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_BNR2_2_TYPES_H
17#define __IA_CSS_BNR2_2_TYPES_H
18
19/* @file
20* CSS-API header file for Bayer Noise Reduction parameters.
21*/
22
23#include "type_support.h" /* int32_t */
24
25/* Bayer Noise Reduction 2.2 configuration
26 *
27 * \brief BNR2_2 public parameters.
28 * \details Struct with all parameters for the BNR2.2 kernel that can be set
29 * from the CSS API.
30 *
31 * ISP2.6.1: BNR2.2 is used.
32 */
33struct ia_css_bnr2_2_config {
34	/**@{*/
35	/* Directional variance gain for R/G/B components in dark region */
36	s32 d_var_gain_r;
37	s32 d_var_gain_g;
38	s32 d_var_gain_b;
39	/**@}*/
40	/**@{*/
41	/* Slope of Directional variance gain between dark and bright region */
42	s32 d_var_gain_slope_r;
43	s32 d_var_gain_slope_g;
44	s32 d_var_gain_slope_b;
45	/**@}*/
46	/**@{*/
47	/* Non-Directional variance gain for R/G/B components in dark region */
48	s32 n_var_gain_r;
49	s32 n_var_gain_g;
50	s32 n_var_gain_b;
51	/**@}*/
52	/**@{*/
53	/* Slope of Non-Directional variance gain between dark and bright region */
54	s32 n_var_gain_slope_r;
55	s32 n_var_gain_slope_g;
56	s32 n_var_gain_slope_b;
57	/**@}*/
58
59	s32 dir_thres;		/** Threshold for directional filtering */
60	s32 dir_thres_w;		/** Threshold width for directional filtering */
61	s32 var_offset_coef;	/** Variance offset coefficient */
62	s32 dir_gain;		/** Gain for directional coefficient */
63	s32 detail_gain;		/** Gain for low contrast texture control */
64	s32 detail_gain_divisor;	/** Gain divisor for low contrast texture control */
65	s32 detail_level_offset;	/** Bias value for low contrast texture control */
66	s32 d_var_th_min;		/** Minimum clipping value for directional variance*/
67	s32 d_var_th_max;		/** Maximum clipping value for diretional variance*/
68	s32 n_var_th_min;		/** Minimum clipping value for non-directional variance*/
69	s32 n_var_th_max;		/** Maximum clipping value for non-directional variance*/
70};
71
72#endif /* __IA_CSS_BNR2_2_TYPES_H */
73