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