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xirc.c revision 1.16
      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