xref: /openbsd/sys/dev/ic/dcreg.h (revision 4b1a56af)
1 /*	$OpenBSD: dcreg.h,v 1.54 2022/01/09 05:42:38 jsg Exp $ */
2 
3 /*
4  * Copyright (c) 1997, 1998, 1999
5  *	Bill Paul <wpaul@ee.columbia.edu>.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Bill Paul.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  * $FreeBSD: src/sys/pci/if_dcreg.h,v 1.12 2000/10/05 17:36:14 wpaul Exp $
35  */
36 
37 /*
38  * 21143 and clone common register definitions.
39  */
40 
41 #ifdef __alpha__
42 #define SRM_MEDIA
43 #endif
44 
45 #define DC_BUSCTL		0x00	/* bus control */
46 #define DC_TXSTART		0x08	/* tx start demand */
47 #define DC_RXSTART		0x10	/* rx start demand */
48 #define DC_RXADDR		0x18	/* rx descriptor list start addr */
49 #define DC_TXADDR		0x20	/* tx descriptor list start addr */
50 #define DC_ISR			0x28	/* interrupt status register */
51 #define DC_NETCFG		0x30	/* network config register */
52 #define DC_IMR			0x38	/* interrupt mask */
53 #define DC_FRAMESDISCARDED	0x40	/* # of discarded frames */
54 #define DC_SIO			0x48	/* MII and ROM/EEPROM access */
55 #define DC_ROM			0x50	/* ROM programming address */
56 #define DC_TIMER		0x58	/* general timer */
57 #define DC_10BTSTAT		0x60	/* SIA status */
58 #define DC_SIARESET		0x68	/* SIA connectivity */
59 #define DC_10BTCTRL		0x70	/* SIA transmit and receive */
60 #define DC_WATCHDOG		0x78	/* SIA and general purpose port */
61 #define DC_SIAGP		0x78	/* SIA and general purpose port (X3201) */
62 
63 /*
64  * There are two general 'types' of MX chips that we need to be
65  * concerned with. One is the original 98713, which has its internal
66  * NWAY support controlled via the MDIO bits in the serial I/O
67  * register. The other is everything else (from the 98713A on up),
68  * which has its internal NWAY controlled via CSR13, CSR14 and CSR15,
69  * just like the 21143. This type setting also governs which of the
70  * 'magic' numbers we write to CSR16. The PNIC II falls into the
71  * 98713A/98715/98715A/98725 category.
72  */
73 #define DC_TYPE_98713		0x1
74 #define DC_TYPE_98713A		0x2
75 #define DC_TYPE_987x5		0x3
76 
77 /* Other type of supported chips. */
78 #define DC_TYPE_21143		0x4	/* Intel 21143 */
79 #define DC_TYPE_ASIX		0x5	/* ASIX AX88140A/AX88141 */
80 #define DC_TYPE_AL981		0x6	/* ADMtek AL981 Comet */
81 #define DC_TYPE_AN983		0x7	/* ADMtek AN983 Centaur */
82 #define DC_TYPE_DM9102		0x8	/* Davicom DM9102 */
83 #define DC_TYPE_PNICII		0x9	/* 82c115 PNIC II */
84 #define DC_TYPE_PNIC		0xA	/* 82c168/82c169 PNIC I */
85 #define DC_TYPE_XIRCOM		0xB	/* Xircom X3201 */
86 #define DC_TYPE_CONEXANT	0xC	/* Conexant LANfinity RS7112 */
87 #define DC_TYPE_21145		0xD	/* Intel 21145 */
88 
89 #define DC_IS_MACRONIX(x)			\
90 	(x->dc_type == DC_TYPE_98713 ||		\
91 	 x->dc_type == DC_TYPE_98713A ||	\
92 	 x->dc_type == DC_TYPE_987x5)
93 
94 #define DC_IS_ADMTEK(x)				\
95 	(x->dc_type == DC_TYPE_AL981 ||		\
96 	 x->dc_type == DC_TYPE_AN983)
97 
98 #define DC_IS_CENTAUR(x)			\
99 	(x->dc_type == DC_TYPE_AN983)
100 
101 #define DC_IS_INTEL(x)				\
102 	(x->dc_type == DC_TYPE_21143 ||		\
103 	 x->dc_type == DC_TYPE_21145)
104 
105 #define DC_IS_ASIX(x)		(x->dc_type == DC_TYPE_ASIX)
106 #define DC_IS_COMET(x)		(x->dc_type == DC_TYPE_AL981)
107 #define DC_IS_CENTAUR(x)	(x->dc_type == DC_TYPE_AN983)
108 #define DC_IS_DAVICOM(x)	(x->dc_type == DC_TYPE_DM9102)
109 #define DC_IS_PNICII(x)		(x->dc_type == DC_TYPE_PNICII)
110 #define DC_IS_PNIC(x)		(x->dc_type == DC_TYPE_PNIC)
111 #define DC_IS_XIRCOM(x)		(x->dc_type == DC_TYPE_XIRCOM)
112 #define DC_IS_CONEXANT(x)	(x->dc_type == DC_TYPE_CONEXANT)
113 
114 /* MII/symbol mode port types */
115 #define DC_PMODE_MII		0x1
116 #define DC_PMODE_SYM		0x2
117 #define DC_PMODE_SIA		0x3
118 
119 /*
120  * Bus control bits.
121  */
122 #define DC_BUSCTL_RESET		0x00000001
123 #define DC_BUSCTL_ARBITRATION	0x00000002
124 #define DC_BUSCTL_SKIPLEN	0x0000007C
125 #define DC_BUSCTL_BUF_BIGENDIAN	0x00000080
126 #define DC_BUSCTL_BURSTLEN	0x00003F00
127 #define DC_BUSCTL_CACHEALIGN	0x0000C000
128 #define DC_BUSCTL_TXPOLL	0x000E0000
129 #define DC_BUSCTL_DBO		0x00100000
130 #define DC_BUSCTL_MRME		0x00200000
131 #define DC_BUSCTL_MRLE		0x00800000
132 #define DC_BUSCTL_MWIE		0x01000000
133 #define DC_BUSCTL_ONNOW_ENB	0x04000000
134 
135 #define DC_SKIPLEN_1LONG	0x00000004
136 #define DC_SKIPLEN_2LONG	0x00000008
137 #define DC_SKIPLEN_3LONG	0x00000010
138 #define DC_SKIPLEN_4LONG	0x00000020
139 #define DC_SKIPLEN_5LONG	0x00000040
140 
141 #define DC_CACHEALIGN_NONE	0x00000000
142 #define DC_CACHEALIGN_8LONG	0x00004000
143 #define DC_CACHEALIGN_16LONG	0x00008000
144 #define DC_CACHEALIGN_32LONG	0x0000C000
145 
146 #define DC_BURSTLEN_USECA	0x00000000
147 #define DC_BURSTLEN_1LONG	0x00000100
148 #define DC_BURSTLEN_2LONG	0x00000200
149 #define DC_BURSTLEN_4LONG	0x00000400
150 #define DC_BURSTLEN_8LONG	0x00000800
151 #define DC_BURSTLEN_16LONG	0x00001000
152 #define DC_BURSTLEN_32LONG	0x00002000
153 
154 #define DC_TXPOLL_OFF		0x00000000
155 #define DC_TXPOLL_1		0x00020000
156 #define DC_TXPOLL_2		0x00040000
157 #define DC_TXPOLL_3		0x00060000
158 #define DC_TXPOLL_4		0x00080000
159 #define DC_TXPOLL_5		0x000A0000
160 #define DC_TXPOLL_6		0x000C0000
161 #define DC_TXPOLL_7		0x000E0000
162 
163 /*
164  * Interrupt status bits.
165  */
166 #define DC_ISR_TX_OK		0x00000001
167 #define DC_ISR_TX_IDLE		0x00000002
168 #define DC_ISR_TX_NOBUF		0x00000004
169 #define DC_ISR_TX_JABBERTIMEO	0x00000008
170 #define DC_ISR_LINKGOOD		0x00000010
171 #define DC_ISR_TX_UNDERRUN	0x00000020
172 #define DC_ISR_RX_OK		0x00000040
173 #define DC_ISR_RX_NOBUF		0x00000080
174 #define DC_ISR_RX_READ		0x00000100
175 #define DC_ISR_RX_WATDOGTIMEO	0x00000200
176 #define DC_ISR_TX_EARLY		0x00000400
177 #define DC_ISR_TIMER_EXPIRED	0x00000800
178 #define DC_ISR_LINKFAIL		0x00001000
179 #define DC_ISR_BUS_ERR		0x00002000
180 #define DC_ISR_RX_EARLY		0x00004000
181 #define DC_ISR_ABNORMAL		0x00008000
182 #define DC_ISR_NORMAL		0x00010000
183 #define DC_ISR_RX_STATE		0x000E0000
184 #define DC_ISR_TX_STATE		0x00700000
185 #define DC_ISR_BUSERRTYPE	0x03800000
186 #define DC_ISR_100MBPSLINK	0x08000000
187 #define DC_ISR_MAGICKPACK	0x10000000
188 
189 #define DC_RXSTATE_STOPPED	0x00000000	/* 000 - Stopped */
190 #define DC_RXSTATE_FETCH	0x00020000	/* 001 - Fetching descriptor */
191 #define DC_RXSTATE_ENDCHECK	0x00040000	/* 010 - check for rx end */
192 #define DC_RXSTATE_WAIT		0x00060000	/* 011 - waiting for packet */
193 #define DC_RXSTATE_SUSPEND	0x00080000	/* 100 - suspend rx */
194 #define DC_RXSTATE_CLOSE	0x000A0000	/* 101 - close tx desc */
195 #define DC_RXSTATE_FLUSH	0x000C0000	/* 110 - flush from FIFO */
196 #define DC_RXSTATE_DEQUEUE	0x000E0000	/* 111 - dequeue from FIFO */
197 
198 #define DC_HAS_BROKEN_RXSTATE(x)					\
199 	(DC_IS_CENTAUR(x) || DC_IS_CONEXANT(x) || (DC_IS_DAVICOM(x) &&	\
200 	sc->dc_revision >= DC_REVISION_DM9102A))
201 
202 #define DC_TXSTATE_RESET	0x00000000	/* 000 - reset */
203 #define DC_TXSTATE_FETCH	0x00100000	/* 001 - fetching descriptor */
204 #define DC_TXSTATE_WAITEND	0x00200000	/* 010 - wait for tx end */
205 #define DC_TXSTATE_READING	0x00300000	/* 011 - read and enqueue */
206 #define DC_TXSTATE_RSVD		0x00400000	/* 100 - reserved */
207 #define DC_TXSTATE_SETUP	0x00500000	/* 101 - setup packet */
208 #define DC_TXSTATE_SUSPEND	0x00600000	/* 110 - suspend tx */
209 #define DC_TXSTATE_CLOSE	0x00700000	/* 111 - close tx desc */
210 
211 /*
212  * Network config bits.
213  */
214 #define DC_NETCFG_RX_HASHPERF	0x00000001
215 #define DC_NETCFG_RX_ON		0x00000002
216 #define DC_NETCFG_RX_HASHONLY	0x00000004
217 #define DC_NETCFG_RX_BADFRAMES	0x00000008
218 #define DC_NETCFG_RX_INVFILT	0x00000010
219 #define DC_NETCFG_BACKOFFCNT	0x00000020
220 #define DC_NETCFG_RX_PROMISC	0x00000040
221 #define DC_NETCFG_RX_ALLMULTI	0x00000080
222 #define DC_NETCFG_FULLDUPLEX	0x00000200
223 #define DC_NETCFG_LOOPBACK	0x00000C00
224 #define DC_NETCFG_FORCECOLL	0x00001000
225 #define DC_NETCFG_TX_ON		0x00002000
226 #define DC_NETCFG_TX_THRESH	0x0000C000
227 #define DC_NETCFG_TX_BACKOFF	0x00020000
228 #define DC_NETCFG_PORTSEL	0x00040000	/* 0 == 10, 1 == 100 */
229 #define DC_NETCFG_HEARTBEAT	0x00080000
230 #define DC_NETCFG_STORENFWD	0x00200000
231 #define DC_NETCFG_SPEEDSEL	0x00400000	/* 1 == 10, 0 == 100 */
232 #define DC_NETCFG_PCS		0x00800000
233 #define DC_NETCFG_SCRAMBLER	0x01000000
234 #define DC_NETCFG_NO_RXCRC	0x02000000
235 #define DC_NETCFG_RX_ALL	0x40000000
236 #define DC_NETCFG_CAPEFFECT	0x80000000
237 
238 #define DC_OPMODE_NORM		0x00000000
239 #define DC_OPMODE_INTLOOP	0x00000400
240 #define DC_OPMODE_EXTLOOP	0x00000800
241 
242 #if 0
243 #define DC_TXTHRESH_72BYTES	0x00000000
244 #define DC_TXTHRESH_96BYTES	0x00004000
245 #define DC_TXTHRESH_128BYTES	0x00008000
246 #define DC_TXTHRESH_160BYTES	0x0000C000
247 #endif
248 
249 #define DC_TXTHRESH_MIN		0x00000000
250 #define DC_TXTHRESH_INC		0x00004000
251 #define DC_TXTHRESH_MAX		0x0000C000
252 
253 /*
254  * Interrupt mask bits.
255  */
256 #define DC_IMR_TX_OK		0x00000001
257 #define DC_IMR_TX_IDLE		0x00000002
258 #define DC_IMR_TX_NOBUF		0x00000004
259 #define DC_IMR_TX_JABBERTIMEO	0x00000008
260 #define DC_IMR_LINKGOOD		0x00000010
261 #define DC_IMR_TX_UNDERRUN	0x00000020
262 #define DC_IMR_RX_OK		0x00000040
263 #define DC_IMR_RX_NOBUF		0x00000080
264 #define DC_IMR_RX_READ		0x00000100
265 #define DC_IMR_RX_WATDOGTIMEO	0x00000200
266 #define DC_IMR_TX_EARLY		0x00000400
267 #define DC_IMR_TIMER_EXPIRED	0x00000800
268 #define DC_IMR_LINKFAIL		0x00001000
269 #define DC_IMR_BUS_ERR		0x00002000
270 #define DC_IMR_RX_EARLY		0x00004000
271 #define DC_IMR_ABNORMAL		0x00008000
272 #define DC_IMR_NORMAL		0x00010000
273 #define DC_IMR_100MBPSLINK	0x08000000
274 #define DC_IMR_MAGICKPACK	0x10000000
275 
276 #define DC_INTRS	\
277 	(DC_IMR_RX_OK|DC_IMR_TX_OK|DC_IMR_RX_NOBUF|DC_IMR_RX_WATDOGTIMEO|\
278 	DC_IMR_TX_IDLE|DC_IMR_TX_NOBUF|DC_IMR_TX_UNDERRUN|DC_IMR_BUS_ERR|\
279 	DC_IMR_ABNORMAL|DC_IMR_NORMAL/*|DC_IMR_TX_EARLY*/)
280 /*
281  * Serial I/O (EEPROM/ROM) bits.
282  */
283 #define DC_SIO_EE_CS		0x00000001	/* EEPROM chip select */
284 #define DC_SIO_EE_CLK		0x00000002	/* EEPROM clock */
285 #define DC_SIO_EE_DATAIN	0x00000004	/* EEPROM data output */
286 #define DC_SIO_EE_DATAOUT	0x00000008	/* EEPROM data input */
287 #define DC_SIO_ROMDATA4		0x00000010
288 #define DC_SIO_ROMDATA5		0x00000020
289 #define DC_SIO_ROMDATA6		0x00000040
290 #define DC_SIO_ROMDATA7		0x00000080
291 #define DC_SIO_EESEL		0x00000800
292 #define DC_SIO_ROMSEL		0x00001000
293 #define DC_SIO_ROMCTL_WRITE	0x00002000
294 #define DC_SIO_ROMCTL_READ	0x00004000
295 #define DC_SIO_MII_CLK		0x00010000	/* MDIO clock */
296 #define DC_SIO_MII_DATAOUT	0x00020000	/* MDIO data out */
297 #define DC_SIO_MII_DIR		0x00040000	/* MDIO dir */
298 #define DC_SIO_MII_DATAIN	0x00080000	/* MDIO data in */
299 
300 #define DC_EECMD_WRITE		0x140
301 #define DC_EECMD_READ		0x180
302 #define DC_EECMD_ERASE		0x1c0
303 
304 #define DC_EE_NODEADDR_OFFSET	0x70
305 #define DC_EE_NODEADDR		10
306 
307 /*
308  * General purpose timer register
309  * (upper 15 bits exist on rev 0x41 chips only)
310  */
311 #define DC_TIMER_CLKDIV		0x80000000	/* clock/16 */
312 #define DC_TIMER_TXTIMER	0x78000000	/* TX intr delay timer */
313 #define DC_TIMER_TXCOUNT	0x07000000	/* TX intr delay counter */
314 #define DC_TIMER_RXTIMER	0x00F00000	/* RX intr delay timer */
315 #define DC_TIMER_RXCOUNT	0x000E0000	/* RX intr delay counter */
316 #define DC_TIMER_CONTINUOUS	0x00010000
317 #define DC_TIMER_VALUE		0x0000FFFF	/* 81.92us */
318 
319 /*
320  * 10baseT status register
321  */
322 #define DC_TSTAT_MIIACT		0x00000001 /* MII port activity */
323 #define DC_TSTAT_LS100		0x00000002 /* link status of 100baseTX */
324 #define DC_TSTAT_LS10		0x00000004 /* link status of 10baseT */
325 #define DC_TSTAT_AUTOPOLARITY	0x00000008
326 #define DC_TSTAT_AUIACT		0x00000100 /* AUI activity */
327 #define DC_TSTAT_10BTACT	0x00000200 /* 10baseT activity */
328 #define DC_TSTAT_NSN		0x00000400 /* non-stable FLPs detected */
329 #define DC_TSTAT_REMFAULT	0x00000800
330 #define DC_TSTAT_ANEGSTAT	0x00007000
331 #define DC_TSTAT_LP_CAN_NWAY	0x00008000 /* link partner supports NWAY */
332 #define DC_TSTAT_LPCODEWORD	0xFFFF0000 /* link partner's code word */
333 
334 #define DC_ASTAT_DISABLE	0x00000000
335 #define DC_ASTAT_TXDISABLE	0x00001000
336 #define DC_ASTAT_ABDETECT	0x00002000
337 #define DC_ASTAT_ACKDETECT	0x00003000
338 #define DC_ASTAT_CMPACKDETECT	0x00004000
339 #define DC_ASTAT_AUTONEGCMP	0x00005000
340 #define DC_ASTAT_LINKCHECK	0x00006000
341 
342 /*
343  * PHY reset register
344  */
345 #define DC_SIA_RESET		0x00000001
346 #define DC_SIA_AUI		0x00000008 /* AUI or 10baseT */
347 
348 /*
349  * 10baseT control register
350  */
351 #define DC_TCTL_ENCODER_ENB	0x00000001
352 #define DC_TCTL_LOOPBACK	0x00000002
353 #define DC_TCTL_DRIVER_ENB	0x00000004
354 #define DC_TCTL_LNKPULSE_ENB	0x00000008
355 #define DC_TCTL_HALFDUPLEX	0x00000040
356 #define DC_TCTL_AUTONEGENBL	0x00000080
357 #define DC_TCTL_RX_SQUELCH	0x00000100
358 #define DC_TCTL_COLL_SQUELCH	0x00000200
359 #define DC_TCTL_COLL_DETECT	0x00000400
360 #define DC_TCTL_SQE_ENB		0x00000800
361 #define DC_TCTL_LINKTEST	0x00001000
362 #define DC_TCTL_AUTOPOLARITY	0x00002000
363 #define DC_TCTL_SET_POL_PLUS	0x00004000
364 #define DC_TCTL_AUTOSENSE	0x00008000	/* 10bt/AUI autosense */
365 #define DC_TCTL_100BTXHALF	0x00010000
366 #define DC_TCTL_100BTXFULL	0x00020000
367 #define DC_TCTL_100BT4		0x00040000
368 
369 /*
370  * Watchdog timer register
371  */
372 #define DC_WDOG_JABBERDIS	0x00000001
373 #define DC_WDOG_HOSTUNJAB	0x00000002
374 #define DC_WDOG_JABBERCLK	0x00000004
375 #define DC_WDOG_RXWDOGDIS	0x00000010
376 #define DC_WDOG_RXWDOGCLK	0x00000020
377 #define DC_WDOG_MUSTBEZERO	0x00000100
378 #define DC_WDOG_AUIBNC		0x00100000
379 #define DC_WDOG_ACTIVITY	0x00200000
380 #define DC_WDOG_LINK		0x00800000
381 #define DC_WDOG_CTLWREN		0x08000000
382 
383 /*
384  * SIA and General Purpose Port register (X3201)
385  */
386 #define DC_SIAGP_RXMATCH	0x40000000
387 #define DC_SIAGP_INT1		0x20000000
388 #define DC_SIAGP_INT0		0x10000000
389 #define DC_SIAGP_WRITE_EN	0x08000000
390 #define DC_SIAGP_RXMATCH_EN	0x04000000
391 #define DC_SIAGP_INT1_EN	0x02000000
392 #define DC_SIAGP_INT0_EN	0x01000000
393 #define DC_SIAGP_LED3		0x00800000
394 #define DC_SIAGP_LED2		0x00400000
395 #define DC_SIAGP_LED1		0x00200000
396 #define DC_SIAGP_LED0		0x00100000
397 #define DC_SIAGP_MD_GP3_OUTPUT	0x00080000
398 #define DC_SIAGP_MD_GP2_OUTPUT	0x00040000
399 #define DC_SIAGP_MD_GP1_OUTPUT	0x00020000
400 #define DC_SIAGP_MD_GP0_OUTPUT	0x00010000
401 
402 /*
403  * Size of a setup frame.
404  */
405 #define DC_SFRAME_LEN		192
406 
407 /*
408  * 21x4x TX/RX list structure.
409  */
410 
411 struct dc_desc {
412 	u_int32_t		dc_status;
413 	u_int32_t		dc_ctl;
414 	u_int32_t		dc_ptr1;
415 	u_int32_t		dc_ptr2;
416 	u_int32_t		dc_pad[4];
417 };
418 
419 #define dc_data		dc_ptr1
420 #define dc_next		dc_ptr2
421 
422 #define DC_RXSTAT_FIFOOFLOW	0x00000001
423 #define DC_RXSTAT_CRCERR	0x00000002
424 #define DC_RXSTAT_DRIBBLE	0x00000004
425 #define DC_RXSTAT_MIIERE	0x00000008
426 #define DC_RXSTAT_WATCHDOG	0x00000010
427 #define DC_RXSTAT_FRAMETYPE	0x00000020	/* 0 == IEEE 802.3 */
428 #define DC_RXSTAT_COLLSEEN	0x00000040
429 #define DC_RXSTAT_GIANT		0x00000080
430 #define DC_RXSTAT_LASTFRAG	0x00000100
431 #define DC_RXSTAT_FIRSTFRAG	0x00000200
432 #define DC_RXSTAT_MULTICAST	0x00000400
433 #define DC_RXSTAT_RUNT		0x00000800
434 #define DC_RXSTAT_RXTYPE	0x00003000
435 #define DC_RXSTAT_DE		0x00004000
436 #define DC_RXSTAT_RXERR		0x00008000
437 #define DC_RXSTAT_RXLEN		0x3FFF0000
438 #define DC_RXSTAT_OWN		0x80000000
439 
440 #define DC_RXBYTES(x)		((x & DC_RXSTAT_RXLEN) >> 16)
441 #define DC_RXSTAT (DC_RXSTAT_FIRSTFRAG|DC_RXSTAT_LASTFRAG|DC_RXSTAT_OWN)
442 
443 #define DC_RXCTL_BUFLEN1	0x00000FFF
444 #define DC_RXCTL_BUFLEN2	0x00FFF000
445 #define DC_RXCTL_RLINK		0x01000000
446 #define DC_RXCTL_RLAST		0x02000000
447 
448 #define DC_TXSTAT_DEFER		0x00000001
449 #define DC_TXSTAT_UNDERRUN	0x00000002
450 #define DC_TXSTAT_LINKFAIL	0x00000003
451 #define DC_TXSTAT_COLLCNT	0x00000078
452 #define DC_TXSTAT_SQE		0x00000080
453 #define DC_TXSTAT_EXCESSCOLL	0x00000100
454 #define DC_TXSTAT_LATECOLL	0x00000200
455 #define DC_TXSTAT_NOCARRIER	0x00000400
456 #define DC_TXSTAT_CARRLOST	0x00000800
457 #define DC_TXSTAT_JABTIMEO	0x00004000
458 #define DC_TXSTAT_ERRSUM	0x00008000
459 #define DC_TXSTAT_OWN		0x80000000
460 
461 #define DC_TXCTL_BUFLEN1	0x000007FF
462 #define DC_TXCTL_BUFLEN2	0x003FF800
463 #define DC_TXCTL_FILTTYPE0	0x00400000
464 #define DC_TXCTL_PAD		0x00800000
465 #define DC_TXCTL_TLINK		0x01000000
466 #define DC_TXCTL_TLAST		0x02000000
467 #define DC_TXCTL_NOCRC		0x04000000
468 #define DC_TXCTL_SETUP		0x08000000
469 #define DC_TXCTL_FILTTYPE1	0x10000000
470 #define DC_TXCTL_FIRSTFRAG	0x20000000
471 #define DC_TXCTL_LASTFRAG	0x40000000
472 #define DC_TXCTL_FINT		0x80000000
473 
474 #define DC_FILTER_PERFECT	0x00000000
475 #define DC_FILTER_HASHPERF	0x00400000
476 #define DC_FILTER_INVERSE	0x10000000
477 #define DC_FILTER_HASHONLY	0x10400000
478 
479 #define DC_MAXFRAGS		16
480 #define DC_RX_LIST_CNT		64
481 #define DC_TX_LIST_CNT		256
482 
483 #define DC_INC(x, y)	(x) = (x + 1) % y
484 
485 struct dc_list_data {
486 	struct dc_desc		dc_rx_list[DC_RX_LIST_CNT];
487 	struct dc_desc		dc_tx_list[DC_TX_LIST_CNT];
488 	u_int32_t		dc_sbuf[DC_SFRAME_LEN/sizeof(u_int32_t)];
489 	u_int8_t		dc_pad[ETHER_MIN_LEN];
490 };
491 
492 /* software descriptor */
493 struct dc_swdesc {
494 	bus_dmamap_t		sd_map;
495 	struct mbuf		*sd_mbuf;
496 };
497 
498 struct dc_chain_data {
499 	struct dc_swdesc	dc_rx_chain[DC_RX_LIST_CNT];
500 	struct dc_swdesc	dc_tx_chain[DC_TX_LIST_CNT];
501 	int			dc_tx_prod;
502 	int			dc_tx_cons;
503 	int			dc_tx_cnt;
504 	int			dc_rx_prod;
505 };
506 
507 struct dc_mediainfo {
508 	uint64_t		dc_media;
509 	u_int8_t		*dc_gp_ptr;
510 	u_int8_t		dc_gp_len;
511 	u_int8_t		*dc_reset_ptr;
512 	u_int8_t		dc_reset_len;
513 	struct dc_mediainfo	*dc_next;
514 };
515 
516 struct dc_type {
517 	u_int16_t		dc_vid;
518 	u_int16_t		dc_did;
519 };
520 
521 struct dc_mii_frame {
522 	u_int8_t		mii_stdelim;
523 	u_int8_t		mii_opcode;
524 	u_int8_t		mii_phyaddr;
525 	u_int8_t		mii_regaddr;
526 	u_int8_t		mii_turnaround;
527 	u_int16_t		mii_data;
528 };
529 
530 /*
531  * MII constants
532  */
533 #define DC_MII_STARTDELIM	0x01
534 #define DC_MII_READOP		0x02
535 #define DC_MII_WRITEOP		0x01
536 #define DC_MII_TURNAROUND	0x02
537 
538 
539 /*
540  * Registers specific to clone devices.
541  * This mainly relates to RX filter programming: not all 21x4x clones
542  * use the standard DEC filter programming mechanism.
543  */
544 
545 /*
546  * ADMtek specific registers and constants for the AL981 and AN983.
547  * The AN983 doesn't use the magic PHY registers.
548  */
549 #define DC_AL_CR		0x88	/* Command register */
550 #define DC_AL_PAR0		0xA4	/* station address */
551 #define DC_AL_PAR1		0xA8	/* station address */
552 #define DC_AL_MAR0		0xAC	/* multicast hash filter */
553 #define DC_AL_MAR1		0xB0	/* multicast hash filter */
554 #define DC_AL_BMCR		0xB4	/* built in PHY control */
555 #define DC_AL_BMSR		0xB8	/* built in PHY status */
556 #define DC_AL_VENID		0xBC	/* built in PHY ID0 */
557 #define DC_AL_DEVID		0xC0	/* built in PHY ID1 */
558 #define DC_AL_ANAR		0xC4	/* built in PHY autoneg advert */
559 #define DC_AL_LPAR		0xC8	/* bnilt in PHY link part. ability */
560 #define DC_AL_ANER		0xCC	/* built in PHY autoneg expansion */
561 
562 #define DC_ADMTEK_PHYADDR	0x1
563 #define DC_AL_EE_NODEADDR	8
564 #define DC_AL_CR_ATUR		0x00000001	/* Enable automatic TX underrun recovery */
565 /* End of ADMtek specific registers */
566 
567 /*
568  * ASIX specific registers.
569  */
570 #define DC_AX_FILTIDX		0x68	/* RX filter index */
571 #define DC_AX_FILTDATA		0x70	/* RX filter data */
572 
573 /*
574  * Special ASIX-specific bits in the ASIX NETCFG register (CSR6).
575  */
576 #define DC_AX_NETCFG_RX_BROAD	0x00000100
577 
578 /*
579  * RX Filter Index Register values
580  */
581 #define DC_AX_FILTIDX_PAR0	0x00000000
582 #define DC_AX_FILTIDX_PAR1	0x00000001
583 #define DC_AX_FILTIDX_MAR0	0x00000002
584 #define DC_AX_FILTIDX_MAR1	0x00000003
585 /* End of ASIX specific registers */
586 
587 /*
588  * Macronix specific registers. The Macronix chips have a special
589  * register for reading the NWAY status, which we don't use, plus
590  * a magic packet register, which we need to tweak a bit per the
591  * Macronix application notes.
592  */
593 #define DC_MX_MAGICPACKET	0x80
594 #define DC_MX_NWAYSTAT		0xA0
595 
596 /*
597  * Magic packet register
598  */
599 #define DC_MX_MPACK_DISABLE	0x00400000
600 
601 /*
602  * NWAY status register.
603  */
604 #define DC_MX_NWAY_10BTHALF	0x08000000
605 #define DC_MX_NWAY_10BTFULL	0x10000000
606 #define DC_MX_NWAY_100BTHALF	0x20000000
607 #define DC_MX_NWAY_100BTFULL	0x40000000
608 #define DC_MX_NWAY_100BT4	0x80000000
609 
610 /*
611  * These are magic values that must be written into CSR16
612  * (DC_MX_MAGICPACKET) in order to put the chip into proper
613  * operating mode. The magic numbers are documented in the
614  * Macronix 98715 application notes.
615  */
616 #define DC_MX_MAGIC_98713	0x0F370000
617 #define DC_MX_MAGIC_98713A	0x0B3C0000
618 #define DC_MX_MAGIC_98715	0x0B3C0000
619 #define DC_MX_MAGIC_98725	0x0B3C0000
620 /* End of Macronix specific registers */
621 
622 /*
623  * PNIC 82c168/82c169 specific registers.
624  * The PNIC has its own special NWAY support, which doesn't work,
625  * and shortcut ways of reading the EEPROM and MII bus.
626  */
627 #define DC_PN_GPIO		0x60	/* general purpose pins control */
628 #define DC_PN_PWRUP_CFG		0x90	/* config register, set by EEPROM */
629 #define DC_PN_SIOCTL		0x98	/* serial EEPROM control register */
630 #define DC_PN_MII		0xA0	/* MII access register */
631 #define DC_PN_NWAY		0xB8	/* Internal NWAY register */
632 
633 /* Serial I/O EEPROM register */
634 #define DC_PN_SIOCTL_DATA	0x0000003F
635 #define DC_PN_SIOCTL_OPCODE	0x00000300
636 #define DC_PN_SIOCTL_BUSY	0x80000000
637 
638 #define DC_PN_EEOPCODE_ERASE	0x00000300
639 #define DC_PN_EEOPCODE_READ	0x00000600
640 #define DC_PN_EEOPCODE_WRITE	0x00000100
641 
642 /*
643  * The first two general purpose pins control speed selection and
644  * 100Mbps loopback on the 82c168 chip. The control bits should always
645  * be set (to make the data pins outputs) and the speed selection and
646  * loopback bits set accordingly when changing media. Physically, this
647  * will set the state of a relay mounted on the card.
648  */
649 #define DC_PN_GPIO_DATA0	0x000000001
650 #define DC_PN_GPIO_DATA1	0x000000002
651 #define DC_PN_GPIO_DATA2	0x000000004
652 #define DC_PN_GPIO_DATA3	0x000000008
653 #define DC_PN_GPIO_CTL0		0x000000010
654 #define DC_PN_GPIO_CTL1		0x000000020
655 #define DC_PN_GPIO_CTL2		0x000000040
656 #define DC_PN_GPIO_CTL3		0x000000080
657 #define DC_PN_GPIO_SPEEDSEL	DC_PN_GPIO_DATA0/* 1 == 100Mbps, 0 == 10Mbps */
658 #define DC_PN_GPIO_100TX_LOOP	DC_PN_GPIO_DATA1/* 1 == normal, 0 == loop */
659 #define DC_PN_GPIO_BNC_ENB	DC_PN_GPIO_DATA2
660 #define DC_PN_GPIO_100TX_LNK	DC_PN_GPIO_DATA3
661 #define DC_PN_GPIO_SETBIT(sc, r)			\
662 	DC_SETBIT(sc, DC_PN_GPIO, ((r) | (r << 4)))
663 #define DC_PN_GPIO_CLRBIT(sc, r)			\
664 	{						\
665 		DC_SETBIT(sc, DC_PN_GPIO, ((r) << 4));	\
666 		DC_CLRBIT(sc, DC_PN_GPIO, (r));		\
667 	}
668 
669 /* shortcut MII access register */
670 #define DC_PN_MII_DATA		0x0000FFFF
671 #define DC_PN_MII_RESERVER	0x00020000
672 #define DC_PN_MII_REGADDR	0x007C0000
673 #define DC_PN_MII_PHYADDR	0x0F800000
674 #define DC_PN_MII_OPCODE	0x30000000
675 #define DC_PN_MII_BUSY		0x80000000
676 
677 #define DC_PN_MIIOPCODE_READ	0x60020000
678 #define DC_PN_MIIOPCODE_WRITE	0x50020000
679 
680 /* Internal NWAY bits */
681 #define DC_PN_NWAY_RESET	0x00000001	/* reset */
682 #define DC_PN_NWAY_PDOWN	0x00000002	/* power down */
683 #define DC_PN_NWAY_BYPASS	0x00000004	/* bypass */
684 #define DC_PN_NWAY_AUILOWCUR	0x00000008	/* AUI low current */
685 #define DC_PN_NWAY_TPEXTEND	0x00000010	/* low squelch voltage */
686 #define DC_PN_NWAY_POLARITY	0x00000020	/* 0 == on, 1 == off */
687 #define DC_PN_NWAY_TP		0x00000040	/* 1 == tp, 0 == AUI */
688 #define DC_PN_NWAY_AUIVOLT	0x00000080	/* 1 == full, 0 == half */
689 #define DC_PN_NWAY_DUPLEX	0x00000100	/* LED, 1 == full, 0 == half */
690 #define DC_PN_NWAY_LINKTEST	0x00000200	/* 0 == on, 1 == off */
691 #define DC_PN_NWAY_AUTODETECT	0x00000400	/* 1 == off, 0 == on */
692 #define DC_PN_NWAY_SPEEDSEL	0x00000800	/* LED, 0 = 10, 1 == 100 */
693 #define DC_PN_NWAY_NWAY_ENB	0x00001000	/* 0 == off, 1 == on */
694 #define DC_PN_NWAY_CAP10HDX	0x00002000
695 #define DC_PN_NWAY_CAP10FDX	0x00004000
696 #define DC_PN_NWAY_CAP100FDX	0x00008000
697 #define DC_PN_NWAY_CAP100HDX	0x00010000
698 #define DC_PN_NWAY_CAP100T4	0x00020000
699 #define DC_PN_NWAY_ANEGRESTART	0x02000000	/* resets when aneg done */
700 #define DC_PN_NWAY_REMFAULT	0x04000000
701 #define DC_PN_NWAY_LPAR10HDX	0x08000000
702 #define DC_PN_NWAY_LPAR10FDX	0x10000000
703 #define DC_PN_NWAY_LPAR100FDX	0x20000000
704 #define DC_PN_NWAY_LPAR100HDX	0x40000000
705 #define DC_PN_NWAY_LPAR100T4	0x80000000
706 
707 /* End of PNIC specific registers */
708 
709 /*
710  * CONEXANT specific registers.
711  */
712 
713 #define DC_CONEXANT_PHYADDR	0x1
714 #define DC_CONEXANT_EE_NODEADDR	0x19A
715 
716 /* End of CONEXANT specific register */
717 
718 struct dc_softc {
719 	struct device		sc_dev;
720 	void			*sc_ih;
721 	struct arpcom		sc_arpcom;	/* interface info */
722 	mii_data_t		sc_mii;
723 	bus_space_handle_t	dc_bhandle;	/* bus space handle */
724 	bus_space_tag_t		dc_btag;	/* bus space tag */
725 	u_int8_t		dc_type;
726 	u_int8_t		dc_pmode;
727 	u_int8_t		dc_link;
728 	u_int8_t		dc_cachesize;
729 	int			dc_romwidth;
730 	int			dc_pnic_rx_bug_save;
731 	unsigned char		*dc_pnic_rx_buf;
732 	uint64_t		dc_if_media;
733 	u_int32_t		dc_flags;
734 	u_int32_t		dc_txthresh;
735 	u_int8_t		*dc_srom;
736 	size_t			dc_sromsize;
737 	struct dc_mediainfo	*dc_mi;
738 	struct dc_list_data	*dc_ldata;
739 	struct dc_chain_data	dc_cdata;
740 	u_int32_t		dc_csid;
741 	u_int			dc_revision;
742 	struct timeout		dc_tick_tmo;
743 #ifdef SRM_MEDIA
744 	uint64_t		dc_srm_media;
745 #endif
746 	bus_dma_tag_t		sc_dmat;
747 	bus_dmamap_t		sc_listmap;
748 	bus_dma_segment_t	sc_listseg[1];
749 	int			sc_listnseg;
750 	caddr_t			sc_listkva;
751 	bus_dmamap_t		sc_rx_sparemap;
752 	bus_dmamap_t		sc_tx_sparemap;
753 	int			sc_hasmac;
754 };
755 
756 #define DC_TX_POLL		0x00000001
757 #define DC_TX_COALESCE		0x00000002
758 #define DC_TX_ADMTEK_WAR	0x00000004
759 #define DC_TX_USE_TX_INTR	0x00000008
760 #define DC_RX_FILTER_TULIP	0x00000010
761 #define DC_TX_INTR_FIRSTFRAG	0x00000020
762 #define DC_PNIC_RX_BUG_WAR	0x00000040
763 #define DC_TX_FIXED_RING	0x00000080
764 #define DC_TX_STORENFWD		0x00000100
765 #define DC_REDUCED_MII_POLL	0x00000200
766 #define DC_TX_INTR_ALWAYS	0x00000400
767 #define DC_21143_NWAY		0x00000800
768 #define DC_128BIT_HASH		0x00001000
769 #define DC_64BIT_HASH		0x00002000
770 #define DC_TULIP_LEDS		0x00004000
771 #define DC_TX_ONE		0x00008000
772 #define DC_TX_ALIGN		0x00010000	/* align mbuf on tx */
773 #define DC_MOMENCO_BOTCH	0x00020000
774 
775 /*
776  * register space access macros
777  */
778 #define CSR_WRITE_4(sc, reg, val)	\
779 	bus_space_write_4(sc->dc_btag, sc->dc_bhandle, reg, val)
780 
781 #define CSR_READ_4(sc, reg)		\
782 	bus_space_read_4(sc->dc_btag, sc->dc_bhandle, reg)
783 
784 #define DC_TIMEOUT		1000
785 
786 /*
787  * General constants that are fun to know.
788  */
789 
790 /* Macronix PCI revision codes. */
791 #define DC_REVISION_98713	0x00
792 #define DC_REVISION_98713A	0x10
793 #define DC_REVISION_98715	0x20
794 #define DC_REVISION_98715AEC_C	0x25
795 #define DC_REVISION_98725	0x30
796 
797 /*
798  * 82c168/82c169 PNIC device IDs. Both chips have the same device
799  * ID but different revisions. Revision 0x10 is the 82c168, and
800  * 0x20 is the 82c169.
801  */
802 #define DC_REVISION_82C168	0x10
803 #define DC_REVISION_82C169	0x20
804 
805 /*
806  * The ASIX AX88140 and ASIX AX88141 have the same vendor and
807  * device IDs but different revision values.
808  */
809 #define DC_REVISION_88140	0x00
810 #define DC_REVISION_88141	0x10
811 
812 /*
813  * The DMA9102A has the same PCI device ID as the DM9102,
814  * but a higher revision code.
815  */
816 #define DC_REVISION_DM9102	0x10
817 #define DC_REVISION_DM9102A	0x30
818 
819 /*
820  * PCI low memory base and low I/O base register, and
821  * other PCI registers.
822  */
823 
824 #define DC_PCI_CFID		0x00	/* Id */
825 #define DC_PCI_CFCS		0x04	/* Command and status */
826 #define DC_PCI_CFRV		0x08	/* Revision */
827 #define DC_PCI_CFLT		0x0C	/* Latency timer */
828 #define DC_PCI_CFBIO		0x10	/* Base I/O address */
829 #define DC_PCI_CFBMA		0x14	/* Base memory address */
830 #define DC_PCI_CCIS		0x28	/* Card info struct */
831 #define DC_PCI_CSID		0x2C	/* Subsystem ID */
832 #define DC_PCI_CBER		0x30	/* Expansion ROM base address */
833 #define DC_PCI_CCAP		0x34	/* Caps pointer - PD/TD chip only */
834 #define DC_PCI_CFIT		0x3C	/* Interrupt */
835 #define DC_PCI_CFDD		0x40	/* Device and driver area */
836 #define DC_PCI_CWUA0		0x44	/* Wake-Up LAN addr 0 */
837 #define DC_PCI_CWUA1		0x48	/* Wake-Up LAN addr 1 */
838 #define DC_PCI_SOP0		0x4C	/* SecureON passwd 0 */
839 #define DC_PCI_SOP1		0x50	/* SecureON passwd 1 */
840 #define DC_PCI_CWUC		0x54	/* Configuration Wake-Up cmd */
841 #define DC_PCI_CCID		0xDC	/* Capability ID - PD/TD only */
842 #define DC_PCI_CPMC		0xE0	/* Pwrmgmt ctl & sts - PD/TD only */
843 
844 /* PCI ID register */
845 #define DC_CFID_VENDOR		0x0000FFFF
846 #define DC_CFID_DEVICE		0xFFFF0000
847 
848 /* PCI command/status register */
849 #define DC_CFCS_IOSPACE		0x00000001 /* I/O space enable */
850 #define DC_CFCS_MEMSPACE	0x00000002 /* memory space enable */
851 #define DC_CFCS_BUSMASTER	0x00000004 /* bus master enable */
852 #define DC_CFCS_MWI_ENB		0x00000010 /* mem write and inval enable */
853 #define DC_CFCS_PARITYERR_ENB	0x00000040 /* parity error enable */
854 #define DC_CFCS_SYSERR_ENB	0x00000100 /* system error enable */
855 #define DC_CFCS_NEWCAPS		0x00100000 /* new capabilities */
856 #define DC_CFCS_FAST_B2B	0x00800000 /* fast back-to-back capable */
857 #define DC_CFCS_DATAPARITY	0x01000000 /* Parity error report */
858 #define DC_CFCS_DEVSELTIM	0x06000000 /* devsel timing */
859 #define DC_CFCS_TGTABRT		0x10000000 /* received target abort */
860 #define DC_CFCS_MASTERABRT	0x20000000 /* received master abort */
861 #define DC_CFCS_SYSERR		0x40000000 /* asserted system error */
862 #define DC_CFCS_PARITYERR	0x80000000 /* asserted parity error */
863 
864 /* PCI revision register */
865 #define DC_CFRV_STEPPING	0x0000000F
866 #define DC_CFRV_REVISION	0x000000F0
867 #define DC_CFRV_SUBCLASS	0x00FF0000
868 #define DC_CFRV_BASECLASS	0xFF000000
869 
870 #define DC_21143_PB_REV		0x00000030
871 #define DC_21143_TB_REV		0x00000030
872 #define DC_21143_PC_REV		0x00000030
873 #define DC_21143_TC_REV		0x00000030
874 #define DC_21143_PD_REV		0x00000041
875 #define DC_21143_TD_REV		0x00000041
876 
877 /* PCI latency timer register */
878 #define DC_CFLT_CACHELINESIZE	0x000000FF
879 #define DC_CFLT_LATENCYTIMER	0x0000FF00
880 
881 /* PCI subsystem ID register */
882 #define DC_CSID_VENDOR		0x0000FFFF
883 #define DC_CSID_DEVICE		0xFFFF0000
884 
885 /* PCI capabilities pointer */
886 #define DC_CCAP_OFFSET		0x000000FF
887 
888 /* PCI interrupt config register */
889 #define DC_CFIT_INTLINE		0x000000FF
890 #define DC_CFIT_INTPIN		0x0000FF00
891 #define DC_CFIT_MIN_GNT		0x00FF0000
892 #define DC_CFIT_MAX_LAT		0xFF000000
893 
894 /* PCI capability register */
895 #define DC_CCID_CAPID		0x000000FF
896 #define DC_CCID_NEXTPTR		0x0000FF00
897 #define DC_CCID_PM_VERS		0x00070000
898 #define DC_CCID_PME_CLK		0x00080000
899 #define DC_CCID_DVSPEC_INT	0x00200000
900 #define DC_CCID_STATE_D1	0x02000000
901 #define DC_CCID_STATE_D2	0x04000000
902 #define DC_CCID_PME_D0		0x08000000
903 #define DC_CCID_PME_D1		0x10000000
904 #define DC_CCID_PME_D2		0x20000000
905 #define DC_CCID_PME_D3HOT	0x40000000
906 #define DC_CCID_PME_D3COLD	0x80000000
907 
908 /* PCI power management control/status register */
909 #define DC_CPMC_STATE		0x00000003
910 #define DC_CPMC_PME_ENB		0x00000100
911 #define DC_CPMC_PME_STS		0x00008000
912 
913 #define DC_PSTATE_D0		0x0
914 #define DC_PSTATE_D1		0x1
915 #define DC_PSTATE_D2		0x2
916 #define DC_PSTATE_D3		0x3
917 
918 /* Device specific region */
919 /* Configuration and driver area */
920 #define DC_CFDD_DRVUSE		0x0000FFFF
921 #define DC_CFDD_SNOOZE_MODE	0x40000000
922 #define DC_CFDD_SLEEP_MODE	0x80000000
923 
924 /* Configuration wake-up command register */
925 #define DC_CWUC_MUST_BE_ZERO	0x00000001
926 #define DC_CWUC_SECUREON_ENB	0x00000002
927 #define DC_CWUC_FORCE_WUL	0x00000004
928 #define DC_CWUC_BNC_ABILITY	0x00000008
929 #define DC_CWUC_AUI_ABILITY	0x00000010
930 #define DC_CWUC_TP10_ABILITY	0x00000020
931 #define DC_CWUC_MII_ABILITY	0x00000040
932 #define DC_CWUC_SYM_ABILITY	0x00000080
933 #define DC_CWUC_LOCK		0x00000100
934 
935 /*
936  * SROM nonsense.
937  */
938 
939 #define DC_IB_CTLRCNT		0x13
940 #define DC_IB_LEAF0_CNUM	0x1A
941 #define DC_IB_LEAF0_OFFSET	0x1B
942 
943 struct dc_info_leaf {
944 	u_int16_t		dc_conntype;
945 	u_int8_t		dc_blkcnt;
946 	u_int8_t		dc_rsvd;
947 	u_int16_t		dc_infoblk;
948 };
949 
950 #define DC_CTYPE_10BT			0x0000
951 #define DC_CTYPE_10BT_NWAY		0x0100
952 #define DC_CTYPE_10BT_FDX		0x0204
953 #define DC_CTYPE_10B2			0x0001
954 #define DC_CTYPE_10B5			0x0002
955 #define DC_CTYPE_100BT			0x0003
956 #define DC_CTYPE_100BT_FDX		0x0205
957 #define DC_CTYPE_100T4			0x0006
958 #define DC_CTYPE_100FX			0x0007
959 #define DC_CTYPE_100FX_FDX		0x0208
960 #define DC_CTYPE_MII_10BT		0x0009
961 #define DC_CTYPE_MII_10BT_FDX		0x020A
962 #define DC_CTYPE_MII_100BT		0x000D
963 #define DC_CTYPE_MII_100BT_FDX		0x020E
964 #define DC_CTYPE_MII_100T4		0x000F
965 #define DC_CTYPE_MII_100FX		0x0010
966 #define DC_CTYPE_MII_100FX_FDX		0x0211
967 #define DC_CTYPE_DYN_PUP_AUTOSENSE	0x0800
968 #define DC_CTYPE_PUP_AUTOSENSE		0x8800
969 #define DC_CTYPE_NOMEDIA		0xFFFF
970 
971 #define DC_EBLOCK_SIA			0x0002
972 #define DC_EBLOCK_MII			0x0003
973 #define DC_EBLOCK_SYM			0x0004
974 #define DC_EBLOCK_RESET			0x0005
975 #define DC_EBLOCK_PHY_SHUTDOWN		0x0006
976 
977 struct dc_leaf_hdr {
978 	u_int16_t		dc_mtype;
979 	u_int8_t		dc_mcnt;
980 	u_int8_t		dc_rsvd;
981 };
982 
983 struct dc_eblock_hdr {
984 	u_int8_t		dc_len;
985 	u_int8_t		dc_type;
986 };
987 
988 struct dc_eblock_sia {
989 	struct dc_eblock_hdr	dc_sia_hdr;
990 	u_int8_t		dc_sia_code;
991 	union {
992 		struct dc_sia_ext { /* if (dc_sia_code & DC_SIA_CODE_EXT) */
993 			u_int8_t dc_sia_mediaspec[6]; /* CSR13, CSR14, CSR15 */
994 			u_int8_t dc_sia_gpio_ctl[2];
995 			u_int8_t dc_sia_gpio_dat[2];
996 		} dc_sia_ext;
997 		struct dc_sia_noext {
998 			u_int8_t dc_sia_gpio_ctl[2];
999 			u_int8_t dc_sia_gpio_dat[2];
1000 		} dc_sia_noext;
1001 	} dc_un;
1002 };
1003 
1004 #define DC_SIA_CODE_10BT	0x00
1005 #define DC_SIA_CODE_10B2	0x01
1006 #define DC_SIA_CODE_10B5	0x02
1007 #define DC_SIA_CODE_10BT_FDX	0x04
1008 #define DC_SIA_CODE_EXT		0x40
1009 
1010 /*
1011  * Note that the first word in the gpr and reset
1012  * sequences is always a control word.
1013  */
1014 struct dc_eblock_mii {
1015 	struct dc_eblock_hdr    dc_mii_hdr;
1016 	u_int8_t		dc_mii_phynum;
1017 	u_int8_t		dc_gpr_len;
1018 /*	u_int16_t		dc_gpr_dat[n]; */
1019 /*	u_int8_t		dc_reset_len; */
1020 /*	u_int16_t		dc_reset_dat[n]; */
1021 /* There are other fields after these, but we don't
1022  * care about them since they can be determined by looking
1023  * at the PHY.
1024  */
1025 };
1026 
1027 struct dc_eblock_sym {
1028 	struct dc_eblock_hdr	dc_sym_hdr;
1029 	u_int8_t		dc_sym_code;
1030 	u_int8_t		dc_sym_gpio_ctl[2];
1031 	u_int8_t		dc_sym_gpio_dat[2];
1032 	u_int8_t		dc_sym_cmd[2];
1033 };
1034 
1035 #define DC_SYM_CODE_100BT	0x03
1036 #define DC_SYM_CODE_100BT_FDX	0x05
1037 #define DC_SYM_CODE_100T4	0x06
1038 #define DC_SYM_CODE_100FX	0x07
1039 #define DC_SYM_CODE_100FX_FDX	0x08
1040 
1041 struct dc_eblock_reset {
1042 	struct dc_eblock_hdr	dc_reset_hdr;
1043 	u_int8_t		dc_reset_len;
1044 /*	u_int16_t		dc_reset_dat[n]; */
1045 };
1046 
1047 extern void dc_attach(struct dc_softc *);
1048 extern int dc_detach(struct dc_softc *);
1049 extern int dc_activate(struct device *, int);
1050 extern int dc_intr(void *);
1051 
1052 void dc_init(void *);
1053 void dc_stop(struct dc_softc *, int);
1054 
1055 extern void dc_reset(struct dc_softc *);
1056 extern void dc_eeprom_width(struct dc_softc *);
1057 extern void dc_read_srom(struct dc_softc *, int);
1058 extern void dc_parse_21143_srom(struct dc_softc *);
1059 
1060 #if BYTE_ORDER == BIG_ENDIAN
1061 #define	DC_SP_FIELD_C(x)	((x) << 16)
1062 #else
1063 #define	DC_SP_FIELD_C(x)	(x)
1064 #endif
1065 #define	DC_SP_FIELD(x,f)	DC_SP_FIELD_C(((u_int16_t *)(x))[(f)])
1066