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Annotation of sys/arch/hp300/dev/apcireg.h, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: apcireg.h,v 1.2 1997/07/06 08:01:45 downsj Exp $      */
        !             2: /*     $NetBSD: apcireg.h,v 1.2 1997/05/12 08:14:01 thorpej Exp $      */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1997 Michael Smith.  All rights reserved.
        !             6:  *
        !             7:  * Redistribution and use in source and binary forms, with or without
        !             8:  * modification, are permitted provided that the following conditions
        !             9:  * are met:
        !            10:  * 1. Redistributions of source code must retain the above copyright
        !            11:  *    notice, this list of conditions and the following disclaimer.
        !            12:  * 2. Redistributions in binary form must reproduce the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer in the
        !            14:  *    documentation and/or other materials provided with the distribution.
        !            15:  *
        !            16:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
        !            17:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            18:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            19:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
        !            20:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            21:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            22:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            23:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            24:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            25:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            26:  * SUCH DAMAGE.
        !            27:  */
        !            28:
        !            29: #include <hp300/dev/iotypes.h>
        !            30:
        !            31: struct apciregs {
        !            32:        vu_char         ap_data;
        !            33:        u_char          pad0[3];
        !            34:        vu_char         ap_ier;
        !            35:        u_char          pad1[3];
        !            36:        vu_char         ap_iir;
        !            37: #define        ap_fifo ap_iir
        !            38:        u_char          pad2[3];
        !            39:        vu_char         ap_cfcr;
        !            40:        u_char          pad3[3];
        !            41:        vu_char         ap_mcr;
        !            42:        u_char          pad4[3];
        !            43:        vu_char         ap_lsr;
        !            44:        u_char          pad5[3];
        !            45:        vu_char         ap_msr;
        !            46:        u_char          pad6[3];
        !            47:        vu_char         ap_scratch;
        !            48: };
        !            49:
        !            50: /* max number of apci ports */
        !            51: #define        APCI_MAXPORT    4
        !            52:
        !            53: /*
        !            54:  * baudrate divisor calculations.
        !            55:  *
        !            56:  * The input clock frequency appears to be 8.0064MHz, giving a scale
        !            57:  * factor of 500400.  (Using exactly 8MHz gives framing errors with
        !            58:  * the Apollo keyboard.)
        !            59:  */
        !            60: #define        APCIBRD(x)      (500000 / (x))