xref: /freebsd/sys/dev/vr/if_vrreg.h (revision 95ee2897)
1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
3  *
4  * Copyright (c) 1997, 1998
5  *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Bill Paul.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  */
34 
35 /*
36  * Rhine register definitions.
37  */
38 
39 #define VR_PAR0			0x00	/* node address 0 to 4 */
40 #define VR_PAR1			0x04	/* node address 2 to 6 */
41 #define VR_RXCFG		0x06	/* receiver config register */
42 #define VR_TXCFG		0x07	/* transmit config register */
43 #define VR_CR0			0x08	/* command register 0 */
44 #define VR_CR1			0x09	/* command register 1 */
45 #define	VR_TQW			0x0A	/* tx queue wake 6105M, 8bits */
46 #define VR_ISR			0x0C	/* interrupt/status register */
47 #define VR_IMR			0x0E	/* interrupt mask register */
48 #define VR_MAR0			0x10	/* multicast hash 0 */
49 #define VR_MAR1			0x14	/* multicast hash 1 */
50 #define VR_MCAM0		0x10
51 #define VR_MCAM1		0x11
52 #define VR_MCAM2		0x12
53 #define VR_MCAM3		0x13
54 #define VR_MCAM4		0x14
55 #define VR_MCAM5		0x15
56 #define VR_VCAM0		0x16
57 #define VR_VCAM1		0x17
58 #define VR_RXADDR		0x18	/* rx descriptor list start addr */
59 #define VR_TXADDR		0x1C	/* tx descriptor list start addr */
60 #define VR_CURRXDESC0		0x20
61 #define VR_CURRXDESC1		0x24
62 #define VR_CURRXDESC2		0x28
63 #define VR_CURRXDESC3		0x2C
64 #define VR_NEXTRXDESC0		0x30
65 #define VR_NEXTRXDESC1		0x34
66 #define VR_NEXTRXDESC2		0x38
67 #define VR_NEXTRXDESC3		0x3C
68 #define VR_CURTXDESC0		0x40
69 #define VR_CURTXDESC1		0x44
70 #define VR_CURTXDESC2		0x48
71 #define VR_CURTXDESC3		0x4C
72 #define VR_NEXTTXDESC0		0x50
73 #define VR_NEXTTXDESC1		0x54
74 #define VR_NEXTTXDESC2		0x58
75 #define VR_NEXTTXDESC3		0x5C
76 #define VR_CURRXDMA		0x60	/* current RX DMA address */
77 #define VR_CURTXDMA		0x64	/* current TX DMA address */
78 #define VR_TALLYCNT		0x68	/* tally counter test register */
79 #define VR_PHYADDR		0x6C
80 #define VR_MIISTAT		0x6D
81 #define VR_BCR0			0x6E
82 #define VR_BCR1			0x6F
83 #define VR_MIICMD		0x70
84 #define VR_MIIADDR		0x71
85 #define VR_MIIDATA		0x72
86 #define VR_EECSR		0x74
87 #define VR_TEST			0x75
88 #define VR_GPIO			0x76
89 #define	VR_CFGA			0x78
90 #define	VR_CFGB			0x79
91 #define	VR_CFGC			0x7A
92 #define	VR_CFGD			0x7B
93 #define VR_MPA_CNT		0x7C
94 #define VR_CRC_CNT		0x7E
95 #define VR_MISC_CR0		0x80	/* VT6102, 8bits */
96 #define VR_MISC_CR1		0x81
97 #define VR_STICKHW		0x83
98 #define	VR_MII_ISR		0x84
99 #define	VR_MII_IMR		0x86
100 #define	VR_CAMMASK		0x88	/* VT6105M, 32bits */
101 #define	VR_CAMCTL		0x92	/* VT6105M, 8bits */
102 #define	VR_CAMADDR		0x93	/* VT6105M, 8bits */
103 #define	VR_FLOWCR0		0x98
104 #define	VR_FLOWCR1		0x99
105 #define	VR_PAUSETIMER		0x9A	/* 16bit */
106 #define	VR_WOLCR_SET		0xA0
107 #define	VR_PWRCFG_SET		0xA1
108 #define	VR_TESTREG_SET		0xA2
109 #define	VR_WOLCFG_SET		0xA3
110 #define	VR_WOLCR_CLR		0xA4
111 #define	VR_PWRCFG_CLR		0xA5
112 #define	VR_TESTREG_CLR		0xA6
113 #define	VR_WOLCFG_CLR		0xA7
114 #define	VR_PWRCSR_SET		0xA8
115 #define	VR_PWRCSR1_SET		0xA9
116 #define	VR_PWRCSR_CLR		0xAC
117 #define	VR_PWRCSR1_CLR		0xAD
118 
119 /* Misc Registers */
120 #define	VR_MISCCR0_RXPAUSE	0x08
121 #define VR_MISCCR1_FORSRST	0x40
122 
123 /*
124  * RX config bits.
125  */
126 #define VR_RXCFG_RX_ERRPKTS	0x01
127 #define VR_RXCFG_RX_RUNT	0x02
128 #define VR_RXCFG_RX_MULTI	0x04
129 #define VR_RXCFG_RX_BROAD	0x08
130 #define VR_RXCFG_RX_PROMISC	0x10
131 #define VR_RXCFG_RX_THRESH	0xE0
132 
133 #define VR_RXTHRESH_32BYTES	0x00
134 #define VR_RXTHRESH_64BYTES	0x20
135 #define VR_RXTHRESH_128BYTES	0x40
136 #define VR_RXTHRESH_256BYTES	0x60
137 #define VR_RXTHRESH_512BYTES	0x80
138 #define VR_RXTHRESH_768BYTES	0xA0
139 #define VR_RXTHRESH_1024BYTES	0xC0
140 #define VR_RXTHRESH_STORENFWD	0xE0
141 
142 /*
143  * TX config bits.
144  */
145 #define VR_TXCFG_TXTAGEN	0x01	/* 6105M */
146 #define VR_TXCFG_LOOPBKMODE	0x06
147 #define VR_TXCFG_BACKOFF	0x08
148 #define VR_TXCFG_RXTAGCTL	0x10	/* 6105M */
149 #define VR_TXCFG_TX_THRESH	0xE0
150 
151 #define VR_TXTHRESH_32BYTES	0x00
152 #define VR_TXTHRESH_64BYTES	0x20
153 #define VR_TXTHRESH_128BYTES	0x40
154 #define VR_TXTHRESH_256BYTES	0x60
155 #define VR_TXTHRESH_512BYTES	0x80
156 #define VR_TXTHRESH_768BYTES	0xA0
157 #define VR_TXTHRESH_1024BYTES	0xC0
158 #define VR_TXTHRESH_STORENFWD	0xE0
159 #define VR_TXTHRESH_MIN		1	/* 64 bytes */
160 #define VR_TXTHRESH_MAX		5	/* store and forward */
161 
162 /*
163  * Command register bits.
164  */
165 #define VR_CR0_INIT		0x01
166 #define VR_CR0_START		0x02
167 #define VR_CR0_STOP		0x04
168 #define VR_CR0_RX_ON		0x08
169 #define VR_CR0_TX_ON		0x10
170 #define	VR_CR0_TX_GO		0x20
171 #define VR_CR0_RX_GO		0x40
172 #define VR_CR0_RSVD		0x80
173 #define VR_CR1_RX_EARLY		0x01
174 #define VR_CR1_TX_EARLY		0x02
175 #define VR_CR1_FULLDUPLEX	0x04
176 #define VR_CR1_TX_NOPOLL	0x08
177 
178 #define VR_CR1_RESET		0x80
179 
180 /*
181  * Interrupt status bits.
182  */
183 #define VR_ISR_RX_OK		0x0001	/* packet rx ok */
184 #define VR_ISR_TX_OK		0x0002	/* packet tx ok */
185 #define VR_ISR_RX_ERR		0x0004	/* packet rx with err */
186 #define VR_ISR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
187 #define VR_ISR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
188 #define VR_ISR_RX_NOBUF		0x0020	/* no rx buffer available */
189 #define VR_ISR_BUSERR		0x0040	/* PCI bus error */
190 #define VR_ISR_STATSOFLOW	0x0080	/* stats counter oflow */
191 #define VR_ISR_RX_EARLY		0x0100	/* rx early */
192 #define VR_ISR_LINKSTAT		0x0200	/* MII status change */
193 #define VR_ISR_ETI		0x0200	/* Tx early (3043/3071) */
194 #define VR_ISR_UDFI		0x0200	/* Tx FIFO underflow (6102) */
195 #define VR_ISR_RX_OFLOW		0x0400	/* rx FIFO overflow */
196 #define VR_ISR_RX_DROPPED	0x0800
197 #define VR_ISR_RX_NOBUF2	0x1000	/* Rx descriptor running up */
198 #define VR_ISR_TX_ABRT2		0x2000
199 #define VR_ISR_LINKSTAT2	0x4000
200 #define VR_ISR_MAGICPACKET	0x8000
201 
202 #define VR_ISR_ERR_BITS		"\20"					\
203 				"\3RXERR\4TXABRT\5TXUNDERRUN"		\
204 				"\6RXNOBUF\7BUSERR\10STATSOFLOW"	\
205 				"\12TXUDF\13RXOFLOW\14RXDROPPED"	\
206 				"\15RXNOBUF2\16TXABRT2"
207 /*
208  * Interrupt mask bits.
209  */
210 #define VR_IMR_RX_OK		0x0001	/* packet rx ok */
211 #define VR_IMR_TX_OK		0x0002	/* packet tx ok */
212 #define VR_IMR_RX_ERR		0x0004	/* packet rx with err */
213 #define VR_IMR_TX_ABRT		0x0008	/* tx aborted due to excess colls */
214 #define VR_IMR_TX_UNDERRUN	0x0010	/* tx buffer underflow */
215 #define VR_IMR_RX_NOBUF		0x0020	/* no rx buffer available */
216 #define VR_IMR_BUSERR		0x0040	/* PCI bus error */
217 #define VR_IMR_STATSOFLOW	0x0080	/* stats counter oflow */
218 #define VR_IMR_RX_EARLY		0x0100	/* rx early */
219 #define VR_IMR_LINKSTAT		0x0200	/* MII status change */
220 #define VR_IMR_RX_OFLOW		0x0400	/* rx FIFO overflow */
221 #define VR_IMR_RX_DROPPED	0x0800
222 #define VR_IMR_RX_NOBUF2	0x1000
223 #define VR_IMR_TX_ABRT2		0x2000
224 #define VR_IMR_LINKSTAT2	0x4000
225 #define VR_IMR_MAGICPACKET	0x8000
226 
227 #define VR_INTRS							\
228 	(VR_IMR_RX_OK|VR_IMR_TX_OK|VR_IMR_RX_NOBUF|			\
229 	VR_IMR_TX_ABRT|VR_IMR_TX_UNDERRUN|VR_IMR_BUSERR|		\
230 	VR_IMR_RX_ERR|VR_ISR_RX_DROPPED)
231 
232 /*
233  * MII status register.
234  */
235 
236 #define VR_MIISTAT_SPEED	0x01
237 #define VR_MIISTAT_LINKFAULT	0x02
238 #define VR_MIISTAT_MGTREADERR	0x04
239 #define VR_MIISTAT_MIIERR	0x08
240 #define VR_MIISTAT_PHYOPT	0x10
241 #define VR_MIISTAT_MDC_SPEED	0x20
242 #define VR_MIISTAT_RSVD		0x40
243 #define VR_MIISTAT_GPIO1POLL	0x80
244 
245 /*
246  * MII command register bits.
247  */
248 #define VR_MIICMD_CLK		0x01
249 #define VR_MIICMD_DATAOUT	0x02
250 #define VR_MIICMD_DATAIN	0x04
251 #define VR_MIICMD_DIR		0x08
252 #define VR_MIICMD_DIRECTPGM	0x10
253 #define VR_MIICMD_WRITE_ENB	0x20
254 #define VR_MIICMD_READ_ENB	0x40
255 #define VR_MIICMD_AUTOPOLL	0x80
256 
257 /*
258  * EEPROM control bits.
259  */
260 #define VR_EECSR_DATAIN		0x01	/* data out */
261 #define VR_EECSR_DATAOUT	0x02	/* data in */
262 #define VR_EECSR_CLK		0x04	/* clock */
263 #define VR_EECSR_CS		0x08	/* chip select */
264 #define VR_EECSR_DPM		0x10
265 #define VR_EECSR_LOAD		0x20
266 #define VR_EECSR_EMBP		0x40
267 #define VR_EECSR_EEPR		0x80
268 
269 #define VR_EECMD_WRITE		0x140
270 #define VR_EECMD_READ		0x180
271 #define VR_EECMD_ERASE		0x1c0
272 
273 /*
274  * Test register bits.
275  */
276 #define VR_TEST_TEST0		0x01
277 #define VR_TEST_TEST1		0x02
278 #define VR_TEST_TEST2		0x04
279 #define VR_TEST_TSTUD		0x08
280 #define VR_TEST_TSTOV		0x10
281 #define VR_TEST_BKOFF		0x20
282 #define VR_TEST_FCOL		0x40
283 #define VR_TEST_HBDES		0x80
284 
285 /*
286  * Config A register bits.
287  */
288 #define VR_CFG_GPIO2OUTENB	0x01
289 #define VR_CFG_GPIO2OUT		0x02	/* gen. purp. pin */
290 #define VR_CFG_GPIO2IN		0x04	/* gen. purp. pin */
291 #define VR_CFG_AUTOOPT		0x08	/* enable rx/tx autopoll */
292 #define VR_CFG_MIIOPT		0x10
293 #define VR_CFG_MMIENB		0x20	/* memory mapped mode enb */
294 #define VR_CFG_JUMPER		0x40	/* PHY and oper. mode select */
295 #define VR_CFG_EELOAD		0x80	/* enable EEPROM programming */
296 
297 /*
298  * Config B register bits.
299  */
300 #define VR_CFG_LATMENB		0x01	/* larency timer effect enb. */
301 #define VR_CFG_MRREADWAIT	0x02
302 #define VR_CFG_MRWRITEWAIT	0x04
303 #define VR_CFG_RX_ARB		0x08
304 #define VR_CFG_TX_ARB		0x10
305 #define VR_CFG_READMULTI	0x20
306 #define VR_CFG_TX_PACE		0x40
307 #define VR_CFG_TX_QDIS		0x80
308 
309 /*
310  * Config C register bits.
311  */
312 #define VR_CFG_ROMSEL0		0x01
313 #define VR_CFG_ROMSEL1		0x02
314 #define VR_CFG_ROMSEL2		0x04
315 #define VR_CFG_ROMTIMESEL	0x08
316 #define VR_CFG_RSVD0		0x10
317 #define VR_CFG_ROMDLY		0x20
318 #define VR_CFG_ROMOPT		0x40
319 #define VR_CFG_RSVD1		0x80
320 
321 /*
322  * Config D register bits.
323  */
324 #define VR_CFG_BACKOFFOPT	0x01
325 #define VR_CFG_BACKOFFMOD	0x02
326 #define VR_CFG_CAPEFFECT	0x04
327 #define VR_CFG_BACKOFFRAND	0x08
328 #define VR_CFG_MAGICKPACKET	0x10
329 #define VR_CFG_PCIREADLINE	0x20
330 #define VR_CFG_DIAG		0x40
331 #define VR_CFG_GPIOEN		0x80
332 
333 /* Sticky HW bits */
334 #define VR_STICKHW_DS0		0x01
335 #define VR_STICKHW_DS1		0x02
336 #define VR_STICKHW_WOL_ENB	0x04
337 #define VR_STICKHW_WOL_STS	0x08
338 #define VR_STICKHW_LEGWOL_ENB	0x80
339 
340 /*
341  * BCR0 register bits. (At least for the VT6102 chip.)
342  */
343 #define VR_BCR0_DMA_LENGTH	0x07
344 
345 #define VR_BCR0_DMA_32BYTES	0x00
346 #define VR_BCR0_DMA_64BYTES	0x01
347 #define VR_BCR0_DMA_128BYTES	0x02
348 #define VR_BCR0_DMA_256BYTES	0x03
349 #define VR_BCR0_DMA_512BYTES	0x04
350 #define VR_BCR0_DMA_1024BYTES	0x05
351 #define VR_BCR0_DMA_STORENFWD	0x07
352 
353 #define VR_BCR0_RX_THRESH	0x38
354 
355 #define VR_BCR0_RXTHRESHCFG	0x00
356 #define VR_BCR0_RXTHRESH64BYTES	0x08
357 #define VR_BCR0_RXTHRESH128BYTES 0x10
358 #define VR_BCR0_RXTHRESH256BYTES 0x18
359 #define VR_BCR0_RXTHRESH512BYTES 0x20
360 #define VR_BCR0_RXTHRESH1024BYTES 0x28
361 #define VR_BCR0_RXTHRESHSTORENFWD 0x38
362 #define VR_BCR0_EXTLED		0x40
363 #define VR_BCR0_MED2		0x80
364 
365 /*
366  * BCR1 register bits. (At least for the VT6102 chip.)
367  */
368 #define VR_BCR1_POT0		0x01
369 #define VR_BCR1_POT1		0x02
370 #define VR_BCR1_POT2		0x04
371 #define VR_BCR1_TX_THRESH	0x38
372 #define VR_BCR1_TXTHRESHCFG	0x00
373 #define VR_BCR1_TXTHRESH64BYTES	0x08
374 #define VR_BCR1_TXTHRESH128BYTES 0x10
375 #define VR_BCR1_TXTHRESH256BYTES 0x18
376 #define VR_BCR1_TXTHRESH512BYTES 0x20
377 #define VR_BCR1_TXTHRESH1024BYTES 0x28
378 #define VR_BCR1_TXTHRESHSTORENFWD 0x38
379 #define	VR_BCR1_VLANFILT_ENB	0x80	/* VT6105M */
380 
381 /*
382  * CAMCTL register bits. (VT6105M only)
383  */
384 #define	VR_CAMCTL_ENA		0x01
385 #define	VR_CAMCTL_VLAN		0x02
386 #define	VR_CAMCTL_MCAST		0x00
387 #define	VR_CAMCTL_WRITE		0x04
388 #define	VR_CAMCTL_READ		0x08
389 
390 #define	VR_CAM_MCAST_CNT	32
391 #define	VR_CAM_VLAN_CNT		32
392 
393 /*
394  * FLOWCR1 register bits. (VT6105LOM, VT6105M only)
395  */
396 #define	VR_FLOWCR1_TXLO4	0x00
397 #define	VR_FLOWCR1_TXLO8	0x40
398 #define	VR_FLOWCR1_TXLO16	0x80
399 #define	VR_FLOWCR1_TXLO24	0xC0
400 #define	VR_FLOWCR1_TXHI24	0x00
401 #define	VR_FLOWCR1_TXHI32	0x10
402 #define	VR_FLOWCR1_TXHI48	0x20
403 #define	VR_FLOWCR1_TXHI64	0x30
404 #define	VR_FLOWCR1_XONXOFF	0x08
405 #define	VR_FLOWCR1_TXPAUSE	0x04
406 #define	VR_FLOWCR1_RXPAUSE	0x02
407 #define	VR_FLOWCR1_HDX		0x01
408 
409 /*
410  * WOLCR register bits. (VT6102 or higher only)
411  */
412 #define	VR_WOLCR_PATTERN0	0x01
413 #define	VR_WOLCR_PATTERN1	0x02
414 #define	VR_WOLCR_PATTERN2	0x04
415 #define	VR_WOLCR_PATTERN3	0x08
416 #define	VR_WOLCR_UCAST		0x10
417 #define	VR_WOLCR_MAGIC		0x20
418 #define	VR_WOLCR_LINKON		0x40
419 #define	VR_WOLCR_LINKOFF	0x80
420 
421 /*
422  * PWRCFG register bits. (VT6102 or higher only)
423  */
424 #define	VR_PWRCFG_WOLEN		0x01
425 #define	VR_PWRCFG_WOLSR		0x02
426 #define	VR_PWRCFG_LEGACY_WOL	0x10
427 #define	VR_PWRCFG_WOLTYPE_PULSE	0x20
428 #define	VR_PWRCFG_SMIITIME	0x80
429 
430 /*
431  * WOLCFG register bits. (VT6102 or higher only)
432  */
433 #define	VR_WOLCFG_PATTERN_PAGE	0x04	/* VT6505 B0 */
434 #define	VR_WOLCFG_SMIIOPT	0x04
435 #define	VR_WOLCFG_SMIIACC	0x08
436 #define	VR_WOLCFG_SAB		0x10
437 #define	VR_WOLCFG_SAM		0x20
438 #define	VR_WOLCFG_SFDX		0x40
439 #define	VR_WOLCFG_PMEOVR	0x80
440 
441 /*
442  * Rhine TX/RX list structure.
443  */
444 
445 struct vr_desc {
446 	uint32_t		vr_status;
447 	uint32_t		vr_ctl;
448 	uint32_t		vr_data;
449 	uint32_t		vr_nextphys;
450 };
451 
452 #define VR_RXSTAT_RXERR		0x00000001
453 #define VR_RXSTAT_CRCERR	0x00000002
454 #define VR_RXSTAT_FRAMEALIGNERR	0x00000004
455 #define VR_RXSTAT_FIFOOFLOW	0x00000008
456 #define VR_RXSTAT_GIANT		0x00000010
457 #define VR_RXSTAT_RUNT		0x00000020
458 #define VR_RXSTAT_BUSERR	0x00000040
459 #define VR_RXSTAT_FRAG		0x00000040	/* 6105M */
460 #define VR_RXSTAT_BUFFERR	0x00000080
461 #define VR_RXSTAT_LASTFRAG	0x00000100
462 #define VR_RXSTAT_FIRSTFRAG	0x00000200
463 #define VR_RXSTAT_RLINK		0x00000400
464 #define VR_RXSTAT_RX_PHYS	0x00000800
465 #define VR_RXSTAT_RX_BROAD	0x00001000
466 #define VR_RXSTAT_RX_MULTI	0x00002000
467 #define VR_RXSTAT_RX_VIDHIT	0x00004000	/* 6105M */
468 #define VR_RXSTAT_RX_OK		0x00008000
469 #define VR_RXSTAT_RXLEN		0x07FF0000
470 #define VR_RXSTAT_RXLEN_EXT	0x78000000
471 #define VR_RXSTAT_OWN		0x80000000
472 
473 #define VR_RXBYTES(x)		((x & VR_RXSTAT_RXLEN) >> 16)
474 #define VR_RXSTAT_ERR_BITS	"\20"				\
475 				"\1RXERR\2CRCERR\3FRAMEALIGN"	\
476 				"\4FIFOOFLOW\5GIANT\6RUNT"	\
477 				"\10BUFERR"
478 
479 #define VR_RXCTL_BUFLEN		0x000007FF
480 #define VR_RXCTL_BUFLEN_EXT	0x00007800
481 #define VR_RXCTL_CHAIN		0x00008000
482 #define	VR_RXCTL_TAG		0x00010000
483 #define	VR_RXCTL_UDP		0x00020000
484 #define	VR_RXCTL_TCP		0x00040000
485 #define	VR_RXCTL_IP		0x00080000
486 #define	VR_RXCTL_TCPUDPOK	0x00100000
487 #define	VR_RXCTL_IPOK		0x00200000
488 #define	VR_RXCTL_SNAPTAG	0x00400000
489 #define	VR_RXCTL_RXLERR		0x00800000	/* 6105M */
490 #define VR_RXCTL_RX_INTR	0x00800000
491 
492 #define VR_RXCTL (VR_RXCTL_CHAIN|VR_RXCTL_RX_INTR)
493 
494 #define VR_TXSTAT_DEFER		0x00000001
495 #define VR_TXSTAT_UNDERRUN	0x00000002
496 #define VR_TXSTAT_COLLCNT	0x00000078
497 #define VR_TXSTAT_SQE		0x00000080
498 #define VR_TXSTAT_ABRT		0x00000100
499 #define VR_TXSTAT_LATECOLL	0x00000200
500 #define VR_TXSTAT_CARRLOST	0x00000400
501 #define VR_TXSTAT_UDF		0x00000800
502 #define VR_TXSTAT_TBUFF		0x00001000
503 #define VR_TXSTAT_BUSERR	0x00002000
504 #define VR_TXSTAT_JABTIMEO	0x00004000
505 #define VR_TXSTAT_ERRSUM	0x00008000
506 #define VR_TXSTAT_OWN		0x80000000
507 
508 #define VR_TXCTL_BUFLEN		0x000007FF
509 #define VR_TXCTL_BUFLEN_EXT	0x00007800
510 #define VR_TXCTL_TLINK		0x00008000
511 #define VR_TXCTL_NOCRC		0x00010000
512 #define VR_TXCTL_INSERTTAG	0x00020000
513 #define VR_TXCTL_IPCSUM		0x00040000
514 #define VR_TXCTL_UDPCSUM	0x00080000
515 #define VR_TXCTL_TCPCSUM	0x00100000
516 #define VR_TXCTL_FIRSTFRAG	0x00200000
517 #define VR_TXCTL_LASTFRAG	0x00400000
518 #define VR_TXCTL_FINT		0x00800000
519 
520 #define VR_MIN_FRAMELEN		60
521 
522 #define VR_FLAG_FORCEDELAY	1
523 #define VR_FLAG_SCHEDDELAY	2
524 #define VR_FLAG_DELAYTIMEO	3
525 
526 #define VR_TIMEOUT		1000
527 #define VR_MII_TIMEOUT		10000
528 
529 #define	VR_PHYADDR_MASK		0x1f
530 
531 /*
532  * General constants that are fun to know.
533  *
534  * VIA vendor ID
535  */
536 #define	VIA_VENDORID			0x1106
537 
538 /*
539  * VIA Rhine device IDs.
540  */
541 #define	VIA_DEVICEID_RHINE		0x3043
542 #define VIA_DEVICEID_RHINE_II		0x6100
543 #define VIA_DEVICEID_RHINE_II_2		0x3065
544 #define VIA_DEVICEID_RHINE_III		0x3106
545 #define VIA_DEVICEID_RHINE_III_M	0x3053
546 
547 /*
548  * Delta Electronics device ID.
549  */
550 #define DELTA_VENDORID			0x1500
551 
552 /*
553  * Delta device IDs.
554  */
555 #define DELTA_DEVICEID_RHINE_II		0x1320
556 
557 /*
558  * Addtron vendor ID.
559  */
560 #define ADDTRON_VENDORID		0x4033
561 
562 /*
563  * Addtron device IDs.
564  */
565 #define ADDTRON_DEVICEID_RHINE_II	0x1320
566 
567 /*
568  * VIA Rhine revision IDs
569  */
570 
571 #define REV_ID_VT3043_E			0x04
572 #define REV_ID_VT3071_A			0x20
573 #define REV_ID_VT3071_B			0x21
574 #define REV_ID_VT6102_A			0x40
575 #define REV_ID_VT6102_B			0x41
576 #define REV_ID_VT6102_C			0x42
577 #define REV_ID_VT6102_APOLLO		0x74
578 #define REV_ID_VT6105_A0		0x80
579 #define REV_ID_VT6105_B0		0x83
580 #define REV_ID_VT6105_LOM		0x8A
581 #define REV_ID_VT6107_A0		0x8C
582 #define REV_ID_VT6107_A1		0x8D
583 #define REV_ID_VT6105M_A0		0x90
584 #define REV_ID_VT6105M_B1		0x94
585 
586 /*
587  * PCI low memory base and low I/O base register, and
588  * other PCI registers.
589  */
590 
591 #define VR_PCI_VENDOR_ID	0x00
592 #define VR_PCI_DEVICE_ID	0x02
593 #define VR_PCI_COMMAND		0x04
594 #define VR_PCI_STATUS		0x06
595 #define VR_PCI_REVID		0x08
596 #define VR_PCI_CLASSCODE	0x09
597 #define VR_PCI_LATENCY_TIMER	0x0D
598 #define VR_PCI_HEADER_TYPE	0x0E
599 #define VR_PCI_LOIO		0x10
600 #define VR_PCI_LOMEM		0x14
601 #define VR_PCI_BIOSROM		0x30
602 #define VR_PCI_INTLINE		0x3C
603 #define VR_PCI_INTPIN		0x3D
604 #define VR_PCI_MINGNT		0x3E
605 #define VR_PCI_MINLAT		0x0F
606 #define VR_PCI_RESETOPT		0x48
607 #define VR_PCI_EEPROM_DATA	0x4C
608 #define VR_PCI_MODE0		0x50
609 #define VR_PCI_MODE2		0x52
610 #define VR_PCI_MODE3		0x53
611 
612 #define VR_MODE2_PCEROPT	0x80 /* VT6102 only */
613 #define VR_MODE2_DISABT		0x40
614 #define VR_MODE2_MRDPL		0x08 /* VT6107A1 and above */
615 #define VR_MODE2_MODE10T	0x02
616 
617 #define VR_MODE3_XONOPT		0x80
618 #define VR_MODE3_TPACEN		0x40
619 #define VR_MODE3_BACKOPT	0x20
620 #define VR_MODE3_DLTSEL		0x10
621 #define VR_MODE3_MIIDMY		0x08
622 #define VR_MODE3_MIION		0x04
623 
624 /* power management registers */
625 #define VR_PCI_CAPID		0xDC /* 8 bits */
626 #define VR_PCI_NEXTPTR		0xDD /* 8 bits */
627 #define VR_PCI_PWRMGMTCAP	0xDE /* 16 bits */
628 #define VR_PCI_PWRMGMTCTRL	0xE0 /* 16 bits */
629 
630 #define VR_PSTATE_MASK		0x0003
631 #define VR_PSTATE_D0		0x0000
632 #define VR_PSTATE_D1		0x0002
633 #define VR_PSTATE_D2		0x0002
634 #define VR_PSTATE_D3		0x0003
635 #define VR_PME_EN		0x0010
636 #define VR_PME_STATUS		0x8000
637 
638 #define VR_RX_RING_CNT		128
639 #define VR_TX_RING_CNT		128
640 #define	VR_TX_RING_SIZE		sizeof(struct vr_desc) * VR_TX_RING_CNT
641 #define	VR_RX_RING_SIZE		sizeof(struct vr_desc) * VR_RX_RING_CNT
642 #define	VR_RING_ALIGN		sizeof(struct vr_desc)
643 #define	VR_RX_ALIGN		sizeof(uint32_t)
644 #define VR_MAXFRAGS		8
645 #define	VR_TX_INTR_THRESH	8
646 
647 #define	VR_ADDR_LO(x)		((uint64_t)(x) & 0xffffffff)
648 #define	VR_ADDR_HI(x)		((uint64_t)(x) >> 32)
649 #define	VR_TX_RING_ADDR(sc, i)	\
650     ((sc)->vr_rdata.vr_tx_ring_paddr + sizeof(struct vr_desc) * (i))
651 #define	VR_RX_RING_ADDR(sc, i)	\
652     ((sc)->vr_rdata.vr_rx_ring_paddr + sizeof(struct vr_desc) * (i))
653 #define	VR_INC(x,y)		(x) = (((x) + 1) % y)
654 
655 struct vr_txdesc {
656 	struct mbuf	*tx_m;
657 	bus_dmamap_t	tx_dmamap;
658 };
659 
660 struct vr_rxdesc {
661 	struct mbuf	*rx_m;
662 	bus_dmamap_t	rx_dmamap;
663 	struct vr_desc	*desc;
664 };
665 
666 struct vr_chain_data {
667 	bus_dma_tag_t		vr_parent_tag;
668 	bus_dma_tag_t		vr_tx_tag;
669 	struct vr_txdesc	vr_txdesc[VR_TX_RING_CNT];
670 	bus_dma_tag_t		vr_rx_tag;
671 	struct vr_rxdesc	vr_rxdesc[VR_RX_RING_CNT];
672 	bus_dma_tag_t		vr_tx_ring_tag;
673 	bus_dma_tag_t		vr_rx_ring_tag;
674 	bus_dmamap_t		vr_tx_ring_map;
675 	bus_dmamap_t		vr_rx_ring_map;
676 	bus_dmamap_t		vr_rx_sparemap;
677 	int			vr_tx_pkts;
678 	int			vr_tx_prod;
679 	int			vr_tx_cons;
680 	int			vr_tx_cnt;
681 	int			vr_rx_cons;
682 };
683 
684 struct vr_ring_data {
685 	struct vr_desc		*vr_rx_ring;
686 	struct vr_desc		*vr_tx_ring;
687 	bus_addr_t		vr_rx_ring_paddr;
688 	bus_addr_t		vr_tx_ring_paddr;
689 };
690 
691 struct vr_statistics {
692 	uint64_t		tx_ok;
693 	uint64_t		rx_ok;
694 	uint32_t		tx_errors;
695 	uint32_t		rx_errors;
696 	uint32_t		rx_no_buffers;
697 	uint32_t		rx_no_mbufs;
698 	uint32_t		rx_crc_errors;
699 	uint32_t		rx_alignment;
700 	uint32_t		rx_fifo_overflows;
701 	uint32_t		rx_giants;
702 	uint32_t		rx_runts;
703 	uint32_t		tx_abort;
704 	uint32_t		tx_collisions;
705 	uint32_t		tx_late_collisions;
706 	uint32_t		tx_underrun;
707 	uint32_t		bus_errors;
708 	uint32_t		num_restart;
709 };
710 
711 struct vr_softc {
712 	if_t			vr_ifp;	/* interface info */
713 	device_t		vr_dev;
714 	struct resource		*vr_res;
715 	int			vr_res_id;
716 	int			vr_res_type;
717 	struct resource		*vr_irq;
718 	void			*vr_intrhand;
719 	device_t		vr_miibus;
720 	uint8_t			vr_revid;	/* Rhine chip revision */
721 	int			vr_flags;	/* See VR_F_* below */
722 #define	VR_F_RESTART		0x0001		/* Restart unit on next tick */
723 #define	VR_F_TXPAUSE		0x0010
724 #define	VR_F_SUSPENDED		0x2000
725 #define	VR_F_DETACHED		0x4000
726 #define	VR_F_LINK		0x8000
727 	int			vr_if_flags;
728 	struct vr_chain_data	vr_cdata;
729 	struct vr_ring_data	vr_rdata;
730 	struct vr_statistics	vr_stat;
731 	struct callout		vr_stat_callout;
732 	struct mtx		vr_mtx;
733 	int			vr_quirks;
734 	int			vr_watchdog_timer;
735 	int			vr_txthresh;
736 #ifdef DEVICE_POLLING
737 	int			rxcycles;
738 #endif
739 	struct task		vr_inttask;
740 };
741 
742 #define	VR_LOCK(_sc)		mtx_lock(&(_sc)->vr_mtx)
743 #define	VR_UNLOCK(_sc)		mtx_unlock(&(_sc)->vr_mtx)
744 #define	VR_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->vr_mtx, MA_OWNED)
745 
746 /*
747  * register space access macros
748  */
749 #define CSR_WRITE_4(sc, reg, val)	bus_write_4(sc->vr_res, reg, val)
750 #define CSR_WRITE_2(sc, reg, val)	bus_write_2(sc->vr_res, reg, val)
751 #define CSR_WRITE_1(sc, reg, val)	bus_write_1(sc->vr_res, reg, val)
752 
753 #define CSR_READ_2(sc, reg)		bus_read_2(sc->vr_res, reg)
754 #define CSR_READ_1(sc, reg)		bus_read_1(sc->vr_res, reg)
755 
756 #define VR_SETBIT(sc, reg, x) CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) | (x))
757 #define VR_CLRBIT(sc, reg, x) CSR_WRITE_1(sc, reg, CSR_READ_1(sc, reg) & ~(x))
758 
759 #define VR_SETBIT16(sc, reg, x) CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) | (x))
760 #define VR_CLRBIT16(sc, reg, x) CSR_WRITE_2(sc, reg, CSR_READ_2(sc, reg) & ~(x))
761 
762 #define	VR_MCAST_CAM	0
763 #define	VR_VLAN_CAM	1
764