#!/sbin/openrc-run

# Based on msm-modem-uim-selection.initd

name="Modem WWAN port"
description="Activate the WWAN port on the embedded QMI modem"

depend() {
	need rmtfs
	before ofono
	before modemmanager
}

# All of the logic is placed in the service start method as we want to block
# other services while the modem isn't ready yet.
start() {
	# libqmi must be present to use this script.
	if ! [ -x "$(command -v qmicli)" ]
	then
		eend 1 'qmicli is not installed.'
		return 1
	fi

	# Prepare a qmicli command with desired modem path.
	# The modem may appear after some delay, wait for it.
	count=0
	while [ -z "$QMICLI_MODEM" ] && [ "$count" -lt "45" ]
	do
		# Check if QRTR is available
		if qmicli --silent -pd qrtr://0 --uim-noop > /dev/null
		then
			QMICLI_MODEM="qmicli --silent -pd qrtr://0"
			veinfo "Using qrtr://0"
		fi
		sleep 1
		count=$((count+1))
	done
	veinfo "Waited $count seconds for modem device to appear"

	if [ -z "$QMICLI_MODEM" ]
	then
		eend 2 'No modem available.'
		return 2
	fi

	$QMICLI_MODEM --dpm-open-port=hw-data-ep-type=bam-dmux,hw-data-ep-iface-number=1,hw-data-rx-id=1,hw-data-tx-id=1 > /dev/null
	eend $?
}