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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 | /* * dz.h: Serial port driver for DECStations equiped * with the DZ chipset. * * Copyright (C) 1998 Olivier A. D. Lebaillif * * Email: olivier.lebaillif@ifrsys.com * */ #ifndef DZ_SERIAL_H #define DZ_SERIAL_H /* * Definitions for the Control and Status Received. */ #define DZ_TRDY 0x8000 /* Transmitter empty */ #define DZ_TIE 0x4000 /* Transmitter Interrupt Enable */ #define DZ_RDONE 0x0080 /* Receiver data ready */ #define DZ_RIE 0x0040 /* Receive Interrupt Enable */ #define DZ_MSE 0x0020 /* Master Scan Enable */ #define DZ_CLR 0x0010 /* Master reset */ #define DZ_MAINT 0x0008 /* Loop Back Mode */ /* * Definitions for the Received buffer. */ #define DZ_RBUF_MASK 0x00FF /* Data Mask in the Receive Buffer */ #define DZ_LINE_MASK 0x0300 /* Line Mask in the Receive Buffer */ #define DZ_DVAL 0x8000 /* Valid Data indicator */ #define DZ_OERR 0x4000 /* Overrun error indicator */ #define DZ_FERR 0x2000 /* Frame error indicator */ #define DZ_PERR 0x1000 /* Parity error indicator */ #define LINE(x) (x & DZ_LINE_MASK) >> 8 /* Get the line number from the input buffer */ #define UCHAR(x) (unsigned char)(x & DZ_RBUF_MASK) /* * Definitions for the Transmit Register. */ #define DZ_LINE_KEYBOARD 0x0001 #define DZ_LINE_MOUSE 0x0002 #define DZ_LINE_MODEM 0x0004 #define DZ_LINE_PRINTER 0x0008 #define DZ_MODEM_DTR 0x0400 /* DTR for the modem line (2) */ /* * Definitions for the Modem Status Register. */ #define DZ_MODEM_DSR 0x0200 /* DSR for the modem line (2) */ /* * Definitions for the Transmit Data Register. */ #define DZ_BRK0 0x0100 /* Break assertion for line 0 */ #define DZ_BRK1 0x0200 /* Break assertion for line 1 */ #define DZ_BRK2 0x0400 /* Break assertion for line 2 */ #define DZ_BRK3 0x0800 /* Break assertion for line 3 */ /* * Definitions for the Line Parameter Register. */ #define DZ_KEYBOARD 0x0000 /* line 0 = keyboard */ #define DZ_MOUSE 0x0001 /* line 1 = mouse */ #define DZ_MODEM 0x0002 /* line 2 = modem */ #define DZ_PRINTER 0x0003 /* line 3 = printer */ #define DZ_CSIZE 0x0018 /* Number of bits per byte (mask) */ #define DZ_CS5 0x0000 /* 5 bits per byte */ #define DZ_CS6 0x0008 /* 6 bits per byte */ #define DZ_CS7 0x0010 /* 7 bits per byte */ #define DZ_CS8 0x0018 /* 8 bits per byte */ #define DZ_CSTOPB 0x0020 /* 2 stop bits instead of one */ #define DZ_PARENB 0x0040 /* Parity enable */ #define DZ_PARODD 0x0080 /* Odd parity instead of even */ #define DZ_CBAUD 0x0E00 /* Baud Rate (mask) */ #define DZ_B50 0x0000 #define DZ_B75 0x0100 #define DZ_B110 0x0200 #define DZ_B134 0x0300 #define DZ_B150 0x0400 #define DZ_B300 0x0500 #define DZ_B600 0x0600 #define DZ_B1200 0x0700 #define DZ_B1800 0x0800 #define DZ_B2000 0x0900 #define DZ_B2400 0x0A00 #define DZ_B3600 0x0B00 #define DZ_B4800 0x0C00 #define DZ_B7200 0x0D00 #define DZ_B9600 0x0E00 #define DZ_CREAD 0x1000 /* Enable receiver */ #define DZ_RXENAB 0x1000 /* enable receive char */ /* * Addresses for the DZ registers */ #define DZ_CSR 0x00 /* Control and Status Register */ #define DZ_RBUF 0x08 /* Receive Buffer */ #define DZ_LPR 0x08 /* Line Parameters Register */ #define DZ_TCR 0x10 /* Transmitter Control Register */ #define DZ_MSR 0x18 /* Modem Status Register */ #define DZ_TDR 0x18 /* Transmit Data Register */ #define DZ_NB_PORT 4 #define DZ_XMIT_SIZE 4096 /* buffer size */ #define DZ_WAKEUP_CHARS DZ_XMIT_SIZE/4 #ifdef MODULE int init_module (void) void cleanup_module (void) #endif #endif /* DZ_SERIAL_H */ |