drivers/media/platform/vsp1/vsp1_hgo.h

   1 /* SPDX-License-Identifier: GPL-2.0+ */
   2 /*
   3  * vsp1_hgo.h  --  R-Car VSP1 Histogram Generator 1D
   4  *
   5  * Copyright (C) 2016 Renesas Electronics Corporation
   6  *
   7  * Contact: Laurent Pinchart ([email protected])
   8  */
   9 #ifndef __VSP1_HGO_H__
  10 #define __VSP1_HGO_H__
  11
  12 #include <media/media-entity.h>
  13 #include <media/v4l2-ctrls.h>
  14 #include <media/v4l2-subdev.h>
  15
  16 #include "vsp1_histo.h"
  17
  18 struct vsp1_device;
  19
  20 struct vsp1_hgo {
  21         struct vsp1_histogram histo;
  22
  23         struct {
  24                 struct v4l2_ctrl_handler handler;
  25                 struct v4l2_ctrl *max_rgb;
  26                 struct v4l2_ctrl *num_bins;
  27         } ctrls;
  28
  29         bool max_rgb;
  30         unsigned int num_bins;
  31 };
  32
  33 static inline struct vsp1_hgo *to_hgo(struct v4l2_subdev *subdev)
  34 {
  35         return container_of(subdev, struct vsp1_hgo, histo.entity.subdev);
  36 }
  37
  38 struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1);
  39 void vsp1_hgo_frame_end(struct vsp1_entity *hgo);
  40
  41 #endif /* __VSP1_HGO_H__ */