11da177e4SLinus Torvalds /* 21da177e4SLinus Torvalds * acpi_bus.h - ACPI Bus Driver ($Revision: 22 $) 31da177e4SLinus Torvalds * 41da177e4SLinus Torvalds * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> 51da177e4SLinus Torvalds * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> 61da177e4SLinus Torvalds * 71da177e4SLinus Torvalds * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 81da177e4SLinus Torvalds * 91da177e4SLinus Torvalds * This program is free software; you can redistribute it and/or modify 101da177e4SLinus Torvalds * it under the terms of the GNU General Public License as published by 111da177e4SLinus Torvalds * the Free Software Foundation; either version 2 of the License, or (at 121da177e4SLinus Torvalds * your option) any later version. 131da177e4SLinus Torvalds * 141da177e4SLinus Torvalds * This program is distributed in the hope that it will be useful, but 151da177e4SLinus Torvalds * WITHOUT ANY WARRANTY; without even the implied warranty of 161da177e4SLinus Torvalds * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 171da177e4SLinus Torvalds * General Public License for more details. 181da177e4SLinus Torvalds * 191da177e4SLinus Torvalds * You should have received a copy of the GNU General Public License along 201da177e4SLinus Torvalds * with this program; if not, write to the Free Software Foundation, Inc., 211da177e4SLinus Torvalds * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 221da177e4SLinus Torvalds * 231da177e4SLinus Torvalds * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 241da177e4SLinus Torvalds */ 251da177e4SLinus Torvalds 261da177e4SLinus Torvalds #ifndef __ACPI_BUS_H__ 271da177e4SLinus Torvalds #define __ACPI_BUS_H__ 281da177e4SLinus Torvalds 295b327265SPatrick Mochel #include <linux/device.h> 301da177e4SLinus Torvalds 311da177e4SLinus Torvalds #include <acpi/acpi.h> 321da177e4SLinus Torvalds 331da177e4SLinus Torvalds /* TBD: Make dynamic */ 341da177e4SLinus Torvalds #define ACPI_MAX_HANDLES 10 351da177e4SLinus Torvalds struct acpi_handle_list { 361da177e4SLinus Torvalds u32 count; 371da177e4SLinus Torvalds acpi_handle handles[ACPI_MAX_HANDLES]; 381da177e4SLinus Torvalds }; 391da177e4SLinus Torvalds 401da177e4SLinus Torvalds /* acpi_utils.h */ 411da177e4SLinus Torvalds acpi_status 424be44fcdSLen Brown acpi_extract_package(union acpi_object *package, 434be44fcdSLen Brown struct acpi_buffer *format, struct acpi_buffer *buffer); 441da177e4SLinus Torvalds acpi_status 454be44fcdSLen Brown acpi_evaluate_integer(acpi_handle handle, 461da177e4SLinus Torvalds acpi_string pathname, 4727663c58SMatthew Wilcox struct acpi_object_list *arguments, unsigned long long *data); 481da177e4SLinus Torvalds acpi_status 494be44fcdSLen Brown acpi_evaluate_reference(acpi_handle handle, 501da177e4SLinus Torvalds acpi_string pathname, 511da177e4SLinus Torvalds struct acpi_object_list *arguments, 521da177e4SLinus Torvalds struct acpi_handle_list *list); 531da177e4SLinus Torvalds 5438ac0f1bSMatthew Garrett struct acpi_pld { 5538ac0f1bSMatthew Garrett unsigned int revision:7; /* 0 */ 5638ac0f1bSMatthew Garrett unsigned int ignore_colour:1; /* 7 */ 5738ac0f1bSMatthew Garrett unsigned int colour:24; /* 8 */ 5838ac0f1bSMatthew Garrett unsigned int width:16; /* 32 */ 5938ac0f1bSMatthew Garrett unsigned int height:16; /* 48 */ 6038ac0f1bSMatthew Garrett unsigned int user_visible:1; /* 64 */ 6138ac0f1bSMatthew Garrett unsigned int dock:1; /* 65 */ 6238ac0f1bSMatthew Garrett unsigned int lid:1; /* 66 */ 6338ac0f1bSMatthew Garrett unsigned int panel:3; /* 67 */ 6438ac0f1bSMatthew Garrett unsigned int vertical_pos:2; /* 70 */ 6538ac0f1bSMatthew Garrett unsigned int horizontal_pos:2; /* 72 */ 6638ac0f1bSMatthew Garrett unsigned int shape:4; /* 74 */ 6738ac0f1bSMatthew Garrett unsigned int group_orientation:1; /* 78 */ 6838ac0f1bSMatthew Garrett unsigned int group_token:8; /* 79 */ 6938ac0f1bSMatthew Garrett unsigned int group_position:8; /* 87 */ 7038ac0f1bSMatthew Garrett unsigned int bay:1; /* 95 */ 7138ac0f1bSMatthew Garrett unsigned int ejectable:1; /* 96 */ 7238ac0f1bSMatthew Garrett unsigned int ospm_eject_required:1; /* 97 */ 7338ac0f1bSMatthew Garrett unsigned int cabinet_number:8; /* 98 */ 7438ac0f1bSMatthew Garrett unsigned int card_cage_number:8; /* 106 */ 7538ac0f1bSMatthew Garrett unsigned int reference:1; /* 114 */ 7638ac0f1bSMatthew Garrett unsigned int rotation:4; /* 115 */ 7738ac0f1bSMatthew Garrett unsigned int order:5; /* 119 */ 7838ac0f1bSMatthew Garrett unsigned int reserved:4; /* 124 */ 7938ac0f1bSMatthew Garrett unsigned int vertical_offset:16; /* 128 */ 8038ac0f1bSMatthew Garrett unsigned int horizontal_offset:16; /* 144 */ 8138ac0f1bSMatthew Garrett } __attribute__((__packed__)); 8238ac0f1bSMatthew Garrett 8338ac0f1bSMatthew Garrett acpi_status 8438ac0f1bSMatthew Garrett acpi_get_physical_device_location(acpi_handle handle, struct acpi_pld *pld); 8576f58584SLen Brown #ifdef CONFIG_ACPI 861da177e4SLinus Torvalds 871da177e4SLinus Torvalds #include <linux/proc_fs.h> 881da177e4SLinus Torvalds 891da177e4SLinus Torvalds #define ACPI_BUS_FILE_ROOT "acpi" 901da177e4SLinus Torvalds extern struct proc_dir_entry *acpi_root_dir; 911da177e4SLinus Torvalds 921da177e4SLinus Torvalds enum acpi_bus_removal_type { 931da177e4SLinus Torvalds ACPI_BUS_REMOVAL_NORMAL = 0, 941da177e4SLinus Torvalds ACPI_BUS_REMOVAL_EJECT, 951da177e4SLinus Torvalds ACPI_BUS_REMOVAL_SUPRISE, 961da177e4SLinus Torvalds ACPI_BUS_REMOVAL_TYPE_COUNT 971da177e4SLinus Torvalds }; 981da177e4SLinus Torvalds 991da177e4SLinus Torvalds enum acpi_bus_device_type { 1001da177e4SLinus Torvalds ACPI_BUS_TYPE_DEVICE = 0, 1011da177e4SLinus Torvalds ACPI_BUS_TYPE_POWER, 1021da177e4SLinus Torvalds ACPI_BUS_TYPE_PROCESSOR, 1031da177e4SLinus Torvalds ACPI_BUS_TYPE_THERMAL, 1041da177e4SLinus Torvalds ACPI_BUS_TYPE_POWER_BUTTON, 1051da177e4SLinus Torvalds ACPI_BUS_TYPE_SLEEP_BUTTON, 1061da177e4SLinus Torvalds ACPI_BUS_DEVICE_TYPE_COUNT 1071da177e4SLinus Torvalds }; 1081da177e4SLinus Torvalds 1091da177e4SLinus Torvalds struct acpi_driver; 1101da177e4SLinus Torvalds struct acpi_device; 1111da177e4SLinus Torvalds 1121da177e4SLinus Torvalds /* 1131da177e4SLinus Torvalds * ACPI Driver 1141da177e4SLinus Torvalds * ----------- 1151da177e4SLinus Torvalds */ 1161da177e4SLinus Torvalds 1171da177e4SLinus Torvalds typedef int (*acpi_op_add) (struct acpi_device * device); 1181da177e4SLinus Torvalds typedef int (*acpi_op_remove) (struct acpi_device * device, int type); 1191da177e4SLinus Torvalds typedef int (*acpi_op_start) (struct acpi_device * device); 120fd350943SLen Brown typedef int (*acpi_op_suspend) (struct acpi_device * device, 121fd350943SLen Brown pm_message_t state); 1225d9464a4SPatrick Mochel typedef int (*acpi_op_resume) (struct acpi_device * device); 1231da177e4SLinus Torvalds typedef int (*acpi_op_bind) (struct acpi_device * device); 1241da177e4SLinus Torvalds typedef int (*acpi_op_unbind) (struct acpi_device * device); 12546ec8598SBjorn Helgaas typedef void (*acpi_op_notify) (struct acpi_device * device, u32 event); 1261da177e4SLinus Torvalds 1273fb02738SRajesh Shah struct acpi_bus_ops { 1283fb02738SRajesh Shah u32 acpi_op_add:1; 1293fb02738SRajesh Shah u32 acpi_op_start:1; 1303fb02738SRajesh Shah }; 1313fb02738SRajesh Shah 1321da177e4SLinus Torvalds struct acpi_device_ops { 1331da177e4SLinus Torvalds acpi_op_add add; 1341da177e4SLinus Torvalds acpi_op_remove remove; 1351da177e4SLinus Torvalds acpi_op_start start; 1361da177e4SLinus Torvalds acpi_op_suspend suspend; 1371da177e4SLinus Torvalds acpi_op_resume resume; 1381da177e4SLinus Torvalds acpi_op_bind bind; 1391da177e4SLinus Torvalds acpi_op_unbind unbind; 14046ec8598SBjorn Helgaas acpi_op_notify notify; 1411da177e4SLinus Torvalds }; 1421da177e4SLinus Torvalds 1436d278131SBjorn Helgaas #define ACPI_DRIVER_ALL_NOTIFY_EVENTS 0x1 /* system AND device events */ 1446d278131SBjorn Helgaas 1451da177e4SLinus Torvalds struct acpi_driver { 1461da177e4SLinus Torvalds char name[80]; 1471da177e4SLinus Torvalds char class[80]; 1488c8eb78fSThomas Renninger const struct acpi_device_id *ids; /* Supported Hardware IDs */ 1496d278131SBjorn Helgaas unsigned int flags; 1501da177e4SLinus Torvalds struct acpi_device_ops ops; 151d43ec68eSPatrick Mochel struct device_driver drv; 1521890a97aSPatrick Mochel struct module *owner; 1531da177e4SLinus Torvalds }; 1541da177e4SLinus Torvalds 1551da177e4SLinus Torvalds /* 1561da177e4SLinus Torvalds * ACPI Device 1571da177e4SLinus Torvalds * ----------- 1581da177e4SLinus Torvalds */ 1591da177e4SLinus Torvalds 1601da177e4SLinus Torvalds /* Status (_STA) */ 1611da177e4SLinus Torvalds 1621da177e4SLinus Torvalds struct acpi_device_status { 1631da177e4SLinus Torvalds u32 present:1; 1641da177e4SLinus Torvalds u32 enabled:1; 1651da177e4SLinus Torvalds u32 show_in_ui:1; 1661da177e4SLinus Torvalds u32 functional:1; 1671da177e4SLinus Torvalds u32 battery_present:1; 1681da177e4SLinus Torvalds u32 reserved:27; 1691da177e4SLinus Torvalds }; 1701da177e4SLinus Torvalds 1711da177e4SLinus Torvalds /* Flags */ 1721da177e4SLinus Torvalds 1731da177e4SLinus Torvalds struct acpi_device_flags { 1741da177e4SLinus Torvalds u32 dynamic_status:1; 1751da177e4SLinus Torvalds u32 bus_address:1; 1761da177e4SLinus Torvalds u32 removable:1; 1771da177e4SLinus Torvalds u32 ejectable:1; 1781da177e4SLinus Torvalds u32 lockable:1; 1791da177e4SLinus Torvalds u32 suprise_removal_ok:1; 1801da177e4SLinus Torvalds u32 power_manageable:1; 1811da177e4SLinus Torvalds u32 performance_manageable:1; 182d57d09a4SRafael J. Wysocki u32 reserved:24; 1831da177e4SLinus Torvalds }; 1841da177e4SLinus Torvalds 1851da177e4SLinus Torvalds /* File System */ 1861da177e4SLinus Torvalds 1871da177e4SLinus Torvalds struct acpi_device_dir { 1881da177e4SLinus Torvalds struct proc_dir_entry *entry; 1891da177e4SLinus Torvalds }; 1901da177e4SLinus Torvalds 1911da177e4SLinus Torvalds #define acpi_device_dir(d) ((d)->dir.entry) 1921da177e4SLinus Torvalds 1931da177e4SLinus Torvalds /* Plug and Play */ 1941da177e4SLinus Torvalds 19524c5c4c2SZhao Yakui typedef char acpi_bus_id[8]; 1961da177e4SLinus Torvalds typedef unsigned long acpi_bus_address; 1971da177e4SLinus Torvalds typedef char acpi_device_name[40]; 1981da177e4SLinus Torvalds typedef char acpi_device_class[20]; 1991da177e4SLinus Torvalds 2007f47fa6cSBjorn Helgaas struct acpi_hardware_id { 2017f47fa6cSBjorn Helgaas struct list_head list; 2027f47fa6cSBjorn Helgaas char *id; 2037f47fa6cSBjorn Helgaas }; 2047f47fa6cSBjorn Helgaas 2051da177e4SLinus Torvalds struct acpi_device_pnp { 2061da177e4SLinus Torvalds acpi_bus_id bus_id; /* Object name */ 2071da177e4SLinus Torvalds acpi_bus_address bus_address; /* _ADR */ 20815b8dd53SBob Moore char *unique_id; /* _UID */ 2097f47fa6cSBjorn Helgaas struct list_head ids; /* _HID and _CIDs */ 2101da177e4SLinus Torvalds acpi_device_name device_name; /* Driver-determined */ 2111da177e4SLinus Torvalds acpi_device_class device_class; /* " */ 2121da177e4SLinus Torvalds }; 2131da177e4SLinus Torvalds 2141da177e4SLinus Torvalds #define acpi_device_bid(d) ((d)->pnp.bus_id) 2151da177e4SLinus Torvalds #define acpi_device_adr(d) ((d)->pnp.bus_address) 216620e112cSThomas Renninger const char *acpi_device_hid(struct acpi_device *device); 2171da177e4SLinus Torvalds #define acpi_device_name(d) ((d)->pnp.device_name) 2181da177e4SLinus Torvalds #define acpi_device_class(d) ((d)->pnp.device_class) 2191da177e4SLinus Torvalds 2201da177e4SLinus Torvalds /* Power Management */ 2211da177e4SLinus Torvalds 2221da177e4SLinus Torvalds struct acpi_device_power_flags { 2231da177e4SLinus Torvalds u32 explicit_get:1; /* _PSC present? */ 2241da177e4SLinus Torvalds u32 power_resources:1; /* Power resources */ 2251da177e4SLinus Torvalds u32 inrush_current:1; /* Serialize Dx->D0 */ 2261da177e4SLinus Torvalds u32 power_removed:1; /* Optimize Dx->D0 */ 2271da177e4SLinus Torvalds u32 reserved:28; 2281da177e4SLinus Torvalds }; 2291da177e4SLinus Torvalds 2301da177e4SLinus Torvalds struct acpi_device_power_state { 2311da177e4SLinus Torvalds struct { 2321da177e4SLinus Torvalds u8 valid:1; 2331da177e4SLinus Torvalds u8 explicit_set:1; /* _PSx present? */ 2341da177e4SLinus Torvalds u8 reserved:6; 2351da177e4SLinus Torvalds } flags; 2361da177e4SLinus Torvalds int power; /* % Power (compared to D0) */ 2371da177e4SLinus Torvalds int latency; /* Dx->D0 time (microseconds) */ 2381da177e4SLinus Torvalds struct acpi_handle_list resources; /* Power resources referenced */ 2391da177e4SLinus Torvalds }; 2401da177e4SLinus Torvalds 2411da177e4SLinus Torvalds struct acpi_device_power { 2421da177e4SLinus Torvalds int state; /* Current state */ 2431da177e4SLinus Torvalds struct acpi_device_power_flags flags; 244b4a03b9aSLin Ming struct acpi_device_power_state states[ACPI_D_STATE_COUNT]; /* Power states (D0-D3Cold) */ 2451da177e4SLinus Torvalds }; 2461da177e4SLinus Torvalds 2471da177e4SLinus Torvalds /* Performance Management */ 2481da177e4SLinus Torvalds 2491da177e4SLinus Torvalds struct acpi_device_perf_flags { 2501da177e4SLinus Torvalds u8 reserved:8; 2511da177e4SLinus Torvalds }; 2521da177e4SLinus Torvalds 2531da177e4SLinus Torvalds struct acpi_device_perf_state { 2541da177e4SLinus Torvalds struct { 2551da177e4SLinus Torvalds u8 valid:1; 2561da177e4SLinus Torvalds u8 reserved:7; 2571da177e4SLinus Torvalds } flags; 2581da177e4SLinus Torvalds u8 power; /* % Power (compared to P0) */ 2591da177e4SLinus Torvalds u8 performance; /* % Performance ( " ) */ 2601da177e4SLinus Torvalds int latency; /* Px->P0 time (microseconds) */ 2611da177e4SLinus Torvalds }; 2621da177e4SLinus Torvalds 2631da177e4SLinus Torvalds struct acpi_device_perf { 2641da177e4SLinus Torvalds int state; 2651da177e4SLinus Torvalds struct acpi_device_perf_flags flags; 2661da177e4SLinus Torvalds int state_count; 2671da177e4SLinus Torvalds struct acpi_device_perf_state *states; 2681da177e4SLinus Torvalds }; 2691da177e4SLinus Torvalds 2701da177e4SLinus Torvalds /* Wakeup Management */ 2711da177e4SLinus Torvalds struct acpi_device_wakeup_flags { 2721da177e4SLinus Torvalds u8 valid:1; /* Can successfully enable wakeup? */ 2731da177e4SLinus Torvalds u8 run_wake:1; /* Run-Wake GPE devices */ 274b67ea761SRafael J. Wysocki u8 notifier_present:1; /* Wake-up notify handler has been installed */ 2751da177e4SLinus Torvalds }; 2761da177e4SLinus Torvalds 2771da177e4SLinus Torvalds struct acpi_device_wakeup { 2781da177e4SLinus Torvalds acpi_handle gpe_device; 279439913ffSLin Ming u64 gpe_number; 280439913ffSLin Ming u64 sleep_state; 2811da177e4SLinus Torvalds struct acpi_handle_list resources; 2821da177e4SLinus Torvalds struct acpi_device_wakeup_flags flags; 2839b83ccd2SRafael J. Wysocki int prepare_count; 2841da177e4SLinus Torvalds }; 2851da177e4SLinus Torvalds 2861da177e4SLinus Torvalds /* Device */ 2871da177e4SLinus Torvalds 2881da177e4SLinus Torvalds struct acpi_device { 289caaa6efbSBjorn Helgaas int device_type; 290caaa6efbSBjorn Helgaas acpi_handle handle; /* no handle for fixed hardware */ 2911da177e4SLinus Torvalds struct acpi_device *parent; 2921da177e4SLinus Torvalds struct list_head children; 2931da177e4SLinus Torvalds struct list_head node; 2941da177e4SLinus Torvalds struct list_head wakeup_list; 2951da177e4SLinus Torvalds struct acpi_device_status status; 2961da177e4SLinus Torvalds struct acpi_device_flags flags; 2971da177e4SLinus Torvalds struct acpi_device_pnp pnp; 2981da177e4SLinus Torvalds struct acpi_device_power power; 2991da177e4SLinus Torvalds struct acpi_device_wakeup wakeup; 3001da177e4SLinus Torvalds struct acpi_device_perf performance; 3011da177e4SLinus Torvalds struct acpi_device_dir dir; 3021da177e4SLinus Torvalds struct acpi_device_ops ops; 3031da177e4SLinus Torvalds struct acpi_driver *driver; 3041da177e4SLinus Torvalds void *driver_data; 3055b327265SPatrick Mochel struct device dev; 306c4168bffSLi Shaohua struct acpi_bus_ops bus_ops; /* workaround for different code path for hotplug */ 30796333578SLi Shaohua enum acpi_bus_removal_type removal_type; /* indicate for different removal type */ 3081da177e4SLinus Torvalds }; 3091da177e4SLinus Torvalds 310db89b4f0SPavel Machek static inline void *acpi_driver_data(struct acpi_device *d) 311db89b4f0SPavel Machek { 312db89b4f0SPavel Machek return d->driver_data; 313db89b4f0SPavel Machek } 314db89b4f0SPavel Machek 315d43ec68eSPatrick Mochel #define to_acpi_device(d) container_of(d, struct acpi_device, dev) 316d43ec68eSPatrick Mochel #define to_acpi_driver(d) container_of(d, struct acpi_driver, drv) 3171da177e4SLinus Torvalds 31855955aadSDavid Brownell /* acpi_device.dev.bus == &acpi_bus_type */ 31955955aadSDavid Brownell extern struct bus_type acpi_bus_type; 32055955aadSDavid Brownell 3211da177e4SLinus Torvalds /* 3221da177e4SLinus Torvalds * Events 3231da177e4SLinus Torvalds * ------ 3241da177e4SLinus Torvalds */ 3251da177e4SLinus Torvalds 3261da177e4SLinus Torvalds struct acpi_bus_event { 3271da177e4SLinus Torvalds struct list_head node; 3281da177e4SLinus Torvalds acpi_device_class device_class; 3291da177e4SLinus Torvalds acpi_bus_id bus_id; 3301da177e4SLinus Torvalds u32 type; 3311da177e4SLinus Torvalds u32 data; 3321da177e4SLinus Torvalds }; 3331da177e4SLinus Torvalds 33499e0d2fcSGreg Kroah-Hartman extern struct kobject *acpi_kobj; 335962ce8caSZhang Rui extern int acpi_bus_generate_netlink_event(const char*, const char*, u8, int); 3368e4319c4SBob Moore void acpi_bus_private_data_handler(acpi_handle, void *); 33720733939SZhang Rui int acpi_bus_get_private_data(acpi_handle, void **); 3389ee85241SZhang Rui extern int acpi_notifier_call_chain(struct acpi_device *, u32, u32); 3399ee85241SZhang Rui extern int register_acpi_notifier(struct notifier_block *); 3409ee85241SZhang Rui extern int unregister_acpi_notifier(struct notifier_block *); 3416bd00a61SShaohua Li 3426bd00a61SShaohua Li extern int register_acpi_bus_notifier(struct notifier_block *nb); 3436bd00a61SShaohua Li extern void unregister_acpi_bus_notifier(struct notifier_block *nb); 3441da177e4SLinus Torvalds /* 3451da177e4SLinus Torvalds * External Functions 3461da177e4SLinus Torvalds */ 3471da177e4SLinus Torvalds 3481da177e4SLinus Torvalds int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); 3498e4319c4SBob Moore void acpi_bus_data_handler(acpi_handle handle, void *context); 350402ac536SBjorn Helgaas acpi_status acpi_bus_get_status_handle(acpi_handle handle, 351402ac536SBjorn Helgaas unsigned long long *sta); 3521da177e4SLinus Torvalds int acpi_bus_get_status(struct acpi_device *device); 3531da177e4SLinus Torvalds int acpi_bus_set_power(acpi_handle handle, int state); 35425eed407SRafael J. Wysocki int acpi_bus_update_power(acpi_handle handle, int *state_p); 3553737b2b1SRafael J. Wysocki bool acpi_bus_power_manageable(acpi_handle handle); 356eb9d0fe4SRafael J. Wysocki bool acpi_bus_can_wakeup(acpi_handle handle); 3570090def6SLin Ming int acpi_power_resource_register_device(struct device *dev, acpi_handle handle); 3580090def6SLin Ming void acpi_power_resource_unregister_device(struct device *dev, acpi_handle handle); 35914e04fb3SLen Brown #ifdef CONFIG_ACPI_PROC_EVENT 36014e04fb3SLen Brown int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data); 3618db85d4cSAlexey Starikovskiy int acpi_bus_generate_proc_event4(const char *class, const char *bid, u8 type, int data); 3621da177e4SLinus Torvalds int acpi_bus_receive_event(struct acpi_bus_event *event); 36314e04fb3SLen Brown #else 36414e04fb3SLen Brown static inline int acpi_bus_generate_proc_event(struct acpi_device *device, u8 type, int data) 36514e04fb3SLen Brown { return 0; } 36614e04fb3SLen Brown #endif 3671da177e4SLinus Torvalds int acpi_bus_register_driver(struct acpi_driver *driver); 36806ea8e08SBjorn Helgaas void acpi_bus_unregister_driver(struct acpi_driver *driver); 3691da177e4SLinus Torvalds int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent, 3701da177e4SLinus Torvalds acpi_handle handle, int type); 371ceaba663SKristen Accardi int acpi_bus_trim(struct acpi_device *start, int rmdevice); 3723fb02738SRajesh Shah int acpi_bus_start(struct acpi_device *device); 373c8f7a62cSLen Brown acpi_status acpi_bus_get_ejd(acpi_handle handle, acpi_handle * ejd); 3748c8eb78fSThomas Renninger int acpi_match_device_ids(struct acpi_device *device, 3758c8eb78fSThomas Renninger const struct acpi_device_id *ids); 3761da177e4SLinus Torvalds int acpi_create_dir(struct acpi_device *); 3771da177e4SLinus Torvalds void acpi_remove_dir(struct acpi_device *); 3781da177e4SLinus Torvalds 3794e10d12aSDavid Shaohua Li /* 3804e10d12aSDavid Shaohua Li * Bind physical devices with ACPI devices 3814e10d12aSDavid Shaohua Li */ 3824e10d12aSDavid Shaohua Li struct acpi_bus_type { 3834e10d12aSDavid Shaohua Li struct list_head list; 3844e10d12aSDavid Shaohua Li struct bus_type *bus; 3854e10d12aSDavid Shaohua Li /* For general devices under the bus */ 3864e10d12aSDavid Shaohua Li int (*find_device) (struct device *, acpi_handle *); 3874e10d12aSDavid Shaohua Li /* For bridges, such as PCI root bridge, IDE controller */ 3884e10d12aSDavid Shaohua Li int (*find_bridge) (struct device *, acpi_handle *); 3894e10d12aSDavid Shaohua Li }; 3904e10d12aSDavid Shaohua Li int register_acpi_bus_type(struct acpi_bus_type *); 3914e10d12aSDavid Shaohua Li int unregister_acpi_bus_type(struct acpi_bus_type *); 3924e10d12aSDavid Shaohua Li struct device *acpi_get_physical_device(acpi_handle); 39322c13f9dSThomas Renninger 39476d56de5SAlex Chiang struct acpi_pci_root { 39576d56de5SAlex Chiang struct list_head node; 39676d56de5SAlex Chiang struct acpi_device * device; 39776d56de5SAlex Chiang struct acpi_pci_id id; 39876d56de5SAlex Chiang struct pci_bus *bus; 39976d56de5SAlex Chiang u16 segment; 4006ad95513SBjorn Helgaas struct resource secondary; /* downstream bus range */ 40176d56de5SAlex Chiang 40276d56de5SAlex Chiang u32 osc_support_set; /* _OSC state of support bits */ 40376d56de5SAlex Chiang u32 osc_control_set; /* _OSC state of control bits */ 404f4b57a3bSJiang Liu phys_addr_t mcfg_addr; 40576d56de5SAlex Chiang }; 40676d56de5SAlex Chiang 4074e10d12aSDavid Shaohua Li /* helper */ 408439913ffSLin Ming acpi_handle acpi_get_child(acpi_handle, u64); 40927558203SAlexander Chiang int acpi_is_root_bridge(acpi_handle); 4104e10d12aSDavid Shaohua Li acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); 41176d56de5SAlex Chiang struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); 412465ae641SBenjamin Herrenschmidt #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->archdata.acpi_handle)) 4134e10d12aSDavid Shaohua Li 414b67ea761SRafael J. Wysocki int acpi_enable_wakeup_device_power(struct acpi_device *dev, int state); 415b67ea761SRafael J. Wysocki int acpi_disable_wakeup_device_power(struct acpi_device *dev); 416b67ea761SRafael J. Wysocki 417aa338601SRafael J. Wysocki #ifdef CONFIG_PM 41806166780SDavid Brownell int acpi_pm_device_sleep_state(struct device *, int *); 419761afb86SRafael J. Wysocki #else 42006166780SDavid Brownell static inline int acpi_pm_device_sleep_state(struct device *d, int *p) 421296699deSRafael J. Wysocki { 422296699deSRafael J. Wysocki if (p) 423296699deSRafael J. Wysocki *p = ACPI_STATE_D0; 424296699deSRafael J. Wysocki return ACPI_STATE_D3; 425296699deSRafael J. Wysocki } 426761afb86SRafael J. Wysocki #endif 427761afb86SRafael J. Wysocki 428761afb86SRafael J. Wysocki #ifdef CONFIG_PM_SLEEP 429b24e5098SLin Ming int acpi_pm_device_run_wake(struct device *, bool); 430761afb86SRafael J. Wysocki int acpi_pm_device_sleep_wake(struct device *, bool); 431761afb86SRafael J. Wysocki #else 432b24e5098SLin Ming static inline int acpi_pm_device_run_wake(struct device *dev, bool enable) 433b24e5098SLin Ming { 434b24e5098SLin Ming return -ENODEV; 435b24e5098SLin Ming } 436f7a1b860SDavid Howells static inline int acpi_pm_device_sleep_wake(struct device *dev, bool enable) 437f7a1b860SDavid Howells { 438f7a1b860SDavid Howells return -ENODEV; 439f7a1b860SDavid Howells } 440761afb86SRafael J. Wysocki #endif 441fd4aff1aSShaohua Li 44266886d6fSMatthew Garrett #else /* CONFIG_ACPI */ 44366886d6fSMatthew Garrett 4447ae30986SLen Brown static inline int register_acpi_bus_type(void *bus) { return 0; } 4457ae30986SLen Brown static inline int unregister_acpi_bus_type(void *bus) { return 0; } 44666886d6fSMatthew Garrett 44776f58584SLen Brown #endif /* CONFIG_ACPI */ 4481da177e4SLinus Torvalds 4491da177e4SLinus Torvalds #endif /*__ACPI_BUS_H__*/ 450