FreeBSD/Linux Kernel Cross Reference
sys/sys/power.h
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: releng/12.0/sys/sys/power.h 326256 2017-11-27 15:01:59Z pfg $
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_APM 0x00
38 #define POWER_PM_TYPE_ACPI 0x01
39 #define POWER_PM_TYPE_NONE 0xff
40
41 /* Commands for Power management function */
42 #define POWER_CMD_SUSPEND 0x00
43
44 /* Sleep state */
45 #define POWER_SLEEP_STATE_STANDBY 0x00
46 #define POWER_SLEEP_STATE_SUSPEND 0x01
47 #define POWER_SLEEP_STATE_HIBERNATE 0x02
48
49 typedef int (*power_pm_fn_t)(u_long, void*, ...);
50 extern int power_pm_register(u_int, power_pm_fn_t, void *);
51 extern u_int power_pm_get_type(void);
52 extern void power_pm_suspend(int);
53
54 /*
55 * System power API.
56 */
57 #define POWER_PROFILE_PERFORMANCE 0
58 #define POWER_PROFILE_ECONOMY 1
59
60 extern int power_profile_get_state(void);
61 extern void power_profile_set_state(int);
62
63 typedef void (*power_profile_change_hook)(void *, int);
64 EVENTHANDLER_DECLARE(power_profile_change, power_profile_change_hook);
65
66 #endif /* !_SYS_POWER_H_ */
67
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