1 /* $NetBSD: g2busvar.h,v 1.2 2002/03/24 18:21:24 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 Marcus Comstedt 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Marcus Comstedt. 18 * 4. Neither the name of The NetBSD Foundation nor the names of its 19 * contributors may be used to endorse or promote products derived 20 * from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 23 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 24 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 25 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 32 * POSSIBILITY OF SUCH DAMAGE. 33 */ 34 35 #ifndef _DREAMCAST_G2BUSVAR_H_ 36 #define _DREAMCAST_G2BUSVAR_H_ 37 38 #include <machine/bus.h> 39 40 /* 41 * G2 driver attach arguments 42 */ 43 struct g2bus_attach_args { 44 bus_space_tag_t ga_memt; 45 }; 46 47 /* 48 * Per-device G2 variables 49 */ 50 struct g2busdev { 51 struct device *gd_dev; /* back pointer to generic */ 52 TAILQ_ENTRY(g2busdev) 53 gd_bchain; /* bus chain */ 54 }; 55 56 /* 57 * G2 master bus 58 */ 59 struct g2bus_softc { 60 struct device sc_dev; /* base device */ 61 struct dreamcast_bus_space sc_memt; 62 TAILQ_HEAD(, g2busdev) 63 sc_subdevs; /* list of all children */ 64 }; 65 66 void g2bus_bus_mem_init(struct g2bus_softc *); 67 68 #endif /* _DREAMCAST_SHBVAR_H_ */ 69