3FB_REG_OFFSET) +#define DI_DISP2_DB0_MAP (0x0190 - MX3FB_REG_OFFSET) +#define DI_DISP2_DB1_MAP (0x0194 - MX3FB_REG_OFFSET) +#define DI_DISP2_DB2_MAP (0x0198 - MX3FB_REG_OFFSET) +#define DI_DISP2_CB0_MAP (0x019C - MX3FB_REG_OFFSET) +#define DI_DISP2_CB1_MAP (0x01A0 - MX3FB_REG_OFFSET) +#define DI_DISP2_CB2_MAP (0x01A4 - MX3FB_REG_OFFSET) +#define DI_DISP3_B0_MAP (0x01A8 - MX3FB_REG_OFFSET) +#define DI_DISP3_B1_MAP (0x01AC - MX3FB_REG_OFFSET) +#define DI_DISP3_B2_MAP (0x01B0 - MX3FB_REG_OFFSET) +#define DI_DISP_ACC_CC (0x01B4 - MX3FB_REG_OFFSET) +#define DI_DISP_LLA_CONF (0x01B8 - MX3FB_REG_OFFSET) +#define DI_DISP_LLA_DATA (0x01BC - MX3FB_REG_OFFSET) + +/* DI_DISP_SIG_POL bits */ +#define DI_D3_VSYNC_POL_SHIFT 28 +#define DI_D3_HSYNC_POL_SHIFT 27 +#define DI_D3_DRDY_SHARP_POL_SHIFT 26 +#define DI_D3_CLK_POL_SHIFT 25 +#define DI_D3_DATA_POL_SHIFT 24 + +/* DI_DISP_IF_CONF bits */ +#define DI_D3_CLK_IDLE_SHIFT 26 +#define DI_D3_CLK_SEL_SHIFT 25 +#define DI_D3_DATAMSK_SHIFT 24 + +enum ipu_panel { + IPU_PANEL_SHARP_TFT, + IPU_PANEL_TFT, +}; + +struct ipu_di_signal_cfg { + unsigned datamask_en:1; + unsigned clksel_en:1; + unsigned clkidle_en:1; + unsigned data_pol:1; /* true = inverted */ + unsigned clk_pol:1; /* true = rising edge */ + unsigned enable_pol:1; + unsigned Hsync_pol:1; /* true = active high */ + unsigned Vsync_pol:1; +}; + +static const struct fb_videomode mx3fb_modedb[] = { + { + /* 240x320 @ 60 Hz */ + .name = "Sharp-QVGA", + .refresh = 60, + .xres = 240, + .yres = 320, + .pixclock = 185925, + .left_margin = 9, + .right_margin = 16, + .upper_margin = 7, + .lower_margin = 9, + .hsync_len = 1, + .vsync_len = 1, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | + FB_SYNC_CLK_INVERT | FB_SYNC_DATA_INVERT | + FB_SYNC_CLK_IDLE_EN, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, { + /* 240x33 @ 60 Hz */ + .name = "Sharp-CLI", + .refresh = 60, + .xres = 240, + .yres = 33, + .pixclock = 185925, + .left_margin = 9, + .right_margin = 16, + .upper_margin = 7, + .lower_margin = 9 + 287, + .hsync_len = 1, + .vsync_len = 1, + .sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_SHARP_MODE | + FB_SYNC_CLK_INVERT | FB_SYNC_DATA_INVERT | + FB_SYNC_CLK_IDLE_EN, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, { + /* 640x480 @ 60 Hz */ + .name = "NEC-VGA", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 38255, + .left_margin = 144, + .right_margin = 0, + .upper_margin = 34, + .lower_margin = 40, + .hsync_len = 1, + .vsync_len = 1, + .sync = FB_SYNC_VERT_HIGH_ACT | FB_SYNC_OE_ACT_HIGH, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, { + /* NTSC TV output */ + .name = "TV-NTSC", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 37538, + .left_margin = 38, + .right_margin = 858 - 640 - 38 - 3, + .upper_margin = 36, + .lower_margin = 518 - 480 - 36 - 1, + .hsync_len = 3, + .vsync_len = 1, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, { + /* PAL TV output */ + .name = "TV-PAL", + .refresh = 50, + .xres = 640, + .yres = 480, + .pixclock = 37538, + .left_margin = 38, + .right_margin = 960 - 640 - 38 - 32, + .upper_margin = 32, + .lower_margin = 555 - 480 - 32 - 3, + .hsync_len = 32, + .vsync_len = 3, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, { + /* TV output VGA mode, 640x480 @ 65 Hz */ + .name = "TV-VGA", + .refresh = 60, + .xres = 640, + .yres = 480, + .pixclock = 40574, + .left_margin = 35, + .right_margin = 45, + .upper_margin = 9, + .lower_margin = 1, + .hsync_len = 46, + .vsync_len = 5, + .sync = 0, + .vmode = FB_VMODE_NONINTERLACED, + .flag = 0, + }, +}; + +struct mx3fb_data { + struct fb_info *fbi; + int backlight_level; + void __iomem *reg_base; + spinlock_t lock; + struct device *dev; + + uint32_t h_start_width; + uint32_t v_start_width; +}; + +struct dma_chan_request { + struct mx3fb_data *mx3fb; + enum ipu_channel id; +}; + +/* MX3 specific framebuffer information. */ +struct mx3fb_info { + int blank; + enum ipu_channel ipu_ch; + uint32_t cur_ipu_buf; + + u32 pseudo_palette[16]; + + struct completion flip_cmpl; + struct mutex mutex; /* Protects fb-ops */ + struct mx3fb_data *mx3fb; + struct idmac_channel *idmac_channel; + struct dma_async_tx_descriptor *txd; + dma_cookie_t cookie; + struct scatterlist sg[2]; + + u32 sync; /* preserve var->sync flags */ +}; + +static void mx3fb_dma_done(void *); + +/* Used fb-mode and bpp. Can be set on kernel command line, therefore file-static. */ +static const char *fb_mode; +static unsigned long default_bpp = 16; + +static u32 mx3fb_read_reg(struct mx3fb_data *mx3fb, unsigned long reg) +{ + return __raw_readl(mx3fb->reg_base + reg); +} + +static void mx3fb_write_reg(struct mx3fb_data *mx3fb, u32 value, unsigned long reg) +{ + __raw_writel(value, mx3fb->reg_base + reg); +} + +static const uint32_t di_mappings[] = { + 0x1600AAAA, 0x00E05555, 0x00070000, 3, /* RGB888 */ + 0x0005000F, 0x000B000F, 0x0011000F, 1, /* RGB666 */ + 0x0011000F, 0x000B000F, 0x0005000F, 1, /* BGR666 */ + 0x0004003F, 0x000A000F, 0x000F003F, 1 /* RGB565 */ +}; + +static void sdc_fb_init(struct mx3fb_info *fbi) +{ + struct mx3fb_data *mx3fb = fbi->mx3fb; + uint32_t reg; + + reg = mx3fb_read_reg(mx3fb, SDC_COM_CONF); + + mx3fb_write_reg(mx3fb, reg | SDC_COM_BG_EN, SDC_COM_CONF); +} + +/* Returns enabled flag before uninit */ +static uint32_t sdc_fb_uninit(struct mx3fb_info *fbi) +{ + struct mx3fb_data *mx3fb = fbi->mx3fb; + uint32_t reg; + + reg = mx3fb_read_reg(mx3fb, SDC_COM_CONF); + + mx3fb_write_reg(mx3fb, reg & ~SDC_COM_BG_EN, SDC_COM_CONF); + + return reg & SDC_COM_BG_EN; +} + +static void sdc_enable_channel(struct mx3fb_info *mx3_fbi) +{ + struct mx3fb_data *mx3fb = mx3_fbi->mx3fb; + struct idmac_channel *ichan = mx3_fbi->idmac_channel; + struct dma_chan *dma_chan = &ichan->dma_chan; + unsigned long flags; + dma_cookie_t cookie; + + dev_dbg(mx3fb->dev, "mx3fbi %p, desc %p, sg %p\n", mx3_fbi, + to_tx_desc(mx3_fbi->txd), to_tx_desc(mx3_fbi->txd)->sg); + + /* This enables the channel */ + if (mx3_fbi->cookie < 0) { + mx3_fbi->txd = dma_chan->device->device_prep_slave_sg(dma_chan, + &mx3_fbi->sg[0], 1, DMA_TO_DEVICE, DMA_PREP_INTERRUPT); + if (!mx3_fbi->txd) { + dev_err(mx3fb->dev, "Cannot allocate descriptor on %d\n", + dma_chan->chan_id); + return; + } + + mx3_fbi->txd->callback_param = mx3_fbi->txd; + mx3_fbi->txd->callback = mx3fb_dma_done; + + cookie = mx3_fbi->txd->tx_submit(mx3_fbi->txd); + dev_dbg(mx3fb->dev, "%d: Submit %p #%d [%c]\n", __LINE__, + mx3_fbi->txd, cookie, list_empty(&ichan->queue) ? '-' : '+'); + } else { + if (!mx3_fbi->txd || !mx3_fbi->txd->tx_submit) { + dev_err(mx3fb->dev, "Cannot enable channel %d\n", + dma_chan->chan_id); + return; + } + + /* Just re-activate the same buffer */ + dma_async_issue_pending(dma_chan); + cookie = mx3_fbi->cookie; + dev_dbg(mx3fb->dev, "%d: Re-submit %p #%d [%c]\n", __LINE__, + mx3_fbi->txd, cookie, list_empty(&ichan->queue) ? '-' : '+'); + } + + if (cookie >= 0) { + spin_lock_irqsave(&mx3fb->lock, flags); + sdc_fb_init(mx3_fbi); + mx3_fbi->cookie = cookie; + spin_unlock_irqrestore(&mx3fb->lock, flags); + } + + /* + * Attention! Without this msleep the channel keeps generating + * interrupts. Next sdc_set_brightness() is going to be called + * from mx3fb_blank(). + */ + msleep(2); +} + +static void sdc_disable_channel(struct mx3fb_info *mx3_fbi) +{ + struct mx3fb_data *mx3fb = mx3_fbi->mx3fb; + uint32_t enabled; + unsigned long flags; + + spin_lock_irqsave(&mx3fb->lock, flags); + + enabled = sdc_fb_uninit(mx3_fbi); + + spin_unlock_irqrestore(&mx3fb->lock, flags); + + mx3_fbi->txd->chan->device->device_terminate_all(mx3_fbi->txd->chan); + mx3_fbi->txd = NULL; + mx3_fbi->cookie = -EINVAL; +} + +/** + * sdc_set_window_pos() - set window position of the respective plane. + * @mx3fb: mx3fb context. + * @channel: IPU DMAC channel ID. + * @x_pos: X coordinate relative to the top left corner to place window at. + * @y_pos: Y coordinate relative to the top left corner to place window at. + * @return: 0 on success or negative error code on failure. + */ +static int sdc_set_window_pos(struct mx3fb_data *mx3fb, enum ipu_channel channel, + int16_t x_pos, int16_t y_pos) +{ + x_pos += mx3fb->h_start_width; + y_pos += mx3fb->v_start_width; + + if (channel != IDMAC_SDC_0) + return -EINVAL; + + mx3fb_write_reg(mx3fb, (x_pos << 16) | y_pos, SDC_BG_POS); + return 0; +} + +/** + * sdc_init_panel() - initialize a synchronous LCD panel. + * @mx3fb: mx3fb context. + * @panel: panel type. + * @pixel_clk: desired pixel clock frequency in Hz. + * @width: width of panel in pixels. + * @height: height of panel in pixels. + * @pixel_fmt: pixel format of buffer as FOURCC ASCII code. + * @h_start_width: number of pixel clocks between the HSYNC signal pulse + * and the start of valid data. + * @h_sync_width: width of the HSYNC signal in units of pixel clocks. + * @h_end_width: number of pixel clocks between the end of valid data + * and the HSYNC signal for next line. + * @v_start_width: number of lines between the VSYNC signal pulse and the + * start of valid data. + * @v_sync_width: width of the VSYNC signal in units of lines + * @v_end_width: number of lines between the end of valid data and the + * VSYNC signal for next frame. + * @sig: bitfield of signal polarities for LCD interface. + * @return: 0 on success or negative error code on failure. + */ +static int sdc_init_panel(struct mx3fb_data *mx3fb, enum ipu_panel panel, + uint32_t pixel_clk, + uint16_t width, uint16_t height, + enum pixel_fmt pixel_fmt, + uint16_t h_start_width, uint16_t h_sync_width, + uint16_t h_end_width, uint16_t v_start_width, + uint16_t v_sync_width, uint16_t v_end_width, + struct ipu_di_signal_cfg sig) +{ + unsigned long lock_flags; + uint32_t reg; + uint32_t old_conf; + uint32_t div; + struct clk *ipu_clk; + + dev_dbg(mx3fb->dev, "panel size = %d x %d", width, height); + + if (v_sync_width == 0 || h_sync_width == 0) + return -EINVAL; + + /* Init panel size and blanking periods */ + reg = ((uint32_t) (h_sync_width - 1) << 26) | + ((uint32_t) (width + h_start_width + h_end_width - 1) << 16); + mx3fb_write_reg(mx3fb, reg, SDC_HOR_CONF); + +#ifdef DEBUG + printk(KERN_CONT " hor_conf %x,", reg); +#endif + + reg = ((uint32_t) (v_sync_width - 1) << 26) | SDC_V_SYNC_WIDTH_L | + ((uint32_t) (height + v_start_width + v_end_width - 1) << 16); + mx3fb_write_reg(mx3fb, reg, SDC_VER_CONF); + +#ifdef DEBUG + printk(KERN_CONT " ver_conf %x\n", reg); +#endif + + mx3fb->h_start_width = h_start_width; + mx3fb->v_start_width = v_start_width; + + switch (panel) { + case IPU_PANEL_SHARP_TFT: + mx3fb_write_reg(mx3fb, 0x00FD0102L, SDC_SHARP_CONF_1); + mx3fb_write_reg(mx3fb, 0x00F500F4L, SDC_SHARP_CONF_2); + mx3fb_write_reg(mx3fb, SDC_COM_SHARP | SDC_COM_TFT_COLOR, SDC_COM_CONF); + break; + case IPU_PANEL_TFT: + mx3fb_write_reg(mx3fb, SDC_COM_TFT_COLOR, SDC_COM_CONF); + break; + default: + return -EINVAL; + } + + /* Init clocking */ + + /* + * Calculate divider: fractional part is 4 bits so simply multiple by + * 24 to get fractional part, as long as we stay under ~250MHz and on + * i.MX31 it (HSP_CLK) is <= 178MHz. Currently 128.267MHz + */ + dev_dbg(mx3fb->dev, "pixel clk = %d\n", pixel_clk); + + ipu_clk = clk_get(mx3fb->dev, "ipu_clk"); + div = clk_get_rate(ipu_clk) * 16 / pixel_clk; + clk_put(ipu_clk); + + if (div < 0x40) { /* Divider less than 4 */ + dev_dbg(mx3fb->dev, + "InitPanel() - Pixel clock divider less than 4\n"); + div = 0x40; + } + + spin_lock_irqsave(&mx3fb->lock, lock_flags); + + /* + * DISP3_IF_CLK_DOWN_WR is half the divider value and 2 fraction bits + * fewer. Subtract 1 extra from DISP3_IF_CLK_DOWN_WR based on timing + * debug. DISP3_IF_CLK_UP_WR is 0 + */ + mx3fb_write_reg(mx3fb, (((div / 8) - 1) << 22) | div, DI_DISP3_TIME_CONF); + + /* DI settings */ + old_conf = mx3fb_read_reg(mx3fb, DI_DISP_IF_CONF) & 0x78FFFFFF; + old_conf |= sig.datamask_en << DI_D3_DATAMSK_SHIFT | + sig.clksel_en << DI_D3_CLK_SEL_SHIFT | + sig.clkidle_en << DI_D3_CLK_IDLE_SHIFT; + mx3fb_write_reg(mx3fb, old_conf, DI_DISP_IF_CONF); + + old_conf = mx3fb_read_reg(mx3fb, DI_DISP_SIG_POL) & 0xE0FFFFFF; + old_conf |= sig.data_pol << DI_D3_DATA_POL_SHIFT | + sig.clk_pol << DI_D3_CLK_POL_SHIFT | + sig.enable_pol << DI_D3_DRDY_SHARP_POL_SHIFT | + sig.Hsync_pol << DI_D3_HSYNC_POL_SHIFT | + sig.Vsync_pol << DI_D3_VSYNC_POL_SHIFT; + mx3fb_write_reg(mx3fb, old_conf, DI_DISP_SIG_POL); + + switch (pixel_fmt) { + case IPU_PIX_FMT_RGB24: + mx3fb_write_reg(mx3fb, di_mappings[0], DI_DISP3_B0_MAP); + mx3fb_write_reg(mx3fb, di_mappings[1], DI_DISP3_B1_MAP); + mx3fb_write_reg(mx3fb, di_mappings[2], DI_DISP3_B2_MAP); + mx3fb_write_reg(mx3fb, mx3fb_read_reg(mx3fb, DI_DISP_ACC_CC) | + ((di_mappings[3] - 1) << 12), DI_DISP_ACC_CC); + break; + case IPU_PIX_FMT_RGB666: + mx3fb_write_reg(mx3fb, di_mappings[4], DI_DISP3_B0_MAP); + mx3fb_write_reg(mx3fb, di_mappings[5], DI_DISP3_B1_MAP); + mx3fb_write_reg(mx3fb, di_mappings[6], DI_DISP3_B2_MAP); + mx3fb_write_reg(mx3fb, mx3fb_read_reg(mx3fb, DI_DISP_ACC_CC) | + ((di_mappings[7] - 1) << 12), DI_DISP_ACC_CC); + break; + case IPU_PIX_FMT_BGR666: + mx3fb_write_reg(mx3fb, di_mappings[8], DI_DISP3_B0_MAP); + mx3fb_write_reg(mx3fb, di_mappings[9], DI_DISP3_B1_MAP); + mx3fb_write_reg(mx3fb, di_mappings[10], DI_DISP3_B2_MAP); + mx3fb_write_reg(mx3fb, mx3fb_read_reg(mx3fb, DI_DISP_ACC_CC) | + ((di_mappings[11] - 1) << 12), DI_DISP_ACC_CC); + break; + default: + mx3fb_write_reg(mx3fb, di_mappings[12], DI_DISP3_B0_MAP); + mx3fb_write_reg(mx3fb, di_mappings[13], DI_DISP3_B1_MAP); + mx3fb_write_reg(mx3fb, di_mappings[14], DI_DISP3_B2_MAP); + mx3fb_write_reg(mx3fb, mx3fb_read_reg(mx3fb, DI_DISP_ACC_CC) | + ((di_mappings[15] - 1) << 12), DI_DISP_ACC_CC); + break; + } + + spin_unlock_irqrestore(&mx3fb->lock, lock_flags); + + dev_dbg(mx3fb->dev, "DI_DISP_IF_CONF = 0x%08X\n", + mx3fb_read_reg(mx3fb, DI_DISP_IF_CONF)); + dev_dbg(mx3fb->dev, "DI_DISP_SIG_POL = 0x%08X\n", + mx3fb_read_reg(mx3fb, DI_DISP_SIG_POL)); + dev_dbg(mx3fb->dev, "DI_DISP3_TIME_CONF = 0x%08X\n", + mx3fb_read_reg(mx3fb, DI_DISP3_TIME_CONF)); + + return 0; +} + +/** + * sdc_set_color_key() - set the transparent color key for SDC graphic plane. + * @mx3fb: mx3fb context. + * @channel: IPU DMAC channel ID. + * @enable: boolean to enable or disable color keyl. + * @color_key: 24-bit RGB color to use as transparent color key. + * @return: 0 on success or negative error code on failure. + */ +static int sdc_set_color_key(struct mx3fb_data *mx3fb, enum ipu_channel channel, + bool enable, uint32_t color_key) +{ + uint32_t reg, sdc_conf; + unsigned long lock_flags; + + spin_lock_irqsave(&mx3fb->lock, lock_flags); + + sdc_conf = mx3fb_read_reg(mx3fb, SDC_COM_CONF); + if (channel == IDMAC_SDC_0) + sdc_conf &= ~SDC_COM_GWSEL; + else + sdc_conf |= SDC_COM_GWSEL; + + if (enable) { + reg = mx3fb_read_reg(mx3fb, SDC_GW_CTRL) & 0xFF000000L; + mx3fb_write_reg(mx3fb, reg | (color_key & 0x00FFFFFFL), + SDC_GW_CTRL); + + sdc_conf |= SDC_COM_KEY_COLOR_G; + } else { + sdc_conf &= ~SDC_COM_KEY_COLOR_G; + } + mx3fb_write_reg(mx3fb, sdc_conf, SDC_COM_CONF); + + spin_unlock_irqrestore(&mx3fb->lock, lock_flags); + + return 0; +} + +/** + * sdc_set_global_alpha() - set global alpha blending modes. + * @mx3fb: mx3fb context. + * @enable: boolean to enable or disable global alpha blending. If disabled, + * per pixel blending is used. + * @alpha: global alpha value. + * @return: 0 on success or negative error code on failure. + */ +static int sdc_set_global_alpha(struct mx3fb_data *mx3fb, bool enable, uint8_t alpha) +{ + uint32_t reg; + unsigned long lock_flags; + + spin_lock_irqsave(&mx3fb->lock, lock_flags); + + if (enable) { + reg = mx3fb_read_reg(mx3fb, SDC_GW_CTRL) & 0x00FFFFFFL; + mx3fb_write_reg(mx3fb, reg | ((uint32_t) alpha << 24), SDC_GW_CTRL); + + reg = mx3fb_read_reg(mx3fb, SDC_COM_CONF); + mx3fb_write_reg(mx3fb, reg | SDC_COM_GLB_A, SDC_COM_CONF); + } else { + reg = mx3fb_read_reg(mx3fb, SDC_COM_CONF); + mx3fb_write_reg(mx3fb, reg & ~SDC_COM_GLB_A, SDC_COM_CONF); + } + + spin_unlock_irqrestore(&mx3fb->lock, lock_flags); + + return 0; +} + +static void sdc_set_brightness(struct mx3fb_data *mx3fb, uint8_t value) +{ + /* This might be board-specific */ + mx3fb_write_reg(mx3fb, 0x03000000UL | value << 16, SDC_PWM_CTRL); + return; +} + +static uint32_t bpp_to_pixfmt(int bpp) +{ + uint32_t pixfmt = 0; + switch (bpp) { + case 24: + pixfmt = IPU_PIX_FMT_BGR24; + break; + case 32: + pixfmt = IPU_PIX_FMT_BGR32; + break; + case 16: + pixfmt = IPU_PIX_FMT_RGB565; + break; + } + return pixfmt; +} + +static int mx3fb_blank(int blank, struct fb_info *fbi); +static int mx3fb_map_video_memory(struct fb_info *fbi); +static int mx3fb_unmap_video_memory(struct fb_info *fbi); + +/** + * mx3fb_set_fix() - set fixed framebuffer parameters from variable settings. + * @info: framebuffer information pointer + * @return: 0 on success or negative error code on failure. + */ +static int mx3fb_set_fix(struct fb_info *fbi) +{ + struct fb_fix_screeninfo *fix = &fbi->fix; + struct fb_var_screeninfo *var = &fbi->var; + + strncpy(fix->id, "DISP3 BG", 8); + + fix->line_length = var->xres_virtual * var->bits_per_pixel / 8; + + fix->type = FB_TYPE_PACKED_PIXELS; + fix->accel = FB_ACCEL_NONE; + fix->visual = FB_VISUAL_TRUECOLOR; + fix->xpanstep = 1; + fix->ypanstep = 1; + + return 0; +} + +static void mx3fb_dma_done(void *arg) +{ + struct idmac_tx_desc *tx_desc = to_tx_desc(arg); + struct dma_chan *chan = tx_desc->txd.chan; + struct idmac_channel *ichannel = to_idmac_chan(chan); + struct mx3fb_data *mx3fb = ichannel->client; + struct mx3fb_info *mx3_fbi = mx3fb->fbi->par; + + dev_dbg(mx3fb->dev, "irq %d callback\n", ichannel->eof_irq); + + /* We only need one interrupt, it will be re-enabled as needed */ + disable_irq(ichannel->eof_irq); + + complete(&mx3_fbi->flip_cmpl); +} + +/** + * mx3fb_set_par() - set framebuffer parameters and change the operating mode. + * @fbi: framebuffer information pointer. + * @return: 0 on success or negative error code on failure. + */ +static int mx3fb_set_par(struct fb_info *fbi) +{ + u32 mem_len; + struct ipu_di_signal_cfg sig_cfg; + enum ipu_panel mode = IPU_PANEL_TFT; + struct mx3fb_info *mx3_fbi = fbi->par; + struct mx3fb_data *mx3fb = mx3_fbi->mx3fb; + struct idmac_channel *ichan = mx3_fbi->idmac_channel; + struct idmac_video_param *video = &ichan->params.video; + struct scatterlist *sg = mx3_fbi->sg; + size_t screen_size; + + dev_dbg(mx3fb->dev, "%s [%c]\n", __func__, list_empty(&ichan->queue) ? '-' : '+'); + + mutex_lock(&mx3_fbi->mutex); + + /* Total cleanup */ + if (mx3_fbi->txd) + sdc_disable_channel(mx3_fbi); + + mx3fb_set_fix(fbi); + + mem_len = fbi->var.yres_virtual * fbi->fix.line_length; + if (mem_len > fbi->fix.smem_len) { + if (fbi->fix.smem_start) + mx3fb_unmap_video_memory(fbi); + + fbi->fix.smem_len = mem_len; + if (mx3fb_map_video_memory(fbi) < 0) { + mutex_unlock(&mx3_fbi->mutex); + return -ENOMEM; + } + } + + screen_size = fbi->fix.line_length * fbi->var.yres; + + sg_init_table(&sg[0], 1); + sg_init_table(&sg[1], 1); + + sg_dma_address(&sg[0]) = fbi->fix.smem_start; + sg_set_page(&sg[0], virt_to_page(fbi->screen_base), + fbi->fix.smem_len, + offset_in_page(fbi->screen_base)); + + if (mx3_fbi->ipu_ch == IDMAC_SDC_0) { + memset(&sig_cfg, 0, sizeof(sig_cfg)); + if (fbi->var.sync & FB_SYNC_HOR_HIGH_ACT) + sig_cfg.Hsync_pol = true; + if (fbi->var.sync & FB_SYNC_VERT_HIGH_ACT) + sig_cfg.Vsync_pol = true; + if (fbi->var.sync & FB_SYNC_CLK_INVERT) + sig_cfg.clk_pol = true; + if (fbi->var.sync & FB_SYNC_DATA_INVERT) + sig_cfg.data_pol = true; + if (fbi->var.sync & FB_SYNC_OE_ACT_HIGH) + sig_cfg.enable_pol = true; + if (fbi->var.sync & FB_SYNC_CLK_IDLE_EN) + sig_cfg.clkidle_en = true; + if (fbi->var.sync & FB_SYNC_CLK_SEL_EN) + sig_cfg.clksel_en = true; + if (fbi->var.sync & FB_SYNC_SHARP_MODE) + mode = IPU_PANEL_SHARP_TFT; + + dev_dbg(fbi->device, "pixclock = %ul Hz\n", + (u32) (PICOS2KHZ(fbi->var.pixclock) * 1000UL)); + + if (sdc_init_panel(mx3fb, mode, + (PICOS2KHZ(fbi->var.pixclock)) * 1000UL, + fbi->var.xres, fbi->var.yres, + (fbi->var.sync & FB_SYNC_SWAP_RGB) ? + IPU_PIX_FMT_BGR666 : IPU_PIX_FMT_RGB666, + fbi->var.left_margin, + fbi->var.hsync_len, + fbi->var.right_margin + + fbi->var.hsync_len, + fbi->var.upper_margin, + fbi->var.vsync_len, + fbi->var.lower_margin + + fbi->var.vsync_len, sig_cfg) != 0) { + mutex_unlock(&mx3_fbi->mutex); + dev_err(fbi->device, + "mx3fb: Error initializing panel.\n"); + return -EINVAL; + } + } + + sdc_set_window_pos(mx3fb, mx3_fbi->ipu_ch, 0, 0); + + mx3_fbi->cur_ipu_buf = 0; + + video->out_pixel_fmt = bpp_to_pixfmt(fbi->var.bits_per_pixel); + video->out_width = fbi->var.xres; + video->out_height = fbi->var.yres; + video->out_stride = fbi->var.xres_virtual; + + if (mx3_fbi->blank == FB_BLANK_UNBLANK) + sdc_enable_channel(mx3_fbi); + + mutex_unlock(&mx3_fbi->mutex); + + return 0; +} + +/** + * mx3fb_check_var() - check and adjust framebuffer variable parameters. + * @var: framebuffer variable parameters + * @fbi: framebuffer information pointer + */ +static int mx3fb_check_var(struct fb_var_screeninfo *var, struct fb_info *fbi) +{ + struct mx3fb_info *mx3_fbi = fbi->par; + u32 vtotal; + u32 htotal; + + dev_dbg(fbi->device, "%s\n", __func__); + + if (var->xres_virtual < var->xres) + var->xres_virtual = var->xres; + if (var->yres_virtual < var->yres) + var->yres_virtual = var->yres; + + if ((var->bits_per_pixel != 32) && (var->bits_per_pixel != 24) && + (var->bits_per_pixel != 16)) + var->bits_per_pixel = default_bpp; + + switch (var->bits_per_pixel) { + case 16: + var->red.length = 5; + var->red.offset = 11; + var->red.msb_right = 0; + + var->green.length = 6; + var->green.offset = 5; + var->green.msb_right = 0; + + var->blue.length = 5; + var->blue.offset = 0; + var->blue.msb_right = 0; + + var->transp.length = 0; + var->transp.offset = 0; + var->transp.msb_right = 0; + break; + case 24: + var->red.length = 8; + var->red.offset = 16; + var->red.msb_right = 0; + + var->green.length = 8; + var->green.offset = 8; + var->green.msb_right = 0; + + var->blue.length = 8; + var->blue.offset = 0; + var->blue.msb_right = 0; + + var->transp.length = 0; + var->transp.offset = 0; + var->transp.msb_right = 0; + break; + case 32: + var->red.length = 8; + var->red.offset = 16; + var->red.msb_right = 0; + + var->green.length = 8; + var->green.offset = 8; + var->green.msb_right = 0; + + var->blue.length = 8; + var->blue.offset = 0; + var->blue.msb_right = 0; + + var->transp.length = 8; + var->transp.offset = 24; + var->transp.msb_right = 0; + break; + } + + if (var->pixclock < 1000) { + htotal = var->xres + var->right_margin + var->hsync_len + + var->left_margin; + vtotal = var->yres + var->lower_margin + var->vsync_len + + var->upper_margin; + var->pixclock = (vtotal * htotal * 6UL) / 100UL; + var->pixclock = KHZ2PICOS(var->pixclock); + dev_dbg(fbi->device, "pixclock set for 60Hz refresh = %u ps\n", + var->pixclock); + } + + var->height = -1; + var->width = -1; + var->grayscale = 0; + + /* Preserve sync flags */ + var->sync |= mx3_fbi->sync; + mx3_fbi->sync |= var->sync; + + return 0; +} + +static u32 chan_to_field(unsigned int chan, struct fb_bitfield *bf) +{ + chan &= 0xffff; + chan >>= 16 - bf->length; + return chan << bf->offset; +} + +static int mx3fb_setcolreg(unsigned int regno, unsigned int red, + unsigned int green, unsigned int blue, + unsigned int trans, struct fb_info *fbi) +{ + struct mx3fb_info *mx3_fbi = fbi->par; + u32 val; + int ret = 1; + + dev_dbg(fbi->device, "%s\n", __func__); + + mutex_lock(&mx3_fbi->mutex); + /* + * If greyscale is true, then we convert the RGB value + * to greyscale no matter what visual we are using. + */ + if (fbi->var.grayscale) + red = green = blue = (19595 * red + 38470 * green + + 7471 * blue) >> 16; + switch (fbi->fix.visual) { + case FB_VISUAL_TRUECOLOR: + /* + * 16-bit True Colour. We encode the RGB value + * according to the RGB bitfield information. + */ + if (regno < 16) { + u32 *pal = fbi->pseudo_palette; + + val = chan_to_field(red, &fbi->var.red); + val |= chan_to_field(green, &fbi->var.green); + val |= chan_to_field(blue, &fbi->var.blue); + + pal[regno] = val; + + ret = 0; + } + break; + + case FB_VISUAL_STATIC_PSEUDOCOLOR: + case FB_VISUAL_PSEUDOCOLOR: + break; + } + mutex_unlock(&mx3_fbi->mutex); + + return ret; +} + +/** + * mx3fb_blank() - blank the display. + */ +static int mx3fb_blank(int blank, struct fb_info *fbi) +{ + struct mx3fb_info *mx3_fbi = fbi->par; + struct mx3fb_data *mx3fb = mx3_fbi->mx3fb; + + dev_dbg(fbi->device, "%s\n", __func__); + + dev_dbg(fbi->device, "blank = %d\n", blank); + + if (mx3_fbi->blank == blank) + return 0; + + mutex_lock(&mx3_fbi->mutex); + mx3_fbi->blank = blank; + + switch (blank) { + case FB_BLANK_POWERDOWN: + case FB_BLANK_VSYNC_SUSPEND: + case FB_BLANK_HSYNC_SUSPEND: + case FB_BLANK_NORMAL: + sdc_disable_channel(mx3_fbi); + sdc_set_brightness(mx3fb, 0); + break; + case FB_BLANK_UNBLANK: + sdc_enable_channel(mx3_fbi); + sdc_set_brightness(mx3fb, mx3fb->backlight_level); + break; + } + mutex_unlock(&mx3_fbi->mutex); + + return 0; +} + +/** + * mx3fb_pan_display() - pan or wrap the display + * @var: variable screen buffer information. + * @info: framebuffer information pointer. + * + * We look only at xoffset, yoffset and the FB_VMODE_YWRAP flag + */ +static int mx3fb_pan_display(struct fb_var_screeninfo *var, + struct fb_info *fbi) +{ + struct mx3fb_info *mx3_fbi = fbi->par; + u32 y_bottom; + unsigned long base; + off_t offset; + dma_cookie_t cookie; + struct scatterlist *sg = mx3_fbi->sg; + struct dma_chan *dma_chan = &mx3_fbi->idmac_channel->dma_chan; + struct dma_async_tx_descriptor *txd; + int ret; + + dev_dbg(fbi->device, "%s [%c]\n", __func__, + list_empty(&mx3_fbi->idmac_channel->queue) ? '-' : '+'); + + if (var->xoffset > 0) { + dev_dbg(fbi->device, "x panning not supported\n"); + return -EINVAL; + } + + if (fbi->var.xoffset == var->xoffset && + fbi->var.yoffset == var->yoffset) + return 0; /* No change, do nothing */ + + y_bottom = var->yoffset; + + if (!(var->vmode & FB_VMODE_YWRAP)) + y_bottom += var->yres; + + if (y_bottom > fbi->var.yres_virtual) + return -EINVAL; + + mutex_lock(&mx3_fbi->mutex); + + offset = (var->yoffset * var->xres_virtual + var->xoffset) * + (var->bits_per_pixel / 8); + base = fbi->fix.smem_start + offset; + + dev_dbg(fbi->device, "Updating SDC BG buf %d address=0x%08lX\n", + mx3_fbi->cur_ipu_buf, base); + + /* + * We enable the End of Frame interrupt, which will free a tx-descriptor, + * which we will need for the next device_prep_slave_sg(). The + * IRQ-handler will disable the IRQ again. + */ + init_completion(&mx3_fbi->flip_cmpl); + enable_irq(mx3_fbi->idmac_channel->eof_irq); + + ret = wait_for_completion_timeout(&mx3_fbi->flip_cmpl, HZ / 10); + if (ret <= 0) { + mutex_unlock(&mx3_fbi->mutex); + dev_info(fbi->device, "Panning failed due to %s\n", ret < 0 ? + "user interrupt" : "timeout"); + return ret ? : -ETIMEDOUT; + } + + mx3_fbi->cur_ipu_buf = !mx3_fbi->cur_ipu_buf; + + sg_dma_address(&sg[mx3_fbi->cur_ipu_buf]) = base; + sg_set_page(&sg[mx3_fbi->cur_ipu_buf], + virt_to_page(fbi->screen_base + offset), fbi->fix.smem_len, + offset_in_page(fbi->screen_base + offset)); + + txd = dma_chan->device->device_prep_slave_sg(dma_chan, sg + + mx3_fbi->cur_ipu_buf, 1, DMA_TO_DEVICE, DMA_PREP_INTERRUPT); + if (!txd) { + dev_err(fbi->device, + "Error preparing a DMA transaction descriptor.\n"); + mutex_unlock(&mx3_fbi->mutex); + return -EIO; + } + + txd->callback_param = txd; + txd->callback = mx3fb_dma_done; + + /* + * Emulate original mx3fb behaviour: each new call to idmac_tx_submit() + * should switch to another buffer + */ + cookie = txd->tx_submit(txd); + dev_dbg(fbi->device, "%d: Submit %p #%d\n", __LINE__, txd, cookie); + if (cookie < 0) { + dev_err(fbi->device, + "Error updating SDC buf %d to address=0x%08lX\n", + mx3_fbi->cur_ipu_buf, base); + mutex_unlock(&mx3_fbi->mutex); + return -EIO; + } + + if (mx3_fbi->txd) + async_tx_ack(mx3_fbi->txd); + mx3_fbi->txd = txd; + + fbi->var.xoffset = var->xoffset; + fbi->var.yoffset = var->yoffset; + + if (var->vmode & FB_VMODE_YWRAP) + fbi->var.vmode |= FB_VMODE_YWRAP; + else + fbi->var.vmode &= ~FB_VMODE_YWRAP; + + mutex_unlock(&mx3_fbi->mutex); + + dev_dbg(fbi->device, "Update complete\n"); + + return 0; +} + +/* + * This structure contains the pointers to the control functions that are + * invoked by the core framebuffer driver to perform operations like + * blitting, rectangle filling, copy regions and cursor definition. + */ +static struct fb_ops mx3fb_ops = { + .owner = THIS_MODULE, + .fb_set_par = mx3fb_set_par, + .fb_check_var = mx3fb_check_var, + .fb_setcolreg = mx3fb_setcolreg, + .fb_pan_display = mx3fb_pan_display, + .fb_fillrect = cfb_fillrect, + .fb_copyarea = cfb_copyarea, + .fb_imageblit = cfb_imageblit, + .fb_blank = mx3fb_blank, +}; + +#ifdef CONFIG_PM +/* + * Power management hooks. Note that we won't be called from IRQ context, + * unlike the blank functions above, so we may sleep. + */ + +/* + * Suspends the framebuffer and blanks the screen. Power management support + */ +static int mx3fb_suspend(struct platform_device *pdev, pm_message_t state) +{ + struct mx3fb_data *drv_data = platform_get_drvdata(pdev); + struct mx3fb_info *mx3_fbi = drv_data->fbi->par; + + acquire_console_sem(); + fb_set_suspend(drv_data->fbi, 1); + release_console_sem(); + + if (mx3_fbi->blank == FB_BLANK_UNBLANK) { + sdc_disable_channel(mx3_fbi); + sdc_set_brightness(mx3fb, 0); + + } + return 0; +} + +/* + * Resumes the framebuffer and unblanks the screen. Power management support + */ +static int mx3fb_resume(struct platform_device *pdev) +{ + struct mx3fb_data *drv_data = platform_get_drvdata(pdev); + struct mx3fb_info *mx3_fbi = drv_data->fbi->par; + + if (mx3_fbi->blank == FB_BLANK_UNBLANK) { + sdc_enable_channel(mx3_fbi); + sdc_set_brightness(mx3fb, drv_data->backlight_level); + } + + acquire_console_sem(); + fb_set_suspend(drv_data->fbi, 0); + release_console_sem(); + + return 0; +} +#else +#define mx3fb_suspend NULL +#define mx3fb_resume NULL +#endif + +/* + * Main framebuffer functions + */ + +/** + * mx3fb_map_video_memory() - allocates the DRAM memory for the frame buffer. + * @fbi: framebuffer information pointer + * @return: Error code indicating success or failure + * + * This buffer is remapped into a non-cached, non-buffered, memory region to + * allow palette and pixel writes to occur without flushing the cache. Once this + * area is remapped, all virtual memory access to the video memory should occur + * at the new region. + */ +static int mx3fb_map_video_memory(struct fb_info *fbi) +{ + int retval = 0; + dma_addr_t addr; + + fbi->screen_base = dma_alloc_writecombine(fbi->device, + fbi->fix.smem_len, + &addr, GFP_DMA); + + if (!fbi->screen_base) { + dev_err(fbi->device, "Cannot allocate %u bytes framebuffer memory\n", + fbi->fix.smem_len); + retval = -EBUSY; + goto err0; + } + + fbi->fix.smem_start = addr; + + dev_dbg(fbi->device, "allocated fb @ p=0x%08x, v=0x%p, size=%d.\n", + (uint32_t) fbi->fix.smem_start, fbi->screen_base, fbi->fix.smem_len); + + fbi->screen_size = fbi->fix.smem_len; + + /* Clear the screen */ + memset((char *)fbi->screen_base, 0, fbi->fix.smem_len); + + return 0; + +err0: + fbi->fix.smem_len = 0; + fbi->fix.smem_start = 0; + fbi->screen_base = NULL; + return retval; +} + +/** + * mx3fb_unmap_video_memory() - de-allocate frame buffer memory. + * @fbi: framebuffer information pointer + * @return: error code indicating success or failure + */ +static int mx3fb_unmap_video_memory(struct fb_info *fbi) +{ + dma_free_writecombine(fbi->device, fbi->fix.smem_len, + fbi->screen_base, fbi->fix.smem_start); + + fbi->screen_base = 0; + fbi->fix.smem_start = 0; + fbi->fix.smem_len = 0; + return 0; +} + +/** + * mx3fb_init_fbinfo() - initialize framebuffer information object. + * @return: initialized framebuffer structure. + */ +static struct fb_info *mx3fb_init_fbinfo(struct device *dev, struct fb_ops *ops) +{ + struct fb_info *fbi; + struct mx3fb_info *mx3fbi; + int ret; + + /* Allocate sufficient memory for the fb structure */ + fbi = framebuffer_alloc(sizeof(struct mx3fb_info), dev); + if (!fbi) + return NULL; + + mx3fbi = fbi->par; + mx3fbi->cookie = -EINVAL; + mx3fbi->cur_ipu_buf = 0; + + fbi->var.activate = FB_ACTIVATE_NOW; + + fbi->fbops = ops; + fbi->flags = FBINFO_FLAG_DEFAULT; + fbi->pseudo_palette = mx3fbi->pseudo_palette; + + mutex_init(&mx3fbi->mutex); + + /* Allocate colormap */ + ret = fb_alloc_cmap(&fbi->cmap, 16, 0); + if (ret < 0) { + framebuffer_release(fbi); + return NULL; + } + + return fbi; +} + +static int init_fb_chan(struct mx3fb_data *mx3fb, struct idmac_channel *ichan) +{ + struct device *dev = mx3fb->dev; + struct mx3fb_platform_data *mx3fb_pdata = dev->platform_data; + const char *name = mx3fb_pdata->name; + unsigned int irq; + struct fb_info *fbi; + struct mx3fb_info *mx3fbi; + const struct fb_videomode *mode; + int ret, num_modes; + + ichan->client = mx3fb; + irq = ichan->eof_irq; + + if (ichan->dma_chan.chan_id != IDMAC_SDC_0) + return -EINVAL; + + fbi = mx3fb_init_fbinfo(dev, &mx3fb_ops); + if (!fbi) + return -ENOMEM; + + if (!fb_mode) + fb_mode = name; + + if (!fb_mode) { + ret = -EINVAL; + goto emode; + } + + if (mx3fb_pdata->mode && mx3fb_pdata->num_modes) { + mode = mx3fb_pdata->mode; + num_modes = mx3fb_pdata->num_modes; + } else { + mode = mx3fb_modedb; + num_modes = ARRAY_SIZE(mx3fb_modedb); + } + + if (!fb_find_mode(&fbi->var, fbi, fb_mode, mode, + num_modes, NULL, default_bpp)) { + ret = -EBUSY; + goto emode; + } + + fb_videomode_to_modelist(mode, num_modes, &fbi->modelist); + + /* Default Y virtual size is 2x panel size */ + fbi->var.yres_virtual = fbi->var.yres * 2; + + mx3fb->fbi = fbi; + + /* set Display Interface clock period */ + mx3fb_write_reg(mx3fb, 0x00100010L, DI_HSP_CLK_PER); + /* Might need to trigger HSP clock change - see 44.3.3.8.5 */ + + sdc_set_brightness(mx3fb, 255); + sdc_set_global_alpha(mx3fb, true, 0xFF); + sdc_set_color_key(mx3fb, IDMAC_SDC_0, false, 0); + + mx3fbi = fbi->par; + mx3fbi->idmac_channel = ichan; + mx3fbi->ipu_ch = ichan->dma_chan.chan_id; + mx3fbi->mx3fb = mx3fb; + mx3fbi->blank = FB_BLANK_NORMAL; + + init_completion(&mx3fbi->flip_cmpl); + disable_irq(ichan->eof_irq); + dev_dbg(mx3fb->dev, "disabling irq %d\n", ichan->eof_irq); + ret = mx3fb_set_par(fbi); + if (ret < 0) + goto esetpar; + + mx3fb_blank(FB_BLANK_UNBLANK, fbi); + + dev_info(dev, "mx3fb: fb registered, using mode %s\n", fb_mode); + + ret = register_framebuffer(fbi); + if (ret < 0) + goto erfb; + + return 0; + +erfb: +esetpar: +emode: + fb_dealloc_cmap(&fbi->cmap); + framebuffer_release(fbi); + + return ret; +} + +static bool chan_filter(struct dma_chan *chan, void *arg) +{ + struct dma_chan_request *rq = arg; + struct device *dev; + struct mx3fb_platform_data *mx3fb_pdata; + + if (!rq) + return false; + + dev = rq->mx3fb->dev; + mx3fb_pdata = dev->platform_data; + + return rq->id == chan->chan_id && + mx3fb_pdata->dma_dev == chan->device->dev; +} + +static void release_fbi(struct fb_info *fbi) +{ + mx3fb_unmap_video_memory(fbi); + + fb_dealloc_cmap(&fbi->cmap); + + unregister_framebuffer(fbi); + framebuffer_release(fbi); +} + +static int mx3fb_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + int ret; + struct resource *sdc_reg; + struct mx3fb_data *mx3fb; + dma_cap_mask_t mask; + struct dma_chan *chan; + struct dma_chan_request rq; + + /* + * Display Interface (DI) and Synchronous Display Controller (SDC) + * registers + */ + sdc_reg = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!sdc_reg) + return -EINVAL; + + mx3fb = kzalloc(sizeof(*mx3fb), GFP_KERNEL); + if (!mx3fb) + return -ENOMEM; + + spin_lock_init(&mx3fb->lock); + + mx3fb->reg_base = ioremap(sdc_reg->start, resource_size(sdc_reg)); + if (!mx3fb->reg_base) { + ret = -ENOMEM; + goto eremap; + } + + pr_debug("Remapped %x to %x at %p\n", sdc_reg->start, sdc_reg->end, + mx3fb->reg_base); + + /* IDMAC interface */ + dmaengine_get(); + + mx3fb->dev = dev; + platform_set_drvdata(pdev, mx3fb); + + rq.mx3fb = mx3fb; + + dma_cap_zero(mask); + dma_cap_set(DMA_SLAVE, mask); + dma_cap_set(DMA_PRIVATE, mask); + rq.id = IDMAC_SDC_0; + chan = dma_request_channel(mask, chan_filter, &rq); + if (!chan) { + ret = -EBUSY; + goto ersdc0; + } + + ret = init_fb_chan(mx3fb, to_idmac_chan(chan)); + if (ret < 0) + goto eisdc0; + + mx3fb->backlight_level = 255; + + return 0; + +eisdc0: + dma_release_channel(chan); +ersdc0: + dmaengine_put(); + iounmap(mx3fb->reg_base); +eremap: + kfree(mx3fb); + dev_err(dev, "mx3fb: failed to register fb\n"); + return ret; +} + +static int mx3fb_remove(struct platform_device *dev) +{ + struct mx3fb_data *mx3fb = platform_get_drvdata(dev); + struct fb_info *fbi = mx3fb->fbi; + struct mx3fb_info *mx3_fbi = fbi->par; + struct dma_chan *chan; + + chan = &mx3_fbi->idmac_channel->dma_chan; + release_fbi(fbi); + + dma_release_channel(chan); + dmaengine_put(); + + iounmap(mx3fb->reg_base); + kfree(mx3fb); + return 0; +} + +static struct platform_driver mx3fb_driver = { + .driver = { + .name = MX3FB_NAME, + }, + .probe = mx3fb_probe, + .remove = mx3fb_remove, + .suspend = mx3fb_suspend, + .resume = mx3fb_resume, +}; + +/* + * Parse user specified options (`video=mx3fb:') + * example: + * video=mx3fb:bpp=16 + */ +static int mx3fb_setup(void) +{ +#ifndef MODULE + char *opt, *options = NULL; + + if (fb_get_options("mx3fb", &options)) + return -ENODEV; + + if (!options || !*options) + return 0; + + while ((opt = strsep(&options, ",")) != NULL) { + if (!*opt) + continue; + if (!strncmp(opt, "bpp=", 4)) + default_bpp = simple_strtoul(opt + 4, NULL, 0); + else + fb_mode = opt; + } +#endif + + return 0; +} + +static int __init mx3fb_init(void) +{ + int ret = mx3fb_setup(); + + if (ret < 0) + return ret; + + ret = platform_driver_register(&mx3fb_driver); + return ret; +} + +static void __exit mx3fb_exit(void) +{ + platform_driver_unregister(&mx3fb_driver); +} + +module_init(mx3fb_init); +module_exit(mx3fb_exit); + +MODULE_AUTHOR("Freescale Semiconductor, Inc."); +MODULE_DESCRIPTION("MX3 framebuffer driver"); +MODULE_ALIAS("platform:" MX3FB_NAME); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/video/nvidia/nv_i2c.c b/drivers/video/nvidia/nv_i2c.c index 6fd7cb8..6aaddb4 100644 --- a/drivers/video/nvidia/nv_i2c.c +++ b/drivers/video/nvidia/nv_i2c.c @@ -87,7 +87,6 @@ static int nvidia_setup_i2c_bus(struct nvidia_i2c_chan *chan, const char *name, strcpy(chan->adapter.name, name); chan->adapter.owner = THIS_MODULE; - chan->adapter.id = I2C_HW_B_NVIDIA; chan->adapter.class = i2c_class; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = &chan->par->pci_dev->dev; diff --git a/drivers/video/omap/lcdc.c b/drivers/video/omap/lcdc.c index 6e2ea75..ab39492 100644 --- a/drivers/video/omap/lcdc.c +++ b/drivers/video/omap/lcdc.c @@ -800,14 +800,14 @@ static int omap_lcdc_init(struct omapfb_device *fbdev, int ext_mode, /* FIXME: * According to errata some platforms have a clock rate limitiation */ - lcdc.lcd_ck = clk_get(NULL, "lcd_ck"); + lcdc.lcd_ck = clk_get(fbdev->dev, "lcd_ck"); if (IS_ERR(lcdc.lcd_ck)) { dev_err(fbdev->dev, "unable to access LCD clock\n"); r = PTR_ERR(lcdc.lcd_ck); goto fail0; } - tc_ck = clk_get(NULL, "tc_ck"); + tc_ck = clk_get(fbdev->dev, "tc_ck"); if (IS_ERR(tc_ck)) { dev_err(fbdev->dev, "unable to access TC clock\n"); r = PTR_ERR(tc_ck); diff --git a/drivers/video/savage/savagefb-i2c.c b/drivers/video/savage/savagefb-i2c.c index 783d4ad..574b29e 100644 --- a/drivers/video/savage/savagefb-i2c.c +++ b/drivers/video/savage/savagefb-i2c.c @@ -137,7 +137,6 @@ static int savage_setup_i2c_bus(struct savagefb_i2c_chan *chan, if (chan->par) { strcpy(chan->adapter.name, name); chan->adapter.owner = THIS_MODULE; - chan->adapter.id = I2C_HW_B_SAVAGE; chan->adapter.algo_data = &chan->algo; chan->adapter.dev.parent = &chan->par->pcidev->dev; chan->algo.udelay = 10; diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c index bef6b45..330aacb 100644 --- a/drivers/virtio/virtio_pci.c +++ b/drivers/virtio/virtio_pci.c @@ -192,7 +192,7 @@ static irqreturn_t vp_interrupt(int irq, void *opaque) drv = container_of(vp_dev->vdev.dev.driver, struct virtio_driver, driver); - if (drv->config_changed) + if (drv && drv->config_changed) drv->config_changed(&vp_dev->vdev); } diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index 3efa12f..09a3d55 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -187,10 +187,10 @@ config EP93XX_WATCHDOG config OMAP_WATCHDOG tristate "OMAP Watchdog" - depends on ARCH_OMAP16XX || ARCH_OMAP24XX + depends on ARCH_OMAP16XX || ARCH_OMAP24XX || ARCH_OMAP34XX help - Support for TI OMAP1610/OMAP1710/OMAP2420 watchdog. Say 'Y' here to - enable the OMAP1610/OMAP1710 watchdog timer. + Support for TI OMAP1610/OMAP1710/OMAP2420/OMAP3430 watchdog. Say 'Y' + here to enable the OMAP1610/OMAP1710/OMAP2420/OMAP3430 watchdog timer. config PNX4008_WATCHDOG tristate "PNX4008 Watchdog" diff --git a/drivers/watchdog/at91rm9200_wdt.c b/drivers/watchdog/at91rm9200_wdt.c index 993e5f5..5531691 100644 --- a/drivers/watchdog/at91rm9200_wdt.c +++ b/drivers/watchdog/at91rm9200_wdt.c @@ -13,6 +13,7 @@ #include <linux/errno.h> #include <linux/fs.h> #include <linux/init.h> +#include <linux/io.h> #include <linux/kernel.h> #include <linux/miscdevice.h> #include <linux/module.h> diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 8dc7109..efa4b36 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -298,6 +298,14 @@ static int decrease_reservation(unsigned long nr_pages) frame_list[i] = pfn_to_mfn(pfn); scrub_page(page); + + if (!PageHighMem(page)) { + ret = HYPERVISOR_update_va_mapping( + (unsigned long)__va(pfn << PAGE_SHIFT), + __pte_ma(0), 0); + BUG_ON(ret); + } + } /* Ensure that ballooned highmem pages don't have kmaps. */ @@ -490,7 +498,7 @@ static ssize_t store_target_kb(struct sys_device *dev, if (!capable(CAP_SYS_ADMIN)) return -EPERM; - target_bytes = memparse(buf, &endchar); + target_bytes = simple_strtoull(buf, &endchar, 0) * 1024; balloon_set_new_target(target_bytes >> PAGE_SHIFT); @@ -500,8 +508,39 @@ static ssize_t store_target_kb(struct sys_device *dev, static SYSDEV_ATTR(target_kb, S_IRUGO | S_IWUSR, show_target_kb, store_target_kb); + +static ssize_t show_target(struct sys_device *dev, struct sysdev_attribute *attr, + char *buf) +{ + return sprintf(buf, "%llu\n", + (u64)balloon_stats.target_pages << PAGE_SHIFT); +} + +static ssize_t store_target(struct sys_device *dev, + struct sysdev_attribute *attr, + const char *buf, + size_t count) +{ + char *endchar; + unsigned long long target_bytes; + + if (!capable(CAP_SYS_ADMIN)) + return -EPERM; + + target_bytes = memparse(buf, &endchar); + + balloon_set_new_target(target_bytes >> PAGE_SHIFT); + + return count; +} + +static SYSDEV_ATTR(target, S_IRUGO | S_IWUSR, + show_target, store_target); + + static struct sysdev_attribute *balloon_attrs[] = { &attr_target_kb, + &attr_target, }; static struct attribute *balloon_info_attrs[] = { diff --git a/drivers/xen/xenfs/xenbus.c b/drivers/xen/xenfs/xenbus.c index 875a4c5..a9592d9 100644 --- a/drivers/xen/xenfs/xenbus.c +++ b/drivers/xen/xenfs/xenbus.c @@ -291,7 +291,7 @@ static void watch_fired(struct xenbus_watch *watch, static int xenbus_write_transaction(unsigned msg_type, struct xenbus_file_priv *u) { - int rc, ret; + int rc; void *reply; struct xenbus_transaction_holder *trans = NULL; LIST_HEAD(staging_q); @@ -326,15 +326,14 @@ static int xenbus_write_transaction(unsigned msg_type, } mutex_lock(&u->reply_mutex); - ret = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg)); - if (!ret) - ret = queue_reply(&staging_q, reply, u->u.msg.len); - if (!ret) { + rc = queue_reply(&staging_q, &u->u.msg, sizeof(u->u.msg)); + if (!rc) + rc = queue_reply(&staging_q, reply, u->u.msg.len); + if (!rc) { list_splice_tail(&staging_q, &u->read_buffers); wake_up(&u->read_waitq); } else { queue_cleanup(&staging_q); - rc = ret; } mutex_unlock(&u->reply_mutex); |
