1/*	$NetBSD: apcireg.h,v 1.1.4.3 2004/09/21 13:15:27 skrll Exp $	*/
2
3/*
4 * Copyright (c) 1997 Michael Smith.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <hp300/dev/iotypes.h>
29
30struct apciregs {
31	vu_char		ap_data;
32	u_char		pad0[3];
33	vu_char		ap_ier;
34	u_char		pad1[3];
35	vu_char		ap_iir;
36#define	ap_fifo	ap_iir
37	u_char		pad2[3];
38	vu_char		ap_cfcr;
39	u_char		pad3[3];
40	vu_char		ap_mcr;
41	u_char		pad4[3];
42	vu_char		ap_lsr;
43	u_char		pad5[3];
44	vu_char		ap_msr;
45	u_char		pad6[3];
46	vu_char		ap_scratch;
47};
48
49/* max number of apci ports */
50#define	APCI_MAXPORT	4
51
52/*
53 * baudrate divisor calculations.
54 *
55 * The input clock frequency appears to be 8.0064MHz, giving a scale
56 * factor of 500400.  (Using exactly 8MHz gives framing errors with
57 * the Apollo keyboard.)
58 */
59#define	APCIBRD(x)	(500000 / (x))
60