1 /*	$NetBSD: intel_gt_pm.h,v 1.2 2021/12/18 23:45:30 riastradh Exp $	*/
2 
3 /*
4  * SPDX-License-Identifier: MIT
5  *
6  * Copyright © 2019 Intel Corporation
7  */
8 
9 #ifndef INTEL_GT_PM_H
10 #define INTEL_GT_PM_H
11 
12 #include <linux/types.h>
13 
14 #include "intel_gt_types.h"
15 #include "intel_wakeref.h"
16 
intel_gt_pm_is_awake(const struct intel_gt * gt)17 static inline bool intel_gt_pm_is_awake(const struct intel_gt *gt)
18 {
19 	return intel_wakeref_is_active(&gt->wakeref);
20 }
21 
intel_gt_pm_get(struct intel_gt * gt)22 static inline void intel_gt_pm_get(struct intel_gt *gt)
23 {
24 	intel_wakeref_get(&gt->wakeref);
25 }
26 
__intel_gt_pm_get(struct intel_gt * gt)27 static inline void __intel_gt_pm_get(struct intel_gt *gt)
28 {
29 	__intel_wakeref_get(&gt->wakeref);
30 }
31 
intel_gt_pm_get_if_awake(struct intel_gt * gt)32 static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt)
33 {
34 	return intel_wakeref_get_if_active(&gt->wakeref);
35 }
36 
intel_gt_pm_put(struct intel_gt * gt)37 static inline void intel_gt_pm_put(struct intel_gt *gt)
38 {
39 	intel_wakeref_put(&gt->wakeref);
40 }
41 
intel_gt_pm_put_async(struct intel_gt * gt)42 static inline void intel_gt_pm_put_async(struct intel_gt *gt)
43 {
44 	intel_wakeref_put_async(&gt->wakeref);
45 }
46 
intel_gt_pm_wait_for_idle(struct intel_gt * gt)47 static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt)
48 {
49 	return intel_wakeref_wait_for_idle(&gt->wakeref);
50 }
51 
52 void intel_gt_pm_init_early(struct intel_gt *gt);
53 void intel_gt_pm_init(struct intel_gt *gt);
54 void intel_gt_pm_fini(struct intel_gt *gt);
55 
56 void intel_gt_suspend_prepare(struct intel_gt *gt);
57 void intel_gt_suspend_late(struct intel_gt *gt);
58 int intel_gt_resume(struct intel_gt *gt);
59 
60 void intel_gt_runtime_suspend(struct intel_gt *gt);
61 int intel_gt_runtime_resume(struct intel_gt *gt);
62 
is_mock_gt(const struct intel_gt * gt)63 static inline bool is_mock_gt(const struct intel_gt *gt)
64 {
65 	return I915_SELFTEST_ONLY(gt->awake == -ENODEV);
66 }
67 
68 #endif /* INTEL_GT_PM_H */
69