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sbusvar.h revision 1.2 
      1 /*	$NetBSD: sbusvar.h,v 1.2 1994/11/20 20:52:27 deraadt Exp $ */
      2 
      3 /*
      4  * Copyright (c) 1992, 1993
      5  *	The Regents of the University of California.  All rights reserved.
      6  *
      7  * This software was developed by the Computer Systems Engineering group
      8  * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
      9  * contributed to Berkeley.
     10  *
     11  * All advertising materials mentioning features or use of this software
     12  * must display the following acknowledgement:
     13  *	This product includes software developed by the University of
     14  *	California, Lawrence Berkeley Laboratory.
     15  *
     16  * Redistribution and use in source and binary forms, with or without
     17  * modification, are permitted provided that the following conditions
     18  * are met:
     19  * 1. Redistributions of source code must retain the above copyright
     20  *    notice, this list of conditions and the following disclaimer.
     21  * 2. Redistributions in binary form must reproduce the above copyright
     22  *    notice, this list of conditions and the following disclaimer in the
     23  *    documentation and/or other materials provided with the distribution.
     24  * 3. All advertising materials mentioning features or use of this software
     25  *    must display the following acknowledgement:
     26  *	This product includes software developed by the University of
     27  *	California, Berkeley and its contributors.
     28  * 4. Neither the name of the University nor the names of its contributors
     29  *    may be used to endorse or promote products derived from this software
     30  *    without specific prior written permission.
     31  *
     32  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
     33  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     34  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     35  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
     36  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     37  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     38  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     39  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     40  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     41  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     42  * SUCH DAMAGE.
     43  *
     44  *	@(#)sbusvar.h	8.1 (Berkeley) 6/11/93
     45  */
     46 
     47 /*
     48  * S-bus variables.
     49  */
     50 struct sbusdev {
     51 	struct	device *sd_dev;		/* backpointer to generic */
     52 	struct	sbusdev *sd_bchain;	/* forward link in bus chain */
     53 	void	(*sd_reset) __P((struct device *));
     54 };
     55 
     56 /*
     57  * Sbus driver attach arguments.
     58  */
     59 struct sbus_attach_args {
     60 	struct	romaux sa_ra;		/* name, node, addr, etc */
     61 	int	sa_slot;		/* Sbus slot number */
     62 	int	sa_offset;		/* offset within slot */
     63 };
     64 
     65 /* variables per Sbus */
     66 struct sbus_softc {
     67 	struct	device sc_dev;		/* base device */
     68 	int	sc_clockfreq;		/* clock frequency (in Hz) */
     69 	struct	sbusdev *sc_sbdev;	/* list of all children */
     70 };
     71 
     72 int	sbusdev_match __P((struct cfdata *, void *));
     73 void	sbus_establish __P((struct sbusdev *, struct device *));
     74