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/* SPDX-License-Identifier: GPL-2.0-only OR MIT */
/* Copyright (c) 2023 Imagination Technologies Ltd. */
#ifndef PVR_POWER_H
#define PVR_POWER_H
#include "pvr_device.h"
#include <linux/mutex.h>
#include <linux/pm_runtime.h>
int pvr_watchdog_init(struct pvr_device *pvr_dev);
void pvr_watchdog_fini(struct pvr_device *pvr_dev);
void pvr_device_lost(struct pvr_device *pvr_dev);
bool pvr_power_is_idle(struct pvr_device *pvr_dev);
int pvr_power_device_suspend(struct device *dev);
int pvr_power_device_resume(struct device *dev);
int pvr_power_device_idle(struct device *dev);
int pvr_power_reset(struct pvr_device *pvr_dev, bool hard_reset);
static __always_inline int
pvr_power_get(struct pvr_device *pvr_dev)
{
struct drm_device *drm_dev = from_pvr_device(pvr_dev);
return pm_runtime_resume_and_get(drm_dev->dev);
}
static __always_inline int
pvr_power_put(struct pvr_device *pvr_dev)
{
struct drm_device *drm_dev = from_pvr_device(pvr_dev);
return pm_runtime_put(drm_dev->dev);
}
int pvr_power_domains_init(struct pvr_device *pvr_dev);
void pvr_power_domains_fini(struct pvr_device *pvr_dev);
/**
* struct pvr_power_sequence_ops - Platform specific power sequence operations.
* @init: Pointer to the platform-specific initialization function.
* @power_on: Pointer to the platform-specific power on function.
* @power_off: Pointer to the platform-specific power off function.
*/
struct pvr_power_sequence_ops {
int (*init)(struct pvr_device *pvr_dev);
int (*power_on)(struct pvr_device *pvr_dev);
int (*power_off)(struct pvr_device *pvr_dev);
};
extern const struct pvr_power_sequence_ops pvr_power_sequence_ops_manual;
extern const struct pvr_power_sequence_ops pvr_power_sequence_ops_pwrseq;
#endif /* PVR_POWER_H */
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