drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/ynr/ynr_1.0/ia_css_ynr.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 "bnr/bnr_1.0/ia_css_bnr.host.h"
  21 #include "ia_css_ynr.host.h"
  22
  23 const struct ia_css_nr_config default_nr_config = {
  24         16384,
  25         8192,
  26         1280,
  27         0,
  28         0
  29 };
  30
  31 const struct ia_css_ee_config default_ee_config = {
  32         8192,
  33         128,
  34         2048
  35 };
  36
  37 void
  38 ia_css_nr_encode(
  39         struct sh_css_isp_ynr_params *to,
  40         const struct ia_css_nr_config *from,
  41         unsigned size)
  42 {
  43         (void)size;
  44         /* YNR (Y Noise Reduction) */
  45         to->threshold =
  46                 uDIGIT_FITTING((unsigned)8192, 16, SH_CSS_BAYER_BITS);
  47         to->gain_all =
  48             uDIGIT_FITTING(from->ynr_gain, 16, SH_CSS_YNR_GAIN_SHIFT);
  49         to->gain_dir =
  50             uDIGIT_FITTING(from->ynr_gain, 16, SH_CSS_YNR_GAIN_SHIFT);
  51         to->threshold_cb =
  52             uDIGIT_FITTING(from->threshold_cb, 16, SH_CSS_BAYER_BITS);
  53         to->threshold_cr =
  54             uDIGIT_FITTING(from->threshold_cr, 16, SH_CSS_BAYER_BITS);
  55 }
  56
  57 void
  58 ia_css_yee_encode(
  59         struct sh_css_isp_yee_params *to,
  60         const struct ia_css_yee_config *from,
  61         unsigned size)
  62 {
  63         int asiWk1 = (int) from->ee.gain;
  64         int asiWk2 = asiWk1 / 8;
  65         int asiWk3 = asiWk1 / 4;
  66
  67         (void)size;
  68         /* YEE (Y Edge Enhancement) */
  69         to->dirthreshold_s =
  70             min((uDIGIT_FITTING(from->nr.direction, 16, SH_CSS_BAYER_BITS)
  71                                     << 1),
  72                 SH_CSS_BAYER_MAXVAL);
  73         to->dirthreshold_g =
  74             min((uDIGIT_FITTING(from->nr.direction, 16, SH_CSS_BAYER_BITS)
  75                                     << 4),
  76                 SH_CSS_BAYER_MAXVAL);
  77         to->dirthreshold_width_log2 =
  78             uFRACTION_BITS_FITTING(8);
  79         to->dirthreshold_width =
  80             1 << to->dirthreshold_width_log2;
  81         to->detailgain =
  82             uDIGIT_FITTING(from->ee.detail_gain, 11,
  83                            SH_CSS_YEE_DETAIL_GAIN_SHIFT);
  84         to->coring_s =
  85             (uDIGIT_FITTING((unsigned)56, 16, SH_CSS_BAYER_BITS) *
  86              from->ee.threshold) >> 8;
  87         to->coring_g =
  88             (uDIGIT_FITTING((unsigned)224, 16, SH_CSS_BAYER_BITS) *
  89              from->ee.threshold) >> 8;
  90         /* 8; // *1.125 ->[s4.8] */
  91         to->scale_plus_s =
  92             (asiWk1 + asiWk2) >> (11 - SH_CSS_YEE_SCALE_SHIFT);
  93         /* 8; // ( * -.25)->[s4.8] */
  94         to->scale_plus_g =
  95             (0 - asiWk3) >> (11 - SH_CSS_YEE_SCALE_SHIFT);
  96         /* 8; // *0.875 ->[s4.8] */
  97         to->scale_minus_s =
  98             (asiWk1 - asiWk2) >> (11 - SH_CSS_YEE_SCALE_SHIFT);
  99         /* 8; // ( *.25 ) ->[s4.8] */
 100         to->scale_minus_g =
 101             (asiWk3) >> (11 - SH_CSS_YEE_SCALE_SHIFT);
 102         to->clip_plus_s =
 103             uDIGIT_FITTING((unsigned)32760, 16, SH_CSS_BAYER_BITS);
 104         to->clip_plus_g = 0;
 105         to->clip_minus_s =
 106             uDIGIT_FITTING((unsigned)504, 16, SH_CSS_BAYER_BITS);
 107         to->clip_minus_g =
 108             uDIGIT_FITTING((unsigned)32256, 16, SH_CSS_BAYER_BITS);
 109         to->Yclip = SH_CSS_BAYER_MAXVAL;
 110 }
 111
 112 void
 113 ia_css_nr_dump(
 114         const struct sh_css_isp_ynr_params *ynr,
 115         unsigned level)
 116 {
 117         if (!ynr) return;
 118         ia_css_debug_dtrace(level,
 119                 "Y Noise Reduction:\n");
 120         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 121                         "ynr_threshold", ynr->threshold);
 122         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 123                         "ynr_gain_all", ynr->gain_all);
 124         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 125                         "ynr_gain_dir", ynr->gain_dir);
 126         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 127                         "ynr_threshold_cb", ynr->threshold_cb);
 128         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 129                         "ynr_threshold_cr", ynr->threshold_cr);
 130 }
 131
 132 void
 133 ia_css_yee_dump(
 134         const struct sh_css_isp_yee_params *yee,
 135         unsigned level)
 136 {
 137         ia_css_debug_dtrace(level,
 138                 "Y Edge Enhancement:\n");
 139         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 140                         "ynryee_dirthreshold_s",
 141                         yee->dirthreshold_s);
 142         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 143                         "ynryee_dirthreshold_g",
 144                         yee->dirthreshold_g);
 145         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 146                         "ynryee_dirthreshold_width_log2",
 147                         yee->dirthreshold_width_log2);
 148         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 149                         "ynryee_dirthreshold_width",
 150                         yee->dirthreshold_width);
 151         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 152                         "yee_detailgain",
 153                         yee->detailgain);
 154         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 155                         "yee_coring_s",
 156                         yee->coring_s);
 157         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 158                         "yee_coring_g",
 159                         yee->coring_g);
 160         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 161                         "yee_scale_plus_s",
 162                         yee->scale_plus_s);
 163         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 164                         "yee_scale_plus_g",
 165                         yee->scale_plus_g);
 166         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 167                         "yee_scale_minus_s",
 168                         yee->scale_minus_s);
 169         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 170                         "yee_scale_minus_g",
 171                         yee->scale_minus_g);
 172         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 173                         "yee_clip_plus_s",
 174                         yee->clip_plus_s);
 175         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 176                         "yee_clip_plus_g",
 177                         yee->clip_plus_g);
 178         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 179                         "yee_clip_minus_s",
 180                         yee->clip_minus_s);
 181         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 182                         "yee_clip_minus_g",
 183                         yee->clip_minus_g);
 184         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
 185                         "ynryee_Yclip",
 186                         yee->Yclip);
 187 }
 188
 189 void
 190 ia_css_nr_debug_dtrace(
 191         const struct ia_css_nr_config *config,
 192         unsigned level)
 193 {
 194         ia_css_debug_dtrace(level,
 195                 "config.direction=%d, "
 196                 "config.bnr_gain=%d, config.ynr_gain=%d, "
 197                 "config.threshold_cb=%d, config.threshold_cr=%d\n",
 198                 config->direction,
 199                 config->bnr_gain, config->ynr_gain,
 200                 config->threshold_cb, config->threshold_cr);
 201 }
 202
 203 void
 204 ia_css_ee_debug_dtrace(
 205         const struct ia_css_ee_config *config,
 206         unsigned level)
 207 {
 208         ia_css_debug_dtrace(level,
 209                 "config.threshold=%d, config.gain=%d, config.detail_gain=%d\n",
 210                 config->threshold, config->gain, config->detail_gain);
 211 }
 212
 213 void
 214 ia_css_init_ynr_state(
 215         void/*struct sh_css_isp_ynr_vmem_state*/ *state,
 216         size_t size)
 217 {
 218         memset(state, 0, size);
 219 }