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 15 enum { 16 INTEL_GT_UNPARK, 17 INTEL_GT_PARK, 18 }; 19 20 static inline bool intel_gt_pm_is_awake(const struct intel_gt *gt) 21 { 22 return intel_wakeref_is_active(>->wakeref); 23 } 24 25 static inline void intel_gt_pm_get(struct intel_gt *gt) 26 { 27 intel_wakeref_get(>->wakeref); 28 } 29 30 static inline bool intel_gt_pm_get_if_awake(struct intel_gt *gt) 31 { 32 return intel_wakeref_get_if_active(>->wakeref); 33 } 34 35 static inline void intel_gt_pm_put(struct intel_gt *gt) 36 { 37 intel_wakeref_put(>->wakeref); 38 } 39 40 static inline int intel_gt_pm_wait_for_idle(struct intel_gt *gt) 41 { 42 return intel_wakeref_wait_for_idle(>->wakeref); 43 } 44 45 void intel_gt_pm_init_early(struct intel_gt *gt); 46 47 void intel_gt_sanitize(struct intel_gt *gt, bool force); 48 int intel_gt_resume(struct intel_gt *gt); 49 void intel_gt_runtime_suspend(struct intel_gt *gt); 50 int intel_gt_runtime_resume(struct intel_gt *gt); 51 52 #endif /* INTEL_GT_PM_H */ 53