xref: /linux/include/media/vsp1.h (revision 507e190946297c34a27d9366b0661d5e506fdd03)
1 /*
2  * vsp1.h  --  R-Car VSP1 API
3  *
4  * Copyright (C) 2015 Renesas Electronics Corporation
5  *
6  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  */
13 #ifndef __MEDIA_VSP1_H__
14 #define __MEDIA_VSP1_H__
15 
16 #include <linux/scatterlist.h>
17 #include <linux/types.h>
18 #include <linux/videodev2.h>
19 
20 struct device;
21 
22 int vsp1_du_init(struct device *dev);
23 
24 /**
25  * struct vsp1_du_lif_config - VSP LIF configuration
26  * @width: output frame width
27  * @height: output frame height
28  * @callback: frame completion callback function (optional). When a callback
29  *	      is provided, the VSP driver guarantees that it will be called once
30  *	      and only once for each vsp1_du_atomic_flush() call.
31  * @callback_data: data to be passed to the frame completion callback
32  */
33 struct vsp1_du_lif_config {
34 	unsigned int width;
35 	unsigned int height;
36 
37 	void (*callback)(void *);
38 	void *callback_data;
39 };
40 
41 int vsp1_du_setup_lif(struct device *dev, const struct vsp1_du_lif_config *cfg);
42 
43 struct vsp1_du_atomic_config {
44 	u32 pixelformat;
45 	unsigned int pitch;
46 	dma_addr_t mem[3];
47 	struct v4l2_rect src;
48 	struct v4l2_rect dst;
49 	unsigned int alpha;
50 	unsigned int zpos;
51 };
52 
53 void vsp1_du_atomic_begin(struct device *dev);
54 int vsp1_du_atomic_update(struct device *dev, unsigned int rpf,
55 			  const struct vsp1_du_atomic_config *cfg);
56 void vsp1_du_atomic_flush(struct device *dev);
57 int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt);
58 void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt);
59 
60 #endif /* __MEDIA_VSP1_H__ */
61