| 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 | |
| 32 | static 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 | |
| 42 | static 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 | |
| 54 | static 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 |