usr/src/sys/hp300/dev/fhpibreg.h

/*
 * Copyright (c) 1982, 1990 The Regents of the University of California.
 * 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 the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
 *
 *      @(#)fhpibreg.h  7.1 (Berkeley) 5/8/90
 */

#define vu_char volatile u_char

struct  fhpibdevice {
        u_char  hpib_pad0;
        vu_char hpib_cid;
        u_char  hpib_pad1;
#define hpib_ie         hpib_ids
        vu_char hpib_ids;
        u_char  hpib_pad2;
        vu_char hpib_ctrl2;
        u_char  hpib_pad3;
        vu_char hpib_latch;
        u_char  hpib_pad4[9];
        vu_char hpib_intr;
        u_char  hpib_pad5;
        vu_char hpib_imask;
        u_char  hpib_pad6;
        vu_char hpib_data;
        u_char  hpib_pad7;
        vu_char hpib_stat;
        u_char  hpib_pad8;
        vu_char hpib_cmd;
        u_char  hpib_pad9;
        vu_char hpib_ar;
        u_char  hpib_pad10;
        vu_char hpib_pmask;
        u_char  hpib_pad11;
        vu_char hpib_psense;
};

/* status bits */
#define ST_READ0        0xC0
#define ST_READ1        0x80
#define ST_IENAB        0x80
#define ST_EOI          0x80
#define ST_ATN          0x40
#define ST_WRITE        0x00

/* control bits */
#define CT_8BIT         0x80
#define CT_REN          0x20
#define CT_IFC          0x10
#define CT_FIFOSEL      0x02
#define CT_INITFIFO     0x01

#define IM_PABORT       0x40
#define IM_PPRESP       0x20
#define IM_ROOM         0x08
#define IM_BYTE         0x04
#define IM_IDLE         0x02

#define AR_ARONC        0x80