1 /* 2 * Copyright (c) 1982, 1986, 1988 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 * 7 * @(#)if_dpreg.h 7.2 (Berkeley) 08/30/90 8 */ 9 10 /* 11 * DPV-11 Registers and bits. 12 */ 13 struct dpdevice { 14 short dprcsr; /* Receive Control and Status Register */ 15 union { 16 short u_rdsr; /* Receive Data and Status Reg, rd only */ 17 short u_sar; /* Parameter Control Sync/Address Reg, wr only*/ 18 } dpun; 19 short dpclr; /* Parameter Control/Character Length Reg */ 20 short dptdsr; /* Transmit Data and Status Register */ 21 }; 22 23 #define dprdsr dpun.u_rdsr 24 #define dpsar dpun.u_sar 25 26 27 /* bits in dprcsr */ 28 #define DP_RL 0x0001 /* Remote Loopback Mode */ 29 #define DP_DTR 0x0002 /* Data Terminal Ready (modem) */ 30 #define DP_RTS 0x0004 /* Request to Send (modem) */ 31 #define DP_LL 0x0008 /* Local Loopback */ 32 #define DP_RE 0x0010 /* Enable Receiver */ 33 #define DP_MIE 0x0020 /* Modem (Change) Interrupt Enable */ 34 #define DP_RIE 0x0040 /* Receiver Interrupt Enable */ 35 #define DP_RDR 0x0080 /* Receiver Data Ready */ 36 #define DP_SFD 0x0100 /* Sync or Flag Detected */ 37 #define DP_DSR 0x0200 /* Data Set Ready (modem) */ 38 #define DP_RSR 0x0400 /* Receiver Status Ready (attention) */ 39 #define DP_RA 0x0800 /* Receiver Active (receiving data) */ 40 #define DP_RR 0x1000 /* Receiver Ready (modem) */ 41 #define DP_CTS 0x2000 /* Clear to Send (modem) */ 42 #define DP_IC 0x4000 /* Incoming Call */ 43 #define DP_MSC 0x8000 /* Modem Status Change (CTS, RR, IC, DM) */ 44 45 /* flags for modem-control */ 46 #define DP_ON DP_DTR 47 #define DP_OFF 0 48 49 /* bits in dprdsr */ 50 #define DP_RBUF 0x00ff /* Received Data */ 51 #define DP_RSM 0x0100 /* Receiver Start of Message */ 52 #define DP_REM 0x0200 /* Receiver End of Message */ 53 #define DP_RGA 0x0400 /* Receiver Go-Ahead or Abort */ 54 #define DP_ROVR 0x0800 /* Receiver Receiver Over-Run */ 55 #define DP_RABC 0x7000 /* Reciever Assembled Bit Count */ 56 #define DP_REC 0x8000 /* Reciever Error Check */ 57 58 /* bits in dpsar */ 59 #define DP_SYNC 0x00ff /* Sync Char or Station Address */ 60 #define DP_EM 0x0700 /* Error Detection Mode */ 61 #define DP_IDLE 0x0800 /* Idle Mode Select */ 62 #define DP_SAM 0x1000 /* Secondary Address Mode */ 63 #define DP_SSLM 0x2000 /* Strip Synch/Loop Mode */ 64 #define DP_CHRM 0x4000 /* Character/Bit Mode */ 65 #define DP_APA 0x8000 /* Recognize All Parties Addressed */ 66 67 /* bits in dpclr */ 68 #define DP_CLR 0x0001 /* Reset DP */ 69 #define DP_XA 0x0002 /* Transmiter Active (transmitting data) */ 70 #define DP_XBE 0x0004 /* Transmit Buffer Available */ 71 #define DP_ILB 0x0008 /* Internal Loopback (Maintenance Mode) */ 72 #define DP_XE 0x0010 /* Transmit Enable */ 73 #define DP_SQTM 0x0020 /* Signal Quality/Test Mode */ 74 #define DP_XIE 0x0040 /* Transmit Interrupt Enable */ 75 #define DP_MBZ1 0x0080 /* Reserved (must be zero) */ 76 #define DP_RCL 0x0700 /* Receive Character Length */ 77 #define DP_RL8 0x0000 /* RCL = 8 bits */ 78 #define DP_RL7 0x0700 /* RCL = 7 bits */ 79 #define DP_RL6 0x0600 /* RCL = 6 bits */ 80 #define DP_ECF 0x0800 /* Extended Control Field Option */ 81 #define DP_EAF 0x1000 /* Extended Address Field Option */ 82 #define DP_XCL 0xE000 /* Transmit Character Length */ 83 #define DP_XL8 0x0000 /* XCL = 8 bits */ 84 #define DP_XL7 0xE000 /* XCL = 7 bits */ 85 #define DP_XL6 0xC000 /* XCL = 6 bits */ 86 87 88 /* bits in dptdsr */ 89 #define DP_XBUF 0x00FF /* data to be transmitted */ 90 #define DP_XSM 0x0100 /* Transmit Start of Message */ 91 #define DP_XEM 0x0200 /* Transmit End of Message */ 92 #define DP_XABO 0x0400 /* Tranmsit Abort */ 93 #define DP_XGA 0x0800 /* Tranmsit Go - Ahead */ 94 #define DP_MBZ2 0x7000 /* Reserved (must be zero) */ 95 #define DP_XERR 0x8000 /* Data Late -- XBUF not serviced in time */ 96 97 #define DP_MTU 2048 /* Very Big X.25 data, normally 128 */ 98