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, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 73 | ACPI_BUS_TYPE_POWER_BUTTON, |
| 74 | ACPI_BUS_TYPE_SLEEP_BUTTON, |
| 75 | ACPI_BUS_DEVICE_TYPE_COUNT |
| 76 | }; |
| 77 | |
| 78 | struct acpi_driver; |
| 79 | struct acpi_device; |
| 80 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 81 | /* |
| 82 | * ACPI Driver |
| 83 | * ----------- |
| 84 | */ |
| 85 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 86 | typedef int (*acpi_op_add) (struct acpi_device * device); |
| 87 | typedef int (*acpi_op_remove) (struct acpi_device * device, int type); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 88 | typedef int (*acpi_op_start) (struct acpi_device * device); |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 89 | typedef int (*acpi_op_suspend) (struct acpi_device * device, |
| 90 | pm_message_t state); |
Patrick Mochel | 5d9464a | 2006-12-07 20:56:27 +0800 | [diff] [blame] | 91 | typedef int (*acpi_op_resume) (struct acpi_device * device); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 92 | typedef int (*acpi_op_bind) (struct acpi_device * device); |
| 93 | typedef int (*acpi_op_unbind) (struct acpi_device * device); |
Bjorn Helgaas | 46ec859 | 2009-03-30 17:48:13 +0000 | [diff] [blame] | 94 | typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 95 | |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 96 | struct acpi_bus_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 97 | u32 acpi_op_add:1; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 98 | u32 acpi_op_start:1; |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 99 | }; |
| 100 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 101 | struct acpi_device_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 102 | acpi_op_add add; |
| 103 | acpi_op_remove remove; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 104 | acpi_op_start start; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 105 | acpi_op_suspend suspend; |
| 106 | acpi_op_resume resume; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 107 | acpi_op_bind bind; |
| 108 | acpi_op_unbind unbind; |
Bjorn Helgaas | 46ec859 | 2009-03-30 17:48:13 +0000 | [diff] [blame] | 109 | acpi_op_notify notify; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 110 | }; |
| 111 | |
Bjorn Helgaas | 6d27813 | 2009-04-30 09:35:37 -0600 | [diff] [blame] | 112 | #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */ |
| 113 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 114 | struct acpi_driver { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 115 | char name[80]; |
| 116 | char class[80]; |
Thomas Renninger | 8c8eb78 | 2007-07-23 14:43:32 +0200 | [diff] [blame] | 117 | const struct acpi_device_id *ids; /* Supported Hardware IDs */ |
Bjorn Helgaas | 6d27813 | 2009-04-30 09:35:37 -0600 | [diff] [blame] | 118 | unsigned int flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 119 | struct acpi_device_ops ops; |
Patrick Mochel | d43ec68 | 2006-12-07 20:56:23 +0800 | [diff] [blame] | 120 | struct device_driver drv; |
Patrick Mochel | 1890a97 | 2006-12-07 20:56:31 +0800 | [diff] [blame] | 121 | struct module *owner; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 122 | }; |
| 123 | |
| 124 | /* |
| 125 | * ACPI Device |
| 126 | * ----------- |
| 127 | */ |
| 128 | |
| 129 | /* Status (_STA) */ |
| 130 | |
| 131 | struct acpi_device_status { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 132 | u32 present:1; |
| 133 | u32 enabled:1; |
| 134 | u32 show_in_ui:1; |
| 135 | u32 functional:1; |
| 136 | u32 battery_present:1; |
| 137 | u32 reserved:27; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 138 | }; |
| 139 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 140 | /* Flags */ |
| 141 | |
| 142 | struct acpi_device_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 143 | u32 dynamic_status:1; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 144 | u32 bus_address:1; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 145 | u32 removable:1; |
| 146 | u32 ejectable:1; |
| 147 | u32 lockable:1; |
| 148 | u32 suprise_removal_ok:1; |
| 149 | u32 power_manageable:1; |
| 150 | u32 performance_manageable:1; |
Rafael J. Wysocki | d57d09a | 2011-01-06 23:41:27 +0100 | [diff] [blame] | 151 | u32 reserved:24; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 152 | }; |
| 153 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 154 | /* File System */ |
| 155 | |
| 156 | struct acpi_device_dir { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 157 | struct proc_dir_entry *entry; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 158 | }; |
| 159 | |
| 160 | #define acpi_device_dir(d) ((d)->dir.entry) |
| 161 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 162 | /* Plug and Play */ |
| 163 | |
Zhao Yakui | 24c5c4c | 2009-05-21 16:25:35 +0800 | [diff] [blame] | 164 | typedef char acpi_bus_id[8]; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 165 | typedef unsigned long acpi_bus_address; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 166 | typedef char acpi_device_name[40]; |
| 167 | typedef char acpi_device_class[20]; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 168 | |
Bjorn Helgaas | 7f47fa6 | 2009-09-21 13:35:19 -0600 | [diff] [blame] | 169 | struct acpi_hardware_id { |
| 170 | struct list_head list; |
| 171 | char *id; |
| 172 | }; |
| 173 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 174 | struct acpi_device_pnp { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 175 | acpi_bus_id bus_id; /* Object name */ |
| 176 | acpi_bus_address bus_address; /* _ADR */ |
Bob Moore | 15b8dd5 | 2009-06-29 13:39:29 +0800 | [diff] [blame] | 177 | char *unique_id; /* _UID */ |
Bjorn Helgaas | 7f47fa6 | 2009-09-21 13:35:19 -0600 | [diff] [blame] | 178 | struct list_head ids; /* _HID and _CIDs */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 179 | acpi_device_name device_name; /* Driver-determined */ |
| 180 | acpi_device_class device_class; /* " */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 181 | }; |
| 182 | |
| 183 | #define acpi_device_bid(d) ((d)->pnp.bus_id) |
| 184 | #define acpi_device_adr(d) ((d)->pnp.bus_address) |
Thomas Renninger | 620e112 | 2010-10-01 10:54:00 +0200 | [diff] [blame] | 185 | const char *acpi_device_hid(struct acpi_device *device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 186 | #define acpi_device_name(d) ((d)->pnp.device_name) |
| 187 | #define acpi_device_class(d) ((d)->pnp.device_class) |
| 188 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 189 | /* Power Management */ |
| 190 | |
| 191 | struct acpi_device_power_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 192 | u32 explicit_get:1; /* _PSC present? */ |
| 193 | u32 power_resources:1; /* Power resources */ |
| 194 | u32 inrush_current:1; /* Serialize Dx->D0 */ |
| 195 | u32 power_removed:1; /* Optimize Dx->D0 */ |
| 196 | u32 reserved:28; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 197 | }; |
| 198 | |
| 199 | struct acpi_device_power_state { |
| 200 | struct { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 201 | u8 valid:1; |
| 202 | u8 explicit_set:1; /* _PSx present? */ |
| 203 | u8 reserved:6; |
| 204 | } flags; |
| 205 | int power; /* % Power (compared to D0) */ |
| 206 | int latency; /* Dx->D0 time (microseconds) */ |
| 207 | struct acpi_handle_list resources; /* Power resources referenced */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 208 | }; |
| 209 | |
| 210 | struct acpi_device_power { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 211 | int state; /* Current state */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 212 | struct acpi_device_power_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 213 | struct acpi_device_power_state states[4]; /* Power states (D0-D3) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 214 | }; |
| 215 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 216 | /* Performance Management */ |
| 217 | |
| 218 | struct acpi_device_perf_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 219 | u8 reserved:8; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 220 | }; |
| 221 | |
| 222 | struct acpi_device_perf_state { |
| 223 | struct { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 224 | u8 valid:1; |
| 225 | u8 reserved:7; |
| 226 | } flags; |
| 227 | u8 power; /* % Power (compared to P0) */ |
| 228 | u8 performance; /* % Performance ( " ) */ |
| 229 | int latency; /* Px->P0 time (microseconds) */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 230 | }; |
| 231 | |
| 232 | struct acpi_device_perf { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 233 | int state; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 234 | struct acpi_device_perf_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 235 | int state_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 236 | struct acpi_device_perf_state *states; |
| 237 | }; |
| 238 | |
| 239 | /* Wakeup Management */ |
| 240 | struct acpi_device_wakeup_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 241 | u8 valid:1; /* Can successfully enable wakeup? */ |
| 242 | u8 run_wake:1; /* Run-Wake GPE devices */ |
Rafael J. Wysocki | b67ea76 | 2010-02-17 23:44:09 +0100 | [diff] [blame] | 243 | u8 notifier_present:1; /* Wake-up notify handler has been installed */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 244 | }; |
| 245 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 246 | struct acpi_device_wakeup { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 247 | acpi_handle gpe_device; |
Lin Ming | 439913f | 2010-01-28 10:53:19 +0800 | [diff] [blame] | 248 | u64 gpe_number; |
| 249 | u64 sleep_state; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 250 | struct acpi_handle_list resources; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 251 | struct acpi_device_wakeup_flags flags; |
Rafael J. Wysocki | 9b83ccd | 2009-09-08 23:15:31 +0200 | [diff] [blame] | 252 | int prepare_count; |
Rafael J. Wysocki | f517709 | 2010-02-17 23:41:49 +0100 | [diff] [blame] | 253 | int run_wake_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 254 | }; |
| 255 | |
| 256 | /* Device */ |
| 257 | |
| 258 | struct acpi_device { |
Bjorn Helgaas | caaa6ef | 2009-09-21 19:29:10 +0000 | [diff] [blame] | 259 | int device_type; |
| 260 | acpi_handle handle; /* no handle for fixed hardware */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 261 | struct acpi_device *parent; |
| 262 | struct list_head children; |
| 263 | struct list_head node; |
| 264 | struct list_head wakeup_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 265 | struct acpi_device_status status; |
| 266 | struct acpi_device_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 267 | struct acpi_device_pnp pnp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | struct acpi_device_power power; |
| 269 | struct acpi_device_wakeup wakeup; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 270 | struct acpi_device_perf performance; |
| 271 | struct acpi_device_dir dir; |
| 272 | struct acpi_device_ops ops; |
| 273 | struct acpi_driver *driver; |
| 274 | void *driver_data; |
Patrick Mochel | 5b32726 | 2006-05-10 10:33:00 -0400 | [diff] [blame] | 275 | struct device dev; |
Li Shaohua | c4168bf | 2006-12-07 20:56:41 +0800 | [diff] [blame] | 276 | 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] | 277 | enum acpi_bus_removal_type removal_type; /* indicate for different removal type */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | }; |
| 279 | |
Pavel Machek | db89b4f | 2008-09-22 14:37:34 -0700 | [diff] [blame] | 280 | static inline void *acpi_driver_data(struct acpi_device *d) |
| 281 | { |
| 282 | return d->driver_data; |
| 283 | } |
| 284 | |
Patrick Mochel | d43ec68 | 2006-12-07 20:56:23 +0800 | [diff] [blame] | 285 | #define to_acpi_device(d) container_of(d, struct acpi_device, dev) |
| 286 | #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 287 | |
David Brownell | 55955aa | 2007-05-08 00:28:35 -0700 | [diff] [blame] | 288 | /* acpi_device.dev.bus == &acpi_bus_type */ |
| 289 | extern struct bus_type acpi_bus_type; |
| 290 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 291 | /* |
| 292 | * Events |
| 293 | * ------ |
| 294 | */ |
| 295 | |
| 296 | struct acpi_bus_event { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 297 | struct list_head node; |
| 298 | acpi_device_class device_class; |
| 299 | acpi_bus_id bus_id; |
| 300 | u32 type; |
| 301 | u32 data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 302 | }; |
| 303 | |
Greg Kroah-Hartman | 99e0d2f | 2007-11-02 16:19:59 -0700 | [diff] [blame] | 304 | extern struct kobject *acpi_kobj; |
Zhang Rui | 962ce8c | 2007-08-23 01:24:31 +0800 | [diff] [blame] | 305 | 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] | 306 | void acpi_bus_private_data_handler(acpi_handle, void *); |
Zhang Rui | 2073393 | 2008-01-17 15:51:21 +0800 | [diff] [blame] | 307 | int acpi_bus_get_private_data(acpi_handle, void **); |
Zhang Rui | 9ee8524 | 2008-01-25 14:48:06 +0800 | [diff] [blame] | 308 | extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); |
| 309 | extern int register_acpi_notifier(struct notifier_block *); |
| 310 | extern int unregister_acpi_notifier(struct notifier_block *); |
Shaohua Li | 6bd00a6 | 2008-08-28 10:04:29 +0800 | [diff] [blame] | 311 | |
| 312 | extern int register_acpi_bus_notifier(struct notifier_block *nb); |
| 313 | extern void unregister_acpi_bus_notifier(struct notifier_block *nb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 314 | /* |
| 315 | * External Functions |
| 316 | */ |
| 317 | |
| 318 | int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); |
Bob Moore | 8e4319c | 2009-06-29 13:43:27 +0800 | [diff] [blame] | 319 | void acpi_bus_data_handler(acpi_handle handle, void *context); |
Bjorn Helgaas | 402ac53 | 2009-09-21 19:30:01 +0000 | [diff] [blame] | 320 | acpi_status acpi_bus_get_status_handle(acpi_handle handle, |
| 321 | unsigned long long *sta); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 322 | int acpi_bus_get_status(struct acpi_device *device); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 323 | int acpi_bus_set_power(acpi_handle handle, int state); |
Rafael J. Wysocki | 25eed40 | 2010-11-25 00:09:15 +0100 | [diff] [blame] | 324 | int acpi_bus_update_power(acpi_handle handle, int *state_p); |
Rafael J. Wysocki | 3737b2b | 2008-07-07 03:30:55 +0200 | [diff] [blame] | 325 | bool acpi_bus_power_manageable(acpi_handle handle); |
Rafael J. Wysocki | eb9d0fe | 2008-07-07 03:34:48 +0200 | [diff] [blame] | 326 | bool acpi_bus_can_wakeup(acpi_handle handle); |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 327 | #ifdef CONFIG_ACPI_PROC_EVENT |
| 328 | 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] | 329 | 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] | 330 | int acpi_bus_receive_event(struct acpi_bus_event *event); |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 331 | #else |
| 332 | static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data) |
| 333 | { return 0; } |
| 334 | #endif |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 335 | int acpi_bus_register_driver(struct acpi_driver *driver); |
Bjorn Helgaas | 06ea8e08 | 2006-04-27 05:25:00 -0400 | [diff] [blame] | 336 | void acpi_bus_unregister_driver(struct acpi_driver *driver); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 337 | int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent, |
| 338 | acpi_handle handle, int type); |
Kristen Accardi | ceaba66 | 2006-02-23 17:56:01 -0800 | [diff] [blame] | 339 | int acpi_bus_trim(struct acpi_device *start, int rmdevice); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 340 | int acpi_bus_start(struct acpi_device *device); |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 341 | acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); |
Thomas Renninger | 8c8eb78 | 2007-07-23 14:43:32 +0200 | [diff] [blame] | 342 | int acpi_match_device_ids(struct acpi_device *device, |
| 343 | const struct acpi_device_id *ids); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 344 | int acpi_create_dir(struct acpi_device *); |
| 345 | void acpi_remove_dir(struct acpi_device *); |
| 346 | |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 347 | /* |
| 348 | * Bind physical devices with ACPI devices |
| 349 | */ |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 350 | struct acpi_bus_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 351 | struct list_head list; |
| 352 | struct bus_type *bus; |
| 353 | /* For general devices under the bus */ |
| 354 | int (*find_device) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 355 | /* For bridges, such as PCI root bridge, IDE controller */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 356 | int (*find_bridge) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 357 | }; |
| 358 | int register_acpi_bus_type(struct acpi_bus_type *); |
| 359 | int unregister_acpi_bus_type(struct acpi_bus_type *); |
| 360 | struct device *acpi_get_physical_device(acpi_handle); |
Thomas Renninger | 22c13f9 | 2008-08-01 17:37:54 +0200 | [diff] [blame] | 361 | |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 362 | struct acpi_pci_root { |
| 363 | struct list_head node; |
| 364 | struct acpi_device * device; |
| 365 | struct acpi_pci_id id; |
| 366 | struct pci_bus *bus; |
| 367 | u16 segment; |
Bjorn Helgaas | 6ad9551 | 2010-03-11 12:20:06 -0700 | [diff] [blame] | 368 | struct resource secondary; /* downstream bus range */ |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 369 | |
| 370 | u32 osc_support_set; /* _OSC state of support bits */ |
| 371 | u32 osc_control_set; /* _OSC state of control bits */ |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 372 | }; |
| 373 | |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 374 | /* helper */ |
Lin Ming | 439913f | 2010-01-28 10:53:19 +0800 | [diff] [blame] | 375 | acpi_handle acpi_get_child(acpi_handle, u64); |
Alexander Chiang | 2755820 | 2009-06-10 19:55:14 +0000 | [diff] [blame] | 376 | int acpi_is_root_bridge(acpi_handle); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 377 | acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 378 | struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); |
Benjamin Herrenschmidt | 465ae64 | 2006-11-11 17:18:42 +1100 | [diff] [blame] | 379 | #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle)) |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 380 | |
Rafael J. Wysocki | b67ea76 | 2010-02-17 23:44:09 +0100 | [diff] [blame] | 381 | int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); |
| 382 | int acpi_disable_wakeup_device_power(struct acpi_device *dev); |
| 383 | |
Rafael J. Wysocki | aa33860 | 2011-02-11 00:06:54 +0100 | [diff] [blame] | 384 | #ifdef CONFIG_PM |
David Brownell | 0616678 | 2008-06-05 01:15:40 +0200 | [diff] [blame] | 385 | int acpi_pm_device_sleep_state(struct device *, int *); |
Rafael J. Wysocki | 761afb8 | 2010-10-14 23:24:13 +0200 | [diff] [blame] | 386 | #else |
David Brownell | 0616678 | 2008-06-05 01:15:40 +0200 | [diff] [blame] | 387 | 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] | 388 | { |
| 389 | if (p) |
| 390 | *p = ACPI_STATE_D0; |
| 391 | return ACPI_STATE_D3; |
| 392 | } |
Rafael J. Wysocki | 761afb8 | 2010-10-14 23:24:13 +0200 | [diff] [blame] | 393 | #endif |
| 394 | |
| 395 | #ifdef CONFIG_PM_SLEEP |
| 396 | int acpi_pm_device_sleep_wake(struct device *, bool); |
| 397 | #else |
David Howells | f7a1b86 | 2008-07-08 15:00:54 +0100 | [diff] [blame] | 398 | static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) |
| 399 | { |
| 400 | return -ENODEV; |
| 401 | } |
Rafael J. Wysocki | 761afb8 | 2010-10-14 23:24:13 +0200 | [diff] [blame] | 402 | #endif |
Shaohua Li | fd4aff1 | 2007-07-17 22:40:25 +0200 | [diff] [blame] | 403 | |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 404 | #endif /* CONFIG_ACPI */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 405 | |
| 406 | #endif /*__ACPI_BUS_H__*/ |