- /*
- * linux/drivers/acorn/net/ether3.h
- *
- * Copyright (C) 1995-2000 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * network driver for Acorn/ANT Ether3 cards
- */
- #ifndef _LINUX_ether3_H
- #define _LINUX_ether3_H
- /* use 0 for production, 1 for verification, >2 for debug. debug flags: */
- #define DEBUG_TX 2
- #define DEBUG_RX 4
- #define DEBUG_INT 8
- #define DEBUG_IC 16
- #ifndef NET_DEBUG
- #define NET_DEBUG 0
- #endif
- /* Command register definitions & bits */
- #define REG_COMMAND (dev->base_addr + 0x00)
- #define CMD_ENINTDMA 0x0001
- #define CMD_ENINTRX 0x0002
- #define CMD_ENINTTX 0x0004
- #define CMD_ENINTBUFWIN 0x0008
- #define CMD_ACKINTDMA 0x0010
- #define CMD_ACKINTRX 0x0020
- #define CMD_ACKINTTX 0x0040
- #define CMD_ACKINTBUFWIN 0x0080
- #define CMD_DMAON 0x0100
- #define CMD_RXON 0x0200
- #define CMD_TXON 0x0400
- #define CMD_DMAOFF 0x0800
- #define CMD_RXOFF 0x1000
- #define CMD_TXOFF 0x2000
- #define CMD_FIFOREAD 0x4000
- #define CMD_FIFOWRITE 0x8000
- /* status register */
- #define REG_STATUS (dev->base_addr + 0x00)
- #define STAT_ENINTSTAT 0x0001
- #define STAT_ENINTRX 0x0002
- #define STAT_ENINTTX 0x0004
- #define STAT_ENINTBUFWIN 0x0008
- #define STAT_INTDMA 0x0010
- #define STAT_INTRX 0x0020
- #define STAT_INTTX 0x0040
- #define STAT_INTBUFWIN 0x0080
- #define STAT_DMAON 0x0100
- #define STAT_RXON 0x0200
- #define STAT_TXON 0x0400
- #define STAT_FIFOFULL 0x2000
- #define STAT_FIFOEMPTY 0x4000
- #define STAT_FIFODIR 0x8000
- /* configuration register 1 */
- #define REG_CONFIG1 (dev->base_addr + 0x10)
- #define CFG1_BUFSELSTAT0 0x0000
- #define CFG1_BUFSELSTAT1 0x0001
- #define CFG1_BUFSELSTAT2 0x0002
- #define CFG1_BUFSELSTAT3 0x0003
- #define CFG1_BUFSELSTAT4 0x0004
- #define CFG1_BUFSELSTAT5 0x0005
- #define CFG1_ADDRPROM 0x0006
- #define CFG1_TRANSEND 0x0007
- #define CFG1_LOCBUFMEM 0x0008
- #define CFG1_INTVECTOR 0x0009
- #define CFG1_RECVSPECONLY 0x0000
- #define CFG1_RECVSPECBROAD 0x4000
- #define CFG1_RECVSPECBRMULTI 0x8000
- #define CFG1_RECVPROMISC 0xC000
- /* The following aren't in 8004 */
- #define CFG1_DMABURSTCONT 0x0000
- #define CFG1_DMABURST800NS 0x0010
- #define CFG1_DMABURST1600NS 0x0020
- #define CFG1_DMABURST3200NS 0x0030
- #define CFG1_DMABURST1 0x0000
- #define CFG1_DMABURST4 0x0040
- #define CFG1_DMABURST8 0x0080
- #define CFG1_DMABURST16 0x00C0
- #define CFG1_RECVCOMPSTAT0 0x0100
- #define CFG1_RECVCOMPSTAT1 0x0200
- #define CFG1_RECVCOMPSTAT2 0x0400
- #define CFG1_RECVCOMPSTAT3 0x0800
- #define CFG1_RECVCOMPSTAT4 0x1000
- #define CFG1_RECVCOMPSTAT5 0x2000
- /* configuration register 2 */
- #define REG_CONFIG2 (dev->base_addr + 0x20)
- #define CFG2_BYTESWAP 0x0001
- #define CFG2_ERRENCRC 0x0008
- #define CFG2_ERRENDRIBBLE 0x0010
- #define CFG2_ERRSHORTFRAME 0x0020
- #define CFG2_SLOTSELECT 0x0040
- #define CFG2_PREAMSELECT 0x0080
- #define CFG2_ADDRLENGTH 0x0100
- #define CFG2_RECVCRC 0x0200
- #define CFG2_XMITNOCRC 0x0400
- #define CFG2_LOOPBACK 0x0800
- #define CFG2_CTRLO 0x1000
- #define CFG2_RESET 0x8000
- #define REG_RECVEND (dev->base_addr + 0x30)
- #define REG_BUFWIN (dev->base_addr + 0x40)
- #define REG_RECVPTR (dev->base_addr + 0x50)
- #define REG_TRANSMITPTR (dev->base_addr + 0x60)
- #define REG_DMAADDR (dev->base_addr + 0x70)
- /*
- * Cards transmit/receive headers
- */
- #define TX_NEXT (0xffff)
- #define TXHDR_ENBABBLEINT (1 << 16)
- #define TXHDR_ENCOLLISIONINT (1 << 17)
- #define TXHDR_EN16COLLISION (1 << 18)
- #define TXHDR_ENSUCCESS (1 << 19)
- #define TXHDR_DATAFOLLOWS (1 << 21)
- #define TXHDR_CHAINCONTINUE (1 << 22)
- #define TXHDR_TRANSMIT (1 << 23)
- #define TXSTAT_BABBLED (1 << 24)
- #define TXSTAT_COLLISION (1 << 25)
- #define TXSTAT_16COLLISIONS (1 << 26)
- #define TXSTAT_DONE (1 << 31)
- #define RX_NEXT (0xffff)
- #define RXHDR_CHAINCONTINUE (1 << 6)
- #define RXHDR_RECEIVE (1 << 7)
- #define RXSTAT_OVERSIZE (1 << 8)
- #define RXSTAT_CRCERROR (1 << 9)
- #define RXSTAT_DRIBBLEERROR (1 << 10)
- #define RXSTAT_SHORTPACKET (1 << 11)
- #define RXSTAT_DONE (1 << 15)
- #define TX_START 0x0000
- #define TX_END 0x6000
- #define RX_START 0x6000
- #define RX_LEN 0xA000
- #define RX_END 0x10000
- /* must be a power of 2 and greater than MAX_TX_BUFFERED */
- #define MAX_TXED 16
- #define MAX_TX_BUFFERED 10
- struct dev_priv {
- struct {
- unsigned int command;
- unsigned int config1;
- unsigned int config2;
- } regs;
- unsigned char tx_head; /* buffer nr to insert next packet */
- unsigned char tx_tail; /* buffer nr of transmitting packet */
- unsigned int rx_head; /* address to fetch next packet from */
- struct net_device_stats stats;
- struct timer_list timer;
- int broken; /* 0 = ok, 1 = something went wrong */
- };
- #endif