projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a3c98b8b MH |
1 | /* |
| 2 | * governor.h - internal header for devfreq governors. | |
| 3 | * | |
| 4 | * Copyright (C) 2011 Samsung Electronics | |
| 5 | * MyungJoo Ham <[email protected]> | |
| 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 | ||
| 7e6fdd4b RV |
21 | /* Devfreq events */ |
| 22 | #define DEVFREQ_GOV_START 0x1 | |
| 23 | #define DEVFREQ_GOV_STOP 0x2 | |
| 24 | #define DEVFREQ_GOV_INTERVAL 0x3 | |
| 206c30cf RV |
25 | #define DEVFREQ_GOV_SUSPEND 0x4 |
| 26 | #define DEVFREQ_GOV_RESUME 0x5 | |
| 7e6fdd4b | 27 | |
| a3c98b8b MH |
28 | /* Caution: devfreq->lock must be locked before calling update_devfreq */ |
| 29 | extern int update_devfreq(struct devfreq *devfreq); | |
| 30 | ||
| 7e6fdd4b RV |
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); | |
| 3aa173b8 NM |
37 | |
| 38 | extern int devfreq_add_governor(struct devfreq_governor *governor); | |
| 39 | extern int devfreq_remove_governor(struct devfreq_governor *governor); | |
| 40 | ||
| a3c98b8b | 41 | #endif /* _GOVERNOR_H */ |