if_an_isa.c revision 113316 
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: head/sys/dev/an/if_an_isa.c 113316 2003-04-10 05:12:45Z imp $");
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/sockio.h>
53#include <sys/mbuf.h>
54#include <sys/kernel.h>
55#include <sys/socket.h>
56
57#include <sys/module.h>
58#include <sys/bus.h>
59#include <machine/bus.h>
60#include <sys/rman.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 <isa/isavar.h>
71#include <isa/pnpvar.h>
72
73#include <dev/an/if_aironet_ieee.h>
74#include <dev/an/if_anreg.h>
75
76static struct isa_pnp_id an_ids[] = {
77	{ 0x0100ec06, "Aironet ISA4500/ISA4800" },
78	{ 0, NULL }
79};
80
81static int an_probe_isa		(device_t);
82static int an_attach_isa	(device_t);
83static int an_detach_isa	(device_t);
84
85static int
86an_probe_isa(dev)
87	device_t		dev;
88{
89	int			error = 0;
90
91	error = ISA_PNP_PROBE(device_get_parent(dev), dev, an_ids);
92	if (error == ENXIO)
93		return(error);
94
95	error = an_probe(dev);
96	an_release_resources(dev);
97	if (error == 0)
98		return (ENXIO);
99
100	error = an_alloc_irq(dev, 0, 0);
101	an_release_resources(dev);
102	if (!error)
103		device_set_desc(dev, "Aironet ISA4500/ISA4800");
104	return (error);
105}
106
107static int
108an_attach_isa(dev)
109	device_t dev;
110{
111	struct an_softc *sc = device_get_softc(dev);
112	int flags = device_get_flags(dev);
113	int error;
114
115	an_alloc_port(dev, sc->port_rid, 1);
116	an_alloc_irq(dev, sc->irq_rid, 0);
117
118	sc->an_bhandle = rman_get_bushandle(sc->port_res);
119	sc->an_btag = rman_get_bustag(sc->port_res);
120	sc->an_dev = dev;
121
122	error = an_attach(sc, device_get_unit(dev), flags);
123	if (error) {
124		an_release_resources(dev);
125		return (error);
126	}
127
128	error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
129			       an_intr, sc, &sc->irq_handle);
130	if (error) {
131		an_release_resources(dev);
132		return (error);
133	}
134	return (0);
135}
136
137static int
138an_detach_isa(device_t dev)
139{
140	struct an_softc		*sc = device_get_softc(dev);
141	struct ifnet		*ifp = &sc->arpcom.ac_if;
142
143	an_stop(sc);
144	ifmedia_removeall(&sc->an_ifmedia);
145	ether_ifdetach(ifp);
146	bus_teardown_intr(dev, sc->irq_res, sc->irq_handle);
147	an_release_resources(dev);
148
149	return (0);
150}
151
152static device_method_t an_isa_methods[] = {
153	/* Device interface */
154	DEVMETHOD(device_probe,		an_probe_isa),
155	DEVMETHOD(device_attach,	an_attach_isa),
156	DEVMETHOD(device_detach,	an_detach_isa),
157	DEVMETHOD(device_shutdown,	an_shutdown),
158	{ 0, 0 }
159};
160
161static driver_t an_isa_driver = {
162	"an",
163	an_isa_methods,
164	sizeof(struct an_softc)
165};
166
167static devclass_t an_isa_devclass;
168
169DRIVER_MODULE(if_an, isa, an_isa_driver, an_isa_devclass, 0, 0);
170MODULE_DEPEND(if_an, wlan, 1, 1, 1);
171