1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * vsp1_uds.h  --  R-Car VSP1 Up and Down Scaler
4  *
5  * Copyright (C) 2013-2014 Renesas Electronics Corporation
6  *
7  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
8  */
9 #ifndef __VSP1_UDS_H__
10 #define __VSP1_UDS_H__
11 
12 #include <media/media-entity.h>
13 #include <media/v4l2-subdev.h>
14 
15 #include "vsp1_entity.h"
16 
17 struct vsp1_device;
18 
19 #define UDS_PAD_SINK				0
20 #define UDS_PAD_SOURCE				1
21 
22 struct vsp1_uds {
23 	struct vsp1_entity entity;
24 	bool scale_alpha;
25 };
26 
27 static inline struct vsp1_uds *to_uds(struct v4l2_subdev *subdev)
28 {
29 	return container_of(subdev, struct vsp1_uds, entity.subdev);
30 }
31 
32 struct vsp1_uds *vsp1_uds_create(struct vsp1_device *vsp1, unsigned int index);
33 
34 void vsp1_uds_set_alpha(struct vsp1_entity *uds, struct vsp1_dl_body *dlb,
35 			unsigned int alpha);
36 
37 #endif /* __VSP1_UDS_H__ */
38