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1da177e4 LT |
1 | /* |
2 | * acpi_bus.h - ACPI Bus Driver ($Revision: 22 $) | |
3 | * | |
4 | * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> | |
5 | * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> | |
6 | * | |
7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
8 | * | |
9 | * This program is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or (at | |
12 | * your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, but | |
15 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License along | |
20 | * with this program; if not, write to the Free Software Foundation, Inc., | |
21 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. | |
22 | * | |
23 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ | |
24 | */ | |
25 | ||
26 | #ifndef __ACPI_BUS_H__ | |
27 | #define __ACPI_BUS_H__ | |
28 | ||
5b327265 | 29 | #include <linux/device.h> |
1da177e4 LT |
30 | |
31 | #include <acpi/acpi.h> | |
32 | ||
1da177e4 LT |
33 | /* TBD: Make dynamic */ |
34 | #define ACPI_MAX_HANDLES 10 | |
35 | struct acpi_handle_list { | |
4be44fcd LB |
36 | u32 count; |
37 | acpi_handle handles[ACPI_MAX_HANDLES]; | |
1da177e4 LT |
38 | }; |
39 | ||
1da177e4 LT |
40 | /* acpi_utils.h */ |
41 | acpi_status | |
4be44fcd LB |
42 | acpi_extract_package(union acpi_object *package, |
43 | struct acpi_buffer *format, struct acpi_buffer *buffer); | |
1da177e4 | 44 | acpi_status |
4be44fcd LB |
45 | acpi_evaluate_integer(acpi_handle handle, |
46 | acpi_string pathname, | |
27663c58 | 47 | struct acpi_object_list *arguments, unsigned long long *data); |
1da177e4 | 48 | acpi_status |
4be44fcd LB |
49 | acpi_evaluate_reference(acpi_handle handle, |
50 | acpi_string pathname, | |
51 | struct acpi_object_list *arguments, | |
52 | struct acpi_handle_list *list); | |
275c58d7 TK |
53 | acpi_status |
54 | acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event, | |
55 | u32 status_code, struct acpi_buffer *status_buf); | |
1da177e4 | 56 | |
38ac0f1b | 57 | acpi_status |
8ede06ab | 58 | acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld); |
952c63e9 JL |
59 | |
60 | bool acpi_has_method(acpi_handle handle, char *name); | |
0db98202 JL |
61 | acpi_status acpi_execute_simple_method(acpi_handle handle, char *method, |
62 | u64 arg); | |
7d2421f8 JL |
63 | acpi_status acpi_evaluate_ej0(acpi_handle handle); |
64 | acpi_status acpi_evaluate_lck(acpi_handle handle, int lock); | |
ebf4df8d JL |
65 | bool acpi_ata_match(acpi_handle handle); |
66 | bool acpi_bay_match(acpi_handle handle); | |
67 | bool acpi_dock_match(acpi_handle handle); | |
952c63e9 | 68 | |
76f58584 | 69 | #ifdef CONFIG_ACPI |
1da177e4 LT |
70 | |
71 | #include <linux/proc_fs.h> | |
72 | ||
73 | #define ACPI_BUS_FILE_ROOT "acpi" | |
4be44fcd | 74 | extern struct proc_dir_entry *acpi_root_dir; |
1da177e4 | 75 | |
1da177e4 | 76 | enum acpi_bus_device_type { |
4be44fcd | 77 | ACPI_BUS_TYPE_DEVICE = 0, |
1da177e4 LT |
78 | ACPI_BUS_TYPE_POWER, |
79 | ACPI_BUS_TYPE_PROCESSOR, | |
80 | ACPI_BUS_TYPE_THERMAL, | |
1da177e4 LT |
81 | ACPI_BUS_TYPE_POWER_BUTTON, |
82 | ACPI_BUS_TYPE_SLEEP_BUTTON, | |
83 | ACPI_BUS_DEVICE_TYPE_COUNT | |
84 | }; | |
85 | ||
86 | struct acpi_driver; | |
87 | struct acpi_device; | |
88 | ||
ca589f94 RW |
89 | /* |
90 | * ACPI Scan Handler | |
91 | * ----------------- | |
92 | */ | |
93 | ||
a33ec399 RW |
94 | enum acpi_hotplug_mode { |
95 | AHM_GENERIC = 0, | |
96 | AHM_CONTAINER, | |
97 | AHM_COUNT | |
98 | }; | |
99 | ||
100 | struct acpi_hotplug_profile { | |
3f8055c3 | 101 | struct kobject kobj; |
a33ec399 RW |
102 | bool enabled:1; |
103 | enum acpi_hotplug_mode mode; | |
104 | }; | |
105 | ||
3f8055c3 RW |
106 | static inline struct acpi_hotplug_profile *to_acpi_hotplug_profile( |
107 | struct kobject *kobj) | |
108 | { | |
109 | return container_of(kobj, struct acpi_hotplug_profile, kobj); | |
110 | } | |
111 | ||
ca589f94 RW |
112 | struct acpi_scan_handler { |
113 | const struct acpi_device_id *ids; | |
114 | struct list_head list_node; | |
115 | int (*attach)(struct acpi_device *dev, const struct acpi_device_id *id); | |
116 | void (*detach)(struct acpi_device *dev); | |
a33ec399 | 117 | struct acpi_hotplug_profile hotplug; |
ca589f94 RW |
118 | }; |
119 | ||
1da177e4 LT |
120 | /* |
121 | * ACPI Driver | |
122 | * ----------- | |
123 | */ | |
124 | ||
4be44fcd | 125 | typedef int (*acpi_op_add) (struct acpi_device * device); |
51fac838 | 126 | typedef int (*acpi_op_remove) (struct acpi_device * device); |
46ec8598 | 127 | typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event); |
1da177e4 LT |
128 | |
129 | struct acpi_device_ops { | |
4be44fcd LB |
130 | acpi_op_add add; |
131 | acpi_op_remove remove; | |
46ec8598 | 132 | acpi_op_notify notify; |
1da177e4 LT |
133 | }; |
134 | ||
6d278131 BH |
135 | #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */ |
136 | ||
1da177e4 | 137 | struct acpi_driver { |
4be44fcd LB |
138 | char name[80]; |
139 | char class[80]; | |
8c8eb78f | 140 | const struct acpi_device_id *ids; /* Supported Hardware IDs */ |
6d278131 | 141 | unsigned int flags; |
4be44fcd | 142 | struct acpi_device_ops ops; |
d43ec68e | 143 | struct device_driver drv; |
1890a97a | 144 | struct module *owner; |
1da177e4 LT |
145 | }; |
146 | ||
147 | /* | |
148 | * ACPI Device | |
149 | * ----------- | |
150 | */ | |
151 | ||
152 | /* Status (_STA) */ | |
153 | ||
154 | struct acpi_device_status { | |
4be44fcd LB |
155 | u32 present:1; |
156 | u32 enabled:1; | |
157 | u32 show_in_ui:1; | |
158 | u32 functional:1; | |
159 | u32 battery_present:1; | |
160 | u32 reserved:27; | |
1da177e4 LT |
161 | }; |
162 | ||
1da177e4 LT |
163 | /* Flags */ |
164 | ||
165 | struct acpi_device_flags { | |
4be44fcd | 166 | u32 dynamic_status:1; |
4be44fcd LB |
167 | u32 removable:1; |
168 | u32 ejectable:1; | |
4be44fcd | 169 | u32 power_manageable:1; |
209d3b17 | 170 | u32 match_driver:1; |
f943db40 | 171 | u32 reserved:27; |
1da177e4 LT |
172 | }; |
173 | ||
1da177e4 LT |
174 | /* File System */ |
175 | ||
176 | struct acpi_device_dir { | |
4be44fcd | 177 | struct proc_dir_entry *entry; |
1da177e4 LT |
178 | }; |
179 | ||
180 | #define acpi_device_dir(d) ((d)->dir.entry) | |
181 | ||
1da177e4 LT |
182 | /* Plug and Play */ |
183 | ||
24c5c4c2 | 184 | typedef char acpi_bus_id[8]; |
4be44fcd | 185 | typedef unsigned long acpi_bus_address; |
4be44fcd LB |
186 | typedef char acpi_device_name[40]; |
187 | typedef char acpi_device_class[20]; | |
1da177e4 | 188 | |
7f47fa6c BH |
189 | struct acpi_hardware_id { |
190 | struct list_head list; | |
191 | char *id; | |
192 | }; | |
193 | ||
d4e1a692 TK |
194 | struct acpi_pnp_type { |
195 | u32 hardware_id:1; | |
196 | u32 bus_address:1; | |
197 | u32 reserved:30; | |
198 | }; | |
199 | ||
1da177e4 | 200 | struct acpi_device_pnp { |
d4e1a692 TK |
201 | acpi_bus_id bus_id; /* Object name */ |
202 | struct acpi_pnp_type type; /* ID type */ | |
4be44fcd | 203 | acpi_bus_address bus_address; /* _ADR */ |
d4e1a692 | 204 | char *unique_id; /* _UID */ |
7f47fa6c | 205 | struct list_head ids; /* _HID and _CIDs */ |
4be44fcd LB |
206 | acpi_device_name device_name; /* Driver-determined */ |
207 | acpi_device_class device_class; /* " */ | |
d1efe3c3 | 208 | union acpi_object *str_obj; /* unicode string for _STR method */ |
bb74ac23 | 209 | unsigned long sun; /* _SUN */ |
1da177e4 LT |
210 | }; |
211 | ||
212 | #define acpi_device_bid(d) ((d)->pnp.bus_id) | |
213 | #define acpi_device_adr(d) ((d)->pnp.bus_address) | |
620e112c | 214 | const char *acpi_device_hid(struct acpi_device *device); |
1da177e4 LT |
215 | #define acpi_device_name(d) ((d)->pnp.device_name) |
216 | #define acpi_device_class(d) ((d)->pnp.device_class) | |
217 | ||
1da177e4 LT |
218 | /* Power Management */ |
219 | ||
220 | struct acpi_device_power_flags { | |
4be44fcd LB |
221 | u32 explicit_get:1; /* _PSC present? */ |
222 | u32 power_resources:1; /* Power resources */ | |
223 | u32 inrush_current:1; /* Serialize Dx->D0 */ | |
224 | u32 power_removed:1; /* Optimize Dx->D0 */ | |
225 | u32 reserved:28; | |
1da177e4 LT |
226 | }; |
227 | ||
228 | struct acpi_device_power_state { | |
229 | struct { | |
4be44fcd | 230 | u8 valid:1; |
1399dfcd | 231 | u8 os_accessible:1; |
4be44fcd LB |
232 | u8 explicit_set:1; /* _PSx present? */ |
233 | u8 reserved:6; | |
234 | } flags; | |
235 | int power; /* % Power (compared to D0) */ | |
236 | int latency; /* Dx->D0 time (microseconds) */ | |
0b224527 | 237 | struct list_head resources; /* Power resources referenced */ |
1da177e4 LT |
238 | }; |
239 | ||
240 | struct acpi_device_power { | |
4be44fcd | 241 | int state; /* Current state */ |
1da177e4 | 242 | struct acpi_device_power_flags flags; |
b4a03b9a | 243 | struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */ |
1da177e4 LT |
244 | }; |
245 | ||
1da177e4 LT |
246 | /* Performance Management */ |
247 | ||
248 | struct acpi_device_perf_flags { | |
4be44fcd | 249 | u8 reserved:8; |
1da177e4 LT |
250 | }; |
251 | ||
252 | struct acpi_device_perf_state { | |
253 | struct { | |
4be44fcd LB |
254 | u8 valid:1; |
255 | u8 reserved:7; | |
256 | } flags; | |
257 | u8 power; /* % Power (compared to P0) */ | |
258 | u8 performance; /* % Performance ( " ) */ | |
259 | int latency; /* Px->P0 time (microseconds) */ | |
1da177e4 LT |
260 | }; |
261 | ||
262 | struct acpi_device_perf { | |
4be44fcd | 263 | int state; |
1da177e4 | 264 | struct acpi_device_perf_flags flags; |
4be44fcd | 265 | int state_count; |
1da177e4 LT |
266 | struct acpi_device_perf_state *states; |
267 | }; | |
268 | ||
269 | /* Wakeup Management */ | |
270 | struct acpi_device_wakeup_flags { | |
4be44fcd LB |
271 | u8 valid:1; /* Can successfully enable wakeup? */ |
272 | u8 run_wake:1; /* Run-Wake GPE devices */ | |
b67ea761 | 273 | u8 notifier_present:1; /* Wake-up notify handler has been installed */ |
1da177e4 LT |
274 | }; |
275 | ||
1da177e4 | 276 | struct acpi_device_wakeup { |
4be44fcd | 277 | acpi_handle gpe_device; |
439913ff LM |
278 | u64 gpe_number; |
279 | u64 sleep_state; | |
993cbe59 | 280 | struct list_head resources; |
4be44fcd | 281 | struct acpi_device_wakeup_flags flags; |
9b83ccd2 | 282 | int prepare_count; |
1da177e4 LT |
283 | }; |
284 | ||
1033f904 | 285 | struct acpi_device_physical_node { |
007ccfcf | 286 | unsigned int node_id; |
1033f904 LT |
287 | struct list_head node; |
288 | struct device *dev; | |
683058e3 | 289 | bool put_online:1; |
1033f904 | 290 | }; |
1da177e4 | 291 | |
1033f904 | 292 | /* Device */ |
1da177e4 | 293 | struct acpi_device { |
caaa6efb BH |
294 | int device_type; |
295 | acpi_handle handle; /* no handle for fixed hardware */ | |
4be44fcd LB |
296 | struct acpi_device *parent; |
297 | struct list_head children; | |
298 | struct list_head node; | |
299 | struct list_head wakeup_list; | |
1da177e4 LT |
300 | struct acpi_device_status status; |
301 | struct acpi_device_flags flags; | |
4be44fcd | 302 | struct acpi_device_pnp pnp; |
1da177e4 LT |
303 | struct acpi_device_power power; |
304 | struct acpi_device_wakeup wakeup; | |
4be44fcd LB |
305 | struct acpi_device_perf performance; |
306 | struct acpi_device_dir dir; | |
ca589f94 | 307 | struct acpi_scan_handler *handler; |
4be44fcd LB |
308 | struct acpi_driver *driver; |
309 | void *driver_data; | |
5b327265 | 310 | struct device dev; |
007ccfcf | 311 | unsigned int physical_node_count; |
1033f904 LT |
312 | struct list_head physical_node_list; |
313 | struct mutex physical_node_lock; | |
bc9b6407 | 314 | struct list_head power_dependent; |
b1c0f99b | 315 | void (*remove)(struct acpi_device *); |
1da177e4 LT |
316 | }; |
317 | ||
db89b4f0 PM |
318 | static inline void *acpi_driver_data(struct acpi_device *d) |
319 | { | |
320 | return d->driver_data; | |
321 | } | |
322 | ||
d43ec68e PM |
323 | #define to_acpi_device(d) container_of(d, struct acpi_device, dev) |
324 | #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) | |
1da177e4 | 325 | |
55955aad DB |
326 | /* acpi_device.dev.bus == &acpi_bus_type */ |
327 | extern struct bus_type acpi_bus_type; | |
328 | ||
1da177e4 LT |
329 | /* |
330 | * Events | |
331 | * ------ | |
332 | */ | |
333 | ||
334 | struct acpi_bus_event { | |
4be44fcd LB |
335 | struct list_head node; |
336 | acpi_device_class device_class; | |
337 | acpi_bus_id bus_id; | |
338 | u32 type; | |
339 | u32 data; | |
1da177e4 LT |
340 | }; |
341 | ||
c4753e57 | 342 | struct acpi_eject_event { |
5993c467 | 343 | struct acpi_device *device; |
c4753e57 TK |
344 | u32 event; |
345 | }; | |
346 | ||
92d8aff3 YL |
347 | struct acpi_hp_work { |
348 | struct work_struct work; | |
349 | acpi_handle handle; | |
350 | u32 type; | |
351 | void *context; | |
352 | }; | |
353 | void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context, | |
354 | void (*func)(struct work_struct *work)); | |
355 | ||
99e0d2fc | 356 | extern struct kobject *acpi_kobj; |
962ce8ca | 357 | extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); |
8e4319c4 | 358 | void acpi_bus_private_data_handler(acpi_handle, void *); |
20733939 | 359 | int acpi_bus_get_private_data(acpi_handle, void **); |
9ee85241 ZR |
360 | extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); |
361 | extern int register_acpi_notifier(struct notifier_block *); | |
362 | extern int unregister_acpi_notifier(struct notifier_block *); | |
6bd00a61 | 363 | |
1da177e4 LT |
364 | /* |
365 | * External Functions | |
366 | */ | |
367 | ||
368 | int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); | |
402ac536 BH |
369 | acpi_status acpi_bus_get_status_handle(acpi_handle handle, |
370 | unsigned long long *sta); | |
4be44fcd | 371 | int acpi_bus_get_status(struct acpi_device *device); |
9ce4e607 | 372 | |
4be44fcd | 373 | int acpi_bus_set_power(acpi_handle handle, int state); |
96bfd3ce | 374 | const char *acpi_power_state_string(int state); |
ad0c3b0e | 375 | int acpi_device_get_power(struct acpi_device *device, int *state); |
078eb126 | 376 | int acpi_device_set_power(struct acpi_device *device, int state); |
9ce4e607 | 377 | int acpi_bus_init_power(struct acpi_device *device); |
b9e95fc6 | 378 | int acpi_device_fix_up_power(struct acpi_device *device); |
25eed407 | 379 | int acpi_bus_update_power(acpi_handle handle, int *state_p); |
3737b2b1 | 380 | bool acpi_bus_power_manageable(acpi_handle handle); |
ec4602a9 RW |
381 | |
382 | #ifdef CONFIG_PM | |
eb9d0fe4 | 383 | bool acpi_bus_can_wakeup(acpi_handle handle); |
ec4602a9 RW |
384 | #else |
385 | static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; } | |
386 | #endif | |
9ce4e607 | 387 | |
3757b948 RW |
388 | void acpi_scan_lock_acquire(void); |
389 | void acpi_scan_lock_release(void); | |
ca589f94 | 390 | int acpi_scan_add_handler(struct acpi_scan_handler *handler); |
4be44fcd | 391 | int acpi_bus_register_driver(struct acpi_driver *driver); |
06ea8e08 | 392 | void acpi_bus_unregister_driver(struct acpi_driver *driver); |
b8bd759a | 393 | int acpi_bus_scan(acpi_handle handle); |
c4753e57 | 394 | void acpi_bus_hot_remove_device(void *context); |
bfee26db | 395 | void acpi_bus_trim(struct acpi_device *start); |
fd350943 | 396 | acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); |
8c8eb78f TR |
397 | int acpi_match_device_ids(struct acpi_device *device, |
398 | const struct acpi_device_id *ids); | |
1da177e4 LT |
399 | int acpi_create_dir(struct acpi_device *); |
400 | void acpi_remove_dir(struct acpi_device *); | |
401 | ||
0d2cf8f5 MW |
402 | |
403 | /** | |
404 | * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver | |
405 | * @__acpi_driver: acpi_driver struct | |
406 | * | |
407 | * Helper macro for ACPI drivers which do not do anything special in module | |
408 | * init/exit. This eliminates a lot of boilerplate. Each module may only | |
409 | * use this macro once, and calling it replaces module_init() and module_exit() | |
410 | */ | |
411 | #define module_acpi_driver(__acpi_driver) \ | |
412 | module_driver(__acpi_driver, acpi_bus_register_driver, \ | |
413 | acpi_bus_unregister_driver) | |
414 | ||
4e10d12a DSL |
415 | /* |
416 | * Bind physical devices with ACPI devices | |
417 | */ | |
4e10d12a | 418 | struct acpi_bus_type { |
4be44fcd | 419 | struct list_head list; |
53540098 RW |
420 | const char *name; |
421 | bool (*match)(struct device *dev); | |
4be44fcd | 422 | int (*find_device) (struct device *, acpi_handle *); |
11909ca1 RW |
423 | void (*setup)(struct device *); |
424 | void (*cleanup)(struct device *); | |
4e10d12a DSL |
425 | }; |
426 | int register_acpi_bus_type(struct acpi_bus_type *); | |
427 | int unregister_acpi_bus_type(struct acpi_bus_type *); | |
22c13f9d | 428 | |
76d56de5 | 429 | struct acpi_pci_root { |
76d56de5 | 430 | struct acpi_device * device; |
76d56de5 AC |
431 | struct pci_bus *bus; |
432 | u16 segment; | |
6ad95513 | 433 | struct resource secondary; /* downstream bus range */ |
76d56de5 AC |
434 | |
435 | u32 osc_support_set; /* _OSC state of support bits */ | |
436 | u32 osc_control_set; /* _OSC state of control bits */ | |
f4b57a3b | 437 | phys_addr_t mcfg_addr; |
76d56de5 AC |
438 | }; |
439 | ||
4e10d12a | 440 | /* helper */ |
60f75b8e RW |
441 | acpi_handle acpi_find_child(acpi_handle, u64, bool); |
442 | static inline acpi_handle acpi_get_child(acpi_handle handle, u64 addr) | |
443 | { | |
444 | return acpi_find_child(handle, addr, false); | |
445 | } | |
27558203 | 446 | int acpi_is_root_bridge(acpi_handle); |
76d56de5 | 447 | struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); |
95f8a082 | 448 | #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)ACPI_HANDLE(dev)) |
4e10d12a | 449 | |
b67ea761 RW |
450 | int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); |
451 | int acpi_disable_wakeup_device_power(struct acpi_device *dev); | |
452 | ||
aa338601 | 453 | #ifdef CONFIG_PM |
ec2cd81c RW |
454 | acpi_status acpi_add_pm_notifier(struct acpi_device *adev, |
455 | acpi_notify_handler handler, void *context); | |
456 | acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, | |
457 | acpi_notify_handler handler); | |
ee85f543 | 458 | int acpi_pm_device_sleep_state(struct device *, int *, int); |
bc9b6407 RW |
459 | void acpi_dev_pm_add_dependent(acpi_handle handle, struct device *depdev); |
460 | void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev); | |
761afb86 | 461 | #else |
ec2cd81c RW |
462 | static inline acpi_status acpi_add_pm_notifier(struct acpi_device *adev, |
463 | acpi_notify_handler handler, | |
464 | void *context) | |
465 | { | |
466 | return AE_SUPPORT; | |
467 | } | |
468 | static inline acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, | |
469 | acpi_notify_handler handler) | |
470 | { | |
471 | return AE_SUPPORT; | |
472 | } | |
b25c77ef | 473 | static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) |
296699de RW |
474 | { |
475 | if (p) | |
476 | *p = ACPI_STATE_D0; | |
b25c77ef | 477 | |
8ad928d5 RW |
478 | return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3_COLD) ? |
479 | m : ACPI_STATE_D0; | |
296699de | 480 | } |
bc9b6407 RW |
481 | static inline void acpi_dev_pm_add_dependent(acpi_handle handle, |
482 | struct device *depdev) {} | |
483 | static inline void acpi_dev_pm_remove_dependent(acpi_handle handle, | |
484 | struct device *depdev) {} | |
761afb86 RW |
485 | #endif |
486 | ||
bdda27fb | 487 | #ifdef CONFIG_PM_RUNTIME |
dee8370c | 488 | int __acpi_device_run_wake(struct acpi_device *, bool); |
b24e5098 | 489 | int acpi_pm_device_run_wake(struct device *, bool); |
761afb86 | 490 | #else |
dee8370c RW |
491 | static inline int __acpi_device_run_wake(struct acpi_device *adev, bool en) |
492 | { | |
493 | return -ENODEV; | |
494 | } | |
b24e5098 LM |
495 | static inline int acpi_pm_device_run_wake(struct device *dev, bool enable) |
496 | { | |
497 | return -ENODEV; | |
498 | } | |
bdda27fb RW |
499 | #endif |
500 | ||
501 | #ifdef CONFIG_PM_SLEEP | |
dee8370c | 502 | int __acpi_device_sleep_wake(struct acpi_device *, u32, bool); |
bdda27fb RW |
503 | int acpi_pm_device_sleep_wake(struct device *, bool); |
504 | #else | |
dee8370c RW |
505 | static inline int __acpi_device_sleep_wake(struct acpi_device *adev, |
506 | u32 target_state, bool enable) | |
507 | { | |
508 | return -ENODEV; | |
509 | } | |
f7a1b860 DH |
510 | static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) |
511 | { | |
512 | return -ENODEV; | |
513 | } | |
761afb86 | 514 | #endif |
fd4aff1a | 515 | |
99926a8c DR |
516 | #ifdef CONFIG_ACPI_SLEEP |
517 | u32 acpi_target_system_state(void); | |
518 | #else | |
519 | static inline u32 acpi_target_system_state(void) { return ACPI_STATE_S0; } | |
520 | #endif | |
521 | ||
078eb126 RW |
522 | static inline bool acpi_device_power_manageable(struct acpi_device *adev) |
523 | { | |
524 | return adev->flags.power_manageable; | |
525 | } | |
526 | ||
527 | static inline bool acpi_device_can_wakeup(struct acpi_device *adev) | |
528 | { | |
529 | return adev->wakeup.flags.valid; | |
530 | } | |
531 | ||
1399dfcd AL |
532 | static inline bool acpi_device_can_poweroff(struct acpi_device *adev) |
533 | { | |
534 | return adev->power.states[ACPI_STATE_D3_COLD].flags.os_accessible; | |
535 | } | |
536 | ||
66886d6f MG |
537 | #else /* CONFIG_ACPI */ |
538 | ||
7ae30986 LB |
539 | static inline int register_acpi_bus_type(void *bus) { return 0; } |
540 | static inline int unregister_acpi_bus_type(void *bus) { return 0; } | |
66886d6f | 541 | |
fd350943 | 542 | #endif /* CONFIG_ACPI */ |
1da177e4 LT |
543 | |
544 | #endif /*__ACPI_BUS_H__*/ |