if_sm_pcmcia.c revision 1.14 1 /* $NetBSD: if_sm_pcmcia.c,v 1.14 1998/11/18 18:15:57 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1997, 1998 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/ic/smc91cxxreg.h>
81 #include <dev/ic/smc91cxxvar.h>
82
83 #include <dev/pcmcia/pcmciareg.h>
84 #include <dev/pcmcia/pcmciavar.h>
85 #include <dev/pcmcia/pcmciadevs.h>
86
87 int sm_pcmcia_match __P((struct device *, struct cfdata *, void *));
88 void sm_pcmcia_attach __P((struct device *, struct device *, void *));
89 int sm_pcmcia_detach __P((struct device *, int));
90 int sm_pcmcia_activate __P((struct device *, enum devact));
91
92 struct sm_pcmcia_softc {
93 struct smc91cxx_softc sc_smc; /* real "smc" softc */
94
95 /* PCMCIA-specific goo. */
96 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
97 int sc_io_window; /* our i/o window */
98 void *sc_ih; /* interrupt cookie */
99 struct pcmcia_function *sc_pf; /* our PCMCIA function */
100 };
101
102 struct cfattach sm_pcmcia_ca = {
103 sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach,
104 sm_pcmcia_detach, sm_pcmcia_activate
105 };
106
107 int sm_pcmcia_enable __P((struct smc91cxx_softc *));
108 void sm_pcmcia_disable __P((struct smc91cxx_softc *));
109
110 int sm_pcmcia_ascii_enaddr __P((const char *, u_int8_t *));
111 int sm_pcmcia_funce_enaddr __P((struct device *, u_int8_t *));
112
113 int sm_pcmcia_lannid_ciscallback __P((struct pcmcia_tuple *, void *));
114
115 struct sm_pcmcia_product {
116 u_int32_t spp_vendor; /* vendor ID */
117 u_int32_t spp_product; /* product ID */
118 int spp_expfunc; /* expected function */
119 const char *spp_name; /* product name */
120 } sm_pcmcia_products[] = {
121 { PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_XJACK,
122 0, PCMCIA_STR_MEGAHERTZ2_XJACK },
123
124 { PCMCIA_VENDOR_NEWMEDIA, PCMCIA_PRODUCT_NEWMEDIA_BASICS,
125 0, PCMCIA_STR_NEWMEDIA_BASICS },
126
127 #if 0
128 { PCMCIA_VENDOR_SMC, PCMCIA_PRODUCT_SMC_8020BT,
129 0, PCMCIA_STR_SMC_8020BT },
130 #endif
131
132 { 0, 0,
133 0, NULL },
134 };
135
136 struct sm_pcmcia_product *sm_pcmcia_lookup __P((struct pcmcia_attach_args *));
137
138 struct sm_pcmcia_product *
139 sm_pcmcia_lookup(pa)
140 struct pcmcia_attach_args *pa;
141 {
142 struct sm_pcmcia_product *spp;
143
144 for (spp = sm_pcmcia_products; spp->spp_name != NULL; spp++)
145 if (pa->manufacturer == spp->spp_vendor &&
146 pa->product == spp->spp_product &&
147 pa->pf->number == spp->spp_expfunc)
148 return (spp);
149 return (NULL);
150 }
151
152 int
153 sm_pcmcia_match(parent, match, aux)
154 struct device *parent;
155 struct cfdata *match;
156 void *aux;
157 {
158 struct pcmcia_attach_args *pa = aux;
159
160 if (sm_pcmcia_lookup(pa) != NULL)
161 return (1);
162 return (0);
163 }
164
165 void
166 sm_pcmcia_attach(parent, self, aux)
167 struct device *parent, *self;
168 void *aux;
169 {
170 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
171 struct smc91cxx_softc *sc = &psc->sc_smc;
172 struct pcmcia_attach_args *pa = aux;
173 struct pcmcia_config_entry *cfe;
174 u_int8_t myla[ETHER_ADDR_LEN], *enaddr = NULL;
175 struct sm_pcmcia_product *spp;
176
177 psc->sc_pf = pa->pf;
178 cfe = pa->pf->cfe_head.sqh_first;
179
180 /* Enable the card. */
181 pcmcia_function_init(pa->pf, cfe);
182 if (pcmcia_function_enable(pa->pf)) {
183 printf(": function enable failed\n");
184 return;
185 }
186
187 /* XXX sanity check number of mem and i/o spaces */
188
189 /* Allocate and map i/o space for the card. */
190 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
191 cfe->iospace[0].length, &psc->sc_pcioh)) {
192 printf(": can't allocate i/o space\n");
193 return;
194 }
195
196 sc->sc_bst = psc->sc_pcioh.iot;
197 sc->sc_bsh = psc->sc_pcioh.ioh;
198
199 sc->sc_enable = sm_pcmcia_enable;
200 sc->sc_disable = sm_pcmcia_disable;
201
202 if (pcmcia_io_map(pa->pf, (cfe->flags & PCMCIA_CFE_IO16) ?
203 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8, 0, cfe->iospace[0].length,
204 &psc->sc_pcioh, &psc->sc_io_window)) {
205 printf(": can't map i/o space\n");
206 return;
207 }
208
209 spp = sm_pcmcia_lookup(pa);
210 if (spp == NULL)
211 panic("sm_pcmcia_attach: impossible");
212
213 printf(": %s\n", spp->spp_name);
214
215 /*
216 * First try to get the Ethernet address from FUNCE/LANNID tuple.
217 */
218 if (sm_pcmcia_funce_enaddr(parent, myla))
219 enaddr = myla;
220
221 /*
222 * If that failed, try one of the CIS info strings.
223 */
224 if (enaddr == NULL) {
225 char *cisstr = NULL;
226
227 switch (pa->manufacturer) {
228 case PCMCIA_VENDOR_MEGAHERTZ2:
229 cisstr = pa->pf->sc->card.cis1_info[3];
230 break;
231
232 case PCMCIA_VENDOR_SMC:
233 cisstr = pa->pf->sc->card.cis1_info[2];
234 break;
235 }
236
237 if (cisstr != NULL && sm_pcmcia_ascii_enaddr(cisstr, myla))
238 enaddr = myla;
239 }
240
241 if (enaddr == NULL)
242 printf("%s: unable to get Ethernet address\n",
243 sc->sc_dev.dv_xname);
244
245 /* Perform generic intialization. */
246 smc91cxx_attach(sc, enaddr);
247
248 pcmcia_function_disable(pa->pf);
249 }
250
251 int
252 sm_pcmcia_detach(self, flags)
253 struct device *self;
254 int flags;
255 {
256 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
257
258 /* Unmap our i/o window. */
259 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
260
261 /* Free our i/o space. */
262 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
263
264 #ifdef notyet
265 /*
266 * Our softc is about to go away, so drop our reference
267 * to the ifnet.
268 */
269 if_delref(psc->sc_smc.sc_ec.ec_if);
270 return (0);
271 #else
272 return (EBUSY);
273 #endif
274 }
275
276 int
277 sm_pcmcia_activate(self, act)
278 struct device *self;
279 enum devact act;
280 {
281 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)self;
282 struct smc91cxx_softc *sc = &psc->sc_smc;
283 int rv = 0;
284
285 switch (act) {
286 case DVACT_ACTIVATE:
287 rv = EOPNOTSUPP;
288 break;
289
290 case DVACT_DEACTIVATE:
291 #ifdef notyet
292 /* First, kill off the interface. */
293 if_detach(sc->sc_ec.ec_if);
294 #endif
295
296 /* Now disable the interface. This releases our interrupt. */
297 smc91cxx_disable(sc);
298 break;
299 }
300 return (rv);
301 }
302
303 int
304 sm_pcmcia_ascii_enaddr(cisstr, myla)
305 const char *cisstr;
306 u_int8_t *myla;
307 {
308 char enaddr_str[12];
309 int i, j;
310
311 if (strlen(cisstr) != 12) {
312 /* Bogus address! */
313 return (0);
314 }
315 bcopy(cisstr, enaddr_str, 12);
316 bzero(myla, sizeof(myla));
317 for (i = 0; i < 6; i++) {
318 for (j = 0; j < 2; j++) {
319 /* Convert to upper case. */
320 if (enaddr_str[(i * 2) + j] >= 'a' &&
321 enaddr_str[(i * 2) + j] <= 'z')
322 enaddr_str[(i * 2) + j] -= 'a' - 'A';
323
324 /* Parse the digit. */
325 if (enaddr_str[(i * 2) + j] >= '0' &&
326 enaddr_str[(i * 2) + j] <= '9')
327 myla[i] |= enaddr_str[(i * 2) + j]
328 - '0';
329 else if (enaddr_str[(i * 2) + j] >= 'A' &&
330 enaddr_str[(i * 2) + j] <= 'F')
331 myla[i] |= enaddr_str[(i * 2) + j]
332 - 'A' + 10;
333 else {
334 /* Bogus digit!! */
335 return (0);
336 }
337
338 /* Compensate for ordering of digits. */
339 if (j == 0)
340 myla[i] <<= 4;
341 }
342 }
343
344 return (1);
345 }
346
347 int
348 sm_pcmcia_funce_enaddr(parent, myla)
349 struct device *parent;
350 u_int8_t *myla;
351 {
352
353 return (pcmcia_scan_cis(parent, sm_pcmcia_lannid_ciscallback, myla));
354 }
355
356 int
357 sm_pcmcia_lannid_ciscallback(tuple, arg)
358 struct pcmcia_tuple *tuple;
359 void *arg;
360 {
361 u_int8_t *myla = arg;
362 int i;
363
364 if (tuple->code == PCMCIA_CISTPL_FUNCE) {
365 /* subcode, length */
366 if (tuple->length < 2)
367 return (0);
368
369 if ((pcmcia_tuple_read_1(tuple, 0) !=
370 PCMCIA_TPLFE_TYPE_LAN_NID) ||
371 (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN))
372 return (0);
373
374 for (i = 0; i < ETHER_ADDR_LEN; i++)
375 myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
376 return (1);
377 }
378 return (0);
379 }
380
381 int
382 sm_pcmcia_enable(sc)
383 struct smc91cxx_softc *sc;
384 {
385 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
386
387 /* Establish the interrupt handler. */
388 psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_intr,
389 sc);
390 if (psc->sc_ih == NULL) {
391 printf("%s: couldn't establish interrupt handler\n",
392 sc->sc_dev.dv_xname);
393 return (1);
394 }
395
396 return (pcmcia_function_enable(psc->sc_pf));
397 }
398
399 void
400 sm_pcmcia_disable(sc)
401 struct smc91cxx_softc *sc;
402 {
403 struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc;
404
405 pcmcia_function_disable(psc->sc_pf);
406
407 pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih);
408 }
409