/* SPDX-License-Identifier: GPL-2.0+ */
/*
* vsp1_drm . h - - R - Car VSP1 DRM / KMS Interface
*
* Copyright ( C ) 2015 Renesas Electronics Corporation
*
* Contact : Laurent Pinchart ( laurent . pinchart @ ideasonboard . com )
*/
#ifndef __VSP1_DRM_H__
#define __VSP1_DRM_H__
#include <linux/mutex.h>
#include <linux/videodev2.h>
#include <linux/wait.h>
#include <media/vsp1.h>
#include "vsp1_pipe.h"
/**
* struct vsp1_drm_pipeline - State for the API exposed to the DRM driver
* @ pipe : the VSP1 pipeline used for display
* @ partition : the pre - calculated partition used by the pipeline
* @ width : output display width
* @ height : output display height
* @ force_brx_release : when set , release the BRx during the next reconfiguration
* @ wait_queue : wait queue to wait for BRx release completion
* @ uif : UIF entity if available for the pipeline
* @ crc : CRC computation configuration
* @ du_complete : frame completion callback for the DU driver ( optional )
* @ du_private : data to be passed to the du_complete callback
*/
struct vsp1_drm_pipeline {
struct vsp1_pipeline pipe;
struct vsp1_partition partition;
unsigned int width;
unsigned int height;
bool force_brx_release;
wait_queue_head_t wait_queue;
struct vsp1_entity *uif;
struct vsp1_du_crc_config crc;
/* Frame synchronisation */
void (*du_complete)(void *data, unsigned int status, u32 crc);
void *du_private;
};
/**
* struct vsp1_drm - State for the API exposed to the DRM driver
* @ pipe : the VSP1 DRM pipeline used for display
* @ lock : protects the BRU and BRS allocation
* @ inputs : source crop rectangle , destination compose rectangle , z - order
* position and colorspace for every input ( indexed by RPF index )
*/
struct vsp1_drm {
struct vsp1_drm_pipeline pipe[VSP1_MAX_LIF];
struct mutex lock;
struct vsp1_drm_input {
struct v4l2_rect crop;
struct v4l2_rect compose;
unsigned int zpos;
enum v4l2_ycbcr_encoding ycbcr_enc;
enum v4l2_quantization quantization;
} inputs[VSP1_MAX_RPF];
};
static inline struct vsp1_drm_pipeline *
to_vsp1_drm_pipeline(struct vsp1_pipeline *pipe)
{
return container_of(pipe, struct vsp1_drm_pipeline, pipe);
}
int vsp1_drm_init(struct vsp1_device *vsp1);
void vsp1_drm_cleanup(struct vsp1_device *vsp1);
#endif /* __VSP1_DRM_H__ */
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(vorverarbeitet am 2026-10-02)
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