111 lines
3.7 KiB
C
111 lines
3.7 KiB
C
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/*
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* Copyright (c) 1994, 1995 Ignatios Souvatzis
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* All rights reserved.
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*
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* This software was written by Ignatios Souvatzis and contributed
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* to the University of California at Berkeley.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $Id: if_bahreg.h,v 1.1 1995/02/28 22:04:06 chopps Exp $
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*/
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/*
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* The A2060/A560 card use the SMC COM90C26 Arcnet chipset.
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* First or last 16k segment, resp., write a fifo which drives the reset
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* line.
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* 2nd 16k segment contains the registers.
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* 3rd 16k segment contains the buffer RAM.
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* All are only accessible at even addresses.
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*/
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/* CBM Arcnet board */
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#define MANUFACTURER_1 514
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#define PRODUCT_1 9
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/* Ameristar board */
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#define MANUFACTURER_2 1053
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#define PRODUCT_2 9
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typedef struct {
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u_char volatile kick1;
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u_char pad1[16383];
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u_char volatile status; /* also intmask */
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u_char pad2;
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u_char volatile command;
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u_char pad3[16381];
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u_char volatile buffers[4096]; /* even bytes only */
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#define checkbyte buffers[0]
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#define dipswitches buffers[2]
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u_char pad4[12228];
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u_char volatile kick2;
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u_char pad5[16383];
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} A2060;
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/* calculate address for board b, buffer no n and offset o */
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#define BUFPTR(b,n,o) (&(b)->buffers[(n)*512+(o)*2])
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#define ARC_TXDIS 0x01
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#define ARC_RXDIS 0x02
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#define ARC_TX(x) (0x03 | ((x)<<3))
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#define ARC_RX(x) (0x04 | ((x)<<3))
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#define ARC_RXBC(x) (0x84 | ((x)<<3))
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#define ARC_CONF(x) (0x05 | (x))
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#define CLR_POR 0x08
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#define CLR_RECONFIG 0x10
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#define ARC_CLR(x) (0x06 | (x))
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#define CONF_LONG 0x08
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#define CONF_SHORT 0x00
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/*
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* These are not in the COM90C65 docs. Derived from the arcnet.asm
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* packet driver by Philippe Prindeville and Russel Nelson.
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*/
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#define ARC_LDTST(x) (0x07 | (x))
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#define TEST_ON 0x08
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#define TEST_OFF 0x00
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#define ARC_TA 1 /* int mask also */
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#define ARC_TMA 2
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#define ARC_RECON 4 /* int mask also */
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#define ARC_TEST 8 /* not in the COM90C65 docs (see above) */
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#define ARC_POR 0x10 /* non maskable interrupt */
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#define ARC_ET1 0x20 /* timeout value bits, normally 1 */
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#define ARC_ET2 0x40 /* timeout value bits, normally 1 */
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#define ARC_RI 0x80 /* int mask also */
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