drivers/staging/media/atomisp/pci/atomisp2/css2400/sh_css_stream_format.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 "sh_css_stream_format.h"
  16 #include <ia_css_stream_format.h>
  17
  18 unsigned int sh_css_stream_format_2_bits_per_subpixel(
  19                 enum ia_css_stream_format format)
  20 {
  21         unsigned int rval;
  22
  23         switch (format) {
  24         case IA_CSS_STREAM_FORMAT_RGB_444:
  25                 rval = 4;
  26                 break;
  27         case IA_CSS_STREAM_FORMAT_RGB_555:
  28                 rval = 5;
  29                 break;
  30         case IA_CSS_STREAM_FORMAT_RGB_565:
  31         case IA_CSS_STREAM_FORMAT_RGB_666:
  32         case IA_CSS_STREAM_FORMAT_RAW_6:
  33                 rval = 6;
  34                 break;
  35         case IA_CSS_STREAM_FORMAT_RAW_7:
  36                 rval = 7;
  37                 break;
  38         case IA_CSS_STREAM_FORMAT_YUV420_8_LEGACY:
  39         case IA_CSS_STREAM_FORMAT_YUV420_8:
  40         case IA_CSS_STREAM_FORMAT_YUV422_8:
  41         case IA_CSS_STREAM_FORMAT_RGB_888:
  42         case IA_CSS_STREAM_FORMAT_RAW_8:
  43         case IA_CSS_STREAM_FORMAT_BINARY_8:
  44         case IA_CSS_STREAM_FORMAT_USER_DEF1:
  45         case IA_CSS_STREAM_FORMAT_USER_DEF2:
  46         case IA_CSS_STREAM_FORMAT_USER_DEF3:
  47         case IA_CSS_STREAM_FORMAT_USER_DEF4:
  48         case IA_CSS_STREAM_FORMAT_USER_DEF5:
  49         case IA_CSS_STREAM_FORMAT_USER_DEF6:
  50         case IA_CSS_STREAM_FORMAT_USER_DEF7:
  51         case IA_CSS_STREAM_FORMAT_USER_DEF8:
  52                 rval = 8;
  53                 break;
  54         case IA_CSS_STREAM_FORMAT_YUV420_10:
  55         case IA_CSS_STREAM_FORMAT_YUV422_10:
  56         case IA_CSS_STREAM_FORMAT_RAW_10:
  57                 rval = 10;
  58                 break;
  59         case IA_CSS_STREAM_FORMAT_RAW_12:
  60                 rval = 12;
  61                 break;
  62         case IA_CSS_STREAM_FORMAT_RAW_14:
  63                 rval = 14;
  64                 break;
  65         case IA_CSS_STREAM_FORMAT_RAW_16:
  66         case IA_CSS_STREAM_FORMAT_YUV420_16:
  67         case IA_CSS_STREAM_FORMAT_YUV422_16:
  68                 rval = 16;
  69                 break;
  70         default:
  71                 rval = 0;
  72                 break;
  73         }
  74
  75         return rval;
  76 }