drivers/media/common/uvc.c

   1 // SPDX-License-Identifier: GPL-2.0-or-later
   2
   3 #include <linux/kernel.h>
   4 #include <linux/module.h>
   5 #include <linux/string.h>
   6 #include <linux/types.h>
   7 #include <linux/usb/uvc.h>
   8 #include <linux/videodev2.h>
   9
  10 /* ------------------------------------------------------------------------
  11  * Video formats
  12  */
  13
  14 static const struct uvc_format_desc uvc_fmts[] = {
  15         {
  16                 .guid           = UVC_GUID_FORMAT_YUY2,
  17                 .fcc            = V4L2_PIX_FMT_YUYV,
  18         },
  19         {
  20                 .guid           = UVC_GUID_FORMAT_YUY2_ISIGHT,
  21                 .fcc            = V4L2_PIX_FMT_YUYV,
  22         },
  23         {
  24                 .guid           = UVC_GUID_FORMAT_NV12,
  25                 .fcc            = V4L2_PIX_FMT_NV12,
  26         },
  27         {
  28                 .guid           = UVC_GUID_FORMAT_MJPEG,
  29                 .fcc            = V4L2_PIX_FMT_MJPEG,
  30         },
  31         {
  32                 .guid           = UVC_GUID_FORMAT_YV12,
  33                 .fcc            = V4L2_PIX_FMT_YVU420,
  34         },
  35         {
  36                 .guid           = UVC_GUID_FORMAT_I420,
  37                 .fcc            = V4L2_PIX_FMT_YUV420,
  38         },
  39         {
  40                 .guid           = UVC_GUID_FORMAT_M420,
  41                 .fcc            = V4L2_PIX_FMT_M420,
  42         },
  43         {
  44                 .guid           = UVC_GUID_FORMAT_UYVY,
  45                 .fcc            = V4L2_PIX_FMT_UYVY,
  46         },
  47         {
  48                 .guid           = UVC_GUID_FORMAT_Y800,
  49                 .fcc            = V4L2_PIX_FMT_GREY,
  50         },
  51         {
  52                 .guid           = UVC_GUID_FORMAT_Y8,
  53                 .fcc            = V4L2_PIX_FMT_GREY,
  54         },
  55         {
  56                 .guid           = UVC_GUID_FORMAT_D3DFMT_L8,
  57                 .fcc            = V4L2_PIX_FMT_GREY,
  58         },
  59         {
  60                 .guid           = UVC_GUID_FORMAT_KSMEDIA_L8_IR,
  61                 .fcc            = V4L2_PIX_FMT_GREY,
  62         },
  63         {
  64                 .guid           = UVC_GUID_FORMAT_Y10,
  65                 .fcc            = V4L2_PIX_FMT_Y10,
  66         },
  67         {
  68                 .guid           = UVC_GUID_FORMAT_Y12,
  69                 .fcc            = V4L2_PIX_FMT_Y12,
  70         },
  71         {
  72                 .guid           = UVC_GUID_FORMAT_Y16,
  73                 .fcc            = V4L2_PIX_FMT_Y16,
  74         },
  75         {
  76                 .guid           = UVC_GUID_FORMAT_BY8,
  77                 .fcc            = V4L2_PIX_FMT_SBGGR8,
  78         },
  79         {
  80                 .guid           = UVC_GUID_FORMAT_BA81,
  81                 .fcc            = V4L2_PIX_FMT_SBGGR8,
  82         },
  83         {
  84                 .guid           = UVC_GUID_FORMAT_GBRG,
  85                 .fcc            = V4L2_PIX_FMT_SGBRG8,
  86         },
  87         {
  88                 .guid           = UVC_GUID_FORMAT_GRBG,
  89                 .fcc            = V4L2_PIX_FMT_SGRBG8,
  90         },
  91         {
  92                 .guid           = UVC_GUID_FORMAT_RGGB,
  93                 .fcc            = V4L2_PIX_FMT_SRGGB8,
  94         },
  95         {
  96                 .guid           = UVC_GUID_FORMAT_RGBP,
  97                 .fcc            = V4L2_PIX_FMT_RGB565,
  98         },
  99         {
 100                 .guid           = UVC_GUID_FORMAT_BGR3,
 101                 .fcc            = V4L2_PIX_FMT_BGR24,
 102         },
 103         {
 104                 .guid           = UVC_GUID_FORMAT_BGR4,
 105                 .fcc            = V4L2_PIX_FMT_XBGR32,
 106         },
 107         {
 108                 .guid           = UVC_GUID_FORMAT_H264,
 109                 .fcc            = V4L2_PIX_FMT_H264,
 110         },
 111         {
 112                 .guid           = UVC_GUID_FORMAT_H265,
 113                 .fcc            = V4L2_PIX_FMT_HEVC,
 114         },
 115         {
 116                 .guid           = UVC_GUID_FORMAT_Y8I,
 117                 .fcc            = V4L2_PIX_FMT_Y8I,
 118         },
 119         {
 120                 .guid           = UVC_GUID_FORMAT_Y12I,
 121                 .fcc            = V4L2_PIX_FMT_Y12I,
 122         },
 123         {
 124                 .guid           = UVC_GUID_FORMAT_Z16,
 125                 .fcc            = V4L2_PIX_FMT_Z16,
 126         },
 127         {
 128                 .guid           = UVC_GUID_FORMAT_RW10,
 129                 .fcc            = V4L2_PIX_FMT_SRGGB10P,
 130         },
 131         {
 132                 .guid           = UVC_GUID_FORMAT_BG16,
 133                 .fcc            = V4L2_PIX_FMT_SBGGR16,
 134         },
 135         {
 136                 .guid           = UVC_GUID_FORMAT_GB16,
 137                 .fcc            = V4L2_PIX_FMT_SGBRG16,
 138         },
 139         {
 140                 .guid           = UVC_GUID_FORMAT_RG16,
 141                 .fcc            = V4L2_PIX_FMT_SRGGB16,
 142         },
 143         {
 144                 .guid           = UVC_GUID_FORMAT_GR16,
 145                 .fcc            = V4L2_PIX_FMT_SGRBG16,
 146         },
 147         {
 148                 .guid           = UVC_GUID_FORMAT_INVZ,
 149                 .fcc            = V4L2_PIX_FMT_Z16,
 150         },
 151         {
 152                 .guid           = UVC_GUID_FORMAT_INVI,
 153                 .fcc            = V4L2_PIX_FMT_Y10,
 154         },
 155         {
 156                 .guid           = UVC_GUID_FORMAT_INZI,
 157                 .fcc            = V4L2_PIX_FMT_INZI,
 158         },
 159         {
 160                 .guid           = UVC_GUID_FORMAT_CNF4,
 161                 .fcc            = V4L2_PIX_FMT_CNF4,
 162         },
 163         {
 164                 .guid           = UVC_GUID_FORMAT_HEVC,
 165                 .fcc            = V4L2_PIX_FMT_HEVC,
 166         },
 167 };
 168
 169 const struct uvc_format_desc *uvc_format_by_guid(const u8 guid[16])
 170 {
 171         unsigned int len = ARRAY_SIZE(uvc_fmts);
 172         unsigned int i;
 173
 174         for (i = 0; i < len; ++i) {
 175                 if (memcmp(guid, uvc_fmts[i].guid, 16) == 0)
 176                         return &uvc_fmts[i];
 177         }
 178
 179         return NULL;
 180 }
 181 EXPORT_SYMBOL_GPL(uvc_format_by_guid);
 182
 183 MODULE_DESCRIPTION("USB Video Class common code");
 184 MODULE_LICENSE("GPL");