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1.1 ! root 1: /* ! 2: * Copyright (c) 1982, 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: * @(#)if_pclreg.h 7.1 (Berkeley) 6/5/86 ! 7: */ ! 8: ! 9: /* ! 10: * DEC CSS PCL-11B Parallel Communications Interface ! 11: */ ! 12: ! 13: struct pcldevice { ! 14: u_short pcl_tcr; /* Transmitter Command Register */ ! 15: u_short pcl_tsr; /* Transmitter Status Register */ ! 16: u_short pcl_tsdb; /* Transmitter Source Data Buffer */ ! 17: short pcl_tsbc; /* Transmitter Source Byte Count */ ! 18: u_short pcl_tsba; /* Transmitter Source Bus Address */ ! 19: u_short pcl_tmmr; /* Transmitter Master/Maint Regs */ ! 20: u_short pcl_tscrc; /* Transmitter Source CRC */ ! 21: u_short pcl_spare; ! 22: u_short pcl_rcr; /* Receiver Command Register */ ! 23: u_short pcl_rsr; /* Receiver Status Register */ ! 24: u_short pcl_rddb; /* Receiver Destination Data Buffer */ ! 25: short pcl_rdbc; /* Receiver Destination Byte Count */ ! 26: u_short pcl_rdba; /* Receiver Destination Bus Address */ ! 27: u_short pcl_rdcrc; /* Receiver Destination CRC */ ! 28: }; ! 29: ! 30: /* Transmitter Command and Status Bits */ ! 31: #define PCL_STTXM (1<<0) /* Start transmission */ ! 32: #define PCL_TXINIT (1<<1) /* Transmitter Initialize */ ! 33: #define PCL_IE (1<<6) /* Interrupt Enable */ ! 34: #define PCL_SNDWD (1<<13) /* Send word */ ! 35: #define PCL_TXNPR (1<<14) /* Transmitter NPR */ ! 36: #define PCL_RIB (1<<15) /* Retry if busy */ ! 37: ! 38: #define PCL_RESPA (3<<0) /* Response A bits (tsr & rsr) */ ! 39: #define PCL_RESPB (3<<2) /* Response B bits (tsr & rsr) */ ! 40: #define PCL_MSTDWN (1<<11) /* Master down */ ! 41: #define PCL_ERR (1<<15) /* Error summary */ ! 42: ! 43: #define PCL_MASTER (1<<8) /* Set MASTER status */ ! 44: #define PCL_AUTOADDR (1<<12) /* Auto time slicing */ ! 45: ! 46: /* Receiver Command and Status Bits */ ! 47: #define PCL_RCVDAT (1<<0) /* Receive data */ ! 48: #define PCL_RCINIT (1<<1) /* Receiver Initialize */ ! 49: #define PCL_RCVWD (1<<13) /* Receive word */ ! 50: #define PCL_RCNPR (1<<14) /* Receive NRP */ ! 51: #define PCL_REJ (1<<15) /* Reject transmission */ ! 52: ! 53: #define PCL_BCOFL (1<<9) /* Byte Counter Overflow */ ! 54: ! 55: #define PCL_TERRBITS "\20\20ERR\17NXL\16MEM_OFL\15TXM_ERR\14MST_DWN\13TIM_OUT\12OVERRUN\11DTI_RDY\10SUC_TXF\07BUSY\06SOREJ\05TBS_BUSY" ! 56: #define PCL_TCSRBITS "\20\20RIB\17TX_NPR\16SND_WD\10RD_SILO\07IE\04DTO_RDY\03INH_ADI\02TX_INIT\01START_TXM" ! 57: ! 58: #define PCL_RERRBITS "\20\20ERR\17NXL\16MEM_OFL\15TXM_ERR\14PARITY\13TIM_OUT\12BC_OFL\11DTO_RDY\10SUC_TXF\07BUSY\06REJ_COMP\05CHN_OPN" ! 59: #define PCL_RCSRBITS "\20\20REJ\17RC_NPR\16RCV_WD\10LD_SILO\07IE\04DTI_RDY\03INH_ADI\02RC_INIT\01RCV_DAT"
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