Commit | Line | Data |
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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 | * | |
1da177e4 LT |
19 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
20 | */ | |
21 | ||
22 | #ifndef __ACPI_BUS_H__ | |
23 | #define __ACPI_BUS_H__ | |
24 | ||
5b327265 | 25 | #include <linux/device.h> |
8a0662d9 | 26 | #include <linux/property.h> |
1da177e4 | 27 | |
1da177e4 LT |
28 | /* TBD: Make dynamic */ |
29 | #define ACPI_MAX_HANDLES 10 | |
30 | struct acpi_handle_list { | |
4be44fcd LB |
31 | u32 count; |
32 | acpi_handle handles[ACPI_MAX_HANDLES]; | |
1da177e4 LT |
33 | }; |
34 | ||
1da177e4 LT |
35 | /* acpi_utils.h */ |
36 | acpi_status | |
4be44fcd LB |
37 | acpi_extract_package(union acpi_object *package, |
38 | struct acpi_buffer *format, struct acpi_buffer *buffer); | |
1da177e4 | 39 | acpi_status |
4be44fcd LB |
40 | acpi_evaluate_integer(acpi_handle handle, |
41 | acpi_string pathname, | |
27663c58 | 42 | struct acpi_object_list *arguments, unsigned long long *data); |
1da177e4 | 43 | acpi_status |
4be44fcd LB |
44 | acpi_evaluate_reference(acpi_handle handle, |
45 | acpi_string pathname, | |
46 | struct acpi_object_list *arguments, | |
47 | struct acpi_handle_list *list); | |
275c58d7 | 48 | acpi_status |
05730c19 JL |
49 | acpi_evaluate_ost(acpi_handle handle, u32 source_event, u32 status_code, |
50 | struct acpi_buffer *status_buf); | |
1da177e4 | 51 | |
38ac0f1b | 52 | acpi_status |
8ede06ab | 53 | acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld); |
952c63e9 JL |
54 | |
55 | bool acpi_has_method(acpi_handle handle, char *name); | |
0db98202 JL |
56 | acpi_status acpi_execute_simple_method(acpi_handle handle, char *method, |
57 | u64 arg); | |
7d2421f8 JL |
58 | acpi_status acpi_evaluate_ej0(acpi_handle handle); |
59 | acpi_status acpi_evaluate_lck(acpi_handle handle, int lock); | |
ebf4df8d JL |
60 | bool acpi_ata_match(acpi_handle handle); |
61 | bool acpi_bay_match(acpi_handle handle); | |
62 | bool acpi_dock_match(acpi_handle handle); | |
952c63e9 | 63 | |
c7e16e52 | 64 | bool acpi_check_dsm(acpi_handle handle, const u8 *uuid, u64 rev, u64 funcs); |
a65ac520 | 65 | union acpi_object *acpi_evaluate_dsm(acpi_handle handle, const u8 *uuid, |
c7e16e52 | 66 | u64 rev, u64 func, union acpi_object *argv4); |
a65ac520 JL |
67 | |
68 | static inline union acpi_object * | |
c7e16e52 | 69 | acpi_evaluate_dsm_typed(acpi_handle handle, const u8 *uuid, u64 rev, u64 func, |
a65ac520 JL |
70 | union acpi_object *argv4, acpi_object_type type) |
71 | { | |
72 | union acpi_object *obj; | |
73 | ||
74 | obj = acpi_evaluate_dsm(handle, uuid, rev, func, argv4); | |
75 | if (obj && obj->type != type) { | |
76 | ACPI_FREE(obj); | |
77 | obj = NULL; | |
78 | } | |
79 | ||
80 | return obj; | |
81 | } | |
82 | ||
83 | #define ACPI_INIT_DSM_ARGV4(cnt, eles) \ | |
84 | { \ | |
85 | .package.type = ACPI_TYPE_PACKAGE, \ | |
86 | .package.count = (cnt), \ | |
87 | .package.elements = (eles) \ | |
88 | } | |
89 | ||
c68ae33e | 90 | bool acpi_dev_found(const char *hid); |
2d12b6b3 | 91 | |
76f58584 | 92 | #ifdef CONFIG_ACPI |
1da177e4 LT |
93 | |
94 | #include <linux/proc_fs.h> | |
95 | ||
96 | #define ACPI_BUS_FILE_ROOT "acpi" | |
4be44fcd | 97 | extern struct proc_dir_entry *acpi_root_dir; |
1da177e4 | 98 | |
1da177e4 | 99 | enum acpi_bus_device_type { |
4be44fcd | 100 | ACPI_BUS_TYPE_DEVICE = 0, |
1da177e4 LT |
101 | ACPI_BUS_TYPE_POWER, |
102 | ACPI_BUS_TYPE_PROCESSOR, | |
103 | ACPI_BUS_TYPE_THERMAL, | |
1da177e4 LT |
104 | ACPI_BUS_TYPE_POWER_BUTTON, |
105 | ACPI_BUS_TYPE_SLEEP_BUTTON, | |
106 | ACPI_BUS_DEVICE_TYPE_COUNT | |
107 | }; | |
108 | ||
109 | struct acpi_driver; | |
110 | struct acpi_device; | |
111 | ||
ca589f94 RW |
112 | /* |
113 | * ACPI Scan Handler | |
114 | * ----------------- | |
115 | */ | |
116 | ||
a33ec399 | 117 | struct acpi_hotplug_profile { |
3f8055c3 | 118 | struct kobject kobj; |
3338db00 | 119 | int (*scan_dependent)(struct acpi_device *adev); |
8ab17fc9 | 120 | void (*notify_online)(struct acpi_device *adev); |
d22ddcbc RW |
121 | bool enabled:1; |
122 | bool demand_offline:1; | |
a33ec399 RW |
123 | }; |
124 | ||
3f8055c3 RW |
125 | static inline struct acpi_hotplug_profile *to_acpi_hotplug_profile( |
126 | struct kobject *kobj) | |
127 | { | |
128 | return container_of(kobj, struct acpi_hotplug_profile, kobj); | |
129 | } | |
130 | ||
ca589f94 RW |
131 | struct acpi_scan_handler { |
132 | const struct acpi_device_id *ids; | |
133 | struct list_head list_node; | |
636c19d3 | 134 | bool (*match)(const char *idstr, const struct acpi_device_id **matchid); |
ca589f94 RW |
135 | int (*attach)(struct acpi_device *dev, const struct acpi_device_id *id); |
136 | void (*detach)(struct acpi_device *dev); | |
9cb32acf RW |
137 | void (*bind)(struct device *phys_dev); |
138 | void (*unbind)(struct device *phys_dev); | |
a33ec399 | 139 | struct acpi_hotplug_profile hotplug; |
ca589f94 RW |
140 | }; |
141 | ||
3c2cc7ff RW |
142 | /* |
143 | * ACPI Hotplug Context | |
144 | * -------------------- | |
145 | */ | |
146 | ||
147 | struct acpi_hotplug_context { | |
148 | struct acpi_device *self; | |
be27b3dc RW |
149 | int (*notify)(struct acpi_device *, u32); |
150 | void (*uevent)(struct acpi_device *, u32); | |
59b42fa0 | 151 | void (*fixup)(struct acpi_device *); |
3c2cc7ff RW |
152 | }; |
153 | ||
1da177e4 LT |
154 | /* |
155 | * ACPI Driver | |
156 | * ----------- | |
157 | */ | |
158 | ||
4be44fcd | 159 | typedef int (*acpi_op_add) (struct acpi_device * device); |
51fac838 | 160 | typedef int (*acpi_op_remove) (struct acpi_device * device); |
46ec8598 | 161 | typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event); |
1da177e4 LT |
162 | |
163 | struct acpi_device_ops { | |
4be44fcd LB |
164 | acpi_op_add add; |
165 | acpi_op_remove remove; | |
46ec8598 | 166 | acpi_op_notify notify; |
1da177e4 LT |
167 | }; |
168 | ||
6d278131 BH |
169 | #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */ |
170 | ||
1da177e4 | 171 | struct acpi_driver { |
4be44fcd LB |
172 | char name[80]; |
173 | char class[80]; | |
8c8eb78f | 174 | const struct acpi_device_id *ids; /* Supported Hardware IDs */ |
6d278131 | 175 | unsigned int flags; |
4be44fcd | 176 | struct acpi_device_ops ops; |
d43ec68e | 177 | struct device_driver drv; |
1890a97a | 178 | struct module *owner; |
1da177e4 LT |
179 | }; |
180 | ||
181 | /* | |
182 | * ACPI Device | |
183 | * ----------- | |
184 | */ | |
185 | ||
186 | /* Status (_STA) */ | |
187 | ||
188 | struct acpi_device_status { | |
4be44fcd LB |
189 | u32 present:1; |
190 | u32 enabled:1; | |
191 | u32 show_in_ui:1; | |
192 | u32 functional:1; | |
193 | u32 battery_present:1; | |
194 | u32 reserved:27; | |
1da177e4 LT |
195 | }; |
196 | ||
1da177e4 LT |
197 | /* Flags */ |
198 | ||
199 | struct acpi_device_flags { | |
4be44fcd | 200 | u32 dynamic_status:1; |
4be44fcd LB |
201 | u32 removable:1; |
202 | u32 ejectable:1; | |
4be44fcd | 203 | u32 power_manageable:1; |
209d3b17 | 204 | u32 match_driver:1; |
202317a5 RW |
205 | u32 initialized:1; |
206 | u32 visited:1; | |
3c2cc7ff | 207 | u32 hotplug_notify:1; |
1e2380cd | 208 | u32 is_dock_station:1; |
5c53b262 | 209 | u32 of_compatible_ok:1; |
d0562674 SS |
210 | u32 coherent_dma:1; |
211 | u32 cca_seen:1; | |
212 | u32 reserved:20; | |
1da177e4 LT |
213 | }; |
214 | ||
1da177e4 LT |
215 | /* File System */ |
216 | ||
217 | struct acpi_device_dir { | |
4be44fcd | 218 | struct proc_dir_entry *entry; |
1da177e4 LT |
219 | }; |
220 | ||
221 | #define acpi_device_dir(d) ((d)->dir.entry) | |
222 | ||
1da177e4 LT |
223 | /* Plug and Play */ |
224 | ||
24c5c4c2 | 225 | typedef char acpi_bus_id[8]; |
4be44fcd | 226 | typedef unsigned long acpi_bus_address; |
4be44fcd LB |
227 | typedef char acpi_device_name[40]; |
228 | typedef char acpi_device_class[20]; | |
1da177e4 | 229 | |
7f47fa6c BH |
230 | struct acpi_hardware_id { |
231 | struct list_head list; | |
844142c3 | 232 | const char *id; |
7f47fa6c BH |
233 | }; |
234 | ||
d4e1a692 TK |
235 | struct acpi_pnp_type { |
236 | u32 hardware_id:1; | |
237 | u32 bus_address:1; | |
549e6845 RW |
238 | u32 platform_id:1; |
239 | u32 reserved:29; | |
d4e1a692 TK |
240 | }; |
241 | ||
1da177e4 | 242 | struct acpi_device_pnp { |
d4e1a692 TK |
243 | acpi_bus_id bus_id; /* Object name */ |
244 | struct acpi_pnp_type type; /* ID type */ | |
4be44fcd | 245 | acpi_bus_address bus_address; /* _ADR */ |
d4e1a692 | 246 | char *unique_id; /* _UID */ |
7f47fa6c | 247 | struct list_head ids; /* _HID and _CIDs */ |
4be44fcd LB |
248 | acpi_device_name device_name; /* Driver-determined */ |
249 | acpi_device_class device_class; /* " */ | |
d1efe3c3 | 250 | union acpi_object *str_obj; /* unicode string for _STR method */ |
1da177e4 LT |
251 | }; |
252 | ||
253 | #define acpi_device_bid(d) ((d)->pnp.bus_id) | |
254 | #define acpi_device_adr(d) ((d)->pnp.bus_address) | |
620e112c | 255 | const char *acpi_device_hid(struct acpi_device *device); |
359597cb | 256 | #define acpi_device_uid(d) ((d)->pnp.unique_id) |
1da177e4 LT |
257 | #define acpi_device_name(d) ((d)->pnp.device_name) |
258 | #define acpi_device_class(d) ((d)->pnp.device_class) | |
259 | ||
1da177e4 LT |
260 | /* Power Management */ |
261 | ||
262 | struct acpi_device_power_flags { | |
4be44fcd LB |
263 | u32 explicit_get:1; /* _PSC present? */ |
264 | u32 power_resources:1; /* Power resources */ | |
265 | u32 inrush_current:1; /* Serialize Dx->D0 */ | |
266 | u32 power_removed:1; /* Optimize Dx->D0 */ | |
644f17ad | 267 | u32 ignore_parent:1; /* Power is independent of parent power state */ |
f25c0ae2 RW |
268 | u32 dsw_present:1; /* _DSW present? */ |
269 | u32 reserved:26; | |
1da177e4 LT |
270 | }; |
271 | ||
272 | struct acpi_device_power_state { | |
273 | struct { | |
4be44fcd LB |
274 | u8 valid:1; |
275 | u8 explicit_set:1; /* _PSx present? */ | |
276 | u8 reserved:6; | |
277 | } flags; | |
278 | int power; /* % Power (compared to D0) */ | |
279 | int latency; /* Dx->D0 time (microseconds) */ | |
0b224527 | 280 | struct list_head resources; /* Power resources referenced */ |
1da177e4 LT |
281 | }; |
282 | ||
283 | struct acpi_device_power { | |
4be44fcd | 284 | int state; /* Current state */ |
1da177e4 | 285 | struct acpi_device_power_flags flags; |
b4a03b9a | 286 | struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */ |
1da177e4 LT |
287 | }; |
288 | ||
1da177e4 LT |
289 | /* Performance Management */ |
290 | ||
291 | struct acpi_device_perf_flags { | |
4be44fcd | 292 | u8 reserved:8; |
1da177e4 LT |
293 | }; |
294 | ||
295 | struct acpi_device_perf_state { | |
296 | struct { | |
4be44fcd LB |
297 | u8 valid:1; |
298 | u8 reserved:7; | |
299 | } flags; | |
300 | u8 power; /* % Power (compared to P0) */ | |
301 | u8 performance; /* % Performance ( " ) */ | |
302 | int latency; /* Px->P0 time (microseconds) */ | |
1da177e4 LT |
303 | }; |
304 | ||
305 | struct acpi_device_perf { | |
4be44fcd | 306 | int state; |
1da177e4 | 307 | struct acpi_device_perf_flags flags; |
4be44fcd | 308 | int state_count; |
1da177e4 LT |
309 | struct acpi_device_perf_state *states; |
310 | }; | |
311 | ||
312 | /* Wakeup Management */ | |
313 | struct acpi_device_wakeup_flags { | |
4be44fcd LB |
314 | u8 valid:1; /* Can successfully enable wakeup? */ |
315 | u8 run_wake:1; /* Run-Wake GPE devices */ | |
b67ea761 | 316 | u8 notifier_present:1; /* Wake-up notify handler has been installed */ |
175f8e26 | 317 | u8 enabled:1; /* Enabled for wakeup */ |
1da177e4 LT |
318 | }; |
319 | ||
c072530f RW |
320 | struct acpi_device_wakeup_context { |
321 | struct work_struct work; | |
322 | struct device *dev; | |
323 | }; | |
324 | ||
1da177e4 | 325 | struct acpi_device_wakeup { |
4be44fcd | 326 | acpi_handle gpe_device; |
439913ff LM |
327 | u64 gpe_number; |
328 | u64 sleep_state; | |
993cbe59 | 329 | struct list_head resources; |
4be44fcd | 330 | struct acpi_device_wakeup_flags flags; |
c072530f RW |
331 | struct acpi_device_wakeup_context context; |
332 | struct wakeup_source *ws; | |
9b83ccd2 | 333 | int prepare_count; |
1da177e4 LT |
334 | }; |
335 | ||
1033f904 | 336 | struct acpi_device_physical_node { |
007ccfcf | 337 | unsigned int node_id; |
1033f904 LT |
338 | struct list_head node; |
339 | struct device *dev; | |
683058e3 | 340 | bool put_online:1; |
1033f904 | 341 | }; |
1da177e4 | 342 | |
ffdcd955 MW |
343 | /* ACPI Device Specific Data (_DSD) */ |
344 | struct acpi_device_data { | |
345 | const union acpi_object *pointer; | |
346 | const union acpi_object *properties; | |
733e6251 | 347 | const union acpi_object *of_compatible; |
445b0eb0 | 348 | struct list_head subnodes; |
ffdcd955 MW |
349 | }; |
350 | ||
f028d524 RW |
351 | struct acpi_gpio_mapping; |
352 | ||
1033f904 | 353 | /* Device */ |
1da177e4 | 354 | struct acpi_device { |
caaa6efb BH |
355 | int device_type; |
356 | acpi_handle handle; /* no handle for fixed hardware */ | |
8a0662d9 | 357 | struct fwnode_handle fwnode; |
4be44fcd LB |
358 | struct acpi_device *parent; |
359 | struct list_head children; | |
360 | struct list_head node; | |
361 | struct list_head wakeup_list; | |
d783156e | 362 | struct list_head del_list; |
1da177e4 LT |
363 | struct acpi_device_status status; |
364 | struct acpi_device_flags flags; | |
4be44fcd | 365 | struct acpi_device_pnp pnp; |
1da177e4 LT |
366 | struct acpi_device_power power; |
367 | struct acpi_device_wakeup wakeup; | |
4be44fcd LB |
368 | struct acpi_device_perf performance; |
369 | struct acpi_device_dir dir; | |
ffdcd955 | 370 | struct acpi_device_data data; |
ca589f94 | 371 | struct acpi_scan_handler *handler; |
3c2cc7ff | 372 | struct acpi_hotplug_context *hp; |
4be44fcd | 373 | struct acpi_driver *driver; |
f028d524 | 374 | const struct acpi_gpio_mapping *driver_gpios; |
4be44fcd | 375 | void *driver_data; |
5b327265 | 376 | struct device dev; |
007ccfcf | 377 | unsigned int physical_node_count; |
40e7fcb1 | 378 | unsigned int dep_unmet; |
1033f904 LT |
379 | struct list_head physical_node_list; |
380 | struct mutex physical_node_lock; | |
b1c0f99b | 381 | void (*remove)(struct acpi_device *); |
1da177e4 LT |
382 | }; |
383 | ||
445b0eb0 RW |
384 | /* Non-device subnode */ |
385 | struct acpi_data_node { | |
386 | const char *name; | |
263b4c1a | 387 | acpi_handle handle; |
445b0eb0 RW |
388 | struct fwnode_handle fwnode; |
389 | struct acpi_device_data data; | |
390 | struct list_head sibling; | |
263b4c1a RW |
391 | struct kobject kobj; |
392 | struct completion kobj_done; | |
445b0eb0 RW |
393 | }; |
394 | ||
8a0662d9 | 395 | static inline bool is_acpi_node(struct fwnode_handle *fwnode) |
3a7a2ab8 | 396 | { |
0224a4a3 | 397 | return !IS_ERR_OR_NULL(fwnode) && (fwnode->type == FWNODE_ACPI |
3a7a2ab8 RW |
398 | || fwnode->type == FWNODE_ACPI_DATA); |
399 | } | |
400 | ||
401 | static inline bool is_acpi_device_node(struct fwnode_handle *fwnode) | |
8a0662d9 | 402 | { |
0224a4a3 | 403 | return !IS_ERR_OR_NULL(fwnode) && fwnode->type == FWNODE_ACPI; |
8a0662d9 RW |
404 | } |
405 | ||
3a7a2ab8 | 406 | static inline struct acpi_device *to_acpi_device_node(struct fwnode_handle *fwnode) |
8a0662d9 | 407 | { |
3a7a2ab8 | 408 | return is_acpi_device_node(fwnode) ? |
ce793486 | 409 | container_of(fwnode, struct acpi_device, fwnode) : NULL; |
8a0662d9 RW |
410 | } |
411 | ||
3a7a2ab8 RW |
412 | static inline bool is_acpi_data_node(struct fwnode_handle *fwnode) |
413 | { | |
414 | return fwnode && fwnode->type == FWNODE_ACPI_DATA; | |
415 | } | |
416 | ||
417 | static inline struct acpi_data_node *to_acpi_data_node(struct fwnode_handle *fwnode) | |
418 | { | |
419 | return is_acpi_data_node(fwnode) ? | |
420 | container_of(fwnode, struct acpi_data_node, fwnode) : NULL; | |
421 | } | |
422 | ||
613e9721 AT |
423 | static inline bool acpi_data_node_match(struct fwnode_handle *fwnode, |
424 | const char *name) | |
425 | { | |
426 | return is_acpi_data_node(fwnode) ? | |
427 | (!strcmp(to_acpi_data_node(fwnode)->name, name)) : false; | |
428 | } | |
429 | ||
8a0662d9 RW |
430 | static inline struct fwnode_handle *acpi_fwnode_handle(struct acpi_device *adev) |
431 | { | |
432 | return &adev->fwnode; | |
433 | } | |
434 | ||
db89b4f0 PM |
435 | static inline void *acpi_driver_data(struct acpi_device *d) |
436 | { | |
437 | return d->driver_data; | |
438 | } | |
439 | ||
d43ec68e PM |
440 | #define to_acpi_device(d) container_of(d, struct acpi_device, dev) |
441 | #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) | |
1da177e4 | 442 | |
25db115b RW |
443 | static inline void acpi_set_device_status(struct acpi_device *adev, u32 sta) |
444 | { | |
445 | *((u32 *)&adev->status) = sta; | |
446 | } | |
447 | ||
3c2cc7ff | 448 | static inline void acpi_set_hp_context(struct acpi_device *adev, |
ba574dc8 | 449 | struct acpi_hotplug_context *hp) |
3c2cc7ff RW |
450 | { |
451 | hp->self = adev; | |
3c2cc7ff RW |
452 | adev->hp = hp; |
453 | } | |
454 | ||
5d513205 RW |
455 | void acpi_initialize_hp_context(struct acpi_device *adev, |
456 | struct acpi_hotplug_context *hp, | |
457 | int (*notify)(struct acpi_device *, u32), | |
458 | void (*uevent)(struct acpi_device *, u32)); | |
459 | ||
55955aad DB |
460 | /* acpi_device.dev.bus == &acpi_bus_type */ |
461 | extern struct bus_type acpi_bus_type; | |
462 | ||
1da177e4 LT |
463 | /* |
464 | * Events | |
465 | * ------ | |
466 | */ | |
467 | ||
468 | struct acpi_bus_event { | |
4be44fcd LB |
469 | struct list_head node; |
470 | acpi_device_class device_class; | |
471 | acpi_bus_id bus_id; | |
472 | u32 type; | |
473 | u32 data; | |
1da177e4 LT |
474 | }; |
475 | ||
99e0d2fc | 476 | extern struct kobject *acpi_kobj; |
962ce8ca | 477 | extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); |
8e4319c4 | 478 | void acpi_bus_private_data_handler(acpi_handle, void *); |
20733939 | 479 | int acpi_bus_get_private_data(acpi_handle, void **); |
72013795 LT |
480 | int acpi_bus_attach_private_data(acpi_handle, void *); |
481 | void acpi_bus_detach_private_data(acpi_handle); | |
9ee85241 ZR |
482 | extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); |
483 | extern int register_acpi_notifier(struct notifier_block *); | |
484 | extern int unregister_acpi_notifier(struct notifier_block *); | |
6bd00a61 | 485 | |
1da177e4 LT |
486 | /* |
487 | * External Functions | |
488 | */ | |
489 | ||
490 | int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); | |
78ea4639 RW |
491 | struct acpi_device *acpi_bus_get_acpi_device(acpi_handle handle); |
492 | void acpi_bus_put_acpi_device(struct acpi_device *adev); | |
402ac536 BH |
493 | acpi_status acpi_bus_get_status_handle(acpi_handle handle, |
494 | unsigned long long *sta); | |
4be44fcd | 495 | int acpi_bus_get_status(struct acpi_device *device); |
9ce4e607 | 496 | |
4be44fcd | 497 | int acpi_bus_set_power(acpi_handle handle, int state); |
96bfd3ce | 498 | const char *acpi_power_state_string(int state); |
ad0c3b0e | 499 | int acpi_device_get_power(struct acpi_device *device, int *state); |
078eb126 | 500 | int acpi_device_set_power(struct acpi_device *device, int state); |
9ce4e607 | 501 | int acpi_bus_init_power(struct acpi_device *device); |
b9e95fc6 | 502 | int acpi_device_fix_up_power(struct acpi_device *device); |
25eed407 | 503 | int acpi_bus_update_power(acpi_handle handle, int *state_p); |
2bb3a2bf | 504 | int acpi_device_update_power(struct acpi_device *device, int *state_p); |
3737b2b1 | 505 | bool acpi_bus_power_manageable(acpi_handle handle); |
ec4602a9 RW |
506 | |
507 | #ifdef CONFIG_PM | |
eb9d0fe4 | 508 | bool acpi_bus_can_wakeup(acpi_handle handle); |
ec4602a9 RW |
509 | #else |
510 | static inline bool acpi_bus_can_wakeup(acpi_handle handle) { return false; } | |
511 | #endif | |
9ce4e607 | 512 | |
3757b948 RW |
513 | void acpi_scan_lock_acquire(void); |
514 | void acpi_scan_lock_release(void); | |
e525506f RW |
515 | void acpi_lock_hp_context(void); |
516 | void acpi_unlock_hp_context(void); | |
ca589f94 | 517 | int acpi_scan_add_handler(struct acpi_scan_handler *handler); |
4be44fcd | 518 | int acpi_bus_register_driver(struct acpi_driver *driver); |
06ea8e08 | 519 | void acpi_bus_unregister_driver(struct acpi_driver *driver); |
b8bd759a | 520 | int acpi_bus_scan(acpi_handle handle); |
bfee26db | 521 | void acpi_bus_trim(struct acpi_device *start); |
fd350943 | 522 | acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); |
8c8eb78f TR |
523 | int acpi_match_device_ids(struct acpi_device *device, |
524 | const struct acpi_device_id *ids); | |
51ede5d9 DD |
525 | void acpi_set_modalias(struct acpi_device *adev, const char *default_id, |
526 | char *modalias, size_t len); | |
1da177e4 LT |
527 | int acpi_create_dir(struct acpi_device *); |
528 | void acpi_remove_dir(struct acpi_device *); | |
529 | ||
202317a5 RW |
530 | static inline bool acpi_device_enumerated(struct acpi_device *adev) |
531 | { | |
532 | return adev && adev->flags.initialized && adev->flags.visited; | |
533 | } | |
534 | ||
0d2cf8f5 MW |
535 | /** |
536 | * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver | |
537 | * @__acpi_driver: acpi_driver struct | |
538 | * | |
539 | * Helper macro for ACPI drivers which do not do anything special in module | |
540 | * init/exit. This eliminates a lot of boilerplate. Each module may only | |
541 | * use this macro once, and calling it replaces module_init() and module_exit() | |
542 | */ | |
543 | #define module_acpi_driver(__acpi_driver) \ | |
544 | module_driver(__acpi_driver, acpi_bus_register_driver, \ | |
545 | acpi_bus_unregister_driver) | |
546 | ||
4e10d12a DSL |
547 | /* |
548 | * Bind physical devices with ACPI devices | |
549 | */ | |
4e10d12a | 550 | struct acpi_bus_type { |
4be44fcd | 551 | struct list_head list; |
53540098 RW |
552 | const char *name; |
553 | bool (*match)(struct device *dev); | |
e3f02c52 | 554 | struct acpi_device * (*find_companion)(struct device *); |
11909ca1 RW |
555 | void (*setup)(struct device *); |
556 | void (*cleanup)(struct device *); | |
4e10d12a DSL |
557 | }; |
558 | int register_acpi_bus_type(struct acpi_bus_type *); | |
559 | int unregister_acpi_bus_type(struct acpi_bus_type *); | |
f1b1dc84 ZR |
560 | int acpi_bind_one(struct device *dev, struct acpi_device *adev); |
561 | int acpi_unbind_one(struct device *dev); | |
22c13f9d | 562 | |
76d56de5 | 563 | struct acpi_pci_root { |
76d56de5 | 564 | struct acpi_device * device; |
76d56de5 AC |
565 | struct pci_bus *bus; |
566 | u16 segment; | |
6ad95513 | 567 | struct resource secondary; /* downstream bus range */ |
76d56de5 AC |
568 | |
569 | u32 osc_support_set; /* _OSC state of support bits */ | |
570 | u32 osc_control_set; /* _OSC state of control bits */ | |
f4b57a3b | 571 | phys_addr_t mcfg_addr; |
76d56de5 AC |
572 | }; |
573 | ||
4e10d12a | 574 | /* helper */ |
d9fef0c4 | 575 | |
b84f196d SS |
576 | bool acpi_dma_supported(struct acpi_device *adev); |
577 | enum dev_dma_attr acpi_get_dma_attr(struct acpi_device *adev); | |
d760a1ba LP |
578 | void acpi_dma_configure(struct device *dev, enum dev_dma_attr attr); |
579 | void acpi_dma_deconfigure(struct device *dev); | |
b84f196d | 580 | |
d9fef0c4 RW |
581 | struct acpi_device *acpi_find_child_device(struct acpi_device *parent, |
582 | u64 address, bool check_children); | |
27558203 | 583 | int acpi_is_root_bridge(acpi_handle); |
76d56de5 | 584 | struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); |
4e10d12a | 585 | |
b67ea761 RW |
586 | int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); |
587 | int acpi_disable_wakeup_device_power(struct acpi_device *dev); | |
588 | ||
aa338601 | 589 | #ifdef CONFIG_PM |
c072530f RW |
590 | acpi_status acpi_add_pm_notifier(struct acpi_device *adev, struct device *dev, |
591 | void (*work_func)(struct work_struct *work)); | |
592 | acpi_status acpi_remove_pm_notifier(struct acpi_device *adev); | |
ee85f543 | 593 | int acpi_pm_device_sleep_state(struct device *, int *, int); |
5de21bb9 | 594 | int acpi_pm_device_run_wake(struct device *, bool); |
761afb86 | 595 | #else |
ec2cd81c | 596 | static inline acpi_status acpi_add_pm_notifier(struct acpi_device *adev, |
c072530f RW |
597 | struct device *dev, |
598 | void (*work_func)(struct work_struct *work)) | |
ec2cd81c RW |
599 | { |
600 | return AE_SUPPORT; | |
601 | } | |
c072530f | 602 | static inline acpi_status acpi_remove_pm_notifier(struct acpi_device *adev) |
ec2cd81c RW |
603 | { |
604 | return AE_SUPPORT; | |
605 | } | |
b25c77ef | 606 | static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) |
296699de RW |
607 | { |
608 | if (p) | |
609 | *p = ACPI_STATE_D0; | |
b25c77ef | 610 | |
8ad928d5 RW |
611 | return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3_COLD) ? |
612 | m : ACPI_STATE_D0; | |
296699de | 613 | } |
b24e5098 LM |
614 | static inline int acpi_pm_device_run_wake(struct device *dev, bool enable) |
615 | { | |
616 | return -ENODEV; | |
617 | } | |
bdda27fb RW |
618 | #endif |
619 | ||
620 | #ifdef CONFIG_PM_SLEEP | |
621 | int acpi_pm_device_sleep_wake(struct device *, bool); | |
622 | #else | |
f7a1b860 DH |
623 | static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) |
624 | { | |
625 | return -ENODEV; | |
626 | } | |
761afb86 | 627 | #endif |
fd4aff1a | 628 | |
99926a8c DR |
629 | #ifdef CONFIG_ACPI_SLEEP |
630 | u32 acpi_target_system_state(void); | |
631 | #else | |
632 | static inline u32 acpi_target_system_state(void) { return ACPI_STATE_S0; } | |
633 | #endif | |
634 | ||
078eb126 RW |
635 | static inline bool acpi_device_power_manageable(struct acpi_device *adev) |
636 | { | |
637 | return adev->flags.power_manageable; | |
638 | } | |
639 | ||
640 | static inline bool acpi_device_can_wakeup(struct acpi_device *adev) | |
641 | { | |
642 | return adev->wakeup.flags.valid; | |
643 | } | |
644 | ||
1399dfcd AL |
645 | static inline bool acpi_device_can_poweroff(struct acpi_device *adev) |
646 | { | |
cd7f84c0 KX |
647 | return adev->power.states[ACPI_STATE_D3_COLD].flags.valid || |
648 | ((acpi_gbl_FADT.header.revision < 6) && | |
649 | adev->power.states[ACPI_STATE_D3_HOT].flags.explicit_set); | |
1399dfcd AL |
650 | } |
651 | ||
66886d6f MG |
652 | #else /* CONFIG_ACPI */ |
653 | ||
7ae30986 LB |
654 | static inline int register_acpi_bus_type(void *bus) { return 0; } |
655 | static inline int unregister_acpi_bus_type(void *bus) { return 0; } | |
66886d6f | 656 | |
fd350943 | 657 | #endif /* CONFIG_ACPI */ |
1da177e4 LT |
658 | |
659 | #endif /*__ACPI_BUS_H__*/ |