diff options
Diffstat (limited to 'include/acpi/acpi_bus.h')
| -rw-r--r-- | include/acpi/acpi_bus.h | 332 |
1 files changed, 158 insertions, 174 deletions
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 8d0e1290bc7..0b54e9a4a8a 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -35,48 +35,41 @@ /* TBD: Make dynamic */ #define ACPI_MAX_HANDLES 10 struct acpi_handle_list { - u32 count; - acpi_handle handles[ACPI_MAX_HANDLES]; + u32 count; + acpi_handle handles[ACPI_MAX_HANDLES]; }; - /* acpi_utils.h */ acpi_status -acpi_extract_package ( - union acpi_object *package, - struct acpi_buffer *format, - struct acpi_buffer *buffer); +acpi_extract_package(union acpi_object *package, + struct acpi_buffer *format, struct acpi_buffer *buffer); acpi_status -acpi_evaluate_integer ( - acpi_handle handle, - acpi_string pathname, - struct acpi_object_list *arguments, - unsigned long *data); +acpi_evaluate_integer(acpi_handle handle, + acpi_string pathname, + struct acpi_object_list *arguments, unsigned long *data); acpi_status -acpi_evaluate_reference ( - acpi_handle handle, - acpi_string pathname, - struct acpi_object_list *arguments, - struct acpi_handle_list *list); - +acpi_evaluate_reference(acpi_handle handle, + acpi_string pathname, + struct acpi_object_list *arguments, + struct acpi_handle_list *list); -#ifdef CONFIG_ACPI_BUS +#ifdef CONFIG_ACPI #include <linux/proc_fs.h> #define ACPI_BUS_FILE_ROOT "acpi" -extern struct proc_dir_entry *acpi_root_dir; -extern FADT_DESCRIPTOR acpi_fadt; +extern struct proc_dir_entry *acpi_root_dir; +extern FADT_DESCRIPTOR acpi_fadt; enum acpi_bus_removal_type { - ACPI_BUS_REMOVAL_NORMAL = 0, + ACPI_BUS_REMOVAL_NORMAL = 0, ACPI_BUS_REMOVAL_EJECT, ACPI_BUS_REMOVAL_SUPRISE, ACPI_BUS_REMOVAL_TYPE_COUNT }; enum acpi_bus_device_type { - ACPI_BUS_TYPE_DEVICE = 0, + ACPI_BUS_TYPE_DEVICE = 0, ACPI_BUS_TYPE_POWER, ACPI_BUS_TYPE_PROCESSOR, ACPI_BUS_TYPE_THERMAL, @@ -89,61 +82,60 @@ enum acpi_bus_device_type { struct acpi_driver; struct acpi_device; - /* * ACPI Driver * ----------- */ -typedef int (*acpi_op_add) (struct acpi_device *device); -typedef int (*acpi_op_remove) (struct acpi_device *device, int type); -typedef int (*acpi_op_lock) (struct acpi_device *device, int type); -typedef int (*acpi_op_start) (struct acpi_device *device); -typedef int (*acpi_op_stop) (struct acpi_device *device, int type); -typedef int (*acpi_op_suspend) (struct acpi_device *device, int state); -typedef int (*acpi_op_resume) (struct acpi_device *device, int state); -typedef int (*acpi_op_scan) (struct acpi_device *device); -typedef int (*acpi_op_bind) (struct acpi_device *device); -typedef int (*acpi_op_unbind) (struct acpi_device *device); -typedef int (*acpi_op_match) (struct acpi_device *device, - struct acpi_driver *driver); +typedef int (*acpi_op_add) (struct acpi_device * device); +typedef int (*acpi_op_remove) (struct acpi_device * device, int type); +typedef int (*acpi_op_lock) (struct acpi_device * device, int type); +typedef int (*acpi_op_start) (struct acpi_device * device); +typedef int (*acpi_op_stop) (struct acpi_device * device, int type); +typedef int (*acpi_op_suspend) (struct acpi_device * device, int state); +typedef int (*acpi_op_resume) (struct acpi_device * device, int state); +typedef int (*acpi_op_scan) (struct acpi_device * device); +typedef int (*acpi_op_bind) (struct acpi_device * device); +typedef int (*acpi_op_unbind) (struct acpi_device * device); +typedef int (*acpi_op_match) (struct acpi_device * device, + struct acpi_driver * driver); struct acpi_bus_ops { - u32 acpi_op_add:1; - u32 acpi_op_remove:1; - u32 acpi_op_lock:1; - u32 acpi_op_start:1; - u32 acpi_op_stop:1; - u32 acpi_op_suspend:1; - u32 acpi_op_resume:1; - u32 acpi_op_scan:1; - u32 acpi_op_bind:1; - u32 acpi_op_unbind:1; - u32 acpi_op_match:1; - u32 reserved:21; + u32 acpi_op_add:1; + u32 acpi_op_remove:1; + u32 acpi_op_lock:1; + u32 acpi_op_start:1; + u32 acpi_op_stop:1; + u32 acpi_op_suspend:1; + u32 acpi_op_resume:1; + u32 acpi_op_scan:1; + u32 acpi_op_bind:1; + u32 acpi_op_unbind:1; + u32 acpi_op_match:1; + u32 reserved:21; }; struct acpi_device_ops { - acpi_op_add add; - acpi_op_remove remove; - acpi_op_lock lock; - acpi_op_start start; - acpi_op_stop stop; - acpi_op_suspend suspend; - acpi_op_resume resume; - acpi_op_scan scan; - acpi_op_bind bind; - acpi_op_unbind unbind; - acpi_op_match match; + acpi_op_add add; + acpi_op_remove remove; + acpi_op_lock lock; + acpi_op_start start; + acpi_op_stop stop; + acpi_op_suspend suspend; + acpi_op_resume resume; + acpi_op_scan scan; + acpi_op_bind bind; + acpi_op_unbind unbind; + acpi_op_match match; }; struct acpi_driver { - struct list_head node; - char name[80]; - char class[80]; - atomic_t references; - char *ids; /* Supported Hardware IDs */ - struct acpi_device_ops ops; + struct list_head node; + char name[80]; + char class[80]; + atomic_t references; + char *ids; /* Supported Hardware IDs */ + struct acpi_device_ops ops; }; /* @@ -154,60 +146,57 @@ struct acpi_driver { /* Status (_STA) */ struct acpi_device_status { - u32 present:1; - u32 enabled:1; - u32 show_in_ui:1; - u32 functional:1; - u32 battery_present:1; - u32 reserved:27; + u32 present:1; + u32 enabled:1; + u32 show_in_ui:1; + u32 functional:1; + u32 battery_present:1; + u32 reserved:27; }; - /* Flags */ struct acpi_device_flags { - u32 dynamic_status:1; - u32 hardware_id:1; - u32 compatible_ids:1; - u32 bus_address:1; - u32 unique_id:1; - u32 removable:1; - u32 ejectable:1; - u32 lockable:1; - u32 suprise_removal_ok:1; - u32 power_manageable:1; - u32 performance_manageable:1; - u32 wake_capable:1; /* Wakeup(_PRW) supported? */ - u32 reserved:20; + u32 dynamic_status:1; + u32 hardware_id:1; + u32 compatible_ids:1; + u32 bus_address:1; + u32 unique_id:1; + u32 removable:1; + u32 ejectable:1; + u32 lockable:1; + u32 suprise_removal_ok:1; + u32 power_manageable:1; + u32 performance_manageable:1; + u32 wake_capable:1; /* Wakeup(_PRW) supported? */ + u32 reserved:20; }; - /* File System */ struct acpi_device_dir { - struct proc_dir_entry *entry; + struct proc_dir_entry *entry; }; #define acpi_device_dir(d) ((d)->dir.entry) - /* Plug and Play */ -typedef char acpi_bus_id[5]; -typedef unsigned long acpi_bus_address; -typedef char acpi_hardware_id[9]; -typedef char acpi_unique_id[9]; -typedef char acpi_device_name[40]; -typedef char acpi_device_class[20]; +typedef char acpi_bus_id[5]; +typedef unsigned long acpi_bus_address; +typedef char acpi_hardware_id[9]; +typedef char acpi_unique_id[9]; +typedef char acpi_device_name[40]; +typedef char acpi_device_class[20]; struct acpi_device_pnp { - acpi_bus_id bus_id; /* Object name */ - acpi_bus_address bus_address; /* _ADR */ - acpi_hardware_id hardware_id; /* _HID */ - struct acpi_compatible_id_list *cid_list; /* _CIDs */ - acpi_unique_id unique_id; /* _UID */ - acpi_device_name device_name; /* Driver-determined */ - acpi_device_class device_class; /* " */ + acpi_bus_id bus_id; /* Object name */ + acpi_bus_address bus_address; /* _ADR */ + acpi_hardware_id hardware_id; /* _HID */ + struct acpi_compatible_id_list *cid_list; /* _CIDs */ + acpi_unique_id unique_id; /* _UID */ + acpi_device_name device_name; /* Driver-determined */ + acpi_device_class device_class; /* " */ }; #define acpi_device_bid(d) ((d)->pnp.bus_id) @@ -217,114 +206,111 @@ struct acpi_device_pnp { #define acpi_device_name(d) ((d)->pnp.device_name) #define acpi_device_class(d) ((d)->pnp.device_class) - /* Power Management */ struct acpi_device_power_flags { - u32 explicit_get:1; /* _PSC present? */ - u32 power_resources:1; /* Power resources */ - u32 inrush_current:1; /* Serialize Dx->D0 */ - u32 power_removed:1; /* Optimize Dx->D0 */ - u32 reserved:28; + u32 explicit_get:1; /* _PSC present? */ + u32 power_resources:1; /* Power resources */ + u32 inrush_current:1; /* Serialize Dx->D0 */ + u32 power_removed:1; /* Optimize Dx->D0 */ + u32 reserved:28; }; struct acpi_device_power_state { struct { - u8 valid:1; - u8 explicit_set:1; /* _PSx present? */ - u8 reserved:6; - } flags; - int power; /* % Power (compared to D0) */ - int latency; /* Dx->D0 time (microseconds) */ - struct acpi_handle_list resources; /* Power resources referenced */ + u8 valid:1; + u8 explicit_set:1; /* _PSx present? */ + u8 reserved:6; + } flags; + int power; /* % Power (compared to D0) */ + int latency; /* Dx->D0 time (microseconds) */ + struct acpi_handle_list resources; /* Power resources referenced */ }; struct acpi_device_power { - int state; /* Current state */ + int state; /* Current state */ struct acpi_device_power_flags flags; - struct acpi_device_power_state states[4]; /* Power states (D0-D3) */ + struct acpi_device_power_state states[4]; /* Power states (D0-D3) */ }; - /* Performance Management */ struct acpi_device_perf_flags { - u8 reserved:8; + u8 reserved:8; }; struct acpi_device_perf_state { struct { - u8 valid:1; - u8 reserved:7; - } flags; - u8 power; /* % Power (compared to P0) */ - u8 performance; /* % Performance ( " ) */ - int latency; /* Px->P0 time (microseconds) */ + u8 valid:1; + u8 reserved:7; + } flags; + u8 power; /* % Power (compared to P0) */ + u8 performance; /* % Performance ( " ) */ + int latency; /* Px->P0 time (microseconds) */ }; struct acpi_device_perf { - int state; + int state; struct acpi_device_perf_flags flags; - int state_count; + int state_count; struct acpi_device_perf_state *states; }; /* Wakeup Management */ struct acpi_device_wakeup_flags { - u8 valid:1; /* Can successfully enable wakeup? */ - u8 run_wake:1; /* Run-Wake GPE devices */ + u8 valid:1; /* Can successfully enable wakeup? */ + u8 run_wake:1; /* Run-Wake GPE devices */ }; struct acpi_device_wakeup_state { - u8 enabled:1; - u8 active:1; + u8 enabled:1; + u8 active:1; }; struct acpi_device_wakeup { - acpi_handle gpe_device; - acpi_integer gpe_number;; - acpi_integer sleep_state; - struct acpi_handle_list resources; - struct acpi_device_wakeup_state state; - struct acpi_device_wakeup_flags flags; + acpi_handle gpe_device; + acpi_integer gpe_number;; + acpi_integer sleep_state; + struct acpi_handle_list resources; + struct acpi_device_wakeup_state state; + struct acpi_device_wakeup_flags flags; }; /* Device */ struct acpi_device { - acpi_handle handle; - struct acpi_device *parent; - struct list_head children; - struct list_head node; - struct list_head wakeup_list; - struct list_head g_list; + acpi_handle handle; + struct acpi_device *parent; + struct list_head children; + struct list_head node; + struct list_head wakeup_list; + struct list_head g_list; struct acpi_device_status status; struct acpi_device_flags flags; - struct acpi_device_pnp pnp; + struct acpi_device_pnp pnp; struct acpi_device_power power; struct acpi_device_wakeup wakeup; - struct acpi_device_perf performance; - struct acpi_device_dir dir; - struct acpi_device_ops ops; - struct acpi_driver *driver; - void *driver_data; - struct kobject kobj; + struct acpi_device_perf performance; + struct acpi_device_dir dir; + struct acpi_device_ops ops; + struct acpi_driver *driver; + void *driver_data; + struct kobject kobj; }; #define acpi_driver_data(d) ((d)->driver_data) - /* * Events * ------ */ struct acpi_bus_event { - struct list_head node; - acpi_device_class device_class; - acpi_bus_id bus_id; - u32 type; - u32 data; + struct list_head node; + acpi_device_class device_class; + acpi_bus_id bus_id; + u32 type; + u32 data; }; extern struct subsystem acpi_subsys; @@ -335,34 +321,32 @@ extern struct subsystem acpi_subsys; int acpi_bus_get_device(acpi_handle handle, struct acpi_device **device); void acpi_bus_data_handler(acpi_handle handle, u32 function, void *context); -int acpi_bus_get_status (struct acpi_device *device); -int acpi_bus_get_power (acpi_handle handle, int *state); -int acpi_bus_set_power (acpi_handle handle, int state); -int acpi_bus_generate_event (struct acpi_device *device, u8 type, int data); -int acpi_bus_receive_event (struct acpi_bus_event *event); -int acpi_bus_register_driver (struct acpi_driver *driver); -int acpi_bus_unregister_driver (struct acpi_driver *driver); -int acpi_bus_add (struct acpi_device **child, struct acpi_device *parent, - acpi_handle handle, int type); -int acpi_bus_start (struct acpi_device *device); +int acpi_bus_get_status(struct acpi_device *device); +int acpi_bus_get_power(acpi_handle handle, int *state); +int acpi_bus_set_power(acpi_handle handle, int state); +int acpi_bus_generate_event(struct acpi_device *device, u8 type, int data); +int acpi_bus_receive_event(struct acpi_bus_event *event); +int acpi_bus_register_driver(struct acpi_driver *driver); +int acpi_bus_unregister_driver(struct acpi_driver *driver); +int acpi_bus_add(struct acpi_device **child, struct acpi_device *parent, + acpi_handle handle, int type); +int acpi_bus_start(struct acpi_device *device); - -int acpi_match_ids (struct acpi_device *device, char *ids); +int acpi_match_ids(struct acpi_device *device, char *ids); int acpi_create_dir(struct acpi_device *); void acpi_remove_dir(struct acpi_device *); - /* * Bind physical devices with ACPI devices */ #include <linux/device.h> struct acpi_bus_type { - struct list_head list; - struct bus_type *bus; - /* For general devices under the bus*/ - int (*find_device)(struct device *, acpi_handle*); + struct list_head list; + struct bus_type *bus; + /* For general devices under the bus */ + int (*find_device) (struct device *, acpi_handle *); /* For bridges, such as PCI root bridge, IDE controller */ - int (*find_bridge)(struct device *, acpi_handle *); + int (*find_bridge) (struct device *, acpi_handle *); }; int register_acpi_bus_type(struct acpi_bus_type *); int unregister_acpi_bus_type(struct acpi_bus_type *); @@ -372,6 +356,6 @@ acpi_handle acpi_get_child(acpi_handle, acpi_integer); acpi_handle acpi_get_pci_rootbridge_handle(unsigned int, unsigned int); #define DEVICE_ACPI_HANDLE(dev) ((acpi_handle)((dev)->firmware_data)) -#endif /*CONFIG_ACPI_BUS*/ +#endif /* CONFIG_ACPI */ #endif /*__ACPI_BUS_H__*/ |