drivers/media/platform/vsp1/vsp1_lut.h

   1 /*
   2  * vsp1_lut.h  --  R-Car VSP1 Look-Up Table
   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_LUT_H__
  14 #define __VSP1_LUT_H__
  15
  16 #include <linux/spinlock.h>
  17
  18 #include <media/media-entity.h>
  19 #include <media/v4l2-ctrls.h>
  20 #include <media/v4l2-subdev.h>
  21
  22 #include "vsp1_entity.h"
  23
  24 struct vsp1_device;
  25
  26 #define LUT_PAD_SINK                            0
  27 #define LUT_PAD_SOURCE                          1
  28
  29 struct vsp1_lut {
  30         struct vsp1_entity entity;
  31
  32         struct v4l2_ctrl_handler ctrls;
  33
  34         spinlock_t lock;
  35         struct vsp1_dl_body *lut;
  36 };
  37
  38 static inline struct vsp1_lut *to_lut(struct v4l2_subdev *subdev)
  39 {
  40         return container_of(subdev, struct vsp1_lut, entity.subdev);
  41 }
  42
  43 struct vsp1_lut *vsp1_lut_create(struct vsp1_device *vsp1);
  44
  45 #endif /* __VSP1_LUT_H__ */