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/*
* vsp1_drm.h -- R-Car VSP1 DRM/KMS Interface
*
* Copyright (C) 2015 Renesas Electronics Corporation
*
* Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef __VSP1_DRM_H__
#define __VSP1_DRM_H__
#include <linux/mutex.h>
#include <linux/videodev2.h>
#include <linux/wait.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
* @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;
/* Frame synchronisation */
void (*du_complete)(void *, bool);
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__ */
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