tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
2/* Copyright (c) 2023 Imagination Technologies Ltd. */
3
4#ifndef PVR_POWER_H
5#define PVR_POWER_H
6
7#include "pvr_device.h"
8
9#include <linux/mutex.h>
10#include <linux/pm_runtime.h>
11
12int pvr_watchdog_init(struct pvr_device *pvr_dev);
13void pvr_watchdog_fini(struct pvr_device *pvr_dev);
14
15void pvr_device_lost(struct pvr_device *pvr_dev);
16
17bool pvr_power_is_idle(struct pvr_device *pvr_dev);
18
19int pvr_power_device_suspend(struct device *dev);
20int pvr_power_device_resume(struct device *dev);
21int pvr_power_device_idle(struct device *dev);
22
23int pvr_power_reset(struct pvr_device *pvr_dev, bool hard_reset);
24
25static __always_inline int
26pvr_power_get(struct pvr_device *pvr_dev)
27{
28 struct drm_device *drm_dev = from_pvr_device(pvr_dev);
29
30 return pm_runtime_resume_and_get(drm_dev->dev);
31}
32
33static __always_inline int
34pvr_power_put(struct pvr_device *pvr_dev)
35{
36 struct drm_device *drm_dev = from_pvr_device(pvr_dev);
37
38 return pm_runtime_put(drm_dev->dev);
39}
40
41#endif /* PVR_POWER_H */