sys/dev/mca/mca_subr.c

   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@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(int id, char *cp, size_t l)
  64 {
  65 #ifdef MCAVERBOSE
  66         const struct mca_knowndev *kdp;
  67
  68         kdp = mca_knowndevs;
  69         for (; kdp->name != NULL && kdp->id != id; kdp++);
  70
  71         if (kdp->name != NULL)
  72                 snprintf(cp, l, "%s (0x%04x)", kdp->name, id);
  73         else
  74 #endif /* MCAVERBOSE */
  75                 snprintf(cp, l, "product 0x%04x", id);
  76 }
  77
  78 /*
  79  * Returns true if the device should be attempted to be matched
  80  * even through it's disabled. Apparently, some devices were
  81  * designed this way.
  82  */
  83 int
  84 mca_match_disabled(int id)
  85 {
  86         switch (id) {
  87         case MCA_PRODUCT_SKNETG:
  88                 return (1);
  89         }
  90
  91         return (0);
  92 }