1 /*	$OpenBSD: dcreg.h,v 1.42 2005/05/22 03:47:16 martin 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_TXSTATE_RESET	0x00000000	/* 000 - reset */
199 #define DC_TXSTATE_FETCH	0x00100000	/* 001 - fetching descriptor */
200 #define DC_TXSTATE_WAITEND	0x00200000	/* 010 - wait for tx end */
201 #define DC_TXSTATE_READING	0x00300000	/* 011 - read and enqueue */
202 #define DC_TXSTATE_RSVD		0x00400000	/* 100 - reserved */
203 #define DC_TXSTATE_SETUP	0x00500000	/* 101 - setup packet */
204 #define DC_TXSTATE_SUSPEND	0x00600000	/* 110 - suspend tx */
205 #define DC_TXSTATE_CLOSE	0x00700000	/* 111 - close tx desc */
206 
207 /*
208  * Network config bits.
209  */
210 #define DC_NETCFG_RX_HASHPERF	0x00000001
211 #define DC_NETCFG_RX_ON		0x00000002
212 #define DC_NETCFG_RX_HASHONLY	0x00000004
213 #define DC_NETCFG_RX_BADFRAMES	0x00000008
214 #define DC_NETCFG_RX_INVFILT	0x00000010
215 #define DC_NETCFG_BACKOFFCNT	0x00000020
216 #define DC_NETCFG_RX_PROMISC	0x00000040
217 #define DC_NETCFG_RX_ALLMULTI	0x00000080
218 #define DC_NETCFG_FULLDUPLEX	0x00000200
219 #define DC_NETCFG_LOOPBACK	0x00000C00
220 #define DC_NETCFG_FORCECOLL	0x00001000
221 #define DC_NETCFG_TX_ON		0x00002000
222 #define DC_NETCFG_TX_THRESH	0x0000C000
223 #define DC_NETCFG_TX_BACKOFF	0x00020000
224 #define DC_NETCFG_PORTSEL	0x00040000	/* 0 == 10, 1 == 100 */
225 #define DC_NETCFG_HEARTBEAT	0x00080000
226 #define DC_NETCFG_STORENFWD	0x00200000
227 #define DC_NETCFG_SPEEDSEL	0x00400000	/* 1 == 10, 0 == 100 */
228 #define DC_NETCFG_PCS		0x00800000
229 #define DC_NETCFG_SCRAMBLER	0x01000000
230 #define DC_NETCFG_NO_RXCRC	0x02000000
231 #define DC_NETCFG_RX_ALL	0x40000000
232 #define DC_NETCFG_CAPEFFECT	0x80000000
233 
234 #define DC_OPMODE_NORM		0x00000000
235 #define DC_OPMODE_INTLOOP	0x00000400
236 #define DC_OPMODE_EXTLOOP	0x00000800
237 
238 #if 0
239 #define DC_TXTHRESH_72BYTES	0x00000000
240 #define DC_TXTHRESH_96BYTES	0x00004000
241 #define DC_TXTHRESH_128BYTES	0x00008000
242 #define DC_TXTHRESH_160BYTES	0x0000C000
243 #endif
244 
245 #define DC_TXTHRESH_MIN		0x00000000
246 #define DC_TXTHRESH_INC		0x00004000
247 #define DC_TXTHRESH_MAX		0x0000C000
248 
249 /*
250  * Interrupt mask bits.
251  */
252 #define DC_IMR_TX_OK		0x00000001
253 #define DC_IMR_TX_IDLE		0x00000002
254 #define DC_IMR_TX_NOBUF		0x00000004
255 #define DC_IMR_TX_JABBERTIMEO	0x00000008
256 #define DC_IMR_LINKGOOD		0x00000010
257 #define DC_IMR_TX_UNDERRUN	0x00000020
258 #define DC_IMR_RX_OK		0x00000040
259 #define DC_IMR_RX_NOBUF		0x00000080
260 #define DC_IMR_RX_READ		0x00000100
261 #define DC_IMR_RX_WATDOGTIMEO	0x00000200
262 #define DC_IMR_TX_EARLY		0x00000400
263 #define DC_IMR_TIMER_EXPIRED	0x00000800
264 #define DC_IMR_LINKFAIL		0x00001000
265 #define DC_IMR_BUS_ERR		0x00002000
266 #define DC_IMR_RX_EARLY		0x00004000
267 #define DC_IMR_ABNORMAL		0x00008000
268 #define DC_IMR_NORMAL		0x00010000
269 #define DC_IMR_100MBPSLINK	0x08000000
270 #define DC_IMR_MAGICKPACK	0x10000000
271 
272 #define DC_INTRS	\
273 	(DC_IMR_RX_OK|DC_IMR_TX_OK|DC_IMR_RX_NOBUF|DC_IMR_RX_WATDOGTIMEO|\
274 	DC_IMR_TX_IDLE|DC_IMR_TX_NOBUF|DC_IMR_TX_UNDERRUN|DC_IMR_BUS_ERR|\
275 	DC_IMR_ABNORMAL|DC_IMR_NORMAL/*|DC_IMR_TX_EARLY*/)
276 /*
277  * Serial I/O (EEPROM/ROM) bits.
278  */
279 #define DC_SIO_EE_CS		0x00000001	/* EEPROM chip select */
280 #define DC_SIO_EE_CLK		0x00000002	/* EEPROM clock */
281 #define DC_SIO_EE_DATAIN	0x00000004	/* EEPROM data output */
282 #define DC_SIO_EE_DATAOUT	0x00000008	/* EEPROM data input */
283 #define DC_SIO_ROMDATA4		0x00000010
284 #define DC_SIO_ROMDATA5		0x00000020
285 #define DC_SIO_ROMDATA6		0x00000040
286 #define DC_SIO_ROMDATA7		0x00000080
287 #define DC_SIO_EESEL		0x00000800
288 #define DC_SIO_ROMSEL		0x00001000
289 #define DC_SIO_ROMCTL_WRITE	0x00002000
290 #define DC_SIO_ROMCTL_READ	0x00004000
291 #define DC_SIO_MII_CLK		0x00010000	/* MDIO clock */
292 #define DC_SIO_MII_DATAOUT	0x00020000	/* MDIO data out */
293 #define DC_SIO_MII_DIR		0x00040000	/* MDIO dir */
294 #define DC_SIO_MII_DATAIN	0x00080000	/* MDIO data in */
295 
296 #define DC_EECMD_WRITE		0x140
297 #define DC_EECMD_READ		0x180
298 #define DC_EECMD_ERASE		0x1c0
299 
300 #define DC_EE_NODEADDR_OFFSET	0x70
301 #define DC_EE_NODEADDR		10
302 
303 /*
304  * General purpose timer register
305  * (upper 15 bits exist on rev 0x41 chips only)
306  */
307 #define DC_TIMER_CLKDIV		0x80000000	/* clock/16 */
308 #define DC_TIMER_TXTIMER	0x78000000	/* TX intr delay timer */
309 #define DC_TIMER_TXCOUNT	0x07000000	/* TX intr delay counter */
310 #define DC_TIMER_RXTIMER	0x00F00000	/* RX intr delay timer */
311 #define DC_TIMER_RXCOUNT	0x000E0000	/* RX intr delay counter */
312 #define DC_TIMER_CONTINUOUS	0x00010000
313 #define DC_TIMER_VALUE		0x0000FFFF	/* 81.92us */
314 
315 /*
316  * 10baseT status register
317  */
318 #define DC_TSTAT_MIIACT		0x00000001 /* MII port activity */
319 #define DC_TSTAT_LS100		0x00000002 /* link status of 100baseTX */
320 #define DC_TSTAT_LS10		0x00000004 /* link status of 10baseT */
321 #define DC_TSTAT_AUTOPOLARITY	0x00000008
322 #define DC_TSTAT_AUIACT		0x00000100 /* AUI activity */
323 #define DC_TSTAT_10BTACT	0x00000200 /* 10baseT activity */
324 #define DC_TSTAT_NSN		0x00000400 /* non-stable FLPs detected */
325 #define DC_TSTAT_REMFAULT	0x00000800
326 #define DC_TSTAT_ANEGSTAT	0x00007000
327 #define DC_TSTAT_LP_CAN_NWAY	0x00008000 /* link partner supports NWAY */
328 #define DC_TSTAT_LPCODEWORD	0xFFFF0000 /* link partner's code word */
329 
330 #define DC_ASTAT_DISABLE	0x00000000
331 #define DC_ASTAT_TXDISABLE	0x00001000
332 #define DC_ASTAT_ABDETECT	0x00002000
333 #define DC_ASTAT_ACKDETECT	0x00003000
334 #define DC_ASTAT_CMPACKDETECT	0x00004000
335 #define DC_ASTAT_AUTONEGCMP	0x00005000
336 #define DC_ASTAT_LINKCHECK	0x00006000
337 
338 /*
339  * PHY reset register
340  */
341 #define DC_SIA_RESET		0x00000001
342 #define DC_SIA_AUI		0x00000008 /* AUI or 10baseT */
343 
344 /*
345  * 10baseT control register
346  */
347 #define DC_TCTL_ENCODER_ENB	0x00000001
348 #define DC_TCTL_LOOPBACK	0x00000002
349 #define DC_TCTL_DRIVER_ENB	0x00000004
350 #define DC_TCTL_LNKPULSE_ENB	0x00000008
351 #define DC_TCTL_HALFDUPLEX	0x00000040
352 #define DC_TCTL_AUTONEGENBL	0x00000080
353 #define DC_TCTL_RX_SQUELCH	0x00000100
354 #define DC_TCTL_COLL_SQUELCH	0x00000200
355 #define DC_TCTL_COLL_DETECT	0x00000400
356 #define DC_TCTL_SQE_ENB		0x00000800
357 #define DC_TCTL_LINKTEST	0x00001000
358 #define DC_TCTL_AUTOPOLARITY	0x00002000
359 #define DC_TCTL_SET_POL_PLUS	0x00004000
360 #define DC_TCTL_AUTOSENSE	0x00008000	/* 10bt/AUI autosense */
361 #define DC_TCTL_100BTXHALF	0x00010000
362 #define DC_TCTL_100BTXFULL	0x00020000
363 #define DC_TCTL_100BT4		0x00040000
364 
365 /*
366  * Watchdog timer register
367  */
368 #define DC_WDOG_JABBERDIS	0x00000001
369 #define DC_WDOG_HOSTUNJAB	0x00000002
370 #define DC_WDOG_JABBERCLK	0x00000004
371 #define DC_WDOG_RXWDOGDIS	0x00000010
372 #define DC_WDOG_RXWDOGCLK	0x00000020
373 #define DC_WDOG_MUSTBEZERO	0x00000100
374 #define DC_WDOG_AUIBNC		0x00100000
375 #define DC_WDOG_ACTIVITY	0x00200000
376 #define DC_WDOG_LINK		0x00800000
377 #define DC_WDOG_CTLWREN		0x08000000
378 
379 /*
380  * SIA and General Purpose Port register (X3201)
381  */
382 #define DC_SIAGP_RXMATCH	0x40000000
383 #define DC_SIAGP_INT1		0x20000000
384 #define DC_SIAGP_INT0		0x10000000
385 #define DC_SIAGP_WRITE_EN	0x08000000
386 #define DC_SIAGP_RXMATCH_EN	0x04000000
387 #define DC_SIAGP_INT1_EN	0x02000000
388 #define DC_SIAGP_INT0_EN	0x01000000
389 #define DC_SIAGP_LED3		0x00800000
390 #define DC_SIAGP_LED2		0x00400000
391 #define DC_SIAGP_LED1		0x00200000
392 #define DC_SIAGP_LED0		0x00100000
393 #define DC_SIAGP_MD_GP3_OUTPUT	0x00080000
394 #define DC_SIAGP_MD_GP2_OUTPUT	0x00040000
395 #define DC_SIAGP_MD_GP1_OUTPUT	0x00020000
396 #define DC_SIAGP_MD_GP0_OUTPUT	0x00010000
397 
398 /*
399  * Size of a setup frame.
400  */
401 #define DC_SFRAME_LEN		192
402 
403 /*
404  * 21x4x TX/RX list structure.
405  */
406 
407 struct dc_desc {
408 	u_int32_t		dc_status;
409 	u_int32_t		dc_ctl;
410 	u_int32_t		dc_ptr1;
411 	u_int32_t		dc_ptr2;
412 	u_int32_t		dc_pad[4];
413 };
414 
415 #define dc_data		dc_ptr1
416 #define dc_next		dc_ptr2
417 
418 #define DC_RXSTAT_FIFOOFLOW	0x00000001
419 #define DC_RXSTAT_CRCERR	0x00000002
420 #define DC_RXSTAT_DRIBBLE	0x00000004
421 #define DC_RXSTAT_MIIERE	0x00000008
422 #define DC_RXSTAT_WATCHDOG	0x00000010
423 #define DC_RXSTAT_FRAMETYPE	0x00000020	/* 0 == IEEE 802.3 */
424 #define DC_RXSTAT_COLLSEEN	0x00000040
425 #define DC_RXSTAT_GIANT		0x00000080
426 #define DC_RXSTAT_LASTFRAG	0x00000100
427 #define DC_RXSTAT_FIRSTFRAG	0x00000200
428 #define DC_RXSTAT_MULTICAST	0x00000400
429 #define DC_RXSTAT_RUNT		0x00000800
430 #define DC_RXSTAT_RXTYPE	0x00003000
431 #define DC_RXSTAT_DE		0x00004000
432 #define DC_RXSTAT_RXERR		0x00008000
433 #define DC_RXSTAT_RXLEN		0x3FFF0000
434 #define DC_RXSTAT_OWN		0x80000000
435 
436 #define DC_RXBYTES(x)		((x & DC_RXSTAT_RXLEN) >> 16)
437 #define DC_RXSTAT (DC_RXSTAT_FIRSTFRAG|DC_RXSTAT_LASTFRAG|DC_RXSTAT_OWN)
438 
439 #define DC_RXCTL_BUFLEN1	0x00000FFF
440 #define DC_RXCTL_BUFLEN2	0x00FFF000
441 #define DC_RXCTL_RLINK		0x01000000
442 #define DC_RXCTL_RLAST		0x02000000
443 
444 #define DC_TXSTAT_DEFER		0x00000001
445 #define DC_TXSTAT_UNDERRUN	0x00000002
446 #define DC_TXSTAT_LINKFAIL	0x00000003
447 #define DC_TXSTAT_COLLCNT	0x00000078
448 #define DC_TXSTAT_SQE		0x00000080
449 #define DC_TXSTAT_EXCESSCOLL	0x00000100
450 #define DC_TXSTAT_LATECOLL	0x00000200
451 #define DC_TXSTAT_NOCARRIER	0x00000400
452 #define DC_TXSTAT_CARRLOST	0x00000800
453 #define DC_TXSTAT_JABTIMEO	0x00004000
454 #define DC_TXSTAT_ERRSUM	0x00008000
455 #define DC_TXSTAT_OWN		0x80000000
456 
457 #define DC_TXCTL_BUFLEN1	0x000007FF
458 #define DC_TXCTL_BUFLEN2	0x003FF800
459 #define DC_TXCTL_FILTTYPE0	0x00400000
460 #define DC_TXCTL_PAD		0x00800000
461 #define DC_TXCTL_TLINK		0x01000000
462 #define DC_TXCTL_TLAST		0x02000000
463 #define DC_TXCTL_NOCRC		0x04000000
464 #define DC_TXCTL_SETUP		0x08000000
465 #define DC_TXCTL_FILTTYPE1	0x10000000
466 #define DC_TXCTL_FIRSTFRAG	0x20000000
467 #define DC_TXCTL_LASTFRAG	0x40000000
468 #define DC_TXCTL_FINT		0x80000000
469 
470 #define DC_FILTER_PERFECT	0x00000000
471 #define DC_FILTER_HASHPERF	0x00400000
472 #define DC_FILTER_INVERSE	0x10000000
473 #define DC_FILTER_HASHONLY	0x10400000
474 
475 #define DC_MAXFRAGS		16
476 #define DC_RX_LIST_CNT		64
477 #define DC_TX_LIST_CNT		256
478 
479 #define DC_INC(x, y)	(x) = (x + 1) % y
480 
481 struct dc_list_data {
482 	struct dc_desc		dc_rx_list[DC_RX_LIST_CNT];
483 	struct dc_desc		dc_tx_list[DC_TX_LIST_CNT];
484 	u_int32_t		dc_sbuf[DC_SFRAME_LEN/sizeof(u_int32_t)];
485 	u_int8_t		dc_pad[ETHER_MIN_LEN];
486 };
487 
488 /* software descriptor */
489 struct dc_swdesc {
490 	bus_dmamap_t		sd_map;
491 	struct mbuf		*sd_mbuf;
492 };
493 
494 struct dc_chain_data {
495 	struct dc_swdesc	dc_rx_chain[DC_RX_LIST_CNT];
496 	struct dc_swdesc	dc_tx_chain[DC_TX_LIST_CNT];
497 	int			dc_tx_prod;
498 	int			dc_tx_cons;
499 	int			dc_tx_cnt;
500 	int			dc_rx_prod;
501 };
502 
503 struct dc_mediainfo {
504 	int			dc_media;
505 	u_int8_t		*dc_gp_ptr;
506 	u_int8_t		dc_gp_len;
507 	u_int8_t		*dc_reset_ptr;
508 	u_int8_t		dc_reset_len;
509 	struct dc_mediainfo	*dc_next;
510 };
511 
512 struct dc_type {
513 	u_int16_t		dc_vid;
514 	u_int16_t		dc_did;
515 };
516 
517 struct dc_mii_frame {
518 	u_int8_t		mii_stdelim;
519 	u_int8_t		mii_opcode;
520 	u_int8_t		mii_phyaddr;
521 	u_int8_t		mii_regaddr;
522 	u_int8_t		mii_turnaround;
523 	u_int16_t		mii_data;
524 };
525 
526 /*
527  * MII constants
528  */
529 #define DC_MII_STARTDELIM	0x01
530 #define DC_MII_READOP		0x02
531 #define DC_MII_WRITEOP		0x01
532 #define DC_MII_TURNAROUND	0x02
533 
534 
535 /*
536  * Registers specific to clone devices.
537  * This mainly relates to RX filter programming: not all 21x4x clones
538  * use the standard DEC filter programming mechanism.
539  */
540 
541 /*
542  * ADMtek specific registers and constants for the AL981 and AN983.
543  * The AN983 doesn't use the magic PHY registers.
544  */
545 #define DC_AL_CR		0x88	/* Command register */
546 #define DC_AL_PAR0		0xA4	/* station address */
547 #define DC_AL_PAR1		0xA8	/* station address */
548 #define DC_AL_MAR0		0xAC	/* multicast hash filter */
549 #define DC_AL_MAR1		0xB0	/* multicast hash filter */
550 #define DC_AL_BMCR		0xB4	/* built in PHY control */
551 #define DC_AL_BMSR		0xB8	/* built in PHY status */
552 #define DC_AL_VENID		0xBC	/* built in PHY ID0 */
553 #define DC_AL_DEVID		0xC0	/* built in PHY ID1 */
554 #define DC_AL_ANAR		0xC4	/* built in PHY autoneg advert */
555 #define DC_AL_LPAR		0xC8	/* bnilt in PHY link part. ability */
556 #define DC_AL_ANER		0xCC	/* built in PHY autoneg expansion */
557 
558 #define DC_ADMTEK_PHYADDR	0x1
559 #define DC_AL_EE_NODEADDR	8
560 #define DC_AL_CR_ATUR		0x00000001	/* Enable automatic TX underrun recovery */
561 /* End of ADMtek specific registers */
562 
563 /*
564  * ASIX specific registers.
565  */
566 #define DC_AX_FILTIDX		0x68	/* RX filter index */
567 #define DC_AX_FILTDATA		0x70	/* RX filter data */
568 
569 /*
570  * Special ASIX-specific bits in the ASIX NETCFG register (CSR6).
571  */
572 #define DC_AX_NETCFG_RX_BROAD	0x00000100
573 
574 /*
575  * RX Filter Index Register values
576  */
577 #define DC_AX_FILTIDX_PAR0	0x00000000
578 #define DC_AX_FILTIDX_PAR1	0x00000001
579 #define DC_AX_FILTIDX_MAR0	0x00000002
580 #define DC_AX_FILTIDX_MAR1	0x00000003
581 /* End of ASIX specific registers */
582 
583 /*
584  * Macronix specific registers. The Macronix chips have a special
585  * register for reading the NWAY status, which we don't use, plus
586  * a magic packet register, which we need to tweak a bit per the
587  * Macronix application notes.
588  */
589 #define DC_MX_MAGICPACKET	0x80
590 #define DC_MX_NWAYSTAT		0xA0
591 
592 /*
593  * Magic packet register
594  */
595 #define DC_MX_MPACK_DISABLE	0x00400000
596 
597 /*
598  * NWAY status register.
599  */
600 #define DC_MX_NWAY_10BTHALF	0x08000000
601 #define DC_MX_NWAY_10BTFULL	0x10000000
602 #define DC_MX_NWAY_100BTHALF	0x20000000
603 #define DC_MX_NWAY_100BTFULL	0x40000000
604 #define DC_MX_NWAY_100BT4	0x80000000
605 
606 /*
607  * These are magic values that must be written into CSR16
608  * (DC_MX_MAGICPACKET) in order to put the chip into proper
609  * operating mode. The magic numbers are documented in the
610  * Macronix 98715 application notes.
611  */
612 #define DC_MX_MAGIC_98713	0x0F370000
613 #define DC_MX_MAGIC_98713A	0x0B3C0000
614 #define DC_MX_MAGIC_98715	0x0B3C0000
615 #define DC_MX_MAGIC_98725	0x0B3C0000
616 /* End of Macronix specific registers */
617 
618 /*
619  * PNIC 82c168/82c169 specific registers.
620  * The PNIC has its own special NWAY support, which doesn't work,
621  * and shortcut ways of reading the EEPROM and MII bus.
622  */
623 #define DC_PN_GPIO		0x60	/* general purpose pins control */
624 #define DC_PN_PWRUP_CFG		0x90	/* config register, set by EEPROM */
625 #define DC_PN_SIOCTL		0x98	/* serial EEPROM control register */
626 #define DC_PN_MII		0xA0	/* MII access register */
627 #define DC_PN_NWAY		0xB8	/* Internal NWAY register */
628 
629 /* Serial I/O EEPROM register */
630 #define DC_PN_SIOCTL_DATA	0x0000003F
631 #define DC_PN_SIOCTL_OPCODE	0x00000300
632 #define DC_PN_SIOCTL_BUSY	0x80000000
633 
634 #define DC_PN_EEOPCODE_ERASE	0x00000300
635 #define DC_PN_EEOPCODE_READ	0x00000600
636 #define DC_PN_EEOPCODE_WRITE	0x00000100
637 
638 /*
639  * The first two general purpose pins control speed selection and
640  * 100Mbps loopback on the 82c168 chip. The control bits should always
641  * be set (to make the data pins outputs) and the speed selction and
642  * loopback bits set accordingly when changing media. Physically, this
643  * will set the state of a relay mounted on the card.
644  */
645 #define DC_PN_GPIO_DATA0	0x000000001
646 #define DC_PN_GPIO_DATA1	0x000000002
647 #define DC_PN_GPIO_DATA2	0x000000004
648 #define DC_PN_GPIO_DATA3	0x000000008
649 #define DC_PN_GPIO_CTL0		0x000000010
650 #define DC_PN_GPIO_CTL1		0x000000020
651 #define DC_PN_GPIO_CTL2		0x000000040
652 #define DC_PN_GPIO_CTL3		0x000000080
653 #define DC_PN_GPIO_SPEEDSEL	DC_PN_GPIO_DATA0/* 1 == 100Mbps, 0 == 10Mbps */
654 #define DC_PN_GPIO_100TX_LOOP	DC_PN_GPIO_DATA1/* 1 == normal, 0 == loop */
655 #define DC_PN_GPIO_BNC_ENB	DC_PN_GPIO_DATA2
656 #define DC_PN_GPIO_100TX_LNK	DC_PN_GPIO_DATA3
657 #define DC_PN_GPIO_SETBIT(sc, r)			\
658 	DC_SETBIT(sc, DC_PN_GPIO, ((r) | (r << 4)))
659 #define DC_PN_GPIO_CLRBIT(sc, r)			\
660 	{						\
661 		DC_SETBIT(sc, DC_PN_GPIO, ((r) << 4));	\
662 		DC_CLRBIT(sc, DC_PN_GPIO, (r));		\
663 	}
664 
665 /* shortcut MII access register */
666 #define DC_PN_MII_DATA		0x0000FFFF
667 #define DC_PN_MII_RESERVER	0x00020000
668 #define DC_PN_MII_REGADDR	0x007C0000
669 #define DC_PN_MII_PHYADDR	0x0F800000
670 #define DC_PN_MII_OPCODE	0x30000000
671 #define DC_PN_MII_BUSY		0x80000000
672 
673 #define DC_PN_MIIOPCODE_READ	0x60020000
674 #define DC_PN_MIIOPCODE_WRITE	0x50020000
675 
676 /* Internal NWAY bits */
677 #define DC_PN_NWAY_RESET	0x00000001	/* reset */
678 #define DC_PN_NWAY_PDOWN	0x00000002	/* power down */
679 #define DC_PN_NWAY_BYPASS	0x00000004	/* bypass */
680 #define DC_PN_NWAY_AUILOWCUR	0x00000008	/* AUI low current */
681 #define DC_PN_NWAY_TPEXTEND	0x00000010	/* low squelch voltage */
682 #define DC_PN_NWAY_POLARITY	0x00000020	/* 0 == on, 1 == off */
683 #define DC_PN_NWAY_TP		0x00000040	/* 1 == tp, 0 == AUI */
684 #define DC_PN_NWAY_AUIVOLT	0x00000080	/* 1 == full, 0 == half */
685 #define DC_PN_NWAY_DUPLEX	0x00000100	/* LED, 1 == full, 0 == half */
686 #define DC_PN_NWAY_LINKTEST	0x00000200	/* 0 == on, 1 == off */
687 #define DC_PN_NWAY_AUTODETECT	0x00000400	/* 1 == off, 0 == on */
688 #define DC_PN_NWAY_SPEEDSEL	0x00000800	/* LED, 0 = 10, 1 == 100 */
689 #define DC_PN_NWAY_NWAY_ENB	0x00001000	/* 0 == off, 1 == on */
690 #define DC_PN_NWAY_CAP10HDX	0x00002000
691 #define DC_PN_NWAY_CAP10FDX	0x00004000
692 #define DC_PN_NWAY_CAP100FDX	0x00008000
693 #define DC_PN_NWAY_CAP100HDX	0x00010000
694 #define DC_PN_NWAY_CAP100T4	0x00020000
695 #define DC_PN_NWAY_ANEGRESTART	0x02000000	/* resets when aneg done */
696 #define DC_PN_NWAY_REMFAULT	0x04000000
697 #define DC_PN_NWAY_LPAR10HDX	0x08000000
698 #define DC_PN_NWAY_LPAR10FDX	0x10000000
699 #define DC_PN_NWAY_LPAR100FDX	0x20000000
700 #define DC_PN_NWAY_LPAR100HDX	0x40000000
701 #define DC_PN_NWAY_LPAR100T4	0x80000000
702 
703 /* End of PNIC specific registers */
704 
705 /*
706  * CONEXANT specific registers.
707  */
708 
709 #define DC_CONEXANT_PHYADDR	0x1
710 #define DC_CONEXANT_EE_NODEADDR	0x19A
711 
712 /* End of CONEXANT specific register */
713 
714 struct dc_softc {
715 	struct device		sc_dev;
716 	void			*sc_ih;
717 	struct arpcom		sc_arpcom;	/* interface info */
718 	mii_data_t		sc_mii;
719 	bus_space_handle_t	dc_bhandle;	/* bus space handle */
720 	bus_space_tag_t		dc_btag;	/* bus space tag */
721 	void			*dc_intrhand;
722 	void			*sc_dhook;
723 	void			*sc_pwrhook;
724 	struct resource		*dc_irq;
725 	struct resource		*dc_res;
726 	u_int8_t		dc_type;
727 	u_int8_t		dc_pmode;
728 	u_int8_t		dc_link;
729 	u_int8_t		dc_cachesize;
730 	int			dc_romwidth;
731 	int			dc_pnic_rx_bug_save;
732 	unsigned char		*dc_pnic_rx_buf;
733 	int			dc_if_flags;
734 	int			dc_if_media;
735 	u_int32_t		dc_flags;
736 	u_int32_t		dc_txthresh;
737 	u_int8_t		*dc_srom;
738 	struct dc_mediainfo	*dc_mi;
739 	struct dc_list_data	*dc_ldata;
740 	struct dc_chain_data	dc_cdata;
741 	u_int32_t		dc_csid;
742 	u_int			dc_revision;
743 	struct timeout		dc_tick_tmo;
744 #ifdef SRM_MEDIA
745 	int			dc_srm_media;
746 #endif
747 	bus_dma_tag_t		sc_dmat;
748 	bus_dmamap_t		sc_listmap;
749 	bus_dma_segment_t	sc_listseg[1];
750 	int			sc_listnseg;
751 	caddr_t			sc_listkva;
752 	bus_dmamap_t		sc_rx_sparemap;
753 	bus_dmamap_t		sc_tx_sparemap;
754 	int			sc_hasmac;
755 };
756 
757 #define DC_TX_POLL		0x00000001
758 #define DC_TX_COALESCE		0x00000002
759 #define DC_TX_ADMTEK_WAR	0x00000004
760 #define DC_TX_USE_TX_INTR	0x00000008
761 #define DC_RX_FILTER_TULIP	0x00000010
762 #define DC_TX_INTR_FIRSTFRAG	0x00000020
763 #define DC_PNIC_RX_BUG_WAR	0x00000040
764 #define DC_TX_FIXED_RING	0x00000080
765 #define DC_TX_STORENFWD		0x00000100
766 #define DC_REDUCED_MII_POLL	0x00000200
767 #define DC_TX_INTR_ALWAYS	0x00000400
768 #define DC_21143_NWAY		0x00000800
769 #define DC_128BIT_HASH		0x00001000
770 #define DC_64BIT_HASH		0x00002000
771 #define DC_TULIP_LEDS		0x00004000
772 #define DC_TX_ONE		0x00008000
773 #define DC_TX_ALIGN		0x00010000	/* align mbuf on tx */
774 #define DC_MOMENCO_BOTCH	0x00020000
775 
776 /*
777  * register space access macros
778  */
779 #define CSR_WRITE_4(sc, reg, val)	\
780 	bus_space_write_4(sc->dc_btag, sc->dc_bhandle, reg, val)
781 
782 #define CSR_READ_4(sc, reg)		\
783 	bus_space_read_4(sc->dc_btag, sc->dc_bhandle, reg)
784 
785 #define DC_TIMEOUT		1000
786 
787 /*
788  * General constants that are fun to know.
789  */
790 
791 /* Macronix PCI revision codes. */
792 #define DC_REVISION_98713	0x00
793 #define DC_REVISION_98713A	0x10
794 #define DC_REVISION_98715	0x20
795 #define DC_REVISION_98715AEC_C	0x25
796 #define DC_REVISION_98725	0x30
797 
798 /*
799  * 82c168/82c169 PNIC device IDs. Both chips have the same device
800  * ID but different revisions. Revision 0x10 is the 82c168, and
801  * 0x20 is the 82c169.
802  */
803 #define DC_REVISION_82C168	0x10
804 #define DC_REVISION_82C169	0x20
805 
806 /*
807  * The ASIX AX88140 and ASIX AX88141 have the same vendor and
808  * device IDs but different revision values.
809  */
810 #define DC_REVISION_88140	0x00
811 #define DC_REVISION_88141	0x10
812 
813 /*
814  * The DMA9102A has the same PCI device ID as the DM9102,
815  * but a higher revision code.
816  */
817 #define DC_REVISION_DM9102	0x10
818 #define DC_REVISION_DM9102A	0x30
819 
820 /*
821  * PCI low memory base and low I/O base register, and
822  * other PCI registers.
823  */
824 
825 #define DC_PCI_CFID		0x00	/* Id */
826 #define DC_PCI_CFCS		0x04	/* Command and status */
827 #define DC_PCI_CFRV		0x08	/* Revision */
828 #define DC_PCI_CFLT		0x0C	/* Latency timer */
829 #define DC_PCI_CFBIO		0x10	/* Base I/O address */
830 #define DC_PCI_CFBMA		0x14	/* Base memory address */
831 #define DC_PCI_CCIS		0x28	/* Card info struct */
832 #define DC_PCI_CSID		0x2C	/* Subsystem ID */
833 #define DC_PCI_CBER		0x30	/* Expansion ROM base address */
834 #define DC_PCI_CCAP		0x34	/* Caps pointer - PD/TD chip only */
835 #define DC_PCI_CFIT		0x3C	/* Interrupt */
836 #define DC_PCI_CFDD		0x40	/* Device and driver area */
837 #define DC_PCI_CWUA0		0x44	/* Wake-Up LAN addr 0 */
838 #define DC_PCI_CWUA1		0x48	/* Wake-Up LAN addr 1 */
839 #define DC_PCI_SOP0		0x4C	/* SecureON passwd 0 */
840 #define DC_PCI_SOP1		0x50	/* SecureON passwd 1 */
841 #define DC_PCI_CWUC		0x54	/* Configuration Wake-Up cmd */
842 #define DC_PCI_CCID		0xDC	/* Capability ID - PD/TD only */
843 #define DC_PCI_CPMC		0xE0	/* Pwrmgmt ctl & sts - PD/TD only */
844 
845 /* PCI ID register */
846 #define DC_CFID_VENDOR		0x0000FFFF
847 #define DC_CFID_DEVICE		0xFFFF0000
848 
849 /* PCI command/status register */
850 #define DC_CFCS_IOSPACE		0x00000001 /* I/O space enable */
851 #define DC_CFCS_MEMSPACE	0x00000002 /* memory space enable */
852 #define DC_CFCS_BUSMASTER	0x00000004 /* bus master enable */
853 #define DC_CFCS_MWI_ENB		0x00000010 /* mem write and inval enable */
854 #define DC_CFCS_PARITYERR_ENB	0x00000040 /* parity error enable */
855 #define DC_CFCS_SYSERR_ENB	0x00000100 /* system error enable */
856 #define DC_CFCS_NEWCAPS		0x00100000 /* new capabilities */
857 #define DC_CFCS_FAST_B2B	0x00800000 /* fast back-to-back capable */
858 #define DC_CFCS_DATAPARITY	0x01000000 /* Parity error report */
859 #define DC_CFCS_DEVSELTIM	0x06000000 /* devsel timing */
860 #define DC_CFCS_TGTABRT		0x10000000 /* received target abort */
861 #define DC_CFCS_MASTERABRT	0x20000000 /* received master abort */
862 #define DC_CFCS_SYSERR		0x40000000 /* asserted system error */
863 #define DC_CFCS_PARITYERR	0x80000000 /* asserted parity error */
864 
865 /* PCI revision register */
866 #define DC_CFRV_STEPPING	0x0000000F
867 #define DC_CFRV_REVISION	0x000000F0
868 #define DC_CFRV_SUBCLASS	0x00FF0000
869 #define DC_CFRV_BASECLASS	0xFF000000
870 
871 #define DC_21143_PB_REV		0x00000030
872 #define DC_21143_TB_REV		0x00000030
873 #define DC_21143_PC_REV		0x00000030
874 #define DC_21143_TC_REV		0x00000030
875 #define DC_21143_PD_REV		0x00000041
876 #define DC_21143_TD_REV		0x00000041
877 
878 /* PCI latency timer register */
879 #define DC_CFLT_CACHELINESIZE	0x000000FF
880 #define DC_CFLT_LATENCYTIMER	0x0000FF00
881 
882 /* PCI subsystem ID register */
883 #define DC_CSID_VENDOR		0x0000FFFF
884 #define DC_CSID_DEVICE		0xFFFF0000
885 
886 /* PCI capabilities pointer */
887 #define DC_CCAP_OFFSET		0x000000FF
888 
889 /* PCI interrupt config register */
890 #define DC_CFIT_INTLINE		0x000000FF
891 #define DC_CFIT_INTPIN		0x0000FF00
892 #define DC_CFIT_MIN_GNT		0x00FF0000
893 #define DC_CFIT_MAX_LAT		0xFF000000
894 
895 /* PCI capability register */
896 #define DC_CCID_CAPID		0x000000FF
897 #define DC_CCID_NEXTPTR		0x0000FF00
898 #define DC_CCID_PM_VERS		0x00070000
899 #define DC_CCID_PME_CLK		0x00080000
900 #define DC_CCID_DVSPEC_INT	0x00200000
901 #define DC_CCID_STATE_D1	0x02000000
902 #define DC_CCID_STATE_D2	0x04000000
903 #define DC_CCID_PME_D0		0x08000000
904 #define DC_CCID_PME_D1		0x10000000
905 #define DC_CCID_PME_D2		0x20000000
906 #define DC_CCID_PME_D3HOT	0x40000000
907 #define DC_CCID_PME_D3COLD	0x80000000
908 
909 /* PCI power management control/status register */
910 #define DC_CPMC_STATE		0x00000003
911 #define DC_CPMC_PME_ENB		0x00000100
912 #define DC_CPMC_PME_STS		0x00008000
913 
914 #define DC_PSTATE_D0		0x0
915 #define DC_PSTATE_D1		0x1
916 #define DC_PSTATE_D2		0x2
917 #define DC_PSTATE_D3		0x3
918 
919 /* Device specific region */
920 /* Configuration and driver area */
921 #define DC_CFDD_DRVUSE		0x0000FFFF
922 #define DC_CFDD_SNOOZE_MODE	0x40000000
923 #define DC_CFDD_SLEEP_MODE	0x80000000
924 
925 /* Configuration wake-up command register */
926 #define DC_CWUC_MUST_BE_ZERO	0x00000001
927 #define DC_CWUC_SECUREON_ENB	0x00000002
928 #define DC_CWUC_FORCE_WUL	0x00000004
929 #define DC_CWUC_BNC_ABILITY	0x00000008
930 #define DC_CWUC_AUI_ABILITY	0x00000010
931 #define DC_CWUC_TP10_ABILITY	0x00000020
932 #define DC_CWUC_MII_ABILITY	0x00000040
933 #define DC_CWUC_SYM_ABILITY	0x00000080
934 #define DC_CWUC_LOCK		0x00000100
935 
936 /*
937  * SROM nonsense.
938  */
939 
940 #define DC_IB_CTLRCNT		0x13
941 #define DC_IB_LEAF0_CNUM	0x1A
942 #define DC_IB_LEAF0_OFFSET	0x1B
943 
944 struct dc_info_leaf {
945 	u_int16_t		dc_conntype;
946 	u_int8_t		dc_blkcnt;
947 	u_int8_t		dc_rsvd;
948 	u_int16_t		dc_infoblk;
949 };
950 
951 #define DC_CTYPE_10BT			0x0000
952 #define DC_CTYPE_10BT_NWAY		0x0100
953 #define DC_CTYPE_10BT_FDX		0x0204
954 #define DC_CTYPE_10B2			0x0001
955 #define DC_CTYPE_10B5			0x0002
956 #define DC_CTYPE_100BT			0x0003
957 #define DC_CTYPE_100BT_FDX		0x0205
958 #define DC_CTYPE_100T4			0x0006
959 #define DC_CTYPE_100FX			0x0007
960 #define DC_CTYPE_100FX_FDX		0x0208
961 #define DC_CTYPE_MII_10BT		0x0009
962 #define DC_CTYPE_MII_10BT_FDX		0x020A
963 #define DC_CTYPE_MII_100BT		0x000D
964 #define DC_CTYPE_MII_100BT_FDX		0x020E
965 #define DC_CTYPE_MII_100T4		0x000F
966 #define DC_CTYPE_MII_100FX		0x0010
967 #define DC_CTYPE_MII_100FX_FDX		0x0211
968 #define DC_CTYPE_DYN_PUP_AUTOSENSE	0x0800
969 #define DC_CTYPE_PUP_AUTOSENSE		0x8800
970 #define DC_CTYPE_NOMEDIA		0xFFFF
971 
972 #define DC_EBLOCK_SIA			0x0002
973 #define DC_EBLOCK_MII			0x0003
974 #define DC_EBLOCK_SYM			0x0004
975 #define DC_EBLOCK_RESET			0x0005
976 #define DC_EBLOCK_PHY_SHUTDOWN		0x0006
977 
978 struct dc_leaf_hdr {
979 	u_int16_t		dc_mtype;
980 	u_int8_t		dc_mcnt;
981 	u_int8_t		dc_rsvd;
982 };
983 
984 struct dc_eblock_hdr {
985 	u_int8_t		dc_len;
986 	u_int8_t		dc_type;
987 };
988 
989 struct dc_eblock_sia {
990 	struct dc_eblock_hdr	dc_sia_hdr;
991 	u_int8_t		dc_sia_code;
992 	union {
993 		struct dc_sia_ext { /* if (dc_sia_code & DC_SIA_CODE_EXT) */
994 			u_int8_t dc_sia_mediaspec[6]; /* CSR13, CSR14, CSR15 */
995 			u_int8_t dc_sia_gpio_ctl[2];
996 			u_int8_t dc_sia_gpio_dat[2];
997 		} dc_sia_ext;
998 		struct dc_sia_noext {
999 			u_int8_t dc_sia_gpio_ctl[2];
1000 			u_int8_t dc_sia_gpio_dat[2];
1001 		} dc_sia_noext;
1002 	} dc_un;
1003 };
1004 
1005 #define DC_SIA_CODE_10BT	0x00
1006 #define DC_SIA_CODE_10B2	0x01
1007 #define DC_SIA_CODE_10B5	0x02
1008 #define DC_SIA_CODE_10BT_FDX	0x04
1009 #define DC_SIA_CODE_EXT		0x40
1010 
1011 /*
1012  * Note that the first word in the gpr and reset
1013  * sequences is always a control word.
1014  */
1015 struct dc_eblock_mii {
1016 	struct dc_eblock_hdr    dc_mii_hdr;
1017 	u_int8_t		dc_mii_phynum;
1018 	u_int8_t		dc_gpr_len;
1019 /*	u_int16_t		dc_gpr_dat[n]; */
1020 /*	u_int8_t		dc_reset_len; */
1021 /*	u_int16_t		dc_reset_dat[n]; */
1022 /* There are other fields after these, but we don't
1023  * care about them since they can be determined by looking
1024  * at the PHY.
1025  */
1026 };
1027 
1028 struct dc_eblock_sym {
1029 	struct dc_eblock_hdr	dc_sym_hdr;
1030 	u_int8_t		dc_sym_code;
1031 	u_int8_t		dc_sym_gpio_ctl[2];
1032 	u_int8_t		dc_sym_gpio_dat[2];
1033 	u_int8_t		dc_sym_cmd[2];
1034 };
1035 
1036 #define DC_SYM_CODE_100BT	0x03
1037 #define DC_SYM_CODE_100BT_FDX	0x05
1038 #define DC_SYM_CODE_100T4	0x06
1039 #define DC_SYM_CODE_100FX	0x07
1040 #define DC_SYM_CODE_100FX_FDX	0x08
1041 
1042 struct dc_eblock_reset {
1043 	struct dc_eblock_hdr	dc_reset_hdr;
1044 	u_int8_t		dc_reset_len;
1045 /*	u_int16_t		dc_reset_dat[n]; */
1046 };
1047 
1048 extern void dc_attach(struct dc_softc *);
1049 extern int dc_detach(struct dc_softc *);
1050 extern int dc_intr(void *);
1051 extern void dc_reset(struct dc_softc *);
1052 extern void dc_eeprom_width(struct dc_softc *);
1053 extern void dc_read_srom(struct dc_softc *, int);
1054 extern void dc_parse_21143_srom(struct dc_softc *);
1055 
1056 #if BYTE_ORDER == BIG_ENDIAN
1057 #define	DC_SP_FIELD_C(x)	((x) << 16)
1058 #else
1059 #define	DC_SP_FIELD_C(x)	(x)
1060 #endif
1061 #define	DC_SP_FIELD(x,f)	DC_SP_FIELD_C(((u_int16_t *)(x))[(f)])
1062