if_an_isa.c revision 67096 
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 67096 2000-10-13 22:04:20Z wpaul $
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
67#include <isa/isavar.h>
68#include <isa/pnpvar.h>
69
70#include <dev/an/if_aironet_ieee.h>
71#include <dev/an/if_anreg.h>
72
73#ifndef lint
74static const char rcsid[] =
75 "$FreeBSD: head/sys/dev/an/if_an_isa.c 67096 2000-10-13 22:04:20Z wpaul $";
76#endif
77
78static struct isa_pnp_id an_ids[] = {
79	{ 0x0100ec06, "Aironet ISA4500/ISA4800" },
80	{ 0, NULL }
81};
82
83static int an_probe_isa		__P((device_t));
84static int an_attach_isa	__P((device_t));
85static int an_detach_isa	__P((device_t));
86
87static int an_probe_isa(dev)
88	device_t		dev;
89{
90	int			error = 0;
91
92	error = ISA_PNP_PROBE(device_get_parent(dev), dev, an_ids);
93	if (error == ENXIO)
94		return(error);
95
96	error = an_probe(dev);
97	an_release_resources(dev);
98	if (error == 0)
99		return (ENXIO);
100
101	error = an_alloc_irq(dev, 0, 0);
102	an_release_resources(dev);
103	if (!error)
104		device_set_desc(dev, "Aironet ISA4500/ISA4800");
105	return (error);
106}
107
108static int
109an_attach_isa(dev)
110	device_t dev;
111{
112	struct an_softc *sc = device_get_softc(dev);
113	int flags = device_get_flags(dev);
114	int error;
115
116	an_alloc_port(dev, sc->port_rid, 1);
117	an_alloc_irq(dev, sc->irq_rid, 0);
118
119	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
120			       an_intr, sc, &sc->irq_handle);
121	if (error) {
122		an_release_resources(dev);
123		return (error);
124	}
125
126	sc->an_bhandle = rman_get_bushandle(sc->port_res);
127	sc->an_btag = rman_get_bustag(sc->port_res);
128	sc->an_dev = dev;
129
130	return an_attach(sc, device_get_unit(dev), flags);
131}
132
133static int
134an_detach_isa(device_t dev)
135{
136	struct an_softc		*sc = device_get_softc(dev);
137	struct ifnet		*ifp = &sc->arpcom.ac_if;
138
139	an_stop(sc);
140	ether_ifdetach(ifp, ETHER_BPF_SUPPORTED);
141	bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
142	an_release_resources(dev);
143
144	return (0);
145}
146
147static device_method_t an_isa_methods[] = {
148	/* Device interface */
149	DEVMETHOD(device_probe,		an_probe_isa),
150	DEVMETHOD(device_attach,	an_attach_isa),
151	DEVMETHOD(device_detach,	an_detach_isa),
152	DEVMETHOD(device_shutdown,	an_shutdown),
153	{ 0, 0 }
154};
155
156static driver_t an_isa_driver = {
157	"an",
158	an_isa_methods,
159	sizeof(struct an_softc)
160};
161
162static devclass_t an_isa_devclass;
163
164DRIVER_MODULE(if_an, isa, an_isa_driver, an_isa_devclass, 0, 0);
165