xref: /netbsd-src/sys/arch/sparc/dev/sbusvar.h (revision 23c8222edbfb0f0932d88a8351d3a0cf817dfb9e)
1 /*	$NetBSD: sbusvar.h,v 1.14 2003/08/07 16:29:36 agc 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)	\
101 	do {						\
102 		*(hp) = (bus_space_handle_t)(promaddr);	\
103 	} while (0)
104 
105 #endif /* _SBUS_VAR_SPARC_H */
106