| MyungJoo Ham | a3c98b8 | 2011-10-02 00:19:15 +0200 | [diff] [blame] | 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 | |
| Rajagopal Venkat | 97ad73e | 2012-10-26 01:50:09 +0200 | [diff] [blame] | 21 | /* Devfreq events */ |
| 22 | #define DEVFREQ_GOV_START 0x1 |
| 23 | #define DEVFREQ_GOV_STOP 0x2 |
| 24 | #define DEVFREQ_GOV_INTERVAL 0x3 |
| Rajagopal Venkat | 6efab21 | 2012-10-26 01:50:18 +0200 | [diff] [blame] | 25 | #define DEVFREQ_GOV_SUSPEND 0x4 |
| 26 | #define DEVFREQ_GOV_RESUME 0x5 |
| Rajagopal Venkat | 97ad73e | 2012-10-26 01:50:09 +0200 | [diff] [blame] | 27 | |
| MyungJoo Ham | a3c98b8 | 2011-10-02 00:19:15 +0200 | [diff] [blame] | 28 | /* Caution: devfreq->lock must be locked before calling update_devfreq */ |
| 29 | extern int update_devfreq(struct devfreq *devfreq); |
| 30 | |
| Rajagopal Venkat | 97ad73e | 2012-10-26 01:50:09 +0200 | [diff] [blame] | 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); |
| Nishanth Menon | 7150200 | 2012-10-29 15:01:43 -0500 | [diff] [blame] | 37 | |
| 38 | extern int devfreq_add_governor(struct devfreq_governor *governor); |
| 39 | extern int devfreq_remove_governor(struct devfreq_governor *governor); |
| 40 | |
| Jeremy Gebben | a59ce7e | 2013-03-18 14:14:16 -0600 | [diff] [blame] | 41 | extern int devfreq_get_freq_level(struct devfreq *devfreq, unsigned long freq); |
| MyungJoo Ham | a3c98b8 | 2011-10-02 00:19:15 +0200 | [diff] [blame] | 42 | #endif /* _GOVERNOR_H */ |