77 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			77 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0+ */
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| /*
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|  * vsp1_drm.h  --  R-Car VSP1 DRM/KMS Interface
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|  *
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|  * Copyright (C) 2015 Renesas Electronics Corporation
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|  *
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|  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
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|  */
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| #ifndef __VSP1_DRM_H__
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| #define __VSP1_DRM_H__
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| 
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| #include <linux/mutex.h>
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| #include <linux/videodev2.h>
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| #include <linux/wait.h>
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| 
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| #include <media/vsp1.h>
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| 
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| #include "vsp1_pipe.h"
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| 
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| /**
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|  * vsp1_drm_pipeline - State for the API exposed to the DRM driver
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|  * @pipe: the VSP1 pipeline used for display
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|  * @width: output display width
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|  * @height: output display height
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|  * @force_brx_release: when set, release the BRx during the next reconfiguration
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|  * @wait_queue: wait queue to wait for BRx release completion
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|  * @uif: UIF entity if available for the pipeline
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|  * @crc: CRC computation configuration
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|  * @du_complete: frame completion callback for the DU driver (optional)
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|  * @du_private: data to be passed to the du_complete callback
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|  */
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| struct vsp1_drm_pipeline {
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| 	struct vsp1_pipeline pipe;
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| 
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| 	unsigned int width;
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| 	unsigned int height;
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| 
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| 	bool force_brx_release;
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| 	wait_queue_head_t wait_queue;
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| 
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| 	struct vsp1_entity *uif;
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| 	struct vsp1_du_crc_config crc;
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| 
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| 	/* Frame synchronisation */
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| 	void (*du_complete)(void *data, bool completed, u32 crc);
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| 	void *du_private;
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| };
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| 
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| /**
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|  * vsp1_drm - State for the API exposed to the DRM driver
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|  * @pipe: the VSP1 DRM pipeline used for display
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|  * @lock: protects the BRU and BRS allocation
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|  * @inputs: source crop rectangle, destination compose rectangle and z-order
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|  *	position for every input (indexed by RPF index)
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|  */
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| struct vsp1_drm {
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| 	struct vsp1_drm_pipeline pipe[VSP1_MAX_LIF];
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| 	struct mutex lock;
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| 
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| 	struct {
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| 		struct v4l2_rect crop;
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| 		struct v4l2_rect compose;
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| 		unsigned int zpos;
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| 	} inputs[VSP1_MAX_RPF];
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| };
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| 
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| static inline struct vsp1_drm_pipeline *
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| to_vsp1_drm_pipeline(struct vsp1_pipeline *pipe)
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| {
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| 	return container_of(pipe, struct vsp1_drm_pipeline, pipe);
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| }
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| 
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| int vsp1_drm_init(struct vsp1_device *vsp1);
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| void vsp1_drm_cleanup(struct vsp1_device *vsp1);
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| 
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| #endif /* __VSP1_DRM_H__ */
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