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MyungJoo Hama3c98b82011-10-02 00:19:15 +02001/*
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
Rajagopal Venkat7e6fdd42012-10-26 01:50:09 +020021/* Devfreq events */
22#define DEVFREQ_GOV_START 0x1
23#define DEVFREQ_GOV_STOP 0x2
24#define DEVFREQ_GOV_INTERVAL 0x3
25
MyungJoo Hama3c98b82011-10-02 00:19:15 +020026/* Caution: devfreq->lock must be locked before calling update_devfreq */
27extern int update_devfreq(struct devfreq *devfreq);
28
Rajagopal Venkat7e6fdd42012-10-26 01:50:09 +020029extern void devfreq_monitor_start(struct devfreq *devfreq);
30extern void devfreq_monitor_stop(struct devfreq *devfreq);
31extern void devfreq_monitor_suspend(struct devfreq *devfreq);
32extern void devfreq_monitor_resume(struct devfreq *devfreq);
33extern void devfreq_interval_update(struct devfreq *devfreq,
34 unsigned int *delay);
MyungJoo Hama3c98b82011-10-02 00:19:15 +020035#endif /* _GOVERNOR_H */