100 lines
3.5 KiB
C
100 lines
3.5 KiB
C
/* $NetBSD: if_bahreg.h,v 1.4 1995/06/07 00:16:59 cgd Exp $ */
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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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* 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 Ignatios Souvatzis
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* for the NetBSD project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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 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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struct a2060 {
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volatile u_int8_t kick1;
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u_int8_t pad1[16383];
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volatile u_int8_t status; /* also intmask */
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u_int8_t pad2;
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volatile u_int8_t command;
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u_int8_t pad3[16381];
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volatile u_int8_t buffers[4096]; /* even bytes only */
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u_int8_t pad4[12228];
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volatile u_int8_t kick2;
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u_int8_t pad5[16383];
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};
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#define checkbyte buffers[0]
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#define dipswitches buffers[2]
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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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