Update of /cvsroot/alsa/alsa-driver/utils
In directory usw-pr-cvs1:/tmp/cvs-serv18893

Added Files:
        alsaconf 
Log Message:
added alsaconf script.

this will probe one pnp card as default.
a legacy card without pnp can be probed, but this may be a bit
dangerous.



--- NEW FILE: alsaconf ---
#!/bin/sh
#
#  ALSA Configurator
#
#  Copyright (c) 1999-2002  SuSE GmbH
#                           Jan ONDREJ
#
#  written by Takashi Iwai <[EMAIL PROTECTED]>
#             Bernd Kaindl <[EMAIL PROTECTED]>
#
#  based on the original version of Jan ONDREJ's alsaconf for ALSA 0.4.
#
#  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.
#

version=0.9.0

# Check for root privileges
if [ `id -u` -ne 0 ]; then
  echo "You must be root to use this script."
  exit 1
fi

function usage() {
    echo "ALSA configurator version $version"
    echo "usage: alsaconf [options]"
    echo "  -l|--legacy    check only legacy non-isapnp cards"
    echo "  -m|--modinfo   read module descriptions instead of reading card db"
    echo "  -s|--sound wav-file"
    echo "                 use the specified wav file as a test sound"
    echo "  -u|--uid uid   set the uid for the ALSA devices (default = 0)"
    echo "  -g|--gid gid   set the gid for the ALSA devices (default = 0)"
    echo "  -d|--devmode mode"
    echo "                 set the device mode for the ALSA devices (default = 0666)"
    echo "  -r|--strict    set strict device mode (equiv. with -g 17 -d 0660)"
    echo "  -L|--log       logging on $LOGFILE"
    echo "  -p|--probe card-name"
    echo "                 probe a legacy non-isapnp card and print module options"
    echo "  -h|--help      what you're reading"
    exit 1
}

OPTS=`getopt -o lmLhp:u:g:d:rs: --long 
legacy,modinfo,log,help,probe,uid,gid,devmode,strict,sound -n alsaconf -- "$@"` || 
exit 1
eval set -- "$OPTS"

do_legacy_only=0
use_modinfo_db=0
do_logging=0
alsa_uid=0
alsa_gid=0
alsa_mode=0666
legacy_probe_card=""
LOGFILE=/tmp/alsaconf.log
TESTSOUND=/usr/share/sounds/alsa/test.wav
try_all_combination=0

while true ; do
    case "$1" in
    -l|--legacy)
        do_legacy_only=1; shift ;;
    -m|--modifno)
        use_modinfo_db=1; shift ;;
    -s|--sound)
        TESTSOUND=$2; shift 2;;
    -h|--help)
        usage; exit 1 ;;
    -L|--log)
        do_logging=1; rm -f $LOGFILE; shift;;
    -p|--probe)
        legacy_probe_card=$2; shift 2;;
    -u|--uid)
        alsa_uid=$2; shift 2;;
    -g|--gid)
        alsa_gid=$2; shift 2;;
    -d|--devmode)
        alsa_mode=$2; shift 2;;
    -r|--strict)
        alsa_uid=0; alsa_gid=17; alsa_mode=0660; shift;;
    --) shift ; break ;;
    *) usage ; exit 1 ;;
    esac
done

alsa_device_opts=""
if [ x"$alsa_uid" != x0 ]; then
    alsa_device_opts="$alsa_device_opts ${mpfx}device_uid=$alsa_uid"
fi
if [ x"$alsa_gid" != x0 ]; then
    alsa_device_opts="$alsa_device_opts ${mpfx}device_gid=$alsa_gid"
fi
if [ x"$alsa_mode" != x0 ]; then
    alsa_device_opts="$alsa_device_opts ${mpfx}device_mode=$alsa_mode"
fi

if [ -e /etc/modules.conf ]; then
  cfgfile="/etc/modules.conf"
elif [ -e /etc/conf.modules ]; then
  cfgfile="/etc/conf.modules"
else
  cfgfile="/etc/modules.conf"
  touch /etc/modules.conf
fi

#
# check the snd_ prefix for ALSA module options
# snd_ prefix is obsoleted since 0.9.0rc4.
#
if modinfo -p snd | grep -q snd_ ; then
  mpfx="snd_"
else
  mpfx=""
fi

# Check for dialog, whiptail, gdialog, awk, ... ?
if which dialog > /dev/null; then
  DIALOG=dialog
else
  if which whiptail > /dev/null; then
    function whiptail_wrapper() {
      X1="$1"
      X2="$2"
      if [ $1 = --yesno ]; then
        X3=`expr $3 + 2`
      else
        X3=$3
      fi
      shift 3
      whiptail "$X1" "$X2" $X3 "$@"
    }
    DIALOG=whiptail_wrapper
  else
    echo "Error, dialog or whiptail not found."
    exit 1
  fi
fi
if which awk > /dev/null; then :
else
  echo "Error, awk not found. Can't continue."
  exit 1
fi

#
# remove entries by yast2 sound configurator
#
function remove_y2_block() {
    awk '
    /^alias sound-slot-[0-9]/ { next }
    /^alias char-major-116 / { next }
    /^alias char-major-14 / { next }
    /^alias snd-card-[0-9] / { next }
    /^options snd / { next }
    /^options snd-/ { next }
    /^options off / { next }
    /^alias sound-service-[0-9]/ { next }
    /^# YaST2: sound / { next }
   { print }'
}

#
# remove entries by sndconfig sound configurator
#
# found strings to search for in WriteConfModules, 
# from sndconfig 0.68-4 (rawhide version)

function remove_sndconfig_block() {
    awk '
    /^alias sound-slot-0/ { modulename = $3 ; next }
    /^alias sound-slot-[0-9]/ { next }
    /^post-install sound-slot-[0-9] / { next }
    /^pre-remove sound-slot-[0-9] / { next }
    /^options sound / { next }
    /^alias synth0 opl3/ { next }
    /^options opl3 / { next }
    /^alias midi / { mididev = $3 ; next }
    /^options / { if ($2 == mididev) next }
    /^pre-install / { if ($2 == mididev) next }
    /^alias synth0 / { synth = $3 ; next }
    /^post-install / { if ($2 == synth) next }
    /^options sb / { next }
    /^post-install .+ \/bin\/modprobe "aci"/ { if ($2 == modulename) next }
    /^options adlib_card / { next }
    /^options .+ isapnp=1/ { if ($2 == modulename) next }
    /^options i810_audio / { next }
    /^options / {if ($2 == modulename) next }
   { print }'
}

#
# remove the previous configuration by alsaconf
#
function remove_ac_block() {
    awk '/^'"$ACB"'$/,/^'"$ACE"'$/ { next } { print }'
}

#
# set default mixer volumes
#
function mixer() {
  amixer set "$1" "$2" unmute >/dev/null 2>&1
}

function set_mixers() {
    mixer Master 75%
    mixer PCM 90%
    mixer Synth 90%
    mixer CD 90%
    # ESS 1969 chipset has 2 PCM channels
    mixer PCM,1 90%
    # Trident/YMFPCI/emu10k1
    mixer Wave 100%
    mixer Music 100%
    # CS4237B chipset:
    mixer 'Master Digital' 75%
    # Envy24 chips with analog outs
    mixer DAC,0 90%
    mixer DAC,1 90%
    # some notebooks use headphone instead of master
    mixer Headphone 75%
}


# INTRO
function intro() {
$DIALOG --msgbox "
                   ALSA  CONFIGURATOR
                          v$version

            This script is a configurator for
    Advanced Linux Sound Architecture (ALSA) driver.


  If ALSA is already running, you should close all sound
  apps now and stop the sound driver.
  alsaconf will try to do this, but it's not 100% sure.
" 20 63 || acex 0
}

# FAREWELL
function farewell() {
$DIALOG --msgbox "

     $*

                  ALSA  CONFIGURATOR

          will prepare the card for playing now.

     Now I'll run 'alsasound start', then I'll use
     amixer to raise the default volumes.
     You can change the volume later via a mixer
     program such as alsamixer or gamix.

" 17 60 || acex 0
}

# Exit function
function acex() {
  cleanup
  clear
  exit $1
}

#
# search for alsasound init script
#
if [ -x /etc/init.d/alsasound ]; then
    rcalsasound=/etc/init.d/alsasound
elif [ -x /usr/sbin/rcalsasound ]; then
    rcalsasound=/usr/sbin/rcalsasound
elif [ -x /sbin/rcalsasound ]; then
    rcalsasound=/sbin/rcalsasound
else
    rcalsasound=rcalsasound
fi

    
# MAIN
if [ -d /proc/asound ]; then
  $rcalsasound stop >/dev/null 2>&1
  /sbin/rmmod dmasound dmasound_awacs 2>/dev/null
fi



TMP=`mktemp -q /tmp/alsaconf.XXXXXX`
if [ $? -ne 0 ]; then
        echo "$0: Can't create temp file, exiting..."
        exit 1
fi
FOUND=`mktemp -q /tmp/alsaconf.XXXXXX`
if [ $? -ne 0 ]; then
        echo "$0: Can't create temp file, exiting..."
        exit 1
fi
DUMP=`mktemp -q /tmp/alsaconf.XXXXXX`
if [ $? -ne 0 ]; then
        echo "$0: Can't create temp file, exiting..."
        exit 1
fi
cleanup () {
    killall -9 aplay arecord >/dev/null 2>&1
    /sbin/modprobe -r isapnp >/dev/null 2>&1
    /sbin/modprobe -r isa-pnp >/dev/null 2>&1
    rm -f "$TMP" "$FOUND" "$DUMP"
}
trap cleanup 0 

# convert ISA PnP id number to string 'ABC'
function convert_isapnp_id () {
    let a='('$1'>>2) & 0x3f'
    let b='(('$1' & 0x03) << 3) | (('$1' >> 13) & 0x07)'
    let c='('$1'>> 8) & 0x1f'
    strs='@ABCDEFGHIJKLMNOPQRSTUVWXYZ'
    echo ${strs:$a:1}${strs:$b:1}${strs:$c:1}
}

# swap high & low bytes
function swap_number () {
    let v='(('$1'>>8)&0xff)|(('$1'&0xff)<<8)'
    printf "%04x" $v
}

# build card database
# build_card_db filename
function build_card_db () {
    MODDIR=/lib/modules/`uname -r`
    last_driver=""
    echo -n > $1

    # list pci cards
    while read driver vendor device dummy; do
        if expr $driver : 'snd-.*' >/dev/null ; then
            if [ "$last_driver" != "$driver" ]; then
                echo $driver.o
                last_driver=$driver
            fi
            id1=`printf '0x%04x' $vendor`
            id2=`printf '0x%04x' $device`
            echo "PCI: $id1=$id2"
        fi
    done < $MODDIR/modules.pcimap >> $1

    # list isapnp cards
    while read driver cardvendor carddevice data vendor func; do
        if expr $driver : 'snd-.*' >/dev/null ; then
            if [ "$last_driver" != "$driver" ]; then
                echo $driver.o
                last_driver=$driver
            fi
            id1=`convert_isapnp_id $cardvendor`
            dev1=`swap_number $carddevice`
            id2=`convert_isapnp_id $vendor`
            dev2=`swap_number $func`
            echo "ISAPNP: $id1$dev1=$id2$dev2"
        fi
    done < $MODDIR/modules.isapnpmap >> $1
}

#
# probe cards
#
function probe_cards () {
    test -r /proc/isapnp || /sbin/modprobe isapnp >/dev/null 2>&1
    test -r /proc/isapnp || /sbin/modprobe isa-pnp >/dev/null 2>&1
    if [ -r /proc/isapnp ]; then
        cat /proc/isapnp >"$DUMP"
    else
        echo -n >"$DUMP"
    fi
    CARDID_DB=/var/tmp/alsaconf.cards
    if [ ! -r $CARDID_DB ]; then
        use_modinfo_db=1
    fi
    if [ $use_modinfo_db != 1 ]; then
        if [ $CARDID_DB -ot /lib/modules/`uname -r`/modules.dep ]; then
            use_modinfo_db=1
        fi
    fi
    if [ $use_modinfo_db = 1 ]; then
        echo "Building card database.."
        build_card_db $CARDID_DB
    fi
    if [ ! -r $CARDID_DB ]; then
        echo "No card database is found.."
        exit 1
    fi
    ncards=`grep '^snd-.*\.o$' $CARDID_DB | wc -w`

    awk '
BEGIN {
        format="%-40s %s\n";
        ncards='"$ncards"';
        idx=0;
}
/^snd-.*\.o$/{
        sub(/.o$/, "");
        driver=$0;
        perc=(idx * 100) / (ncards + 1);
        print perc;
        idx++;
}
/^[[:space:]]*PCI: /{
        gsub(/0x/, "");
        gsub(/=/, ":");
        x = sprintf ("/sbin/lspci -n | grep '"'Class 0401'"' | grep %s", $2);
        if (system (x) == 0)
                printf "%s %s\n", $2, driver >>"'"$FOUND"'"
}
/^[[:space:]]*ISAPNP: /{
        gsub(/=.*/, "");
        x = sprintf ("grep '\''^Card [0-9] .%s:'\'' '"$DUMP"'", $2);
        if (system (x) == 0)
                printf "%s %s\n", $2, driver >>"'"$FOUND"'"
}' < $CARDID_DB |\
    $DIALOG --gauge "Searching sound cards" 6 40 0

    #
    # PowerMac
    #
    if grep -q MacRISC /proc/cpuinfo; then
        /sbin/modprobe -a -l | grep 'snd-powermac' | \
        while read i; do
            i=${i##*/}
            i=${i%%.o}
            echo "PowerMac $i" >> $FOUND
        done
    fi
}

#
# look for a descriptive device name from the given device id
#
function find_device_name () {
    if expr "$1" : '[0-9a-f][0-9a-f][0-9a-f][0-9a-f]:[0-9a-f][0-9a-f][0-9a-f][0-9a-f]' 
>/dev/null; then
        /sbin/lspci -d $1 | sed -e 's/^..:..\.. Multimedia audio controller: //g'
        return
    elif expr "$1" : '[A-Z@][A-Z@][A-Z@][0-9a-f][0-9a-f][0-9a-f][0-9a-f]' >/dev/null; 
then
        cardname=`grep '^Card [0-9]\+ '\'$1':' $DUMP | head -1 | sed -e 's/^Card 
[0-9]\+ '\''.*:\(.*\)'\'' .*$/\1/'`
        echo $cardname
    else
        echo $1
    fi
}

#
# configure and try test sound
#
function ac_config_card () {

    CARD_DRIVER=snd-$1
    CARD_OPTS="${*:2}"
    if [ -z "$CARD_OPTS" ]; then
        CARD_OPTS="${mpfx}index=0"
    else
        CARD_OPTS="${mpfx}index=0 $CARD_OPTS"
    fi

    # Configuration done
    $DIALOG --yesno "
Configuring $CARD_DRIVER
Do you want to modify ${cfgfile}?" 8 50 || acex 0
    clear

    # Copy conf.modules and make changes.
    ACB="# --- BEGIN: Generated by ALSACONF, do not edit. ---"
    ACE="# --- END: Generated by ALSACONF, do not edit. ---"

    # Detect 2.2.X kernel
    KVER=`uname -r | tr ".-" "  "`
    KVER1=`echo $KVER | cut -d" " -f1`
    KVER2=`echo $KVER | cut -d" " -f2`
    if [ $KVER1 -ge 2 ] && [ $KVER2 -ge 2 ]; then
        SOUND_CORE="soundcore"
    else
        SOUND_CORE="snd"
    fi

    if [ -e /etc/redhat-release ] ; then
        if grep -q "Red Hat" /etc/redhat-release >/dev/null 2>&1 ; then
            remove_ac_block < $cfgfile | remove_sndconfig_block | uniq > $TMP
        fi
    else
        remove_ac_block < $cfgfile | remove_y2_block | uniq > $TMP
    fi
    echo "$ACB
# --- ALSACONF verion $version ---
alias char-major-116 snd
alias snd-card-0 $CARD_DRIVER
alias char-major-14 $SOUND_CORE
alias sound-slot-0 snd-card-0
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
options snd ${mpfx}major=116 ${mpfx}cards_limit=1$alsa_device_opts
options $CARD_DRIVER $CARD_OPTS
$ACE
" >> $TMP

    if cp -f $cfgfile $cfgfile.old; then
        :
    else
        echo "ERROR! $cfgfile could not be saved."
        echo "Configured ALSA is in /tmp/alsaconf.saved."
        cp $TMP /tmp/alsaconf.saved
        exit 1
    fi

    cp -f $TMP $cfgfile
    /sbin/depmod -a 2>/dev/null

    # remove yast2 entries (- only for suse distro)
    if [ -f /var/lib/YaST/unique.inf ]; then
        awk '
BEGIN { in_sound=0; }
/^\[sound\]$/ { print; in_sound=1; next; }
/^\[.+\]$/ { print; in_sound=0; next; }
{ if (in_sound == 0) { print; } }
' < /var/lib/YaST/unique.inf > $TMP
        cp -f $TMP /var/lib/YaST/unique.inf
    fi

    farewell "OK, driver $CARD_DRIVER is configured."
    echo Loading driver..
    $rcalsasound start
    echo Setting default volumes..
    if [ -x /usr/bin/set_default_volume ]; then
        /usr/bin/set_default_volume -f
    else
        set_mixers
    fi
    if [ -f $TESTSOUND ]; then
      if $DIALOG --yesno "
       The mixer is set up now for for playing.
       Shall I try to play a sound sample now?

                           NOTE:
If you have a big amplifier, lower your volumes or say no.
    Otherwise check that your speaker volume is open,
          and look if you can hear test sound.
" 13 65 
      then
          echo
          aplay $TESTSOUND
      fi
    fi
    if [ ! -r /etc/asound.state ]; then
        echo "Saving the mixer setup used for this in /etc/asound.state."
        /usr/sbin/alsactl store
    fi
    cat <<END
===============================================================================

 Now ALSA is ready to use.
 For adjustment of volumes, please use alsamixer or gamix.

 Have a lot of fun!

END
}


#
# probe legacy ISA cards
#

function check_dma_avail () {
    if [ -r /proc/dma ]; then
        list=""
        for dma in $*; do
            grep '^ *'$dma': ' /proc/dma >/dev/null 2>&1 || list="$list $dma"
        done
        echo $list
    fi
}

function check_irq_avail () {
    if [ -r /proc/interrupts ]; then
        list=""
        for irq in $*; do
            grep '^ *'$irq': ' /proc/interrupts >/dev/null 2>&1 || list="$list $irq"
        done
        echo $list
    fi
}

# check playback
# return 0 - OK, 1 - NG, 2 - not working (irq/dma problem)
function ac_try_load () {
    echo "alias char-major-116 snd
alias snd-card-0 snd-card-$1
options snd ${mpfx}major=116 ${mpfx}cards_limit=1
options snd-$1 ${*:2}
" > $TMP
    test $do_logging = 1 && echo "$1 ${*:2}" >> $LOGFILE
    /sbin/modprobe -C $TMP snd-$1 >/dev/null 2>&1
    /sbin/lsmod | grep snd-$1 >/dev/null 2>&1 || return 1
    /sbin/modprobe -C $TMP snd-ioctl32 >/dev/null 2>&1

    # mute mixers
    amixer set Master 0% mute >/dev/null 2>&1
    amixer set PCM 0% mute >/dev/null 2>&1
    
    # output 0.5 sec
    head -c 4000 < /dev/zero | aplay -r8000 -fS16_LE -traw -c1 > /dev/null 2>&1 &
    # remember pid
    pp=$!
    # sleep for 2 seconds (to be sure -- 1 sec would be enough)
    sleep 2
    # kill the child process if still exists.
    kill -9 $pp > /dev/null 2>&1
    st=$?
    /sbin/modprobe -C $TMP -r snd-ioctl32 >/dev/null 2>&1
    /sbin/modprobe -C $TMP -r snd-$1 >/dev/null 2>&1
    if [ $st = 0 ]; then
        # irq problem?
        test $do_logging = 1 && echo "no playback return" >> $LOGFILE
        return 2
    else
        # seems ok!
        test $do_logging = 1 && echo "playback OK" >> $LOGFILE
        return 0
    fi
}

# check capture
# return 0 - OK, 1 - NG, 2 - not working (irq/dma problem)
# ac_try_capture card duplex opts
function ac_try_capture () {
    echo "alias char-major-116 snd
alias snd-card-0 snd-$1
options snd ${mpfx}major=116 ${mpfx}cards_limit=1
options snd-$1 ${*:3}
" > $TMP
    test $do_logging = 1 && echo "$1 ${*:2}" >> $LOGFILE
    /sbin/modprobe -C $TMP snd-$1 >/dev/null 2>&1
    /sbin/lsmod | grep snd-$1 >/dev/null 2>&1 || return 1
    /sbin/modprobe -C $TMP snd-ioctl32 >/dev/null 2>&1

    # mute mixers
    amixer set Master 0% mute >/dev/null 2>&1
    amixer set PCM 0% mute >/dev/null 2>&1

    play_pid=0
    if [ $2 = yes ]; then
        # try duplex - start dummy playing
        aplay -r8000 -fS16_LE -traw -c1 < /dev/zero > /dev/null 2>&1 &
        play_pid=$!
    fi
    # record 1sec
    arecord -d1 > /dev/null 2>&1 &
    # remember pid
    pp=$!
    # sleep for 2 seconds
    sleep 2
    # kill the child process if still exists.
    kill -9 $pp > /dev/null 2>&1
    st=$?
    # kill playback process if any
    test $play_pid != 0 && kill -9 $play_pid
    /sbin/modprobe -C $TMP -r snd-ioctl32 >/dev/null 2>&1
    /sbin/modprobe -C $TMP -r snd-$1 >/dev/null 2>&1
    if [ $st = 0 ]; then
        test $do_logging = 1 && echo "capture no return" >> $LOGFILE
        return 2
    else
        test $do_logging = 1 && echo "capture OK" >> $LOGFILE
        return 0
    fi
}

function get_dma_pair () {
    case $1 in
    0)
        echo 1 3 5;;
    1)
        echo 0 3 5;;
    3)
        echo 1 0 5;;
    5)
        echo 3 1 0;;
    esac
}

#
# check playback on specified irqs
#
# ac_try_irq card opts irqs...
# return 0 - OK, 1 - NG, 2 - not working (dma problem?)
#
function ac_try_irq () {
    card=$1
    opts="$2 ${mpfx}irq=$3"
    ac_try_load $card $opts >/dev/null 2>&1
    result=$?
    case $result in
    0)
        ac_opts="$opts"
        return 0
        ;;
    2)
        for irq in ${*:4}; do
            opts="$2 ${mpfx}irq=$irq"
            ac_try_load $card $opts >/dev/null 2>&1
            if [ $? = 0 ]; then
                ac_opts="$opts"
                return 0
            fi
        done
        return 2
        ;;
    esac
    return 1
}

#
# check playback/capture on dma1 & dma2 & specified irqs
#
# ac_try_dmas card opts irqs...
# return 0 - OK, 1 - NG
#
function ac_try_dmas () {
    dma_list=`check_dma_avail 1 0 3 5`
    for irq in ${*:3}; do
        for dma1 in $dma_list; do
            for dma2 in `get_dma_pair $dma1`; do
                opts="$2 ${mpfx}dma1=$dma1 ${mpfx}dma2=$dma2 ${mpfx}irq=$irq"
                ac_try_load $1 $opts >/dev/null 2>&1
                result=$?
                if [ $result = 1 ]; then
                    if [ $try_all_combination = 1 ]; then
                        continue
                    else
                        return 1
                    fi
                elif [ $result = 0 ]; then
                    test $do_logging = 1 && echo "Now checking capture..." >> $LOGFILE
                    ac_opts="$opts"
                    ac_try_capture $1 yes $opts >/dev/null 2>&1 && return 0
                    for d in yes no; do
                        for dma2 in $dma_list; do
                            if [ $dma1 != $dma2 ]; then
                                opts="$2 ${mpfx}dma1=$dma1 ${mpfx}dma2=$dma2 
${mpfx}irq=$irq"
                                ac_opts="$opts"
                                ac_try_capture $1 $d $opts >/dev/null 2>&1 && return 0
                            fi
                        done
                    done
                    return 0
                fi
            done
        done
    done
    return 1
}

# check if the option $2 exists in card �1: set value $3
function ac_check_option () {
    if modinfo -p snd-$1 | grep $2 > /dev/null 2>&1 ; then
      echo "$2=$3"
    fi
}
   
function ac_try_card_sb8 () {
    card=sb8
    irq_list=`check_irq_avail 5 3 9 10 7`
    for dma8 in `check_dma_avail 1 3`; do
        opts="${mpfx}dma8=$dma8"
        ac_try_irq $card "$opts" $irq_list && return 0
    done
    return 1
}

function ac_try_card_sb16 () {
    card=sb16
    isapnp=`ac_check_option $card ${mpfx}isapnp 0`
    opts="$isapnp"
    irq_list=`check_irq_avail 5 9 10 7 3`
    dma_list=`check_dma_avail 0 1 3`
    dma16_list=`check_dma_avail 5 6 7`
    # at first try auto-probing by driver itself
    ac_try_load $card $opts >/dev/null 2>&1
    result=$?
    case $result in
    0)
        ac_opts="$opts"
        ac_try_capture $card yes $opts >/dev/null 2>&1 && return 0
        for d in yes no; do
            for dma8 in $dma_list; do
                for irq in $irq_list; do
                    opts="${mpfx}dma8=$dma8 ${mpfx}irq=$irq $isapnp"
                    ac_try_capture $card $d $opts >/dev/null 2>&1 && return 0
                done
            done
        done
        return 0
        ;;
    2)
        for dma16 in $dma16_list; do
            opts="${mpfx}dma16=$dma16 $isapnp"
            if ac_try_irq $card "$opts" $irq_list ; then
                ac_try_capture $card yes $ac_opts >/dev/null 2>&1 && return 0
                ac_opts_saved="$ac_opts"
                for d in yes no; do
                    for dma8 in $dma_list; do
                        ac_opts="$ac_opts_saved ${mpfx}dma8=$dma8"
                        ac_try_capture $card $d $ac_opts >/dev/null 2>&1 && return 0
                    done
                done
                # return anyway here..
                return 0
            fi
        done
        ;;
    esac
    return 1
}

function ac_try_card_es1688 () {
    card=es1688
    opts=""
    irq_list=`check_irq_avail 5 9 10 7`
    for dma8 in `check_dma_avail 1 3 0`; do
        opts="${mpfx}dma8=$dma8 ${mpfx}mpu_irq=-1"
        ac_try_irq $card "$opts" $irq_list && return 0
    done
    return 1
}

function ac_try_card_es18xx () {
    card=es18xx
    opts=`ac_check_option $card ${mpfx}isapnp 0`
    ac_try_dmas $card "$opts" `check_irq_avail 5 9 10 7` && return 0
    return 1
}

function ac_try_card_cs4236 () {
    card=cs4236
    irq_list=`check_irq_avail 5 7 9 11 12 15`
    isapnp=`ac_check_option $card ${mpfx}isapnp 0`
    for port in 0x530 0x534; do
        opts="${mpfx}port=$port ${mpfx}cport=0x538 $isapnp"
        ac_try_dmas $card "$opts" $irq_list && return 0
    done
    return 1
}

function ac_try_card_cs4232 () {
    card=cs4232
    irq_list=`check_irq_avail 5 7 9 11 12 15`
    isapnp=`ac_check_option $card ${mpfx}isapnp 0`
    for port in 0x530 0x534; do
        opts="${mpfx}port=$port ${mpfx}cport=0x538 $isapnp"
        ac_try_dmas $card "$opts" $irq_list && return 0
    done
    return 1
}

function ac_try_card_cs4231 () {
    card=cs4231
    irq_list=`check_irq_avail 5 7 9 11 12 15`
    for port in 0x530 0x534; do
        opts="${mpfx}port=$port"
        ac_try_dmas $card "$opts" $irq_list && return 0
    done
    return 1
}

function ac_try_card_opl3sa2 () {
    card=opl3sa2
    irq_list=`check_irq_avail 5 9 3 1 11 12 15 0`
    isapnp=`ac_check_option $card ${mpfx}isapnp 0`
    for port in 0x370 0x538 0xf86 0x100; do
        for wss_port in 0x530 0xe80 0xf40 0x604; do
            opts="${mpfx}fm_port=-1 ${mpfx}midi_port=-1 ${mpfx}port=$port 
${mpfx}wss_port=$wss_port $isapnp"
            ac_try_dmas $card "$opts" $irq_list && return 0
        done
    done
    return 1
}

function ac_config_legacy () {

    $DIALOG --title "WARNING" --yesno "
   Probing legacy ISA cards might make
   your system unstable.

        Are you sure to proceed?

" 10 50 || acex 0

    if [ x"$1" = x ]; then
        probe_list="opl3sa2 cs4236 cs4232 cs4231 es18xx es1688 sb16 sb8"
    else
        probe_list=$*
    fi
    menu_args=()

    for card in $probe_list; do
        cardname=`/sbin/modinfo -d snd-$card | sed -e 's/^\"\(.*\)\"$/\1/g'`
        if [ x"$cardname" != x ]; then
            menu_args=("${menu_args[@]}" "$card" "$cardname" "on")
        fi
    done
    if [ x$menu_args = x ]; then
        $DIALOG --msgbox "No legacy drivers are available
   for your machine" 5 50
        return 1
    fi
    $DIALOG --title "Driver Selection" --checklist \
"           Probing legacy ISA cards

        Please select the drivers to probe:" \
        17 64 8 "${menu_args[@]}" 2> $FOUND || acex 0

    if [ $try_all_combination != 1 ]; then
        if $DIALOG --yesno "
 Shall I try all possible DMA and IRQ combinations?
 With this option, some unconventional configuration
 might be found, but it will take much longer time." 10 60
            then
            try_all_combination=1
        fi
    fi

    echo "Probing legacy cards..   This may take a few minutes.."
    echo -n "Probing: "
    cards=`cat $FOUND | tr -d \"`
    for card in $cards; do
        echo -n " $card"
        ac_opts=""
        if eval ac_try_card_$card ; then
            echo ' : FOUND!!'
            ac_config_card $card $ac_opts
            return 0
        fi
    done
    echo
    $DIALOG --title "Result" --msgbox "No legacy cards found" 5 50
    return 1
}

#
# main part continued..
#

if [ x"$legacy_probe_card" != x ]; then
    ac_opts=""
    if eval ac_try_card_$legacy_probe_card >/dev/null 2>&1; then
        echo "$ac_opts"
        exit 0
    else
        echo "FAILED"
        exit 1
    fi
fi

intro

if [ $do_legacy_only = 1 ]; then
    ac_config_legacy
    exit 0
fi
    
probe_cards

devs_found=()

if [ -s "$FOUND" ]; then
    while read dev card ; do
        /sbin/modprobe -a -l | grep $card'\.o' >/dev/null 2>&1 || continue
        cardname=`find_device_name $dev`
        if [ -z "$cardname" ]; then
            cardname="$card"
        fi
        card=${card##snd-}
        devs_found=("${devs_found[@]}" "$card" "$cardname")
    done <"$FOUND"
fi
if [ x$devs_found != x ]; then
    #
    # check for TP600E
    #
    if [ ${devs_found[0]} = cs46xx ]; then
        if /sbin/lspci -nv | grep -q "Subsystem: 1014:1010"; then
            if $DIALOG --yesno "
 Looks like you having a Thinkpad 600E notebook.
 On this notebook, CS4236 driver should be used
 although CS46xx chip is detected.

 Shall I try to snd-cs4236 driver and probe
 the legacy ISA configuration?" 13 60
            then
                try_all_combination=1
                ac_config_legacy cs4236
                exit 0
            fi
        fi
    fi
   
    devs_found=("${devs_found[@]}" "legacy" "Probe legacy ISA (non-PnP) chips")
    $DIALOG --title "Soundcard Selection" --menu "
         Following card(s) are found on your system.
         Choose a soundcard to configure:
" 17 76 8 "${devs_found[@]}" 2> $FOUND || acex 0
    card=`head -1 $FOUND`
    if [ "$card" = "legacy" ]; then
        ac_config_legacy
    else
        ac_config_card "$card"
    fi
    exit 0
else
    if $DIALOG --yesno "
        No supported PnP or PCI card found.

 Would you like to probe legacy ISA sound cards/chips?

" 9 60 ; then
        ac_config_legacy
        exit 0
    fi
fi

rm -f "$FOUND" "$DUMP"
exit 0



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