77 строки
2.0 KiB
C
77 строки
2.0 KiB
C
/* 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"
|
|
|
|
/**
|
|
* vsp1_drm_pipeline - State for the API exposed to the DRM driver
|
|
* @pipe: the VSP1 pipeline used for display
|
|
* @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;
|
|
|
|
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, bool completed, u32 crc);
|
|
void *du_private;
|
|
};
|
|
|
|
/**
|
|
* 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 and z-order
|
|
* position for every input (indexed by RPF index)
|
|
*/
|
|
struct vsp1_drm {
|
|
struct vsp1_drm_pipeline pipe[VSP1_MAX_LIF];
|
|
struct mutex lock;
|
|
|
|
struct {
|
|
struct v4l2_rect crop;
|
|
struct v4l2_rect compose;
|
|
unsigned int zpos;
|
|
} 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__ */
|