#! /bin/sh
#
# $Id$
#
# This script is run from the xpp kernel module upon detection
# of a new XPD.
#
# Expects the following environment variables to be set:
#	XPD_BUS	- bus name
#	XPD_NAME	- xpd name
#	XPD_TYPE	- xpd type number (from protocol reply):
#			3 - FXS
#			4 - FXO
#	XPD_REVISION	- xpd revision number

set -e

LOGGER="logger -i -t `basename $0`"
opermode='FCC'
INIT_DIR=`dirname $0`
XPP_BASE=/proc/xpp

if [ -r /etc/default/zaptel ]
then . /etc/default/zaptel
fi

export XPP_BASE

SLICS="$XPP_BASE/$XPD_BUS/$XPD_NAME/slics"
FILE="$INIT_DIR/init_data_${XPD_TYPE}_${XPD_REVISION}.cmd"
set_daa_country_params() {
	# based on fxo_modes from wctdm.c . TODO: more decent calculation?
	reg16=00; reg26=00; reg30=00; reg31=A3; ring_osc=; ring_x=;
	mode="$1"
	# TODO: a saner fall-back in case of an unknown mode
	if [ "$mode" = '' ]; then mode='FCC'; fi
	if [ -r $INIT_DIR/init_fxo_modes ]; then
	. $INIT_DIR/init_fxo_modes
	fi
	cat <<EOF >$SLICS
FF FF 00 00	WD 10 $reg16
FF FF 00 00	WD 1A $reg26
FF FF 00 00	WD 1E $reg30
FF FF 00 00	WD 1F $reg31
EOF
	# for the FXS:
	#if [ "$ring_osc" != '' ]; then
	#	/bin/echo "31 WI __ $ring_osc" >$SLICS
	#fi
	#if [ "$ring_x" != '' ]; then
	#	/bin/echo "31 WI __ $ring_x" >$SLICS
	#fi
}

if [ ! -f "$SLICS" ]; then
	$LOGGER "missing register file '$SLICS'"
	exit 1
fi

if [ ! -f "$FILE" ]; then
	$LOGGER "missing register initialization file '$FILE'"
	exit 1
fi

case "$XPD_TYPE" in
3|4)
	if [ "$XPD_TYPE" = 3 ]; then "$INIT_DIR/calibrate_slics"; fi
	cat "$FILE" > "$SLICS" 
	if [ "$XPD_TYPE" = 4 ]; then set_daa_country_params "$opermode"; fi
	;;
*)
	$LOGGER "Unknown type '$XPD_TYPE'"
	exit 2
esac
$LOGGER "Wrote '$FILE' into '$SLICS'"

exit 0