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 struct venus_core; 8 9 #define POWER_ON 1 10 #define POWER_OFF 0 11 12 struct venus_pm_ops { 13 int (*core_get)(struct venus_core *core); 14 void (*core_put)(struct venus_core *core); 15 int (*core_power)(struct venus_core *core, int on); 16 17 int (*vdec_get)(struct device *dev); 18 void (*vdec_put)(struct device *dev); 19 int (*vdec_power)(struct device *dev, int on); 20 21 int (*venc_get)(struct device *dev); 22 void (*venc_put)(struct device *dev); 23 int (*venc_power)(struct device *dev, int on); 24 25 int (*coreid_power)(struct venus_inst *inst, int on); 26 27 int (*load_scale)(struct venus_inst *inst); 28 }; 29 30 const struct venus_pm_ops *venus_pm_get(enum hfi_version version); 31 venus_pm_load_scale(struct venus_inst * inst)32static inline int venus_pm_load_scale(struct venus_inst *inst) 33 { 34 struct venus_core *core = inst->core; 35 36 if (!core->pm_ops || !core->pm_ops->load_scale) 37 return 0; 38 39 return core->pm_ops->load_scale(inst); 40 } 41 venus_pm_acquire_core(struct venus_inst * inst)42static inline int venus_pm_acquire_core(struct venus_inst *inst) 43 { 44 struct venus_core *core = inst->core; 45 const struct venus_pm_ops *pm_ops = core->pm_ops; 46 int ret = 0; 47 48 if (pm_ops && pm_ops->coreid_power) 49 ret = pm_ops->coreid_power(inst, POWER_ON); 50 51 return ret; 52 } 53 venus_pm_release_core(struct venus_inst * inst)54static inline int venus_pm_release_core(struct venus_inst *inst) 55 { 56 struct venus_core *core = inst->core; 57 const struct venus_pm_ops *pm_ops = core->pm_ops; 58 int ret = 0; 59 60 if (pm_ops && pm_ops->coreid_power) 61 ret = pm_ops->coreid_power(inst, POWER_OFF); 62 63 return ret; 64 } 65 66 #endif 67