summaryrefslogtreecommitdiff
path: root/drivers/media/usb/gspca/spca505.c
blob: 232b330d2dd3717c493e1b9aebd218fff9ad9f58 (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
/*
 * SPCA505 chip based cameras initialization data
 *
 * V4L2 by Jean-Francis Moine <http://moinejf.free.fr>
 *
 * 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

#define MODULE_NAME "spca505"

#include "gspca.h"

MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("GSPCA/SPCA505 USB Camera Driver");
MODULE_LICENSE("GPL");

/* specific webcam descriptor */
struct sd {
	struct gspca_dev gspca_dev;		/* !! must be the first item */

	u8 subtype;
#define IntelPCCameraPro 0
#define Nxultra 1
};

static const struct v4l2_pix_format vga_mode[] = {
	{160, 120, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120 * 3 / 2,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 4},
	{176, 144, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
		.bytesperline = 176,
		.sizeimage = 176 * 144 * 3 / 2,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 3},
	{320, 240, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 3 / 2,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 2},
	{352, 288, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
		.bytesperline = 352,
		.sizeimage = 352 * 288 * 3 / 2,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 1},
	{640, 480, V4L2_PIX_FMT_SPCA505, V4L2_FIELD_NONE,
		.bytesperline = 640,
		.sizeimage = 640 * 480 * 3 / 2,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 0},
};

#define SPCA50X_OFFSET_DATA 10

#define SPCA50X_REG_USB 0x02	/* spca505 501 */

#define SPCA50X_USB_CTRL 0x00	/* spca505 */
#define SPCA50X_CUSB_ENABLE 0x01 /* spca505 */

#define SPCA50X_REG_GLOBAL 0x03	/* spca505 */
#define SPCA50X_GMISC0_IDSEL 0x01 /* Global control device ID select spca505 */
#define SPCA50X_GLOBAL_MISC0 0x00 /* Global control miscellaneous 0 spca505 */

#define SPCA50X_GLOBAL_MISC1 0x01 /* 505 */
#define SPCA50X_GLOBAL_MISC3 0x03 /* 505 */
#define SPCA50X_GMISC3_SAA7113RST 0x20	/* Not sure about this one spca505 */

/* Image format and compression control */
#define SPCA50X_REG_COMPRESS 0x04

/*
 * Data to initialize a SPCA505. Common to the CCD and external modes
 */
static const u8 spca505_init_data[][3] = {
	/* bmRequest,value,index */
	{SPCA50X_REG_GLOBAL, SPCA50X_GMISC3_SAA7113RST, SPCA50X_GLOBAL_MISC3},
	/* Sensor reset */
	{SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC3},
	{SPCA50X_REG_GLOBAL, 0x00, SPCA50X_GLOBAL_MISC1},
	/* Block USB reset */
	{SPCA50X_REG_GLOBAL, SPCA50X_GMISC0_IDSEL, SPCA50X_GLOBAL_MISC0},

	{0x05, 0x01, 0x10},
					/* Maybe power down some stuff */
	{0x05, 0x0f, 0x11},

	/* Setup internal CCD  ? */
	{0x06, 0x10, 0x08},
	{0x06, 0x00, 0x09},
	{0x06, 0x00, 0x0a},
	{0x06, 0x00, 0x0b},
	{0x06, 0x10, 0x0c},
	{0x06, 0x00, 0x0d},
	{0x06, 0x00, 0x0e},
	{0x06, 0x00, 0x0f},
	{0x06, 0x10, 0x10},
	{0x06, 0x02, 0x11},
	{0x06, 0x00, 0x12},
	{0x06, 0x04, 0x13},
	{0x06, 0x02, 0x14},
	{0x06, 0x8a, 0x51},
	{0x06, 0x40, 0x52},
	{0x06, 0xb6, 0x53},
	{0x06, 0x3d, 0x54},
	{}
};

/*
 * Data to initialize the camera using the internal CCD
 */
static const u8 spca505_open_data_ccd[][3] = {
	/* bmRequest,value,index */
	/* Internal CCD data set */
	{0x03, 0x04, 0x01},
	/* This could be a reset */
	{0x03, 0x00, 0x01},

	/* Setup compression and image registers. 0x6 and 0x7 seem to be
	   related to H&V hold, and are resolution mode specific */
		{0x04, 0x10, 0x01},
		/* DIFF(0x50), was (0x10) */
	{0x04, 0x00, 0x04},
	{0x04, 0x00, 0x05},
	{0x04, 0x20, 0x06},
	{0x04, 0x20, 0x07},

	{0x08, 0x0a, 0x00},
	/* DIFF (0x4a), was (0xa) */

	{0x05, 0x00, 0x10},
	{0x05, 0x00, 0x11},
	{0x05, 0x00, 0x00},
	/* DIFF not written */
	{0x05, 0x00, 0x01},
	/* DIFF not written */
	{0x05, 0x00, 0x02},
	/* DIFF not written */
	{0x05, 0x00, 0x03},
	/* DIFF not written */
	{0x05, 0x00, 0x04},
	/* DIFF not written */
		{0x05, 0x80, 0x05},
		/* DIFF not written */
		{0x05, 0xe0, 0x06},
		/* DIFF not written */
		{0x05, 0x20, 0x07},
		/* DIFF not written */
		{0x05, 0xa0, 0x08},
		/* DIFF not written */
		{0x05, 0x0, 0x12},
		/* DIFF not written */
	{0x05, 0x02, 0x0f},
	/* DIFF not written */
		{0x05, 0x10, 0x46},
		/* DIFF not written */
		{0x05, 0x8, 0x4a},
		/* DIFF not written */

	{0x03, 0x08, 0x03},
	/* DIFF (0x3,0x28,0x3) */
	{0x03, 0x08, 0x01},
	{0x03, 0x0c, 0x03},
	/* DIFF not written */
		{0x03, 0x21, 0x00},
		/* DIFF (0x39) */

/* Extra block copied from init to hopefully ensure CCD is in a sane state */
	{0x06, 0x10, 0x08},
	{0x06, 0x00, 0x09},
	{0x06, 0x00, 0x0a},
	{0x06, 0x00, 0x0b},
	{0x06, 0x10, 0x0c},
	{0x06, 0x00, 0x0d},
	{0x06, 0x00, 0x0e},
	{0x06, 0x00, 0x0f},
	{0x06, 0x10, 0x10},
	{0x06, 0x02, 0x11},
	{0x06, 0x00, 0x12},
	{0x06, 0x04, 0x13},
	{0x06, 0x02, 0x14},
	{0x06, 0x8a, 0x51},
	{0x06, 0x40, 0x52},
	{0x06, 0xb6, 0x53},
	{0x06, 0x3d, 0x54},
	/* End of extra block */

		{0x06, 0x3f, 0x1},
		/* Block skipped */
	{0x06, 0x10, 0x02},
	{0x06, 0x64, 0x07},
	{0x06, 0x10, 0x08},
	{0x06, 0x00, 0x09},
	{0x06, 0x00, 0x0a},
	{0x06, 0x00, 0x0b},
	{0x06, 0x10, 0x0c},
	{0x06, 0x00, 0x0d},
	{0x06, 0x00, 0x0e},
	{0x06, 0x00, 0x0f},
	{0x06, 0x10, 0x10},
	{0x06, 0x02, 0x11},
	{0x06, 0x00, 0x12},
	{0x06, 0x04, 0x13},
	{0x06, 0x02, 0x14},
	{0x06, 0x8a, 0x51},
	{0x06, 0x40, 0x52},
	{0x06, 0xb6, 0x53},
	{0x06, 0x3d, 0x54},
	{0x06, 0x60, 0x57},
	{0x06, 0x20, 0x58},
	{0x06, 0x15, 0x59},
	{0x06, 0x05, 0x5a},

	{0x05, 0x01, 0xc0},
	{0x05, 0x10, 0xcb},
		{0x05, 0x80, 0xc1},
		/* */
		{0x05, 0x0, 0xc2},
		/* 4 was 0 */
	{0x05, 0x00, 0xca},
		{0x05, 0x80, 0xc1},
		/*  */
	{0x05, 0x04, 0xc2},
	{0x05, 0x00, 0xca},
		{0x05, 0x0, 0xc1},
		/*  */
	{0x05, 0x00, 0xc2},
	{0x05, 0x00, 0xca},
		{0x05, 0x40, 0xc1},
		/* */
	{0x05, 0x17, 0xc2},
	{0x05, 0x00, 0xca},
		{0x05, 0x80, 0xc1},
		/* */
	{0x05, 0x06, 0xc2},
	{0x05, 0x00, 0xca},
		{0x05, 0x80, 0xc1},
		/* */
	{0x05, 0x04, 0xc2},
	{0x05, 0x00, 0xca},

	{0x03, 0x4c, 0x3},
	{0x03, 0x18, 0x1},

	{0x06, 0x70, 0x51},
	{0x06, 0xbe, 0x53},
	{0x06, 0x71, 0x57},
	{0x06, 0x20, 0x58},
	{0x06, 0x05, 0x59},
	{0x06, 0x15, 0x5a},

	{0x04, 0x00, 0x08},
	/* Compress = OFF (0x1 to turn on) */
	{0x04, 0x12, 0x09},
	{0x04, 0x21, 0x0a},
	{0x04, 0x10, 0x0b},
	{0x04, 0x21, 0x0c},
	{0x04, 0x05, 0x00},
	/* was 5 (Image Type ? ) */
	{0x04, 0x00, 0x01},

	{0x06, 0x3f, 0x01},

	{0x04, 0x00, 0x04},
	{0x04, 0x00, 0x05},
	{0x04, 0x40, 0x06},
	{0x04, 0x40, 0x07},

	{0x06, 0x1c, 0x17},
	{0x06, 0xe2, 0x19},
	{0x06, 0x1c, 0x1b},
	{0x06, 0xe2, 0x1d},
	{0x06, 0xaa, 0x1f},
	{0x06, 0x70, 0x20},

	{0x05, 0x01, 0x10},
	{0x05, 0x00, 0x11},
	{0x05, 0x01, 0x00},
	{0x05, 0x05, 0x01},
		{0x05, 0x00, 0xc1},
		/* */
	{0x05, 0x00, 0xc2},
	{0x05, 0x00, 0xca},

	{0x06, 0x70, 0x51},
	{0x06, 0xbe, 0x53},
	{}
};

/*
 * Made by Tomasz Zablocki (skalamandra@poczta.onet.pl)
 * SPCA505b chip based cameras initialization data
 */
/* jfm */
#define initial_brightness 0x7f	/* 0x0(white)-0xff(black) */
/* #define initial_brightness 0x0	//0x0(white)-0xff(black) */
/*
 * Data to initialize a SPCA505. Common to the CCD and external modes
 */
static const u8 spca505b_init_data[][3] = {
/* start */
	{0x02, 0x00, 0x00},		/* init */
	{0x02, 0x00, 0x01},
	{0x02, 0x00, 0x02},
	{0x02, 0x00, 0x03},
	{0x02, 0x00, 0x04},
	{0x02, 0x00, 0x05},
	{0x02, 0x00, 0x06},
	{0x02, 0x00, 0x07},
	{0x02, 0x00, 0x08},
	{0x02, 0x00, 0x09},
	{0x03, 0x00, 0x00},
	{0x03, 0x00, 0x01},
	{0x03, 0x00, 0x02},
	{0x03, 0x00, 0x03},
	{0x03, 0x00, 0x04},
	{0x03, 0x00, 0x05},
	{0x03, 0x00, 0x06},
	{0x04, 0x00, 0x00},
	{0x04, 0x00, 0x02},
	{0x04, 0x00, 0x04},
	{0x04, 0x00, 0x05},
	{0x04, 0x00, 0x06},
	{0x04, 0x00, 0x07},
	{0x04, 0x00, 0x08},
	{0x04, 0x00, 0x09},
	{0x04, 0x00, 0x0a},
	{0x04, 0x00, 0x0b},
	{0x04, 0x00, 0x0c},
	{0x07, 0x00, 0x00},
	{0x07, 0x00, 0x03},
	{0x08, 0x00, 0x00},
	{0x08, 0x00, 0x01},
	{0x08, 0x00, 0x02},
	{0x06, 0x18, 0x08},
	{0x06, 0xfc, 0x09},
	{0x06, 0xfc, 0x0a},
	{0x06, 0xfc, 0x0b},
	{0x06, 0x18, 0x0c},
	{0x06, 0xfc, 0x0d},
	{0x06, 0xfc, 0x0e},
	{0x06, 0xfc, 0x0f},
	{0x06, 0x18, 0x10},
	{0x06, 0xfe, 0x12},
	{0x06, 0x00, 0x11},
	{0x06, 0x00, 0x14},
	{0x06, 0x00, 0x13},
	{0x06, 0x28, 0x51},
	{0x06, 0xff, 0x53},
	{0x02, 0x00, 0x08},

	{0x03, 0x00, 0x03},
	{0x03, 0x10, 0x03},
	{}
};

/*
 * Data to initialize the camera using the internal CCD
 */
static const u8 spca505b_open_data_ccd[][3] = {

/* {0x02,0x00,0x00}, */
	{0x03, 0x04, 0x01},		/* rst */
	{0x03, 0x00, 0x01},
	{0x03, 0x00, 0x00},
	{0x03, 0x21, 0x00},
	{0x03, 0x00, 0x04},
	{0x03, 0x00, 0x03},
	{0x03, 0x18, 0x03},
	{0x03, 0x08, 0x01},
	{0x03, 0x1c, 0x03},
	{0x03, 0x5c, 0x03},
	{0x03, 0x5c, 0x03},
	{0x03, 0x18, 0x01},

/* same as 505 */
	{0x04, 0x10, 0x01},
	{0x04, 0x00, 0x04},
	{0x04, 0x00, 0x05},
	{0x04, 0x20, 0x06},
	{0x04, 0x20, 0x07},

	{0x08, 0x0a, 0x00},

	{0x05, 0x00, 0x10},
	{0x05, 0x00, 0x11},
	{0x05, 0x00, 0x12},
	{0x05, 0x6f, 0x00},
	{0x05, initial_brightness >> 6, 0x00},
	{0x05, (initial_brightness << 2) & 0xff, 0x01},
	{0x05, 0x00, 0x02},
	{0x05, 0x01, 0x03},
	{0x05, 0x00, 0x04},
	{0x05, 0x03, 0x05},
	{0x05, 0xe0, 0x06},
	{0x05, 0x20, 0x07},
	{0x05, 0xa0, 0x08},
	{0x05, 0x00, 0x12},
	{0x05, 0x02, 0x0f},
	{0x05, 0x80, 0x14},		/* max exposure off (0=on) */
	{0x05, 0x01, 0xb0},
	{0x05, 0x01, 0xbf},
	{0x03, 0x02, 0x06},
	{0x05, 0x10, 0x46},
	{0x05, 0x08, 0x4a},

	{0x06, 0x00, 0x01},
	{0x06, 0x10, 0x02},
	{0x06, 0x64, 0x07},
	{0x06, 0x18, 0x08},
	{0x06, 0xfc, 0x09},
	{0x06, 0xfc, 0x0a},
	{0x06, 0xfc, 0x0b},
	{0x04, 0x00, 0x01},
	{0x06, 0x18, 0x0c},
	{0x06, 0xfc, 0x0d},
	{0x06, 0xfc, 0x0e},
	{0x06, 0xfc, 0x0f},
	{0x06, 0x11, 0x10},		/* contrast */
	{0x06, 0x00, 0x11},
	{0x06, 0xfe, 0x12},
	{0x06, 0x00, 0x13},
	{0x06, 0x00, 0x14},
	{0x06, 0x9d, 0x51},
	{0x06, 0x40, 0x52},
	{0x06, 0x7c, 0x53},
	{0x06, 0x40, 0x54},
	{0x06, 0x02, 0x57},
	{0x06, 0x03, 0x58},
	{0x06, 0x15, 0x59},
	{0x06, 0x05, 0x5a},
	{0x06, 0x03, 0x56},
	{0x06, 0x02, 0x3f},
	{0x06, 0x00, 0x40},
	{0x06, 0x39, 0x41},
	{0x06, 0x69, 0x42},
	{0x06, 0x87, 0x43},
	{0x06, 0x9e, 0x44},
	{0x06, 0xb1, 0x45},
	{0x06, 0xbf, 0x46},
	{0x06, 0xcc, 0x47},
	{0x06, 0xd5, 0x48},
	{0x06, 0xdd, 0x49},
	{0x06, 0xe3, 0x4a},
	{0x06, 0xe8, 0x4b},
	{0x06, 0xed, 0x4c},
	{0x06, 0xf2, 0x4d},
	{0x06, 0xf7, 0x4e},
	{0x06, 0xfc, 0x4f},
	{0x06, 0xff, 0x50},

	{0x05, 0x01, 0xc0},
	{0x05, 0x10, 0xcb},
	{0x05, 0x40, 0xc1},
	{0x05, 0x04, 0xc2},
	{0x05, 0x00, 0xca},
	{0x05, 0x40, 0xc1},
	{0x05, 0x09, 0xc2},
	{0x05, 0x00, 0xca},
	{0x05, 0xc0, 0xc1},
	{0x05, 0x09, 0xc2},
	{0x05, 0x00, 0xca},
	{0x05, 0x40, 0xc1},
	{0x05, 0x59, 0xc2},
	{0x05, 0x00, 0xca},
	{0x04, 0x00, 0x01},
	{0x05, 0x80, 0xc1},
	{0x05, 0xec, 0xc2},
	{0x05, 0x0, 0xca},

	{0x06, 0x02, 0x57},
	{0x06, 0x01, 0x58},
	{0x06, 0x15, 0x59},
	{0x06, 0x0a, 0x5a},
	{0x06, 0x01, 0x57},
	{0x06, 0x8a, 0x03},
	{0x06, 0x0a, 0x6c},
	{0x06, 0x30, 0x01},
	{0x06, 0x20, 0x02},
	{0x06, 0x00, 0x03},

	{0x05, 0x8c, 0x25},

	{0x06, 0x4d, 0x51},		/* maybe saturation (4d) */
	{0x06, 0x84, 0x53},		/* making green (84) */
	{0x06, 0x00, 0x57},		/* sharpness (1) */
	{0x06, 0x18, 0x08},
	{0x06, 0xfc, 0x09},
	{0x06, 0xfc, 0x0a},
	{0x06, 0xfc, 0x0b},
	{0x06, 0x18, 0x0c},		/* maybe hue (18) */
	{0x06, 0xfc, 0x0d},
	{0x06, 0xfc, 0x0e},
	{0x06, 0xfc, 0x0f},
	{0x06, 0x18, 0x10},		/* maybe contrast (18) */

	{0x05, 0x01, 0x02},

	{0x04, 0x00, 0x08},		/* compression */
	{0x04, 0x12, 0x09},
	{0x04, 0x21, 0x0a},
	{0x04, 0x10, 0x0b},
	{0x04, 0x21, 0x0c},
	{0x04, 0x1d, 0x00},		/* imagetype (1d) */
	{0x04, 0x41, 0x01},		/* hardware snapcontrol */

	{0x04, 0x00, 0x04},
	{0x04, 0x00, 0x05},
	{0x04, 0x10, 0x06},
	{0x04, 0x10, 0x07},
	{0x04, 0x40, 0x06},
	{0x04, 0x40, 0x07},
	{0x04, 0x00, 0x04},
	{0x04, 0x00, 0x05},

	{0x06, 0x1c, 0x17},
	{0x06, 0xe2, 0x19},
	{0x06, 0x1c, 0x1b},
	{0x06, 0xe2, 0x1d},
	{0x06, 0x5f, 0x1f},
	{0x06, 0x32, 0x20},

	{0x05, initial_brightness >> 6, 0x00},
	{0x05, (initial_brightness << 2) & 0xff, 0x01},
	{0x05, 0x06, 0xc1},
	{0x05, 0x58, 0xc2},
	{0x05, 0x00, 0xca},
	{0x05, 0x00, 0x11},
	{}
};

static int reg_write(struct gspca_dev *gspca_dev,
		     u16 req, u16 index, u16 value)
{
	int ret;
	struct usb_device *dev = gspca_dev->dev;

	ret = usb_control_msg(dev,
			usb_sndctrlpipe(dev, 0),
			req,
			USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			value, index, NULL, 0, 500);
	PDEBUG(D_USBO, "reg write: 0x%02x,0x%02x:0x%02x, %d",
		req, index, value, ret);
	if (ret < 0)
		pr_err("reg write: error %d\n", ret);
	return ret;
}

/* returns: negative is error, pos or zero is data */
static int reg_read(struct gspca_dev *gspca_dev,
			u16 req,	/* bRequest */
			u16 index)	/* wIndex */
{
	int ret;

	ret = usb_control_msg(gspca_dev->dev,
			usb_rcvctrlpipe(gspca_dev->dev, 0),
			req,
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0,			/* value */
			index,
			gspca_dev->usb_buf, 2,
			500);			/* timeout */
	if (ret < 0)
		return ret;
	return (gspca_dev->usb_buf[1] << 8) + gspca_dev->usb_buf[0];
}

static int write_vector(struct gspca_dev *gspca_dev,
			const u8 data[][3])
{
	int ret, i = 0;

	while (data[i][0] != 0) {
		ret = reg_write(gspca_dev, data[i][0], data[i][2],
								data[i][1]);
		if (ret < 0)
			return ret;
		i++;
	}
	return 0;
}

/* this function is called at probe time */
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->cam_mode = vga_mode;
	sd->subtype = id->driver_info;
	if (sd->subtype != IntelPCCameraPro)
		cam->nmodes = ARRAY_SIZE(vga_mode);
	else			/* no 640x480 for IntelPCCameraPro */
		cam->nmodes = ARRAY_SIZE(vga_mode) - 1;

	return 0;
}

/* this function is called at probe and resume time */
static int sd_init(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	if (write_vector(gspca_dev,
			 sd->subtype == Nxultra
				? spca505b_init_data
				: spca505_init_data))
		return -EIO;
	return 0;
}

static void setbrightness(struct gspca_dev *gspca_dev, s32 brightness)
{
	reg_write(gspca_dev, 0x05, 0x00, (255 - brightness) >> 6);
	reg_write(gspca_dev, 0x05, 0x01, (255 - brightness) << 2);
}

static int sd_start(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int ret, mode;
	static u8 mode_tb[][3] = {
	/*	  r00   r06   r07	*/
		{0x00, 0x10, 0x10},	/* 640x480 */
		{0x01, 0x1a, 0x1a},	/* 352x288 */
		{0x02, 0x1c, 0x1d},	/* 320x240 */
		{0x04, 0x34, 0x34},	/* 176x144 */
		{0x05, 0x40, 0x40}	/* 160x120 */
	};

	if (sd->subtype == Nxultra)
		write_vector(gspca_dev, spca505b_open_data_ccd);
	else
		write_vector(gspca_dev, spca505_open_data_ccd);
	ret = reg_read(gspca_dev, 0x06, 0x16);

	if (ret < 0) {
		PERR("register read failed err: %d", ret);
		return ret;
	}
	if (ret != 0x0101) {
		pr_err("After vector read returns 0x%04x should be 0x0101\n",
		       ret);
	}

	ret = reg_write(gspca_dev, 0x06, 0x16, 0x0a);
	if (ret < 0)
		return ret;
	reg_write(gspca_dev, 0x05, 0xc2, 0x12);

	/* necessary because without it we can see stream
	 * only once after loading module */
	/* stopping usb registers Tomasz change */
	reg_write(gspca_dev, 0x02, 0x00, 0x00);

	mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
	reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x00, mode_tb[mode][0]);
	reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x06, mode_tb[mode][1]);
	reg_write(gspca_dev, SPCA50X_REG_COMPRESS, 0x07, mode_tb[mode][2]);

	return reg_write(gspca_dev, SPCA50X_REG_USB,
			 SPCA50X_USB_CTRL,
			 SPCA50X_CUSB_ENABLE);
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	/* Disable ISO packet machine */
	reg_write(gspca_dev, 0x02, 0x00, 0x00);
}

/* called on streamoff with alt 0 and on disconnect */
static void sd_stop0(struct gspca_dev *gspca_dev)
{
	if (!gspca_dev->present)
		return;

	/* This maybe reset or power control */
	reg_write(gspca_dev, 0x03, 0x03, 0x20);
	reg_write(gspca_dev, 0x03, 0x01, 0x00);
	reg_write(gspca_dev, 0x03, 0x00, 0x01);
	reg_write(gspca_dev, 0x05, 0x10, 0x01);
	reg_write(gspca_dev, 0x05, 0x11, 0x0f);
}

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			u8 *data,			/* isoc packet */
			int len)			/* iso packet length */
{
	switch (data[0]) {
	case 0:				/* start of frame */
		gspca_frame_add(gspca_dev, LAST_PACKET, NULL, 0);
		data += SPCA50X_OFFSET_DATA;
		len -= SPCA50X_OFFSET_DATA;
		gspca_frame_add(gspca_dev, FIRST_PACKET, data, len);
		break;
	case 0xff:			/* drop */
		break;
	default:
		data += 1;
		len -= 1;
		gspca_frame_add(gspca_dev, INTER_PACKET, data, len);
		break;
	}
}

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

	gspca_dev->usb_err = 0;

	if (!gspca_dev->streaming)
		return 0;

	switch (ctrl->id) {
	case V4L2_CID_BRIGHTNESS:
		setbrightness(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 v4l2_ctrl_handler *hdl = &gspca_dev->ctrl_handler;

	gspca_dev->vdev.ctrl_handler = hdl;
	v4l2_ctrl_handler_init(hdl, 5);
	v4l2_ctrl_new_std(hdl, &sd_ctrl_ops,
			V4L2_CID_BRIGHTNESS, 0, 255, 1, 127);

	if (hdl->error) {
		pr_err("Could not initialize controls\n");
		return hdl->error;
	}
	return 0;
}

/* sub-driver description */
static const struct sd_desc sd_desc = {
	.name = MODULE_NAME,
	.config = sd_config,
	.init_controls = sd_init_controls,
	.init = sd_init,
	.start = sd_start,
	.stopN = sd_stopN,
	.stop0 = sd_stop0,
	.pkt_scan = sd_pkt_scan,
};

/* -- module initialisation -- */
static const struct usb_device_id device_table[] = {
	{USB_DEVICE(0x041e, 0x401d), .driver_info = Nxultra},
	{USB_DEVICE(0x0733, 0x0430), .driver_info = IntelPCCameraPro},
/*fixme: may be UsbGrabberPV321 BRIDGE_SPCA506 SENSOR_SAA7113 */
	{}
};
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 = MODULE_NAME,
	.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);