![Qiang Yu](/assets/img/avatar_default.png)
Used for device resume/suspend in the following commits. Tested-by: Bhushan Shah <bshah@kde.org> Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com> Signed-off-by: Qiang Yu <yuq825@gmail.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200421133551.31481-6-yuq825@gmail.com
45 lines
1.1 KiB
C
45 lines
1.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
/* Copyright 2020 Martin Blumenstingl <martin.blumenstingl@googlemail.com> */
|
|
|
|
#ifndef __LIMA_DEVFREQ_H__
|
|
#define __LIMA_DEVFREQ_H__
|
|
|
|
#include <linux/spinlock.h>
|
|
#include <linux/ktime.h>
|
|
|
|
struct devfreq;
|
|
struct opp_table;
|
|
struct thermal_cooling_device;
|
|
|
|
struct lima_device;
|
|
|
|
struct lima_devfreq {
|
|
struct devfreq *devfreq;
|
|
struct opp_table *clkname_opp_table;
|
|
struct opp_table *regulators_opp_table;
|
|
struct thermal_cooling_device *cooling;
|
|
bool opp_of_table_added;
|
|
|
|
ktime_t busy_time;
|
|
ktime_t idle_time;
|
|
ktime_t time_last_update;
|
|
int busy_count;
|
|
/*
|
|
* Protect busy_time, idle_time, time_last_update and busy_count
|
|
* because these can be updated concurrently, for example by the GP
|
|
* and PP interrupts.
|
|
*/
|
|
spinlock_t lock;
|
|
};
|
|
|
|
int lima_devfreq_init(struct lima_device *ldev);
|
|
void lima_devfreq_fini(struct lima_device *ldev);
|
|
|
|
void lima_devfreq_record_busy(struct lima_devfreq *devfreq);
|
|
void lima_devfreq_record_idle(struct lima_devfreq *devfreq);
|
|
|
|
int lima_devfreq_resume(struct lima_devfreq *devfreq);
|
|
int lima_devfreq_suspend(struct lima_devfreq *devfreq);
|
|
|
|
#endif
|