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 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__ */ 42