xref: /linux/include/acpi/acpixf.h (revision c4ee0af3fa0dc65f690fc908f02b8355f9576ea0)
1 /******************************************************************************
2  *
3  * Name: acpixf.h - External interfaces to the ACPI subsystem
4  *
5  *****************************************************************************/
6 
7 /*
8  * Copyright (C) 2000 - 2013, Intel Corp.
9  * All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  *    notice, this list of conditions, and the following disclaimer,
16  *    without modification.
17  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
18  *    substantially similar to the "NO WARRANTY" disclaimer below
19  *    ("Disclaimer") and any redistribution must be conditioned upon
20  *    including a substantially similar Disclaimer requirement for further
21  *    binary redistribution.
22  * 3. Neither the names of the above-listed copyright holders nor the names
23  *    of any contributors may be used to endorse or promote products derived
24  *    from this software without specific prior written permission.
25  *
26  * Alternatively, this software may be distributed under the terms of the
27  * GNU General Public License ("GPL") version 2 as published by the Free
28  * Software Foundation.
29  *
30  * NO WARRANTY
31  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
32  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
33  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
34  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
35  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
36  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
37  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
38  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
40  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
41  * POSSIBILITY OF SUCH DAMAGES.
42  */
43 
44 #ifndef __ACXFACE_H__
45 #define __ACXFACE_H__
46 
47 /* Current ACPICA subsystem version in YYYYMMDD format */
48 
49 #define ACPI_CA_VERSION                 0x20131115
50 
51 #include <acpi/acconfig.h>
52 #include <acpi/actypes.h>
53 #include <acpi/actbl.h>
54 #include <acpi/acbuffer.h>
55 
56 extern u8 acpi_gbl_permanent_mmap;
57 extern u32 acpi_rsdt_forced;
58 
59 /*
60  * Globals that are publically available
61  */
62 extern u32 acpi_current_gpe_count;
63 extern struct acpi_table_fadt acpi_gbl_FADT;
64 extern u8 acpi_gbl_system_awake_and_running;
65 extern u8 acpi_gbl_reduced_hardware;	/* ACPI 5.0 */
66 extern u8 acpi_gbl_osi_data;
67 
68 /* Runtime configuration of debug print levels */
69 
70 extern u32 acpi_dbg_level;
71 extern u32 acpi_dbg_layer;
72 
73 /* ACPICA runtime options */
74 
75 extern u8 acpi_gbl_enable_interpreter_slack;
76 extern u8 acpi_gbl_all_methods_serialized;
77 extern u8 acpi_gbl_create_osi_method;
78 extern u8 acpi_gbl_use_default_register_widths;
79 extern acpi_name acpi_gbl_trace_method_name;
80 extern u32 acpi_gbl_trace_flags;
81 extern bool acpi_gbl_enable_aml_debug_object;
82 extern u8 acpi_gbl_copy_dsdt_locally;
83 extern u8 acpi_gbl_truncate_io_addresses;
84 extern u8 acpi_gbl_disable_auto_repair;
85 extern u8 acpi_gbl_disable_ssdt_table_load;
86 
87 /*
88  * Hardware-reduced prototypes. All interfaces that use these macros will
89  * be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
90  * is set to TRUE.
91  */
92 #if (!ACPI_REDUCED_HARDWARE)
93 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
94 	prototype;
95 
96 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
97 	prototype;
98 
99 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
100 	prototype;
101 
102 #else
103 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
104 	static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
105 
106 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
107 	static ACPI_INLINE prototype {return(AE_OK);}
108 
109 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
110 	static ACPI_INLINE prototype {return;}
111 
112 #endif				/* !ACPI_REDUCED_HARDWARE */
113 
114 /*
115  * Initialization
116  */
117 acpi_status __init
118 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
119 		       u32 initial_table_count, u8 allow_resize);
120 
121 acpi_status __init acpi_initialize_subsystem(void);
122 
123 acpi_status __init acpi_enable_subsystem(u32 flags);
124 
125 acpi_status __init acpi_initialize_objects(u32 flags);
126 
127 acpi_status __init acpi_terminate(void);
128 
129 /*
130  * Miscellaneous global interfaces
131  */
132 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
133 
134 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
135 #ifdef ACPI_FUTURE_USAGE
136  acpi_status acpi_subsystem_status(void);
137 #endif
138 
139 #ifdef ACPI_FUTURE_USAGE
140 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
141 #endif
142 
143 acpi_status acpi_get_statistics(struct acpi_statistics *stats);
144 
145 const char *acpi_format_exception(acpi_status exception);
146 
147 acpi_status acpi_purge_cached_objects(void);
148 
149 acpi_status acpi_install_interface(acpi_string interface_name);
150 
151 acpi_status acpi_remove_interface(acpi_string interface_name);
152 
153 acpi_status acpi_update_interfaces(u8 action);
154 
155 u32
156 acpi_check_address_range(acpi_adr_space_type space_id,
157 			 acpi_physical_address address,
158 			 acpi_size length, u8 warn);
159 
160 acpi_status
161 acpi_decode_pld_buffer(u8 *in_buffer,
162 		       acpi_size length, struct acpi_pld_info **return_buffer);
163 
164 /*
165  * ACPI table load/unload interfaces
166  */
167 acpi_status acpi_load_table(struct acpi_table_header *table);
168 
169 acpi_status acpi_unload_parent_table(acpi_handle object);
170 
171 acpi_status __init acpi_load_tables(void);
172 
173 /*
174  * ACPI table manipulation interfaces
175  */
176 acpi_status __init acpi_reallocate_root_table(void);
177 
178 acpi_status __init acpi_find_root_pointer(acpi_size *rsdp_address);
179 
180 acpi_status acpi_unload_table_id(acpi_owner_id id);
181 
182 acpi_status
183 acpi_get_table_header(acpi_string signature,
184 		      u32 instance, struct acpi_table_header *out_table_header);
185 
186 acpi_status
187 acpi_get_table_with_size(acpi_string signature,
188 	       u32 instance, struct acpi_table_header **out_table,
189 	       acpi_size *tbl_size);
190 
191 acpi_status
192 acpi_get_table(acpi_string signature,
193 	       u32 instance, struct acpi_table_header **out_table);
194 
195 acpi_status
196 acpi_get_table_by_index(u32 table_index, struct acpi_table_header **out_table);
197 
198 acpi_status
199 acpi_install_table_handler(acpi_table_handler handler, void *context);
200 
201 acpi_status acpi_remove_table_handler(acpi_table_handler handler);
202 
203 /*
204  * Namespace and name interfaces
205  */
206 acpi_status
207 acpi_walk_namespace(acpi_object_type type,
208 		    acpi_handle start_object,
209 		    u32 max_depth,
210 		    acpi_walk_callback descending_callback,
211 		    acpi_walk_callback ascending_callback,
212 		    void *context, void **return_value);
213 
214 acpi_status
215 acpi_get_devices(const char *HID,
216 		 acpi_walk_callback user_function,
217 		 void *context, void **return_value);
218 
219 acpi_status
220 acpi_get_name(acpi_handle object,
221 	      u32 name_type, struct acpi_buffer *ret_path_ptr);
222 
223 acpi_status
224 acpi_get_handle(acpi_handle parent,
225 		acpi_string pathname, acpi_handle * ret_handle);
226 
227 acpi_status
228 acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
229 
230 acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
231 
232 acpi_status
233 acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
234 
235 acpi_status
236 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
237 
238 /*
239  * Object manipulation and enumeration
240  */
241 acpi_status
242 acpi_evaluate_object(acpi_handle object,
243 		     acpi_string pathname,
244 		     struct acpi_object_list *parameter_objects,
245 		     struct acpi_buffer *return_object_buffer);
246 
247 acpi_status
248 acpi_evaluate_object_typed(acpi_handle object,
249 			   acpi_string pathname,
250 			   struct acpi_object_list *external_params,
251 			   struct acpi_buffer *return_buffer,
252 			   acpi_object_type return_type);
253 
254 acpi_status
255 acpi_get_object_info(acpi_handle object,
256 		     struct acpi_device_info **return_buffer);
257 
258 acpi_status acpi_install_method(u8 *buffer);
259 
260 acpi_status
261 acpi_get_next_object(acpi_object_type type,
262 		     acpi_handle parent,
263 		     acpi_handle child, acpi_handle * out_handle);
264 
265 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
266 
267 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
268 
269 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
270 
271 /*
272  * Handler interfaces
273  */
274 acpi_status
275 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
276 
277 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
278 				acpi_install_sci_handler(acpi_sci_handler
279 							 address,
280 							 void *context))
281 
282 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
283 				 acpi_remove_sci_handler(acpi_sci_handler
284 							 address))
285 
286 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
287 				 acpi_install_global_event_handler
288 				 (acpi_gbl_event_handler handler,
289 				  void *context))
290 
291 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
292 				 acpi_install_fixed_event_handler(u32
293 								  acpi_event,
294 								  acpi_event_handler
295 								  handler,
296 								  void
297 								  *context))
298 
299 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
300 				 acpi_remove_fixed_event_handler(u32 acpi_event,
301 								 acpi_event_handler
302 								 handler))
303 
304 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
305 				 acpi_install_gpe_handler(acpi_handle
306 							  gpe_device,
307 							  u32 gpe_number,
308 							  u32 type,
309 							  acpi_gpe_handler
310 							  address,
311 							  void *context))
312 
313 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
314 				 acpi_remove_gpe_handler(acpi_handle gpe_device,
315 							 u32 gpe_number,
316 							 acpi_gpe_handler
317 							 address))
318 acpi_status acpi_install_notify_handler(acpi_handle device, u32 handler_type,
319 					acpi_notify_handler handler,
320 					void *context);
321 
322 acpi_status
323 acpi_remove_notify_handler(acpi_handle device,
324 			   u32 handler_type, acpi_notify_handler handler);
325 
326 acpi_status
327 acpi_install_address_space_handler(acpi_handle device,
328 				   acpi_adr_space_type space_id,
329 				   acpi_adr_space_handler handler,
330 				   acpi_adr_space_setup setup, void *context);
331 
332 acpi_status
333 acpi_remove_address_space_handler(acpi_handle device,
334 				  acpi_adr_space_type space_id,
335 				  acpi_adr_space_handler handler);
336 
337 #ifdef ACPI_FUTURE_USAGE
338 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
339 #endif
340 
341 acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
342 
343 /*
344  * Global Lock interfaces
345  */
346 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
347 				acpi_acquire_global_lock(u16 timeout,
348 							 u32 *handle))
349 
350 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
351 				acpi_release_global_lock(u32 handle))
352 
353 /*
354  * Interfaces to AML mutex objects
355  */
356 acpi_status
357 acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);
358 
359 acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);
360 
361 /*
362  * Fixed Event interfaces
363  */
364 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
365 				acpi_enable_event(u32 event, u32 flags))
366 
367 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
368 				acpi_disable_event(u32 event, u32 flags))
369 
370 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
371 
372 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
373 				acpi_get_event_status(u32 event,
374 						      acpi_event_status
375 						      *event_status))
376 
377 /*
378  * General Purpose Event (GPE) Interfaces
379  */
380 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
381 
382 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
383 				acpi_enable_gpe(acpi_handle gpe_device,
384 						u32 gpe_number))
385 
386 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
387 				acpi_disable_gpe(acpi_handle gpe_device,
388 						 u32 gpe_number))
389 
390 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
391 				acpi_clear_gpe(acpi_handle gpe_device,
392 					       u32 gpe_number))
393 
394 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
395 				acpi_set_gpe(acpi_handle gpe_device,
396 					     u32 gpe_number, u8 action))
397 
398 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
399 				acpi_finish_gpe(acpi_handle gpe_device,
400 						u32 gpe_number))
401 
402 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
403 				acpi_setup_gpe_for_wake(acpi_handle
404 							parent_device,
405 							acpi_handle gpe_device,
406 							u32 gpe_number))
407 
408 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
409 				 acpi_set_gpe_wake_mask(acpi_handle gpe_device,
410 							u32 gpe_number,
411 							u8 action))
412 
413 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
414 				 acpi_get_gpe_status(acpi_handle gpe_device,
415 						     u32 gpe_number,
416 						     acpi_event_status
417 						     *event_status))
418 
419 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
420 
421 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
422 
423 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
424 				acpi_get_gpe_device(u32 gpe_index,
425 						    acpi_handle * gpe_device))
426 
427 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
428 				acpi_install_gpe_block(acpi_handle gpe_device,
429 						       struct
430 						       acpi_generic_address
431 						       *gpe_block_address,
432 						       u32 register_count,
433 						       u32 interrupt_number))
434 
435 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
436 				 acpi_remove_gpe_block(acpi_handle gpe_device))
437 
438 /*
439  * Resource interfaces
440  */
441 typedef
442 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
443 					   void *context);
444 
445 acpi_status
446 acpi_get_vendor_resource(acpi_handle device,
447 			 char *name,
448 			 struct acpi_vendor_uuid *uuid,
449 			 struct acpi_buffer *ret_buffer);
450 
451 acpi_status
452 acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
453 
454 #ifdef ACPI_FUTURE_USAGE
455 acpi_status
456 acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
457 #endif
458 
459 acpi_status
460 acpi_get_event_resources(acpi_handle device_handle,
461 			 struct acpi_buffer *ret_buffer);
462 
463 acpi_status
464 acpi_walk_resource_buffer(struct acpi_buffer *buffer,
465 			  acpi_walk_resource_callback user_function,
466 			  void *context);
467 
468 acpi_status
469 acpi_walk_resources(acpi_handle device,
470 		    char *name,
471 		    acpi_walk_resource_callback user_function, void *context);
472 
473 acpi_status
474 acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
475 
476 acpi_status
477 acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
478 
479 acpi_status
480 acpi_resource_to_address64(struct acpi_resource *resource,
481 			   struct acpi_resource_address64 *out);
482 
483 acpi_status
484 acpi_buffer_to_resource(u8 *aml_buffer,
485 			u16 aml_buffer_length,
486 			struct acpi_resource **resource_ptr);
487 
488 /*
489  * Hardware (ACPI device) interfaces
490  */
491 acpi_status acpi_reset(void);
492 
493 acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
494 
495 acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
496 
497 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
498 				acpi_read_bit_register(u32 register_id,
499 						       u32 *return_value))
500 
501 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
502 				acpi_write_bit_register(u32 register_id,
503 							u32 value))
504 
505 /*
506  * Sleep/Wake interfaces
507  */
508 acpi_status
509 acpi_get_sleep_type_data(u8 sleep_state, u8 *slp_typ_a, u8 *slp_typ_b);
510 
511 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
512 
513 acpi_status acpi_enter_sleep_state(u8 sleep_state);
514 
515 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
516 
517 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
518 
519 acpi_status acpi_leave_sleep_state(u8 sleep_state);
520 
521 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
522 				acpi_set_firmware_waking_vector(u32
523 								physical_address))
524 #if ACPI_MACHINE_WIDTH == 64
525 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
526 				acpi_set_firmware_waking_vector64(u64
527 								  physical_address))
528 #endif
529 /*
530  * ACPI Timer interfaces
531  */
532 #ifdef ACPI_FUTURE_USAGE
533 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
534 				acpi_get_timer_resolution(u32 *resolution))
535 
536 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
537 
538 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
539 				acpi_get_timer_duration(u32 start_ticks,
540 							u32 end_ticks,
541 							u32 *time_elapsed))
542 #endif				/* ACPI_FUTURE_USAGE */
543 
544 /*
545  * Error/Warning output
546  */
547 ACPI_PRINTF_LIKE(3)
548 void ACPI_INTERNAL_VAR_XFACE
549 acpi_error(const char *module_name, u32 line_number, const char *format, ...);
550 
551 ACPI_PRINTF_LIKE(4)
552 void ACPI_INTERNAL_VAR_XFACE
553 acpi_exception(const char *module_name,
554 	       u32 line_number, acpi_status status, const char *format, ...);
555 
556 ACPI_PRINTF_LIKE(3)
557 void ACPI_INTERNAL_VAR_XFACE
558 acpi_warning(const char *module_name, u32 line_number, const char *format, ...);
559 
560 ACPI_PRINTF_LIKE(3)
561 void ACPI_INTERNAL_VAR_XFACE
562 acpi_info(const char *module_name, u32 line_number, const char *format, ...);
563 
564 ACPI_PRINTF_LIKE(3)
565 void ACPI_INTERNAL_VAR_XFACE
566 acpi_bios_error(const char *module_name,
567 		u32 line_number, const char *format, ...);
568 
569 ACPI_PRINTF_LIKE(3)
570 void ACPI_INTERNAL_VAR_XFACE
571 acpi_bios_warning(const char *module_name,
572 		  u32 line_number, const char *format, ...);
573 
574 /*
575  * Debug output
576  */
577 #ifdef ACPI_DEBUG_OUTPUT
578 
579 ACPI_PRINTF_LIKE(6)
580 void ACPI_INTERNAL_VAR_XFACE
581 acpi_debug_print(u32 requested_debug_level,
582 		 u32 line_number,
583 		 const char *function_name,
584 		 const char *module_name,
585 		 u32 component_id, const char *format, ...);
586 
587 ACPI_PRINTF_LIKE(6)
588 void ACPI_INTERNAL_VAR_XFACE
589 acpi_debug_print_raw(u32 requested_debug_level,
590 		     u32 line_number,
591 		     const char *function_name,
592 		     const char *module_name,
593 		     u32 component_id, const char *format, ...);
594 #endif
595 
596 #endif				/* __ACXFACE_H__ */
597