1/* 2 Written 1994 by David C. Davies. 3 4 Copyright 1994 David C. Davies. This software may be used and distributed 5 according to the terms of the GNU General Public License, incorporated herein by 6 reference. 7*/ 8 9/* 10** I/O addresses. Note that the 2k buffer option is not supported in 11** this driver. 12*/ 13#define DEPCA_NICSR ioaddr+0x00 /* Network interface CSR */ 14#define DEPCA_RBI ioaddr+0x02 /* RAM buffer index (2k buffer mode) */ 15#define DEPCA_DATA ioaddr+0x04 /* LANCE registers' data port */ 16#define DEPCA_ADDR ioaddr+0x06 /* LANCE registers' address port */ 17#define DEPCA_HBASE ioaddr+0x08 /* EISA high memory base address reg. */ 18#define DEPCA_PROM ioaddr+0x0c /* Ethernet address ROM data port */ 19#define DEPCA_CNFG ioaddr+0x0c /* EISA Configuration port */ 20#define DEPCA_RBSA ioaddr+0x0e /* RAM buffer starting address (2k buff.) */ 21 22/* 23** These are LANCE registers addressable through DEPCA_ADDR 24*/ 25#define CSR0 0 26#define CSR1 1 27#define CSR2 2 28#define CSR3 3 29 30/* 31** NETWORK INTERFACE CSR (NI_CSR) bit definitions 32*/ 33 34#define TO 0x0100 /* Time Out for remote boot */ 35#define SHE 0x0080 /* SHadow memory Enable */ 36#define BS 0x0040 /* Bank Select */ 37#define BUF 0x0020 /* BUFfer size (1->32k, 0->64k) */ 38#define RBE 0x0010 /* Remote Boot Enable (1->net boot) */ 39#define AAC 0x0008 /* Address ROM Address Counter (1->enable) */ 40#define _128KB 0x0008 /* 128kB Network RAM (1->enable) */ 41#define IM 0x0004 /* Interrupt Mask (1->mask) */ 42#define IEN 0x0002 /* Interrupt tristate ENable (1->enable) */ 43#define LED 0x0001 /* LED control */ 44 45/* 46** Control and Status Register 0 (CSR0) bit definitions 47*/ 48 49#define ERR 0x8000 /* Error summary */ 50#define BABL 0x4000 /* Babble transmitter timeout error */ 51#define CERR 0x2000 /* Collision Error */ 52#define MISS 0x1000 /* Missed packet */ 53#define MERR 0x0800 /* Memory Error */ 54#define RINT 0x0400 /* Receiver Interrupt */ 55#define TINT 0x0200 /* Transmit Interrupt */ 56#define IDON 0x0100 /* Initialization Done */ 57#define INTR 0x0080 /* Interrupt Flag */ 58#define INEA 0x0040 /* Interrupt Enable */ 59#define RXON 0x0020 /* Receiver on */ 60#define TXON 0x0010 /* Transmitter on */ 61#define TDMD 0x0008 /* Transmit Demand */ 62#define STOP 0x0004 /* Stop */ 63#define STRT 0x0002 /* Start */ 64#define INIT 0x0001 /* Initialize */ 65#define INTM 0xff00 /* Interrupt Mask */ 66#define INTE 0xfff0 /* Interrupt Enable */ 67 68/* 69** CONTROL AND STATUS REGISTER 3 (CSR3) 70*/ 71 72#define BSWP 0x0004 /* Byte SWaP */ 73#define ACON 0x0002 /* ALE control */ 74#define BCON 0x0001 /* Byte CONtrol */ 75 76/* 77** Initialization Block Mode Register 78*/ 79 80#define PROM 0x8000 /* Promiscuous Mode */ 81#define EMBA 0x0080 /* Enable Modified Back-off Algorithm */ 82#define INTL 0x0040 /* Internal Loopback */ 83#define DRTY 0x0020 /* Disable Retry */ 84#define COLL 0x0010 /* Force Collision */ 85#define DTCR 0x0008 /* Disable Transmit CRC */ 86#define LOOP 0x0004 /* Loopback */ 87#define DTX 0x0002 /* Disable the Transmitter */ 88#define DRX 0x0001 /* Disable the Receiver */ 89 90/* 91** Receive Message Descriptor 1 (RMD1) bit definitions. 92*/ 93 94#define R_OWN 0x80000000 /* Owner bit 0 = host, 1 = lance */ 95#define R_ERR 0x4000 /* Error Summary */ 96#define R_FRAM 0x2000 /* Framing Error */ 97#define R_OFLO 0x1000 /* Overflow Error */ 98#define R_CRC 0x0800 /* CRC Error */ 99#define R_BUFF 0x0400 /* Buffer Error */ 100#define R_STP 0x0200 /* Start of Packet */ 101#define R_ENP 0x0100 /* End of Packet */ 102 103/* 104** Transmit Message Descriptor 1 (TMD1) bit definitions. 105*/ 106 107#define T_OWN 0x80000000 /* Owner bit 0 = host, 1 = lance */ 108#define T_ERR 0x4000 /* Error Summary */ 109#define T_ADD_FCS 0x2000 /* More the 1 retry needed to Xmit */ 110#define T_MORE 0x1000 /* >1 retry to transmit packet */ 111#define T_ONE 0x0800 /* 1 try needed to transmit the packet */ 112#define T_DEF 0x0400 /* Deferred */ 113#define T_STP 0x02000000 /* Start of Packet */ 114#define T_ENP 0x01000000 /* End of Packet */ 115#define T_FLAGS 0xff000000 /* TX Flags Field */ 116 117/* 118** Transmit Message Descriptor 3 (TMD3) bit definitions. 119*/ 120 121#define TMD3_BUFF 0x8000 /* BUFFer error */ 122#define TMD3_UFLO 0x4000 /* UnderFLOw error */ 123#define TMD3_RES 0x2000 /* REServed */ 124#define TMD3_LCOL 0x1000 /* Late COLlision */ 125#define TMD3_LCAR 0x0800 /* Loss of CARrier */ 126#define TMD3_RTRY 0x0400 /* ReTRY error */ 127 128/* 129** EISA configuration Register (CNFG) bit definitions 130*/ 131 132#define TIMEOUT 0x0100 /* 0:2.5 mins, 1: 30 secs */ 133#define REMOTE 0x0080 /* Remote Boot Enable -> 1 */ 134#define IRQ11 0x0040 /* Enable -> 1 */ 135#define IRQ10 0x0020 /* Enable -> 1 */ 136#define IRQ9 0x0010 /* Enable -> 1 */ 137#define IRQ5 0x0008 /* Enable -> 1 */ 138#define BUFF 0x0004 /* 0: 64kB or 128kB, 1: 32kB */ 139#define PADR16 0x0002 /* RAM on 64kB boundary */ 140#define PADR17 0x0001 /* RAM on 128kB boundary */ 141 142/* 143** Miscellaneous 144*/ 145#define HASH_TABLE_LEN 64 /* Bits */ 146#define HASH_BITS 0x003f /* 6 LS bits */ 147 148#define MASK_INTERRUPTS 1 149#define UNMASK_INTERRUPTS 0 150 151#define EISA_EN 0x0001 /* Enable EISA bus buffers */ 152#define EISA_ID iobase+0x0080 /* ID long word for EISA card */ 153#define EISA_CTRL iobase+0x0084 /* Control word for EISA card */ 154 155/* 156** Include the IOCTL stuff 157*/ 158#include <linux/sockios.h> 159 160#define DEPCAIOCTL SIOCDEVPRIVATE 161 162struct depca_ioctl { 163 unsigned short cmd; /* Command to run */ 164 unsigned short len; /* Length of the data buffer */ 165 unsigned char __user *data; /* Pointer to the data buffer */ 166}; 167 168/* 169** Recognised commands for the driver 170*/ 171#define DEPCA_GET_HWADDR 0x01 /* Get the hardware address */ 172#define DEPCA_SET_HWADDR 0x02 /* Get the hardware address */ 173#define DEPCA_SET_PROM 0x03 /* Set Promiscuous Mode */ 174#define DEPCA_CLR_PROM 0x04 /* Clear Promiscuous Mode */ 175#define DEPCA_SAY_BOO 0x05 /* Say "Boo!" to the kernel log file */ 176#define DEPCA_GET_MCA 0x06 /* Get a multicast address */ 177#define DEPCA_SET_MCA 0x07 /* Set a multicast address */ 178#define DEPCA_CLR_MCA 0x08 /* Clear a multicast address */ 179#define DEPCA_MCA_EN 0x09 /* Enable a multicast address group */ 180#define DEPCA_GET_STATS 0x0a /* Get the driver statistics */ 181#define DEPCA_CLR_STATS 0x0b /* Zero out the driver statistics */ 182#define DEPCA_GET_REG 0x0c /* Get the Register contents */ 183#define DEPCA_SET_REG 0x0d /* Set the Register contents */ 184#define DEPCA_DUMP 0x0f /* Dump the DEPCA Status */ 185 186