1/* SPDX-License-Identifier: MIT */
 2/*
 3 * Copyright © 2019 Intel Corporation
 4 */
 5
 6#ifndef INTEL_GT_PM_H
 7#define INTEL_GT_PM_H
 8
 9#include <linux/types.h>
10
11#include "intel_gt_types.h"
12#include "intel_wakeref.h"
13
14static inline bool intel_gt_pm_is_awake(const struct intel_gt *gt)
15{
16	return intel_wakeref_is_active(&gt->wakeref);
17}
18
19static inline void intel_gt_pm_get(struct intel_gt *gt)
20{
21	intel_wakeref_get(&gt->wakeref);
22}
23
24static inline void __intel_gt_pm_get(struct intel_gt *gt)
25{
26	__intel_wakeref_get(&gt->wakeref);
27}
28
29static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt)
30{
31	return intel_wakeref_get_if_active(&gt->wakeref);
32}
33
34static inline void intel_gt_pm_put(struct intel_gt *gt)
35{
36	intel_wakeref_put(&gt->wakeref);
37}
38
39static inline void intel_gt_pm_put_async(struct intel_gt *gt)
40{
41	intel_wakeref_put_async(&gt->wakeref);
42}
43
44static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt)
45{
46	return intel_wakeref_wait_for_idle(&gt->wakeref);
47}
48
49void intel_gt_pm_init_early(struct intel_gt *gt);
50void intel_gt_pm_init(struct intel_gt *gt);
51void intel_gt_pm_fini(struct intel_gt *gt);
52
53void intel_gt_suspend_prepare(struct intel_gt *gt);
54void intel_gt_suspend_late(struct intel_gt *gt);
55int intel_gt_resume(struct intel_gt *gt);
56
57void intel_gt_runtime_suspend(struct intel_gt *gt);
58int intel_gt_runtime_resume(struct intel_gt *gt);
59
60ktime_t intel_gt_get_awake_time(const struct intel_gt *gt);
61
62static inline bool is_mock_gt(const struct intel_gt *gt)
63{
64	return I915_SELFTEST_ONLY(gt->awake == -ENODEV);
65}
66
67#endif /* INTEL_GT_PM_H */