drivers/media/platform/vsp1/vsp1_uds.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * vsp1_uds.h  --  R-Car VSP1 Up and Down Scaler
   4  *
   5  * Copyright (C) 2013-2014 Renesas Electronics Corporation
   6  *
   7  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   8  */
   9 #ifndef __VSP1_UDS_H__
  10 #define __VSP1_UDS_H__
  11
  12 #include <media/media-entity.h>
  13 #include <media/v4l2-subdev.h>
  14
  15 #include "vsp1_entity.h"
  16
  17 struct vsp1_device;
  18
  19 #define UDS_PAD_SINK                            0
  20 #define UDS_PAD_SOURCE                          1
  21
  22 struct vsp1_uds {
  23         struct vsp1_entity entity;
  24         bool scale_alpha;
  25 };
  26
  27 static inline struct vsp1_uds *to_uds(struct v4l2_subdev *subdev)
  28 {
  29         return container_of(subdev, struct vsp1_uds, entity.subdev);
  30 }
  31
  32 struct vsp1_uds *vsp1_uds_create(struct vsp1_device *vsp1, unsigned int index);
  33
  34 void vsp1_uds_set_alpha(struct vsp1_entity *uds, struct vsp1_dl_body *dlb,
  35                         unsigned int alpha);
  36
  37 #endif /* __VSP1_UDS_H__ */