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

/*
 * Copyright (c) 1982, 1990, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * %sccs.include.redist.c%
 *
 *      @(#)fhpibreg.h  8.1 (Berkeley) %G%
 */

#include <hp/dev/iotypes.h>     /* XXX */

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