2.9BSD - /usr/src/sys/dev/Others/dureg.h

   1: struct  dudevice    {
   2:     short   durcsr;     /* receiver status register */
   3:     short   durdbuf;    /* receiver data buffer register */
   4: #define duparcsr    durdbuf /* (parameter control register on write) */
   5:     short   dutcsr;     /* transmitter status register */
   6:     short   dutdbuf;    /* transmitter data buffer register */
   7: };
   8: 
   9: /* bits in durcsr */
  10: #define DU_DSCHG    0100000     /* data set change in du11 */
  11: #define DU_DSCHGA   DU_DSCHG    /* data set change A in dup11 */
  12: #define DU_RING     0040000     /* ring indicator */
  13: #define DU_CTS      0020000     /* clear to send */
  14: #define DU_CAR      0010000     /* carrier */
  15: #define DU_RACT     0004000     /* receiver active */
  16: #define DU_SRDATA   0002000     /* secondary received data */
  17: #define DU_DSRDY    0001000     /* data set ready */
  18: #define DU_STSYNC   0000400     /* strip sync */
  19: #define DU_RDONE    0000200     /* receiver done */
  20: #define DU_RIE      0000100     /* receiver interrupt enable */
  21: #define DU_DSIE     0000040     /* data set interrupt enable */
  22: #define DU_SSYNC    0000020     /* search sync in du11 */
  23: #define DU_RCVEN    DU_SSYNC    /* receiver interrupt enable in dup11 */
  24: #define DU_STD      0000010     /* secondary transmit data */
  25: #define DU_RTS      0000004     /* request to send */
  26: #define DU_DTR      0000002     /* data terminal ready */
  27: /* bit 0 is unused in du11 */
  28: #define DU_DSCHGB   0000001     /* data set change B in dup11 */
  29: #define DU_BITS     \
  30: "\10\20DSCHG\17RING\16CTS\15CAR\14RACT\13SRDATA\12DSRDY\11STSYNC\10RDONE\
  31: \7RIE\6DSIE\5SSYNC\4STD\3RTS\2DTR"
  32: #define DU_PBITS    \
  33: "\10\20DSCHGA\17RING\16CTS\15CAR\14RACT\13SRDATA\12DSRDY\11STSYNC\10RDONE\
  34: \7RIE\6DSIE\5RCVEN\4STD\3RTS\2DTR\1DSCHGB"
  35: 
  36: /* bits in durdbuf */
  37: #define DURDBUF_ERR 0100000     /* error */
  38: #define DURDBUF_OVERRUN 0040000     /* overrun */
  39: /* bit 13 is unused in dup11 */
  40: #define DURDBUF_FE  0020000     /* framing error in du11 */
  41: #define DURDBUF_PE  0010000     /* parity error in du11 */
  42: #define DURDBUF_RCRC    DURDBUF_PE  /* RCRC error + Zero in dup11 */
  43: /* bit 11 is unused */
  44: /* bits 10-8 are unused in dup11 */
  45: #define DURDBUF_RABORT  0002000     /* received ABORT in dup11 */
  46: #define DURDBUF_REOM    0001000     /* end of received message in dup11 */
  47: #define DURDBUF_RSOM    0000400     /* start of received message in dup11 */
  48: /* bits 7-0 are the receiver data buffer */
  49: #define DURDBUF_BITS    "\10\20ERR\17OVERRUN\16\FE\15PE"
  50: #define DURDBUF_PBITS   "\10\20ERR\17OVERRUN\15RCRC\13RABORT\12REOM\11RSOM"
  51: 
  52: /* bits in duparcsr */
  53: /* bit 15 is unused in du11 */
  54: #define DUPARCSR_DEC    0100000     /* DEC mode in dup11 */
  55: /* bit 14 is unused */
  56: /* bit 13 is unused in dup11 */
  57: /* bits 13-12 are mode select in du11 */
  58: #define DUPARCSR_SMSEL  0010000     /* secondary mode select in dup11 */
  59: /* bits 11-10 are word length select in du11 and unused in dup11 */
  60: #define DUPARCSR_PE 0001000     /* parity error in du11 */
  61: #define DUPARCSR_CRCINH DUPARCSR_PE /* CRC inhibit in dup11 */
  62: /* bit 8 is unused in dup11 */
  63: #define DUPARCSR_EVEN   0000400     /* select even parity in du11 */
  64: /* bits 7-0 are the sync register */
  65: #define DUPARCSR_BITS   "\10\12PE\11EVEN"
  66: #define DUPARCSR_PBITS  "\10\20DEC\15SMSEL\12CRCINH"
  67: 
  68: /* duparcsr mode select bits in du11 */
  69: #define DUPARCSR_XSYNC  0020000     /* synchronous external */
  70: #define DUPARCSR_ISYNC  0030000     /* synchronous internal */
  71: 
  72: /* duparcsr word length select bits in du11 */
  73: #define DUPARCSR_8BITS  0006000     /* eight bits per character */
  74: #define DUPARCSR_7BITS  0004000     /* seven bits per character */
  75: #define DUPARCSR_6BITS  0002000     /* six bits per character */
  76: #define DUPARCSR_5BITS  0000000     /* five bits per character */
  77: 
  78: /* bits in dutcsr */
  79: #define DUTCSR_NODATA   0100000     /* data not available in du 11 */
  80: #define DUTCSR_DATALATE DUTCSR_NODATA   /* data late error in dup11 */
  81: #define DUTCSR_MD   0040000     /* maintenance data */
  82: #define DUTCSR_MC   0020000     /* maintenance clock */
  83: /* bits 12-11 are maintenance mode select in du11*/
  84: /* bits 12-11 are maintenance mode select A and B in dup11*/
  85: /* bit 10 is called ``maintenance bit window'' in earlier du11 manuals */
  86: #define DUTCSR_RI   0002000     /* receiver input in du11 */
  87: #define DUTCSR_MMSELECT DUTCSR_RI   /* maintenance mode select A and B in dup11 */
  88: /* bit 9 is unused in du11 */
  89: #define DUTCSR_TACT 0001000     /* transmitter active in dup11 */
  90: #define DUTCSR_MR   0000400     /* master reset */
  91: #define DUTCSR_TDONE    0000200     /* transmitter done */
  92: #define DUTCSR_TIE  0000100     /* transmitter interrupt enable */
  93: /* bit 5 is unused in dup11 */
  94: #define DUTCSR_DNAIE    0000040     /* data not available interrupt enable in du11 */
  95: #define DUTCSR_SEND 0000020     /* send */
  96: #define DUTCSR_HDX  0000010     /* half/full duplex */
  97: /* bits 2-1 are unused */
  98: /* bit 0 is unused in dup11 */
  99: #define DUTCSR_BRK  0000001     /* break in du11 */
 100: #define DUTCSR_BITS \
 101: "\10\20NODATA\17MD\16MC\13RI\11MR\10TDONE\7TIE\6DNAIE\5SEND\4HDX\1BRK"
 102: #define DUTCSR_PBITS    \
 103: "\10\20DATALATE\17MD\16MC\13MMSELECT\12TACT\11MR\10TDONE\7TIE\5SEND\4HDX"
 104: 
 105: /* dutcsr maintenance mode select bits in du11 */
 106: #define DUTCSR_MSYSTST  0014000     /* internal mode for systems testing */
 107: #define DUTCSR_MEXTERN  0010000     /* external */
 108: #define DUTCSR_MINTERN  0004000     /* internal */
 109: #define DUTCSR_MNORMAL  0000000     /* normal */
 110: 
 111: /* dutcsr maintenance mode select A and B bits in dup11 (some are the same) */
 112: #define DUTCSR_MPSYSTST DUTCSR_MINTERN
 113: #define DUTCSR_MPINTERN DUTCSR_MSYSTST

Defined struct's

Defined macros