Add manual page for snd_atiixp(4) and hook it up to the build.

Reviewed by:	ru

share/man/man4/Makefile

@@ -278,6 +278,7 @@ MAN=	aac.4 \
 	sn.4 \
 	snd_ad1816.4 \
 	snd_als4000.4 \
+	snd_atiixp.4 \
 	snd_cmi.4 \
 	snd_cs4281.4 \
 	snd_csa.4 \

share/man/man4/snd_atiixp.4

@@ -0,0 +1,89 @@
+.\" Copyright (c) 2005 Joel Dahl
+.\" 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 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
+.\" 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 November 28, 2005
+.Dt SND_ATIIXP 4
+.Os
+.Sh NAME
+.Nm snd_atiixp
+.Nd "ATI IXP bridge 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_atiixp"
+.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_atiixp_load="YES"
+.Ed
+.Sh DESCRIPTION
+The
+.Nm
+bridge driver allows the generic audio driver,
+.Xr sound 4 ,
+to attach to ATI IXP audio devices.
+This driver supports 16bit playback and recording, and 32bit native playback.
+.Sh HARDWARE
+The
+.Nm
+driver supports the following audio chipsets:
+.Pp
+.Bl -bullet -compact
+.It
+ATI IXP 200
+.It
+ATI IXP 300
+.It
+ATI IXP 400
+.El
+.Sh SEE ALSO
+.Xr sound 4
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Fx 6.1 .
+.Sh AUTHORS
+This manual page was written by
+.An Joel Dahl Aq joel@FreeBSD.org .
+.Sh BUGS
+The
+.Nm
+driver
+does not support S/PDIF, but implementing it should be fairly easy if the
+right hardware is available.
+.Pp
+Suspend and resume is not implemented yet.
+.Pp
+32bit recording is broken.
+Perhaps this hardware cannot do 32bit recording at all.
+If this is true, we can disable it entirely within the driver someday in the
+future.