ACPI video: introduce module parameter video.use_bios_initial_backlight
[firefly-linux-kernel-4.4.55.git] / include / acpi / acpixf.h
1
2 /******************************************************************************
3  *
4  * Name: acpixf.h - External interfaces to the ACPI subsystem
5  *
6  *****************************************************************************/
7
8 /*
9  * Copyright (C) 2000 - 2010, Intel Corp.
10  * All rights reserved.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions, and the following disclaimer,
17  *    without modification.
18  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
19  *    substantially similar to the "NO WARRANTY" disclaimer below
20  *    ("Disclaimer") and any redistribution must be conditioned upon
21  *    including a substantially similar Disclaimer requirement for further
22  *    binary redistribution.
23  * 3. Neither the names of the above-listed copyright holders nor the names
24  *    of any contributors may be used to endorse or promote products derived
25  *    from this software without specific prior written permission.
26  *
27  * Alternatively, this software may be distributed under the terms of the
28  * GNU General Public License ("GPL") version 2 as published by the Free
29  * Software Foundation.
30  *
31  * NO WARRANTY
32  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
33  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
34  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
35  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
36  * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
40  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
41  * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
42  * POSSIBILITY OF SUCH DAMAGES.
43  */
44
45 #ifndef __ACXFACE_H__
46 #define __ACXFACE_H__
47
48 /* Current ACPICA subsystem version in YYYYMMDD format */
49
50 #define ACPI_CA_VERSION                 0x20101013
51
52 #include "actypes.h"
53 #include "actbl.h"
54
55 extern u8 acpi_gbl_permanent_mmap;
56
57 /*
58  * Globals that are publicly available, allowing for
59  * run time configuration
60  */
61 extern u32 acpi_dbg_level;
62 extern u32 acpi_dbg_layer;
63 extern u8 acpi_gbl_enable_interpreter_slack;
64 extern u8 acpi_gbl_all_methods_serialized;
65 extern u8 acpi_gbl_create_osi_method;
66 extern u8 acpi_gbl_use_default_register_widths;
67 extern acpi_name acpi_gbl_trace_method_name;
68 extern u32 acpi_gbl_trace_flags;
69 extern u32 acpi_gbl_enable_aml_debug_object;
70 extern u8 acpi_gbl_copy_dsdt_locally;
71 extern u8 acpi_gbl_truncate_io_addresses;
72
73 extern u32 acpi_current_gpe_count;
74 extern struct acpi_table_fadt acpi_gbl_FADT;
75 extern u8 acpi_gbl_system_awake_and_running;
76
77 extern u32 acpi_rsdt_forced;
78 /*
79  * Global interfaces
80  */
81 acpi_status
82 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
83                        u32 initial_table_count, u8 allow_resize);
84
85 acpi_status __init acpi_initialize_subsystem(void);
86
87 acpi_status acpi_enable_subsystem(u32 flags);
88
89 acpi_status acpi_initialize_objects(u32 flags);
90
91 acpi_status acpi_terminate(void);
92
93 #ifdef ACPI_FUTURE_USAGE
94 acpi_status acpi_subsystem_status(void);
95 #endif
96
97 acpi_status acpi_enable(void);
98
99 acpi_status acpi_disable(void);
100
101 #ifdef ACPI_FUTURE_USAGE
102 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
103 #endif
104
105 const char *acpi_format_exception(acpi_status exception);
106
107 acpi_status acpi_purge_cached_objects(void);
108
109 acpi_status acpi_install_interface(acpi_string interface_name);
110
111 acpi_status acpi_remove_interface(acpi_string interface_name);
112
113 /*
114  * ACPI Memory management
115  */
116 void *acpi_allocate(u32 size);
117
118 void *acpi_callocate(u32 size);
119
120 void acpi_free(void *address);
121
122 /*
123  * ACPI table manipulation interfaces
124  */
125 acpi_status acpi_reallocate_root_table(void);
126
127 acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
128
129 acpi_status acpi_load_tables(void);
130
131 acpi_status acpi_load_table(struct acpi_table_header *table_ptr);
132
133 acpi_status acpi_unload_table_id(acpi_owner_id id);
134
135 acpi_status
136 acpi_get_table_header(acpi_string signature,
137                       u32 instance,
138                       struct acpi_table_header *out_table_header);
139
140 acpi_status
141 acpi_get_table_with_size(acpi_string signature,
142                u32 instance, struct acpi_table_header **out_table,
143                acpi_size *tbl_size);
144 acpi_status
145 acpi_get_table(acpi_string signature,
146                u32 instance, struct acpi_table_header **out_table);
147
148 acpi_status
149 acpi_get_table_by_index(u32 table_index,
150                         struct acpi_table_header **out_table);
151
152 acpi_status
153 acpi_install_table_handler(acpi_tbl_handler handler, void *context);
154
155 acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
156
157 /*
158  * Namespace and name interfaces
159  */
160 acpi_status
161 acpi_walk_namespace(acpi_object_type type,
162                     acpi_handle start_object,
163                     u32 max_depth,
164                     acpi_walk_callback pre_order_visit,
165                     acpi_walk_callback post_order_visit,
166                     void *context, void **return_value);
167
168 acpi_status
169 acpi_get_devices(const char *HID,
170                  acpi_walk_callback user_function,
171                  void *context, void **return_value);
172
173 acpi_status
174 acpi_get_name(acpi_handle object,
175               u32 name_type, struct acpi_buffer *ret_path_ptr);
176
177 acpi_status
178 acpi_get_handle(acpi_handle parent,
179                 acpi_string pathname, acpi_handle * ret_handle);
180
181 acpi_status
182 acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
183
184 acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
185
186 acpi_status
187 acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
188
189 acpi_status
190 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
191
192 /*
193  * Object manipulation and enumeration
194  */
195 acpi_status
196 acpi_evaluate_object(acpi_handle object,
197                      acpi_string pathname,
198                      struct acpi_object_list *parameter_objects,
199                      struct acpi_buffer *return_object_buffer);
200
201 acpi_status
202 acpi_evaluate_object_typed(acpi_handle object,
203                            acpi_string pathname,
204                            struct acpi_object_list *external_params,
205                            struct acpi_buffer *return_buffer,
206                            acpi_object_type return_type);
207
208 acpi_status
209 acpi_get_object_info(acpi_handle object,
210                      struct acpi_device_info **return_buffer);
211
212 acpi_status acpi_install_method(u8 *buffer);
213
214 acpi_status
215 acpi_get_next_object(acpi_object_type type,
216                      acpi_handle parent,
217                      acpi_handle child, acpi_handle * out_handle);
218
219 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
220
221 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
222
223 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
224
225 /*
226  * Handler interfaces
227  */
228 acpi_status
229 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
230
231 acpi_status
232 acpi_install_fixed_event_handler(u32 acpi_event,
233                                  acpi_event_handler handler, void *context);
234
235 acpi_status
236 acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler);
237
238 acpi_status
239 acpi_install_notify_handler(acpi_handle device,
240                             u32 handler_type,
241                             acpi_notify_handler handler, void *context);
242
243 acpi_status
244 acpi_remove_notify_handler(acpi_handle device,
245                            u32 handler_type, acpi_notify_handler handler);
246
247 acpi_status
248 acpi_install_address_space_handler(acpi_handle device,
249                                    acpi_adr_space_type space_id,
250                                    acpi_adr_space_handler handler,
251                                    acpi_adr_space_setup setup, void *context);
252
253 acpi_status
254 acpi_remove_address_space_handler(acpi_handle device,
255                                   acpi_adr_space_type space_id,
256                                   acpi_adr_space_handler handler);
257
258 acpi_status
259 acpi_install_gpe_handler(acpi_handle gpe_device,
260                          u32 gpe_number,
261                          u32 type, acpi_event_handler address, void *context);
262
263 acpi_status
264 acpi_remove_gpe_handler(acpi_handle gpe_device,
265                         u32 gpe_number, acpi_event_handler address);
266
267 #ifdef ACPI_FUTURE_USAGE
268 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
269 #endif
270
271 acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
272
273 /*
274  * Event interfaces
275  */
276 acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle);
277
278 acpi_status acpi_release_global_lock(u32 handle);
279
280 acpi_status acpi_enable_event(u32 event, u32 flags);
281
282 acpi_status acpi_disable_event(u32 event, u32 flags);
283
284 acpi_status acpi_clear_event(u32 event);
285
286 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
287
288 /*
289  * GPE Interfaces
290  */
291 acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
292
293 acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number);
294
295 acpi_status acpi_gpe_can_wake(acpi_handle gpe_device, u32 gpe_number);
296
297 acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number);
298
299 acpi_status acpi_gpe_wakeup(acpi_handle gpe_device, u32 gpe_number, u8 action);
300
301 acpi_status
302 acpi_get_gpe_status(acpi_handle gpe_device,
303                     u32 gpe_number, acpi_event_status *event_status);
304
305 acpi_status acpi_disable_all_gpes(void);
306
307 acpi_status acpi_enable_all_runtime_gpes(void);
308
309 acpi_status acpi_get_gpe_device(u32 gpe_index, acpi_handle *gpe_device);
310
311 acpi_status
312 acpi_install_gpe_block(acpi_handle gpe_device,
313                        struct acpi_generic_address *gpe_block_address,
314                        u32 register_count, u32 interrupt_number);
315
316 acpi_status acpi_remove_gpe_block(acpi_handle gpe_device);
317
318 acpi_status acpi_update_gpes(void);
319
320 /*
321  * Resource interfaces
322  */
323 typedef
324 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
325                                            void *context);
326
327 acpi_status
328 acpi_get_vendor_resource(acpi_handle device,
329                          char *name,
330                          struct acpi_vendor_uuid *uuid,
331                          struct acpi_buffer *ret_buffer);
332
333 acpi_status
334 acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
335
336 #ifdef ACPI_FUTURE_USAGE
337 acpi_status
338 acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
339 #endif
340
341 acpi_status
342 acpi_walk_resources(acpi_handle device,
343                     char *name,
344                     acpi_walk_resource_callback user_function, void *context);
345
346 acpi_status
347 acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
348
349 acpi_status
350 acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
351
352 acpi_status
353 acpi_resource_to_address64(struct acpi_resource *resource,
354                            struct acpi_resource_address64 *out);
355
356 /*
357  * Hardware (ACPI device) interfaces
358  */
359 acpi_status acpi_reset(void);
360
361 acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value);
362
363 acpi_status acpi_write_bit_register(u32 register_id, u32 value);
364
365 acpi_status acpi_set_firmware_waking_vector(u32 physical_address);
366
367 #if ACPI_MACHINE_WIDTH == 64
368 acpi_status acpi_set_firmware_waking_vector64(u64 physical_address);
369 #endif
370
371 acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
372
373 acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
374
375 acpi_status
376 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
377
378 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
379
380 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
381
382 acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void);
383
384 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
385
386 acpi_status acpi_leave_sleep_state(u8 sleep_state);
387
388 /*
389  * Error/Warning output
390  */
391 void ACPI_INTERNAL_VAR_XFACE
392 acpi_error(const char *module_name,
393            u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
394
395 void ACPI_INTERNAL_VAR_XFACE
396 acpi_exception(const char *module_name,
397                u32 line_number,
398                acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);
399
400 void ACPI_INTERNAL_VAR_XFACE
401 acpi_warning(const char *module_name,
402              u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
403
404 void ACPI_INTERNAL_VAR_XFACE
405 acpi_info(const char *module_name,
406           u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
407
408 /*
409  * Debug output
410  */
411 #ifdef ACPI_DEBUG_OUTPUT
412
413 void ACPI_INTERNAL_VAR_XFACE
414 acpi_debug_print(u32 requested_debug_level,
415                  u32 line_number,
416                  const char *function_name,
417                  const char *module_name,
418                  u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6);
419
420 void ACPI_INTERNAL_VAR_XFACE
421 acpi_debug_print_raw(u32 requested_debug_level,
422                      u32 line_number,
423                      const char *function_name,
424                      const char *module_name,
425                      u32 component_id,
426                      const char *format, ...) ACPI_PRINTF_LIKE(6);
427 #endif
428
429 #endif                          /* __ACXFACE_H__ */