Add basic man page for emdtv(4).

Not hooked to the build yet so that the driver authors can verify and
improve it.

share/man/man4/emdtv.4

@@ -0,0 +1,72 @@
+.\" $NetBSD: emdtv.4,v 1.1 2011/08/13 22:18:31 wiz Exp $
+.\"
+.\" Copyright (c) 2011 The NetBSD Foundation, Inc.
+.\" All rights reserved.
+.\"
+.\" This code is derived from software contributed to The NetBSD Foundation
+.\" by Thomas Klausner.
+.\"
+.\" 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 August 13, 2011
+.Dt EMDTV 4
+.Os
+.Sh NAME
+.Nm emdtv
+.Nd digital video driver for Empia Technology EM28xx based cards
+.Sh SYNOPSIS
+.Cd "emdtv* at uhub?"
+.Sh DESCRIPTION
+The
+.Nm
+driver provides support for digital video cards based on the
+Empia Technology EM28xx series of DTV interface chips (in particular,
+the EM2883).
+This chip is used in USB products.
+.Pp
+Supported cards include:
+.Bl -bullet -offset indent
+.It
+ATI/AMD TV Wonder 600 USB
+.\".It
+.\"Empia Hybrid XS ATSC
+.It
+Pinnacle PCTV HD Pro Stick (800e)
+.El
+.Sh SEE ALSO
+.Xr dtv 4 ,
+.Xr usb 4
+.Sh HISTORY
+The
+.Nm
+device driver first appeared in
+.Nx 6.0 .
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm
+driver was written by
+.An Jared D. McNeill
+.Aq jmcneill@NetBSD.org
+and
+.An Jonathan A. Kollasch
+.Aq jakllsch@NetBSD.org .