if_an_isa.c revision 119418 
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_isa.c 119418 2003-08-24 17:55:58Z obrien $");
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/sockio.h>
52#include <sys/mbuf.h>
53#include <sys/kernel.h>
54#include <sys/socket.h>
55
56#include <sys/module.h>
57#include <sys/bus.h>
58#include <machine/bus.h>
59#include <sys/rman.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 <isa/isavar.h>
70#include <isa/pnpvar.h>
71
72#include <dev/an/if_aironet_ieee.h>
73#include <dev/an/if_anreg.h>
74
75static struct isa_pnp_id an_ids[] = {
76	{ 0x0100ec06, "Aironet ISA4500/ISA4800" },
77	{ 0, NULL }
78};
79
80static int an_probe_isa		(device_t);
81static int an_attach_isa	(device_t);
82static int an_detach_isa	(device_t);
83
84static int
85an_probe_isa(dev)
86	device_t		dev;
87{
88	int			error = 0;
89
90	error = ISA_PNP_PROBE(device_get_parent(dev), dev, an_ids);
91	if (error == ENXIO)
92		return(error);
93
94	error = an_probe(dev);
95	an_release_resources(dev);
96	if (error == 0)
97		return (ENXIO);
98
99	error = an_alloc_irq(dev, 0, 0);
100	an_release_resources(dev);
101	if (!error)
102		device_set_desc(dev, "Aironet ISA4500/ISA4800");
103	return (error);
104}
105
106static int
107an_attach_isa(dev)
108	device_t dev;
109{
110	struct an_softc *sc = device_get_softc(dev);
111	int flags = device_get_flags(dev);
112	int error;
113
114	an_alloc_port(dev, sc->port_rid, 1);
115	an_alloc_irq(dev, sc->irq_rid, 0);
116
117	sc->an_bhandle = rman_get_bushandle(sc->port_res);
118	sc->an_btag = rman_get_bustag(sc->port_res);
119	sc->an_dev = dev;
120
121	error = an_attach(sc, device_get_unit(dev), flags);
122	if (error) {
123		an_release_resources(dev);
124		return (error);
125	}
126
127	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
128			       an_intr, sc, &sc->irq_handle);
129	if (error) {
130		an_release_resources(dev);
131		return (error);
132	}
133	return (0);
134}
135
136static int
137an_detach_isa(device_t dev)
138{
139	struct an_softc		*sc = device_get_softc(dev);
140	struct ifnet		*ifp = &sc->arpcom.ac_if;
141
142	an_stop(sc);
143	ifmedia_removeall(&sc->an_ifmedia);
144	ether_ifdetach(ifp);
145	bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
146	an_release_resources(dev);
147
148	return (0);
149}
150
151static device_method_t an_isa_methods[] = {
152	/* Device interface */
153	DEVMETHOD(device_probe,		an_probe_isa),
154	DEVMETHOD(device_attach,	an_attach_isa),
155	DEVMETHOD(device_detach,	an_detach_isa),
156	DEVMETHOD(device_shutdown,	an_shutdown),
157	{ 0, 0 }
158};
159
160static driver_t an_isa_driver = {
161	"an",
162	an_isa_methods,
163	sizeof(struct an_softc)
164};
165
166static devclass_t an_isa_devclass;
167
168DRIVER_MODULE(an, isa, an_isa_driver, an_isa_devclass, 0, 0);
169MODULE_DEPEND(an, isa, 1, 1, 1);
170MODULE_DEPEND(an, wlan, 1, 1, 1);
171