fwcutter/debian/firmware-b43-installer.postinst

   1 #!/bin/sh
   2
   3 set -e
   4
   5 . /usr/share/debconf/confmodule
   6
   7 tmp=`mktemp -q -d`
   8
   9 latest_firmware ()
  10 {
  11 cd $tmp
  12 export FIRMWARE_INSTALL_DIR="/lib/firmware"
  13
  14 # use apt proxy
  15 APT_PROXIES=$(apt-config shell \
  16 http_proxy Acquire::http::Proxy \
  17 https_proxy Acquire::https::Proxy \
  18 ftp_proxy Acquire::ftp::Proxy \
  19 )
  20
  21 if [ -n "$APT_PROXIES" ]; then
  22         eval export $APT_PROXIES
  23 fi
  24
  25 wget --timeout=60 http://www.lwfinger.com/b43-firmware/broadcom-wl-5.100.138.tar.bz2
  26 if [ $? -ne 0 ]; then
  27         echo "Some problem occurred during the firmware download. Please check your internet connection."
  28         exit 0
  29     else
  30         if [ -d /lib/firmware/b43 ]; then
  31            echo "Deleting old extracted firmware..."
  32            rm -rf /lib/firmware/b43
  33         fi
  34 fi
  35 tar xvjf broadcom-wl-5.100.138.tar.bz2
  36 cd broadcom-wl-5.100.138/linux
  37 b43-fwcutter -w "$FIRMWARE_INSTALL_DIR" wl_apsta.o
  38 rm -rf $tmp
  39 }
  40
  41 # check environment
  42 if [ "$(stat -c %d/%i /)" != "$(stat -Lc %d/%i /proc/1/root 2>/dev/null)" ];
  43  then
  44     echo "A chroot environment has been detected."
  45     echo "Remember this firmware needs kernel >= 2.6.25."
  46     latest_firmware
  47     exit 0
  48  else
  49     echo "No chroot environment found. Starting normal installation"
  50 fi
  51
  52
  53
  54
  55 # check kernel version
  56 if dpkg --compare-versions 2.6.25 gt `uname -r | cut -d- -f1`; then
  57         echo "Kernel too old. This firmware needs >= 2.6.25!."
  58         echo "Aborting!"
  59         exit 0
  60 fi
  61
  62 # install firmware unconditional if the corresponding debconf value is true
  63 # this is usefull for live-systems or similar systems that should work on
  64 # changing hardware
  65 db_get b43-fwcutter/install-unconditional
  66 if [ "$RET" = "true" ] ; then
  67     latest_firmware
  68     exit 0
  69 fi
  70
  71 # Fix for BCM4306/3 [14e4:4320] (rev 03)
  72 chip=`lspci -n | grep -o "14e4:4320 (rev 03)"` || true
  73 if [ "$chip" ] ; then
  74    echo "Your card is BCM4306/3 [14e4:4320] (rev 03), firwmare 5.100.138 will be used"
  75    latest_firmware
  76    exit 0
  77 fi
  78
  79 # Fix for BCM4306/3 [14e4:4324] (rev 03)
  80 chip=`lspci -n | grep -o "14e4:4324 (rev 03)"` || true
  81 if [ "$chip" ] ; then
  82    echo "Your card is BCM4306/3 [14e4:4324] (rev 03), firwmare 5.100.138 will be used"
  83    latest_firmware
  84    exit 0
  85 fi
  86
  87 # check chip
  88 pci=`lspci -n | grep -o "14e4:[1234567890abcdef]\+"` || true
  89
  90 if [ -n "$pci" ]; then
  91         for device in $pci; do
  92                 device_id=`echo $device | cut -d: -f2`
  93                 case $device_id in
  94                 4301 | 4306 | 4320 |4324 | 4325)
  95                         legacy=1
  96                 ;;
  97                 4307 | 4311 | 4312 | 4315 | 4318 | 4319 | 4321 | 4328 | 4329 | 432b | 432c | 4331 | 4353 | 4357 | 5354)
  98                         latest=1
  99                 ;;
 100                 4322 | 4358 | 4365 | 4727 | a8d8)
 101                         # b43 upstream says 3.6+ for a8d8
 102                         unsupported="$unsupported $device_id"
 103                 ;;
 104                 0576 | 4313 | 432a | 432d | 4358 | 4359 | 435a | a99d)
 105                         nottested=1
 106                 ;;
 107                 *)
 108                 ;;
 109                 esac
 110         done
 111 fi
 112
 113 if [ "$legacy" ]; then
 114         echo "An unsupported BCM4301, BCM4306 or BCM4306/2 device was found."
 115         echo "Use b43legacy firmware (firmware-b43legacy-installer package) instead."
 116         echo "Aborting."
 117         exit 0
 118 elif [ "$unsupported" ]; then
 119         echo -n "Unsupported device(s) found: PCI id "
 120         for device_id in $unsupported; do echo -n "14e4:$device_id "; done
 121         echo
 122         echo "Aborting."
 123         exit 0
 124 elif [ "$nottested" ]; then
 125         echo "This card is actually not tested. Please install the driver manually."
 126         exit 0
 127 elif [ "$latest" ]; then
 128         echo "This card work with newer 5.100.138 firmware. Trying to install it."
 129         latest_firmware
 130         exit 0
 131 fi
 132
 133 #DEBHELPER#