initrd/scripts/0-auto-detect

   1 #
   2 # By Chih-Wei Huang <cwhuang@linux.org.tw>
   3 # Last updated 2012/07/10
   4 #
   5 # License: GNU Public License
   6 # We explicitely grant the right to use the scripts
   7 # with Android-x86 project.
   8 #
   9
  10 # An auto detect function provided by kinneko
  11 auto_detect()
  12 {
  13         tmp=/tmp/dev2mod
  14         echo 'dev2mod() { while read dev; do case $dev in' > $tmp
  15         sort -r /lib/modules/`uname -r`/modules.alias | \
  16                 sed -n 's/^alias  *\([^ ]*\)  *\(.*\)/\1)modprobe \2;;/p' >> $tmp
  17         echo 'esac; done; }' >> $tmp
  18         source $tmp
  19         cat /sys/bus/*/devices/*/modalias | dev2mod
  20         cat /sys/devices/virtual/wmi/*/modalias | dev2mod
  21 }
  22
  23 load_uvesafb()
  24 {
  25         [ -x /sbin/v86d ] || ln -s ../android/sbin/v86d /sbin
  26         [ -c /dev/fb0 ] || modprobe uvesafb mode_option=${UVESA_MODE:-800x600}-16 ${UVESA_OPTION:-mtrr=3 scroll=redraw}
  27         if [ -z "$HWACCEL" ]; then
  28                 case "`cat /proc/fb`" in
  29                         *inteldrmfb|*radeondrmfb)
  30                                 ;;
  31                         *)
  32                                 export HWACCEL=0
  33                                 ;;
  34                 esac
  35         fi
  36 }
  37
  38 find_network_dev_name()
  39 {
  40         INITRC=init.rc
  41         DHCPCD="/system/bin/dhcpcd -o domain_name_servers"
  42         rmline=`grep -n "#REMOVE FROM HERE" $INITRC | cut -d':' -f1`
  43         rmline=`expr $rmline + 1`
  44         sed -i -e "$rmline,\$d" $INITRC
  45         for netdev in `ls /sys/class/net`; do
  46                 case "$netdev" in
  47                         lo|ip6tnl*|sit*|tun*|eth0|wlan0|wmaster*)
  48                                 ;;
  49                         *)
  50                                 echo -e "\nservice dhcpcd_$netdev $DHCPCD -ABDKL\n    class main\n    disabled\n    oneshot\n" >> $INITRC
  51                                 echo -e "service iprenew_$netdev $DHCPCD -n\n    class main\n    disabled\n    oneshot" >> $INITRC
  52                                 ;;
  53                 esac
  54         done
  55 }
  56
  57 load_modules()
  58 {
  59         if [ -n "$FOUND" ]; then
  60                 [ -n "$PREDEV" ] && modprobe $PREDEV
  61                 [ -n "$FB0DEV" -a -z "$UVESA_MODE" ] && modprobe $FB0DEV
  62                 [ -n "$LANDEV" ] && modprobe $LANDEV
  63                 [ -n "$WIFDEV" ] && modprobe $WIFDEV
  64                 [ -n "$SNDDEV" ] && modprobe $SNDDEV
  65                 [ -n "$CAMDEV" ] && modprobe $CAMDEV
  66         else
  67                 auto_detect
  68         fi
  69
  70         # bluetooth modules
  71         EXTMOD="$EXTMOD bnep rfcomm sco btusb"
  72         # 3G modules
  73         EXTMOD="$EXTMOD cdc-acm option pppoe ppp-async ppp-deflate bsd-comp"
  74         for m in $EXTMOD; do
  75                 modprobe $m
  76         done
  77
  78         [ -c /dev/video0 ] || modprobe vivi
  79         [ -d /proc/asound/card0 ] || modprobe snd-dummy
  80         load_uvesafb
  81 }