1 2 /****************************************************************************** 3 * 4 * Name: acpixf.h - External interfaces to the ACPI subsystem 5 * 6 *****************************************************************************/ 7 8 /* 9 * Copyright (C) 2000 - 2011, 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 0x20110112 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_global_event_handler(ACPI_GBL_EVENT_HANDLER handler, 233 void *context); 234 235 acpi_status 236 acpi_install_fixed_event_handler(u32 acpi_event, 237 acpi_event_handler handler, void *context); 238 239 acpi_status 240 acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler); 241 242 acpi_status 243 acpi_install_notify_handler(acpi_handle device, 244 u32 handler_type, 245 acpi_notify_handler handler, void *context); 246 247 acpi_status 248 acpi_remove_notify_handler(acpi_handle device, 249 u32 handler_type, acpi_notify_handler handler); 250 251 acpi_status 252 acpi_install_address_space_handler(acpi_handle device, 253 acpi_adr_space_type space_id, 254 acpi_adr_space_handler handler, 255 acpi_adr_space_setup setup, void *context); 256 257 acpi_status 258 acpi_remove_address_space_handler(acpi_handle device, 259 acpi_adr_space_type space_id, 260 acpi_adr_space_handler handler); 261 262 acpi_status 263 acpi_install_gpe_handler(acpi_handle gpe_device, 264 u32 gpe_number, 265 u32 type, acpi_gpe_handler address, void *context); 266 267 acpi_status 268 acpi_remove_gpe_handler(acpi_handle gpe_device, 269 u32 gpe_number, acpi_gpe_handler address); 270 271 #ifdef ACPI_FUTURE_USAGE 272 acpi_status acpi_install_exception_handler(acpi_exception_handler handler); 273 #endif 274 275 acpi_status acpi_install_interface_handler(acpi_interface_handler handler); 276 277 /* 278 * Event interfaces 279 */ 280 acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle); 281 282 acpi_status acpi_release_global_lock(u32 handle); 283 284 acpi_status acpi_enable_event(u32 event, u32 flags); 285 286 acpi_status acpi_disable_event(u32 event, u32 flags); 287 288 acpi_status acpi_clear_event(u32 event); 289 290 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status); 291 292 /* 293 * GPE Interfaces 294 */ 295 acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number); 296 297 acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number); 298 299 acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number); 300 301 acpi_status 302 acpi_setup_gpe_for_wake(acpi_handle parent_device, 303 acpi_handle gpe_device, u32 gpe_number); 304 305 acpi_status acpi_set_gpe_wake_mask(acpi_handle gpe_device, u32 gpe_number, u8 action); 306 307 acpi_status 308 acpi_get_gpe_status(acpi_handle gpe_device, 309 u32 gpe_number, acpi_event_status *event_status); 310 311 acpi_status acpi_disable_all_gpes(void); 312 313 acpi_status acpi_enable_all_runtime_gpes(void); 314 315 acpi_status acpi_get_gpe_device(u32 gpe_index, acpi_handle *gpe_device); 316 317 acpi_status 318 acpi_install_gpe_block(acpi_handle gpe_device, 319 struct acpi_generic_address *gpe_block_address, 320 u32 register_count, u32 interrupt_number); 321 322 acpi_status acpi_remove_gpe_block(acpi_handle gpe_device); 323 324 acpi_status acpi_update_all_gpes(void); 325 326 /* 327 * Resource interfaces 328 */ 329 typedef 330 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource, 331 void *context); 332 333 acpi_status 334 acpi_get_vendor_resource(acpi_handle device, 335 char *name, 336 struct acpi_vendor_uuid *uuid, 337 struct acpi_buffer *ret_buffer); 338 339 acpi_status 340 acpi_get_current_resources(acpi_handle device, struct acpi_buffer *ret_buffer); 341 342 #ifdef ACPI_FUTURE_USAGE 343 acpi_status 344 acpi_get_possible_resources(acpi_handle device, struct acpi_buffer *ret_buffer); 345 #endif 346 347 acpi_status 348 acpi_walk_resources(acpi_handle device, 349 char *name, 350 acpi_walk_resource_callback user_function, void *context); 351 352 acpi_status 353 acpi_set_current_resources(acpi_handle device, struct acpi_buffer *in_buffer); 354 355 acpi_status 356 acpi_get_irq_routing_table(acpi_handle device, struct acpi_buffer *ret_buffer); 357 358 acpi_status 359 acpi_resource_to_address64(struct acpi_resource *resource, 360 struct acpi_resource_address64 *out); 361 362 /* 363 * Hardware (ACPI device) interfaces 364 */ 365 acpi_status acpi_reset(void); 366 367 acpi_status acpi_read_bit_register(u32 register_id, u32 *return_value); 368 369 acpi_status acpi_write_bit_register(u32 register_id, u32 value); 370 371 acpi_status acpi_set_firmware_waking_vector(u32 physical_address); 372 373 #if ACPI_MACHINE_WIDTH == 64 374 acpi_status acpi_set_firmware_waking_vector64(u64 physical_address); 375 #endif 376 377 acpi_status acpi_read(u64 *value, struct acpi_generic_address *reg); 378 379 acpi_status acpi_write(u64 value, struct acpi_generic_address *reg); 380 381 acpi_status 382 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b); 383 384 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state); 385 386 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state); 387 388 acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void); 389 390 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state); 391 392 acpi_status acpi_leave_sleep_state(u8 sleep_state); 393 394 /* 395 * Error/Warning output 396 */ 397 void ACPI_INTERNAL_VAR_XFACE 398 acpi_error(const char *module_name, 399 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3); 400 401 void ACPI_INTERNAL_VAR_XFACE 402 acpi_exception(const char *module_name, 403 u32 line_number, 404 acpi_status status, const char *format, ...) ACPI_PRINTF_LIKE(4); 405 406 void ACPI_INTERNAL_VAR_XFACE 407 acpi_warning(const char *module_name, 408 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3); 409 410 void ACPI_INTERNAL_VAR_XFACE 411 acpi_info(const char *module_name, 412 u32 line_number, const char *format, ...) ACPI_PRINTF_LIKE(3); 413 414 /* 415 * Debug output 416 */ 417 #ifdef ACPI_DEBUG_OUTPUT 418 419 void ACPI_INTERNAL_VAR_XFACE 420 acpi_debug_print(u32 requested_debug_level, 421 u32 line_number, 422 const char *function_name, 423 const char *module_name, 424 u32 component_id, const char *format, ...) ACPI_PRINTF_LIKE(6); 425 426 void ACPI_INTERNAL_VAR_XFACE 427 acpi_debug_print_raw(u32 requested_debug_level, 428 u32 line_number, 429 const char *function_name, 430 const char *module_name, 431 u32 component_id, 432 const char *format, ...) ACPI_PRINTF_LIKE(6); 433 #endif 434 435 #endif /* __ACXFACE_H__ */ 436