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#!/bin/bash
### BEGIN INIT INFO
# Provides: mts-io
# Default-Start: S
# Default-Stop:
# Short-Description: load the mts-io driver
# Description: mts-io driver initializes the Conduit hardware and
# provides user mode access through the driver to the
# Conduit features.
### END INIT INFO
((fail=0))
sysdir=/sys/devices/platform/mts-io
gpiodir=/sys/class/gpio
USBRST=${sysdir}/usbhub-reset
RST[0]="${sysdir}/mtq-reset"
RST[1]="${sysdir}/ap1-reset"
RST[2]="${sysdir}/ap2-reset"
RST[3]="${sysdir}/gnss-reset"
RST[4]="${sysdir}/secure-reset"
RST[5]="${sysdir}/eth-reset"
RS9113RST="${sysdir}/wifi-bt-reset"
USLPTIME=30000 # 30 milliseconds from Redpine Signals Reset Spec
WAIT="/bin/busybox usleep ${USLPTIME}"
reset_path() {
pin=$1
/usr/bin/logger -t "mts-io" -p info Reset $pin
if [[ -f ${pin} ]] ; then
if ! ( (echo 1 >${pin}) && (echo 0 >${pin}) && ${WAIT} && (echo 1 >${pin}) ) ; then
/usr/bin/logger -t "mts-io" -p error -s "Failed write to ${pin}"
fi
else
/usr/bin/logger -t "mts-io" -p error -s "${pin} does not exist"
return 1
fi
return 0
}
reset_array() {
((i=${#RST[@]}-1))
while ((i>=0)) ; do
if [[ -f ${RST[$i]} ]] ; then
if ! ( (echo 1 >${RST[i]}) ) ; then
/usr/bin/logger -t "mts-io" -p error -s "Failed write to ${RST[$i]}"
fi
else
/usr/bin/logger -t "mts-io" -p info -s "${RST[$i]} does not exist"
RST[$i]=""
fi
((i--))
done
while ((i>0)) ; do
if ((${#RST[$i] > 0)) && [[ -f ${RST[$i]} ]] ; then
if ! ( (echo 0 >${RST[i]}) ) ; then
/usr/bin/logger -t "mts-io" -p error -s "Failed write to ${RST[$i]}"
fi
else
/usr/bin/logger -t "mts-io" -p info -s "${RST[$i]} does not exist"
fi
done
${WAIT}
while ((i>0)) ; do
if ((${#RST[$i] > 0)) && [[ -f ${RST[$i]} ]] ; then
if ! ( (echo 1 >${RST[i]}) ) ; then
/usr/bin/logger -t "mts-io" -p error -s "Failed write to ${RST[$i]}"
fi
else
/usr/bin/logger -t "mts-io" -p info -s "${RST[$i]} does not exist"
fi
done
}
read_card_info() {
ap1_product_id=""
ap2_product_id=""
mts_hw_version=""
if [[ -d $sysdir/ap1 ]]; then
ap1_product_id=$(cat $sysdir/ap1/product-id)
fi
if [[ -d $sysdir/ap2 ]]; then
ap2_product_id=$(cat $sysdir/ap2/product-id)
fi
}
mfser_init() {
found_ap1=0
if [[ $ap1_product_id =~ ^MTAC-MFSER- ]]; then
/usr/bin/logger -t "mts-io" -p info -s "Linking /dev/mfser to /dev/ttyAP1"
ln -sf /dev/ttyAP1 /dev/mfser
found_ap1=1
fi
if [[ $ap2_product_id =~ ^MTAC-MFSER- ]]; then
if [[ $found_ap1 = 1 ]]; then
/usr/bin/logger -t "mts-io" -p info -s "Linking /dev/mfser-2 to /dev/ttyAP2"
ln -sf /dev/ttyAP2 /dev/mfser-2
else
/usr/bin/logger -t "mts-io" -p info -s "Linking /dev/mfser to /dev/ttyAP2"
ln -sf /dev/ttyAP2 /dev/mfser
fi
fi
}
case $1 in
start)
/usr/bin/logger -t "mts-io" -p info -s "Loading mts-io module"
if ! modprobe mts_io ; then
((fail++))
fi
read_card_info
if ! reset_path $USBRST ; then
((fail++))
fi
/bin/busybox usleep 100000
reset_array
mts-io-sysfs store radio-reset 0
mfser_init
if ! reset_path $RS9113RST ; then
((fail++))
fi
if ((fail == 0)) ; then
echo "OK"
else
echo "FAIL"
fi
exit $fail
;;
stop)
/usr/bin/logger -t "mts-io" -p info -s "Unloading mts-io module"
modprobe -r mts_io
RETVAL=$?
if ((RETVAL == 0)) ; then
echo "OK"
else
echo "FAIL"
fi
;;
restart)
$0 stop
sleep 1
$0 start
;;
status)
if [[ -d ${sysdir} ]] ; then
echo Driver is loaded
exit 0
else
echo Driver is not loaded
exit 3
fi
;;
*)
echo "Usage: $0 {start|stop|status|restart}"
exit 2
;;
esac
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