1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2015, Intel Corporation. 5 */ 6 7 #ifndef __IA_CSS_CTC2_TYPES_H 8 #define __IA_CSS_CTC2_TYPES_H 9 10 /* Chroma Tone Control configuration. 11 * 12 * ISP block: CTC2 (CTC by polygonal approximation) 13 * (ISP1: CTC1 (CTC by look-up table) is used.) 14 * ISP2: CTC2 is used. 15 * ISP261: CTC2 (CTC by Fast Approximate Distance) 16 */ 17 struct ia_css_ctc2_config { 18 /** Gains by Y(Luma) at Y =0.0,Y_X1, Y_X2, Y_X3, Y_X4 and Y_X5 19 * --default/ineffective value: 4096(0.5f) 20 */ 21 s32 y_y0; 22 s32 y_y1; 23 s32 y_y2; 24 s32 y_y3; 25 s32 y_y4; 26 s32 y_y5; 27 /* 1st-4th kneepoints by Y(Luma) --default/ineffective value:n/a 28 * requirement: 0.0 < y_x1 < y_x2 <y _x3 < y_x4 < 1.0 29 */ 30 s32 y_x1; 31 s32 y_x2; 32 s32 y_x3; 33 s32 y_x4; 34 /* Gains by UV(Chroma) under threholds uv_x0 and uv_x1 35 * --default/ineffective value: 4096(0.5f) 36 */ 37 s32 uv_y0; 38 s32 uv_y1; 39 /* Minimum and Maximum Thresholds by UV(Chroma)- uv_x0 and uv_x1 40 * --default/ineffective value: n/a 41 */ 42 s32 uv_x0; 43 s32 uv_x1; 44 }; 45 46 #endif /* __IA_CSS_CTC2_TYPES_H */ 47