89 lines
2.9 KiB
C
89 lines
2.9 KiB
C
/*
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* Copyright (c) 1982, 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: @(#)fhpibreg.h 7.1 (Berkeley) 5/8/90
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* $Id: fhpibreg.h,v 1.2 1993/08/01 19:24:07 mycroft Exp $
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*/
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#define vu_char volatile u_char
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struct fhpibdevice {
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u_char hpib_pad0;
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vu_char hpib_cid;
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u_char hpib_pad1;
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#define hpib_ie hpib_ids
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vu_char hpib_ids;
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u_char hpib_pad2;
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vu_char hpib_ctrl2;
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u_char hpib_pad3;
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vu_char hpib_latch;
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u_char hpib_pad4[9];
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vu_char hpib_intr;
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u_char hpib_pad5;
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vu_char hpib_imask;
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u_char hpib_pad6;
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vu_char hpib_data;
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u_char hpib_pad7;
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vu_char hpib_stat;
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u_char hpib_pad8;
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vu_char hpib_cmd;
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u_char hpib_pad9;
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vu_char hpib_ar;
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u_char hpib_pad10;
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vu_char hpib_pmask;
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u_char hpib_pad11;
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vu_char hpib_psense;
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};
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/* status bits */
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#define ST_READ0 0xC0
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#define ST_READ1 0x80
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#define ST_IENAB 0x80
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#define ST_EOI 0x80
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#define ST_ATN 0x40
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#define ST_WRITE 0x00
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/* control bits */
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#define CT_8BIT 0x80
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#define CT_REN 0x20
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#define CT_IFC 0x10
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#define CT_FIFOSEL 0x02
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#define CT_INITFIFO 0x01
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#define IM_PABORT 0x40
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#define IM_PPRESP 0x20
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#define IM_ROOM 0x08
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#define IM_BYTE 0x04
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#define IM_IDLE 0x02
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#define AR_ARONC 0x80
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