camss-video.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/*
 3 * camss-video.h
 4 *
 5 * Qualcomm MSM Camera Subsystem - V4L2 device node
 6 *
 7 * Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
 8 * Copyright (C) 2015-2018 Linaro Ltd.
 9 */
10#ifndef QC_MSM_CAMSS_VIDEO_H
11#define QC_MSM_CAMSS_VIDEO_H
12
13#include <linux/mutex.h>
14#include <linux/videodev2.h>
15#include <media/media-entity.h>
16#include <media/v4l2-dev.h>
17#include <media/v4l2-device.h>
18#include <media/v4l2-fh.h>
19#include <media/v4l2-mediabus.h>
20#include <media/videobuf2-v4l2.h>
21
22struct camss_buffer {
23	struct vb2_v4l2_buffer vb;
24	dma_addr_t addr[3];
25	struct list_head queue;
26};
27
28struct camss_video;
29
30struct camss_video_ops {
31	int (*queue_buffer)(struct camss_video *vid, struct camss_buffer *buf);
32	int (*flush_buffers)(struct camss_video *vid,
33			     enum vb2_buffer_state state);
34};
35
36struct camss_video {
37	struct camss *camss;
38	struct vb2_queue vb2_q;
39	struct video_device vdev;
40	struct media_pad pad;
41	struct v4l2_format active_fmt;
42	enum v4l2_buf_type type;
43	struct media_pipeline pipe;
44	const struct camss_video_ops *ops;
45	struct mutex lock;
46	struct mutex q_lock;
47	unsigned int bpl_alignment;
48	unsigned int line_based;
49	const struct camss_format_info *formats;
50	unsigned int nformats;
51};
52
53int msm_video_register(struct camss_video *video, struct v4l2_device *v4l2_dev,
54		       const char *name);
55
56void msm_video_unregister(struct camss_video *video);
57
58#endif /* QC_MSM_CAMSS_VIDEO_H */