1/*-
2 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000 BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/dev/acpica/acpivar.h 80028 2001-07-20 06:07:34Z takawata $
29 */
30
31#include "bus_if.h"
32#include <sys/eventhandler.h>
33#include <sys/sysctl.h>
34
35#include <machine/bus.h>
36#include <machine/resource.h>
37
38extern devclass_t acpi_devclass;
39
40struct acpi_softc {
41 device_t acpi_dev;
42 dev_t acpi_dev_t;
43
44 struct resource *acpi_irq;
45 int acpi_irq_rid;
46 void *acpi_irq_handle;
47
48 int acpi_enabled;
49 int acpi_sstate;
50
51 struct sysctl_ctx_list acpi_sysctl_ctx;
52 struct sysctl_oid *acpi_sysctl_tree;
53#define ACPI_POWER_BUTTON_DEFAULT_SX ACPI_STATE_S5;
54#define ACPI_SLEEP_BUTTON_DEFAULT_SX ACPI_STATE_S1;
55#define ACPI_LID_SWITCH_DEFAULT_SX ACPI_STATE_S1;
56 int acpi_power_button_sx;
57 int acpi_sleep_button_sx;
58 int acpi_lid_switch_sx;
59
60 bus_dma_tag_t acpi_waketag;
61 bus_dmamap_t acpi_wakemap;
62 vm_offset_t acpi_wakeaddr;
63 vm_offset_t acpi_wakephys;
64
65 struct sysctl_ctx_list acpi_battery_sysctl_ctx;
66 struct sysctl_oid *acpi_battery_sysctl_tree;
67};
68
69struct acpi_device {
70 /* ACPI ivars */
71 ACPI_HANDLE ad_handle;
72 int ad_magic;
73 void *ad_private;
74
75 /* resources */
76 struct resource_list ad_rl;
77
78};
79
80/*
81 * The ACPI subsystem lives under a single mutex. You *must*
82 * acquire this mutex before calling any of the acpi_ or Acpi* functions.
83 *
84 * XXX the ACPI_MSLEEP macro should go away once locking is resolved
85 */
86extern struct mtx acpi_mutex;
87#if 0
88# define ACPI_LOCK mtx_lock(&acpi_mutex)
89# define ACPI_UNLOCK mtx_unlock(&acpi_mutex)
90# define ACPI_ASSERTLOCK mtx_assert(&acpi_mutex, MA_OWNED)
91# define ACPI_MSLEEP(a, b, c, d, e) msleep(a, b, c, d, e)
92#else
93# define ACPI_LOCK
94# define ACPI_UNLOCK
95# define ACPI_ASSERTLOCK
96# define ACPI_MSLEEP(a, b, c, d, e) tsleep(a, c, d, e)
97#endif
98
99/*
100 * This is a cheap and nasty way to get around the horrid counted list
101 * argument format that AcpiEvalateObject uses.
102 */
103#define ACPI_OBJECTLIST_MAX 16
104struct acpi_object_list {
105 UINT32 count;
106 ACPI_OBJECT *pointer[ACPI_OBJECTLIST_MAX];
107 ACPI_OBJECT object[ACPI_OBJECTLIST_MAX];
108};
109
110static __inline struct acpi_object_list *
111acpi_AllocObjectList(int nobj) {
112 struct acpi_object_list *l;
113 int i;
114
115 if (nobj > ACPI_OBJECTLIST_MAX)
116 return(NULL);
117 if ((l = AcpiOsAllocate(sizeof(*l))) == NULL)
118 return(NULL);
119 bzero(l, sizeof(*l));
120 for (i = 0; i < ACPI_OBJECTLIST_MAX; i++)
121 l->pointer[i] = &l->object[i];
122 l->count = nobj;
123 return(l);
124}
125
126#define ACPI_IVAR_HANDLE 0x100
127#define ACPI_IVAR_MAGIC 0x101
128#define ACPI_IVAR_PRIVATE 0x102
129
130static __inline ACPI_HANDLE
131acpi_get_handle(device_t dev) {
132 ACPI_HANDLE h;
133
134 if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_HANDLE, (uintptr_t *)&h))
135 return(NULL);
136 return(h);
137}
138
139static __inline int
140acpi_set_handle(device_t dev, ACPI_HANDLE h) {
141 return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_HANDLE, (uintptr_t)h));
142}
143
144static __inline int
145acpi_get_magic(device_t dev) {
146 int m;
147
148 if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_MAGIC, (uintptr_t *)&m))
149 return(0);
150 return(m);
151}
152
153static __inline int
154acpi_set_magic(device_t dev, int m) {
155 return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_MAGIC, (uintptr_t)m));
156}
157
158static __inline void *
159acpi_get_private(device_t dev) {
160 void *p;
161
162 if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_PRIVATE, (uintptr_t *)&p))
163 return(NULL);
164 return(p);
165}
166
167static __inline int
168acpi_set_private(device_t dev, void *p) {
169 return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_PRIVATE, (uintptr_t)p));
170}
171
172static __inline ACPI_OBJECT_TYPE
173acpi_get_type(device_t dev) {
174 ACPI_HANDLE h;
175 ACPI_OBJECT_TYPE t;
176
177 if ((h = acpi_get_handle(dev)) == NULL)
178 return(ACPI_TYPE_NOT_FOUND);
179 if (AcpiGetType(h, &t) != AE_OK)
180 return(ACPI_TYPE_NOT_FOUND);
181 return(t);
182}
183
184#ifdef ENABLE_DEBUGGER
185extern void acpi_EnterDebugger(void);
186#endif
187
188#ifdef ACPI_DEBUG
189#include <sys/cons.h>
190#define STEP(x) do {printf x, printf("\n"); cngetc();} while (0)
191#else
192#define STEP(x)
193#endif
194
195extern BOOLEAN acpi_DeviceIsPresent(device_t dev);
196extern BOOLEAN acpi_MatchHid(device_t dev, char *hid);
197extern ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, ACPI_HANDLE *result);
198extern ACPI_BUFFER *acpi_AllocBuffer(int size);
199extern ACPI_STATUS acpi_GetIntoBuffer(ACPI_HANDLE handle,
200 ACPI_STATUS (*func)(ACPI_HANDLE, ACPI_BUFFER *),
201 ACPI_BUFFER *buf);
202extern ACPI_STATUS acpi_GetTableIntoBuffer(ACPI_TABLE_TYPE table, UINT32 instance, ACPI_BUFFER *buf);
203extern ACPI_STATUS acpi_EvaluateIntoBuffer(ACPI_HANDLE object, ACPI_STRING pathname,
204 ACPI_OBJECT_LIST *params, ACPI_BUFFER *buf);
205extern ACPI_STATUS acpi_EvaluateInteger(ACPI_HANDLE handle, char *path, int *number);
206extern ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj,
207 void (* func)(ACPI_OBJECT *comp, void *arg),
208 void *arg);
209extern ACPI_STATUS acpi_FindIndexedResource(ACPI_RESOURCE *resbuf, int index, ACPI_RESOURCE **resp);
210
211extern ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state);
212extern ACPI_STATUS acpi_Enable(struct acpi_softc *sc);
213extern ACPI_STATUS acpi_Disable(struct acpi_softc *sc);
214
215struct acpi_parse_resource_set {
216 void (* set_init)(device_t dev, void **context);
217 void (* set_done)(device_t dev, void *context);
218 void (* set_ioport)(device_t dev, void *context, u_int32_t base, u_int32_t length);
219 void (* set_iorange)(device_t dev, void *context, u_int32_t low, u_int32_t high,
220 u_int32_t length, u_int32_t align);
221 void (* set_memory)(device_t dev, void *context, u_int32_t base, u_int32_t length);
222 void (* set_memoryrange)(device_t dev, void *context, u_int32_t low, u_int32_t high,
223 u_int32_t length, u_int32_t align);
224 void (* set_irq)(device_t dev, void *context, u_int32_t irq);
225 void (* set_drq)(device_t dev, void *context, u_int32_t drq);
226 void (* set_start_dependant)(device_t dev, void *context, int preference);
227 void (* set_end_dependant)(device_t dev, void *context);
228};
229
230extern struct acpi_parse_resource_set acpi_res_parse_set;
231extern ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle,
232 struct acpi_parse_resource_set *set);
233
234/* XXX this is ugly */
235extern char *acpi_strerror(ACPI_STATUS excep);
236
237/*
238 * ACPI event handling
239 */
240extern UINT32 acpi_eventhandler_power_button_for_sleep(void *context);
241extern UINT32 acpi_eventhandler_power_button_for_wakeup(void *context);
242extern UINT32 acpi_eventhandler_sleep_button_for_sleep(void *context);
243extern UINT32 acpi_eventhandler_sleep_button_for_wakeup(void *context);
244
245#define ACPI_EVENT_PRI_FIRST 0
246#define ACPI_EVENT_PRI_DEFAULT 10000
247#define ACPI_EVENT_PRI_LAST 20000
248
249typedef void (*acpi_event_handler_t) __P((void *, int));
250
251EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t);
252EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t);
253
254/*
255 * Device power control.
256 */
257extern ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state);
258
259/*
260 * Misc.
261 */
262static __inline struct acpi_softc *
263acpi_device_get_parent_softc(device_t child)
264{
265 device_t parent;
266
267 parent = device_get_parent(child);
268 if (parent == NULL) {
269 return(NULL);
270 }
271 return(device_get_softc(parent));
272}
273
274extern char *acpi_name(ACPI_HANDLE handle);
275extern int acpi_avoid(ACPI_HANDLE handle);
276extern int acpi_disabled(char *subsys);
277
278extern void acpi_install_wakeup_handler(struct acpi_softc *sc);
279extern int acpi_sleep_machdep(struct acpi_softc *sc, int state);
280
281/*
282 * Battery Abstruction.
283 */
284struct acpi_battinfo;
285
286extern int acpi_battery_register(int, int);
287extern int acpi_cmbat_get_battinfo(int, struct acpi_battinfo *);
288
289/*
290 * System power API.
291 *
292 * XXX should this be further generalised?
293 *
294 */
295#define POWERPROFILE_PERFORMANCE 0
296#define POWERPROFILE_ECONOMY 1
297
298extern int powerprofile_get_state(void);
299extern void powerprofile_set_state(int state);
300
301typedef void (*powerprofile_change_hook)(void *);
302EVENTHANDLER_DECLARE(powerprofile_change, powerprofile_change_hook);
2 * Copyright (c) 2000 Mitsuru IWASAKI <iwasaki@jp.freebsd.org>
3 * Copyright (c) 2000 Michael Smith <msmith@freebsd.org>
4 * Copyright (c) 2000 BSDi
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: head/sys/dev/acpica/acpivar.h 80028 2001-07-20 06:07:34Z takawata $
29 */
30
31#include "bus_if.h"
32#include <sys/eventhandler.h>
33#include <sys/sysctl.h>
34
35#include <machine/bus.h>
36#include <machine/resource.h>
37
38extern devclass_t acpi_devclass;
39
40struct acpi_softc {
41 device_t acpi_dev;
42 dev_t acpi_dev_t;
43
44 struct resource *acpi_irq;
45 int acpi_irq_rid;
46 void *acpi_irq_handle;
47
48 int acpi_enabled;
49 int acpi_sstate;
50
51 struct sysctl_ctx_list acpi_sysctl_ctx;
52 struct sysctl_oid *acpi_sysctl_tree;
53#define ACPI_POWER_BUTTON_DEFAULT_SX ACPI_STATE_S5;
54#define ACPI_SLEEP_BUTTON_DEFAULT_SX ACPI_STATE_S1;
55#define ACPI_LID_SWITCH_DEFAULT_SX ACPI_STATE_S1;
56 int acpi_power_button_sx;
57 int acpi_sleep_button_sx;
58 int acpi_lid_switch_sx;
59
60 bus_dma_tag_t acpi_waketag;
61 bus_dmamap_t acpi_wakemap;
62 vm_offset_t acpi_wakeaddr;
63 vm_offset_t acpi_wakephys;
64
65 struct sysctl_ctx_list acpi_battery_sysctl_ctx;
66 struct sysctl_oid *acpi_battery_sysctl_tree;
67};
68
69struct acpi_device {
70 /* ACPI ivars */
71 ACPI_HANDLE ad_handle;
72 int ad_magic;
73 void *ad_private;
74
75 /* resources */
76 struct resource_list ad_rl;
77
78};
79
80/*
81 * The ACPI subsystem lives under a single mutex. You *must*
82 * acquire this mutex before calling any of the acpi_ or Acpi* functions.
83 *
84 * XXX the ACPI_MSLEEP macro should go away once locking is resolved
85 */
86extern struct mtx acpi_mutex;
87#if 0
88# define ACPI_LOCK mtx_lock(&acpi_mutex)
89# define ACPI_UNLOCK mtx_unlock(&acpi_mutex)
90# define ACPI_ASSERTLOCK mtx_assert(&acpi_mutex, MA_OWNED)
91# define ACPI_MSLEEP(a, b, c, d, e) msleep(a, b, c, d, e)
92#else
93# define ACPI_LOCK
94# define ACPI_UNLOCK
95# define ACPI_ASSERTLOCK
96# define ACPI_MSLEEP(a, b, c, d, e) tsleep(a, c, d, e)
97#endif
98
99/*
100 * This is a cheap and nasty way to get around the horrid counted list
101 * argument format that AcpiEvalateObject uses.
102 */
103#define ACPI_OBJECTLIST_MAX 16
104struct acpi_object_list {
105 UINT32 count;
106 ACPI_OBJECT *pointer[ACPI_OBJECTLIST_MAX];
107 ACPI_OBJECT object[ACPI_OBJECTLIST_MAX];
108};
109
110static __inline struct acpi_object_list *
111acpi_AllocObjectList(int nobj) {
112 struct acpi_object_list *l;
113 int i;
114
115 if (nobj > ACPI_OBJECTLIST_MAX)
116 return(NULL);
117 if ((l = AcpiOsAllocate(sizeof(*l))) == NULL)
118 return(NULL);
119 bzero(l, sizeof(*l));
120 for (i = 0; i < ACPI_OBJECTLIST_MAX; i++)
121 l->pointer[i] = &l->object[i];
122 l->count = nobj;
123 return(l);
124}
125
126#define ACPI_IVAR_HANDLE 0x100
127#define ACPI_IVAR_MAGIC 0x101
128#define ACPI_IVAR_PRIVATE 0x102
129
130static __inline ACPI_HANDLE
131acpi_get_handle(device_t dev) {
132 ACPI_HANDLE h;
133
134 if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_HANDLE, (uintptr_t *)&h))
135 return(NULL);
136 return(h);
137}
138
139static __inline int
140acpi_set_handle(device_t dev, ACPI_HANDLE h) {
141 return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_HANDLE, (uintptr_t)h));
142}
143
144static __inline int
145acpi_get_magic(device_t dev) {
146 int m;
147
148 if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_MAGIC, (uintptr_t *)&m))
149 return(0);
150 return(m);
151}
152
153static __inline int
154acpi_set_magic(device_t dev, int m) {
155 return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_MAGIC, (uintptr_t)m));
156}
157
158static __inline void *
159acpi_get_private(device_t dev) {
160 void *p;
161
162 if (BUS_READ_IVAR(device_get_parent(dev), dev, ACPI_IVAR_PRIVATE, (uintptr_t *)&p))
163 return(NULL);
164 return(p);
165}
166
167static __inline int
168acpi_set_private(device_t dev, void *p) {
169 return(BUS_WRITE_IVAR(device_get_parent(dev), dev, ACPI_IVAR_PRIVATE, (uintptr_t)p));
170}
171
172static __inline ACPI_OBJECT_TYPE
173acpi_get_type(device_t dev) {
174 ACPI_HANDLE h;
175 ACPI_OBJECT_TYPE t;
176
177 if ((h = acpi_get_handle(dev)) == NULL)
178 return(ACPI_TYPE_NOT_FOUND);
179 if (AcpiGetType(h, &t) != AE_OK)
180 return(ACPI_TYPE_NOT_FOUND);
181 return(t);
182}
183
184#ifdef ENABLE_DEBUGGER
185extern void acpi_EnterDebugger(void);
186#endif
187
188#ifdef ACPI_DEBUG
189#include <sys/cons.h>
190#define STEP(x) do {printf x, printf("\n"); cngetc();} while (0)
191#else
192#define STEP(x)
193#endif
194
195extern BOOLEAN acpi_DeviceIsPresent(device_t dev);
196extern BOOLEAN acpi_MatchHid(device_t dev, char *hid);
197extern ACPI_STATUS acpi_GetHandleInScope(ACPI_HANDLE parent, char *path, ACPI_HANDLE *result);
198extern ACPI_BUFFER *acpi_AllocBuffer(int size);
199extern ACPI_STATUS acpi_GetIntoBuffer(ACPI_HANDLE handle,
200 ACPI_STATUS (*func)(ACPI_HANDLE, ACPI_BUFFER *),
201 ACPI_BUFFER *buf);
202extern ACPI_STATUS acpi_GetTableIntoBuffer(ACPI_TABLE_TYPE table, UINT32 instance, ACPI_BUFFER *buf);
203extern ACPI_STATUS acpi_EvaluateIntoBuffer(ACPI_HANDLE object, ACPI_STRING pathname,
204 ACPI_OBJECT_LIST *params, ACPI_BUFFER *buf);
205extern ACPI_STATUS acpi_EvaluateInteger(ACPI_HANDLE handle, char *path, int *number);
206extern ACPI_STATUS acpi_ForeachPackageObject(ACPI_OBJECT *obj,
207 void (* func)(ACPI_OBJECT *comp, void *arg),
208 void *arg);
209extern ACPI_STATUS acpi_FindIndexedResource(ACPI_RESOURCE *resbuf, int index, ACPI_RESOURCE **resp);
210
211extern ACPI_STATUS acpi_SetSleepState(struct acpi_softc *sc, int state);
212extern ACPI_STATUS acpi_Enable(struct acpi_softc *sc);
213extern ACPI_STATUS acpi_Disable(struct acpi_softc *sc);
214
215struct acpi_parse_resource_set {
216 void (* set_init)(device_t dev, void **context);
217 void (* set_done)(device_t dev, void *context);
218 void (* set_ioport)(device_t dev, void *context, u_int32_t base, u_int32_t length);
219 void (* set_iorange)(device_t dev, void *context, u_int32_t low, u_int32_t high,
220 u_int32_t length, u_int32_t align);
221 void (* set_memory)(device_t dev, void *context, u_int32_t base, u_int32_t length);
222 void (* set_memoryrange)(device_t dev, void *context, u_int32_t low, u_int32_t high,
223 u_int32_t length, u_int32_t align);
224 void (* set_irq)(device_t dev, void *context, u_int32_t irq);
225 void (* set_drq)(device_t dev, void *context, u_int32_t drq);
226 void (* set_start_dependant)(device_t dev, void *context, int preference);
227 void (* set_end_dependant)(device_t dev, void *context);
228};
229
230extern struct acpi_parse_resource_set acpi_res_parse_set;
231extern ACPI_STATUS acpi_parse_resources(device_t dev, ACPI_HANDLE handle,
232 struct acpi_parse_resource_set *set);
233
234/* XXX this is ugly */
235extern char *acpi_strerror(ACPI_STATUS excep);
236
237/*
238 * ACPI event handling
239 */
240extern UINT32 acpi_eventhandler_power_button_for_sleep(void *context);
241extern UINT32 acpi_eventhandler_power_button_for_wakeup(void *context);
242extern UINT32 acpi_eventhandler_sleep_button_for_sleep(void *context);
243extern UINT32 acpi_eventhandler_sleep_button_for_wakeup(void *context);
244
245#define ACPI_EVENT_PRI_FIRST 0
246#define ACPI_EVENT_PRI_DEFAULT 10000
247#define ACPI_EVENT_PRI_LAST 20000
248
249typedef void (*acpi_event_handler_t) __P((void *, int));
250
251EVENTHANDLER_DECLARE(acpi_sleep_event, acpi_event_handler_t);
252EVENTHANDLER_DECLARE(acpi_wakeup_event, acpi_event_handler_t);
253
254/*
255 * Device power control.
256 */
257extern ACPI_STATUS acpi_pwr_switch_consumer(ACPI_HANDLE consumer, int state);
258
259/*
260 * Misc.
261 */
262static __inline struct acpi_softc *
263acpi_device_get_parent_softc(device_t child)
264{
265 device_t parent;
266
267 parent = device_get_parent(child);
268 if (parent == NULL) {
269 return(NULL);
270 }
271 return(device_get_softc(parent));
272}
273
274extern char *acpi_name(ACPI_HANDLE handle);
275extern int acpi_avoid(ACPI_HANDLE handle);
276extern int acpi_disabled(char *subsys);
277
278extern void acpi_install_wakeup_handler(struct acpi_softc *sc);
279extern int acpi_sleep_machdep(struct acpi_softc *sc, int state);
280
281/*
282 * Battery Abstruction.
283 */
284struct acpi_battinfo;
285
286extern int acpi_battery_register(int, int);
287extern int acpi_cmbat_get_battinfo(int, struct acpi_battinfo *);
288
289/*
290 * System power API.
291 *
292 * XXX should this be further generalised?
293 *
294 */
295#define POWERPROFILE_PERFORMANCE 0
296#define POWERPROFILE_ECONOMY 1
297
298extern int powerprofile_get_state(void);
299extern void powerprofile_set_state(int state);
300
301typedef void (*powerprofile_change_hook)(void *);
302EVENTHANDLER_DECLARE(powerprofile_change, powerprofile_change_hook);