diff options
author | msmith <msmith@FreeBSD.org> | 2000-10-28 06:59:48 +0000 |
---|---|---|
committer | msmith <msmith@FreeBSD.org> | 2000-10-28 06:59:48 +0000 |
commit | a69e8faa90e4070a65302cf076ac04b9186fa622 (patch) | |
tree | a28f70dd99f84e0e7c0aeb156ae5ff36e60bd789 /sys/dev | |
parent | 64e150eaa441bc8b9ecc4f649c022b7d522e487f (diff) | |
download | FreeBSD-src-a69e8faa90e4070a65302cf076ac04b9186fa622.zip FreeBSD-src-a69e8faa90e4070a65302cf076ac04b9186fa622.tar.gz |
Initial FreeBSD OSPM (operating system power management) modules for
ACPICA. Most of these are still works in progress. Support exists for:
- Fixed feature and control method power, lid and sleep buttons.
- Detection of ISA PnP devices using ACPI namespace.
- Detection of PCI root busses using ACPI namespace.
- CPU throttling and sleep states (incomplete)
- Thermal monitoring and cooling control (incomplete)
- Interface to platform embedded controllers (mostly complete)
- ACPI timer (incomplete)
- Simple userland control of sleep states.
- Shutdown and poweroff.
Diffstat (limited to 'sys/dev')
-rw-r--r-- | sys/dev/acpica/acpi.c | 1124 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_apic.c | 159 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_button.c | 182 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_ec.c | 710 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_ecreg.h | 196 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_isa.c | 442 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_lid.c | 152 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_pcib.c | 236 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_pcib_acpi.c | 236 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_processor.c | 640 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_resource.c | 343 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_thermal.c | 102 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_timer.c | 117 | ||||
-rw-r--r-- | sys/dev/acpica/acpiio.h | 33 | ||||
-rw-r--r-- | sys/dev/acpica/acpivar.h | 221 |
15 files changed, 4893 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c new file mode 100644 index 0000000..651a7737 --- /dev/null +++ b/sys/dev/acpica/acpi.c @@ -0,0 +1,1124 @@ +/*- + * Copyright (c) 2000 Takanori Watanabe <takawata@jp.freebsd.org> + * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/bus.h> +#include <sys/conf.h> +#include <sys/ioccom.h> +#include <sys/reboot.h> +#include <sys/sysctl.h> +#include <sys/ctype.h> + +#include <machine/clock.h> + +#include <machine/resource.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> +#include <dev/acpica/acpiio.h> + +#include <pci/pcivar.h> +#include "pcib_if.h" + +MALLOC_DEFINE(M_ACPIDEV, "acpidev", "ACPI devices"); + +/* + * Character device + */ + +static d_open_t acpiopen; +static d_close_t acpiclose; +static d_ioctl_t acpiioctl; + +#define CDEV_MAJOR 152 +static struct cdevsw acpi_cdevsw = { + acpiopen, + acpiclose, + noread, + nowrite, + acpiioctl, + nopoll, + nommap, + nostrategy, + "acpi", + CDEV_MAJOR, + nodump, + nopsize, + 0, + -1 +}; + +static void acpi_identify(driver_t *driver, device_t parent); +static int acpi_probe(device_t dev); +static int acpi_attach(device_t dev); +static device_t acpi_add_child(device_t bus, int order, const char *name, int unit); +static int acpi_print_resources(struct resource_list *rl, const char *name, int type, + const char *format); +static int acpi_print_child(device_t bus, device_t child); +static int acpi_read_ivar(device_t dev, device_t child, int index, uintptr_t *result); +static int acpi_write_ivar(device_t dev, device_t child, int index, uintptr_t value); +static int acpi_set_resource(device_t dev, device_t child, int type, int rid, u_long start, + u_long count); +static int acpi_get_resource(device_t dev, device_t child, int type, int rid, u_long *startp, + u_long *countp); +static struct resource *acpi_alloc_resource(device_t bus, device_t child, int type, int *rid, + u_long start, u_long end, u_long count, u_int flags); +static int acpi_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r); + +static void acpi_probe_children(device_t bus); +static ACPI_STATUS acpi_probe_child(ACPI_HANDLE handle, UINT32 level, void *context, void **status); + +static void acpi_shutdown_pre_sync(void *arg, int howto); +static void acpi_shutdown_final(void *arg, int howto); + +#ifdef ACPI_DEBUG +static void acpi_set_debugging(void); +#endif + +static void acpi_system_eventhandler_sleep(void *arg, int state); +static void acpi_system_eventhandler_wakeup(void *arg, int state); + +static device_method_t acpi_methods[] = { + /* Device interface */ + DEVMETHOD(device_identify, acpi_identify), + DEVMETHOD(device_probe, acpi_probe), + DEVMETHOD(device_attach, acpi_attach), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + + /* Bus interface */ + DEVMETHOD(bus_add_child, acpi_add_child), + DEVMETHOD(bus_print_child, acpi_print_child), + DEVMETHOD(bus_read_ivar, acpi_read_ivar), + DEVMETHOD(bus_write_ivar, acpi_write_ivar), + DEVMETHOD(bus_set_resource, acpi_set_resource), + DEVMETHOD(bus_get_resource, acpi_get_resource), + DEVMETHOD(bus_alloc_resource, acpi_alloc_resource), + DEVMETHOD(bus_release_resource, acpi_release_resource), + DEVMETHOD(bus_driver_added, bus_generic_driver_added), + DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), + DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), + DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), + DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), + + {0, 0} +}; + +static driver_t acpi_driver = { + "acpi", + acpi_methods, + sizeof(struct acpi_softc), +}; + +devclass_t acpi_devclass; +DRIVER_MODULE(acpi, nexus, acpi_driver, acpi_devclass, 0, 0); + +SYSCTL_INT(_debug, OID_AUTO, acpi_debug_layer, CTLFLAG_RW, &AcpiDbgLayer, 0, ""); +SYSCTL_INT(_debug, OID_AUTO, acpi_debug_level, CTLFLAG_RW, &AcpiDbgLevel, 0, ""); + +/* + * Detect ACPI, perform early initialisation + */ +static void +acpi_identify(driver_t *driver, device_t parent) +{ + device_t child; + void *rsdp; + int error; +#ifdef ENABLE_DEBUGGER + char *debugpoint = getenv("debug.acpi.debugger"); +#endif + + /* + * Make sure we're not being doubly invoked. + */ + if (device_find_child(parent, "acpi", 0) != NULL) + return; + +#ifdef ACPI_DEBUG + acpi_set_debugging(); +#endif + + /* + * Start up ACPICA + */ +#ifdef ENABLE_DEBUGGER + if (debugpoint && !strcmp(debugpoint, "init")) + acpi_EnterDebugger(); +#endif + if ((error = AcpiInitializeSubsystem()) != AE_OK) { + printf("ACPI: initialisation failed: %s\n", acpi_strerror(error)); + return; + } +#ifdef ENABLE_DEBUGGER + if (debugpoint && !strcmp(debugpoint, "tables")) + acpi_EnterDebugger(); +#endif + if (((error = AcpiFindRootPointer(&rsdp)) != AE_OK) || + ((error = AcpiLoadTables(rsdp)) != AE_OK)) { + printf("ACPI: table load failed: %s\n", acpi_strerror(error)); + return; + } + + /* + * Attach the actual ACPI device. + */ + if ((child = BUS_ADD_CHILD(parent, 0, "acpi", 0)) == NULL) { + device_printf(parent, "ACPI: could not attach\n"); + return; + } +} + +/* + * Fetch some descriptive data from ACPI to put in our attach message + */ +static int +acpi_probe(device_t dev) +{ + ACPI_TABLE_HEADER th; + char buf[20]; + int error; + + if ((error = AcpiGetTableHeader(ACPI_TABLE_RSDT, 1, &th)) != AE_OK) { + device_printf(dev, "couldn't get RSDT header: %s\n", acpi_strerror(error)); + return(ENXIO); + } + sprintf(buf, "%.6s %.8s", th.OemId, th.OemTableId); + device_set_desc_copy(dev, buf); + + return(0); +} + +static int +acpi_attach(device_t dev) +{ + struct acpi_softc *sc; + int error; +#ifdef ENABLE_DEBUGGER + char *debugpoint = getenv("debug.acpi.debugger"); +#endif + + + sc = device_get_softc(dev); + bzero(sc, sizeof(*sc)); + sc->acpi_dev = dev; + +#ifdef ENABLE_DEBUGGER + if (debugpoint && !strcmp(debugpoint, "spaces")) + acpi_EnterDebugger(); +#endif + + /* + * Install the default address space handlers. + */ + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ADDRESS_SPACE_SYSTEM_MEMORY, + ACPI_DEFAULT_HANDLER, + NULL, NULL)) != AE_OK) { + device_printf(dev, "could not initialise SystemMemory handler: %s\n", acpi_strerror(error)); + return(ENXIO); + } + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ADDRESS_SPACE_SYSTEM_IO, + ACPI_DEFAULT_HANDLER, + NULL, NULL)) != AE_OK) { + device_printf(dev, "could not initialise SystemIO handler: %s\n", acpi_strerror(error)); + return(ENXIO); + } + if ((error = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, + ADDRESS_SPACE_PCI_CONFIG, + ACPI_DEFAULT_HANDLER, + NULL, NULL)) != AE_OK) { + device_printf(dev, "could not initialise PciConfig handler: %s\n", acpi_strerror(error)); + return(ENXIO); + } + + /* + * Bring ACPI fully online. + * + * Note that we request that device _STA and _INI methods not be run (ACPI_NO_DEVICE_INIT) + * and the final object initialisation pass be skipped (ACPI_NO_OBJECT_INIT). + * + * XXX We need to arrange for the object init pass after we have attached all our + * child devices. + */ +#ifdef ENABLE_DEBUGGER + if (debugpoint && !strcmp(debugpoint, "enable")) + acpi_EnterDebugger(); +#endif + if ((error = AcpiEnableSubsystem(ACPI_NO_DEVICE_INIT | ACPI_NO_OBJECT_INIT)) != AE_OK) { + device_printf(dev, "could not enable ACPI: %s\n", acpi_strerror(error)); + return(ENXIO); + } + + /* + * Dispatch the default sleep state to devices. + * TBD: should be configured from userland policy manager. + */ + sc->acpi_power_button_sx = ACPI_POWER_BUTTON_DEFAULT_SX; + sc->acpi_sleep_button_sx = ACPI_SLEEP_BUTTON_DEFAULT_SX; + sc->acpi_lid_switch_sx = ACPI_LID_SWITCH_DEFAULT_SX; + + /* Enable and clear fixed events and install handlers. */ + if (AcpiGbl_FACP != NULL && AcpiGbl_FACP->PwrButton == 0) { + AcpiEnableEvent(ACPI_EVENT_POWER_BUTTON, ACPI_EVENT_FIXED); + AcpiClearEvent(ACPI_EVENT_POWER_BUTTON, ACPI_EVENT_FIXED); + AcpiInstallFixedEventHandler(ACPI_EVENT_POWER_BUTTON, acpi_eventhandler_power_button_for_sleep, sc); + device_printf(dev, "power button is handled as a fixed feature programming model.\n"); + } + if (AcpiGbl_FACP != NULL && AcpiGbl_FACP->SleepButton == 0) { + AcpiEnableEvent(ACPI_EVENT_SLEEP_BUTTON, ACPI_EVENT_FIXED); + AcpiClearEvent(ACPI_EVENT_SLEEP_BUTTON, ACPI_EVENT_FIXED); + AcpiInstallFixedEventHandler(ACPI_EVENT_SLEEP_BUTTON, acpi_eventhandler_sleep_button_for_sleep, sc); + device_printf(dev, "sleep button is handled as a fixed feature programming model.\n"); + } + + /* + * Scan the namespace and attach/initialise children. + */ +#ifdef ENABLE_DEBUGGER + if (debugpoint && !strcmp(debugpoint, "probe")) + acpi_EnterDebugger(); +#endif + acpi_probe_children(dev); + + /* + * Register our shutdown handlers + */ + EVENTHANDLER_REGISTER(shutdown_pre_sync, acpi_shutdown_pre_sync, sc, SHUTDOWN_PRI_LAST); + EVENTHANDLER_REGISTER(shutdown_final, acpi_shutdown_final, sc, SHUTDOWN_PRI_LAST); + + /* + * Register our acpi event handlers. + * XXX should be configurable eg. via userland policy manager. + */ + EVENTHANDLER_REGISTER(acpi_sleep_event, acpi_system_eventhandler_sleep, sc, ACPI_EVENT_PRI_LAST); + EVENTHANDLER_REGISTER(acpi_wakeup_event, acpi_system_eventhandler_wakeup, sc, ACPI_EVENT_PRI_LAST); + + /* + * Flag our initial states. + */ + sc->acpi_enabled = 1; + sc->acpi_sstate = ACPI_STATE_S0; + + /* + * Create the control device + */ + sc->acpi_dev_t = make_dev(&acpi_cdevsw, 0, 0, 5, 0660, "acpi"); + sc->acpi_dev_t->si_drv1 = sc; + +#ifdef ENABLE_DEBUGGER + if (debugpoint && !strcmp(debugpoint, "running")) + acpi_EnterDebugger(); +#endif + return(0); +} + +/* + * Handle a new device being added + */ +static device_t +acpi_add_child(device_t bus, int order, const char *name, int unit) +{ + struct acpi_device *ad; + device_t child; + + if ((ad = malloc(sizeof(*ad), M_ACPIDEV, M_NOWAIT)) == NULL) + return(NULL); + bzero(ad, sizeof(*ad)); + + resource_list_init(&ad->ad_rl); + + child = device_add_child_ordered(bus, order, name, unit); + if (child != NULL) + device_set_ivars(child, ad); + return(child); +} + +/* + * Print child device resource usage + */ +static int +acpi_print_resources(struct resource_list *rl, const char *name, int type, const char *format) +{ + struct resource_list_entry *rle; + int printed, retval; + + printed = 0; + retval = 0; + + if (!SLIST_FIRST(rl)) + return(0); + + /* Yes, this is kinda cheating */ + SLIST_FOREACH(rle, rl, link) { + if (rle->type == type) { + if (printed == 0) + retval += printf(" %s ", name); + else if (printed > 0) + retval += printf(","); + printed++; + retval += printf(format, rle->start); + if (rle->count > 1) { + retval += printf("-"); + retval += printf(format, rle->start + + rle->count - 1); + } + } + } + return(retval); +} + +static int +acpi_print_child(device_t bus, device_t child) +{ + struct acpi_device *adev = device_get_ivars(child); + struct resource_list *rl = &adev->ad_rl; + int retval = 0; + + retval += bus_print_child_header(bus, child); + retval += acpi_print_resources(rl, "port", SYS_RES_IOPORT, "%#lx"); + retval += acpi_print_resources(rl, "iomem", SYS_RES_MEMORY, "%#lx"); + retval += acpi_print_resources(rl, "irq", SYS_RES_IRQ, "%ld"); + retval += bus_print_child_footer(bus, child); + + return(retval); +} + + +/* + * Handle per-device ivars + */ +static int +acpi_read_ivar(device_t dev, device_t child, int index, uintptr_t *result) +{ + struct acpi_device *ad; + + if ((ad = device_get_ivars(child)) == NULL) { + printf("device has no ivars\n"); + return(ENOENT); + } + + switch(index) { + /* ACPI ivars */ + case ACPI_IVAR_HANDLE: + *(ACPI_HANDLE *)result = ad->ad_handle; + break; + case ACPI_IVAR_MAGIC: + *(int *)result = ad->ad_magic; + break; + case ACPI_IVAR_PRIVATE: + *(void **)result = ad->ad_private; + break; + + default: + panic("bad ivar read request (%d)\n", index); + return(ENOENT); + } + return(0); +} + +static int +acpi_write_ivar(device_t dev, device_t child, int index, uintptr_t value) +{ + struct acpi_device *ad; + + if ((ad = device_get_ivars(child)) == NULL) { + printf("device has no ivars\n"); + return(ENOENT); + } + + switch(index) { + /* ACPI ivars */ + case ACPI_IVAR_HANDLE: + ad->ad_handle = (ACPI_HANDLE)value; + break; + case ACPI_IVAR_MAGIC: + ad->ad_magic = (int )value; + break; + case ACPI_IVAR_PRIVATE: + ad->ad_private = (void *)value; + break; + + default: + panic("bad ivar write request (%d)\n", index); + return(ENOENT); + } + return(0); +} + +/* + * Handle child resource allocation/removal + */ +static int +acpi_set_resource(device_t dev, device_t child, int type, int rid, u_long start, u_long count) +{ + struct acpi_device *ad = device_get_ivars(child); + struct resource_list *rl = &ad->ad_rl; + + resource_list_add(rl, type, rid, start, start + count -1, count); + + return(0); +} + +static int +acpi_get_resource(device_t dev, device_t child, int type, int rid, u_long *startp, u_long *countp) +{ + struct acpi_device *ad = device_get_ivars(child); + struct resource_list *rl = &ad->ad_rl; + struct resource_list_entry *rle; + + rle = resource_list_find(rl, type, rid); + if (!rle) + return(ENOENT); + + if (startp) + *startp = rle->start; + if (countp) + *countp = rle->count; + + return(0); +} + +static struct resource * +acpi_alloc_resource(device_t bus, device_t child, int type, int *rid, + u_long start, u_long end, u_long count, u_int flags) +{ + struct acpi_device *ad = device_get_ivars(child); + struct resource_list *rl = &ad->ad_rl; + + return(resource_list_alloc(rl, bus, child, type, rid, start, end, count, flags)); +} + +static int +acpi_release_resource(device_t bus, device_t child, int type, int rid, struct resource *r) +{ + struct acpi_device *ad = device_get_ivars(child); + struct resource_list *rl = &ad->ad_rl; + + return(resource_list_release(rl, bus, child, type, rid, r)); +} + +/* + * Scan relevant portions of the ACPI namespace and attach child devices. + * + * Note that we only expect to find devices in the \_TZ_, \_SI_ and \_SB_ scopes, + * and \_TZ_ becomes obsolete in the ACPI 2.0 spec. + */ +static void +acpi_probe_children(device_t bus) +{ + ACPI_HANDLE parent; + static char *scopes[] = {"\\_TZ_", "\\_SI", "\\_SB_", NULL}; + int i; + + /* + * Create any static children by calling device identify methods. + */ + bus_generic_probe(bus); + + /* + * Scan the namespace and insert placeholders for all the devices that + * we find. + * + * Note that we use AcpiWalkNamespace rather than AcpiGetDevices because + * we want to create nodes for all devices, not just those that are currently + * present. (This assumes that we don't want to create/remove devices as they + * appear, which might be smarter.) + */ + for (i = 0; scopes[i] != NULL; i++) + if ((AcpiGetHandle(ACPI_ROOT_OBJECT, scopes[i], &parent)) == AE_OK) + AcpiWalkNamespace(ACPI_TYPE_ANY, parent, 100, acpi_probe_child, bus, NULL); + + /* + * Scan all of the child devices we have created and let them probe/attach. + */ + bus_generic_attach(bus); + + /* + * Some of these children may have attached others as part of their attach + * process (eg. the root PCI bus driver), so rescan. + */ + bus_generic_attach(bus); +} + +/* + * Evaluate a child device and determine whether we might attach a device to + * it. + */ +static ACPI_STATUS +acpi_probe_child(ACPI_HANDLE handle, UINT32 level, void *context, void **status) +{ + ACPI_OBJECT_TYPE type; + device_t child, bus = (device_t)context; + + if (AcpiGetType(handle, &type) == AE_OK) { + switch(type) { + case ACPI_TYPE_DEVICE: + case ACPI_TYPE_PROCESSOR: + case ACPI_TYPE_THERMAL: + case ACPI_TYPE_POWER: + /* + * Create a placeholder device for this node. Sort the placeholder + * so that the probe/attach passes will run breadth-first. + */ + child = BUS_ADD_CHILD(bus, level * 10, NULL, -1); + acpi_set_handle(child, handle); + } + } + return(AE_OK); +} + +static void +acpi_shutdown_pre_sync(void *arg, int howto) +{ + /* + * disable all of ACPI events before soft off, otherwise the system + * will be turned on again on some laptops. + * + * XXX this should probably be restricted to masking some events just + * before powering down, since we may still need ACPI during the + * shutdown process. + */ + acpi_Disable((struct acpi_softc *)arg); +} + +static void +acpi_shutdown_final(void *arg, int howto) +{ + ACPI_STATUS status; + + if (howto == RB_POWEROFF) { + printf("Power system off using ACPI...\n"); + if ((status = AcpiSetSystemSleepState(ACPI_STATE_S5)) != AE_OK) { + printf("ACPI power-off failed - %s\n", acpi_strerror(status)); + } else { + DELAY(1000000); + printf("ACPI power-off failed - timeout\n"); + } + } +} + +/* + * Match a HID string against a device + */ +BOOLEAN +acpi_MatchHid(device_t dev, char *hid) +{ + ACPI_HANDLE h; + ACPI_DEVICE_INFO devinfo; + ACPI_STATUS error; + + if ((hid == NULL) || (strlen(hid) != 7)) + return(FALSE); + if ((h = acpi_get_handle(dev)) == NULL) + return(FALSE); + if ((error = AcpiGetObjectInfo(h, &devinfo)) != AE_OK) + return(FALSE); + if ((devinfo.Valid & ACPI_VALID_HID) && !strncmp(hid, devinfo.HardwareId, 7)) + return(TRUE); + return(FALSE); +} + +/* + * Perform the tedious double-get procedure required for fetching something into + * an ACPI_BUFFER that has not been initialised. + */ +ACPI_STATUS +acpi_GetIntoBuffer(ACPI_HANDLE handle, ACPI_STATUS (*func)(ACPI_HANDLE, ACPI_BUFFER *), ACPI_BUFFER *buf) +{ + ACPI_STATUS status; + + buf->Length = 0; + buf->Pointer = NULL; + + if ((status = func(handle, buf)) != AE_BUFFER_OVERFLOW) + return(status); + if ((buf->Pointer = AcpiOsCallocate(buf->Length)) == NULL) + return(AE_NO_MEMORY); + return(func(handle, buf)); +} + +/* + * Allocate a buffer with a preset data size. + */ +ACPI_BUFFER * +acpi_AllocBuffer(int size) +{ + ACPI_BUFFER *buf; + + if ((buf = malloc(size + sizeof(*buf), M_ACPIDEV, M_NOWAIT)) == NULL) + return(NULL); + buf->Length = size; + buf->Pointer = (void *)(buf + 1); + return(buf); +} + +/* + * Set the system sleep state + * + * Currently we only support S1 and S5 + */ +ACPI_STATUS +acpi_SetSleepState(struct acpi_softc *sc, int state) +{ + ACPI_STATUS status = AE_OK; + + switch (state) { + case ACPI_STATE_S0: /* XXX only for testing */ + status = AcpiSetSystemSleepState((UINT8)state); + if (status != AE_OK) { + device_printf(sc->acpi_dev, "AcpiSetSystemSleepState failed - %s\n", acpi_strerror(status)); + } + break; + + case ACPI_STATE_S1: + /* + * Inform all devices that we are going to sleep. + */ + if (DEVICE_SUSPEND(root_bus) != 0) { + /* + * Re-wake the system. + * + * XXX note that a better two-pass approach with a 'veto' pass + * followed by a "real thing" pass would be better, but the + * current bus interface does not provide for this. + */ + DEVICE_RESUME(root_bus); + return(AE_ERROR); + } + sc->acpi_sstate = state; + status = AcpiSetSystemSleepState((UINT8)state); + if (status != AE_OK) { + device_printf(sc->acpi_dev, "AcpiSetSystemSleepState failed - %s\n", acpi_strerror(status)); + } + DEVICE_RESUME(root_bus); + sc->acpi_sstate = ACPI_STATE_S0; + break; + + case ACPI_STATE_S5: + /* + * Shut down cleanly and power off. This will call us back through the + * shutdown handlers. + */ + shutdown_nice(RB_POWEROFF); + break; + + default: + status = AE_BAD_PARAMETER; + break; + } + return(status); +} + +/* + * Enable/Disable ACPI + */ +ACPI_STATUS +acpi_Enable(struct acpi_softc *sc) +{ + ACPI_STATUS status; + u_int32_t flags; + + flags = ACPI_NO_ADDRESS_SPACE_INIT | ACPI_NO_HARDWARE_INIT | + ACPI_NO_DEVICE_INIT | ACPI_NO_OBJECT_INIT; + if (!sc->acpi_enabled) { + status = AcpiEnableSubsystem(flags); + } else { + status = AE_OK; + } + if (status == AE_OK) + sc->acpi_enabled = 1; + return(status); +} + +ACPI_STATUS +acpi_Disable(struct acpi_softc *sc) +{ + ACPI_STATUS status; + + if (sc->acpi_enabled) { + status = AcpiDisable(); + } else { + status = AE_OK; + } + if (status == AE_OK) + sc->acpi_enabled = 0; + return(status); +} + +/* + * Returns true if the device is actually present and should + * be attached to. This requires the present, enabled, UI-visible + * and diagnostics-passed bits to be set. + */ +BOOLEAN +acpi_DeviceIsPresent(device_t dev) +{ + ACPI_HANDLE h; + ACPI_DEVICE_INFO devinfo; + ACPI_STATUS error; + + if ((h = acpi_get_handle(dev)) == NULL) + return(FALSE); + if ((error = AcpiGetObjectInfo(h, &devinfo)) != AE_OK) + return(FALSE); + if ((devinfo.Valid & ACPI_VALID_HID) && (devinfo.CurrentStatus & 0xf)) + return(TRUE); + return(FALSE); +} + +/* + * Evaluate a path that should return a number + */ +ACPI_STATUS +acpi_EvaluateNumber(ACPI_HANDLE handle, char *path, int *number) +{ + ACPI_STATUS error; + ACPI_BUFFER buf; + int param[4]; + + if (handle == NULL) + handle = ACPI_ROOT_OBJECT; + buf.Pointer = ¶m[0]; + buf.Length = sizeof(param); + if ((error = AcpiEvaluateObject(handle, path, NULL, &buf)) == AE_OK) { + if (param[0] == ACPI_TYPE_NUMBER) { + *number = param[1]; + } else { + error = AE_TYPE; + } + } + return(error); +} + +/* + * ACPI Event Handlers + */ + +/* System Event Handlers (registered by EVENTHANDLER_REGISTER) */ + +static void +acpi_system_eventhandler_sleep(void *arg, int state) +{ + if (state < ACPI_STATE_S0 || state > ACPI_STATE_S5) { + return; + } + + acpi_SetSleepState((struct acpi_softc *)arg, state); +} + + +static void +acpi_system_eventhandler_wakeup(void *arg, int state) +{ + /* Well, what to do? :-) */ +} + +/* + * ACPICA Event Handlers (FixedEvent, also called from button notify handler) + */ +UINT32 +acpi_eventhandler_power_button_for_sleep(void *context) +{ + struct acpi_softc *sc = (struct acpi_softc *)context; + + EVENTHANDLER_INVOKE(acpi_sleep_event, sc->acpi_power_button_sx); + return(INTERRUPT_HANDLED); +} + +UINT32 +acpi_eventhandler_power_button_for_wakeup(void *context) +{ + struct acpi_softc *sc = (struct acpi_softc *)context; + + EVENTHANDLER_INVOKE(acpi_wakeup_event, sc->acpi_power_button_sx); + return(INTERRUPT_HANDLED); +} + +UINT32 +acpi_eventhandler_sleep_button_for_sleep(void *context) +{ + struct acpi_softc *sc = (struct acpi_softc *)context; + + EVENTHANDLER_INVOKE(acpi_sleep_event, sc->acpi_sleep_button_sx); + return(INTERRUPT_HANDLED); +} + +UINT32 +acpi_eventhandler_sleep_button_for_wakeup(void *context) +{ + struct acpi_softc *sc = (struct acpi_softc *)context; + + EVENTHANDLER_INVOKE(acpi_wakeup_event, sc->acpi_sleep_button_sx); + return(INTERRUPT_HANDLED); +} + +/* + * XXX This is kinda ugly, and should not be here. + */ +struct acpi_staticbuf { + ACPI_BUFFER buffer; + char data[512]; +}; + +char * +acpi_strerror(ACPI_STATUS excep) +{ + static struct acpi_staticbuf buf; + + buf.buffer.Length = 512; + buf.buffer.Pointer = &buf.data[0]; + + if (AcpiFormatException(excep, &buf.buffer) == AE_OK) + return(buf.buffer.Pointer); + return("(error formatting exception)"); +} + +char * +acpi_name(ACPI_HANDLE handle) +{ + static struct acpi_staticbuf buf; + + buf.buffer.Length = 512; + buf.buffer.Pointer = &buf.data[0]; + + if (AcpiGetName(handle, ACPI_FULL_PATHNAME, &buf.buffer) == AE_OK) + return(buf.buffer.Pointer); + return("(unknown path)"); +} + +/* + * Debugging/bug-avoidance. Avoid trying to fetch info on various + * parts of the namespace. + */ +int +acpi_avoid(ACPI_HANDLE handle) +{ + char *cp, *np; + int len; + + np = acpi_name(handle); + if (*np == '\\') + np++; + if ((cp = getenv("debug.acpi.avoid")) == NULL) + return(0); + + /* scan the avoid list checking for a match */ + for (;;) { + while ((*cp != 0) && isspace(*cp)) + cp++; + if (*cp == 0) + break; + len = 0; + while ((cp[len] != 0) && !isspace(cp[len])) + len++; + if (!strncmp(cp, np, len)) { + printf("avoiding '%s'\n", np); + return(1); + } + cp += len; + } + return(0); +} + +/* + * Control interface. + * + * XXX this is provided as a temporary measure for + * backwards compatibility for now. A better + * interface will probably use sysctl or similar. + */ +static int +acpiopen(dev_t dev, int flag, int fmt, struct proc * p) +{ + return(0); +} + +static int +acpiclose(dev_t dev, int flag, int fmt, struct proc * p) +{ + return(0); +} + +static int +acpiioctl(dev_t dev, u_long cmd, caddr_t addr, int flag, struct proc * p) +{ + int error, state; + struct acpi_softc *sc; + + error = state = 0; + sc = dev->si_drv1; + + switch (cmd) { + case ACPIIO_ENABLE: + if (ACPI_FAILURE(acpi_Enable(sc))) { + error = ENXIO; + } + break; + + case ACPIIO_DISABLE: + if (ACPI_FAILURE(acpi_Disable(sc))) { + error = ENXIO; + } + break; + + case ACPIIO_SETSLPSTATE: + if (!sc->acpi_enabled) { + error = ENXIO; + break; + } + state = *(int *)addr; + if (state >= ACPI_STATE_S0 && state <= ACPI_STATE_S5) { + acpi_SetSleepState(sc, state); + } else { + error = EINVAL; + } + + break; + + default: + error = EINVAL; + break; + } + + return(error); +} + +#ifdef ACPI_DEBUG +struct debugtag +{ + char *name; + UINT32 value; +}; + +static struct debugtag dbg_layer[] = { + {"GLOBAL", 0x00000001}, + {"COMMON", 0x00000002}, + {"PARSER", 0x00000004}, + {"DISPATCHER", 0x00000008}, + {"INTERPRETER", 0x00000010}, + {"NAMESPACE", 0x00000020}, + {"RESOURCE_MANAGER", 0x00000040}, + {"TABLE_MANAGER", 0x00000080}, + {"EVENT_HANDLING", 0x00000100}, + {"HARDWARE", 0x00000200}, + {"MISCELLANEOUS", 0x00000400}, + {"OS_DEPENDENT", 0x00000800}, + {"BUS_MANAGER", 0x00001000}, + {"PROCESSOR_CONTROL", 0x00002000}, + {"SYSTEM_CONTROL", 0x00004000}, + {"THERMAL_CONTROL", 0x00008000}, + {"POWER_CONTROL", 0x00010000}, + {"EMBEDDED_CONTROLLER", 0x00020000}, + {"BATTERY", 0x00040000}, + {"DEBUGGER", 0x00100000}, + {"ALL_COMPONENTS", 0x001FFFFF}, + {NULL, 0} +}; + +static struct debugtag dbg_level[] = { + {"ACPI_OK", 0x00000001}, + {"ACPI_INFO", 0x00000002}, + {"ACPI_WARN", 0x00000004}, + {"ACPI_ERROR", 0x00000008}, + {"ACPI_FATAL", 0x00000010}, + {"ACPI_DEBUG_OBJECT", 0x00000020}, + {"ACPI_ALL", 0x0000003F}, + {"TRACE_PARSE", 0x00000100}, + {"TRACE_DISPATCH", 0x00000200}, + {"TRACE_LOAD", 0x00000400}, + {"TRACE_EXEC", 0x00000800}, + {"TRACE_NAMES", 0x00001000}, + {"TRACE_OPREGION", 0x00002000}, + {"TRACE_BFIELD", 0x00004000}, + {"TRACE_TRASH", 0x00008000}, + {"TRACE_TABLES", 0x00010000}, + {"TRACE_FUNCTIONS", 0x00020000}, + {"TRACE_VALUES", 0x00040000}, + {"TRACE_OBJECTS", 0x00080000}, + {"TRACE_ALLOCATIONS", 0x00100000}, + {"TRACE_RESOURCES", 0x00200000}, + {"TRACE_IO", 0x00400000}, + {"TRACE_INTERRUPTS", 0x00800000}, + {"TRACE_USER_REQUESTS", 0x01000000}, + {"TRACE_PACKAGE", 0x02000000}, + {"TRACE_MUTEX", 0x04000000}, + {"TRACE_ALL", 0x0FFFFF00}, + {"VERBOSE_AML_DISASSEMBLE", 0x10000000}, + {"VERBOSE_INFO", 0x20000000}, + {"VERBOSE_TABLES", 0x40000000}, + {"VERBOSE_EVENTS", 0x80000000}, + {"VERBOSE_ALL", 0xF0000000}, + {NULL, 0} +}; + +static void +acpi_parse_debug(char *cp, struct debugtag *tag, UINT32 *flag) +{ + char *ep; + int i, l; + + while (*cp) { + if (isspace(*cp)) { + cp++; + continue; + } + ep = cp; + while (*ep && !isspace(*ep)) + ep++; + l = ep - cp; + for (i = 0; tag[i].name != NULL; i++) { + if (!strncmp(cp, tag[i].name, l)) { + *flag |= tag[i].value; + printf("ACPI_DEBUG: set '%s'\n", tag[i].name); + } + } + cp = ep; + } +} + +static void +acpi_set_debugging(void) +{ + char *cp; + + if ((cp = getenv("debug.acpi.layer")) != NULL) + acpi_parse_debug(cp, &dbg_layer[0], &AcpiDbgLayer); + if ((cp = getenv("debug.acpi.level")) != NULL) + acpi_parse_debug(cp, &dbg_level[0], &AcpiDbgLevel); +} +#endif diff --git a/sys/dev/acpica/acpi_apic.c b/sys/dev/acpica/acpi_apic.c new file mode 100644 index 0000000..1a83b1d --- /dev/null +++ b/sys/dev/acpica/acpi_apic.c @@ -0,0 +1,159 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * XXX This is all pretty dubious, since we really want the APIC and co. + * up and running long before attaching interrupts, etc. + */ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +#define APIC_MAGIC 0x43495041 /* "APIC" */ + +struct acpi_apic_softc { + device_t apic_dev; + IO_APIC *apic_ioapic; +}; + +static void acpi_apic_identify(driver_t *driver, device_t bus); +static int acpi_apic_probe(device_t dev); +static int acpi_apic_attach(device_t dev); + +static device_method_t acpi_apic_methods[] = { + /* Device interface */ + DEVMETHOD(device_identify, acpi_apic_identify), + DEVMETHOD(device_probe, acpi_apic_probe), + DEVMETHOD(device_attach, acpi_apic_attach), + + {0, 0} +}; + +static driver_t acpi_apic_driver = { + "acpi_apic", + acpi_apic_methods, + sizeof(struct acpi_apic_softc), +}; + +devclass_t acpi_apic_devclass; +DRIVER_MODULE(acpi_apic, acpi, acpi_apic_driver, acpi_apic_devclass, 0, 0); + +static void +acpi_apic_identify(driver_t *driver, device_t bus) +{ + ACPI_BUFFER buf; + ACPI_STATUS status; + APIC_HEADER *hdr; + APIC_TABLE *tbl; + device_t child; + int len; + void *private; + + /* + * Perform the tedious double-get to fetch the actual table. + */ + buf.Length = 0; + buf.Pointer = NULL; + if ((status = AcpiGetTable(ACPI_TABLE_APIC, 1, &buf)) != AE_BUFFER_OVERFLOW) { + if (status != AE_NOT_EXIST) + device_printf(bus, "error sizing APIC table - %s\n", acpi_strerror(status)); + return; + } + if ((buf.Pointer = AcpiOsAllocate(buf.Length)) == NULL) + return; + if ((status = AcpiGetTable(ACPI_TABLE_APIC, 1, &buf)) != AE_OK) { + device_printf(bus, "error fetching APIC table - %s\n", acpi_strerror(status)); + return; + } + + /* + * Scan the tables, create child devices for each I/O APIC found + */ + tbl = (APIC_TABLE *)buf.Pointer; + len = tbl->header.Length - sizeof(APIC_TABLE); + hdr = (APIC_HEADER *)((char *)buf.Pointer + sizeof(APIC_TABLE)); + while(len > 0) { + if (hdr->Length > len) { + device_printf(bus, "APIC header corrupt (claims %d bytes where only %d left in structure)\n", + hdr->Length, len); + break; + } + switch (hdr->Type) { + case APIC_IO: + if ((child = BUS_ADD_CHILD(bus, 0, "acpi_apic", -1)) == NULL) { + device_printf(bus, "could not create I/O APIC device"); + break; + } + if ((private = AcpiOsAllocate(hdr->Length)) == NULL) { + device_printf(bus, "could not allocate memory for APIC child"); + break; + } + bcopy(hdr, private, hdr->Length); + acpi_set_magic(child, APIC_MAGIC); + acpi_set_private(child, private); + device_set_desc(child, "I/O APIC"); + break; + } + len -= hdr->Length; + hdr = (APIC_HEADER *)((char *)hdr + hdr->Length); + } + + AcpiOsFree(buf.Pointer); +} + +static int +acpi_apic_probe(device_t dev) +{ + if (acpi_get_magic(dev) == APIC_MAGIC) + return(0); + return(ENXIO); +} + +static int +acpi_apic_attach(device_t dev) +{ + struct acpi_apic_softc *sc; + + sc = device_get_softc(dev); + sc->apic_dev = dev; + + /* + * Fetch our parameters. + */ + sc->apic_ioapic = acpi_get_private(dev); + device_printf(dev, "I/O APIC ID %d at 0x%08x vectors 0%x\n", + sc->apic_ioapic->IoApicId, sc->apic_ioapic->IoApicAddress, sc->apic_ioapic->Vector); + return(0); +} diff --git a/sys/dev/acpica/acpi_button.c b/sys/dev/acpica/acpi_button.c new file mode 100644 index 0000000..cc6b4c2 --- /dev/null +++ b/sys/dev/acpica/acpi_button.c @@ -0,0 +1,182 @@ +/*- + * Copyright (c) 2000 Mitsaru IWASAKI <iwasaki@jp.freebsd.org> + * Copyright (c) 2000 Michael Smith <msmith@freebsd.org> + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +struct acpi_button_softc { + device_t button_dev; + ACPI_HANDLE button_handle; +#define ACPI_POWER_BUTTON 0 +#define ACPI_SLEEP_BUTTON 1 + boolean_t button_type; /* Power or Sleep Button */ +}; + +static int acpi_button_probe(device_t dev); +static int acpi_button_attach(device_t dev); +static void acpi_button_notify_handler(ACPI_HANDLE h,UINT32 notify, void *context); +static void acpi_button_notify_pressed_for_sleep(void *arg); +static void acpi_button_notify_pressed_for_wakeup(void *arg); + +static device_method_t acpi_button_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, acpi_button_probe), + DEVMETHOD(device_attach, acpi_button_attach), + + {0, 0} +}; + +static driver_t acpi_button_driver = { + "acpi_button", + acpi_button_methods, + sizeof(struct acpi_button_softc), +}; + +devclass_t acpi_button_devclass; +DRIVER_MODULE(acpi_button, acpi, acpi_button_driver, acpi_button_devclass, 0, 0); + +static int +acpi_button_probe(device_t dev) +{ + struct acpi_button_softc *sc; + + sc = device_get_softc(dev); + if (acpi_get_type(dev) == ACPI_TYPE_DEVICE) { + if (acpi_MatchHid(dev, "PNP0C0C")) { + device_set_desc(dev, "Control Method Power Button Device"); + sc->button_type = ACPI_POWER_BUTTON; + return(0); + } + if (acpi_MatchHid(dev, "PNP0C0E")) { + device_set_desc(dev, "Control Method Sleep Button Device"); + sc->button_type = ACPI_SLEEP_BUTTON; + return(0); + } + return(ENXIO); + } + return(ENXIO); +} + +static int +acpi_button_attach(device_t dev) +{ + struct acpi_button_softc *sc; + ACPI_STATUS status; + + sc = device_get_softc(dev); + sc->button_dev = dev; + sc->button_handle = acpi_get_handle(dev); + + if ((status = AcpiInstallNotifyHandler(sc->button_handle, ACPI_DEVICE_NOTIFY, + acpi_button_notify_handler, sc)) != AE_OK) { + device_printf(sc->button_dev, "couldn't install Notify handler - %s\n", acpi_strerror(status)); + return(ENXIO); + } + return(0); +} + +static void +acpi_button_notify_pressed_for_sleep(void *arg) +{ + struct acpi_button_softc *sc; + struct acpi_softc *acpi_sc; + + sc = (struct acpi_button_softc *)arg; + acpi_sc = acpi_device_get_parent_softc(sc->button_dev); + if (acpi_sc == NULL) { + return; + } + + switch (sc->button_type) { + case ACPI_POWER_BUTTON: + acpi_eventhandler_power_button_for_sleep((void *)acpi_sc); + break; + case ACPI_SLEEP_BUTTON: + acpi_eventhandler_sleep_button_for_sleep((void *)acpi_sc); + break; + default: + return; /* unknown button type */ + } +} + +static void +acpi_button_notify_pressed_for_wakeup(void *arg) +{ + struct acpi_button_softc *sc; + struct acpi_softc *acpi_sc; + + sc = (struct acpi_button_softc *)arg; + acpi_sc = acpi_device_get_parent_softc(sc->button_dev); + if (acpi_sc == NULL) { + return; + } + + switch (sc->button_type) { + case ACPI_POWER_BUTTON: + acpi_eventhandler_power_button_for_wakeup((void *)acpi_sc); + break; + case ACPI_SLEEP_BUTTON: + acpi_eventhandler_sleep_button_for_wakeup((void *)acpi_sc); + break; + default: + return; /* unknown button type */ + } +} + +/* XXX maybe not here */ +#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP 0x80 +#define ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP 0x02 + +static void +acpi_button_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) +{ + struct acpi_button_softc *sc = (struct acpi_button_softc *)context; + + switch (notify) { + case ACPI_NOTIFY_BUTTON_PRESSED_FOR_SLEEP: + AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_button_notify_pressed_for_sleep, sc); + device_printf(sc->button_dev, "pressed for sleep, button type: %d\n", sc->button_type); + break; + case ACPI_NOTIFY_BUTTON_PRESSED_FOR_WAKEUP: + AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_button_notify_pressed_for_wakeup, sc); + device_printf(sc->button_dev, "pressed for wakeup, button type: %d\n", sc->button_type); + break; + default: + return; /* unknown notification value */ + } +} + + diff --git a/sys/dev/acpica/acpi_ec.c b/sys/dev/acpica/acpi_ec.c new file mode 100644 index 0000000..ff4fa6c --- /dev/null +++ b/sys/dev/acpica/acpi_ec.c @@ -0,0 +1,710 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, Intel Corp. All rights + * reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + *****************************************************************************/ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> + +#include <machine/bus.h> +#include <machine/resource.h> +#include <sys/rman.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> +#include <dev/acpica/acpi_ecreg.h> + +struct acpi_ec_softc { + device_t ec_dev; + ACPI_HANDLE ec_handle; + ACPI_HANDLE ec_semaphore; + UINT32 ec_gpebit; + + int ec_data_rid; + struct resource *ec_data_res; + bus_space_tag_t ec_data_tag; + bus_space_handle_t ec_data_handle; + + int ec_csr_rid; + struct resource *ec_csr_res; + bus_space_tag_t ec_csr_tag; + bus_space_handle_t ec_csr_handle; + + int ec_locked; +}; + +#define EC_LOCK_TIMEOUT 1000 /* 1ms */ + +static __inline ACPI_STATUS +EcLock(struct acpi_ec_softc *sc) +{ + ACPI_STATUS status; + + status = AcpiOsWaitSemaphore((sc)->ec_semaphore, 1, EC_LOCK_TIMEOUT); + (sc)->ec_locked = 1; + return(status); +} + +static __inline void +EcUnlock(struct acpi_ec_softc *sc) +{ + (sc)->ec_locked = 0; + AcpiOsSignalSemaphore((sc)->ec_semaphore, 1); +} + +static __inline int +EcIsLocked(struct acpi_ec_softc *sc) +{ + return((sc)->ec_locked != 0); +} + +typedef struct +{ + EC_COMMAND Command; + UINT8 Address; + UINT8 Data; +} EC_REQUEST; + +static struct acpi_ec_softc acpi_ec_default; /* for the default EC handler */ + +static void EcGpeHandler(void *Context); +static ACPI_STATUS EcSpaceSetup(ACPI_HANDLE Region, UINT32 Function, + void *Context, void **return_Context); +static ACPI_STATUS EcSpaceHandler(UINT32 Function, UINT32 Address, UINT32 width, UINT32 *Value, + void *Context, void *RegionContext); +static ACPI_STATUS EcDefaultSpaceHandler(UINT32 Function, UINT32 Address, UINT32 width, UINT32 *Value, + void *Context, void *RegionContext); + +static ACPI_STATUS EcWaitEvent(struct acpi_ec_softc *sc, EC_EVENT Event); +static ACPI_STATUS EcQuery(struct acpi_ec_softc *sc, UINT8 *Data); +static ACPI_STATUS EcTransaction(struct acpi_ec_softc *sc, EC_REQUEST *EcRequest); +static ACPI_STATUS EcRead(struct acpi_ec_softc *sc, UINT8 Address, UINT8 *Data); +static ACPI_STATUS EcWrite(struct acpi_ec_softc *sc, UINT8 Address, UINT8 *Data); + +static void acpi_ec_identify(driver_t driver, device_t bus); +static int acpi_ec_probe(device_t dev); +static int acpi_ec_attach(device_t dev); + +static device_method_t acpi_ec_methods[] = { + /* Device interface */ + DEVMETHOD(device_identify, acpi_ec_identify), + DEVMETHOD(device_probe, acpi_ec_probe), + DEVMETHOD(device_attach, acpi_ec_attach), + + {0, 0} +}; + +static driver_t acpi_ec_driver = { + "acpi_ec", + acpi_ec_methods, + sizeof(struct acpi_ec_softc), +}; + +devclass_t acpi_ec_devclass; +DRIVER_MODULE(acpi_ec, acpi, acpi_ec_driver, acpi_ec_devclass, 0, 0); + +/* + * Look for an ECDT table and if we find one, set up a default EC + * space handler to catch possible attempts to access EC space before + * we have a real driver instance in place. + * We're not really an identify routine, but because we get called + * before most other things, this works out OK. + */ +static void +acpi_ec_identify(driver_t driver, device_t bus) +{ + ACPI_STATUS Status; + + /* XXX implement - need an ACPI 2.0 system to test this */ + + /* + * XXX install a do-nothing handler at the top of the namespace to catch + * bogus accesses being made due to apparent interpreter bugs. + */ + acpi_ec_default.ec_dev = bus; + if ((Status = AcpiInstallAddressSpaceHandler(ACPI_ROOT_OBJECT, ADDRESS_SPACE_EC, + &EcDefaultSpaceHandler, &EcSpaceSetup, + &acpi_ec_default)) != AE_OK) { + device_printf(acpi_ec_default.ec_dev, "can't install default EC address space handler - %s\n", + acpi_strerror(Status)); + } +} + +/* + * We could setup resources in the probe routine in order to have them printed + * when the device is attached. + */ +static int +acpi_ec_probe(device_t dev) +{ + if ((acpi_get_type(dev) == ACPI_TYPE_DEVICE) && + acpi_MatchHid(dev, "PNP0C09")) { + + /* + * Set device description + */ + device_set_desc(dev, "embedded controller"); + + return(0); + } + return(ENXIO); +} + +static int +acpi_ec_attach(device_t dev) +{ + struct acpi_ec_softc *sc; + ACPI_BUFFER *bufp; + UINT32 *param; + ACPI_STATUS Status; + struct acpi_object_list *args; + + /* + * Fetch/initialise softc + */ + sc = device_get_softc(dev); + sc->ec_dev = dev; + sc->ec_handle = acpi_get_handle(dev); + + /* + * Evaluate resources + */ + acpi_parse_resources(sc->ec_dev, sc->ec_handle, &acpi_res_parse_set); + + /* + * Attach bus resources + */ + sc->ec_data_rid = 0; + if ((sc->ec_data_res = bus_alloc_resource(sc->ec_dev, SYS_RES_IOPORT, &sc->ec_data_rid, + 0, ~0, 1, RF_ACTIVE)) == NULL) { + device_printf(dev, "can't allocate data port\n"); + return(ENXIO); + } + sc->ec_data_tag = rman_get_bustag(sc->ec_data_res); + sc->ec_data_handle = rman_get_bushandle(sc->ec_data_res); + + sc->ec_csr_rid = 1; + if ((sc->ec_csr_res = bus_alloc_resource(sc->ec_dev, SYS_RES_IOPORT, &sc->ec_csr_rid, + 0, ~0, 1, RF_ACTIVE)) == NULL) { + device_printf(dev, "can't allocate command/status port\n"); + return(ENXIO); + } + sc->ec_csr_tag = rman_get_bustag(sc->ec_csr_res); + sc->ec_csr_handle = rman_get_bushandle(sc->ec_csr_res); + + /* + * Create serialisation semaphore + */ + if ((Status = AcpiOsCreateSemaphore(1, 1, &sc->ec_semaphore)) != AE_OK) { + device_printf(dev, "can't create semaphore - %s\n", acpi_strerror(Status)); + return(ENXIO); + } + + /* + * Install GPE handler + * + * Evaluate the _GPE method to find the GPE bit used by the EC to signal + * status (SCI). + */ + if ((bufp = acpi_AllocBuffer(16)) == NULL) + return(ENOMEM); + if ((Status = AcpiEvaluateObject(sc->ec_handle, "_GPE", NULL, bufp)) != AE_OK) { + device_printf(dev, "can't evaluate _GPE method - %s\n", acpi_strerror(Status)); + return(ENXIO); + } + param = (UINT32 *)bufp->Pointer; + if (param[0] != ACPI_TYPE_NUMBER) { + device_printf(dev, "_GPE method returned bad result\n"); + return(ENXIO); + } + sc->ec_gpebit = param[1]; + AcpiOsFree(bufp); + + /* + * Install a handler for this EC's GPE bit. Note that EC SCIs are + * treated as both edge- and level-triggered interrupts; in other words + * we clear the status bit immediately after getting an EC-SCI, then + * again after we're done processing the event. This guarantees that + * events we cause while performing a transaction (e.g. IBE/OBF) get + * cleared before re-enabling the GPE. + */ + if ((Status = AcpiInstallGpeHandler(sc->ec_gpebit, ACPI_EVENT_LEVEL_TRIGGERED | ACPI_EVENT_EDGE_TRIGGERED, + EcGpeHandler, sc)) != AE_OK) { + device_printf(dev, "can't install GPE handler - %s\n", acpi_strerror(Status)); + return(ENXIO); + } + + /* + * Install address space handler + */ + if ((Status = AcpiInstallAddressSpaceHandler(sc->ec_handle, ADDRESS_SPACE_EC, + &EcSpaceHandler, &EcSpaceSetup, sc)) != AE_OK) { + device_printf(dev, "can't install address space handler - %s\n", acpi_strerror(Status)); + return(ENXIO); + } + + /* + * Evaluate _REG to indicate that the region is now available. + */ + if ((args = acpi_AllocObjectList(2)) == NULL) + return(ENOMEM); + args->object[0].Type = ACPI_TYPE_NUMBER; + args->object[0].Number.Value = ADDRESS_SPACE_EC; + args->object[1].Type = ACPI_TYPE_NUMBER; + args->object[1].Number.Value = 1; + Status = AcpiEvaluateObject(sc->ec_handle, "_REG", (ACPI_OBJECT_LIST *)args, NULL); + AcpiOsFree(args); + /* + * If evaluation failed for some reason other than that the method didn't + * exist, that's bad and we should not attach. + */ + if ((Status != AE_OK) && (Status != AE_NOT_FOUND)) { + device_printf(dev, "can't evaluate _REG method - %s\n", acpi_strerror(Status)); + return(ENXIO); + } + + return(0); +} + +static void +EcGpeHandler(void *Context) +{ + struct acpi_ec_softc *sc = (struct acpi_ec_softc *)Context; + UINT8 Data; + ACPI_STATUS Status; + char qxx[5]; + + for (;;) { + + /* + * Check EC_SCI. + * + * Bail out if the EC_SCI bit of the status register is not set. + * Note that this function should only be called when + * this bit is set (polling is used to detect IBE/OBF events). + * + * It is safe to do this without locking the controller, as it's + * OK to call EcQuery when there's no data ready; in the worst + * case we should just find nothing waiting for us and bail. + */ + if (!(EC_GET_CSR(sc) & EC_EVENT_SCI)) + break; + + /* + * Find out why the EC is signalling us + */ + Status = EcQuery(sc, &Data); + + /* + * If we failed to get anything from the EC, give up + */ + if (Status != AE_OK) { + device_printf(sc->ec_dev, "GPE query failed - %s\n", acpi_strerror(Status)); + break; + } + + /* + * Evaluate _Qxx to respond to the controller. + */ + sprintf(qxx, "_Q%02x", Data); + strupr(qxx); + if ((Status - AcpiEvaluateObject(sc->ec_handle, qxx, NULL, NULL)) != AE_OK) { + device_printf(sc->ec_dev, "evaluation of GPE query method %s failed - %s\n", + qxx, acpi_strerror(Status)); + } + } +} + +static ACPI_STATUS +EcSpaceSetup(ACPI_HANDLE Region, UINT32 Function, void *Context, void **RegionContext) +{ + /* + * Just pass the context through, there's nothing to do here. + */ + *RegionContext = Context; + + return(AE_OK); +} + +static ACPI_STATUS +EcSpaceHandler(UINT32 Function, UINT32 Address, UINT32 width, UINT32 *Value, void *Context, void *RegionContext) +{ + struct acpi_ec_softc *sc = (struct acpi_ec_softc *)Context; + ACPI_STATUS Status = AE_OK; + EC_REQUEST EcRequest; + + if ((Address > 0xFF) || (width != 8) || (Value == NULL) || (Context == NULL)) + return(AE_BAD_PARAMETER); + + switch (Function) { + case ADDRESS_SPACE_READ: + EcRequest.Command = EC_COMMAND_READ; + EcRequest.Address = Address; + EcRequest.Data = 0; + break; + + case ADDRESS_SPACE_WRITE: + EcRequest.Command = EC_COMMAND_WRITE; + EcRequest.Address = Address; + EcRequest.Data = (UINT8)(*Value); + break; + + default: + device_printf(sc->ec_dev, "invalid Address Space function %d\n", Function); + return(AE_BAD_PARAMETER); + } + + /* + * Perform the transaction. + */ + if ((Status = EcTransaction(sc, &EcRequest)) == AE_OK) + (*Value) = (UINT32)EcRequest.Data; + + return(Status); +} + +static ACPI_STATUS +EcDefaultSpaceHandler(UINT32 Function, UINT32 Address, UINT32 width, UINT32 *Value, void *Context, void *RegionContext) +{ + if ((Address > 0xFF) || (width != 8) || (Value == NULL) || (Context == NULL)) + return(AE_BAD_PARAMETER); + + switch (Function) { + case ADDRESS_SPACE_READ: + printf("ACPI: Illegal EC read from 0x%x\n", Address); + *Value = 0; + break; + case ADDRESS_SPACE_WRITE: + printf("ACPI: Illegal EC write 0x%x to 0x%x\n", *Value, Address); + break; + default: + printf("ACPI: Illegal EC unknown operation"); + break; + } + /* let things keep going */ + return(AE_OK); +} + +static ACPI_STATUS +EcWaitEvent(struct acpi_ec_softc *sc, EC_EVENT Event) +{ + EC_STATUS EcStatus; + UINT32 i = 0; + + if (!EcIsLocked(sc)) + device_printf(sc->ec_dev, "EcWaitEvent called without EC lock!\n"); + + /* + * Stall 1us: + * ---------- + * Stall for 1 microsecond before reading the status register + * for the first time. This allows the EC to set the IBF/OBF + * bit to its proper state. + * + * XXX it is not clear why we read the CSR twice. + */ + AcpiOsSleepUsec(1); + EcStatus = EC_GET_CSR(sc); + + /* + * Wait For Event: + * --------------- + * Poll the EC status register to detect completion of the last + * command. Wait up to 10ms (in 100us chunks) for this to occur. + */ + for (i = 0; i < 100; i++) { + EcStatus = EC_GET_CSR(sc); + + if ((Event == EC_EVENT_OUTPUT_BUFFER_FULL) && + (EcStatus & EC_FLAG_OUTPUT_BUFFER)) + return(AE_OK); + + if ((Event == EC_EVENT_INPUT_BUFFER_EMPTY) && + !(EcStatus & EC_FLAG_INPUT_BUFFER)) + return(AE_OK); + + AcpiOsSleepUsec(100); + } + + return(AE_ERROR); +} + +static ACPI_STATUS +EcQuery(struct acpi_ec_softc *sc, UINT8 *Data) +{ + ACPI_STATUS Status; + + if ((Status = EcLock(sc)) != AE_OK) + return(Status); + + EC_SET_CSR(sc, EC_COMMAND_QUERY); + Status = EcWaitEvent(sc, EC_EVENT_OUTPUT_BUFFER_FULL); + if (Status == AE_OK) + *Data = EC_GET_DATA(sc); + + EcUnlock(sc); + + if (Status != AE_OK) + device_printf(sc->ec_dev, "timeout waiting for EC to respond to EC_COMMAND_QUERY\n"); + return(Status); +} + + +static ACPI_STATUS +EcTransaction(struct acpi_ec_softc *sc, EC_REQUEST *EcRequest) +{ + ACPI_STATUS Status; + + /* + * Lock the EC + */ + if ((Status = EcLock(sc)) != AE_OK) + return(Status); + + /* + * Disable EC GPE: + * --------------- + * Disable EC interrupts (GPEs) from occuring during this transaction. + * This is done here as EcTransaction() is also called by the EC GPE + * handler -- where disabling/re-enabling the EC GPE is automatically + * handled by the ACPI Core Subsystem. + */ + if (AcpiDisableEvent(sc->ec_gpebit, ACPI_EVENT_GPE) != AE_OK) + device_printf(sc->ec_dev, "EcRequest: Unable to disable the EC GPE.\n"); + + /* + * Perform the transaction. + */ + switch (EcRequest->Command) { + case EC_COMMAND_READ: + Status = EcRead(sc, EcRequest->Address, &(EcRequest->Data)); + break; + + case EC_COMMAND_WRITE: + Status = EcWrite(sc, EcRequest->Address, &(EcRequest->Data)); + break; + + default: + Status = AE_SUPPORT; + break; + } + + /* + * Clear & Re-Enable the EC GPE: + * ----------------------------- + * 'Consume' any EC GPE events that we generated while performing + * the transaction (e.g. IBF/OBF). Clearing the GPE here shouldn't + * have an adverse affect on outstanding EC-SCI's, as the source + * (EC-SCI) will still be high and thus should trigger the GPE + * immediately after we re-enabling it. + */ + if (AcpiClearEvent(sc->ec_gpebit, ACPI_EVENT_GPE) != AE_OK) + device_printf(sc->ec_dev, "EcRequest: Unable to clear the EC GPE.\n"); + if (AcpiEnableEvent(sc->ec_gpebit, ACPI_EVENT_GPE) != AE_OK) + device_printf(sc->ec_dev, "EcRequest: Unable to re-enable the EC GPE.\n"); + + /* + * Unlock the EC + */ + EcUnlock(sc); + + return(Status); +} + + +static ACPI_STATUS +EcRead(struct acpi_ec_softc *sc, UINT8 Address, UINT8 *Data) +{ + ACPI_STATUS Status; + + if (!EcIsLocked(sc)) + device_printf(sc->ec_dev, "EcRead called without EC lock!\n"); + + /*EcBurstEnable(EmbeddedController);*/ + + EC_SET_CSR(sc, EC_COMMAND_READ); + if ((Status = EcWaitEvent(sc, EC_EVENT_INPUT_BUFFER_EMPTY)) != AE_OK) { + device_printf(sc->ec_dev, "EcRead: Failed waiting for EC to process read command.\n"); + return(Status); + } + + EC_SET_DATA(sc, Address); + if ((Status = EcWaitEvent(sc, EC_EVENT_OUTPUT_BUFFER_FULL)) != AE_OK) { + device_printf(sc->ec_dev, "EcRead: Failed waiting for EC to send data.\n"); + return(Status); + } + + (*Data) = EC_GET_DATA(sc); + + /*EcBurstDisable(EmbeddedController);*/ + + return(AE_OK); +} + +static ACPI_STATUS +EcWrite(struct acpi_ec_softc *sc, UINT8 Address, UINT8 *Data) +{ + ACPI_STATUS Status; + + if (!EcIsLocked(sc)) + device_printf(sc->ec_dev, "EcWrite called without EC lock!\n"); + + /*EcBurstEnable(EmbeddedController);*/ + + EC_SET_CSR(sc, EC_COMMAND_WRITE); + if ((Status = EcWaitEvent(sc, EC_EVENT_INPUT_BUFFER_EMPTY)) != AE_OK) { + device_printf(sc->ec_dev, "EcWrite: Failed waiting for EC to process write command.\n"); + return(Status); + } + + EC_SET_DATA(sc, Address); + if ((Status = EcWaitEvent(sc, EC_EVENT_INPUT_BUFFER_EMPTY)) != AE_OK) { + device_printf(sc->ec_dev, "EcRead: Failed waiting for EC to process address.\n"); + return(Status); + } + + EC_SET_DATA(sc, *Data); + if ((Status = EcWaitEvent(sc, EC_EVENT_INPUT_BUFFER_EMPTY)) != AE_OK) { + device_printf(sc->ec_dev, "EcWrite: Failed waiting for EC to process data.\n"); + return(Status); + } + + /*EcBurstDisable(EmbeddedController);*/ + + return(AE_OK); +} diff --git a/sys/dev/acpica/acpi_ecreg.h b/sys/dev/acpica/acpi_ecreg.h new file mode 100644 index 0000000..344ff28 --- /dev/null +++ b/sys/dev/acpica/acpi_ecreg.h @@ -0,0 +1,196 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, Intel Corp. All rights + * reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + *****************************************************************************/ + +/* + * EC_COMMAND: + * ----------- + */ +typedef UINT8 EC_COMMAND; + +#define EC_COMMAND_UNKNOWN ((EC_COMMAND) 0x00) +#define EC_COMMAND_READ ((EC_COMMAND) 0x80) +#define EC_COMMAND_WRITE ((EC_COMMAND) 0x81) +#define EC_COMMAND_BURST_ENABLE ((EC_COMMAND) 0x82) +#define EC_COMMAND_BURST_DISABLE ((EC_COMMAND) 0x83) +#define EC_COMMAND_QUERY ((EC_COMMAND) 0x84) + +/* + * EC_STATUS: + * ---------- + * The encoding of the EC status register is illustrated below. + * Note that a set bit (1) indicates the property is TRUE + * (e.g. if bit 0 is set then the output buffer is full). + * +-+-+-+-+-+-+-+-+ + * |7|6|5|4|3|2|1|0| + * +-+-+-+-+-+-+-+-+ + * | | | | | | | | + * | | | | | | | +- Output Buffer Full? + * | | | | | | +--- Input Buffer Full? + * | | | | | +----- <reserved> + * | | | | +------- Data Register is Command Byte? + * | | | +--------- Burst Mode Enabled? + * | | +----------- SCI Event? + * | +------------- SMI Event? + * +--------------- <Reserved> + * + */ +typedef UINT8 EC_STATUS; + +#define EC_FLAG_OUTPUT_BUFFER ((EC_STATUS) 0x01) +#define EC_FLAG_INPUT_BUFFER ((EC_STATUS) 0x02) +#define EC_FLAG_BURST_MODE ((EC_STATUS) 0x10) +#define EC_FLAG_SCI ((EC_STATUS) 0x20) + +/* + * EC_EVENT: + * --------- + */ +typedef UINT8 EC_EVENT; + +#define EC_EVENT_UNKNOWN ((EC_EVENT) 0x00) +#define EC_EVENT_OUTPUT_BUFFER_FULL ((EC_EVENT) 0x01) +#define EC_EVENT_INPUT_BUFFER_EMPTY ((EC_EVENT) 0x02) +#define EC_EVENT_SCI ((EC_EVENT) 0x20) + +/* + * Register access primitives + */ +#define EC_GET_DATA(sc) bus_space_read_1 (sc->ec_data_tag, sc->ec_data_handle, 0) +#define EC_SET_DATA(sc, v) bus_space_write_1(sc->ec_data_tag, sc->ec_data_handle, 0, v) +#define EC_GET_CSR(sc) bus_space_read_1 (sc->ec_csr_tag, sc->ec_csr_handle, 0) +#define EC_SET_CSR(sc, v) bus_space_write_1(sc->ec_csr_tag, sc->ec_csr_handle, 0, v) + diff --git a/sys/dev/acpica/acpi_isa.c b/sys/dev/acpica/acpi_isa.c new file mode 100644 index 0000000..3aa03c1 --- /dev/null +++ b/sys/dev/acpica/acpi_isa.c @@ -0,0 +1,442 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +/* + * ISA bus enumerator using PnP HIDs from ACPI space. + */ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/malloc.h> +#include <sys/bus.h> + +#include <isa/isavar.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +#define PNP_HEXTONUM(c) ((c) >= 'a' \ + ? (c) - 'a' + 10 \ + : ((c) >= 'A' \ + ? (c) - 'A' + 10 \ + : (c) - '0')) +#define PNP_EISAID(s) \ + ((((s[0] - '@') & 0x1f) << 2) \ + | (((s[1] - '@') & 0x18) >> 3) \ + | (((s[1] - '@') & 0x07) << 13) \ + | (((s[2] - '@') & 0x1f) << 8) \ + | (PNP_HEXTONUM(s[4]) << 16) \ + | (PNP_HEXTONUM(s[3]) << 20) \ + | (PNP_HEXTONUM(s[6]) << 24) \ + | (PNP_HEXTONUM(s[5]) << 28)) + +static void acpi_isa_set_init(device_t dev, void **context); +static void acpi_isa_set_done(device_t dev, void *context); +static void acpi_isa_set_ioport(device_t dev, void *context, u_int32_t base, u_int32_t length); +static void acpi_isa_set_iorange(device_t dev, void *context, u_int32_t low, u_int32_t high, + u_int32_t length, u_int32_t align); +static void acpi_isa_set_memory(device_t dev, void *context, u_int32_t base, u_int32_t length); +static void acpi_isa_set_memoryrange(device_t dev, void *context, u_int32_t low, u_int32_t high, + u_int32_t length, u_int32_t align); +static void acpi_isa_set_irq(device_t dev, void *context, u_int32_t irq); +static void acpi_isa_set_drq(device_t dev, void *context, u_int32_t drq); +static void acpi_isa_set_start_dependant(device_t dev, void *context, int preference); +static void acpi_isa_set_end_dependant(device_t dev, void *context); + +static struct acpi_parse_resource_set acpi_isa_parse_set = { + acpi_isa_set_init, + acpi_isa_set_done, + acpi_isa_set_ioport, + acpi_isa_set_iorange, + acpi_isa_set_memory, + acpi_isa_set_memoryrange, + acpi_isa_set_irq, + acpi_isa_set_drq, + acpi_isa_set_start_dependant, + acpi_isa_set_end_dependant +}; + +#define MAXDEP 8 + +struct acpi_isa_context { + int ai_config; + int ai_nconfigs; + struct isa_config ai_configs[MAXDEP + 1]; + int ai_priorities[MAXDEP + 1]; +}; + +static void acpi_isa_set_config(void *arg, struct isa_config *config, int enable); +static void acpi_isa_identify(driver_t *driver, device_t bus); +static ACPI_STATUS acpi_isa_identify_child(ACPI_HANDLE handle, UINT32 level, + void *context, void **status); + +static device_method_t acpi_isa_methods[] = { + DEVMETHOD(device_identify, acpi_isa_identify), + {0, 0} +}; + +static driver_t acpi_isa_driver = { + "acpi_isa", + acpi_isa_methods, + 1, +}; + +static devclass_t acpi_isa_devclass; +DRIVER_MODULE(acpi_isa, isa, acpi_isa_driver, acpi_isa_devclass, 0, 0); + +/* + * This function is called to make the selected configuration + * active. + */ +static void +acpi_isa_set_config(void *arg, struct isa_config *config, int enable) +{ +} + +/* + * Interrogate ACPI for devices which might be attatched to an ISA + * bus. + * + * Note that it is difficult to determine whether a device in the ACPI + * namespace is or is not visible to the ISA bus, and thus we are a + * little too generous here and just export everything with _HID + * and _CRS. + */ +static void +acpi_isa_identify(driver_t *driver, device_t bus) +{ + ACPI_HANDLE parent; + ACPI_STATUS status; + + /* + * Look for the _SB_ scope, which will contain all the devices + * we are likely to support. + */ + if ((status = AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_SB_", &parent)) != AE_OK) { + device_printf(bus, "no ACPI _SB_ scope - %s\n", acpi_strerror(status)); + return; + } + + if ((status = AcpiWalkNamespace(ACPI_TYPE_DEVICE, parent, 100, acpi_isa_identify_child, bus, NULL)) != AE_OK) { + device_printf(bus, "AcpiWalkNamespace on _SB_ failed - %s\n", acpi_strerror(status)); + return; + } +} + +/* + * Check a device to see whether it makes sense to try attaching it to an + * ISA bus, and if so, do so. + * + * Note that we *must* always return AE_OK, or the namespace walk will terminate. + * + * XXX Note also that this is picking up a *lot* of things that are not ISA devices. + * Should we consider lazy-binding this so that only the ID is saved and resources + * are not parsed until the device is claimed by a driver? + */ +static ACPI_STATUS +acpi_isa_identify_child(ACPI_HANDLE handle, UINT32 level, void *context, void **status) +{ + ACPI_DEVICE_INFO devinfo; + ACPI_BUFFER buf; + device_t child, bus = (device_t)context; + u_int32_t devid; + + /* + * Try to get information about the device + */ + if (AcpiGetObjectInfo(handle, &devinfo) != AE_OK) + return(AE_OK); + + /* + * Reformat the _HID value into 32 bits. + */ + if (!(devinfo.Valid & ACPI_VALID_HID)) + return(AE_OK); + + /* + * XXX Try to avoid passing stuff to ISA that it just isn't interested + * in. This is the *wrong* solution, and what needs to be done + * involves just sending ISA the PnP ID and a handle, and then + * lazy-parsing the resources if and only if a driver attaches. + * With the way that ISA currently works (using bus_probe_and_attach) + * this is very difficult. Maybe we need a device_configure method? + */ + if (!(strncmp(devinfo.HardwareId, "PNP0C", 5))) + return(AE_OK); + + devid = PNP_EISAID(devinfo.HardwareId); + + /* XXX check _STA here? */ + if (devinfo.Valid & ACPI_VALID_STA) { + } + + /* + * Fetch our current settings. + * + * XXX Note that we may want to support alternate settings at some + * point as well. + */ + if (acpi_GetIntoBuffer(handle, AcpiGetCurrentResources, &buf) != AE_OK) + return(AE_OK); + + /* + * Add the device and parse our resources + */ + child = BUS_ADD_CHILD(bus, ISA_ORDER_PNP, NULL, -1); + isa_set_vendorid(child, devid); + isa_set_logicalid(child, devid); + ISA_SET_CONFIG_CALLBACK(bus, child, acpi_isa_set_config, 0); + acpi_parse_resources(child, handle, &acpi_isa_parse_set); + AcpiOsFree(buf.Pointer); + + if (!device_get_desc(child)) + device_set_desc_copy(child, devinfo.HardwareId); + + /* + * XXX Parse configuration data and _CID list to find compatible IDs + */ + return(AE_OK); +} + +static void +acpi_isa_set_init(device_t dev, void **context) +{ + struct acpi_isa_context *cp; + + cp = malloc(sizeof(*cp), M_DEVBUF, M_NOWAIT); + bzero(cp, sizeof(*cp)); + cp->ai_nconfigs = 1; + *context = cp; +} + +static void +acpi_isa_set_done(device_t dev, void *context) +{ + struct acpi_isa_context *cp = (struct acpi_isa_context *)context; + struct isa_config *config, *configs; + device_t parent; + int i, j; + + if (cp == NULL) + return; + parent = device_get_parent(dev); + + /* simple config without dependants */ + if (cp->ai_nconfigs == 1) { + ISA_ADD_CONFIG(parent, dev, cp->ai_priorities[0], &cp->ai_configs[0]); + goto done; + } + + /* Cycle through dependant configs merging primary details */ + configs = &cp->ai_configs[0]; + for(i = 1; i < cp->ai_nconfigs; i++) { + config = &configs[i]; + for(j = 0; j < configs[0].ic_nmem; j++) { + if (config->ic_nmem == ISA_NMEM) { + device_printf(parent, "too many memory ranges\n"); + free(configs, M_DEVBUF); + return; + } + config->ic_mem[config->ic_nmem] = configs[0].ic_mem[j]; + config->ic_nmem++; + } + for(j = 0; j < configs[0].ic_nport; j++) { + if (config->ic_nport == ISA_NPORT) { + device_printf(parent, "too many port ranges\n"); + free(configs, M_DEVBUF); + return; + } + config->ic_port[config->ic_nport] = configs[0].ic_port[j]; + config->ic_nport++; + } + for(j = 0; j < configs[0].ic_nirq; j++) { + if (config->ic_nirq == ISA_NIRQ) { + device_printf(parent, "too many irq ranges\n"); + free(configs, M_DEVBUF); + return; + } + config->ic_irqmask[config->ic_nirq] = configs[0].ic_irqmask[j]; + config->ic_nirq++; + } + for(j = 0; j < configs[0].ic_ndrq; j++) { + if (config->ic_ndrq == ISA_NDRQ) { + device_printf(parent, "too many drq ranges\n"); + free(configs, M_DEVBUF); + return; + } + config->ic_drqmask[config->ic_ndrq] = configs[0].ic_drqmask[j]; + config->ic_ndrq++; + } + (void)ISA_ADD_CONFIG(parent, dev, cp->ai_priorities[i], &configs[i]); + } + +done: + free(cp, M_DEVBUF); +} + +static void +acpi_isa_set_ioport(device_t dev, void *context, u_int32_t base, u_int32_t length) +{ + struct acpi_isa_context *cp = (struct acpi_isa_context *)context; + struct isa_config *ic = &cp->ai_configs[cp->ai_config]; + + if (cp == NULL) + return; + if (ic->ic_nport == ISA_NPORT) { + printf("too many ports\n"); + return; + } + ic->ic_port[ic->ic_nport].ir_start = base; + ic->ic_port[ic->ic_nport].ir_end = base + length - 1; + ic->ic_port[ic->ic_nport].ir_size = length; + ic->ic_port[ic->ic_nport].ir_align = 1; + ic->ic_nport++; +} + +static void +acpi_isa_set_iorange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align) +{ + struct acpi_isa_context *cp = (struct acpi_isa_context *)context; + struct isa_config *ic = &cp->ai_configs[cp->ai_config]; + + if (cp == NULL) + return; + if (ic->ic_nport == ISA_NPORT) { + printf("too many ports\n"); + return; + } + ic->ic_port[ic->ic_nport].ir_start = low; + ic->ic_port[ic->ic_nport].ir_end = high + length - 1; + ic->ic_port[ic->ic_nport].ir_size = length; + ic->ic_port[ic->ic_nport].ir_align = imin(1, align); + ic->ic_nport++; +} + +static void +acpi_isa_set_memory(device_t dev, void *context, u_int32_t base, u_int32_t length) +{ + struct acpi_isa_context *cp = (struct acpi_isa_context *)context; + struct isa_config *ic = &cp->ai_configs[cp->ai_config]; + + if (cp == NULL) + return; + if (ic->ic_nmem == ISA_NMEM) { + printf("too many memory ranges\n"); + return; + } + ic->ic_mem[ic->ic_nmem].ir_start = base; + ic->ic_mem[ic->ic_nmem].ir_end = base + length - 1; + ic->ic_mem[ic->ic_nmem].ir_size = length; + ic->ic_mem[ic->ic_nmem].ir_align = 1; + ic->ic_nmem++; +} + +static void +acpi_isa_set_memoryrange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align) +{ + struct acpi_isa_context *cp = (struct acpi_isa_context *)context; + struct isa_config *ic = &cp->ai_configs[cp->ai_config]; + + if (cp == NULL) + return; + if (ic->ic_nmem == ISA_NMEM) { + printf("too many memory ranges\n"); + return; + } + ic->ic_mem[ic->ic_nmem].ir_start = low; + ic->ic_mem[ic->ic_nmem].ir_end = high + length - 1; + ic->ic_mem[ic->ic_nmem].ir_size = length; + ic->ic_mem[ic->ic_nmem].ir_align = imin(1, align); + ic->ic_nmem++; +} + +static void +acpi_isa_set_irq(device_t dev, void *context, u_int32_t irq) +{ + struct acpi_isa_context *cp = (struct acpi_isa_context *)context; + struct isa_config *ic = &cp->ai_configs[cp->ai_config]; + + if (cp == NULL) + return; + if (ic->ic_nirq == ISA_NIRQ) { + printf("too many IRQs\n"); + return; + } + ic->ic_irqmask[ic->ic_nirq] = 1 << irq; + ic->ic_nirq++; +} + +static void +acpi_isa_set_drq(device_t dev, void *context, u_int32_t drq) +{ + struct acpi_isa_context *cp = (struct acpi_isa_context *)context; + struct isa_config *ic = &cp->ai_configs[cp->ai_config]; + + if (cp == NULL) + return; + if (ic->ic_nirq == ISA_NDRQ) { + printf("too many DRQs\n"); + return; + } + ic->ic_drqmask[ic->ic_ndrq] = drq; + ic->ic_ndrq++; +} + +/* + * XXX the "too many dependant configs" logic here is wrong, and + * will spam the last dependant config. + */ +static void +acpi_isa_set_start_dependant(device_t dev, void *context, int preference) +{ + struct acpi_isa_context *cp = (struct acpi_isa_context *)context; + + if (cp == NULL) + return; + + if (cp->ai_nconfigs > MAXDEP) { + printf("too many dependant configs\n"); + return; + } + cp->ai_config = cp->ai_nconfigs; + cp->ai_priorities[cp->ai_config] = preference; + cp->ai_nconfigs++; +} + +static void +acpi_isa_set_end_dependant(device_t dev, void *context) +{ + struct acpi_isa_context *cp = (struct acpi_isa_context *)context; + + if (cp == NULL) + return; + cp->ai_config = 0; +} diff --git a/sys/dev/acpica/acpi_lid.c b/sys/dev/acpica/acpi_lid.c new file mode 100644 index 0000000..b32cdc6 --- /dev/null +++ b/sys/dev/acpica/acpi_lid.c @@ -0,0 +1,152 @@ +/*- + * Copyright (c) 2000 Takanori Watanabe <takawata@jp.freebsd.org> + * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> + * Copyright (c) 2000 Michael Smith <msmith@freebd.org> + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +struct acpi_lid_softc { + device_t lid_dev; + ACPI_HANDLE lid_handle; + int lid_status; /* open or closed */ +}; + +static int acpi_lid_probe(device_t dev); +static int acpi_lid_attach(device_t dev); +static void acpi_lid_notify_status_changed(void *arg); +static void acpi_lid_notify_handler(ACPI_HANDLE h,UINT32 notify, void *context); + +static device_method_t acpi_lid_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, acpi_lid_probe), + DEVMETHOD(device_attach, acpi_lid_attach), + + {0, 0} +}; + +static driver_t acpi_lid_driver = { + "acpi_lid", + acpi_lid_methods, + sizeof(struct acpi_lid_softc), +}; + +devclass_t acpi_lid_devclass; +DRIVER_MODULE(acpi_lid, acpi, acpi_lid_driver, acpi_lid_devclass, 0, 0); + +static int +acpi_lid_probe(device_t dev) +{ + if ((acpi_get_type(dev) == ACPI_TYPE_DEVICE) && + acpi_MatchHid(dev, "PNP0C0D")) { + device_set_desc(dev, "Control Method Lid Switch"); + return(0); + } + return(ENXIO); +} + +static int +acpi_lid_attach(device_t dev) +{ + struct acpi_lid_softc *sc; + + sc = device_get_softc(dev); + sc->lid_dev = dev; + sc->lid_handle = acpi_get_handle(dev); + + /* + * Install notification handler + */ + AcpiInstallNotifyHandler(sc->lid_handle, ACPI_DEVICE_NOTIFY, acpi_lid_notify_handler, sc); + return(0); +} + +static void +acpi_lid_notify_status_changed(void *arg) +{ + struct acpi_lid_softc *sc; + struct acpi_softc *acpi_sc; + ACPI_BUFFER Buffer; + ACPI_OBJECT Object; + + sc = (struct acpi_lid_softc *)arg; + + /* + * Evaluate _LID and check the return value + * Zero: The lid is closed + * Non-zero: The lid is open + */ + Buffer.Length = sizeof(Object); + Buffer.Pointer = &Object; + if (AcpiEvaluateObject(sc->lid_handle, "_LID", NULL, &Buffer) != AE_OK) + return; + if (Object.Type != ACPI_TYPE_NUMBER) + return; + + /* + * Update lid status + */ + sc->lid_status = Object.Number.Value; + device_printf(sc->lid_dev, "Lid %s\n", sc->lid_status ? "opened" : "closed"); + + acpi_sc = acpi_device_get_parent_softc(sc->lid_dev); + if (acpi_sc == NULL) { + return; + } + + if (sc->lid_status == 0) { + EVENTHANDLER_INVOKE(acpi_sleep_event, acpi_sc->acpi_lid_switch_sx); + } else { + EVENTHANDLER_INVOKE(acpi_wakeup_event, acpi_sc->acpi_lid_switch_sx); + } +} + +/* XXX maybe not here */ +#define ACPI_NOTIFY_STATUS_CHANGED 0x80 + +static void +acpi_lid_notify_handler(ACPI_HANDLE h, UINT32 notify, void *context) +{ + struct acpi_lid_softc *sc = (struct acpi_lid_softc *)context; + + switch (notify) { + case ACPI_NOTIFY_STATUS_CHANGED: + AcpiOsQueueForExecution(OSD_PRIORITY_LO, acpi_lid_notify_status_changed, sc); + break; + default: + return; /* unknown notification value */ + } +} + diff --git a/sys/dev/acpica/acpi_pcib.c b/sys/dev/acpica/acpi_pcib.c new file mode 100644 index 0000000..43c2f3d --- /dev/null +++ b/sys/dev/acpica/acpi_pcib.c @@ -0,0 +1,236 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +#include <machine/pci_cfgreg.h> +#include <pci/pcivar.h> +#include "pcib_if.h" + +struct acpi_pcib_softc { + device_t ap_dev; + ACPI_HANDLE ap_handle; + + int ap_segment; /* analagous to Alpha 'hose' */ + int ap_bus; /* bios-assigned bus number */ +}; + +static int acpi_pcib_probe(device_t bus); +static int acpi_pcib_attach(device_t bus); +static int acpi_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result); +static int acpi_pcib_write_ivar(device_t dev, device_t child, int which, uintptr_t value); +static int acpi_pcib_maxslots(device_t dev); +static u_int32_t acpi_pcib_read_config(device_t dev, int bus, int slot, int func, int reg, int bytes); +static void acpi_pcib_write_config(device_t dev, int bus, int slot, int func, int reg, + u_int32_t data, int bytes); +static int acpi_pcib_route_interrupt(device_t bus, int device, int pin); + +static device_method_t acpi_pcib_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, acpi_pcib_probe), + DEVMETHOD(device_attach, acpi_pcib_attach), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + + /* Bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + DEVMETHOD(bus_read_ivar, acpi_pcib_read_ivar), + DEVMETHOD(bus_write_ivar, acpi_pcib_write_ivar), + DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), + DEVMETHOD(bus_release_resource, bus_generic_release_resource), + DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), + DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), + DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), + DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), + + /* pcib interface */ + DEVMETHOD(pcib_maxslots, acpi_pcib_maxslots), + DEVMETHOD(pcib_read_config, acpi_pcib_read_config), + DEVMETHOD(pcib_write_config, acpi_pcib_write_config), + DEVMETHOD(pcib_route_interrupt, acpi_pcib_route_interrupt), + + {0, 0} +}; + +static driver_t acpi_pcib_driver = { + "acpi_pcib", + acpi_pcib_methods, + sizeof(struct acpi_pcib_softc), +}; + +devclass_t acpi_pcib_devclass; +DRIVER_MODULE(acpi_pcib, acpi, acpi_pcib_driver, acpi_pcib_devclass, 0, 0); + +static int +acpi_pcib_probe(device_t dev) +{ + + if ((acpi_get_type(dev) == ACPI_TYPE_DEVICE) && + acpi_MatchHid(dev, "PNP0A03")) { + + /* + * Set device description + */ + device_set_desc(dev, "Host-PCI bridge"); + return(0); + } + return(ENXIO); +} + +static int +acpi_pcib_attach(device_t dev) +{ + struct acpi_pcib_softc *sc; + device_t child; + ACPI_STATUS status; + + sc = device_get_softc(dev); + sc->ap_dev = dev; + sc->ap_handle = acpi_get_handle(dev); + + /* + * Don't attach if we're not really there. + * + * XXX this isn't entirely correct, since we may be a PCI bus + * on a hot-plug docking station, etc. + */ + if (!acpi_DeviceIsPresent(dev)) + return(ENXIO); + + /* + * Get our segment number by evaluating _SEG + * It's OK for this to not exist. + */ + if ((status = acpi_EvaluateNumber(sc->ap_handle, "_SEG", &sc->ap_segment)) != AE_OK) { + if (status != AE_NOT_FOUND) { + device_printf(dev, "could not evaluate _SEG - %s\n", acpi_strerror(status)); + return(ENXIO); + } + /* if it's not found, assume 0 */ + sc->ap_segment = 0; + } + + /* + * Get our base bus number by evaluating _BBN + * If this doesn't exist, we assume we're bus number 0. + * + * XXX note that it may also not exist in the case where we are + * meant to use a private configuration space mechanism for this bus, + * so we should dig out our resources and check to see if we have + * anything like that. How do we do this? + */ + if ((status = acpi_EvaluateNumber(sc->ap_handle, "_BBN", &sc->ap_bus)) != AE_OK) { + if (status != AE_NOT_FOUND) { + device_printf(dev, "could not evaluate _BBN - %s\n", acpi_strerror(status)); + return(ENXIO); + } + /* if it's not found, assume 0 */ + sc->ap_bus = 0; + } + + /* + * XXX we should check here to make sure that this bus number hasn't already + * been attached. It shouldn't really be an issue. + */ + if ((child = device_add_child(dev, "pci", sc->ap_bus)) == NULL) { + device_printf(device_get_parent(dev), "couldn't attach pci bus"); + return(ENXIO); + } + /* + * XXX If we have the requisite information, and if we don't think the + * default PCI configuration space handlers can deal with this bus, + * we should attach our own handler. + */ + /* XXX invoke _REG on this for the PCI config space address space? */ + + /* + * Now go scan the bus. + * + * XXX is it possible to defer this and count on the nexus getting to it + * reliably after it's finished with ACPI? Should we really care? + */ + return(bus_generic_attach(dev)); +} + +static int +acpi_pcib_maxslots(device_t dev) +{ + return(31); +} + +static int +acpi_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) +{ + struct acpi_pcib_softc *sc = device_get_softc(dev); + + switch (which) { + case PCIB_IVAR_BUS: + *result = sc->ap_bus; + return(0); + } + return(ENOENT); +} + +static int +acpi_pcib_write_ivar(device_t dev, device_t child, int which, uintptr_t value) +{ + struct acpi_pcib_softc *sc = device_get_softc(dev); + + switch (which) { + case PCIB_IVAR_BUS: + sc->ap_bus = value; + return(0); + } + return(ENOENT); +} + +static u_int32_t +acpi_pcib_read_config(device_t dev, int bus, int slot, int func, int reg, int bytes) +{ + return(pci_cfgregread(bus, slot, func, reg, bytes)); +} + +static void +acpi_pcib_write_config(device_t dev, int bus, int slot, int func, int reg, u_int32_t data, int bytes) +{ + pci_cfgregwrite(bus, slot, func, reg, data, bytes); +} + +static int +acpi_pcib_route_interrupt(device_t bus, int device, int pin) +{ + return(255); /* XXX implement */ +} diff --git a/sys/dev/acpica/acpi_pcib_acpi.c b/sys/dev/acpica/acpi_pcib_acpi.c new file mode 100644 index 0000000..43c2f3d --- /dev/null +++ b/sys/dev/acpica/acpi_pcib_acpi.c @@ -0,0 +1,236 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +#include <machine/pci_cfgreg.h> +#include <pci/pcivar.h> +#include "pcib_if.h" + +struct acpi_pcib_softc { + device_t ap_dev; + ACPI_HANDLE ap_handle; + + int ap_segment; /* analagous to Alpha 'hose' */ + int ap_bus; /* bios-assigned bus number */ +}; + +static int acpi_pcib_probe(device_t bus); +static int acpi_pcib_attach(device_t bus); +static int acpi_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result); +static int acpi_pcib_write_ivar(device_t dev, device_t child, int which, uintptr_t value); +static int acpi_pcib_maxslots(device_t dev); +static u_int32_t acpi_pcib_read_config(device_t dev, int bus, int slot, int func, int reg, int bytes); +static void acpi_pcib_write_config(device_t dev, int bus, int slot, int func, int reg, + u_int32_t data, int bytes); +static int acpi_pcib_route_interrupt(device_t bus, int device, int pin); + +static device_method_t acpi_pcib_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, acpi_pcib_probe), + DEVMETHOD(device_attach, acpi_pcib_attach), + DEVMETHOD(device_shutdown, bus_generic_shutdown), + DEVMETHOD(device_suspend, bus_generic_suspend), + DEVMETHOD(device_resume, bus_generic_resume), + + /* Bus interface */ + DEVMETHOD(bus_print_child, bus_generic_print_child), + DEVMETHOD(bus_read_ivar, acpi_pcib_read_ivar), + DEVMETHOD(bus_write_ivar, acpi_pcib_write_ivar), + DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource), + DEVMETHOD(bus_release_resource, bus_generic_release_resource), + DEVMETHOD(bus_activate_resource, bus_generic_activate_resource), + DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource), + DEVMETHOD(bus_setup_intr, bus_generic_setup_intr), + DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr), + + /* pcib interface */ + DEVMETHOD(pcib_maxslots, acpi_pcib_maxslots), + DEVMETHOD(pcib_read_config, acpi_pcib_read_config), + DEVMETHOD(pcib_write_config, acpi_pcib_write_config), + DEVMETHOD(pcib_route_interrupt, acpi_pcib_route_interrupt), + + {0, 0} +}; + +static driver_t acpi_pcib_driver = { + "acpi_pcib", + acpi_pcib_methods, + sizeof(struct acpi_pcib_softc), +}; + +devclass_t acpi_pcib_devclass; +DRIVER_MODULE(acpi_pcib, acpi, acpi_pcib_driver, acpi_pcib_devclass, 0, 0); + +static int +acpi_pcib_probe(device_t dev) +{ + + if ((acpi_get_type(dev) == ACPI_TYPE_DEVICE) && + acpi_MatchHid(dev, "PNP0A03")) { + + /* + * Set device description + */ + device_set_desc(dev, "Host-PCI bridge"); + return(0); + } + return(ENXIO); +} + +static int +acpi_pcib_attach(device_t dev) +{ + struct acpi_pcib_softc *sc; + device_t child; + ACPI_STATUS status; + + sc = device_get_softc(dev); + sc->ap_dev = dev; + sc->ap_handle = acpi_get_handle(dev); + + /* + * Don't attach if we're not really there. + * + * XXX this isn't entirely correct, since we may be a PCI bus + * on a hot-plug docking station, etc. + */ + if (!acpi_DeviceIsPresent(dev)) + return(ENXIO); + + /* + * Get our segment number by evaluating _SEG + * It's OK for this to not exist. + */ + if ((status = acpi_EvaluateNumber(sc->ap_handle, "_SEG", &sc->ap_segment)) != AE_OK) { + if (status != AE_NOT_FOUND) { + device_printf(dev, "could not evaluate _SEG - %s\n", acpi_strerror(status)); + return(ENXIO); + } + /* if it's not found, assume 0 */ + sc->ap_segment = 0; + } + + /* + * Get our base bus number by evaluating _BBN + * If this doesn't exist, we assume we're bus number 0. + * + * XXX note that it may also not exist in the case where we are + * meant to use a private configuration space mechanism for this bus, + * so we should dig out our resources and check to see if we have + * anything like that. How do we do this? + */ + if ((status = acpi_EvaluateNumber(sc->ap_handle, "_BBN", &sc->ap_bus)) != AE_OK) { + if (status != AE_NOT_FOUND) { + device_printf(dev, "could not evaluate _BBN - %s\n", acpi_strerror(status)); + return(ENXIO); + } + /* if it's not found, assume 0 */ + sc->ap_bus = 0; + } + + /* + * XXX we should check here to make sure that this bus number hasn't already + * been attached. It shouldn't really be an issue. + */ + if ((child = device_add_child(dev, "pci", sc->ap_bus)) == NULL) { + device_printf(device_get_parent(dev), "couldn't attach pci bus"); + return(ENXIO); + } + /* + * XXX If we have the requisite information, and if we don't think the + * default PCI configuration space handlers can deal with this bus, + * we should attach our own handler. + */ + /* XXX invoke _REG on this for the PCI config space address space? */ + + /* + * Now go scan the bus. + * + * XXX is it possible to defer this and count on the nexus getting to it + * reliably after it's finished with ACPI? Should we really care? + */ + return(bus_generic_attach(dev)); +} + +static int +acpi_pcib_maxslots(device_t dev) +{ + return(31); +} + +static int +acpi_pcib_read_ivar(device_t dev, device_t child, int which, uintptr_t *result) +{ + struct acpi_pcib_softc *sc = device_get_softc(dev); + + switch (which) { + case PCIB_IVAR_BUS: + *result = sc->ap_bus; + return(0); + } + return(ENOENT); +} + +static int +acpi_pcib_write_ivar(device_t dev, device_t child, int which, uintptr_t value) +{ + struct acpi_pcib_softc *sc = device_get_softc(dev); + + switch (which) { + case PCIB_IVAR_BUS: + sc->ap_bus = value; + return(0); + } + return(ENOENT); +} + +static u_int32_t +acpi_pcib_read_config(device_t dev, int bus, int slot, int func, int reg, int bytes) +{ + return(pci_cfgregread(bus, slot, func, reg, bytes)); +} + +static void +acpi_pcib_write_config(device_t dev, int bus, int slot, int func, int reg, u_int32_t data, int bytes) +{ + pci_cfgregwrite(bus, slot, func, reg, data, bytes); +} + +static int +acpi_pcib_route_interrupt(device_t bus, int device, int pin) +{ + return(255); /* XXX implement */ +} diff --git a/sys/dev/acpica/acpi_processor.c b/sys/dev/acpica/acpi_processor.c new file mode 100644 index 0000000..627c8f9 --- /dev/null +++ b/sys/dev/acpica/acpi_processor.c @@ -0,0 +1,640 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ +/****************************************************************************** + * + * 1. Copyright Notice + * + * Some or all of this work - Copyright (c) 1999, Intel Corp. All rights + * reserved. + * + * 2. License + * + * 2.1. This is your license from Intel Corp. under its intellectual property + * rights. You may have additional license terms from the party that provided + * you this software, covering your right to use that party's intellectual + * property rights. + * + * 2.2. Intel grants, free of charge, to any person ("Licensee") obtaining a + * copy of the source code appearing in this file ("Covered Code") an + * irrevocable, perpetual, worldwide license under Intel's copyrights in the + * base code distributed originally by Intel ("Original Intel Code") to copy, + * make derivatives, distribute, use and display any portion of the Covered + * Code in any form, with the right to sublicense such rights; and + * + * 2.3. Intel grants Licensee a non-exclusive and non-transferable patent + * license (with the right to sublicense), under only those claims of Intel + * patents that are infringed by the Original Intel Code, to make, use, sell, + * offer to sell, and import the Covered Code and derivative works thereof + * solely to the minimum extent necessary to exercise the above copyright + * license, and in no event shall the patent license extend to any additions + * to or modifications of the Original Intel Code. No other license or right + * is granted directly or by implication, estoppel or otherwise; + * + * The above copyright and patent license is granted only if the following + * conditions are met: + * + * 3. Conditions + * + * 3.1. Redistribution of Source with Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification with rights to further distribute source must include + * the above Copyright Notice, the above License, this list of Conditions, + * and the following Disclaimer and Export Compliance provision. In addition, + * Licensee must cause all Covered Code to which Licensee contributes to + * contain a file documenting the changes Licensee made to create that Covered + * Code and the date of any change. Licensee must include in that file the + * documentation of any changes made by any predecessor Licensee. Licensee + * must include a prominent statement that the modification is derived, + * directly or indirectly, from Original Intel Code. + * + * 3.2. Redistribution of Source with no Rights to Further Distribute Source. + * Redistribution of source code of any substantial portion of the Covered + * Code or modification without rights to further distribute source must + * include the following Disclaimer and Export Compliance provision in the + * documentation and/or other materials provided with distribution. In + * addition, Licensee may not authorize further sublicense of source of any + * portion of the Covered Code, and must include terms to the effect that the + * license from Licensee to its licensee is limited to the intellectual + * property embodied in the software Licensee provides to its licensee, and + * not to intellectual property embodied in modifications its licensee may + * make. + * + * 3.3. Redistribution of Executable. Redistribution in executable form of any + * substantial portion of the Covered Code or modification must reproduce the + * above Copyright Notice, and the following Disclaimer and Export Compliance + * provision in the documentation and/or other materials provided with the + * distribution. + * + * 3.4. Intel retains all right, title, and interest in and to the Original + * Intel Code. + * + * 3.5. Neither the name Intel nor any other trademark owned or controlled by + * Intel shall be used in advertising or otherwise to promote the sale, use or + * other dealings in products derived from or relating to the Covered Code + * without prior written authorization from Intel. + * + * 4. Disclaimer and Export Compliance + * + * 4.1. INTEL MAKES NO WARRANTY OF ANY KIND REGARDING ANY SOFTWARE PROVIDED + * HERE. ANY SOFTWARE ORIGINATING FROM INTEL OR DERIVED FROM INTEL SOFTWARE + * IS PROVIDED "AS IS," AND INTEL WILL NOT PROVIDE ANY SUPPORT, ASSISTANCE, + * INSTALLATION, TRAINING OR OTHER SERVICES. INTEL WILL NOT PROVIDE ANY + * UPDATES, ENHANCEMENTS OR EXTENSIONS. INTEL SPECIFICALLY DISCLAIMS ANY + * IMPLIED WARRANTIES OF MERCHANTABILITY, NONINFRINGEMENT AND FITNESS FOR A + * PARTICULAR PURPOSE. + * + * 4.2. IN NO EVENT SHALL INTEL HAVE ANY LIABILITY TO LICENSEE, ITS LICENSEES + * OR ANY OTHER THIRD PARTY, FOR ANY LOST PROFITS, LOST DATA, LOSS OF USE OR + * COSTS OF PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES, OR FOR ANY INDIRECT, + * SPECIAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THIS AGREEMENT, UNDER ANY + * CAUSE OF ACTION OR THEORY OF LIABILITY, AND IRRESPECTIVE OF WHETHER INTEL + * HAS ADVANCE NOTICE OF THE POSSIBILITY OF SUCH DAMAGES. THESE LIMITATIONS + * SHALL APPLY NOTWITHSTANDING THE FAILURE OF THE ESSENTIAL PURPOSE OF ANY + * LIMITED REMEDY. + * + * 4.3. Licensee shall not export, either directly or indirectly, any of this + * software or system incorporating such software without first obtaining any + * required license or other approval from the U. S. Department of Commerce or + * any other agency or department of the United States Government. In the + * event Licensee exports any such software from the United States or + * re-exports any such software from a foreign destination, Licensee shall + * ensure that the distribution and export/re-export of the software is in + * compliance with all laws, regulations, orders, or other restrictions of the + * U.S. Export Administration Regulations. Licensee agrees that neither it nor + * any of its subsidiaries will export/re-export any technical data, process, + * software, or service, directly or indirectly, to any country for which the + * United States government or any agency thereof requires an export license, + * other governmental approval, or letter of assurance, without first obtaining + * such license, approval or letter. + * + *****************************************************************************/ + +/* + * Processor driver. + * + * XXX Note that the power state code here is almost certainly suboptimal. + * We should go raid the Linux code for their ideas and experience. + * + * Code style here is a hairy mix of BSD-like and Intel-like. Should be + * sanitised at some point. + */ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +#define PR_MAX_POWER_STATES 4 +#define PR_MAX_PERFORMANCE_STATES 8 +#define PR_MAX_THROTTLING_STATES 8 + +/* + * Processor Commands: + * ------------------- + */ +#define PR_COMMAND_GET_INFO ((BM_COMMAND) 0x80) +#define PR_COMMAND_SET_CX_STATE_INFO ((BM_COMMAND) 0x81) +#define PR_COMMAND_GET_THROTTLING_STATE ((BM_COMMAND) 0x82) +#define PR_COMMAND_SET_THROTTLING_STATE ((BM_COMMAND) 0x83) +#define PR_COMMAND_GET_PERF_STATE ((BM_COMMAND) 0x84) +#define PR_COMMAND_SET_PERF_STATE ((BM_COMMAND) 0x85) +#define PR_COMMAND_GET_CURRENT_FREQ ((BM_COMMAND) 0x86) + +/* + * PR_POWER_STATE: + * --------------- + */ +typedef u_int32_t PR_POWER_STATE; + +#define PR_POWER_STATE_UNKNOWN ((PR_POWER_STATE) 0xFFFFFFFF) + +#define PR_POWER_STATE_C0 ((PR_POWER_STATE) 0x00000000) +#define PR_POWER_STATE_C1 ((PR_POWER_STATE) 0x00000001) +#define PR_POWER_STATE_C2 ((PR_POWER_STATE) 0x00000002) +#define PR_POWER_STATE_C3 ((PR_POWER_STATE) 0x00000003) + +/* + * Processor Notifications: + * ------------------------ + */ +#define PR_NOTIFY_PERF_STATES_CHANGE ((BM_NOTIFY) 0x80) +#define PR_NOTIFY_POWER_STATES_CHANGE ((BM_NOTIFY) 0x81) + + +typedef struct +{ + u_int32_t TimeThreshold; + u_int32_t CountThreshold; + u_int32_t Count; + PR_POWER_STATE TargetState; +} PR_POLICY_VALUES; + +/* + * PR_CX_STATE_INFO: + * ----------------- + */ +typedef struct +{ + u_int32_t Latency; + u_int64_t Utilization; + PR_POLICY_VALUES PromotionPolicy; + PR_POLICY_VALUES DemotionPolicy; +} PR_CX_STATE_INFO; + +/* + * PR_POWER_INFO: + * -------------- + */ +typedef struct +{ + u_int32_t Count; + PR_POWER_STATE ActiveState; + PR_CX_STATE_INFO Info[PR_MAX_POWER_STATES]; +} PR_POWER_INFO; + +/* + * PR_PERFORMANCE_INFO: + * -------------------- + */ +typedef struct +{ + u_int32_t Count; + /* TODO... */ +} PR_PERFORMANCE_INFO; + +/* + * PR_THROTTLING_INFO: + * ------------------- + */ +typedef struct +{ + u_int32_t Count; + u_int32_t Percentage[PR_MAX_THROTTLING_STATES]; +} PR_THROTTLING_INFO; + +struct acpi_pr_softc { + device_t pr_dev; + ACPI_HANDLE pr_handle; + PR_POWER_INFO pr_PowerStates; + PR_PERFORMANCE_INFO pr_PerformanceStates; + PR_THROTTLING_INFO pr_ThrottlingStates; + eventhandler_tag pr_idleevent; + + /* local APIC data */ + PROCESSOR_APIC pr_lapic; +}; + +#define PR_MAGIC 0x20555043 /* "CPU " */ + +static void acpi_pr_identify(driver_t *driver, device_t bus); +static ACPI_STATUS acpi_pr_identify_cpu(ACPI_HANDLE handle, UINT32 level, void *context, void **status); +static int acpi_pr_probe(device_t dev); +static int acpi_pr_attach(device_t dev); + +static void acpi_pr_FindLapic(device_t dev, ACPI_HANDLE handle, PROCESSOR_APIC *lapic); +static ACPI_STATUS acpi_pr_CalculatePowerStates(struct acpi_pr_softc *sc); +static ACPI_STATUS acpi_pr_CalculatePerformanceStates(struct acpi_pr_softc *sc); +static ACPI_STATUS acpi_pr_CalculateThrottlingStates(struct acpi_pr_softc *sc); +static void acpi_pr_IdleHandler(void *arg, int count); +static ACPI_STATUS acpi_pr_PolicyInitialize(struct acpi_pr_softc *sc); + +static device_method_t acpi_pr_methods[] = { + /* Device interface */ + DEVMETHOD(device_identify, acpi_pr_identify), + DEVMETHOD(device_probe, acpi_pr_probe), + DEVMETHOD(device_attach, acpi_pr_attach), + + {0, 0} +}; + +static driver_t acpi_pr_driver = { + "acpi_pr", + acpi_pr_methods, + sizeof(struct acpi_pr_softc), +}; + +devclass_t acpi_pr_devclass; +DRIVER_MODULE(acpi_pr, acpi, acpi_pr_driver, acpi_pr_devclass, 0, 0); + +/* + * Scan the \_PR_ scope for processor objects, and attach them accordingly. + * + * XXX note that we should find the local APIC address and obtain a resource + * that we can hand to child devices for access to it... + */ +static void +acpi_pr_identify(driver_t *driver, device_t bus) +{ + ACPI_HANDLE handle; + + if (AcpiGetHandle(ACPI_ROOT_OBJECT, "\\_PR_", &handle) == AE_OK) + AcpiWalkNamespace(ACPI_TYPE_PROCESSOR, handle, 2, acpi_pr_identify_cpu, bus, NULL); +} + +/* + * Create a child device for CPUs + */ +static ACPI_STATUS +acpi_pr_identify_cpu(ACPI_HANDLE handle, UINT32 level, void *context, void **status) +{ + device_t bus = (device_t)context; + device_t child; + PROCESSOR_APIC lapic; + + + acpi_pr_FindLapic(bus, handle, &lapic); + + if (lapic.ProcessorEnabled) { + if ((child = BUS_ADD_CHILD(bus, 0, "acpi_pr", -1)) == NULL) { + device_printf(bus, "could not create CPU device\n"); + return(AE_OK); + } + acpi_set_handle(child, handle); + acpi_set_magic(child, PR_MAGIC); + device_set_desc(child, "processor device"); + } + + return(AE_OK); +} + +static int +acpi_pr_probe(device_t dev) +{ + if (acpi_get_magic(dev) == PR_MAGIC) + return(0); + return(ENXIO); +} + +static int +acpi_pr_attach(device_t dev) +{ + struct acpi_pr_softc *sc; + + sc = device_get_softc(dev); + sc->pr_dev = dev; + sc->pr_handle = acpi_get_handle(dev); + acpi_pr_FindLapic(dev, sc->pr_handle, &sc->pr_lapic); + + /* + * If the APIC information is valid, print it + */ + if (sc->pr_lapic.LocalApicId != (UINT8)0xff) + device_printf(dev, "local APIC ID %d\n", sc->pr_lapic.LocalApicId); + + /* + * Fetch operational parameters. + */ + if (acpi_pr_CalculatePowerStates(sc) == AE_OK) { + acpi_pr_PolicyInitialize(sc); + } + acpi_pr_CalculatePerformanceStates(sc); + acpi_pr_CalculateThrottlingStates(sc); + + /* XXX call MD cpu-identification here? */ + + return(0); +} + +/* + * Find the Local Apic information for this CPU + */ +static void +acpi_pr_FindLapic(device_t dev, ACPI_HANDLE handle, PROCESSOR_APIC *lapic) +{ + ACPI_BUFFER buf; + ACPI_STATUS status; + APIC_HEADER *hdr; + APIC_TABLE *tbl; + PROCESSOR_APIC *pap; + int len, cpuno; + + /* + * Assume that we're not going to suceed in finding/parsing the APIC table. + * In this case, CPU 0 is valid, and any other CPU is invalid. + */ + lapic->LocalApicId = 0xff; + lapic->ProcessorEnabled = 0; + if ((status = AcpiGetProcessorId(handle, &cpuno)) != AE_OK) { + device_printf(dev, "error fetching CPU device ID - %s\n", acpi_strerror(status)); + return; + } + lapic->ProcessorEnabled = (cpuno == 0); + + /* + * Perform the tedious double-get to fetch the actual APIC table, and suck it in. + */ + buf.Length = 0; + buf.Pointer = NULL; + if ((status = AcpiGetTable(ACPI_TABLE_APIC, 1, &buf)) != AE_BUFFER_OVERFLOW) { + if (status != AE_NOT_EXIST) + device_printf(dev, "error sizing APIC table - %s\n", acpi_strerror(status)); + return; + } + if ((buf.Pointer = AcpiOsAllocate(buf.Length)) == NULL) + return; + if ((status = AcpiGetTable(ACPI_TABLE_APIC, 1, &buf)) != AE_OK) { + device_printf(dev, "error fetching APIC table - %s\n", acpi_strerror(status)); + return; + } + + /* + * Scan the tables looking for this CPU index. + */ + tbl = (APIC_TABLE *)buf.Pointer; + len = tbl->header.Length - sizeof(APIC_TABLE); + hdr = (APIC_HEADER *)((char *)buf.Pointer + sizeof(APIC_TABLE)); + while(len > 0) { + if (hdr->Length > len) { + device_printf(dev, "APIC header corrupt (claims %d bytes where only %d left in structure)\n", + hdr->Length, len); + break; + } + /* + * If we have found a processor APIC definition with + * matching CPU index, copy it out and return. + */ + if (hdr->Type == APIC_PROC) { + pap = (PROCESSOR_APIC *)hdr; + if (pap->ProcessorApicId == cpuno) { + bcopy(pap, lapic, sizeof(*pap)); + break; + } + } + len -= hdr->Length; + hdr = (APIC_HEADER *)((char *)hdr + hdr->Length); + } + AcpiOsFree(buf.Pointer); +} + +static ACPI_STATUS +acpi_pr_CalculatePowerStates(struct acpi_pr_softc *sc) +{ + ACPI_STATUS Status = AE_OK; + ACPI_BUFFER Buffer; + ACPI_CX_STATE *State = NULL; + u_int32_t StateCount = 0; + u_int32_t i = 0; + + /* + * Set Latency Defaults: + * --------------------- + * Default state latency to ACPI_UINT32_MAX -- meaning that this state + * should not be used by policy. This value is overriden by states + * that are present and have usable latencies (e.g. <= 1000us for C3). + */ + for (i = 0; i < PR_MAX_POWER_STATES; i++) + sc->pr_PowerStates.Info[i].Latency = ACPI_UINT32_MAX; + + /* + * Get Power State Latencies: + * -------------------------- + * + * XXX Note that ACPICA will never give us back C2 if it costs more than 100us, + * or C3 if it costs more than 1000us, so some of this code is redundant. + */ + Status = acpi_GetIntoBuffer(sc->pr_handle, AcpiGetProcessorCxInfo, &Buffer); + if (Status != AE_OK) { + device_printf(sc->pr_dev, "could not fetch ProcessorCxInfo - %s\n", acpi_strerror(Status)); + return(Status); + } + + State = (ACPI_CX_STATE*)(Buffer.Pointer); + if (State != NULL) { + device_printf(sc->pr_dev, "supported power states:"); + StateCount = Buffer.Length / sizeof(ACPI_CX_STATE); + for (i = 0; i < StateCount; i++) { + /* XXX C3 isn't supportable in MP configurations, how to best handle this? */ + if ((State[i].StateNumber < PR_MAX_POWER_STATES) && (State[i].Latency <= 1000)) { + printf(" C%d (%dus)", i, State[i].Latency); + sc->pr_PowerStates.Info[State[i].StateNumber].Latency = State[i].Latency; + } + } + printf("\n"); + } + sc->pr_PowerStates.Count = PR_MAX_POWER_STATES; + sc->pr_PowerStates.ActiveState = PR_POWER_STATE_C1; + + AcpiOsFree(Buffer.Pointer); + return(Status); +} + +static ACPI_STATUS +acpi_pr_CalculatePerformanceStates(struct acpi_pr_softc *sc) +{ + ACPI_STATUS Status = AE_OK; + + /* TODO... */ + + return(Status); +} + +static ACPI_STATUS +acpi_pr_CalculateThrottlingStates(struct acpi_pr_softc *sc) +{ + ACPI_STATUS Status = AE_OK; + ACPI_BUFFER Buffer; + ACPI_CPU_THROTTLING_STATE *State = NULL; + u_int32_t StateCount = 0; + u_int32_t i = 0; + + /* + * Get Throttling States: + * ---------------------- + */ + Status = acpi_GetIntoBuffer(sc->pr_handle, AcpiGetProcessorThrottlingInfo, &Buffer); + if (Status != AE_OK) { + device_printf(sc->pr_dev, "could not fetch ThrottlingInfo - %s\n", acpi_strerror(Status)); + return(Status); + } + + State = (ACPI_CPU_THROTTLING_STATE*)(Buffer.Pointer); + if (State != NULL) { + StateCount = Buffer.Length / sizeof(ACPI_CPU_THROTTLING_STATE); + device_printf(sc->pr_dev, "supported throttling states:"); + for (i = 0; i < StateCount; i++) { + if (State[i].StateNumber < PR_MAX_THROTTLING_STATES) { + /* TODO: Verify that state is *really* supported by this chipset/processor (e.g. errata). */ + sc->pr_ThrottlingStates.Percentage[State[i].StateNumber] = State[i].PercentOfClock; + sc->pr_ThrottlingStates.Count++; + printf(" %d%%", State[i].PercentOfClock); + } + } + printf("\n"); + } + + AcpiOsFree(Buffer.Pointer); + return(Status); +} + +static ACPI_STATUS +acpi_pr_PolicyInitialize(struct acpi_pr_softc *sc) +{ + ACPI_STATUS status; + + if ((status = AcpiSetProcessorSleepState(sc->pr_handle, sc->pr_PowerStates.ActiveState)) != AE_OK) { + device_printf(sc->pr_dev, "could not set Active sleep state - %s\n", acpi_strerror(status)); + return(status); + } + + /* XXX need to hook ourselves to be called when things go idle */ +/* sc->pr_idleevent = EVENTHANDLER_FAST_REGISTER(idle_event, acpi_pr_IdleHandler, sc, IDLE_PRI_FIRST); */ + return(AE_OK); +} + +static void +acpi_pr_IdleHandler(void *arg, int count) +{ + struct acpi_pr_softc *sc = (struct acpi_pr_softc *)arg; + ACPI_STATUS Status = AE_OK; + PR_CX_STATE_INFO *CxState = NULL; + PR_POWER_STATE ActiveState = PR_POWER_STATE_UNKNOWN; + PR_POWER_STATE NextState = PR_POWER_STATE_UNKNOWN; + u_int32_t PmTimerTicks = 0; + + ActiveState = NextState = sc->pr_PowerStates.ActiveState; + CxState = &(sc->pr_PowerStates.Info[ActiveState]); + CxState->Utilization++; + + /* + * Invoke Cx State: + * ---------------- + */ + if ((Status = AcpiProcessorSleep(sc->pr_handle, &PmTimerTicks)) != AE_OK) { + device_printf(sc->pr_dev, "AcpiProcessorSleep() failed - %s\n", acpi_strerror(Status)); + /* + * Something went wrong with the sleep attempt, so give up on trying to do this. + */ +/* EVENTHANDLER_FAST_DEREGISTER(idle_event, sc->pr_idleevent);*/ + device_printf(sc->pr_dev, "disabling CPU power saving\n"); + return; + } + + /* + * Check For State Promotion: + * -------------------------- + * Only need to check for promotion on C1 and C2, and then only + * when the state has a non-zero count threshold and target state. + */ + if (CxState->PromotionPolicy.CountThreshold && CxState->PromotionPolicy.TargetState && + ((ActiveState == PR_POWER_STATE_C1) || (ActiveState == PR_POWER_STATE_C2))) { + /* + * Check the amount of time we spent in the Cx state against our + * promotion policy. If successful (asleep longer than our threshold) + * increment our count and see if a promotion is in order. + */ + if (PmTimerTicks > (CxState->PromotionPolicy.TimeThreshold)) { + CxState->PromotionPolicy.Count++; + CxState->DemotionPolicy.Count = 0; + + if (CxState->PromotionPolicy.Count >= CxState->PromotionPolicy.CountThreshold) + NextState = CxState->PromotionPolicy.TargetState; + } + } + + /* + * Check For State Demotion: + * ------------------------- + * Only need to check for demotion on C2 and C3, and then only + * when the state has a non-zero count threshold and target state. + */ + if (CxState->DemotionPolicy.CountThreshold && CxState->DemotionPolicy.TargetState && + ((ActiveState == PR_POWER_STATE_C2) || (ActiveState == PR_POWER_STATE_C3))) { + /* + * Check the amount of time we spent in the Cx state against our + * demotion policy. If unsuccessful (asleep shorter than our threshold) + * increment our count and see if a demotion is in order. + */ + if (PmTimerTicks < (CxState->DemotionPolicy.TimeThreshold)) { + CxState->DemotionPolicy.Count++; + CxState->PromotionPolicy.Count = 0; + + if (CxState->DemotionPolicy.Count >= CxState->DemotionPolicy.CountThreshold) + NextState = CxState->DemotionPolicy.TargetState; + } + } + + /* + * New Cx State? + * ------------- + * If so, clean up from the previous Cx state (if necessary). + */ + if (NextState != sc->pr_PowerStates.ActiveState) { + if ((Status = AcpiSetProcessorSleepState(sc->pr_handle, NextState)) != AE_OK) { + device_printf(sc->pr_dev, "AcpiSetProcessorSleepState() returned error [0x%08X]\n", Status); + } else { + CxState->PromotionPolicy.Count = 0; + CxState->DemotionPolicy.Count = 0; + sc->pr_PowerStates.ActiveState = NextState; + } + } +} diff --git a/sys/dev/acpica/acpi_resource.c b/sys/dev/acpica/acpi_resource.c new file mode 100644 index 0000000..3581ff7 --- /dev/null +++ b/sys/dev/acpica/acpi_resource.c @@ -0,0 +1,343 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> +#include <machine/bus.h> +#include <machine/resource.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +/* + * Fetch a device's resources and associate them with the device. + * + * Note that it might be nice to also locate ACPI-specific resource items, such + * as GPE bits. + */ +ACPI_STATUS +acpi_parse_resources(device_t dev, ACPI_HANDLE handle, struct acpi_parse_resource_set *set) +{ + ACPI_BUFFER buf; + RESOURCE *res; + char *curr, *last; + ACPI_STATUS status; + int i; + void *context; + + /* + * Fetch the device resources + */ + if (((status = acpi_GetIntoBuffer(handle, AcpiGetPossibleResources, &buf)) != AE_OK) && + ((status = acpi_GetIntoBuffer(handle, AcpiGetCurrentResources, &buf)) != AE_OK)) { + device_printf(dev, "can't fetch ACPI resources - %s\n", acpi_strerror(status)); + return(status); + } + +#ifdef ACPI_RES_DEBUG + device_printf(dev, "got %d bytes of resources\n", buf.Length); +#endif + set->set_init(dev, &context); + + /* + * Iterate through the resources + */ + curr = buf.Pointer; + last = (char *)buf.Pointer + buf.Length; + while (curr < last) { + res = (RESOURCE *)curr; + curr += res->Length; + + /* + * Handle the individual resource types + */ + switch(res->Id) { + case EndTag: +#ifdef ACPI_RES_DEBUG + device_printf(dev, "EndTag\n"); +#endif + curr = last; + break; + + case FixedIo: +#ifdef ACPI_RES_DEBUG + device_printf(dev, "FixedIo 0x%x/%d\n", res->Data.FixedIo.BaseAddress, res->Data.FixedIo.RangeLength); +#endif + set->set_ioport(dev, context, res->Data.FixedIo.BaseAddress, res->Data.FixedIo.RangeLength); + break; + + case Io: + if (res->Data.Io.MinBaseAddress == res->Data.Io.MaxBaseAddress) { +#ifdef ACPI_RES_DEBUG + device_printf(dev, "Io 0x%x/%d\n", res->Data.Io.MinBaseAddress, res->Data.Io.RangeLength); +#endif + set->set_ioport(dev, context, res->Data.Io.MinBaseAddress, res->Data.Io.RangeLength); + } else { +#ifdef ACPI_RES_DEBUG + device_printf(dev, "Io 0x%x-0x%x/%d\n", res->Data.Io.MinBaseAddress, res->Data.Io.MaxBaseAddress, + res->Data.Io.RangeLength); +#endif + set->set_iorange(dev, context, res->Data.Io.MinBaseAddress, res->Data.Io.MaxBaseAddress, + res->Data.Io.RangeLength, res->Data.Io.Alignment); + } + break; + + case FixedMemory32: +#ifdef ACPI_RES_DEBUG + device_printf(dev, "FixedMemory32 0x%x/%d\n", res->Data.FixedMemory32.RangeBaseAddress, + res->Data.FixedMemory32.RangeLength); +#endif + set->set_memory(dev, context, res->Data.FixedMemory32.RangeBaseAddress, + res->Data.FixedMemory32.RangeLength); + break; + + case Memory32: + if (res->Data.Memory32.MinBaseAddress == res->Data.Memory32.MaxBaseAddress) { +#ifdef ACPI_RES_DEBUG + device_printf(dev, "Memory32 0x%x/%d\n", res->Data.Memory32.MinBaseAddress, + res->Data.Memory32.RangeLength); +#endif + set->set_memory(dev, context, res->Data.Memory32.MinBaseAddress, res->Data.Memory32.RangeLength); + } else { +#ifdef ACPI_RES_DEBUG + device_printf(dev, "Memory32 0x%x-0x%x/%d\n", res->Data.Memory32.MinBaseAddress, + res->Data.Memory32.MaxBaseAddress, res->Data.Memory32.RangeLength); +#endif + set->set_memoryrange(dev, context, res->Data.Memory32.MinBaseAddress, res->Data.Memory32.MaxBaseAddress, + res->Data.Memory32.RangeLength, res->Data.Memory32.Alignment); + } + break; + + case Memory24: + if (res->Data.Memory24.MinBaseAddress == res->Data.Memory24.MaxBaseAddress) { +#ifdef ACPI_RES_DEBUG + device_printf(dev, "Memory24 0x%x/%d\n", res->Data.Memory24.MinBaseAddress, + res->Data.Memory24.RangeLength); +#endif + set->set_memory(dev, context, res->Data.Memory24.MinBaseAddress, res->Data.Memory24.RangeLength); + } else { +#ifdef ACPI_RES_DEBUG + device_printf(dev, "Memory24 0x%x-0x%x/%d\n", res->Data.Memory24.MinBaseAddress, + res->Data.Memory24.MaxBaseAddress, res->Data.Memory24.RangeLength); +#endif + set->set_memoryrange(dev, context, res->Data.Memory24.MinBaseAddress, res->Data.Memory24.MaxBaseAddress, + res->Data.Memory24.RangeLength, res->Data.Memory24.Alignment); + } + break; + + case Irq: + for (i = 0; i < res->Data.Irq.NumberOfInterrupts; i++) { +#ifdef ACPI_RES_DEBUG + device_printf(dev, "Irq %d\n", res->Data.Irq.Interrupts[i]); +#endif + set->set_irq(dev, context, res->Data.Irq.Interrupts[i]); + } + break; + + case Dma: + for (i = 0; i < res->Data.Dma.NumberOfChannels; i++) { +#ifdef ACPI_RES_DEBUG + device_printf(dev, "Drq %d\n", res->Data.Dma.Channels[i]); +#endif + set->set_drq(dev, context, res->Data.Dma.Channels[i]); + } + break; + + case StartDependentFunctions: +#ifdef ACPI_RES_DEBUG + device_printf(dev, "start dependant functions"); +#endif + set->set_start_dependant(dev, context, res->Data.StartDependentFunctions.CompatibilityPriority); + break; + + case EndDependentFunctions: +#ifdef ACPI_RES_DEBUG + device_printf(dev, "end dependant functions"); +#endif + set->set_end_dependant(dev, context); + break; + + case Address32: + device_printf(dev, "unimplemented Address32 resource\n"); + break; + + case Address16: + device_printf(dev, "unimplemented Address16 resource\n"); + break; + + case ExtendedIrq: + device_printf(dev, "unimplemented ExtendedIrq resource\n"); + break; + + case VendorSpecific: + device_printf(dev, "unimplemented VendorSpecific resource\n"); + break; + default: + break; + } + } + AcpiOsFree(buf.Pointer); + set->set_done(dev, context); + return(AE_OK); +} + +static void acpi_res_set_init(device_t dev, void **context); +static void acpi_res_set_done(device_t dev, void *context); +static void acpi_res_set_ioport(device_t dev, void *context, u_int32_t base, u_int32_t length); +static void acpi_res_set_iorange(device_t dev, void *context, u_int32_t low, u_int32_t high, + u_int32_t length, u_int32_t align); +static void acpi_res_set_memory(device_t dev, void *context, u_int32_t base, u_int32_t length); +static void acpi_res_set_memoryrange(device_t dev, void *context, u_int32_t low, u_int32_t high, + u_int32_t length, u_int32_t align); +static void acpi_res_set_irq(device_t dev, void *context, u_int32_t irq); +static void acpi_res_set_drq(device_t dev, void *context, u_int32_t drq); +static void acpi_res_set_start_dependant(device_t dev, void *context, int preference); +static void acpi_res_set_end_dependant(device_t dev, void *context); + +struct acpi_parse_resource_set acpi_res_parse_set = { + acpi_res_set_init, + acpi_res_set_done, + acpi_res_set_ioport, + acpi_res_set_iorange, + acpi_res_set_memory, + acpi_res_set_memoryrange, + acpi_res_set_irq, + acpi_res_set_drq, + acpi_res_set_start_dependant, + acpi_res_set_end_dependant +}; + +struct acpi_res_context { + int ar_nio; + int ar_nmem; + int ar_nirq; +}; + +static void +acpi_res_set_init(device_t dev, void **context) +{ + struct acpi_res_context *cp; + + if ((cp = AcpiOsAllocate(sizeof(*cp))) != NULL) { + bzero(cp, sizeof(*cp)); + *context = cp; + } +} + +static void +acpi_res_set_done(device_t dev, void *context) +{ + struct acpi_res_context *cp = (struct acpi_res_context *)context; + + if (cp == NULL) + return; + AcpiOsFree(cp); +} + +static void +acpi_res_set_ioport(device_t dev, void *context, u_int32_t base, u_int32_t length) +{ + struct acpi_res_context *cp = (struct acpi_res_context *)context; + + if (cp == NULL) + return; + bus_set_resource(dev, SYS_RES_IOPORT, cp->ar_nio++, base, length); +} + +static void +acpi_res_set_iorange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align) +{ + struct acpi_res_context *cp = (struct acpi_res_context *)context; + + if (cp == NULL) + return; + device_printf(dev, "I/O range not supported\n"); +} + +static void +acpi_res_set_memory(device_t dev, void *context, u_int32_t base, u_int32_t length) +{ + struct acpi_res_context *cp = (struct acpi_res_context *)context; + + if (cp == NULL) + return; + bus_set_resource(dev, SYS_RES_MEMORY, cp->ar_nmem++, base, length); +} + +static void +acpi_res_set_memoryrange(device_t dev, void *context, u_int32_t low, u_int32_t high, u_int32_t length, u_int32_t align) +{ + struct acpi_res_context *cp = (struct acpi_res_context *)context; + + if (cp == NULL) + return; + device_printf(dev, "memory range not supported\n"); +} + +static void +acpi_res_set_irq(device_t dev, void *context, u_int32_t irq) +{ + struct acpi_res_context *cp = (struct acpi_res_context *)context; + + if (cp == NULL) + return; + bus_set_resource(dev, SYS_RES_IRQ, cp->ar_nirq++, irq, 1); +} + +static void +acpi_res_set_drq(device_t dev, void *context, u_int32_t drq) +{ + struct acpi_res_context *cp = (struct acpi_res_context *)context; + + if (cp == NULL) + return; + device_printf(dev, "DRQ not supported\n"); +} + +static void +acpi_res_set_start_dependant(device_t dev, void *context, int preference) +{ + struct acpi_res_context *cp = (struct acpi_res_context *)context; + + if (cp == NULL) + return; + device_printf(dev, "dependant functions not supported"); +} + +static void +acpi_res_set_end_dependant(device_t dev, void *context) +{ + struct acpi_res_context *cp = (struct acpi_res_context *)context; + + if (cp == NULL) + return; +} diff --git a/sys/dev/acpica/acpi_thermal.c b/sys/dev/acpica/acpi_thermal.c new file mode 100644 index 0000000..45398fe --- /dev/null +++ b/sys/dev/acpica/acpi_thermal.c @@ -0,0 +1,102 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +#define TZ_KELVTOC(x) (((x) - 2732) / 10), (((x) - 2732) % 10) + +struct acpi_tz_softc { + device_t tz_dev; + ACPI_HANDLE tz_handle; +}; + +static int acpi_tz_probe(device_t dev); +static int acpi_tz_attach(device_t dev); + +static device_method_t acpi_tz_methods[] = { + /* Device interface */ + DEVMETHOD(device_probe, acpi_tz_probe), + DEVMETHOD(device_attach, acpi_tz_attach), + + {0, 0} +}; + +static driver_t acpi_tz_driver = { + "acpi_tz", + acpi_tz_methods, + sizeof(struct acpi_tz_softc), +}; + +devclass_t acpi_tz_devclass; +DRIVER_MODULE(acpi_tz, acpi, acpi_tz_driver, acpi_tz_devclass, 0, 0); + +static int +acpi_tz_probe(device_t dev) +{ + if (acpi_get_type(dev) == ACPI_TYPE_THERMAL) { + device_set_desc(dev, "thermal zone"); + return(0); + } + return(ENXIO); +} + +static int +acpi_tz_attach(device_t dev) +{ + struct acpi_tz_softc *sc; + UINT32 param[4]; + ACPI_BUFFER buf; + ACPI_STATUS status; + + sc = device_get_softc(dev); + sc->tz_dev = dev; + sc->tz_handle = acpi_get_handle(dev); + + buf.Pointer = ¶m[0]; + buf.Length = sizeof(param); + if ((status = AcpiEvaluateObject(sc->tz_handle, "_TMP", NULL, &buf)) != AE_OK) { + device_printf(sc->tz_dev, "can't fetch temperature - %s\n", acpi_strerror(status)); + return(ENXIO); + } + if (param[0] != ACPI_TYPE_NUMBER) { + device_printf(sc->tz_dev, "%s._TMP does not evaluate to ACPI_TYPE_NUMBER\n", + acpi_name(sc->tz_handle)); + return(ENXIO); + } + device_printf(sc->tz_dev, "current temperature %d.%dC\n", TZ_KELVTOC(param[1])); + + return(0); +} diff --git a/sys/dev/acpica/acpi_timer.c b/sys/dev/acpica/acpi_timer.c new file mode 100644 index 0000000..e232f8b --- /dev/null +++ b/sys/dev/acpica/acpi_timer.c @@ -0,0 +1,117 @@ +/*- + * Copyright (c) 2000 Michael Smith + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "opt_acpi.h" +#include <sys/param.h> +#include <sys/kernel.h> +#include <sys/bus.h> + +#include "acpi.h" + +#include <dev/acpica/acpivar.h> + +#define ACPITIMER_MAGIC 0x524d4954 /* "TIMR" */ + +struct acpi_timer_softc { + device_t tm_dev; +}; + +static void acpi_timer_identify(driver_t *driver, device_t parent); +static int acpi_timer_probe(device_t dev); +static int acpi_timer_attach(device_t dev); + +static device_method_t acpi_timer_methods[] = { + /* Device interface */ + DEVMETHOD(device_identify, acpi_timer_identify), + DEVMETHOD(device_probe, acpi_timer_probe), + DEVMETHOD(device_attach, acpi_timer_attach), + + {0, 0} +}; + +static driver_t acpi_timer_driver = { + "acpi_timer", + acpi_timer_methods, + sizeof(struct acpi_timer_softc), +}; + +devclass_t acpi_timer_devclass; +DRIVER_MODULE(acpi_timer, acpi, acpi_timer_driver, acpi_timer_devclass, 0, 0); + +static void +acpi_timer_identify(driver_t *driver, device_t parent) +{ + static FIXED_ACPI_DESCRIPTION_TABLE facp; + ACPI_BUFFER buf; + ACPI_STATUS status; + device_t dev; + char desc[40]; + + buf.Pointer = &facp; + buf.Length = sizeof(facp); + if ((status = AcpiGetTable(ACPI_TABLE_FACP, 1, &buf)) != AE_OK) { + device_printf(parent, "can't locate FACP - %s\n", acpi_strerror(status)); + return; + } + if (buf.Length != sizeof(facp)) { + device_printf(parent, "invalid FACP\n"); + return; + } + + if ((dev = BUS_ADD_CHILD(parent, 0, "acpi_timer", 0)) == NULL) { + device_printf(parent, "could not add acpi_timer0\n"); + return; + } + if (acpi_set_magic(dev, ACPITIMER_MAGIC)) { + device_printf(dev, "could not set magic\n"); + return; + } + + sprintf(desc, "%d-bit timer at 3.579545MHz", facp.TmrValExt ? 32 : 24); + device_set_desc_copy(dev, desc); +} + +static int +acpi_timer_probe(device_t dev) +{ + if (acpi_get_magic(dev) == ACPITIMER_MAGIC) + return(0); + return(ENXIO); +} + +static int +acpi_timer_attach(device_t dev) +{ + struct acpi_timer_softc *sc; + + sc = device_get_softc(dev); + sc->tm_dev = dev; + + return(0); +} diff --git a/sys/dev/acpica/acpiio.h b/sys/dev/acpica/acpiio.h new file mode 100644 index 0000000..75c59fc --- /dev/null +++ b/sys/dev/acpica/acpiio.h @@ -0,0 +1,33 @@ +/*- + * Copyright (c) 1999 Takanori Watanabe <takawata@shidahara1.planet.sci.kobe-u.ac.jp> + * Copyright (c) 1999 Mitsuru IWASAKI <iwasaki@FreeBSD.org> + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#define ACPIIO_ENABLE _IO('P', 1) +#define ACPIIO_DISABLE _IO('P', 2) +#define ACPIIO_SETSLPSTATE _IOW('P', 3, int) + diff --git a/sys/dev/acpica/acpivar.h b/sys/dev/acpica/acpivar.h new file mode 100644 index 0000000..f415bae --- /dev/null +++ b/sys/dev/acpica/acpivar.h @@ -0,0 +1,221 @@ +/*- + * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org> + * Copyright (c) 2000 Michael Smith <msmith@freebsd.org> + * Copyright (c) 2000 BSDi + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#include "bus_if.h" +#include <sys/eventhandler.h> + +extern devclass_t acpi_devclass; + +struct acpi_softc { + device_t acpi_dev; + dev_t acpi_dev_t; + + struct resource *acpi_irq; + int acpi_irq_rid; + void *acpi_irq_handle; + + int acpi_enabled; + int acpi_sstate; + +#define ACPI_POWER_BUTTON_DEFAULT_SX ACPI_STATE_S5; +#define ACPI_SLEEP_BUTTON_DEFAULT_SX ACPI_STATE_S1; +#define ACPI_LID_SWITCH_DEFAULT_SX ACPI_STATE_S1; + int acpi_power_button_sx; + int acpi_sleep_button_sx; + int acpi_lid_switch_sx; +}; + +struct acpi_device { + /* ACPI ivars */ + ACPI_HANDLE ad_handle; + int ad_magic; + void *ad_private; + + /* resources */ + struct resource_list ad_rl; +}; + +/* + * This is a cheap and nasty way to get around the horrid counted list + * argument format that AcpiEvalateMethod uses. + */ +#define ACPI_OBJECTLIST_MAX 16 +struct acpi_object_list { + UINT32 count; + ACPI_OBJECT *pointer[ACPI_OBJECTLIST_MAX]; + ACPI_OBJECT object[ACPI_OBJECTLIST_MAX]; +}; + +static __inline struct acpi_object_list * +acpi_AllocObjectList(int nobj) { + struct acpi_object_list *l; + int i; + + if (nobj > ACPI_OBJECTLIST_MAX) + return(NULL); + if ((l = AcpiOsAllocate(sizeof(*l))) == NULL) + return(NULL); + bzero(l, sizeof(*l)); + for (i = 0; i < ACPI_OBJECTLIST_MAX; i++) + l->pointer[i] = &l->object[i]; + l->count = nobj; + return(l); +} + +#define ACPI_IVAR_HANDLE 0x100 +#define ACPI_IVAR_MAGIC 0x101 +#define ACPI_IVAR_PRIVATE 0x102 + +static __inline ACPI_HANDLE +acpi_get_handle(device_t dev) { + ACPI_HANDLE h; + + if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_HANDLE, (uintptr_t *)&h)) + return(NULL); + return(h); +} + +static __inline int +acpi_set_handle(device_t dev, ACPI_HANDLE h) { + return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_HANDLE, (uintptr_t)h)); +} + +static __inline int +acpi_get_magic(device_t dev) { + int m; + + if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_MAGIC, (uintptr_t *)&m)) + return(0); + return(m); +} + +static __inline int +acpi_set_magic(device_t dev, int m) { + return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_MAGIC, (uintptr_t)m)); +} + +static __inline void * +acpi_get_private(device_t dev) { + void *p; + + if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_PRIVATE, (uintptr_t *)&p)) + return(NULL); + return(p); +} + +static __inline int +acpi_set_private(device_t dev, void *p) { + return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_PRIVATE, (uintptr_t)p)); +} + +static __inline ACPI_OBJECT_TYPE +acpi_get_type(device_t dev) { + ACPI_HANDLE h; + ACPI_OBJECT_TYPE t; + + if ((h = acpi_get_handle(dev)) == NULL) + return(ACPI_TYPE_NOT_FOUND); + if (AcpiGetType(h, &t) != AE_OK) + return(ACPI_TYPE_NOT_FOUND); + return(t); +} + +#ifdef ENABLE_DEBUGGER +extern void acpi_EnterDebugger(void); +#endif + +extern BOOLEAN acpi_MatchHid(device_t dev, char *hid); +extern ACPI_STATUS acpi_GetIntoBuffer(ACPI_HANDLE handle, + ACPI_STATUS (*func)(ACPI_HANDLE, ACPI_BUFFER *), + ACPI_BUFFER *buf); +extern ACPI_BUFFER *acpi_AllocBuffer(int size); +extern ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state); +extern ACPI_STATUS acpi_Enable(struct acpi_softc *sc); +extern ACPI_STATUS acpi_Disable(struct acpi_softc *sc); +extern BOOLEAN acpi_DeviceIsPresent(device_t dev); +extern ACPI_STATUS acpi_EvaluateNumber(ACPI_HANDLE handle, char *path, int *number); + +struct acpi_parse_resource_set { + void (* set_init)(device_t dev, void **context); + void (* set_done)(device_t dev, void *context); + void (* set_ioport)(device_t dev, void *context, u_int32_t base, u_int32_t length); + void (* set_iorange)(device_t dev, void *context, u_int32_t low, u_int32_t high, + u_int32_t length, u_int32_t align); + void (* set_memory)(device_t dev, void *context, u_int32_t base, u_int32_t length); + void (* set_memoryrange)(device_t dev, void *context, u_int32_t low, u_int32_t high, + u_int32_t length, u_int32_t align); + void (* set_irq)(device_t dev, void *context, u_int32_t irq); + void (* set_drq)(device_t dev, void *context, u_int32_t drq); + void (* set_start_dependant)(device_t dev, void *context, int preference); + void (* set_end_dependant)(device_t dev, void *context); +}; + +extern struct acpi_parse_resource_set acpi_res_parse_set; +extern ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle, + struct acpi_parse_resource_set *set); + +/* XXX this is ugly */ +extern char *acpi_strerror(ACPI_STATUS excep); + +/* + * ACPI event handling + */ +extern UINT32 acpi_eventhandler_power_button_for_sleep(void *context); +extern UINT32 acpi_eventhandler_power_button_for_wakeup(void *context); +extern UINT32 acpi_eventhandler_sleep_button_for_sleep(void *context); +extern UINT32 acpi_eventhandler_sleep_button_for_wakeup(void *context); + +#define ACPI_EVENT_PRI_FIRST 0 +#define ACPI_EVENT_PRI_DEFAULT 10000 +#define ACPI_EVENT_PRI_LAST 20000 + +typedef void (*acpi_event_handler_t) __P((void *, int)); + +EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t); +EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t); + +/* + * Misc. + */ +static __inline struct acpi_softc * +acpi_device_get_parent_softc(device_t child) +{ + device_t parent; + + parent = device_get_parent(child); + if (parent == NULL) { + return(NULL); + } + return(device_get_softc(parent)); +} + +extern char *acpi_name(ACPI_HANDLE handle); +extern int acpi_avoid(ACPI_HANDLE handle); + |