diff options
Diffstat (limited to 'drivers/char')
51 files changed, 3388 insertions, 265 deletions
diff --git a/drivers/char/Kconfig b/drivers/char/Kconfig index fdf4370..84e68cd 100644 --- a/drivers/char/Kconfig +++ b/drivers/char/Kconfig @@ -687,7 +687,7 @@ config NVRAM config RTC tristate "Enhanced Real Time Clock Support" - depends on !PPC32 && !PARISC && !IA64 && !M68K + depends on !PPC32 && !PARISC && !IA64 && !M68K && (!SPARC || PCI) ---help--- If you say Y here and create a character special file /dev/rtc with major number 10 and minor number 135 using mknod ("man mknod"), you @@ -735,7 +735,7 @@ config SGI_IP27_RTC config GEN_RTC tristate "Generic /dev/rtc emulation" - depends on RTC!=y && !IA64 && !ARM && !PPC64 && !M32R && !SPARC32 && !SPARC64 + depends on RTC!=y && !IA64 && !ARM && !M32R && !SPARC ---help--- If you say Y here and create a character special file /dev/rtc with major number 10 and minor number 135 using mknod ("man mknod"), you @@ -943,6 +943,15 @@ config RAW_DRIVER Applications should simply open the device (eg /dev/hda1) with the O_DIRECT flag. +config MAX_RAW_DEVS + int "Maximum number of RAW devices to support (1-8192)" + depends on RAW_DRIVER + default "256" + help + The maximum number of RAW devices that are supported. + Default is 256. Increase this number in case you need lots of + raw devices. + config HPET bool "HPET - High Precision Event Timer" if (X86 || IA64) default n @@ -974,15 +983,6 @@ config HPET_MMAP exposed to the user. If this applies to your hardware, say N here. -config MAX_RAW_DEVS - int "Maximum number of RAW devices to support (1-8192)" - depends on RAW_DRIVER - default "256" - help - The maximum number of RAW devices that are supported. - Default is 256. Increase this number in case you need lots of - raw devices. - config HANGCHECK_TIMER tristate "Hangcheck timer" depends on X86 || IA64 || PPC64 || ARCH_S390 diff --git a/drivers/char/agp/ali-agp.c b/drivers/char/agp/ali-agp.c index ba54b58..b02fc22 100644 --- a/drivers/char/agp/ali-agp.c +++ b/drivers/char/agp/ali-agp.c @@ -389,7 +389,6 @@ static struct pci_device_id agp_ali_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_ali_pci_table); static struct pci_driver agp_ali_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-ali", .id_table = agp_ali_pci_table, .probe = agp_ali_probe, diff --git a/drivers/char/agp/amd-k7-agp.c b/drivers/char/agp/amd-k7-agp.c index 40fcd88b2..1f77665 100644 --- a/drivers/char/agp/amd-k7-agp.c +++ b/drivers/char/agp/amd-k7-agp.c @@ -515,7 +515,6 @@ static struct pci_device_id agp_amdk7_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_amdk7_pci_table); static struct pci_driver agp_amdk7_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-amdk7", .id_table = agp_amdk7_pci_table, .probe = agp_amdk7_probe, diff --git a/drivers/char/agp/amd64-agp.c b/drivers/char/agp/amd64-agp.c index 8f748fd..810679d 100644 --- a/drivers/char/agp/amd64-agp.c +++ b/drivers/char/agp/amd64-agp.c @@ -57,9 +57,8 @@ static int nr_garts; static struct pci_dev * hammers[MAX_HAMMER_GARTS]; static struct resource *aperture_resource; -static int __initdata agp_try_unsupported; +static int __initdata agp_try_unsupported = 1; -static int gart_iterator; #define for_each_nb() for(gart_iterator=0;gart_iterator<nr_garts;gart_iterator++) static void flush_amd64_tlb(struct pci_dev *dev) @@ -73,6 +72,7 @@ static void flush_amd64_tlb(struct pci_dev *dev) static void amd64_tlbflush(struct agp_memory *temp) { + int gart_iterator; for_each_nb() flush_amd64_tlb(hammers[gart_iterator]); } @@ -222,6 +222,7 @@ static struct aper_size_info_32 amd_8151_sizes[7] = static int amd_8151_configure(void) { unsigned long gatt_bus = virt_to_gart(agp_bridge->gatt_table_real); + int gart_iterator; /* Configure AGP regs in each x86-64 host bridge. */ for_each_nb() { @@ -235,7 +236,7 @@ static int amd_8151_configure(void) static void amd64_cleanup(void) { u32 tmp; - + int gart_iterator; for_each_nb() { /* disable gart translation */ pci_read_config_dword (hammers[gart_iterator], AMD64_GARTAPERTURECTL, &tmp); @@ -415,7 +416,7 @@ static void __devinit amd8151_init(struct pci_dev *pdev, struct agp_bridge_data } -static struct aper_size_info_32 uli_sizes[7] = +static const struct aper_size_info_32 uli_sizes[7] = { {256, 65536, 6, 10}, {128, 32768, 5, 9}, @@ -469,7 +470,7 @@ static int __devinit uli_agp_init(struct pci_dev *pdev) } -static struct aper_size_info_32 nforce3_sizes[5] = +static const struct aper_size_info_32 nforce3_sizes[5] = { {512, 131072, 7, 0x00000000 }, {256, 65536, 6, 0x00000008 }, @@ -697,13 +698,22 @@ static struct pci_device_id agp_amd64_pci_table[] = { .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, }, + /* ALI/ULI M1695 */ + { + .class = (PCI_CLASS_BRIDGE_HOST << 8), + .class_mask = ~0, + .vendor = PCI_VENDOR_ID_AL, + .device = 0x1689, + .subvendor = PCI_ANY_ID, + .subdevice = PCI_ANY_ID, + }, + { } }; MODULE_DEVICE_TABLE(pci, agp_amd64_pci_table); static struct pci_driver agp_amd64_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-amd64", .id_table = agp_amd64_pci_table, .probe = agp_amd64_probe, diff --git a/drivers/char/agp/ati-agp.c b/drivers/char/agp/ati-agp.c index fbd4155..53372a8 100644 --- a/drivers/char/agp/ati-agp.c +++ b/drivers/char/agp/ati-agp.c @@ -521,7 +521,6 @@ static struct pci_device_id agp_ati_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_ati_pci_table); static struct pci_driver agp_ati_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-ati", .id_table = agp_ati_pci_table, .probe = agp_ati_probe, diff --git a/drivers/char/agp/backend.c b/drivers/char/agp/backend.c index 27bca34..80ee17a 100644 --- a/drivers/char/agp/backend.c +++ b/drivers/char/agp/backend.c @@ -97,7 +97,7 @@ void agp_backend_release(struct agp_bridge_data *bridge) EXPORT_SYMBOL(agp_backend_release); -static struct { int mem, agp; } maxes_table[] = { +static const struct { int mem, agp; } maxes_table[] = { {0, 0}, {32, 4}, {64, 28}, diff --git a/drivers/char/agp/efficeon-agp.c b/drivers/char/agp/efficeon-agp.c index d41e0a6..e7aea77 100644 --- a/drivers/char/agp/efficeon-agp.c +++ b/drivers/char/agp/efficeon-agp.c @@ -429,7 +429,6 @@ static struct pci_device_id agp_efficeon_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_efficeon_pci_table); static struct pci_driver agp_efficeon_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-efficeon", .id_table = agp_efficeon_pci_table, .probe = agp_efficeon_probe, diff --git a/drivers/char/agp/i460-agp.c b/drivers/char/agp/i460-agp.c index 34a4446..8ee19a4 100644 --- a/drivers/char/agp/i460-agp.c +++ b/drivers/char/agp/i460-agp.c @@ -622,7 +622,6 @@ static struct pci_device_id agp_intel_i460_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_intel_i460_pci_table); static struct pci_driver agp_intel_i460_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-intel-i460", .id_table = agp_intel_i460_pci_table, .probe = agp_intel_i460_probe, diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c index 027161a..e7bed50 100644 --- a/drivers/char/agp/intel-agp.c +++ b/drivers/char/agp/intel-agp.c @@ -1827,7 +1827,6 @@ static struct pci_device_id agp_intel_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_intel_pci_table); static struct pci_driver agp_intel_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-intel", .id_table = agp_intel_pci_table, .probe = agp_intel_probe, diff --git a/drivers/char/agp/nvidia-agp.c b/drivers/char/agp/nvidia-agp.c index 3aed0c5..80dafa3 100644 --- a/drivers/char/agp/nvidia-agp.c +++ b/drivers/char/agp/nvidia-agp.c @@ -398,7 +398,6 @@ static struct pci_device_id agp_nvidia_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_nvidia_pci_table); static struct pci_driver agp_nvidia_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-nvidia", .id_table = agp_nvidia_pci_table, .probe = agp_nvidia_probe, diff --git a/drivers/char/agp/sis-agp.c b/drivers/char/agp/sis-agp.c index a701361..ebc0555 100644 --- a/drivers/char/agp/sis-agp.c +++ b/drivers/char/agp/sis-agp.c @@ -332,7 +332,6 @@ static struct pci_device_id agp_sis_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_sis_pci_table); static struct pci_driver agp_sis_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-sis", .id_table = agp_sis_pci_table, .probe = agp_sis_probe, diff --git a/drivers/char/agp/sworks-agp.c b/drivers/char/agp/sworks-agp.c index 5a5392d..3f8f7fa 100644 --- a/drivers/char/agp/sworks-agp.c +++ b/drivers/char/agp/sworks-agp.c @@ -545,7 +545,6 @@ static struct pci_device_id agp_serverworks_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_serverworks_pci_table); static struct pci_driver agp_serverworks_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-serverworks", .id_table = agp_serverworks_pci_table, .probe = agp_serverworks_probe, diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c index 183c50a..50947e3 100644 --- a/drivers/char/agp/uninorth-agp.c +++ b/drivers/char/agp/uninorth-agp.c @@ -557,6 +557,10 @@ static struct agp_device_ids uninorth_agp_device_ids[] __devinitdata = { .device_id = PCI_DEVICE_ID_APPLE_U3H_AGP, .chipset_name = "U3H", }, + { + .device_id = PCI_DEVICE_ID_APPLE_IPID2_AGP, + .chipset_name = "UniNorth/Intrepid2", + }, }; static int __devinit agp_uninorth_probe(struct pci_dev *pdev, @@ -658,7 +662,6 @@ static struct pci_device_id agp_uninorth_pci_table[] = { MODULE_DEVICE_TABLE(pci, agp_uninorth_pci_table); static struct pci_driver agp_uninorth_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-uninorth", .id_table = agp_uninorth_pci_table, .probe = agp_uninorth_probe, diff --git a/drivers/char/agp/via-agp.c b/drivers/char/agp/via-agp.c index 5d9a137..97b0a89 100644 --- a/drivers/char/agp/via-agp.c +++ b/drivers/char/agp/via-agp.c @@ -371,6 +371,11 @@ static struct agp_device_ids via_agp_device_ids[] __devinitdata = .device_id = PCI_DEVICE_ID_VIA_3296_0, .chipset_name = "P4M800", }, + /* P4M800CE */ + { + .device_id = PCI_DEVICE_ID_VIA_P4M800CE, + .chipset_name = "P4M800CE", + }, { }, /* dummy final entry, always present */ }; @@ -511,6 +516,7 @@ static struct pci_device_id agp_via_pci_table[] = { ID(PCI_DEVICE_ID_VIA_3269_0), ID(PCI_DEVICE_ID_VIA_83_87XX_1), ID(PCI_DEVICE_ID_VIA_3296_0), + ID(PCI_DEVICE_ID_VIA_P4M800CE), { } }; @@ -518,7 +524,6 @@ MODULE_DEVICE_TABLE(pci, agp_via_pci_table); static struct pci_driver agp_via_pci_driver = { - .owner = THIS_MODULE, .name = "agpgart-via", .id_table = agp_via_pci_table, .probe = agp_via_probe, diff --git a/drivers/char/drm/drm_lock.c b/drivers/char/drm/drm_lock.c index f970dc3..f9e4530 100644 --- a/drivers/char/drm/drm_lock.c +++ b/drivers/char/drm/drm_lock.c @@ -104,8 +104,9 @@ int drm_lock(struct inode *inode, struct file *filp, __set_current_state(TASK_RUNNING); remove_wait_queue(&dev->lock.lock_queue, &entry); - DRM_DEBUG( "%d %s\n", lock.context, ret ? "interrupted" : "has lock" ); - if (ret) return ret; + DRM_DEBUG("%d %s\n", lock.context, ret ? "interrupted" : "has lock"); + if (ret) + return ret; sigemptyset(&dev->sigmask); sigaddset(&dev->sigmask, SIGSTOP); @@ -121,17 +122,19 @@ int drm_lock(struct inode *inode, struct file *filp, if (dev->driver->dma_quiescent && (lock.flags & _DRM_LOCK_QUIESCENT)) { if (dev->driver->dma_quiescent(dev)) { - DRM_DEBUG( "%d waiting for DMA quiescent\n", lock.context); + DRM_DEBUG("%d waiting for DMA quiescent\n", lock.context); return DRM_ERR(EBUSY); } } + /* dev->driver->kernel_context_switch isn't used by any of the x86 + * drivers but is used by the Sparc driver. + */ if (dev->driver->kernel_context_switch && dev->last_context != lock.context) { dev->driver->kernel_context_switch(dev, dev->last_context, lock.context); } - return 0; } diff --git a/drivers/char/drm/drm_memory.c b/drivers/char/drm/drm_memory.c index 7438741..8074771 100644 --- a/drivers/char/drm/drm_memory.c +++ b/drivers/char/drm/drm_memory.c @@ -95,7 +95,7 @@ unsigned long drm_alloc_pages(int order, int area) unsigned long addr; unsigned int sz; - address = __get_free_pages(GFP_KERNEL, order); + address = __get_free_pages(GFP_KERNEL|__GFP_COMP, order); if (!address) return 0; diff --git a/drivers/char/drm/drm_memory_debug.h b/drivers/char/drm/drm_memory_debug.h index 706b752..e84605f 100644 --- a/drivers/char/drm/drm_memory_debug.h +++ b/drivers/char/drm/drm_memory_debug.h @@ -220,7 +220,7 @@ unsigned long drm_alloc_pages (int order, int area) { } spin_unlock(&drm_mem_lock); - address = __get_free_pages(GFP_KERNEL, order); + address = __get_free_pages(GFP_KERNEL|__GFP_COMP, order); if (!address) { spin_lock(&drm_mem_lock); ++drm_mem_stats[area].fail_count; diff --git a/drivers/char/drm/mga_drv.c b/drivers/char/drm/mga_drv.c index 93f171e..9f7ed0e 100644 --- a/drivers/char/drm/mga_drv.c +++ b/drivers/char/drm/mga_drv.c @@ -131,7 +131,7 @@ static int mga_driver_device_is_agp(drm_device_t * dev) * device. */ - if ((pdev->device == 0x0525) + if ((pdev->device == 0x0525) && pdev->bus->self && (pdev->bus->self->vendor == 0x3388) && (pdev->bus->self->device == 0x0021)) { return 0; diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h index 498b19b..fac0d51 100644 --- a/drivers/char/drm/radeon_drv.h +++ b/drivers/char/drm/radeon_drv.h @@ -273,6 +273,7 @@ typedef struct drm_radeon_private { /* starting from here on, data is preserved accross an open */ uint32_t flags; /* see radeon_chip_flags */ + int is_pci; } drm_radeon_private_t; typedef struct drm_radeon_buf_priv { diff --git a/drivers/char/epca.c b/drivers/char/epca.c index b7a0e4d..407708a 100644 --- a/drivers/char/epca.c +++ b/drivers/char/epca.c @@ -3113,7 +3113,6 @@ MODULE_DEVICE_TABLE(pci, epca_pci_tbl); int __init init_PCI (void) { /* Begin init_PCI */ memset (&epca_driver, 0, sizeof (epca_driver)); - epca_driver.owner = THIS_MODULE; epca_driver.name = "epca"; epca_driver.id_table = epca_pci_tbl; epca_driver.probe = epca_init_one; diff --git a/drivers/char/ftape/lowlevel/ftape-buffer.c b/drivers/char/ftape/lowlevel/ftape-buffer.c index 54af20c..c706ff1 100644 --- a/drivers/char/ftape/lowlevel/ftape-buffer.c +++ b/drivers/char/ftape/lowlevel/ftape-buffer.c @@ -33,6 +33,7 @@ #include "../lowlevel/ftape-rw.h" #include "../lowlevel/ftape-read.h" #include "../lowlevel/ftape-tracing.h" +#include "../lowlevel/ftape-buffer.h" /* DMA'able memory allocation stuff. */ diff --git a/drivers/char/i8k.c b/drivers/char/i8k.c index 6c4b3f9..f3c3aaf 100644 --- a/drivers/char/i8k.c +++ b/drivers/char/i8k.c @@ -99,7 +99,9 @@ struct smm_regs { static inline char *i8k_get_dmi_data(int field) { - return dmi_get_system_info(field) ? : "N/A"; + char *dmi_data = dmi_get_system_info(field); + + return dmi_data && *dmi_data ? dmi_data : "?"; } /* @@ -396,7 +398,7 @@ static int i8k_proc_show(struct seq_file *seq, void *offset) return seq_printf(seq, "%s %s %s %d %d %d %d %d %d %d\n", I8K_PROC_FMT, bios_version, - dmi_get_system_info(DMI_PRODUCT_SERIAL) ? : "N/A", + i8k_get_dmi_data(DMI_PRODUCT_SERIAL), cpu_temp, left_fan, right_fan, left_speed, right_speed, ac_power, fn_key); diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c index c1d06ba..1f56b4c 100644 --- a/drivers/char/ipmi/ipmi_msghandler.c +++ b/drivers/char/ipmi/ipmi_msghandler.c @@ -48,7 +48,7 @@ #define PFX "IPMI message handler: " -#define IPMI_DRIVER_VERSION "36.0" +#define IPMI_DRIVER_VERSION "38.0" static struct ipmi_recv_msg *ipmi_alloc_recv_msg(void); static int ipmi_init_msghandler(void); @@ -2648,7 +2648,7 @@ void ipmi_smi_msg_received(ipmi_smi_t intf, spin_lock_irqsave(&intf->waiting_msgs_lock, flags); if (!list_empty(&intf->waiting_msgs)) { list_add_tail(&msg->link, &intf->waiting_msgs); - spin_unlock(&intf->waiting_msgs_lock); + spin_unlock_irqrestore(&intf->waiting_msgs_lock, flags); goto out; } spin_unlock_irqrestore(&intf->waiting_msgs_lock, flags); @@ -2657,9 +2657,9 @@ void ipmi_smi_msg_received(ipmi_smi_t intf, if (rv > 0) { /* Could not handle the message now, just add it to a list to handle later. */ - spin_lock(&intf->waiting_msgs_lock); + spin_lock_irqsave(&intf->waiting_msgs_lock, flags); list_add_tail(&msg->link, &intf->waiting_msgs); - spin_unlock(&intf->waiting_msgs_lock); + spin_unlock_irqrestore(&intf->waiting_msgs_lock, flags); } else if (rv == 0) { ipmi_free_smi_msg(msg); } @@ -2986,7 +2986,7 @@ static void send_panic_events(char *str) msg.cmd = 2; /* Platform event command. */ msg.data = data; msg.data_len = 8; - data[0] = 0x21; /* Kernel generator ID, IPMI table 5-4 */ + data[0] = 0x41; /* Kernel generator ID, IPMI table 5-4 */ data[1] = 0x03; /* This is for IPMI 1.0. */ data[2] = 0x20; /* OS Critical Stop, IPMI table 36-3 */ data[4] = 0x6f; /* Sensor specific, IPMI table 36-1 */ diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index ea89dca..beea450 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -2203,7 +2203,7 @@ static void setup_xaction_handlers(struct smi_info *smi_info) static inline void wait_for_timer_and_thread(struct smi_info *smi_info) { - if (smi_info->thread != ERR_PTR(-ENOMEM)) + if (smi_info->thread != NULL && smi_info->thread != ERR_PTR(-ENOMEM)) kthread_stop(smi_info->thread); del_timer_sync(&smi_info->si_timer); } @@ -2399,7 +2399,8 @@ static int init_one_smi(int intf_num, struct smi_info **smi) new_smi->handlers->cleanup(new_smi->si_sm); kfree(new_smi->si_sm); } - new_smi->io_cleanup(new_smi); + if (new_smi->io_cleanup) + new_smi->io_cleanup(new_smi); return rv; } @@ -2518,7 +2519,8 @@ static void __exit cleanup_one_si(struct smi_info *to_clean) kfree(to_clean->si_sm); - to_clean->io_cleanup(to_clean); + if (to_clean->io_cleanup) + to_clean->io_cleanup(to_clean); } static __exit void cleanup_ipmi_si(void) diff --git a/drivers/char/keyboard.c b/drivers/char/keyboard.c index 449d029..8b603b2 100644 --- a/drivers/char/keyboard.c +++ b/drivers/char/keyboard.c @@ -930,8 +930,8 @@ static void kbd_refresh_leds(struct input_handle *handle) } #if defined(CONFIG_X86) || defined(CONFIG_IA64) || defined(CONFIG_ALPHA) ||\ - defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_SPARC32) ||\ - defined(CONFIG_SPARC64) || defined(CONFIG_PARISC) || defined(CONFIG_SUPERH) ||\ + defined(CONFIG_MIPS) || defined(CONFIG_PPC) || defined(CONFIG_SPARC) ||\ + defined(CONFIG_PARISC) || defined(CONFIG_SUPERH) ||\ (defined(CONFIG_ARM) && defined(CONFIG_KEYBOARD_ATKBD) && !defined(CONFIG_ARCH_RPC)) #define HW_RAW(dev) (test_bit(EV_MSC, dev->evbit) && test_bit(MSC_RAW, dev->mscbit) &&\ @@ -958,7 +958,7 @@ static unsigned short x86_keycodes[256] = extern int mac_hid_mouse_emulate_buttons(int, int, int); #endif /* CONFIG_MAC_EMUMOUSEBTN */ -#if defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64) +#ifdef CONFIG_SPARC static int sparc_l1_a_state = 0; extern void sun_do_break(void); #endif @@ -1045,7 +1045,7 @@ static void kbd_keycode(unsigned int keycode, int down, if (keycode == KEY_LEFTALT || keycode == KEY_RIGHTALT) sysrq_alt = down; -#if defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64) +#ifdef CONFIG_SPARC if (keycode == KEY_STOP) sparc_l1_a_state = down; #endif @@ -1072,7 +1072,7 @@ static void kbd_keycode(unsigned int keycode, int down, return; } #endif -#if defined(CONFIG_SPARC32) || defined(CONFIG_SPARC64) +#ifdef CONFIG_SPARC if (keycode == KEY_A && sparc_l1_a_state) { sparc_l1_a_state = 0; sun_do_break(); diff --git a/drivers/char/mwave/mwavepub.h b/drivers/char/mwave/mwavepub.h index f1f9da7..60c961ae 100644 --- a/drivers/char/mwave/mwavepub.h +++ b/drivers/char/mwave/mwavepub.h @@ -69,7 +69,7 @@ typedef struct _MW_ABILITIES { typedef struct _MW_READWRITE { unsigned short usDspAddress; /* The dsp address */ unsigned long ulDataLength; /* The size in bytes of the data or user buffer */ - void *pBuf; /* Input:variable sized buffer */ + void __user *pBuf; /* Input:variable sized buffer */ } MW_READWRITE, *pMW_READWRITE; #define IOCTL_MW_RESET _IO(MWAVE_MINOR,1) diff --git a/drivers/char/pcmcia/Kconfig b/drivers/char/pcmcia/Kconfig index d22bfdc..27c1179 100644 --- a/drivers/char/pcmcia/Kconfig +++ b/drivers/char/pcmcia/Kconfig @@ -18,5 +18,29 @@ config SYNCLINK_CS The module will be called synclinkmp. If you want to do that, say M here. +config CARDMAN_4000 + tristate "Omnikey Cardman 4000 support" + depends on PCMCIA + help + Enable support for the Omnikey Cardman 4000 PCMCIA Smartcard + reader. + + This kernel driver requires additional userspace support, either + by the vendor-provided PC/SC ifd_handler (http://www.omnikey.com/), + or via the cm4000 backend of OpenCT (http://www.opensc.com/). + +config CARDMAN_4040 + tristate "Omnikey CardMan 4040 support" + depends on PCMCIA + help + Enable support for the Omnikey CardMan 4040 PCMCIA Smartcard + reader. + + This card is basically a USB CCID device connected to a FIFO + in I/O space. To use the kernel driver, you will need either the + PC/SC ifdhandler provided from the Omnikey homepage + (http://www.omnikey.com/), or a current development version of OpenCT + (http://www.opensc.org/). + endmenu diff --git a/drivers/char/pcmcia/Makefile b/drivers/char/pcmcia/Makefile index 1fcd4c5..0aae209 100644 --- a/drivers/char/pcmcia/Makefile +++ b/drivers/char/pcmcia/Makefile @@ -5,3 +5,5 @@ # obj-$(CONFIG_SYNCLINK_CS) += synclink_cs.o +obj-$(CONFIG_CARDMAN_4000) += cm4000_cs.o +obj-$(CONFIG_CARDMAN_4040) += cm4040_cs.o diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c new file mode 100644 index 0000000..61681c9 --- /dev/null +++ b/drivers/char/pcmcia/cm4000_cs.c @@ -0,0 +1,2079 @@ + /* + * A driver for the PCMCIA Smartcard Reader "Omnikey CardMan Mobile 4000" + * + * cm4000_cs.c support.linux@omnikey.com + * + * Tue Oct 23 11:32:43 GMT 2001 herp - cleaned up header files + * Sun Jan 20 10:11:15 MET 2002 herp - added modversion header files + * Thu Nov 14 16:34:11 GMT 2002 mh - added PPS functionality + * Tue Nov 19 16:36:27 GMT 2002 mh - added SUSPEND/RESUME functionailty + * Wed Jul 28 12:55:01 CEST 2004 mh - kernel 2.6 adjustments + * + * current version: 2.4.0gm4 + * + * (C) 2000,2001,2002,2003,2004 Omnikey AG + * + * (C) 2005 Harald Welte <laforge@gnumonks.org> + * - Adhere to Kernel CodingStyle + * - Port to 2.6.13 "new" style PCMCIA + * - Check for copy_{from,to}_user return values + * - Use nonseekable_open() + * + * All rights reserved. Licensed under dual BSD/GPL license. + */ + +/* #define PCMCIA_DEBUG 6 */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <linux/delay.h> +#include <asm/uaccess.h> +#include <asm/io.h> + +#include <pcmcia/cs_types.h> +#include <pcmcia/cs.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/cisreg.h> +#include <pcmcia/ciscode.h> +#include <pcmcia/ds.h> + +#include <linux/cm4000_cs.h> + +/* #define ATR_CSUM */ + +#ifdef PCMCIA_DEBUG +#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) +static int pc_debug = PCMCIA_DEBUG; +module_param(pc_debug, int, 0600); +#define DEBUGP(n, rdr, x, args...) do { \ + if (pc_debug >= (n)) \ + dev_printk(KERN_DEBUG, reader_to_dev(rdr), "%s:" x, \ + __FUNCTION__ , ## args); \ + } while (0) +#else +#define DEBUGP(n, rdr, x, args...) +#endif +static char *version = "cm4000_cs.c v2.4.0gm5 - All bugs added by Harald Welte"; + +#define T_1SEC (HZ) +#define T_10MSEC msecs_to_jiffies(10) +#define T_20MSEC msecs_to_jiffies(20) +#define T_40MSEC msecs_to_jiffies(40) +#define T_50MSEC msecs_to_jiffies(50) +#define T_100MSEC msecs_to_jiffies(100) +#define T_500MSEC msecs_to_jiffies(500) + +static void cm4000_detach(dev_link_t *link); +static void cm4000_release(dev_link_t *link); + +static int major; /* major number we get from the kernel */ + +/* note: the first state has to have number 0 always */ + +#define M_FETCH_ATR 0 +#define M_TIMEOUT_WAIT 1 +#define M_READ_ATR_LEN 2 +#define M_READ_ATR 3 +#define M_ATR_PRESENT 4 +#define M_BAD_CARD 5 +#define M_CARDOFF 6 + +#define LOCK_IO 0 +#define LOCK_MONITOR 1 + +#define IS_AUTOPPS_ACT 6 +#define IS_PROCBYTE_PRESENT 7 +#define IS_INVREV 8 +#define IS_ANY_T0 9 +#define IS_ANY_T1 10 +#define IS_ATR_PRESENT 11 +#define IS_ATR_VALID 12 +#define IS_CMM_ABSENT 13 +#define IS_BAD_LENGTH 14 +#define IS_BAD_CSUM 15 +#define IS_BAD_CARD 16 + +#define REG_FLAGS0(x) (x + 0) +#define REG_FLAGS1(x) (x + 1) +#define REG_NUM_BYTES(x) (x + 2) +#define REG_BUF_ADDR(x) (x + 3) +#define REG_BUF_DATA(x) (x + 4) +#define REG_NUM_SEND(x) (x + 5) +#define REG_BAUDRATE(x) (x + 6) +#define REG_STOPBITS(x) (x + 7) + +struct cm4000_dev { + dev_link_t link; /* pcmcia link */ + dev_node_t node; /* OS node (major,minor) */ + + unsigned char atr[MAX_ATR]; + unsigned char rbuf[512]; + unsigned char sbuf[512]; + + wait_queue_head_t devq; /* when removing cardman must not be + zeroed! */ + + wait_queue_head_t ioq; /* if IO is locked, wait on this Q */ + wait_queue_head_t atrq; /* wait for ATR valid */ + wait_queue_head_t readq; /* used by write to wake blk.read */ + + /* warning: do not move this fields. + * initialising to zero depends on it - see ZERO_DEV below. */ + unsigned char atr_csum; + unsigned char atr_len_retry; + unsigned short atr_len; + unsigned short rlen; /* bytes avail. after write */ + unsigned short rpos; /* latest read pos. write zeroes */ + unsigned char procbyte; /* T=0 procedure byte */ + unsigned char mstate; /* state of card monitor */ + unsigned char cwarn; /* slow down warning */ + unsigned char flags0; /* cardman IO-flags 0 */ + unsigned char flags1; /* cardman IO-flags 1 */ + unsigned int mdelay; /* variable monitor speeds, in jiffies */ + + unsigned int baudv; /* baud value for speed */ + unsigned char ta1; + unsigned char proto; /* T=0, T=1, ... */ + unsigned long flags; /* lock+flags (MONITOR,IO,ATR) * for concurrent + access */ + + unsigned char pts[4]; + + struct timer_list timer; /* used to keep monitor running */ + int monitor_running; +}; + +#define ZERO_DEV(dev) \ + memset(&dev->atr_csum,0, \ + sizeof(struct cm4000_dev) - \ + /*link*/ sizeof(dev_link_t) - \ + /*node*/ sizeof(dev_node_t) - \ + /*atr*/ MAX_ATR*sizeof(char) - \ + /*rbuf*/ 512*sizeof(char) - \ + /*sbuf*/ 512*sizeof(char) - \ + /*queue*/ 4*sizeof(wait_queue_head_t)) + +static dev_info_t dev_info = MODULE_NAME; +static dev_link_t *dev_table[CM4000_MAX_DEV]; + +/* This table doesn't use spaces after the comma between fields and thus + * violates CodingStyle. However, I don't really think wrapping it around will + * make it any clearer to read -HW */ +static unsigned char fi_di_table[10][14] = { +/*FI 00 01 02 03 04 05 06 07 08 09 10 11 12 13 */ +/*DI */ +/* 0 */ {0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11}, +/* 1 */ {0x01,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x91,0x11,0x11,0x11,0x11}, +/* 2 */ {0x02,0x12,0x22,0x32,0x11,0x11,0x11,0x11,0x11,0x92,0xA2,0xB2,0x11,0x11}, +/* 3 */ {0x03,0x13,0x23,0x33,0x43,0x53,0x63,0x11,0x11,0x93,0xA3,0xB3,0xC3,0xD3}, +/* 4 */ {0x04,0x14,0x24,0x34,0x44,0x54,0x64,0x11,0x11,0x94,0xA4,0xB4,0xC4,0xD4}, +/* 5 */ {0x00,0x15,0x25,0x35,0x45,0x55,0x65,0x11,0x11,0x95,0xA5,0xB5,0xC5,0xD5}, +/* 6 */ {0x06,0x16,0x26,0x36,0x46,0x56,0x66,0x11,0x11,0x96,0xA6,0xB6,0xC6,0xD6}, +/* 7 */ {0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11,0x11}, +/* 8 */ {0x08,0x11,0x28,0x38,0x48,0x58,0x68,0x11,0x11,0x98,0xA8,0xB8,0xC8,0xD8}, +/* 9 */ {0x09,0x19,0x29,0x39,0x49,0x59,0x69,0x11,0x11,0x99,0xA9,0xB9,0xC9,0xD9} +}; + +#ifndef PCMCIA_DEBUG +#define xoutb outb +#define xinb inb +#else +static inline void xoutb(unsigned char val, unsigned short port) +{ + if (pc_debug >= 7) + printk(KERN_DEBUG "outb(val=%.2x,port=%.4x)\n", val, port); + outb(val, port); +} +static inline unsigned char xinb(unsigned short port) +{ + unsigned char val; + + val = inb(port); + if (pc_debug >= 7) + printk(KERN_DEBUG "%.2x=inb(%.4x)\n", val, port); + + return val; +} +#endif + +#define b_0000 15 +#define b_0001 14 +#define b_0010 13 +#define b_0011 12 +#define b_0100 11 +#define b_0101 10 +#define b_0110 9 +#define b_0111 8 +#define b_1000 7 +#define b_1001 6 +#define b_1010 5 +#define b_1011 4 +#define b_1100 3 +#define b_1101 2 +#define b_1110 1 +#define b_1111 0 + +static unsigned char irtab[16] = { + b_0000, b_1000, b_0100, b_1100, + b_0010, b_1010, b_0110, b_1110, + b_0001, b_1001, b_0101, b_1101, + b_0011, b_1011, b_0111, b_1111 +}; + +static void str_invert_revert(unsigned char *b, int len) +{ + int i; + + for (i = 0; i < len; i++) + b[i] = (irtab[b[i] & 0x0f] << 4) | irtab[b[i] >> 4]; +} + +static unsigned char invert_revert(unsigned char ch) +{ + return (irtab[ch & 0x0f] << 4) | irtab[ch >> 4]; +} + +#define ATRLENCK(dev,pos) \ + if (pos>=dev->atr_len || pos>=MAX_ATR) \ + goto return_0; + +static unsigned int calc_baudv(unsigned char fidi) +{ + unsigned int wcrcf, wbrcf, fi_rfu, di_rfu; + + fi_rfu = 372; + di_rfu = 1; + + /* FI */ + switch ((fidi >> 4) & 0x0F) { + case 0x00: + wcrcf = 372; + break; + case 0x01: + wcrcf = 372; + break; + case 0x02: + wcrcf = 558; + break; + case 0x03: + wcrcf = 744; + break; + case 0x04: + wcrcf = 1116; + break; + case 0x05: + wcrcf = 1488; + break; + case 0x06: + wcrcf = 1860; + break; + case 0x07: + wcrcf = fi_rfu; + break; + case 0x08: + wcrcf = fi_rfu; + break; + case 0x09: + wcrcf = 512; + break; + case 0x0A: + wcrcf = 768; + break; + case 0x0B: + wcrcf = 1024; + break; + case 0x0C: + wcrcf = 1536; + break; + case 0x0D: + wcrcf = 2048; + break; + default: + wcrcf = fi_rfu; + break; + } + + /* DI */ + switch (fidi & 0x0F) { + case 0x00: + wbrcf = di_rfu; + break; + case 0x01: + wbrcf = 1; + break; + case 0x02: + wbrcf = 2; + break; + case 0x03: + wbrcf = 4; + break; + case 0x04: + wbrcf = 8; + break; + case 0x05: + wbrcf = 16; + break; + case 0x06: + wbrcf = 32; + break; + case 0x07: + wbrcf = di_rfu; + break; + case 0x08: + wbrcf = 12; + break; + case 0x09: + wbrcf = 20; + break; + default: + wbrcf = di_rfu; + break; + } + + return (wcrcf / wbrcf); +} + +static unsigned short io_read_num_rec_bytes(ioaddr_t iobase, unsigned short *s) +{ + unsigned short tmp; + + tmp = *s = 0; + do { + *s = tmp; + tmp = inb(REG_NUM_BYTES(iobase)) | + (inb(REG_FLAGS0(iobase)) & 4 ? 0x100 : 0); + } while (tmp != *s); + + return *s; +} + +static int parse_atr(struct cm4000_dev *dev) +{ + unsigned char any_t1, any_t0; + unsigned char ch, ifno; + int ix, done; + + DEBUGP(3, dev, "-> parse_atr: dev->atr_len = %i\n", dev->atr_len); + + if (dev->atr_len < 3) { + DEBUGP(5, dev, "parse_atr: atr_len < 3\n"); + return 0; + } + + if (dev->atr[0] == 0x3f) + set_bit(IS_INVREV, &dev->flags); + else + clear_bit(IS_INVREV, &dev->flags); + ix = 1; + ifno = 1; + ch = dev->atr[1]; + dev->proto = 0; /* XXX PROTO */ + any_t1 = any_t0 = done = 0; + dev->ta1 = 0x11; /* defaults to 9600 baud */ + do { + if (ifno == 1 && (ch & 0x10)) { + /* read first interface byte and TA1 is present */ + dev->ta1 = dev->atr[2]; + DEBUGP(5, dev, "Card says FiDi is 0x%.2x\n", dev->ta1); + ifno++; + } else if ((ifno == 2) && (ch & 0x10)) { /* TA(2) */ + dev->ta1 = 0x11; + ifno++; + } + + DEBUGP(5, dev, "Yi=%.2x\n", ch & 0xf0); + ix += ((ch & 0x10) >> 4) /* no of int.face chars */ + +((ch & 0x20) >> 5) + + ((ch & 0x40) >> 6) + + ((ch & 0x80) >> 7); + /* ATRLENCK(dev,ix); */ + if (ch & 0x80) { /* TDi */ + ch = dev->atr[ix]; + if ((ch & 0x0f)) { + any_t1 = 1; + DEBUGP(5, dev, "card is capable of T=1\n"); + } else { + any_t0 = 1; + DEBUGP(5, dev, "card is capable of T=0\n"); + } + } else + done = 1; + } while (!done); + + DEBUGP(5, dev, "ix=%d noHist=%d any_t1=%d\n", + ix, dev->atr[1] & 15, any_t1); + if (ix + 1 + (dev->atr[1] & 0x0f) + any_t1 != dev->atr_len) { + DEBUGP(5, dev, "length error\n"); + return 0; + } + if (any_t0) + set_bit(IS_ANY_T0, &dev->flags); + + if (any_t1) { /* compute csum */ + dev->atr_csum = 0; +#ifdef ATR_CSUM + for (i = 1; i < dev->atr_len; i++) + dev->atr_csum ^= dev->atr[i]; + if (dev->atr_csum) { + set_bit(IS_BAD_CSUM, &dev->flags); + DEBUGP(5, dev, "bad checksum\n"); + goto return_0; + } +#endif + if (any_t0 == 0) + dev->proto = 1; /* XXX PROTO */ + set_bit(IS_ANY_T1, &dev->flags); + } + + return 1; +} + +struct card_fixup { + char atr[12]; + u_int8_t atr_len; + u_int8_t stopbits; +}; + +static struct card_fixup card_fixups[] = { + { /* ACOS */ + .atr = { 0x3b, 0xb3, 0x11, 0x00, 0x00, 0x41, 0x01 }, + .atr_len = 7, + .stopbits = 0x03, + }, + { /* Motorola */ + .atr = {0x3b, 0x76, 0x13, 0x00, 0x00, 0x80, 0x62, 0x07, + 0x41, 0x81, 0x81 }, + .atr_len = 11, + .stopbits = 0x04, + }, +}; + +static void set_cardparameter(struct cm4000_dev *dev) +{ + int i; + ioaddr_t iobase = dev->link.io.BasePort1; + u_int8_t stopbits = 0x02; /* ISO default */ + + DEBUGP(3, dev, "-> set_cardparameter\n"); + + dev->flags1 = dev->flags1 | (((dev->baudv - 1) & 0x0100) >> 8); + xoutb(dev->flags1, REG_FLAGS1(iobase)); + DEBUGP(5, dev, "flags1 = 0x%02x\n", dev->flags1); + + /* set baudrate */ + xoutb((unsigned char)((dev->baudv - 1) & 0xFF), REG_BAUDRATE(iobase)); + + DEBUGP(5, dev, "baudv = %i -> write 0x%02x\n", dev->baudv, + ((dev->baudv - 1) & 0xFF)); + + /* set stopbits */ + for (i = 0; i < ARRAY_SIZE(card_fixups); i++) { + if (!memcmp(dev->atr, card_fixups[i].atr, + card_fixups[i].atr_len)) + stopbits = card_fixups[i].stopbits; + } + xoutb(stopbits, REG_STOPBITS(iobase)); + + DEBUGP(3, dev, "<- set_cardparameter\n"); +} + +static int set_protocol(struct cm4000_dev *dev, struct ptsreq *ptsreq) +{ + + unsigned long tmp, i; + unsigned short num_bytes_read; + unsigned char pts_reply[4]; + ssize_t rc; + ioaddr_t iobase = dev->link.io.BasePort1; + + rc = 0; + + DEBUGP(3, dev, "-> set_protocol\n"); + DEBUGP(5, dev, "ptsreq->Protocol = 0x%.8x, ptsreq->Flags=0x%.8x, " + "ptsreq->pts1=0x%.2x, ptsreq->pts2=0x%.2x, " + "ptsreq->pts3=0x%.2x\n", (unsigned int)ptsreq->protocol, + (unsigned int)ptsreq->flags, ptsreq->pts1, ptsreq->pts2, + ptsreq->pts3); + + /* Fill PTS structure */ + dev->pts[0] = 0xff; + dev->pts[1] = 0x00; + tmp = ptsreq->protocol; + while ((tmp = (tmp >> 1)) > 0) + dev->pts[1]++; + dev->proto = dev->pts[1]; /* Set new protocol */ + dev->pts[1] = (0x01 << 4) | (dev->pts[1]); + + /* Correct Fi/Di according to CM4000 Fi/Di table */ + DEBUGP(5, dev, "Ta(1) from ATR is 0x%.2x\n", dev->ta1); + /* set Fi/Di according to ATR TA(1) */ + dev->pts[2] = fi_di_table[dev->ta1 & 0x0F][(dev->ta1 >> 4) & 0x0F]; + + /* Calculate PCK character */ + dev->pts[3] = dev->pts[0] ^ dev->pts[1] ^ dev->pts[2]; + + DEBUGP(5, dev, "pts0=%.2x, pts1=%.2x, pts2=%.2x, pts3=%.2x\n", + dev->pts[0], dev->pts[1], dev->pts[2], dev->pts[3]); + + /* check card convention */ + if (test_bit(IS_INVREV, &dev->flags)) + str_invert_revert(dev->pts, 4); + + /* reset SM */ + xoutb(0x80, REG_FLAGS0(iobase)); + + /* Enable access to the message buffer */ + DEBUGP(5, dev, "Enable access to the messages buffer\n"); + dev->flags1 = 0x20 /* T_Active */ + | (test_bit(IS_INVREV, &dev->flags) ? 0x02 : 0x00) /* inv parity */ + | ((dev->baudv >> 8) & 0x01); /* MSB-baud */ + xoutb(dev->flags1, REG_FLAGS1(iobase)); + + DEBUGP(5, dev, "Enable message buffer -> flags1 = 0x%.2x\n", + dev->flags1); + + /* write challenge to the buffer */ + DEBUGP(5, dev, "Write challenge to buffer: "); + for (i = 0; i < 4; i++) { + xoutb(i, REG_BUF_ADDR(iobase)); + xoutb(dev->pts[i], REG_BUF_DATA(iobase)); /* buf data */ +#ifdef PCMCIA_DEBUG + if (pc_debug >= 5) + printk("0x%.2x ", dev->pts[i]); + } + if (pc_debug >= 5) + printk("\n"); +#else + } +#endif + + /* set number of bytes to write */ + DEBUGP(5, dev, "Set number of bytes to write\n"); + xoutb(0x04, REG_NUM_SEND(iobase)); + + /* Trigger CARDMAN CONTROLLER */ + xoutb(0x50, REG_FLAGS0(iobase)); + + /* Monitor progress */ + /* wait for xmit done */ + DEBUGP(5, dev, "Waiting for NumRecBytes getting valid\n"); + + for (i = 0; i < 100; i++) { + if (inb(REG_FLAGS0(iobase)) & 0x08) { + DEBUGP(5, dev, "NumRecBytes is valid\n"); + break; + } + mdelay(10); + } + if (i == 100) { + DEBUGP(5, dev, "Timeout waiting for NumRecBytes getting " + "valid\n"); + rc = -EIO; + goto exit_setprotocol; + } + + DEBUGP(5, dev, "Reading NumRecBytes\n"); + for (i = 0; i < 100; i++) { + io_read_num_rec_bytes(iobase, &num_bytes_read); + if (num_bytes_read >= 4) { + DEBUGP(2, dev, "NumRecBytes = %i\n", num_bytes_read); + break; + } + mdelay(10); + } + + /* check whether it is a short PTS reply? */ + if (num_bytes_read == 3) + i = 0; + + if (i == 100) { + DEBUGP(5, dev, "Timeout reading num_bytes_read\n"); + rc = -EIO; + goto exit_setprotocol; + } + + DEBUGP(5, dev, "Reset the CARDMAN CONTROLLER\n"); + xoutb(0x80, REG_FLAGS0(iobase)); + + /* Read PPS reply */ + DEBUGP(5, dev, "Read PPS reply\n"); + for (i = 0; i < num_bytes_read; i++) { + xoutb(i, REG_BUF_ADDR(iobase)); + pts_reply[i] = inb(REG_BUF_DATA(iobase)); + } + +#ifdef PCMCIA_DEBUG + DEBUGP(2, dev, "PTSreply: "); + for (i = 0; i < num_bytes_read; i++) { + if (pc_debug >= 5) + printk("0x%.2x ", pts_reply[i]); + } + printk("\n"); +#endif /* PCMCIA_DEBUG */ + + DEBUGP(5, dev, "Clear Tactive in Flags1\n"); + xoutb(0x20, REG_FLAGS1(iobase)); + + /* Compare ptsreq and ptsreply */ + if ((dev->pts[0] == pts_reply[0]) && + (dev->pts[1] == pts_reply[1]) && + (dev->pts[2] == pts_reply[2]) && (dev->pts[3] == pts_reply[3])) { + /* setcardparameter according to PPS */ + dev->baudv = calc_baudv(dev->pts[2]); + set_cardparameter(dev); + } else if ((dev->pts[0] == pts_reply[0]) && + ((dev->pts[1] & 0xef) == pts_reply[1]) && + ((pts_reply[0] ^ pts_reply[1]) == pts_reply[2])) { + /* short PTS reply, set card parameter to default values */ + dev->baudv = calc_baudv(0x11); + set_cardparameter(dev); + } else + rc = -EIO; + +exit_setprotocol: + DEBUGP(3, dev, "<- set_protocol\n"); + return rc; +} + +static int io_detect_cm4000(ioaddr_t iobase, struct cm4000_dev *dev) +{ + + /* note: statemachine is assumed to be reset */ + if (inb(REG_FLAGS0(iobase)) & 8) { + clear_bit(IS_ATR_VALID, &dev->flags); + set_bit(IS_CMM_ABSENT, &dev->flags); + return 0; /* detect CMM = 1 -> failure */ + } + /* xoutb(0x40, REG_FLAGS1(iobase)); detectCMM */ + xoutb(dev->flags1 | 0x40, REG_FLAGS1(iobase)); + if ((inb(REG_FLAGS0(iobase)) & 8) == 0) { + clear_bit(IS_ATR_VALID, &dev->flags); + set_bit(IS_CMM_ABSENT, &dev->flags); + return 0; /* detect CMM=0 -> failure */ + } + /* clear detectCMM again by restoring original flags1 */ + xoutb(dev->flags1, REG_FLAGS1(iobase)); + return 1; +} + +static void terminate_monitor(struct cm4000_dev *dev) +{ + + /* tell the monitor to stop and wait until + * it terminates. + */ + DEBUGP(3, dev, "-> terminate_monitor\n"); + wait_event_interruptible(dev->devq, + test_and_set_bit(LOCK_MONITOR, + (void *)&dev->flags)); + + /* now, LOCK_MONITOR has been set. + * allow a last cycle in the monitor. + * the monitor will indicate that it has + * finished by clearing this bit. + */ + DEBUGP(5, dev, "Now allow last cycle of monitor!\n"); + while (test_bit(LOCK_MONITOR, (void *)&dev->flags)) + msleep(25); + + DEBUGP(5, dev, "Delete timer\n"); + del_timer_sync(&dev->timer); +#ifdef PCMCIA_DEBUG + dev->monitor_running = 0; +#endif + + DEBUGP(3, dev, "<- terminate_monitor\n"); +} + +/* + * monitor the card every 50msec. as a side-effect, retrieve the + * atr once a card is inserted. another side-effect of retrieving the + * atr is that the card will be powered on, so there is no need to + * power on the card explictely from the application: the driver + * is already doing that for you. + */ + +static void monitor_card(unsigned long p) +{ + struct cm4000_dev *dev = (struct cm4000_dev *) p; + ioaddr_t iobase = dev->link.io.BasePort1; + unsigned short s; + struct ptsreq ptsreq; + int i, atrc; + + DEBUGP(7, dev, "-> monitor_card\n"); + + /* if someone has set the lock for us: we're done! */ + if (test_and_set_bit(LOCK_MONITOR, &dev->flags)) { + DEBUGP(4, dev, "About to stop monitor\n"); + /* no */ + dev->rlen = + dev->rpos = + dev->atr_csum = dev->atr_len_retry = dev->cwarn = 0; + dev->mstate = M_FETCH_ATR; + clear_bit(LOCK_MONITOR, &dev->flags); + /* close et al. are sleeping on devq, so wake it */ + wake_up_interruptible(&dev->devq); + DEBUGP(2, dev, "<- monitor_card (we are done now)\n"); + return; + } + + /* try to lock io: if it is already locked, just add another timer */ + if (test_and_set_bit(LOCK_IO, (void *)&dev->flags)) { + DEBUGP(4, dev, "Couldn't get IO lock\n"); + goto return_with_timer; + } + + /* is a card/a reader inserted at all ? */ + dev->flags0 = xinb(REG_FLAGS0(iobase)); + DEBUGP(7, dev, "dev->flags0 = 0x%2x\n", dev->flags0); + DEBUGP(7, dev, "smartcard present: %s\n", + dev->flags0 & 1 ? "yes" : "no"); + DEBUGP(7, dev, "cardman present: %s\n", + dev->flags0 == 0xff ? "no" : "yes"); + + if ((dev->flags0 & 1) == 0 /* no smartcard inserted */ + || dev->flags0 == 0xff) { /* no cardman inserted */ + /* no */ + dev->rlen = + dev->rpos = + dev->atr_csum = dev->atr_len_retry = dev->cwarn = 0; + dev->mstate = M_FETCH_ATR; + + dev->flags &= 0x000000ff; /* only keep IO and MONITOR locks */ + + if (dev->flags0 == 0xff) { + DEBUGP(4, dev, "set IS_CMM_ABSENT bit\n"); + set_bit(IS_CMM_ABSENT, &dev->flags); + } else if (test_bit(IS_CMM_ABSENT, &dev->flags)) { + DEBUGP(4, dev, "clear IS_CMM_ABSENT bit " + "(card is removed)\n"); + clear_bit(IS_CMM_ABSENT, &dev->flags); + } + + goto release_io; + } else if ((dev->flags0 & 1) && test_bit(IS_CMM_ABSENT, &dev->flags)) { + /* cardman and card present but cardman was absent before + * (after suspend with inserted card) */ + DEBUGP(4, dev, "clear IS_CMM_ABSENT bit (card is inserted)\n"); + clear_bit(IS_CMM_ABSENT, &dev->flags); + } + + if (test_bit(IS_ATR_VALID, &dev->flags) == 1) { + DEBUGP(7, dev, "believe ATR is already valid (do nothing)\n"); + goto release_io; + } + + switch (dev->mstate) { + unsigned char flags0; + case M_CARDOFF: + DEBUGP(4, dev, "M_CARDOFF\n"); + flags0 = inb(REG_FLAGS0(iobase)); + if (flags0 & 0x02) { + /* wait until Flags0 indicate power is off */ + dev->mdelay = T_10MSEC; + } else { + /* Flags0 indicate power off and no card inserted now; + * Reset CARDMAN CONTROLLER */ + xoutb(0x80, REG_FLAGS0(iobase)); + + /* prepare for fetching ATR again: after card off ATR + * is read again automatically */ + dev->rlen = + dev->rpos = + dev->atr_csum = + dev->atr_len_retry = dev->cwarn = 0; + dev->mstate = M_FETCH_ATR; + + /* minimal gap between CARDOFF and read ATR is 50msec */ + dev->mdelay = T_50MSEC; + } + break; + case M_FETCH_ATR: + DEBUGP(4, dev, "M_FETCH_ATR\n"); + xoutb(0x80, REG_FLAGS0(iobase)); + DEBUGP(4, dev, "Reset BAUDV to 9600\n"); + dev->baudv = 0x173; /* 9600 */ + xoutb(0x02, REG_STOPBITS(iobase)); /* stopbits=2 */ + xoutb(0x73, REG_BAUDRATE(iobase)); /* baud value */ + xoutb(0x21, REG_FLAGS1(iobase)); /* T_Active=1, baud + value */ + /* warm start vs. power on: */ + xoutb(dev->flags0 & 2 ? 0x46 : 0x44, REG_FLAGS0(iobase)); + dev->mdelay = T_40MSEC; + dev->mstate = M_TIMEOUT_WAIT; + break; + case M_TIMEOUT_WAIT: + DEBUGP(4, dev, "M_TIMEOUT_WAIT\n"); + /* numRecBytes */ + io_read_num_rec_bytes(iobase, &dev->atr_len); + dev->mdelay = T_10MSEC; + dev->mstate = M_READ_ATR_LEN; + break; + case M_READ_ATR_LEN: + DEBUGP(4, dev, "M_READ_ATR_LEN\n"); + /* infinite loop possible, since there is no timeout */ + +#define MAX_ATR_LEN_RETRY 100 + + if (dev->atr_len == io_read_num_rec_bytes(iobase, &s)) { + if (dev->atr_len_retry++ >= MAX_ATR_LEN_RETRY) { /* + XX msec */ + dev->mdelay = T_10MSEC; + dev->mstate = M_READ_ATR; + } + } else { + dev->atr_len = s; + dev->atr_len_retry = 0; /* set new timeout */ + } + + DEBUGP(4, dev, "Current ATR_LEN = %i\n", dev->atr_len); + break; + case M_READ_ATR: + DEBUGP(4, dev, "M_READ_ATR\n"); + xoutb(0x80, REG_FLAGS0(iobase)); /* reset SM */ + for (i = 0; i < dev->atr_len; i++) { + xoutb(i, REG_BUF_ADDR(iobase)); + dev->atr[i] = inb(REG_BUF_DATA(iobase)); + } + /* Deactivate T_Active flags */ + DEBUGP(4, dev, "Deactivate T_Active flags\n"); + dev->flags1 = 0x01; + xoutb(dev->flags1, REG_FLAGS1(iobase)); + + /* atr is present (which doesnt mean it's valid) */ + set_bit(IS_ATR_PRESENT, &dev->flags); + if (dev->atr[0] == 0x03) + str_invert_revert(dev->atr, dev->atr_len); + atrc = parse_atr(dev); + if (atrc == 0) { /* atr invalid */ + dev->mdelay = 0; + dev->mstate = M_BAD_CARD; + } else { + dev->mdelay = T_50MSEC; + dev->mstate = M_ATR_PRESENT; + set_bit(IS_ATR_VALID, &dev->flags); + } + + if (test_bit(IS_ATR_VALID, &dev->flags) == 1) { + DEBUGP(4, dev, "monitor_card: ATR valid\n"); + /* if ta1 == 0x11, no PPS necessary (default values) */ + /* do not do PPS with multi protocol cards */ + if ((test_bit(IS_AUTOPPS_ACT, &dev->flags) == 0) && + (dev->ta1 != 0x11) && + !(test_bit(IS_ANY_T0, &dev->flags) && + test_bit(IS_ANY_T1, &dev->flags))) { + DEBUGP(4, dev, "Perform AUTOPPS\n"); + set_bit(IS_AUTOPPS_ACT, &dev->flags); + ptsreq.protocol = ptsreq.protocol = + (0x01 << dev->proto); + ptsreq.flags = 0x01; + ptsreq.pts1 = 0x00; + ptsreq.pts2 = 0x00; + ptsreq.pts3 = 0x00; + if (set_protocol(dev, &ptsreq) == 0) { + DEBUGP(4, dev, "AUTOPPS ret SUCC\n"); + clear_bit(IS_AUTOPPS_ACT, &dev->flags); + wake_up_interruptible(&dev->atrq); + } else { + DEBUGP(4, dev, "AUTOPPS failed: " + "repower using defaults\n"); + /* prepare for repowering */ + clear_bit(IS_ATR_PRESENT, &dev->flags); + clear_bit(IS_ATR_VALID, &dev->flags); + dev->rlen = + dev->rpos = + dev->atr_csum = + dev->atr_len_retry = dev->cwarn = 0; + dev->mstate = M_FETCH_ATR; + + dev->mdelay = T_50MSEC; + } + } else { + /* for cards which use slightly different + * params (extra guard time) */ + set_cardparameter(dev); + if (test_bit(IS_AUTOPPS_ACT, &dev->flags) == 1) + DEBUGP(4, dev, "AUTOPPS already active " + "2nd try:use default values\n"); + if (dev->ta1 == 0x11) + DEBUGP(4, dev, "No AUTOPPS necessary " + "TA(1)==0x11\n"); + if (test_bit(IS_ANY_T0, &dev->flags) + && test_bit(IS_ANY_T1, &dev->flags)) + DEBUGP(4, dev, "Do NOT perform AUTOPPS " + "with multiprotocol cards\n"); + clear_bit(IS_AUTOPPS_ACT, &dev->flags); + wake_up_interruptible(&dev->atrq); + } + } else { + DEBUGP(4, dev, "ATR invalid\n"); + wake_up_interruptible(&dev->atrq); + } + break; + case M_BAD_CARD: + DEBUGP(4, dev, "M_BAD_CARD\n"); + /* slow down warning, but prompt immediately after insertion */ + if (dev->cwarn == 0 || dev->cwarn == 10) { + set_bit(IS_BAD_CARD, &dev->flags); + printk(KERN_WARNING MODULE_NAME ": device %s: ", + dev->node.dev_name); + if (test_bit(IS_BAD_CSUM, &dev->flags)) { + DEBUGP(4, dev, "ATR checksum (0x%.2x, should " + "be zero) failed\n", dev->atr_csum); + } +#ifdef PCMCIA_DEBUG + else if (test_bit(IS_BAD_LENGTH, &dev->flags)) { + DEBUGP(4, dev, "ATR length error\n"); + } else { + DEBUGP(4, dev, "card damaged or wrong way " + "inserted\n"); + } +#endif + dev->cwarn = 0; + wake_up_interruptible(&dev->atrq); /* wake open */ + } + dev->cwarn++; + dev->mdelay = T_100MSEC; + dev->mstate = M_FETCH_ATR; + break; + default: + DEBUGP(7, dev, "Unknown action\n"); + break; /* nothing */ + } + +release_io: + DEBUGP(7, dev, "release_io\n"); + clear_bit(LOCK_IO, &dev->flags); + wake_up_interruptible(&dev->ioq); /* whoever needs IO */ + +return_with_timer: + DEBUGP(7, dev, "<- monitor_card (returns with timer)\n"); + dev->timer.expires = jiffies + dev->mdelay; + add_timer(&dev->timer); + clear_bit(LOCK_MONITOR, &dev->flags); +} + +/* Interface to userland (file_operations) */ + +static ssize_t cmm_read(struct file *filp, __user char *buf, size_t count, + loff_t *ppos) +{ + struct cm4000_dev *dev = filp->private_data; + ioaddr_t iobase = dev->link.io.BasePort1; + ssize_t rc; + int i, j, k; + + DEBUGP(2, dev, "-> cmm_read(%s,%d)\n", current->comm, current->pid); + + if (count == 0) /* according to manpage */ + return 0; + + if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ + test_bit(IS_CMM_ABSENT, &dev->flags)) + return -ENODEV; + + if (test_bit(IS_BAD_CSUM, &dev->flags)) + return -EIO; + + /* also see the note about this in cmm_write */ + if (wait_event_interruptible + (dev->atrq, + ((filp->f_flags & O_NONBLOCK) + || (test_bit(IS_ATR_PRESENT, (void *)&dev->flags) != 0)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + + if (test_bit(IS_ATR_VALID, &dev->flags) == 0) + return -EIO; + + /* this one implements blocking IO */ + if (wait_event_interruptible + (dev->readq, + ((filp->f_flags & O_NONBLOCK) || (dev->rpos < dev->rlen)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + + /* lock io */ + if (wait_event_interruptible + (dev->ioq, + ((filp->f_flags & O_NONBLOCK) + || (test_and_set_bit(LOCK_IO, (void *)&dev->flags) == 0)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + + rc = 0; + dev->flags0 = inb(REG_FLAGS0(iobase)); + if ((dev->flags0 & 1) == 0 /* no smartcard inserted */ + || dev->flags0 == 0xff) { /* no cardman inserted */ + clear_bit(IS_ATR_VALID, &dev->flags); + if (dev->flags0 & 1) { + set_bit(IS_CMM_ABSENT, &dev->flags); + rc = -ENODEV; + } + rc = -EIO; + goto release_io; + } + + DEBUGP(4, dev, "begin read answer\n"); + j = min(count, (size_t)(dev->rlen - dev->rpos)); + k = dev->rpos; + if (k + j > 255) + j = 256 - k; + DEBUGP(4, dev, "read1 j=%d\n", j); + for (i = 0; i < j; i++) { + xoutb(k++, REG_BUF_ADDR(iobase)); + dev->rbuf[i] = xinb(REG_BUF_DATA(iobase)); + } + j = min(count, (size_t)(dev->rlen - dev->rpos)); + if (k + j > 255) { + DEBUGP(4, dev, "read2 j=%d\n", j); + dev->flags1 |= 0x10; /* MSB buf addr set */ + xoutb(dev->flags1, REG_FLAGS1(iobase)); + for (; i < j; i++) { + xoutb(k++, REG_BUF_ADDR(iobase)); + dev->rbuf[i] = xinb(REG_BUF_DATA(iobase)); + } + } + + if (dev->proto == 0 && count > dev->rlen - dev->rpos) { + DEBUGP(4, dev, "T=0 and count > buffer\n"); + dev->rbuf[i] = dev->rbuf[i - 1]; + dev->rbuf[i - 1] = dev->procbyte; + j++; + } + count = j; + + dev->rpos = dev->rlen + 1; + + /* Clear T1Active */ + DEBUGP(4, dev, "Clear T1Active\n"); + dev->flags1 &= 0xdf; + xoutb(dev->flags1, REG_FLAGS1(iobase)); + + xoutb(0, REG_FLAGS1(iobase)); /* clear detectCMM */ + /* last check before exit */ + if (!io_detect_cm4000(iobase, dev)) + count = -ENODEV; + + if (test_bit(IS_INVREV, &dev->flags) && count > 0) + str_invert_revert(dev->rbuf, count); + + if (copy_to_user(buf, dev->rbuf, count)) + return -EFAULT; + +release_io: + clear_bit(LOCK_IO, &dev->flags); + wake_up_interruptible(&dev->ioq); + + DEBUGP(2, dev, "<- cmm_read returns: rc = %Zi\n", + (rc < 0 ? rc : count)); + return rc < 0 ? rc : count; +} + +static ssize_t cmm_write(struct file *filp, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct cm4000_dev *dev = (struct cm4000_dev *) filp->private_data; + ioaddr_t iobase = dev->link.io.BasePort1; + unsigned short s; + unsigned char tmp; + unsigned char infolen; + unsigned char sendT0; + unsigned short nsend; + unsigned short nr; + ssize_t rc; + int i; + + DEBUGP(2, dev, "-> cmm_write(%s,%d)\n", current->comm, current->pid); + + if (count == 0) /* according to manpage */ + return 0; + + if (dev->proto == 0 && count < 4) { + /* T0 must have at least 4 bytes */ + DEBUGP(4, dev, "T0 short write\n"); + return -EIO; + } + + nr = count & 0x1ff; /* max bytes to write */ + + sendT0 = dev->proto ? 0 : nr > 5 ? 0x08 : 0; + + if ((dev->link.state & DEV_PRESENT) == 0 || /* socket removed */ + test_bit(IS_CMM_ABSENT, &dev->flags)) + return -ENODEV; + + if (test_bit(IS_BAD_CSUM, &dev->flags)) { + DEBUGP(4, dev, "bad csum\n"); + return -EIO; + } + + /* + * wait for atr to become valid. + * note: it is important to lock this code. if we dont, the monitor + * could be run between test_bit and the the call the sleep on the + * atr-queue. if *then* the monitor detects atr valid, it will wake up + * any process on the atr-queue, *but* since we have been interrupted, + * we do not yet sleep on this queue. this would result in a missed + * wake_up and the calling process would sleep forever (until + * interrupted). also, do *not* restore_flags before sleep_on, because + * this could result in the same situation! + */ + if (wait_event_interruptible + (dev->atrq, + ((filp->f_flags & O_NONBLOCK) + || (test_bit(IS_ATR_PRESENT, (void *)&dev->flags) != 0)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + + if (test_bit(IS_ATR_VALID, &dev->flags) == 0) { /* invalid atr */ + DEBUGP(4, dev, "invalid ATR\n"); + return -EIO; + } + + /* lock io */ + if (wait_event_interruptible + (dev->ioq, + ((filp->f_flags & O_NONBLOCK) + || (test_and_set_bit(LOCK_IO, (void *)&dev->flags) == 0)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + + if (copy_from_user(dev->sbuf, buf, ((count > 512) ? 512 : count))) + return -EFAULT; + + rc = 0; + dev->flags0 = inb(REG_FLAGS0(iobase)); + if ((dev->flags0 & 1) == 0 /* no smartcard inserted */ + || dev->flags0 == 0xff) { /* no cardman inserted */ + clear_bit(IS_ATR_VALID, &dev->flags); + if (dev->flags0 & 1) { + set_bit(IS_CMM_ABSENT, &dev->flags); + rc = -ENODEV; + } else { + DEBUGP(4, dev, "IO error\n"); + rc = -EIO; + } + goto release_io; + } + + xoutb(0x80, REG_FLAGS0(iobase)); /* reset SM */ + + if (!io_detect_cm4000(iobase, dev)) { + rc = -ENODEV; + goto release_io; + } + + /* reflect T=0 send/read mode in flags1 */ + dev->flags1 |= (sendT0); + + set_cardparameter(dev); + + /* dummy read, reset flag procedure received */ + tmp = inb(REG_FLAGS1(iobase)); + + dev->flags1 = 0x20 /* T_Active */ + | (sendT0) + | (test_bit(IS_INVREV, &dev->flags) ? 2 : 0)/* inverse parity */ + | (((dev->baudv - 1) & 0x0100) >> 8); /* MSB-Baud */ + DEBUGP(1, dev, "set dev->flags1 = 0x%.2x\n", dev->flags1); + xoutb(dev->flags1, REG_FLAGS1(iobase)); + + /* xmit data */ + DEBUGP(4, dev, "Xmit data\n"); + for (i = 0; i < nr; i++) { + if (i >= 256) { + dev->flags1 = 0x20 /* T_Active */ + | (sendT0) /* SendT0 */ + /* inverse parity: */ + | (test_bit(IS_INVREV, &dev->flags) ? 2 : 0) + | (((dev->baudv - 1) & 0x0100) >> 8) /* MSB-Baud */ + | 0x10; /* set address high */ + DEBUGP(4, dev, "dev->flags = 0x%.2x - set address " + "high\n", dev->flags1); + xoutb(dev->flags1, REG_FLAGS1(iobase)); + } + if (test_bit(IS_INVREV, &dev->flags)) { + DEBUGP(4, dev, "Apply inverse convention for 0x%.2x " + "-> 0x%.2x\n", (unsigned char)dev->sbuf[i], + invert_revert(dev->sbuf[i])); + xoutb(i, REG_BUF_ADDR(iobase)); + xoutb(invert_revert(dev->sbuf[i]), + REG_BUF_DATA(iobase)); + } else { + xoutb(i, REG_BUF_ADDR(iobase)); + xoutb(dev->sbuf[i], REG_BUF_DATA(iobase)); + } + } + DEBUGP(4, dev, "Xmit done\n"); + + if (dev->proto == 0) { + /* T=0 proto: 0 byte reply */ + if (nr == 4) { + DEBUGP(4, dev, "T=0 assumes 0 byte reply\n"); + xoutb(i, REG_BUF_ADDR(iobase)); + if (test_bit(IS_INVREV, &dev->flags)) + xoutb(0xff, REG_BUF_DATA(iobase)); + else + xoutb(0x00, REG_BUF_DATA(iobase)); + } + + /* numSendBytes */ + if (sendT0) + nsend = nr; + else { + if (nr == 4) + nsend = 5; + else { + nsend = 5 + (unsigned char)dev->sbuf[4]; + if (dev->sbuf[4] == 0) + nsend += 0x100; + } + } + } else + nsend = nr; + + /* T0: output procedure byte */ + if (test_bit(IS_INVREV, &dev->flags)) { + DEBUGP(4, dev, "T=0 set Procedure byte (inverse-reverse) " + "0x%.2x\n", invert_revert(dev->sbuf[1])); + xoutb(invert_revert(dev->sbuf[1]), REG_NUM_BYTES(iobase)); + } else { + DEBUGP(4, dev, "T=0 set Procedure byte 0x%.2x\n", dev->sbuf[1]); + xoutb(dev->sbuf[1], REG_NUM_BYTES(iobase)); + } + + DEBUGP(1, dev, "set NumSendBytes = 0x%.2x\n", + (unsigned char)(nsend & 0xff)); + xoutb((unsigned char)(nsend & 0xff), REG_NUM_SEND(iobase)); + + DEBUGP(1, dev, "Trigger CARDMAN CONTROLLER (0x%.2x)\n", + 0x40 /* SM_Active */ + | (dev->flags0 & 2 ? 0 : 4) /* power on if needed */ + |(dev->proto ? 0x10 : 0x08) /* T=1/T=0 */ + |(nsend & 0x100) >> 8 /* MSB numSendBytes */ ); + xoutb(0x40 /* SM_Active */ + | (dev->flags0 & 2 ? 0 : 4) /* power on if needed */ + |(dev->proto ? 0x10 : 0x08) /* T=1/T=0 */ + |(nsend & 0x100) >> 8, /* MSB numSendBytes */ + REG_FLAGS0(iobase)); + + /* wait for xmit done */ + if (dev->proto == 1) { + DEBUGP(4, dev, "Wait for xmit done\n"); + for (i = 0; i < 1000; i++) { + if (inb(REG_FLAGS0(iobase)) & 0x08) + break; + msleep_interruptible(10); + } + if (i == 1000) { + DEBUGP(4, dev, "timeout waiting for xmit done\n"); + rc = -EIO; + goto release_io; + } + } + + /* T=1: wait for infoLen */ + + infolen = 0; + if (dev->proto) { + /* wait until infoLen is valid */ + for (i = 0; i < 6000; i++) { /* max waiting time of 1 min */ + io_read_num_rec_bytes(iobase, &s); + if (s >= 3) { + infolen = inb(REG_FLAGS1(iobase)); + DEBUGP(4, dev, "infolen=%d\n", infolen); + break; + } + msleep_interruptible(10); + } + if (i == 6000) { + DEBUGP(4, dev, "timeout waiting for infoLen\n"); + rc = -EIO; + goto release_io; + } + } else + clear_bit(IS_PROCBYTE_PRESENT, &dev->flags); + + /* numRecBytes | bit9 of numRecytes */ + io_read_num_rec_bytes(iobase, &dev->rlen); + for (i = 0; i < 600; i++) { /* max waiting time of 2 sec */ + if (dev->proto) { + if (dev->rlen >= infolen + 4) + break; + } + msleep_interruptible(10); + /* numRecBytes | bit9 of numRecytes */ + io_read_num_rec_bytes(iobase, &s); + if (s > dev->rlen) { + DEBUGP(1, dev, "NumRecBytes inc (reset timeout)\n"); + i = 0; /* reset timeout */ + dev->rlen = s; + } + /* T=0: we are done when numRecBytes doesn't + * increment any more and NoProcedureByte + * is set and numRecBytes == bytes sent + 6 + * (header bytes + data + 1 for sw2) + * except when the card replies an error + * which means, no data will be sent back. + */ + else if (dev->proto == 0) { + if ((inb(REG_BUF_ADDR(iobase)) & 0x80)) { + /* no procedure byte received since last read */ + DEBUGP(1, dev, "NoProcedure byte set\n"); + /* i=0; */ + } else { + /* procedure byte received since last read */ + DEBUGP(1, dev, "NoProcedure byte unset " + "(reset timeout)\n"); + dev->procbyte = inb(REG_FLAGS1(iobase)); + DEBUGP(1, dev, "Read procedure byte 0x%.2x\n", + dev->procbyte); + i = 0; /* resettimeout */ + } + if (inb(REG_FLAGS0(iobase)) & 0x08) { + DEBUGP(1, dev, "T0Done flag (read reply)\n"); + break; + } + } + if (dev->proto) + infolen = inb(REG_FLAGS1(iobase)); + } + if (i == 600) { + DEBUGP(1, dev, "timeout waiting for numRecBytes\n"); + rc = -EIO; + goto release_io; + } else { + if (dev->proto == 0) { + DEBUGP(1, dev, "Wait for T0Done bit to be set\n"); + for (i = 0; i < 1000; i++) { + if (inb(REG_FLAGS0(iobase)) & 0x08) + break; + msleep_interruptible(10); + } + if (i == 1000) { + DEBUGP(1, dev, "timeout waiting for T0Done\n"); + rc = -EIO; + goto release_io; + } + + dev->procbyte = inb(REG_FLAGS1(iobase)); + DEBUGP(4, dev, "Read procedure byte 0x%.2x\n", + dev->procbyte); + + io_read_num_rec_bytes(iobase, &dev->rlen); + DEBUGP(4, dev, "Read NumRecBytes = %i\n", dev->rlen); + + } + } + /* T=1: read offset=zero, T=0: read offset=after challenge */ + dev->rpos = dev->proto ? 0 : nr == 4 ? 5 : nr > dev->rlen ? 5 : nr; + DEBUGP(4, dev, "dev->rlen = %i, dev->rpos = %i, nr = %i\n", + dev->rlen, dev->rpos, nr); + +release_io: + DEBUGP(4, dev, "Reset SM\n"); + xoutb(0x80, REG_FLAGS0(iobase)); /* reset SM */ + + if (rc < 0) { + DEBUGP(4, dev, "Write failed but clear T_Active\n"); + dev->flags1 &= 0xdf; + xoutb(dev->flags1, REG_FLAGS1(iobase)); + } + + clear_bit(LOCK_IO, &dev->flags); + wake_up_interruptible(&dev->ioq); + wake_up_interruptible(&dev->readq); /* tell read we have data */ + + /* ITSEC E2: clear write buffer */ + memset((char *)dev->sbuf, 0, 512); + + /* return error or actually written bytes */ + DEBUGP(2, dev, "<- cmm_write\n"); + return rc < 0 ? rc : nr; +} + +static void start_monitor(struct cm4000_dev *dev) +{ + DEBUGP(3, dev, "-> start_monitor\n"); + if (!dev->monitor_running) { + DEBUGP(5, dev, "create, init and add timer\n"); + init_timer(&dev->timer); + dev->monitor_running = 1; + dev->timer.expires = jiffies; + dev->timer.data = (unsigned long) dev; + dev->timer.function = monitor_card; + add_timer(&dev->timer); + } else + DEBUGP(5, dev, "monitor already running\n"); + DEBUGP(3, dev, "<- start_monitor\n"); +} + +static void stop_monitor(struct cm4000_dev *dev) +{ + DEBUGP(3, dev, "-> stop_monitor\n"); + if (dev->monitor_running) { + DEBUGP(5, dev, "stopping monitor\n"); + terminate_monitor(dev); + /* reset monitor SM */ + clear_bit(IS_ATR_VALID, &dev->flags); + clear_bit(IS_ATR_PRESENT, &dev->flags); + } else + DEBUGP(5, dev, "monitor already stopped\n"); + DEBUGP(3, dev, "<- stop_monitor\n"); +} + +static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd, + unsigned long arg) +{ + struct cm4000_dev *dev = filp->private_data; + ioaddr_t iobase = dev->link.io.BasePort1; + dev_link_t *link; + int size; + int rc; + void __user *argp = (void __user *)arg; +#ifdef PCMCIA_DEBUG + char *ioctl_names[CM_IOC_MAXNR + 1] = { + [_IOC_NR(CM_IOCGSTATUS)] "CM_IOCGSTATUS", + [_IOC_NR(CM_IOCGATR)] "CM_IOCGATR", + [_IOC_NR(CM_IOCARDOFF)] "CM_IOCARDOFF", + [_IOC_NR(CM_IOCSPTS)] "CM_IOCSPTS", + [_IOC_NR(CM_IOSDBGLVL)] "CM4000_DBGLVL", + }; +#endif + DEBUGP(3, dev, "cmm_ioctl(device=%d.%d) %s\n", imajor(inode), + iminor(inode), ioctl_names[_IOC_NR(cmd)]); + + link = dev_table[iminor(inode)]; + if (!(DEV_OK(link))) { + DEBUGP(4, dev, "DEV_OK false\n"); + return -ENODEV; + } + + if (test_bit(IS_CMM_ABSENT, &dev->flags)) { + DEBUGP(4, dev, "CMM_ABSENT flag set\n"); + return -ENODEV; + } + + if (_IOC_TYPE(cmd) != CM_IOC_MAGIC) { + DEBUGP(4, dev, "ioctype mismatch\n"); + return -EINVAL; + } + if (_IOC_NR(cmd) > CM_IOC_MAXNR) { + DEBUGP(4, dev, "iocnr mismatch\n"); + return -EINVAL; + } + size = _IOC_SIZE(cmd); + rc = 0; + DEBUGP(4, dev, "iocdir=%.4x iocr=%.4x iocw=%.4x iocsize=%d cmd=%.4x\n", + _IOC_DIR(cmd), _IOC_READ, _IOC_WRITE, size, cmd); + + if (_IOC_DIR(cmd) & _IOC_READ) { + if (!access_ok(VERIFY_WRITE, argp, size)) + return -EFAULT; + } + if (_IOC_DIR(cmd) & _IOC_WRITE) { + if (!access_ok(VERIFY_READ, argp, size)) + return -EFAULT; + } + + switch (cmd) { + case CM_IOCGSTATUS: + DEBUGP(4, dev, " ... in CM_IOCGSTATUS\n"); + { + int status; + + /* clear other bits, but leave inserted & powered as + * they are */ + status = dev->flags0 & 3; + if (test_bit(IS_ATR_PRESENT, &dev->flags)) + status |= CM_ATR_PRESENT; + if (test_bit(IS_ATR_VALID, &dev->flags)) + status |= CM_ATR_VALID; + if (test_bit(IS_CMM_ABSENT, &dev->flags)) + status |= CM_NO_READER; + if (test_bit(IS_BAD_CARD, &dev->flags)) + status |= CM_BAD_CARD; + if (copy_to_user(argp, &status, sizeof(int))) + return -EFAULT; + } + return 0; + case CM_IOCGATR: + DEBUGP(4, dev, "... in CM_IOCGATR\n"); + { + struct atreq __user *atreq = argp; + int tmp; + /* allow nonblocking io and being interrupted */ + if (wait_event_interruptible + (dev->atrq, + ((filp->f_flags & O_NONBLOCK) + || (test_bit(IS_ATR_PRESENT, (void *)&dev->flags) + != 0)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + + if (test_bit(IS_ATR_VALID, &dev->flags) == 0) { + tmp = -1; + if (copy_to_user(&(atreq->atr_len), &tmp, + sizeof(int))) + return -EFAULT; + } else { + if (copy_to_user(atreq->atr, dev->atr, + dev->atr_len)) + return -EFAULT; + + tmp = dev->atr_len; + if (copy_to_user(&(atreq->atr_len), &tmp, sizeof(int))) + return -EFAULT; + } + return 0; + } + case CM_IOCARDOFF: + +#ifdef PCMCIA_DEBUG + DEBUGP(4, dev, "... in CM_IOCARDOFF\n"); + if (dev->flags0 & 0x01) { + DEBUGP(4, dev, " Card inserted\n"); + } else { + DEBUGP(2, dev, " No card inserted\n"); + } + if (dev->flags0 & 0x02) { + DEBUGP(4, dev, " Card powered\n"); + } else { + DEBUGP(2, dev, " Card not powered\n"); + } +#endif + + /* is a card inserted and powered? */ + if ((dev->flags0 & 0x01) && (dev->flags0 & 0x02)) { + + /* get IO lock */ + if (wait_event_interruptible + (dev->ioq, + ((filp->f_flags & O_NONBLOCK) + || (test_and_set_bit(LOCK_IO, (void *)&dev->flags) + == 0)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + /* Set Flags0 = 0x42 */ + DEBUGP(4, dev, "Set Flags0=0x42 \n"); + xoutb(0x42, REG_FLAGS0(iobase)); + clear_bit(IS_ATR_PRESENT, &dev->flags); + clear_bit(IS_ATR_VALID, &dev->flags); + dev->mstate = M_CARDOFF; + clear_bit(LOCK_IO, &dev->flags); + if (wait_event_interruptible + (dev->atrq, + ((filp->f_flags & O_NONBLOCK) + || (test_bit(IS_ATR_VALID, (void *)&dev->flags) != + 0)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + } + /* release lock */ + clear_bit(LOCK_IO, &dev->flags); + wake_up_interruptible(&dev->ioq); + + return 0; + case CM_IOCSPTS: + { + struct ptsreq krnptsreq; + + if (copy_from_user(&krnptsreq, argp, + sizeof(struct ptsreq))) + return -EFAULT; + + rc = 0; + DEBUGP(4, dev, "... in CM_IOCSPTS\n"); + /* wait for ATR to get valid */ + if (wait_event_interruptible + (dev->atrq, + ((filp->f_flags & O_NONBLOCK) + || (test_bit(IS_ATR_PRESENT, (void *)&dev->flags) + != 0)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + /* get IO lock */ + if (wait_event_interruptible + (dev->ioq, + ((filp->f_flags & O_NONBLOCK) + || (test_and_set_bit(LOCK_IO, (void *)&dev->flags) + == 0)))) { + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + return -ERESTARTSYS; + } + + if ((rc = set_protocol(dev, &krnptsreq)) != 0) { + /* auto power_on again */ + dev->mstate = M_FETCH_ATR; + clear_bit(IS_ATR_VALID, &dev->flags); + } + /* release lock */ + clear_bit(LOCK_IO, &dev->flags); + wake_up_interruptible(&dev->ioq); + + } + return rc; +#ifdef PCMCIA_DEBUG + case CM_IOSDBGLVL: /* set debug log level */ + { + int old_pc_debug = 0; + + old_pc_debug = pc_debug; + if (copy_from_user(&pc_debug, argp, sizeof(int))) + return -EFAULT; + + if (old_pc_debug != pc_debug) + DEBUGP(0, dev, "Changed debug log level " + "to %i\n", pc_debug); + } + return rc; +#endif + default: + DEBUGP(4, dev, "... in default (unknown IOCTL code)\n"); + return -EINVAL; + } +} + +static int cmm_open(struct inode *inode, struct file *filp) +{ + struct cm4000_dev *dev; + dev_link_t *link; + int rc, minor = iminor(inode); + + if (minor >= CM4000_MAX_DEV) + return -ENODEV; + + link = dev_table[minor]; + if (link == NULL || !(DEV_OK(link))) + return -ENODEV; + + if (link->open) + return -EBUSY; + + dev = link->priv; + filp->private_data = dev; + + DEBUGP(2, dev, "-> cmm_open(device=%d.%d process=%s,%d)\n", + imajor(inode), minor, current->comm, current->pid); + + /* init device variables, they may be "polluted" after close + * or, the device may never have been closed (i.e. open failed) + */ + + ZERO_DEV(dev); + + /* opening will always block since the + * monitor will be started by open, which + * means we have to wait for ATR becoming + * vaild = block until valid (or card + * inserted) + */ + if (filp->f_flags & O_NONBLOCK) + return -EAGAIN; + + dev->mdelay = T_50MSEC; + + /* start monitoring the cardstatus */ + start_monitor(dev); + + link->open = 1; /* only one open per device */ + rc = 0; + + DEBUGP(2, dev, "<- cmm_open\n"); + return nonseekable_open(inode, filp); +} + +static int cmm_close(struct inode *inode, struct file *filp) +{ + struct cm4000_dev *dev; + dev_link_t *link; + int minor = iminor(inode); + + if (minor >= CM4000_MAX_DEV) + return -ENODEV; + + link = dev_table[minor]; + if (link == NULL) + return -ENODEV; + + dev = link->priv; + + DEBUGP(2, dev, "-> cmm_close(maj/min=%d.%d)\n", + imajor(inode), minor); + + stop_monitor(dev); + + ZERO_DEV(dev); + + link->open = 0; /* only one open per device */ + wake_up(&dev->devq); /* socket removed? */ + + DEBUGP(2, dev, "cmm_close\n"); + return 0; +} + +static void cmm_cm4000_release(dev_link_t * link) +{ + struct cm4000_dev *dev = link->priv; + + /* dont terminate the monitor, rather rely on + * close doing that for us. + */ + DEBUGP(3, dev, "-> cmm_cm4000_release\n"); + while (link->open) { + printk(KERN_INFO MODULE_NAME ": delaying release until " + "process has terminated\n"); + /* note: don't interrupt us: + * close the applications which own + * the devices _first_ ! + */ + wait_event(dev->devq, (link->open == 0)); + } + /* dev->devq=NULL; this cannot be zeroed earlier */ + DEBUGP(3, dev, "<- cmm_cm4000_release\n"); + return; +} + +/*==== Interface to PCMCIA Layer =======================================*/ + +static void cm4000_config(dev_link_t * link, int devno) +{ + client_handle_t handle = link->handle; + struct cm4000_dev *dev; + tuple_t tuple; + cisparse_t parse; + config_info_t conf; + u_char buf[64]; + int fail_fn, fail_rc; + int rc; + + /* read the config-tuples */ + tuple.DesiredTuple = CISTPL_CONFIG; + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; + + if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { + fail_fn = GetFirstTuple; + goto cs_failed; + } + if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { + fail_fn = GetTupleData; + goto cs_failed; + } + if ((fail_rc = + pcmcia_parse_tuple(handle, &tuple, &parse)) != CS_SUCCESS) { + fail_fn = ParseTuple; + goto cs_failed; + } + if ((fail_rc = + pcmcia_get_configuration_info(handle, &conf)) != CS_SUCCESS) { + fail_fn = GetConfigurationInfo; + goto cs_failed; + } + + link->state |= DEV_CONFIG; + link->conf.ConfigBase = parse.config.base; + link->conf.Present = parse.config.rmask[0]; + link->conf.Vcc = conf.Vcc; + + link->io.BasePort2 = 0; + link->io.NumPorts2 = 0; + link->io.Attributes2 = 0; + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + for (rc = pcmcia_get_first_tuple(handle, &tuple); + rc == CS_SUCCESS; rc = pcmcia_get_next_tuple(handle, &tuple)) { + + rc = pcmcia_get_tuple_data(handle, &tuple); + if (rc != CS_SUCCESS) + continue; + rc = pcmcia_parse_tuple(handle, &tuple, &parse); + if (rc != CS_SUCCESS) + continue; + + link->conf.ConfigIndex = parse.cftable_entry.index; + + if (!parse.cftable_entry.io.nwin) + continue; + + /* Get the IOaddr */ + link->io.BasePort1 = parse.cftable_entry.io.win[0].base; + link->io.NumPorts1 = parse.cftable_entry.io.win[0].len; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + if (!(parse.cftable_entry.io.flags & CISTPL_IO_8BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + if (!(parse.cftable_entry.io.flags & CISTPL_IO_16BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + link->io.IOAddrLines = parse.cftable_entry.io.flags + & CISTPL_IO_LINES_MASK; + + rc = pcmcia_request_io(handle, &link->io); + if (rc == CS_SUCCESS) + break; /* we are done */ + } + if (rc != CS_SUCCESS) + goto cs_release; + + link->conf.IntType = 00000002; + + if ((fail_rc = + pcmcia_request_configuration(handle, &link->conf)) != CS_SUCCESS) { + fail_fn = RequestConfiguration; + goto cs_release; + } + + dev = link->priv; + sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno); + dev->node.major = major; + dev->node.minor = devno; + dev->node.next = NULL; + link->dev = &dev->node; + link->state &= ~DEV_CONFIG_PENDING; + + return; + +cs_failed: + cs_error(handle, fail_fn, fail_rc); +cs_release: + cm4000_release(link); + + link->state &= ~DEV_CONFIG_PENDING; +} + +static int cm4000_event(event_t event, int priority, + event_callback_args_t *args) +{ + dev_link_t *link; + struct cm4000_dev *dev; + int devno; + + link = args->client_data; + dev = link->priv; + + DEBUGP(3, dev, "-> cm4000_event\n"); + for (devno = 0; devno < CM4000_MAX_DEV; devno++) + if (dev_table[devno] == link) + break; + + if (devno == CM4000_MAX_DEV) + return CS_BAD_ADAPTER; + + switch (event) { + case CS_EVENT_CARD_INSERTION: + DEBUGP(5, dev, "CS_EVENT_CARD_INSERTION\n"); + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + cm4000_config(link, devno); + break; + case CS_EVENT_CARD_REMOVAL: + DEBUGP(5, dev, "CS_EVENT_CARD_REMOVAL\n"); + link->state &= ~DEV_PRESENT; + stop_monitor(dev); + break; + case CS_EVENT_PM_SUSPEND: + DEBUGP(5, dev, "CS_EVENT_PM_SUSPEND " + "(fall-through to CS_EVENT_RESET_PHYSICAL)\n"); + link->state |= DEV_SUSPEND; + /* fall-through */ + case CS_EVENT_RESET_PHYSICAL: + DEBUGP(5, dev, "CS_EVENT_RESET_PHYSICAL\n"); + if (link->state & DEV_CONFIG) { + DEBUGP(5, dev, "ReleaseConfiguration\n"); + pcmcia_release_configuration(link->handle); + } + stop_monitor(dev); + break; + case CS_EVENT_PM_RESUME: + DEBUGP(5, dev, "CS_EVENT_PM_RESUME " + "(fall-through to CS_EVENT_CARD_RESET)\n"); + link->state &= ~DEV_SUSPEND; + /* fall-through */ + case CS_EVENT_CARD_RESET: + DEBUGP(5, dev, "CS_EVENT_CARD_RESET\n"); + if ((link->state & DEV_CONFIG)) { + DEBUGP(5, dev, "RequestConfiguration\n"); + pcmcia_request_configuration(link->handle, &link->conf); + } + if (link->open) + start_monitor(dev); + break; + default: + DEBUGP(5, dev, "unknown event %.2x\n", event); + break; + } + DEBUGP(3, dev, "<- cm4000_event\n"); + return CS_SUCCESS; +} + +static void cm4000_release(dev_link_t *link) +{ + cmm_cm4000_release(link->priv); /* delay release until device closed */ + pcmcia_release_configuration(link->handle); + pcmcia_release_io(link->handle, &link->io); +} + +static dev_link_t *cm4000_attach(void) +{ + struct cm4000_dev *dev; + dev_link_t *link; + client_reg_t client_reg; + int i; + + for (i = 0; i < CM4000_MAX_DEV; i++) + if (dev_table[i] == NULL) + break; + + if (i == CM4000_MAX_DEV) { + printk(KERN_NOTICE MODULE_NAME ": all devices in use\n"); + return NULL; + } + + /* create a new cm4000_cs device */ + dev = kzalloc(sizeof(struct cm4000_dev), GFP_KERNEL); + if (dev == NULL) + return NULL; + + link = &dev->link; + link->priv = dev; + link->conf.IntType = INT_MEMORY_AND_IO; + dev_table[i] = link; + + /* register with card services */ + client_reg.dev_info = &dev_info; + client_reg.EventMask = + CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL | + CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET | + CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME; + client_reg.Version = 0x0210; + client_reg.event_callback_args.client_data = link; + + i = pcmcia_register_client(&link->handle, &client_reg); + if (i) { + cs_error(link->handle, RegisterClient, i); + cm4000_detach(link); + return NULL; + } + + init_waitqueue_head(&dev->devq); + init_waitqueue_head(&dev->ioq); + init_waitqueue_head(&dev->atrq); + init_waitqueue_head(&dev->readq); + + return link; +} + +static void cm4000_detach_by_devno(int devno, dev_link_t * link) +{ + struct cm4000_dev *dev = link->priv; + + DEBUGP(3, dev, "-> detach_by_devno(devno=%d)\n", devno); + + if (link->state & DEV_CONFIG) { + DEBUGP(5, dev, "device still configured (try to release it)\n"); + cm4000_release(link); + } + + if (link->handle) { + pcmcia_deregister_client(link->handle); + } + + dev_table[devno] = NULL; + kfree(dev); + return; +} + +static void cm4000_detach(dev_link_t * link) +{ + int i; + + /* find device */ + for (i = 0; i < CM4000_MAX_DEV; i++) + if (dev_table[i] == link) + break; + + if (i == CM4000_MAX_DEV) + return; + + cm4000_detach_by_devno(i, link); + return; +} + +static struct file_operations cm4000_fops = { + .owner = THIS_MODULE, + .read = cmm_read, + .write = cmm_write, + .ioctl = cmm_ioctl, + .open = cmm_open, + .release= cmm_close, +}; + +static struct pcmcia_device_id cm4000_ids[] = { + PCMCIA_DEVICE_MANF_CARD(0x0223, 0x0002), + PCMCIA_DEVICE_PROD_ID12("CardMan", "4000", 0x2FB368CA, 0xA2BD8C39), + PCMCIA_DEVICE_NULL, +}; +MODULE_DEVICE_TABLE(pcmcia, cm4000_ids); + +static struct pcmcia_driver cm4000_driver = { + .owner = THIS_MODULE, + .drv = { + .name = "cm4000_cs", + }, + .attach = cm4000_attach, + .detach = cm4000_detach, + .event = cm4000_event, + .id_table = cm4000_ids, +}; + +static int __init cmm_init(void) +{ + printk(KERN_INFO "%s\n", version); + pcmcia_register_driver(&cm4000_driver); + major = register_chrdev(0, DEVICE_NAME, &cm4000_fops); + if (major < 0) { + printk(KERN_WARNING MODULE_NAME + ": could not get major number\n"); + return -1; + } + + return 0; +} + +static void __exit cmm_exit(void) +{ + int i; + + printk(KERN_INFO MODULE_NAME ": unloading\n"); + pcmcia_unregister_driver(&cm4000_driver); + for (i = 0; i < CM4000_MAX_DEV; i++) + if (dev_table[i]) + cm4000_detach_by_devno(i, dev_table[i]); + unregister_chrdev(major, DEVICE_NAME); +}; + +module_init(cmm_init); +module_exit(cmm_exit); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/char/pcmcia/cm4040_cs.c b/drivers/char/pcmcia/cm4040_cs.c new file mode 100644 index 0000000..4c698d9 --- /dev/null +++ b/drivers/char/pcmcia/cm4040_cs.c @@ -0,0 +1,841 @@ +/* + * A driver for the Omnikey PCMCIA smartcard reader CardMan 4040 + * + * (c) 2000-2004 Omnikey AG (http://www.omnikey.com/) + * + * (C) 2005 Harald Welte <laforge@gnumonks.org> + * - add support for poll() + * - driver cleanup + * - add waitqueues + * - adhere to linux kernel coding style and policies + * - support 2.6.13 "new style" pcmcia interface + * + * The device basically is a USB CCID compliant device that has been + * attached to an I/O-Mapped FIFO. + * + * All rights reserved, Dual BSD/GPL Licensed. + */ + +/* #define PCMCIA_DEBUG 6 */ + +#include <linux/kernel.h> +#include <linux/module.h> +#include <linux/slab.h> +#include <linux/init.h> +#include <linux/fs.h> +#include <linux/delay.h> +#include <linux/poll.h> +#include <linux/wait.h> +#include <asm/uaccess.h> +#include <asm/io.h> + +#include <pcmcia/cs_types.h> +#include <pcmcia/cs.h> +#include <pcmcia/cistpl.h> +#include <pcmcia/cisreg.h> +#include <pcmcia/ciscode.h> +#include <pcmcia/ds.h> + +#include "cm4040_cs.h" + + +#ifdef PCMCIA_DEBUG +#define reader_to_dev(x) (&handle_to_dev(x->link.handle)) +static int pc_debug = PCMCIA_DEBUG; +module_param(pc_debug, int, 0600); +#define DEBUGP(n, rdr, x, args...) do { \ + if (pc_debug >= (n)) \ + dev_printk(KERN_DEBUG, reader_to_dev(rdr), "%s:" x, \ + __FUNCTION__ , ##args); \ + } while (0) +#else +#define DEBUGP(n, rdr, x, args...) +#endif + +static char *version = +"OMNIKEY CardMan 4040 v1.1.0gm4 - All bugs added by Harald Welte"; + +#define CCID_DRIVER_BULK_DEFAULT_TIMEOUT (150*HZ) +#define CCID_DRIVER_ASYNC_POWERUP_TIMEOUT (35*HZ) +#define CCID_DRIVER_MINIMUM_TIMEOUT (3*HZ) +#define READ_WRITE_BUFFER_SIZE 512 +#define POLL_LOOP_COUNT 1000 + +/* how often to poll for fifo status change */ +#define POLL_PERIOD msecs_to_jiffies(10) + +static void reader_release(dev_link_t *link); +static void reader_detach(dev_link_t *link); + +static int major; + +#define BS_READABLE 0x01 +#define BS_WRITABLE 0x02 + +struct reader_dev { + dev_link_t link; + dev_node_t node; + wait_queue_head_t devq; + wait_queue_head_t poll_wait; + wait_queue_head_t read_wait; + wait_queue_head_t write_wait; + unsigned long buffer_status; + unsigned long timeout; + unsigned char s_buf[READ_WRITE_BUFFER_SIZE]; + unsigned char r_buf[READ_WRITE_BUFFER_SIZE]; + struct timer_list poll_timer; +}; + +static dev_info_t dev_info = MODULE_NAME; +static dev_link_t *dev_table[CM_MAX_DEV]; + +#ifndef PCMCIA_DEBUG +#define xoutb outb +#define xinb inb +#else +static inline void xoutb(unsigned char val, unsigned short port) +{ + if (pc_debug >= 7) + printk(KERN_DEBUG "outb(val=%.2x,port=%.4x)\n", val, port); + outb(val, port); +} + +static inline unsigned char xinb(unsigned short port) +{ + unsigned char val; + + val = inb(port); + if (pc_debug >= 7) + printk(KERN_DEBUG "%.2x=inb(%.4x)\n", val, port); + return val; +} +#endif + +/* poll the device fifo status register. not to be confused with + * the poll syscall. */ +static void cm4040_do_poll(unsigned long dummy) +{ + struct reader_dev *dev = (struct reader_dev *) dummy; + unsigned int obs = xinb(dev->link.io.BasePort1 + + REG_OFFSET_BUFFER_STATUS); + + if ((obs & BSR_BULK_IN_FULL)) { + set_bit(BS_READABLE, &dev->buffer_status); + DEBUGP(4, dev, "waking up read_wait\n"); + wake_up_interruptible(&dev->read_wait); + } else + clear_bit(BS_READABLE, &dev->buffer_status); + + if (!(obs & BSR_BULK_OUT_FULL)) { + set_bit(BS_WRITABLE, &dev->buffer_status); + DEBUGP(4, dev, "waking up write_wait\n"); + wake_up_interruptible(&dev->write_wait); + } else + clear_bit(BS_WRITABLE, &dev->buffer_status); + + if (dev->buffer_status) + wake_up_interruptible(&dev->poll_wait); + + mod_timer(&dev->poll_timer, jiffies + POLL_PERIOD); +} + +static void cm4040_stop_poll(struct reader_dev *dev) +{ + del_timer_sync(&dev->poll_timer); +} + +static int wait_for_bulk_out_ready(struct reader_dev *dev) +{ + int i, rc; + int iobase = dev->link.io.BasePort1; + + for (i = 0; i < POLL_LOOP_COUNT; i++) { + if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) + & BSR_BULK_OUT_FULL) == 0) { + DEBUGP(4, dev, "BulkOut empty (i=%d)\n", i); + return 1; + } + } + + DEBUGP(4, dev, "wait_event_interruptible_timeout(timeout=%ld\n", + dev->timeout); + rc = wait_event_interruptible_timeout(dev->write_wait, + test_and_clear_bit(BS_WRITABLE, + &dev->buffer_status), + dev->timeout); + + if (rc > 0) + DEBUGP(4, dev, "woke up: BulkOut empty\n"); + else if (rc == 0) + DEBUGP(4, dev, "woke up: BulkOut full, returning 0 :(\n"); + else if (rc < 0) + DEBUGP(4, dev, "woke up: signal arrived\n"); + + return rc; +} + +/* Write to Sync Control Register */ +static int write_sync_reg(unsigned char val, struct reader_dev *dev) +{ + int iobase = dev->link.io.BasePort1; + int rc; + + rc = wait_for_bulk_out_ready(dev); + if (rc <= 0) + return rc; + + xoutb(val, iobase + REG_OFFSET_SYNC_CONTROL); + rc = wait_for_bulk_out_ready(dev); + if (rc <= 0) + return rc; + + return 1; +} + +static int wait_for_bulk_in_ready(struct reader_dev *dev) +{ + int i, rc; + int iobase = dev->link.io.BasePort1; + + for (i = 0; i < POLL_LOOP_COUNT; i++) { + if ((xinb(iobase + REG_OFFSET_BUFFER_STATUS) + & BSR_BULK_IN_FULL) == BSR_BULK_IN_FULL) { + DEBUGP(3, dev, "BulkIn full (i=%d)\n", i); + return 1; + } + } + + DEBUGP(4, dev, "wait_event_interruptible_timeout(timeout=%ld\n", + dev->timeout); + rc = wait_event_interruptible_timeout(dev->read_wait, + test_and_clear_bit(BS_READABLE, + &dev->buffer_status), + dev->timeout); + if (rc > 0) + DEBUGP(4, dev, "woke up: BulkIn full\n"); + else if (rc == 0) + DEBUGP(4, dev, "woke up: BulkIn not full, returning 0 :(\n"); + else if (rc < 0) + DEBUGP(4, dev, "woke up: signal arrived\n"); + + return rc; +} + +static ssize_t cm4040_read(struct file *filp, char __user *buf, + size_t count, loff_t *ppos) +{ + struct reader_dev *dev = filp->private_data; + int iobase = dev->link.io.BasePort1; + size_t bytes_to_read; + unsigned long i; + size_t min_bytes_to_read; + int rc; + unsigned char uc; + + DEBUGP(2, dev, "-> cm4040_read(%s,%d)\n", current->comm, current->pid); + + if (count == 0) + return 0; + + if (count < 10) + return -EFAULT; + + if (filp->f_flags & O_NONBLOCK) { + DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n"); + DEBUGP(2, dev, "<- cm4040_read (failure)\n"); + return -EAGAIN; + } + + if ((dev->link.state & DEV_PRESENT)==0) + return -ENODEV; + + for (i = 0; i < 5; i++) { + rc = wait_for_bulk_in_ready(dev); + if (rc <= 0) { + DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc); + DEBUGP(2, dev, "<- cm4040_read (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + return -EIO; + } + dev->r_buf[i] = xinb(iobase + REG_OFFSET_BULK_IN); +#ifdef PCMCIA_DEBUG + if (pc_debug >= 6) + printk(KERN_DEBUG "%lu:%2x ", i, dev->r_buf[i]); + } + printk("\n"); +#else + } +#endif + + bytes_to_read = 5 + le32_to_cpu(*(__le32 *)&dev->r_buf[1]); + + DEBUGP(6, dev, "BytesToRead=%lu\n", bytes_to_read); + + min_bytes_to_read = min(count, bytes_to_read + 5); + + DEBUGP(6, dev, "Min=%lu\n", min_bytes_to_read); + + for (i = 0; i < (min_bytes_to_read-5); i++) { + rc = wait_for_bulk_in_ready(dev); + if (rc <= 0) { + DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc); + DEBUGP(2, dev, "<- cm4040_read (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + return -EIO; + } + dev->r_buf[i+5] = xinb(iobase + REG_OFFSET_BULK_IN); +#ifdef PCMCIA_DEBUG + if (pc_debug >= 6) + printk(KERN_DEBUG "%lu:%2x ", i, dev->r_buf[i]); + } + printk("\n"); +#else + } +#endif + + *ppos = min_bytes_to_read; + if (copy_to_user(buf, dev->r_buf, min_bytes_to_read)) + return -EFAULT; + + rc = wait_for_bulk_in_ready(dev); + if (rc <= 0) { + DEBUGP(5, dev, "wait_for_bulk_in_ready rc=%.2x\n", rc); + DEBUGP(2, dev, "<- cm4040_read (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + return -EIO; + } + + rc = write_sync_reg(SCR_READER_TO_HOST_DONE, dev); + if (rc <= 0) { + DEBUGP(5, dev, "write_sync_reg c=%.2x\n", rc); + DEBUGP(2, dev, "<- cm4040_read (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + else + return -EIO; + } + + uc = xinb(iobase + REG_OFFSET_BULK_IN); + + DEBUGP(2, dev, "<- cm4040_read (successfully)\n"); + return min_bytes_to_read; +} + +static ssize_t cm4040_write(struct file *filp, const char __user *buf, + size_t count, loff_t *ppos) +{ + struct reader_dev *dev = filp->private_data; + int iobase = dev->link.io.BasePort1; + ssize_t rc; + int i; + unsigned int bytes_to_write; + + DEBUGP(2, dev, "-> cm4040_write(%s,%d)\n", current->comm, current->pid); + + if (count == 0) { + DEBUGP(2, dev, "<- cm4040_write empty read (successfully)\n"); + return 0; + } + + if (count < 5) { + DEBUGP(2, dev, "<- cm4040_write buffersize=%Zd < 5\n", count); + return -EIO; + } + + if (filp->f_flags & O_NONBLOCK) { + DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n"); + DEBUGP(4, dev, "<- cm4040_write (failure)\n"); + return -EAGAIN; + } + + if ((dev->link.state & DEV_PRESENT) == 0) + return -ENODEV; + + bytes_to_write = count; + if (copy_from_user(dev->s_buf, buf, bytes_to_write)) + return -EFAULT; + + switch (dev->s_buf[0]) { + case CMD_PC_TO_RDR_XFRBLOCK: + case CMD_PC_TO_RDR_SECURE: + case CMD_PC_TO_RDR_TEST_SECURE: + case CMD_PC_TO_RDR_OK_SECURE: + dev->timeout = CCID_DRIVER_BULK_DEFAULT_TIMEOUT; + break; + + case CMD_PC_TO_RDR_ICCPOWERON: + dev->timeout = CCID_DRIVER_ASYNC_POWERUP_TIMEOUT; + break; + + case CMD_PC_TO_RDR_GETSLOTSTATUS: + case CMD_PC_TO_RDR_ICCPOWEROFF: + case CMD_PC_TO_RDR_GETPARAMETERS: + case CMD_PC_TO_RDR_RESETPARAMETERS: + case CMD_PC_TO_RDR_SETPARAMETERS: + case CMD_PC_TO_RDR_ESCAPE: + case CMD_PC_TO_RDR_ICCCLOCK: + default: + dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; + break; + } + + rc = write_sync_reg(SCR_HOST_TO_READER_START, dev); + if (rc <= 0) { + DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); + DEBUGP(2, dev, "<- cm4040_write (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + else + return -EIO; + } + + DEBUGP(4, dev, "start \n"); + + for (i = 0; i < bytes_to_write; i++) { + rc = wait_for_bulk_out_ready(dev); + if (rc <= 0) { + DEBUGP(5, dev, "wait_for_bulk_out_ready rc=%.2Zx\n", + rc); + DEBUGP(2, dev, "<- cm4040_write (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + else + return -EIO; + } + + xoutb(dev->s_buf[i],iobase + REG_OFFSET_BULK_OUT); + } + DEBUGP(4, dev, "end\n"); + + rc = write_sync_reg(SCR_HOST_TO_READER_DONE, dev); + + if (rc <= 0) { + DEBUGP(5, dev, "write_sync_reg c=%.2Zx\n", rc); + DEBUGP(2, dev, "<- cm4040_write (failed)\n"); + if (rc == -ERESTARTSYS) + return rc; + else + return -EIO; + } + + DEBUGP(2, dev, "<- cm4040_write (successfully)\n"); + return count; +} + +static unsigned int cm4040_poll(struct file *filp, poll_table *wait) +{ + struct reader_dev *dev = filp->private_data; + unsigned int mask = 0; + + poll_wait(filp, &dev->poll_wait, wait); + + if (test_and_clear_bit(BS_READABLE, &dev->buffer_status)) + mask |= POLLIN | POLLRDNORM; + if (test_and_clear_bit(BS_WRITABLE, &dev->buffer_status)) + mask |= POLLOUT | POLLWRNORM; + + DEBUGP(2, dev, "<- cm4040_poll(%u)\n", mask); + + return mask; +} + +static int cm4040_open(struct inode *inode, struct file *filp) +{ + struct reader_dev *dev; + dev_link_t *link; + int minor = iminor(inode); + + if (minor >= CM_MAX_DEV) + return -ENODEV; + + link = dev_table[minor]; + if (link == NULL || !(DEV_OK(link))) + return -ENODEV; + + if (link->open) + return -EBUSY; + + dev = link->priv; + filp->private_data = dev; + + if (filp->f_flags & O_NONBLOCK) { + DEBUGP(4, dev, "filep->f_flags O_NONBLOCK set\n"); + return -EAGAIN; + } + + link->open = 1; + + dev->poll_timer.data = (unsigned long) dev; + mod_timer(&dev->poll_timer, jiffies + POLL_PERIOD); + + DEBUGP(2, dev, "<- cm4040_open (successfully)\n"); + return nonseekable_open(inode, filp); +} + +static int cm4040_close(struct inode *inode, struct file *filp) +{ + struct reader_dev *dev = filp->private_data; + dev_link_t *link; + int minor = iminor(inode); + + DEBUGP(2, dev, "-> cm4040_close(maj/min=%d.%d)\n", imajor(inode), + iminor(inode)); + + if (minor >= CM_MAX_DEV) + return -ENODEV; + + link = dev_table[minor]; + if (link == NULL) + return -ENODEV; + + cm4040_stop_poll(dev); + + link->open = 0; + wake_up(&dev->devq); + + DEBUGP(2, dev, "<- cm4040_close\n"); + return 0; +} + +static void cm4040_reader_release(dev_link_t *link) +{ + struct reader_dev *dev = link->priv; + + DEBUGP(3, dev, "-> cm4040_reader_release\n"); + while (link->open) { + DEBUGP(3, dev, KERN_INFO MODULE_NAME ": delaying release " + "until process has terminated\n"); + wait_event(dev->devq, (link->open == 0)); + } + DEBUGP(3, dev, "<- cm4040_reader_release\n"); + return; +} + +static void reader_config(dev_link_t *link, int devno) +{ + client_handle_t handle; + struct reader_dev *dev; + tuple_t tuple; + cisparse_t parse; + config_info_t conf; + u_char buf[64]; + int fail_fn, fail_rc; + int rc; + + handle = link->handle; + + tuple.DesiredTuple = CISTPL_CONFIG; + tuple.Attributes = 0; + tuple.TupleData = buf; + tuple.TupleDataMax = sizeof(buf); + tuple.TupleOffset = 0; + + if ((fail_rc = pcmcia_get_first_tuple(handle, &tuple)) != CS_SUCCESS) { + fail_fn = GetFirstTuple; + goto cs_failed; + } + if ((fail_rc = pcmcia_get_tuple_data(handle, &tuple)) != CS_SUCCESS) { + fail_fn = GetTupleData; + goto cs_failed; + } + if ((fail_rc = pcmcia_parse_tuple(handle, &tuple, &parse)) + != CS_SUCCESS) { + fail_fn = ParseTuple; + goto cs_failed; + } + if ((fail_rc = pcmcia_get_configuration_info(handle, &conf)) + != CS_SUCCESS) { + fail_fn = GetConfigurationInfo; + goto cs_failed; + } + + link->state |= DEV_CONFIG; + link->conf.ConfigBase = parse.config.base; + link->conf.Present = parse.config.rmask[0]; + link->conf.Vcc = conf.Vcc; + + link->io.BasePort2 = 0; + link->io.NumPorts2 = 0; + link->io.Attributes2 = 0; + tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY; + for (rc = pcmcia_get_first_tuple(handle, &tuple); + rc == CS_SUCCESS; + rc = pcmcia_get_next_tuple(handle, &tuple)) { + rc = pcmcia_get_tuple_data(handle, &tuple); + if (rc != CS_SUCCESS) + continue; + rc = pcmcia_parse_tuple(handle, &tuple, &parse); + if (rc != CS_SUCCESS) + continue; + + link->conf.ConfigIndex = parse.cftable_entry.index; + + if (!parse.cftable_entry.io.nwin) + continue; + + link->io.BasePort1 = parse.cftable_entry.io.win[0].base; + link->io.NumPorts1 = parse.cftable_entry.io.win[0].len; + link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO; + if (!(parse.cftable_entry.io.flags & CISTPL_IO_8BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_16; + if (!(parse.cftable_entry.io.flags & CISTPL_IO_16BIT)) + link->io.Attributes1 = IO_DATA_PATH_WIDTH_8; + link->io.IOAddrLines = parse.cftable_entry.io.flags + & CISTPL_IO_LINES_MASK; + rc = pcmcia_request_io(handle, &link->io); + + dev_printk(KERN_INFO, &handle_to_dev(handle), "foo"); + if (rc == CS_SUCCESS) + break; + else + dev_printk(KERN_INFO, &handle_to_dev(handle), + "pcmcia_request_io failed 0x%x\n", rc); + } + if (rc != CS_SUCCESS) + goto cs_release; + + link->conf.IntType = 00000002; + + if ((fail_rc = pcmcia_request_configuration(handle,&link->conf)) + !=CS_SUCCESS) { + fail_fn = RequestConfiguration; + dev_printk(KERN_INFO, &handle_to_dev(handle), + "pcmcia_request_configuration failed 0x%x\n", + fail_rc); + goto cs_release; + } + + dev = link->priv; + sprintf(dev->node.dev_name, DEVICE_NAME "%d", devno); + dev->node.major = major; + dev->node.minor = devno; + dev->node.next = NULL; + link->dev = &dev->node; + link->state &= ~DEV_CONFIG_PENDING; + + DEBUGP(2, dev, "device " DEVICE_NAME "%d at 0x%.4x-0x%.4x\n", devno, + link->io.BasePort1, link->io.BasePort1+link->io.NumPorts1); + DEBUGP(2, dev, "<- reader_config (succ)\n"); + + return; + +cs_failed: + cs_error(handle, fail_fn, fail_rc); +cs_release: + reader_release(link); + link->state &= ~DEV_CONFIG_PENDING; +} + +static int reader_event(event_t event, int priority, + event_callback_args_t *args) +{ + dev_link_t *link; + struct reader_dev *dev; + int devno; + + link = args->client_data; + dev = link->priv; + DEBUGP(3, dev, "-> reader_event\n"); + for (devno = 0; devno < CM_MAX_DEV; devno++) { + if (dev_table[devno] == link) + break; + } + if (devno == CM_MAX_DEV) + return CS_BAD_ADAPTER; + + switch (event) { + case CS_EVENT_CARD_INSERTION: + DEBUGP(5, dev, "CS_EVENT_CARD_INSERTION\n"); + link->state |= DEV_PRESENT | DEV_CONFIG_PENDING; + reader_config(link, devno); + break; + case CS_EVENT_CARD_REMOVAL: + DEBUGP(5, dev, "CS_EVENT_CARD_REMOVAL\n"); + link->state &= ~DEV_PRESENT; + break; + case CS_EVENT_PM_SUSPEND: + DEBUGP(5, dev, "CS_EVENT_PM_SUSPEND " + "(fall-through to CS_EVENT_RESET_PHYSICAL)\n"); + link->state |= DEV_SUSPEND; + + case CS_EVENT_RESET_PHYSICAL: + DEBUGP(5, dev, "CS_EVENT_RESET_PHYSICAL\n"); + if (link->state & DEV_CONFIG) { + DEBUGP(5, dev, "ReleaseConfiguration\n"); + pcmcia_release_configuration(link->handle); + } + break; + case CS_EVENT_PM_RESUME: + DEBUGP(5, dev, "CS_EVENT_PM_RESUME " + "(fall-through to CS_EVENT_CARD_RESET)\n"); + link->state &= ~DEV_SUSPEND; + + case CS_EVENT_CARD_RESET: + DEBUGP(5, dev, "CS_EVENT_CARD_RESET\n"); + if ((link->state & DEV_CONFIG)) { + DEBUGP(5, dev, "RequestConfiguration\n"); + pcmcia_request_configuration(link->handle, + &link->conf); + } + break; + default: + DEBUGP(5, dev, "reader_event: unknown event %.2x\n", + event); + break; + } + DEBUGP(3, dev, "<- reader_event\n"); + return CS_SUCCESS; +} + +static void reader_release(dev_link_t *link) +{ + cm4040_reader_release(link->priv); + pcmcia_release_configuration(link->handle); + pcmcia_release_io(link->handle, &link->io); +} + +static dev_link_t *reader_attach(void) +{ + struct reader_dev *dev; + dev_link_t *link; + client_reg_t client_reg; + int i; + + for (i = 0; i < CM_MAX_DEV; i++) { + if (dev_table[i] == NULL) + break; + } + + if (i == CM_MAX_DEV) + return NULL; + + dev = kzalloc(sizeof(struct reader_dev), GFP_KERNEL); + if (dev == NULL) + return NULL; + + dev->timeout = CCID_DRIVER_MINIMUM_TIMEOUT; + dev->buffer_status = 0; + + link = &dev->link; + link->priv = dev; + + link->conf.IntType = INT_MEMORY_AND_IO; + dev_table[i] = link; + + client_reg.dev_info = &dev_info; + client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE; + client_reg.EventMask= + CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL | + CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET | + CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME; + client_reg.Version = 0x0210; + client_reg.event_callback_args.client_data = link; + i = pcmcia_register_client(&link->handle, &client_reg); + if (i) { + cs_error(link->handle, RegisterClient, i); + reader_detach(link); + return NULL; + } + init_waitqueue_head(&dev->devq); + init_waitqueue_head(&dev->poll_wait); + init_waitqueue_head(&dev->read_wait); + init_waitqueue_head(&dev->write_wait); + init_timer(&dev->poll_timer); + dev->poll_timer.function = &cm4040_do_poll; + + return link; +} + +static void reader_detach_by_devno(int devno, dev_link_t *link) +{ + struct reader_dev *dev = link->priv; + + if (link->state & DEV_CONFIG) { + DEBUGP(5, dev, "device still configured (try to release it)\n"); + reader_release(link); + } + + pcmcia_deregister_client(link->handle); + dev_table[devno] = NULL; + DEBUGP(5, dev, "freeing dev=%p\n", dev); + cm4040_stop_poll(dev); + kfree(dev); + return; +} + +static void reader_detach(dev_link_t *link) +{ + int i; + + /* find device */ + for (i = 0; i < CM_MAX_DEV; i++) { + if (dev_table[i] == link) + break; + } + if (i == CM_MAX_DEV) + return; + + reader_detach_by_devno(i, link); + return; +} + +static struct file_operations reader_fops = { + .owner = THIS_MODULE, + .read = cm4040_read, + .write = cm4040_write, + .open = cm4040_open, + .release = cm4040_close, + .poll = cm4040_poll, +}; + +static struct pcmcia_device_id cm4040_ids[] = { + PCMCIA_DEVICE_MANF_CARD(0x0223, 0x0200), + PCMCIA_DEVICE_PROD_ID12("OMNIKEY", "CardMan 4040", + 0xE32CDD8C, 0x8F23318B), + PCMCIA_DEVICE_NULL, +}; +MODULE_DEVICE_TABLE(pcmcia, cm4040_ids); + +static struct pcmcia_driver reader_driver = { + .owner = THIS_MODULE, + .drv = { + .name = "cm4040_cs", + }, + .attach = reader_attach, + .detach = reader_detach, + .event = reader_event, + .id_table = cm4040_ids, +}; + +static int __init cm4040_init(void) +{ + printk(KERN_INFO "%s\n", version); + pcmcia_register_driver(&reader_driver); + major = register_chrdev(0, DEVICE_NAME, &reader_fops); + if (major < 0) { + printk(KERN_WARNING MODULE_NAME + ": could not get major number\n"); + return -1; + } + return 0; +} + +static void __exit cm4040_exit(void) +{ + int i; + + printk(KERN_INFO MODULE_NAME ": unloading\n"); + pcmcia_unregister_driver(&reader_driver); + for (i = 0; i < CM_MAX_DEV; i++) { + if (dev_table[i]) + reader_detach_by_devno(i, dev_table[i]); + } + unregister_chrdev(major, DEVICE_NAME); +} + +module_init(cm4040_init); +module_exit(cm4040_exit); +MODULE_LICENSE("Dual BSD/GPL"); diff --git a/drivers/char/pcmcia/cm4040_cs.h b/drivers/char/pcmcia/cm4040_cs.h new file mode 100644 index 0000000..9a8b805 --- /dev/null +++ b/drivers/char/pcmcia/cm4040_cs.h @@ -0,0 +1,47 @@ +#ifndef _CM4040_H_ +#define _CM4040_H_ + +#define CM_MAX_DEV 4 + +#define DEVICE_NAME "cmx" +#define MODULE_NAME "cm4040_cs" + +#define REG_OFFSET_BULK_OUT 0 +#define REG_OFFSET_BULK_IN 0 +#define REG_OFFSET_BUFFER_STATUS 1 +#define REG_OFFSET_SYNC_CONTROL 2 + +#define BSR_BULK_IN_FULL 0x02 +#define BSR_BULK_OUT_FULL 0x01 + +#define SCR_HOST_TO_READER_START 0x80 +#define SCR_ABORT 0x40 +#define SCR_EN_NOTIFY 0x20 +#define SCR_ACK_NOTIFY 0x10 +#define SCR_READER_TO_HOST_DONE 0x08 +#define SCR_HOST_TO_READER_DONE 0x04 +#define SCR_PULSE_INTERRUPT 0x02 +#define SCR_POWER_DOWN 0x01 + + +#define CMD_PC_TO_RDR_ICCPOWERON 0x62 +#define CMD_PC_TO_RDR_GETSLOTSTATUS 0x65 +#define CMD_PC_TO_RDR_ICCPOWEROFF 0x63 +#define CMD_PC_TO_RDR_SECURE 0x69 +#define CMD_PC_TO_RDR_GETPARAMETERS 0x6C +#define CMD_PC_TO_RDR_RESETPARAMETERS 0x6D +#define CMD_PC_TO_RDR_SETPARAMETERS 0x61 +#define CMD_PC_TO_RDR_XFRBLOCK 0x6F +#define CMD_PC_TO_RDR_ESCAPE 0x6B +#define CMD_PC_TO_RDR_ICCCLOCK 0x6E +#define CMD_PC_TO_RDR_TEST_SECURE 0x74 +#define CMD_PC_TO_RDR_OK_SECURE 0x89 + + +#define CMD_RDR_TO_PC_SLOTSTATUS 0x81 +#define CMD_RDR_TO_PC_DATABLOCK 0x80 +#define CMD_RDR_TO_PC_PARAMETERS 0x82 +#define CMD_RDR_TO_PC_ESCAPE 0x83 +#define CMD_RDR_TO_PC_OK_SECURE 0x89 + +#endif /* _CM4040_H_ */ diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c index d724c0d..3df7a57 100644 --- a/drivers/char/s3c2410-rtc.c +++ b/drivers/char/s3c2410-rtc.c @@ -382,7 +382,7 @@ static struct rtc_ops s3c2410_rtcops = { .proc = s3c2410_rtc_proc, }; -static void s3c2410_rtc_enable(struct device *dev, int en) +static void s3c2410_rtc_enable(struct platform_device *pdev, int en) { unsigned int tmp; @@ -399,21 +399,21 @@ static void s3c2410_rtc_enable(struct device *dev, int en) /* re-enable the device, and check it is ok */ if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_RTCEN) == 0){ - dev_info(dev, "rtc disabled, re-enabling\n"); + dev_info(&pdev->dev, "rtc disabled, re-enabling\n"); tmp = readb(S3C2410_RTCCON); writeb(tmp | S3C2410_RTCCON_RTCEN , S3C2410_RTCCON); } if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_CNTSEL)){ - dev_info(dev, "removing S3C2410_RTCCON_CNTSEL\n"); + dev_info(&pdev->dev, "removing S3C2410_RTCCON_CNTSEL\n"); tmp = readb(S3C2410_RTCCON); writeb(tmp& ~S3C2410_RTCCON_CNTSEL , S3C2410_RTCCON); } if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_CLKRST)){ - dev_info(dev, "removing S3C2410_RTCCON_CLKRST\n"); + dev_info(&pdev->dev, "removing S3C2410_RTCCON_CLKRST\n"); tmp = readb(S3C2410_RTCCON); writeb(tmp & ~S3C2410_RTCCON_CLKRST, S3C2410_RTCCON); @@ -421,7 +421,7 @@ static void s3c2410_rtc_enable(struct device *dev, int en) } } -static int s3c2410_rtc_remove(struct device *dev) +static int s3c2410_rtc_remove(struct platform_device *dev) { unregister_rtc(&s3c2410_rtcops); @@ -438,25 +438,24 @@ static int s3c2410_rtc_remove(struct device *dev) return 0; } -static int s3c2410_rtc_probe(struct device *dev) +static int s3c2410_rtc_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); struct resource *res; int ret; - pr_debug("%s: probe=%p, device=%p\n", __FUNCTION__, pdev, dev); + pr_debug("%s: probe=%p\n", __FUNCTION__, pdev); /* find the IRQs */ s3c2410_rtc_tickno = platform_get_irq(pdev, 1); if (s3c2410_rtc_tickno <= 0) { - dev_err(dev, "no irq for rtc tick\n"); + dev_err(&pdev->dev, "no irq for rtc tick\n"); return -ENOENT; } s3c2410_rtc_alarmno = platform_get_irq(pdev, 0); if (s3c2410_rtc_alarmno <= 0) { - dev_err(dev, "no irq for alarm\n"); + dev_err(&pdev->dev, "no irq for alarm\n"); return -ENOENT; } @@ -467,7 +466,7 @@ static int s3c2410_rtc_probe(struct device *dev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (res == NULL) { - dev_err(dev, "failed to get memory region resource\n"); + dev_err(&pdev->dev, "failed to get memory region resource\n"); return -ENOENT; } @@ -475,14 +474,14 @@ static int s3c2410_rtc_probe(struct device *dev) pdev->name); if (s3c2410_rtc_mem == NULL) { - dev_err(dev, "failed to reserve memory region\n"); + dev_err(&pdev->dev, "failed to reserve memory region\n"); ret = -ENOENT; goto exit_err; } s3c2410_rtc_base = ioremap(res->start, res->end - res->start + 1); if (s3c2410_rtc_base == NULL) { - dev_err(dev, "failed ioremap()\n"); + dev_err(&pdev->dev, "failed ioremap()\n"); ret = -EINVAL; goto exit_err; } @@ -494,7 +493,7 @@ static int s3c2410_rtc_probe(struct device *dev) /* check to see if everything is setup correctly */ - s3c2410_rtc_enable(dev, 1); + s3c2410_rtc_enable(pdev, 1); pr_debug("s3c2410_rtc: RTCCON=%02x\n", readb(S3C2410_RTCCON)); @@ -506,7 +505,7 @@ static int s3c2410_rtc_probe(struct device *dev) return 0; exit_err: - dev_err(dev, "error %d during initialisation\n", ret); + dev_err(&pdev->dev, "error %d during initialisation\n", ret); return ret; } @@ -519,7 +518,7 @@ static struct timespec s3c2410_rtc_delta; static int ticnt_save; -static int s3c2410_rtc_suspend(struct device *dev, pm_message_t state) +static int s3c2410_rtc_suspend(struct platform_device *pdev, pm_message_t state) { struct rtc_time tm; struct timespec time; @@ -535,19 +534,19 @@ static int s3c2410_rtc_suspend(struct device *dev, pm_message_t state) s3c2410_rtc_gettime(&tm); rtc_tm_to_time(&tm, &time.tv_sec); save_time_delta(&s3c2410_rtc_delta, &time); - s3c2410_rtc_enable(dev, 0); + s3c2410_rtc_enable(pdev, 0); return 0; } -static int s3c2410_rtc_resume(struct device *dev) +static int s3c2410_rtc_resume(struct platform_device *pdev) { struct rtc_time tm; struct timespec time; time.tv_nsec = 0; - s3c2410_rtc_enable(dev, 1); + s3c2410_rtc_enable(pdev, 1); s3c2410_rtc_gettime(&tm); rtc_tm_to_time(&tm, &time.tv_sec); restore_time_delta(&s3c2410_rtc_delta, &time); @@ -560,14 +559,15 @@ static int s3c2410_rtc_resume(struct device *dev) #define s3c2410_rtc_resume NULL #endif -static struct device_driver s3c2410_rtcdrv = { - .name = "s3c2410-rtc", - .owner = THIS_MODULE, - .bus = &platform_bus_type, +static struct platform_driver s3c2410_rtcdrv = { .probe = s3c2410_rtc_probe, .remove = s3c2410_rtc_remove, .suspend = s3c2410_rtc_suspend, .resume = s3c2410_rtc_resume, + .driver = { + .name = "s3c2410-rtc", + .owner = THIS_MODULE, + }, }; static char __initdata banner[] = "S3C2410 RTC, (c) 2004 Simtec Electronics\n"; @@ -575,12 +575,12 @@ static char __initdata banner[] = "S3C2410 RTC, (c) 2004 Simtec Electronics\n"; static int __init s3c2410_rtc_init(void) { printk(banner); - return driver_register(&s3c2410_rtcdrv); + return platform_driver_register(&s3c2410_rtcdrv); } static void __exit s3c2410_rtc_exit(void) { - driver_unregister(&s3c2410_rtcdrv); + platform_driver_unregister(&s3c2410_rtcdrv); } module_init(s3c2410_rtc_init); diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c index d05067d..51a0737 100644 --- a/drivers/char/sonypi.c +++ b/drivers/char/sonypi.c @@ -1168,7 +1168,7 @@ static int sonypi_disable(void) #ifdef CONFIG_PM static int old_camera_power; -static int sonypi_suspend(struct device *dev, pm_message_t state) +static int sonypi_suspend(struct platform_device *dev, pm_message_t state) { old_camera_power = sonypi_device.camera_power; sonypi_disable(); @@ -1176,26 +1176,27 @@ static int sonypi_suspend(struct device *dev, pm_message_t state) return 0; } -static int sonypi_resume(struct device *dev) +static int sonypi_resume(struct platform_device *dev) { sonypi_enable(old_camera_power); return 0; } #endif -static void sonypi_shutdown(struct device *dev) +static void sonypi_shutdown(struct platform_device *dev) { sonypi_disable(); } -static struct device_driver sonypi_driver = { - .name = "sonypi", - .bus = &platform_bus_type, +static struct platform_driver sonypi_driver = { #ifdef CONFIG_PM .suspend = sonypi_suspend, .resume = sonypi_resume, #endif .shutdown = sonypi_shutdown, + .driver = { + .name = "sonypi", + }, }; static int __devinit sonypi_create_input_devices(void) @@ -1455,20 +1456,20 @@ static int __init sonypi_init(void) if (!dmi_check_system(sonypi_dmi_table)) return -ENODEV; - ret = driver_register(&sonypi_driver); + ret = platform_driver_register(&sonypi_driver); if (ret) return ret; ret = sonypi_probe(); if (ret) - driver_unregister(&sonypi_driver); + platform_driver_unregister(&sonypi_driver); return ret; } static void __exit sonypi_exit(void) { - driver_unregister(&sonypi_driver); + platform_driver_unregister(&sonypi_driver); sonypi_remove(); } diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c index 5d1ffa3..62aa0e5 100644 --- a/drivers/char/synclink.c +++ b/drivers/char/synclink.c @@ -1,7 +1,7 @@ /* * linux/drivers/char/synclink.c * - * $Id: synclink.c,v 4.37 2005/09/07 13:13:19 paulkf Exp $ + * $Id: synclink.c,v 4.38 2005/11/07 16:30:34 paulkf Exp $ * * Device driver for Microgate SyncLink ISA and PCI * high speed multiprotocol serial adapters. @@ -101,6 +101,7 @@ #include <linux/termios.h> #include <linux/workqueue.h> #include <linux/hdlc.h> +#include <linux/dma-mapping.h> #ifdef CONFIG_HDLC_MODULE #define CONFIG_HDLC 1 @@ -148,6 +149,7 @@ typedef struct _DMABUFFERENTRY u32 link; /* 32-bit flat link to next buffer entry */ char *virt_addr; /* virtual address of data buffer */ u32 phys_entry; /* physical address of this buffer entry */ + dma_addr_t dma_addr; } DMABUFFERENTRY, *DMAPBUFFERENTRY; /* The queue of BH actions to be performed */ @@ -233,7 +235,8 @@ struct mgsl_struct { int ri_chkcount; char *buffer_list; /* virtual address of Rx & Tx buffer lists */ - unsigned long buffer_list_phys; + u32 buffer_list_phys; + dma_addr_t buffer_list_dma_addr; unsigned int rx_buffer_count; /* count of total allocated Rx buffers */ DMABUFFERENTRY *rx_buffer_list; /* list of receive buffer entries */ @@ -896,7 +899,7 @@ module_param_array(txdmabufs, int, NULL, 0); module_param_array(txholdbufs, int, NULL, 0); static char *driver_name = "SyncLink serial driver"; -static char *driver_version = "$Revision: 4.37 $"; +static char *driver_version = "$Revision: 4.38 $"; static int synclink_init_one (struct pci_dev *dev, const struct pci_device_id *ent); @@ -912,7 +915,6 @@ MODULE_DEVICE_TABLE(pci, synclink_pci_tbl); MODULE_LICENSE("GPL"); static struct pci_driver synclink_pci_driver = { - .owner = THIS_MODULE, .name = "synclink", .id_table = synclink_pci_tbl, .probe = synclink_init_one, @@ -3812,11 +3814,10 @@ static int mgsl_alloc_buffer_list_memory( struct mgsl_struct *info ) /* inspect portions of the buffer while other portions are being */ /* updated by the adapter using Bus Master DMA. */ - info->buffer_list = kmalloc(BUFFERLISTSIZE, GFP_KERNEL | GFP_DMA); - if ( info->buffer_list == NULL ) + info->buffer_list = dma_alloc_coherent(NULL, BUFFERLISTSIZE, &info->buffer_list_dma_addr, GFP_KERNEL); + if (info->buffer_list == NULL) return -ENOMEM; - - info->buffer_list_phys = isa_virt_to_bus(info->buffer_list); + info->buffer_list_phys = (u32)(info->buffer_list_dma_addr); } /* We got the memory for the buffer entry lists. */ @@ -3883,8 +3884,8 @@ static int mgsl_alloc_buffer_list_memory( struct mgsl_struct *info ) */ static void mgsl_free_buffer_list_memory( struct mgsl_struct *info ) { - if ( info->buffer_list && info->bus_type != MGSL_BUS_TYPE_PCI ) - kfree(info->buffer_list); + if (info->buffer_list && info->bus_type != MGSL_BUS_TYPE_PCI) + dma_free_coherent(NULL, BUFFERLISTSIZE, info->buffer_list, info->buffer_list_dma_addr); info->buffer_list = NULL; info->rx_buffer_list = NULL; @@ -3911,7 +3912,7 @@ static void mgsl_free_buffer_list_memory( struct mgsl_struct *info ) static int mgsl_alloc_frame_memory(struct mgsl_struct *info,DMABUFFERENTRY *BufferList,int Buffercount) { int i; - unsigned long phys_addr; + u32 phys_addr; /* Allocate page sized buffers for the receive buffer list */ @@ -3923,11 +3924,10 @@ static int mgsl_alloc_frame_memory(struct mgsl_struct *info,DMABUFFERENTRY *Buff info->last_mem_alloc += DMABUFFERSIZE; } else { /* ISA adapter uses system memory. */ - BufferList[i].virt_addr = - kmalloc(DMABUFFERSIZE, GFP_KERNEL | GFP_DMA); - if ( BufferList[i].virt_addr == NULL ) + BufferList[i].virt_addr = dma_alloc_coherent(NULL, DMABUFFERSIZE, &BufferList[i].dma_addr, GFP_KERNEL); + if (BufferList[i].virt_addr == NULL) return -ENOMEM; - phys_addr = isa_virt_to_bus(BufferList[i].virt_addr); + phys_addr = (u32)(BufferList[i].dma_addr); } BufferList[i].phys_addr = phys_addr; } @@ -3958,7 +3958,7 @@ static void mgsl_free_frame_memory(struct mgsl_struct *info, DMABUFFERENTRY *Buf for ( i = 0 ; i < Buffercount ; i++ ) { if ( BufferList[i].virt_addr ) { if ( info->bus_type != MGSL_BUS_TYPE_PCI ) - kfree(BufferList[i].virt_addr); + dma_free_coherent(NULL, DMABUFFERSIZE, BufferList[i].virt_addr, BufferList[i].dma_addr); BufferList[i].virt_addr = NULL; } } diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c index 7c063c5..ee5a40b 100644 --- a/drivers/char/synclinkmp.c +++ b/drivers/char/synclinkmp.c @@ -500,7 +500,6 @@ MODULE_DEVICE_TABLE(pci, synclinkmp_pci_tbl); MODULE_LICENSE("GPL"); static struct pci_driver synclinkmp_pci_driver = { - .owner = THIS_MODULE, .name = "synclinkmp", .id_table = synclinkmp_pci_tbl, .probe = synclinkmp_init_one, diff --git a/drivers/char/tb0219.c b/drivers/char/tb0219.c index 24355b2..b3d411a 100644 --- a/drivers/char/tb0219.c +++ b/drivers/char/tb0219.c @@ -283,7 +283,7 @@ static void tb0219_pci_irq_init(void) vr41xx_set_irq_level(TB0219_PCI_SLOT3_PIN, IRQ_LEVEL_LOW); } -static int tb0219_probe(struct device *dev) +static int tb0219_probe(struct platform_device *dev) { int retval; @@ -319,7 +319,7 @@ static int tb0219_probe(struct device *dev) return 0; } -static int tb0219_remove(struct device *dev) +static int tb0219_remove(struct platform_device *dev) { _machine_restart = old_machine_restart; @@ -333,11 +333,12 @@ static int tb0219_remove(struct device *dev) static struct platform_device *tb0219_platform_device; -static struct device_driver tb0219_device_driver = { - .name = "TB0219", - .bus = &platform_bus_type, +static struct platform_driver tb0219_device_driver = { .probe = tb0219_probe, .remove = tb0219_remove, + .driver = { + .name = "TB0219", + }, }; static int __devinit tanbac_tb0219_init(void) @@ -348,7 +349,7 @@ static int __devinit tanbac_tb0219_init(void) if (IS_ERR(tb0219_platform_device)) return PTR_ERR(tb0219_platform_device); - retval = driver_register(&tb0219_device_driver); + retval = platform_driver_register(&tb0219_device_driver); if (retval < 0) platform_device_unregister(tb0219_platform_device); @@ -357,7 +358,7 @@ static int __devinit tanbac_tb0219_init(void) static void __devexit tanbac_tb0219_exit(void) { - driver_unregister(&tb0219_device_driver); + platform_driver_unregister(&tb0219_device_driver); platform_device_unregister(tb0219_platform_device); } diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig index b58adfe..a6873bf 100644 --- a/drivers/char/tpm/Kconfig +++ b/drivers/char/tpm/Kconfig @@ -6,7 +6,7 @@ menu "TPM devices" config TCG_TPM tristate "TPM Hardware Support" - depends on EXPERIMENTAL && PCI + depends on EXPERIMENTAL ---help--- If you have a TPM security chip in your system, which implements the Trusted Computing Group's specification, diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 303f158..a9be0e8 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -43,6 +43,13 @@ static void user_reader_timeout(unsigned long ptr) { struct tpm_chip *chip = (struct tpm_chip *) ptr; + schedule_work(&chip->work); +} + +static void timeout_work(void * ptr) +{ + struct tpm_chip *chip = ptr; + down(&chip->buffer_mutex); atomic_set(&chip->data_pending, 0); memset(chip->data_buffer, 0, TPM_BUFSIZE); @@ -370,6 +377,7 @@ int tpm_release(struct inode *inode, struct file *file) file->private_data = NULL; chip->num_opens--; del_singleshot_timer_sync(&chip->user_read_timer); + flush_scheduled_work(); atomic_set(&chip->data_pending, 0); put_device(chip->dev); kfree(chip->data_buffer); @@ -421,6 +429,7 @@ ssize_t tpm_read(struct file * file, char __user *buf, int ret_size; del_singleshot_timer_sync(&chip->user_read_timer); + flush_scheduled_work(); ret_size = atomic_read(&chip->data_pending); atomic_set(&chip->data_pending, 0); if (ret_size > 0) { /* relay data */ @@ -428,8 +437,7 @@ ssize_t tpm_read(struct file * file, char __user *buf, ret_size = size; down(&chip->buffer_mutex); - if (copy_to_user - ((void __user *) buf, chip->data_buffer, ret_size)) + if (copy_to_user(buf, chip->data_buffer, ret_size)) ret_size = -EFAULT; up(&chip->buffer_mutex); } @@ -460,7 +468,7 @@ void tpm_remove_hardware(struct device *dev) sysfs_remove_group(&dev->kobj, chip->vendor->attr_group); dev_mask[chip->dev_num / TPM_NUM_MASK_ENTRIES ] &= - !(1 << (chip->dev_num % TPM_NUM_MASK_ENTRIES)); + ~(1 << (chip->dev_num % TPM_NUM_MASK_ENTRIES)); kfree(chip); @@ -528,6 +536,8 @@ int tpm_register_hardware(struct device *dev, struct tpm_vendor_specific *entry) init_MUTEX(&chip->tpm_mutex); INIT_LIST_HEAD(&chip->list); + INIT_WORK(&chip->work, timeout_work, chip); + init_timer(&chip->user_read_timer); chip->user_read_timer.function = user_reader_timeout; chip->user_read_timer.data = (unsigned long) chip; diff --git a/drivers/char/tpm/tpm.h b/drivers/char/tpm/tpm.h index 9293bcc..159882c 100644 --- a/drivers/char/tpm/tpm.h +++ b/drivers/char/tpm/tpm.h @@ -50,7 +50,11 @@ struct tpm_vendor_specific { u8 req_complete_mask; u8 req_complete_val; u8 req_canceled; - u16 base; /* TPM base address */ + void __iomem *iobase; /* ioremapped address */ + unsigned long base; /* TPM base address */ + + int region_size; + int have_region; int (*recv) (struct tpm_chip *, u8 *, size_t); int (*send) (struct tpm_chip *, u8 *, size_t); @@ -73,6 +77,7 @@ struct tpm_chip { struct semaphore buffer_mutex; struct timer_list user_read_timer; /* user needs to claim result */ + struct work_struct work; struct semaphore tpm_mutex; /* tpm is processing */ struct tpm_vendor_specific *vendor; diff --git a/drivers/char/tpm/tpm_atmel.c b/drivers/char/tpm/tpm_atmel.c index 32e0145..ff36549 100644 --- a/drivers/char/tpm/tpm_atmel.c +++ b/drivers/char/tpm/tpm_atmel.c @@ -19,14 +19,8 @@ * */ -#include <linux/platform_device.h> #include "tpm.h" - -/* Atmel definitions */ -enum tpm_atmel_addr { - TPM_ATMEL_BASE_ADDR_LO = 0x08, - TPM_ATMEL_BASE_ADDR_HI = 0x09 -}; +#include "tpm_atmel.h" /* write status bits */ enum tpm_atmel_write_status { @@ -53,13 +47,12 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count) return -EIO; for (i = 0; i < 6; i++) { - status = inb(chip->vendor->base + 1); + status = ioread8(chip->vendor->iobase + 1); if ((status & ATML_STATUS_DATA_AVAIL) == 0) { - dev_err(chip->dev, - "error reading header\n"); + dev_err(chip->dev, "error reading header\n"); return -EIO; } - *buf++ = inb(chip->vendor->base); + *buf++ = ioread8(chip->vendor->iobase); } /* size of the data received */ @@ -70,10 +63,9 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count) dev_err(chip->dev, "Recv size(%d) less than available space\n", size); for (; i < size; i++) { /* clear the waiting data anyway */ - status = inb(chip->vendor->base + 1); + status = ioread8(chip->vendor->iobase + 1); if ((status & ATML_STATUS_DATA_AVAIL) == 0) { - dev_err(chip->dev, - "error reading data\n"); + dev_err(chip->dev, "error reading data\n"); return -EIO; } } @@ -82,17 +74,17 @@ static int tpm_atml_recv(struct tpm_chip *chip, u8 *buf, size_t count) /* read all the data available */ for (; i < size; i++) { - status = inb(chip->vendor->base + 1); + status = ioread8(chip->vendor->iobase + 1); if ((status & ATML_STATUS_DATA_AVAIL) == 0) { - dev_err(chip->dev, - "error reading data\n"); + dev_err(chip->dev, "error reading data\n"); return -EIO; } - *buf++ = inb(chip->vendor->base); + *buf++ = ioread8(chip->vendor->iobase); } /* make sure data available is gone */ - status = inb(chip->vendor->base + 1); + status = ioread8(chip->vendor->iobase + 1); + if (status & ATML_STATUS_DATA_AVAIL) { dev_err(chip->dev, "data available is stuck\n"); return -EIO; @@ -108,7 +100,7 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count) dev_dbg(chip->dev, "tpm_atml_send:\n"); for (i = 0; i < count; i++) { dev_dbg(chip->dev, "%d 0x%x(%d)\n", i, buf[i], buf[i]); - outb(buf[i], chip->vendor->base); + iowrite8(buf[i], chip->vendor->iobase); } return count; @@ -116,12 +108,12 @@ static int tpm_atml_send(struct tpm_chip *chip, u8 *buf, size_t count) static void tpm_atml_cancel(struct tpm_chip *chip) { - outb(ATML_STATUS_ABORT, chip->vendor->base + 1); + iowrite8(ATML_STATUS_ABORT, chip->vendor->iobase + 1); } static u8 tpm_atml_status(struct tpm_chip *chip) { - return inb(chip->vendor->base + 1); + return ioread8(chip->vendor->iobase + 1); } static struct file_operations atmel_ops = { @@ -162,12 +154,17 @@ static struct tpm_vendor_specific tpm_atmel = { static struct platform_device *pdev; -static void __devexit tpm_atml_remove(struct device *dev) +static void atml_plat_remove(void) { - struct tpm_chip *chip = dev_get_drvdata(dev); + struct tpm_chip *chip = dev_get_drvdata(&pdev->dev); + if (chip) { - release_region(chip->vendor->base, 2); + if (chip->vendor->have_region) + atmel_release_region(chip->vendor->base, + chip->vendor->region_size); + atmel_put_base_addr(chip->vendor); tpm_remove_hardware(chip->dev); + platform_device_unregister(pdev); } } @@ -182,72 +179,46 @@ static struct device_driver atml_drv = { static int __init init_atmel(void) { int rc = 0; - int lo, hi; driver_register(&atml_drv); - lo = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_LO); - hi = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_HI); - - tpm_atmel.base = (hi<<8)|lo; - - /* verify that it is an Atmel part */ - if (tpm_read_index(TPM_ADDR, 4) != 'A' || tpm_read_index(TPM_ADDR, 5) != 'T' - || tpm_read_index(TPM_ADDR, 6) != 'M' || tpm_read_index(TPM_ADDR, 7) != 'L') { - return -ENODEV; + if ((tpm_atmel.iobase = atmel_get_base_addr(&tpm_atmel)) == NULL) { + rc = -ENODEV; + goto err_unreg_drv; } - /* verify chip version number is 1.1 */ - if ( (tpm_read_index(TPM_ADDR, 0x00) != 0x01) || - (tpm_read_index(TPM_ADDR, 0x01) != 0x01 )) - return -ENODEV; - - pdev = kzalloc(sizeof(struct platform_device), GFP_KERNEL); - if ( !pdev ) - return -ENOMEM; - - pdev->name = "tpm_atmel0"; - pdev->id = -1; - pdev->num_resources = 0; - pdev->dev.release = tpm_atml_remove; - pdev->dev.driver = &atml_drv; - - if ((rc = platform_device_register(pdev)) < 0) { - kfree(pdev); - pdev = NULL; - return rc; - } + tpm_atmel.have_region = + (atmel_request_region + (tpm_atmel.base, tpm_atmel.region_size, + "tpm_atmel0") == NULL) ? 0 : 1; - if (request_region(tpm_atmel.base, 2, "tpm_atmel0") == NULL ) { - platform_device_unregister(pdev); - kfree(pdev); - pdev = NULL; - return -EBUSY; + if (IS_ERR + (pdev = + platform_device_register_simple("tpm_atmel", -1, NULL, 0))) { + rc = PTR_ERR(pdev); + goto err_rel_reg; } - if ((rc = tpm_register_hardware(&pdev->dev, &tpm_atmel)) < 0) { - release_region(tpm_atmel.base, 2); - platform_device_unregister(pdev); - kfree(pdev); - pdev = NULL; - return rc; - } - - dev_info(&pdev->dev, "Atmel TPM 1.1, Base Address: 0x%x\n", - tpm_atmel.base); + if ((rc = tpm_register_hardware(&pdev->dev, &tpm_atmel)) < 0) + goto err_unreg_dev; return 0; + +err_unreg_dev: + platform_device_unregister(pdev); +err_rel_reg: + atmel_put_base_addr(&tpm_atmel); + if (tpm_atmel.have_region) + atmel_release_region(tpm_atmel.base, + tpm_atmel.region_size); +err_unreg_drv: + driver_unregister(&atml_drv); + return rc; } static void __exit cleanup_atmel(void) { - if (pdev) { - tpm_atml_remove(&pdev->dev); - platform_device_unregister(pdev); - kfree(pdev); - pdev = NULL; - } - driver_unregister(&atml_drv); + atml_plat_remove(); } module_init(init_atmel); diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h new file mode 100644 index 0000000..d3478aa --- /dev/null +++ b/drivers/char/tpm/tpm_atmel.h @@ -0,0 +1,131 @@ +/* + * Copyright (C) 2005 IBM Corporation + * + * Authors: + * Kylene Hall <kjhall@us.ibm.com> + * + * Maintained by: <tpmdd_devel@lists.sourceforge.net> + * + * Device driver for TCG/TCPA TPM (trusted platform module). + * Specifications at www.trustedcomputinggroup.org + * + * 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, version 2 of the + * License. + * + * These difference are required on power because the device must be + * discovered through the device tree and iomap must be used to get + * around the need for holes in the io_page_mask. This does not happen + * automatically because the tpm is not a normal pci device and lives + * under the root node. + * + */ + +#ifdef CONFIG_PPC64 +#define atmel_getb(chip, offset) readb(chip->vendor->iobase + offset); +#define atmel_putb(val, chip, offset) writeb(val, chip->vendor->iobase + offset) +#define atmel_request_region request_mem_region +#define atmel_release_region release_mem_region + +static inline void atmel_put_base_addr(struct tpm_vendor_specific + *vendor) +{ + iounmap(vendor->iobase); +} + +static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific *vendor) +{ + struct device_node *dn; + unsigned long address, size; + unsigned int *reg; + int reglen; + int naddrc; + int nsizec; + + dn = of_find_node_by_name(NULL, "tpm"); + + if (!dn) + return NULL; + + if (!device_is_compatible(dn, "AT97SC3201")) { + of_node_put(dn); + return NULL; + } + + reg = (unsigned int *) get_property(dn, "reg", ®len); + naddrc = prom_n_addr_cells(dn); + nsizec = prom_n_size_cells(dn); + + of_node_put(dn); + + + if (naddrc == 2) + address = ((unsigned long) reg[0] << 32) | reg[1]; + else + address = reg[0]; + + if (nsizec == 2) + size = + ((unsigned long) reg[naddrc] << 32) | reg[naddrc + 1]; + else + size = reg[naddrc]; + + vendor->base = address; + vendor->region_size = size; + return ioremap(vendor->base, vendor->region_size); +} +#else +#define atmel_getb(chip, offset) inb(chip->vendor->base + offset) +#define atmel_putb(val, chip, offset) outb(val, chip->vendor->base + offset) +#define atmel_request_region request_region +#define atmel_release_region release_region +/* Atmel definitions */ +enum tpm_atmel_addr { + TPM_ATMEL_BASE_ADDR_LO = 0x08, + TPM_ATMEL_BASE_ADDR_HI = 0x09 +}; + +/* Verify this is a 1.1 Atmel TPM */ +static int atmel_verify_tpm11(void) +{ + + /* verify that it is an Atmel part */ + if (tpm_read_index(TPM_ADDR, 4) != 'A' || + tpm_read_index(TPM_ADDR, 5) != 'T' || + tpm_read_index(TPM_ADDR, 6) != 'M' || + tpm_read_index(TPM_ADDR, 7) != 'L') + return 1; + + /* query chip for its version number */ + if (tpm_read_index(TPM_ADDR, 0x00) != 1 || + tpm_read_index(TPM_ADDR, 0x01) != 1) + return 1; + + /* This is an atmel supported part */ + return 0; +} + +static inline void atmel_put_base_addr(struct tpm_vendor_specific + *vendor) +{ +} + +/* Determine where to talk to device */ +static void __iomem * atmel_get_base_addr(struct tpm_vendor_specific + *vendor) +{ + int lo, hi; + + if (atmel_verify_tpm11() != 0) + return NULL; + + lo = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_LO); + hi = tpm_read_index(TPM_ADDR, TPM_ATMEL_BASE_ADDR_HI); + + vendor->base = (hi << 8) | lo; + vendor->region_size = 2; + + return ioport_map(vendor->base, vendor->region_size); +} +#endif diff --git a/drivers/char/vc_screen.c b/drivers/char/vc_screen.c index f66c7ad..3c1dafa 100644 --- a/drivers/char/vc_screen.c +++ b/drivers/char/vc_screen.c @@ -419,7 +419,7 @@ vcs_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) while (this_round > 1) { unsigned short w; - w = get_unaligned(((const unsigned short *)con_buf0)); + w = get_unaligned(((unsigned short *)con_buf0)); vcs_scr_writew(vc, w, org++); con_buf0 += 2; this_round -= 2; diff --git a/drivers/char/vr41xx_giu.c b/drivers/char/vr41xx_giu.c index 9464108..9ac6d43 100644 --- a/drivers/char/vr41xx_giu.c +++ b/drivers/char/vr41xx_giu.c @@ -613,7 +613,7 @@ static struct file_operations gpio_fops = { .release = gpio_release, }; -static int giu_probe(struct device *dev) +static int giu_probe(struct platform_device *dev) { unsigned long start, size, flags = 0; unsigned int nr_pins = 0; @@ -697,7 +697,7 @@ static int giu_probe(struct device *dev) return cascade_irq(GIUINT_IRQ, giu_get_irq); } -static int giu_remove(struct device *dev) +static int giu_remove(struct platform_device *dev) { iounmap(giu_base); @@ -710,11 +710,12 @@ static int giu_remove(struct device *dev) static struct platform_device *giu_platform_device; -static struct device_driver giu_device_driver = { - .name = "GIU", - .bus = &platform_bus_type, +static struct platform_driver giu_device_driver = { .probe = giu_probe, .remove = giu_remove, + .driver = { + .name = "GIU", + }, }; static int __devinit vr41xx_giu_init(void) @@ -725,7 +726,7 @@ static int __devinit vr41xx_giu_init(void) if (IS_ERR(giu_platform_device)) return PTR_ERR(giu_platform_device); - retval = driver_register(&giu_device_driver); + retval = platform_driver_register(&giu_device_driver); if (retval < 0) platform_device_unregister(giu_platform_device); @@ -734,7 +735,7 @@ static int __devinit vr41xx_giu_init(void) static void __devexit vr41xx_giu_exit(void) { - driver_unregister(&giu_device_driver); + platform_driver_unregister(&giu_device_driver); platform_device_unregister(giu_platform_device); } diff --git a/drivers/char/vr41xx_rtc.c b/drivers/char/vr41xx_rtc.c index 5e3292d..435b307 100644 --- a/drivers/char/vr41xx_rtc.c +++ b/drivers/char/vr41xx_rtc.c @@ -560,13 +560,11 @@ static struct miscdevice rtc_miscdevice = { .fops = &rtc_fops, }; -static int rtc_probe(struct device *dev) +static int rtc_probe(struct platform_device *pdev) { - struct platform_device *pdev; unsigned int irq; int retval; - pdev = to_platform_device(dev); if (pdev->num_resources != 2) return -EBUSY; @@ -635,7 +633,7 @@ static int rtc_probe(struct device *dev) return 0; } -static int rtc_remove(struct device *dev) +static int rtc_remove(struct platform_device *dev) { int retval; @@ -655,11 +653,12 @@ static int rtc_remove(struct device *dev) static struct platform_device *rtc_platform_device; -static struct device_driver rtc_device_driver = { - .name = rtc_name, - .bus = &platform_bus_type, +static struct platform_driver rtc_device_driver = { .probe = rtc_probe, .remove = rtc_remove, + .driver = { + .name = rtc_name, + }, }; static int __devinit vr41xx_rtc_init(void) @@ -691,7 +690,7 @@ static int __devinit vr41xx_rtc_init(void) if (IS_ERR(rtc_platform_device)) return PTR_ERR(rtc_platform_device); - retval = driver_register(&rtc_device_driver); + retval = platform_driver_register(&rtc_device_driver); if (retval < 0) platform_device_unregister(rtc_platform_device); @@ -700,7 +699,7 @@ static int __devinit vr41xx_rtc_init(void) static void __devexit vr41xx_rtc_exit(void) { - driver_unregister(&rtc_device_driver); + platform_driver_unregister(&rtc_device_driver); platform_device_unregister(rtc_platform_device); } diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c index abc30cc..b664060 100644 --- a/drivers/char/watchdog/booke_wdt.c +++ b/drivers/char/watchdog/booke_wdt.c @@ -4,7 +4,7 @@ * Watchdog timer for PowerPC Book-E systems * * Author: Matthew McClintock - * Maintainer: Kumar Gala <kumar.gala@freescale.com> + * Maintainer: Kumar Gala <galak@kernel.crashing.org> * * Copyright 2005 Freescale Semiconductor Inc. * @@ -72,7 +72,7 @@ static __inline__ void booke_wdt_ping(void) /* * booke_wdt_write: */ -static ssize_t booke_wdt_write (struct file *file, const char *buf, +static ssize_t booke_wdt_write (struct file *file, const char __user *buf, size_t count, loff_t *ppos) { booke_wdt_ping(); @@ -92,14 +92,15 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { u32 tmp = 0; + u32 __user *p = (u32 __user *)arg; switch (cmd) { case WDIOC_GETSUPPORT: - if (copy_to_user ((struct watchdog_info *) arg, &ident, + if (copy_to_user ((struct watchdog_info __user *) arg, &ident, sizeof(struct watchdog_info))) return -EFAULT; case WDIOC_GETSTATUS: - return put_user(ident.options, (u32 *) arg); + return put_user(ident.options, p); case WDIOC_GETBOOTSTATUS: /* XXX: something is clearing TSR */ tmp = mfspr(SPRN_TSR) & TSR_WRS(3); @@ -109,14 +110,14 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file, booke_wdt_ping(); return 0; case WDIOC_SETTIMEOUT: - if (get_user(booke_wdt_period, (u32 *) arg)) + if (get_user(booke_wdt_period, p)) return -EFAULT; mtspr(SPRN_TCR, (mfspr(SPRN_TCR)&~WDTP(0))|WDTP(booke_wdt_period)); return 0; case WDIOC_GETTIMEOUT: - return put_user(booke_wdt_period, (u32 *) arg); + return put_user(booke_wdt_period, p); case WDIOC_SETOPTIONS: - if (get_user(tmp, (u32 *) arg)) + if (get_user(tmp, p)) return -EINVAL; if (tmp == WDIOS_ENABLECARD) { booke_wdt_ping(); @@ -172,7 +173,7 @@ static int __init booke_wdt_init(void) int ret = 0; printk (KERN_INFO "PowerPC Book-E Watchdog Timer Loaded\n"); - ident.firmware_version = cpu_specs[0].pvr_value; + ident.firmware_version = cur_cpu_spec->pvr_value; ret = misc_register(&booke_wdt_miscdev); if (ret) { diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c index da631c1..b4d8434 100644 --- a/drivers/char/watchdog/mpcore_wdt.c +++ b/drivers/char/watchdog/mpcore_wdt.c @@ -139,7 +139,7 @@ static int mpcore_wdt_set_heartbeat(int t) */ static int mpcore_wdt_open(struct inode *inode, struct file *file) { - struct mpcore_wdt *wdt = dev_get_drvdata(&mpcore_wdt_dev->dev); + struct mpcore_wdt *wdt = platform_get_drvdata(mpcore_wdt_dev); if (test_and_set_bit(0, &wdt->timer_alive)) return -EBUSY; @@ -180,10 +180,6 @@ static ssize_t mpcore_wdt_write(struct file *file, const char *data, size_t len, { struct mpcore_wdt *wdt = file->private_data; - /* Can't seek (pwrite) on this device */ - if (ppos != &file->f_pos) - return -ESPIPE; - /* * Refresh the timer. */ @@ -291,9 +287,9 @@ static int mpcore_wdt_ioctl(struct inode *inode, struct file *file, * System shutdown handler. Turn off the watchdog if we're * restarting or halting the system. */ -static void mpcore_wdt_shutdown(struct device *_dev) +static void mpcore_wdt_shutdown(struct platform_device *dev) { - struct mpcore_wdt *wdt = dev_get_drvdata(_dev); + struct mpcore_wdt *wdt = platform_get_drvdata(dev); if (system_state == SYSTEM_RESTART || system_state == SYSTEM_HALT) mpcore_wdt_stop(wdt); @@ -317,9 +313,8 @@ static struct miscdevice mpcore_wdt_miscdev = { .fops = &mpcore_wdt_fops, }; -static int __devinit mpcore_wdt_probe(struct device *_dev) +static int __devinit mpcore_wdt_probe(struct platform_device *dev) { - struct platform_device *dev = to_platform_device(_dev); struct mpcore_wdt *wdt; struct resource *res; int ret; @@ -364,7 +359,7 @@ static int __devinit mpcore_wdt_probe(struct device *_dev) } mpcore_wdt_stop(wdt); - dev_set_drvdata(&dev->dev, wdt); + platform_set_drvdata(&dev->dev, wdt); mpcore_wdt_dev = dev; return 0; @@ -379,11 +374,11 @@ static int __devinit mpcore_wdt_probe(struct device *_dev) return ret; } -static int __devexit mpcore_wdt_remove(struct device *dev) +static int __devexit mpcore_wdt_remove(struct platform_device *dev) { - struct mpcore_wdt *wdt = dev_get_drvdata(dev); + struct mpcore_wdt *wdt = platform_get_drvdata(dev); - dev_set_drvdata(dev, NULL); + platform_set_drvdata(dev, NULL); misc_deregister(&mpcore_wdt_miscdev); @@ -395,13 +390,14 @@ static int __devexit mpcore_wdt_remove(struct device *dev) return 0; } -static struct device_driver mpcore_wdt_driver = { - .owner = THIS_MODULE, - .name = "mpcore_wdt", - .bus = &platform_bus_type, +static struct platform_driver mpcore_wdt_driver = { .probe = mpcore_wdt_probe, .remove = __devexit_p(mpcore_wdt_remove), .shutdown = mpcore_wdt_shutdown, + .driver = { + .owner = THIS_MODULE, + .name = "mpcore_wdt", + }, }; static char banner[] __initdata = KERN_INFO "MPcore Watchdog Timer: 0.1. mpcore_noboot=%d mpcore_margin=%d sec (nowayout= %d)\n"; @@ -420,12 +416,12 @@ static int __init mpcore_wdt_init(void) printk(banner, mpcore_noboot, mpcore_margin, nowayout); - return driver_register(&mpcore_wdt_driver); + return platform_driver_register(&mpcore_wdt_driver); } static void __exit mpcore_wdt_exit(void) { - driver_unregister(&mpcore_wdt_driver); + platform_driver_unregister(&mpcore_wdt_driver); } module_init(mpcore_wdt_init); diff --git a/drivers/char/watchdog/mv64x60_wdt.c b/drivers/char/watchdog/mv64x60_wdt.c index 119b3c5..00d9ef0 100644 --- a/drivers/char/watchdog/mv64x60_wdt.c +++ b/drivers/char/watchdog/mv64x60_wdt.c @@ -182,10 +182,9 @@ static struct miscdevice mv64x60_wdt_miscdev = { .fops = &mv64x60_wdt_fops, }; -static int __devinit mv64x60_wdt_probe(struct device *dev) +static int __devinit mv64x60_wdt_probe(struct platform_device *dev) { - struct platform_device *pd = to_platform_device(dev); - struct mv64x60_wdt_pdata *pdata = pd->dev.platform_data; + struct mv64x60_wdt_pdata *pdata = dev->dev.platform_data; int bus_clk = 133; mv64x60_wdt_timeout = 10; @@ -202,7 +201,7 @@ static int __devinit mv64x60_wdt_probe(struct device *dev) return misc_register(&mv64x60_wdt_miscdev); } -static int __devexit mv64x60_wdt_remove(struct device *dev) +static int __devexit mv64x60_wdt_remove(struct platform_device *dev) { misc_deregister(&mv64x60_wdt_miscdev); @@ -212,12 +211,13 @@ static int __devexit mv64x60_wdt_remove(struct device *dev) return 0; } -static struct device_driver mv64x60_wdt_driver = { - .owner = THIS_MODULE, - .name = MV64x60_WDT_NAME, - .bus = &platform_bus_type, +static struct platform_driver mv64x60_wdt_driver = { .probe = mv64x60_wdt_probe, .remove = __devexit_p(mv64x60_wdt_remove), + .driver = { + .owner = THIS_MODULE, + .name = MV64x60_WDT_NAME, + }, }; static struct platform_device *mv64x60_wdt_dev; @@ -235,14 +235,14 @@ static int __init mv64x60_wdt_init(void) goto out; } - ret = driver_register(&mv64x60_wdt_driver); + ret = platform_driver_register(&mv64x60_wdt_driver); out: return ret; } static void __exit mv64x60_wdt_exit(void) { - driver_unregister(&mv64x60_wdt_driver); + platform_driver_unregister(&mv64x60_wdt_driver); platform_device_unregister(mv64x60_wdt_dev); } diff --git a/drivers/char/watchdog/pcwd_pci.c b/drivers/char/watchdog/pcwd_pci.c index d9ef55b..2451edb 100644 --- a/drivers/char/watchdog/pcwd_pci.c +++ b/drivers/char/watchdog/pcwd_pci.c @@ -755,7 +755,6 @@ static struct pci_device_id pcipcwd_pci_tbl[] = { MODULE_DEVICE_TABLE(pci, pcipcwd_pci_tbl); static struct pci_driver pcipcwd_driver = { - .owner = THIS_MODULE, .name = WATCHDOG_NAME, .id_table = pcipcwd_pci_tbl, .probe = pcipcwd_card_init, diff --git a/drivers/char/watchdog/s3c2410_wdt.c b/drivers/char/watchdog/s3c2410_wdt.c index 751cb77..eb667da 100644 --- a/drivers/char/watchdog/s3c2410_wdt.c +++ b/drivers/char/watchdog/s3c2410_wdt.c @@ -347,15 +347,14 @@ static irqreturn_t s3c2410wdt_irq(int irqno, void *param, } /* device interface */ -static int s3c2410wdt_probe(struct device *dev) +static int s3c2410wdt_probe(struct platform_device *pdev) { - struct platform_device *pdev = to_platform_device(dev); struct resource *res; int started = 0; int ret; int size; - DBG("%s: probe=%p, device=%p\n", __FUNCTION__, pdev, dev); + DBG("%s: probe=%p\n", __FUNCTION__, pdev); /* get the memory region for the watchdog timer */ @@ -386,13 +385,13 @@ static int s3c2410wdt_probe(struct device *dev) return -ENOENT; } - ret = request_irq(res->start, s3c2410wdt_irq, 0, pdev->name, dev); + ret = request_irq(res->start, s3c2410wdt_irq, 0, pdev->name, pdev); if (ret != 0) { printk(KERN_INFO PFX "failed to install irq (%d)\n", ret); return ret; } - wdt_clock = clk_get(dev, "watchdog"); + wdt_clock = clk_get(&pdev->dev, "watchdog"); if (wdt_clock == NULL) { printk(KERN_INFO PFX "failed to find watchdog clock source\n"); return -ENOENT; @@ -430,7 +429,7 @@ static int s3c2410wdt_probe(struct device *dev) return 0; } -static int s3c2410wdt_remove(struct device *dev) +static int s3c2410wdt_remove(struct platform_device *dev) { if (wdt_mem != NULL) { release_resource(wdt_mem); @@ -454,7 +453,7 @@ static int s3c2410wdt_remove(struct device *dev) return 0; } -static void s3c2410wdt_shutdown(struct device *dev) +static void s3c2410wdt_shutdown(struct platform_device *dev) { s3c2410wdt_stop(); } @@ -464,7 +463,7 @@ static void s3c2410wdt_shutdown(struct device *dev) static unsigned long wtcon_save; static unsigned long wtdat_save; -static int s3c2410wdt_suspend(struct device *dev, pm_message_t state) +static int s3c2410wdt_suspend(struct platform_device *dev, pm_message_t state) { /* Save watchdog state, and turn it off. */ wtcon_save = readl(wdt_base + S3C2410_WTCON); @@ -476,7 +475,7 @@ static int s3c2410wdt_suspend(struct device *dev, pm_message_t state) return 0; } -static int s3c2410wdt_resume(struct device *dev) +static int s3c2410wdt_resume(struct platform_device *dev) { /* Restore watchdog state. */ @@ -496,15 +495,16 @@ static int s3c2410wdt_resume(struct device *dev) #endif /* CONFIG_PM */ -static struct device_driver s3c2410wdt_driver = { - .owner = THIS_MODULE, - .name = "s3c2410-wdt", - .bus = &platform_bus_type, +static struct platform_driver s3c2410wdt_driver = { .probe = s3c2410wdt_probe, .remove = s3c2410wdt_remove, .shutdown = s3c2410wdt_shutdown, .suspend = s3c2410wdt_suspend, .resume = s3c2410wdt_resume, + .driver = { + .owner = THIS_MODULE, + .name = "s3c2410-wdt", + }, }; @@ -513,12 +513,12 @@ static char banner[] __initdata = KERN_INFO "S3C2410 Watchdog Timer, (c) 2004 Si static int __init watchdog_init(void) { printk(banner); - return driver_register(&s3c2410wdt_driver); + return platform_driver_register(&s3c2410wdt_driver); } static void __exit watchdog_exit(void) { - driver_unregister(&s3c2410wdt_driver); + platform_driver_unregister(&s3c2410wdt_driver); } module_init(watchdog_init); diff --git a/drivers/char/watchdog/wdrtas.c b/drivers/char/watchdog/wdrtas.c index 619e2ff..dacfe31 100644 --- a/drivers/char/watchdog/wdrtas.c +++ b/drivers/char/watchdog/wdrtas.c @@ -320,7 +320,7 @@ static int wdrtas_ioctl(struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg) { - int __user *argp = (void *)arg; + int __user *argp = (void __user *)arg; int i; static struct watchdog_info wdinfo = { .options = WDRTAS_SUPPORTED_MASK, diff --git a/drivers/char/watchdog/wdt_pci.c b/drivers/char/watchdog/wdt_pci.c index dc9370f..4b33119 100644 --- a/drivers/char/watchdog/wdt_pci.c +++ b/drivers/char/watchdog/wdt_pci.c @@ -711,7 +711,6 @@ MODULE_DEVICE_TABLE(pci, wdtpci_pci_tbl); static struct pci_driver wdtpci_driver = { - .owner = THIS_MODULE, .name = "wdt_pci", .id_table = wdtpci_pci_tbl, .probe = wdtpci_init_one, |