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      1 /*	$NetBSD: sbusvar.h,v 1.20 2009/09/17 16:28:12 tsutsui 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  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 /*
     33  * Copyright (c) 1992, 1993
     34  *	The Regents of the University of California.  All rights reserved.
     35  *
     36  * This software was developed by the Computer Systems Engineering group
     37  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
     38  * contributed to Berkeley.
     39  *
     40  * All advertising materials mentioning features or use of this software
     41  * must display the following acknowledgement:
     42  *	This product includes software developed by the University of
     43  *	California, Lawrence Berkeley Laboratory.
     44  *
     45  * Redistribution and use in source and binary forms, with or without
     46  * modification, are permitted provided that the following conditions
     47  * are met:
     48  * 1. Redistributions of source code must retain the above copyright
     49  *    notice, this list of conditions and the following disclaimer.
     50  * 2. Redistributions in binary form must reproduce the above copyright
     51  *    notice, this list of conditions and the following disclaimer in the
     52  *    documentation and/or other materials provided with the distribution.
     53  * 3. Neither the name of the University nor the names of its contributors
     54  *    may be used to endorse or promote products derived from this software
     55  *    without specific prior written permission.
     56  *
     57  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     58  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     59  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     60  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     61  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     62  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     63  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     64  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     65  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     66  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     67  * SUCH DAMAGE.
     68  *
     69  *	@(#)sbusvar.h	8.1 (Berkeley) 6/11/93
     70  */
     71 
     72 #ifndef _SBUS_VAR_SPARC_H
     73 #define _SBUS_VAR_SPARC_H
     74 
     75 
     76 /* variables per Sbus */
     77 struct sbus_softc {
     78 	device_t sc_dev;		/* base device */
     79 	bus_space_tag_t	sc_bustag;
     80 	bus_dma_tag_t	sc_dmatag;
     81 	bus_space_handle_t sc_bh;	/* SBus control registers */
     82 	int	sc_clockfreq;		/* clock frequency (in Hz) */
     83 	int	sc_burst;		/* burst transfer sizes supported */
     84 
     85 	/* MD fields follow here */
     86 	int	*sc_intr2ipl;		/* Interrupt level translation */
     87 };
     88 
     89 /*
     90  * Macro to convert a PROM virtual address to a bus_space_handle_t.
     91  */
     92 #define	sbus_promaddr_to_handle(tag, promaddr, hp) sparc_promaddr_to_handle(tag, promaddr, hp)
     93 
     94 static inline void
     95 sparc_promaddr_to_handle(bus_space_tag_t tag, u_int promaddr, bus_space_handle_t *hp)
     96 {
     97 	*(hp) = (bus_space_handle_t)(promaddr);
     98 }
     99 
    100 #endif /* _SBUS_VAR_SPARC_H */
    101