projects / unix-history / blame
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1 | /* |
| 2 | * Copyright (c) 1982, 1986, 1988 Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
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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. | |
| 347a05ff | 20 | * |
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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. | |
| 32 | * | |
| 33 | * @(#)if_dpreg.h 7.2 (Berkeley) 8/30/90 | |
| 347a05ff KS |
34 | */ |
| 35 | ||
| 36 | /* | |
| 37 | * DPV-11 Registers and bits. | |
| 38 | */ | |
| 39 | struct dpdevice { | |
| 40 | short dprcsr; /* Receive Control and Status Register */ | |
| 41 | union { | |
| 42 | short u_rdsr; /* Receive Data and Status Reg, rd only */ | |
| 43 | short u_sar; /* Parameter Control Sync/Address Reg, wr only*/ | |
| 44 | } dpun; | |
| 45 | short dpclr; /* Parameter Control/Character Length Reg */ | |
| 46 | short dptdsr; /* Transmit Data and Status Register */ | |
| 47 | }; | |
| 48 | ||
| 4c60338c | 49 | #define dprdsr dpun.u_rdsr |
| 347a05ff KS |
50 | #define dpsar dpun.u_sar |
| 51 | ||
| 52 | ||
| 53 | /* bits in dprcsr */ | |
| 54 | #define DP_RL 0x0001 /* Remote Loopback Mode */ | |
| 55 | #define DP_DTR 0x0002 /* Data Terminal Ready (modem) */ | |
| 56 | #define DP_RTS 0x0004 /* Request to Send (modem) */ | |
| 57 | #define DP_LL 0x0008 /* Local Loopback */ | |
| 58 | #define DP_RE 0x0010 /* Enable Receiver */ | |
| 59 | #define DP_MIE 0x0020 /* Modem (Change) Interrupt Enable */ | |
| 60 | #define DP_RIE 0x0040 /* Receiver Interrupt Enable */ | |
| 61 | #define DP_RDR 0x0080 /* Receiver Data Ready */ | |
| 62 | #define DP_SFD 0x0100 /* Sync or Flag Detected */ | |
| 63 | #define DP_DSR 0x0200 /* Data Set Ready (modem) */ | |
| 64 | #define DP_RSR 0x0400 /* Receiver Status Ready (attention) */ | |
| 65 | #define DP_RA 0x0800 /* Receiver Active (receiving data) */ | |
| 66 | #define DP_RR 0x1000 /* Receiver Ready (modem) */ | |
| 67 | #define DP_CTS 0x2000 /* Clear to Send (modem) */ | |
| 68 | #define DP_IC 0x4000 /* Incoming Call */ | |
| 69 | #define DP_MSC 0x8000 /* Modem Status Change (CTS, RR, IC, DM) */ | |
| 70 | ||
| 71 | /* flags for modem-control */ | |
| 72 | #define DP_ON DP_DTR | |
| 73 | #define DP_OFF 0 | |
| 74 | ||
| 75 | /* bits in dprdsr */ | |
| 76 | #define DP_RBUF 0x00ff /* Received Data */ | |
| 77 | #define DP_RSM 0x0100 /* Receiver Start of Message */ | |
| 78 | #define DP_REM 0x0200 /* Receiver End of Message */ | |
| 79 | #define DP_RGA 0x0400 /* Receiver Go-Ahead or Abort */ | |
| 80 | #define DP_ROVR 0x0800 /* Receiver Receiver Over-Run */ | |
| 81 | #define DP_RABC 0x7000 /* Reciever Assembled Bit Count */ | |
| 82 | #define DP_REC 0x8000 /* Reciever Error Check */ | |
| 83 | ||
| 84 | /* bits in dpsar */ | |
| 85 | #define DP_SYNC 0x00ff /* Sync Char or Station Address */ | |
| 86 | #define DP_EM 0x0700 /* Error Detection Mode */ | |
| 87 | #define DP_IDLE 0x0800 /* Idle Mode Select */ | |
| 88 | #define DP_SAM 0x1000 /* Secondary Address Mode */ | |
| 89 | #define DP_SSLM 0x2000 /* Strip Synch/Loop Mode */ | |
| 90 | #define DP_CHRM 0x4000 /* Character/Bit Mode */ | |
| 91 | #define DP_APA 0x8000 /* Recognize All Parties Addressed */ | |
| 92 | ||
| 93 | /* bits in dpclr */ | |
| 94 | #define DP_CLR 0x0001 /* Reset DP */ | |
| 95 | #define DP_XA 0x0002 /* Transmiter Active (transmitting data) */ | |
| 96 | #define DP_XBE 0x0004 /* Transmit Buffer Available */ | |
| 97 | #define DP_ILB 0x0008 /* Internal Loopback (Maintenance Mode) */ | |
| 98 | #define DP_XE 0x0010 /* Transmit Enable */ | |
| 99 | #define DP_SQTM 0x0020 /* Signal Quality/Test Mode */ | |
| 100 | #define DP_XIE 0x0040 /* Transmit Interrupt Enable */ | |
| 101 | #define DP_MBZ1 0x0080 /* Reserved (must be zero) */ | |
| 102 | #define DP_RCL 0x0700 /* Receive Character Length */ | |
| 103 | #define DP_RL8 0x0000 /* RCL = 8 bits */ | |
| 104 | #define DP_RL7 0x0700 /* RCL = 7 bits */ | |
| 105 | #define DP_RL6 0x0600 /* RCL = 6 bits */ | |
| 106 | #define DP_ECF 0x0800 /* Extended Control Field Option */ | |
| 107 | #define DP_EAF 0x1000 /* Extended Address Field Option */ | |
| 108 | #define DP_XCL 0xE000 /* Transmit Character Length */ | |
| 109 | #define DP_XL8 0x0000 /* XCL = 8 bits */ | |
| 110 | #define DP_XL7 0xE000 /* XCL = 7 bits */ | |
| 111 | #define DP_XL6 0xC000 /* XCL = 6 bits */ | |
| 112 | ||
| 113 | ||
| 114 | /* bits in dptdsr */ | |
| 115 | #define DP_XBUF 0x00FF /* data to be transmitted */ | |
| 116 | #define DP_XSM 0x0100 /* Transmit Start of Message */ | |
| 117 | #define DP_XEM 0x0200 /* Transmit End of Message */ | |
| 118 | #define DP_XABO 0x0400 /* Tranmsit Abort */ | |
| 119 | #define DP_XGA 0x0800 /* Tranmsit Go - Ahead */ | |
| 120 | #define DP_MBZ2 0x7000 /* Reserved (must be zero) */ | |
| 121 | #define DP_XERR 0x8000 /* Data Late -- XBUF not serviced in time */ | |
| 122 | ||
| 123 | #define DP_MTU 2048 /* Very Big X.25 data, normally 128 */ |