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 */
27
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD: releng/7.3/sys/dev/ex/if_ex_pccard.c 166901 2007-02-23 12:19:07Z piso $");
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/kernel.h>
34 #include <sys/socket.h>
35
36 #include <sys/module.h>
37 #include <sys/bus.h>
38
39 #include <machine/bus.h>
40 #include <machine/resource.h>
41 #include <sys/rman.h>
42
43 #include <net/if.h>
44 #include <net/if_arp.h>
45 #include <net/if_media.h>
46
47 #include <dev/ex/if_exreg.h>
48 #include <dev/ex/if_exvar.h>
49
50 #include <dev/pccard/pccardvar.h>
51 #include <dev/pccard/pccard_cis.h>
52
53 #include "pccarddevs.h"
54
55 static const struct pccard_product ex_pccard_products[] = {
56 PCMCIA_CARD(OLICOM, OC2220),
57 PCMCIA_CARD(OLICOM, OC2231),
58 PCMCIA_CARD(OLICOM, OC2232),
59 PCMCIA_CARD(INTEL, ETHEREXPPRO),
60 { NULL }
61 };
62
63 /* Bus Front End Functions */
64 static int ex_pccard_probe(device_t);
65 static int ex_pccard_attach(device_t);
66
67 static int
68 ex_pccard_enet_ok(u_char *enaddr)
69 {
70 int i;
71 u_char sum;
72
73 if (enaddr[0] == 0xff)
74 return (0);
75 for (i = 0, sum = 0; i < ETHER_ADDR_LEN; i++)
76 sum |= enaddr[i];
77 return (sum != 0);
78 }
79
80 static int
81 ex_pccard_silicom_cb(const struct pccard_tuple *tuple, void *arg)
82 {
83 u_char *enaddr = arg;
84 int i;
85
86 if (tuple->code != CISTPL_FUNCE)
87 return (0);
88 if (tuple->length != 15)
89 return (0);
90 if (pccard_tuple_read_1(tuple, 6) != 6)
91 return (0);
92 for (i = 0; i < 6; i++)
93 enaddr[i] = pccard_tuple_read_1(tuple, 7 + i);
94 return (1);
95 }
96
97 static void
98 ex_pccard_get_silicom_mac(device_t dev, u_char *ether_addr)
99 {
100 pccard_cis_scan(dev, ex_pccard_silicom_cb, ether_addr);
101 }
102
103 static int
104 ex_pccard_probe(device_t dev)
105 {
106 const struct pccard_product *pp;
107 int error;
108 uint32_t fcn = PCCARD_FUNCTION_UNSPEC;
109
110 /* Make sure we're a network function */
111 error = pccard_get_function(dev, &fcn);
112 if (error != 0)
113 return (error);
114 if (fcn != PCCARD_FUNCTION_NETWORK)
115 return (ENXIO);
116
117 if ((pp = pccard_product_lookup(dev, ex_pccard_products,
118 sizeof(ex_pccard_products[0]), NULL)) != NULL) {
119 if (pp->pp_name != NULL)
120 device_set_desc(dev, pp->pp_name);
121 return 0;
122 }
123 return EIO;
124 }
125
126 static int
127 ex_pccard_attach(device_t dev)
128 {
129 struct ex_softc * sc = device_get_softc(dev);
130 int error = 0;
131 u_char ether_addr[ETHER_ADDR_LEN];
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 * - Hardware Ethernet address.
145 * - IRQ number.
146 */
147 sc->irq_no = rman_get_start(sc->irq);
148
149 /* Try to get the ethernet address from the chip, then the CIS */
150 ex_get_address(sc, ether_addr);
151 if (!ex_pccard_enet_ok(ether_addr))
152 pccard_get_ether(dev, ether_addr);
153 if (!ex_pccard_enet_ok(ether_addr))
154 ex_pccard_get_silicom_mac(dev, ether_addr);
155 if (!ex_pccard_enet_ok(ether_addr)) {
156 device_printf(dev, "No NIC address found.\n");
157 error = ENXIO;
158 goto bad;
159 }
160 bcopy(ether_addr, sc->enaddr, ETHER_ADDR_LEN);
161
162 if ((error = ex_attach(dev)) != 0) {
163 device_printf(dev, "ex_attach() failed!\n");
164 goto bad;
165 }
166
167 error = bus_setup_intr(dev, sc->irq, INTR_TYPE_NET,
168 NULL, ex_intr, (void *)sc, &sc->ih);
169 if (error) {
170 device_printf(dev, "bus_setup_intr() failed!\n");
171 goto bad;
172 }
173
174 return(0);
175 bad:
176 ex_release_resources(dev);
177 return (error);
178 }
179 static device_method_t ex_pccard_methods[] = {
180 /* Device interface */
181 DEVMETHOD(device_probe, ex_pccard_probe),
182 DEVMETHOD(device_attach, ex_pccard_attach),
183 DEVMETHOD(device_detach, ex_detach),
184
185 { 0, 0 }
186 };
187
188 static driver_t ex_pccard_driver = {
189 "ex",
190 ex_pccard_methods,
191 sizeof(struct ex_softc),
192 };
193
194 DRIVER_MODULE(ex, pccard, ex_pccard_driver, ex_devclass, 0, 0);
Cache object: b5cdb1a3c9ada303b4e81adf5c1cf936
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