/*- * Copyright (c) 2000 Mitsuru IWASAKI * 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 "bus_if.h" #include #include #include #include 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; int acpi_sleep_disabled; struct sysctl_ctx_list acpi_sysctl_ctx; struct sysctl_oid *acpi_sysctl_tree; #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; int acpi_standby_sx; int acpi_suspend_sx; int acpi_s4bios; int acpi_verbose; bus_dma_tag_t acpi_waketag; bus_dmamap_t acpi_wakemap; vm_offset_t acpi_wakeaddr; vm_offset_t acpi_wakephys; struct sysctl_ctx_list acpi_battery_sysctl_ctx; struct sysctl_oid *acpi_battery_sysctl_tree; }; struct acpi_device { /* ACPI ivars */ ACPI_HANDLE ad_handle; int ad_magic; void *ad_private; /* resources */ struct resource_list ad_rl; }; /* * The ACPI subsystem lives under a single mutex. You *must* * acquire this mutex before calling any of the acpi_ or Acpi* functions. * * XXX the ACPI_MSLEEP macro should go away once locking is resolved */ extern struct mtx acpi_mutex; #if 0 # define ACPI_LOCK mtx_lock(&acpi_mutex) # define ACPI_UNLOCK mtx_unlock(&acpi_mutex) # define ACPI_ASSERTLOCK mtx_assert(&acpi_mutex, MA_OWNED) # define ACPI_MSLEEP(a, b, c, d, e) msleep(a, b, c, d, e) #else # define ACPI_LOCK # define ACPI_UNLOCK # define ACPI_ASSERTLOCK # define ACPI_MSLEEP(a, b, c, d, e) tsleep(a, c, d, e) #endif /* * ACPI CA does not define layers for non-ACPI CA drivers. * We define some here within the range provided. */ #define ACPI_BUS 0x00010000 #define ACPI_SYSTEM 0x00020000 #define ACPI_POWER 0x00040000 #define ACPI_EC 0x00080000 #define ACPI_AC_ADAPTER 0x00100000 #define ACPI_BATTERY 0x00110000 #define ACPI_BUTTON 0x00120000 #define ACPI_PROCESSOR 0x00140000 #define ACPI_THERMAL 0x00180000 #define ACPI_FAN 0x00200000 /* * This is a cheap and nasty way to get around the horrid counted list * argument format that AcpiEvalateObject 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); } /* * Note that the low ivar values are reserved to provide * interface compatibility with ISA drivers which can also * attach to ACPI. */ #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) { uintptr_t up; ACPI_HANDLE h; if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_HANDLE, &up)) return(NULL); h = (ACPI_HANDLE)up; return(h); } static __inline int acpi_set_handle(device_t dev, ACPI_HANDLE h) { uintptr_t up; up = (uintptr_t)h; return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_HANDLE, up)); } static __inline int acpi_get_magic(device_t dev) { uintptr_t up; int m; if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_MAGIC, &up)) return(0); m = (int)up; return(m); } static __inline int acpi_set_magic(device_t dev, int m) { uintptr_t up; up = (uintptr_t)m; return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_MAGIC, up)); } static __inline void * acpi_get_private(device_t dev) { uintptr_t up; void *p; if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_PRIVATE, &up)) return(NULL); p = (void *)up; return(p); } static __inline int acpi_set_private(device_t dev, void *p) { uintptr_t up; up = (uintptr_t)p; return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_PRIVATE, up)); } 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 #ifdef ACPI_DEBUG #include #define STEP(x) do {printf x, printf("\n"); cngetc();} while (0) #else #define STEP(x) #endif #define ACPI_VPRINT(dev, acpi_sc, x...) do { \ if (acpi_get_verbose(acpi_sc)) \ device_printf(dev, x); \ } while (0) #define ACPI_DEVINFO_PRESENT(x) (((x) & 0x9) == 9) extern BOOLEAN acpi_DeviceIsPresent(device_t dev); extern BOOLEAN acpi_BatteryIsPresent(device_t dev); extern BOOLEAN acpi_MatchHid(device_t dev, char *hid); extern ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, ACPI_HANDLE *result); extern ACPI_BUFFER *acpi_AllocBuffer(int size); extern ACPI_STATUS acpi_EvaluateInteger(ACPI_HANDLE handle, char *path, int *number); extern ACPI_STATUS acpi_ConvertBufferToInteger(ACPI_BUFFER *bufp, int *number); extern ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj, void (* func)(ACPI_OBJECT *comp, void *arg), void *arg); extern ACPI_STATUS acpi_FindIndexedResource(ACPI_BUFFER *buf, int index, ACPI_RESOURCE **resp); extern ACPI_STATUS acpi_AppendBufferResource(ACPI_BUFFER *buf, ACPI_RESOURCE *res); 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); 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, int cout); void (* set_drq)(device_t dev, void *context, u_int32_t *drq, int count); 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 until Intel fix this in their headers, based on NEXT_RESOURCE */ #define ACPI_RESOURCE_NEXT(Res) (ACPI_RESOURCE *)((UINT8 *) Res + Res->Length) /* * 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)(void *, int); EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t); EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t); /* * Device power control. */ extern ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state); /* * 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)); } static __inline int acpi_get_verbose(struct acpi_softc *sc) { if (sc) return(sc->acpi_verbose); return(0); } extern char *acpi_name(ACPI_HANDLE handle); extern int acpi_avoid(ACPI_HANDLE handle); extern int acpi_disabled(char *subsys); extern int acpi_machdep_init(device_t dev); extern void acpi_install_wakeup_handler(struct acpi_softc *sc); extern int acpi_sleep_machdep(struct acpi_softc *sc, int state); /* * Battery Abstraction. */ struct acpi_battinfo; struct acpi_battdesc; extern int acpi_battery_register(int, int); extern int acpi_battery_get_battinfo(int, struct acpi_battinfo *); extern int acpi_battery_get_units(void); extern int acpi_battery_get_info_expire(void); extern int acpi_battery_get_battdesc(int, struct acpi_battdesc *); extern int acpi_cmbat_get_battinfo(int, struct acpi_battinfo *); /* * AC adapter interface. */ extern int acpi_acad_get_acline(int *); #if defined(ACPI_MAX_THREADS) && ACPI_MAX_THREADS > 0 /* * ACPI task kernel thread initialization. */ extern int acpi_task_thread_init(void); #endif