1 /* SPDX-License-Identifier: GPL-2.0 */ 2 /* 3 * Support for Intel Camera Imaging ISP subsystem. 4 * Copyright (c) 2015, Intel Corporation. 5 */ 6 7 #ifndef __IA_CSS_TDF_TYPES_H 8 #define __IA_CSS_TDF_TYPES_H 9 10 /* @file 11 * CSS-API header file for Transform Domain Filter parameters. 12 */ 13 14 #include "type_support.h" 15 16 /* Transform Domain Filter configuration 17 * 18 * \brief TDF public parameters. 19 * \details Struct with all parameters for the TDF kernel that can be set 20 * from the CSS API. 21 * 22 * ISP2.6.1: TDF is used. 23 */ 24 struct ia_css_tdf_config { 25 s32 thres_flat_table[64]; /** Final optimized strength table of NR for flat region. */ 26 s32 thres_detail_table[64]; /** Final optimized strength table of NR for detail region. */ 27 s32 epsilon_0; /** Coefficient to control variance for dark area (for flat region). */ 28 s32 epsilon_1; /** Coefficient to control variance for bright area (for flat region). */ 29 s32 eps_scale_text; /** Epsilon scaling coefficient for texture region. */ 30 s32 eps_scale_edge; /** Epsilon scaling coefficient for edge region. */ 31 s32 sepa_flat; /** Threshold to judge flat (edge < m_Flat_thre). */ 32 s32 sepa_edge; /** Threshold to judge edge (edge > m_Edge_thre). */ 33 s32 blend_flat; /** Blending ratio at flat region. */ 34 s32 blend_text; /** Blending ratio at texture region. */ 35 s32 blend_edge; /** Blending ratio at edge region. */ 36 s32 shading_gain; /** Gain of Shading control. */ 37 s32 shading_base_gain; /** Base Gain of Shading control. */ 38 s32 local_y_gain; /** Gain of local luminance control. */ 39 s32 local_y_base_gain; /** Base gain of local luminance control. */ 40 s32 rad_x_origin; /** Initial x coord. for radius computation. */ 41 s32 rad_y_origin; /** Initial y coord. for radius computation. */ 42 }; 43 44 #endif /* __IA_CSS_TDF_TYPES_H */ 45