4.3BSD - /usr/src/sys/vaxuba/dmzreg.h

   1: /*
   2:  * Copyright (c) 1985, 1986 Regents of the University of California.
   3:  * All rights reserved.  The Berkeley software License Agreement
   4:  * specifies the terms and conditions for redistribution.
   5:  *
   6:  *	@(#)dmzreg.h	7.1 (Berkeley) 6/5/86
   7:  */
   8: 
   9: /*
  10:  * HISTORY
  11:  * 23-Apr-85  Joe Camaratta (jcc) at Siemens RTL
  12:  *	Header file for DEC's DMZ32
  13:  */
  14: 
  15: struct dmzdevice {
  16:     short dmz_config;   /* configuration cntl and status register */
  17:     short dmz_diag;     /* diagnostic control and status register */
  18:     struct {
  19:         short octet_csr;    /* octet control and status */
  20:         short octet_lprm;   /* line parameter */
  21:         union{
  22:             short octet_rb;     /* receiver buffer */
  23:             short octet_rsp;    /* receive silo parameter */
  24:         } octet_receive;
  25:         union{
  26:             u_short word;       /* word */
  27:             u_char bytes[2];    /* bytes */
  28:         } octet_ir;         /* indirect registers */
  29:     } octet[3];
  30:     short dmz_unused[2];
  31: };
  32: 
  33: #define octet_sato octet_rsp
  34: 
  35: /* aliases for asynchronous indirect control registers */
  36: #define IR_TBUF     000 /* transmit character */
  37: #define IR_RMSTSC   000 /* receive modem status, transmit silo count */
  38: #define IR_LCTMR    010 /* line control and transmit modem */
  39: #define IR_TBA      020 /* transmit buffer address register */
  40: #define IR_TCC      030 /* transmit character count (DMA) */
  41: 
  42: #define octet_tbf   octet_ir.bytes[0]   /* transmit buffer */
  43: #define octet_tbf2  octet_ir.word       /* transmit buffer, 2 chars */
  44: #define octet_rmstsc    octet_ir.word   /* rcv modem status, xmit silo count */
  45: #define octet_lctmr octet_ir.word       /* line control, xmit modem */
  46: #define octet_tba   octet_ir.word       /* transmit buffer address */
  47: #define octet_tcc   octet_ir.word       /* transmit character count */
  48: 
  49: /* bits in octet_csr */
  50: #define DMZ_TRDY    0100000     /* transmit ready */
  51: #define DMZ_TIE     0040000     /* transmit interrupt enable */
  52: #define DMZ_NXM     0030000     /* non-existant memory */
  53: #define DMZ_LIN     0003400     /* transmit line number */
  54: #define DMZ_RRDY    0000200     /* receiver data available */
  55: #define DMZ_RIE     0000100     /* receiver interrupt enable */
  56: #define DMZ_RESET   0000040     /* master reset */
  57: #define DMZ_IAD     0000037     /* indirect address register */
  58: 
  59: #define DMZ_IE      (DMZ_TIE | DMZ_RIE) /* enable transmit and receive */
  60: 
  61: /* bits in octet_lprm (taken from dmfreg.h) */
  62: #define DMZ_6BT     0010        /* 6 bits per character */
  63: #define DMZ_7BT     0020        /* 7 bits per character */
  64: #define DMZ_8BT     0030        /* 8 bits per character */
  65: #define DMZ_PEN     0040        /* parity enable */
  66: #define DMZ_EPR     0100        /* even parity */
  67: #define DMZ_SCD     0200        /* stop code */
  68: #define DMZ_XTE     0170000     /* transmit rate */
  69: #define DMZ_RRT     0007400     /* receive rate */
  70: #define DMZ_LSL     0000007     /* line select */
  71: 
  72: /* baud rates */
  73: #define BR_50       000
  74: #define BR_75       001
  75: #define BR_110      002
  76: #define BR_134_5    003
  77: #define BR_150      004
  78: #define BR_300      005
  79: #define BR_600      006
  80: #define BR_1200     007
  81: #define BR_1800     010
  82: #define BR_2000     011
  83: #define BR_2400     012
  84: #define BR_3600     013
  85: #define BR_4800     014
  86: #define BR_7200     015
  87: #define BR_9600     016
  88: #define BR_19200    017
  89: 
  90: /* bits in octet_rb (taken from dmfreg.h) */
  91: #define DMZ_DSC     0004000     /* data set change */
  92: #define DMZ_PE      0010000     /* parity error */
  93: #define DMZ_FE      0020000     /* framing error */
  94: #define DMZ_DO      0040000     /* data overrun */
  95: #define DMZ_DV      0100000     /* data valid */
  96: #define DMZ_RL      0003400     /* line */
  97: #define DMZ_RD      0000377     /* data */
  98: #define DMZ_AT      0000377     /* alarm timeout */
  99: 
 100: /* bits in dmz_rmstsc */
 101: #define DMZ_TSC     0x00ff      /* transmit silo count */
 102: #define DMZ_USRR    0x0400      /* user modem signal (pin 25) */
 103: #define DMF_SR      0x0800      /* secondary receive */
 104: #define DMZ_CTS     0x1000      /* clear to send */
 105: #define DMZ_CAR     0x2000      /* carrier detect */
 106: #define DMZ_RNG     0x4000      /* ring */
 107: #define DMZ_DSR     0x8000      /* data set ready */
 108: 
 109: /* bits in dmz_lctmr (tms half) */
 110: #define DMZ_USRW    0x0100      /* user modem signal (pin 18) */
 111: #define DMZ_DTR     0x0200      /* data terminal ready */
 112: #define DMZ_RATE    0x0400      /* data signal rate select */
 113: #define DMF_ST      0x0800      /* secondary transmit */
 114: #define DMZ_RTS     0x1000      /* request to send */
 115: #define DMZ_PREEMPT 0x8000      /* preempt output */
 116: 
 117: /* bits in octet_lctmr (lc half) */
 118: #define DMZ_MIE     0040        /* modem interrupt enable */
 119: #define DMZ_FLS     0020        /* flush transmit silo */
 120: #define DMZ_BRK     0010        /* send break bit */
 121: #define DMZ_RE      0004        /* receive enable */
 122: #define DMZ_AUT     0002        /* auto XON/XOFF */
 123: #define DMZ_TE      0001        /* transmit enable */
 124: #define DMZ_CF      0300        /* control function */
 125: 
 126: #define DMZ_LCE     (DMZ_MIE|DMZ_RE|DMZ_TE)
 127: #define DMZ_ON      (DMZ_DTR|DMZ_RTS|DMZ_LCE)
 128: #define DMZ_OFF     DMZ_LCE
 129: 
 130: 
 131: /* bits in octet_tcc */
 132: #define DMZ_HA      0140000     /* high address bits */
 133: 
 134: /* bits added to dm lsr for DMGET/DMSET */
 135: #define DML_USR     0001000     /* usr modem sig, not a real DM bit */
 136: #define DML_DSR     0000400     /* data set ready, not a real DM bit */
 137: 
 138: #define DMZ_SIZ     32      /* size of DMZ output silo (per line) */
 139: 
 140: #define DMZ(a)      (a/24)
 141: #define OCTET(a)    ((a%24)/8)
 142: #define LINE(a)     ((a%24)%8)
 143: 
 144: #define DMZ_NOC_MASK    03
 145: #define DMZ_INTERFACE   000

Defined struct's

Defined macros

Usage of this include