NetBSD/sys/arch/dreamcast/dev/maple/maplevar.h

58 lines
2.4 KiB
C

/* $NetBSD: maplevar.h,v 1.4 2001/05/26 19:04:40 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 Marcus Comstedt.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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;
int sc_port_units[MAPLE_PORTS];
int sc_port_units_open[MAPLE_PORTS];
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];
};