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 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 33 | /* TBD: Make dynamic */ |
| 34 | #define ACPI_MAX_HANDLES 10 |
| 35 | struct acpi_handle_list { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 36 | u32 count; |
| 37 | acpi_handle handles[ACPI_MAX_HANDLES]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 38 | }; |
| 39 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 40 | /* acpi_utils.h */ |
| 41 | acpi_status |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 42 | acpi_extract_package(union acpi_object *package, |
| 43 | struct acpi_buffer *format, struct acpi_buffer *buffer); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 44 | acpi_status |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 45 | acpi_evaluate_integer(acpi_handle handle, |
| 46 | acpi_string pathname, |
Matthew Wilcox | 27663c5 | 2008-10-10 02:22:59 -0400 | [diff] [blame] | 47 | struct acpi_object_list *arguments, unsigned long long *data); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 48 | acpi_status |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 49 | acpi_evaluate_reference(acpi_handle handle, |
| 50 | acpi_string pathname, |
| 51 | struct acpi_object_list *arguments, |
| 52 | struct acpi_handle_list *list); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 53 | |
Len Brown | 76f5858 | 2005-08-24 12:10:49 -0400 | [diff] [blame] | 54 | #ifdef CONFIG_ACPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 55 | |
| 56 | #include <linux/proc_fs.h> |
| 57 | |
| 58 | #define ACPI_BUS_FILE_ROOT "acpi" |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 59 | extern struct proc_dir_entry *acpi_root_dir; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | |
| 61 | enum acpi_bus_removal_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 62 | ACPI_BUS_REMOVAL_NORMAL = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 63 | ACPI_BUS_REMOVAL_EJECT, |
| 64 | ACPI_BUS_REMOVAL_SUPRISE, |
| 65 | ACPI_BUS_REMOVAL_TYPE_COUNT |
| 66 | }; |
| 67 | |
| 68 | enum acpi_bus_device_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 69 | ACPI_BUS_TYPE_DEVICE = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | ACPI_BUS_TYPE_POWER, |
| 71 | ACPI_BUS_TYPE_PROCESSOR, |
| 72 | ACPI_BUS_TYPE_THERMAL, |
| 73 | ACPI_BUS_TYPE_SYSTEM, |
| 74 | ACPI_BUS_TYPE_POWER_BUTTON, |
| 75 | ACPI_BUS_TYPE_SLEEP_BUTTON, |
| 76 | ACPI_BUS_DEVICE_TYPE_COUNT |
| 77 | }; |
| 78 | |
| 79 | struct acpi_driver; |
| 80 | struct acpi_device; |
| 81 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 82 | /* |
| 83 | * ACPI Driver |
| 84 | * ----------- |
| 85 | */ |
| 86 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 87 | typedef int (*acpi_op_add) (struct acpi_device * device); |
| 88 | typedef int (*acpi_op_remove) (struct acpi_device * device, int type); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 89 | typedef int (*acpi_op_start) (struct acpi_device * device); |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 90 | typedef int (*acpi_op_suspend) (struct acpi_device * device, |
| 91 | pm_message_t state); |
Patrick Mochel | 5d9464a | 2006-12-07 20:56:27 +0800 | [diff] [blame] | 92 | typedef int (*acpi_op_resume) (struct acpi_device * device); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 93 | typedef int (*acpi_op_bind) (struct acpi_device * device); |
| 94 | typedef int (*acpi_op_unbind) (struct acpi_device * device); |
Bjorn Helgaas | 46ec859 | 2009-03-30 17:48:13 +0000 | [diff] [blame] | 95 | typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 96 | |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 97 | struct acpi_bus_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 98 | u32 acpi_op_add:1; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 99 | u32 acpi_op_start:1; |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 100 | }; |
| 101 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 102 | struct acpi_device_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 103 | acpi_op_add add; |
| 104 | acpi_op_remove remove; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 105 | acpi_op_start start; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 106 | acpi_op_suspend suspend; |
| 107 | acpi_op_resume resume; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 108 | acpi_op_bind bind; |
| 109 | acpi_op_unbind unbind; |
Bjorn Helgaas | 46ec859 | 2009-03-30 17:48:13 +0000 | [diff] [blame] | 110 | acpi_op_notify notify; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 111 | }; |
| 112 | |
Bjorn Helgaas | 6d27813 | 2009-04-30 09:35:37 -0600 | [diff] [blame] | 113 | #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */ |
| 114 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 115 | struct acpi_driver { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 116 | char name[80]; |
| 117 | char class[80]; |
Thomas Renninger | 8c8eb78 | 2007-07-23 14:43:32 +0200 | [diff] [blame] | 118 | const struct acpi_device_id *ids; /* Supported Hardware IDs */ |
Bjorn Helgaas | 6d27813 | 2009-04-30 09:35:37 -0600 | [diff] [blame] | 119 | unsigned int flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 120 | struct acpi_device_ops ops; |
Patrick Mochel | d43ec68 | 2006-12-07 20:56:23 +0800 | [diff] [blame] | 121 | struct device_driver drv; |
Patrick Mochel | 1890a97 | 2006-12-07 20:56:31 +0800 | [diff] [blame] | 122 | struct module *owner; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 123 | }; |
| 124 | |
| 125 | /* |
| 126 | * ACPI Device |
| 127 | * ----------- |
| 128 | */ |
| 129 | |
| 130 | /* Status (_STA) */ |
| 131 | |
| 132 | struct acpi_device_status { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 133 | u32 present:1; |
| 134 | u32 enabled:1; |
| 135 | u32 show_in_ui:1; |
| 136 | u32 functional:1; |
| 137 | u32 battery_present:1; |
| 138 | u32 reserved:27; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 139 | }; |
| 140 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 141 | /* Flags */ |
| 142 | |
| 143 | struct acpi_device_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 144 | u32 dynamic_status:1; |
| 145 | u32 hardware_id:1; |
| 146 | u32 compatible_ids:1; |
| 147 | u32 bus_address:1; |
| 148 | u32 unique_id:1; |
| 149 | u32 removable:1; |
| 150 | u32 ejectable:1; |
| 151 | u32 lockable:1; |
| 152 | u32 suprise_removal_ok:1; |
| 153 | u32 power_manageable:1; |
| 154 | u32 performance_manageable:1; |
| 155 | u32 wake_capable:1; /* Wakeup(_PRW) supported? */ |
Len Brown | ec68373 | 2008-01-23 22:41:20 -0500 | [diff] [blame] | 156 | u32 force_power_state:1; |
| 157 | u32 reserved:19; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | }; |
| 159 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 160 | /* File System */ |
| 161 | |
| 162 | struct acpi_device_dir { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 163 | struct proc_dir_entry *entry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 164 | }; |
| 165 | |
| 166 | #define acpi_device_dir(d) ((d)->dir.entry) |
| 167 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | /* Plug and Play */ |
| 169 | |
Zhao Yakui | 24c5c4c | 2009-05-21 16:25:35 +0800 | [diff] [blame] | 170 | typedef char acpi_bus_id[8]; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 171 | typedef unsigned long acpi_bus_address; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 172 | typedef char acpi_device_name[40]; |
| 173 | typedef char acpi_device_class[20]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | |
| 175 | struct acpi_device_pnp { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 176 | acpi_bus_id bus_id; /* Object name */ |
| 177 | acpi_bus_address bus_address; /* _ADR */ |
Bob Moore | 15b8dd5 | 2009-06-29 13:39:29 +0800 | [diff] [blame] | 178 | char *hardware_id; /* _HID */ |
| 179 | struct acpica_device_id_list *cid_list; /* _CIDs */ |
| 180 | char *unique_id; /* _UID */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 181 | acpi_device_name device_name; /* Driver-determined */ |
| 182 | acpi_device_class device_class; /* " */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 183 | }; |
| 184 | |
| 185 | #define acpi_device_bid(d) ((d)->pnp.bus_id) |
| 186 | #define acpi_device_adr(d) ((d)->pnp.bus_address) |
| 187 | #define acpi_device_hid(d) ((d)->pnp.hardware_id) |
| 188 | #define acpi_device_uid(d) ((d)->pnp.unique_id) |
| 189 | #define acpi_device_name(d) ((d)->pnp.device_name) |
| 190 | #define acpi_device_class(d) ((d)->pnp.device_class) |
| 191 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 192 | /* Power Management */ |
| 193 | |
| 194 | struct acpi_device_power_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 195 | u32 explicit_get:1; /* _PSC present? */ |
| 196 | u32 power_resources:1; /* Power resources */ |
| 197 | u32 inrush_current:1; /* Serialize Dx->D0 */ |
| 198 | u32 power_removed:1; /* Optimize Dx->D0 */ |
| 199 | u32 reserved:28; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 200 | }; |
| 201 | |
| 202 | struct acpi_device_power_state { |
| 203 | struct { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 204 | u8 valid:1; |
| 205 | u8 explicit_set:1; /* _PSx present? */ |
| 206 | u8 reserved:6; |
| 207 | } flags; |
| 208 | int power; /* % Power (compared to D0) */ |
| 209 | int latency; /* Dx->D0 time (microseconds) */ |
| 210 | struct acpi_handle_list resources; /* Power resources referenced */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 211 | }; |
| 212 | |
| 213 | struct acpi_device_power { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 214 | int state; /* Current state */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 215 | struct acpi_device_power_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 216 | struct acpi_device_power_state states[4]; /* Power states (D0-D3) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 217 | }; |
| 218 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 219 | /* Performance Management */ |
| 220 | |
| 221 | struct acpi_device_perf_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 222 | u8 reserved:8; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 223 | }; |
| 224 | |
| 225 | struct acpi_device_perf_state { |
| 226 | struct { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 227 | u8 valid:1; |
| 228 | u8 reserved:7; |
| 229 | } flags; |
| 230 | u8 power; /* % Power (compared to P0) */ |
| 231 | u8 performance; /* % Performance ( " ) */ |
| 232 | int latency; /* Px->P0 time (microseconds) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 233 | }; |
| 234 | |
| 235 | struct acpi_device_perf { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 236 | int state; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 237 | struct acpi_device_perf_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 238 | int state_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 239 | struct acpi_device_perf_state *states; |
| 240 | }; |
| 241 | |
| 242 | /* Wakeup Management */ |
| 243 | struct acpi_device_wakeup_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 244 | u8 valid:1; /* Can successfully enable wakeup? */ |
| 245 | u8 run_wake:1; /* Run-Wake GPE devices */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | }; |
| 247 | |
| 248 | struct acpi_device_wakeup_state { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 249 | u8 enabled:1; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 250 | }; |
| 251 | |
| 252 | struct acpi_device_wakeup { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 253 | acpi_handle gpe_device; |
Alexey Dobriyan | 53b3531 | 2006-03-24 03:16:13 -0800 | [diff] [blame] | 254 | acpi_integer gpe_number; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 255 | acpi_integer sleep_state; |
| 256 | struct acpi_handle_list resources; |
| 257 | struct acpi_device_wakeup_state state; |
| 258 | struct acpi_device_wakeup_flags flags; |
Rafael J. Wysocki | 9b83ccd | 2009-09-08 23:15:31 +0200 | [diff] [blame] | 259 | int prepare_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 260 | }; |
| 261 | |
| 262 | /* Device */ |
| 263 | |
| 264 | struct acpi_device { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 265 | acpi_handle handle; |
| 266 | struct acpi_device *parent; |
| 267 | struct list_head children; |
| 268 | struct list_head node; |
| 269 | struct list_head wakeup_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 270 | struct acpi_device_status status; |
| 271 | struct acpi_device_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 272 | struct acpi_device_pnp pnp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 273 | struct acpi_device_power power; |
| 274 | struct acpi_device_wakeup wakeup; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 275 | struct acpi_device_perf performance; |
| 276 | struct acpi_device_dir dir; |
| 277 | struct acpi_device_ops ops; |
| 278 | struct acpi_driver *driver; |
| 279 | void *driver_data; |
Patrick Mochel | 5b32726 | 2006-05-10 10:33:00 -0400 | [diff] [blame] | 280 | struct device dev; |
Li Shaohua | c4168bf | 2006-12-07 20:56:41 +0800 | [diff] [blame] | 281 | 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] | 282 | enum acpi_bus_removal_type removal_type; /* indicate for different removal type */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 283 | }; |
| 284 | |
Pavel Machek | db89b4f | 2008-09-22 14:37:34 -0700 | [diff] [blame] | 285 | static inline void *acpi_driver_data(struct acpi_device *d) |
| 286 | { |
| 287 | return d->driver_data; |
| 288 | } |
| 289 | |
Patrick Mochel | d43ec68 | 2006-12-07 20:56:23 +0800 | [diff] [blame] | 290 | #define to_acpi_device(d) container_of(d, struct acpi_device, dev) |
| 291 | #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | |
David Brownell | 55955aa | 2007-05-08 00:28:35 -0700 | [diff] [blame] | 293 | /* acpi_device.dev.bus == &acpi_bus_type */ |
| 294 | extern struct bus_type acpi_bus_type; |
| 295 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 296 | /* |
| 297 | * Events |
| 298 | * ------ |
| 299 | */ |
| 300 | |
| 301 | struct acpi_bus_event { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 302 | struct list_head node; |
| 303 | acpi_device_class device_class; |
| 304 | acpi_bus_id bus_id; |
| 305 | u32 type; |
| 306 | u32 data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 307 | }; |
| 308 | |
Greg Kroah-Hartman | 99e0d2f | 2007-11-02 16:19:59 -0700 | [diff] [blame] | 309 | extern struct kobject *acpi_kobj; |
Zhang Rui | 962ce8c | 2007-08-23 01:24:31 +0800 | [diff] [blame] | 310 | extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); |
Bob Moore | 8e4319c | 2009-06-29 13:43:27 +0800 | [diff] [blame] | 311 | void acpi_bus_private_data_handler(acpi_handle, void *); |
Zhang Rui | 2073393 | 2008-01-17 15:51:21 +0800 | [diff] [blame] | 312 | int acpi_bus_get_private_data(acpi_handle, void **); |
Zhang Rui | 9ee8524 | 2008-01-25 14:48:06 +0800 | [diff] [blame] | 313 | extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); |
| 314 | extern int register_acpi_notifier(struct notifier_block *); |
| 315 | extern int unregister_acpi_notifier(struct notifier_block *); |
Shaohua Li | 6bd00a6 | 2008-08-28 10:04:29 +0800 | [diff] [blame] | 316 | |
| 317 | extern int register_acpi_bus_notifier(struct notifier_block *nb); |
| 318 | extern void unregister_acpi_bus_notifier(struct notifier_block *nb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 319 | /* |
| 320 | * External Functions |
| 321 | */ |
| 322 | |
| 323 | int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); |
Bob Moore | 8e4319c | 2009-06-29 13:43:27 +0800 | [diff] [blame] | 324 | void acpi_bus_data_handler(acpi_handle handle, void *context); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 325 | int acpi_bus_get_status(struct acpi_device *device); |
| 326 | int acpi_bus_get_power(acpi_handle handle, int *state); |
| 327 | int acpi_bus_set_power(acpi_handle handle, int state); |
Rafael J. Wysocki | 3737b2b | 2008-07-07 03:30:55 +0200 | [diff] [blame] | 328 | bool acpi_bus_power_manageable(acpi_handle handle); |
Rafael J. Wysocki | eb9d0fe | 2008-07-07 03:34:48 +0200 | [diff] [blame] | 329 | bool acpi_bus_can_wakeup(acpi_handle handle); |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 330 | #ifdef CONFIG_ACPI_PROC_EVENT |
| 331 | 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] | 332 | 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] | 333 | int acpi_bus_receive_event(struct acpi_bus_event *event); |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 334 | #else |
| 335 | static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data) |
| 336 | { return 0; } |
| 337 | #endif |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 338 | int acpi_bus_register_driver(struct acpi_driver *driver); |
Bjorn Helgaas | 06ea8e0 | 2006-04-27 05:25:00 -0400 | [diff] [blame] | 339 | void acpi_bus_unregister_driver(struct acpi_driver *driver); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 340 | int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent, |
| 341 | acpi_handle handle, int type); |
Kristen Accardi | ceaba66 | 2006-02-23 17:56:01 -0800 | [diff] [blame] | 342 | int acpi_bus_trim(struct acpi_device *start, int rmdevice); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 343 | int acpi_bus_start(struct acpi_device *device); |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 344 | acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); |
Thomas Renninger | 8c8eb78 | 2007-07-23 14:43:32 +0200 | [diff] [blame] | 345 | int acpi_match_device_ids(struct acpi_device *device, |
| 346 | const struct acpi_device_id *ids); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 347 | int acpi_create_dir(struct acpi_device *); |
| 348 | void acpi_remove_dir(struct acpi_device *); |
| 349 | |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 350 | /* |
| 351 | * Bind physical devices with ACPI devices |
| 352 | */ |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 353 | struct acpi_bus_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 354 | struct list_head list; |
| 355 | struct bus_type *bus; |
| 356 | /* For general devices under the bus */ |
| 357 | int (*find_device) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 358 | /* For bridges, such as PCI root bridge, IDE controller */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 359 | int (*find_bridge) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 360 | }; |
| 361 | int register_acpi_bus_type(struct acpi_bus_type *); |
| 362 | int unregister_acpi_bus_type(struct acpi_bus_type *); |
| 363 | struct device *acpi_get_physical_device(acpi_handle); |
Thomas Renninger | 22c13f9 | 2008-08-01 17:37:54 +0200 | [diff] [blame] | 364 | |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 365 | struct acpi_pci_root { |
| 366 | struct list_head node; |
| 367 | struct acpi_device * device; |
| 368 | struct acpi_pci_id id; |
| 369 | struct pci_bus *bus; |
| 370 | u16 segment; |
| 371 | u8 bus_nr; |
| 372 | |
| 373 | u32 osc_support_set; /* _OSC state of support bits */ |
| 374 | u32 osc_control_set; /* _OSC state of control bits */ |
| 375 | u32 osc_control_qry; /* the latest _OSC query result */ |
| 376 | |
| 377 | u32 osc_queried:1; /* has _OSC control been queried? */ |
| 378 | }; |
| 379 | |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 380 | /* helper */ |
| 381 | acpi_handle acpi_get_child(acpi_handle, acpi_integer); |
Alexander Chiang | 2755820 | 2009-06-10 19:55:14 +0000 | [diff] [blame] | 382 | int acpi_is_root_bridge(acpi_handle); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 383 | acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 384 | struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); |
Benjamin Herrenschmidt | 465ae64 | 2006-11-11 17:18:42 +1100 | [diff] [blame] | 385 | #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle)) |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 386 | |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 387 | #ifdef CONFIG_PM_SLEEP |
David Brownell | 0616678 | 2008-06-05 01:15:40 +0200 | [diff] [blame] | 388 | int acpi_pm_device_sleep_state(struct device *, int *); |
Rafael J. Wysocki | eb9d0fe | 2008-07-07 03:34:48 +0200 | [diff] [blame] | 389 | int acpi_pm_device_sleep_wake(struct device *, bool); |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 390 | #else /* !CONFIG_PM_SLEEP */ |
David Brownell | 0616678 | 2008-06-05 01:15:40 +0200 | [diff] [blame] | 391 | static inline int acpi_pm_device_sleep_state(struct device *d, int *p) |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 392 | { |
| 393 | if (p) |
| 394 | *p = ACPI_STATE_D0; |
| 395 | return ACPI_STATE_D3; |
| 396 | } |
David Howells | f7a1b86 | 2008-07-08 15:00:54 +0100 | [diff] [blame] | 397 | static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) |
| 398 | { |
| 399 | return -ENODEV; |
| 400 | } |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 401 | #endif /* !CONFIG_PM_SLEEP */ |
Shaohua Li | fd4aff1 | 2007-07-17 22:40:25 +0200 | [diff] [blame] | 402 | |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 403 | #endif /* CONFIG_ACPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 404 | |
| 405 | #endif /*__ACPI_BUS_H__*/ |