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_TDF_TYPES_H 17 #define __IA_CSS_TDF_TYPES_H 18 19 /* @file 20 * CSS-API header file for Transform Domain Filter parameters. 21 */ 22 23 #include "type_support.h" 24 25 /* Transform Domain Filter configuration 26 * 27 * \brief TDF public parameters. 28 * \details Struct with all parameters for the TDF kernel that can be set 29 * from the CSS API. 30 * 31 * ISP2.6.1: TDF is used. 32 */ 33 struct ia_css_tdf_config { 34 s32 thres_flat_table[64]; /** Final optimized strength table of NR for flat region. */ 35 s32 thres_detail_table[64]; /** Final optimized strength table of NR for detail region. */ 36 s32 epsilon_0; /** Coefficient to control variance for dark area (for flat region). */ 37 s32 epsilon_1; /** Coefficient to control variance for bright area (for flat region). */ 38 s32 eps_scale_text; /** Epsilon scaling coefficient for texture region. */ 39 s32 eps_scale_edge; /** Epsilon scaling coefficient for edge region. */ 40 s32 sepa_flat; /** Threshold to judge flat (edge < m_Flat_thre). */ 41 s32 sepa_edge; /** Threshold to judge edge (edge > m_Edge_thre). */ 42 s32 blend_flat; /** Blending ratio at flat region. */ 43 s32 blend_text; /** Blending ratio at texture region. */ 44 s32 blend_edge; /** Blending ratio at edge region. */ 45 s32 shading_gain; /** Gain of Shading control. */ 46 s32 shading_base_gain; /** Base Gain of Shading control. */ 47 s32 local_y_gain; /** Gain of local luminance control. */ 48 s32 local_y_base_gain; /** Base gain of local luminance control. */ 49 s32 rad_x_origin; /** Initial x coord. for radius computation. */ 50 s32 rad_y_origin; /** Initial y coord. for radius computation. */ 51 }; 52 53 #endif /* __IA_CSS_TDF_TYPES_H */ 54