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_PARAM_H 17 #define __IA_CSS_CTC2_PARAM_H 18 19 #define IA_CSS_CTC_COEF_SHIFT 13 20 #include "vmem.h" /* needed for VMEM_ARRAY */ 21 22 /* CTC (Chroma Tone Control)ISP Parameters */ 23 24 /*VMEM Luma params*/ 25 struct ia_css_isp_ctc2_vmem_params { 26 /** Gains by Y(Luma) at Y = 0.0,Y_X1, Y_X2, Y_X3, Y_X4*/ 27 VMEM_ARRAY(y_x, ISP_VEC_NELEMS); 28 /* kneepoints by Y(Luma) 0.0, y_x1, y_x2, y _x3, y_x4*/ 29 VMEM_ARRAY(y_y, ISP_VEC_NELEMS); 30 /* Slopes of lines interconnecting 31 * 0.0 -> y_x1 -> y_x2 -> y _x3 -> y_x4 -> 1.0*/ 32 VMEM_ARRAY(e_y_slope, ISP_VEC_NELEMS); 33 }; 34 35 /*DMEM Chroma params*/ 36 struct ia_css_isp_ctc2_dmem_params { 37 /* Gains by UV(Chroma) under kneepoints uv_x0 and uv_x1*/ 38 s32 uv_y0; 39 s32 uv_y1; 40 41 /* Kneepoints by UV(Chroma)- uv_x0 and uv_x1*/ 42 s32 uv_x0; 43 s32 uv_x1; 44 45 /* Slope of line interconnecting uv_x0 -> uv_x1*/ 46 s32 uv_dydx; 47 48 }; 49 #endif /* __IA_CSS_CTC2_PARAM_H */ 50