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