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| 4 | #ifndef __LIMA_DEVFREQ_H__
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| 5 | #define __LIMA_DEVFREQ_H__
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| 6 |
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| 7 | #include <linux/devfreq.h>
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| 8 | #include <linux/spinlock.h>
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| 9 | #include <linux/ktime.h>
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| 10 |
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| 11 | struct devfreq;
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| 12 | struct thermal_cooling_device;
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| 13 |
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| 14 | struct lima_device;
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| 15 |
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| 16 | struct lima_devfreq {
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| 17 | struct devfreq *devfreq;
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| 18 | struct thermal_cooling_device *cooling;
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| 19 | struct devfreq_simple_ondemand_data gov_data;
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| 20 |
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| 21 | ktime_t busy_time;
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| 22 | ktime_t idle_time;
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| 23 | ktime_t time_last_update;
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| 24 | int busy_count;
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| 25 | |
| 26 | * Protect busy_time, idle_time, time_last_update and busy_count
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| 27 | * because these can be updated concurrently, for example by the GP
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| 28 | * and PP interrupts.
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| 29 |
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| 30 | spinlock_t lock;
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| 31 | };
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| 32 |
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| 33 | int lima_devfreq_init(struct lima_device *ldev);
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| 34 | void lima_devfreq_fini(struct lima_device *ldev);
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| 35 |
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| 36 | void lima_devfreq_record_busy(struct lima_devfreq *devfreq);
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| 37 | void lima_devfreq_record_idle(struct lima_devfreq *devfreq);
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| 38 |
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| 39 | int lima_devfreq_resume(struct lima_devfreq *devfreq);
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| 40 | int lima_devfreq_suspend(struct lima_devfreq *devfreq);
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| 41 |
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| 42 | #endif
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