xref: /src/sys/arch/dreamcast/dev/maple/maplevar.h

/* $NetBSD: maplevar.h,v 1.1 2001/01/16 00:32:42 marcus Exp $ */
/*
 * Copyright (c) 2001 Marcus Comstedt
 * 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 Matt DeBergalis
 * 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.
 */

#include <machine/bus.h>

struct maple_softc {
	struct device sc_dev;

	struct callout maple_callout_ch;
	int maple_commands_pending;

	struct maple_unit sc_unit[MAPLE_PORTS][MAPLE_SUBUNITS];

	u_int32_t *sc_txbuf;	/* start of allocated transmit buffer */
	u_int32_t *sc_txpos;	/* current write position in tx buffer */
	u_int32_t *sc_txlink;   /* start of last written frame */

	/* start of each receive buffer */
	u_int32_t *sc_rxbuf[MAPLE_PORTS][MAPLE_SUBUNITS];

	u_int32_t sc_txbuf_phys;	/* 29-bit physical address */
  	u_int32_t sc_rxbuf_phys[MAPLE_PORTS][MAPLE_SUBUNITS];
};