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
64 static 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 */
73 static int snc_pccard_probe(device_t);
74 static int snc_pccard_attach(device_t);
75 static int snc_pccard_detach(device_t);
76
77
78 static 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
87 static driver_t snc_pccard_driver = {
88 "snc",
89 snc_pccard_methods,
90 sizeof(struct snc_softc)
91 };
92
93 DRIVER_MODULE(snc, pccard, snc_pccard_driver, snc_devclass, 0, 0);
94 MODULE_DEPEND(snc, ether, 1, 1, 1);
95 PCCARD_PNP_INFO(snc_pccard_products);
96
97 /*
98 * snc_pccard_detach - detach this instance from the device.
99 */
100 static int
snc_pccard_detach(device_t dev)101 snc_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 */
125 static int
snc_pccard_probe(device_t dev)126 snc_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
138 static int
snc_pccard_attach(device_t dev)139 snc_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;
161 err:;
162 snc_release_resources(dev);
163 return error;
164 }
165