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/*
* Copyright (c) 1993 Dean Huxley (dean@fsa.ca)
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Dean Huxley.
* 4. The name of Dean Huxley may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: if_egreg.h,v 1.1 1995/04/08 09:39:36 phk Exp $
*/
/*
* Register offsets from base.
*/
#define EG_COMMAND 0x00
#define EG_STATUS 0x02
#define EG_DATA 0x04
#define EG_CONTROL 0x06
/*
* Host Control Register bits
* EG_CTL_ATTN - does a soft reset
* EG_CTL_FLSH - flushes the data register
* EG_CTL_RESET - does a hard reset
* EG_CTL_DMAE - Used with DIR bit, enables DMA transfers to/from data reg.
* EG_CTL_DIR - if clear then host -> adapter, if set then adapter -> host
* EG_CTL_TCEN - terminal count enable. enables host interrupt after DMA.
* EG_CTL_CMDE - command reg interrupt enable. (when it is written)
* EG_CTL_HSF1 - Host status flag 1
* EG_CTL_HSF2 - Host status flag 2
*/
#define EG_CTL_ATTN 0x80
#define EG_CTL_FLSH 0x40
#define EG_CTL_RESET (EG_CTL_ATTN|EG_CTL_FLSH)
#define EG_CTL_DMAE 0x20
#define EG_CTL_DIR 0x10
#define EG_CTL_TCEN 0x08
#define EG_CTL_CMDE 0x04
#define EG_CTL_HSF2 0x02
#define EG_CTL_HSF1 0x01
/*
* Host Status Register bits
* EG_STAT_HRDY - Data Register ready
* EG_STAT_HCRE - Host Command Register empty
* EG_STAT_ACRF - Adapter Command register full
* EG_STAT_DIR - Direction flag, 0 = host -> adapter, 1 = adapter -> host
* EG_STAT_DONE - DMA done
* EG_STAT_ASF1 - Adapter status flag 1
* EG_STAT_ASF2 - Adapter status flag 2
* EG_STAT_ASF3 - Adapter status flag 3
*/
#define EG_STAT_HRDY 0x80
#define EG_STAT_HCRE 0x40
#define EG_STAT_ACRF 0x20
#define EG_STAT_DIR 0x10
#define EG_STAT_DONE 0x08
#define EG_STAT_ASF3 0x04
#define EG_STAT_ASF2 0x02
#define EG_STAT_ASF1 0x01
#define EG_PCB_ACCEPT 1
#define EG_PCB_REJECT 2
#define EG_PCB_DONE 3
#define EG_PCB_STAT(x) ((x)&3)
#define EG_PCB_MASK(x) ((x)&~3)
#define EG_CMD_CONFIG82586 0x02
#define EG_CMD_GETEADDR 0x03
#define EG_CMD_RECVPACKET 0x08
#define EG_CMD_SENDPACKET 0x09
#define EG_CMD_GETSTATS 0x0a
#define EG_CMD_SETEADDR 0x10
#define EG_CMD_GETINFO 0x11
#define EG_RSP_CONFIG82586 0x32
#define EG_RSP_GETEADDR 0x33
#define EG_RSP_RECVPACKET 0x38
#define EG_RSP_SENDPACKET 0x39
#define EG_RSP_GETSTATS 0x3a
#define EG_RSP_SETEADDR 0x40
#define EG_RSP_GETINFO 0x41
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