projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 60f56dfc KM |
1 | /* |
| 2 | * Copyright (c) 1982, 1990 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * %sccs.include.redist.c% | |
| 6 | * | |
| 7 | * @(#)fhpibreg.h 7.1 (Berkeley) %G% | |
| 8 | */ | |
| 9 | ||
| 10 | #define vu_char volatile u_char | |
| 11 | ||
| 12 | struct fhpibdevice { | |
| 13 | u_char hpib_pad0; | |
| 14 | vu_char hpib_cid; | |
| 15 | u_char hpib_pad1; | |
| 16 | #define hpib_ie hpib_ids | |
| 17 | vu_char hpib_ids; | |
| 18 | u_char hpib_pad2; | |
| 19 | vu_char hpib_ctrl2; | |
| 20 | u_char hpib_pad3; | |
| 21 | vu_char hpib_latch; | |
| 22 | u_char hpib_pad4[9]; | |
| 23 | vu_char hpib_intr; | |
| 24 | u_char hpib_pad5; | |
| 25 | vu_char hpib_imask; | |
| 26 | u_char hpib_pad6; | |
| 27 | vu_char hpib_data; | |
| 28 | u_char hpib_pad7; | |
| 29 | vu_char hpib_stat; | |
| 30 | u_char hpib_pad8; | |
| 31 | vu_char hpib_cmd; | |
| 32 | u_char hpib_pad9; | |
| 33 | vu_char hpib_ar; | |
| 34 | u_char hpib_pad10; | |
| 35 | vu_char hpib_pmask; | |
| 36 | u_char hpib_pad11; | |
| 37 | vu_char hpib_psense; | |
| 38 | }; | |
| 39 | ||
| 40 | /* status bits */ | |
| 41 | #define ST_READ0 0xC0 | |
| 42 | #define ST_READ1 0x80 | |
| 43 | #define ST_IENAB 0x80 | |
| 44 | #define ST_EOI 0x80 | |
| 45 | #define ST_ATN 0x40 | |
| 46 | #define ST_WRITE 0x00 | |
| 47 | ||
| 48 | /* control bits */ | |
| 49 | #define CT_8BIT 0x80 | |
| 50 | #define CT_REN 0x20 | |
| 51 | #define CT_IFC 0x10 | |
| 52 | #define CT_FIFOSEL 0x02 | |
| 53 | #define CT_INITFIFO 0x01 | |
| 54 | ||
| 55 | #define IM_PABORT 0x40 | |
| 56 | #define IM_PPRESP 0x20 | |
| 57 | #define IM_ROOM 0x08 | |
| 58 | #define IM_BYTE 0x04 | |
| 59 | #define IM_IDLE 0x02 | |
| 60 | ||
| 61 | #define AR_ARONC 0x80 |