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sbusvar.h revision 1.15 
      1 /*	$NetBSD: sbusvar.h,v 1.15 2005/02/04 22:20:55 jmc Exp $ */
      2 
      3 /*-
      4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Kranenburg.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * Copyright (c) 1992, 1993
     41  *	The Regents of the University of California.  All rights reserved.
     42  *
     43  * This software was developed by the Computer Systems Engineering group
     44  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
     45  * contributed to Berkeley.
     46  *
     47  * All advertising materials mentioning features or use of this software
     48  * must display the following acknowledgement:
     49  *	This product includes software developed by the University of
     50  *	California, Lawrence Berkeley Laboratory.
     51  *
     52  * Redistribution and use in source and binary forms, with or without
     53  * modification, are permitted provided that the following conditions
     54  * are met:
     55  * 1. Redistributions of source code must retain the above copyright
     56  *    notice, this list of conditions and the following disclaimer.
     57  * 2. Redistributions in binary form must reproduce the above copyright
     58  *    notice, this list of conditions and the following disclaimer in the
     59  *    documentation and/or other materials provided with the distribution.
     60  * 3. Neither the name of the University nor the names of its contributors
     61  *    may be used to endorse or promote products derived from this software
     62  *    without specific prior written permission.
     63  *
     64  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     65  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     66  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     67  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     68  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     69  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     70  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     71  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     72  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     73  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     74  * SUCH DAMAGE.
     75  *
     76  *	@(#)sbusvar.h	8.1 (Berkeley) 6/11/93
     77  */
     78 
     79 #ifndef _SBUS_VAR_SPARC_H
     80 #define _SBUS_VAR_SPARC_H
     81 
     82 
     83 /* variables per Sbus */
     84 struct sbus_softc {
     85 	struct	device sc_dev;		/* base device */
     86 	bus_space_tag_t	sc_bustag;
     87 	bus_dma_tag_t	sc_dmatag;
     88 	bus_space_handle_t sc_bh;	/* SBus control registers */
     89 	int	sc_clockfreq;		/* clock frequency (in Hz) */
     90 	struct	sbusdev *sc_sbdev;	/* list of all children */
     91 	int	sc_burst;		/* burst transfer sizes supported */
     92 
     93 	/* MD fields follow here */
     94 	int	*sc_intr2ipl;		/* Interrupt level translation */
     95 };
     96 
     97 /*
     98  * Macro to convert a PROM virtual address to a bus_space_handle_t.
     99  */
    100 #define	sbus_promaddr_to_handle(tag, promaddr, hp) sparc_promaddr_to_handle(tag, promaddr, hp)
    101 
    102 static __inline void
    103 sparc_promaddr_to_handle(bus_space_tag_t tag, u_int promaddr, bus_space_handle_t *hp)
    104 {
    105 	*(hp) = (bus_space_handle_t)(promaddr);
    106 }
    107 
    108 #endif /* _SBUS_VAR_SPARC_H */
    109