root/drivers/staging/media/atomisp/pci/isp/kernels/ctc/ctc2/ia_css_ctc2_types.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __IA_CSS_CTC2_TYPES_H
#define __IA_CSS_CTC2_TYPES_H

/* Chroma Tone Control configuration.
*
*  ISP block: CTC2 (CTC by polygonal approximation)
* (ISP1: CTC1 (CTC by look-up table) is used.)
*  ISP2: CTC2 is used.
*  ISP261: CTC2 (CTC by Fast Approximate Distance)
*/
struct ia_css_ctc2_config {
        /** Gains by Y(Luma) at Y =0.0,Y_X1, Y_X2, Y_X3, Y_X4 and Y_X5
        *   --default/ineffective value: 4096(0.5f)
        */
        s32 y_y0;
        s32 y_y1;
        s32 y_y2;
        s32 y_y3;
        s32 y_y4;
        s32 y_y5;
        /* 1st-4th  kneepoints by Y(Luma) --default/ineffective value:n/a
        *   requirement: 0.0 < y_x1 < y_x2 <y _x3 < y_x4 < 1.0
        */
        s32 y_x1;
        s32 y_x2;
        s32 y_x3;
        s32 y_x4;
        /* Gains by UV(Chroma) under threholds uv_x0 and uv_x1
        *   --default/ineffective value: 4096(0.5f)
        */
        s32 uv_y0;
        s32 uv_y1;
        /* Minimum and Maximum Thresholds by UV(Chroma)- uv_x0 and uv_x1
        *   --default/ineffective value: n/a
        */
        s32 uv_x0;
        s32 uv_x1;
};

#endif /* __IA_CSS_CTC2_TYPES_H */