64 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			64 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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 * Copyright (c) 2022 MediaTek Inc.
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 * Author: Ping-Hsun Wu <ping-hsun.wu@mediatek.com>
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 */
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#ifndef __MTK_MDP3_VPU_H__
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#define __MTK_MDP3_VPU_H__
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#include <linux/platform_device.h>
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#include "mtk-img-ipi.h"
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enum mdp_ipi_result {
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	MDP_IPI_SUCCESS	= 0,
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	MDP_IPI_ENOMEM	= 12,
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	MDP_IPI_EBUSY	= 16,
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	MDP_IPI_EINVAL	= 22,
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	MDP_IPI_EMINST	= 24,
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	MDP_IPI_ERANGE	= 34,
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	MDP_IPI_NR_ERRNO,
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	MDP_IPI_EOTHER	= MDP_IPI_NR_ERRNO,
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	MDP_IPI_PATH_CANT_MERGE,
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	MDP_IPI_OP_FAIL,
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};
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struct mdp_ipi_init_msg {
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	u32	status;
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	u64	drv_data;
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	u32	work_addr;	/* [in] working buffer address */
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	u32	work_size;	/* [in] working buffer size */
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} __packed;
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struct mdp_ipi_deinit_msg {
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	u32	status;
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	u64	drv_data;
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	u32	work_addr;
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} __packed;
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struct mdp_vpu_dev {
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	/* synchronization protect for accessing vpu working buffer info */
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	struct mutex		*lock;
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	struct mtk_scp		*scp;
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	struct completion	ipi_acked;
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	void			*param;
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	dma_addr_t		param_addr;
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	size_t			param_size;
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	void			*work;
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	dma_addr_t		work_addr;
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	size_t			work_size;
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	void			*config;
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	dma_addr_t		config_addr;
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	size_t			config_size;
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	u32			status;
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};
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void mdp_vpu_shared_mem_free(struct mdp_vpu_dev *vpu);
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int mdp_vpu_dev_init(struct mdp_vpu_dev *vpu, struct mtk_scp *scp,
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		     struct mutex *lock /* for sync */);
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int mdp_vpu_dev_deinit(struct mdp_vpu_dev *vpu);
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int mdp_vpu_process(struct mdp_vpu_dev *vpu, struct img_ipi_frameparam *param);
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#endif  /* __MTK_MDP3_VPU_H__ */
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