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); |
Toshi Kani | 275c58d | 2012-05-23 20:25:19 -0600 | [diff] [blame] | 53 | acpi_status |
| 54 | acpi_evaluate_hotplug_ost(acpi_handle handle, u32 source_event, |
| 55 | u32 status_code, struct acpi_buffer *status_buf); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 56 | |
Matthew Garrett | 38ac0f1 | 2012-05-11 16:08:26 +0800 | [diff] [blame] | 57 | acpi_status |
Feng Tang | 8ede06a | 2012-08-21 09:56:58 +0800 | [diff] [blame] | 58 | acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld_info **pld); |
Len Brown | 76f5858 | 2005-08-24 12:10:49 -0400 | [diff] [blame] | 59 | #ifdef CONFIG_ACPI |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | |
| 61 | #include <linux/proc_fs.h> |
| 62 | |
| 63 | #define ACPI_BUS_FILE_ROOT "acpi" |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 64 | extern struct proc_dir_entry *acpi_root_dir; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | |
| 66 | enum acpi_bus_removal_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 67 | ACPI_BUS_REMOVAL_NORMAL = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 68 | ACPI_BUS_REMOVAL_EJECT, |
| 69 | ACPI_BUS_REMOVAL_SUPRISE, |
| 70 | ACPI_BUS_REMOVAL_TYPE_COUNT |
| 71 | }; |
| 72 | |
| 73 | enum acpi_bus_device_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 74 | ACPI_BUS_TYPE_DEVICE = 0, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 75 | ACPI_BUS_TYPE_POWER, |
| 76 | ACPI_BUS_TYPE_PROCESSOR, |
| 77 | ACPI_BUS_TYPE_THERMAL, |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 78 | ACPI_BUS_TYPE_POWER_BUTTON, |
| 79 | ACPI_BUS_TYPE_SLEEP_BUTTON, |
| 80 | ACPI_BUS_DEVICE_TYPE_COUNT |
| 81 | }; |
| 82 | |
| 83 | struct acpi_driver; |
| 84 | struct acpi_device; |
| 85 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 86 | /* |
| 87 | * ACPI Driver |
| 88 | * ----------- |
| 89 | */ |
| 90 | |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 91 | typedef int (*acpi_op_add) (struct acpi_device * device); |
| 92 | typedef int (*acpi_op_remove) (struct acpi_device * device, int type); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 93 | typedef int (*acpi_op_start) (struct acpi_device * device); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 94 | typedef int (*acpi_op_bind) (struct acpi_device * device); |
| 95 | typedef int (*acpi_op_unbind) (struct acpi_device * device); |
Bjorn Helgaas | 46ec859 | 2009-03-30 17:48:13 +0000 | [diff] [blame] | 96 | typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 97 | |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 98 | struct acpi_bus_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 99 | u32 acpi_op_add:1; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 100 | u32 acpi_op_start:1; |
Rajesh Shah | 3fb0273 | 2005-04-28 00:25:52 -0700 | [diff] [blame] | 101 | }; |
| 102 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 103 | struct acpi_device_ops { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 104 | acpi_op_add add; |
| 105 | acpi_op_remove remove; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 106 | acpi_op_start start; |
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; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 147 | u32 suprise_removal_ok:1; |
| 148 | u32 power_manageable:1; |
| 149 | u32 performance_manageable:1; |
Toshi Kani | c4753e5 | 2012-05-23 20:25:20 -0600 | [diff] [blame] | 150 | u32 eject_pending:1; |
Toshi Kani | f4fa0e0 | 2012-10-26 13:39:06 +0200 | [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; /* " */ |
Lance Ortiz | d1efe3c | 2012-10-02 12:43:23 -0600 | [diff] [blame] | 181 | union acpi_object *str_obj; /* unicode string for _STR method */ |
Yasuaki Ishimatsu | bb74ac2 | 2012-11-16 02:56:59 +0100 | [diff] [blame] | 182 | unsigned long sun; /* _SUN */ |
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) |
Thomas Renninger | 620e112 | 2010-10-01 10:54:00 +0200 | [diff] [blame] | 187 | const char *acpi_device_hid(struct acpi_device *device); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 188 | #define acpi_device_name(d) ((d)->pnp.device_name) |
| 189 | #define acpi_device_class(d) ((d)->pnp.device_class) |
| 190 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 191 | /* Power Management */ |
| 192 | |
| 193 | struct acpi_device_power_flags { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 194 | u32 explicit_get:1; /* _PSC present? */ |
| 195 | u32 power_resources:1; /* Power resources */ |
| 196 | u32 inrush_current:1; /* Serialize Dx->D0 */ |
| 197 | u32 power_removed:1; /* Optimize Dx->D0 */ |
| 198 | u32 reserved:28; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 199 | }; |
| 200 | |
| 201 | struct acpi_device_power_state { |
| 202 | struct { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 203 | u8 valid:1; |
Aaron Lu | 1399dfc | 2012-11-21 23:33:40 +0100 | [diff] [blame] | 204 | u8 os_accessible:1; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 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; |
Lin Ming | b4a03b9 | 2011-06-01 23:54:02 +0800 | [diff] [blame] | 216 | struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */ |
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 */ |
Rafael J. Wysocki | b67ea76 | 2010-02-17 23:44:09 +0100 | [diff] [blame] | 246 | u8 notifier_present:1; /* Wake-up notify handler has been installed */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 247 | }; |
| 248 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 249 | struct acpi_device_wakeup { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 250 | acpi_handle gpe_device; |
Lin Ming | 439913f | 2010-01-28 10:53:19 +0800 | [diff] [blame] | 251 | u64 gpe_number; |
| 252 | u64 sleep_state; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 253 | struct acpi_handle_list resources; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 254 | struct acpi_device_wakeup_flags flags; |
Rafael J. Wysocki | 9b83ccd | 2009-09-08 23:15:31 +0200 | [diff] [blame] | 255 | int prepare_count; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 256 | }; |
| 257 | |
Lan Tianyu | 1033f90 | 2012-08-17 14:44:09 +0800 | [diff] [blame] | 258 | struct acpi_device_physical_node { |
| 259 | u8 node_id; |
| 260 | struct list_head node; |
| 261 | struct device *dev; |
| 262 | }; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 263 | |
Lan Tianyu | 1033f90 | 2012-08-17 14:44:09 +0800 | [diff] [blame] | 264 | /* set maximum of physical nodes to 32 for expansibility */ |
| 265 | #define ACPI_MAX_PHYSICAL_NODE 32 |
| 266 | |
| 267 | /* Device */ |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 268 | struct acpi_device { |
Bjorn Helgaas | caaa6ef | 2009-09-21 19:29:10 +0000 | [diff] [blame] | 269 | int device_type; |
| 270 | acpi_handle handle; /* no handle for fixed hardware */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 271 | struct acpi_device *parent; |
| 272 | struct list_head children; |
| 273 | struct list_head node; |
| 274 | struct list_head wakeup_list; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 275 | struct acpi_device_status status; |
| 276 | struct acpi_device_flags flags; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 277 | struct acpi_device_pnp pnp; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 278 | struct acpi_device_power power; |
| 279 | struct acpi_device_wakeup wakeup; |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 280 | struct acpi_device_perf performance; |
| 281 | struct acpi_device_dir dir; |
| 282 | struct acpi_device_ops ops; |
| 283 | struct acpi_driver *driver; |
| 284 | void *driver_data; |
Patrick Mochel | 5b32726 | 2006-05-10 10:33:00 -0400 | [diff] [blame] | 285 | struct device dev; |
Li Shaohua | c4168bf | 2006-12-07 20:56:41 +0800 | [diff] [blame] | 286 | 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] | 287 | enum acpi_bus_removal_type removal_type; /* indicate for different removal type */ |
Lan Tianyu | 1033f90 | 2012-08-17 14:44:09 +0800 | [diff] [blame] | 288 | u8 physical_node_count; |
| 289 | struct list_head physical_node_list; |
| 290 | struct mutex physical_node_lock; |
| 291 | DECLARE_BITMAP(physical_node_id_bitmap, ACPI_MAX_PHYSICAL_NODE); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 292 | }; |
| 293 | |
Pavel Machek | db89b4f | 2008-09-22 14:37:34 -0700 | [diff] [blame] | 294 | static inline void *acpi_driver_data(struct acpi_device *d) |
| 295 | { |
| 296 | return d->driver_data; |
| 297 | } |
| 298 | |
Patrick Mochel | d43ec68 | 2006-12-07 20:56:23 +0800 | [diff] [blame] | 299 | #define to_acpi_device(d) container_of(d, struct acpi_device, dev) |
| 300 | #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 301 | |
David Brownell | 55955aa | 2007-05-08 00:28:35 -0700 | [diff] [blame] | 302 | /* acpi_device.dev.bus == &acpi_bus_type */ |
| 303 | extern struct bus_type acpi_bus_type; |
| 304 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 305 | /* |
| 306 | * Events |
| 307 | * ------ |
| 308 | */ |
| 309 | |
| 310 | struct acpi_bus_event { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 311 | struct list_head node; |
| 312 | acpi_device_class device_class; |
| 313 | acpi_bus_id bus_id; |
| 314 | u32 type; |
| 315 | u32 data; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 316 | }; |
| 317 | |
Toshi Kani | c4753e5 | 2012-05-23 20:25:20 -0600 | [diff] [blame] | 318 | struct acpi_eject_event { |
| 319 | acpi_handle handle; |
| 320 | u32 event; |
| 321 | }; |
| 322 | |
Greg Kroah-Hartman | 99e0d2f | 2007-11-02 16:19:59 -0700 | [diff] [blame] | 323 | extern struct kobject *acpi_kobj; |
Zhang Rui | 962ce8c | 2007-08-23 01:24:31 +0800 | [diff] [blame] | 324 | 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] | 325 | void acpi_bus_private_data_handler(acpi_handle, void *); |
Zhang Rui | 2073393 | 2008-01-17 15:51:21 +0800 | [diff] [blame] | 326 | int acpi_bus_get_private_data(acpi_handle, void **); |
Zhang Rui | 9ee8524 | 2008-01-25 14:48:06 +0800 | [diff] [blame] | 327 | extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); |
| 328 | extern int register_acpi_notifier(struct notifier_block *); |
| 329 | extern int unregister_acpi_notifier(struct notifier_block *); |
Shaohua Li | 6bd00a6 | 2008-08-28 10:04:29 +0800 | [diff] [blame] | 330 | |
| 331 | extern int register_acpi_bus_notifier(struct notifier_block *nb); |
| 332 | extern void unregister_acpi_bus_notifier(struct notifier_block *nb); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 333 | /* |
| 334 | * External Functions |
| 335 | */ |
| 336 | |
| 337 | int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); |
Bob Moore | 8e4319c | 2009-06-29 13:43:27 +0800 | [diff] [blame] | 338 | void acpi_bus_data_handler(acpi_handle handle, void *context); |
Bjorn Helgaas | 402ac53 | 2009-09-21 19:30:01 +0000 | [diff] [blame] | 339 | acpi_status acpi_bus_get_status_handle(acpi_handle handle, |
| 340 | unsigned long long *sta); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 341 | int acpi_bus_get_status(struct acpi_device *device); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 342 | int acpi_bus_set_power(acpi_handle handle, int state); |
Rafael J. Wysocki | 078eb12 | 2012-11-02 01:40:45 +0100 | [diff] [blame] | 343 | int acpi_device_set_power(struct acpi_device *device, int state); |
Rafael J. Wysocki | 25eed40 | 2010-11-25 00:09:15 +0100 | [diff] [blame] | 344 | int acpi_bus_update_power(acpi_handle handle, int *state_p); |
Rafael J. Wysocki | 3737b2b | 2008-07-07 03:30:55 +0200 | [diff] [blame] | 345 | bool acpi_bus_power_manageable(acpi_handle handle); |
Rafael J. Wysocki | eb9d0fe | 2008-07-07 03:34:48 +0200 | [diff] [blame] | 346 | bool acpi_bus_can_wakeup(acpi_handle handle); |
Lin Ming | 0090def | 2012-03-29 14:09:39 +0800 | [diff] [blame] | 347 | int acpi_power_resource_register_device(struct device *dev, acpi_handle handle); |
| 348 | void acpi_power_resource_unregister_device(struct device *dev, acpi_handle handle); |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 349 | #ifdef CONFIG_ACPI_PROC_EVENT |
| 350 | 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] | 351 | 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] | 352 | int acpi_bus_receive_event(struct acpi_bus_event *event); |
Len Brown | 14e04fb | 2007-08-23 15:20:26 -0400 | [diff] [blame] | 353 | #else |
| 354 | static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data) |
| 355 | { return 0; } |
| 356 | #endif |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 357 | int acpi_bus_register_driver(struct acpi_driver *driver); |
Bjorn Helgaas | 06ea8e08 | 2006-04-27 05:25:00 -0400 | [diff] [blame] | 358 | void acpi_bus_unregister_driver(struct acpi_driver *driver); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 359 | int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent, |
| 360 | acpi_handle handle, int type); |
Toshi Kani | c4753e5 | 2012-05-23 20:25:20 -0600 | [diff] [blame] | 361 | void acpi_bus_hot_remove_device(void *context); |
Kristen Accardi | ceaba66 | 2006-02-23 17:56:01 -0800 | [diff] [blame] | 362 | int acpi_bus_trim(struct acpi_device *start, int rmdevice); |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 363 | int acpi_bus_start(struct acpi_device *device); |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 364 | acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); |
Thomas Renninger | 8c8eb78 | 2007-07-23 14:43:32 +0200 | [diff] [blame] | 365 | int acpi_match_device_ids(struct acpi_device *device, |
| 366 | const struct acpi_device_id *ids); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 367 | int acpi_create_dir(struct acpi_device *); |
| 368 | void acpi_remove_dir(struct acpi_device *); |
| 369 | |
Mika Westerberg | 0d2cf8f | 2012-09-07 10:31:38 +0300 | [diff] [blame] | 370 | |
| 371 | /** |
| 372 | * module_acpi_driver(acpi_driver) - Helper macro for registering an ACPI driver |
| 373 | * @__acpi_driver: acpi_driver struct |
| 374 | * |
| 375 | * Helper macro for ACPI drivers which do not do anything special in module |
| 376 | * init/exit. This eliminates a lot of boilerplate. Each module may only |
| 377 | * use this macro once, and calling it replaces module_init() and module_exit() |
| 378 | */ |
| 379 | #define module_acpi_driver(__acpi_driver) \ |
| 380 | module_driver(__acpi_driver, acpi_bus_register_driver, \ |
| 381 | acpi_bus_unregister_driver) |
| 382 | |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 383 | /* |
| 384 | * Bind physical devices with ACPI devices |
| 385 | */ |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 386 | struct acpi_bus_type { |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 387 | struct list_head list; |
| 388 | struct bus_type *bus; |
| 389 | /* For general devices under the bus */ |
| 390 | int (*find_device) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 391 | /* For bridges, such as PCI root bridge, IDE controller */ |
Len Brown | 4be44fc | 2005-08-05 00:44:28 -0400 | [diff] [blame] | 392 | int (*find_bridge) (struct device *, acpi_handle *); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 393 | }; |
| 394 | int register_acpi_bus_type(struct acpi_bus_type *); |
| 395 | int unregister_acpi_bus_type(struct acpi_bus_type *); |
Thomas Renninger | 22c13f9 | 2008-08-01 17:37:54 +0200 | [diff] [blame] | 396 | |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 397 | struct acpi_pci_root { |
| 398 | struct list_head node; |
| 399 | struct acpi_device * device; |
| 400 | struct acpi_pci_id id; |
| 401 | struct pci_bus *bus; |
| 402 | u16 segment; |
Bjorn Helgaas | 6ad9551 | 2010-03-11 12:20:06 -0700 | [diff] [blame] | 403 | struct resource secondary; /* downstream bus range */ |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 404 | |
| 405 | u32 osc_support_set; /* _OSC state of support bits */ |
| 406 | u32 osc_control_set; /* _OSC state of control bits */ |
Jiang Liu | f4b57a3 | 2012-06-22 14:55:16 +0800 | [diff] [blame] | 407 | phys_addr_t mcfg_addr; |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 408 | }; |
| 409 | |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 410 | /* helper */ |
Lin Ming | 439913f | 2010-01-28 10:53:19 +0800 | [diff] [blame] | 411 | acpi_handle acpi_get_child(acpi_handle, u64); |
Alexander Chiang | 2755820 | 2009-06-10 19:55:14 +0000 | [diff] [blame] | 412 | int acpi_is_root_bridge(acpi_handle); |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 413 | acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); |
Alex Chiang | 76d56de | 2009-07-23 17:03:00 -0600 | [diff] [blame] | 414 | struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); |
Rafael J. Wysocki | 95f8a08 | 2012-11-21 00:21:50 +0100 | [diff] [blame] | 415 | #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)ACPI_HANDLE(dev)) |
David Shaohua Li | 4e10d12 | 2005-03-18 18:45:35 -0500 | [diff] [blame] | 416 | |
Rafael J. Wysocki | b67ea76 | 2010-02-17 23:44:09 +0100 | [diff] [blame] | 417 | int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); |
| 418 | int acpi_disable_wakeup_device_power(struct acpi_device *dev); |
| 419 | |
Rafael J. Wysocki | aa33860 | 2011-02-11 00:06:54 +0100 | [diff] [blame] | 420 | #ifdef CONFIG_PM |
Rafael J. Wysocki | ec2cd81 | 2012-11-02 01:40:09 +0100 | [diff] [blame] | 421 | acpi_status acpi_add_pm_notifier(struct acpi_device *adev, |
| 422 | acpi_notify_handler handler, void *context); |
| 423 | acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, |
| 424 | acpi_notify_handler handler); |
Rafael J. Wysocki | 86b3832 | 2012-11-02 01:40:18 +0100 | [diff] [blame] | 425 | int acpi_device_power_state(struct device *dev, struct acpi_device *adev, |
| 426 | u32 target_state, int d_max_in, int *d_min_p); |
Huang Ying | ee85f54 | 2012-06-23 10:23:48 +0800 | [diff] [blame] | 427 | int acpi_pm_device_sleep_state(struct device *, int *, int); |
Rafael J. Wysocki | 761afb8 | 2010-10-14 23:24:13 +0200 | [diff] [blame] | 428 | #else |
Rafael J. Wysocki | ec2cd81 | 2012-11-02 01:40:09 +0100 | [diff] [blame] | 429 | static inline acpi_status acpi_add_pm_notifier(struct acpi_device *adev, |
| 430 | acpi_notify_handler handler, |
| 431 | void *context) |
| 432 | { |
| 433 | return AE_SUPPORT; |
| 434 | } |
| 435 | static inline acpi_status acpi_remove_pm_notifier(struct acpi_device *adev, |
| 436 | acpi_notify_handler handler) |
| 437 | { |
| 438 | return AE_SUPPORT; |
| 439 | } |
Rafael J. Wysocki | 86b3832 | 2012-11-02 01:40:18 +0100 | [diff] [blame] | 440 | static inline int __acpi_device_power_state(int m, int *p) |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 441 | { |
| 442 | if (p) |
| 443 | *p = ACPI_STATE_D0; |
Huang Ying | ee85f54 | 2012-06-23 10:23:48 +0800 | [diff] [blame] | 444 | return (m >= ACPI_STATE_D0 && m <= ACPI_STATE_D3) ? m : ACPI_STATE_D0; |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 445 | } |
Rafael J. Wysocki | 86b3832 | 2012-11-02 01:40:18 +0100 | [diff] [blame] | 446 | static inline int acpi_device_power_state(struct device *dev, |
| 447 | struct acpi_device *adev, |
| 448 | u32 target_state, int d_max_in, |
| 449 | int *d_min_p) |
| 450 | { |
| 451 | return __acpi_device_power_state(d_max_in, d_min_p); |
| 452 | } |
| 453 | static inline int acpi_pm_device_sleep_state(struct device *d, int *p, int m) |
| 454 | { |
| 455 | return __acpi_device_power_state(m, p); |
| 456 | } |
Rafael J. Wysocki | 761afb8 | 2010-10-14 23:24:13 +0200 | [diff] [blame] | 457 | #endif |
| 458 | |
Rafael J. Wysocki | bdda27f | 2012-10-26 13:40:04 +0200 | [diff] [blame] | 459 | #ifdef CONFIG_PM_RUNTIME |
Rafael J. Wysocki | dee8370 | 2012-11-02 01:40:36 +0100 | [diff] [blame] | 460 | int __acpi_device_run_wake(struct acpi_device *, bool); |
Lin Ming | b24e509 | 2012-03-27 15:43:25 +0800 | [diff] [blame] | 461 | int acpi_pm_device_run_wake(struct device *, bool); |
Rafael J. Wysocki | 761afb8 | 2010-10-14 23:24:13 +0200 | [diff] [blame] | 462 | #else |
Rafael J. Wysocki | dee8370 | 2012-11-02 01:40:36 +0100 | [diff] [blame] | 463 | static inline int __acpi_device_run_wake(struct acpi_device *adev, bool en) |
| 464 | { |
| 465 | return -ENODEV; |
| 466 | } |
Lin Ming | b24e509 | 2012-03-27 15:43:25 +0800 | [diff] [blame] | 467 | static inline int acpi_pm_device_run_wake(struct device *dev, bool enable) |
| 468 | { |
| 469 | return -ENODEV; |
| 470 | } |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 471 | #endif |
| 472 | |
| 473 | #ifdef CONFIG_PM_SLEEP |
Rafael J. Wysocki | dee8370 | 2012-11-02 01:40:36 +0100 | [diff] [blame] | 474 | int __acpi_device_sleep_wake(struct acpi_device *, u32, bool); |
Rafael J. Wysocki | 296699d | 2007-07-29 23:27:18 +0200 | [diff] [blame] | 475 | int acpi_pm_device_sleep_wake(struct device *, bool); |
David Howells | f7a1b86 | 2008-07-08 15:00:54 +0100 | [diff] [blame] | 476 | #else |
Rafael J. Wysocki | dee8370 | 2012-11-02 01:40:36 +0100 | [diff] [blame] | 477 | static inline int __acpi_device_sleep_wake(struct acpi_device *adev, |
| 478 | u32 target_state, bool enable) |
David Howells | f7a1b86 | 2008-07-08 15:00:54 +0100 | [diff] [blame] | 479 | { |
| 480 | return -ENODEV; |
Rafael J. Wysocki | 761afb8 | 2010-10-14 23:24:13 +0200 | [diff] [blame] | 481 | } |
Shaohua Li | fd4aff1 | 2007-07-17 22:40:25 +0200 | [diff] [blame] | 482 | static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) |
Len Brown | fd35094 | 2007-05-09 23:34:35 -0400 | [diff] [blame] | 483 | { |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 484 | return -ENODEV; |
| 485 | } |
| 486 | #endif |
| 487 | |
David Rientjes | 99926a8 | 2012-11-10 22:48:33 +0100 | [diff] [blame] | 488 | #ifdef CONFIG_ACPI_SLEEP |
| 489 | u32 acpi_target_system_state(void); |
| 490 | #else |
| 491 | static inline u32 acpi_target_system_state(void) { return ACPI_STATE_S0; } |
| 492 | #endif |
| 493 | |
Rafael J. Wysocki | 078eb12 | 2012-11-02 01:40:45 +0100 | [diff] [blame] | 494 | static inline bool acpi_device_power_manageable(struct acpi_device *adev) |
| 495 | { |
| 496 | return adev->flags.power_manageable; |
| 497 | } |
| 498 | |
| 499 | static inline bool acpi_device_can_wakeup(struct acpi_device *adev) |
| 500 | { |
| 501 | return adev->wakeup.flags.valid; |
| 502 | } |
| 503 | |
Aaron Lu | 1399dfc | 2012-11-21 23:33:40 +0100 | [diff] [blame] | 504 | static inline bool acpi_device_can_poweroff(struct acpi_device *adev) |
| 505 | { |
| 506 | return adev->power.states[ACPI_STATE_D3_COLD].flags.os_accessible; |
| 507 | } |
| 508 | |
Matthew Garrett | 66886d6 | 2012-05-11 16:08:25 +0800 | [diff] [blame] | 509 | #else /* CONFIG_ACPI */ |
| 510 | |
Len Brown | 7ae3098 | 2012-06-04 00:29:11 -0400 | [diff] [blame] | 511 | static inline int register_acpi_bus_type(void *bus) { return 0; } |
| 512 | static inline int unregister_acpi_bus_type(void *bus) { return 0; } |
Matthew Garrett | 66886d6 | 2012-05-11 16:08:25 +0800 | [diff] [blame] | 513 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 514 | #endif /* CONFIG_ACPI */ |
| 515 | |
| 516 | #endif /*__ACPI_BUS_H__*/ |