1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * vsp1_video.h  --  R-Car VSP1 Video Node
4  *
5  * Copyright (C) 2013-2015 Renesas Electronics Corporation
6  *
7  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
8  */
9 #ifndef __VSP1_VIDEO_H__
10 #define __VSP1_VIDEO_H__
11 
12 #include <linux/list.h>
13 #include <linux/spinlock.h>
14 
15 #include <media/videobuf2-v4l2.h>
16 
17 #include "vsp1_rwpf.h"
18 
19 struct vsp1_vb2_buffer {
20 	struct vb2_v4l2_buffer buf;
21 	struct list_head queue;
22 	struct vsp1_rwpf_memory mem;
23 };
24 
25 static inline struct vsp1_vb2_buffer *
to_vsp1_vb2_buffer(struct vb2_v4l2_buffer * vbuf)26 to_vsp1_vb2_buffer(struct vb2_v4l2_buffer *vbuf)
27 {
28 	return container_of(vbuf, struct vsp1_vb2_buffer, buf);
29 }
30 
31 struct vsp1_video {
32 	struct list_head list;
33 	struct vsp1_device *vsp1;
34 	struct vsp1_rwpf *rwpf;
35 
36 	struct video_device video;
37 	enum v4l2_buf_type type;
38 	struct media_pad pad;
39 
40 	struct mutex lock;
41 
42 	unsigned int pipe_index;
43 
44 	struct vb2_queue queue;
45 	spinlock_t irqlock;
46 	struct list_head irqqueue;
47 };
48 
to_vsp1_video(struct video_device * vdev)49 static inline struct vsp1_video *to_vsp1_video(struct video_device *vdev)
50 {
51 	return container_of(vdev, struct vsp1_video, video);
52 }
53 
54 void vsp1_video_suspend(struct vsp1_device *vsp1);
55 void vsp1_video_resume(struct vsp1_device *vsp1);
56 
57 struct vsp1_video *vsp1_video_create(struct vsp1_device *vsp1,
58 				     struct vsp1_rwpf *rwpf);
59 void vsp1_video_cleanup(struct vsp1_video *video);
60 
61 #endif /* __VSP1_VIDEO_H__ */
62