freebsd-skq/sys/sys/power.h

66 lines
2.3 KiB
C

/*-
* Copyright (c) 2001 Mitsuru IWASAKI
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _SYS_POWER_H_
#define _SYS_POWER_H_
#include <sys/eventhandler.h>
/* Power management system type */
#define POWER_PM_TYPE_APM 0x00
#define POWER_PM_TYPE_ACPI 0x01
#define POWER_PM_TYPE_NONE 0xff
/* Commands for Power management function */
#define POWER_CMD_SUSPEND 0x00
/* Sleep state */
#define POWER_SLEEP_STATE_STANDBY 0x00
#define POWER_SLEEP_STATE_SUSPEND 0x01
#define POWER_SLEEP_STATE_HIBERNATE 0x02
typedef int (*power_pm_fn_t)(u_long, void*, ...);
extern int power_pm_register(u_int, power_pm_fn_t, void *);
extern u_int power_pm_get_type(void);
extern void power_pm_suspend(int);
/*
* System power API.
*/
#define POWER_PROFILE_PERFORMANCE 0
#define POWER_PROFILE_ECONOMY 1
extern int power_profile_get_state(void);
extern void power_profile_set_state(int);
typedef void (*power_profile_change_hook)(void *, int);
EVENTHANDLER_DECLARE(power_profile_change, power_profile_change_hook);
#endif /* !_SYS_POWER_H_ */