sys/dev/netif/sbni/if_sbnireg.h

   1 /*
   2  * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved.
   3  * Author: Denis I.Timofeev <timofeev@granch.ru>
   4  *
   5  * Redistributon and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice unmodified, this list of conditions, and the following
  10  *    disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
  16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  23  * LIABILITY, OR TORT (INCLUDING NEIGENCE OR OTHERWISE) ARISING IN ANY WAY
  24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  25  * SUCH DAMAGE.
  26  *
  27  * $FreeBSD: src/sys/dev/sbni/if_sbnireg.h,v 1.1.2.1 2001/12/19 20:59:28 fjoe Exp $
  28  * $DragonFly: src/sys/dev/netif/sbni/if_sbnireg.h,v 1.2 2003/06/17 04:28:29 dillon Exp $
  29  */
  30
  31 /*
  32  * We don't have registered vendor id yet...
  33  */
  34 #define SBNI_PCI_VENDOR         0x55
  35 #define SBNI_PCI_DEVICE         0x9f
  36
  37 #define ISA_MODE 0x00
  38 #define PCI_MODE 0x01
  39
  40 #define SBNI_PORTS      4
  41
  42 enum sbni_reg {
  43         CSR0 = 0,
  44         CSR1 = 1,
  45         DAT  = 2
  46 };
  47
  48 /* CSR0 mapping */
  49 enum {
  50         BU_EMP = 0x02,
  51         RC_CHK = 0x04,
  52         CT_ZER = 0x08,
  53         TR_REQ = 0x10,
  54         TR_RDY = 0x20,
  55         EN_INT = 0x40,
  56         RC_RDY = 0x80
  57 };
  58
  59
  60 /* CSR1 mapping */
  61 #define PR_RES 0x80
  62
  63 struct sbni_csr1 {
  64         unsigned rxl    : 5;
  65         unsigned rate   : 2;
  66         unsigned        : 1;
  67 };
  68
  69
  70
  71 #define FRAME_ACK_MASK  (u_int16_t)0x7000
  72 #define FRAME_LEN_MASK  (u_int16_t)0x03FF
  73 #define FRAME_FIRST     (u_int16_t)0x8000
  74 #define FRAME_RETRY     (u_int16_t)0x0800
  75
  76 #define FRAME_SENT_BAD  (u_int16_t)0x4000
  77 #define FRAME_SENT_OK   (u_int16_t)0x3000
  78
  79
  80 enum {
  81         FL_WAIT_ACK    = 1,
  82         FL_NEED_RESEND = 2,
  83         FL_PREV_OK     = 4,
  84         FL_SLOW_MODE   = 8
  85 };
  86
  87
  88 enum {
  89         DEFAULT_IOBASEADDR = 0x210,
  90         DEFAULT_INTERRUPTNUMBER = 5,
  91         DEFAULT_RATE = 0,
  92         DEFAULT_FRAME_LEN = 1012
  93 };
  94
  95 #define DEF_RXL_DELTA   -1
  96 #define DEF_RXL         0xf
  97
  98 #define SBNI_SIG 0x5a
  99
 100 #define SBNI_MIN_LEN    (ETHER_MIN_LEN - 4)
 101 #define SBNI_MAX_FRAME  1023
 102
 103 #define SBNI_HZ 18 /* ticks to wait for pong or packet */
 104                 /* sbni watchdog called SBNI_HZ times per sec. */
 105
 106 #define TR_ERROR_COUNT 32
 107 #define CHANGE_LEVEL_START_TICKS 4