xref: /openbsd/sys/dev/pci/pci_quirks.c (revision 09467b48)
1 /*	$OpenBSD: pci_quirks.c,v 1.7 2015/07/20 18:05:04 miod Exp $	*/
2 /*	$NetBSD: pci_quirks.c,v 1.1 1998/05/31 06:03:44 cgd Exp $	*/
3 
4 /*
5  * Copyright (c) 1998 Christopher G. Demetriou.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *      This product includes software developed by Christopher G. Demetriou
18  *	for the NetBSD Project.
19  * 4. The name of the author may not be used to endorse or promote products
20  *    derived from this software without specific prior written permission
21  *
22  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 
34 /*
35  * PCI Quirk data table and lookup function.
36  */
37 
38 #include <sys/param.h>
39 
40 #include <dev/pci/pcireg.h>
41 #include <dev/pci/pcivar.h>
42 #include <dev/pci/pcidevs.h>
43 
44 static const struct pci_quirkdata pci_quirks[] = {
45 	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_82371FB_ISA,
46 	    PCI_QUIRK_MULTIFUNCTION },
47 	{ PCI_VENDOR_CIRRUS, PCI_PRODUCT_CIRRUS_CL_PD6729,
48 	    PCI_QUIRK_MONOFUNCTION }
49 };
50 
51 const struct pci_quirkdata *
52 pci_lookup_quirkdata(pci_vendor_id_t vendor, pci_product_id_t product)
53 {
54 	int i;
55 
56 	for (i = 0; i < (sizeof pci_quirks / sizeof pci_quirks[0]); i++)
57 		if (vendor == pci_quirks[i].vendor &&
58 		    product == pci_quirks[i].product)
59 			return (&pci_quirks[i]);
60 	return (NULL);
61 }
62