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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 #include "actypes.h"
  49 #include "actbl.h"
  50
  51 /*
  52  * Global interfaces
  53  */
  54 acpi_status
  55 acpi_initialize_tables(struct acpi_table_desc *initial_storage,
  56                        u32 initial_table_count, u8 allow_resize);
  57
  58 acpi_status __init acpi_initialize_subsystem(void);
  59
  60 acpi_status acpi_enable_subsystem(u32 flags);
  61
  62 acpi_status acpi_initialize_objects(u32 flags);
  63
  64 acpi_status acpi_terminate(void);
  65
  66 #ifdef ACPI_FUTURE_USAGE
  67 acpi_status acpi_subsystem_status(void);
  68 #endif
  69
  70 acpi_status acpi_enable(void);
  71
  72 acpi_status acpi_disable(void);
  73
  74 #ifdef ACPI_FUTURE_USAGE
  75 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer);
  76 #endif
  77
  78 const char *acpi_format_exception(acpi_status exception);
  79
  80 acpi_status acpi_purge_cached_objects(void);
  81
  82 #ifdef ACPI_FUTURE_USAGE
  83 acpi_status
  84 acpi_install_initialization_handler(acpi_init_handler handler, u32 function);
  85 #endif
  86
  87 /*
  88  * ACPI Memory management
  89  */
  90 void *acpi_allocate(u32 size);
  91
  92 void *acpi_callocate(u32 size);
  93
  94 void acpi_free(void *address);
  95
  96 /*
  97  * ACPI table manipulation interfaces
  98  */
  99 acpi_status acpi_reallocate_root_table(void);
 100
 101 acpi_status acpi_find_root_pointer(acpi_size *rsdp_address);
 102
 103 acpi_status acpi_load_tables(void);
 104
 105 acpi_status acpi_load_table(struct acpi_table_header *table_ptr);
 106
 107 acpi_status acpi_unload_table_id(acpi_owner_id id);
 108
 109 acpi_status
 110 acpi_get_table_header(acpi_string signature,
 111                       u32 instance,
 112                       struct acpi_table_header *out_table_header);
 113
 114 acpi_status
 115 acpi_get_table(acpi_string signature,
 116                u32 instance, struct acpi_table_header **out_table);
 117
 118 acpi_status
 119 acpi_get_table_by_index(u32 table_index,
 120                         struct acpi_table_header **out_table);
 121
 122 acpi_status
 123 acpi_install_table_handler(acpi_tbl_handler handler, void *context);
 124
 125 acpi_status acpi_remove_table_handler(acpi_tbl_handler handler);
 126
 127 /*
 128  * Namespace and name interfaces
 129  */
 130 acpi_status
 131 acpi_walk_namespace(acpi_object_type type,
 132                     acpi_handle start_object,
 133                     u32 max_depth,
 134                     acpi_walk_callback user_function,
 135                     void *context, void **return_value);
 136
 137 acpi_status
 138 acpi_get_devices(const char *HID,
 139                  acpi_walk_callback user_function,
 140                  void *context, void **return_value);
 141
 142 acpi_status
 143 acpi_get_name(acpi_handle handle,
 144               u32 name_type, struct acpi_buffer *ret_path_ptr);
 145
 146 acpi_status
 147 acpi_get_handle(acpi_handle parent,
 148                 acpi_string pathname, acpi_handle * ret_handle);
 149
 150 acpi_status
 151 acpi_attach_data(acpi_handle obj_handle,
 152                  acpi_object_handler handler, void *data);
 153
 154 acpi_status
 155 acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler);
 156
 157 acpi_status
 158 acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data);
 159
 160 acpi_status
 161 acpi_debug_trace(char *name, u32 debug_level, u32 debug_layer, u32 flags);
 162
 163 /*
 164  * Object manipulation and enumeration
 165  */
 166 acpi_status
 167 acpi_evaluate_object(acpi_handle object,
 168                      acpi_string pathname,
 169                      struct acpi_object_list *parameter_objects,
 170                      struct acpi_buffer *return_object_buffer);
 171
 172 #ifdef ACPI_FUTURE_USAGE
 173 acpi_status
 174 acpi_evaluate_object_typed(acpi_handle object,
 175                            acpi_string pathname,
 176                            struct acpi_object_list *external_params,
 177                            struct acpi_buffer *return_buffer,
 178                            acpi_object_type return_type);
 179 #endif
 180
 181 acpi_status
 182 acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer);
 183
 184 acpi_status
 185 acpi_get_next_object(acpi_object_type type,
 186                      acpi_handle parent,
 187                      acpi_handle child, acpi_handle * out_handle);
 188
 189 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type);
 190
 191 acpi_status acpi_get_id(acpi_handle object, acpi_owner_id * out_type);
 192
 193 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle);
 194
 195 /*
 196  * Event handler interfaces
 197  */
 198 acpi_status
 199 acpi_install_fixed_event_handler(u32 acpi_event,
 200                                  acpi_event_handler handler, void *context);
 201
 202 acpi_status
 203 acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler);
 204
 205 acpi_status
 206 acpi_install_notify_handler(acpi_handle device,
 207                             u32 handler_type,
 208                             acpi_notify_handler handler, void *context);
 209
 210 acpi_status
 211 acpi_remove_notify_handler(acpi_handle device,
 212                            u32 handler_type, acpi_notify_handler handler);
 213
 214 acpi_status
 215 acpi_install_address_space_handler(acpi_handle device,
 216                                    acpi_adr_space_type space_id,
 217                                    acpi_adr_space_handler handler,
 218                                    acpi_adr_space_setup setup, void *context);
 219
 220 acpi_status
 221 acpi_remove_address_space_handler(acpi_handle device,
 222                                   acpi_adr_space_type space_id,
 223                                   acpi_adr_space_handler handler);
 224
 225 acpi_status
 226 acpi_install_gpe_handler(acpi_handle gpe_device,
 227                          u32 gpe_number,
 228                          u32 type, acpi_event_handler address, void *context);
 229
 230 #ifdef ACPI_FUTURE_USAGE
 231 acpi_status acpi_install_exception_handler(acpi_exception_handler handler);
 232 #endif
 233
 234 /*
 235  * Event interfaces
 236  */
 237 acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle);
 238
 239 acpi_status acpi_release_global_lock(u32 handle);
 240
 241 acpi_status
 242 acpi_remove_gpe_handler(acpi_handle gpe_device,
 243                         u32 gpe_number, acpi_event_handler address);
 244
 245 acpi_status acpi_enable_event(u32 event, u32 flags);
 246
 247 acpi_status acpi_disable_event(u32 event, u32 flags);
 248
 249 acpi_status acpi_clear_event(u32 event);
 250
 251 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status);
 252
 253 acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type);
 254
 255 acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number);
 256
 257 acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number);
 258
 259 acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags);
 260
 261 acpi_status
 262 acpi_get_gpe_status(acpi_handle gpe_device,
 263                     u32 gpe_number,
 264                     u32 flags, acpi_event_status * event_status);
 265
 266 acpi_status
 267 acpi_install_gpe_block(acpi_handle gpe_device,
 268                        struct acpi_generic_address *gpe_block_address,
 269                        u32 register_count, u32 interrupt_number);
 270
 271 acpi_status acpi_remove_gpe_block(acpi_handle gpe_device);
 272
 273 /*
 274  * Resource interfaces
 275  */
 276 typedef
 277 acpi_status(*acpi_walk_resource_callback) (struct acpi_resource * resource,
 278                                            void *context);
 279
 280 acpi_status
 281 acpi_get_vendor_resource(acpi_handle device_handle,
 282                          char *name,
 283                          struct acpi_vendor_uuid *uuid,
 284                          struct acpi_buffer *ret_buffer);
 285
 286 acpi_status
 287 acpi_get_current_resources(acpi_handle device_handle,
 288                            struct acpi_buffer *ret_buffer);
 289
 290 #ifdef ACPI_FUTURE_USAGE
 291 acpi_status
 292 acpi_get_possible_resources(acpi_handle device_handle,
 293                             struct acpi_buffer *ret_buffer);
 294 #endif
 295
 296 acpi_status
 297 acpi_walk_resources(acpi_handle device_handle,
 298                     char *name,
 299                     acpi_walk_resource_callback user_function, void *context);
 300
 301 acpi_status
 302 acpi_set_current_resources(acpi_handle device_handle,
 303                            struct acpi_buffer *in_buffer);
 304
 305 acpi_status
 306 acpi_get_irq_routing_table(acpi_handle bus_device_handle,
 307                            struct acpi_buffer *ret_buffer);
 308
 309 acpi_status
 310 acpi_resource_to_address64(struct acpi_resource *resource,
 311                            struct acpi_resource_address64 *out);
 312
 313 /*
 314  * Hardware (ACPI device) interfaces
 315  */
 316 acpi_status acpi_get_register(u32 register_id, u32 * return_value);
 317
 318 acpi_status acpi_get_register_unlocked(u32 register_id, u32 *return_value);
 319
 320 acpi_status acpi_set_register(u32 register_id, u32 value);
 321
 322 acpi_status
 323 acpi_set_firmware_waking_vector(acpi_physical_address physical_address);
 324
 325 #ifdef ACPI_FUTURE_USAGE
 326 acpi_status
 327 acpi_get_firmware_waking_vector(acpi_physical_address * physical_address);
 328 #endif
 329
 330 acpi_status
 331 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b);
 332
 333 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state);
 334
 335 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state);
 336
 337 acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void);
 338
 339 acpi_status acpi_leave_sleep_state_prep(u8 sleep_state);
 340
 341 acpi_status acpi_leave_sleep_state(u8 sleep_state);
 342
 343 #endif                          /* __ACXFACE_H__ */