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;
7struct venus_core;
8
9#define POWER_ON	1
10#define POWER_OFF	0
11
12struct 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
30const struct venus_pm_ops *venus_pm_get(enum hfi_version version);
31
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
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
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