summaryrefslogtreecommitdiffstats
path: root/kernel/drivers/net/ethernet/ti/tlan.c
blob: a274cd49afe954442bbd3bf647be71a92d0087ee (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
/*******************************************************************************
 *
 *  Linux ThunderLAN Driver
 *
 *  tlan.c
 *  by James Banks
 *
 *  (C) 1997-1998 Caldera, Inc.
 *  (C) 1998 James Banks
 *  (C) 1999-2001 Torben Mathiasen
 *  (C) 2002 Samuel Chessman
 *
 *  This software may be used and distributed according to the terms
 *  of the GNU General Public License, incorporated herein by reference.
 *
 ** Useful (if not required) reading:
 *
 *		Texas Instruments, ThunderLAN Programmer's Guide,
 *			TI Literature Number SPWU013A
 *			available in PDF format from www.ti.com
 *		Level One, LXT901 and LXT970 Data Sheets
 *			available in PDF format from www.level1.com
 *		National Semiconductor, DP83840A Data Sheet
 *			available in PDF format from www.national.com
 *		Microchip Technology, 24C01A/02A/04A Data Sheet
 *			available in PDF format from www.microchip.com
 *
 ******************************************************************************/

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/hardirq.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/eisa.h>
#include <linux/pci.h>
#include <linux/dma-mapping.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/delay.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
#include <linux/mii.h>

#include "tlan.h"


/* For removing EISA devices */
static	struct net_device	*tlan_eisa_devices;

static	int		tlan_devices_installed;

/* Set speed, duplex and aui settings */
static  int aui[MAX_TLAN_BOARDS];
static  int duplex[MAX_TLAN_BOARDS];
static  int speed[MAX_TLAN_BOARDS];
static  int boards_found;
module_param_array(aui, int, NULL, 0);
module_param_array(duplex, int, NULL, 0);
module_param_array(speed, int, NULL, 0);
MODULE_PARM_DESC(aui, "ThunderLAN use AUI port(s) (0-1)");
MODULE_PARM_DESC(duplex,
		 "ThunderLAN duplex setting(s) (0-default, 1-half, 2-full)");
MODULE_PARM_DESC(speed, "ThunderLAN port speed setting(s) (0,10,100)");

MODULE_AUTHOR("Maintainer: Samuel Chessman <chessman@tux.org>");
MODULE_DESCRIPTION("Driver for TI ThunderLAN based ethernet PCI adapters");
MODULE_LICENSE("GPL");

/* Turn on debugging. See Documentation/networking/tlan.txt for details */
static  int		debug;
module_param(debug, int, 0);
MODULE_PARM_DESC(debug, "ThunderLAN debug mask");

static	const char tlan_signature[] = "TLAN";
static  const char tlan_banner[] = "ThunderLAN driver v1.17\n";
static  int tlan_have_pci;
static  int tlan_have_eisa;

static const char * const media[] = {
	"10BaseT-HD", "10BaseT-FD", "100baseTx-HD",
	"100BaseTx-FD", "100BaseT4", NULL
};

static struct board {
	const char	*device_label;
	u32		flags;
	u16		addr_ofs;
} board_info[] = {
	{ "Compaq Netelligent 10 T PCI UTP", TLAN_ADAPTER_ACTIVITY_LED, 0x83 },
	{ "Compaq Netelligent 10/100 TX PCI UTP",
	  TLAN_ADAPTER_ACTIVITY_LED, 0x83 },
	{ "Compaq Integrated NetFlex-3/P", TLAN_ADAPTER_NONE, 0x83 },
	{ "Compaq NetFlex-3/P",
	  TLAN_ADAPTER_UNMANAGED_PHY | TLAN_ADAPTER_BIT_RATE_PHY, 0x83 },
	{ "Compaq NetFlex-3/P", TLAN_ADAPTER_NONE, 0x83 },
	{ "Compaq Netelligent Integrated 10/100 TX UTP",
	  TLAN_ADAPTER_ACTIVITY_LED, 0x83 },
	{ "Compaq Netelligent Dual 10/100 TX PCI UTP",
	  TLAN_ADAPTER_NONE, 0x83 },
	{ "Compaq Netelligent 10/100 TX Embedded UTP",
	  TLAN_ADAPTER_NONE, 0x83 },
	{ "Olicom OC-2183/2185", TLAN_ADAPTER_USE_INTERN_10, 0x83 },
	{ "Olicom OC-2325", TLAN_ADAPTER_ACTIVITY_LED |
	  TLAN_ADAPTER_UNMANAGED_PHY, 0xf8 },
	{ "Olicom OC-2326", TLAN_ADAPTER_ACTIVITY_LED |
	  TLAN_ADAPTER_USE_INTERN_10, 0xf8 },
	{ "Compaq Netelligent 10/100 TX UTP", TLAN_ADAPTER_ACTIVITY_LED, 0x83 },
	{ "Compaq Netelligent 10 T/2 PCI UTP/coax", TLAN_ADAPTER_NONE, 0x83 },
	{ "Compaq NetFlex-3/E",
	  TLAN_ADAPTER_ACTIVITY_LED |	/* EISA card */
	  TLAN_ADAPTER_UNMANAGED_PHY | TLAN_ADAPTER_BIT_RATE_PHY, 0x83 },
	{ "Compaq NetFlex-3/E",
	  TLAN_ADAPTER_ACTIVITY_LED, 0x83 }, /* EISA card */
};

static const struct pci_device_id tlan_pci_tbl[] = {
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_NETEL10,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_NETEL100,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 1 },
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_NETFLEX3I,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 2 },
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_THUNDER,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 3 },
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_NETFLEX3B,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 4 },
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_NETEL100PI,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 5 },
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_NETEL100D,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 6 },
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_COMPAQ_NETEL100I,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 7 },
	{ PCI_VENDOR_ID_OLICOM, PCI_DEVICE_ID_OLICOM_OC2183,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 8 },
	{ PCI_VENDOR_ID_OLICOM, PCI_DEVICE_ID_OLICOM_OC2325,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 9 },
	{ PCI_VENDOR_ID_OLICOM, PCI_DEVICE_ID_OLICOM_OC2326,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 10 },
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_NETELLIGENT_10_100_WS_5100,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 11 },
	{ PCI_VENDOR_ID_COMPAQ, PCI_DEVICE_ID_NETELLIGENT_10_T2,
	  PCI_ANY_ID, PCI_ANY_ID, 0, 0, 12 },
	{ 0,}
};
MODULE_DEVICE_TABLE(pci, tlan_pci_tbl);

static void	tlan_eisa_probe(void);
static void	tlan_eisa_cleanup(void);
static int      tlan_init(struct net_device *);
static int	tlan_open(struct net_device *dev);
static netdev_tx_t tlan_start_tx(struct sk_buff *, struct net_device *);
static irqreturn_t tlan_handle_interrupt(int, void *);
static int	tlan_close(struct net_device *);
static struct	net_device_stats *tlan_get_stats(struct net_device *);
static void	tlan_set_multicast_list(struct net_device *);
static int	tlan_ioctl(struct net_device *dev, struct ifreq *rq, int cmd);
static int      tlan_probe1(struct pci_dev *pdev, long ioaddr,
			    int irq, int rev, const struct pci_device_id *ent);
static void	tlan_tx_timeout(struct net_device *dev);
static void	tlan_tx_timeout_work(struct work_struct *work);
static int	tlan_init_one(struct pci_dev *pdev,
			      const struct pci_device_id *ent);

static u32	tlan_handle_tx_eof(struct net_device *, u16);
static u32	tlan_handle_stat_overflow(struct net_device *, u16);
static u32	tlan_handle_rx_eof(struct net_device *, u16);
static u32	tlan_handle_dummy(struct net_device *, u16);
static u32	tlan_handle_tx_eoc(struct net_device *, u16);
static u32	tlan_handle_status_check(struct net_device *, u16);
static u32	tlan_handle_rx_eoc(struct net_device *, u16);

static void	tlan_timer(unsigned long);

static void	tlan_reset_lists(struct net_device *);
static void	tlan_free_lists(struct net_device *);
static void	tlan_print_dio(u16);
static void	tlan_print_list(struct tlan_list *, char *, int);
static void	tlan_read_and_clear_stats(struct net_device *, int);
static void	tlan_reset_adapter(struct net_device *);
static void	tlan_finish_reset(struct net_device *);
static void	tlan_set_mac(struct net_device *, int areg, char *mac);

static void	tlan_phy_print(struct net_device *);
static void	tlan_phy_detect(struct net_device *);
static void	tlan_phy_power_down(struct net_device *);
static void	tlan_phy_power_up(struct net_device *);
static void	tlan_phy_reset(struct net_device *);
static void	tlan_phy_start_link(struct net_device *);
static void	tlan_phy_finish_auto_neg(struct net_device *);
static void     tlan_phy_monitor(unsigned long);

/*
  static int	tlan_phy_nop(struct net_device *);
  static int	tlan_phy_internal_check(struct net_device *);
  static int	tlan_phy_internal_service(struct net_device *);
  static int	tlan_phy_dp83840a_check(struct net_device *);
*/

static bool	tlan_mii_read_reg(struct net_device *, u16, u16, u16 *);
static void	tlan_mii_send_data(u16, u32, unsigned);
static void	tlan_mii_sync(u16);
static void	tlan_mii_write_reg(struct net_device *, u16, u16, u16);

static void	tlan_ee_send_start(u16);
static int	tlan_ee_send_byte(u16, u8, int);
static void	tlan_ee_receive_byte(u16, u8 *, int);
static int	tlan_ee_read_byte(struct net_device *, u8, u8 *);


static inline void
tlan_store_skb(struct tlan_list *tag, struct sk_buff *skb)
{
	unsigned long addr = (unsigned long)skb;
	tag->buffer[9].address = addr;
	tag->buffer[8].address = upper_32_bits(addr);
}

static inline struct sk_buff *
tlan_get_skb(const struct tlan_list *tag)
{
	unsigned long addr;

	addr = tag->buffer[9].address;
	addr |= ((unsigned long) tag->buffer[8].address << 16) << 16;
	return (struct sk_buff *) addr;
}

static u32
(*tlan_int_vector[TLAN_INT_NUMBER_OF_INTS])(struct net_device *, u16) = {
	NULL,
	tlan_handle_tx_eof,
	tlan_handle_stat_overflow,
	tlan_handle_rx_eof,
	tlan_handle_dummy,
	tlan_handle_tx_eoc,
	tlan_handle_status_check,
	tlan_handle_rx_eoc
};

static inline void
tlan_set_timer(struct net_device *dev, u32 ticks, u32 type)
{
	struct tlan_priv *priv = netdev_priv(dev);
	unsigned long flags = 0;

	if (!in_irq())
		spin_lock_irqsave(&priv->lock, flags);
	if (priv->timer.function != NULL &&
	    priv->timer_type != TLAN_TIMER_ACTIVITY) {
		if (!in_irq())
			spin_unlock_irqrestore(&priv->lock, flags);
		return;
	}
	priv->timer.function = tlan_timer;
	if (!in_irq())
		spin_unlock_irqrestore(&priv->lock, flags);

	priv->timer.data = (unsigned long) dev;
	priv->timer_set_at = jiffies;
	priv->timer_type = type;
	mod_timer(&priv->timer, jiffies + ticks);

}


/*****************************************************************************
******************************************************************************

ThunderLAN driver primary functions

these functions are more or less common to all linux network drivers.

******************************************************************************
*****************************************************************************/





/***************************************************************
 *	tlan_remove_one
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		None
 *
 *	Goes through the TLanDevices list and frees the device
 *	structs and memory associated with each device (lists
 *	and buffers).  It also ureserves the IO port regions
 *	associated with this device.
 *
 **************************************************************/


static void tlan_remove_one(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	struct tlan_priv	*priv = netdev_priv(dev);

	unregister_netdev(dev);

	if (priv->dma_storage) {
		pci_free_consistent(priv->pci_dev,
				    priv->dma_size, priv->dma_storage,
				    priv->dma_storage_dma);
	}

#ifdef CONFIG_PCI
	pci_release_regions(pdev);
#endif

	free_netdev(dev);

	cancel_work_sync(&priv->tlan_tqueue);
}

static void tlan_start(struct net_device *dev)
{
	tlan_reset_lists(dev);
	/* NOTE: It might not be necessary to read the stats before a
	   reset if you don't care what the values are.
	*/
	tlan_read_and_clear_stats(dev, TLAN_IGNORE);
	tlan_reset_adapter(dev);
	netif_wake_queue(dev);
}

static void tlan_stop(struct net_device *dev)
{
	struct tlan_priv *priv = netdev_priv(dev);

	del_timer_sync(&priv->media_timer);
	tlan_read_and_clear_stats(dev, TLAN_RECORD);
	outl(TLAN_HC_AD_RST, dev->base_addr + TLAN_HOST_CMD);
	/* Reset and power down phy */
	tlan_reset_adapter(dev);
	if (priv->timer.function != NULL) {
		del_timer_sync(&priv->timer);
		priv->timer.function = NULL;
	}
}

#ifdef CONFIG_PM

static int tlan_suspend(struct pci_dev *pdev, pm_message_t state)
{
	struct net_device *dev = pci_get_drvdata(pdev);

	if (netif_running(dev))
		tlan_stop(dev);

	netif_device_detach(dev);
	pci_save_state(pdev);
	pci_disable_device(pdev);
	pci_wake_from_d3(pdev, false);
	pci_set_power_state(pdev, PCI_D3hot);

	return 0;
}

static int tlan_resume(struct pci_dev *pdev)
{
	struct net_device *dev = pci_get_drvdata(pdev);
	int rc = pci_enable_device(pdev);

	if (rc)
		return rc;
	pci_restore_state(pdev);
	pci_enable_wake(pdev, PCI_D0, 0);
	netif_device_attach(dev);

	if (netif_running(dev))
		tlan_start(dev);

	return 0;
}

#else /* CONFIG_PM */

#define tlan_suspend   NULL
#define tlan_resume    NULL

#endif /* CONFIG_PM */


static struct pci_driver tlan_driver = {
	.name		= "tlan",
	.id_table	= tlan_pci_tbl,
	.probe		= tlan_init_one,
	.remove		= tlan_remove_one,
	.suspend	= tlan_suspend,
	.resume		= tlan_resume,
};

static int __init tlan_probe(void)
{
	int rc = -ENODEV;

	pr_info("%s", tlan_banner);

	TLAN_DBG(TLAN_DEBUG_PROBE, "Starting PCI Probe....\n");

	/* Use new style PCI probing. Now the kernel will
	   do most of this for us */
	rc = pci_register_driver(&tlan_driver);

	if (rc != 0) {
		pr_err("Could not register pci driver\n");
		goto err_out_pci_free;
	}

	TLAN_DBG(TLAN_DEBUG_PROBE, "Starting EISA Probe....\n");
	tlan_eisa_probe();

	pr_info("%d device%s installed, PCI: %d  EISA: %d\n",
		tlan_devices_installed, tlan_devices_installed == 1 ? "" : "s",
		tlan_have_pci, tlan_have_eisa);

	if (tlan_devices_installed == 0) {
		rc = -ENODEV;
		goto  err_out_pci_unreg;
	}
	return 0;

err_out_pci_unreg:
	pci_unregister_driver(&tlan_driver);
err_out_pci_free:
	return rc;
}


static int tlan_init_one(struct pci_dev *pdev,
				   const struct pci_device_id *ent)
{
	return tlan_probe1(pdev, -1, -1, 0, ent);
}


/*
***************************************************************
*	tlan_probe1
*
*	Returns:
*		0 on success, error code on error
*	Parms:
*		none
*
*	The name is lower case to fit in with all the rest of
*	the netcard_probe names.  This function looks for
*	another TLan based adapter, setting it up with the
*	allocated device struct if one is found.
*	tlan_probe has been ported to the new net API and
*	now allocates its own device structure. This function
*	is also used by modules.
*
**************************************************************/

static int tlan_probe1(struct pci_dev *pdev, long ioaddr, int irq, int rev,
		       const struct pci_device_id *ent)
{

	struct net_device  *dev;
	struct tlan_priv  *priv;
	u16		   device_id;
	int		   reg, rc = -ENODEV;

#ifdef CONFIG_PCI
	if (pdev) {
		rc = pci_enable_device(pdev);
		if (rc)
			return rc;

		rc = pci_request_regions(pdev, tlan_signature);
		if (rc) {
			pr_err("Could not reserve IO regions\n");
			goto err_out;
		}
	}
#endif  /*  CONFIG_PCI  */

	dev = alloc_etherdev(sizeof(struct tlan_priv));
	if (dev == NULL) {
		rc = -ENOMEM;
		goto err_out_regions;
	}
	SET_NETDEV_DEV(dev, &pdev->dev);

	priv = netdev_priv(dev);

	priv->pci_dev = pdev;
	priv->dev = dev;

	/* Is this a PCI device? */
	if (pdev) {
		u32		   pci_io_base = 0;

		priv->adapter = &board_info[ent->driver_data];

		rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
		if (rc) {
			pr_err("No suitable PCI mapping available\n");
			goto err_out_free_dev;
		}

		for (reg = 0; reg <= 5; reg++) {
			if (pci_resource_flags(pdev, reg) & IORESOURCE_IO) {
				pci_io_base = pci_resource_start(pdev, reg);
				TLAN_DBG(TLAN_DEBUG_GNRL,
					 "IO mapping is available at %x.\n",
					 pci_io_base);
				break;
			}
		}
		if (!pci_io_base) {
			pr_err("No IO mappings available\n");
			rc = -EIO;
			goto err_out_free_dev;
		}

		dev->base_addr = pci_io_base;
		dev->irq = pdev->irq;
		priv->adapter_rev = pdev->revision;
		pci_set_master(pdev);
		pci_set_drvdata(pdev, dev);

	} else	{     /* EISA card */
		/* This is a hack. We need to know which board structure
		 * is suited for this adapter */
		device_id = inw(ioaddr + EISA_ID2);
		if (device_id == 0x20F1) {
			priv->adapter = &board_info[13]; /* NetFlex-3/E */
			priv->adapter_rev = 23;		/* TLAN 2.3 */
		} else {
			priv->adapter = &board_info[14];
			priv->adapter_rev = 10;		/* TLAN 1.0 */
		}
		dev->base_addr = ioaddr;
		dev->irq = irq;
	}

	/* Kernel parameters */
	if (dev->mem_start) {
		priv->aui    = dev->mem_start & 0x01;
		priv->duplex = ((dev->mem_start & 0x06) == 0x06) ? 0
			: (dev->mem_start & 0x06) >> 1;
		priv->speed  = ((dev->mem_start & 0x18) == 0x18) ? 0
			: (dev->mem_start & 0x18) >> 3;

		if (priv->speed == 0x1)
			priv->speed = TLAN_SPEED_10;
		else if (priv->speed == 0x2)
			priv->speed = TLAN_SPEED_100;

		debug = priv->debug = dev->mem_end;
	} else {
		priv->aui    = aui[boards_found];
		priv->speed  = speed[boards_found];
		priv->duplex = duplex[boards_found];
		priv->debug = debug;
	}

	/* This will be used when we get an adapter error from
	 * within our irq handler */
	INIT_WORK(&priv->tlan_tqueue, tlan_tx_timeout_work);

	spin_lock_init(&priv->lock);

	rc = tlan_init(dev);
	if (rc) {
		pr_err("Could not set up device\n");
		goto err_out_free_dev;
	}

	rc = register_netdev(dev);
	if (rc) {
		pr_err("Could not register device\n");
		goto err_out_uninit;
	}


	tlan_devices_installed++;
	boards_found++;

	/* pdev is NULL if this is an EISA device */
	if (pdev)
		tlan_have_pci++;
	else {
		priv->next_device = tlan_eisa_devices;
		tlan_eisa_devices = dev;
		tlan_have_eisa++;
	}

	netdev_info(dev, "irq=%2d, io=%04x, %s, Rev. %d\n",
		    (int)dev->irq,
		    (int)dev->base_addr,
		    priv->adapter->device_label,
		    priv->adapter_rev);
	return 0;

err_out_uninit:
	pci_free_consistent(priv->pci_dev, priv->dma_size, priv->dma_storage,
			    priv->dma_storage_dma);
err_out_free_dev:
	free_netdev(dev);
err_out_regions:
#ifdef CONFIG_PCI
	if (pdev)
		pci_release_regions(pdev);
#endif
err_out:
	if (pdev)
		pci_disable_device(pdev);
	return rc;
}


static void tlan_eisa_cleanup(void)
{
	struct net_device *dev;
	struct tlan_priv *priv;

	while (tlan_have_eisa) {
		dev = tlan_eisa_devices;
		priv = netdev_priv(dev);
		if (priv->dma_storage) {
			pci_free_consistent(priv->pci_dev, priv->dma_size,
					    priv->dma_storage,
					    priv->dma_storage_dma);
		}
		release_region(dev->base_addr, 0x10);
		unregister_netdev(dev);
		tlan_eisa_devices = priv->next_device;
		free_netdev(dev);
		tlan_have_eisa--;
	}
}


static void __exit tlan_exit(void)
{
	pci_unregister_driver(&tlan_driver);

	if (tlan_have_eisa)
		tlan_eisa_cleanup();

}


/* Module loading/unloading */
module_init(tlan_probe);
module_exit(tlan_exit);



/**************************************************************
 *	tlan_eisa_probe
 *
 *	Returns: 0 on success, 1 otherwise
 *
 *	Parms:	 None
 *
 *
 *	This functions probes for EISA devices and calls
 *	TLan_probe1 when one is found.
 *
 *************************************************************/

static void  __init tlan_eisa_probe(void)
{
	long	ioaddr;
	int	rc = -ENODEV;
	int	irq;
	u16	device_id;

	if (!EISA_bus) {
		TLAN_DBG(TLAN_DEBUG_PROBE, "No EISA bus present\n");
		return;
	}

	/* Loop through all slots of the EISA bus */
	for (ioaddr = 0x1000; ioaddr < 0x9000; ioaddr += 0x1000) {

		TLAN_DBG(TLAN_DEBUG_PROBE, "EISA_ID 0x%4x: 0x%4x\n",
			 (int) ioaddr + 0xc80, inw(ioaddr + EISA_ID));
		TLAN_DBG(TLAN_DEBUG_PROBE, "EISA_ID 0x%4x: 0x%4x\n",
			 (int) ioaddr + 0xc82, inw(ioaddr + EISA_ID2));


		TLAN_DBG(TLAN_DEBUG_PROBE,
			 "Probing for EISA adapter at IO: 0x%4x : ",
			 (int) ioaddr);
		if (request_region(ioaddr, 0x10, tlan_signature) == NULL)
			goto out;

		if (inw(ioaddr + EISA_ID) != 0x110E) {
			release_region(ioaddr, 0x10);
			goto out;
		}

		device_id = inw(ioaddr + EISA_ID2);
		if (device_id !=  0x20F1 && device_id != 0x40F1) {
			release_region(ioaddr, 0x10);
			goto out;
		}

		/* check if adapter is enabled */
		if (inb(ioaddr + EISA_CR) != 0x1) {
			release_region(ioaddr, 0x10);
			goto out2;
		}

		if (debug == 0x10)
			pr_info("Found one\n");


		/* Get irq from board */
		switch (inb(ioaddr + 0xcc0)) {
		case(0x10):
			irq = 5;
			break;
		case(0x20):
			irq = 9;
			break;
		case(0x40):
			irq = 10;
			break;
		case(0x80):
			irq = 11;
			break;
		default:
			goto out;
		}


		/* Setup the newly found eisa adapter */
		rc = tlan_probe1(NULL, ioaddr, irq,
				 12, NULL);
		continue;

out:
		if (debug == 0x10)
			pr_info("None found\n");
		continue;

out2:
		if (debug == 0x10)
			pr_info("Card found but it is not enabled, skipping\n");
		continue;

	}

}

#ifdef CONFIG_NET_POLL_CONTROLLER
static void tlan_poll(struct net_device *dev)
{
	disable_irq(dev->irq);
	tlan_handle_interrupt(dev->irq, dev);
	enable_irq(dev->irq);
}
#endif

static const struct net_device_ops tlan_netdev_ops = {
	.ndo_open		= tlan_open,
	.ndo_stop		= tlan_close,
	.ndo_start_xmit		= tlan_start_tx,
	.ndo_tx_timeout		= tlan_tx_timeout,
	.ndo_get_stats		= tlan_get_stats,
	.ndo_set_rx_mode	= tlan_set_multicast_list,
	.ndo_do_ioctl		= tlan_ioctl,
	.ndo_change_mtu		= eth_change_mtu,
	.ndo_set_mac_address	= eth_mac_addr,
	.ndo_validate_addr	= eth_validate_addr,
#ifdef CONFIG_NET_POLL_CONTROLLER
	.ndo_poll_controller	 = tlan_poll,
#endif
};

static void tlan_get_drvinfo(struct net_device *dev,
			     struct ethtool_drvinfo *info)
{
	struct tlan_priv *priv = netdev_priv(dev);

	strlcpy(info->driver, KBUILD_MODNAME, sizeof(info->driver));
	if (priv->pci_dev)
		strlcpy(info->bus_info, pci_name(priv->pci_dev),
			sizeof(info->bus_info));
	else
		strlcpy(info->bus_info, "EISA",	sizeof(info->bus_info));
}

static int tlan_get_eeprom_len(struct net_device *dev)
{
	return TLAN_EEPROM_SIZE;
}

static int tlan_get_eeprom(struct net_device *dev,
			   struct ethtool_eeprom *eeprom, u8 *data)
{
	int i;

	for (i = 0; i < TLAN_EEPROM_SIZE; i++)
		if (tlan_ee_read_byte(dev, i, &data[i]))
			return -EIO;

	return 0;
}

static const struct ethtool_ops tlan_ethtool_ops = {
	.get_drvinfo	= tlan_get_drvinfo,
	.get_link	= ethtool_op_get_link,
	.get_eeprom_len	= tlan_get_eeprom_len,
	.get_eeprom	= tlan_get_eeprom,
};

/***************************************************************
 *	tlan_init
 *
 *	Returns:
 *		0 on success, error code otherwise.
 *	Parms:
 *		dev	The structure of the device to be
 *			init'ed.
 *
 *	This function completes the initialization of the
 *	device structure and driver.  It reserves the IO
 *	addresses, allocates memory for the lists and bounce
 *	buffers, retrieves the MAC address from the eeprom
 *	and assignes the device's methods.
 *
 **************************************************************/

static int tlan_init(struct net_device *dev)
{
	int		dma_size;
	int		err;
	int		i;
	struct tlan_priv	*priv;

	priv = netdev_priv(dev);

	dma_size = (TLAN_NUM_RX_LISTS + TLAN_NUM_TX_LISTS)
		* (sizeof(struct tlan_list));
	priv->dma_storage = pci_alloc_consistent(priv->pci_dev,
						 dma_size,
						 &priv->dma_storage_dma);
	priv->dma_size = dma_size;

	if (priv->dma_storage == NULL) {
		pr_err("Could not allocate lists and buffers for %s\n",
		       dev->name);
		return -ENOMEM;
	}
	memset(priv->dma_storage, 0, dma_size);
	priv->rx_list = (struct tlan_list *)
		ALIGN((unsigned long)priv->dma_storage, 8);
	priv->rx_list_dma = ALIGN(priv->dma_storage_dma, 8);
	priv->tx_list = priv->rx_list + TLAN_NUM_RX_LISTS;
	priv->tx_list_dma =
		priv->rx_list_dma + sizeof(struct tlan_list)*TLAN_NUM_RX_LISTS;

	err = 0;
	for (i = 0; i < ETH_ALEN; i++)
		err |= tlan_ee_read_byte(dev,
					 (u8) priv->adapter->addr_ofs + i,
					 (u8 *) &dev->dev_addr[i]);
	if (err) {
		pr_err("%s: Error reading MAC from eeprom: %d\n",
		       dev->name, err);
	}
	/* Olicom OC-2325/OC-2326 have the address byte-swapped */
	if (priv->adapter->addr_ofs == 0xf8) {
		for (i = 0; i < ETH_ALEN; i += 2) {
			char tmp = dev->dev_addr[i];
			dev->dev_addr[i] = dev->dev_addr[i + 1];
			dev->dev_addr[i + 1] = tmp;
		}
	}

	netif_carrier_off(dev);

	/* Device methods */
	dev->netdev_ops = &tlan_netdev_ops;
	dev->ethtool_ops = &tlan_ethtool_ops;
	dev->watchdog_timeo = TX_TIMEOUT;

	return 0;

}




/***************************************************************
 *	tlan_open
 *
 *	Returns:
 *		0 on success, error code otherwise.
 *	Parms:
 *		dev	Structure of device to be opened.
 *
 *	This routine puts the driver and TLAN adapter in a
 *	state where it is ready to send and receive packets.
 *	It allocates the IRQ, resets and brings the adapter
 *	out of reset, and allows interrupts.  It also delays
 *	the startup for autonegotiation or sends a Rx GO
 *	command to the adapter, as appropriate.
 *
 **************************************************************/

static int tlan_open(struct net_device *dev)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	int		err;

	priv->tlan_rev = tlan_dio_read8(dev->base_addr, TLAN_DEF_REVISION);
	err = request_irq(dev->irq, tlan_handle_interrupt, IRQF_SHARED,
			  dev->name, dev);

	if (err) {
		netdev_err(dev, "Cannot open because IRQ %d is already in use\n",
			   dev->irq);
		return err;
	}

	init_timer(&priv->timer);
	init_timer(&priv->media_timer);

	tlan_start(dev);

	TLAN_DBG(TLAN_DEBUG_GNRL, "%s: Opened.  TLAN Chip Rev: %x\n",
		 dev->name, priv->tlan_rev);

	return 0;

}



/**************************************************************
 *	tlan_ioctl
 *
 *	Returns:
 *		0 on success, error code otherwise
 *	Params:
 *		dev	structure of device to receive ioctl.
 *
 *		rq	ifreq structure to hold userspace data.
 *
 *		cmd	ioctl command.
 *
 *
 *************************************************************/

static int tlan_ioctl(struct net_device *dev, struct ifreq *rq, int cmd)
{
	struct tlan_priv *priv = netdev_priv(dev);
	struct mii_ioctl_data *data = if_mii(rq);
	u32 phy   = priv->phy[priv->phy_num];

	if (!priv->phy_online)
		return -EAGAIN;

	switch (cmd) {
	case SIOCGMIIPHY:		/* get address of MII PHY in use. */
		data->phy_id = phy;


	case SIOCGMIIREG:		/* read MII PHY register. */
		tlan_mii_read_reg(dev, data->phy_id & 0x1f,
				  data->reg_num & 0x1f, &data->val_out);
		return 0;


	case SIOCSMIIREG:		/* write MII PHY register. */
		tlan_mii_write_reg(dev, data->phy_id & 0x1f,
				   data->reg_num & 0x1f, data->val_in);
		return 0;
	default:
		return -EOPNOTSUPP;
	}
}


/***************************************************************
 *	tlan_tx_timeout
 *
 *	Returns: nothing
 *
 *	Params:
 *		dev	structure of device which timed out
 *			during transmit.
 *
 **************************************************************/

static void tlan_tx_timeout(struct net_device *dev)
{

	TLAN_DBG(TLAN_DEBUG_GNRL, "%s: Transmit timed out.\n", dev->name);

	/* Ok so we timed out, lets see what we can do about it...*/
	tlan_free_lists(dev);
	tlan_reset_lists(dev);
	tlan_read_and_clear_stats(dev, TLAN_IGNORE);
	tlan_reset_adapter(dev);
	dev->trans_start = jiffies; /* prevent tx timeout */
	netif_wake_queue(dev);

}


/***************************************************************
 *	tlan_tx_timeout_work
 *
 *	Returns: nothing
 *
 *	Params:
 *		work	work item of device which timed out
 *
 **************************************************************/

static void tlan_tx_timeout_work(struct work_struct *work)
{
	struct tlan_priv	*priv =
		container_of(work, struct tlan_priv, tlan_tqueue);

	tlan_tx_timeout(priv->dev);
}



/***************************************************************
 *	tlan_start_tx
 *
 *	Returns:
 *		0 on success, non-zero on failure.
 *	Parms:
 *		skb	A pointer to the sk_buff containing the
 *			frame to be sent.
 *		dev	The device to send the data on.
 *
 *	This function adds a frame to the Tx list to be sent
 *	ASAP.  First it	verifies that the adapter is ready and
 *	there is room in the queue.  Then it sets up the next
 *	available list, copies the frame to the	corresponding
 *	buffer.  If the adapter Tx channel is idle, it gives
 *	the adapter a Tx Go command on the list, otherwise it
 *	sets the forward address of the previous list to point
 *	to this one.  Then it frees the sk_buff.
 *
 **************************************************************/

static netdev_tx_t tlan_start_tx(struct sk_buff *skb, struct net_device *dev)
{
	struct tlan_priv *priv = netdev_priv(dev);
	dma_addr_t	tail_list_phys;
	struct tlan_list	*tail_list;
	unsigned long	flags;
	unsigned int    txlen;

	if (!priv->phy_online) {
		TLAN_DBG(TLAN_DEBUG_TX, "TRANSMIT:  %s PHY is not ready\n",
			 dev->name);
		dev_kfree_skb_any(skb);
		return NETDEV_TX_OK;
	}

	if (skb_padto(skb, TLAN_MIN_FRAME_SIZE))
		return NETDEV_TX_OK;
	txlen = max(skb->len, (unsigned int)TLAN_MIN_FRAME_SIZE);

	tail_list = priv->tx_list + priv->tx_tail;
	tail_list_phys =
		priv->tx_list_dma + sizeof(struct tlan_list)*priv->tx_tail;

	if (tail_list->c_stat != TLAN_CSTAT_UNUSED) {
		TLAN_DBG(TLAN_DEBUG_TX,
			 "TRANSMIT:  %s is busy (Head=%d Tail=%d)\n",
			 dev->name, priv->tx_head, priv->tx_tail);
		netif_stop_queue(dev);
		priv->tx_busy_count++;
		return NETDEV_TX_BUSY;
	}

	tail_list->forward = 0;

	tail_list->buffer[0].address = pci_map_single(priv->pci_dev,
						      skb->data, txlen,
						      PCI_DMA_TODEVICE);
	tlan_store_skb(tail_list, skb);

	tail_list->frame_size = (u16) txlen;
	tail_list->buffer[0].count = TLAN_LAST_BUFFER | (u32) txlen;
	tail_list->buffer[1].count = 0;
	tail_list->buffer[1].address = 0;

	spin_lock_irqsave(&priv->lock, flags);
	tail_list->c_stat = TLAN_CSTAT_READY;
	if (!priv->tx_in_progress) {
		priv->tx_in_progress = 1;
		TLAN_DBG(TLAN_DEBUG_TX,
			 "TRANSMIT:  Starting TX on buffer %d\n",
			 priv->tx_tail);
		outl(tail_list_phys, dev->base_addr + TLAN_CH_PARM);
		outl(TLAN_HC_GO, dev->base_addr + TLAN_HOST_CMD);
	} else {
		TLAN_DBG(TLAN_DEBUG_TX,
			 "TRANSMIT:  Adding buffer %d to TX channel\n",
			 priv->tx_tail);
		if (priv->tx_tail == 0) {
			(priv->tx_list + (TLAN_NUM_TX_LISTS - 1))->forward
				= tail_list_phys;
		} else {
			(priv->tx_list + (priv->tx_tail - 1))->forward
				= tail_list_phys;
		}
	}
	spin_unlock_irqrestore(&priv->lock, flags);

	CIRC_INC(priv->tx_tail, TLAN_NUM_TX_LISTS);

	return NETDEV_TX_OK;

}




/***************************************************************
 *	tlan_handle_interrupt
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		irq	The line on which the interrupt
 *			occurred.
 *		dev_id	A pointer to the device assigned to
 *			this irq line.
 *
 *	This function handles an interrupt generated by its
 *	assigned TLAN adapter.  The function deactivates
 *	interrupts on its adapter, records the type of
 *	interrupt, executes the appropriate subhandler, and
 *	acknowdges the interrupt to the adapter (thus
 *	re-enabling adapter interrupts.
 *
 **************************************************************/

static irqreturn_t tlan_handle_interrupt(int irq, void *dev_id)
{
	struct net_device	*dev = dev_id;
	struct tlan_priv *priv = netdev_priv(dev);
	u16		host_int;
	u16		type;

	spin_lock(&priv->lock);

	host_int = inw(dev->base_addr + TLAN_HOST_INT);
	type = (host_int & TLAN_HI_IT_MASK) >> 2;
	if (type) {
		u32	ack;
		u32	host_cmd;

		outw(host_int, dev->base_addr + TLAN_HOST_INT);
		ack = tlan_int_vector[type](dev, host_int);

		if (ack) {
			host_cmd = TLAN_HC_ACK | ack | (type << 18);
			outl(host_cmd, dev->base_addr + TLAN_HOST_CMD);
		}
	}

	spin_unlock(&priv->lock);

	return IRQ_RETVAL(type);
}




/***************************************************************
 *	tlan_close
 *
 *	Returns:
 *		An error code.
 *	Parms:
 *		dev	The device structure of the device to
 *			close.
 *
 *	This function shuts down the adapter.  It records any
 *	stats, puts the adapter into reset state, deactivates
 *	its time as needed, and	frees the irq it is using.
 *
 **************************************************************/

static int tlan_close(struct net_device *dev)
{
	tlan_stop(dev);

	free_irq(dev->irq, dev);
	tlan_free_lists(dev);
	TLAN_DBG(TLAN_DEBUG_GNRL, "Device %s closed.\n", dev->name);

	return 0;

}




/***************************************************************
 *	tlan_get_stats
 *
 *	Returns:
 *		A pointer to the device's statistics structure.
 *	Parms:
 *		dev	The device structure to return the
 *			stats for.
 *
 *	This function updates the devices statistics by reading
 *	the TLAN chip's onboard registers.  Then it returns the
 *	address of the statistics structure.
 *
 **************************************************************/

static struct net_device_stats *tlan_get_stats(struct net_device *dev)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	int i;

	/* Should only read stats if open ? */
	tlan_read_and_clear_stats(dev, TLAN_RECORD);

	TLAN_DBG(TLAN_DEBUG_RX, "RECEIVE:  %s EOC count = %d\n", dev->name,
		 priv->rx_eoc_count);
	TLAN_DBG(TLAN_DEBUG_TX, "TRANSMIT:  %s Busy count = %d\n", dev->name,
		 priv->tx_busy_count);
	if (debug & TLAN_DEBUG_GNRL) {
		tlan_print_dio(dev->base_addr);
		tlan_phy_print(dev);
	}
	if (debug & TLAN_DEBUG_LIST) {
		for (i = 0; i < TLAN_NUM_RX_LISTS; i++)
			tlan_print_list(priv->rx_list + i, "RX", i);
		for (i = 0; i < TLAN_NUM_TX_LISTS; i++)
			tlan_print_list(priv->tx_list + i, "TX", i);
	}

	return &dev->stats;

}




/***************************************************************
 *	tlan_set_multicast_list
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		dev	The device structure to set the
 *			multicast list for.
 *
 *	This function sets the TLAN adaptor to various receive
 *	modes.  If the IFF_PROMISC flag is set, promiscuous
 *	mode is acitviated.  Otherwise,	promiscuous mode is
 *	turned off.  If the IFF_ALLMULTI flag is set, then
 *	the hash table is set to receive all group addresses.
 *	Otherwise, the first three multicast addresses are
 *	stored in AREG_1-3, and the rest are selected via the
 *	hash table, as necessary.
 *
 **************************************************************/

static void tlan_set_multicast_list(struct net_device *dev)
{
	struct netdev_hw_addr *ha;
	u32			hash1 = 0;
	u32			hash2 = 0;
	int			i;
	u32			offset;
	u8			tmp;

	if (dev->flags & IFF_PROMISC) {
		tmp = tlan_dio_read8(dev->base_addr, TLAN_NET_CMD);
		tlan_dio_write8(dev->base_addr,
				TLAN_NET_CMD, tmp | TLAN_NET_CMD_CAF);
	} else {
		tmp = tlan_dio_read8(dev->base_addr, TLAN_NET_CMD);
		tlan_dio_write8(dev->base_addr,
				TLAN_NET_CMD, tmp & ~TLAN_NET_CMD_CAF);
		if (dev->flags & IFF_ALLMULTI) {
			for (i = 0; i < 3; i++)
				tlan_set_mac(dev, i + 1, NULL);
			tlan_dio_write32(dev->base_addr, TLAN_HASH_1,
					 0xffffffff);
			tlan_dio_write32(dev->base_addr, TLAN_HASH_2,
					 0xffffffff);
		} else {
			i = 0;
			netdev_for_each_mc_addr(ha, dev) {
				if (i < 3) {
					tlan_set_mac(dev, i + 1,
						     (char *) &ha->addr);
				} else {
					offset =
						tlan_hash_func((u8 *)&ha->addr);
					if (offset < 32)
						hash1 |= (1 << offset);
					else
						hash2 |= (1 << (offset - 32));
				}
				i++;
			}
			for ( ; i < 3; i++)
				tlan_set_mac(dev, i + 1, NULL);
			tlan_dio_write32(dev->base_addr, TLAN_HASH_1, hash1);
			tlan_dio_write32(dev->base_addr, TLAN_HASH_2, hash2);
		}
	}

}



/*****************************************************************************
******************************************************************************

ThunderLAN driver interrupt vectors and table

please see chap. 4, "Interrupt Handling" of the "ThunderLAN
Programmer's Guide" for more informations on handling interrupts
generated by TLAN based adapters.

******************************************************************************
*****************************************************************************/




/***************************************************************
 *	tlan_handle_tx_eof
 *
 *	Returns:
 *		1
 *	Parms:
 *		dev		Device assigned the IRQ that was
 *				raised.
 *		host_int	The contents of the HOST_INT
 *				port.
 *
 *	This function handles Tx EOF interrupts which are raised
 *	by the adapter when it has completed sending the
 *	contents of a buffer.  If detemines which list/buffer
 *	was completed and resets it.  If the buffer was the last
 *	in the channel (EOC), then the function checks to see if
 *	another buffer is ready to send, and if so, sends a Tx
 *	Go command.  Finally, the driver activates/continues the
 *	activity LED.
 *
 **************************************************************/

static u32 tlan_handle_tx_eof(struct net_device *dev, u16 host_int)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	int		eoc = 0;
	struct tlan_list	*head_list;
	dma_addr_t	head_list_phys;
	u32		ack = 0;
	u16		tmp_c_stat;

	TLAN_DBG(TLAN_DEBUG_TX,
		 "TRANSMIT:  Handling TX EOF (Head=%d Tail=%d)\n",
		 priv->tx_head, priv->tx_tail);
	head_list = priv->tx_list + priv->tx_head;

	while (((tmp_c_stat = head_list->c_stat) & TLAN_CSTAT_FRM_CMP)
	       && (ack < 255)) {
		struct sk_buff *skb = tlan_get_skb(head_list);

		ack++;
		pci_unmap_single(priv->pci_dev, head_list->buffer[0].address,
				 max(skb->len,
				     (unsigned int)TLAN_MIN_FRAME_SIZE),
				 PCI_DMA_TODEVICE);
		dev_kfree_skb_any(skb);
		head_list->buffer[8].address = 0;
		head_list->buffer[9].address = 0;

		if (tmp_c_stat & TLAN_CSTAT_EOC)
			eoc = 1;

		dev->stats.tx_bytes += head_list->frame_size;

		head_list->c_stat = TLAN_CSTAT_UNUSED;
		netif_start_queue(dev);
		CIRC_INC(priv->tx_head, TLAN_NUM_TX_LISTS);
		head_list = priv->tx_list + priv->tx_head;
	}

	if (!ack)
		netdev_info(dev,
			    "Received interrupt for uncompleted TX frame\n");

	if (eoc) {
		TLAN_DBG(TLAN_DEBUG_TX,
			 "TRANSMIT:  handling TX EOC (Head=%d Tail=%d)\n",
			 priv->tx_head, priv->tx_tail);
		head_list = priv->tx_list + priv->tx_head;
		head_list_phys = priv->tx_list_dma
			+ sizeof(struct tlan_list)*priv->tx_head;
		if ((head_list->c_stat & TLAN_CSTAT_READY)
		    == TLAN_CSTAT_READY) {
			outl(head_list_phys, dev->base_addr + TLAN_CH_PARM);
			ack |= TLAN_HC_GO;
		} else {
			priv->tx_in_progress = 0;
		}
	}

	if (priv->adapter->flags & TLAN_ADAPTER_ACTIVITY_LED) {
		tlan_dio_write8(dev->base_addr,
				TLAN_LED_REG, TLAN_LED_LINK | TLAN_LED_ACT);
		if (priv->timer.function == NULL) {
			priv->timer.function = tlan_timer;
			priv->timer.data = (unsigned long) dev;
			priv->timer.expires = jiffies + TLAN_TIMER_ACT_DELAY;
			priv->timer_set_at = jiffies;
			priv->timer_type = TLAN_TIMER_ACTIVITY;
			add_timer(&priv->timer);
		} else if (priv->timer_type == TLAN_TIMER_ACTIVITY) {
			priv->timer_set_at = jiffies;
		}
	}

	return ack;

}




/***************************************************************
 *	TLan_HandleStatOverflow
 *
 *	Returns:
 *		1
 *	Parms:
 *		dev		Device assigned the IRQ that was
 *				raised.
 *		host_int	The contents of the HOST_INT
 *				port.
 *
 *	This function handles the Statistics Overflow interrupt
 *	which means that one or more of the TLAN statistics
 *	registers has reached 1/2 capacity and needs to be read.
 *
 **************************************************************/

static u32 tlan_handle_stat_overflow(struct net_device *dev, u16 host_int)
{
	tlan_read_and_clear_stats(dev, TLAN_RECORD);

	return 1;

}




/***************************************************************
 *	TLan_HandleRxEOF
 *
 *	Returns:
 *		1
 *	Parms:
 *		dev		Device assigned the IRQ that was
 *				raised.
 *		host_int	The contents of the HOST_INT
 *				port.
 *
 *	This function handles the Rx EOF interrupt which
 *	indicates a frame has been received by the adapter from
 *	the net and the frame has been transferred to memory.
 *	The function determines the bounce buffer the frame has
 *	been loaded into, creates a new sk_buff big enough to
 *	hold the frame, and sends it to protocol stack.  It
 *	then resets the used buffer and appends it to the end
 *	of the list.  If the frame was the last in the Rx
 *	channel (EOC), the function restarts the receive channel
 *	by sending an Rx Go command to the adapter.  Then it
 *	activates/continues the activity LED.
 *
 **************************************************************/

static u32 tlan_handle_rx_eof(struct net_device *dev, u16 host_int)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	u32		ack = 0;
	int		eoc = 0;
	struct tlan_list	*head_list;
	struct sk_buff	*skb;
	struct tlan_list	*tail_list;
	u16		tmp_c_stat;
	dma_addr_t	head_list_phys;

	TLAN_DBG(TLAN_DEBUG_RX, "RECEIVE:  handling RX EOF (Head=%d Tail=%d)\n",
		 priv->rx_head, priv->rx_tail);
	head_list = priv->rx_list + priv->rx_head;
	head_list_phys =
		priv->rx_list_dma + sizeof(struct tlan_list)*priv->rx_head;

	while (((tmp_c_stat = head_list->c_stat) & TLAN_CSTAT_FRM_CMP)
	       && (ack < 255)) {
		dma_addr_t frame_dma = head_list->buffer[0].address;
		u32 frame_size = head_list->frame_size;
		struct sk_buff *new_skb;

		ack++;
		if (tmp_c_stat & TLAN_CSTAT_EOC)
			eoc = 1;

		new_skb = netdev_alloc_skb_ip_align(dev,
						    TLAN_MAX_FRAME_SIZE + 5);
		if (!new_skb)
			goto drop_and_reuse;

		skb = tlan_get_skb(head_list);
		pci_unmap_single(priv->pci_dev, frame_dma,
				 TLAN_MAX_FRAME_SIZE, PCI_DMA_FROMDEVICE);
		skb_put(skb, frame_size);

		dev->stats.rx_bytes += frame_size;

		skb->protocol = eth_type_trans(skb, dev);
		netif_rx(skb);

		head_list->buffer[0].address =
			pci_map_single(priv->pci_dev, new_skb->data,
				       TLAN_MAX_FRAME_SIZE, PCI_DMA_FROMDEVICE);

		tlan_store_skb(head_list, new_skb);
drop_and_reuse:
		head_list->forward = 0;
		head_list->c_stat = 0;
		tail_list = priv->rx_list + priv->rx_tail;
		tail_list->forward = head_list_phys;

		CIRC_INC(priv->rx_head, TLAN_NUM_RX_LISTS);
		CIRC_INC(priv->rx_tail, TLAN_NUM_RX_LISTS);
		head_list = priv->rx_list + priv->rx_head;
		head_list_phys = priv->rx_list_dma
			+ sizeof(struct tlan_list)*priv->rx_head;
	}

	if (!ack)
		netdev_info(dev,
			    "Received interrupt for uncompleted RX frame\n");


	if (eoc) {
		TLAN_DBG(TLAN_DEBUG_RX,
			 "RECEIVE:  handling RX EOC (Head=%d Tail=%d)\n",
			 priv->rx_head, priv->rx_tail);
		head_list = priv->rx_list + priv->rx_head;
		head_list_phys = priv->rx_list_dma
			+ sizeof(struct tlan_list)*priv->rx_head;
		outl(head_list_phys, dev->base_addr + TLAN_CH_PARM);
		ack |= TLAN_HC_GO | TLAN_HC_RT;
		priv->rx_eoc_count++;
	}

	if (priv->adapter->flags & TLAN_ADAPTER_ACTIVITY_LED) {
		tlan_dio_write8(dev->base_addr,
				TLAN_LED_REG, TLAN_LED_LINK | TLAN_LED_ACT);
		if (priv->timer.function == NULL)  {
			priv->timer.function = tlan_timer;
			priv->timer.data = (unsigned long) dev;
			priv->timer.expires = jiffies + TLAN_TIMER_ACT_DELAY;
			priv->timer_set_at = jiffies;
			priv->timer_type = TLAN_TIMER_ACTIVITY;
			add_timer(&priv->timer);
		} else if (priv->timer_type == TLAN_TIMER_ACTIVITY) {
			priv->timer_set_at = jiffies;
		}
	}

	return ack;

}




/***************************************************************
 *	tlan_handle_dummy
 *
 *	Returns:
 *		1
 *	Parms:
 *		dev		Device assigned the IRQ that was
 *				raised.
 *		host_int	The contents of the HOST_INT
 *				port.
 *
 *	This function handles the Dummy interrupt, which is
 *	raised whenever a test interrupt is generated by setting
 *	the Req_Int bit of HOST_CMD to 1.
 *
 **************************************************************/

static u32 tlan_handle_dummy(struct net_device *dev, u16 host_int)
{
	netdev_info(dev, "Test interrupt\n");
	return 1;

}




/***************************************************************
 *	tlan_handle_tx_eoc
 *
 *	Returns:
 *		1
 *	Parms:
 *		dev		Device assigned the IRQ that was
 *				raised.
 *		host_int	The contents of the HOST_INT
 *				port.
 *
 *	This driver is structured to determine EOC occurrences by
 *	reading the CSTAT member of the list structure.  Tx EOC
 *	interrupts are disabled via the DIO INTDIS register.
 *	However, TLAN chips before revision 3.0 didn't have this
 *	functionality, so process EOC events if this is the
 *	case.
 *
 **************************************************************/

static u32 tlan_handle_tx_eoc(struct net_device *dev, u16 host_int)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	struct tlan_list		*head_list;
	dma_addr_t		head_list_phys;
	u32			ack = 1;

	host_int = 0;
	if (priv->tlan_rev < 0x30) {
		TLAN_DBG(TLAN_DEBUG_TX,
			 "TRANSMIT:  handling TX EOC (Head=%d Tail=%d) -- IRQ\n",
			 priv->tx_head, priv->tx_tail);
		head_list = priv->tx_list + priv->tx_head;
		head_list_phys = priv->tx_list_dma
			+ sizeof(struct tlan_list)*priv->tx_head;
		if ((head_list->c_stat & TLAN_CSTAT_READY)
		    == TLAN_CSTAT_READY) {
			netif_stop_queue(dev);
			outl(head_list_phys, dev->base_addr + TLAN_CH_PARM);
			ack |= TLAN_HC_GO;
		} else {
			priv->tx_in_progress = 0;
		}
	}

	return ack;

}




/***************************************************************
 *	tlan_handle_status_check
 *
 *	Returns:
 *		0 if Adapter check, 1 if Network Status check.
 *	Parms:
 *		dev		Device assigned the IRQ that was
 *				raised.
 *		host_int	The contents of the HOST_INT
 *				port.
 *
 *	This function handles Adapter Check/Network Status
 *	interrupts generated by the adapter.  It checks the
 *	vector in the HOST_INT register to determine if it is
 *	an Adapter Check interrupt.  If so, it resets the
 *	adapter.  Otherwise it clears the status registers
 *	and services the PHY.
 *
 **************************************************************/

static u32 tlan_handle_status_check(struct net_device *dev, u16 host_int)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	u32		ack;
	u32		error;
	u8		net_sts;
	u32		phy;
	u16		tlphy_ctl;
	u16		tlphy_sts;

	ack = 1;
	if (host_int & TLAN_HI_IV_MASK) {
		netif_stop_queue(dev);
		error = inl(dev->base_addr + TLAN_CH_PARM);
		netdev_info(dev, "Adaptor Error = 0x%x\n", error);
		tlan_read_and_clear_stats(dev, TLAN_RECORD);
		outl(TLAN_HC_AD_RST, dev->base_addr + TLAN_HOST_CMD);

		schedule_work(&priv->tlan_tqueue);

		netif_wake_queue(dev);
		ack = 0;
	} else {
		TLAN_DBG(TLAN_DEBUG_GNRL, "%s: Status Check\n", dev->name);
		phy = priv->phy[priv->phy_num];

		net_sts = tlan_dio_read8(dev->base_addr, TLAN_NET_STS);
		if (net_sts) {
			tlan_dio_write8(dev->base_addr, TLAN_NET_STS, net_sts);
			TLAN_DBG(TLAN_DEBUG_GNRL, "%s:    Net_Sts = %x\n",
				 dev->name, (unsigned) net_sts);
		}
		if ((net_sts & TLAN_NET_STS_MIRQ) &&  (priv->phy_num == 0)) {
			tlan_mii_read_reg(dev, phy, TLAN_TLPHY_STS, &tlphy_sts);
			tlan_mii_read_reg(dev, phy, TLAN_TLPHY_CTL, &tlphy_ctl);
			if (!(tlphy_sts & TLAN_TS_POLOK) &&
			    !(tlphy_ctl & TLAN_TC_SWAPOL)) {
				tlphy_ctl |= TLAN_TC_SWAPOL;
				tlan_mii_write_reg(dev, phy, TLAN_TLPHY_CTL,
						   tlphy_ctl);
			} else if ((tlphy_sts & TLAN_TS_POLOK) &&
				   (tlphy_ctl & TLAN_TC_SWAPOL)) {
				tlphy_ctl &= ~TLAN_TC_SWAPOL;
				tlan_mii_write_reg(dev, phy, TLAN_TLPHY_CTL,
						   tlphy_ctl);
			}

			if (debug)
				tlan_phy_print(dev);
		}
	}

	return ack;

}




/***************************************************************
 *	tlan_handle_rx_eoc
 *
 *	Returns:
 *		1
 *	Parms:
 *		dev		Device assigned the IRQ that was
 *				raised.
 *		host_int	The contents of the HOST_INT
 *				port.
 *
 *	This driver is structured to determine EOC occurrences by
 *	reading the CSTAT member of the list structure.  Rx EOC
 *	interrupts are disabled via the DIO INTDIS register.
 *	However, TLAN chips before revision 3.0 didn't have this
 *	CSTAT member or a INTDIS register, so if this chip is
 *	pre-3.0, process EOC interrupts normally.
 *
 **************************************************************/

static u32 tlan_handle_rx_eoc(struct net_device *dev, u16 host_int)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	dma_addr_t	head_list_phys;
	u32		ack = 1;

	if (priv->tlan_rev < 0x30) {
		TLAN_DBG(TLAN_DEBUG_RX,
			 "RECEIVE:  Handling RX EOC (head=%d tail=%d) -- IRQ\n",
			 priv->rx_head, priv->rx_tail);
		head_list_phys = priv->rx_list_dma
			+ sizeof(struct tlan_list)*priv->rx_head;
		outl(head_list_phys, dev->base_addr + TLAN_CH_PARM);
		ack |= TLAN_HC_GO | TLAN_HC_RT;
		priv->rx_eoc_count++;
	}

	return ack;

}




/*****************************************************************************
******************************************************************************

ThunderLAN driver timer function

******************************************************************************
*****************************************************************************/


/***************************************************************
 *	tlan_timer
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		data	A value given to add timer when
 *			add_timer was called.
 *
 *	This function handles timed functionality for the
 *	TLAN driver.  The two current timer uses are for
 *	delaying for autonegotionation and driving the ACT LED.
 *	-	Autonegotiation requires being allowed about
 *		2 1/2 seconds before attempting to transmit a
 *		packet.  It would be a very bad thing to hang
 *		the kernel this long, so the driver doesn't
 *		allow transmission 'til after this time, for
 *		certain PHYs.  It would be much nicer if all
 *		PHYs were interrupt-capable like the internal
 *		PHY.
 *	-	The ACT LED, which shows adapter activity, is
 *		driven by the driver, and so must be left on
 *		for a short period to power up the LED so it
 *		can be seen.  This delay can be changed by
 *		changing the TLAN_TIMER_ACT_DELAY in tlan.h,
 *		if desired.  100 ms  produces a slightly
 *		sluggish response.
 *
 **************************************************************/

static void tlan_timer(unsigned long data)
{
	struct net_device	*dev = (struct net_device *) data;
	struct tlan_priv	*priv = netdev_priv(dev);
	u32		elapsed;
	unsigned long	flags = 0;

	priv->timer.function = NULL;

	switch (priv->timer_type) {
	case TLAN_TIMER_PHY_PDOWN:
		tlan_phy_power_down(dev);
		break;
	case TLAN_TIMER_PHY_PUP:
		tlan_phy_power_up(dev);
		break;
	case TLAN_TIMER_PHY_RESET:
		tlan_phy_reset(dev);
		break;
	case TLAN_TIMER_PHY_START_LINK:
		tlan_phy_start_link(dev);
		break;
	case TLAN_TIMER_PHY_FINISH_AN:
		tlan_phy_finish_auto_neg(dev);
		break;
	case TLAN_TIMER_FINISH_RESET:
		tlan_finish_reset(dev);
		break;
	case TLAN_TIMER_ACTIVITY:
		spin_lock_irqsave(&priv->lock, flags);
		if (priv->timer.function == NULL) {
			elapsed = jiffies - priv->timer_set_at;
			if (elapsed >= TLAN_TIMER_ACT_DELAY) {
				tlan_dio_write8(dev->base_addr,
						TLAN_LED_REG, TLAN_LED_LINK);
			} else  {
				priv->timer.function = tlan_timer;
				priv->timer.expires = priv->timer_set_at
					+ TLAN_TIMER_ACT_DELAY;
				spin_unlock_irqrestore(&priv->lock, flags);
				add_timer(&priv->timer);
				break;
			}
		}
		spin_unlock_irqrestore(&priv->lock, flags);
		break;
	default:
		break;
	}

}


/*****************************************************************************
******************************************************************************

ThunderLAN driver adapter related routines

******************************************************************************
*****************************************************************************/


/***************************************************************
 *	tlan_reset_lists
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		dev	The device structure with the list
 *			stuctures to be reset.
 *
 *	This routine sets the variables associated with managing
 *	the TLAN lists to their initial values.
 *
 **************************************************************/

static void tlan_reset_lists(struct net_device *dev)
{
	struct tlan_priv *priv = netdev_priv(dev);
	int		i;
	struct tlan_list	*list;
	dma_addr_t	list_phys;
	struct sk_buff	*skb;

	priv->tx_head = 0;
	priv->tx_tail = 0;
	for (i = 0; i < TLAN_NUM_TX_LISTS; i++) {
		list = priv->tx_list + i;
		list->c_stat = TLAN_CSTAT_UNUSED;
		list->buffer[0].address = 0;
		list->buffer[2].count = 0;
		list->buffer[2].address = 0;
		list->buffer[8].address = 0;
		list->buffer[9].address = 0;
	}

	priv->rx_head = 0;
	priv->rx_tail = TLAN_NUM_RX_LISTS - 1;
	for (i = 0; i < TLAN_NUM_RX_LISTS; i++) {
		list = priv->rx_list + i;
		list_phys = priv->rx_list_dma + sizeof(struct tlan_list)*i;
		list->c_stat = TLAN_CSTAT_READY;
		list->frame_size = TLAN_MAX_FRAME_SIZE;
		list->buffer[0].count = TLAN_MAX_FRAME_SIZE | TLAN_LAST_BUFFER;
		skb = netdev_alloc_skb_ip_align(dev, TLAN_MAX_FRAME_SIZE + 5);
		if (!skb)
			break;

		list->buffer[0].address = pci_map_single(priv->pci_dev,
							 skb->data,
							 TLAN_MAX_FRAME_SIZE,
							 PCI_DMA_FROMDEVICE);
		tlan_store_skb(list, skb);
		list->buffer[1].count = 0;
		list->buffer[1].address = 0;
		list->forward = list_phys + sizeof(struct tlan_list);
	}

	/* in case ran out of memory early, clear bits */
	while (i < TLAN_NUM_RX_LISTS) {
		tlan_store_skb(priv->rx_list + i, NULL);
		++i;
	}
	list->forward = 0;

}


static void tlan_free_lists(struct net_device *dev)
{
	struct tlan_priv *priv = netdev_priv(dev);
	int		i;
	struct tlan_list	*list;
	struct sk_buff	*skb;

	for (i = 0; i < TLAN_NUM_TX_LISTS; i++) {
		list = priv->tx_list + i;
		skb = tlan_get_skb(list);
		if (skb) {
			pci_unmap_single(
				priv->pci_dev,
				list->buffer[0].address,
				max(skb->len,
				    (unsigned int)TLAN_MIN_FRAME_SIZE),
				PCI_DMA_TODEVICE);
			dev_kfree_skb_any(skb);
			list->buffer[8].address = 0;
			list->buffer[9].address = 0;
		}
	}

	for (i = 0; i < TLAN_NUM_RX_LISTS; i++) {
		list = priv->rx_list + i;
		skb = tlan_get_skb(list);
		if (skb) {
			pci_unmap_single(priv->pci_dev,
					 list->buffer[0].address,
					 TLAN_MAX_FRAME_SIZE,
					 PCI_DMA_FROMDEVICE);
			dev_kfree_skb_any(skb);
			list->buffer[8].address = 0;
			list->buffer[9].address = 0;
		}
	}
}




/***************************************************************
 *	tlan_print_dio
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		io_base		Base IO port of the device of
 *				which to print DIO registers.
 *
 *	This function prints out all the internal (DIO)
 *	registers of a TLAN chip.
 *
 **************************************************************/

static void tlan_print_dio(u16 io_base)
{
	u32 data0, data1;
	int	i;

	pr_info("Contents of internal registers for io base 0x%04hx\n",
		io_base);
	pr_info("Off.  +0        +4\n");
	for (i = 0; i < 0x4C; i += 8) {
		data0 = tlan_dio_read32(io_base, i);
		data1 = tlan_dio_read32(io_base, i + 0x4);
		pr_info("0x%02x  0x%08x 0x%08x\n", i, data0, data1);
	}

}




/***************************************************************
 *	TLan_PrintList
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		list	A pointer to the struct tlan_list structure to
 *			be printed.
 *		type	A string to designate type of list,
 *			"Rx" or "Tx".
 *		num	The index of the list.
 *
 *	This function prints out the contents of the list
 *	pointed to by the list parameter.
 *
 **************************************************************/

static void tlan_print_list(struct tlan_list *list, char *type, int num)
{
	int i;

	pr_info("%s List %d at %p\n", type, num, list);
	pr_info("   Forward    = 0x%08x\n",  list->forward);
	pr_info("   CSTAT      = 0x%04hx\n", list->c_stat);
	pr_info("   Frame Size = 0x%04hx\n", list->frame_size);
	/* for (i = 0; i < 10; i++) { */
	for (i = 0; i < 2; i++) {
		pr_info("   Buffer[%d].count, addr = 0x%08x, 0x%08x\n",
			i, list->buffer[i].count, list->buffer[i].address);
	}

}




/***************************************************************
 *	tlan_read_and_clear_stats
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		dev	Pointer to device structure of adapter
 *			to which to read stats.
 *		record	Flag indicating whether to add
 *
 *	This functions reads all the internal status registers
 *	of the TLAN chip, which clears them as a side effect.
 *	It then either adds the values to the device's status
 *	struct, or discards them, depending on whether record
 *	is TLAN_RECORD (!=0)  or TLAN_IGNORE (==0).
 *
 **************************************************************/

static void tlan_read_and_clear_stats(struct net_device *dev, int record)
{
	u32		tx_good, tx_under;
	u32		rx_good, rx_over;
	u32		def_tx, crc, code;
	u32		multi_col, single_col;
	u32		excess_col, late_col, loss;

	outw(TLAN_GOOD_TX_FRMS, dev->base_addr + TLAN_DIO_ADR);
	tx_good  = inb(dev->base_addr + TLAN_DIO_DATA);
	tx_good += inb(dev->base_addr + TLAN_DIO_DATA + 1) << 8;
	tx_good += inb(dev->base_addr + TLAN_DIO_DATA + 2) << 16;
	tx_under = inb(dev->base_addr + TLAN_DIO_DATA + 3);

	outw(TLAN_GOOD_RX_FRMS, dev->base_addr + TLAN_DIO_ADR);
	rx_good  = inb(dev->base_addr + TLAN_DIO_DATA);
	rx_good += inb(dev->base_addr + TLAN_DIO_DATA + 1) << 8;
	rx_good += inb(dev->base_addr + TLAN_DIO_DATA + 2) << 16;
	rx_over  = inb(dev->base_addr + TLAN_DIO_DATA + 3);

	outw(TLAN_DEFERRED_TX, dev->base_addr + TLAN_DIO_ADR);
	def_tx  = inb(dev->base_addr + TLAN_DIO_DATA);
	def_tx += inb(dev->base_addr + TLAN_DIO_DATA + 1) << 8;
	crc     = inb(dev->base_addr + TLAN_DIO_DATA + 2);
	code    = inb(dev->base_addr + TLAN_DIO_DATA + 3);

	outw(TLAN_MULTICOL_FRMS, dev->base_addr + TLAN_DIO_ADR);
	multi_col   = inb(dev->base_addr + TLAN_DIO_DATA);
	multi_col  += inb(dev->base_addr + TLAN_DIO_DATA + 1) << 8;
	single_col  = inb(dev->base_addr + TLAN_DIO_DATA + 2);
	single_col += inb(dev->base_addr + TLAN_DIO_DATA + 3) << 8;

	outw(TLAN_EXCESSCOL_FRMS, dev->base_addr + TLAN_DIO_ADR);
	excess_col = inb(dev->base_addr + TLAN_DIO_DATA);
	late_col   = inb(dev->base_addr + TLAN_DIO_DATA + 1);
	loss       = inb(dev->base_addr + TLAN_DIO_DATA + 2);

	if (record) {
		dev->stats.rx_packets += rx_good;
		dev->stats.rx_errors  += rx_over + crc + code;
		dev->stats.tx_packets += tx_good;
		dev->stats.tx_errors  += tx_under + loss;
		dev->stats.collisions += multi_col
			+ single_col + excess_col + late_col;

		dev->stats.rx_over_errors    += rx_over;
		dev->stats.rx_crc_errors     += crc;
		dev->stats.rx_frame_errors   += code;

		dev->stats.tx_aborted_errors += tx_under;
		dev->stats.tx_carrier_errors += loss;
	}

}




/***************************************************************
 *	TLan_Reset
 *
 *	Returns:
 *		0
 *	Parms:
 *		dev	Pointer to device structure of adapter
 *			to be reset.
 *
 *	This function resets the adapter and it's physical
 *	device.  See Chap. 3, pp. 9-10 of the "ThunderLAN
 *	Programmer's Guide" for details.  The routine tries to
 *	implement what is detailed there, though adjustments
 *	have been made.
 *
 **************************************************************/

static void
tlan_reset_adapter(struct net_device *dev)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	int		i;
	u32		addr;
	u32		data;
	u8		data8;

	priv->tlan_full_duplex = false;
	priv->phy_online = 0;
	netif_carrier_off(dev);

/*  1.	Assert reset bit. */

	data = inl(dev->base_addr + TLAN_HOST_CMD);
	data |= TLAN_HC_AD_RST;
	outl(data, dev->base_addr + TLAN_HOST_CMD);

	udelay(1000);

/*  2.	Turn off interrupts. (Probably isn't necessary) */

	data = inl(dev->base_addr + TLAN_HOST_CMD);
	data |= TLAN_HC_INT_OFF;
	outl(data, dev->base_addr + TLAN_HOST_CMD);

/*  3.	Clear AREGs and HASHs. */

	for (i = TLAN_AREG_0; i <= TLAN_HASH_2; i += 4)
		tlan_dio_write32(dev->base_addr, (u16) i, 0);

/*  4.	Setup NetConfig register. */

	data = TLAN_NET_CFG_1FRAG | TLAN_NET_CFG_1CHAN | TLAN_NET_CFG_PHY_EN;
	tlan_dio_write16(dev->base_addr, TLAN_NET_CONFIG, (u16) data);

/*  5.	Load Ld_Tmr and Ld_Thr in HOST_CMD. */

	outl(TLAN_HC_LD_TMR | 0x3f, dev->base_addr + TLAN_HOST_CMD);
	outl(TLAN_HC_LD_THR | 0x9, dev->base_addr + TLAN_HOST_CMD);

/*  6.	Unreset the MII by setting NMRST (in NetSio) to 1. */

	outw(TLAN_NET_SIO, dev->base_addr + TLAN_DIO_ADR);
	addr = dev->base_addr + TLAN_DIO_DATA + TLAN_NET_SIO;
	tlan_set_bit(TLAN_NET_SIO_NMRST, addr);

/*  7.	Setup the remaining registers. */

	if (priv->tlan_rev >= 0x30) {
		data8 = TLAN_ID_TX_EOC | TLAN_ID_RX_EOC;
		tlan_dio_write8(dev->base_addr, TLAN_INT_DIS, data8);
	}
	tlan_phy_detect(dev);
	data = TLAN_NET_CFG_1FRAG | TLAN_NET_CFG_1CHAN;

	if (priv->adapter->flags & TLAN_ADAPTER_BIT_RATE_PHY) {
		data |= TLAN_NET_CFG_BIT;
		if (priv->aui == 1) {
			tlan_dio_write8(dev->base_addr, TLAN_ACOMMIT, 0x0a);
		} else if (priv->duplex == TLAN_DUPLEX_FULL) {
			tlan_dio_write8(dev->base_addr, TLAN_ACOMMIT, 0x00);
			priv->tlan_full_duplex = true;
		} else {
			tlan_dio_write8(dev->base_addr, TLAN_ACOMMIT, 0x08);
		}
	}

	/* don't power down internal PHY if we're going to use it */
	if (priv->phy_num == 0 ||
	   (priv->adapter->flags & TLAN_ADAPTER_USE_INTERN_10))
		data |= TLAN_NET_CFG_PHY_EN;
	tlan_dio_write16(dev->base_addr, TLAN_NET_CONFIG, (u16) data);

	if (priv->adapter->flags & TLAN_ADAPTER_UNMANAGED_PHY)
		tlan_finish_reset(dev);
	else
		tlan_phy_power_down(dev);

}




static void
tlan_finish_reset(struct net_device *dev)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	u8		data;
	u32		phy;
	u8		sio;
	u16		status;
	u16		partner;
	u16		tlphy_ctl;
	u16		tlphy_par;
	u16		tlphy_id1, tlphy_id2;
	int		i;

	phy = priv->phy[priv->phy_num];

	data = TLAN_NET_CMD_NRESET | TLAN_NET_CMD_NWRAP;
	if (priv->tlan_full_duplex)
		data |= TLAN_NET_CMD_DUPLEX;
	tlan_dio_write8(dev->base_addr, TLAN_NET_CMD, data);
	data = TLAN_NET_MASK_MASK4 | TLAN_NET_MASK_MASK5;
	if (priv->phy_num == 0)
		data |= TLAN_NET_MASK_MASK7;
	tlan_dio_write8(dev->base_addr, TLAN_NET_MASK, data);
	tlan_dio_write16(dev->base_addr, TLAN_MAX_RX, ((1536)+7)&~7);
	tlan_mii_read_reg(dev, phy, MII_GEN_ID_HI, &tlphy_id1);
	tlan_mii_read_reg(dev, phy, MII_GEN_ID_LO, &tlphy_id2);

	if ((priv->adapter->flags & TLAN_ADAPTER_UNMANAGED_PHY) ||
	    (priv->aui)) {
		status = MII_GS_LINK;
		netdev_info(dev, "Link forced\n");
	} else {
		tlan_mii_read_reg(dev, phy, MII_GEN_STS, &status);
		udelay(1000);
		tlan_mii_read_reg(dev, phy, MII_GEN_STS, &status);
		if (status & MII_GS_LINK) {
			/* We only support link info on Nat.Sem. PHY's */
			if ((tlphy_id1 == NAT_SEM_ID1) &&
			    (tlphy_id2 == NAT_SEM_ID2)) {
				tlan_mii_read_reg(dev, phy, MII_AN_LPA,
					&partner);
				tlan_mii_read_reg(dev, phy, TLAN_TLPHY_PAR,
					&tlphy_par);

				netdev_info(dev,
					"Link active, %s %uMbps %s-Duplex\n",
					!(tlphy_par & TLAN_PHY_AN_EN_STAT)
					? "forced" : "Autonegotiation enabled,",
					tlphy_par & TLAN_PHY_SPEED_100
					? 100 : 10,
					tlphy_par & TLAN_PHY_DUPLEX_FULL
					? "Full" : "Half");

				if (tlphy_par & TLAN_PHY_AN_EN_STAT) {
					netdev_info(dev, "Partner capability:");
					for (i = 5; i < 10; i++)
						if (partner & (1 << i))
							pr_cont(" %s",
								media[i-5]);
					pr_cont("\n");
				}
			} else
				netdev_info(dev, "Link active\n");
			/* Enabling link beat monitoring */
			priv->media_timer.function = tlan_phy_monitor;
			priv->media_timer.data = (unsigned long) dev;
			priv->media_timer.expires = jiffies + HZ;
			add_timer(&priv->media_timer);
		}
	}

	if (priv->phy_num == 0) {
		tlan_mii_read_reg(dev, phy, TLAN_TLPHY_CTL, &tlphy_ctl);
		tlphy_ctl |= TLAN_TC_INTEN;
		tlan_mii_write_reg(dev, phy, TLAN_TLPHY_CTL, tlphy_ctl);
		sio = tlan_dio_read8(dev->base_addr, TLAN_NET_SIO);
		sio |= TLAN_NET_SIO_MINTEN;
		tlan_dio_write8(dev->base_addr, TLAN_NET_SIO, sio);
	}

	if (status & MII_GS_LINK) {
		tlan_set_mac(dev, 0, dev->dev_addr);
		priv->phy_online = 1;
		outb((TLAN_HC_INT_ON >> 8), dev->base_addr + TLAN_HOST_CMD + 1);
		if (debug >= 1 && debug != TLAN_DEBUG_PROBE)
			outb((TLAN_HC_REQ_INT >> 8),
			     dev->base_addr + TLAN_HOST_CMD + 1);
		outl(priv->rx_list_dma, dev->base_addr + TLAN_CH_PARM);
		outl(TLAN_HC_GO | TLAN_HC_RT, dev->base_addr + TLAN_HOST_CMD);
		tlan_dio_write8(dev->base_addr, TLAN_LED_REG, TLAN_LED_LINK);
		netif_carrier_on(dev);
	} else {
		netdev_info(dev, "Link inactive, will retry in 10 secs...\n");
		tlan_set_timer(dev, (10*HZ), TLAN_TIMER_FINISH_RESET);
		return;
	}
	tlan_set_multicast_list(dev);

}




/***************************************************************
 *	tlan_set_mac
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		dev	Pointer to device structure of adapter
 *			on which to change the AREG.
 *		areg	The AREG to set the address in (0 - 3).
 *		mac	A pointer to an array of chars.  Each
 *			element stores one byte of the address.
 *			IE, it isn't in ascii.
 *
 *	This function transfers a MAC address to one of the
 *	TLAN AREGs (address registers).  The TLAN chip locks
 *	the register on writing to offset 0 and unlocks the
 *	register after writing to offset 5.  If NULL is passed
 *	in mac, then the AREG is filled with 0's.
 *
 **************************************************************/

static void tlan_set_mac(struct net_device *dev, int areg, char *mac)
{
	int i;

	areg *= 6;

	if (mac != NULL) {
		for (i = 0; i < 6; i++)
			tlan_dio_write8(dev->base_addr,
					TLAN_AREG_0 + areg + i, mac[i]);
	} else {
		for (i = 0; i < 6; i++)
			tlan_dio_write8(dev->base_addr,
					TLAN_AREG_0 + areg + i, 0);
	}

}




/*****************************************************************************
******************************************************************************

ThunderLAN driver PHY layer routines

******************************************************************************
*****************************************************************************/



/*********************************************************************
 *	tlan_phy_print
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		dev	A pointer to the device structure of the
 *			TLAN device having the PHYs to be detailed.
 *
 *	This function prints the registers a PHY (aka transceiver).
 *
 ********************************************************************/

static void tlan_phy_print(struct net_device *dev)
{
	struct tlan_priv *priv = netdev_priv(dev);
	u16 i, data0, data1, data2, data3, phy;

	phy = priv->phy[priv->phy_num];

	if (priv->adapter->flags & TLAN_ADAPTER_UNMANAGED_PHY) {
		netdev_info(dev, "Unmanaged PHY\n");
	} else if (phy <= TLAN_PHY_MAX_ADDR) {
		netdev_info(dev, "PHY 0x%02x\n", phy);
		pr_info("   Off.  +0     +1     +2     +3\n");
		for (i = 0; i < 0x20; i += 4) {
			tlan_mii_read_reg(dev, phy, i, &data0);
			tlan_mii_read_reg(dev, phy, i + 1, &data1);
			tlan_mii_read_reg(dev, phy, i + 2, &data2);
			tlan_mii_read_reg(dev, phy, i + 3, &data3);
			pr_info("   0x%02x 0x%04hx 0x%04hx 0x%04hx 0x%04hx\n",
				i, data0, data1, data2, data3);
		}
	} else {
		netdev_info(dev, "Invalid PHY\n");
	}

}




/*********************************************************************
 *	tlan_phy_detect
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		dev	A pointer to the device structure of the adapter
 *			for which the PHY needs determined.
 *
 *	So far I've found that adapters which have external PHYs
 *	may also use the internal PHY for part of the functionality.
 *	(eg, AUI/Thinnet).  This function finds out if this TLAN
 *	chip has an internal PHY, and then finds the first external
 *	PHY (starting from address 0) if it exists).
 *
 ********************************************************************/

static void tlan_phy_detect(struct net_device *dev)
{
	struct tlan_priv *priv = netdev_priv(dev);
	u16		control;
	u16		hi;
	u16		lo;
	u32		phy;

	if (priv->adapter->flags & TLAN_ADAPTER_UNMANAGED_PHY) {
		priv->phy_num = 0xffff;
		return;
	}

	tlan_mii_read_reg(dev, TLAN_PHY_MAX_ADDR, MII_GEN_ID_HI, &hi);

	if (hi != 0xffff)
		priv->phy[0] = TLAN_PHY_MAX_ADDR;
	else
		priv->phy[0] = TLAN_PHY_NONE;

	priv->phy[1] = TLAN_PHY_NONE;
	for (phy = 0; phy <= TLAN_PHY_MAX_ADDR; phy++) {
		tlan_mii_read_reg(dev, phy, MII_GEN_CTL, &control);
		tlan_mii_read_reg(dev, phy, MII_GEN_ID_HI, &hi);
		tlan_mii_read_reg(dev, phy, MII_GEN_ID_LO, &lo);
		if ((control != 0xffff) ||
		    (hi != 0xffff) || (lo != 0xffff)) {
			TLAN_DBG(TLAN_DEBUG_GNRL,
				 "PHY found at %02x %04x %04x %04x\n",
				 phy, control, hi, lo);
			if ((priv->phy[1] == TLAN_PHY_NONE) &&
			    (phy != TLAN_PHY_MAX_ADDR)) {
				priv->phy[1] = phy;
			}
		}
	}

	if (priv->phy[1] != TLAN_PHY_NONE)
		priv->phy_num = 1;
	else if (priv->phy[0] != TLAN_PHY_NONE)
		priv->phy_num = 0;
	else
		netdev_info(dev, "Cannot initialize device, no PHY was found!\n");

}




static void tlan_phy_power_down(struct net_device *dev)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	u16		value;

	TLAN_DBG(TLAN_DEBUG_GNRL, "%s: Powering down PHY(s).\n", dev->name);
	value = MII_GC_PDOWN | MII_GC_LOOPBK | MII_GC_ISOLATE;
	tlan_mii_sync(dev->base_addr);
	tlan_mii_write_reg(dev, priv->phy[priv->phy_num], MII_GEN_CTL, value);
	if ((priv->phy_num == 0) && (priv->phy[1] != TLAN_PHY_NONE)) {
		/* if using internal PHY, the external PHY must be powered on */
		if (priv->adapter->flags & TLAN_ADAPTER_USE_INTERN_10)
			value = MII_GC_ISOLATE; /* just isolate it from MII */
		tlan_mii_sync(dev->base_addr);
		tlan_mii_write_reg(dev, priv->phy[1], MII_GEN_CTL, value);
	}

	/* Wait for 50 ms and powerup
	 * This is abitrary.  It is intended to make sure the
	 * transceiver settles.
	 */
	tlan_set_timer(dev, msecs_to_jiffies(50), TLAN_TIMER_PHY_PUP);

}




static void tlan_phy_power_up(struct net_device *dev)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	u16		value;

	TLAN_DBG(TLAN_DEBUG_GNRL, "%s: Powering up PHY.\n", dev->name);
	tlan_mii_sync(dev->base_addr);
	value = MII_GC_LOOPBK;
	tlan_mii_write_reg(dev, priv->phy[priv->phy_num], MII_GEN_CTL, value);
	tlan_mii_sync(dev->base_addr);
	/* Wait for 500 ms and reset the
	 * transceiver.  The TLAN docs say both 50 ms and
	 * 500 ms, so do the longer, just in case.
	 */
	tlan_set_timer(dev, msecs_to_jiffies(500), TLAN_TIMER_PHY_RESET);

}




static void tlan_phy_reset(struct net_device *dev)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	u16		phy;
	u16		value;
	unsigned long timeout = jiffies + HZ;

	phy = priv->phy[priv->phy_num];

	TLAN_DBG(TLAN_DEBUG_GNRL, "%s: Resetting PHY.\n", dev->name);
	tlan_mii_sync(dev->base_addr);
	value = MII_GC_LOOPBK | MII_GC_RESET;
	tlan_mii_write_reg(dev, phy, MII_GEN_CTL, value);
	do {
		tlan_mii_read_reg(dev, phy, MII_GEN_CTL, &value);
		if (time_after(jiffies, timeout)) {
			netdev_err(dev, "PHY reset timeout\n");
			return;
		}
	} while (value & MII_GC_RESET);

	/* Wait for 500 ms and initialize.
	 * I don't remember why I wait this long.
	 * I've changed this to 50ms, as it seems long enough.
	 */
	tlan_set_timer(dev, msecs_to_jiffies(50), TLAN_TIMER_PHY_START_LINK);

}




static void tlan_phy_start_link(struct net_device *dev)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	u16		ability;
	u16		control;
	u16		data;
	u16		phy;
	u16		status;
	u16		tctl;

	phy = priv->phy[priv->phy_num];
	TLAN_DBG(TLAN_DEBUG_GNRL, "%s: Trying to activate link.\n", dev->name);
	tlan_mii_read_reg(dev, phy, MII_GEN_STS, &status);
	tlan_mii_read_reg(dev, phy, MII_GEN_STS, &ability);

	if ((status & MII_GS_AUTONEG) &&
	    (!priv->aui)) {
		ability = status >> 11;
		if (priv->speed  == TLAN_SPEED_10 &&
		    priv->duplex == TLAN_DUPLEX_HALF) {
			tlan_mii_write_reg(dev, phy, MII_GEN_CTL, 0x0000);
		} else if (priv->speed == TLAN_SPEED_10 &&
			   priv->duplex == TLAN_DUPLEX_FULL) {
			priv->tlan_full_duplex = true;
			tlan_mii_write_reg(dev, phy, MII_GEN_CTL, 0x0100);
		} else if (priv->speed == TLAN_SPEED_100 &&
			   priv->duplex == TLAN_DUPLEX_HALF) {
			tlan_mii_write_reg(dev, phy, MII_GEN_CTL, 0x2000);
		} else if (priv->speed == TLAN_SPEED_100 &&
			   priv->duplex == TLAN_DUPLEX_FULL) {
			priv->tlan_full_duplex = true;
			tlan_mii_write_reg(dev, phy, MII_GEN_CTL, 0x2100);
		} else {

			/* Set Auto-Neg advertisement */
			tlan_mii_write_reg(dev, phy, MII_AN_ADV,
					   (ability << 5) | 1);
			/* Enablee Auto-Neg */
			tlan_mii_write_reg(dev, phy, MII_GEN_CTL, 0x1000);
			/* Restart Auto-Neg */
			tlan_mii_write_reg(dev, phy, MII_GEN_CTL, 0x1200);
			/* Wait for 4 sec for autonegotiation
			 * to complete.  The max spec time is less than this
			 * but the card need additional time to start AN.
			 * .5 sec should be plenty extra.
			 */
			netdev_info(dev, "Starting autonegotiation\n");
			tlan_set_timer(dev, (2*HZ), TLAN_TIMER_PHY_FINISH_AN);
			return;
		}

	}

	if ((priv->aui) && (priv->phy_num != 0)) {
		priv->phy_num = 0;
		data = TLAN_NET_CFG_1FRAG | TLAN_NET_CFG_1CHAN
			| TLAN_NET_CFG_PHY_EN;
		tlan_dio_write16(dev->base_addr, TLAN_NET_CONFIG, data);
		tlan_set_timer(dev, msecs_to_jiffies(40), TLAN_TIMER_PHY_PDOWN);
		return;
	} else if (priv->phy_num == 0) {
		control = 0;
		tlan_mii_read_reg(dev, phy, TLAN_TLPHY_CTL, &tctl);
		if (priv->aui) {
			tctl |= TLAN_TC_AUISEL;
		} else {
			tctl &= ~TLAN_TC_AUISEL;
			if (priv->duplex == TLAN_DUPLEX_FULL) {
				control |= MII_GC_DUPLEX;
				priv->tlan_full_duplex = true;
			}
			if (priv->speed == TLAN_SPEED_100)
				control |= MII_GC_SPEEDSEL;
		}
		tlan_mii_write_reg(dev, phy, MII_GEN_CTL, control);
		tlan_mii_write_reg(dev, phy, TLAN_TLPHY_CTL, tctl);
	}

	/* Wait for 2 sec to give the transceiver time
	 * to establish link.
	 */
	tlan_set_timer(dev, (4*HZ), TLAN_TIMER_FINISH_RESET);

}




static void tlan_phy_finish_auto_neg(struct net_device *dev)
{
	struct tlan_priv	*priv = netdev_priv(dev);
	u16		an_adv;
	u16		an_lpa;
	u16		mode;
	u16		phy;
	u16		status;

	phy = priv->phy[priv->phy_num];

	tlan_mii_read_reg(dev, phy, MII_GEN_STS, &status);
	udelay(1000);
	tlan_mii_read_reg(dev, phy, MII_GEN_STS, &status);

	if (!(status & MII_GS_AUTOCMPLT)) {
		/* Wait for 8 sec to give the process
		 * more time.  Perhaps we should fail after a while.
		 */
		tlan_set_timer(dev, 2 * HZ, TLAN_TIMER_PHY_FINISH_AN);
		return;
	}

	netdev_info(dev, "Autonegotiation complete\n");
	tlan_mii_read_reg(dev, phy, MII_AN_ADV, &an_adv);
	tlan_mii_read_reg(dev, phy, MII_AN_LPA, &an_lpa);
	mode = an_adv & an_lpa & 0x03E0;
	if (mode & 0x0100)
		priv->tlan_full_duplex = true;
	else if (!(mode & 0x0080) && (mode & 0x0040))
		priv->tlan_full_duplex = true;

	/* switch to internal PHY for 10 Mbps */
	if ((!(mode & 0x0180)) &&
	    (priv->adapter->flags & TLAN_ADAPTER_USE_INTERN_10) &&
	    (priv->phy_num != 0)) {
		priv->phy_num = 0;
		tlan_set_timer(dev, msecs_to_jiffies(400), TLAN_TIMER_PHY_PDOWN);
		return;
	}

	if (priv->phy_num == 0) {
		if ((priv->duplex == TLAN_DUPLEX_FULL) ||
		    (an_adv & an_lpa & 0x0040)) {
			tlan_mii_write_reg(dev, phy, MII_GEN_CTL,
					   MII_GC_AUTOENB | MII_GC_DUPLEX);
			netdev_info(dev, "Starting internal PHY with FULL-DUPLEX\n");
		} else {
			tlan_mii_write_reg(dev, phy, MII_GEN_CTL,
					   MII_GC_AUTOENB);
			netdev_info(dev, "Starting internal PHY with HALF-DUPLEX\n");
		}
	}

	/* Wait for 100 ms.  No reason in partiticular.
	 */
	tlan_set_timer(dev, msecs_to_jiffies(100), TLAN_TIMER_FINISH_RESET);

}


/*********************************************************************
 *
 *     tlan_phy_monitor
 *
 *     Returns:
 *	      None
 *
 *     Params:
 *	      data	     The device structure of this device.
 *
 *
 *     This function monitors PHY condition by reading the status
 *     register via the MII bus, controls LINK LED and notifies the
 *     kernel about link state.
 *
 *******************************************************************/

static void tlan_phy_monitor(unsigned long data)
{
	struct net_device *dev = (struct net_device *) data;
	struct tlan_priv *priv = netdev_priv(dev);
	u16     phy;
	u16     phy_status;

	phy = priv->phy[priv->phy_num];

	/* Get PHY status register */
	tlan_mii_read_reg(dev, phy, MII_GEN_STS, &phy_status);

	/* Check if link has been lost */
	if (!(phy_status & MII_GS_LINK)) {
		if (netif_carrier_ok(dev)) {
			printk(KERN_DEBUG "TLAN: %s has lost link\n",
			       dev->name);
			tlan_dio_write8(dev->base_addr, TLAN_LED_REG, 0);
			netif_carrier_off(dev);
			if (priv->adapter->flags & TLAN_ADAPTER_USE_INTERN_10) {
				/* power down internal PHY */
				u16 data = MII_GC_PDOWN | MII_GC_LOOPBK |
					   MII_GC_ISOLATE;

				tlan_mii_sync(dev->base_addr);
				tlan_mii_write_reg(dev, priv->phy[0],
						   MII_GEN_CTL, data);
				/* set to external PHY */
				priv->phy_num = 1;
				/* restart autonegotiation */
				tlan_set_timer(dev, msecs_to_jiffies(400),
					       TLAN_TIMER_PHY_PDOWN);
				return;
			}
		}
	}

	/* Link restablished? */
	if ((phy_status & MII_GS_LINK) && !netif_carrier_ok(dev)) {
		tlan_dio_write8(dev->base_addr, TLAN_LED_REG, TLAN_LED_LINK);
		printk(KERN_DEBUG "TLAN: %s has reestablished link\n",
		       dev->name);
		netif_carrier_on(dev);
	}
	priv->media_timer.expires = jiffies + HZ;
	add_timer(&priv->media_timer);
}


/*****************************************************************************
******************************************************************************

ThunderLAN driver MII routines

these routines are based on the information in chap. 2 of the
"ThunderLAN Programmer's Guide", pp. 15-24.

******************************************************************************
*****************************************************************************/


/***************************************************************
 *	tlan_mii_read_reg
 *
 *	Returns:
 *		false	if ack received ok
 *		true	if no ack received or other error
 *
 *	Parms:
 *		dev		The device structure containing
 *				The io address and interrupt count
 *				for this device.
 *		phy		The address of the PHY to be queried.
 *		reg		The register whose contents are to be
 *				retrieved.
 *		val		A pointer to a variable to store the
 *				retrieved value.
 *
 *	This function uses the TLAN's MII bus to retrieve the contents
 *	of a given register on a PHY.  It sends the appropriate info
 *	and then reads the 16-bit register value from the MII bus via
 *	the TLAN SIO register.
 *
 **************************************************************/

static bool
tlan_mii_read_reg(struct net_device *dev, u16 phy, u16 reg, u16 *val)
{
	u8	nack;
	u16	sio, tmp;
	u32	i;
	bool	err;
	int	minten;
	struct tlan_priv *priv = netdev_priv(dev);
	unsigned long flags = 0;

	err = false;
	outw(TLAN_NET_SIO, dev->base_addr + TLAN_DIO_ADR);
	sio = dev->base_addr + TLAN_DIO_DATA + TLAN_NET_SIO;

	if (!in_irq())
		spin_lock_irqsave(&priv->lock, flags);

	tlan_mii_sync(dev->base_addr);

	minten = tlan_get_bit(TLAN_NET_SIO_MINTEN, sio);
	if (minten)
		tlan_clear_bit(TLAN_NET_SIO_MINTEN, sio);

	tlan_mii_send_data(dev->base_addr, 0x1, 2);	/* start (01b) */
	tlan_mii_send_data(dev->base_addr, 0x2, 2);	/* read  (10b) */
	tlan_mii_send_data(dev->base_addr, phy, 5);	/* device #      */
	tlan_mii_send_data(dev->base_addr, reg, 5);	/* register #    */


	tlan_clear_bit(TLAN_NET_SIO_MTXEN, sio);	/* change direction */

	tlan_clear_bit(TLAN_NET_SIO_MCLK, sio);		/* clock idle bit */
	tlan_set_bit(TLAN_NET_SIO_MCLK, sio);
	tlan_clear_bit(TLAN_NET_SIO_MCLK, sio);		/* wait 300ns */

	nack = tlan_get_bit(TLAN_NET_SIO_MDATA, sio);	/* check for ACK */
	tlan_set_bit(TLAN_NET_SIO_MCLK, sio);		/* finish ACK */
	if (nack) {					/* no ACK, so fake it */
		for (i = 0; i < 16; i++) {
			tlan_clear_bit(TLAN_NET_SIO_MCLK, sio);
			tlan_set_bit(TLAN_NET_SIO_MCLK, sio);
		}
		tmp = 0xffff;
		err = true;
	} else {					/* ACK, so read data */
		for (tmp = 0, i = 0x8000; i; i >>= 1) {
			tlan_clear_bit(TLAN_NET_SIO_MCLK, sio);
			if (tlan_get_bit(TLAN_NET_SIO_MDATA, sio))
				tmp |= i;
			tlan_set_bit(TLAN_NET_SIO_MCLK, sio);
		}
	}


	tlan_clear_bit(TLAN_NET_SIO_MCLK, sio);		/* idle cycle */
	tlan_set_bit(TLAN_NET_SIO_MCLK, sio);

	if (minten)
		tlan_set_bit(TLAN_NET_SIO_MINTEN, sio);

	*val = tmp;

	if (!in_irq())
		spin_unlock_irqrestore(&priv->lock, flags);

	return err;

}




/***************************************************************
 *	tlan_mii_send_data
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		base_port	The base IO port of the adapter	in
 *				question.
 *		dev		The address of the PHY to be queried.
 *		data		The value to be placed on the MII bus.
 *		num_bits	The number of bits in data that are to
 *				be placed on the MII bus.
 *
 *	This function sends on sequence of bits on the MII
 *	configuration bus.
 *
 **************************************************************/

static void tlan_mii_send_data(u16 base_port, u32 data, unsigned num_bits)
{
	u16 sio;
	u32 i;

	if (num_bits == 0)
		return;

	outw(TLAN_NET_SIO, base_port + TLAN_DIO_ADR);
	sio = base_port + TLAN_DIO_DATA + TLAN_NET_SIO;
	tlan_set_bit(TLAN_NET_SIO_MTXEN, sio);

	for (i = (0x1 << (num_bits - 1)); i; i >>= 1) {
		tlan_clear_bit(TLAN_NET_SIO_MCLK, sio);
		(void) tlan_get_bit(TLAN_NET_SIO_MCLK, sio);
		if (data & i)
			tlan_set_bit(TLAN_NET_SIO_MDATA, sio);
		else
			tlan_clear_bit(TLAN_NET_SIO_MDATA, sio);
		tlan_set_bit(TLAN_NET_SIO_MCLK, sio);
		(void) tlan_get_bit(TLAN_NET_SIO_MCLK, sio);
	}

}




/***************************************************************
 *	TLan_MiiSync
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		base_port	The base IO port of the adapter in
 *				question.
 *
 *	This functions syncs all PHYs in terms of the MII configuration
 *	bus.
 *
 **************************************************************/

static void tlan_mii_sync(u16 base_port)
{
	int i;
	u16 sio;

	outw(TLAN_NET_SIO, base_port + TLAN_DIO_ADR);
	sio = base_port + TLAN_DIO_DATA + TLAN_NET_SIO;

	tlan_clear_bit(TLAN_NET_SIO_MTXEN, sio);
	for (i = 0; i < 32; i++) {
		tlan_clear_bit(TLAN_NET_SIO_MCLK, sio);
		tlan_set_bit(TLAN_NET_SIO_MCLK, sio);
	}

}




/***************************************************************
 *	tlan_mii_write_reg
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		dev		The device structure for the device
 *				to write to.
 *		phy		The address of the PHY to be written to.
 *		reg		The register whose contents are to be
 *				written.
 *		val		The value to be written to the register.
 *
 *	This function uses the TLAN's MII bus to write the contents of a
 *	given register on a PHY.  It sends the appropriate info and then
 *	writes the 16-bit register value from the MII configuration bus
 *	via the TLAN SIO register.
 *
 **************************************************************/

static void
tlan_mii_write_reg(struct net_device *dev, u16 phy, u16 reg, u16 val)
{
	u16	sio;
	int	minten;
	unsigned long flags = 0;
	struct tlan_priv *priv = netdev_priv(dev);

	outw(TLAN_NET_SIO, dev->base_addr + TLAN_DIO_ADR);
	sio = dev->base_addr + TLAN_DIO_DATA + TLAN_NET_SIO;

	if (!in_irq())
		spin_lock_irqsave(&priv->lock, flags);

	tlan_mii_sync(dev->base_addr);

	minten = tlan_get_bit(TLAN_NET_SIO_MINTEN, sio);
	if (minten)
		tlan_clear_bit(TLAN_NET_SIO_MINTEN, sio);

	tlan_mii_send_data(dev->base_addr, 0x1, 2);	/* start (01b) */
	tlan_mii_send_data(dev->base_addr, 0x1, 2);	/* write (01b) */
	tlan_mii_send_data(dev->base_addr, phy, 5);	/* device #      */
	tlan_mii_send_data(dev->base_addr, reg, 5);	/* register #    */

	tlan_mii_send_data(dev->base_addr, 0x2, 2);	/* send ACK */
	tlan_mii_send_data(dev->base_addr, val, 16);	/* send data */

	tlan_clear_bit(TLAN_NET_SIO_MCLK, sio);	/* idle cycle */
	tlan_set_bit(TLAN_NET_SIO_MCLK, sio);

	if (minten)
		tlan_set_bit(TLAN_NET_SIO_MINTEN, sio);

	if (!in_irq())
		spin_unlock_irqrestore(&priv->lock, flags);

}




/*****************************************************************************
******************************************************************************

ThunderLAN driver eeprom routines

the Compaq netelligent 10 and 10/100 cards use a microchip 24C02A
EEPROM.  these functions are based on information in microchip's
data sheet.  I don't know how well this functions will work with
other Eeproms.

******************************************************************************
*****************************************************************************/


/***************************************************************
 *	tlan_ee_send_start
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		io_base		The IO port base address for the
 *				TLAN device with the EEPROM to
 *				use.
 *
 *	This function sends a start cycle to an EEPROM attached
 *	to a TLAN chip.
 *
 **************************************************************/

static void tlan_ee_send_start(u16 io_base)
{
	u16	sio;

	outw(TLAN_NET_SIO, io_base + TLAN_DIO_ADR);
	sio = io_base + TLAN_DIO_DATA + TLAN_NET_SIO;

	tlan_set_bit(TLAN_NET_SIO_ECLOK, sio);
	tlan_set_bit(TLAN_NET_SIO_EDATA, sio);
	tlan_set_bit(TLAN_NET_SIO_ETXEN, sio);
	tlan_clear_bit(TLAN_NET_SIO_EDATA, sio);
	tlan_clear_bit(TLAN_NET_SIO_ECLOK, sio);

}




/***************************************************************
 *	tlan_ee_send_byte
 *
 *	Returns:
 *		If the correct ack was received, 0, otherwise 1
 *	Parms:	io_base		The IO port base address for the
 *				TLAN device with the EEPROM to
 *				use.
 *		data		The 8 bits of information to
 *				send to the EEPROM.
 *		stop		If TLAN_EEPROM_STOP is passed, a
 *				stop cycle is sent after the
 *				byte is sent after the ack is
 *				read.
 *
 *	This function sends a byte on the serial EEPROM line,
 *	driving the clock to send each bit. The function then
 *	reverses transmission direction and reads an acknowledge
 *	bit.
 *
 **************************************************************/

static int tlan_ee_send_byte(u16 io_base, u8 data, int stop)
{
	int	err;
	u8	place;
	u16	sio;

	outw(TLAN_NET_SIO, io_base + TLAN_DIO_ADR);
	sio = io_base + TLAN_DIO_DATA + TLAN_NET_SIO;

	/* Assume clock is low, tx is enabled; */
	for (place = 0x80; place != 0; place >>= 1) {
		if (place & data)
			tlan_set_bit(TLAN_NET_SIO_EDATA, sio);
		else
			tlan_clear_bit(TLAN_NET_SIO_EDATA, sio);
		tlan_set_bit(TLAN_NET_SIO_ECLOK, sio);
		tlan_clear_bit(TLAN_NET_SIO_ECLOK, sio);
	}
	tlan_clear_bit(TLAN_NET_SIO_ETXEN, sio);
	tlan_set_bit(TLAN_NET_SIO_ECLOK, sio);
	err = tlan_get_bit(TLAN_NET_SIO_EDATA, sio);
	tlan_clear_bit(TLAN_NET_SIO_ECLOK, sio);
	tlan_set_bit(TLAN_NET_SIO_ETXEN, sio);

	if ((!err) && stop) {
		/* STOP, raise data while clock is high */
		tlan_clear_bit(TLAN_NET_SIO_EDATA, sio);
		tlan_set_bit(TLAN_NET_SIO_ECLOK, sio);
		tlan_set_bit(TLAN_NET_SIO_EDATA, sio);
	}

	return err;

}




/***************************************************************
 *	tlan_ee_receive_byte
 *
 *	Returns:
 *		Nothing
 *	Parms:
 *		io_base		The IO port base address for the
 *				TLAN device with the EEPROM to
 *				use.
 *		data		An address to a char to hold the
 *				data sent from the EEPROM.
 *		stop		If TLAN_EEPROM_STOP is passed, a
 *				stop cycle is sent after the
 *				byte is received, and no ack is
 *				sent.
 *
 *	This function receives 8 bits of data from the EEPROM
 *	over the serial link.  It then sends and ack bit, or no
 *	ack and a stop bit.  This function is used to retrieve
 *	data after the address of a byte in the EEPROM has been
 *	sent.
 *
 **************************************************************/

static void tlan_ee_receive_byte(u16 io_base, u8 *data, int stop)
{
	u8  place;
	u16 sio;

	outw(TLAN_NET_SIO, io_base + TLAN_DIO_ADR);
	sio = io_base + TLAN_DIO_DATA + TLAN_NET_SIO;
	*data = 0;

	/* Assume clock is low, tx is enabled; */
	tlan_clear_bit(TLAN_NET_SIO_ETXEN, sio);
	for (place = 0x80; place; place >>= 1) {
		tlan_set_bit(TLAN_NET_SIO_ECLOK, sio);
		if (tlan_get_bit(TLAN_NET_SIO_EDATA, sio))
			*data |= place;
		tlan_clear_bit(TLAN_NET_SIO_ECLOK, sio);
	}

	tlan_set_bit(TLAN_NET_SIO_ETXEN, sio);
	if (!stop) {
		tlan_clear_bit(TLAN_NET_SIO_EDATA, sio); /* ack = 0 */
		tlan_set_bit(TLAN_NET_SIO_ECLOK, sio);
		tlan_clear_bit(TLAN_NET_SIO_ECLOK, sio);
	} else {
		tlan_set_bit(TLAN_NET_SIO_EDATA, sio);	/* no ack = 1 (?) */
		tlan_set_bit(TLAN_NET_SIO_ECLOK, sio);
		tlan_clear_bit(TLAN_NET_SIO_ECLOK, sio);
		/* STOP, raise data while clock is high */
		tlan_clear_bit(TLAN_NET_SIO_EDATA, sio);
		tlan_set_bit(TLAN_NET_SIO_ECLOK, sio);
		tlan_set_bit(TLAN_NET_SIO_EDATA, sio);
	}

}




/***************************************************************
 *	tlan_ee_read_byte
 *
 *	Returns:
 *		No error = 0, else, the stage at which the error
 *		occurred.
 *	Parms:
 *		io_base		The IO port base address for the
 *				TLAN device with the EEPROM to
 *				use.
 *		ee_addr		The address of the byte in the
 *				EEPROM whose contents are to be
 *				retrieved.
 *		data		An address to a char to hold the
 *				data obtained from the EEPROM.
 *
 *	This function reads a byte of information from an byte
 *	cell in the EEPROM.
 *
 **************************************************************/

static int tlan_ee_read_byte(struct net_device *dev, u8 ee_addr, u8 *data)
{
	int err;
	struct tlan_priv *priv = netdev_priv(dev);
	unsigned long flags = 0;
	int ret = 0;

	spin_lock_irqsave(&priv->lock, flags);

	tlan_ee_send_start(dev->base_addr);
	err = tlan_ee_send_byte(dev->base_addr, 0xa0, TLAN_EEPROM_ACK);
	if (err) {
		ret = 1;
		goto fail;
	}
	err = tlan_ee_send_byte(dev->base_addr, ee_addr, TLAN_EEPROM_ACK);
	if (err) {
		ret = 2;
		goto fail;
	}
	tlan_ee_send_start(dev->base_addr);
	err = tlan_ee_send_byte(dev->base_addr, 0xa1, TLAN_EEPROM_ACK);
	if (err) {
		ret = 3;
		goto fail;
	}
	tlan_ee_receive_byte(dev->base_addr, data, TLAN_EEPROM_STOP);
fail:
	spin_unlock_irqrestore(&priv->lock, flags);

	return ret;

}