#! /bin/sh
#----------------------------------------------------------------------------
# /etc/init.d/usb - load or unload usb drivers
#
# Creation   :  2004-03-12 fh
# Last Update:  $Id$
#
# Copyright (c) 2001-2010 the eisfair team, team(at)eisfair(dot)org
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

# include config file
. /etc/config.d/usb

# include eislib
. /var/install/include/eislib

# dont unload  module if usb-drive given
usb_drive=false
if [ -f /boot/usb-drive ]
then
    usb_drive=true
fi


case ${1} in
    start)

        if [ "${START_USB}" = "yes" ]
        then
            mecho -info "Loading usb drivers ..."
            /sbin/modprobe usbcore 2>/dev/null                 # load usb core driver
            /sbin/modprobe ${USB_LOWLEVEL} 2>/dev/null           # load usb host driver

            if [ "${USB_2}" = "yes" ]
            then
                /sbin/modprobe ehci-hcd 2>/dev/null            # load usb2 driver
            fi

            if [ "${USB_PRINTER}" = "yes" ]
            then
                /sbin/modprobe printer 2>/dev/null             # load usb printer driver
            fi

            if [ "${USB_STORAGE}" = "yes" ]
            then
                /sbin/modprobe usb-storage 2>/dev/null         # load usb storage driver
            fi

            if [ "${USB_SERIAL}" = "yes" ]
            then
                /sbin/modprobe usbserial 2>/dev/null           # load usb serial drivers
                /sbin/modprobe "${USB_SERIAL_DRIVER}" "${USB_SERIAL_OPTIONS}" 2>/dev/null
            fi

            if [ -z "`mount -t usbfs`" ]
            then
                mount -t usbfs usbfs /proc/bus/usb
            fi
        fi
    ;;

    stop)

        mecho -info "Unloading usb drivers ..."
        mount | grep usb > /dev/null

        if [ ${?} = 0 ]
        then
            umount /proc/bus/usb
        fi

        if [ "${USB_PRINTER}" = "yes" ]
        then
            /sbin/rmmod printer 2>/dev/null                 # unload usb printer driver
        fi

        if [ "${USB_2}" = "yes" ]
        then
            if ! ${usb_drive}
            then
                /sbin/rmmod ehci-hcd 2>/dev/null            # unload usb2 driver
            fi
        fi

        if [ "${USB_STORAGE}" = "yes" ]
        then
            if ! ${usb_drive}
            then
                /sbin/rmmod usb-storage 2>/dev/null          # unload usb storage driver
            fi
        fi

        if [ "${USB_SERIAL}" = "yes" ]
        then
            /sbin/rmmod "${USB_SERIAL_DRIVER}" 2>/dev/null    # unload usb serial drivers
            /sbin/rmmod usbserial 2>/dev/null
        fi
    ;;

    start_by_hand)

        ${0} start

        if [ "${START_USB}" = "yes" ]
        then

            if [ ${USB_DEP_SERVICE_N} -gt 0 ]
            then
                mecho -info "Looking for dependent services..."

                if [ -f /etc/usbdepservices ]
                then
                    for service in `cat /etc/usbdepservices`
                        do
                        mecho -warn "Found "${service}", starting."
                        /etc/init.d/${service} start
                        done
                    else
                    mecho -std "...nothing to do."
                fi

            fi

        fi
    ;;

    stop_by_hand)

        if [ "${START_USB}" = "yes" ]
        then

            if [ ${USB_DEP_SERVICE_N} -gt 0 ]
            then
                mecho -info "Looking for dependent services..."

                if [ -f /etc/usbdepservices ]
                then
                    for service in `cat /etc/usbdepservices`
                        do
                        mecho -warn "Found "${service}", stopping."
                        /etc/init.d/${service} stop
                        done
                    else
                    mecho -std "...nothing to do."
                fi

            fi

        fi

        ${0} stop
    ;;

    restart)

        ${0} stop_by_hand
        ${0} start_by_hand
    ;;

esac