#!/bin/sh
#
# rc.pcmcia 1.23 1998/07/18 18:49:26 (David Hinds)
# Modified for Slackware Thu Aug  3 21:02:36 CDT 2006 (pjv, pp)
#
# This is designed to work in BSD as well as SysV init setups.  See
# the HOWTO for customization instructions.

usage()
{
    echo "Usage: $0 {start|stop|restart}"
}

cleanup()
{
    while read SN CLASS MOD INST DEV EXTRA ; do
	if [ "$SN" != "Socket" ] ; then
	    /etc/pcmcia/$CLASS stop $DEV 2> /dev/null
	fi
    done
}

# Allow environment variables to override all options
if [ "$PCMCIA" ] ; then readonly PCMCIA ; fi
if [ "$PCIC" ] ; then readonly PCIC ; fi
if [ "$CORE_OPTS" ] ; then readonly CORE_OPTS ; fi
if [ "$CARDMGR_OPTS" ] ; then readonly CARDMGR_OPTS ; fi
if [ "$SCHEME" ] ; then readonly SCHEME ; fi

# Source PCMCIA configuration, if available
if [ -f /etc/pcmcia.conf ] ; then
    . /etc/pcmcia.conf
elif [ -f /etc/sysconfig/pcmcia ] ; then
    . /etc/sysconfig/pcmcia
    if [ "$PCMCIA" != "yes" ] ; then exit 0 ; fi
else
    # Should be either i82365, i82092, tcic, or yenta_socket.
    # Can also be set to "probe" (a Slackware addition) which loads
    # each module until one of them works.  (this is the default)
    PCIC=probe
#    PCIC=i82365
#    PCIC=tcic
#    PCIC=yenta_socket
    # The i82092 is found in old laptops and evaluation boards and will
    # not be automatically probed for.
#    PCIC=i82092
    # Put pcmcia_core options here
    CORE_OPTS=
    # Put cardmgr options here
    CARDMGR_OPTS=
    # To set the PCMCIA scheme at startup...
    SCHEME=
fi

EXITCODE=1
for x in "1" ; do

    if [ "$PCIC" = "" ] ; then
	echo "PCIC not defined in rc.pcmcia!"
	break
    fi

    if [ $# -lt 1 ] ; then usage ; break ; fi
    action=$1

    case "$action" in

    'start')
	echo "Starting PCMCIA services:"
	SC=/var/run/pcmcia-scheme
	if [ -L $SC -o ! -O $SC ] ; then rm -f $SC ; fi
	if [ ! -f $SC ] ; then umask 022 ; echo > $SC ; fi
        if [ "$SCHEME" ] ; then umask 022 ; echo $SCHEME > $SC ; fi
	fgrep -q pcmcia /proc/devices
	if [ $? -ne 0 ] ; then
            if [ -d "/lib/modules/`uname -r`/pcmcia" ]; then
	      PC="/lib/modules/`uname -r`/pcmcia"
            elif [ -d "/lib/modules/`uname -r`/kernel/drivers/pcmcia" ]; then
              PC="/lib/modules/`uname -r`/kernel/drivers/pcmcia"
            fi
	    if [ -d $PC ] ; then
		/sbin/modprobe pcmcia_core $CORE_OPTS 2> /dev/null
                if [ "$PCIC" = "probe" ]; then # attempt to load both
                    echo "  <Probing for PCIC: edit /etc/rc.d/rc.pcmcia>"
  		    /sbin/modprobe i82365 2> /dev/null
                    if [ ! $? = 0 ]; then # try tcic 
		        /sbin/modprobe tcic 2> /dev/null
                    fi
                    if [ ! $? = 0 ]; then # try yenta_socket
	                /sbin/modprobe yenta_socket 2> /dev/null
                    fi
                else # PCIC has been selected manually
	            /sbin/modprobe $PCIC 2> /dev/null
                fi
		/sbin/modprobe ds 2> /dev/null
	    else
		echo "No PCMCIA kernel modules for `uname -r` found."
		break
	    fi
	fi

        # Check kernel version.  Kernel 2.6 doesn't need cardmgr.
        KERN_VER=$(uname -r | cut -f 1,2 -d . )
        if [ "$KERN_VER" = "2.4" ]; then
          if [ -r /var/run/stab ] ; then
            cat /var/run/stab | cleanup
          fi
          /sbin/cardmgr $CARDMGR_OPTS
        elif [ -s /var/run/cardmgr.pid ]; then
          # Looks like cardmgr is being mistakenly run on a 2.6 kernel.
          echo "Killing /sbin/cardmgr (not needed for new kernels)..."
          kill -0 $(cat /var/run/cardmgr.pid) 2>/dev/null
        fi

	if [ -d /var/lock/subsys ] ; then
	    touch /var/lock/subsys/pcmcia
	fi
	;;

    'stop')
        if [ -r /var/run/cardmgr.pid ]; then
	    echo -n "Shutting down PCMCIA services:"
	    PID=`cat /var/run/cardmgr.pid`
	    kill $PID
	    echo -n " cardmgr"
            # Give cardmgr a few seconds to handle the signal:
            kill -0 $PID 2>/dev/null && sleep 2 && \
            kill -0 $PID 2>/dev/null && sleep 2 && \
            kill -0 $PID 2>/dev/null && sleep 2 && \
            kill -0 $PID 2>/dev/null
	    if fgrep -q "ds  " /proc/modules ; then
	        echo -n " modules"
	        /sbin/modprobe -r ds
                if [ "$PCIC" = "probe" ]; then
                    if grep i82365 /proc/modules 1> /dev/null 2> /dev/null ; then
                        /sbin/modprobe -r i82365
                    elif grep yenta_socket /proc/modules 1> /dev/null 2> /dev/null ; then
                        /sbin/modprobe -r yenta_socket
                    elif grep tcic /proc/modules 1> /dev/null 2> /dev/null ; then
                        /sbin/modprobe -r tcic
                    fi
                else
                    /sbin/modprobe -r $PCIC
                fi
	        /sbin/modprobe -r pcmcia_core
	    fi
	    echo "."
	    rm -f /var/lock/subsys/pcmcia
        fi
	EXITCODE=0
	;;

    'restart')
	$0 stop
	$0 start
	EXITCODE=0
	;;

    *)
	usage
	;;

    esac

done

# Only exit if we're in our own subshell
if [ "${0##*/}" = "rc.pcmcia" ] ; then
    exit $EXITCODE
fi