xref: /dragonfly/sys/sys/power.h (revision 1d1731fa)
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 1.1 2003/09/24 03:32:17 drhodus Exp $
28  */
29 
30 #ifndef _SYS_POWER_H_
31 #define _SYS_POWER_H_
32 
33 #include <sys/eventhandler.h>
34 
35 /* Power management system type */
36 #define POWER_PM_TYPE_APM		0x00
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 
67