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