alsaconf.in

alsa-utils-1.0.14编译声卡驱动所需要的一些文件源码

# check playback
# return 0 - OK, 1 - NG, 2 - not working (irq/dma problem)
ac_try_load () {
    test -n "$LOGFILE" && echo "$1 ${*:2}" >> "$LOGFILE"
    /sbin/modprobe snd-$1 ${*:2} >/dev/null 2>&1
    if $lsmod | grep -q -E '^(snd-|snd_)'$1' '; then
	: ;
    else
	/sbin/modprobe -r snd-$1 >/dev/null 2>&1
	return 1
    fi

    # 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 -N -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 $pp > /dev/null 2>&1
    st=$?
    ac_cardname=`head -n 1 $PROCFS/asound/cards | sed -e 's/^[0-9].* - \(.*\)$/\1/'`
    /sbin/modprobe -r snd-$1 >/dev/null 2>&1
    if [ $st = 0 ]; then
	# irq problem?
	test -n "$LOGFILE" && echo "no playback return" >> "$LOGFILE"
	return 2
    else
	# seems ok!
	test -n "$LOGFILE" && 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
ac_try_capture () {
    test -n "$LOGFILE" && echo "$1 ${*:2}" >> "$LOGFILE"
    /sbin/modprobe snd-$1 ${*:3} >/dev/null 2>&1
    if $lsmod | grep -q -E '^(snd-|snd_)'$1' '; then
	: ;
    else
	/sbin/modprobe -r snd-$1 >/dev/null 2>&1
	return 1
    fi

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

    play_pid=0
    if [ $2 = yes ]; then
	# try duplex - start dummy playing
	aplay -N -r8000 -fS16_LE -traw -c1 < /dev/zero > /dev/null 2>&1 &
	play_pid=$!
    fi
    # record 1sec
    arecord -N -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 -r snd-$1 >/dev/null 2>&1
    if [ $st = 0 ]; then
	test -n "$LOGFILE" && echo "capture no return" >> "$LOGFILE"
	return 2
    else
	test -n "$LOGFILE" && echo "capture OK" >> "$LOGFILE"
	return 0
    fi
}

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?)
#
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
#
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 [ $result = 0 ]; then
		    test -n "$LOGFILE" && 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
ac_check_option () {
    if /sbin/modinfo -p snd-$1 | grep -q $2; then
      echo "$2=$3"
    fi
}

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
}

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
}

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
}

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
}

ac_try_card_cs4236 () {
    card=cs4236
    irq_list=`check_irq_avail 5 7 9 11 12 15`
    isapnp=`ac_check_option $card ${mpfx}isapnp 0`
    for cport in 0x538 0x210 0xf00; do
	for port in 0x530 0x534; do
	    opts="${mpfx}port=$port ${mpfx}cport=$cport $isapnp"
	    ac_try_dmas $card "$opts" $irq_list && return 0
	done
    done
    return 1
}

ac_try_card_cs4232 () {
    card=cs4232
    irq_list=`check_irq_avail 5 7 9 11 12 15`
    isapnp=`ac_check_option $card ${mpfx}isapnp 0`
    for cport in 0x538 0x210 0xf00; do
	for port in 0x530 0x534; do
	    opts="${mpfx}port=$port ${mpfx}cport=$cport $isapnp"
	    ac_try_dmas $card "$opts" $irq_list && return 0
	done
    done
    return 1
}

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
}

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
}

ac_config_legacy () {
   title=$(gettext "WARNING")
   msg=$(gettext "
   Probing legacy ISA cards might make
   your system unstable.

        Do you want to proceed?

")
    $DIALOG --title "$title" --yesno "$msg" 10 50 || acex 0

    if [ x"$1" = x ]; then
	probe_list="$LEGACY_CARDS"
    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
	msg=$(gettext "No legacy drivers are available
   for your machine")
	$DIALOG --msgbox "$msg" 5 50
	return 1
    fi
    title=$(gettext "Driver Selection")
    msg=$(gettext "           Probing legacy ISA cards

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

    if [ $try_all_combination != 1 ]; then
	msg=$(gettext "
 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.")
	if $DIALOG --yesno "$msg" 10 60
	    then
	    try_all_combination=1
	fi
    fi

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

#
# main part continued..
#

if test -n "$LOGFILE" ; then
    touch "$LOGFILE"
    echo -n "Starting alsaconf: " >> "$LOGFILE"
    date >> "$LOGFILE"
fi

if [ x"$legacy_probe_card" != x ]; then
    ac_opts=""
    if eval ac_try_card_$legacy_probe_card >/dev/null 2>&1; then
	echo "$ac_opts"
	echo "$ac_cardname"
	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=()
devs_olist=""

if [ -s "$FOUND" ]; then
    while read dev card ; do
	MODDIR=/lib/modules/`uname -r`
	find $MODDIR -type f | grep -q -E $card'\.(o|ko)' || continue
	cardname=`find_device_name $dev | cut -c 1-64`
	if [ -z "$cardname" ]; then
	    cardname="$card"
	fi
	card=${card##snd-}
	devs_found=("${devs_found[@]}" "$card" "$cardname")
	devs_devs=("${devs_devs[@]}" "$card" "$dev")
    done <"$FOUND"
    devs_olist=`cat $FOUND`
fi
if [ x$devs_found != x ]; then
    #
    # check for TP600E
    #
    if [ ${devs_found[0]} = cs46xx ]; then
	if $lspci -nv 2>/dev/null| grep -q "Subsystem: 1014:1010"; then
	    msg=$(gettext "
 Looks like you having a Thinkpad 600E or 770 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?")
	    if $DIALOG --yesno "$msg" 13 60
	    then
		try_all_combination=1
		ac_config_legacy cs4236
		exit 0
	    fi
	elif $lspci -nv 2>/dev/null| grep -q "Subsystem: 8086:8080"; then
	    msg=$(gettext "
 Looks like you having a Dell Dimension machine.
 On this machine, CS4232 driver should be used
 although CS46xx chip is detected.

 Shall I try to snd-cs4232 driver and probe
 the legacy ISA configuration?")
	    if $DIALOG --yesno "$msg" 13 60
	    then
		try_all_combination=1
		ac_config_legacy cs4232
		exit 0
	    fi
        fi	
    fi
   
    devs_found=("${devs_found[@]}" "legacy" "Probe legacy ISA (non-PnP) chips")
    title=$(gettext "Soundcard Selection")
    msg=$(gettext "
         Following card(s) are found on your system.
         Choose a soundcard to configure:
")
    $DIALOG --title "$title" --menu "$msg" 17 76 8 "${devs_found[@]}" 2> $FOUND || acex 0
    card=`head -n 1 $FOUND`
    if [ "$card" = "legacy" ]; then
	ac_config_legacy
    else
	ac_config_card "$card"
    fi
    exit 0
else
    msg=$(gettext "
        No supported PnP or PCI card found.

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

")
    if $DIALOG --yesno "$msg" 9 60 ; then
	ac_config_legacy
	exit 0
    fi
fi

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