sys/dev/isa/if_egreg.h

   1 /*      $NetBSD: if_egreg.h,v 1.3.66.1 2005/03/04 16:43:13 skrll Exp $  */
   2
   3 /*
   4  * Copyright (c) 1993 Dean Huxley (dean@fsa.ca)
   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. All advertising materials mentioning features or use of this software
  16  *    must display the following acknowledgement:
  17  *      This product includes software developed by Dean Huxley.
  18  * 4. The name of Dean Huxley may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission.
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * Register offsets from base.
  35  */
  36 #define EG_COMMAND      0x00
  37 #define EG_STATUS       0x02
  38 #define EG_DATA         0x04
  39 #define EG_CONTROL      0x06
  40
  41 /*
  42  * Host Control Register bits
  43  * EG_CTL_ATTN - does a soft reset
  44  * EG_CTL_FLSH - flushes the data register
  45  * EG_CTL_RESET - does a hard reset
  46  * EG_CTL_DMAE - Used with DIR bit, enables DMA transfers to/from data reg.
  47  * EG_CTL_DIR  - if clear then host -> adapter, if set then adapter -> host
  48  * EG_CTL_TCEN - terminal count enable. enables host interrupt after DMA.
  49  * EG_CTL_CMDE - command reg interrupt enable. (when it is written)
  50  * EG_CTL_HSF1 - Host status flag 1
  51  * EG_CTL_HSF2 - Host status flag 2
  52  */
  53
  54 #define EG_CTL_ATTN 0x80
  55 #define EG_CTL_FLSH 0x40
  56 #define EG_CTL_RESET (EG_CTL_ATTN|EG_CTL_FLSH)
  57 #define EG_CTL_DMAE 0x20
  58 #define EG_CTL_DIR  0x10
  59 #define EG_CTL_TCEN 0x08
  60 #define EG_CTL_CMDE 0x04
  61 #define EG_CTL_HSF2 0x02
  62 #define EG_CTL_HSF1 0x01
  63
  64 /*
  65  * Host Status Register bits
  66  * EG_STAT_HRDY - Data Register ready
  67  * EG_STAT_HCRE - Host Command Register empty
  68  * EG_STAT_ACRF - Adapter Command register full
  69  * EG_STAT_DIR  - Direction flag, 0 = host -> adapter, 1 = adapter -> host
  70  * EG_STAT_DONE - DMA done
  71  * EG_STAT_ASF1 - Adapter status flag 1
  72  * EG_STAT_ASF2 - Adapter status flag 2
  73  * EG_STAT_ASF3 - Adapter status flag 3
  74  */
  75
  76 #define EG_STAT_HRDY 0x80
  77 #define EG_STAT_HCRE 0x40
  78 #define EG_STAT_ACRF 0x20
  79 #define EG_STAT_DIR  0x10
  80 #define EG_STAT_DONE 0x08
  81 #define EG_STAT_ASF3 0x04
  82 #define EG_STAT_ASF2 0x02
  83 #define EG_STAT_ASF1 0x01
  84
  85 #define EG_PCB_NULL     0x00
  86 #define EG_PCB_ACCEPT   0x01
  87 #define EG_PCB_REJECT   0x02
  88 #define EG_PCB_DONE     0x03
  89 #define EG_PCB_STAT     0x03
  90
  91 #define EG_CMD_CONFIG82586      0x02
  92 #define EG_CMD_GETEADDR         0x03
  93 #define EG_CMD_RECVPACKET       0x08
  94 #define EG_CMD_SENDPACKET       0x09
  95 #define EG_CMD_GETSTATS         0x0a
  96 #define EG_CMD_SETEADDR         0x10
  97 #define EG_CMD_GETINFO          0x11
  98
  99 #define EG_RSP_CONFIG82586      0x32
 100 #define EG_RSP_GETEADDR         0x33
 101 #define EG_RSP_RECVPACKET       0x38
 102 #define EG_RSP_SENDPACKET       0x39
 103 #define EG_RSP_GETSTATS         0x3a
 104 #define EG_RSP_SETEADDR         0x40
 105 #define EG_RSP_GETINFO          0x41