xref: /freebsd/sys/dev/xl/if_xlreg.h (revision fcb560670601b2a4d87bb31d7531c8dcc37ee71b)
1 /*-
2  * Copyright (c) 1997, 1998
3  *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  * 3. All advertising materials mentioning features or use of this software
14  *    must display the following acknowledgement:
15  *	This product includes software developed by Bill Paul.
16  * 4. Neither the name of the author nor the names of any co-contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30  * THE POSSIBILITY OF SUCH DAMAGE.
31  *
32  * $FreeBSD$
33  */
34 
35 #define XL_EE_READ	0x0080	/* read, 5 bit address */
36 #define XL_EE_WRITE	0x0040	/* write, 5 bit address */
37 #define XL_EE_ERASE	0x00c0	/* erase, 5 bit address */
38 #define XL_EE_EWEN	0x0030	/* erase, no data needed */
39 #define XL_EE_8BIT_READ	0x0200	/* read, 8 bit address */
40 #define XL_EE_BUSY	0x8000
41 
42 #define XL_EE_EADDR0	0x00	/* station address, first word */
43 #define XL_EE_EADDR1	0x01	/* station address, next word, */
44 #define XL_EE_EADDR2	0x02	/* station address, last word */
45 #define XL_EE_PRODID	0x03	/* product ID code */
46 #define XL_EE_MDATA_DATE	0x04	/* manufacturing data, date */
47 #define XL_EE_MDATA_DIV		0x05	/* manufacturing data, division */
48 #define XL_EE_MDATA_PCODE	0x06	/* manufacturing data, product code */
49 #define XL_EE_MFG_ID	0x07
50 #define XL_EE_PCI_PARM	0x08
51 #define XL_EE_ROM_ONFO	0x09
52 #define XL_EE_OEM_ADR0	0x0A
53 #define XL_EE_OEM_ADR1	0x0B
54 #define XL_EE_OEM_ADR2	0x0C
55 #define XL_EE_SOFTINFO1	0x0D
56 #define XL_EE_COMPAT	0x0E
57 #define XL_EE_SOFTINFO2	0x0F
58 #define XL_EE_CAPS	0x10	/* capabilities word */
59 #define XL_EE_RSVD0	0x11
60 #define XL_EE_ICFG_0	0x12
61 #define XL_EE_ICFG_1	0x13
62 #define XL_EE_RSVD1	0x14
63 #define XL_EE_SOFTINFO3	0x15
64 #define XL_EE_RSVD_2	0x16
65 
66 /*
67  * Bits in the capabilities word
68  */
69 #define XL_CAPS_PNP		0x0001
70 #define XL_CAPS_FULL_DUPLEX	0x0002
71 #define XL_CAPS_LARGE_PKTS	0x0004
72 #define XL_CAPS_SLAVE_DMA	0x0008
73 #define XL_CAPS_SECOND_DMA	0x0010
74 #define XL_CAPS_FULL_BM		0x0020
75 #define XL_CAPS_FRAG_BM		0x0040
76 #define XL_CAPS_CRC_PASSTHRU	0x0080
77 #define XL_CAPS_TXDONE		0x0100
78 #define XL_CAPS_NO_TXLENGTH	0x0200
79 #define XL_CAPS_RX_REPEAT	0x0400
80 #define XL_CAPS_SNOOPING	0x0800
81 #define XL_CAPS_100MBPS		0x1000
82 #define XL_CAPS_PWRMGMT		0x2000
83 
84 /*
85  * Bits in the software information 2 word
86  */
87 #define	XL_SINFO2_FIXED_BCAST_RX_BUG	0x0002
88 #define	XL_SINFO2_FIXED_ENDEC_LOOP_BUG	0x0004
89 #define	XL_SINFO2_AUX_WOL_CON		0x0008
90 #define	XL_SINFO2_PME_PULSED		0x0010
91 #define	XL_SINFO2_FIXED_MWI_BUG		0x0020
92 #define	XL_SINFO2_WOL_AFTER_PWR_LOSS	0x0040
93 #define	XL_SINFO2_AUTO_RST_TO_D0	0x0080
94 
95 #define XL_PACKET_SIZE 1540
96 #define XL_MAX_FRAMELEN	(ETHER_MAX_LEN + ETHER_VLAN_ENCAP_LEN)
97 
98 /*
99  * Register layouts.
100  */
101 #define XL_COMMAND		0x0E
102 #define XL_STATUS		0x0E
103 
104 #define XL_TX_STATUS		0x1B
105 #define XL_TX_FREE		0x1C
106 #define XL_DMACTL		0x20
107 #define XL_DOWNLIST_PTR		0x24
108 #define XL_DOWN_POLL		0x2D /* 3c90xB only */
109 #define XL_TX_FREETHRESH	0x2F
110 #define XL_UPLIST_PTR		0x38
111 #define XL_UPLIST_STATUS	0x30
112 #define XL_UP_POLL		0x3D /* 3c90xB only */
113 
114 #define XL_PKTSTAT_UP_STALLED		0x00002000
115 #define XL_PKTSTAT_UP_ERROR		0x00004000
116 #define XL_PKTSTAT_UP_CMPLT		0x00008000
117 
118 #define XL_DMACTL_DN_CMPLT_REQ		0x00000002
119 #define XL_DMACTL_DOWN_STALLED		0x00000004
120 #define XL_DMACTL_UP_CMPLT		0x00000008
121 #define XL_DMACTL_DOWN_CMPLT		0x00000010
122 #define XL_DMACTL_UP_RX_EARLY		0x00000020
123 #define XL_DMACTL_ARM_COUNTDOWN		0x00000040
124 #define XL_DMACTL_DOWN_INPROG		0x00000080
125 #define XL_DMACTL_COUNTER_SPEED		0x00000100
126 #define XL_DMACTL_DOWNDOWN_MODE		0x00000200
127 #define XL_DMACTL_UP_ALTSEQ_DIS		0x00010000	/* 3c90xB/3c90xC */
128 #define XL_DMACTL_DOWN_ALTSEQ_DIS	0x00020000	/* 3c90xC only */
129 #define XL_DMACTL_DEFEAT_MWI		0x00100000	/* 3c90xB/3c90xC */
130 #define XL_DMACTL_DEFEAT_MRL		0x00100000	/* 3c90xB/3c90xC */
131 #define XL_DMACTL_UP_OVERRUN_DISC_DIS	0x00200000	/* 3c90xB/3c90xC */
132 #define XL_DMACTL_TARGET_ABORT		0x40000000
133 #define XL_DMACTL_MASTER_ABORT		0x80000000
134 
135 /*
136  * Command codes. Some command codes require that we wait for
137  * the CMD_BUSY flag to clear. Those codes are marked as 'mustwait.'
138  */
139 #define XL_CMD_RESET		0x0000	/* mustwait */
140 #define XL_CMD_WINSEL		0x0800
141 #define XL_CMD_COAX_START	0x1000
142 #define XL_CMD_RX_DISABLE	0x1800
143 #define XL_CMD_RX_ENABLE	0x2000
144 #define XL_CMD_RX_RESET		0x2800	/* mustwait */
145 #define XL_CMD_UP_STALL		0x3000	/* mustwait */
146 #define XL_CMD_UP_UNSTALL	0x3001
147 #define XL_CMD_DOWN_STALL	0x3002	/* mustwait */
148 #define XL_CMD_DOWN_UNSTALL	0x3003
149 #define XL_CMD_RX_DISCARD	0x4000
150 #define XL_CMD_TX_ENABLE	0x4800
151 #define XL_CMD_TX_DISABLE	0x5000
152 #define XL_CMD_TX_RESET		0x5800	/* mustwait */
153 #define XL_CMD_INTR_FAKE	0x6000
154 #define XL_CMD_INTR_ACK		0x6800
155 #define XL_CMD_INTR_ENB		0x7000
156 #define XL_CMD_STAT_ENB		0x7800
157 #define XL_CMD_RX_SET_FILT	0x8000
158 #define XL_CMD_RX_SET_THRESH	0x8800
159 #define XL_CMD_TX_SET_THRESH	0x9000
160 #define XL_CMD_TX_SET_START	0x9800
161 #define XL_CMD_DMA_UP		0xA000
162 #define XL_CMD_DMA_STOP		0xA001
163 #define XL_CMD_STATS_ENABLE	0xA800
164 #define XL_CMD_STATS_DISABLE	0xB000
165 #define XL_CMD_COAX_STOP	0xB800
166 
167 #define XL_CMD_SET_TX_RECLAIM	0xC000 /* 3c905B only */
168 #define XL_CMD_RX_SET_HASH	0xC800 /* 3c905B only */
169 
170 #define XL_HASH_SET		0x0400
171 #define XL_HASHFILT_SIZE	256
172 
173 /*
174  * status codes
175  * Note that bits 15 to 13 indicate the currently visible register window
176  * which may be anything from 0 to 7.
177  */
178 #define XL_STAT_INTLATCH	0x0001	/* 0 */
179 #define XL_STAT_ADFAIL		0x0002	/* 1 */
180 #define XL_STAT_TX_COMPLETE	0x0004	/* 2 */
181 #define XL_STAT_TX_AVAIL	0x0008	/* 3 first generation */
182 #define XL_STAT_RX_COMPLETE	0x0010	/* 4 */
183 #define XL_STAT_RX_EARLY	0x0020	/* 5 */
184 #define XL_STAT_INTREQ		0x0040	/* 6 */
185 #define XL_STAT_STATSOFLOW	0x0080	/* 7 */
186 #define XL_STAT_DMADONE		0x0100	/* 8 first generation */
187 #define XL_STAT_LINKSTAT	0x0100	/* 8 3c509B */
188 #define XL_STAT_DOWN_COMPLETE	0x0200	/* 9 */
189 #define XL_STAT_UP_COMPLETE	0x0400	/* 10 */
190 #define XL_STAT_DMABUSY		0x0800	/* 11 first generation */
191 #define XL_STAT_CMDBUSY		0x1000	/* 12 */
192 
193 /*
194  * Interrupts we normally want enabled.
195  */
196 #define XL_INTRS							\
197 	(XL_STAT_UP_COMPLETE|XL_STAT_STATSOFLOW|XL_STAT_ADFAIL|	\
198 	 XL_STAT_DOWN_COMPLETE|XL_STAT_TX_COMPLETE|XL_STAT_INTLATCH)
199 
200 /*
201  * Window 0 registers
202  */
203 #define XL_W0_EE_DATA		0x0C
204 #define XL_W0_EE_CMD		0x0A
205 #define XL_W0_RSRC_CFG		0x08
206 #define XL_W0_ADDR_CFG		0x06
207 #define XL_W0_CFG_CTRL		0x04
208 
209 #define XL_W0_PROD_ID		0x02
210 #define XL_W0_MFG_ID		0x00
211 
212 /*
213  * Window 1
214  */
215 
216 #define XL_W1_TX_FIFO		0x10
217 
218 #define XL_W1_FREE_TX		0x0C
219 #define XL_W1_TX_STATUS		0x0B
220 #define XL_W1_TX_TIMER		0x0A
221 #define XL_W1_RX_STATUS		0x08
222 #define XL_W1_RX_FIFO		0x00
223 
224 /*
225  * RX status codes
226  */
227 #define XL_RXSTATUS_OVERRUN	0x01
228 #define XL_RXSTATUS_RUNT	0x02
229 #define XL_RXSTATUS_ALIGN	0x04
230 #define XL_RXSTATUS_CRC		0x08
231 #define XL_RXSTATUS_OVERSIZE	0x10
232 #define XL_RXSTATUS_DRIBBLE	0x20
233 
234 /*
235  * TX status codes
236  */
237 #define XL_TXSTATUS_RECLAIM	0x02	/* 3c905B only */
238 #define XL_TXSTATUS_OVERFLOW	0x04
239 #define XL_TXSTATUS_MAXCOLS	0x08
240 #define XL_TXSTATUS_UNDERRUN	0x10
241 #define XL_TXSTATUS_JABBER	0x20
242 #define XL_TXSTATUS_INTREQ	0x40
243 #define XL_TXSTATUS_COMPLETE	0x80
244 
245 /*
246  * Window 2
247  */
248 #define XL_W2_RESET_OPTIONS	0x0C	/* 3c905B only */
249 #define XL_W2_STATION_MASK_HI	0x0A
250 #define XL_W2_STATION_MASK_MID	0x08
251 #define XL_W2_STATION_MASK_LO	0x06
252 #define XL_W2_STATION_ADDR_HI	0x04
253 #define XL_W2_STATION_ADDR_MID	0x02
254 #define XL_W2_STATION_ADDR_LO	0x00
255 
256 #define XL_RESETOPT_FEATUREMASK	(0x0001 | 0x0002 | 0x004)
257 #define XL_RESETOPT_D3RESETDIS	0x0008
258 #define XL_RESETOPT_DISADVFD	0x0010
259 #define XL_RESETOPT_DISADV100	0x0020
260 #define XL_RESETOPT_DISAUTONEG	0x0040
261 #define XL_RESETOPT_DEBUGMODE	0x0080
262 #define XL_RESETOPT_FASTAUTO	0x0100
263 #define XL_RESETOPT_FASTEE	0x0200
264 #define XL_RESETOPT_FORCEDCONF	0x0400
265 #define XL_RESETOPT_TESTPDTPDR	0x0800
266 #define XL_RESETOPT_TEST100TX	0x1000
267 #define XL_RESETOPT_TEST100RX	0x2000
268 
269 #define XL_RESETOPT_INVERT_LED	0x0010
270 #define XL_RESETOPT_INVERT_MII	0x4000
271 
272 /*
273  * Window 3 (fifo management)
274  */
275 #define XL_W3_INTERNAL_CFG	0x00
276 #define XL_W3_MAXPKTSIZE	0x04	/* 3c905B only */
277 #define XL_W3_RESET_OPT		0x08
278 #define XL_W3_FREE_TX		0x0C
279 #define XL_W3_FREE_RX		0x0A
280 #define XL_W3_MAC_CTRL		0x06
281 
282 #define XL_ICFG_CONNECTOR_MASK	0x00F00000
283 #define XL_ICFG_CONNECTOR_BITS	20
284 
285 #define XL_ICFG_RAMSIZE_MASK	0x00000007
286 #define XL_ICFG_RAMWIDTH	0x00000008
287 #define XL_ICFG_ROMSIZE_MASK	(0x00000040 | 0x00000080)
288 #define XL_ICFG_DISABLE_BASSD	0x00000100
289 #define XL_ICFG_RAMLOC		0x00000200
290 #define XL_ICFG_RAMPART		(0x00010000 | 0x00020000)
291 #define XL_ICFG_XCVRSEL		(0x00100000 | 0x00200000 | 0x00400000)
292 #define XL_ICFG_AUTOSEL		0x01000000
293 
294 #define XL_XCVR_10BT		0x00
295 #define XL_XCVR_AUI		0x01
296 #define XL_XCVR_RSVD_0		0x02
297 #define XL_XCVR_COAX		0x03
298 #define XL_XCVR_100BTX		0x04
299 #define XL_XCVR_100BFX		0x05
300 #define XL_XCVR_MII		0x06
301 #define XL_XCVR_RSVD_1		0x07
302 #define XL_XCVR_AUTO		0x08	/* 3c905B only */
303 
304 #define XL_MACCTRL_DEFER_EXT_END	0x0001
305 #define XL_MACCTRL_DEFER_0		0x0002
306 #define XL_MACCTRL_DEFER_1		0x0004
307 #define XL_MACCTRL_DEFER_2		0x0008
308 #define XL_MACCTRL_DEFER_3		0x0010
309 #define XL_MACCTRL_DUPLEX		0x0020
310 #define XL_MACCTRL_ALLOW_LARGE_PACK	0x0040
311 #define XL_MACCTRL_EXTEND_AFTER_COL	0x0080	/* 3c905B only */
312 #define XL_MACCTRL_FLOW_CONTROL_ENB	0x0100	/* 3c905B only */
313 #define XL_MACCTRL_VLT_END		0x0200	/* 3c905B only */
314 
315 /*
316  * The 'reset options' register contains power-on reset values
317  * loaded from the EEPROM. This includes the supported media
318  * types on the card. It is also known as the media options register.
319  */
320 #define XL_W3_MEDIA_OPT		0x08
321 
322 #define XL_MEDIAOPT_BT4		0x0001	/* MII */
323 #define XL_MEDIAOPT_BTX		0x0002	/* on-chip */
324 #define XL_MEDIAOPT_BFX		0x0004	/* on-chip */
325 #define XL_MEDIAOPT_BT		0x0008	/* on-chip */
326 #define XL_MEDIAOPT_BNC		0x0010	/* on-chip */
327 #define XL_MEDIAOPT_AUI		0x0020	/* on-chip */
328 #define XL_MEDIAOPT_MII		0x0040	/* MII */
329 #define XL_MEDIAOPT_VCO		0x0100	/* 1st gen chip only */
330 
331 #define XL_MEDIAOPT_10FL	0x0100	/* 3x905B only, on-chip */
332 #define XL_MEDIAOPT_MASK	0x01FF
333 
334 /*
335  * Window 4 (diagnostics)
336  */
337 #define XL_W4_UPPERBYTESOK	0x0D
338 #define XL_W4_BADSSD		0x0C
339 #define XL_W4_MEDIA_STATUS	0x0A
340 #define XL_W4_PHY_MGMT		0x08
341 #define XL_W4_NET_DIAG		0x06
342 #define XL_W4_FIFO_DIAG		0x04
343 #define XL_W4_VCO_DIAG		0x02
344 
345 #define XL_W4_CTRLR_STAT	0x08
346 #define XL_W4_TX_DIAG		0x00
347 
348 #define XL_MII_CLK		0x01
349 #define XL_MII_DATA		0x02
350 #define XL_MII_DIR		0x04
351 
352 #define XL_MEDIA_SQE		0x0008
353 #define XL_MEDIA_10TP		0x00C0
354 #define XL_MEDIA_LNK		0x0080
355 #define XL_MEDIA_LNKBEAT	0x0800
356 
357 #define XL_MEDIASTAT_CRCSTRIP	0x0004
358 #define XL_MEDIASTAT_SQEENB	0x0008
359 #define XL_MEDIASTAT_COLDET	0x0010
360 #define XL_MEDIASTAT_CARRIER	0x0020
361 #define XL_MEDIASTAT_JABGUARD	0x0040
362 #define XL_MEDIASTAT_LINKBEAT	0x0080
363 #define XL_MEDIASTAT_JABDETECT	0x0200
364 #define XL_MEDIASTAT_POLREVERS	0x0400
365 #define XL_MEDIASTAT_LINKDETECT	0x0800
366 #define XL_MEDIASTAT_TXINPROG	0x1000
367 #define XL_MEDIASTAT_DCENB	0x4000
368 #define XL_MEDIASTAT_AUIDIS	0x8000
369 
370 #define XL_NETDIAG_TEST_LOWVOLT		0x0001
371 #define XL_NETDIAG_ASIC_REVMASK		\
372 	(0x0002 | 0x0004 | 0x0008 | 0x0010 | 0x0020)
373 #define XL_NETDIAG_UPPER_BYTES_ENABLE	0x0040
374 #define XL_NETDIAG_STATS_ENABLED	0x0080
375 #define XL_NETDIAG_TX_FATALERR		0x0100
376 #define XL_NETDIAG_TRANSMITTING		0x0200
377 #define XL_NETDIAG_RX_ENABLED		0x0400
378 #define XL_NETDIAG_TX_ENABLED		0x0800
379 #define XL_NETDIAG_FIFO_LOOPBACK	0x1000
380 #define XL_NETDIAG_MAC_LOOPBACK		0x2000
381 #define XL_NETDIAG_ENDEC_LOOPBACK	0x4000
382 #define XL_NETDIAG_EXTERNAL_LOOP	0x8000
383 
384 /*
385  * Window 5
386  */
387 #define XL_W5_STAT_ENB		0x0C
388 #define XL_W5_INTR_ENB		0x0A
389 #define XL_W5_RECLAIM_THRESH	0x09	/* 3c905B only */
390 #define XL_W5_RX_FILTER		0x08
391 #define XL_W5_RX_EARLYTHRESH	0x06
392 #define XL_W5_TX_AVAILTHRESH	0x02
393 #define XL_W5_TX_STARTTHRESH	0x00
394 
395 /*
396  * RX filter bits
397  */
398 #define XL_RXFILTER_INDIVIDUAL	0x01
399 #define XL_RXFILTER_ALLMULTI	0x02
400 #define XL_RXFILTER_BROADCAST	0x04
401 #define XL_RXFILTER_ALLFRAMES	0x08
402 #define XL_RXFILTER_MULTIHASH	0x10	/* 3c905B only */
403 
404 /*
405  * Window 6 (stats)
406  */
407 #define XL_W6_TX_BYTES_OK	0x0C
408 #define XL_W6_RX_BYTES_OK	0x0A
409 #define XL_W6_UPPER_FRAMES_OK	0x09
410 #define XL_W6_DEFERRED		0x08
411 #define XL_W6_RX_OK		0x07
412 #define XL_W6_TX_OK		0x06
413 #define XL_W6_RX_OVERRUN	0x05
414 #define XL_W6_COL_LATE		0x04
415 #define XL_W6_COL_SINGLE	0x03
416 #define XL_W6_COL_MULTIPLE	0x02
417 #define XL_W6_SQE_ERRORS	0x01
418 #define XL_W6_CARRIER_LOST	0x00
419 
420 /*
421  * Window 7 (bus master control)
422  */
423 #define XL_W7_BM_ADDR		0x00
424 #define XL_W7_BM_LEN		0x06
425 #define XL_W7_BM_STATUS		0x0B
426 #define XL_W7_BM_TIMEr		0x0A
427 #define XL_W7_BM_PME		0x0C
428 
429 #define	XL_BM_PME_WAKE		0x0001
430 #define	XL_BM_PME_MAGIC		0x0002
431 #define	XL_BM_PME_LINKCHG	0x0004
432 #define	XL_BM_PME_WAKETIMER	0x0008
433 /*
434  * bus master control registers
435  */
436 #define XL_BM_PKTSTAT		0x20
437 #define XL_BM_DOWNLISTPTR	0x24
438 #define XL_BM_FRAGADDR		0x28
439 #define XL_BM_FRAGLEN		0x2C
440 #define XL_BM_TXFREETHRESH	0x2F
441 #define XL_BM_UPPKTSTAT		0x30
442 #define XL_BM_UPLISTPTR		0x38
443 
444 #define XL_LAST_FRAG		0x80000000
445 
446 #define XL_MAXFRAGS		63
447 #define XL_RX_LIST_CNT		128
448 #define XL_TX_LIST_CNT		256
449 #define XL_RX_LIST_SZ		\
450 	(XL_RX_LIST_CNT * sizeof(struct xl_list_onefrag))
451 #define XL_TX_LIST_SZ		\
452 	(XL_TX_LIST_CNT * sizeof(struct xl_list))
453 #define XL_MIN_FRAMELEN		60
454 #define ETHER_ALIGN		2
455 #define XL_INC(x, y)		(x) = (x + 1) % y
456 
457 /*
458  * Boomerang/Cyclone TX/RX list structure.
459  * For the TX lists, bits 0 to 12 of the status word indicate
460  * length.
461  * This looks suspiciously like the ThunderLAN, doesn't it.
462  */
463 struct xl_frag {
464 	u_int32_t		xl_addr;	/* 63 addr/len pairs */
465 	u_int32_t		xl_len;
466 };
467 
468 struct xl_list {
469 	u_int32_t		xl_next;	/* final entry has 0 nextptr */
470 	u_int32_t		xl_status;
471 	struct xl_frag		xl_frag[XL_MAXFRAGS];
472 };
473 
474 struct xl_list_onefrag {
475 	u_int32_t		xl_next;	/* final entry has 0 nextptr */
476 	volatile u_int32_t	xl_status;
477 	volatile struct xl_frag	xl_frag;
478 };
479 
480 struct xl_list_data {
481 	struct xl_list_onefrag	*xl_rx_list;
482 	struct xl_list		*xl_tx_list;
483 	u_int32_t		xl_rx_dmaaddr;
484 	bus_dma_tag_t		xl_rx_tag;
485 	bus_dmamap_t		xl_rx_dmamap;
486 	u_int32_t		xl_tx_dmaaddr;
487 	bus_dma_tag_t		xl_tx_tag;
488 	bus_dmamap_t		xl_tx_dmamap;
489 };
490 
491 struct xl_chain {
492 	struct xl_list		*xl_ptr;
493 	struct mbuf		*xl_mbuf;
494 	struct xl_chain		*xl_next;
495 	struct xl_chain		*xl_prev;
496 	u_int32_t		xl_phys;
497 	bus_dmamap_t		xl_map;
498 };
499 
500 struct xl_chain_onefrag {
501 	struct xl_list_onefrag	*xl_ptr;
502 	struct mbuf		*xl_mbuf;
503 	struct xl_chain_onefrag	*xl_next;
504 	bus_dmamap_t		xl_map;
505 };
506 
507 struct xl_chain_data {
508 	struct xl_chain_onefrag	xl_rx_chain[XL_RX_LIST_CNT];
509 	struct xl_chain		xl_tx_chain[XL_TX_LIST_CNT];
510 	bus_dma_segment_t	xl_tx_segs[XL_MAXFRAGS];
511 
512 	struct xl_chain_onefrag	*xl_rx_head;
513 
514 	/* 3c90x "boomerang" queuing stuff */
515 	struct xl_chain		*xl_tx_head;
516 	struct xl_chain		*xl_tx_tail;
517 	struct xl_chain		*xl_tx_free;
518 
519 	/* 3c90xB "cyclone/hurricane/tornado" stuff */
520 	int			xl_tx_prod;
521 	int			xl_tx_cons;
522 	int			xl_tx_cnt;
523 };
524 
525 #define XL_RXSTAT_LENMASK	0x00001FFF
526 #define XL_RXSTAT_UP_ERROR	0x00004000
527 #define XL_RXSTAT_UP_CMPLT	0x00008000
528 #define XL_RXSTAT_UP_OVERRUN	0x00010000
529 #define XL_RXSTAT_RUNT		0x00020000
530 #define XL_RXSTAT_ALIGN		0x00040000
531 #define XL_RXSTAT_CRC		0x00080000
532 #define XL_RXSTAT_OVERSIZE	0x00100000
533 #define XL_RXSTAT_DRIBBLE	0x00800000
534 #define XL_RXSTAT_UP_OFLOW	0x01000000
535 #define XL_RXSTAT_IPCKERR	0x02000000	/* 3c905B only */
536 #define XL_RXSTAT_TCPCKERR	0x04000000	/* 3c905B only */
537 #define XL_RXSTAT_UDPCKERR	0x08000000	/* 3c905B only */
538 #define XL_RXSTAT_BUFEN		0x10000000	/* 3c905B only */
539 #define XL_RXSTAT_IPCKOK	0x20000000	/* 3c905B only */
540 #define XL_RXSTAT_TCPCOK	0x40000000	/* 3c905B only */
541 #define XL_RXSTAT_UDPCKOK	0x80000000	/* 3c905B only */
542 
543 #define XL_TXSTAT_LENMASK	0x00001FFF
544 #define XL_TXSTAT_CRCDIS	0x00002000
545 #define XL_TXSTAT_TX_INTR	0x00008000
546 #define XL_TXSTAT_DL_COMPLETE	0x00010000
547 #define XL_TXSTAT_IPCKSUM	0x02000000	/* 3c905B only */
548 #define XL_TXSTAT_TCPCKSUM	0x04000000	/* 3c905B only */
549 #define XL_TXSTAT_UDPCKSUM	0x08000000	/* 3c905B only */
550 #define XL_TXSTAT_RND_DEFEAT	0x10000000	/* 3c905B only */
551 #define XL_TXSTAT_EMPTY		0x20000000	/* 3c905B only */
552 #define XL_TXSTAT_DL_INTR	0x80000000
553 
554 #define XL_CAPABILITY_BM	0x20
555 
556 struct xl_type {
557 	u_int16_t		xl_vid;
558 	u_int16_t		xl_did;
559 	const char		*xl_name;
560 };
561 
562 /*
563  * The 3C905B adapters implement a few features that we want to
564  * take advantage of, namely the multicast hash filter. With older
565  * chips, you only have the option of turning on reception of all
566  * multicast frames, which is kind of lame.
567  *
568  * We also use this to decide on a transmit strategy. For the 3c90xB
569  * cards, we can use polled descriptor mode, which reduces CPU overhead.
570  */
571 #define XL_TYPE_905B	1
572 #define XL_TYPE_90X	2
573 
574 #define XL_FLAG_FUNCREG			0x0001
575 #define XL_FLAG_PHYOK			0x0002
576 #define XL_FLAG_EEPROM_OFFSET_30	0x0004
577 #define XL_FLAG_WEIRDRESET		0x0008
578 #define XL_FLAG_8BITROM			0x0010
579 #define XL_FLAG_INVERT_LED_PWR		0x0020
580 #define XL_FLAG_INVERT_MII_PWR		0x0040
581 #define XL_FLAG_NO_XCVR_PWR		0x0080
582 #define XL_FLAG_USE_MMIO		0x0100
583 #define	XL_FLAG_NO_MMIO			0x0200
584 #define	XL_FLAG_WOL			0x0400
585 
586 #define XL_NO_XCVR_PWR_MAGICBITS	0x0900
587 
588 struct xl_softc {
589 	struct ifnet		*xl_ifp;	/* interface info */
590 	device_t		xl_dev;		/* device info */
591 	struct ifmedia		ifmedia;	/* media info */
592 	bus_space_handle_t	xl_bhandle;
593 	bus_space_tag_t		xl_btag;
594 	void			*xl_intrhand;
595 	struct resource		*xl_irq;
596 	struct resource		*xl_res;
597 	device_t		xl_miibus;
598 	const struct xl_type	*xl_info;	/* 3Com adapter info */
599 	bus_dma_tag_t		xl_mtag;
600 	bus_dmamap_t		xl_tmpmap;	/* spare DMA map */
601 	u_int8_t		xl_type;
602 	u_int32_t		xl_xcvr;
603 	u_int16_t		xl_media;
604 	u_int16_t		xl_caps;
605 	u_int16_t		xl_tx_thresh;
606 	int			xl_pmcap;
607 	int			xl_if_flags;
608 	struct xl_list_data	xl_ldata;
609 	struct xl_chain_data	xl_cdata;
610 	struct callout		xl_tick_callout;
611 	int			xl_wdog_timer;
612 	int			xl_flags;
613 	struct resource		*xl_fres;
614 	bus_space_handle_t	xl_fhandle;
615 	bus_space_tag_t		xl_ftag;
616 	struct mtx		xl_mtx;
617 	struct task		xl_task;
618 #ifdef DEVICE_POLLING
619 	int			rxcycles;
620 #endif
621 };
622 
623 #define XL_LOCK(_sc)		mtx_lock(&(_sc)->xl_mtx)
624 #define XL_UNLOCK(_sc)		mtx_unlock(&(_sc)->xl_mtx)
625 #define XL_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->xl_mtx, MA_OWNED)
626 
627 #define xl_rx_goodframes(x) \
628 	((x.xl_upper_frames_ok & 0x03) << 8) | x.xl_rx_frames_ok
629 
630 #define xl_tx_goodframes(x) \
631 	((x.xl_upper_frames_ok & 0x30) << 4) | x.xl_tx_frames_ok
632 
633 struct xl_stats {
634 	u_int8_t		xl_carrier_lost;
635 	u_int8_t		xl_sqe_errs;
636 	u_int8_t		xl_tx_multi_collision;
637 	u_int8_t		xl_tx_single_collision;
638 	u_int8_t		xl_tx_late_collision;
639 	u_int8_t		xl_rx_overrun;
640 	u_int8_t		xl_tx_frames_ok;
641 	u_int8_t		xl_rx_frames_ok;
642 	u_int8_t		xl_tx_deferred;
643 	u_int8_t		xl_upper_frames_ok;
644 	u_int16_t		xl_rx_bytes_ok;
645 	u_int16_t		xl_tx_bytes_ok;
646 	u_int16_t		status;
647 };
648 
649 /*
650  * register space access macros
651  */
652 #define CSR_WRITE_4(sc, reg, val)	\
653 	bus_space_write_4(sc->xl_btag, sc->xl_bhandle, reg, val)
654 #define CSR_WRITE_2(sc, reg, val)	\
655 	bus_space_write_2(sc->xl_btag, sc->xl_bhandle, reg, val)
656 #define CSR_WRITE_1(sc, reg, val)	\
657 	bus_space_write_1(sc->xl_btag, sc->xl_bhandle, reg, val)
658 
659 #define CSR_READ_4(sc, reg)		\
660 	bus_space_read_4(sc->xl_btag, sc->xl_bhandle, reg)
661 #define CSR_READ_2(sc, reg)		\
662 	bus_space_read_2(sc->xl_btag, sc->xl_bhandle, reg)
663 #define CSR_READ_1(sc, reg)		\
664 	bus_space_read_1(sc->xl_btag, sc->xl_bhandle, reg)
665 
666 #define CSR_BARRIER(sc, reg, length, flags)				\
667 	bus_space_barrier(sc->xl_btag, sc->xl_bhandle, reg, length, flags)
668 
669 #define XL_SEL_WIN(x) do {						\
670 	CSR_BARRIER(sc, XL_COMMAND, 2,					\
671 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);		\
672 	CSR_WRITE_2(sc, XL_COMMAND, XL_CMD_WINSEL | x);			\
673 	CSR_BARRIER(sc, XL_COMMAND, 2,					\
674 	    BUS_SPACE_BARRIER_READ | BUS_SPACE_BARRIER_WRITE);		\
675 } while (0)
676 
677 #define XL_TIMEOUT		1000
678 
679 /*
680  * General constants that are fun to know.
681  *
682  * 3Com PCI vendor ID
683  */
684 #define	TC_VENDORID		0x10B7
685 
686 /*
687  * 3Com chip device IDs.
688  */
689 #define	TC_DEVICEID_BOOMERANG_10BT		0x9000
690 #define TC_DEVICEID_BOOMERANG_10BT_COMBO	0x9001
691 #define TC_DEVICEID_BOOMERANG_10_100BT		0x9050
692 #define TC_DEVICEID_BOOMERANG_100BT4		0x9051
693 #define TC_DEVICEID_KRAKATOA_10BT		0x9004
694 #define TC_DEVICEID_KRAKATOA_10BT_COMBO		0x9005
695 #define TC_DEVICEID_KRAKATOA_10BT_TPC		0x9006
696 #define TC_DEVICEID_CYCLONE_10FL		0x900A
697 #define TC_DEVICEID_HURRICANE_10_100BT		0x9055
698 #define TC_DEVICEID_CYCLONE_10_100BT4		0x9056
699 #define TC_DEVICEID_CYCLONE_10_100_COMBO	0x9058
700 #define TC_DEVICEID_CYCLONE_10_100FX		0x905A
701 #define TC_DEVICEID_TORNADO_10_100BT		0x9200
702 #define TC_DEVICEID_TORNADO_10_100BT_920B	0x9201
703 #define TC_DEVICEID_TORNADO_10_100BT_920B_WNM	0x9202
704 #define TC_DEVICEID_HURRICANE_10_100BT_SERV	0x9800
705 #define TC_DEVICEID_TORNADO_10_100BT_SERV	0x9805
706 #define TC_DEVICEID_HURRICANE_SOHO100TX		0x7646
707 #define TC_DEVICEID_TORNADO_HOMECONNECT		0x4500
708 #define TC_DEVICEID_HURRICANE_555		0x5055
709 #define TC_DEVICEID_HURRICANE_556		0x6055
710 #define TC_DEVICEID_HURRICANE_556B		0x6056
711 #define TC_DEVICEID_HURRICANE_575A		0x5057
712 #define TC_DEVICEID_HURRICANE_575B		0x5157
713 #define TC_DEVICEID_HURRICANE_575C		0x5257
714 #define TC_DEVICEID_HURRICANE_656		0x6560
715 #define TC_DEVICEID_HURRICANE_656B		0x6562
716 #define TC_DEVICEID_TORNADO_656C		0x6564
717 
718 /*
719  * PCI low memory base and low I/O base register, and
720  * other PCI registers. Note: some are only available on
721  * the 3c905B, in particular those that related to power management.
722  */
723 #define XL_PCI_VENDOR_ID	0x00
724 #define XL_PCI_DEVICE_ID	0x02
725 #define XL_PCI_COMMAND		0x04
726 #define XL_PCI_STATUS		0x06
727 #define XL_PCI_CLASSCODE	0x09
728 #define XL_PCI_LATENCY_TIMER	0x0D
729 #define XL_PCI_HEADER_TYPE	0x0E
730 #define XL_PCI_LOIO		0x10
731 #define XL_PCI_LOMEM		0x14
732 #define XL_PCI_FUNCMEM		0x18
733 #define XL_PCI_BIOSROM		0x30
734 #define XL_PCI_INTLINE		0x3C
735 #define XL_PCI_INTPIN		0x3D
736 #define XL_PCI_MINGNT		0x3E
737 #define XL_PCI_MINLAT		0x0F
738 #define XL_PCI_RESETOPT		0x48
739 #define XL_PCI_EEPROM_DATA	0x4C
740 
741 /* 3c905B-only registers */
742 #define XL_PCI_CAPID		0xDC /* 8 bits */
743 #define XL_PCI_NEXTPTR		0xDD /* 8 bits */
744 #define XL_PCI_PWRMGMTCAP	0xDE /* 16 bits */
745 #define XL_PCI_PWRMGMTCTRL	0xE0 /* 16 bits */
746 
747 #define XL_PSTATE_MASK		0x0003
748 #define XL_PSTATE_D0		0x0000
749 #define XL_PSTATE_D1		0x0002
750 #define XL_PSTATE_D2		0x0002
751 #define XL_PSTATE_D3		0x0003
752 #define XL_PME_EN		0x0010
753 #define XL_PME_STATUS		0x8000
754 
755 #ifndef IFM_10_FL
756 #define IFM_10_FL	13		/* 10baseFL - Fiber */
757 #endif
758