tulip.c revision 1.153 1 /* $NetBSD: tulip.c,v 1.153 2007/09/29 18:32:51 scw Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 1999, 2000, 2002 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 /*
41 * Device driver for the Digital Semiconductor ``Tulip'' (21x4x)
42 * Ethernet controller family, and a variety of clone chips.
43 */
44
45 #include <sys/cdefs.h>
46 __KERNEL_RCSID(0, "$NetBSD: tulip.c,v 1.153 2007/09/29 18:32:51 scw Exp $");
47
48 #include "bpfilter.h"
49
50 #include <sys/param.h>
51 #include <sys/systm.h>
52 #include <sys/callout.h>
53 #include <sys/mbuf.h>
54 #include <sys/malloc.h>
55 #include <sys/kernel.h>
56 #include <sys/socket.h>
57 #include <sys/ioctl.h>
58 #include <sys/errno.h>
59 #include <sys/device.h>
60
61 #include <machine/endian.h>
62
63 #include <uvm/uvm_extern.h>
64
65 #include <net/if.h>
66 #include <net/if_dl.h>
67 #include <net/if_media.h>
68 #include <net/if_ether.h>
69
70 #if NBPFILTER > 0
71 #include <net/bpf.h>
72 #endif
73
74 #include <machine/bus.h>
75 #include <machine/intr.h>
76
77 #include <dev/mii/mii.h>
78 #include <dev/mii/miivar.h>
79 #include <dev/mii/mii_bitbang.h>
80
81 #include <dev/ic/tulipreg.h>
82 #include <dev/ic/tulipvar.h>
83
84 const char * const tlp_chip_names[] = TULIP_CHIP_NAMES;
85
86 static const struct tulip_txthresh_tab tlp_10_txthresh_tab[] =
87 TLP_TXTHRESH_TAB_10;
88
89 static const struct tulip_txthresh_tab tlp_10_100_txthresh_tab[] =
90 TLP_TXTHRESH_TAB_10_100;
91
92 static const struct tulip_txthresh_tab tlp_winb_txthresh_tab[] =
93 TLP_TXTHRESH_TAB_WINB;
94
95 static const struct tulip_txthresh_tab tlp_dm9102_txthresh_tab[] =
96 TLP_TXTHRESH_TAB_DM9102;
97
98 static void tlp_start(struct ifnet *);
99 static void tlp_watchdog(struct ifnet *);
100 static int tlp_ioctl(struct ifnet *, u_long, void *);
101 static int tlp_init(struct ifnet *);
102 static void tlp_stop(struct ifnet *, int);
103
104 static void tlp_shutdown(void *);
105
106 static void tlp_rxdrain(struct tulip_softc *);
107 static int tlp_add_rxbuf(struct tulip_softc *, int);
108 static void tlp_srom_idle(struct tulip_softc *);
109 static int tlp_srom_size(struct tulip_softc *);
110
111 static int tlp_enable(struct tulip_softc *);
112 static void tlp_disable(struct tulip_softc *);
113 static void tlp_power(int, void *);
114
115 static void tlp_filter_setup(struct tulip_softc *);
116 static void tlp_winb_filter_setup(struct tulip_softc *);
117 static void tlp_al981_filter_setup(struct tulip_softc *);
118 static void tlp_asix_filter_setup(struct tulip_softc *);
119
120 static void tlp_rxintr(struct tulip_softc *);
121 static void tlp_txintr(struct tulip_softc *);
122
123 static void tlp_mii_tick(void *);
124 static void tlp_mii_statchg(struct device *);
125 static void tlp_winb_mii_statchg(struct device *);
126 static void tlp_dm9102_mii_statchg(struct device *);
127
128 static void tlp_mii_getmedia(struct tulip_softc *, struct ifmediareq *);
129 static int tlp_mii_setmedia(struct tulip_softc *);
130
131 static int tlp_bitbang_mii_readreg(struct device *, int, int);
132 static void tlp_bitbang_mii_writereg(struct device *, int, int, int);
133
134 static int tlp_pnic_mii_readreg(struct device *, int, int);
135 static void tlp_pnic_mii_writereg(struct device *, int, int, int);
136
137 static int tlp_al981_mii_readreg(struct device *, int, int);
138 static void tlp_al981_mii_writereg(struct device *, int, int, int);
139
140 static void tlp_2114x_preinit(struct tulip_softc *);
141 static void tlp_2114x_mii_preinit(struct tulip_softc *);
142 static void tlp_pnic_preinit(struct tulip_softc *);
143 static void tlp_dm9102_preinit(struct tulip_softc *);
144 static void tlp_asix_preinit(struct tulip_softc *);
145
146 static void tlp_21140_reset(struct tulip_softc *);
147 static void tlp_21142_reset(struct tulip_softc *);
148 static void tlp_pmac_reset(struct tulip_softc *);
149 #if 0
150 static void tlp_dm9102_reset(struct tulip_softc *);
151 #endif
152
153 static void tlp_2114x_nway_tick(void *);
154
155 #define tlp_mchash(addr, sz) \
156 (ether_crc32_le((addr), ETHER_ADDR_LEN) & ((sz) - 1))
157
158 /*
159 * MII bit-bang glue.
160 */
161 static u_int32_t tlp_sio_mii_bitbang_read(struct device *);
162 static void tlp_sio_mii_bitbang_write(struct device *, u_int32_t);
163
164 static const struct mii_bitbang_ops tlp_sio_mii_bitbang_ops = {
165 tlp_sio_mii_bitbang_read,
166 tlp_sio_mii_bitbang_write,
167 {
168 MIIROM_MDO, /* MII_BIT_MDO */
169 MIIROM_MDI, /* MII_BIT_MDI */
170 MIIROM_MDC, /* MII_BIT_MDC */
171 0, /* MII_BIT_DIR_HOST_PHY */
172 MIIROM_MIIDIR, /* MII_BIT_DIR_PHY_HOST */
173 }
174 };
175
176 #ifdef TLP_DEBUG
177 #define DPRINTF(sc, x) if ((sc)->sc_ethercom.ec_if.if_flags & IFF_DEBUG) \
178 printf x
179 #else
180 #define DPRINTF(sc, x) /* nothing */
181 #endif
182
183 #ifdef TLP_STATS
184 static void tlp_print_stats(struct tulip_softc *);
185 #endif
186
187 /*
188 * Can be used to debug the SROM-related things, including contents.
189 * Initialized so that it's patchable.
190 */
191 int tlp_srom_debug = 0;
192
193 /*
194 * tlp_attach:
195 *
196 * Attach a Tulip interface to the system.
197 */
198 void
199 tlp_attach(struct tulip_softc *sc, const u_int8_t *enaddr)
200 {
201 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
202 int i, error;
203
204 callout_init(&sc->sc_nway_callout, 0);
205 callout_init(&sc->sc_tick_callout, 0);
206
207 /*
208 * NOTE: WE EXPECT THE FRONT-END TO INITIALIZE sc_regshift!
209 */
210
211 /*
212 * Setup the transmit threshold table.
213 */
214 switch (sc->sc_chip) {
215 case TULIP_CHIP_DE425:
216 case TULIP_CHIP_21040:
217 case TULIP_CHIP_21041:
218 sc->sc_txth = tlp_10_txthresh_tab;
219 break;
220
221 case TULIP_CHIP_DM9102:
222 case TULIP_CHIP_DM9102A:
223 sc->sc_txth = tlp_dm9102_txthresh_tab;
224 break;
225
226 default:
227 sc->sc_txth = tlp_10_100_txthresh_tab;
228 break;
229 }
230
231 /*
232 * Setup the filter setup function.
233 */
234 switch (sc->sc_chip) {
235 case TULIP_CHIP_WB89C840F:
236 sc->sc_filter_setup = tlp_winb_filter_setup;
237 break;
238
239 case TULIP_CHIP_AL981:
240 case TULIP_CHIP_AN983:
241 case TULIP_CHIP_AN985:
242 sc->sc_filter_setup = tlp_al981_filter_setup;
243 break;
244
245 case TULIP_CHIP_AX88140:
246 case TULIP_CHIP_AX88141:
247 sc->sc_filter_setup = tlp_asix_filter_setup;
248 break;
249
250 default:
251 sc->sc_filter_setup = tlp_filter_setup;
252 break;
253 }
254
255 /*
256 * Set up the media status change function.
257 */
258 switch (sc->sc_chip) {
259 case TULIP_CHIP_WB89C840F:
260 sc->sc_statchg = tlp_winb_mii_statchg;
261 break;
262
263 case TULIP_CHIP_DM9102:
264 case TULIP_CHIP_DM9102A:
265 sc->sc_statchg = tlp_dm9102_mii_statchg;
266 break;
267
268 default:
269 /*
270 * We may override this if we have special media
271 * handling requirements (e.g. flipping GPIO pins).
272 *
273 * The pure-MII statchg function covers the basics.
274 */
275 sc->sc_statchg = tlp_mii_statchg;
276 break;
277 }
278
279 /*
280 * Default to no FS|LS in setup packet descriptors. They're
281 * supposed to be zero according to the 21040 and 21143
282 * manuals, and some chips fall over badly if they're
283 * included. Yet, other chips seem to require them. Sigh.
284 */
285 switch (sc->sc_chip) {
286 case TULIP_CHIP_X3201_3:
287 sc->sc_setup_fsls = TDCTL_Tx_FS|TDCTL_Tx_LS;
288 break;
289
290 default:
291 sc->sc_setup_fsls = 0;
292 }
293
294 /*
295 * Set up various chip-specific quirks.
296 *
297 * Note that wherever we can, we use the "ring" option for
298 * transmit and receive descriptors. This is because some
299 * clone chips apparently have problems when using chaining,
300 * although some *only* support chaining.
301 *
302 * What we do is always program the "next" pointer, and then
303 * conditionally set the TDCTL_CH and TDCTL_ER bits in the
304 * appropriate places.
305 */
306 switch (sc->sc_chip) {
307 case TULIP_CHIP_21140:
308 case TULIP_CHIP_21140A:
309 case TULIP_CHIP_21142:
310 case TULIP_CHIP_21143:
311 case TULIP_CHIP_82C115: /* 21143-like */
312 case TULIP_CHIP_MX98713: /* 21140-like */
313 case TULIP_CHIP_MX98713A: /* 21143-like */
314 case TULIP_CHIP_MX98715: /* 21143-like */
315 case TULIP_CHIP_MX98715A: /* 21143-like */
316 case TULIP_CHIP_MX98715AEC_X: /* 21143-like */
317 case TULIP_CHIP_MX98725: /* 21143-like */
318 case TULIP_CHIP_RS7112: /* 21143-like */
319 /*
320 * Run these chips in ring mode.
321 */
322 sc->sc_tdctl_ch = 0;
323 sc->sc_tdctl_er = TDCTL_ER;
324 sc->sc_preinit = tlp_2114x_preinit;
325 break;
326
327 case TULIP_CHIP_82C168:
328 case TULIP_CHIP_82C169:
329 /*
330 * Run these chips in ring mode.
331 */
332 sc->sc_tdctl_ch = 0;
333 sc->sc_tdctl_er = TDCTL_ER;
334 sc->sc_preinit = tlp_pnic_preinit;
335
336 /*
337 * These chips seem to have busted DMA engines; just put them
338 * in Store-and-Forward mode from the get-go.
339 */
340 sc->sc_txthresh = TXTH_SF;
341 break;
342
343 case TULIP_CHIP_WB89C840F:
344 /*
345 * Run this chip in chained mode.
346 */
347 sc->sc_tdctl_ch = TDCTL_CH;
348 sc->sc_tdctl_er = 0;
349 sc->sc_flags |= TULIPF_IC_FS;
350 break;
351
352 case TULIP_CHIP_DM9102:
353 case TULIP_CHIP_DM9102A:
354 /*
355 * Run these chips in chained mode.
356 */
357 sc->sc_tdctl_ch = TDCTL_CH;
358 sc->sc_tdctl_er = 0;
359 sc->sc_preinit = tlp_dm9102_preinit;
360
361 /*
362 * These chips have a broken bus interface, so we
363 * can't use any optimized bus commands. For this
364 * reason, we tend to underrun pretty quickly, so
365 * just to Store-and-Forward mode from the get-go.
366 */
367 sc->sc_txthresh = TXTH_DM9102_SF;
368 break;
369
370 case TULIP_CHIP_AX88140:
371 case TULIP_CHIP_AX88141:
372 /*
373 * Run these chips in ring mode.
374 */
375 sc->sc_tdctl_ch = 0;
376 sc->sc_tdctl_er = TDCTL_ER;
377 sc->sc_preinit = tlp_asix_preinit;
378 break;
379
380 default:
381 /*
382 * Default to running in ring mode.
383 */
384 sc->sc_tdctl_ch = 0;
385 sc->sc_tdctl_er = TDCTL_ER;
386 }
387
388 /*
389 * Set up the MII bit-bang operations.
390 */
391 switch (sc->sc_chip) {
392 case TULIP_CHIP_WB89C840F: /* XXX direction bit different? */
393 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops;
394 break;
395
396 default:
397 sc->sc_bitbang_ops = &tlp_sio_mii_bitbang_ops;
398 }
399
400 SIMPLEQ_INIT(&sc->sc_txfreeq);
401 SIMPLEQ_INIT(&sc->sc_txdirtyq);
402
403 /*
404 * Allocate the control data structures, and create and load the
405 * DMA map for it.
406 */
407 if ((error = bus_dmamem_alloc(sc->sc_dmat,
408 sizeof(struct tulip_control_data), PAGE_SIZE, 0, &sc->sc_cdseg,
409 1, &sc->sc_cdnseg, 0)) != 0) {
410 printf("%s: unable to allocate control data, error = %d\n",
411 sc->sc_dev.dv_xname, error);
412 goto fail_0;
413 }
414
415 if ((error = bus_dmamem_map(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg,
416 sizeof(struct tulip_control_data), (void **)&sc->sc_control_data,
417 BUS_DMA_COHERENT)) != 0) {
418 printf("%s: unable to map control data, error = %d\n",
419 sc->sc_dev.dv_xname, error);
420 goto fail_1;
421 }
422
423 if ((error = bus_dmamap_create(sc->sc_dmat,
424 sizeof(struct tulip_control_data), 1,
425 sizeof(struct tulip_control_data), 0, 0, &sc->sc_cddmamap)) != 0) {
426 printf("%s: unable to create control data DMA map, "
427 "error = %d\n", sc->sc_dev.dv_xname, error);
428 goto fail_2;
429 }
430
431 if ((error = bus_dmamap_load(sc->sc_dmat, sc->sc_cddmamap,
432 sc->sc_control_data, sizeof(struct tulip_control_data), NULL,
433 0)) != 0) {
434 printf("%s: unable to load control data DMA map, error = %d\n",
435 sc->sc_dev.dv_xname, error);
436 goto fail_3;
437 }
438
439 /*
440 * Create the transmit buffer DMA maps.
441 *
442 * Note that on the Xircom clone, transmit buffers must be
443 * 4-byte aligned. We're almost guaranteed to have to copy
444 * the packet in that case, so we just limit ourselves to
445 * one segment.
446 *
447 * On the DM9102, the transmit logic can only handle one
448 * DMA segment.
449 */
450 switch (sc->sc_chip) {
451 case TULIP_CHIP_X3201_3:
452 case TULIP_CHIP_DM9102:
453 case TULIP_CHIP_DM9102A:
454 case TULIP_CHIP_AX88140:
455 case TULIP_CHIP_AX88141:
456 sc->sc_ntxsegs = 1;
457 break;
458
459 default:
460 sc->sc_ntxsegs = TULIP_NTXSEGS;
461 }
462 for (i = 0; i < TULIP_TXQUEUELEN; i++) {
463 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES,
464 sc->sc_ntxsegs, MCLBYTES, 0, 0,
465 &sc->sc_txsoft[i].txs_dmamap)) != 0) {
466 printf("%s: unable to create tx DMA map %d, "
467 "error = %d\n", sc->sc_dev.dv_xname, i, error);
468 goto fail_4;
469 }
470 }
471
472 /*
473 * Create the receive buffer DMA maps.
474 */
475 for (i = 0; i < TULIP_NRXDESC; i++) {
476 if ((error = bus_dmamap_create(sc->sc_dmat, MCLBYTES, 1,
477 MCLBYTES, 0, 0, &sc->sc_rxsoft[i].rxs_dmamap)) != 0) {
478 printf("%s: unable to create rx DMA map %d, "
479 "error = %d\n", sc->sc_dev.dv_xname, i, error);
480 goto fail_5;
481 }
482 sc->sc_rxsoft[i].rxs_mbuf = NULL;
483 }
484
485 /*
486 * From this point forward, the attachment cannot fail. A failure
487 * before this point releases all resources that may have been
488 * allocated.
489 */
490 sc->sc_flags |= TULIPF_ATTACHED;
491
492 /*
493 * Reset the chip to a known state.
494 */
495 tlp_reset(sc);
496
497 /* Announce ourselves. */
498 printf("%s: %s%sEthernet address %s\n", sc->sc_dev.dv_xname,
499 sc->sc_name[0] != '\0' ? sc->sc_name : "",
500 sc->sc_name[0] != '\0' ? ", " : "",
501 ether_sprintf(enaddr));
502
503 /*
504 * Check to see if we're the simulated Ethernet on Connectix
505 * Virtual PC.
506 */
507 if (enaddr[0] == 0x00 && enaddr[1] == 0x03 && enaddr[2] == 0xff)
508 sc->sc_flags |= TULIPF_VPC;
509
510 /*
511 * Initialize our media structures. This may probe the MII, if
512 * present.
513 */
514 (*sc->sc_mediasw->tmsw_init)(sc);
515
516 strcpy(ifp->if_xname, sc->sc_dev.dv_xname);
517 ifp->if_softc = sc;
518 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST;
519 sc->sc_if_flags = ifp->if_flags;
520 ifp->if_ioctl = tlp_ioctl;
521 ifp->if_start = tlp_start;
522 ifp->if_watchdog = tlp_watchdog;
523 ifp->if_init = tlp_init;
524 ifp->if_stop = tlp_stop;
525 IFQ_SET_READY(&ifp->if_snd);
526
527 /*
528 * We can support 802.1Q VLAN-sized frames.
529 */
530 sc->sc_ethercom.ec_capabilities |= ETHERCAP_VLAN_MTU;
531
532 /*
533 * Attach the interface.
534 */
535 if_attach(ifp);
536 ether_ifattach(ifp, enaddr);
537 #if NRND > 0
538 rnd_attach_source(&sc->sc_rnd_source, sc->sc_dev.dv_xname,
539 RND_TYPE_NET, 0);
540 #endif
541
542 /*
543 * Make sure the interface is shutdown during reboot.
544 */
545 sc->sc_sdhook = shutdownhook_establish(tlp_shutdown, sc);
546 if (sc->sc_sdhook == NULL)
547 printf("%s: WARNING: unable to establish shutdown hook\n",
548 sc->sc_dev.dv_xname);
549
550 /*
551 * Add a suspend hook to make sure we come back up after a
552 * resume.
553 */
554 sc->sc_powerhook = powerhook_establish(sc->sc_dev.dv_xname,
555 tlp_power, sc);
556 if (sc->sc_powerhook == NULL)
557 printf("%s: WARNING: unable to establish power hook\n",
558 sc->sc_dev.dv_xname);
559 return;
560
561 /*
562 * Free any resources we've allocated during the failed attach
563 * attempt. Do this in reverse order and fall through.
564 */
565 fail_5:
566 for (i = 0; i < TULIP_NRXDESC; i++) {
567 if (sc->sc_rxsoft[i].rxs_dmamap != NULL)
568 bus_dmamap_destroy(sc->sc_dmat,
569 sc->sc_rxsoft[i].rxs_dmamap);
570 }
571 fail_4:
572 for (i = 0; i < TULIP_TXQUEUELEN; i++) {
573 if (sc->sc_txsoft[i].txs_dmamap != NULL)
574 bus_dmamap_destroy(sc->sc_dmat,
575 sc->sc_txsoft[i].txs_dmamap);
576 }
577 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap);
578 fail_3:
579 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap);
580 fail_2:
581 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data,
582 sizeof(struct tulip_control_data));
583 fail_1:
584 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg);
585 fail_0:
586 return;
587 }
588
589 /*
590 * tlp_activate:
591 *
592 * Handle device activation/deactivation requests.
593 */
594 int
595 tlp_activate(struct device *self, enum devact act)
596 {
597 struct tulip_softc *sc = (void *) self;
598 int s, error = 0;
599
600 s = splnet();
601 switch (act) {
602 case DVACT_ACTIVATE:
603 error = EOPNOTSUPP;
604 break;
605
606 case DVACT_DEACTIVATE:
607 if (sc->sc_flags & TULIPF_HAS_MII)
608 mii_activate(&sc->sc_mii, act, MII_PHY_ANY,
609 MII_OFFSET_ANY);
610 if_deactivate(&sc->sc_ethercom.ec_if);
611 break;
612 }
613 splx(s);
614
615 return (error);
616 }
617
618 /*
619 * tlp_detach:
620 *
621 * Detach a Tulip interface.
622 */
623 int
624 tlp_detach(struct tulip_softc *sc)
625 {
626 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
627 struct tulip_rxsoft *rxs;
628 struct tulip_txsoft *txs;
629 int i;
630
631 /*
632 * Succeed now if there isn't any work to do.
633 */
634 if ((sc->sc_flags & TULIPF_ATTACHED) == 0)
635 return (0);
636
637 /* Unhook our tick handler. */
638 if (sc->sc_tick)
639 callout_stop(&sc->sc_tick_callout);
640
641 if (sc->sc_flags & TULIPF_HAS_MII) {
642 /* Detach all PHYs */
643 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY);
644 }
645
646 /* Delete all remaining media. */
647 ifmedia_delete_instance(&sc->sc_mii.mii_media, IFM_INST_ANY);
648
649 #if NRND > 0
650 rnd_detach_source(&sc->sc_rnd_source);
651 #endif
652 ether_ifdetach(ifp);
653 if_detach(ifp);
654
655 for (i = 0; i < TULIP_NRXDESC; i++) {
656 rxs = &sc->sc_rxsoft[i];
657 if (rxs->rxs_mbuf != NULL) {
658 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap);
659 m_freem(rxs->rxs_mbuf);
660 rxs->rxs_mbuf = NULL;
661 }
662 bus_dmamap_destroy(sc->sc_dmat, rxs->rxs_dmamap);
663 }
664 for (i = 0; i < TULIP_TXQUEUELEN; i++) {
665 txs = &sc->sc_txsoft[i];
666 if (txs->txs_mbuf != NULL) {
667 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap);
668 m_freem(txs->txs_mbuf);
669 txs->txs_mbuf = NULL;
670 }
671 bus_dmamap_destroy(sc->sc_dmat, txs->txs_dmamap);
672 }
673 bus_dmamap_unload(sc->sc_dmat, sc->sc_cddmamap);
674 bus_dmamap_destroy(sc->sc_dmat, sc->sc_cddmamap);
675 bus_dmamem_unmap(sc->sc_dmat, (void *)sc->sc_control_data,
676 sizeof(struct tulip_control_data));
677 bus_dmamem_free(sc->sc_dmat, &sc->sc_cdseg, sc->sc_cdnseg);
678
679 shutdownhook_disestablish(sc->sc_sdhook);
680 powerhook_disestablish(sc->sc_powerhook);
681
682 if (sc->sc_srom)
683 free(sc->sc_srom, M_DEVBUF);
684
685 return (0);
686 }
687
688 /*
689 * tlp_shutdown:
690 *
691 * Make sure the interface is stopped at reboot time.
692 */
693 static void
694 tlp_shutdown(void *arg)
695 {
696 struct tulip_softc *sc = arg;
697
698 tlp_stop(&sc->sc_ethercom.ec_if, 1);
699 }
700
701 /*
702 * tlp_start: [ifnet interface function]
703 *
704 * Start packet transmission on the interface.
705 */
706 static void
707 tlp_start(struct ifnet *ifp)
708 {
709 struct tulip_softc *sc = ifp->if_softc;
710 struct mbuf *m0, *m;
711 struct tulip_txsoft *txs, *last_txs = NULL;
712 bus_dmamap_t dmamap;
713 int error, firsttx, nexttx, lasttx = 1, ofree, seg;
714
715 DPRINTF(sc, ("%s: tlp_start: sc_flags 0x%08x, if_flags 0x%08x\n",
716 sc->sc_dev.dv_xname, sc->sc_flags, ifp->if_flags));
717
718 /*
719 * If we want a filter setup, it means no more descriptors were
720 * available for the setup routine. Let it get a chance to wedge
721 * itself into the ring.
722 */
723 if (sc->sc_flags & TULIPF_WANT_SETUP)
724 ifp->if_flags |= IFF_OACTIVE;
725
726 if ((ifp->if_flags & (IFF_RUNNING|IFF_OACTIVE)) != IFF_RUNNING)
727 return;
728
729 if (sc->sc_tick == tlp_2114x_nway_tick &&
730 (sc->sc_flags & TULIPF_LINK_UP) == 0 && ifp->if_snd.ifq_len < 10)
731 return;
732
733 /*
734 * Remember the previous number of free descriptors and
735 * the first descriptor we'll use.
736 */
737 ofree = sc->sc_txfree;
738 firsttx = sc->sc_txnext;
739
740 DPRINTF(sc, ("%s: tlp_start: txfree %d, txnext %d\n",
741 sc->sc_dev.dv_xname, ofree, firsttx));
742
743 /*
744 * Loop through the send queue, setting up transmit descriptors
745 * until we drain the queue, or use up all available transmit
746 * descriptors.
747 */
748 while ((txs = SIMPLEQ_FIRST(&sc->sc_txfreeq)) != NULL &&
749 sc->sc_txfree != 0) {
750 /*
751 * Grab a packet off the queue.
752 */
753 IFQ_POLL(&ifp->if_snd, m0);
754 if (m0 == NULL)
755 break;
756 m = NULL;
757
758 dmamap = txs->txs_dmamap;
759
760 /*
761 * Load the DMA map. If this fails, the packet either
762 * didn't fit in the alloted number of segments, or we were
763 * short on resources. In this case, we'll copy and try
764 * again.
765 *
766 * Note that if we're only allowed 1 Tx segment, we
767 * have an alignment restriction. Do this test before
768 * attempting to load the DMA map, because it's more
769 * likely we'll trip the alignment test than the
770 * more-than-one-segment test.
771 */
772 if ((sc->sc_ntxsegs == 1 && (mtod(m0, uintptr_t) & 3) != 0) ||
773 bus_dmamap_load_mbuf(sc->sc_dmat, dmamap, m0,
774 BUS_DMA_WRITE|BUS_DMA_NOWAIT) != 0) {
775 MGETHDR(m, M_DONTWAIT, MT_DATA);
776 if (m == NULL) {
777 printf("%s: unable to allocate Tx mbuf\n",
778 sc->sc_dev.dv_xname);
779 break;
780 }
781 MCLAIM(m, &sc->sc_ethercom.ec_tx_mowner);
782 if (m0->m_pkthdr.len > MHLEN) {
783 MCLGET(m, M_DONTWAIT);
784 if ((m->m_flags & M_EXT) == 0) {
785 printf("%s: unable to allocate Tx "
786 "cluster\n", sc->sc_dev.dv_xname);
787 m_freem(m);
788 break;
789 }
790 }
791 m_copydata(m0, 0, m0->m_pkthdr.len, mtod(m, void *));
792 m->m_pkthdr.len = m->m_len = m0->m_pkthdr.len;
793 error = bus_dmamap_load_mbuf(sc->sc_dmat, dmamap,
794 m, BUS_DMA_WRITE|BUS_DMA_NOWAIT);
795 if (error) {
796 printf("%s: unable to load Tx buffer, "
797 "error = %d\n", sc->sc_dev.dv_xname, error);
798 break;
799 }
800 }
801
802 /*
803 * Ensure we have enough descriptors free to describe
804 * the packet.
805 */
806 if (dmamap->dm_nsegs > sc->sc_txfree) {
807 /*
808 * Not enough free descriptors to transmit this
809 * packet. We haven't committed to anything yet,
810 * so just unload the DMA map, put the packet
811 * back on the queue, and punt. Notify the upper
812 * layer that there are no more slots left.
813 *
814 * XXX We could allocate an mbuf and copy, but
815 * XXX it is worth it?
816 */
817 ifp->if_flags |= IFF_OACTIVE;
818 bus_dmamap_unload(sc->sc_dmat, dmamap);
819 if (m != NULL)
820 m_freem(m);
821 break;
822 }
823
824 IFQ_DEQUEUE(&ifp->if_snd, m0);
825 if (m != NULL) {
826 m_freem(m0);
827 m0 = m;
828 }
829
830 /*
831 * WE ARE NOW COMMITTED TO TRANSMITTING THE PACKET.
832 */
833
834 /* Sync the DMA map. */
835 bus_dmamap_sync(sc->sc_dmat, dmamap, 0, dmamap->dm_mapsize,
836 BUS_DMASYNC_PREWRITE);
837
838 /*
839 * Initialize the transmit descriptors.
840 */
841 for (nexttx = sc->sc_txnext, seg = 0;
842 seg < dmamap->dm_nsegs;
843 seg++, nexttx = TULIP_NEXTTX(nexttx)) {
844 /*
845 * If this is the first descriptor we're
846 * enqueueing, don't set the OWN bit just
847 * yet. That could cause a race condition.
848 * We'll do it below.
849 */
850 sc->sc_txdescs[nexttx].td_status =
851 (nexttx == firsttx) ? 0 : htole32(TDSTAT_OWN);
852 sc->sc_txdescs[nexttx].td_bufaddr1 =
853 htole32(dmamap->dm_segs[seg].ds_addr);
854 sc->sc_txdescs[nexttx].td_ctl =
855 htole32((dmamap->dm_segs[seg].ds_len <<
856 TDCTL_SIZE1_SHIFT) | sc->sc_tdctl_ch |
857 (nexttx == (TULIP_NTXDESC - 1) ?
858 sc->sc_tdctl_er : 0));
859 lasttx = nexttx;
860 }
861
862 KASSERT(lasttx != -1);
863
864 /* Set `first segment' and `last segment' appropriately. */
865 sc->sc_txdescs[sc->sc_txnext].td_ctl |= htole32(TDCTL_Tx_FS);
866 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_LS);
867
868 #ifdef TLP_DEBUG
869 if (ifp->if_flags & IFF_DEBUG) {
870 printf(" txsoft %p transmit chain:\n", txs);
871 for (seg = sc->sc_txnext;; seg = TULIP_NEXTTX(seg)) {
872 printf(" descriptor %d:\n", seg);
873 printf(" td_status: 0x%08x\n",
874 le32toh(sc->sc_txdescs[seg].td_status));
875 printf(" td_ctl: 0x%08x\n",
876 le32toh(sc->sc_txdescs[seg].td_ctl));
877 printf(" td_bufaddr1: 0x%08x\n",
878 le32toh(sc->sc_txdescs[seg].td_bufaddr1));
879 printf(" td_bufaddr2: 0x%08x\n",
880 le32toh(sc->sc_txdescs[seg].td_bufaddr2));
881 if (seg == lasttx)
882 break;
883 }
884 }
885 #endif
886
887 /* Sync the descriptors we're using. */
888 TULIP_CDTXSYNC(sc, sc->sc_txnext, dmamap->dm_nsegs,
889 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
890
891 /*
892 * Store a pointer to the packet so we can free it later,
893 * and remember what txdirty will be once the packet is
894 * done.
895 */
896 txs->txs_mbuf = m0;
897 txs->txs_firstdesc = sc->sc_txnext;
898 txs->txs_lastdesc = lasttx;
899 txs->txs_ndescs = dmamap->dm_nsegs;
900
901 /* Advance the tx pointer. */
902 sc->sc_txfree -= dmamap->dm_nsegs;
903 sc->sc_txnext = nexttx;
904
905 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q);
906 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q);
907
908 last_txs = txs;
909
910 #if NBPFILTER > 0
911 /*
912 * Pass the packet to any BPF listeners.
913 */
914 if (ifp->if_bpf)
915 bpf_mtap(ifp->if_bpf, m0);
916 #endif /* NBPFILTER > 0 */
917 }
918
919 if (txs == NULL || sc->sc_txfree == 0) {
920 /* No more slots left; notify upper layer. */
921 ifp->if_flags |= IFF_OACTIVE;
922 }
923
924 if (sc->sc_txfree != ofree) {
925 DPRINTF(sc, ("%s: packets enqueued, IC on %d, OWN on %d\n",
926 sc->sc_dev.dv_xname, lasttx, firsttx));
927 /*
928 * Cause a transmit interrupt to happen on the
929 * last packet we enqueued.
930 */
931 sc->sc_txdescs[lasttx].td_ctl |= htole32(TDCTL_Tx_IC);
932 TULIP_CDTXSYNC(sc, lasttx, 1,
933 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
934
935 /*
936 * Some clone chips want IC on the *first* segment in
937 * the packet. Appease them.
938 */
939 KASSERT(last_txs != NULL);
940 if ((sc->sc_flags & TULIPF_IC_FS) != 0 &&
941 last_txs->txs_firstdesc != lasttx) {
942 sc->sc_txdescs[last_txs->txs_firstdesc].td_ctl |=
943 htole32(TDCTL_Tx_IC);
944 TULIP_CDTXSYNC(sc, last_txs->txs_firstdesc, 1,
945 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
946 }
947
948 /*
949 * The entire packet chain is set up. Give the
950 * first descriptor to the chip now.
951 */
952 sc->sc_txdescs[firsttx].td_status |= htole32(TDSTAT_OWN);
953 TULIP_CDTXSYNC(sc, firsttx, 1,
954 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
955
956 /* Wake up the transmitter. */
957 /* XXX USE AUTOPOLLING? */
958 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD);
959
960 /* Set a watchdog timer in case the chip flakes out. */
961 ifp->if_timer = 5;
962 }
963 }
964
965 /*
966 * tlp_watchdog: [ifnet interface function]
967 *
968 * Watchdog timer handler.
969 */
970 static void
971 tlp_watchdog(struct ifnet *ifp)
972 {
973 struct tulip_softc *sc = ifp->if_softc;
974 int doing_setup, doing_transmit;
975
976 doing_setup = (sc->sc_flags & TULIPF_DOING_SETUP);
977 doing_transmit = (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq));
978
979 if (doing_setup && doing_transmit) {
980 printf("%s: filter setup and transmit timeout\n",
981 sc->sc_dev.dv_xname);
982 ifp->if_oerrors++;
983 } else if (doing_transmit) {
984 printf("%s: transmit timeout\n", sc->sc_dev.dv_xname);
985 ifp->if_oerrors++;
986 } else if (doing_setup)
987 printf("%s: filter setup timeout\n", sc->sc_dev.dv_xname);
988 else
989 printf("%s: spurious watchdog timeout\n", sc->sc_dev.dv_xname);
990
991 (void) tlp_init(ifp);
992
993 /* Try to get more packets going. */
994 tlp_start(ifp);
995 }
996
997 /*
998 * tlp_ioctl: [ifnet interface function]
999 *
1000 * Handle control requests from the operator.
1001 */
1002 static int
1003 tlp_ioctl(struct ifnet *ifp, u_long cmd, void *data)
1004 {
1005 struct tulip_softc *sc = ifp->if_softc;
1006 struct ifreq *ifr = (struct ifreq *)data;
1007 int s, error;
1008
1009 s = splnet();
1010
1011 switch (cmd) {
1012 case SIOCSIFMEDIA:
1013 case SIOCGIFMEDIA:
1014 error = ifmedia_ioctl(ifp, ifr, &sc->sc_mii.mii_media, cmd);
1015 break;
1016 case SIOCSIFFLAGS:
1017 /* If the interface is up and running, only modify the receive
1018 * filter when setting promiscuous or debug mode. Otherwise
1019 * fall through to ether_ioctl, which will reset the chip.
1020 */
1021 #define RESETIGN (IFF_CANTCHANGE|IFF_DEBUG)
1022 if (((ifp->if_flags & (IFF_UP|IFF_RUNNING))
1023 == (IFF_UP|IFF_RUNNING))
1024 && ((ifp->if_flags & (~RESETIGN))
1025 == (sc->sc_if_flags & (~RESETIGN)))) {
1026 /* Set up the receive filter. */
1027 (*sc->sc_filter_setup)(sc);
1028 error = 0;
1029 break;
1030 #undef RESETIGN
1031 }
1032 /* FALLTHROUGH */
1033 default:
1034 error = ether_ioctl(ifp, cmd, data);
1035 if (error == ENETRESET) {
1036 if (ifp->if_flags & IFF_RUNNING) {
1037 /*
1038 * Multicast list has changed. Set the
1039 * hardware filter accordingly.
1040 */
1041 (*sc->sc_filter_setup)(sc);
1042 }
1043 error = 0;
1044 }
1045 break;
1046 }
1047
1048 /* Try to get more packets going. */
1049 if (TULIP_IS_ENABLED(sc))
1050 tlp_start(ifp);
1051
1052 sc->sc_if_flags = ifp->if_flags;
1053 splx(s);
1054 return (error);
1055 }
1056
1057 /*
1058 * tlp_intr:
1059 *
1060 * Interrupt service routine.
1061 */
1062 int
1063 tlp_intr(void *arg)
1064 {
1065 struct tulip_softc *sc = arg;
1066 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
1067 u_int32_t status, rxstatus, txstatus;
1068 int handled = 0, txthresh;
1069
1070 DPRINTF(sc, ("%s: tlp_intr\n", sc->sc_dev.dv_xname));
1071
1072 #ifdef DEBUG
1073 if (TULIP_IS_ENABLED(sc) == 0)
1074 panic("%s: tlp_intr: not enabled", sc->sc_dev.dv_xname);
1075 #endif
1076
1077 /*
1078 * If the interface isn't running, the interrupt couldn't
1079 * possibly have come from us.
1080 */
1081 if ((ifp->if_flags & IFF_RUNNING) == 0 ||
1082 !device_is_active(&sc->sc_dev))
1083 return (0);
1084
1085 /* Disable interrupts on the DM9102 (interrupt edge bug). */
1086 switch (sc->sc_chip) {
1087 case TULIP_CHIP_DM9102:
1088 case TULIP_CHIP_DM9102A:
1089 TULIP_WRITE(sc, CSR_INTEN, 0);
1090 break;
1091
1092 default:
1093 /* Nothing. */
1094 break;
1095 }
1096
1097 for (;;) {
1098 status = TULIP_READ(sc, CSR_STATUS);
1099 if (status)
1100 TULIP_WRITE(sc, CSR_STATUS, status);
1101
1102 if ((status & sc->sc_inten) == 0)
1103 break;
1104
1105 handled = 1;
1106
1107 rxstatus = status & sc->sc_rxint_mask;
1108 txstatus = status & sc->sc_txint_mask;
1109
1110 if (rxstatus) {
1111 /* Grab new any new packets. */
1112 tlp_rxintr(sc);
1113
1114 if (rxstatus & STATUS_RWT)
1115 printf("%s: receive watchdog timeout\n",
1116 sc->sc_dev.dv_xname);
1117
1118 if (rxstatus & STATUS_RU) {
1119 printf("%s: receive ring overrun\n",
1120 sc->sc_dev.dv_xname);
1121 /* Get the receive process going again. */
1122 if (sc->sc_tdctl_er != TDCTL_ER) {
1123 tlp_idle(sc, OPMODE_SR);
1124 TULIP_WRITE(sc, CSR_RXLIST,
1125 TULIP_CDRXADDR(sc, sc->sc_rxptr));
1126 TULIP_WRITE(sc, CSR_OPMODE,
1127 sc->sc_opmode);
1128 }
1129 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD);
1130 break;
1131 }
1132 }
1133
1134 if (txstatus) {
1135 /* Sweep up transmit descriptors. */
1136 tlp_txintr(sc);
1137
1138 if (txstatus & STATUS_TJT)
1139 printf("%s: transmit jabber timeout\n",
1140 sc->sc_dev.dv_xname);
1141
1142 if (txstatus & STATUS_UNF) {
1143 /*
1144 * Increase our transmit threshold if
1145 * another is available.
1146 */
1147 txthresh = sc->sc_txthresh + 1;
1148 if (sc->sc_txth[txthresh].txth_name != NULL) {
1149 /* Idle the transmit process. */
1150 tlp_idle(sc, OPMODE_ST);
1151
1152 sc->sc_txthresh = txthresh;
1153 sc->sc_opmode &= ~(OPMODE_TR|OPMODE_SF);
1154 sc->sc_opmode |=
1155 sc->sc_txth[txthresh].txth_opmode;
1156 printf("%s: transmit underrun; new "
1157 "threshold: %s\n",
1158 sc->sc_dev.dv_xname,
1159 sc->sc_txth[txthresh].txth_name);
1160
1161 /*
1162 * Set the new threshold and restart
1163 * the transmit process.
1164 */
1165 TULIP_WRITE(sc, CSR_OPMODE,
1166 sc->sc_opmode);
1167 }
1168 /*
1169 * XXX Log every Nth underrun from
1170 * XXX now on?
1171 */
1172 }
1173 }
1174
1175 if (status & (STATUS_TPS|STATUS_RPS)) {
1176 if (status & STATUS_TPS)
1177 printf("%s: transmit process stopped\n",
1178 sc->sc_dev.dv_xname);
1179 if (status & STATUS_RPS)
1180 printf("%s: receive process stopped\n",
1181 sc->sc_dev.dv_xname);
1182 (void) tlp_init(ifp);
1183 break;
1184 }
1185
1186 if (status & STATUS_SE) {
1187 const char *str;
1188 switch (status & STATUS_EB) {
1189 case STATUS_EB_PARITY:
1190 str = "parity error";
1191 break;
1192
1193 case STATUS_EB_MABT:
1194 str = "master abort";
1195 break;
1196
1197 case STATUS_EB_TABT:
1198 str = "target abort";
1199 break;
1200
1201 default:
1202 str = "unknown error";
1203 break;
1204 }
1205 printf("%s: fatal system error: %s\n",
1206 sc->sc_dev.dv_xname, str);
1207 (void) tlp_init(ifp);
1208 break;
1209 }
1210
1211 /*
1212 * Not handled:
1213 *
1214 * Transmit buffer unavailable -- normal
1215 * condition, nothing to do, really.
1216 *
1217 * General purpose timer experied -- we don't
1218 * use the general purpose timer.
1219 *
1220 * Early receive interrupt -- not available on
1221 * all chips, we just use RI. We also only
1222 * use single-segment receive DMA, so this
1223 * is mostly useless.
1224 */
1225 }
1226
1227 /* Bring interrupts back up on the DM9102. */
1228 switch (sc->sc_chip) {
1229 case TULIP_CHIP_DM9102:
1230 case TULIP_CHIP_DM9102A:
1231 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten);
1232 break;
1233
1234 default:
1235 /* Nothing. */
1236 break;
1237 }
1238
1239 /* Try to get more packets going. */
1240 tlp_start(ifp);
1241
1242 #if NRND > 0
1243 if (handled)
1244 rnd_add_uint32(&sc->sc_rnd_source, status);
1245 #endif
1246 return (handled);
1247 }
1248
1249 /*
1250 * tlp_rxintr:
1251 *
1252 * Helper; handle receive interrupts.
1253 */
1254 static void
1255 tlp_rxintr(struct tulip_softc *sc)
1256 {
1257 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
1258 struct ether_header *eh;
1259 struct tulip_rxsoft *rxs;
1260 struct mbuf *m;
1261 u_int32_t rxstat;
1262 int i, len;
1263
1264 for (i = sc->sc_rxptr;; i = TULIP_NEXTRX(i)) {
1265 rxs = &sc->sc_rxsoft[i];
1266
1267 TULIP_CDRXSYNC(sc, i,
1268 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
1269
1270 rxstat = le32toh(sc->sc_rxdescs[i].td_status);
1271
1272 if (rxstat & TDSTAT_OWN) {
1273 /*
1274 * We have processed all of the receive buffers.
1275 */
1276 break;
1277 }
1278
1279 /*
1280 * Make sure the packet fit in one buffer. This should
1281 * always be the case. But the Lite-On PNIC, rev 33
1282 * has an awful receive engine bug, which may require
1283 * a very icky work-around.
1284 */
1285 if ((rxstat & (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) !=
1286 (TDSTAT_Rx_FS|TDSTAT_Rx_LS)) {
1287 printf("%s: incoming packet spilled, resetting\n",
1288 sc->sc_dev.dv_xname);
1289 (void) tlp_init(ifp);
1290 return;
1291 }
1292
1293 /*
1294 * If any collisions were seen on the wire, count one.
1295 */
1296 if (rxstat & TDSTAT_Rx_CS)
1297 ifp->if_collisions++;
1298
1299 /*
1300 * If an error occurred, update stats, clear the status
1301 * word, and leave the packet buffer in place. It will
1302 * simply be reused the next time the ring comes around.
1303 * If 802.1Q VLAN MTU is enabled, ignore the Frame Too Long
1304 * error.
1305 */
1306 if (rxstat & TDSTAT_ES &&
1307 ((sc->sc_ethercom.ec_capenable & ETHERCAP_VLAN_MTU) == 0 ||
1308 (rxstat & (TDSTAT_Rx_DE | TDSTAT_Rx_RF |
1309 TDSTAT_Rx_DB | TDSTAT_Rx_CE)) != 0)) {
1310 #define PRINTERR(bit, str) \
1311 if (rxstat & (bit)) \
1312 printf("%s: receive error: %s\n", \
1313 sc->sc_dev.dv_xname, str)
1314 ifp->if_ierrors++;
1315 PRINTERR(TDSTAT_Rx_DE, "descriptor error");
1316 PRINTERR(TDSTAT_Rx_RF, "runt frame");
1317 PRINTERR(TDSTAT_Rx_TL, "frame too long");
1318 PRINTERR(TDSTAT_Rx_RE, "MII error");
1319 PRINTERR(TDSTAT_Rx_DB, "dribbling bit");
1320 PRINTERR(TDSTAT_Rx_CE, "CRC error");
1321 #undef PRINTERR
1322 TULIP_INIT_RXDESC(sc, i);
1323 continue;
1324 }
1325
1326 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
1327 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_POSTREAD);
1328
1329 /*
1330 * No errors; receive the packet. Note the Tulip
1331 * includes the CRC with every packet.
1332 */
1333 len = TDSTAT_Rx_LENGTH(rxstat) - ETHER_CRC_LEN;
1334
1335 #ifdef __NO_STRICT_ALIGNMENT
1336 /*
1337 * Allocate a new mbuf cluster. If that fails, we are
1338 * out of memory, and must drop the packet and recycle
1339 * the buffer that's already attached to this descriptor.
1340 */
1341 m = rxs->rxs_mbuf;
1342 if (tlp_add_rxbuf(sc, i) != 0) {
1343 ifp->if_ierrors++;
1344 TULIP_INIT_RXDESC(sc, i);
1345 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
1346 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
1347 continue;
1348 }
1349 #else
1350 /*
1351 * The Tulip's receive buffers must be 4-byte aligned.
1352 * But this means that the data after the Ethernet header
1353 * is misaligned. We must allocate a new buffer and
1354 * copy the data, shifted forward 2 bytes.
1355 */
1356 MGETHDR(m, M_DONTWAIT, MT_DATA);
1357 if (m == NULL) {
1358 dropit:
1359 ifp->if_ierrors++;
1360 TULIP_INIT_RXDESC(sc, i);
1361 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
1362 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
1363 continue;
1364 }
1365 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner);
1366 if (len > (MHLEN - 2)) {
1367 MCLGET(m, M_DONTWAIT);
1368 if ((m->m_flags & M_EXT) == 0) {
1369 m_freem(m);
1370 goto dropit;
1371 }
1372 }
1373 m->m_data += 2;
1374
1375 /*
1376 * Note that we use clusters for incoming frames, so the
1377 * buffer is virtually contiguous.
1378 */
1379 memcpy(mtod(m, void *), mtod(rxs->rxs_mbuf, void *), len);
1380
1381 /* Allow the receive descriptor to continue using its mbuf. */
1382 TULIP_INIT_RXDESC(sc, i);
1383 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
1384 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
1385 #endif /* __NO_STRICT_ALIGNMENT */
1386
1387 ifp->if_ipackets++;
1388 eh = mtod(m, struct ether_header *);
1389 m->m_pkthdr.rcvif = ifp;
1390 m->m_pkthdr.len = m->m_len = len;
1391
1392 /*
1393 * XXX Work-around for a weird problem with the emulated
1394 * 21041 on Connectix Virtual PC:
1395 *
1396 * When we receive a full-size TCP segment, we seem to get
1397 * a packet there the Rx status says 1522 bytes, yet we do
1398 * not get a frame-too-long error from the chip. The extra
1399 * bytes seem to always be zeros. Perhaps Virtual PC is
1400 * inserting 4 bytes of zeros after every packet. In any
1401 * case, let's try and detect this condition and truncate
1402 * the length so that it will pass up the stack.
1403 */
1404 if (__predict_false((sc->sc_flags & TULIPF_VPC) != 0)) {
1405 uint16_t etype = ntohs(eh->ether_type);
1406
1407 if (len > ETHER_MAX_FRAME(ifp, etype, 0))
1408 m->m_pkthdr.len = m->m_len = len =
1409 ETHER_MAX_FRAME(ifp, etype, 0);
1410 }
1411
1412 #if NBPFILTER > 0
1413 /*
1414 * Pass this up to any BPF listeners, but only
1415 * pass it up the stack if its for us.
1416 */
1417 if (ifp->if_bpf)
1418 bpf_mtap(ifp->if_bpf, m);
1419 #endif /* NBPFILTER > 0 */
1420
1421 /*
1422 * We sometimes have to run the 21140 in Hash-Only
1423 * mode. If we're in that mode, and not in promiscuous
1424 * mode, and we have a unicast packet that isn't for
1425 * us, then drop it.
1426 */
1427 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY &&
1428 (ifp->if_flags & IFF_PROMISC) == 0 &&
1429 ETHER_IS_MULTICAST(eh->ether_dhost) == 0 &&
1430 memcmp(CLLADDR(ifp->if_sadl), eh->ether_dhost,
1431 ETHER_ADDR_LEN) != 0) {
1432 m_freem(m);
1433 continue;
1434 }
1435
1436 /* Pass it on. */
1437 (*ifp->if_input)(ifp, m);
1438 }
1439
1440 /* Update the receive pointer. */
1441 sc->sc_rxptr = i;
1442 }
1443
1444 /*
1445 * tlp_txintr:
1446 *
1447 * Helper; handle transmit interrupts.
1448 */
1449 static void
1450 tlp_txintr(struct tulip_softc *sc)
1451 {
1452 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
1453 struct tulip_txsoft *txs;
1454 u_int32_t txstat;
1455
1456 DPRINTF(sc, ("%s: tlp_txintr: sc_flags 0x%08x\n",
1457 sc->sc_dev.dv_xname, sc->sc_flags));
1458
1459 ifp->if_flags &= ~IFF_OACTIVE;
1460
1461 /*
1462 * Go through our Tx list and free mbufs for those
1463 * frames that have been transmitted.
1464 */
1465 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) {
1466 TULIP_CDTXSYNC(sc, txs->txs_lastdesc,
1467 txs->txs_ndescs,
1468 BUS_DMASYNC_POSTREAD|BUS_DMASYNC_POSTWRITE);
1469
1470 #ifdef TLP_DEBUG
1471 if (ifp->if_flags & IFF_DEBUG) {
1472 int i;
1473 printf(" txsoft %p transmit chain:\n", txs);
1474 for (i = txs->txs_firstdesc;; i = TULIP_NEXTTX(i)) {
1475 printf(" descriptor %d:\n", i);
1476 printf(" td_status: 0x%08x\n",
1477 le32toh(sc->sc_txdescs[i].td_status));
1478 printf(" td_ctl: 0x%08x\n",
1479 le32toh(sc->sc_txdescs[i].td_ctl));
1480 printf(" td_bufaddr1: 0x%08x\n",
1481 le32toh(sc->sc_txdescs[i].td_bufaddr1));
1482 printf(" td_bufaddr2: 0x%08x\n",
1483 le32toh(sc->sc_txdescs[i].td_bufaddr2));
1484 if (i == txs->txs_lastdesc)
1485 break;
1486 }
1487 }
1488 #endif
1489
1490 txstat = le32toh(sc->sc_txdescs[txs->txs_lastdesc].td_status);
1491 if (txstat & TDSTAT_OWN)
1492 break;
1493
1494 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q);
1495
1496 sc->sc_txfree += txs->txs_ndescs;
1497
1498 if (txs->txs_mbuf == NULL) {
1499 /*
1500 * If we didn't have an mbuf, it was the setup
1501 * packet.
1502 */
1503 #ifdef DIAGNOSTIC
1504 if ((sc->sc_flags & TULIPF_DOING_SETUP) == 0)
1505 panic("tlp_txintr: null mbuf, not doing setup");
1506 #endif
1507 TULIP_CDSPSYNC(sc, BUS_DMASYNC_POSTWRITE);
1508 sc->sc_flags &= ~TULIPF_DOING_SETUP;
1509 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q);
1510 continue;
1511 }
1512
1513 bus_dmamap_sync(sc->sc_dmat, txs->txs_dmamap,
1514 0, txs->txs_dmamap->dm_mapsize,
1515 BUS_DMASYNC_POSTWRITE);
1516 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap);
1517 m_freem(txs->txs_mbuf);
1518 txs->txs_mbuf = NULL;
1519
1520 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q);
1521
1522 /*
1523 * Check for errors and collisions.
1524 */
1525 #ifdef TLP_STATS
1526 if (txstat & TDSTAT_Tx_UF)
1527 sc->sc_stats.ts_tx_uf++;
1528 if (txstat & TDSTAT_Tx_TO)
1529 sc->sc_stats.ts_tx_to++;
1530 if (txstat & TDSTAT_Tx_EC)
1531 sc->sc_stats.ts_tx_ec++;
1532 if (txstat & TDSTAT_Tx_LC)
1533 sc->sc_stats.ts_tx_lc++;
1534 #endif
1535
1536 if (txstat & (TDSTAT_Tx_UF|TDSTAT_Tx_TO))
1537 ifp->if_oerrors++;
1538
1539 if (txstat & TDSTAT_Tx_EC)
1540 ifp->if_collisions += 16;
1541 else
1542 ifp->if_collisions += TDSTAT_Tx_COLLISIONS(txstat);
1543 if (txstat & TDSTAT_Tx_LC)
1544 ifp->if_collisions++;
1545
1546 ifp->if_opackets++;
1547 }
1548
1549 /*
1550 * If there are no more pending transmissions, cancel the watchdog
1551 * timer.
1552 */
1553 if (txs == NULL && (sc->sc_flags & TULIPF_DOING_SETUP) == 0)
1554 ifp->if_timer = 0;
1555
1556 /*
1557 * If we have a receive filter setup pending, do it now.
1558 */
1559 if (sc->sc_flags & TULIPF_WANT_SETUP)
1560 (*sc->sc_filter_setup)(sc);
1561 }
1562
1563 #ifdef TLP_STATS
1564 void
1565 tlp_print_stats(struct tulip_softc *sc)
1566 {
1567
1568 printf("%s: tx_uf %lu, tx_to %lu, tx_ec %lu, tx_lc %lu\n",
1569 sc->sc_dev.dv_xname,
1570 sc->sc_stats.ts_tx_uf, sc->sc_stats.ts_tx_to,
1571 sc->sc_stats.ts_tx_ec, sc->sc_stats.ts_tx_lc);
1572 }
1573 #endif
1574
1575 /*
1576 * tlp_reset:
1577 *
1578 * Perform a soft reset on the Tulip.
1579 */
1580 void
1581 tlp_reset(struct tulip_softc *sc)
1582 {
1583 int i;
1584
1585 TULIP_WRITE(sc, CSR_BUSMODE, BUSMODE_SWR);
1586
1587 /*
1588 * Xircom, ASIX and Conexant clones don't bring themselves
1589 * out of reset automatically.
1590 * Instead, we have to wait at least 50 PCI cycles, and then
1591 * clear SWR.
1592 */
1593 switch (sc->sc_chip) {
1594 case TULIP_CHIP_X3201_3:
1595 case TULIP_CHIP_AX88140:
1596 case TULIP_CHIP_AX88141:
1597 case TULIP_CHIP_RS7112:
1598 delay(10);
1599 TULIP_WRITE(sc, CSR_BUSMODE, 0);
1600 break;
1601 default:
1602 break;
1603 }
1604
1605 for (i = 0; i < 1000; i++) {
1606 /*
1607 * Wait at least 50 PCI cycles for the reset to
1608 * complete before peeking at the Tulip again.
1609 * 10 uSec is a bit longer than 50 PCI cycles
1610 * (at 33MHz), but it doesn't hurt have the extra
1611 * wait.
1612 */
1613 delay(10);
1614 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR) == 0)
1615 break;
1616 }
1617
1618 if (TULIP_ISSET(sc, CSR_BUSMODE, BUSMODE_SWR))
1619 printf("%s: reset failed to complete\n", sc->sc_dev.dv_xname);
1620
1621 delay(1000);
1622
1623 /*
1624 * If the board has any GPIO reset sequences to issue, do them now.
1625 */
1626 if (sc->sc_reset != NULL)
1627 (*sc->sc_reset)(sc);
1628 }
1629
1630 /*
1631 * tlp_init: [ ifnet interface function ]
1632 *
1633 * Initialize the interface. Must be called at splnet().
1634 */
1635 static int
1636 tlp_init(struct ifnet *ifp)
1637 {
1638 struct tulip_softc *sc = ifp->if_softc;
1639 struct tulip_txsoft *txs;
1640 struct tulip_rxsoft *rxs;
1641 int i, error = 0;
1642
1643 if ((error = tlp_enable(sc)) != 0)
1644 goto out;
1645
1646 /*
1647 * Cancel any pending I/O.
1648 */
1649 tlp_stop(ifp, 0);
1650
1651 /*
1652 * Initialize `opmode' to 0, and call the pre-init routine, if
1653 * any. This is required because the 2114x and some of the
1654 * clones require that the media-related bits in `opmode' be
1655 * set before performing a soft-reset in order to get internal
1656 * chip pathways are correct. Yay!
1657 */
1658 sc->sc_opmode = 0;
1659 if (sc->sc_preinit != NULL)
1660 (*sc->sc_preinit)(sc);
1661
1662 /*
1663 * Reset the Tulip to a known state.
1664 */
1665 tlp_reset(sc);
1666
1667 /*
1668 * Initialize the BUSMODE register.
1669 */
1670 sc->sc_busmode = BUSMODE_BAR;
1671 switch (sc->sc_chip) {
1672 case TULIP_CHIP_21140:
1673 case TULIP_CHIP_21140A:
1674 case TULIP_CHIP_21142:
1675 case TULIP_CHIP_21143:
1676 case TULIP_CHIP_82C115:
1677 case TULIP_CHIP_MX98725:
1678 /*
1679 * If we're allowed to do so, use Memory Read Line
1680 * and Memory Read Multiple.
1681 *
1682 * XXX Should we use Memory Write and Invalidate?
1683 */
1684 if (sc->sc_flags & TULIPF_MRL)
1685 sc->sc_busmode |= BUSMODE_RLE;
1686 if (sc->sc_flags & TULIPF_MRM)
1687 sc->sc_busmode |= BUSMODE_RME;
1688 #if 0
1689 if (sc->sc_flags & TULIPF_MWI)
1690 sc->sc_busmode |= BUSMODE_WLE;
1691 #endif
1692 break;
1693
1694 case TULIP_CHIP_82C168:
1695 case TULIP_CHIP_82C169:
1696 sc->sc_busmode |= BUSMODE_PNIC_MBO;
1697 if (sc->sc_maxburst == 0)
1698 sc->sc_maxburst = 16;
1699 break;
1700
1701 case TULIP_CHIP_AX88140:
1702 case TULIP_CHIP_AX88141:
1703 if (sc->sc_maxburst == 0)
1704 sc->sc_maxburst = 16;
1705 break;
1706
1707 default:
1708 /* Nothing. */
1709 break;
1710 }
1711 switch (sc->sc_cacheline) {
1712 default:
1713 /*
1714 * Note: We must *always* set these bits; a cache
1715 * alignment of 0 is RESERVED.
1716 */
1717 case 8:
1718 sc->sc_busmode |= BUSMODE_CAL_8LW;
1719 break;
1720 case 16:
1721 sc->sc_busmode |= BUSMODE_CAL_16LW;
1722 break;
1723 case 32:
1724 sc->sc_busmode |= BUSMODE_CAL_32LW;
1725 break;
1726 }
1727 switch (sc->sc_maxburst) {
1728 case 1:
1729 sc->sc_busmode |= BUSMODE_PBL_1LW;
1730 break;
1731 case 2:
1732 sc->sc_busmode |= BUSMODE_PBL_2LW;
1733 break;
1734 case 4:
1735 sc->sc_busmode |= BUSMODE_PBL_4LW;
1736 break;
1737 case 8:
1738 sc->sc_busmode |= BUSMODE_PBL_8LW;
1739 break;
1740 case 16:
1741 sc->sc_busmode |= BUSMODE_PBL_16LW;
1742 break;
1743 case 32:
1744 sc->sc_busmode |= BUSMODE_PBL_32LW;
1745 break;
1746 default:
1747 sc->sc_busmode |= BUSMODE_PBL_DEFAULT;
1748 break;
1749 }
1750 #if BYTE_ORDER == BIG_ENDIAN
1751 /*
1752 * Can't use BUSMODE_BLE or BUSMODE_DBO; not all chips
1753 * support them, and even on ones that do, it doesn't
1754 * always work. So we always access descriptors with
1755 * little endian via htole32/le32toh.
1756 */
1757 #endif
1758 /*
1759 * Big-endian bus requires BUSMODE_BLE anyway.
1760 * Also, BUSMODE_DBO is needed because we assume
1761 * descriptors are little endian.
1762 */
1763 if (sc->sc_flags & TULIPF_BLE)
1764 sc->sc_busmode |= BUSMODE_BLE;
1765 if (sc->sc_flags & TULIPF_DBO)
1766 sc->sc_busmode |= BUSMODE_DBO;
1767
1768 /*
1769 * Some chips have a broken bus interface.
1770 */
1771 switch (sc->sc_chip) {
1772 case TULIP_CHIP_DM9102:
1773 case TULIP_CHIP_DM9102A:
1774 sc->sc_busmode = 0;
1775 break;
1776
1777 default:
1778 /* Nothing. */
1779 break;
1780 }
1781
1782 TULIP_WRITE(sc, CSR_BUSMODE, sc->sc_busmode);
1783
1784 /*
1785 * Initialize the OPMODE register. We don't write it until
1786 * we're ready to begin the transmit and receive processes.
1787 *
1788 * Media-related OPMODE bits are set in the media callbacks
1789 * for each specific chip/board.
1790 */
1791 sc->sc_opmode |= OPMODE_SR | OPMODE_ST |
1792 sc->sc_txth[sc->sc_txthresh].txth_opmode;
1793
1794 /*
1795 * Magical mystery initialization on the Macronix chips.
1796 * The MX98713 uses its own magic value, the rest share
1797 * a common one.
1798 */
1799 switch (sc->sc_chip) {
1800 case TULIP_CHIP_MX98713:
1801 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98713);
1802 break;
1803
1804 case TULIP_CHIP_MX98713A:
1805 case TULIP_CHIP_MX98715:
1806 case TULIP_CHIP_MX98715A:
1807 case TULIP_CHIP_MX98715AEC_X:
1808 case TULIP_CHIP_MX98725:
1809 TULIP_WRITE(sc, CSR_PMAC_TOR, PMAC_TOR_98715);
1810 break;
1811
1812 default:
1813 /* Nothing. */
1814 break;
1815 }
1816
1817 /*
1818 * Initialize the transmit descriptor ring.
1819 */
1820 memset(sc->sc_txdescs, 0, sizeof(sc->sc_txdescs));
1821 for (i = 0; i < TULIP_NTXDESC; i++) {
1822 sc->sc_txdescs[i].td_ctl = htole32(sc->sc_tdctl_ch);
1823 sc->sc_txdescs[i].td_bufaddr2 =
1824 htole32(TULIP_CDTXADDR(sc, TULIP_NEXTTX(i)));
1825 }
1826 sc->sc_txdescs[TULIP_NTXDESC - 1].td_ctl |= htole32(sc->sc_tdctl_er);
1827 TULIP_CDTXSYNC(sc, 0, TULIP_NTXDESC,
1828 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
1829 sc->sc_txfree = TULIP_NTXDESC;
1830 sc->sc_txnext = 0;
1831
1832 /*
1833 * Initialize the transmit job descriptors.
1834 */
1835 SIMPLEQ_INIT(&sc->sc_txfreeq);
1836 SIMPLEQ_INIT(&sc->sc_txdirtyq);
1837 for (i = 0; i < TULIP_TXQUEUELEN; i++) {
1838 txs = &sc->sc_txsoft[i];
1839 txs->txs_mbuf = NULL;
1840 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q);
1841 }
1842
1843 /*
1844 * Initialize the receive descriptor and receive job
1845 * descriptor rings.
1846 */
1847 for (i = 0; i < TULIP_NRXDESC; i++) {
1848 rxs = &sc->sc_rxsoft[i];
1849 if (rxs->rxs_mbuf == NULL) {
1850 if ((error = tlp_add_rxbuf(sc, i)) != 0) {
1851 printf("%s: unable to allocate or map rx "
1852 "buffer %d, error = %d\n",
1853 sc->sc_dev.dv_xname, i, error);
1854 /*
1855 * XXX Should attempt to run with fewer receive
1856 * XXX buffers instead of just failing.
1857 */
1858 tlp_rxdrain(sc);
1859 goto out;
1860 }
1861 } else
1862 TULIP_INIT_RXDESC(sc, i);
1863 }
1864 sc->sc_rxptr = 0;
1865
1866 /*
1867 * Initialize the interrupt mask and enable interrupts.
1868 */
1869 /* normal interrupts */
1870 sc->sc_inten = STATUS_TI | STATUS_TU | STATUS_RI | STATUS_NIS;
1871
1872 /* abnormal interrupts */
1873 sc->sc_inten |= STATUS_TPS | STATUS_TJT | STATUS_UNF |
1874 STATUS_RU | STATUS_RPS | STATUS_RWT | STATUS_SE | STATUS_AIS;
1875
1876 sc->sc_rxint_mask = STATUS_RI|STATUS_RU|STATUS_RWT;
1877 sc->sc_txint_mask = STATUS_TI|STATUS_UNF|STATUS_TJT;
1878
1879 switch (sc->sc_chip) {
1880 case TULIP_CHIP_WB89C840F:
1881 /*
1882 * Clear bits that we don't want that happen to
1883 * overlap or don't exist.
1884 */
1885 sc->sc_inten &= ~(STATUS_WINB_REI|STATUS_RWT);
1886 break;
1887
1888 default:
1889 /* Nothing. */
1890 break;
1891 }
1892
1893 sc->sc_rxint_mask &= sc->sc_inten;
1894 sc->sc_txint_mask &= sc->sc_inten;
1895
1896 TULIP_WRITE(sc, CSR_INTEN, sc->sc_inten);
1897 TULIP_WRITE(sc, CSR_STATUS, 0xffffffff);
1898
1899 /*
1900 * Give the transmit and receive rings to the Tulip.
1901 */
1902 TULIP_WRITE(sc, CSR_TXLIST, TULIP_CDTXADDR(sc, sc->sc_txnext));
1903 TULIP_WRITE(sc, CSR_RXLIST, TULIP_CDRXADDR(sc, sc->sc_rxptr));
1904
1905 /*
1906 * On chips that do this differently, set the station address.
1907 */
1908 switch (sc->sc_chip) {
1909 case TULIP_CHIP_WB89C840F:
1910 {
1911 /* XXX Do this with stream writes? */
1912 bus_addr_t cpa = TULIP_CSR_OFFSET(sc, CSR_WINB_CPA0);
1913
1914 for (i = 0; i < ETHER_ADDR_LEN; i++) {
1915 bus_space_write_1(sc->sc_st, sc->sc_sh,
1916 cpa + i, CLLADDR(ifp->if_sadl)[i]);
1917 }
1918 break;
1919 }
1920
1921 case TULIP_CHIP_AL981:
1922 case TULIP_CHIP_AN983:
1923 case TULIP_CHIP_AN985:
1924 {
1925 u_int32_t reg;
1926 const u_int8_t *enaddr = CLLADDR(ifp->if_sadl);
1927
1928 reg = enaddr[0] |
1929 (enaddr[1] << 8) |
1930 (enaddr[2] << 16) |
1931 (enaddr[3] << 24);
1932 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR0, reg);
1933
1934 reg = enaddr[4] |
1935 (enaddr[5] << 8);
1936 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_PAR1, reg);
1937 break;
1938 }
1939
1940 case TULIP_CHIP_AX88140:
1941 case TULIP_CHIP_AX88141:
1942 {
1943 u_int32_t reg;
1944 const u_int8_t *enaddr = CLLADDR(ifp->if_sadl);
1945
1946 reg = enaddr[0] |
1947 (enaddr[1] << 8) |
1948 (enaddr[2] << 16) |
1949 (enaddr[3] << 24);
1950 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR0);
1951 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg);
1952
1953 reg = enaddr[4] | (enaddr[5] << 8);
1954 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_PAR1);
1955 TULIP_WRITE(sc, CSR_AX_FILTDATA, reg);
1956 break;
1957 }
1958
1959 default:
1960 /* Nothing. */
1961 break;
1962 }
1963
1964 /*
1965 * Set the receive filter. This will start the transmit and
1966 * receive processes.
1967 */
1968 (*sc->sc_filter_setup)(sc);
1969
1970 /*
1971 * Set the current media.
1972 */
1973 (void) (*sc->sc_mediasw->tmsw_set)(sc);
1974
1975 /*
1976 * Start the receive process.
1977 */
1978 TULIP_WRITE(sc, CSR_RXPOLL, RXPOLL_RPD);
1979
1980 if (sc->sc_tick != NULL) {
1981 /* Start the one second clock. */
1982 callout_reset(&sc->sc_tick_callout, hz >> 3, sc->sc_tick, sc);
1983 }
1984
1985 /*
1986 * Note that the interface is now running.
1987 */
1988 ifp->if_flags |= IFF_RUNNING;
1989 ifp->if_flags &= ~IFF_OACTIVE;
1990 sc->sc_if_flags = ifp->if_flags;
1991
1992 out:
1993 if (error) {
1994 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
1995 ifp->if_timer = 0;
1996 printf("%s: interface not running\n", sc->sc_dev.dv_xname);
1997 }
1998 return (error);
1999 }
2000
2001 /*
2002 * tlp_enable:
2003 *
2004 * Enable the Tulip chip.
2005 */
2006 static int
2007 tlp_enable(struct tulip_softc *sc)
2008 {
2009
2010 if (TULIP_IS_ENABLED(sc) == 0 && sc->sc_enable != NULL) {
2011 if ((*sc->sc_enable)(sc) != 0) {
2012 printf("%s: device enable failed\n",
2013 sc->sc_dev.dv_xname);
2014 return (EIO);
2015 }
2016 sc->sc_flags |= TULIPF_ENABLED;
2017 }
2018 return (0);
2019 }
2020
2021 /*
2022 * tlp_disable:
2023 *
2024 * Disable the Tulip chip.
2025 */
2026 static void
2027 tlp_disable(struct tulip_softc *sc)
2028 {
2029
2030 if (TULIP_IS_ENABLED(sc) && sc->sc_disable != NULL) {
2031 (*sc->sc_disable)(sc);
2032 sc->sc_flags &= ~TULIPF_ENABLED;
2033 }
2034 }
2035
2036 /*
2037 * tlp_power:
2038 *
2039 * Power management (suspend/resume) hook.
2040 */
2041 static void
2042 tlp_power(int why, void *arg)
2043 {
2044 struct tulip_softc *sc = arg;
2045 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
2046 int s;
2047
2048 s = splnet();
2049 switch (why) {
2050 case PWR_STANDBY:
2051 /* do nothing! */
2052 break;
2053 case PWR_SUSPEND:
2054 tlp_stop(ifp, 0);
2055 if (sc->sc_power != NULL)
2056 (*sc->sc_power)(sc, why);
2057 break;
2058 case PWR_RESUME:
2059 if (ifp->if_flags & IFF_UP) {
2060 if (sc->sc_power != NULL)
2061 (*sc->sc_power)(sc, why);
2062 tlp_init(ifp);
2063 }
2064 break;
2065 case PWR_SOFTSUSPEND:
2066 case PWR_SOFTSTANDBY:
2067 case PWR_SOFTRESUME:
2068 break;
2069 }
2070 splx(s);
2071 }
2072
2073 /*
2074 * tlp_rxdrain:
2075 *
2076 * Drain the receive queue.
2077 */
2078 static void
2079 tlp_rxdrain(struct tulip_softc *sc)
2080 {
2081 struct tulip_rxsoft *rxs;
2082 int i;
2083
2084 for (i = 0; i < TULIP_NRXDESC; i++) {
2085 rxs = &sc->sc_rxsoft[i];
2086 if (rxs->rxs_mbuf != NULL) {
2087 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap);
2088 m_freem(rxs->rxs_mbuf);
2089 rxs->rxs_mbuf = NULL;
2090 }
2091 }
2092 }
2093
2094 /*
2095 * tlp_stop: [ ifnet interface function ]
2096 *
2097 * Stop transmission on the interface.
2098 */
2099 static void
2100 tlp_stop(struct ifnet *ifp, int disable)
2101 {
2102 struct tulip_softc *sc = ifp->if_softc;
2103 struct tulip_txsoft *txs;
2104
2105 if (sc->sc_tick != NULL) {
2106 /* Stop the one second clock. */
2107 callout_stop(&sc->sc_tick_callout);
2108 }
2109
2110 if (sc->sc_flags & TULIPF_HAS_MII) {
2111 /* Down the MII. */
2112 mii_down(&sc->sc_mii);
2113 }
2114
2115 /* Disable interrupts. */
2116 TULIP_WRITE(sc, CSR_INTEN, 0);
2117
2118 /* Stop the transmit and receive processes. */
2119 sc->sc_opmode = 0;
2120 TULIP_WRITE(sc, CSR_OPMODE, 0);
2121 TULIP_WRITE(sc, CSR_RXLIST, 0);
2122 TULIP_WRITE(sc, CSR_TXLIST, 0);
2123
2124 /*
2125 * Release any queued transmit buffers.
2126 */
2127 while ((txs = SIMPLEQ_FIRST(&sc->sc_txdirtyq)) != NULL) {
2128 SIMPLEQ_REMOVE_HEAD(&sc->sc_txdirtyq, txs_q);
2129 if (txs->txs_mbuf != NULL) {
2130 bus_dmamap_unload(sc->sc_dmat, txs->txs_dmamap);
2131 m_freem(txs->txs_mbuf);
2132 txs->txs_mbuf = NULL;
2133 }
2134 SIMPLEQ_INSERT_TAIL(&sc->sc_txfreeq, txs, txs_q);
2135 }
2136
2137 if (disable) {
2138 tlp_rxdrain(sc);
2139 tlp_disable(sc);
2140 }
2141
2142 sc->sc_flags &= ~(TULIPF_WANT_SETUP|TULIPF_DOING_SETUP);
2143
2144 /*
2145 * Mark the interface down and cancel the watchdog timer.
2146 */
2147 ifp->if_flags &= ~(IFF_RUNNING | IFF_OACTIVE);
2148 sc->sc_if_flags = ifp->if_flags;
2149 ifp->if_timer = 0;
2150
2151 /*
2152 * Reset the chip (needed on some flavors to actually disable it).
2153 */
2154 tlp_reset(sc);
2155 }
2156
2157 #define SROM_EMIT(sc, x) \
2158 do { \
2159 TULIP_WRITE((sc), CSR_MIIROM, (x)); \
2160 delay(2); \
2161 } while (0)
2162
2163 /*
2164 * tlp_srom_idle:
2165 *
2166 * Put the SROM in idle state.
2167 */
2168 static void
2169 tlp_srom_idle(struct tulip_softc *sc)
2170 {
2171 u_int32_t miirom;
2172 int i;
2173
2174 miirom = MIIROM_SR;
2175 SROM_EMIT(sc, miirom);
2176
2177 miirom |= MIIROM_RD;
2178 SROM_EMIT(sc, miirom);
2179
2180 miirom |= MIIROM_SROMCS;
2181 SROM_EMIT(sc, miirom);
2182
2183 SROM_EMIT(sc, miirom|MIIROM_SROMSK);
2184
2185 /* Strobe the clock 32 times. */
2186 for (i = 0; i < 32; i++) {
2187 SROM_EMIT(sc, miirom);
2188 SROM_EMIT(sc, miirom|MIIROM_SROMSK);
2189 }
2190
2191 SROM_EMIT(sc, miirom);
2192
2193 miirom &= ~MIIROM_SROMCS;
2194 SROM_EMIT(sc, miirom);
2195
2196 SROM_EMIT(sc, 0);
2197 }
2198
2199 /*
2200 * tlp_srom_size:
2201 *
2202 * Determine the number of address bits in the SROM.
2203 */
2204 static int
2205 tlp_srom_size(struct tulip_softc *sc)
2206 {
2207 u_int32_t miirom;
2208 int x;
2209
2210 /* Select the SROM. */
2211 miirom = MIIROM_SR;
2212 SROM_EMIT(sc, miirom);
2213
2214 miirom |= MIIROM_RD;
2215 SROM_EMIT(sc, miirom);
2216
2217 /* Send CHIP SELECT for one clock tick. */
2218 miirom |= MIIROM_SROMCS;
2219 SROM_EMIT(sc, miirom);
2220
2221 /* Shift in the READ opcode. */
2222 for (x = 3; x > 0; x--) {
2223 if (TULIP_SROM_OPC_READ & (1 << (x - 1)))
2224 miirom |= MIIROM_SROMDI;
2225 else
2226 miirom &= ~MIIROM_SROMDI;
2227 SROM_EMIT(sc, miirom);
2228 SROM_EMIT(sc, miirom|MIIROM_SROMSK);
2229 SROM_EMIT(sc, miirom);
2230 }
2231
2232 /* Shift in address and look for dummy 0 bit. */
2233 for (x = 1; x <= 12; x++) {
2234 miirom &= ~MIIROM_SROMDI;
2235 SROM_EMIT(sc, miirom);
2236 SROM_EMIT(sc, miirom|MIIROM_SROMSK);
2237 if (!TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO))
2238 break;
2239 SROM_EMIT(sc, miirom);
2240 }
2241
2242 /* Clear CHIP SELECT. */
2243 miirom &= ~MIIROM_SROMCS;
2244 SROM_EMIT(sc, miirom);
2245
2246 /* Deselect the SROM. */
2247 SROM_EMIT(sc, 0);
2248
2249 if (x < 4 || x > 12) {
2250 printf("%s: broken MicroWire interface detected; "
2251 "setting SROM size to 1Kb\n", sc->sc_dev.dv_xname);
2252 return (6);
2253 } else {
2254 if (tlp_srom_debug)
2255 printf("%s: SROM size is 2^%d*16 bits (%d bytes)\n",
2256 sc->sc_dev.dv_xname, x, (1 << (x + 4)) >> 3);
2257 return (x);
2258 }
2259 }
2260
2261 /*
2262 * tlp_read_srom:
2263 *
2264 * Read the Tulip SROM.
2265 */
2266 int
2267 tlp_read_srom(struct tulip_softc *sc)
2268 {
2269 int size;
2270 u_int32_t miirom;
2271 u_int16_t datain;
2272 int i, x;
2273
2274 tlp_srom_idle(sc);
2275
2276 sc->sc_srom_addrbits = tlp_srom_size(sc);
2277 if (sc->sc_srom_addrbits == 0)
2278 return (0);
2279 size = TULIP_ROM_SIZE(sc->sc_srom_addrbits);
2280 sc->sc_srom = malloc(size, M_DEVBUF, M_NOWAIT);
2281
2282 /* Select the SROM. */
2283 miirom = MIIROM_SR;
2284 SROM_EMIT(sc, miirom);
2285
2286 miirom |= MIIROM_RD;
2287 SROM_EMIT(sc, miirom);
2288
2289 for (i = 0; i < size; i += 2) {
2290 /* Send CHIP SELECT for one clock tick. */
2291 miirom |= MIIROM_SROMCS;
2292 SROM_EMIT(sc, miirom);
2293
2294 /* Shift in the READ opcode. */
2295 for (x = 3; x > 0; x--) {
2296 if (TULIP_SROM_OPC_READ & (1 << (x - 1)))
2297 miirom |= MIIROM_SROMDI;
2298 else
2299 miirom &= ~MIIROM_SROMDI;
2300 SROM_EMIT(sc, miirom);
2301 SROM_EMIT(sc, miirom|MIIROM_SROMSK);
2302 SROM_EMIT(sc, miirom);
2303 }
2304
2305 /* Shift in address. */
2306 for (x = sc->sc_srom_addrbits; x > 0; x--) {
2307 if (i & (1 << x))
2308 miirom |= MIIROM_SROMDI;
2309 else
2310 miirom &= ~MIIROM_SROMDI;
2311 SROM_EMIT(sc, miirom);
2312 SROM_EMIT(sc, miirom|MIIROM_SROMSK);
2313 SROM_EMIT(sc, miirom);
2314 }
2315
2316 /* Shift out data. */
2317 miirom &= ~MIIROM_SROMDI;
2318 datain = 0;
2319 for (x = 16; x > 0; x--) {
2320 SROM_EMIT(sc, miirom|MIIROM_SROMSK);
2321 if (TULIP_ISSET(sc, CSR_MIIROM, MIIROM_SROMDO))
2322 datain |= (1 << (x - 1));
2323 SROM_EMIT(sc, miirom);
2324 }
2325 sc->sc_srom[i] = datain & 0xff;
2326 sc->sc_srom[i + 1] = datain >> 8;
2327
2328 /* Clear CHIP SELECT. */
2329 miirom &= ~MIIROM_SROMCS;
2330 SROM_EMIT(sc, miirom);
2331 }
2332
2333 /* Deselect the SROM. */
2334 SROM_EMIT(sc, 0);
2335
2336 /* ...and idle it. */
2337 tlp_srom_idle(sc);
2338
2339 if (tlp_srom_debug) {
2340 printf("SROM CONTENTS:");
2341 for (i = 0; i < size; i++) {
2342 if ((i % 8) == 0)
2343 printf("\n\t");
2344 printf("0x%02x ", sc->sc_srom[i]);
2345 }
2346 printf("\n");
2347 }
2348
2349 return (1);
2350 }
2351
2352 #undef SROM_EMIT
2353
2354 /*
2355 * tlp_add_rxbuf:
2356 *
2357 * Add a receive buffer to the indicated descriptor.
2358 */
2359 static int
2360 tlp_add_rxbuf(struct tulip_softc *sc, int idx)
2361 {
2362 struct tulip_rxsoft *rxs = &sc->sc_rxsoft[idx];
2363 struct mbuf *m;
2364 int error;
2365
2366 MGETHDR(m, M_DONTWAIT, MT_DATA);
2367 if (m == NULL)
2368 return (ENOBUFS);
2369
2370 MCLAIM(m, &sc->sc_ethercom.ec_rx_mowner);
2371 MCLGET(m, M_DONTWAIT);
2372 if ((m->m_flags & M_EXT) == 0) {
2373 m_freem(m);
2374 return (ENOBUFS);
2375 }
2376
2377 if (rxs->rxs_mbuf != NULL)
2378 bus_dmamap_unload(sc->sc_dmat, rxs->rxs_dmamap);
2379
2380 rxs->rxs_mbuf = m;
2381
2382 error = bus_dmamap_load(sc->sc_dmat, rxs->rxs_dmamap,
2383 m->m_ext.ext_buf, m->m_ext.ext_size, NULL,
2384 BUS_DMA_READ|BUS_DMA_NOWAIT);
2385 if (error) {
2386 printf("%s: can't load rx DMA map %d, error = %d\n",
2387 sc->sc_dev.dv_xname, idx, error);
2388 panic("tlp_add_rxbuf"); /* XXX */
2389 }
2390
2391 bus_dmamap_sync(sc->sc_dmat, rxs->rxs_dmamap, 0,
2392 rxs->rxs_dmamap->dm_mapsize, BUS_DMASYNC_PREREAD);
2393
2394 TULIP_INIT_RXDESC(sc, idx);
2395
2396 return (0);
2397 }
2398
2399 /*
2400 * tlp_srom_crcok:
2401 *
2402 * Check the CRC of the Tulip SROM.
2403 */
2404 int
2405 tlp_srom_crcok(const u_int8_t *romdata)
2406 {
2407 u_int32_t crc;
2408
2409 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM);
2410 crc = (crc & 0xffff) ^ 0xffff;
2411 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM))
2412 return (1);
2413
2414 /*
2415 * Try an alternate checksum.
2416 */
2417 crc = ether_crc32_le(romdata, TULIP_ROM_CRC32_CHECKSUM1);
2418 crc = (crc & 0xffff) ^ 0xffff;
2419 if (crc == TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM1))
2420 return (1);
2421
2422 return (0);
2423 }
2424
2425 /*
2426 * tlp_isv_srom:
2427 *
2428 * Check to see if the SROM is in the new standardized format.
2429 */
2430 int
2431 tlp_isv_srom(const u_int8_t *romdata)
2432 {
2433 int i;
2434 u_int16_t cksum;
2435
2436 if (tlp_srom_crcok(romdata)) {
2437 /*
2438 * SROM CRC checks out; must be in the new format.
2439 */
2440 return (1);
2441 }
2442
2443 cksum = TULIP_ROM_GETW(romdata, TULIP_ROM_CRC32_CHECKSUM);
2444 if (cksum == 0xffff || cksum == 0) {
2445 /*
2446 * No checksum present. Check the SROM ID; 18 bytes of 0
2447 * followed by 1 (version) followed by the number of
2448 * adapters which use this SROM (should be non-zero).
2449 */
2450 for (i = 0; i < TULIP_ROM_SROM_FORMAT_VERION; i++) {
2451 if (romdata[i] != 0)
2452 return (0);
2453 }
2454 if (romdata[TULIP_ROM_SROM_FORMAT_VERION] != 1)
2455 return (0);
2456 if (romdata[TULIP_ROM_CHIP_COUNT] == 0)
2457 return (0);
2458 return (1);
2459 }
2460
2461 return (0);
2462 }
2463
2464 /*
2465 * tlp_isv_srom_enaddr:
2466 *
2467 * Get the Ethernet address from an ISV SROM.
2468 */
2469 int
2470 tlp_isv_srom_enaddr(struct tulip_softc *sc, u_int8_t *enaddr)
2471 {
2472 int i, devcnt;
2473
2474 if (tlp_isv_srom(sc->sc_srom) == 0)
2475 return (0);
2476
2477 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT];
2478 for (i = 0; i < devcnt; i++) {
2479 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1)
2480 break;
2481 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] ==
2482 sc->sc_devno)
2483 break;
2484 }
2485
2486 if (i == devcnt)
2487 return (0);
2488
2489 memcpy(enaddr, &sc->sc_srom[TULIP_ROM_IEEE_NETWORK_ADDRESS],
2490 ETHER_ADDR_LEN);
2491 enaddr[5] += i;
2492
2493 return (1);
2494 }
2495
2496 /*
2497 * tlp_parse_old_srom:
2498 *
2499 * Parse old-format SROMs.
2500 *
2501 * This routine is largely lifted from Matt Thomas's `de' driver.
2502 */
2503 int
2504 tlp_parse_old_srom(struct tulip_softc *sc, u_int8_t *enaddr)
2505 {
2506 static const u_int8_t testpat[] =
2507 { 0xff, 0, 0x55, 0xaa, 0xff, 0, 0x55, 0xaa };
2508 int i;
2509 u_int32_t cksum;
2510
2511 if (memcmp(&sc->sc_srom[0], &sc->sc_srom[16], 8) != 0) {
2512 /*
2513 * Phobos G100 interfaces have the address at
2514 * offsets 0 and 20, but each pair of bytes is
2515 * swapped.
2516 */
2517 if (sc->sc_srom_addrbits == 6 &&
2518 sc->sc_srom[1] == 0x00 &&
2519 sc->sc_srom[0] == 0x60 &&
2520 sc->sc_srom[3] == 0xf5 &&
2521 memcmp(&sc->sc_srom[0], &sc->sc_srom[20], 6) == 0) {
2522 for (i = 0; i < 6; i += 2) {
2523 enaddr[i] = sc->sc_srom[i + 1];
2524 enaddr[i + 1] = sc->sc_srom[i];
2525 }
2526 return (1);
2527 }
2528
2529 /*
2530 * Phobos G130/G160 interfaces have the address at
2531 * offsets 20 and 84, but each pair of bytes is
2532 * swapped.
2533 */
2534 if (sc->sc_srom_addrbits == 6 &&
2535 sc->sc_srom[21] == 0x00 &&
2536 sc->sc_srom[20] == 0x60 &&
2537 sc->sc_srom[23] == 0xf5 &&
2538 memcmp(&sc->sc_srom[20], &sc->sc_srom[84], 6) == 0) {
2539 for (i = 0; i < 6; i += 2) {
2540 enaddr[i] = sc->sc_srom[20 + i + 1];
2541 enaddr[i + 1] = sc->sc_srom[20 + i];
2542 }
2543 return (1);
2544 }
2545
2546 /*
2547 * Cobalt Networks interfaces simply have the address
2548 * in the first six bytes. The rest is zeroed out
2549 * on some models, but others contain unknown data.
2550 */
2551 if (sc->sc_srom[0] == 0x00 &&
2552 sc->sc_srom[1] == 0x10 &&
2553 sc->sc_srom[2] == 0xe0) {
2554 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
2555 return (1);
2556 }
2557
2558 /*
2559 * Some vendors (e.g. ZNYX) don't use the standard
2560 * DEC Address ROM format, but rather just have an
2561 * Ethernet address in the first 6 bytes, maybe a
2562 * 2 byte checksum, and then all 0xff's.
2563 */
2564 for (i = 8; i < 32; i++) {
2565 if (sc->sc_srom[i] != 0xff &&
2566 sc->sc_srom[i] != 0)
2567 return (0);
2568 }
2569
2570 /*
2571 * Sanity check the Ethernet address:
2572 *
2573 * - Make sure it's not multicast or locally
2574 * assigned
2575 * - Make sure it has a non-0 OUI
2576 */
2577 if (sc->sc_srom[0] & 3)
2578 return (0);
2579 if (sc->sc_srom[0] == 0 && sc->sc_srom[1] == 0 &&
2580 sc->sc_srom[2] == 0)
2581 return (0);
2582
2583 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
2584 return (1);
2585 }
2586
2587 /*
2588 * Standard DEC Address ROM test.
2589 */
2590
2591 if (memcmp(&sc->sc_srom[24], testpat, 8) != 0)
2592 return (0);
2593
2594 for (i = 0; i < 8; i++) {
2595 if (sc->sc_srom[i] != sc->sc_srom[15 - i])
2596 return (0);
2597 }
2598
2599 memcpy(enaddr, sc->sc_srom, ETHER_ADDR_LEN);
2600
2601 cksum = *(u_int16_t *) &enaddr[0];
2602
2603 cksum <<= 1;
2604 if (cksum > 0xffff)
2605 cksum -= 0xffff;
2606
2607 cksum += *(u_int16_t *) &enaddr[2];
2608 if (cksum > 0xffff)
2609 cksum -= 0xffff;
2610
2611 cksum <<= 1;
2612 if (cksum > 0xffff)
2613 cksum -= 0xffff;
2614
2615 cksum += *(u_int16_t *) &enaddr[4];
2616 if (cksum >= 0xffff)
2617 cksum -= 0xffff;
2618
2619 if (cksum != *(u_int16_t *) &sc->sc_srom[6])
2620 return (0);
2621
2622 return (1);
2623 }
2624
2625 /*
2626 * tlp_filter_setup:
2627 *
2628 * Set the Tulip's receive filter.
2629 */
2630 static void
2631 tlp_filter_setup(struct tulip_softc *sc)
2632 {
2633 struct ethercom *ec = &sc->sc_ethercom;
2634 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
2635 struct ether_multi *enm;
2636 struct ether_multistep step;
2637 volatile u_int32_t *sp;
2638 struct tulip_txsoft *txs;
2639 u_int8_t enaddr[ETHER_ADDR_LEN];
2640 u_int32_t hash, hashsize;
2641 int cnt, nexttx;
2642
2643 DPRINTF(sc, ("%s: tlp_filter_setup: sc_flags 0x%08x\n",
2644 sc->sc_dev.dv_xname, sc->sc_flags));
2645
2646 memcpy(enaddr, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN);
2647
2648 /*
2649 * If there are transmissions pending, wait until they have
2650 * completed.
2651 */
2652 if (! SIMPLEQ_EMPTY(&sc->sc_txdirtyq) ||
2653 (sc->sc_flags & TULIPF_DOING_SETUP) != 0) {
2654 sc->sc_flags |= TULIPF_WANT_SETUP;
2655 DPRINTF(sc, ("%s: tlp_filter_setup: deferring\n",
2656 sc->sc_dev.dv_xname));
2657 return;
2658 }
2659 sc->sc_flags &= ~TULIPF_WANT_SETUP;
2660
2661 switch (sc->sc_chip) {
2662 case TULIP_CHIP_82C115:
2663 hashsize = TULIP_PNICII_HASHSIZE;
2664 break;
2665
2666 default:
2667 hashsize = TULIP_MCHASHSIZE;
2668 }
2669
2670 /*
2671 * If we're running, idle the transmit and receive engines. If
2672 * we're NOT running, we're being called from tlp_init(), and our
2673 * writing OPMODE will start the transmit and receive processes
2674 * in motion.
2675 */
2676 if (ifp->if_flags & IFF_RUNNING)
2677 tlp_idle(sc, OPMODE_ST|OPMODE_SR);
2678
2679 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM);
2680
2681 if (ifp->if_flags & IFF_PROMISC) {
2682 sc->sc_opmode |= OPMODE_PR;
2683 goto allmulti;
2684 }
2685
2686 /*
2687 * Try Perfect filtering first.
2688 */
2689
2690 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT;
2691 sp = TULIP_CDSP(sc);
2692 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN);
2693 cnt = 0;
2694 ETHER_FIRST_MULTI(step, ec, enm);
2695 while (enm != NULL) {
2696 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) {
2697 /*
2698 * We must listen to a range of multicast addresses.
2699 * For now, just accept all multicasts, rather than
2700 * trying to set only those filter bits needed to match
2701 * the range. (At this time, the only use of address
2702 * ranges is for IP multicast routing, for which the
2703 * range is big enough to require all bits set.)
2704 */
2705 goto allmulti;
2706 }
2707 if (cnt == (TULIP_MAXADDRS - 2)) {
2708 /*
2709 * We already have our multicast limit (still need
2710 * our station address and broadcast). Go to
2711 * Hash-Perfect mode.
2712 */
2713 goto hashperfect;
2714 }
2715 cnt++;
2716 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 0);
2717 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 1);
2718 *sp++ = TULIP_SP_FIELD(enm->enm_addrlo, 2);
2719 ETHER_NEXT_MULTI(step, enm);
2720 }
2721
2722 if (ifp->if_flags & IFF_BROADCAST) {
2723 /* ...and the broadcast address. */
2724 cnt++;
2725 *sp++ = TULIP_SP_FIELD_C(0xffff);
2726 *sp++ = TULIP_SP_FIELD_C(0xffff);
2727 *sp++ = TULIP_SP_FIELD_C(0xffff);
2728 }
2729
2730 /* Pad the rest with our station address. */
2731 for (; cnt < TULIP_MAXADDRS; cnt++) {
2732 *sp++ = TULIP_SP_FIELD(enaddr, 0);
2733 *sp++ = TULIP_SP_FIELD(enaddr, 1);
2734 *sp++ = TULIP_SP_FIELD(enaddr, 2);
2735 }
2736 ifp->if_flags &= ~IFF_ALLMULTI;
2737 goto setit;
2738
2739 hashperfect:
2740 /*
2741 * Try Hash-Perfect mode.
2742 */
2743
2744 /*
2745 * Some 21140 chips have broken Hash-Perfect modes. On these
2746 * chips, we simply use Hash-Only mode, and put our station
2747 * address into the filter.
2748 */
2749 if (sc->sc_chip == TULIP_CHIP_21140)
2750 sc->sc_filtmode = TDCTL_Tx_FT_HASHONLY;
2751 else
2752 sc->sc_filtmode = TDCTL_Tx_FT_HASH;
2753 sp = TULIP_CDSP(sc);
2754 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN);
2755 ETHER_FIRST_MULTI(step, ec, enm);
2756 while (enm != NULL) {
2757 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) {
2758 /*
2759 * We must listen to a range of multicast addresses.
2760 * For now, just accept all multicasts, rather than
2761 * trying to set only those filter bits needed to match
2762 * the range. (At this time, the only use of address
2763 * ranges is for IP multicast routing, for which the
2764 * range is big enough to require all bits set.)
2765 */
2766 goto allmulti;
2767 }
2768 hash = tlp_mchash(enm->enm_addrlo, hashsize);
2769 sp[hash >> 4] |= htole32(1 << (hash & 0xf));
2770 ETHER_NEXT_MULTI(step, enm);
2771 }
2772
2773 if (ifp->if_flags & IFF_BROADCAST) {
2774 /* ...and the broadcast address. */
2775 hash = tlp_mchash(etherbroadcastaddr, hashsize);
2776 sp[hash >> 4] |= htole32(1 << (hash & 0xf));
2777 }
2778
2779 if (sc->sc_filtmode == TDCTL_Tx_FT_HASHONLY) {
2780 /* ...and our station address. */
2781 hash = tlp_mchash(enaddr, hashsize);
2782 sp[hash >> 4] |= htole32(1 << (hash & 0xf));
2783 } else {
2784 /*
2785 * Hash-Perfect mode; put our station address after
2786 * the hash table.
2787 */
2788 sp[39] = TULIP_SP_FIELD(enaddr, 0);
2789 sp[40] = TULIP_SP_FIELD(enaddr, 1);
2790 sp[41] = TULIP_SP_FIELD(enaddr, 2);
2791 }
2792 ifp->if_flags &= ~IFF_ALLMULTI;
2793 goto setit;
2794
2795 allmulti:
2796 /*
2797 * Use Perfect filter mode. First address is the broadcast address,
2798 * and pad the rest with our station address. We'll set Pass-all-
2799 * multicast in OPMODE below.
2800 */
2801 sc->sc_filtmode = TDCTL_Tx_FT_PERFECT;
2802 sp = TULIP_CDSP(sc);
2803 memset(TULIP_CDSP(sc), 0, TULIP_SETUP_PACKET_LEN);
2804 cnt = 0;
2805 if (ifp->if_flags & IFF_BROADCAST) {
2806 cnt++;
2807 *sp++ = TULIP_SP_FIELD_C(0xffff);
2808 *sp++ = TULIP_SP_FIELD_C(0xffff);
2809 *sp++ = TULIP_SP_FIELD_C(0xffff);
2810 }
2811 for (; cnt < TULIP_MAXADDRS; cnt++) {
2812 *sp++ = TULIP_SP_FIELD(enaddr, 0);
2813 *sp++ = TULIP_SP_FIELD(enaddr, 1);
2814 *sp++ = TULIP_SP_FIELD(enaddr, 2);
2815 }
2816 ifp->if_flags |= IFF_ALLMULTI;
2817
2818 setit:
2819 if (ifp->if_flags & IFF_ALLMULTI)
2820 sc->sc_opmode |= OPMODE_PM;
2821
2822 /* Sync the setup packet buffer. */
2823 TULIP_CDSPSYNC(sc, BUS_DMASYNC_PREWRITE);
2824
2825 /*
2826 * Fill in the setup packet descriptor.
2827 */
2828 txs = SIMPLEQ_FIRST(&sc->sc_txfreeq);
2829
2830 txs->txs_firstdesc = sc->sc_txnext;
2831 txs->txs_lastdesc = sc->sc_txnext;
2832 txs->txs_ndescs = 1;
2833 txs->txs_mbuf = NULL;
2834
2835 nexttx = sc->sc_txnext;
2836 sc->sc_txdescs[nexttx].td_status = 0;
2837 sc->sc_txdescs[nexttx].td_bufaddr1 = htole32(TULIP_CDSPADDR(sc));
2838 sc->sc_txdescs[nexttx].td_ctl =
2839 htole32((TULIP_SETUP_PACKET_LEN << TDCTL_SIZE1_SHIFT) |
2840 sc->sc_filtmode | TDCTL_Tx_SET | sc->sc_setup_fsls |
2841 TDCTL_Tx_IC | sc->sc_tdctl_ch |
2842 (nexttx == (TULIP_NTXDESC - 1) ? sc->sc_tdctl_er : 0));
2843 TULIP_CDTXSYNC(sc, nexttx, 1,
2844 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
2845
2846 #ifdef TLP_DEBUG
2847 if (ifp->if_flags & IFF_DEBUG) {
2848 printf(" filter_setup %p transmit chain:\n", txs);
2849 printf(" descriptor %d:\n", nexttx);
2850 printf(" td_status: 0x%08x\n",
2851 le32toh(sc->sc_txdescs[nexttx].td_status));
2852 printf(" td_ctl: 0x%08x\n",
2853 le32toh(sc->sc_txdescs[nexttx].td_ctl));
2854 printf(" td_bufaddr1: 0x%08x\n",
2855 le32toh(sc->sc_txdescs[nexttx].td_bufaddr1));
2856 printf(" td_bufaddr2: 0x%08x\n",
2857 le32toh(sc->sc_txdescs[nexttx].td_bufaddr2));
2858 }
2859 #endif
2860
2861 sc->sc_txdescs[nexttx].td_status = htole32(TDSTAT_OWN);
2862 TULIP_CDTXSYNC(sc, nexttx, 1,
2863 BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE);
2864
2865 /* Advance the tx pointer. */
2866 sc->sc_txfree -= 1;
2867 sc->sc_txnext = TULIP_NEXTTX(nexttx);
2868
2869 SIMPLEQ_REMOVE_HEAD(&sc->sc_txfreeq, txs_q);
2870 SIMPLEQ_INSERT_TAIL(&sc->sc_txdirtyq, txs, txs_q);
2871
2872 /*
2873 * Set the OPMODE register. This will also resume the
2874 * transmit process we idled above.
2875 */
2876 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
2877
2878 sc->sc_flags |= TULIPF_DOING_SETUP;
2879
2880 /*
2881 * Kick the transmitter; this will cause the Tulip to
2882 * read the setup descriptor.
2883 */
2884 /* XXX USE AUTOPOLLING? */
2885 TULIP_WRITE(sc, CSR_TXPOLL, TXPOLL_TPD);
2886
2887 /* Set up a watchdog timer in case the chip flakes out. */
2888 ifp->if_timer = 5;
2889
2890 DPRINTF(sc, ("%s: tlp_filter_setup: returning\n", sc->sc_dev.dv_xname));
2891 }
2892
2893 /*
2894 * tlp_winb_filter_setup:
2895 *
2896 * Set the Winbond 89C840F's receive filter.
2897 */
2898 static void
2899 tlp_winb_filter_setup(struct tulip_softc *sc)
2900 {
2901 struct ethercom *ec = &sc->sc_ethercom;
2902 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
2903 struct ether_multi *enm;
2904 struct ether_multistep step;
2905 u_int32_t hash, mchash[2];
2906
2907 DPRINTF(sc, ("%s: tlp_winb_filter_setup: sc_flags 0x%08x\n",
2908 sc->sc_dev.dv_xname, sc->sc_flags));
2909
2910 sc->sc_opmode &= ~(OPMODE_WINB_APP|OPMODE_WINB_AMP|OPMODE_WINB_ABP);
2911
2912 if (ifp->if_flags & IFF_MULTICAST)
2913 sc->sc_opmode |= OPMODE_WINB_AMP;
2914
2915 if (ifp->if_flags & IFF_BROADCAST)
2916 sc->sc_opmode |= OPMODE_WINB_ABP;
2917
2918 if (ifp->if_flags & IFF_PROMISC) {
2919 sc->sc_opmode |= OPMODE_WINB_APP;
2920 goto allmulti;
2921 }
2922
2923 mchash[0] = mchash[1] = 0;
2924
2925 ETHER_FIRST_MULTI(step, ec, enm);
2926 while (enm != NULL) {
2927 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) {
2928 /*
2929 * We must listen to a range of multicast addresses.
2930 * For now, just accept all multicasts, rather than
2931 * trying to set only those filter bits needed to match
2932 * the range. (At this time, the only use of address
2933 * ranges is for IP multicast routing, for which the
2934 * range is big enough to require all bits set.)
2935 */
2936 goto allmulti;
2937 }
2938
2939 /*
2940 * According to the FreeBSD `wb' driver, yes, you
2941 * really do invert the hash.
2942 */
2943 hash =
2944 (~(ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26))
2945 & 0x3f;
2946 mchash[hash >> 5] |= 1 << (hash & 0x1f);
2947 ETHER_NEXT_MULTI(step, enm);
2948 }
2949 ifp->if_flags &= ~IFF_ALLMULTI;
2950 goto setit;
2951
2952 allmulti:
2953 ifp->if_flags |= IFF_ALLMULTI;
2954 mchash[0] = mchash[1] = 0xffffffff;
2955
2956 setit:
2957 TULIP_WRITE(sc, CSR_WINB_CMA0, mchash[0]);
2958 TULIP_WRITE(sc, CSR_WINB_CMA1, mchash[1]);
2959 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
2960 DPRINTF(sc, ("%s: tlp_winb_filter_setup: returning\n",
2961 sc->sc_dev.dv_xname));
2962 }
2963
2964 /*
2965 * tlp_al981_filter_setup:
2966 *
2967 * Set the ADMtek AL981's receive filter.
2968 */
2969 static void
2970 tlp_al981_filter_setup(struct tulip_softc *sc)
2971 {
2972 struct ethercom *ec = &sc->sc_ethercom;
2973 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
2974 struct ether_multi *enm;
2975 struct ether_multistep step;
2976 u_int32_t hash, mchash[2];
2977
2978 /*
2979 * If the chip is running, we need to reset the interface,
2980 * and will revisit here (with IFF_RUNNING) clear. The
2981 * chip seems to really not like to have its multicast
2982 * filter programmed without a reset.
2983 */
2984 if (ifp->if_flags & IFF_RUNNING) {
2985 (void) tlp_init(ifp);
2986 return;
2987 }
2988
2989 DPRINTF(sc, ("%s: tlp_al981_filter_setup: sc_flags 0x%08x\n",
2990 sc->sc_dev.dv_xname, sc->sc_flags));
2991
2992 sc->sc_opmode &= ~(OPMODE_PR|OPMODE_PM);
2993
2994 if (ifp->if_flags & IFF_PROMISC) {
2995 sc->sc_opmode |= OPMODE_PR;
2996 goto allmulti;
2997 }
2998
2999 mchash[0] = mchash[1] = 0;
3000
3001 ETHER_FIRST_MULTI(step, ec, enm);
3002 while (enm != NULL) {
3003 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) {
3004 /*
3005 * We must listen to a range of multicast addresses.
3006 * For now, just accept all multicasts, rather than
3007 * trying to set only those filter bits needed to match
3008 * the range. (At this time, the only use of address
3009 * ranges is for IP multicast routing, for which the
3010 * range is big enough to require all bits set.)
3011 */
3012 goto allmulti;
3013 }
3014
3015 hash = ether_crc32_le(enm->enm_addrlo, ETHER_ADDR_LEN) & 0x3f;
3016 mchash[hash >> 5] |= 1 << (hash & 0x1f);
3017 ETHER_NEXT_MULTI(step, enm);
3018 }
3019 ifp->if_flags &= ~IFF_ALLMULTI;
3020 goto setit;
3021
3022 allmulti:
3023 ifp->if_flags |= IFF_ALLMULTI;
3024 mchash[0] = mchash[1] = 0xffffffff;
3025
3026 setit:
3027 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR0, mchash[0]);
3028 bus_space_write_4(sc->sc_st, sc->sc_sh, CSR_ADM_MAR1, mchash[1]);
3029 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
3030 DPRINTF(sc, ("%s: tlp_al981_filter_setup: returning\n",
3031 sc->sc_dev.dv_xname));
3032 }
3033
3034 /*
3035 * tlp_asix_filter_setup:
3036 *
3037 * Set the ASIX AX8814x recieve filter.
3038 */
3039 static void
3040 tlp_asix_filter_setup(struct tulip_softc *sc)
3041 {
3042 struct ethercom *ec = &sc->sc_ethercom;
3043 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
3044 struct ether_multi *enm;
3045 struct ether_multistep step;
3046 u_int32_t hash, mchash[2];
3047
3048 DPRINTF(sc, ("%s: tlp_asix_filter_setup: sc_flags 0x%08x\n",
3049 sc->sc_dev.dv_xname, sc->sc_flags));
3050
3051 sc->sc_opmode &= ~(OPMODE_PM|OPMODE_AX_RB|OPMODE_PR);
3052
3053 if (ifp->if_flags & IFF_MULTICAST)
3054 sc->sc_opmode |= OPMODE_PM;
3055
3056 if (ifp->if_flags & IFF_BROADCAST)
3057 sc->sc_opmode |= OPMODE_AX_RB;
3058
3059 if (ifp->if_flags & IFF_PROMISC) {
3060 sc->sc_opmode |= OPMODE_PR;
3061 goto allmulti;
3062 }
3063
3064 mchash[0] = mchash[1] = 0;
3065
3066 ETHER_FIRST_MULTI(step, ec, enm);
3067 while (enm != NULL) {
3068 if (memcmp(enm->enm_addrlo, enm->enm_addrhi, ETHER_ADDR_LEN)) {
3069 /*
3070 * We must listen to a range of multicast addresses.
3071 * For now, just accept all multicasts, rather than
3072 * trying to set only those filter bits needed to match
3073 * the range. (At this time, the only use of address
3074 * ranges is for IP multicast routing, for which the
3075 * range is big enough to require all bits set.)
3076 */
3077 goto allmulti;
3078 }
3079 hash = (ether_crc32_be(enm->enm_addrlo, ETHER_ADDR_LEN) >> 26)
3080 & 0x3f;
3081 if (hash < 32)
3082 mchash[0] |= (1 << hash);
3083 else
3084 mchash[1] |= (1 << (hash - 32));
3085 ETHER_NEXT_MULTI(step, enm);
3086 }
3087 ifp->if_flags &= ~IFF_ALLMULTI;
3088 goto setit;
3089
3090 allmulti:
3091 ifp->if_flags |= IFF_ALLMULTI;
3092 mchash[0] = mchash[1] = 0xffffffff;
3093
3094 setit:
3095 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR0);
3096 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[0]);
3097 TULIP_WRITE(sc, CSR_AX_FILTIDX, AX_FILTIDX_MAR1);
3098 TULIP_WRITE(sc, CSR_AX_FILTDATA, mchash[1]);
3099 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
3100 DPRINTF(sc, ("%s: tlp_asix_filter_setup: returning\n",
3101 sc->sc_dev.dv_xname));
3102 }
3103
3104
3105 /*
3106 * tlp_idle:
3107 *
3108 * Cause the transmit and/or receive processes to go idle.
3109 */
3110 void
3111 tlp_idle(struct tulip_softc *sc, u_int32_t bits)
3112 {
3113 static const char * const tlp_tx_state_names[] = {
3114 "STOPPED",
3115 "RUNNING - FETCH",
3116 "RUNNING - WAIT",
3117 "RUNNING - READING",
3118 "-- RESERVED --",
3119 "RUNNING - SETUP",
3120 "SUSPENDED",
3121 "RUNNING - CLOSE",
3122 };
3123 static const char * const tlp_rx_state_names[] = {
3124 "STOPPED",
3125 "RUNNING - FETCH",
3126 "RUNNING - CHECK",
3127 "RUNNING - WAIT",
3128 "SUSPENDED",
3129 "RUNNING - CLOSE",
3130 "RUNNING - FLUSH",
3131 "RUNNING - QUEUE",
3132 };
3133 static const char * const dm9102_tx_state_names[] = {
3134 "STOPPED",
3135 "RUNNING - FETCH",
3136 "RUNNING - SETUP",
3137 "RUNNING - READING",
3138 "RUNNING - CLOSE - CLEAR OWNER",
3139 "RUNNING - WAIT",
3140 "RUNNING - CLOSE - WRITE STATUS",
3141 "SUSPENDED",
3142 };
3143 static const char * const dm9102_rx_state_names[] = {
3144 "STOPPED",
3145 "RUNNING - FETCH",
3146 "RUNNING - WAIT",
3147 "RUNNING - QUEUE",
3148 "RUNNING - CLOSE - CLEAR OWNER",
3149 "RUNNING - CLOSE - WRITE STATUS",
3150 "SUSPENDED",
3151 "RUNNING - FLUSH",
3152 };
3153
3154 const char * const *tx_state_names, * const *rx_state_names;
3155 u_int32_t csr, ackmask = 0;
3156 int i;
3157
3158 switch (sc->sc_chip) {
3159 case TULIP_CHIP_DM9102:
3160 case TULIP_CHIP_DM9102A:
3161 tx_state_names = dm9102_tx_state_names;
3162 rx_state_names = dm9102_rx_state_names;
3163 break;
3164
3165 default:
3166 tx_state_names = tlp_tx_state_names;
3167 rx_state_names = tlp_rx_state_names;
3168 break;
3169 }
3170
3171 if (bits & OPMODE_ST)
3172 ackmask |= STATUS_TPS;
3173
3174 if (bits & OPMODE_SR)
3175 ackmask |= STATUS_RPS;
3176
3177 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode & ~bits);
3178
3179 for (i = 0; i < 1000; i++) {
3180 if (TULIP_ISSET(sc, CSR_STATUS, ackmask) == ackmask)
3181 break;
3182 delay(10);
3183 }
3184
3185 csr = TULIP_READ(sc, CSR_STATUS);
3186 if ((csr & ackmask) != ackmask) {
3187 if ((bits & OPMODE_ST) != 0 && (csr & STATUS_TPS) == 0 &&
3188 (csr & STATUS_TS) != STATUS_TS_STOPPED) {
3189 switch (sc->sc_chip) {
3190 case TULIP_CHIP_AX88140:
3191 case TULIP_CHIP_AX88141:
3192 /*
3193 * Filter the message out on noisy chips.
3194 */
3195 break;
3196 default:
3197 printf("%s: transmit process failed to idle: "
3198 "state %s\n", sc->sc_dev.dv_xname,
3199 tx_state_names[(csr & STATUS_TS) >> 20]);
3200 }
3201 }
3202 if ((bits & OPMODE_SR) != 0 && (csr & STATUS_RPS) == 0 &&
3203 (csr & STATUS_RS) != STATUS_RS_STOPPED) {
3204 switch (sc->sc_chip) {
3205 case TULIP_CHIP_AN983:
3206 case TULIP_CHIP_AN985:
3207 case TULIP_CHIP_DM9102A:
3208 case TULIP_CHIP_RS7112:
3209 /*
3210 * Filter the message out on noisy chips.
3211 */
3212 break;
3213 default:
3214 printf("%s: receive process failed to idle: "
3215 "state %s\n", sc->sc_dev.dv_xname,
3216 rx_state_names[(csr & STATUS_RS) >> 17]);
3217 }
3218 }
3219 }
3220 TULIP_WRITE(sc, CSR_STATUS, ackmask);
3221 }
3222
3223 /*****************************************************************************
3224 * Generic media support functions.
3225 *****************************************************************************/
3226
3227 /*
3228 * tlp_mediastatus: [ifmedia interface function]
3229 *
3230 * Query the current media.
3231 */
3232 void
3233 tlp_mediastatus(struct ifnet *ifp, struct ifmediareq *ifmr)
3234 {
3235 struct tulip_softc *sc = ifp->if_softc;
3236
3237 if (TULIP_IS_ENABLED(sc) == 0) {
3238 ifmr->ifm_active = IFM_ETHER | IFM_NONE;
3239 ifmr->ifm_status = 0;
3240 return;
3241 }
3242
3243 (*sc->sc_mediasw->tmsw_get)(sc, ifmr);
3244 }
3245
3246 /*
3247 * tlp_mediachange: [ifmedia interface function]
3248 *
3249 * Update the current media.
3250 */
3251 int
3252 tlp_mediachange(struct ifnet *ifp)
3253 {
3254 struct tulip_softc *sc = ifp->if_softc;
3255
3256 if ((ifp->if_flags & IFF_UP) == 0)
3257 return (0);
3258 return ((*sc->sc_mediasw->tmsw_set)(sc));
3259 }
3260
3261 /*****************************************************************************
3262 * Support functions for MII-attached media.
3263 *****************************************************************************/
3264
3265 /*
3266 * tlp_mii_tick:
3267 *
3268 * One second timer, used to tick the MII.
3269 */
3270 static void
3271 tlp_mii_tick(void *arg)
3272 {
3273 struct tulip_softc *sc = arg;
3274 int s;
3275
3276 if (!device_is_active(&sc->sc_dev))
3277 return;
3278
3279 s = splnet();
3280 mii_tick(&sc->sc_mii);
3281 splx(s);
3282
3283 callout_reset(&sc->sc_tick_callout, hz, sc->sc_tick, sc);
3284 }
3285
3286 /*
3287 * tlp_mii_statchg: [mii interface function]
3288 *
3289 * Callback from PHY when media changes.
3290 */
3291 static void
3292 tlp_mii_statchg(struct device *self)
3293 {
3294 struct tulip_softc *sc = (struct tulip_softc *)self;
3295
3296 /* Idle the transmit and receive processes. */
3297 tlp_idle(sc, OPMODE_ST|OPMODE_SR);
3298
3299 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_HBD);
3300
3301 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T)
3302 sc->sc_opmode |= OPMODE_TTM;
3303 else
3304 sc->sc_opmode |= OPMODE_HBD;
3305
3306 if (sc->sc_mii.mii_media_active & IFM_FDX)
3307 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD;
3308
3309 /*
3310 * Write new OPMODE bits. This also restarts the transmit
3311 * and receive processes.
3312 */
3313 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
3314 }
3315
3316 /*
3317 * tlp_winb_mii_statchg: [mii interface function]
3318 *
3319 * Callback from PHY when media changes. This version is
3320 * for the Winbond 89C840F, which has different OPMODE bits.
3321 */
3322 static void
3323 tlp_winb_mii_statchg(struct device *self)
3324 {
3325 struct tulip_softc *sc = (struct tulip_softc *)self;
3326
3327 /* Idle the transmit and receive processes. */
3328 tlp_idle(sc, OPMODE_ST|OPMODE_SR);
3329
3330 sc->sc_opmode &= ~(OPMODE_WINB_FES|OPMODE_FD);
3331
3332 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_100_TX)
3333 sc->sc_opmode |= OPMODE_WINB_FES;
3334
3335 if (sc->sc_mii.mii_media_active & IFM_FDX)
3336 sc->sc_opmode |= OPMODE_FD;
3337
3338 /*
3339 * Write new OPMODE bits. This also restarts the transmit
3340 * and receive processes.
3341 */
3342 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
3343 }
3344
3345 /*
3346 * tlp_dm9102_mii_statchg: [mii interface function]
3347 *
3348 * Callback from PHY when media changes. This version is
3349 * for the DM9102.
3350 */
3351 static void
3352 tlp_dm9102_mii_statchg(struct device *self)
3353 {
3354 struct tulip_softc *sc = (struct tulip_softc *)self;
3355
3356 /*
3357 * Don't idle the transmit and receive processes, here. It
3358 * seems to fail, and just causes excess noise.
3359 */
3360 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD);
3361
3362 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) != IFM_100_TX)
3363 sc->sc_opmode |= OPMODE_TTM;
3364
3365 if (sc->sc_mii.mii_media_active & IFM_FDX)
3366 sc->sc_opmode |= OPMODE_FD;
3367
3368 /*
3369 * Write new OPMODE bits.
3370 */
3371 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
3372 }
3373
3374 /*
3375 * tlp_mii_getmedia:
3376 *
3377 * Callback from ifmedia to request current media status.
3378 */
3379 static void
3380 tlp_mii_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr)
3381 {
3382
3383 mii_pollstat(&sc->sc_mii);
3384 ifmr->ifm_status = sc->sc_mii.mii_media_status;
3385 ifmr->ifm_active = sc->sc_mii.mii_media_active;
3386 }
3387
3388 /*
3389 * tlp_mii_setmedia:
3390 *
3391 * Callback from ifmedia to request new media setting.
3392 */
3393 static int
3394 tlp_mii_setmedia(struct tulip_softc *sc)
3395 {
3396 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
3397
3398 if (ifp->if_flags & IFF_UP) {
3399 switch (sc->sc_chip) {
3400 case TULIP_CHIP_21142:
3401 case TULIP_CHIP_21143:
3402 /* Disable the internal Nway engine. */
3403 TULIP_WRITE(sc, CSR_SIATXRX, 0);
3404 break;
3405
3406 default:
3407 /* Nothing. */
3408 break;
3409 }
3410 mii_mediachg(&sc->sc_mii);
3411 }
3412 return (0);
3413 }
3414
3415 /*
3416 * tlp_bitbang_mii_readreg:
3417 *
3418 * Read a PHY register via bit-bang'ing the MII.
3419 */
3420 static int
3421 tlp_bitbang_mii_readreg(struct device *self, int phy, int reg)
3422 {
3423 struct tulip_softc *sc = (void *) self;
3424
3425 return (mii_bitbang_readreg(self, sc->sc_bitbang_ops, phy, reg));
3426 }
3427
3428 /*
3429 * tlp_bitbang_mii_writereg:
3430 *
3431 * Write a PHY register via bit-bang'ing the MII.
3432 */
3433 static void
3434 tlp_bitbang_mii_writereg(struct device *self, int phy, int reg, int val)
3435 {
3436 struct tulip_softc *sc = (void *) self;
3437
3438 mii_bitbang_writereg(self, sc->sc_bitbang_ops, phy, reg, val);
3439 }
3440
3441 /*
3442 * tlp_sio_mii_bitbang_read:
3443 *
3444 * Read the MII serial port for the MII bit-bang module.
3445 */
3446 static u_int32_t
3447 tlp_sio_mii_bitbang_read(struct device *self)
3448 {
3449 struct tulip_softc *sc = (void *) self;
3450
3451 return (TULIP_READ(sc, CSR_MIIROM));
3452 }
3453
3454 /*
3455 * tlp_sio_mii_bitbang_write:
3456 *
3457 * Write the MII serial port for the MII bit-bang module.
3458 */
3459 static void
3460 tlp_sio_mii_bitbang_write(struct device *self, u_int32_t val)
3461 {
3462 struct tulip_softc *sc = (void *) self;
3463
3464 TULIP_WRITE(sc, CSR_MIIROM, val);
3465 }
3466
3467 /*
3468 * tlp_pnic_mii_readreg:
3469 *
3470 * Read a PHY register on the Lite-On PNIC.
3471 */
3472 static int
3473 tlp_pnic_mii_readreg(struct device *self, int phy, int reg)
3474 {
3475 struct tulip_softc *sc = (void *) self;
3476 u_int32_t val;
3477 int i;
3478
3479 TULIP_WRITE(sc, CSR_PNIC_MII,
3480 PNIC_MII_MBO | PNIC_MII_RESERVED |
3481 PNIC_MII_READ | (phy << PNIC_MII_PHYSHIFT) |
3482 (reg << PNIC_MII_REGSHIFT));
3483
3484 for (i = 0; i < 1000; i++) {
3485 delay(10);
3486 val = TULIP_READ(sc, CSR_PNIC_MII);
3487 if ((val & PNIC_MII_BUSY) == 0) {
3488 if ((val & PNIC_MII_DATA) == PNIC_MII_DATA)
3489 return (0);
3490 else
3491 return (val & PNIC_MII_DATA);
3492 }
3493 }
3494 printf("%s: MII read timed out\n", sc->sc_dev.dv_xname);
3495 return (0);
3496 }
3497
3498 /*
3499 * tlp_pnic_mii_writereg:
3500 *
3501 * Write a PHY register on the Lite-On PNIC.
3502 */
3503 static void
3504 tlp_pnic_mii_writereg(struct device *self, int phy, int reg, int val)
3505 {
3506 struct tulip_softc *sc = (void *) self;
3507 int i;
3508
3509 TULIP_WRITE(sc, CSR_PNIC_MII,
3510 PNIC_MII_MBO | PNIC_MII_RESERVED |
3511 PNIC_MII_WRITE | (phy << PNIC_MII_PHYSHIFT) |
3512 (reg << PNIC_MII_REGSHIFT) | val);
3513
3514 for (i = 0; i < 1000; i++) {
3515 delay(10);
3516 if (TULIP_ISSET(sc, CSR_PNIC_MII, PNIC_MII_BUSY) == 0)
3517 return;
3518 }
3519 printf("%s: MII write timed out\n", sc->sc_dev.dv_xname);
3520 }
3521
3522 static const bus_addr_t tlp_al981_phy_regmap[] = {
3523 CSR_ADM_BMCR,
3524 CSR_ADM_BMSR,
3525 CSR_ADM_PHYIDR1,
3526 CSR_ADM_PHYIDR2,
3527 CSR_ADM_ANAR,
3528 CSR_ADM_ANLPAR,
3529 CSR_ADM_ANER,
3530
3531 CSR_ADM_XMC,
3532 CSR_ADM_XCIIS,
3533 CSR_ADM_XIE,
3534 CSR_ADM_100CTR,
3535 };
3536 static const int tlp_al981_phy_regmap_size = sizeof(tlp_al981_phy_regmap) /
3537 sizeof(tlp_al981_phy_regmap[0]);
3538
3539 /*
3540 * tlp_al981_mii_readreg:
3541 *
3542 * Read a PHY register on the ADMtek AL981.
3543 */
3544 static int
3545 tlp_al981_mii_readreg(struct device *self, int phy, int reg)
3546 {
3547 struct tulip_softc *sc = (struct tulip_softc *)self;
3548
3549 /* AL981 only has an internal PHY. */
3550 if (phy != 0)
3551 return (0);
3552
3553 if (reg >= tlp_al981_phy_regmap_size)
3554 return (0);
3555
3556 return (bus_space_read_4(sc->sc_st, sc->sc_sh,
3557 tlp_al981_phy_regmap[reg]) & 0xffff);
3558 }
3559
3560 /*
3561 * tlp_al981_mii_writereg:
3562 *
3563 * Write a PHY register on the ADMtek AL981.
3564 */
3565 static void
3566 tlp_al981_mii_writereg(struct device *self, int phy, int reg, int val)
3567 {
3568 struct tulip_softc *sc = (struct tulip_softc *)self;
3569
3570 /* AL981 only has an internal PHY. */
3571 if (phy != 0)
3572 return;
3573
3574 if (reg >= tlp_al981_phy_regmap_size)
3575 return;
3576
3577 bus_space_write_4(sc->sc_st, sc->sc_sh,
3578 tlp_al981_phy_regmap[reg], val);
3579 }
3580
3581 /*****************************************************************************
3582 * Chip-specific pre-init and reset functions.
3583 *****************************************************************************/
3584
3585 /*
3586 * tlp_2114x_preinit:
3587 *
3588 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143.
3589 */
3590 static void
3591 tlp_2114x_preinit(struct tulip_softc *sc)
3592 {
3593 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
3594 struct tulip_21x4x_media *tm = ife->ifm_aux;
3595
3596 /*
3597 * Whether or not we're in MII or SIA/SYM mode, the media info
3598 * contains the appropriate OPMODE bits.
3599 *
3600 * Also, we always set the Must-Be-One bit.
3601 */
3602 sc->sc_opmode |= OPMODE_MBO | tm->tm_opmode;
3603
3604 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
3605 }
3606
3607 /*
3608 * tlp_2114x_mii_preinit:
3609 *
3610 * Pre-init function shared by DECchip 21140, 21140A, 21142, and 21143.
3611 * This version is used by boards which only have MII and don't have
3612 * an ISV SROM.
3613 */
3614 static void
3615 tlp_2114x_mii_preinit(struct tulip_softc *sc)
3616 {
3617
3618 /*
3619 * Always set the Must-Be-One bit, and Port Select (to select MII).
3620 * We'll never be called during a media change.
3621 */
3622 sc->sc_opmode |= OPMODE_MBO|OPMODE_PS;
3623 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
3624 }
3625
3626 /*
3627 * tlp_pnic_preinit:
3628 *
3629 * Pre-init function for the Lite-On 82c168 and 82c169.
3630 */
3631 static void
3632 tlp_pnic_preinit(struct tulip_softc *sc)
3633 {
3634
3635 if (sc->sc_flags & TULIPF_HAS_MII) {
3636 /*
3637 * MII case: just set the port-select bit; we will never
3638 * be called during a media change.
3639 */
3640 sc->sc_opmode |= OPMODE_PS;
3641 } else {
3642 /*
3643 * ENDEC/PCS/Nway mode; enable the Tx backoff counter.
3644 */
3645 sc->sc_opmode |= OPMODE_PNIC_TBEN;
3646 }
3647 }
3648
3649 /*
3650 * tlp_asix_preinit:
3651 *
3652 * Pre-init function for the ASIX chipsets.
3653 */
3654 static void
3655 tlp_asix_preinit(struct tulip_softc *sc)
3656 {
3657
3658 switch (sc->sc_chip) {
3659 case TULIP_CHIP_AX88140:
3660 case TULIP_CHIP_AX88141:
3661 /* XXX Handle PHY. */
3662 sc->sc_opmode |= OPMODE_HBD|OPMODE_PS;
3663 break;
3664 default:
3665 /* Nothing */
3666 break;
3667 }
3668
3669 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
3670 }
3671
3672 /*
3673 * tlp_dm9102_preinit:
3674 *
3675 * Pre-init function for the Davicom DM9102.
3676 */
3677 static void
3678 tlp_dm9102_preinit(struct tulip_softc *sc)
3679 {
3680
3681 switch (sc->sc_chip) {
3682 case TULIP_CHIP_DM9102:
3683 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD|OPMODE_PS;
3684 break;
3685
3686 case TULIP_CHIP_DM9102A:
3687 /*
3688 * XXX Figure out how to actually deal with the HomePNA
3689 * XXX portion of the DM9102A.
3690 */
3691 sc->sc_opmode |= OPMODE_MBO|OPMODE_HBD;
3692 break;
3693
3694 default:
3695 /* Nothing. */
3696 break;
3697 }
3698
3699 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
3700 }
3701
3702 /*
3703 * tlp_21140_reset:
3704 *
3705 * Issue a reset sequence on the 21140 via the GPIO facility.
3706 */
3707 static void
3708 tlp_21140_reset(struct tulip_softc *sc)
3709 {
3710 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
3711 struct tulip_21x4x_media *tm = ife->ifm_aux;
3712 int i;
3713
3714 /* First, set the direction on the GPIO pins. */
3715 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir);
3716
3717 /* Now, issue the reset sequence. */
3718 for (i = 0; i < tm->tm_reset_length; i++) {
3719 delay(10);
3720 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_reset_offset + i]);
3721 }
3722
3723 /* Now, issue the selection sequence. */
3724 for (i = 0; i < tm->tm_gp_length; i++) {
3725 delay(10);
3726 TULIP_WRITE(sc, CSR_GPP, sc->sc_srom[tm->tm_gp_offset + i]);
3727 }
3728
3729 /* If there were no sequences, just lower the pins. */
3730 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) {
3731 delay(10);
3732 TULIP_WRITE(sc, CSR_GPP, 0);
3733 }
3734 }
3735
3736 /*
3737 * tlp_21142_reset:
3738 *
3739 * Issue a reset sequence on the 21142 via the GPIO facility.
3740 */
3741 static void
3742 tlp_21142_reset(struct tulip_softc *sc)
3743 {
3744 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
3745 struct tulip_21x4x_media *tm = ife->ifm_aux;
3746 const u_int8_t *cp;
3747 int i;
3748
3749 cp = &sc->sc_srom[tm->tm_reset_offset];
3750 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) {
3751 delay(10);
3752 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16);
3753 }
3754
3755 cp = &sc->sc_srom[tm->tm_gp_offset];
3756 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) {
3757 delay(10);
3758 TULIP_WRITE(sc, CSR_SIAGEN, TULIP_ROM_GETW(cp, 0) << 16);
3759 }
3760
3761 /* If there were no sequences, just lower the pins. */
3762 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) {
3763 delay(10);
3764 TULIP_WRITE(sc, CSR_SIAGEN, 0);
3765 }
3766 }
3767
3768 /*
3769 * tlp_pmac_reset:
3770 *
3771 * Reset routine for Macronix chips.
3772 */
3773 static void
3774 tlp_pmac_reset(struct tulip_softc *sc)
3775 {
3776
3777 switch (sc->sc_chip) {
3778 case TULIP_CHIP_82C115:
3779 case TULIP_CHIP_MX98715:
3780 case TULIP_CHIP_MX98715A:
3781 case TULIP_CHIP_MX98725:
3782 /*
3783 * Set the LED operating mode. This information is located
3784 * in the EEPROM at byte offset 0x77, per the MX98715A and
3785 * MX98725 application notes.
3786 */
3787 TULIP_WRITE(sc, CSR_MIIROM, sc->sc_srom[0x77] << 24);
3788 break;
3789 case TULIP_CHIP_MX98715AEC_X:
3790 /*
3791 * Set the LED operating mode. This information is located
3792 * in the EEPROM at byte offset 0x76, per the MX98715AEC
3793 * application note.
3794 */
3795 TULIP_WRITE(sc, CSR_MIIROM, ((0xf & sc->sc_srom[0x76]) << 28)
3796 | ((0xf0 & sc->sc_srom[0x76]) << 20));
3797 break;
3798
3799 default:
3800 /* Nothing. */
3801 break;
3802 }
3803 }
3804
3805 #if 0
3806 /*
3807 * tlp_dm9102_reset:
3808 *
3809 * Reset routine for the Davicom DM9102.
3810 */
3811 static void
3812 tlp_dm9102_reset(struct tulip_softc *sc)
3813 {
3814
3815 TULIP_WRITE(sc, CSR_DM_PHYSTAT, DM_PHYSTAT_GEPC|DM_PHYSTAT_GPED);
3816 delay(100);
3817 TULIP_WRITE(sc, CSR_DM_PHYSTAT, 0);
3818 }
3819 #endif
3820
3821 /*****************************************************************************
3822 * Chip/board-specific media switches. The ones here are ones that
3823 * are potentially common to multiple front-ends.
3824 *****************************************************************************/
3825
3826 /*
3827 * This table is a common place for all sorts of media information,
3828 * keyed off of the SROM media code for that media.
3829 *
3830 * Note that we explicitly configure the 21142/21143 to always advertise
3831 * NWay capabilities when using the UTP port.
3832 * XXX Actually, we don't yet.
3833 */
3834 static const struct tulip_srom_to_ifmedia tulip_srom_to_ifmedia_table[] = {
3835 { TULIP_ROM_MB_MEDIA_TP, IFM_10_T, 0,
3836 "10baseT",
3837 OPMODE_TTM,
3838 BMSR_10THDX,
3839 { SIACONN_21040_10BASET,
3840 SIATXRX_21040_10BASET,
3841 SIAGEN_21040_10BASET },
3842
3843 { SIACONN_21041_10BASET,
3844 SIATXRX_21041_10BASET,
3845 SIAGEN_21041_10BASET },
3846
3847 { SIACONN_21142_10BASET,
3848 SIATXRX_21142_10BASET,
3849 SIAGEN_21142_10BASET } },
3850
3851 { TULIP_ROM_MB_MEDIA_BNC, IFM_10_2, 0,
3852 "10base2",
3853 0,
3854 0,
3855 { 0,
3856 0,
3857 0 },
3858
3859 { SIACONN_21041_BNC,
3860 SIATXRX_21041_BNC,
3861 SIAGEN_21041_BNC },
3862
3863 { SIACONN_21142_BNC,
3864 SIATXRX_21142_BNC,
3865 SIAGEN_21142_BNC } },
3866
3867 { TULIP_ROM_MB_MEDIA_AUI, IFM_10_5, 0,
3868 "10base5",
3869 0,
3870 0,
3871 { SIACONN_21040_AUI,
3872 SIATXRX_21040_AUI,
3873 SIAGEN_21040_AUI },
3874
3875 { SIACONN_21041_AUI,
3876 SIATXRX_21041_AUI,
3877 SIAGEN_21041_AUI },
3878
3879 { SIACONN_21142_AUI,
3880 SIATXRX_21142_AUI,
3881 SIAGEN_21142_AUI } },
3882
3883 { TULIP_ROM_MB_MEDIA_100TX, IFM_100_TX, 0,
3884 "100baseTX",
3885 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD,
3886 BMSR_100TXHDX,
3887 { 0,
3888 0,
3889 0 },
3890
3891 { 0,
3892 0,
3893 0 },
3894
3895 { 0,
3896 0,
3897 SIAGEN_ABM } },
3898
3899 { TULIP_ROM_MB_MEDIA_TP_FDX, IFM_10_T, IFM_FDX,
3900 "10baseT-FDX",
3901 OPMODE_TTM|OPMODE_FD|OPMODE_HBD,
3902 BMSR_10TFDX,
3903 { SIACONN_21040_10BASET_FDX,
3904 SIATXRX_21040_10BASET_FDX,
3905 SIAGEN_21040_10BASET_FDX },
3906
3907 { SIACONN_21041_10BASET_FDX,
3908 SIATXRX_21041_10BASET_FDX,
3909 SIAGEN_21041_10BASET_FDX },
3910
3911 { SIACONN_21142_10BASET_FDX,
3912 SIATXRX_21142_10BASET_FDX,
3913 SIAGEN_21142_10BASET_FDX } },
3914
3915 { TULIP_ROM_MB_MEDIA_100TX_FDX, IFM_100_TX, IFM_FDX,
3916 "100baseTX-FDX",
3917 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD|OPMODE_HBD,
3918 BMSR_100TXFDX,
3919 { 0,
3920 0,
3921 0 },
3922
3923 { 0,
3924 0,
3925 0 },
3926
3927 { 0,
3928 0,
3929 SIAGEN_ABM } },
3930
3931 { TULIP_ROM_MB_MEDIA_100T4, IFM_100_T4, 0,
3932 "100baseT4",
3933 OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD,
3934 BMSR_100T4,
3935 { 0,
3936 0,
3937 0 },
3938
3939 { 0,
3940 0,
3941 0 },
3942
3943 { 0,
3944 0,
3945 SIAGEN_ABM } },
3946
3947 { TULIP_ROM_MB_MEDIA_100FX, IFM_100_FX, 0,
3948 "100baseFX",
3949 OPMODE_PS|OPMODE_PCS|OPMODE_HBD,
3950 0,
3951 { 0,
3952 0,
3953 0 },
3954
3955 { 0,
3956 0,
3957 0 },
3958
3959 { 0,
3960 0,
3961 SIAGEN_ABM } },
3962
3963 { TULIP_ROM_MB_MEDIA_100FX_FDX, IFM_100_FX, IFM_FDX,
3964 "100baseFX-FDX",
3965 OPMODE_PS|OPMODE_PCS|OPMODE_FD|OPMODE_HBD,
3966 0,
3967 { 0,
3968 0,
3969 0 },
3970
3971 { 0,
3972 0,
3973 0 },
3974
3975 { 0,
3976 0,
3977 SIAGEN_ABM } },
3978
3979 { 0, 0, 0,
3980 NULL,
3981 0,
3982 0,
3983 { 0,
3984 0,
3985 0 },
3986
3987 { 0,
3988 0,
3989 0 },
3990
3991 { 0,
3992 0,
3993 0 } },
3994 };
3995
3996 static const struct tulip_srom_to_ifmedia *tlp_srom_to_ifmedia(u_int8_t);
3997 static void tlp_srom_media_info(struct tulip_softc *,
3998 const struct tulip_srom_to_ifmedia *,
3999 struct tulip_21x4x_media *);
4000 static void tlp_add_srom_media(struct tulip_softc *, int,
4001 void (*)(struct tulip_softc *, struct ifmediareq *),
4002 int (*)(struct tulip_softc *), const u_int8_t *, int);
4003 static void tlp_print_media(struct tulip_softc *);
4004 static void tlp_nway_activate(struct tulip_softc *, int);
4005 static void tlp_get_minst(struct tulip_softc *);
4006
4007 static const struct tulip_srom_to_ifmedia *
4008 tlp_srom_to_ifmedia(u_int8_t sm)
4009 {
4010 const struct tulip_srom_to_ifmedia *tsti;
4011
4012 for (tsti = tulip_srom_to_ifmedia_table;
4013 tsti->tsti_name != NULL; tsti++) {
4014 if (tsti->tsti_srom == sm)
4015 return (tsti);
4016 }
4017
4018 return (NULL);
4019 }
4020
4021 static void
4022 tlp_srom_media_info(struct tulip_softc *sc,
4023 const struct tulip_srom_to_ifmedia *tsti, struct tulip_21x4x_media *tm)
4024 {
4025
4026 tm->tm_name = tsti->tsti_name;
4027 tm->tm_opmode = tsti->tsti_opmode;
4028
4029 sc->sc_sia_cap |= tsti->tsti_sia_cap;
4030
4031 switch (sc->sc_chip) {
4032 case TULIP_CHIP_DE425:
4033 case TULIP_CHIP_21040:
4034 tm->tm_sia = tsti->tsti_21040; /* struct assignment */
4035 break;
4036
4037 case TULIP_CHIP_21041:
4038 tm->tm_sia = tsti->tsti_21041; /* struct assignment */
4039 break;
4040
4041 case TULIP_CHIP_21142:
4042 case TULIP_CHIP_21143:
4043 case TULIP_CHIP_82C115:
4044 case TULIP_CHIP_MX98715:
4045 case TULIP_CHIP_MX98715A:
4046 case TULIP_CHIP_MX98715AEC_X:
4047 case TULIP_CHIP_MX98725:
4048 tm->tm_sia = tsti->tsti_21142; /* struct assignment */
4049 break;
4050
4051 default:
4052 /* Nothing. */
4053 break;
4054 }
4055 }
4056
4057 static void
4058 tlp_add_srom_media(struct tulip_softc *sc, int type,
4059 void (*get)(struct tulip_softc *, struct ifmediareq *),
4060 int (*set)(struct tulip_softc *), const u_int8_t *list,
4061 int cnt)
4062 {
4063 struct tulip_21x4x_media *tm;
4064 const struct tulip_srom_to_ifmedia *tsti;
4065 int i;
4066
4067 for (i = 0; i < cnt; i++) {
4068 tsti = tlp_srom_to_ifmedia(list[i]);
4069 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
4070 tlp_srom_media_info(sc, tsti, tm);
4071 tm->tm_type = type;
4072 tm->tm_get = get;
4073 tm->tm_set = set;
4074
4075 ifmedia_add(&sc->sc_mii.mii_media,
4076 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype,
4077 tsti->tsti_options, sc->sc_tlp_minst), 0, tm);
4078 }
4079 }
4080
4081 static void
4082 tlp_print_media(struct tulip_softc *sc)
4083 {
4084 struct ifmedia_entry *ife;
4085 struct tulip_21x4x_media *tm;
4086 const char *sep = "";
4087
4088 #define PRINT(str) printf("%s%s", sep, str); sep = ", "
4089
4090 printf("%s: ", sc->sc_dev.dv_xname);
4091 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list);
4092 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) {
4093 tm = ife->ifm_aux;
4094 if (tm == NULL) {
4095 #ifdef DIAGNOSTIC
4096 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
4097 panic("tlp_print_media");
4098 #endif
4099 PRINT("auto");
4100 } else if (tm->tm_type != TULIP_ROM_MB_21140_MII &&
4101 tm->tm_type != TULIP_ROM_MB_21142_MII) {
4102 PRINT(tm->tm_name);
4103 }
4104 }
4105 printf("\n");
4106
4107 #undef PRINT
4108 }
4109
4110 static void
4111 tlp_nway_activate(struct tulip_softc *sc, int media)
4112 {
4113 struct ifmedia_entry *ife;
4114
4115 ife = ifmedia_match(&sc->sc_mii.mii_media, media, 0);
4116 #ifdef DIAGNOSTIC
4117 if (ife == NULL)
4118 panic("tlp_nway_activate");
4119 #endif
4120 sc->sc_nway_active = ife;
4121 }
4122
4123 static void
4124 tlp_get_minst(struct tulip_softc *sc)
4125 {
4126
4127 if ((sc->sc_media_seen &
4128 ~((1 << TULIP_ROM_MB_21140_MII) |
4129 (1 << TULIP_ROM_MB_21142_MII))) == 0) {
4130 /*
4131 * We have not yet seen any SIA/SYM media (but are
4132 * about to; that's why we're called!), so assign
4133 * the current media instance to be the `internal media'
4134 * instance, and advance it so any MII media gets a
4135 * fresh one (used to selecting/isolating a PHY).
4136 */
4137 sc->sc_tlp_minst = sc->sc_mii.mii_instance++;
4138 }
4139 }
4140
4141 /*
4142 * SIA Utility functions.
4143 */
4144 static void tlp_sia_update_link(struct tulip_softc *);
4145 static void tlp_sia_get(struct tulip_softc *, struct ifmediareq *);
4146 static int tlp_sia_set(struct tulip_softc *);
4147 static int tlp_sia_media(struct tulip_softc *, struct ifmedia_entry *);
4148 static void tlp_sia_fixup(struct tulip_softc *);
4149
4150 static void
4151 tlp_sia_update_link(struct tulip_softc *sc)
4152 {
4153 struct ifmedia_entry *ife;
4154 struct tulip_21x4x_media *tm;
4155 u_int32_t siastat;
4156
4157 ife = TULIP_CURRENT_MEDIA(sc);
4158 tm = ife->ifm_aux;
4159
4160 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID);
4161
4162 siastat = TULIP_READ(sc, CSR_SIASTAT);
4163
4164 /*
4165 * Note that when we do SIA link tests, we are assuming that
4166 * the chip is really in the mode that the current media setting
4167 * reflects. If we're not, then the link tests will not be
4168 * accurate!
4169 */
4170 switch (IFM_SUBTYPE(ife->ifm_media)) {
4171 case IFM_10_T:
4172 sc->sc_flags |= TULIPF_LINK_VALID;
4173 if ((siastat & SIASTAT_LS10) == 0)
4174 sc->sc_flags |= TULIPF_LINK_UP;
4175 break;
4176
4177 case IFM_100_TX:
4178 case IFM_100_T4:
4179 sc->sc_flags |= TULIPF_LINK_VALID;
4180 if ((siastat & SIASTAT_LS100) == 0)
4181 sc->sc_flags |= TULIPF_LINK_UP;
4182 break;
4183 }
4184
4185 switch (sc->sc_chip) {
4186 case TULIP_CHIP_21142:
4187 case TULIP_CHIP_21143:
4188 /*
4189 * On these chips, we can tell more information about
4190 * AUI/BNC. Note that the AUI/BNC selection is made
4191 * in a different register; for our purpose, it's all
4192 * AUI.
4193 */
4194 switch (IFM_SUBTYPE(ife->ifm_media)) {
4195 case IFM_10_2:
4196 case IFM_10_5:
4197 sc->sc_flags |= TULIPF_LINK_VALID;
4198 if (siastat & SIASTAT_ARA) {
4199 TULIP_WRITE(sc, CSR_SIASTAT, SIASTAT_ARA);
4200 sc->sc_flags |= TULIPF_LINK_UP;
4201 }
4202 break;
4203
4204 default:
4205 /*
4206 * If we're SYM media and can detect the link
4207 * via the GPIO facility, prefer that status
4208 * over LS100.
4209 */
4210 if (tm->tm_type == TULIP_ROM_MB_21143_SYM &&
4211 tm->tm_actmask != 0) {
4212 sc->sc_flags = (sc->sc_flags &
4213 ~TULIPF_LINK_UP) | TULIPF_LINK_VALID;
4214 if (TULIP_ISSET(sc, CSR_SIAGEN,
4215 tm->tm_actmask) == tm->tm_actdata)
4216 sc->sc_flags |= TULIPF_LINK_UP;
4217 }
4218 }
4219 break;
4220
4221 default:
4222 /* Nothing. */
4223 break;
4224 }
4225 }
4226
4227 static void
4228 tlp_sia_get(struct tulip_softc *sc, struct ifmediareq *ifmr)
4229 {
4230 struct ifmedia_entry *ife;
4231
4232 ifmr->ifm_status = 0;
4233
4234 tlp_sia_update_link(sc);
4235
4236 ife = TULIP_CURRENT_MEDIA(sc);
4237
4238 if (sc->sc_flags & TULIPF_LINK_VALID)
4239 ifmr->ifm_status |= IFM_AVALID;
4240 if (sc->sc_flags & TULIPF_LINK_UP)
4241 ifmr->ifm_status |= IFM_ACTIVE;
4242 ifmr->ifm_active = ife->ifm_media;
4243 }
4244
4245 static void
4246 tlp_sia_fixup(struct tulip_softc *sc)
4247 {
4248 struct ifmedia_entry *ife;
4249 struct tulip_21x4x_media *tm;
4250 u_int32_t siaconn, siatxrx, siagen;
4251
4252 switch (sc->sc_chip) {
4253 case TULIP_CHIP_82C115:
4254 case TULIP_CHIP_MX98713A:
4255 case TULIP_CHIP_MX98715:
4256 case TULIP_CHIP_MX98715A:
4257 case TULIP_CHIP_MX98715AEC_X:
4258 case TULIP_CHIP_MX98725:
4259 siaconn = PMAC_SIACONN_MASK;
4260 siatxrx = PMAC_SIATXRX_MASK;
4261 siagen = PMAC_SIAGEN_MASK;
4262 break;
4263
4264 default:
4265 /* No fixups required on any other chips. */
4266 return;
4267 }
4268
4269 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list);
4270 ife != NULL; ife = TAILQ_NEXT(ife, ifm_list)) {
4271 tm = ife->ifm_aux;
4272 if (tm == NULL)
4273 continue;
4274
4275 tm->tm_siaconn &= siaconn;
4276 tm->tm_siatxrx &= siatxrx;
4277 tm->tm_siagen &= siagen;
4278 }
4279 }
4280
4281 static int
4282 tlp_sia_set(struct tulip_softc *sc)
4283 {
4284
4285 return (tlp_sia_media(sc, TULIP_CURRENT_MEDIA(sc)));
4286 }
4287
4288 static int
4289 tlp_sia_media(struct tulip_softc *sc, struct ifmedia_entry *ife)
4290 {
4291 struct tulip_21x4x_media *tm;
4292
4293 tm = ife->ifm_aux;
4294
4295 /*
4296 * XXX This appears to be necessary on a bunch of the clone chips.
4297 */
4298 delay(20000);
4299
4300 /*
4301 * Idle the chip.
4302 */
4303 tlp_idle(sc, OPMODE_ST|OPMODE_SR);
4304
4305 /*
4306 * Program the SIA. It's important to write in this order,
4307 * resetting the SIA first.
4308 */
4309 TULIP_WRITE(sc, CSR_SIACONN, 0); /* SRL bit clear */
4310 delay(1000);
4311
4312 TULIP_WRITE(sc, CSR_SIATXRX, tm->tm_siatxrx);
4313
4314 switch (sc->sc_chip) {
4315 case TULIP_CHIP_21142:
4316 case TULIP_CHIP_21143:
4317 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpctl);
4318 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen | tm->tm_gpdata);
4319 break;
4320 default:
4321 TULIP_WRITE(sc, CSR_SIAGEN, tm->tm_siagen);
4322 }
4323
4324 TULIP_WRITE(sc, CSR_SIACONN, tm->tm_siaconn);
4325
4326 /*
4327 * Set the OPMODE bits for this media and write OPMODE.
4328 * This will resume the transmit and receive processes.
4329 */
4330 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode;
4331 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
4332
4333 return (0);
4334 }
4335
4336 /*
4337 * 21140 GPIO utility functions.
4338 */
4339 static void tlp_21140_gpio_update_link(struct tulip_softc *);
4340
4341 static void
4342 tlp_21140_gpio_update_link(struct tulip_softc *sc)
4343 {
4344 struct ifmedia_entry *ife;
4345 struct tulip_21x4x_media *tm;
4346
4347 ife = TULIP_CURRENT_MEDIA(sc);
4348 tm = ife->ifm_aux;
4349
4350 sc->sc_flags &= ~(TULIPF_LINK_UP|TULIPF_LINK_VALID);
4351
4352 if (tm->tm_actmask != 0) {
4353 sc->sc_flags |= TULIPF_LINK_VALID;
4354 if (TULIP_ISSET(sc, CSR_GPP, tm->tm_actmask) ==
4355 tm->tm_actdata)
4356 sc->sc_flags |= TULIPF_LINK_UP;
4357 }
4358 }
4359
4360 void
4361 tlp_21140_gpio_get(struct tulip_softc *sc, struct ifmediareq *ifmr)
4362 {
4363 struct ifmedia_entry *ife;
4364
4365 ifmr->ifm_status = 0;
4366
4367 tlp_21140_gpio_update_link(sc);
4368
4369 ife = TULIP_CURRENT_MEDIA(sc);
4370
4371 if (sc->sc_flags & TULIPF_LINK_VALID)
4372 ifmr->ifm_status |= IFM_AVALID;
4373 if (sc->sc_flags & TULIPF_LINK_UP)
4374 ifmr->ifm_status |= IFM_ACTIVE;
4375 ifmr->ifm_active = ife->ifm_media;
4376 }
4377
4378 int
4379 tlp_21140_gpio_set(struct tulip_softc *sc)
4380 {
4381 struct ifmedia_entry *ife;
4382 struct tulip_21x4x_media *tm;
4383
4384 ife = TULIP_CURRENT_MEDIA(sc);
4385 tm = ife->ifm_aux;
4386
4387 /*
4388 * Idle the chip.
4389 */
4390 tlp_idle(sc, OPMODE_ST|OPMODE_SR);
4391
4392 /*
4393 * Set the GPIO pins for this media, to flip any
4394 * relays, etc.
4395 */
4396 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir);
4397 delay(10);
4398 TULIP_WRITE(sc, CSR_GPP, tm->tm_gpdata);
4399
4400 /*
4401 * Set the OPMODE bits for this media and write OPMODE.
4402 * This will resume the transmit and receive processes.
4403 */
4404 sc->sc_opmode = (sc->sc_opmode & ~OPMODE_MEDIA_BITS) | tm->tm_opmode;
4405 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
4406
4407 return (0);
4408 }
4409
4410 /*
4411 * 21040 and 21041 media switches.
4412 */
4413 static void tlp_21040_tmsw_init(struct tulip_softc *);
4414 static void tlp_21040_tp_tmsw_init(struct tulip_softc *);
4415 static void tlp_21040_auibnc_tmsw_init(struct tulip_softc *);
4416 static void tlp_21041_tmsw_init(struct tulip_softc *);
4417
4418 const struct tulip_mediasw tlp_21040_mediasw = {
4419 tlp_21040_tmsw_init, tlp_sia_get, tlp_sia_set
4420 };
4421
4422 const struct tulip_mediasw tlp_21040_tp_mediasw = {
4423 tlp_21040_tp_tmsw_init, tlp_sia_get, tlp_sia_set
4424 };
4425
4426 const struct tulip_mediasw tlp_21040_auibnc_mediasw = {
4427 tlp_21040_auibnc_tmsw_init, tlp_sia_get, tlp_sia_set
4428 };
4429
4430 const struct tulip_mediasw tlp_21041_mediasw = {
4431 tlp_21041_tmsw_init, tlp_sia_get, tlp_sia_set
4432 };
4433
4434 static void
4435 tlp_21040_tmsw_init(struct tulip_softc *sc)
4436 {
4437 static const u_int8_t media[] = {
4438 TULIP_ROM_MB_MEDIA_TP,
4439 TULIP_ROM_MB_MEDIA_TP_FDX,
4440 TULIP_ROM_MB_MEDIA_AUI,
4441 };
4442 struct tulip_21x4x_media *tm;
4443
4444 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
4445 tlp_mediastatus);
4446
4447 tlp_add_srom_media(sc, 0, NULL, NULL, media, 3);
4448
4449 /*
4450 * No SROM type for External SIA.
4451 */
4452 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
4453 tm->tm_name = "manual";
4454 tm->tm_opmode = 0;
4455 tm->tm_siaconn = SIACONN_21040_EXTSIA;
4456 tm->tm_siatxrx = SIATXRX_21040_EXTSIA;
4457 tm->tm_siagen = SIAGEN_21040_EXTSIA;
4458 ifmedia_add(&sc->sc_mii.mii_media,
4459 IFM_MAKEWORD(IFM_ETHER, IFM_MANUAL, 0, sc->sc_tlp_minst), 0, tm);
4460
4461 /*
4462 * XXX Autosense not yet supported.
4463 */
4464
4465 /* XXX This should be auto-sense. */
4466 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T);
4467
4468 tlp_print_media(sc);
4469 }
4470
4471 static void
4472 tlp_21040_tp_tmsw_init(struct tulip_softc *sc)
4473 {
4474 static const u_int8_t media[] = {
4475 TULIP_ROM_MB_MEDIA_TP,
4476 TULIP_ROM_MB_MEDIA_TP_FDX,
4477 };
4478
4479 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
4480 tlp_mediastatus);
4481
4482 tlp_add_srom_media(sc, 0, NULL, NULL, media, 2);
4483
4484 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T);
4485
4486 tlp_print_media(sc);
4487 }
4488
4489 static void
4490 tlp_21040_auibnc_tmsw_init(struct tulip_softc *sc)
4491 {
4492 static const u_int8_t media[] = {
4493 TULIP_ROM_MB_MEDIA_AUI,
4494 };
4495
4496 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
4497 tlp_mediastatus);
4498
4499 tlp_add_srom_media(sc, 0, NULL, NULL, media, 1);
4500
4501 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_5);
4502
4503 tlp_print_media(sc);
4504 }
4505
4506 static void
4507 tlp_21041_tmsw_init(struct tulip_softc *sc)
4508 {
4509 static const u_int8_t media[] = {
4510 TULIP_ROM_MB_MEDIA_TP,
4511 TULIP_ROM_MB_MEDIA_TP_FDX,
4512 TULIP_ROM_MB_MEDIA_BNC,
4513 TULIP_ROM_MB_MEDIA_AUI,
4514 };
4515 int i, defmedia, devcnt, leaf_offset, mb_offset, m_cnt;
4516 const struct tulip_srom_to_ifmedia *tsti;
4517 struct tulip_21x4x_media *tm;
4518 u_int16_t romdef;
4519 u_int8_t mb;
4520
4521 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
4522 tlp_mediastatus);
4523
4524 if (tlp_isv_srom(sc->sc_srom) == 0) {
4525 not_isv_srom:
4526 /*
4527 * If we have a board without the standard 21041 SROM format,
4528 * we just assume all media are present and try and pick a
4529 * reasonable default.
4530 */
4531 tlp_add_srom_media(sc, 0, NULL, NULL, media, 4);
4532
4533 /*
4534 * XXX Autosense not yet supported.
4535 */
4536
4537 /* XXX This should be auto-sense. */
4538 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T);
4539
4540 tlp_print_media(sc);
4541 return;
4542 }
4543
4544 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT];
4545 for (i = 0; i < devcnt; i++) {
4546 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1)
4547 break;
4548 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] ==
4549 sc->sc_devno)
4550 break;
4551 }
4552
4553 if (i == devcnt)
4554 goto not_isv_srom;
4555
4556 leaf_offset = TULIP_ROM_GETW(sc->sc_srom,
4557 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i));
4558 mb_offset = leaf_offset + TULIP_ROM_IL_MEDIAn_BLOCK_BASE;
4559 m_cnt = sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT];
4560
4561 for (; m_cnt != 0;
4562 m_cnt--, mb_offset += TULIP_ROM_MB_SIZE(mb)) {
4563 mb = sc->sc_srom[mb_offset];
4564 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
4565 switch (mb & TULIP_ROM_MB_MEDIA_CODE) {
4566 case TULIP_ROM_MB_MEDIA_TP_FDX:
4567 case TULIP_ROM_MB_MEDIA_TP:
4568 case TULIP_ROM_MB_MEDIA_BNC:
4569 case TULIP_ROM_MB_MEDIA_AUI:
4570 tsti = tlp_srom_to_ifmedia(mb &
4571 TULIP_ROM_MB_MEDIA_CODE);
4572
4573 tlp_srom_media_info(sc, tsti, tm);
4574
4575 /*
4576 * Override our default SIA settings if the
4577 * SROM contains its own.
4578 */
4579 if (mb & TULIP_ROM_MB_EXT) {
4580 tm->tm_siaconn = TULIP_ROM_GETW(sc->sc_srom,
4581 mb_offset + TULIP_ROM_MB_CSR13);
4582 tm->tm_siatxrx = TULIP_ROM_GETW(sc->sc_srom,
4583 mb_offset + TULIP_ROM_MB_CSR14);
4584 tm->tm_siagen = TULIP_ROM_GETW(sc->sc_srom,
4585 mb_offset + TULIP_ROM_MB_CSR15);
4586 }
4587
4588 ifmedia_add(&sc->sc_mii.mii_media,
4589 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype,
4590 tsti->tsti_options, sc->sc_tlp_minst), 0, tm);
4591 break;
4592
4593 default:
4594 printf("%s: unknown media code 0x%02x\n",
4595 sc->sc_dev.dv_xname,
4596 mb & TULIP_ROM_MB_MEDIA_CODE);
4597 free(tm, M_DEVBUF);
4598 }
4599 }
4600
4601 /*
4602 * XXX Autosense not yet supported.
4603 */
4604
4605 romdef = TULIP_ROM_GETW(sc->sc_srom, leaf_offset +
4606 TULIP_ROM_IL_SELECT_CONN_TYPE);
4607 switch (romdef) {
4608 case SELECT_CONN_TYPE_TP:
4609 case SELECT_CONN_TYPE_TP_AUTONEG:
4610 case SELECT_CONN_TYPE_TP_NOLINKPASS:
4611 defmedia = IFM_ETHER|IFM_10_T;
4612 break;
4613
4614 case SELECT_CONN_TYPE_TP_FDX:
4615 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX;
4616 break;
4617
4618 case SELECT_CONN_TYPE_BNC:
4619 defmedia = IFM_ETHER|IFM_10_2;
4620 break;
4621
4622 case SELECT_CONN_TYPE_AUI:
4623 defmedia = IFM_ETHER|IFM_10_5;
4624 break;
4625 #if 0 /* XXX */
4626 case SELECT_CONN_TYPE_ASENSE:
4627 case SELECT_CONN_TYPE_ASENSE_AUTONEG:
4628 defmedia = IFM_ETHER|IFM_AUTO;
4629 break;
4630 #endif
4631 default:
4632 defmedia = 0;
4633 }
4634
4635 if (defmedia == 0) {
4636 /*
4637 * XXX We should default to auto-sense.
4638 */
4639 defmedia = IFM_ETHER|IFM_10_T;
4640 }
4641
4642 ifmedia_set(&sc->sc_mii.mii_media, defmedia);
4643
4644 tlp_print_media(sc);
4645 }
4646
4647 /*
4648 * DECchip 2114x ISV media switch.
4649 */
4650 static void tlp_2114x_isv_tmsw_init(struct tulip_softc *);
4651 static void tlp_2114x_isv_tmsw_get(struct tulip_softc *,
4652 struct ifmediareq *);
4653 static int tlp_2114x_isv_tmsw_set(struct tulip_softc *);
4654
4655 const struct tulip_mediasw tlp_2114x_isv_mediasw = {
4656 tlp_2114x_isv_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set
4657 };
4658
4659 static void tlp_2114x_nway_get(struct tulip_softc *, struct ifmediareq *);
4660 static int tlp_2114x_nway_set(struct tulip_softc *);
4661
4662 static void tlp_2114x_nway_statchg(struct device *);
4663 static int tlp_2114x_nway_service(struct tulip_softc *, int);
4664 static void tlp_2114x_nway_auto(struct tulip_softc *);
4665 static void tlp_2114x_nway_status(struct tulip_softc *);
4666
4667 static void
4668 tlp_2114x_isv_tmsw_init(struct tulip_softc *sc)
4669 {
4670 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
4671 struct ifmedia_entry *ife;
4672 struct mii_softc *phy;
4673 struct tulip_21x4x_media *tm;
4674 const struct tulip_srom_to_ifmedia *tsti;
4675 int i, devcnt, leaf_offset, m_cnt, type, length;
4676 int defmedia, miidef;
4677 u_int16_t word;
4678 u_int8_t *cp, *ncp;
4679
4680 defmedia = miidef = 0;
4681
4682 sc->sc_mii.mii_ifp = ifp;
4683 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg;
4684 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg;
4685 sc->sc_mii.mii_statchg = sc->sc_statchg;
4686
4687 /*
4688 * Ignore `instance'; we may get a mixture of SIA and MII
4689 * media, and `instance' is used to isolate or select the
4690 * PHY on the MII as appropriate. Note that duplicate media
4691 * are disallowed, so ignoring `instance' is safe.
4692 */
4693 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, tlp_mediachange,
4694 tlp_mediastatus);
4695
4696 devcnt = sc->sc_srom[TULIP_ROM_CHIP_COUNT];
4697 for (i = 0; i < devcnt; i++) {
4698 if (sc->sc_srom[TULIP_ROM_CHIP_COUNT] == 1)
4699 break;
4700 if (sc->sc_srom[TULIP_ROM_CHIPn_DEVICE_NUMBER(i)] ==
4701 sc->sc_devno)
4702 break;
4703 }
4704
4705 if (i == devcnt) {
4706 printf("%s: unable to locate info leaf in SROM\n",
4707 sc->sc_dev.dv_xname);
4708 return;
4709 }
4710
4711 leaf_offset = TULIP_ROM_GETW(sc->sc_srom,
4712 TULIP_ROM_CHIPn_INFO_LEAF_OFFSET(i));
4713
4714 /* XXX SELECT CONN TYPE */
4715
4716 cp = &sc->sc_srom[leaf_offset + TULIP_ROM_IL_MEDIA_COUNT];
4717
4718 /*
4719 * On some chips, the first thing in the Info Leaf is the
4720 * GPIO pin direction data.
4721 */
4722 switch (sc->sc_chip) {
4723 case TULIP_CHIP_21140:
4724 case TULIP_CHIP_21140A:
4725 case TULIP_CHIP_MX98713:
4726 case TULIP_CHIP_AX88140:
4727 case TULIP_CHIP_AX88141:
4728 sc->sc_gp_dir = *cp++;
4729 break;
4730
4731 default:
4732 /* Nothing. */
4733 break;
4734 }
4735
4736 /* Get the media count. */
4737 m_cnt = *cp++;
4738
4739 if (m_cnt == 0) {
4740 sc->sc_mediasw = &tlp_sio_mii_mediasw;
4741 (*sc->sc_mediasw->tmsw_init)(sc);
4742 return;
4743 }
4744
4745 for (; m_cnt != 0; cp = ncp, m_cnt--) {
4746 /*
4747 * Determine the type and length of this media block.
4748 * The 21143 is spec'd to always use extended format blocks,
4749 * but some cards don't set the bit to indicate this.
4750 * Hopefully there are no cards which really don't use
4751 * extended format blocks.
4752 */
4753 if ((*cp & 0x80) == 0 && sc->sc_chip != TULIP_CHIP_21143) {
4754 length = 4;
4755 type = TULIP_ROM_MB_21140_GPR;
4756 } else {
4757 length = (*cp++ & 0x7f) - 1;
4758 type = *cp++ & 0x3f;
4759 }
4760
4761 /* Compute the start of the next block. */
4762 ncp = cp + length;
4763
4764 /* Now, parse the block. */
4765 switch (type) {
4766 case TULIP_ROM_MB_21140_GPR:
4767 tlp_get_minst(sc);
4768 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_GPR;
4769
4770 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
4771
4772 tm->tm_type = TULIP_ROM_MB_21140_GPR;
4773 tm->tm_get = tlp_21140_gpio_get;
4774 tm->tm_set = tlp_21140_gpio_set;
4775
4776 /* First is the media type code. */
4777 tsti = tlp_srom_to_ifmedia(cp[0] &
4778 TULIP_ROM_MB_MEDIA_CODE);
4779 if (tsti == NULL) {
4780 /* Invalid media code. */
4781 free(tm, M_DEVBUF);
4782 break;
4783 }
4784
4785 /* Get defaults. */
4786 tlp_srom_media_info(sc, tsti, tm);
4787
4788 /* Next is any GPIO info for this media. */
4789 tm->tm_gpdata = cp[1];
4790
4791 /*
4792 * Next is a word containing OPMODE information
4793 * and info on how to detect if this media is
4794 * active.
4795 */
4796 word = TULIP_ROM_GETW(cp, 2);
4797 tm->tm_opmode &= OPMODE_FD;
4798 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word);
4799 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) {
4800 tm->tm_actmask =
4801 TULIP_ROM_MB_BITPOS(word);
4802 tm->tm_actdata =
4803 (word & TULIP_ROM_MB_POLARITY) ?
4804 0 : tm->tm_actmask;
4805 }
4806
4807 ifmedia_add(&sc->sc_mii.mii_media,
4808 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype,
4809 tsti->tsti_options, sc->sc_tlp_minst), 0, tm);
4810 break;
4811
4812 case TULIP_ROM_MB_21140_MII:
4813 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21140_MII;
4814
4815 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
4816
4817 tm->tm_type = TULIP_ROM_MB_21140_MII;
4818 tm->tm_get = tlp_mii_getmedia;
4819 tm->tm_set = tlp_mii_setmedia;
4820 tm->tm_opmode = OPMODE_PS;
4821
4822 if (sc->sc_reset == NULL)
4823 sc->sc_reset = tlp_21140_reset;
4824
4825 /* First is the PHY number. */
4826 tm->tm_phyno = *cp++;
4827
4828 /* Next is the MII select sequence length and offset. */
4829 tm->tm_gp_length = *cp++;
4830 tm->tm_gp_offset = cp - &sc->sc_srom[0];
4831 cp += tm->tm_gp_length;
4832
4833 /* Next is the MII reset sequence length and offset. */
4834 tm->tm_reset_length = *cp++;
4835 tm->tm_reset_offset = cp - &sc->sc_srom[0];
4836 cp += tm->tm_reset_length;
4837
4838 /*
4839 * The following items are left in the media block
4840 * that we don't particularly care about:
4841 *
4842 * capabilities W
4843 * advertisement W
4844 * full duplex W
4845 * tx threshold W
4846 *
4847 * These appear to be bits in the PHY registers,
4848 * which our MII code handles on its own.
4849 */
4850
4851 /*
4852 * Before we probe the MII bus, we need to reset
4853 * it and issue the selection sequence.
4854 */
4855
4856 /* Set the direction of the pins... */
4857 TULIP_WRITE(sc, CSR_GPP, GPP_GPC|sc->sc_gp_dir);
4858
4859 for (i = 0; i < tm->tm_reset_length; i++) {
4860 delay(10);
4861 TULIP_WRITE(sc, CSR_GPP,
4862 sc->sc_srom[tm->tm_reset_offset + i]);
4863 }
4864
4865 for (i = 0; i < tm->tm_gp_length; i++) {
4866 delay(10);
4867 TULIP_WRITE(sc, CSR_GPP,
4868 sc->sc_srom[tm->tm_gp_offset + i]);
4869 }
4870
4871 /* If there were no sequences, just lower the pins. */
4872 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) {
4873 delay(10);
4874 TULIP_WRITE(sc, CSR_GPP, 0);
4875 }
4876
4877 /*
4878 * Now, probe the MII for the PHY. Note, we know
4879 * the location of the PHY on the bus, but we don't
4880 * particularly care; the MII code just likes to
4881 * search the whole thing anyhow.
4882 */
4883 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff,
4884 MII_PHY_ANY, tm->tm_phyno, 0);
4885
4886 /*
4887 * Now, search for the PHY we hopefully just
4888 * configured. If it's not configured into the
4889 * kernel, we lose. The PHY's default media always
4890 * takes priority.
4891 */
4892 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys);
4893 phy != NULL;
4894 phy = LIST_NEXT(phy, mii_list))
4895 if (phy->mii_offset == tm->tm_phyno)
4896 break;
4897 if (phy == NULL) {
4898 printf("%s: unable to configure MII\n",
4899 sc->sc_dev.dv_xname);
4900 break;
4901 }
4902
4903 sc->sc_flags |= TULIPF_HAS_MII;
4904 sc->sc_tick = tlp_mii_tick;
4905 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0,
4906 phy->mii_inst);
4907
4908 /*
4909 * Okay, now that we've found the PHY and the MII
4910 * layer has added all of the media associated
4911 * with that PHY, we need to traverse the media
4912 * list, and add our `tm' to each entry's `aux'
4913 * pointer.
4914 *
4915 * We do this by looking for media with our
4916 * PHY's `instance'.
4917 */
4918 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list);
4919 ife != NULL;
4920 ife = TAILQ_NEXT(ife, ifm_list)) {
4921 if (IFM_INST(ife->ifm_media) != phy->mii_inst)
4922 continue;
4923 ife->ifm_aux = tm;
4924 }
4925 break;
4926
4927 case TULIP_ROM_MB_21142_SIA:
4928 tlp_get_minst(sc);
4929 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_SIA;
4930
4931 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
4932
4933 tm->tm_type = TULIP_ROM_MB_21142_SIA;
4934 tm->tm_get = tlp_sia_get;
4935 tm->tm_set = tlp_sia_set;
4936
4937 /* First is the media type code. */
4938 tsti = tlp_srom_to_ifmedia(cp[0] &
4939 TULIP_ROM_MB_MEDIA_CODE);
4940 if (tsti == NULL) {
4941 /* Invalid media code. */
4942 free(tm, M_DEVBUF);
4943 break;
4944 }
4945
4946 /* Get defaults. */
4947 tlp_srom_media_info(sc, tsti, tm);
4948
4949 /*
4950 * Override our default SIA settings if the
4951 * SROM contains its own.
4952 */
4953 if (cp[0] & 0x40) {
4954 tm->tm_siaconn = TULIP_ROM_GETW(cp, 1);
4955 tm->tm_siatxrx = TULIP_ROM_GETW(cp, 3);
4956 tm->tm_siagen = TULIP_ROM_GETW(cp, 5);
4957 cp += 7;
4958 } else
4959 cp++;
4960
4961 /* Next is GPIO control/data. */
4962 tm->tm_gpctl = TULIP_ROM_GETW(cp, 0) << 16;
4963 tm->tm_gpdata = TULIP_ROM_GETW(cp, 2) << 16;
4964
4965 ifmedia_add(&sc->sc_mii.mii_media,
4966 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype,
4967 tsti->tsti_options, sc->sc_tlp_minst), 0, tm);
4968 break;
4969
4970 case TULIP_ROM_MB_21142_MII:
4971 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21142_MII;
4972
4973 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
4974
4975 tm->tm_type = TULIP_ROM_MB_21142_MII;
4976 tm->tm_get = tlp_mii_getmedia;
4977 tm->tm_set = tlp_mii_setmedia;
4978 tm->tm_opmode = OPMODE_PS;
4979
4980 if (sc->sc_reset == NULL)
4981 sc->sc_reset = tlp_21142_reset;
4982
4983 /* First is the PHY number. */
4984 tm->tm_phyno = *cp++;
4985
4986 /* Next is the MII select sequence length and offset. */
4987 tm->tm_gp_length = *cp++;
4988 tm->tm_gp_offset = cp - &sc->sc_srom[0];
4989 cp += tm->tm_gp_length * 2;
4990
4991 /* Next is the MII reset sequence length and offset. */
4992 tm->tm_reset_length = *cp++;
4993 tm->tm_reset_offset = cp - &sc->sc_srom[0];
4994 cp += tm->tm_reset_length * 2;
4995
4996 /*
4997 * The following items are left in the media block
4998 * that we don't particularly care about:
4999 *
5000 * capabilities W
5001 * advertisement W
5002 * full duplex W
5003 * tx threshold W
5004 * MII interrupt W
5005 *
5006 * These appear to be bits in the PHY registers,
5007 * which our MII code handles on its own.
5008 */
5009
5010 /*
5011 * Before we probe the MII bus, we need to reset
5012 * it and issue the selection sequence.
5013 */
5014
5015 cp = &sc->sc_srom[tm->tm_reset_offset];
5016 for (i = 0; i < tm->tm_reset_length; i++, cp += 2) {
5017 delay(10);
5018 TULIP_WRITE(sc, CSR_SIAGEN,
5019 TULIP_ROM_GETW(cp, 0) << 16);
5020 }
5021
5022 cp = &sc->sc_srom[tm->tm_gp_offset];
5023 for (i = 0; i < tm->tm_gp_length; i++, cp += 2) {
5024 delay(10);
5025 TULIP_WRITE(sc, CSR_SIAGEN,
5026 TULIP_ROM_GETW(cp, 0) << 16);
5027 }
5028
5029 /* If there were no sequences, just lower the pins. */
5030 if (tm->tm_reset_length == 0 && tm->tm_gp_length == 0) {
5031 delay(10);
5032 TULIP_WRITE(sc, CSR_SIAGEN, 0);
5033 }
5034
5035 /*
5036 * Now, probe the MII for the PHY. Note, we know
5037 * the location of the PHY on the bus, but we don't
5038 * particularly care; the MII code just likes to
5039 * search the whole thing anyhow.
5040 */
5041 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff,
5042 MII_PHY_ANY, tm->tm_phyno, 0);
5043
5044 /*
5045 * Now, search for the PHY we hopefully just
5046 * configured. If it's not configured into the
5047 * kernel, we lose. The PHY's default media always
5048 * takes priority.
5049 */
5050 for (phy = LIST_FIRST(&sc->sc_mii.mii_phys);
5051 phy != NULL;
5052 phy = LIST_NEXT(phy, mii_list))
5053 if (phy->mii_offset == tm->tm_phyno)
5054 break;
5055 if (phy == NULL) {
5056 printf("%s: unable to configure MII\n",
5057 sc->sc_dev.dv_xname);
5058 break;
5059 }
5060
5061 sc->sc_flags |= TULIPF_HAS_MII;
5062 sc->sc_tick = tlp_mii_tick;
5063 miidef = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0,
5064 phy->mii_inst);
5065
5066 /*
5067 * Okay, now that we've found the PHY and the MII
5068 * layer has added all of the media associated
5069 * with that PHY, we need to traverse the media
5070 * list, and add our `tm' to each entry's `aux'
5071 * pointer.
5072 *
5073 * We do this by looking for media with our
5074 * PHY's `instance'.
5075 */
5076 for (ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list);
5077 ife != NULL;
5078 ife = TAILQ_NEXT(ife, ifm_list)) {
5079 if (IFM_INST(ife->ifm_media) != phy->mii_inst)
5080 continue;
5081 ife->ifm_aux = tm;
5082 }
5083 break;
5084
5085 case TULIP_ROM_MB_21143_SYM:
5086 tlp_get_minst(sc);
5087 sc->sc_media_seen |= 1 << TULIP_ROM_MB_21143_SYM;
5088
5089 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
5090
5091 tm->tm_type = TULIP_ROM_MB_21143_SYM;
5092 tm->tm_get = tlp_sia_get;
5093 tm->tm_set = tlp_sia_set;
5094
5095 /* First is the media type code. */
5096 tsti = tlp_srom_to_ifmedia(cp[0] &
5097 TULIP_ROM_MB_MEDIA_CODE);
5098 if (tsti == NULL) {
5099 /* Invalid media code. */
5100 free(tm, M_DEVBUF);
5101 break;
5102 }
5103
5104 /* Get defaults. */
5105 tlp_srom_media_info(sc, tsti, tm);
5106
5107 /* Next is GPIO control/data. */
5108 tm->tm_gpctl = TULIP_ROM_GETW(cp, 1) << 16;
5109 tm->tm_gpdata = TULIP_ROM_GETW(cp, 3) << 16;
5110
5111 /*
5112 * Next is a word containing OPMODE information
5113 * and info on how to detect if this media is
5114 * active.
5115 */
5116 word = TULIP_ROM_GETW(cp, 5);
5117 tm->tm_opmode &= OPMODE_FD;
5118 tm->tm_opmode |= TULIP_ROM_MB_OPMODE(word);
5119 if ((word & TULIP_ROM_MB_NOINDICATOR) == 0) {
5120 tm->tm_actmask =
5121 TULIP_ROM_MB_BITPOS(word);
5122 tm->tm_actdata =
5123 (word & TULIP_ROM_MB_POLARITY) ?
5124 0 : tm->tm_actmask;
5125 }
5126
5127 ifmedia_add(&sc->sc_mii.mii_media,
5128 IFM_MAKEWORD(IFM_ETHER, tsti->tsti_subtype,
5129 tsti->tsti_options, sc->sc_tlp_minst), 0, tm);
5130 break;
5131
5132 case TULIP_ROM_MB_21143_RESET:
5133 printf("%s: 21143 reset block\n", sc->sc_dev.dv_xname);
5134 break;
5135
5136 default:
5137 printf("%s: unknown ISV media block type 0x%02x\n",
5138 sc->sc_dev.dv_xname, type);
5139 }
5140 }
5141
5142 /*
5143 * Deal with the case where no media is configured.
5144 */
5145 if (TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list) == NULL) {
5146 printf("%s: no media found!\n", sc->sc_dev.dv_xname);
5147 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
5148 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
5149 return;
5150 }
5151
5152 /*
5153 * Pick the default media.
5154 */
5155 if (miidef != 0)
5156 defmedia = miidef;
5157 else {
5158 switch (sc->sc_chip) {
5159 case TULIP_CHIP_21140:
5160 case TULIP_CHIP_21140A:
5161 /* XXX should come from SROM */
5162 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0);
5163 if (ifmedia_match(&sc->sc_mii.mii_media, defmedia,
5164 sc->sc_mii.mii_media.ifm_mask) == NULL) {
5165 /*
5166 * There is not a 10baseT media.
5167 * Fall back to the first found one.
5168 */
5169 ife = TAILQ_FIRST(&sc->sc_mii.mii_media.ifm_list);
5170 defmedia = ife->ifm_media;
5171 }
5172 break;
5173
5174 case TULIP_CHIP_21142:
5175 case TULIP_CHIP_21143:
5176 case TULIP_CHIP_MX98713A:
5177 case TULIP_CHIP_MX98715:
5178 case TULIP_CHIP_MX98715A:
5179 case TULIP_CHIP_MX98715AEC_X:
5180 case TULIP_CHIP_MX98725:
5181 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
5182 tm->tm_name = "auto";
5183 tm->tm_get = tlp_2114x_nway_get;
5184 tm->tm_set = tlp_2114x_nway_set;
5185
5186 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0);
5187 ifmedia_add(&sc->sc_mii.mii_media, defmedia, 0, tm);
5188
5189 sc->sc_statchg = tlp_2114x_nway_statchg;
5190 sc->sc_tick = tlp_2114x_nway_tick;
5191 break;
5192
5193 default:
5194 defmedia = IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0);
5195 break;
5196 }
5197 }
5198
5199 ifmedia_set(&sc->sc_mii.mii_media, defmedia);
5200
5201 /*
5202 * Display any non-MII media we've located.
5203 */
5204 if (sc->sc_media_seen &
5205 ~((1 << TULIP_ROM_MB_21140_MII) | (1 << TULIP_ROM_MB_21142_MII)))
5206 tlp_print_media(sc);
5207
5208 tlp_sia_fixup(sc);
5209 }
5210
5211 static void
5212 tlp_2114x_nway_get(struct tulip_softc *sc, struct ifmediareq *ifmr)
5213 {
5214
5215 (void) tlp_2114x_nway_service(sc, MII_POLLSTAT);
5216 ifmr->ifm_status = sc->sc_mii.mii_media_status;
5217 ifmr->ifm_active = sc->sc_mii.mii_media_active;
5218 }
5219
5220 static int
5221 tlp_2114x_nway_set(struct tulip_softc *sc)
5222 {
5223
5224 return (tlp_2114x_nway_service(sc, MII_MEDIACHG));
5225 }
5226
5227 static void
5228 tlp_2114x_nway_statchg(struct device *self)
5229 {
5230 struct tulip_softc *sc = (struct tulip_softc *)self;
5231 struct mii_data *mii = &sc->sc_mii;
5232 struct ifmedia_entry *ife;
5233
5234 if (IFM_SUBTYPE(mii->mii_media_active) == IFM_NONE)
5235 return;
5236
5237 if ((ife = ifmedia_match(&mii->mii_media, mii->mii_media_active,
5238 mii->mii_media.ifm_mask)) == NULL) {
5239 printf("tlp_2114x_nway_statchg: no match for media 0x%x/0x%x\n",
5240 mii->mii_media_active, ~mii->mii_media.ifm_mask);
5241 panic("tlp_2114x_nway_statchg");
5242 }
5243
5244 tlp_sia_media(sc, ife);
5245 }
5246
5247 static void
5248 tlp_2114x_nway_tick(void *arg)
5249 {
5250 struct tulip_softc *sc = arg;
5251 struct mii_data *mii = &sc->sc_mii;
5252 int s, ticks;
5253
5254 if (!device_is_active(&sc->sc_dev))
5255 return;
5256
5257 s = splnet();
5258 tlp_2114x_nway_service(sc, MII_TICK);
5259 if ((sc->sc_flags & TULIPF_LINK_UP) == 0 &&
5260 (mii->mii_media_status & IFM_ACTIVE) != 0 &&
5261 IFM_SUBTYPE(mii->mii_media_active) != IFM_NONE) {
5262 sc->sc_flags |= TULIPF_LINK_UP;
5263 tlp_start(&sc->sc_ethercom.ec_if);
5264 } else if ((sc->sc_flags & TULIPF_LINK_UP) != 0 &&
5265 (mii->mii_media_status & IFM_ACTIVE) == 0) {
5266 sc->sc_flags &= ~TULIPF_LINK_UP;
5267 }
5268 splx(s);
5269
5270 if ((sc->sc_flags & TULIPF_LINK_UP) == 0)
5271 ticks = hz >> 3;
5272 else
5273 ticks = hz;
5274 callout_reset(&sc->sc_tick_callout, ticks, tlp_2114x_nway_tick, sc);
5275 }
5276
5277 /*
5278 * Support for the 2114X internal NWay block. This is constructed
5279 * somewhat like a PHY driver for simplicity.
5280 */
5281
5282 static int
5283 tlp_2114x_nway_service(struct tulip_softc *sc, int cmd)
5284 {
5285 struct mii_data *mii = &sc->sc_mii;
5286 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
5287
5288 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
5289 return (0);
5290
5291 switch (cmd) {
5292 case MII_POLLSTAT:
5293 /* Nothing special to do here. */
5294 break;
5295
5296 case MII_MEDIACHG:
5297 switch (IFM_SUBTYPE(ife->ifm_media)) {
5298 case IFM_AUTO:
5299 goto restart;
5300 default:
5301 /* Manual setting doesn't go through here. */
5302 printf("tlp_2114x_nway_service: oops!\n");
5303 return (EINVAL);
5304 }
5305 break;
5306
5307 case MII_TICK:
5308 /*
5309 * Only used for autonegotiation.
5310 */
5311 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
5312 break;
5313
5314 /*
5315 * Check to see if we have link. If we do, we don't
5316 * need to restart the autonegotiation process.
5317 */
5318 #if 0
5319 if (mii->mii_media_status & IFM_ACTIVE)
5320 #else
5321 if (sc->sc_flags & TULIPF_LINK_UP)
5322 #endif
5323 break;
5324
5325 /*
5326 * Only retry autonegotiation every 5 seconds.
5327 */
5328 if (++sc->sc_nway_ticks != (5 << 3))
5329 break;
5330
5331 restart:
5332 sc->sc_nway_ticks = 0;
5333 ife->ifm_data = IFM_NONE;
5334 tlp_2114x_nway_auto(sc);
5335 break;
5336 }
5337
5338 /* Update the media status. */
5339 tlp_2114x_nway_status(sc);
5340
5341 /*
5342 * Callback if something changed. Manually configuration goes through
5343 * tlp_sia_set() anyway, so ignore that here.
5344 */
5345 if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO &&
5346 ife->ifm_data != mii->mii_media_active) {
5347 (*sc->sc_statchg)(&sc->sc_dev);
5348 ife->ifm_data = mii->mii_media_active;
5349 }
5350 return (0);
5351 }
5352
5353 static void
5354 tlp_2114x_nway_auto(struct tulip_softc *sc)
5355 {
5356 uint32_t siastat, siatxrx;
5357
5358 tlp_idle(sc, OPMODE_ST|OPMODE_SR);
5359
5360 sc->sc_opmode &= ~(OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_FD);
5361 sc->sc_opmode |= OPMODE_TTM|OPMODE_HBD;
5362 siatxrx = 0xffbf; /* XXX magic number */
5363
5364 /* Compute the link code word to advertise. */
5365 if (sc->sc_sia_cap & BMSR_100T4)
5366 siatxrx |= SIATXRX_T4;
5367 if (sc->sc_sia_cap & BMSR_100TXFDX)
5368 siatxrx |= SIATXRX_TXF;
5369 if (sc->sc_sia_cap & BMSR_100TXHDX)
5370 siatxrx |= SIATXRX_THX;
5371 if (sc->sc_sia_cap & BMSR_10TFDX)
5372 sc->sc_opmode |= OPMODE_FD;
5373 if (sc->sc_sia_cap & BMSR_10THDX)
5374 siatxrx |= SIATXRX_TH;
5375
5376 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
5377
5378 TULIP_WRITE(sc, CSR_SIACONN, 0);
5379 delay(1000);
5380 TULIP_WRITE(sc, CSR_SIATXRX, siatxrx);
5381 TULIP_WRITE(sc, CSR_SIACONN, SIACONN_SRL);
5382
5383 siastat = TULIP_READ(sc, CSR_SIASTAT);
5384 siastat &= ~(SIASTAT_ANS|SIASTAT_LPC|SIASTAT_TRA|SIASTAT_ARA|
5385 SIASTAT_LS100|SIASTAT_LS10|SIASTAT_MRA);
5386 siastat |= SIASTAT_ANS_TXDIS;
5387 TULIP_WRITE(sc, CSR_SIASTAT, siastat);
5388 }
5389
5390 static void
5391 tlp_2114x_nway_status(struct tulip_softc *sc)
5392 {
5393 struct mii_data *mii = &sc->sc_mii;
5394 uint32_t siatxrx, siastat, anlpar;
5395
5396 mii->mii_media_status = IFM_AVALID;
5397 mii->mii_media_active = IFM_ETHER;
5398
5399 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
5400 return;
5401
5402 siastat = TULIP_READ(sc, CSR_SIASTAT);
5403 siatxrx = TULIP_READ(sc, CSR_SIATXRX);
5404
5405 if (siatxrx & SIATXRX_ANE) {
5406 if ((siastat & SIASTAT_ANS) != SIASTAT_ANS_FLPGOOD) {
5407 /* Erg, still trying, I guess... */
5408 mii->mii_media_active |= IFM_NONE;
5409 return;
5410 }
5411
5412 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100))
5413 mii->mii_media_status |= IFM_ACTIVE;
5414
5415 if (siastat & SIASTAT_LPN) {
5416 anlpar = SIASTAT_GETLPC(siastat);
5417 if (anlpar & ANLPAR_T4 &&
5418 sc->sc_sia_cap & BMSR_100T4)
5419 mii->mii_media_active |= IFM_100_T4;
5420 else if (anlpar & ANLPAR_TX_FD &&
5421 sc->sc_sia_cap & BMSR_100TXFDX)
5422 mii->mii_media_active |= IFM_100_TX|IFM_FDX;
5423 else if (anlpar & ANLPAR_TX &&
5424 sc->sc_sia_cap & BMSR_100TXHDX)
5425 mii->mii_media_active |= IFM_100_TX;
5426 else if (anlpar & ANLPAR_10_FD &&
5427 sc->sc_sia_cap & BMSR_10TFDX)
5428 mii->mii_media_active |= IFM_10_T|IFM_FDX;
5429 else if (anlpar & ANLPAR_10 &&
5430 sc->sc_sia_cap & BMSR_10THDX)
5431 mii->mii_media_active |= IFM_10_T;
5432 else
5433 mii->mii_media_active |= IFM_NONE;
5434 } else {
5435 /*
5436 * If the other side doesn't support NWAY, then the
5437 * best we can do is determine if we have a 10Mbps or
5438 * 100Mbps link. There's no way to know if the link
5439 * is full or half duplex, so we default to half duplex
5440 * and hope that the user is clever enough to manually
5441 * change the media settings if we're wrong.
5442 */
5443 if ((siastat & SIASTAT_LS100) == 0)
5444 mii->mii_media_active |= IFM_100_TX;
5445 else if ((siastat & SIASTAT_LS10) == 0)
5446 mii->mii_media_active |= IFM_10_T;
5447 else
5448 mii->mii_media_active |= IFM_NONE;
5449 }
5450 } else {
5451 if (~siastat & (SIASTAT_LS10 | SIASTAT_LS100))
5452 mii->mii_media_status |= IFM_ACTIVE;
5453
5454 if (sc->sc_opmode & OPMODE_TTM)
5455 mii->mii_media_active |= IFM_10_T;
5456 else
5457 mii->mii_media_active |= IFM_100_TX;
5458 if (sc->sc_opmode & OPMODE_FD)
5459 mii->mii_media_active |= IFM_FDX;
5460 }
5461 }
5462
5463 static void
5464 tlp_2114x_isv_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr)
5465 {
5466 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
5467 struct tulip_21x4x_media *tm = ife->ifm_aux;
5468
5469 (*tm->tm_get)(sc, ifmr);
5470 }
5471
5472 static int
5473 tlp_2114x_isv_tmsw_set(struct tulip_softc *sc)
5474 {
5475 struct ifmedia_entry *ife = sc->sc_mii.mii_media.ifm_cur;
5476 struct tulip_21x4x_media *tm = ife->ifm_aux;
5477
5478 /*
5479 * Check to see if we need to reset the chip, and do it. The
5480 * reset path will get the OPMODE register right the next
5481 * time through.
5482 */
5483 if (TULIP_MEDIA_NEEDSRESET(sc, tm->tm_opmode))
5484 return (tlp_init(&sc->sc_ethercom.ec_if));
5485
5486 return ((*tm->tm_set)(sc));
5487 }
5488
5489 /*
5490 * MII-on-SIO media switch. Handles only MII attached to the SIO.
5491 */
5492 static void tlp_sio_mii_tmsw_init(struct tulip_softc *);
5493
5494 const struct tulip_mediasw tlp_sio_mii_mediasw = {
5495 tlp_sio_mii_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia
5496 };
5497
5498 static void
5499 tlp_sio_mii_tmsw_init(struct tulip_softc *sc)
5500 {
5501 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
5502
5503 /*
5504 * We don't attach any media info structures to the ifmedia
5505 * entries, so if we're using a pre-init function that needs
5506 * that info, override it to one that doesn't.
5507 */
5508 if (sc->sc_preinit == tlp_2114x_preinit)
5509 sc->sc_preinit = tlp_2114x_mii_preinit;
5510
5511 sc->sc_mii.mii_ifp = ifp;
5512 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg;
5513 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg;
5514 sc->sc_mii.mii_statchg = sc->sc_statchg;
5515 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
5516 tlp_mediastatus);
5517 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
5518 MII_OFFSET_ANY, 0);
5519 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
5520 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
5521 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
5522 } else {
5523 sc->sc_flags |= TULIPF_HAS_MII;
5524 sc->sc_tick = tlp_mii_tick;
5525 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
5526 }
5527 }
5528
5529 /*
5530 * Lite-On PNIC media switch. Must handle MII or internal NWAY.
5531 */
5532 static void tlp_pnic_tmsw_init(struct tulip_softc *);
5533 static void tlp_pnic_tmsw_get(struct tulip_softc *, struct ifmediareq *);
5534 static int tlp_pnic_tmsw_set(struct tulip_softc *);
5535
5536 const struct tulip_mediasw tlp_pnic_mediasw = {
5537 tlp_pnic_tmsw_init, tlp_pnic_tmsw_get, tlp_pnic_tmsw_set
5538 };
5539
5540 static void tlp_pnic_nway_statchg(struct device *);
5541 static void tlp_pnic_nway_tick(void *);
5542 static int tlp_pnic_nway_service(struct tulip_softc *, int);
5543 static void tlp_pnic_nway_reset(struct tulip_softc *);
5544 static int tlp_pnic_nway_auto(struct tulip_softc *, int);
5545 static void tlp_pnic_nway_auto_timeout(void *);
5546 static void tlp_pnic_nway_status(struct tulip_softc *);
5547 static void tlp_pnic_nway_acomp(struct tulip_softc *);
5548
5549 static void
5550 tlp_pnic_tmsw_init(struct tulip_softc *sc)
5551 {
5552 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
5553 const char *sep = "";
5554
5555 #define ADD(m, c) ifmedia_add(&sc->sc_mii.mii_media, (m), (c), NULL)
5556 #define PRINT(str) printf("%s%s", sep, str); sep = ", "
5557
5558 sc->sc_mii.mii_ifp = ifp;
5559 sc->sc_mii.mii_readreg = tlp_pnic_mii_readreg;
5560 sc->sc_mii.mii_writereg = tlp_pnic_mii_writereg;
5561 sc->sc_mii.mii_statchg = sc->sc_statchg;
5562 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
5563 tlp_mediastatus);
5564 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
5565 MII_OFFSET_ANY, 0);
5566 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
5567 /* XXX What about AUI/BNC support? */
5568 printf("%s: ", sc->sc_dev.dv_xname);
5569
5570 tlp_pnic_nway_reset(sc);
5571
5572 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, 0, 0),
5573 PNIC_NWAY_TW|PNIC_NWAY_CAP10T);
5574 PRINT("10baseT");
5575
5576 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_10_T, IFM_FDX, 0),
5577 PNIC_NWAY_TW|PNIC_NWAY_FD|PNIC_NWAY_CAP10TFDX);
5578 PRINT("10baseT-FDX");
5579
5580 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, 0, 0),
5581 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_CAP100TX);
5582 PRINT("100baseTX");
5583
5584 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_100_TX, IFM_FDX, 0),
5585 PNIC_NWAY_TW|PNIC_NWAY_100|PNIC_NWAY_FD|
5586 PNIC_NWAY_CAP100TXFDX);
5587 PRINT("100baseTX-FDX");
5588
5589 ADD(IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0),
5590 PNIC_NWAY_TW|PNIC_NWAY_RN|PNIC_NWAY_NW|
5591 PNIC_NWAY_CAP10T|PNIC_NWAY_CAP10TFDX|
5592 PNIC_NWAY_CAP100TXFDX|PNIC_NWAY_CAP100TX);
5593 PRINT("auto");
5594
5595 printf("\n");
5596
5597 sc->sc_statchg = tlp_pnic_nway_statchg;
5598 sc->sc_tick = tlp_pnic_nway_tick;
5599 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
5600 } else {
5601 sc->sc_flags |= TULIPF_HAS_MII;
5602 sc->sc_tick = tlp_mii_tick;
5603 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
5604 }
5605
5606 #undef ADD
5607 #undef PRINT
5608 }
5609
5610 static void
5611 tlp_pnic_tmsw_get(struct tulip_softc *sc, struct ifmediareq *ifmr)
5612 {
5613 struct mii_data *mii = &sc->sc_mii;
5614
5615 if (sc->sc_flags & TULIPF_HAS_MII)
5616 tlp_mii_getmedia(sc, ifmr);
5617 else {
5618 mii->mii_media_status = 0;
5619 mii->mii_media_active = IFM_NONE;
5620 tlp_pnic_nway_service(sc, MII_POLLSTAT);
5621 ifmr->ifm_status = sc->sc_mii.mii_media_status;
5622 ifmr->ifm_active = sc->sc_mii.mii_media_active;
5623 }
5624 }
5625
5626 static int
5627 tlp_pnic_tmsw_set(struct tulip_softc *sc)
5628 {
5629 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
5630 struct mii_data *mii = &sc->sc_mii;
5631
5632 if (sc->sc_flags & TULIPF_HAS_MII) {
5633 /*
5634 * Make sure the built-in Tx jabber timer is disabled.
5635 */
5636 TULIP_WRITE(sc, CSR_PNIC_ENDEC, PNIC_ENDEC_JDIS);
5637
5638 return (tlp_mii_setmedia(sc));
5639 }
5640
5641 if (ifp->if_flags & IFF_UP) {
5642 mii->mii_media_status = 0;
5643 mii->mii_media_active = IFM_NONE;
5644 return (tlp_pnic_nway_service(sc, MII_MEDIACHG));
5645 }
5646
5647 return (0);
5648 }
5649
5650 static void
5651 tlp_pnic_nway_statchg(struct device *self)
5652 {
5653 struct tulip_softc *sc = (struct tulip_softc *)self;
5654
5655 /* Idle the transmit and receive processes. */
5656 tlp_idle(sc, OPMODE_ST|OPMODE_SR);
5657
5658 sc->sc_opmode &= ~(OPMODE_TTM|OPMODE_FD|OPMODE_PS|OPMODE_PCS|
5659 OPMODE_SCR|OPMODE_HBD);
5660
5661 if (IFM_SUBTYPE(sc->sc_mii.mii_media_active) == IFM_10_T) {
5662 sc->sc_opmode |= OPMODE_TTM;
5663 TULIP_WRITE(sc, CSR_GPP,
5664 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 0) |
5665 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1));
5666 } else {
5667 sc->sc_opmode |= OPMODE_PS|OPMODE_PCS|OPMODE_SCR|OPMODE_HBD;
5668 TULIP_WRITE(sc, CSR_GPP,
5669 GPP_PNIC_OUT(GPP_PNIC_PIN_SPEED_RLY, 1) |
5670 GPP_PNIC_OUT(GPP_PNIC_PIN_100M_LPKB, 1));
5671 }
5672
5673 if (sc->sc_mii.mii_media_active & IFM_FDX)
5674 sc->sc_opmode |= OPMODE_FD|OPMODE_HBD;
5675
5676 /*
5677 * Write new OPMODE bits. This also restarts the transmit
5678 * and receive processes.
5679 */
5680 TULIP_WRITE(sc, CSR_OPMODE, sc->sc_opmode);
5681 }
5682
5683 static void
5684 tlp_pnic_nway_tick(void *arg)
5685 {
5686 struct tulip_softc *sc = arg;
5687 int s;
5688
5689 if (!device_is_active(&sc->sc_dev))
5690 return;
5691
5692 s = splnet();
5693 tlp_pnic_nway_service(sc, MII_TICK);
5694 splx(s);
5695
5696 callout_reset(&sc->sc_tick_callout, hz, tlp_pnic_nway_tick, sc);
5697 }
5698
5699 /*
5700 * Support for the Lite-On PNIC internal NWay block. This is constructed
5701 * somewhat like a PHY driver for simplicity.
5702 */
5703
5704 static int
5705 tlp_pnic_nway_service(struct tulip_softc *sc, int cmd)
5706 {
5707 struct mii_data *mii = &sc->sc_mii;
5708 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
5709
5710 if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
5711 return (0);
5712
5713 switch (cmd) {
5714 case MII_POLLSTAT:
5715 /* Nothing special to do here. */
5716 break;
5717
5718 case MII_MEDIACHG:
5719 switch (IFM_SUBTYPE(ife->ifm_media)) {
5720 case IFM_AUTO:
5721 (void) tlp_pnic_nway_auto(sc, 1);
5722 break;
5723 case IFM_100_T4:
5724 /*
5725 * XXX Not supported as a manual setting right now.
5726 */
5727 return (EINVAL);
5728 default:
5729 /*
5730 * NWAY register data is stored in the ifmedia entry.
5731 */
5732 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data);
5733 }
5734 break;
5735
5736 case MII_TICK:
5737 /*
5738 * Only used for autonegotiation.
5739 */
5740 if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO)
5741 return (0);
5742
5743 /*
5744 * Check to see if we have link. If we do, we don't
5745 * need to restart the autonegotiation process.
5746 */
5747 if (sc->sc_flags & TULIPF_LINK_UP)
5748 return (0);
5749
5750 /*
5751 * Only retry autonegotiation every 5 seconds.
5752 */
5753 if (++sc->sc_nway_ticks != 5)
5754 return (0);
5755
5756 sc->sc_nway_ticks = 0;
5757 tlp_pnic_nway_reset(sc);
5758 if (tlp_pnic_nway_auto(sc, 0) == EJUSTRETURN)
5759 return (0);
5760 break;
5761 }
5762
5763 /* Update the media status. */
5764 tlp_pnic_nway_status(sc);
5765
5766 /* Callback if something changed. */
5767 if ((sc->sc_nway_active == NULL ||
5768 sc->sc_nway_active->ifm_media != mii->mii_media_active) ||
5769 cmd == MII_MEDIACHG) {
5770 (*sc->sc_statchg)(&sc->sc_dev);
5771 tlp_nway_activate(sc, mii->mii_media_active);
5772 }
5773 return (0);
5774 }
5775
5776 static void
5777 tlp_pnic_nway_reset(struct tulip_softc *sc)
5778 {
5779
5780 TULIP_WRITE(sc, CSR_PNIC_NWAY, PNIC_NWAY_RS);
5781 delay(100);
5782 TULIP_WRITE(sc, CSR_PNIC_NWAY, 0);
5783 }
5784
5785 static int
5786 tlp_pnic_nway_auto(struct tulip_softc *sc, int waitfor)
5787 {
5788 struct mii_data *mii = &sc->sc_mii;
5789 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
5790 u_int32_t reg;
5791 int i;
5792
5793 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0)
5794 TULIP_WRITE(sc, CSR_PNIC_NWAY, ife->ifm_data);
5795
5796 if (waitfor) {
5797 /* Wait 500ms for it to complete. */
5798 for (i = 0; i < 500; i++) {
5799 reg = TULIP_READ(sc, CSR_PNIC_NWAY);
5800 if (reg & PNIC_NWAY_LPAR_MASK) {
5801 tlp_pnic_nway_acomp(sc);
5802 return (0);
5803 }
5804 delay(1000);
5805 }
5806 #if 0
5807 if ((reg & PNIC_NWAY_LPAR_MASK) == 0)
5808 printf("%s: autonegotiation failed to complete\n",
5809 sc->sc_dev.dv_xname);
5810 #endif
5811
5812 /*
5813 * Don't need to worry about clearing DOINGAUTO.
5814 * If that's set, a timeout is pending, and it will
5815 * clear the flag.
5816 */
5817 return (EIO);
5818 }
5819
5820 /*
5821 * Just let it finish asynchronously. This is for the benefit of
5822 * the tick handler driving autonegotiation. Don't want 500ms
5823 * delays all the time while the system is running!
5824 */
5825 if ((sc->sc_flags & TULIPF_DOINGAUTO) == 0) {
5826 sc->sc_flags |= TULIPF_DOINGAUTO;
5827 callout_reset(&sc->sc_nway_callout, hz >> 1,
5828 tlp_pnic_nway_auto_timeout, sc);
5829 }
5830 return (EJUSTRETURN);
5831 }
5832
5833 static void
5834 tlp_pnic_nway_auto_timeout(void *arg)
5835 {
5836 struct tulip_softc *sc = arg;
5837 u_int32_t reg;
5838 int s;
5839
5840 s = splnet();
5841 sc->sc_flags &= ~TULIPF_DOINGAUTO;
5842 reg = TULIP_READ(sc, CSR_PNIC_NWAY);
5843 #if 0
5844 if ((reg & PNIC_NWAY_LPAR_MASK) == 0)
5845 printf("%s: autonegotiation failed to complete\n",
5846 sc->sc_dev.dv_xname);
5847 #endif
5848
5849 tlp_pnic_nway_acomp(sc);
5850
5851 /* Update the media status. */
5852 (void) tlp_pnic_nway_service(sc, MII_POLLSTAT);
5853 splx(s);
5854 }
5855
5856 static void
5857 tlp_pnic_nway_status(struct tulip_softc *sc)
5858 {
5859 struct mii_data *mii = &sc->sc_mii;
5860 u_int32_t reg;
5861
5862 mii->mii_media_status = IFM_AVALID;
5863 mii->mii_media_active = IFM_ETHER;
5864
5865 reg = TULIP_READ(sc, CSR_PNIC_NWAY);
5866
5867 if (sc->sc_flags & TULIPF_LINK_UP)
5868 mii->mii_media_status |= IFM_ACTIVE;
5869
5870 if (reg & PNIC_NWAY_NW) {
5871 if ((reg & PNIC_NWAY_LPAR_MASK) == 0) {
5872 /* Erg, still trying, I guess... */
5873 mii->mii_media_active |= IFM_NONE;
5874 return;
5875 }
5876
5877 #if 0
5878 if (reg & PNIC_NWAY_LPAR100T4)
5879 mii->mii_media_active |= IFM_100_T4;
5880 else
5881 #endif
5882 if (reg & PNIC_NWAY_LPAR100TXFDX)
5883 mii->mii_media_active |= IFM_100_TX|IFM_FDX;
5884 else if (reg & PNIC_NWAY_LPAR100TX)
5885 mii->mii_media_active |= IFM_100_TX;
5886 else if (reg & PNIC_NWAY_LPAR10TFDX)
5887 mii->mii_media_active |= IFM_10_T|IFM_FDX;
5888 else if (reg & PNIC_NWAY_LPAR10T)
5889 mii->mii_media_active |= IFM_10_T;
5890 else
5891 mii->mii_media_active |= IFM_NONE;
5892 } else {
5893 if (reg & PNIC_NWAY_100)
5894 mii->mii_media_active |= IFM_100_TX;
5895 else
5896 mii->mii_media_active |= IFM_10_T;
5897 if (reg & PNIC_NWAY_FD)
5898 mii->mii_media_active |= IFM_FDX;
5899 }
5900 }
5901
5902 static void
5903 tlp_pnic_nway_acomp(struct tulip_softc *sc)
5904 {
5905 u_int32_t reg;
5906
5907 reg = TULIP_READ(sc, CSR_PNIC_NWAY);
5908 reg &= ~(PNIC_NWAY_FD|PNIC_NWAY_100|PNIC_NWAY_RN);
5909
5910 if (reg & (PNIC_NWAY_LPAR100TXFDX|PNIC_NWAY_LPAR100TX))
5911 reg |= PNIC_NWAY_100;
5912 if (reg & (PNIC_NWAY_LPAR10TFDX|PNIC_NWAY_LPAR100TXFDX))
5913 reg |= PNIC_NWAY_FD;
5914
5915 TULIP_WRITE(sc, CSR_PNIC_NWAY, reg);
5916 }
5917
5918 /*
5919 * Macronix PMAC and Lite-On PNIC-II media switch:
5920 *
5921 * MX98713 and MX98713A 21140-like MII or GPIO media.
5922 *
5923 * MX98713A 21143-like MII or SIA/SYM media.
5924 *
5925 * MX98715, MX98715A, MX98725, 21143-like SIA/SYM media.
5926 * 82C115, MX98715AEC-C, -E
5927 *
5928 * So, what we do here is fake MII-on-SIO or ISV media info, and
5929 * use the ISV media switch get/set functions to handle the rest.
5930 */
5931
5932 static void tlp_pmac_tmsw_init(struct tulip_softc *);
5933
5934 const struct tulip_mediasw tlp_pmac_mediasw = {
5935 tlp_pmac_tmsw_init, tlp_2114x_isv_tmsw_get, tlp_2114x_isv_tmsw_set
5936 };
5937
5938 const struct tulip_mediasw tlp_pmac_mii_mediasw = {
5939 tlp_pmac_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia
5940 };
5941
5942 static void
5943 tlp_pmac_tmsw_init(struct tulip_softc *sc)
5944 {
5945 static const u_int8_t media[] = {
5946 TULIP_ROM_MB_MEDIA_TP,
5947 TULIP_ROM_MB_MEDIA_TP_FDX,
5948 TULIP_ROM_MB_MEDIA_100TX,
5949 TULIP_ROM_MB_MEDIA_100TX_FDX,
5950 };
5951 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
5952 struct tulip_21x4x_media *tm;
5953
5954 sc->sc_mii.mii_ifp = ifp;
5955 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg;
5956 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg;
5957 sc->sc_mii.mii_statchg = sc->sc_statchg;
5958 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
5959 tlp_mediastatus);
5960 if (sc->sc_chip == TULIP_CHIP_MX98713 ||
5961 sc->sc_chip == TULIP_CHIP_MX98713A) {
5962 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff,
5963 MII_PHY_ANY, MII_OFFSET_ANY, 0);
5964 if (LIST_FIRST(&sc->sc_mii.mii_phys) != NULL) {
5965 sc->sc_flags |= TULIPF_HAS_MII;
5966 sc->sc_tick = tlp_mii_tick;
5967 sc->sc_preinit = tlp_2114x_mii_preinit;
5968 sc->sc_mediasw = &tlp_pmac_mii_mediasw;
5969 ifmedia_set(&sc->sc_mii.mii_media,
5970 IFM_ETHER|IFM_AUTO);
5971 return;
5972 }
5973 }
5974
5975 switch (sc->sc_chip) {
5976 case TULIP_CHIP_MX98713:
5977 tlp_add_srom_media(sc, TULIP_ROM_MB_21140_GPR,
5978 tlp_21140_gpio_get, tlp_21140_gpio_set, media, 4);
5979
5980 /*
5981 * XXX Should implement auto-sense for this someday,
5982 * XXX when we do the same for the 21140.
5983 */
5984 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_10_T);
5985 break;
5986
5987 default:
5988 tlp_add_srom_media(sc, TULIP_ROM_MB_21142_SIA,
5989 tlp_sia_get, tlp_sia_set, media, 2);
5990 tlp_add_srom_media(sc, TULIP_ROM_MB_21143_SYM,
5991 tlp_sia_get, tlp_sia_set, media + 2, 2);
5992
5993 tm = malloc(sizeof(*tm), M_DEVBUF, M_WAITOK|M_ZERO);
5994 tm->tm_name = "auto";
5995 tm->tm_get = tlp_2114x_nway_get;
5996 tm->tm_set = tlp_2114x_nway_set;
5997 ifmedia_add(&sc->sc_mii.mii_media,
5998 IFM_MAKEWORD(IFM_ETHER, IFM_AUTO, 0, 0), 0, tm);
5999
6000 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
6001 sc->sc_statchg = tlp_2114x_nway_statchg;
6002 sc->sc_tick = tlp_2114x_nway_tick;
6003 break;
6004 }
6005
6006 tlp_print_media(sc);
6007 tlp_sia_fixup(sc);
6008
6009 /* Set the LED modes. */
6010 tlp_pmac_reset(sc);
6011
6012 sc->sc_reset = tlp_pmac_reset;
6013 }
6014
6015 /*
6016 * ADMtek AL981 media switch. Only has internal PHY.
6017 */
6018 static void tlp_al981_tmsw_init(struct tulip_softc *);
6019
6020 const struct tulip_mediasw tlp_al981_mediasw = {
6021 tlp_al981_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia
6022 };
6023
6024 static void
6025 tlp_al981_tmsw_init(struct tulip_softc *sc)
6026 {
6027 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
6028
6029 sc->sc_mii.mii_ifp = ifp;
6030 sc->sc_mii.mii_readreg = tlp_al981_mii_readreg;
6031 sc->sc_mii.mii_writereg = tlp_al981_mii_writereg;
6032 sc->sc_mii.mii_statchg = sc->sc_statchg;
6033 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
6034 tlp_mediastatus);
6035 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
6036 MII_OFFSET_ANY, 0);
6037 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
6038 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
6039 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
6040 } else {
6041 sc->sc_flags |= TULIPF_HAS_MII;
6042 sc->sc_tick = tlp_mii_tick;
6043 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
6044 }
6045 }
6046
6047 /*
6048 * ADMtek AN983/985 media switch. Only has internal PHY, but
6049 * on an SIO-like interface. Unfortunately, we can't use the
6050 * standard SIO media switch, because the AN985 "ghosts" the
6051 * singly PHY at every address.
6052 */
6053 static void tlp_an985_tmsw_init(struct tulip_softc *);
6054
6055 const struct tulip_mediasw tlp_an985_mediasw = {
6056 tlp_an985_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia
6057 };
6058
6059 static void
6060 tlp_an985_tmsw_init(struct tulip_softc *sc)
6061 {
6062 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
6063
6064 sc->sc_mii.mii_ifp = ifp;
6065 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg;
6066 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg;
6067 sc->sc_mii.mii_statchg = sc->sc_statchg;
6068 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
6069 tlp_mediastatus);
6070 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1,
6071 MII_OFFSET_ANY, 0);
6072 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
6073 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
6074 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
6075 } else {
6076 sc->sc_flags |= TULIPF_HAS_MII;
6077 sc->sc_tick = tlp_mii_tick;
6078 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
6079 }
6080 }
6081
6082 /*
6083 * Davicom DM9102 media switch. Internal PHY and possibly HomePNA.
6084 */
6085 static void tlp_dm9102_tmsw_init(struct tulip_softc *);
6086 static void tlp_dm9102_tmsw_getmedia(struct tulip_softc *,
6087 struct ifmediareq *);
6088 static int tlp_dm9102_tmsw_setmedia(struct tulip_softc *);
6089
6090 const struct tulip_mediasw tlp_dm9102_mediasw = {
6091 tlp_dm9102_tmsw_init, tlp_dm9102_tmsw_getmedia,
6092 tlp_dm9102_tmsw_setmedia
6093 };
6094
6095 static void
6096 tlp_dm9102_tmsw_init(struct tulip_softc *sc)
6097 {
6098 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
6099 u_int32_t opmode;
6100
6101 sc->sc_mii.mii_ifp = ifp;
6102 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg;
6103 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg;
6104 sc->sc_mii.mii_statchg = sc->sc_statchg;
6105 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
6106 tlp_mediastatus);
6107
6108 /* PHY block already reset via tlp_reset(). */
6109
6110 /*
6111 * Configure OPMODE properly for the internal MII interface.
6112 */
6113 switch (sc->sc_chip) {
6114 case TULIP_CHIP_DM9102:
6115 opmode = OPMODE_MBO|OPMODE_HBD|OPMODE_PS;
6116 break;
6117
6118 case TULIP_CHIP_DM9102A:
6119 opmode = OPMODE_MBO|OPMODE_HBD;
6120 break;
6121
6122 default:
6123 opmode = 0;
6124 break;
6125 }
6126
6127 TULIP_WRITE(sc, CSR_OPMODE, opmode);
6128
6129 /* Now, probe the internal MII for the internal PHY. */
6130 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
6131 MII_OFFSET_ANY, 0);
6132
6133 /*
6134 * XXX Figure out what to do about the HomePNA portion
6135 * XXX of the DM9102A.
6136 */
6137
6138 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
6139 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
6140 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
6141 } else {
6142 sc->sc_flags |= TULIPF_HAS_MII;
6143 sc->sc_tick = tlp_mii_tick;
6144 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
6145 }
6146 }
6147
6148 static void
6149 tlp_dm9102_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr)
6150 {
6151
6152 /* XXX HomePNA on DM9102A. */
6153 tlp_mii_getmedia(sc, ifmr);
6154 }
6155
6156 static int
6157 tlp_dm9102_tmsw_setmedia(struct tulip_softc *sc)
6158 {
6159
6160 /* XXX HomePNA on DM9102A. */
6161 return (tlp_mii_setmedia(sc));
6162 }
6163
6164 /*
6165 * ASIX AX88140A/AX88141 media switch. Internal PHY or MII.
6166 */
6167
6168 static void tlp_asix_tmsw_init(struct tulip_softc *);
6169 static void tlp_asix_tmsw_getmedia(struct tulip_softc *,
6170 struct ifmediareq *);
6171 static int tlp_asix_tmsw_setmedia(struct tulip_softc *);
6172
6173 const struct tulip_mediasw tlp_asix_mediasw = {
6174 tlp_asix_tmsw_init, tlp_asix_tmsw_getmedia,
6175 tlp_asix_tmsw_setmedia
6176 };
6177
6178 static void
6179 tlp_asix_tmsw_init(struct tulip_softc *sc)
6180 {
6181 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
6182 u_int32_t opmode;
6183
6184 sc->sc_mii.mii_ifp = ifp;
6185 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg;
6186 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg;
6187 sc->sc_mii.mii_statchg = sc->sc_statchg;
6188 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
6189 tlp_mediastatus);
6190
6191 /*
6192 * Configure OPMODE properly for the internal MII interface.
6193 */
6194 switch (sc->sc_chip) {
6195 case TULIP_CHIP_AX88140:
6196 case TULIP_CHIP_AX88141:
6197 opmode = OPMODE_HBD|OPMODE_PS;
6198 break;
6199 default:
6200 opmode = 0;
6201 break;
6202 }
6203
6204 TULIP_WRITE(sc, CSR_OPMODE, opmode);
6205
6206 /* Now, probe the internal MII for the internal PHY. */
6207 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY,
6208 MII_OFFSET_ANY, 0);
6209
6210 /* XXX Figure how to handle the PHY. */
6211
6212 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
6213 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
6214 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
6215 } else {
6216 sc->sc_flags |= TULIPF_HAS_MII;
6217 sc->sc_tick = tlp_mii_tick;
6218 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
6219 }
6220
6221
6222 }
6223
6224 static void
6225 tlp_asix_tmsw_getmedia(struct tulip_softc *sc, struct ifmediareq *ifmr)
6226 {
6227
6228 /* XXX PHY handling. */
6229 tlp_mii_getmedia(sc, ifmr);
6230 }
6231
6232 static int
6233 tlp_asix_tmsw_setmedia(struct tulip_softc *sc)
6234 {
6235
6236 /* XXX PHY handling. */
6237 return (tlp_mii_setmedia(sc));
6238 }
6239
6240 /*
6241 * RS7112 media switch. Handles only MII attached to the SIO.
6242 * We only have a PHY at 1.
6243 */
6244 void tlp_rs7112_tmsw_init(struct tulip_softc *);
6245
6246 const struct tulip_mediasw tlp_rs7112_mediasw = {
6247 tlp_rs7112_tmsw_init, tlp_mii_getmedia, tlp_mii_setmedia
6248 };
6249
6250 void
6251 tlp_rs7112_tmsw_init(struct tulip_softc *sc)
6252 {
6253 struct ifnet *ifp = &sc->sc_ethercom.ec_if;
6254
6255 /*
6256 * We don't attach any media info structures to the ifmedia
6257 * entries, so if we're using a pre-init function that needs
6258 * that info, override it to one that doesn't.
6259 */
6260 if (sc->sc_preinit == tlp_2114x_preinit)
6261 sc->sc_preinit = tlp_2114x_mii_preinit;
6262
6263 sc->sc_mii.mii_ifp = ifp;
6264 sc->sc_mii.mii_readreg = tlp_bitbang_mii_readreg;
6265 sc->sc_mii.mii_writereg = tlp_bitbang_mii_writereg;
6266 sc->sc_mii.mii_statchg = sc->sc_statchg;
6267 ifmedia_init(&sc->sc_mii.mii_media, 0, tlp_mediachange,
6268 tlp_mediastatus);
6269
6270 /*
6271 * The RS7112 reports a PHY at 0 (possibly HomePNA?)
6272 * and 1 (ethernet). We attach ethernet only.
6273 */
6274 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, 1,
6275 MII_OFFSET_ANY, 0);
6276
6277 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) {
6278 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL);
6279 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE);
6280 } else {
6281 sc->sc_flags |= TULIPF_HAS_MII;
6282 sc->sc_tick = tlp_mii_tick;
6283 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO);
6284 }
6285 }
6286