aic7xxx_pci.c revision 331722
1/*-
2 * Product specific probe and attach routines for:
3 *      3940, 2940, aic7895, aic7890, aic7880,
4 *	aic7870, aic7860 and aic7850 SCSI controllers
5 *
6 * Copyright (c) 1994-2001 Justin T. Gibbs.
7 * Copyright (c) 2000-2001 Adaptec Inc.
8 * All rights reserved.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions, and the following disclaimer,
15 *    without modification.
16 * 2. Redistributions in binary form must reproduce at minimum a disclaimer
17 *    substantially similar to the "NO WARRANTY" disclaimer below
18 *    ("Disclaimer") and any redistribution must be conditioned upon
19 *    including a substantially similar Disclaimer requirement for further
20 *    binary redistribution.
21 * 3. Neither the names of the above-listed copyright holders nor the names
22 *    of any contributors may be used to endorse or promote products derived
23 *    from this software without specific prior written permission.
24 *
25 * Alternatively, this software may be distributed under the terms of the
26 * GNU General Public License ("GPL") version 2 as published by the Free
27 * Software Foundation.
28 *
29 * NO WARRANTY
30 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
31 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
32 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR
33 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
34 * HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
35 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
36 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
37 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
38 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
39 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
40 * POSSIBILITY OF SUCH DAMAGES.
41 *
42 * $Id: //depot/aic7xxx/aic7xxx/aic7xxx_pci.c#78 $
43 */
44
45#ifdef __linux__
46#include "aic7xxx_osm.h"
47#include "aic7xxx_inline.h"
48#include "aic7xxx_93cx6.h"
49#else
50#include <sys/cdefs.h>
51__FBSDID("$FreeBSD: stable/11/sys/dev/aic7xxx/aic7xxx_pci.c 331722 2018-03-29 02:50:57Z eadler $");
52#include <dev/aic7xxx/aic7xxx_osm.h>
53#include <dev/aic7xxx/aic7xxx_inline.h>
54#include <dev/aic7xxx/aic7xxx_93cx6.h>
55#endif
56
57static __inline uint64_t
58ahc_compose_id(u_int device, u_int vendor, u_int subdevice, u_int subvendor)
59{
60	uint64_t id;
61
62	id = subvendor
63	   | (subdevice << 16)
64	   | ((uint64_t)vendor << 32)
65	   | ((uint64_t)device << 48);
66
67	return (id);
68}
69
70#define ID_ALL_MASK			0xFFFFFFFFFFFFFFFFull
71#define ID_DEV_VENDOR_MASK		0xFFFFFFFF00000000ull
72#define ID_9005_GENERIC_MASK		0xFFF0FFFF00000000ull
73#define ID_9005_SISL_MASK		0x000FFFFF00000000ull
74#define ID_9005_SISL_ID			0x0005900500000000ull
75#define ID_AIC7850			0x5078900400000000ull
76#define ID_AHA_2902_04_10_15_20C_30C	0x5078900478509004ull
77#define ID_AIC7855			0x5578900400000000ull
78#define ID_AIC7859			0x3860900400000000ull
79#define ID_AHA_2930CU			0x3860900438699004ull
80#define ID_AIC7860			0x6078900400000000ull
81#define ID_AIC7860C			0x6078900478609004ull
82#define ID_AHA_1480A			0x6075900400000000ull
83#define ID_AHA_2940AU_0			0x6178900400000000ull
84#define ID_AHA_2940AU_1			0x6178900478619004ull
85#define ID_AHA_2940AU_CN		0x2178900478219004ull
86#define ID_AHA_2930C_VAR		0x6038900438689004ull
87
88#define ID_AIC7870			0x7078900400000000ull
89#define ID_AHA_2940			0x7178900400000000ull
90#define ID_AHA_3940			0x7278900400000000ull
91#define ID_AHA_398X			0x7378900400000000ull
92#define ID_AHA_2944			0x7478900400000000ull
93#define ID_AHA_3944			0x7578900400000000ull
94#define ID_AHA_4944			0x7678900400000000ull
95
96#define ID_AIC7880			0x8078900400000000ull
97#define ID_AIC7880_B			0x8078900478809004ull
98#define ID_AHA_2940U			0x8178900400000000ull
99#define ID_AHA_3940U			0x8278900400000000ull
100#define ID_AHA_2944U			0x8478900400000000ull
101#define ID_AHA_3944U			0x8578900400000000ull
102#define ID_AHA_398XU			0x8378900400000000ull
103#define ID_AHA_4944U			0x8678900400000000ull
104#define ID_AHA_2940UB			0x8178900478819004ull
105#define ID_AHA_2930U			0x8878900478889004ull
106#define ID_AHA_2940U_PRO		0x8778900478879004ull
107#define ID_AHA_2940U_CN			0x0078900478009004ull
108
109#define ID_AIC7895			0x7895900478959004ull
110#define ID_AIC7895_ARO			0x7890900478939004ull
111#define ID_AIC7895_ARO_MASK		0xFFF0FFFFFFFFFFFFull
112#define ID_AHA_2940U_DUAL		0x7895900478919004ull
113#define ID_AHA_3940AU			0x7895900478929004ull
114#define ID_AHA_3944AU			0x7895900478949004ull
115
116#define ID_AIC7890			0x001F9005000F9005ull
117#define ID_AIC7890_ARO			0x00139005000F9005ull
118#define ID_AAA_131U2			0x0013900500039005ull
119#define ID_AHA_2930U2			0x0011900501819005ull
120#define ID_AHA_2940U2B			0x00109005A1009005ull
121#define ID_AHA_2940U2_OEM		0x0010900521809005ull
122#define ID_AHA_2940U2			0x00109005A1809005ull
123#define ID_AHA_2950U2B			0x00109005E1009005ull
124
125#define ID_AIC7892			0x008F9005FFFF9005ull
126#define ID_AIC7892_ARO			0x00839005FFFF9005ull
127#define ID_AHA_29160			0x00809005E2A09005ull
128#define ID_AHA_29160_CPQ		0x00809005E2A00E11ull
129#define ID_AHA_29160N			0x0080900562A09005ull
130#define ID_AHA_29160C			0x0080900562209005ull
131#define ID_AHA_29160B			0x00809005E2209005ull
132#define ID_AHA_19160B			0x0081900562A19005ull
133#define ID_AHA_2915_30LP		0x0082900502109005ull
134
135#define ID_AIC7896			0x005F9005FFFF9005ull
136#define ID_AIC7896_ARO			0x00539005FFFF9005ull
137#define ID_AHA_3950U2B_0		0x00509005FFFF9005ull
138#define ID_AHA_3950U2B_1		0x00509005F5009005ull
139#define ID_AHA_3950U2D_0		0x00519005FFFF9005ull
140#define ID_AHA_3950U2D_1		0x00519005B5009005ull
141
142#define ID_AIC7899			0x00CF9005FFFF9005ull
143#define ID_AIC7899_ARO			0x00C39005FFFF9005ull
144#define ID_AHA_3960D			0x00C09005F6209005ull
145#define ID_AHA_3960D_CPQ		0x00C09005F6200E11ull
146
147#define ID_AIC7810			0x1078900400000000ull
148#define ID_AIC7815			0x7815900400000000ull
149
150#define DEVID_9005_TYPE(id) ((id) & 0xF)
151#define		DEVID_9005_TYPE_HBA		0x0	/* Standard Card */
152#define		DEVID_9005_TYPE_AAA		0x3	/* RAID Card */
153#define		DEVID_9005_TYPE_SISL		0x5	/* Container ROMB */
154#define		DEVID_9005_TYPE_MB		0xF	/* On Motherboard */
155
156#define DEVID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
157#define		DEVID_9005_MAXRATE_U160		0x0
158#define		DEVID_9005_MAXRATE_ULTRA2	0x1
159#define		DEVID_9005_MAXRATE_ULTRA	0x2
160#define		DEVID_9005_MAXRATE_FAST		0x3
161
162#define DEVID_9005_MFUNC(id) (((id) & 0x40) >> 6)
163
164#define DEVID_9005_CLASS(id) (((id) & 0xFF00) >> 8)
165#define		DEVID_9005_CLASS_SPI		0x0	/* Parallel SCSI */
166
167#define SUBID_9005_TYPE(id) ((id) & 0xF)
168#define		SUBID_9005_TYPE_MB		0xF	/* On Motherboard */
169#define		SUBID_9005_TYPE_CARD		0x0	/* Standard Card */
170#define		SUBID_9005_TYPE_LCCARD		0x1	/* Low Cost Card */
171#define		SUBID_9005_TYPE_RAID		0x3	/* Combined with Raid */
172
173#define SUBID_9005_TYPE_KNOWN(id)			\
174	  ((((id) & 0xF) == SUBID_9005_TYPE_MB)		\
175	|| (((id) & 0xF) == SUBID_9005_TYPE_CARD)	\
176	|| (((id) & 0xF) == SUBID_9005_TYPE_LCCARD)	\
177	|| (((id) & 0xF) == SUBID_9005_TYPE_RAID))
178
179#define SUBID_9005_MAXRATE(id) (((id) & 0x30) >> 4)
180#define		SUBID_9005_MAXRATE_ULTRA2	0x0
181#define		SUBID_9005_MAXRATE_ULTRA	0x1
182#define		SUBID_9005_MAXRATE_U160		0x2
183#define		SUBID_9005_MAXRATE_RESERVED	0x3
184
185#define SUBID_9005_SEEPTYPE(id)						\
186	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
187	 ? ((id) & 0xC0) >> 6						\
188	 : ((id) & 0x300) >> 8)
189#define		SUBID_9005_SEEPTYPE_NONE	0x0
190#define		SUBID_9005_SEEPTYPE_1K		0x1
191#define		SUBID_9005_SEEPTYPE_2K_4K	0x2
192#define		SUBID_9005_SEEPTYPE_RESERVED	0x3
193#define SUBID_9005_AUTOTERM(id)						\
194	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
195	 ? (((id) & 0x400) >> 10) == 0					\
196	 : (((id) & 0x40) >> 6) == 0)
197
198#define SUBID_9005_NUMCHAN(id)						\
199	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
200	 ? ((id) & 0x300) >> 8						\
201	 : ((id) & 0xC00) >> 10)
202
203#define SUBID_9005_LEGACYCONN(id)					\
204	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
205	 ? 0								\
206	 : ((id) & 0x80) >> 7)
207
208#define SUBID_9005_MFUNCENB(id)						\
209	((SUBID_9005_TYPE(id) == SUBID_9005_TYPE_MB)			\
210	 ? ((id) & 0x800) >> 11						\
211	 : ((id) & 0x1000) >> 12)
212/*
213 * Informational only. Should use chip register to be
214 * certain, but may be use in identification strings.
215 */
216#define SUBID_9005_CARD_SCSIWIDTH_MASK	0x2000
217#define SUBID_9005_CARD_PCIWIDTH_MASK	0x4000
218#define SUBID_9005_CARD_SEDIFF_MASK	0x8000
219
220static ahc_device_setup_t ahc_aic785X_setup;
221static ahc_device_setup_t ahc_aic7860_setup;
222static ahc_device_setup_t ahc_apa1480_setup;
223static ahc_device_setup_t ahc_aic7870_setup;
224static ahc_device_setup_t ahc_aha394X_setup;
225static ahc_device_setup_t ahc_aha494X_setup;
226static ahc_device_setup_t ahc_aha398X_setup;
227static ahc_device_setup_t ahc_aic7880_setup;
228static ahc_device_setup_t ahc_aha2940Pro_setup;
229static ahc_device_setup_t ahc_aha394XU_setup;
230static ahc_device_setup_t ahc_aha398XU_setup;
231static ahc_device_setup_t ahc_aic7890_setup;
232static ahc_device_setup_t ahc_aic7892_setup;
233static ahc_device_setup_t ahc_aic7895_setup;
234static ahc_device_setup_t ahc_aic7896_setup;
235static ahc_device_setup_t ahc_aic7899_setup;
236static ahc_device_setup_t ahc_aha29160C_setup;
237static ahc_device_setup_t ahc_raid_setup;
238static ahc_device_setup_t ahc_aha394XX_setup;
239static ahc_device_setup_t ahc_aha494XX_setup;
240static ahc_device_setup_t ahc_aha398XX_setup;
241
242struct ahc_pci_identity ahc_pci_ident_table [] =
243{
244	/* aic7850 based controllers */
245	{
246		ID_AHA_2902_04_10_15_20C_30C,
247		ID_ALL_MASK,
248		"Adaptec 2902/04/10/15/20C/30C SCSI adapter",
249		ahc_aic785X_setup
250	},
251	/* aic7860 based controllers */
252	{
253		ID_AHA_2930CU,
254		ID_ALL_MASK,
255		"Adaptec 2930CU SCSI adapter",
256		ahc_aic7860_setup
257	},
258	{
259		ID_AHA_1480A & ID_DEV_VENDOR_MASK,
260		ID_DEV_VENDOR_MASK,
261		"Adaptec 1480A Ultra SCSI adapter",
262		ahc_apa1480_setup
263	},
264	{
265		ID_AHA_2940AU_0 & ID_DEV_VENDOR_MASK,
266		ID_DEV_VENDOR_MASK,
267		"Adaptec 2940A Ultra SCSI adapter",
268		ahc_aic7860_setup
269	},
270	{
271		ID_AHA_2940AU_CN & ID_DEV_VENDOR_MASK,
272		ID_DEV_VENDOR_MASK,
273		"Adaptec 2940A/CN Ultra SCSI adapter",
274		ahc_aic7860_setup
275	},
276	{
277		ID_AHA_2930C_VAR & ID_DEV_VENDOR_MASK,
278		ID_DEV_VENDOR_MASK,
279		"Adaptec 2930C Ultra SCSI adapter (VAR)",
280		ahc_aic7860_setup
281	},
282	/* aic7870 based controllers */
283	{
284		ID_AHA_2940,
285		ID_ALL_MASK,
286		"Adaptec 2940 SCSI adapter",
287		ahc_aic7870_setup
288	},
289	{
290		ID_AHA_3940,
291		ID_ALL_MASK,
292		"Adaptec 3940 SCSI adapter",
293		ahc_aha394X_setup
294	},
295	{
296		ID_AHA_398X,
297		ID_ALL_MASK,
298		"Adaptec 398X SCSI RAID adapter",
299		ahc_aha398X_setup
300	},
301	{
302		ID_AHA_2944,
303		ID_ALL_MASK,
304		"Adaptec 2944 SCSI adapter",
305		ahc_aic7870_setup
306	},
307	{
308		ID_AHA_3944,
309		ID_ALL_MASK,
310		"Adaptec 3944 SCSI adapter",
311		ahc_aha394X_setup
312	},
313	{
314		ID_AHA_4944,
315		ID_ALL_MASK,
316		"Adaptec 4944 SCSI adapter",
317		ahc_aha494X_setup
318	},
319	/* aic7880 based controllers */
320	{
321		ID_AHA_2940U & ID_DEV_VENDOR_MASK,
322		ID_DEV_VENDOR_MASK,
323		"Adaptec 2940 Ultra SCSI adapter",
324		ahc_aic7880_setup
325	},
326	{
327		ID_AHA_3940U & ID_DEV_VENDOR_MASK,
328		ID_DEV_VENDOR_MASK,
329		"Adaptec 3940 Ultra SCSI adapter",
330		ahc_aha394XU_setup
331	},
332	{
333		ID_AHA_2944U & ID_DEV_VENDOR_MASK,
334		ID_DEV_VENDOR_MASK,
335		"Adaptec 2944 Ultra SCSI adapter",
336		ahc_aic7880_setup
337	},
338	{
339		ID_AHA_3944U & ID_DEV_VENDOR_MASK,
340		ID_DEV_VENDOR_MASK,
341		"Adaptec 3944 Ultra SCSI adapter",
342		ahc_aha394XU_setup
343	},
344	{
345		ID_AHA_398XU & ID_DEV_VENDOR_MASK,
346		ID_DEV_VENDOR_MASK,
347		"Adaptec 398X Ultra SCSI RAID adapter",
348		ahc_aha398XU_setup
349	},
350	{
351		/*
352		 * XXX Don't know the slot numbers
353		 * so we can't identify channels
354		 */
355		ID_AHA_4944U & ID_DEV_VENDOR_MASK,
356		ID_DEV_VENDOR_MASK,
357		"Adaptec 4944 Ultra SCSI adapter",
358		ahc_aic7880_setup
359	},
360	{
361		ID_AHA_2930U & ID_DEV_VENDOR_MASK,
362		ID_DEV_VENDOR_MASK,
363		"Adaptec 2930 Ultra SCSI adapter",
364		ahc_aic7880_setup
365	},
366	{
367		ID_AHA_2940U_PRO & ID_DEV_VENDOR_MASK,
368		ID_DEV_VENDOR_MASK,
369		"Adaptec 2940 Pro Ultra SCSI adapter",
370		ahc_aha2940Pro_setup
371	},
372	{
373		ID_AHA_2940U_CN & ID_DEV_VENDOR_MASK,
374		ID_DEV_VENDOR_MASK,
375		"Adaptec 2940/CN Ultra SCSI adapter",
376		ahc_aic7880_setup
377	},
378	/* Ignore all SISL (AAC on MB) based controllers. */
379	{
380		ID_9005_SISL_ID,
381		ID_9005_SISL_MASK,
382		NULL,
383		NULL
384	},
385	/* aic7890 based controllers */
386	{
387		ID_AHA_2930U2,
388		ID_ALL_MASK,
389		"Adaptec 2930 Ultra2 SCSI adapter",
390		ahc_aic7890_setup
391	},
392	{
393		ID_AHA_2940U2B,
394		ID_ALL_MASK,
395		"Adaptec 2940B Ultra2 SCSI adapter",
396		ahc_aic7890_setup
397	},
398	{
399		ID_AHA_2940U2_OEM,
400		ID_ALL_MASK,
401		"Adaptec 2940 Ultra2 SCSI adapter (OEM)",
402		ahc_aic7890_setup
403	},
404	{
405		ID_AHA_2940U2,
406		ID_ALL_MASK,
407		"Adaptec 2940 Ultra2 SCSI adapter",
408		ahc_aic7890_setup
409	},
410	{
411		ID_AHA_2950U2B,
412		ID_ALL_MASK,
413		"Adaptec 2950 Ultra2 SCSI adapter",
414		ahc_aic7890_setup
415	},
416	{
417		ID_AIC7890_ARO,
418		ID_ALL_MASK,
419		"Adaptec aic7890/91 Ultra2 SCSI adapter (ARO)",
420		ahc_aic7890_setup
421	},
422	{
423		ID_AAA_131U2,
424		ID_ALL_MASK,
425		"Adaptec AAA-131 Ultra2 RAID adapter",
426		ahc_aic7890_setup
427	},
428	/* aic7892 based controllers */
429	{
430		ID_AHA_29160,
431		ID_ALL_MASK,
432		"Adaptec 29160 Ultra160 SCSI adapter",
433		ahc_aic7892_setup
434	},
435	{
436		ID_AHA_29160_CPQ,
437		ID_ALL_MASK,
438		"Adaptec (Compaq OEM) 29160 Ultra160 SCSI adapter",
439		ahc_aic7892_setup
440	},
441	{
442		ID_AHA_29160N,
443		ID_ALL_MASK,
444		"Adaptec 29160N Ultra160 SCSI adapter",
445		ahc_aic7892_setup
446	},
447	{
448		ID_AHA_29160C,
449		ID_ALL_MASK,
450		"Adaptec 29160C Ultra160 SCSI adapter",
451		ahc_aha29160C_setup
452	},
453	{
454		ID_AHA_29160B,
455		ID_ALL_MASK,
456		"Adaptec 29160B Ultra160 SCSI adapter",
457		ahc_aic7892_setup
458	},
459	{
460		ID_AHA_19160B,
461		ID_ALL_MASK,
462		"Adaptec 19160B Ultra160 SCSI adapter",
463		ahc_aic7892_setup
464	},
465	{
466		ID_AIC7892_ARO,
467		ID_ALL_MASK,
468		"Adaptec aic7892 Ultra160 SCSI adapter (ARO)",
469		ahc_aic7892_setup
470	},
471	{
472		ID_AHA_2915_30LP,
473		ID_ALL_MASK,
474		"Adaptec 2915/30LP Ultra160 SCSI adapter",
475		ahc_aic7892_setup
476	},
477	/* aic7895 based controllers */
478	{
479		ID_AHA_2940U_DUAL,
480		ID_ALL_MASK,
481		"Adaptec 2940/DUAL Ultra SCSI adapter",
482		ahc_aic7895_setup
483	},
484	{
485		ID_AHA_3940AU,
486		ID_ALL_MASK,
487		"Adaptec 3940A Ultra SCSI adapter",
488		ahc_aic7895_setup
489	},
490	{
491		ID_AHA_3944AU,
492		ID_ALL_MASK,
493		"Adaptec 3944A Ultra SCSI adapter",
494		ahc_aic7895_setup
495	},
496	{
497		ID_AIC7895_ARO,
498		ID_AIC7895_ARO_MASK,
499		"Adaptec aic7895 Ultra SCSI adapter (ARO)",
500		ahc_aic7895_setup
501	},
502	/* aic7896/97 based controllers */
503	{
504		ID_AHA_3950U2B_0,
505		ID_ALL_MASK,
506		"Adaptec 3950B Ultra2 SCSI adapter",
507		ahc_aic7896_setup
508	},
509	{
510		ID_AHA_3950U2B_1,
511		ID_ALL_MASK,
512		"Adaptec 3950B Ultra2 SCSI adapter",
513		ahc_aic7896_setup
514	},
515	{
516		ID_AHA_3950U2D_0,
517		ID_ALL_MASK,
518		"Adaptec 3950D Ultra2 SCSI adapter",
519		ahc_aic7896_setup
520	},
521	{
522		ID_AHA_3950U2D_1,
523		ID_ALL_MASK,
524		"Adaptec 3950D Ultra2 SCSI adapter",
525		ahc_aic7896_setup
526	},
527	{
528		ID_AIC7896_ARO,
529		ID_ALL_MASK,
530		"Adaptec aic7896/97 Ultra2 SCSI adapter (ARO)",
531		ahc_aic7896_setup
532	},
533	/* aic7899 based controllers */
534	{
535		ID_AHA_3960D,
536		ID_ALL_MASK,
537		"Adaptec 3960D Ultra160 SCSI adapter",
538		ahc_aic7899_setup
539	},
540	{
541		ID_AHA_3960D_CPQ,
542		ID_ALL_MASK,
543		"Adaptec (Compaq OEM) 3960D Ultra160 SCSI adapter",
544		ahc_aic7899_setup
545	},
546	{
547		ID_AIC7899_ARO,
548		ID_ALL_MASK,
549		"Adaptec aic7899 Ultra160 SCSI adapter (ARO)",
550		ahc_aic7899_setup
551	},
552	/* Generic chip probes for devices we don't know 'exactly' */
553	{
554		ID_AIC7850 & ID_DEV_VENDOR_MASK,
555		ID_DEV_VENDOR_MASK,
556		"Adaptec aic7850 SCSI adapter",
557		ahc_aic785X_setup
558	},
559	{
560		ID_AIC7855 & ID_DEV_VENDOR_MASK,
561		ID_DEV_VENDOR_MASK,
562		"Adaptec aic7855 SCSI adapter",
563		ahc_aic785X_setup
564	},
565	{
566		ID_AIC7859 & ID_DEV_VENDOR_MASK,
567		ID_DEV_VENDOR_MASK,
568		"Adaptec aic7859 SCSI adapter",
569		ahc_aic7860_setup
570	},
571	{
572		ID_AIC7860 & ID_DEV_VENDOR_MASK,
573		ID_DEV_VENDOR_MASK,
574		"Adaptec aic7860 Ultra SCSI adapter",
575		ahc_aic7860_setup
576	},
577	{
578		ID_AIC7870 & ID_DEV_VENDOR_MASK,
579		ID_DEV_VENDOR_MASK,
580		"Adaptec aic7870 SCSI adapter",
581		ahc_aic7870_setup
582	},
583	{
584		ID_AIC7880 & ID_DEV_VENDOR_MASK,
585		ID_DEV_VENDOR_MASK,
586		"Adaptec aic7880 Ultra SCSI adapter",
587		ahc_aic7880_setup
588	},
589	{
590		ID_AIC7890 & ID_9005_GENERIC_MASK,
591		ID_9005_GENERIC_MASK,
592		"Adaptec aic7890/91 Ultra2 SCSI adapter",
593		ahc_aic7890_setup
594	},
595	{
596		ID_AIC7892 & ID_9005_GENERIC_MASK,
597		ID_9005_GENERIC_MASK,
598		"Adaptec aic7892 Ultra160 SCSI adapter",
599		ahc_aic7892_setup
600	},
601	{
602		ID_AIC7895 & ID_DEV_VENDOR_MASK,
603		ID_DEV_VENDOR_MASK,
604		"Adaptec aic7895 Ultra SCSI adapter",
605		ahc_aic7895_setup
606	},
607	{
608		ID_AIC7896 & ID_9005_GENERIC_MASK,
609		ID_9005_GENERIC_MASK,
610		"Adaptec aic7896/97 Ultra2 SCSI adapter",
611		ahc_aic7896_setup
612	},
613	{
614		ID_AIC7899 & ID_9005_GENERIC_MASK,
615		ID_9005_GENERIC_MASK,
616		"Adaptec aic7899 Ultra160 SCSI adapter",
617		ahc_aic7899_setup
618	},
619	{
620		ID_AIC7810 & ID_DEV_VENDOR_MASK,
621		ID_DEV_VENDOR_MASK,
622		"Adaptec aic7810 RAID memory controller",
623		ahc_raid_setup
624	},
625	{
626		ID_AIC7815 & ID_DEV_VENDOR_MASK,
627		ID_DEV_VENDOR_MASK,
628		"Adaptec aic7815 RAID memory controller",
629		ahc_raid_setup
630	}
631};
632
633const u_int ahc_num_pci_devs = NUM_ELEMENTS(ahc_pci_ident_table);
634
635#define AHC_394X_SLOT_CHANNEL_A	4
636#define AHC_394X_SLOT_CHANNEL_B	5
637
638#define AHC_398X_SLOT_CHANNEL_A	4
639#define AHC_398X_SLOT_CHANNEL_B	8
640#define AHC_398X_SLOT_CHANNEL_C	12
641
642#define AHC_494X_SLOT_CHANNEL_A	4
643#define AHC_494X_SLOT_CHANNEL_B	5
644#define AHC_494X_SLOT_CHANNEL_C	6
645#define AHC_494X_SLOT_CHANNEL_D	7
646
647#define	DEVCONFIG		0x40
648#define		PCIERRGENDIS	0x80000000ul
649#define		SCBSIZE32	0x00010000ul	/* aic789X only */
650#define		REXTVALID	0x00001000ul	/* ultra cards only */
651#define		MPORTMODE	0x00000400ul	/* aic7870+ only */
652#define		RAMPSM		0x00000200ul	/* aic7870+ only */
653#define		VOLSENSE	0x00000100ul
654#define		PCI64BIT	0x00000080ul	/* 64Bit PCI bus (Ultra2 Only)*/
655#define		SCBRAMSEL	0x00000080ul
656#define		MRDCEN		0x00000040ul
657#define		EXTSCBTIME	0x00000020ul	/* aic7870 only */
658#define		EXTSCBPEN	0x00000010ul	/* aic7870 only */
659#define		BERREN		0x00000008ul
660#define		DACEN		0x00000004ul
661#define		STPWLEVEL	0x00000002ul
662#define		DIFACTNEGEN	0x00000001ul	/* aic7870 only */
663
664#define	CSIZE_LATTIME		0x0c
665#define		CACHESIZE	0x0000003ful	/* only 5 bits */
666#define		LATTIME		0x0000ff00ul
667
668/* PCI STATUS definitions */
669#define	DPE	0x80
670#define SSE	0x40
671#define	RMA	0x20
672#define	RTA	0x10
673#define STA	0x08
674#define DPR	0x01
675
676static int ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
677				     uint16_t subdevice, uint16_t subvendor);
678static int ahc_ext_scbram_present(struct ahc_softc *ahc);
679static void ahc_scbram_config(struct ahc_softc *ahc, int enable,
680				  int pcheck, int fast, int large);
681static void ahc_probe_ext_scbram(struct ahc_softc *ahc);
682static void check_extport(struct ahc_softc *ahc, u_int *sxfrctl1);
683static void ahc_parse_pci_eeprom(struct ahc_softc *ahc,
684				 struct seeprom_config *sc);
685static void configure_termination(struct ahc_softc *ahc,
686				  struct seeprom_descriptor *sd,
687				  u_int adapter_control,
688	 			  u_int *sxfrctl1);
689
690static void ahc_new_term_detect(struct ahc_softc *ahc,
691				int *enableSEC_low,
692				int *enableSEC_high,
693				int *enablePRI_low,
694				int *enablePRI_high,
695				int *eeprom_present);
696static void aic787X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
697				 int *internal68_present,
698				 int *externalcable_present,
699				 int *eeprom_present);
700static void aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
701				 int *externalcable_present,
702				 int *eeprom_present);
703static void    write_brdctl(struct ahc_softc *ahc, uint8_t value);
704static uint8_t read_brdctl(struct ahc_softc *ahc);
705static void ahc_pci_intr(struct ahc_softc *ahc);
706static int  ahc_pci_chip_init(struct ahc_softc *ahc);
707static int  ahc_pci_suspend(struct ahc_softc *ahc);
708static int  ahc_pci_resume(struct ahc_softc *ahc);
709
710static int
711ahc_9005_subdevinfo_valid(uint16_t device, uint16_t vendor,
712			  uint16_t subdevice, uint16_t subvendor)
713{
714	int result;
715
716	/* Default to invalid. */
717	result = 0;
718	if (vendor == 0x9005
719	 && subvendor == 0x9005
720         && subdevice != device
721         && SUBID_9005_TYPE_KNOWN(subdevice) != 0) {
722
723		switch (SUBID_9005_TYPE(subdevice)) {
724		case SUBID_9005_TYPE_MB:
725			break;
726		case SUBID_9005_TYPE_CARD:
727		case SUBID_9005_TYPE_LCCARD:
728			/*
729			 * Currently only trust Adaptec cards to
730			 * get the sub device info correct.
731			 */
732			if (DEVID_9005_TYPE(device) == DEVID_9005_TYPE_HBA)
733				result = 1;
734			break;
735		case SUBID_9005_TYPE_RAID:
736			break;
737		default:
738			break;
739		}
740	}
741	return (result);
742}
743
744struct ahc_pci_identity *
745ahc_find_pci_device(aic_dev_softc_t pci)
746{
747	uint64_t  full_id;
748	uint16_t  device;
749	uint16_t  vendor;
750	uint16_t  subdevice;
751	uint16_t  subvendor;
752	struct	  ahc_pci_identity *entry;
753	u_int	  i;
754
755	vendor = aic_pci_read_config(pci, PCIR_DEVVENDOR, /*bytes*/2);
756	device = aic_pci_read_config(pci, PCIR_DEVICE, /*bytes*/2);
757	subvendor = aic_pci_read_config(pci, PCIR_SUBVEND_0, /*bytes*/2);
758	subdevice = aic_pci_read_config(pci, PCIR_SUBDEV_0, /*bytes*/2);
759	full_id = ahc_compose_id(device, vendor, subdevice, subvendor);
760
761	/*
762	 * If the second function is not hooked up, ignore it.
763	 * Unfortunately, not all MB vendors implement the
764	 * subdevice ID as per the Adaptec spec, so do our best
765	 * to sanity check it prior to accepting the subdevice
766	 * ID as valid.
767	 */
768	if (aic_get_pci_function(pci) > 0
769	 && ahc_9005_subdevinfo_valid(device, vendor, subdevice, subvendor)
770	 && SUBID_9005_MFUNCENB(subdevice) == 0)
771		return (NULL);
772
773	for (i = 0; i < ahc_num_pci_devs; i++) {
774		entry = &ahc_pci_ident_table[i];
775		if (entry->full_id == (full_id & entry->id_mask)) {
776			/* Honor exclusion entries. */
777			if (entry->name == NULL)
778				return (NULL);
779			return (entry);
780		}
781	}
782	return (NULL);
783}
784
785int
786ahc_pci_config(struct ahc_softc *ahc, struct ahc_pci_identity *entry)
787{
788	u_int	 command;
789	u_int	 our_id;
790	u_int	 sxfrctl1;
791	u_int	 scsiseq;
792	u_int	 dscommand0;
793	uint32_t devconfig;
794	int	 error;
795	uint8_t	 sblkctl;
796
797	our_id = 0;
798	error = entry->setup(ahc);
799	if (error != 0)
800		return (error);
801	ahc->chip |= AHC_PCI;
802	ahc->description = entry->name;
803
804	aic_power_state_change(ahc, AIC_POWER_STATE_D0);
805
806	error = ahc_pci_map_registers(ahc);
807	if (error != 0)
808		return (error);
809
810	/*
811	 * Before we continue probing the card, ensure that
812	 * its interrupts are *disabled*.  We don't want
813	 * a misstep to hang the machine in an interrupt
814	 * storm.
815	 */
816	ahc_intr_enable(ahc, FALSE);
817
818	devconfig = aic_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4);
819
820	/*
821	 * If we need to support high memory, enable dual
822	 * address cycles.  This bit must be set to enable
823	 * high address bit generation even if we are on a
824	 * 64bit bus (PCI64BIT set in devconfig).
825	 */
826	if ((ahc->flags & AHC_39BIT_ADDRESSING) != 0) {
827
828		if (bootverbose)
829			printf("%s: Enabling 39Bit Addressing\n",
830			       ahc_name(ahc));
831		devconfig |= DACEN;
832	}
833
834	/* Ensure that pci error generation, a test feature, is disabled. */
835	devconfig |= PCIERRGENDIS;
836
837	aic_pci_write_config(ahc->dev_softc, DEVCONFIG, devconfig, /*bytes*/4);
838
839	/* Ensure busmastering is enabled */
840	command = aic_pci_read_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/2);
841	command |= PCIM_CMD_BUSMASTEREN;
842
843	aic_pci_write_config(ahc->dev_softc, PCIR_COMMAND, command, /*bytes*/2);
844
845	/* On all PCI adapters, we allow SCB paging */
846	ahc->flags |= AHC_PAGESCBS;
847
848	error = ahc_softc_init(ahc);
849	if (error != 0)
850		return (error);
851
852	/*
853	 * Disable PCI parity error checking.  Users typically
854	 * do this to work around broken PCI chipsets that get
855	 * the parity timing wrong and thus generate lots of spurious
856	 * errors.  The chip only allows us to disable *all* parity
857	 * error reporting when doing this, so CIO bus, scb ram, and
858	 * scratch ram parity errors will be ignored too.
859	 */
860	if ((ahc->flags & AHC_DISABLE_PCI_PERR) != 0)
861		ahc->seqctl |= FAILDIS;
862
863	ahc->bus_intr = ahc_pci_intr;
864	ahc->bus_chip_init = ahc_pci_chip_init;
865	ahc->bus_suspend = ahc_pci_suspend;
866	ahc->bus_resume = ahc_pci_resume;
867
868	/* Remember how the card was setup in case there is no SEEPROM */
869	if ((ahc_inb(ahc, HCNTRL) & POWRDN) == 0) {
870		ahc_pause(ahc);
871		if ((ahc->features & AHC_ULTRA2) != 0)
872			our_id = ahc_inb(ahc, SCSIID_ULTRA2) & OID;
873		else
874			our_id = ahc_inb(ahc, SCSIID) & OID;
875		sxfrctl1 = ahc_inb(ahc, SXFRCTL1) & STPWEN;
876		scsiseq = ahc_inb(ahc, SCSISEQ);
877	} else {
878		sxfrctl1 = STPWEN;
879		our_id = 7;
880		scsiseq = 0;
881	}
882
883	error = ahc_reset(ahc, /*reinit*/FALSE);
884	if (error != 0)
885		return (ENXIO);
886
887	if ((ahc->features & AHC_DT) != 0) {
888		u_int sfunct;
889
890		/* Perform ALT-Mode Setup */
891		sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
892		ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
893		ahc_outb(ahc, OPTIONMODE,
894			 OPTIONMODE_DEFAULTS|AUTOACKEN|BUSFREEREV|EXPPHASEDIS);
895		ahc_outb(ahc, SFUNCT, sfunct);
896
897		/* Normal mode setup */
898		ahc_outb(ahc, CRCCONTROL1, CRCVALCHKEN|CRCENDCHKEN|CRCREQCHKEN
899					  |TARGCRCENDEN);
900	}
901
902	dscommand0 = ahc_inb(ahc, DSCOMMAND0);
903	dscommand0 |= MPARCKEN|CACHETHEN;
904	if ((ahc->features & AHC_ULTRA2) != 0) {
905
906		/*
907		 * DPARCKEN doesn't work correctly on
908		 * some MBs so don't use it.
909		 */
910		dscommand0 &= ~DPARCKEN;
911	}
912
913	/*
914	 * Handle chips that must have cache line
915	 * streaming (dis/en)abled.
916	 */
917	if ((ahc->bugs & AHC_CACHETHEN_DIS_BUG) != 0)
918		dscommand0 |= CACHETHEN;
919
920	if ((ahc->bugs & AHC_CACHETHEN_BUG) != 0)
921		dscommand0 &= ~CACHETHEN;
922
923	ahc_outb(ahc, DSCOMMAND0, dscommand0);
924
925	ahc->pci_cachesize =
926	    aic_pci_read_config(ahc->dev_softc, CSIZE_LATTIME,
927				/*bytes*/1) & CACHESIZE;
928	ahc->pci_cachesize *= 4;
929
930	if ((ahc->bugs & AHC_PCI_2_1_RETRY_BUG) != 0
931	 && ahc->pci_cachesize == 4) {
932
933		aic_pci_write_config(ahc->dev_softc, CSIZE_LATTIME,
934				     0, /*bytes*/1);
935		ahc->pci_cachesize = 0;
936	}
937
938	/*
939	 * We cannot perform ULTRA speeds without the presence
940	 * of the external precision resistor.
941	 */
942	if ((ahc->features & AHC_ULTRA) != 0) {
943		uint32_t devconfig;
944
945		devconfig = aic_pci_read_config(ahc->dev_softc,
946						DEVCONFIG, /*bytes*/4);
947		if ((devconfig & REXTVALID) == 0)
948			ahc->features &= ~AHC_ULTRA;
949	}
950
951	/* See if we have a SEEPROM and perform auto-term */
952	check_extport(ahc, &sxfrctl1);
953
954	/*
955	 * Take the LED out of diagnostic mode
956	 */
957	sblkctl = ahc_inb(ahc, SBLKCTL);
958	ahc_outb(ahc, SBLKCTL, (sblkctl & ~(DIAGLEDEN|DIAGLEDON)));
959
960	if ((ahc->features & AHC_ULTRA2) != 0) {
961		ahc_outb(ahc, DFF_THRSH, RD_DFTHRSH_MAX|WR_DFTHRSH_MAX);
962	} else {
963		ahc_outb(ahc, DSPCISTATUS, DFTHRSH_100);
964	}
965
966	if (ahc->flags & AHC_USEDEFAULTS) {
967		/*
968		 * PCI Adapter default setup
969		 * Should only be used if the adapter does not have
970		 * a SEEPROM.
971		 */
972		/* See if someone else set us up already */
973		if ((ahc->flags & AHC_NO_BIOS_INIT) == 0
974		 && scsiseq != 0) {
975			printf("%s: Using left over BIOS settings\n",
976				ahc_name(ahc));
977			ahc->flags &= ~AHC_USEDEFAULTS;
978			ahc->flags |= AHC_BIOS_ENABLED;
979		} else {
980			/*
981			 * Assume only one connector and always turn
982			 * on termination.
983			 */
984 			our_id = 0x07;
985			sxfrctl1 = STPWEN;
986		}
987		ahc_outb(ahc, SCSICONF, our_id|ENSPCHK|RESET_SCSI);
988
989		ahc->our_id = our_id;
990	}
991
992	/*
993	 * Take a look to see if we have external SRAM.
994	 * We currently do not attempt to use SRAM that is
995	 * shared among multiple controllers.
996	 */
997	ahc_probe_ext_scbram(ahc);
998
999	/*
1000	 * Record our termination setting for the
1001	 * generic initialization routine.
1002	 */
1003	if ((sxfrctl1 & STPWEN) != 0)
1004		ahc->flags |= AHC_TERM_ENB_A;
1005
1006	/*
1007	 * Save chip register configuration data for chip resets
1008	 * that occur during runtime and resume events.
1009	 */
1010	ahc->bus_softc.pci_softc.devconfig =
1011	    aic_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4);
1012	ahc->bus_softc.pci_softc.command =
1013	    aic_pci_read_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/1);
1014	ahc->bus_softc.pci_softc.csize_lattime =
1015	    aic_pci_read_config(ahc->dev_softc, CSIZE_LATTIME, /*bytes*/1);
1016	ahc->bus_softc.pci_softc.dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1017	ahc->bus_softc.pci_softc.dspcistatus = ahc_inb(ahc, DSPCISTATUS);
1018	if ((ahc->features & AHC_DT) != 0) {
1019		u_int sfunct;
1020
1021		sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
1022		ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
1023		ahc->bus_softc.pci_softc.optionmode = ahc_inb(ahc, OPTIONMODE);
1024		ahc->bus_softc.pci_softc.targcrccnt = ahc_inw(ahc, TARGCRCCNT);
1025		ahc_outb(ahc, SFUNCT, sfunct);
1026		ahc->bus_softc.pci_softc.crccontrol1 =
1027		    ahc_inb(ahc, CRCCONTROL1);
1028	}
1029	if ((ahc->features & AHC_MULTI_FUNC) != 0)
1030		ahc->bus_softc.pci_softc.scbbaddr = ahc_inb(ahc, SCBBADDR);
1031
1032	if ((ahc->features & AHC_ULTRA2) != 0)
1033		ahc->bus_softc.pci_softc.dff_thrsh = ahc_inb(ahc, DFF_THRSH);
1034
1035	/* Core initialization */
1036	error = ahc_init(ahc);
1037	if (error != 0)
1038		return (error);
1039
1040	/*
1041	 * Allow interrupts now that we are completely setup.
1042	 */
1043	error = ahc_pci_map_int(ahc);
1044	if (error != 0)
1045		return (error);
1046
1047	ahc_lock(ahc);
1048	/*
1049	 * Link this softc in with all other ahc instances.
1050	 */
1051	ahc_softc_insert(ahc);
1052	ahc_unlock(ahc);
1053	return (0);
1054}
1055
1056/*
1057 * Test for the presence of external sram in an
1058 * "unshared" configuration.
1059 */
1060static int
1061ahc_ext_scbram_present(struct ahc_softc *ahc)
1062{
1063	u_int chip;
1064	int ramps;
1065	int single_user;
1066	uint32_t devconfig;
1067
1068	chip = ahc->chip & AHC_CHIPID_MASK;
1069	devconfig = aic_pci_read_config(ahc->dev_softc,
1070					DEVCONFIG, /*bytes*/4);
1071	single_user = (devconfig & MPORTMODE) != 0;
1072
1073	if ((ahc->features & AHC_ULTRA2) != 0)
1074		ramps = (ahc_inb(ahc, DSCOMMAND0) & RAMPS) != 0;
1075	else if (chip == AHC_AIC7895 || chip == AHC_AIC7895C)
1076		/*
1077		 * External SCBRAM arbitration is flakey
1078		 * on these chips.  Unfortunately this means
1079		 * we don't use the extra SCB ram space on the
1080		 * 3940AUW.
1081		 */
1082		ramps = 0;
1083	else if (chip >= AHC_AIC7870)
1084		ramps = (devconfig & RAMPSM) != 0;
1085	else
1086		ramps = 0;
1087
1088	if (ramps && single_user)
1089		return (1);
1090	return (0);
1091}
1092
1093/*
1094 * Enable external scbram.
1095 */
1096static void
1097ahc_scbram_config(struct ahc_softc *ahc, int enable, int pcheck,
1098		  int fast, int large)
1099{
1100	uint32_t devconfig;
1101
1102	if (ahc->features & AHC_MULTI_FUNC) {
1103		/*
1104		 * Set the SCB Base addr (highest address bit)
1105		 * depending on which channel we are.
1106		 */
1107		ahc_outb(ahc, SCBBADDR, aic_get_pci_function(ahc->dev_softc));
1108	}
1109
1110	ahc->flags &= ~AHC_LSCBS_ENABLED;
1111	if (large)
1112		ahc->flags |= AHC_LSCBS_ENABLED;
1113	devconfig = aic_pci_read_config(ahc->dev_softc, DEVCONFIG, /*bytes*/4);
1114	if ((ahc->features & AHC_ULTRA2) != 0) {
1115		u_int dscommand0;
1116
1117		dscommand0 = ahc_inb(ahc, DSCOMMAND0);
1118		if (enable)
1119			dscommand0 &= ~INTSCBRAMSEL;
1120		else
1121			dscommand0 |= INTSCBRAMSEL;
1122		if (large)
1123			dscommand0 &= ~USCBSIZE32;
1124		else
1125			dscommand0 |= USCBSIZE32;
1126		ahc_outb(ahc, DSCOMMAND0, dscommand0);
1127	} else {
1128		if (fast)
1129			devconfig &= ~EXTSCBTIME;
1130		else
1131			devconfig |= EXTSCBTIME;
1132		if (enable)
1133			devconfig &= ~SCBRAMSEL;
1134		else
1135			devconfig |= SCBRAMSEL;
1136		if (large)
1137			devconfig &= ~SCBSIZE32;
1138		else
1139			devconfig |= SCBSIZE32;
1140	}
1141	if (pcheck)
1142		devconfig |= EXTSCBPEN;
1143	else
1144		devconfig &= ~EXTSCBPEN;
1145
1146	aic_pci_write_config(ahc->dev_softc, DEVCONFIG, devconfig, /*bytes*/4);
1147}
1148
1149/*
1150 * Take a look to see if we have external SRAM.
1151 * We currently do not attempt to use SRAM that is
1152 * shared among multiple controllers.
1153 */
1154static void
1155ahc_probe_ext_scbram(struct ahc_softc *ahc)
1156{
1157	int num_scbs;
1158	int test_num_scbs;
1159	int enable;
1160	int pcheck;
1161	int fast;
1162	int large;
1163
1164	enable = FALSE;
1165	pcheck = FALSE;
1166	fast = FALSE;
1167	large = FALSE;
1168	num_scbs = 0;
1169
1170	if (ahc_ext_scbram_present(ahc) == 0)
1171		goto done;
1172
1173	/*
1174	 * Probe for the best parameters to use.
1175	 */
1176	ahc_scbram_config(ahc, /*enable*/TRUE, pcheck, fast, large);
1177	num_scbs = ahc_probe_scbs(ahc);
1178	if (num_scbs == 0) {
1179		/* The SRAM wasn't really present. */
1180		goto done;
1181	}
1182	enable = TRUE;
1183
1184	/*
1185	 * Clear any outstanding parity error
1186	 * and ensure that parity error reporting
1187	 * is enabled.
1188	 */
1189	ahc_outb(ahc, SEQCTL, 0);
1190	ahc_outb(ahc, CLRINT, CLRPARERR);
1191	ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1192
1193	/* Now see if we can do parity */
1194	ahc_scbram_config(ahc, enable, /*pcheck*/TRUE, fast, large);
1195	num_scbs = ahc_probe_scbs(ahc);
1196	if ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1197	 || (ahc_inb(ahc, ERROR) & MPARERR) == 0)
1198		pcheck = TRUE;
1199
1200	/* Clear any resulting parity error */
1201	ahc_outb(ahc, CLRINT, CLRPARERR);
1202	ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1203
1204	/* Now see if we can do fast timing */
1205	ahc_scbram_config(ahc, enable, pcheck, /*fast*/TRUE, large);
1206	test_num_scbs = ahc_probe_scbs(ahc);
1207	if (test_num_scbs == num_scbs
1208	 && ((ahc_inb(ahc, INTSTAT) & BRKADRINT) == 0
1209	  || (ahc_inb(ahc, ERROR) & MPARERR) == 0))
1210		fast = TRUE;
1211
1212	/*
1213	 * See if we can use large SCBs and still maintain
1214	 * the same overall count of SCBs.
1215	 */
1216	if ((ahc->features & AHC_LARGE_SCBS) != 0) {
1217		ahc_scbram_config(ahc, enable, pcheck, fast, /*large*/TRUE);
1218		test_num_scbs = ahc_probe_scbs(ahc);
1219		if (test_num_scbs >= num_scbs) {
1220			large = TRUE;
1221			num_scbs = test_num_scbs;
1222	 		if (num_scbs >= 64) {
1223				/*
1224				 * We have enough space to move the
1225				 * "busy targets table" into SCB space
1226				 * and make it qualify all the way to the
1227				 * lun level.
1228				 */
1229				ahc->flags |= AHC_SCB_BTT;
1230			}
1231		}
1232	}
1233done:
1234	/*
1235	 * Disable parity error reporting until we
1236	 * can load instruction ram.
1237	 */
1238	ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1239	/* Clear any latched parity error */
1240	ahc_outb(ahc, CLRINT, CLRPARERR);
1241	ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1242	if (bootverbose && enable) {
1243		printf("%s: External SRAM, %s access%s, %dbytes/SCB\n",
1244		       ahc_name(ahc), fast ? "fast" : "slow",
1245		       pcheck ? ", parity checking enabled" : "",
1246		       large ? 64 : 32);
1247	}
1248	ahc_scbram_config(ahc, enable, pcheck, fast, large);
1249}
1250
1251/*
1252 * Perform some simple tests that should catch situations where
1253 * our registers are invalidly mapped.
1254 */
1255int
1256ahc_pci_test_register_access(struct ahc_softc *ahc)
1257{
1258	int	 error;
1259	u_int	 status1;
1260	uint32_t cmd;
1261	uint8_t	 hcntrl;
1262
1263	error = EIO;
1264
1265	/*
1266	 * Enable PCI error interrupt status, but suppress NMIs
1267	 * generated by SERR raised due to target aborts.
1268	 */
1269	cmd = aic_pci_read_config(ahc->dev_softc, PCIR_COMMAND, /*bytes*/2);
1270	aic_pci_write_config(ahc->dev_softc, PCIR_COMMAND,
1271			     cmd & ~PCIM_CMD_SERRESPEN, /*bytes*/2);
1272
1273	/*
1274	 * First a simple test to see if any
1275	 * registers can be read.  Reading
1276	 * HCNTRL has no side effects and has
1277	 * at least one bit that is guaranteed to
1278	 * be zero so it is a good register to
1279	 * use for this test.
1280	 */
1281	hcntrl = ahc_inb(ahc, HCNTRL);
1282
1283	if (hcntrl == 0xFF)
1284		goto fail;
1285
1286	if ((hcntrl & CHIPRST) != 0) {
1287		/*
1288		 * The chip has not been initialized since
1289		 * PCI/EISA/VLB bus reset.  Don't trust
1290		 * "left over BIOS data".
1291		 */
1292		ahc->flags |= AHC_NO_BIOS_INIT;
1293	}
1294
1295	/*
1296	 * Next create a situation where write combining
1297	 * or read prefetching could be initiated by the
1298	 * CPU or host bridge.  Our device does not support
1299	 * either, so look for data corruption and/or flagged
1300	 * PCI errors.  First pause without causing another
1301	 * chip reset.
1302	 */
1303	hcntrl &= ~CHIPRST;
1304	ahc_outb(ahc, HCNTRL, hcntrl|PAUSE);
1305	while (ahc_is_paused(ahc) == 0)
1306		;
1307
1308	/* Clear any PCI errors that occurred before our driver attached. */
1309	status1 = aic_pci_read_config(ahc->dev_softc,
1310				      PCIR_STATUS + 1, /*bytes*/1);
1311	aic_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1312			     status1, /*bytes*/1);
1313	ahc_outb(ahc, CLRINT, CLRPARERR);
1314
1315	ahc_outb(ahc, SEQCTL, PERRORDIS);
1316	ahc_outb(ahc, SCBPTR, 0);
1317	ahc_outl(ahc, SCB_BASE, 0x5aa555aa);
1318	if (ahc_inl(ahc, SCB_BASE) != 0x5aa555aa)
1319		goto fail;
1320
1321	status1 = aic_pci_read_config(ahc->dev_softc,
1322				      PCIR_STATUS + 1, /*bytes*/1);
1323	if ((status1 & STA) != 0)
1324		goto fail;
1325
1326	error = 0;
1327
1328fail:
1329	/* Silently clear any latched errors. */
1330	status1 = aic_pci_read_config(ahc->dev_softc,
1331				      PCIR_STATUS + 1, /*bytes*/1);
1332	aic_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
1333			     status1, /*bytes*/1);
1334	ahc_outb(ahc, CLRINT, CLRPARERR);
1335	ahc_outb(ahc, SEQCTL, PERRORDIS|FAILDIS);
1336	aic_pci_write_config(ahc->dev_softc, PCIR_COMMAND, cmd, /*bytes*/2);
1337	return (error);
1338}
1339
1340/*
1341 * Check the external port logic for a serial eeprom
1342 * and termination/cable detection contrls.
1343 */
1344static void
1345check_extport(struct ahc_softc *ahc, u_int *sxfrctl1)
1346{
1347	struct	seeprom_descriptor sd;
1348	struct	seeprom_config *sc;
1349	int	have_seeprom;
1350	int	have_autoterm;
1351
1352	sd.sd_ahc = ahc;
1353	sd.sd_control_offset = SEECTL;
1354	sd.sd_status_offset = SEECTL;
1355	sd.sd_dataout_offset = SEECTL;
1356	sc = ahc->seep_config;
1357
1358	/*
1359	 * For some multi-channel devices, the c46 is simply too
1360	 * small to work.  For the other controller types, we can
1361	 * get our information from either SEEPROM type.  Set the
1362	 * type to start our probe with accordingly.
1363	 */
1364	if (ahc->flags & AHC_LARGE_SEEPROM)
1365		sd.sd_chip = C56_66;
1366	else
1367		sd.sd_chip = C46;
1368
1369	sd.sd_MS = SEEMS;
1370	sd.sd_RDY = SEERDY;
1371	sd.sd_CS = SEECS;
1372	sd.sd_CK = SEECK;
1373	sd.sd_DO = SEEDO;
1374	sd.sd_DI = SEEDI;
1375
1376	have_seeprom = ahc_acquire_seeprom(ahc, &sd);
1377	if (have_seeprom) {
1378
1379		if (bootverbose)
1380			printf("%s: Reading SEEPROM...", ahc_name(ahc));
1381
1382		for (;;) {
1383			u_int start_addr;
1384
1385			start_addr = 32 * (ahc->channel - 'A');
1386
1387			have_seeprom = ahc_read_seeprom(&sd, (uint16_t *)sc,
1388							start_addr,
1389							sizeof(*sc)/2);
1390
1391			if (have_seeprom)
1392				have_seeprom = ahc_verify_cksum(sc);
1393
1394			if (have_seeprom != 0 || sd.sd_chip == C56_66) {
1395				if (bootverbose) {
1396					if (have_seeprom == 0)
1397						printf ("checksum error\n");
1398					else
1399						printf ("done.\n");
1400				}
1401				break;
1402			}
1403			sd.sd_chip = C56_66;
1404		}
1405		ahc_release_seeprom(&sd);
1406
1407		/* Remember the SEEPROM type for later */
1408		if (sd.sd_chip == C56_66)
1409			ahc->flags |= AHC_LARGE_SEEPROM;
1410	}
1411
1412	if (!have_seeprom) {
1413		/*
1414		 * Pull scratch ram settings and treat them as
1415		 * if they are the contents of an seeprom if
1416		 * the 'ADPT' signature is found in SCB2.
1417		 * We manually compose the data as 16bit values
1418		 * to avoid endian issues.
1419		 */
1420		ahc_outb(ahc, SCBPTR, 2);
1421		if (ahc_inb(ahc, SCB_BASE) == 'A'
1422		 && ahc_inb(ahc, SCB_BASE + 1) == 'D'
1423		 && ahc_inb(ahc, SCB_BASE + 2) == 'P'
1424		 && ahc_inb(ahc, SCB_BASE + 3) == 'T') {
1425			uint16_t *sc_data;
1426			int	  i;
1427
1428			sc_data = (uint16_t *)sc;
1429			for (i = 0; i < 32; i++, sc_data++) {
1430				int	j;
1431
1432				j = i * 2;
1433				*sc_data = ahc_inb(ahc, SRAM_BASE + j)
1434					 | ahc_inb(ahc, SRAM_BASE + j + 1) << 8;
1435			}
1436			have_seeprom = ahc_verify_cksum(sc);
1437			if (have_seeprom)
1438				ahc->flags |= AHC_SCB_CONFIG_USED;
1439		}
1440		/*
1441		 * Clear any SCB parity errors in case this data and
1442		 * its associated parity was not initialized by the BIOS
1443		 */
1444		ahc_outb(ahc, CLRINT, CLRPARERR);
1445		ahc_outb(ahc, CLRINT, CLRBRKADRINT);
1446	}
1447
1448	if (!have_seeprom) {
1449		if (bootverbose)
1450			printf("%s: No SEEPROM available.\n", ahc_name(ahc));
1451		ahc->flags |= AHC_USEDEFAULTS;
1452		free(ahc->seep_config, M_DEVBUF);
1453		ahc->seep_config = NULL;
1454		sc = NULL;
1455	} else {
1456		ahc_parse_pci_eeprom(ahc, sc);
1457	}
1458
1459	/*
1460	 * Cards that have the external logic necessary to talk to
1461	 * a SEEPROM, are almost certain to have the remaining logic
1462	 * necessary for auto-termination control.  This assumption
1463	 * hasn't failed yet...
1464	 */
1465	have_autoterm = have_seeprom;
1466
1467	/*
1468	 * Some low-cost chips have SEEPROM and auto-term control built
1469	 * in, instead of using a GAL.  They can tell us directly
1470	 * if the termination logic is enabled.
1471	 */
1472	if ((ahc->features & AHC_SPIOCAP) != 0) {
1473		if ((ahc_inb(ahc, SPIOCAP) & SSPIOCPS) == 0)
1474			have_autoterm = FALSE;
1475	}
1476
1477	if (have_autoterm) {
1478		ahc->flags |= AHC_HAS_TERM_LOGIC;
1479		ahc_acquire_seeprom(ahc, &sd);
1480		configure_termination(ahc, &sd, sc->adapter_control, sxfrctl1);
1481		ahc_release_seeprom(&sd);
1482	} else if (have_seeprom) {
1483		*sxfrctl1 &= ~STPWEN;
1484		if ((sc->adapter_control & CFSTERM) != 0)
1485			*sxfrctl1 |= STPWEN;
1486		if (bootverbose)
1487			printf("%s: Low byte termination %sabled\n",
1488			       ahc_name(ahc),
1489			       (*sxfrctl1 & STPWEN) ? "en" : "dis");
1490	}
1491}
1492
1493static void
1494ahc_parse_pci_eeprom(struct ahc_softc *ahc, struct seeprom_config *sc)
1495{
1496	/*
1497	 * Put the data we've collected down into SRAM
1498	 * where ahc_init will find it.
1499	 */
1500	int	 i;
1501	int	 max_targ = sc->max_targets & CFMAXTARG;
1502	u_int	 scsi_conf;
1503	uint16_t discenable;
1504	uint16_t ultraenb;
1505
1506	discenable = 0;
1507	ultraenb = 0;
1508	if ((sc->adapter_control & CFULTRAEN) != 0) {
1509		/*
1510		 * Determine if this adapter has a "newstyle"
1511		 * SEEPROM format.
1512		 */
1513		for (i = 0; i < max_targ; i++) {
1514			if ((sc->device_flags[i] & CFSYNCHISULTRA) != 0) {
1515				ahc->flags |= AHC_NEWEEPROM_FMT;
1516				break;
1517			}
1518		}
1519	}
1520
1521	for (i = 0; i < max_targ; i++) {
1522		u_int     scsirate;
1523		uint16_t target_mask;
1524
1525		target_mask = 0x01 << i;
1526		if (sc->device_flags[i] & CFDISC)
1527			discenable |= target_mask;
1528		if ((ahc->flags & AHC_NEWEEPROM_FMT) != 0) {
1529			if ((sc->device_flags[i] & CFSYNCHISULTRA) != 0)
1530				ultraenb |= target_mask;
1531		} else if ((sc->adapter_control & CFULTRAEN) != 0) {
1532			ultraenb |= target_mask;
1533		}
1534		if ((sc->device_flags[i] & CFXFER) == 0x04
1535		 && (ultraenb & target_mask) != 0) {
1536			/* Treat 10MHz as a non-ultra speed */
1537			sc->device_flags[i] &= ~CFXFER;
1538		 	ultraenb &= ~target_mask;
1539		}
1540		if ((ahc->features & AHC_ULTRA2) != 0) {
1541			u_int offset;
1542
1543			if (sc->device_flags[i] & CFSYNCH)
1544				offset = MAX_OFFSET_ULTRA2;
1545			else
1546				offset = 0;
1547			ahc_outb(ahc, TARG_OFFSET + i, offset);
1548
1549			/*
1550			 * The ultra enable bits contain the
1551			 * high bit of the ultra2 sync rate
1552			 * field.
1553			 */
1554			scsirate = (sc->device_flags[i] & CFXFER)
1555				 | ((ultraenb & target_mask) ? 0x8 : 0x0);
1556			if (sc->device_flags[i] & CFWIDEB)
1557				scsirate |= WIDEXFER;
1558		} else {
1559			scsirate = (sc->device_flags[i] & CFXFER) << 4;
1560			if (sc->device_flags[i] & CFSYNCH)
1561				scsirate |= SOFS;
1562			if (sc->device_flags[i] & CFWIDEB)
1563				scsirate |= WIDEXFER;
1564		}
1565		ahc_outb(ahc, TARG_SCSIRATE + i, scsirate);
1566	}
1567	ahc->our_id = sc->brtime_id & CFSCSIID;
1568
1569	scsi_conf = (ahc->our_id & 0x7);
1570	if (sc->adapter_control & CFSPARITY)
1571		scsi_conf |= ENSPCHK;
1572	if (sc->adapter_control & CFRESETB)
1573		scsi_conf |= RESET_SCSI;
1574
1575	ahc->flags |= (sc->adapter_control & CFBOOTCHAN) >> CFBOOTCHANSHIFT;
1576
1577	if (sc->bios_control & CFEXTEND)
1578		ahc->flags |= AHC_EXTENDED_TRANS_A;
1579
1580	if (sc->bios_control & CFBIOSEN)
1581		ahc->flags |= AHC_BIOS_ENABLED;
1582	if (ahc->features & AHC_ULTRA
1583	 && (ahc->flags & AHC_NEWEEPROM_FMT) == 0) {
1584		/* Should we enable Ultra mode? */
1585		if (!(sc->adapter_control & CFULTRAEN))
1586			/* Treat us as a non-ultra card */
1587			ultraenb = 0;
1588	}
1589
1590	if (sc->signature == CFSIGNATURE
1591	 || sc->signature == CFSIGNATURE2) {
1592		uint32_t devconfig;
1593
1594		/* Honor the STPWLEVEL settings */
1595		devconfig = aic_pci_read_config(ahc->dev_softc,
1596						DEVCONFIG, /*bytes*/4);
1597		devconfig &= ~STPWLEVEL;
1598		if ((sc->bios_control & CFSTPWLEVEL) != 0)
1599			devconfig |= STPWLEVEL;
1600		aic_pci_write_config(ahc->dev_softc, DEVCONFIG,
1601				     devconfig, /*bytes*/4);
1602	}
1603	/* Set SCSICONF info */
1604	ahc_outb(ahc, SCSICONF, scsi_conf);
1605	ahc_outb(ahc, DISC_DSB, ~(discenable & 0xff));
1606	ahc_outb(ahc, DISC_DSB + 1, ~((discenable >> 8) & 0xff));
1607	ahc_outb(ahc, ULTRA_ENB, ultraenb & 0xff);
1608	ahc_outb(ahc, ULTRA_ENB + 1, (ultraenb >> 8) & 0xff);
1609}
1610
1611static void
1612configure_termination(struct ahc_softc *ahc,
1613		      struct seeprom_descriptor *sd,
1614		      u_int adapter_control,
1615		      u_int *sxfrctl1)
1616{
1617	uint8_t brddat;
1618
1619	brddat = 0;
1620
1621	/*
1622	 * Update the settings in sxfrctl1 to match the
1623	 * termination settings
1624	 */
1625	*sxfrctl1 = 0;
1626
1627	/*
1628	 * SEECS must be on for the GALS to latch
1629	 * the data properly.  Be sure to leave MS
1630	 * on or we will release the seeprom.
1631	 */
1632	SEEPROM_OUTB(sd, sd->sd_MS | sd->sd_CS);
1633	if ((adapter_control & CFAUTOTERM) != 0
1634	 || (ahc->features & AHC_NEW_TERMCTL) != 0) {
1635		int internal50_present;
1636		int internal68_present;
1637		int externalcable_present;
1638		int eeprom_present;
1639		int enableSEC_low;
1640		int enableSEC_high;
1641		int enablePRI_low;
1642		int enablePRI_high;
1643		int sum;
1644
1645		enableSEC_low = 0;
1646		enableSEC_high = 0;
1647		enablePRI_low = 0;
1648		enablePRI_high = 0;
1649		if ((ahc->features & AHC_NEW_TERMCTL) != 0) {
1650			ahc_new_term_detect(ahc, &enableSEC_low,
1651					    &enableSEC_high,
1652					    &enablePRI_low,
1653					    &enablePRI_high,
1654					    &eeprom_present);
1655			if ((adapter_control & CFSEAUTOTERM) == 0) {
1656				if (bootverbose)
1657					printf("%s: Manual SE Termination\n",
1658					       ahc_name(ahc));
1659				enableSEC_low = (adapter_control & CFSELOWTERM);
1660				enableSEC_high =
1661				    (adapter_control & CFSEHIGHTERM);
1662			}
1663			if ((adapter_control & CFAUTOTERM) == 0) {
1664				if (bootverbose)
1665					printf("%s: Manual LVD Termination\n",
1666					       ahc_name(ahc));
1667				enablePRI_low = (adapter_control & CFSTERM);
1668				enablePRI_high = (adapter_control & CFWSTERM);
1669			}
1670			/* Make the table calculations below happy */
1671			internal50_present = 0;
1672			internal68_present = 1;
1673			externalcable_present = 1;
1674		} else if ((ahc->features & AHC_SPIOCAP) != 0) {
1675			aic785X_cable_detect(ahc, &internal50_present,
1676					     &externalcable_present,
1677					     &eeprom_present);
1678			/* Can never support a wide connector. */
1679			internal68_present = 0;
1680		} else {
1681			aic787X_cable_detect(ahc, &internal50_present,
1682					     &internal68_present,
1683					     &externalcable_present,
1684					     &eeprom_present);
1685		}
1686
1687		if ((ahc->features & AHC_WIDE) == 0)
1688			internal68_present = 0;
1689
1690		if (bootverbose
1691		 && (ahc->features & AHC_ULTRA2) == 0) {
1692			printf("%s: internal 50 cable %s present",
1693			       ahc_name(ahc),
1694			       internal50_present ? "is":"not");
1695
1696			if ((ahc->features & AHC_WIDE) != 0)
1697				printf(", internal 68 cable %s present",
1698				       internal68_present ? "is":"not");
1699			printf("\n%s: external cable %s present\n",
1700			       ahc_name(ahc),
1701			       externalcable_present ? "is":"not");
1702		}
1703		if (bootverbose)
1704			printf("%s: BIOS eeprom %s present\n",
1705			       ahc_name(ahc), eeprom_present ? "is" : "not");
1706
1707		if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0) {
1708			/*
1709			 * The 50 pin connector is a separate bus,
1710			 * so force it to always be terminated.
1711			 * In the future, perform current sensing
1712			 * to determine if we are in the middle of
1713			 * a properly terminated bus.
1714			 */
1715			internal50_present = 0;
1716		}
1717
1718		/*
1719		 * Now set the termination based on what
1720		 * we found.
1721		 * Flash Enable = BRDDAT7
1722		 * Secondary High Term Enable = BRDDAT6
1723		 * Secondary Low Term Enable = BRDDAT5 (7890)
1724		 * Primary High Term Enable = BRDDAT4 (7890)
1725		 */
1726		if ((ahc->features & AHC_ULTRA2) == 0
1727		 && (internal50_present != 0)
1728		 && (internal68_present != 0)
1729		 && (externalcable_present != 0)) {
1730			printf("%s: Illegal cable configuration!!. "
1731			       "Only two connectors on the "
1732			       "adapter may be used at a "
1733			       "time!\n", ahc_name(ahc));
1734
1735			/*
1736			 * Pretend there are no cables in the hope
1737			 * that having all of the termination on
1738			 * gives us a more stable bus.
1739			 */
1740		 	internal50_present = 0;
1741			internal68_present = 0;
1742			externalcable_present = 0;
1743		}
1744
1745		if ((ahc->features & AHC_WIDE) != 0
1746		 && ((externalcable_present == 0)
1747		  || (internal68_present == 0)
1748		  || (enableSEC_high != 0))) {
1749			brddat |= BRDDAT6;
1750			if (bootverbose) {
1751				if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0)
1752					printf("%s: 68 pin termination "
1753					       "Enabled\n", ahc_name(ahc));
1754				else
1755					printf("%s: %sHigh byte termination "
1756					       "Enabled\n", ahc_name(ahc),
1757					       enableSEC_high ? "Secondary "
1758							      : "");
1759			}
1760		}
1761
1762		sum = internal50_present + internal68_present
1763		    + externalcable_present;
1764		if (sum < 2 || (enableSEC_low != 0)) {
1765			if ((ahc->features & AHC_ULTRA2) != 0)
1766				brddat |= BRDDAT5;
1767			else
1768				*sxfrctl1 |= STPWEN;
1769			if (bootverbose) {
1770				if ((ahc->flags & AHC_INT50_SPEEDFLEX) != 0)
1771					printf("%s: 50 pin termination "
1772					       "Enabled\n", ahc_name(ahc));
1773				else
1774					printf("%s: %sLow byte termination "
1775					       "Enabled\n", ahc_name(ahc),
1776					       enableSEC_low ? "Secondary "
1777							     : "");
1778			}
1779		}
1780
1781		if (enablePRI_low != 0) {
1782			*sxfrctl1 |= STPWEN;
1783			if (bootverbose)
1784				printf("%s: Primary Low Byte termination "
1785				       "Enabled\n", ahc_name(ahc));
1786		}
1787
1788		/*
1789		 * Setup STPWEN before setting up the rest of
1790		 * the termination per the tech note on the U160 cards.
1791		 */
1792		ahc_outb(ahc, SXFRCTL1, *sxfrctl1);
1793
1794		if (enablePRI_high != 0) {
1795			brddat |= BRDDAT4;
1796			if (bootverbose)
1797				printf("%s: Primary High Byte "
1798				       "termination Enabled\n",
1799				       ahc_name(ahc));
1800		}
1801
1802		write_brdctl(ahc, brddat);
1803
1804	} else {
1805		if ((adapter_control & CFSTERM) != 0) {
1806			*sxfrctl1 |= STPWEN;
1807
1808			if (bootverbose)
1809				printf("%s: %sLow byte termination Enabled\n",
1810				       ahc_name(ahc),
1811				       (ahc->features & AHC_ULTRA2) ? "Primary "
1812								    : "");
1813		}
1814
1815		if ((adapter_control & CFWSTERM) != 0
1816		 && (ahc->features & AHC_WIDE) != 0) {
1817			brddat |= BRDDAT6;
1818			if (bootverbose)
1819				printf("%s: %sHigh byte termination Enabled\n",
1820				       ahc_name(ahc),
1821				       (ahc->features & AHC_ULTRA2)
1822				     ? "Secondary " : "");
1823		}
1824
1825		/*
1826		 * Setup STPWEN before setting up the rest of
1827		 * the termination per the tech note on the U160 cards.
1828		 */
1829		ahc_outb(ahc, SXFRCTL1, *sxfrctl1);
1830
1831		if ((ahc->features & AHC_WIDE) != 0)
1832			write_brdctl(ahc, brddat);
1833	}
1834	SEEPROM_OUTB(sd, sd->sd_MS); /* Clear CS */
1835}
1836
1837static void
1838ahc_new_term_detect(struct ahc_softc *ahc, int *enableSEC_low,
1839		    int *enableSEC_high, int *enablePRI_low,
1840		    int *enablePRI_high, int *eeprom_present)
1841{
1842	uint8_t brdctl;
1843
1844	/*
1845	 * BRDDAT7 = Eeprom
1846	 * BRDDAT6 = Enable Secondary High Byte termination
1847	 * BRDDAT5 = Enable Secondary Low Byte termination
1848	 * BRDDAT4 = Enable Primary high byte termination
1849	 * BRDDAT3 = Enable Primary low byte termination
1850	 */
1851	brdctl = read_brdctl(ahc);
1852	*eeprom_present = brdctl & BRDDAT7;
1853	*enableSEC_high = (brdctl & BRDDAT6);
1854	*enableSEC_low = (brdctl & BRDDAT5);
1855	*enablePRI_high = (brdctl & BRDDAT4);
1856	*enablePRI_low = (brdctl & BRDDAT3);
1857}
1858
1859static void
1860aic787X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
1861		     int *internal68_present, int *externalcable_present,
1862		     int *eeprom_present)
1863{
1864	uint8_t brdctl;
1865
1866	/*
1867	 * First read the status of our cables.
1868	 * Set the rom bank to 0 since the
1869	 * bank setting serves as a multiplexor
1870	 * for the cable detection logic.
1871	 * BRDDAT5 controls the bank switch.
1872	 */
1873	write_brdctl(ahc, 0);
1874
1875	/*
1876	 * Now read the state of the internal
1877	 * connectors.  BRDDAT6 is INT50 and
1878	 * BRDDAT7 is INT68.
1879	 */
1880	brdctl = read_brdctl(ahc);
1881	*internal50_present = (brdctl & BRDDAT6) ? 0 : 1;
1882	*internal68_present = (brdctl & BRDDAT7) ? 0 : 1;
1883
1884	/*
1885	 * Set the rom bank to 1 and determine
1886	 * the other signals.
1887	 */
1888	write_brdctl(ahc, BRDDAT5);
1889
1890	/*
1891	 * Now read the state of the external
1892	 * connectors.  BRDDAT6 is EXT68 and
1893	 * BRDDAT7 is EPROMPS.
1894	 */
1895	brdctl = read_brdctl(ahc);
1896	*externalcable_present = (brdctl & BRDDAT6) ? 0 : 1;
1897	*eeprom_present = (brdctl & BRDDAT7) ? 1 : 0;
1898}
1899
1900static void
1901aic785X_cable_detect(struct ahc_softc *ahc, int *internal50_present,
1902		     int *externalcable_present, int *eeprom_present)
1903{
1904	uint8_t brdctl;
1905	uint8_t spiocap;
1906
1907	spiocap = ahc_inb(ahc, SPIOCAP);
1908	spiocap &= ~SOFTCMDEN;
1909	spiocap |= EXT_BRDCTL;
1910	ahc_outb(ahc, SPIOCAP, spiocap);
1911	ahc_outb(ahc, BRDCTL, BRDRW|BRDCS);
1912	ahc_flush_device_writes(ahc);
1913	aic_delay(500);
1914	ahc_outb(ahc, BRDCTL, 0);
1915	ahc_flush_device_writes(ahc);
1916	aic_delay(500);
1917	brdctl = ahc_inb(ahc, BRDCTL);
1918	*internal50_present = (brdctl & BRDDAT5) ? 0 : 1;
1919	*externalcable_present = (brdctl & BRDDAT6) ? 0 : 1;
1920	*eeprom_present = (ahc_inb(ahc, SPIOCAP) & EEPROM) ? 1 : 0;
1921}
1922
1923int
1924ahc_acquire_seeprom(struct ahc_softc *ahc, struct seeprom_descriptor *sd)
1925{
1926	int wait;
1927
1928	if ((ahc->features & AHC_SPIOCAP) != 0
1929	 && (ahc_inb(ahc, SPIOCAP) & SEEPROM) == 0)
1930		return (0);
1931
1932	/*
1933	 * Request access of the memory port.  When access is
1934	 * granted, SEERDY will go high.  We use a 1 second
1935	 * timeout which should be near 1 second more than
1936	 * is needed.  Reason: after the chip reset, there
1937	 * should be no contention.
1938	 */
1939	SEEPROM_OUTB(sd, sd->sd_MS);
1940	wait = 1000;  /* 1 second timeout in msec */
1941	while (--wait && ((SEEPROM_STATUS_INB(sd) & sd->sd_RDY) == 0)) {
1942		aic_delay(1000);  /* delay 1 msec */
1943	}
1944	if ((SEEPROM_STATUS_INB(sd) & sd->sd_RDY) == 0) {
1945		SEEPROM_OUTB(sd, 0);
1946		return (0);
1947	}
1948	return(1);
1949}
1950
1951void
1952ahc_release_seeprom(struct seeprom_descriptor *sd)
1953{
1954	/* Release access to the memory port and the serial EEPROM. */
1955	SEEPROM_OUTB(sd, 0);
1956}
1957
1958static void
1959write_brdctl(struct ahc_softc *ahc, uint8_t value)
1960{
1961	uint8_t brdctl;
1962
1963	if ((ahc->chip & AHC_CHIPID_MASK) == AHC_AIC7895) {
1964		brdctl = BRDSTB;
1965	 	if (ahc->channel == 'B')
1966			brdctl |= BRDCS;
1967	} else if ((ahc->features & AHC_ULTRA2) != 0) {
1968		brdctl = 0;
1969	} else {
1970		brdctl = BRDSTB|BRDCS;
1971	}
1972	ahc_outb(ahc, BRDCTL, brdctl);
1973	ahc_flush_device_writes(ahc);
1974	brdctl |= value;
1975	ahc_outb(ahc, BRDCTL, brdctl);
1976	ahc_flush_device_writes(ahc);
1977	if ((ahc->features & AHC_ULTRA2) != 0)
1978		brdctl |= BRDSTB_ULTRA2;
1979	else
1980		brdctl &= ~BRDSTB;
1981	ahc_outb(ahc, BRDCTL, brdctl);
1982	ahc_flush_device_writes(ahc);
1983	if ((ahc->features & AHC_ULTRA2) != 0)
1984		brdctl = 0;
1985	else
1986		brdctl &= ~BRDCS;
1987	ahc_outb(ahc, BRDCTL, brdctl);
1988}
1989
1990static uint8_t
1991read_brdctl(struct ahc_softc *ahc)
1992{
1993	uint8_t brdctl;
1994	uint8_t value;
1995
1996	if ((ahc->chip & AHC_CHIPID_MASK) == AHC_AIC7895) {
1997		brdctl = BRDRW;
1998	 	if (ahc->channel == 'B')
1999			brdctl |= BRDCS;
2000	} else if ((ahc->features & AHC_ULTRA2) != 0) {
2001		brdctl = BRDRW_ULTRA2;
2002	} else {
2003		brdctl = BRDRW|BRDCS;
2004	}
2005	ahc_outb(ahc, BRDCTL, brdctl);
2006	ahc_flush_device_writes(ahc);
2007	value = ahc_inb(ahc, BRDCTL);
2008	ahc_outb(ahc, BRDCTL, 0);
2009	return (value);
2010}
2011
2012static void
2013ahc_pci_intr(struct ahc_softc *ahc)
2014{
2015	u_int error;
2016	u_int status1;
2017
2018	error = ahc_inb(ahc, ERROR);
2019	if ((error & PCIERRSTAT) == 0)
2020		return;
2021
2022	status1 = aic_pci_read_config(ahc->dev_softc,
2023				      PCIR_STATUS + 1, /*bytes*/1);
2024
2025	if ((status1 & ~DPE) != 0
2026	 || (ahc->flags & AHC_DISABLE_PCI_PERR) == 0) {
2027		printf("%s: PCI error Interrupt at seqaddr = 0x%x\n",
2028		       ahc_name(ahc),
2029		       ahc_inb(ahc, SEQADDR0) | (ahc_inb(ahc, SEQADDR1) << 8));
2030	}
2031
2032	if (status1 & DPE
2033	 && (ahc->flags & AHC_DISABLE_PCI_PERR) == 0) {
2034		ahc->pci_target_perr_count++;
2035		printf("%s: Data Parity Error Detected during address "
2036		       "or write data phase\n", ahc_name(ahc));
2037	}
2038	if (status1 & SSE) {
2039		printf("%s: Signal System Error Detected\n", ahc_name(ahc));
2040	}
2041	if (status1 & RMA) {
2042		printf("%s: Received a Master Abort\n", ahc_name(ahc));
2043	}
2044	if (status1 & RTA) {
2045		printf("%s: Received a Target Abort\n", ahc_name(ahc));
2046	}
2047	if (status1 & STA) {
2048		printf("%s: Signaled a Target Abort\n", ahc_name(ahc));
2049	}
2050	if (status1 & DPR) {
2051		printf("%s: Data Parity Error has been reported via PERR#\n",
2052		       ahc_name(ahc));
2053	}
2054
2055	/* Clear latched errors. */
2056	aic_pci_write_config(ahc->dev_softc, PCIR_STATUS + 1,
2057			     status1, /*bytes*/1);
2058
2059	if ((status1 & (DPE|SSE|RMA|RTA|STA|DPR)) == 0) {
2060		printf("%s: Latched PCIERR interrupt with "
2061		       "no status bits set\n", ahc_name(ahc));
2062	} else {
2063		ahc_outb(ahc, CLRINT, CLRPARERR);
2064	}
2065
2066	if (ahc->pci_target_perr_count > AHC_PCI_TARGET_PERR_THRESH
2067	 && (ahc->flags & AHC_DISABLE_PCI_PERR) == 0) {
2068		printf(
2069"%s: WARNING WARNING WARNING WARNING\n"
2070"%s: Too many PCI parity errors observed as a target.\n"
2071"%s: Some device on this PCI bus is generating bad parity.\n"
2072"%s: This is an error *observed by*, not *generated by*, %s.\n"
2073"%s: PCI parity error checking has been disabled.\n"
2074"%s: WARNING WARNING WARNING WARNING\n",
2075		       ahc_name(ahc), ahc_name(ahc), ahc_name(ahc),
2076		       ahc_name(ahc), ahc_name(ahc), ahc_name(ahc),
2077		       ahc_name(ahc));
2078		ahc->seqctl |= FAILDIS;
2079		ahc->flags |= AHC_DISABLE_PCI_PERR;
2080		ahc_outb(ahc, SEQCTL, ahc->seqctl);
2081	}
2082	ahc_unpause(ahc);
2083}
2084
2085static int
2086ahc_pci_chip_init(struct ahc_softc *ahc)
2087{
2088	ahc_outb(ahc, DSCOMMAND0, ahc->bus_softc.pci_softc.dscommand0);
2089	ahc_outb(ahc, DSPCISTATUS, ahc->bus_softc.pci_softc.dspcistatus);
2090	if ((ahc->features & AHC_DT) != 0) {
2091		u_int sfunct;
2092
2093		sfunct = ahc_inb(ahc, SFUNCT) & ~ALT_MODE;
2094		ahc_outb(ahc, SFUNCT, sfunct | ALT_MODE);
2095		ahc_outb(ahc, OPTIONMODE, ahc->bus_softc.pci_softc.optionmode);
2096		ahc_outw(ahc, TARGCRCCNT, ahc->bus_softc.pci_softc.targcrccnt);
2097		ahc_outb(ahc, SFUNCT, sfunct);
2098		ahc_outb(ahc, CRCCONTROL1,
2099			 ahc->bus_softc.pci_softc.crccontrol1);
2100	}
2101	if ((ahc->features & AHC_MULTI_FUNC) != 0)
2102		ahc_outb(ahc, SCBBADDR, ahc->bus_softc.pci_softc.scbbaddr);
2103
2104	if ((ahc->features & AHC_ULTRA2) != 0)
2105		ahc_outb(ahc, DFF_THRSH, ahc->bus_softc.pci_softc.dff_thrsh);
2106
2107	return (ahc_chip_init(ahc));
2108}
2109
2110static int
2111ahc_pci_suspend(struct ahc_softc *ahc)
2112{
2113	return (ahc_suspend(ahc));
2114}
2115
2116static int
2117ahc_pci_resume(struct ahc_softc *ahc)
2118{
2119
2120	aic_power_state_change(ahc, AIC_POWER_STATE_D0);
2121
2122	/*
2123	 * We assume that the OS has restored our register
2124	 * mappings, etc.  Just update the config space registers
2125	 * that the OS doesn't know about and rely on our chip
2126	 * reset handler to handle the rest.
2127	 */
2128	aic_pci_write_config(ahc->dev_softc, DEVCONFIG,
2129			     ahc->bus_softc.pci_softc.devconfig, /*bytes*/4);
2130	aic_pci_write_config(ahc->dev_softc, PCIR_COMMAND,
2131			     ahc->bus_softc.pci_softc.command, /*bytes*/1);
2132	aic_pci_write_config(ahc->dev_softc, CSIZE_LATTIME,
2133			     ahc->bus_softc.pci_softc.csize_lattime,
2134			     /*bytes*/1);
2135	if ((ahc->flags & AHC_HAS_TERM_LOGIC) != 0) {
2136		struct	seeprom_descriptor sd;
2137		u_int	sxfrctl1;
2138
2139		sd.sd_ahc = ahc;
2140		sd.sd_control_offset = SEECTL;
2141		sd.sd_status_offset = SEECTL;
2142		sd.sd_dataout_offset = SEECTL;
2143
2144		ahc_acquire_seeprom(ahc, &sd);
2145		configure_termination(ahc, &sd,
2146				      ahc->seep_config->adapter_control,
2147				      &sxfrctl1);
2148		ahc_release_seeprom(&sd);
2149	}
2150	return (ahc_resume(ahc));
2151}
2152
2153static int
2154ahc_aic785X_setup(struct ahc_softc *ahc)
2155{
2156	aic_dev_softc_t pci;
2157	uint8_t rev;
2158
2159	pci = ahc->dev_softc;
2160	ahc->channel = 'A';
2161	ahc->chip = AHC_AIC7850;
2162	ahc->features = AHC_AIC7850_FE;
2163	ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
2164	rev = aic_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
2165	if (rev >= 1)
2166		ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
2167	ahc->instruction_ram_size = 512;
2168	return (0);
2169}
2170
2171static int
2172ahc_aic7860_setup(struct ahc_softc *ahc)
2173{
2174	aic_dev_softc_t pci;
2175	uint8_t rev;
2176
2177	pci = ahc->dev_softc;
2178	ahc->channel = 'A';
2179	ahc->chip = AHC_AIC7860;
2180	ahc->features = AHC_AIC7860_FE;
2181	ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
2182	rev = aic_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
2183	if (rev >= 1)
2184		ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
2185	ahc->instruction_ram_size = 512;
2186	return (0);
2187}
2188
2189static int
2190ahc_apa1480_setup(struct ahc_softc *ahc)
2191{
2192	int error;
2193
2194	error = ahc_aic7860_setup(ahc);
2195	if (error != 0)
2196		return (error);
2197	ahc->features |= AHC_REMOVABLE;
2198	return (0);
2199}
2200
2201static int
2202ahc_aic7870_setup(struct ahc_softc *ahc)
2203{
2204
2205	ahc->channel = 'A';
2206	ahc->chip = AHC_AIC7870;
2207	ahc->features = AHC_AIC7870_FE;
2208	ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
2209	ahc->instruction_ram_size = 512;
2210	return (0);
2211}
2212
2213static int
2214ahc_aha394X_setup(struct ahc_softc *ahc)
2215{
2216	int error;
2217
2218	error = ahc_aic7870_setup(ahc);
2219	if (error == 0)
2220		error = ahc_aha394XX_setup(ahc);
2221	return (error);
2222}
2223
2224static int
2225ahc_aha398X_setup(struct ahc_softc *ahc)
2226{
2227	int error;
2228
2229	error = ahc_aic7870_setup(ahc);
2230	if (error == 0)
2231		error = ahc_aha398XX_setup(ahc);
2232	return (error);
2233}
2234
2235static int
2236ahc_aha494X_setup(struct ahc_softc *ahc)
2237{
2238	int error;
2239
2240	error = ahc_aic7870_setup(ahc);
2241	if (error == 0)
2242		error = ahc_aha494XX_setup(ahc);
2243	return (error);
2244}
2245
2246static int
2247ahc_aic7880_setup(struct ahc_softc *ahc)
2248{
2249	aic_dev_softc_t pci;
2250	uint8_t rev;
2251
2252	pci = ahc->dev_softc;
2253	ahc->channel = 'A';
2254	ahc->chip = AHC_AIC7880;
2255	ahc->features = AHC_AIC7880_FE;
2256	ahc->bugs |= AHC_TMODE_WIDEODD_BUG;
2257	rev = aic_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
2258	if (rev >= 1) {
2259		ahc->bugs |= AHC_PCI_2_1_RETRY_BUG;
2260	} else {
2261		ahc->bugs |= AHC_CACHETHEN_BUG|AHC_PCI_MWI_BUG;
2262	}
2263	ahc->instruction_ram_size = 512;
2264	return (0);
2265}
2266
2267static int
2268ahc_aha2940Pro_setup(struct ahc_softc *ahc)
2269{
2270
2271	ahc->flags |= AHC_INT50_SPEEDFLEX;
2272	return (ahc_aic7880_setup(ahc));
2273}
2274
2275static int
2276ahc_aha394XU_setup(struct ahc_softc *ahc)
2277{
2278	int error;
2279
2280	error = ahc_aic7880_setup(ahc);
2281	if (error == 0)
2282		error = ahc_aha394XX_setup(ahc);
2283	return (error);
2284}
2285
2286static int
2287ahc_aha398XU_setup(struct ahc_softc *ahc)
2288{
2289	int error;
2290
2291	error = ahc_aic7880_setup(ahc);
2292	if (error == 0)
2293		error = ahc_aha398XX_setup(ahc);
2294	return (error);
2295}
2296
2297static int
2298ahc_aic7890_setup(struct ahc_softc *ahc)
2299{
2300	aic_dev_softc_t pci;
2301	uint8_t rev;
2302
2303	pci = ahc->dev_softc;
2304	ahc->channel = 'A';
2305	ahc->chip = AHC_AIC7890;
2306	ahc->features = AHC_AIC7890_FE;
2307	ahc->flags |= AHC_NEWEEPROM_FMT;
2308	rev = aic_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
2309	if (rev == 0)
2310		ahc->bugs |= AHC_AUTOFLUSH_BUG|AHC_CACHETHEN_BUG;
2311	ahc->instruction_ram_size = 768;
2312	return (0);
2313}
2314
2315static int
2316ahc_aic7892_setup(struct ahc_softc *ahc)
2317{
2318
2319	ahc->channel = 'A';
2320	ahc->chip = AHC_AIC7892;
2321	ahc->features = AHC_AIC7892_FE;
2322	ahc->flags |= AHC_NEWEEPROM_FMT;
2323	ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
2324	ahc->instruction_ram_size = 1024;
2325	return (0);
2326}
2327
2328static int
2329ahc_aic7895_setup(struct ahc_softc *ahc)
2330{
2331	aic_dev_softc_t pci;
2332	uint8_t rev;
2333
2334	pci = ahc->dev_softc;
2335	ahc->channel = aic_get_pci_function(pci) == 1 ? 'B' : 'A';
2336	/*
2337	 * The 'C' revision of the aic7895 has a few additional features.
2338	 */
2339	rev = aic_pci_read_config(pci, PCIR_REVID, /*bytes*/1);
2340	if (rev >= 4) {
2341		ahc->chip = AHC_AIC7895C;
2342		ahc->features = AHC_AIC7895C_FE;
2343	} else  {
2344		u_int command;
2345
2346		ahc->chip = AHC_AIC7895;
2347		ahc->features = AHC_AIC7895_FE;
2348
2349		/*
2350		 * The BIOS disables the use of MWI transactions
2351		 * since it does not have the MWI bug work around
2352		 * we have.  Disabling MWI reduces performance, so
2353		 * turn it on again.
2354		 */
2355		command = aic_pci_read_config(pci, PCIR_COMMAND, /*bytes*/1);
2356		command |= PCIM_CMD_MWRICEN;
2357		aic_pci_write_config(pci, PCIR_COMMAND, command, /*bytes*/1);
2358		ahc->bugs |= AHC_PCI_MWI_BUG;
2359	}
2360	/*
2361	 * XXX Does CACHETHEN really not work???  What about PCI retry?
2362	 * on C level chips.  Need to test, but for now, play it safe.
2363	 */
2364	ahc->bugs |= AHC_TMODE_WIDEODD_BUG|AHC_PCI_2_1_RETRY_BUG
2365		  |  AHC_CACHETHEN_BUG;
2366
2367#if 0
2368	uint32_t devconfig;
2369
2370	/*
2371	 * Cachesize must also be zero due to stray DAC
2372	 * problem when sitting behind some bridges.
2373	 */
2374	aic_pci_write_config(pci, CSIZE_LATTIME, 0, /*bytes*/1);
2375	devconfig = aic_pci_read_config(pci, DEVCONFIG, /*bytes*/1);
2376	devconfig |= MRDCEN;
2377	aic_pci_write_config(pci, DEVCONFIG, devconfig, /*bytes*/1);
2378#endif
2379	ahc->flags |= AHC_NEWEEPROM_FMT;
2380	ahc->instruction_ram_size = 512;
2381	return (0);
2382}
2383
2384static int
2385ahc_aic7896_setup(struct ahc_softc *ahc)
2386{
2387	aic_dev_softc_t pci;
2388
2389	pci = ahc->dev_softc;
2390	ahc->channel = aic_get_pci_function(pci) == 1 ? 'B' : 'A';
2391	ahc->chip = AHC_AIC7896;
2392	ahc->features = AHC_AIC7896_FE;
2393	ahc->flags |= AHC_NEWEEPROM_FMT;
2394	ahc->bugs |= AHC_CACHETHEN_DIS_BUG;
2395	ahc->instruction_ram_size = 768;
2396	return (0);
2397}
2398
2399static int
2400ahc_aic7899_setup(struct ahc_softc *ahc)
2401{
2402	aic_dev_softc_t pci;
2403
2404	pci = ahc->dev_softc;
2405	ahc->channel = aic_get_pci_function(pci) == 1 ? 'B' : 'A';
2406	ahc->chip = AHC_AIC7899;
2407	ahc->features = AHC_AIC7899_FE;
2408	ahc->flags |= AHC_NEWEEPROM_FMT;
2409	ahc->bugs |= AHC_SCBCHAN_UPLOAD_BUG;
2410	ahc->instruction_ram_size = 1024;
2411	return (0);
2412}
2413
2414static int
2415ahc_aha29160C_setup(struct ahc_softc *ahc)
2416{
2417	int error;
2418
2419	error = ahc_aic7899_setup(ahc);
2420	if (error != 0)
2421		return (error);
2422	ahc->features |= AHC_REMOVABLE;
2423	return (0);
2424}
2425
2426static int
2427ahc_raid_setup(struct ahc_softc *ahc)
2428{
2429	printf("RAID functionality unsupported\n");
2430	return (ENXIO);
2431}
2432
2433static int
2434ahc_aha394XX_setup(struct ahc_softc *ahc)
2435{
2436	aic_dev_softc_t pci;
2437
2438	pci = ahc->dev_softc;
2439	switch (aic_get_pci_slot(pci)) {
2440	case AHC_394X_SLOT_CHANNEL_A:
2441		ahc->channel = 'A';
2442		break;
2443	case AHC_394X_SLOT_CHANNEL_B:
2444		ahc->channel = 'B';
2445		break;
2446	default:
2447		printf("adapter at unexpected slot %d\n"
2448		       "unable to map to a channel\n",
2449		       aic_get_pci_slot(pci));
2450		ahc->channel = 'A';
2451	}
2452	return (0);
2453}
2454
2455static int
2456ahc_aha398XX_setup(struct ahc_softc *ahc)
2457{
2458	aic_dev_softc_t pci;
2459
2460	pci = ahc->dev_softc;
2461	switch (aic_get_pci_slot(pci)) {
2462	case AHC_398X_SLOT_CHANNEL_A:
2463		ahc->channel = 'A';
2464		break;
2465	case AHC_398X_SLOT_CHANNEL_B:
2466		ahc->channel = 'B';
2467		break;
2468	case AHC_398X_SLOT_CHANNEL_C:
2469		ahc->channel = 'C';
2470		break;
2471	default:
2472		printf("adapter at unexpected slot %d\n"
2473		       "unable to map to a channel\n",
2474		       aic_get_pci_slot(pci));
2475		ahc->channel = 'A';
2476		break;
2477	}
2478	ahc->flags |= AHC_LARGE_SEEPROM;
2479	return (0);
2480}
2481
2482static int
2483ahc_aha494XX_setup(struct ahc_softc *ahc)
2484{
2485	aic_dev_softc_t pci;
2486
2487	pci = ahc->dev_softc;
2488	switch (aic_get_pci_slot(pci)) {
2489	case AHC_494X_SLOT_CHANNEL_A:
2490		ahc->channel = 'A';
2491		break;
2492	case AHC_494X_SLOT_CHANNEL_B:
2493		ahc->channel = 'B';
2494		break;
2495	case AHC_494X_SLOT_CHANNEL_C:
2496		ahc->channel = 'C';
2497		break;
2498	case AHC_494X_SLOT_CHANNEL_D:
2499		ahc->channel = 'D';
2500		break;
2501	default:
2502		printf("adapter at unexpected slot %d\n"
2503		       "unable to map to a channel\n",
2504		       aic_get_pci_slot(pci));
2505		ahc->channel = 'A';
2506	}
2507	ahc->flags |= AHC_LARGE_SEEPROM;
2508	return (0);
2509}
2510