include/acpi/acpixf.h

   1 /******************************************************************************
   2  *
   3  * Name: acpixf.h - External interfaces to the ACPI subsystem
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2012, 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                 0x20121018
  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
  58 /*
  59  * Globals that are publicly available, allowing for
  60  * run time configuration
  61  */
  62 extern u32 acpi_dbg_level;
  63 extern u32 acpi_dbg_layer;
  64 extern u8 acpi_gbl_enable_interpreter_slack;
  65 extern u8 acpi_gbl_all_methods_serialized;
  66 extern u8 acpi_gbl_create_osi_method;
  67 extern u8 acpi_gbl_use_default_register_widths;
  68 extern acpi_name acpi_gbl_trace_method_name;
  69 extern u32 acpi_gbl_trace_flags;
  70 extern bool acpi_gbl_enable_aml_debug_object;
  71 extern u8 acpi_gbl_copy_dsdt_locally;
  72 extern u8 acpi_gbl_truncate_io_addresses;
  73 extern u8 acpi_gbl_disable_auto_repair;
  74
  75 /*
  76  * Hardware-reduced prototypes. All interfaces that use these macros will
  77  * be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
  78  * is set to TRUE.
  79  */
  80 #if (!ACPI_REDUCED_HARDWARE)
  81 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
  82         prototype;
  83
  84 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
  85         prototype;
  86
  87 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
  88         prototype;
  89
  90 #else
  91 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
  92         static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
  93
  94 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
  95         static ACPI_INLINE prototype {return(AE_OK);}
  96
  97 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
  98         static ACPI_INLINE prototype {}
  99
 100 #endif                          /* !ACPI_REDUCED_HARDWARE */
 101
 102 extern u32 acpi_current_gpe_count;
 103 extern struct acpi_table_fadt acpi_gbl_FADT;
 104 extern u8 acpi_gbl_system_awake_and_running;
 105 extern u8 acpi_gbl_reduced_hardware;    /* ACPI 5.0 */
 106
 107 extern u32 acpi_rsdt_forced;
 108 /*
 109  * Global interfaces
 110  */
 111 acpi_status
 112 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
 113                        u32 initial_table_count, u8 allow_resize);
 114
 115 acpi_status __init acpi_initialize_subsystem(void);
 116
 117 acpi_status acpi_enable_subsystem(u32 flags);
 118
 119 acpi_status acpi_initialize_objects(u32 flags);
 120
 121 acpi_status acpi_terminate(void);
 122
 123 #ifdef ACPI_FUTURE_USAGE
 124 acpi_status acpi_subsystem_status(void);
 125 #endif
 126
 127 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
 128 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
 129
 130 #ifdef ACPI_FUTURE_USAGE
 131 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
 132 #endif
 133
 134 const char *acpi_format_exception(acpi_status exception);
 135
 136 acpi_status acpi_purge_cached_objects(void);
 137
 138 acpi_status acpi_install_interface(acpi_string interface_name);
 139
 140 acpi_status acpi_remove_interface(acpi_string interface_name);
 141
 142 u32
 143 acpi_check_address_range(acpi_adr_space_type space_id,
 144                          acpi_physical_address address,
 145                          acpi_size length, u8 warn);
 146
 147 acpi_status
 148 acpi_decode_pld_buffer(u8 *in_buffer,
 149                        acpi_size length, struct acpi_pld_info **return_buffer);
 150
 151 /*
 152  * ACPI Memory management
 153  */
 154 void *acpi_allocate(u32 size);
 155
 156 void *acpi_callocate(u32 size);
 157
 158 void acpi_free(void *address);
 159
 160 /*
 161  * ACPI table load/unload interfaces
 162  */
 163 acpi_status acpi_load_table(struct acpi_table_header *table);
 164
 165 acpi_status acpi_unload_parent_table(acpi_handle object);
 166
 167 acpi_status acpi_load_tables(void);
 168
 169 /*
 170  * ACPI table manipulation interfaces
 171  */
 172 acpi_status acpi_reallocate_root_table(void);
 173
 174 acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
 175
 176 acpi_status acpi_unload_table_id(acpi_owner_id id);
 177
 178 acpi_status
 179 acpi_get_table_header(acpi_string signature,
 180                       u32 instance, struct acpi_table_header *out_table_header);
 181
 182 acpi_status
 183 acpi_get_table_with_size(acpi_string signature,
 184                u32 instance, struct acpi_table_header **out_table,
 185                acpi_size *tbl_size);
 186 acpi_status
 187 acpi_get_table(acpi_string signature,
 188                u32 instance, struct acpi_table_header **out_table);
 189
 190 acpi_status
 191 acpi_get_table_by_index(u32 table_index, struct acpi_table_header **out_table);
 192
 193 acpi_status
 194 acpi_install_table_handler(acpi_tbl_handler handler, void *context);
 195
 196 acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
 197
 198 /*
 199  * Namespace and name interfaces
 200  */
 201 acpi_status
 202 acpi_walk_namespace(acpi_object_type type,
 203                     acpi_handle start_object,
 204                     u32 max_depth,
 205                     acpi_walk_callback pre_order_visit,
 206                     acpi_walk_callback post_order_visit,
 207                     void *context, void **return_value);
 208
 209 acpi_status
 210 acpi_get_devices(const char *HID,
 211                  acpi_walk_callback user_function,
 212                  void *context, void **return_value);
 213
 214 acpi_status
 215 acpi_get_name(acpi_handle object,
 216               u32 name_type, struct acpi_buffer *ret_path_ptr);
 217
 218 acpi_status
 219 acpi_get_handle(acpi_handle parent,
 220                 acpi_string pathname, acpi_handle * ret_handle);
 221
 222 acpi_status
 223 acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
 224
 225 acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
 226
 227 acpi_status
 228 acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
 229
 230 acpi_status
 231 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
 232
 233 /*
 234  * Object manipulation and enumeration
 235  */
 236 acpi_status
 237 acpi_evaluate_object(acpi_handle object,
 238                      acpi_string pathname,
 239                      struct acpi_object_list *parameter_objects,
 240                      struct acpi_buffer *return_object_buffer);
 241
 242 acpi_status
 243 acpi_evaluate_object_typed(acpi_handle object,
 244                            acpi_string pathname,
 245                            struct acpi_object_list *external_params,
 246                            struct acpi_buffer *return_buffer,
 247                            acpi_object_type return_type);
 248
 249 acpi_status
 250 acpi_get_object_info(acpi_handle object,
 251                      struct acpi_device_info **return_buffer);
 252
 253 acpi_status acpi_install_method(u8 *buffer);
 254
 255 acpi_status
 256 acpi_get_next_object(acpi_object_type type,
 257                      acpi_handle parent,
 258                      acpi_handle child, acpi_handle * out_handle);
 259
 260 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
 261
 262 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
 263
 264 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
 265
 266 /*
 267  * Handler interfaces
 268  */
 269 acpi_status
 270 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
 271
 272 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 273                                 acpi_install_global_event_handler
 274                                 (acpi_gbl_event_handler handler, void *context))
 275
 276 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 277                                  acpi_install_fixed_event_handler(u32
 278                                                                   acpi_event,
 279                                                                   acpi_event_handler
 280                                                                   handler,
 281                                                                   void
 282                                                                   *context))
 283 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 284                                  acpi_remove_fixed_event_handler(u32 acpi_event,
 285                                                                  acpi_event_handler
 286                                                                  handler))
 287 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 288                                  acpi_install_gpe_handler(acpi_handle
 289                                                           gpe_device,
 290                                                           u32 gpe_number,
 291                                                           u32 type,
 292                                                           acpi_gpe_handler
 293                                                           address,
 294                                                           void *context))
 295 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 296                                  acpi_remove_gpe_handler(acpi_handle gpe_device,
 297                                                          u32 gpe_number,
 298                                                          acpi_gpe_handler
 299                                                          address))
 300 acpi_status acpi_install_notify_handler(acpi_handle device, u32 handler_type,
 301                                         acpi_notify_handler handler,
 302                                         void *context);
 303
 304 acpi_status
 305 acpi_remove_notify_handler(acpi_handle device,
 306                            u32 handler_type, acpi_notify_handler handler);
 307
 308 acpi_status
 309 acpi_install_address_space_handler(acpi_handle device,
 310                                    acpi_adr_space_type space_id,
 311                                    acpi_adr_space_handler handler,
 312                                    acpi_adr_space_setup setup, void *context);
 313
 314 acpi_status
 315 acpi_remove_address_space_handler(acpi_handle device,
 316                                   acpi_adr_space_type space_id,
 317                                   acpi_adr_space_handler handler);
 318
 319 #ifdef ACPI_FUTURE_USAGE
 320 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
 321 #endif
 322
 323 acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
 324
 325 /*
 326  * Global Lock interfaces
 327  */
 328 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 329                                 acpi_acquire_global_lock(u16 timeout,
 330                                                          u32 *handle))
 331 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 332                                 acpi_release_global_lock(u32 handle))
 333
 334 /*
 335  * Interfaces to AML mutex objects
 336  */
 337 acpi_status
 338 acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);
 339
 340 acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);
 341
 342 /*
 343  * Fixed Event interfaces
 344  */
 345 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 346                                 acpi_enable_event(u32 event, u32 flags))
 347
 348 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 349                                 acpi_disable_event(u32 event, u32 flags))
 350
 351 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
 352
 353 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 354                                 acpi_get_event_status(u32 event,
 355                                                       acpi_event_status
 356                                                       *event_status))
 357 /*
 358  * General Purpose Event (GPE) Interfaces
 359  */
 360 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
 361
 362 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 363                                 acpi_enable_gpe(acpi_handle gpe_device,
 364                                                 u32 gpe_number))
 365
 366 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 367                                 acpi_disable_gpe(acpi_handle gpe_device,
 368                                                  u32 gpe_number))
 369
 370 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 371                                 acpi_clear_gpe(acpi_handle gpe_device,
 372                                                u32 gpe_number))
 373
 374 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 375                                 acpi_set_gpe(acpi_handle gpe_device,
 376                                              u32 gpe_number, u8 action))
 377
 378 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 379                                 acpi_finish_gpe(acpi_handle gpe_device,
 380                                                 u32 gpe_number))
 381
 382 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 383                                 acpi_setup_gpe_for_wake(acpi_handle
 384                                                         parent_device,
 385                                                         acpi_handle gpe_device,
 386                                                         u32 gpe_number))
 387 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 388                                  acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 389                                                         u32 gpe_number,
 390                                                         u8 action))
 391 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 392                                  acpi_get_gpe_status(acpi_handle gpe_device,
 393                                                      u32 gpe_number,
 394                                                      acpi_event_status
 395                                                      *event_status))
 396
 397 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 398
 399 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 400
 401 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 402                                 acpi_get_gpe_device(u32 gpe_index,
 403                                                     acpi_handle * gpe_device))
 404
 405 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 406                                 acpi_install_gpe_block(acpi_handle gpe_device,
 407                                                        struct
 408                                                        acpi_generic_address
 409                                                        *gpe_block_address,
 410                                                        u32 register_count,
 411                                                        u32 interrupt_number))
 412 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 413                                  acpi_remove_gpe_block(acpi_handle gpe_device))
 414
 415 /*
 416  * Resource interfaces
 417  */
 418 typedef
 419 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
 420                                            void *context);
 421
 422 acpi_status
 423 acpi_get_vendor_resource(acpi_handle device,
 424                          char *name,
 425                          struct acpi_vendor_uuid *uuid,
 426                          struct acpi_buffer *ret_buffer);
 427
 428 acpi_status
 429 acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
 430
 431 #ifdef ACPI_FUTURE_USAGE
 432 acpi_status
 433 acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
 434 #endif
 435
 436 acpi_status
 437 acpi_get_event_resources(acpi_handle device_handle,
 438                          struct acpi_buffer *ret_buffer);
 439
 440 acpi_status
 441 acpi_walk_resources(acpi_handle device,
 442                     char *name,
 443                     acpi_walk_resource_callback user_function, void *context);
 444
 445 acpi_status
 446 acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
 447
 448 acpi_status
 449 acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
 450
 451 acpi_status
 452 acpi_resource_to_address64(struct acpi_resource *resource,
 453                            struct acpi_resource_address64 *out);
 454
 455 acpi_status
 456 acpi_buffer_to_resource(u8 *aml_buffer,
 457                         u16 aml_buffer_length,
 458                         struct acpi_resource **resource_ptr);
 459
 460 /*
 461  * Hardware (ACPI device) interfaces
 462  */
 463 acpi_status acpi_reset(void);
 464
 465 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 466                                 acpi_read_bit_register(u32 register_id,
 467                                                        u32 *return_value))
 468
 469 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 470                                 acpi_write_bit_register(u32 register_id,
 471                                                         u32 value))
 472
 473 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 474                                 acpi_set_firmware_waking_vector(u32
 475                                                                 physical_address))
 476
 477 #if ACPI_MACHINE_WIDTH == 64
 478 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 479                                 acpi_set_firmware_waking_vector64(u64
 480                                                                   physical_address))
 481 #endif
 482
 483 acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
 484
 485 acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
 486
 487 /*
 488  * Sleep/Wake interfaces
 489  */
 490 acpi_status
 491 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
 492
 493 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
 494
 495 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
 496
 497 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void))
 498
 499 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
 500
 501 acpi_status acpi_leave_sleep_state(u8 sleep_state);
 502
 503 /*
 504  * ACPI Timer interfaces
 505  */
 506 #ifdef ACPI_FUTURE_USAGE
 507 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 508                                 acpi_get_timer_resolution(u32 *resolution))
 509
 510 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
 511
 512 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 513                                 acpi_get_timer_duration(u32 start_ticks,
 514                                                         u32 end_ticks,
 515                                                         u32 *time_elapsed))
 516 #endif                          /* ACPI_FUTURE_USAGE */
 517
 518 /*
 519  * Error/Warning output
 520  */
 521 void ACPI_INTERNAL_VAR_XFACE
 522 acpi_error(const char *module_name,
 523            u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 524
 525 void ACPI_INTERNAL_VAR_XFACE
 526 acpi_exception(const char *module_name,
 527                u32 line_number,
 528                acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);
 529
 530 void ACPI_INTERNAL_VAR_XFACE
 531 acpi_warning(const char *module_name,
 532              u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 533
 534 void ACPI_INTERNAL_VAR_XFACE
 535 acpi_info(const char *module_name,
 536           u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 537
 538 void ACPI_INTERNAL_VAR_XFACE
 539 acpi_bios_error(const char *module_name,
 540                 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 541
 542 void ACPI_INTERNAL_VAR_XFACE
 543 acpi_bios_warning(const char *module_name,
 544                   u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 545
 546 /*
 547  * Debug output
 548  */
 549 #ifdef ACPI_DEBUG_OUTPUT
 550
 551 void ACPI_INTERNAL_VAR_XFACE
 552 acpi_debug_print(u32 requested_debug_level,
 553                  u32 line_number,
 554                  const char *function_name,
 555                  const char *module_name,
 556                  u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6);
 557
 558 void ACPI_INTERNAL_VAR_XFACE
 559 acpi_debug_print_raw(u32 requested_debug_level,
 560                      u32 line_number,
 561                      const char *function_name,
 562                      const char *module_name,
 563                      u32 component_id,
 564                      const char *format, ...) ACPI_PRINTF_LIKE(6);
 565 #endif
 566
 567 #endif                          /* __ACXFACE_H__ */