xref: /netbsd/sys/arch/x86/pci/amdpcib.c (revision 6550d01e)
1 /* $NetBSD: amdpcib.c,v 1.3 2008/07/20 17:18:21 martin Exp $ */
2 
3 /*
4  * Copyright (c) 2006 Nicolas Joly
5  * 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. The name of the author may not be used to endorse or promote products
16  *    derived from this software without specific prior written permission.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS
19  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
20  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
21  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
22  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28  * POSSIBILITY OF SUCH DAMAGE.
29  */
30 
31 #include <sys/cdefs.h>
32 __KERNEL_RCSID(0, "$NetBSD: amdpcib.c,v 1.3 2008/07/20 17:18:21 martin Exp $");
33 
34 #include <sys/systm.h>
35 #include <sys/device.h>
36 
37 #include <dev/pci/pcivar.h>
38 #include <dev/pci/pcireg.h>
39 #include <dev/pci/pcidevs.h>
40 #include "pcibvar.h"
41 
42 struct amdpcib_softc {
43 	/* we are calling pcibattach(), which assumes this starts like this: */
44 	struct pcib_softc	sc_pcib;
45 	bus_space_tag_t		sc_memt;
46 	bus_space_handle_t	sc_memh;
47 };
48 
49 static int	amdpcib_match(device_t, cfdata_t, void *);
50 static void	amdpcib_attach(device_t, device_t, void *);
51 static int	amdpcib_search(device_t, cfdata_t, const int *, void *);
52 
53 CFATTACH_DECL_NEW(amdpcib, sizeof(struct amdpcib_softc), amdpcib_match,
54     amdpcib_attach, NULL, NULL);
55 
56 static int
57 amdpcib_match(device_t parent, cfdata_t match, void *aux)
58 {
59 	struct pci_attach_args *pa = aux;
60 
61 	if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_AMD) &&
62 	    (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_AMD_PBC8111_LPC))
63 		return 2;
64 
65 	return 0;
66 }
67 
68 static void
69 amdpcib_attach(device_t parent, device_t self, void *aux)
70 {
71 	struct pci_attach_args *pa = aux;
72 
73 	pcibattach(parent, self, aux);
74 	config_search_loc(amdpcib_search, self, "amdpcib", NULL, pa);
75 }
76 
77 static int
78 amdpcib_search(device_t parent, cfdata_t cf, const int *locs, void *aux)
79 {
80 
81 	if (config_match(parent, cf, aux))
82 		config_attach_loc(parent, cf, locs, aux, NULL);
83 
84 	return 0;
85 }
86