// SPDX-License-Identifier: GPL-2.0
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/*
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* Support for Intel Camera Imaging ISP subsystem.
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* Copyright (c) 2015, Intel Corporation.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*/
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#include "ia_css_types.h"
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#include "sh_css_defs.h"
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#include "ia_css_debug.h"
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#include "sh_css_frac.h"
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#include "ia_css_bnr.host.h"
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void
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ia_css_bnr_encode(
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struct sh_css_isp_bnr_params *to,
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const struct ia_css_nr_config *from,
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unsigned int size)
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{
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(void)size;
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/* BNR (Bayer Noise Reduction) */
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to->threshold_low =
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uDIGIT_FITTING(from->direction, 16, SH_CSS_BAYER_BITS);
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to->threshold_width_log2 = uFRACTION_BITS_FITTING(8);
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to->threshold_width =
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1 << to->threshold_width_log2;
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to->gain_all =
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uDIGIT_FITTING(from->bnr_gain, 16, SH_CSS_BNR_GAIN_SHIFT);
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to->gain_dir =
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uDIGIT_FITTING(from->bnr_gain, 16, SH_CSS_BNR_GAIN_SHIFT);
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to->clip = uDIGIT_FITTING(16384U, 16, SH_CSS_BAYER_BITS);
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}
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void
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ia_css_bnr_dump(
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const struct sh_css_isp_bnr_params *bnr,
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unsigned int level)
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{
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if (!bnr) return;
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ia_css_debug_dtrace(level, "Bayer Noise Reduction:\n");
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ia_css_debug_dtrace(level, "\t%-32s = %d\n",
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"bnr_gain_all", bnr->gain_all);
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ia_css_debug_dtrace(level, "\t%-32s = %d\n",
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"bnr_gain_dir", bnr->gain_dir);
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ia_css_debug_dtrace(level, "\t%-32s = %d\n",
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"bnr_threshold_low",
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bnr->threshold_low);
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ia_css_debug_dtrace(level, "\t%-32s = %d\n",
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"bnr_threshold_width_log2",
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bnr->threshold_width_log2);
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ia_css_debug_dtrace(level, "\t%-32s = %d\n",
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"bnr_threshold_width",
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bnr->threshold_width);
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ia_css_debug_dtrace(level, "\t%-32s = %d\n",
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"bnr_clip", bnr->clip);
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}
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