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/*
* camss-video.h
*
* Qualcomm MSM Camera Subsystem - V4L2 device node
*
* Copyright (c) 2013-2015, The Linux Foundation. All rights reserved.
* Copyright (C) 2015-2017 Linaro Ltd.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef QC_MSM_CAMSS_VIDEO_H
#define QC_MSM_CAMSS_VIDEO_H
#include <linux/mutex.h>
#include <linux/videodev2.h>
#include <media/media-entity.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-device.h>
#include <media/v4l2-fh.h>
#include <media/v4l2-mediabus.h>
#include <media/videobuf2-v4l2.h>
struct camss_buffer {
struct vb2_v4l2_buffer vb;
dma_addr_t addr[3];
struct list_head queue;
};
struct camss_video;
struct camss_video_ops {
int (*queue_buffer)(struct camss_video *vid, struct camss_buffer *buf);
int (*flush_buffers)(struct camss_video *vid,
enum vb2_buffer_state state);
};
struct camss_format_info;
struct camss_video {
struct camss *camss;
struct vb2_queue vb2_q;
struct video_device vdev;
struct media_pad pad;
struct v4l2_format active_fmt;
enum v4l2_buf_type type;
struct media_pipeline pipe;
const struct camss_video_ops *ops;
struct mutex lock;
struct mutex q_lock;
unsigned int bpl_alignment;
unsigned int line_based;
const struct camss_format_info *formats;
unsigned int nformats;
};
void msm_video_stop_streaming(struct camss_video *video);
int msm_video_register(struct camss_video *video, struct v4l2_device *v4l2_dev,
const char *name, int is_pix);
void msm_video_unregister(struct camss_video *video);
#endif /* QC_MSM_CAMSS_VIDEO_H */
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