xref: /openbsd-src/sys/dev/pci/if_dc_pci.c (revision e5157e49389faebcb42b7237d55fbf096d9c2523)
1 /*	$OpenBSD: if_dc_pci.c,v 1.70 2014/07/22 13:12:11 mpi Exp $	*/
2 
3 /*
4  * Copyright (c) 1997, 1998, 1999
5  *	Bill Paul <wpaul@ee.columbia.edu>.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Bill Paul.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  * $FreeBSD: src/sys/pci/if_dc.c,v 1.5 2000/01/12 22:24:05 wpaul Exp $
35  */
36 
37 #include "bpfilter.h"
38 
39 #include <sys/param.h>
40 #include <sys/systm.h>
41 #include <sys/mbuf.h>
42 #include <sys/protosw.h>
43 #include <sys/socket.h>
44 #include <sys/ioctl.h>
45 #include <sys/errno.h>
46 #include <sys/timeout.h>
47 #include <sys/malloc.h>
48 #include <sys/kernel.h>
49 #include <sys/device.h>
50 
51 #include <net/if.h>
52 #include <net/if_dl.h>
53 #include <net/if_types.h>
54 
55 #ifdef INET
56 #include <netinet/in.h>
57 #include <netinet/if_ether.h>
58 #endif
59 
60 #include <net/if_media.h>
61 
62 #if NBPFILTER > 0
63 #include <net/bpf.h>
64 #endif
65 
66 #include <dev/mii/mii.h>
67 #include <dev/mii/miivar.h>
68 
69 #include <dev/pci/pcireg.h>
70 #include <dev/pci/pcivar.h>
71 #include <dev/pci/pcidevs.h>
72 
73 #ifdef __sparc64__
74 #include <dev/ofw/openfirm.h>
75 #endif
76 
77 #ifndef __hppa__
78 #define DC_USEIOSPACE
79 #endif
80 
81 #include <dev/ic/dcreg.h>
82 
83 /*
84  * Various supported device vendors/types and their names.
85  */
86 struct dc_type dc_devs[] = {
87 	{ PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21140 },
88 	{ PCI_VENDOR_DEC, PCI_PRODUCT_DEC_21142 },
89 	{ PCI_VENDOR_DAVICOM, PCI_PRODUCT_DAVICOM_DM9009 },
90 	{ PCI_VENDOR_DAVICOM, PCI_PRODUCT_DAVICOM_DM9100 },
91 	{ PCI_VENDOR_DAVICOM, PCI_PRODUCT_DAVICOM_DM9102 },
92 	{ PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_ADM9511 },
93 	{ PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_ADM9513 },
94 	{ PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AL981 },
95 	{ PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AN983 },
96 	{ PCI_VENDOR_ASIX, PCI_PRODUCT_ASIX_AX88140A },
97 	{ PCI_VENDOR_MACRONIX, PCI_PRODUCT_MACRONIX_MX98713 },
98 	{ PCI_VENDOR_MACRONIX, PCI_PRODUCT_MACRONIX_MX98715 },
99 	{ PCI_VENDOR_MACRONIX, PCI_PRODUCT_MACRONIX_MX98727 },
100 	{ PCI_VENDOR_COMPEX, PCI_PRODUCT_COMPEX_98713 },
101 	{ PCI_VENDOR_LITEON, PCI_PRODUCT_LITEON_PNIC },
102 	{ PCI_VENDOR_LITEON, PCI_PRODUCT_LITEON_PNICII },
103 	{ PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_EN1217 },
104 	{ PCI_VENDOR_ACCTON, PCI_PRODUCT_ACCTON_EN2242 },
105 	{ PCI_VENDOR_CONEXANT, PCI_PRODUCT_CONEXANT_RS7112 },
106 	{ PCI_VENDOR_INTEL, PCI_PRODUCT_INTEL_21145 },
107 	{ PCI_VENDOR_3COM, PCI_PRODUCT_3COM_3CSHO100BTX },
108 	{ PCI_VENDOR_MICROSOFT, PCI_PRODUCT_MICROSOFT_MN130 },
109 	{ PCI_VENDOR_XIRCOM, PCI_PRODUCT_XIRCOM_X3201_3_21143 },
110 	{ PCI_VENDOR_ADMTEK, PCI_PRODUCT_ADMTEK_AN985 },
111 	{ PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2500 },
112 	{ PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_FE2500MX },
113 	{ PCI_VENDOR_ABOCOM, PCI_PRODUCT_ABOCOM_PCM200 },
114 	{ PCI_VENDOR_DLINK, PCI_PRODUCT_DLINK_DRP32TXD },
115 	{ PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_PCMPC200 },
116 	{ PCI_VENDOR_LINKSYS, PCI_PRODUCT_LINKSYS_PCM200 },
117 	{ PCI_VENDOR_HAWKING, PCI_PRODUCT_HAWKING_PN672TX },
118 	{ PCI_VENDOR_MICROSOFT, PCI_PRODUCT_MICROSOFT_MN120 },
119 	{ 0, 0 }
120 };
121 
122 int dc_pci_match(struct device *, void *, void *);
123 void dc_pci_attach(struct device *, struct device *, void *);
124 int dc_pci_detach(struct device *, int);
125 
126 struct dc_pci_softc {
127 	struct dc_softc		psc_softc;
128 	pci_chipset_tag_t	psc_pc;
129 	bus_size_t		psc_mapsize;
130 };
131 
132 /*
133  * Probe for a 21143 or clone chip. Check the PCI vendor and device
134  * IDs against our list and return a device name if we find a match.
135  */
136 int
137 dc_pci_match(struct device *parent, void *match, void *aux)
138 {
139 	struct pci_attach_args *pa = (struct pci_attach_args *)aux;
140 	struct dc_type *t;
141 
142 	/*
143 	 * Support for the 21140 chip is experimental.  If it works for you,
144 	 * that's great.  By default, this chip will use de.
145 	 */
146         if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DEC &&
147 	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DEC_21140)
148 		return (1);
149 
150 	/*
151 	 * The following chip revision doesn't seem to work so well with dc,
152 	 * so let's have de handle it.  (de will return a match of 2)
153 	 */
154         if (PCI_VENDOR(pa->pa_id) == PCI_VENDOR_DEC &&
155 	    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DEC_21142 &&
156 	    PCI_REVISION(pa->pa_class) == 0x21)
157 		return (1);
158 
159 	for (t = dc_devs; t->dc_vid != 0; t++) {
160 		if ((PCI_VENDOR(pa->pa_id) == t->dc_vid) &&
161 		    (PCI_PRODUCT(pa->pa_id) == t->dc_did)) {
162 			return (3);
163 		}
164 	}
165 
166 	return (0);
167 }
168 
169 /*
170  * Attach the interface. Allocate softc structures, do ifmedia
171  * setup and ethernet/BPF attach.
172  */
173 void
174 dc_pci_attach(struct device *parent, struct device *self, void *aux)
175 {
176 	const char		*intrstr = NULL;
177 	pcireg_t		command;
178 	struct dc_pci_softc	*psc = (struct dc_pci_softc *)self;
179 	struct dc_softc		*sc = &psc->psc_softc;
180 	struct pci_attach_args	*pa = aux;
181 	pci_chipset_tag_t	pc = pa->pa_pc;
182 	pci_intr_handle_t	ih;
183 	int			found = 0;
184 
185 	psc->psc_pc = pa->pa_pc;
186 	sc->sc_dmat = pa->pa_dmat;
187 
188 	pci_set_powerstate(pa->pa_pc, pa->pa_tag, PCI_PMCSR_STATE_D0);
189 
190 	sc->dc_csid = pci_conf_read(pc, pa->pa_tag, PCI_SUBSYS_ID_REG);
191 
192 	/*
193 	 * Map control/status registers.
194 	 */
195 #ifdef DC_USEIOSPACE
196 	if (pci_mapreg_map(pa, DC_PCI_CFBIO,
197 	    PCI_MAPREG_TYPE_IO, 0,
198 	    &sc->dc_btag, &sc->dc_bhandle, NULL, &psc->psc_mapsize, 0)) {
199 		printf(": can't map i/o space\n");
200 		return;
201 	}
202 #else
203 	if (pci_mapreg_map(pa, DC_PCI_CFBMA,
204 	    PCI_MAPREG_TYPE_MEM|PCI_MAPREG_MEM_TYPE_32BIT, 0,
205 	    &sc->dc_btag, &sc->dc_bhandle, NULL, &psc->psc_mapsize, 0)) {
206 		printf(": can't map mem space\n");
207 		return;
208 	}
209 #endif
210 
211 	/* Allocate interrupt */
212 	if (pci_intr_map(pa, &ih)) {
213 		printf(": couldn't map interrupt\n");
214 		goto fail_1;
215 	}
216 	intrstr = pci_intr_string(pc, ih);
217 	sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, dc_intr, sc,
218 	    self->dv_xname);
219 	if (sc->sc_ih == NULL) {
220 		printf(": couldn't establish interrupt");
221 		if (intrstr != NULL)
222 			printf(" at %s", intrstr);
223 		printf("\n");
224 		goto fail_1;
225 	}
226 	printf(": %s", intrstr);
227 
228 	/* Need this info to decide on a chip type. */
229 	sc->dc_revision = PCI_REVISION(pa->pa_class);
230 
231 	/* Get the eeprom width, if possible */
232 	if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_LITEON &&
233 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_LITEON_PNIC))
234 		;	/* PNIC has non-standard eeprom */
235 	else if ((PCI_VENDOR(pa->pa_id) == PCI_VENDOR_XIRCOM &&
236 	      PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_XIRCOM_X3201_3_21143))
237 		;	/* XIRCOM has non-standard eeprom */
238 	else
239 		dc_eeprom_width(sc);
240 
241 	switch (PCI_VENDOR(pa->pa_id)) {
242 	case PCI_VENDOR_DEC:
243 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DEC_21140 ||
244 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DEC_21142) {
245 			found = 1;
246 			sc->dc_type = DC_TYPE_21143;
247 			sc->dc_flags |= DC_TX_POLL|DC_TX_USE_TX_INTR;
248 			sc->dc_flags |= DC_REDUCED_MII_POLL;
249 			dc_read_srom(sc, sc->dc_romwidth);
250 		}
251 		break;
252 	case PCI_VENDOR_INTEL:
253 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_INTEL_21145) {
254 			found = 1;
255 			sc->dc_type = DC_TYPE_21145;
256 			sc->dc_flags |= DC_TX_POLL|DC_TX_USE_TX_INTR;
257 			sc->dc_flags |= DC_REDUCED_MII_POLL;
258 			dc_read_srom(sc, sc->dc_romwidth);
259 		}
260 		break;
261 	case PCI_VENDOR_DAVICOM:
262 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DAVICOM_DM9100 ||
263 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DAVICOM_DM9102 ||
264 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_DAVICOM_DM9009) {
265 			found = 1;
266 			sc->dc_type = DC_TYPE_DM9102;
267 			sc->dc_flags |= DC_TX_COALESCE|DC_TX_INTR_ALWAYS;
268 			sc->dc_flags |= DC_REDUCED_MII_POLL|DC_TX_STORENFWD;
269 			sc->dc_flags |= DC_TX_ALIGN;
270 			sc->dc_pmode = DC_PMODE_MII;
271 
272 			/* Increase the latency timer value. */
273 			command = pci_conf_read(pc, pa->pa_tag, DC_PCI_CFLT);
274 			command &= 0xFFFF00FF;
275 			command |= 0x00008000;
276 			pci_conf_write(pc, pa->pa_tag, DC_PCI_CFLT, command);
277 		}
278 		break;
279 	case PCI_VENDOR_ADMTEK:
280 	case PCI_VENDOR_3COM:
281 	case PCI_VENDOR_MICROSOFT:
282 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADMTEK_AL981) {
283 			found = 1;
284 			sc->dc_type = DC_TYPE_AL981;
285 			sc->dc_flags |= DC_TX_USE_TX_INTR;
286 			sc->dc_flags |= DC_TX_ADMTEK_WAR;
287 			sc->dc_pmode = DC_PMODE_MII;
288 			dc_read_srom(sc, sc->dc_romwidth);
289 		}
290 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADMTEK_ADM9511 ||
291 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADMTEK_ADM9513 ||
292 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ADMTEK_AN983 ||
293 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_3COM_3CSHO100BTX ||
294 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_MICROSOFT_MN130) {
295 			found = 1;
296 			sc->dc_type = DC_TYPE_AN983;
297 			sc->dc_flags |= DC_TX_USE_TX_INTR;
298 			sc->dc_flags |= DC_TX_ADMTEK_WAR;
299 			sc->dc_flags |= DC_64BIT_HASH;
300 			sc->dc_pmode = DC_PMODE_MII;
301 			/* Don't read SROM for - auto-loaded on reset */
302 		}
303 		break;
304 	case PCI_VENDOR_MACRONIX:
305 	case PCI_VENDOR_ACCTON:
306 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ACCTON_EN2242) {
307 			found = 1;
308 			sc->dc_type = DC_TYPE_AN983;
309 			sc->dc_flags |= DC_TX_USE_TX_INTR;
310 			sc->dc_flags |= DC_TX_ADMTEK_WAR;
311 			sc->dc_flags |= DC_64BIT_HASH;
312 			sc->dc_pmode = DC_PMODE_MII;
313 			/* Don't read SROM for - auto-loaded on reset */
314 		}
315 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_MACRONIX_MX98713) {
316 			found = 1;
317 			if (sc->dc_revision < DC_REVISION_98713A)
318 				sc->dc_type = DC_TYPE_98713;
319 			if (sc->dc_revision >= DC_REVISION_98713A) {
320 				sc->dc_type = DC_TYPE_98713A;
321 				sc->dc_flags |= DC_21143_NWAY;
322 			}
323 			sc->dc_flags |= DC_REDUCED_MII_POLL;
324 			sc->dc_flags |= DC_TX_POLL|DC_TX_USE_TX_INTR;
325 		}
326 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_MACRONIX_MX98715 ||
327 		    PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ACCTON_EN1217) {
328 			found = 1;
329 			if (sc->dc_revision >= DC_REVISION_98715AEC_C &&
330 			    sc->dc_revision < DC_REVISION_98725)
331 				sc->dc_flags |= DC_128BIT_HASH;
332 			sc->dc_type = DC_TYPE_987x5;
333 			sc->dc_flags |= DC_TX_POLL|DC_TX_USE_TX_INTR;
334 			sc->dc_flags |= DC_REDUCED_MII_POLL|DC_21143_NWAY;
335 		}
336 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_MACRONIX_MX98727) {
337 			found = 1;
338 			sc->dc_type = DC_TYPE_987x5;
339 			sc->dc_flags |= DC_TX_POLL|DC_TX_USE_TX_INTR;
340 			sc->dc_flags |= DC_REDUCED_MII_POLL|DC_21143_NWAY;
341 		}
342 		break;
343 	case PCI_VENDOR_COMPEX:
344 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_COMPEX_98713) {
345 			found = 1;
346 			if (sc->dc_revision < DC_REVISION_98713A) {
347 				sc->dc_type = DC_TYPE_98713;
348 				sc->dc_flags |= DC_REDUCED_MII_POLL;
349 			}
350 			if (sc->dc_revision >= DC_REVISION_98713A)
351 				sc->dc_type = DC_TYPE_98713A;
352 			sc->dc_flags |= DC_TX_POLL|DC_TX_USE_TX_INTR;
353 		}
354 		break;
355 	case PCI_VENDOR_LITEON:
356 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_LITEON_PNICII) {
357 			found = 1;
358 			sc->dc_type = DC_TYPE_PNICII;
359 			sc->dc_flags |= DC_TX_POLL|DC_TX_USE_TX_INTR;
360 			sc->dc_flags |= DC_REDUCED_MII_POLL|DC_21143_NWAY;
361 			sc->dc_flags |= DC_128BIT_HASH;
362 		}
363 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_LITEON_PNIC) {
364 			found = 1;
365 			sc->dc_type = DC_TYPE_PNIC;
366 			sc->dc_flags |= DC_TX_STORENFWD|DC_TX_INTR_ALWAYS;
367 			sc->dc_flags |= DC_PNIC_RX_BUG_WAR;
368 			sc->dc_pnic_rx_buf = malloc(ETHER_MAX_DIX_LEN * 5, M_DEVBUF,
369 			    M_NOWAIT);
370 			if (sc->dc_pnic_rx_buf == NULL)
371 				panic("dc_pci_attach");
372 			if (sc->dc_revision < DC_REVISION_82C169)
373 				sc->dc_pmode = DC_PMODE_SYM;
374 		}
375 		break;
376 	case PCI_VENDOR_ASIX:
377 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_ASIX_AX88140A) {
378 			found = 1;
379 			sc->dc_type = DC_TYPE_ASIX;
380 			sc->dc_flags |= DC_TX_USE_TX_INTR|DC_TX_INTR_FIRSTFRAG;
381 			sc->dc_flags |= DC_REDUCED_MII_POLL;
382 			sc->dc_pmode = DC_PMODE_MII;
383 		}
384 		break;
385 	case PCI_VENDOR_CONEXANT:
386 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_CONEXANT_RS7112) {
387 			found = 1;
388 			sc->dc_type = DC_TYPE_CONEXANT;
389 			sc->dc_flags |= DC_TX_INTR_ALWAYS;
390 			sc->dc_flags |= DC_REDUCED_MII_POLL;
391 			sc->dc_pmode = DC_PMODE_MII;
392 			dc_read_srom(sc, sc->dc_romwidth);
393 		}
394 		break;
395 	case PCI_VENDOR_XIRCOM:
396 		if (PCI_PRODUCT(pa->pa_id) == PCI_PRODUCT_XIRCOM_X3201_3_21143) {
397 			found = 1;
398 			sc->dc_type = DC_TYPE_XIRCOM;
399 			sc->dc_flags |= DC_TX_INTR_ALWAYS;
400 			sc->dc_flags |= DC_TX_COALESCE;
401 			sc->dc_flags |= DC_TX_ALIGN;
402 			sc->dc_pmode = DC_PMODE_MII;
403 		}
404 		break;
405 	}
406 	if (found == 0) {
407 		/* This shouldn't happen if probe has done its job... */
408 		printf(": unknown device: %x:%x\n",
409 		    PCI_VENDOR(pa->pa_id), PCI_PRODUCT(pa->pa_id));
410 		goto fail_2;
411 	}
412 
413 	/* Save the cache line size. */
414 	if (DC_IS_DAVICOM(sc))
415 		sc->dc_cachesize = 0;
416 	else
417 		sc->dc_cachesize = pci_conf_read(pc, pa->pa_tag,
418 		    DC_PCI_CFLT) & 0xFF;
419 
420 	/* Reset the adapter. */
421 	dc_reset(sc);
422 
423 	/* Take 21143 out of snooze mode */
424 	if (DC_IS_INTEL(sc) || DC_IS_XIRCOM(sc)) {
425 		command = pci_conf_read(pc, pa->pa_tag, DC_PCI_CFDD);
426 		command &= ~(DC_CFDD_SNOOZE_MODE|DC_CFDD_SLEEP_MODE);
427 		pci_conf_write(pc, pa->pa_tag, DC_PCI_CFDD, command);
428 	}
429 
430 	/*
431 	 * If we discover later (in dc_attach) that we have an
432 	 * MII with no PHY, we need to have the 21143 drive the LEDs.
433 	 * Except there are some systems like the NEC VersaPro NoteBook PC
434 	 * which have no LEDs, and twiddling these bits has adverse effects
435 	 * on them. (I.e. you suddenly can't get a link.)
436 	 *
437 	 * If mii_attach() returns an error, we leave the DC_TULIP_LEDS
438 	 * bit set, else we clear it. Since our dc(4) driver is split into
439 	 * bus-dependent and bus-independent parts, we must do set this bit
440 	 * here while we are able to do PCI configuration reads.
441 	 */
442 	if (DC_IS_INTEL(sc)) {
443 		if (pci_conf_read(pc, pa->pa_tag, DC_PCI_CSID) != 0x80281033)
444 			sc->dc_flags |= DC_TULIP_LEDS;
445 	}
446 
447 	/*
448 	 * Try to learn something about the supported media.
449 	 * We know that ASIX and ADMtek and Davicom devices
450 	 * will *always* be using MII media, so that's a no-brainer.
451 	 * The tricky ones are the Macronix/PNIC II and the
452 	 * Intel 21143.
453 	 */
454 	if (DC_IS_INTEL(sc))
455 		dc_parse_21143_srom(sc);
456 	else if (DC_IS_MACRONIX(sc) || DC_IS_PNICII(sc)) {
457 		if (sc->dc_type == DC_TYPE_98713)
458 			sc->dc_pmode = DC_PMODE_MII;
459 		else
460 			sc->dc_pmode = DC_PMODE_SYM;
461 	} else if (!sc->dc_pmode)
462 		sc->dc_pmode = DC_PMODE_MII;
463 
464 #ifdef __sparc64__
465 	{
466 		extern void myetheraddr(u_char *);
467 
468 		if (OF_getprop(PCITAG_NODE(pa->pa_tag), "local-mac-address",
469 		    sc->sc_arpcom.ac_enaddr, ETHER_ADDR_LEN) <= 0)
470 			myetheraddr(sc->sc_arpcom.ac_enaddr);
471 		if (sc->sc_arpcom.ac_enaddr[0] == 0x00 &&
472 		    sc->sc_arpcom.ac_enaddr[1] == 0x03 &&
473 		    sc->sc_arpcom.ac_enaddr[2] == 0xcc)
474 			sc->dc_flags |= DC_MOMENCO_BOTCH;
475 		sc->sc_hasmac = 1;
476 	}
477 #endif
478 
479 #ifdef SRM_MEDIA
480 	sc->dc_srm_media = 0;
481 
482 	/* Remember the SRM console media setting */
483 	if (DC_IS_INTEL(sc)) {
484 		command = pci_conf_read(pc, pa->pa_tag, DC_PCI_CFDD);
485 		command &= ~(DC_CFDD_SNOOZE_MODE|DC_CFDD_SLEEP_MODE);
486 		switch ((command >> 8) & 0xff) {
487 		case 3:
488 			sc->dc_srm_media = IFM_10_T;
489 			break;
490 		case 4:
491 			sc->dc_srm_media = IFM_10_T | IFM_FDX;
492 			break;
493 		case 5:
494 			sc->dc_srm_media = IFM_100_TX;
495 			break;
496 		case 6:
497 			sc->dc_srm_media = IFM_100_TX | IFM_FDX;
498 			break;
499 		}
500 		if (sc->dc_srm_media)
501 			sc->dc_srm_media |= IFM_ACTIVE | IFM_ETHER;
502 	}
503 #endif
504 	dc_attach(sc);
505 
506 	return;
507 
508 fail_2:
509 	pci_intr_disestablish(pc, sc->sc_ih);
510 
511 fail_1:
512 	bus_space_unmap(sc->dc_btag, sc->dc_bhandle, psc->psc_mapsize);
513 }
514 
515 int
516 dc_pci_detach(struct device *self, int flags)
517 {
518 	struct dc_pci_softc *psc = (void *)self;
519 	struct dc_softc *sc = &psc->psc_softc;
520 
521 	if (sc->sc_ih != NULL)
522 		pci_intr_disestablish(psc->psc_pc, sc->sc_ih);
523 	dc_detach(sc);
524 	bus_space_unmap(sc->dc_btag, sc->dc_bhandle, psc->psc_mapsize);
525 
526 	return (0);
527 }
528 
529 struct cfattach dc_pci_ca = {
530 	sizeof(struct dc_softc), dc_pci_match, dc_pci_attach, dc_pci_detach,
531 	dc_activate
532 };
533