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mca_subr.c revision 1.6 
      1 /*	$NetBSD: mca_subr.c,v 1.6 2004/04/22 00:17:12 itojun 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  * 3. All advertising materials mentioning features or use of this software
     20  *    must display the following acknowledgement:
     21  *	This product includes software developed by the NetBSD
     22  *	Foundation, Inc. and its contributors.
     23  * 4. Neither the name of The NetBSD Foundation nor the names of its
     24  *    contributors may be used to endorse or promote products derived
     25  *    from this software without specific prior written permission.
     26  *
     27  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     28  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     29  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     30  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     31  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     32  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     33  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     34  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     35  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     36  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     37  * POSSIBILITY OF SUCH DAMAGE.
     38  */
     39 
     40 /*
     41  * MCA Bus subroutines
     42  */
     43 
     44 #include <sys/cdefs.h>
     45 __KERNEL_RCSID(0, "$NetBSD: mca_subr.c,v 1.6 2004/04/22 00:17:12 itojun Exp $");
     46 
     47 #include "opt_mcaverbose.h"
     48 
     49 #include <sys/param.h>
     50 #include <sys/systm.h>
     51 #include <sys/device.h>
     52 
     53 #include <dev/mca/mcavar.h>
     54 #include <dev/mca/mcadevs.h>
     55 
     56 #ifdef MCAVERBOSE
     57 /*
     58  * Descriptions of of known MCA devices
     59  */
     60 struct mca_knowndev {
     61 	int		 id;		/* MCA ID */
     62 	const char	*name;		/* text description */
     63 };
     64 
     65 #include <dev/mca/mcadevs_data.h>
     66 
     67 #endif /* MCAVERBOSE */
     68 
     69 void
     70 mca_devinfo(id, cp, l)
     71 	int id;
     72 	char *cp;
     73 	size_t l;
     74 {
     75 #ifdef MCAVERBOSE
     76 	const struct mca_knowndev *kdp;
     77 
     78 	kdp = mca_knowndevs;
     79         for (; kdp->name != NULL && kdp->id != id; kdp++);
     80 
     81 	if (kdp->name != NULL)
     82 		snprintf(cp, l, "%s (0x%04x)", kdp->name, id);
     83 	else
     84 #endif /* MCAVERBOSE */
     85 		snprintf(cp, l, "product 0x%04x", id);
     86 }
     87 
     88 /*
     89  * Returns true if the device should be attempted to be matched
     90  * even through it's disabled. Apparently, some devices were
     91  * designed this way.
     92  */
     93 int
     94 mca_match_disabled(id)
     95 	int id;
     96 {
     97 	switch (id) {
     98 	case MCA_PRODUCT_SKNETG:
     99 		return (1);
    100 	}
    101 
    102 	return (0);
    103 }
    104