drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/bnr/bnr_1.0/ia_css_bnr.host.c

   1 /*
   2  * Support for Intel Camera Imaging ISP subsystem.
   3  * Copyright (c) 2015, Intel Corporation.
   4  *
   5  * This program is free software; you can redistribute it and/or modify it
   6  * under the terms and conditions of the GNU General Public License,
   7  * version 2, as published by the Free Software Foundation.
   8  *
   9  * This program is distributed in the hope it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  12  * more details.
  13  */
  14
  15 #include "ia_css_types.h"
  16 #include "sh_css_defs.h"
  17 #include "ia_css_debug.h"
  18 #include "sh_css_frac.h"
  19
  20 #include "ia_css_bnr.host.h"
  21
  22 void
  23 ia_css_bnr_encode(
  24         struct sh_css_isp_bnr_params *to,
  25         const struct ia_css_nr_config *from,
  26         unsigned size)
  27 {
  28         (void)size;
  29         /* BNR (Bayer Noise Reduction) */
  30         to->threshold_low =
  31             uDIGIT_FITTING(from->direction, 16, SH_CSS_BAYER_BITS);
  32         to->threshold_width_log2 = uFRACTION_BITS_FITTING(8);
  33         to->threshold_width =
  34             1 << to->threshold_width_log2;
  35         to->gain_all =
  36             uDIGIT_FITTING(from->bnr_gain, 16, SH_CSS_BNR_GAIN_SHIFT);
  37         to->gain_dir =
  38             uDIGIT_FITTING(from->bnr_gain, 16, SH_CSS_BNR_GAIN_SHIFT);
  39         to->clip = uDIGIT_FITTING((unsigned)16384, 16, SH_CSS_BAYER_BITS);
  40 }
  41
  42 void
  43 ia_css_bnr_dump(
  44         const struct sh_css_isp_bnr_params *bnr,
  45         unsigned level)
  46 {
  47         if (!bnr) return;
  48         ia_css_debug_dtrace(level, "Bayer Noise Reduction:\n");
  49         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  50                         "bnr_gain_all", bnr->gain_all);
  51         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  52                         "bnr_gain_dir", bnr->gain_dir);
  53         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  54                         "bnr_threshold_low",
  55                         bnr->threshold_low);
  56         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  57                         "bnr_threshold_width_log2",
  58                         bnr->threshold_width_log2);
  59         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  60                         "bnr_threshold_width",
  61                         bnr->threshold_width);
  62         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  63                         "bnr_clip", bnr->clip);
  64 }