LXR linux/drivers/media/platform/qcom/venus/pm

   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
   6struct device;
   7
   8#define POWER_ON        1
   9#define POWER_OFF       0
  10
  11struct 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
  29const struct venus_pm_ops *venus_pm_get(enum hfi_version version);
  30
  31static 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
  41static 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
  53static 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