if_stereg.h revision 200911
1/*-
2 * Copyright (c) 1997, 1998, 1999
3 *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 *    must display the following acknowledgement:
15 *	This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 * $FreeBSD: head/sys/dev/ste/if_stereg.h 200911 2009-12-23 19:21:37Z yongari $
33 */
34
35/*
36 * Sundance PCI device/vendor ID for the
37 * ST201 chip.
38 */
39#define ST_VENDORID		0x13F0
40#define ST_DEVICEID_ST201_1	0x0200
41#define ST_DEVICEID_ST201_2	0x0201
42
43/*
44 * D-Link PCI device/vendor ID for the DL10050[AB] chip
45 */
46#define DL_VENDORID		0x1186
47#define DL_DEVICEID_DL10050	0x1002
48
49/*
50 * Register definitions for the Sundance Technologies ST201 PCI
51 * fast ethernet controller. The register space is 128 bytes long and
52 * can be accessed using either PCI I/O space or PCI memory mapping.
53 * There are 32-bit, 16-bit and 8-bit registers.
54 */
55
56#define STE_DMACTL		0x00
57#define STE_TX_DMALIST_PTR	0x04
58#define STE_TX_DMABURST_THRESH	0x08
59#define STE_TX_DMAURG_THRESH	0x09
60#define STE_TX_DMAPOLL_PERIOD	0x0A
61#define STE_RX_DMASTATUS	0x0C
62#define STE_RX_DMALIST_PTR	0x10
63#define STE_RX_DMABURST_THRESH	0x14
64#define STE_RX_DMAURG_THRESH	0x15
65#define STE_RX_DMAPOLL_PERIOD	0x16
66#define STE_DEBUGCTL		0x1A
67#define STE_ASICCTL		0x30
68#define STE_EEPROM_DATA		0x34
69#define STE_EEPROM_CTL		0x36
70#define STE_FIFOCTL		0x3A
71#define STE_TX_STARTTHRESH	0x3C
72#define STE_RX_EARLYTHRESH	0x3E
73#define STE_EXT_ROMADDR		0x40
74#define STE_EXT_ROMDATA		0x44
75#define STE_WAKE_EVENT		0x45
76#define STE_TX_STATUS		0x46
77#define STE_TX_FRAMEID		0x47
78#define STE_COUNTDOWN		0x48
79#define STE_ISR_ACK		0x4A
80#define STE_IMR			0x4C
81#define STE_ISR			0x4E
82#define STE_MACCTL0		0x50
83#define STE_MACCTL1		0x52
84#define STE_PAR0		0x54
85#define STE_PAR1		0x56
86#define STE_PAR2		0x58
87#define STE_MAX_FRAMELEN	0x5A
88#define STE_RX_MODE		0x5C
89#define STE_TX_RECLAIM_THRESH	0x5D
90#define STE_PHYCTL		0x5E
91#define STE_MAR0		0x60
92#define STE_MAR1		0x62
93#define STE_MAR2		0x64
94#define STE_MAR3		0x66
95
96#define	STE_STAT_RX_OCTETS_LO	0x68
97#define	STE_STAT_RX_OCTETS_HI	0x6A
98#define	STE_STAT_TX_OCTETS_LO	0x6C
99#define	STE_STAT_TX_OCTETS_HI	0x6E
100#define	STE_STAT_TX_FRAMES	0x70
101#define	STE_STAT_RX_FRAMES	0x72
102#define	STE_STAT_CARRIER_ERR	0x74
103#define	STE_STAT_LATE_COLLS	0x75
104#define	STE_STAT_MULTI_COLLS	0x76
105#define	STE_STAT_SINGLE_COLLS	0x77
106#define	STE_STAT_TX_DEFER	0x78
107#define	STE_STAT_RX_LOST	0x79
108#define	STE_STAT_TX_EXDEFER	0x7A
109#define	STE_STAT_TX_ABORT	0x7B
110#define	STE_STAT_TX_BCAST	0x7C
111#define	STE_STAT_RX_BCAST	0x7D
112#define	STE_STAT_TX_MCAST	0x7E
113#define	STE_STAT_RX_MCAST	0x7F
114
115#define STE_DMACTL_RXDMA_STOPPED	0x00000001
116#define STE_DMACTL_TXDMA_CMPREQ		0x00000002
117#define STE_DMACTL_TXDMA_STOPPED	0x00000004
118#define STE_DMACTL_RXDMA_COMPLETE	0x00000008
119#define STE_DMACTL_TXDMA_COMPLETE	0x00000010
120#define STE_DMACTL_RXDMA_STALL		0x00000100
121#define STE_DMACTL_RXDMA_UNSTALL	0x00000200
122#define STE_DMACTL_TXDMA_STALL		0x00000400
123#define STE_DMACTL_TXDMA_UNSTALL	0x00000800
124#define STE_DMACTL_TXDMA_INPROG		0x00004000
125#define STE_DMACTL_DMA_HALTINPROG	0x00008000
126#define STE_DMACTL_RXEARLY_ENABLE	0x00020000
127#define STE_DMACTL_COUNTDOWN_SPEED	0x00040000
128#define STE_DMACTL_COUNTDOWN_MODE	0x00080000
129#define STE_DMACTL_MWI_DISABLE		0x00100000
130#define STE_DMACTL_RX_DISCARD_OFLOWS	0x00400000
131#define STE_DMACTL_COUNTDOWN_ENABLE	0x00800000
132#define STE_DMACTL_TARGET_ABORT		0x40000000
133#define STE_DMACTL_MASTER_ABORT		0x80000000
134
135/*
136 * TX DMA burst thresh is the number of 32-byte blocks that
137 * must be loaded into the TX Fifo before a TXDMA burst request
138 * will be issued.
139 */
140#define STE_TXDMABURST_THRESH		0x1F
141
142/*
143 * The number of 32-byte blocks in the TX FIFO falls below the
144 * TX DMA urgent threshold, a TX DMA urgent request will be
145 * generated.
146 */
147#define STE_TXDMAURG_THRESH		0x3F
148
149/*
150 * Number of 320ns intervals between polls of the TXDMA next
151 * descriptor pointer (if we're using polling mode).
152 */
153#define STE_TXDMA_POLL_PERIOD		0x7F
154
155#define STE_RX_DMASTATUS_FRAMELEN	0x00001FFF
156#define STE_RX_DMASTATUS_RXERR		0x00004000
157#define STE_RX_DMASTATUS_DMADONE	0x00008000
158#define STE_RX_DMASTATUS_FIFO_OFLOW	0x00010000
159#define STE_RX_DMASTATUS_RUNT		0x00020000
160#define STE_RX_DMASTATUS_ALIGNERR	0x00040000
161#define STE_RX_DMASTATUS_CRCERR		0x00080000
162#define STE_RX_DMASTATUS_GIANT		0x00100000
163#define STE_RX_DMASTATUS_DRIBBLE	0x00800000
164#define STE_RX_DMASTATUS_DMA_OFLOW	0x01000000
165
166/*
167 * RX DMA burst thresh is the number of 32-byte blocks that
168 * must be present in the RX FIFO before a RXDMA bus master
169 * request will be issued.
170 */
171#define STE_RXDMABURST_THRESH		0xFF
172
173/*
174 * The number of 32-byte blocks in the RX FIFO falls below the
175 * RX DMA urgent threshold, a RX DMA urgent request will be
176 * generated.
177 */
178#define STE_RXDMAURG_THRESH		0x1F
179
180/*
181 * Number of 320ns intervals between polls of the RXDMA complete
182 * bit in the status field on the current RX descriptor (if we're
183 * using polling mode).
184 */
185#define STE_RXDMA_POLL_PERIOD		0x7F
186
187#define STE_DEBUGCTL_GPIO0_CTL		0x0001
188#define STE_DEBUGCTL_GPIO1_CTL		0x0002
189#define STE_DEBUGCTL_GPIO0_DATA		0x0004
190#define STE_DEBUGCTL_GPIO1_DATA		0x0008
191
192#define STE_ASICCTL_ROMSIZE		0x00000002
193#define STE_ASICCTL_TX_LARGEPKTS	0x00000004
194#define STE_ASICCTL_RX_LARGEPKTS	0x00000008
195#define STE_ASICCTL_EXTROM_DISABLE	0x00000010
196#define STE_ASICCTL_PHYSPEED_10		0x00000020
197#define STE_ASICCTL_PHYSPEED_100	0x00000040
198#define STE_ASICCTL_PHYMEDIA		0x00000080
199#define STE_ASICCTL_FORCEDCONFIG	0x00000700
200#define STE_ASICCTL_D3RESET_DISABLE	0x00000800
201#define STE_ASICCTL_SPEEDUPMODE		0x00002000
202#define STE_ASICCTL_LEDMODE		0x00004000
203#define STE_ASICCTL_RSTOUT_POLARITY	0x00008000
204#define STE_ASICCTL_GLOBAL_RESET	0x00010000
205#define STE_ASICCTL_RX_RESET		0x00020000
206#define STE_ASICCTL_TX_RESET		0x00040000
207#define STE_ASICCTL_DMA_RESET		0x00080000
208#define STE_ASICCTL_FIFO_RESET		0x00100000
209#define STE_ASICCTL_NETWORK_RESET	0x00200000
210#define STE_ASICCTL_HOST_RESET		0x00400000
211#define STE_ASICCTL_AUTOINIT_RESET	0x00800000
212#define STE_ASICCTL_EXTRESET_RESET	0x01000000
213#define STE_ASICCTL_SOFTINTR		0x02000000
214#define STE_ASICCTL_RESET_BUSY		0x04000000
215
216#define STE_EECTL_ADDR			0x00FF
217#define STE_EECTL_OPCODE		0x0300
218#define STE_EECTL_BUSY			0x1000
219
220#define STE_EEOPCODE_WRITE		0x0100
221#define STE_EEOPCODE_READ		0x0200
222#define STE_EEOPCODE_ERASE		0x0300
223
224#define STE_FIFOCTL_RAMTESTMODE		0x0001
225#define STE_FIFOCTL_OVERRUNMODE		0x0200
226#define STE_FIFOCTL_RXFIFOFULL		0x0800
227#define STE_FIFOCTL_TX_BUSY		0x4000
228#define STE_FIFOCTL_RX_BUSY		0x8000
229
230/*
231 * The number of bytes that must in present in the TX FIFO before
232 * transmission begins. Value should be in increments of 4 bytes.
233 */
234#define STE_TXSTART_THRESH		0x1FFC
235
236/*
237 * Number of bytes that must be present in the RX FIFO before
238 * an RX EARLY interrupt is generated.
239 */
240#define STE_RXEARLY_THRESH		0x1FFC
241
242#define STE_WAKEEVENT_WAKEPKT_ENB	0x01
243#define STE_WAKEEVENT_MAGICPKT_ENB	0x02
244#define STE_WAKEEVENT_LINKEVT_ENB	0x04
245#define STE_WAKEEVENT_WAKEPOLARITY	0x08
246#define STE_WAKEEVENT_WAKEPKTEVENT	0x10
247#define STE_WAKEEVENT_MAGICPKTEVENT	0x20
248#define STE_WAKEEVENT_LINKEVENT		0x40
249#define STE_WAKEEVENT_WAKEONLAN_ENB	0x80
250
251#define STE_TXSTATUS_RECLAIMERR		0x02
252#define STE_TXSTATUS_STATSOFLOW		0x04
253#define STE_TXSTATUS_EXCESSCOLLS	0x08
254#define STE_TXSTATUS_UNDERRUN		0x10
255#define STE_TXSTATUS_TXINTR_REQ		0x40
256#define STE_TXSTATUS_TXDONE		0x80
257
258#define	STE_ERR_BITS			"\20"				\
259					"\2RECLAIM\3STSOFLOW"		\
260					"\4EXCESSCOLLS\5UNDERRUN"	\
261					"\6INTREQ\7DONE"
262
263#define STE_ISRACK_INTLATCH		0x0001
264#define STE_ISRACK_HOSTERR		0x0002
265#define STE_ISRACK_TX_DONE		0x0004
266#define STE_ISRACK_MACCTL_FRAME		0x0008
267#define STE_ISRACK_RX_DONE		0x0010
268#define STE_ISRACK_RX_EARLY		0x0020
269#define STE_ISRACK_SOFTINTR		0x0040
270#define STE_ISRACK_STATS_OFLOW		0x0080
271#define STE_ISRACK_LINKEVENT		0x0100
272#define STE_ISRACK_TX_DMADONE		0x0200
273#define STE_ISRACK_RX_DMADONE		0x0400
274
275#define STE_IMR_HOSTERR			0x0002
276#define STE_IMR_TX_DONE			0x0004
277#define STE_IMR_MACCTL_FRAME		0x0008
278#define STE_IMR_RX_DONE			0x0010
279#define STE_IMR_RX_EARLY		0x0020
280#define STE_IMR_SOFTINTR		0x0040
281#define STE_IMR_STATS_OFLOW		0x0080
282#define STE_IMR_LINKEVENT		0x0100
283#define STE_IMR_TX_DMADONE		0x0200
284#define STE_IMR_RX_DMADONE		0x0400
285
286#define STE_INTRS				\
287	(STE_IMR_RX_DMADONE|STE_IMR_TX_DMADONE|	\
288	STE_IMR_TX_DONE|STE_IMR_HOSTERR)
289
290#define STE_ISR_INTLATCH		0x0001
291#define STE_ISR_HOSTERR			0x0002
292#define STE_ISR_TX_DONE			0x0004
293#define STE_ISR_MACCTL_FRAME		0x0008
294#define STE_ISR_RX_DONE			0x0010
295#define STE_ISR_RX_EARLY		0x0020
296#define STE_ISR_SOFTINTR		0x0040
297#define STE_ISR_STATS_OFLOW		0x0080
298#define STE_ISR_LINKEVENT		0x0100
299#define STE_ISR_TX_DMADONE		0x0200
300#define STE_ISR_RX_DMADONE		0x0400
301
302/*
303 * Note: the Sundance manual gives the impression that the's
304 * only one 32-bit MACCTL register. In fact, there are two
305 * 16-bit registers side by side, and you have to access them
306 * separately.
307 */
308#define STE_MACCTL0_IPG			0x0003
309#define STE_MACCTL0_FULLDUPLEX		0x0020
310#define STE_MACCTL0_RX_GIANTS		0x0040
311#define STE_MACCTL0_FLOWCTL_ENABLE	0x0100
312#define STE_MACCTL0_RX_FCS		0x0200
313#define STE_MACCTL0_FIFOLOOPBK		0x0400
314#define STE_MACCTL0_MACLOOPBK		0x0800
315
316#define STE_MACCTL1_COLLDETECT		0x0001
317#define STE_MACCTL1_CARRSENSE		0x0002
318#define STE_MACCTL1_TX_BUSY		0x0004
319#define STE_MACCTL1_TX_ERROR		0x0008
320#define STE_MACCTL1_STATS_ENABLE	0x0020
321#define STE_MACCTL1_STATS_DISABLE	0x0040
322#define STE_MACCTL1_STATS_ENABLED	0x0080
323#define STE_MACCTL1_TX_ENABLE		0x0100
324#define STE_MACCTL1_TX_DISABLE		0x0200
325#define STE_MACCTL1_TX_ENABLED		0x0400
326#define STE_MACCTL1_RX_ENABLE		0x0800
327#define STE_MACCTL1_RX_DISABLE		0x1000
328#define STE_MACCTL1_RX_ENABLED		0x2000
329#define STE_MACCTL1_PAUSED		0x4000
330
331#define STE_IPG_96BT			0x00000000
332#define STE_IPG_128BT			0x00000001
333#define STE_IPG_224BT			0x00000002
334#define STE_IPG_544BT			0x00000003
335
336#define STE_RXMODE_UNICAST		0x01
337#define STE_RXMODE_ALLMULTI		0x02
338#define STE_RXMODE_BROADCAST		0x04
339#define STE_RXMODE_PROMISC		0x08
340#define STE_RXMODE_MULTIHASH		0x10
341#define STE_RXMODE_ALLIPMULTI		0x20
342
343#define STE_PHYCTL_MCLK			0x01
344#define STE_PHYCTL_MDATA		0x02
345#define STE_PHYCTL_MDIR			0x04
346#define STE_PHYCTL_CLK25_DISABLE	0x08
347#define STE_PHYCTL_DUPLEXPOLARITY	0x10
348#define STE_PHYCTL_DUPLEXSTAT		0x20
349#define STE_PHYCTL_SPEEDSTAT		0x40
350#define STE_PHYCTL_LINKSTAT		0x80
351
352/*
353 * EEPROM offsets.
354 */
355#define STE_EEADDR_CONFIGPARM		0x00
356#define STE_EEADDR_ASICCTL		0x02
357#define STE_EEADDR_SUBSYS_ID		0x04
358#define STE_EEADDR_SUBVEN_ID		0x08
359
360#define STE_EEADDR_NODE0		0x10
361#define STE_EEADDR_NODE1		0x12
362#define STE_EEADDR_NODE2		0x14
363
364/* PCI registers */
365#define STE_PCI_VENDOR_ID		0x00
366#define STE_PCI_DEVICE_ID		0x02
367#define STE_PCI_COMMAND			0x04
368#define STE_PCI_STATUS			0x06
369#define STE_PCI_CLASSCODE		0x09
370#define STE_PCI_LATENCY_TIMER		0x0D
371#define STE_PCI_HEADER_TYPE		0x0E
372#define STE_PCI_LOIO			0x10
373#define STE_PCI_LOMEM			0x14
374#define STE_PCI_BIOSROM			0x30
375#define STE_PCI_INTLINE			0x3C
376#define STE_PCI_INTPIN			0x3D
377#define STE_PCI_MINGNT			0x3E
378#define STE_PCI_MINLAT			0x0F
379
380#define STE_PCI_CAPID			0x50 /* 8 bits */
381#define STE_PCI_NEXTPTR			0x51 /* 8 bits */
382#define STE_PCI_PWRMGMTCAP		0x52 /* 16 bits */
383#define STE_PCI_PWRMGMTCTRL		0x54 /* 16 bits */
384
385#define STE_PSTATE_MASK			0x0003
386#define STE_PSTATE_D0			0x0000
387#define STE_PSTATE_D1			0x0002
388#define STE_PSTATE_D2			0x0002
389#define STE_PSTATE_D3			0x0003
390#define STE_PME_EN			0x0010
391#define STE_PME_STATUS			0x8000
392
393struct ste_hw_stats {
394	uint64_t		rx_bytes;
395	uint32_t		rx_frames;
396	uint32_t		rx_bcast_frames;
397	uint32_t		rx_mcast_frames;
398	uint32_t		rx_lost_frames;
399	uint64_t		tx_bytes;
400	uint32_t		tx_frames;
401	uint32_t		tx_bcast_frames;
402	uint32_t		tx_mcast_frames;
403	uint32_t		tx_carrsense_errs;
404	uint32_t		tx_single_colls;
405	uint32_t		tx_multi_colls;
406	uint32_t		tx_late_colls;
407	uint32_t		tx_frames_defered;
408	uint32_t		tx_excess_defers;
409	uint32_t		tx_abort;
410};
411
412struct ste_frag {
413	uint32_t		ste_addr;
414	uint32_t		ste_len;
415};
416
417#define STE_FRAG_LAST		0x80000000
418#define STE_FRAG_LEN		0x00001FFF
419
420/*
421 * A TFD is 16 to 512 bytes in length which means it can have up to 126
422 * fragments for a single Tx frame. Since most frames used in stack have
423 * 3-4 fragments supporting 8 fragments would be enough for normal
424 * operation. If we encounter more than 8 fragments we'll collapse them
425 * into a frame that has less than or equal to 8 fragments. Each buffer
426 * address of a fragment has no alignment limitation.
427 */
428#define STE_MAXFRAGS	8
429
430struct ste_desc {
431	uint32_t		ste_next;
432	uint32_t		ste_ctl;
433	struct ste_frag		ste_frags[STE_MAXFRAGS];
434};
435
436/*
437 * A RFD has the same structure of TFD which in turn means hardware
438 * supports scatter operation in Rx buffer. Since we just allocate Rx
439 * buffer with m_getcl(9) there is no fragmentation at all so use
440 * single fragment for RFD.
441 */
442struct ste_desc_onefrag {
443	uint32_t		ste_next;
444	uint32_t		ste_status;
445	struct ste_frag		ste_frag;
446};
447
448#define STE_TXCTL_WORDALIGN	0x00000003
449#define STE_TXCTL_ALIGN_DIS	0x00000001
450#define STE_TXCTL_FRAMEID	0x000003FC
451#define STE_TXCTL_NOCRC		0x00002000
452#define STE_TXCTL_TXINTR	0x00008000
453#define STE_TXCTL_DMADONE	0x00010000
454#define STE_TXCTL_DMAINTR	0x80000000
455
456#define STE_RXSTAT_FRAMELEN	0x00001FFF
457#define STE_RXSTAT_FRAME_ERR	0x00004000
458#define STE_RXSTAT_DMADONE	0x00008000
459#define STE_RXSTAT_FIFO_OFLOW	0x00010000
460#define STE_RXSTAT_RUNT		0x00020000
461#define STE_RXSTAT_ALIGNERR	0x00040000
462#define STE_RXSTAT_CRCERR	0x00080000
463#define STE_RXSTAT_GIANT	0x00100000
464#define STE_RXSTAT_DRIBBLEBITS	0x00800000
465#define STE_RXSTAT_DMA_OFLOW	0x01000000
466#define STE_RXATAT_ONEBUF	0x10000000
467
468#define STE_RX_BYTES(x)		((x) & STE_RXSTAT_FRAMELEN)
469
470/*
471 * register space access macros
472 */
473#define CSR_WRITE_4(sc, reg, val)	\
474	bus_write_4((sc)->ste_res, reg, val)
475#define CSR_WRITE_2(sc, reg, val)	\
476	bus_write_2((sc)->ste_res, reg, val)
477#define CSR_WRITE_1(sc, reg, val)	\
478	bus_write_1((sc)->ste_res, reg, val)
479
480#define CSR_READ_4(sc, reg)		\
481	bus_read_4((sc)->ste_res, reg)
482#define CSR_READ_2(sc, reg)		\
483	bus_read_2((sc)->ste_res, reg)
484#define CSR_READ_1(sc, reg)		\
485	bus_read_1((sc)->ste_res, reg)
486
487#define	STE_DESC_ALIGN		8
488#define STE_RX_LIST_CNT		128
489#define STE_TX_LIST_CNT		128
490#define	STE_RX_LIST_SZ		\
491	(sizeof(struct ste_desc_onefrag) * STE_RX_LIST_CNT)
492#define	STE_TX_LIST_SZ		\
493	(sizeof(struct ste_desc) * STE_TX_LIST_CNT)
494#define	STE_ADDR_LO(x)		((uint64_t)(x) & 0xFFFFFFFF)
495#define	STE_ADDR_HI(x)		((uint64_t)(x) >> 32)
496
497#define	STE_TX_TIMEOUT		5
498#define STE_TIMEOUT		1000
499#define STE_MIN_FRAMELEN	60
500#define STE_PACKET_SIZE		1536
501#define STE_INC(x, y)		(x) = (x + 1) % y
502#define STE_DEC(x, y)		(x) = ((x) + ((y) - 1)) % (y)
503#define STE_NEXT(x, y)		(x + 1) % y
504
505struct ste_type {
506	uint16_t		ste_vid;
507	uint16_t		ste_did;
508	char			*ste_name;
509};
510
511struct ste_list_data {
512	struct ste_desc_onefrag	*ste_rx_list;
513	bus_addr_t		ste_rx_list_paddr;
514	struct ste_desc		*ste_tx_list;
515	bus_addr_t		ste_tx_list_paddr;
516};
517
518struct ste_chain {
519	struct ste_desc		*ste_ptr;
520	struct mbuf		*ste_mbuf;
521	struct ste_chain	*ste_next;
522	uint32_t		ste_phys;
523	bus_dmamap_t		ste_map;
524};
525
526struct ste_chain_onefrag {
527	struct ste_desc_onefrag	*ste_ptr;
528	struct mbuf		*ste_mbuf;
529	struct ste_chain_onefrag	*ste_next;
530	bus_dmamap_t		ste_map;
531};
532
533struct ste_chain_data {
534	bus_dma_tag_t		ste_parent_tag;
535	bus_dma_tag_t		ste_rx_tag;
536	bus_dma_tag_t		ste_tx_tag;
537	bus_dma_tag_t		ste_rx_list_tag;
538	bus_dmamap_t		ste_rx_list_map;
539	bus_dma_tag_t		ste_tx_list_tag;
540	bus_dmamap_t		ste_tx_list_map;
541	bus_dmamap_t		ste_rx_sparemap;
542	struct ste_chain_onefrag ste_rx_chain[STE_RX_LIST_CNT];
543	struct ste_chain	ste_tx_chain[STE_TX_LIST_CNT];
544	struct ste_chain_onefrag *ste_rx_head;
545	struct ste_chain	*ste_last_tx;
546	int			ste_tx_prod;
547	int			ste_tx_cons;
548	int			ste_tx_cnt;
549};
550
551struct ste_softc {
552	struct ifnet		*ste_ifp;
553	struct resource		*ste_res;
554	int			ste_res_id;
555	int			ste_res_type;
556	struct resource		*ste_irq;
557	void			*ste_intrhand;
558	struct ste_type		*ste_info;
559	device_t		ste_miibus;
560	device_t		ste_dev;
561	int			ste_tx_thresh;
562	int			ste_flags;
563#define	STE_FLAG_ONE_PHY	0x0001
564#define	STE_FLAG_LINK		0x8000
565	int			ste_if_flags;
566	int			ste_timer;
567	struct ste_list_data	ste_ldata;
568	struct ste_chain_data	ste_cdata;
569	struct callout		ste_callout;
570	struct ste_hw_stats	ste_stats;
571	struct mtx		ste_mtx;
572};
573
574#define	STE_LOCK(_sc)		mtx_lock(&(_sc)->ste_mtx)
575#define	STE_UNLOCK(_sc)		mtx_unlock(&(_sc)->ste_mtx)
576#define	STE_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->ste_mtx, MA_OWNED)
577
578struct ste_mii_frame {
579	uint8_t			mii_stdelim;
580	uint8_t			mii_opcode;
581	uint8_t			mii_phyaddr;
582	uint8_t			mii_regaddr;
583	uint8_t			mii_turnaround;
584	uint16_t		mii_data;
585};
586
587/*
588 * MII constants
589 */
590#define STE_MII_STARTDELIM	0x01
591#define STE_MII_READOP		0x02
592#define STE_MII_WRITEOP		0x01
593#define STE_MII_TURNAROUND	0x02
594