123 lines
2.8 KiB
Bash
123 lines
2.8 KiB
Bash
#!/bin/sh
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log() {
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echo "$@" | logger -t "postmarketOS:modem-setup"
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}
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# Current modem routing
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#
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# 1 - Digital PCM
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# 0 - I2S master
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# 0 - Primary mode (short sync)
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# 2 - 512kHz clock (512kHz / 16bit = 32k samples/s)
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# 0 - 16bit linear format
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# 1 - 16k sample/s
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# 1 - 1 slot
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# 1 - map to first slot (the only slot)
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#
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QDAI_CONFIG="1,0,0,2,0,1,1,1"
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QCFG_RISIGNALTYPE_CONFIG="physical"
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QMBNCFG_CONFIG="1"
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QCFG_IMS_CONFIG="1"
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if [ -z "$1" ]
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then
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DEV="/dev/EG25.AT"
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else
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DEV="$1"
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fi
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# When running this script from udev the modem might not be fully initialized
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# yet, so give it some time to initialize
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#
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# We'll try to query for the firmware version for 15 seconds after which we'll
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# consider the initialization failed
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log "Waiting for the modem to initialize"
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INITIALIZED=false
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for second in $(seq 1 15)
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do
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if echo "AT+QDAI?" | atinout - $DEV - | grep -q OK
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then
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INITIALIZED=true
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break
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fi
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log "Waited for $second seconds..."
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sleep 1
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done
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if $INITIALIZED
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then
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log "Modem initialized"
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else
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log "Modem failed to initialize"
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exit 1
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fi
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# Read current config
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QDAI_ACTUAL_CONFIG=$(echo "AT+QDAI?" | atinout - $DEV -)
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QCFG_RISIGNALTYPE_ACTUAL_CONFIG=$(echo 'AT+QCFG="risignaltype"' | atinout - $DEV -)
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QMBNCFG_ACTUAL_CONFIG=$(echo 'AT+QMBNCFG="AutoSel"' | atinout - $DEV -)
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QCFG_IMS_ACTUAL_CONFIG=$(echo 'AT+QCFG="ims"' | atinout - $DEV -)
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if echo $QDAI_ACTUAL_CONFIG | grep -q $QDAI_CONFIG && \
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echo $QCFG_RISIGNALTYPE_ACTUAL_CONFIG | grep -q $QCFG_RISIGNALTYPE_CONFIG && \
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echo $QMBNCFG_ACTUAL_CONFIG | grep -q $QMBNCFG_CONFIG && \
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echo $QCFG_IMS_ACTUAL_CONFIG | grep -q $QCFG_IMS_CONFIG
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then
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log "Modem already configured"
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exit 0
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fi
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# Modem not configured, we need to send it the digital interface configuration,
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# then reboot it
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# Configure audio
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RET=$(echo "AT+QDAI=$QDAI_CONFIG" | atinout - $DEV -)
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if ! echo $RET | grep -q OK
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then
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log "Failed to configure audio: $RET"
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exit 1
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fi
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# Configure ring device
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RET=$(echo "AT+QCFG=\"risignaltype\",\"$QCFG_RISIGNALTYPE_CONFIG\"" | atinout - $DEV -)
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if ! echo $RET | grep -q OK
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then
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log "Failed to configure modem ring wakeup: $RET"
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exit 1
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fi
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# Configure VoLTE auto selecting profile
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RET=$(echo "AT+QMBNCFG=\"AutoSel\",$QMBNCFG_CONFIG" | atinout - $DEV -)
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if ! echo $RET | grep -q OK
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then
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log "Failed to enable VoLTE profile auto selecting: $RET"
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exit 1
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fi
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# Enable VoLTE
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RET=$(echo "AT+QCFG=\"ims\",$QCFG_IMS_CONFIG" | atinout - $DEV -)
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if ! echo $RET | grep -q OK
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then
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log "Failed to enable VoLTE: $RET"
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exit 1
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fi
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# Reset module
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# 1 Set the mode to full functionality (vs 4: no RF, and 1: min functionality)
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# 1 Reset the modem before changing mode (only available with 1 above)
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#
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RET=$(echo "AT+CFUN=1,1" | atinout - $DEV -)
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if ! echo $RET | grep -q OK
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then
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log "Failed to reset the module: $RET"
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exit 1
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fi
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