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1.1 ! root 1: /* ! 2: * Copyright (c) 1982, 1986 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: * @(#)if_accreg.h 7.3 (Berkeley) 6/28/90 ! 21: */ ! 22: ! 23: /* ! 24: * ACC LH/DH-11 interface ! 25: */ ! 26: ! 27: struct accdma { ! 28: short csr; /* control and status */ ! 29: short db; /* data buffer */ ! 30: u_short ba; /* buss address */ ! 31: short wc; /* word count */ ! 32: }; ! 33: ! 34: struct accdevice { ! 35: struct accdma input; ! 36: struct accdma output; ! 37: }; ! 38: ! 39: #define icsr input.csr ! 40: #define iba input.ba ! 41: #define iwc input.wc ! 42: #define ocsr output.csr ! 43: #define oba output.ba ! 44: #define owc output.wc ! 45: ! 46: /* ! 47: * Bits Common to both input and out CSR's ! 48: */ ! 49: #define ACC_ERR 0x8000 /* error present */ ! 50: #define ACC_NXM 0x4000 /* non-existant memory */ ! 51: #define ACC_RDY 0x0080 /* ready */ ! 52: #define ACC_IE 0x0040 /* interrupt enable */ ! 53: #define ACC_RESET 0x0002 /* reset interface */ ! 54: #define ACC_GO 0x0001 /* start operation */ ! 55: ! 56: /* ! 57: * Input Control Status Register ! 58: */ ! 59: #define IN_EOM 0x2000 /* end-of-message recieved */ ! 60: #define IN_HRDY 0x0800 /* host ready */ ! 61: #define IN_IMPBSY 0x0400 /* IMP not ready */ ! 62: #define IN_RMR 0x0200 /* receive master ready error */ ! 63: #define IN_IBF 0x0100 /* input data buffer full */ ! 64: #define IN_WEN 0x0008 /* write enable */ ! 65: #define IN_MRDY 0x0004 /* master ready */ ! 66: ! 67: #define ACC_INBITS \ ! 68: "\20\20ERR\17NXM\16EOM\14HRDY\13IMPBSY\12RMR\11IBF\10RDY\7IE\ ! 69: \4WEN\3MRDY\2RESET\1GO" ! 70: ! 71: /* ! 72: * Output Control Status Register ! 73: */ ! 74: #define OUT_TMR 0x0200 /* transmit master ready error */ ! 75: #define OUT_BBACK 0x0008 /* bus back */ ! 76: #define OUT_ENLB 0x0004 /* enable last bit */ ! 77: ! 78: #define ACC_OUTBITS \ ! 79: "\20\20ERR\17NXM\12TMR\10RDY\7IE\4BBACK\3ENLB\2RESET\1GO"
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