diff options
Diffstat (limited to 'drivers/staging/media/atomisp/pci/isp/kernels/bnlm/ia_css_bnlm_types.h')
| -rw-r--r-- | drivers/staging/media/atomisp/pci/isp/kernels/bnlm/ia_css_bnlm_types.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/drivers/staging/media/atomisp/pci/isp/kernels/bnlm/ia_css_bnlm_types.h b/drivers/staging/media/atomisp/pci/isp/kernels/bnlm/ia_css_bnlm_types.h new file mode 100644 index 0000000000..407b5a3b0f --- /dev/null +++ b/drivers/staging/media/atomisp/pci/isp/kernels/bnlm/ia_css_bnlm_types.h @@ -0,0 +1,107 @@ +/* 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_BNLM_TYPES_H +#define __IA_CSS_BNLM_TYPES_H + +/* @file +* CSS-API header file for Bayer Non-Linear Mean parameters. +*/ + +#include "type_support.h" /* int32_t */ + +/* Bayer Non-Linear Mean configuration + * + * \brief BNLM public parameters. + * \details Struct with all parameters for the BNLM kernel that can be set + * from the CSS API. + * + * ISP2.6.1: BNLM is used. + */ +struct ia_css_bnlm_config { + bool rad_enable; /** Enable a radial dependency in a weight calculation */ + s32 rad_x_origin; /** Initial x coordinate for a radius calculation */ + s32 rad_y_origin; /** Initial x coordinate for a radius calculation */ + /* a threshold for average of weights if this < Th, do not denoise pixel */ + s32 avg_min_th; + /* minimum weight for denoising if max < th, do not denoise pixel */ + s32 max_min_th; + + /**@{*/ + /* Coefficient for approximation, in the form of (1 + x / N)^N, + * that fits the first-order exp() to default exp_lut in BNLM sheet + * */ + s32 exp_coeff_a; + u32 exp_coeff_b; + s32 exp_coeff_c; + u32 exp_exponent; + /**@}*/ + + s32 nl_th[3]; /** Detail thresholds */ + + /* Index for n-th maximum candidate weight for each detail group */ + s32 match_quality_max_idx[4]; + + /**@{*/ + /* A lookup table for 1/sqrt(1+mu) approximation */ + s32 mu_root_lut_thr[15]; + s32 mu_root_lut_val[16]; + /**@}*/ + /**@{*/ + /* A lookup table for SAD normalization */ + s32 sad_norm_lut_thr[15]; + s32 sad_norm_lut_val[16]; + /**@}*/ + /**@{*/ + /* A lookup table that models a weight's dependency on textures */ + s32 sig_detail_lut_thr[15]; + s32 sig_detail_lut_val[16]; + /**@}*/ + /**@{*/ + /* A lookup table that models a weight's dependency on a pixel's radial distance */ + s32 sig_rad_lut_thr[15]; + s32 sig_rad_lut_val[16]; + /**@}*/ + /**@{*/ + /* A lookup table to control denoise power depending on a pixel's radial distance */ + s32 rad_pow_lut_thr[15]; + s32 rad_pow_lut_val[16]; + /**@}*/ + /**@{*/ + /* Non linear transfer functions to calculate the blending coefficient depending on detail group */ + /* detail group 0 */ + /**@{*/ + s32 nl_0_lut_thr[15]; + s32 nl_0_lut_val[16]; + /**@}*/ + /**@{*/ + /* detail group 1 */ + s32 nl_1_lut_thr[15]; + s32 nl_1_lut_val[16]; + /**@}*/ + /**@{*/ + /* detail group 2 */ + s32 nl_2_lut_thr[15]; + s32 nl_2_lut_val[16]; + /**@}*/ + /**@{*/ + /* detail group 3 */ + s32 nl_3_lut_thr[15]; + s32 nl_3_lut_val[16]; + /**@}*/ + /**@}*/ +}; + +#endif /* __IA_CSS_BNLM_TYPES_H */ |