drivers/media/platform/vsp1/vsp1_lut.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * vsp1_lut.h  --  R-Car VSP1 Look-Up Table
   4  *
   5  * Copyright (C) 2013 Renesas Corporation
   6  *
   7  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
   8  */
   9 #ifndef __VSP1_LUT_H__
  10 #define __VSP1_LUT_H__
  11
  12 #include <linux/spinlock.h>
  13
  14 #include <media/media-entity.h>
  15 #include <media/v4l2-ctrls.h>
  16 #include <media/v4l2-subdev.h>
  17
  18 #include "vsp1_entity.h"
  19
  20 struct vsp1_device;
  21
  22 #define LUT_PAD_SINK                            0
  23 #define LUT_PAD_SOURCE                          1
  24
  25 struct vsp1_lut {
  26         struct vsp1_entity entity;
  27
  28         struct v4l2_ctrl_handler ctrls;
  29
  30         spinlock_t lock;
  31         struct vsp1_dl_body *lut;
  32         struct vsp1_dl_body_pool *pool;
  33 };
  34
  35 static inline struct vsp1_lut *to_lut(struct v4l2_subdev *subdev)
  36 {
  37         return container_of(subdev, struct vsp1_lut, entity.subdev);
  38 }
  39
  40 struct vsp1_lut *vsp1_lut_create(struct vsp1_device *vsp1);
  41
  42 #endif /* __VSP1_LUT_H__ */