if_sisreg.h revision 330897
1/*-
2 * SPDX-License-Identifier: BSD-4-Clause
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: stable/11/sys/dev/sis/if_sisreg.h 330897 2018-03-14 03:19:51Z eadler $
35 */
36
37/*
38 * Register definitions for the SiS 900 and SiS 7016 chipsets. The
39 * 7016 is actually an older chip and some of its registers differ
40 * from the 900, however the core operational registers are the same:
41 * the differences lie in the OnNow/Wake on LAN stuff which we don't
42 * use anyway. The 7016 needs an external MII compliant PHY while the
43 * SiS 900 has one built in. All registers are 32-bits wide.
44 */
45
46/* Registers common to SiS 900 and SiS 7016 */
47#define SIS_CSR			0x00
48#define SIS_CFG			0x04
49#define SIS_EECTL		0x08
50#define SIS_PCICTL		0x0C
51#define SIS_ISR			0x10
52#define SIS_IMR			0x14
53#define SIS_IER			0x18
54#define SIS_PHYCTL		0x1C
55#define SIS_TX_LISTPTR		0x20
56#define SIS_TX_CFG		0x24
57#define SIS_RX_LISTPTR		0x30
58#define SIS_RX_CFG		0x34
59#define SIS_FLOWCTL		0x38
60#define SIS_RXFILT_CTL		0x48
61#define SIS_RXFILT_DATA		0x4C
62#define SIS_PWRMAN_CTL		0xB0
63#define SIS_PWERMAN_WKUP_EVENT	0xB4
64#define SIS_WKUP_FRAME_CRC	0xBC
65#define SIS_WKUP_FRAME_MASK0	0xC0
66#define SIS_WKUP_FRAME_MASKXX	0xEC
67
68/* SiS 7016 specific registers */
69#define SIS_SILICON_REV		0x5C
70#define SIS_MIB_CTL0		0x60
71#define SIS_MIB_CTL1		0x64
72#define SIS_MIB_CTL2		0x68
73#define SIS_MIB_CTL3		0x6C
74#define SIS_MIB			0x80
75#define SIS_LINKSTS		0xA0
76#define SIS_TIMEUNIT		0xA4
77#define SIS_GPIO		0xB8
78
79/* NS DP83815/6 registers */
80#define NS_IHR			0x1C
81#define NS_CLKRUN		0x3C
82#define	NS_WCSR			0x40
83#define NS_SRR			0x58
84#define NS_BMCR			0x80
85#define NS_BMSR			0x84
86#define NS_PHYIDR1		0x88
87#define NS_PHYIDR2		0x8C
88#define NS_ANAR			0x90
89#define NS_ANLPAR		0x94
90#define NS_ANER			0x98
91#define NS_ANNPTR		0x9C
92
93#define NS_PHY_CR		0xE4
94#define NS_PHY_10BTSCR		0xE8
95#define NS_PHY_PAGE		0xCC
96#define NS_PHY_EXTCFG		0xF0
97#define NS_PHY_DSPCFG		0xF4
98#define NS_PHY_SDCFG		0xF8
99#define NS_PHY_TDATA		0xFC
100
101#define NS_CLKRUN_PMESTS	0x00008000
102#define NS_CLKRUN_PMEENB	0x00000100
103#define NS_CLNRUN_CLKRUN_ENB	0x00000001
104
105#define	NS_WCSR_WAKE_PHYINTR	0x00000001
106#define	NS_WCSR_WAKE_UCAST	0x00000002
107#define	NS_WCSR_WAKE_MCAST	0x00000004
108#define	NS_WCSR_WAKE_BCAST	0x00000008
109#define	NS_WCSR_WAKE_ARP	0x00000010
110#define	NS_WCSR_WAKE_PATTERN0	0x00000020
111#define	NS_WCSR_WAKE_PATTERN1	0x00000040
112#define	NS_WCSR_WAKE_PATTERN2	0x00000080
113#define	NS_WCSR_WAKE_PATTERN3	0x00000100
114#define	NS_WCSR_WAKE_MAGIC	0x00000200
115#define	NS_WCSR_WAKE_MAGIC_SEC	0x00000400
116#define	NS_WCSR_DET_MAGIC_SECH	0x00100000
117#define	NS_WCSR_DET_PHYINTR	0x00400000
118#define	NS_WCSR_DET_UCAST	0x00800000
119#define	NS_WCSR_DET_MCAST	0x01000000
120#define	NS_WCSR_DET_BCAST	0x02000000
121#define	NS_WCSR_DET_ARP		0x04000000
122#define	NS_WCSR_DET_PATTERN0	0x08000000
123#define	NS_WCSR_DET_PATTERN1	0x10000000
124#define	NS_WCSR_DET_PATTERN2	0x20000000
125#define	NS_WCSR_DET_PATTERN3	0x40000000
126#define	NS_WCSR_DET_MAGIC	0x80000000
127
128/* NS silicon revisions */
129#define NS_SRR_15C		0x302
130#define NS_SRR_15D		0x403
131#define NS_SRR_16A		0x505
132
133#define SIS_CSR_TX_ENABLE	0x00000001
134#define SIS_CSR_TX_DISABLE	0x00000002
135#define SIS_CSR_RX_ENABLE	0x00000004
136#define SIS_CSR_RX_DISABLE	0x00000008
137#define SIS_CSR_TX_RESET	0x00000010
138#define SIS_CSR_RX_RESET	0x00000020
139#define SIS_CSR_SOFTINTR	0x00000080
140#define SIS_CSR_RESET		0x00000100
141#define SIS_CSR_ACCESS_MODE	0x00000200
142#define SIS_CSR_RELOAD		0x00000400
143
144#define SIS_CFG_BIGENDIAN	0x00000001
145#define SIS_CFG_PERR_DETECT	0x00000008
146#define SIS_CFG_DEFER_DISABLE	0x00000010
147#define SIS_CFG_OUTOFWIN_TIMER	0x00000020
148#define SIS_CFG_SINGLE_BACKOFF	0x00000040
149#define SIS_CFG_PCIREQ_ALG	0x00000080
150#define SIS_CFG_FAIR_BACKOFF	0x00000200 /* 635 & 900B Specific */
151#define SIS_CFG_RND_CNT	0x00000400 /* 635 & 900B Specific */
152#define SIS_CFG_EDB_MASTER_EN	0x00002000
153
154#define SIS_EECTL_DIN		0x00000001
155#define SIS_EECTL_DOUT		0x00000002
156#define SIS_EECTL_CLK		0x00000004
157#define SIS_EECTL_CSEL		0x00000008
158
159#define	SIS_MII_CLK		0x00000040
160#define	SIS_MII_DIR		0x00000020
161#define	SIS_MII_DATA		0x00000010
162
163#define SIS_EECMD_WRITE		0x140
164#define SIS_EECMD_READ		0x180
165#define SIS_EECMD_ERASE		0x1c0
166
167/*
168 * EEPROM Commands for SiS96x
169 * chipsets.
170 */
171#define SIS_EECMD_REQ		0x00000400
172#define SIS_EECMD_DONE		0x00000200
173#define SIS_EECMD_GNT		0x00000100
174
175#define SIS_EE_NODEADDR		0x8
176#define NS_EE_NODEADDR		0x6
177
178#define SIS_PCICTL_SRAMADDR	0x0000001F
179#define SIS_PCICTL_RAMTSTENB	0x00000020
180#define SIS_PCICTL_TXTSTENB	0x00000040
181#define SIS_PCICTL_RXTSTENB	0x00000080
182#define SIS_PCICTL_BMTSTENB	0x00000200
183#define SIS_PCICTL_RAMADDR	0x001F0000
184#define SIS_PCICTL_ROMTIME	0x0F000000
185#define SIS_PCICTL_DISCTEST	0x40000000
186
187#define SIS_ISR_RX_OK		0x00000001
188#define SIS_ISR_RX_DESC_OK	0x00000002
189#define SIS_ISR_RX_ERR		0x00000004
190#define SIS_ISR_RX_EARLY	0x00000008
191#define SIS_ISR_RX_IDLE		0x00000010
192#define SIS_ISR_RX_OFLOW	0x00000020
193#define SIS_ISR_TX_OK		0x00000040
194#define SIS_ISR_TX_DESC_OK	0x00000080
195#define SIS_ISR_TX_ERR		0x00000100
196#define SIS_ISR_TX_IDLE		0x00000200
197#define SIS_ISR_TX_UFLOW	0x00000400
198#define SIS_ISR_SOFTINTR	0x00000800
199#define SIS_ISR_HIBITS		0x00008000
200#define SIS_ISR_RX_FIFO_OFLOW	0x00010000
201#define SIS_ISR_TGT_ABRT	0x00100000
202#define SIS_ISR_BM_ABRT		0x00200000
203#define SIS_ISR_SYSERR		0x00400000
204#define SIS_ISR_PARITY_ERR	0x00800000
205#define SIS_ISR_RX_RESET_DONE	0x01000000
206#define SIS_ISR_TX_RESET_DONE	0x02000000
207#define SIS_ISR_TX_PAUSE_START	0x04000000
208#define SIS_ISR_TX_PAUSE_DONE	0x08000000
209#define SIS_ISR_WAKE_EVENT	0x10000000
210
211#define SIS_IMR_RX_OK		0x00000001
212#define SIS_IMR_RX_DESC_OK	0x00000002
213#define SIS_IMR_RX_ERR		0x00000004
214#define SIS_IMR_RX_EARLY	0x00000008
215#define SIS_IMR_RX_IDLE		0x00000010
216#define SIS_IMR_RX_OFLOW	0x00000020
217#define SIS_IMR_TX_OK		0x00000040
218#define SIS_IMR_TX_DESC_OK	0x00000080
219#define SIS_IMR_TX_ERR		0x00000100
220#define SIS_IMR_TX_IDLE		0x00000200
221#define SIS_IMR_TX_UFLOW	0x00000400
222#define SIS_IMR_SOFTINTR	0x00000800
223#define SIS_IMR_HIBITS		0x00008000
224#define SIS_IMR_RX_FIFO_OFLOW	0x00010000
225#define SIS_IMR_TGT_ABRT	0x00100000
226#define SIS_IMR_BM_ABRT		0x00200000
227#define SIS_IMR_SYSERR		0x00400000
228#define SIS_IMR_PARITY_ERR	0x00800000
229#define SIS_IMR_RX_RESET_DONE	0x01000000
230#define SIS_IMR_TX_RESET_DONE	0x02000000
231#define SIS_IMR_TX_PAUSE_START	0x04000000
232#define SIS_IMR_TX_PAUSE_DONE	0x08000000
233#define SIS_IMR_WAKE_EVENT	0x10000000
234
235#define SIS_INTRS	\
236	(SIS_IMR_RX_OFLOW|SIS_IMR_TX_UFLOW|SIS_IMR_TX_OK|\
237	 SIS_IMR_TX_IDLE|SIS_IMR_RX_OK|SIS_IMR_RX_ERR|\
238	 SIS_IMR_RX_IDLE|\
239	 SIS_IMR_SYSERR)
240
241#define SIS_IER_INTRENB		0x00000001
242
243#define SIS_PHYCTL_ACCESS	0x00000010
244#define SIS_PHYCTL_OP		0x00000020
245#define SIS_PHYCTL_REGADDR	0x000007C0
246#define SIS_PHYCTL_PHYADDR	0x0000F800
247#define SIS_PHYCTL_PHYDATA	0xFFFF0000
248
249#define SIS_PHYOP_READ		0x00000020
250#define SIS_PHYOP_WRITE		0x00000000
251
252#define SIS_TXCFG_DRAIN_THRESH	0x0000003F /* 32-byte units */
253#define SIS_TXCFG_FILL_THRESH	0x00003F00 /* 32-byte units */
254#define SIS_TXCFG_DMABURST	0x00700000
255#define SIS_TXCFG_AUTOPAD	0x10000000
256#define SIS_TXCFG_LOOPBK	0x20000000
257#define SIS_TXCFG_IGN_HBEAT	0x40000000
258#define SIS_TXCFG_IGN_CARR	0x80000000
259
260#define SIS_TXCFG_DRAIN(x)	(((x) >> 5) & SIS_TXCFG_DRAIN_THRESH)
261#define SIS_TXCFG_FILL(x)	((((x) >> 5) << 8) & SIS_TXCFG_FILL_THRESH)
262
263#define SIS_TXDMA_512BYTES	0x00000000
264#define SIS_TXDMA_4BYTES	0x00100000
265#define SIS_TXDMA_8BYTES	0x00200000
266#define SIS_TXDMA_16BYTES	0x00300000
267#define SIS_TXDMA_32BYTES	0x00400000
268#define SIS_TXDMA_64BYTES	0x00500000
269#define SIS_TXDMA_128BYTES	0x00600000
270#define SIS_TXDMA_256BYTES	0x00700000
271
272#define SIS_TXCFG_100	\
273	(SIS_TXDMA_64BYTES|SIS_TXCFG_AUTOPAD|\
274	 SIS_TXCFG_FILL(64)|SIS_TXCFG_DRAIN(1536))
275
276#define SIS_TXCFG_10	\
277	(SIS_TXDMA_32BYTES|SIS_TXCFG_AUTOPAD|\
278	 SIS_TXCFG_FILL(64)|SIS_TXCFG_DRAIN(1536))
279
280#define SIS_RXCFG_DRAIN_THRESH	0x0000003E /* 8-byte units */
281#define SIS_TXCFG_MPII03D	0x00040000 /* "Must be 1" */
282#define SIS_RXCFG_DMABURST	0x00700000
283#define SIS_RXCFG_RX_JABBER	0x08000000
284#define SIS_RXCFG_RX_TXPKTS	0x10000000
285#define SIS_RXCFG_RX_RUNTS	0x40000000
286#define SIS_RXCFG_RX_GIANTS	0x80000000
287
288#define SIS_RXCFG_DRAIN(x)	((((x) >> 3) << 1) & SIS_RXCFG_DRAIN_THRESH)
289
290#define SIS_RXDMA_512BYTES	0x00000000
291#define SIS_RXDMA_4BYTES	0x00100000
292#define SIS_RXDMA_8BYTES	0x00200000
293#define SIS_RXDMA_16BYTES	0x00300000
294#define SIS_RXDMA_32BYTES	0x00400000
295#define SIS_RXDMA_64BYTES	0x00500000
296#define SIS_RXDMA_128BYTES	0x00600000
297#define SIS_RXDMA_256BYTES	0x00700000
298
299#define SIS_RXCFG256 \
300	(SIS_RXCFG_DRAIN(64)|SIS_RXDMA_256BYTES)
301#define SIS_RXCFG64 \
302	(SIS_RXCFG_DRAIN(64)|SIS_RXDMA_64BYTES)
303
304#define SIS_RXFILTCTL_ADDR	0x000F0000
305#define NS_RXFILTCTL_MCHASH	0x00200000
306#define NS_RXFILTCTL_ARP	0x00400000
307#define NS_RXFILTCTL_PERFECT	0x08000000
308#define SIS_RXFILTCTL_ALLPHYS	0x10000000
309#define SIS_RXFILTCTL_ALLMULTI	0x20000000
310#define SIS_RXFILTCTL_BROAD	0x40000000
311#define SIS_RXFILTCTL_ENABLE	0x80000000
312
313#define SIS_FILTADDR_PAR0	0x00000000
314#define SIS_FILTADDR_PAR1	0x00010000
315#define SIS_FILTADDR_PAR2	0x00020000
316#define SIS_FILTADDR_MAR0	0x00040000
317#define SIS_FILTADDR_MAR1	0x00050000
318#define SIS_FILTADDR_MAR2	0x00060000
319#define SIS_FILTADDR_MAR3	0x00070000
320#define SIS_FILTADDR_MAR4	0x00080000
321#define SIS_FILTADDR_MAR5	0x00090000
322#define SIS_FILTADDR_MAR6	0x000A0000
323#define SIS_FILTADDR_MAR7	0x000B0000
324
325#define NS_FILTADDR_PAR0	0x00000000
326#define NS_FILTADDR_PAR1	0x00000002
327#define NS_FILTADDR_PAR2	0x00000004
328
329#define NS_FILTADDR_FMEM_LO	0x00000200
330#define NS_FILTADDR_FMEM_HI	0x000003FE
331
332#define	SIS_PWRMAN_WOL_LINK_OFF	0x00000001
333#define	SIS_PWRMAN_WOL_LINK_ON	0x00000002
334#define	SIS_PWRMAN_WOL_MAGIC	0x00000400
335
336/*
337 * TX/RX DMA descriptor structures.
338 */
339struct sis_desc {
340	/* SiS hardware descriptor section */
341	uint32_t		sis_next;
342	volatile uint32_t	sis_cmdsts;
343	volatile uint32_t	sis_ptr;
344};
345
346#define SIS_CMDSTS_BUFLEN	0x00000FFF
347#define SIS_CMDSTS_PKT_OK	0x08000000
348#define SIS_CMDSTS_CRC		0x10000000
349#define SIS_CMDSTS_INTR		0x20000000
350#define SIS_CMDSTS_MORE		0x40000000
351#define SIS_CMDSTS_OWN		0x80000000
352
353#define SIS_RXSTAT_COLL		0x00010000
354#define SIS_RXSTAT_LOOPBK	0x00020000
355#define SIS_RXSTAT_ALIGNERR	0x00040000
356#define SIS_RXSTAT_CRCERR	0x00080000
357#define SIS_RXSTAT_SYMBOLERR	0x00100000
358#define SIS_RXSTAT_RUNT		0x00200000
359#define SIS_RXSTAT_GIANT	0x00400000
360#define SIS_RXSTAT_DSTCLASS	0x01800000
361#define SIS_RXSTAT_OVERRUN	0x02000000
362#define SIS_RXSTAT_RX_ABORT	0x04000000
363
364#define	SIS_RXSTAT_ERROR(x)						\
365	((x) & (SIS_RXSTAT_RX_ABORT | SIS_RXSTAT_OVERRUN |		\
366	SIS_RXSTAT_GIANT | SIS_RXSTAT_SYMBOLERR | SIS_RXSTAT_RUNT |	\
367	SIS_RXSTAT_CRCERR | SIS_RXSTAT_ALIGNERR))
368
369#define SIS_DSTCLASS_REJECT	0x00000000
370#define SIS_DSTCLASS_UNICAST	0x00800000
371#define SIS_DSTCLASS_MULTICAST	0x01000000
372#define SIS_DSTCLASS_BROADCAST	0x02000000
373
374#define SIS_TXSTAT_COLLCNT	0x000F0000
375#define SIS_TXSTAT_EXCESSCOLLS	0x00100000
376#define SIS_TXSTAT_OUTOFWINCOLL	0x00200000
377#define SIS_TXSTAT_EXCESS_DEFER	0x00400000
378#define SIS_TXSTAT_DEFERED	0x00800000
379#define SIS_TXSTAT_CARR_LOST	0x01000000
380#define SIS_TXSTAT_UNDERRUN	0x02000000
381#define SIS_TXSTAT_TX_ABORT	0x04000000
382
383#define	SIS_DESC_ALIGN		16
384#define	SIS_RX_BUF_ALIGN	4
385#define	SIS_MAXTXSEGS		16
386#define SIS_RX_LIST_CNT		64
387#define SIS_TX_LIST_CNT		128
388
389#define SIS_RX_LIST_SZ		SIS_RX_LIST_CNT * sizeof(struct sis_desc)
390#define SIS_TX_LIST_SZ		SIS_TX_LIST_CNT * sizeof(struct sis_desc)
391
392#define	SIS_ADDR_LO(x)		((uint64_t) (x) & 0xffffffff)
393#define	SIS_ADDR_HI(x)		((uint64_t) (x) >> 32)
394
395#define	SIS_RX_RING_ADDR(sc, i)	\
396	((sc)->sis_rx_paddr + sizeof(struct sis_desc) * (i))
397#define	SIS_TX_RING_ADDR(sc, i)	\
398	((sc)->sis_tx_paddr + sizeof(struct sis_desc) * (i))
399
400#define	SIS_INC(x, y)		(x) = (x + 1) % (y)
401
402/*
403 * SiS PCI vendor ID.
404 */
405#define SIS_VENDORID		0x1039
406
407/*
408 * SiS PCI device IDs
409 */
410#define SIS_DEVICEID_900	0x0900
411#define SIS_DEVICEID_7016	0x7016
412
413/*
414 * SiS 900 PCI revision codes.
415 */
416#define SIS_REV_900B		0x0003
417#define SIS_REV_630A		0x0080
418#define SIS_REV_630E		0x0081
419#define SIS_REV_630S		0x0082
420#define SIS_REV_630EA1		0x0083
421#define SIS_REV_630ET		0x0084
422#define SIS_REV_635		0x0090
423#define SIS_REV_96x		0x0091
424
425/*
426 * NatSemi vendor ID
427 */
428#define NS_VENDORID		0x100B
429
430/*
431 * DP83815 device ID
432 */
433#define NS_DEVICEID_DP83815	0x0020
434
435struct sis_type {
436	uint16_t		sis_vid;
437	uint16_t		sis_did;
438	const char		*sis_name;
439};
440
441#define SIS_TYPE_900	1
442#define SIS_TYPE_7016	2
443#define SIS_TYPE_83815	3
444
445struct sis_txdesc {
446	struct mbuf		*tx_m;
447	bus_dmamap_t		tx_dmamap;
448};
449
450struct sis_rxdesc {
451	struct mbuf		*rx_m;
452	bus_dmamap_t		rx_dmamap;
453	struct sis_desc		*rx_desc;
454};
455
456struct sis_softc {
457	struct ifnet		*sis_ifp;	/* interface info */
458	struct resource		*sis_res[2];
459	void			*sis_intrhand;
460	device_t		sis_dev;
461	device_t		sis_miibus;
462	uint8_t			sis_type;
463	uint8_t			sis_rev;
464	uint32_t		sis_flags;
465#define	SIS_FLAG_MANUAL_PAD	0x0800
466#define	SIS_FLAG_LINK		0x8000
467	int			sis_manual_pad;
468	uint32_t		sis_srr;
469	struct sis_desc		*sis_rx_list;
470	struct sis_desc		*sis_tx_list;
471	bus_dma_tag_t		sis_rx_list_tag;
472	bus_dmamap_t		sis_rx_list_map;
473	bus_dma_tag_t		sis_tx_list_tag;
474	bus_dmamap_t		sis_tx_list_map;
475	bus_dma_tag_t		sis_parent_tag;
476	bus_dma_tag_t		sis_rx_tag;
477	bus_dmamap_t		sis_rx_sparemap;
478	bus_dma_tag_t		sis_tx_tag;
479	struct sis_rxdesc	sis_rxdesc[SIS_RX_LIST_CNT];
480	struct sis_txdesc	sis_txdesc[SIS_TX_LIST_CNT];
481	int			sis_tx_prod;
482	int			sis_tx_cons;
483	int			sis_tx_cnt;
484	int			sis_rx_cons;
485	bus_addr_t		sis_rx_paddr;
486	bus_addr_t		sis_tx_paddr;
487	struct callout		sis_stat_ch;
488	int			sis_watchdog_timer;
489	int			sis_if_flags;
490#ifdef DEVICE_POLLING
491	int			rxcycles;
492#endif
493	struct mtx		sis_mtx;
494};
495
496#define SIS_TIMEOUT		1000
497#define ETHER_ALIGN		2
498#define SIS_RXLEN		1536
499#define SIS_MIN_FRAMELEN	60
500
501/*
502 * PCI low memory base and low I/O base register, and
503 * other PCI registers.
504 */
505
506#define SIS_PCI_VENDOR_ID	0x00
507#define SIS_PCI_DEVICE_ID	0x02
508#define SIS_PCI_COMMAND		0x04
509#define SIS_PCI_STATUS		0x06
510#define SIS_PCI_REVID		0x08
511#define SIS_PCI_CLASSCODE	0x09
512#define SIS_PCI_CACHELEN	0x0C
513#define SIS_PCI_LATENCY_TIMER	0x0D
514#define SIS_PCI_HEADER_TYPE	0x0E
515#define SIS_PCI_LOIO		0x10
516#define SIS_PCI_LOMEM		0x14
517#define SIS_PCI_BIOSROM		0x30
518#define SIS_PCI_INTLINE		0x3C
519#define SIS_PCI_INTPIN		0x3D
520#define SIS_PCI_MINGNT		0x3E
521#define SIS_PCI_MINLAT		0x0F
522#define SIS_PCI_RESETOPT	0x48
523#define SIS_PCI_EEPROM_DATA	0x4C
524
525/* power management registers */
526#define SIS_PCI_CAPID		0x50 /* 8 bits */
527#define SIS_PCI_NEXTPTR		0x51 /* 8 bits */
528#define SIS_PCI_PWRMGMTCAP	0x52 /* 16 bits */
529#define SIS_PCI_PWRMGMTCTRL	0x54 /* 16 bits */
530
531#define SIS_PSTATE_MASK		0x0003
532#define SIS_PSTATE_D0		0x0000
533#define SIS_PSTATE_D1		0x0001
534#define SIS_PSTATE_D2		0x0002
535#define SIS_PSTATE_D3		0x0003
536#define SIS_PME_EN		0x0010
537#define SIS_PME_STATUS		0x8000
538