1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 2001 Mitsuru IWASAKI 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _SYS_POWER_H_ 32 #define _SYS_POWER_H_ 33 34 #include <sys/_eventhandler.h> 35 36 /* Power management system type */ 37 #define POWER_PM_TYPE_ACPI 0x01 38 #define POWER_PM_TYPE_NONE 0xff 39 40 /* Commands for Power management function */ 41 #define POWER_CMD_SUSPEND 0x00 42 43 /* Sleep state */ 44 #define POWER_SLEEP_STATE_STANDBY 0x00 45 #define POWER_SLEEP_STATE_SUSPEND 0x01 46 #define POWER_SLEEP_STATE_HIBERNATE 0x02 47 48 typedef int (*power_pm_fn_t)(u_long, void*, ...); 49 extern int power_pm_register(u_int, power_pm_fn_t, void *); 50 extern u_int power_pm_get_type(void); 51 extern void power_pm_suspend(int); 52 53 /* 54 * System power API. 55 */ 56 #define POWER_PROFILE_PERFORMANCE 0 57 #define POWER_PROFILE_ECONOMY 1 58 59 extern int power_profile_get_state(void); 60 extern void power_profile_set_state(int); 61 62 typedef void (*power_profile_change_hook)(void *, int); 63 EVENTHANDLER_DECLARE(power_profile_change, power_profile_change_hook); 64 65 #endif /* !_SYS_POWER_H_ */ 66