Home | History | Annotate | Line # | Download | only in mca
mca_subr.c revision 1.9 
      1 /*	$NetBSD: mca_subr.c,v 1.9 2008/04/28 20:23:53 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * Copyright (c) 1996-1999 Scott D. Telford.
      6  * All rights reserved.
      7  *
      8  * This code is derived from software contributed to The NetBSD Foundation
      9  * by Scott Telford <s.telford (at) ed.ac.uk>.
     10  *
     11  * Redistribution and use in source and binary forms, with or without
     12  * modification, are permitted provided that the following conditions
     13  * are met:
     14  * 1. Redistributions of source code must retain the above copyright
     15  *    notice, this list of conditions and the following disclaimer.
     16  * 2. Redistributions in binary form must reproduce the above copyright
     17  *    notice, this list of conditions and the following disclaimer in the
     18  *    documentation and/or other materials provided with the distribution.
     19  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 /*
     34  * MCA Bus subroutines
     35  */
     36 
     37 #include <sys/cdefs.h>
     38 __KERNEL_RCSID(0, "$NetBSD: mca_subr.c,v 1.9 2008/04/28 20:23:53 martin Exp $");
     39 
     40 #include "opt_mcaverbose.h"
     41 
     42 #include <sys/param.h>
     43 #include <sys/systm.h>
     44 #include <sys/device.h>
     45 
     46 #include <dev/mca/mcavar.h>
     47 #include <dev/mca/mcadevs.h>
     48 
     49 #ifdef MCAVERBOSE
     50 /*
     51  * Descriptions of of known MCA devices
     52  */
     53 struct mca_knowndev {
     54 	int		 id;		/* MCA ID */
     55 	const char	*name;		/* text description */
     56 };
     57 
     58 #include <dev/mca/mcadevs_data.h>
     59 
     60 #endif /* MCAVERBOSE */
     61 
     62 void
     63 mca_devinfo(id, cp, l)
     64 	int id;
     65 	char *cp;
     66 	size_t l;
     67 {
     68 #ifdef MCAVERBOSE
     69 	const struct mca_knowndev *kdp;
     70 
     71 	kdp = mca_knowndevs;
     72         for (; kdp->name != NULL && kdp->id != id; kdp++);
     73 
     74 	if (kdp->name != NULL)
     75 		snprintf(cp, l, "%s (0x%04x)", kdp->name, id);
     76 	else
     77 #endif /* MCAVERBOSE */
     78 		snprintf(cp, l, "product 0x%04x", id);
     79 }
     80 
     81 /*
     82  * Returns true if the device should be attempted to be matched
     83  * even through it's disabled. Apparently, some devices were
     84  * designed this way.
     85  */
     86 int
     87 mca_match_disabled(id)
     88 	int id;
     89 {
     90 	switch (id) {
     91 	case MCA_PRODUCT_SKNETG:
     92 		return (1);
     93 	}
     94 
     95 	return (0);
     96 }
     97