Driver for the TURBOchannel alpha baseboard audio. Ported from NetBSD, with

changes to allow using non-native encodings, and alpha specific code to try
and avoid doing 8 bit memory access.
Tested on 3000/300LX, deaf testing on 3000/600.

2 files changed, 55 insertions, 2 deletions

diff --git a/share/man/man4/man4.alpha/Makefile b/share/man/man4/man4.alpha/Makefile
index 5935242505f..9ecfae84b13 100644
--- a/share/man/man4/man4.alpha/Makefile
+++ b/share/man/man4/man4.alpha/Makefile
@@ -1,6 +1,6 @@
-#	$OpenBSD: Makefile,v 1.16 2007/03/16 21:33:30 robert Exp $
+#	$OpenBSD: Makefile,v 1.17 2011/09/04 20:10:16 miod Exp $
 
-MAN=	apecs.4 asc.4 autoconf.4 cia.4 intro.4 irongate.4 \
+MAN=	apecs.4 asc.4 autoconf.4 bba.4 cia.4 intro.4 irongate.4 \
 	lca.4 le.4 mem.4 mcbus.4 mcpcia.4 scc.4 tcasic.4 \
 	tga.4 tsc.4
 MLINKS=	mem.4 kmem.4 \
diff --git a/share/man/man4/man4.alpha/bba.4 b/share/man/man4/man4.alpha/bba.4
new file mode 100644
index 00000000000..70426ba65f9
--- /dev/null
+++ b/share/man/man4/man4.alpha/bba.4
@@ -0,0 +1,53 @@
+.\" $OpenBSD: bba.4,v 1.1 2011/09/04 20:10:16 miod Exp $
+.\" $NetBSD: bba.4,v 1.7 2008/04/30 13:10:53 martin Exp $
+.\"
+.\" Copyright (c) 2000 The NetBSD Foundation, Inc.
+.\" 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+.\"
+.Dd $Mdocdate: September 4 2011 $
+.Dt BBA 4 alpha
+.Os
+.Sh NAME
+.Nm bba
+.Nd IOASIC Baseboard Audio device driver
+.Sh SYNOPSIS
+.Cd "bba0   at ioasic?"
+.Cd "audio* at bba?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for the IOASIC baseboard audio found on
+DEC 3000 systems.
+The baseboard audio driver is based on the AMD 79c30 ISDN and audio interface.
+The interface is only capable of playing and recording 8kHz mu-law audio.
+.Sh SEE ALSO
+.Xr audio 4 ,
+.Xr intro 4
+.\" .Xr ioasic 4
+.\" .Sh HISTORY
+.\" The
+.\" .Nm
+.\" device driver appeared in
+.\" .Nx 1.5 .
+.\" The name for the driver was adopted from the same driver in ULTRIX.