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+.\" $NetBSD: mfp.4,v 1.11 2017/02/18 22:39:01 wiz Exp $
+.\"
+.\" Copyright (c) 1998 MINOURA Makoto
+.\" Copyright (c) 1998 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.
+.\" 3. All advertising materials mentioning features or use of this software
+.\" must display the following acknowledgement:
+.\" This product includes software developed by Minoura Makoto.
+.\" 4. The name of the author may not be used to endorse or promote products
+.\" derived from this software without specific prior written permission
+.\"
+.\" 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.
+.\"
+.Dd February 17, 2017
+.Dt MFP 4 x68k
+.Os
+.Sh NAME
+.Nm mfp
+.Nd X68K Multi-function Peripherals
+.Sh SYNOPSIS
+.Cd mfp0 at intio0 addr 0xe88000 size 0x2000 intr 64
+.Sh DESCRIPTION
+.Nm
+drives Motorola MC68901 MFP (Multi-function Peripheral).
+.Nm
+driver is always required to run the
+.Nx Ns /x68k
+kernel, because it is connected to important devices such as
+the display controller, and provides fundamental functions
+like the system clock tick and interrupt controller.
+Since
+.Nm
+provides many functions, most of the jobs as a
+device driver is done by its child drivers such as
+.Xr kbd 4
+and
+.Xr clock 4 .
+.Nm
+driver itself only provides the common way to access its
+registers and a few utility functions for other non-child drivers.
+.Sh SEE ALSO
+.Xr clock 4 ,
+.Xr kbd 4 ,
+.Xr x68k/intro 4
+.Sh BUGS
+Machine-dependent part and machine-independent part should be split.