Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
| 2 | * acpi_bus.h - ACPI Bus Driver ($Revision: 22 $) |
| 3 | * |
| 4 | * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> |
| 5 | * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> |
| 6 | * |
| 7 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 8 | * |
| 9 | * This program is free software; you can redistribute it and/or modify |
| 10 | * it under the terms of the GNU General Public License as published by |
| 11 | * the Free Software Foundation; either version 2 of the License, or (at |
| 12 | * your option) any later version. |
| 13 | * |
| 14 | * This program is distributed in the hope that it will be useful, but |
| 15 | * WITHOUT ANY WARRANTY; without even the implied warranty of |
| 16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 17 | * General Public License for more details. |
| 18 | * |
| 19 | * You should have received a copy of the GNU General Public License along |
| 20 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 21 | * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
| 22 | * |
| 23 | * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
| 24 | */ |
| 25 | |
| 26 | #ifndef __ACPI_BUS_H__ |
| 27 | #define __ACPI_BUS_H__ |
| 28 | |
| 29 | #include <linux/kobject.h> |
| 30 | |
| 31 | #include <acpi/acpi.h> |
| 32 | |
| 33 | #define PREFIX "ACPI: " |
| 34 | |
| 35 | /* TBD: Make dynamic */ |
| 36 | #define ACPI_MAX_HANDLES 10 |
| 37 | struct acpi_handle_list { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 38 | u32 count; |
| 39 | acpi_handle handles[ACPI_MAX_HANDLES]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | }; |
| 41 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | /* acpi_utils.h */ |
| 43 | acpi_status |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 44 | acpi_extract_package(union acpi_object *package, |
| 45 | struct acpi_buffer *format, struct acpi_buffer *buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 46 | acpi_status |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 47 | acpi_evaluate_integer(acpi_handle handle, |
| 48 | acpi_string pathname, |
| 49 | struct acpi_object_list *arguments, unsigned long *data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 50 | acpi_status |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 51 | acpi_evaluate_reference(acpi_handle handle, |
| 52 | acpi_string pathname, |
| 53 | struct acpi_object_list *arguments, |
| 54 | struct acpi_handle_list *list); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
Len Brown | 76f5858 | 2005-08-24 12:10:49 -0400 | [diff] [blame] | 56 | #ifdef CONFIG_ACPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 57 | |
| 58 | #include <linux/proc_fs.h> |
| 59 | |
| 60 | #define ACPI_BUS_FILE_ROOT "acpi" |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 61 | extern struct proc_dir_entry *acpi_root_dir; |
Bob Moore | 793c238 | 2006-03-31 00:00:00 -0500 | [diff] [blame] | 62 | extern struct fadt_descriptor acpi_fadt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | |
| 64 | enum acpi_bus_removal_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 65 | ACPI_BUS_REMOVAL_NORMAL = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 66 | ACPI_BUS_REMOVAL_EJECT, |
| 67 | ACPI_BUS_REMOVAL_SUPRISE, |
| 68 | ACPI_BUS_REMOVAL_TYPE_COUNT |
| 69 | }; |
| 70 | |
| 71 | enum acpi_bus_device_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 72 | ACPI_BUS_TYPE_DEVICE = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | ACPI_BUS_TYPE_POWER, |
| 74 | ACPI_BUS_TYPE_PROCESSOR, |
| 75 | ACPI_BUS_TYPE_THERMAL, |
| 76 | ACPI_BUS_TYPE_SYSTEM, |
| 77 | ACPI_BUS_TYPE_POWER_BUTTON, |
| 78 | ACPI_BUS_TYPE_SLEEP_BUTTON, |
| 79 | ACPI_BUS_DEVICE_TYPE_COUNT |
| 80 | }; |
| 81 | |
| 82 | struct acpi_driver; |
| 83 | struct acpi_device; |
| 84 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 85 | /* |
| 86 | * ACPI Driver |
| 87 | * ----------- |
| 88 | */ |
| 89 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 90 | typedef int (*acpi_op_add) (struct acpi_device * device); |
| 91 | typedef int (*acpi_op_remove) (struct acpi_device * device, int type); |
| 92 | typedef int (*acpi_op_lock) (struct acpi_device * device, int type); |
| 93 | typedef int (*acpi_op_start) (struct acpi_device * device); |
| 94 | typedef int (*acpi_op_stop) (struct acpi_device * device, int type); |
| 95 | typedef int (*acpi_op_suspend) (struct acpi_device * device, int state); |
| 96 | typedef int (*acpi_op_resume) (struct acpi_device * device, int state); |
| 97 | typedef int (*acpi_op_scan) (struct acpi_device * device); |
| 98 | typedef int (*acpi_op_bind) (struct acpi_device * device); |
| 99 | typedef int (*acpi_op_unbind) (struct acpi_device * device); |
| 100 | typedef int (*acpi_op_match) (struct acpi_device * device, |
| 101 | struct acpi_driver * driver); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 103 | struct acpi_bus_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 104 | u32 acpi_op_add:1; |
| 105 | u32 acpi_op_remove:1; |
| 106 | u32 acpi_op_lock:1; |
| 107 | u32 acpi_op_start:1; |
| 108 | u32 acpi_op_stop:1; |
| 109 | u32 acpi_op_suspend:1; |
| 110 | u32 acpi_op_resume:1; |
| 111 | u32 acpi_op_scan:1; |
| 112 | u32 acpi_op_bind:1; |
| 113 | u32 acpi_op_unbind:1; |
| 114 | u32 acpi_op_match:1; |
| 115 | u32 reserved:21; |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 116 | }; |
| 117 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 118 | struct acpi_device_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 119 | acpi_op_add add; |
| 120 | acpi_op_remove remove; |
| 121 | acpi_op_lock lock; |
| 122 | acpi_op_start start; |
| 123 | acpi_op_stop stop; |
| 124 | acpi_op_suspend suspend; |
| 125 | acpi_op_resume resume; |
| 126 | acpi_op_scan scan; |
| 127 | acpi_op_bind bind; |
| 128 | acpi_op_unbind unbind; |
| 129 | acpi_op_match match; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 130 | }; |
| 131 | |
| 132 | struct acpi_driver { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 133 | struct list_head node; |
| 134 | char name[80]; |
| 135 | char class[80]; |
| 136 | atomic_t references; |
| 137 | char *ids; /* Supported Hardware IDs */ |
| 138 | struct acpi_device_ops ops; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | }; |
| 140 | |
| 141 | /* |
| 142 | * ACPI Device |
| 143 | * ----------- |
| 144 | */ |
| 145 | |
| 146 | /* Status (_STA) */ |
| 147 | |
| 148 | struct acpi_device_status { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 149 | u32 present:1; |
| 150 | u32 enabled:1; |
| 151 | u32 show_in_ui:1; |
| 152 | u32 functional:1; |
| 153 | u32 battery_present:1; |
| 154 | u32 reserved:27; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 155 | }; |
| 156 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 157 | /* Flags */ |
| 158 | |
| 159 | struct acpi_device_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 160 | u32 dynamic_status:1; |
| 161 | u32 hardware_id:1; |
| 162 | u32 compatible_ids:1; |
| 163 | u32 bus_address:1; |
| 164 | u32 unique_id:1; |
| 165 | u32 removable:1; |
| 166 | u32 ejectable:1; |
| 167 | u32 lockable:1; |
| 168 | u32 suprise_removal_ok:1; |
| 169 | u32 power_manageable:1; |
| 170 | u32 performance_manageable:1; |
| 171 | u32 wake_capable:1; /* Wakeup(_PRW) supported? */ |
| 172 | u32 reserved:20; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 173 | }; |
| 174 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 175 | /* File System */ |
| 176 | |
| 177 | struct acpi_device_dir { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 178 | struct proc_dir_entry *entry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 179 | }; |
| 180 | |
| 181 | #define acpi_device_dir(d) ((d)->dir.entry) |
| 182 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | /* Plug and Play */ |
| 184 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 185 | typedef char acpi_bus_id[5]; |
| 186 | typedef unsigned long acpi_bus_address; |
| 187 | typedef char acpi_hardware_id[9]; |
| 188 | typedef char acpi_unique_id[9]; |
| 189 | typedef char acpi_device_name[40]; |
| 190 | typedef char acpi_device_class[20]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | |
| 192 | struct acpi_device_pnp { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 193 | acpi_bus_id bus_id; /* Object name */ |
| 194 | acpi_bus_address bus_address; /* _ADR */ |
| 195 | acpi_hardware_id hardware_id; /* _HID */ |
| 196 | struct acpi_compatible_id_list *cid_list; /* _CIDs */ |
| 197 | acpi_unique_id unique_id; /* _UID */ |
| 198 | acpi_device_name device_name; /* Driver-determined */ |
| 199 | acpi_device_class device_class; /* " */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | }; |
| 201 | |
| 202 | #define acpi_device_bid(d) ((d)->pnp.bus_id) |
| 203 | #define acpi_device_adr(d) ((d)->pnp.bus_address) |
| 204 | #define acpi_device_hid(d) ((d)->pnp.hardware_id) |
| 205 | #define acpi_device_uid(d) ((d)->pnp.unique_id) |
| 206 | #define acpi_device_name(d) ((d)->pnp.device_name) |
| 207 | #define acpi_device_class(d) ((d)->pnp.device_class) |
| 208 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 209 | /* Power Management */ |
| 210 | |
| 211 | struct acpi_device_power_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 212 | u32 explicit_get:1; /* _PSC present? */ |
| 213 | u32 power_resources:1; /* Power resources */ |
| 214 | u32 inrush_current:1; /* Serialize Dx->D0 */ |
| 215 | u32 power_removed:1; /* Optimize Dx->D0 */ |
| 216 | u32 reserved:28; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | }; |
| 218 | |
| 219 | struct acpi_device_power_state { |
| 220 | struct { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 221 | u8 valid:1; |
| 222 | u8 explicit_set:1; /* _PSx present? */ |
| 223 | u8 reserved:6; |
| 224 | } flags; |
| 225 | int power; /* % Power (compared to D0) */ |
| 226 | int latency; /* Dx->D0 time (microseconds) */ |
| 227 | struct acpi_handle_list resources; /* Power resources referenced */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 228 | }; |
| 229 | |
| 230 | struct acpi_device_power { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 231 | int state; /* Current state */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 232 | struct acpi_device_power_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 233 | struct acpi_device_power_state states[4]; /* Power states (D0-D3) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | }; |
| 235 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | /* Performance Management */ |
| 237 | |
| 238 | struct acpi_device_perf_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 239 | u8 reserved:8; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 240 | }; |
| 241 | |
| 242 | struct acpi_device_perf_state { |
| 243 | struct { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 244 | u8 valid:1; |
| 245 | u8 reserved:7; |
| 246 | } flags; |
| 247 | u8 power; /* % Power (compared to P0) */ |
| 248 | u8 performance; /* % Performance ( " ) */ |
| 249 | int latency; /* Px->P0 time (microseconds) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | }; |
| 251 | |
| 252 | struct acpi_device_perf { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 253 | int state; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | struct acpi_device_perf_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 255 | int state_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | struct acpi_device_perf_state *states; |
| 257 | }; |
| 258 | |
| 259 | /* Wakeup Management */ |
| 260 | struct acpi_device_wakeup_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 261 | u8 valid:1; /* Can successfully enable wakeup? */ |
| 262 | u8 run_wake:1; /* Run-Wake GPE devices */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | }; |
| 264 | |
| 265 | struct acpi_device_wakeup_state { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 266 | u8 enabled:1; |
| 267 | u8 active:1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | }; |
| 269 | |
| 270 | struct acpi_device_wakeup { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 271 | acpi_handle gpe_device; |
Alexey Dobriyan | 53b3531 | 2006-03-24 03:16:13 -0800 | [diff] [blame] | 272 | acpi_integer gpe_number; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 273 | acpi_integer sleep_state; |
| 274 | struct acpi_handle_list resources; |
| 275 | struct acpi_device_wakeup_state state; |
| 276 | struct acpi_device_wakeup_flags flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 277 | }; |
| 278 | |
| 279 | /* Device */ |
| 280 | |
| 281 | struct acpi_device { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 282 | acpi_handle handle; |
| 283 | struct acpi_device *parent; |
| 284 | struct list_head children; |
| 285 | struct list_head node; |
| 286 | struct list_head wakeup_list; |
| 287 | struct list_head g_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 288 | struct acpi_device_status status; |
| 289 | struct acpi_device_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 290 | struct acpi_device_pnp pnp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | struct acpi_device_power power; |
| 292 | struct acpi_device_wakeup wakeup; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 293 | struct acpi_device_perf performance; |
| 294 | struct acpi_device_dir dir; |
| 295 | struct acpi_device_ops ops; |
| 296 | struct acpi_driver *driver; |
| 297 | void *driver_data; |
| 298 | struct kobject kobj; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 299 | }; |
| 300 | |
| 301 | #define acpi_driver_data(d) ((d)->driver_data) |
| 302 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 303 | /* |
| 304 | * Events |
| 305 | * ------ |
| 306 | */ |
| 307 | |
| 308 | struct acpi_bus_event { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 309 | struct list_head node; |
| 310 | acpi_device_class device_class; |
| 311 | acpi_bus_id bus_id; |
| 312 | u32 type; |
| 313 | u32 data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | }; |
| 315 | |
| 316 | extern struct subsystem acpi_subsys; |
| 317 | |
| 318 | /* |
| 319 | * External Functions |
| 320 | */ |
| 321 | |
| 322 | int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); |
| 323 | void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 324 | int acpi_bus_get_status(struct acpi_device *device); |
| 325 | int acpi_bus_get_power(acpi_handle handle, int *state); |
| 326 | int acpi_bus_set_power(acpi_handle handle, int state); |
| 327 | int acpi_bus_generate_event(struct acpi_device *device, u8 type, int data); |
| 328 | int acpi_bus_receive_event(struct acpi_bus_event *event); |
| 329 | int acpi_bus_register_driver(struct acpi_driver *driver); |
| 330 | int acpi_bus_unregister_driver(struct acpi_driver *driver); |
| 331 | int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent, |
| 332 | acpi_handle handle, int type); |
Kristen Accardi | ceaba66 | 2006-02-23 17:56:01 -0800 | [diff] [blame] | 333 | int acpi_bus_trim(struct acpi_device *start, int rmdevice); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 334 | int acpi_bus_start(struct acpi_device *device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 335 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 336 | int acpi_match_ids(struct acpi_device *device, char *ids); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 337 | int acpi_create_dir(struct acpi_device *); |
| 338 | void acpi_remove_dir(struct acpi_device *); |
| 339 | |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 340 | /* |
| 341 | * Bind physical devices with ACPI devices |
| 342 | */ |
| 343 | #include <linux/device.h> |
| 344 | struct acpi_bus_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 345 | struct list_head list; |
| 346 | struct bus_type *bus; |
| 347 | /* For general devices under the bus */ |
| 348 | int (*find_device) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 349 | /* For bridges, such as PCI root bridge, IDE controller */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 350 | int (*find_bridge) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 351 | }; |
| 352 | int register_acpi_bus_type(struct acpi_bus_type *); |
| 353 | int unregister_acpi_bus_type(struct acpi_bus_type *); |
| 354 | struct device *acpi_get_physical_device(acpi_handle); |
| 355 | /* helper */ |
| 356 | acpi_handle acpi_get_child(acpi_handle, acpi_integer); |
| 357 | acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); |
| 358 | #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->firmware_data)) |
| 359 | |
Len Brown | 76f5858 | 2005-08-24 12:10:49 -0400 | [diff] [blame] | 360 | #endif /* CONFIG_ACPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 361 | |
| 362 | #endif /*__ACPI_BUS_H__*/ |