{ether,ieee80211}_ifdetach() can't be called with serializer being held, since
[dragonfly.git] / sys / dev / netif / sn / if_sn_pccard.c
1 /*
2  * Copyright (c) 1999 M. Warner Losh <imp@village.org> 
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, 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  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24  *
25  * $FreeBSD: src/sys/dev/sn/if_sn_pccard.c,v 1.3.2.2 2001/01/25 19:40:27 imp Exp $
26  * $DragonFly: src/sys/dev/netif/sn/if_sn_pccard.c,v 1.7 2005/12/31 14:08:00 sephe Exp $
27  */
28
29 /*
30  * Modifications for Megahertz X-Jack Ethernet Card (XJ-10BT)
31  * 
32  * Copyright (c) 1996 by Tatsumi Hosokawa <hosokawa@jp.FreeBSD.org>
33  *                       BSD-nomads, Tokyo, Japan.
34  */
35
36 #include <sys/param.h>
37 #include <sys/systm.h>
38 #include <sys/kernel.h>
39 #include <sys/socket.h>
40
41 #include <sys/module.h>
42 #include <sys/bus.h>
43
44 #include <machine/bus.h>
45 #include <machine/resource.h>
46 #include <sys/rman.h>
47  
48 #include <net/ethernet.h> 
49 #include <net/if.h> 
50 #include <net/if_arp.h>
51 #include <net/if_media.h>
52
53 #include <machine/clock.h>
54
55 #include "if_snreg.h"
56 #include "if_snvar.h"
57 #include <bus/pccard/pccardvar.h>
58 #include <bus/pccard/pccarddevs.h>
59
60 #include "card_if.h"
61
62 static const struct pccard_product sn_pccard_products[] = {
63         PCMCIA_CARD(DSPSI, XJACK, 0),
64         PCMCIA_CARD(NEWMEDIA, BASICS, 0),
65 #if 0
66         PCMCIA_CARD(SMC, 8020BT, 0),
67 #endif
68         { NULL }
69 };
70
71 static int
72 sn_pccard_match(device_t dev)
73 {
74         const struct pccard_product *pp;
75
76         if ((pp = pccard_product_lookup(dev, sn_pccard_products,
77             sizeof(sn_pccard_products[0]), NULL)) != NULL) {
78                 if (pp->pp_name != NULL)
79                         device_set_desc(dev, pp->pp_name);
80                 return 0;
81         }
82         return EIO;
83 }
84
85 /*
86  * Initialize the device - called from Slot manager.
87  */
88 static int
89 sn_pccard_probe(device_t dev)
90 {
91         return (sn_probe(dev, 1));
92 }
93
94 static int
95 sn_pccard_attach(device_t dev)
96 {
97         struct sn_softc *sc = device_get_softc(dev);
98         int i;
99         uint8_t sum;
100         uint8_t *ether_addr;
101
102         sc->pccard_enaddr = 0;
103         ether_addr = pccard_get_ether(dev);
104         for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
105                 sum |= ether_addr[i];
106         if (sum) {
107                 sc->pccard_enaddr = 1;
108                 bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
109         }
110
111         return (sn_attach(dev));
112 }
113
114 static int
115 sn_pccard_detach(device_t dev)
116 {
117         struct sn_softc *sc = device_get_softc(dev);
118         struct ifnet *ifp = &sc->arpcom.ac_if;
119
120         lwkt_serialize_enter(ifp->if_serializer);
121         ifp->if_flags &= ~IFF_RUNNING;
122         bus_teardown_intr(dev, sc->irq_res, sc->intrhand);
123         lwkt_serialize_enter(ifp->if_serializer);
124
125         ether_ifdetach(&sc->arpcom.ac_if);
126         sn_deactivate(dev);
127
128         return 0;
129 }
130
131 static device_method_t sn_pccard_methods[] = {
132         /* Device interface */
133         DEVMETHOD(device_probe,         pccard_compat_probe),
134         DEVMETHOD(device_attach,        pccard_compat_attach),
135         DEVMETHOD(device_detach,        sn_pccard_detach),
136
137         /* Card interface */
138         DEVMETHOD(card_compat_match,    sn_pccard_match),
139         DEVMETHOD(card_compat_probe,    sn_pccard_probe),
140         DEVMETHOD(card_compat_attach,   sn_pccard_attach),
141
142         { 0, 0 }
143 };
144
145 static driver_t sn_pccard_driver = {
146         "sn",
147         sn_pccard_methods,
148         sizeof(struct sn_softc),
149 };
150
151 extern devclass_t sn_devclass;
152
153 DRIVER_MODULE(if_sn, pccard, sn_pccard_driver, sn_devclass, 0, 0);