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/* $NetBSD: if_bahreg.h,v 1.4 1995/06/07 00:16:59 cgd Exp $ */
/*
* Copyright (c) 1994, 1995 Ignatios Souvatzis
* 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 Ignatios Souvatzis
* for the NetBSD project.
* 4. The name of the author 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.
*/
/*
* The A2060/A560 card use the SMC COM90C26 Arcnet chipset.
* First or last 16k segment, resp., write a fifo which drives the reset line.
* 2nd 16k segment contains the registers.
* 3rd 16k segment contains the buffer RAM.
* All are only accessible at even addresses.
*/
/* CBM Arcnet board */
#define MANUFACTURER_1 514
#define PRODUCT_1 9
/* Ameristar board */
#define MANUFACTURER_2 1053
#define PRODUCT_2 9
struct a2060 {
volatile u_int8_t kick1;
u_int8_t pad1[16383];
volatile u_int8_t status; /* also intmask */
u_int8_t pad2;
volatile u_int8_t command;
u_int8_t pad3[16381];
volatile u_int8_t buffers[4096]; /* even bytes only */
u_int8_t pad4[12228];
volatile u_int8_t kick2;
u_int8_t pad5[16383];
};
#define checkbyte buffers[0]
#define dipswitches buffers[2]
/* calculate address for board b, buffer no n and offset o */
#define BUFPTR(b,n,o) (&(b)->buffers[(n)*512+(o)*2])
#define ARC_TXDIS 0x01
#define ARC_RXDIS 0x02
#define ARC_TX(x) (0x03 | ((x)<<3))
#define ARC_RX(x) (0x04 | ((x)<<3))
#define ARC_RXBC(x) (0x84 | ((x)<<3))
#define ARC_CONF(x) (0x05 | (x))
#define CLR_POR 0x08
#define CLR_RECONFIG 0x10
#define ARC_CLR(x) (0x06 | (x))
#define CONF_LONG 0x08
#define CONF_SHORT 0x00
/*
* These are not in the COM90C65 docs. Derived from the arcnet.asm
* packet driver by Philippe Prindeville and Russel Nelson.
*/
#define ARC_LDTST(x) (0x07 | (x))
#define TEST_ON 0x08
#define TEST_OFF 0x00
#define ARC_TA 1 /* int mask also */
#define ARC_TMA 2
#define ARC_RECON 4 /* int mask also */
#define ARC_TEST 8 /* not in the COM90C65 docs (see above) */
#define ARC_POR 0x10 /* non maskable interrupt */
#define ARC_ET1 0x20 /* timeout value bits, normally 1 */
#define ARC_ET2 0x40 /* timeout value bits, normally 1 */
#define ARC_RI 0x80 /* int mask also */
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