42 lines · c
1/* SPDX-License-Identifier: GPL-2.0+ */2/*3 * vsp1_hgo.h -- R-Car VSP1 Histogram Generator 1D4 *5 * Copyright (C) 2016 Renesas Electronics Corporation6 *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__ */42