xref: /netbsd-src/sys/dev/pcmcia/xirc.c (revision fad4c9f71477ae11cea2ee75ec82151ac770a534)
1 /*	$NetBSD: xirc.c,v 1.16 2006/03/25 23:23:26 thorpej 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 1.16 2006/03/25 23:23:26 thorpej 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 		/*XXXUNCONST*/
286 		sc->sc_modem = config_found(self, __UNCONST("com"), xirc_print);
287 	if (sc->sc_id & (XIMEDIA_ETHER << 8))
288 		/*XXXUNCONST*/
289 		sc->sc_ethernet = config_found(self, __UNCONST("xi"),
290 		    xirc_print);
291 
292 	xirc_disable(sc, XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED,
293 	    sc->sc_id & (XIMEDIA_MODEM|XIMEDIA_ETHER));
294 	return;
295 
296 fail:
297 	/* I/O spaces will be freed by detach. */
298 	;
299 }
300 
301 int
302 xirc_manfid_ciscallback(tuple, arg)
303 	struct pcmcia_tuple *tuple;
304 	void *arg;
305 {
306 	u_int16_t *id = arg;
307 
308 	if (tuple->code != PCMCIA_CISTPL_MANFID)
309 		return (0);
310 
311 	if (tuple->length < 5)
312 		return (0);
313 
314 	*id = (pcmcia_tuple_read_1(tuple, 3) << 8) |
315 	      pcmcia_tuple_read_1(tuple, 4);
316 	return (1);
317 }
318 
319 struct pcmcia_config_entry *
320 xirc_mako_alloc(sc)
321 	struct xirc_softc *sc;
322 {
323 	struct pcmcia_config_entry *cfe;
324 
325 	SIMPLEQ_FOREACH(cfe, &sc->sc_pf->cfe_head, cfe_list) {
326 		if (cfe->num_iospace != 1)
327 			continue;
328 
329 		if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[0].start,
330 		    cfe->iospace[0].length, cfe->iospace[0].length,
331 		    &sc->sc_modem_pcioh))
332 			continue;
333 
334 		cfe->iospace[1].start = cfe->iospace[0].start+8;
335 		cfe->iospace[1].length = 18;
336 		if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[1].start,
337 		    cfe->iospace[1].length, 0x20,
338 		    &sc->sc_ethernet_pcioh)) {
339 			cfe->iospace[1].start = cfe->iospace[0].start-24;
340 			if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[1].start,
341 			    cfe->iospace[1].length, 0x20,
342 			    &sc->sc_ethernet_pcioh))
343 				continue;
344 		}
345 
346 		/* Found one! */
347 		sc->sc_flags |= XIRC_MODEM_ALLOCED;
348 		sc->sc_flags |= XIRC_ETHERNET_ALLOCED;
349 		return (cfe);
350 	}
351 
352 	return (0);
353 }
354 
355 struct pcmcia_config_entry *
356 xirc_dingo_alloc_modem(sc)
357 	struct xirc_softc *sc;
358 {
359 	struct pcmcia_config_entry *cfe;
360 
361 	SIMPLEQ_FOREACH(cfe, &sc->sc_pf->cfe_head, cfe_list) {
362 		if (cfe->num_iospace != 1)
363 			continue;
364 
365 		if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[0].start,
366 		    cfe->iospace[0].length, cfe->iospace[0].length,
367 		    &sc->sc_modem_pcioh))
368 			continue;
369 
370 		/* Found one! */
371 		sc->sc_flags |= XIRC_MODEM_ALLOCED;
372 		return (cfe);
373 	}
374 
375 	return (0);
376 }
377 
378 struct pcmcia_config_entry *
379 xirc_dingo_alloc_ethernet(sc)
380 	struct xirc_softc *sc;
381 {
382 	struct pcmcia_config_entry *cfe;
383 	bus_addr_t port;
384 
385 	for (port = 0x300; port < 0x400; port += XI_IOSIZE) {
386 		if (pcmcia_io_alloc(sc->sc_pf, port,
387 		    XI_IOSIZE, XI_IOSIZE, &sc->sc_ethernet_pcioh))
388 			continue;
389 
390 		/* Found one for the ethernet! */
391 		sc->sc_flags |= XIRC_ETHERNET_ALLOCED;
392 		cfe = SIMPLEQ_FIRST(&sc->sc_pf->cfe_head);
393 		return (cfe);
394 	}
395 
396 	return (0);
397 }
398 
399 int
400 xirc_print(aux, pnp)
401 	void *aux;
402 	const char *pnp;
403 {
404 	const char *name = aux;
405 
406 	if (pnp)
407 		aprint_normal("%s at %s(*)",  name, pnp);
408 
409 	return (UNCONF);
410 }
411 
412 int
413 xirc_detach(self, flags)
414 	struct device *self;
415 	int flags;
416 {
417 	struct xirc_softc *sc = (void *)self;
418 	int rv;
419 
420 	if (sc->sc_ethernet != NULL) {
421 		rv = config_detach(sc->sc_ethernet, flags);
422 		if (rv != 0)
423 			return (rv);
424 		sc->sc_ethernet = NULL;
425 	}
426 
427 	if (sc->sc_modem != NULL) {
428 		rv = config_detach(sc->sc_modem, flags);
429 		if (rv != 0)
430 			return (rv);
431 		sc->sc_modem = NULL;
432 	}
433 
434 	/* Unmap our i/o windows. */
435 	if (sc->sc_flags & XIRC_ETHERNET_MAPPED)
436 		pcmcia_io_unmap(sc->sc_pf, sc->sc_ethernet_io_window);
437 	if (sc->sc_flags & XIRC_MODEM_MAPPED)
438 		pcmcia_io_unmap(sc->sc_pf, sc->sc_modem_io_window);
439 
440 	/* Free our i/o spaces. */
441 	if (sc->sc_flags & XIRC_ETHERNET_ALLOCED)
442 		pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh);
443 	if (sc->sc_flags & XIRC_MODEM_ALLOCED)
444 		pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh);
445 	sc->sc_flags = 0;
446 
447 	return (0);
448 }
449 
450 int
451 xirc_activate(self, act)
452 	struct device *self;
453 	enum devact act;
454 {
455 	struct xirc_softc *sc = (void *)self;
456 	int s, rv = 0;
457 
458 	s = splhigh();
459 	switch (act) {
460 	case DVACT_ACTIVATE:
461 		rv = EOPNOTSUPP;
462 		break;
463 
464 	case DVACT_DEACTIVATE:
465 		if (sc->sc_ethernet != NULL) {
466 			rv = config_deactivate(sc->sc_ethernet);
467 			if (rv != 0)
468 				goto out;
469 		}
470 
471 		if (sc->sc_modem != NULL) {
472 			rv = config_deactivate(sc->sc_modem);
473 			if (rv != 0)
474 				goto out;
475 		}
476 		break;
477 	}
478  out:
479 	splx(s);
480 	return (rv);
481 }
482 
483 int
484 xirc_intr(arg)
485 	void *arg;
486 {
487 	struct xirc_softc *sc = arg;
488 	int rval = 0;
489 
490 #if NCOM_XIRC > 0
491 	if (sc->sc_modem != NULL &&
492 	    (sc->sc_flags & XIRC_MODEM_ENABLED) != 0)
493 		rval |= comintr(sc->sc_modem);
494 #endif
495 
496 #if NXI_XIRC > 0
497 	if (sc->sc_ethernet != NULL &&
498 	    (sc->sc_flags & XIRC_ETHERNET_ENABLED) != 0)
499 		rval |= xi_intr(sc->sc_ethernet);
500 #endif
501 
502 	return (rval);
503 }
504 
505 int
506 xirc_enable(sc, flag, media)
507 	struct xirc_softc *sc;
508 	int flag, media;
509 {
510 	int error;
511 
512 	if ((sc->sc_flags & flag) == flag) {
513 		printf("%s: already enabled\n", sc->sc_dev.dv_xname);
514 		return (0);
515 	}
516 
517 	if ((sc->sc_flags & (XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED)) != 0) {
518 		sc->sc_flags |= flag;
519 		return (0);
520 	}
521 
522 	/*
523 	 * Establish our interrupt handler.
524 	 *
525 	 * XXX Note, we establish this at IPL_NET.  This is suboptimal
526 	 * XXX the Modem portion, but is necessary to make the Ethernet
527 	 * XXX portion have the correct interrupt level semantics.
528 	 *
529 	 * XXX Eventually we should use the `enabled' bits in the
530 	 * XXX flags word to determine which level we should be at.
531 	 */
532 	sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET, xirc_intr, sc);
533 	if (!sc->sc_ih)
534 		return (EIO);
535 
536 	error = pcmcia_function_enable(sc->sc_pf);
537 	if (error) {
538 		pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
539 		sc->sc_ih = 0;
540 		return (error);
541 	}
542 
543 	sc->sc_flags |= flag;
544 
545 	if (sc->sc_chipset < XI_CHIPSET_DINGO &&
546 	    sc->sc_id & (XIMEDIA_MODEM << 8)) {
547 		sc->sc_mako_intmask |= media;
548 		bus_space_write_1(sc->sc_ethernet_pcioh.iot,
549 		    sc->sc_ethernet_pcioh.ioh, 0x10, sc->sc_mako_intmask);
550 	}
551 
552 	return (0);
553 }
554 
555 void
556 xirc_disable(sc, flag, media)
557 	struct xirc_softc *sc;
558 	int flag, media;
559 {
560 
561 	if ((sc->sc_flags & flag) == 0) {
562 		printf("%s: already disabled\n", sc->sc_dev.dv_xname);
563 		return;
564 	}
565 
566 	if (sc->sc_chipset < XI_CHIPSET_DINGO &&
567 	    sc->sc_id & (XIMEDIA_MODEM << 8)) {
568 		sc->sc_mako_intmask &= ~media;
569 		bus_space_write_1(sc->sc_ethernet_pcioh.iot,
570 		    sc->sc_ethernet_pcioh.ioh, 0x10, sc->sc_mako_intmask);
571 	}
572 
573 	sc->sc_flags &= ~flag;
574 	if ((sc->sc_flags & (XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED)) != 0)
575 		return;
576 
577 	pcmcia_function_disable(sc->sc_pf);
578 	pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
579 	sc->sc_ih = 0;
580 }
581 
582 /****** Here begins the com attachment code. ******/
583 
584 #if NCOM_XIRC > 0
585 int	com_xirc_match(struct device *, struct cfdata *, void *);
586 void	com_xirc_attach(struct device *, struct device *, void *);
587 int	com_xirc_detach(struct device *, int);
588 
589 /* No xirc-specific goo in the softc; it's all in the parent. */
590 CFATTACH_DECL(com_xirc, sizeof(struct com_softc),
591     com_xirc_match, com_xirc_attach, com_detach, com_activate);
592 
593 int	com_xirc_enable(struct com_softc *);
594 void	com_xirc_disable(struct com_softc *);
595 
596 int
597 com_xirc_match(parent, match, aux)
598 	struct device *parent;
599 	struct cfdata *match;
600 	void *aux;
601 {
602 	extern struct cfdriver com_cd;
603 	const char *name = aux;
604 
605 	if (strcmp(name, com_cd.cd_name) == 0)
606 		return (1);
607 
608 	return (0);
609 }
610 
611 void
612 com_xirc_attach(parent, self, aux)
613 	struct device *parent, *self;
614 	void *aux;
615 {
616 	struct com_softc *sc = (void *)self;
617 	struct xirc_softc *msc = (void *)parent;
618 
619 	aprint_normal("\n");
620 
621 	sc->sc_iot = msc->sc_modem_pcioh.iot;
622 	sc->sc_ioh = msc->sc_modem_pcioh.ioh;
623 
624 	sc->enabled = 1;
625 
626 	sc->sc_iobase = -1;
627 	sc->sc_frequency = COM_FREQ;
628 
629 	sc->enable = com_xirc_enable;
630 	sc->disable = com_xirc_disable;
631 
632 	aprint_normal("%s", self->dv_xname);
633 
634 	com_attach_subr(sc);
635 
636 	sc->enabled = 0;
637 }
638 
639 int
640 com_xirc_enable(sc)
641 	struct com_softc *sc;
642 {
643 	struct xirc_softc *msc =
644 	    (struct xirc_softc *)device_parent(&sc->sc_dev);
645 
646 	return (xirc_enable(msc, XIRC_MODEM_ENABLED, XIMEDIA_MODEM));
647 }
648 
649 void
650 com_xirc_disable(sc)
651 	struct com_softc *sc;
652 {
653 	struct xirc_softc *msc =
654 	    (struct xirc_softc *)device_parent(&sc->sc_dev);
655 
656 	xirc_disable(msc, XIRC_MODEM_ENABLED, XIMEDIA_MODEM);
657 }
658 
659 #endif /* NCOM_XIRC > 0 */
660 
661 /****** Here begins the xi attachment code. ******/
662 
663 #if NXI_XIRC > 0
664 int	xi_xirc_match(struct device *, struct cfdata *, void *);
665 void	xi_xirc_attach(struct device *, struct device *, void *);
666 
667 /* No xirc-specific goo in the softc; it's all in the parent. */
668 CFATTACH_DECL(xi_xirc, sizeof(struct xi_softc),
669     xi_xirc_match, xi_xirc_attach, xi_detach, xi_activate);
670 
671 int	xi_xirc_enable(struct xi_softc *);
672 void	xi_xirc_disable(struct xi_softc *);
673 int	xi_xirc_lan_nid_ciscallback(struct pcmcia_tuple *, void *);
674 
675 int
676 xi_xirc_match(parent, match, aux)
677 	struct device *parent;
678 	struct cfdata *match;
679 	void *aux;
680 {
681 	extern struct cfdriver xi_cd;
682 	const char *name = aux;
683 
684 	if (strcmp(name, xi_cd.cd_name) == 0)
685 		return (1);
686 
687 	return (0);
688 }
689 
690 void
691 xi_xirc_attach(parent, self, aux)
692 	struct device *parent, *self;
693 	void *aux;
694 {
695 	struct xi_softc *sc = (void *)self;
696 	struct xirc_softc *msc = (void *)parent;
697 	u_int8_t myla[ETHER_ADDR_LEN];
698 
699 	aprint_normal("\n");
700 
701 	sc->sc_bst = msc->sc_ethernet_pcioh.iot;
702 	sc->sc_bsh = msc->sc_ethernet_pcioh.ioh;
703 
704 	sc->sc_chipset = msc->sc_chipset;
705 
706 	sc->sc_enable = xi_xirc_enable;
707 	sc->sc_disable = xi_xirc_disable;
708 
709 	if (!pcmcia_scan_cis(device_parent(&msc->sc_dev),
710 	    xi_xirc_lan_nid_ciscallback, myla)) {
711 		aprint_error("%s: can't find MAC address\n", self->dv_xname);
712 		return;
713 	}
714 
715 	/* Perform generic initialization. */
716 	xi_attach(sc, myla);
717 }
718 
719 int
720 xi_xirc_enable(sc)
721 	struct xi_softc *sc;
722 {
723 	struct xirc_softc *msc =
724 	    (struct xirc_softc *)device_parent(&sc->sc_dev);
725 
726 	return (xirc_enable(msc, XIRC_ETHERNET_ENABLED, XIMEDIA_ETHER));
727 }
728 
729 void
730 xi_xirc_disable(sc)
731 	struct xi_softc *sc;
732 {
733 	struct xirc_softc *msc =
734 	    (struct xirc_softc *)device_parent(&sc->sc_dev);
735 
736 	xirc_disable(msc, XIRC_ETHERNET_ENABLED, XIMEDIA_ETHER);
737 }
738 
739 int
740 xi_xirc_lan_nid_ciscallback(tuple, arg)
741 	struct pcmcia_tuple *tuple;
742 	void *arg;
743 {
744 	u_int8_t *myla = arg;
745 	int i;
746 
747 	if (tuple->length < 2)
748 		return (0);
749 
750 	switch (tuple->code) {
751 	case PCMCIA_CISTPL_FUNCE:
752 		switch (pcmcia_tuple_read_1(tuple, 0)) {
753 		case PCMCIA_TPLFE_TYPE_LAN_NID:
754 			if (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)
755 				return (0);
756 			for (i = 0; i < ETHER_ADDR_LEN; i++)
757 				myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
758 			return (1);
759 
760 		case 0x02:
761 			/*
762 			 * Not sure about this, I don't have a CE2
763 			 * that puts the ethernet addr here.
764 			 */
765 		 	if (pcmcia_tuple_read_1(tuple, 1) != 0x01 ||
766 			    pcmcia_tuple_read_1(tuple, 2) != ETHER_ADDR_LEN)
767 				return (0);
768 			for (i = 0; i < ETHER_ADDR_LEN; i++)
769 				myla[i] = pcmcia_tuple_read_1(tuple, i + 3);
770 			return (1);
771 		}
772 
773 	case 0x89:
774 		if (pcmcia_tuple_read_1(tuple, 0) != 0x04 ||
775 		    pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)
776 			return (0);
777 		for (i = 0; i < ETHER_ADDR_LEN; i++)
778 			myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
779 		return (1);
780 	}
781 
782 	return (0);
783 }
784 
785 #endif /* NXI_XIRC > 0 */
786