SmartisanOS_Kernel_Source/drivers/devfreq/governor.h at master · ActiveProgram/SmartisanOS_Kernel_Source · GitHub

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* governor.h - internal header for devfreq governors.

* MyungJoo Ham <myungjoo.ham@samsung.com>

* This program is free software; you can redistribute it and/or modify

* it under the terms of the GNU General Public License version 2 as

* published by the Free Software Foundation.

* This header is for devfreq governors in drivers/devfreq/

#ifndef _GOVERNOR_H

#define _GOVERNOR_H

#include <linux/devfreq.h>

#define to_devfreq(DEV) container_of((DEV), struct devfreq, dev)

/* Devfreq events */

#define DEVFREQ_GOV_START 0x1

#define DEVFREQ_GOV_STOP 0x2

#define DEVFREQ_GOV_INTERVAL 0x3

#define DEVFREQ_GOV_SUSPEND 0x4

#define DEVFREQ_GOV_RESUME 0x5

/* Caution: devfreq->lock must be locked before calling update_devfreq */

extern int update_devfreq(struct devfreq *devfreq);

extern void devfreq_monitor_start(struct devfreq *devfreq);

extern void devfreq_monitor_stop(struct devfreq *devfreq);

extern void devfreq_monitor_suspend(struct devfreq *devfreq);

extern void devfreq_monitor_resume(struct devfreq *devfreq);

extern void devfreq_interval_update(struct devfreq *devfreq,

unsigned int *delay);

extern int devfreq_add_governor(struct devfreq_governor *governor);

extern int devfreq_remove_governor(struct devfreq_governor *governor);

extern int devfreq_get_freq_level(struct devfreq *devfreq, unsigned long freq);

#endif /* _GOVERNOR_H */