drivers/net/depca.h

   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
 162 struct 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