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 */
26 struct 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