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xirc.c revision 1.27
      1 /*	$NetBSD: xirc.c,v 1.27 2009/03/14 21:04:22 dsl 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  *
     20  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     21  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     22  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     23  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     30  * POSSIBILITY OF SUCH DAMAGE.
     31  */
     32 
     33 #include <sys/cdefs.h>
     34 __KERNEL_RCSID(0, "$NetBSD: xirc.c,v 1.27 2009/03/14 21:04:22 dsl Exp $");
     35 
     36 #include "opt_inet.h"
     37 #include "bpfilter.h"
     38 
     39 #include <sys/param.h>
     40 #include <sys/systm.h>
     41 #include <sys/mbuf.h>
     42 #include <sys/socket.h>
     43 #include <sys/ioctl.h>
     44 #include <sys/errno.h>
     45 #include <sys/syslog.h>
     46 #include <sys/select.h>
     47 #include <sys/tty.h>
     48 #include <sys/device.h>
     49 
     50 #include <net/if.h>
     51 #include <net/if_dl.h>
     52 #include <net/if_ether.h>
     53 #include <net/if_media.h>
     54 
     55 #ifdef INET
     56 #include <netinet/in.h>
     57 #include <netinet/in_systm.h>
     58 #include <netinet/in_var.h>
     59 #include <netinet/ip.h>
     60 #include <netinet/if_inarp.h>
     61 #endif
     62 
     63 
     64 #if NBPFILTER > 0
     65 #include <net/bpf.h>
     66 #include <net/bpfdesc.h>
     67 #endif
     68 
     69 #include <sys/intr.h>
     70 #include <sys/bus.h>
     71 
     72 #include <dev/pcmcia/pcmciareg.h>
     73 #include <dev/pcmcia/pcmciavar.h>
     74 #include <dev/pcmcia/pcmciadevs.h>
     75 
     76 #include "xirc.h"
     77 
     78 #if NCOM_XIRC > 0
     79 #include <dev/ic/comreg.h>
     80 #include <dev/ic/comvar.h>
     81 #endif
     82 
     83 #if NXI_XIRC > 0
     84 #include <dev/mii/mii.h>
     85 #include <dev/mii/miivar.h>
     86 
     87 #include <dev/pcmcia/if_xivar.h>
     88 #endif
     89 #include <dev/pcmcia/if_xireg.h>
     90 
     91 struct xirc_softc {
     92 	struct device sc_dev;		/* generic device glue */
     93 
     94 	struct pcmcia_function *sc_pf;	/* our PCMCIA function */
     95 	void *sc_ih;			/* interrupt handle */
     96 
     97 	u_int16_t sc_id;
     98 	u_int8_t sc_mako_intmask;
     99 	int sc_chipset;
    100 
    101 	/*
    102 	 * Data for the Modem portion.
    103 	 */
    104 	struct device *sc_modem;
    105 	struct pcmcia_io_handle sc_modem_pcioh;
    106 	int sc_modem_io_window;
    107 
    108 	/*
    109 	 * Data for the Ethernet portion.
    110 	 */
    111 	struct device *sc_ethernet;
    112 	struct pcmcia_io_handle sc_ethernet_pcioh;
    113 	int sc_ethernet_io_window;
    114 
    115 	int sc_flags;
    116 #define	XIRC_MODEM_MAPPED	0x01
    117 #define	XIRC_ETHERNET_MAPPED	0x02
    118 #define	XIRC_MODEM_ENABLED	0x04
    119 #define	XIRC_ETHERNET_ENABLED	0x08
    120 #define	XIRC_MODEM_ALLOCED	0x10
    121 #define	XIRC_ETHERNET_ALLOCED	0x20
    122 };
    123 
    124 int	xirc_match(struct device *, struct cfdata *, void *);
    125 void	xirc_attach(struct device *, struct device *, void *);
    126 int	xirc_detach(struct device *, int);
    127 int	xirc_activate(struct device *, enum devact);
    128 
    129 CFATTACH_DECL(xirc, sizeof(struct xirc_softc),
    130     xirc_match, xirc_attach, xirc_detach, xirc_activate);
    131 
    132 int	xirc_print(void *, const char *);
    133 
    134 int	xirc_manfid_ciscallback(struct pcmcia_tuple *, void *);
    135 struct pcmcia_config_entry *
    136 	xirc_mako_alloc(struct xirc_softc *);
    137 struct pcmcia_config_entry *
    138 	xirc_dingo_alloc_modem(struct xirc_softc *);
    139 struct pcmcia_config_entry *
    140 	xirc_dingo_alloc_ethernet(struct xirc_softc *);
    141 
    142 int	xirc_enable(struct xirc_softc *, int, int);
    143 void	xirc_disable(struct xirc_softc *, int, int);
    144 
    145 int	xirc_intr(void *);
    146 
    147 int
    148 xirc_match(struct device *parent, struct cfdata *match,
    149     void *aux)
    150 {
    151 	struct pcmcia_attach_args *pa = aux;
    152 
    153 	/* XXX Toshiba, Accton */
    154 
    155 	if (pa->manufacturer == PCMCIA_VENDOR_COMPAQ2 &&
    156 	    pa->product == PCMCIA_PRODUCT_COMPAQ2_CPQ_10_100)
    157 		return (1);
    158 
    159 	if (pa->manufacturer == PCMCIA_VENDOR_INTEL &&
    160 	    pa->product == PCMCIA_PRODUCT_INTEL_EEPRO100)
    161 		return (1);
    162 
    163 	if (pa->manufacturer == PCMCIA_VENDOR_XIRCOM &&
    164 	    (pa->product & (XIMEDIA_ETHER << 8)) != 0)
    165 		return (2);
    166 
    167 	return (0);
    168 }
    169 
    170 void
    171 xirc_attach(struct device *parent, struct device *self, void *aux)
    172 {
    173 	struct xirc_softc *sc = (void *)self;
    174 	struct pcmcia_attach_args *pa = aux;
    175 	struct pcmcia_config_entry *cfe;
    176 	int rv;
    177 	int error;
    178 
    179 	sc->sc_pf = pa->pf;
    180 
    181 	pcmcia_socket_enable(parent);
    182 	rv = pcmcia_scan_cis(parent, xirc_manfid_ciscallback, &sc->sc_id);
    183 	pcmcia_socket_disable(parent);
    184 	if (!rv) {
    185 		aprint_error_dev(self, "failed to find ID\n");
    186 		return;
    187 	}
    188 
    189 	switch (sc->sc_id & 0x100f) {
    190 	case 0x0001:	/* CE */
    191 	case 0x0002:	/* CE2 */
    192 		sc->sc_chipset = XI_CHIPSET_SCIPPER;
    193 		break;
    194 	case 0x0003:	/* CE3 */
    195 		sc->sc_chipset = XI_CHIPSET_MOHAWK;
    196 		break;
    197 	case 0x1001:
    198 	case 0x1002:
    199 	case 0x1003:
    200 	case 0x1004:
    201 		sc->sc_chipset = XI_CHIPSET_SCIPPER;
    202 		break;
    203 	case 0x1005:
    204 		sc->sc_chipset = XI_CHIPSET_MOHAWK;
    205 		break;
    206 	case 0x1006:
    207 	case 0x1007:
    208 		sc->sc_chipset = XI_CHIPSET_DINGO;
    209 		break;
    210 	default:
    211 		aprint_error_dev(self, "unknown ID %04x\n",
    212 		    sc->sc_id);
    213 		return;
    214 	}
    215 
    216 	aprint_normal_dev(self, "id=%04x\n", sc->sc_id);
    217 
    218 	if (sc->sc_id & (XIMEDIA_MODEM << 8)) {
    219 		if (sc->sc_chipset >= XI_CHIPSET_DINGO) {
    220 			cfe = xirc_dingo_alloc_modem(sc);
    221 			if (cfe && sc->sc_id & (XIMEDIA_ETHER << 8)) {
    222 				if (!xirc_dingo_alloc_ethernet(sc)) {
    223 					pcmcia_io_free(pa->pf,
    224 					    &sc->sc_modem_pcioh);
    225 					cfe = 0;
    226 				}
    227 			}
    228 		} else
    229 			cfe = xirc_mako_alloc(sc);
    230 	} else
    231 		cfe = xirc_dingo_alloc_ethernet(sc);
    232 	if (!cfe) {
    233 		aprint_error_dev(self, "failed to allocate I/O space\n");
    234 		goto fail;
    235 	}
    236 
    237 	/* Enable the card. */
    238 	pcmcia_function_init(pa->pf, cfe);
    239 
    240 	if (sc->sc_id & (XIMEDIA_MODEM << 8)) {
    241 		if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_IO8,
    242 		    &sc->sc_modem_pcioh, &sc->sc_modem_io_window)) {
    243 			aprint_error_dev(self, "unable to map I/O space\n");
    244 			goto fail;
    245 		}
    246 		sc->sc_flags |= XIRC_MODEM_MAPPED;
    247 	}
    248 
    249 	if (sc->sc_id & (XIMEDIA_ETHER << 8)) {
    250 		if (pcmcia_io_map(sc->sc_pf, PCMCIA_WIDTH_AUTO,
    251 		    &sc->sc_ethernet_pcioh, &sc->sc_ethernet_io_window)) {
    252 			aprint_error_dev(self, "unable to map I/O space\n");
    253 			goto fail;
    254 		}
    255 		sc->sc_flags |= XIRC_ETHERNET_MAPPED;
    256 	}
    257 
    258 	error = xirc_enable(sc, XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED,
    259 	    sc->sc_id & (XIMEDIA_MODEM|XIMEDIA_ETHER));
    260 	if (error)
    261 		goto fail;
    262 
    263 	sc->sc_mako_intmask = 0xee;
    264 
    265 	if (sc->sc_id & (XIMEDIA_MODEM << 8))
    266 		/*XXXUNCONST*/
    267 		sc->sc_modem = config_found(self, __UNCONST("com"), xirc_print);
    268 	if (sc->sc_id & (XIMEDIA_ETHER << 8))
    269 		/*XXXUNCONST*/
    270 		sc->sc_ethernet = config_found(self, __UNCONST("xi"),
    271 		    xirc_print);
    272 
    273 	xirc_disable(sc, XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED,
    274 	    sc->sc_id & (XIMEDIA_MODEM|XIMEDIA_ETHER));
    275 	return;
    276 
    277 fail:
    278 	/* I/O spaces will be freed by detach. */
    279 	;
    280 }
    281 
    282 int
    283 xirc_manfid_ciscallback(struct pcmcia_tuple *tuple, void *arg)
    284 {
    285 	u_int16_t *id = arg;
    286 
    287 	if (tuple->code != PCMCIA_CISTPL_MANFID)
    288 		return (0);
    289 
    290 	if (tuple->length < 5)
    291 		return (0);
    292 
    293 	*id = (pcmcia_tuple_read_1(tuple, 3) << 8) |
    294 	      pcmcia_tuple_read_1(tuple, 4);
    295 	return (1);
    296 }
    297 
    298 struct pcmcia_config_entry *
    299 xirc_mako_alloc(struct xirc_softc *sc)
    300 {
    301 	struct pcmcia_config_entry *cfe;
    302 
    303 	SIMPLEQ_FOREACH(cfe, &sc->sc_pf->cfe_head, cfe_list) {
    304 		if (cfe->num_iospace != 1)
    305 			continue;
    306 
    307 		if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[0].start,
    308 		    cfe->iospace[0].length, cfe->iospace[0].length,
    309 		    &sc->sc_modem_pcioh))
    310 			continue;
    311 
    312 		cfe->iospace[1].start = cfe->iospace[0].start+8;
    313 		cfe->iospace[1].length = 18;
    314 		if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[1].start,
    315 		    cfe->iospace[1].length, 0x20,
    316 		    &sc->sc_ethernet_pcioh)) {
    317 			cfe->iospace[1].start = cfe->iospace[0].start-24;
    318 			if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[1].start,
    319 			    cfe->iospace[1].length, 0x20,
    320 			    &sc->sc_ethernet_pcioh))
    321 				continue;
    322 		}
    323 
    324 		/* Found one! */
    325 		sc->sc_flags |= XIRC_MODEM_ALLOCED;
    326 		sc->sc_flags |= XIRC_ETHERNET_ALLOCED;
    327 		return (cfe);
    328 	}
    329 
    330 	return (0);
    331 }
    332 
    333 struct pcmcia_config_entry *
    334 xirc_dingo_alloc_modem(struct xirc_softc *sc)
    335 {
    336 	struct pcmcia_config_entry *cfe;
    337 
    338 	SIMPLEQ_FOREACH(cfe, &sc->sc_pf->cfe_head, cfe_list) {
    339 		if (cfe->num_iospace != 1)
    340 			continue;
    341 
    342 		if (pcmcia_io_alloc(sc->sc_pf, cfe->iospace[0].start,
    343 		    cfe->iospace[0].length, cfe->iospace[0].length,
    344 		    &sc->sc_modem_pcioh))
    345 			continue;
    346 
    347 		/* Found one! */
    348 		sc->sc_flags |= XIRC_MODEM_ALLOCED;
    349 		return (cfe);
    350 	}
    351 
    352 	return (0);
    353 }
    354 
    355 struct pcmcia_config_entry *
    356 xirc_dingo_alloc_ethernet(struct xirc_softc *sc)
    357 {
    358 	struct pcmcia_config_entry *cfe;
    359 	bus_addr_t port;
    360 
    361 	for (port = 0x300; port < 0x400; port += XI_IOSIZE) {
    362 		if (pcmcia_io_alloc(sc->sc_pf, port,
    363 		    XI_IOSIZE, XI_IOSIZE, &sc->sc_ethernet_pcioh))
    364 			continue;
    365 
    366 		/* Found one for the ethernet! */
    367 		sc->sc_flags |= XIRC_ETHERNET_ALLOCED;
    368 		cfe = SIMPLEQ_FIRST(&sc->sc_pf->cfe_head);
    369 		return (cfe);
    370 	}
    371 
    372 	return (0);
    373 }
    374 
    375 int
    376 xirc_print(void *aux, const char *pnp)
    377 {
    378 	const char *name = aux;
    379 
    380 	if (pnp)
    381 		aprint_normal("%s at %s(*)",  name, pnp);
    382 
    383 	return (UNCONF);
    384 }
    385 
    386 int
    387 xirc_detach(struct device *self, int flags)
    388 {
    389 	struct xirc_softc *sc = (void *)self;
    390 	int rv;
    391 
    392 	if (sc->sc_ethernet != NULL) {
    393 		rv = config_detach(sc->sc_ethernet, flags);
    394 		if (rv != 0)
    395 			return (rv);
    396 		sc->sc_ethernet = NULL;
    397 	}
    398 
    399 	if (sc->sc_modem != NULL) {
    400 		rv = config_detach(sc->sc_modem, flags);
    401 		if (rv != 0)
    402 			return (rv);
    403 		sc->sc_modem = NULL;
    404 	}
    405 
    406 	/* Unmap our i/o windows. */
    407 	if (sc->sc_flags & XIRC_ETHERNET_MAPPED)
    408 		pcmcia_io_unmap(sc->sc_pf, sc->sc_ethernet_io_window);
    409 	if (sc->sc_flags & XIRC_MODEM_MAPPED)
    410 		pcmcia_io_unmap(sc->sc_pf, sc->sc_modem_io_window);
    411 
    412 	/* Free our i/o spaces. */
    413 	if (sc->sc_flags & XIRC_ETHERNET_ALLOCED)
    414 		pcmcia_io_free(sc->sc_pf, &sc->sc_ethernet_pcioh);
    415 	if (sc->sc_flags & XIRC_MODEM_ALLOCED)
    416 		pcmcia_io_free(sc->sc_pf, &sc->sc_modem_pcioh);
    417 	sc->sc_flags = 0;
    418 
    419 	return (0);
    420 }
    421 
    422 int
    423 xirc_activate(struct device *self, enum devact act)
    424 {
    425 	struct xirc_softc *sc = (void *)self;
    426 	int s, rv = 0;
    427 
    428 	s = splhigh();
    429 	switch (act) {
    430 	case DVACT_ACTIVATE:
    431 		rv = EOPNOTSUPP;
    432 		break;
    433 
    434 	case DVACT_DEACTIVATE:
    435 		if (sc->sc_ethernet != NULL) {
    436 			rv = config_deactivate(sc->sc_ethernet);
    437 			if (rv != 0)
    438 				goto out;
    439 		}
    440 
    441 		if (sc->sc_modem != NULL) {
    442 			rv = config_deactivate(sc->sc_modem);
    443 			if (rv != 0)
    444 				goto out;
    445 		}
    446 		break;
    447 	}
    448  out:
    449 	splx(s);
    450 	return (rv);
    451 }
    452 
    453 int
    454 xirc_intr(void *arg)
    455 {
    456 	struct xirc_softc *sc = arg;
    457 	int rval = 0;
    458 
    459 #if NCOM_XIRC > 0
    460 	if (sc->sc_modem != NULL &&
    461 	    (sc->sc_flags & XIRC_MODEM_ENABLED) != 0)
    462 		rval |= comintr(device_private(sc->sc_modem));
    463 #endif
    464 
    465 #if NXI_XIRC > 0
    466 	if (sc->sc_ethernet != NULL &&
    467 	    (sc->sc_flags & XIRC_ETHERNET_ENABLED) != 0)
    468 		rval |= xi_intr(device_private(sc->sc_ethernet));
    469 #endif
    470 
    471 	return (rval);
    472 }
    473 
    474 int
    475 xirc_enable(struct xirc_softc *sc, int flag, int media)
    476 {
    477 	int error;
    478 
    479 	if ((sc->sc_flags & flag) == flag) {
    480 		printf("%s: already enabled\n", device_xname(&sc->sc_dev));
    481 		return (0);
    482 	}
    483 
    484 	if ((sc->sc_flags & (XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED)) != 0) {
    485 		sc->sc_flags |= flag;
    486 		return (0);
    487 	}
    488 
    489 	/*
    490 	 * Establish our interrupt handler.
    491 	 *
    492 	 * XXX Note, we establish this at IPL_NET.  This is suboptimal
    493 	 * XXX the Modem portion, but is necessary to make the Ethernet
    494 	 * XXX portion have the correct interrupt level semantics.
    495 	 *
    496 	 * XXX Eventually we should use the `enabled' bits in the
    497 	 * XXX flags word to determine which level we should be at.
    498 	 */
    499 	sc->sc_ih = pcmcia_intr_establish(sc->sc_pf, IPL_NET, xirc_intr, sc);
    500 	if (!sc->sc_ih)
    501 		return (EIO);
    502 
    503 	error = pcmcia_function_enable(sc->sc_pf);
    504 	if (error) {
    505 		pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    506 		sc->sc_ih = 0;
    507 		return (error);
    508 	}
    509 
    510 	sc->sc_flags |= flag;
    511 
    512 	if (sc->sc_chipset < XI_CHIPSET_DINGO &&
    513 	    sc->sc_id & (XIMEDIA_MODEM << 8)) {
    514 		sc->sc_mako_intmask |= media;
    515 		bus_space_write_1(sc->sc_ethernet_pcioh.iot,
    516 		    sc->sc_ethernet_pcioh.ioh, 0x10, sc->sc_mako_intmask);
    517 	}
    518 
    519 	return (0);
    520 }
    521 
    522 void
    523 xirc_disable(struct xirc_softc *sc, int flag, int media)
    524 {
    525 
    526 	if ((sc->sc_flags & flag) == 0) {
    527 		printf("%s: already disabled\n", device_xname(&sc->sc_dev));
    528 		return;
    529 	}
    530 
    531 	if (sc->sc_chipset < XI_CHIPSET_DINGO &&
    532 	    sc->sc_id & (XIMEDIA_MODEM << 8)) {
    533 		sc->sc_mako_intmask &= ~media;
    534 		bus_space_write_1(sc->sc_ethernet_pcioh.iot,
    535 		    sc->sc_ethernet_pcioh.ioh, 0x10, sc->sc_mako_intmask);
    536 	}
    537 
    538 	sc->sc_flags &= ~flag;
    539 	if ((sc->sc_flags & (XIRC_MODEM_ENABLED|XIRC_ETHERNET_ENABLED)) != 0)
    540 		return;
    541 
    542 	pcmcia_function_disable(sc->sc_pf);
    543 	pcmcia_intr_disestablish(sc->sc_pf, sc->sc_ih);
    544 	sc->sc_ih = 0;
    545 }
    546 
    547 /****** Here begins the com attachment code. ******/
    548 
    549 #if NCOM_XIRC > 0
    550 int	com_xirc_match(device_t, cfdata_t , void *);
    551 void	com_xirc_attach(device_t, device_t, void *);
    552 int	com_xirc_detach(device_t, int);
    553 
    554 /* No xirc-specific goo in the softc; it's all in the parent. */
    555 CFATTACH_DECL_NEW(com_xirc, sizeof(struct com_softc),
    556     com_xirc_match, com_xirc_attach, com_detach, com_activate);
    557 
    558 int	com_xirc_enable(struct com_softc *);
    559 void	com_xirc_disable(struct com_softc *);
    560 
    561 int
    562 com_xirc_match(device_t parent, cfdata_t match, void *aux)
    563 {
    564 	extern struct cfdriver com_cd;
    565 	const char *name = aux;
    566 
    567 	if (strcmp(name, com_cd.cd_name) == 0)
    568 		return (1);
    569 
    570 	return (0);
    571 }
    572 
    573 void
    574 com_xirc_attach(device_t parent, device_t self, void *aux)
    575 {
    576 	struct com_softc *sc = device_private(self);
    577 	struct xirc_softc *msc = device_private(parent);
    578 
    579 	sc->sc_dev = self;
    580 
    581 	aprint_normal("\n");
    582 
    583 	COM_INIT_REGS(sc->sc_regs,
    584 	    msc->sc_modem_pcioh.iot,
    585 	    msc->sc_modem_pcioh.ioh,
    586 	    -1);
    587 
    588 	sc->enabled = 1;
    589 
    590 	sc->sc_frequency = COM_FREQ;
    591 
    592 	sc->enable = com_xirc_enable;
    593 	sc->disable = com_xirc_disable;
    594 
    595 	aprint_normal("%s", device_xname(self));
    596 
    597 	com_attach_subr(sc);
    598 
    599 	sc->enabled = 0;
    600 }
    601 
    602 int
    603 com_xirc_enable(struct com_softc *sc)
    604 {
    605 	struct xirc_softc *msc =
    606 	    device_private(device_parent(sc->sc_dev));
    607 
    608 	return (xirc_enable(msc, XIRC_MODEM_ENABLED, XIMEDIA_MODEM));
    609 }
    610 
    611 void
    612 com_xirc_disable(struct com_softc *sc)
    613 {
    614 	struct xirc_softc *msc =
    615 	    device_private(device_parent(sc->sc_dev));
    616 
    617 	xirc_disable(msc, XIRC_MODEM_ENABLED, XIMEDIA_MODEM);
    618 }
    619 
    620 #endif /* NCOM_XIRC > 0 */
    621 
    622 /****** Here begins the xi attachment code. ******/
    623 
    624 #if NXI_XIRC > 0
    625 int	xi_xirc_match(struct device *, struct cfdata *, void *);
    626 void	xi_xirc_attach(struct device *, struct device *, void *);
    627 
    628 /* No xirc-specific goo in the softc; it's all in the parent. */
    629 CFATTACH_DECL(xi_xirc, sizeof(struct xi_softc),
    630     xi_xirc_match, xi_xirc_attach, xi_detach, xi_activate);
    631 
    632 int	xi_xirc_enable(struct xi_softc *);
    633 void	xi_xirc_disable(struct xi_softc *);
    634 int	xi_xirc_lan_nid_ciscallback(struct pcmcia_tuple *, void *);
    635 
    636 int
    637 xi_xirc_match(struct device *parent, struct cfdata *match,
    638     void *aux)
    639 {
    640 	extern struct cfdriver xi_cd;
    641 	const char *name = aux;
    642 
    643 	if (strcmp(name, xi_cd.cd_name) == 0)
    644 		return (1);
    645 
    646 	return (0);
    647 }
    648 
    649 void
    650 xi_xirc_attach(struct device *parent, struct device *self, void *aux)
    651 {
    652 	struct xi_softc *sc = (void *)self;
    653 	struct xirc_softc *msc = (void *)parent;
    654 	u_int8_t myla[ETHER_ADDR_LEN];
    655 
    656 	aprint_normal("\n");
    657 
    658 	sc->sc_bst = msc->sc_ethernet_pcioh.iot;
    659 	sc->sc_bsh = msc->sc_ethernet_pcioh.ioh;
    660 
    661 	sc->sc_chipset = msc->sc_chipset;
    662 
    663 	sc->sc_enable = xi_xirc_enable;
    664 	sc->sc_disable = xi_xirc_disable;
    665 
    666 	if (!pcmcia_scan_cis(device_parent(&msc->sc_dev),
    667 	    xi_xirc_lan_nid_ciscallback, myla)) {
    668 		aprint_error_dev(self, "can't find MAC address\n");
    669 		return;
    670 	}
    671 
    672 	/* Perform generic initialization. */
    673 	xi_attach(sc, myla);
    674 }
    675 
    676 int
    677 xi_xirc_enable(struct xi_softc *sc)
    678 {
    679 	struct xirc_softc *msc =
    680 	    (struct xirc_softc *)device_parent(&sc->sc_dev);
    681 
    682 	return (xirc_enable(msc, XIRC_ETHERNET_ENABLED, XIMEDIA_ETHER));
    683 }
    684 
    685 void
    686 xi_xirc_disable(struct xi_softc *sc)
    687 {
    688 	struct xirc_softc *msc =
    689 	    (struct xirc_softc *)device_parent(&sc->sc_dev);
    690 
    691 	xirc_disable(msc, XIRC_ETHERNET_ENABLED, XIMEDIA_ETHER);
    692 }
    693 
    694 int
    695 xi_xirc_lan_nid_ciscallback(struct pcmcia_tuple *tuple, void *arg)
    696 {
    697 	u_int8_t *myla = arg;
    698 	int i;
    699 
    700 	if (tuple->length < 2)
    701 		return (0);
    702 
    703 	switch (tuple->code) {
    704 	case PCMCIA_CISTPL_FUNCE:
    705 		switch (pcmcia_tuple_read_1(tuple, 0)) {
    706 		case PCMCIA_TPLFE_TYPE_LAN_NID:
    707 			if (pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)
    708 				return (0);
    709 			for (i = 0; i < ETHER_ADDR_LEN; i++)
    710 				myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
    711 			return (1);
    712 
    713 		case 0x02:
    714 			/*
    715 			 * Not sure about this, I don't have a CE2
    716 			 * that puts the ethernet addr here.
    717 			 */
    718 		 	if (pcmcia_tuple_read_1(tuple, 1) != 0x01 ||
    719 			    pcmcia_tuple_read_1(tuple, 2) != ETHER_ADDR_LEN)
    720 				return (0);
    721 			for (i = 0; i < ETHER_ADDR_LEN; i++)
    722 				myla[i] = pcmcia_tuple_read_1(tuple, i + 3);
    723 			return (1);
    724 		}
    725 
    726 	case 0x89:
    727 		if (pcmcia_tuple_read_1(tuple, 0) != 0x04 ||
    728 		    pcmcia_tuple_read_1(tuple, 1) != ETHER_ADDR_LEN)
    729 			return (0);
    730 		for (i = 0; i < ETHER_ADDR_LEN; i++)
    731 			myla[i] = pcmcia_tuple_read_1(tuple, i + 2);
    732 		return (1);
    733 	}
    734 
    735 	return (0);
    736 }
    737 
    738 #endif /* NXI_XIRC > 0 */
    739