sys/arch/hp300/stand/common/if_lereg.h

   1 /*      $NetBSD: if_lereg.h,v 1.2.24.3 2004/09/21 13:15:27 skrll Exp $  */
   2
   3 /*
   4  * Copyright (c) 1982, 1990 The Regents of the University of California.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  * 3. Neither the name of the University nor the names of its contributors
  16  *    may be used to endorse or promote products derived from this software
  17  *    without specific prior written permission.
  18  *
  19  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  20  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  23  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  24  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  25  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  26  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  27  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  28  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  29  * SUCH DAMAGE.
  30  *
  31  *      @(#)if_lereg.h  7.1 (Berkeley) 5/8/90
  32  */
  33
  34 #define LEID            21
  35
  36 #define NTBUF   2
  37 #define TLEN    1
  38 #define NRBUF   8
  39 #define RLEN    3
  40 #define BUFSIZE 1518
  41
  42 #define vu_char         volatile u_char
  43 #define vu_short        volatile u_short
  44
  45 /*
  46  * LANCE registers.
  47  */
  48 struct lereg0 {
  49         u_char  ler0_pad0;
  50         vu_char ler0_id;        /* ID */
  51         u_char  ler0_pad1;
  52         vu_char ler0_status;    /* interrupt enable/status */
  53 } __attribute__((__packed__));
  54
  55 /*
  56  * Control and status bits -- lereg0
  57  */
  58 #define LE_IE           0x80            /* interrupt enable */
  59 #define LE_IR           0x40            /* interrupt requested */
  60 #define LE_LOCK         0x08            /* lock status register */
  61 #define LE_ACK          0x04            /* ack of lock */
  62 #define LE_JAB          0x02            /* loss of tx clock (???) */
  63 #define LE_IPL(x)       ((((x) >> 4) & 0x3) + 3)
  64
  65 struct lereg1 {
  66         vu_short        ler1_rdp;       /* data port */
  67         vu_short        ler1_rap;       /* register select port */
  68 } __attribute__((__packed__));
  69
  70 /*
  71  * Control and status bits -- lereg1
  72  */
  73 #define LE_SERR         0x8000
  74 #define LE_BABL         0x4000
  75 #define LE_CERR         0x2000
  76 #define LE_MISS         0x1000
  77 #define LE_MERR         0x0800
  78 #define LE_RINT         0x0400
  79 #define LE_TINT         0x0200
  80 #define LE_IDON         0x0100
  81 #define LE_INTR         0x0080
  82 #define LE_INEA         0x0040
  83 #define LE_RXON         0x0020
  84 #define LE_TXON         0x0010
  85 #define LE_TDMD         0x0008
  86 #define LE_STOP         0x0004
  87 #define LE_STRT         0x0002
  88 #define LE_INIT         0x0001
  89
  90 #define LE_BSWP         0x0004
  91 #define LE_ACON         0x0002
  92 #define LE_BCON         0x0001
  93
  94 /*
  95  * Overlayed on 16K dual-port RAM.
  96  * Current size is 15,284 bytes with 8 x 1518 receive buffers and
  97  * 2 x 1518 transmit buffers.
  98  */
  99
 100 /*
 101  * LANCE initialization block
 102  */
 103 struct init_block {
 104         u_short mode;           /* mode register */
 105         u_char padr[6];         /* ethernet address */
 106         u_long ladrf[2];        /* logical address filter (multicast) */
 107         u_short rdra;           /* low order pointer to receive ring */
 108         u_short rlen;           /* high order pointer and no. rings */
 109         u_short tdra;           /* low order pointer to transmit ring */
 110         u_short tlen;           /* high order pointer and no rings */
 111 } __attribute__((__packed__));
 112
 113 /*
 114  * Mode bits -- init_block
 115  */
 116 #define LE_PROM         0x8000          /* promiscuous */
 117 #define LE_INTL         0x0040          /* internal loopback */
 118 #define LE_DRTY         0x0020          /* disable retry */
 119 #define LE_COLL         0x0010          /* force collision */
 120 #define LE_DTCR         0x0008          /* disable transmit crc */
 121 #define LE_LOOP         0x0004          /* loopback */
 122 #define LE_DTX          0x0002          /* disable transmitter */
 123 #define LE_DRX          0x0001          /* disable receiver */
 124 #define LE_NORMAL       0x0000
 125
 126 /*
 127  * Message descriptor
 128  */
 129 struct mds {
 130         u_short addr;
 131         u_short flags;
 132         u_short bcnt;
 133         u_short mcnt;
 134 } __attribute__((__packed__));
 135
 136 /* Message descriptor flags */
 137 #define LE_OWN          0x8000          /* owner bit, 0=host, 1=LANCE */
 138 #define LE_ERR          0x4000          /* error */
 139 #define LE_STP          0x0200          /* start of packet */
 140 #define LE_ENP          0x0100          /* end of packet */
 141
 142 /* Receive ring status flags */
 143 #define LE_FRAM         0x2000          /* framing error error */
 144 #define LE_OFLO         0x1000          /* silo overflow */
 145 #define LE_CRC          0x0800          /* CRC error */
 146 #define LE_RBUFF        0x0400          /* buffer error */
 147
 148 /* Transmit ring status flags */
 149 #define LE_MORE         0x1000          /* more than 1 retry */
 150 #define LE_ONE          0x0800          /* one retry */
 151 #define LE_DEF          0x0400          /* deferred transmit */
 152
 153 /* Transmit errors */
 154 #define LE_TBUFF        0x8000          /* buffer error */
 155 #define LE_UFLO         0x4000          /* silo underflow */
 156 #define LE_LCOL         0x1000          /* late collision */
 157 #define LE_LCAR         0x0800          /* loss of carrier */
 158 #define LE_RTRY         0x0400          /* tried 16 times */