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kernel/linux-rt-4.4.41/drivers/media/platform/vsp1/vsp1_uds.h 1.01 KB
5113f6f70   김현기   kernel add
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  /*
   * vsp1_uds.h  --  R-Car VSP1 Up and Down Scaler
   *
   * Copyright (C) 2013-2014 Renesas Electronics Corporation
   *
   * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License as published by
   * the Free Software Foundation; either version 2 of the License, or
   * (at your option) any later version.
   */
  #ifndef __VSP1_UDS_H__
  #define __VSP1_UDS_H__
  
  #include <media/media-entity.h>
  #include <media/v4l2-subdev.h>
  
  #include "vsp1_entity.h"
  
  struct vsp1_device;
  
  #define UDS_PAD_SINK				0
  #define UDS_PAD_SOURCE				1
  
  struct vsp1_uds {
  	struct vsp1_entity entity;
  	bool scale_alpha;
  };
  
  static inline struct vsp1_uds *to_uds(struct v4l2_subdev *subdev)
  {
  	return container_of(subdev, struct vsp1_uds, entity.subdev);
  }
  
  struct vsp1_uds *vsp1_uds_create(struct vsp1_device *vsp1, unsigned int index);
  
  void vsp1_uds_set_alpha(struct vsp1_uds *uds, unsigned int alpha);
  
  #endif /* __VSP1_UDS_H__ */