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      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 
     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 
     22 static inline void intel_gt_pm_get(struct intel_gt *gt)
     23 {
     24 	intel_wakeref_get(&gt->wakeref);
     25 }
     26 
     27 static inline void __intel_gt_pm_get(struct intel_gt *gt)
     28 {
     29 	__intel_wakeref_get(&gt->wakeref);
     30 }
     31 
     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 
     37 static inline void intel_gt_pm_put(struct intel_gt *gt)
     38 {
     39 	intel_wakeref_put(&gt->wakeref);
     40 }
     41 
     42 static inline void intel_gt_pm_put_async(struct intel_gt *gt)
     43 {
     44 	intel_wakeref_put_async(&gt->wakeref);
     45 }
     46 
     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 
     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