recipes/pandora-system/wl1251-modules/rc.wl1251

   1 #!/bin/sh
   2 DESC="WL1251 MAC80211 Wireless LAN driver"
   3 NAME="wl1251"
   4
   5 sysfs_path="/sys/bus/mmc/devices/mmc2:0001/mmc2:0001:1"
   6 ps_rate_threshold=30000
   7 use_fw_ps=Y
   8
   9 if [ -f /etc/pandora/conf/wl1251 ]; then
  10         . /etc/pandora/conf/wl1251
  11 fi
  12
  13 d_stop() {
  14         if `grep -q wl1251 /proc/modules` ; then
  15                 ifconfig wlan0 down
  16                 rmmod board_omap3pandora_wifi wl1251_sdio wl1251 2> /dev/null
  17         fi
  18 }
  19
  20 d_start() {
  21         wl1251_args=""
  22         if modinfo wl1251 2> /dev/null | grep -q '\<use_fw_ps\>'; then
  23                 wl1251_args="use_fw_ps=$use_fw_ps"
  24         fi
  25         modprobe wl1251 $wl1251_args
  26         modprobe wl1251_sdio
  27         # this does not exist on newer kernels
  28         modprobe board-omap3pandora-wifi 2> /dev/null
  29
  30         # find our phy index, they change every time driver module is reinserted
  31         # assume our interface is wlan0
  32         phy_idx=0
  33         for a in `seq 20` ; do
  34                 if [ -e /sys/class/net/wlan0 ] ; then
  35                         phy_idx=$(cat /sys/class/net/wlan0/phy80211/index)
  36                         break
  37                 else
  38                         sleep 0.2
  39                 fi
  40         done
  41
  42         # restore phy related LED triggers (they come from mac80211.ko)
  43         if [ -e /sys/class/leds/ ] ; then
  44                 for led in /sys/class/leds/* ; do
  45                         trigger=$(grep "$(basename $led)" /etc/default/leds | grep phy | \
  46                                         awk '{print $2}' | sed -e 's/.*phy[0-9]*\(.*\)/\1/')
  47                         if [ "x$trigger" != "x" ] ; then
  48                                 echo "phy${phy_idx}$trigger" > "$led/trigger"
  49                         fi
  50                 done
  51         fi
  52
  53         # some driver configuration
  54         if [ -d "$sysfs_path" ]; then
  55                 test -n "$ps_rate_threshold" && echo "$ps_rate_threshold" > $sysfs_path/ps_rate_threshold
  56                 test -n "$long_doze_mode" && echo "$long_doze_mode" > $sysfs_path/long_doze_mode
  57         fi
  58 }
  59
  60 case "$1" in
  61   start)
  62         echo -n "Starting $DESC: $NAME"
  63         d_start &
  64         echo "."
  65         ;;
  66   stop)
  67         echo -n "Stopping $DESC: $NAME"
  68         d_stop
  69         echo "."
  70         ;;
  71   restart|force-reload)
  72         echo -n "Restarting $DESC: $NAME"
  73         d_stop
  74         sleep 1
  75         d_start
  76         echo "."
  77         ;;
  78   *)
  79         echo "Usage: $0 {start|stop|restart|force-reload}" >&2
  80         exit 1
  81         ;;
  82 esac
  83
  84 exit 0