1 /* 2 * Copyright (c) 1992, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This software was developed by the Computer Systems Engineering group 6 * at Lawrence Berkeley Laboratory under DARPA contract BG 91-66 and 7 * contributed to Berkeley. 8 * 9 * All advertising materials mentioning features or use of this software 10 * must display the following acknowledgement: 11 * This product includes software developed by the University of 12 * California, Lawrence Berkeley Laboratory. 13 * 14 * %sccs.include.redist.c% 15 * 16 * @(#)sbusvar.h 8.1 (Berkeley) 06/11/93 17 * 18 * from: $Header: sbusvar.h,v 1.6 92/11/26 02:28:14 torek Exp $ (LBL) 19 */ 20 21 /* 22 * S-bus variables. 23 */ 24 struct sbusdev { 25 struct device *sd_dev; /* backpointer to generic */ 26 struct sbusdev *sd_bchain; /* forward link in bus chain */ 27 void (*sd_reset) __P((struct device *)); 28 }; 29 30 /* 31 * Sbus driver attach arguments. 32 */ 33 struct sbus_attach_args { 34 struct romaux sa_ra; /* name, node, addr, etc */ 35 int sa_slot; /* Sbus slot number */ 36 int sa_offset; /* offset within slot */ 37 }; 38 39 /* variables per Sbus */ 40 struct sbus_softc { 41 struct device sc_dev; /* base device */ 42 int sc_clockfreq; /* clock frequency (in Hz) */ 43 struct sbusdev *sc_sbdev; /* list of all children */ 44 }; 45 46 int sbusdev_match __P((struct cfdata *, void *)); 47 void sbus_establish __P((struct sbusdev *, struct device *)); 48