108 lines
2.7 KiB
C
108 lines
2.7 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.
|
|
*
|
|
* $FreeBSD$
|
|
*/
|
|
|
|
#include <sys/param.h>
|
|
#include <sys/systm.h>
|
|
#include <sys/proc.h>
|
|
|
|
#include <sys/power.h>
|
|
|
|
static u_int power_pm_type = POWER_PM_TYPE_NONE;
|
|
static power_pm_fn_t power_pm_fn = NULL;
|
|
static void *power_pm_arg = NULL;
|
|
|
|
int
|
|
power_pm_register(u_int pm_type, power_pm_fn_t pm_fn, void *pm_arg)
|
|
{
|
|
int error;
|
|
|
|
if (power_pm_type == POWER_PM_TYPE_NONE ||
|
|
power_pm_type == pm_type) {
|
|
power_pm_type = pm_type;
|
|
power_pm_fn = pm_fn;
|
|
power_pm_arg = pm_arg;
|
|
error = 0;
|
|
} else {
|
|
error = ENXIO;
|
|
}
|
|
|
|
return (error);
|
|
}
|
|
|
|
u_int
|
|
power_pm_get_type(void)
|
|
{
|
|
|
|
return (power_pm_type);
|
|
}
|
|
|
|
void
|
|
power_pm_suspend(int state)
|
|
{
|
|
if (power_pm_fn == NULL)
|
|
return;
|
|
|
|
if (state != POWER_SLEEP_STATE_STANDBY &&
|
|
state != POWER_SLEEP_STATE_SUSPEND &&
|
|
state != POWER_SLEEP_STATE_HIBERNATE)
|
|
return;
|
|
|
|
power_pm_fn(POWER_CMD_SUSPEND, power_pm_arg, state);
|
|
}
|
|
|
|
/*
|
|
* Power profile.
|
|
*/
|
|
|
|
static int power_profile_state = POWER_PROFILE_PERFORMANCE;
|
|
|
|
int
|
|
power_profile_get_state(void)
|
|
{
|
|
return (power_profile_state);
|
|
}
|
|
|
|
void
|
|
power_profile_set_state(int state)
|
|
{
|
|
int changed;
|
|
|
|
if (state != power_profile_state) {
|
|
power_profile_state = state;
|
|
changed = 1;
|
|
printf("system power profile changed to '%s'\n",
|
|
(state == POWER_PROFILE_PERFORMANCE) ? "performance" : "economy");
|
|
} else {
|
|
changed = 0;
|
|
}
|
|
|
|
if (changed)
|
|
EVENTHANDLER_INVOKE(power_profile_change, 0);
|
|
}
|
|
|