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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); |
76f58584 | 59 | #ifdef CONFIG_ACPI |
1da177e4 LT |
60 | |
61 | #include <linux/proc_fs.h> | |
62 | ||
63 | #define ACPI_BUS_FILE_ROOT "acpi" | |
4be44fcd | 64 | extern struct proc_dir_entry *acpi_root_dir; |
1da177e4 LT |
65 | |
66 | enum acpi_bus_removal_type { | |
4be44fcd | 67 | ACPI_BUS_REMOVAL_NORMAL = 0, |
1da177e4 LT |
68 | ACPI_BUS_REMOVAL_EJECT, |
69 | ACPI_BUS_REMOVAL_SUPRISE, | |
70 | ACPI_BUS_REMOVAL_TYPE_COUNT | |
71 | }; | |
72 | ||
73 | enum acpi_bus_device_type { | |
4be44fcd | 74 | ACPI_BUS_TYPE_DEVICE = 0, |
1da177e4 LT |
75 | ACPI_BUS_TYPE_POWER, |
76 | ACPI_BUS_TYPE_PROCESSOR, | |
77 | ACPI_BUS_TYPE_THERMAL, | |
1da177e4 LT |
78 | ACPI_BUS_TYPE_POWER_BUTTON, |
79 | ACPI_BUS_TYPE_SLEEP_BUTTON, | |
80 | ACPI_BUS_DEVICE_TYPE_COUNT | |
81 | }; | |
82 | ||
83 | struct acpi_driver; | |
84 | struct acpi_device; | |
85 | ||
ca589f94 RW |
86 | /* |
87 | * ACPI Scan Handler | |
88 | * ----------------- | |
89 | */ | |
90 | ||
91 | struct acpi_scan_handler { | |
92 | const struct acpi_device_id *ids; | |
93 | struct list_head list_node; | |
94 | int (*attach)(struct acpi_device *dev, const struct acpi_device_id *id); | |
95 | void (*detach)(struct acpi_device *dev); | |
96 | }; | |
97 | ||
1da177e4 LT |
98 | /* |
99 | * ACPI Driver | |
100 | * ----------- | |
101 | */ | |
102 | ||
4be44fcd | 103 | typedef int (*acpi_op_add) (struct acpi_device * device); |
51fac838 | 104 | typedef int (*acpi_op_remove) (struct acpi_device * device); |
46ec8598 | 105 | typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event); |
1da177e4 LT |
106 | |
107 | struct acpi_device_ops { | |
4be44fcd LB |
108 | acpi_op_add add; |
109 | acpi_op_remove remove; | |
46ec8598 | 110 | acpi_op_notify notify; |
1da177e4 LT |
111 | }; |
112 | ||
6d278131 BH |
113 | #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */ |
114 | ||
1da177e4 | 115 | struct acpi_driver { |
4be44fcd LB |
116 | char name[80]; |
117 | char class[80]; | |
8c8eb78f | 118 | const struct acpi_device_id *ids; /* Supported Hardware IDs */ |
6d278131 | 119 | unsigned int flags; |
4be44fcd | 120 | struct acpi_device_ops ops; |
d43ec68e | 121 | struct device_driver drv; |
1890a97a | 122 | struct module *owner; |
1da177e4 LT |
123 | }; |
124 | ||
125 | /* | |
126 | * ACPI Device | |
127 | * ----------- | |
128 | */ | |
129 | ||
130 | /* Status (_STA) */ | |
131 | ||
132 | struct acpi_device_status { | |
4be44fcd LB |
133 | u32 present:1; |
134 | u32 enabled:1; | |
135 | u32 show_in_ui:1; | |
136 | u32 functional:1; | |
137 | u32 battery_present:1; | |
138 | u32 reserved:27; | |
1da177e4 LT |
139 | }; |
140 | ||
1da177e4 LT |
141 | /* Flags */ |
142 | ||
143 | struct acpi_device_flags { | |
4be44fcd | 144 | u32 dynamic_status:1; |
4be44fcd | 145 | u32 bus_address:1; |
4be44fcd LB |
146 | u32 removable:1; |
147 | u32 ejectable:1; | |
4be44fcd LB |
148 | u32 suprise_removal_ok:1; |
149 | u32 power_manageable:1; | |
150 | u32 performance_manageable:1; | |
c4753e57 | 151 | u32 eject_pending:1; |
209d3b17 RW |
152 | u32 match_driver:1; |
153 | u32 reserved:23; | |
1da177e4 LT |
154 | }; |
155 | ||
1da177e4 LT |
156 | /* File System */ |
157 | ||
158 | struct acpi_device_dir { | |
4be44fcd | 159 | struct proc_dir_entry *entry; |
1da177e4 LT |
160 | }; |
161 | ||
162 | #define acpi_device_dir(d) ((d)->dir.entry) | |
163 | ||
1da177e4 LT |
164 | /* Plug and Play */ |
165 | ||
24c5c4c2 | 166 | typedef char acpi_bus_id[8]; |
4be44fcd | 167 | typedef unsigned long acpi_bus_address; |
4be44fcd LB |
168 | typedef char acpi_device_name[40]; |
169 | typedef char acpi_device_class[20]; | |
1da177e4 | 170 | |
7f47fa6c BH |
171 | struct acpi_hardware_id { |
172 | struct list_head list; | |
173 | char *id; | |
174 | }; | |
175 | ||
1da177e4 | 176 | struct acpi_device_pnp { |
4be44fcd LB |
177 | acpi_bus_id bus_id; /* Object name */ |
178 | acpi_bus_address bus_address; /* _ADR */ | |
15b8dd53 | 179 | char *unique_id; /* _UID */ |
7f47fa6c | 180 | struct list_head ids; /* _HID and _CIDs */ |
4be44fcd LB |
181 | acpi_device_name device_name; /* Driver-determined */ |
182 | acpi_device_class device_class; /* " */ | |
d1efe3c3 | 183 | union acpi_object *str_obj; /* unicode string for _STR method */ |
bb74ac23 | 184 | unsigned long sun; /* _SUN */ |
1da177e4 LT |
185 | }; |
186 | ||
187 | #define acpi_device_bid(d) ((d)->pnp.bus_id) | |
188 | #define acpi_device_adr(d) ((d)->pnp.bus_address) | |
620e112c | 189 | const char *acpi_device_hid(struct acpi_device *device); |
1da177e4 LT |
190 | #define acpi_device_name(d) ((d)->pnp.device_name) |
191 | #define acpi_device_class(d) ((d)->pnp.device_class) | |
192 | ||
1da177e4 LT |
193 | /* Power Management */ |
194 | ||
195 | struct acpi_device_power_flags { | |
4be44fcd LB |
196 | u32 explicit_get:1; /* _PSC present? */ |
197 | u32 power_resources:1; /* Power resources */ | |
198 | u32 inrush_current:1; /* Serialize Dx->D0 */ | |
199 | u32 power_removed:1; /* Optimize Dx->D0 */ | |
200 | u32 reserved:28; | |
1da177e4 LT |
201 | }; |
202 | ||
203 | struct acpi_device_power_state { | |
204 | struct { | |
4be44fcd | 205 | u8 valid:1; |
1399dfcd | 206 | u8 os_accessible:1; |
4be44fcd LB |
207 | u8 explicit_set:1; /* _PSx present? */ |
208 | u8 reserved:6; | |
209 | } flags; | |
210 | int power; /* % Power (compared to D0) */ | |
211 | int latency; /* Dx->D0 time (microseconds) */ | |
0b224527 | 212 | struct list_head resources; /* Power resources referenced */ |
1da177e4 LT |
213 | }; |
214 | ||
215 | struct acpi_device_power { | |
4be44fcd | 216 | int state; /* Current state */ |
1da177e4 | 217 | struct acpi_device_power_flags flags; |
b4a03b9a | 218 | struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */ |
1da177e4 LT |
219 | }; |
220 | ||
1da177e4 LT |
221 | /* Performance Management */ |
222 | ||
223 | struct acpi_device_perf_flags { | |
4be44fcd | 224 | u8 reserved:8; |
1da177e4 LT |
225 | }; |
226 | ||
227 | struct acpi_device_perf_state { | |
228 | struct { | |
4be44fcd LB |
229 | u8 valid:1; |
230 | u8 reserved:7; | |
231 | } flags; | |
232 | u8 power; /* % Power (compared to P0) */ | |
233 | u8 performance; /* % Performance ( " ) */ | |
234 | int latency; /* Px->P0 time (microseconds) */ | |
1da177e4 LT |
235 | }; |
236 | ||
237 | struct acpi_device_perf { | |
4be44fcd | 238 | int state; |
1da177e4 | 239 | struct acpi_device_perf_flags flags; |
4be44fcd | 240 | int state_count; |
1da177e4 LT |
241 | struct acpi_device_perf_state *states; |
242 | }; | |
243 | ||
244 | /* Wakeup Management */ | |
245 | struct acpi_device_wakeup_flags { | |
4be44fcd LB |
246 | u8 valid:1; /* Can successfully enable wakeup? */ |
247 | u8 run_wake:1; /* Run-Wake GPE devices */ | |
b67ea761 | 248 | u8 notifier_present:1; /* Wake-up notify handler has been installed */ |
1da177e4 LT |
249 | }; |
250 | ||
1da177e4 | 251 | struct acpi_device_wakeup { |
4be44fcd | 252 | acpi_handle gpe_device; |
439913ff LM |
253 | u64 gpe_number; |
254 | u64 sleep_state; | |
993cbe59 | 255 | struct list_head resources; |
4be44fcd | 256 | struct acpi_device_wakeup_flags flags; |
9b83ccd2 | 257 | int prepare_count; |
1da177e4 LT |
258 | }; |
259 | ||
1033f904 LT |
260 | struct acpi_device_physical_node { |
261 | u8 node_id; | |
262 | struct list_head node; | |
263 | struct device *dev; | |
264 | }; | |
1da177e4 | 265 | |
1033f904 LT |
266 | /* set maximum of physical nodes to 32 for expansibility */ |
267 | #define ACPI_MAX_PHYSICAL_NODE 32 | |
1da177e4 | 268 | |
1033f904 | 269 | /* Device */ |
1da177e4 | 270 | struct acpi_device { |
caaa6efb BH |
271 | int device_type; |
272 | acpi_handle handle; /* no handle for fixed hardware */ | |
4be44fcd LB |
273 | struct acpi_device *parent; |
274 | struct list_head children; | |
275 | struct list_head node; | |
276 | struct list_head wakeup_list; | |
1da177e4 LT |
277 | struct acpi_device_status status; |
278 | struct acpi_device_flags flags; | |
4be44fcd | 279 | struct acpi_device_pnp pnp; |
1da177e4 LT |
280 | struct acpi_device_power power; |
281 | struct acpi_device_wakeup wakeup; | |
4be44fcd LB |
282 | struct acpi_device_perf performance; |
283 | struct acpi_device_dir dir; | |
ca589f94 | 284 | struct acpi_scan_handler *handler; |
4be44fcd LB |
285 | struct acpi_driver *driver; |
286 | void *driver_data; | |
5b327265 | 287 | struct device dev; |
fd350943 | 288 | enum acpi_bus_removal_type removal_type; /* indicate for different removal type */ |
1033f904 LT |
289 | u8 physical_node_count; |
290 | struct list_head physical_node_list; | |
291 | struct mutex physical_node_lock; | |
292 | DECLARE_BITMAP(physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE); | |
bc9b6407 | 293 | struct list_head power_dependent; |
b1c0f99b | 294 | void (*remove)(struct acpi_device *); |
1da177e4 LT |
295 | }; |
296 | ||
db89b4f0 PM |
297 | static inline void *acpi_driver_data(struct acpi_device *d) |
298 | { | |
299 | return d->driver_data; | |
300 | } | |
301 | ||
d43ec68e PM |
302 | #define to_acpi_device(d) container_of(d, struct acpi_device, dev) |
303 | #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) | |
1da177e4 | 304 | |
55955aad DB |
305 | /* acpi_device.dev.bus == &acpi_bus_type */ |
306 | extern struct bus_type acpi_bus_type; | |
307 | ||
1da177e4 LT |
308 | /* |
309 | * Events | |
310 | * ------ | |
311 | */ | |
312 | ||
313 | struct acpi_bus_event { | |
4be44fcd LB |
314 | struct list_head node; |
315 | acpi_device_class device_class; | |
316 | acpi_bus_id bus_id; | |
317 | u32 type; | |
318 | u32 data; | |
1da177e4 LT |
319 | }; |
320 | ||
c4753e57 | 321 | struct acpi_eject_event { |
5993c467 | 322 | struct acpi_device *device; |
c4753e57 TK |
323 | u32 event; |
324 | }; | |
325 | ||
92d8aff3 YL |
326 | struct acpi_hp_work { |
327 | struct work_struct work; | |
328 | acpi_handle handle; | |
329 | u32 type; | |
330 | void *context; | |
331 | }; | |
332 | void alloc_acpi_hp_work(acpi_handle handle, u32 type, void *context, | |
333 | void (*func)(struct work_struct *work)); | |
334 | ||
99e0d2fc | 335 | extern struct kobject *acpi_kobj; |
962ce8ca | 336 | extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); |
8e4319c4 | 337 | void acpi_bus_private_data_handler(acpi_handle, void *); |
20733939 | 338 | int acpi_bus_get_private_data(acpi_handle, void **); |
9ee85241 ZR |
339 | extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); |
340 | extern int register_acpi_notifier(struct notifier_block *); | |
341 | extern int unregister_acpi_notifier(struct notifier_block *); | |
6bd00a61 SL |
342 | |
343 | extern int register_acpi_bus_notifier(struct notifier_block *nb); | |
344 | extern void unregister_acpi_bus_notifier(struct notifier_block *nb); | |
1da177e4 LT |
345 | /* |
346 | * External Functions | |
347 | */ | |
348 | ||
349 | int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); | |
8e4319c4 | 350 | void acpi_bus_data_handler(acpi_handle handle, void *context); |
402ac536 BH |
351 | acpi_status acpi_bus_get_status_handle(acpi_handle handle, |
352 | unsigned long long *sta); | |
4be44fcd | 353 | int acpi_bus_get_status(struct acpi_device *device); |
9ce4e607 RW |
354 | |
355 | #ifdef CONFIG_PM | |
4be44fcd | 356 | int acpi_bus_set_power(acpi_handle handle, int state); |
96bfd3ce | 357 | const char *acpi_power_state_string(int state); |
ad0c3b0e | 358 | int acpi_device_get_power(struct acpi_device *device, int *state); |
078eb126 | 359 | int acpi_device_set_power(struct acpi_device *device, int state); |
9ce4e607 | 360 | int acpi_bus_init_power(struct acpi_device *device); |
25eed407 | 361 | int acpi_bus_update_power(acpi_handle handle, int *state_p); |
3737b2b1 | 362 | bool acpi_bus_power_manageable(acpi_handle handle); |
eb9d0fe4 | 363 | bool acpi_bus_can_wakeup(acpi_handle handle); |
9ce4e607 RW |
364 | #else /* !CONFIG_PM */ |
365 | static inline int acpi_bus_set_power(acpi_handle handle, int state) | |
366 | { | |
367 | return 0; | |
368 | } | |
369 | static inline const char *acpi_power_state_string(int state) | |
370 | { | |
371 | return "D0"; | |
372 | } | |
373 | static inline int acpi_device_get_power(struct acpi_device *device, int *state) | |
374 | { | |
375 | return 0; | |
376 | } | |
377 | static inline int acpi_device_set_power(struct acpi_device *device, int state) | |
378 | { | |
379 | return 0; | |
380 | } | |
381 | static inline int acpi_bus_init_power(struct acpi_device *device) | |
382 | { | |
383 | return 0; | |
384 | } | |
385 | static inline int acpi_bus_update_power(acpi_handle handle, int *state_p) | |
386 | { | |
387 | return 0; | |
388 | } | |
389 | static inline bool acpi_bus_power_manageable(acpi_handle handle) | |
390 | { | |
391 | return false; | |
392 | } | |
393 | static inline bool acpi_bus_can_wakeup(acpi_handle handle) | |
394 | { | |
395 | return false; | |
396 | } | |
397 | #endif /* !CONFIG_PM */ | |
398 | ||
14e04fb3 LB |
399 | #ifdef CONFIG_ACPI_PROC_EVENT |
400 | int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data); | |
8db85d4c | 401 | int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data); |
4be44fcd | 402 | int acpi_bus_receive_event(struct acpi_bus_event *event); |
14e04fb3 LB |
403 | #else |
404 | static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data) | |
405 | { return 0; } | |
406 | #endif | |
3757b948 RW |
407 | |
408 | void acpi_scan_lock_acquire(void); | |
409 | void acpi_scan_lock_release(void); | |
ca589f94 | 410 | int acpi_scan_add_handler(struct acpi_scan_handler *handler); |
4be44fcd | 411 | int acpi_bus_register_driver(struct acpi_driver *driver); |
06ea8e08 | 412 | void acpi_bus_unregister_driver(struct acpi_driver *driver); |
b8bd759a | 413 | int acpi_bus_scan(acpi_handle handle); |
c4753e57 | 414 | void acpi_bus_hot_remove_device(void *context); |
bfee26db | 415 | void acpi_bus_trim(struct acpi_device *start); |
fd350943 | 416 | acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); |
8c8eb78f TR |
417 | int acpi_match_device_ids(struct acpi_device *device, |
418 | const struct acpi_device_id *ids); | |
1da177e4 LT |
419 | int acpi_create_dir(struct acpi_device *); |
420 | void acpi_remove_dir(struct acpi_device *); | |
421 | ||
0d2cf8f5 MW |
422 | |
423 | /** | |
424 | * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver | |
425 | * @__acpi_driver: acpi_driver struct | |
426 | * | |
427 | * Helper macro for ACPI drivers which do not do anything special in module | |
428 | * init/exit. This eliminates a lot of boilerplate. Each module may only | |
429 | * use this macro once, and calling it replaces module_init() and module_exit() | |
430 | */ | |
431 | #define module_acpi_driver(__acpi_driver) \ | |
432 | module_driver(__acpi_driver, acpi_bus_register_driver, \ | |
433 | acpi_bus_unregister_driver) | |
434 | ||
4e10d12a DSL |
435 | /* |
436 | * Bind physical devices with ACPI devices | |
437 | */ | |
4e10d12a | 438 | struct acpi_bus_type { |
4be44fcd LB |
439 | struct list_head list; |
440 | struct bus_type *bus; | |
441 | /* For general devices under the bus */ | |
442 | int (*find_device) (struct device *, acpi_handle *); | |
4e10d12a | 443 | /* For bridges, such as PCI root bridge, IDE controller */ |
4be44fcd | 444 | int (*find_bridge) (struct device *, acpi_handle *); |
11909ca1 RW |
445 | void (*setup)(struct device *); |
446 | void (*cleanup)(struct device *); | |
4e10d12a DSL |
447 | }; |
448 | int register_acpi_bus_type(struct acpi_bus_type *); | |
449 | int unregister_acpi_bus_type(struct acpi_bus_type *); | |
22c13f9d | 450 | |
76d56de5 AC |
451 | struct acpi_pci_root { |
452 | struct list_head node; | |
453 | struct acpi_device * device; | |
76d56de5 AC |
454 | struct pci_bus *bus; |
455 | u16 segment; | |
6ad95513 | 456 | struct resource secondary; /* downstream bus range */ |
76d56de5 AC |
457 | |
458 | u32 osc_support_set; /* _OSC state of support bits */ | |
459 | u32 osc_control_set; /* _OSC state of control bits */ | |
f4b57a3b | 460 | phys_addr_t mcfg_addr; |
76d56de5 AC |
461 | }; |
462 | ||
4e10d12a | 463 | /* helper */ |
439913ff | 464 | acpi_handle acpi_get_child(acpi_handle, u64); |
27558203 | 465 | int acpi_is_root_bridge(acpi_handle); |
76d56de5 | 466 | struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); |
95f8a082 | 467 | #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)ACPI_HANDLE(dev)) |
4e10d12a | 468 | |
b67ea761 RW |
469 | int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); |
470 | int acpi_disable_wakeup_device_power(struct acpi_device *dev); | |
471 | ||
aa338601 | 472 | #ifdef CONFIG_PM |
ec2cd81c RW |
473 | acpi_status acpi_add_pm_notifier(struct acpi_device *adev, |
474 | acpi_notify_handler handler, void *context); | |
475 | acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, | |
476 | acpi_notify_handler handler); | |
86b3832c RW |
477 | int acpi_device_power_state(struct device *dev, struct acpi_device *adev, |
478 | u32 target_state, int d_max_in, int *d_min_p); | |
ee85f543 | 479 | int acpi_pm_device_sleep_state(struct device *, int *, int); |
bc9b6407 RW |
480 | void acpi_dev_pm_add_dependent(acpi_handle handle, struct device *depdev); |
481 | void acpi_dev_pm_remove_dependent(acpi_handle handle, struct device *depdev); | |
761afb86 | 482 | #else |
ec2cd81c RW |
483 | static inline acpi_status acpi_add_pm_notifier(struct acpi_device *adev, |
484 | acpi_notify_handler handler, | |
485 | void *context) | |
486 | { | |
487 | return AE_SUPPORT; | |
488 | } | |
489 | static inline acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, | |
490 | acpi_notify_handler handler) | |
491 | { | |
492 | return AE_SUPPORT; | |
493 | } | |
86b3832c | 494 | static inline int __acpi_device_power_state(int m, int *p) |
296699de RW |
495 | { |
496 | if (p) | |
497 | *p = ACPI_STATE_D0; | |
ee85f543 | 498 | return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3) ? m : ACPI_STATE_D0; |
296699de | 499 | } |
86b3832c RW |
500 | static inline int acpi_device_power_state(struct device *dev, |
501 | struct acpi_device *adev, | |
502 | u32 target_state, int d_max_in, | |
503 | int *d_min_p) | |
504 | { | |
505 | return __acpi_device_power_state(d_max_in, d_min_p); | |
506 | } | |
507 | static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) | |
508 | { | |
509 | return __acpi_device_power_state(m, p); | |
510 | } | |
bc9b6407 RW |
511 | static inline void acpi_dev_pm_add_dependent(acpi_handle handle, |
512 | struct device *depdev) {} | |
513 | static inline void acpi_dev_pm_remove_dependent(acpi_handle handle, | |
514 | struct device *depdev) {} | |
761afb86 RW |
515 | #endif |
516 | ||
bdda27fb | 517 | #ifdef CONFIG_PM_RUNTIME |
dee8370c | 518 | int __acpi_device_run_wake(struct acpi_device *, bool); |
b24e5098 | 519 | int acpi_pm_device_run_wake(struct device *, bool); |
761afb86 | 520 | #else |
dee8370c RW |
521 | static inline int __acpi_device_run_wake(struct acpi_device *adev, bool en) |
522 | { | |
523 | return -ENODEV; | |
524 | } | |
b24e5098 LM |
525 | static inline int acpi_pm_device_run_wake(struct device *dev, bool enable) |
526 | { | |
527 | return -ENODEV; | |
528 | } | |
bdda27fb RW |
529 | #endif |
530 | ||
531 | #ifdef CONFIG_PM_SLEEP | |
dee8370c | 532 | int __acpi_device_sleep_wake(struct acpi_device *, u32, bool); |
bdda27fb RW |
533 | int acpi_pm_device_sleep_wake(struct device *, bool); |
534 | #else | |
dee8370c RW |
535 | static inline int __acpi_device_sleep_wake(struct acpi_device *adev, |
536 | u32 target_state, bool enable) | |
537 | { | |
538 | return -ENODEV; | |
539 | } | |
f7a1b860 DH |
540 | static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) |
541 | { | |
542 | return -ENODEV; | |
543 | } | |
761afb86 | 544 | #endif |
fd4aff1a | 545 | |
99926a8c DR |
546 | #ifdef CONFIG_ACPI_SLEEP |
547 | u32 acpi_target_system_state(void); | |
548 | #else | |
549 | static inline u32 acpi_target_system_state(void) { return ACPI_STATE_S0; } | |
550 | #endif | |
551 | ||
078eb126 RW |
552 | static inline bool acpi_device_power_manageable(struct acpi_device *adev) |
553 | { | |
554 | return adev->flags.power_manageable; | |
555 | } | |
556 | ||
557 | static inline bool acpi_device_can_wakeup(struct acpi_device *adev) | |
558 | { | |
559 | return adev->wakeup.flags.valid; | |
560 | } | |
561 | ||
1399dfcd AL |
562 | static inline bool acpi_device_can_poweroff(struct acpi_device *adev) |
563 | { | |
564 | return adev->power.states[ACPI_STATE_D3_COLD].flags.os_accessible; | |
565 | } | |
566 | ||
66886d6f MG |
567 | #else /* CONFIG_ACPI */ |
568 | ||
7ae30986 LB |
569 | static inline int register_acpi_bus_type(void *bus) { return 0; } |
570 | static inline int unregister_acpi_bus_type(void *bus) { return 0; } | |
66886d6f | 571 | |
fd350943 | 572 | #endif /* CONFIG_ACPI */ |
1da177e4 LT |
573 | |
574 | #endif /*__ACPI_BUS_H__*/ |