/share/man/man4/man4.powerpc/snd_ai2s.4
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- .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 sound 4 ,
- .Xr snd_davbus 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 tsubai@netbsd.org ,
- and ported to FreeBSD by
- .An Marco Trillo
- .Aq marcotrillo@gmail.com .
- .Sh BUGS
- Recording and operation with non-44.1 Khz audio are not currently supported.