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 Söderlund (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 18 struct vsp1_device; 19 20 #define HGT_NUM_HUE_AREAS 6 21 22 struct 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 30 static inline struct vsp1_hgt *to_hgt(struct v4l2_subdev *subdev) 31 { 32 return container_of(subdev, struct vsp1_hgt, histo.entity.subdev); 33 } 34 35 struct vsp1_hgt *vsp1_hgt_create(struct vsp1_device *vsp1); 36 void vsp1_hgt_frame_end(struct vsp1_entity *hgt); 37 38 #endif /* __VSP1_HGT_H__ */ 39