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