Merge from vendor branch OPENSSH:
[dragonfly.git] / sys / dev / netif / ex / if_ex_pccard.c
1 /*-
2  * Copyright (c) 2000 Mitsuru IWASAKI
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 AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  *
26  *      $FreeBSD: src/sys/dev/ex/if_ex_pccard.c,v 1.2.2.1 2001/03/05 05:33:20 imp Exp $
27  *      $DragonFly: src/sys/dev/netif/ex/if_ex_pccard.c,v 1.12 2006/10/25 20:55:57 dillon Exp $
28  */
29
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/socket.h>
34 #include <sys/module.h>
35 #include <sys/bus.h>
36 #include <sys/rman.h>
37 #include <sys/serialize.h>
38
39 #include <net/if.h>
40 #include <net/if_arp.h>
41 #include <net/if_media.h> 
42
43
44 #include "if_exreg.h"
45 #include "if_exvar.h"
46
47 #include <bus/pccard/pccardvar.h>
48 #include <bus/pccard/pccarddevs.h>
49
50 static const struct pccard_product ex_pccard_products[] = {
51         PCMCIA_CARD(OLICOM, OC2220, 0),
52         { NULL }
53 };
54
55 /* Bus Front End Functions */
56 static int      ex_pccard_match         (device_t);
57 static int      ex_pccard_probe         (device_t);
58 static int      ex_pccard_attach        (device_t);
59 static int      ex_pccard_detach        (device_t);
60
61 static device_method_t ex_pccard_methods[] = {
62         /* Device interface */
63         DEVMETHOD(device_probe,         pccard_compat_probe),
64         DEVMETHOD(device_attach,        pccard_compat_attach),
65         DEVMETHOD(device_detach,        ex_pccard_detach),
66
67         /* Card interface */
68         DEVMETHOD(card_compat_match,    ex_pccard_match),
69         DEVMETHOD(card_compat_probe,    ex_pccard_probe),
70         DEVMETHOD(card_compat_attach,   ex_pccard_attach),
71
72         { 0, 0 }
73 };
74
75 static driver_t ex_pccard_driver = {
76         "ex",
77         ex_pccard_methods,
78         sizeof(struct ex_softc),
79 };
80
81 extern devclass_t ex_devclass;
82
83 DRIVER_MODULE(if_ex, pccard, ex_pccard_driver, ex_devclass, 0, 0);
84
85 static int
86 ex_pccard_match(device_t dev)
87 {
88         const struct pccard_product *pp;
89
90         if ((pp = pccard_product_lookup(dev, ex_pccard_products,
91             sizeof(ex_pccard_products[0]), NULL)) != NULL) {
92                 if (pp->pp_name != NULL)
93                         device_set_desc(dev, pp->pp_name);
94                 return 0;
95         }
96         return EIO;
97 }
98
99 static int
100 ex_pccard_probe(device_t dev)
101 {
102         u_int           iobase;
103         u_int           irq;
104
105         iobase = bus_get_resource_start(dev, SYS_RES_IOPORT, 0);
106         if (!iobase) {
107                 printf("ex: no iobase?\n");
108                 return(ENXIO);
109         }
110
111         if (bootverbose)
112                 printf("ex: ex_pccard_probe() found card at 0x%03x\n", iobase);
113
114         irq = bus_get_resource_start(dev, SYS_RES_IRQ, 0);
115
116         if (irq == 0) {
117                 printf("ex: invalid IRQ.\n");
118                 return(ENXIO);
119         }
120
121         return(0);
122 }
123
124 static int
125 ex_pccard_attach(device_t dev)
126 {
127         struct ex_softc *       sc = device_get_softc(dev);
128         int                     error = 0;
129         int                     i;
130         uint8_t                 sum;
131         uint8_t *               ether_addr;
132
133         sc->dev = dev;
134         sc->ioport_rid = 0;
135         sc->irq_rid = 0;
136
137         if ((error = ex_alloc_resources(dev)) != 0) {
138                 device_printf(dev, "ex_alloc_resources() failed!\n");
139                 goto bad;
140         }
141
142         /*
143          * Fill in several fields of the softc structure:
144          *      - I/O base address.
145          *      - Hardware Ethernet address.
146          *      - IRQ number.
147          */
148         sc->iobase = rman_get_start(sc->ioport);
149         sc->irq_no = rman_get_start(sc->irq);
150
151         ether_addr = pccard_get_ether(dev);
152         for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
153                 sum |= ether_addr[i];
154         if (sum)
155                 bcopy(ether_addr, sc->arpcom.ac_enaddr, ETHER_ADDR_LEN);
156
157         if ((error = ex_attach(dev)) != 0) {
158                 device_printf(dev, "ex_attach() failed!\n");
159                 goto bad;
160         }
161
162         error = bus_setup_intr(dev, sc->irq, INTR_NETSAFE,
163                                 ex_intr, (void *)sc, &sc->ih, 
164                                 sc->arpcom.ac_if.if_serializer);
165         if (error) {
166                 device_printf(dev, "bus_setup_intr() failed!\n");
167                 goto bad;
168         }
169
170         return(0);
171 bad:
172         ex_release_resources(dev);
173         return (error);
174 }
175
176 static int
177 ex_pccard_detach(device_t dev)
178 {
179         struct ex_softc         *sc = device_get_softc(dev);
180         struct ifnet            *ifp = &sc->arpcom.ac_if;
181
182         lwkt_serialize_enter(ifp->if_serializer);
183         ex_stop(sc);
184         ifp->if_flags &= ~IFF_RUNNING;
185         lwkt_serialize_exit(ifp->if_serializer);
186
187         ether_ifdetach(ifp);
188         ex_release_resources(dev);
189         return (0);
190 }