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