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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_ecreg.h 7.1 (Berkeley) 6/5/86 ! 7: */ ! 8: ! 9: /* ! 10: * 3Com Ethernet controller registers. ! 11: */ ! 12: struct ecdevice { ! 13: short ec_rcr; /* Receive Control Register */ ! 14: short ec_xcr; /* Transmit Control Register */ ! 15: }; ! 16: ! 17: /* ! 18: * Control and status bits -- rcr ! 19: */ ! 20: #define EC_SPIE 0x8000 /* set parity interrupt enable */ ! 21: #define EC_ASTEP 0x4000 /* increment address counter */ ! 22: #define EC_AROM 0x2000 /* 1: Use address ROM, 0: use RAM */ ! 23: #define EC_PE 0x2000 /* Parity error */ ! 24: #define EC_AWCLK 0x1000 /* address write clock bit */ ! 25: #define EC_PIE 0x1000 /* Parity interrupt enable (read) */ ! 26: #define EC_ADATA 0x0f00 /* address/filtering */ ! 27: #define EC_RDONE 0x0080 /* receive done */ ! 28: #define EC_MDISAB 0x0080 /* memory disable */ ! 29: #define EC_RINTEN 0x0040 /* receive interrupt enable */ ! 30: #define EC_RCLR 0x0020 /* clear RDONE bit */ ! 31: #define EC_RWBN 0x0010 /* submit buffer for receive */ ! 32: #define EC_RBN 0x000f /* buffer number */ ! 33: ! 34: #define EC_RBITS "\10\16PE\15PIE\10RDONE\7RINTEN" ! 35: ! 36: /* ! 37: * Control and status bits -- xcr ! 38: */ ! 39: #define EC_JAM 0x8000 /* collision dectected */ ! 40: #define EC_JINTEN 0x4000 /* collision interrupt enable */ ! 41: #define EC_JCLR 0x2000 /* clear collision detect */ ! 42: #define EC_UECLR 0x0100 /* reset controller */ ! 43: #define EC_XDONE 0x0080 /* transmit done */ ! 44: #define EC_XINTEN 0x0040 /* transmit interrupt enable */ ! 45: #define EC_XCLR 0x0020 /* clear XDONE bit */ ! 46: #define EC_XWBN 0x0010 /* submit buffer for transmit */ ! 47: #define EC_XBN 0x000f /* buffer number */ ! 48: ! 49: #define EC_XBITS "\10\20JAM\17JINTEN\10XDONE\7XINTEN" ! 50: ! 51: /* ! 52: * Useful combinations ! 53: */ ! 54: #define EC_READ (0x600|EC_RINTEN|EC_RWBN) ! 55: #define EC_WRITE (EC_JINTEN|EC_XINTEN|EC_XWBN) ! 56: #define EC_CLEAR (EC_JINTEN|EC_XINTEN|EC_JCLR) ! 57: ! 58: /* ! 59: * Buffer number definitions ! 60: */ ! 61: #define ECTBF 0 /* Buffer for transmit */ ! 62: #define ECRLBF 1 /* First buffer for receive */ ! 63: #define ECRHBF 15 /* Last buffer for receive */ ! 64: ! 65: #define ECRDOFF 528 /* Packet offset in read buffer */
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