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 * $DragonFly: src/sys/sys/power.h,v 1.3 2006/05/21 03:43:47 dillon Exp $ 28 */ 29 30 #ifndef _SYS_POWER_H_ 31 #define _SYS_POWER_H_ 32 33 #ifndef _KERNEL 34 35 #error "This file should not be included by userland programs." 36 37 #else 38 39 #ifndef _SYS_TYPES_H_ 40 #include <sys/types.h> 41 #endif 42 #ifndef _SYS_EVENTHANDLER_H_ 43 #include <sys/eventhandler.h> 44 #endif 45 46 /* Power management system type */ 47 #define POWER_PM_TYPE_APM 0x00 48 #define POWER_PM_TYPE_ACPI 0x01 49 #define POWER_PM_TYPE_NONE 0xff 50 51 /* Commands for Power management function */ 52 #define POWER_CMD_SUSPEND 0x00 53 54 /* Sleep state */ 55 #define POWER_SLEEP_STATE_STANDBY 0x00 56 #define POWER_SLEEP_STATE_SUSPEND 0x01 57 #define POWER_SLEEP_STATE_HIBERNATE 0x02 58 59 typedef int (*power_pm_fn_t)(u_long, void*, ...); 60 extern int power_pm_register(u_int, power_pm_fn_t, void *); 61 extern u_int power_pm_get_type(void); 62 extern void power_pm_suspend(int); 63 64 /* 65 * System power API. 66 */ 67 #define POWER_PROFILE_PERFORMANCE 0 68 #define POWER_PROFILE_ECONOMY 1 69 70 extern int power_profile_get_state(void); 71 extern void power_profile_set_state(int); 72 73 typedef void (*power_profile_change_hook)(void *, int); 74 EVENTHANDLER_DECLARE(power_profile_change, power_profile_change_hook); 75 76 #endif /* _KERNEL */ 77 #endif /* !_SYS_POWER_H_ */ 78 79