#!/bin/bash
# Script:       snd2tecra8000
# Function:     This Script configures the sound card of a Toshiba
#		Tecra 8000
#
# Source:	http://www.imhorst.net/?p=24
#
# This script comes with ABSOLUTELY NO WARRANTY and it is public domain.

# Globale Variablen
SCRIPTNAME=$(basename $0 .sh)
VERSION="0.1"
VERDATE="December 21, 2006"

EXIT_SUCCESS=0
EXIT_FAILURE=1
EXIT_ERROR=2
EXIT_BUG=10

# Funktionen
function usage {
        echo "Usage: $SCRIPTNAME --help" >&2
	echo
        [[ $# -eq 1 ]] && exit $1 || exit $EXIT_FAILURE
}

# Count numbers of options here
if (( $# < 1 )) ; then
	echo
        echo "At least one argument is needed here."
	echo
        usage $EXIT_ERROR
fi

ARG=$1

if [ "$ARG" = "--alsa" -o "$ARG" = "--oss" -o "$ARG" = "--help" -o "$ARG" = "--version" ] ; then

  if [ "$ARG" = "--help" ] ; then

	echo "
		Arguments:
		
		--alsa       Install sound for the ALSA architecture
		--oss	     Install sound for the OSS architecture
		--help       Help, this menu.
		--version    Prints Version


		Example for installing ALSA when you are root: 
		./snd2tecra --alsa

		And with sudo:
		sudo ./snd2tecra --alsa"
		echo

		exit $EXIT_SUCCESS
  fi

  if [ "$ARG" = "--version" ] ; then
	
	echo "** This is $SCRIPTNAME $VERSION built on $VERDATE"
	exit $EXIT_SUCCESS

  fi

  if [ "$ARG" = "--alsa"  -o "$ARG" = "--oss" ] ; then

		## Are you root?

		WHOAMI=`whoami`

  		if [ "$WHOAMI" != "root" ] ; then

			echo			
			echo "You are not root."
        		usage $EXIT_ERROR

  		else
	
	# print welcome greeting
	echo
	echo "** This $SCRIPTNAME v$VERSION last updated $VERDATE"
	echo -n "** Created by Christian Imhorst <"
	echo -n christian1imhorst2net | tr 12 @.
	echo ">"
	echo

		   if [ "$ARG" = "--alsa" ] ; then


			grep snd-card-0 /etc/modules >& /dev/null
			RES=$?

			if [ $RES = 0 ] ; then 
				echo
				echo "The ALSA driver is already installed on this system..."
				echo
				exit $EXIT_SUCCESS

			else

				echo
				echo "Installing ALSA ..."
				echo
				echo "alias snd-card-0 snd-opl3sa2
options snd-opl3sa2 dma1=1 dma2=0 fm_port=0x388 irq=5 midi_port=0x330 sb_port=0x220 wss_port=0x530 isapnp=0

# some stuff for the OSS drivers
alias char-major-14 snd-pcm-oss
alias sound-slot-0 snd-card-0

# aliases for sound card #1
alias sound-service-0-0 snd-mixer-oss
alias sound-service-0-1 snd-seq-oss
alias sound-service-0-3 snd-pcm-oss
alias sound-service-0-8 snd-seq-oss
alias sound-service-0-12 snd-pcm-oss" >/etc/modprobe.d/sound 

				echo "snd-card-0" >>/etc/modules 
			fi
	
		   fi

		   if [ "$ARG" = "--oss" ] ; then


			grep opl3sa2 /etc/modules >& /dev/null
			RES=$?

			if [ $RES = 0 ] ; then 
				echo
				echo "The OSS driver is already installed on this system..."
				echo
				exit $EXIT_SUCCESS

			else

				echo
				echo "Installing OSS ..."
				echo
				echo "opl3sa2 io=0x220 mss_io=0x530 mpu_io=0x330 irq=5 dma=1 dma2=0
mpu401
sound
ad1848" >>/etc/modules 		
			fi	
		   fi

		fi

  fi

else

	usage $EXIT_ERROR

fi

exit $EXIT_SUCCESS