tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
20struct device;
21
22int 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 */
33struct vsp1_du_lif_config {
34 unsigned int width;
35 unsigned int height;
36
37 void (*callback)(void *, bool);
38 void *callback_data;
39};
40
41int vsp1_du_setup_lif(struct device *dev, unsigned int pipe_index,
42 const struct vsp1_du_lif_config *cfg);
43
44struct vsp1_du_atomic_config {
45 u32 pixelformat;
46 unsigned int pitch;
47 dma_addr_t mem[3];
48 struct v4l2_rect src;
49 struct v4l2_rect dst;
50 unsigned int alpha;
51 unsigned int zpos;
52};
53
54void vsp1_du_atomic_begin(struct device *dev, unsigned int pipe_index);
55int vsp1_du_atomic_update(struct device *dev, unsigned int pipe_index,
56 unsigned int rpf,
57 const struct vsp1_du_atomic_config *cfg);
58void vsp1_du_atomic_flush(struct device *dev, unsigned int pipe_index);
59int vsp1_du_map_sg(struct device *dev, struct sg_table *sgt);
60void vsp1_du_unmap_sg(struct device *dev, struct sg_table *sgt);
61
62#endif /* __MEDIA_VSP1_H__ */