/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Support for Intel Camera Imaging ISP subsystem.
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* Copyright (c) 2015, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#ifndef __IA_CSS_CTC2_PARAM_H
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#define __IA_CSS_CTC2_PARAM_H
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#define IA_CSS_CTC_COEF_SHIFT 13
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#include "vmem.h" /* needed for VMEM_ARRAY */
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/* CTC (Chroma Tone Control)ISP Parameters */
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/*VMEM Luma params*/
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struct ia_css_isp_ctc2_vmem_params {
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/** Gains by Y(Luma) at Y = 0.0,Y_X1, Y_X2, Y_X3, Y_X4*/
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VMEM_ARRAY(y_x, ISP_VEC_NELEMS);
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/* kneepoints by Y(Luma) 0.0, y_x1, y_x2, y _x3, y_x4*/
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VMEM_ARRAY(y_y, ISP_VEC_NELEMS);
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/* Slopes of lines interconnecting
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* 0.0 -> y_x1 -> y_x2 -> y _x3 -> y_x4 -> 1.0*/
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VMEM_ARRAY(e_y_slope, ISP_VEC_NELEMS);
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};
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/*DMEM Chroma params*/
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struct ia_css_isp_ctc2_dmem_params {
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/* Gains by UV(Chroma) under kneepoints uv_x0 and uv_x1*/
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s32 uv_y0;
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s32 uv_y1;
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/* Kneepoints by UV(Chroma)- uv_x0 and uv_x1*/
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s32 uv_x0;
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s32 uv_x1;
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/* Slope of line interconnecting uv_x0 -> uv_x1*/
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s32 uv_dydx;
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};
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#endif /* __IA_CSS_CTC2_PARAM_H */
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