projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| f3ba9122 RH |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* Copyright 2019 Collabora ltd. */ | |
| 3 | ||
| 4 | #ifndef __PANFROST_DEVFREQ_H__ | |
| 5 | #define __PANFROST_DEVFREQ_H__ | |
| 6 | ||
| ed85df3f | 7 | #include <linux/spinlock.h> |
| 9bfacfc8 CP |
8 | #include <linux/ktime.h> |
| 9 | ||
| 10 | struct devfreq; | |
| fd587ff0 | 11 | struct opp_table; |
| 9bfacfc8 CP |
12 | struct thermal_cooling_device; |
| 13 | ||
| 14 | struct panfrost_device; | |
| 15 | ||
| 16 | struct panfrost_devfreq { | |
| 17 | struct devfreq *devfreq; | |
| fd587ff0 | 18 | struct opp_table *regulators_opp_table; |
| 9bfacfc8 | 19 | struct thermal_cooling_device *cooling; |
| 81f2fbe6 | 20 | bool opp_of_table_added; |
| ed85df3f | 21 | |
| 9bfacfc8 CP |
22 | ktime_t busy_time; |
| 23 | ktime_t idle_time; | |
| 24 | ktime_t time_last_update; | |
| ed85df3f CP |
25 | int busy_count; |
| 26 | /* | |
| 27 | * Protect busy_time, idle_time, time_last_update and busy_count | |
| 28 | * because these can be updated concurrently between multiple jobs. | |
| 29 | */ | |
| 30 | spinlock_t lock; | |
| 9bfacfc8 CP |
31 | }; |
| 32 | ||
| f3ba9122 | 33 | int panfrost_devfreq_init(struct panfrost_device *pfdev); |
| aa4fffec | 34 | void panfrost_devfreq_fini(struct panfrost_device *pfdev); |
| f3ba9122 RH |
35 | |
| 36 | void panfrost_devfreq_resume(struct panfrost_device *pfdev); | |
| 37 | void panfrost_devfreq_suspend(struct panfrost_device *pfdev); | |
| 38 | ||
| 9bfacfc8 CP |
39 | void panfrost_devfreq_record_busy(struct panfrost_devfreq *devfreq); |
| 40 | void panfrost_devfreq_record_idle(struct panfrost_devfreq *devfreq); | |
| f3ba9122 RH |
41 | |
| 42 | #endif /* __PANFROST_DEVFREQ_H__ */ |