drivers/media/platform/vsp1/vsp1_hgo.h

   1 /*
   2  * vsp1_hgo.h  --  R-Car VSP1 Histogram Generator 1D
   3  *
   4  * Copyright (C) 2016 Renesas Electronics 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_HGO_H__
  14 #define __VSP1_HGO_H__
  15
  16 #include <media/media-entity.h>
  17 #include <media/v4l2-ctrls.h>
  18 #include <media/v4l2-subdev.h>
  19
  20 #include "vsp1_histo.h"
  21
  22 struct vsp1_device;
  23
  24 struct vsp1_hgo {
  25         struct vsp1_histogram histo;
  26
  27         struct {
  28                 struct v4l2_ctrl_handler handler;
  29                 struct v4l2_ctrl *max_rgb;
  30                 struct v4l2_ctrl *num_bins;
  31         } ctrls;
  32
  33         bool max_rgb;
  34         unsigned int num_bins;
  35 };
  36
  37 static inline struct vsp1_hgo *to_hgo(struct v4l2_subdev *subdev)
  38 {
  39         return container_of(subdev, struct vsp1_hgo, histo.entity.subdev);
  40 }
  41
  42 struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1);
  43 void vsp1_hgo_frame_end(struct vsp1_entity *hgo);
  44
  45 #endif /* __VSP1_HGO_H__ */