drivers/media/platform/vsp1/vsp1_entity.h

   1 /*
   2  * vsp1_entity.h  --  R-Car VSP1 Base Entity
   3  *
   4  * Copyright (C) 2013 Renesas 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_ENTITY_H__
  14 #define __VSP1_ENTITY_H__
  15
  16 #include <linux/list.h>
  17
  18 #include <media/v4l2-subdev.h>
  19
  20 struct vsp1_device;
  21
  22 enum vsp1_entity_type {
  23         VSP1_ENTITY_LIF,
  24         VSP1_ENTITY_RPF,
  25         VSP1_ENTITY_UDS,
  26         VSP1_ENTITY_WPF,
  27 };
  28
  29 struct vsp1_entity {
  30         struct vsp1_device *vsp1;
  31
  32         enum vsp1_entity_type type;
  33         unsigned int index;
  34         unsigned int id;
  35         unsigned int route;
  36
  37         struct list_head list_dev;
  38         struct list_head list_pipe;
  39
  40         struct media_pad *pads;
  41         unsigned int source_pad;
  42
  43         struct media_entity *sink;
  44
  45         struct v4l2_subdev subdev;
  46         struct v4l2_mbus_framefmt *formats;
  47 };
  48
  49 static inline struct vsp1_entity *to_vsp1_entity(struct v4l2_subdev *subdev)
  50 {
  51         return container_of(subdev, struct vsp1_entity, subdev);
  52 }
  53
  54 int vsp1_entity_init(struct vsp1_device *vsp1, struct vsp1_entity *entity,
  55                      unsigned int num_pads);
  56 void vsp1_entity_destroy(struct vsp1_entity *entity);
  57
  58 extern const struct v4l2_subdev_internal_ops vsp1_subdev_internal_ops;
  59 extern const struct media_entity_operations vsp1_media_ops;
  60
  61 struct v4l2_mbus_framefmt *
  62 vsp1_entity_get_pad_format(struct vsp1_entity *entity,
  63                            struct v4l2_subdev_fh *fh,
  64                            unsigned int pad, u32 which);
  65 void vsp1_entity_init_formats(struct v4l2_subdev *subdev,
  66                               struct v4l2_subdev_fh *fh);
  67
  68 #endif /* __VSP1_ENTITY_H__ */