1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* Copyright (C) 2019 Linaro Ltd. */ 3 #ifndef __VENUS_PM_HELPERS_H__ 4 #define __VENUS_PM_HELPERS_H__ 5 6 struct device; 7 8 #define POWER_ON 1 9 #define POWER_OFF 0 10 11 struct venus_pm_ops { 12 int (*core_get)(struct device *dev); 13 void (*core_put)(struct device *dev); 14 int (*core_power)(struct device *dev, int on); 15 16 int (*vdec_get)(struct device *dev); 17 void (*vdec_put)(struct device *dev); 18 int (*vdec_power)(struct device *dev, int on); 19 20 int (*venc_get)(struct device *dev); 21 void (*venc_put)(struct device *dev); 22 int (*venc_power)(struct device *dev, int on); 23 24 int (*coreid_power)(struct venus_inst *inst, int on); 25 26 int (*load_scale)(struct venus_inst *inst); 27 }; 28 29 const struct venus_pm_ops *venus_pm_get(enum hfi_version version); 30 31 static inline int venus_pm_load_scale(struct venus_inst *inst) 32 { 33 struct venus_core *core = inst->core; 34 35 if (!core->pm_ops || !core->pm_ops->load_scale) 36 return 0; 37 38 return core->pm_ops->load_scale(inst); 39 } 40 41 static inline int venus_pm_acquire_core(struct venus_inst *inst) 42 { 43 struct venus_core *core = inst->core; 44 const struct venus_pm_ops *pm_ops = core->pm_ops; 45 int ret = 0; 46 47 if (pm_ops && pm_ops->coreid_power) 48 ret = pm_ops->coreid_power(inst, POWER_ON); 49 50 return ret; 51 } 52 53 static inline int venus_pm_release_core(struct venus_inst *inst) 54 { 55 struct venus_core *core = inst->core; 56 const struct venus_pm_ops *pm_ops = core->pm_ops; 57 int ret = 0; 58 59 if (pm_ops && pm_ops->coreid_power) 60 ret = pm_ops->coreid_power(inst, POWER_OFF); 61 62 return ret; 63 } 64 65 #endif 66