summaryrefslogtreecommitdiffstats
path: root/drivers/scsi/advansys.c
blob: 95b4793c33f402b0413273553d8dc55dc8c68180 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
2195
2196
2197
2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242
2243
2244
2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374
2375
2376
2377
2378
2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
2413
2414
2415
2416
2417
2418
2419
2420
2421
2422
2423
2424
2425
2426
2427
2428
2429
2430
2431
2432
2433
2434
2435
2436
2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
2454
2455
2456
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
2555
2556
2557
2558
2559
2560
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600
2601
2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702
2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
2779
2780
2781
2782
2783
2784
2785
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
3011
3012
3013
3014
3015
3016
3017
3018
3019
3020
3021
3022
3023
3024
3025
3026
3027
3028
3029
3030
3031
3032
3033
3034
3035
3036
3037
3038
3039
3040
3041
3042
3043
3044
3045
3046
3047
3048
3049
3050
3051
3052
3053
3054
3055
3056
3057
3058
3059
3060
3061
3062
3063
3064
3065
3066
3067
3068
3069
3070
3071
3072
3073
3074
3075
3076
3077
3078
3079
3080
3081
3082
3083
3084
3085
3086
3087
3088
3089
3090
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114
3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
3125
3126
3127
3128
3129
3130
3131
3132
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
3160
3161
3162
3163
3164
3165
3166
3167
3168
3169
3170
3171
3172
3173
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
3189
3190
3191
3192
3193
3194
3195
3196
3197
3198
3199
3200
3201
3202
3203
3204
3205
3206
3207
3208
3209
3210
3211
3212
3213
3214
3215
3216
3217
3218
3219
3220
3221
3222
3223
3224
3225
3226
3227
3228
3229
3230
3231
3232
3233
3234
3235
3236
3237
3238
3239
3240
3241
3242
3243
3244
3245
3246
3247
3248
3249
3250
3251
3252
3253
3254
3255
3256
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266
3267
3268
3269
3270
3271
3272
3273
3274
3275
3276
3277
3278
3279
3280
3281
3282
3283
3284
3285
3286
3287
3288
3289
3290
3291
3292
3293
3294
3295
3296
3297
3298
3299
3300
3301
3302
3303
3304
3305
3306
3307
3308
3309
3310
3311
3312
3313
3314
3315
3316
3317
3318
3319
3320
3321
3322
3323
3324
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
3340
3341
3342
3343
3344
3345
3346
3347
3348
3349
3350
3351
3352
3353
3354
3355
3356
3357
3358
3359
3360
3361
3362
3363
3364
3365
3366
3367
3368
3369
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
3385
3386
3387
3388
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
3592
3593
3594
3595
3596
3597
3598
3599
3600
3601
3602
3603
3604
3605
3606
3607
3608
3609
3610
3611
3612
3613
3614
3615
3616
3617
3618
3619
3620
3621
3622
3623
3624
3625
3626
3627
3628
3629
3630
3631
3632
3633
3634
3635
3636
3637
3638
3639
3640
3641
3642
3643
3644
3645
3646
3647
3648
3649
3650
3651
3652
3653
3654
3655
3656
3657
3658
3659
3660
3661
3662
3663
3664
3665
3666
3667
3668
3669
3670
3671
3672
3673
3674
3675
3676
3677
3678
3679
3680
3681
3682
3683
3684
3685
3686
3687
3688
3689
3690
3691
3692
3693
3694
3695
3696
3697
3698
3699
3700
3701
3702
3703
3704
3705
3706
3707
3708
3709
3710
3711
3712
3713
3714
3715
3716
3717
3718
3719
3720
3721
3722
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
3743
3744
3745
3746
3747
3748
3749
3750
3751
3752
3753
3754
3755
3756
3757
3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
3777
3778
3779
3780
3781
3782
3783
3784
3785
3786
3787
3788
3789
3790
3791
3792
3793
3794
3795
3796
3797
3798
3799
3800
3801
3802
3803
3804
3805
3806
3807
3808
3809
3810
3811
3812
3813
3814
3815
3816
3817
3818
3819
3820
3821
3822
3823
3824
3825
3826
3827
3828
3829
3830
3831
3832
3833
3834
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
3858
3859
3860
3861
3862
3863
3864
3865
3866
3867
3868
3869
3870
3871
3872
3873
3874
3875
3876
3877
3878
3879
3880
3881
3882
3883
3884
3885
3886
3887
3888
3889
3890
3891
3892
3893
3894
3895
3896
3897
3898
3899
3900
3901
3902
3903
3904
3905
3906
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
3925
3926
3927
3928
3929
3930
3931
3932
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
3950
3951
3952
3953
3954
3955
3956
3957
3958
3959
3960
3961
3962
3963
3964
3965
3966
3967
3968
3969
3970
3971
3972
3973
3974
3975
3976
3977
3978
3979
3980
3981
3982
3983
3984
3985
3986
3987
3988
3989
3990
3991
3992
3993
3994
3995
3996
3997
3998
3999
4000
4001
4002
4003
4004
4005
4006
4007
4008
4009
4010
4011
4012
4013
4014
4015
4016
4017
4018
4019
4020
4021
4022
4023
4024
4025
4026
4027
4028
4029
4030
4031
4032
4033
4034
4035
4036
4037
4038
4039
4040
4041
4042
4043
4044
4045
4046
4047
4048
4049
4050
4051
4052
4053
4054
4055
4056
4057
4058
4059
4060
4061
4062
4063
4064
4065
4066
4067
4068
4069
4070
4071
4072
4073
4074
4075
4076
4077
4078
4079
4080
4081
4082
4083
4084
4085
4086
4087
4088
4089
4090
4091
4092
4093
4094
4095
4096
4097
4098
4099
4100
4101
4102
4103
4104
4105
4106
4107
4108
4109
4110
4111
4112
4113
4114
4115
4116
4117
4118
4119
4120
4121
4122
4123
4124
4125
4126
4127
4128
4129
4130
4131
4132
4133
4134
4135
4136
4137
4138
4139
4140
4141
4142
4143
4144
4145
4146
4147
4148
4149
4150
4151
4152
4153
4154
4155
4156
4157
4158
4159
4160
4161
4162
4163
4164
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
4181
4182
4183
4184
4185
4186
4187
4188
4189
4190
4191
4192
4193
4194
4195
4196
4197
4198
4199
4200
4201
4202
4203
4204
4205
4206
4207
4208
4209
4210
4211
4212
4213
4214
4215
4216
4217
4218
4219
4220
4221
4222
4223
4224
4225
4226
4227
4228
4229
4230
4231
4232
4233
4234
4235
4236
4237
4238
4239
4240
4241
4242
4243
4244
4245
4246
4247
4248
4249
4250
4251
4252
4253
4254
4255
4256
4257
4258
4259
4260
4261
4262
4263
4264
4265
4266
4267
4268
4269
4270
4271
4272
4273
4274
4275
4276
4277
4278
4279
4280
4281
4282
4283
4284
4285
4286
4287
4288
4289
4290
4291
4292
4293
4294
4295
4296
4297
4298
4299
4300
4301
4302
4303
4304
4305
4306
4307
4308
4309
4310
4311
4312
4313
4314
4315
4316
4317
4318
4319
4320
4321
4322
4323
4324
4325
4326
4327
4328
4329
4330
4331
4332
4333
4334
4335
4336
4337
4338
4339
4340
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
4363
4364
4365
4366
4367
4368
4369
4370
4371
4372
4373
4374
4375
4376
4377
4378
4379
4380
4381
4382
4383
4384
4385
4386
4387
4388
4389
4390
4391
4392
4393
4394
4395
4396
4397
4398
4399
4400
4401
4402
4403
4404
4405
4406
4407
4408
4409
4410
4411
4412
4413
4414
4415
4416
4417
4418
4419
4420
4421
4422
4423
4424
4425
4426
4427
4428
4429
4430
4431
4432
4433
4434
4435
4436
4437
4438
4439
4440
4441
4442
4443
4444
4445
4446
4447
4448
4449
4450
4451
4452
4453
4454
4455
4456
4457
4458
4459
4460
4461
4462
4463
4464
4465
4466
4467
4468
4469
4470
4471
4472
4473
4474
4475
4476
4477
4478
4479
4480
4481
4482
4483
4484
4485
4486
4487
4488
4489
4490
4491
4492
4493
4494
4495
4496
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512
4513
4514
4515
4516
4517
4518
4519
4520
4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
4569
4570
4571
4572
4573
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
4593
4594
4595
4596
4597
4598
4599
4600
4601
4602
4603
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
4622
4623
4624
4625
4626
4627
4628
4629
4630
4631
4632
4633
4634
4635
4636
4637
4638
4639
4640
4641
4642
4643
4644
4645
4646
4647
4648
4649
4650
4651
4652
4653
4654
4655
4656
4657
4658
4659
4660
4661
4662
4663
4664
4665
4666
4667
4668
4669
4670
4671
4672
4673
4674
4675
4676
4677
4678
4679
4680
4681
4682
4683
4684
4685
4686
4687
4688
4689
4690
4691
4692
4693
4694
4695
4696
4697
4698
4699
4700
4701
4702
4703
4704
4705
4706
4707
4708
4709
4710
4711
4712
4713
4714
4715
4716
4717
4718
4719
4720
4721
4722
4723
4724
4725
4726
4727
4728
4729
4730
4731
4732
4733
4734
4735
4736
4737
4738
4739
4740
4741
4742
4743
4744
4745
4746
4747
4748
4749
4750
4751
4752
4753
4754
4755
4756
4757
4758
4759
4760
4761
4762
4763
4764
4765
4766
4767
4768
4769
4770
4771
4772
4773
4774
4775
4776
4777
4778
4779
4780
4781
4782
4783
4784
4785
4786
4787
4788
4789
4790
4791
4792
4793
4794
4795
4796
4797
4798
4799
4800
4801
4802
4803
4804
4805
4806
4807
4808
4809
4810
4811
4812
4813
4814
4815
4816
4817
4818
4819
4820
4821
4822
4823
4824
4825
4826
4827
4828
4829
4830
4831
4832
4833
4834
4835
4836
4837
4838
4839
4840
4841
4842
4843
4844
4845
4846
4847
4848
4849
4850
4851
4852
4853
4854
4855
4856
4857
4858
4859
4860
4861
4862
4863
4864
4865
4866
4867
4868
4869
4870
4871
4872
4873
4874
4875
4876
4877
4878
4879
4880
4881
4882
4883
4884
4885
4886
4887
4888
4889
4890
4891
4892
4893
4894
4895
4896
4897
4898
4899
4900
4901
4902
4903
4904
4905
4906
4907
4908
4909
4910
4911
4912
4913
4914
4915
4916
4917
4918
4919
4920
4921
4922
4923
4924
4925
4926
4927
4928
4929
4930
4931
4932
4933
4934
4935
4936
4937
4938
4939
4940
4941
4942
4943
4944
4945
4946
4947
4948
4949
4950
4951
4952
4953
4954
4955
4956
4957
4958
4959
4960
4961
4962
4963
4964
4965
4966
4967
4968
4969
4970
4971
4972
4973
4974
4975
4976
4977
4978
4979
4980
4981
4982
4983
4984
4985
4986
4987
4988
4989
4990
4991
4992
4993
4994
4995
4996
4997
4998
4999
5000
5001
5002
5003
5004
5005
5006
5007
5008
5009
5010
5011
5012
5013
5014
5015
5016
5017
5018
5019
5020
5021
5022
5023
5024
5025
5026
5027
5028
5029
5030
5031
5032
5033
5034
5035
5036
5037
5038
5039
5040
5041
5042
5043
5044
5045
5046
5047
5048
5049
5050
5051
5052
5053
5054
5055
5056
5057
5058
5059
5060
5061
5062
5063
5064
5065
5066
5067
5068
5069
5070
5071
5072
5073
5074
5075
5076
5077
5078
5079
5080
5081
5082
5083
5084
5085
5086
5087
5088
5089
5090
5091
5092
5093
5094
5095
5096
5097
5098
5099
5100
5101
5102
5103
5104
5105
5106
5107
5108
5109
5110
5111
5112
5113
5114
5115
5116
5117
5118
5119
5120
5121
5122
5123
5124
5125
5126
5127
5128
5129
5130
5131
5132
5133
5134
5135
5136
5137
5138
5139
5140
5141
5142
5143
5144
5145
5146
5147
5148
5149
5150
5151
5152
5153
5154
5155
5156
5157
5158
5159
5160
5161
5162
5163
5164
5165
5166
5167
5168
5169
5170
5171
5172
5173
5174
5175
5176
5177
5178
5179
5180
5181
5182
5183
5184
5185
5186
5187
5188
5189
5190
5191
5192
5193
5194
5195
5196
5197
5198
5199
5200
5201
5202
5203
5204
5205
5206
5207
5208
5209
5210
5211
5212
5213
5214
5215
5216
5217
5218
5219
5220
5221
5222
5223
5224
5225
5226
5227
5228
5229
5230
5231
5232
5233
5234
5235
5236
5237
5238
5239
5240
5241
5242
5243
5244
5245
5246
5247
5248
5249
5250
5251
5252
5253
5254
5255
5256
5257
5258
5259
5260
5261
5262
5263
5264
5265
5266
5267
5268
5269
5270
5271
5272
5273
5274
5275
5276
5277
5278
5279
5280
5281
5282
5283
5284
5285
5286
5287
5288
5289
5290
5291
5292
5293
5294
5295
5296
5297
5298
5299
5300
5301
5302
5303
5304
5305
5306
5307
5308
5309
5310
5311
5312
5313
5314
5315
5316
5317
5318
5319
5320
5321
5322
5323
5324
5325
5326
5327
5328
5329
5330
5331
5332
5333
5334
5335
5336
5337
5338
5339
5340
5341
5342
5343
5344
5345
5346
5347
5348
5349
5350
5351
5352
5353
5354
5355
5356
5357
5358
5359
5360
5361
5362
5363
5364
5365
5366
5367
5368
5369
5370
5371
5372
5373
5374
5375
5376
5377
5378
5379
5380
5381
5382
5383
5384
5385
5386
5387
5388
5389
5390
5391
5392
5393
5394
5395
5396
5397
5398
5399
5400
5401
5402
5403
5404
5405
5406
5407
5408
5409
5410
5411
5412
5413
5414
5415
5416
5417
5418
5419
5420
5421
5422
5423
5424
5425
5426
5427
5428
5429
5430
5431
5432
5433
5434
5435
5436
5437
5438
5439
5440
5441
5442
5443
5444
5445
5446
5447
5448
5449
5450
5451
5452
5453
5454
5455
5456
5457
5458
5459
5460
5461
5462
5463
5464
5465
5466
5467
5468
5469
5470
5471
5472
5473
5474
5475
5476
5477
5478
5479
5480
5481
5482
5483
5484
5485
5486
5487
5488
5489
5490
5491
5492
5493
5494
5495
5496
5497
5498
5499
5500
5501
5502
5503
5504
5505
5506
5507
5508
5509
5510
5511
5512
5513
5514
5515
5516
5517
5518
5519
5520
5521
5522
5523
5524
5525
5526
5527
5528
5529
5530
5531
5532
5533
5534
5535
5536
5537
5538
5539
5540
5541
5542
5543
5544
5545
5546
5547
5548
5549
5550
5551
5552
5553
5554
5555
5556
5557
5558
5559
5560
5561
5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575
5576
5577
5578
5579
5580
5581
5582
5583
5584
5585
5586
5587
5588
5589
5590
5591
5592
5593
5594
5595
5596
5597
5598
5599
5600
5601
5602
5603
5604
5605
5606
5607
5608
5609
5610
5611
5612
5613
5614
5615
5616
5617
5618
5619
5620
5621
5622
5623
5624
5625
5626
5627
5628
5629
5630
5631
5632
5633
5634
5635
5636
5637
5638
5639
5640
5641
5642
5643
5644
5645
5646
5647
5648
5649
5650
5651
5652
5653
5654
5655
5656
5657
5658
5659
5660
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
5671
5672
5673
5674
5675
5676
5677
5678
5679
5680
5681
5682
5683
5684
5685
5686
5687
5688
5689
5690
5691
5692
5693
5694
5695
5696
5697
5698
5699
5700
5701
5702
5703
5704
5705
5706
5707
5708
5709
5710
5711
5712
5713
5714
5715
5716
5717
5718
5719
5720
5721
5722
5723
5724
5725
5726
5727
5728
5729
5730
5731
5732
5733
5734
5735
5736
5737
5738
5739
5740
5741
5742
5743
5744
5745
5746
5747
5748
5749
5750
5751
5752
5753
5754
5755
5756
5757
5758
5759
5760
5761
5762
5763
5764
5765
5766
5767
5768
5769
5770
5771
5772
5773
5774
5775
5776
5777
5778
5779
5780
5781
5782
5783
5784
5785
5786
5787
5788
5789
5790
5791
5792
5793
5794
5795
5796
5797
5798
5799
5800
5801
5802
5803
5804
5805
5806
5807
5808
5809
5810
5811
5812
5813
5814
5815
5816
5817
5818
5819
5820
5821
5822
5823
5824
5825
5826
5827
5828
5829
5830
5831
5832
5833
5834
5835
5836
5837
5838
5839
5840
5841
5842
5843
5844
5845
5846
5847
5848
5849
5850
5851
5852
5853
5854
5855
5856
5857
5858
5859
5860
5861
5862
5863
5864
5865
5866
5867
5868
5869
5870
5871
5872
5873
5874
5875
5876
5877
5878
5879
5880
5881
5882
5883
5884
5885
5886
5887
5888
5889
5890
5891
5892
5893
5894
5895
5896
5897
5898
5899
5900
5901
5902
5903
5904
5905
5906
5907
5908
5909
5910
5911
5912
5913
5914
5915
5916
5917
5918
5919
5920
5921
5922
5923
5924
5925
5926
5927
5928
5929
5930
5931
5932
5933
5934
5935
5936
5937
5938
5939
5940
5941
5942
5943
5944
5945
5946
5947
5948
5949
5950
5951
5952
5953
5954
5955
5956
5957
5958
5959
5960
5961
5962
5963
5964
5965
5966
5967
5968
5969
5970
5971
5972
5973
5974
5975
5976
5977
5978
5979
5980
5981
5982
5983
5984
5985
5986
5987
5988
5989
5990
5991
5992
5993
5994
5995
5996
5997
5998
5999
6000
6001
6002
6003
6004
6005
6006
6007
6008
6009
6010
6011
6012
6013
6014
6015
6016
6017
6018
6019
6020
6021
6022
6023
6024
6025
6026
6027
6028
6029
6030
6031
6032
6033
6034
6035
6036
6037
6038
6039
6040
6041
6042
6043
6044
6045
6046
6047
6048
6049
6050
6051
6052
6053
6054
6055
6056
6057
6058
6059
6060
6061
6062
6063
6064
6065
6066
6067
6068
6069
6070
6071
6072
6073
6074
6075
6076
6077
6078
6079
6080
6081
6082
6083
6084
6085
6086
6087
6088
6089
6090
6091
6092
6093
6094
6095
6096
6097
6098
6099
6100
6101
6102
6103
6104
6105
6106
6107
6108
6109
6110
6111
6112
6113
6114
6115
6116
6117
6118
6119
6120
6121
6122
6123
6124
6125
6126
6127
6128
6129
6130
6131
6132
6133
6134
6135
6136
6137
6138
6139
6140
6141
6142
6143
6144
6145
6146
6147
6148
6149
6150
6151
6152
6153
6154
6155
6156
6157
6158
6159
6160
6161
6162
6163
6164
6165
6166
6167
6168
6169
6170
6171
6172
6173
6174
6175
6176
6177
6178
6179
6180
6181
6182
6183
6184
6185
6186
6187
6188
6189
6190
6191
6192
6193
6194
6195
6196
6197
6198
6199
6200
6201
6202
6203
6204
6205
6206
6207
6208
6209
6210
6211
6212
6213
6214
6215
6216
6217
6218
6219
6220
6221
6222
6223
6224
6225
6226
6227
6228
6229
6230
6231
6232
6233
6234
6235
6236
6237
6238
6239
6240
6241
6242
6243
6244
6245
6246
6247
6248
6249
6250
6251
6252
6253
6254
6255
6256
6257
6258
6259
6260
6261
6262
6263
6264
6265
6266
6267
6268
6269
6270
6271
6272
6273
6274
6275
6276
6277
6278
6279
6280
6281
6282
6283
6284
6285
6286
6287
6288
6289
6290
6291
6292
6293
6294
6295
6296
6297
6298
6299
6300
6301
6302
6303
6304
6305
6306
6307
6308
6309
6310
6311
6312
6313
6314
6315
6316
6317
6318
6319
6320
6321
6322
6323
6324
6325
6326
6327
6328
6329
6330
6331
6332
6333
6334
6335
6336
6337
6338
6339
6340
6341
6342
6343
6344
6345
6346
6347
6348
6349
6350
6351
6352
6353
6354
6355
6356
6357
6358
6359
6360
6361
6362
6363
6364
6365
6366
6367
6368
6369
6370
6371
6372
6373
6374
6375
6376
6377
6378
6379
6380
6381
6382
6383
6384
6385
6386
6387
6388
6389
6390
6391
6392
6393
6394
6395
6396
6397
6398
6399
6400
6401
6402
6403
6404
6405
6406
6407
6408
6409
6410
6411
6412
6413
6414
6415
6416
6417
6418
6419
6420
6421
6422
6423
6424
6425
6426
6427
6428
6429
6430
6431
6432
6433
6434
6435
6436
6437
6438
6439
6440
6441
6442
6443
6444
6445
6446
6447
6448
6449
6450
6451
6452
6453
6454
6455
6456
6457
6458
6459
6460
6461
6462
6463
6464
6465
6466
6467
6468
6469
6470
6471
6472
6473
6474
6475
6476
6477
6478
6479
6480
6481
6482
6483
6484
6485
6486
6487
6488
6489
6490
6491
6492
6493
6494
6495
6496
6497
6498
6499
6500
6501
6502
6503
6504
6505
6506
6507
6508
6509
6510
6511
6512
6513
6514
6515
6516
6517
6518
6519
6520
6521
6522
6523
6524
6525
6526
6527
6528
6529
6530
6531
6532
6533
6534
6535
6536
6537
6538
6539
6540
6541
6542
6543
6544
6545
6546
6547
6548
6549
6550
6551
6552
6553
6554
6555
6556
6557
6558
6559
6560
6561
6562
6563
6564
6565
6566
6567
6568
6569
6570
6571
6572
6573
6574
6575
6576
6577
6578
6579
6580
6581
6582
6583
6584
6585
6586
6587
6588
6589
6590
6591
6592
6593
6594
6595
6596
6597
6598
6599
6600
6601
6602
6603
6604
6605
6606
6607
6608
6609
6610
6611
6612
6613
6614
6615
6616
6617
6618
6619
6620
6621
6622
6623
6624
6625
6626
6627
6628
6629
6630
6631
6632
6633
6634
6635
6636
6637
6638
6639
6640
6641
6642
6643
6644
6645
6646
6647
6648
6649
6650
6651
6652
6653
6654
6655
6656
6657
6658
6659
6660
6661
6662
6663
6664
6665
6666
6667
6668
6669
6670
6671
6672
6673
6674
6675
6676
6677
6678
6679
6680
6681
6682
6683
6684
6685
6686
6687
6688
6689
6690
6691
6692
6693
6694
6695
6696
6697
6698
6699
6700
6701
6702
6703
6704
6705
6706
6707
6708
6709
6710
6711
6712
6713
6714
6715
6716
6717
6718
6719
6720
6721
6722
6723
6724
6725
6726
6727
6728
6729
6730
6731
6732
6733
6734
6735
6736
6737
6738
6739
6740
6741
6742
6743
6744
6745
6746
6747
6748
6749
6750
6751
6752
6753
6754
6755
6756
6757
6758
6759
6760
6761
6762
6763
6764
6765
6766
6767
6768
6769
6770
6771
6772
6773
6774
6775
6776
6777
6778
6779
6780
6781
6782
6783
6784
6785
6786
6787
6788
6789
6790
6791
6792
6793
6794
6795
6796
6797
6798
6799
6800
6801
6802
6803
6804
6805
6806
6807
6808
6809
6810
6811
6812
6813
6814
6815
6816
6817
6818
6819
6820
6821
6822
6823
6824
6825
6826
6827
6828
6829
6830
6831
6832
6833
6834
6835
6836
6837
6838
6839
6840
6841
6842
6843
6844
6845
6846
6847
6848
6849
6850
6851
6852
6853
6854
6855
6856
6857
6858
6859
6860
6861
6862
6863
6864
6865
6866
6867
6868
6869
6870
6871
6872
6873
6874
6875
6876
6877
6878
6879
6880
6881
6882
6883
6884
6885
6886
6887
6888
6889
6890
6891
6892
6893
6894
6895
6896
6897
6898
6899
6900
6901
6902
6903
6904
6905
6906
6907
6908
6909
6910
6911
6912
6913
6914
6915
6916
6917
6918
6919
6920
6921
6922
6923
6924
6925
6926
6927
6928
6929
6930
6931
6932
6933
6934
6935
6936
6937
6938
6939
6940
6941
6942
6943
6944
6945
6946
6947
6948
6949
6950
6951
6952
6953
6954
6955
6956
6957
6958
6959
6960
6961
6962
6963
6964
6965
6966
6967
6968
6969
6970
6971
6972
6973
6974
6975
6976
6977
6978
6979
6980
6981
6982
6983
6984
6985
6986
6987
6988
6989
6990
6991
6992
6993
6994
6995
6996
6997
6998
6999
7000
7001
7002
7003
7004
7005
7006
7007
7008
7009
7010
7011
7012
7013
7014
7015
7016
7017
7018
7019
7020
7021
7022
7023
7024
7025
7026
7027
7028
7029
7030
7031
7032
7033
7034
7035
7036
7037
7038
7039
7040
7041
7042
7043
7044
7045
7046
7047
7048
7049
7050
7051
7052
7053
7054
7055
7056
7057
7058
7059
7060
7061
7062
7063
7064
7065
7066
7067
7068
7069
7070
7071
7072
7073
7074
7075
7076
7077
7078
7079
7080
7081
7082
7083
7084
7085
7086
7087
7088
7089
7090
7091
7092
7093
7094
7095
7096
7097
7098
7099
7100
7101
7102
7103
7104
7105
7106
7107
7108
7109
7110
7111
7112
7113
7114
7115
7116
7117
7118
7119
7120
7121
7122
7123
7124
7125
7126
7127
7128
7129
7130
7131
7132
7133
7134
7135
7136
7137
7138
7139
7140
7141
7142
7143
7144
7145
7146
7147
7148
7149
7150
7151
7152
7153
7154
7155
7156
7157
7158
7159
7160
7161
7162
7163
7164
7165
7166
7167
7168
7169
7170
7171
7172
7173
7174
7175
7176
7177
7178
7179
7180
7181
7182
7183
7184
7185
7186
7187
7188
7189
7190
7191
7192
7193
7194
7195
7196
7197
7198
7199
7200
7201
7202
7203
7204
7205
7206
7207
7208
7209
7210
7211
7212
7213
7214
7215
7216
7217
7218
7219
7220
7221
7222
7223
7224
7225
7226
7227
7228
7229
7230
7231
7232
7233
7234
7235
7236
7237
7238
7239
7240
7241
7242
7243
7244
7245
7246
7247
7248
7249
7250
7251
7252
7253
7254
7255
7256
7257
7258
7259
7260
7261
7262
7263
7264
7265
7266
7267
7268
7269
7270
7271
7272
7273
7274
7275
7276
7277
7278
7279
7280
7281
7282
7283
7284
7285
7286
7287
7288
7289
7290
7291
7292
7293
7294
7295
7296
7297
7298
7299
7300
7301
7302
7303
7304
7305
7306
7307
7308
7309
7310
7311
7312
7313
7314
7315
7316
7317
7318
7319
7320
7321
7322
7323
7324
7325
7326
7327
7328
7329
7330
7331
7332
7333
7334
7335
7336
7337
7338
7339
7340
7341
7342
7343
7344
7345
7346
7347
7348
7349
7350
7351
7352
7353
7354
7355
7356
7357
7358
7359
7360
7361
7362
7363
7364
7365
7366
7367
7368
7369
7370
7371
7372
7373
7374
7375
7376
7377
7378
7379
7380
7381
7382
7383
7384
7385
7386
7387
7388
7389
7390
7391
7392
7393
7394
7395
7396
7397
7398
7399
7400
7401
7402
7403
7404
7405
7406
7407
7408
7409
7410
7411
7412
7413
7414
7415
7416
7417
7418
7419
7420
7421
7422
7423
7424
7425
7426
7427
7428
7429
7430
7431
7432
7433
7434
7435
7436
7437
7438
7439
7440
7441
7442
7443
7444
7445
7446
7447
7448
7449
7450
7451
7452
7453
7454
7455
7456
7457
7458
7459
7460
7461
7462
7463
7464
7465
7466
7467
7468
7469
7470
7471
7472
7473
7474
7475
7476
7477
7478
7479
7480
7481
7482
7483
7484
7485
7486
7487
7488
7489
7490
7491
7492
7493
7494
7495
7496
7497
7498
7499
7500
7501
7502
7503
7504
7505
7506
7507
7508
7509
7510
7511
7512
7513
7514
7515
7516
7517
7518
7519
7520
7521
7522
7523
7524
7525
7526
7527
7528
7529
7530
7531
7532
7533
7534
7535
7536
7537
7538
7539
7540
7541
7542
7543
7544
7545
7546
7547
7548
7549
7550
7551
7552
7553
7554
7555
7556
7557
7558
7559
7560
7561
7562
7563
7564
7565
7566
7567
7568
7569
7570
7571
7572
7573
7574
7575
7576
7577
7578
7579
7580
7581
7582
7583
7584
7585
7586
7587
7588
7589
7590
7591
7592
7593
7594
7595
7596
7597
7598
7599
7600
7601
7602
7603
7604
7605
7606
7607
7608
7609
7610
7611
7612
7613
7614
7615
7616
7617
7618
7619
7620
7621
7622
7623
7624
7625
7626
7627
7628
7629
7630
7631
7632
7633
7634
7635
7636
7637
7638
7639
7640
7641
7642
7643
7644
7645
7646
7647
7648
7649
7650
7651
7652
7653
7654
7655
7656
7657
7658
7659
7660
7661
7662
7663
7664
7665
7666
7667
7668
7669
7670
7671
7672
7673
7674
7675
7676
7677
7678
7679
7680
7681
7682
7683
7684
7685
7686
7687
7688
7689
7690
7691
7692
7693
7694
7695
7696
7697
7698
7699
7700
7701
7702
7703
7704
7705
7706
7707
7708
7709
7710
7711
7712
7713
7714
7715
7716
7717
7718
7719
7720
7721
7722
7723
7724
7725
7726
7727
7728
7729
7730
7731
7732
7733
7734
7735
7736
7737
7738
7739
7740
7741
7742
7743
7744
7745
7746
7747
7748
7749
7750
7751
7752
7753
7754
7755
7756
7757
7758
7759
7760
7761
7762
7763
7764
7765
7766
7767
7768
7769
7770
7771
7772
7773
7774
7775
7776
7777
7778
7779
7780
7781
7782
7783
7784
7785
7786
7787
7788
7789
7790
7791
7792
7793
7794
7795
7796
7797
7798
7799
7800
7801
7802
7803
7804
7805
7806
7807
7808
7809
7810
7811
7812
7813
7814
7815
7816
7817
7818
7819
7820
7821
7822
7823
7824
7825
7826
7827
7828
7829
7830
7831
7832
7833
7834
7835
7836
7837
7838
7839
7840
7841
7842
7843
7844
7845
7846
7847
7848
7849
7850
7851
7852
7853
7854
7855
7856
7857
7858
7859
7860
7861
7862
7863
7864
7865
7866
7867
7868
7869
7870
7871
7872
7873
7874
7875
7876
7877
7878
7879
7880
7881
7882
7883
7884
7885
7886
7887
7888
7889
7890
7891
7892
7893
7894
7895
7896
7897
7898
7899
7900
7901
7902
7903
7904
7905
7906
7907
7908
7909
7910
7911
7912
7913
7914
7915
7916
7917
7918
7919
7920
7921
7922
7923
7924
7925
7926
7927
7928
7929
7930
7931
7932
7933
7934
7935
7936
7937
7938
7939
7940
7941
7942
7943
7944
7945
7946
7947
7948
7949
7950
7951
7952
7953
7954
7955
7956
7957
7958
7959
7960
7961
7962
7963
7964
7965
7966
7967
7968
7969
7970
7971
7972
7973
7974
7975
7976
7977
7978
7979
7980
7981
7982
7983
7984
7985
7986
7987
7988
7989
7990
7991
7992
7993
7994
7995
7996
7997
7998
7999
8000
8001
8002
8003
8004
8005
8006
8007
8008
8009
8010
8011
8012
8013
8014
8015
8016
8017
8018
8019
8020
8021
8022
8023
8024
8025
8026
8027
8028
8029
8030
8031
8032
8033
8034
8035
8036
8037
8038
8039
8040
8041
8042
8043
8044
8045
8046
8047
8048
8049
8050
8051
8052
8053
8054
8055
8056
8057
8058
8059
8060
8061
8062
8063
8064
8065
8066
8067
8068
8069
8070
8071
8072
8073
8074
8075
8076
8077
8078
8079
8080
8081
8082
8083
8084
8085
8086
8087
8088
8089
8090
8091
8092
8093
8094
8095
8096
8097
8098
8099
8100
8101
8102
8103
8104
8105
8106
8107
8108
8109
8110
8111
8112
8113
8114
8115
8116
8117
8118
8119
8120
8121
8122
8123
8124
8125
8126
8127
8128
8129
8130
8131
8132
8133
8134
8135
8136
8137
8138
8139
8140
8141
8142
8143
8144
8145
8146
8147
8148
8149
8150
8151
8152
8153
8154
8155
8156
8157
8158
8159
8160
8161
8162
8163
8164
8165
8166
8167
8168
8169
8170
8171
8172
8173
8174
8175
8176
8177
8178
8179
8180
8181
8182
8183
8184
8185
8186
8187
8188
8189
8190
8191
8192
8193
8194
8195
8196
8197
8198
8199
8200
8201
8202
8203
8204
8205
8206
8207
8208
8209
8210
8211
8212
8213
8214
8215
8216
8217
8218
8219
8220
8221
8222
8223
8224
8225
8226
8227
8228
8229
8230
8231
8232
8233
8234
8235
8236
8237
8238
8239
8240
8241
8242
8243
8244
8245
8246
8247
8248
8249
8250
8251
8252
8253
8254
8255
8256
8257
8258
8259
8260
8261
8262
8263
8264
8265
8266
8267
8268
8269
8270
8271
8272
8273
8274
8275
8276
8277
8278
8279
8280
8281
8282
8283
8284
8285
8286
8287
8288
8289
8290
8291
8292
8293
8294
8295
8296
8297
8298
8299
8300
8301
8302
8303
8304
8305
8306
8307
8308
8309
8310
8311
8312
8313
8314
8315
8316
8317
8318
8319
8320
8321
8322
8323
8324
8325
8326
8327
8328
8329
8330
8331
8332
8333
8334
8335
8336
8337
8338
8339
8340
8341
8342
8343
8344
8345
8346
8347
8348
8349
8350
8351
8352
8353
8354
8355
8356
8357
8358
8359
8360
8361
8362
8363
8364
8365
8366
8367
8368
8369
8370
8371
8372
8373
8374
8375
8376
8377
8378
8379
8380
8381
8382
8383
8384
8385
8386
8387
8388
8389
8390
8391
8392
8393
8394
8395
8396
8397
8398
8399
8400
8401
8402
8403
8404
8405
8406
8407
8408
8409
8410
8411
8412
8413
8414
8415
8416
8417
8418
8419
8420
8421
8422
8423
8424
8425
8426
8427
8428
8429
8430
8431
8432
8433
8434
8435
8436
8437
8438
8439
8440
8441
8442
8443
8444
8445
8446
8447
8448
8449
8450
8451
8452
8453
8454
8455
8456
8457
8458
8459
8460
8461
8462
8463
8464
8465
8466
8467
8468
8469
8470
8471
8472
8473
8474
8475
8476
8477
8478
8479
8480
8481
8482
8483
8484
8485
8486
8487
8488
8489
8490
8491
8492
8493
8494
8495
8496
8497
8498
8499
8500
8501
8502
8503
8504
8505
8506
8507
8508
8509
8510
8511
8512
8513
8514
8515
8516
8517
8518
8519
8520
8521
8522
8523
8524
8525
8526
8527
8528
8529
8530
8531
8532
8533
8534
8535
8536
8537
8538
8539
8540
8541
8542
8543
8544
8545
8546
8547
8548
8549
8550
8551
8552
8553
8554
8555
8556
8557
8558
8559
8560
8561
8562
8563
8564
8565
8566
8567
8568
8569
8570
8571
8572
8573
8574
8575
8576
8577
8578
8579
8580
8581
8582
8583
8584
8585
8586
8587
8588
8589
8590
8591
8592
8593
8594
8595
8596
8597
8598
8599
8600
8601
8602
8603
8604
8605
8606
8607
8608
8609
8610
8611
8612
8613
8614
8615
8616
8617
8618
8619
8620
8621
8622
8623
8624
8625
8626
8627
8628
8629
8630
8631
8632
8633
8634
8635
8636
8637
8638
8639
8640
8641
8642
8643
8644
8645
8646
8647
8648
8649
8650
8651
8652
8653
8654
8655
8656
8657
8658
8659
8660
8661
8662
8663
8664
8665
8666
8667
8668
8669
8670
8671
8672
8673
8674
8675
8676
8677
8678
8679
8680
8681
8682
8683
8684
8685
8686
8687
8688
8689
8690
8691
8692
8693
8694
8695
8696
8697
8698
8699
8700
8701
8702
8703
8704
8705
8706
8707
8708
8709
8710
8711
8712
8713
8714
8715
8716
8717
8718
8719
8720
8721
8722
8723
8724
8725
8726
8727
8728
8729
8730
8731
8732
8733
8734
8735
8736
8737
8738
8739
8740
8741
8742
8743
8744
8745
8746
8747
8748
8749
8750
8751
8752
8753
8754
8755
8756
8757
8758
8759
8760
8761
8762
8763
8764
8765
8766
8767
8768
8769
8770
8771
8772
8773
8774
8775
8776
8777
8778
8779
8780
8781
8782
8783
8784
8785
8786
8787
8788
8789
8790
8791
8792
8793
8794
8795
8796
8797
8798
8799
8800
8801
8802
8803
8804
8805
8806
8807
8808
8809
8810
8811
8812
8813
8814
8815
8816
8817
8818
8819
8820
8821
8822
8823
8824
8825
8826
8827
8828
8829
8830
8831
8832
8833
8834
8835
8836
8837
8838
8839
8840
8841
8842
8843
8844
8845
8846
8847
8848
8849
8850
8851
8852
8853
8854
8855
8856
8857
8858
8859
8860
8861
8862
8863
8864
8865
8866
8867
8868
8869
8870
8871
8872
8873
8874
8875
8876
8877
8878
8879
8880
8881
8882
8883
8884
8885
8886
8887
8888
8889
8890
8891
8892
8893
8894
8895
8896
8897
8898
8899
8900
8901
8902
8903
8904
8905
8906
8907
8908
8909
8910
8911
8912
8913
8914
8915
8916
8917
8918
8919
8920
8921
8922
8923
8924
8925
8926
8927
8928
8929
8930
8931
8932
8933
8934
8935
8936
8937
8938
8939
8940
8941
8942
8943
8944
8945
8946
8947
8948
8949
8950
8951
8952
8953
8954
8955
8956
8957
8958
8959
8960
8961
8962
8963
8964
8965
8966
8967
8968
8969
8970
8971
8972
8973
8974
8975
8976
8977
8978
8979
8980
8981
8982
8983
8984
8985
8986
8987
8988
8989
8990
8991
8992
8993
8994
8995
8996
8997
8998
8999
9000
9001
9002
9003
9004
9005
9006
9007
9008
9009
9010
9011
9012
9013
9014
9015
9016
9017
9018
9019
9020
9021
9022
9023
9024
9025
9026
9027
9028
9029
9030
9031
9032
9033
9034
9035
9036
9037
9038
9039
9040
9041
9042
9043
9044
9045
9046
9047
9048
9049
9050
9051
9052
9053
9054
9055
9056
9057
9058
9059
9060
9061
9062
9063
9064
9065
9066
9067
9068
9069
9070
9071
9072
9073
9074
9075
9076
9077
9078
9079
9080
9081
9082
9083
9084
9085
9086
9087
9088
9089
9090
9091
9092
9093
9094
9095
9096
9097
9098
9099
9100
9101
9102
9103
9104
9105
9106
9107
9108
9109
9110
9111
9112
9113
9114
9115
9116
9117
9118
9119
9120
9121
9122
9123
9124
9125
9126
9127
9128
9129
9130
9131
9132
9133
9134
9135
9136
9137
9138
9139
9140
9141
9142
9143
9144
9145
9146
9147
9148
9149
9150
9151
9152
9153
9154
9155
9156
9157
9158
9159
9160
9161
9162
9163
9164
9165
9166
9167
9168
9169
9170
9171
9172
9173
9174
9175
9176
9177
9178
9179
9180
9181
9182
9183
9184
9185
9186
9187
9188
9189
9190
9191
9192
9193
9194
9195
9196
9197
9198
9199
9200
9201
9202
9203
9204
9205
9206
9207
9208
9209
9210
9211
9212
9213
9214
9215
9216
9217
9218
9219
9220
9221
9222
9223
9224
9225
9226
9227
9228
9229
9230
9231
9232
9233
9234
9235
9236
9237
9238
9239
9240
9241
9242
9243
9244
9245
9246
9247
9248
9249
9250
9251
9252
9253
9254
9255
9256
9257
9258
9259
9260
9261
9262
9263
9264
9265
9266
9267
9268
9269
9270
9271
9272
9273
9274
9275
9276
9277
9278
9279
9280
9281
9282
9283
9284
9285
9286
9287
9288
9289
9290
9291
9292
9293
9294
9295
9296
9297
9298
9299
9300
9301
9302
9303
9304
9305
9306
9307
9308
9309
9310
9311
9312
9313
9314
9315
9316
9317
9318
9319
9320
9321
9322
9323
9324
9325
9326
9327
9328
9329
9330
9331
9332
9333
9334
9335
9336
9337
9338
9339
9340
9341
9342
9343
9344
9345
9346
9347
9348
9349
9350
9351
9352
9353
9354
9355
9356
9357
9358
9359
9360
9361
9362
9363
9364
9365
9366
9367
9368
9369
9370
9371
9372
9373
9374
9375
9376
9377
9378
9379
9380
9381
9382
9383
9384
9385
9386
9387
9388
9389
9390
9391
9392
9393
9394
9395
9396
9397
9398
9399
9400
9401
9402
9403
9404
9405
9406
9407
9408
9409
9410
9411
9412
9413
9414
9415
9416
9417
9418
9419
9420
9421
9422
9423
9424
9425
9426
9427
9428
9429
9430
9431
9432
9433
9434
9435
9436
9437
9438
9439
9440
9441
9442
9443
9444
9445
9446
9447
9448
9449
9450
9451
9452
9453
9454
9455
9456
9457
9458
9459
9460
9461
9462
9463
9464
9465
9466
9467
9468
9469
9470
9471
9472
9473
9474
9475
9476
9477
9478
9479
9480
9481
9482
9483
9484
9485
9486
9487
9488
9489
9490
9491
9492
9493
9494
9495
9496
9497
9498
9499
9500
9501
9502
9503
9504
9505
9506
9507
9508
9509
9510
9511
9512
9513
9514
9515
9516
9517
9518
9519
9520
9521
9522
9523
9524
9525
9526
9527
9528
9529
9530
9531
9532
9533
9534
9535
9536
9537
9538
9539
9540
9541
9542
9543
9544
9545
9546
9547
9548
9549
9550
9551
9552
9553
9554
9555
9556
9557
9558
9559
9560
9561
9562
9563
9564
9565
9566
9567
9568
9569
9570
9571
9572
9573
9574
9575
9576
9577
9578
9579
9580
9581
9582
9583
9584
9585
9586
9587
9588
9589
9590
9591
9592
9593
9594
9595
9596
9597
9598
9599
9600
9601
9602
9603
9604
9605
9606
9607
9608
9609
9610
9611
9612
9613
9614
9615
9616
9617
9618
9619
9620
9621
9622
9623
9624
9625
9626
9627
9628
9629
9630
9631
9632
9633
9634
9635
9636
9637
9638
9639
9640
9641
9642
9643
9644
9645
9646
9647
9648
9649
9650
9651
9652
9653
9654
9655
9656
9657
9658
9659
9660
9661
9662
9663
9664
9665
9666
9667
9668
9669
9670
9671
9672
9673
9674
9675
9676
9677
9678
9679
9680
9681
9682
9683
9684
9685
9686
9687
9688
9689
9690
9691
9692
9693
9694
9695
9696
9697
9698
9699
9700
9701
9702
9703
9704
9705
9706
9707
9708
9709
9710
9711
9712
9713
9714
9715
9716
9717
9718
9719
9720
9721
9722
9723
9724
9725
9726
9727
9728
9729
9730
9731
9732
9733
9734
9735
9736
9737
9738
9739
9740
9741
9742
9743
9744
9745
9746
9747
9748
9749
9750
9751
9752
9753
9754
9755
9756
9757
9758
9759
9760
9761
9762
9763
9764
9765
9766
9767
9768
9769
9770
9771
9772
9773
9774
9775
9776
9777
9778
9779
9780
9781
9782
9783
9784
9785
9786
9787
9788
9789
9790
9791
9792
9793
9794
9795
9796
9797
9798
9799
9800
9801
9802
9803
9804
9805
9806
9807
9808
9809
9810
9811
9812
9813
9814
9815
9816
9817
9818
9819
9820
9821
9822
9823
9824
9825
9826
9827
9828
9829
9830
9831
9832
9833
9834
9835
9836
9837
9838
9839
9840
9841
9842
9843
9844
9845
9846
9847
9848
9849
9850
9851
9852
9853
9854
9855
9856
9857
9858
9859
9860
9861
9862
9863
9864
9865
9866
9867
9868
9869
9870
9871
9872
9873
9874
9875
9876
9877
9878
9879
9880
9881
9882
9883
9884
9885
9886
9887
9888
9889
9890
9891
9892
9893
9894
9895
9896
9897
9898
9899
9900
9901
9902
9903
9904
9905
9906
9907
9908
9909
9910
9911
9912
9913
9914
9915
9916
9917
9918
9919
9920
9921
9922
9923
9924
9925
9926
9927
9928
9929
9930
9931
9932
9933
9934
9935
9936
9937
9938
9939
9940
9941
9942
9943
9944
9945
9946
9947
9948
9949
9950
9951
9952
9953
9954
9955
9956
9957
9958
9959
9960
9961
9962
9963
9964
9965
9966
9967
9968
9969
9970
9971
9972
9973
9974
9975
9976
9977
9978
9979
9980
9981
9982
9983
9984
9985
9986
9987
9988
9989
9990
9991
9992
9993
9994
9995
9996
9997
9998
9999
10000
10001
10002
10003
10004
10005
10006
10007
10008
10009
10010
10011
10012
10013
10014
10015
10016
10017
10018
10019
10020
10021
10022
10023
10024
10025
10026
10027
10028
10029
10030
10031
10032
10033
10034
10035
10036
10037
10038
10039
10040
10041
10042
10043
10044
10045
10046
10047
10048
10049
10050
10051
10052
10053
10054
10055
10056
10057
10058
10059
10060
10061
10062
10063
10064
10065
10066
10067
10068
10069
10070
10071
10072
10073
10074
10075
10076
10077
10078
10079
10080
10081
10082
10083
10084
10085
10086
10087
10088
10089
10090
10091
10092
10093
10094
10095
10096
10097
10098
10099
10100
10101
10102
10103
10104
10105
10106
10107
10108
10109
10110
10111
10112
10113
10114
10115
10116
10117
10118
10119
10120
10121
10122
10123
10124
10125
10126
10127
10128
10129
10130
10131
10132
10133
10134
10135
10136
10137
10138
10139
10140
10141
10142
10143
10144
10145
10146
10147
10148
10149
10150
10151
10152
10153
10154
10155
10156
10157
10158
10159
10160
10161
10162
10163
10164
10165
10166
10167
10168
10169
10170
10171
10172
10173
10174
10175
10176
10177
10178
10179
10180
10181
10182
10183
10184
10185
10186
10187
10188
10189
10190
10191
10192
10193
10194
10195
10196
10197
10198
10199
10200
10201
10202
10203
10204
10205
10206
10207
10208
10209
10210
10211
10212
10213
10214
10215
10216
10217
10218
10219
10220
10221
10222
10223
10224
10225
10226
10227
10228
10229
10230
10231
10232
10233
10234
10235
10236
10237
10238
10239
10240
10241
10242
10243
10244
10245
10246
10247
10248
10249
10250
10251
10252
10253
10254
10255
10256
10257
10258
10259
10260
10261
10262
10263
10264
10265
10266
10267
10268
10269
10270
10271
10272
10273
10274
10275
10276
10277
10278
10279
10280
10281
10282
10283
10284
10285
10286
10287
10288
10289
10290
10291
10292
10293
10294
10295
10296
10297
10298
10299
10300
10301
10302
10303
10304
10305
10306
10307
10308
10309
10310
10311
10312
10313
10314
10315
10316
10317
10318
10319
10320
10321
10322
10323
10324
10325
10326
10327
10328
10329
10330
10331
10332
10333
10334
10335
10336
10337
10338
10339
10340
10341
10342
10343
10344
10345
10346
10347
10348
10349
10350
10351
10352
10353
10354
10355
10356
10357
10358
10359
10360
10361
10362
10363
10364
10365
10366
10367
10368
10369
10370
10371
10372
10373
10374
10375
10376
10377
10378
10379
10380
10381
10382
10383
10384
10385
10386
10387
10388
10389
10390
10391
10392
10393
10394
10395
10396
10397
10398
10399
10400
10401
10402
10403
10404
10405
10406
10407
10408
10409
10410
10411
10412
10413
10414
10415
10416
10417
10418
10419
10420
10421
10422
10423
10424
10425
10426
10427
10428
10429
10430
10431
10432
10433
10434
10435
10436
10437
10438
10439
10440
10441
10442
10443
10444
10445
10446
10447
10448
10449
10450
10451
10452
10453
10454
10455
10456
10457
10458
10459
10460
10461
10462
10463
10464
10465
10466
10467
10468
10469
10470
10471
10472
10473
10474
10475
10476
10477
10478
10479
10480
10481
10482
10483
10484
10485
10486
10487
10488
10489
10490
10491
10492
10493
10494
10495
10496
10497
10498
10499
10500
10501
10502
10503
10504
10505
10506
10507
10508
10509
10510
10511
10512
10513
10514
10515
10516
10517
10518
10519
10520
10521
10522
10523
10524
10525
10526
10527
10528
10529
10530
10531
10532
10533
10534
10535
10536
10537
10538
10539
10540
10541
10542
10543
10544
10545
10546
10547
10548
10549
10550
10551
10552
10553
10554
10555
10556
10557
10558
10559
10560
10561
10562
10563
10564
10565
10566
10567
10568
10569
10570
10571
10572
10573
10574
10575
10576
10577
10578
10579
10580
10581
10582
10583
10584
10585
10586
10587
10588
10589
10590
10591
10592
10593
10594
10595
10596
10597
10598
10599
10600
10601
10602
10603
10604
10605
10606
10607
10608
10609
10610
10611
10612
10613
10614
10615
10616
10617
10618
10619
10620
10621
10622
10623
10624
10625
10626
10627
10628
10629
10630
10631
10632
10633
10634
10635
10636
10637
10638
10639
10640
10641
10642
10643
10644
10645
10646
10647
10648
10649
10650
10651
10652
10653
10654
10655
10656
10657
10658
10659
10660
10661
10662
10663
10664
10665
10666
10667
10668
10669
10670
10671
10672
10673
10674
10675
10676
10677
10678
10679
10680
10681
10682
10683
10684
10685
10686
10687
10688
10689
10690
10691
10692
10693
10694
10695
10696
10697
10698
10699
10700
10701
10702
10703
10704
10705
10706
10707
10708
10709
10710
10711
10712
10713
10714
10715
10716
10717
10718
10719
10720
10721
10722
10723
10724
10725
10726
10727
10728
10729
10730
10731
10732
10733
10734
10735
10736
10737
10738
10739
10740
10741
10742
10743
10744
10745
10746
10747
10748
10749
10750
10751
10752
10753
10754
10755
10756
10757
10758
10759
10760
10761
10762
10763
10764
10765
10766
10767
10768
10769
10770
10771
10772
10773
10774
10775
10776
10777
10778
10779
10780
10781
10782
10783
10784
10785
10786
10787
10788
10789
10790
10791
10792
10793
10794
10795
10796
10797
10798
10799
10800
10801
10802
10803
10804
10805
10806
10807
10808
10809
10810
10811
10812
10813
10814
10815
10816
10817
10818
10819
10820
10821
10822
10823
10824
10825
10826
10827
10828
10829
10830
10831
10832
10833
10834
10835
10836
10837
10838
10839
10840
10841
10842
10843
10844
10845
10846
10847
10848
10849
10850
10851
10852
10853
10854
10855
10856
10857
10858
10859
10860
10861
10862
10863
10864
10865
10866
10867
10868
10869
10870
10871
10872
10873
10874
10875
10876
10877
10878
10879
10880
10881
10882
10883
10884
10885
10886
10887
10888
10889
10890
10891
10892
10893
10894
10895
10896
10897
10898
10899
10900
10901
10902
10903
10904
10905
10906
10907
10908
10909
10910
10911
10912
10913
10914
10915
10916
10917
10918
10919
10920
10921
10922
10923
10924
10925
10926
10927
10928
10929
10930
10931
10932
10933
10934
10935
10936
10937
10938
10939
10940
10941
10942
10943
10944
10945
10946
10947
10948
10949
10950
10951
10952
10953
10954
10955
10956
10957
10958
10959
10960
10961
10962
10963
10964
10965
10966
10967
10968
10969
10970
10971
10972
10973
10974
10975
10976
10977
10978
10979
10980
10981
10982
10983
10984
10985
10986
10987
10988
10989
10990
10991
10992
10993
10994
10995
10996
10997
10998
10999
11000
11001
11002
11003
11004
11005
11006
11007
11008
11009
11010
11011
11012
11013
11014
11015
11016
11017
11018
11019
11020
11021
11022
11023
11024
11025
11026
11027
11028
11029
11030
11031
11032
11033
11034
11035
11036
11037
11038
11039
11040
11041
11042
11043
11044
11045
11046
11047
11048
11049
11050
11051
11052
11053
11054
11055
11056
11057
11058
11059
11060
11061
11062
11063
11064
11065
11066
11067
11068
11069
11070
11071
11072
11073
11074
11075
11076
11077
11078
11079
11080
11081
11082
11083
11084
11085
11086
11087
11088
11089
11090
11091
11092
11093
11094
11095
11096
11097
11098
11099
11100
11101
11102
11103
11104
11105
11106
11107
11108
11109
11110
11111
11112
11113
11114
11115
11116
11117
11118
11119
11120
11121
11122
11123
11124
11125
11126
11127
11128
11129
11130
11131
11132
11133
11134
11135
11136
11137
11138
11139
11140
11141
11142
11143
11144
11145
11146
11147
11148
11149
11150
11151
11152
11153
11154
11155
11156
11157
11158
11159
11160
11161
11162
11163
11164
11165
11166
11167
11168
11169
11170
11171
11172
11173
11174
11175
11176
11177
11178
11179
11180
11181
11182
11183
11184
11185
11186
11187
11188
11189
11190
11191
11192
11193
11194
11195
11196
11197
11198
11199
11200
11201
11202
11203
11204
11205
11206
11207
11208
11209
11210
11211
11212
11213
11214
11215
11216
11217
11218
11219
11220
11221
11222
11223
11224
11225
11226
11227
11228
11229
11230
11231
11232
11233
11234
11235
11236
11237
11238
11239
11240
11241
11242
11243
11244
11245
11246
11247
11248
11249
11250
11251
11252
11253
11254
11255
11256
11257
11258
11259
11260
11261
11262
11263
11264
11265
11266
11267
11268
11269
11270
11271
11272
11273
11274
11275
11276
11277
11278
11279
11280
11281
11282
11283
11284
11285
11286
11287
11288
11289
11290
11291
11292
11293
11294
11295
11296
11297
11298
11299
11300
11301
11302
11303
11304
11305
11306
11307
11308
11309
11310
11311
11312
11313
11314
11315
11316
11317
11318
11319
11320
11321
11322
11323
11324
11325
11326
11327
11328
11329
11330
11331
11332
11333
11334
11335
11336
11337
11338
11339
11340
11341
11342
11343
11344
11345
11346
11347
11348
11349
11350
11351
11352
11353
11354
11355
11356
11357
11358
11359
11360
11361
11362
11363
11364
11365
11366
11367
11368
11369
11370
11371
11372
11373
11374
11375
11376
11377
11378
11379
11380
11381
11382
11383
11384
11385
11386
11387
11388
11389
11390
11391
11392
11393
11394
11395
11396
11397
11398
11399
11400
11401
11402
11403
11404
11405
11406
11407
11408
11409
11410
11411
11412
11413
11414
11415
11416
11417
11418
11419
11420
11421
11422
11423
11424
11425
11426
11427
11428
11429
11430
11431
11432
11433
11434
11435
11436
11437
11438
11439
11440
11441
11442
11443
11444
11445
11446
11447
11448
11449
11450
11451
11452
11453
11454
11455
11456
11457
11458
11459
11460
11461
11462
11463
11464
11465
11466
11467
11468
11469
11470
11471
11472
11473
11474
11475
11476
11477
11478
11479
11480
11481
11482
11483
11484
11485
11486
11487
11488
11489
11490
11491
11492
11493
11494
11495
11496
11497
11498
11499
11500
11501
11502
11503
11504
11505
11506
11507
11508
11509
11510
11511
11512
11513
11514
11515
11516
11517
11518
11519
11520
11521
11522
11523
11524
11525
11526
11527
11528
11529
11530
11531
11532
11533
11534
11535
11536
11537
11538
11539
11540
11541
11542
11543
11544
11545
11546
11547
11548
11549
11550
11551
11552
11553
11554
11555
11556
11557
11558
11559
11560
11561
11562
11563
11564
11565
11566
11567
11568
11569
11570
11571
11572
11573
11574
11575
11576
11577
11578
11579
11580
11581
11582
11583
11584
11585
11586
11587
11588
11589
11590
11591
11592
11593
11594
11595
11596
11597
11598
11599
11600
11601
11602
11603
11604
11605
11606
11607
11608
11609
11610
11611
11612
11613
11614
11615
11616
11617
11618
11619
11620
11621
11622
11623
11624
11625
11626
11627
11628
11629
11630
11631
11632
11633
11634
11635
11636
11637
11638
11639
11640
11641
11642
11643
11644
11645
11646
11647
11648
11649
11650
11651
11652
11653
11654
11655
11656
11657
11658
11659
11660
11661
11662
11663
11664
11665
11666
11667
11668
11669
11670
11671
11672
11673
11674
11675
11676
11677
11678
11679
11680
11681
11682
11683
11684
11685
11686
11687
11688
11689
11690
11691
11692
11693
11694
11695
11696
11697
11698
11699
11700
11701
11702
11703
11704
11705
11706
11707
11708
11709
11710
11711
11712
11713
11714
11715
11716
11717
11718
11719
11720
11721
11722
11723
11724
11725
11726
11727
11728
11729
11730
11731
11732
11733
11734
11735
11736
11737
11738
11739
11740
11741
11742
11743
11744
11745
11746
11747
11748
11749
11750
11751
11752
11753
11754
11755
11756
11757
11758
11759
11760
11761
11762
11763
11764
11765
11766
11767
11768
11769
11770
11771
11772
11773
11774
11775
11776
11777
11778
11779
11780
11781
11782
11783
11784
11785
11786
11787
11788
11789
11790
11791
11792
11793
11794
11795
11796
11797
11798
11799
11800
11801
11802
11803
11804
11805
11806
11807
11808
11809
11810
11811
11812
11813
11814
11815
11816
11817
11818
11819
11820
11821
11822
11823
11824
11825
11826
11827
11828
11829
11830
11831
11832
11833
11834
11835
11836
11837
11838
11839
11840
11841
11842
11843
11844
11845
11846
11847
11848
11849
11850
11851
11852
11853
11854
11855
11856
/*
 * advansys.c - Linux Host Driver for AdvanSys SCSI Adapters
 *
 * Copyright (c) 1995-2000 Advanced System Products, Inc.
 * Copyright (c) 2000-2001 ConnectCom Solutions, Inc.
 * Copyright (c) 2007 Matthew Wilcox <matthew@wil.cx>
 * Copyright (c) 2014 Hannes Reinecke <hare@suse.de>
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

/*
 * As of March 8, 2000 Advanced System Products, Inc. (AdvanSys)
 * changed its name to ConnectCom Solutions, Inc.
 * On June 18, 2001 Initio Corp. acquired ConnectCom's SCSI assets
 */

#include <linux/module.h>
#include <linux/string.h>
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/proc_fs.h>
#include <linux/init.h>
#include <linux/blkdev.h>
#include <linux/isa.h>
#include <linux/eisa.h>
#include <linux/pci.h>
#include <linux/spinlock.h>
#include <linux/dma-mapping.h>
#include <linux/firmware.h>
#include <linux/dmapool.h>

#include <asm/io.h>
#include <asm/dma.h>

#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
#include <scsi/scsi_tcq.h>
#include <scsi/scsi.h>
#include <scsi/scsi_host.h>

#define DRV_NAME "advansys"
#define ASC_VERSION "3.5"	/* AdvanSys Driver Version */

/* FIXME:
 *
 *  1. Use scsi_transport_spi
 *  2. advansys_info is not safe against multiple simultaneous callers
 *  3. Add module_param to override ISA/VLB ioport array
 */

/* Enable driver /proc statistics. */
#define ADVANSYS_STATS

/* Enable driver tracing. */
#undef ADVANSYS_DEBUG

typedef unsigned char uchar;

#define isodd_word(val)   ((((uint)val) & (uint)0x0001) != 0)

#define PCI_VENDOR_ID_ASP		0x10cd
#define PCI_DEVICE_ID_ASP_1200A		0x1100
#define PCI_DEVICE_ID_ASP_ABP940	0x1200
#define PCI_DEVICE_ID_ASP_ABP940U	0x1300
#define PCI_DEVICE_ID_ASP_ABP940UW	0x2300
#define PCI_DEVICE_ID_38C0800_REV1	0x2500
#define PCI_DEVICE_ID_38C1600_REV1	0x2700

#define PortAddr                 unsigned int	/* port address size  */
#define inp(port)                inb(port)
#define outp(port, byte)         outb((byte), (port))

#define inpw(port)               inw(port)
#define outpw(port, word)        outw((word), (port))

#define ASC_MAX_SG_QUEUE    7
#define ASC_MAX_SG_LIST     255

#define ASC_CS_TYPE  unsigned short

#define ASC_IS_ISA          (0x0001)
#define ASC_IS_ISAPNP       (0x0081)
#define ASC_IS_EISA         (0x0002)
#define ASC_IS_PCI          (0x0004)
#define ASC_IS_PCI_ULTRA    (0x0104)
#define ASC_IS_PCMCIA       (0x0008)
#define ASC_IS_MCA          (0x0020)
#define ASC_IS_VL           (0x0040)
#define ASC_IS_WIDESCSI_16  (0x0100)
#define ASC_IS_WIDESCSI_32  (0x0200)
#define ASC_IS_BIG_ENDIAN   (0x8000)

#define ASC_CHIP_MIN_VER_VL      (0x01)
#define ASC_CHIP_MAX_VER_VL      (0x07)
#define ASC_CHIP_MIN_VER_PCI     (0x09)
#define ASC_CHIP_MAX_VER_PCI     (0x0F)
#define ASC_CHIP_VER_PCI_BIT     (0x08)
#define ASC_CHIP_MIN_VER_ISA     (0x11)
#define ASC_CHIP_MIN_VER_ISA_PNP (0x21)
#define ASC_CHIP_MAX_VER_ISA     (0x27)
#define ASC_CHIP_VER_ISA_BIT     (0x30)
#define ASC_CHIP_VER_ISAPNP_BIT  (0x20)
#define ASC_CHIP_VER_ASYN_BUG    (0x21)
#define ASC_CHIP_VER_PCI             0x08
#define ASC_CHIP_VER_PCI_ULTRA_3150  (ASC_CHIP_VER_PCI | 0x02)
#define ASC_CHIP_VER_PCI_ULTRA_3050  (ASC_CHIP_VER_PCI | 0x03)
#define ASC_CHIP_MIN_VER_EISA (0x41)
#define ASC_CHIP_MAX_VER_EISA (0x47)
#define ASC_CHIP_VER_EISA_BIT (0x40)
#define ASC_CHIP_LATEST_VER_EISA   ((ASC_CHIP_MIN_VER_EISA - 1) + 3)
#define ASC_MAX_VL_DMA_COUNT    (0x07FFFFFFL)
#define ASC_MAX_PCI_DMA_COUNT   (0xFFFFFFFFL)
#define ASC_MAX_ISA_DMA_COUNT   (0x00FFFFFFL)

#define ASC_SCSI_ID_BITS  3
#define ASC_SCSI_TIX_TYPE     uchar
#define ASC_ALL_DEVICE_BIT_SET  0xFF
#define ASC_SCSI_BIT_ID_TYPE  uchar
#define ASC_MAX_TID       7
#define ASC_MAX_LUN       7
#define ASC_SCSI_WIDTH_BIT_SET  0xFF
#define ASC_MAX_SENSE_LEN   32
#define ASC_MIN_SENSE_LEN   14
#define ASC_SCSI_RESET_HOLD_TIME_US  60

/*
 * Narrow boards only support 12-byte commands, while wide boards
 * extend to 16-byte commands.
 */
#define ASC_MAX_CDB_LEN     12
#define ADV_MAX_CDB_LEN     16

#define MS_SDTR_LEN    0x03
#define MS_WDTR_LEN    0x02

#define ASC_SG_LIST_PER_Q   7
#define QS_FREE        0x00
#define QS_READY       0x01
#define QS_DISC1       0x02
#define QS_DISC2       0x04
#define QS_BUSY        0x08
#define QS_ABORTED     0x40
#define QS_DONE        0x80
#define QC_NO_CALLBACK   0x01
#define QC_SG_SWAP_QUEUE 0x02
#define QC_SG_HEAD       0x04
#define QC_DATA_IN       0x08
#define QC_DATA_OUT      0x10
#define QC_URGENT        0x20
#define QC_MSG_OUT       0x40
#define QC_REQ_SENSE     0x80
#define QCSG_SG_XFER_LIST  0x02
#define QCSG_SG_XFER_MORE  0x04
#define QCSG_SG_XFER_END   0x08
#define QD_IN_PROGRESS       0x00
#define QD_NO_ERROR          0x01
#define QD_ABORTED_BY_HOST   0x02
#define QD_WITH_ERROR        0x04
#define QD_INVALID_REQUEST   0x80
#define QD_INVALID_HOST_NUM  0x81
#define QD_INVALID_DEVICE    0x82
#define QD_ERR_INTERNAL      0xFF
#define QHSTA_NO_ERROR               0x00
#define QHSTA_M_SEL_TIMEOUT          0x11
#define QHSTA_M_DATA_OVER_RUN        0x12
#define QHSTA_M_DATA_UNDER_RUN       0x12
#define QHSTA_M_UNEXPECTED_BUS_FREE  0x13
#define QHSTA_M_BAD_BUS_PHASE_SEQ    0x14
#define QHSTA_D_QDONE_SG_LIST_CORRUPTED 0x21
#define QHSTA_D_ASC_DVC_ERROR_CODE_SET  0x22
#define QHSTA_D_HOST_ABORT_FAILED       0x23
#define QHSTA_D_EXE_SCSI_Q_FAILED       0x24
#define QHSTA_D_EXE_SCSI_Q_BUSY_TIMEOUT 0x25
#define QHSTA_D_ASPI_NO_BUF_POOL        0x26
#define QHSTA_M_WTM_TIMEOUT         0x41
#define QHSTA_M_BAD_CMPL_STATUS_IN  0x42
#define QHSTA_M_NO_AUTO_REQ_SENSE   0x43
#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44
#define QHSTA_M_TARGET_STATUS_BUSY  0x45
#define QHSTA_M_BAD_TAG_CODE        0x46
#define QHSTA_M_BAD_QUEUE_FULL_OR_BUSY  0x47
#define QHSTA_M_HUNG_REQ_SCSI_BUS_RESET 0x48
#define QHSTA_D_LRAM_CMP_ERROR        0x81
#define QHSTA_M_MICRO_CODE_ERROR_HALT 0xA1
#define ASC_FLAG_SCSIQ_REQ        0x01
#define ASC_FLAG_BIOS_SCSIQ_REQ   0x02
#define ASC_FLAG_BIOS_ASYNC_IO    0x04
#define ASC_FLAG_SRB_LINEAR_ADDR  0x08
#define ASC_FLAG_WIN16            0x10
#define ASC_FLAG_WIN32            0x20
#define ASC_FLAG_ISA_OVER_16MB    0x40
#define ASC_FLAG_DOS_VM_CALLBACK  0x80
#define ASC_TAG_FLAG_EXTRA_BYTES               0x10
#define ASC_TAG_FLAG_DISABLE_DISCONNECT        0x04
#define ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX  0x08
#define ASC_TAG_FLAG_DISABLE_CHK_COND_INT_HOST 0x40
#define ASC_SCSIQ_CPY_BEG              4
#define ASC_SCSIQ_SGHD_CPY_BEG         2
#define ASC_SCSIQ_B_FWD                0
#define ASC_SCSIQ_B_BWD                1
#define ASC_SCSIQ_B_STATUS             2
#define ASC_SCSIQ_B_QNO                3
#define ASC_SCSIQ_B_CNTL               4
#define ASC_SCSIQ_B_SG_QUEUE_CNT       5
#define ASC_SCSIQ_D_DATA_ADDR          8
#define ASC_SCSIQ_D_DATA_CNT          12
#define ASC_SCSIQ_B_SENSE_LEN         20
#define ASC_SCSIQ_DONE_INFO_BEG       22
#define ASC_SCSIQ_D_SRBPTR            22
#define ASC_SCSIQ_B_TARGET_IX         26
#define ASC_SCSIQ_B_CDB_LEN           28
#define ASC_SCSIQ_B_TAG_CODE          29
#define ASC_SCSIQ_W_VM_ID             30
#define ASC_SCSIQ_DONE_STATUS         32
#define ASC_SCSIQ_HOST_STATUS         33
#define ASC_SCSIQ_SCSI_STATUS         34
#define ASC_SCSIQ_CDB_BEG             36
#define ASC_SCSIQ_DW_REMAIN_XFER_ADDR 56
#define ASC_SCSIQ_DW_REMAIN_XFER_CNT  60
#define ASC_SCSIQ_B_FIRST_SG_WK_QP    48
#define ASC_SCSIQ_B_SG_WK_QP          49
#define ASC_SCSIQ_B_SG_WK_IX          50
#define ASC_SCSIQ_W_ALT_DC1           52
#define ASC_SCSIQ_B_LIST_CNT          6
#define ASC_SCSIQ_B_CUR_LIST_CNT      7
#define ASC_SGQ_B_SG_CNTL             4
#define ASC_SGQ_B_SG_HEAD_QP          5
#define ASC_SGQ_B_SG_LIST_CNT         6
#define ASC_SGQ_B_SG_CUR_LIST_CNT     7
#define ASC_SGQ_LIST_BEG              8
#define ASC_DEF_SCSI1_QNG    4
#define ASC_MAX_SCSI1_QNG    4
#define ASC_DEF_SCSI2_QNG    16
#define ASC_MAX_SCSI2_QNG    32
#define ASC_TAG_CODE_MASK    0x23
#define ASC_STOP_REQ_RISC_STOP      0x01
#define ASC_STOP_ACK_RISC_STOP      0x03
#define ASC_STOP_CLEAN_UP_BUSY_Q    0x10
#define ASC_STOP_CLEAN_UP_DISC_Q    0x20
#define ASC_STOP_HOST_REQ_RISC_HALT 0x40
#define ASC_TIDLUN_TO_IX(tid, lun)  (ASC_SCSI_TIX_TYPE)((tid) + ((lun)<<ASC_SCSI_ID_BITS))
#define ASC_TID_TO_TARGET_ID(tid)   (ASC_SCSI_BIT_ID_TYPE)(0x01 << (tid))
#define ASC_TIX_TO_TARGET_ID(tix)   (0x01 << ((tix) & ASC_MAX_TID))
#define ASC_TIX_TO_TID(tix)         ((tix) & ASC_MAX_TID)
#define ASC_TID_TO_TIX(tid)         ((tid) & ASC_MAX_TID)
#define ASC_TIX_TO_LUN(tix)         (((tix) >> ASC_SCSI_ID_BITS) & ASC_MAX_LUN)
#define ASC_QNO_TO_QADDR(q_no)      ((ASC_QADR_BEG)+((int)(q_no) << 6))

typedef struct asc_scsiq_1 {
	uchar status;
	uchar q_no;
	uchar cntl;
	uchar sg_queue_cnt;
	uchar target_id;
	uchar target_lun;
	__le32 data_addr;
	__le32 data_cnt;
	__le32 sense_addr;
	uchar sense_len;
	uchar extra_bytes;
} ASC_SCSIQ_1;

typedef struct asc_scsiq_2 {
	u32 srb_tag;
	uchar target_ix;
	uchar flag;
	uchar cdb_len;
	uchar tag_code;
	ushort vm_id;
} ASC_SCSIQ_2;

typedef struct asc_scsiq_3 {
	uchar done_stat;
	uchar host_stat;
	uchar scsi_stat;
	uchar scsi_msg;
} ASC_SCSIQ_3;

typedef struct asc_scsiq_4 {
	uchar cdb[ASC_MAX_CDB_LEN];
	uchar y_first_sg_list_qp;
	uchar y_working_sg_qp;
	uchar y_working_sg_ix;
	uchar y_res;
	ushort x_req_count;
	ushort x_reconnect_rtn;
	__le32 x_saved_data_addr;
	__le32 x_saved_data_cnt;
} ASC_SCSIQ_4;

typedef struct asc_q_done_info {
	ASC_SCSIQ_2 d2;
	ASC_SCSIQ_3 d3;
	uchar q_status;
	uchar q_no;
	uchar cntl;
	uchar sense_len;
	uchar extra_bytes;
	uchar res;
	u32 remain_bytes;
} ASC_QDONE_INFO;

typedef struct asc_sg_list {
	__le32 addr;
	__le32 bytes;
} ASC_SG_LIST;

typedef struct asc_sg_head {
	ushort entry_cnt;
	ushort queue_cnt;
	ushort entry_to_copy;
	ushort res;
	ASC_SG_LIST sg_list[0];
} ASC_SG_HEAD;

typedef struct asc_scsi_q {
	ASC_SCSIQ_1 q1;
	ASC_SCSIQ_2 q2;
	uchar *cdbptr;
	ASC_SG_HEAD *sg_head;
	ushort remain_sg_entry_cnt;
	ushort next_sg_index;
} ASC_SCSI_Q;

typedef struct asc_scsi_bios_req_q {
	ASC_SCSIQ_1 r1;
	ASC_SCSIQ_2 r2;
	uchar *cdbptr;
	ASC_SG_HEAD *sg_head;
	uchar *sense_ptr;
	ASC_SCSIQ_3 r3;
	uchar cdb[ASC_MAX_CDB_LEN];
	uchar sense[ASC_MIN_SENSE_LEN];
} ASC_SCSI_BIOS_REQ_Q;

typedef struct asc_risc_q {
	uchar fwd;
	uchar bwd;
	ASC_SCSIQ_1 i1;
	ASC_SCSIQ_2 i2;
	ASC_SCSIQ_3 i3;
	ASC_SCSIQ_4 i4;
} ASC_RISC_Q;

typedef struct asc_sg_list_q {
	uchar seq_no;
	uchar q_no;
	uchar cntl;
	uchar sg_head_qp;
	uchar sg_list_cnt;
	uchar sg_cur_list_cnt;
} ASC_SG_LIST_Q;

typedef struct asc_risc_sg_list_q {
	uchar fwd;
	uchar bwd;
	ASC_SG_LIST_Q sg;
	ASC_SG_LIST sg_list[7];
} ASC_RISC_SG_LIST_Q;

#define ASCQ_ERR_Q_STATUS             0x0D
#define ASCQ_ERR_CUR_QNG              0x17
#define ASCQ_ERR_SG_Q_LINKS           0x18
#define ASCQ_ERR_ISR_RE_ENTRY         0x1A
#define ASCQ_ERR_CRITICAL_RE_ENTRY    0x1B
#define ASCQ_ERR_ISR_ON_CRITICAL      0x1C

/*
 * Warning code values are set in ASC_DVC_VAR  'warn_code'.
 */
#define ASC_WARN_NO_ERROR             0x0000
#define ASC_WARN_IO_PORT_ROTATE       0x0001
#define ASC_WARN_EEPROM_CHKSUM        0x0002
#define ASC_WARN_IRQ_MODIFIED         0x0004
#define ASC_WARN_AUTO_CONFIG          0x0008
#define ASC_WARN_CMD_QNG_CONFLICT     0x0010
#define ASC_WARN_EEPROM_RECOVER       0x0020
#define ASC_WARN_CFG_MSW_RECOVER      0x0040

/*
 * Error code values are set in {ASC/ADV}_DVC_VAR  'err_code'.
 */
#define ASC_IERR_NO_CARRIER		0x0001	/* No more carrier memory */
#define ASC_IERR_MCODE_CHKSUM		0x0002	/* micro code check sum error */
#define ASC_IERR_SET_PC_ADDR		0x0004
#define ASC_IERR_START_STOP_CHIP	0x0008	/* start/stop chip failed */
#define ASC_IERR_ILLEGAL_CONNECTION	0x0010	/* Illegal cable connection */
#define ASC_IERR_SINGLE_END_DEVICE	0x0020	/* SE device on DIFF bus */
#define ASC_IERR_REVERSED_CABLE		0x0040	/* Narrow flat cable reversed */
#define ASC_IERR_SET_SCSI_ID		0x0080	/* set SCSI ID failed */
#define ASC_IERR_HVD_DEVICE		0x0100	/* HVD device on LVD port */
#define ASC_IERR_BAD_SIGNATURE		0x0200	/* signature not found */
#define ASC_IERR_NO_BUS_TYPE		0x0400
#define ASC_IERR_BIST_PRE_TEST		0x0800	/* BIST pre-test error */
#define ASC_IERR_BIST_RAM_TEST		0x1000	/* BIST RAM test error */
#define ASC_IERR_BAD_CHIPTYPE		0x2000	/* Invalid chip_type setting */

#define ASC_DEF_MAX_TOTAL_QNG   (0xF0)
#define ASC_MIN_TAG_Q_PER_DVC   (0x04)
#define ASC_MIN_FREE_Q        (0x02)
#define ASC_MIN_TOTAL_QNG     ((ASC_MAX_SG_QUEUE)+(ASC_MIN_FREE_Q))
#define ASC_MAX_TOTAL_QNG 240
#define ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG 16
#define ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG   8
#define ASC_MAX_PCI_INRAM_TOTAL_QNG  20
#define ASC_MAX_INRAM_TAG_QNG   16
#define ASC_IOADR_GAP   0x10
#define ASC_SYN_MAX_OFFSET         0x0F
#define ASC_DEF_SDTR_OFFSET        0x0F
#define ASC_SDTR_ULTRA_PCI_10MB_INDEX  0x02
#define ASYN_SDTR_DATA_FIX_PCI_REV_AB 0x41

/* The narrow chip only supports a limited selection of transfer rates.
 * These are encoded in the range 0..7 or 0..15 depending whether the chip
 * is Ultra-capable or not.  These tables let us convert from one to the other.
 */
static const unsigned char asc_syn_xfer_period[8] = {
	25, 30, 35, 40, 50, 60, 70, 85
};

static const unsigned char asc_syn_ultra_xfer_period[16] = {
	12, 19, 25, 32, 38, 44, 50, 57, 63, 69, 75, 82, 88, 94, 100, 107
};

typedef struct ext_msg {
	uchar msg_type;
	uchar msg_len;
	uchar msg_req;
	union {
		struct {
			uchar sdtr_xfer_period;
			uchar sdtr_req_ack_offset;
		} sdtr;
		struct {
			uchar wdtr_width;
		} wdtr;
		struct {
			uchar mdp_b3;
			uchar mdp_b2;
			uchar mdp_b1;
			uchar mdp_b0;
		} mdp;
	} u_ext_msg;
	uchar res;
} EXT_MSG;

#define xfer_period     u_ext_msg.sdtr.sdtr_xfer_period
#define req_ack_offset  u_ext_msg.sdtr.sdtr_req_ack_offset
#define wdtr_width      u_ext_msg.wdtr.wdtr_width
#define mdp_b3          u_ext_msg.mdp_b3
#define mdp_b2          u_ext_msg.mdp_b2
#define mdp_b1          u_ext_msg.mdp_b1
#define mdp_b0          u_ext_msg.mdp_b0

typedef struct asc_dvc_cfg {
	ASC_SCSI_BIT_ID_TYPE can_tagged_qng;
	ASC_SCSI_BIT_ID_TYPE cmd_qng_enabled;
	ASC_SCSI_BIT_ID_TYPE disc_enable;
	ASC_SCSI_BIT_ID_TYPE sdtr_enable;
	uchar chip_scsi_id;
	uchar isa_dma_speed;
	uchar isa_dma_channel;
	uchar chip_version;
	ushort mcode_date;
	ushort mcode_version;
	uchar max_tag_qng[ASC_MAX_TID + 1];
	uchar sdtr_period_offset[ASC_MAX_TID + 1];
	uchar adapter_info[6];
} ASC_DVC_CFG;

#define ASC_DEF_DVC_CNTL       0xFFFF
#define ASC_DEF_CHIP_SCSI_ID   7
#define ASC_DEF_ISA_DMA_SPEED  4
#define ASC_INIT_STATE_BEG_GET_CFG   0x0001
#define ASC_INIT_STATE_END_GET_CFG   0x0002
#define ASC_INIT_STATE_BEG_SET_CFG   0x0004
#define ASC_INIT_STATE_END_SET_CFG   0x0008
#define ASC_INIT_STATE_BEG_LOAD_MC   0x0010
#define ASC_INIT_STATE_END_LOAD_MC   0x0020
#define ASC_INIT_STATE_BEG_INQUIRY   0x0040
#define ASC_INIT_STATE_END_INQUIRY   0x0080
#define ASC_INIT_RESET_SCSI_DONE     0x0100
#define ASC_INIT_STATE_WITHOUT_EEP   0x8000
#define ASC_BUG_FIX_IF_NOT_DWB       0x0001
#define ASC_BUG_FIX_ASYN_USE_SYN     0x0002
#define ASC_MIN_TAGGED_CMD  7
#define ASC_MAX_SCSI_RESET_WAIT      30
#define ASC_OVERRUN_BSIZE		64

struct asc_dvc_var;		/* Forward Declaration. */

typedef struct asc_dvc_var {
	PortAddr iop_base;
	ushort err_code;
	ushort dvc_cntl;
	ushort bug_fix_cntl;
	ushort bus_type;
	ASC_SCSI_BIT_ID_TYPE init_sdtr;
	ASC_SCSI_BIT_ID_TYPE sdtr_done;
	ASC_SCSI_BIT_ID_TYPE use_tagged_qng;
	ASC_SCSI_BIT_ID_TYPE unit_not_ready;
	ASC_SCSI_BIT_ID_TYPE queue_full_or_busy;
	ASC_SCSI_BIT_ID_TYPE start_motor;
	uchar *overrun_buf;
	dma_addr_t overrun_dma;
	uchar scsi_reset_wait;
	uchar chip_no;
	bool is_in_int;
	uchar max_total_qng;
	uchar cur_total_qng;
	uchar in_critical_cnt;
	uchar last_q_shortage;
	ushort init_state;
	uchar cur_dvc_qng[ASC_MAX_TID + 1];
	uchar max_dvc_qng[ASC_MAX_TID + 1];
	ASC_SCSI_Q *scsiq_busy_head[ASC_MAX_TID + 1];
	ASC_SCSI_Q *scsiq_busy_tail[ASC_MAX_TID + 1];
	const uchar *sdtr_period_tbl;
	ASC_DVC_CFG *cfg;
	ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer_always;
	char redo_scam;
	ushort res2;
	uchar dos_int13_table[ASC_MAX_TID + 1];
	unsigned int max_dma_count;
	ASC_SCSI_BIT_ID_TYPE no_scam;
	ASC_SCSI_BIT_ID_TYPE pci_fix_asyn_xfer;
	uchar min_sdtr_index;
	uchar max_sdtr_index;
	struct asc_board *drv_ptr;
	unsigned int uc_break;
} ASC_DVC_VAR;

typedef struct asc_dvc_inq_info {
	uchar type[ASC_MAX_TID + 1][ASC_MAX_LUN + 1];
} ASC_DVC_INQ_INFO;

typedef struct asc_cap_info {
	u32 lba;
	u32 blk_size;
} ASC_CAP_INFO;

typedef struct asc_cap_info_array {
	ASC_CAP_INFO cap_info[ASC_MAX_TID + 1][ASC_MAX_LUN + 1];
} ASC_CAP_INFO_ARRAY;

#define ASC_MCNTL_NO_SEL_TIMEOUT  (ushort)0x0001
#define ASC_MCNTL_NULL_TARGET     (ushort)0x0002
#define ASC_CNTL_INITIATOR         (ushort)0x0001
#define ASC_CNTL_BIOS_GT_1GB       (ushort)0x0002
#define ASC_CNTL_BIOS_GT_2_DISK    (ushort)0x0004
#define ASC_CNTL_BIOS_REMOVABLE    (ushort)0x0008
#define ASC_CNTL_NO_SCAM           (ushort)0x0010
#define ASC_CNTL_INT_MULTI_Q       (ushort)0x0080
#define ASC_CNTL_NO_LUN_SUPPORT    (ushort)0x0040
#define ASC_CNTL_NO_VERIFY_COPY    (ushort)0x0100
#define ASC_CNTL_RESET_SCSI        (ushort)0x0200
#define ASC_CNTL_INIT_INQUIRY      (ushort)0x0400
#define ASC_CNTL_INIT_VERBOSE      (ushort)0x0800
#define ASC_CNTL_SCSI_PARITY       (ushort)0x1000
#define ASC_CNTL_BURST_MODE        (ushort)0x2000
#define ASC_CNTL_SDTR_ENABLE_ULTRA (ushort)0x4000
#define ASC_EEP_DVC_CFG_BEG_VL    2
#define ASC_EEP_MAX_DVC_ADDR_VL   15
#define ASC_EEP_DVC_CFG_BEG      32
#define ASC_EEP_MAX_DVC_ADDR     45
#define ASC_EEP_MAX_RETRY        20

/*
 * These macros keep the chip SCSI id and ISA DMA speed
 * bitfields in board order. C bitfields aren't portable
 * between big and little-endian platforms so they are
 * not used.
 */

#define ASC_EEP_GET_CHIP_ID(cfg)    ((cfg)->id_speed & 0x0f)
#define ASC_EEP_GET_DMA_SPD(cfg)    (((cfg)->id_speed & 0xf0) >> 4)
#define ASC_EEP_SET_CHIP_ID(cfg, sid) \
   ((cfg)->id_speed = ((cfg)->id_speed & 0xf0) | ((sid) & ASC_MAX_TID))
#define ASC_EEP_SET_DMA_SPD(cfg, spd) \
   ((cfg)->id_speed = ((cfg)->id_speed & 0x0f) | ((spd) & 0x0f) << 4)

typedef struct asceep_config {
	ushort cfg_lsw;
	ushort cfg_msw;
	uchar init_sdtr;
	uchar disc_enable;
	uchar use_cmd_qng;
	uchar start_motor;
	uchar max_total_qng;
	uchar max_tag_qng;
	uchar bios_scan;
	uchar power_up_wait;
	uchar no_scam;
	uchar id_speed;		/* low order 4 bits is chip scsi id */
	/* high order 4 bits is isa dma speed */
	uchar dos_int13_table[ASC_MAX_TID + 1];
	uchar adapter_info[6];
	ushort cntl;
	ushort chksum;
} ASCEEP_CONFIG;

#define ASC_EEP_CMD_READ          0x80
#define ASC_EEP_CMD_WRITE         0x40
#define ASC_EEP_CMD_WRITE_ABLE    0x30
#define ASC_EEP_CMD_WRITE_DISABLE 0x00
#define ASCV_MSGOUT_BEG         0x0000
#define ASCV_MSGOUT_SDTR_PERIOD (ASCV_MSGOUT_BEG+3)
#define ASCV_MSGOUT_SDTR_OFFSET (ASCV_MSGOUT_BEG+4)
#define ASCV_BREAK_SAVED_CODE   (ushort)0x0006
#define ASCV_MSGIN_BEG          (ASCV_MSGOUT_BEG+8)
#define ASCV_MSGIN_SDTR_PERIOD  (ASCV_MSGIN_BEG+3)
#define ASCV_MSGIN_SDTR_OFFSET  (ASCV_MSGIN_BEG+4)
#define ASCV_SDTR_DATA_BEG      (ASCV_MSGIN_BEG+8)
#define ASCV_SDTR_DONE_BEG      (ASCV_SDTR_DATA_BEG+8)
#define ASCV_MAX_DVC_QNG_BEG    (ushort)0x0020
#define ASCV_BREAK_ADDR           (ushort)0x0028
#define ASCV_BREAK_NOTIFY_COUNT   (ushort)0x002A
#define ASCV_BREAK_CONTROL        (ushort)0x002C
#define ASCV_BREAK_HIT_COUNT      (ushort)0x002E

#define ASCV_ASCDVC_ERR_CODE_W  (ushort)0x0030
#define ASCV_MCODE_CHKSUM_W   (ushort)0x0032
#define ASCV_MCODE_SIZE_W     (ushort)0x0034
#define ASCV_STOP_CODE_B      (ushort)0x0036
#define ASCV_DVC_ERR_CODE_B   (ushort)0x0037
#define ASCV_OVERRUN_PADDR_D  (ushort)0x0038
#define ASCV_OVERRUN_BSIZE_D  (ushort)0x003C
#define ASCV_HALTCODE_W       (ushort)0x0040
#define ASCV_CHKSUM_W         (ushort)0x0042
#define ASCV_MC_DATE_W        (ushort)0x0044
#define ASCV_MC_VER_W         (ushort)0x0046
#define ASCV_NEXTRDY_B        (ushort)0x0048
#define ASCV_DONENEXT_B       (ushort)0x0049
#define ASCV_USE_TAGGED_QNG_B (ushort)0x004A
#define ASCV_SCSIBUSY_B       (ushort)0x004B
#define ASCV_Q_DONE_IN_PROGRESS_B  (ushort)0x004C
#define ASCV_CURCDB_B         (ushort)0x004D
#define ASCV_RCLUN_B          (ushort)0x004E
#define ASCV_BUSY_QHEAD_B     (ushort)0x004F
#define ASCV_DISC1_QHEAD_B    (ushort)0x0050
#define ASCV_DISC_ENABLE_B    (ushort)0x0052
#define ASCV_CAN_TAGGED_QNG_B (ushort)0x0053
#define ASCV_HOSTSCSI_ID_B    (ushort)0x0055
#define ASCV_MCODE_CNTL_B     (ushort)0x0056
#define ASCV_NULL_TARGET_B    (ushort)0x0057
#define ASCV_FREE_Q_HEAD_W    (ushort)0x0058
#define ASCV_DONE_Q_TAIL_W    (ushort)0x005A
#define ASCV_FREE_Q_HEAD_B    (ushort)(ASCV_FREE_Q_HEAD_W+1)
#define ASCV_DONE_Q_TAIL_B    (ushort)(ASCV_DONE_Q_TAIL_W+1)
#define ASCV_HOST_FLAG_B      (ushort)0x005D
#define ASCV_TOTAL_READY_Q_B  (ushort)0x0064
#define ASCV_VER_SERIAL_B     (ushort)0x0065
#define ASCV_HALTCODE_SAVED_W (ushort)0x0066
#define ASCV_WTM_FLAG_B       (ushort)0x0068
#define ASCV_RISC_FLAG_B      (ushort)0x006A
#define ASCV_REQ_SG_LIST_QP   (ushort)0x006B
#define ASC_HOST_FLAG_IN_ISR        0x01
#define ASC_HOST_FLAG_ACK_INT       0x02
#define ASC_RISC_FLAG_GEN_INT      0x01
#define ASC_RISC_FLAG_REQ_SG_LIST  0x02
#define IOP_CTRL         (0x0F)
#define IOP_STATUS       (0x0E)
#define IOP_INT_ACK      IOP_STATUS
#define IOP_REG_IFC      (0x0D)
#define IOP_SYN_OFFSET    (0x0B)
#define IOP_EXTRA_CONTROL (0x0D)
#define IOP_REG_PC        (0x0C)
#define IOP_RAM_ADDR      (0x0A)
#define IOP_RAM_DATA      (0x08)
#define IOP_EEP_DATA      (0x06)
#define IOP_EEP_CMD       (0x07)
#define IOP_VERSION       (0x03)
#define IOP_CONFIG_HIGH   (0x04)
#define IOP_CONFIG_LOW    (0x02)
#define IOP_SIG_BYTE      (0x01)
#define IOP_SIG_WORD      (0x00)
#define IOP_REG_DC1      (0x0E)
#define IOP_REG_DC0      (0x0C)
#define IOP_REG_SB       (0x0B)
#define IOP_REG_DA1      (0x0A)
#define IOP_REG_DA0      (0x08)
#define IOP_REG_SC       (0x09)
#define IOP_DMA_SPEED    (0x07)
#define IOP_REG_FLAG     (0x07)
#define IOP_FIFO_H       (0x06)
#define IOP_FIFO_L       (0x04)
#define IOP_REG_ID       (0x05)
#define IOP_REG_QP       (0x03)
#define IOP_REG_IH       (0x02)
#define IOP_REG_IX       (0x01)
#define IOP_REG_AX       (0x00)
#define IFC_REG_LOCK      (0x00)
#define IFC_REG_UNLOCK    (0x09)
#define IFC_WR_EN_FILTER  (0x10)
#define IFC_RD_NO_EEPROM  (0x10)
#define IFC_SLEW_RATE     (0x20)
#define IFC_ACT_NEG       (0x40)
#define IFC_INP_FILTER    (0x80)
#define IFC_INIT_DEFAULT  (IFC_ACT_NEG | IFC_REG_UNLOCK)
#define SC_SEL   (uchar)(0x80)
#define SC_BSY   (uchar)(0x40)
#define SC_ACK   (uchar)(0x20)
#define SC_REQ   (uchar)(0x10)
#define SC_ATN   (uchar)(0x08)
#define SC_IO    (uchar)(0x04)
#define SC_CD    (uchar)(0x02)
#define SC_MSG   (uchar)(0x01)
#define SEC_SCSI_CTL         (uchar)(0x80)
#define SEC_ACTIVE_NEGATE    (uchar)(0x40)
#define SEC_SLEW_RATE        (uchar)(0x20)
#define SEC_ENABLE_FILTER    (uchar)(0x10)
#define ASC_HALT_EXTMSG_IN     (ushort)0x8000
#define ASC_HALT_CHK_CONDITION (ushort)0x8100
#define ASC_HALT_SS_QUEUE_FULL (ushort)0x8200
#define ASC_HALT_DISABLE_ASYN_USE_SYN_FIX  (ushort)0x8300
#define ASC_HALT_ENABLE_ASYN_USE_SYN_FIX   (ushort)0x8400
#define ASC_HALT_SDTR_REJECTED (ushort)0x4000
#define ASC_HALT_HOST_COPY_SG_LIST_TO_RISC ( ushort )0x2000
#define ASC_MAX_QNO        0xF8
#define ASC_DATA_SEC_BEG   (ushort)0x0080
#define ASC_DATA_SEC_END   (ushort)0x0080
#define ASC_CODE_SEC_BEG   (ushort)0x0080
#define ASC_CODE_SEC_END   (ushort)0x0080
#define ASC_QADR_BEG       (0x4000)
#define ASC_QADR_USED      (ushort)(ASC_MAX_QNO * 64)
#define ASC_QADR_END       (ushort)0x7FFF
#define ASC_QLAST_ADR      (ushort)0x7FC0
#define ASC_QBLK_SIZE      0x40
#define ASC_BIOS_DATA_QBEG 0xF8
#define ASC_MIN_ACTIVE_QNO 0x01
#define ASC_QLINK_END      0xFF
#define ASC_EEPROM_WORDS   0x10
#define ASC_MAX_MGS_LEN    0x10
#define ASC_BIOS_ADDR_DEF  0xDC00
#define ASC_BIOS_SIZE      0x3800
#define ASC_BIOS_RAM_OFF   0x3800
#define ASC_BIOS_RAM_SIZE  0x800
#define ASC_BIOS_MIN_ADDR  0xC000
#define ASC_BIOS_MAX_ADDR  0xEC00
#define ASC_BIOS_BANK_SIZE 0x0400
#define ASC_MCODE_START_ADDR  0x0080
#define ASC_CFG0_HOST_INT_ON    0x0020
#define ASC_CFG0_BIOS_ON        0x0040
#define ASC_CFG0_VERA_BURST_ON  0x0080
#define ASC_CFG0_SCSI_PARITY_ON 0x0800
#define ASC_CFG1_SCSI_TARGET_ON 0x0080
#define ASC_CFG1_LRAM_8BITS_ON  0x0800
#define ASC_CFG_MSW_CLR_MASK    0x3080
#define CSW_TEST1             (ASC_CS_TYPE)0x8000
#define CSW_AUTO_CONFIG       (ASC_CS_TYPE)0x4000
#define CSW_RESERVED1         (ASC_CS_TYPE)0x2000
#define CSW_IRQ_WRITTEN       (ASC_CS_TYPE)0x1000
#define CSW_33MHZ_SELECTED    (ASC_CS_TYPE)0x0800
#define CSW_TEST2             (ASC_CS_TYPE)0x0400
#define CSW_TEST3             (ASC_CS_TYPE)0x0200
#define CSW_RESERVED2         (ASC_CS_TYPE)0x0100
#define CSW_DMA_DONE          (ASC_CS_TYPE)0x0080
#define CSW_FIFO_RDY          (ASC_CS_TYPE)0x0040
#define CSW_EEP_READ_DONE     (ASC_CS_TYPE)0x0020
#define CSW_HALTED            (ASC_CS_TYPE)0x0010
#define CSW_SCSI_RESET_ACTIVE (ASC_CS_TYPE)0x0008
#define CSW_PARITY_ERR        (ASC_CS_TYPE)0x0004
#define CSW_SCSI_RESET_LATCH  (ASC_CS_TYPE)0x0002
#define CSW_INT_PENDING       (ASC_CS_TYPE)0x0001
#define CIW_CLR_SCSI_RESET_INT (ASC_CS_TYPE)0x1000
#define CIW_INT_ACK      (ASC_CS_TYPE)0x0100
#define CIW_TEST1        (ASC_CS_TYPE)0x0200
#define CIW_TEST2        (ASC_CS_TYPE)0x0400
#define CIW_SEL_33MHZ    (ASC_CS_TYPE)0x0800
#define CIW_IRQ_ACT      (ASC_CS_TYPE)0x1000
#define CC_CHIP_RESET   (uchar)0x80
#define CC_SCSI_RESET   (uchar)0x40
#define CC_HALT         (uchar)0x20
#define CC_SINGLE_STEP  (uchar)0x10
#define CC_DMA_ABLE     (uchar)0x08
#define CC_TEST         (uchar)0x04
#define CC_BANK_ONE     (uchar)0x02
#define CC_DIAG         (uchar)0x01
#define ASC_1000_ID0W      0x04C1
#define ASC_1000_ID0W_FIX  0x00C1
#define ASC_1000_ID1B      0x25
#define ASC_EISA_REV_IOP_MASK  (0x0C83)
#define ASC_EISA_CFG_IOP_MASK  (0x0C86)
#define ASC_GET_EISA_SLOT(iop)  (PortAddr)((iop) & 0xF000)
#define INS_HALTINT        (ushort)0x6281
#define INS_HALT           (ushort)0x6280
#define INS_SINT           (ushort)0x6200
#define INS_RFLAG_WTM      (ushort)0x7380
#define ASC_MC_SAVE_CODE_WSIZE  0x500
#define ASC_MC_SAVE_DATA_WSIZE  0x40

typedef struct asc_mc_saved {
	ushort data[ASC_MC_SAVE_DATA_WSIZE];
	ushort code[ASC_MC_SAVE_CODE_WSIZE];
} ASC_MC_SAVED;

#define AscGetQDoneInProgress(port)         AscReadLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B)
#define AscPutQDoneInProgress(port, val)    AscWriteLramByte((port), ASCV_Q_DONE_IN_PROGRESS_B, val)
#define AscGetVarFreeQHead(port)            AscReadLramWord((port), ASCV_FREE_Q_HEAD_W)
#define AscGetVarDoneQTail(port)            AscReadLramWord((port), ASCV_DONE_Q_TAIL_W)
#define AscPutVarFreeQHead(port, val)       AscWriteLramWord((port), ASCV_FREE_Q_HEAD_W, val)
#define AscPutVarDoneQTail(port, val)       AscWriteLramWord((port), ASCV_DONE_Q_TAIL_W, val)
#define AscGetRiscVarFreeQHead(port)        AscReadLramByte((port), ASCV_NEXTRDY_B)
#define AscGetRiscVarDoneQTail(port)        AscReadLramByte((port), ASCV_DONENEXT_B)
#define AscPutRiscVarFreeQHead(port, val)   AscWriteLramByte((port), ASCV_NEXTRDY_B, val)
#define AscPutRiscVarDoneQTail(port, val)   AscWriteLramByte((port), ASCV_DONENEXT_B, val)
#define AscPutMCodeSDTRDoneAtID(port, id, data)  AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id), (data))
#define AscGetMCodeSDTRDoneAtID(port, id)        AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DONE_BEG+(ushort)id))
#define AscPutMCodeInitSDTRAtID(port, id, data)  AscWriteLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id), data)
#define AscGetMCodeInitSDTRAtID(port, id)        AscReadLramByte((port), (ushort)((ushort)ASCV_SDTR_DATA_BEG+(ushort)id))
#define AscGetChipSignatureByte(port)     (uchar)inp((port)+IOP_SIG_BYTE)
#define AscGetChipSignatureWord(port)     (ushort)inpw((port)+IOP_SIG_WORD)
#define AscGetChipVerNo(port)             (uchar)inp((port)+IOP_VERSION)
#define AscGetChipCfgLsw(port)            (ushort)inpw((port)+IOP_CONFIG_LOW)
#define AscGetChipCfgMsw(port)            (ushort)inpw((port)+IOP_CONFIG_HIGH)
#define AscSetChipCfgLsw(port, data)      outpw((port)+IOP_CONFIG_LOW, data)
#define AscSetChipCfgMsw(port, data)      outpw((port)+IOP_CONFIG_HIGH, data)
#define AscGetChipEEPCmd(port)            (uchar)inp((port)+IOP_EEP_CMD)
#define AscSetChipEEPCmd(port, data)      outp((port)+IOP_EEP_CMD, data)
#define AscGetChipEEPData(port)           (ushort)inpw((port)+IOP_EEP_DATA)
#define AscSetChipEEPData(port, data)     outpw((port)+IOP_EEP_DATA, data)
#define AscGetChipLramAddr(port)          (ushort)inpw((PortAddr)((port)+IOP_RAM_ADDR))
#define AscSetChipLramAddr(port, addr)    outpw((PortAddr)((port)+IOP_RAM_ADDR), addr)
#define AscGetChipLramData(port)          (ushort)inpw((port)+IOP_RAM_DATA)
#define AscSetChipLramData(port, data)    outpw((port)+IOP_RAM_DATA, data)
#define AscGetChipIFC(port)               (uchar)inp((port)+IOP_REG_IFC)
#define AscSetChipIFC(port, data)          outp((port)+IOP_REG_IFC, data)
#define AscGetChipStatus(port)            (ASC_CS_TYPE)inpw((port)+IOP_STATUS)
#define AscSetChipStatus(port, cs_val)    outpw((port)+IOP_STATUS, cs_val)
#define AscGetChipControl(port)           (uchar)inp((port)+IOP_CTRL)
#define AscSetChipControl(port, cc_val)   outp((port)+IOP_CTRL, cc_val)
#define AscGetChipSyn(port)               (uchar)inp((port)+IOP_SYN_OFFSET)
#define AscSetChipSyn(port, data)         outp((port)+IOP_SYN_OFFSET, data)
#define AscSetPCAddr(port, data)          outpw((port)+IOP_REG_PC, data)
#define AscGetPCAddr(port)                (ushort)inpw((port)+IOP_REG_PC)
#define AscIsIntPending(port)             (AscGetChipStatus(port) & (CSW_INT_PENDING | CSW_SCSI_RESET_LATCH))
#define AscGetChipScsiID(port)            ((AscGetChipCfgLsw(port) >> 8) & ASC_MAX_TID)
#define AscGetExtraControl(port)          (uchar)inp((port)+IOP_EXTRA_CONTROL)
#define AscSetExtraControl(port, data)    outp((port)+IOP_EXTRA_CONTROL, data)
#define AscReadChipAX(port)               (ushort)inpw((port)+IOP_REG_AX)
#define AscWriteChipAX(port, data)        outpw((port)+IOP_REG_AX, data)
#define AscReadChipIX(port)               (uchar)inp((port)+IOP_REG_IX)
#define AscWriteChipIX(port, data)        outp((port)+IOP_REG_IX, data)
#define AscReadChipIH(port)               (ushort)inpw((port)+IOP_REG_IH)
#define AscWriteChipIH(port, data)        outpw((port)+IOP_REG_IH, data)
#define AscReadChipQP(port)               (uchar)inp((port)+IOP_REG_QP)
#define AscWriteChipQP(port, data)        outp((port)+IOP_REG_QP, data)
#define AscReadChipFIFO_L(port)           (ushort)inpw((port)+IOP_REG_FIFO_L)
#define AscWriteChipFIFO_L(port, data)    outpw((port)+IOP_REG_FIFO_L, data)
#define AscReadChipFIFO_H(port)           (ushort)inpw((port)+IOP_REG_FIFO_H)
#define AscWriteChipFIFO_H(port, data)    outpw((port)+IOP_REG_FIFO_H, data)
#define AscReadChipDmaSpeed(port)         (uchar)inp((port)+IOP_DMA_SPEED)
#define AscWriteChipDmaSpeed(port, data)  outp((port)+IOP_DMA_SPEED, data)
#define AscReadChipDA0(port)              (ushort)inpw((port)+IOP_REG_DA0)
#define AscWriteChipDA0(port)             outpw((port)+IOP_REG_DA0, data)
#define AscReadChipDA1(port)              (ushort)inpw((port)+IOP_REG_DA1)
#define AscWriteChipDA1(port)             outpw((port)+IOP_REG_DA1, data)
#define AscReadChipDC0(port)              (ushort)inpw((port)+IOP_REG_DC0)
#define AscWriteChipDC0(port)             outpw((port)+IOP_REG_DC0, data)
#define AscReadChipDC1(port)              (ushort)inpw((port)+IOP_REG_DC1)
#define AscWriteChipDC1(port)             outpw((port)+IOP_REG_DC1, data)
#define AscReadChipDvcID(port)            (uchar)inp((port)+IOP_REG_ID)
#define AscWriteChipDvcID(port, data)     outp((port)+IOP_REG_ID, data)

#define AdvPortAddr  void __iomem *	/* Virtual memory address size */

/*
 * Define Adv Library required memory access macros.
 */
#define ADV_MEM_READB(addr) readb(addr)
#define ADV_MEM_READW(addr) readw(addr)
#define ADV_MEM_WRITEB(addr, byte) writeb(byte, addr)
#define ADV_MEM_WRITEW(addr, word) writew(word, addr)
#define ADV_MEM_WRITEDW(addr, dword) writel(dword, addr)

/*
 * Define total number of simultaneous maximum element scatter-gather
 * request blocks per wide adapter. ASC_DEF_MAX_HOST_QNG (253) is the
 * maximum number of outstanding commands per wide host adapter. Each
 * command uses one or more ADV_SG_BLOCK each with 15 scatter-gather
 * elements. Allow each command to have at least one ADV_SG_BLOCK structure.
 * This allows about 15 commands to have the maximum 17 ADV_SG_BLOCK
 * structures or 255 scatter-gather elements.
 */
#define ADV_TOT_SG_BLOCK        ASC_DEF_MAX_HOST_QNG

/*
 * Define maximum number of scatter-gather elements per request.
 */
#define ADV_MAX_SG_LIST         255
#define NO_OF_SG_PER_BLOCK              15

#define ADV_EEP_DVC_CFG_BEGIN           (0x00)
#define ADV_EEP_DVC_CFG_END             (0x15)
#define ADV_EEP_DVC_CTL_BEGIN           (0x16)	/* location of OEM name */
#define ADV_EEP_MAX_WORD_ADDR           (0x1E)

#define ADV_EEP_DELAY_MS                100

#define ADV_EEPROM_BIG_ENDIAN          0x8000	/* EEPROM Bit 15 */
#define ADV_EEPROM_BIOS_ENABLE         0x4000	/* EEPROM Bit 14 */
/*
 * For the ASC3550 Bit 13 is Termination Polarity control bit.
 * For later ICs Bit 13 controls whether the CIS (Card Information
 * Service Section) is loaded from EEPROM.
 */
#define ADV_EEPROM_TERM_POL            0x2000	/* EEPROM Bit 13 */
#define ADV_EEPROM_CIS_LD              0x2000	/* EEPROM Bit 13 */
/*
 * ASC38C1600 Bit 11
 *
 * If EEPROM Bit 11 is 0 for Function 0, then Function 0 will specify
 * INT A in the PCI Configuration Space Int Pin field. If it is 1, then
 * Function 0 will specify INT B.
 *
 * If EEPROM Bit 11 is 0 for Function 1, then Function 1 will specify
 * INT B in the PCI Configuration Space Int Pin field. If it is 1, then
 * Function 1 will specify INT A.
 */
#define ADV_EEPROM_INTAB               0x0800	/* EEPROM Bit 11 */

typedef struct adveep_3550_config {
	/* Word Offset, Description */

	ushort cfg_lsw;		/* 00 power up initialization */
	/*  bit 13 set - Term Polarity Control */
	/*  bit 14 set - BIOS Enable */
	/*  bit 15 set - Big Endian Mode */
	ushort cfg_msw;		/* 01 unused      */
	ushort disc_enable;	/* 02 disconnect enable */
	ushort wdtr_able;	/* 03 Wide DTR able */
	ushort sdtr_able;	/* 04 Synchronous DTR able */
	ushort start_motor;	/* 05 send start up motor */
	ushort tagqng_able;	/* 06 tag queuing able */
	ushort bios_scan;	/* 07 BIOS device control */
	ushort scam_tolerant;	/* 08 no scam */

	uchar adapter_scsi_id;	/* 09 Host Adapter ID */
	uchar bios_boot_delay;	/*    power up wait */

	uchar scsi_reset_delay;	/* 10 reset delay */
	uchar bios_id_lun;	/*    first boot device scsi id & lun */
	/*    high nibble is lun */
	/*    low nibble is scsi id */

	uchar termination;	/* 11 0 - automatic */
	/*    1 - low off / high off */
	/*    2 - low off / high on */
	/*    3 - low on  / high on */
	/*    There is no low on  / high off */

	uchar reserved1;	/*    reserved byte (not used) */

	ushort bios_ctrl;	/* 12 BIOS control bits */
	/*  bit 0  BIOS don't act as initiator. */
	/*  bit 1  BIOS > 1 GB support */
	/*  bit 2  BIOS > 2 Disk Support */
	/*  bit 3  BIOS don't support removables */
	/*  bit 4  BIOS support bootable CD */
	/*  bit 5  BIOS scan enabled */
	/*  bit 6  BIOS support multiple LUNs */
	/*  bit 7  BIOS display of message */
	/*  bit 8  SCAM disabled */
	/*  bit 9  Reset SCSI bus during init. */
	/*  bit 10 */
	/*  bit 11 No verbose initialization. */
	/*  bit 12 SCSI parity enabled */
	/*  bit 13 */
	/*  bit 14 */
	/*  bit 15 */
	ushort ultra_able;	/* 13 ULTRA speed able */
	ushort reserved2;	/* 14 reserved */
	uchar max_host_qng;	/* 15 maximum host queuing */
	uchar max_dvc_qng;	/*    maximum per device queuing */
	ushort dvc_cntl;	/* 16 control bit for driver */
	ushort bug_fix;		/* 17 control bit for bug fix */
	ushort serial_number_word1;	/* 18 Board serial number word 1 */
	ushort serial_number_word2;	/* 19 Board serial number word 2 */
	ushort serial_number_word3;	/* 20 Board serial number word 3 */
	ushort check_sum;	/* 21 EEP check sum */
	uchar oem_name[16];	/* 22 OEM name */
	ushort dvc_err_code;	/* 30 last device driver error code */
	ushort adv_err_code;	/* 31 last uc and Adv Lib error code */
	ushort adv_err_addr;	/* 32 last uc error address */
	ushort saved_dvc_err_code;	/* 33 saved last dev. driver error code   */
	ushort saved_adv_err_code;	/* 34 saved last uc and Adv Lib error code */
	ushort saved_adv_err_addr;	/* 35 saved last uc error address         */
	ushort num_of_err;	/* 36 number of error */
} ADVEEP_3550_CONFIG;

typedef struct adveep_38C0800_config {
	/* Word Offset, Description */

	ushort cfg_lsw;		/* 00 power up initialization */
	/*  bit 13 set - Load CIS */
	/*  bit 14 set - BIOS Enable */
	/*  bit 15 set - Big Endian Mode */
	ushort cfg_msw;		/* 01 unused      */
	ushort disc_enable;	/* 02 disconnect enable */
	ushort wdtr_able;	/* 03 Wide DTR able */
	ushort sdtr_speed1;	/* 04 SDTR Speed TID 0-3 */
	ushort start_motor;	/* 05 send start up motor */
	ushort tagqng_able;	/* 06 tag queuing able */
	ushort bios_scan;	/* 07 BIOS device control */
	ushort scam_tolerant;	/* 08 no scam */

	uchar adapter_scsi_id;	/* 09 Host Adapter ID */
	uchar bios_boot_delay;	/*    power up wait */

	uchar scsi_reset_delay;	/* 10 reset delay */
	uchar bios_id_lun;	/*    first boot device scsi id & lun */
	/*    high nibble is lun */
	/*    low nibble is scsi id */

	uchar termination_se;	/* 11 0 - automatic */
	/*    1 - low off / high off */
	/*    2 - low off / high on */
	/*    3 - low on  / high on */
	/*    There is no low on  / high off */

	uchar termination_lvd;	/* 11 0 - automatic */
	/*    1 - low off / high off */
	/*    2 - low off / high on */
	/*    3 - low on  / high on */
	/*    There is no low on  / high off */

	ushort bios_ctrl;	/* 12 BIOS control bits */
	/*  bit 0  BIOS don't act as initiator. */
	/*  bit 1  BIOS > 1 GB support */
	/*  bit 2  BIOS > 2 Disk Support */
	/*  bit 3  BIOS don't support removables */
	/*  bit 4  BIOS support bootable CD */
	/*  bit 5  BIOS scan enabled */
	/*  bit 6  BIOS support multiple LUNs */
	/*  bit 7  BIOS display of message */
	/*  bit 8  SCAM disabled */
	/*  bit 9  Reset SCSI bus during init. */
	/*  bit 10 */
	/*  bit 11 No verbose initialization. */
	/*  bit 12 SCSI parity enabled */
	/*  bit 13 */
	/*  bit 14 */
	/*  bit 15 */
	ushort sdtr_speed2;	/* 13 SDTR speed TID 4-7 */
	ushort sdtr_speed3;	/* 14 SDTR speed TID 8-11 */
	uchar max_host_qng;	/* 15 maximum host queueing */
	uchar max_dvc_qng;	/*    maximum per device queuing */
	ushort dvc_cntl;	/* 16 control bit for driver */
	ushort sdtr_speed4;	/* 17 SDTR speed 4 TID 12-15 */
	ushort serial_number_word1;	/* 18 Board serial number word 1 */
	ushort serial_number_word2;	/* 19 Board serial number word 2 */
	ushort serial_number_word3;	/* 20 Board serial number word 3 */
	ushort check_sum;	/* 21 EEP check sum */
	uchar oem_name[16];	/* 22 OEM name */
	ushort dvc_err_code;	/* 30 last device driver error code */
	ushort adv_err_code;	/* 31 last uc and Adv Lib error code */
	ushort adv_err_addr;	/* 32 last uc error address */
	ushort saved_dvc_err_code;	/* 33 saved last dev. driver error code   */
	ushort saved_adv_err_code;	/* 34 saved last uc and Adv Lib error code */
	ushort saved_adv_err_addr;	/* 35 saved last uc error address         */
	ushort reserved36;	/* 36 reserved */
	ushort reserved37;	/* 37 reserved */
	ushort reserved38;	/* 38 reserved */
	ushort reserved39;	/* 39 reserved */
	ushort reserved40;	/* 40 reserved */
	ushort reserved41;	/* 41 reserved */
	ushort reserved42;	/* 42 reserved */
	ushort reserved43;	/* 43 reserved */
	ushort reserved44;	/* 44 reserved */
	ushort reserved45;	/* 45 reserved */
	ushort reserved46;	/* 46 reserved */
	ushort reserved47;	/* 47 reserved */
	ushort reserved48;	/* 48 reserved */
	ushort reserved49;	/* 49 reserved */
	ushort reserved50;	/* 50 reserved */
	ushort reserved51;	/* 51 reserved */
	ushort reserved52;	/* 52 reserved */
	ushort reserved53;	/* 53 reserved */
	ushort reserved54;	/* 54 reserved */
	ushort reserved55;	/* 55 reserved */
	ushort cisptr_lsw;	/* 56 CIS PTR LSW */
	ushort cisprt_msw;	/* 57 CIS PTR MSW */
	ushort subsysvid;	/* 58 SubSystem Vendor ID */
	ushort subsysid;	/* 59 SubSystem ID */
	ushort reserved60;	/* 60 reserved */
	ushort reserved61;	/* 61 reserved */
	ushort reserved62;	/* 62 reserved */
	ushort reserved63;	/* 63 reserved */
} ADVEEP_38C0800_CONFIG;

typedef struct adveep_38C1600_config {
	/* Word Offset, Description */

	ushort cfg_lsw;		/* 00 power up initialization */
	/*  bit 11 set - Func. 0 INTB, Func. 1 INTA */
	/*       clear - Func. 0 INTA, Func. 1 INTB */
	/*  bit 13 set - Load CIS */
	/*  bit 14 set - BIOS Enable */
	/*  bit 15 set - Big Endian Mode */
	ushort cfg_msw;		/* 01 unused */
	ushort disc_enable;	/* 02 disconnect enable */
	ushort wdtr_able;	/* 03 Wide DTR able */
	ushort sdtr_speed1;	/* 04 SDTR Speed TID 0-3 */
	ushort start_motor;	/* 05 send start up motor */
	ushort tagqng_able;	/* 06 tag queuing able */
	ushort bios_scan;	/* 07 BIOS device control */
	ushort scam_tolerant;	/* 08 no scam */

	uchar adapter_scsi_id;	/* 09 Host Adapter ID */
	uchar bios_boot_delay;	/*    power up wait */

	uchar scsi_reset_delay;	/* 10 reset delay */
	uchar bios_id_lun;	/*    first boot device scsi id & lun */
	/*    high nibble is lun */
	/*    low nibble is scsi id */

	uchar termination_se;	/* 11 0 - automatic */
	/*    1 - low off / high off */
	/*    2 - low off / high on */
	/*    3 - low on  / high on */
	/*    There is no low on  / high off */

	uchar termination_lvd;	/* 11 0 - automatic */
	/*    1 - low off / high off */
	/*    2 - low off / high on */
	/*    3 - low on  / high on */
	/*    There is no low on  / high off */

	ushort bios_ctrl;	/* 12 BIOS control bits */
	/*  bit 0  BIOS don't act as initiator. */
	/*  bit 1  BIOS > 1 GB support */
	/*  bit 2  BIOS > 2 Disk Support */
	/*  bit 3  BIOS don't support removables */
	/*  bit 4  BIOS support bootable CD */
	/*  bit 5  BIOS scan enabled */
	/*  bit 6  BIOS support multiple LUNs */
	/*  bit 7  BIOS display of message */
	/*  bit 8  SCAM disabled */
	/*  bit 9  Reset SCSI bus during init. */
	/*  bit 10 Basic Integrity Checking disabled */
	/*  bit 11 No verbose initialization. */
	/*  bit 12 SCSI parity enabled */
	/*  bit 13 AIPP (Asyn. Info. Ph. Prot.) dis. */
	/*  bit 14 */
	/*  bit 15 */
	ushort sdtr_speed2;	/* 13 SDTR speed TID 4-7 */
	ushort sdtr_speed3;	/* 14 SDTR speed TID 8-11 */
	uchar max_host_qng;	/* 15 maximum host queueing */
	uchar max_dvc_qng;	/*    maximum per device queuing */
	ushort dvc_cntl;	/* 16 control bit for driver */
	ushort sdtr_speed4;	/* 17 SDTR speed 4 TID 12-15 */
	ushort serial_number_word1;	/* 18 Board serial number word 1 */
	ushort serial_number_word2;	/* 19 Board serial number word 2 */
	ushort serial_number_word3;	/* 20 Board serial number word 3 */
	ushort check_sum;	/* 21 EEP check sum */
	uchar oem_name[16];	/* 22 OEM name */
	ushort dvc_err_code;	/* 30 last device driver error code */
	ushort adv_err_code;	/* 31 last uc and Adv Lib error code */
	ushort adv_err_addr;	/* 32 last uc error address */
	ushort saved_dvc_err_code;	/* 33 saved last dev. driver error code   */
	ushort saved_adv_err_code;	/* 34 saved last uc and Adv Lib error code */
	ushort saved_adv_err_addr;	/* 35 saved last uc error address         */
	ushort reserved36;	/* 36 reserved */
	ushort reserved37;	/* 37 reserved */
	ushort reserved38;	/* 38 reserved */
	ushort reserved39;	/* 39 reserved */
	ushort reserved40;	/* 40 reserved */
	ushort reserved41;	/* 41 reserved */
	ushort reserved42;	/* 42 reserved */
	ushort reserved43;	/* 43 reserved */
	ushort reserved44;	/* 44 reserved */
	ushort reserved45;	/* 45 reserved */
	ushort reserved46;	/* 46 reserved */
	ushort reserved47;	/* 47 reserved */
	ushort reserved48;	/* 48 reserved */
	ushort reserved49;	/* 49 reserved */
	ushort reserved50;	/* 50 reserved */
	ushort reserved51;	/* 51 reserved */
	ushort reserved52;	/* 52 reserved */
	ushort reserved53;	/* 53 reserved */
	ushort reserved54;	/* 54 reserved */
	ushort reserved55;	/* 55 reserved */
	ushort cisptr_lsw;	/* 56 CIS PTR LSW */
	ushort cisprt_msw;	/* 57 CIS PTR MSW */
	ushort subsysvid;	/* 58 SubSystem Vendor ID */
	ushort subsysid;	/* 59 SubSystem ID */
	ushort reserved60;	/* 60 reserved */
	ushort reserved61;	/* 61 reserved */
	ushort reserved62;	/* 62 reserved */
	ushort reserved63;	/* 63 reserved */
} ADVEEP_38C1600_CONFIG;

/*
 * EEPROM Commands
 */
#define ASC_EEP_CMD_DONE             0x0200

/* bios_ctrl */
#define BIOS_CTRL_BIOS               0x0001
#define BIOS_CTRL_EXTENDED_XLAT      0x0002
#define BIOS_CTRL_GT_2_DISK          0x0004
#define BIOS_CTRL_BIOS_REMOVABLE     0x0008
#define BIOS_CTRL_BOOTABLE_CD        0x0010
#define BIOS_CTRL_MULTIPLE_LUN       0x0040
#define BIOS_CTRL_DISPLAY_MSG        0x0080
#define BIOS_CTRL_NO_SCAM            0x0100
#define BIOS_CTRL_RESET_SCSI_BUS     0x0200
#define BIOS_CTRL_INIT_VERBOSE       0x0800
#define BIOS_CTRL_SCSI_PARITY        0x1000
#define BIOS_CTRL_AIPP_DIS           0x2000

#define ADV_3550_MEMSIZE   0x2000	/* 8 KB Internal Memory */

#define ADV_38C0800_MEMSIZE  0x4000	/* 16 KB Internal Memory */

/*
 * XXX - Since ASC38C1600 Rev.3 has a local RAM failure issue, there is
 * a special 16K Adv Library and Microcode version. After the issue is
 * resolved, should restore 32K support.
 *
 * #define ADV_38C1600_MEMSIZE  0x8000L   * 32 KB Internal Memory *
 */
#define ADV_38C1600_MEMSIZE  0x4000	/* 16 KB Internal Memory */

/*
 * Byte I/O register address from base of 'iop_base'.
 */
#define IOPB_INTR_STATUS_REG    0x00
#define IOPB_CHIP_ID_1          0x01
#define IOPB_INTR_ENABLES       0x02
#define IOPB_CHIP_TYPE_REV      0x03
#define IOPB_RES_ADDR_4         0x04
#define IOPB_RES_ADDR_5         0x05
#define IOPB_RAM_DATA           0x06
#define IOPB_RES_ADDR_7         0x07
#define IOPB_FLAG_REG           0x08
#define IOPB_RES_ADDR_9         0x09
#define IOPB_RISC_CSR           0x0A
#define IOPB_RES_ADDR_B         0x0B
#define IOPB_RES_ADDR_C         0x0C
#define IOPB_RES_ADDR_D         0x0D
#define IOPB_SOFT_OVER_WR       0x0E
#define IOPB_RES_ADDR_F         0x0F
#define IOPB_MEM_CFG            0x10
#define IOPB_RES_ADDR_11        0x11
#define IOPB_GPIO_DATA          0x12
#define IOPB_RES_ADDR_13        0x13
#define IOPB_FLASH_PAGE         0x14
#define IOPB_RES_ADDR_15        0x15
#define IOPB_GPIO_CNTL          0x16
#define IOPB_RES_ADDR_17        0x17
#define IOPB_FLASH_DATA         0x18
#define IOPB_RES_ADDR_19        0x19
#define IOPB_RES_ADDR_1A        0x1A
#define IOPB_RES_ADDR_1B        0x1B
#define IOPB_RES_ADDR_1C        0x1C
#define IOPB_RES_ADDR_1D        0x1D
#define IOPB_RES_ADDR_1E        0x1E
#define IOPB_RES_ADDR_1F        0x1F
#define IOPB_DMA_CFG0           0x20
#define IOPB_DMA_CFG1           0x21
#define IOPB_TICKLE             0x22
#define IOPB_DMA_REG_WR         0x23
#define IOPB_SDMA_STATUS        0x24
#define IOPB_SCSI_BYTE_CNT      0x25
#define IOPB_HOST_BYTE_CNT      0x26
#define IOPB_BYTE_LEFT_TO_XFER  0x27
#define IOPB_BYTE_TO_XFER_0     0x28
#define IOPB_BYTE_TO_XFER_1     0x29
#define IOPB_BYTE_TO_XFER_2     0x2A
#define IOPB_BYTE_TO_XFER_3     0x2B
#define IOPB_ACC_GRP            0x2C
#define IOPB_RES_ADDR_2D        0x2D
#define IOPB_DEV_ID             0x2E
#define IOPB_RES_ADDR_2F        0x2F
#define IOPB_SCSI_DATA          0x30
#define IOPB_RES_ADDR_31        0x31
#define IOPB_RES_ADDR_32        0x32
#define IOPB_SCSI_DATA_HSHK     0x33
#define IOPB_SCSI_CTRL          0x34
#define IOPB_RES_ADDR_35        0x35
#define IOPB_RES_ADDR_36        0x36
#define IOPB_RES_ADDR_37        0x37
#define IOPB_RAM_BIST           0x38
#define IOPB_PLL_TEST           0x39
#define IOPB_PCI_INT_CFG        0x3A
#define IOPB_RES_ADDR_3B        0x3B
#define IOPB_RFIFO_CNT          0x3C
#define IOPB_RES_ADDR_3D        0x3D
#define IOPB_RES_ADDR_3E        0x3E
#define IOPB_RES_ADDR_3F        0x3F

/*
 * Word I/O register address from base of 'iop_base'.
 */
#define IOPW_CHIP_ID_0          0x00	/* CID0  */
#define IOPW_CTRL_REG           0x02	/* CC    */
#define IOPW_RAM_ADDR           0x04	/* LA    */
#define IOPW_RAM_DATA           0x06	/* LD    */
#define IOPW_RES_ADDR_08        0x08
#define IOPW_RISC_CSR           0x0A	/* CSR   */
#define IOPW_SCSI_CFG0          0x0C	/* CFG0  */
#define IOPW_SCSI_CFG1          0x0E	/* CFG1  */
#define IOPW_RES_ADDR_10        0x10
#define IOPW_SEL_MASK           0x12	/* SM    */
#define IOPW_RES_ADDR_14        0x14
#define IOPW_FLASH_ADDR         0x16	/* FA    */
#define IOPW_RES_ADDR_18        0x18
#define IOPW_EE_CMD             0x1A	/* EC    */
#define IOPW_EE_DATA            0x1C	/* ED    */
#define IOPW_SFIFO_CNT          0x1E	/* SFC   */
#define IOPW_RES_ADDR_20        0x20
#define IOPW_Q_BASE             0x22	/* QB    */
#define IOPW_QP                 0x24	/* QP    */
#define IOPW_IX                 0x26	/* IX    */
#define IOPW_SP                 0x28	/* SP    */
#define IOPW_PC                 0x2A	/* PC    */
#define IOPW_RES_ADDR_2C        0x2C
#define IOPW_RES_ADDR_2E        0x2E
#define IOPW_SCSI_DATA          0x30	/* SD    */
#define IOPW_SCSI_DATA_HSHK     0x32	/* SDH   */
#define IOPW_SCSI_CTRL          0x34	/* SC    */
#define IOPW_HSHK_CFG           0x36	/* HCFG  */
#define IOPW_SXFR_STATUS        0x36	/* SXS   */
#define IOPW_SXFR_CNTL          0x38	/* SXL   */
#define IOPW_SXFR_CNTH          0x3A	/* SXH   */
#define IOPW_RES_ADDR_3C        0x3C
#define IOPW_RFIFO_DATA         0x3E	/* RFD   */

/*
 * Doubleword I/O register address from base of 'iop_base'.
 */
#define IOPDW_RES_ADDR_0         0x00
#define IOPDW_RAM_DATA           0x04
#define IOPDW_RES_ADDR_8         0x08
#define IOPDW_RES_ADDR_C         0x0C
#define IOPDW_RES_ADDR_10        0x10
#define IOPDW_COMMA              0x14
#define IOPDW_COMMB              0x18
#define IOPDW_RES_ADDR_1C        0x1C
#define IOPDW_SDMA_ADDR0         0x20
#define IOPDW_SDMA_ADDR1         0x24
#define IOPDW_SDMA_COUNT         0x28
#define IOPDW_SDMA_ERROR         0x2C
#define IOPDW_RDMA_ADDR0         0x30
#define IOPDW_RDMA_ADDR1         0x34
#define IOPDW_RDMA_COUNT         0x38
#define IOPDW_RDMA_ERROR         0x3C

#define ADV_CHIP_ID_BYTE         0x25
#define ADV_CHIP_ID_WORD         0x04C1

#define ADV_INTR_ENABLE_HOST_INTR                   0x01
#define ADV_INTR_ENABLE_SEL_INTR                    0x02
#define ADV_INTR_ENABLE_DPR_INTR                    0x04
#define ADV_INTR_ENABLE_RTA_INTR                    0x08
#define ADV_INTR_ENABLE_RMA_INTR                    0x10
#define ADV_INTR_ENABLE_RST_INTR                    0x20
#define ADV_INTR_ENABLE_DPE_INTR                    0x40
#define ADV_INTR_ENABLE_GLOBAL_INTR                 0x80

#define ADV_INTR_STATUS_INTRA            0x01
#define ADV_INTR_STATUS_INTRB            0x02
#define ADV_INTR_STATUS_INTRC            0x04

#define ADV_RISC_CSR_STOP           (0x0000)
#define ADV_RISC_TEST_COND          (0x2000)
#define ADV_RISC_CSR_RUN            (0x4000)
#define ADV_RISC_CSR_SINGLE_STEP    (0x8000)

#define ADV_CTRL_REG_HOST_INTR      0x0100
#define ADV_CTRL_REG_SEL_INTR       0x0200
#define ADV_CTRL_REG_DPR_INTR       0x0400
#define ADV_CTRL_REG_RTA_INTR       0x0800
#define ADV_CTRL_REG_RMA_INTR       0x1000
#define ADV_CTRL_REG_RES_BIT14      0x2000
#define ADV_CTRL_REG_DPE_INTR       0x4000
#define ADV_CTRL_REG_POWER_DONE     0x8000
#define ADV_CTRL_REG_ANY_INTR       0xFF00

#define ADV_CTRL_REG_CMD_RESET             0x00C6
#define ADV_CTRL_REG_CMD_WR_IO_REG         0x00C5
#define ADV_CTRL_REG_CMD_RD_IO_REG         0x00C4
#define ADV_CTRL_REG_CMD_WR_PCI_CFG_SPACE  0x00C3
#define ADV_CTRL_REG_CMD_RD_PCI_CFG_SPACE  0x00C2

#define ADV_TICKLE_NOP                      0x00
#define ADV_TICKLE_A                        0x01
#define ADV_TICKLE_B                        0x02
#define ADV_TICKLE_C                        0x03

#define AdvIsIntPending(port) \
    (AdvReadWordRegister(port, IOPW_CTRL_REG) & ADV_CTRL_REG_HOST_INTR)

/*
 * SCSI_CFG0 Register bit definitions
 */
#define TIMER_MODEAB    0xC000	/* Watchdog, Second, and Select. Timer Ctrl. */
#define PARITY_EN       0x2000	/* Enable SCSI Parity Error detection */
#define EVEN_PARITY     0x1000	/* Select Even Parity */
#define WD_LONG         0x0800	/* Watchdog Interval, 1: 57 min, 0: 13 sec */
#define QUEUE_128       0x0400	/* Queue Size, 1: 128 byte, 0: 64 byte */
#define PRIM_MODE       0x0100	/* Primitive SCSI mode */
#define SCAM_EN         0x0080	/* Enable SCAM selection */
#define SEL_TMO_LONG    0x0040	/* Sel/Resel Timeout, 1: 400 ms, 0: 1.6 ms */
#define CFRM_ID         0x0020	/* SCAM id sel. confirm., 1: fast, 0: 6.4 ms */
#define OUR_ID_EN       0x0010	/* Enable OUR_ID bits */
#define OUR_ID          0x000F	/* SCSI ID */

/*
 * SCSI_CFG1 Register bit definitions
 */
#define BIG_ENDIAN      0x8000	/* Enable Big Endian Mode MIO:15, EEP:15 */
#define TERM_POL        0x2000	/* Terminator Polarity Ctrl. MIO:13, EEP:13 */
#define SLEW_RATE       0x1000	/* SCSI output buffer slew rate */
#define FILTER_SEL      0x0C00	/* Filter Period Selection */
#define  FLTR_DISABLE    0x0000	/* Input Filtering Disabled */
#define  FLTR_11_TO_20NS 0x0800	/* Input Filtering 11ns to 20ns */
#define  FLTR_21_TO_39NS 0x0C00	/* Input Filtering 21ns to 39ns */
#define ACTIVE_DBL      0x0200	/* Disable Active Negation */
#define DIFF_MODE       0x0100	/* SCSI differential Mode (Read-Only) */
#define DIFF_SENSE      0x0080	/* 1: No SE cables, 0: SE cable (Read-Only) */
#define TERM_CTL_SEL    0x0040	/* Enable TERM_CTL_H and TERM_CTL_L */
#define TERM_CTL        0x0030	/* External SCSI Termination Bits */
#define  TERM_CTL_H      0x0020	/* Enable External SCSI Upper Termination */
#define  TERM_CTL_L      0x0010	/* Enable External SCSI Lower Termination */
#define CABLE_DETECT    0x000F	/* External SCSI Cable Connection Status */

/*
 * Addendum for ASC-38C0800 Chip
 *
 * The ASC-38C1600 Chip uses the same definitions except that the
 * bus mode override bits [12:10] have been moved to byte register
 * offset 0xE (IOPB_SOFT_OVER_WR) bits [12:10]. The [12:10] bits in
 * SCSI_CFG1 are read-only and always available. Bit 14 (DIS_TERM_DRV)
 * is not needed. The [12:10] bits in IOPB_SOFT_OVER_WR are write-only.
 * Also each ASC-38C1600 function or channel uses only cable bits [5:4]
 * and [1:0]. Bits [14], [7:6], [3:2] are unused.
 */
#define DIS_TERM_DRV    0x4000	/* 1: Read c_det[3:0], 0: cannot read */
#define HVD_LVD_SE      0x1C00	/* Device Detect Bits */
#define  HVD             0x1000	/* HVD Device Detect */
#define  LVD             0x0800	/* LVD Device Detect */
#define  SE              0x0400	/* SE Device Detect */
#define TERM_LVD        0x00C0	/* LVD Termination Bits */
#define  TERM_LVD_HI     0x0080	/* Enable LVD Upper Termination */
#define  TERM_LVD_LO     0x0040	/* Enable LVD Lower Termination */
#define TERM_SE         0x0030	/* SE Termination Bits */
#define  TERM_SE_HI      0x0020	/* Enable SE Upper Termination */
#define  TERM_SE_LO      0x0010	/* Enable SE Lower Termination */
#define C_DET_LVD       0x000C	/* LVD Cable Detect Bits */
#define  C_DET3          0x0008	/* Cable Detect for LVD External Wide */
#define  C_DET2          0x0004	/* Cable Detect for LVD Internal Wide */
#define C_DET_SE        0x0003	/* SE Cable Detect Bits */
#define  C_DET1          0x0002	/* Cable Detect for SE Internal Wide */
#define  C_DET0          0x0001	/* Cable Detect for SE Internal Narrow */

#define CABLE_ILLEGAL_A 0x7
    /* x 0 0 0  | on  on | Illegal (all 3 connectors are used) */

#define CABLE_ILLEGAL_B 0xB
    /* 0 x 0 0  | on  on | Illegal (all 3 connectors are used) */

/*
 * MEM_CFG Register bit definitions
 */
#define BIOS_EN         0x40	/* BIOS Enable MIO:14,EEP:14 */
#define FAST_EE_CLK     0x20	/* Diagnostic Bit */
#define RAM_SZ          0x1C	/* Specify size of RAM to RISC */
#define  RAM_SZ_2KB      0x00	/* 2 KB */
#define  RAM_SZ_4KB      0x04	/* 4 KB */
#define  RAM_SZ_8KB      0x08	/* 8 KB */
#define  RAM_SZ_16KB     0x0C	/* 16 KB */
#define  RAM_SZ_32KB     0x10	/* 32 KB */
#define  RAM_SZ_64KB     0x14	/* 64 KB */

/*
 * DMA_CFG0 Register bit definitions
 *
 * This register is only accessible to the host.
 */
#define BC_THRESH_ENB   0x80	/* PCI DMA Start Conditions */
#define FIFO_THRESH     0x70	/* PCI DMA FIFO Threshold */
#define  FIFO_THRESH_16B  0x00	/* 16 bytes */
#define  FIFO_THRESH_32B  0x20	/* 32 bytes */
#define  FIFO_THRESH_48B  0x30	/* 48 bytes */
#define  FIFO_THRESH_64B  0x40	/* 64 bytes */
#define  FIFO_THRESH_80B  0x50	/* 80 bytes (default) */
#define  FIFO_THRESH_96B  0x60	/* 96 bytes */
#define  FIFO_THRESH_112B 0x70	/* 112 bytes */
#define START_CTL       0x0C	/* DMA start conditions */
#define  START_CTL_TH    0x00	/* Wait threshold level (default) */
#define  START_CTL_ID    0x04	/* Wait SDMA/SBUS idle */
#define  START_CTL_THID  0x08	/* Wait threshold and SDMA/SBUS idle */
#define  START_CTL_EMFU  0x0C	/* Wait SDMA FIFO empty/full */
#define READ_CMD        0x03	/* Memory Read Method */
#define  READ_CMD_MR     0x00	/* Memory Read */
#define  READ_CMD_MRL    0x02	/* Memory Read Long */
#define  READ_CMD_MRM    0x03	/* Memory Read Multiple (default) */

/*
 * ASC-38C0800 RAM BIST Register bit definitions
 */
#define RAM_TEST_MODE         0x80
#define PRE_TEST_MODE         0x40
#define NORMAL_MODE           0x00
#define RAM_TEST_DONE         0x10
#define RAM_TEST_STATUS       0x0F
#define  RAM_TEST_HOST_ERROR   0x08
#define  RAM_TEST_INTRAM_ERROR 0x04
#define  RAM_TEST_RISC_ERROR   0x02
#define  RAM_TEST_SCSI_ERROR   0x01
#define  RAM_TEST_SUCCESS      0x00
#define PRE_TEST_VALUE        0x05
#define NORMAL_VALUE          0x00

/*
 * ASC38C1600 Definitions
 *
 * IOPB_PCI_INT_CFG Bit Field Definitions
 */

#define INTAB_LD        0x80	/* Value loaded from EEPROM Bit 11. */

/*
 * Bit 1 can be set to change the interrupt for the Function to operate in
 * Totem Pole mode. By default Bit 1 is 0 and the interrupt operates in
 * Open Drain mode. Both functions of the ASC38C1600 must be set to the same
 * mode, otherwise the operating mode is undefined.
 */
#define TOTEMPOLE       0x02

/*
 * Bit 0 can be used to change the Int Pin for the Function. The value is
 * 0 by default for both Functions with Function 0 using INT A and Function
 * B using INT B. For Function 0 if set, INT B is used. For Function 1 if set,
 * INT A is used.
 *
 * EEPROM Word 0 Bit 11 for each Function may change the initial Int Pin
 * value specified in the PCI Configuration Space.
 */
#define INTAB           0x01

/*
 * Adv Library Status Definitions
 */
#define ADV_TRUE        1
#define ADV_FALSE       0
#define ADV_SUCCESS     1
#define ADV_BUSY        0
#define ADV_ERROR       (-1)

/*
 * ADV_DVC_VAR 'warn_code' values
 */
#define ASC_WARN_BUSRESET_ERROR         0x0001	/* SCSI Bus Reset error */
#define ASC_WARN_EEPROM_CHKSUM          0x0002	/* EEP check sum error */
#define ASC_WARN_EEPROM_TERMINATION     0x0004	/* EEP termination bad field */
#define ASC_WARN_ERROR                  0xFFFF	/* ADV_ERROR return */

#define ADV_MAX_TID                     15	/* max. target identifier */
#define ADV_MAX_LUN                     7	/* max. logical unit number */

/*
 * Fixed locations of microcode operating variables.
 */
#define ASC_MC_CODE_BEGIN_ADDR          0x0028	/* microcode start address */
#define ASC_MC_CODE_END_ADDR            0x002A	/* microcode end address */
#define ASC_MC_CODE_CHK_SUM             0x002C	/* microcode code checksum */
#define ASC_MC_VERSION_DATE             0x0038	/* microcode version */
#define ASC_MC_VERSION_NUM              0x003A	/* microcode number */
#define ASC_MC_BIOSMEM                  0x0040	/* BIOS RISC Memory Start */
#define ASC_MC_BIOSLEN                  0x0050	/* BIOS RISC Memory Length */
#define ASC_MC_BIOS_SIGNATURE           0x0058	/* BIOS Signature 0x55AA */
#define ASC_MC_BIOS_VERSION             0x005A	/* BIOS Version (2 bytes) */
#define ASC_MC_SDTR_SPEED1              0x0090	/* SDTR Speed for TID 0-3 */
#define ASC_MC_SDTR_SPEED2              0x0092	/* SDTR Speed for TID 4-7 */
#define ASC_MC_SDTR_SPEED3              0x0094	/* SDTR Speed for TID 8-11 */
#define ASC_MC_SDTR_SPEED4              0x0096	/* SDTR Speed for TID 12-15 */
#define ASC_MC_CHIP_TYPE                0x009A
#define ASC_MC_INTRB_CODE               0x009B
#define ASC_MC_WDTR_ABLE                0x009C
#define ASC_MC_SDTR_ABLE                0x009E
#define ASC_MC_TAGQNG_ABLE              0x00A0
#define ASC_MC_DISC_ENABLE              0x00A2
#define ASC_MC_IDLE_CMD_STATUS          0x00A4
#define ASC_MC_IDLE_CMD                 0x00A6
#define ASC_MC_IDLE_CMD_PARAMETER       0x00A8
#define ASC_MC_DEFAULT_SCSI_CFG0        0x00AC
#define ASC_MC_DEFAULT_SCSI_CFG1        0x00AE
#define ASC_MC_DEFAULT_MEM_CFG          0x00B0
#define ASC_MC_DEFAULT_SEL_MASK         0x00B2
#define ASC_MC_SDTR_DONE                0x00B6
#define ASC_MC_NUMBER_OF_QUEUED_CMD     0x00C0
#define ASC_MC_NUMBER_OF_MAX_CMD        0x00D0
#define ASC_MC_DEVICE_HSHK_CFG_TABLE    0x0100
#define ASC_MC_CONTROL_FLAG             0x0122	/* Microcode control flag. */
#define ASC_MC_WDTR_DONE                0x0124
#define ASC_MC_CAM_MODE_MASK            0x015E	/* CAM mode TID bitmask. */
#define ASC_MC_ICQ                      0x0160
#define ASC_MC_IRQ                      0x0164
#define ASC_MC_PPR_ABLE                 0x017A

/*
 * BIOS LRAM variable absolute offsets.
 */
#define BIOS_CODESEG    0x54
#define BIOS_CODELEN    0x56
#define BIOS_SIGNATURE  0x58
#define BIOS_VERSION    0x5A

/*
 * Microcode Control Flags
 *
 * Flags set by the Adv Library in RISC variable 'control_flag' (0x122)
 * and handled by the microcode.
 */
#define CONTROL_FLAG_IGNORE_PERR        0x0001	/* Ignore DMA Parity Errors */
#define CONTROL_FLAG_ENABLE_AIPP        0x0002	/* Enabled AIPP checking. */

/*
 * ASC_MC_DEVICE_HSHK_CFG_TABLE microcode table or HSHK_CFG register format
 */
#define HSHK_CFG_WIDE_XFR       0x8000
#define HSHK_CFG_RATE           0x0F00
#define HSHK_CFG_OFFSET         0x001F

#define ASC_DEF_MAX_HOST_QNG    0xFD	/* Max. number of host commands (253) */
#define ASC_DEF_MIN_HOST_QNG    0x10	/* Min. number of host commands (16) */
#define ASC_DEF_MAX_DVC_QNG     0x3F	/* Max. number commands per device (63) */
#define ASC_DEF_MIN_DVC_QNG     0x04	/* Min. number commands per device (4) */

#define ASC_QC_DATA_CHECK  0x01	/* Require ASC_QC_DATA_OUT set or clear. */
#define ASC_QC_DATA_OUT    0x02	/* Data out DMA transfer. */
#define ASC_QC_START_MOTOR 0x04	/* Send auto-start motor before request. */
#define ASC_QC_NO_OVERRUN  0x08	/* Don't report overrun. */
#define ASC_QC_FREEZE_TIDQ 0x10	/* Freeze TID queue after request. XXX TBD */

#define ASC_QSC_NO_DISC     0x01	/* Don't allow disconnect for request. */
#define ASC_QSC_NO_TAGMSG   0x02	/* Don't allow tag queuing for request. */
#define ASC_QSC_NO_SYNC     0x04	/* Don't use Synch. transfer on request. */
#define ASC_QSC_NO_WIDE     0x08	/* Don't use Wide transfer on request. */
#define ASC_QSC_REDO_DTR    0x10	/* Renegotiate WDTR/SDTR before request. */
/*
 * Note: If a Tag Message is to be sent and neither ASC_QSC_HEAD_TAG or
 * ASC_QSC_ORDERED_TAG is set, then a Simple Tag Message (0x20) is used.
 */
#define ASC_QSC_HEAD_TAG    0x40	/* Use Head Tag Message (0x21). */
#define ASC_QSC_ORDERED_TAG 0x80	/* Use Ordered Tag Message (0x22). */

/*
 * All fields here are accessed by the board microcode and need to be
 * little-endian.
 */
typedef struct adv_carr_t {
	__le32 carr_va;	/* Carrier Virtual Address */
	__le32 carr_pa;	/* Carrier Physical Address */
	__le32 areq_vpa;	/* ADV_SCSI_REQ_Q Virtual or Physical Address */
	/*
	 * next_vpa [31:4]            Carrier Virtual or Physical Next Pointer
	 *
	 * next_vpa [3:1]             Reserved Bits
	 * next_vpa [0]               Done Flag set in Response Queue.
	 */
	__le32 next_vpa;
} ADV_CARR_T;

/*
 * Mask used to eliminate low 4 bits of carrier 'next_vpa' field.
 */
#define ADV_NEXT_VPA_MASK       0xFFFFFFF0

#define ADV_RQ_DONE             0x00000001
#define ADV_RQ_GOOD             0x00000002
#define ADV_CQ_STOPPER          0x00000000

#define ADV_GET_CARRP(carrp) ((carrp) & ADV_NEXT_VPA_MASK)

/*
 * Each carrier is 64 bytes, and we need three additional
 * carrier for icq, irq, and the termination carrier.
 */
#define ADV_CARRIER_COUNT (ASC_DEF_MAX_HOST_QNG + 3)

#define ADV_CARRIER_BUFSIZE \
	(ADV_CARRIER_COUNT * sizeof(ADV_CARR_T))

#define ADV_CHIP_ASC3550          0x01	/* Ultra-Wide IC */
#define ADV_CHIP_ASC38C0800       0x02	/* Ultra2-Wide/LVD IC */
#define ADV_CHIP_ASC38C1600       0x03	/* Ultra3-Wide/LVD2 IC */

/*
 * Adapter temporary configuration structure
 *
 * This structure can be discarded after initialization. Don't add
 * fields here needed after initialization.
 *
 * Field naming convention:
 *
 *  *_enable indicates the field enables or disables a feature. The
 *  value of the field is never reset.
 */
typedef struct adv_dvc_cfg {
	ushort disc_enable;	/* enable disconnection */
	uchar chip_version;	/* chip version */
	uchar termination;	/* Term. Ctrl. bits 6-5 of SCSI_CFG1 register */
	ushort control_flag;	/* Microcode Control Flag */
	ushort mcode_date;	/* Microcode date */
	ushort mcode_version;	/* Microcode version */
	ushort serial1;		/* EEPROM serial number word 1 */
	ushort serial2;		/* EEPROM serial number word 2 */
	ushort serial3;		/* EEPROM serial number word 3 */
} ADV_DVC_CFG;

struct adv_dvc_var;
struct adv_scsi_req_q;

typedef struct adv_sg_block {
	uchar reserved1;
	uchar reserved2;
	uchar reserved3;
	uchar sg_cnt;		/* Valid entries in block. */
	__le32 sg_ptr;	/* Pointer to next sg block. */
	struct {
		__le32 sg_addr;	/* SG element address. */
		__le32 sg_count;	/* SG element count. */
	} sg_list[NO_OF_SG_PER_BLOCK];
} ADV_SG_BLOCK;

/*
 * ADV_SCSI_REQ_Q - microcode request structure
 *
 * All fields in this structure up to byte 60 are used by the microcode.
 * The microcode makes assumptions about the size and ordering of fields
 * in this structure. Do not change the structure definition here without
 * coordinating the change with the microcode.
 *
 * All fields accessed by microcode must be maintained in little_endian
 * order.
 */
typedef struct adv_scsi_req_q {
	uchar cntl;		/* Ucode flags and state (ASC_MC_QC_*). */
	uchar target_cmd;
	uchar target_id;	/* Device target identifier. */
	uchar target_lun;	/* Device target logical unit number. */
	__le32 data_addr;	/* Data buffer physical address. */
	__le32 data_cnt;	/* Data count. Ucode sets to residual. */
	__le32 sense_addr;
	__le32 carr_pa;
	uchar mflag;
	uchar sense_len;
	uchar cdb_len;		/* SCSI CDB length. Must <= 16 bytes. */
	uchar scsi_cntl;
	uchar done_status;	/* Completion status. */
	uchar scsi_status;	/* SCSI status byte. */
	uchar host_status;	/* Ucode host status. */
	uchar sg_working_ix;
	uchar cdb[12];		/* SCSI CDB bytes 0-11. */
	__le32 sg_real_addr;	/* SG list physical address. */
	__le32 scsiq_rptr;
	uchar cdb16[4];		/* SCSI CDB bytes 12-15. */
	__le32 scsiq_ptr;
	__le32 carr_va;
	/*
	 * End of microcode structure - 60 bytes. The rest of the structure
	 * is used by the Adv Library and ignored by the microcode.
	 */
	u32 srb_tag;
	ADV_SG_BLOCK *sg_list_ptr;	/* SG list virtual address. */
} ADV_SCSI_REQ_Q;

/*
 * The following two structures are used to process Wide Board requests.
 *
 * The ADV_SCSI_REQ_Q structure in adv_req_t is passed to the Adv Library
 * and microcode with the ADV_SCSI_REQ_Q field 'srb_tag' set to the
 * SCSI request tag. The adv_req_t structure 'cmndp' field in turn points
 * to the Mid-Level SCSI request structure.
 *
 * Zero or more ADV_SG_BLOCK are used with each ADV_SCSI_REQ_Q. Each
 * ADV_SG_BLOCK structure holds 15 scatter-gather elements. Under Linux
 * up to 255 scatter-gather elements may be used per request or
 * ADV_SCSI_REQ_Q.
 *
 * Both structures must be 32 byte aligned.
 */
typedef struct adv_sgblk {
	ADV_SG_BLOCK sg_block;	/* Sgblock structure. */
	dma_addr_t sg_addr;	/* Physical address */
	struct adv_sgblk *next_sgblkp;	/* Next scatter-gather structure. */
} adv_sgblk_t;

typedef struct adv_req {
	ADV_SCSI_REQ_Q scsi_req_q;	/* Adv Library request structure. */
	uchar align[24];	/* Request structure padding. */
	struct scsi_cmnd *cmndp;	/* Mid-Level SCSI command pointer. */
	dma_addr_t req_addr;
	adv_sgblk_t *sgblkp;	/* Adv Library scatter-gather pointer. */
} adv_req_t __aligned(32);

/*
 * Adapter operation variable structure.
 *
 * One structure is required per host adapter.
 *
 * Field naming convention:
 *
 *  *_able indicates both whether a feature should be enabled or disabled
 *  and whether a device isi capable of the feature. At initialization
 *  this field may be set, but later if a device is found to be incapable
 *  of the feature, the field is cleared.
 */
typedef struct adv_dvc_var {
	AdvPortAddr iop_base;	/* I/O port address */
	ushort err_code;	/* fatal error code */
	ushort bios_ctrl;	/* BIOS control word, EEPROM word 12 */
	ushort wdtr_able;	/* try WDTR for a device */
	ushort sdtr_able;	/* try SDTR for a device */
	ushort ultra_able;	/* try SDTR Ultra speed for a device */
	ushort sdtr_speed1;	/* EEPROM SDTR Speed for TID 0-3   */
	ushort sdtr_speed2;	/* EEPROM SDTR Speed for TID 4-7   */
	ushort sdtr_speed3;	/* EEPROM SDTR Speed for TID 8-11  */
	ushort sdtr_speed4;	/* EEPROM SDTR Speed for TID 12-15 */
	ushort tagqng_able;	/* try tagged queuing with a device */
	ushort ppr_able;	/* PPR message capable per TID bitmask. */
	uchar max_dvc_qng;	/* maximum number of tagged commands per device */
	ushort start_motor;	/* start motor command allowed */
	uchar scsi_reset_wait;	/* delay in seconds after scsi bus reset */
	uchar chip_no;		/* should be assigned by caller */
	uchar max_host_qng;	/* maximum number of Q'ed command allowed */
	ushort no_scam;		/* scam_tolerant of EEPROM */
	struct asc_board *drv_ptr;	/* driver pointer to private structure */
	uchar chip_scsi_id;	/* chip SCSI target ID */
	uchar chip_type;
	uchar bist_err_code;
	ADV_CARR_T *carrier;
	ADV_CARR_T *carr_freelist;	/* Carrier free list. */
	dma_addr_t carrier_addr;
	ADV_CARR_T *icq_sp;	/* Initiator command queue stopper pointer. */
	ADV_CARR_T *irq_sp;	/* Initiator response queue stopper pointer. */
	ushort carr_pending_cnt;	/* Count of pending carriers. */
	/*
	 * Note: The following fields will not be used after initialization. The
	 * driver may discard the buffer after initialization is done.
	 */
	ADV_DVC_CFG *cfg;	/* temporary configuration structure  */
} ADV_DVC_VAR;

/*
 * Microcode idle loop commands
 */
#define IDLE_CMD_COMPLETED           0
#define IDLE_CMD_STOP_CHIP           0x0001
#define IDLE_CMD_STOP_CHIP_SEND_INT  0x0002
#define IDLE_CMD_SEND_INT            0x0004
#define IDLE_CMD_ABORT               0x0008
#define IDLE_CMD_DEVICE_RESET        0x0010
#define IDLE_CMD_SCSI_RESET_START    0x0020	/* Assert SCSI Bus Reset */
#define IDLE_CMD_SCSI_RESET_END      0x0040	/* Deassert SCSI Bus Reset */
#define IDLE_CMD_SCSIREQ             0x0080

#define IDLE_CMD_STATUS_SUCCESS      0x0001
#define IDLE_CMD_STATUS_FAILURE      0x0002

/*
 * AdvSendIdleCmd() flag definitions.
 */
#define ADV_NOWAIT     0x01

/*
 * Wait loop time out values.
 */
#define SCSI_WAIT_100_MSEC           100UL	/* 100 milliseconds */
#define SCSI_US_PER_MSEC             1000	/* microseconds per millisecond */
#define SCSI_MAX_RETRY               10	/* retry count */

#define ADV_ASYNC_RDMA_FAILURE          0x01	/* Fatal RDMA failure. */
#define ADV_ASYNC_SCSI_BUS_RESET_DET    0x02	/* Detected SCSI Bus Reset. */
#define ADV_ASYNC_CARRIER_READY_FAILURE 0x03	/* Carrier Ready failure. */
#define ADV_RDMA_IN_CARR_AND_Q_INVALID  0x04	/* RDMAed-in data invalid. */

#define ADV_HOST_SCSI_BUS_RESET      0x80	/* Host Initiated SCSI Bus Reset. */

/* Read byte from a register. */
#define AdvReadByteRegister(iop_base, reg_off) \
     (ADV_MEM_READB((iop_base) + (reg_off)))

/* Write byte to a register. */
#define AdvWriteByteRegister(iop_base, reg_off, byte) \
     (ADV_MEM_WRITEB((iop_base) + (reg_off), (byte)))

/* Read word (2 bytes) from a register. */
#define AdvReadWordRegister(iop_base, reg_off) \
     (ADV_MEM_READW((iop_base) + (reg_off)))

/* Write word (2 bytes) to a register. */
#define AdvWriteWordRegister(iop_base, reg_off, word) \
     (ADV_MEM_WRITEW((iop_base) + (reg_off), (word)))

/* Write dword (4 bytes) to a register. */
#define AdvWriteDWordRegister(iop_base, reg_off, dword) \
     (ADV_MEM_WRITEDW((iop_base) + (reg_off), (dword)))

/* Read byte from LRAM. */
#define AdvReadByteLram(iop_base, addr, byte) \
do { \
    ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \
    (byte) = ADV_MEM_READB((iop_base) + IOPB_RAM_DATA); \
} while (0)

/* Write byte to LRAM. */
#define AdvWriteByteLram(iop_base, addr, byte) \
    (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
     ADV_MEM_WRITEB((iop_base) + IOPB_RAM_DATA, (byte)))

/* Read word (2 bytes) from LRAM. */
#define AdvReadWordLram(iop_base, addr, word) \
do { \
    ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)); \
    (word) = (ADV_MEM_READW((iop_base) + IOPW_RAM_DATA)); \
} while (0)

/* Write word (2 bytes) to LRAM. */
#define AdvWriteWordLram(iop_base, addr, word) \
    (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
     ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word)))

/* Write little-endian double word (4 bytes) to LRAM */
/* Because of unspecified C language ordering don't use auto-increment. */
#define AdvWriteDWordLramNoSwap(iop_base, addr, dword) \
    ((ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr)), \
      ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \
                     cpu_to_le16((ushort) ((dword) & 0xFFFF)))), \
     (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_ADDR, (addr) + 2), \
      ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, \
                     cpu_to_le16((ushort) ((dword >> 16) & 0xFFFF)))))

/* Read word (2 bytes) from LRAM assuming that the address is already set. */
#define AdvReadWordAutoIncLram(iop_base) \
     (ADV_MEM_READW((iop_base) + IOPW_RAM_DATA))

/* Write word (2 bytes) to LRAM assuming that the address is already set. */
#define AdvWriteWordAutoIncLram(iop_base, word) \
     (ADV_MEM_WRITEW((iop_base) + IOPW_RAM_DATA, (word)))

/*
 * Define macro to check for Condor signature.
 *
 * Evaluate to ADV_TRUE if a Condor chip is found the specified port
 * address 'iop_base'. Otherwise evalue to ADV_FALSE.
 */
#define AdvFindSignature(iop_base) \
    (((AdvReadByteRegister((iop_base), IOPB_CHIP_ID_1) == \
    ADV_CHIP_ID_BYTE) && \
     (AdvReadWordRegister((iop_base), IOPW_CHIP_ID_0) == \
    ADV_CHIP_ID_WORD)) ?  ADV_TRUE : ADV_FALSE)

/*
 * Define macro to Return the version number of the chip at 'iop_base'.
 *
 * The second parameter 'bus_type' is currently unused.
 */
#define AdvGetChipVersion(iop_base, bus_type) \
    AdvReadByteRegister((iop_base), IOPB_CHIP_TYPE_REV)

/*
 * Abort an SRB in the chip's RISC Memory. The 'srb_tag' argument must
 * match the ADV_SCSI_REQ_Q 'srb_tag' field.
 *
 * If the request has not yet been sent to the device it will simply be
 * aborted from RISC memory. If the request is disconnected it will be
 * aborted on reselection by sending an Abort Message to the target ID.
 *
 * Return value:
 *      ADV_TRUE(1) - Queue was successfully aborted.
 *      ADV_FALSE(0) - Queue was not found on the active queue list.
 */
#define AdvAbortQueue(asc_dvc, srb_tag) \
     AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_ABORT, \
		    (ADV_DCNT) (srb_tag))

/*
 * Send a Bus Device Reset Message to the specified target ID.
 *
 * All outstanding commands will be purged if sending the
 * Bus Device Reset Message is successful.
 *
 * Return Value:
 *      ADV_TRUE(1) - All requests on the target are purged.
 *      ADV_FALSE(0) - Couldn't issue Bus Device Reset Message; Requests
 *                     are not purged.
 */
#define AdvResetDevice(asc_dvc, target_id) \
     AdvSendIdleCmd((asc_dvc), (ushort) IDLE_CMD_DEVICE_RESET,	\
		    (ADV_DCNT) (target_id))

/*
 * SCSI Wide Type definition.
 */
#define ADV_SCSI_BIT_ID_TYPE   ushort

/*
 * AdvInitScsiTarget() 'cntl_flag' options.
 */
#define ADV_SCAN_LUN           0x01
#define ADV_CAPINFO_NOLUN      0x02

/*
 * Convert target id to target id bit mask.
 */
#define ADV_TID_TO_TIDMASK(tid)   (0x01 << ((tid) & ADV_MAX_TID))

/*
 * ADV_SCSI_REQ_Q 'done_status' and 'host_status' return values.
 */

#define QD_NO_STATUS         0x00	/* Request not completed yet. */
#define QD_NO_ERROR          0x01
#define QD_ABORTED_BY_HOST   0x02
#define QD_WITH_ERROR        0x04

#define QHSTA_NO_ERROR              0x00
#define QHSTA_M_SEL_TIMEOUT         0x11
#define QHSTA_M_DATA_OVER_RUN       0x12
#define QHSTA_M_UNEXPECTED_BUS_FREE 0x13
#define QHSTA_M_QUEUE_ABORTED       0x15
#define QHSTA_M_SXFR_SDMA_ERR       0x16	/* SXFR_STATUS SCSI DMA Error */
#define QHSTA_M_SXFR_SXFR_PERR      0x17	/* SXFR_STATUS SCSI Bus Parity Error */
#define QHSTA_M_RDMA_PERR           0x18	/* RISC PCI DMA parity error */
#define QHSTA_M_SXFR_OFF_UFLW       0x19	/* SXFR_STATUS Offset Underflow */
#define QHSTA_M_SXFR_OFF_OFLW       0x20	/* SXFR_STATUS Offset Overflow */
#define QHSTA_M_SXFR_WD_TMO         0x21	/* SXFR_STATUS Watchdog Timeout */
#define QHSTA_M_SXFR_DESELECTED     0x22	/* SXFR_STATUS Deselected */
/* Note: QHSTA_M_SXFR_XFR_OFLW is identical to QHSTA_M_DATA_OVER_RUN. */
#define QHSTA_M_SXFR_XFR_OFLW       0x12	/* SXFR_STATUS Transfer Overflow */
#define QHSTA_M_SXFR_XFR_PH_ERR     0x24	/* SXFR_STATUS Transfer Phase Error */
#define QHSTA_M_SXFR_UNKNOWN_ERROR  0x25	/* SXFR_STATUS Unknown Error */
#define QHSTA_M_SCSI_BUS_RESET      0x30	/* Request aborted from SBR */
#define QHSTA_M_SCSI_BUS_RESET_UNSOL 0x31	/* Request aborted from unsol. SBR */
#define QHSTA_M_BUS_DEVICE_RESET    0x32	/* Request aborted from BDR */
#define QHSTA_M_DIRECTION_ERR       0x35	/* Data Phase mismatch */
#define QHSTA_M_DIRECTION_ERR_HUNG  0x36	/* Data Phase mismatch and bus hang */
#define QHSTA_M_WTM_TIMEOUT         0x41
#define QHSTA_M_BAD_CMPL_STATUS_IN  0x42
#define QHSTA_M_NO_AUTO_REQ_SENSE   0x43
#define QHSTA_M_AUTO_REQ_SENSE_FAIL 0x44
#define QHSTA_M_INVALID_DEVICE      0x45	/* Bad target ID */
#define QHSTA_M_FROZEN_TIDQ         0x46	/* TID Queue frozen. */
#define QHSTA_M_SGBACKUP_ERROR      0x47	/* Scatter-Gather backup error */

/* Return the address that is aligned at the next doubleword >= to 'addr'. */
#define ADV_32BALIGN(addr)     (((ulong) (addr) + 0x1F) & ~0x1F)

/*
 * Total contiguous memory needed for driver SG blocks.
 *
 * ADV_MAX_SG_LIST must be defined by a driver. It is the maximum
 * number of scatter-gather elements the driver supports in a
 * single request.
 */

#define ADV_SG_LIST_MAX_BYTE_SIZE \
         (sizeof(ADV_SG_BLOCK) * \
          ((ADV_MAX_SG_LIST + (NO_OF_SG_PER_BLOCK - 1))/NO_OF_SG_PER_BLOCK))

/* struct asc_board flags */
#define ASC_IS_WIDE_BOARD       0x04	/* AdvanSys Wide Board */

#define ASC_NARROW_BOARD(boardp) (((boardp)->flags & ASC_IS_WIDE_BOARD) == 0)

#define NO_ISA_DMA              0xff	/* No ISA DMA Channel Used */

#define ASC_INFO_SIZE           128	/* advansys_info() line size */

/* Asc Library return codes */
#define ASC_TRUE        1
#define ASC_FALSE       0
#define ASC_NOERROR     1
#define ASC_BUSY        0
#define ASC_ERROR       (-1)

/* struct scsi_cmnd function return codes */
#define STATUS_BYTE(byte)   (byte)
#define MSG_BYTE(byte)      ((byte) << 8)
#define HOST_BYTE(byte)     ((byte) << 16)
#define DRIVER_BYTE(byte)   ((byte) << 24)

#define ASC_STATS(shost, counter) ASC_STATS_ADD(shost, counter, 1)
#ifndef ADVANSYS_STATS
#define ASC_STATS_ADD(shost, counter, count)
#else /* ADVANSYS_STATS */
#define ASC_STATS_ADD(shost, counter, count) \
	(((struct asc_board *) shost_priv(shost))->asc_stats.counter += (count))
#endif /* ADVANSYS_STATS */

/* If the result wraps when calculating tenths, return 0. */
#define ASC_TENTHS(num, den) \
    (((10 * ((num)/(den))) > (((num) * 10)/(den))) ? \
    0 : ((((num) * 10)/(den)) - (10 * ((num)/(den)))))

/*
 * Display a message to the console.
 */
#define ASC_PRINT(s) \
    { \
        printk("advansys: "); \
        printk(s); \
    }

#define ASC_PRINT1(s, a1) \
    { \
        printk("advansys: "); \
        printk((s), (a1)); \
    }

#define ASC_PRINT2(s, a1, a2) \
    { \
        printk("advansys: "); \
        printk((s), (a1), (a2)); \
    }

#define ASC_PRINT3(s, a1, a2, a3) \
    { \
        printk("advansys: "); \
        printk((s), (a1), (a2), (a3)); \
    }

#define ASC_PRINT4(s, a1, a2, a3, a4) \
    { \
        printk("advansys: "); \
        printk((s), (a1), (a2), (a3), (a4)); \
    }

#ifndef ADVANSYS_DEBUG

#define ASC_DBG(lvl, s...)
#define ASC_DBG_PRT_SCSI_HOST(lvl, s)
#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp)
#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp)
#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone)
#define ADV_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp)
#define ASC_DBG_PRT_HEX(lvl, name, start, length)
#define ASC_DBG_PRT_CDB(lvl, cdb, len)
#define ASC_DBG_PRT_SENSE(lvl, sense, len)
#define ASC_DBG_PRT_INQUIRY(lvl, inq, len)

#else /* ADVANSYS_DEBUG */

/*
 * Debugging Message Levels:
 * 0: Errors Only
 * 1: High-Level Tracing
 * 2-N: Verbose Tracing
 */

#define ASC_DBG(lvl, format, arg...) {					\
	if (asc_dbglvl >= (lvl))					\
		printk(KERN_DEBUG "%s: %s: " format, DRV_NAME,		\
			__func__ , ## arg);				\
}

#define ASC_DBG_PRT_SCSI_HOST(lvl, s) \
    { \
        if (asc_dbglvl >= (lvl)) { \
            asc_prt_scsi_host(s); \
        } \
    }

#define ASC_DBG_PRT_ASC_SCSI_Q(lvl, scsiqp) \
    { \
        if (asc_dbglvl >= (lvl)) { \
            asc_prt_asc_scsi_q(scsiqp); \
        } \
    }

#define ASC_DBG_PRT_ASC_QDONE_INFO(lvl, qdone) \
    { \
        if (asc_dbglvl >= (lvl)) { \
            asc_prt_asc_qdone_info(qdone); \
        } \
    }

#define ASC_DBG_PRT_ADV_SCSI_REQ_Q(lvl, scsiqp) \
    { \
        if (asc_dbglvl >= (lvl)) { \
            asc_prt_adv_scsi_req_q(scsiqp); \
        } \
    }

#define ASC_DBG_PRT_HEX(lvl, name, start, length) \
    { \
        if (asc_dbglvl >= (lvl)) { \
            asc_prt_hex((name), (start), (length)); \
        } \
    }

#define ASC_DBG_PRT_CDB(lvl, cdb, len) \
        ASC_DBG_PRT_HEX((lvl), "CDB", (uchar *) (cdb), (len));

#define ASC_DBG_PRT_SENSE(lvl, sense, len) \
        ASC_DBG_PRT_HEX((lvl), "SENSE", (uchar *) (sense), (len));

#define ASC_DBG_PRT_INQUIRY(lvl, inq, len) \
        ASC_DBG_PRT_HEX((lvl), "INQUIRY", (uchar *) (inq), (len));
#endif /* ADVANSYS_DEBUG */

#ifdef ADVANSYS_STATS

/* Per board statistics structure */
struct asc_stats {
	/* Driver Entrypoint Statistics */
	unsigned int queuecommand;	/* # calls to advansys_queuecommand() */
	unsigned int reset;		/* # calls to advansys_eh_bus_reset() */
	unsigned int biosparam;	/* # calls to advansys_biosparam() */
	unsigned int interrupt;	/* # advansys_interrupt() calls */
	unsigned int callback;	/* # calls to asc/adv_isr_callback() */
	unsigned int done;		/* # calls to request's scsi_done function */
	unsigned int build_error;	/* # asc/adv_build_req() ASC_ERROR returns. */
	unsigned int adv_build_noreq;	/* # adv_build_req() adv_req_t alloc. fail. */
	unsigned int adv_build_nosg;	/* # adv_build_req() adv_sgblk_t alloc. fail. */
	/* AscExeScsiQueue()/AdvExeScsiQueue() Statistics */
	unsigned int exe_noerror;	/* # ASC_NOERROR returns. */
	unsigned int exe_busy;	/* # ASC_BUSY returns. */
	unsigned int exe_error;	/* # ASC_ERROR returns. */
	unsigned int exe_unknown;	/* # unknown returns. */
	/* Data Transfer Statistics */
	unsigned int xfer_cnt;	/* # I/O requests received */
	unsigned int xfer_elem;	/* # scatter-gather elements */
	unsigned int xfer_sect;	/* # 512-byte blocks */
};
#endif /* ADVANSYS_STATS */

/*
 * Structure allocated for each board.
 *
 * This structure is allocated by scsi_host_alloc() at the end
 * of the 'Scsi_Host' structure starting at the 'hostdata'
 * field. It is guaranteed to be allocated from DMA-able memory.
 */
struct asc_board {
	struct device *dev;
	struct Scsi_Host *shost;
	uint flags;		/* Board flags */
	unsigned int irq;
	union {
		ASC_DVC_VAR asc_dvc_var;	/* Narrow board */
		ADV_DVC_VAR adv_dvc_var;	/* Wide board */
	} dvc_var;
	union {
		ASC_DVC_CFG asc_dvc_cfg;	/* Narrow board */
		ADV_DVC_CFG adv_dvc_cfg;	/* Wide board */
	} dvc_cfg;
	ushort asc_n_io_port;	/* Number I/O ports. */
	ADV_SCSI_BIT_ID_TYPE init_tidmask;	/* Target init./valid mask */
	ushort reqcnt[ADV_MAX_TID + 1];	/* Starvation request count */
	ADV_SCSI_BIT_ID_TYPE queue_full;	/* Queue full mask */
	ushort queue_full_cnt[ADV_MAX_TID + 1];	/* Queue full count */
	union {
		ASCEEP_CONFIG asc_eep;	/* Narrow EEPROM config. */
		ADVEEP_3550_CONFIG adv_3550_eep;	/* 3550 EEPROM config. */
		ADVEEP_38C0800_CONFIG adv_38C0800_eep;	/* 38C0800 EEPROM config. */
		ADVEEP_38C1600_CONFIG adv_38C1600_eep;	/* 38C1600 EEPROM config. */
	} eep_config;
	/* /proc/scsi/advansys/[0...] */
#ifdef ADVANSYS_STATS
	struct asc_stats asc_stats;	/* Board statistics */
#endif				/* ADVANSYS_STATS */
	/*
	 * The following fields are used only for Narrow Boards.
	 */
	uchar sdtr_data[ASC_MAX_TID + 1];	/* SDTR information */
	/*
	 * The following fields are used only for Wide Boards.
	 */
	void __iomem *ioremap_addr;	/* I/O Memory remap address. */
	ushort ioport;		/* I/O Port address. */
	adv_req_t *adv_reqp;	/* Request structures. */
	dma_addr_t adv_reqp_addr;
	size_t adv_reqp_size;
	struct dma_pool *adv_sgblk_pool;	/* Scatter-gather structures. */
	ushort bios_signature;	/* BIOS Signature. */
	ushort bios_version;	/* BIOS Version. */
	ushort bios_codeseg;	/* BIOS Code Segment. */
	ushort bios_codelen;	/* BIOS Code Segment Length. */
};

#define asc_dvc_to_board(asc_dvc) container_of(asc_dvc, struct asc_board, \
							dvc_var.asc_dvc_var)
#define adv_dvc_to_board(adv_dvc) container_of(adv_dvc, struct asc_board, \
							dvc_var.adv_dvc_var)
#define adv_dvc_to_pdev(adv_dvc) to_pci_dev(adv_dvc_to_board(adv_dvc)->dev)

#ifdef ADVANSYS_DEBUG
static int asc_dbglvl = 3;

/*
 * asc_prt_asc_dvc_var()
 */
static void asc_prt_asc_dvc_var(ASC_DVC_VAR *h)
{
	printk("ASC_DVC_VAR at addr 0x%lx\n", (ulong)h);

	printk(" iop_base 0x%x, err_code 0x%x, dvc_cntl 0x%x, bug_fix_cntl "
	       "%d,\n", h->iop_base, h->err_code, h->dvc_cntl, h->bug_fix_cntl);

	printk(" bus_type %d, init_sdtr 0x%x,\n", h->bus_type,
		(unsigned)h->init_sdtr);

	printk(" sdtr_done 0x%x, use_tagged_qng 0x%x, unit_not_ready 0x%x, "
	       "chip_no 0x%x,\n", (unsigned)h->sdtr_done,
	       (unsigned)h->use_tagged_qng, (unsigned)h->unit_not_ready,
	       (unsigned)h->chip_no);

	printk(" queue_full_or_busy 0x%x, start_motor 0x%x, scsi_reset_wait "
	       "%u,\n", (unsigned)h->queue_full_or_busy,
	       (unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);

	printk(" is_in_int %u, max_total_qng %u, cur_total_qng %u, "
	       "in_critical_cnt %u,\n", (unsigned)h->is_in_int,
	       (unsigned)h->max_total_qng, (unsigned)h->cur_total_qng,
	       (unsigned)h->in_critical_cnt);

	printk(" last_q_shortage %u, init_state 0x%x, no_scam 0x%x, "
	       "pci_fix_asyn_xfer 0x%x,\n", (unsigned)h->last_q_shortage,
	       (unsigned)h->init_state, (unsigned)h->no_scam,
	       (unsigned)h->pci_fix_asyn_xfer);

	printk(" cfg 0x%lx\n", (ulong)h->cfg);
}

/*
 * asc_prt_asc_dvc_cfg()
 */
static void asc_prt_asc_dvc_cfg(ASC_DVC_CFG *h)
{
	printk("ASC_DVC_CFG at addr 0x%lx\n", (ulong)h);

	printk(" can_tagged_qng 0x%x, cmd_qng_enabled 0x%x,\n",
	       h->can_tagged_qng, h->cmd_qng_enabled);
	printk(" disc_enable 0x%x, sdtr_enable 0x%x,\n",
	       h->disc_enable, h->sdtr_enable);

	printk(" chip_scsi_id %d, isa_dma_speed %d, isa_dma_channel %d, "
		"chip_version %d,\n", h->chip_scsi_id, h->isa_dma_speed,
		h->isa_dma_channel, h->chip_version);

	printk(" mcode_date 0x%x, mcode_version %d\n",
		h->mcode_date, h->mcode_version);
}

/*
 * asc_prt_adv_dvc_var()
 *
 * Display an ADV_DVC_VAR structure.
 */
static void asc_prt_adv_dvc_var(ADV_DVC_VAR *h)
{
	printk(" ADV_DVC_VAR at addr 0x%lx\n", (ulong)h);

	printk("  iop_base 0x%lx, err_code 0x%x, ultra_able 0x%x\n",
	       (ulong)h->iop_base, h->err_code, (unsigned)h->ultra_able);

	printk("  sdtr_able 0x%x, wdtr_able 0x%x\n",
	       (unsigned)h->sdtr_able, (unsigned)h->wdtr_able);

	printk("  start_motor 0x%x, scsi_reset_wait 0x%x\n",
	       (unsigned)h->start_motor, (unsigned)h->scsi_reset_wait);

	printk("  max_host_qng %u, max_dvc_qng %u, carr_freelist 0x%p\n",
	       (unsigned)h->max_host_qng, (unsigned)h->max_dvc_qng,
	       h->carr_freelist);

	printk("  icq_sp 0x%p, irq_sp 0x%p\n", h->icq_sp, h->irq_sp);

	printk("  no_scam 0x%x, tagqng_able 0x%x\n",
	       (unsigned)h->no_scam, (unsigned)h->tagqng_able);

	printk("  chip_scsi_id 0x%x, cfg 0x%lx\n",
	       (unsigned)h->chip_scsi_id, (ulong)h->cfg);
}

/*
 * asc_prt_adv_dvc_cfg()
 *
 * Display an ADV_DVC_CFG structure.
 */
static void asc_prt_adv_dvc_cfg(ADV_DVC_CFG *h)
{
	printk(" ADV_DVC_CFG at addr 0x%lx\n", (ulong)h);

	printk("  disc_enable 0x%x, termination 0x%x\n",
	       h->disc_enable, h->termination);

	printk("  chip_version 0x%x, mcode_date 0x%x\n",
	       h->chip_version, h->mcode_date);

	printk("  mcode_version 0x%x, control_flag 0x%x\n",
	       h->mcode_version, h->control_flag);
}

/*
 * asc_prt_scsi_host()
 */
static void asc_prt_scsi_host(struct Scsi_Host *s)
{
	struct asc_board *boardp = shost_priv(s);

	printk("Scsi_Host at addr 0x%p, device %s\n", s, dev_name(boardp->dev));
	printk(" host_busy %d, host_no %d,\n",
	       scsi_host_busy(s), s->host_no);

	printk(" base 0x%lx, io_port 0x%lx, irq %d,\n",
	       (ulong)s->base, (ulong)s->io_port, boardp->irq);

	printk(" dma_channel %d, this_id %d, can_queue %d,\n",
	       s->dma_channel, s->this_id, s->can_queue);

	printk(" cmd_per_lun %d, sg_tablesize %d, unchecked_isa_dma %d\n",
	       s->cmd_per_lun, s->sg_tablesize, s->unchecked_isa_dma);

	if (ASC_NARROW_BOARD(boardp)) {
		asc_prt_asc_dvc_var(&boardp->dvc_var.asc_dvc_var);
		asc_prt_asc_dvc_cfg(&boardp->dvc_cfg.asc_dvc_cfg);
	} else {
		asc_prt_adv_dvc_var(&boardp->dvc_var.adv_dvc_var);
		asc_prt_adv_dvc_cfg(&boardp->dvc_cfg.adv_dvc_cfg);
	}
}

/*
 * asc_prt_hex()
 *
 * Print hexadecimal output in 4 byte groupings 32 bytes
 * or 8 double-words per line.
 */
static void asc_prt_hex(char *f, uchar *s, int l)
{
	int i;
	int j;
	int k;
	int m;

	printk("%s: (%d bytes)\n", f, l);

	for (i = 0; i < l; i += 32) {

		/* Display a maximum of 8 double-words per line. */
		if ((k = (l - i) / 4) >= 8) {
			k = 8;
			m = 0;
		} else {
			m = (l - i) % 4;
		}

		for (j = 0; j < k; j++) {
			printk(" %2.2X%2.2X%2.2X%2.2X",
			       (unsigned)s[i + (j * 4)],
			       (unsigned)s[i + (j * 4) + 1],
			       (unsigned)s[i + (j * 4) + 2],
			       (unsigned)s[i + (j * 4) + 3]);
		}

		switch (m) {
		case 0:
		default:
			break;
		case 1:
			printk(" %2.2X", (unsigned)s[i + (j * 4)]);
			break;
		case 2:
			printk(" %2.2X%2.2X",
			       (unsigned)s[i + (j * 4)],
			       (unsigned)s[i + (j * 4) + 1]);
			break;
		case 3:
			printk(" %2.2X%2.2X%2.2X",
			       (unsigned)s[i + (j * 4) + 1],
			       (unsigned)s[i + (j * 4) + 2],
			       (unsigned)s[i + (j * 4) + 3]);
			break;
		}

		printk("\n");
	}
}

/*
 * asc_prt_asc_scsi_q()
 */
static void asc_prt_asc_scsi_q(ASC_SCSI_Q *q)
{
	ASC_SG_HEAD *sgp;
	int i;

	printk("ASC_SCSI_Q at addr 0x%lx\n", (ulong)q);

	printk
	    (" target_ix 0x%x, target_lun %u, srb_tag 0x%x, tag_code 0x%x,\n",
	     q->q2.target_ix, q->q1.target_lun, q->q2.srb_tag,
	     q->q2.tag_code);

	printk
	    (" data_addr 0x%lx, data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
	     (ulong)le32_to_cpu(q->q1.data_addr),
	     (ulong)le32_to_cpu(q->q1.data_cnt),
	     (ulong)le32_to_cpu(q->q1.sense_addr), q->q1.sense_len);

	printk(" cdbptr 0x%lx, cdb_len %u, sg_head 0x%lx, sg_queue_cnt %u\n",
	       (ulong)q->cdbptr, q->q2.cdb_len,
	       (ulong)q->sg_head, q->q1.sg_queue_cnt);

	if (q->sg_head) {
		sgp = q->sg_head;
		printk("ASC_SG_HEAD at addr 0x%lx\n", (ulong)sgp);
		printk(" entry_cnt %u, queue_cnt %u\n", sgp->entry_cnt,
		       sgp->queue_cnt);
		for (i = 0; i < sgp->entry_cnt; i++) {
			printk(" [%u]: addr 0x%lx, bytes %lu\n",
			       i, (ulong)le32_to_cpu(sgp->sg_list[i].addr),
			       (ulong)le32_to_cpu(sgp->sg_list[i].bytes));
		}

	}
}

/*
 * asc_prt_asc_qdone_info()
 */
static void asc_prt_asc_qdone_info(ASC_QDONE_INFO *q)
{
	printk("ASC_QDONE_INFO at addr 0x%lx\n", (ulong)q);
	printk(" srb_tag 0x%x, target_ix %u, cdb_len %u, tag_code %u,\n",
	       q->d2.srb_tag, q->d2.target_ix, q->d2.cdb_len,
	       q->d2.tag_code);
	printk
	    (" done_stat 0x%x, host_stat 0x%x, scsi_stat 0x%x, scsi_msg 0x%x\n",
	     q->d3.done_stat, q->d3.host_stat, q->d3.scsi_stat, q->d3.scsi_msg);
}

/*
 * asc_prt_adv_sgblock()
 *
 * Display an ADV_SG_BLOCK structure.
 */
static void asc_prt_adv_sgblock(int sgblockno, ADV_SG_BLOCK *b)
{
	int i;

	printk(" ADV_SG_BLOCK at addr 0x%lx (sgblockno %d)\n",
	       (ulong)b, sgblockno);
	printk("  sg_cnt %u, sg_ptr 0x%x\n",
	       b->sg_cnt, (u32)le32_to_cpu(b->sg_ptr));
	BUG_ON(b->sg_cnt > NO_OF_SG_PER_BLOCK);
	if (b->sg_ptr != 0)
		BUG_ON(b->sg_cnt != NO_OF_SG_PER_BLOCK);
	for (i = 0; i < b->sg_cnt; i++) {
		printk("  [%u]: sg_addr 0x%x, sg_count 0x%x\n",
		       i, (u32)le32_to_cpu(b->sg_list[i].sg_addr),
		       (u32)le32_to_cpu(b->sg_list[i].sg_count));
	}
}

/*
 * asc_prt_adv_scsi_req_q()
 *
 * Display an ADV_SCSI_REQ_Q structure.
 */
static void asc_prt_adv_scsi_req_q(ADV_SCSI_REQ_Q *q)
{
	int sg_blk_cnt;
	struct adv_sg_block *sg_ptr;
	adv_sgblk_t *sgblkp;

	printk("ADV_SCSI_REQ_Q at addr 0x%lx\n", (ulong)q);

	printk("  target_id %u, target_lun %u, srb_tag 0x%x\n",
	       q->target_id, q->target_lun, q->srb_tag);

	printk("  cntl 0x%x, data_addr 0x%lx\n",
	       q->cntl, (ulong)le32_to_cpu(q->data_addr));

	printk("  data_cnt %lu, sense_addr 0x%lx, sense_len %u,\n",
	       (ulong)le32_to_cpu(q->data_cnt),
	       (ulong)le32_to_cpu(q->sense_addr), q->sense_len);

	printk
	    ("  cdb_len %u, done_status 0x%x, host_status 0x%x, scsi_status 0x%x\n",
	     q->cdb_len, q->done_status, q->host_status, q->scsi_status);

	printk("  sg_working_ix 0x%x, target_cmd %u\n",
	       q->sg_working_ix, q->target_cmd);

	printk("  scsiq_rptr 0x%lx, sg_real_addr 0x%lx, sg_list_ptr 0x%lx\n",
	       (ulong)le32_to_cpu(q->scsiq_rptr),
	       (ulong)le32_to_cpu(q->sg_real_addr), (ulong)q->sg_list_ptr);

	/* Display the request's ADV_SG_BLOCK structures. */
	if (q->sg_list_ptr != NULL) {
		sgblkp = container_of(q->sg_list_ptr, adv_sgblk_t, sg_block);
		sg_blk_cnt = 0;
		while (sgblkp) {
			sg_ptr = &sgblkp->sg_block;
			asc_prt_adv_sgblock(sg_blk_cnt, sg_ptr);
			if (sg_ptr->sg_ptr == 0) {
				break;
			}
			sgblkp = sgblkp->next_sgblkp;
			sg_blk_cnt++;
		}
	}
}
#endif /* ADVANSYS_DEBUG */

/*
 * advansys_info()
 *
 * Return suitable for printing on the console with the argument
 * adapter's configuration information.
 *
 * Note: The information line should not exceed ASC_INFO_SIZE bytes,
 * otherwise the static 'info' array will be overrun.
 */
static const char *advansys_info(struct Scsi_Host *shost)
{
	static char info[ASC_INFO_SIZE];
	struct asc_board *boardp = shost_priv(shost);
	ASC_DVC_VAR *asc_dvc_varp;
	ADV_DVC_VAR *adv_dvc_varp;
	char *busname;
	char *widename = NULL;

	if (ASC_NARROW_BOARD(boardp)) {
		asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
		ASC_DBG(1, "begin\n");
		if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
			if ((asc_dvc_varp->bus_type & ASC_IS_ISAPNP) ==
			    ASC_IS_ISAPNP) {
				busname = "ISA PnP";
			} else {
				busname = "ISA";
			}
			sprintf(info,
				"AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X, DMA 0x%X",
				ASC_VERSION, busname,
				(ulong)shost->io_port,
				(ulong)shost->io_port + ASC_IOADR_GAP - 1,
				boardp->irq, shost->dma_channel);
		} else {
			if (asc_dvc_varp->bus_type & ASC_IS_VL) {
				busname = "VL";
			} else if (asc_dvc_varp->bus_type & ASC_IS_EISA) {
				busname = "EISA";
			} else if (asc_dvc_varp->bus_type & ASC_IS_PCI) {
				if ((asc_dvc_varp->bus_type & ASC_IS_PCI_ULTRA)
				    == ASC_IS_PCI_ULTRA) {
					busname = "PCI Ultra";
				} else {
					busname = "PCI";
				}
			} else {
				busname = "?";
				shost_printk(KERN_ERR, shost, "unknown bus "
					"type %d\n", asc_dvc_varp->bus_type);
			}
			sprintf(info,
				"AdvanSys SCSI %s: %s: IO 0x%lX-0x%lX, IRQ 0x%X",
				ASC_VERSION, busname, (ulong)shost->io_port,
				(ulong)shost->io_port + ASC_IOADR_GAP - 1,
				boardp->irq);
		}
	} else {
		/*
		 * Wide Adapter Information
		 *
		 * Memory-mapped I/O is used instead of I/O space to access
		 * the adapter, but display the I/O Port range. The Memory
		 * I/O address is displayed through the driver /proc file.
		 */
		adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
		if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
			widename = "Ultra-Wide";
		} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
			widename = "Ultra2-Wide";
		} else {
			widename = "Ultra3-Wide";
		}
		sprintf(info,
			"AdvanSys SCSI %s: PCI %s: PCIMEM 0x%lX-0x%lX, IRQ 0x%X",
			ASC_VERSION, widename, (ulong)adv_dvc_varp->iop_base,
			(ulong)adv_dvc_varp->iop_base + boardp->asc_n_io_port - 1, boardp->irq);
	}
	BUG_ON(strlen(info) >= ASC_INFO_SIZE);
	ASC_DBG(1, "end\n");
	return info;
}

#ifdef CONFIG_PROC_FS

/*
 * asc_prt_board_devices()
 *
 * Print driver information for devices attached to the board.
 */
static void asc_prt_board_devices(struct seq_file *m, struct Scsi_Host *shost)
{
	struct asc_board *boardp = shost_priv(shost);
	int chip_scsi_id;
	int i;

	seq_printf(m,
		   "\nDevice Information for AdvanSys SCSI Host %d:\n",
		   shost->host_no);

	if (ASC_NARROW_BOARD(boardp)) {
		chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
	} else {
		chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
	}

	seq_puts(m, "Target IDs Detected:");
	for (i = 0; i <= ADV_MAX_TID; i++) {
		if (boardp->init_tidmask & ADV_TID_TO_TIDMASK(i))
			seq_printf(m, " %X,", i);
	}
	seq_printf(m, " (%X=Host Adapter)\n", chip_scsi_id);
}

/*
 * Display Wide Board BIOS Information.
 */
static void asc_prt_adv_bios(struct seq_file *m, struct Scsi_Host *shost)
{
	struct asc_board *boardp = shost_priv(shost);
	ushort major, minor, letter;

	seq_puts(m, "\nROM BIOS Version: ");

	/*
	 * If the BIOS saved a valid signature, then fill in
	 * the BIOS code segment base address.
	 */
	if (boardp->bios_signature != 0x55AA) {
		seq_puts(m, "Disabled or Pre-3.1\n"
			"BIOS either disabled or Pre-3.1. If it is pre-3.1, then a newer version\n"
			"can be found at the ConnectCom FTP site: ftp://ftp.connectcom.net/pub\n");
	} else {
		major = (boardp->bios_version >> 12) & 0xF;
		minor = (boardp->bios_version >> 8) & 0xF;
		letter = (boardp->bios_version & 0xFF);

		seq_printf(m, "%d.%d%c\n",
				   major, minor,
				   letter >= 26 ? '?' : letter + 'A');
		/*
		 * Current available ROM BIOS release is 3.1I for UW
		 * and 3.2I for U2W. This code doesn't differentiate
		 * UW and U2W boards.
		 */
		if (major < 3 || (major <= 3 && minor < 1) ||
		    (major <= 3 && minor <= 1 && letter < ('I' - 'A'))) {
			seq_puts(m, "Newer version of ROM BIOS is available at the ConnectCom FTP site:\n"
				"ftp://ftp.connectcom.net/pub\n");
		}
	}
}

/*
 * Add serial number to information bar if signature AAh
 * is found in at bit 15-9 (7 bits) of word 1.
 *
 * Serial Number consists fo 12 alpha-numeric digits.
 *
 *       1 - Product type (A,B,C,D..)  Word0: 15-13 (3 bits)
 *       2 - MFG Location (A,B,C,D..)  Word0: 12-10 (3 bits)
 *     3-4 - Product ID (0-99)         Word0: 9-0 (10 bits)
 *       5 - Product revision (A-J)    Word0:  "         "
 *
 *           Signature                 Word1: 15-9 (7 bits)
 *       6 - Year (0-9)                Word1: 8-6 (3 bits) & Word2: 15 (1 bit)
 *     7-8 - Week of the year (1-52)   Word1: 5-0 (6 bits)
 *
 *    9-12 - Serial Number (A001-Z999) Word2: 14-0 (15 bits)
 *
 * Note 1: Only production cards will have a serial number.
 *
 * Note 2: Signature is most significant 7 bits (0xFE).
 *
 * Returns ASC_TRUE if serial number found, otherwise returns ASC_FALSE.
 */
static int asc_get_eeprom_string(ushort *serialnum, uchar *cp)
{
	ushort w, num;

	if ((serialnum[1] & 0xFE00) != ((ushort)0xAA << 8)) {
		return ASC_FALSE;
	} else {
		/*
		 * First word - 6 digits.
		 */
		w = serialnum[0];

		/* Product type - 1st digit. */
		if ((*cp = 'A' + ((w & 0xE000) >> 13)) == 'H') {
			/* Product type is P=Prototype */
			*cp += 0x8;
		}
		cp++;

		/* Manufacturing location - 2nd digit. */
		*cp++ = 'A' + ((w & 0x1C00) >> 10);

		/* Product ID - 3rd, 4th digits. */
		num = w & 0x3FF;
		*cp++ = '0' + (num / 100);
		num %= 100;
		*cp++ = '0' + (num / 10);

		/* Product revision - 5th digit. */
		*cp++ = 'A' + (num % 10);

		/*
		 * Second word
		 */
		w = serialnum[1];

		/*
		 * Year - 6th digit.
		 *
		 * If bit 15 of third word is set, then the
		 * last digit of the year is greater than 7.
		 */
		if (serialnum[2] & 0x8000) {
			*cp++ = '8' + ((w & 0x1C0) >> 6);
		} else {
			*cp++ = '0' + ((w & 0x1C0) >> 6);
		}

		/* Week of year - 7th, 8th digits. */
		num = w & 0x003F;
		*cp++ = '0' + num / 10;
		num %= 10;
		*cp++ = '0' + num;

		/*
		 * Third word
		 */
		w = serialnum[2] & 0x7FFF;

		/* Serial number - 9th digit. */
		*cp++ = 'A' + (w / 1000);

		/* 10th, 11th, 12th digits. */
		num = w % 1000;
		*cp++ = '0' + num / 100;
		num %= 100;
		*cp++ = '0' + num / 10;
		num %= 10;
		*cp++ = '0' + num;

		*cp = '\0';	/* Null Terminate the string. */
		return ASC_TRUE;
	}
}

/*
 * asc_prt_asc_board_eeprom()
 *
 * Print board EEPROM configuration.
 */
static void asc_prt_asc_board_eeprom(struct seq_file *m, struct Scsi_Host *shost)
{
	struct asc_board *boardp = shost_priv(shost);
	ASC_DVC_VAR *asc_dvc_varp;
	ASCEEP_CONFIG *ep;
	int i;
#ifdef CONFIG_ISA
	int isa_dma_speed[] = { 10, 8, 7, 6, 5, 4, 3, 2 };
#endif /* CONFIG_ISA */
	uchar serialstr[13];

	asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
	ep = &boardp->eep_config.asc_eep;

	seq_printf(m,
		   "\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
		   shost->host_no);

	if (asc_get_eeprom_string((ushort *)&ep->adapter_info[0], serialstr)
	    == ASC_TRUE)
		seq_printf(m, " Serial Number: %s\n", serialstr);
	else if (ep->adapter_info[5] == 0xBB)
		seq_puts(m,
			 " Default Settings Used for EEPROM-less Adapter.\n");
	else
		seq_puts(m, " Serial Number Signature Not Present.\n");

	seq_printf(m,
		   " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
		   ASC_EEP_GET_CHIP_ID(ep), ep->max_total_qng,
		   ep->max_tag_qng);

	seq_printf(m,
		   " cntl 0x%x, no_scam 0x%x\n", ep->cntl, ep->no_scam);

	seq_puts(m, " Target ID:           ");
	for (i = 0; i <= ASC_MAX_TID; i++)
		seq_printf(m, " %d", i);

	seq_puts(m, "\n Disconnects:         ");
	for (i = 0; i <= ASC_MAX_TID; i++)
		seq_printf(m, " %c",
			   (ep->disc_enable & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');

	seq_puts(m, "\n Command Queuing:     ");
	for (i = 0; i <= ASC_MAX_TID; i++)
		seq_printf(m, " %c",
			   (ep->use_cmd_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');

	seq_puts(m, "\n Start Motor:         ");
	for (i = 0; i <= ASC_MAX_TID; i++)
		seq_printf(m, " %c",
			   (ep->start_motor & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');

	seq_puts(m, "\n Synchronous Transfer:");
	for (i = 0; i <= ASC_MAX_TID; i++)
		seq_printf(m, " %c",
			   (ep->init_sdtr & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	seq_putc(m, '\n');

#ifdef CONFIG_ISA
	if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
		seq_printf(m,
			   " Host ISA DMA speed:   %d MB/S\n",
			   isa_dma_speed[ASC_EEP_GET_DMA_SPD(ep)]);
	}
#endif /* CONFIG_ISA */
}

/*
 * asc_prt_adv_board_eeprom()
 *
 * Print board EEPROM configuration.
 */
static void asc_prt_adv_board_eeprom(struct seq_file *m, struct Scsi_Host *shost)
{
	struct asc_board *boardp = shost_priv(shost);
	ADV_DVC_VAR *adv_dvc_varp;
	int i;
	char *termstr;
	uchar serialstr[13];
	ADVEEP_3550_CONFIG *ep_3550 = NULL;
	ADVEEP_38C0800_CONFIG *ep_38C0800 = NULL;
	ADVEEP_38C1600_CONFIG *ep_38C1600 = NULL;
	ushort word;
	ushort *wordp;
	ushort sdtr_speed = 0;

	adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
		ep_3550 = &boardp->eep_config.adv_3550_eep;
	} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
		ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;
	} else {
		ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;
	}

	seq_printf(m,
		   "\nEEPROM Settings for AdvanSys SCSI Host %d:\n",
		   shost->host_no);

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
		wordp = &ep_3550->serial_number_word1;
	} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
		wordp = &ep_38C0800->serial_number_word1;
	} else {
		wordp = &ep_38C1600->serial_number_word1;
	}

	if (asc_get_eeprom_string(wordp, serialstr) == ASC_TRUE)
		seq_printf(m, " Serial Number: %s\n", serialstr);
	else
		seq_puts(m, " Serial Number Signature Not Present.\n");

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
		seq_printf(m,
			   " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
			   ep_3550->adapter_scsi_id,
			   ep_3550->max_host_qng, ep_3550->max_dvc_qng);
	else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
		seq_printf(m,
			   " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
			   ep_38C0800->adapter_scsi_id,
			   ep_38C0800->max_host_qng,
			   ep_38C0800->max_dvc_qng);
	else
		seq_printf(m,
			   " Host SCSI ID: %u, Host Queue Size: %u, Device Queue Size: %u\n",
			   ep_38C1600->adapter_scsi_id,
			   ep_38C1600->max_host_qng,
			   ep_38C1600->max_dvc_qng);
	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
		word = ep_3550->termination;
	} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
		word = ep_38C0800->termination_lvd;
	} else {
		word = ep_38C1600->termination_lvd;
	}
	switch (word) {
	case 1:
		termstr = "Low Off/High Off";
		break;
	case 2:
		termstr = "Low Off/High On";
		break;
	case 3:
		termstr = "Low On/High On";
		break;
	default:
	case 0:
		termstr = "Automatic";
		break;
	}

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550)
		seq_printf(m,
			   " termination: %u (%s), bios_ctrl: 0x%x\n",
			   ep_3550->termination, termstr,
			   ep_3550->bios_ctrl);
	else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800)
		seq_printf(m,
			   " termination: %u (%s), bios_ctrl: 0x%x\n",
			   ep_38C0800->termination_lvd, termstr,
			   ep_38C0800->bios_ctrl);
	else
		seq_printf(m,
			   " termination: %u (%s), bios_ctrl: 0x%x\n",
			   ep_38C1600->termination_lvd, termstr,
			   ep_38C1600->bios_ctrl);

	seq_puts(m, " Target ID:           ");
	for (i = 0; i <= ADV_MAX_TID; i++)
		seq_printf(m, " %X", i);
	seq_putc(m, '\n');

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
		word = ep_3550->disc_enable;
	} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
		word = ep_38C0800->disc_enable;
	} else {
		word = ep_38C1600->disc_enable;
	}
	seq_puts(m, " Disconnects:         ");
	for (i = 0; i <= ADV_MAX_TID; i++)
		seq_printf(m, " %c",
			   (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	seq_putc(m, '\n');

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
		word = ep_3550->tagqng_able;
	} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
		word = ep_38C0800->tagqng_able;
	} else {
		word = ep_38C1600->tagqng_able;
	}
	seq_puts(m, " Command Queuing:     ");
	for (i = 0; i <= ADV_MAX_TID; i++)
		seq_printf(m, " %c",
			   (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	seq_putc(m, '\n');

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
		word = ep_3550->start_motor;
	} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
		word = ep_38C0800->start_motor;
	} else {
		word = ep_38C1600->start_motor;
	}
	seq_puts(m, " Start Motor:         ");
	for (i = 0; i <= ADV_MAX_TID; i++)
		seq_printf(m, " %c",
			   (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	seq_putc(m, '\n');

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
		seq_puts(m, " Synchronous Transfer:");
		for (i = 0; i <= ADV_MAX_TID; i++)
			seq_printf(m, " %c",
				   (ep_3550->sdtr_able & ADV_TID_TO_TIDMASK(i)) ?
				   'Y' : 'N');
		seq_putc(m, '\n');
	}

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
		seq_puts(m, " Ultra Transfer:      ");
		for (i = 0; i <= ADV_MAX_TID; i++)
			seq_printf(m, " %c",
				   (ep_3550->ultra_able & ADV_TID_TO_TIDMASK(i))
				   ? 'Y' : 'N');
		seq_putc(m, '\n');
	}

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
		word = ep_3550->wdtr_able;
	} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
		word = ep_38C0800->wdtr_able;
	} else {
		word = ep_38C1600->wdtr_able;
	}
	seq_puts(m, " Wide Transfer:       ");
	for (i = 0; i <= ADV_MAX_TID; i++)
		seq_printf(m, " %c",
			   (word & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	seq_putc(m, '\n');

	if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800 ||
	    adv_dvc_varp->chip_type == ADV_CHIP_ASC38C1600) {
		seq_puts(m, " Synchronous Transfer Speed (Mhz):\n  ");
		for (i = 0; i <= ADV_MAX_TID; i++) {
			char *speed_str;

			if (i == 0) {
				sdtr_speed = adv_dvc_varp->sdtr_speed1;
			} else if (i == 4) {
				sdtr_speed = adv_dvc_varp->sdtr_speed2;
			} else if (i == 8) {
				sdtr_speed = adv_dvc_varp->sdtr_speed3;
			} else if (i == 12) {
				sdtr_speed = adv_dvc_varp->sdtr_speed4;
			}
			switch (sdtr_speed & ADV_MAX_TID) {
			case 0:
				speed_str = "Off";
				break;
			case 1:
				speed_str = "  5";
				break;
			case 2:
				speed_str = " 10";
				break;
			case 3:
				speed_str = " 20";
				break;
			case 4:
				speed_str = " 40";
				break;
			case 5:
				speed_str = " 80";
				break;
			default:
				speed_str = "Unk";
				break;
			}
			seq_printf(m, "%X:%s ", i, speed_str);
			if (i == 7)
				seq_puts(m, "\n  ");
			sdtr_speed >>= 4;
		}
		seq_putc(m, '\n');
	}
}

/*
 * asc_prt_driver_conf()
 */
static void asc_prt_driver_conf(struct seq_file *m, struct Scsi_Host *shost)
{
	struct asc_board *boardp = shost_priv(shost);
	int chip_scsi_id;

	seq_printf(m,
		"\nLinux Driver Configuration and Information for AdvanSys SCSI Host %d:\n",
		shost->host_no);

	seq_printf(m,
		   " host_busy %d, max_id %u, max_lun %llu, max_channel %u\n",
		   scsi_host_busy(shost), shost->max_id,
		   shost->max_lun, shost->max_channel);

	seq_printf(m,
		   " unique_id %d, can_queue %d, this_id %d, sg_tablesize %u, cmd_per_lun %u\n",
		   shost->unique_id, shost->can_queue, shost->this_id,
		   shost->sg_tablesize, shost->cmd_per_lun);

	seq_printf(m,
		   " unchecked_isa_dma %d, use_clustering %d\n",
		   shost->unchecked_isa_dma, shost->use_clustering);

	seq_printf(m,
		   " flags 0x%x, last_reset 0x%lx, jiffies 0x%lx, asc_n_io_port 0x%x\n",
		   boardp->flags, shost->last_reset, jiffies,
		   boardp->asc_n_io_port);

	seq_printf(m, " io_port 0x%lx\n", shost->io_port);

	if (ASC_NARROW_BOARD(boardp)) {
		chip_scsi_id = boardp->dvc_cfg.asc_dvc_cfg.chip_scsi_id;
	} else {
		chip_scsi_id = boardp->dvc_var.adv_dvc_var.chip_scsi_id;
	}
}

/*
 * asc_prt_asc_board_info()
 *
 * Print dynamic board configuration information.
 */
static void asc_prt_asc_board_info(struct seq_file *m, struct Scsi_Host *shost)
{
	struct asc_board *boardp = shost_priv(shost);
	int chip_scsi_id;
	ASC_DVC_VAR *v;
	ASC_DVC_CFG *c;
	int i;
	int renegotiate = 0;

	v = &boardp->dvc_var.asc_dvc_var;
	c = &boardp->dvc_cfg.asc_dvc_cfg;
	chip_scsi_id = c->chip_scsi_id;

	seq_printf(m,
		   "\nAsc Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
		   shost->host_no);

	seq_printf(m, " chip_version %u, mcode_date 0x%x, "
		   "mcode_version 0x%x, err_code %u\n",
		   c->chip_version, c->mcode_date, c->mcode_version,
		   v->err_code);

	/* Current number of commands waiting for the host. */
	seq_printf(m,
		   " Total Command Pending: %d\n", v->cur_total_qng);

	seq_puts(m, " Command Queuing:");
	for (i = 0; i <= ASC_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}
		seq_printf(m, " %X:%c",
			   i,
			   (v->use_tagged_qng & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	}

	/* Current number of commands waiting for a device. */
	seq_puts(m, "\n Command Queue Pending:");
	for (i = 0; i <= ASC_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}
		seq_printf(m, " %X:%u", i, v->cur_dvc_qng[i]);
	}

	/* Current limit on number of commands that can be sent to a device. */
	seq_puts(m, "\n Command Queue Limit:");
	for (i = 0; i <= ASC_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}
		seq_printf(m, " %X:%u", i, v->max_dvc_qng[i]);
	}

	/* Indicate whether the device has returned queue full status. */
	seq_puts(m, "\n Command Queue Full:");
	for (i = 0; i <= ASC_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}
		if (boardp->queue_full & ADV_TID_TO_TIDMASK(i))
			seq_printf(m, " %X:Y-%d",
				   i, boardp->queue_full_cnt[i]);
		else
			seq_printf(m, " %X:N", i);
	}

	seq_puts(m, "\n Synchronous Transfer:");
	for (i = 0; i <= ASC_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}
		seq_printf(m, " %X:%c",
			   i,
			   (v->sdtr_done & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	}
	seq_putc(m, '\n');

	for (i = 0; i <= ASC_MAX_TID; i++) {
		uchar syn_period_ix;

		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
		    ((v->init_sdtr & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}

		seq_printf(m, "  %X:", i);

		if ((boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET) == 0) {
			seq_puts(m, " Asynchronous");
		} else {
			syn_period_ix =
			    (boardp->sdtr_data[i] >> 4) & (v->max_sdtr_index -
							   1);

			seq_printf(m,
				   " Transfer Period Factor: %d (%d.%d Mhz),",
				   v->sdtr_period_tbl[syn_period_ix],
				   250 / v->sdtr_period_tbl[syn_period_ix],
				   ASC_TENTHS(250,
					      v->sdtr_period_tbl[syn_period_ix]));

			seq_printf(m, " REQ/ACK Offset: %d",
				   boardp->sdtr_data[i] & ASC_SYN_MAX_OFFSET);
		}

		if ((v->sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
			seq_puts(m, "*\n");
			renegotiate = 1;
		} else {
			seq_putc(m, '\n');
		}
	}

	if (renegotiate) {
		seq_puts(m, " * = Re-negotiation pending before next command.\n");
	}
}

/*
 * asc_prt_adv_board_info()
 *
 * Print dynamic board configuration information.
 */
static void asc_prt_adv_board_info(struct seq_file *m, struct Scsi_Host *shost)
{
	struct asc_board *boardp = shost_priv(shost);
	int i;
	ADV_DVC_VAR *v;
	ADV_DVC_CFG *c;
	AdvPortAddr iop_base;
	ushort chip_scsi_id;
	ushort lramword;
	uchar lrambyte;
	ushort tagqng_able;
	ushort sdtr_able, wdtr_able;
	ushort wdtr_done, sdtr_done;
	ushort period = 0;
	int renegotiate = 0;

	v = &boardp->dvc_var.adv_dvc_var;
	c = &boardp->dvc_cfg.adv_dvc_cfg;
	iop_base = v->iop_base;
	chip_scsi_id = v->chip_scsi_id;

	seq_printf(m,
		   "\nAdv Library Configuration and Statistics for AdvanSys SCSI Host %d:\n",
		   shost->host_no);

	seq_printf(m,
		   " iop_base 0x%lx, cable_detect: %X, err_code %u\n",
		   (unsigned long)v->iop_base,
		   AdvReadWordRegister(iop_base,IOPW_SCSI_CFG1) & CABLE_DETECT,
		   v->err_code);

	seq_printf(m, " chip_version %u, mcode_date 0x%x, "
		   "mcode_version 0x%x\n", c->chip_version,
		   c->mcode_date, c->mcode_version);

	AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
	seq_puts(m, " Queuing Enabled:");
	for (i = 0; i <= ADV_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}

		seq_printf(m, " %X:%c",
			   i,
			   (tagqng_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	}

	seq_puts(m, "\n Queue Limit:");
	for (i = 0; i <= ADV_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}

		AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + i,
				lrambyte);

		seq_printf(m, " %X:%d", i, lrambyte);
	}

	seq_puts(m, "\n Command Pending:");
	for (i = 0; i <= ADV_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}

		AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_QUEUED_CMD + i,
				lrambyte);

		seq_printf(m, " %X:%d", i, lrambyte);
	}
	seq_putc(m, '\n');

	AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
	seq_puts(m, " Wide Enabled:");
	for (i = 0; i <= ADV_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}

		seq_printf(m, " %X:%c",
			   i,
			   (wdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	}
	seq_putc(m, '\n');

	AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, wdtr_done);
	seq_puts(m, " Transfer Bit Width:");
	for (i = 0; i <= ADV_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}

		AdvReadWordLram(iop_base,
				ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
				lramword);

		seq_printf(m, " %X:%d",
			   i, (lramword & 0x8000) ? 16 : 8);

		if ((wdtr_able & ADV_TID_TO_TIDMASK(i)) &&
		    (wdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
			seq_putc(m, '*');
			renegotiate = 1;
		}
	}
	seq_putc(m, '\n');

	AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
	seq_puts(m, " Synchronous Enabled:");
	for (i = 0; i <= ADV_MAX_TID; i++) {
		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}

		seq_printf(m, " %X:%c",
			   i,
			   (sdtr_able & ADV_TID_TO_TIDMASK(i)) ? 'Y' : 'N');
	}
	seq_putc(m, '\n');

	AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, sdtr_done);
	for (i = 0; i <= ADV_MAX_TID; i++) {

		AdvReadWordLram(iop_base,
				ASC_MC_DEVICE_HSHK_CFG_TABLE + (2 * i),
				lramword);
		lramword &= ~0x8000;

		if ((chip_scsi_id == i) ||
		    ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(i)) == 0) ||
		    ((sdtr_able & ADV_TID_TO_TIDMASK(i)) == 0)) {
			continue;
		}

		seq_printf(m, "  %X:", i);

		if ((lramword & 0x1F) == 0) {	/* Check for REQ/ACK Offset 0. */
			seq_puts(m, " Asynchronous");
		} else {
			seq_puts(m, " Transfer Period Factor: ");

			if ((lramword & 0x1F00) == 0x1100) {	/* 80 Mhz */
				seq_puts(m, "9 (80.0 Mhz),");
			} else if ((lramword & 0x1F00) == 0x1000) {	/* 40 Mhz */
				seq_puts(m, "10 (40.0 Mhz),");
			} else {	/* 20 Mhz or below. */

				period = (((lramword >> 8) * 25) + 50) / 4;

				if (period == 0) {	/* Should never happen. */
					seq_printf(m, "%d (? Mhz), ", period);
				} else {
					seq_printf(m,
						   "%d (%d.%d Mhz),",
						   period, 250 / period,
						   ASC_TENTHS(250, period));
				}
			}

			seq_printf(m, " REQ/ACK Offset: %d",
				   lramword & 0x1F);
		}

		if ((sdtr_done & ADV_TID_TO_TIDMASK(i)) == 0) {
			seq_puts(m, "*\n");
			renegotiate = 1;
		} else {
			seq_putc(m, '\n');
		}
	}

	if (renegotiate) {
		seq_puts(m, " * = Re-negotiation pending before next command.\n");
	}
}

#ifdef ADVANSYS_STATS
/*
 * asc_prt_board_stats()
 */
static void asc_prt_board_stats(struct seq_file *m, struct Scsi_Host *shost)
{
	struct asc_board *boardp = shost_priv(shost);
	struct asc_stats *s = &boardp->asc_stats;

	seq_printf(m,
		   "\nLinux Driver Statistics for AdvanSys SCSI Host %d:\n",
		   shost->host_no);

	seq_printf(m,
		   " queuecommand %u, reset %u, biosparam %u, interrupt %u\n",
		   s->queuecommand, s->reset, s->biosparam,
		   s->interrupt);

	seq_printf(m,
		   " callback %u, done %u, build_error %u, build_noreq %u, build_nosg %u\n",
		   s->callback, s->done, s->build_error,
		   s->adv_build_noreq, s->adv_build_nosg);

	seq_printf(m,
		   " exe_noerror %u, exe_busy %u, exe_error %u, exe_unknown %u\n",
		   s->exe_noerror, s->exe_busy, s->exe_error,
		   s->exe_unknown);

	/*
	 * Display data transfer statistics.
	 */
	if (s->xfer_cnt > 0) {
		seq_printf(m, " xfer_cnt %u, xfer_elem %u, ",
			   s->xfer_cnt, s->xfer_elem);

		seq_printf(m, "xfer_bytes %u.%01u kb\n",
			   s->xfer_sect / 2, ASC_TENTHS(s->xfer_sect, 2));

		/* Scatter gather transfer statistics */
		seq_printf(m, " avg_num_elem %u.%01u, ",
			   s->xfer_elem / s->xfer_cnt,
			   ASC_TENTHS(s->xfer_elem, s->xfer_cnt));

		seq_printf(m, "avg_elem_size %u.%01u kb, ",
			   (s->xfer_sect / 2) / s->xfer_elem,
			   ASC_TENTHS((s->xfer_sect / 2), s->xfer_elem));

		seq_printf(m, "avg_xfer_size %u.%01u kb\n",
			   (s->xfer_sect / 2) / s->xfer_cnt,
			   ASC_TENTHS((s->xfer_sect / 2), s->xfer_cnt));
	}
}
#endif /* ADVANSYS_STATS */

/*
 * advansys_show_info() - /proc/scsi/advansys/{0,1,2,3,...}
 *
 * m: seq_file to print into
 * shost: Scsi_Host
 *
 * Return the number of bytes read from or written to a
 * /proc/scsi/advansys/[0...] file.
 */
static int
advansys_show_info(struct seq_file *m, struct Scsi_Host *shost)
{
	struct asc_board *boardp = shost_priv(shost);

	ASC_DBG(1, "begin\n");

	/*
	 * User read of /proc/scsi/advansys/[0...] file.
	 */

	/*
	 * Get board configuration information.
	 *
	 * advansys_info() returns the board string from its own static buffer.
	 */
	/* Copy board information. */
	seq_printf(m, "%s\n", (char *)advansys_info(shost));
	/*
	 * Display Wide Board BIOS Information.
	 */
	if (!ASC_NARROW_BOARD(boardp))
		asc_prt_adv_bios(m, shost);

	/*
	 * Display driver information for each device attached to the board.
	 */
	asc_prt_board_devices(m, shost);

	/*
	 * Display EEPROM configuration for the board.
	 */
	if (ASC_NARROW_BOARD(boardp))
		asc_prt_asc_board_eeprom(m, shost);
	else
		asc_prt_adv_board_eeprom(m, shost);

	/*
	 * Display driver configuration and information for the board.
	 */
	asc_prt_driver_conf(m, shost);

#ifdef ADVANSYS_STATS
	/*
	 * Display driver statistics for the board.
	 */
	asc_prt_board_stats(m, shost);
#endif /* ADVANSYS_STATS */

	/*
	 * Display Asc Library dynamic configuration information
	 * for the board.
	 */
	if (ASC_NARROW_BOARD(boardp))
		asc_prt_asc_board_info(m, shost);
	else
		asc_prt_adv_board_info(m, shost);
	return 0;
}
#endif /* CONFIG_PROC_FS */

static void asc_scsi_done(struct scsi_cmnd *scp)
{
	scsi_dma_unmap(scp);
	ASC_STATS(scp->device->host, done);
	scp->scsi_done(scp);
}

static void AscSetBank(PortAddr iop_base, uchar bank)
{
	uchar val;

	val = AscGetChipControl(iop_base) &
	    (~
	     (CC_SINGLE_STEP | CC_TEST | CC_DIAG | CC_SCSI_RESET |
	      CC_CHIP_RESET));
	if (bank == 1) {
		val |= CC_BANK_ONE;
	} else if (bank == 2) {
		val |= CC_DIAG | CC_BANK_ONE;
	} else {
		val &= ~CC_BANK_ONE;
	}
	AscSetChipControl(iop_base, val);
}

static void AscSetChipIH(PortAddr iop_base, ushort ins_code)
{
	AscSetBank(iop_base, 1);
	AscWriteChipIH(iop_base, ins_code);
	AscSetBank(iop_base, 0);
}

static int AscStartChip(PortAddr iop_base)
{
	AscSetChipControl(iop_base, 0);
	if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
		return (0);
	}
	return (1);
}

static bool AscStopChip(PortAddr iop_base)
{
	uchar cc_val;

	cc_val =
	    AscGetChipControl(iop_base) &
	    (~(CC_SINGLE_STEP | CC_TEST | CC_DIAG));
	AscSetChipControl(iop_base, (uchar)(cc_val | CC_HALT));
	AscSetChipIH(iop_base, INS_HALT);
	AscSetChipIH(iop_base, INS_RFLAG_WTM);
	if ((AscGetChipStatus(iop_base) & CSW_HALTED) == 0) {
		return false;
	}
	return true;
}

static bool AscIsChipHalted(PortAddr iop_base)
{
	if ((AscGetChipStatus(iop_base) & CSW_HALTED) != 0) {
		if ((AscGetChipControl(iop_base) & CC_HALT) != 0) {
			return true;
		}
	}
	return false;
}

static bool AscResetChipAndScsiBus(ASC_DVC_VAR *asc_dvc)
{
	PortAddr iop_base;
	int i = 10;

	iop_base = asc_dvc->iop_base;
	while ((AscGetChipStatus(iop_base) & CSW_SCSI_RESET_ACTIVE)
	       && (i-- > 0)) {
		mdelay(100);
	}
	AscStopChip(iop_base);
	AscSetChipControl(iop_base, CC_CHIP_RESET | CC_SCSI_RESET | CC_HALT);
	udelay(60);
	AscSetChipIH(iop_base, INS_RFLAG_WTM);
	AscSetChipIH(iop_base, INS_HALT);
	AscSetChipControl(iop_base, CC_CHIP_RESET | CC_HALT);
	AscSetChipControl(iop_base, CC_HALT);
	mdelay(200);
	AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
	AscSetChipStatus(iop_base, 0);
	return (AscIsChipHalted(iop_base));
}

static int AscFindSignature(PortAddr iop_base)
{
	ushort sig_word;

	ASC_DBG(1, "AscGetChipSignatureByte(0x%x) 0x%x\n",
		 iop_base, AscGetChipSignatureByte(iop_base));
	if (AscGetChipSignatureByte(iop_base) == (uchar)ASC_1000_ID1B) {
		ASC_DBG(1, "AscGetChipSignatureWord(0x%x) 0x%x\n",
			 iop_base, AscGetChipSignatureWord(iop_base));
		sig_word = AscGetChipSignatureWord(iop_base);
		if ((sig_word == (ushort)ASC_1000_ID0W) ||
		    (sig_word == (ushort)ASC_1000_ID0W_FIX)) {
			return (1);
		}
	}
	return (0);
}

static void AscEnableInterrupt(PortAddr iop_base)
{
	ushort cfg;

	cfg = AscGetChipCfgLsw(iop_base);
	AscSetChipCfgLsw(iop_base, cfg | ASC_CFG0_HOST_INT_ON);
}

static void AscDisableInterrupt(PortAddr iop_base)
{
	ushort cfg;

	cfg = AscGetChipCfgLsw(iop_base);
	AscSetChipCfgLsw(iop_base, cfg & (~ASC_CFG0_HOST_INT_ON));
}

static uchar AscReadLramByte(PortAddr iop_base, ushort addr)
{
	unsigned char byte_data;
	unsigned short word_data;

	if (isodd_word(addr)) {
		AscSetChipLramAddr(iop_base, addr - 1);
		word_data = AscGetChipLramData(iop_base);
		byte_data = (word_data >> 8) & 0xFF;
	} else {
		AscSetChipLramAddr(iop_base, addr);
		word_data = AscGetChipLramData(iop_base);
		byte_data = word_data & 0xFF;
	}
	return byte_data;
}

static ushort AscReadLramWord(PortAddr iop_base, ushort addr)
{
	ushort word_data;

	AscSetChipLramAddr(iop_base, addr);
	word_data = AscGetChipLramData(iop_base);
	return (word_data);
}

static void
AscMemWordSetLram(PortAddr iop_base, ushort s_addr, ushort set_wval, int words)
{
	int i;

	AscSetChipLramAddr(iop_base, s_addr);
	for (i = 0; i < words; i++) {
		AscSetChipLramData(iop_base, set_wval);
	}
}

static void AscWriteLramWord(PortAddr iop_base, ushort addr, ushort word_val)
{
	AscSetChipLramAddr(iop_base, addr);
	AscSetChipLramData(iop_base, word_val);
}

static void AscWriteLramByte(PortAddr iop_base, ushort addr, uchar byte_val)
{
	ushort word_data;

	if (isodd_word(addr)) {
		addr--;
		word_data = AscReadLramWord(iop_base, addr);
		word_data &= 0x00FF;
		word_data |= (((ushort)byte_val << 8) & 0xFF00);
	} else {
		word_data = AscReadLramWord(iop_base, addr);
		word_data &= 0xFF00;
		word_data |= ((ushort)byte_val & 0x00FF);
	}
	AscWriteLramWord(iop_base, addr, word_data);
}

/*
 * Copy 2 bytes to LRAM.
 *
 * The source data is assumed to be in little-endian order in memory
 * and is maintained in little-endian order when written to LRAM.
 */
static void
AscMemWordCopyPtrToLram(PortAddr iop_base, ushort s_addr,
			const uchar *s_buffer, int words)
{
	int i;

	AscSetChipLramAddr(iop_base, s_addr);
	for (i = 0; i < 2 * words; i += 2) {
		/*
		 * On a little-endian system the second argument below
		 * produces a little-endian ushort which is written to
		 * LRAM in little-endian order. On a big-endian system
		 * the second argument produces a big-endian ushort which
		 * is "transparently" byte-swapped by outpw() and written
		 * in little-endian order to LRAM.
		 */
		outpw(iop_base + IOP_RAM_DATA,
		      ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]);
	}
}

/*
 * Copy 4 bytes to LRAM.
 *
 * The source data is assumed to be in little-endian order in memory
 * and is maintained in little-endian order when written to LRAM.
 */
static void
AscMemDWordCopyPtrToLram(PortAddr iop_base,
			 ushort s_addr, uchar *s_buffer, int dwords)
{
	int i;

	AscSetChipLramAddr(iop_base, s_addr);
	for (i = 0; i < 4 * dwords; i += 4) {
		outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 1] << 8) | s_buffer[i]);	/* LSW */
		outpw(iop_base + IOP_RAM_DATA, ((ushort)s_buffer[i + 3] << 8) | s_buffer[i + 2]);	/* MSW */
	}
}

/*
 * Copy 2 bytes from LRAM.
 *
 * The source data is assumed to be in little-endian order in LRAM
 * and is maintained in little-endian order when written to memory.
 */
static void
AscMemWordCopyPtrFromLram(PortAddr iop_base,
			  ushort s_addr, uchar *d_buffer, int words)
{
	int i;
	ushort word;

	AscSetChipLramAddr(iop_base, s_addr);
	for (i = 0; i < 2 * words; i += 2) {
		word = inpw(iop_base + IOP_RAM_DATA);
		d_buffer[i] = word & 0xff;
		d_buffer[i + 1] = (word >> 8) & 0xff;
	}
}

static u32 AscMemSumLramWord(PortAddr iop_base, ushort s_addr, int words)
{
	u32 sum = 0;
	int i;

	for (i = 0; i < words; i++, s_addr += 2) {
		sum += AscReadLramWord(iop_base, s_addr);
	}
	return (sum);
}

static void AscInitLram(ASC_DVC_VAR *asc_dvc)
{
	uchar i;
	ushort s_addr;
	PortAddr iop_base;

	iop_base = asc_dvc->iop_base;
	AscMemWordSetLram(iop_base, ASC_QADR_BEG, 0,
			  (ushort)(((int)(asc_dvc->max_total_qng + 2 + 1) *
				    64) >> 1));
	i = ASC_MIN_ACTIVE_QNO;
	s_addr = ASC_QADR_BEG + ASC_QBLK_SIZE;
	AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
			 (uchar)(i + 1));
	AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
			 (uchar)(asc_dvc->max_total_qng));
	AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
			 (uchar)i);
	i++;
	s_addr += ASC_QBLK_SIZE;
	for (; i < asc_dvc->max_total_qng; i++, s_addr += ASC_QBLK_SIZE) {
		AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
				 (uchar)(i + 1));
		AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
				 (uchar)(i - 1));
		AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
				 (uchar)i);
	}
	AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_FWD),
			 (uchar)ASC_QLINK_END);
	AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_BWD),
			 (uchar)(asc_dvc->max_total_qng - 1));
	AscWriteLramByte(iop_base, (ushort)(s_addr + ASC_SCSIQ_B_QNO),
			 (uchar)asc_dvc->max_total_qng);
	i++;
	s_addr += ASC_QBLK_SIZE;
	for (; i <= (uchar)(asc_dvc->max_total_qng + 3);
	     i++, s_addr += ASC_QBLK_SIZE) {
		AscWriteLramByte(iop_base,
				 (ushort)(s_addr + (ushort)ASC_SCSIQ_B_FWD), i);
		AscWriteLramByte(iop_base,
				 (ushort)(s_addr + (ushort)ASC_SCSIQ_B_BWD), i);
		AscWriteLramByte(iop_base,
				 (ushort)(s_addr + (ushort)ASC_SCSIQ_B_QNO), i);
	}
}

static u32
AscLoadMicroCode(PortAddr iop_base, ushort s_addr,
		 const uchar *mcode_buf, ushort mcode_size)
{
	u32 chksum;
	ushort mcode_word_size;
	ushort mcode_chksum;

	/* Write the microcode buffer starting at LRAM address 0. */
	mcode_word_size = (ushort)(mcode_size >> 1);
	AscMemWordSetLram(iop_base, s_addr, 0, mcode_word_size);
	AscMemWordCopyPtrToLram(iop_base, s_addr, mcode_buf, mcode_word_size);

	chksum = AscMemSumLramWord(iop_base, s_addr, mcode_word_size);
	ASC_DBG(1, "chksum 0x%lx\n", (ulong)chksum);
	mcode_chksum = (ushort)AscMemSumLramWord(iop_base,
						 (ushort)ASC_CODE_SEC_BEG,
						 (ushort)((mcode_size -
							   s_addr - (ushort)
							   ASC_CODE_SEC_BEG) /
							  2));
	ASC_DBG(1, "mcode_chksum 0x%lx\n", (ulong)mcode_chksum);
	AscWriteLramWord(iop_base, ASCV_MCODE_CHKSUM_W, mcode_chksum);
	AscWriteLramWord(iop_base, ASCV_MCODE_SIZE_W, mcode_size);
	return chksum;
}

static void AscInitQLinkVar(ASC_DVC_VAR *asc_dvc)
{
	PortAddr iop_base;
	int i;
	ushort lram_addr;

	iop_base = asc_dvc->iop_base;
	AscPutRiscVarFreeQHead(iop_base, 1);
	AscPutRiscVarDoneQTail(iop_base, asc_dvc->max_total_qng);
	AscPutVarFreeQHead(iop_base, 1);
	AscPutVarDoneQTail(iop_base, asc_dvc->max_total_qng);
	AscWriteLramByte(iop_base, ASCV_BUSY_QHEAD_B,
			 (uchar)((int)asc_dvc->max_total_qng + 1));
	AscWriteLramByte(iop_base, ASCV_DISC1_QHEAD_B,
			 (uchar)((int)asc_dvc->max_total_qng + 2));
	AscWriteLramByte(iop_base, (ushort)ASCV_TOTAL_READY_Q_B,
			 asc_dvc->max_total_qng);
	AscWriteLramWord(iop_base, ASCV_ASCDVC_ERR_CODE_W, 0);
	AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
	AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, 0);
	AscWriteLramByte(iop_base, ASCV_SCSIBUSY_B, 0);
	AscWriteLramByte(iop_base, ASCV_WTM_FLAG_B, 0);
	AscPutQDoneInProgress(iop_base, 0);
	lram_addr = ASC_QADR_BEG;
	for (i = 0; i < 32; i++, lram_addr += 2) {
		AscWriteLramWord(iop_base, lram_addr, 0);
	}
}

static int AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc)
{
	int i;
	int warn_code;
	PortAddr iop_base;
	__le32 phy_addr;
	__le32 phy_size;
	struct asc_board *board = asc_dvc_to_board(asc_dvc);

	iop_base = asc_dvc->iop_base;
	warn_code = 0;
	for (i = 0; i <= ASC_MAX_TID; i++) {
		AscPutMCodeInitSDTRAtID(iop_base, i,
					asc_dvc->cfg->sdtr_period_offset[i]);
	}

	AscInitQLinkVar(asc_dvc);
	AscWriteLramByte(iop_base, ASCV_DISC_ENABLE_B,
			 asc_dvc->cfg->disc_enable);
	AscWriteLramByte(iop_base, ASCV_HOSTSCSI_ID_B,
			 ASC_TID_TO_TARGET_ID(asc_dvc->cfg->chip_scsi_id));

	/* Ensure overrun buffer is aligned on an 8 byte boundary. */
	BUG_ON((unsigned long)asc_dvc->overrun_buf & 7);
	asc_dvc->overrun_dma = dma_map_single(board->dev, asc_dvc->overrun_buf,
					ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
	if (dma_mapping_error(board->dev, asc_dvc->overrun_dma)) {
		warn_code = -ENOMEM;
		goto err_dma_map;
	}
	phy_addr = cpu_to_le32(asc_dvc->overrun_dma);
	AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D,
				 (uchar *)&phy_addr, 1);
	phy_size = cpu_to_le32(ASC_OVERRUN_BSIZE);
	AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_BSIZE_D,
				 (uchar *)&phy_size, 1);

	asc_dvc->cfg->mcode_date =
	    AscReadLramWord(iop_base, (ushort)ASCV_MC_DATE_W);
	asc_dvc->cfg->mcode_version =
	    AscReadLramWord(iop_base, (ushort)ASCV_MC_VER_W);

	AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
	if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
		asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
		warn_code = -EINVAL;
		goto err_mcode_start;
	}
	if (AscStartChip(iop_base) != 1) {
		asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
		warn_code = -EIO;
		goto err_mcode_start;
	}

	return warn_code;

err_mcode_start:
	dma_unmap_single(board->dev, asc_dvc->overrun_dma,
			 ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
err_dma_map:
	asc_dvc->overrun_dma = 0;
	return warn_code;
}

static int AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc)
{
	const struct firmware *fw;
	const char fwname[] = "advansys/mcode.bin";
	int err;
	unsigned long chksum;
	int warn_code;
	PortAddr iop_base;

	iop_base = asc_dvc->iop_base;
	warn_code = 0;
	if ((asc_dvc->dvc_cntl & ASC_CNTL_RESET_SCSI) &&
	    !(asc_dvc->init_state & ASC_INIT_RESET_SCSI_DONE)) {
		AscResetChipAndScsiBus(asc_dvc);
		mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
	}
	asc_dvc->init_state |= ASC_INIT_STATE_BEG_LOAD_MC;
	if (asc_dvc->err_code != 0)
		return ASC_ERROR;
	if (!AscFindSignature(asc_dvc->iop_base)) {
		asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
		return warn_code;
	}
	AscDisableInterrupt(iop_base);
	AscInitLram(asc_dvc);

	err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
	if (err) {
		printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
		       fwname, err);
		asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
		return err;
	}
	if (fw->size < 4) {
		printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
		       fw->size, fwname);
		release_firmware(fw);
		asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
		return -EINVAL;
	}
	chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
		 (fw->data[1] << 8) | fw->data[0];
	ASC_DBG(1, "_asc_mcode_chksum 0x%lx\n", (ulong)chksum);
	if (AscLoadMicroCode(iop_base, 0, &fw->data[4],
			     fw->size - 4) != chksum) {
		asc_dvc->err_code |= ASC_IERR_MCODE_CHKSUM;
		release_firmware(fw);
		return warn_code;
	}
	release_firmware(fw);
	warn_code |= AscInitMicroCodeVar(asc_dvc);
	if (!asc_dvc->overrun_dma)
		return warn_code;
	asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC;
	AscEnableInterrupt(iop_base);
	return warn_code;
}

/*
 * Load the Microcode
 *
 * Write the microcode image to RISC memory starting at address 0.
 *
 * The microcode is stored compressed in the following format:
 *
 *  254 word (508 byte) table indexed by byte code followed
 *  by the following byte codes:
 *
 *    1-Byte Code:
 *      00: Emit word 0 in table.
 *      01: Emit word 1 in table.
 *      .
 *      FD: Emit word 253 in table.
 *
 *    Multi-Byte Code:
 *      FE WW WW: (3 byte code) Word to emit is the next word WW WW.
 *      FF BB WW WW: (4 byte code) Emit BB count times next word WW WW.
 *
 * Returns 0 or an error if the checksum doesn't match
 */
static int AdvLoadMicrocode(AdvPortAddr iop_base, const unsigned char *buf,
			    int size, int memsize, int chksum)
{
	int i, j, end, len = 0;
	u32 sum;

	AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);

	for (i = 253 * 2; i < size; i++) {
		if (buf[i] == 0xff) {
			unsigned short word = (buf[i + 3] << 8) | buf[i + 2];
			for (j = 0; j < buf[i + 1]; j++) {
				AdvWriteWordAutoIncLram(iop_base, word);
				len += 2;
			}
			i += 3;
		} else if (buf[i] == 0xfe) {
			unsigned short word = (buf[i + 2] << 8) | buf[i + 1];
			AdvWriteWordAutoIncLram(iop_base, word);
			i += 2;
			len += 2;
		} else {
			unsigned int off = buf[i] * 2;
			unsigned short word = (buf[off + 1] << 8) | buf[off];
			AdvWriteWordAutoIncLram(iop_base, word);
			len += 2;
		}
	}

	end = len;

	while (len < memsize) {
		AdvWriteWordAutoIncLram(iop_base, 0);
		len += 2;
	}

	/* Verify the microcode checksum. */
	sum = 0;
	AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, 0);

	for (len = 0; len < end; len += 2) {
		sum += AdvReadWordAutoIncLram(iop_base);
	}

	if (sum != chksum)
		return ASC_IERR_MCODE_CHKSUM;

	return 0;
}

static void AdvBuildCarrierFreelist(struct adv_dvc_var *adv_dvc)
{
	off_t carr_offset = 0, next_offset;
	dma_addr_t carr_paddr;
	int carr_num = ADV_CARRIER_BUFSIZE / sizeof(ADV_CARR_T), i;

	for (i = 0; i < carr_num; i++) {
		carr_offset = i * sizeof(ADV_CARR_T);
		/* Get physical address of the carrier 'carrp'. */
		carr_paddr = adv_dvc->carrier_addr + carr_offset;

		adv_dvc->carrier[i].carr_pa = cpu_to_le32(carr_paddr);
		adv_dvc->carrier[i].carr_va = cpu_to_le32(carr_offset);
		adv_dvc->carrier[i].areq_vpa = 0;
		next_offset = carr_offset + sizeof(ADV_CARR_T);
		if (i == carr_num)
			next_offset = ~0;
		adv_dvc->carrier[i].next_vpa = cpu_to_le32(next_offset);
	}
	/*
	 * We cannot have a carrier with 'carr_va' of '0', as
	 * a reference to this carrier would be interpreted as
	 * list termination.
	 * So start at carrier 1 with the freelist.
	 */
	adv_dvc->carr_freelist = &adv_dvc->carrier[1];
}

static ADV_CARR_T *adv_get_carrier(struct adv_dvc_var *adv_dvc, u32 offset)
{
	int index;

	BUG_ON(offset > ADV_CARRIER_BUFSIZE);

	index = offset / sizeof(ADV_CARR_T);
	return &adv_dvc->carrier[index];
}

static ADV_CARR_T *adv_get_next_carrier(struct adv_dvc_var *adv_dvc)
{
	ADV_CARR_T *carrp = adv_dvc->carr_freelist;
	u32 next_vpa = le32_to_cpu(carrp->next_vpa);

	if (next_vpa == 0 || next_vpa == ~0) {
		ASC_DBG(1, "invalid vpa offset 0x%x\n", next_vpa);
		return NULL;
	}

	adv_dvc->carr_freelist = adv_get_carrier(adv_dvc, next_vpa);
	/*
	 * insert stopper carrier to terminate list
	 */
	carrp->next_vpa = cpu_to_le32(ADV_CQ_STOPPER);

	return carrp;
}

/*
 * 'offset' is the index in the request pointer array
 */
static adv_req_t * adv_get_reqp(struct adv_dvc_var *adv_dvc, u32 offset)
{
	struct asc_board *boardp = adv_dvc->drv_ptr;

	BUG_ON(offset > adv_dvc->max_host_qng);
	return &boardp->adv_reqp[offset];
}

/*
 * Send an idle command to the chip and wait for completion.
 *
 * Command completion is polled for once per microsecond.
 *
 * The function can be called from anywhere including an interrupt handler.
 * But the function is not re-entrant, so it uses the DvcEnter/LeaveCritical()
 * functions to prevent reentrancy.
 *
 * Return Values:
 *   ADV_TRUE - command completed successfully
 *   ADV_FALSE - command failed
 *   ADV_ERROR - command timed out
 */
static int
AdvSendIdleCmd(ADV_DVC_VAR *asc_dvc,
	       ushort idle_cmd, u32 idle_cmd_parameter)
{
	int result, i, j;
	AdvPortAddr iop_base;

	iop_base = asc_dvc->iop_base;

	/*
	 * Clear the idle command status which is set by the microcode
	 * to a non-zero value to indicate when the command is completed.
	 * The non-zero result is one of the IDLE_CMD_STATUS_* values
	 */
	AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS, (ushort)0);

	/*
	 * Write the idle command value after the idle command parameter
	 * has been written to avoid a race condition. If the order is not
	 * followed, the microcode may process the idle command before the
	 * parameters have been written to LRAM.
	 */
	AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IDLE_CMD_PARAMETER,
				cpu_to_le32(idle_cmd_parameter));
	AdvWriteWordLram(iop_base, ASC_MC_IDLE_CMD, idle_cmd);

	/*
	 * Tickle the RISC to tell it to process the idle command.
	 */
	AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_B);
	if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
		/*
		 * Clear the tickle value. In the ASC-3550 the RISC flag
		 * command 'clr_tickle_b' does not work unless the host
		 * value is cleared.
		 */
		AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_NOP);
	}

	/* Wait for up to 100 millisecond for the idle command to timeout. */
	for (i = 0; i < SCSI_WAIT_100_MSEC; i++) {
		/* Poll once each microsecond for command completion. */
		for (j = 0; j < SCSI_US_PER_MSEC; j++) {
			AdvReadWordLram(iop_base, ASC_MC_IDLE_CMD_STATUS,
					result);
			if (result != 0)
				return result;
			udelay(1);
		}
	}

	BUG();		/* The idle command should never timeout. */
	return ADV_ERROR;
}

/*
 * Reset SCSI Bus and purge all outstanding requests.
 *
 * Return Value:
 *      ADV_TRUE(1) -   All requests are purged and SCSI Bus is reset.
 *      ADV_FALSE(0) -  Microcode command failed.
 *      ADV_ERROR(-1) - Microcode command timed-out. Microcode or IC
 *                      may be hung which requires driver recovery.
 */
static int AdvResetSB(ADV_DVC_VAR *asc_dvc)
{
	int status;

	/*
	 * Send the SCSI Bus Reset idle start idle command which asserts
	 * the SCSI Bus Reset signal.
	 */
	status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_START, 0L);
	if (status != ADV_TRUE) {
		return status;
	}

	/*
	 * Delay for the specified SCSI Bus Reset hold time.
	 *
	 * The hold time delay is done on the host because the RISC has no
	 * microsecond accurate timer.
	 */
	udelay(ASC_SCSI_RESET_HOLD_TIME_US);

	/*
	 * Send the SCSI Bus Reset end idle command which de-asserts
	 * the SCSI Bus Reset signal and purges any pending requests.
	 */
	status = AdvSendIdleCmd(asc_dvc, (ushort)IDLE_CMD_SCSI_RESET_END, 0L);
	if (status != ADV_TRUE) {
		return status;
	}

	mdelay(asc_dvc->scsi_reset_wait * 1000);	/* XXX: msleep? */

	return status;
}

/*
 * Initialize the ASC-3550.
 *
 * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
 *
 * For a non-fatal error return a warning code. If there are no warnings
 * then 0 is returned.
 *
 * Needed after initialization for error recovery.
 */
static int AdvInitAsc3550Driver(ADV_DVC_VAR *asc_dvc)
{
	const struct firmware *fw;
	const char fwname[] = "advansys/3550.bin";
	AdvPortAddr iop_base;
	ushort warn_code;
	int begin_addr;
	int end_addr;
	ushort code_sum;
	int word;
	int i;
	int err;
	unsigned long chksum;
	ushort scsi_cfg1;
	uchar tid;
	ushort bios_mem[ASC_MC_BIOSLEN / 2];	/* BIOS RISC Memory 0x40-0x8F. */
	ushort wdtr_able = 0, sdtr_able, tagqng_able;
	uchar max_cmd[ADV_MAX_TID + 1];

	/* If there is already an error, don't continue. */
	if (asc_dvc->err_code != 0)
		return ADV_ERROR;

	/*
	 * The caller must set 'chip_type' to ADV_CHIP_ASC3550.
	 */
	if (asc_dvc->chip_type != ADV_CHIP_ASC3550) {
		asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
		return ADV_ERROR;
	}

	warn_code = 0;
	iop_base = asc_dvc->iop_base;

	/*
	 * Save the RISC memory BIOS region before writing the microcode.
	 * The BIOS may already be loaded and using its RISC LRAM region
	 * so its region must be saved and restored.
	 *
	 * Note: This code makes the assumption, which is currently true,
	 * that a chip reset does not clear RISC LRAM.
	 */
	for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
		AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
				bios_mem[i]);
	}

	/*
	 * Save current per TID negotiated values.
	 */
	if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] == 0x55AA) {
		ushort bios_version, major, minor;

		bios_version =
		    bios_mem[(ASC_MC_BIOS_VERSION - ASC_MC_BIOSMEM) / 2];
		major = (bios_version >> 12) & 0xF;
		minor = (bios_version >> 8) & 0xF;
		if (major < 3 || (major == 3 && minor == 1)) {
			/* BIOS 3.1 and earlier location of 'wdtr_able' variable. */
			AdvReadWordLram(iop_base, 0x120, wdtr_able);
		} else {
			AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
		}
	}
	AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
	AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
	for (tid = 0; tid <= ADV_MAX_TID; tid++) {
		AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
				max_cmd[tid]);
	}

	err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
	if (err) {
		printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
		       fwname, err);
		asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
		return err;
	}
	if (fw->size < 4) {
		printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
		       fw->size, fwname);
		release_firmware(fw);
		asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
		return -EINVAL;
	}
	chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
		 (fw->data[1] << 8) | fw->data[0];
	asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
					     fw->size - 4, ADV_3550_MEMSIZE,
					     chksum);
	release_firmware(fw);
	if (asc_dvc->err_code)
		return ADV_ERROR;

	/*
	 * Restore the RISC memory BIOS region.
	 */
	for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
		AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
				 bios_mem[i]);
	}

	/*
	 * Calculate and write the microcode code checksum to the microcode
	 * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
	 */
	AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
	AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
	code_sum = 0;
	AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
	for (word = begin_addr; word < end_addr; word += 2) {
		code_sum += AdvReadWordAutoIncLram(iop_base);
	}
	AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);

	/*
	 * Read and save microcode version and date.
	 */
	AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
			asc_dvc->cfg->mcode_date);
	AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
			asc_dvc->cfg->mcode_version);

	/*
	 * Set the chip type to indicate the ASC3550.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC3550);

	/*
	 * If the PCI Configuration Command Register "Parity Error Response
	 * Control" Bit was clear (0), then set the microcode variable
	 * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
	 * to ignore DMA parity errors.
	 */
	if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
		AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
		word |= CONTROL_FLAG_IGNORE_PERR;
		AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
	}

	/*
	 * For ASC-3550, setting the START_CTL_EMFU [3:2] bits sets a FIFO
	 * threshold of 128 bytes. This register is only accessible to the host.
	 */
	AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
			     START_CTL_EMFU | READ_CMD_MRM);

	/*
	 * Microcode operating variables for WDTR, SDTR, and command tag
	 * queuing will be set in slave_configure() based on what a
	 * device reports it is capable of in Inquiry byte 7.
	 *
	 * If SCSI Bus Resets have been disabled, then directly set
	 * SDTR and WDTR from the EEPROM configuration. This will allow
	 * the BIOS and warm boot to work without a SCSI bus hang on
	 * the Inquiry caused by host and target mismatched DTR values.
	 * Without the SCSI Bus Reset, before an Inquiry a device can't
	 * be assumed to be in Asynchronous, Narrow mode.
	 */
	if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
		AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
				 asc_dvc->wdtr_able);
		AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
				 asc_dvc->sdtr_able);
	}

	/*
	 * Set microcode operating variables for SDTR_SPEED1, SDTR_SPEED2,
	 * SDTR_SPEED3, and SDTR_SPEED4 based on the ULTRA EEPROM per TID
	 * bitmask. These values determine the maximum SDTR speed negotiated
	 * with a device.
	 *
	 * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
	 * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
	 * without determining here whether the device supports SDTR.
	 *
	 * 4-bit speed  SDTR speed name
	 * ===========  ===============
	 * 0000b (0x0)  SDTR disabled
	 * 0001b (0x1)  5 Mhz
	 * 0010b (0x2)  10 Mhz
	 * 0011b (0x3)  20 Mhz (Ultra)
	 * 0100b (0x4)  40 Mhz (LVD/Ultra2)
	 * 0101b (0x5)  80 Mhz (LVD2/Ultra3)
	 * 0110b (0x6)  Undefined
	 * .
	 * 1111b (0xF)  Undefined
	 */
	word = 0;
	for (tid = 0; tid <= ADV_MAX_TID; tid++) {
		if (ADV_TID_TO_TIDMASK(tid) & asc_dvc->ultra_able) {
			/* Set Ultra speed for TID 'tid'. */
			word |= (0x3 << (4 * (tid % 4)));
		} else {
			/* Set Fast speed for TID 'tid'. */
			word |= (0x2 << (4 * (tid % 4)));
		}
		if (tid == 3) {	/* Check if done with sdtr_speed1. */
			AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, word);
			word = 0;
		} else if (tid == 7) {	/* Check if done with sdtr_speed2. */
			AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, word);
			word = 0;
		} else if (tid == 11) {	/* Check if done with sdtr_speed3. */
			AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, word);
			word = 0;
		} else if (tid == 15) {	/* Check if done with sdtr_speed4. */
			AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, word);
			/* End of loop. */
		}
	}

	/*
	 * Set microcode operating variable for the disconnect per TID bitmask.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
			 asc_dvc->cfg->disc_enable);

	/*
	 * Set SCSI_CFG0 Microcode Default Value.
	 *
	 * The microcode will set the SCSI_CFG0 register using this value
	 * after it is started below.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
			 PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
			 asc_dvc->chip_scsi_id);

	/*
	 * Determine SCSI_CFG1 Microcode Default Value.
	 *
	 * The microcode will set the SCSI_CFG1 register using this value
	 * after it is started below.
	 */

	/* Read current SCSI_CFG1 Register value. */
	scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);

	/*
	 * If all three connectors are in use, return an error.
	 */
	if ((scsi_cfg1 & CABLE_ILLEGAL_A) == 0 ||
	    (scsi_cfg1 & CABLE_ILLEGAL_B) == 0) {
		asc_dvc->err_code |= ASC_IERR_ILLEGAL_CONNECTION;
		return ADV_ERROR;
	}

	/*
	 * If the internal narrow cable is reversed all of the SCSI_CTRL
	 * register signals will be set. Check for and return an error if
	 * this condition is found.
	 */
	if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
		asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
		return ADV_ERROR;
	}

	/*
	 * If this is a differential board and a single-ended device
	 * is attached to one of the connectors, return an error.
	 */
	if ((scsi_cfg1 & DIFF_MODE) && (scsi_cfg1 & DIFF_SENSE) == 0) {
		asc_dvc->err_code |= ASC_IERR_SINGLE_END_DEVICE;
		return ADV_ERROR;
	}

	/*
	 * If automatic termination control is enabled, then set the
	 * termination value based on a table listed in a_condor.h.
	 *
	 * If manual termination was specified with an EEPROM setting
	 * then 'termination' was set-up in AdvInitFrom3550EEPROM() and
	 * is ready to be 'ored' into SCSI_CFG1.
	 */
	if (asc_dvc->cfg->termination == 0) {
		/*
		 * The software always controls termination by setting TERM_CTL_SEL.
		 * If TERM_CTL_SEL were set to 0, the hardware would set termination.
		 */
		asc_dvc->cfg->termination |= TERM_CTL_SEL;

		switch (scsi_cfg1 & CABLE_DETECT) {
			/* TERM_CTL_H: on, TERM_CTL_L: on */
		case 0x3:
		case 0x7:
		case 0xB:
		case 0xD:
		case 0xE:
		case 0xF:
			asc_dvc->cfg->termination |= (TERM_CTL_H | TERM_CTL_L);
			break;

			/* TERM_CTL_H: on, TERM_CTL_L: off */
		case 0x1:
		case 0x5:
		case 0x9:
		case 0xA:
		case 0xC:
			asc_dvc->cfg->termination |= TERM_CTL_H;
			break;

			/* TERM_CTL_H: off, TERM_CTL_L: off */
		case 0x2:
		case 0x6:
			break;
		}
	}

	/*
	 * Clear any set TERM_CTL_H and TERM_CTL_L bits.
	 */
	scsi_cfg1 &= ~TERM_CTL;

	/*
	 * Invert the TERM_CTL_H and TERM_CTL_L bits and then
	 * set 'scsi_cfg1'. The TERM_POL bit does not need to be
	 * referenced, because the hardware internally inverts
	 * the Termination High and Low bits if TERM_POL is set.
	 */
	scsi_cfg1 |= (TERM_CTL_SEL | (~asc_dvc->cfg->termination & TERM_CTL));

	/*
	 * Set SCSI_CFG1 Microcode Default Value
	 *
	 * Set filter value and possibly modified termination control
	 * bits in the Microcode SCSI_CFG1 Register Value.
	 *
	 * The microcode will set the SCSI_CFG1 register using this value
	 * after it is started below.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1,
			 FLTR_DISABLE | scsi_cfg1);

	/*
	 * Set MEM_CFG Microcode Default Value
	 *
	 * The microcode will set the MEM_CFG register using this value
	 * after it is started below.
	 *
	 * MEM_CFG may be accessed as a word or byte, but only bits 0-7
	 * are defined.
	 *
	 * ASC-3550 has 8KB internal memory.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
			 BIOS_EN | RAM_SZ_8KB);

	/*
	 * Set SEL_MASK Microcode Default Value
	 *
	 * The microcode will set the SEL_MASK register using this value
	 * after it is started below.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
			 ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));

	AdvBuildCarrierFreelist(asc_dvc);

	/*
	 * Set-up the Host->RISC Initiator Command Queue (ICQ).
	 */

	asc_dvc->icq_sp = adv_get_next_carrier(asc_dvc);
	if (!asc_dvc->icq_sp) {
		asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
		return ADV_ERROR;
	}

	/*
	 * Set RISC ICQ physical address start value.
	 */
	AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);

	/*
	 * Set-up the RISC->Host Initiator Response Queue (IRQ).
	 */
	asc_dvc->irq_sp = adv_get_next_carrier(asc_dvc);
	if (!asc_dvc->irq_sp) {
		asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
		return ADV_ERROR;
	}

	/*
	 * Set RISC IRQ physical address start value.
	 */
	AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
	asc_dvc->carr_pending_cnt = 0;

	AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
			     (ADV_INTR_ENABLE_HOST_INTR |
			      ADV_INTR_ENABLE_GLOBAL_INTR));

	AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
	AdvWriteWordRegister(iop_base, IOPW_PC, word);

	/* finally, finally, gentlemen, start your engine */
	AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);

	/*
	 * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
	 * Resets should be performed. The RISC has to be running
	 * to issue a SCSI Bus Reset.
	 */
	if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
		/*
		 * If the BIOS Signature is present in memory, restore the
		 * BIOS Handshake Configuration Table and do not perform
		 * a SCSI Bus Reset.
		 */
		if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
		    0x55AA) {
			/*
			 * Restore per TID negotiated values.
			 */
			AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
			AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
			AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
					 tagqng_able);
			for (tid = 0; tid <= ADV_MAX_TID; tid++) {
				AdvWriteByteLram(iop_base,
						 ASC_MC_NUMBER_OF_MAX_CMD + tid,
						 max_cmd[tid]);
			}
		} else {
			if (AdvResetSB(asc_dvc) != ADV_TRUE) {
				warn_code = ASC_WARN_BUSRESET_ERROR;
			}
		}
	}

	return warn_code;
}

/*
 * Initialize the ASC-38C0800.
 *
 * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
 *
 * For a non-fatal error return a warning code. If there are no warnings
 * then 0 is returned.
 *
 * Needed after initialization for error recovery.
 */
static int AdvInitAsc38C0800Driver(ADV_DVC_VAR *asc_dvc)
{
	const struct firmware *fw;
	const char fwname[] = "advansys/38C0800.bin";
	AdvPortAddr iop_base;
	ushort warn_code;
	int begin_addr;
	int end_addr;
	ushort code_sum;
	int word;
	int i;
	int err;
	unsigned long chksum;
	ushort scsi_cfg1;
	uchar byte;
	uchar tid;
	ushort bios_mem[ASC_MC_BIOSLEN / 2];	/* BIOS RISC Memory 0x40-0x8F. */
	ushort wdtr_able, sdtr_able, tagqng_able;
	uchar max_cmd[ADV_MAX_TID + 1];

	/* If there is already an error, don't continue. */
	if (asc_dvc->err_code != 0)
		return ADV_ERROR;

	/*
	 * The caller must set 'chip_type' to ADV_CHIP_ASC38C0800.
	 */
	if (asc_dvc->chip_type != ADV_CHIP_ASC38C0800) {
		asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
		return ADV_ERROR;
	}

	warn_code = 0;
	iop_base = asc_dvc->iop_base;

	/*
	 * Save the RISC memory BIOS region before writing the microcode.
	 * The BIOS may already be loaded and using its RISC LRAM region
	 * so its region must be saved and restored.
	 *
	 * Note: This code makes the assumption, which is currently true,
	 * that a chip reset does not clear RISC LRAM.
	 */
	for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
		AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
				bios_mem[i]);
	}

	/*
	 * Save current per TID negotiated values.
	 */
	AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
	AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
	AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
	for (tid = 0; tid <= ADV_MAX_TID; tid++) {
		AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
				max_cmd[tid]);
	}

	/*
	 * RAM BIST (RAM Built-In Self Test)
	 *
	 * Address : I/O base + offset 0x38h register (byte).
	 * Function: Bit 7-6(RW) : RAM mode
	 *                          Normal Mode   : 0x00
	 *                          Pre-test Mode : 0x40
	 *                          RAM Test Mode : 0x80
	 *           Bit 5       : unused
	 *           Bit 4(RO)   : Done bit
	 *           Bit 3-0(RO) : Status
	 *                          Host Error    : 0x08
	 *                          Int_RAM Error : 0x04
	 *                          RISC Error    : 0x02
	 *                          SCSI Error    : 0x01
	 *                          No Error      : 0x00
	 *
	 * Note: RAM BIST code should be put right here, before loading the
	 * microcode and after saving the RISC memory BIOS region.
	 */

	/*
	 * LRAM Pre-test
	 *
	 * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
	 * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
	 * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
	 * to NORMAL_MODE, return an error too.
	 */
	for (i = 0; i < 2; i++) {
		AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
		mdelay(10);	/* Wait for 10ms before reading back. */
		byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
		if ((byte & RAM_TEST_DONE) == 0
		    || (byte & 0x0F) != PRE_TEST_VALUE) {
			asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
			return ADV_ERROR;
		}

		AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
		mdelay(10);	/* Wait for 10ms before reading back. */
		if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
		    != NORMAL_VALUE) {
			asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
			return ADV_ERROR;
		}
	}

	/*
	 * LRAM Test - It takes about 1.5 ms to run through the test.
	 *
	 * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
	 * If Done bit not set or Status not 0, save register byte, set the
	 * err_code, and return an error.
	 */
	AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
	mdelay(10);	/* Wait for 10ms before checking status. */

	byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
	if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
		/* Get here if Done bit not set or Status not 0. */
		asc_dvc->bist_err_code = byte;	/* for BIOS display message */
		asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
		return ADV_ERROR;
	}

	/* We need to reset back to normal mode after LRAM test passes. */
	AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);

	err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
	if (err) {
		printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
		       fwname, err);
		asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
		return err;
	}
	if (fw->size < 4) {
		printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
		       fw->size, fwname);
		release_firmware(fw);
		asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
		return -EINVAL;
	}
	chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
		 (fw->data[1] << 8) | fw->data[0];
	asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
					     fw->size - 4, ADV_38C0800_MEMSIZE,
					     chksum);
	release_firmware(fw);
	if (asc_dvc->err_code)
		return ADV_ERROR;

	/*
	 * Restore the RISC memory BIOS region.
	 */
	for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
		AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
				 bios_mem[i]);
	}

	/*
	 * Calculate and write the microcode code checksum to the microcode
	 * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
	 */
	AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
	AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
	code_sum = 0;
	AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
	for (word = begin_addr; word < end_addr; word += 2) {
		code_sum += AdvReadWordAutoIncLram(iop_base);
	}
	AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);

	/*
	 * Read microcode version and date.
	 */
	AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
			asc_dvc->cfg->mcode_date);
	AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
			asc_dvc->cfg->mcode_version);

	/*
	 * Set the chip type to indicate the ASC38C0800.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C0800);

	/*
	 * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
	 * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
	 * cable detection and then we are able to read C_DET[3:0].
	 *
	 * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
	 * Microcode Default Value' section below.
	 */
	scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
	AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
			     scsi_cfg1 | DIS_TERM_DRV);

	/*
	 * If the PCI Configuration Command Register "Parity Error Response
	 * Control" Bit was clear (0), then set the microcode variable
	 * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
	 * to ignore DMA parity errors.
	 */
	if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
		AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
		word |= CONTROL_FLAG_IGNORE_PERR;
		AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
	}

	/*
	 * For ASC-38C0800, set FIFO_THRESH_80B [6:4] bits and START_CTL_TH [3:2]
	 * bits for the default FIFO threshold.
	 *
	 * Note: ASC-38C0800 FIFO threshold has been changed to 256 bytes.
	 *
	 * For DMA Errata #4 set the BC_THRESH_ENB bit.
	 */
	AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
			     BC_THRESH_ENB | FIFO_THRESH_80B | START_CTL_TH |
			     READ_CMD_MRM);

	/*
	 * Microcode operating variables for WDTR, SDTR, and command tag
	 * queuing will be set in slave_configure() based on what a
	 * device reports it is capable of in Inquiry byte 7.
	 *
	 * If SCSI Bus Resets have been disabled, then directly set
	 * SDTR and WDTR from the EEPROM configuration. This will allow
	 * the BIOS and warm boot to work without a SCSI bus hang on
	 * the Inquiry caused by host and target mismatched DTR values.
	 * Without the SCSI Bus Reset, before an Inquiry a device can't
	 * be assumed to be in Asynchronous, Narrow mode.
	 */
	if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
		AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
				 asc_dvc->wdtr_able);
		AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
				 asc_dvc->sdtr_able);
	}

	/*
	 * Set microcode operating variables for DISC and SDTR_SPEED1,
	 * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
	 * configuration values.
	 *
	 * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
	 * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
	 * without determining here whether the device supports SDTR.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
			 asc_dvc->cfg->disc_enable);
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);

	/*
	 * Set SCSI_CFG0 Microcode Default Value.
	 *
	 * The microcode will set the SCSI_CFG0 register using this value
	 * after it is started below.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
			 PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
			 asc_dvc->chip_scsi_id);

	/*
	 * Determine SCSI_CFG1 Microcode Default Value.
	 *
	 * The microcode will set the SCSI_CFG1 register using this value
	 * after it is started below.
	 */

	/* Read current SCSI_CFG1 Register value. */
	scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);

	/*
	 * If the internal narrow cable is reversed all of the SCSI_CTRL
	 * register signals will be set. Check for and return an error if
	 * this condition is found.
	 */
	if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
		asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
		return ADV_ERROR;
	}

	/*
	 * All kind of combinations of devices attached to one of four
	 * connectors are acceptable except HVD device attached. For example,
	 * LVD device can be attached to SE connector while SE device attached
	 * to LVD connector.  If LVD device attached to SE connector, it only
	 * runs up to Ultra speed.
	 *
	 * If an HVD device is attached to one of LVD connectors, return an
	 * error.  However, there is no way to detect HVD device attached to
	 * SE connectors.
	 */
	if (scsi_cfg1 & HVD) {
		asc_dvc->err_code = ASC_IERR_HVD_DEVICE;
		return ADV_ERROR;
	}

	/*
	 * If either SE or LVD automatic termination control is enabled, then
	 * set the termination value based on a table listed in a_condor.h.
	 *
	 * If manual termination was specified with an EEPROM setting then
	 * 'termination' was set-up in AdvInitFrom38C0800EEPROM() and is ready
	 * to be 'ored' into SCSI_CFG1.
	 */
	if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
		/* SE automatic termination control is enabled. */
		switch (scsi_cfg1 & C_DET_SE) {
			/* TERM_SE_HI: on, TERM_SE_LO: on */
		case 0x1:
		case 0x2:
		case 0x3:
			asc_dvc->cfg->termination |= TERM_SE;
			break;

			/* TERM_SE_HI: on, TERM_SE_LO: off */
		case 0x0:
			asc_dvc->cfg->termination |= TERM_SE_HI;
			break;
		}
	}

	if ((asc_dvc->cfg->termination & TERM_LVD) == 0) {
		/* LVD automatic termination control is enabled. */
		switch (scsi_cfg1 & C_DET_LVD) {
			/* TERM_LVD_HI: on, TERM_LVD_LO: on */
		case 0x4:
		case 0x8:
		case 0xC:
			asc_dvc->cfg->termination |= TERM_LVD;
			break;

			/* TERM_LVD_HI: off, TERM_LVD_LO: off */
		case 0x0:
			break;
		}
	}

	/*
	 * Clear any set TERM_SE and TERM_LVD bits.
	 */
	scsi_cfg1 &= (~TERM_SE & ~TERM_LVD);

	/*
	 * Invert the TERM_SE and TERM_LVD bits and then set 'scsi_cfg1'.
	 */
	scsi_cfg1 |= (~asc_dvc->cfg->termination & 0xF0);

	/*
	 * Clear BIG_ENDIAN, DIS_TERM_DRV, Terminator Polarity and HVD/LVD/SE
	 * bits and set possibly modified termination control bits in the
	 * Microcode SCSI_CFG1 Register Value.
	 */
	scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL & ~HVD_LVD_SE);

	/*
	 * Set SCSI_CFG1 Microcode Default Value
	 *
	 * Set possibly modified termination control and reset DIS_TERM_DRV
	 * bits in the Microcode SCSI_CFG1 Register Value.
	 *
	 * The microcode will set the SCSI_CFG1 register using this value
	 * after it is started below.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);

	/*
	 * Set MEM_CFG Microcode Default Value
	 *
	 * The microcode will set the MEM_CFG register using this value
	 * after it is started below.
	 *
	 * MEM_CFG may be accessed as a word or byte, but only bits 0-7
	 * are defined.
	 *
	 * ASC-38C0800 has 16KB internal memory.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
			 BIOS_EN | RAM_SZ_16KB);

	/*
	 * Set SEL_MASK Microcode Default Value
	 *
	 * The microcode will set the SEL_MASK register using this value
	 * after it is started below.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
			 ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));

	AdvBuildCarrierFreelist(asc_dvc);

	/*
	 * Set-up the Host->RISC Initiator Command Queue (ICQ).
	 */

	asc_dvc->icq_sp = adv_get_next_carrier(asc_dvc);
	if (!asc_dvc->icq_sp) {
		ASC_DBG(0, "Failed to get ICQ carrier\n");
		asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
		return ADV_ERROR;
	}

	/*
	 * Set RISC ICQ physical address start value.
	 * carr_pa is LE, must be native before write
	 */
	AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);

	/*
	 * Set-up the RISC->Host Initiator Response Queue (IRQ).
	 */
	asc_dvc->irq_sp = adv_get_next_carrier(asc_dvc);
	if (!asc_dvc->irq_sp) {
		ASC_DBG(0, "Failed to get IRQ carrier\n");
		asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
		return ADV_ERROR;
	}

	/*
	 * Set RISC IRQ physical address start value.
	 *
	 * carr_pa is LE, must be native before write *
	 */
	AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
	asc_dvc->carr_pending_cnt = 0;

	AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
			     (ADV_INTR_ENABLE_HOST_INTR |
			      ADV_INTR_ENABLE_GLOBAL_INTR));

	AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
	AdvWriteWordRegister(iop_base, IOPW_PC, word);

	/* finally, finally, gentlemen, start your engine */
	AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);

	/*
	 * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
	 * Resets should be performed. The RISC has to be running
	 * to issue a SCSI Bus Reset.
	 */
	if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
		/*
		 * If the BIOS Signature is present in memory, restore the
		 * BIOS Handshake Configuration Table and do not perform
		 * a SCSI Bus Reset.
		 */
		if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
		    0x55AA) {
			/*
			 * Restore per TID negotiated values.
			 */
			AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
			AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
			AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
					 tagqng_able);
			for (tid = 0; tid <= ADV_MAX_TID; tid++) {
				AdvWriteByteLram(iop_base,
						 ASC_MC_NUMBER_OF_MAX_CMD + tid,
						 max_cmd[tid]);
			}
		} else {
			if (AdvResetSB(asc_dvc) != ADV_TRUE) {
				warn_code = ASC_WARN_BUSRESET_ERROR;
			}
		}
	}

	return warn_code;
}

/*
 * Initialize the ASC-38C1600.
 *
 * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
 *
 * For a non-fatal error return a warning code. If there are no warnings
 * then 0 is returned.
 *
 * Needed after initialization for error recovery.
 */
static int AdvInitAsc38C1600Driver(ADV_DVC_VAR *asc_dvc)
{
	const struct firmware *fw;
	const char fwname[] = "advansys/38C1600.bin";
	AdvPortAddr iop_base;
	ushort warn_code;
	int begin_addr;
	int end_addr;
	ushort code_sum;
	long word;
	int i;
	int err;
	unsigned long chksum;
	ushort scsi_cfg1;
	uchar byte;
	uchar tid;
	ushort bios_mem[ASC_MC_BIOSLEN / 2];	/* BIOS RISC Memory 0x40-0x8F. */
	ushort wdtr_able, sdtr_able, ppr_able, tagqng_able;
	uchar max_cmd[ASC_MAX_TID + 1];

	/* If there is already an error, don't continue. */
	if (asc_dvc->err_code != 0) {
		return ADV_ERROR;
	}

	/*
	 * The caller must set 'chip_type' to ADV_CHIP_ASC38C1600.
	 */
	if (asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
		asc_dvc->err_code = ASC_IERR_BAD_CHIPTYPE;
		return ADV_ERROR;
	}

	warn_code = 0;
	iop_base = asc_dvc->iop_base;

	/*
	 * Save the RISC memory BIOS region before writing the microcode.
	 * The BIOS may already be loaded and using its RISC LRAM region
	 * so its region must be saved and restored.
	 *
	 * Note: This code makes the assumption, which is currently true,
	 * that a chip reset does not clear RISC LRAM.
	 */
	for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
		AdvReadWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
				bios_mem[i]);
	}

	/*
	 * Save current per TID negotiated values.
	 */
	AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
	AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
	AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
	AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
	for (tid = 0; tid <= ASC_MAX_TID; tid++) {
		AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
				max_cmd[tid]);
	}

	/*
	 * RAM BIST (Built-In Self Test)
	 *
	 * Address : I/O base + offset 0x38h register (byte).
	 * Function: Bit 7-6(RW) : RAM mode
	 *                          Normal Mode   : 0x00
	 *                          Pre-test Mode : 0x40
	 *                          RAM Test Mode : 0x80
	 *           Bit 5       : unused
	 *           Bit 4(RO)   : Done bit
	 *           Bit 3-0(RO) : Status
	 *                          Host Error    : 0x08
	 *                          Int_RAM Error : 0x04
	 *                          RISC Error    : 0x02
	 *                          SCSI Error    : 0x01
	 *                          No Error      : 0x00
	 *
	 * Note: RAM BIST code should be put right here, before loading the
	 * microcode and after saving the RISC memory BIOS region.
	 */

	/*
	 * LRAM Pre-test
	 *
	 * Write PRE_TEST_MODE (0x40) to register and wait for 10 milliseconds.
	 * If Done bit not set or low nibble not PRE_TEST_VALUE (0x05), return
	 * an error. Reset to NORMAL_MODE (0x00) and do again. If cannot reset
	 * to NORMAL_MODE, return an error too.
	 */
	for (i = 0; i < 2; i++) {
		AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, PRE_TEST_MODE);
		mdelay(10);	/* Wait for 10ms before reading back. */
		byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
		if ((byte & RAM_TEST_DONE) == 0
		    || (byte & 0x0F) != PRE_TEST_VALUE) {
			asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
			return ADV_ERROR;
		}

		AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);
		mdelay(10);	/* Wait for 10ms before reading back. */
		if (AdvReadByteRegister(iop_base, IOPB_RAM_BIST)
		    != NORMAL_VALUE) {
			asc_dvc->err_code = ASC_IERR_BIST_PRE_TEST;
			return ADV_ERROR;
		}
	}

	/*
	 * LRAM Test - It takes about 1.5 ms to run through the test.
	 *
	 * Write RAM_TEST_MODE (0x80) to register and wait for 10 milliseconds.
	 * If Done bit not set or Status not 0, save register byte, set the
	 * err_code, and return an error.
	 */
	AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, RAM_TEST_MODE);
	mdelay(10);	/* Wait for 10ms before checking status. */

	byte = AdvReadByteRegister(iop_base, IOPB_RAM_BIST);
	if ((byte & RAM_TEST_DONE) == 0 || (byte & RAM_TEST_STATUS) != 0) {
		/* Get here if Done bit not set or Status not 0. */
		asc_dvc->bist_err_code = byte;	/* for BIOS display message */
		asc_dvc->err_code = ASC_IERR_BIST_RAM_TEST;
		return ADV_ERROR;
	}

	/* We need to reset back to normal mode after LRAM test passes. */
	AdvWriteByteRegister(iop_base, IOPB_RAM_BIST, NORMAL_MODE);

	err = request_firmware(&fw, fwname, asc_dvc->drv_ptr->dev);
	if (err) {
		printk(KERN_ERR "Failed to load image \"%s\" err %d\n",
		       fwname, err);
		asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
		return err;
	}
	if (fw->size < 4) {
		printk(KERN_ERR "Bogus length %zu in image \"%s\"\n",
		       fw->size, fwname);
		release_firmware(fw);
		asc_dvc->err_code = ASC_IERR_MCODE_CHKSUM;
		return -EINVAL;
	}
	chksum = (fw->data[3] << 24) | (fw->data[2] << 16) |
		 (fw->data[1] << 8) | fw->data[0];
	asc_dvc->err_code = AdvLoadMicrocode(iop_base, &fw->data[4],
					     fw->size - 4, ADV_38C1600_MEMSIZE,
					     chksum);
	release_firmware(fw);
	if (asc_dvc->err_code)
		return ADV_ERROR;

	/*
	 * Restore the RISC memory BIOS region.
	 */
	for (i = 0; i < ASC_MC_BIOSLEN / 2; i++) {
		AdvWriteWordLram(iop_base, ASC_MC_BIOSMEM + (2 * i),
				 bios_mem[i]);
	}

	/*
	 * Calculate and write the microcode code checksum to the microcode
	 * code checksum location ASC_MC_CODE_CHK_SUM (0x2C).
	 */
	AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, begin_addr);
	AdvReadWordLram(iop_base, ASC_MC_CODE_END_ADDR, end_addr);
	code_sum = 0;
	AdvWriteWordRegister(iop_base, IOPW_RAM_ADDR, begin_addr);
	for (word = begin_addr; word < end_addr; word += 2) {
		code_sum += AdvReadWordAutoIncLram(iop_base);
	}
	AdvWriteWordLram(iop_base, ASC_MC_CODE_CHK_SUM, code_sum);

	/*
	 * Read microcode version and date.
	 */
	AdvReadWordLram(iop_base, ASC_MC_VERSION_DATE,
			asc_dvc->cfg->mcode_date);
	AdvReadWordLram(iop_base, ASC_MC_VERSION_NUM,
			asc_dvc->cfg->mcode_version);

	/*
	 * Set the chip type to indicate the ASC38C1600.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_CHIP_TYPE, ADV_CHIP_ASC38C1600);

	/*
	 * Write 1 to bit 14 'DIS_TERM_DRV' in the SCSI_CFG1 register.
	 * When DIS_TERM_DRV set to 1, C_DET[3:0] will reflect current
	 * cable detection and then we are able to read C_DET[3:0].
	 *
	 * Note: We will reset DIS_TERM_DRV to 0 in the 'Set SCSI_CFG1
	 * Microcode Default Value' section below.
	 */
	scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);
	AdvWriteWordRegister(iop_base, IOPW_SCSI_CFG1,
			     scsi_cfg1 | DIS_TERM_DRV);

	/*
	 * If the PCI Configuration Command Register "Parity Error Response
	 * Control" Bit was clear (0), then set the microcode variable
	 * 'control_flag' CONTROL_FLAG_IGNORE_PERR flag to tell the microcode
	 * to ignore DMA parity errors.
	 */
	if (asc_dvc->cfg->control_flag & CONTROL_FLAG_IGNORE_PERR) {
		AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
		word |= CONTROL_FLAG_IGNORE_PERR;
		AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
	}

	/*
	 * If the BIOS control flag AIPP (Asynchronous Information
	 * Phase Protection) disable bit is not set, then set the firmware
	 * 'control_flag' CONTROL_FLAG_ENABLE_AIPP bit to enable
	 * AIPP checking and encoding.
	 */
	if ((asc_dvc->bios_ctrl & BIOS_CTRL_AIPP_DIS) == 0) {
		AdvReadWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
		word |= CONTROL_FLAG_ENABLE_AIPP;
		AdvWriteWordLram(iop_base, ASC_MC_CONTROL_FLAG, word);
	}

	/*
	 * For ASC-38C1600 use DMA_CFG0 default values: FIFO_THRESH_80B [6:4],
	 * and START_CTL_TH [3:2].
	 */
	AdvWriteByteRegister(iop_base, IOPB_DMA_CFG0,
			     FIFO_THRESH_80B | START_CTL_TH | READ_CMD_MRM);

	/*
	 * Microcode operating variables for WDTR, SDTR, and command tag
	 * queuing will be set in slave_configure() based on what a
	 * device reports it is capable of in Inquiry byte 7.
	 *
	 * If SCSI Bus Resets have been disabled, then directly set
	 * SDTR and WDTR from the EEPROM configuration. This will allow
	 * the BIOS and warm boot to work without a SCSI bus hang on
	 * the Inquiry caused by host and target mismatched DTR values.
	 * Without the SCSI Bus Reset, before an Inquiry a device can't
	 * be assumed to be in Asynchronous, Narrow mode.
	 */
	if ((asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) == 0) {
		AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE,
				 asc_dvc->wdtr_able);
		AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE,
				 asc_dvc->sdtr_able);
	}

	/*
	 * Set microcode operating variables for DISC and SDTR_SPEED1,
	 * SDTR_SPEED2, SDTR_SPEED3, and SDTR_SPEED4 based on the EEPROM
	 * configuration values.
	 *
	 * The SDTR per TID bitmask overrides the SDTR_SPEED1, SDTR_SPEED2,
	 * SDTR_SPEED3, and SDTR_SPEED4 values so it is safe to set them
	 * without determining here whether the device supports SDTR.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DISC_ENABLE,
			 asc_dvc->cfg->disc_enable);
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED1, asc_dvc->sdtr_speed1);
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED2, asc_dvc->sdtr_speed2);
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED3, asc_dvc->sdtr_speed3);
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_SPEED4, asc_dvc->sdtr_speed4);

	/*
	 * Set SCSI_CFG0 Microcode Default Value.
	 *
	 * The microcode will set the SCSI_CFG0 register using this value
	 * after it is started below.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG0,
			 PARITY_EN | QUEUE_128 | SEL_TMO_LONG | OUR_ID_EN |
			 asc_dvc->chip_scsi_id);

	/*
	 * Calculate SCSI_CFG1 Microcode Default Value.
	 *
	 * The microcode will set the SCSI_CFG1 register using this value
	 * after it is started below.
	 *
	 * Each ASC-38C1600 function has only two cable detect bits.
	 * The bus mode override bits are in IOPB_SOFT_OVER_WR.
	 */
	scsi_cfg1 = AdvReadWordRegister(iop_base, IOPW_SCSI_CFG1);

	/*
	 * If the cable is reversed all of the SCSI_CTRL register signals
	 * will be set. Check for and return an error if this condition is
	 * found.
	 */
	if ((AdvReadWordRegister(iop_base, IOPW_SCSI_CTRL) & 0x3F07) == 0x3F07) {
		asc_dvc->err_code |= ASC_IERR_REVERSED_CABLE;
		return ADV_ERROR;
	}

	/*
	 * Each ASC-38C1600 function has two connectors. Only an HVD device
	 * can not be connected to either connector. An LVD device or SE device
	 * may be connected to either connecor. If an SE device is connected,
	 * then at most Ultra speed (20 Mhz) can be used on both connectors.
	 *
	 * If an HVD device is attached, return an error.
	 */
	if (scsi_cfg1 & HVD) {
		asc_dvc->err_code |= ASC_IERR_HVD_DEVICE;
		return ADV_ERROR;
	}

	/*
	 * Each function in the ASC-38C1600 uses only the SE cable detect and
	 * termination because there are two connectors for each function. Each
	 * function may use either LVD or SE mode. Corresponding the SE automatic
	 * termination control EEPROM bits are used for each function. Each
	 * function has its own EEPROM. If SE automatic control is enabled for
	 * the function, then set the termination value based on a table listed
	 * in a_condor.h.
	 *
	 * If manual termination is specified in the EEPROM for the function,
	 * then 'termination' was set-up in AscInitFrom38C1600EEPROM() and is
	 * ready to be 'ored' into SCSI_CFG1.
	 */
	if ((asc_dvc->cfg->termination & TERM_SE) == 0) {
		struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
		/* SE automatic termination control is enabled. */
		switch (scsi_cfg1 & C_DET_SE) {
			/* TERM_SE_HI: on, TERM_SE_LO: on */
		case 0x1:
		case 0x2:
		case 0x3:
			asc_dvc->cfg->termination |= TERM_SE;
			break;

		case 0x0:
			if (PCI_FUNC(pdev->devfn) == 0) {
				/* Function 0 - TERM_SE_HI: off, TERM_SE_LO: off */
			} else {
				/* Function 1 - TERM_SE_HI: on, TERM_SE_LO: off */
				asc_dvc->cfg->termination |= TERM_SE_HI;
			}
			break;
		}
	}

	/*
	 * Clear any set TERM_SE bits.
	 */
	scsi_cfg1 &= ~TERM_SE;

	/*
	 * Invert the TERM_SE bits and then set 'scsi_cfg1'.
	 */
	scsi_cfg1 |= (~asc_dvc->cfg->termination & TERM_SE);

	/*
	 * Clear Big Endian and Terminator Polarity bits and set possibly
	 * modified termination control bits in the Microcode SCSI_CFG1
	 * Register Value.
	 *
	 * Big Endian bit is not used even on big endian machines.
	 */
	scsi_cfg1 &= (~BIG_ENDIAN & ~DIS_TERM_DRV & ~TERM_POL);

	/*
	 * Set SCSI_CFG1 Microcode Default Value
	 *
	 * Set possibly modified termination control bits in the Microcode
	 * SCSI_CFG1 Register Value.
	 *
	 * The microcode will set the SCSI_CFG1 register using this value
	 * after it is started below.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SCSI_CFG1, scsi_cfg1);

	/*
	 * Set MEM_CFG Microcode Default Value
	 *
	 * The microcode will set the MEM_CFG register using this value
	 * after it is started below.
	 *
	 * MEM_CFG may be accessed as a word or byte, but only bits 0-7
	 * are defined.
	 *
	 * ASC-38C1600 has 32KB internal memory.
	 *
	 * XXX - Since ASC38C1600 Rev.3 has a Local RAM failure issue, we come
	 * out a special 16K Adv Library and Microcode version. After the issue
	 * resolved, we should turn back to the 32K support. Both a_condor.h and
	 * mcode.sas files also need to be updated.
	 *
	 * AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
	 *  BIOS_EN | RAM_SZ_32KB);
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_MEM_CFG,
			 BIOS_EN | RAM_SZ_16KB);

	/*
	 * Set SEL_MASK Microcode Default Value
	 *
	 * The microcode will set the SEL_MASK register using this value
	 * after it is started below.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_DEFAULT_SEL_MASK,
			 ADV_TID_TO_TIDMASK(asc_dvc->chip_scsi_id));

	AdvBuildCarrierFreelist(asc_dvc);

	/*
	 * Set-up the Host->RISC Initiator Command Queue (ICQ).
	 */
	asc_dvc->icq_sp = adv_get_next_carrier(asc_dvc);
	if (!asc_dvc->icq_sp) {
		asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
		return ADV_ERROR;
	}

	/*
	 * Set RISC ICQ physical address start value. Initialize the
	 * COMMA register to the same value otherwise the RISC will
	 * prematurely detect a command is available.
	 */
	AdvWriteDWordLramNoSwap(iop_base, ASC_MC_ICQ, asc_dvc->icq_sp->carr_pa);
	AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
			      le32_to_cpu(asc_dvc->icq_sp->carr_pa));

	/*
	 * Set-up the RISC->Host Initiator Response Queue (IRQ).
	 */
	asc_dvc->irq_sp = adv_get_next_carrier(asc_dvc);
	if (!asc_dvc->irq_sp) {
		asc_dvc->err_code |= ASC_IERR_NO_CARRIER;
		return ADV_ERROR;
	}

	/*
	 * Set RISC IRQ physical address start value.
	 */
	AdvWriteDWordLramNoSwap(iop_base, ASC_MC_IRQ, asc_dvc->irq_sp->carr_pa);
	asc_dvc->carr_pending_cnt = 0;

	AdvWriteByteRegister(iop_base, IOPB_INTR_ENABLES,
			     (ADV_INTR_ENABLE_HOST_INTR |
			      ADV_INTR_ENABLE_GLOBAL_INTR));
	AdvReadWordLram(iop_base, ASC_MC_CODE_BEGIN_ADDR, word);
	AdvWriteWordRegister(iop_base, IOPW_PC, word);

	/* finally, finally, gentlemen, start your engine */
	AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_RUN);

	/*
	 * Reset the SCSI Bus if the EEPROM indicates that SCSI Bus
	 * Resets should be performed. The RISC has to be running
	 * to issue a SCSI Bus Reset.
	 */
	if (asc_dvc->bios_ctrl & BIOS_CTRL_RESET_SCSI_BUS) {
		/*
		 * If the BIOS Signature is present in memory, restore the
		 * per TID microcode operating variables.
		 */
		if (bios_mem[(ASC_MC_BIOS_SIGNATURE - ASC_MC_BIOSMEM) / 2] ==
		    0x55AA) {
			/*
			 * Restore per TID negotiated values.
			 */
			AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
			AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
			AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
			AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
					 tagqng_able);
			for (tid = 0; tid <= ASC_MAX_TID; tid++) {
				AdvWriteByteLram(iop_base,
						 ASC_MC_NUMBER_OF_MAX_CMD + tid,
						 max_cmd[tid]);
			}
		} else {
			if (AdvResetSB(asc_dvc) != ADV_TRUE) {
				warn_code = ASC_WARN_BUSRESET_ERROR;
			}
		}
	}

	return warn_code;
}

/*
 * Reset chip and SCSI Bus.
 *
 * Return Value:
 *      ADV_TRUE(1) -   Chip re-initialization and SCSI Bus Reset successful.
 *      ADV_FALSE(0) -  Chip re-initialization and SCSI Bus Reset failure.
 */
static int AdvResetChipAndSB(ADV_DVC_VAR *asc_dvc)
{
	int status;
	ushort wdtr_able, sdtr_able, tagqng_able;
	ushort ppr_able = 0;
	uchar tid, max_cmd[ADV_MAX_TID + 1];
	AdvPortAddr iop_base;
	ushort bios_sig;

	iop_base = asc_dvc->iop_base;

	/*
	 * Save current per TID negotiated values.
	 */
	AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
	AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
	if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
		AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
	}
	AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
	for (tid = 0; tid <= ADV_MAX_TID; tid++) {
		AdvReadByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
				max_cmd[tid]);
	}

	/*
	 * Force the AdvInitAsc3550/38C0800Driver() function to
	 * perform a SCSI Bus Reset by clearing the BIOS signature word.
	 * The initialization functions assumes a SCSI Bus Reset is not
	 * needed if the BIOS signature word is present.
	 */
	AdvReadWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);
	AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, 0);

	/*
	 * Stop chip and reset it.
	 */
	AdvWriteWordRegister(iop_base, IOPW_RISC_CSR, ADV_RISC_CSR_STOP);
	AdvWriteWordRegister(iop_base, IOPW_CTRL_REG, ADV_CTRL_REG_CMD_RESET);
	mdelay(100);
	AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
			     ADV_CTRL_REG_CMD_WR_IO_REG);

	/*
	 * Reset Adv Library error code, if any, and try
	 * re-initializing the chip.
	 */
	asc_dvc->err_code = 0;
	if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
		status = AdvInitAsc38C1600Driver(asc_dvc);
	} else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
		status = AdvInitAsc38C0800Driver(asc_dvc);
	} else {
		status = AdvInitAsc3550Driver(asc_dvc);
	}

	/* Translate initialization return value to status value. */
	if (status == 0) {
		status = ADV_TRUE;
	} else {
		status = ADV_FALSE;
	}

	/*
	 * Restore the BIOS signature word.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_BIOS_SIGNATURE, bios_sig);

	/*
	 * Restore per TID negotiated values.
	 */
	AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, wdtr_able);
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, sdtr_able);
	if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
		AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, ppr_able);
	}
	AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE, tagqng_able);
	for (tid = 0; tid <= ADV_MAX_TID; tid++) {
		AdvWriteByteLram(iop_base, ASC_MC_NUMBER_OF_MAX_CMD + tid,
				 max_cmd[tid]);
	}

	return status;
}

/*
 * adv_async_callback() - Adv Library asynchronous event callback function.
 */
static void adv_async_callback(ADV_DVC_VAR *adv_dvc_varp, uchar code)
{
	switch (code) {
	case ADV_ASYNC_SCSI_BUS_RESET_DET:
		/*
		 * The firmware detected a SCSI Bus reset.
		 */
		ASC_DBG(0, "ADV_ASYNC_SCSI_BUS_RESET_DET\n");
		break;

	case ADV_ASYNC_RDMA_FAILURE:
		/*
		 * Handle RDMA failure by resetting the SCSI Bus and
		 * possibly the chip if it is unresponsive. Log the error
		 * with a unique code.
		 */
		ASC_DBG(0, "ADV_ASYNC_RDMA_FAILURE\n");
		AdvResetChipAndSB(adv_dvc_varp);
		break;

	case ADV_HOST_SCSI_BUS_RESET:
		/*
		 * Host generated SCSI bus reset occurred.
		 */
		ASC_DBG(0, "ADV_HOST_SCSI_BUS_RESET\n");
		break;

	default:
		ASC_DBG(0, "unknown code 0x%x\n", code);
		break;
	}
}

/*
 * adv_isr_callback() - Second Level Interrupt Handler called by AdvISR().
 *
 * Callback function for the Wide SCSI Adv Library.
 */
static void adv_isr_callback(ADV_DVC_VAR *adv_dvc_varp, ADV_SCSI_REQ_Q *scsiqp)
{
	struct asc_board *boardp = adv_dvc_varp->drv_ptr;
	adv_req_t *reqp;
	adv_sgblk_t *sgblkp;
	struct scsi_cmnd *scp;
	u32 resid_cnt;
	dma_addr_t sense_addr;

	ASC_DBG(1, "adv_dvc_varp 0x%p, scsiqp 0x%p\n",
		adv_dvc_varp, scsiqp);
	ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);

	/*
	 * Get the adv_req_t structure for the command that has been
	 * completed. The adv_req_t structure actually contains the
	 * completed ADV_SCSI_REQ_Q structure.
	 */
	scp = scsi_host_find_tag(boardp->shost, scsiqp->srb_tag);

	ASC_DBG(1, "scp 0x%p\n", scp);
	if (scp == NULL) {
		ASC_PRINT
		    ("adv_isr_callback: scp is NULL; adv_req_t dropped.\n");
		return;
	}
	ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);

	reqp = (adv_req_t *)scp->host_scribble;
	ASC_DBG(1, "reqp 0x%lx\n", (ulong)reqp);
	if (reqp == NULL) {
		ASC_PRINT("adv_isr_callback: reqp is NULL\n");
		return;
	}
	/*
	 * Remove backreferences to avoid duplicate
	 * command completions.
	 */
	scp->host_scribble = NULL;
	reqp->cmndp = NULL;

	ASC_STATS(boardp->shost, callback);
	ASC_DBG(1, "shost 0x%p\n", boardp->shost);

	sense_addr = le32_to_cpu(scsiqp->sense_addr);
	dma_unmap_single(boardp->dev, sense_addr,
			 SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);

	/*
	 * 'done_status' contains the command's ending status.
	 */
	switch (scsiqp->done_status) {
	case QD_NO_ERROR:
		ASC_DBG(2, "QD_NO_ERROR\n");
		scp->result = 0;

		/*
		 * Check for an underrun condition.
		 *
		 * If there was no error and an underrun condition, then
		 * then return the number of underrun bytes.
		 */
		resid_cnt = le32_to_cpu(scsiqp->data_cnt);
		if (scsi_bufflen(scp) != 0 && resid_cnt != 0 &&
		    resid_cnt <= scsi_bufflen(scp)) {
			ASC_DBG(1, "underrun condition %lu bytes\n",
				 (ulong)resid_cnt);
			scsi_set_resid(scp, resid_cnt);
		}
		break;

	case QD_WITH_ERROR:
		ASC_DBG(2, "QD_WITH_ERROR\n");
		switch (scsiqp->host_status) {
		case QHSTA_NO_ERROR:
			if (scsiqp->scsi_status == SAM_STAT_CHECK_CONDITION) {
				ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
				ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
						  SCSI_SENSE_BUFFERSIZE);
				/*
				 * Note: The 'status_byte()' macro used by
				 * target drivers defined in scsi.h shifts the
				 * status byte returned by host drivers right
				 * by 1 bit.  This is why target drivers also
				 * use right shifted status byte definitions.
				 * For instance target drivers use
				 * CHECK_CONDITION, defined to 0x1, instead of
				 * the SCSI defined check condition value of
				 * 0x2. Host drivers are supposed to return
				 * the status byte as it is defined by SCSI.
				 */
				scp->result = DRIVER_BYTE(DRIVER_SENSE) |
				    STATUS_BYTE(scsiqp->scsi_status);
			} else {
				scp->result = STATUS_BYTE(scsiqp->scsi_status);
			}
			break;

		default:
			/* Some other QHSTA error occurred. */
			ASC_DBG(1, "host_status 0x%x\n", scsiqp->host_status);
			scp->result = HOST_BYTE(DID_BAD_TARGET);
			break;
		}
		break;

	case QD_ABORTED_BY_HOST:
		ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
		scp->result =
		    HOST_BYTE(DID_ABORT) | STATUS_BYTE(scsiqp->scsi_status);
		break;

	default:
		ASC_DBG(1, "done_status 0x%x\n", scsiqp->done_status);
		scp->result =
		    HOST_BYTE(DID_ERROR) | STATUS_BYTE(scsiqp->scsi_status);
		break;
	}

	/*
	 * If the 'init_tidmask' bit isn't already set for the target and the
	 * current request finished normally, then set the bit for the target
	 * to indicate that a device is present.
	 */
	if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
	    scsiqp->done_status == QD_NO_ERROR &&
	    scsiqp->host_status == QHSTA_NO_ERROR) {
		boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
	}

	asc_scsi_done(scp);

	/*
	 * Free all 'adv_sgblk_t' structures allocated for the request.
	 */
	while ((sgblkp = reqp->sgblkp) != NULL) {
		/* Remove 'sgblkp' from the request list. */
		reqp->sgblkp = sgblkp->next_sgblkp;

		dma_pool_free(boardp->adv_sgblk_pool, sgblkp,
			      sgblkp->sg_addr);
	}

	ASC_DBG(1, "done\n");
}

/*
 * Adv Library Interrupt Service Routine
 *
 *  This function is called by a driver's interrupt service routine.
 *  The function disables and re-enables interrupts.
 *
 *  When a microcode idle command is completed, the ADV_DVC_VAR
 *  'idle_cmd_done' field is set to ADV_TRUE.
 *
 *  Note: AdvISR() can be called when interrupts are disabled or even
 *  when there is no hardware interrupt condition present. It will
 *  always check for completed idle commands and microcode requests.
 *  This is an important feature that shouldn't be changed because it
 *  allows commands to be completed from polling mode loops.
 *
 * Return:
 *   ADV_TRUE(1) - interrupt was pending
 *   ADV_FALSE(0) - no interrupt was pending
 */
static int AdvISR(ADV_DVC_VAR *asc_dvc)
{
	AdvPortAddr iop_base;
	uchar int_stat;
	ushort target_bit;
	ADV_CARR_T *free_carrp;
	__le32 irq_next_vpa;
	ADV_SCSI_REQ_Q *scsiq;
	adv_req_t *reqp;

	iop_base = asc_dvc->iop_base;

	/* Reading the register clears the interrupt. */
	int_stat = AdvReadByteRegister(iop_base, IOPB_INTR_STATUS_REG);

	if ((int_stat & (ADV_INTR_STATUS_INTRA | ADV_INTR_STATUS_INTRB |
			 ADV_INTR_STATUS_INTRC)) == 0) {
		return ADV_FALSE;
	}

	/*
	 * Notify the driver of an asynchronous microcode condition by
	 * calling the adv_async_callback function. The function
	 * is passed the microcode ASC_MC_INTRB_CODE byte value.
	 */
	if (int_stat & ADV_INTR_STATUS_INTRB) {
		uchar intrb_code;

		AdvReadByteLram(iop_base, ASC_MC_INTRB_CODE, intrb_code);

		if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
		    asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
			if (intrb_code == ADV_ASYNC_CARRIER_READY_FAILURE &&
			    asc_dvc->carr_pending_cnt != 0) {
				AdvWriteByteRegister(iop_base, IOPB_TICKLE,
						     ADV_TICKLE_A);
				if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
					AdvWriteByteRegister(iop_base,
							     IOPB_TICKLE,
							     ADV_TICKLE_NOP);
				}
			}
		}

		adv_async_callback(asc_dvc, intrb_code);
	}

	/*
	 * Check if the IRQ stopper carrier contains a completed request.
	 */
	while (((irq_next_vpa =
		 le32_to_cpu(asc_dvc->irq_sp->next_vpa)) & ADV_RQ_DONE) != 0) {
		/*
		 * Get a pointer to the newly completed ADV_SCSI_REQ_Q structure.
		 * The RISC will have set 'areq_vpa' to a virtual address.
		 *
		 * The firmware will have copied the ADV_SCSI_REQ_Q.scsiq_ptr
		 * field to the carrier ADV_CARR_T.areq_vpa field. The conversion
		 * below complements the conversion of ADV_SCSI_REQ_Q.scsiq_ptr'
		 * in AdvExeScsiQueue().
		 */
		u32 pa_offset = le32_to_cpu(asc_dvc->irq_sp->areq_vpa);
		ASC_DBG(1, "irq_sp %p areq_vpa %u\n",
			asc_dvc->irq_sp, pa_offset);
		reqp = adv_get_reqp(asc_dvc, pa_offset);
		scsiq = &reqp->scsi_req_q;

		/*
		 * Request finished with good status and the queue was not
		 * DMAed to host memory by the firmware. Set all status fields
		 * to indicate good status.
		 */
		if ((irq_next_vpa & ADV_RQ_GOOD) != 0) {
			scsiq->done_status = QD_NO_ERROR;
			scsiq->host_status = scsiq->scsi_status = 0;
			scsiq->data_cnt = 0L;
		}

		/*
		 * Advance the stopper pointer to the next carrier
		 * ignoring the lower four bits. Free the previous
		 * stopper carrier.
		 */
		free_carrp = asc_dvc->irq_sp;
		asc_dvc->irq_sp = adv_get_carrier(asc_dvc,
						  ADV_GET_CARRP(irq_next_vpa));

		free_carrp->next_vpa = asc_dvc->carr_freelist->carr_va;
		asc_dvc->carr_freelist = free_carrp;
		asc_dvc->carr_pending_cnt--;

		target_bit = ADV_TID_TO_TIDMASK(scsiq->target_id);

		/*
		 * Clear request microcode control flag.
		 */
		scsiq->cntl = 0;

		/*
		 * Notify the driver of the completed request by passing
		 * the ADV_SCSI_REQ_Q pointer to its callback function.
		 */
		adv_isr_callback(asc_dvc, scsiq);
		/*
		 * Note: After the driver callback function is called, 'scsiq'
		 * can no longer be referenced.
		 *
		 * Fall through and continue processing other completed
		 * requests...
		 */
	}
	return ADV_TRUE;
}

static int AscSetLibErrorCode(ASC_DVC_VAR *asc_dvc, ushort err_code)
{
	if (asc_dvc->err_code == 0) {
		asc_dvc->err_code = err_code;
		AscWriteLramWord(asc_dvc->iop_base, ASCV_ASCDVC_ERR_CODE_W,
				 err_code);
	}
	return err_code;
}

static void AscAckInterrupt(PortAddr iop_base)
{
	uchar host_flag;
	uchar risc_flag;
	ushort loop;

	loop = 0;
	do {
		risc_flag = AscReadLramByte(iop_base, ASCV_RISC_FLAG_B);
		if (loop++ > 0x7FFF) {
			break;
		}
	} while ((risc_flag & ASC_RISC_FLAG_GEN_INT) != 0);
	host_flag =
	    AscReadLramByte(iop_base,
			    ASCV_HOST_FLAG_B) & (~ASC_HOST_FLAG_ACK_INT);
	AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
			 (uchar)(host_flag | ASC_HOST_FLAG_ACK_INT));
	AscSetChipStatus(iop_base, CIW_INT_ACK);
	loop = 0;
	while (AscGetChipStatus(iop_base) & CSW_INT_PENDING) {
		AscSetChipStatus(iop_base, CIW_INT_ACK);
		if (loop++ > 3) {
			break;
		}
	}
	AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
}

static uchar AscGetSynPeriodIndex(ASC_DVC_VAR *asc_dvc, uchar syn_time)
{
	const uchar *period_table;
	int max_index;
	int min_index;
	int i;

	period_table = asc_dvc->sdtr_period_tbl;
	max_index = (int)asc_dvc->max_sdtr_index;
	min_index = (int)asc_dvc->min_sdtr_index;
	if ((syn_time <= period_table[max_index])) {
		for (i = min_index; i < (max_index - 1); i++) {
			if (syn_time <= period_table[i]) {
				return (uchar)i;
			}
		}
		return (uchar)max_index;
	} else {
		return (uchar)(max_index + 1);
	}
}

static uchar
AscMsgOutSDTR(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar sdtr_offset)
{
	PortAddr iop_base = asc_dvc->iop_base;
	uchar sdtr_period_index = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
	EXT_MSG sdtr_buf = {
		.msg_type = EXTENDED_MESSAGE,
		.msg_len = MS_SDTR_LEN,
		.msg_req = EXTENDED_SDTR,
		.xfer_period = sdtr_period,
		.req_ack_offset = sdtr_offset,
	};
	sdtr_offset &= ASC_SYN_MAX_OFFSET;

	if (sdtr_period_index <= asc_dvc->max_sdtr_index) {
		AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
					(uchar *)&sdtr_buf,
					sizeof(EXT_MSG) >> 1);
		return ((sdtr_period_index << 4) | sdtr_offset);
	} else {
		sdtr_buf.req_ack_offset = 0;
		AscMemWordCopyPtrToLram(iop_base, ASCV_MSGOUT_BEG,
					(uchar *)&sdtr_buf,
					sizeof(EXT_MSG) >> 1);
		return 0;
	}
}

static uchar
AscCalSDTRData(ASC_DVC_VAR *asc_dvc, uchar sdtr_period, uchar syn_offset)
{
	uchar byte;
	uchar sdtr_period_ix;

	sdtr_period_ix = AscGetSynPeriodIndex(asc_dvc, sdtr_period);
	if (sdtr_period_ix > asc_dvc->max_sdtr_index)
		return 0xFF;
	byte = (sdtr_period_ix << 4) | (syn_offset & ASC_SYN_MAX_OFFSET);
	return byte;
}

static bool AscSetChipSynRegAtID(PortAddr iop_base, uchar id, uchar sdtr_data)
{
	ASC_SCSI_BIT_ID_TYPE org_id;
	int i;
	bool sta = true;

	AscSetBank(iop_base, 1);
	org_id = AscReadChipDvcID(iop_base);
	for (i = 0; i <= ASC_MAX_TID; i++) {
		if (org_id == (0x01 << i))
			break;
	}
	org_id = (ASC_SCSI_BIT_ID_TYPE) i;
	AscWriteChipDvcID(iop_base, id);
	if (AscReadChipDvcID(iop_base) == (0x01 << id)) {
		AscSetBank(iop_base, 0);
		AscSetChipSyn(iop_base, sdtr_data);
		if (AscGetChipSyn(iop_base) != sdtr_data) {
			sta = false;
		}
	} else {
		sta = false;
	}
	AscSetBank(iop_base, 1);
	AscWriteChipDvcID(iop_base, org_id);
	AscSetBank(iop_base, 0);
	return (sta);
}

static void AscSetChipSDTR(PortAddr iop_base, uchar sdtr_data, uchar tid_no)
{
	AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
	AscPutMCodeSDTRDoneAtID(iop_base, tid_no, sdtr_data);
}

static void AscIsrChipHalted(ASC_DVC_VAR *asc_dvc)
{
	EXT_MSG ext_msg;
	EXT_MSG out_msg;
	ushort halt_q_addr;
	bool sdtr_accept;
	ushort int_halt_code;
	ASC_SCSI_BIT_ID_TYPE scsi_busy;
	ASC_SCSI_BIT_ID_TYPE target_id;
	PortAddr iop_base;
	uchar tag_code;
	uchar q_status;
	uchar halt_qp;
	uchar sdtr_data;
	uchar target_ix;
	uchar q_cntl, tid_no;
	uchar cur_dvc_qng;
	uchar asyn_sdtr;
	uchar scsi_status;
	struct asc_board *boardp;

	BUG_ON(!asc_dvc->drv_ptr);
	boardp = asc_dvc->drv_ptr;

	iop_base = asc_dvc->iop_base;
	int_halt_code = AscReadLramWord(iop_base, ASCV_HALTCODE_W);

	halt_qp = AscReadLramByte(iop_base, ASCV_CURCDB_B);
	halt_q_addr = ASC_QNO_TO_QADDR(halt_qp);
	target_ix = AscReadLramByte(iop_base,
				    (ushort)(halt_q_addr +
					     (ushort)ASC_SCSIQ_B_TARGET_IX));
	q_cntl = AscReadLramByte(iop_base,
			    (ushort)(halt_q_addr + (ushort)ASC_SCSIQ_B_CNTL));
	tid_no = ASC_TIX_TO_TID(target_ix);
	target_id = (uchar)ASC_TID_TO_TARGET_ID(tid_no);
	if (asc_dvc->pci_fix_asyn_xfer & target_id) {
		asyn_sdtr = ASYN_SDTR_DATA_FIX_PCI_REV_AB;
	} else {
		asyn_sdtr = 0;
	}
	if (int_halt_code == ASC_HALT_DISABLE_ASYN_USE_SYN_FIX) {
		if (asc_dvc->pci_fix_asyn_xfer & target_id) {
			AscSetChipSDTR(iop_base, 0, tid_no);
			boardp->sdtr_data[tid_no] = 0;
		}
		AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
		return;
	} else if (int_halt_code == ASC_HALT_ENABLE_ASYN_USE_SYN_FIX) {
		if (asc_dvc->pci_fix_asyn_xfer & target_id) {
			AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
			boardp->sdtr_data[tid_no] = asyn_sdtr;
		}
		AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
		return;
	} else if (int_halt_code == ASC_HALT_EXTMSG_IN) {
		AscMemWordCopyPtrFromLram(iop_base,
					  ASCV_MSGIN_BEG,
					  (uchar *)&ext_msg,
					  sizeof(EXT_MSG) >> 1);

		if (ext_msg.msg_type == EXTENDED_MESSAGE &&
		    ext_msg.msg_req == EXTENDED_SDTR &&
		    ext_msg.msg_len == MS_SDTR_LEN) {
			sdtr_accept = true;
			if ((ext_msg.req_ack_offset > ASC_SYN_MAX_OFFSET)) {

				sdtr_accept = false;
				ext_msg.req_ack_offset = ASC_SYN_MAX_OFFSET;
			}
			if ((ext_msg.xfer_period <
			     asc_dvc->sdtr_period_tbl[asc_dvc->min_sdtr_index])
			    || (ext_msg.xfer_period >
				asc_dvc->sdtr_period_tbl[asc_dvc->
							 max_sdtr_index])) {
				sdtr_accept = false;
				ext_msg.xfer_period =
				    asc_dvc->sdtr_period_tbl[asc_dvc->
							     min_sdtr_index];
			}
			if (sdtr_accept) {
				sdtr_data =
				    AscCalSDTRData(asc_dvc, ext_msg.xfer_period,
						   ext_msg.req_ack_offset);
				if (sdtr_data == 0xFF) {

					q_cntl |= QC_MSG_OUT;
					asc_dvc->init_sdtr &= ~target_id;
					asc_dvc->sdtr_done &= ~target_id;
					AscSetChipSDTR(iop_base, asyn_sdtr,
						       tid_no);
					boardp->sdtr_data[tid_no] = asyn_sdtr;
				}
			}
			if (ext_msg.req_ack_offset == 0) {

				q_cntl &= ~QC_MSG_OUT;
				asc_dvc->init_sdtr &= ~target_id;
				asc_dvc->sdtr_done &= ~target_id;
				AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
			} else {
				if (sdtr_accept && (q_cntl & QC_MSG_OUT)) {
					q_cntl &= ~QC_MSG_OUT;
					asc_dvc->sdtr_done |= target_id;
					asc_dvc->init_sdtr |= target_id;
					asc_dvc->pci_fix_asyn_xfer &=
					    ~target_id;
					sdtr_data =
					    AscCalSDTRData(asc_dvc,
							   ext_msg.xfer_period,
							   ext_msg.
							   req_ack_offset);
					AscSetChipSDTR(iop_base, sdtr_data,
						       tid_no);
					boardp->sdtr_data[tid_no] = sdtr_data;
				} else {
					q_cntl |= QC_MSG_OUT;
					AscMsgOutSDTR(asc_dvc,
						      ext_msg.xfer_period,
						      ext_msg.req_ack_offset);
					asc_dvc->pci_fix_asyn_xfer &=
					    ~target_id;
					sdtr_data =
					    AscCalSDTRData(asc_dvc,
							   ext_msg.xfer_period,
							   ext_msg.
							   req_ack_offset);
					AscSetChipSDTR(iop_base, sdtr_data,
						       tid_no);
					boardp->sdtr_data[tid_no] = sdtr_data;
					asc_dvc->sdtr_done |= target_id;
					asc_dvc->init_sdtr |= target_id;
				}
			}

			AscWriteLramByte(iop_base,
					 (ushort)(halt_q_addr +
						  (ushort)ASC_SCSIQ_B_CNTL),
					 q_cntl);
			AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
			return;
		} else if (ext_msg.msg_type == EXTENDED_MESSAGE &&
			   ext_msg.msg_req == EXTENDED_WDTR &&
			   ext_msg.msg_len == MS_WDTR_LEN) {

			ext_msg.wdtr_width = 0;
			AscMemWordCopyPtrToLram(iop_base,
						ASCV_MSGOUT_BEG,
						(uchar *)&ext_msg,
						sizeof(EXT_MSG) >> 1);
			q_cntl |= QC_MSG_OUT;
			AscWriteLramByte(iop_base,
					 (ushort)(halt_q_addr +
						  (ushort)ASC_SCSIQ_B_CNTL),
					 q_cntl);
			AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
			return;
		} else {

			ext_msg.msg_type = MESSAGE_REJECT;
			AscMemWordCopyPtrToLram(iop_base,
						ASCV_MSGOUT_BEG,
						(uchar *)&ext_msg,
						sizeof(EXT_MSG) >> 1);
			q_cntl |= QC_MSG_OUT;
			AscWriteLramByte(iop_base,
					 (ushort)(halt_q_addr +
						  (ushort)ASC_SCSIQ_B_CNTL),
					 q_cntl);
			AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
			return;
		}
	} else if (int_halt_code == ASC_HALT_CHK_CONDITION) {

		q_cntl |= QC_REQ_SENSE;

		if ((asc_dvc->init_sdtr & target_id) != 0) {

			asc_dvc->sdtr_done &= ~target_id;

			sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
			q_cntl |= QC_MSG_OUT;
			AscMsgOutSDTR(asc_dvc,
				      asc_dvc->
				      sdtr_period_tbl[(sdtr_data >> 4) &
						      (uchar)(asc_dvc->
							      max_sdtr_index -
							      1)],
				      (uchar)(sdtr_data & (uchar)
					      ASC_SYN_MAX_OFFSET));
		}

		AscWriteLramByte(iop_base,
				 (ushort)(halt_q_addr +
					  (ushort)ASC_SCSIQ_B_CNTL), q_cntl);

		tag_code = AscReadLramByte(iop_base,
					   (ushort)(halt_q_addr + (ushort)
						    ASC_SCSIQ_B_TAG_CODE));
		tag_code &= 0xDC;
		if ((asc_dvc->pci_fix_asyn_xfer & target_id)
		    && !(asc_dvc->pci_fix_asyn_xfer_always & target_id)
		    ) {

			tag_code |= (ASC_TAG_FLAG_DISABLE_DISCONNECT
				     | ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX);

		}
		AscWriteLramByte(iop_base,
				 (ushort)(halt_q_addr +
					  (ushort)ASC_SCSIQ_B_TAG_CODE),
				 tag_code);

		q_status = AscReadLramByte(iop_base,
					   (ushort)(halt_q_addr + (ushort)
						    ASC_SCSIQ_B_STATUS));
		q_status |= (QS_READY | QS_BUSY);
		AscWriteLramByte(iop_base,
				 (ushort)(halt_q_addr +
					  (ushort)ASC_SCSIQ_B_STATUS),
				 q_status);

		scsi_busy = AscReadLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B);
		scsi_busy &= ~target_id;
		AscWriteLramByte(iop_base, (ushort)ASCV_SCSIBUSY_B, scsi_busy);

		AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
		return;
	} else if (int_halt_code == ASC_HALT_SDTR_REJECTED) {

		AscMemWordCopyPtrFromLram(iop_base,
					  ASCV_MSGOUT_BEG,
					  (uchar *)&out_msg,
					  sizeof(EXT_MSG) >> 1);

		if ((out_msg.msg_type == EXTENDED_MESSAGE) &&
		    (out_msg.msg_len == MS_SDTR_LEN) &&
		    (out_msg.msg_req == EXTENDED_SDTR)) {

			asc_dvc->init_sdtr &= ~target_id;
			asc_dvc->sdtr_done &= ~target_id;
			AscSetChipSDTR(iop_base, asyn_sdtr, tid_no);
			boardp->sdtr_data[tid_no] = asyn_sdtr;
		}
		q_cntl &= ~QC_MSG_OUT;
		AscWriteLramByte(iop_base,
				 (ushort)(halt_q_addr +
					  (ushort)ASC_SCSIQ_B_CNTL), q_cntl);
		AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
		return;
	} else if (int_halt_code == ASC_HALT_SS_QUEUE_FULL) {

		scsi_status = AscReadLramByte(iop_base,
					      (ushort)((ushort)halt_q_addr +
						       (ushort)
						       ASC_SCSIQ_SCSI_STATUS));
		cur_dvc_qng =
		    AscReadLramByte(iop_base,
				    (ushort)((ushort)ASC_QADR_BEG +
					     (ushort)target_ix));
		if ((cur_dvc_qng > 0) && (asc_dvc->cur_dvc_qng[tid_no] > 0)) {

			scsi_busy = AscReadLramByte(iop_base,
						    (ushort)ASCV_SCSIBUSY_B);
			scsi_busy |= target_id;
			AscWriteLramByte(iop_base,
					 (ushort)ASCV_SCSIBUSY_B, scsi_busy);
			asc_dvc->queue_full_or_busy |= target_id;

			if (scsi_status == SAM_STAT_TASK_SET_FULL) {
				if (cur_dvc_qng > ASC_MIN_TAGGED_CMD) {
					cur_dvc_qng -= 1;
					asc_dvc->max_dvc_qng[tid_no] =
					    cur_dvc_qng;

					AscWriteLramByte(iop_base,
							 (ushort)((ushort)
								  ASCV_MAX_DVC_QNG_BEG
								  + (ushort)
								  tid_no),
							 cur_dvc_qng);

					/*
					 * Set the device queue depth to the
					 * number of active requests when the
					 * QUEUE FULL condition was encountered.
					 */
					boardp->queue_full |= target_id;
					boardp->queue_full_cnt[tid_no] =
					    cur_dvc_qng;
				}
			}
		}
		AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0);
		return;
	}
	return;
}

/*
 * void
 * DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
 *
 * Calling/Exit State:
 *    none
 *
 * Description:
 *     Input an ASC_QDONE_INFO structure from the chip
 */
static void
DvcGetQinfo(PortAddr iop_base, ushort s_addr, uchar *inbuf, int words)
{
	int i;
	ushort word;

	AscSetChipLramAddr(iop_base, s_addr);
	for (i = 0; i < 2 * words; i += 2) {
		if (i == 10) {
			continue;
		}
		word = inpw(iop_base + IOP_RAM_DATA);
		inbuf[i] = word & 0xff;
		inbuf[i + 1] = (word >> 8) & 0xff;
	}
	ASC_DBG_PRT_HEX(2, "DvcGetQinfo", inbuf, 2 * words);
}

static uchar
_AscCopyLramScsiDoneQ(PortAddr iop_base,
		      ushort q_addr,
		      ASC_QDONE_INFO *scsiq, unsigned int max_dma_count)
{
	ushort _val;
	uchar sg_queue_cnt;

	DvcGetQinfo(iop_base,
		    q_addr + ASC_SCSIQ_DONE_INFO_BEG,
		    (uchar *)scsiq,
		    (sizeof(ASC_SCSIQ_2) + sizeof(ASC_SCSIQ_3)) / 2);

	_val = AscReadLramWord(iop_base,
			       (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS));
	scsiq->q_status = (uchar)_val;
	scsiq->q_no = (uchar)(_val >> 8);
	_val = AscReadLramWord(iop_base,
			       (ushort)(q_addr + (ushort)ASC_SCSIQ_B_CNTL));
	scsiq->cntl = (uchar)_val;
	sg_queue_cnt = (uchar)(_val >> 8);
	_val = AscReadLramWord(iop_base,
			       (ushort)(q_addr +
					(ushort)ASC_SCSIQ_B_SENSE_LEN));
	scsiq->sense_len = (uchar)_val;
	scsiq->extra_bytes = (uchar)(_val >> 8);

	/*
	 * Read high word of remain bytes from alternate location.
	 */
	scsiq->remain_bytes = (((u32)AscReadLramWord(iop_base,
						     (ushort)(q_addr +
							      (ushort)
							      ASC_SCSIQ_W_ALT_DC1)))
			       << 16);
	/*
	 * Read low word of remain bytes from original location.
	 */
	scsiq->remain_bytes += AscReadLramWord(iop_base,
					       (ushort)(q_addr + (ushort)
							ASC_SCSIQ_DW_REMAIN_XFER_CNT));

	scsiq->remain_bytes &= max_dma_count;
	return sg_queue_cnt;
}

/*
 * asc_isr_callback() - Second Level Interrupt Handler called by AscISR().
 *
 * Interrupt callback function for the Narrow SCSI Asc Library.
 */
static void asc_isr_callback(ASC_DVC_VAR *asc_dvc_varp, ASC_QDONE_INFO *qdonep)
{
	struct asc_board *boardp = asc_dvc_varp->drv_ptr;
	u32 srb_tag;
	struct scsi_cmnd *scp;

	ASC_DBG(1, "asc_dvc_varp 0x%p, qdonep 0x%p\n", asc_dvc_varp, qdonep);
	ASC_DBG_PRT_ASC_QDONE_INFO(2, qdonep);

	/*
	 * Decrease the srb_tag by 1 to find the SCSI command
	 */
	srb_tag = qdonep->d2.srb_tag - 1;
	scp = scsi_host_find_tag(boardp->shost, srb_tag);
	if (!scp)
		return;

	ASC_DBG_PRT_CDB(2, scp->cmnd, scp->cmd_len);

	ASC_STATS(boardp->shost, callback);

	dma_unmap_single(boardp->dev, scp->SCp.dma_handle,
			 SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
	/*
	 * 'qdonep' contains the command's ending status.
	 */
	switch (qdonep->d3.done_stat) {
	case QD_NO_ERROR:
		ASC_DBG(2, "QD_NO_ERROR\n");
		scp->result = 0;

		/*
		 * Check for an underrun condition.
		 *
		 * If there was no error and an underrun condition, then
		 * return the number of underrun bytes.
		 */
		if (scsi_bufflen(scp) != 0 && qdonep->remain_bytes != 0 &&
		    qdonep->remain_bytes <= scsi_bufflen(scp)) {
			ASC_DBG(1, "underrun condition %u bytes\n",
				 (unsigned)qdonep->remain_bytes);
			scsi_set_resid(scp, qdonep->remain_bytes);
		}
		break;

	case QD_WITH_ERROR:
		ASC_DBG(2, "QD_WITH_ERROR\n");
		switch (qdonep->d3.host_stat) {
		case QHSTA_NO_ERROR:
			if (qdonep->d3.scsi_stat == SAM_STAT_CHECK_CONDITION) {
				ASC_DBG(2, "SAM_STAT_CHECK_CONDITION\n");
				ASC_DBG_PRT_SENSE(2, scp->sense_buffer,
						  SCSI_SENSE_BUFFERSIZE);
				/*
				 * Note: The 'status_byte()' macro used by
				 * target drivers defined in scsi.h shifts the
				 * status byte returned by host drivers right
				 * by 1 bit.  This is why target drivers also
				 * use right shifted status byte definitions.
				 * For instance target drivers use
				 * CHECK_CONDITION, defined to 0x1, instead of
				 * the SCSI defined check condition value of
				 * 0x2. Host drivers are supposed to return
				 * the status byte as it is defined by SCSI.
				 */
				scp->result = DRIVER_BYTE(DRIVER_SENSE) |
				    STATUS_BYTE(qdonep->d3.scsi_stat);
			} else {
				scp->result = STATUS_BYTE(qdonep->d3.scsi_stat);
			}
			break;

		default:
			/* QHSTA error occurred */
			ASC_DBG(1, "host_stat 0x%x\n", qdonep->d3.host_stat);
			scp->result = HOST_BYTE(DID_BAD_TARGET);
			break;
		}
		break;

	case QD_ABORTED_BY_HOST:
		ASC_DBG(1, "QD_ABORTED_BY_HOST\n");
		scp->result =
		    HOST_BYTE(DID_ABORT) | MSG_BYTE(qdonep->d3.
						    scsi_msg) |
		    STATUS_BYTE(qdonep->d3.scsi_stat);
		break;

	default:
		ASC_DBG(1, "done_stat 0x%x\n", qdonep->d3.done_stat);
		scp->result =
		    HOST_BYTE(DID_ERROR) | MSG_BYTE(qdonep->d3.
						    scsi_msg) |
		    STATUS_BYTE(qdonep->d3.scsi_stat);
		break;
	}

	/*
	 * If the 'init_tidmask' bit isn't already set for the target and the
	 * current request finished normally, then set the bit for the target
	 * to indicate that a device is present.
	 */
	if ((boardp->init_tidmask & ADV_TID_TO_TIDMASK(scp->device->id)) == 0 &&
	    qdonep->d3.done_stat == QD_NO_ERROR &&
	    qdonep->d3.host_stat == QHSTA_NO_ERROR) {
		boardp->init_tidmask |= ADV_TID_TO_TIDMASK(scp->device->id);
	}

	asc_scsi_done(scp);
}

static int AscIsrQDone(ASC_DVC_VAR *asc_dvc)
{
	uchar next_qp;
	uchar n_q_used;
	uchar sg_list_qp;
	uchar sg_queue_cnt;
	uchar q_cnt;
	uchar done_q_tail;
	uchar tid_no;
	ASC_SCSI_BIT_ID_TYPE scsi_busy;
	ASC_SCSI_BIT_ID_TYPE target_id;
	PortAddr iop_base;
	ushort q_addr;
	ushort sg_q_addr;
	uchar cur_target_qng;
	ASC_QDONE_INFO scsiq_buf;
	ASC_QDONE_INFO *scsiq;
	bool false_overrun;

	iop_base = asc_dvc->iop_base;
	n_q_used = 1;
	scsiq = (ASC_QDONE_INFO *)&scsiq_buf;
	done_q_tail = (uchar)AscGetVarDoneQTail(iop_base);
	q_addr = ASC_QNO_TO_QADDR(done_q_tail);
	next_qp = AscReadLramByte(iop_base,
				  (ushort)(q_addr + (ushort)ASC_SCSIQ_B_FWD));
	if (next_qp != ASC_QLINK_END) {
		AscPutVarDoneQTail(iop_base, next_qp);
		q_addr = ASC_QNO_TO_QADDR(next_qp);
		sg_queue_cnt = _AscCopyLramScsiDoneQ(iop_base, q_addr, scsiq,
						     asc_dvc->max_dma_count);
		AscWriteLramByte(iop_base,
				 (ushort)(q_addr +
					  (ushort)ASC_SCSIQ_B_STATUS),
				 (uchar)(scsiq->
					 q_status & (uchar)~(QS_READY |
							     QS_ABORTED)));
		tid_no = ASC_TIX_TO_TID(scsiq->d2.target_ix);
		target_id = ASC_TIX_TO_TARGET_ID(scsiq->d2.target_ix);
		if ((scsiq->cntl & QC_SG_HEAD) != 0) {
			sg_q_addr = q_addr;
			sg_list_qp = next_qp;
			for (q_cnt = 0; q_cnt < sg_queue_cnt; q_cnt++) {
				sg_list_qp = AscReadLramByte(iop_base,
							     (ushort)(sg_q_addr
								      + (ushort)
								      ASC_SCSIQ_B_FWD));
				sg_q_addr = ASC_QNO_TO_QADDR(sg_list_qp);
				if (sg_list_qp == ASC_QLINK_END) {
					AscSetLibErrorCode(asc_dvc,
							   ASCQ_ERR_SG_Q_LINKS);
					scsiq->d3.done_stat = QD_WITH_ERROR;
					scsiq->d3.host_stat =
					    QHSTA_D_QDONE_SG_LIST_CORRUPTED;
					goto FATAL_ERR_QDONE;
				}
				AscWriteLramByte(iop_base,
						 (ushort)(sg_q_addr + (ushort)
							  ASC_SCSIQ_B_STATUS),
						 QS_FREE);
			}
			n_q_used = sg_queue_cnt + 1;
			AscPutVarDoneQTail(iop_base, sg_list_qp);
		}
		if (asc_dvc->queue_full_or_busy & target_id) {
			cur_target_qng = AscReadLramByte(iop_base,
							 (ushort)((ushort)
								  ASC_QADR_BEG
								  + (ushort)
								  scsiq->d2.
								  target_ix));
			if (cur_target_qng < asc_dvc->max_dvc_qng[tid_no]) {
				scsi_busy = AscReadLramByte(iop_base, (ushort)
							    ASCV_SCSIBUSY_B);
				scsi_busy &= ~target_id;
				AscWriteLramByte(iop_base,
						 (ushort)ASCV_SCSIBUSY_B,
						 scsi_busy);
				asc_dvc->queue_full_or_busy &= ~target_id;
			}
		}
		if (asc_dvc->cur_total_qng >= n_q_used) {
			asc_dvc->cur_total_qng -= n_q_used;
			if (asc_dvc->cur_dvc_qng[tid_no] != 0) {
				asc_dvc->cur_dvc_qng[tid_no]--;
			}
		} else {
			AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CUR_QNG);
			scsiq->d3.done_stat = QD_WITH_ERROR;
			goto FATAL_ERR_QDONE;
		}
		if ((scsiq->d2.srb_tag == 0UL) ||
		    ((scsiq->q_status & QS_ABORTED) != 0)) {
			return (0x11);
		} else if (scsiq->q_status == QS_DONE) {
			/*
			 * This is also curious.
			 * false_overrun will _always_ be set to 'false'
			 */
			false_overrun = false;
			if (scsiq->extra_bytes != 0) {
				scsiq->remain_bytes += scsiq->extra_bytes;
			}
			if (scsiq->d3.done_stat == QD_WITH_ERROR) {
				if (scsiq->d3.host_stat ==
				    QHSTA_M_DATA_OVER_RUN) {
					if ((scsiq->
					     cntl & (QC_DATA_IN | QC_DATA_OUT))
					    == 0) {
						scsiq->d3.done_stat =
						    QD_NO_ERROR;
						scsiq->d3.host_stat =
						    QHSTA_NO_ERROR;
					} else if (false_overrun) {
						scsiq->d3.done_stat =
						    QD_NO_ERROR;
						scsiq->d3.host_stat =
						    QHSTA_NO_ERROR;
					}
				} else if (scsiq->d3.host_stat ==
					   QHSTA_M_HUNG_REQ_SCSI_BUS_RESET) {
					AscStopChip(iop_base);
					AscSetChipControl(iop_base,
							  (uchar)(CC_SCSI_RESET
								  | CC_HALT));
					udelay(60);
					AscSetChipControl(iop_base, CC_HALT);
					AscSetChipStatus(iop_base,
							 CIW_CLR_SCSI_RESET_INT);
					AscSetChipStatus(iop_base, 0);
					AscSetChipControl(iop_base, 0);
				}
			}
			if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
				asc_isr_callback(asc_dvc, scsiq);
			} else {
				if ((AscReadLramByte(iop_base,
						     (ushort)(q_addr + (ushort)
							      ASC_SCSIQ_CDB_BEG))
				     == START_STOP)) {
					asc_dvc->unit_not_ready &= ~target_id;
					if (scsiq->d3.done_stat != QD_NO_ERROR) {
						asc_dvc->start_motor &=
						    ~target_id;
					}
				}
			}
			return (1);
		} else {
			AscSetLibErrorCode(asc_dvc, ASCQ_ERR_Q_STATUS);
 FATAL_ERR_QDONE:
			if ((scsiq->cntl & QC_NO_CALLBACK) == 0) {
				asc_isr_callback(asc_dvc, scsiq);
			}
			return (0x80);
		}
	}
	return (0);
}

static int AscISR(ASC_DVC_VAR *asc_dvc)
{
	ASC_CS_TYPE chipstat;
	PortAddr iop_base;
	ushort saved_ram_addr;
	uchar ctrl_reg;
	uchar saved_ctrl_reg;
	int int_pending;
	int status;
	uchar host_flag;

	iop_base = asc_dvc->iop_base;
	int_pending = ASC_FALSE;

	if (AscIsIntPending(iop_base) == 0)
		return int_pending;

	if ((asc_dvc->init_state & ASC_INIT_STATE_END_LOAD_MC) == 0) {
		return ASC_ERROR;
	}
	if (asc_dvc->in_critical_cnt != 0) {
		AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_ON_CRITICAL);
		return ASC_ERROR;
	}
	if (asc_dvc->is_in_int) {
		AscSetLibErrorCode(asc_dvc, ASCQ_ERR_ISR_RE_ENTRY);
		return ASC_ERROR;
	}
	asc_dvc->is_in_int = true;
	ctrl_reg = AscGetChipControl(iop_base);
	saved_ctrl_reg = ctrl_reg & (~(CC_SCSI_RESET | CC_CHIP_RESET |
				       CC_SINGLE_STEP | CC_DIAG | CC_TEST));
	chipstat = AscGetChipStatus(iop_base);
	if (chipstat & CSW_SCSI_RESET_LATCH) {
		if (!(asc_dvc->bus_type & (ASC_IS_VL | ASC_IS_EISA))) {
			int i = 10;
			int_pending = ASC_TRUE;
			asc_dvc->sdtr_done = 0;
			saved_ctrl_reg &= (uchar)(~CC_HALT);
			while ((AscGetChipStatus(iop_base) &
				CSW_SCSI_RESET_ACTIVE) && (i-- > 0)) {
				mdelay(100);
			}
			AscSetChipControl(iop_base, (CC_CHIP_RESET | CC_HALT));
			AscSetChipControl(iop_base, CC_HALT);
			AscSetChipStatus(iop_base, CIW_CLR_SCSI_RESET_INT);
			AscSetChipStatus(iop_base, 0);
			chipstat = AscGetChipStatus(iop_base);
		}
	}
	saved_ram_addr = AscGetChipLramAddr(iop_base);
	host_flag = AscReadLramByte(iop_base,
				    ASCV_HOST_FLAG_B) &
	    (uchar)(~ASC_HOST_FLAG_IN_ISR);
	AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B,
			 (uchar)(host_flag | (uchar)ASC_HOST_FLAG_IN_ISR));
	if ((chipstat & CSW_INT_PENDING) || (int_pending)) {
		AscAckInterrupt(iop_base);
		int_pending = ASC_TRUE;
		if ((chipstat & CSW_HALTED) && (ctrl_reg & CC_SINGLE_STEP)) {
			AscIsrChipHalted(asc_dvc);
			saved_ctrl_reg &= (uchar)(~CC_HALT);
		} else {
			if ((asc_dvc->dvc_cntl & ASC_CNTL_INT_MULTI_Q) != 0) {
				while (((status =
					 AscIsrQDone(asc_dvc)) & 0x01) != 0) {
				}
			} else {
				do {
					if ((status =
					     AscIsrQDone(asc_dvc)) == 1) {
						break;
					}
				} while (status == 0x11);
			}
			if ((status & 0x80) != 0)
				int_pending = ASC_ERROR;
		}
	}
	AscWriteLramByte(iop_base, ASCV_HOST_FLAG_B, host_flag);
	AscSetChipLramAddr(iop_base, saved_ram_addr);
	AscSetChipControl(iop_base, saved_ctrl_reg);
	asc_dvc->is_in_int = false;
	return int_pending;
}

/*
 * advansys_reset()
 *
 * Reset the host associated with the command 'scp'.
 *
 * This function runs its own thread. Interrupts must be blocked but
 * sleeping is allowed and no locking other than for host structures is
 * required. Returns SUCCESS or FAILED.
 */
static int advansys_reset(struct scsi_cmnd *scp)
{
	struct Scsi_Host *shost = scp->device->host;
	struct asc_board *boardp = shost_priv(shost);
	unsigned long flags;
	int status;
	int ret = SUCCESS;

	ASC_DBG(1, "0x%p\n", scp);

	ASC_STATS(shost, reset);

	scmd_printk(KERN_INFO, scp, "SCSI host reset started...\n");

	if (ASC_NARROW_BOARD(boardp)) {
		ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;

		/* Reset the chip and SCSI bus. */
		ASC_DBG(1, "before AscInitAsc1000Driver()\n");
		status = AscInitAsc1000Driver(asc_dvc);

		/* Refer to ASC_IERR_* definitions for meaning of 'err_code'. */
		if (asc_dvc->err_code || !asc_dvc->overrun_dma) {
			scmd_printk(KERN_INFO, scp, "SCSI host reset error: "
				    "0x%x, status: 0x%x\n", asc_dvc->err_code,
				    status);
			ret = FAILED;
		} else if (status) {
			scmd_printk(KERN_INFO, scp, "SCSI host reset warning: "
				    "0x%x\n", status);
		} else {
			scmd_printk(KERN_INFO, scp, "SCSI host reset "
				    "successful\n");
		}

		ASC_DBG(1, "after AscInitAsc1000Driver()\n");
	} else {
		/*
		 * If the suggest reset bus flags are set, then reset the bus.
		 * Otherwise only reset the device.
		 */
		ADV_DVC_VAR *adv_dvc = &boardp->dvc_var.adv_dvc_var;

		/*
		 * Reset the chip and SCSI bus.
		 */
		ASC_DBG(1, "before AdvResetChipAndSB()\n");
		switch (AdvResetChipAndSB(adv_dvc)) {
		case ASC_TRUE:
			scmd_printk(KERN_INFO, scp, "SCSI host reset "
				    "successful\n");
			break;
		case ASC_FALSE:
		default:
			scmd_printk(KERN_INFO, scp, "SCSI host reset error\n");
			ret = FAILED;
			break;
		}
		spin_lock_irqsave(shost->host_lock, flags);
		AdvISR(adv_dvc);
		spin_unlock_irqrestore(shost->host_lock, flags);
	}

	ASC_DBG(1, "ret %d\n", ret);

	return ret;
}

/*
 * advansys_biosparam()
 *
 * Translate disk drive geometry if the "BIOS greater than 1 GB"
 * support is enabled for a drive.
 *
 * ip (information pointer) is an int array with the following definition:
 * ip[0]: heads
 * ip[1]: sectors
 * ip[2]: cylinders
 */
static int
advansys_biosparam(struct scsi_device *sdev, struct block_device *bdev,
		   sector_t capacity, int ip[])
{
	struct asc_board *boardp = shost_priv(sdev->host);

	ASC_DBG(1, "begin\n");
	ASC_STATS(sdev->host, biosparam);
	if (ASC_NARROW_BOARD(boardp)) {
		if ((boardp->dvc_var.asc_dvc_var.dvc_cntl &
		     ASC_CNTL_BIOS_GT_1GB) && capacity > 0x200000) {
			ip[0] = 255;
			ip[1] = 63;
		} else {
			ip[0] = 64;
			ip[1] = 32;
		}
	} else {
		if ((boardp->dvc_var.adv_dvc_var.bios_ctrl &
		     BIOS_CTRL_EXTENDED_XLAT) && capacity > 0x200000) {
			ip[0] = 255;
			ip[1] = 63;
		} else {
			ip[0] = 64;
			ip[1] = 32;
		}
	}
	ip[2] = (unsigned long)capacity / (ip[0] * ip[1]);
	ASC_DBG(1, "end\n");
	return 0;
}

/*
 * First-level interrupt handler.
 *
 * 'dev_id' is a pointer to the interrupting adapter's Scsi_Host.
 */
static irqreturn_t advansys_interrupt(int irq, void *dev_id)
{
	struct Scsi_Host *shost = dev_id;
	struct asc_board *boardp = shost_priv(shost);
	irqreturn_t result = IRQ_NONE;
	unsigned long flags;

	ASC_DBG(2, "boardp 0x%p\n", boardp);
	spin_lock_irqsave(shost->host_lock, flags);
	if (ASC_NARROW_BOARD(boardp)) {
		if (AscIsIntPending(shost->io_port)) {
			result = IRQ_HANDLED;
			ASC_STATS(shost, interrupt);
			ASC_DBG(1, "before AscISR()\n");
			AscISR(&boardp->dvc_var.asc_dvc_var);
		}
	} else {
		ASC_DBG(1, "before AdvISR()\n");
		if (AdvISR(&boardp->dvc_var.adv_dvc_var)) {
			result = IRQ_HANDLED;
			ASC_STATS(shost, interrupt);
		}
	}
	spin_unlock_irqrestore(shost->host_lock, flags);

	ASC_DBG(1, "end\n");
	return result;
}

static bool AscHostReqRiscHalt(PortAddr iop_base)
{
	int count = 0;
	bool sta = false;
	uchar saved_stop_code;

	if (AscIsChipHalted(iop_base))
		return true;
	saved_stop_code = AscReadLramByte(iop_base, ASCV_STOP_CODE_B);
	AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
			 ASC_STOP_HOST_REQ_RISC_HALT | ASC_STOP_REQ_RISC_STOP);
	do {
		if (AscIsChipHalted(iop_base)) {
			sta = true;
			break;
		}
		mdelay(100);
	} while (count++ < 20);
	AscWriteLramByte(iop_base, ASCV_STOP_CODE_B, saved_stop_code);
	return sta;
}

static bool
AscSetRunChipSynRegAtID(PortAddr iop_base, uchar tid_no, uchar sdtr_data)
{
	bool sta = false;

	if (AscHostReqRiscHalt(iop_base)) {
		sta = AscSetChipSynRegAtID(iop_base, tid_no, sdtr_data);
		AscStartChip(iop_base);
	}
	return sta;
}

static void AscAsyncFix(ASC_DVC_VAR *asc_dvc, struct scsi_device *sdev)
{
	char type = sdev->type;
	ASC_SCSI_BIT_ID_TYPE tid_bits = 1 << sdev->id;

	if (!(asc_dvc->bug_fix_cntl & ASC_BUG_FIX_ASYN_USE_SYN))
		return;
	if (asc_dvc->init_sdtr & tid_bits)
		return;

	if ((type == TYPE_ROM) && (strncmp(sdev->vendor, "HP ", 3) == 0))
		asc_dvc->pci_fix_asyn_xfer_always |= tid_bits;

	asc_dvc->pci_fix_asyn_xfer |= tid_bits;
	if ((type == TYPE_PROCESSOR) || (type == TYPE_SCANNER) ||
	    (type == TYPE_ROM) || (type == TYPE_TAPE))
		asc_dvc->pci_fix_asyn_xfer &= ~tid_bits;

	if (asc_dvc->pci_fix_asyn_xfer & tid_bits)
		AscSetRunChipSynRegAtID(asc_dvc->iop_base, sdev->id,
					ASYN_SDTR_DATA_FIX_PCI_REV_AB);
}

static void
advansys_narrow_slave_configure(struct scsi_device *sdev, ASC_DVC_VAR *asc_dvc)
{
	ASC_SCSI_BIT_ID_TYPE tid_bit = 1 << sdev->id;
	ASC_SCSI_BIT_ID_TYPE orig_use_tagged_qng = asc_dvc->use_tagged_qng;

	if (sdev->lun == 0) {
		ASC_SCSI_BIT_ID_TYPE orig_init_sdtr = asc_dvc->init_sdtr;
		if ((asc_dvc->cfg->sdtr_enable & tid_bit) && sdev->sdtr) {
			asc_dvc->init_sdtr |= tid_bit;
		} else {
			asc_dvc->init_sdtr &= ~tid_bit;
		}

		if (orig_init_sdtr != asc_dvc->init_sdtr)
			AscAsyncFix(asc_dvc, sdev);
	}

	if (sdev->tagged_supported) {
		if (asc_dvc->cfg->cmd_qng_enabled & tid_bit) {
			if (sdev->lun == 0) {
				asc_dvc->cfg->can_tagged_qng |= tid_bit;
				asc_dvc->use_tagged_qng |= tid_bit;
			}
			scsi_change_queue_depth(sdev, 
						asc_dvc->max_dvc_qng[sdev->id]);
		}
	} else {
		if (sdev->lun == 0) {
			asc_dvc->cfg->can_tagged_qng &= ~tid_bit;
			asc_dvc->use_tagged_qng &= ~tid_bit;
		}
	}

	if ((sdev->lun == 0) &&
	    (orig_use_tagged_qng != asc_dvc->use_tagged_qng)) {
		AscWriteLramByte(asc_dvc->iop_base, ASCV_DISC_ENABLE_B,
				 asc_dvc->cfg->disc_enable);
		AscWriteLramByte(asc_dvc->iop_base, ASCV_USE_TAGGED_QNG_B,
				 asc_dvc->use_tagged_qng);
		AscWriteLramByte(asc_dvc->iop_base, ASCV_CAN_TAGGED_QNG_B,
				 asc_dvc->cfg->can_tagged_qng);

		asc_dvc->max_dvc_qng[sdev->id] =
					asc_dvc->cfg->max_tag_qng[sdev->id];
		AscWriteLramByte(asc_dvc->iop_base,
				 (ushort)(ASCV_MAX_DVC_QNG_BEG + sdev->id),
				 asc_dvc->max_dvc_qng[sdev->id]);
	}
}

/*
 * Wide Transfers
 *
 * If the EEPROM enabled WDTR for the device and the device supports wide
 * bus (16 bit) transfers, then turn on the device's 'wdtr_able' bit and
 * write the new value to the microcode.
 */
static void
advansys_wide_enable_wdtr(AdvPortAddr iop_base, unsigned short tidmask)
{
	unsigned short cfg_word;
	AdvReadWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);
	if ((cfg_word & tidmask) != 0)
		return;

	cfg_word |= tidmask;
	AdvWriteWordLram(iop_base, ASC_MC_WDTR_ABLE, cfg_word);

	/*
	 * Clear the microcode SDTR and WDTR negotiation done indicators for
	 * the target to cause it to negotiate with the new setting set above.
	 * WDTR when accepted causes the target to enter asynchronous mode, so
	 * SDTR must be negotiated.
	 */
	AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
	cfg_word &= ~tidmask;
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
	AdvReadWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
	cfg_word &= ~tidmask;
	AdvWriteWordLram(iop_base, ASC_MC_WDTR_DONE, cfg_word);
}

/*
 * Synchronous Transfers
 *
 * If the EEPROM enabled SDTR for the device and the device
 * supports synchronous transfers, then turn on the device's
 * 'sdtr_able' bit. Write the new value to the microcode.
 */
static void
advansys_wide_enable_sdtr(AdvPortAddr iop_base, unsigned short tidmask)
{
	unsigned short cfg_word;
	AdvReadWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);
	if ((cfg_word & tidmask) != 0)
		return;

	cfg_word |= tidmask;
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_ABLE, cfg_word);

	/*
	 * Clear the microcode "SDTR negotiation" done indicator for the
	 * target to cause it to negotiate with the new setting set above.
	 */
	AdvReadWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
	cfg_word &= ~tidmask;
	AdvWriteWordLram(iop_base, ASC_MC_SDTR_DONE, cfg_word);
}

/*
 * PPR (Parallel Protocol Request) Capable
 *
 * If the device supports DT mode, then it must be PPR capable.
 * The PPR message will be used in place of the SDTR and WDTR
 * messages to negotiate synchronous speed and offset, transfer
 * width, and protocol options.
 */
static void advansys_wide_enable_ppr(ADV_DVC_VAR *adv_dvc,
				AdvPortAddr iop_base, unsigned short tidmask)
{
	AdvReadWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
	adv_dvc->ppr_able |= tidmask;
	AdvWriteWordLram(iop_base, ASC_MC_PPR_ABLE, adv_dvc->ppr_able);
}

static void
advansys_wide_slave_configure(struct scsi_device *sdev, ADV_DVC_VAR *adv_dvc)
{
	AdvPortAddr iop_base = adv_dvc->iop_base;
	unsigned short tidmask = 1 << sdev->id;

	if (sdev->lun == 0) {
		/*
		 * Handle WDTR, SDTR, and Tag Queuing. If the feature
		 * is enabled in the EEPROM and the device supports the
		 * feature, then enable it in the microcode.
		 */

		if ((adv_dvc->wdtr_able & tidmask) && sdev->wdtr)
			advansys_wide_enable_wdtr(iop_base, tidmask);
		if ((adv_dvc->sdtr_able & tidmask) && sdev->sdtr)
			advansys_wide_enable_sdtr(iop_base, tidmask);
		if (adv_dvc->chip_type == ADV_CHIP_ASC38C1600 && sdev->ppr)
			advansys_wide_enable_ppr(adv_dvc, iop_base, tidmask);

		/*
		 * Tag Queuing is disabled for the BIOS which runs in polled
		 * mode and would see no benefit from Tag Queuing. Also by
		 * disabling Tag Queuing in the BIOS devices with Tag Queuing
		 * bugs will at least work with the BIOS.
		 */
		if ((adv_dvc->tagqng_able & tidmask) &&
		    sdev->tagged_supported) {
			unsigned short cfg_word;
			AdvReadWordLram(iop_base, ASC_MC_TAGQNG_ABLE, cfg_word);
			cfg_word |= tidmask;
			AdvWriteWordLram(iop_base, ASC_MC_TAGQNG_ABLE,
					 cfg_word);
			AdvWriteByteLram(iop_base,
					 ASC_MC_NUMBER_OF_MAX_CMD + sdev->id,
					 adv_dvc->max_dvc_qng);
		}
	}

	if ((adv_dvc->tagqng_able & tidmask) && sdev->tagged_supported)
		scsi_change_queue_depth(sdev, adv_dvc->max_dvc_qng);
}

/*
 * Set the number of commands to queue per device for the
 * specified host adapter.
 */
static int advansys_slave_configure(struct scsi_device *sdev)
{
	struct asc_board *boardp = shost_priv(sdev->host);

	if (ASC_NARROW_BOARD(boardp))
		advansys_narrow_slave_configure(sdev,
						&boardp->dvc_var.asc_dvc_var);
	else
		advansys_wide_slave_configure(sdev,
						&boardp->dvc_var.adv_dvc_var);

	return 0;
}

static __le32 asc_get_sense_buffer_dma(struct scsi_cmnd *scp)
{
	struct asc_board *board = shost_priv(scp->device->host);

	scp->SCp.dma_handle = dma_map_single(board->dev, scp->sense_buffer,
					     SCSI_SENSE_BUFFERSIZE,
					     DMA_FROM_DEVICE);
	if (dma_mapping_error(board->dev, scp->SCp.dma_handle)) {
		ASC_DBG(1, "failed to map sense buffer\n");
		return 0;
	}
	return cpu_to_le32(scp->SCp.dma_handle);
}

static int asc_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
			struct asc_scsi_q *asc_scsi_q)
{
	struct asc_dvc_var *asc_dvc = &boardp->dvc_var.asc_dvc_var;
	int use_sg;
	u32 srb_tag;

	memset(asc_scsi_q, 0, sizeof(*asc_scsi_q));

	/*
	 * Set the srb_tag to the command tag + 1, as
	 * srb_tag '0' is used internally by the chip.
	 */
	srb_tag = scp->request->tag + 1;
	asc_scsi_q->q2.srb_tag = srb_tag;

	/*
	 * Build the ASC_SCSI_Q request.
	 */
	asc_scsi_q->cdbptr = &scp->cmnd[0];
	asc_scsi_q->q2.cdb_len = scp->cmd_len;
	asc_scsi_q->q1.target_id = ASC_TID_TO_TARGET_ID(scp->device->id);
	asc_scsi_q->q1.target_lun = scp->device->lun;
	asc_scsi_q->q2.target_ix =
	    ASC_TIDLUN_TO_IX(scp->device->id, scp->device->lun);
	asc_scsi_q->q1.sense_addr = asc_get_sense_buffer_dma(scp);
	asc_scsi_q->q1.sense_len = SCSI_SENSE_BUFFERSIZE;
	if (!asc_scsi_q->q1.sense_addr)
		return ASC_BUSY;

	/*
	 * If there are any outstanding requests for the current target,
	 * then every 255th request send an ORDERED request. This heuristic
	 * tries to retain the benefit of request sorting while preventing
	 * request starvation. 255 is the max number of tags or pending commands
	 * a device may have outstanding.
	 *
	 * The request count is incremented below for every successfully
	 * started request.
	 *
	 */
	if ((asc_dvc->cur_dvc_qng[scp->device->id] > 0) &&
	    (boardp->reqcnt[scp->device->id] % 255) == 0) {
		asc_scsi_q->q2.tag_code = ORDERED_QUEUE_TAG;
	} else {
		asc_scsi_q->q2.tag_code = SIMPLE_QUEUE_TAG;
	}

	/* Build ASC_SCSI_Q */
	use_sg = scsi_dma_map(scp);
	if (use_sg < 0) {
		ASC_DBG(1, "failed to map sglist\n");
		return ASC_BUSY;
	} else if (use_sg > 0) {
		int sgcnt;
		struct scatterlist *slp;
		struct asc_sg_head *asc_sg_head;

		if (use_sg > scp->device->host->sg_tablesize) {
			scmd_printk(KERN_ERR, scp, "use_sg %d > "
				"sg_tablesize %d\n", use_sg,
				scp->device->host->sg_tablesize);
			scsi_dma_unmap(scp);
			scp->result = HOST_BYTE(DID_ERROR);
			return ASC_ERROR;
		}

		asc_sg_head = kzalloc(sizeof(asc_scsi_q->sg_head) +
			use_sg * sizeof(struct asc_sg_list), GFP_ATOMIC);
		if (!asc_sg_head) {
			scsi_dma_unmap(scp);
			scp->result = HOST_BYTE(DID_SOFT_ERROR);
			return ASC_ERROR;
		}

		asc_scsi_q->q1.cntl |= QC_SG_HEAD;
		asc_scsi_q->sg_head = asc_sg_head;
		asc_scsi_q->q1.data_cnt = 0;
		asc_scsi_q->q1.data_addr = 0;
		/* This is a byte value, otherwise it would need to be swapped. */
		asc_sg_head->entry_cnt = asc_scsi_q->q1.sg_queue_cnt = use_sg;
		ASC_STATS_ADD(scp->device->host, xfer_elem,
			      asc_sg_head->entry_cnt);

		/*
		 * Convert scatter-gather list into ASC_SG_HEAD list.
		 */
		scsi_for_each_sg(scp, slp, use_sg, sgcnt) {
			asc_sg_head->sg_list[sgcnt].addr =
			    cpu_to_le32(sg_dma_address(slp));
			asc_sg_head->sg_list[sgcnt].bytes =
			    cpu_to_le32(sg_dma_len(slp));
			ASC_STATS_ADD(scp->device->host, xfer_sect,
				      DIV_ROUND_UP(sg_dma_len(slp), 512));
		}
	}

	ASC_STATS(scp->device->host, xfer_cnt);

	ASC_DBG_PRT_ASC_SCSI_Q(2, asc_scsi_q);
	ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);

	return ASC_NOERROR;
}

/*
 * Build scatter-gather list for Adv Library (Wide Board).
 *
 * Additional ADV_SG_BLOCK structures will need to be allocated
 * if the total number of scatter-gather elements exceeds
 * NO_OF_SG_PER_BLOCK (15). The ADV_SG_BLOCK structures are
 * assumed to be physically contiguous.
 *
 * Return:
 *      ADV_SUCCESS(1) - SG List successfully created
 *      ADV_ERROR(-1) - SG List creation failed
 */
static int
adv_get_sglist(struct asc_board *boardp, adv_req_t *reqp,
	       ADV_SCSI_REQ_Q *scsiqp, struct scsi_cmnd *scp, int use_sg)
{
	adv_sgblk_t *sgblkp, *prev_sgblkp;
	struct scatterlist *slp;
	int sg_elem_cnt;
	ADV_SG_BLOCK *sg_block, *prev_sg_block;
	dma_addr_t sgblk_paddr;
	int i;

	slp = scsi_sglist(scp);
	sg_elem_cnt = use_sg;
	prev_sgblkp = NULL;
	prev_sg_block = NULL;
	reqp->sgblkp = NULL;

	for (;;) {
		/*
		 * Allocate a 'adv_sgblk_t' structure from the board free
		 * list. One 'adv_sgblk_t' structure holds NO_OF_SG_PER_BLOCK
		 * (15) scatter-gather elements.
		 */
		sgblkp = dma_pool_alloc(boardp->adv_sgblk_pool, GFP_ATOMIC,
					&sgblk_paddr);
		if (!sgblkp) {
			ASC_DBG(1, "no free adv_sgblk_t\n");
			ASC_STATS(scp->device->host, adv_build_nosg);

			/*
			 * Allocation failed. Free 'adv_sgblk_t' structures
			 * already allocated for the request.
			 */
			while ((sgblkp = reqp->sgblkp) != NULL) {
				/* Remove 'sgblkp' from the request list. */
				reqp->sgblkp = sgblkp->next_sgblkp;
				sgblkp->next_sgblkp = NULL;
				dma_pool_free(boardp->adv_sgblk_pool, sgblkp,
					      sgblkp->sg_addr);
			}
			return ASC_BUSY;
		}
		/* Complete 'adv_sgblk_t' board allocation. */
		sgblkp->sg_addr = sgblk_paddr;
		sgblkp->next_sgblkp = NULL;
		sg_block = &sgblkp->sg_block;

		/*
		 * Check if this is the first 'adv_sgblk_t' for the
		 * request.
		 */
		if (reqp->sgblkp == NULL) {
			/* Request's first scatter-gather block. */
			reqp->sgblkp = sgblkp;

			/*
			 * Set ADV_SCSI_REQ_T ADV_SG_BLOCK virtual and physical
			 * address pointers.
			 */
			scsiqp->sg_list_ptr = sg_block;
			scsiqp->sg_real_addr = cpu_to_le32(sgblk_paddr);
		} else {
			/* Request's second or later scatter-gather block. */
			prev_sgblkp->next_sgblkp = sgblkp;

			/*
			 * Point the previous ADV_SG_BLOCK structure to
			 * the newly allocated ADV_SG_BLOCK structure.
			 */
			prev_sg_block->sg_ptr = cpu_to_le32(sgblk_paddr);
		}

		for (i = 0; i < NO_OF_SG_PER_BLOCK; i++) {
			sg_block->sg_list[i].sg_addr =
					cpu_to_le32(sg_dma_address(slp));
			sg_block->sg_list[i].sg_count =
					cpu_to_le32(sg_dma_len(slp));
			ASC_STATS_ADD(scp->device->host, xfer_sect,
				      DIV_ROUND_UP(sg_dma_len(slp), 512));

			if (--sg_elem_cnt == 0) {
				/*
				 * Last ADV_SG_BLOCK and scatter-gather entry.
				 */
				sg_block->sg_cnt = i + 1;
				sg_block->sg_ptr = 0L; /* Last ADV_SG_BLOCK in list. */
				return ADV_SUCCESS;
			}
			slp++;
		}
		sg_block->sg_cnt = NO_OF_SG_PER_BLOCK;
		prev_sg_block = sg_block;
		prev_sgblkp = sgblkp;
	}
}

/*
 * Build a request structure for the Adv Library (Wide Board).
 *
 * If an adv_req_t can not be allocated to issue the request,
 * then return ASC_BUSY. If an error occurs, then return ASC_ERROR.
 *
 * Multi-byte fields in the ADV_SCSI_REQ_Q that are used by the
 * microcode for DMA addresses or math operations are byte swapped
 * to little-endian order.
 */
static int
adv_build_req(struct asc_board *boardp, struct scsi_cmnd *scp,
	      adv_req_t **adv_reqpp)
{
	u32 srb_tag = scp->request->tag;
	adv_req_t *reqp;
	ADV_SCSI_REQ_Q *scsiqp;
	int ret;
	int use_sg;
	dma_addr_t sense_addr;

	/*
	 * Allocate an adv_req_t structure from the board to execute
	 * the command.
	 */
	reqp = &boardp->adv_reqp[srb_tag];
	if (reqp->cmndp && reqp->cmndp != scp ) {
		ASC_DBG(1, "no free adv_req_t\n");
		ASC_STATS(scp->device->host, adv_build_noreq);
		return ASC_BUSY;
	}

	reqp->req_addr = boardp->adv_reqp_addr + (srb_tag * sizeof(adv_req_t));

	scsiqp = &reqp->scsi_req_q;

	/*
	 * Initialize the structure.
	 */
	scsiqp->cntl = scsiqp->scsi_cntl = scsiqp->done_status = 0;

	/*
	 * Set the srb_tag to the command tag.
	 */
	scsiqp->srb_tag = srb_tag;

	/*
	 * Set 'host_scribble' to point to the adv_req_t structure.
	 */
	reqp->cmndp = scp;
	scp->host_scribble = (void *)reqp;

	/*
	 * Build the ADV_SCSI_REQ_Q request.
	 */

	/* Set CDB length and copy it to the request structure.  */
	scsiqp->cdb_len = scp->cmd_len;
	/* Copy first 12 CDB bytes to cdb[]. */
	memcpy(scsiqp->cdb, scp->cmnd, scp->cmd_len < 12 ? scp->cmd_len : 12);
	/* Copy last 4 CDB bytes, if present, to cdb16[]. */
	if (scp->cmd_len > 12) {
		int cdb16_len = scp->cmd_len - 12;

		memcpy(scsiqp->cdb16, &scp->cmnd[12], cdb16_len);
	}

	scsiqp->target_id = scp->device->id;
	scsiqp->target_lun = scp->device->lun;

	sense_addr = dma_map_single(boardp->dev, scp->sense_buffer,
				    SCSI_SENSE_BUFFERSIZE, DMA_FROM_DEVICE);
	if (dma_mapping_error(boardp->dev, sense_addr)) {
		ASC_DBG(1, "failed to map sense buffer\n");
		ASC_STATS(scp->device->host, adv_build_noreq);
		return ASC_BUSY;
	}
	scsiqp->sense_addr = cpu_to_le32(sense_addr);
	scsiqp->sense_len = SCSI_SENSE_BUFFERSIZE;

	/* Build ADV_SCSI_REQ_Q */

	use_sg = scsi_dma_map(scp);
	if (use_sg < 0) {
		ASC_DBG(1, "failed to map SG list\n");
		ASC_STATS(scp->device->host, adv_build_noreq);
		return ASC_BUSY;
	} else if (use_sg == 0) {
		/* Zero-length transfer */
		reqp->sgblkp = NULL;
		scsiqp->data_cnt = 0;

		scsiqp->data_addr = 0;
		scsiqp->sg_list_ptr = NULL;
		scsiqp->sg_real_addr = 0;
	} else {
		if (use_sg > ADV_MAX_SG_LIST) {
			scmd_printk(KERN_ERR, scp, "use_sg %d > "
				   "ADV_MAX_SG_LIST %d\n", use_sg,
				   scp->device->host->sg_tablesize);
			scsi_dma_unmap(scp);
			scp->result = HOST_BYTE(DID_ERROR);
			reqp->cmndp = NULL;
			scp->host_scribble = NULL;

			return ASC_ERROR;
		}

		scsiqp->data_cnt = cpu_to_le32(scsi_bufflen(scp));

		ret = adv_get_sglist(boardp, reqp, scsiqp, scp, use_sg);
		if (ret != ADV_SUCCESS) {
			scsi_dma_unmap(scp);
			scp->result = HOST_BYTE(DID_ERROR);
			reqp->cmndp = NULL;
			scp->host_scribble = NULL;

			return ret;
		}

		ASC_STATS_ADD(scp->device->host, xfer_elem, use_sg);
	}

	ASC_STATS(scp->device->host, xfer_cnt);

	ASC_DBG_PRT_ADV_SCSI_REQ_Q(2, scsiqp);
	ASC_DBG_PRT_CDB(1, scp->cmnd, scp->cmd_len);

	*adv_reqpp = reqp;

	return ASC_NOERROR;
}

static int AscSgListToQueue(int sg_list)
{
	int n_sg_list_qs;

	n_sg_list_qs = ((sg_list - 1) / ASC_SG_LIST_PER_Q);
	if (((sg_list - 1) % ASC_SG_LIST_PER_Q) != 0)
		n_sg_list_qs++;
	return n_sg_list_qs + 1;
}

static uint
AscGetNumOfFreeQueue(ASC_DVC_VAR *asc_dvc, uchar target_ix, uchar n_qs)
{
	uint cur_used_qs;
	uint cur_free_qs;
	ASC_SCSI_BIT_ID_TYPE target_id;
	uchar tid_no;

	target_id = ASC_TIX_TO_TARGET_ID(target_ix);
	tid_no = ASC_TIX_TO_TID(target_ix);
	if ((asc_dvc->unit_not_ready & target_id) ||
	    (asc_dvc->queue_full_or_busy & target_id)) {
		return 0;
	}
	if (n_qs == 1) {
		cur_used_qs = (uint) asc_dvc->cur_total_qng +
		    (uint) asc_dvc->last_q_shortage + (uint) ASC_MIN_FREE_Q;
	} else {
		cur_used_qs = (uint) asc_dvc->cur_total_qng +
		    (uint) ASC_MIN_FREE_Q;
	}
	if ((uint) (cur_used_qs + n_qs) <= (uint) asc_dvc->max_total_qng) {
		cur_free_qs = (uint) asc_dvc->max_total_qng - cur_used_qs;
		if (asc_dvc->cur_dvc_qng[tid_no] >=
		    asc_dvc->max_dvc_qng[tid_no]) {
			return 0;
		}
		return cur_free_qs;
	}
	if (n_qs > 1) {
		if ((n_qs > asc_dvc->last_q_shortage)
		    && (n_qs <= (asc_dvc->max_total_qng - ASC_MIN_FREE_Q))) {
			asc_dvc->last_q_shortage = n_qs;
		}
	}
	return 0;
}

static uchar AscAllocFreeQueue(PortAddr iop_base, uchar free_q_head)
{
	ushort q_addr;
	uchar next_qp;
	uchar q_status;

	q_addr = ASC_QNO_TO_QADDR(free_q_head);
	q_status = (uchar)AscReadLramByte(iop_base,
					  (ushort)(q_addr +
						   ASC_SCSIQ_B_STATUS));
	next_qp = AscReadLramByte(iop_base, (ushort)(q_addr + ASC_SCSIQ_B_FWD));
	if (((q_status & QS_READY) == 0) && (next_qp != ASC_QLINK_END))
		return next_qp;
	return ASC_QLINK_END;
}

static uchar
AscAllocMultipleFreeQueue(PortAddr iop_base, uchar free_q_head, uchar n_free_q)
{
	uchar i;

	for (i = 0; i < n_free_q; i++) {
		free_q_head = AscAllocFreeQueue(iop_base, free_q_head);
		if (free_q_head == ASC_QLINK_END)
			break;
	}
	return free_q_head;
}

/*
 * void
 * DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
 *
 * Calling/Exit State:
 *    none
 *
 * Description:
 *     Output an ASC_SCSI_Q structure to the chip
 */
static void
DvcPutScsiQ(PortAddr iop_base, ushort s_addr, uchar *outbuf, int words)
{
	int i;

	ASC_DBG_PRT_HEX(2, "DvcPutScsiQ", outbuf, 2 * words);
	AscSetChipLramAddr(iop_base, s_addr);
	for (i = 0; i < 2 * words; i += 2) {
		if (i == 4 || i == 20) {
			continue;
		}
		outpw(iop_base + IOP_RAM_DATA,
		      ((ushort)outbuf[i + 1] << 8) | outbuf[i]);
	}
}

static int AscPutReadyQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
{
	ushort q_addr;
	uchar tid_no;
	uchar sdtr_data;
	uchar syn_period_ix;
	uchar syn_offset;
	PortAddr iop_base;

	iop_base = asc_dvc->iop_base;
	if (((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) &&
	    ((asc_dvc->sdtr_done & scsiq->q1.target_id) == 0)) {
		tid_no = ASC_TIX_TO_TID(scsiq->q2.target_ix);
		sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
		syn_period_ix =
		    (sdtr_data >> 4) & (asc_dvc->max_sdtr_index - 1);
		syn_offset = sdtr_data & ASC_SYN_MAX_OFFSET;
		AscMsgOutSDTR(asc_dvc,
			      asc_dvc->sdtr_period_tbl[syn_period_ix],
			      syn_offset);
		scsiq->q1.cntl |= QC_MSG_OUT;
	}
	q_addr = ASC_QNO_TO_QADDR(q_no);
	if ((scsiq->q1.target_id & asc_dvc->use_tagged_qng) == 0) {
		scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
	}
	scsiq->q1.status = QS_FREE;
	AscMemWordCopyPtrToLram(iop_base,
				q_addr + ASC_SCSIQ_CDB_BEG,
				(uchar *)scsiq->cdbptr, scsiq->q2.cdb_len >> 1);

	DvcPutScsiQ(iop_base,
		    q_addr + ASC_SCSIQ_CPY_BEG,
		    (uchar *)&scsiq->q1.cntl,
		    ((sizeof(ASC_SCSIQ_1) + sizeof(ASC_SCSIQ_2)) / 2) - 1);
	AscWriteLramWord(iop_base,
			 (ushort)(q_addr + (ushort)ASC_SCSIQ_B_STATUS),
			 (ushort)(((ushort)scsiq->q1.
				   q_no << 8) | (ushort)QS_READY));
	return 1;
}

static int
AscPutReadySgListQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar q_no)
{
	int sta;
	int i;
	ASC_SG_HEAD *sg_head;
	ASC_SG_LIST_Q scsi_sg_q;
	__le32 saved_data_addr;
	__le32 saved_data_cnt;
	PortAddr iop_base;
	ushort sg_list_dwords;
	ushort sg_index;
	ushort sg_entry_cnt;
	ushort q_addr;
	uchar next_qp;

	iop_base = asc_dvc->iop_base;
	sg_head = scsiq->sg_head;
	saved_data_addr = scsiq->q1.data_addr;
	saved_data_cnt = scsiq->q1.data_cnt;
	scsiq->q1.data_addr = cpu_to_le32(sg_head->sg_list[0].addr);
	scsiq->q1.data_cnt = cpu_to_le32(sg_head->sg_list[0].bytes);
	/*
	 * Set sg_entry_cnt to be the number of SG elements that
	 * will fit in the allocated SG queues. It is minus 1, because
	 * the first SG element is handled above.
	 */
	sg_entry_cnt = sg_head->entry_cnt - 1;

	if (sg_entry_cnt != 0) {
		scsiq->q1.cntl |= QC_SG_HEAD;
		q_addr = ASC_QNO_TO_QADDR(q_no);
		sg_index = 1;
		scsiq->q1.sg_queue_cnt = sg_head->queue_cnt;
		scsi_sg_q.sg_head_qp = q_no;
		scsi_sg_q.cntl = QCSG_SG_XFER_LIST;
		for (i = 0; i < sg_head->queue_cnt; i++) {
			scsi_sg_q.seq_no = i + 1;
			if (sg_entry_cnt > ASC_SG_LIST_PER_Q) {
				sg_list_dwords = (uchar)(ASC_SG_LIST_PER_Q * 2);
				sg_entry_cnt -= ASC_SG_LIST_PER_Q;
				if (i == 0) {
					scsi_sg_q.sg_list_cnt =
					    ASC_SG_LIST_PER_Q;
					scsi_sg_q.sg_cur_list_cnt =
					    ASC_SG_LIST_PER_Q;
				} else {
					scsi_sg_q.sg_list_cnt =
					    ASC_SG_LIST_PER_Q - 1;
					scsi_sg_q.sg_cur_list_cnt =
					    ASC_SG_LIST_PER_Q - 1;
				}
			} else {
				scsi_sg_q.cntl |= QCSG_SG_XFER_END;
				sg_list_dwords = sg_entry_cnt << 1;
				if (i == 0) {
					scsi_sg_q.sg_list_cnt = sg_entry_cnt;
					scsi_sg_q.sg_cur_list_cnt =
					    sg_entry_cnt;
				} else {
					scsi_sg_q.sg_list_cnt =
					    sg_entry_cnt - 1;
					scsi_sg_q.sg_cur_list_cnt =
					    sg_entry_cnt - 1;
				}
				sg_entry_cnt = 0;
			}
			next_qp = AscReadLramByte(iop_base,
						  (ushort)(q_addr +
							   ASC_SCSIQ_B_FWD));
			scsi_sg_q.q_no = next_qp;
			q_addr = ASC_QNO_TO_QADDR(next_qp);
			AscMemWordCopyPtrToLram(iop_base,
						q_addr + ASC_SCSIQ_SGHD_CPY_BEG,
						(uchar *)&scsi_sg_q,
						sizeof(ASC_SG_LIST_Q) >> 1);
			AscMemDWordCopyPtrToLram(iop_base,
						 q_addr + ASC_SGQ_LIST_BEG,
						 (uchar *)&sg_head->
						 sg_list[sg_index],
						 sg_list_dwords);
			sg_index += ASC_SG_LIST_PER_Q;
			scsiq->next_sg_index = sg_index;
		}
	} else {
		scsiq->q1.cntl &= ~QC_SG_HEAD;
	}
	sta = AscPutReadyQueue(asc_dvc, scsiq, q_no);
	scsiq->q1.data_addr = saved_data_addr;
	scsiq->q1.data_cnt = saved_data_cnt;
	return (sta);
}

static int
AscSendScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq, uchar n_q_required)
{
	PortAddr iop_base;
	uchar free_q_head;
	uchar next_qp;
	uchar tid_no;
	uchar target_ix;
	int sta;

	iop_base = asc_dvc->iop_base;
	target_ix = scsiq->q2.target_ix;
	tid_no = ASC_TIX_TO_TID(target_ix);
	sta = 0;
	free_q_head = (uchar)AscGetVarFreeQHead(iop_base);
	if (n_q_required > 1) {
		next_qp = AscAllocMultipleFreeQueue(iop_base, free_q_head,
						    (uchar)n_q_required);
		if (next_qp != ASC_QLINK_END) {
			asc_dvc->last_q_shortage = 0;
			scsiq->sg_head->queue_cnt = n_q_required - 1;
			scsiq->q1.q_no = free_q_head;
			sta = AscPutReadySgListQueue(asc_dvc, scsiq,
						     free_q_head);
		}
	} else if (n_q_required == 1) {
		next_qp = AscAllocFreeQueue(iop_base, free_q_head);
		if (next_qp != ASC_QLINK_END) {
			scsiq->q1.q_no = free_q_head;
			sta = AscPutReadyQueue(asc_dvc, scsiq, free_q_head);
		}
	}
	if (sta == 1) {
		AscPutVarFreeQHead(iop_base, next_qp);
		asc_dvc->cur_total_qng += n_q_required;
		asc_dvc->cur_dvc_qng[tid_no]++;
	}
	return sta;
}

#define ASC_SYN_OFFSET_ONE_DISABLE_LIST  16
static uchar _syn_offset_one_disable_cmd[ASC_SYN_OFFSET_ONE_DISABLE_LIST] = {
	INQUIRY,
	REQUEST_SENSE,
	READ_CAPACITY,
	READ_TOC,
	MODE_SELECT,
	MODE_SENSE,
	MODE_SELECT_10,
	MODE_SENSE_10,
	0xFF,
	0xFF,
	0xFF,
	0xFF,
	0xFF,
	0xFF,
	0xFF,
	0xFF
};

static int AscExeScsiQueue(ASC_DVC_VAR *asc_dvc, ASC_SCSI_Q *scsiq)
{
	PortAddr iop_base;
	int sta;
	int n_q_required;
	bool disable_syn_offset_one_fix;
	int i;
	u32 addr;
	ushort sg_entry_cnt = 0;
	ushort sg_entry_cnt_minus_one = 0;
	uchar target_ix;
	uchar tid_no;
	uchar sdtr_data;
	uchar extra_bytes;
	uchar scsi_cmd;
	uchar disable_cmd;
	ASC_SG_HEAD *sg_head;
	unsigned long data_cnt;

	iop_base = asc_dvc->iop_base;
	sg_head = scsiq->sg_head;
	if (asc_dvc->err_code != 0)
		return ASC_ERROR;
	scsiq->q1.q_no = 0;
	if ((scsiq->q2.tag_code & ASC_TAG_FLAG_EXTRA_BYTES) == 0) {
		scsiq->q1.extra_bytes = 0;
	}
	sta = 0;
	target_ix = scsiq->q2.target_ix;
	tid_no = ASC_TIX_TO_TID(target_ix);
	n_q_required = 1;
	if (scsiq->cdbptr[0] == REQUEST_SENSE) {
		if ((asc_dvc->init_sdtr & scsiq->q1.target_id) != 0) {
			asc_dvc->sdtr_done &= ~scsiq->q1.target_id;
			sdtr_data = AscGetMCodeInitSDTRAtID(iop_base, tid_no);
			AscMsgOutSDTR(asc_dvc,
				      asc_dvc->
				      sdtr_period_tbl[(sdtr_data >> 4) &
						      (uchar)(asc_dvc->
							      max_sdtr_index -
							      1)],
				      (uchar)(sdtr_data & (uchar)
					      ASC_SYN_MAX_OFFSET));
			scsiq->q1.cntl |= (QC_MSG_OUT | QC_URGENT);
		}
	}
	if (asc_dvc->in_critical_cnt != 0) {
		AscSetLibErrorCode(asc_dvc, ASCQ_ERR_CRITICAL_RE_ENTRY);
		return ASC_ERROR;
	}
	asc_dvc->in_critical_cnt++;
	if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
		if ((sg_entry_cnt = sg_head->entry_cnt) == 0) {
			asc_dvc->in_critical_cnt--;
			return ASC_ERROR;
		}
		if (sg_entry_cnt > ASC_MAX_SG_LIST) {
			asc_dvc->in_critical_cnt--;
			return ASC_ERROR;
		}
		if (sg_entry_cnt == 1) {
			scsiq->q1.data_addr = cpu_to_le32(sg_head->sg_list[0].addr);
			scsiq->q1.data_cnt = cpu_to_le32(sg_head->sg_list[0].bytes);
			scsiq->q1.cntl &= ~(QC_SG_HEAD | QC_SG_SWAP_QUEUE);
		}
		sg_entry_cnt_minus_one = sg_entry_cnt - 1;
	}
	scsi_cmd = scsiq->cdbptr[0];
	disable_syn_offset_one_fix = false;
	if ((asc_dvc->pci_fix_asyn_xfer & scsiq->q1.target_id) &&
	    !(asc_dvc->pci_fix_asyn_xfer_always & scsiq->q1.target_id)) {
		if (scsiq->q1.cntl & QC_SG_HEAD) {
			data_cnt = 0;
			for (i = 0; i < sg_entry_cnt; i++) {
				data_cnt += le32_to_cpu(sg_head->sg_list[i].
							bytes);
			}
		} else {
			data_cnt = le32_to_cpu(scsiq->q1.data_cnt);
		}
		if (data_cnt != 0UL) {
			if (data_cnt < 512UL) {
				disable_syn_offset_one_fix = true;
			} else {
				for (i = 0; i < ASC_SYN_OFFSET_ONE_DISABLE_LIST;
				     i++) {
					disable_cmd =
					    _syn_offset_one_disable_cmd[i];
					if (disable_cmd == 0xFF) {
						break;
					}
					if (scsi_cmd == disable_cmd) {
						disable_syn_offset_one_fix =
						    true;
						break;
					}
				}
			}
		}
	}
	if (disable_syn_offset_one_fix) {
		scsiq->q2.tag_code &= ~SIMPLE_QUEUE_TAG;
		scsiq->q2.tag_code |= (ASC_TAG_FLAG_DISABLE_ASYN_USE_SYN_FIX |
				       ASC_TAG_FLAG_DISABLE_DISCONNECT);
	} else {
		scsiq->q2.tag_code &= 0x27;
	}
	if ((scsiq->q1.cntl & QC_SG_HEAD) != 0) {
		if (asc_dvc->bug_fix_cntl) {
			if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
				if ((scsi_cmd == READ_6) ||
				    (scsi_cmd == READ_10)) {
					addr = le32_to_cpu(sg_head->
								   sg_list
								   [sg_entry_cnt_minus_one].
								   addr) +
						le32_to_cpu(sg_head->
								  sg_list
								  [sg_entry_cnt_minus_one].
								  bytes);
					extra_bytes =
					    (uchar)((ushort)addr & 0x0003);
					if ((extra_bytes != 0)
					    &&
					    ((scsiq->q2.
					      tag_code &
					      ASC_TAG_FLAG_EXTRA_BYTES)
					     == 0)) {
						scsiq->q2.tag_code |=
						    ASC_TAG_FLAG_EXTRA_BYTES;
						scsiq->q1.extra_bytes =
						    extra_bytes;
						data_cnt =
						    le32_to_cpu(sg_head->
								sg_list
								[sg_entry_cnt_minus_one].
								bytes);
						data_cnt -= extra_bytes;
						sg_head->
						    sg_list
						    [sg_entry_cnt_minus_one].
						    bytes =
						    cpu_to_le32(data_cnt);
					}
				}
			}
		}
		sg_head->entry_to_copy = sg_head->entry_cnt;
		n_q_required = AscSgListToQueue(sg_entry_cnt);
		if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, n_q_required) >=
		     (uint) n_q_required)
		    || ((scsiq->q1.cntl & QC_URGENT) != 0)) {
			if ((sta =
			     AscSendScsiQueue(asc_dvc, scsiq,
					      n_q_required)) == 1) {
				asc_dvc->in_critical_cnt--;
				return (sta);
			}
		}
	} else {
		if (asc_dvc->bug_fix_cntl) {
			if (asc_dvc->bug_fix_cntl & ASC_BUG_FIX_IF_NOT_DWB) {
				if ((scsi_cmd == READ_6) ||
				    (scsi_cmd == READ_10)) {
					addr =
					    le32_to_cpu(scsiq->q1.data_addr) +
					    le32_to_cpu(scsiq->q1.data_cnt);
					extra_bytes =
					    (uchar)((ushort)addr & 0x0003);
					if ((extra_bytes != 0)
					    &&
					    ((scsiq->q2.
					      tag_code &
					      ASC_TAG_FLAG_EXTRA_BYTES)
					     == 0)) {
						data_cnt =
						    le32_to_cpu(scsiq->q1.
								data_cnt);
						if (((ushort)data_cnt & 0x01FF)
						    == 0) {
							scsiq->q2.tag_code |=
							    ASC_TAG_FLAG_EXTRA_BYTES;
							data_cnt -= extra_bytes;
							scsiq->q1.data_cnt =
							    cpu_to_le32
							    (data_cnt);
							scsiq->q1.extra_bytes =
							    extra_bytes;
						}
					}
				}
			}
		}
		n_q_required = 1;
		if ((AscGetNumOfFreeQueue(asc_dvc, target_ix, 1) >= 1) ||
		    ((scsiq->q1.cntl & QC_URGENT) != 0)) {
			if ((sta = AscSendScsiQueue(asc_dvc, scsiq,
						    n_q_required)) == 1) {
				asc_dvc->in_critical_cnt--;
				return (sta);
			}
		}
	}
	asc_dvc->in_critical_cnt--;
	return (sta);
}

/*
 * AdvExeScsiQueue() - Send a request to the RISC microcode program.
 *
 *   Allocate a carrier structure, point the carrier to the ADV_SCSI_REQ_Q,
 *   add the carrier to the ICQ (Initiator Command Queue), and tickle the
 *   RISC to notify it a new command is ready to be executed.
 *
 * If 'done_status' is not set to QD_DO_RETRY, then 'error_retry' will be
 * set to SCSI_MAX_RETRY.
 *
 * Multi-byte fields in the ADV_SCSI_REQ_Q that are used by the microcode
 * for DMA addresses or math operations are byte swapped to little-endian
 * order.
 *
 * Return:
 *      ADV_SUCCESS(1) - The request was successfully queued.
 *      ADV_BUSY(0) -    Resource unavailable; Retry again after pending
 *                       request completes.
 *      ADV_ERROR(-1) -  Invalid ADV_SCSI_REQ_Q request structure
 *                       host IC error.
 */
static int AdvExeScsiQueue(ADV_DVC_VAR *asc_dvc, adv_req_t *reqp)
{
	AdvPortAddr iop_base;
	ADV_CARR_T *new_carrp;
	ADV_SCSI_REQ_Q *scsiq = &reqp->scsi_req_q;

	/*
	 * The ADV_SCSI_REQ_Q 'target_id' field should never exceed ADV_MAX_TID.
	 */
	if (scsiq->target_id > ADV_MAX_TID) {
		scsiq->host_status = QHSTA_M_INVALID_DEVICE;
		scsiq->done_status = QD_WITH_ERROR;
		return ADV_ERROR;
	}

	iop_base = asc_dvc->iop_base;

	/*
	 * Allocate a carrier ensuring at least one carrier always
	 * remains on the freelist and initialize fields.
	 */
	new_carrp = adv_get_next_carrier(asc_dvc);
	if (!new_carrp) {
		ASC_DBG(1, "No free carriers\n");
		return ADV_BUSY;
	}

	asc_dvc->carr_pending_cnt++;

	/* Save virtual and physical address of ADV_SCSI_REQ_Q and carrier. */
	scsiq->scsiq_ptr = cpu_to_le32(scsiq->srb_tag);
	scsiq->scsiq_rptr = cpu_to_le32(reqp->req_addr);

	scsiq->carr_va = asc_dvc->icq_sp->carr_va;
	scsiq->carr_pa = asc_dvc->icq_sp->carr_pa;

	/*
	 * Use the current stopper to send the ADV_SCSI_REQ_Q command to
	 * the microcode. The newly allocated stopper will become the new
	 * stopper.
	 */
	asc_dvc->icq_sp->areq_vpa = scsiq->scsiq_rptr;

	/*
	 * Set the 'next_vpa' pointer for the old stopper to be the
	 * physical address of the new stopper. The RISC can only
	 * follow physical addresses.
	 */
	asc_dvc->icq_sp->next_vpa = new_carrp->carr_pa;

	/*
	 * Set the host adapter stopper pointer to point to the new carrier.
	 */
	asc_dvc->icq_sp = new_carrp;

	if (asc_dvc->chip_type == ADV_CHIP_ASC3550 ||
	    asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
		/*
		 * Tickle the RISC to tell it to read its Command Queue Head pointer.
		 */
		AdvWriteByteRegister(iop_base, IOPB_TICKLE, ADV_TICKLE_A);
		if (asc_dvc->chip_type == ADV_CHIP_ASC3550) {
			/*
			 * Clear the tickle value. In the ASC-3550 the RISC flag
			 * command 'clr_tickle_a' does not work unless the host
			 * value is cleared.
			 */
			AdvWriteByteRegister(iop_base, IOPB_TICKLE,
					     ADV_TICKLE_NOP);
		}
	} else if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
		/*
		 * Notify the RISC a carrier is ready by writing the physical
		 * address of the new carrier stopper to the COMMA register.
		 */
		AdvWriteDWordRegister(iop_base, IOPDW_COMMA,
				      le32_to_cpu(new_carrp->carr_pa));
	}

	return ADV_SUCCESS;
}

/*
 * Execute a single 'struct scsi_cmnd'.
 */
static int asc_execute_scsi_cmnd(struct scsi_cmnd *scp)
{
	int ret, err_code;
	struct asc_board *boardp = shost_priv(scp->device->host);

	ASC_DBG(1, "scp 0x%p\n", scp);

	if (ASC_NARROW_BOARD(boardp)) {
		ASC_DVC_VAR *asc_dvc = &boardp->dvc_var.asc_dvc_var;
		struct asc_scsi_q asc_scsi_q;

		ret = asc_build_req(boardp, scp, &asc_scsi_q);
		if (ret != ASC_NOERROR) {
			ASC_STATS(scp->device->host, build_error);
			return ret;
		}

		ret = AscExeScsiQueue(asc_dvc, &asc_scsi_q);
		kfree(asc_scsi_q.sg_head);
		err_code = asc_dvc->err_code;
	} else {
		ADV_DVC_VAR *adv_dvc = &boardp->dvc_var.adv_dvc_var;
		adv_req_t *adv_reqp;

		switch (adv_build_req(boardp, scp, &adv_reqp)) {
		case ASC_NOERROR:
			ASC_DBG(3, "adv_build_req ASC_NOERROR\n");
			break;
		case ASC_BUSY:
			ASC_DBG(1, "adv_build_req ASC_BUSY\n");
			/*
			 * The asc_stats fields 'adv_build_noreq' and
			 * 'adv_build_nosg' count wide board busy conditions.
			 * They are updated in adv_build_req and
			 * adv_get_sglist, respectively.
			 */
			return ASC_BUSY;
		case ASC_ERROR:
		default:
			ASC_DBG(1, "adv_build_req ASC_ERROR\n");
			ASC_STATS(scp->device->host, build_error);
			return ASC_ERROR;
		}

		ret = AdvExeScsiQueue(adv_dvc, adv_reqp);
		err_code = adv_dvc->err_code;
	}

	switch (ret) {
	case ASC_NOERROR:
		ASC_STATS(scp->device->host, exe_noerror);
		/*
		 * Increment monotonically increasing per device
		 * successful request counter. Wrapping doesn't matter.
		 */
		boardp->reqcnt[scp->device->id]++;
		ASC_DBG(1, "ExeScsiQueue() ASC_NOERROR\n");
		break;
	case ASC_BUSY:
		ASC_DBG(1, "ExeScsiQueue() ASC_BUSY\n");
		ASC_STATS(scp->device->host, exe_busy);
		break;
	case ASC_ERROR:
		scmd_printk(KERN_ERR, scp, "ExeScsiQueue() ASC_ERROR, "
			"err_code 0x%x\n", err_code);
		ASC_STATS(scp->device->host, exe_error);
		scp->result = HOST_BYTE(DID_ERROR);
		break;
	default:
		scmd_printk(KERN_ERR, scp, "ExeScsiQueue() unknown, "
			"err_code 0x%x\n", err_code);
		ASC_STATS(scp->device->host, exe_unknown);
		scp->result = HOST_BYTE(DID_ERROR);
		break;
	}

	ASC_DBG(1, "end\n");
	return ret;
}

/*
 * advansys_queuecommand() - interrupt-driven I/O entrypoint.
 *
 * This function always returns 0. Command return status is saved
 * in the 'scp' result field.
 */
static int
advansys_queuecommand_lck(struct scsi_cmnd *scp, void (*done)(struct scsi_cmnd *))
{
	struct Scsi_Host *shost = scp->device->host;
	int asc_res, result = 0;

	ASC_STATS(shost, queuecommand);
	scp->scsi_done = done;

	asc_res = asc_execute_scsi_cmnd(scp);

	switch (asc_res) {
	case ASC_NOERROR:
		break;
	case ASC_BUSY:
		result = SCSI_MLQUEUE_HOST_BUSY;
		break;
	case ASC_ERROR:
	default:
		asc_scsi_done(scp);
		break;
	}

	return result;
}

static DEF_SCSI_QCMD(advansys_queuecommand)

static ushort AscGetEisaChipCfg(PortAddr iop_base)
{
	PortAddr eisa_cfg_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
	    (PortAddr) (ASC_EISA_CFG_IOP_MASK);
	return inpw(eisa_cfg_iop);
}

/*
 * Return the BIOS address of the adapter at the specified
 * I/O port and with the specified bus type.
 */
static unsigned short AscGetChipBiosAddress(PortAddr iop_base,
					    unsigned short bus_type)
{
	unsigned short cfg_lsw;
	unsigned short bios_addr;

	/*
	 * The PCI BIOS is re-located by the motherboard BIOS. Because
	 * of this the driver can not determine where a PCI BIOS is
	 * loaded and executes.
	 */
	if (bus_type & ASC_IS_PCI)
		return 0;

	if ((bus_type & ASC_IS_EISA) != 0) {
		cfg_lsw = AscGetEisaChipCfg(iop_base);
		cfg_lsw &= 0x000F;
		bios_addr = ASC_BIOS_MIN_ADDR + cfg_lsw * ASC_BIOS_BANK_SIZE;
		return bios_addr;
	}

	cfg_lsw = AscGetChipCfgLsw(iop_base);

	/*
	 *  ISA PnP uses the top bit as the 32K BIOS flag
	 */
	if (bus_type == ASC_IS_ISAPNP)
		cfg_lsw &= 0x7FFF;
	bios_addr = ASC_BIOS_MIN_ADDR + (cfg_lsw >> 12) * ASC_BIOS_BANK_SIZE;
	return bios_addr;
}

static uchar AscSetChipScsiID(PortAddr iop_base, uchar new_host_id)
{
	ushort cfg_lsw;

	if (AscGetChipScsiID(iop_base) == new_host_id) {
		return (new_host_id);
	}
	cfg_lsw = AscGetChipCfgLsw(iop_base);
	cfg_lsw &= 0xF8FF;
	cfg_lsw |= (ushort)((new_host_id & ASC_MAX_TID) << 8);
	AscSetChipCfgLsw(iop_base, cfg_lsw);
	return (AscGetChipScsiID(iop_base));
}

static unsigned char AscGetChipScsiCtrl(PortAddr iop_base)
{
	unsigned char sc;

	AscSetBank(iop_base, 1);
	sc = inp(iop_base + IOP_REG_SC);
	AscSetBank(iop_base, 0);
	return sc;
}

static unsigned char AscGetChipVersion(PortAddr iop_base,
				       unsigned short bus_type)
{
	if (bus_type & ASC_IS_EISA) {
		PortAddr eisa_iop;
		unsigned char revision;
		eisa_iop = (PortAddr) ASC_GET_EISA_SLOT(iop_base) |
		    (PortAddr) ASC_EISA_REV_IOP_MASK;
		revision = inp(eisa_iop);
		return ASC_CHIP_MIN_VER_EISA - 1 + revision;
	}
	return AscGetChipVerNo(iop_base);
}

#ifdef CONFIG_ISA
static void AscEnableIsaDma(uchar dma_channel)
{
	if (dma_channel < 4) {
		outp(0x000B, (ushort)(0xC0 | dma_channel));
		outp(0x000A, dma_channel);
	} else if (dma_channel < 8) {
		outp(0x00D6, (ushort)(0xC0 | (dma_channel - 4)));
		outp(0x00D4, (ushort)(dma_channel - 4));
	}
}
#endif /* CONFIG_ISA */

static int AscStopQueueExe(PortAddr iop_base)
{
	int count = 0;

	if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) == 0) {
		AscWriteLramByte(iop_base, ASCV_STOP_CODE_B,
				 ASC_STOP_REQ_RISC_STOP);
		do {
			if (AscReadLramByte(iop_base, ASCV_STOP_CODE_B) &
			    ASC_STOP_ACK_RISC_STOP) {
				return (1);
			}
			mdelay(100);
		} while (count++ < 20);
	}
	return (0);
}

static unsigned int AscGetMaxDmaCount(ushort bus_type)
{
	if (bus_type & ASC_IS_ISA)
		return ASC_MAX_ISA_DMA_COUNT;
	else if (bus_type & (ASC_IS_EISA | ASC_IS_VL))
		return ASC_MAX_VL_DMA_COUNT;
	return ASC_MAX_PCI_DMA_COUNT;
}

#ifdef CONFIG_ISA
static ushort AscGetIsaDmaChannel(PortAddr iop_base)
{
	ushort channel;

	channel = AscGetChipCfgLsw(iop_base) & 0x0003;
	if (channel == 0x03)
		return (0);
	else if (channel == 0x00)
		return (7);
	return (channel + 4);
}

static ushort AscSetIsaDmaChannel(PortAddr iop_base, ushort dma_channel)
{
	ushort cfg_lsw;
	uchar value;

	if ((dma_channel >= 5) && (dma_channel <= 7)) {
		if (dma_channel == 7)
			value = 0x00;
		else
			value = dma_channel - 4;
		cfg_lsw = AscGetChipCfgLsw(iop_base) & 0xFFFC;
		cfg_lsw |= value;
		AscSetChipCfgLsw(iop_base, cfg_lsw);
		return (AscGetIsaDmaChannel(iop_base));
	}
	return 0;
}

static uchar AscGetIsaDmaSpeed(PortAddr iop_base)
{
	uchar speed_value;

	AscSetBank(iop_base, 1);
	speed_value = AscReadChipDmaSpeed(iop_base);
	speed_value &= 0x07;
	AscSetBank(iop_base, 0);
	return speed_value;
}

static uchar AscSetIsaDmaSpeed(PortAddr iop_base, uchar speed_value)
{
	speed_value &= 0x07;
	AscSetBank(iop_base, 1);
	AscWriteChipDmaSpeed(iop_base, speed_value);
	AscSetBank(iop_base, 0);
	return AscGetIsaDmaSpeed(iop_base);
}
#endif /* CONFIG_ISA */

static void AscInitAscDvcVar(ASC_DVC_VAR *asc_dvc)
{
	int i;
	PortAddr iop_base;
	uchar chip_version;

	iop_base = asc_dvc->iop_base;
	asc_dvc->err_code = 0;
	if ((asc_dvc->bus_type &
	     (ASC_IS_ISA | ASC_IS_PCI | ASC_IS_EISA | ASC_IS_VL)) == 0) {
		asc_dvc->err_code |= ASC_IERR_NO_BUS_TYPE;
	}
	AscSetChipControl(iop_base, CC_HALT);
	AscSetChipStatus(iop_base, 0);
	asc_dvc->bug_fix_cntl = 0;
	asc_dvc->pci_fix_asyn_xfer = 0;
	asc_dvc->pci_fix_asyn_xfer_always = 0;
	/* asc_dvc->init_state initialized in AscInitGetConfig(). */
	asc_dvc->sdtr_done = 0;
	asc_dvc->cur_total_qng = 0;
	asc_dvc->is_in_int = false;
	asc_dvc->in_critical_cnt = 0;
	asc_dvc->last_q_shortage = 0;
	asc_dvc->use_tagged_qng = 0;
	asc_dvc->no_scam = 0;
	asc_dvc->unit_not_ready = 0;
	asc_dvc->queue_full_or_busy = 0;
	asc_dvc->redo_scam = 0;
	asc_dvc->res2 = 0;
	asc_dvc->min_sdtr_index = 0;
	asc_dvc->cfg->can_tagged_qng = 0;
	asc_dvc->cfg->cmd_qng_enabled = 0;
	asc_dvc->dvc_cntl = ASC_DEF_DVC_CNTL;
	asc_dvc->init_sdtr = 0;
	asc_dvc->max_total_qng = ASC_DEF_MAX_TOTAL_QNG;
	asc_dvc->scsi_reset_wait = 3;
	asc_dvc->start_motor = ASC_SCSI_WIDTH_BIT_SET;
	asc_dvc->max_dma_count = AscGetMaxDmaCount(asc_dvc->bus_type);
	asc_dvc->cfg->sdtr_enable = ASC_SCSI_WIDTH_BIT_SET;
	asc_dvc->cfg->disc_enable = ASC_SCSI_WIDTH_BIT_SET;
	asc_dvc->cfg->chip_scsi_id = ASC_DEF_CHIP_SCSI_ID;
	chip_version = AscGetChipVersion(iop_base, asc_dvc->bus_type);
	asc_dvc->cfg->chip_version = chip_version;
	asc_dvc->sdtr_period_tbl = asc_syn_xfer_period;
	asc_dvc->max_sdtr_index = 7;
	if ((asc_dvc->bus_type & ASC_IS_PCI) &&
	    (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3150)) {
		asc_dvc->bus_type = ASC_IS_PCI_ULTRA;
		asc_dvc->sdtr_period_tbl = asc_syn_ultra_xfer_period;
		asc_dvc->max_sdtr_index = 15;
		if (chip_version == ASC_CHIP_VER_PCI_ULTRA_3150) {
			AscSetExtraControl(iop_base,
					   (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
		} else if (chip_version >= ASC_CHIP_VER_PCI_ULTRA_3050) {
			AscSetExtraControl(iop_base,
					   (SEC_ACTIVE_NEGATE |
					    SEC_ENABLE_FILTER));
		}
	}
	if (asc_dvc->bus_type == ASC_IS_PCI) {
		AscSetExtraControl(iop_base,
				   (SEC_ACTIVE_NEGATE | SEC_SLEW_RATE));
	}

	asc_dvc->cfg->isa_dma_speed = ASC_DEF_ISA_DMA_SPEED;
#ifdef CONFIG_ISA
	if ((asc_dvc->bus_type & ASC_IS_ISA) != 0) {
		if (chip_version >= ASC_CHIP_MIN_VER_ISA_PNP) {
			AscSetChipIFC(iop_base, IFC_INIT_DEFAULT);
			asc_dvc->bus_type = ASC_IS_ISAPNP;
		}
		asc_dvc->cfg->isa_dma_channel =
		    (uchar)AscGetIsaDmaChannel(iop_base);
	}
#endif /* CONFIG_ISA */
	for (i = 0; i <= ASC_MAX_TID; i++) {
		asc_dvc->cur_dvc_qng[i] = 0;
		asc_dvc->max_dvc_qng[i] = ASC_MAX_SCSI1_QNG;
		asc_dvc->scsiq_busy_head[i] = (ASC_SCSI_Q *)0L;
		asc_dvc->scsiq_busy_tail[i] = (ASC_SCSI_Q *)0L;
		asc_dvc->cfg->max_tag_qng[i] = ASC_MAX_INRAM_TAG_QNG;
	}
}

static int AscWriteEEPCmdReg(PortAddr iop_base, uchar cmd_reg)
{
	int retry;

	for (retry = 0; retry < ASC_EEP_MAX_RETRY; retry++) {
		unsigned char read_back;
		AscSetChipEEPCmd(iop_base, cmd_reg);
		mdelay(1);
		read_back = AscGetChipEEPCmd(iop_base);
		if (read_back == cmd_reg)
			return 1;
	}
	return 0;
}

static void AscWaitEEPRead(void)
{
	mdelay(1);
}

static ushort AscReadEEPWord(PortAddr iop_base, uchar addr)
{
	ushort read_wval;
	uchar cmd_reg;

	AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
	AscWaitEEPRead();
	cmd_reg = addr | ASC_EEP_CMD_READ;
	AscWriteEEPCmdReg(iop_base, cmd_reg);
	AscWaitEEPRead();
	read_wval = AscGetChipEEPData(iop_base);
	AscWaitEEPRead();
	return read_wval;
}

static ushort AscGetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf,
			      ushort bus_type)
{
	ushort wval;
	ushort sum;
	ushort *wbuf;
	int cfg_beg;
	int cfg_end;
	int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;
	int s_addr;

	wbuf = (ushort *)cfg_buf;
	sum = 0;
	/* Read two config words; Byte-swapping done by AscReadEEPWord(). */
	for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
		*wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
		sum += *wbuf;
	}
	if (bus_type & ASC_IS_VL) {
		cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
		cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
	} else {
		cfg_beg = ASC_EEP_DVC_CFG_BEG;
		cfg_end = ASC_EEP_MAX_DVC_ADDR;
	}
	for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
		wval = AscReadEEPWord(iop_base, (uchar)s_addr);
		if (s_addr <= uchar_end_in_config) {
			/*
			 * Swap all char fields - must unswap bytes already swapped
			 * by AscReadEEPWord().
			 */
			*wbuf = le16_to_cpu(wval);
		} else {
			/* Don't swap word field at the end - cntl field. */
			*wbuf = wval;
		}
		sum += wval;	/* Checksum treats all EEPROM data as words. */
	}
	/*
	 * Read the checksum word which will be compared against 'sum'
	 * by the caller. Word field already swapped.
	 */
	*wbuf = AscReadEEPWord(iop_base, (uchar)s_addr);
	return sum;
}

static int AscTestExternalLram(ASC_DVC_VAR *asc_dvc)
{
	PortAddr iop_base;
	ushort q_addr;
	ushort saved_word;
	int sta;

	iop_base = asc_dvc->iop_base;
	sta = 0;
	q_addr = ASC_QNO_TO_QADDR(241);
	saved_word = AscReadLramWord(iop_base, q_addr);
	AscSetChipLramAddr(iop_base, q_addr);
	AscSetChipLramData(iop_base, 0x55AA);
	mdelay(10);
	AscSetChipLramAddr(iop_base, q_addr);
	if (AscGetChipLramData(iop_base) == 0x55AA) {
		sta = 1;
		AscWriteLramWord(iop_base, q_addr, saved_word);
	}
	return (sta);
}

static void AscWaitEEPWrite(void)
{
	mdelay(20);
}

static int AscWriteEEPDataReg(PortAddr iop_base, ushort data_reg)
{
	ushort read_back;
	int retry;

	retry = 0;
	while (true) {
		AscSetChipEEPData(iop_base, data_reg);
		mdelay(1);
		read_back = AscGetChipEEPData(iop_base);
		if (read_back == data_reg) {
			return (1);
		}
		if (retry++ > ASC_EEP_MAX_RETRY) {
			return (0);
		}
	}
}

static ushort AscWriteEEPWord(PortAddr iop_base, uchar addr, ushort word_val)
{
	ushort read_wval;

	read_wval = AscReadEEPWord(iop_base, addr);
	if (read_wval != word_val) {
		AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_ABLE);
		AscWaitEEPRead();
		AscWriteEEPDataReg(iop_base, word_val);
		AscWaitEEPRead();
		AscWriteEEPCmdReg(iop_base,
				  (uchar)((uchar)ASC_EEP_CMD_WRITE | addr));
		AscWaitEEPWrite();
		AscWriteEEPCmdReg(iop_base, ASC_EEP_CMD_WRITE_DISABLE);
		AscWaitEEPRead();
		return (AscReadEEPWord(iop_base, addr));
	}
	return (read_wval);
}

static int AscSetEEPConfigOnce(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf,
			       ushort bus_type)
{
	int n_error;
	ushort *wbuf;
	ushort word;
	ushort sum;
	int s_addr;
	int cfg_beg;
	int cfg_end;
	int uchar_end_in_config = ASC_EEP_MAX_DVC_ADDR - 2;

	wbuf = (ushort *)cfg_buf;
	n_error = 0;
	sum = 0;
	/* Write two config words; AscWriteEEPWord() will swap bytes. */
	for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
		sum += *wbuf;
		if (*wbuf != AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
			n_error++;
		}
	}
	if (bus_type & ASC_IS_VL) {
		cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
		cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
	} else {
		cfg_beg = ASC_EEP_DVC_CFG_BEG;
		cfg_end = ASC_EEP_MAX_DVC_ADDR;
	}
	for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
		if (s_addr <= uchar_end_in_config) {
			/*
			 * This is a char field. Swap char fields before they are
			 * swapped again by AscWriteEEPWord().
			 */
			word = cpu_to_le16(*wbuf);
			if (word !=
			    AscWriteEEPWord(iop_base, (uchar)s_addr, word)) {
				n_error++;
			}
		} else {
			/* Don't swap word field at the end - cntl field. */
			if (*wbuf !=
			    AscWriteEEPWord(iop_base, (uchar)s_addr, *wbuf)) {
				n_error++;
			}
		}
		sum += *wbuf;	/* Checksum calculated from word values. */
	}
	/* Write checksum word. It will be swapped by AscWriteEEPWord(). */
	*wbuf = sum;
	if (sum != AscWriteEEPWord(iop_base, (uchar)s_addr, sum)) {
		n_error++;
	}

	/* Read EEPROM back again. */
	wbuf = (ushort *)cfg_buf;
	/*
	 * Read two config words; Byte-swapping done by AscReadEEPWord().
	 */
	for (s_addr = 0; s_addr < 2; s_addr++, wbuf++) {
		if (*wbuf != AscReadEEPWord(iop_base, (uchar)s_addr)) {
			n_error++;
		}
	}
	if (bus_type & ASC_IS_VL) {
		cfg_beg = ASC_EEP_DVC_CFG_BEG_VL;
		cfg_end = ASC_EEP_MAX_DVC_ADDR_VL;
	} else {
		cfg_beg = ASC_EEP_DVC_CFG_BEG;
		cfg_end = ASC_EEP_MAX_DVC_ADDR;
	}
	for (s_addr = cfg_beg; s_addr <= (cfg_end - 1); s_addr++, wbuf++) {
		if (s_addr <= uchar_end_in_config) {
			/*
			 * Swap all char fields. Must unswap bytes already swapped
			 * by AscReadEEPWord().
			 */
			word =
			    le16_to_cpu(AscReadEEPWord
					(iop_base, (uchar)s_addr));
		} else {
			/* Don't swap word field at the end - cntl field. */
			word = AscReadEEPWord(iop_base, (uchar)s_addr);
		}
		if (*wbuf != word) {
			n_error++;
		}
	}
	/* Read checksum; Byte swapping not needed. */
	if (AscReadEEPWord(iop_base, (uchar)s_addr) != sum) {
		n_error++;
	}
	return n_error;
}

static int AscSetEEPConfig(PortAddr iop_base, ASCEEP_CONFIG *cfg_buf,
			   ushort bus_type)
{
	int retry;
	int n_error;

	retry = 0;
	while (true) {
		if ((n_error = AscSetEEPConfigOnce(iop_base, cfg_buf,
						   bus_type)) == 0) {
			break;
		}
		if (++retry > ASC_EEP_MAX_RETRY) {
			break;
		}
	}
	return n_error;
}

static int AscInitFromEEP(ASC_DVC_VAR *asc_dvc)
{
	ASCEEP_CONFIG eep_config_buf;
	ASCEEP_CONFIG *eep_config;
	PortAddr iop_base;
	ushort chksum;
	ushort warn_code;
	ushort cfg_msw, cfg_lsw;
	int i;
	int write_eep = 0;

	iop_base = asc_dvc->iop_base;
	warn_code = 0;
	AscWriteLramWord(iop_base, ASCV_HALTCODE_W, 0x00FE);
	AscStopQueueExe(iop_base);
	if ((AscStopChip(iop_base)) ||
	    (AscGetChipScsiCtrl(iop_base) != 0)) {
		asc_dvc->init_state |= ASC_INIT_RESET_SCSI_DONE;
		AscResetChipAndScsiBus(asc_dvc);
		mdelay(asc_dvc->scsi_reset_wait * 1000); /* XXX: msleep? */
	}
	if (!AscIsChipHalted(iop_base)) {
		asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
		return (warn_code);
	}
	AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
	if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
		asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
		return (warn_code);
	}
	eep_config = (ASCEEP_CONFIG *)&eep_config_buf;
	cfg_msw = AscGetChipCfgMsw(iop_base);
	cfg_lsw = AscGetChipCfgLsw(iop_base);
	if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
		cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
		warn_code |= ASC_WARN_CFG_MSW_RECOVER;
		AscSetChipCfgMsw(iop_base, cfg_msw);
	}
	chksum = AscGetEEPConfig(iop_base, eep_config, asc_dvc->bus_type);
	ASC_DBG(1, "chksum 0x%x\n", chksum);
	if (chksum == 0) {
		chksum = 0xaa55;
	}
	if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
		warn_code |= ASC_WARN_AUTO_CONFIG;
		if (asc_dvc->cfg->chip_version == 3) {
			if (eep_config->cfg_lsw != cfg_lsw) {
				warn_code |= ASC_WARN_EEPROM_RECOVER;
				eep_config->cfg_lsw =
				    AscGetChipCfgLsw(iop_base);
			}
			if (eep_config->cfg_msw != cfg_msw) {
				warn_code |= ASC_WARN_EEPROM_RECOVER;
				eep_config->cfg_msw =
				    AscGetChipCfgMsw(iop_base);
			}
		}
	}
	eep_config->cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
	eep_config->cfg_lsw |= ASC_CFG0_HOST_INT_ON;
	ASC_DBG(1, "eep_config->chksum 0x%x\n", eep_config->chksum);
	if (chksum != eep_config->chksum) {
		if (AscGetChipVersion(iop_base, asc_dvc->bus_type) ==
		    ASC_CHIP_VER_PCI_ULTRA_3050) {
			ASC_DBG(1, "chksum error ignored; EEPROM-less board\n");
			eep_config->init_sdtr = 0xFF;
			eep_config->disc_enable = 0xFF;
			eep_config->start_motor = 0xFF;
			eep_config->use_cmd_qng = 0;
			eep_config->max_total_qng = 0xF0;
			eep_config->max_tag_qng = 0x20;
			eep_config->cntl = 0xBFFF;
			ASC_EEP_SET_CHIP_ID(eep_config, 7);
			eep_config->no_scam = 0;
			eep_config->adapter_info[0] = 0;
			eep_config->adapter_info[1] = 0;
			eep_config->adapter_info[2] = 0;
			eep_config->adapter_info[3] = 0;
			eep_config->adapter_info[4] = 0;
			/* Indicate EEPROM-less board. */
			eep_config->adapter_info[5] = 0xBB;
		} else {
			ASC_PRINT
			    ("AscInitFromEEP: EEPROM checksum error; Will try to re-write EEPROM.\n");
			write_eep = 1;
			warn_code |= ASC_WARN_EEPROM_CHKSUM;
		}
	}
	asc_dvc->cfg->sdtr_enable = eep_config->init_sdtr;
	asc_dvc->cfg->disc_enable = eep_config->disc_enable;
	asc_dvc->cfg->cmd_qng_enabled = eep_config->use_cmd_qng;
	asc_dvc->cfg->isa_dma_speed = ASC_EEP_GET_DMA_SPD(eep_config);
	asc_dvc->start_motor = eep_config->start_motor;
	asc_dvc->dvc_cntl = eep_config->cntl;
	asc_dvc->no_scam = eep_config->no_scam;
	asc_dvc->cfg->adapter_info[0] = eep_config->adapter_info[0];
	asc_dvc->cfg->adapter_info[1] = eep_config->adapter_info[1];
	asc_dvc->cfg->adapter_info[2] = eep_config->adapter_info[2];
	asc_dvc->cfg->adapter_info[3] = eep_config->adapter_info[3];
	asc_dvc->cfg->adapter_info[4] = eep_config->adapter_info[4];
	asc_dvc->cfg->adapter_info[5] = eep_config->adapter_info[5];
	if (!AscTestExternalLram(asc_dvc)) {
		if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) ==
		     ASC_IS_PCI_ULTRA)) {
			eep_config->max_total_qng =
			    ASC_MAX_PCI_ULTRA_INRAM_TOTAL_QNG;
			eep_config->max_tag_qng =
			    ASC_MAX_PCI_ULTRA_INRAM_TAG_QNG;
		} else {
			eep_config->cfg_msw |= 0x0800;
			cfg_msw |= 0x0800;
			AscSetChipCfgMsw(iop_base, cfg_msw);
			eep_config->max_total_qng = ASC_MAX_PCI_INRAM_TOTAL_QNG;
			eep_config->max_tag_qng = ASC_MAX_INRAM_TAG_QNG;
		}
	} else {
	}
	if (eep_config->max_total_qng < ASC_MIN_TOTAL_QNG) {
		eep_config->max_total_qng = ASC_MIN_TOTAL_QNG;
	}
	if (eep_config->max_total_qng > ASC_MAX_TOTAL_QNG) {
		eep_config->max_total_qng = ASC_MAX_TOTAL_QNG;
	}
	if (eep_config->max_tag_qng > eep_config->max_total_qng) {
		eep_config->max_tag_qng = eep_config->max_total_qng;
	}
	if (eep_config->max_tag_qng < ASC_MIN_TAG_Q_PER_DVC) {
		eep_config->max_tag_qng = ASC_MIN_TAG_Q_PER_DVC;
	}
	asc_dvc->max_total_qng = eep_config->max_total_qng;
	if ((eep_config->use_cmd_qng & eep_config->disc_enable) !=
	    eep_config->use_cmd_qng) {
		eep_config->disc_enable = eep_config->use_cmd_qng;
		warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
	}
	ASC_EEP_SET_CHIP_ID(eep_config,
			    ASC_EEP_GET_CHIP_ID(eep_config) & ASC_MAX_TID);
	asc_dvc->cfg->chip_scsi_id = ASC_EEP_GET_CHIP_ID(eep_config);
	if (((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) &&
	    !(asc_dvc->dvc_cntl & ASC_CNTL_SDTR_ENABLE_ULTRA)) {
		asc_dvc->min_sdtr_index = ASC_SDTR_ULTRA_PCI_10MB_INDEX;
	}

	for (i = 0; i <= ASC_MAX_TID; i++) {
		asc_dvc->dos_int13_table[i] = eep_config->dos_int13_table[i];
		asc_dvc->cfg->max_tag_qng[i] = eep_config->max_tag_qng;
		asc_dvc->cfg->sdtr_period_offset[i] =
		    (uchar)(ASC_DEF_SDTR_OFFSET |
			    (asc_dvc->min_sdtr_index << 4));
	}
	eep_config->cfg_msw = AscGetChipCfgMsw(iop_base);
	if (write_eep) {
		if ((i = AscSetEEPConfig(iop_base, eep_config,
				     asc_dvc->bus_type)) != 0) {
			ASC_PRINT1
			    ("AscInitFromEEP: Failed to re-write EEPROM with %d errors.\n",
			     i);
		} else {
			ASC_PRINT
			    ("AscInitFromEEP: Successfully re-wrote EEPROM.\n");
		}
	}
	return (warn_code);
}

static int AscInitGetConfig(struct Scsi_Host *shost)
{
	struct asc_board *board = shost_priv(shost);
	ASC_DVC_VAR *asc_dvc = &board->dvc_var.asc_dvc_var;
	unsigned short warn_code = 0;

	asc_dvc->init_state = ASC_INIT_STATE_BEG_GET_CFG;
	if (asc_dvc->err_code != 0)
		return asc_dvc->err_code;

	if (AscFindSignature(asc_dvc->iop_base)) {
		AscInitAscDvcVar(asc_dvc);
		warn_code = AscInitFromEEP(asc_dvc);
		asc_dvc->init_state |= ASC_INIT_STATE_END_GET_CFG;
		if (asc_dvc->scsi_reset_wait > ASC_MAX_SCSI_RESET_WAIT)
			asc_dvc->scsi_reset_wait = ASC_MAX_SCSI_RESET_WAIT;
	} else {
		asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
	}

	switch (warn_code) {
	case 0:	/* No error */
		break;
	case ASC_WARN_IO_PORT_ROTATE:
		shost_printk(KERN_WARNING, shost, "I/O port address "
				"modified\n");
		break;
	case ASC_WARN_AUTO_CONFIG:
		shost_printk(KERN_WARNING, shost, "I/O port increment switch "
				"enabled\n");
		break;
	case ASC_WARN_EEPROM_CHKSUM:
		shost_printk(KERN_WARNING, shost, "EEPROM checksum error\n");
		break;
	case ASC_WARN_IRQ_MODIFIED:
		shost_printk(KERN_WARNING, shost, "IRQ modified\n");
		break;
	case ASC_WARN_CMD_QNG_CONFLICT:
		shost_printk(KERN_WARNING, shost, "tag queuing enabled w/o "
				"disconnects\n");
		break;
	default:
		shost_printk(KERN_WARNING, shost, "unknown warning: 0x%x\n",
				warn_code);
		break;
	}

	if (asc_dvc->err_code != 0)
		shost_printk(KERN_ERR, shost, "error 0x%x at init_state "
			"0x%x\n", asc_dvc->err_code, asc_dvc->init_state);

	return asc_dvc->err_code;
}

static int AscInitSetConfig(struct pci_dev *pdev, struct Scsi_Host *shost)
{
	struct asc_board *board = shost_priv(shost);
	ASC_DVC_VAR *asc_dvc = &board->dvc_var.asc_dvc_var;
	PortAddr iop_base = asc_dvc->iop_base;
	unsigned short cfg_msw;
	unsigned short warn_code = 0;

	asc_dvc->init_state |= ASC_INIT_STATE_BEG_SET_CFG;
	if (asc_dvc->err_code != 0)
		return asc_dvc->err_code;
	if (!AscFindSignature(asc_dvc->iop_base)) {
		asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
		return asc_dvc->err_code;
	}

	cfg_msw = AscGetChipCfgMsw(iop_base);
	if ((cfg_msw & ASC_CFG_MSW_CLR_MASK) != 0) {
		cfg_msw &= ~ASC_CFG_MSW_CLR_MASK;
		warn_code |= ASC_WARN_CFG_MSW_RECOVER;
		AscSetChipCfgMsw(iop_base, cfg_msw);
	}
	if ((asc_dvc->cfg->cmd_qng_enabled & asc_dvc->cfg->disc_enable) !=
	    asc_dvc->cfg->cmd_qng_enabled) {
		asc_dvc->cfg->disc_enable = asc_dvc->cfg->cmd_qng_enabled;
		warn_code |= ASC_WARN_CMD_QNG_CONFLICT;
	}
	if (AscGetChipStatus(iop_base) & CSW_AUTO_CONFIG) {
		warn_code |= ASC_WARN_AUTO_CONFIG;
	}
#ifdef CONFIG_PCI
	if (asc_dvc->bus_type & ASC_IS_PCI) {
		cfg_msw &= 0xFFC0;
		AscSetChipCfgMsw(iop_base, cfg_msw);
		if ((asc_dvc->bus_type & ASC_IS_PCI_ULTRA) == ASC_IS_PCI_ULTRA) {
		} else {
			if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) ||
			    (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) {
				asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_IF_NOT_DWB;
				asc_dvc->bug_fix_cntl |=
				    ASC_BUG_FIX_ASYN_USE_SYN;
			}
		}
	} else
#endif /* CONFIG_PCI */
	if (asc_dvc->bus_type == ASC_IS_ISAPNP) {
		if (AscGetChipVersion(iop_base, asc_dvc->bus_type)
		    == ASC_CHIP_VER_ASYN_BUG) {
			asc_dvc->bug_fix_cntl |= ASC_BUG_FIX_ASYN_USE_SYN;
		}
	}
	if (AscSetChipScsiID(iop_base, asc_dvc->cfg->chip_scsi_id) !=
	    asc_dvc->cfg->chip_scsi_id) {
		asc_dvc->err_code |= ASC_IERR_SET_SCSI_ID;
	}
#ifdef CONFIG_ISA
	if (asc_dvc->bus_type & ASC_IS_ISA) {
		AscSetIsaDmaChannel(iop_base, asc_dvc->cfg->isa_dma_channel);
		AscSetIsaDmaSpeed(iop_base, asc_dvc->cfg->isa_dma_speed);
	}
#endif /* CONFIG_ISA */

	asc_dvc->init_state |= ASC_INIT_STATE_END_SET_CFG;

	switch (warn_code) {
	case 0:	/* No error. */
		break;
	case ASC_WARN_IO_PORT_ROTATE:
		shost_printk(KERN_WARNING, shost, "I/O port address "
				"modified\n");
		break;
	case ASC_WARN_AUTO_CONFIG:
		shost_printk(KERN_WARNING, shost, "I/O port increment switch "
				"enabled\n");
		break;
	case ASC_WARN_EEPROM_CHKSUM:
		shost_printk(KERN_WARNING, shost, "EEPROM checksum error\n");
		break;
	case ASC_WARN_IRQ_MODIFIED:
		shost_printk(KERN_WARNING, shost, "IRQ modified\n");
		break;
	case ASC_WARN_CMD_QNG_CONFLICT:
		shost_printk(KERN_WARNING, shost, "tag queuing w/o "
				"disconnects\n");
		break;
	default:
		shost_printk(KERN_WARNING, shost, "unknown warning: 0x%x\n",
				warn_code);
		break;
	}

	if (asc_dvc->err_code != 0)
		shost_printk(KERN_ERR, shost, "error 0x%x at init_state "
			"0x%x\n", asc_dvc->err_code, asc_dvc->init_state);

	return asc_dvc->err_code;
}

/*
 * EEPROM Configuration.
 *
 * All drivers should use this structure to set the default EEPROM
 * configuration. The BIOS now uses this structure when it is built.
 * Additional structure information can be found in a_condor.h where
 * the structure is defined.
 *
 * The *_Field_IsChar structs are needed to correct for endianness.
 * These values are read from the board 16 bits at a time directly
 * into the structs. Because some fields are char, the values will be
 * in the wrong order. The *_Field_IsChar tells when to flip the
 * bytes. Data read and written to PCI memory is automatically swapped
 * on big-endian platforms so char fields read as words are actually being
 * unswapped on big-endian platforms.
 */
#ifdef CONFIG_PCI
static ADVEEP_3550_CONFIG Default_3550_EEPROM_Config = {
	ADV_EEPROM_BIOS_ENABLE,	/* cfg_lsw */
	0x0000,			/* cfg_msw */
	0xFFFF,			/* disc_enable */
	0xFFFF,			/* wdtr_able */
	0xFFFF,			/* sdtr_able */
	0xFFFF,			/* start_motor */
	0xFFFF,			/* tagqng_able */
	0xFFFF,			/* bios_scan */
	0,			/* scam_tolerant */
	7,			/* adapter_scsi_id */
	0,			/* bios_boot_delay */
	3,			/* scsi_reset_delay */
	0,			/* bios_id_lun */
	0,			/* termination */
	0,			/* reserved1 */
	0xFFE7,			/* bios_ctrl */
	0xFFFF,			/* ultra_able */
	0,			/* reserved2 */
	ASC_DEF_MAX_HOST_QNG,	/* max_host_qng */
	ASC_DEF_MAX_DVC_QNG,	/* max_dvc_qng */
	0,			/* dvc_cntl */
	0,			/* bug_fix */
	0,			/* serial_number_word1 */
	0,			/* serial_number_word2 */
	0,			/* serial_number_word3 */
	0,			/* check_sum */
	{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
	,			/* oem_name[16] */
	0,			/* dvc_err_code */
	0,			/* adv_err_code */
	0,			/* adv_err_addr */
	0,			/* saved_dvc_err_code */
	0,			/* saved_adv_err_code */
	0,			/* saved_adv_err_addr */
	0			/* num_of_err */
};

static ADVEEP_3550_CONFIG ADVEEP_3550_Config_Field_IsChar = {
	0,			/* cfg_lsw */
	0,			/* cfg_msw */
	0,			/* -disc_enable */
	0,			/* wdtr_able */
	0,			/* sdtr_able */
	0,			/* start_motor */
	0,			/* tagqng_able */
	0,			/* bios_scan */
	0,			/* scam_tolerant */
	1,			/* adapter_scsi_id */
	1,			/* bios_boot_delay */
	1,			/* scsi_reset_delay */
	1,			/* bios_id_lun */
	1,			/* termination */
	1,			/* reserved1 */
	0,			/* bios_ctrl */
	0,			/* ultra_able */
	0,			/* reserved2 */
	1,			/* max_host_qng */
	1,			/* max_dvc_qng */
	0,			/* dvc_cntl */
	0,			/* bug_fix */
	0,			/* serial_number_word1 */
	0,			/* serial_number_word2 */
	0,			/* serial_number_word3 */
	0,			/* check_sum */
	{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
	,			/* oem_name[16] */
	0,			/* dvc_err_code */
	0,			/* adv_err_code */
	0,			/* adv_err_addr */
	0,			/* saved_dvc_err_code */
	0,			/* saved_adv_err_code */
	0,			/* saved_adv_err_addr */
	0			/* num_of_err */
};

static ADVEEP_38C0800_CONFIG Default_38C0800_EEPROM_Config = {
	ADV_EEPROM_BIOS_ENABLE,	/* 00 cfg_lsw */
	0x0000,			/* 01 cfg_msw */
	0xFFFF,			/* 02 disc_enable */
	0xFFFF,			/* 03 wdtr_able */
	0x4444,			/* 04 sdtr_speed1 */
	0xFFFF,			/* 05 start_motor */
	0xFFFF,			/* 06 tagqng_able */
	0xFFFF,			/* 07 bios_scan */
	0,			/* 08 scam_tolerant */
	7,			/* 09 adapter_scsi_id */
	0,			/*    bios_boot_delay */
	3,			/* 10 scsi_reset_delay */
	0,			/*    bios_id_lun */
	0,			/* 11 termination_se */
	0,			/*    termination_lvd */
	0xFFE7,			/* 12 bios_ctrl */
	0x4444,			/* 13 sdtr_speed2 */
	0x4444,			/* 14 sdtr_speed3 */
	ASC_DEF_MAX_HOST_QNG,	/* 15 max_host_qng */
	ASC_DEF_MAX_DVC_QNG,	/*    max_dvc_qng */
	0,			/* 16 dvc_cntl */
	0x4444,			/* 17 sdtr_speed4 */
	0,			/* 18 serial_number_word1 */
	0,			/* 19 serial_number_word2 */
	0,			/* 20 serial_number_word3 */
	0,			/* 21 check_sum */
	{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
	,			/* 22-29 oem_name[16] */
	0,			/* 30 dvc_err_code */
	0,			/* 31 adv_err_code */
	0,			/* 32 adv_err_addr */
	0,			/* 33 saved_dvc_err_code */
	0,			/* 34 saved_adv_err_code */
	0,			/* 35 saved_adv_err_addr */
	0,			/* 36 reserved */
	0,			/* 37 reserved */
	0,			/* 38 reserved */
	0,			/* 39 reserved */
	0,			/* 40 reserved */
	0,			/* 41 reserved */
	0,			/* 42 reserved */
	0,			/* 43 reserved */
	0,			/* 44 reserved */
	0,			/* 45 reserved */
	0,			/* 46 reserved */
	0,			/* 47 reserved */
	0,			/* 48 reserved */
	0,			/* 49 reserved */
	0,			/* 50 reserved */
	0,			/* 51 reserved */
	0,			/* 52 reserved */
	0,			/* 53 reserved */
	0,			/* 54 reserved */
	0,			/* 55 reserved */
	0,			/* 56 cisptr_lsw */
	0,			/* 57 cisprt_msw */
	PCI_VENDOR_ID_ASP,	/* 58 subsysvid */
	PCI_DEVICE_ID_38C0800_REV1,	/* 59 subsysid */
	0,			/* 60 reserved */
	0,			/* 61 reserved */
	0,			/* 62 reserved */
	0			/* 63 reserved */
};

static ADVEEP_38C0800_CONFIG ADVEEP_38C0800_Config_Field_IsChar = {
	0,			/* 00 cfg_lsw */
	0,			/* 01 cfg_msw */
	0,			/* 02 disc_enable */
	0,			/* 03 wdtr_able */
	0,			/* 04 sdtr_speed1 */
	0,			/* 05 start_motor */
	0,			/* 06 tagqng_able */
	0,			/* 07 bios_scan */
	0,			/* 08 scam_tolerant */
	1,			/* 09 adapter_scsi_id */
	1,			/*    bios_boot_delay */
	1,			/* 10 scsi_reset_delay */
	1,			/*    bios_id_lun */
	1,			/* 11 termination_se */
	1,			/*    termination_lvd */
	0,			/* 12 bios_ctrl */
	0,			/* 13 sdtr_speed2 */
	0,			/* 14 sdtr_speed3 */
	1,			/* 15 max_host_qng */
	1,			/*    max_dvc_qng */
	0,			/* 16 dvc_cntl */
	0,			/* 17 sdtr_speed4 */
	0,			/* 18 serial_number_word1 */
	0,			/* 19 serial_number_word2 */
	0,			/* 20 serial_number_word3 */
	0,			/* 21 check_sum */
	{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
	,			/* 22-29 oem_name[16] */
	0,			/* 30 dvc_err_code */
	0,			/* 31 adv_err_code */
	0,			/* 32 adv_err_addr */
	0,			/* 33 saved_dvc_err_code */
	0,			/* 34 saved_adv_err_code */
	0,			/* 35 saved_adv_err_addr */
	0,			/* 36 reserved */
	0,			/* 37 reserved */
	0,			/* 38 reserved */
	0,			/* 39 reserved */
	0,			/* 40 reserved */
	0,			/* 41 reserved */
	0,			/* 42 reserved */
	0,			/* 43 reserved */
	0,			/* 44 reserved */
	0,			/* 45 reserved */
	0,			/* 46 reserved */
	0,			/* 47 reserved */
	0,			/* 48 reserved */
	0,			/* 49 reserved */
	0,			/* 50 reserved */
	0,			/* 51 reserved */
	0,			/* 52 reserved */
	0,			/* 53 reserved */
	0,			/* 54 reserved */
	0,			/* 55 reserved */
	0,			/* 56 cisptr_lsw */
	0,			/* 57 cisprt_msw */
	0,			/* 58 subsysvid */
	0,			/* 59 subsysid */
	0,			/* 60 reserved */
	0,			/* 61 reserved */
	0,			/* 62 reserved */
	0			/* 63 reserved */
};

static ADVEEP_38C1600_CONFIG Default_38C1600_EEPROM_Config = {
	ADV_EEPROM_BIOS_ENABLE,	/* 00 cfg_lsw */
	0x0000,			/* 01 cfg_msw */
	0xFFFF,			/* 02 disc_enable */
	0xFFFF,			/* 03 wdtr_able */
	0x5555,			/* 04 sdtr_speed1 */
	0xFFFF,			/* 05 start_motor */
	0xFFFF,			/* 06 tagqng_able */
	0xFFFF,			/* 07 bios_scan */
	0,			/* 08 scam_tolerant */
	7,			/* 09 adapter_scsi_id */
	0,			/*    bios_boot_delay */
	3,			/* 10 scsi_reset_delay */
	0,			/*    bios_id_lun */
	0,			/* 11 termination_se */
	0,			/*    termination_lvd */
	0xFFE7,			/* 12 bios_ctrl */
	0x5555,			/* 13 sdtr_speed2 */
	0x5555,			/* 14 sdtr_speed3 */
	ASC_DEF_MAX_HOST_QNG,	/* 15 max_host_qng */
	ASC_DEF_MAX_DVC_QNG,	/*    max_dvc_qng */
	0,			/* 16 dvc_cntl */
	0x5555,			/* 17 sdtr_speed4 */
	0,			/* 18 serial_number_word1 */
	0,			/* 19 serial_number_word2 */
	0,			/* 20 serial_number_word3 */
	0,			/* 21 check_sum */
	{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
	,			/* 22-29 oem_name[16] */
	0,			/* 30 dvc_err_code */
	0,			/* 31 adv_err_code */
	0,			/* 32 adv_err_addr */
	0,			/* 33 saved_dvc_err_code */
	0,			/* 34 saved_adv_err_code */
	0,			/* 35 saved_adv_err_addr */
	0,			/* 36 reserved */
	0,			/* 37 reserved */
	0,			/* 38 reserved */
	0,			/* 39 reserved */
	0,			/* 40 reserved */
	0,			/* 41 reserved */
	0,			/* 42 reserved */
	0,			/* 43 reserved */
	0,			/* 44 reserved */
	0,			/* 45 reserved */
	0,			/* 46 reserved */
	0,			/* 47 reserved */
	0,			/* 48 reserved */
	0,			/* 49 reserved */
	0,			/* 50 reserved */
	0,			/* 51 reserved */
	0,			/* 52 reserved */
	0,			/* 53 reserved */
	0,			/* 54 reserved */
	0,			/* 55 reserved */
	0,			/* 56 cisptr_lsw */
	0,			/* 57 cisprt_msw */
	PCI_VENDOR_ID_ASP,	/* 58 subsysvid */
	PCI_DEVICE_ID_38C1600_REV1,	/* 59 subsysid */
	0,			/* 60 reserved */
	0,			/* 61 reserved */
	0,			/* 62 reserved */
	0			/* 63 reserved */
};

static ADVEEP_38C1600_CONFIG ADVEEP_38C1600_Config_Field_IsChar = {
	0,			/* 00 cfg_lsw */
	0,			/* 01 cfg_msw */
	0,			/* 02 disc_enable */
	0,			/* 03 wdtr_able */
	0,			/* 04 sdtr_speed1 */
	0,			/* 05 start_motor */
	0,			/* 06 tagqng_able */
	0,			/* 07 bios_scan */
	0,			/* 08 scam_tolerant */
	1,			/* 09 adapter_scsi_id */
	1,			/*    bios_boot_delay */
	1,			/* 10 scsi_reset_delay */
	1,			/*    bios_id_lun */
	1,			/* 11 termination_se */
	1,			/*    termination_lvd */
	0,			/* 12 bios_ctrl */
	0,			/* 13 sdtr_speed2 */
	0,			/* 14 sdtr_speed3 */
	1,			/* 15 max_host_qng */
	1,			/*    max_dvc_qng */
	0,			/* 16 dvc_cntl */
	0,			/* 17 sdtr_speed4 */
	0,			/* 18 serial_number_word1 */
	0,			/* 19 serial_number_word2 */
	0,			/* 20 serial_number_word3 */
	0,			/* 21 check_sum */
	{1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1}
	,			/* 22-29 oem_name[16] */
	0,			/* 30 dvc_err_code */
	0,			/* 31 adv_err_code */
	0,			/* 32 adv_err_addr */
	0,			/* 33 saved_dvc_err_code */
	0,			/* 34 saved_adv_err_code */
	0,			/* 35 saved_adv_err_addr */
	0,			/* 36 reserved */
	0,			/* 37 reserved */
	0,			/* 38 reserved */
	0,			/* 39 reserved */
	0,			/* 40 reserved */
	0,			/* 41 reserved */
	0,			/* 42 reserved */
	0,			/* 43 reserved */
	0,			/* 44 reserved */
	0,			/* 45 reserved */
	0,			/* 46 reserved */
	0,			/* 47 reserved */
	0,			/* 48 reserved */
	0,			/* 49 reserved */
	0,			/* 50 reserved */
	0,			/* 51 reserved */
	0,			/* 52 reserved */
	0,			/* 53 reserved */
	0,			/* 54 reserved */
	0,			/* 55 reserved */
	0,			/* 56 cisptr_lsw */
	0,			/* 57 cisprt_msw */
	0,			/* 58 subsysvid */
	0,			/* 59 subsysid */
	0,			/* 60 reserved */
	0,			/* 61 reserved */
	0,			/* 62 reserved */
	0			/* 63 reserved */
};

/*
 * Wait for EEPROM command to complete
 */
static void AdvWaitEEPCmd(AdvPortAddr iop_base)
{
	int eep_delay_ms;

	for (eep_delay_ms = 0; eep_delay_ms < ADV_EEP_DELAY_MS; eep_delay_ms++) {
		if (AdvReadWordRegister(iop_base, IOPW_EE_CMD) &
		    ASC_EEP_CMD_DONE) {
			break;
		}
		mdelay(1);
	}
	if ((AdvReadWordRegister(iop_base, IOPW_EE_CMD) & ASC_EEP_CMD_DONE) ==
	    0)
		BUG();
}

/*
 * Read the EEPROM from specified location
 */
static ushort AdvReadEEPWord(AdvPortAddr iop_base, int eep_word_addr)
{
	AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
			     ASC_EEP_CMD_READ | eep_word_addr);
	AdvWaitEEPCmd(iop_base);
	return AdvReadWordRegister(iop_base, IOPW_EE_DATA);
}

/*
 * Write the EEPROM from 'cfg_buf'.
 */
static void AdvSet3550EEPConfig(AdvPortAddr iop_base,
				ADVEEP_3550_CONFIG *cfg_buf)
{
	ushort *wbuf;
	ushort addr, chksum;
	ushort *charfields;

	wbuf = (ushort *)cfg_buf;
	charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
	chksum = 0;

	AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
	AdvWaitEEPCmd(iop_base);

	/*
	 * Write EEPROM from word 0 to word 20.
	 */
	for (addr = ADV_EEP_DVC_CFG_BEGIN;
	     addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
		ushort word;

		if (*charfields++) {
			word = cpu_to_le16(*wbuf);
		} else {
			word = *wbuf;
		}
		chksum += *wbuf;	/* Checksum is calculated from word values. */
		AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
		AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
				     ASC_EEP_CMD_WRITE | addr);
		AdvWaitEEPCmd(iop_base);
		mdelay(ADV_EEP_DELAY_MS);
	}

	/*
	 * Write EEPROM checksum at word 21.
	 */
	AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
	AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
	AdvWaitEEPCmd(iop_base);
	wbuf++;
	charfields++;

	/*
	 * Write EEPROM OEM name at words 22 to 29.
	 */
	for (addr = ADV_EEP_DVC_CTL_BEGIN;
	     addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
		ushort word;

		if (*charfields++) {
			word = cpu_to_le16(*wbuf);
		} else {
			word = *wbuf;
		}
		AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
		AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
				     ASC_EEP_CMD_WRITE | addr);
		AdvWaitEEPCmd(iop_base);
	}
	AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
	AdvWaitEEPCmd(iop_base);
}

/*
 * Write the EEPROM from 'cfg_buf'.
 */
static void AdvSet38C0800EEPConfig(AdvPortAddr iop_base,
				   ADVEEP_38C0800_CONFIG *cfg_buf)
{
	ushort *wbuf;
	ushort *charfields;
	ushort addr, chksum;

	wbuf = (ushort *)cfg_buf;
	charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
	chksum = 0;

	AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
	AdvWaitEEPCmd(iop_base);

	/*
	 * Write EEPROM from word 0 to word 20.
	 */
	for (addr = ADV_EEP_DVC_CFG_BEGIN;
	     addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
		ushort word;

		if (*charfields++) {
			word = cpu_to_le16(*wbuf);
		} else {
			word = *wbuf;
		}
		chksum += *wbuf;	/* Checksum is calculated from word values. */
		AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
		AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
				     ASC_EEP_CMD_WRITE | addr);
		AdvWaitEEPCmd(iop_base);
		mdelay(ADV_EEP_DELAY_MS);
	}

	/*
	 * Write EEPROM checksum at word 21.
	 */
	AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
	AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
	AdvWaitEEPCmd(iop_base);
	wbuf++;
	charfields++;

	/*
	 * Write EEPROM OEM name at words 22 to 29.
	 */
	for (addr = ADV_EEP_DVC_CTL_BEGIN;
	     addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
		ushort word;

		if (*charfields++) {
			word = cpu_to_le16(*wbuf);
		} else {
			word = *wbuf;
		}
		AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
		AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
				     ASC_EEP_CMD_WRITE | addr);
		AdvWaitEEPCmd(iop_base);
	}
	AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
	AdvWaitEEPCmd(iop_base);
}

/*
 * Write the EEPROM from 'cfg_buf'.
 */
static void AdvSet38C1600EEPConfig(AdvPortAddr iop_base,
				   ADVEEP_38C1600_CONFIG *cfg_buf)
{
	ushort *wbuf;
	ushort *charfields;
	ushort addr, chksum;

	wbuf = (ushort *)cfg_buf;
	charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar;
	chksum = 0;

	AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_ABLE);
	AdvWaitEEPCmd(iop_base);

	/*
	 * Write EEPROM from word 0 to word 20.
	 */
	for (addr = ADV_EEP_DVC_CFG_BEGIN;
	     addr < ADV_EEP_DVC_CFG_END; addr++, wbuf++) {
		ushort word;

		if (*charfields++) {
			word = cpu_to_le16(*wbuf);
		} else {
			word = *wbuf;
		}
		chksum += *wbuf;	/* Checksum is calculated from word values. */
		AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
		AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
				     ASC_EEP_CMD_WRITE | addr);
		AdvWaitEEPCmd(iop_base);
		mdelay(ADV_EEP_DELAY_MS);
	}

	/*
	 * Write EEPROM checksum at word 21.
	 */
	AdvWriteWordRegister(iop_base, IOPW_EE_DATA, chksum);
	AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE | addr);
	AdvWaitEEPCmd(iop_base);
	wbuf++;
	charfields++;

	/*
	 * Write EEPROM OEM name at words 22 to 29.
	 */
	for (addr = ADV_EEP_DVC_CTL_BEGIN;
	     addr < ADV_EEP_MAX_WORD_ADDR; addr++, wbuf++) {
		ushort word;

		if (*charfields++) {
			word = cpu_to_le16(*wbuf);
		} else {
			word = *wbuf;
		}
		AdvWriteWordRegister(iop_base, IOPW_EE_DATA, word);
		AdvWriteWordRegister(iop_base, IOPW_EE_CMD,
				     ASC_EEP_CMD_WRITE | addr);
		AdvWaitEEPCmd(iop_base);
	}
	AdvWriteWordRegister(iop_base, IOPW_EE_CMD, ASC_EEP_CMD_WRITE_DISABLE);
	AdvWaitEEPCmd(iop_base);
}

/*
 * Read EEPROM configuration into the specified buffer.
 *
 * Return a checksum based on the EEPROM configuration read.
 */
static ushort AdvGet3550EEPConfig(AdvPortAddr iop_base,
				  ADVEEP_3550_CONFIG *cfg_buf)
{
	ushort wval, chksum;
	ushort *wbuf;
	int eep_addr;
	ushort *charfields;

	charfields = (ushort *)&ADVEEP_3550_Config_Field_IsChar;
	wbuf = (ushort *)cfg_buf;
	chksum = 0;

	for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
	     eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
		wval = AdvReadEEPWord(iop_base, eep_addr);
		chksum += wval;	/* Checksum is calculated from word values. */
		if (*charfields++) {
			*wbuf = le16_to_cpu(wval);
		} else {
			*wbuf = wval;
		}
	}
	/* Read checksum word. */
	*wbuf = AdvReadEEPWord(iop_base, eep_addr);
	wbuf++;
	charfields++;

	/* Read rest of EEPROM not covered by the checksum. */
	for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
	     eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
		*wbuf = AdvReadEEPWord(iop_base, eep_addr);
		if (*charfields++) {
			*wbuf = le16_to_cpu(*wbuf);
		}
	}
	return chksum;
}

/*
 * Read EEPROM configuration into the specified buffer.
 *
 * Return a checksum based on the EEPROM configuration read.
 */
static ushort AdvGet38C0800EEPConfig(AdvPortAddr iop_base,
				     ADVEEP_38C0800_CONFIG *cfg_buf)
{
	ushort wval, chksum;
	ushort *wbuf;
	int eep_addr;
	ushort *charfields;

	charfields = (ushort *)&ADVEEP_38C0800_Config_Field_IsChar;
	wbuf = (ushort *)cfg_buf;
	chksum = 0;

	for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
	     eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
		wval = AdvReadEEPWord(iop_base, eep_addr);
		chksum += wval;	/* Checksum is calculated from word values. */
		if (*charfields++) {
			*wbuf = le16_to_cpu(wval);
		} else {
			*wbuf = wval;
		}
	}
	/* Read checksum word. */
	*wbuf = AdvReadEEPWord(iop_base, eep_addr);
	wbuf++;
	charfields++;

	/* Read rest of EEPROM not covered by the checksum. */
	for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
	     eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
		*wbuf = AdvReadEEPWord(iop_base, eep_addr);
		if (*charfields++) {
			*wbuf = le16_to_cpu(*wbuf);
		}
	}
	return chksum;
}

/*
 * Read EEPROM configuration into the specified buffer.
 *
 * Return a checksum based on the EEPROM configuration read.
 */
static ushort AdvGet38C1600EEPConfig(AdvPortAddr iop_base,
				     ADVEEP_38C1600_CONFIG *cfg_buf)
{
	ushort wval, chksum;
	ushort *wbuf;
	int eep_addr;
	ushort *charfields;

	charfields = (ushort *)&ADVEEP_38C1600_Config_Field_IsChar;
	wbuf = (ushort *)cfg_buf;
	chksum = 0;

	for (eep_addr = ADV_EEP_DVC_CFG_BEGIN;
	     eep_addr < ADV_EEP_DVC_CFG_END; eep_addr++, wbuf++) {
		wval = AdvReadEEPWord(iop_base, eep_addr);
		chksum += wval;	/* Checksum is calculated from word values. */
		if (*charfields++) {
			*wbuf = le16_to_cpu(wval);
		} else {
			*wbuf = wval;
		}
	}
	/* Read checksum word. */
	*wbuf = AdvReadEEPWord(iop_base, eep_addr);
	wbuf++;
	charfields++;

	/* Read rest of EEPROM not covered by the checksum. */
	for (eep_addr = ADV_EEP_DVC_CTL_BEGIN;
	     eep_addr < ADV_EEP_MAX_WORD_ADDR; eep_addr++, wbuf++) {
		*wbuf = AdvReadEEPWord(iop_base, eep_addr);
		if (*charfields++) {
			*wbuf = le16_to_cpu(*wbuf);
		}
	}
	return chksum;
}

/*
 * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
 * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
 * all of this is done.
 *
 * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
 *
 * For a non-fatal error return a warning code. If there are no warnings
 * then 0 is returned.
 *
 * Note: Chip is stopped on entry.
 */
static int AdvInitFrom3550EEP(ADV_DVC_VAR *asc_dvc)
{
	AdvPortAddr iop_base;
	ushort warn_code;
	ADVEEP_3550_CONFIG eep_config;

	iop_base = asc_dvc->iop_base;

	warn_code = 0;

	/*
	 * Read the board's EEPROM configuration.
	 *
	 * Set default values if a bad checksum is found.
	 */
	if (AdvGet3550EEPConfig(iop_base, &eep_config) != eep_config.check_sum) {
		warn_code |= ASC_WARN_EEPROM_CHKSUM;

		/*
		 * Set EEPROM default values.
		 */
		memcpy(&eep_config, &Default_3550_EEPROM_Config,
			sizeof(ADVEEP_3550_CONFIG));

		/*
		 * Assume the 6 byte board serial number that was read from
		 * EEPROM is correct even if the EEPROM checksum failed.
		 */
		eep_config.serial_number_word3 =
		    AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);

		eep_config.serial_number_word2 =
		    AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);

		eep_config.serial_number_word1 =
		    AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);

		AdvSet3550EEPConfig(iop_base, &eep_config);
	}
	/*
	 * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
	 * EEPROM configuration that was read.
	 *
	 * This is the mapping of EEPROM fields to Adv Library fields.
	 */
	asc_dvc->wdtr_able = eep_config.wdtr_able;
	asc_dvc->sdtr_able = eep_config.sdtr_able;
	asc_dvc->ultra_able = eep_config.ultra_able;
	asc_dvc->tagqng_able = eep_config.tagqng_able;
	asc_dvc->cfg->disc_enable = eep_config.disc_enable;
	asc_dvc->max_host_qng = eep_config.max_host_qng;
	asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
	asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
	asc_dvc->start_motor = eep_config.start_motor;
	asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
	asc_dvc->bios_ctrl = eep_config.bios_ctrl;
	asc_dvc->no_scam = eep_config.scam_tolerant;
	asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
	asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
	asc_dvc->cfg->serial3 = eep_config.serial_number_word3;

	/*
	 * Set the host maximum queuing (max. 253, min. 16) and the per device
	 * maximum queuing (max. 63, min. 4).
	 */
	if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
		eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
	} else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
		/* If the value is zero, assume it is uninitialized. */
		if (eep_config.max_host_qng == 0) {
			eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
		} else {
			eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
		}
	}

	if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
		eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
	} else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
		/* If the value is zero, assume it is uninitialized. */
		if (eep_config.max_dvc_qng == 0) {
			eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
		} else {
			eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
		}
	}

	/*
	 * If 'max_dvc_qng' is greater than 'max_host_qng', then
	 * set 'max_dvc_qng' to 'max_host_qng'.
	 */
	if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
		eep_config.max_dvc_qng = eep_config.max_host_qng;
	}

	/*
	 * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
	 * values based on possibly adjusted EEPROM values.
	 */
	asc_dvc->max_host_qng = eep_config.max_host_qng;
	asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;

	/*
	 * If the EEPROM 'termination' field is set to automatic (0), then set
	 * the ADV_DVC_CFG 'termination' field to automatic also.
	 *
	 * If the termination is specified with a non-zero 'termination'
	 * value check that a legal value is set and set the ADV_DVC_CFG
	 * 'termination' field appropriately.
	 */
	if (eep_config.termination == 0) {
		asc_dvc->cfg->termination = 0;	/* auto termination */
	} else {
		/* Enable manual control with low off / high off. */
		if (eep_config.termination == 1) {
			asc_dvc->cfg->termination = TERM_CTL_SEL;

			/* Enable manual control with low off / high on. */
		} else if (eep_config.termination == 2) {
			asc_dvc->cfg->termination = TERM_CTL_SEL | TERM_CTL_H;

			/* Enable manual control with low on / high on. */
		} else if (eep_config.termination == 3) {
			asc_dvc->cfg->termination =
			    TERM_CTL_SEL | TERM_CTL_H | TERM_CTL_L;
		} else {
			/*
			 * The EEPROM 'termination' field contains a bad value. Use
			 * automatic termination instead.
			 */
			asc_dvc->cfg->termination = 0;
			warn_code |= ASC_WARN_EEPROM_TERMINATION;
		}
	}

	return warn_code;
}

/*
 * Read the board's EEPROM configuration. Set fields in ADV_DVC_VAR and
 * ADV_DVC_CFG based on the EEPROM settings. The chip is stopped while
 * all of this is done.
 *
 * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
 *
 * For a non-fatal error return a warning code. If there are no warnings
 * then 0 is returned.
 *
 * Note: Chip is stopped on entry.
 */
static int AdvInitFrom38C0800EEP(ADV_DVC_VAR *asc_dvc)
{
	AdvPortAddr iop_base;
	ushort warn_code;
	ADVEEP_38C0800_CONFIG eep_config;
	uchar tid, termination;
	ushort sdtr_speed = 0;

	iop_base = asc_dvc->iop_base;

	warn_code = 0;

	/*
	 * Read the board's EEPROM configuration.
	 *
	 * Set default values if a bad checksum is found.
	 */
	if (AdvGet38C0800EEPConfig(iop_base, &eep_config) !=
	    eep_config.check_sum) {
		warn_code |= ASC_WARN_EEPROM_CHKSUM;

		/*
		 * Set EEPROM default values.
		 */
		memcpy(&eep_config, &Default_38C0800_EEPROM_Config,
			sizeof(ADVEEP_38C0800_CONFIG));

		/*
		 * Assume the 6 byte board serial number that was read from
		 * EEPROM is correct even if the EEPROM checksum failed.
		 */
		eep_config.serial_number_word3 =
		    AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);

		eep_config.serial_number_word2 =
		    AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);

		eep_config.serial_number_word1 =
		    AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);

		AdvSet38C0800EEPConfig(iop_base, &eep_config);
	}
	/*
	 * Set ADV_DVC_VAR and ADV_DVC_CFG variables from the
	 * EEPROM configuration that was read.
	 *
	 * This is the mapping of EEPROM fields to Adv Library fields.
	 */
	asc_dvc->wdtr_able = eep_config.wdtr_able;
	asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
	asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
	asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
	asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
	asc_dvc->tagqng_able = eep_config.tagqng_able;
	asc_dvc->cfg->disc_enable = eep_config.disc_enable;
	asc_dvc->max_host_qng = eep_config.max_host_qng;
	asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
	asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ADV_MAX_TID);
	asc_dvc->start_motor = eep_config.start_motor;
	asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
	asc_dvc->bios_ctrl = eep_config.bios_ctrl;
	asc_dvc->no_scam = eep_config.scam_tolerant;
	asc_dvc->cfg->serial1 = eep_config.serial_number_word1;
	asc_dvc->cfg->serial2 = eep_config.serial_number_word2;
	asc_dvc->cfg->serial3 = eep_config.serial_number_word3;

	/*
	 * For every Target ID if any of its 'sdtr_speed[1234]' bits
	 * are set, then set an 'sdtr_able' bit for it.
	 */
	asc_dvc->sdtr_able = 0;
	for (tid = 0; tid <= ADV_MAX_TID; tid++) {
		if (tid == 0) {
			sdtr_speed = asc_dvc->sdtr_speed1;
		} else if (tid == 4) {
			sdtr_speed = asc_dvc->sdtr_speed2;
		} else if (tid == 8) {
			sdtr_speed = asc_dvc->sdtr_speed3;
		} else if (tid == 12) {
			sdtr_speed = asc_dvc->sdtr_speed4;
		}
		if (sdtr_speed & ADV_MAX_TID) {
			asc_dvc->sdtr_able |= (1 << tid);
		}
		sdtr_speed >>= 4;
	}

	/*
	 * Set the host maximum queuing (max. 253, min. 16) and the per device
	 * maximum queuing (max. 63, min. 4).
	 */
	if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
		eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
	} else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
		/* If the value is zero, assume it is uninitialized. */
		if (eep_config.max_host_qng == 0) {
			eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
		} else {
			eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
		}
	}

	if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
		eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
	} else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
		/* If the value is zero, assume it is uninitialized. */
		if (eep_config.max_dvc_qng == 0) {
			eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
		} else {
			eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
		}
	}

	/*
	 * If 'max_dvc_qng' is greater than 'max_host_qng', then
	 * set 'max_dvc_qng' to 'max_host_qng'.
	 */
	if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
		eep_config.max_dvc_qng = eep_config.max_host_qng;
	}

	/*
	 * Set ADV_DVC_VAR 'max_host_qng' and ADV_DVC_VAR 'max_dvc_qng'
	 * values based on possibly adjusted EEPROM values.
	 */
	asc_dvc->max_host_qng = eep_config.max_host_qng;
	asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;

	/*
	 * If the EEPROM 'termination' field is set to automatic (0), then set
	 * the ADV_DVC_CFG 'termination' field to automatic also.
	 *
	 * If the termination is specified with a non-zero 'termination'
	 * value check that a legal value is set and set the ADV_DVC_CFG
	 * 'termination' field appropriately.
	 */
	if (eep_config.termination_se == 0) {
		termination = 0;	/* auto termination for SE */
	} else {
		/* Enable manual control with low off / high off. */
		if (eep_config.termination_se == 1) {
			termination = 0;

			/* Enable manual control with low off / high on. */
		} else if (eep_config.termination_se == 2) {
			termination = TERM_SE_HI;

			/* Enable manual control with low on / high on. */
		} else if (eep_config.termination_se == 3) {
			termination = TERM_SE;
		} else {
			/*
			 * The EEPROM 'termination_se' field contains a bad value.
			 * Use automatic termination instead.
			 */
			termination = 0;
			warn_code |= ASC_WARN_EEPROM_TERMINATION;
		}
	}

	if (eep_config.termination_lvd == 0) {
		asc_dvc->cfg->termination = termination;	/* auto termination for LVD */
	} else {
		/* Enable manual control with low off / high off. */
		if (eep_config.termination_lvd == 1) {
			asc_dvc->cfg->termination = termination;

			/* Enable manual control with low off / high on. */
		} else if (eep_config.termination_lvd == 2) {
			asc_dvc->cfg->termination = termination | TERM_LVD_HI;

			/* Enable manual control with low on / high on. */
		} else if (eep_config.termination_lvd == 3) {
			asc_dvc->cfg->termination = termination | TERM_LVD;
		} else {
			/*
			 * The EEPROM 'termination_lvd' field contains a bad value.
			 * Use automatic termination instead.
			 */
			asc_dvc->cfg->termination = termination;
			warn_code |= ASC_WARN_EEPROM_TERMINATION;
		}
	}

	return warn_code;
}

/*
 * Read the board's EEPROM configuration. Set fields in ASC_DVC_VAR and
 * ASC_DVC_CFG based on the EEPROM settings. The chip is stopped while
 * all of this is done.
 *
 * On failure set the ASC_DVC_VAR field 'err_code' and return ADV_ERROR.
 *
 * For a non-fatal error return a warning code. If there are no warnings
 * then 0 is returned.
 *
 * Note: Chip is stopped on entry.
 */
static int AdvInitFrom38C1600EEP(ADV_DVC_VAR *asc_dvc)
{
	AdvPortAddr iop_base;
	ushort warn_code;
	ADVEEP_38C1600_CONFIG eep_config;
	uchar tid, termination;
	ushort sdtr_speed = 0;

	iop_base = asc_dvc->iop_base;

	warn_code = 0;

	/*
	 * Read the board's EEPROM configuration.
	 *
	 * Set default values if a bad checksum is found.
	 */
	if (AdvGet38C1600EEPConfig(iop_base, &eep_config) !=
	    eep_config.check_sum) {
		struct pci_dev *pdev = adv_dvc_to_pdev(asc_dvc);
		warn_code |= ASC_WARN_EEPROM_CHKSUM;

		/*
		 * Set EEPROM default values.
		 */
		memcpy(&eep_config, &Default_38C1600_EEPROM_Config,
			sizeof(ADVEEP_38C1600_CONFIG));

		if (PCI_FUNC(pdev->devfn) != 0) {
			u8 ints;
			/*
			 * Disable Bit 14 (BIOS_ENABLE) to fix SPARC Ultra 60
			 * and old Mac system booting problem. The Expansion
			 * ROM must be disabled in Function 1 for these systems
			 */
			eep_config.cfg_lsw &= ~ADV_EEPROM_BIOS_ENABLE;
			/*
			 * Clear the INTAB (bit 11) if the GPIO 0 input
			 * indicates the Function 1 interrupt line is wired
			 * to INTB.
			 *
			 * Set/Clear Bit 11 (INTAB) from the GPIO bit 0 input:
			 *   1 - Function 1 interrupt line wired to INT A.
			 *   0 - Function 1 interrupt line wired to INT B.
			 *
			 * Note: Function 0 is always wired to INTA.
			 * Put all 5 GPIO bits in input mode and then read
			 * their input values.
			 */
			AdvWriteByteRegister(iop_base, IOPB_GPIO_CNTL, 0);
			ints = AdvReadByteRegister(iop_base, IOPB_GPIO_DATA);
			if ((ints & 0x01) == 0)
				eep_config.cfg_lsw &= ~ADV_EEPROM_INTAB;
		}

		/*
		 * Assume the 6 byte board serial number that was read from
		 * EEPROM is correct even if the EEPROM checksum failed.
		 */
		eep_config.serial_number_word3 =
			AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 1);
		eep_config.serial_number_word2 =
			AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 2);
		eep_config.serial_number_word1 =
			AdvReadEEPWord(iop_base, ADV_EEP_DVC_CFG_END - 3);

		AdvSet38C1600EEPConfig(iop_base, &eep_config);
	}

	/*
	 * Set ASC_DVC_VAR and ASC_DVC_CFG variables from the
	 * EEPROM configuration that was read.
	 *
	 * This is the mapping of EEPROM fields to Adv Library fields.
	 */
	asc_dvc->wdtr_able = eep_config.wdtr_able;
	asc_dvc->sdtr_speed1 = eep_config.sdtr_speed1;
	asc_dvc->sdtr_speed2 = eep_config.sdtr_speed2;
	asc_dvc->sdtr_speed3 = eep_config.sdtr_speed3;
	asc_dvc->sdtr_speed4 = eep_config.sdtr_speed4;
	asc_dvc->ppr_able = 0;
	asc_dvc->tagqng_able = eep_config.tagqng_able;
	asc_dvc->cfg->disc_enable = eep_config.disc_enable;
	asc_dvc->max_host_qng = eep_config.max_host_qng;
	asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;
	asc_dvc->chip_scsi_id = (eep_config.adapter_scsi_id & ASC_MAX_TID);
	asc_dvc->start_motor = eep_config.start_motor;
	asc_dvc->scsi_reset_wait = eep_config.scsi_reset_delay;
	asc_dvc->bios_ctrl = eep_config.bios_ctrl;
	asc_dvc->no_scam = eep_config.scam_tolerant;

	/*
	 * For every Target ID if any of its 'sdtr_speed[1234]' bits
	 * are set, then set an 'sdtr_able' bit for it.
	 */
	asc_dvc->sdtr_able = 0;
	for (tid = 0; tid <= ASC_MAX_TID; tid++) {
		if (tid == 0) {
			sdtr_speed = asc_dvc->sdtr_speed1;
		} else if (tid == 4) {
			sdtr_speed = asc_dvc->sdtr_speed2;
		} else if (tid == 8) {
			sdtr_speed = asc_dvc->sdtr_speed3;
		} else if (tid == 12) {
			sdtr_speed = asc_dvc->sdtr_speed4;
		}
		if (sdtr_speed & ASC_MAX_TID) {
			asc_dvc->sdtr_able |= (1 << tid);
		}
		sdtr_speed >>= 4;
	}

	/*
	 * Set the host maximum queuing (max. 253, min. 16) and the per device
	 * maximum queuing (max. 63, min. 4).
	 */
	if (eep_config.max_host_qng > ASC_DEF_MAX_HOST_QNG) {
		eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
	} else if (eep_config.max_host_qng < ASC_DEF_MIN_HOST_QNG) {
		/* If the value is zero, assume it is uninitialized. */
		if (eep_config.max_host_qng == 0) {
			eep_config.max_host_qng = ASC_DEF_MAX_HOST_QNG;
		} else {
			eep_config.max_host_qng = ASC_DEF_MIN_HOST_QNG;
		}
	}

	if (eep_config.max_dvc_qng > ASC_DEF_MAX_DVC_QNG) {
		eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
	} else if (eep_config.max_dvc_qng < ASC_DEF_MIN_DVC_QNG) {
		/* If the value is zero, assume it is uninitialized. */
		if (eep_config.max_dvc_qng == 0) {
			eep_config.max_dvc_qng = ASC_DEF_MAX_DVC_QNG;
		} else {
			eep_config.max_dvc_qng = ASC_DEF_MIN_DVC_QNG;
		}
	}

	/*
	 * If 'max_dvc_qng' is greater than 'max_host_qng', then
	 * set 'max_dvc_qng' to 'max_host_qng'.
	 */
	if (eep_config.max_dvc_qng > eep_config.max_host_qng) {
		eep_config.max_dvc_qng = eep_config.max_host_qng;
	}

	/*
	 * Set ASC_DVC_VAR 'max_host_qng' and ASC_DVC_VAR 'max_dvc_qng'
	 * values based on possibly adjusted EEPROM values.
	 */
	asc_dvc->max_host_qng = eep_config.max_host_qng;
	asc_dvc->max_dvc_qng = eep_config.max_dvc_qng;

	/*
	 * If the EEPROM 'termination' field is set to automatic (0), then set
	 * the ASC_DVC_CFG 'termination' field to automatic also.
	 *
	 * If the termination is specified with a non-zero 'termination'
	 * value check that a legal value is set and set the ASC_DVC_CFG
	 * 'termination' field appropriately.
	 */
	if (eep_config.termination_se == 0) {
		termination = 0;	/* auto termination for SE */
	} else {
		/* Enable manual control with low off / high off. */
		if (eep_config.termination_se == 1) {
			termination = 0;

			/* Enable manual control with low off / high on. */
		} else if (eep_config.termination_se == 2) {
			termination = TERM_SE_HI;

			/* Enable manual control with low on / high on. */
		} else if (eep_config.termination_se == 3) {
			termination = TERM_SE;
		} else {
			/*
			 * The EEPROM 'termination_se' field contains a bad value.
			 * Use automatic termination instead.
			 */
			termination = 0;
			warn_code |= ASC_WARN_EEPROM_TERMINATION;
		}
	}

	if (eep_config.termination_lvd == 0) {
		asc_dvc->cfg->termination = termination;	/* auto termination for LVD */
	} else {
		/* Enable manual control with low off / high off. */
		if (eep_config.termination_lvd == 1) {
			asc_dvc->cfg->termination = termination;

			/* Enable manual control with low off / high on. */
		} else if (eep_config.termination_lvd == 2) {
			asc_dvc->cfg->termination = termination | TERM_LVD_HI;

			/* Enable manual control with low on / high on. */
		} else if (eep_config.termination_lvd == 3) {
			asc_dvc->cfg->termination = termination | TERM_LVD;
		} else {
			/*
			 * The EEPROM 'termination_lvd' field contains a bad value.
			 * Use automatic termination instead.
			 */
			asc_dvc->cfg->termination = termination;
			warn_code |= ASC_WARN_EEPROM_TERMINATION;
		}
	}

	return warn_code;
}

/*
 * Initialize the ADV_DVC_VAR structure.
 *
 * On failure set the ADV_DVC_VAR field 'err_code' and return ADV_ERROR.
 *
 * For a non-fatal error return a warning code. If there are no warnings
 * then 0 is returned.
 */
static int AdvInitGetConfig(struct pci_dev *pdev, struct Scsi_Host *shost)
{
	struct asc_board *board = shost_priv(shost);
	ADV_DVC_VAR *asc_dvc = &board->dvc_var.adv_dvc_var;
	unsigned short warn_code = 0;
	AdvPortAddr iop_base = asc_dvc->iop_base;
	u16 cmd;
	int status;

	asc_dvc->err_code = 0;

	/*
	 * Save the state of the PCI Configuration Command Register
	 * "Parity Error Response Control" Bit. If the bit is clear (0),
	 * in AdvInitAsc3550/38C0800Driver() tell the microcode to ignore
	 * DMA parity errors.
	 */
	asc_dvc->cfg->control_flag = 0;
	pci_read_config_word(pdev, PCI_COMMAND, &cmd);
	if ((cmd & PCI_COMMAND_PARITY) == 0)
		asc_dvc->cfg->control_flag |= CONTROL_FLAG_IGNORE_PERR;

	asc_dvc->cfg->chip_version =
	    AdvGetChipVersion(iop_base, asc_dvc->bus_type);

	ASC_DBG(1, "iopb_chip_id_1: 0x%x 0x%x\n",
		 (ushort)AdvReadByteRegister(iop_base, IOPB_CHIP_ID_1),
		 (ushort)ADV_CHIP_ID_BYTE);

	ASC_DBG(1, "iopw_chip_id_0: 0x%x 0x%x\n",
		 (ushort)AdvReadWordRegister(iop_base, IOPW_CHIP_ID_0),
		 (ushort)ADV_CHIP_ID_WORD);

	/*
	 * Reset the chip to start and allow register writes.
	 */
	if (AdvFindSignature(iop_base) == 0) {
		asc_dvc->err_code = ASC_IERR_BAD_SIGNATURE;
		return ADV_ERROR;
	} else {
		/*
		 * The caller must set 'chip_type' to a valid setting.
		 */
		if (asc_dvc->chip_type != ADV_CHIP_ASC3550 &&
		    asc_dvc->chip_type != ADV_CHIP_ASC38C0800 &&
		    asc_dvc->chip_type != ADV_CHIP_ASC38C1600) {
			asc_dvc->err_code |= ASC_IERR_BAD_CHIPTYPE;
			return ADV_ERROR;
		}

		/*
		 * Reset Chip.
		 */
		AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
				     ADV_CTRL_REG_CMD_RESET);
		mdelay(100);
		AdvWriteWordRegister(iop_base, IOPW_CTRL_REG,
				     ADV_CTRL_REG_CMD_WR_IO_REG);

		if (asc_dvc->chip_type == ADV_CHIP_ASC38C1600) {
			status = AdvInitFrom38C1600EEP(asc_dvc);
		} else if (asc_dvc->chip_type == ADV_CHIP_ASC38C0800) {
			status = AdvInitFrom38C0800EEP(asc_dvc);
		} else {
			status = AdvInitFrom3550EEP(asc_dvc);
		}
		warn_code |= status;
	}

	if (warn_code != 0)
		shost_printk(KERN_WARNING, shost, "warning: 0x%x\n", warn_code);

	if (asc_dvc->err_code)
		shost_printk(KERN_ERR, shost, "error code 0x%x\n",
				asc_dvc->err_code);

	return asc_dvc->err_code;
}
#endif

static struct scsi_host_template advansys_template = {
	.proc_name = DRV_NAME,
#ifdef CONFIG_PROC_FS
	.show_info = advansys_show_info,
#endif
	.name = DRV_NAME,
	.info = advansys_info,
	.queuecommand = advansys_queuecommand,
	.eh_host_reset_handler = advansys_reset,
	.bios_param = advansys_biosparam,
	.slave_configure = advansys_slave_configure,
	/*
	 * Because the driver may control an ISA adapter 'unchecked_isa_dma'
	 * must be set. The flag will be cleared in advansys_board_found
	 * for non-ISA adapters.
	 */
	.unchecked_isa_dma = true,
};

static int advansys_wide_init_chip(struct Scsi_Host *shost)
{
	struct asc_board *board = shost_priv(shost);
	struct adv_dvc_var *adv_dvc = &board->dvc_var.adv_dvc_var;
	size_t sgblk_pool_size;
	int warn_code, err_code;

	/*
	 * Allocate buffer carrier structures. The total size
	 * is about 8 KB, so allocate all at once.
	 */
	adv_dvc->carrier = dma_alloc_coherent(board->dev,
		ADV_CARRIER_BUFSIZE, &adv_dvc->carrier_addr, GFP_KERNEL);
	ASC_DBG(1, "carrier 0x%p\n", adv_dvc->carrier);

	if (!adv_dvc->carrier)
		goto kmalloc_failed;

	/*
	 * Allocate up to 'max_host_qng' request structures for the Wide
	 * board. The total size is about 16 KB, so allocate all at once.
	 * If the allocation fails decrement and try again.
	 */
	board->adv_reqp_size = adv_dvc->max_host_qng * sizeof(adv_req_t);
	if (board->adv_reqp_size & 0x1f) {
		ASC_DBG(1, "unaligned reqp %lu bytes\n", sizeof(adv_req_t));
		board->adv_reqp_size = ADV_32BALIGN(board->adv_reqp_size);
	}
	board->adv_reqp = dma_alloc_coherent(board->dev, board->adv_reqp_size,
		&board->adv_reqp_addr, GFP_KERNEL);

	if (!board->adv_reqp)
		goto kmalloc_failed;

	ASC_DBG(1, "reqp 0x%p, req_cnt %d, bytes %lu\n", board->adv_reqp,
		adv_dvc->max_host_qng, board->adv_reqp_size);

	/*
	 * Allocate up to ADV_TOT_SG_BLOCK request structures for
	 * the Wide board. Each structure is about 136 bytes.
	 */
	sgblk_pool_size = sizeof(adv_sgblk_t) * ADV_TOT_SG_BLOCK;
	board->adv_sgblk_pool = dma_pool_create("adv_sgblk", board->dev,
						sgblk_pool_size, 32, 0);

	ASC_DBG(1, "sg_cnt %d * %lu = %lu bytes\n", ADV_TOT_SG_BLOCK,
		sizeof(adv_sgblk_t), sgblk_pool_size);

	if (!board->adv_sgblk_pool)
		goto kmalloc_failed;

	if (adv_dvc->chip_type == ADV_CHIP_ASC3550) {
		ASC_DBG(2, "AdvInitAsc3550Driver()\n");
		warn_code = AdvInitAsc3550Driver(adv_dvc);
	} else if (adv_dvc->chip_type == ADV_CHIP_ASC38C0800) {
		ASC_DBG(2, "AdvInitAsc38C0800Driver()\n");
		warn_code = AdvInitAsc38C0800Driver(adv_dvc);
	} else {
		ASC_DBG(2, "AdvInitAsc38C1600Driver()\n");
		warn_code = AdvInitAsc38C1600Driver(adv_dvc);
	}
	err_code = adv_dvc->err_code;

	if (warn_code || err_code) {
		shost_printk(KERN_WARNING, shost, "error: warn 0x%x, error "
			"0x%x\n", warn_code, err_code);
	}

	goto exit;

 kmalloc_failed:
	shost_printk(KERN_ERR, shost, "error: kmalloc() failed\n");
	err_code = ADV_ERROR;
 exit:
	return err_code;
}

static void advansys_wide_free_mem(struct asc_board *board)
{
	struct adv_dvc_var *adv_dvc = &board->dvc_var.adv_dvc_var;

	if (adv_dvc->carrier) {
		dma_free_coherent(board->dev, ADV_CARRIER_BUFSIZE,
				  adv_dvc->carrier, adv_dvc->carrier_addr);
		adv_dvc->carrier = NULL;
	}
	if (board->adv_reqp) {
		dma_free_coherent(board->dev, board->adv_reqp_size,
				  board->adv_reqp, board->adv_reqp_addr);
		board->adv_reqp = NULL;
	}
	if (board->adv_sgblk_pool) {
		dma_pool_destroy(board->adv_sgblk_pool);
		board->adv_sgblk_pool = NULL;
	}
}

static int advansys_board_found(struct Scsi_Host *shost, unsigned int iop,
				int bus_type)
{
	struct pci_dev *pdev;
	struct asc_board *boardp = shost_priv(shost);
	ASC_DVC_VAR *asc_dvc_varp = NULL;
	ADV_DVC_VAR *adv_dvc_varp = NULL;
	int share_irq, warn_code, ret;

	pdev = (bus_type == ASC_IS_PCI) ? to_pci_dev(boardp->dev) : NULL;

	if (ASC_NARROW_BOARD(boardp)) {
		ASC_DBG(1, "narrow board\n");
		asc_dvc_varp = &boardp->dvc_var.asc_dvc_var;
		asc_dvc_varp->bus_type = bus_type;
		asc_dvc_varp->drv_ptr = boardp;
		asc_dvc_varp->cfg = &boardp->dvc_cfg.asc_dvc_cfg;
		asc_dvc_varp->iop_base = iop;
	} else {
#ifdef CONFIG_PCI
		adv_dvc_varp = &boardp->dvc_var.adv_dvc_var;
		adv_dvc_varp->drv_ptr = boardp;
		adv_dvc_varp->cfg = &boardp->dvc_cfg.adv_dvc_cfg;
		if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW) {
			ASC_DBG(1, "wide board ASC-3550\n");
			adv_dvc_varp->chip_type = ADV_CHIP_ASC3550;
		} else if (pdev->device == PCI_DEVICE_ID_38C0800_REV1) {
			ASC_DBG(1, "wide board ASC-38C0800\n");
			adv_dvc_varp->chip_type = ADV_CHIP_ASC38C0800;
		} else {
			ASC_DBG(1, "wide board ASC-38C1600\n");
			adv_dvc_varp->chip_type = ADV_CHIP_ASC38C1600;
		}

		boardp->asc_n_io_port = pci_resource_len(pdev, 1);
		boardp->ioremap_addr = pci_ioremap_bar(pdev, 1);
		if (!boardp->ioremap_addr) {
			shost_printk(KERN_ERR, shost, "ioremap(%lx, %d) "
					"returned NULL\n",
					(long)pci_resource_start(pdev, 1),
					boardp->asc_n_io_port);
			ret = -ENODEV;
			goto err_shost;
		}
		adv_dvc_varp->iop_base = (AdvPortAddr)boardp->ioremap_addr;
		ASC_DBG(1, "iop_base: 0x%p\n", adv_dvc_varp->iop_base);

		/*
		 * Even though it isn't used to access wide boards, other
		 * than for the debug line below, save I/O Port address so
		 * that it can be reported.
		 */
		boardp->ioport = iop;

		ASC_DBG(1, "iopb_chip_id_1 0x%x, iopw_chip_id_0 0x%x\n",
				(ushort)inp(iop + 1), (ushort)inpw(iop));
#endif /* CONFIG_PCI */
	}

	if (ASC_NARROW_BOARD(boardp)) {
		/*
		 * Set the board bus type and PCI IRQ before
		 * calling AscInitGetConfig().
		 */
		switch (asc_dvc_varp->bus_type) {
#ifdef CONFIG_ISA
		case ASC_IS_ISA:
			shost->unchecked_isa_dma = true;
			share_irq = 0;
			break;
		case ASC_IS_VL:
			shost->unchecked_isa_dma = false;
			share_irq = 0;
			break;
		case ASC_IS_EISA:
			shost->unchecked_isa_dma = false;
			share_irq = IRQF_SHARED;
			break;
#endif /* CONFIG_ISA */
#ifdef CONFIG_PCI
		case ASC_IS_PCI:
			shost->unchecked_isa_dma = false;
			share_irq = IRQF_SHARED;
			break;
#endif /* CONFIG_PCI */
		default:
			shost_printk(KERN_ERR, shost, "unknown adapter type: "
					"%d\n", asc_dvc_varp->bus_type);
			shost->unchecked_isa_dma = false;
			share_irq = 0;
			break;
		}

		/*
		 * NOTE: AscInitGetConfig() may change the board's
		 * bus_type value. The bus_type value should no
		 * longer be used. If the bus_type field must be
		 * referenced only use the bit-wise AND operator "&".
		 */
		ASC_DBG(2, "AscInitGetConfig()\n");
		ret = AscInitGetConfig(shost) ? -ENODEV : 0;
	} else {
#ifdef CONFIG_PCI
		/*
		 * For Wide boards set PCI information before calling
		 * AdvInitGetConfig().
		 */
		shost->unchecked_isa_dma = false;
		share_irq = IRQF_SHARED;
		ASC_DBG(2, "AdvInitGetConfig()\n");

		ret = AdvInitGetConfig(pdev, shost) ? -ENODEV : 0;
#else
		share_irq = 0;
		ret = -ENODEV;
#endif /* CONFIG_PCI */
	}

	if (ret)
		goto err_unmap;

	/*
	 * Save the EEPROM configuration so that it can be displayed
	 * from /proc/scsi/advansys/[0...].
	 */
	if (ASC_NARROW_BOARD(boardp)) {

		ASCEEP_CONFIG *ep;

		/*
		 * Set the adapter's target id bit in the 'init_tidmask' field.
		 */
		boardp->init_tidmask |=
		    ADV_TID_TO_TIDMASK(asc_dvc_varp->cfg->chip_scsi_id);

		/*
		 * Save EEPROM settings for the board.
		 */
		ep = &boardp->eep_config.asc_eep;

		ep->init_sdtr = asc_dvc_varp->cfg->sdtr_enable;
		ep->disc_enable = asc_dvc_varp->cfg->disc_enable;
		ep->use_cmd_qng = asc_dvc_varp->cfg->cmd_qng_enabled;
		ASC_EEP_SET_DMA_SPD(ep, asc_dvc_varp->cfg->isa_dma_speed);
		ep->start_motor = asc_dvc_varp->start_motor;
		ep->cntl = asc_dvc_varp->dvc_cntl;
		ep->no_scam = asc_dvc_varp->no_scam;
		ep->max_total_qng = asc_dvc_varp->max_total_qng;
		ASC_EEP_SET_CHIP_ID(ep, asc_dvc_varp->cfg->chip_scsi_id);
		/* 'max_tag_qng' is set to the same value for every device. */
		ep->max_tag_qng = asc_dvc_varp->cfg->max_tag_qng[0];
		ep->adapter_info[0] = asc_dvc_varp->cfg->adapter_info[0];
		ep->adapter_info[1] = asc_dvc_varp->cfg->adapter_info[1];
		ep->adapter_info[2] = asc_dvc_varp->cfg->adapter_info[2];
		ep->adapter_info[3] = asc_dvc_varp->cfg->adapter_info[3];
		ep->adapter_info[4] = asc_dvc_varp->cfg->adapter_info[4];
		ep->adapter_info[5] = asc_dvc_varp->cfg->adapter_info[5];

		/*
		 * Modify board configuration.
		 */
		ASC_DBG(2, "AscInitSetConfig()\n");
		ret = AscInitSetConfig(pdev, shost) ? -ENODEV : 0;
		if (ret)
			goto err_unmap;
	} else {
		ADVEEP_3550_CONFIG *ep_3550;
		ADVEEP_38C0800_CONFIG *ep_38C0800;
		ADVEEP_38C1600_CONFIG *ep_38C1600;

		/*
		 * Save Wide EEP Configuration Information.
		 */
		if (adv_dvc_varp->chip_type == ADV_CHIP_ASC3550) {
			ep_3550 = &boardp->eep_config.adv_3550_eep;

			ep_3550->adapter_scsi_id = adv_dvc_varp->chip_scsi_id;
			ep_3550->max_host_qng = adv_dvc_varp->max_host_qng;
			ep_3550->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
			ep_3550->termination = adv_dvc_varp->cfg->termination;
			ep_3550->disc_enable = adv_dvc_varp->cfg->disc_enable;
			ep_3550->bios_ctrl = adv_dvc_varp->bios_ctrl;
			ep_3550->wdtr_able = adv_dvc_varp->wdtr_able;
			ep_3550->sdtr_able = adv_dvc_varp->sdtr_able;
			ep_3550->ultra_able = adv_dvc_varp->ultra_able;
			ep_3550->tagqng_able = adv_dvc_varp->tagqng_able;
			ep_3550->start_motor = adv_dvc_varp->start_motor;
			ep_3550->scsi_reset_delay =
			    adv_dvc_varp->scsi_reset_wait;
			ep_3550->serial_number_word1 =
			    adv_dvc_varp->cfg->serial1;
			ep_3550->serial_number_word2 =
			    adv_dvc_varp->cfg->serial2;
			ep_3550->serial_number_word3 =
			    adv_dvc_varp->cfg->serial3;
		} else if (adv_dvc_varp->chip_type == ADV_CHIP_ASC38C0800) {
			ep_38C0800 = &boardp->eep_config.adv_38C0800_eep;

			ep_38C0800->adapter_scsi_id =
			    adv_dvc_varp->chip_scsi_id;
			ep_38C0800->max_host_qng = adv_dvc_varp->max_host_qng;
			ep_38C0800->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
			ep_38C0800->termination_lvd =
			    adv_dvc_varp->cfg->termination;
			ep_38C0800->disc_enable =
			    adv_dvc_varp->cfg->disc_enable;
			ep_38C0800->bios_ctrl = adv_dvc_varp->bios_ctrl;
			ep_38C0800->wdtr_able = adv_dvc_varp->wdtr_able;
			ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
			ep_38C0800->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
			ep_38C0800->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
			ep_38C0800->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
			ep_38C0800->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
			ep_38C0800->tagqng_able = adv_dvc_varp->tagqng_able;
			ep_38C0800->start_motor = adv_dvc_varp->start_motor;
			ep_38C0800->scsi_reset_delay =
			    adv_dvc_varp->scsi_reset_wait;
			ep_38C0800->serial_number_word1 =
			    adv_dvc_varp->cfg->serial1;
			ep_38C0800->serial_number_word2 =
			    adv_dvc_varp->cfg->serial2;
			ep_38C0800->serial_number_word3 =
			    adv_dvc_varp->cfg->serial3;
		} else {
			ep_38C1600 = &boardp->eep_config.adv_38C1600_eep;

			ep_38C1600->adapter_scsi_id =
			    adv_dvc_varp->chip_scsi_id;
			ep_38C1600->max_host_qng = adv_dvc_varp->max_host_qng;
			ep_38C1600->max_dvc_qng = adv_dvc_varp->max_dvc_qng;
			ep_38C1600->termination_lvd =
			    adv_dvc_varp->cfg->termination;
			ep_38C1600->disc_enable =
			    adv_dvc_varp->cfg->disc_enable;
			ep_38C1600->bios_ctrl = adv_dvc_varp->bios_ctrl;
			ep_38C1600->wdtr_able = adv_dvc_varp->wdtr_able;
			ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
			ep_38C1600->sdtr_speed1 = adv_dvc_varp->sdtr_speed1;
			ep_38C1600->sdtr_speed2 = adv_dvc_varp->sdtr_speed2;
			ep_38C1600->sdtr_speed3 = adv_dvc_varp->sdtr_speed3;
			ep_38C1600->sdtr_speed4 = adv_dvc_varp->sdtr_speed4;
			ep_38C1600->tagqng_able = adv_dvc_varp->tagqng_able;
			ep_38C1600->start_motor = adv_dvc_varp->start_motor;
			ep_38C1600->scsi_reset_delay =
			    adv_dvc_varp->scsi_reset_wait;
			ep_38C1600->serial_number_word1 =
			    adv_dvc_varp->cfg->serial1;
			ep_38C1600->serial_number_word2 =
			    adv_dvc_varp->cfg->serial2;
			ep_38C1600->serial_number_word3 =
			    adv_dvc_varp->cfg->serial3;
		}

		/*
		 * Set the adapter's target id bit in the 'init_tidmask' field.
		 */
		boardp->init_tidmask |=
		    ADV_TID_TO_TIDMASK(adv_dvc_varp->chip_scsi_id);
	}

	/*
	 * Channels are numbered beginning with 0. For AdvanSys one host
	 * structure supports one channel. Multi-channel boards have a
	 * separate host structure for each channel.
	 */
	shost->max_channel = 0;
	if (ASC_NARROW_BOARD(boardp)) {
		shost->max_id = ASC_MAX_TID + 1;
		shost->max_lun = ASC_MAX_LUN + 1;
		shost->max_cmd_len = ASC_MAX_CDB_LEN;

		shost->io_port = asc_dvc_varp->iop_base;
		boardp->asc_n_io_port = ASC_IOADR_GAP;
		shost->this_id = asc_dvc_varp->cfg->chip_scsi_id;

		/* Set maximum number of queues the adapter can handle. */
		shost->can_queue = asc_dvc_varp->max_total_qng;
	} else {
		shost->max_id = ADV_MAX_TID + 1;
		shost->max_lun = ADV_MAX_LUN + 1;
		shost->max_cmd_len = ADV_MAX_CDB_LEN;

		/*
		 * Save the I/O Port address and length even though
		 * I/O ports are not used to access Wide boards.
		 * Instead the Wide boards are accessed with
		 * PCI Memory Mapped I/O.
		 */
		shost->io_port = iop;

		shost->this_id = adv_dvc_varp->chip_scsi_id;

		/* Set maximum number of queues the adapter can handle. */
		shost->can_queue = adv_dvc_varp->max_host_qng;
	}

	/*
	 * Set the maximum number of scatter-gather elements the
	 * adapter can handle.
	 */
	if (ASC_NARROW_BOARD(boardp)) {
		/*
		 * Allow two commands with 'sg_tablesize' scatter-gather
		 * elements to be executed simultaneously. This value is
		 * the theoretical hardware limit. It may be decreased
		 * below.
		 */
		shost->sg_tablesize =
		    (((asc_dvc_varp->max_total_qng - 2) / 2) *
		     ASC_SG_LIST_PER_Q) + 1;
	} else {
		shost->sg_tablesize = ADV_MAX_SG_LIST;
	}

	/*
	 * The value of 'sg_tablesize' can not exceed the SCSI
	 * mid-level driver definition of SG_ALL. SG_ALL also
	 * must not be exceeded, because it is used to define the
	 * size of the scatter-gather table in 'struct asc_sg_head'.
	 */
	if (shost->sg_tablesize > SG_ALL) {
		shost->sg_tablesize = SG_ALL;
	}

	ASC_DBG(1, "sg_tablesize: %d\n", shost->sg_tablesize);

	/* BIOS start address. */
	if (ASC_NARROW_BOARD(boardp)) {
		shost->base = AscGetChipBiosAddress(asc_dvc_varp->iop_base,
						    asc_dvc_varp->bus_type);
	} else {
		/*
		 * Fill-in BIOS board variables. The Wide BIOS saves
		 * information in LRAM that is used by the driver.
		 */
		AdvReadWordLram(adv_dvc_varp->iop_base,
				BIOS_SIGNATURE, boardp->bios_signature);
		AdvReadWordLram(adv_dvc_varp->iop_base,
				BIOS_VERSION, boardp->bios_version);
		AdvReadWordLram(adv_dvc_varp->iop_base,
				BIOS_CODESEG, boardp->bios_codeseg);
		AdvReadWordLram(adv_dvc_varp->iop_base,
				BIOS_CODELEN, boardp->bios_codelen);

		ASC_DBG(1, "bios_signature 0x%x, bios_version 0x%x\n",
			 boardp->bios_signature, boardp->bios_version);

		ASC_DBG(1, "bios_codeseg 0x%x, bios_codelen 0x%x\n",
			 boardp->bios_codeseg, boardp->bios_codelen);

		/*
		 * If the BIOS saved a valid signature, then fill in
		 * the BIOS code segment base address.
		 */
		if (boardp->bios_signature == 0x55AA) {
			/*
			 * Convert x86 realmode code segment to a linear
			 * address by shifting left 4.
			 */
			shost->base = ((ulong)boardp->bios_codeseg << 4);
		} else {
			shost->base = 0;
		}
	}

	/*
	 * Register Board Resources - I/O Port, DMA, IRQ
	 */

	/* Register DMA Channel for Narrow boards. */
	shost->dma_channel = NO_ISA_DMA;	/* Default to no ISA DMA. */
#ifdef CONFIG_ISA
	if (ASC_NARROW_BOARD(boardp)) {
		/* Register DMA channel for ISA bus. */
		if (asc_dvc_varp->bus_type & ASC_IS_ISA) {
			shost->dma_channel = asc_dvc_varp->cfg->isa_dma_channel;
			ret = request_dma(shost->dma_channel, DRV_NAME);
			if (ret) {
				shost_printk(KERN_ERR, shost, "request_dma() "
						"%d failed %d\n",
						shost->dma_channel, ret);
				goto err_unmap;
			}
			AscEnableIsaDma(shost->dma_channel);
		}
	}
#endif /* CONFIG_ISA */

	/* Register IRQ Number. */
	ASC_DBG(2, "request_irq(%d, %p)\n", boardp->irq, shost);

	ret = request_irq(boardp->irq, advansys_interrupt, share_irq,
			  DRV_NAME, shost);

	if (ret) {
		if (ret == -EBUSY) {
			shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x "
					"already in use\n", boardp->irq);
		} else if (ret == -EINVAL) {
			shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x "
					"not valid\n", boardp->irq);
		} else {
			shost_printk(KERN_ERR, shost, "request_irq(): IRQ 0x%x "
					"failed with %d\n", boardp->irq, ret);
		}
		goto err_free_dma;
	}

	/*
	 * Initialize board RISC chip and enable interrupts.
	 */
	if (ASC_NARROW_BOARD(boardp)) {
		ASC_DBG(2, "AscInitAsc1000Driver()\n");

		asc_dvc_varp->overrun_buf = kzalloc(ASC_OVERRUN_BSIZE, GFP_KERNEL);
		if (!asc_dvc_varp->overrun_buf) {
			ret = -ENOMEM;
			goto err_free_irq;
		}
		warn_code = AscInitAsc1000Driver(asc_dvc_varp);

		if (warn_code || asc_dvc_varp->err_code) {
			shost_printk(KERN_ERR, shost, "error: init_state 0x%x, "
					"warn 0x%x, error 0x%x\n",
					asc_dvc_varp->init_state, warn_code,
					asc_dvc_varp->err_code);
			if (!asc_dvc_varp->overrun_dma) {
				ret = -ENODEV;
				goto err_free_mem;
			}
		}
	} else {
		if (advansys_wide_init_chip(shost)) {
			ret = -ENODEV;
			goto err_free_mem;
		}
	}

	ASC_DBG_PRT_SCSI_HOST(2, shost);

	ret = scsi_add_host(shost, boardp->dev);
	if (ret)
		goto err_free_mem;

	scsi_scan_host(shost);
	return 0;

 err_free_mem:
	if (ASC_NARROW_BOARD(boardp)) {
		if (asc_dvc_varp->overrun_dma)
			dma_unmap_single(boardp->dev, asc_dvc_varp->overrun_dma,
					 ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
		kfree(asc_dvc_varp->overrun_buf);
	} else
		advansys_wide_free_mem(boardp);
 err_free_irq:
	free_irq(boardp->irq, shost);
 err_free_dma:
#ifdef CONFIG_ISA
	if (shost->dma_channel != NO_ISA_DMA)
		free_dma(shost->dma_channel);
#endif
 err_unmap:
	if (boardp->ioremap_addr)
		iounmap(boardp->ioremap_addr);
#ifdef CONFIG_PCI
 err_shost:
#endif
	return ret;
}

/*
 * advansys_release()
 *
 * Release resources allocated for a single AdvanSys adapter.
 */
static int advansys_release(struct Scsi_Host *shost)
{
	struct asc_board *board = shost_priv(shost);
	ASC_DBG(1, "begin\n");
	scsi_remove_host(shost);
	free_irq(board->irq, shost);
#ifdef CONFIG_ISA
	if (shost->dma_channel != NO_ISA_DMA) {
		ASC_DBG(1, "free_dma()\n");
		free_dma(shost->dma_channel);
	}
#endif
	if (ASC_NARROW_BOARD(board)) {
		dma_unmap_single(board->dev,
					board->dvc_var.asc_dvc_var.overrun_dma,
					ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
		kfree(board->dvc_var.asc_dvc_var.overrun_buf);
	} else {
		iounmap(board->ioremap_addr);
		advansys_wide_free_mem(board);
	}
	scsi_host_put(shost);
	ASC_DBG(1, "end\n");
	return 0;
}

#define ASC_IOADR_TABLE_MAX_IX  11

static PortAddr _asc_def_iop_base[ASC_IOADR_TABLE_MAX_IX] = {
	0x100, 0x0110, 0x120, 0x0130, 0x140, 0x0150, 0x0190,
	0x0210, 0x0230, 0x0250, 0x0330
};

/*
 * The ISA IRQ number is found in bits 2 and 3 of the CfgLsw.  It decodes as:
 * 00: 10
 * 01: 11
 * 10: 12
 * 11: 15
 */
static unsigned int advansys_isa_irq_no(PortAddr iop_base)
{
	unsigned short cfg_lsw = AscGetChipCfgLsw(iop_base);
	unsigned int chip_irq = ((cfg_lsw >> 2) & 0x03) + 10;
	if (chip_irq == 13)
		chip_irq = 15;
	return chip_irq;
}

static int advansys_isa_probe(struct device *dev, unsigned int id)
{
	int err = -ENODEV;
	PortAddr iop_base = _asc_def_iop_base[id];
	struct Scsi_Host *shost;
	struct asc_board *board;

	if (!request_region(iop_base, ASC_IOADR_GAP, DRV_NAME)) {
		ASC_DBG(1, "I/O port 0x%x busy\n", iop_base);
		return -ENODEV;
	}
	ASC_DBG(1, "probing I/O port 0x%x\n", iop_base);
	if (!AscFindSignature(iop_base))
		goto release_region;
	if (!(AscGetChipVersion(iop_base, ASC_IS_ISA) & ASC_CHIP_VER_ISA_BIT))
		goto release_region;

	err = -ENOMEM;
	shost = scsi_host_alloc(&advansys_template, sizeof(*board));
	if (!shost)
		goto release_region;

	board = shost_priv(shost);
	board->irq = advansys_isa_irq_no(iop_base);
	board->dev = dev;
	board->shost = shost;

	err = advansys_board_found(shost, iop_base, ASC_IS_ISA);
	if (err)
		goto free_host;

	dev_set_drvdata(dev, shost);
	return 0;

 free_host:
	scsi_host_put(shost);
 release_region:
	release_region(iop_base, ASC_IOADR_GAP);
	return err;
}

static int advansys_isa_remove(struct device *dev, unsigned int id)
{
	int ioport = _asc_def_iop_base[id];
	advansys_release(dev_get_drvdata(dev));
	release_region(ioport, ASC_IOADR_GAP);
	return 0;
}

static struct isa_driver advansys_isa_driver = {
	.probe		= advansys_isa_probe,
	.remove		= advansys_isa_remove,
	.driver = {
		.owner	= THIS_MODULE,
		.name	= DRV_NAME,
	},
};

/*
 * The VLB IRQ number is found in bits 2 to 4 of the CfgLsw.  It decodes as:
 * 000: invalid
 * 001: 10
 * 010: 11
 * 011: 12
 * 100: invalid
 * 101: 14
 * 110: 15
 * 111: invalid
 */
static unsigned int advansys_vlb_irq_no(PortAddr iop_base)
{
	unsigned short cfg_lsw = AscGetChipCfgLsw(iop_base);
	unsigned int chip_irq = ((cfg_lsw >> 2) & 0x07) + 9;
	if ((chip_irq < 10) || (chip_irq == 13) || (chip_irq > 15))
		return 0;
	return chip_irq;
}

static int advansys_vlb_probe(struct device *dev, unsigned int id)
{
	int err = -ENODEV;
	PortAddr iop_base = _asc_def_iop_base[id];
	struct Scsi_Host *shost;
	struct asc_board *board;

	if (!request_region(iop_base, ASC_IOADR_GAP, DRV_NAME)) {
		ASC_DBG(1, "I/O port 0x%x busy\n", iop_base);
		return -ENODEV;
	}
	ASC_DBG(1, "probing I/O port 0x%x\n", iop_base);
	if (!AscFindSignature(iop_base))
		goto release_region;
	/*
	 * I don't think this condition can actually happen, but the old
	 * driver did it, and the chances of finding a VLB setup in 2007
	 * to do testing with is slight to none.
	 */
	if (AscGetChipVersion(iop_base, ASC_IS_VL) > ASC_CHIP_MAX_VER_VL)
		goto release_region;

	err = -ENOMEM;
	shost = scsi_host_alloc(&advansys_template, sizeof(*board));
	if (!shost)
		goto release_region;

	board = shost_priv(shost);
	board->irq = advansys_vlb_irq_no(iop_base);
	board->dev = dev;
	board->shost = shost;

	err = advansys_board_found(shost, iop_base, ASC_IS_VL);
	if (err)
		goto free_host;

	dev_set_drvdata(dev, shost);
	return 0;

 free_host:
	scsi_host_put(shost);
 release_region:
	release_region(iop_base, ASC_IOADR_GAP);
	return -ENODEV;
}

static struct isa_driver advansys_vlb_driver = {
	.probe		= advansys_vlb_probe,
	.remove		= advansys_isa_remove,
	.driver = {
		.owner	= THIS_MODULE,
		.name	= "advansys_vlb",
	},
};

static struct eisa_device_id advansys_eisa_table[] = {
	{ "ABP7401" },
	{ "ABP7501" },
	{ "" }
};

MODULE_DEVICE_TABLE(eisa, advansys_eisa_table);

/*
 * EISA is a little more tricky than PCI; each EISA device may have two
 * channels, and this driver is written to make each channel its own Scsi_Host
 */
struct eisa_scsi_data {
	struct Scsi_Host *host[2];
};

/*
 * The EISA IRQ number is found in bits 8 to 10 of the CfgLsw.  It decodes as:
 * 000: 10
 * 001: 11
 * 010: 12
 * 011: invalid
 * 100: 14
 * 101: 15
 * 110: invalid
 * 111: invalid
 */
static unsigned int advansys_eisa_irq_no(struct eisa_device *edev)
{
	unsigned short cfg_lsw = inw(edev->base_addr + 0xc86);
	unsigned int chip_irq = ((cfg_lsw >> 8) & 0x07) + 10;
	if ((chip_irq == 13) || (chip_irq > 15))
		return 0;
	return chip_irq;
}

static int advansys_eisa_probe(struct device *dev)
{
	int i, ioport, irq = 0;
	int err;
	struct eisa_device *edev = to_eisa_device(dev);
	struct eisa_scsi_data *data;

	err = -ENOMEM;
	data = kzalloc(sizeof(*data), GFP_KERNEL);
	if (!data)
		goto fail;
	ioport = edev->base_addr + 0xc30;

	err = -ENODEV;
	for (i = 0; i < 2; i++, ioport += 0x20) {
		struct asc_board *board;
		struct Scsi_Host *shost;
		if (!request_region(ioport, ASC_IOADR_GAP, DRV_NAME)) {
			printk(KERN_WARNING "Region %x-%x busy\n", ioport,
			       ioport + ASC_IOADR_GAP - 1);
			continue;
		}
		if (!AscFindSignature(ioport)) {
			release_region(ioport, ASC_IOADR_GAP);
			continue;
		}

		/*
		 * I don't know why we need to do this for EISA chips, but
		 * not for any others.  It looks to be equivalent to
		 * AscGetChipCfgMsw, but I may have overlooked something,
		 * so I'm not converting it until I get an EISA board to
		 * test with.
		 */
		inw(ioport + 4);

		if (!irq)
			irq = advansys_eisa_irq_no(edev);

		err = -ENOMEM;
		shost = scsi_host_alloc(&advansys_template, sizeof(*board));
		if (!shost)
			goto release_region;

		board = shost_priv(shost);
		board->irq = irq;
		board->dev = dev;
		board->shost = shost;

		err = advansys_board_found(shost, ioport, ASC_IS_EISA);
		if (!err) {
			data->host[i] = shost;
			continue;
		}

		scsi_host_put(shost);
 release_region:
		release_region(ioport, ASC_IOADR_GAP);
		break;
	}

	if (err)
		goto free_data;
	dev_set_drvdata(dev, data);
	return 0;

 free_data:
	kfree(data->host[0]);
	kfree(data->host[1]);
	kfree(data);
 fail:
	return err;
}

static int advansys_eisa_remove(struct device *dev)
{
	int i;
	struct eisa_scsi_data *data = dev_get_drvdata(dev);

	for (i = 0; i < 2; i++) {
		int ioport;
		struct Scsi_Host *shost = data->host[i];
		if (!shost)
			continue;
		ioport = shost->io_port;
		advansys_release(shost);
		release_region(ioport, ASC_IOADR_GAP);
	}

	kfree(data);
	return 0;
}

static struct eisa_driver advansys_eisa_driver = {
	.id_table =		advansys_eisa_table,
	.driver = {
		.name =		DRV_NAME,
		.probe =	advansys_eisa_probe,
		.remove =	advansys_eisa_remove,
	}
};

/* PCI Devices supported by this driver */
static struct pci_device_id advansys_pci_tbl[] = {
	{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_1200A,
	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
	{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940,
	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
	{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940U,
	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
	{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_ASP_ABP940UW,
	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
	{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C0800_REV1,
	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
	{PCI_VENDOR_ID_ASP, PCI_DEVICE_ID_38C1600_REV1,
	 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
	{}
};

MODULE_DEVICE_TABLE(pci, advansys_pci_tbl);

static void advansys_set_latency(struct pci_dev *pdev)
{
	if ((pdev->device == PCI_DEVICE_ID_ASP_1200A) ||
	    (pdev->device == PCI_DEVICE_ID_ASP_ABP940)) {
		pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0);
	} else {
		u8 latency;
		pci_read_config_byte(pdev, PCI_LATENCY_TIMER, &latency);
		if (latency < 0x20)
			pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0x20);
	}
}

static int advansys_pci_probe(struct pci_dev *pdev,
			      const struct pci_device_id *ent)
{
	int err, ioport;
	struct Scsi_Host *shost;
	struct asc_board *board;

	err = pci_enable_device(pdev);
	if (err)
		goto fail;
	err = pci_request_regions(pdev, DRV_NAME);
	if (err)
		goto disable_device;
	pci_set_master(pdev);
	advansys_set_latency(pdev);

	err = -ENODEV;
	if (pci_resource_len(pdev, 0) == 0)
		goto release_region;

	ioport = pci_resource_start(pdev, 0);

	err = -ENOMEM;
	shost = scsi_host_alloc(&advansys_template, sizeof(*board));
	if (!shost)
		goto release_region;

	board = shost_priv(shost);
	board->irq = pdev->irq;
	board->dev = &pdev->dev;
	board->shost = shost;

	if (pdev->device == PCI_DEVICE_ID_ASP_ABP940UW ||
	    pdev->device == PCI_DEVICE_ID_38C0800_REV1 ||
	    pdev->device == PCI_DEVICE_ID_38C1600_REV1) {
		board->flags |= ASC_IS_WIDE_BOARD;
	}

	err = advansys_board_found(shost, ioport, ASC_IS_PCI);
	if (err)
		goto free_host;

	pci_set_drvdata(pdev, shost);
	return 0;

 free_host:
	scsi_host_put(shost);
 release_region:
	pci_release_regions(pdev);
 disable_device:
	pci_disable_device(pdev);
 fail:
	return err;
}

static void advansys_pci_remove(struct pci_dev *pdev)
{
	advansys_release(pci_get_drvdata(pdev));
	pci_release_regions(pdev);
	pci_disable_device(pdev);
}

static struct pci_driver advansys_pci_driver = {
	.name =		DRV_NAME,
	.id_table =	advansys_pci_tbl,
	.probe =	advansys_pci_probe,
	.remove =	advansys_pci_remove,
};

static int __init advansys_init(void)
{
	int error;

	error = isa_register_driver(&advansys_isa_driver,
				    ASC_IOADR_TABLE_MAX_IX);
	if (error)
		goto fail;

	error = isa_register_driver(&advansys_vlb_driver,
				    ASC_IOADR_TABLE_MAX_IX);
	if (error)
		goto unregister_isa;

	error = eisa_driver_register(&advansys_eisa_driver);
	if (error)
		goto unregister_vlb;

	error = pci_register_driver(&advansys_pci_driver);
	if (error)
		goto unregister_eisa;

	return 0;

 unregister_eisa:
	eisa_driver_unregister(&advansys_eisa_driver);
 unregister_vlb:
	isa_unregister_driver(&advansys_vlb_driver);
 unregister_isa:
	isa_unregister_driver(&advansys_isa_driver);
 fail:
	return error;
}

static void __exit advansys_exit(void)
{
	pci_unregister_driver(&advansys_pci_driver);
	eisa_driver_unregister(&advansys_eisa_driver);
	isa_unregister_driver(&advansys_vlb_driver);
	isa_unregister_driver(&advansys_isa_driver);
}

module_init(advansys_init);
module_exit(advansys_exit);

MODULE_LICENSE("GPL");
MODULE_FIRMWARE("advansys/mcode.bin");
MODULE_FIRMWARE("advansys/3550.bin");
MODULE_FIRMWARE("advansys/38C0800.bin");
MODULE_FIRMWARE("advansys/38C1600.bin");