1/*-
2 * Copyright (c) 1995, David Greenman
3 * 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 unmodified, this list of conditions, and the following
10 *    disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD$");
31
32/*
33 *	National Semiconductor  DP8393X SONIC Driver
34 *
35 *	This is the PC Card attachment on FreeBSD
36 *		written by Motomichi Matsuzaki <mzaki@e-mail.ne.jp> and
37 *			   Hiroshi Yamashita <bluemoon@msj.biglobe.ne.jp>
38 */
39
40#include <sys/param.h>
41#include <sys/systm.h>
42#include <sys/socket.h>
43#include <sys/kernel.h>
44#include <sys/lock.h>
45#include <sys/mutex.h>
46
47#include <sys/module.h>
48#include <sys/bus.h>
49#include <machine/bus.h>
50
51#include <net/ethernet.h>
52#include <net/if.h>
53#include <net/if_arp.h>
54#include <net/if_media.h>
55
56#include <dev/snc/dp83932var.h>
57#include <dev/snc/if_sncvar.h>
58#include <dev/snc/if_sncreg.h>
59
60#include <dev/pccard/pccardvar.h>
61#include <dev/pccard/pccard_cis.h>
62#include "pccarddevs.h"
63
64static const struct pccard_product snc_pccard_products[] = {
65	PCMCIA_CARD(NEC, PC9801N_J02),
66	PCMCIA_CARD(NEC, PC9801N_J02R),
67	{ NULL }
68};
69
70/*
71 *      PC Card (PCMCIA) specific code.
72 */
73static int	snc_pccard_probe(device_t);
74static int	snc_pccard_attach(device_t);
75static int	snc_pccard_detach(device_t);
76
77
78static device_method_t snc_pccard_methods[] = {
79	/* Device interface */
80	DEVMETHOD(device_probe,		snc_pccard_probe),
81	DEVMETHOD(device_attach,	snc_pccard_attach),
82	DEVMETHOD(device_detach,	snc_pccard_detach),
83
84	{ 0, 0 }
85};
86
87static driver_t snc_pccard_driver = {
88	"snc",
89	snc_pccard_methods,
90	sizeof(struct snc_softc)
91};
92
93DRIVER_MODULE(snc, pccard, snc_pccard_driver, snc_devclass, 0, 0);
94MODULE_DEPEND(snc, ether, 1, 1, 1);
95PCCARD_PNP_INFO(snc_pccard_products);
96
97/*
98 *      snc_pccard_detach - detach this instance from the device.
99 */
100static int
101snc_pccard_detach(device_t dev)
102{
103	struct snc_softc *sc = device_get_softc(dev);
104	struct ifnet *ifp = sc->sc_ifp;
105
106	if (sc->gone) {
107		device_printf(dev, "already unloaded\n");
108		return (0);
109	}
110	SNC_LOCK(sc);
111	sncshutdown(sc);
112	SNC_UNLOCK(sc);
113	callout_drain(&sc->sc_timer);
114	ether_ifdetach(ifp);
115	sc->gone = 1;
116	bus_teardown_intr(dev, sc->irq, sc->irq_handle);
117	snc_release_resources(dev);
118	mtx_destroy(&sc->sc_lock);
119	return (0);
120}
121
122/*
123 * Probe the pccard.
124 */
125static int
126snc_pccard_probe(device_t dev)
127{
128	const struct pccard_product *pp;
129
130	if ((pp = pccard_product_lookup(dev, snc_pccard_products,
131	    sizeof(snc_pccard_products[0]), NULL)) == NULL)
132		return (EIO);
133	if (pp->pp_name != NULL)
134		device_set_desc(dev, pp->pp_name);
135	return (0);
136}
137
138static int
139snc_pccard_attach(device_t dev)
140{
141	struct snc_softc *sc = device_get_softc(dev);
142	int error;
143
144	/*
145	 * Not sure that this belongs here or in snc_pccard_attach
146	 */
147	if ((error = snc_alloc_port(dev, 0)) != 0)
148		goto err;
149	if ((error = snc_alloc_memory(dev, 0)) != 0)
150		goto err;
151	if ((error = snc_alloc_irq(dev, 0, 0)) != 0)
152		goto err;
153	if ((error = snc_probe(dev, SNEC_TYPE_PNP)) != 0)
154		goto err;
155	/* This interface is always enabled. */
156	sc->sc_enabled = 1;
157	/* pccard_get_ether(dev, ether_addr); */
158	if ((error = snc_attach(dev)) != 0)
159		goto err;
160	return 0;
161err:;
162	snc_release_resources(dev);
163	return error;
164}
165