1 /*- 2 * Copyright (c) 2001 Mitsuru IWASAKI 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sys/sys/power.h,v 1.3.6.1 2003/08/18 20:22:23 jhb Exp $ 27 */ 28 29 #ifndef _SYS_POWER_H_ 30 #define _SYS_POWER_H_ 31 32 #ifndef _KERNEL 33 #error "This file should not be included by userland programs." 34 #endif 35 36 #ifndef _SYS_TYPES_H_ 37 #include <sys/types.h> 38 #endif 39 #ifndef _SYS_EVENTHANDLER_H_ 40 #include <sys/eventhandler.h> 41 #endif 42 43 /* Power management system type */ 44 #define POWER_PM_TYPE_APM 0x00 45 #define POWER_PM_TYPE_ACPI 0x01 46 #define POWER_PM_TYPE_NONE 0xff 47 48 /* Commands for Power management function */ 49 #define POWER_CMD_SUSPEND 0x00 50 51 /* Sleep state */ 52 #define POWER_SLEEP_STATE_STANDBY 0x00 53 #define POWER_SLEEP_STATE_SUSPEND 0x01 54 #define POWER_SLEEP_STATE_HIBERNATE 0x02 55 56 typedef int (*power_pm_fn_t)(u_long, void*, ...); 57 int power_pm_register(u_int, power_pm_fn_t, void *); 58 u_int power_pm_get_type(void); 59 void power_pm_suspend(int); 60 61 /* 62 * System power API. 63 */ 64 #define POWER_PROFILE_PERFORMANCE 0 65 #define POWER_PROFILE_ECONOMY 1 66 67 int power_profile_get_state(void); 68 void power_profile_set_state(int); 69 70 typedef void (*power_profile_change_hook)(void *, int); 71 EVENTHANDLER_DECLARE(power_profile_change, power_profile_change_hook); 72 73 #endif /* !_SYS_POWER_H_ */ 74 75