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_EED1_8_TYPES_H
17#define __IA_CSS_EED1_8_TYPES_H
18
19/* @file
20* CSS-API header file for Edge Enhanced Demosaic parameters.
21*/
22
23#include "type_support.h"
24
25/**
26 * \brief EED1_8 public parameters.
27 * \details Struct with all parameters for the EED1.8 kernel that can be set
28 * from the CSS API.
29 */
30
31/* parameter list is based on ISP261 CSS API public parameter list_all.xlsx from 28-01-2015 */
32
33/* Number of segments + 1 segment used in edge reliability enhancement
34 * Ineffective: N/A
35 * Default:	9
36 */
37#define IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS	9
38
39/* Edge Enhanced Demosaic configuration
40 *
41 * ISP2.6.1: EED1_8 is used.
42 */
43
44struct ia_css_eed1_8_config {
45	s32 rbzp_strength;	/** Strength of zipper reduction. */
46
47	s32 fcstrength;	/** Strength of false color reduction. */
48	s32 fcthres_0;	/** Threshold to prevent chroma coring due to noise or green disparity in dark region. */
49	s32 fcthres_1;	/** Threshold to prevent chroma coring due to noise or green disparity in bright region. */
50	s32 fc_sat_coef;	/** How much color saturation to maintain in high color saturation region. */
51	s32 fc_coring_prm;	/** Chroma coring coefficient for tint color suppression. */
52
53	s32 aerel_thres0;	/** Threshold for Non-Directional Reliability at dark region. */
54	s32 aerel_gain0;	/** Gain for Non-Directional Reliability at dark region. */
55	s32 aerel_thres1;	/** Threshold for Non-Directional Reliability at bright region. */
56	s32 aerel_gain1;	/** Gain for Non-Directional Reliability at bright region. */
57
58	s32 derel_thres0;	/** Threshold for Directional Reliability at dark region. */
59	s32 derel_gain0;	/** Gain for Directional Reliability at dark region. */
60	s32 derel_thres1;	/** Threshold for Directional Reliability at bright region. */
61	s32 derel_gain1;	/** Gain for Directional Reliability at bright region. */
62
63	s32 coring_pos0;	/** Positive Edge Coring Threshold in dark region. */
64	s32 coring_pos1;	/** Positive Edge Coring Threshold in bright region. */
65	s32 coring_neg0;	/** Negative Edge Coring Threshold in dark region. */
66	s32 coring_neg1;	/** Negative Edge Coring Threshold in bright region. */
67
68	s32 gain_exp;	/** Common Exponent of Gain. */
69	s32 gain_pos0;	/** Gain for Positive Edge in dark region. */
70	s32 gain_pos1;	/** Gain for Positive Edge in bright region. */
71	s32 gain_neg0;	/** Gain for Negative Edge in dark region. */
72	s32 gain_neg1;	/** Gain for Negative Edge in bright region. */
73
74	s32 pos_margin0;	/** Margin for Positive Edge in dark region. */
75	s32 pos_margin1;	/** Margin for Positive Edge in bright region. */
76	s32 neg_margin0;	/** Margin for Negative Edge in dark region. */
77	s32 neg_margin1;	/** Margin for Negative Edge in bright region. */
78
79	s32 dew_enhance_seg_x[IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS];		/** Segment data for directional edge weight: X. */
80	s32 dew_enhance_seg_y[IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS];		/** Segment data for directional edge weight: Y. */
81	s32 dew_enhance_seg_slope[(IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS -
82				   1)];	/** Segment data for directional edge weight: Slope. */
83	s32 dew_enhance_seg_exp[(IA_CSS_NUMBER_OF_DEW_ENHANCE_SEGMENTS -
84				 1)];	/** Segment data for directional edge weight: Exponent. */
85	s32 dedgew_max;	/** Max Weight for Directional Edge. */
86};
87
88#endif /* __IA_CSS_EED1_8_TYPES_H */
89