if_an_isa.c revision 83270 
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 * $FreeBSD: head/sys/dev/an/if_an_isa.c 83270 2001-09-10 02:36:18Z brooks $
33 */
34
35/*
36 * Aironet 4500/4800 802.11 PCMCIA/ISA/PCI driver for FreeBSD.
37 *
38 * Written by Bill Paul <wpaul@ctr.columbia.edu>
39 * Electrical Engineering Department
40 * Columbia University, New York City
41 */
42
43#include "opt_inet.h"
44#ifdef INET
45#define ANCACHE
46#endif
47
48#include <sys/param.h>
49#include <sys/systm.h>
50#include <sys/sockio.h>
51#include <sys/mbuf.h>
52#include <sys/kernel.h>
53#include <sys/socket.h>
54
55#include <sys/module.h>
56#include <sys/bus.h>
57#include <machine/bus.h>
58#include <sys/rman.h>
59#include <machine/resource.h>
60
61#include <net/if.h>
62#include <net/if_arp.h>
63#include <net/ethernet.h>
64#include <net/if_dl.h>
65#include <net/if_types.h>
66#include <net/if_media.h>
67
68#include <isa/isavar.h>
69#include <isa/pnpvar.h>
70
71#include <dev/an/if_aironet_ieee.h>
72#include <dev/an/if_anreg.h>
73
74#ifndef lint
75static const char rcsid[] =
76 "$FreeBSD: head/sys/dev/an/if_an_isa.c 83270 2001-09-10 02:36:18Z brooks $";
77#endif
78
79static struct isa_pnp_id an_ids[] = {
80	{ 0x0100ec06, "Aironet ISA4500/ISA4800" },
81	{ 0, NULL }
82};
83
84static int an_probe_isa		__P((device_t));
85static int an_attach_isa	__P((device_t));
86static int an_detach_isa	__P((device_t));
87
88static int
89an_probe_isa(dev)
90	device_t		dev;
91{
92	int			error = 0;
93
94	error = ISA_PNP_PROBE(device_get_parent(dev), dev, an_ids);
95	if (error == ENXIO)
96		return(error);
97
98	error = an_probe(dev);
99	an_release_resources(dev);
100	if (error == 0)
101		return (ENXIO);
102
103	error = an_alloc_irq(dev, 0, 0);
104	an_release_resources(dev);
105	if (!error)
106		device_set_desc(dev, "Aironet ISA4500/ISA4800");
107	return (error);
108}
109
110static int
111an_attach_isa(dev)
112	device_t dev;
113{
114	struct an_softc *sc = device_get_softc(dev);
115	int flags = device_get_flags(dev);
116	int error;
117
118	an_alloc_port(dev, sc->port_rid, 1);
119	an_alloc_irq(dev, sc->irq_rid, 0);
120
121	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
122			       an_intr, sc, &sc->irq_handle);
123	if (error) {
124		an_release_resources(dev);
125		return (error);
126	}
127
128	sc->an_bhandle = rman_get_bushandle(sc->port_res);
129	sc->an_btag = rman_get_bustag(sc->port_res);
130	sc->an_dev = dev;
131
132	return an_attach(sc, device_get_unit(dev), flags);
133}
134
135static int
136an_detach_isa(device_t dev)
137{
138	struct an_softc		*sc = device_get_softc(dev);
139	struct ifnet		*ifp = &sc->arpcom.ac_if;
140
141	an_stop(sc);
142	ifmedia_removeall(&sc->an_ifmedia);
143	ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
144	bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
145	an_release_resources(dev);
146
147	return (0);
148}
149
150static device_method_t an_isa_methods[] = {
151	/* Device interface */
152	DEVMETHOD(device_probe,		an_probe_isa),
153	DEVMETHOD(device_attach,	an_attach_isa),
154	DEVMETHOD(device_detach,	an_detach_isa),
155	DEVMETHOD(device_shutdown,	an_shutdown),
156	{ 0, 0 }
157};
158
159static driver_t an_isa_driver = {
160	"an",
161	an_isa_methods,
162	sizeof(struct an_softc)
163};
164
165static devclass_t an_isa_devclass;
166
167DRIVER_MODULE(if_an, isa, an_isa_driver, an_isa_devclass, 0, 0);
168