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 /*
34 * Aironet 4500/4800 802.11 PCMCIA/ISA/PCI driver for FreeBSD.
35 *
36 * Written by Bill Paul <wpaul@ctr.columbia.edu>
37 * Electrical Engineering Department
38 * Columbia University, New York City
39 */
40
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD: releng/5.1/sys/dev/an/if_an_pccard.c 113506 2003-04-15 06:37:30Z mdodd $");
43
44 #include "opt_inet.h"
45
46 #ifdef INET
47 #define ANCACHE
48 #endif
49
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/socket.h>
53 #include <sys/kernel.h>
54
55 #include <sys/module.h>
56 #include <sys/bus.h>
57 #include <machine/bus.h>
58 #include <sys/rman.h>
59 #include <sys/lock.h>
60 #include <sys/mutex.h>
61 #include <machine/resource.h>
62
63 #include <net/if.h>
64 #include <net/if_arp.h>
65 #include <net/ethernet.h>
66 #include <net/if_dl.h>
67 #include <net/if_types.h>
68 #include <net/if_media.h>
69
70 #include <dev/pccard/pccardvar.h>
71 #include <dev/pccard/pccarddevs.h>
72 #include "card_if.h"
73
74 #include <dev/an/if_aironet_ieee.h>
75 #include <dev/an/if_anreg.h>
76
77 /*
78 * Support for PCMCIA cards.
79 */
80 static int an_pccard_match(device_t);
81 static int an_pccard_probe(device_t);
82 static int an_pccard_attach(device_t);
83 static int an_pccard_detach(device_t);
84
85 static device_method_t an_pccard_methods[] = {
86 /* Device interface */
87 DEVMETHOD(device_probe, pccard_compat_probe),
88 DEVMETHOD(device_attach, pccard_compat_attach),
89 DEVMETHOD(device_detach, an_pccard_detach),
90 DEVMETHOD(device_shutdown, an_shutdown),
91
92 /* Card interface */
93 DEVMETHOD(card_compat_match, an_pccard_match),
94 DEVMETHOD(card_compat_probe, an_pccard_probe),
95 DEVMETHOD(card_compat_attach, an_pccard_attach),
96
97 { 0, 0 }
98 };
99
100 static driver_t an_pccard_driver = {
101 "an",
102 an_pccard_methods,
103 sizeof(struct an_softc)
104 };
105
106 static devclass_t an_pccard_devclass;
107
108 DRIVER_MODULE(an, pccard, an_pccard_driver, an_pccard_devclass, 0, 0);
109 MODULE_DEPEND(an, wlan, 1, 1, 1);
110 MODULE_DEPEND(an, pccard, 1, 1, 1);
111
112 static const struct pccard_product an_pccard_products[] = {
113 PCMCIA_CARD(AIRONET, PC4800, 0),
114 PCMCIA_CARD(AIRONET, PC4500, 0),
115 PCMCIA_CARD(AIRONET, 350, 0),
116 { NULL }
117 };
118
119 static int
120 an_pccard_match(device_t dev)
121 {
122 const struct pccard_product *pp;
123
124 if ((pp = pccard_product_lookup(dev, an_pccard_products,
125 sizeof(an_pccard_products[0]), NULL)) != NULL) {
126 if (pp->pp_name != NULL)
127 device_set_desc(dev, pp->pp_name);
128 return (0);
129 }
130 return (ENXIO);
131 }
132
133 static int
134 an_pccard_detach(device_t dev)
135 {
136 struct an_softc *sc = device_get_softc(dev);
137 struct ifnet *ifp = &sc->arpcom.ac_if;
138
139 if (sc->an_gone) {
140 device_printf(dev,"already unloaded\n");
141 return(0);
142 }
143 an_stop(sc);
144 ifmedia_removeall(&sc->an_ifmedia);
145 ifp->if_flags &= ~IFF_RUNNING;
146 ether_ifdetach(ifp);
147 sc->an_gone = 1;
148 bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
149 an_release_resources(dev);
150 mtx_destroy(&sc->an_mtx);
151 return (0);
152 }
153
154 static int
155 an_pccard_probe(device_t dev)
156 {
157 int error;
158
159 error = an_probe(dev); /* 0 is failure for now */
160 if (error != 0) {
161 device_set_desc(dev, "Aironet PC4500/PC4800");
162 error = an_alloc_irq(dev, 0, 0);
163 } else
164 error = 1;
165 an_release_resources(dev);
166 return (error);
167 }
168
169
170 static int
171 an_pccard_attach(device_t dev)
172 {
173 struct an_softc *sc = device_get_softc(dev);
174 int flags = device_get_flags(dev);
175 int error;
176
177 an_alloc_port(dev, sc->port_rid, AN_IOSIZ);
178 an_alloc_irq(dev, sc->irq_rid, 0);
179
180 sc->an_bhandle = rman_get_bushandle(sc->port_res);
181 sc->an_btag = rman_get_bustag(sc->port_res);
182 sc->an_dev = dev;
183
184 error = an_attach(sc, device_get_unit(dev), flags);
185 if (error) {
186 goto fail;
187 }
188
189 /*
190 * Must setup the interrupt after the an_attach to prevent racing.
191 */
192 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
193 an_intr, sc, &sc->irq_handle);
194 if (error) {
195 goto fail;
196 }
197
198 fail:
199 if (error)
200 an_release_resources(dev);
201 return (error);
202 }
Cache object: 5856f18bdbd9cb98b6d83958b5dad132
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