summaryrefslogtreecommitdiff
path: root/drivers/media/usb/gspca/sn9c20x.c
blob: f4453d52801b94140cc1201f437ba68fec694095 (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
/*
 *	Sonix sn9c201 sn9c202 library
 *
 * Copyright (C) 2012 Jean-Francois Moine <http://moinejf.free.fr>
 *	Copyright (C) 2008-2009 microdia project <microdia@googlegroups.com>
 *	Copyright (C) 2009 Brian Johnson <brijohn@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/input.h>

#include "gspca.h"
#include "jpeg.h"

#include <linux/dmi.h>

MODULE_AUTHOR("Brian Johnson <brijohn@gmail.com>, "
		"microdia project <microdia@googlegroups.com>");
MODULE_DESCRIPTION("GSPCA/SN9C20X USB Camera Driver");
MODULE_LICENSE("GPL");

/*
 * Pixel format private data
 */
#define SCALE_MASK	0x0f
#define SCALE_160x120	0
#define SCALE_320x240	1
#define SCALE_640x480	2
#define SCALE_1280x1024	3
#define MODE_RAW	0x10
#define MODE_JPEG	0x20
#define MODE_SXGA	0x80

#define SENSOR_OV9650	0
#define SENSOR_OV9655	1
#define SENSOR_SOI968	2
#define SENSOR_OV7660	3
#define SENSOR_OV7670	4
#define SENSOR_MT9V011	5
#define SENSOR_MT9V111	6
#define SENSOR_MT9V112	7
#define SENSOR_MT9M001	8
#define SENSOR_MT9M111	9
#define SENSOR_MT9M112  10
#define SENSOR_HV7131R	11
#define SENSOR_MT9VPRB	12

/* camera flags */
#define HAS_NO_BUTTON	0x1
#define LED_REVERSE	0x2 /* some cameras unset gpio to turn on leds */
#define FLIP_DETECT	0x4

/* specific webcam descriptor */
struct sd {
	struct gspca_dev gspca_dev;

	struct { /* color control cluster */
		struct v4l2_ctrl *brightness;
		struct v4l2_ctrl *contrast;
		struct v4l2_ctrl *saturation;
		struct v4l2_ctrl *hue;
	};
	struct { /* blue/red balance control cluster */
		struct v4l2_ctrl *blue;
		struct v4l2_ctrl *red;
	};
	struct { /* h/vflip control cluster */
		struct v4l2_ctrl *hflip;
		struct v4l2_ctrl *vflip;
	};
	struct v4l2_ctrl *gamma;
	struct { /* autogain and exposure or gain control cluster */
		struct v4l2_ctrl *autogain;
		struct v4l2_ctrl *exposure;
		struct v4l2_ctrl *gain;
	};
	struct v4l2_ctrl *jpegqual;

	struct work_struct work;
	struct workqueue_struct *work_thread;

	u32 pktsz;			/* (used by pkt_scan) */
	u16 npkt;
	s8 nchg;
	u8 fmt;				/* (used for JPEG QTAB update */

#define MIN_AVG_LUM 80
#define MAX_AVG_LUM 130
	atomic_t avg_lum;
	u8 old_step;
	u8 older_step;
	u8 exposure_step;

	u8 i2c_addr;
	u8 i2c_intf;
	u8 sensor;
	u8 hstart;
	u8 vstart;

	u8 jpeg_hdr[JPEG_HDR_SZ];

	u8 flags;
};

static void qual_upd(struct work_struct *work);

struct i2c_reg_u8 {
	u8 reg;
	u8 val;
};

struct i2c_reg_u16 {
	u8 reg;
	u16 val;
};

static const struct dmi_system_id flip_dmi_table[] = {
	{
		.ident = "MSI MS-1034",
		.matches = {
			DMI_MATCH(DMI_SYS_VENDOR, "MICRO-STAR INT'L CO.,LTD."),
			DMI_MATCH(DMI_PRODUCT_NAME, "MS-1034"),
			DMI_MATCH(DMI_PRODUCT_VERSION, "0341")
		}
	},
	{
		.ident = "MSI MS-1632",
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "MSI"),
			DMI_MATCH(DMI_BOARD_NAME, "MS-1632")
		}
	},
	{
		.ident = "MSI MS-1633X",
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "MSI"),
			DMI_MATCH(DMI_BOARD_NAME, "MS-1633X")
		}
	},
	{
		.ident = "MSI MS-1635X",
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "MSI"),
			DMI_MATCH(DMI_BOARD_NAME, "MS-1635X")
		}
	},
	{
		.ident = "ASUSTeK W7J",
		.matches = {
			DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
			DMI_MATCH(DMI_BOARD_NAME, "W7J       ")
		}
	},
	{}
};

static const struct v4l2_pix_format vga_mode[] = {
	{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120 * 4 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = SCALE_160x120 | MODE_JPEG},
	{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_160x120 | MODE_RAW},
	{160, 120, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 240 * 120,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_160x120},
	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 4 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = SCALE_320x240 | MODE_JPEG},
	{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 ,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_320x240 | MODE_RAW},
	{320, 240, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 480 * 240 ,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_320x240},
	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 4 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = SCALE_640x480 | MODE_JPEG},
	{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_640x480 | MODE_RAW},
	{640, 480, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 960 * 480,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_640x480},
};

static const struct v4l2_pix_format sxga_mode[] = {
	{160, 120, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120 * 4 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = SCALE_160x120 | MODE_JPEG},
	{160, 120, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_160x120 | MODE_RAW},
	{160, 120, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 240 * 120,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_160x120},
	{320, 240, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 4 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = SCALE_320x240 | MODE_JPEG},
	{320, 240, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 ,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_320x240 | MODE_RAW},
	{320, 240, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 480 * 240 ,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_320x240},
	{640, 480, V4L2_PIX_FMT_JPEG, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 4 / 8 + 590,
		.colorspace = V4L2_COLORSPACE_JPEG,
		.priv = SCALE_640x480 | MODE_JPEG},
	{640, 480, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_640x480 | MODE_RAW},
	{640, 480, V4L2_PIX_FMT_SN9C20X_I420, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 960 * 480,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_640x480},
	{1280, 1024, V4L2_PIX_FMT_SBGGR8, V4L2_FIELD_NONE,
		.bytesperline = 1280,
		.sizeimage = 1280 * 1024,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_1280x1024 | MODE_RAW | MODE_SXGA},
};

static const struct v4l2_pix_format mono_mode[] = {
	{160, 120, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_160x120 | MODE_RAW},
	{320, 240, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 ,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_320x240 | MODE_RAW},
	{640, 480, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_640x480 | MODE_RAW},
	{1280, 1024, V4L2_PIX_FMT_GREY, V4L2_FIELD_NONE,
		.bytesperline = 1280,
		.sizeimage = 1280 * 1024,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = SCALE_1280x1024 | MODE_RAW | MODE_SXGA},
};

static const s16 hsv_red_x[] = {
	41,  44,  46,  48,  50,  52,  54,  56,
	58,  60,  62,  64,  66,  68,  70,  72,
	74,  76,  78,  80,  81,  83,  85,  87,
	88,  90,  92,  93,  95,  97,  98, 100,
	101, 102, 104, 105, 107, 108, 109, 110,
	112, 113, 114, 115, 116, 117, 118, 119,
	120, 121, 122, 123, 123, 124, 125, 125,
	126, 127, 127, 128, 128, 129, 129, 129,
	130, 130, 130, 130, 131, 131, 131, 131,
	131, 131, 131, 131, 130, 130, 130, 130,
	129, 129, 129, 128, 128, 127, 127, 126,
	125, 125, 124, 123, 122, 122, 121, 120,
	119, 118, 117, 116, 115, 114, 112, 111,
	110, 109, 107, 106, 105, 103, 102, 101,
	99,  98,  96,  94,  93,  91,  90,  88,
	86,  84,  83,  81,  79,  77,  75,  74,
	72,  70,  68,  66,  64,  62,  60,  58,
	56,  54,  52,  49,  47,  45,  43,  41,
	39,  36,  34,  32,  30,  28,  25,  23,
	21,  19,  16,  14,  12,   9,   7,   5,
	3,   0,  -1,  -3,  -6,  -8, -10, -12,
	-15, -17, -19, -22, -24, -26, -28, -30,
	-33, -35, -37, -39, -41, -44, -46, -48,
	-50, -52, -54, -56, -58, -60, -62, -64,
	-66, -68, -70, -72, -74, -76, -78, -80,
	-81, -83, -85, -87, -88, -90, -92, -93,
	-95, -97, -98, -100, -101, -102, -104, -105,
	-107, -108, -109, -110, -112, -113, -114, -115,
	-116, -117, -118, -119, -120, -121, -122, -123,
	-123, -124, -125, -125, -126, -127, -127, -128,
	-128, -128, -128, -128, -128, -128, -128, -128,
	-128, -128, -128, -128, -128, -128, -128, -128,
	-128, -128, -128, -128, -128, -128, -128, -128,
	-128, -127, -127, -126, -125, -125, -124, -123,
	-122, -122, -121, -120, -119, -118, -117, -116,
	-115, -114, -112, -111, -110, -109, -107, -106,
	-105, -103, -102, -101, -99, -98, -96, -94,
	-93, -91, -90, -88, -86, -84, -83, -81,
	-79, -77, -75, -74, -72, -70, -68, -66,
	-64, -62, -60, -58, -56, -54, -52, -49,
	-47, -45, -43, -41, -39, -36, -34, -32,
	-30, -28, -25, -23, -21, -19, -16, -14,
	-12,  -9,  -7,  -5,  -3,   0,   1,   3,
	6,   8,  10,  12,  15,  17,  19,  22,
	24,  26,  28,  30,  33,  35,  37,  39, 41
};

static const s16 hsv_red_y[] = {
	82,  80,  78,  76,  74,  73,  71,  69,
	67,  65,  63,  61,  58,  56,  54,  52,
	50,  48,  46,  44,  41,  39,  37,  35,
	32,  30,  28,  26,  23,  21,  19,  16,
	14,  12,  10,   7,   5,   3,   0,  -1,
	-3,  -6,  -8, -10, -13, -15, -17, -19,
	-22, -24, -26, -29, -31, -33, -35, -38,
	-40, -42, -44, -46, -48, -51, -53, -55,
	-57, -59, -61, -63, -65, -67, -69, -71,
	-73, -75, -77, -79, -81, -82, -84, -86,
	-88, -89, -91, -93, -94, -96, -98, -99,
	-101, -102, -104, -105, -106, -108, -109, -110,
	-112, -113, -114, -115, -116, -117, -119, -120,
	-120, -121, -122, -123, -124, -125, -126, -126,
	-127, -128, -128, -128, -128, -128, -128, -128,
	-128, -128, -128, -128, -128, -128, -128, -128,
	-128, -128, -128, -128, -128, -128, -128, -128,
	-128, -128, -128, -128, -128, -128, -128, -128,
	-127, -127, -126, -125, -125, -124, -123, -122,
	-121, -120, -119, -118, -117, -116, -115, -114,
	-113, -111, -110, -109, -107, -106, -105, -103,
	-102, -100, -99, -97, -96, -94, -92, -91,
	-89, -87, -85, -84, -82, -80, -78, -76,
	-74, -73, -71, -69, -67, -65, -63, -61,
	-58, -56, -54, -52, -50, -48, -46, -44,
	-41, -39, -37, -35, -32, -30, -28, -26,
	-23, -21, -19, -16, -14, -12, -10,  -7,
	-5,  -3,   0,   1,   3,   6,   8,  10,
	13,  15,  17,  19,  22,  24,  26,  29,
	31,  33,  35,  38,  40,  42,  44,  46,
	48,  51,  53,  55,  57,  59,  61,  63,
	65,  67,  69,  71,  73,  75,  77,  79,
	81,  82,  84,  86,  88,  89,  91,  93,
	94,  96,  98,  99, 101, 102, 104, 105,
	106, 108, 109, 110, 112, 113, 114, 115,
	116, 117, 119, 120, 120, 121, 122, 123,
	124, 125, 126, 126, 127, 128, 128, 129,
	129, 130, 130, 131, 131, 131, 131, 132,
	132, 132, 132, 132, 132, 132, 132, 132,
	132, 132, 132, 131, 131, 131, 130, 130,
	130, 129, 129, 128, 127, 127, 126, 125,
	125, 124, 123, 122, 121, 120, 119, 118,
	117, 116, 115, 114, 113, 111, 110, 109,
	107, 106, 105, 103, 102, 100,  99,  97,
	96, 94, 92, 91, 89, 87, 85, 84, 82
};

static const s16 hsv_green_x[] = {
	-124, -124, -125, -125, -125, -125, -125, -125,
	-125, -126, -126, -125, -125, -125, -125, -125,
	-125, -124, -124, -124, -123, -123, -122, -122,
	-121, -121, -120, -120, -119, -118, -117, -117,
	-116, -115, -114, -113, -112, -111, -110, -109,
	-108, -107, -105, -104, -103, -102, -100, -99,
	-98, -96, -95, -93, -92, -91, -89, -87,
	-86, -84, -83, -81, -79, -77, -76, -74,
	-72, -70, -69, -67, -65, -63, -61, -59,
	-57, -55, -53, -51, -49, -47, -45, -43,
	-41, -39, -37, -35, -33, -30, -28, -26,
	-24, -22, -20, -18, -15, -13, -11,  -9,
	-7,  -4,  -2,   0,   1,   3,   6,   8,
	10,  12,  14,  17,  19,  21,  23,  25,
	27,  29,  32,  34,  36,  38,  40,  42,
	44,  46,  48,  50,  52,  54,  56,  58,
	60,  62,  64,  66,  68,  70,  71,  73,
	75,  77,  78,  80,  82,  83,  85,  87,
	88,  90,  91,  93,  94,  96,  97,  98,
	100, 101, 102, 104, 105, 106, 107, 108,
	109, 111, 112, 113, 113, 114, 115, 116,
	117, 118, 118, 119, 120, 120, 121, 122,
	122, 123, 123, 124, 124, 124, 125, 125,
	125, 125, 125, 125, 125, 126, 126, 125,
	125, 125, 125, 125, 125, 124, 124, 124,
	123, 123, 122, 122, 121, 121, 120, 120,
	119, 118, 117, 117, 116, 115, 114, 113,
	112, 111, 110, 109, 108, 107, 105, 104,
	103, 102, 100,  99,  98,  96,  95,  93,
	92,  91,  89,  87,  86,  84,  83,  81,
	79,  77,  76,  74,  72,  70,  69,  67,
	65,  63,  61,  59,  57,  55,  53,  51,
	49,  47,  45,  43,  41,  39,  37,  35,
	33,  30,  28,  26,  24,  22,  20,  18,
	15,  13,  11,   9,   7,   4,   2,   0,
	-1,  -3,  -6,  -8, -10, -12, -14, -17,
	-19, -21, -23, -25, -27, -29, -32, -34,
	-36, -38, -40, -42, -44, -46, -48, -50,
	-52, -54, -56, -58, -60, -62, -64, -66,
	-68, -70, -71, -73, -75, -77, -78, -80,
	-82, -83, -85, -87, -88, -90, -91, -93,
	-94, -96, -97, -98, -100, -101, -102, -104,
	-105, -106, -107, -108, -109, -111, -112, -113,
	-113, -114, -115, -116, -117, -118, -118, -119,
	-120, -120, -121, -122, -122, -123, -123, -124, -124
};

static const s16 hsv_green_y[] = {
	-100, -99, -98, -97, -95, -94, -93, -91,
	-90, -89, -87, -86, -84, -83, -81, -80,
	-78, -76, -75, -73, -71, -70, -68, -66,
	-64, -63, -61, -59, -57, -55, -53, -51,
	-49, -48, -46, -44, -42, -40, -38, -36,
	-34, -32, -30, -27, -25, -23, -21, -19,
	-17, -15, -13, -11,  -9,  -7,  -4,  -2,
	0,   1,   3,   5,   7,   9,  11,  14,
	16,  18,  20,  22,  24,  26,  28,  30,
	32,  34,  36,  38,  40,  42,  44,  46,
	48,  50,  52,  54,  56,  58,  59,  61,
	63,  65,  67,  68,  70,  72,  74,  75,
	77,  78,  80,  82,  83,  85,  86,  88,
	89,  90,  92,  93,  95,  96,  97,  98,
	100, 101, 102, 103, 104, 105, 106, 107,
	108, 109, 110, 111, 112, 112, 113, 114,
	115, 115, 116, 116, 117, 117, 118, 118,
	119, 119, 119, 120, 120, 120, 120, 120,
	121, 121, 121, 121, 121, 121, 120, 120,
	120, 120, 120, 119, 119, 119, 118, 118,
	117, 117, 116, 116, 115, 114, 114, 113,
	112, 111, 111, 110, 109, 108, 107, 106,
	105, 104, 103, 102, 100,  99,  98,  97,
	95,  94,  93,  91,  90,  89,  87,  86,
	84,  83,  81,  80,  78,  76,  75,  73,
	71,  70,  68,  66,  64,  63,  61,  59,
	57,  55,  53,  51,  49,  48,  46,  44,
	42,  40,  38,  36,  34,  32,  30,  27,
	25,  23,  21,  19,  17,  15,  13,  11,
	9,   7,   4,   2,   0,  -1,  -3,  -5,
	-7,  -9, -11, -14, -16, -18, -20, -22,
	-24, -26, -28, -30, -32, -34, -36, -38,
	-40, -42, -44, -46, -48, -50, -52, -54,
	-56, -58, -59, -61, -63, -65, -67, -68,
	-70, -72, -74, -75, -77, -78, -80, -82,
	-83, -85, -86, -88, -89, -90, -92, -93,
	-95, -96, -97, -98, -100, -101, -102, -103,
	-104, -105, -106, -107, -108, -109, -110, -111,
	-112, -112, -113, -114, -115, -115, -116, -116,
	-117, -117, -118, -118, -119, -119, -119, -120,
	-120, -120, -120, -120, -121, -121, -121, -121,
	-121, -121, -120, -120, -120, -120, -120, -119,
	-119, -119, -118, -118, -117, -117, -116, -116,
	-115, -114, -114, -113, -112, -111, -111, -110,
	-109, -108, -107, -106, -105, -104, -103, -102, -100
};

static const s16 hsv_blue_x[] = {
	112, 113, 114, 114, 115, 116, 117, 117,
	118, 118, 119, 119, 120, 120, 120, 121,
	121, 121, 122, 122, 122, 122, 122, 122,
	122, 122, 122, 122, 122, 122, 121, 121,
	121, 120, 120, 120, 119, 119, 118, 118,
	117, 116, 116, 115, 114, 113, 113, 112,
	111, 110, 109, 108, 107, 106, 105, 104,
	103, 102, 100,  99,  98,  97,  95,  94,
	93,  91,  90,  88,  87,  85,  84,  82,
	80,  79,  77,  76,  74,  72,  70,  69,
	67,  65,  63,  61,  60,  58,  56,  54,
	52,  50,  48,  46,  44,  42,  40,  38,
	36,  34,  32,  30,  28,  26,  24,  22,
	19,  17,  15,  13,  11,   9,   7,   5,
	2,   0,  -1,  -3,  -5,  -7,  -9, -12,
	-14, -16, -18, -20, -22, -24, -26, -28,
	-31, -33, -35, -37, -39, -41, -43, -45,
	-47, -49, -51, -53, -54, -56, -58, -60,
	-62, -64, -66, -67, -69, -71, -73, -74,
	-76, -78, -79, -81, -83, -84, -86, -87,
	-89, -90, -92, -93, -94, -96, -97, -98,
	-99, -101, -102, -103, -104, -105, -106, -107,
	-108, -109, -110, -111, -112, -113, -114, -114,
	-115, -116, -117, -117, -118, -118, -119, -119,
	-120, -120, -120, -121, -121, -121, -122, -122,
	-122, -122, -122, -122, -122, -122, -122, -122,
	-122, -122, -121, -121, -121, -120, -120, -120,
	-119, -119, -118, -118, -117, -116, -116, -115,
	-114, -113, -113, -112, -111, -110, -109, -108,
	-107, -106, -105, -104, -103, -102, -100, -99,
	-98, -97, -95, -94, -93, -91, -90, -88,
	-87, -85, -84, -82, -80, -79, -77, -76,
	-74, -72, -70, -69, -67, -65, -63, -61,
	-60, -58, -56, -54, -52, -50, -48, -46,
	-44, -42, -40, -38, -36, -34, -32, -30,
	-28, -26, -24, -22, -19, -17, -15, -13,
	-11,  -9,  -7,  -5,  -2,   0,   1,   3,
	5,   7,   9,  12,  14,  16,  18,  20,
	22,  24,  26,  28,  31,  33,  35,  37,
	39,  41,  43,  45,  47,  49,  51,  53,
	54,  56,  58,  60,  62,  64,  66,  67,
	69,  71,  73,  74,  76,  78,  79,  81,
	83,  84,  86,  87,  89,  90,  92,  93,
	94,  96,  97,  98,  99, 101, 102, 103,
	104, 105, 106, 107, 108, 109, 110, 111, 112
};

static const s16 hsv_blue_y[] = {
	-11, -13, -15, -17, -19, -21, -23, -25,
	-27, -29, -31, -33, -35, -37, -39, -41,
	-43, -45, -46, -48, -50, -52, -54, -55,
	-57, -59, -61, -62, -64, -66, -67, -69,
	-71, -72, -74, -75, -77, -78, -80, -81,
	-83, -84, -86, -87, -88, -90, -91, -92,
	-93, -95, -96, -97, -98, -99, -100, -101,
	-102, -103, -104, -105, -106, -106, -107, -108,
	-109, -109, -110, -111, -111, -112, -112, -113,
	-113, -114, -114, -114, -115, -115, -115, -115,
	-116, -116, -116, -116, -116, -116, -116, -116,
	-116, -115, -115, -115, -115, -114, -114, -114,
	-113, -113, -112, -112, -111, -111, -110, -110,
	-109, -108, -108, -107, -106, -105, -104, -103,
	-102, -101, -100, -99, -98, -97, -96, -95,
	-94, -93, -91, -90, -89, -88, -86, -85,
	-84, -82, -81, -79, -78, -76, -75, -73,
	-71, -70, -68, -67, -65, -63, -62, -60,
	-58, -56, -55, -53, -51, -49, -47, -45,
	-44, -42, -40, -38, -36, -34, -32, -30,
	-28, -26, -24, -22, -20, -18, -16, -14,
	-12, -10,  -8,  -6,  -4,  -2,   0,   1,
	3,   5,   7,   9,  11,  13,  15,  17,
	19,  21,  23,  25,  27,  29,  31,  33,
	35,  37,  39,  41,  43,  45,  46,  48,
	50,  52,  54,  55,  57,  59,  61,  62,
	64,  66,  67,  69,  71,  72,  74,  75,
	77,  78,  80,  81,  83,  84,  86,  87,
	88,  90,  91,  92,  93,  95,  96,  97,
	98,  99, 100, 101, 102, 103, 104, 105,
	106, 106, 107, 108, 109, 109, 110, 111,
	111, 112, 112, 113, 113, 114, 114, 114,
	115, 115, 115, 115, 116, 116, 116, 116,
	116, 116, 116, 116, 116, 115, 115, 115,
	115, 114, 114, 114, 113, 113, 112, 112,
	111, 111, 110, 110, 109, 108, 108, 107,
	106, 105, 104, 103, 102, 101, 100,  99,
	98,  97,  96,  95,  94,  93,  91,  90,
	89,  88,  86,  85,  84,  82,  81,  79,
	78,  76,  75,  73,  71,  70,  68,  67,
	65,  63,  62,  60,  58,  56,  55,  53,
	51,  49,  47,  45,  44,  42,  40,  38,
	36,  34,  32,  30,  28,  26,  24,  22,
	20,  18,  16,  14,  12,  10,   8,   6,
	4,   2,   0,  -1,  -3,  -5,  -7,  -9, -11
};

static const u16 bridge_init[][2] = {
	{0x1000, 0x78}, {0x1001, 0x40}, {0x1002, 0x1c},
	{0x1020, 0x80}, {0x1061, 0x01}, {0x1067, 0x40},
	{0x1068, 0x30}, {0x1069, 0x20},	{0x106a, 0x10},
	{0x106b, 0x08},	{0x1188, 0x87},	{0x11a1, 0x00},
	{0x11a2, 0x00},	{0x11a3, 0x6a},	{0x11a4, 0x50},
	{0x11ab, 0x00},	{0x11ac, 0x00},	{0x11ad, 0x50},
	{0x11ae, 0x3c},	{0x118a, 0x04},	{0x0395, 0x04},
	{0x11b8, 0x3a},	{0x118b, 0x0e},	{0x10f7, 0x05},
	{0x10f8, 0x14},	{0x10fa, 0xff},	{0x10f9, 0x00},
	{0x11ba, 0x0a},	{0x11a5, 0x2d},	{0x11a6, 0x2d},
	{0x11a7, 0x3a},	{0x11a8, 0x05},	{0x11a9, 0x04},
	{0x11aa, 0x3f},	{0x11af, 0x28},	{0x11b0, 0xd8},
	{0x11b1, 0x14},	{0x11b2, 0xec},	{0x11b3, 0x32},
	{0x11b4, 0xdd},	{0x11b5, 0x32},	{0x11b6, 0xdd},
	{0x10e0, 0x2c},	{0x11bc, 0x40},	{0x11bd, 0x01},
	{0x11be, 0xf0},	{0x11bf, 0x00},	{0x118c, 0x1f},
	{0x118d, 0x1f},	{0x118e, 0x1f},	{0x118f, 0x1f},
	{0x1180, 0x01},	{0x1181, 0x00},	{0x1182, 0x01},
	{0x1183, 0x00},	{0x1184, 0x50},	{0x1185, 0x80},
	{0x1007, 0x00}
};

/* Gain = (bit[3:0] / 16 + 1) * (bit[4] + 1) * (bit[5] + 1) * (bit[6] + 1) */
static const u8 ov_gain[] = {
	0x00 /* 1x */, 0x04 /* 1.25x */, 0x08 /* 1.5x */, 0x0c /* 1.75x */,
	0x10 /* 2x */, 0x12 /* 2.25x */, 0x14 /* 2.5x */, 0x16 /* 2.75x */,
	0x18 /* 3x */, 0x1a /* 3.25x */, 0x1c /* 3.5x */, 0x1e /* 3.75x */,
	0x30 /* 4x */, 0x31 /* 4.25x */, 0x32 /* 4.5x */, 0x33 /* 4.75x */,
	0x34 /* 5x */, 0x35 /* 5.25x */, 0x36 /* 5.5x */, 0x37 /* 5.75x */,
	0x38 /* 6x */, 0x39 /* 6.25x */, 0x3a /* 6.5x */, 0x3b /* 6.75x */,
	0x3c /* 7x */, 0x3d /* 7.25x */, 0x3e /* 7.5x */, 0x3f /* 7.75x */,
	0x70 /* 8x */
};

/* Gain = (bit[8] + 1) * (bit[7] + 1) * (bit[6:0] * 0.03125) */
static const u16 micron1_gain[] = {
	/* 1x   1.25x   1.5x    1.75x */
	0x0020, 0x0028, 0x0030, 0x0038,
	/* 2x   2.25x   2.5x    2.75x */
	0x00a0, 0x00a4, 0x00a8, 0x00ac,
	/* 3x   3.25x   3.5x    3.75x */
	0x00b0, 0x00b4, 0x00b8, 0x00bc,
	/* 4x   4.25x   4.5x    4.75x */
	0x00c0, 0x00c4, 0x00c8, 0x00cc,
	/* 5x   5.25x   5.5x    5.75x */
	0x00d0, 0x00d4, 0x00d8, 0x00dc,
	/* 6x   6.25x   6.5x    6.75x */
	0x00e0, 0x00e4, 0x00e8, 0x00ec,
	/* 7x   7.25x   7.5x    7.75x */
	0x00f0, 0x00f4, 0x00f8, 0x00fc,
	/* 8x */
	0x01c0
};

/* mt9m001 sensor uses a different gain formula then other micron sensors */
/* Gain = (bit[6] + 1) * (bit[5-0] * 0.125) */
static const u16 micron2_gain[] = {
	/* 1x   1.25x   1.5x    1.75x */
	0x0008, 0x000a, 0x000c, 0x000e,
	/* 2x   2.25x   2.5x    2.75x */
	0x0010, 0x0012, 0x0014, 0x0016,
	/* 3x   3.25x   3.5x    3.75x */
	0x0018, 0x001a, 0x001c, 0x001e,
	/* 4x   4.25x   4.5x    4.75x */
	0x0020, 0x0051, 0x0052, 0x0053,
	/* 5x   5.25x   5.5x    5.75x */
	0x0054, 0x0055, 0x0056, 0x0057,
	/* 6x   6.25x   6.5x    6.75x */
	0x0058, 0x0059, 0x005a, 0x005b,
	/* 7x   7.25x   7.5x    7.75x */
	0x005c, 0x005d, 0x005e, 0x005f,
	/* 8x */
	0x0060
};

/* Gain = .5 + bit[7:0] / 16 */
static const u8 hv7131r_gain[] = {
	0x08 /* 1x */, 0x0c /* 1.25x */, 0x10 /* 1.5x */, 0x14 /* 1.75x */,
	0x18 /* 2x */, 0x1c /* 2.25x */, 0x20 /* 2.5x */, 0x24 /* 2.75x */,
	0x28 /* 3x */, 0x2c /* 3.25x */, 0x30 /* 3.5x */, 0x34 /* 3.75x */,
	0x38 /* 4x */, 0x3c /* 4.25x */, 0x40 /* 4.5x */, 0x44 /* 4.75x */,
	0x48 /* 5x */, 0x4c /* 5.25x */, 0x50 /* 5.5x */, 0x54 /* 5.75x */,
	0x58 /* 6x */, 0x5c /* 6.25x */, 0x60 /* 6.5x */, 0x64 /* 6.75x */,
	0x68 /* 7x */, 0x6c /* 7.25x */, 0x70 /* 7.5x */, 0x74 /* 7.75x */,
	0x78 /* 8x */
};

static const struct i2c_reg_u8 soi968_init[] = {
	{0x0c, 0x00}, {0x0f, 0x1f},
	{0x11, 0x80}, {0x38, 0x52}, {0x1e, 0x00},
	{0x33, 0x08}, {0x35, 0x8c}, {0x36, 0x0c},
	{0x37, 0x04}, {0x45, 0x04}, {0x47, 0xff},
	{0x3e, 0x00}, {0x3f, 0x00}, {0x3b, 0x20},
	{0x3a, 0x96}, {0x3d, 0x0a}, {0x14, 0x8e},
	{0x13, 0x8b}, {0x12, 0x40}, {0x17, 0x13},
	{0x18, 0x63}, {0x19, 0x01}, {0x1a, 0x79},
	{0x32, 0x24}, {0x03, 0x00}, {0x11, 0x40},
	{0x2a, 0x10}, {0x2b, 0xe0}, {0x10, 0x32},
	{0x00, 0x00}, {0x01, 0x80}, {0x02, 0x80},
};

static const struct i2c_reg_u8 ov7660_init[] = {
	{0x0e, 0x80}, {0x0d, 0x08}, {0x0f, 0xc3},
	{0x04, 0xc3}, {0x10, 0x40}, {0x11, 0x40},
	{0x12, 0x05}, {0x13, 0xba}, {0x14, 0x2a},
	/* HDG Set hstart and hstop, datasheet default 0x11, 0x61, using
	   0x10, 0x61 and sd->hstart, vstart = 3, fixes ugly colored borders */
	{0x17, 0x10}, {0x18, 0x61},
	{0x37, 0x0f}, {0x38, 0x02}, {0x39, 0x43},
	{0x3a, 0x00}, {0x69, 0x90}, {0x2d, 0x00},
	{0x2e, 0x00}, {0x01, 0x78}, {0x02, 0x50},
};

static const struct i2c_reg_u8 ov7670_init[] = {
	{0x11, 0x80}, {0x3a, 0x04}, {0x12, 0x01},
	{0x32, 0xb6}, {0x03, 0x0a}, {0x0c, 0x00}, {0x3e, 0x00},
	{0x70, 0x3a}, {0x71, 0x35}, {0x72, 0x11}, {0x73, 0xf0},
	{0xa2, 0x02}, {0x13, 0xe0}, {0x00, 0x00}, {0x10, 0x00},
	{0x0d, 0x40}, {0x14, 0x28}, {0xa5, 0x05}, {0xab, 0x07},
	{0x24, 0x95}, {0x25, 0x33}, {0x26, 0xe3}, {0x9f, 0x75},
	{0xa0, 0x65}, {0xa1, 0x0b}, {0xa6, 0xd8}, {0xa7, 0xd8},
	{0xa8, 0xf0}, {0xa9, 0x90}, {0xaa, 0x94}, {0x13, 0xe5},
	{0x0e, 0x61}, {0x0f, 0x4b}, {0x16, 0x02}, {0x1e, 0x27},
	{0x21, 0x02}, {0x22, 0x91}, {0x29, 0x07}, {0x33, 0x0b},
	{0x35, 0x0b}, {0x37, 0x1d}, {0x38, 0x71}, {0x39, 0x2a},
	{0x3c, 0x78}, {0x4d, 0x40}, {0x4e, 0x20}, {0x69, 0x00},
	{0x74, 0x19}, {0x8d, 0x4f}, {0x8e, 0x00}, {0x8f, 0x00},
	{0x90, 0x00}, {0x91, 0x00}, {0x96, 0x00}, {0x9a, 0x80},
	{0xb0, 0x84}, {0xb1, 0x0c}, {0xb2, 0x0e}, {0xb3, 0x82},
	{0xb8, 0x0a}, {0x43, 0x0a}, {0x44, 0xf0}, {0x45, 0x20},
	{0x46, 0x7d}, {0x47, 0x29}, {0x48, 0x4a}, {0x59, 0x8c},
	{0x5a, 0xa5}, {0x5b, 0xde}, {0x5c, 0x96}, {0x5d, 0x66},
	{0x5e, 0x10}, {0x6c, 0x0a}, {0x6d, 0x55}, {0x6e, 0x11},
	{0x6f, 0x9e}, {0x6a, 0x40}, {0x01, 0x40}, {0x02, 0x40},
	{0x13, 0xe7}, {0x4f, 0x6e}, {0x50, 0x70}, {0x51, 0x02},
	{0x52, 0x1d}, {0x53, 0x56}, {0x54, 0x73}, {0x55, 0x0a},
	{0x56, 0x55}, {0x57, 0x80}, {0x58, 0x9e}, {0x41, 0x08},
	{0x3f, 0x02}, {0x75, 0x03}, {0x76, 0x63}, {0x4c, 0x04},
	{0x77, 0x06}, {0x3d, 0x02}, {0x4b, 0x09}, {0xc9, 0x30},
	{0x41, 0x08}, {0x56, 0x48}, {0x34, 0x11}, {0xa4, 0x88},
	{0x96, 0x00}, {0x97, 0x30}, {0x98, 0x20}, {0x99, 0x30},
	{0x9a, 0x84}, {0x9b, 0x29}, {0x9c, 0x03}, {0x9d, 0x99},
	{0x9e, 0x7f}, {0x78, 0x04}, {0x79, 0x01}, {0xc8, 0xf0},
	{0x79, 0x0f}, {0xc8, 0x00}, {0x79, 0x10}, {0xc8, 0x7e},
	{0x79, 0x0a}, {0xc8, 0x80}, {0x79, 0x0b}, {0xc8, 0x01},
	{0x79, 0x0c}, {0xc8, 0x0f}, {0x79, 0x0d}, {0xc8, 0x20},
	{0x79, 0x09}, {0xc8, 0x80}, {0x79, 0x02}, {0xc8, 0xc0},
	{0x79, 0x03}, {0xc8, 0x40}, {0x79, 0x05}, {0xc8, 0x30},
	{0x79, 0x26}, {0x62, 0x20}, {0x63, 0x00}, {0x64, 0x06},
	{0x65, 0x00}, {0x66, 0x05}, {0x94, 0x05}, {0x95, 0x0a},
	{0x17, 0x13}, {0x18, 0x01}, {0x19, 0x02}, {0x1a, 0x7a},
	{0x46, 0x59}, {0x47, 0x30}, {0x58, 0x9a}, {0x59, 0x84},
	{0x5a, 0x91}, {0x5b, 0x57}, {0x5c, 0x75}, {0x5d, 0x6d},
	{0x5e, 0x13}, {0x64, 0x07}, {0x94, 0x07}, {0x95, 0x0d},
	{0xa6, 0xdf}, {0xa7, 0xdf}, {0x48, 0x4d}, {0x51, 0x00},
	{0x6b, 0x0a}, {0x11, 0x80}, {0x2a, 0x00}, {0x2b, 0x00},
	{0x92, 0x00}, {0x93, 0x00}, {0x55, 0x0a}, {0x56, 0x60},
	{0x4f, 0x6e}, {0x50, 0x70}, {0x51, 0x00}, {0x52, 0x1d},
	{0x53, 0x56}, {0x54, 0x73}, {0x58, 0x9a}, {0x4f, 0x6e},
	{0x50, 0x70}, {0x51, 0x00}, {0x52, 0x1d}, {0x53, 0x56},
	{0x54, 0x73}, {0x58, 0x9a}, {0x3f, 0x01}, {0x7b, 0x03},
	{0x7c, 0x09}, {0x7d, 0x16}, {0x7e, 0x38}, {0x7f, 0x47},
	{0x80, 0x53}, {0x81, 0x5e}, {0x82, 0x6a}, {0x83, 0x74},
	{0x84, 0x80}, {0x85, 0x8c}, {0x86, 0x9b}, {0x87, 0xb2},
	{0x88, 0xcc}, {0x89, 0xe5}, {0x7a, 0x24}, {0x3b, 0x00},
	{0x9f, 0x76}, {0xa0, 0x65}, {0x13, 0xe2}, {0x6b, 0x0a},
	{0x11, 0x80}, {0x2a, 0x00}, {0x2b, 0x00}, {0x92, 0x00},
	{0x93, 0x00},
};

static const struct i2c_reg_u8 ov9650_init[] = {
	{0x00, 0x00}, {0x01, 0x78},
	{0x02, 0x78}, {0x03, 0x36}, {0x04, 0x03},
	{0x05, 0x00}, {0x06, 0x00}, {0x08, 0x00},
	{0x09, 0x01}, {0x0c, 0x00}, {0x0d, 0x00},
	{0x0e, 0xa0}, {0x0f, 0x52}, {0x10, 0x7c},
	{0x11, 0x80}, {0x12, 0x45}, {0x13, 0xc2},
	{0x14, 0x2e}, {0x15, 0x00}, {0x16, 0x07},
	{0x17, 0x24}, {0x18, 0xc5}, {0x19, 0x00},
	{0x1a, 0x3c}, {0x1b, 0x00}, {0x1e, 0x04},
	{0x1f, 0x00}, {0x24, 0x78}, {0x25, 0x68},
	{0x26, 0xd4}, {0x27, 0x80}, {0x28, 0x80},
	{0x29, 0x30}, {0x2a, 0x00}, {0x2b, 0x00},
	{0x2c, 0x80}, {0x2d, 0x00}, {0x2e, 0x00},
	{0x2f, 0x00}, {0x30, 0x08}, {0x31, 0x30},
	{0x32, 0x84}, {0x33, 0xe2}, {0x34, 0xbf},
	{0x35, 0x81}, {0x36, 0xf9}, {0x37, 0x00},
	{0x38, 0x93}, {0x39, 0x50}, {0x3a, 0x01},
	{0x3b, 0x01}, {0x3c, 0x73}, {0x3d, 0x19},
	{0x3e, 0x0b}, {0x3f, 0x80}, {0x40, 0xc1},
	{0x41, 0x00}, {0x42, 0x08}, {0x67, 0x80},
	{0x68, 0x80}, {0x69, 0x40}, {0x6a, 0x00},
	{0x6b, 0x0a}, {0x8b, 0x06}, {0x8c, 0x20},
	{0x8d, 0x00}, {0x8e, 0x00}, {0x8f, 0xdf},
	{0x92, 0x00}, {0x93, 0x00}, {0x94, 0x88},
	{0x95, 0x88}, {0x96, 0x04}, {0xa1, 0x00},
	{0xa5, 0x80}, {0xa8, 0x80}, {0xa9, 0xb8},
	{0xaa, 0x92}, {0xab, 0x0a},
};

static const struct i2c_reg_u8 ov9655_init[] = {
	{0x0e, 0x61}, {0x11, 0x80}, {0x13, 0xba},
	{0x14, 0x2e}, {0x16, 0x24}, {0x1e, 0x04}, {0x27, 0x08},
	{0x28, 0x08}, {0x29, 0x15}, {0x2c, 0x08}, {0x34, 0x3d},
	{0x35, 0x00}, {0x38, 0x12}, {0x0f, 0x42}, {0x39, 0x57},
	{0x3a, 0x00}, {0x3b, 0xcc}, {0x3c, 0x0c}, {0x3d, 0x19},
	{0x3e, 0x0c}, {0x3f, 0x01}, {0x41, 0x40}, {0x42, 0x80},
	{0x45, 0x46}, {0x46, 0x62}, {0x47, 0x2a}, {0x48, 0x3c},
	{0x4a, 0xf0}, {0x4b, 0xdc}, {0x4c, 0xdc}, {0x4d, 0xdc},
	{0x4e, 0xdc}, {0x6c, 0x04}, {0x6f, 0x9e}, {0x70, 0x05},
	{0x71, 0x78}, {0x77, 0x02}, {0x8a, 0x23}, {0x90, 0x7e},
	{0x91, 0x7c}, {0x9f, 0x6e}, {0xa0, 0x6e}, {0xa5, 0x68},
	{0xa6, 0x60}, {0xa8, 0xc1}, {0xa9, 0xfa}, {0xaa, 0x92},
	{0xab, 0x04}, {0xac, 0x80}, {0xad, 0x80}, {0xae, 0x80},
	{0xaf, 0x80}, {0xb2, 0xf2}, {0xb3, 0x20}, {0xb5, 0x00},
	{0xb6, 0xaf}, {0xbb, 0xae}, {0xbc, 0x44}, {0xbd, 0x44},
	{0xbe, 0x3b}, {0xbf, 0x3a}, {0xc1, 0xc8}, {0xc2, 0x01},
	{0xc4, 0x00}, {0xc6, 0x85}, {0xc7, 0x81}, {0xc9, 0xe0},
	{0xca, 0xe8}, {0xcc, 0xd8}, {0xcd, 0x93}, {0x2d, 0x00},
	{0x2e, 0x00}, {0x01, 0x80}, {0x02, 0x80}, {0x12, 0x61},
	{0x36, 0xfa}, {0x8c, 0x8d}, {0xc0, 0xaa}, {0x69, 0x0a},
	{0x03, 0x09}, {0x17, 0x16}, {0x18, 0x6e}, {0x19, 0x01},
	{0x1a, 0x3e}, {0x32, 0x09}, {0x2a, 0x10}, {0x2b, 0x0a},
	{0x92, 0x00}, {0x93, 0x00}, {0xa1, 0x00}, {0x10, 0x7c},
	{0x04, 0x03}, {0x00, 0x13},
};

static const struct i2c_reg_u16 mt9v112_init[] = {
	{0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0020},
	{0x34, 0xc019}, {0x0a, 0x0011}, {0x0b, 0x000b},
	{0x20, 0x0703}, {0x35, 0x2022}, {0xf0, 0x0001},
	{0x05, 0x0000}, {0x06, 0x340c}, {0x3b, 0x042a},
	{0x3c, 0x0400}, {0xf0, 0x0002}, {0x2e, 0x0c58},
	{0x5b, 0x0001}, {0xc8, 0x9f0b}, {0xf0, 0x0001},
	{0x9b, 0x5300}, {0xf0, 0x0000}, {0x2b, 0x0020},
	{0x2c, 0x002a}, {0x2d, 0x0032}, {0x2e, 0x0020},
	{0x09, 0x01dc}, {0x01, 0x000c}, {0x02, 0x0020},
	{0x03, 0x01e0}, {0x04, 0x0280}, {0x06, 0x000c},
	{0x05, 0x0098}, {0x20, 0x0703}, {0x09, 0x01f2},
	{0x2b, 0x00a0}, {0x2c, 0x00a0}, {0x2d, 0x00a0},
	{0x2e, 0x00a0}, {0x01, 0x000c}, {0x02, 0x0020},
	{0x03, 0x01e0}, {0x04, 0x0280}, {0x06, 0x000c},
	{0x05, 0x0098}, {0x09, 0x01c1}, {0x2b, 0x00ae},
	{0x2c, 0x00ae}, {0x2d, 0x00ae}, {0x2e, 0x00ae},
};

static const struct i2c_reg_u16 mt9v111_init[] = {
	{0x01, 0x0004}, {0x0d, 0x0001}, {0x0d, 0x0000},
	{0x01, 0x0001}, {0x05, 0x0004}, {0x2d, 0xe0a0},
	{0x2e, 0x0c64},	{0x2f, 0x0064}, {0x06, 0x600e},
	{0x08, 0x0480}, {0x01, 0x0004}, {0x02, 0x0016},
	{0x03, 0x01e7}, {0x04, 0x0287}, {0x05, 0x0004},
	{0x06, 0x002d},	{0x07, 0x3002}, {0x08, 0x0008},
	{0x0e, 0x0008}, {0x20, 0x0000}
};

static const struct i2c_reg_u16 mt9v011_init[] = {
	{0x07, 0x0002},	{0x0d, 0x0001},	{0x0d, 0x0000},
	{0x01, 0x0008},	{0x02, 0x0016},	{0x03, 0x01e1},
	{0x04, 0x0281},	{0x05, 0x0083},	{0x06, 0x0006},
	{0x0d, 0x0002}, {0x0a, 0x0000},	{0x0b, 0x0000},
	{0x0c, 0x0000},	{0x0d, 0x0000},	{0x0e, 0x0000},
	{0x0f, 0x0000},	{0x10, 0x0000},	{0x11, 0x0000},
	{0x12, 0x0000},	{0x13, 0x0000},	{0x14, 0x0000},
	{0x15, 0x0000},	{0x16, 0x0000},	{0x17, 0x0000},
	{0x18, 0x0000},	{0x19, 0x0000},	{0x1a, 0x0000},
	{0x1b, 0x0000},	{0x1c, 0x0000},	{0x1d, 0x0000},
	{0x32, 0x0000},	{0x20, 0x1101},	{0x21, 0x0000},
	{0x22, 0x0000},	{0x23, 0x0000},	{0x24, 0x0000},
	{0x25, 0x0000},	{0x26, 0x0000},	{0x27, 0x0024},
	{0x2f, 0xf7b0},	{0x30, 0x0005},	{0x31, 0x0000},
	{0x32, 0x0000},	{0x33, 0x0000},	{0x34, 0x0100},
	{0x3d, 0x068f},	{0x40, 0x01e0},	{0x41, 0x00d1},
	{0x44, 0x0082},	{0x5a, 0x0000},	{0x5b, 0x0000},
	{0x5c, 0x0000},	{0x5d, 0x0000},	{0x5e, 0x0000},
	{0x5f, 0xa31d},	{0x62, 0x0611},	{0x0a, 0x0000},
	{0x06, 0x0029},	{0x05, 0x0009},	{0x20, 0x1101},
	{0x20, 0x1101},	{0x09, 0x0064},	{0x07, 0x0003},
	{0x2b, 0x0033},	{0x2c, 0x00a0},	{0x2d, 0x00a0},
	{0x2e, 0x0033},	{0x07, 0x0002},	{0x06, 0x0000},
	{0x06, 0x0029},	{0x05, 0x0009},
};

static const struct i2c_reg_u16 mt9m001_init[] = {
	{0x0d, 0x0001},
	{0x0d, 0x0000},
	{0x04, 0x0500},		/* hres = 1280 */
	{0x03, 0x0400},		/* vres = 1024 */
	{0x20, 0x1100},
	{0x06, 0x0010},
	{0x2b, 0x0024},
	{0x2e, 0x0024},
	{0x35, 0x0024},
	{0x2d, 0x0020},
	{0x2c, 0x0020},
	{0x09, 0x0ad4},
	{0x35, 0x0057},
};

static const struct i2c_reg_u16 mt9m111_init[] = {
	{0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0008},
	{0xf0, 0x0001}, {0x3a, 0x4300}, {0x9b, 0x4300},
	{0x06, 0x708e}, {0xf0, 0x0002}, {0x2e, 0x0a1e},
	{0xf0, 0x0000},
};

static const struct i2c_reg_u16 mt9m112_init[] = {
	{0xf0, 0x0000}, {0x0d, 0x0021}, {0x0d, 0x0008},
	{0xf0, 0x0001}, {0x3a, 0x4300}, {0x9b, 0x4300},
	{0x06, 0x708e}, {0xf0, 0x0002}, {0x2e, 0x0a1e},
	{0xf0, 0x0000},
};

static const struct i2c_reg_u8 hv7131r_init[] = {
	{0x02, 0x08}, {0x02, 0x00}, {0x01, 0x08},
	{0x02, 0x00}, {0x20, 0x00}, {0x21, 0xd0},
	{0x22, 0x00}, {0x23, 0x09}, {0x01, 0x08},
	{0x01, 0x08}, {0x01, 0x08}, {0x25, 0x07},
	{0x26, 0xc3}, {0x27, 0x50}, {0x30, 0x62},
	{0x31, 0x10}, {0x32, 0x06}, {0x33, 0x10},
	{0x20, 0x00}, {0x21, 0xd0}, {0x22, 0x00},
	{0x23, 0x09}, {0x01, 0x08},
};

static void reg_r(struct gspca_dev *gspca_dev, u16 reg, u16 length)
{
	struct usb_device *dev = gspca_dev->dev;
	int result;

	if (gspca_dev->usb_err < 0)
		return;
	result = usb_control_msg(dev, usb_rcvctrlpipe(dev, 0),
			0x00,
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			reg,
			0x00,
			gspca_dev->usb_buf,
			length,
			500);
	if (unlikely(result < 0 || result != length)) {
		pr_err("Read register %02x failed %d\n", reg, result);
		gspca_dev->usb_err = result;
	}
}

static void reg_w(struct gspca_dev *gspca_dev, u16 reg,
		 const u8 *buffer, int length)
{
	struct usb_device *dev = gspca_dev->dev;
	int result;

	if (gspca_dev->usb_err < 0)
		return;
	memcpy(gspca_dev->usb_buf, buffer, length);
	result = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
			0x08,
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
			reg,
			0x00,
			gspca_dev->usb_buf,
			length,
			500);
	if (unlikely(result < 0 || result != length)) {
		pr_err("Write register %02x failed %d\n", reg, result);
		gspca_dev->usb_err = result;
	}
}

static void reg_w1(struct gspca_dev *gspca_dev, u16 reg, const u8 value)
{
	reg_w(gspca_dev, reg, &value, 1);
}

static void i2c_w(struct gspca_dev *gspca_dev, const u8 *buffer)
{
	int i;

	reg_w(gspca_dev, 0x10c0, buffer, 8);
	for (i = 0; i < 5; i++) {
		reg_r(gspca_dev, 0x10c0, 1);
		if (gspca_dev->usb_err < 0)
			return;
		if (gspca_dev->usb_buf[0] & 0x04) {
			if (gspca_dev->usb_buf[0] & 0x08) {
				pr_err("i2c_w error\n");
				gspca_dev->usb_err = -EIO;
			}
			return;
		}
		msleep(10);
	}
	pr_err("i2c_w reg %02x no response\n", buffer[2]);
/*	gspca_dev->usb_err = -EIO;	fixme: may occur */
}

static void i2c_w1(struct gspca_dev *gspca_dev, u8 reg, u8 val)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u8 row[8];

	/*
	 * from the point of view of the bridge, the length
	 * includes the address
	 */
	row[0] = sd->i2c_intf | (2 << 4);
	row[1] = sd->i2c_addr;
	row[2] = reg;
	row[3] = val;
	row[4] = 0x00;
	row[5] = 0x00;
	row[6] = 0x00;
	row[7] = 0x10;

	i2c_w(gspca_dev, row);
}

static void i2c_w1_buf(struct gspca_dev *gspca_dev,
			const struct i2c_reg_u8 *buf, int sz)
{
	while (--sz >= 0) {
		i2c_w1(gspca_dev, buf->reg, buf->val);
		buf++;
	}
}

static void i2c_w2(struct gspca_dev *gspca_dev, u8 reg, u16 val)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u8 row[8];

	/*
	 * from the point of view of the bridge, the length
	 * includes the address
	 */
	row[0] = sd->i2c_intf | (3 << 4);
	row[1] = sd->i2c_addr;
	row[2] = reg;
	row[3] = val >> 8;
	row[4] = val;
	row[5] = 0x00;
	row[6] = 0x00;
	row[7] = 0x10;

	i2c_w(gspca_dev, row);
}

static void i2c_w2_buf(struct gspca_dev *gspca_dev,
			const struct i2c_reg_u16 *buf, int sz)
{
	while (--sz >= 0) {
		i2c_w2(gspca_dev, buf->reg, buf->val);
		buf++;
	}
}

static void i2c_r1(struct gspca_dev *gspca_dev, u8 reg, u8 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u8 row[8];

	row[0] = sd->i2c_intf | (1 << 4);
	row[1] = sd->i2c_addr;
	row[2] = reg;
	row[3] = 0;
	row[4] = 0;
	row[5] = 0;
	row[6] = 0;
	row[7] = 0x10;
	i2c_w(gspca_dev, row);
	row[0] = sd->i2c_intf | (1 << 4) | 0x02;
	row[2] = 0;
	i2c_w(gspca_dev, row);
	reg_r(gspca_dev, 0x10c2, 5);
	*val = gspca_dev->usb_buf[4];
}

static void i2c_r2(struct gspca_dev *gspca_dev, u8 reg, u16 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u8 row[8];

	row[0] = sd->i2c_intf | (1 << 4);
	row[1] = sd->i2c_addr;
	row[2] = reg;
	row[3] = 0;
	row[4] = 0;
	row[5] = 0;
	row[6] = 0;
	row[7] = 0x10;
	i2c_w(gspca_dev, row);
	row[0] = sd->i2c_intf | (2 << 4) | 0x02;
	row[2] = 0;
	i2c_w(gspca_dev, row);
	reg_r(gspca_dev, 0x10c2, 5);
	*val = (gspca_dev->usb_buf[3] << 8) | gspca_dev->usb_buf[4];
}

static void ov9650_init_sensor(struct gspca_dev *gspca_dev)
{
	u16 id;
	struct sd *sd = (struct sd *) gspca_dev;

	i2c_r2(gspca_dev, 0x1c, &id);
	if (gspca_dev->usb_err < 0)
		return;

	if (id != 0x7fa2) {
		pr_err("sensor id for ov9650 doesn't match (0x%04x)\n", id);
		gspca_dev->usb_err = -ENODEV;
		return;
	}

	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
	msleep(200);
	i2c_w1_buf(gspca_dev, ov9650_init, ARRAY_SIZE(ov9650_init));
	if (gspca_dev->usb_err < 0)
		pr_err("OV9650 sensor initialization failed\n");
	sd->hstart = 1;
	sd->vstart = 7;
}

static void ov9655_init_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
	msleep(200);
	i2c_w1_buf(gspca_dev, ov9655_init, ARRAY_SIZE(ov9655_init));
	if (gspca_dev->usb_err < 0)
		pr_err("OV9655 sensor initialization failed\n");

	sd->hstart = 1;
	sd->vstart = 2;
}

static void soi968_init_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
	msleep(200);
	i2c_w1_buf(gspca_dev, soi968_init, ARRAY_SIZE(soi968_init));
	if (gspca_dev->usb_err < 0)
		pr_err("SOI968 sensor initialization failed\n");

	sd->hstart = 60;
	sd->vstart = 11;
}

static void ov7660_init_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
	msleep(200);
	i2c_w1_buf(gspca_dev, ov7660_init, ARRAY_SIZE(ov7660_init));
	if (gspca_dev->usb_err < 0)
		pr_err("OV7660 sensor initialization failed\n");
	sd->hstart = 3;
	sd->vstart = 3;
}

static void ov7670_init_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	i2c_w1(gspca_dev, 0x12, 0x80);		/* sensor reset */
	msleep(200);
	i2c_w1_buf(gspca_dev, ov7670_init, ARRAY_SIZE(ov7670_init));
	if (gspca_dev->usb_err < 0)
		pr_err("OV7670 sensor initialization failed\n");

	sd->hstart = 0;
	sd->vstart = 1;
}

static void mt9v_init_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u16 value;

	sd->i2c_addr = 0x5d;
	i2c_r2(gspca_dev, 0xff, &value);
	if (gspca_dev->usb_err >= 0
	 && value == 0x8243) {
		i2c_w2_buf(gspca_dev, mt9v011_init, ARRAY_SIZE(mt9v011_init));
		if (gspca_dev->usb_err < 0) {
			pr_err("MT9V011 sensor initialization failed\n");
			return;
		}
		sd->hstart = 2;
		sd->vstart = 2;
		sd->sensor = SENSOR_MT9V011;
		pr_info("MT9V011 sensor detected\n");
		return;
	}

	gspca_dev->usb_err = 0;
	sd->i2c_addr = 0x5c;
	i2c_w2(gspca_dev, 0x01, 0x0004);
	i2c_r2(gspca_dev, 0xff, &value);
	if (gspca_dev->usb_err >= 0
	 && value == 0x823a) {
		i2c_w2_buf(gspca_dev, mt9v111_init, ARRAY_SIZE(mt9v111_init));
		if (gspca_dev->usb_err < 0) {
			pr_err("MT9V111 sensor initialization failed\n");
			return;
		}
		sd->hstart = 2;
		sd->vstart = 2;
		sd->sensor = SENSOR_MT9V111;
		pr_info("MT9V111 sensor detected\n");
		return;
	}

	gspca_dev->usb_err = 0;
	sd->i2c_addr = 0x5d;
	i2c_w2(gspca_dev, 0xf0, 0x0000);
	if (gspca_dev->usb_err < 0) {
		gspca_dev->usb_err = 0;
		sd->i2c_addr = 0x48;
		i2c_w2(gspca_dev, 0xf0, 0x0000);
	}
	i2c_r2(gspca_dev, 0x00, &value);
	if (gspca_dev->usb_err >= 0
	 && value == 0x1229) {
		i2c_w2_buf(gspca_dev, mt9v112_init, ARRAY_SIZE(mt9v112_init));
		if (gspca_dev->usb_err < 0) {
			pr_err("MT9V112 sensor initialization failed\n");
			return;
		}
		sd->hstart = 6;
		sd->vstart = 2;
		sd->sensor = SENSOR_MT9V112;
		pr_info("MT9V112 sensor detected\n");
		return;
	}

	gspca_dev->usb_err = -ENODEV;
}

static void mt9m112_init_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	i2c_w2_buf(gspca_dev, mt9m112_init, ARRAY_SIZE(mt9m112_init));
	if (gspca_dev->usb_err < 0)
		pr_err("MT9M112 sensor initialization failed\n");

	sd->hstart = 0;
	sd->vstart = 2;
}

static void mt9m111_init_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	i2c_w2_buf(gspca_dev, mt9m111_init, ARRAY_SIZE(mt9m111_init));
	if (gspca_dev->usb_err < 0)
		pr_err("MT9M111 sensor initialization failed\n");

	sd->hstart = 0;
	sd->vstart = 2;
}

static void mt9m001_init_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u16 id;

	i2c_r2(gspca_dev, 0x00, &id);
	if (gspca_dev->usb_err < 0)
		return;

	/* must be 0x8411 or 0x8421 for colour sensor and 8431 for bw */
	switch (id) {
	case 0x8411:
	case 0x8421:
		pr_info("MT9M001 color sensor detected\n");
		break;
	case 0x8431:
		pr_info("MT9M001 mono sensor detected\n");
		break;
	default:
		pr_err("No MT9M001 chip detected, ID = %x\n\n", id);
		gspca_dev->usb_err = -ENODEV;
		return;
	}

	i2c_w2_buf(gspca_dev, mt9m001_init, ARRAY_SIZE(mt9m001_init));
	if (gspca_dev->usb_err < 0)
		pr_err("MT9M001 sensor initialization failed\n");

	sd->hstart = 1;
	sd->vstart = 1;
}

static void hv7131r_init_sensor(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	i2c_w1_buf(gspca_dev, hv7131r_init, ARRAY_SIZE(hv7131r_init));
	if (gspca_dev->usb_err < 0)
		pr_err("HV7131R Sensor initialization failed\n");

	sd->hstart = 0;
	sd->vstart = 1;
}

static void set_cmatrix(struct gspca_dev *gspca_dev,
		s32 brightness, s32 contrast, s32 satur, s32 hue)
{
	s32 hue_coord, hue_index = 180 + hue;
	u8 cmatrix[21];

	memset(cmatrix, 0, sizeof cmatrix);
	cmatrix[2] = (contrast * 0x25 / 0x100) + 0x26;
	cmatrix[0] = 0x13 + (cmatrix[2] - 0x26) * 0x13 / 0x25;
	cmatrix[4] = 0x07 + (cmatrix[2] - 0x26) * 0x07 / 0x25;
	cmatrix[18] = brightness - 0x80;

	hue_coord = (hsv_red_x[hue_index] * satur) >> 8;
	cmatrix[6] = hue_coord;
	cmatrix[7] = (hue_coord >> 8) & 0x0f;

	hue_coord = (hsv_red_y[hue_index] * satur) >> 8;
	cmatrix[8] = hue_coord;
	cmatrix[9] = (hue_coord >> 8) & 0x0f;

	hue_coord = (hsv_green_x[hue_index] * satur) >> 8;
	cmatrix[10] = hue_coord;
	cmatrix[11] = (hue_coord >> 8) & 0x0f;

	hue_coord = (hsv_green_y[hue_index] * satur) >> 8;
	cmatrix[12] = hue_coord;
	cmatrix[13] = (hue_coord >> 8) & 0x0f;

	hue_coord = (hsv_blue_x[hue_index] * satur) >> 8;
	cmatrix[14] = hue_coord;
	cmatrix[15] = (hue_coord >> 8) & 0x0f;

	hue_coord = (hsv_blue_y[hue_index] * satur) >> 8;
	cmatrix[16] = hue_coord;
	cmatrix[17] = (hue_coord >> 8) & 0x0f;

	reg_w(gspca_dev, 0x10e1, cmatrix, 21);
}

static void set_gamma(struct gspca_dev *gspca_dev, s32 val)
{
	u8 gamma[17];
	u8 gval = val * 0xb8 / 0x100;

	gamma[0] = 0x0a;
	gamma[1] = 0x13 + (gval * (0xcb - 0x13) / 0xb8);
	gamma[2] = 0x25 + (gval * (0xee - 0x25) / 0xb8);
	gamma[3] = 0x37 + (gval * (0xfa - 0x37) / 0xb8);
	gamma[4] = 0x45 + (gval * (0xfc - 0x45) / 0xb8);
	gamma[5] = 0x55 + (gval * (0xfb - 0x55) / 0xb8);
	gamma[6] = 0x65 + (gval * (0xfc - 0x65) / 0xb8);
	gamma[7] = 0x74 + (gval * (0xfd - 0x74) / 0xb8);
	gamma[8] = 0x83 + (gval * (0xfe - 0x83) / 0xb8);
	gamma[9] = 0x92 + (gval * (0xfc - 0x92) / 0xb8);
	gamma[10] = 0xa1 + (gval * (0xfc - 0xa1) / 0xb8);
	gamma[11] = 0xb0 + (gval * (0xfc - 0xb0) / 0xb8);
	gamma[12] = 0xbf + (gval * (0xfb - 0xbf) / 0xb8);
	gamma[13] = 0xce + (gval * (0xfb - 0xce) / 0xb8);
	gamma[14] = 0xdf + (gval * (0xfd - 0xdf) / 0xb8);
	gamma[15] = 0xea + (gval * (0xf9 - 0xea) / 0xb8);
	gamma[16] = 0xf5;

	reg_w(gspca_dev, 0x1190, gamma, 17);
}

static void set_redblue(struct gspca_dev *gspca_dev, s32 blue, s32 red)
{
	reg_w1(gspca_dev, 0x118c, red);
	reg_w1(gspca_dev, 0x118f, blue);
}

static void set_hvflip(struct gspca_dev *gspca_dev, s32 hflip, s32 vflip)
{
	u8 value, tslb;
	u16 value2;
	struct sd *sd = (struct sd *) gspca_dev;

	if ((sd->flags & FLIP_DETECT) && dmi_check_system(flip_dmi_table)) {
		hflip = !hflip;
		vflip = !vflip;
	}

	switch (sd->sensor) {
	case SENSOR_OV7660:
		value = 0x01;
		if (hflip)
			value |= 0x20;
		if (vflip) {
			value |= 0x10;
			sd->vstart = 2;
		} else {
			sd->vstart = 3;
		}
		reg_w1(gspca_dev, 0x1182, sd->vstart);
		i2c_w1(gspca_dev, 0x1e, value);
		break;
	case SENSOR_OV9650:
		i2c_r1(gspca_dev, 0x1e, &value);
		value &= ~0x30;
		tslb = 0x01;
		if (hflip)
			value |= 0x20;
		if (vflip) {
			value |= 0x10;
			tslb = 0x49;
		}
		i2c_w1(gspca_dev, 0x1e, value);
		i2c_w1(gspca_dev, 0x3a, tslb);
		break;
	case SENSOR_MT9V111:
	case SENSOR_MT9V011:
		i2c_r2(gspca_dev, 0x20, &value2);
		value2 &= ~0xc0a0;
		if (hflip)
			value2 |= 0x8080;
		if (vflip)
			value2 |= 0x4020;
		i2c_w2(gspca_dev, 0x20, value2);
		break;
	case SENSOR_MT9M112:
	case SENSOR_MT9M111:
	case SENSOR_MT9V112:
		i2c_r2(gspca_dev, 0x20, &value2);
		value2 &= ~0x0003;
		if (hflip)
			value2 |= 0x0002;
		if (vflip)
			value2 |= 0x0001;
		i2c_w2(gspca_dev, 0x20, value2);
		break;
	case SENSOR_HV7131R:
		i2c_r1(gspca_dev, 0x01, &value);
		value &= ~0x03;
		if (vflip)
			value |= 0x01;
		if (hflip)
			value |= 0x02;
		i2c_w1(gspca_dev, 0x01, value);
		break;
	}
}

static void set_exposure(struct gspca_dev *gspca_dev, s32 expo)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u8 exp[8] = {sd->i2c_intf, sd->i2c_addr,
				0x00, 0x00, 0x00, 0x00, 0x00, 0x10};
	int expo2;

	if (gspca_dev->streaming)
		exp[7] = 0x1e;

	switch (sd->sensor) {
	case SENSOR_OV7660:
	case SENSOR_OV7670:
	case SENSOR_OV9655:
	case SENSOR_OV9650:
		if (expo > 547)
			expo2 = 547;
		else
			expo2 = expo;
		exp[0] |= (2 << 4);
		exp[2] = 0x10;			/* AECH */
		exp[3] = expo2 >> 2;
		exp[7] = 0x10;
		i2c_w(gspca_dev, exp);
		exp[2] = 0x04;			/* COM1 */
		exp[3] = expo2 & 0x0003;
		exp[7] = 0x10;
		i2c_w(gspca_dev, exp);
		expo -= expo2;
		exp[7] = 0x1e;
		exp[0] |= (3 << 4);
		exp[2] = 0x2d;			/* ADVFL & ADVFH */
		exp[3] = expo;
		exp[4] = expo >> 8;
		break;
	case SENSOR_MT9M001:
	case SENSOR_MT9V112:
	case SENSOR_MT9V011:
		exp[0] |= (3 << 4);
		exp[2] = 0x09;
		exp[3] = expo >> 8;
		exp[4] = expo;
		break;
	case SENSOR_HV7131R:
		exp[0] |= (4 << 4);
		exp[2] = 0x25;
		exp[3] = expo >> 5;
		exp[4] = expo << 3;
		exp[5] = 0;
		break;
	default:
		return;
	}
	i2c_w(gspca_dev, exp);
}

static void set_gain(struct gspca_dev *gspca_dev, s32 g)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u8 gain[8] = {sd->i2c_intf, sd->i2c_addr,
				0x00, 0x00, 0x00, 0x00, 0x00, 0x10};

	if (gspca_dev->streaming)
		gain[7] = 0x15;		/* or 1d ? */

	switch (sd->sensor) {
	case SENSOR_OV7660:
	case SENSOR_OV7670:
	case SENSOR_SOI968:
	case SENSOR_OV9655:
	case SENSOR_OV9650:
		gain[0] |= (2 << 4);
		gain[3] = ov_gain[g];
		break;
	case SENSOR_MT9V011:
		gain[0] |= (3 << 4);
		gain[2] = 0x35;
		gain[3] = micron1_gain[g] >> 8;
		gain[4] = micron1_gain[g];
		break;
	case SENSOR_MT9V112:
		gain[0] |= (3 << 4);
		gain[2] = 0x2f;
		gain[3] = micron1_gain[g] >> 8;
		gain[4] = micron1_gain[g];
		break;
	case SENSOR_MT9M001:
		gain[0] |= (3 << 4);
		gain[2] = 0x2f;
		gain[3] = micron2_gain[g] >> 8;
		gain[4] = micron2_gain[g];
		break;
	case SENSOR_HV7131R:
		gain[0] |= (2 << 4);
		gain[2] = 0x30;
		gain[3] = hv7131r_gain[g];
		break;
	default:
		return;
	}
	i2c_w(gspca_dev, gain);
}

static void set_quality(struct gspca_dev *gspca_dev, s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	jpeg_set_qual(sd->jpeg_hdr, val);
	reg_w1(gspca_dev, 0x1061, 0x01);	/* stop transfer */
	reg_w1(gspca_dev, 0x10e0, sd->fmt | 0x20); /* write QTAB */
	reg_w(gspca_dev, 0x1100, &sd->jpeg_hdr[JPEG_QT0_OFFSET], 64);
	reg_w(gspca_dev, 0x1140, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64);
	reg_w1(gspca_dev, 0x1061, 0x03);	/* restart transfer */
	reg_w1(gspca_dev, 0x10e0, sd->fmt);
	sd->fmt ^= 0x0c;			/* invert QTAB use + write */
	reg_w1(gspca_dev, 0x10e0, sd->fmt);
}

#ifdef CONFIG_VIDEO_ADV_DEBUG
static int sd_dbg_g_register(struct gspca_dev *gspca_dev,
			struct v4l2_dbg_register *reg)
{
	struct sd *sd = (struct sd *) gspca_dev;

	reg->size = 1;
	switch (reg->match.addr) {
	case 0:
		if (reg->reg < 0x1000 || reg->reg > 0x11ff)
			return -EINVAL;
		reg_r(gspca_dev, reg->reg, 1);
		reg->val = gspca_dev->usb_buf[0];
		return gspca_dev->usb_err;
	case 1:
		if (sd->sensor >= SENSOR_MT9V011 &&
		    sd->sensor <= SENSOR_MT9M112) {
			i2c_r2(gspca_dev, reg->reg, (u16 *) &reg->val);
			reg->size = 2;
		} else {
			i2c_r1(gspca_dev, reg->reg, (u8 *) &reg->val);
		}
		return gspca_dev->usb_err;
	}
	return -EINVAL;
}

static int sd_dbg_s_register(struct gspca_dev *gspca_dev,
			const struct v4l2_dbg_register *reg)
{
	struct sd *sd = (struct sd *) gspca_dev;

	switch (reg->match.addr) {
	case 0:
		if (reg->reg < 0x1000 || reg->reg > 0x11ff)
			return -EINVAL;
		reg_w1(gspca_dev, reg->reg, reg->val);
		return gspca_dev->usb_err;
	case 1:
		if (sd->sensor >= SENSOR_MT9V011 &&
		    sd->sensor <= SENSOR_MT9M112) {
			i2c_w2(gspca_dev, reg->reg, reg->val);
		} else {
			i2c_w1(gspca_dev, reg->reg, reg->val);
		}
		return gspca_dev->usb_err;
	}
	return -EINVAL;
}

static int sd_chip_info(struct gspca_dev *gspca_dev,
			struct v4l2_dbg_chip_info *chip)
{
	if (chip->match.addr > 1)
		return -EINVAL;
	if (chip->match.addr == 1)
		strlcpy(chip->name, "sensor", sizeof(chip->name));
	return 0;
}
#endif

static int sd_config(struct gspca_dev *gspca_dev,
			const struct usb_device_id *id)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct cam *cam;

	cam = &gspca_dev->cam;
	cam->needs_full_bandwidth = 1;

	sd->sensor = id->driver_info >> 8;
	sd->i2c_addr = id->driver_info;
	sd->flags = id->driver_info >> 16;
	sd->i2c_intf = 0x80;			/* i2c 100 Kb/s */

	switch (sd->sensor) {
	case SENSOR_MT9M112:
	case SENSOR_MT9M111:
	case SENSOR_OV9650:
	case SENSOR_SOI968:
		cam->cam_mode = sxga_mode;
		cam->nmodes = ARRAY_SIZE(sxga_mode);
		break;
	case SENSOR_MT9M001:
		cam->cam_mode = mono_mode;
		cam->nmodes = ARRAY_SIZE(mono_mode);
		break;
	case SENSOR_HV7131R:
		sd->i2c_intf = 0x81;			/* i2c 400 Kb/s */
		/* fall thru */
	default:
		cam->cam_mode = vga_mode;
		cam->nmodes = ARRAY_SIZE(vga_mode);
		break;
	}

	sd->old_step = 0;
	sd->older_step = 0;
	sd->exposure_step = 16;

	INIT_WORK(&sd->work, qual_upd);

	return 0;
}

static int sd_s_ctrl(struct v4l2_ctrl *ctrl)
{
	struct gspca_dev *gspca_dev =
		container_of(ctrl->handler, struct gspca_dev, ctrl_handler);
	struct sd *sd = (struct sd *)gspca_dev;

	gspca_dev->usb_err = 0;

	if (!gspca_dev->streaming)
		return 0;

	switch (ctrl->id) {
	/* color control cluster */
	case V4L2_CID_BRIGHTNESS:
		set_cmatrix(gspca_dev, sd->brightness->val,
			sd->contrast->val, sd->saturation->val, sd->hue->val);
		break;
	case V4L2_CID_GAMMA:
		set_gamma(gspca_dev, ctrl->val);
		break;
	/* blue/red balance cluster */
	case V4L2_CID_BLUE_BALANCE:
		set_redblue(gspca_dev, sd->blue->val, sd->red->val);
		break;
	/* h/vflip cluster */
	case V4L2_CID_HFLIP:
		set_hvflip(gspca_dev, sd->hflip->val, sd->vflip->val);
		break;
	/* standalone exposure control */
	case V4L2_CID_EXPOSURE:
		set_exposure(gspca_dev, ctrl->val);
		break;
	/* standalone gain control */
	case V4L2_CID_GAIN:
		set_gain(gspca_dev, ctrl->val);
		break;
	/* autogain + exposure or gain control cluster */
	case V4L2_CID_AUTOGAIN:
		if (sd->sensor == SENSOR_SOI968)
			set_gain(gspca_dev, sd->gain->val);
		else
			set_exposure(gspca_dev, sd->exposure->val);
		break;
	case V4L2_CID_JPEG_COMPRESSION_QUALITY:
		set_quality(gspca_dev, ctrl->val);
		break;
	}
	return gspca_dev->usb_err;
}

static const struct v4l2_ctrl_ops sd_ctrl_ops = {
	.s_ctrl = sd_s_ctrl,
};

static int sd_init_controls(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;

	gspca_dev->vdev.ctrl_handler = hdl;
	v4l2_ctrl_handler_init(hdl, 13);

	sd->brightness = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);
	sd->contrast = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_CONTRAST, 0, 255, 1, 127);
	sd->saturation = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_SATURATION, 0, 255, 1, 127);
	sd->hue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_HUE, -180, 180, 1, 0);

	sd->gamma = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_GAMMA, 0, 255, 1, 0x10);

	sd->blue = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_BLUE_BALANCE, 0, 127, 1, 0x28);
	sd->red = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_RED_BALANCE, 0, 127, 1, 0x28);

	if (sd->sensor != SENSOR_OV9655 && sd->sensor != SENSOR_SOI968 &&
	    sd->sensor != SENSOR_OV7670 && sd->sensor != SENSOR_MT9M001 &&
	    sd->sensor != SENSOR_MT9VPRB) {
		sd->hflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_HFLIP, 0, 1, 1, 0);
		sd->vflip = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_VFLIP, 0, 1, 1, 0);
	}

	if (sd->sensor != SENSOR_SOI968 && sd->sensor != SENSOR_MT9VPRB &&
	    sd->sensor != SENSOR_MT9M112 && sd->sensor != SENSOR_MT9M111 &&
	    sd->sensor != SENSOR_MT9V111)
		sd->exposure = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_EXPOSURE, 0, 0x1780, 1, 0x33);

	if (sd->sensor != SENSOR_MT9VPRB && sd->sensor != SENSOR_MT9M112 &&
	    sd->sensor != SENSOR_MT9M111 && sd->sensor != SENSOR_MT9V111) {
		sd->gain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_GAIN, 0, 28, 1, 0);
		sd->autogain = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_AUTOGAIN, 0, 1, 1, 1);
	}

	sd->jpegqual = v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_JPEG_COMPRESSION_QUALITY, 50, 90, 1, 80);
	if (hdl->error) {
		pr_err("Could not initialize controls\n");
		return hdl->error;
	}

	v4l2_ctrl_cluster(4, &sd->brightness);
	v4l2_ctrl_cluster(2, &sd->blue);
	if (sd->hflip)
		v4l2_ctrl_cluster(2, &sd->hflip);
	if (sd->autogain) {
		if (sd->sensor == SENSOR_SOI968)
			/* this sensor doesn't have the exposure control and
			   autogain is clustered with gain instead. This works
			   because sd->exposure == NULL. */
			v4l2_ctrl_auto_cluster(3, &sd->autogain, 0, false);
		else
			/* Otherwise autogain is clustered with exposure. */
			v4l2_ctrl_auto_cluster(2, &sd->autogain, 0, false);
	}
	return 0;
}

static int sd_init(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int i;
	u8 value;
	u8 i2c_init[9] =
		{0x80, sd->i2c_addr, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x03};

	for (i = 0; i < ARRAY_SIZE(bridge_init); i++) {
		value = bridge_init[i][1];
		reg_w(gspca_dev, bridge_init[i][0], &value, 1);
		if (gspca_dev->usb_err < 0) {
			pr_err("Device initialization failed\n");
			return gspca_dev->usb_err;
		}
	}

	if (sd->flags & LED_REVERSE)
		reg_w1(gspca_dev, 0x1006, 0x00);
	else
		reg_w1(gspca_dev, 0x1006, 0x20);

	reg_w(gspca_dev, 0x10c0, i2c_init, 9);
	if (gspca_dev->usb_err < 0) {
		pr_err("Device initialization failed\n");
		return gspca_dev->usb_err;
	}

	switch (sd->sensor) {
	case SENSOR_OV9650:
		ov9650_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		pr_info("OV9650 sensor detected\n");
		break;
	case SENSOR_OV9655:
		ov9655_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		pr_info("OV9655 sensor detected\n");
		break;
	case SENSOR_SOI968:
		soi968_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		pr_info("SOI968 sensor detected\n");
		break;
	case SENSOR_OV7660:
		ov7660_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		pr_info("OV7660 sensor detected\n");
		break;
	case SENSOR_OV7670:
		ov7670_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		pr_info("OV7670 sensor detected\n");
		break;
	case SENSOR_MT9VPRB:
		mt9v_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		pr_info("MT9VPRB sensor detected\n");
		break;
	case SENSOR_MT9M111:
		mt9m111_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		pr_info("MT9M111 sensor detected\n");
		break;
	case SENSOR_MT9M112:
		mt9m112_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		pr_info("MT9M112 sensor detected\n");
		break;
	case SENSOR_MT9M001:
		mt9m001_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		break;
	case SENSOR_HV7131R:
		hv7131r_init_sensor(gspca_dev);
		if (gspca_dev->usb_err < 0)
			break;
		pr_info("HV7131R sensor detected\n");
		break;
	default:
		pr_err("Unsupported sensor\n");
		gspca_dev->usb_err = -ENODEV;
	}
	return gspca_dev->usb_err;
}

static void configure_sensor_output(struct gspca_dev *gspca_dev, int mode)
{
	struct sd *sd = (struct sd *) gspca_dev;
	u8 value;

	switch (sd->sensor) {
	case SENSOR_SOI968:
		if (mode & MODE_SXGA) {
			i2c_w1(gspca_dev, 0x17, 0x1d);
			i2c_w1(gspca_dev, 0x18, 0xbd);
			i2c_w1(gspca_dev, 0x19, 0x01);
			i2c_w1(gspca_dev, 0x1a, 0x81);
			i2c_w1(gspca_dev, 0x12, 0x00);
			sd->hstart = 140;
			sd->vstart = 19;
		} else {
			i2c_w1(gspca_dev, 0x17, 0x13);
			i2c_w1(gspca_dev, 0x18, 0x63);
			i2c_w1(gspca_dev, 0x19, 0x01);
			i2c_w1(gspca_dev, 0x1a, 0x79);
			i2c_w1(gspca_dev, 0x12, 0x40);
			sd->hstart = 60;
			sd->vstart = 11;
		}
		break;
	case SENSOR_OV9650:
		if (mode & MODE_SXGA) {
			i2c_w1(gspca_dev, 0x17, 0x1b);
			i2c_w1(gspca_dev, 0x18, 0xbc);
			i2c_w1(gspca_dev, 0x19, 0x01);
			i2c_w1(gspca_dev, 0x1a, 0x82);
			i2c_r1(gspca_dev, 0x12, &value);
			i2c_w1(gspca_dev, 0x12, value & 0x07);
		} else {
			i2c_w1(gspca_dev, 0x17, 0x24);
			i2c_w1(gspca_dev, 0x18, 0xc5);
			i2c_w1(gspca_dev, 0x19, 0x00);
			i2c_w1(gspca_dev, 0x1a, 0x3c);
			i2c_r1(gspca_dev, 0x12, &value);
			i2c_w1(gspca_dev, 0x12, (value & 0x7) | 0x40);
		}
		break;
	case SENSOR_MT9M112:
	case SENSOR_MT9M111:
		if (mode & MODE_SXGA) {
			i2c_w2(gspca_dev, 0xf0, 0x0002);
			i2c_w2(gspca_dev, 0xc8, 0x970b);
			i2c_w2(gspca_dev, 0xf0, 0x0000);
		} else {
			i2c_w2(gspca_dev, 0xf0, 0x0002);
			i2c_w2(gspca_dev, 0xc8, 0x8000);
			i2c_w2(gspca_dev, 0xf0, 0x0000);
		}
		break;
	}
}

static int sd_isoc_init(struct gspca_dev *gspca_dev)
{
	struct usb_interface *intf;
	u32 flags = gspca_dev->cam.cam_mode[(int)gspca_dev->curr_mode].priv;

	/*
	 * When using the SN9C20X_I420 fmt the sn9c20x needs more bandwidth
	 * than our regular bandwidth calculations reserve, so we force the
	 * use of a specific altsetting when using the SN9C20X_I420 fmt.
	 */
	if (!(flags & (MODE_RAW | MODE_JPEG))) {
		intf = usb_ifnum_to_if(gspca_dev->dev, gspca_dev->iface);

		if (intf->num_altsetting != 9) {
			pr_warn("sn9c20x camera with unknown number of alt "
				"settings (%d), please report!\n",
				intf->num_altsetting);
			gspca_dev->alt = intf->num_altsetting;
			return 0;
		}

		switch (gspca_dev->width) {
		case 160: /* 160x120 */
			gspca_dev->alt = 2;
			break;
		case 320: /* 320x240 */
			gspca_dev->alt = 6;
			break;
		default:  /* >= 640x480 */
			gspca_dev->alt = 9;
			break;
		}
	}

	return 0;
}

#define HW_WIN(mode, hstart, vstart) \
((const u8 []){hstart, 0, vstart, 0, \
(mode & MODE_SXGA ? 1280 >> 4 : 640 >> 4), \
(mode & MODE_SXGA ? 1024 >> 3 : 480 >> 3)})

#define CLR_WIN(width, height) \
((const u8 [])\
{0, width >> 2, 0, height >> 1,\
((width >> 10) & 0x01) | ((height >> 8) & 0x6)})

static int sd_start(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
	int width = gspca_dev->width;
	int height = gspca_dev->height;
	u8 fmt, scale = 0;

	jpeg_define(sd->jpeg_hdr, height, width,
			0x21);
	jpeg_set_qual(sd->jpeg_hdr, v4l2_ctrl_g_ctrl(sd->jpegqual));

	if (mode & MODE_RAW)
		fmt = 0x2d;
	else if (mode & MODE_JPEG)
		fmt = 0x24;
	else
		fmt = 0x2f;	/* YUV 420 */
	sd->fmt = fmt;

	switch (mode & SCALE_MASK) {
	case SCALE_1280x1024:
		scale = 0xc0;
		pr_info("Set 1280x1024\n");
		break;
	case SCALE_640x480:
		scale = 0x80;
		pr_info("Set 640x480\n");
		break;
	case SCALE_320x240:
		scale = 0x90;
		pr_info("Set 320x240\n");
		break;
	case SCALE_160x120:
		scale = 0xa0;
		pr_info("Set 160x120\n");
		break;
	}

	configure_sensor_output(gspca_dev, mode);
	reg_w(gspca_dev, 0x1100, &sd->jpeg_hdr[JPEG_QT0_OFFSET], 64);
	reg_w(gspca_dev, 0x1140, &sd->jpeg_hdr[JPEG_QT1_OFFSET], 64);
	reg_w(gspca_dev, 0x10fb, CLR_WIN(width, height), 5);
	reg_w(gspca_dev, 0x1180, HW_WIN(mode, sd->hstart, sd->vstart), 6);
	reg_w1(gspca_dev, 0x1189, scale);
	reg_w1(gspca_dev, 0x10e0, fmt);

	set_cmatrix(gspca_dev, v4l2_ctrl_g_ctrl(sd->brightness),
			v4l2_ctrl_g_ctrl(sd->contrast),
			v4l2_ctrl_g_ctrl(sd->saturation),
			v4l2_ctrl_g_ctrl(sd->hue));
	set_gamma(gspca_dev, v4l2_ctrl_g_ctrl(sd->gamma));
	set_redblue(gspca_dev, v4l2_ctrl_g_ctrl(sd->blue),
			v4l2_ctrl_g_ctrl(sd->red));
	if (sd->gain)
		set_gain(gspca_dev, v4l2_ctrl_g_ctrl(sd->gain));
	if (sd->exposure)
		set_exposure(gspca_dev, v4l2_ctrl_g_ctrl(sd->exposure));
	if (sd->hflip)
		set_hvflip(gspca_dev, v4l2_ctrl_g_ctrl(sd->hflip),
				v4l2_ctrl_g_ctrl(sd->vflip));

	reg_w1(gspca_dev, 0x1007, 0x20);
	reg_w1(gspca_dev, 0x1061, 0x03);

	/* if JPEG, prepare the compression quality update */
	if (mode & MODE_JPEG) {
		sd->pktsz = sd->npkt = 0;
		sd->nchg = 0;
		sd->work_thread =
			create_singlethread_workqueue(KBUILD_MODNAME);
	}

	return gspca_dev->usb_err;
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	reg_w1(gspca_dev, 0x1007, 0x00);
	reg_w1(gspca_dev, 0x1061, 0x01);
}

/* called on streamoff with alt==0 and on disconnect */
/* the usb_lock is held at entry - restore on exit */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	if (sd->work_thread != NULL) {
		mutex_unlock(&gspca_dev->usb_lock);
		destroy_workqueue(sd->work_thread);
		mutex_lock(&gspca_dev->usb_lock);
		sd->work_thread = NULL;
	}
}

static void do_autoexposure(struct gspca_dev *gspca_dev, u16 avg_lum)
{
	struct sd *sd = (struct sd *) gspca_dev;
	s32 cur_exp = v4l2_ctrl_g_ctrl(sd->exposure);
	s32 max = sd->exposure->maximum - sd->exposure_step;
	s32 min = sd->exposure->minimum + sd->exposure_step;
	s16 new_exp;

	/*
	 * some hardcoded values are present
	 * like those for maximal/minimal exposure
	 * and exposure steps
	 */
	if (avg_lum < MIN_AVG_LUM) {
		if (cur_exp > max)
			return;

		new_exp = cur_exp + sd->exposure_step;
		if (new_exp > max)
			new_exp = max;
		if (new_exp < min)
			new_exp = min;
		v4l2_ctrl_s_ctrl(sd->exposure, new_exp);

		sd->older_step = sd->old_step;
		sd->old_step = 1;

		if (sd->old_step ^ sd->older_step)
			sd->exposure_step /= 2;
		else
			sd->exposure_step += 2;
	}
	if (avg_lum > MAX_AVG_LUM) {
		if (cur_exp < min)
			return;
		new_exp = cur_exp - sd->exposure_step;
		if (new_exp > max)
			new_exp = max;
		if (new_exp < min)
			new_exp = min;
		v4l2_ctrl_s_ctrl(sd->exposure, new_exp);
		sd->older_step = sd->old_step;
		sd->old_step = 0;

		if (sd->old_step ^ sd->older_step)
			sd->exposure_step /= 2;
		else
			sd->exposure_step += 2;
	}
}

static void do_autogain(struct gspca_dev *gspca_dev, u16 avg_lum)
{
	struct sd *sd = (struct sd *) gspca_dev;
	s32 cur_gain = v4l2_ctrl_g_ctrl(sd->gain);

	if (avg_lum < MIN_AVG_LUM && cur_gain < sd->gain->maximum)
		v4l2_ctrl_s_ctrl(sd->gain, cur_gain + 1);
	if (avg_lum > MAX_AVG_LUM && cur_gain > sd->gain->minimum)
		v4l2_ctrl_s_ctrl(sd->gain, cur_gain - 1);
}

static void sd_dqcallback(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int avg_lum;

	if (sd->autogain == NULL || !v4l2_ctrl_g_ctrl(sd->autogain))
		return;

	avg_lum = atomic_read(&sd->avg_lum);
	if (sd->sensor == SENSOR_SOI968)
		do_autogain(gspca_dev, avg_lum);
	else
		do_autoexposure(gspca_dev, avg_lum);
}

/* JPEG quality update */
/* This function is executed from a work queue. */
static void qual_upd(struct work_struct *work)
{
	struct sd *sd = container_of(work, struct sd, work);
	struct gspca_dev *gspca_dev = &sd->gspca_dev;
	s32 qual = v4l2_ctrl_g_ctrl(sd->jpegqual);

	/* To protect gspca_dev->usb_buf and gspca_dev->usb_err */
	mutex_lock(&gspca_dev->usb_lock);
	PDEBUG(D_STREAM, "qual_upd %d%%", qual);
	gspca_dev->usb_err = 0;
	set_quality(gspca_dev, qual);
	mutex_unlock(&gspca_dev->usb_lock);
}

#if IS_ENABLED(CONFIG_INPUT)
static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
			u8 *data,		/* interrupt packet */
			int len)		/* interrupt packet length */
{
	struct sd *sd = (struct sd *) gspca_dev;

	if (!(sd->flags & HAS_NO_BUTTON) && len == 1) {
		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);
		input_sync(gspca_dev->input_dev);
		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 0);
		input_sync(gspca_dev->input_dev);
		return 0;
	}
	return -EINVAL;
}
#endif

/* check the JPEG compression */
static void transfer_check(struct gspca_dev *gspca_dev,
			u8 *data)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int new_qual, r;

	new_qual = 0;

	/* if USB error, discard the frame and decrease the quality */
	if (data[6] & 0x08) {				/* USB FIFO full */
		gspca_dev->last_packet_type = DISCARD_PACKET;
		new_qual = -5;
	} else {

		/* else, compute the filling rate and a new JPEG quality */
		r = (sd->pktsz * 100) /
			(sd->npkt *
				gspca_dev->urb[0]->iso_frame_desc[0].length);
		if (r >= 85)
			new_qual = -3;
		else if (r < 75)
			new_qual = 2;
	}
	if (new_qual != 0) {
		sd->nchg += new_qual;
		if (sd->nchg < -6 || sd->nchg >= 12) {
			/* Note: we are in interrupt context, so we can't
			   use v4l2_ctrl_g/s_ctrl here. Access the value
			   directly instead. */
			s32 curqual = sd->jpegqual->cur.val;
			sd->nchg = 0;
			new_qual += curqual;
			if (new_qual < sd->jpegqual->minimum)
				new_qual = sd->jpegqual->minimum;
			else if (new_qual > sd->jpegqual->maximum)
				new_qual = sd->jpegqual->maximum;
			if (new_qual != curqual) {
				sd->jpegqual->cur.val = new_qual;
				queue_work(sd->work_thread, &sd->work);
			}
		}
	} else {
		sd->nchg = 0;
	}
	sd->pktsz = sd->npkt = 0;
}

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			u8 *data,			/* isoc packet */
			int len)			/* iso packet length */
{
	struct sd *sd = (struct sd *) gspca_dev;
	int avg_lum, is_jpeg;
	static const u8 frame_header[] =
		{0xff, 0xff, 0x00, 0xc4, 0xc4, 0x96};

	is_jpeg = (sd->fmt & 0x03) == 0;
	if (len >= 64 && memcmp(data, frame_header, 6) == 0) {
		avg_lum = ((data[35] >> 2) & 3) |
			   (data[20] << 2) |
			   (data[19] << 10);
		avg_lum += ((data[35] >> 4) & 3) |
			    (data[22] << 2) |
			    (data[21] << 10);
		avg_lum += ((data[35] >> 6) & 3) |
			    (data[24] << 2) |
			    (data[23] << 10);
		avg_lum += (data[36] & 3) |
			   (data[26] << 2) |
			   (data[25] << 10);
		avg_lum += ((data[36] >> 2) & 3) |
			    (data[28] << 2) |
			    (data[27] << 10);
		avg_lum += ((data[36] >> 4) & 3) |
			    (data[30] << 2) |
			    (data[29] << 10);
		avg_lum += ((data[36] >> 6) & 3) |
			    (data[32] << 2) |
			    (data[31] << 10);
		avg_lum += ((data[44] >> 4) & 3) |
			    (data[34] << 2) |
			    (data[33] << 10);
		avg_lum >>= 9;
		atomic_set(&sd->avg_lum, avg_lum);

		if (is_jpeg)
			transfer_check(gspca_dev, data);

		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
		len -= 64;
		if (len == 0)
			return;
		data += 64;
	}
	if (gspca_dev->last_packet_type == LAST_PACKET) {
		if (is_jpeg) {
			gspca_frame_add(gspca_dev, FIRST_PACKET,
				sd->jpeg_hdr, JPEG_HDR_SZ);
			gspca_frame_add(gspca_dev, INTER_PACKET,
				data, len);
		} else {
			gspca_frame_add(gspca_dev, FIRST_PACKET,
				data, len);
		}
	} else {
		/* if JPEG, count the packets and their size */
		if (is_jpeg) {
			sd->npkt++;
			sd->pktsz += len;
		}
		gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
	}
}

/* sub-driver description */
static const struct sd_desc sd_desc = {
	.name = KBUILD_MODNAME,
	.config = sd_config,
	.init = sd_init,
	.init_controls = sd_init_controls,
	.isoc_init = sd_isoc_init,
	.start = sd_start,
	.stopN = sd_stopN,
	.stop0 = sd_stop0,
	.pkt_scan = sd_pkt_scan,
#if IS_ENABLED(CONFIG_INPUT)
	.int_pkt_scan = sd_int_pkt_scan,
#endif
	.dq_callback = sd_dqcallback,
#ifdef CONFIG_VIDEO_ADV_DEBUG
	.set_register = sd_dbg_s_register,
	.get_register = sd_dbg_g_register,
	.get_chip_info = sd_chip_info,
#endif
};

#define SN9C20X(sensor, i2c_addr, flags) \
	.driver_info =  ((flags & 0xff) << 16) \
			| (SENSOR_ ## sensor << 8) \
			| (i2c_addr)

static const struct usb_device_id device_table[] = {
	{USB_DEVICE(0x0c45, 0x6240), SN9C20X(MT9M001, 0x5d, 0)},
	{USB_DEVICE(0x0c45, 0x6242), SN9C20X(MT9M111, 0x5d, 0)},
	{USB_DEVICE(0x0c45, 0x6248), SN9C20X(OV9655, 0x30, 0)},
	{USB_DEVICE(0x0c45, 0x624c), SN9C20X(MT9M112, 0x5d, 0)},
	{USB_DEVICE(0x0c45, 0x624e), SN9C20X(SOI968, 0x30, LED_REVERSE)},
	{USB_DEVICE(0x0c45, 0x624f), SN9C20X(OV9650, 0x30,
					     (FLIP_DETECT | HAS_NO_BUTTON))},
	{USB_DEVICE(0x0c45, 0x6251), SN9C20X(OV9650, 0x30, 0)},
	{USB_DEVICE(0x0c45, 0x6253), SN9C20X(OV9650, 0x30, 0)},
	{USB_DEVICE(0x0c45, 0x6260), SN9C20X(OV7670, 0x21, 0)},
	{USB_DEVICE(0x0c45, 0x6270), SN9C20X(MT9VPRB, 0x00, 0)},
	{USB_DEVICE(0x0c45, 0x627b), SN9C20X(OV7660, 0x21, FLIP_DETECT)},
	{USB_DEVICE(0x0c45, 0x627c), SN9C20X(HV7131R, 0x11, 0)},
	{USB_DEVICE(0x0c45, 0x627f), SN9C20X(OV9650, 0x30, 0)},
	{USB_DEVICE(0x0c45, 0x6280), SN9C20X(MT9M001, 0x5d, 0)},
	{USB_DEVICE(0x0c45, 0x6282), SN9C20X(MT9M111, 0x5d, 0)},
	{USB_DEVICE(0x0c45, 0x6288), SN9C20X(OV9655, 0x30, 0)},
	{USB_DEVICE(0x0c45, 0x628c), SN9C20X(MT9M112, 0x5d, 0)},
	{USB_DEVICE(0x0c45, 0x628e), SN9C20X(SOI968, 0x30, 0)},
	{USB_DEVICE(0x0c45, 0x628f), SN9C20X(OV9650, 0x30, 0)},
	{USB_DEVICE(0x0c45, 0x62a0), SN9C20X(OV7670, 0x21, 0)},
	{USB_DEVICE(0x0c45, 0x62b0), SN9C20X(MT9VPRB, 0x00, 0)},
	{USB_DEVICE(0x0c45, 0x62b3), SN9C20X(OV9655, 0x30, LED_REVERSE)},
	{USB_DEVICE(0x0c45, 0x62bb), SN9C20X(OV7660, 0x21, LED_REVERSE)},
	{USB_DEVICE(0x0c45, 0x62bc), SN9C20X(HV7131R, 0x11, 0)},
	{USB_DEVICE(0x045e, 0x00f4), SN9C20X(OV9650, 0x30, 0)},
	{USB_DEVICE(0x145f, 0x013d), SN9C20X(OV7660, 0x21, 0)},
	{USB_DEVICE(0x0458, 0x7029), SN9C20X(HV7131R, 0x11, 0)},
	{USB_DEVICE(0x0458, 0x704a), SN9C20X(MT9M112, 0x5d, 0)},
	{USB_DEVICE(0x0458, 0x704c), SN9C20X(MT9M112, 0x5d, 0)},
	{USB_DEVICE(0xa168, 0x0610), SN9C20X(HV7131R, 0x11, 0)},
	{USB_DEVICE(0xa168, 0x0611), SN9C20X(HV7131R, 0x11, 0)},
	{USB_DEVICE(0xa168, 0x0613), SN9C20X(HV7131R, 0x11, 0)},
	{USB_DEVICE(0xa168, 0x0618), SN9C20X(HV7131R, 0x11, 0)},
	{USB_DEVICE(0xa168, 0x0614), SN9C20X(MT9M111, 0x5d, 0)},
	{USB_DEVICE(0xa168, 0x0615), SN9C20X(MT9M111, 0x5d, 0)},
	{USB_DEVICE(0xa168, 0x0617), SN9C20X(MT9M111, 0x5d, 0)},
	{}
};
MODULE_DEVICE_TABLE(usb, device_table);

/* -- device connect -- */
static int sd_probe(struct usb_interface *intf,
		    const struct usb_device_id *id)
{
	return gspca_dev_probe(intf, id, &sd_desc, sizeof(struct sd),
				THIS_MODULE);
}

static struct usb_driver sd_driver = {
	.name = KBUILD_MODNAME,
	.id_table = device_table,
	.probe = sd_probe,
	.disconnect = gspca_disconnect,
#ifdef CONFIG_PM
	.suspend = gspca_suspend,
	.resume = gspca_resume,
	.reset_resume = gspca_resume,
#endif
};

module_usb_driver(sd_driver);