1 2 /****************************************************************************** 3 * 4 * Name: acpixf.h - External interfaces to the ACPI subsystem 5 * 6 *****************************************************************************/ 7 8 /* 9 * Copyright (C) 2000 - 2005, R. Byron Moore 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 acpi_initialize_subsystem(void); 55 56 acpi_status acpi_enable_subsystem(u32 flags); 57 58 acpi_status acpi_initialize_objects(u32 flags); 59 60 acpi_status acpi_terminate(void); 61 62 #ifdef ACPI_FUTURE_USAGE 63 acpi_status acpi_subsystem_status(void); 64 #endif 65 66 acpi_status acpi_enable(void); 67 68 acpi_status acpi_disable(void); 69 70 #ifdef ACPI_FUTURE_USAGE 71 acpi_status acpi_get_system_info(struct acpi_buffer *ret_buffer); 72 #endif 73 74 const char *acpi_format_exception(acpi_status exception); 75 76 acpi_status acpi_purge_cached_objects(void); 77 78 #ifdef ACPI_FUTURE_USAGE 79 acpi_status 80 acpi_install_initialization_handler(acpi_init_handler handler, u32 function); 81 #endif 82 83 /* 84 * ACPI Memory managment 85 */ 86 void *acpi_allocate(u32 size); 87 88 void *acpi_callocate(u32 size); 89 90 void acpi_free(void *address); 91 92 /* 93 * ACPI table manipulation interfaces 94 */ 95 acpi_status 96 acpi_find_root_pointer(u32 flags, struct acpi_pointer *rsdp_address); 97 98 acpi_status acpi_load_tables(void); 99 100 #ifdef ACPI_FUTURE_USAGE 101 acpi_status acpi_load_table(struct acpi_table_header *table_ptr); 102 103 acpi_status acpi_unload_table(acpi_table_type table_type); 104 105 acpi_status 106 acpi_get_table_header(acpi_table_type table_type, 107 u32 instance, struct acpi_table_header *out_table_header); 108 #endif /* ACPI_FUTURE_USAGE */ 109 110 acpi_status 111 acpi_get_table(acpi_table_type table_type, 112 u32 instance, struct acpi_buffer *ret_buffer); 113 114 acpi_status 115 acpi_get_firmware_table(acpi_string signature, 116 u32 instance, 117 u32 flags, struct acpi_table_header **table_pointer); 118 119 /* 120 * Namespace and name interfaces 121 */ 122 acpi_status 123 acpi_walk_namespace(acpi_object_type type, 124 acpi_handle start_object, 125 u32 max_depth, 126 acpi_walk_callback user_function, 127 void *context, void **return_value); 128 129 acpi_status 130 acpi_get_devices(char *HID, 131 acpi_walk_callback user_function, 132 void *context, void **return_value); 133 134 acpi_status 135 acpi_get_name(acpi_handle handle, 136 u32 name_type, struct acpi_buffer *ret_path_ptr); 137 138 acpi_status 139 acpi_get_handle(acpi_handle parent, 140 acpi_string pathname, acpi_handle * ret_handle); 141 142 acpi_status 143 acpi_attach_data(acpi_handle obj_handle, 144 acpi_object_handler handler, void *data); 145 146 acpi_status 147 acpi_detach_data(acpi_handle obj_handle, acpi_object_handler handler); 148 149 acpi_status 150 acpi_get_data(acpi_handle obj_handle, acpi_object_handler handler, void **data); 151 152 /* 153 * Object manipulation and enumeration 154 */ 155 acpi_status 156 acpi_evaluate_object(acpi_handle object, 157 acpi_string pathname, 158 struct acpi_object_list *parameter_objects, 159 struct acpi_buffer *return_object_buffer); 160 161 #ifdef ACPI_FUTURE_USAGE 162 acpi_status 163 acpi_evaluate_object_typed(acpi_handle object, 164 acpi_string pathname, 165 struct acpi_object_list *external_params, 166 struct acpi_buffer *return_buffer, 167 acpi_object_type return_type); 168 #endif 169 170 acpi_status 171 acpi_get_object_info(acpi_handle handle, struct acpi_buffer *return_buffer); 172 173 acpi_status 174 acpi_get_next_object(acpi_object_type type, 175 acpi_handle parent, 176 acpi_handle child, acpi_handle * out_handle); 177 178 acpi_status acpi_get_type(acpi_handle object, acpi_object_type * out_type); 179 180 acpi_status acpi_get_parent(acpi_handle object, acpi_handle * out_handle); 181 182 /* 183 * Event handler interfaces 184 */ 185 acpi_status 186 acpi_install_fixed_event_handler(u32 acpi_event, 187 acpi_event_handler handler, void *context); 188 189 acpi_status 190 acpi_remove_fixed_event_handler(u32 acpi_event, acpi_event_handler handler); 191 192 acpi_status 193 acpi_install_notify_handler(acpi_handle device, 194 u32 handler_type, 195 acpi_notify_handler handler, void *context); 196 197 acpi_status 198 acpi_remove_notify_handler(acpi_handle device, 199 u32 handler_type, acpi_notify_handler handler); 200 201 acpi_status 202 acpi_install_address_space_handler(acpi_handle device, 203 acpi_adr_space_type space_id, 204 acpi_adr_space_handler handler, 205 acpi_adr_space_setup setup, void *context); 206 207 acpi_status 208 acpi_remove_address_space_handler(acpi_handle device, 209 acpi_adr_space_type space_id, 210 acpi_adr_space_handler handler); 211 212 acpi_status 213 acpi_install_gpe_handler(acpi_handle gpe_device, 214 u32 gpe_number, 215 u32 type, acpi_event_handler address, void *context); 216 217 #ifdef ACPI_FUTURE_USAGE 218 acpi_status acpi_install_exception_handler(acpi_exception_handler handler); 219 #endif 220 221 /* 222 * Event interfaces 223 */ 224 acpi_status acpi_acquire_global_lock(u16 timeout, u32 * handle); 225 226 acpi_status acpi_release_global_lock(u32 handle); 227 228 acpi_status 229 acpi_remove_gpe_handler(acpi_handle gpe_device, 230 u32 gpe_number, acpi_event_handler address); 231 232 acpi_status acpi_enable_event(u32 event, u32 flags); 233 234 acpi_status acpi_disable_event(u32 event, u32 flags); 235 236 acpi_status acpi_clear_event(u32 event); 237 238 #ifdef ACPI_FUTURE_USAGE 239 acpi_status acpi_get_event_status(u32 event, acpi_event_status * event_status); 240 #endif /* ACPI_FUTURE_USAGE */ 241 242 acpi_status acpi_set_gpe_type(acpi_handle gpe_device, u32 gpe_number, u8 type); 243 244 acpi_status acpi_enable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags); 245 246 acpi_status acpi_disable_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags); 247 248 acpi_status acpi_clear_gpe(acpi_handle gpe_device, u32 gpe_number, u32 flags); 249 250 #ifdef ACPI_FUTURE_USAGE 251 acpi_status 252 acpi_get_gpe_status(acpi_handle gpe_device, 253 u32 gpe_number, 254 u32 flags, acpi_event_status * event_status); 255 #endif /* ACPI_FUTURE_USAGE */ 256 257 acpi_status 258 acpi_install_gpe_block(acpi_handle gpe_device, 259 struct acpi_generic_address *gpe_block_address, 260 u32 register_count, u32 interrupt_number); 261 262 acpi_status acpi_remove_gpe_block(acpi_handle gpe_device); 263 264 /* 265 * Resource interfaces 266 */ 267 typedef 268 acpi_status(*ACPI_WALK_RESOURCE_CALLBACK) (struct acpi_resource * resource, 269 void *context); 270 271 acpi_status 272 acpi_get_current_resources(acpi_handle device_handle, 273 struct acpi_buffer *ret_buffer); 274 275 #ifdef ACPI_FUTURE_USAGE 276 acpi_status 277 acpi_get_possible_resources(acpi_handle device_handle, 278 struct acpi_buffer *ret_buffer); 279 #endif 280 281 acpi_status 282 acpi_walk_resources(acpi_handle device_handle, 283 char *path, 284 ACPI_WALK_RESOURCE_CALLBACK user_function, void *context); 285 286 acpi_status 287 acpi_set_current_resources(acpi_handle device_handle, 288 struct acpi_buffer *in_buffer); 289 290 acpi_status 291 acpi_get_irq_routing_table(acpi_handle bus_device_handle, 292 struct acpi_buffer *ret_buffer); 293 294 acpi_status 295 acpi_resource_to_address64(struct acpi_resource *resource, 296 struct acpi_resource_address64 *out); 297 298 /* 299 * Hardware (ACPI device) interfaces 300 */ 301 acpi_status acpi_get_register(u32 register_id, u32 * return_value, u32 flags); 302 303 acpi_status acpi_set_register(u32 register_id, u32 value, u32 flags); 304 305 acpi_status 306 acpi_set_firmware_waking_vector(acpi_physical_address physical_address); 307 308 #ifdef ACPI_FUTURE_USAGE 309 acpi_status 310 acpi_get_firmware_waking_vector(acpi_physical_address * physical_address); 311 #endif 312 313 acpi_status 314 acpi_get_sleep_type_data(u8 sleep_state, u8 * slp_typ_a, u8 * slp_typ_b); 315 316 acpi_status acpi_enter_sleep_state_prep(u8 sleep_state); 317 318 acpi_status asmlinkage acpi_enter_sleep_state(u8 sleep_state); 319 320 acpi_status asmlinkage acpi_enter_sleep_state_s4bios(void); 321 322 acpi_status acpi_leave_sleep_state(u8 sleep_state); 323 324 #endif /* __ACXFACE_H__ */ 325