1/*-
2 * SPDX-License-Identifier: BSD-4-Clause
3 *
4 * Copyright (c) 1997, 1998, 1999
5 *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by Bill Paul.
18 * 4. Neither the name of the author nor the names of any co-contributors
19 *    may be used to endorse or promote products derived from this software
20 *    without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32 * THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 * $FreeBSD$
35 */
36
37/*
38 * Registers for the Adaptec AIC-6915 Starfire. The Starfire has a 512K
39 * register space. These registers can be accessed in the following way:
40 * - PCI config registers are always accessible through PCI config space
41 * - Full 512K space mapped into memory using PCI memory mapped access
42 * - 256-byte I/O space mapped through PCI I/O access
43 * - Full 512K space mapped through indirect I/O using PCI I/O access
44 * It's possible to use either memory mapped mode or I/O mode to access
45 * the registers, but memory mapped is usually the easiest. All registers
46 * are 32 bits wide and must be accessed using 32-bit operations.
47 */
48
49/*
50 * Adaptec PCI vendor ID.
51 */
52#define AD_VENDORID		0x9004
53
54/*
55 * AIC-6915 PCI device ID.
56 */
57#define AD_DEVICEID_STARFIRE	0x6915
58
59/*
60 * AIC-6915 subsystem IDs. Adaptec uses the subsystem ID to identify
61 * the exact kind of NIC on which the ASIC is mounted. Currently there
62 * are six different variations. Note: the Adaptec manual lists code 0x28
63 * for two different NICs: the 62044 and the 69011/TX. This is a typo:
64 * the code for the 62044 is really 0x18.
65 *
66 * Note that there also appears to be an 0x19 code for a newer rev
67 * 62044 card.
68 */
69#define AD_SUBSYSID_62011_REV0	0x0008	/* single port 10/100baseTX 64-bit */
70#define AD_SUBSYSID_62011_REV1	0x0009	/* single port 10/100baseTX 64-bit */
71#define AD_SUBSYSID_62022	0x0010	/* dual port 10/100baseTX 64-bit */
72#define AD_SUBSYSID_62044_REV0	0x0018	/* quad port 10/100baseTX 64-bit */
73#define AD_SUBSYSID_62044_REV1	0x0019	/* quad port 10/100baseTX 64-bit */
74#define AD_SUBSYSID_62020	0x0020	/* single port 10/100baseFX 64-bit */
75#define AD_SUBSYSID_69011	0x0028	/* single port 10/100baseTX 32-bit */
76
77/*
78 * Starfire internal register space map. The entire register space
79 * is available using PCI memory mapped mode. The SF_RMAP_INTREG
80 * space is available using PCI I/O mode. The entire space can be
81 * accessed using indirect I/O using the indirect I/O addr and
82 * indirect I/O data registers located within the SF_RMAP_INTREG space.
83 */
84#define SF_RMAP_ROMADDR_BASE	0x00000	/* Expansion ROM space */
85#define SF_RMAP_ROMADDR_MAX	0x3FFFF
86
87#define SF_RMAP_EXGPIO_BASE	0x40000 /* External general purpose regs */
88#define SF_RMAP_EXGPIO_MAX	0x3FFFF
89
90#define SF_RMAP_INTREG_BASE	0x50000 /* Internal functional registers */
91#define SF_RMAP_INTREG_MAX	0x500FF
92#define SF_RMAP_GENREG_BASE	0x50100 /* General purpose registers */
93#define SF_RMAP_GENREG_MAX	0x5FFFF
94
95#define SF_RMAP_FIFO_BASE	0x60000
96#define SF_RMAP_FIFO_MAX	0x6FFFF
97
98#define SF_RMAP_STS_BASE	0x70000
99#define SF_RMAP_STS_MAX		0x70083
100
101#define SF_RMAP_RSVD_BASE	0x70084
102#define SF_RMAP_RSVD_MAX	0x7FFFF
103
104/*
105 * PCI config header registers, 0x0000 to 0x003F
106 */
107#define SF_PCI_VENDOR_ID	0x0000
108#define SF_PCI_DEVICE_ID	0x0002
109#define SF_PCI_COMMAND		0x0004
110#define SF_PCI_STATUS		0x0006
111#define SF_PCI_REVID		0x0008
112#define SF_PCI_CLASSCODE	0x0009
113#define SF_PCI_CACHELEN		0x000C
114#define SF_PCI_LATENCY_TIMER	0x000D
115#define SF_PCI_HEADER_TYPE	0x000E
116#define SF_PCI_LOMEM		0x0010
117#define SF_PCI_LOIO		0x0014
118#define SF_PCI_SUBVEN_ID	0x002C
119#define SF_PCI_SYBSYS_ID	0x002E
120#define SF_PCI_BIOSROM		0x0030
121#define SF_PCI_INTLINE		0x003C
122#define SF_PCI_INTPIN		0x003D
123#define SF_PCI_MINGNT		0x003E
124#define SF_PCI_MINLAT		0x003F
125
126/*
127 * PCI registers, 0x0040 to 0x006F
128 */
129#define SF_PCI_DEVCFG		0x0040
130#define SF_BACCTL		0x0044
131#define SF_PCI_MON1		0x0048
132#define SF_PCI_MON2		0x004C
133#define SF_PCI_CAPID		0x0050 /* 8 bits */
134#define SF_PCI_NEXTPTR		0x0051 /* 8 bits */
135#define SF_PCI_PWRMGMTCAP	0x0052 /* 16 bits */
136#define SF_PCI_PWRMGMTCTRL	0x0054 /* 16 bits */
137#define SF_PCI_PME_EVENT	0x0058
138#define SF_PCI_EECTL		0x0060
139#define SF_PCI_COMPLIANCE	0x0064
140#define SF_INDIRECTIO_ADDR	0x0068
141#define SF_INDIRECTIO_DATA	0x006C
142
143#define SF_PCIDEVCFG_RESET	0x00000001
144#define SF_PCIDEVCFG_FORCE64	0x00000002
145#define SF_PCIDEVCFG_SYSTEM64	0x00000004
146#define SF_PCIDEVCFG_RSVD0	0x00000008
147#define SF_PCIDEVCFG_INCR_INB	0x00000010
148#define SF_PCIDEVCFG_ABTONPERR	0x00000020
149#define SF_PCIDEVCFG_STPONPERR	0x00000040
150#define SF_PCIDEVCFG_MR_ENB	0x00000080
151#define SF_PCIDEVCFG_FIFOTHR	0x00000F00
152#define SF_PCIDEVCFG_STPONCA	0x00001000
153#define SF_PCIDEVCFG_PCIMEN	0x00002000	/* enable PCI bus master */
154#define SF_PCIDEVCFG_LATSTP	0x00004000
155#define SF_PCIDEVCFG_BYTE_ENB	0x00008000
156#define SF_PCIDEVCFG_EECSWIDTH	0x00070000
157#define SF_PCIDEVCFG_STPMWCA	0x00080000
158#define SF_PCIDEVCFG_REGCSWIDTH	0x00700000
159#define SF_PCIDEVCFG_INTR_ENB	0x00800000
160#define SF_PCIDEVCFG_DPR_ENB	0x01000000
161#define SF_PCIDEVCFG_RSVD1	0x02000000
162#define SF_PCIDEVCFG_RSVD2	0x04000000
163#define SF_PCIDEVCFG_STA_ENB	0x08000000
164#define SF_PCIDEVCFG_RTA_ENB	0x10000000
165#define SF_PCIDEVCFG_RMA_ENB	0x20000000
166#define SF_PCIDEVCFG_SSE_ENB	0x40000000
167#define SF_PCIDEVCFG_DPE_ENB	0x80000000
168
169#define SF_BACCTL_BACDMA_ENB	0x00000001
170#define SF_BACCTL_PREFER_RXDMA	0x00000002
171#define SF_BACCTL_PREFER_TXDMA	0x00000004
172#define SF_BACCTL_SINGLE_DMA	0x00000008
173#define SF_BACCTL_SWAPMODE_DATA	0x00000030
174#define SF_BACCTL_SWAPMODE_DESC	0x000000C0
175
176#define SF_SWAPMODE_LE		0x00000000
177#define SF_SWAPMODE_BE		0x00000010
178
179#define SF_PSTATE_MASK		0x0003
180#define SF_PSTATE_D0		0x0000
181#define SF_PSTATE_D1		0x0001
182#define SF_PSTATE_D2		0x0002
183#define SF_PSTATE_D3		0x0003
184#define SF_PME_EN		0x0010
185#define SF_PME_STATUS		0x8000
186
187
188/*
189 * Ethernet registers 0x0070 to 0x00FF
190 */
191#define SF_GEN_ETH_CTL		0x0070
192#define SF_TIMER_CTL		0x0074
193#define SF_CURTIME		0x0078
194#define SF_ISR			0x0080
195#define SF_ISR_SHADOW		0x0084
196#define SF_IMR			0x0088
197#define SF_GPIO			0x008C
198#define SF_TXDQ_CTL		0x0090
199#define SF_TXDQ_ADDR_HIPRIO	0x0094
200#define SF_TXDQ_ADDR_LOPRIO	0x0098
201#define SF_TXDQ_ADDR_HI		0x009C
202#define SF_TXDQ_PRODIDX		0x00A0
203#define SF_TXDQ_CONSIDX		0x00A4
204#define SF_TXDMA_STS1		0x00A8
205#define SF_TXDMA_STS2		0x00AC
206#define SF_TX_FRAMCTL		0x00B0
207#define SF_CQ_ADDR_HI		0x00B4
208#define SF_TXCQ_CTL		0x00B8
209#define SF_RXCQ_CTL_1		0x00BC
210#define SF_RXCQ_CTL_2		0x00C0
211#define SF_CQ_CONSIDX		0x00C4
212#define SF_CQ_PRODIDX		0x00C8
213#define SF_CQ_RXQ2		0x00CC
214#define SF_RXDMA_CTL		0x00D0
215#define SF_RXDQ_CTL_1		0x00D4
216#define SF_RXDQ_CTL_2		0x00D8
217#define SF_RXDQ_ADDR_HI		0x00DC
218#define SF_RXDQ_ADDR_Q1		0x00E0
219#define SF_RXDQ_ADDR_Q2		0x00E4
220#define SF_RXDQ_PTR_Q1		0x00E8
221#define SF_RXDQ_PTR_Q2		0x00EC
222#define SF_RXDMA_STS		0x00F0
223#define SF_RXFILT		0x00F4
224#define SF_RX_FRAMETEST_OUT	0x00F8
225
226/* Ethernet control register */
227#define SF_ETHCTL_RX_ENB	0x00000001
228#define SF_ETHCTL_TX_ENB	0x00000002
229#define SF_ETHCTL_RXDMA_ENB	0x00000004
230#define SF_ETHCTL_TXDMA_ENB	0x00000008
231#define SF_ETHCTL_RXGFP_ENB	0x00000010
232#define SF_ETHCTL_TXGFP_ENB	0x00000020
233#define SF_ETHCTL_SOFTINTR	0x00000800
234
235/* Timer control register */
236#define SF_TIMER_IMASK_INTERVAL	0x0000001F
237#define SF_TIMER_IMASK_MODE	0x00000060
238#define SF_TIMER_SMALLFRAME_BYP	0x00000100
239#define SF_TIMER_SMALLRX_FRAME	0x00000600
240#define SF_TIMER_TIMES_TEN	0x00000800
241#define SF_TIMER_RXHIPRIO_BYP	0x00001000
242#define SF_TIMER_TX_DMADONE_DLY	0x00002000
243#define SF_TIMER_TX_QDONE_DLY	0x00004000
244#define SF_TIMER_TX_FRDONE_DLY	0x00008000
245#define SF_TIMER_GENTIMER	0x00FF0000
246#define SF_TIMER_ONESHOT	0x01000000
247#define SF_TIMER_GENTIMER_RES	0x02000000
248#define SF_TIMER_TIMEST_RES	0x04000000
249#define SF_TIMER_RXQ2DONE_DLY	0x10000000
250#define SF_TIMER_EARLYRX2_DLY	0x20000000
251#define SF_TIMER_RXQ1DONE_DLY	0x40000000
252#define SF_TIMER_EARLYRX1_DLY	0x80000000
253
254/* Timer resolution is 0.8us * 128. */
255#define	SF_IM_MIN		0
256#define	SF_IM_MAX		0x1F	/* 3.276ms */
257#define	SF_IM_DEFAULT		1	/* 102.4us */
258
259/* Interrupt status register */
260#define SF_ISR_PCIINT_ASSERTED	0x00000001
261#define SF_ISR_GFP_TX		0x00000002
262#define SF_ISR_GFP_RX		0x00000004
263#define SF_ISR_TX_BADID_HIPRIO	0x00000008
264#define SF_ISR_TX_BADID_LOPRIO	0x00000010
265#define SF_ISR_NO_TX_CSUM	0x00000020
266#define SF_ISR_RXDQ2_NOBUFS	0x00000040
267#define SF_ISR_RXGFP_NORESP	0x00000080
268#define SF_ISR_RXDQ1_DMADONE	0x00000100
269#define SF_ISR_RXDQ2_DMADONE	0x00000200
270#define SF_ISR_RXDQ1_EARLY	0x00000400
271#define SF_ISR_RXDQ2_EARLY	0x00000800
272#define SF_ISR_TX_QUEUEDONE	0x00001000
273#define SF_ISR_TX_DMADONE	0x00002000
274#define SF_ISR_TX_TXDONE	0x00004000
275#define SF_ISR_NORMALINTR	0x00008000
276#define SF_ISR_RXDQ1_NOBUFS	0x00010000
277#define SF_ISR_RXCQ2_NOBUFS	0x00020000
278#define SF_ISR_TX_LOFIFO	0x00040000
279#define SF_ISR_DMAERR		0x00080000
280#define SF_ISR_PCIINT		0x00100000
281#define SF_ISR_TXCQ_NOBUFS	0x00200000
282#define SF_ISR_RXCQ1_NOBUFS	0x00400000
283#define SF_ISR_SOFTINTR		0x00800000
284#define SF_ISR_GENTIMER		0x01000000
285#define SF_ISR_ABNORMALINTR	0x02000000
286#define SF_ISR_RSVD0		0x04000000
287#define SF_ISR_STATSOFLOW	0x08000000
288#define SF_ISR_GPIO		0xF0000000
289
290/*
291 * Shadow interrupt status register. Unlike the normal IRQ register,
292 * reading bits here does not automatically cause them to reset.
293 */
294#define SF_SISR_PCIINT_ASSERTED	0x00000001
295#define SF_SISR_GFP_TX		0x00000002
296#define SF_SISR_GFP_RX		0x00000004
297#define SF_SISR_TX_BADID_HIPRIO	0x00000008
298#define SF_SISR_TX_BADID_LOPRIO	0x00000010
299#define SF_SISR_NO_TX_CSUM	0x00000020
300#define SF_SISR_RXDQ2_NOBUFS	0x00000040
301#define SF_SISR_RXGFP_NORESP	0x00000080
302#define SF_SISR_RXDQ1_DMADONE	0x00000100
303#define SF_SISR_RXDQ2_DMADONE	0x00000200
304#define SF_SISR_RXDQ1_EARLY	0x00000400
305#define SF_SISR_RXDQ2_EARLY	0x00000800
306#define SF_SISR_TX_QUEUEDONE	0x00001000
307#define SF_SISR_TX_DMADONE	0x00002000
308#define SF_SISR_TX_TXDONE	0x00004000
309#define SF_SISR_NORMALINTR	0x00008000
310#define SF_SISR_RXDQ1_NOBUFS	0x00010000
311#define SF_SISR_RXCQ2_NOBUFS	0x00020000
312#define SF_SISR_TX_LOFIFO	0x00040000
313#define SF_SISR_DMAERR		0x00080000
314#define SF_SISR_PCIINT		0x00100000
315#define SF_SISR_TXCQ_NOBUFS	0x00200000
316#define SF_SISR_RXCQ1_NOBUFS	0x00400000
317#define SF_SISR_SOFTINTR	0x00800000
318#define SF_SISR_GENTIMER	0x01000000
319#define SF_SISR_ABNORMALINTR	0x02000000
320#define SF_SISR_RSVD0		0x04000000
321#define SF_SISR_STATSOFLOW	0x08000000
322#define SF_SISR_GPIO		0xF0000000
323
324/* Interrupt mask register */
325#define SF_IMR_PCIINT_ASSERTED	0x00000001
326#define SF_IMR_GFP_TX		0x00000002
327#define SF_IMR_GFP_RX		0x00000004
328#define SF_IMR_TX_BADID_HIPRIO	0x00000008
329#define SF_IMR_TX_BADID_LOPRIO	0x00000010
330#define SF_IMR_NO_TX_CSUM	0x00000020
331#define SF_IMR_RXDQ2_NOBUFS	0x00000040
332#define SF_IMR_RXGFP_NORESP	0x00000080
333#define SF_IMR_RXDQ1_DMADONE	0x00000100
334#define SF_IMR_RXDQ2_DMADONE	0x00000200
335#define SF_IMR_RXDQ1_EARLY	0x00000400
336#define SF_IMR_RXDQ2_EARLY	0x00000800
337#define SF_IMR_TX_QUEUEDONE	0x00001000
338#define SF_IMR_TX_DMADONE	0x00002000
339#define SF_IMR_TX_TXDONE	0x00004000
340#define SF_IMR_NORMALINTR	0x00008000
341#define SF_IMR_RXDQ1_NOBUFS	0x00010000
342#define SF_IMR_RXCQ2_NOBUFS	0x00020000
343#define SF_IMR_TX_LOFIFO	0x00040000
344#define SF_IMR_DMAERR		0x00080000
345#define SF_IMR_PCIINT		0x00100000
346#define SF_IMR_TXCQ_NOBUFS	0x00200000
347#define SF_IMR_RXCQ1_NOBUFS	0x00400000
348#define SF_IMR_SOFTINTR		0x00800000
349#define SF_IMR_GENTIMER		0x01000000
350#define SF_IMR_ABNORMALINTR	0x02000000
351#define SF_IMR_RSVD0		0x04000000
352#define SF_IMR_STATSOFLOW	0x08000000
353#define SF_IMR_GPIO		0xF0000000
354
355#define SF_INTRS	\
356	(SF_IMR_RXDQ2_NOBUFS|SF_IMR_RXDQ1_DMADONE|SF_IMR_RXDQ2_DMADONE|	\
357	 SF_IMR_TX_DMADONE|SF_IMR_RXDQ1_NOBUFS|				\
358	 SF_IMR_NORMALINTR|SF_IMR_ABNORMALINTR|SF_IMR_TXCQ_NOBUFS|	\
359	 SF_IMR_RXCQ1_NOBUFS|SF_IMR_RXCQ2_NOBUFS|SF_IMR_STATSOFLOW|	\
360	 SF_IMR_TX_LOFIFO|SF_IMR_DMAERR|SF_IMR_RXGFP_NORESP|		\
361	 SF_IMR_NO_TX_CSUM)
362
363/* TX descriptor queue control registers */
364#define SF_TXDQCTL_DESCTYPE	0x00000007
365#define SF_TXDQCTL_NODMACMP	0x00000008
366#define SF_TXDQCTL_MINSPACE	0x00000070
367#define SF_TXDQCTL_64BITADDR	0x00000080
368#define SF_TXDQCTL_BURSTLEN	0x00003F00
369#define SF_TXDQCTL_SKIPLEN	0x001F0000
370#define SF_TXDQCTL_HIPRIOTHRESH	0xFF000000
371
372#define	SF_TXDMA_HIPRIO_THRESH	2
373#define	SF_TXDDMA_BURST		(128 / 32)
374
375#define SF_TXBUFDESC_TYPE0	0x00000000
376#define SF_TXBUFDESC_TYPE1	0x00000001
377#define SF_TXBUFDESC_TYPE2	0x00000002
378#define SF_TXBUFDESC_TYPE3	0x00000003
379#define SF_TXBUFDESC_TYPE4	0x00000004
380
381#define SF_TXMINSPACE_UNLIMIT	0x00000000
382#define SF_TXMINSPACE_32BYTES	0x00000010
383#define SF_TXMINSPACE_64BYTES	0x00000020
384#define SF_TXMINSPACE_128BYTES	0x00000030
385#define SF_TXMINSPACE_256BYTES	0x00000040
386
387#define SF_TXSKIPLEN_0BYTES	0x00000000
388#define SF_TXSKIPLEN_8BYTES	0x00010000
389#define SF_TXSKIPLEN_16BYTES	0x00020000
390#define SF_TXSKIPLEN_24BYTES	0x00030000
391#define SF_TXSKIPLEN_32BYTES	0x00040000
392
393/* TX frame control register */
394#define SF_TXFRMCTL_TXTHRESH	0x000000FF
395#define SF_TXFRMCTL_CPLAFTERTX	0x00000100
396#define SF_TXFRMCRL_DEBUG	0x0000FE00
397#define SF_TXFRMCTL_STATUS	0x01FF0000
398#define SF_TXFRMCTL_MAC_TXIF	0xFE000000
399
400/* TX completion queue control register */
401#define SF_TXCQ_THRESH		0x0000000F
402#define SF_TXCQ_COMMON		0x00000010
403#define SF_TXCQ_SIZE		0x00000020
404#define SF_TXCQ_WRITEENB	0x00000040
405#define SF_TXCQ_USE_64BIT	0x00000080
406#define SF_TXCQ_ADDR		0xFFFFFF00
407
408/* RX completion queue control register */
409#define SF_RXCQ_THRESH		0x0000000F
410#define SF_RXCQ_TYPE		0x00000030
411#define SF_RXCQ_WRITEENB	0x00000040
412#define SF_RXCQ_USE_64BIT	0x00000080
413#define SF_RXCQ_ADDR		0xFFFFFF00
414
415#define SF_RXCQTYPE_0		0x00000000
416#define SF_RXCQTYPE_1		0x00000010
417#define SF_RXCQTYPE_2		0x00000020
418#define SF_RXCQTYPE_3		0x00000030
419
420/* TX descriptor queue producer index register */
421#define SF_TXDQ_PRODIDX_LOPRIO	0x000007FF
422#define SF_TXDQ_PRODIDX_HIPRIO	0x07FF0000
423
424/* TX descriptor queue consumer index register */
425#define SF_TXDQ_CONSIDX_LOPRIO	0x000007FF
426#define SF_TXDQ_CONSIDX_HIPRIO	0x07FF0000
427
428/* Completion queue consumer index register */
429#define SF_CQ_CONSIDX_RXQ1	0x000003FF
430#define SF_CQ_CONSIDX_RXTHRMODE	0x00008000
431#define SF_CQ_CONSIDX_TXQ	0x03FF0000
432#define SF_CQ_CONSIDX_TXTHRMODE	0x80000000
433
434/* Completion queue producer index register */
435#define SF_CQ_PRODIDX_RXQ1	0x000003FF
436#define SF_CQ_PRODIDX_TXQ	0x03FF0000
437
438/* RX completion queue 2 consumer/producer index register */
439#define SF_CQ_RXQ2_CONSIDX	0x000003FF
440#define SF_CQ_RXQ2_RXTHRMODE	0x00008000
441#define SF_CQ_RXQ2_PRODIDX	0x03FF0000
442
443#define SF_CQ_RXTHRMODE_INT_ON	0x00008000
444#define SF_CQ_RXTHRMODE_INT_OFF	0x00000000
445#define SF_CQ_TXTHRMODE_INT_ON	0x80000000
446#define SF_CQ_TXTHRMODE_INT_OFF	0x00000000
447
448/* RX DMA control register */
449#define SF_RXDMA_BURSTSIZE	0x0000007F
450#define SF_RXDMA_FPTESTMODE	0x00000080
451#define SF_RXDMA_HIPRIOTHRESH	0x00000F00
452#define SF_RXDMA_RXEARLYTHRESH	0x0001F000
453#define SF_RXDMA_DMACRC		0x00040000
454#define SF_RXDMA_USEBKUPQUEUE	0x00080000
455#define SF_RXDMA_QUEUEMODE	0x00700000
456#define SF_RXDMA_RXCQ2_ON	0x00800000
457#define SF_RXDMA_CSUMMODE	0x03000000
458#define SF_RXDMA_DMAPAUSEPKTS	0x04000000
459#define SF_RXDMA_DMACTLPKTS	0x08000000
460#define SF_RXDMA_DMACRXERRPKTS	0x10000000
461#define SF_RXDMA_DMABADPKTS	0x20000000
462#define SF_RXDMA_DMARUNTS	0x40000000
463#define SF_RXDMA_REPORTBADPKTS	0x80000000
464#define	SF_RXDMA_HIGHPRIO_THRESH	6
465#define	SF_RXDMA_BURST		(64 / 32)
466
467#define SF_RXDQMODE_Q1ONLY	0x00100000
468#define SF_RXDQMODE_Q2_ON_FP	0x00200000
469#define SF_RXDQMODE_Q2_ON_SHORT	0x00300000
470#define SF_RXDQMODE_Q2_ON_PRIO	0x00400000
471#define SF_RXDQMODE_SPLITHDR	0x00500000
472
473#define SF_RXCSUMMODE_IGNORE	0x00000000
474#define SF_RXCSUMMODE_REJECT_BAD_TCP	0x01000000
475#define SF_RXCSUMMODE_REJECT_BAD_TCPUDP	0x02000000
476#define SF_RXCSUMMODE_RSVD	0x03000000
477
478/* RX descriptor queue control registers */
479#define SF_RXDQCTL_MINDESCTHR	0x0000007F
480#define SF_RXDQCTL_Q1_WE	0x00000080
481#define SF_RXDQCTL_DESCSPACE	0x00000700
482#define SF_RXDQCTL_64BITDADDR	0x00000800
483#define SF_RXDQCTL_64BITBADDR	0x00001000
484#define SF_RXDQCTL_VARIABLE	0x00002000
485#define SF_RXDQCTL_ENTRIES	0x00004000
486#define SF_RXDQCTL_PREFETCH	0x00008000
487#define SF_RXDQCTL_BUFLEN	0xFFFF0000
488
489#define SF_DESCSPACE_4BYTES	0x00000000
490#define SF_DESCSPACE_8BYTES	0x00000100
491#define SF_DESCSPACE_16BYTES	0x00000200
492#define SF_DESCSPACE_32BYTES	0x00000300
493#define SF_DESCSPACE_64BYTES	0x00000400
494#define SF_DESCSPACE_128_BYTES	0x00000500
495
496/* RX buffer consumer/producer index registers */
497#define SF_RXDQ_PRODIDX		0x000007FF
498#define SF_RXDQ_CONSIDX		0x07FF0000
499
500/* RX filter control register */
501#define SF_RXFILT_PROMISC	0x00000001
502#define SF_RXFILT_ALLMULTI	0x00000002
503#define SF_RXFILT_BROAD		0x00000004
504#define SF_RXFILT_HASHPRIO	0x00000008
505#define SF_RXFILT_HASHMODE	0x00000030
506#define SF_RXFILT_PERFMODE	0x000000C0
507#define SF_RXFILT_VLANMODE	0x00000300
508#define SF_RXFILT_WAKEMODE	0x00000C00
509#define SF_RXFILT_MULTI_NOBROAD	0x00001000
510#define SF_RXFILT_MIN_VLANPRIO	0x0000E000
511#define SF_RXFILT_PEFECTPRIO	0xFFFF0000
512
513/* Hash filtering mode */
514#define SF_HASHMODE_OFF		0x00000000
515#define SF_HASHMODE_WITHVLAN	0x00000010
516#define SF_HASHMODE_ANYVLAN	0x00000020
517#define SF_HASHMODE_ANY		0x00000030
518
519/* Perfect filtering mode */
520#define SF_PERFMODE_OFF		0x00000000
521#define SF_PERFMODE_NORMAL	0x00000040
522#define SF_PERFMODE_INVERSE	0x00000080
523#define SF_PERFMODE_VLAN	0x000000C0
524
525/* VLAN mode */
526#define SF_VLANMODE_OFF		0x00000000
527#define SF_VLANMODE_NOSTRIP	0x00000100
528#define SF_VLANMODE_STRIP	0x00000200
529#define SF_VLANMODE_RSVD	0x00000300
530
531/* Wakeup mode */
532#define SF_WAKEMODE_OFF		0x00000000
533#define SF_WAKEMODE_FILTER	0x00000400
534#define SF_WAKEMODE_FP		0x00000800
535#define SF_WAKEMODE_HIPRIO	0x00000C00
536
537/*
538 * Extra PCI registers 0x0100 to 0x0FFF
539 */
540#define SF_PCI_TARGSTAT		0x0100
541#define SF_PCI_MASTSTAT1	0x0104
542#define SF_PCI_MASTSTAT2	0x0108
543#define SF_PCI_DMAHOSTADDR_LO	0x010C
544#define SF_BAC_DMADIAG0		0x0110
545#define SF_BAC_DMADIAG1		0x0114
546#define SF_BAC_DMADIAG2		0x0118
547#define SF_BAC_DMADIAG3		0x011C
548#define SF_PAR0			0x0120
549#define SF_PAR1			0x0124
550#define SF_PCICB_FUNCEVENT	0x0130
551#define SF_PCICB_FUNCEVENT_MASK	0x0134
552#define SF_PCICB_FUNCSTATE	0x0138
553#define SF_PCICB_FUNCFORCE	0x013C
554
555/*
556 * Serial EEPROM registers 0x1000 to 0x1FFF
557 * Presumeably the EEPROM is mapped into this 8K window.
558 */
559#define SF_EEADDR_BASE		0x1000
560#define SF_EEADDR_MAX		0x1FFF
561
562#define SF_EE_NODEADDR		14
563
564/*
565 * MII registers registers 0x2000 to 0x3FFF
566 * There are 32 sets of 32 registers, one set for each possible
567 * PHY address. Each 32 bit register is split into a 16-bit data
568 * port and a couple of status bits.
569 */
570
571#define SF_MIIADDR_BASE		0x2000
572#define SF_MIIADDR_MAX		0x3FFF
573#define SF_MII_BLOCKS		32
574
575#define SF_MII_DATAVALID	0x80000000
576#define SF_MII_BUSY		0x40000000
577#define SF_MII_DATAPORT		0x0000FFFF
578
579#define SF_PHY_REG(phy, reg)						\
580	(SF_MIIADDR_BASE + ((phy) * SF_MII_BLOCKS * sizeof(uint32_t)) +	\
581	((reg) * sizeof(uint32_t)))
582
583/*
584 * Ethernet extra registers 0x4000 to 0x4FFF
585 */
586#define SF_TESTMODE		0x4000
587#define SF_RX_FRAMEPROC_CTL	0x4004
588#define SF_TX_FRAMEPROC_CTL	0x4008
589
590/*
591 * MAC registers 0x5000 to 0x5FFF
592 */
593#define SF_MACCFG_1		0x5000
594#define SF_MACCFG_2		0x5004
595#define SF_BKTOBKIPG		0x5008
596#define SF_NONBKTOBKIPG		0x500C
597#define SF_COLRETRY		0x5010
598#define SF_MAXLEN		0x5014
599#define SF_TXNIBBLECNT		0x5018
600#define SF_TXBYTECNT		0x501C
601#define SF_RETXCNT		0x5020
602#define SF_RANDNUM		0x5024
603#define SF_RANDNUM_MASK		0x5028
604#define SF_TOTALTXCNT		0x5034
605#define SF_RXBYTECNT		0x5040
606#define SF_TXPAUSETIMER		0x5060
607#define SF_VLANTYPE		0x5064
608#define SF_MIISTATUS		0x5070
609
610#define SF_MACCFG1_HUGEFRAMES	0x00000001
611#define SF_MACCFG1_FULLDUPLEX	0x00000002
612#define SF_MACCFG1_AUTOPAD	0x00000004
613#define SF_MACCFG1_HDJAM	0x00000008
614#define SF_MACCFG1_DELAYCRC	0x00000010
615#define SF_MACCFG1_NOBACKOFF	0x00000020
616#define SF_MACCFG1_LENGTHCHECK	0x00000040
617#define SF_MACCFG1_PUREPREAMBLE	0x00000080
618#define SF_MACCFG1_PASSALLRX	0x00000100
619#define SF_MACCFG1_PREAM_DETCNT	0x00000200
620#define SF_MACCFG1_RX_FLOWENB	0x00000400
621#define SF_MACCFG1_TX_FLOWENB	0x00000800
622#define SF_MACCFG1_TESTMODE	0x00003000
623#define SF_MACCFG1_MIILOOPBK	0x00004000
624#define SF_MACCFG1_SOFTRESET	0x00008000
625
626#define	SF_MACCFG2_AUTOVLANPAD	0x00000020
627
628/*
629 * There are the recommended IPG nibble counter settings
630 * specified in the Adaptec manual for full duplex and
631 * half duplex operation.
632 */
633#define SF_IPGT_FDX		0x15
634#define SF_IPGT_HDX		0x11
635
636/*
637 * RX filter registers 0x6000 to 0x6FFF
638 */
639#define SF_RXFILT_PERFECT_BASE	0x6000
640#define SF_RXFILT_PERFECT_MAX	0x60FF
641#define SF_RXFILT_PERFECT_SKIP	0x0010
642#define SF_RXFILT_PERFECT_CNT	0x0010
643
644#define SF_RXFILT_HASH_BASE	0x6100
645#define SF_RXFILT_HASH_MAX	0x62FF
646#define SF_RXFILT_HASH_SKIP	0x0010
647#define SF_RXFILT_HASH_CNT	0x001F
648#define SF_RXFILT_HASH_ADDROFF	0x0000
649#define SF_RXFILT_HASH_PRIOOFF	0x0004
650#define SF_RXFILT_HASH_VLANOFF	0x0008
651
652/*
653 * Statistics registers 0x7000 to 0x7FFF
654 */
655#define SF_STATS_BASE		0x7000
656#define SF_STATS_END		0x7FFF
657
658#define	SF_STATS_TX_FRAMES	0x0000
659#define	SF_STATS_TX_SINGLE_COL	0x0004
660#define	SF_STATS_TX_MULTI_COL	0x0008
661#define	SF_STATS_TX_CRC_ERRS	0x000C
662#define	SF_STATS_TX_BYTES	0x0010
663#define	SF_STATS_TX_DEFERRED	0x0014
664#define	SF_STATS_TX_LATE_COL	0x0018
665#define	SF_STATS_TX_PAUSE	0x001C
666#define	SF_STATS_TX_CTL_FRAME	0x0020
667#define	SF_STATS_TX_EXCESS_COL	0x0024
668#define	SF_STATS_TX_EXCESS_DEF	0x0028
669#define	SF_STATS_TX_MULTI	0x002C
670#define	SF_STATS_TX_BCAST	0x0030
671#define	SF_STATS_TX_FRAME_LOST	0x0034
672#define	SF_STATS_RX_FRAMES	0x0038
673#define	SF_STATS_RX_CRC_ERRS	0x003C
674#define	SF_STATS_RX_ALIGN_ERRS	0x0040
675#define	SF_STATS_RX_BYTES	0x0044
676#define	SF_STATS_RX_PAUSE	0x0048
677#define	SF_STATS_RX_CTL_FRAME	0x004C
678#define	SF_STATS_RX_UNSUP_FRAME	0x0050
679#define	SF_STATS_RX_GIANTS	0x0054
680#define	SF_STATS_RX_RUNTS	0x0058
681#define	SF_STATS_RX_JABBER	0x005C
682#define	SF_STATS_RX_FRAGMENTS	0x0060
683#define	SF_STATS_RX_64		0x0064
684#define	SF_STATS_RX_65_127	0x0068
685#define	SF_STATS_RX_128_255	0x006C
686#define	SF_STATS_RX_256_511	0x0070
687#define	SF_STATS_RX_512_1023	0x0074
688#define	SF_STATS_RX_1024_1518	0x0078
689#define	SF_STATS_RX_FRAME_LOST	0x007C
690#define	SF_STATS_TX_UNDERRUN	0x0080
691
692/*
693 * TX frame processor instruction space 0x8000 to 0x9FFF
694 */
695#define SF_TXGFP_MEM_BASE	0x8000
696#define SF_TXGFP_MEM_END	0x8FFF
697
698/* Number of bytes of an GFP instruction. */
699#define	SF_GFP_INST_BYTES	6
700/*
701 * RX frame processor instruction space 0xA000 to 0xBFFF
702 */
703#define SF_RXGFP_MEM_BASE	0xA000
704#define SF_RXGFP_MEM_END	0xBFFF
705
706/*
707 * Ethernet FIFO access space 0xC000 to 0xDFFF
708 */
709
710/*
711 * Reserved 0xE000 to 0xFFFF
712 */
713
714/*
715 * Descriptor data structures.
716 */
717
718/*
719 * RX buffer descriptor type 0, 32-bit addressing.
720 */
721struct sf_rx_bufdesc_type0 {
722	uint32_t		sf_addrlo;
723#define	SF_RX_DESC_VALID	0x00000001
724#define	SF_RX_DESC_END		0x00000002
725};
726
727/*
728 * RX buffer descriptor type 1, 64-bit addressing.
729 */
730struct sf_rx_bufdesc_type1 {
731	uint64_t		sf_addr;
732};
733
734/*
735 * RX completion descriptor, type 0 (short).
736 */
737struct sf_rx_cmpdesc_type0 {
738	uint32_t		sf_rx_status1;
739#define	SF_RX_CMPDESC_LEN	0x0000ffff
740#define	SF_RX_CMPDESC_EIDX	0x07ff0000
741#define	SF_RX_CMPDESC_STAT1	0x38000000
742#define	SF_RX_CMPDESC_ID	0x40000000
743};
744
745/*
746 * RX completion descriptor, type 1 (basic). Includes vlan ID
747 * if this is a vlan-addressed packet, plus extended status.
748 */
749struct sf_rx_cmpdesc_type1 {
750	uint32_t		sf_rx_status1;
751	uint32_t		sf_rx_status2;
752#define	SF_RX_CMPDESC_VLAN	0x0000ffff
753#define	SF_RX_CMPDESC_STAT2	0xffff0000
754};
755
756/*
757 * RX completion descriptor, type 2 (checksum). Includes partial TCP/IP
758 * checksum instead of vlan tag, plus extended status.
759 */
760struct sf_rx_cmpdesc_type2 {
761	uint32_t		sf_rx_status1;
762	uint32_t		sf_rx_status2;
763#define	SF_RX_CMPDESC_CSUM2	0x0000ffff
764};
765
766/*
767 * RX completion descriptor type 3 (full). Includes timestamp, partial
768 * TCP/IP checksum, vlan tag plus priority, two extended status fields.
769 */
770struct sf_rx_cmpdesc_type3 {
771	uint32_t		sf_rx_status1;
772	uint32_t		sf_rx_status2;
773	uint32_t		sf_rx_status3;
774#define	SF_RX_CMPDESC_CSUM3	0xffff0000
775#define	SF_RX_CMPDESC_VLANPRI	0x0000ffff
776	uint32_t		sf_rx_timestamp;
777};
778
779#define SF_RXSTAT1_QUEUE	0x08000000
780#define SF_RXSTAT1_FIFOFULL	0x10000000
781#define SF_RXSTAT1_OK		0x20000000
782
783#define SF_RXSTAT2_FRAMETYPE_MASK	0x00070000
784#define SF_RXSTAT2_FRAMETYPE_UNKN	0x00000000
785#define SF_RXSTAT2_FRAMETYPE_IPV4	0x00010000
786#define SF_RXSTAT2_FRAMETYPE_IPV6	0x00020000
787#define SF_RXSTAT2_FRAMETYPE_IPX	0x00030000
788#define SF_RXSTAT2_FRAMETYPE_ICMP	0x00040000
789#define SF_RXSTAT2_FRAMETYPE_UNSPRT	0x00050000
790#define SF_RXSTAT2_UDP		0x00080000
791#define SF_RXSTAT2_TCP		0x00100000
792#define SF_RXSTAT2_FRAG		0x00200000
793#define SF_RXSTAT2_PCSUM_OK	0x00400000	/* partial checksum ok */
794#define SF_RXSTAT2_CSUM_BAD	0x00800000	/* TCP/IP checksum bad */
795#define SF_RXSTAT2_CSUM_OK	0x01000000	/* TCP/IP checksum ok */
796#define SF_RXSTAT2_VLAN		0x02000000
797#define SF_RXSTAT2_BADRXCODE	0x04000000
798#define SF_RXSTAT2_DRIBBLE	0x08000000
799#define SF_RXSTAT2_ISL_CRCERR	0x10000000
800#define SF_RXSTAT2_CRCERR	0x20000000
801#define SF_RXSTAT2_HASH		0x40000000
802#define SF_RXSTAT2_PERFECT	0x80000000
803#define	SF_RXSTAT2_MASK		0xFFFF0000
804
805#define SF_RXSTAT3_ISL		0x00008000
806#define SF_RXSTAT3_PAUSE	0x00004000
807#define SF_RXSTAT3_CONTROL	0x00002000
808#define SF_RXSTAT3_HEADER	0x00001000
809#define SF_RXSTAT3_TRAILER	0x00000800
810#define	SF_RXSTAT3_START_IDX_MASK	0x000007FF
811
812struct sf_frag {
813	uint32_t		sf_addr;
814	uint16_t		sf_fraglen;
815	uint16_t		sf_pktlen;
816};
817
818struct sf_frag_msdos {
819	uint16_t		sf_pktlen;
820	uint16_t		sf_fraglen;
821	uint32_t		sf_addr;
822};
823
824/*
825 * TX frame descriptor type 0, 32-bit addressing. One descriptor can
826 * be used to map multiple packet fragments. Note that the number of
827 * fragments can be variable depending on how the descriptor spacing
828 * is specified in the TX descriptor queue control register.
829 * We always use a spacing of 128 bytes, and a skipfield length of 8
830 * bytes: this means 16 bytes for the descriptor, including the skipfield,
831 * with 121 bytes left for fragment maps. Each fragment requires 8 bytes,
832 * which allows for 14 fragments per descriptor. The total size of the
833 * transmit buffer queue is limited to 16384 bytes, so with a spacing of
834 * 128 bytes per descriptor, we have room for 128 descriptors in the queue.
835 */
836struct sf_tx_bufdesc_type0 {
837	uint32_t		sf_tx_ctrl;
838#define	SF_TX_DESC_CRCEN	0x01000000
839#define	SF_TX_DESC_CALTCP	0x02000000
840#define	SF_TX_DESC_END		0x04000000
841#define	SF_TX_DESC_INTR		0x08000000
842#define	SF_TX_DESC_ID		0xb0000000
843	uint32_t		sf_tx_frag;
844	/*
845	 * Depending on descriptor spacing/skip field length it
846	 * can have fixed number of struct sf_frag.
847	 * struct sf_frag		sf_frags[14];
848	 */
849};
850
851/*
852 * TX buffer descriptor type 1, 32-bit addressing. Each descriptor
853 * maps a single fragment.
854 */
855struct sf_tx_bufdesc_type1 {
856	uint32_t		sf_tx_ctrl;
857#define	SF_TX_DESC_FRAGLEN	0x0000ffff
858#define	SF_TX_DESC_FRAGCNT	0x00ff0000
859	uint32_t		sf_addrlo;
860};
861
862/*
863 * TX buffer descriptor type 2, 64-bit addressing. Each descriptor
864 * maps a single fragment.
865 */
866struct sf_tx_bufdesc_type2 {
867	uint32_t		sf_tx_ctrl;
868	uint32_t		sf_tx_reserved;
869	uint64_t		sf_addr;
870};
871
872/* TX buffer descriptor type 3 is not defined. */
873
874/*
875 * TX frame descriptor type 4, 32-bit addressing. This is a special
876 * case of the type 0 descriptor, identical except that the fragment
877 * address and length fields are ordered differently. This is done
878 * to optimize copies in MS-DOS and OS/2 drivers.
879 */
880struct sf_tx_bufdesc_type4 {
881	uint32_t		sf_tx_ctrl;
882	uint32_t		sf_tx_frag;
883	/*
884	 * Depending on descriptor spacing/skip field length it
885	 * can have fixed number of struct sf_frag_msdos.
886	 *
887	 * struct sf_frag_msdos		sf_frags[14];
888	 */
889};
890
891/*
892 * Transmit completion queue descriptor formats.
893 */
894
895/*
896 * Transmit DMA completion descriptor, type 0.
897 */
898#define SF_TXCMPTYPE_DMA	0x80000000
899#define SF_TXCMPTYPE_TX		0xa0000000
900struct sf_tx_cmpdesc_type0 {
901	uint32_t		sf_tx_status1;
902#define	SF_TX_CMPDESC_IDX	0x00007fff
903#define	SF_TX_CMPDESC_HIPRI	0x00008000
904#define	SF_TX_CMPDESC_STAT	0x1fff0000
905#define	SF_TX_CMPDESC_TYPE	0xe0000000
906};
907
908/*
909 * Transmit completion descriptor, type 1.
910 */
911struct sf_tx_cmpdesc_type1 {
912	uint32_t		sf_tx_status1;
913	uint32_t		sf_tx_status2;
914};
915
916#define SF_TXSTAT_CRCERR	0x00010000
917#define SF_TXSTAT_LENCHECKERR	0x00020000
918#define SF_TXSTAT_LENRANGEERR	0x00040000
919#define SF_TXSTAT_TX_OK		0x00080000
920#define SF_TXSTAT_TX_DEFERED	0x00100000
921#define SF_TXSTAT_EXCESS_DEFER	0x00200000
922#define SF_TXSTAT_EXCESS_COLL	0x00400000
923#define SF_TXSTAT_LATE_COLL	0x00800000
924#define SF_TXSTAT_TOOBIG	0x01000000
925#define SF_TXSTAT_TX_UNDERRUN	0x02000000
926#define SF_TXSTAT_CTLFRAME_OK	0x04000000
927#define SF_TXSTAT_PAUSEFRAME_OK	0x08000000
928#define SF_TXSTAT_PAUSED	0x10000000
929
930/* Statistics counters. */
931struct sf_stats {
932	uint64_t		sf_tx_frames;
933	uint32_t		sf_tx_single_colls;
934	uint32_t		sf_tx_multi_colls;
935	uint32_t		sf_tx_crcerrs;
936	uint64_t		sf_tx_bytes;
937	uint32_t		sf_tx_deferred;
938	uint32_t		sf_tx_late_colls;
939	uint32_t		sf_tx_pause_frames;
940	uint32_t		sf_tx_control_frames;
941	uint32_t		sf_tx_excess_colls;
942	uint32_t		sf_tx_excess_defer;
943	uint32_t		sf_tx_mcast_frames;
944	uint32_t		sf_tx_bcast_frames;
945	uint32_t		sf_tx_frames_lost;
946	uint64_t		sf_rx_frames;
947	uint32_t		sf_rx_crcerrs;
948	uint32_t		sf_rx_alignerrs;
949	uint64_t		sf_rx_bytes;
950	uint32_t		sf_rx_pause_frames;
951	uint32_t		sf_rx_control_frames;
952	uint32_t		sf_rx_unsup_control_frames;
953	uint32_t		sf_rx_giants;
954	uint32_t		sf_rx_runts;
955	uint32_t		sf_rx_jabbererrs;
956	uint32_t		sf_rx_fragments;
957	uint64_t		sf_rx_pkts_64;
958	uint64_t		sf_rx_pkts_65_127;
959	uint64_t		sf_rx_pkts_128_255;
960	uint64_t		sf_rx_pkts_256_511;
961	uint64_t		sf_rx_pkts_512_1023;
962	uint64_t		sf_rx_pkts_1024_1518;
963	uint32_t		sf_rx_frames_lost;
964	uint32_t		sf_tx_underruns;
965	uint32_t		sf_tx_gfp_stall;
966	uint32_t		sf_rx_gfp_stall;
967};
968
969/*
970 * register space access macros
971 */
972#define CSR_WRITE_4(sc, reg, val)	\
973	bus_write_4((sc)->sf_res, reg, val)
974
975#define CSR_READ_4(sc, reg)		\
976	bus_read_4((sc)->sf_res, reg)
977
978#define CSR_READ_1(sc, reg)		\
979	bus_read_1((sc)->sf_res, reg)
980
981
982struct sf_type {
983	uint16_t		sf_vid;
984	uint16_t		sf_did;
985	char			*sf_name;
986	uint16_t		sf_sdid;
987	char			*sf_sname;
988};
989
990/* Use Tx descriptor type 2 : 64bit buffer descriptor */
991#define	sf_tx_rdesc	sf_tx_bufdesc_type2
992/* Use Rx descriptor type 1 : 64bit buffer descriptor */
993#define	sf_rx_rdesc	sf_rx_bufdesc_type1
994/* Use Tx completion type 0 */
995#define	sf_tx_rcdesc	sf_tx_cmpdesc_type0
996/* Use Rx completion type 2  : checksum */
997#define	sf_rx_rcdesc	sf_rx_cmpdesc_type2
998
999#define SF_TX_DLIST_CNT		256
1000#define SF_RX_DLIST_CNT		256
1001#define SF_TX_CLIST_CNT		1024
1002#define SF_RX_CLIST_CNT		1024
1003#define	SF_TX_DLIST_SIZE	(sizeof(struct sf_tx_rdesc) * SF_TX_DLIST_CNT)
1004#define	SF_TX_CLIST_SIZE	(sizeof(struct sf_tx_rcdesc) * SF_TX_CLIST_CNT)
1005#define	SF_RX_DLIST_SIZE	(sizeof(struct sf_rx_rdesc) * SF_RX_DLIST_CNT)
1006#define	SF_RX_CLIST_SIZE	(sizeof(struct sf_rx_rcdesc) * SF_RX_CLIST_CNT)
1007#define	SF_RING_ALIGN		256
1008#define	SF_RX_ALIGN		sizeof(uint32_t)
1009#define	SF_MAXTXSEGS		16
1010
1011#define	SF_ADDR_LO(x)	((uint64_t)(x) & 0xffffffff)
1012#define	SF_ADDR_HI(x)	((uint64_t)(x) >> 32)
1013#define	SF_TX_DLIST_ADDR(sc, i)	\
1014    ((sc)->sf_rdata.sf_tx_ring_paddr + sizeof(struct sf_tx_rdesc) * (i))
1015#define	SF_TX_CLIST_ADDR(sc, i)	\
1016    ((sc)->sf_rdata.sf_tx_cring_paddr + sizeof(struct sf_tx_crdesc) * (i))
1017#define	SF_RX_DLIST_ADDR(sc, i)	\
1018    ((sc)->sf_rdata.sf_rx_ring_paddr + sizeof(struct sf_rx_rdesc) * (i))
1019#define	SF_RX_CLIST_ADDR(sc, i)	\
1020    ((sc)->sf_rdata.sf_rx_cring_paddr + sizeof(struct sf_rx_rcdesc) * (i))
1021
1022#define SF_INC(x, y)		(x) = ((x) + 1) % y
1023
1024#define	SF_MAX_FRAMELEN		1536
1025#define	SF_TX_THRESHOLD_UNIT	16
1026#define	SF_MAX_TX_THRESHOLD	(SF_MAX_FRAMELEN / SF_TX_THRESHOLD_UNIT)
1027#define	SF_MIN_TX_THRESHOLD	(128 / SF_TX_THRESHOLD_UNIT)
1028
1029struct sf_txdesc {
1030	struct mbuf		*tx_m;
1031	int			ndesc;
1032	bus_dmamap_t		tx_dmamap;
1033};
1034
1035struct sf_rxdesc {
1036	struct mbuf		*rx_m;
1037	bus_dmamap_t		rx_dmamap;
1038};
1039
1040struct sf_chain_data {
1041	bus_dma_tag_t		sf_parent_tag;
1042	bus_dma_tag_t		sf_tx_tag;
1043	struct sf_txdesc	sf_txdesc[SF_TX_DLIST_CNT];
1044	bus_dma_tag_t		sf_rx_tag;
1045	struct sf_rxdesc	sf_rxdesc[SF_RX_DLIST_CNT];
1046	bus_dma_tag_t		sf_tx_ring_tag;
1047	bus_dma_tag_t		sf_rx_ring_tag;
1048	bus_dma_tag_t		sf_tx_cring_tag;
1049	bus_dma_tag_t		sf_rx_cring_tag;
1050	bus_dmamap_t		sf_tx_ring_map;
1051	bus_dmamap_t		sf_rx_ring_map;
1052	bus_dmamap_t		sf_rx_sparemap;
1053	bus_dmamap_t		sf_tx_cring_map;
1054	bus_dmamap_t		sf_rx_cring_map;
1055	int			sf_tx_prod;
1056	int			sf_tx_cnt;
1057	int			sf_txc_cons;
1058	int			sf_rxc_cons;
1059};
1060
1061struct sf_ring_data {
1062	struct sf_tx_rdesc	*sf_tx_ring;
1063	bus_addr_t		sf_tx_ring_paddr;
1064	struct sf_tx_rcdesc	*sf_tx_cring;
1065	bus_addr_t		sf_tx_cring_paddr;
1066	struct sf_rx_rdesc	*sf_rx_ring;
1067	bus_addr_t		sf_rx_ring_paddr;
1068	struct sf_rx_rcdesc	*sf_rx_cring;
1069	bus_addr_t		sf_rx_cring_paddr;
1070};
1071
1072
1073struct sf_softc {
1074	struct ifnet		*sf_ifp;	/* interface info */
1075	device_t		sf_dev;		/* device info */
1076	void			*sf_intrhand;	/* interrupt handler cookie */
1077	struct resource		*sf_irq;	/* irq resource descriptor */
1078	struct resource		*sf_res;	/* mem/ioport resource */
1079	int			sf_restype;
1080	int			sf_rid;
1081	struct sf_type		*sf_info;	/* Starfire adapter info */
1082	device_t		sf_miibus;
1083	struct sf_chain_data	sf_cdata;
1084	struct sf_ring_data	sf_rdata;
1085	int			sf_if_flags;
1086	struct callout		sf_co;
1087	int			sf_watchdog_timer;
1088	int			sf_link;
1089	int			sf_suspended;
1090	int			sf_detach;
1091	uint32_t		sf_txthresh;
1092	int			sf_int_mod;
1093	struct sf_stats		sf_statistics;
1094	struct mtx		sf_mtx;
1095#ifdef DEVICE_POLLING
1096	int			rxcycles;
1097#endif /* DEVICE_POLLING */
1098};
1099
1100
1101#define	SF_LOCK(_sc)		mtx_lock(&(_sc)->sf_mtx)
1102#define	SF_UNLOCK(_sc)		mtx_unlock(&(_sc)->sf_mtx)
1103#define	SF_LOCK_ASSERT(_sc)	mtx_assert(&(_sc)->sf_mtx, MA_OWNED)
1104
1105#define SF_TIMEOUT	1000
1106