if_ep_pcmcia.c revision 1.26 1 /* $NetBSD: if_ep_pcmcia.c,v 1.26 2000/02/02 07:47:33 itojun Exp $ */
2
3 /*-
4 * Copyright (c) 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 /*
41 * Copyright (c) 1997 Marc Horowitz. All rights reserved.
42 *
43 * Redistribution and use in source and binary forms, with or without
44 * modification, are permitted provided that the following conditions
45 * are met:
46 * 1. Redistributions of source code must retain the above copyright
47 * notice, this list of conditions and the following disclaimer.
48 * 2. Redistributions in binary form must reproduce the above copyright
49 * notice, this list of conditions and the following disclaimer in the
50 * documentation and/or other materials provided with the distribution.
51 * 3. All advertising materials mentioning features or use of this software
52 * must display the following acknowledgement:
53 * This product includes software developed by Marc Horowitz.
54 * 4. The name of the author may not be used to endorse or promote products
55 * derived from this software without specific prior written permission.
56 *
57 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
58 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
59 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
60 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
61 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
62 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
63 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
64 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
65 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
66 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
67 */
68
69 #include "opt_inet.h"
70 #include "opt_ns.h"
71 #include "bpfilter.h"
72
73 #include <sys/param.h>
74 #include <sys/systm.h>
75 #include <sys/mbuf.h>
76 #include <sys/socket.h>
77 #include <sys/ioctl.h>
78 #include <sys/errno.h>
79 #include <sys/syslog.h>
80 #include <sys/select.h>
81 #include <sys/device.h>
82
83 #include <net/if.h>
84 #include <net/if_dl.h>
85 #include <net/if_ether.h>
86 #include <net/if_media.h>
87
88 #ifdef INET
89 #include <netinet/in.h>
90 #include <netinet/in_systm.h>
91 #include <netinet/in_var.h>
92 #include <netinet/ip.h>
93 #include <netinet/if_inarp.h>
94 #endif
95
96 #ifdef NS
97 #include <netns/ns.h>
98 #include <netns/ns_if.h>
99 #endif
100
101 #if NBPFILTER > 0
102 #include <net/bpf.h>
103 #include <net/bpfdesc.h>
104 #endif
105
106 #include <machine/cpu.h>
107 #include <machine/bus.h>
108 #include <machine/intr.h>
109
110 #include <dev/mii/miivar.h>
111
112 #include <dev/ic/elink3var.h>
113 #include <dev/ic/elink3reg.h>
114
115 #include <dev/pcmcia/pcmciareg.h>
116 #include <dev/pcmcia/pcmciavar.h>
117 #include <dev/pcmcia/pcmciadevs.h>
118
119 int ep_pcmcia_match __P((struct device *, struct cfdata *, void *));
120 void ep_pcmcia_attach __P((struct device *, struct device *, void *));
121 int ep_pcmcia_detach __P((struct device *, int));
122 int ep_pcmcia_activate __P((struct device *, enum devact));
123
124 int ep_pcmcia_get_enaddr __P((struct pcmcia_tuple *, void *));
125 int ep_pcmcia_enable __P((struct ep_softc *));
126 void ep_pcmcia_disable __P((struct ep_softc *));
127
128 int ep_pcmcia_enable1 __P((struct ep_softc *));
129 void ep_pcmcia_disable1 __P((struct ep_softc *));
130
131 struct ep_pcmcia_softc {
132 struct ep_softc sc_ep; /* real "ep" softc */
133
134 /* PCMCIA-specific goo */
135 struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */
136 int sc_io_window; /* our i/o window */
137 struct pcmcia_function *sc_pf; /* our PCMCIA function */
138 };
139
140 struct cfattach ep_pcmcia_ca = {
141 sizeof(struct ep_pcmcia_softc), ep_pcmcia_match, ep_pcmcia_attach,
142 ep_pcmcia_detach, ep_pcmcia_activate
143 };
144
145 struct ep_pcmcia_product {
146 u_int32_t epp_product; /* PCMCIA product ID */
147 u_short epp_chipset; /* 3Com chipset used */
148 int epp_flags; /* initial softc flags */
149 int epp_expfunc; /* expected function */
150 const char *epp_name; /* device name */
151 } ep_pcmcia_products[] = {
152 { PCMCIA_PRODUCT_3COM_3C562, ELINK_CHIPSET_3C509,
153 0, 0,
154 PCMCIA_STR_3COM_3C562 },
155 { PCMCIA_PRODUCT_3COM_3C589, ELINK_CHIPSET_3C509,
156 0, 0,
157 PCMCIA_STR_3COM_3C589 },
158
159 { PCMCIA_PRODUCT_3COM_3CXEM556, ELINK_CHIPSET_3C509,
160 0, 0,
161 PCMCIA_STR_3COM_3CXEM556 },
162
163 { PCMCIA_PRODUCT_3COM_3CXEM556INT, ELINK_CHIPSET_3C509,
164 0, 0,
165 PCMCIA_STR_3COM_3CXEM556INT },
166
167 { PCMCIA_PRODUCT_3COM_3C574, ELINK_CHIPSET_ROADRUNNER,
168 ELINK_FLAGS_MII, 0,
169 PCMCIA_STR_3COM_3C574 },
170
171 { PCMCIA_PRODUCT_3COM_3CCFEM556BI, ELINK_CHIPSET_ROADRUNNER,
172 ELINK_FLAGS_MII, 0,
173 PCMCIA_STR_3COM_3CCFEM556BI },
174
175 { 0, 0,
176 0, 0,
177 NULL },
178 };
179
180 struct ep_pcmcia_product *ep_pcmcia_lookup __P((struct pcmcia_attach_args *));
181
182 struct ep_pcmcia_product *
183 ep_pcmcia_lookup(pa)
184 struct pcmcia_attach_args *pa;
185 {
186 struct ep_pcmcia_product *epp;
187
188 for (epp = ep_pcmcia_products; epp->epp_name != NULL; epp++)
189 if (pa->product == epp->epp_product &&
190 pa->pf->number == epp->epp_expfunc)
191 return (epp);
192
193 return (NULL);
194 }
195
196 int
197 ep_pcmcia_match(parent, match, aux)
198 struct device *parent;
199 struct cfdata *match;
200 void *aux;
201 {
202 struct pcmcia_attach_args *pa = aux;
203
204 if (pa->manufacturer != PCMCIA_VENDOR_3COM)
205 return (0);
206
207 if (ep_pcmcia_lookup(pa) != NULL)
208 return (1);
209
210 return (0);
211 }
212
213 int
214 ep_pcmcia_enable(sc)
215 struct ep_softc *sc;
216 {
217 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
218 struct pcmcia_function *pf = psc->sc_pf;
219
220 /* establish the interrupt. */
221 sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, epintr, sc);
222 if (sc->sc_ih == NULL) {
223 printf("%s: couldn't establish interrupt\n",
224 sc->sc_dev.dv_xname);
225 return (1);
226 }
227
228 return (ep_pcmcia_enable1(sc));
229 }
230
231 int
232 ep_pcmcia_enable1(sc)
233 struct ep_softc *sc;
234 {
235 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
236 struct pcmcia_function *pf = psc->sc_pf;
237 int ret;
238
239 if ((ret = pcmcia_function_enable(pf)))
240 return (ret);
241
242 if ((psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3C562) ||
243 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556) ||
244 (psc->sc_pf->sc->card.product == PCMCIA_PRODUCT_3COM_3CXEM556INT)) {
245 int reg;
246
247 /* turn off the serial-disable bit */
248
249 reg = pcmcia_ccr_read(pf, PCMCIA_CCR_OPTION);
250 if (reg & 0x08) {
251 reg &= ~0x08;
252 pcmcia_ccr_write(pf, PCMCIA_CCR_OPTION, reg);
253 }
254
255 }
256
257 return (ret);
258 }
259
260 void
261 ep_pcmcia_disable(sc)
262 struct ep_softc *sc;
263 {
264 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
265
266 ep_pcmcia_disable1(sc);
267 pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
268 sc->sc_ih = 0;
269 }
270
271 void
272 ep_pcmcia_disable1(sc)
273 struct ep_softc *sc;
274 {
275 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *) sc;
276
277 pcmcia_function_disable(psc->sc_pf);
278 }
279
280 void
281 ep_pcmcia_attach(parent, self, aux)
282 struct device *parent, *self;
283 void *aux;
284 {
285 struct ep_pcmcia_softc *psc = (void *) self;
286 struct ep_softc *sc = &psc->sc_ep;
287 struct pcmcia_attach_args *pa = aux;
288 struct pcmcia_config_entry *cfe;
289 struct ep_pcmcia_product *epp;
290 u_int8_t myla[ETHER_ADDR_LEN];
291 u_int8_t *enaddr = NULL;
292 int i;
293
294 psc->sc_pf = pa->pf;
295 cfe = pa->pf->cfe_head.sqh_first;
296
297 /* Enable the card. */
298 pcmcia_function_init(pa->pf, cfe);
299 if (ep_pcmcia_enable1(sc))
300 printf(": function enable failed\n");
301
302 sc->enabled = 1;
303
304 if (cfe->num_memspace != 0)
305 printf(": unexpected number of memory spaces %d should be 0\n",
306 cfe->num_memspace);
307
308 if (cfe->num_iospace != 1)
309 printf(": unexpected number of I/O spaces %d should be 1\n",
310 cfe->num_iospace);
311
312 if (pa->product == PCMCIA_PRODUCT_3COM_3C562) {
313 bus_addr_t maxaddr = (pa->pf->sc->iobase + pa->pf->sc->iosize);
314
315 for (i = pa->pf->sc->iobase; i < maxaddr; i += 0x10) {
316 /*
317 * the 3c562 can only use 0x??00-0x??7f
318 * according to the Linux driver
319 */
320 if (i & 0x80)
321 continue;
322 if (pcmcia_io_alloc(pa->pf, i, cfe->iospace[0].length,
323 0, &psc->sc_pcioh) == 0)
324 break;
325 }
326 if (i >= maxaddr) {
327 printf(": can't allocate i/o space\n");
328 return;
329 }
330 } else {
331 if (pcmcia_io_alloc(pa->pf, 0, cfe->iospace[0].length,
332 cfe->iospace[0].length, &psc->sc_pcioh))
333 printf(": can't allocate i/o space\n");
334 }
335
336 sc->sc_iot = psc->sc_pcioh.iot;
337 sc->sc_ioh = psc->sc_pcioh.ioh;
338
339 if (pcmcia_io_map(pa->pf, ((cfe->flags & PCMCIA_CFE_IO16) ?
340 PCMCIA_WIDTH_IO16 : PCMCIA_WIDTH_IO8), 0, cfe->iospace[0].length,
341 &psc->sc_pcioh, &psc->sc_io_window)) {
342 printf(": can't map i/o space\n");
343 return;
344 }
345
346 switch (pa->product) {
347 case PCMCIA_PRODUCT_3COM_3C562:
348 /*
349 * 3c562a-c use this; 3c562d does it in the regular way.
350 * we might want to check the revision and produce a warning
351 * in the future.
352 */
353 /* FALLTHROUGH */
354 case PCMCIA_PRODUCT_3COM_3C574:
355 case PCMCIA_PRODUCT_3COM_3CCFEM556BI:
356 /*
357 * Apparently, some 3c574s do it this way, as well.
358 */
359 if (pcmcia_scan_cis(parent, ep_pcmcia_get_enaddr, myla))
360 enaddr = myla;
361 break;
362 }
363
364 epp = ep_pcmcia_lookup(pa);
365 if (epp == NULL)
366 panic("ep_pcmcia_attach: impossible");
367
368 printf(": %s\n", epp->epp_name);
369
370 sc->bustype = ELINK_BUS_PCMCIA;
371 sc->ep_flags = epp->epp_flags;
372
373 sc->enable = ep_pcmcia_enable;
374 sc->disable = ep_pcmcia_disable;
375
376 epconfig(sc, epp->epp_chipset, enaddr);
377
378 sc->enabled = 0;
379
380 ep_pcmcia_disable1(sc);
381 }
382
383 int
384 ep_pcmcia_activate(dev, act)
385 struct device *dev;
386 enum devact act;
387 {
388 struct ep_pcmcia_softc *sc = (struct ep_pcmcia_softc *)dev;
389 int s;
390 int rv = 0;
391
392 s = splnet();
393 switch (act) {
394 case DVACT_ACTIVATE:
395 rv = EOPNOTSUPP;
396 break;
397
398 case DVACT_DEACTIVATE:
399 if (sc->sc_ep.sc_ih != NULL)
400 ep_pcmcia_disable((void *)sc);
401 break;
402 }
403 splx(s);
404 return (rv);
405 }
406
407 int
408 ep_pcmcia_detach(self, flags)
409 struct device *self;
410 int flags;
411 {
412 struct ep_pcmcia_softc *psc = (struct ep_pcmcia_softc *)self;
413 struct ep_softc *sc = &psc->sc_ep;
414 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
415
416 /* Unmap our i/o window. */
417 pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
418
419 /* Free our i/o space. */
420 pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
421
422 #if NBPFILTER > 0
423 bpfdetach(ifp);
424 #endif
425 ether_ifdetach(ifp);
426 if_detach(ifp);
427
428 return (0);
429 }
430
431 int
432 ep_pcmcia_get_enaddr(tuple, arg)
433 struct pcmcia_tuple *tuple;
434 void *arg;
435 {
436 u_int8_t *myla = arg;
437 int i;
438
439 /* this is 3c562a-c magic */
440 if (tuple->code == 0x88) {
441 if (tuple->length < ETHER_ADDR_LEN)
442 return (0);
443
444 for (i = 0; i < ETHER_ADDR_LEN; i += 2) {
445 myla[i] = pcmcia_tuple_read_1(tuple, i + 1);
446 myla[i + 1] = pcmcia_tuple_read_1(tuple, i);
447 }
448
449 return (1);
450 }
451 return (0);
452 }
453