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"
Defined struct's
Defined macros
Usage of this include