LXR linux/drivers/media/platform/vsp1/vsp1

   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
  19struct vsp1_vb2_buffer {
  20        struct vb2_v4l2_buffer buf;
  21        struct list_head queue;
  22        struct vsp1_rwpf_memory mem;
  23};
  24
  25static inline struct vsp1_vb2_buffer *
  26to_vsp1_vb2_buffer(struct vb2_v4l2_buffer *vbuf)
  27{
  28        return container_of(vbuf, struct vsp1_vb2_buffer, buf);
  29}
  30
  31struct 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
  49static inline struct vsp1_video *to_vsp1_video(struct video_device *vdev)
  50{
  51        return container_of(vdev, struct vsp1_video, video);
  52}
  53
  54void vsp1_video_suspend(struct vsp1_device *vsp1);
  55void vsp1_video_resume(struct vsp1_device *vsp1);
  56
  57struct vsp1_video *vsp1_video_create(struct vsp1_device *vsp1,
  58                                     struct vsp1_rwpf *rwpf);
  59void vsp1_video_cleanup(struct vsp1_video *video);
  60
  61#endif /* __VSP1_VIDEO_H__ */
  62