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Viewing changes to utopic/etc/init.d/irda-setup

  • Committer: Dimitri John Ledkov
  • Date: 2014-11-19 12:58:41 UTC
  • Revision ID: dimitri.j.ledkov@intel.com-20141119125841-98dr37roy8dvcv3b
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utopic/etc/init.d/irda-setup
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#!/bin/bash
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. /etc/default/irda-utils
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test "$AUTOMATIC" = "true" || exit 0
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test -d /sys/bus/pnp/devices || exit 0
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cd /sys/bus/pnp/devices
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IRDA=0;
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STATEFILE=/var/run/irdadev;
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case $1 in
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    start|restart|reload|force-reload)
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    for x in *; do
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        FIR="false";
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        SIR="false";
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        FALLBACK=true;
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        OPTIONS=""
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        for y in `cat $x/id`; do
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            case "$y" in
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                PNP0510|PNP0511)
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                SIR="true";
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                ;;
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                NSC*)
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                FIR="nsc-ircc";
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                ;;
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                IBM0071)
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                FIR="nsc-ircc";
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                OPTIONS="dongle_id=0x09";
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                ;;
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                SMC*)
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                FIR="smsc-ircc2";
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                ;;          
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                ALI5123)
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                FIR="ali-ircc";
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                ;;
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                VIA3076)
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                FIR="via-ircc"
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            esac
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        done
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        if [ $FIR = "false" -a $SIR = "false" ]; then
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                continue;
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        fi
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    # Work out resource ranges, so we know which serial port to work with
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        PORTS=`grep io $x/resources | sed -e 's/io \(.*\)-.*/\1/'`
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        for PORT in $PORTS; do
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                case $PORT in
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                0x3f8)
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                PORT="/dev/ttyS0"
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                break;
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                ;;
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                0x2f8)
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                PORT="/dev/ttyS1"
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                break;
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                ;;
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                0x3e8)
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                PORT="/dev/ttyS2"
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                break;
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                ;;
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                0x2e8)
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                PORT="/dev/ttyS3"
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                break;
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                ;;
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                default)
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                PORT="UNKNOWN"
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                ;;
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                esac;
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        done
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        if [ "$FIR" != "false" ]; then
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            # The BIOS doesn't always activate the device. Prod it
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            echo disable >$x/resources;
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            echo activate >$x/resources;
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            UART="unknown";
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            if [ "$PORT" != "UNKNOWN" ]; then
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            # We should attempt to disable the UART. However, we need to store
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            # it - there's a chance that things could still go horribly wrong
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                UART=`setserial $PORT | sed 's/.*UART: \(.*\), Port.*/\1/'`
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                setserial $PORT uart none
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            fi
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            modprobe $FIR $OPTIONS;
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            if [ "$?" = "0" ]; then
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                echo "irda$IRDA fir" >$STATEFILE;
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                let "IRDA=$IRDA+1";
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                continue;
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            else
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            # Try to recover
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                if [ "$UART" != "undefined" ]; then
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                        setserial $PORT uart $UART;
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                fi
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            fi
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        fi
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        if [ "$SIR" = "true" -o "$FIR" != "false" ]; then
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            # We'll only have got here if the FIR module has failed
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            if [ "$PORT" != "UNKNOWN" ]; then
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            # The BIOS doesn't always activate the device. Prod it
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                echo disable >$x/resources;
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                echo activate >$x/resources;
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            # The IRQ is not always set correctly, so try to deal with that
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                IRQ=`grep irq $x/resources | sed -e 's/irq \(.*\)/\1/'`
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                setserial $PORT irq $IRQ;
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                echo "$PORT sir" >$STATEFILE;
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            fi
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        fi
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    done
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    ;;
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    stop)
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    exit 0
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    ;;
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esac