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 (laurent.pinchart@ideasonboard.com)
 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
18struct vsp1_device;
19
20struct 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
33static inline struct vsp1_hgo *to_hgo(struct v4l2_subdev *subdev)
34{
35	return container_of(subdev, struct vsp1_hgo, histo.entity.subdev);
36}
37
38struct vsp1_hgo *vsp1_hgo_create(struct vsp1_device *vsp1);
39void vsp1_hgo_frame_end(struct vsp1_entity *hgo);
40
41#endif /* __VSP1_HGO_H__ */