summaryrefslogtreecommitdiffstats
path: root/drivers/usb/storage/ene_ub6250.c
blob: b0a1687ca94263d99b1e1bc3c45874300dd67f3c (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
/*
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the
 * Free Software Foundation; either version 2, or (at your option) any
 * later version.
 *
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 675 Mass Ave, Cambridge, MA 02139, USA.
 */
#include <linux/jiffies.h>
#include <linux/errno.h>
#include <linux/module.h>
#include <linux/slab.h>

#include <scsi/scsi.h>
#include <scsi/scsi_cmnd.h>

#include <linux/firmware.h>

#include "usb.h"
#include "transport.h"
#include "protocol.h"
#include "debug.h"

MODULE_DESCRIPTION("Driver for ENE UB6250 reader");
MODULE_LICENSE("GPL");


/*
 * The table of devices
 */
#define UNUSUAL_DEV(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax, \
		    vendorName, productName, useProtocol, useTransport, \
		    initFunction, flags) \
{ USB_DEVICE_VER(id_vendor, id_product, bcdDeviceMin, bcdDeviceMax), \
	.driver_info = (flags)|(USB_US_TYPE_STOR<<24) }

struct usb_device_id ene_ub6250_usb_ids[] = {
#	include "unusual_ene_ub6250.h"
	{ }		/* Terminating entry */
};
MODULE_DEVICE_TABLE(usb, ene_ub6250_usb_ids);

#undef UNUSUAL_DEV

/*
 * The flags table
 */
#define UNUSUAL_DEV(idVendor, idProduct, bcdDeviceMin, bcdDeviceMax, \
		    vendor_name, product_name, use_protocol, use_transport, \
		    init_function, Flags) \
{ \
	.vendorName = vendor_name,	\
	.productName = product_name,	\
	.useProtocol = use_protocol,	\
	.useTransport = use_transport,	\
	.initFunction = init_function,	\
}

static struct us_unusual_dev ene_ub6250_unusual_dev_list[] = {
#	include "unusual_ene_ub6250.h"
	{ }		/* Terminating entry */
};

#undef UNUSUAL_DEV



/* ENE bin code len */
#define ENE_BIN_CODE_LEN    0x800
/* EnE HW Register */
#define REG_CARD_STATUS     0xFF83
#define REG_HW_TRAP1        0xFF89

/* SRB Status */
#define SS_SUCCESS                  0x00      /* No Sense */
#define SS_NOT_READY                0x02
#define SS_MEDIUM_ERR               0x03
#define SS_HW_ERR                   0x04
#define SS_ILLEGAL_REQUEST          0x05
#define SS_UNIT_ATTENTION           0x06

/* ENE Load FW Pattern */
#define SD_INIT1_PATTERN   1
#define SD_INIT2_PATTERN   2
#define SD_RW_PATTERN      3
#define MS_INIT_PATTERN    4
#define MSP_RW_PATTERN     5
#define MS_RW_PATTERN      6
#define SM_INIT_PATTERN    7
#define SM_RW_PATTERN      8

#define FDIR_WRITE         0
#define FDIR_READ          1

/* For MS Card */

/* Status Register 1 */
#define MS_REG_ST1_MB           0x80    /* media busy */
#define MS_REG_ST1_FB1          0x40    /* flush busy 1 */
#define MS_REG_ST1_DTER         0x20    /* error on data(corrected) */
#define MS_REG_ST1_UCDT         0x10    /* unable to correct data */
#define MS_REG_ST1_EXER         0x08    /* error on extra(corrected) */
#define MS_REG_ST1_UCEX         0x04    /* unable to correct extra */
#define MS_REG_ST1_FGER         0x02    /* error on overwrite flag(corrected) */
#define MS_REG_ST1_UCFG         0x01    /* unable to correct overwrite flag */
#define MS_REG_ST1_DEFAULT	(MS_REG_ST1_MB | MS_REG_ST1_FB1 | MS_REG_ST1_DTER | MS_REG_ST1_UCDT | MS_REG_ST1_EXER | MS_REG_ST1_UCEX | MS_REG_ST1_FGER | MS_REG_ST1_UCFG)

/* Overwrite Area */
#define MS_REG_OVR_BKST		0x80            /* block status */
#define MS_REG_OVR_BKST_OK	MS_REG_OVR_BKST     /* OK */
#define MS_REG_OVR_BKST_NG	0x00            /* NG */
#define MS_REG_OVR_PGST0	0x40            /* page status */
#define MS_REG_OVR_PGST1	0x20
#define MS_REG_OVR_PGST_MASK	(MS_REG_OVR_PGST0 | MS_REG_OVR_PGST1)
#define MS_REG_OVR_PGST_OK	(MS_REG_OVR_PGST0 | MS_REG_OVR_PGST1) /* OK */
#define MS_REG_OVR_PGST_NG	MS_REG_OVR_PGST1                      /* NG */
#define MS_REG_OVR_PGST_DATA_ERROR	0x00        /* data error */
#define MS_REG_OVR_UDST			0x10        /* update status */
#define MS_REG_OVR_UDST_UPDATING	0x00        /* updating */
#define MS_REG_OVR_UDST_NO_UPDATE	MS_REG_OVR_UDST
#define MS_REG_OVR_RESERVED	0x08
#define MS_REG_OVR_DEFAULT	(MS_REG_OVR_BKST_OK | MS_REG_OVR_PGST_OK | MS_REG_OVR_UDST_NO_UPDATE | MS_REG_OVR_RESERVED)

/* Management Flag */
#define MS_REG_MNG_SCMS0	0x20    /* serial copy management system */
#define MS_REG_MNG_SCMS1	0x10
#define MS_REG_MNG_SCMS_MASK		(MS_REG_MNG_SCMS0 | MS_REG_MNG_SCMS1)
#define MS_REG_MNG_SCMS_COPY_OK		(MS_REG_MNG_SCMS0 | MS_REG_MNG_SCMS1)
#define MS_REG_MNG_SCMS_ONE_COPY	MS_REG_MNG_SCMS1
#define MS_REG_MNG_SCMS_NO_COPY	0x00
#define MS_REG_MNG_ATFLG	0x08    /* address transfer table flag */
#define MS_REG_MNG_ATFLG_OTHER	MS_REG_MNG_ATFLG    /* other */
#define MS_REG_MNG_ATFLG_ATTBL	0x00	/* address transfer table */
#define MS_REG_MNG_SYSFLG	0x04	/* system flag */
#define MS_REG_MNG_SYSFLG_USER	MS_REG_MNG_SYSFLG   /* user block */
#define MS_REG_MNG_SYSFLG_BOOT	0x00	/* system block */
#define MS_REG_MNG_RESERVED	0xc3
#define MS_REG_MNG_DEFAULT	(MS_REG_MNG_SCMS_COPY_OK | MS_REG_MNG_ATFLG_OTHER | MS_REG_MNG_SYSFLG_USER | MS_REG_MNG_RESERVED)


#define MS_MAX_PAGES_PER_BLOCK		32
#define MS_MAX_INITIAL_ERROR_BLOCKS 	10
#define MS_LIB_BITS_PER_BYTE		8

#define MS_SYSINF_FORMAT_FAT		1
#define MS_SYSINF_USAGE_GENERAL		0

#define MS_SYSINF_MSCLASS_TYPE_1	1
#define MS_SYSINF_PAGE_SIZE		MS_BYTES_PER_PAGE /* fixed */

#define MS_SYSINF_CARDTYPE_RDONLY	1
#define MS_SYSINF_CARDTYPE_RDWR		2
#define MS_SYSINF_CARDTYPE_HYBRID	3
#define MS_SYSINF_SECURITY		0x01
#define MS_SYSINF_SECURITY_NO_SUPPORT	MS_SYSINF_SECURITY
#define MS_SYSINF_SECURITY_SUPPORT	0

#define MS_SYSINF_RESERVED1		1
#define MS_SYSINF_RESERVED2		1

#define MS_SYSENT_TYPE_INVALID_BLOCK	0x01
#define MS_SYSENT_TYPE_CIS_IDI		0x0a    /* CIS/IDI */

#define SIZE_OF_KIRO		1024
#define BYTE_MASK		0xff

/* ms error code */
#define MS_STATUS_WRITE_PROTECT	0x0106
#define MS_STATUS_SUCCESS	0x0000
#define MS_ERROR_FLASH_READ	0x8003
#define MS_ERROR_FLASH_ERASE	0x8005
#define MS_LB_ERROR		0xfff0
#define MS_LB_BOOT_BLOCK	0xfff1
#define MS_LB_INITIAL_ERROR	0xfff2
#define MS_STATUS_SUCCESS_WITH_ECC 0xfff3
#define MS_LB_ACQUIRED_ERROR	0xfff4
#define MS_LB_NOT_USED_ERASED	0xfff5
#define MS_NOCARD_ERROR		0xfff8
#define MS_NO_MEMORY_ERROR	0xfff9
#define MS_STATUS_INT_ERROR	0xfffa
#define MS_STATUS_ERROR		0xfffe
#define MS_LB_NOT_USED		0xffff

#define MS_REG_MNG_SYSFLG	0x04    /* system flag */
#define MS_REG_MNG_SYSFLG_USER	MS_REG_MNG_SYSFLG   /* user block */

#define MS_BOOT_BLOCK_ID                        0x0001
#define MS_BOOT_BLOCK_FORMAT_VERSION            0x0100
#define MS_BOOT_BLOCK_DATA_ENTRIES              2

#define MS_NUMBER_OF_SYSTEM_ENTRY       	4
#define MS_NUMBER_OF_BOOT_BLOCK			2
#define MS_BYTES_PER_PAGE			512
#define MS_LOGICAL_BLOCKS_PER_SEGMENT		496
#define MS_LOGICAL_BLOCKS_IN_1ST_SEGMENT        494

#define MS_PHYSICAL_BLOCKS_PER_SEGMENT		0x200 /* 512 */
#define MS_PHYSICAL_BLOCKS_PER_SEGMENT_MASK     0x1ff

/* overwrite area */
#define MS_REG_OVR_BKST		0x80		/* block status */
#define MS_REG_OVR_BKST_OK	MS_REG_OVR_BKST	/* OK */
#define MS_REG_OVR_BKST_NG	0x00            /* NG */

/* Status Register 1 */
#define MS_REG_ST1_DTER		0x20	/* error on data(corrected) */
#define MS_REG_ST1_EXER		0x08	/* error on extra(corrected) */
#define MS_REG_ST1_FGER		0x02	/* error on overwrite flag(corrected) */

/* MemoryStick Register */
/* Status Register 0 */
#define MS_REG_ST0_WP		0x01	/* write protected */
#define MS_REG_ST0_WP_ON	MS_REG_ST0_WP

#define MS_LIB_CTRL_RDONLY      0
#define MS_LIB_CTRL_WRPROTECT   1

/*dphy->log table */
#define ms_libconv_to_logical(pdx, PhyBlock) (((PhyBlock) >= (pdx)->MS_Lib.NumberOfPhyBlock) ? MS_STATUS_ERROR : (pdx)->MS_Lib.Phy2LogMap[PhyBlock])
#define ms_libconv_to_physical(pdx, LogBlock) (((LogBlock) >= (pdx)->MS_Lib.NumberOfLogBlock) ? MS_STATUS_ERROR : (pdx)->MS_Lib.Log2PhyMap[LogBlock])

#define ms_lib_ctrl_set(pdx, Flag)	((pdx)->MS_Lib.flags |= (1 << (Flag)))
#define ms_lib_ctrl_reset(pdx, Flag)	((pdx)->MS_Lib.flags &= ~(1 << (Flag)))
#define ms_lib_ctrl_check(pdx, Flag)	((pdx)->MS_Lib.flags & (1 << (Flag)))

#define ms_lib_iswritable(pdx) ((ms_lib_ctrl_check((pdx), MS_LIB_CTRL_RDONLY) == 0) && (ms_lib_ctrl_check(pdx, MS_LIB_CTRL_WRPROTECT) == 0))
#define ms_lib_clear_pagemap(pdx) memset((pdx)->MS_Lib.pagemap, 0, sizeof((pdx)->MS_Lib.pagemap))
#define memstick_logaddr(logadr1, logadr0) ((((u16)(logadr1)) << 8) | (logadr0))


struct SD_STATUS {
	u8    Insert:1;
	u8    Ready:1;
	u8    MediaChange:1;
	u8    IsMMC:1;
	u8    HiCapacity:1;
	u8    HiSpeed:1;
	u8    WtP:1;
	u8    Reserved:1;
};

struct MS_STATUS {
	u8    Insert:1;
	u8    Ready:1;
	u8    MediaChange:1;
	u8    IsMSPro:1;
	u8    IsMSPHG:1;
	u8    Reserved1:1;
	u8    WtP:1;
	u8    Reserved2:1;
};

struct SM_STATUS {
	u8    Insert:1;
	u8    Ready:1;
	u8    MediaChange:1;
	u8    Reserved:3;
	u8    WtP:1;
	u8    IsMS:1;
};

struct ms_bootblock_cis {
	u8 bCistplDEVICE[6];    /* 0 */
	u8 bCistplDEVICE0C[6];  /* 6 */
	u8 bCistplJEDECC[4];    /* 12 */
	u8 bCistplMANFID[6];    /* 16 */
	u8 bCistplVER1[32];     /* 22 */
	u8 bCistplFUNCID[4];    /* 54 */
	u8 bCistplFUNCE0[4];    /* 58 */
	u8 bCistplFUNCE1[5];    /* 62 */
	u8 bCistplCONF[7];      /* 67 */
	u8 bCistplCFTBLENT0[10];/* 74 */
	u8 bCistplCFTBLENT1[8]; /* 84 */
	u8 bCistplCFTBLENT2[12];/* 92 */
	u8 bCistplCFTBLENT3[8]; /* 104 */
	u8 bCistplCFTBLENT4[17];/* 112 */
	u8 bCistplCFTBLENT5[8]; /* 129 */
	u8 bCistplCFTBLENT6[17];/* 137 */
	u8 bCistplCFTBLENT7[8]; /* 154 */
	u8 bCistplNOLINK[3];    /* 162 */
} ;

struct ms_bootblock_idi {
#define MS_IDI_GENERAL_CONF 0x848A
	u16 wIDIgeneralConfiguration;	/* 0 */
	u16 wIDInumberOfCylinder;	/* 1 */
	u16 wIDIreserved0;		/* 2 */
	u16 wIDInumberOfHead;		/* 3 */
	u16 wIDIbytesPerTrack;		/* 4 */
	u16 wIDIbytesPerSector;		/* 5 */
	u16 wIDIsectorsPerTrack;	/* 6 */
	u16 wIDItotalSectors[2];	/* 7-8  high,low */
	u16 wIDIreserved1[11];		/* 9-19 */
	u16 wIDIbufferType;		/* 20 */
	u16 wIDIbufferSize;		/* 21 */
	u16 wIDIlongCmdECC;		/* 22 */
	u16 wIDIfirmVersion[4];		/* 23-26 */
	u16 wIDImodelName[20];		/* 27-46 */
	u16 wIDIreserved2;		/* 47 */
	u16 wIDIlongWordSupported;	/* 48 */
	u16 wIDIdmaSupported;		/* 49 */
	u16 wIDIreserved3;		/* 50 */
	u16 wIDIpioTiming;		/* 51 */
	u16 wIDIdmaTiming;		/* 52 */
	u16 wIDItransferParameter;	/* 53 */
	u16 wIDIformattedCylinder;	/* 54 */
	u16 wIDIformattedHead;		/* 55 */
	u16 wIDIformattedSectorsPerTrack;/* 56 */
	u16 wIDIformattedTotalSectors[2];/* 57-58 */
	u16 wIDImultiSector;		/* 59 */
	u16 wIDIlbaSectors[2];		/* 60-61 */
	u16 wIDIsingleWordDMA;		/* 62 */
	u16 wIDImultiWordDMA;		/* 63 */
	u16 wIDIreserved4[192];		/* 64-255 */
};

struct ms_bootblock_sysent_rec {
	u32 dwStart;
	u32 dwSize;
	u8 bType;
	u8 bReserved[3];
};

struct ms_bootblock_sysent {
	struct ms_bootblock_sysent_rec entry[MS_NUMBER_OF_SYSTEM_ENTRY];
};

struct ms_bootblock_sysinf {
	u8 bMsClass;			/* must be 1 */
	u8 bCardType;			/* see below */
	u16 wBlockSize;			/* n KB */
	u16 wBlockNumber;		/* number of physical block */
	u16 wTotalBlockNumber;		/* number of logical block */
	u16 wPageSize;			/* must be 0x200 */
	u8 bExtraSize;			/* 0x10 */
	u8 bSecuritySupport;
	u8 bAssemblyDate[8];
	u8 bFactoryArea[4];
	u8 bAssemblyMakerCode;
	u8 bAssemblyMachineCode[3];
	u16 wMemoryMakerCode;
	u16 wMemoryDeviceCode;
	u16 wMemorySize;
	u8 bReserved1;
	u8 bReserved2;
	u8 bVCC;
	u8 bVPP;
	u16 wControllerChipNumber;
	u16 wControllerFunction;	/* New MS */
	u8 bReserved3[9];		/* New MS */
	u8 bParallelSupport;		/* New MS */
	u16 wFormatValue;		/* New MS */
	u8 bFormatType;
	u8 bUsage;
	u8 bDeviceType;
	u8 bReserved4[22];
	u8 bFUValue3;
	u8 bFUValue4;
	u8 bReserved5[15];
};

struct ms_bootblock_header {
	u16 wBlockID;
	u16 wFormatVersion;
	u8 bReserved1[184];
	u8 bNumberOfDataEntry;
	u8 bReserved2[179];
};

struct ms_bootblock_page0 {
	struct ms_bootblock_header header;
	struct ms_bootblock_sysent sysent;
	struct ms_bootblock_sysinf sysinf;
};

struct ms_bootblock_cis_idi {
	union {
		struct ms_bootblock_cis cis;
		u8 dmy[256];
	} cis;

	union {
		struct ms_bootblock_idi idi;
		u8 dmy[256];
	} idi;

};

/* ENE MS Lib struct */
struct ms_lib_type_extdat {
	u8 reserved;
	u8 intr;
	u8 status0;
	u8 status1;
	u8 ovrflg;
	u8 mngflg;
	u16 logadr;
};

struct ms_lib_ctrl {
	u32 flags;
	u32 BytesPerSector;
	u32 NumberOfCylinder;
	u32 SectorsPerCylinder;
	u16 cardType;			/* R/W, RO, Hybrid */
	u16 blockSize;
	u16 PagesPerBlock;
	u16 NumberOfPhyBlock;
	u16 NumberOfLogBlock;
	u16 NumberOfSegment;
	u16 *Phy2LogMap;		/* phy2log table */
	u16 *Log2PhyMap;		/* log2phy table */
	u16 wrtblk;
	unsigned char *pagemap[(MS_MAX_PAGES_PER_BLOCK + (MS_LIB_BITS_PER_BYTE-1)) / MS_LIB_BITS_PER_BYTE];
	unsigned char *blkpag;
	struct ms_lib_type_extdat *blkext;
	unsigned char copybuf[512];
};


/* SD Block Length */
/* 2^9 = 512 Bytes, The HW maximum read/write data length */
#define SD_BLOCK_LEN  9

struct ene_ub6250_info {
	/* for 6250 code */
	struct SD_STATUS	SD_Status;
	struct MS_STATUS	MS_Status;
	struct SM_STATUS	SM_Status;

	/* ----- SD Control Data ---------------- */
	/*SD_REGISTER SD_Regs; */
	u16		SD_Block_Mult;
	u8		SD_READ_BL_LEN;
	u16		SD_C_SIZE;
	u8		SD_C_SIZE_MULT;

	/* SD/MMC New spec. */
	u8		SD_SPEC_VER;
	u8		SD_CSD_VER;
	u8		SD20_HIGH_CAPACITY;
	u32		HC_C_SIZE;
	u8		MMC_SPEC_VER;
	u8		MMC_BusWidth;
	u8		MMC_HIGH_CAPACITY;

	/*----- MS Control Data ---------------- */
	bool		MS_SWWP;
	u32		MSP_TotalBlock;
	struct ms_lib_ctrl MS_Lib;
	bool		MS_IsRWPage;
	u16		MS_Model;

	/*----- SM Control Data ---------------- */
	u8		SM_DeviceID;
	u8		SM_CardID;

	unsigned char	*testbuf;
	u8		BIN_FLAG;
	u32		bl_num;
	int		SrbStatus;

	/*------Power Managerment ---------------*/
	bool		Power_IsResum;
};

static int ene_sd_init(struct us_data *us);
static int ene_ms_init(struct us_data *us);
static int ene_load_bincode(struct us_data *us, unsigned char flag);

static void ene_ub6250_info_destructor(void *extra)
{
	if (!extra)
		return;
}

static int ene_send_scsi_cmd(struct us_data *us, u8 fDir, void *buf, int use_sg)
{
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	struct bulk_cs_wrap *bcs = (struct bulk_cs_wrap *) us->iobuf;

	int result;
	unsigned int residue;
	unsigned int cswlen = 0, partial = 0;
	unsigned int transfer_length = bcb->DataTransferLength;

	/* US_DEBUGP("transport --- ene_send_scsi_cmd\n"); */
	/* send cmd to out endpoint */
	result = usb_stor_bulk_transfer_buf(us, us->send_bulk_pipe,
					    bcb, US_BULK_CB_WRAP_LEN, NULL);
	if (result != USB_STOR_XFER_GOOD) {
		US_DEBUGP("send cmd to out endpoint fail ---\n");
		return USB_STOR_TRANSPORT_ERROR;
	}

	if (buf) {
		unsigned int pipe = fDir;

		if (fDir  == FDIR_READ)
			pipe = us->recv_bulk_pipe;
		else
			pipe = us->send_bulk_pipe;

		/* Bulk */
		if (use_sg) {
			result = usb_stor_bulk_srb(us, pipe, us->srb);
		} else {
			result = usb_stor_bulk_transfer_sg(us, pipe, buf,
						transfer_length, 0, &partial);
		}
		if (result != USB_STOR_XFER_GOOD) {
			US_DEBUGP("data transfer fail ---\n");
			return USB_STOR_TRANSPORT_ERROR;
		}
	}

	/* Get CSW for device status */
	result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe, bcs,
					    US_BULK_CS_WRAP_LEN, &cswlen);

	if (result == USB_STOR_XFER_SHORT && cswlen == 0) {
		US_DEBUGP("Received 0-length CSW; retrying...\n");
		result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
					    bcs, US_BULK_CS_WRAP_LEN, &cswlen);
	}

	if (result == USB_STOR_XFER_STALLED) {
		/* get the status again */
		US_DEBUGP("Attempting to get CSW (2nd try)...\n");
		result = usb_stor_bulk_transfer_buf(us, us->recv_bulk_pipe,
						bcs, US_BULK_CS_WRAP_LEN, NULL);
	}

	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	/* check bulk status */
	residue = le32_to_cpu(bcs->Residue);

	/* try to compute the actual residue, based on how much data
	 * was really transferred and what the device tells us */
	if (residue && !(us->fflags & US_FL_IGNORE_RESIDUE)) {
		residue = min(residue, transfer_length);
		if (us->srb != NULL)
			scsi_set_resid(us->srb, max(scsi_get_resid(us->srb),
								(int)residue));
	}

	if (bcs->Status != US_BULK_STAT_OK)
		return USB_STOR_TRANSPORT_ERROR;

	return USB_STOR_TRANSPORT_GOOD;
}

static int sd_scsi_test_unit_ready(struct us_data *us, struct scsi_cmnd *srb)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	if (info->SD_Status.Insert && info->SD_Status.Ready)
		return USB_STOR_TRANSPORT_GOOD;
	else {
		ene_sd_init(us);
		return USB_STOR_TRANSPORT_GOOD;
	}

	return USB_STOR_TRANSPORT_GOOD;
}

static int sd_scsi_inquiry(struct us_data *us, struct scsi_cmnd *srb)
{
	unsigned char data_ptr[36] = {
		0x00, 0x80, 0x02, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x55,
		0x53, 0x42, 0x32, 0x2E, 0x30, 0x20, 0x20, 0x43, 0x61,
		0x72, 0x64, 0x52, 0x65, 0x61, 0x64, 0x65, 0x72, 0x20,
		0x20, 0x20, 0x20, 0x20, 0x20, 0x30, 0x31, 0x30, 0x30 };

	usb_stor_set_xfer_buf(data_ptr, 36, srb);
	return USB_STOR_TRANSPORT_GOOD;
}

static int sd_scsi_mode_sense(struct us_data *us, struct scsi_cmnd *srb)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
	unsigned char mediaNoWP[12] = {
		0x0b, 0x00, 0x00, 0x08, 0x00, 0x00,
		0x71, 0xc0, 0x00, 0x00, 0x02, 0x00 };
	unsigned char mediaWP[12]   = {
		0x0b, 0x00, 0x80, 0x08, 0x00, 0x00,
		0x71, 0xc0, 0x00, 0x00, 0x02, 0x00 };

	if (info->SD_Status.WtP)
		usb_stor_set_xfer_buf(mediaWP, 12, srb);
	else
		usb_stor_set_xfer_buf(mediaNoWP, 12, srb);


	return USB_STOR_TRANSPORT_GOOD;
}

static int sd_scsi_read_capacity(struct us_data *us, struct scsi_cmnd *srb)
{
	u32   bl_num;
	u16    bl_len;
	unsigned int offset = 0;
	unsigned char    buf[8];
	struct scatterlist *sg = NULL;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	US_DEBUGP("sd_scsi_read_capacity\n");
	if (info->SD_Status.HiCapacity) {
		bl_len = 0x200;
		if (info->SD_Status.IsMMC)
			bl_num = info->HC_C_SIZE-1;
		else
			bl_num = (info->HC_C_SIZE + 1) * 1024 - 1;
	} else {
		bl_len = 1<<(info->SD_READ_BL_LEN);
		bl_num = info->SD_Block_Mult * (info->SD_C_SIZE + 1)
				* (1 << (info->SD_C_SIZE_MULT + 2)) - 1;
	}
	info->bl_num = bl_num;
	US_DEBUGP("bl_len = %x\n", bl_len);
	US_DEBUGP("bl_num = %x\n", bl_num);

	/*srb->request_bufflen = 8; */
	buf[0] = (bl_num >> 24) & 0xff;
	buf[1] = (bl_num >> 16) & 0xff;
	buf[2] = (bl_num >> 8) & 0xff;
	buf[3] = (bl_num >> 0) & 0xff;
	buf[4] = (bl_len >> 24) & 0xff;
	buf[5] = (bl_len >> 16) & 0xff;
	buf[6] = (bl_len >> 8) & 0xff;
	buf[7] = (bl_len >> 0) & 0xff;

	usb_stor_access_xfer_buf(buf, 8, srb, &sg, &offset, TO_XFER_BUF);

	return USB_STOR_TRANSPORT_GOOD;
}

static int sd_scsi_read(struct us_data *us, struct scsi_cmnd *srb)
{
	int result;
	unsigned char *cdb = srb->cmnd;
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	u32 bn = ((cdb[2] << 24) & 0xff000000) | ((cdb[3] << 16) & 0x00ff0000) |
		 ((cdb[4] << 8) & 0x0000ff00) | ((cdb[5] << 0) & 0x000000ff);
	u16 blen = ((cdb[7] << 8) & 0xff00) | ((cdb[8] << 0) & 0x00ff);
	u32 bnByte = bn * 0x200;
	u32 blenByte = blen * 0x200;

	if (bn > info->bl_num)
		return USB_STOR_TRANSPORT_ERROR;

	result = ene_load_bincode(us, SD_RW_PATTERN);
	if (result != USB_STOR_XFER_GOOD) {
		US_DEBUGP("Load SD RW pattern Fail !!\n");
		return USB_STOR_TRANSPORT_ERROR;
	}

	if (info->SD_Status.HiCapacity)
		bnByte = bn;

	/* set up the command wrapper */
	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = blenByte;
	bcb->Flags  = 0x80;
	bcb->CDB[0] = 0xF1;
	bcb->CDB[5] = (unsigned char)(bnByte);
	bcb->CDB[4] = (unsigned char)(bnByte>>8);
	bcb->CDB[3] = (unsigned char)(bnByte>>16);
	bcb->CDB[2] = (unsigned char)(bnByte>>24);

	result = ene_send_scsi_cmd(us, FDIR_READ, scsi_sglist(srb), 1);
	return result;
}

static int sd_scsi_write(struct us_data *us, struct scsi_cmnd *srb)
{
	int result;
	unsigned char *cdb = srb->cmnd;
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	u32 bn = ((cdb[2] << 24) & 0xff000000) | ((cdb[3] << 16) & 0x00ff0000) |
		 ((cdb[4] << 8) & 0x0000ff00) | ((cdb[5] << 0) & 0x000000ff);
	u16 blen = ((cdb[7] << 8) & 0xff00) | ((cdb[8] << 0) & 0x00ff);
	u32 bnByte = bn * 0x200;
	u32 blenByte = blen * 0x200;

	if (bn > info->bl_num)
		return USB_STOR_TRANSPORT_ERROR;

	result = ene_load_bincode(us, SD_RW_PATTERN);
	if (result != USB_STOR_XFER_GOOD) {
		US_DEBUGP("Load SD RW pattern Fail !!\n");
		return USB_STOR_TRANSPORT_ERROR;
	}

	if (info->SD_Status.HiCapacity)
		bnByte = bn;

	/* set up the command wrapper */
	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = blenByte;
	bcb->Flags  = 0x00;
	bcb->CDB[0] = 0xF0;
	bcb->CDB[5] = (unsigned char)(bnByte);
	bcb->CDB[4] = (unsigned char)(bnByte>>8);
	bcb->CDB[3] = (unsigned char)(bnByte>>16);
	bcb->CDB[2] = (unsigned char)(bnByte>>24);

	result = ene_send_scsi_cmd(us, FDIR_WRITE, scsi_sglist(srb), 1);
	return result;
}

/*
 * ENE MS Card
 */

static int ms_lib_set_logicalpair(struct us_data *us, u16 logblk, u16 phyblk)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	if ((logblk >= info->MS_Lib.NumberOfLogBlock) || (phyblk >= info->MS_Lib.NumberOfPhyBlock))
		return (u32)-1;

	info->MS_Lib.Phy2LogMap[phyblk] = logblk;
	info->MS_Lib.Log2PhyMap[logblk] = phyblk;

	return 0;
}

static int ms_lib_set_logicalblockmark(struct us_data *us, u16 phyblk, u16 mark)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	if (phyblk >= info->MS_Lib.NumberOfPhyBlock)
		return (u32)-1;

	info->MS_Lib.Phy2LogMap[phyblk] = mark;

	return 0;
}

static int ms_lib_set_initialerrorblock(struct us_data *us, u16 phyblk)
{
	return ms_lib_set_logicalblockmark(us, phyblk, MS_LB_INITIAL_ERROR);
}

static int ms_lib_set_bootblockmark(struct us_data *us, u16 phyblk)
{
	return ms_lib_set_logicalblockmark(us, phyblk, MS_LB_BOOT_BLOCK);
}

static int ms_lib_free_logicalmap(struct us_data *us)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	kfree(info->MS_Lib.Phy2LogMap);
	info->MS_Lib.Phy2LogMap = NULL;

	kfree(info->MS_Lib.Log2PhyMap);
	info->MS_Lib.Log2PhyMap = NULL;

	return 0;
}

int ms_lib_alloc_logicalmap(struct us_data *us)
{
	u32  i;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	info->MS_Lib.Phy2LogMap = kmalloc(info->MS_Lib.NumberOfPhyBlock * sizeof(u16), GFP_KERNEL);
	info->MS_Lib.Log2PhyMap = kmalloc(info->MS_Lib.NumberOfLogBlock * sizeof(u16), GFP_KERNEL);

	if ((info->MS_Lib.Phy2LogMap == NULL) || (info->MS_Lib.Log2PhyMap == NULL)) {
		ms_lib_free_logicalmap(us);
		return (u32)-1;
	}

	for (i = 0; i < info->MS_Lib.NumberOfPhyBlock; i++)
		info->MS_Lib.Phy2LogMap[i] = MS_LB_NOT_USED;

	for (i = 0; i < info->MS_Lib.NumberOfLogBlock; i++)
		info->MS_Lib.Log2PhyMap[i] = MS_LB_NOT_USED;

	return 0;
}

static void ms_lib_clear_writebuf(struct us_data *us)
{
	int i;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	info->MS_Lib.wrtblk = (u16)-1;
	ms_lib_clear_pagemap(info);

	if (info->MS_Lib.blkpag)
		memset(info->MS_Lib.blkpag, 0xff, info->MS_Lib.PagesPerBlock * info->MS_Lib.BytesPerSector);

	if (info->MS_Lib.blkext) {
		for (i = 0; i < info->MS_Lib.PagesPerBlock; i++) {
			info->MS_Lib.blkext[i].status1 = MS_REG_ST1_DEFAULT;
			info->MS_Lib.blkext[i].ovrflg = MS_REG_OVR_DEFAULT;
			info->MS_Lib.blkext[i].mngflg = MS_REG_MNG_DEFAULT;
			info->MS_Lib.blkext[i].logadr = MS_LB_NOT_USED;
		}
	}
}

static int ms_count_freeblock(struct us_data *us, u16 PhyBlock)
{
	u32 Ende, Count;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	Ende = PhyBlock + MS_PHYSICAL_BLOCKS_PER_SEGMENT;
	for (Count = 0; PhyBlock < Ende; PhyBlock++) {
		switch (info->MS_Lib.Phy2LogMap[PhyBlock]) {
		case MS_LB_NOT_USED:
		case MS_LB_NOT_USED_ERASED:
			Count++;
		default:
			break;
		}
	}

	return Count;
}

static int ms_read_readpage(struct us_data *us, u32 PhyBlockAddr,
		u8 PageNum, u32 *PageBuf, struct ms_lib_type_extdat *ExtraDat)
{
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	int result;
	u8 ExtBuf[4];
	u32 bn = PhyBlockAddr * 0x20 + PageNum;

	/* printk(KERN_INFO "MS --- MS_ReaderReadPage,
	PhyBlockAddr = %x, PageNum = %x\n", PhyBlockAddr, PageNum); */

	result = ene_load_bincode(us, MS_RW_PATTERN);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	/* Read Page Data */
	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = 0x200;
	bcb->Flags      = 0x80;
	bcb->CDB[0]     = 0xF1;

	bcb->CDB[1]     = 0x02; /* in init.c ENE_MSInit() is 0x01 */

	bcb->CDB[5]     = (unsigned char)(bn);
	bcb->CDB[4]     = (unsigned char)(bn>>8);
	bcb->CDB[3]     = (unsigned char)(bn>>16);
	bcb->CDB[2]     = (unsigned char)(bn>>24);

	result = ene_send_scsi_cmd(us, FDIR_READ, PageBuf, 0);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;


	/* Read Extra Data */
	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = 0x4;
	bcb->Flags      = 0x80;
	bcb->CDB[0]     = 0xF1;
	bcb->CDB[1]     = 0x03;

	bcb->CDB[5]     = (unsigned char)(PageNum);
	bcb->CDB[4]     = (unsigned char)(PhyBlockAddr);
	bcb->CDB[3]     = (unsigned char)(PhyBlockAddr>>8);
	bcb->CDB[2]     = (unsigned char)(PhyBlockAddr>>16);
	bcb->CDB[6]     = 0x01;

	result = ene_send_scsi_cmd(us, FDIR_READ, &ExtBuf, 0);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	ExtraDat->reserved = 0;
	ExtraDat->intr     = 0x80;  /* Not yet,fireware support */
	ExtraDat->status0  = 0x10;  /* Not yet,fireware support */

	ExtraDat->status1  = 0x00;  /* Not yet,fireware support */
	ExtraDat->ovrflg   = ExtBuf[0];
	ExtraDat->mngflg   = ExtBuf[1];
	ExtraDat->logadr   = memstick_logaddr(ExtBuf[2], ExtBuf[3]);

	return USB_STOR_TRANSPORT_GOOD;
}

static int ms_lib_process_bootblock(struct us_data *us, u16 PhyBlock, u8 *PageData)
{
	struct ms_bootblock_sysent *SysEntry;
	struct ms_bootblock_sysinf *SysInfo;
	u32 i, result;
	u8 PageNumber;
	u8 *PageBuffer;
	struct ms_lib_type_extdat ExtraData;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	PageBuffer = kmalloc(MS_BYTES_PER_PAGE, GFP_KERNEL);
	if (PageBuffer == NULL)
		return (u32)-1;

	result = (u32)-1;

	SysInfo = &(((struct ms_bootblock_page0 *)PageData)->sysinf);

	if ((SysInfo->bMsClass != MS_SYSINF_MSCLASS_TYPE_1) ||
		(be16_to_cpu(SysInfo->wPageSize) != MS_SYSINF_PAGE_SIZE) ||
		((SysInfo->bSecuritySupport & MS_SYSINF_SECURITY) == MS_SYSINF_SECURITY_SUPPORT) ||
		(SysInfo->bReserved1 != MS_SYSINF_RESERVED1) ||
		(SysInfo->bReserved2 != MS_SYSINF_RESERVED2) ||
		(SysInfo->bFormatType != MS_SYSINF_FORMAT_FAT) ||
		(SysInfo->bUsage != MS_SYSINF_USAGE_GENERAL))
		goto exit;
		/* */
	switch (info->MS_Lib.cardType = SysInfo->bCardType) {
	case MS_SYSINF_CARDTYPE_RDONLY:
		ms_lib_ctrl_set(info, MS_LIB_CTRL_RDONLY);
		break;
	case MS_SYSINF_CARDTYPE_RDWR:
		ms_lib_ctrl_reset(info, MS_LIB_CTRL_RDONLY);
		break;
	case MS_SYSINF_CARDTYPE_HYBRID:
	default:
		goto exit;
	}

	info->MS_Lib.blockSize = be16_to_cpu(SysInfo->wBlockSize);
	info->MS_Lib.NumberOfPhyBlock = be16_to_cpu(SysInfo->wBlockNumber);
	info->MS_Lib.NumberOfLogBlock = be16_to_cpu(SysInfo->wTotalBlockNumber)-2;
	info->MS_Lib.PagesPerBlock = info->MS_Lib.blockSize * SIZE_OF_KIRO / MS_BYTES_PER_PAGE;
	info->MS_Lib.NumberOfSegment = info->MS_Lib.NumberOfPhyBlock / MS_PHYSICAL_BLOCKS_PER_SEGMENT;
	info->MS_Model = be16_to_cpu(SysInfo->wMemorySize);

	/*Allocate to all number of logicalblock and physicalblock */
	if (ms_lib_alloc_logicalmap(us))
		goto exit;

	/* Mark the book block */
	ms_lib_set_bootblockmark(us, PhyBlock);

	SysEntry = &(((struct ms_bootblock_page0 *)PageData)->sysent);

	for (i = 0; i < MS_NUMBER_OF_SYSTEM_ENTRY; i++) {
		u32  EntryOffset, EntrySize;

		EntryOffset = be32_to_cpu(SysEntry->entry[i].dwStart);

		if (EntryOffset == 0xffffff)
			continue;
		EntrySize = be32_to_cpu(SysEntry->entry[i].dwSize);

		if (EntrySize == 0)
			continue;

		if (EntryOffset + MS_BYTES_PER_PAGE + EntrySize > info->MS_Lib.blockSize * (u32)SIZE_OF_KIRO)
			continue;

		if (i == 0) {
			u8 PrevPageNumber = 0;
			u16 phyblk;

			if (SysEntry->entry[i].bType != MS_SYSENT_TYPE_INVALID_BLOCK)
				goto exit;

			while (EntrySize > 0) {

				PageNumber = (u8)(EntryOffset / MS_BYTES_PER_PAGE + 1);
				if (PageNumber != PrevPageNumber) {
					switch (ms_read_readpage(us, PhyBlock, PageNumber, (u32 *)PageBuffer, &ExtraData)) {
					case MS_STATUS_SUCCESS:
						break;
					case MS_STATUS_WRITE_PROTECT:
					case MS_ERROR_FLASH_READ:
					case MS_STATUS_ERROR:
					default:
						goto exit;
					}

					PrevPageNumber = PageNumber;
				}

				phyblk = be16_to_cpu(*(u16 *)(PageBuffer + (EntryOffset % MS_BYTES_PER_PAGE)));
				if (phyblk < 0x0fff)
					ms_lib_set_initialerrorblock(us, phyblk);

				EntryOffset += 2;
				EntrySize -= 2;
			}
		} else if (i == 1) {  /* CIS/IDI */
			struct ms_bootblock_idi *idi;

			if (SysEntry->entry[i].bType != MS_SYSENT_TYPE_CIS_IDI)
				goto exit;

			switch (ms_read_readpage(us, PhyBlock, (u8)(EntryOffset / MS_BYTES_PER_PAGE + 1), (u32 *)PageBuffer, &ExtraData)) {
			case MS_STATUS_SUCCESS:
				break;
			case MS_STATUS_WRITE_PROTECT:
			case MS_ERROR_FLASH_READ:
			case MS_STATUS_ERROR:
			default:
				goto exit;
			}

			idi = &((struct ms_bootblock_cis_idi *)(PageBuffer + (EntryOffset % MS_BYTES_PER_PAGE)))->idi.idi;
			if (le16_to_cpu(idi->wIDIgeneralConfiguration) != MS_IDI_GENERAL_CONF)
				goto exit;

			info->MS_Lib.BytesPerSector = le16_to_cpu(idi->wIDIbytesPerSector);
			if (info->MS_Lib.BytesPerSector != MS_BYTES_PER_PAGE)
				goto exit;
		}
	} /* End for .. */

	result = 0;

exit:
	if (result)
		ms_lib_free_logicalmap(us);

	kfree(PageBuffer);

	result = 0;
	return result;
}

static void ms_lib_free_writebuf(struct us_data *us)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
	info->MS_Lib.wrtblk = (u16)-1; /* set to -1 */

	/* memset((fdoExt)->MS_Lib.pagemap, 0, sizeof((fdoExt)->MS_Lib.pagemap)) */

	ms_lib_clear_pagemap(info); /* (pdx)->MS_Lib.pagemap memset 0 in ms.h */

	if (info->MS_Lib.blkpag) {
		kfree((u8 *)(info->MS_Lib.blkpag));  /* Arnold test ... */
		info->MS_Lib.blkpag = NULL;
	}

	if (info->MS_Lib.blkext) {
		kfree((u8 *)(info->MS_Lib.blkext));  /* Arnold test ... */
		info->MS_Lib.blkext = NULL;
	}
}


static void ms_lib_free_allocatedarea(struct us_data *us)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	ms_lib_free_writebuf(us); /* Free MS_Lib.pagemap */
	ms_lib_free_logicalmap(us); /* kfree MS_Lib.Phy2LogMap and MS_Lib.Log2PhyMap */

	/* set struct us point flag to 0 */
	info->MS_Lib.flags = 0;
	info->MS_Lib.BytesPerSector = 0;
	info->MS_Lib.SectorsPerCylinder = 0;

	info->MS_Lib.cardType = 0;
	info->MS_Lib.blockSize = 0;
	info->MS_Lib.PagesPerBlock = 0;

	info->MS_Lib.NumberOfPhyBlock = 0;
	info->MS_Lib.NumberOfLogBlock = 0;
}


static int ms_lib_alloc_writebuf(struct us_data *us)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	info->MS_Lib.wrtblk = (u16)-1;

	info->MS_Lib.blkpag = kmalloc(info->MS_Lib.PagesPerBlock * info->MS_Lib.BytesPerSector, GFP_KERNEL);
	info->MS_Lib.blkext = kmalloc(info->MS_Lib.PagesPerBlock * sizeof(struct ms_lib_type_extdat), GFP_KERNEL);

	if ((info->MS_Lib.blkpag == NULL) || (info->MS_Lib.blkext == NULL)) {
		ms_lib_free_writebuf(us);
		return (u32)-1;
	}

	ms_lib_clear_writebuf(us);

return 0;
}

static int ms_lib_force_setlogical_pair(struct us_data *us, u16 logblk, u16 phyblk)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	if (logblk == MS_LB_NOT_USED)
		return 0;

	if ((logblk >= info->MS_Lib.NumberOfLogBlock) ||
		(phyblk >= info->MS_Lib.NumberOfPhyBlock))
		return (u32)-1;

	info->MS_Lib.Phy2LogMap[phyblk] = logblk;
	info->MS_Lib.Log2PhyMap[logblk] = phyblk;

	return 0;
}

static int ms_read_copyblock(struct us_data *us, u16 oldphy, u16 newphy,
			u16 PhyBlockAddr, u8 PageNum, unsigned char *buf, u16 len)
{
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	int result;

	/* printk(KERN_INFO "MS_ReaderCopyBlock --- PhyBlockAddr = %x,
		PageNum = %x\n", PhyBlockAddr, PageNum); */
	result = ene_load_bincode(us, MS_RW_PATTERN);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = 0x200*len;
	bcb->Flags = 0x00;
	bcb->CDB[0] = 0xF0;
	bcb->CDB[1] = 0x08;
	bcb->CDB[4] = (unsigned char)(oldphy);
	bcb->CDB[3] = (unsigned char)(oldphy>>8);
	bcb->CDB[2] = 0; /* (BYTE)(oldphy>>16) */
	bcb->CDB[7] = (unsigned char)(newphy);
	bcb->CDB[6] = (unsigned char)(newphy>>8);
	bcb->CDB[5] = 0; /* (BYTE)(newphy>>16) */
	bcb->CDB[9] = (unsigned char)(PhyBlockAddr);
	bcb->CDB[8] = (unsigned char)(PhyBlockAddr>>8);
	bcb->CDB[10] = PageNum;

	result = ene_send_scsi_cmd(us, FDIR_WRITE, buf, 0);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	return USB_STOR_TRANSPORT_GOOD;
}

static int ms_read_eraseblock(struct us_data *us, u32 PhyBlockAddr)
{
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	int result;
	u32 bn = PhyBlockAddr;

	/* printk(KERN_INFO "MS --- ms_read_eraseblock,
			PhyBlockAddr = %x\n", PhyBlockAddr); */
	result = ene_load_bincode(us, MS_RW_PATTERN);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = 0x200;
	bcb->Flags = 0x80;
	bcb->CDB[0] = 0xF2;
	bcb->CDB[1] = 0x06;
	bcb->CDB[4] = (unsigned char)(bn);
	bcb->CDB[3] = (unsigned char)(bn>>8);
	bcb->CDB[2] = (unsigned char)(bn>>16);

	result = ene_send_scsi_cmd(us, FDIR_READ, NULL, 0);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	return USB_STOR_TRANSPORT_GOOD;
}

static int ms_lib_check_disableblock(struct us_data *us, u16 PhyBlock)
{
	unsigned char *PageBuf = NULL;
	u16 result = MS_STATUS_SUCCESS;
	u16 blk, index = 0;
	struct ms_lib_type_extdat extdat;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	PageBuf = kmalloc(MS_BYTES_PER_PAGE, GFP_KERNEL);
	if (PageBuf == NULL) {
		result = MS_NO_MEMORY_ERROR;
		goto exit;
	}

	ms_read_readpage(us, PhyBlock, 1, (u32 *)PageBuf, &extdat);
	do {
		blk = be16_to_cpu(PageBuf[index]);
		if (blk == MS_LB_NOT_USED)
			break;
		if (blk == info->MS_Lib.Log2PhyMap[0]) {
			result = MS_ERROR_FLASH_READ;
			break;
		}
		index++;
	} while (1);

exit:
	kfree(PageBuf);
	return result;
}

static int ms_lib_setacquired_errorblock(struct us_data *us, u16 phyblk)
{
	u16 log;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	if (phyblk >= info->MS_Lib.NumberOfPhyBlock)
		return (u32)-1;

	log = info->MS_Lib.Phy2LogMap[phyblk];

	if (log < info->MS_Lib.NumberOfLogBlock)
		info->MS_Lib.Log2PhyMap[log] = MS_LB_NOT_USED;

	if (info->MS_Lib.Phy2LogMap[phyblk] != MS_LB_INITIAL_ERROR)
		info->MS_Lib.Phy2LogMap[phyblk] = MS_LB_ACQUIRED_ERROR;

	return 0;
}

static int ms_lib_overwrite_extra(struct us_data *us, u32 PhyBlockAddr,
				u8 PageNum, u8 OverwriteFlag)
{
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	int result;

	/* printk("MS --- MS_LibOverwriteExtra,
		PhyBlockAddr = %x, PageNum = %x\n", PhyBlockAddr, PageNum); */
	result = ene_load_bincode(us, MS_RW_PATTERN);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = 0x4;
	bcb->Flags = 0x80;
	bcb->CDB[0] = 0xF2;
	bcb->CDB[1] = 0x05;
	bcb->CDB[5] = (unsigned char)(PageNum);
	bcb->CDB[4] = (unsigned char)(PhyBlockAddr);
	bcb->CDB[3] = (unsigned char)(PhyBlockAddr>>8);
	bcb->CDB[2] = (unsigned char)(PhyBlockAddr>>16);
	bcb->CDB[6] = OverwriteFlag;
	bcb->CDB[7] = 0xFF;
	bcb->CDB[8] = 0xFF;
	bcb->CDB[9] = 0xFF;

	result = ene_send_scsi_cmd(us, FDIR_READ, NULL, 0);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	return USB_STOR_TRANSPORT_GOOD;
}

static int ms_lib_error_phyblock(struct us_data *us, u16 phyblk)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	if (phyblk >= info->MS_Lib.NumberOfPhyBlock)
		return MS_STATUS_ERROR;

	ms_lib_setacquired_errorblock(us, phyblk);

	if (ms_lib_iswritable(info))
		return ms_lib_overwrite_extra(us, phyblk, 0, (u8)(~MS_REG_OVR_BKST & BYTE_MASK));

	return MS_STATUS_SUCCESS;
}

static int ms_lib_erase_phyblock(struct us_data *us, u16 phyblk)
{
	u16 log;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	if (phyblk >= info->MS_Lib.NumberOfPhyBlock)
		return MS_STATUS_ERROR;

	log = info->MS_Lib.Phy2LogMap[phyblk];

	if (log < info->MS_Lib.NumberOfLogBlock)
		info->MS_Lib.Log2PhyMap[log] = MS_LB_NOT_USED;

	info->MS_Lib.Phy2LogMap[phyblk] = MS_LB_NOT_USED;

	if (ms_lib_iswritable(info)) {
		switch (ms_read_eraseblock(us, phyblk)) {
		case MS_STATUS_SUCCESS:
			info->MS_Lib.Phy2LogMap[phyblk] = MS_LB_NOT_USED_ERASED;
			return MS_STATUS_SUCCESS;
		case MS_ERROR_FLASH_ERASE:
		case MS_STATUS_INT_ERROR:
			ms_lib_error_phyblock(us, phyblk);
			return MS_ERROR_FLASH_ERASE;
		case MS_STATUS_ERROR:
		default:
			ms_lib_ctrl_set(info, MS_LIB_CTRL_RDONLY); /* MS_LibCtrlSet will used by ENE_MSInit ,need check, and why us to info*/
			ms_lib_setacquired_errorblock(us, phyblk);
			return MS_STATUS_ERROR;
		}
	}

	ms_lib_setacquired_errorblock(us, phyblk);

	return MS_STATUS_SUCCESS;
}

static int ms_lib_read_extra(struct us_data *us, u32 PhyBlock,
				u8 PageNum, struct ms_lib_type_extdat *ExtraDat)
{
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	int result;
	u8 ExtBuf[4];

	/* printk("MS_LibReadExtra --- PhyBlock = %x, PageNum = %x\n", PhyBlock, PageNum); */
	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = 0x4;
	bcb->Flags      = 0x80;
	bcb->CDB[0]     = 0xF1;
	bcb->CDB[1]     = 0x03;
	bcb->CDB[5]     = (unsigned char)(PageNum);
	bcb->CDB[4]     = (unsigned char)(PhyBlock);
	bcb->CDB[3]     = (unsigned char)(PhyBlock>>8);
	bcb->CDB[2]     = (unsigned char)(PhyBlock>>16);
	bcb->CDB[6]     = 0x01;

	result = ene_send_scsi_cmd(us, FDIR_READ, &ExtBuf, 0);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	ExtraDat->reserved = 0;
	ExtraDat->intr     = 0x80;  /* Not yet, waiting for fireware support */
	ExtraDat->status0  = 0x10;  /* Not yet, waiting for fireware support */
	ExtraDat->status1  = 0x00;  /* Not yet, waiting for fireware support */
	ExtraDat->ovrflg   = ExtBuf[0];
	ExtraDat->mngflg   = ExtBuf[1];
	ExtraDat->logadr   = memstick_logaddr(ExtBuf[2], ExtBuf[3]);

	return USB_STOR_TRANSPORT_GOOD;
}

static int ms_libsearch_block_from_physical(struct us_data *us, u16 phyblk)
{
	u16 Newblk;
	u16 blk;
	struct ms_lib_type_extdat extdat; /* need check */
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;


	if (phyblk >= info->MS_Lib.NumberOfPhyBlock)
		return MS_LB_ERROR;

	for (blk = phyblk + 1; blk != phyblk; blk++) {
		if ((blk & MS_PHYSICAL_BLOCKS_PER_SEGMENT_MASK) == 0)
			blk -= MS_PHYSICAL_BLOCKS_PER_SEGMENT;

		Newblk = info->MS_Lib.Phy2LogMap[blk];
		if (info->MS_Lib.Phy2LogMap[blk] == MS_LB_NOT_USED_ERASED) {
			return blk;
		} else if (info->MS_Lib.Phy2LogMap[blk] == MS_LB_NOT_USED) {
			switch (ms_lib_read_extra(us, blk, 0, &extdat)) {
			case MS_STATUS_SUCCESS:
			case MS_STATUS_SUCCESS_WITH_ECC:
				break;
			case MS_NOCARD_ERROR:
				return MS_NOCARD_ERROR;
			case MS_STATUS_INT_ERROR:
				return MS_LB_ERROR;
			case MS_ERROR_FLASH_READ:
			default:
				ms_lib_setacquired_errorblock(us, blk);
				continue;
			} /* End switch */

			if ((extdat.ovrflg & MS_REG_OVR_BKST) != MS_REG_OVR_BKST_OK) {
				ms_lib_setacquired_errorblock(us, blk);
				continue;
			}

			switch (ms_lib_erase_phyblock(us, blk)) {
			case MS_STATUS_SUCCESS:
				return blk;
			case MS_STATUS_ERROR:
				return MS_LB_ERROR;
			case MS_ERROR_FLASH_ERASE:
			default:
				ms_lib_error_phyblock(us, blk);
				break;
			}
		}
	} /* End for */

	return MS_LB_ERROR;
}
static int ms_libsearch_block_from_logical(struct us_data *us, u16 logblk)
{
	u16 phyblk;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	phyblk = ms_libconv_to_physical(info, logblk);
	if (phyblk >= MS_LB_ERROR) {
		if (logblk >= info->MS_Lib.NumberOfLogBlock)
			return MS_LB_ERROR;

		phyblk = (logblk + MS_NUMBER_OF_BOOT_BLOCK) / MS_LOGICAL_BLOCKS_PER_SEGMENT;
		phyblk *= MS_PHYSICAL_BLOCKS_PER_SEGMENT;
		phyblk += MS_PHYSICAL_BLOCKS_PER_SEGMENT - 1;
	}

	return ms_libsearch_block_from_physical(us, phyblk);
}

static int ms_scsi_test_unit_ready(struct us_data *us, struct scsi_cmnd *srb)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);

	/* pr_info("MS_SCSI_Test_Unit_Ready\n"); */
	if (info->MS_Status.Insert && info->MS_Status.Ready) {
		return USB_STOR_TRANSPORT_GOOD;
	} else {
		ene_ms_init(us);
		return USB_STOR_TRANSPORT_GOOD;
	}

	return USB_STOR_TRANSPORT_GOOD;
}

static int ms_scsi_inquiry(struct us_data *us, struct scsi_cmnd *srb)
{
	/* pr_info("MS_SCSI_Inquiry\n"); */
	unsigned char data_ptr[36] = {
		0x00, 0x80, 0x02, 0x00, 0x1F, 0x00, 0x00, 0x00, 0x55,
		0x53, 0x42, 0x32, 0x2E, 0x30, 0x20, 0x20, 0x43, 0x61,
		0x72, 0x64, 0x52, 0x65, 0x61, 0x64, 0x65, 0x72, 0x20,
		0x20, 0x20, 0x20, 0x20, 0x20, 0x30, 0x31, 0x30, 0x30};

	usb_stor_set_xfer_buf(data_ptr, 36, srb);
	return USB_STOR_TRANSPORT_GOOD;
}

static int ms_scsi_mode_sense(struct us_data *us, struct scsi_cmnd *srb)
{
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;
	unsigned char mediaNoWP[12] = {
		0x0b, 0x00, 0x00, 0x08, 0x00, 0x00,
		0x71, 0xc0, 0x00, 0x00, 0x02, 0x00 };
	unsigned char mediaWP[12]   = {
		0x0b, 0x00, 0x80, 0x08, 0x00, 0x00,
		0x71, 0xc0, 0x00, 0x00, 0x02, 0x00 };

	if (info->MS_Status.WtP)
		usb_stor_set_xfer_buf(mediaWP, 12, srb);
	else
		usb_stor_set_xfer_buf(mediaNoWP, 12, srb);

	return USB_STOR_TRANSPORT_GOOD;
}

static int ms_scsi_read_capacity(struct us_data *us, struct scsi_cmnd *srb)
{
	u32   bl_num;
	u16    bl_len;
	unsigned int offset = 0;
	unsigned char    buf[8];
	struct scatterlist *sg = NULL;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	US_DEBUGP("ms_scsi_read_capacity\n");
	bl_len = 0x200;
	if (info->MS_Status.IsMSPro)
		bl_num = info->MSP_TotalBlock - 1;
	else
		bl_num = info->MS_Lib.NumberOfLogBlock * info->MS_Lib.blockSize * 2 - 1;

	info->bl_num = bl_num;
	US_DEBUGP("bl_len = %x\n", bl_len);
	US_DEBUGP("bl_num = %x\n", bl_num);

	/*srb->request_bufflen = 8; */
	buf[0] = (bl_num >> 24) & 0xff;
	buf[1] = (bl_num >> 16) & 0xff;
	buf[2] = (bl_num >> 8) & 0xff;
	buf[3] = (bl_num >> 0) & 0xff;
	buf[4] = (bl_len >> 24) & 0xff;
	buf[5] = (bl_len >> 16) & 0xff;
	buf[6] = (bl_len >> 8) & 0xff;
	buf[7] = (bl_len >> 0) & 0xff;

	usb_stor_access_xfer_buf(buf, 8, srb, &sg, &offset, TO_XFER_BUF);

	return USB_STOR_TRANSPORT_GOOD;
}

static void ms_lib_phy_to_log_range(u16 PhyBlock, u16 *LogStart, u16 *LogEnde)
{
	PhyBlock /= MS_PHYSICAL_BLOCKS_PER_SEGMENT;

	if (PhyBlock) {
		*LogStart = MS_LOGICAL_BLOCKS_IN_1ST_SEGMENT + (PhyBlock - 1) * MS_LOGICAL_BLOCKS_PER_SEGMENT;/*496*/
		*LogEnde = *LogStart + MS_LOGICAL_BLOCKS_PER_SEGMENT;/*496*/
	} else {
		*LogStart = 0;
		*LogEnde = MS_LOGICAL_BLOCKS_IN_1ST_SEGMENT;/*494*/
	}
}

static int ms_lib_read_extrablock(struct us_data *us, u32 PhyBlock,
	u8 PageNum, u8 blen, void *buf)
{
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	int     result;

	/* printk("MS_LibReadExtraBlock --- PhyBlock = %x,
		PageNum = %x, blen = %x\n", PhyBlock, PageNum, blen); */

	/* Read Extra Data */
	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = 0x4 * blen;
	bcb->Flags      = 0x80;
	bcb->CDB[0]     = 0xF1;
	bcb->CDB[1]     = 0x03;
	bcb->CDB[5]     = (unsigned char)(PageNum);
	bcb->CDB[4]     = (unsigned char)(PhyBlock);
	bcb->CDB[3]     = (unsigned char)(PhyBlock>>8);
	bcb->CDB[2]     = (unsigned char)(PhyBlock>>16);
	bcb->CDB[6]     = blen;

	result = ene_send_scsi_cmd(us, FDIR_READ, buf, 0);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	return USB_STOR_TRANSPORT_GOOD;
}

static int ms_lib_scan_logicalblocknumber(struct us_data *us, u16 btBlk1st)
{
	u16 PhyBlock, newblk, i;
	u16 LogStart, LogEnde;
	struct ms_lib_type_extdat extdat;
	u8 buf[0x200];
	u32 count = 0, index = 0;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	for (PhyBlock = 0; PhyBlock < info->MS_Lib.NumberOfPhyBlock;) {
		ms_lib_phy_to_log_range(PhyBlock, &LogStart, &LogEnde);

		for (i = 0; i < MS_PHYSICAL_BLOCKS_PER_SEGMENT; i++, PhyBlock++) {
			switch (ms_libconv_to_logical(info, PhyBlock)) {
			case MS_STATUS_ERROR:
				continue;
			default:
				break;
			}

			if (count == PhyBlock) {
				ms_lib_read_extrablock(us, PhyBlock, 0, 0x80, &buf);
				count += 0x80;
			}
			index = (PhyBlock % 0x80) * 4;

			extdat.ovrflg = buf[index];
			extdat.mngflg = buf[index+1];
			extdat.logadr = memstick_logaddr(buf[index+2], buf[index+3]);

			if ((extdat.ovrflg & MS_REG_OVR_BKST) != MS_REG_OVR_BKST_OK) {
				ms_lib_setacquired_errorblock(us, PhyBlock);
				continue;
			}

			if ((extdat.mngflg & MS_REG_MNG_ATFLG) == MS_REG_MNG_ATFLG_ATTBL) {
				ms_lib_erase_phyblock(us, PhyBlock);
				continue;
			}

			if (extdat.logadr != MS_LB_NOT_USED) {
				if ((extdat.logadr < LogStart) || (LogEnde <= extdat.logadr)) {
					ms_lib_erase_phyblock(us, PhyBlock);
					continue;
				}

				newblk = ms_libconv_to_physical(info, extdat.logadr);

				if (newblk != MS_LB_NOT_USED) {
					if (extdat.logadr == 0) {
						ms_lib_set_logicalpair(us, extdat.logadr, PhyBlock);
						if (ms_lib_check_disableblock(us, btBlk1st)) {
							ms_lib_set_logicalpair(us, extdat.logadr, newblk);
							continue;
						}
					}

					ms_lib_read_extra(us, newblk, 0, &extdat);
					if ((extdat.ovrflg & MS_REG_OVR_UDST) == MS_REG_OVR_UDST_UPDATING) {
						ms_lib_erase_phyblock(us, PhyBlock);
						continue;
					} else {
						ms_lib_erase_phyblock(us, newblk);
					}
				}

				ms_lib_set_logicalpair(us, extdat.logadr, PhyBlock);
			}
		}
	} /* End for ... */

	return MS_STATUS_SUCCESS;
}


static int ms_scsi_read(struct us_data *us, struct scsi_cmnd *srb)
{
	int result;
	unsigned char *cdb = srb->cmnd;
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	u32 bn = ((cdb[2] << 24) & 0xff000000) | ((cdb[3] << 16) & 0x00ff0000) |
		((cdb[4] << 8) & 0x0000ff00) | ((cdb[5] << 0) & 0x000000ff);
	u16 blen = ((cdb[7] << 8) & 0xff00) | ((cdb[8] << 0) & 0x00ff);
	u32 blenByte = blen * 0x200;

	if (bn > info->bl_num)
		return USB_STOR_TRANSPORT_ERROR;

	if (info->MS_Status.IsMSPro) {
		result = ene_load_bincode(us, MSP_RW_PATTERN);
		if (result != USB_STOR_XFER_GOOD) {
			US_DEBUGP("Load MPS RW pattern Fail !!\n");
			return USB_STOR_TRANSPORT_ERROR;
		}

		/* set up the command wrapper */
		memset(bcb, 0, sizeof(struct bulk_cb_wrap));
		bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
		bcb->DataTransferLength = blenByte;
		bcb->Flags  = 0x80;
		bcb->CDB[0] = 0xF1;
		bcb->CDB[1] = 0x02;
		bcb->CDB[5] = (unsigned char)(bn);
		bcb->CDB[4] = (unsigned char)(bn>>8);
		bcb->CDB[3] = (unsigned char)(bn>>16);
		bcb->CDB[2] = (unsigned char)(bn>>24);

		result = ene_send_scsi_cmd(us, FDIR_READ, scsi_sglist(srb), 1);
	} else {
		void *buf;
		int offset = 0;
		u16 phyblk, logblk;
		u8 PageNum;
		u16 len;
		u32 blkno;

		buf = kmalloc(blenByte, GFP_KERNEL);
		if (buf == NULL)
			return USB_STOR_TRANSPORT_ERROR;

		result = ene_load_bincode(us, MS_RW_PATTERN);
		if (result != USB_STOR_XFER_GOOD) {
			pr_info("Load MS RW pattern Fail !!\n");
			result = USB_STOR_TRANSPORT_ERROR;
			goto exit;
		}

		logblk  = (u16)(bn / info->MS_Lib.PagesPerBlock);
		PageNum = (u8)(bn % info->MS_Lib.PagesPerBlock);

		while (1) {
			if (blen > (info->MS_Lib.PagesPerBlock-PageNum))
				len = info->MS_Lib.PagesPerBlock-PageNum;
			else
				len = blen;

			phyblk = ms_libconv_to_physical(info, logblk);
			blkno  = phyblk * 0x20 + PageNum;

			/* set up the command wrapper */
			memset(bcb, 0, sizeof(struct bulk_cb_wrap));
			bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
			bcb->DataTransferLength = 0x200 * len;
			bcb->Flags  = 0x80;
			bcb->CDB[0] = 0xF1;
			bcb->CDB[1] = 0x02;
			bcb->CDB[5] = (unsigned char)(blkno);
			bcb->CDB[4] = (unsigned char)(blkno>>8);
			bcb->CDB[3] = (unsigned char)(blkno>>16);
			bcb->CDB[2] = (unsigned char)(blkno>>24);

			result = ene_send_scsi_cmd(us, FDIR_READ, buf+offset, 0);
			if (result != USB_STOR_XFER_GOOD) {
				pr_info("MS_SCSI_Read --- result = %x\n", result);
				result = USB_STOR_TRANSPORT_ERROR;
				goto exit;
			}

			blen -= len;
			if (blen <= 0)
				break;
			logblk++;
			PageNum = 0;
			offset += MS_BYTES_PER_PAGE*len;
		}
		usb_stor_set_xfer_buf(buf, blenByte, srb);
exit:
		kfree(buf);
	}
	return result;
}

static int ms_scsi_write(struct us_data *us, struct scsi_cmnd *srb)
{
	int result;
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	unsigned char *cdb = srb->cmnd;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	u32 bn = ((cdb[2] << 24) & 0xff000000) |
			((cdb[3] << 16) & 0x00ff0000) |
			((cdb[4] << 8) & 0x0000ff00) |
			((cdb[5] << 0) & 0x000000ff);
	u16 blen = ((cdb[7] << 8) & 0xff00) | ((cdb[8] << 0) & 0x00ff);
	u32 blenByte = blen * 0x200;

	if (bn > info->bl_num)
		return USB_STOR_TRANSPORT_ERROR;

	if (info->MS_Status.IsMSPro) {
		result = ene_load_bincode(us, MSP_RW_PATTERN);
		if (result != USB_STOR_XFER_GOOD) {
			pr_info("Load MSP RW pattern Fail !!\n");
			return USB_STOR_TRANSPORT_ERROR;
		}

		/* set up the command wrapper */
		memset(bcb, 0, sizeof(struct bulk_cb_wrap));
		bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
		bcb->DataTransferLength = blenByte;
		bcb->Flags  = 0x00;
		bcb->CDB[0] = 0xF0;
		bcb->CDB[1] = 0x04;
		bcb->CDB[5] = (unsigned char)(bn);
		bcb->CDB[4] = (unsigned char)(bn>>8);
		bcb->CDB[3] = (unsigned char)(bn>>16);
		bcb->CDB[2] = (unsigned char)(bn>>24);

		result = ene_send_scsi_cmd(us, FDIR_WRITE, scsi_sglist(srb), 1);
	} else {
		void *buf;
		int offset = 0;
		u16 PhyBlockAddr;
		u8 PageNum;
		u16 len, oldphy, newphy;

		buf = kmalloc(blenByte, GFP_KERNEL);
		if (buf == NULL)
			return USB_STOR_TRANSPORT_ERROR;
		usb_stor_set_xfer_buf(buf, blenByte, srb);

		result = ene_load_bincode(us, MS_RW_PATTERN);
		if (result != USB_STOR_XFER_GOOD) {
			pr_info("Load MS RW pattern Fail !!\n");
			result = USB_STOR_TRANSPORT_ERROR;
			goto exit;
		}

		PhyBlockAddr = (u16)(bn / info->MS_Lib.PagesPerBlock);
		PageNum      = (u8)(bn % info->MS_Lib.PagesPerBlock);

		while (1) {
			if (blen > (info->MS_Lib.PagesPerBlock-PageNum))
				len = info->MS_Lib.PagesPerBlock-PageNum;
			else
				len = blen;

			oldphy = ms_libconv_to_physical(info, PhyBlockAddr); /* need check us <-> info */
			newphy = ms_libsearch_block_from_logical(us, PhyBlockAddr);

			result = ms_read_copyblock(us, oldphy, newphy, PhyBlockAddr, PageNum, buf+offset, len);

			if (result != USB_STOR_XFER_GOOD) {
				pr_info("MS_SCSI_Write --- result = %x\n", result);
				result =  USB_STOR_TRANSPORT_ERROR;
				goto exit;
			}

			info->MS_Lib.Phy2LogMap[oldphy] = MS_LB_NOT_USED_ERASED;
			ms_lib_force_setlogical_pair(us, PhyBlockAddr, newphy);

			blen -= len;
			if (blen <= 0)
				break;
			PhyBlockAddr++;
			PageNum = 0;
			offset += MS_BYTES_PER_PAGE*len;
		}
exit:
		kfree(buf);
	}
	return result;
}

/*
 * ENE MS Card
 */

static int ene_get_card_type(struct us_data *us, u16 index, void *buf)
{
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	int result;

	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength	= 0x01;
	bcb->Flags			= 0x80;
	bcb->CDB[0]			= 0xED;
	bcb->CDB[2]			= (unsigned char)(index>>8);
	bcb->CDB[3]			= (unsigned char)index;

	result = ene_send_scsi_cmd(us, FDIR_READ, buf, 0);
	return result;
}

static int ene_get_card_status(struct us_data *us, u8 *buf)
{
	u16 tmpreg;
	u32 reg4b;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	/*US_DEBUGP("transport --- ENE_ReadSDReg\n");*/
	reg4b = *(u32 *)&buf[0x18];
	info->SD_READ_BL_LEN = (u8)((reg4b >> 8) & 0x0f);

	tmpreg = (u16) reg4b;
	reg4b = *(u32 *)(&buf[0x14]);
	if (info->SD_Status.HiCapacity && !info->SD_Status.IsMMC)
		info->HC_C_SIZE = (reg4b >> 8) & 0x3fffff;

	info->SD_C_SIZE = ((tmpreg & 0x03) << 10) | (u16)(reg4b >> 22);
	info->SD_C_SIZE_MULT = (u8)(reg4b >> 7)  & 0x07;
	if (info->SD_Status.HiCapacity && info->SD_Status.IsMMC)
		info->HC_C_SIZE = *(u32 *)(&buf[0x100]);

	if (info->SD_READ_BL_LEN > SD_BLOCK_LEN) {
		info->SD_Block_Mult = 1 << (info->SD_READ_BL_LEN-SD_BLOCK_LEN);
		info->SD_READ_BL_LEN = SD_BLOCK_LEN;
	} else {
		info->SD_Block_Mult = 1;
	}

	return USB_STOR_TRANSPORT_GOOD;
}

static int ene_load_bincode(struct us_data *us, unsigned char flag)
{
	int err;
	char *fw_name = NULL;
	unsigned char *buf = NULL;
	const struct firmware *sd_fw = NULL;
	int result = USB_STOR_TRANSPORT_ERROR;
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	if (info->BIN_FLAG == flag)
		return USB_STOR_TRANSPORT_GOOD;

	switch (flag) {
	/* For SD */
	case SD_INIT1_PATTERN:
		US_DEBUGP("SD_INIT1_PATTERN\n");
		fw_name = "ene-ub6250/sd_init1.bin";
		break;
	case SD_INIT2_PATTERN:
		US_DEBUGP("SD_INIT2_PATTERN\n");
		fw_name = "ene-ub6250/sd_init2.bin";
		break;
	case SD_RW_PATTERN:
		US_DEBUGP("SD_RDWR_PATTERN\n");
		fw_name = "ene-ub6250/sd_rdwr.bin";
		break;
	/* For MS */
	case MS_INIT_PATTERN:
		US_DEBUGP("MS_INIT_PATTERN\n");
		fw_name = "ene-ub6250/ms_init.bin";
		break;
	case MSP_RW_PATTERN:
		US_DEBUGP("MSP_RW_PATTERN\n");
		fw_name = "ene-ub6250/msp_rdwr.bin";
		break;
	case MS_RW_PATTERN:
		US_DEBUGP("MS_RW_PATTERN\n");
		fw_name = "ene-ub6250/ms_rdwr.bin";
		break;
	default:
		US_DEBUGP("----------- Unknown PATTERN ----------\n");
		goto nofw;
	}

	err = request_firmware(&sd_fw, fw_name, &us->pusb_dev->dev);
	if (err) {
		US_DEBUGP("load firmware %s failed\n", fw_name);
		goto nofw;
	}
	buf = kmalloc(sd_fw->size, GFP_KERNEL);
	if (buf == NULL) {
		US_DEBUGP("Malloc memory for fireware failed!\n");
		goto nofw;
	}
	memcpy(buf, sd_fw->data, sd_fw->size);
	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = sd_fw->size;
	bcb->Flags = 0x00;
	bcb->CDB[0] = 0xEF;

	result = ene_send_scsi_cmd(us, FDIR_WRITE, buf, 0);
	info->BIN_FLAG = flag;
	kfree(buf);

nofw:
	if (sd_fw != NULL) {
		release_firmware(sd_fw);
		sd_fw = NULL;
	}

	return result;
}

static int ms_card_init(struct us_data *us)
{
	u32 result;
	u16 TmpBlock;
	unsigned char *PageBuffer0 = NULL, *PageBuffer1 = NULL;
	struct ms_lib_type_extdat extdat;
	u16 btBlk1st, btBlk2nd;
	u32 btBlk1stErred;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	printk(KERN_INFO "MS_CardInit start\n");

	ms_lib_free_allocatedarea(us); /* Clean buffer and set struct us_data flag to 0 */

	/* get two PageBuffer */
	PageBuffer0 = kmalloc(MS_BYTES_PER_PAGE, GFP_KERNEL);
	PageBuffer1 = kmalloc(MS_BYTES_PER_PAGE, GFP_KERNEL);
	if ((PageBuffer0 == NULL) || (PageBuffer1 == NULL)) {
		result = MS_NO_MEMORY_ERROR;
		goto exit;
	}

	btBlk1st = btBlk2nd = MS_LB_NOT_USED;
	btBlk1stErred = 0;

	for (TmpBlock = 0; TmpBlock < MS_MAX_INITIAL_ERROR_BLOCKS+2; TmpBlock++) {

		switch (ms_read_readpage(us, TmpBlock, 0, (u32 *)PageBuffer0, &extdat)) {
		case MS_STATUS_SUCCESS:
			break;
		case MS_STATUS_INT_ERROR:
			break;
		case MS_STATUS_ERROR:
		default:
			continue;
		}

		if ((extdat.ovrflg & MS_REG_OVR_BKST) == MS_REG_OVR_BKST_NG)
			continue;

		if (((extdat.mngflg & MS_REG_MNG_SYSFLG) == MS_REG_MNG_SYSFLG_USER) ||
			(be16_to_cpu(((struct ms_bootblock_page0 *)PageBuffer0)->header.wBlockID) != MS_BOOT_BLOCK_ID) ||
			(be16_to_cpu(((struct ms_bootblock_page0 *)PageBuffer0)->header.wFormatVersion) != MS_BOOT_BLOCK_FORMAT_VERSION) ||
			(((struct ms_bootblock_page0 *)PageBuffer0)->header.bNumberOfDataEntry != MS_BOOT_BLOCK_DATA_ENTRIES))
				continue;

		if (btBlk1st != MS_LB_NOT_USED) {
			btBlk2nd = TmpBlock;
			break;
		}

		btBlk1st = TmpBlock;
		memcpy(PageBuffer1, PageBuffer0, MS_BYTES_PER_PAGE);
		if (extdat.status1 & (MS_REG_ST1_DTER | MS_REG_ST1_EXER | MS_REG_ST1_FGER))
			btBlk1stErred = 1;
	}

	if (btBlk1st == MS_LB_NOT_USED) {
		result = MS_STATUS_ERROR;
		goto exit;
	}

	/* write protect */
	if ((extdat.status0 & MS_REG_ST0_WP) == MS_REG_ST0_WP_ON)
		ms_lib_ctrl_set(info, MS_LIB_CTRL_WRPROTECT);

	result = MS_STATUS_ERROR;
	/* 1st Boot Block */
	if (btBlk1stErred == 0)
		result = ms_lib_process_bootblock(us, btBlk1st, PageBuffer1);
		/* 1st */
	/* 2nd Boot Block */
	if (result && (btBlk2nd != MS_LB_NOT_USED))
		result = ms_lib_process_bootblock(us, btBlk2nd, PageBuffer0);

	if (result) {
		result = MS_STATUS_ERROR;
		goto exit;
	}

	for (TmpBlock = 0; TmpBlock < btBlk1st; TmpBlock++)
		info->MS_Lib.Phy2LogMap[TmpBlock] = MS_LB_INITIAL_ERROR;

	info->MS_Lib.Phy2LogMap[btBlk1st] = MS_LB_BOOT_BLOCK;

	if (btBlk2nd != MS_LB_NOT_USED) {
		for (TmpBlock = btBlk1st + 1; TmpBlock < btBlk2nd; TmpBlock++)
			info->MS_Lib.Phy2LogMap[TmpBlock] = MS_LB_INITIAL_ERROR;

		info->MS_Lib.Phy2LogMap[btBlk2nd] = MS_LB_BOOT_BLOCK;
	}

	result = ms_lib_scan_logicalblocknumber(us, btBlk1st);
	if (result)
		goto exit;

	for (TmpBlock = MS_PHYSICAL_BLOCKS_PER_SEGMENT;
		TmpBlock < info->MS_Lib.NumberOfPhyBlock;
		TmpBlock += MS_PHYSICAL_BLOCKS_PER_SEGMENT) {
		if (ms_count_freeblock(us, TmpBlock) == 0) {
			ms_lib_ctrl_set(info, MS_LIB_CTRL_WRPROTECT);
			break;
		}
	}

	/* write */
	if (ms_lib_alloc_writebuf(us)) {
		result = MS_NO_MEMORY_ERROR;
		goto exit;
	}

	result = MS_STATUS_SUCCESS;

exit:
	kfree(PageBuffer1);
	kfree(PageBuffer0);

	printk(KERN_INFO "MS_CardInit end\n");
	return result;
}

static int ene_ms_init(struct us_data *us)
{
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	int result;
	u8 buf[0x200];
	u16 MSP_BlockSize, MSP_UserAreaBlocks;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	printk(KERN_INFO "transport --- ENE_MSInit\n");

	/* the same part to test ENE */

	result = ene_load_bincode(us, MS_INIT_PATTERN);
	if (result != USB_STOR_XFER_GOOD) {
		printk(KERN_ERR "Load MS Init Code Fail !!\n");
		return USB_STOR_TRANSPORT_ERROR;
	}

	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = 0x200;
	bcb->Flags      = 0x80;
	bcb->CDB[0]     = 0xF1;
	bcb->CDB[1]     = 0x01;

	result = ene_send_scsi_cmd(us, FDIR_READ, &buf, 0);
	if (result != USB_STOR_XFER_GOOD) {
		printk(KERN_ERR "Execution MS Init Code Fail !!\n");
		return USB_STOR_TRANSPORT_ERROR;
	}
	/* the same part to test ENE */
	info->MS_Status = *(struct MS_STATUS *)&buf[0];

	if (info->MS_Status.Insert && info->MS_Status.Ready) {
		printk(KERN_INFO "Insert     = %x\n", info->MS_Status.Insert);
		printk(KERN_INFO "Ready      = %x\n", info->MS_Status.Ready);
		printk(KERN_INFO "IsMSPro    = %x\n", info->MS_Status.IsMSPro);
		printk(KERN_INFO "IsMSPHG    = %x\n", info->MS_Status.IsMSPHG);
		printk(KERN_INFO "WtP= %x\n", info->MS_Status.WtP);
		if (info->MS_Status.IsMSPro) {
			MSP_BlockSize      = (buf[6] << 8) | buf[7];
			MSP_UserAreaBlocks = (buf[10] << 8) | buf[11];
			info->MSP_TotalBlock = MSP_BlockSize * MSP_UserAreaBlocks;
		} else {
			ms_card_init(us); /* Card is MS (to ms.c)*/
		}
		US_DEBUGP("MS Init Code OK !!\n");
	} else {
		US_DEBUGP("MS Card Not Ready --- %x\n", buf[0]);
		return USB_STOR_TRANSPORT_ERROR;
	}

	return USB_STOR_TRANSPORT_GOOD;
}

static int ene_sd_init(struct us_data *us)
{
	int result;
	u8  buf[0x200];
	struct bulk_cb_wrap *bcb = (struct bulk_cb_wrap *) us->iobuf;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *) us->extra;

	US_DEBUGP("transport --- ENE_SDInit\n");
	/* SD Init Part-1 */
	result = ene_load_bincode(us, SD_INIT1_PATTERN);
	if (result != USB_STOR_XFER_GOOD) {
		US_DEBUGP("Load SD Init Code Part-1 Fail !!\n");
		return USB_STOR_TRANSPORT_ERROR;
	}

	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->Flags = 0x80;
	bcb->CDB[0] = 0xF2;

	result = ene_send_scsi_cmd(us, FDIR_READ, NULL, 0);
	if (result != USB_STOR_XFER_GOOD) {
		US_DEBUGP("Execution SD Init Code Fail !!\n");
		return USB_STOR_TRANSPORT_ERROR;
	}

	/* SD Init Part-2 */
	result = ene_load_bincode(us, SD_INIT2_PATTERN);
	if (result != USB_STOR_XFER_GOOD) {
		US_DEBUGP("Load SD Init Code Part-2 Fail !!\n");
		return USB_STOR_TRANSPORT_ERROR;
	}

	memset(bcb, 0, sizeof(struct bulk_cb_wrap));
	bcb->Signature = cpu_to_le32(US_BULK_CB_SIGN);
	bcb->DataTransferLength = 0x200;
	bcb->Flags              = 0x80;
	bcb->CDB[0]             = 0xF1;

	result = ene_send_scsi_cmd(us, FDIR_READ, &buf, 0);
	if (result != USB_STOR_XFER_GOOD) {
		US_DEBUGP("Execution SD Init Code Fail !!\n");
		return USB_STOR_TRANSPORT_ERROR;
	}

	info->SD_Status =  *(struct SD_STATUS *)&buf[0];
	if (info->SD_Status.Insert && info->SD_Status.Ready) {
		ene_get_card_status(us, (unsigned char *)&buf);
		US_DEBUGP("Insert     = %x\n", info->SD_Status.Insert);
		US_DEBUGP("Ready      = %x\n", info->SD_Status.Ready);
		US_DEBUGP("IsMMC      = %x\n", info->SD_Status.IsMMC);
		US_DEBUGP("HiCapacity = %x\n", info->SD_Status.HiCapacity);
		US_DEBUGP("HiSpeed    = %x\n", info->SD_Status.HiSpeed);
		US_DEBUGP("WtP        = %x\n", info->SD_Status.WtP);
	} else {
		US_DEBUGP("SD Card Not Ready --- %x\n", buf[0]);
		return USB_STOR_TRANSPORT_ERROR;
	}
	return USB_STOR_TRANSPORT_GOOD;
}


static int ene_init(struct us_data *us)
{
	int result;
	u8  misc_reg03 = 0;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);

	result = ene_get_card_type(us, REG_CARD_STATUS, &misc_reg03);
	if (result != USB_STOR_XFER_GOOD)
		return USB_STOR_TRANSPORT_ERROR;

	if (misc_reg03 & 0x01) {
		if (!info->SD_Status.Ready) {
			result = ene_sd_init(us);
			if (result != USB_STOR_XFER_GOOD)
				return USB_STOR_TRANSPORT_ERROR;
		}
	}
	if (misc_reg03 & 0x02) {
		if (!info->MS_Status.Ready) {
			result = ene_ms_init(us);
			if (result != USB_STOR_XFER_GOOD)
				return USB_STOR_TRANSPORT_ERROR;
		}
	}
	return result;
}

/*----- sd_scsi_irp() ---------*/
static int sd_scsi_irp(struct us_data *us, struct scsi_cmnd *srb)
{
	int    result;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *)us->extra;

	info->SrbStatus = SS_SUCCESS;
	switch (srb->cmnd[0]) {
	case TEST_UNIT_READY:
		result = sd_scsi_test_unit_ready(us, srb);
		break; /* 0x00 */
	case INQUIRY:
		result = sd_scsi_inquiry(us, srb);
		break; /* 0x12 */
	case MODE_SENSE:
		result = sd_scsi_mode_sense(us, srb);
		break; /* 0x1A */
	/*
	case START_STOP:
		result = SD_SCSI_Start_Stop(us, srb);
		break; //0x1B
	*/
	case READ_CAPACITY:
		result = sd_scsi_read_capacity(us, srb);
		break; /* 0x25 */
	case READ_10:
		result = sd_scsi_read(us, srb);
		break; /* 0x28 */
	case WRITE_10:
		result = sd_scsi_write(us, srb);
		break; /* 0x2A */
	default:
		info->SrbStatus = SS_ILLEGAL_REQUEST;
		result = USB_STOR_TRANSPORT_FAILED;
		break;
	}
	return result;
}

/*
 * ms_scsi_irp()
 */
int ms_scsi_irp(struct us_data *us, struct scsi_cmnd *srb)
{
	int result;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *)us->extra;
	info->SrbStatus = SS_SUCCESS;
	switch (srb->cmnd[0]) {
	case TEST_UNIT_READY:
		result = ms_scsi_test_unit_ready(us, srb);
		break; /* 0x00 */
	case INQUIRY:
		result = ms_scsi_inquiry(us, srb);
		break; /* 0x12 */
	case MODE_SENSE:
		result = ms_scsi_mode_sense(us, srb);
		break; /* 0x1A */
	case READ_CAPACITY:
		result = ms_scsi_read_capacity(us, srb);
		break; /* 0x25 */
	case READ_10:
		result = ms_scsi_read(us, srb);
		break; /* 0x28 */
	case WRITE_10:
		result = ms_scsi_write(us, srb);
		break;  /* 0x2A */
	default:
		info->SrbStatus = SS_ILLEGAL_REQUEST;
		result = USB_STOR_TRANSPORT_FAILED;
		break;
	}
	return result;
}

static int ene_transport(struct scsi_cmnd *srb, struct us_data *us)
{
	int result = 0;
	struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);

	/*US_DEBUG(usb_stor_show_command(srb)); */
	scsi_set_resid(srb, 0);
	if (unlikely(!(info->SD_Status.Ready || info->MS_Status.Ready))) {
		result = ene_init(us);
	} else {
		if (info->SD_Status.Ready)
			result = sd_scsi_irp(us, srb);

		if (info->MS_Status.Ready)
			result = ms_scsi_irp(us, srb);
	}
	return 0;
}


static int ene_ub6250_probe(struct usb_interface *intf,
			 const struct usb_device_id *id)
{
	int result;
	u8  misc_reg03 = 0;
	struct us_data *us;

	result = usb_stor_probe1(&us, intf, id,
		   (id - ene_ub6250_usb_ids) + ene_ub6250_unusual_dev_list);
	if (result)
		return result;

	/* FIXME: where should the code alloc extra buf ? */
	if (!us->extra) {
		us->extra = kzalloc(sizeof(struct ene_ub6250_info), GFP_KERNEL);
		if (!us->extra)
			return -ENOMEM;
		us->extra_destructor = ene_ub6250_info_destructor;
	}

	us->transport_name = "ene_ub6250";
	us->transport = ene_transport;
	us->max_lun = 0;

	result = usb_stor_probe2(us);
	if (result)
		return result;

	/* probe card type */
	result = ene_get_card_type(us, REG_CARD_STATUS, &misc_reg03);
	if (result != USB_STOR_XFER_GOOD) {
		usb_stor_disconnect(intf);
		return USB_STOR_TRANSPORT_ERROR;
	}

	if (!(misc_reg03 & 0x01)) {
		pr_info("ums_eneub6250: The driver only supports SD/MS card. "
			"To use SM card, please build driver/staging/keucr\n");
	}

	return result;
}


#ifdef CONFIG_PM

static int ene_ub6250_resume(struct usb_interface *iface)
{
	u8 tmp = 0;
	struct us_data *us = usb_get_intfdata(iface);
	struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);

	mutex_lock(&us->dev_mutex);

	US_DEBUGP("%s\n", __func__);
	if (us->suspend_resume_hook)
		(us->suspend_resume_hook)(us, US_RESUME);

	mutex_unlock(&us->dev_mutex);

	info->Power_IsResum = true;
	/*info->SD_Status.Ready = 0; */
	info->SD_Status = *(struct SD_STATUS *)&tmp;
	info->MS_Status = *(struct MS_STATUS *)&tmp;
	info->SM_Status = *(struct SM_STATUS *)&tmp;

	return 0;
}

static int ene_ub6250_reset_resume(struct usb_interface *iface)
{
	u8 tmp = 0;
	struct us_data *us = usb_get_intfdata(iface);
	struct ene_ub6250_info *info = (struct ene_ub6250_info *)(us->extra);
	US_DEBUGP("%s\n", __func__);
	/* Report the reset to the SCSI core */
	usb_stor_reset_resume(iface);

	/* FIXME: Notify the subdrivers that they need to reinitialize
	 * the device */
	info->Power_IsResum = true;
	/*info->SD_Status.Ready = 0; */
	info->SD_Status = *(struct SD_STATUS *)&tmp;
	info->MS_Status = *(struct MS_STATUS *)&tmp;
	info->SM_Status = *(struct SM_STATUS *)&tmp;

	return 0;
}

#else

#define ene_ub6250_resume		NULL
#define ene_ub6250_reset_resume		NULL

#endif

static struct usb_driver ene_ub6250_driver = {
	.name =		"ums_eneub6250",
	.probe =	ene_ub6250_probe,
	.disconnect =	usb_stor_disconnect,
	.suspend =	usb_stor_suspend,
	.resume =	ene_ub6250_resume,
	.reset_resume =	ene_ub6250_reset_resume,
	.pre_reset =	usb_stor_pre_reset,
	.post_reset =	usb_stor_post_reset,
	.id_table =	ene_ub6250_usb_ids,
	.soft_unbind =	1,
};

module_usb_driver(ene_ub6250_driver);