freebsd-skq/share/man/man4/snd_gusc.4
Kazutaka YOKOTA 547d4262b2 Update man pages in the section 4 to match the reality in -CURRENT.
- Change lines referring to kernel configuration file:
        device foo0 at isa port xxx irq yyy...
  to
        device foo
  Describe resource "hints" in /boot/device.hints.

- Try to describe resource allocation and probe/attach behavior in the
  newbus framework.
2001-10-13 09:08:37 +00:00

79 lines
2.5 KiB
Groff

.\"
.\" Copyright (c) 1999 Seigo Tanimura
.\" All rights reserved.
.\"
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.\" modification, are permitted provided that the following conditions
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.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" $FreeBSD$
.\"
.Dd December 18, 1999
.Dt GUSC 4
.Os
.Sh NAME
.Nm gusc
.Nd Gravis UltraSound ISA bridge device driver
.Sh SYNOPSIS
.Cd "device pcm"
.Cd "device gusc"
.Pp
For non-PnP cards, add the following lines in
.Pa /boot/device.hints .
.Cd hint.gusc.0.at="isa"
.Cd hint.gusc.0.port="0x220"
.Cd hint.gusc.0.irq="5"
.Cd hint.gusc.0.drq="1"
.Cd hint.gusc.0.flags="0x13"
.Sh DESCRIPTION
The
.Nm
bridge driver allows the generic audio drivers including
.Xr pcm 4
to attach to the following ISA sound cards:
.Bl -bullet -width 2m
.It
Gravis UltraSound PnP
.It
Gravis UltraSound MAX
.El
.Pp
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.
.Sh DIAGNOSTICS
.Bl -diag
.It xxx: gus pcm not attached, out of memory
There are not enough memory to drive the device.
.El
.Sh HISTORY
The
.Nm
device driver first appeared in
.Fx 4.0 .
.Sh SEE ALSO
.Xr pcm 4
.Sh AUTHORS
.An Ville-Pertti Keinonen Aq will@iki.fi
.An Seigo Tanimura Aq tanimura@r.dl.itc.u-tokyo.ac.jp
.Sh BUGS
Recording pcm sound data is not supported yet.