/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __IA_CSS_CTC2_PARAM_H
#define __IA_CSS_CTC2_PARAM_H

#define IA_CSS_CTC_COEF_SHIFT          13
#include "vmem.h" /* needed for VMEM_ARRAY */

/* CTC (Chroma Tone Control)ISP Parameters */

/*VMEM Luma params*/
struct ia_css_isp_ctc2_vmem_params {
        /** Gains by Y(Luma) at Y = 0.0,Y_X1, Y_X2, Y_X3, Y_X4*/
        VMEM_ARRAY(y_x, ISP_VEC_NELEMS);
        /* kneepoints by Y(Luma) 0.0, y_x1, y_x2, y _x3, y_x4*/
        VMEM_ARRAY(y_y, ISP_VEC_NELEMS);
        /* Slopes of lines interconnecting
         *  0.0 -> y_x1 -> y_x2 -> y _x3 -> y_x4 -> 1.0*/
        VMEM_ARRAY(e_y_slope, ISP_VEC_NELEMS);
};

/*DMEM Chroma params*/
struct ia_css_isp_ctc2_dmem_params {
        /* Gains by UV(Chroma) under kneepoints uv_x0 and uv_x1*/
        s32 uv_y0;
        s32 uv_y1;

        /* Kneepoints by UV(Chroma)- uv_x0 and uv_x1*/
        s32 uv_x0;
        s32 uv_x1;

        /* Slope of line interconnecting uv_x0 -> uv_x1*/
        s32 uv_dydx;

};
#endif /* __IA_CSS_CTC2_PARAM_H */