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   1
   2 /******************************************************************************
   3  *
   4  * Name: acpixf.h - External interfaces to the ACPI subsystem
   5  *
   6  *****************************************************************************/
   7
   8 /*
   9  * Copyright (C) 2000 - 2008, 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                 0x20090521
  51
  52 #include "actypes.h"
  53 #include "actbl.h"
  54
  55 extern u8 acpi_gbl_permanent_mmap;
  56
  57 /*
  58  * Globals that are publically 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_leave_wake_gpes_disabled;
  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
  71 extern u32 acpi_current_gpe_count;
  72 extern struct acpi_table_fadt acpi_gbl_FADT;
  73
  74 extern u32 acpi_rsdt_forced;
  75 /*
  76  * Global interfaces
  77  */
  78 acpi_status
  79 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
  80                        u32 initial_table_count, u8 allow_resize);
  81
  82 acpi_status __init acpi_initialize_subsystem(void);
  83
  84 acpi_status acpi_enable_subsystem(u32 flags);
  85
  86 acpi_status acpi_initialize_objects(u32 flags);
  87
  88 acpi_status acpi_terminate(void);
  89
  90 #ifdef ACPI_FUTURE_USAGE
  91 acpi_status acpi_subsystem_status(void);
  92 #endif
  93
  94 acpi_status acpi_enable(void);
  95
  96 acpi_status acpi_disable(void);
  97
  98 #ifdef ACPI_FUTURE_USAGE
  99 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
 100 #endif
 101
 102 const char *acpi_format_exception(acpi_status exception);
 103
 104 acpi_status acpi_purge_cached_objects(void);
 105
 106 /*
 107  * ACPI Memory management
 108  */
 109 void *acpi_allocate(u32 size);
 110
 111 void *acpi_callocate(u32 size);
 112
 113 void acpi_free(void *address);
 114
 115 /*
 116  * ACPI table manipulation interfaces
 117  */
 118 acpi_status acpi_reallocate_root_table(void);
 119
 120 acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
 121
 122 acpi_status acpi_load_tables(void);
 123
 124 acpi_status acpi_load_table(struct acpi_table_header *table_ptr);
 125
 126 acpi_status acpi_unload_table_id(acpi_owner_id id);
 127
 128 acpi_status
 129 acpi_get_table_header(acpi_string signature,
 130                       u32 instance,
 131                       struct acpi_table_header *out_table_header);
 132
 133 acpi_status
 134 acpi_get_table_with_size(acpi_string signature,
 135                u32 instance, struct acpi_table_header **out_table,
 136                acpi_size *tbl_size);
 137 acpi_status
 138 acpi_get_table(acpi_string signature,
 139                u32 instance, struct acpi_table_header **out_table);
 140
 141 acpi_status
 142 acpi_get_table_by_index(u32 table_index,
 143                         struct acpi_table_header **out_table);
 144
 145 acpi_status
 146 acpi_install_table_handler(acpi_tbl_handler handler, void *context);
 147
 148 acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
 149
 150 /*
 151  * Namespace and name interfaces
 152  */
 153 acpi_status
 154 acpi_walk_namespace(acpi_object_type type,
 155                     acpi_handle start_object,
 156                     u32 max_depth,
 157                     acpi_walk_callback user_function,
 158                     void *context, void **return_value);
 159
 160 acpi_status
 161 acpi_get_devices(const char *HID,
 162                  acpi_walk_callback user_function,
 163                  void *context, void **return_value);
 164
 165 acpi_status
 166 acpi_get_name(acpi_handle handle,
 167               u32 name_type, struct acpi_buffer *ret_path_ptr);
 168
 169 acpi_status
 170 acpi_get_handle(acpi_handle parent,
 171                 acpi_string pathname, acpi_handle * ret_handle);
 172
 173 acpi_status
 174 acpi_attach_data(acpi_handle obj_handle,
 175                  acpi_object_handler handler, void *data);
 176
 177 acpi_status
 178 acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler);
 179
 180 acpi_status
 181 acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data);
 182
 183 acpi_status
 184 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
 185
 186 /*
 187  * Object manipulation and enumeration
 188  */
 189 acpi_status
 190 acpi_evaluate_object(acpi_handle object,
 191                      acpi_string pathname,
 192                      struct acpi_object_list *parameter_objects,
 193                      struct acpi_buffer *return_object_buffer);
 194
 195 acpi_status
 196 acpi_evaluate_object_typed(acpi_handle object,
 197                            acpi_string pathname,
 198                            struct acpi_object_list *external_params,
 199                            struct acpi_buffer *return_buffer,
 200                            acpi_object_type return_type);
 201
 202 acpi_status
 203 acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer);
 204
 205 acpi_status acpi_install_method(u8 *buffer);
 206
 207 acpi_status
 208 acpi_get_next_object(acpi_object_type type,
 209                      acpi_handle parent,
 210                      acpi_handle child, acpi_handle * out_handle);
 211
 212 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
 213
 214 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
 215
 216 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
 217
 218 /*
 219  * Handler interfaces
 220  */
 221 acpi_status
 222 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
 223
 224 acpi_status
 225 acpi_install_fixed_event_handler(u32 acpi_event,
 226                                  acpi_event_handler handler, void *context);
 227
 228 acpi_status
 229 acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler);
 230
 231 acpi_status
 232 acpi_install_notify_handler(acpi_handle device,
 233                             u32 handler_type,
 234                             acpi_notify_handler handler, void *context);
 235
 236 acpi_status
 237 acpi_remove_notify_handler(acpi_handle device,
 238                            u32 handler_type, acpi_notify_handler handler);
 239
 240 acpi_status
 241 acpi_install_address_space_handler(acpi_handle device,
 242                                    acpi_adr_space_type space_id,
 243                                    acpi_adr_space_handler handler,
 244                                    acpi_adr_space_setup setup, void *context);
 245
 246 acpi_status
 247 acpi_remove_address_space_handler(acpi_handle device,
 248                                   acpi_adr_space_type space_id,
 249                                   acpi_adr_space_handler handler);
 250
 251 acpi_status
 252 acpi_install_gpe_handler(acpi_handle gpe_device,
 253                          u32 gpe_number,
 254                          u32 type, acpi_event_handler address, void *context);
 255
 256 acpi_status
 257 acpi_remove_gpe_handler(acpi_handle gpe_device,
 258                         u32 gpe_number, acpi_event_handler address);
 259
 260 #ifdef ACPI_FUTURE_USAGE
 261 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
 262 #endif
 263
 264 /*
 265  * Event interfaces
 266  */
 267 acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle);
 268
 269 acpi_status acpi_release_global_lock(u32 handle);
 270
 271 acpi_status acpi_enable_event(u32 event, u32 flags);
 272
 273 acpi_status acpi_disable_event(u32 event, u32 flags);
 274
 275 acpi_status acpi_clear_event(u32 event);
 276
 277 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
 278
 279 /*
 280  * GPE Interfaces
 281  */
 282 acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type);
 283
 284 acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
 285
 286 acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number);
 287
 288 acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
 289
 290 acpi_status
 291 acpi_get_gpe_status(acpi_handle gpe_device,
 292                     u32 gpe_number,
 293                     u32 flags, acpi_event_status * event_status);
 294
 295 acpi_status acpi_disable_all_gpes(void);
 296
 297 acpi_status acpi_enable_all_runtime_gpes(void);
 298
 299 acpi_status acpi_get_gpe_device(u32 gpe_index, acpi_handle *gpe_device);
 300
 301 acpi_status
 302 acpi_install_gpe_block(acpi_handle gpe_device,
 303                        struct acpi_generic_address *gpe_block_address,
 304                        u32 register_count, u32 interrupt_number);
 305
 306 acpi_status acpi_remove_gpe_block(acpi_handle gpe_device);
 307
 308 /*
 309  * Resource interfaces
 310  */
 311 typedef
 312 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
 313                                            void *context);
 314
 315 acpi_status
 316 acpi_get_vendor_resource(acpi_handle device_handle,
 317                          char *name,
 318                          struct acpi_vendor_uuid *uuid,
 319                          struct acpi_buffer *ret_buffer);
 320
 321 acpi_status
 322 acpi_get_current_resources(acpi_handle device_handle,
 323                            struct acpi_buffer *ret_buffer);
 324
 325 #ifdef ACPI_FUTURE_USAGE
 326 acpi_status
 327 acpi_get_possible_resources(acpi_handle device_handle,
 328                             struct acpi_buffer *ret_buffer);
 329 #endif
 330
 331 acpi_status
 332 acpi_walk_resources(acpi_handle device_handle,
 333                     char *name,
 334                     acpi_walk_resource_callback user_function, void *context);
 335
 336 acpi_status
 337 acpi_set_current_resources(acpi_handle device_handle,
 338                            struct acpi_buffer *in_buffer);
 339
 340 acpi_status
 341 acpi_get_irq_routing_table(acpi_handle bus_device_handle,
 342                            struct acpi_buffer *ret_buffer);
 343
 344 acpi_status
 345 acpi_resource_to_address64(struct acpi_resource *resource,
 346                            struct acpi_resource_address64 *out);
 347
 348 /*
 349  * Hardware (ACPI device) interfaces
 350  */
 351 acpi_status acpi_reset(void);
 352
 353 acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value);
 354
 355 acpi_status acpi_write_bit_register(u32 register_id, u32 value);
 356
 357 acpi_status acpi_set_firmware_waking_vector(u32 physical_address);
 358
 359 #if ACPI_MACHINE_WIDTH == 64
 360 acpi_status acpi_set_firmware_waking_vector64(u64 physical_address);
 361 #endif
 362
 363 acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg);
 364
 365 acpi_status acpi_write(u64 value, struct acpi_generic_address *reg);
 366
 367 acpi_status
 368 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
 369
 370 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
 371
 372 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
 373
 374 acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void);
 375
 376 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
 377
 378 acpi_status acpi_leave_sleep_state(u8 sleep_state);
 379
 380 /*
 381  * Error/Warning output
 382  */
 383 void ACPI_INTERNAL_VAR_XFACE
 384 acpi_error(const char *module_name,
 385            u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 386
 387 void ACPI_INTERNAL_VAR_XFACE
 388 acpi_exception(const char *module_name,
 389                u32 line_number,
 390                acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4);
 391
 392 void ACPI_INTERNAL_VAR_XFACE
 393 acpi_warning(const char *module_name,
 394              u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 395
 396 void ACPI_INTERNAL_VAR_XFACE
 397 acpi_info(const char *module_name,
 398           u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3);
 399
 400 /*
 401  * Debug output
 402  */
 403 #ifdef ACPI_DEBUG_OUTPUT
 404
 405 void ACPI_INTERNAL_VAR_XFACE
 406 acpi_debug_print(u32 requested_debug_level,
 407                  u32 line_number,
 408                  const char *function_name,
 409                  const char *module_name,
 410                  u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6);
 411
 412 void ACPI_INTERNAL_VAR_XFACE
 413 acpi_debug_print_raw(u32 requested_debug_level,
 414                      u32 line_number,
 415                      const char *function_name,
 416                      const char *module_name,
 417                      u32 component_id,
 418                      const char *format, ...) ACPI_PRINTF_LIKE(6);
 419 #endif
 420
 421 #endif                          /* __ACXFACE_H__ */