89 lines
2.6 KiB
Groff
89 lines
2.6 KiB
Groff
.\"-
|
|
.\" Copyright (c) 2009 Nathan Whitehorn <nwhitehorn@FreeBSD.org>
|
|
.\" All rights reserved.
|
|
.\"
|
|
.\" Redistribution and use in source and binary forms, with or without
|
|
.\" modification, are permitted provided that the following conditions
|
|
.\" are met:
|
|
.\" 1. Redistributions of source code must retain the above copyright
|
|
.\" 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 ``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 BE LIABLE FOR ANY DIRECT,
|
|
.\" INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
.\" (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
.\" SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
.\" ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
.\" POSSIBILITY OF SUCH DAMAGE.
|
|
.\"
|
|
.\" $FreeBSD$
|
|
.\"
|
|
.Dd January 20, 2009
|
|
.Dt SND_AI2S 4
|
|
.Os
|
|
.Sh NAME
|
|
.Nm snd_ai2s
|
|
.Nd "Apple I2S audio device driver"
|
|
.Sh SYNOPSIS
|
|
To compile this driver into the kernel,
|
|
place the following lines in your
|
|
kernel configuration file:
|
|
.Bd -ragged -offset indent
|
|
.Cd "device sound"
|
|
.Cd "device snd_ai2s"
|
|
.Ed
|
|
.Pp
|
|
Alternatively, to load the driver as a
|
|
module at boot time, place the following line in
|
|
.Xr loader.conf 5 :
|
|
.Bd -literal -offset indent
|
|
snd_ai2s_load="YES"
|
|
.Ed
|
|
.Sh DESCRIPTION
|
|
The
|
|
.Nm
|
|
driver provides support for the Apple I2S audio controllers found
|
|
predominantly in G4 and G5 machines, along with the snapper and tumbler
|
|
codecs. Some machines (e.g. the Mac Mini) do not have configurable
|
|
codecs and so lack hardware volume control.
|
|
.Sh HARDWARE
|
|
Chips supported by the
|
|
.Nm
|
|
driver include:
|
|
.Pp
|
|
.Bl -bullet -compact
|
|
.It
|
|
Apple Tumbler Audio
|
|
.It
|
|
Apple Snapper Audio
|
|
.El
|
|
.Sh SEE ALSO
|
|
.Xr snd_davbus 4 ,
|
|
.Xr sound 4
|
|
.Sh HISTORY
|
|
The
|
|
.Nm
|
|
device driver appeared in
|
|
.Nx 2.0
|
|
and then in
|
|
.Fx 8.0 .
|
|
.Sh AUTHORS
|
|
.An -nosplit
|
|
The
|
|
.Nm
|
|
driver was written by
|
|
.An Tsubai Masanari Aq Mt tsubai@netbsd.org ,
|
|
and ported to
|
|
.Fx
|
|
by
|
|
.An Marco Trillo Aq Mt marcotrillo@gmail.com .
|
|
.Sh BUGS
|
|
Recording and operation with non-44.1 Khz audio are not currently supported.
|