root/drivers/staging/media/atomisp/pci/isp/kernels/bnr/bnr2_2/ia_css_bnr2_2_types.h
/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Support for Intel Camera Imaging ISP subsystem.
 * Copyright (c) 2015, Intel Corporation.
 */

#ifndef __IA_CSS_BNR2_2_TYPES_H
#define __IA_CSS_BNR2_2_TYPES_H

/* @file
* CSS-API header file for Bayer Noise Reduction parameters.
*/

#include "type_support.h" /* int32_t */

/* Bayer Noise Reduction 2.2 configuration
 *
 * \brief BNR2_2 public parameters.
 * \details Struct with all parameters for the BNR2.2 kernel that can be set
 * from the CSS API.
 *
 * ISP2.6.1: BNR2.2 is used.
 */
struct ia_css_bnr2_2_config {
        /**@{*/
        /* Directional variance gain for R/G/B components in dark region */
        s32 d_var_gain_r;
        s32 d_var_gain_g;
        s32 d_var_gain_b;
        /**@}*/
        /**@{*/
        /* Slope of Directional variance gain between dark and bright region */
        s32 d_var_gain_slope_r;
        s32 d_var_gain_slope_g;
        s32 d_var_gain_slope_b;
        /**@}*/
        /**@{*/
        /* Non-Directional variance gain for R/G/B components in dark region */
        s32 n_var_gain_r;
        s32 n_var_gain_g;
        s32 n_var_gain_b;
        /**@}*/
        /**@{*/
        /* Slope of Non-Directional variance gain between dark and bright region */
        s32 n_var_gain_slope_r;
        s32 n_var_gain_slope_g;
        s32 n_var_gain_slope_b;
        /**@}*/

        s32 dir_thres;          /** Threshold for directional filtering */
        s32 dir_thres_w;                /** Threshold width for directional filtering */
        s32 var_offset_coef;    /** Variance offset coefficient */
        s32 dir_gain;           /** Gain for directional coefficient */
        s32 detail_gain;                /** Gain for low contrast texture control */
        s32 detail_gain_divisor;        /** Gain divisor for low contrast texture control */
        s32 detail_level_offset;        /** Bias value for low contrast texture control */
        s32 d_var_th_min;               /** Minimum clipping value for directional variance*/
        s32 d_var_th_max;               /** Maximum clipping value for diretional variance*/
        s32 n_var_th_min;               /** Minimum clipping value for non-directional variance*/
        s32 n_var_th_max;               /** Maximum clipping value for non-directional variance*/
};

#endif /* __IA_CSS_BNR2_2_TYPES_H */