snd_gusc(4)
NAME
snd_gusc - Gravis UltraSound ISA bridge device driver
SYNOPSIS
To compile this driver into the kernel, place the following
lines in your
kernel configuration file:
device sound
device snd_gusc
Alternatively, to load the driver as a module at boot time,
place the
following line in loader.conf(5):
snd_gusc_load="YES"
Non-PnP cards require the following lines in de
vice.hints(5):
hint.gusc.0.at="isa"
hint.gusc.0.port="0x220"
hint.gusc.0.irq="5"
hint.gusc.0.drq="1"
hint.gusc.0.flags="0x13"
DESCRIPTION
- The snd_gusc bridge driver allows the generic audio drivers
- including
sound(4) to attach to Gravis UltraSound sound cards. - The value of flags specifies the secondary DMA channel. If
- the secondary
DMA channel is C, set the flags to (C | 0x10). For a sound - card without
the secondary DMA channel, the flags should be set to zero.
HARDWARE
The snd_gusc driver supports the following sound cards:
+o Gravis UltraSound MAX
+o Gravis UltraSound PnP
DIAGNOSTICS
- xxx: gus pcm not attached, out of memory There are not
- enough memory to
drive the device.
SEE ALSO
HISTORY
The snd_gusc device driver first appeared in FreeBSD 4.0.
AUTHORS
Ville-Pertti Keinonen <will@iki.fi>
Seigo Tanimura <tanimura@r.dl.itc.u-tokyo.ac.jp>
BUGS
- Recording pcm sound data is not supported yet.
- BSD December 15, 2005