FreeBSD/Linux Kernel Cross Reference
sys/dev/ic/tulipvar.h
1 /* $NetBSD: tulipvar.h,v 1.50 2003/12/18 18:39:36 thorpej Exp $ */
2
3 /*-
4 * Copyright (c) 1998, 1999, 2000 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.
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 #ifndef _DEV_IC_TULIPVAR_H_
41 #define _DEV_IC_TULIPVAR_H_
42
43 #include "rnd.h"
44
45 #include <sys/queue.h>
46 #include <sys/callout.h>
47
48 #if NRND > 0
49 #include <sys/rnd.h>
50 #endif
51
52 /*
53 * Misc. definitions for the Digital Semiconductor ``Tulip'' (21x4x)
54 * Ethernet controller family driver.
55 */
56
57 /*
58 * Transmit descriptor list size. This is arbitrary, but allocate
59 * enough descriptors for 64 pending transmissions and 16 segments
60 * per packet. Since a descriptor holds 2 buffer addresses, that's
61 * 8 descriptors per packet. This MUST work out to a power of 2.
62 */
63 #define TULIP_NTXSEGS 16
64
65 #define TULIP_TXQUEUELEN 64
66 #define TULIP_NTXDESC (TULIP_TXQUEUELEN * TULIP_NTXSEGS)
67 #define TULIP_NTXDESC_MASK (TULIP_NTXDESC - 1)
68 #define TULIP_NEXTTX(x) ((x + 1) & TULIP_NTXDESC_MASK)
69
70 /*
71 * Receive descriptor list size. We have one Rx buffer per incoming
72 * packet, so this logic is a little simpler.
73 */
74 #define TULIP_NRXDESC 64
75 #define TULIP_NRXDESC_MASK (TULIP_NRXDESC - 1)
76 #define TULIP_NEXTRX(x) ((x + 1) & TULIP_NRXDESC_MASK)
77
78 /*
79 * Control structures are DMA'd to the TULIP chip. We allocate them in
80 * a single clump that maps to a single DMA segment to make several things
81 * easier.
82 */
83 struct tulip_control_data {
84 /*
85 * The transmit descriptors.
86 */
87 struct tulip_desc tcd_txdescs[TULIP_NTXDESC];
88
89 /*
90 * The receive descriptors.
91 */
92 struct tulip_desc tcd_rxdescs[TULIP_NRXDESC];
93
94 /*
95 * The setup packet.
96 */
97 u_int32_t tcd_setup_packet[TULIP_SETUP_PACKET_LEN / sizeof(u_int32_t)];
98 };
99
100 #define TULIP_CDOFF(x) offsetof(struct tulip_control_data, x)
101 #define TULIP_CDTXOFF(x) TULIP_CDOFF(tcd_txdescs[(x)])
102 #define TULIP_CDRXOFF(x) TULIP_CDOFF(tcd_rxdescs[(x)])
103 #define TULIP_CDSPOFF TULIP_CDOFF(tcd_setup_packet)
104
105 /*
106 * Software state for transmit jobs.
107 */
108 struct tulip_txsoft {
109 struct mbuf *txs_mbuf; /* head of our mbuf chain */
110 bus_dmamap_t txs_dmamap; /* our DMA map */
111 int txs_firstdesc; /* first descriptor in packet */
112 int txs_lastdesc; /* last descriptor in packet */
113 int txs_ndescs; /* number of descriptors */
114 SIMPLEQ_ENTRY(tulip_txsoft) txs_q;
115 };
116
117 SIMPLEQ_HEAD(tulip_txsq, tulip_txsoft);
118
119 /*
120 * Software state for receive jobs.
121 */
122 struct tulip_rxsoft {
123 struct mbuf *rxs_mbuf; /* head of our mbuf chain */
124 bus_dmamap_t rxs_dmamap; /* our DMA map */
125 };
126
127 /*
128 * Type of Tulip chip we're dealing with.
129 */
130 typedef enum {
131 TULIP_CHIP_INVALID = 0, /* invalid chip type */
132 TULIP_CHIP_DE425 = 1, /* DE-425 EISA */
133 TULIP_CHIP_21040 = 2, /* DECchip 21040 */
134 TULIP_CHIP_21041 = 3, /* DECchip 21041 */
135 TULIP_CHIP_21140 = 4, /* DECchip 21140 */
136 TULIP_CHIP_21140A = 5, /* DECchip 21140A */
137 TULIP_CHIP_21142 = 6, /* DECchip 21142 */
138 TULIP_CHIP_21143 = 7, /* DECchip 21143 */
139 TULIP_CHIP_82C168 = 8, /* Lite-On 82C168 PNIC */
140 TULIP_CHIP_82C169 = 9, /* Lite-On 82C169 PNIC */
141 TULIP_CHIP_82C115 = 10, /* Lite-On 82C115 PNIC II */
142 TULIP_CHIP_MX98713 = 11, /* Macronix 98713 PMAC */
143 TULIP_CHIP_MX98713A = 12, /* Macronix 98713A PMAC */
144 TULIP_CHIP_MX98715 = 13, /* Macronix 98715 PMAC */
145 TULIP_CHIP_MX98715A = 14, /* Macronix 98715A PMAC */
146 TULIP_CHIP_MX98715AEC_X = 15, /* Macronix 98715AEC-C, -E PMAC */
147 TULIP_CHIP_MX98725 = 16, /* Macronix 98725 PMAC */
148 TULIP_CHIP_WB89C840F = 17, /* Winbond 89C840F */
149 TULIP_CHIP_DM9102 = 18, /* Davicom DM9102 */
150 TULIP_CHIP_DM9102A = 19, /* Davicom DM9102A */
151 TULIP_CHIP_AL981 = 20, /* ADMtek AL981 */
152 TULIP_CHIP_AN983 = 21, /* ADMtek AN983 */
153 TULIP_CHIP_AN985 = 22, /* ADMtek AN985 */
154 TULIP_CHIP_AX88140 = 23, /* ASIX AX88140 */
155 TULIP_CHIP_AX88141 = 24, /* ASIX AX88141 */
156 TULIP_CHIP_X3201_3 = 25 /* Xircom X3201-3 */
157 } tulip_chip_t;
158
159 #define TULIP_CHIP_NAMES \
160 { \
161 NULL, \
162 "DE-425", \
163 "DECchip 21040", \
164 "DECchip 21041", \
165 "DECchip 21140", \
166 "DECchip 21140A", \
167 "DECchip 21142", \
168 "DECchip 21143", \
169 "Lite-On 82C168", \
170 "Lite-On 82C169", \
171 "Lite-On 82C115", \
172 "Macronix MX98713", \
173 "Macronix MX98713A", \
174 "Macronix MX98715", \
175 "Macronix MX98715A", \
176 "Macronix MX98715AEC-x", \
177 "Macronix MX98725", \
178 "Winbond 89C840F", \
179 "Davicom DM9102", \
180 "Davicom DM9102A", \
181 "ADMtek AL981", \
182 "ADMtek AN983", \
183 "ADMtek AN985", \
184 "ASIX AX88140", \
185 "ASIX AX88141", \
186 "Xircom X3201-3", \
187 }
188
189 struct tulip_softc;
190
191 /*
192 * Media init, change, status function pointers.
193 */
194 struct tulip_mediasw {
195 void (*tmsw_init) __P((struct tulip_softc *));
196 void (*tmsw_get) __P((struct tulip_softc *, struct ifmediareq *));
197 int (*tmsw_set) __P((struct tulip_softc *));
198 };
199
200 /*
201 * Table which describes the transmit threshold mode. We generally
202 * start at index 0. Whenever we get a transmit underrun, we increment
203 * our index, falling back if we encounter the NULL terminator.
204 */
205 struct tulip_txthresh_tab {
206 u_int32_t txth_opmode; /* OPMODE bits */
207 const char *txth_name; /* name of mode */
208 };
209
210 #define TLP_TXTHRESH_TAB_10 { \
211 { OPMODE_TR_72, "72 bytes" }, \
212 { OPMODE_TR_96, "96 bytes" }, \
213 { OPMODE_TR_128, "128 bytes" }, \
214 { OPMODE_TR_160, "160 bytes" }, \
215 { 0, NULL }, \
216 }
217
218 #define TLP_TXTHRESH_TAB_10_100 { \
219 { OPMODE_TR_72, "72/128 bytes" }, \
220 { OPMODE_TR_96, "96/256 bytes" }, \
221 { OPMODE_TR_128, "128/512 bytes" }, \
222 { OPMODE_TR_160, "160/1024 bytes" }, \
223 { OPMODE_SF, "store and forward mode" }, \
224 { 0, NULL }, \
225 }
226
227 #define TXTH_72 0
228 #define TXTH_96 1
229 #define TXTH_128 2
230 #define TXTH_160 3
231 #define TXTH_SF 4
232
233 #define TLP_TXTHRESH_TAB_DM9102 { \
234 { OPMODE_TR_72, "72/128 bytes" }, \
235 { OPMODE_TR_96, "96/256 bytes" }, \
236 { OPMODE_TR_128, "128/512 bytes" }, \
237 { OPMODE_SF, "store and forward mode" }, \
238 { 0, NULL }, \
239 }
240
241 #define TXTH_DM9102_72 0
242 #define TXTH_DM9102_96 1
243 #define TXTH_DM9102_128 2
244 #define TXTH_DM9102_SF 3
245
246 /*
247 * The Winbond 89C840F does transmit threshold control totally
248 * differently. It simply has a 7-bit field which indicates
249 * the threshold:
250 *
251 * txth = ((OPMODE & OPMODE_WINB_TTH) >> OPMODE_WINB_TTH_SHIFT) * 16;
252 *
253 * However, we just do Store-and-Forward mode on these chips, since
254 * the DMA engines seem to be flaky.
255 */
256 #define TLP_TXTHRESH_TAB_WINB { \
257 { 0, "store and forward mode" }, \
258 { 0, NULL }, \
259 }
260
261 #define TXTH_WINB_SF 0
262
263 /*
264 * Settings for Tulip SIA media.
265 */
266 struct tulip_sia_media {
267 u_int32_t tsm_siaconn; /* CSR13 value */
268 u_int32_t tsm_siatxrx; /* CSR14 value */
269 u_int32_t tsm_siagen; /* CSR15 value */
270 };
271
272 /*
273 * Description of 2x14x media.
274 */
275 struct tulip_21x4x_media {
276 int tm_type; /* type of media; see tulipreg.h */
277 const char *tm_name; /* name of media */
278
279 void (*tm_get) __P((struct tulip_softc *,
280 struct ifmediareq *));
281 int (*tm_set) __P((struct tulip_softc *));
282
283 int tm_phyno; /* PHY # on MII */
284
285 int tm_gp_length; /* MII select sequence length */
286 int tm_gp_offset; /* MII select sequence offset */
287
288 int tm_reset_length;/* MII reset sequence length */
289 int tm_reset_offset;/* MII reset sequence offset */
290
291 u_int32_t tm_opmode; /* OPMODE bits for this media */
292 u_int32_t tm_gpctl; /* GPIO control bits for this media */
293 u_int32_t tm_gpdata; /* GPIO bits for this media */
294 u_int32_t tm_actmask; /* `active' bits for this data */
295 u_int32_t tm_actdata; /* active high/low info */
296
297 struct tulip_sia_media tm_sia; /* SIA settings */
298 #define tm_siaconn tm_sia.tsm_siaconn
299 #define tm_siatxrx tm_sia.tsm_siatxrx
300 #define tm_siagen tm_sia.tsm_siagen
301 };
302
303 /*
304 * Table for converting Tulip SROM media info into ifmedia data.
305 */
306 struct tulip_srom_to_ifmedia {
307 u_int8_t tsti_srom; /* SROM media type */
308 int tsti_subtype; /* ifmedia subtype */
309 int tsti_options; /* ifmedia options */
310 const char *tsti_name; /* media name */
311
312 u_int32_t tsti_opmode; /* OPMODE bits for this media */
313 u_int32_t tsti_sia_cap; /* "MII" capabilities for this media */
314
315 /*
316 * Settings for 21040, 21041, and 21142/21143 SIA, in the event
317 * the SROM doesn't have them.
318 */
319 struct tulip_sia_media tsti_21040;
320 struct tulip_sia_media tsti_21041;
321 struct tulip_sia_media tsti_21142;
322 };
323
324 /*
325 * Some misc. statics, useful for debugging.
326 */
327 struct tulip_stats {
328 u_long ts_tx_uf; /* transmit underflow errors */
329 u_long ts_tx_to; /* transmit jabber timeouts */
330 u_long ts_tx_ec; /* excessive collision count */
331 u_long ts_tx_lc; /* late collision count */
332 };
333
334 #ifndef _STANDALONE
335 /*
336 * Software state per device.
337 */
338 struct tulip_softc {
339 struct device sc_dev; /* generic device information */
340 bus_space_tag_t sc_st; /* bus space tag */
341 bus_space_handle_t sc_sh; /* bus space handle */
342 bus_dma_tag_t sc_dmat; /* bus DMA tag */
343 struct ethercom sc_ethercom; /* ethernet common data */
344 void *sc_sdhook; /* shutdown hook */
345 void *sc_powerhook; /* power management hook */
346
347 struct tulip_stats sc_stats; /* debugging stats */
348
349 /*
350 * Contents of the SROM.
351 */
352 u_int8_t *sc_srom;
353 int sc_srom_addrbits;
354
355 /*
356 * Media access functions for this chip.
357 */
358 const struct tulip_mediasw *sc_mediasw;
359 mii_bitbang_ops_t sc_bitbang_ops;
360
361 /*
362 * For chips with built-in NWay blocks, these are state
363 * variables required for autonegotiation.
364 */
365 int sc_nway_ticks; /* tick counter */
366 struct ifmedia_entry *sc_nway_active; /* the active media */
367 struct callout sc_nway_callout;
368
369 tulip_chip_t sc_chip; /* chip type */
370 int sc_rev; /* chip revision */
371 int sc_flags; /* misc flags. */
372 char sc_name[16]; /* board name */
373 u_int32_t sc_cacheline; /* cache line size */
374 u_int32_t sc_maxburst; /* maximum burst length */
375 int sc_devno; /* PCI device # */
376
377 struct mii_data sc_mii; /* MII/media information */
378
379 const struct tulip_txthresh_tab *sc_txth;
380 int sc_txthresh; /* current transmit threshold */
381
382 u_int8_t sc_gp_dir; /* GPIO pin direction bits (21140) */
383 int sc_media_seen; /* ISV media block types seen */
384 int sc_tlp_minst; /* Tulip internal media instance */
385 u_int32_t sc_sia_cap; /* SIA media capabilities (21143) */
386
387 /* Reset function. */
388 void (*sc_reset) __P((struct tulip_softc *));
389
390 /* Pre-init function. */
391 void (*sc_preinit) __P((struct tulip_softc *));
392
393 /* Filter setup function. */
394 void (*sc_filter_setup) __P((struct tulip_softc *));
395
396 /* Media status update function. */
397 void (*sc_statchg) __P((struct device *));
398
399 /* Media tick function. */
400 void (*sc_tick) __P((void *));
401 struct callout sc_tick_callout;
402
403 /* Power management hooks. */
404 int (*sc_enable) __P((struct tulip_softc *));
405 void (*sc_disable) __P((struct tulip_softc *));
406 void (*sc_power) __P((struct tulip_softc *, int));
407
408 /*
409 * The Winbond 89C840F places registers 4 bytes apart, instead
410 * of 8.
411 */
412 int sc_regshift;
413
414 u_int32_t sc_busmode; /* copy of CSR_BUSMODE */
415 u_int32_t sc_opmode; /* copy of CSR_OPMODE */
416 u_int32_t sc_inten; /* copy of CSR_INTEN */
417
418 u_int32_t sc_rxint_mask; /* mask of Rx interrupts we want */
419 u_int32_t sc_txint_mask; /* mask of Tx interrupts we want */
420
421 u_int32_t sc_filtmode; /* filter mode we're using */
422
423 bus_dma_segment_t sc_cdseg; /* control data memory */
424 int sc_cdnseg; /* number of segments */
425 bus_dmamap_t sc_cddmamap; /* control data DMA map */
426 #define sc_cddma sc_cddmamap->dm_segs[0].ds_addr
427
428 /*
429 * Software state for transmit and receive descriptors.
430 */
431 struct tulip_txsoft sc_txsoft[TULIP_TXQUEUELEN];
432 struct tulip_rxsoft sc_rxsoft[TULIP_NRXDESC];
433
434 /*
435 * Control data structures.
436 */
437 struct tulip_control_data *sc_control_data;
438 #define sc_txdescs sc_control_data->tcd_txdescs
439 #define sc_rxdescs sc_control_data->tcd_rxdescs
440 #define sc_setup_desc sc_control_data->tcd_setup_desc
441
442 int sc_txfree; /* number of free Tx descriptors */
443 int sc_txnext; /* next ready Tx descriptor */
444 int sc_ntxsegs; /* number of transmit segs per pkt */
445
446 u_int32_t sc_tdctl_ch; /* conditional desc chaining */
447 u_int32_t sc_tdctl_er; /* conditional desc end-of-ring */
448
449 u_int32_t sc_setup_fsls; /* FS|LS on setup descriptor */
450
451 struct tulip_txsq sc_txfreeq; /* free Tx descsofts */
452 struct tulip_txsq sc_txdirtyq; /* dirty Tx descsofts */
453
454 int sc_rxptr; /* next ready RX descriptor/descsoft */
455
456 #if NRND > 0
457 rndsource_element_t sc_rnd_source; /* random source */
458 #endif
459 };
460 #endif
461
462 /* sc_flags */
463 #define TULIPF_WANT_SETUP 0x00000001 /* want filter setup */
464 #define TULIPF_DOING_SETUP 0x00000002 /* doing multicast setup */
465 #define TULIPF_HAS_MII 0x00000004 /* has media on MII */
466 #define TULIPF_IC_FS 0x00000008 /* IC bit on first tx seg */
467 #define TULIPF_MRL 0x00000010 /* memory read line okay */
468 #define TULIPF_MRM 0x00000020 /* memory read multi okay */
469 #define TULIPF_MWI 0x00000040 /* memory write inval okay */
470 #define TULIPF_AUTOPOLL 0x00000080 /* chip supports auto-poll */
471 #define TULIPF_LINK_UP 0x00000100 /* link is up (non-MII) */
472 #define TULIPF_LINK_VALID 0x00000200 /* link state valid */
473 #define TULIPF_DOINGAUTO 0x00000400 /* doing autoneg (non-MII) */
474 #define TULIPF_ATTACHED 0x00000800 /* attach has succeeded */
475 #define TULIPF_ENABLED 0x00001000 /* chip is enabled */
476 #define TULIPF_BLE 0x00002000 /* data is big endian */
477 #define TULIPF_DBO 0x00004000 /* descriptor is big endian */
478 #define TULIPF_VPC 0x00008000 /* Virtual PC Ethernet */
479
480 #define TULIP_IS_ENABLED(sc) ((sc)->sc_flags & TULIPF_ENABLED)
481
482 /*
483 * This macro returns the current media entry.
484 */
485 #define TULIP_CURRENT_MEDIA(sc) ((sc)->sc_mii.mii_media.ifm_cur)
486
487 /*
488 * This macro determines if a change to media-related OPMODE bits requires
489 * a chip reset.
490 */
491 #define TULIP_MEDIA_NEEDSRESET(sc, newbits) \
492 (((sc)->sc_opmode & OPMODE_MEDIA_BITS) != \
493 ((newbits) & OPMODE_MEDIA_BITS))
494
495 #define TULIP_CDTXADDR(sc, x) ((sc)->sc_cddma + TULIP_CDTXOFF((x)))
496 #define TULIP_CDRXADDR(sc, x) ((sc)->sc_cddma + TULIP_CDRXOFF((x)))
497
498 #define TULIP_CDSPADDR(sc) ((sc)->sc_cddma + TULIP_CDSPOFF)
499
500 #define TULIP_CDSP(sc) ((sc)->sc_control_data->tcd_setup_packet)
501
502 #define TULIP_CDTXSYNC(sc, x, n, ops) \
503 do { \
504 int __x, __n; \
505 \
506 __x = (x); \
507 __n = (n); \
508 \
509 /* If it will wrap around, sync to the end of the ring. */ \
510 if ((__x + __n) > TULIP_NTXDESC) { \
511 bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
512 TULIP_CDTXOFF(__x), sizeof(struct tulip_desc) * \
513 (TULIP_NTXDESC - __x), (ops)); \
514 __n -= (TULIP_NTXDESC - __x); \
515 __x = 0; \
516 } \
517 \
518 /* Now sync whatever is left. */ \
519 bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
520 TULIP_CDTXOFF(__x), sizeof(struct tulip_desc) * __n, (ops)); \
521 } while (0)
522
523 #define TULIP_CDRXSYNC(sc, x, ops) \
524 bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
525 TULIP_CDRXOFF((x)), sizeof(struct tulip_desc), (ops))
526
527 #define TULIP_CDSPSYNC(sc, ops) \
528 bus_dmamap_sync((sc)->sc_dmat, (sc)->sc_cddmamap, \
529 TULIP_CDSPOFF, TULIP_SETUP_PACKET_LEN, (ops))
530
531 /*
532 * Note we rely on MCLBYTES being a power of two. Because the `length'
533 * field is only 11 bits, we must subtract 1 from the length to avoid
534 * having it truncated to 0!
535 */
536 #define TULIP_INIT_RXDESC(sc, x) \
537 do { \
538 struct tulip_rxsoft *__rxs = &sc->sc_rxsoft[(x)]; \
539 struct tulip_desc *__rxd = &sc->sc_rxdescs[(x)]; \
540 struct mbuf *__m = __rxs->rxs_mbuf; \
541 \
542 __m->m_data = __m->m_ext.ext_buf; \
543 __rxd->td_bufaddr1 = \
544 htole32(__rxs->rxs_dmamap->dm_segs[0].ds_addr); \
545 __rxd->td_bufaddr2 = \
546 htole32(TULIP_CDRXADDR((sc), TULIP_NEXTRX((x)))); \
547 __rxd->td_ctl = \
548 htole32((((__m->m_ext.ext_size - 1) & ~0x3U) \
549 << TDCTL_SIZE1_SHIFT) | (sc)->sc_tdctl_ch | \
550 ((x) == (TULIP_NRXDESC - 1) ? sc->sc_tdctl_er : 0)); \
551 __rxd->td_status = htole32(TDSTAT_OWN|TDSTAT_Rx_FS|TDSTAT_Rx_LS); \
552 TULIP_CDRXSYNC((sc), (x), BUS_DMASYNC_PREREAD|BUS_DMASYNC_PREWRITE); \
553 } while (0)
554
555 /* CSR access */
556 #define TULIP_CSR_OFFSET(sc, csr) \
557 (TULIP_CSR_INDEX(csr) << (sc)->sc_regshift)
558
559 #define TULIP_READ(sc, reg) \
560 bus_space_read_4((sc)->sc_st, (sc)->sc_sh, \
561 TULIP_CSR_OFFSET((sc), (reg)))
562
563 #define TULIP_WRITE(sc, reg, val) \
564 bus_space_write_4((sc)->sc_st, (sc)->sc_sh, \
565 TULIP_CSR_OFFSET((sc), (reg)), (val))
566
567 #define TULIP_SET(sc, reg, mask) \
568 TULIP_WRITE((sc), (reg), TULIP_READ((sc), (reg)) | (mask))
569
570 #define TULIP_CLR(sc, reg, mask) \
571 TULIP_WRITE((sc), (reg), TULIP_READ((sc), (reg)) & ~(mask))
572
573 #define TULIP_ISSET(sc, reg, mask) \
574 (TULIP_READ((sc), (reg)) & (mask))
575
576 #if BYTE_ORDER == BIG_ENDIAN
577 #define TULIP_SP_FIELD_C(x) ((x) << 16)
578 #else
579 #define TULIP_SP_FIELD_C(x) (x)
580 #endif
581 #define TULIP_SP_FIELD(x, f) TULIP_SP_FIELD_C(((u_int16_t *)(x))[(f)])
582
583 #ifdef _KERNEL
584 extern const char * const tlp_chip_names[];
585
586 extern const struct tulip_mediasw tlp_21040_mediasw;
587 extern const struct tulip_mediasw tlp_21040_tp_mediasw;
588 extern const struct tulip_mediasw tlp_21040_auibnc_mediasw;
589 extern const struct tulip_mediasw tlp_21041_mediasw;
590 extern const struct tulip_mediasw tlp_2114x_isv_mediasw;
591 extern const struct tulip_mediasw tlp_sio_mii_mediasw;
592 extern const struct tulip_mediasw tlp_pnic_mediasw;
593 extern const struct tulip_mediasw tlp_pmac_mediasw;
594 extern const struct tulip_mediasw tlp_al981_mediasw;
595 extern const struct tulip_mediasw tlp_an985_mediasw;
596 extern const struct tulip_mediasw tlp_dm9102_mediasw;
597
598 void tlp_attach __P((struct tulip_softc *, const u_int8_t *));
599 int tlp_activate __P((struct device *, enum devact));
600 int tlp_detach __P((struct tulip_softc *));
601 int tlp_intr __P((void *));
602 int tlp_read_srom __P((struct tulip_softc *));
603 int tlp_srom_crcok __P((const u_int8_t *));
604 int tlp_isv_srom __P((const u_int8_t *));
605 int tlp_isv_srom_enaddr __P((struct tulip_softc *, u_int8_t *));
606 int tlp_parse_old_srom __P((struct tulip_softc *, u_int8_t *));
607 void tlp_reset __P((struct tulip_softc *));
608
609 int tlp_mediachange __P((struct ifnet *));
610 void tlp_mediastatus __P((struct ifnet *, struct ifmediareq *));
611
612 void tlp_21140_gpio_get __P((struct tulip_softc *sc,
613 struct ifmediareq *ifmr));
614 int tlp_21140_gpio_set __P((struct tulip_softc *sc));
615
616 #endif /* _KERNEL */
617
618 #endif /* _DEV_IC_TULIPVAR_H_ */
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