1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * Support for Intel Camera Imaging ISP subsystem.
4 * Copyright (c) 2015, Intel Corporation.
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms and conditions of the GNU General Public License,
8 * version 2, as published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
13 * more details.
14 */
15
16#ifndef __IA_CSS_CTC2_TYPES_H
17#define __IA_CSS_CTC2_TYPES_H
18
19/* Chroma Tone Control configuration.
20*
21*  ISP block: CTC2 (CTC by polygonal approximation)
22* (ISP1: CTC1 (CTC by look-up table) is used.)
23*  ISP2: CTC2 is used.
24*  ISP261: CTC2 (CTC by Fast Approximate Distance)
25*/
26struct ia_css_ctc2_config {
27	/** Gains by Y(Luma) at Y =0.0,Y_X1, Y_X2, Y_X3, Y_X4 and Y_X5
28	*   --default/ineffective value: 4096(0.5f)
29	*/
30	s32 y_y0;
31	s32 y_y1;
32	s32 y_y2;
33	s32 y_y3;
34	s32 y_y4;
35	s32 y_y5;
36	/* 1st-4th  kneepoints by Y(Luma) --default/ineffective value:n/a
37	*   requirement: 0.0 < y_x1 < y_x2 <y _x3 < y_x4 < 1.0
38	*/
39	s32 y_x1;
40	s32 y_x2;
41	s32 y_x3;
42	s32 y_x4;
43	/* Gains by UV(Chroma) under threholds uv_x0 and uv_x1
44	*   --default/ineffective value: 4096(0.5f)
45	*/
46	s32 uv_y0;
47	s32 uv_y1;
48	/* Minimum and Maximum Thresholds by UV(Chroma)- uv_x0 and uv_x1
49	*   --default/ineffective value: n/a
50	*/
51	s32 uv_x0;
52	s32 uv_x1;
53};
54
55#endif /* __IA_CSS_CTC2_TYPES_H */
56