pmaports/modem/msm-modem/msm-modem-uim-selection.initd

96 lines
3 KiB
Text
Raw Normal View History

#!/sbin/openrc-run
# This script tries to automatically configure UIM application for Qualcomm QMI
# modems with more than one sim slot.
name="UIM Slot selection"
description="Select UIM slot and application on the embedded QMI nodem."
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" ] && [ "$count" -lt "45" ]
do
# Check if legacy rpmsg exported device exists.
if [ -e "/dev/modem" ]
then
QMICLI_MODEM="qmicli --silent -d /dev/modem"
veinfo "Using /dev/modem"
# Check if the qmi device from wwan driver exists.
elif [ -e "/dev/wwan0qmi0" ]
then
# Using --device-open-qmi flag as we may have libqmi
# version that can't automatically detect the type yet.
QMICLI_MODEM="qmicli --silent -d /dev/wwan0qmi0 --device-open-qmi"
veinfo "Using /dev/wwan0qmi0"
# Check if QRTR is available for new devices.
elif qmicli --silent -pd qrtr://0 --uim-noop > /dev/null
then
QMICLI_MODEM="qmicli --silent -pd qrtr://0"
veinfo "Using qrtr://0"
fi
sleep 1
count=$((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
QMI_CARDS=$($QMICLI_MODEM --uim-get-card-status)
# Fail if all slots are empty but wait a bit for the sim to appear.
count=0
while ! printf "%s" "$QMI_CARDS" | grep -Fq "Card state: 'present'" && [ "$count" -lt "11" ]
do
sleep 1
count=$((count+1))
QMI_CARDS=$($QMICLI_MODEM --uim-get-card-status)
done
if [ "$count" -gt "10" ]
then
eend 4 'No sim present.'
return 4
fi
veinfo "Waited $count seconds for modem to come up"
# Clear the selected application in case the modem is in a bugged state
if ! printf "%s" "$QMI_CARDS" | grep -Fq "Primary GW: session doesn't exist"
then
ewarn 'Application was already selected.'
$QMICLI_MODEM --uim-change-provisioning-session='activate=no,session-type=primary-gw-provisioning' > /dev/null
fi
# Extract first available slot number and AID for usim application
# on it. This should select proper slot out of two if only one UIM is
# present or select the first one if both slots have UIM's in them.
FIRST_PRESENT_SLOT=$(printf "%s" "$QMI_CARDS" | grep "Card state: 'present'" -m1 -B1 | head -n1 | cut -c7-7)
FIRST_PRESENT_AID=$(printf "%s" "$QMI_CARDS" | grep "usim (2)" -m1 -A3 | tail -n1 | awk '{print $1}')
veinfo "Selecting $FIRST_PRESENT_AID on slot $FIRST_PRESENT_SLOT"
# Finally send the new configuration to the modem.
$QMICLI_MODEM --uim-change-provisioning-session="slot=$FIRST_PRESENT_SLOT,activate=yes,session-type=primary-gw-provisioning,aid=$FIRST_PRESENT_AID" > /dev/null
eend $?
}