pmaports/modem/msm-modem/msm-modem-uim-selection.initd
Caleb Connolly 683b543a3b
msm-modem-uim-selection: Don't wait for SIM (MR 2470)
The delay to wait for the SIM card to show up appears to be unneeded on
our modems, remove it so that we don't delay boot by 10 seconds if your
device doesn't have a SIM card installed.

[ci:skip-build] already built successfully in CI
2021-08-30 21:15:17 -07:00

79 lines
2.6 KiB
Text

#!/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)
# 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 $?
}