| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Support for Intel Camera Imaging ISP subsystem. |
| * Copyright (c) 2015, Intel Corporation. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms and conditions of the GNU General Public License, |
| * version 2, as published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for |
| * more details. |
| */ |
| |
| #ifndef __IA_CSS_XNR_TYPES_H |
| #define __IA_CSS_XNR_TYPES_H |
| |
| /* @file |
| * CSS-API header file for Extra Noise Reduction (XNR) parameters. |
| */ |
| |
| /* XNR table. |
| * |
| * NOTE: The driver does not need to set this table, |
| * because the default values are set inside the css. |
| * |
| * This table contains coefficients used for division in XNR. |
| * |
| * u0.12, [0,4095], |
| * {4095, 2048, 1365, .........., 65, 64} |
| * ({1/1, 1/2, 1/3, ............., 1/63, 1/64}) |
| * |
| * ISP block: XNR1 |
| * ISP1: XNR1 is used. |
| * ISP2: XNR1 is used. |
| * |
| */ |
| |
| /* Number of elements in the xnr table. */ |
| #define IA_CSS_VAMEM_1_XNR_TABLE_SIZE_LOG2 6 |
| /* Number of elements in the xnr table. */ |
| #define IA_CSS_VAMEM_1_XNR_TABLE_SIZE BIT(IA_CSS_VAMEM_1_XNR_TABLE_SIZE_LOG2) |
| |
| /* Number of elements in the xnr table. */ |
| #define IA_CSS_VAMEM_2_XNR_TABLE_SIZE_LOG2 6 |
| /* Number of elements in the xnr table. */ |
| #define IA_CSS_VAMEM_2_XNR_TABLE_SIZE BIT(IA_CSS_VAMEM_2_XNR_TABLE_SIZE_LOG2) |
| |
| /** IA_CSS_VAMEM_TYPE_1(ISP2300) or |
| IA_CSS_VAMEM_TYPE_2(ISP2400) */ |
| union ia_css_xnr_data { |
| u16 vamem_1[IA_CSS_VAMEM_1_XNR_TABLE_SIZE]; |
| /** Coefficients table on vamem type1. u0.12, [0,4095] */ |
| u16 vamem_2[IA_CSS_VAMEM_2_XNR_TABLE_SIZE]; |
| /** Coefficients table on vamem type2. u0.12, [0,4095] */ |
| }; |
| |
| struct ia_css_xnr_table { |
| enum ia_css_vamem_type vamem_type; |
| union ia_css_xnr_data data; |
| }; |
| |
| struct ia_css_xnr_config { |
| /* XNR threshold. |
| * type:u0.16 valid range:[0,65535] |
| * default: 6400 */ |
| u16 threshold; |
| }; |
| |
| #endif /* __IA_CSS_XNR_TYPES_H */ |
