xref: /freebsd/sys/dev/puc/puc_pci.c (revision 2be1a816b9ff69588e55be0a84cbe2a31efc0f2f)
1 /*	$NetBSD: puc.c,v 1.7 2000/07/29 17:43:38 jlam Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 JF Hay.  All rights reserved.
5  * Copyright (c) 2000 M. Warner Losh.  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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /*-
30  * Copyright (c) 1996, 1998, 1999
31  *	Christopher G. Demetriou.  All rights reserved.
32  *
33  * Redistribution and use in source and binary forms, with or without
34  * modification, are permitted provided that the following conditions
35  * are met:
36  * 1. Redistributions of source code must retain the above copyright
37  *    notice, this list of conditions and the following disclaimer.
38  * 2. Redistributions in binary form must reproduce the above copyright
39  *    notice, this list of conditions and the following disclaimer in the
40  *    documentation and/or other materials provided with the distribution.
41  * 3. All advertising materials mentioning features or use of this software
42  *    must display the following acknowledgement:
43  *      This product includes software developed by Christopher G. Demetriou
44  *	for the NetBSD Project.
45  * 4. The name of the author may not be used to endorse or promote products
46  *    derived from this software without specific prior written permission
47  *
48  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
49  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
50  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
51  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
52  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
53  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
54  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
55  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
56  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
57  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
58  */
59 
60 #include <sys/cdefs.h>
61 __FBSDID("$FreeBSD$");
62 
63 #include <sys/param.h>
64 #include <sys/systm.h>
65 #include <sys/kernel.h>
66 #include <sys/module.h>
67 #include <sys/bus.h>
68 #include <sys/conf.h>
69 #include <sys/malloc.h>
70 
71 #include <machine/bus.h>
72 #include <machine/resource.h>
73 #include <sys/rman.h>
74 
75 #include <dev/pci/pcireg.h>
76 #include <dev/pci/pcivar.h>
77 
78 #include <dev/puc/puc_cfg.h>
79 #include <dev/puc/puc_bfe.h>
80 
81 static const struct puc_cfg *
82 puc_pci_match(device_t dev, const struct puc_cfg *desc)
83 {
84 	uint16_t vendor, device;
85 	uint16_t subvendor, subdevice;
86 
87 	vendor = pci_get_vendor(dev);
88 	device = pci_get_device(dev);
89 	subvendor = pci_get_subvendor(dev);
90 	subdevice = pci_get_subdevice(dev);
91 
92 	while (desc->vendor != 0xffff) {
93 		if (desc->vendor == vendor && desc->device == device) {
94 			/* exact match */
95 			if (desc->subvendor == subvendor &&
96 		            desc->subdevice == subdevice)
97 				return (desc);
98 			/* wildcard match */
99 			if (desc->subvendor == 0xffff)
100 				return (desc);
101 		}
102 		desc++;
103 	}
104 
105 	/* no match */
106 	return (NULL);
107 }
108 
109 static int
110 puc_pci_probe(device_t dev)
111 {
112 	const struct puc_cfg *desc;
113 
114 	if ((pci_read_config(dev, PCIR_HDRTYPE, 1) & PCIM_HDRTYPE) != 0)
115 		return (ENXIO);
116 
117 	desc = puc_pci_match(dev, puc_pci_devices);
118 	if (desc == NULL)
119 		return (ENXIO);
120 	return (puc_bfe_probe(dev, desc));
121 }
122 
123 static device_method_t puc_pci_methods[] = {
124     /* Device interface */
125     DEVMETHOD(device_probe,		puc_pci_probe),
126     DEVMETHOD(device_attach,		puc_bfe_attach),
127     DEVMETHOD(device_detach,		puc_bfe_detach),
128 
129     DEVMETHOD(bus_alloc_resource,	puc_bus_alloc_resource),
130     DEVMETHOD(bus_release_resource,	puc_bus_release_resource),
131     DEVMETHOD(bus_get_resource,		puc_bus_get_resource),
132     DEVMETHOD(bus_read_ivar,		puc_bus_read_ivar),
133     DEVMETHOD(bus_setup_intr,		puc_bus_setup_intr),
134     DEVMETHOD(bus_teardown_intr,	puc_bus_teardown_intr),
135     DEVMETHOD(bus_print_child,		bus_generic_print_child),
136     DEVMETHOD(bus_driver_added,		bus_generic_driver_added),
137     { 0, 0 }
138 };
139 
140 static driver_t puc_pci_driver = {
141 	puc_driver_name,
142 	puc_pci_methods,
143 	sizeof(struct puc_softc),
144 };
145 
146 DRIVER_MODULE(puc, pci, puc_pci_driver, puc_devclass, 0, 0);
147 DRIVER_MODULE(puc, cardbus, puc_pci_driver, puc_devclass, 0, 0);
148