67 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			67 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0-only */
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| /* Copyright (C) 2019 Linaro Ltd. */
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| #ifndef __VENUS_PM_HELPERS_H__
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| #define __VENUS_PM_HELPERS_H__
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| 
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| struct device;
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| struct venus_core;
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| 
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| #define POWER_ON	1
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| #define POWER_OFF	0
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| 
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| struct venus_pm_ops {
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| 	int (*core_get)(struct venus_core *core);
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| 	void (*core_put)(struct venus_core *core);
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| 	int (*core_power)(struct venus_core *core, int on);
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| 
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| 	int (*vdec_get)(struct device *dev);
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| 	void (*vdec_put)(struct device *dev);
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| 	int (*vdec_power)(struct device *dev, int on);
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| 
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| 	int (*venc_get)(struct device *dev);
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| 	void (*venc_put)(struct device *dev);
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| 	int (*venc_power)(struct device *dev, int on);
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| 
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| 	int (*coreid_power)(struct venus_inst *inst, int on);
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| 
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| 	int (*load_scale)(struct venus_inst *inst);
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| };
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| 
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| const struct venus_pm_ops *venus_pm_get(enum hfi_version version);
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| 
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| static inline int venus_pm_load_scale(struct venus_inst *inst)
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| {
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| 	struct venus_core *core = inst->core;
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| 
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| 	if (!core->pm_ops || !core->pm_ops->load_scale)
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| 		return 0;
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| 
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| 	return core->pm_ops->load_scale(inst);
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| }
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| 
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| static inline int venus_pm_acquire_core(struct venus_inst *inst)
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| {
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| 	struct venus_core *core = inst->core;
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| 	const struct venus_pm_ops *pm_ops = core->pm_ops;
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| 	int ret = 0;
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| 
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| 	if (pm_ops && pm_ops->coreid_power)
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| 		ret = pm_ops->coreid_power(inst, POWER_ON);
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| 
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| 	return ret;
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| }
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| 
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| static inline int venus_pm_release_core(struct venus_inst *inst)
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| {
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| 	struct venus_core *core = inst->core;
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| 	const struct venus_pm_ops *pm_ops = core->pm_ops;
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| 	int ret = 0;
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| 
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| 	if (pm_ops && pm_ops->coreid_power)
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| 		ret = pm_ops->coreid_power(inst, POWER_OFF);
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| 
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| 	return ret;
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| }
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| 
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| #endif
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