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1.1 root 1: /*
2: * Copyright (c) 1982, 1990 The Regents of the University of California.
3: * All rights reserved.
4: *
5: * Redistribution is only permitted until one year after the first shipment
6: * of 4.4BSD by the Regents. Otherwise, redistribution and use in source and
7: * binary forms are permitted provided that: (1) source distributions retain
8: * this entire copyright notice and comment, and (2) distributions including
9: * binaries display the following acknowledgement: This product includes
10: * software developed by the University of California, Berkeley and its
11: * contributors'' in the documentation or other materials provided with the
12: * distribution and in all advertising materials mentioning features or use
13: * of this software. Neither the name of the University nor the names of
14: * its contributors may be used to endorse or promote products derived from
15: * this software without specific prior written permission.
16: * THIS SOFTWARE IS PROVIDED AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
17: * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
18: * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
19: *
20: * @(#)fhpibreg.h 7.1 (Berkeley) 5/8/90
21: */
22:
23: #define vu_char volatile u_char
24:
25: struct fhpibdevice {
26: u_char hpib_pad0;
27: vu_char hpib_cid;
28: u_char hpib_pad1;
29: #define hpib_ie hpib_ids
30: vu_char hpib_ids;
31: u_char hpib_pad2;
32: vu_char hpib_ctrl2;
33: u_char hpib_pad3;
34: vu_char hpib_latch;
35: u_char hpib_pad4[9];
36: vu_char hpib_intr;
37: u_char hpib_pad5;
38: vu_char hpib_imask;
39: u_char hpib_pad6;
40: vu_char hpib_data;
41: u_char hpib_pad7;
42: vu_char hpib_stat;
43: u_char hpib_pad8;
44: vu_char hpib_cmd;
45: u_char hpib_pad9;
46: vu_char hpib_ar;
47: u_char hpib_pad10;
48: vu_char hpib_pmask;
49: u_char hpib_pad11;
50: vu_char hpib_psense;
51: };
52:
53: /* status bits */
54: #define ST_READ0 0xC0
55: #define ST_READ1 0x80
56: #define ST_IENAB 0x80
57: #define ST_EOI 0x80
58: #define ST_ATN 0x40
59: #define ST_WRITE 0x00
60:
61: /* control bits */
62: #define CT_8BIT 0x80
63: #define CT_REN 0x20
64: #define CT_IFC 0x10
65: #define CT_FIFOSEL 0x02
66: #define CT_INITFIFO 0x01
67:
68: #define IM_PABORT 0x40
69: #define IM_PPRESP 0x20
70: #define IM_ROOM 0x08
71: #define IM_BYTE 0x04
72: #define IM_IDLE 0x02
73:
74: #define AR_ARONC 0x80
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