linux/drivers/media/platform/qcom/camss/camss-video.h
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   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_format_info;
  37
  38struct camss_video {
  39        struct camss *camss;
  40        struct vb2_queue vb2_q;
  41        struct video_device vdev;
  42        struct media_pad pad;
  43        struct v4l2_format active_fmt;
  44        enum v4l2_buf_type type;
  45        struct media_pipeline pipe;
  46        const struct camss_video_ops *ops;
  47        struct mutex lock;
  48        struct mutex q_lock;
  49        unsigned int bpl_alignment;
  50        unsigned int line_based;
  51        const struct camss_format_info *formats;
  52        unsigned int nformats;
  53};
  54
  55int msm_video_register(struct camss_video *video, struct v4l2_device *v4l2_dev,
  56                       const char *name, int is_pix);
  57
  58void msm_video_unregister(struct camss_video *video);
  59
  60#endif /* QC_MSM_CAMSS_VIDEO_H */
  61