sys/dev/pci/pci_quirks.c

   1 /*      $NetBSD: pci_quirks.c,v 1.8 2007/01/06 00:08:20 jmcneill Exp $  */
   2
   3 /*
   4  * Copyright (c) 1998 Christopher G. Demetriou.  All rights reserved.
   5  *
   6  * Redistribution and use in source and binary forms, with or without
   7  * modification, are permitted provided that the following conditions
   8  * are met:
   9  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  * 3. All advertising materials mentioning features or use of this software
  15  *    must display the following acknowledgement:
  16  *      This product includes software developed by Christopher G. Demetriou
  17  *      for the NetBSD Project.
  18  * 4. The name of the author may not be used to endorse or promote products
  19  *    derived from this software without specific prior written permission
  20  *
  21  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  24  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  25  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  26  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  30  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  31  */
  32
  33 /*
  34  * PCI Quirk data table and lookup function.
  35  */
  36
  37 #include <sys/cdefs.h>
  38 __KERNEL_RCSID(0, "$NetBSD: pci_quirks.c,v 1.8 2007/01/06 00:08:20 jmcneill Exp $");
  39
  40 #include <sys/param.h>
  41 #include <sys/device.h>
  42
  43 #include <dev/pci/pcireg.h>
  44 #include <dev/pci/pcivar.h>
  45 #include <dev/pci/pcidevs.h>
  46
  47 static const struct pci_quirkdata pci_quirks[] = {
  48         { PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82371FB_ISA,
  49             PCI_QUIRK_MULTIFUNCTION },
  50         { PCI_VENDOR_NVIDIA, PCI_PRODUCT_NVIDIA_XBOX_PCHB,
  51             PCI_QUIRK_SKIP_FUNC1 | PCI_QUIRK_SKIP_FUNC2 },
  52 };
  53
  54 const struct pci_quirkdata *
  55 pci_lookup_quirkdata(pci_vendor_id_t vendor, pci_product_id_t product)
  56 {
  57         int i;
  58
  59         for (i = 0; i < __arraycount(pci_quirks); i++)
  60                 if (vendor == pci_quirks[i].vendor &&
  61                     product == pci_quirks[i].product)
  62                         return (&pci_quirks[i]);
  63         return (NULL);
  64 }