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#!/bin/bash
MAJOR=116
OSSMAJOR=14
MAX_CARDS=4
PERM=666
STATIC=1
OWNER=root.root
if [ "`grep -w -E "^audio" /etc/group`x" != x ]; then
PERM=660
OWNER=root.audio
fi
function create_odevice () {
rm -f $1
echo -n "Creating $1..."
mknod -m $PERM $1 c $OSSMAJOR $2
chown $OWNER $1
echo " done"
}
function create_odevices () {
tmp=0
tmp1=0
rm -f $1 $1?
echo -n "Creating $1?..."
while [ $tmp1 -lt $MAX_CARDS ]; do
minor=$[ $2 + $tmp ]
mknod -m $PERM $1$tmp1 c $OSSMAJOR $minor
chown $OWNER $1$tmp1
tmp=$[ $tmp + 16 ]
tmp1=$[ $tmp1 + 1 ]
done
echo " done"
}
function create_device1 () {
rm -f $1
minor=$2
echo -n "Creating $1..."
mknod -m $PERM $1 c $MAJOR $minor
chown $OWNER $1
echo " done"
}
function create_devices () {
tmp=0
rm -f $1 $1?
echo -n "Creating $1?..."
while [ $tmp -lt $MAX_CARDS ]; do
minor=$[ $tmp * 32 ]
minor=$[ $2 + $minor ]
mknod -m $PERM "${1}C${tmp}" c $MAJOR $minor
chown $OWNER "${1}C${tmp}"
tmp=$[ $tmp + 1 ]
done
echo " done"
}
function create_devices2 () {
tmp=0
rm -f $1 $1?
echo -n "Creating $1??..."
while [ $tmp -lt $MAX_CARDS ]; do
tmp1=0
while [ $tmp1 -lt $3 ]; do
minor=$[ $tmp * 32 ]
minor=$[ $2 + $minor + $tmp1 ]
mknod -m $PERM "${1}C${tmp}D${tmp1}" c $MAJOR $minor
chown $OWNER "${1}C${tmp}D${tmp1}"
tmp1=$[ $tmp1 + 1 ]
done
tmp=$[ $tmp + 1 ]
done
echo " done"
}
if test "$1" = "-?" || test "$1" = "-h" || test "$1" = "--help"; then
echo "Usage: snddevices [max]"
exit
fi
if test "$1" = "max"; then
DSP_MINOR=19
fi
# OSS (Lite) compatible devices...
if test $OSSMAJOR -eq 14; then
create_odevices /dev/mixer 0
create_odevice /dev/sequencer 1
create_odevices /dev/midi 2
create_odevices /dev/dsp 3
create_odevices /dev/audio 4
create_odevice /dev/sndstat 6
create_odevice /dev/music 8
create_odevices /dev/dmmidi 9
create_odevices /dev/dmfm 10
create_odevices /dev/amixer 11 # alternate mixer
create_odevices /dev/adsp 12 # alternate dsp
create_odevices /dev/amidi 13 # alternate midi
create_odevices /dev/admmidi 14 # alternate direct midi
# create symlinks
ln -svf /dev/mixer0 /dev/mixer
ln -svf /dev/midi0 /dev/midi
ln -svf /dev/dsp0 /dev/dsp
ln -svf /dev/audio0 /dev/audio
ln -svf /dev/music /dev/sequencer2
ln -svf /dev/adsp0 /dev/adsp
ln -svf /dev/amidi0 /dev/amidi
fi
# New devices (obsolete now)...
mv -f /dev/sndstat /dev/1sndstat
rm -f /dev/snd*
mv -f /dev/1sndstat /dev/sndstat
if [ -d /dev/snd ]; then
rm -f /dev/snd/*
rmdir /dev/snd
fi
if [ $STATIC -gt 0 ]; then
mkdir -p /dev/snd
create_devices /dev/snd/control 0
create_device1 /dev/snd/seq 1
create_devices2 /dev/snd/hw 2 4
create_devices2 /dev/snd/mixer 6 2
create_devices2 /dev/snd/pcm 16 16
create_devices2 /dev/snd/midi 8 4
fi
# New dynamic sound device filesystem
if [ $STATIC -le 0 ]; then
echo "ALSA dynamic sound device filesystem"
ln -sfv /proc/asound/dev /dev/snd
fi
# Loader devices
echo "ALSA loader devices"
rm -f /dev/aload*
create_devices /dev/aload 0
create_device1 /dev/aloadSEQ 1
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