mhzc.c revision 1.8 1 /* $NetBSD: mhzc.c,v 1.8 2001/11/13 07:26:34 lukem Exp $ */
2
3 /*-
4 * Copyright (c) 1999, 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 /*
41 * Device driver for the Megaherz X-JACK Ethernet/Modem combo cards.
42 *
43 * Many thanks to Chuck Cranor for having the patience to sift through
44 * the Linux smc91c92_cs.c driver to find the magic details to get this
45 * working!
46 */
47
48 #include <sys/cdefs.h>
49 __KERNEL_RCSID(0, "$NetBSD: mhzc.c,v 1.8 2001/11/13 07:26:34 lukem Exp $");
50
51 #include "opt_inet.h"
52 #include "opt_ns.h"
53 #include "bpfilter.h"
54
55 #include <sys/param.h>
56 #include <sys/systm.h>
57 #include <sys/mbuf.h>
58 #include <sys/socket.h>
59 #include <sys/ioctl.h>
60 #include <sys/errno.h>
61 #include <sys/syslog.h>
62 #include <sys/select.h>
63 #include <sys/tty.h>
64 #include <sys/device.h>
65
66 #include <net/if.h>
67 #include <net/if_dl.h>
68 #include <net/if_ether.h>
69 #include <net/if_media.h>
70
71 #ifdef INET
72 #include <netinet/in.h>
73 #include <netinet/in_systm.h>
74 #include <netinet/in_var.h>
75 #include <netinet/ip.h>
76 #include <netinet/if_inarp.h>
77 #endif
78
79 #ifdef NS
80 #include <netns/ns.h>
81 #include <netns/ns_if.h>
82 #endif
83
84 #if NBPFILTER > 0
85 #include <net/bpf.h>
86 #include <net/bpfdesc.h>
87 #endif
88
89 #include <machine/intr.h>
90 #include <machine/bus.h>
91
92 #include <dev/ic/comreg.h>
93 #include <dev/ic/comvar.h>
94
95 #include <dev/mii/mii.h>
96 #include <dev/mii/miivar.h>
97
98 #include <dev/ic/smc91cxxreg.h>
99 #include <dev/ic/smc91cxxvar.h>
100
101 #include <dev/pcmcia/pcmciareg.h>
102 #include <dev/pcmcia/pcmciavar.h>
103 #include <dev/pcmcia/pcmciadevs.h>
104
105 #include "mhzc.h"
106
107 struct mhzc_softc {
108 struct device sc_dev; /* generic device glue */
109
110 struct pcmcia_function *sc_pf; /* our PCMCIA function */
111 void *sc_ih; /* interrupt handle */
112
113 const struct mhzc_product *sc_product;
114
115 /*
116 * Data for the Modem portion.
117 */
118 struct device *sc_modem;
119 struct pcmcia_io_handle sc_modem_pcioh;
120 int sc_modem_io_window;
121
122 /*
123 * Data for the Ethernet portion.
124 */
125 struct device *sc_ethernet;
126 struct pcmcia_io_handle sc_ethernet_pcioh;
127 int sc_ethernet_io_window;
128
129 int sc_flags;
130 };
131
132 /* sc_flags */
133 #define MHZC_MODEM_MAPPED 0x01
134 #define MHZC_ETHERNET_MAPPED 0x02
135 #define MHZC_MODEM_ENABLED 0x04
136 #define MHZC_ETHERNET_ENABLED 0x08
137 #define MHZC_IOSPACE_ALLOCED 0x10
138
139 int mhzc_match __P((struct device *, struct cfdata *, void *));
140 void mhzc_attach __P((struct device *, struct device *, void *));
141 int mhzc_detach __P((struct device *, int));
142 int mhzc_activate __P((struct device *, enum devact));
143
144 struct cfattach mhzc_ca = {
145 sizeof(struct mhzc_softc), mhzc_match, mhzc_attach,
146 mhzc_detach, mhzc_activate
147 };
148
149 int mhzc_em3336_enaddr __P((struct mhzc_softc *, u_int8_t *));
150 int mhzc_em3336_enable __P((struct mhzc_softc *));
151
152 const struct mhzc_product {
153 struct pcmcia_product mp_product;
154
155 /* Get the Ethernet address for this card. */
156 int (*mp_enaddr) __P((struct mhzc_softc *, u_int8_t *));
157
158 /* Perform any special `enable' magic. */
159 int (*mp_enable) __P((struct mhzc_softc *));
160 } mhzc_products[] = {
161 { { PCMCIA_STR_MEGAHERTZ_XJEM3336, PCMCIA_VENDOR_MEGAHERTZ,
162 PCMCIA_PRODUCT_MEGAHERTZ_XJEM3336, 0 },
163 mhzc_em3336_enaddr, mhzc_em3336_enable },
164
165 /*
166 * Eventually we could add support for other Ethernet/Modem
167 * combo cards, even if they're aren't Megahertz, because
168 * most of them work more or less the same way.
169 */
170
171 { { NULL } }
172 };
173
174 int mhzc_print __P((void *, const char *));
175
176 int mhzc_check_cfe __P((struct mhzc_softc *, struct pcmcia_config_entry *));
177 int mhzc_alloc_ethernet __P((struct mhzc_softc *, struct pcmcia_config_entry *));
178
179 int mhzc_enable __P((struct mhzc_softc *, int));
180 void mhzc_disable __P((struct mhzc_softc *, int));
181
182 int mhzc_intr __P((void *));
183
184 int
185 mhzc_match(parent, match, aux)
186 struct device *parent;
187 struct cfdata *match;
188 void *aux;
189 {
190 struct pcmcia_attach_args *pa = aux;
191
192 if (pcmcia_product_lookup(pa,
193 (const struct pcmcia_product *)mhzc_products,
194 sizeof mhzc_products[0], NULL) != NULL)
195 return (10); /* beat `com' */
196
197 return (0);
198 }
199
200 void
201 mhzc_attach(parent, self, aux)
202 struct device *parent, *self;
203 void *aux;
204 {
205 struct mhzc_softc *sc = (void *)self;
206 struct pcmcia_attach_args *pa = aux;
207 struct pcmcia_config_entry *cfe;
208
209 sc->sc_pf = pa->pf;
210
211 sc->sc_product = (const struct mhzc_product *)pcmcia_product_lookup(pa,
212 (const struct pcmcia_product *)mhzc_products,
213 sizeof mhzc_products[0], NULL);
214 if (sc->sc_product == NULL) {
215 printf("\n");
216 panic("mhzc_attach: impossible");
217 }
218
219 printf(": %s\n", sc->sc_product->mp_product.pp_name);
220
221 /*
222 * The address decoders on these cards are wacky. The configuration
223 * entries are set up to look like serial ports, and have no
224 * information about the Ethernet portion. In order to talk to
225 * the Modem portion, the I/O address must have bit 0x80 set.
226 * In order to talk to the Ethernet portion, the I/O address must
227 * have the 0x80 bit clear.
228 *
229 * The standard configuration entries conveniently have 0x80 set
230 * in them, and have a length of 8 (a 16550's size, convenient!),
231 * so we use those to set up the Modem portion.
232 *
233 * Once we have the Modem's address established, we search for
234 * an address suitable for the Ethernet portion. We do this by
235 * rounding up to the next 16-byte aligned address where 0x80
236 * isn't set (the SMC Ethernet chip has a 16-byte address size)
237 * and attemping to allocate a 16-byte region until we succeed.
238 *
239 * Sure would have been nice if Megahertz had made the card a
240 * proper multi-function device.
241 */
242 for (cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head); cfe != NULL;
243 cfe = SIMPLEQ_NEXT(cfe, cfe_list)) {
244 if (mhzc_check_cfe(sc, cfe)) {
245 /* Found one! */
246 break;
247 }
248 }
249 if (cfe == NULL) {
250 printf("%s: unable to find suitable config table entry\n",
251 sc->sc_dev.dv_xname);
252 return;
253 }
254
255 if (mhzc_alloc_ethernet(sc, cfe) == 0) {
256 printf("%s: unable to allocate space for Ethernet portion\n",
257 sc->sc_dev.dv_xname);
258 goto alloc_ethernet_failed;
259 }
260
261 /* Enable the card. */
262 pcmcia_function_init(pa->pf, cfe);
263 if (pcmcia_function_enable(pa->pf)) {
264 printf(": function enable failed\n");
265 goto enable_failed;
266 }
267 sc->sc_flags |= MHZC_IOSPACE_ALLOCED;
268
269 if (sc->sc_product->mp_enable != NULL)
270 (*sc->sc_product->mp_enable)(sc);
271
272 sc->sc_modem = config_found(&sc->sc_dev, "com", mhzc_print);
273 sc->sc_ethernet = config_found(&sc->sc_dev, "sm", mhzc_print);
274
275 pcmcia_function_disable(pa->pf);
276 return;
277
278 enable_failed:
279 /* Free the Ethernet's I/O space. */
280 pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh);
281
282 alloc_ethernet_failed:
283 /* Free the Modem's I/O space. */
284 pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh);
285 }
286
287 int
288 mhzc_check_cfe(sc, cfe)
289 struct mhzc_softc *sc;
290 struct pcmcia_config_entry *cfe;
291 {
292
293 if (cfe->num_memspace != 0)
294 return (0);
295
296 if (cfe->num_iospace != 1)
297 return (0);
298
299 if (pcmcia_io_alloc(sc->sc_pf,
300 cfe->iospace[0].start,
301 cfe->iospace[0].length,
302 cfe->iospace[0].length,
303 &sc->sc_modem_pcioh) == 0) {
304 /* Found one for the modem! */
305 return (1);
306 }
307
308 return (0);
309 }
310
311 int
312 mhzc_alloc_ethernet(sc, cfe)
313 struct mhzc_softc *sc;
314 struct pcmcia_config_entry *cfe;
315 {
316 bus_addr_t addr, maxaddr;
317
318 addr = cfe->iospace[0].start + cfe->iospace[0].length;
319 maxaddr = 0x1000;
320
321 /*
322 * Now round it up so that it starts on a 16-byte boundary.
323 */
324 addr = roundup(addr, 0x10);
325
326 for (; (addr + 0x10) < maxaddr; addr += 0x10) {
327 if (addr & 0x80)
328 continue;
329 if (pcmcia_io_alloc(sc->sc_pf, addr, 0x10, 0x10,
330 &sc->sc_ethernet_pcioh) == 0) {
331 /* Found one for the ethernet! */
332 return (1);
333 }
334 }
335
336 return (0);
337 }
338
339 int
340 mhzc_print(aux, pnp)
341 void *aux;
342 const char *pnp;
343 {
344 const char *name = aux;
345
346 if (pnp)
347 printf("%s at %s(*)", name, pnp);
348
349 return (UNCONF);
350 }
351
352 int
353 mhzc_detach(self, flags)
354 struct device *self;
355 int flags;
356 {
357 struct mhzc_softc *sc = (void *)self;
358 int rv;
359
360 if (sc->sc_ethernet != NULL) {
361 rv = config_detach(sc->sc_ethernet, flags);
362 if (rv != 0)
363 return (rv);
364 sc->sc_ethernet = NULL;
365 }
366
367 if (sc->sc_modem != NULL) {
368 rv = config_detach(sc->sc_modem, flags);
369 if (rv != 0)
370 return (rv);
371 #ifdef not_necessary
372 sc->sc_modem = NULL;
373 #endif
374 }
375
376 /* Unmap our i/o windows. */
377 if (sc->sc_flags & MHZC_MODEM_MAPPED)
378 pcmcia_io_unmap(sc->sc_pf, sc->sc_modem_io_window);
379 if (sc->sc_flags & MHZC_ETHERNET_MAPPED)
380 pcmcia_io_unmap(sc->sc_pf, sc->sc_ethernet_io_window);
381
382 /* Free our i/o spaces. */
383 if (sc->sc_flags & MHZC_IOSPACE_ALLOCED) {
384 pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh);
385 pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh);
386 }
387
388 return (0);
389 }
390
391 int
392 mhzc_activate(self, act)
393 struct device *self;
394 enum devact act;
395 {
396 struct mhzc_softc *sc = (void *)self;
397 int s, rv = 0;
398
399 s = splhigh();
400 switch (act) {
401 case DVACT_ACTIVATE:
402 rv = EOPNOTSUPP;
403 break;
404
405 case DVACT_DEACTIVATE:
406 if (sc->sc_ethernet != NULL) {
407 rv = config_deactivate(sc->sc_ethernet);
408 if (rv != 0)
409 goto out;
410 }
411
412 if (sc->sc_modem != NULL) {
413 rv = config_deactivate(sc->sc_modem);
414 if (rv != 0)
415 goto out;
416 }
417 break;
418 }
419 out:
420 splx(s);
421 return (rv);
422 }
423
424 int
425 mhzc_intr(arg)
426 void *arg;
427 {
428 struct mhzc_softc *sc = arg;
429 int rval = 0;
430
431 #if NCOM_MHZC > 0
432 if (sc->sc_modem != NULL &&
433 (sc->sc_flags & MHZC_MODEM_ENABLED) != 0)
434 rval |= comintr(sc->sc_modem);
435 #endif
436
437 #if NSM_MHZC > 0
438 if (sc->sc_ethernet != NULL &&
439 (sc->sc_flags & MHZC_ETHERNET_ENABLED) != 0)
440 rval |= smc91cxx_intr(sc->sc_ethernet);
441 #endif
442
443 return (rval);
444 }
445
446 int
447 mhzc_enable(sc, flag)
448 struct mhzc_softc *sc;
449 int flag;
450 {
451
452 if (sc->sc_flags & flag) {
453 printf("%s: %s already enabled\n", sc->sc_dev.dv_xname,
454 (flag & MHZC_MODEM_ENABLED) ? "modem" : "ethernet");
455 panic("mhzc_enable");
456 }
457
458 if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0) {
459 sc->sc_flags |= flag;
460 return (0);
461 }
462
463 /*
464 * Establish our interrupt handler.
465 *
466 * XXX Note, we establish this at IPL_NET. This is suboptimal
467 * XXX the Modem portion, but is necessary to make the Ethernet
468 * XXX portion have the correct interrupt level semantics.
469 *
470 * XXX Eventually we should use the `enabled' bits in the
471 * XXX flags word to determine which level we should be at.
472 */
473 sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET,
474 mhzc_intr, sc);
475 if (sc->sc_ih == NULL) {
476 printf("%s: unable to establish interrupt\n",
477 sc->sc_dev.dv_xname);
478 return (1);
479 }
480
481 if (pcmcia_function_enable(sc->sc_pf)) {
482 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
483 return (1);
484 }
485
486 /*
487 * Perform any special enable magic necessary.
488 */
489 if (sc->sc_product->mp_enable != NULL &&
490 (*sc->sc_product->mp_enable)(sc) != 0) {
491 pcmcia_function_disable(sc->sc_pf);
492 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
493 return (1);
494 }
495
496 sc->sc_flags |= flag;
497 return (0);
498 }
499
500 void
501 mhzc_disable(sc, flag)
502 struct mhzc_softc *sc;
503 int flag;
504 {
505
506 if ((sc->sc_flags & flag) == 0) {
507 printf("%s: %s already disabled\n", sc->sc_dev.dv_xname,
508 (flag & MHZC_MODEM_ENABLED) ? "modem" : "ethernet");
509 panic("mhzc_disable");
510 }
511
512 sc->sc_flags &= ~flag;
513 if ((sc->sc_flags & (MHZC_MODEM_ENABLED|MHZC_ETHERNET_ENABLED)) != 0)
514 return;
515
516 pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
517 pcmcia_function_disable(sc->sc_pf);
518 }
519
520 /*****************************************************************************
521 * Megahertz EM3336 (and compatibles) support
522 *****************************************************************************/
523
524 int mhzc_em3336_lannid_ciscallback __P((struct pcmcia_tuple *, void *));
525 int mhzc_em3336_ascii_enaddr __P((const char *cisstr, u_int8_t *));
526
527 int
528 mhzc_em3336_enaddr(sc, myla)
529 struct mhzc_softc *sc;
530 u_int8_t *myla;
531 {
532
533 /* Get the station address from CIS tuple 0x81. */
534 if (pcmcia_scan_cis(sc->sc_dev.dv_parent,
535 mhzc_em3336_lannid_ciscallback, myla) != 1) {
536 printf("%s: unable to get Ethernet address from CIS\n",
537 sc->sc_dev.dv_xname);
538 return (0);
539 }
540
541 return (1);
542 }
543
544 int
545 mhzc_em3336_enable(sc)
546 struct mhzc_softc *sc;
547 {
548 struct pcmcia_mem_handle memh;
549 bus_addr_t memoff;
550 int memwin, reg;
551
552 /*
553 * Bring the chip to live by touching its registers in the correct
554 * way (as per my reference... the Linux smc91c92_cs.c driver by
555 * David A. Hinds).
556 */
557
558 /* Map the ISRPOWEREG. */
559 if (pcmcia_mem_alloc(sc->sc_pf, 0x1000, &memh) != 0) {
560 printf("%s: unable to allocate memory space\n",
561 sc->sc_dev.dv_xname);
562 return (1);
563 }
564
565 if (pcmcia_mem_map(sc->sc_pf, PCMCIA_MEM_ATTR, 0, 0x1000,
566 &memh, &memoff, &memwin)) {
567 printf("%s: unable to map memory space\n",
568 sc->sc_dev.dv_xname);
569 pcmcia_mem_free(sc->sc_pf, &memh);
570 return (1);
571 }
572
573 /*
574 * The magic sequence:
575 *
576 * - read/write the CCR option register.
577 * - read the ISRPOWEREG 2 times.
578 * - read/write the CCR option register again.
579 */
580
581 reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION);
582 pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg);
583
584 reg = bus_space_read_1(memh.memt, memh.memh, 0x380);
585 delay(5);
586 reg = bus_space_read_1(memh.memt, memh.memh, 0x380);
587
588 delay(200000);
589
590 reg = pcmcia_ccr_read(sc->sc_pf, PCMCIA_CCR_OPTION);
591 delay(5);
592 pcmcia_ccr_write(sc->sc_pf, PCMCIA_CCR_OPTION, reg);
593
594 pcmcia_mem_unmap(sc->sc_pf, memwin);
595 pcmcia_mem_free(sc->sc_pf, &memh);
596
597 return (0);
598 }
599
600 int
601 mhzc_em3336_lannid_ciscallback(tuple, arg)
602 struct pcmcia_tuple *tuple;
603 void *arg;
604 {
605 u_int8_t *myla = arg, addr_str[ETHER_ADDR_LEN * 2];
606 int i;
607
608 if (tuple->code == 0x81) {
609 /*
610 * We have a string-encoded address. Length includes
611 * terminating 0xff.
612 */
613 if (tuple->length != (ETHER_ADDR_LEN * 2) + 1)
614 return (0);
615
616 for (i = 0; i < tuple->length - 1; i++)
617 addr_str[i] = pcmcia_tuple_read_1(tuple, i);
618
619 /*
620 * Decode the string into `myla'.
621 */
622 return (mhzc_em3336_ascii_enaddr(addr_str, myla));
623 }
624 return (0);
625 }
626
627 /* XXX This should be shared w/ if_sm_pcmcia.c */
628 int
629 mhzc_em3336_ascii_enaddr(cisstr, myla)
630 const char *cisstr;
631 u_int8_t *myla;
632 {
633 u_int8_t digit;
634 int i;
635
636 memset(myla, 0, ETHER_ADDR_LEN);
637
638 for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) {
639 if (cisstr[i] >= '0' && cisstr[i] <= '9')
640 digit |= cisstr[i] - '0';
641 else if (cisstr[i] >= 'a' && cisstr[i] <= 'f')
642 digit |= (cisstr[i] - 'a') + 10;
643 else if (cisstr[i] >= 'A' && cisstr[i] <= 'F')
644 digit |= (cisstr[i] - 'A') + 10;
645 else {
646 /* Bogus digit!! */
647 return (0);
648 }
649
650 /* Compensate for ordering of digits. */
651 if (i & 1) {
652 myla[i >> 1] = digit;
653 digit = 0;
654 } else
655 digit <<= 4;
656 }
657
658 return (1);
659 }
660
661 /****** Here begins the com attachment code. ******/
662
663 #if NCOM_MHZC > 0
664 int com_mhzc_match __P((struct device *, struct cfdata *, void *));
665 void com_mhzc_attach __P((struct device *, struct device *, void *));
666 int com_mhzc_detach __P((struct device *, int));
667
668 /* No mhzc-specific goo in the softc; it's all in the parent. */
669 struct cfattach com_mhzc_ca = {
670 sizeof(struct com_softc), com_mhzc_match, com_mhzc_attach,
671 com_detach, com_activate
672 };
673
674 int com_mhzc_enable __P((struct com_softc *));
675 void com_mhzc_disable __P((struct com_softc *));
676
677 int
678 com_mhzc_match(parent, match, aux)
679 struct device *parent;
680 struct cfdata *match;
681 void *aux;
682 {
683 extern struct cfdriver com_cd;
684 const char *name = aux;
685
686 /* Device is always present. */
687 if (strcmp(name, com_cd.cd_name) == 0)
688 return (1);
689
690 return (0);
691 }
692
693 void
694 com_mhzc_attach(parent, self, aux)
695 struct device *parent, *self;
696 void *aux;
697 {
698 struct com_softc *sc = (void *)self;
699 struct mhzc_softc *msc = (void *)parent;
700
701 printf(":");
702 if (pcmcia_io_map(msc->sc_pf, PCMCIA_WIDTH_IO8, 0,
703 msc->sc_modem_pcioh.size, &msc->sc_modem_pcioh,
704 &msc->sc_modem_io_window)) {
705 printf("unable to map I/O space\n");
706 return;
707 }
708 printf(" io 0x%x-0x%x",
709 (int)msc->sc_modem_pcioh.addr,
710 (int)(msc->sc_modem_pcioh.addr + msc->sc_modem_pcioh.size - 1));
711
712 msc->sc_flags |= MHZC_MODEM_MAPPED;
713
714 sc->sc_iot = msc->sc_modem_pcioh.iot;
715 sc->sc_ioh = msc->sc_modem_pcioh.ioh;
716
717 sc->enabled = 1;
718
719 sc->sc_iobase = -1;
720 sc->sc_frequency = COM_FREQ;
721
722 sc->enable = com_mhzc_enable;
723 sc->disable = com_mhzc_disable;
724
725 com_attach_subr(sc);
726
727 sc->enabled = 0;
728 }
729
730 int
731 com_mhzc_enable(sc)
732 struct com_softc *sc;
733 {
734
735 return (mhzc_enable((struct mhzc_softc *)sc->sc_dev.dv_parent,
736 MHZC_MODEM_ENABLED));
737 }
738
739 void
740 com_mhzc_disable(sc)
741 struct com_softc *sc;
742 {
743
744 mhzc_disable((struct mhzc_softc *)sc->sc_dev.dv_parent,
745 MHZC_MODEM_ENABLED);
746 }
747
748 #endif /* NCOM_MHZC > 0 */
749
750 /****** Here begins the sm attachment code. ******/
751
752 #if NSM_MHZC > 0
753 int sm_mhzc_match __P((struct device *, struct cfdata *, void *));
754 void sm_mhzc_attach __P((struct device *, struct device *, void *));
755
756 /* No mhzc-specific goo in the softc; it's all in the parent. */
757 struct cfattach sm_mhzc_ca = {
758 sizeof(struct smc91cxx_softc), sm_mhzc_match, sm_mhzc_attach,
759 smc91cxx_detach, smc91cxx_activate
760 };
761
762 int sm_mhzc_enable __P((struct smc91cxx_softc *));
763 void sm_mhzc_disable __P((struct smc91cxx_softc *));
764
765 int
766 sm_mhzc_match(parent, match, aux)
767 struct device *parent;
768 struct cfdata *match;
769 void *aux;
770 {
771 extern struct cfdriver sm_cd;
772 const char *name = aux;
773
774 /* Device is always present. */
775 if (strcmp(name, sm_cd.cd_name) == 0)
776 return (1);
777
778 return (0);
779 }
780
781 void
782 sm_mhzc_attach(parent, self, aux)
783 struct device *parent, *self;
784 void *aux;
785 {
786 struct smc91cxx_softc *sc = (void *)self;
787 struct mhzc_softc *msc = (void *)parent;
788 u_int8_t myla[ETHER_ADDR_LEN];
789
790 printf(":");
791 if (pcmcia_io_map(msc->sc_pf, PCMCIA_WIDTH_IO16, 0,
792 msc->sc_ethernet_pcioh.size, &msc->sc_ethernet_pcioh,
793 &msc->sc_ethernet_io_window)) {
794 printf("unable to map I/O space\n");
795 return;
796 }
797 printf(" io 0x%x-0x%x\n",
798 (int)msc->sc_ethernet_pcioh.addr,
799 (int)(msc->sc_ethernet_pcioh.addr + msc->sc_modem_pcioh.size - 1));
800
801 msc->sc_flags |= MHZC_ETHERNET_MAPPED;
802
803 sc->sc_bst = msc->sc_ethernet_pcioh.iot;
804 sc->sc_bsh = msc->sc_ethernet_pcioh.ioh;
805
806 sc->sc_enable = sm_mhzc_enable;
807 sc->sc_disable = sm_mhzc_disable;
808
809 if ((*msc->sc_product->mp_enaddr)(msc, myla) != 1)
810 return;
811
812 /* Perform generic initialization. */
813 smc91cxx_attach(sc, myla);
814 }
815
816 int
817 sm_mhzc_enable(sc)
818 struct smc91cxx_softc *sc;
819 {
820
821 return (mhzc_enable((struct mhzc_softc *)sc->sc_dev.dv_parent,
822 MHZC_ETHERNET_ENABLED));
823 }
824
825 void
826 sm_mhzc_disable(sc)
827 struct smc91cxx_softc *sc;
828 {
829
830 mhzc_disable((struct mhzc_softc *)sc->sc_dev.dv_parent,
831 MHZC_ETHERNET_ENABLED);
832 }
833
834 #endif /* NSM_MHZC > 0 */
835