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/* SPDX-License-Identifier: MIT */
/*
* Copyright © 2022 Intel Corporation
*/
#ifndef _XE_PM_H_
#define _XE_PM_H_
#include <linux/cleanup.h>
#include <linux/pm_runtime.h>
#define DEFAULT_VRAM_THRESHOLD 300 /* in MB */
struct xe_device;
int xe_pm_suspend(struct xe_device *xe);
int xe_pm_resume(struct xe_device *xe);
int xe_pm_init_early(struct xe_device *xe);
int xe_pm_init(struct xe_device *xe);
void xe_pm_fini(struct xe_device *xe);
bool xe_pm_runtime_suspended(struct xe_device *xe);
int xe_pm_runtime_suspend(struct xe_device *xe);
int xe_pm_runtime_resume(struct xe_device *xe);
void xe_pm_runtime_get(struct xe_device *xe);
int xe_pm_runtime_get_ioctl(struct xe_device *xe);
void xe_pm_runtime_put(struct xe_device *xe);
bool xe_pm_runtime_get_if_active(struct xe_device *xe);
bool xe_pm_runtime_get_if_in_use(struct xe_device *xe);
void xe_pm_runtime_get_noresume(struct xe_device *xe);
bool xe_pm_runtime_resume_and_get(struct xe_device *xe);
void xe_pm_assert_unbounded_bridge(struct xe_device *xe);
int xe_pm_set_vram_threshold(struct xe_device *xe, u32 threshold);
void xe_pm_d3cold_allowed_toggle(struct xe_device *xe);
bool xe_rpm_reclaim_safe(const struct xe_device *xe);
struct task_struct *xe_pm_read_callback_task(struct xe_device *xe);
int xe_pm_module_init(void);
static inline void __xe_pm_runtime_noop(struct xe_device *xe) {}
DEFINE_GUARD(xe_pm_runtime, struct xe_device *,
xe_pm_runtime_get(_T), xe_pm_runtime_put(_T))
DEFINE_GUARD(xe_pm_runtime_noresume, struct xe_device *,
xe_pm_runtime_get_noresume(_T), xe_pm_runtime_put(_T))
DEFINE_GUARD_COND(xe_pm_runtime, _ioctl, xe_pm_runtime_get_ioctl(_T), _RET >= 0)
/*
* Used when a function needs to release runtime PM in all possible cases
* and error paths, but the wakeref was already acquired by a different
* function (i.e., get() has already happened so only a put() is needed).
*/
DEFINE_GUARD(xe_pm_runtime_release_only, struct xe_device *,
__xe_pm_runtime_noop(_T), xe_pm_runtime_put(_T));
#endif
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