initrd/scripts/0-auto-detect

   1 #
   2 # By Chih-Wei Huang <cwhuang@linux.org.tw>
   3 # Last updated 2009/12/10
   4 #
   5 # License: GNU Public License
   6 # We explicitely grant the right to use the scripts
   7 # with Android-x86 project.
   8 #
   9
  10 error()
  11 {
  12         echo $*
  13         return 1
  14 }
  15
  16 # An auto detect function provided by kinneko
  17 auto_detect()
  18 {
  19         tmp=/tmp/dev2mod
  20         echo 'dev2mod() { while read dev; do case $dev in' > $tmp
  21         sort -r /lib/modules/`uname -r`/modules.alias | \
  22                 sed -n 's/^alias  *\([^ ]*\)  *\(.*\)/\1)modprobe \2;;/p' >> $tmp
  23         echo 'esac; done; }' >> $tmp
  24         source $tmp
  25         cat /sys/bus/*/devices/*/modalias | dev2mod
  26 }
  27
  28 find_network_dev_name()
  29 {
  30         wififound=0
  31         rmline=`grep -n "#REMOVE FROM HERE" init.rc|cut -d':' -f1`
  32         rmline=`expr $rmline + 1`
  33         sed -i -e "$rmline,\$d" init.rc
  34         dhcpcdopts="-o domain_name_servers -BKL"
  35         for netdev in `ls /sys/class/net`; do
  36                 if [ $netdev = "lo" -o $netdev = "wmaster0" ]; then
  37                         continue
  38                 fi
  39                 w=/sys/class/net/$netdev
  40                 if [ -d $w/wireless -o -d $w/phy80211 ]; then
  41                         if [ $wififound -eq 0 ]; then
  42                                 sed -i "s|\(^ *service wpa_supplicant .*\)\(-i.*\)\( -c.*$\)|\1-i $netdev\3|g" init.rc
  43                                 wififound=1
  44                         fi
  45                 fi
  46                 echo "service dhcpcd$netdev /system/bin/dhcpcd $dhcpcdopts $netdev" >> init.rc
  47                 echo -e "   group system dhcp\n   disabled\n   oneshot\n" >> init.rc
  48         done
  49 }
  50
  51 load_modules()
  52 {
  53         if [ -n "$FOUND" ]; then
  54                 BTDEV="bnep rfcomm sco btusb"
  55                 for m in $PREDEV $EXTMOD $BTDEV; do
  56                         modprobe $m
  57                 done
  58                 [ -n "$FB0DEV" -a -z "$UVESA_MODE" ] && modprobe $FB0DEV
  59                 [ -n "$LANDEV" ] && modprobe $LANDEV
  60                 [ -n "$WIFDEV" ] && modprobe $WIFDEV
  61                 [ -n "$SNDDEV" ] && modprobe $SNDDEV
  62                 [ -n "$CAMDEV" ] && modprobe $CAMDEV
  63         else
  64                 auto_detect
  65         fi
  66
  67         mdev -s
  68         [ -c /dev/video0 ] || modprobe vivi
  69         [ -d /proc/asound/card0 ] || modprobe snd-dummy
  70         [ -c /dev/fb0 ] || modprobe uvesafb mode_option=${UVESA_MODE:-800x600}-16 ${UVESA_OPTION:-mtrr=3 scroll=redraw}
  71         find_network_dev_name
  72 #       find_wifi_dev_name
  73 }