initrd/scripts/0-auto-detect

   1 #
   2 # By Chih-Wei Huang <cwhuang@linux.org.tw>
   3 # Last updated 2009/08/14
   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 $tmp
  19         cat /sys/bus/*/devices/*/modalias | dev2mod
  20 }
  21
  22 # FB0DEV: framebuffer driver
  23 # LANDEV: lan driver
  24 # WIFDEV: wifi driver
  25 # SNDDEV: sound driver
  26 # CAMDEV: camera driver
  27 # PREDEV: any module the drivers depend on but can't be loaded automatically
  28 # EXTMOD: any other module
  29
  30 asus_info()
  31 {
  32         # common for all Eee PC models
  33         [ -c /dev/fb0 ] || FB0DEV=i915
  34         EXTMOD=eeepc-laptop
  35         PREDEV=snd-hda-codec-realtek
  36         SNDDEV=snd-hda-intel
  37         CAMDEV=uvcvideo
  38
  39         board=`cat /sys/class/dmi/id/product_name`
  40         # assume Eee PC models
  41         case "$board" in
  42                 700|701|702|900)
  43                         LANDEV=atl2
  44                         WIFDEV=ath5k
  45                         ;;
  46                 701SD|900SD)
  47                         LANDEV=atl1e
  48                         WIFDEV=rtl8187se
  49                         ;;
  50                 900A|904HD|1000HD)
  51                         LANDEV=atl1e
  52                         WIFDEV=ath5k
  53                         ;;
  54                 901|1000|1000H)
  55                         LANDEV=atl1e
  56                         WIFDEV=rt2860sta
  57                         ;;
  58                 ET1602*)
  59                         FB0DEV=
  60                         UVESA_MODE=${UVESA_MODE:-1366x768}
  61                         LANDEV=r8169
  62                         WIFDEV=rt2860sta
  63                         ;;
  64                 T91)
  65                         FB0DEV=
  66                         UVESA_MODE=${UVESA_MODE:-1024x600}
  67                         LANDEV=atl1e
  68                         WIFDEV=ath9k
  69                         ;;
  70                 A6VM*)
  71                         EXTMOD=asus-laptop
  72                         LANDEV=skge
  73                         WIFDEV=ipw2200
  74                         ;;
  75                 *)
  76                         LANDEV=atl1e
  77                         WIFDEV=ath9k
  78                         ;;
  79         esac
  80 }
  81
  82 samsung_info()
  83 {
  84         [ -c /dev/fb0 ] || FB0DEV=i915
  85         EXTMOD=hso
  86         PREDEV=snd-hda-codec-realtek mii rfkill
  87         SNDDEV=snd-hda-intel
  88         CAMDEV=gspca_vc032x
  89         WIFDEV=ath5k
  90         LANDEV=b44
  91 }
  92
  93 vbox_info()
  94 {
  95         LANDEV=pcnet32
  96         SNDDEV="snd-sb16 isapnp=0 irq=5"
  97         VESA=1
  98 }
  99
 100 qemu_info()
 101 {
 102         LANDEV=8139cp
 103         SNDDEV=snd-ens1370
 104 }
 105
 106 vmware_info()
 107 {
 108         LANDEV=pcnet32
 109         SNDDEV=snd-ens1371
 110 }
 111
 112 detect_hardware()
 113 {
 114         [ "$AUTO" = "1" ] && return
 115         case "`cat /sys/class/dmi/id/uevent`" in
 116                 *ASUSTeK*)
 117                         get_info=asus_info
 118                         ;;
 119                 *SAMSUNG*)
 120                         get_info=samsung_info
 121                         ;;
 122                 *Acer*AO*)
 123                         get_info=ao_info
 124                         ;;
 125                 *VirtualBox*)
 126                         get_info=vbox_info
 127                         ;;
 128                 *QEMU*)
 129                         get_info=qemu_info
 130                         ;;
 131                 *VMware*)
 132                         get_info=vmware_info
 133                         ;;
 134                 *)
 135                         ;;
 136         esac
 137         [ -n "$get_info" ] && $get_info && FOUND=1
 138 }
 139
 140 find_network_dev_name()
 141 {
 142         wififound=0
 143         rmline=`grep -n "#REMOVE FROM HERE" init.rc|cut -d':' -f1`
 144         rmline=`expr $rmline + 1`
 145         sed -i -e "$rmline,\$d" init.rc
 146         for netdev in `ls /sys/class/net`; do
 147                 if [ $netdev = "lo" -o $netdev = "wmaster0" ]; then
 148                         continue
 149                 fi
 150                 w=/sys/class/net/$netdev
 151                 if [ -d $w/wireless -o -d $w/phy80211 ]; then
 152                         if [ $wififound -eq 0 ]; then
 153                                 sed -i "s|\(^ *service wpa_supplicant .*\)\(-i.*\)\( -c.*$\)|\1-i $netdev\3|g" init.rc
 154                                 wififound=1
 155                         fi
 156                 fi
 157                 echo "service dhcpcd$netdev /system/bin/dhcpcd $netdev" >> init.rc
 158                 echo "   group system dhcp" >> init.rc
 159                 echo "   disabled" >>init.rc
 160                 echo "   oneshot" >> init.rc
 161         done
 162 }
 163
 164 load_modules()
 165 {
 166         if [ -n "$FOUND" ]; then
 167                 BTDEV="bnep rfcomm sco btusb"
 168                 for m in $PREDEV $EXTMOD $BTDEV; do
 169                         modprobe $m
 170                 done
 171                 [ -n "$FB0DEV" -a -z "$UVESA_MODE" ] && modprobe $FB0DEV
 172                 [ -n "$LANDEV" ] && modprobe $LANDEV
 173                 [ -n "$WIFDEV" ] && modprobe $WIFDEV
 174                 [ -n "$SNDDEV" ] && modprobe $SNDDEV
 175                 [ -n "$CAMDEV" ] && modprobe $CAMDEV
 176         else
 177                 auto_detect
 178         fi
 179
 180         mdev -s
 181         [ -c /dev/video0 ] || modprobe vivi
 182         [ -d /proc/asound/card0 ] || modprobe snd-dummy
 183         [ -c /dev/fb0 ] || modprobe uvesafb mode_option=${UVESA_MODE:-800x600}-16 ${UVESA_OPTION:-mtrr=3 scroll=redraw}
 184         find_network_dev_name
 185 #       find_wifi_dev_name
 186 }