[linux-2.6-block.git] / drivers / acpi / internal.h

/*
 * acpi/internal.h
 * For use by Linux/ACPI infrastructure, not drivers
 *
 * Copyright (c) 2009, Intel Corporation.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope 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.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 */

#ifndef _ACPI_INTERNAL_H_
#define _ACPI_INTERNAL_H_

#include <linux/sysdev.h>

#define PREFIX "ACPI: "

int init_acpi_device_notify(void);
int acpi_scan_init(void);
int acpi_sysfs_init(void);

#ifdef CONFIG_DEBUG_FS
int acpi_debugfs_init(void);
#else
static inline int acpi_debugfs_init(void) { return 0; }
#endif

/* --------------------------------------------------------------------------
                                  Power Resource
   -------------------------------------------------------------------------- */
int acpi_power_init(void);
int acpi_device_sleep_wake(struct acpi_device *dev,
                           int enable, int sleep_state, int dev_state);
int acpi_power_get_inferred_state(struct acpi_device *device, int *state);
int acpi_power_on_resources(struct acpi_device *device, int state);
int acpi_power_transition(struct acpi_device *device, int state);
int acpi_bus_init_power(struct acpi_device *device);

int acpi_wakeup_device_init(void);
void acpi_early_processor_set_pdc(void);

/* --------------------------------------------------------------------------
                                  Embedded Controller
   -------------------------------------------------------------------------- */
struct acpi_ec {
	acpi_handle handle;
	unsigned long gpe;
	unsigned long command_addr;
	unsigned long data_addr;
	unsigned long global_lock;
	unsigned long flags;
	struct mutex lock;
	wait_queue_head_t wait;
	struct list_head list;
	struct transaction *curr;
	spinlock_t curr_lock;
	struct sys_device sysdev;
};

extern struct acpi_ec *first_ec;

int acpi_ec_init(void);
int acpi_ec_ecdt_probe(void);
int acpi_boot_ec_enable(void);
void acpi_ec_block_transactions(void);
void acpi_ec_unblock_transactions(void);
void acpi_ec_unblock_transactions_early(void);

/*--------------------------------------------------------------------------
                                  Suspend/Resume
  -------------------------------------------------------------------------- */
extern int acpi_sleep_init(void);

#ifdef CONFIG_ACPI_SLEEP
int acpi_sleep_proc_init(void);
int suspend_nvs_alloc(void);
void suspend_nvs_free(void);
int suspend_nvs_save(void);
void suspend_nvs_restore(void);
#else
static inline int acpi_sleep_proc_init(void) { return 0; }
static inline int suspend_nvs_alloc(void) { return 0; }
static inline void suspend_nvs_free(void) {}
static inline int suspend_nvs_save(void) { return 0; }
static inline void suspend_nvs_restore(void) {}
#endif

#endif /* _ACPI_INTERNAL_H_ */
Commit	Line	Data
a192a958 LB	1	/*
	2	* acpi/internal.h
	3	* For use by Linux/ACPI infrastructure, not drivers
	4	*
	5	* Copyright (c) 2009, Intel Corporation.
	6	*
	7	* This program is free software; you can redistribute it and/or modify it
	8	* under the terms and conditions of the GNU General Public License,
	9	* version 2, as published by the Free Software Foundation.
	10	*
	11	* This program is distributed in the hope it will be useful, but WITHOUT
	12	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	13	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	14	* more details.
	15	*
	16	* You should have received a copy of the GNU General Public License along with
	17	* this program; if not, write to the Free Software Foundation, Inc.,
	18	* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
	19	*/
	20
1195a098 TR	21	#ifndef _ACPI_INTERNAL_H_
	22	#define _ACPI_INTERNAL_H_
	23
	24	#include <linux/sysdev.h>
	25
a192a958	26	#define PREFIX "ACPI: "
e60cc7a6	27
0e46517d	28	int init_acpi_device_notify(void);
e747f274	29	int acpi_scan_init(void);
1c8fce27	30	int acpi_sysfs_init(void);
e747f274	31
a25ee920 ZR	32	#ifdef CONFIG_DEBUG_FS
	33	int acpi_debugfs_init(void);
	34	#else
	35	static inline int acpi_debugfs_init(void) { return 0; }
	36	#endif
	37
e60cc7a6 BH	38	/* --------------------------------------------------------------------------
	39	Power Resource
	40	-------------------------------------------------------------------------- */
44515374	41	int acpi_power_init(void);
e60cc7a6 BH	42	int acpi_device_sleep_wake(struct acpi_device *dev,
e60cc7a6 BH	43	int enable, int sleep_state, int dev_state);
32a00d27	44	int acpi_power_get_inferred_state(struct acpi_device device, int state);
30d3df41	45	int acpi_power_on_resources(struct acpi_device *device, int state);
e60cc7a6	46	int acpi_power_transition(struct acpi_device *device, int state);
ade3e7fe	47	int acpi_bus_init_power(struct acpi_device *device);
e60cc7a6	48
201b8c65	49	int acpi_wakeup_device_init(void);
78f16996	50	void acpi_early_processor_set_pdc(void);
201b8c65	51
e60cc7a6 BH	52	/* --------------------------------------------------------------------------
	53	Embedded Controller
	54	-------------------------------------------------------------------------- */
1195a098 TR	55	struct acpi_ec {
	56	acpi_handle handle;
	57	unsigned long gpe;
	58	unsigned long command_addr;
	59	unsigned long data_addr;
	60	unsigned long global_lock;
	61	unsigned long flags;
	62	struct mutex lock;
	63	wait_queue_head_t wait;
	64	struct list_head list;
	65	struct transaction *curr;
	66	spinlock_t curr_lock;
	67	struct sys_device sysdev;
	68	};
	69
	70	extern struct acpi_ec *first_ec;
	71
a5f820fe	72	int acpi_ec_init(void);
e60cc7a6 BH	73	int acpi_ec_ecdt_probe(void);
e60cc7a6 BH	74	int acpi_boot_ec_enable(void);
fe955682 RW	75	void acpi_ec_block_transactions(void);
	76	void acpi_ec_unblock_transactions(void);
	77	void acpi_ec_unblock_transactions_early(void);
e60cc7a6 BH	78
	79	/*--------------------------------------------------------------------------
	80	Suspend/Resume
	81	-------------------------------------------------------------------------- */
	82	extern int acpi_sleep_init(void);
9cee43e0 BH	83
	84	#ifdef CONFIG_ACPI_SLEEP
	85	int acpi_sleep_proc_init(void);
976513db RW	86	int suspend_nvs_alloc(void);
	87	void suspend_nvs_free(void);
	88	int suspend_nvs_save(void);
	89	void suspend_nvs_restore(void);
9cee43e0 BH	90	#else
9cee43e0 BH	91	static inline int acpi_sleep_proc_init(void) { return 0; }
976513db RW	92	static inline int suspend_nvs_alloc(void) { return 0; }
976513db RW	93	static inline void suspend_nvs_free(void) {}
6fed05c9	94	static inline int suspend_nvs_save(void) { return 0; }
976513db	95	static inline void suspend_nvs_restore(void) {}
9cee43e0	96	#endif
1195a098 TR	97
1195a098 TR	98	#endif /* _ACPI_INTERNAL_H_ */