/* 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 */