include/acpi/acpixf.h

   1 /******************************************************************************
   2  *
   3  * Name: acpixf.h - External interfaces to the ACPI subsystem
   4  *
   5  *****************************************************************************/
   6
   7 /*
   8  * Copyright (C) 2000 - 2014, 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                 0x20140325
  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  * Ensure that the globals are actually defined and initialized only once.
  60  *
  61  * The use of these macros allows a single list of globals (here) in order
  62  * to simplify maintenance of the code.
  63  */
  64 #ifdef DEFINE_ACPI_GLOBALS
  65 #define ACPI_GLOBAL(type,name) \
  66         extern type name; \
  67         type name
  68
  69 #define ACPI_INIT_GLOBAL(type,name,value) \
  70         type name=value
  71
  72 #else
  73 #ifndef ACPI_GLOBAL
  74 #define ACPI_GLOBAL(type,name) \
  75         extern type name
  76 #endif
  77
  78 #ifndef ACPI_INIT_GLOBAL
  79 #define ACPI_INIT_GLOBAL(type,name,value) \
  80         extern type name
  81 #endif
  82 #endif
  83
  84 /* Public globals, available from outside ACPICA subsystem */
  85
  86 /*****************************************************************************
  87  *
  88  * Runtime configuration (static defaults that can be overriden at runtime)
  89  *
  90  ****************************************************************************/
  91
  92 /*
  93  * Enable "slack" in the AML interpreter?  Default is FALSE, and the
  94  * interpreter strictly follows the ACPI specification. Setting to TRUE
  95  * allows the interpreter to ignore certain errors and/or bad AML constructs.
  96  *
  97  * Currently, these features are enabled by this flag:
  98  *
  99  * 1) Allow "implicit return" of last value in a control method
 100  * 2) Allow access beyond the end of an operation region
 101  * 3) Allow access to uninitialized locals/args (auto-init to integer 0)
 102  * 4) Allow ANY object type to be a source operand for the Store() operator
 103  * 5) Allow unresolved references (invalid target name) in package objects
 104  * 6) Enable warning messages for behavior that is not ACPI spec compliant
 105  */
 106 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_interpreter_slack, FALSE);
 107
 108 /*
 109  * Automatically serialize all methods that create named objects? Default
 110  * is TRUE, meaning that all non_serialized methods are scanned once at
 111  * table load time to determine those that create named objects. Methods
 112  * that create named objects are marked Serialized in order to prevent
 113  * possible run-time problems if they are entered by more than one thread.
 114  */
 115 ACPI_INIT_GLOBAL(u8, acpi_gbl_auto_serialize_methods, TRUE);
 116
 117 /*
 118  * Create the predefined _OSI method in the namespace? Default is TRUE
 119  * because ACPICA is fully compatible with other ACPI implementations.
 120  * Changing this will revert ACPICA (and machine ASL) to pre-OSI behavior.
 121  */
 122 ACPI_INIT_GLOBAL(u8, acpi_gbl_create_osi_method, TRUE);
 123
 124 /*
 125  * Optionally use default values for the ACPI register widths. Set this to
 126  * TRUE to use the defaults, if an FADT contains incorrect widths/lengths.
 127  */
 128 ACPI_INIT_GLOBAL(u8, acpi_gbl_use_default_register_widths, TRUE);
 129
 130 /*
 131  * Optionally enable output from the AML Debug Object.
 132  */
 133 ACPI_INIT_GLOBAL(u8, acpi_gbl_enable_aml_debug_object, FALSE);
 134
 135 /*
 136  * Optionally copy the entire DSDT to local memory (instead of simply
 137  * mapping it.) There are some BIOSs that corrupt or replace the original
 138  * DSDT, creating the need for this option. Default is FALSE, do not copy
 139  * the DSDT.
 140  */
 141 ACPI_INIT_GLOBAL(u8, acpi_gbl_copy_dsdt_locally, FALSE);
 142
 143 /*
 144  * Optionally ignore an XSDT if present and use the RSDT instead.
 145  * Although the ACPI specification requires that an XSDT be used instead
 146  * of the RSDT, the XSDT has been found to be corrupt or ill-formed on
 147  * some machines. Default behavior is to use the XSDT if present.
 148  */
 149 ACPI_INIT_GLOBAL(u8, acpi_gbl_do_not_use_xsdt, FALSE);
 150
 151 /*
 152  * Optionally use 32-bit FADT addresses if and when there is a conflict
 153  * (address mismatch) between the 32-bit and 64-bit versions of the
 154  * address. Although ACPICA adheres to the ACPI specification which
 155  * requires the use of the corresponding 64-bit address if it is non-zero,
 156  * some machines have been found to have a corrupted non-zero 64-bit
 157  * address. Default is FALSE, do not favor the 32-bit addresses.
 158  */
 159 ACPI_INIT_GLOBAL(u8, acpi_gbl_use32_bit_fadt_addresses, FALSE);
 160
 161 /*
 162  * Optionally truncate I/O addresses to 16 bits. Provides compatibility
 163  * with other ACPI implementations. NOTE: During ACPICA initialization,
 164  * this value is set to TRUE if any Windows OSI strings have been
 165  * requested by the BIOS.
 166  */
 167 ACPI_INIT_GLOBAL(u8, acpi_gbl_truncate_io_addresses, FALSE);
 168
 169 /*
 170  * Disable runtime checking and repair of values returned by control methods.
 171  * Use only if the repair is causing a problem on a particular machine.
 172  */
 173 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_auto_repair, FALSE);
 174
 175 /*
 176  * Optionally do not install any SSDTs from the RSDT/XSDT during initialization.
 177  * This can be useful for debugging ACPI problems on some machines.
 178  */
 179 ACPI_INIT_GLOBAL(u8, acpi_gbl_disable_ssdt_table_install, FALSE);
 180
 181 /*
 182  * We keep track of the latest version of Windows that has been requested by
 183  * the BIOS.  ACPI 5.0.
 184  */
 185 ACPI_INIT_GLOBAL(u8, acpi_gbl_osi_data, 0);
 186
 187 /*
 188  * ACPI 5.0 introduces the concept of a "reduced hardware platform", meaning
 189  * that the ACPI hardware is no longer required. A flag in the FADT indicates
 190  * a reduced HW machine, and that flag is duplicated here for convenience.
 191  */
 192 ACPI_INIT_GLOBAL(u8, acpi_gbl_reduced_hardware, FALSE);
 193
 194 /*
 195  * This mechanism is used to trace a specified AML method. The method is
 196  * traced each time it is executed.
 197  */
 198 ACPI_INIT_GLOBAL(u32, acpi_gbl_trace_flags, 0);
 199 ACPI_INIT_GLOBAL(acpi_name, acpi_gbl_trace_method_name, 0);
 200
 201 /*
 202  * Runtime configuration of debug output control masks. We want the debug
 203  * switches statically initialized so they are already set when the debugger
 204  * is entered.
 205  */
 206 ACPI_INIT_GLOBAL(u32, acpi_dbg_level, ACPI_DEBUG_DEFAULT);
 207 ACPI_INIT_GLOBAL(u32, acpi_dbg_layer, 0);
 208
 209 /*
 210  * Globals that are publically available
 211  */
 212 ACPI_GLOBAL(u32, acpi_current_gpe_count);
 213 ACPI_GLOBAL(struct acpi_table_fadt, acpi_gbl_FADT);
 214 ACPI_GLOBAL(u8, acpi_gbl_system_awake_and_running);
 215
 216 /*
 217  * Hardware-reduced prototypes. All interfaces that use these macros will
 218  * be configured out of the ACPICA build if the ACPI_REDUCED_HARDWARE flag
 219  * is set to TRUE.
 220  */
 221 #if (!ACPI_REDUCED_HARDWARE)
 222 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 223         prototype;
 224
 225 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 226         prototype;
 227
 228 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 229         prototype;
 230
 231 #else
 232 #define ACPI_HW_DEPENDENT_RETURN_STATUS(prototype) \
 233         static ACPI_INLINE prototype {return(AE_NOT_CONFIGURED);}
 234
 235 #define ACPI_HW_DEPENDENT_RETURN_OK(prototype) \
 236         static ACPI_INLINE prototype {return(AE_OK);}
 237
 238 #define ACPI_HW_DEPENDENT_RETURN_VOID(prototype) \
 239         static ACPI_INLINE prototype {return;}
 240
 241 #endif                          /* !ACPI_REDUCED_HARDWARE */
 242
 243 /*
 244  * Initialization
 245  */
 246 acpi_status __init
 247 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
 248                        u32 initial_table_count, u8 allow_resize);
 249
 250 acpi_status __init acpi_initialize_subsystem(void);
 251
 252 acpi_status __init acpi_enable_subsystem(u32 flags);
 253
 254 acpi_status __init acpi_initialize_objects(u32 flags);
 255
 256 acpi_status __init acpi_terminate(void);
 257
 258 /*
 259  * Miscellaneous global interfaces
 260  */
 261 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable(void))
 262 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable(void))
 263 #ifdef ACPI_FUTURE_USAGE
 264 acpi_status acpi_subsystem_status(void);
 265 #endif
 266
 267 #ifdef ACPI_FUTURE_USAGE
 268 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
 269 #endif
 270
 271 acpi_status acpi_get_statistics(struct acpi_statistics *stats);
 272
 273 const char *acpi_format_exception(acpi_status exception);
 274
 275 acpi_status acpi_purge_cached_objects(void);
 276
 277 acpi_status acpi_install_interface(acpi_string interface_name);
 278
 279 acpi_status acpi_remove_interface(acpi_string interface_name);
 280
 281 acpi_status acpi_update_interfaces(u8 action);
 282
 283 u32
 284 acpi_check_address_range(acpi_adr_space_type space_id,
 285                          acpi_physical_address address,
 286                          acpi_size length, u8 warn);
 287
 288 acpi_status
 289 acpi_decode_pld_buffer(u8 *in_buffer,
 290                        acpi_size length, struct acpi_pld_info **return_buffer);
 291
 292 /*
 293  * ACPI table load/unload interfaces
 294  */
 295 acpi_status __init
 296 acpi_install_table(acpi_physical_address address, u8 physical);
 297
 298 acpi_status acpi_load_table(struct acpi_table_header *table);
 299
 300 acpi_status acpi_unload_parent_table(acpi_handle object);
 301
 302 acpi_status __init acpi_load_tables(void);
 303
 304 /*
 305  * ACPI table manipulation interfaces
 306  */
 307 acpi_status __init acpi_reallocate_root_table(void);
 308
 309 acpi_status __init acpi_find_root_pointer(acpi_size *rsdp_address);
 310
 311 acpi_status acpi_unload_table_id(acpi_owner_id id);
 312
 313 acpi_status
 314 acpi_get_table_header(acpi_string signature,
 315                       u32 instance, struct acpi_table_header *out_table_header);
 316
 317 acpi_status
 318 acpi_get_table_with_size(acpi_string signature,
 319                u32 instance, struct acpi_table_header **out_table,
 320                acpi_size *tbl_size);
 321
 322 acpi_status
 323 acpi_get_table(acpi_string signature,
 324                u32 instance, struct acpi_table_header **out_table);
 325
 326 acpi_status
 327 acpi_get_table_by_index(u32 table_index, struct acpi_table_header **out_table);
 328
 329 acpi_status
 330 acpi_install_table_handler(acpi_table_handler handler, void *context);
 331
 332 acpi_status acpi_remove_table_handler(acpi_table_handler handler);
 333
 334 /*
 335  * Namespace and name interfaces
 336  */
 337 acpi_status
 338 acpi_walk_namespace(acpi_object_type type,
 339                     acpi_handle start_object,
 340                     u32 max_depth,
 341                     acpi_walk_callback descending_callback,
 342                     acpi_walk_callback ascending_callback,
 343                     void *context, void **return_value);
 344
 345 acpi_status
 346 acpi_get_devices(const char *HID,
 347                  acpi_walk_callback user_function,
 348                  void *context, void **return_value);
 349
 350 acpi_status
 351 acpi_get_name(acpi_handle object,
 352               u32 name_type, struct acpi_buffer *ret_path_ptr);
 353
 354 acpi_status
 355 acpi_get_handle(acpi_handle parent,
 356                 acpi_string pathname, acpi_handle * ret_handle);
 357
 358 acpi_status
 359 acpi_attach_data(acpi_handle object, acpi_object_handler handler, void *data);
 360
 361 acpi_status acpi_detach_data(acpi_handle object, acpi_object_handler handler);
 362
 363 acpi_status
 364 acpi_get_data_full(acpi_handle object, acpi_object_handler handler, void **data,
 365                    void (*callback)(void *));
 366
 367 acpi_status
 368 acpi_get_data(acpi_handle object, acpi_object_handler handler, void **data);
 369
 370 acpi_status
 371 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
 372
 373 /*
 374  * Object manipulation and enumeration
 375  */
 376 acpi_status
 377 acpi_evaluate_object(acpi_handle object,
 378                      acpi_string pathname,
 379                      struct acpi_object_list *parameter_objects,
 380                      struct acpi_buffer *return_object_buffer);
 381
 382 acpi_status
 383 acpi_evaluate_object_typed(acpi_handle object,
 384                            acpi_string pathname,
 385                            struct acpi_object_list *external_params,
 386                            struct acpi_buffer *return_buffer,
 387                            acpi_object_type return_type);
 388
 389 acpi_status
 390 acpi_get_object_info(acpi_handle object,
 391                      struct acpi_device_info **return_buffer);
 392
 393 acpi_status acpi_install_method(u8 *buffer);
 394
 395 acpi_status
 396 acpi_get_next_object(acpi_object_type type,
 397                      acpi_handle parent,
 398                      acpi_handle child, acpi_handle * out_handle);
 399
 400 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
 401
 402 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
 403
 404 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
 405
 406 /*
 407  * Handler interfaces
 408  */
 409 acpi_status
 410 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
 411
 412 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 413                                 acpi_install_sci_handler(acpi_sci_handler
 414                                                          address,
 415                                                          void *context))
 416 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 417                                  acpi_remove_sci_handler(acpi_sci_handler
 418                                                          address))
 419 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 420                                  acpi_install_global_event_handler
 421                                  (acpi_gbl_event_handler handler,
 422                                   void *context))
 423 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 424                                  acpi_install_fixed_event_handler(u32
 425                                                                   acpi_event,
 426                                                                   acpi_event_handler
 427                                                                   handler,
 428                                                                   void
 429                                                                   *context))
 430 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 431                                  acpi_remove_fixed_event_handler(u32 acpi_event,
 432                                                                  acpi_event_handler
 433                                                                  handler))
 434 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 435                                  acpi_install_gpe_handler(acpi_handle
 436                                                           gpe_device,
 437                                                           u32 gpe_number,
 438                                                           u32 type,
 439                                                           acpi_gpe_handler
 440                                                           address,
 441                                                           void *context))
 442 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 443                                  acpi_remove_gpe_handler(acpi_handle gpe_device,
 444                                                          u32 gpe_number,
 445                                                          acpi_gpe_handler
 446                                                          address))
 447 acpi_status acpi_install_notify_handler(acpi_handle device, u32 handler_type,
 448                                          acpi_notify_handler handler,
 449                                          void *context);
 450
 451 acpi_status
 452 acpi_remove_notify_handler(acpi_handle device,
 453                            u32 handler_type, acpi_notify_handler handler);
 454
 455 acpi_status
 456 acpi_install_address_space_handler(acpi_handle device,
 457                                    acpi_adr_space_type space_id,
 458                                    acpi_adr_space_handler handler,
 459                                    acpi_adr_space_setup setup, void *context);
 460
 461 acpi_status
 462 acpi_remove_address_space_handler(acpi_handle device,
 463                                   acpi_adr_space_type space_id,
 464                                   acpi_adr_space_handler handler);
 465
 466 #ifdef ACPI_FUTURE_USAGE
 467 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
 468 #endif
 469
 470 acpi_status acpi_install_interface_handler(acpi_interface_handler handler);
 471
 472 /*
 473  * Global Lock interfaces
 474  */
 475 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 476                                 acpi_acquire_global_lock(u16 timeout,
 477                                                          u32 *handle))
 478
 479 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 480                                 acpi_release_global_lock(u32 handle))
 481
 482 /*
 483  * Interfaces to AML mutex objects
 484  */
 485 acpi_status
 486 acpi_acquire_mutex(acpi_handle handle, acpi_string pathname, u16 timeout);
 487
 488 acpi_status acpi_release_mutex(acpi_handle handle, acpi_string pathname);
 489
 490 /*
 491  * Fixed Event interfaces
 492  */
 493 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 494                                 acpi_enable_event(u32 event, u32 flags))
 495
 496 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 497                                 acpi_disable_event(u32 event, u32 flags))
 498 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_clear_event(u32 event))
 499
 500 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 501                                 acpi_get_event_status(u32 event,
 502                                                       acpi_event_status
 503                                                       *event_status))
 504
 505 /*
 506  * General Purpose Event (GPE) Interfaces
 507  */
 508 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_update_all_gpes(void))
 509
 510 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 511                                 acpi_enable_gpe(acpi_handle gpe_device,
 512                                                 u32 gpe_number))
 513
 514 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 515                                 acpi_disable_gpe(acpi_handle gpe_device,
 516                                                  u32 gpe_number))
 517
 518 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 519                                 acpi_clear_gpe(acpi_handle gpe_device,
 520                                                u32 gpe_number))
 521
 522 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 523                                 acpi_set_gpe(acpi_handle gpe_device,
 524                                              u32 gpe_number, u8 action))
 525
 526 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 527                                 acpi_finish_gpe(acpi_handle gpe_device,
 528                                                 u32 gpe_number))
 529
 530 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 531                                 acpi_setup_gpe_for_wake(acpi_handle
 532                                                         parent_device,
 533                                                         acpi_handle gpe_device,
 534                                                         u32 gpe_number))
 535 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 536                                  acpi_set_gpe_wake_mask(acpi_handle gpe_device,
 537                                                         u32 gpe_number,
 538                                                         u8 action))
 539 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 540                                  acpi_get_gpe_status(acpi_handle gpe_device,
 541                                                      u32 gpe_number,
 542                                                      acpi_event_status
 543                                                      *event_status))
 544 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_disable_all_gpes(void))
 545 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enable_all_runtime_gpes(void))
 546
 547 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 548                                 acpi_get_gpe_device(u32 gpe_index,
 549                                                     acpi_handle * gpe_device))
 550
 551 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 552                                 acpi_install_gpe_block(acpi_handle gpe_device,
 553                                                        struct
 554                                                        acpi_generic_address
 555                                                        *gpe_block_address,
 556                                                        u32 register_count,
 557                                                        u32 interrupt_number))
 558 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 559                                  acpi_remove_gpe_block(acpi_handle gpe_device))
 560
 561 /*
 562  * Resource interfaces
 563  */
 564 typedef
 565 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
 566                                            void *context);
 567
 568 acpi_status
 569 acpi_get_vendor_resource(acpi_handle device,
 570                          char *name,
 571                          struct acpi_vendor_uuid *uuid,
 572                          struct acpi_buffer *ret_buffer);
 573
 574 acpi_status
 575 acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
 576
 577 #ifdef ACPI_FUTURE_USAGE
 578 acpi_status
 579 acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer);
 580 #endif
 581
 582 acpi_status
 583 acpi_get_event_resources(acpi_handle device_handle,
 584                          struct acpi_buffer *ret_buffer);
 585
 586 acpi_status
 587 acpi_walk_resource_buffer(struct acpi_buffer *buffer,
 588                           acpi_walk_resource_callback user_function,
 589                           void *context);
 590
 591 acpi_status
 592 acpi_walk_resources(acpi_handle device,
 593                     char *name,
 594                     acpi_walk_resource_callback user_function, void *context);
 595
 596 acpi_status
 597 acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer);
 598
 599 acpi_status
 600 acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer);
 601
 602 acpi_status
 603 acpi_resource_to_address64(struct acpi_resource *resource,
 604                            struct acpi_resource_address64 *out);
 605
 606 acpi_status
 607 acpi_buffer_to_resource(u8 *aml_buffer,
 608                         u16 aml_buffer_length,
 609                         struct acpi_resource **resource_ptr);
 610
 611 /*
 612  * Hardware (ACPI device) interfaces
 613  */
 614 acpi_status acpi_reset(void);
 615
 616 acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
 617
 618 acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
 619
 620 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 621                                 acpi_read_bit_register(u32 register_id,
 622                                                        u32 *return_value))
 623
 624 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 625                                 acpi_write_bit_register(u32 register_id,
 626                                                         u32 value))
 627
 628 /*
 629  * Sleep/Wake interfaces
 630  */
 631 acpi_status
 632 acpi_get_sleep_type_data(u8 sleep_state, u8 *slp_typ_a, u8 *slp_typ_b);
 633
 634 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
 635
 636 acpi_status acpi_enter_sleep_state(u8 sleep_state);
 637
 638 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_enter_sleep_state_s4bios(void))
 639
 640 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
 641
 642 acpi_status acpi_leave_sleep_state(u8 sleep_state);
 643
 644 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 645                                 acpi_set_firmware_waking_vector(u32
 646                                                                 physical_address))
 647 #if ACPI_MACHINE_WIDTH == 64
 648 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 649                                 acpi_set_firmware_waking_vector64(u64
 650                                                                   physical_address))
 651 #endif
 652 /*
 653  * ACPI Timer interfaces
 654  */
 655 #ifdef ACPI_FUTURE_USAGE
 656 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 657                                 acpi_get_timer_resolution(u32 *resolution))
 658 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status acpi_get_timer(u32 *ticks))
 659
 660 ACPI_HW_DEPENDENT_RETURN_STATUS(acpi_status
 661                                 acpi_get_timer_duration(u32 start_ticks,
 662                                                         u32 end_ticks,
 663                                                         u32 *time_elapsed))
 664 #endif                          /* ACPI_FUTURE_USAGE */
 665
 666 /*
 667  * Error/Warning output
 668  */
 669 ACPI_PRINTF_LIKE(3)
 670 void ACPI_INTERNAL_VAR_XFACE
 671 acpi_error(const char *module_name, u32 line_number, const char *format, ...);
 672
 673 ACPI_PRINTF_LIKE(4)
 674 void ACPI_INTERNAL_VAR_XFACE
 675 acpi_exception(const char *module_name,
 676                u32 line_number, acpi_status status, const char *format, ...);
 677
 678 ACPI_PRINTF_LIKE(3)
 679 void ACPI_INTERNAL_VAR_XFACE
 680 acpi_warning(const char *module_name, u32 line_number, const char *format, ...);
 681
 682 ACPI_PRINTF_LIKE(3)
 683 void ACPI_INTERNAL_VAR_XFACE
 684 acpi_info(const char *module_name, u32 line_number, const char *format, ...);
 685
 686 ACPI_PRINTF_LIKE(3)
 687 void ACPI_INTERNAL_VAR_XFACE
 688 acpi_bios_error(const char *module_name,
 689                 u32 line_number, const char *format, ...);
 690
 691 ACPI_PRINTF_LIKE(3)
 692 void ACPI_INTERNAL_VAR_XFACE
 693 acpi_bios_warning(const char *module_name,
 694                   u32 line_number, const char *format, ...);
 695
 696 /*
 697  * Debug output
 698  */
 699 #ifdef ACPI_DEBUG_OUTPUT
 700
 701 ACPI_PRINTF_LIKE(6)
 702 void ACPI_INTERNAL_VAR_XFACE
 703 acpi_debug_print(u32 requested_debug_level,
 704                  u32 line_number,
 705                  const char *function_name,
 706                  const char *module_name,
 707                  u32 component_id, const char *format, ...);
 708
 709 ACPI_PRINTF_LIKE(6)
 710 void ACPI_INTERNAL_VAR_XFACE
 711 acpi_debug_print_raw(u32 requested_debug_level,
 712                      u32 line_number,
 713                      const char *function_name,
 714                      const char *module_name,
 715                      u32 component_id, const char *format, ...);
 716 #endif
 717
 718 #endif                          /* __ACXFACE_H__ */