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 | |
Patrick Mochel | 5b32726 | 2006-05-10 10:33:00 -0400 | [diff] [blame] | 29 | #include <linux/device.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 62 | |
| 63 | enum acpi_bus_removal_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 64 | ACPI_BUS_REMOVAL_NORMAL = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | ACPI_BUS_REMOVAL_EJECT, |
| 66 | ACPI_BUS_REMOVAL_SUPRISE, |
| 67 | ACPI_BUS_REMOVAL_TYPE_COUNT |
| 68 | }; |
| 69 | |
| 70 | enum acpi_bus_device_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 71 | ACPI_BUS_TYPE_DEVICE = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 72 | ACPI_BUS_TYPE_POWER, |
| 73 | ACPI_BUS_TYPE_PROCESSOR, |
| 74 | ACPI_BUS_TYPE_THERMAL, |
| 75 | ACPI_BUS_TYPE_SYSTEM, |
| 76 | ACPI_BUS_TYPE_POWER_BUTTON, |
| 77 | ACPI_BUS_TYPE_SLEEP_BUTTON, |
| 78 | ACPI_BUS_DEVICE_TYPE_COUNT |
| 79 | }; |
| 80 | |
| 81 | struct acpi_driver; |
| 82 | struct acpi_device; |
| 83 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 84 | /* |
| 85 | * ACPI Driver |
| 86 | * ----------- |
| 87 | */ |
| 88 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 89 | typedef int (*acpi_op_add) (struct acpi_device * device); |
| 90 | typedef int (*acpi_op_remove) (struct acpi_device * device, int type); |
| 91 | typedef int (*acpi_op_lock) (struct acpi_device * device, int type); |
| 92 | typedef int (*acpi_op_start) (struct acpi_device * device); |
| 93 | typedef int (*acpi_op_stop) (struct acpi_device * device, int type); |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 94 | typedef int (*acpi_op_suspend) (struct acpi_device * device, |
| 95 | pm_message_t state); |
Patrick Mochel | 5d9464a | 2006-12-07 20:56:27 +0800 | [diff] [blame] | 96 | typedef int (*acpi_op_resume) (struct acpi_device * device); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 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); |
Patrick Mochel | 5d9464a | 2006-12-07 20:56:27 +0800 | [diff] [blame] | 100 | typedef int (*acpi_op_shutdown) (struct acpi_device * device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 102 | struct acpi_bus_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 103 | u32 acpi_op_add:1; |
| 104 | u32 acpi_op_remove:1; |
| 105 | u32 acpi_op_lock:1; |
| 106 | u32 acpi_op_start:1; |
| 107 | u32 acpi_op_stop:1; |
| 108 | u32 acpi_op_suspend:1; |
| 109 | u32 acpi_op_resume:1; |
| 110 | u32 acpi_op_scan:1; |
| 111 | u32 acpi_op_bind:1; |
| 112 | u32 acpi_op_unbind:1; |
Patrick Mochel | 5d9464a | 2006-12-07 20:56:27 +0800 | [diff] [blame] | 113 | u32 acpi_op_shutdown:1; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 114 | u32 reserved:21; |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 115 | }; |
| 116 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 117 | struct acpi_device_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 118 | acpi_op_add add; |
| 119 | acpi_op_remove remove; |
| 120 | acpi_op_lock lock; |
| 121 | acpi_op_start start; |
| 122 | acpi_op_stop stop; |
| 123 | acpi_op_suspend suspend; |
| 124 | acpi_op_resume resume; |
| 125 | acpi_op_scan scan; |
| 126 | acpi_op_bind bind; |
| 127 | acpi_op_unbind unbind; |
Patrick Mochel | 5d9464a | 2006-12-07 20:56:27 +0800 | [diff] [blame] | 128 | acpi_op_shutdown shutdown; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 129 | }; |
| 130 | |
| 131 | struct acpi_driver { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 132 | char name[80]; |
| 133 | char class[80]; |
Thomas Renninger | 8c8eb78 | 2007-07-23 14:43:32 +0200 | [diff] [blame] | 134 | const struct acpi_device_id *ids; /* Supported Hardware IDs */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 135 | struct acpi_device_ops ops; |
Patrick Mochel | d43ec68 | 2006-12-07 20:56:23 +0800 | [diff] [blame] | 136 | struct device_driver drv; |
Patrick Mochel | 1890a97 | 2006-12-07 20:56:31 +0800 | [diff] [blame] | 137 | struct module *owner; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | }; |
| 139 | |
| 140 | /* |
| 141 | * ACPI Device |
| 142 | * ----------- |
| 143 | */ |
| 144 | |
| 145 | /* Status (_STA) */ |
| 146 | |
| 147 | struct acpi_device_status { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 148 | u32 present:1; |
| 149 | u32 enabled:1; |
| 150 | u32 show_in_ui:1; |
| 151 | u32 functional:1; |
| 152 | u32 battery_present:1; |
| 153 | u32 reserved:27; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | }; |
| 155 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 156 | /* Flags */ |
| 157 | |
| 158 | struct acpi_device_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 159 | u32 dynamic_status:1; |
| 160 | u32 hardware_id:1; |
| 161 | u32 compatible_ids:1; |
| 162 | u32 bus_address:1; |
| 163 | u32 unique_id:1; |
| 164 | u32 removable:1; |
| 165 | u32 ejectable:1; |
| 166 | u32 lockable:1; |
| 167 | u32 suprise_removal_ok:1; |
| 168 | u32 power_manageable:1; |
| 169 | u32 performance_manageable:1; |
| 170 | u32 wake_capable:1; /* Wakeup(_PRW) supported? */ |
Len Brown | ec68373 | 2008-01-23 22:41:20 -0500 | [diff] [blame] | 171 | u32 force_power_state:1; |
| 172 | u32 reserved:19; |
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; |
Zhang Rui | bb09585 | 2007-01-04 15:03:18 +0800 | [diff] [blame] | 187 | typedef char acpi_hardware_id[15]; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 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; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 267 | }; |
| 268 | |
| 269 | struct acpi_device_wakeup { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 270 | acpi_handle gpe_device; |
Alexey Dobriyan | 53b3531 | 2006-03-24 03:16:13 -0800 | [diff] [blame] | 271 | acpi_integer gpe_number; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 272 | acpi_integer sleep_state; |
| 273 | struct acpi_handle_list resources; |
| 274 | struct acpi_device_wakeup_state state; |
| 275 | struct acpi_device_wakeup_flags flags; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 276 | }; |
| 277 | |
| 278 | /* Device */ |
| 279 | |
| 280 | struct acpi_device { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 281 | acpi_handle handle; |
| 282 | struct acpi_device *parent; |
| 283 | struct list_head children; |
| 284 | struct list_head node; |
| 285 | struct list_head wakeup_list; |
| 286 | struct list_head g_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | struct acpi_device_status status; |
| 288 | struct acpi_device_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 289 | struct acpi_device_pnp pnp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 290 | struct acpi_device_power power; |
| 291 | struct acpi_device_wakeup wakeup; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 292 | struct acpi_device_perf performance; |
| 293 | struct acpi_device_dir dir; |
| 294 | struct acpi_device_ops ops; |
| 295 | struct acpi_driver *driver; |
| 296 | void *driver_data; |
Patrick Mochel | 5b32726 | 2006-05-10 10:33:00 -0400 | [diff] [blame] | 297 | struct device dev; |
Li Shaohua | c4168bf | 2006-12-07 20:56:41 +0800 | [diff] [blame] | 298 | struct acpi_bus_ops bus_ops; /* workaround for different code path for hotplug */ |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 299 | enum acpi_bus_removal_type removal_type; /* indicate for different removal type */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 300 | }; |
| 301 | |
| 302 | #define acpi_driver_data(d) ((d)->driver_data) |
Patrick Mochel | d43ec68 | 2006-12-07 20:56:23 +0800 | [diff] [blame] | 303 | #define to_acpi_device(d) container_of(d, struct acpi_device, dev) |
| 304 | #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | |
David Brownell | 55955aa | 2007-05-08 00:28:35 -0700 | [diff] [blame] | 306 | /* acpi_device.dev.bus == &acpi_bus_type */ |
| 307 | extern struct bus_type acpi_bus_type; |
| 308 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 309 | /* |
| 310 | * Events |
| 311 | * ------ |
| 312 | */ |
| 313 | |
| 314 | struct acpi_bus_event { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 315 | struct list_head node; |
| 316 | acpi_device_class device_class; |
| 317 | acpi_bus_id bus_id; |
| 318 | u32 type; |
| 319 | u32 data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 320 | }; |
| 321 | |
Greg Kroah-Hartman | 99e0d2f | 2007-11-02 16:19:59 -0700 | [diff] [blame] | 322 | extern struct kobject *acpi_kobj; |
Zhang Rui | 962ce8c | 2007-08-23 01:24:31 +0800 | [diff] [blame] | 323 | extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); |
Zhang Rui | 2073393 | 2008-01-17 15:51:21 +0800 | [diff] [blame] | 324 | void acpi_bus_private_data_handler(acpi_handle, u32, void *); |
| 325 | int acpi_bus_get_private_data(acpi_handle, void **); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 326 | /* |
| 327 | * External Functions |
| 328 | */ |
| 329 | |
| 330 | int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); |
| 331 | void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 332 | int acpi_bus_get_status(struct acpi_device *device); |
| 333 | int acpi_bus_get_power(acpi_handle handle, int *state); |
| 334 | int acpi_bus_set_power(acpi_handle handle, int state); |
Len Brown | 14e04fb3 | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 335 | #ifdef CONFIG_ACPI_PROC_EVENT |
| 336 | int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data); |
Alexey Starikovskiy | 8db85d4 | 2007-09-26 19:43:16 +0400 | [diff] [blame] | 337 | int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 338 | int acpi_bus_receive_event(struct acpi_bus_event *event); |
Len Brown | 14e04fb3 | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 339 | #else |
| 340 | static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data) |
| 341 | { return 0; } |
| 342 | #endif |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 343 | int acpi_bus_register_driver(struct acpi_driver *driver); |
Bjorn Helgaas | 06ea8e08 | 2006-04-27 05:25:00 -0400 | [diff] [blame] | 344 | void acpi_bus_unregister_driver(struct acpi_driver *driver); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 345 | int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent, |
| 346 | acpi_handle handle, int type); |
Kristen Accardi | ceaba663 | 2006-02-23 17:56:01 -0800 | [diff] [blame] | 347 | int acpi_bus_trim(struct acpi_device *start, int rmdevice); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 348 | int acpi_bus_start(struct acpi_device *device); |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 349 | acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); |
Thomas Renninger | 8c8eb78 | 2007-07-23 14:43:32 +0200 | [diff] [blame] | 350 | int acpi_match_device_ids(struct acpi_device *device, |
| 351 | const struct acpi_device_id *ids); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 352 | int acpi_create_dir(struct acpi_device *); |
| 353 | void acpi_remove_dir(struct acpi_device *); |
| 354 | |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 355 | /* |
| 356 | * Bind physical devices with ACPI devices |
| 357 | */ |
| 358 | #include <linux/device.h> |
| 359 | struct acpi_bus_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 360 | struct list_head list; |
| 361 | struct bus_type *bus; |
| 362 | /* For general devices under the bus */ |
| 363 | int (*find_device) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 364 | /* For bridges, such as PCI root bridge, IDE controller */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 365 | int (*find_bridge) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 366 | }; |
| 367 | int register_acpi_bus_type(struct acpi_bus_type *); |
| 368 | int unregister_acpi_bus_type(struct acpi_bus_type *); |
| 369 | struct device *acpi_get_physical_device(acpi_handle); |
| 370 | /* helper */ |
| 371 | acpi_handle acpi_get_child(acpi_handle, acpi_integer); |
| 372 | acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); |
Benjamin Herrenschmidt | 465ae64 | 2006-11-11 17:18:42 +1100 | [diff] [blame] | 373 | #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle)) |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 374 | |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 375 | #ifdef CONFIG_PM_SLEEP |
Shaohua Li | fd4aff1 | 2007-07-17 22:40:25 +0200 | [diff] [blame] | 376 | int acpi_pm_device_sleep_state(struct device *, int, int *); |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 377 | #else /* !CONFIG_PM_SLEEP */ |
| 378 | static inline int acpi_pm_device_sleep_state(struct device *d, int w, int *p) |
| 379 | { |
| 380 | if (p) |
| 381 | *p = ACPI_STATE_D0; |
| 382 | return ACPI_STATE_D3; |
| 383 | } |
| 384 | #endif /* !CONFIG_PM_SLEEP */ |
Shaohua Li | fd4aff1 | 2007-07-17 22:40:25 +0200 | [diff] [blame] | 385 | |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 386 | #endif /* CONFIG_ACPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 387 | |
| 388 | #endif /*__ACPI_BUS_H__*/ |