/*      $NetBSD: apcireg.h,v 1.2 2005/12/11 12:17:19 christos Exp $     */

/*
* Copyright (c) 1997 Michael Smith.  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 AUTHOR 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 AUTHOR 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.
*/

#include <hp300/dev/iotypes.h>

struct apciregs {
       vu_char         ap_data;
       u_char          pad0[3];
       vu_char         ap_ier;
       u_char          pad1[3];
       vu_char         ap_iir;
#define ap_fifo ap_iir
       u_char          pad2[3];
       vu_char         ap_cfcr;
       u_char          pad3[3];
       vu_char         ap_mcr;
       u_char          pad4[3];
       vu_char         ap_lsr;
       u_char          pad5[3];
       vu_char         ap_msr;
       u_char          pad6[3];
       vu_char         ap_scratch;
};

/* max number of apci ports */
#define APCI_MAXPORT    4

/*
* baudrate divisor calculations.
*
* The input clock frequency appears to be 8.0064MHz, giving a scale
* factor of 500400.  (Using exactly 8MHz gives framing errors with
* the Apollo keyboard.)
*/
#define APCIBRD(x)      (500000 / (x))