1/* SPDX-License-Identifier: GPL-2.0+ */
2/*
3 * vsp1_hgt.h  --  R-Car VSP1 Histogram Generator 2D
4 *
5 * Copyright (C) 2016 Renesas Electronics Corporation
6 *
7 * Contact: Niklas S��derlund (niklas.soderlund@ragnatech.se)
8 */
9#ifndef __VSP1_HGT_H__
10#define __VSP1_HGT_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
18struct vsp1_device;
19
20#define HGT_NUM_HUE_AREAS			6
21
22struct vsp1_hgt {
23	struct vsp1_histogram histo;
24
25	struct v4l2_ctrl_handler ctrls;
26
27	u8 hue_areas[HGT_NUM_HUE_AREAS * 2];
28};
29
30static inline struct vsp1_hgt *to_hgt(struct v4l2_subdev *subdev)
31{
32	return container_of(subdev, struct vsp1_hgt, histo.entity.subdev);
33}
34
35struct vsp1_hgt *vsp1_hgt_create(struct vsp1_device *vsp1);
36void vsp1_hgt_frame_end(struct vsp1_entity *hgt);
37
38#endif /* __VSP1_HGT_H__ */
39