if_sm_pcmcia.c revision 1.23 1 /* $NetBSD: if_sm_pcmcia.c,v 1.23 2000/07/30 21:34:48 briggs Exp $ */
2
3 /*-
4 * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40 #include "opt_inet.h"
41 #include "opt_ns.h"
42 #include "bpfilter.h"
43
44 #include <sys/param.h>
45 #include <sys/systm.h>
46 #include <sys/mbuf.h>
47 #include <sys/socket.h>
48 #include <sys/ioctl.h>
49 #include <sys/errno.h>
50 #include <sys/syslog.h>
51 #include <sys/select.h>
52 #include <sys/device.h>
53
54 #include <net/if.h>
55 #include <net/if_dl.h>
56 #include <net/if_ether.h>
57 #include <net/if_media.h>
58
59 #ifdef INET
60 #include <netinet/in.h>
61 #include <netinet/in_systm.h>
62 #include <netinet/in_var.h>
63 #include <netinet/ip.h>
64 #include <netinet/if_inarp.h>
65 #endif
66
67 #ifdef NS
68 #include <netns/ns.h>
69 #include <netns/ns_if.h>
70 #endif
71
72 #if NBPFILTER > 0
73 #include <net/bpf.h>
74 #include <net/bpfdesc.h>
75 #endif
76
77 #include <machine/intr.h>
78 #include <machine/bus.h>
79
80 #include <dev/mii/mii.h>
81 #include <dev/mii/miivar.h>
82
83 #include <dev/ic/smc91cxxreg.h>
84 #include <dev/ic/smc91cxxvar.h>
85
86 #include <dev/pcmcia/pcmciareg.h>
87 #include <dev/pcmcia/pcmciavar.h>
88 #include <dev/pcmcia/pcmciadevs.h>
89
90 int sm_pcmcia_match __P((struct device *, struct cfdata *, void *));
91 void sm_pcmcia_attach __P((struct device *, struct device *, void *));
92 int sm_pcmcia_detach __P((struct device *, int));
93
94 struct sm_pcmcia_softc {
95 struct smc91cxx_softc sc_smc; /* real "smc" softc */
96
97 /* PCMCIA-specific goo. */
98 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
99 int sc_io_window; /* our i/o window */
100 void *sc_ih; /* interrupt cookie */
101 struct pcmcia_function *sc_pf; /* our PCMCIA function */
102 };
103
104 struct cfattach sm_pcmcia_ca = {
105 sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach,
106 sm_pcmcia_detach, smc91cxx_activate
107 };
108
109 int sm_pcmcia_enable __P((struct smc91cxx_softc *));
110 void sm_pcmcia_disable __P((struct smc91cxx_softc *));
111
112 int sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *));
113 int sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *));
114
115 int sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *));
116
117 const struct pcmcia_product sm_pcmcia_products[] = {
118 { PCMCIA_STR_MEGAHERTZ2_XJACK, PCMCIA_VENDOR_MEGAHERTZ2,
119 PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, 0, },
120
121 { PCMCIA_STR_NEWMEDIA_BASICS, PCMCIA_VENDOR_NEWMEDIA,
122 PCMCIA_PRODUCT_NEWMEDIA_BASICS, 0, },
123
124 #if 0
125 { PCMCIA_STR_SMC_8020BT, PCMCIA_VENDOR_SMC,
126 PCMCIA_PRODUCT_SMC_8020BT, 0, },
127 #endif
128
129 { NULL }
130 };
131
132 int
133 sm_pcmcia_match(parent, match, aux)
134 struct device *parent;
135 struct cfdata *match;
136 void *aux;
137 {
138 struct pcmcia_attach_args *pa = aux;
139
140 if (pcmcia_product_lookup(pa, sm_pcmcia_products,
141 sizeof sm_pcmcia_products[0], NULL) != NULL)
142 return (1);
143 return (0);
144 }
145
146 void
147 sm_pcmcia_attach(parent, self, aux)
148 struct device *parent, *self;
149 void *aux;
150 {
151 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
152 struct smc91cxx_softc *sc = &psc->sc_smc;
153 struct pcmcia_attach_args *pa = aux;
154 struct pcmcia_config_entry *cfe;
155 u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL;
156 const struct pcmcia_product *pp;
157
158 psc->sc_pf = pa->pf;
159 cfe = pa->pf->cfe_head.sqh_first;
160
161 /* Enable the card. */
162 pcmcia_function_init(pa->pf, cfe);
163 if (pcmcia_function_enable(pa->pf)) {
164 printf(": function enable failed\n");
165 goto enable_failed;
166 }
167
168 /* XXX sanity check number of mem and i/o spaces */
169
170 /* Allocate and map i/o space for the card. */
171 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
172 cfe->iospace[0].length, &psc->sc_pcioh)) {
173 printf(": can't allocate i/o space\n");
174 goto ioalloc_failed;
175 }
176
177 sc->sc_bst = psc->sc_pcioh.iot;
178 sc->sc_bsh = psc->sc_pcioh.ioh;
179
180 sc->sc_enable = sm_pcmcia_enable;
181 sc->sc_disable = sm_pcmcia_disable;
182
183 if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ?
184 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length,
185 &psc->sc_pcioh, &psc->sc_io_window)) {
186 printf(": can't map i/o space\n");
187 goto iomap_failed;
188 }
189
190 pp = pcmcia_product_lookup(pa, sm_pcmcia_products,
191 sizeof sm_pcmcia_products[0], NULL);
192 if (pp == NULL)
193 panic("sm_pcmcia_attach: impossible");
194
195 printf(": %s\n", pp->pp_name);
196
197 /*
198 * First try to get the Ethernet address from FUNCE/LANNID tuple.
199 */
200 if (sm_pcmcia_funce_enaddr(parent, myla))
201 enaddr = myla;
202
203 /*
204 * If that failed, try one of the CIS info strings.
205 */
206 if (enaddr == NULL) {
207 char *cisstr = NULL;
208
209 switch (pa->manufacturer) {
210 case PCMCIA_VENDOR_MEGAHERTZ:
211 case PCMCIA_VENDOR_MEGAHERTZ2:
212 cisstr = pa->pf->sc->card.cis1_info[3];
213 break;
214
215 case PCMCIA_VENDOR_SMC:
216 cisstr = pa->pf->sc->card.cis1_info[2];
217 break;
218 }
219
220 if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla))
221 enaddr = myla;
222 }
223
224 if (enaddr == NULL)
225 printf("%s: unable to get Ethernet address\n",
226 sc->sc_dev.dv_xname);
227
228 /* Perform generic intialization. */
229 smc91cxx_attach(sc, enaddr);
230
231 pcmcia_function_disable(pa->pf);
232 return;
233
234 iomap_failed:
235 /* Free our i/o space. */
236 pcmcia_io_free(pa->pf, &psc->sc_pcioh);
237
238 ioalloc_failed:
239 /* Disable the device */
240 pcmcia_function_disable(pa->pf);
241
242 enable_failed:
243 psc->sc_io_window = -1;
244 }
245
246 int
247 sm_pcmcia_detach(self, flags)
248 struct device *self;
249 int flags;
250 {
251 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
252 int rv;
253
254 if (psc->sc_io_window == -1)
255 /* Nothing to detach. */
256 return (0);
257
258 rv = smc91cxx_detach((struct device *)&psc->sc_smc, flags);
259 if (rv != 0)
260 return (rv);
261
262 /* Unmap our i/o window. */
263 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
264
265 /* Free our i/o space. */
266 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
267 return (0);
268 }
269
270 int
271 sm_pcmcia_ascii_enaddr(cisstr, myla)
272 const char *cisstr;
273 u_int8_t *myla;
274 {
275 u_int8_t digit;
276 int i;
277
278 memset(myla, 0, ETHER_ADDR_LEN);
279
280 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
281 if (cisstr[i] >= '0' && cisstr[i] <= '9')
282 digit |= cisstr[i] - '0';
283 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f')
284 digit |= (cisstr[i] - 'a') + 10;
285 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F')
286 digit |= (cisstr[i] - 'A') + 10;
287 else {
288 /* Bogus digit!! */
289 return (0);
290 }
291
292 /* Compensate for ordering of digits. */
293 if (i & 1) {
294 myla[i >> 1] = digit;
295 digit = 0;
296 } else
297 digit <<= 4;
298 }
299
300 return (1);
301 }
302
303 int
304 sm_pcmcia_funce_enaddr(parent, myla)
305 struct device *parent;
306 u_int8_t *myla;
307 {
308
309 return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla));
310 }
311
312 int
313 sm_pcmcia_lannid_ciscallback(tuple, arg)
314 struct pcmcia_tuple *tuple;
315 void *arg;
316 {
317 u_int8_t *myla = arg;
318 int i;
319
320 if (tuple->code == PCMCIA_CISTPL_FUNCE) {
321 /* subcode, length */
322 if (tuple->length < 2)
323 return (0);
324
325 if ((pcmcia_tuple_read_1(tuple, 0) !=
326 PCMCIA_TPLFE_TYPE_LAN_NID) ||
327 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
328 return (0);
329
330 for (i = 0; i < ETHER_ADDR_LEN; i++)
331 myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
332 return (1);
333 }
334 return (0);
335 }
336
337 int
338 sm_pcmcia_enable(sc)
339 struct smc91cxx_softc *sc;
340 {
341 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
342 int rv;
343
344 /* Establish the interrupt handler. */
345 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
346 sc);
347 if (psc->sc_ih == NULL) {
348 printf("%s: couldn't establish interrupt handler\n",
349 sc->sc_dev.dv_xname);
350 return (1);
351 }
352
353 rv = pcmcia_function_enable(psc->sc_pf);
354 if (rv != 0)
355 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
356 return (rv);
357 }
358
359 void
360 sm_pcmcia_disable(sc)
361 struct smc91cxx_softc *sc;
362 {
363 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
364
365 pcmcia_function_disable(psc->sc_pf);
366 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
367 }
368