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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [include/] [acpi/] [acpi_bus.h] - Rev 1275
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/* * acpi_bus.h - ACPI Bus Driver ($Revision: 1.1.1.1 $) * * Copyright (C) 2001, 2002 Andy Grover <andrew.grover@intel.com> * Copyright (C) 2001, 2002 Paul Diefenbaugh <paul.s.diefenbaugh@intel.com> * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or (at * your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ */ #ifndef __ACPI_BUS_H__ #define __ACPI_BUS_H__ #include <linux/version.h> #if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,4)) #include <linux/device.h> #define CONFIG_LDM #endif #include <acpi/acpi.h> /* TBD: Make dynamic */ #define ACPI_MAX_HANDLES 10 struct acpi_handle_list { 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_status 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); #ifdef CONFIG_ACPI_BUS #include <linux/proc_fs.h> #define ACPI_BUS_FILE_ROOT "acpi" 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_EJECT, ACPI_BUS_REMOVAL_SUPRISE, ACPI_BUS_REMOVAL_TYPE_COUNT }; enum acpi_bus_device_type { ACPI_BUS_TYPE_DEVICE = 0, ACPI_BUS_TYPE_POWER, ACPI_BUS_TYPE_PROCESSOR, ACPI_BUS_TYPE_THERMAL, ACPI_BUS_TYPE_SYSTEM, ACPI_BUS_TYPE_POWER_BUTTON, ACPI_BUS_TYPE_SLEEP_BUTTON, ACPI_BUS_DEVICE_TYPE_COUNT }; 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); 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; }; struct acpi_driver { struct list_head node; char name[80]; char class[80]; int references; char *ids; /* Supported Hardware IDs */ struct acpi_device_ops ops; }; /* * ACPI Device * ----------- */ /* 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; }; /* 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 reserved:21; }; /* File System */ struct acpi_device_dir { 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]; 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; /* " */ }; #define acpi_device_bid(d) ((d)->pnp.bus_id) #define acpi_device_adr(d) ((d)->pnp.bus_address) #define acpi_device_hid(d) ((d)->pnp.hardware_id) #define acpi_device_uid(d) ((d)->pnp.unique_id) #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 wake_capable:1; /* Wakeup supported? */ u32 wake_enabled:1; /* Enabled for wakeup */ u32 power_removed:1; /* Optimize Dx->D0 */ u32 reserved:26; }; 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 */ }; struct acpi_device_power { int state; /* Current state */ struct acpi_device_power_flags flags; struct acpi_device_power_state states[4]; /* Power states (D0-D3) */ }; /* Performance Management */ struct acpi_device_perf_flags { 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) */ }; struct acpi_device_perf { int state; struct acpi_device_perf_flags flags; int state_count; struct acpi_device_perf_state *states; }; /* Device */ struct acpi_device { acpi_handle handle; struct acpi_device *parent; struct list_head children; struct list_head node; struct acpi_device_status status; struct acpi_device_flags flags; struct acpi_device_pnp pnp; struct acpi_device_power power; struct acpi_device_perf performance; struct acpi_device_dir dir; struct acpi_device_ops ops; struct acpi_driver *driver; void *driver_data; #ifdef CONFIG_LDM struct device dev; #endif }; #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; }; /* * External Functions */ int acpi_bus_get_device(acpi_handle, 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_scan (struct acpi_device *device); int acpi_init (void); void acpi_exit (void); #endif /*CONFIG_ACPI_BUS*/ #endif /*__ACPI_BUS_H__*/
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