drivers/staging/media/atomisp/pci/atomisp2/css2400/isp/kernels/wb/wb_1.0/ia_css_wb.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 #ifndef IA_CSS_NO_DEBUG
  18 #include "ia_css_debug.h"
  19 #endif
  20 #include "sh_css_frac.h"
  21
  22 #include "ia_css_wb.host.h"
  23
  24 const struct ia_css_wb_config default_wb_config = {
  25         1,
  26         32768,
  27         32768,
  28         32768,
  29         32768
  30 };
  31
  32 void
  33 ia_css_wb_encode(
  34         struct sh_css_isp_wb_params *to,
  35         const struct ia_css_wb_config *from,
  36         unsigned size)
  37 {
  38         (void)size;
  39         to->gain_shift =
  40             uISP_REG_BIT - from->integer_bits;
  41         to->gain_gr =
  42             uDIGIT_FITTING(from->gr, 16 - from->integer_bits,
  43                            to->gain_shift);
  44         to->gain_r =
  45             uDIGIT_FITTING(from->r, 16 - from->integer_bits,
  46                            to->gain_shift);
  47         to->gain_b =
  48             uDIGIT_FITTING(from->b, 16 - from->integer_bits,
  49                            to->gain_shift);
  50         to->gain_gb =
  51             uDIGIT_FITTING(from->gb, 16 - from->integer_bits,
  52                            to->gain_shift);
  53 }
  54
  55 #ifndef IA_CSS_NO_DEBUG
  56 void
  57 ia_css_wb_dump(
  58         const struct sh_css_isp_wb_params *wb,
  59         unsigned level)
  60 {
  61         if (!wb) return;
  62         ia_css_debug_dtrace(level, "White Balance:\n");
  63         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  64                         "wb_gain_shift", wb->gain_shift);
  65         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  66                         "wb_gain_gr", wb->gain_gr);
  67         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  68                         "wb_gain_r", wb->gain_r);
  69         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  70                         "wb_gain_b", wb->gain_b);
  71         ia_css_debug_dtrace(level, "\t%-32s = %d\n",
  72                         "wb_gain_gb", wb->gain_gb);
  73 }
  74
  75 void
  76 ia_css_wb_debug_dtrace(
  77         const struct ia_css_wb_config *config,
  78         unsigned level)
  79 {
  80         ia_css_debug_dtrace(level,
  81                 "config.integer_bits=%d, "
  82                 "config.gr=%d, config.r=%d, "
  83                 "config.b=%d, config.gb=%d\n",
  84                 config->integer_bits,
  85                 config->gr, config->r,
  86                 config->b, config->gb);
  87 }
  88 #endif
  89