if_an_pccard.c revision 129046 
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: head/sys/dev/an/if_an_pccard.c 129046 2004-05-08 06:04:06Z imp $");
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/pccard/pccardvar.h>
70#include <dev/pccard/pccarddevs.h>
71#include "card_if.h"
72
73#include <dev/an/if_aironet_ieee.h>
74#include <dev/an/if_anreg.h>
75
76/*
77 * Support for PCMCIA cards.
78 */
79static int  an_pccard_match(device_t);
80static int  an_pccard_probe(device_t);
81static int  an_pccard_attach(device_t);
82
83static device_method_t an_pccard_methods[] = {
84	/* Device interface */
85	DEVMETHOD(device_probe,		pccard_compat_probe),
86	DEVMETHOD(device_attach,	pccard_compat_attach),
87	DEVMETHOD(device_detach,	an_detach),
88	DEVMETHOD(device_shutdown,	an_shutdown),
89
90	/* Card interface */
91	DEVMETHOD(card_compat_match, 	an_pccard_match),
92	DEVMETHOD(card_compat_probe,	an_pccard_probe),
93	DEVMETHOD(card_compat_attach,	an_pccard_attach),
94
95	{ 0, 0 }
96};
97
98static driver_t an_pccard_driver = {
99	"an",
100	an_pccard_methods,
101	sizeof(struct an_softc)
102};
103
104static devclass_t an_pccard_devclass;
105
106DRIVER_MODULE(an, pccard, an_pccard_driver, an_pccard_devclass, 0, 0);
107MODULE_DEPEND(an, wlan, 1, 1, 1);
108
109static const struct pccard_product an_pccard_products[] = {
110	PCMCIA_CARD(AIRONET, PC4800, 0),
111	PCMCIA_CARD(AIRONET, PC4500, 0),
112	PCMCIA_CARD(AIRONET, 350, 0),
113	PCMCIA_CARD(XIRCOM, CWE1130, 0),
114	{ NULL }
115};
116
117static int
118an_pccard_match(device_t dev)
119{
120	const struct pccard_product *pp;
121
122	if ((pp = pccard_product_lookup(dev, an_pccard_products,
123	    sizeof(an_pccard_products[0]), NULL)) != NULL) {
124		if (pp->pp_name != NULL)
125			device_set_desc(dev, pp->pp_name);
126		return (0);
127	}
128	return (ENXIO);
129}
130
131static int
132an_pccard_probe(device_t dev)
133{
134	int     error;
135
136	error = an_probe(dev); /* 0 is failure for now */
137	if (error != 0) {
138		device_set_desc(dev, "Aironet PC4500/PC4800");
139		error = an_alloc_irq(dev, 0, 0);
140	} else
141	        error = 1;
142	an_release_resources(dev);
143	return (error);
144}
145
146
147static int
148an_pccard_attach(device_t dev)
149{
150	struct an_softc *sc = device_get_softc(dev);
151	int flags = device_get_flags(dev);
152	int error;
153
154	an_alloc_port(dev, sc->port_rid, AN_IOSIZ);
155	an_alloc_irq(dev, sc->irq_rid, 0);
156
157	sc->an_bhandle = rman_get_bushandle(sc->port_res);
158	sc->an_btag = rman_get_bustag(sc->port_res);
159	sc->an_dev = dev;
160
161	error = an_attach(sc, device_get_unit(dev), flags);
162	if (error) {
163		goto fail;
164	}
165
166	/*
167	 * Must setup the interrupt after the an_attach to prevent racing.
168	 */
169	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
170			       an_intr, sc, &sc->irq_handle);
171	if (error) {
172		goto fail;
173	}
174
175fail:
176	if (error)
177		an_release_resources(dev);
178	return (error);
179}
180