xref: /netbsd-src/sys/dev/pcmcia/xirc.c (revision fd5cb0acea84d278e04e640d37ca2398f894991f)
1 /*	$NetBSD: xirc.c,v 1.12 2005/02/04 02:10:45 perry Exp $	*/
2 
3 /*-
4  * Copyright (c) 1999, 2000, 2004 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 and by Charles M. Hannum.
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 <sys/cdefs.h>
41 __KERNEL_RCSID(0, "$NetBSD: xirc.c,v 1.12 2005/02/04 02:10:45 perry Exp $");
42 
43 #include "opt_inet.h"
44 #include "opt_ns.h"
45 #include "bpfilter.h"
46 
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/mbuf.h>
50 #include <sys/socket.h>
51 #include <sys/ioctl.h>
52 #include <sys/errno.h>
53 #include <sys/syslog.h>
54 #include <sys/select.h>
55 #include <sys/tty.h>
56 #include <sys/device.h>
57 
58 #include <net/if.h>
59 #include <net/if_dl.h>
60 #include <net/if_ether.h>
61 #include <net/if_media.h>
62 
63 #ifdef INET
64 #include <netinet/in.h>
65 #include <netinet/in_systm.h>
66 #include <netinet/in_var.h>
67 #include <netinet/ip.h>
68 #include <netinet/if_inarp.h>
69 #endif
70 
71 #ifdef NS
72 #include <netns/ns.h>
73 #include <netns/ns_if.h>
74 #endif
75 
76 #if NBPFILTER > 0
77 #include <net/bpf.h>
78 #include <net/bpfdesc.h>
79 #endif
80 
81 #include <machine/intr.h>
82 #include <machine/bus.h>
83 
84 #include <dev/pcmcia/pcmciareg.h>
85 #include <dev/pcmcia/pcmciavar.h>
86 #include <dev/pcmcia/pcmciadevs.h>
87 
88 #include "xirc.h"
89 
90 #if NCOM_XIRC > 0
91 #include <dev/ic/comreg.h>
92 #include <dev/ic/comvar.h>
93 #endif
94 
95 #if NXI_XIRC > 0
96 #include <dev/mii/mii.h>
97 #include <dev/mii/miivar.h>
98 
99 #include <dev/pcmcia/if_xivar.h>
100 #endif
101 #include <dev/pcmcia/if_xireg.h>
102 
103 struct xirc_softc {
104 	struct device sc_dev;		/* generic device glue */
105 
106 	struct pcmcia_function *sc_pf;	/* our PCMCIA function */
107 	void *sc_ih;			/* interrupt handle */
108 
109 	u_int16_t sc_id;
110 	u_int8_t sc_mako_intmask;
111 	int sc_chipset;
112 
113 	/*
114 	 * Data for the Modem portion.
115 	 */
116 	struct device *sc_modem;
117 	struct pcmcia_io_handle sc_modem_pcioh;
118 	int sc_modem_io_window;
119 
120 	/*
121 	 * Data for the Ethernet portion.
122 	 */
123 	struct device *sc_ethernet;
124 	struct pcmcia_io_handle sc_ethernet_pcioh;
125 	int sc_ethernet_io_window;
126 
127 	int sc_flags;
128 #define	XIRC_MODEM_MAPPED	0x01
129 #define	XIRC_ETHERNET_MAPPED	0x02
130 #define	XIRC_MODEM_ENABLED	0x04
131 #define	XIRC_ETHERNET_ENABLED	0x08
132 #define	XIRC_MODEM_ALLOCED	0x10
133 #define	XIRC_ETHERNET_ALLOCED	0x20
134 };
135 
136 int	xirc_match(struct device *, struct cfdata *, void *);
137 void	xirc_attach(struct device *, struct device *, void *);
138 int	xirc_detach(struct device *, int);
139 int	xirc_activate(struct device *, enum devact);
140 
141 CFATTACH_DECL(xirc, sizeof(struct xirc_softc),
142     xirc_match, xirc_attach, xirc_detach, xirc_activate);
143 
144 int	xirc_print(void *, const char *);
145 
146 int	xirc_manfid_ciscallback(struct pcmcia_tuple *, void *);
147 struct pcmcia_config_entry *
148 	xirc_mako_alloc(struct xirc_softc *);
149 struct pcmcia_config_entry *
150 	xirc_dingo_alloc_modem(struct xirc_softc *);
151 struct pcmcia_config_entry *
152 	xirc_dingo_alloc_ethernet(struct xirc_softc *);
153 
154 int	xirc_enable(struct xirc_softc *, int, int);
155 void	xirc_disable(struct xirc_softc *, int, int);
156 
157 int	xirc_intr(void *);
158 
159 int
160 xirc_match(parent, match, aux)
161 	struct device *parent;
162 	struct cfdata *match;
163 	void *aux;
164 {
165 	struct pcmcia_attach_args *pa = aux;
166 
167 	/* XXX Toshiba, Accton */
168 
169 	if (pa->manufacturer == PCMCIA_VENDOR_COMPAQ2 &&
170 	    pa->product == PCMCIA_PRODUCT_COMPAQ2_CPQ_10_100)
171 		return (1);
172 
173 	if (pa->manufacturer == PCMCIA_VENDOR_INTEL &&
174 	    pa->product == PCMCIA_PRODUCT_INTEL_EEPRO100)
175 		return (1);
176 
177 	if (pa->manufacturer == PCMCIA_VENDOR_XIRCOM &&
178 	    (pa->product & (XIMEDIA_ETHER << 8)) != 0)
179 		return (2);
180 
181 	return (0);
182 }
183 
184 void
185 xirc_attach(parent, self, aux)
186 	struct device *parent, *self;
187 	void *aux;
188 {
189 	struct xirc_softc *sc = (void *)self;
190 	struct pcmcia_attach_args *pa = aux;
191 	struct pcmcia_config_entry *cfe;
192 	int rv;
193 	int error;
194 
195 	sc->sc_pf = pa->pf;
196 
197 	pcmcia_socket_enable(parent);
198 	rv = pcmcia_scan_cis(parent, xirc_manfid_ciscallback, &sc->sc_id);
199 	pcmcia_socket_disable(parent);
200 	if (!rv) {
201 		aprint_error("%s: failed to find ID\n", self->dv_xname);
202 		return;
203 	}
204 
205 	switch (sc->sc_id & 0x100f) {
206 	case 0x0001:	/* CE */
207 	case 0x0002:	/* CE2 */
208 		sc->sc_chipset = XI_CHIPSET_SCIPPER;
209 		break;
210 	case 0x0003:	/* CE3 */
211 		sc->sc_chipset = XI_CHIPSET_MOHAWK;
212 		break;
213 	case 0x1001:
214 	case 0x1002:
215 	case 0x1003:
216 	case 0x1004:
217 		sc->sc_chipset = XI_CHIPSET_SCIPPER;
218 		break;
219 	case 0x1005:
220 		sc->sc_chipset = XI_CHIPSET_MOHAWK;
221 		break;
222 	case 0x1006:
223 	case 0x1007:
224 		sc->sc_chipset = XI_CHIPSET_DINGO;
225 		break;
226 	default:
227 		aprint_error("%s: unknown ID %04x\n", self->dv_xname,
228 		    sc->sc_id);
229 		return;
230 	}
231 
232 	aprint_normal("%s: id=%04x\n", self->dv_xname, sc->sc_id);
233 
234 	if (sc->sc_id & (XIMEDIA_MODEM << 8)) {
235 		if (sc->sc_chipset >= XI_CHIPSET_DINGO) {
236 			cfe = xirc_dingo_alloc_modem(sc);
237 			if (cfe && sc->sc_id & (XIMEDIA_ETHER << 8)) {
238 				if (!xirc_dingo_alloc_ethernet(sc)) {
239 					pcmcia_io_free(pa->pf,
240 					    &sc->sc_modem_pcioh);
241 					cfe = 0;
242 				}
243 			}
244 		} else
245 			cfe = xirc_mako_alloc(sc);
246 	} else
247 		cfe = xirc_dingo_alloc_ethernet(sc);
248 	if (!cfe) {
249 		aprint_error("%s: failed to allocate I/O space\n",
250 		    self->dv_xname);
251 		goto fail;
252 	}
253 
254 	/* Enable the card. */
255 	pcmcia_function_init(pa->pf, cfe);
256 
257 	if (sc->sc_id & (XIMEDIA_MODEM << 8)) {
258 		if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_IO8,
259 		    &sc->sc_modem_pcioh, &sc->sc_modem_io_window)) {
260 			aprint_error("%s: unable to map I/O space\n",
261 			    self->dv_xname);
262 			goto fail;
263 		}
264 		sc->sc_flags |= XIRC_MODEM_MAPPED;
265 	}
266 
267 	if (sc->sc_id & (XIMEDIA_ETHER << 8)) {
268 		if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_AUTO,
269 		    &sc->sc_ethernet_pcioh, &sc->sc_ethernet_io_window)) {
270 			aprint_error("%s: unable to map I/O space\n",
271 			    self->dv_xname);
272 			goto fail;
273 		}
274 		sc->sc_flags |= XIRC_ETHERNET_MAPPED;
275 	}
276 
277 	error = xirc_enable(sc, XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED,
278 	    sc->sc_id & (XIMEDIA_MODEM|XIMEDIA_ETHER));
279 	if (error)
280 		goto fail;
281 
282 	sc->sc_mako_intmask = 0xee;
283 
284 	if (sc->sc_id & (XIMEDIA_MODEM << 8))
285 		sc->sc_modem = config_found(self, "com", xirc_print);
286 	if (sc->sc_id & (XIMEDIA_ETHER << 8))
287 		sc->sc_ethernet = config_found(self, "xi", xirc_print);
288 
289 	xirc_disable(sc, XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED,
290 	    sc->sc_id & (XIMEDIA_MODEM|XIMEDIA_ETHER));
291 	return;
292 
293 fail:
294 	/* I/O spaces will be freed by detach. */
295 	;
296 }
297 
298 int
299 xirc_manfid_ciscallback(tuple, arg)
300 	struct pcmcia_tuple *tuple;
301 	void *arg;
302 {
303 	u_int16_t *id = arg;
304 
305 	if (tuple->code != PCMCIA_CISTPL_MANFID)
306 		return (0);
307 
308 	if (tuple->length < 5)
309 		return (0);
310 
311 	*id = (pcmcia_tuple_read_1(tuple, 3) << 8) |
312 	      pcmcia_tuple_read_1(tuple, 4);
313 	return (1);
314 }
315 
316 struct pcmcia_config_entry *
317 xirc_mako_alloc(sc)
318 	struct xirc_softc *sc;
319 {
320 	struct pcmcia_config_entry *cfe;
321 
322 	SIMPLEQ_FOREACH(cfe, &sc->sc_pf->cfe_head, cfe_list) {
323 		if (cfe->num_iospace != 1)
324 			continue;
325 
326 		if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[0].start,
327 		    cfe->iospace[0].length, cfe->iospace[0].length,
328 		    &sc->sc_modem_pcioh))
329 			continue;
330 
331 		cfe->iospace[1].start = cfe->iospace[0].start+8;
332 		cfe->iospace[1].length = 18;
333 		if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[1].start,
334 		    cfe->iospace[1].length, 0x20,
335 		    &sc->sc_ethernet_pcioh)) {
336 			cfe->iospace[1].start = cfe->iospace[0].start-24;
337 			if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[1].start,
338 			    cfe->iospace[1].length, 0x20,
339 			    &sc->sc_ethernet_pcioh))
340 				continue;
341 		}
342 
343 		/* Found one! */
344 		sc->sc_flags |= XIRC_MODEM_ALLOCED;
345 		sc->sc_flags |= XIRC_ETHERNET_ALLOCED;
346 		return (cfe);
347 	}
348 
349 	return (0);
350 }
351 
352 struct pcmcia_config_entry *
353 xirc_dingo_alloc_modem(sc)
354 	struct xirc_softc *sc;
355 {
356 	struct pcmcia_config_entry *cfe;
357 
358 	SIMPLEQ_FOREACH(cfe, &sc->sc_pf->cfe_head, cfe_list) {
359 		if (cfe->num_iospace != 1)
360 			continue;
361 
362 		if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[0].start,
363 		    cfe->iospace[0].length, cfe->iospace[0].length,
364 		    &sc->sc_modem_pcioh))
365 			continue;
366 
367 		/* Found one! */
368 		sc->sc_flags |= XIRC_MODEM_ALLOCED;
369 		return (cfe);
370 	}
371 
372 	return (0);
373 }
374 
375 struct pcmcia_config_entry *
376 xirc_dingo_alloc_ethernet(sc)
377 	struct xirc_softc *sc;
378 {
379 	struct pcmcia_config_entry *cfe;
380 	bus_addr_t port;
381 
382 	for (port = 0x300; port < 0x400; port += XI_IOSIZE) {
383 		if (pcmcia_io_alloc(sc->sc_pf, port,
384 		    XI_IOSIZE, XI_IOSIZE, &sc->sc_ethernet_pcioh))
385 			continue;
386 
387 		/* Found one for the ethernet! */
388 		sc->sc_flags |= XIRC_ETHERNET_ALLOCED;
389 		cfe = SIMPLEQ_FIRST(&sc->sc_pf->cfe_head);
390 		return (cfe);
391 	}
392 
393 	return (0);
394 }
395 
396 int
397 xirc_print(aux, pnp)
398 	void *aux;
399 	const char *pnp;
400 {
401 	const char *name = aux;
402 
403 	if (pnp)
404 		aprint_normal("%s at %s(*)",  name, pnp);
405 
406 	return (UNCONF);
407 }
408 
409 int
410 xirc_detach(self, flags)
411 	struct device *self;
412 	int flags;
413 {
414 	struct xirc_softc *sc = (void *)self;
415 	int rv;
416 
417 	if (sc->sc_ethernet != NULL) {
418 		rv = config_detach(sc->sc_ethernet, flags);
419 		if (rv != 0)
420 			return (rv);
421 		sc->sc_ethernet = NULL;
422 	}
423 
424 	if (sc->sc_modem != NULL) {
425 		rv = config_detach(sc->sc_modem, flags);
426 		if (rv != 0)
427 			return (rv);
428 		sc->sc_modem = NULL;
429 	}
430 
431 	/* Unmap our i/o windows. */
432 	if (sc->sc_flags & XIRC_ETHERNET_MAPPED)
433 		pcmcia_io_unmap(sc->sc_pf, sc->sc_ethernet_io_window);
434 	if (sc->sc_flags & XIRC_MODEM_MAPPED)
435 		pcmcia_io_unmap(sc->sc_pf, sc->sc_modem_io_window);
436 
437 	/* Free our i/o spaces. */
438 	if (sc->sc_flags & XIRC_ETHERNET_ALLOCED)
439 		pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh);
440 	if (sc->sc_flags & XIRC_MODEM_ALLOCED)
441 		pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh);
442 	sc->sc_flags = 0;
443 
444 	return (0);
445 }
446 
447 int
448 xirc_activate(self, act)
449 	struct device *self;
450 	enum devact act;
451 {
452 	struct xirc_softc *sc = (void *)self;
453 	int s, rv = 0;
454 
455 	s = splhigh();
456 	switch (act) {
457 	case DVACT_ACTIVATE:
458 		rv = EOPNOTSUPP;
459 		break;
460 
461 	case DVACT_DEACTIVATE:
462 		if (sc->sc_ethernet != NULL) {
463 			rv = config_deactivate(sc->sc_ethernet);
464 			if (rv != 0)
465 				goto out;
466 		}
467 
468 		if (sc->sc_modem != NULL) {
469 			rv = config_deactivate(sc->sc_modem);
470 			if (rv != 0)
471 				goto out;
472 		}
473 		break;
474 	}
475  out:
476 	splx(s);
477 	return (rv);
478 }
479 
480 int
481 xirc_intr(arg)
482 	void *arg;
483 {
484 	struct xirc_softc *sc = arg;
485 	int rval = 0;
486 
487 #if NCOM_XIRC > 0
488 	if (sc->sc_modem != NULL &&
489 	    (sc->sc_flags & XIRC_MODEM_ENABLED) != 0)
490 		rval |= comintr(sc->sc_modem);
491 #endif
492 
493 #if NXI_XIRC > 0
494 	if (sc->sc_ethernet != NULL &&
495 	    (sc->sc_flags & XIRC_ETHERNET_ENABLED) != 0)
496 		rval |= xi_intr(sc->sc_ethernet);
497 #endif
498 
499 	return (rval);
500 }
501 
502 int
503 xirc_enable(sc, flag, media)
504 	struct xirc_softc *sc;
505 	int flag, media;
506 {
507 	int error;
508 
509 	if ((sc->sc_flags & flag) == flag) {
510 		printf("%s: already enabled\n", sc->sc_dev.dv_xname);
511 		return (0);
512 	}
513 
514 	if ((sc->sc_flags & (XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED)) != 0) {
515 		sc->sc_flags |= flag;
516 		return (0);
517 	}
518 
519 	/*
520 	 * Establish our interrupt handler.
521 	 *
522 	 * XXX Note, we establish this at IPL_NET.  This is suboptimal
523 	 * XXX the Modem portion, but is necessary to make the Ethernet
524 	 * XXX portion have the correct interrupt level semantics.
525 	 *
526 	 * XXX Eventually we should use the `enabled' bits in the
527 	 * XXX flags word to determine which level we should be at.
528 	 */
529 	sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET, xirc_intr, sc);
530 	if (!sc->sc_ih)
531 		return (EIO);
532 
533 	error = pcmcia_function_enable(sc->sc_pf);
534 	if (error) {
535 		pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
536 		sc->sc_ih = 0;
537 		return (error);
538 	}
539 
540 	sc->sc_flags |= flag;
541 
542 	if (sc->sc_chipset < XI_CHIPSET_DINGO &&
543 	    sc->sc_id & (XIMEDIA_MODEM << 8)) {
544 		sc->sc_mako_intmask |= media;
545 		bus_space_write_1(sc->sc_ethernet_pcioh.iot,
546 		    sc->sc_ethernet_pcioh.ioh, 0x10, sc->sc_mako_intmask);
547 	}
548 
549 	return (0);
550 }
551 
552 void
553 xirc_disable(sc, flag, media)
554 	struct xirc_softc *sc;
555 	int flag, media;
556 {
557 
558 	if ((sc->sc_flags & flag) == 0) {
559 		printf("%s: already disabled\n", sc->sc_dev.dv_xname);
560 		return;
561 	}
562 
563 	if (sc->sc_chipset < XI_CHIPSET_DINGO &&
564 	    sc->sc_id & (XIMEDIA_MODEM << 8)) {
565 		sc->sc_mako_intmask &= ~media;
566 		bus_space_write_1(sc->sc_ethernet_pcioh.iot,
567 		    sc->sc_ethernet_pcioh.ioh, 0x10, sc->sc_mako_intmask);
568 	}
569 
570 	sc->sc_flags &= ~flag;
571 	if ((sc->sc_flags & (XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED)) != 0)
572 		return;
573 
574 	pcmcia_function_disable(sc->sc_pf);
575 	pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
576 	sc->sc_ih = 0;
577 }
578 
579 /****** Here begins the com attachment code. ******/
580 
581 #if NCOM_XIRC > 0
582 int	com_xirc_match(struct device *, struct cfdata *, void *);
583 void	com_xirc_attach(struct device *, struct device *, void *);
584 int	com_xirc_detach(struct device *, int);
585 
586 /* No xirc-specific goo in the softc; it's all in the parent. */
587 CFATTACH_DECL(com_xirc, sizeof(struct com_softc),
588     com_xirc_match, com_xirc_attach, com_detach, com_activate);
589 
590 int	com_xirc_enable(struct com_softc *);
591 void	com_xirc_disable(struct com_softc *);
592 
593 int
594 com_xirc_match(parent, match, aux)
595 	struct device *parent;
596 	struct cfdata *match;
597 	void *aux;
598 {
599 	extern struct cfdriver com_cd;
600 	const char *name = aux;
601 
602 	if (strcmp(name, com_cd.cd_name) == 0)
603 		return (1);
604 
605 	return (0);
606 }
607 
608 void
609 com_xirc_attach(parent, self, aux)
610 	struct device *parent, *self;
611 	void *aux;
612 {
613 	struct com_softc *sc = (void *)self;
614 	struct xirc_softc *msc = (void *)parent;
615 
616 	aprint_normal("\n");
617 
618 	sc->sc_iot = msc->sc_modem_pcioh.iot;
619 	sc->sc_ioh = msc->sc_modem_pcioh.ioh;
620 
621 	sc->enabled = 1;
622 
623 	sc->sc_iobase = -1;
624 	sc->sc_frequency = COM_FREQ;
625 
626 	sc->enable = com_xirc_enable;
627 	sc->disable = com_xirc_disable;
628 
629 	aprint_normal("%s", self->dv_xname);
630 
631 	com_attach_subr(sc);
632 
633 	sc->enabled = 0;
634 }
635 
636 int
637 com_xirc_enable(sc)
638 	struct com_softc *sc;
639 {
640 	struct xirc_softc *msc = (struct xirc_softc *)sc->sc_dev.dv_parent;
641 
642 	return (xirc_enable(msc, XIRC_MODEM_ENABLED, XIMEDIA_MODEM));
643 }
644 
645 void
646 com_xirc_disable(sc)
647 	struct com_softc *sc;
648 {
649 	struct xirc_softc *msc = (struct xirc_softc *)sc->sc_dev.dv_parent;
650 
651 	xirc_disable(msc, XIRC_MODEM_ENABLED, XIMEDIA_MODEM);
652 }
653 
654 #endif /* NCOM_XIRC > 0 */
655 
656 /****** Here begins the xi attachment code. ******/
657 
658 #if NXI_XIRC > 0
659 int	xi_xirc_match(struct device *, struct cfdata *, void *);
660 void	xi_xirc_attach(struct device *, struct device *, void *);
661 
662 /* No xirc-specific goo in the softc; it's all in the parent. */
663 CFATTACH_DECL(xi_xirc, sizeof(struct xi_softc),
664     xi_xirc_match, xi_xirc_attach, xi_detach, xi_activate);
665 
666 int	xi_xirc_enable(struct xi_softc *);
667 void	xi_xirc_disable(struct xi_softc *);
668 int	xi_xirc_lan_nid_ciscallback(struct pcmcia_tuple *, void *);
669 
670 int
671 xi_xirc_match(parent, match, aux)
672 	struct device *parent;
673 	struct cfdata *match;
674 	void *aux;
675 {
676 	extern struct cfdriver xi_cd;
677 	const char *name = aux;
678 
679 	if (strcmp(name, xi_cd.cd_name) == 0)
680 		return (1);
681 
682 	return (0);
683 }
684 
685 void
686 xi_xirc_attach(parent, self, aux)
687 	struct device *parent, *self;
688 	void *aux;
689 {
690 	struct xi_softc *sc = (void *)self;
691 	struct xirc_softc *msc = (void *)parent;
692 	u_int8_t myla[ETHER_ADDR_LEN];
693 
694 	aprint_normal("\n");
695 
696 	sc->sc_bst = msc->sc_ethernet_pcioh.iot;
697 	sc->sc_bsh = msc->sc_ethernet_pcioh.ioh;
698 
699 	sc->sc_chipset = msc->sc_chipset;
700 
701 	sc->sc_enable = xi_xirc_enable;
702 	sc->sc_disable = xi_xirc_disable;
703 
704 	if (!pcmcia_scan_cis(msc->sc_dev.dv_parent, xi_xirc_lan_nid_ciscallback,
705 	    myla)) {
706 		aprint_error("%s: can't find MAC address\n", self->dv_xname);
707 		return;
708 	}
709 
710 	/* Perform generic initialization. */
711 	xi_attach(sc, myla);
712 }
713 
714 int
715 xi_xirc_enable(sc)
716 	struct xi_softc *sc;
717 {
718 	struct xirc_softc *msc = (struct xirc_softc *)sc->sc_dev.dv_parent;
719 
720 	return (xirc_enable(msc, XIRC_ETHERNET_ENABLED, XIMEDIA_ETHER));
721 }
722 
723 void
724 xi_xirc_disable(sc)
725 	struct xi_softc *sc;
726 {
727 	struct xirc_softc *msc = (struct xirc_softc *)sc->sc_dev.dv_parent;
728 
729 	xirc_disable(msc, XIRC_ETHERNET_ENABLED, XIMEDIA_ETHER);
730 }
731 
732 int
733 xi_xirc_lan_nid_ciscallback(tuple, arg)
734 	struct pcmcia_tuple *tuple;
735 	void *arg;
736 {
737 	u_int8_t *myla = arg;
738 	int i;
739 
740 	if (tuple->length < 2)
741 		return (0);
742 
743 	switch (tuple->code) {
744 	case PCMCIA_CISTPL_FUNCE:
745 		switch (pcmcia_tuple_read_1(tuple, 0)) {
746 		case PCMCIA_TPLFE_TYPE_LAN_NID:
747 			if (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)
748 				return (0);
749 			for (i = 0; i < ETHER_ADDR_LEN; i++)
750 				myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
751 			return (1);
752 
753 		case 0x02:
754 			/*
755 			 * Not sure about this, I don't have a CE2
756 			 * that puts the ethernet addr here.
757 			 */
758 		 	if (pcmcia_tuple_read_1(tuple, 1) != 0x01 ||
759 			    pcmcia_tuple_read_1(tuple, 2) != ETHER_ADDR_LEN)
760 				return (0);
761 			for (i = 0; i < ETHER_ADDR_LEN; i++)
762 				myla[i] = pcmcia_tuple_read_1(tuple, i + 3);
763 			return (1);
764 		}
765 
766 	case 0x89:
767 		if (pcmcia_tuple_read_1(tuple, 0) != 0x04 ||
768 		    pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)
769 			return (0);
770 		for (i = 0; i < ETHER_ADDR_LEN; i++)
771 			myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
772 		return (1);
773 	}
774 
775 	return (0);
776 }
777 
778 #endif /* NXI_XIRC > 0 */
779