drivers/media/platform/vsp1/vsp1_video.h

   1 /*
   2  * vsp1_video.h  --  R-Car VSP1 Video Node
   3  *
   4  * Copyright (C) 2013-2015 Renesas Electronics Corporation
   5  *
   6  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License as published by
  10  * the Free Software Foundation; either version 2 of the License, or
  11  * (at your option) any later version.
  12  */
  13 #ifndef __VSP1_VIDEO_H__
  14 #define __VSP1_VIDEO_H__
  15
  16 #include <linux/list.h>
  17 #include <linux/spinlock.h>
  18
  19 #include <media/videobuf2-v4l2.h>
  20
  21 #include "vsp1_pipe.h"
  22 #include "vsp1_rwpf.h"
  23
  24 struct vsp1_vb2_buffer {
  25         struct vb2_v4l2_buffer buf;
  26         struct list_head queue;
  27         struct vsp1_rwpf_memory mem;
  28 };
  29
  30 static inline struct vsp1_vb2_buffer *
  31 to_vsp1_vb2_buffer(struct vb2_v4l2_buffer *vbuf)
  32 {
  33         return container_of(vbuf, struct vsp1_vb2_buffer, buf);
  34 }
  35
  36 struct vsp1_video {
  37         struct list_head list;
  38         struct vsp1_device *vsp1;
  39         struct vsp1_rwpf *rwpf;
  40
  41         struct video_device video;
  42         enum v4l2_buf_type type;
  43         struct media_pad pad;
  44
  45         struct mutex lock;
  46
  47         struct vsp1_pipeline pipe;
  48         unsigned int pipe_index;
  49
  50         struct vb2_queue queue;
  51         void *alloc_ctx;
  52         spinlock_t irqlock;
  53         struct list_head irqqueue;
  54         unsigned int sequence;
  55 };
  56
  57 static inline struct vsp1_video *to_vsp1_video(struct video_device *vdev)
  58 {
  59         return container_of(vdev, struct vsp1_video, video);
  60 }
  61
  62 struct vsp1_video *vsp1_video_create(struct vsp1_device *vsp1,
  63                                      struct vsp1_rwpf *rwpf);
  64 void vsp1_video_cleanup(struct vsp1_video *video);
  65
  66 #endif /* __VSP1_VIDEO_H__ */