text: /*
   * 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.
   */
  
  #include "ia_css_types.h"
  #include "sh_css_defs.h"
  #include "ia_css_debug.h"
  #include "sh_css_frac.h"
  
  #include "ia_css_bnr.host.h"
  
  void
  ia_css_bnr_encode(
  	struct sh_css_isp_bnr_params *to,
  	const struct ia_css_nr_config *from,
  	unsigned size)
  {
  	(void)size;
  	/* BNR (Bayer Noise Reduction) */
  	to->threshold_low =
  	    uDIGIT_FITTING(from->direction, 16, SH_CSS_BAYER_BITS);
  	to->threshold_width_log2 = uFRACTION_BITS_FITTING(8);
  	to->threshold_width =
  	    1 << to->threshold_width_log2;
  	to->gain_all =
  	    uDIGIT_FITTING(from->bnr_gain, 16, SH_CSS_BNR_GAIN_SHIFT);
  	to->gain_dir =
  	    uDIGIT_FITTING(from->bnr_gain, 16, SH_CSS_BNR_GAIN_SHIFT);
  	to->clip = uDIGIT_FITTING((unsigned)16384, 16, SH_CSS_BAYER_BITS);
  }
  
  void
  ia_css_bnr_dump(
  	const struct sh_css_isp_bnr_params *bnr,
  	unsigned level)
  {
  	if (!bnr) return;
  	ia_css_debug_dtrace(level, "Bayer Noise Reduction:\n");
  	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  			"bnr_gain_all", bnr->gain_all);
  	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  			"bnr_gain_dir", bnr->gain_dir);
  	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  			"bnr_threshold_low",
  			bnr->threshold_low);
  	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  			"bnr_threshold_width_log2",
  			bnr->threshold_width_log2);
  	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  			"bnr_threshold_width",
  			bnr->threshold_width);
  	ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  			"bnr_clip", bnr->clip);
  }
  