Annotation of sys/dev/isa/if_egreg.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_egreg.h,v 1.3 2000/06/05 20:56:20 niklas Exp $ */
! 2: /* $NetBSD: if_egreg.h,v 1.3 1995/07/23 21:14:35 mycroft Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1993 Dean Huxley (dean@fsa.ca)
! 6: * All rights reserved.
! 7: *
! 8: * Redistribution and use in source and binary forms, with or without
! 9: * modification, are permitted provided that the following conditions
! 10: * are met:
! 11: * 1. Redistributions of source code must retain the above copyright
! 12: * notice, this list of conditions and the following disclaimer.
! 13: * 2. Redistributions in binary form must reproduce the above copyright
! 14: * notice, this list of conditions and the following disclaimer in the
! 15: * documentation and/or other materials provided with the distribution.
! 16: * 3. All advertising materials mentioning features or use of this software
! 17: * must display the following acknowledgement:
! 18: * This product includes software developed by Dean Huxley.
! 19: * 4. The name of Dean Huxley may not be used to endorse or promote products
! 20: * derived from this software without specific prior written permission.
! 21: *
! 22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 32: */
! 33:
! 34: /*
! 35: * Register offsets from base.
! 36: */
! 37: #define EG_COMMAND 0x00
! 38: #define EG_STATUS 0x02
! 39: #define EG_DATA 0x04
! 40: #define EG_CONTROL 0x06
! 41:
! 42: #define EG_IO_PORTS 8
! 43:
! 44: /*
! 45: * Host Control Register bits
! 46: * EG_CTL_ATTN - does a soft reset
! 47: * EG_CTL_FLSH - flushes the data register
! 48: * EG_CTL_RESET - does a hard reset
! 49: * EG_CTL_DMAE - Used with DIR bit, enables DMA transfers to/from data reg.
! 50: * EG_CTL_DIR - if clear then host -> adapter, if set then adapter -> host
! 51: * EG_CTL_TCEN - terminal count enable. enables host interrupt after DMA.
! 52: * EG_CTL_CMDE - command reg interrupt enable. (when it is written)
! 53: * EG_CTL_HSF1 - Host status flag 1
! 54: * EG_CTL_HSF2 - Host status flag 2
! 55: */
! 56:
! 57: #define EG_CTL_ATTN 0x80
! 58: #define EG_CTL_FLSH 0x40
! 59: #define EG_CTL_RESET (EG_CTL_ATTN|EG_CTL_FLSH)
! 60: #define EG_CTL_DMAE 0x20
! 61: #define EG_CTL_DIR 0x10
! 62: #define EG_CTL_TCEN 0x08
! 63: #define EG_CTL_CMDE 0x04
! 64: #define EG_CTL_HSF2 0x02
! 65: #define EG_CTL_HSF1 0x01
! 66:
! 67: /*
! 68: * Host Status Register bits
! 69: * EG_STAT_HRDY - Data Register ready
! 70: * EG_STAT_HCRE - Host Command Register empty
! 71: * EG_STAT_ACRF - Adapter Command register full
! 72: * EG_STAT_DIR - Direction flag, 0 = host -> adapter, 1 = adapter -> host
! 73: * EG_STAT_DONE - DMA done
! 74: * EG_STAT_ASF1 - Adapter status flag 1
! 75: * EG_STAT_ASF2 - Adapter status flag 2
! 76: * EG_STAT_ASF3 - Adapter status flag 3
! 77: */
! 78:
! 79: #define EG_STAT_HRDY 0x80
! 80: #define EG_STAT_HCRE 0x40
! 81: #define EG_STAT_ACRF 0x20
! 82: #define EG_STAT_DIR 0x10
! 83: #define EG_STAT_DONE 0x08
! 84: #define EG_STAT_ASF3 0x04
! 85: #define EG_STAT_ASF2 0x02
! 86: #define EG_STAT_ASF1 0x01
! 87:
! 88: #define EG_PCB_NULL 0x00
! 89: #define EG_PCB_ACCEPT 0x01
! 90: #define EG_PCB_REJECT 0x02
! 91: #define EG_PCB_DONE 0x03
! 92: #define EG_PCB_STAT 0x03
! 93:
! 94: #define EG_CMD_CONFIG82586 0x02
! 95: #define EG_CMD_GETEADDR 0x03
! 96: #define EG_CMD_RECVPACKET 0x08
! 97: #define EG_CMD_SENDPACKET 0x09
! 98: #define EG_CMD_GETSTATS 0x0a
! 99: #define EG_CMD_SETEADDR 0x10
! 100: #define EG_CMD_GETINFO 0x11
! 101:
! 102: #define EG_RSP_CONFIG82586 0x32
! 103: #define EG_RSP_GETEADDR 0x33
! 104: #define EG_RSP_RECVPACKET 0x38
! 105: #define EG_RSP_SENDPACKET 0x39
! 106: #define EG_RSP_GETSTATS 0x3a
! 107: #define EG_RSP_SETEADDR 0x40
! 108: #define EG_RSP_GETINFO 0x41
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