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freebsd-skq/sys/dev/acpica/acpivar.h
Nate Lawson 51773ddf47 Support functions for the new ACPI import. 
* AcpiOsDerivePciId(): finds a bus number, given the slot/func and the
    acpi parse tree.
  * AcpiOsPredefinedOverride(): use the sysctl hw.acpi.os_name to
    override the value for _OS.

Ideas from:	takawata, jhb
Reviewed by:	takawata, marcel
Tested on:	i386, ia64
2003-04-29 18:50:34 +00:00

406 lines
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/*-
* 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>
#include <sys/sysctl.h>
#if __FreeBSD_version >= 500000
#include <sys/lock.h>
#include <sys/mutex.h>
#endif
#include <machine/bus.h>
#include <machine/resource.h>
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_sleep_delay;
int acpi_s4bios;
int acpi_disable_on_poweroff;
int acpi_verbose;
bus_dma_tag_t acpi_waketag;
bus_dmamap_t acpi_wakemap;
vm_offset_t acpi_wakeaddr;
vm_paddr_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;
};
#if __FreeBSD_version < 500000
/*
* In 4.x, ACPI is protected by splhigh().
*/
# define ACPI_LOCK s = splhigh()
# define ACPI_UNLOCK splx(s)
# define ACPI_ASSERTLOCK
# define ACPI_MSLEEP(a, b, c, d, e) tsleep(a, c, d, e)
# define ACPI_LOCK_DECL int s
# define kthread_create(a, b, c, d, e, f) kthread_create(a, b, c, f)
# define tc_init(a) init_timecounter(a)
#elif 0
/*
* The ACPI subsystem lives under a single mutex. You *must*
* acquire this mutex before calling any of the acpi_ or Acpi* functions.
*/
extern struct mtx acpi_mutex;
# 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)
# define ACPI_LOCK_DECL
#else
# define ACPI_LOCK
# define ACPI_UNLOCK
# define ACPI_ASSERTLOCK
# define ACPI_MSLEEP(a, b, c, d, e) tsleep(a, c, d, e)
# define ACPI_LOCK_DECL
#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
/*
* Constants for different interrupt models used with acpi_SetIntrModel().
*/
#define ACPI_INTR_PIC 0
#define ACPI_INTR_APIC 1
#define ACPI_INTR_SAPIC 2
/* XXX this is no longer referenced anywhere, remove? */
#if 0
/*
* 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);
}
#endif /* unused */
/*
* 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 ACPI_DEBUGGER
extern void acpi_EnterDebugger(void);
#endif
#ifdef ACPI_DEBUG
#include <sys/cons.h>
#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_SetIntrModel(int model);
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 void acpi_device_enable_wake_capability(ACPI_HANDLE h, int enable);
extern void acpi_device_enable_wake_event(ACPI_HANDLE h);
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 *);
#ifndef ACPI_MAX_THREADS
#define ACPI_MAX_THREADS 3
#endif
#if ACPI_MAX_THREADS > 0
#define ACPI_USE_THREADS
#endif
#ifdef ACPI_USE_THREADS
/*
* ACPI task kernel thread initialization.
*/
extern int acpi_task_thread_init(void);
#endif
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