linux-arkmicro/linux/drivers/media/platform/vsp1/vsp1_uds.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * vsp1_uds.h  --  R-Car VSP1 Up and Down Scaler
 *
 * Copyright (C) 2013-2014 Renesas Electronics Corporation
 *
 * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
 */
#ifndef __VSP1_UDS_H__
#define __VSP1_UDS_H__

#include <media/media-entity.h>
#include <media/v4l2-subdev.h>

#include "vsp1_entity.h"

struct vsp1_device;

#define UDS_PAD_SINK				0
#define UDS_PAD_SOURCE				1

struct vsp1_uds {
	struct vsp1_entity entity;
	bool scale_alpha;
};

static inline struct vsp1_uds *to_uds(struct v4l2_subdev *subdev)
{
	return container_of(subdev, struct vsp1_uds, entity.subdev);
}

struct vsp1_uds *vsp1_uds_create(struct vsp1_device *vsp1, unsigned int index);

void vsp1_uds_set_alpha(struct vsp1_entity *uds, struct vsp1_dl_body *dlb,
			unsigned int alpha);

#endif /* __VSP1_UDS_H__ */