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/* $OpenBSD: sbusvar.h,v 1.7 2003/06/02 23:27:54 millert Exp $ */
/* $NetBSD: sbusvar.h,v 1.4 1996/04/22 02:35:05 abrown Exp $ */
/*
* Copyright (c) 1992, 1993
* The Regents of the University of California. All rights reserved.
*
* This software was developed by the Computer Systems Engineering group
* at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and
* contributed to Berkeley.
*
* All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Lawrence Berkeley Laboratory.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)sbusvar.h 8.1 (Berkeley) 6/11/93
*/
/*
* S-bus variables.
*/
struct sbusdev {
struct device *sd_dev; /* backpointer to generic */
struct sbusdev *sd_bchain; /* forward link in bus chain */
void (*sd_reset)(struct device *);
};
/*
* Sbus driver attach arguments.
*/
struct sbus_attach_args {
struct romaux sa_ra; /* name, node, addr, etc */
int sa_slot; /* Sbus slot number */
int sa_offset; /* offset within slot */
};
/* variables per Sbus */
struct sbus_softc {
struct device sc_dev; /* base device */
int sc_clockfreq; /* clock frequency (in Hz) */
struct sbusdev *sc_sbdev; /* list of all children */
struct rom_range *sc_range;
int sc_nrange;
int sc_burst; /* burst transfer sizes supported */
};
int sbusdev_match(struct cfdata *, void *);
void sbus_establish(struct sbusdev *, struct device *);
void sbus_translate(struct device *, struct confargs *);
int sbus_testdma(struct sbus_softc *, struct confargs *);
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