1 /*-
2 * Copyright (c) 1997, 1998, 1999
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 */
32 /*
33 * Aironet 4500/4800 802.11 PCMCIA/ISA/PCI driver for FreeBSD.
34 *
35 * Written by Bill Paul <wpaul@ctr.columbia.edu>
36 * Electrical Engineering Department
37 * Columbia University, New York City
38 */
39
40 #include <sys/cdefs.h>
41 __FBSDID("$FreeBSD$");
42
43 #include "opt_inet.h"
44
45 #ifdef INET
46 #define ANCACHE
47 #endif
48
49 #include <sys/param.h>
50 #include <sys/systm.h>
51 #include <sys/socket.h>
52 #include <sys/kernel.h>
53
54 #include <sys/module.h>
55 #include <sys/bus.h>
56 #include <machine/bus.h>
57 #include <sys/rman.h>
58 #include <sys/lock.h>
59 #include <sys/mutex.h>
60 #include <machine/resource.h>
61
62 #include <net/if.h>
63 #include <net/if_arp.h>
64 #include <net/ethernet.h>
65 #include <net/if_dl.h>
66 #include <net/if_types.h>
67 #include <net/if_media.h>
68
69 #include <dev/an/if_aironet_ieee.h>
70 #include <dev/an/if_anreg.h>
71
72 #include <dev/pccard/pccardvar.h>
73
74 #include "pccarddevs.h"
75 #include "card_if.h"
76
77 /*
78 * Support for PCMCIA cards.
79 */
80 static int an_pccard_probe(device_t);
81 static int an_pccard_attach(device_t);
82
83 static device_method_t an_pccard_methods[] = {
84 /* Device interface */
85 DEVMETHOD(device_probe, an_pccard_probe),
86 DEVMETHOD(device_attach, an_pccard_attach),
87 DEVMETHOD(device_detach, an_detach),
88 DEVMETHOD(device_shutdown, an_shutdown),
89
90 { 0, 0 }
91 };
92
93 static driver_t an_pccard_driver = {
94 "an",
95 an_pccard_methods,
96 sizeof(struct an_softc)
97 };
98
99 static devclass_t an_pccard_devclass;
100
101 DRIVER_MODULE(an, pccard, an_pccard_driver, an_pccard_devclass, 0, 0);
102 MODULE_DEPEND(an, wlan, 1, 1, 1);
103
104 static const struct pccard_product an_pccard_products[] = {
105 PCMCIA_CARD(AIRONET, PC4800),
106 PCMCIA_CARD(AIRONET, PC4500),
107 PCMCIA_CARD(AIRONET, 350),
108 PCMCIA_CARD(XIRCOM, CWE1130),
109 { NULL }
110 };
111
112 static int
an_pccard_probe(device_t dev)113 an_pccard_probe(device_t dev)
114 {
115 const struct pccard_product *pp;
116
117 if ((pp = pccard_product_lookup(dev, an_pccard_products,
118 sizeof(an_pccard_products[0]), NULL)) != NULL) {
119 if (pp->pp_name != NULL)
120 device_set_desc(dev, pp->pp_name);
121 return (0);
122 }
123 return (ENXIO);
124 }
125
126 static int
an_pccard_attach(device_t dev)127 an_pccard_attach(device_t dev)
128 {
129 struct an_softc *sc = device_get_softc(dev);
130 int flags = device_get_flags(dev);
131 int error;
132
133 error = an_probe(dev); /* 0 is failure for now */
134 if (error == 0) {
135 error = ENXIO;
136 goto fail;
137 }
138 error = an_alloc_irq(dev, 0, 0);
139 if (error != 0)
140 goto fail;
141
142 an_alloc_irq(dev, sc->irq_rid, 0);
143
144 error = an_attach(sc, flags);
145 if (error)
146 goto fail;
147
148 /*
149 * Must setup the interrupt after the an_attach to prevent racing.
150 */
151 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
152 NULL, an_intr, sc, &sc->irq_handle);
153 fail:
154 if (error)
155 an_release_resources(dev);
156 return (error);
157 }
158