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1.1 ! root 1: /*- ! 2: * ! 3: * This software may be used and distributed according to the terms ! 4: * of the GNU Public License, incorporated herein by reference. ! 5: * ! 6: * Module : sk_g16.h ! 7: * Version : $Revision: 1.1.1.1 $ ! 8: * ! 9: * Author : M.Hipp ([email protected]) ! 10: * changes by : Patrick J.D. Weichmann ! 11: * ! 12: * Date Created : 94/05/25 ! 13: * ! 14: * Description : In here are all necessary definitions of ! 15: * the am7990 (LANCE) chip used for writing a ! 16: * network device driver which uses this chip ! 17: * ! 18: * $Log: sk_g16.h,v $ ! 19: * Revision 1.1.1.1 1997/02/25 21:27:39 thomas ! 20: * Initial source ! 21: * ! 22: * Revision 1.1.1.1 1996/10/30 01:39:56 thomas ! 23: * Imported from UK22 ! 24: * ! 25: * Revision 1.3 1996/03/25 20:24:35 goel ! 26: * Linux driver merge. ! 27: * ! 28: -*/ ! 29: ! 30: #ifndef SK_G16_H ! 31: ! 32: #define SK_G16_H ! 33: ! 34: ! 35: /* ! 36: * Control and Status Register 0 (CSR0) bit definitions ! 37: * ! 38: * (R=Readable) (W=Writeable) (S=Set on write) (C-Clear on write) ! 39: * ! 40: */ ! 41: ! 42: #define CSR0_ERR 0x8000 /* Error summary (R) */ ! 43: #define CSR0_BABL 0x4000 /* Babble transmitter timeout error (RC) */ ! 44: #define CSR0_CERR 0x2000 /* Collision Error (RC) */ ! 45: #define CSR0_MISS 0x1000 /* Missed packet (RC) */ ! 46: #define CSR0_MERR 0x0800 /* Memory Error (RC) */ ! 47: #define CSR0_RINT 0x0400 /* Receiver Interrupt (RC) */ ! 48: #define CSR0_TINT 0x0200 /* Transmit Interrupt (RC) */ ! 49: #define CSR0_IDON 0x0100 /* Initialization Done (RC) */ ! 50: #define CSR0_INTR 0x0080 /* Interrupt Flag (R) */ ! 51: #define CSR0_INEA 0x0040 /* Interrupt Enable (RW) */ ! 52: #define CSR0_RXON 0x0020 /* Receiver on (R) */ ! 53: #define CSR0_TXON 0x0010 /* Transmitter on (R) */ ! 54: #define CSR0_TDMD 0x0008 /* Transmit Demand (RS) */ ! 55: #define CSR0_STOP 0x0004 /* Stop (RS) */ ! 56: #define CSR0_STRT 0x0002 /* Start (RS) */ ! 57: #define CSR0_INIT 0x0001 /* Initialize (RS) */ ! 58: ! 59: #define CSR0_CLRALL 0x7f00 /* mask for all clearable bits */ ! 60: ! 61: /* ! 62: * Control and Status Register 3 (CSR3) bit definitions ! 63: * ! 64: */ ! 65: ! 66: #define CSR3_BSWAP 0x0004 /* Byte Swap (RW) */ ! 67: #define CSR3_ACON 0x0002 /* ALE Control (RW) */ ! 68: #define CSR3_BCON 0x0001 /* Byte Control (RW) */ ! 69: ! 70: /* ! 71: * Initialization Block Mode operation Bit Definitions. ! 72: */ ! 73: ! 74: #define MODE_PROM 0x8000 /* Promiscuous Mode */ ! 75: #define MODE_INTL 0x0040 /* Internal Loopback */ ! 76: #define MODE_DRTY 0x0020 /* Disable Retry */ ! 77: #define MODE_COLL 0x0010 /* Force Collision */ ! 78: #define MODE_DTCR 0x0008 /* Disable Transmit CRC) */ ! 79: #define MODE_LOOP 0x0004 /* Loopback */ ! 80: #define MODE_DTX 0x0002 /* Disable the Transmitter */ ! 81: #define MODE_DRX 0x0001 /* Disable the Receiver */ ! 82: ! 83: #define MODE_NORMAL 0x0000 /* Normal operation mode */ ! 84: ! 85: /* ! 86: * Receive message descriptor status bit definitions. ! 87: */ ! 88: ! 89: #define RX_OWN 0x80 /* Owner bit 0 = host, 1 = lance */ ! 90: #define RX_ERR 0x40 /* Error Summary */ ! 91: #define RX_FRAM 0x20 /* Framing Error */ ! 92: #define RX_OFLO 0x10 /* Overflow Error */ ! 93: #define RX_CRC 0x08 /* CRC Error */ ! 94: #define RX_BUFF 0x04 /* Buffer Error */ ! 95: #define RX_STP 0x02 /* Start of Packet */ ! 96: #define RX_ENP 0x01 /* End of Packet */ ! 97: ! 98: ! 99: /* ! 100: * Transmit message descriptor status bit definitions. ! 101: */ ! 102: ! 103: #define TX_OWN 0x80 /* Owner bit 0 = host, 1 = lance */ ! 104: #define TX_ERR 0x40 /* Error Summary */ ! 105: #define TX_MORE 0x10 /* More the 1 retry needed to Xmit */ ! 106: #define TX_ONE 0x08 /* One retry needed to Xmit */ ! 107: #define TX_DEF 0x04 /* Deferred */ ! 108: #define TX_STP 0x02 /* Start of Packet */ ! 109: #define TX_ENP 0x01 /* End of Packet */ ! 110: ! 111: /* ! 112: * Transmit status (2) (valid if TX_ERR == 1) ! 113: */ ! 114: ! 115: #define TX_BUFF 0x8000 /* Buffering error (no ENP) */ ! 116: #define TX_UFLO 0x4000 /* Underflow (late memory) */ ! 117: #define TX_LCOL 0x1000 /* Late collision */ ! 118: #define TX_LCAR 0x0400 /* Loss of Carrier */ ! 119: #define TX_RTRY 0x0200 /* Failed after 16 retransmissions */ ! 120: #define TX_TDR 0x003f /* Time-domain-reflectometer-value */ ! 121: ! 122: ! 123: /* ! 124: * Structures used for Communication with the LANCE ! 125: */ ! 126: ! 127: /* LANCE Initialize Block */ ! 128: ! 129: struct init_block ! 130: { ! 131: unsigned short mode; /* Mode Register */ ! 132: unsigned char paddr[6]; /* Physical Address (MAC) */ ! 133: unsigned char laddr[8]; /* Logical Filter Address (not used) */ ! 134: unsigned int rdrp; /* Receive Descriptor Ring pointer */ ! 135: unsigned int tdrp; /* Transmit Descriptor Ring pointer */ ! 136: }; ! 137: ! 138: ! 139: /* Receive Message Descriptor Entry */ ! 140: ! 141: struct rmd ! 142: { ! 143: union ! 144: { ! 145: unsigned long buffer; /* Address of buffer */ ! 146: struct ! 147: { ! 148: unsigned char unused[3]; ! 149: unsigned volatile char status; /* Status Bits */ ! 150: } s; ! 151: } u; ! 152: volatile short blen; /* Buffer Length (two's complement) */ ! 153: unsigned short mlen; /* Message Byte Count */ ! 154: }; ! 155: ! 156: ! 157: /* Transmit Message Descriptor Entry */ ! 158: ! 159: struct tmd ! 160: { ! 161: union ! 162: { ! 163: unsigned long buffer; /* Address of buffer */ ! 164: struct ! 165: { ! 166: unsigned char unused[3]; ! 167: unsigned volatile char status; /* Status Bits */ ! 168: } s; ! 169: } u; ! 170: unsigned short blen; /* Buffer Length (two's complement) */ ! 171: unsigned volatile short status2; /* Error Status Bits */ ! 172: }; ! 173: ! 174: #endif /* End of SK_G16_H */
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