WebSVN - shark - Blame - Rev 434 - /shark/trunk/drivers/linuxc26/include/acpi/acpi

Rev	Author	Line No.	Line
434	giacomo	1	/*
		2	* acpi_bus.h - ACPI Bus Driver ($Revision: 1.1 $)
		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
		29	#include <linux/kobject.h>
		30
		31	#include <acpi/acpi.h>
		32
		33	#define PREFIX "ACPI: "
		34
		35	extern int acpi_disabled;
		36
		37	/* TBD: Make dynamic */
		38	#define ACPI_MAX_HANDLES 10
		39	struct acpi_handle_list {
		40	u32 count;
		41	acpi_handle handles[ACPI_MAX_HANDLES];
		42	};
		43
		44
		45	/* acpi_utils.h */
		46	acpi_status
		47	acpi_extract_package (
		48	union acpi_object *package,
		49	struct acpi_buffer *format,
		50	struct acpi_buffer *buffer);
		51	acpi_status
		52	acpi_evaluate_integer (
		53	acpi_handle handle,
		54	acpi_string pathname,
		55	struct acpi_object_list *arguments,
		56	unsigned long *data);
		57	acpi_status
		58	acpi_evaluate_reference (
		59	acpi_handle handle,
		60	acpi_string pathname,
		61	struct acpi_object_list *arguments,
		62	struct acpi_handle_list *list);
		63
		64
		65	#ifdef CONFIG_ACPI_BUS
		66
		67	#include <linux/proc_fs.h>
		68
		69	#define ACPI_BUS_FILE_ROOT "acpi"
		70	extern struct proc_dir_entry *acpi_root_dir;
		71	extern FADT_DESCRIPTOR acpi_fadt;
		72
		73	enum acpi_bus_removal_type {
		74	ACPI_BUS_REMOVAL_NORMAL = 0,
		75	ACPI_BUS_REMOVAL_EJECT,
		76	ACPI_BUS_REMOVAL_SUPRISE,
		77	ACPI_BUS_REMOVAL_TYPE_COUNT
		78	};
		79
		80	enum acpi_bus_device_type {
		81	ACPI_BUS_TYPE_DEVICE = 0,
		82	ACPI_BUS_TYPE_POWER,
		83	ACPI_BUS_TYPE_PROCESSOR,
		84	ACPI_BUS_TYPE_THERMAL,
		85	ACPI_BUS_TYPE_SYSTEM,
		86	ACPI_BUS_TYPE_POWER_BUTTON,
		87	ACPI_BUS_TYPE_SLEEP_BUTTON,
		88	ACPI_BUS_DEVICE_TYPE_COUNT
		89	};
		90
		91	struct acpi_driver;
		92	struct acpi_device;
		93
		94
		95	/*
		96	* ACPI Driver
		97	* -----------
		98	*/
		99
		100	typedef int (acpi_op_add) (struct acpi_device device);
		101	typedef int (acpi_op_remove) (struct acpi_device device, int type);
		102	typedef int (acpi_op_lock) (struct acpi_device device, int type);
		103	typedef int (acpi_op_start) (struct acpi_device device);
		104	typedef int (acpi_op_stop) (struct acpi_device device, int type);
		105	typedef int (acpi_op_suspend) (struct acpi_device device, int state);
		106	typedef int (acpi_op_resume) (struct acpi_device device, int state);
		107	typedef int (acpi_op_scan) (struct acpi_device device);
		108	typedef int (acpi_op_bind) (struct acpi_device device);
		109
		110	struct acpi_device_ops {
		111	acpi_op_add add;
		112	acpi_op_remove remove;
		113	acpi_op_lock lock;
		114	acpi_op_start start;
		115	acpi_op_stop stop;
		116	acpi_op_suspend suspend;
		117	acpi_op_resume resume;
		118	acpi_op_scan scan;
		119	acpi_op_bind bind;
		120	};
		121
		122	struct acpi_driver {
		123	struct list_head node;
		124	char name[80];
		125	char class[80];
		126	atomic_t references;
		127	char ids; / Supported Hardware IDs */
		128	struct acpi_device_ops ops;
		129	};
		130
		131	/*
		132	* ACPI Device
		133	* -----------
		134	*/
		135
		136	/* Status (_STA) */
		137
		138	struct acpi_device_status {
		139	u32 present:1;
		140	u32 enabled:1;
		141	u32 show_in_ui:1;
		142	u32 functional:1;
		143	u32 battery_present:1;
		144	u32 reserved:27;
		145	};
		146
		147
		148	/* Flags */
		149
		150	struct acpi_device_flags {
		151	u32 dynamic_status:1;
		152	u32 hardware_id:1;
		153	u32 compatible_ids:1;
		154	u32 bus_address:1;
		155	u32 unique_id:1;
		156	u32 removable:1;
		157	u32 ejectable:1;
		158	u32 lockable:1;
		159	u32 suprise_removal_ok:1;
		160	u32 power_manageable:1;
		161	u32 performance_manageable:1;
		162	u32 reserved:21;
		163	};
		164
		165
		166	/* File System */
		167
		168	struct acpi_device_dir {
		169	struct proc_dir_entry *entry;
		170	};
		171
		172	#define acpi_device_dir(d) ((d)->dir.entry)
		173
		174
		175	/* Plug and Play */
		176
		177	typedef char acpi_bus_id[5];
		178	typedef unsigned long acpi_bus_address;
		179	typedef char acpi_hardware_id[9];
		180	typedef char acpi_unique_id[9];
		181	typedef char acpi_device_name[40];
		182	typedef char acpi_device_class[20];
		183
		184	struct acpi_device_pnp {
		185	acpi_bus_id bus_id; /* Object name */
		186	acpi_bus_address bus_address; /* _ADR */
		187	acpi_hardware_id hardware_id; /* _HID */
		188	struct acpi_compatible_id_list cid_list; / _CIDs */
		189	acpi_unique_id unique_id; /* _UID */
		190	acpi_device_name device_name; /* Driver-determined */
		191	acpi_device_class device_class; /* " */
		192	};
		193
		194	#define acpi_device_bid(d) ((d)->pnp.bus_id)
		195	#define acpi_device_adr(d) ((d)->pnp.bus_address)
		196	#define acpi_device_hid(d) ((d)->pnp.hardware_id)
		197	#define acpi_device_uid(d) ((d)->pnp.unique_id)
		198	#define acpi_device_name(d) ((d)->pnp.device_name)
		199	#define acpi_device_class(d) ((d)->pnp.device_class)
		200
		201
		202	/* Power Management */
		203
		204	struct acpi_device_power_flags {
		205	u32 explicit_get:1; /* _PSC present? */
		206	u32 power_resources:1; /* Power resources */
		207	u32 inrush_current:1; /* Serialize Dx->D0 */
		208	u32 wake_capable:1; /* Wakeup supported? */
		209	u32 wake_enabled:1; /* Enabled for wakeup */
		210	u32 power_removed:1; /* Optimize Dx->D0 */
		211	u32 reserved:26;
		212	};
		213
		214	struct acpi_device_power_state {
		215	struct {
		216	u8 valid:1;
		217	u8 explicit_set:1; /* _PSx present? */
		218	u8 reserved:6;
		219	} flags;
		220	int power; /* % Power (compared to D0) */
		221	int latency; /* Dx->D0 time (microseconds) */
		222	struct acpi_handle_list resources; /* Power resources referenced */
		223	};
		224
		225	struct acpi_device_power {
		226	int state; /* Current state */
		227	struct acpi_device_power_flags flags;
		228	struct acpi_device_power_state states[4]; /* Power states (D0-D3) */
		229	};
		230
		231
		232	/* Performance Management */
		233
		234	struct acpi_device_perf_flags {
		235	u8 reserved:8;
		236	};
		237
		238	struct acpi_device_perf_state {
		239	struct {
		240	u8 valid:1;
		241	u8 reserved:7;
		242	} flags;
		243	u8 power; /* % Power (compared to P0) */
		244	u8 performance; /* % Performance ( " ) */
		245	int latency; /* Px->P0 time (microseconds) */
		246	};
		247
		248	struct acpi_device_perf {
		249	int state;
		250	struct acpi_device_perf_flags flags;
		251	int state_count;
		252	struct acpi_device_perf_state *states;
		253	};
		254
		255
		256	/* Device */
		257
		258	struct acpi_device {
		259	acpi_handle handle;
		260	struct acpi_device *parent;
		261	struct list_head children;
		262	struct list_head node;
		263	struct list_head g_list;
		264	struct acpi_device_status status;
		265	struct acpi_device_flags flags;
		266	struct acpi_device_pnp pnp;
		267	struct acpi_device_power power;
		268	struct acpi_device_perf performance;
		269	struct acpi_device_dir dir;
		270	struct acpi_device_ops ops;
		271	struct acpi_driver *driver;
		272	void *driver_data;
		273	struct kobject kobj;
		274	};
		275
		276	#define acpi_driver_data(d) ((d)->driver_data)
		277
		278
		279	/*
		280	* Events
		281	* ------
		282	*/
		283
		284	struct acpi_bus_event {
		285	struct list_head node;
		286	acpi_device_class device_class;
		287	acpi_bus_id bus_id;
		288	u32 type;
		289	u32 data;
		290	};
		291
		292	extern struct subsystem acpi_subsys;
		293
		294	/*
		295	* External Functions
		296	*/
		297
		298	int acpi_bus_get_device(acpi_handle, struct acpi_device **device);
		299	int acpi_bus_get_status (struct acpi_device *device);
		300	int acpi_bus_get_power (acpi_handle handle, int *state);
		301	int acpi_bus_set_power (acpi_handle handle, int state);
		302	int acpi_bus_generate_event (struct acpi_device *device, u8 type, int data);
		303	int acpi_bus_receive_event (struct acpi_bus_event *event);
		304	int acpi_bus_register_driver (struct acpi_driver *driver);
		305	int acpi_bus_unregister_driver (struct acpi_driver *driver);
		306
		307	int acpi_create_dir(struct acpi_device *);
		308	void acpi_remove_dir(struct acpi_device *);
		309
		310	#endif /CONFIG_ACPI_BUS/
		311
		312	#endif /__ACPI_BUS_H__/

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