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_FPN_TYPES_H 17 #define __IA_CSS_FPN_TYPES_H 18 19 /* @file 20 * CSS-API header file for Fixed Pattern Noise parameters. 21 */ 22 23 /* Fixed Pattern Noise table. 24 * 25 * This contains the fixed patterns noise values 26 * obtained from a black frame capture. 27 * 28 * "shift" should be set as the smallest value 29 * which satisfies the requirement the maximum data is less than 64. 30 * 31 * ISP block: FPN1 32 * ISP1: FPN1 is used. 33 * ISP2: FPN1 is used. 34 */ 35 36 struct ia_css_fpn_table { 37 s16 *data; /** Table content (fixed patterns noise). 38 u0.[13-shift], [0,63] */ 39 u32 width; /** Table width (in pixels). 40 This is the input frame width. */ 41 u32 height; /** Table height (in pixels). 42 This is the input frame height. */ 43 u32 shift; /** Common exponent of table content. 44 u8.0, [0,13] */ 45 u32 enabled; /** Fpn is enabled. 46 bool */ 47 }; 48 49 struct ia_css_fpn_configuration { 50 const struct ia_css_frame_info *info; 51 }; 52 53 #endif /* __IA_CSS_FPN_TYPES_H */ 54