1 /*
2  * Support for Intel Camera Imaging ISP subsystem.
3  * Copyright (c) 2015, Intel Corporation.
4  *
5  * This program is free software; you can redistribute it and/or modify it
6  * under the terms and conditions of the GNU General Public License,
7  * version 2, as published by the Free Software Foundation.
8  *
9  * This program is distributed in the hope it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
12  * more details.
13  */
14 
15 #ifndef __IA_CSS_BNR2_2_TYPES_H
16 #define __IA_CSS_BNR2_2_TYPES_H
17 
18 /* @file
19 * CSS-API header file for Bayer Noise Reduction parameters.
20 */
21 
22 #include "type_support.h" /* int32_t */
23 
24 /* Bayer Noise Reduction 2.2 configuration
25  *
26  * \brief BNR2_2 public parameters.
27  * \details Struct with all parameters for the BNR2.2 kernel that can be set
28  * from the CSS API.
29  *
30  * ISP2.6.1: BNR2.2 is used.
31  */
32 struct ia_css_bnr2_2_config {
33 	/**@{*/
34 	/* Directional variance gain for R/G/B components in dark region */
35 	s32 d_var_gain_r;
36 	s32 d_var_gain_g;
37 	s32 d_var_gain_b;
38 	/**@}*/
39 	/**@{*/
40 	/* Slope of Directional variance gain between dark and bright region */
41 	s32 d_var_gain_slope_r;
42 	s32 d_var_gain_slope_g;
43 	s32 d_var_gain_slope_b;
44 	/**@}*/
45 	/**@{*/
46 	/* Non-Directional variance gain for R/G/B components in dark region */
47 	s32 n_var_gain_r;
48 	s32 n_var_gain_g;
49 	s32 n_var_gain_b;
50 	/**@}*/
51 	/**@{*/
52 	/* Slope of Non-Directional variance gain between dark and bright region */
53 	s32 n_var_gain_slope_r;
54 	s32 n_var_gain_slope_g;
55 	s32 n_var_gain_slope_b;
56 	/**@}*/
57 
58 	s32 dir_thres;		/** Threshold for directional filtering */
59 	s32 dir_thres_w;		/** Threshold width for directional filtering */
60 	s32 var_offset_coef;	/** Variance offset coefficient */
61 	s32 dir_gain;		/** Gain for directional coefficient */
62 	s32 detail_gain;		/** Gain for low contrast texture control */
63 	s32 detail_gain_divisor;	/** Gain divisor for low contrast texture control */
64 	s32 detail_level_offset;	/** Bias value for low contrast texture control */
65 	s32 d_var_th_min;		/** Minimum clipping value for directional variance*/
66 	s32 d_var_th_max;		/** Maximum clipping value for diretional variance*/
67 	s32 n_var_th_min;		/** Minimum clipping value for non-directional variance*/
68 	s32 n_var_th_max;		/** Maximum clipping value for non-directional variance*/
69 };
70 
71 #endif /* __IA_CSS_BNR2_2_TYPES_H */
72