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da7c5cc6 | 1 | /* |
0880b18e | 2 | * Copyright (c) 1982, 1986 Regents of the University of California. |
b5939d91 | 3 | * All rights reserved. |
da7c5cc6 | 4 | * |
c0567266 KB |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions | |
7 | * are met: | |
8 | * 1. Redistributions of source code must retain the above copyright | |
9 | * notice, this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright | |
11 | * notice, this list of conditions and the following disclaimer in the | |
12 | * documentation and/or other materials provided with the distribution. | |
13 | * 3. All advertising materials mentioning features or use of this software | |
14 | * must display the following acknowledgement: | |
15 | * This product includes software developed by the University of | |
16 | * California, Berkeley and its contributors. | |
17 | * 4. Neither the name of the University nor the names of its contributors | |
18 | * may be used to endorse or promote products derived from this software | |
19 | * without specific prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | |
22 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
23 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
24 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | |
25 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
26 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
27 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
28 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
29 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
30 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
31 | * SUCH DAMAGE. | |
ad787160 C |
32 | * |
33 | * @(#)if_accreg.h 7.3 (Berkeley) 6/28/90 | |
da7c5cc6 | 34 | */ |
227cbec0 BJ |
35 | |
36 | /* | |
37 | * ACC LH/DH-11 interface | |
38 | */ | |
39 | ||
40 | struct accdma { | |
41 | short csr; /* control and status */ | |
42 | short db; /* data buffer */ | |
43 | u_short ba; /* buss address */ | |
44 | short wc; /* word count */ | |
45 | }; | |
46 | ||
47 | struct accdevice { | |
48 | struct accdma input; | |
49 | struct accdma output; | |
50 | }; | |
51 | ||
52 | #define icsr input.csr | |
53 | #define iba input.ba | |
54 | #define iwc input.wc | |
55 | #define ocsr output.csr | |
56 | #define oba output.ba | |
57 | #define owc output.wc | |
58 | ||
59 | /* | |
60 | * Bits Common to both input and out CSR's | |
61 | */ | |
62 | #define ACC_ERR 0x8000 /* error present */ | |
63 | #define ACC_NXM 0x4000 /* non-existant memory */ | |
64 | #define ACC_RDY 0x0080 /* ready */ | |
12ef2795 | 65 | #define ACC_IE 0x0040 /* interrupt enable */ |
227cbec0 BJ |
66 | #define ACC_RESET 0x0002 /* reset interface */ |
67 | #define ACC_GO 0x0001 /* start operation */ | |
68 | ||
69 | /* | |
70 | * Input Control Status Register | |
71 | */ | |
72 | #define IN_EOM 0x2000 /* end-of-message recieved */ | |
73 | #define IN_HRDY 0x0800 /* host ready */ | |
74 | #define IN_IMPBSY 0x0400 /* IMP not ready */ | |
75 | #define IN_RMR 0x0200 /* receive master ready error */ | |
76 | #define IN_IBF 0x0100 /* input data buffer full */ | |
77 | #define IN_WEN 0x0008 /* write enable */ | |
78 | #define IN_MRDY 0x0004 /* master ready */ | |
79 | ||
80 | #define ACC_INBITS \ | |
81 | "\20\20ERR\17NXM\16EOM\14HRDY\13IMPBSY\12RMR\11IBF\10RDY\7IE\ | |
82 | \4WEN\3MRDY\2RESET\1GO" | |
83 | ||
84 | /* | |
85 | * Output Control Status Register | |
86 | */ | |
87 | #define OUT_TMR 0x0200 /* transmit master ready error */ | |
88 | #define OUT_BBACK 0x0008 /* bus back */ | |
89 | #define OUT_ENLB 0x0004 /* enable last bit */ | |
90 | ||
91 | #define ACC_OUTBITS \ | |
92 | "\20\20ERR\17NXM\12TMR\10RDY\7IE\4BBACK\3ENLB\2RESET\1GO" |