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Merge tag 'mac80211-next-for-davem-2015-01-15' of git://git.kernel.org/pub/scm/linux...
[mirror_ubuntu-bionic-kernel.git] / drivers / devfreq / governor.h
1 /*
2 * governor.h - internal header for devfreq governors.
3 *
4 * Copyright (C) 2011 Samsung Electronics
5 * MyungJoo Ham <myungjoo.ham@samsung.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 *
11 * This header is for devfreq governors in drivers/devfreq/
12 */
13
14 #ifndef _GOVERNOR_H
15 #define _GOVERNOR_H
16
17 #include <linux/devfreq.h>
18
19 #define to_devfreq(DEV) container_of((DEV), struct devfreq, dev)
20
21 /* Devfreq events */
22 #define DEVFREQ_GOV_START 0x1
23 #define DEVFREQ_GOV_STOP 0x2
24 #define DEVFREQ_GOV_INTERVAL 0x3
25 #define DEVFREQ_GOV_SUSPEND 0x4
26 #define DEVFREQ_GOV_RESUME 0x5
27
28 /* Caution: devfreq->lock must be locked before calling update_devfreq */
29 extern int update_devfreq(struct devfreq *devfreq);
30
31 extern void devfreq_monitor_start(struct devfreq *devfreq);
32 extern void devfreq_monitor_stop(struct devfreq *devfreq);
33 extern void devfreq_monitor_suspend(struct devfreq *devfreq);
34 extern void devfreq_monitor_resume(struct devfreq *devfreq);
35 extern void devfreq_interval_update(struct devfreq *devfreq,
36 unsigned int *delay);
37
38 extern int devfreq_add_governor(struct devfreq_governor *governor);
39 extern int devfreq_remove_governor(struct devfreq_governor *governor);
40
41 #endif /* _GOVERNOR_H */