summaryrefslogtreecommitdiff
path: root/drivers/media/video/gspca/spca561.c
blob: b659bd0f788da4d86afbbf2b21787ab443756637 (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
/*
 * Sunplus spca561 subdriver
 *
 * Copyright (C) 2004 Michel Xhaard mxhaard@magic.fr
 *
 * V4L2 by Jean-Francois 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 MODULE_NAME "spca561"

#include "gspca.h"

#define DRIVER_VERSION_NUMBER	KERNEL_VERSION(2, 1, 7)
static const char version[] = "2.1.7";

MODULE_AUTHOR("Michel Xhaard <mxhaard@users.sourceforge.net>");
MODULE_DESCRIPTION("GSPCA/SPCA561 USB Camera Driver");
MODULE_LICENSE("GPL");

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

	unsigned short contrast;
	__u8 brightness;
	__u8 autogain;

	__u8 chip_revision;
	signed char ag_cnt;
#define AG_CNT_START 13
};

/* V4L2 controls supported by the driver */
static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val);
static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val);
static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val);

static struct ctrl sd_ctrls[] = {
#define SD_BRIGHTNESS 0
	{
	 {
	  .id = V4L2_CID_BRIGHTNESS,
	  .type = V4L2_CTRL_TYPE_INTEGER,
	  .name = "Brightness",
	  .minimum = 0,
	  .maximum = 63,
	  .step = 1,
	  .default_value = 32,
	  },
	 .set = sd_setbrightness,
	 .get = sd_getbrightness,
	 },
#define SD_CONTRAST 1
	{
	 {
	  .id = V4L2_CID_CONTRAST,
	  .type = V4L2_CTRL_TYPE_INTEGER,
	  .name = "Contrast",
	  .minimum = 0,
	  .maximum = 0x3fff,
	  .step = 1,
	  .default_value = 0x2000,
	  },
	 .set = sd_setcontrast,
	 .get = sd_getcontrast,
	 },
#define SD_AUTOGAIN 2
	{
	 {
	  .id = V4L2_CID_AUTOGAIN,
	  .type = V4L2_CTRL_TYPE_BOOLEAN,
	  .name = "Auto Gain",
	  .minimum = 0,
	  .maximum = 1,
	  .step = 1,
	  .default_value = 1,
	  },
	 .set = sd_setautogain,
	 .get = sd_getautogain,
	 },
};

static struct v4l2_pix_format sif_mode[] = {
	{160, 120, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
		.bytesperline = 160,
		.sizeimage = 160 * 120,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 3},
	{176, 144, V4L2_PIX_FMT_SGBRG8, V4L2_FIELD_NONE,
		.bytesperline = 176,
		.sizeimage = 176 * 144,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 2},
	{320, 240, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
		.bytesperline = 320,
		.sizeimage = 320 * 240 * 4 / 8,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 1},
	{352, 288, V4L2_PIX_FMT_SPCA561, V4L2_FIELD_NONE,
		.bytesperline = 352,
		.sizeimage = 352 * 288 * 4 / 8,
		.colorspace = V4L2_COLORSPACE_SRGB,
		.priv = 0},
};

/*
 * Initialization data
 * I'm not very sure how to split initialization from open data
 * chunks. For now, we'll consider everything as initialization
 */
/* Frame packet header offsets for the spca561 */
#define SPCA561_OFFSET_SNAP 1
#define SPCA561_OFFSET_TYPE 2
#define SPCA561_OFFSET_COMPRESS 3
#define SPCA561_OFFSET_FRAMSEQ   4
#define SPCA561_OFFSET_GPIO 5
#define SPCA561_OFFSET_USBBUFF 6
#define SPCA561_OFFSET_WIN2GRAVE 7
#define SPCA561_OFFSET_WIN2RAVE 8
#define SPCA561_OFFSET_WIN2BAVE 9
#define SPCA561_OFFSET_WIN2GBAVE 10
#define SPCA561_OFFSET_WIN1GRAVE 11
#define SPCA561_OFFSET_WIN1RAVE 12
#define SPCA561_OFFSET_WIN1BAVE 13
#define SPCA561_OFFSET_WIN1GBAVE 14
#define SPCA561_OFFSET_FREQ 15
#define SPCA561_OFFSET_VSYNC 16
#define SPCA561_OFFSET_DATA 1
#define SPCA561_INDEX_I2C_BASE 0x8800
#define SPCA561_SNAPBIT 0x20
#define SPCA561_SNAPCTRL 0x40
enum {
	Rev072A = 0,
	Rev012A,
};

static void reg_w_val(struct usb_device *dev, __u16 index, __u16 value)
{
	int ret;

	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
			      0,		/* request */
			      USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			      value, index, NULL, 0, 500);
	PDEBUG(D_USBO, "reg write: 0x%02x:0x%02x", index, value);
	if (ret < 0)
		PDEBUG(D_ERR, "reg write: error %d", ret);
}

static void write_vector(struct gspca_dev *gspca_dev,
			const __u16 data[][2])
{
	struct usb_device *dev = gspca_dev->dev;
	int i;

	i = 0;
	while (data[i][1] != 0) {
		reg_w_val(dev, data[i][1], data[i][0]);
		i++;
	}
}

/* read 'len' bytes to gspca_dev->usb_buf */
static void reg_r(struct gspca_dev *gspca_dev,
		  __u16 index, __u16 length)
{
	usb_control_msg(gspca_dev->dev,
			usb_rcvctrlpipe(gspca_dev->dev, 0),
			0,			/* request */
			USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0,			/* value */
			index, gspca_dev->usb_buf, length, 500);
}

static void reg_w_buf(struct gspca_dev *gspca_dev,
		      __u16 index, const __u8 *buffer, __u16 len)
{
	memcpy(gspca_dev->usb_buf, buffer, len);
	usb_control_msg(gspca_dev->dev,
			usb_sndctrlpipe(gspca_dev->dev, 0),
			0,			/* request */
			USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
			0,			/* value */
			index, gspca_dev->usb_buf, len, 500);
}

static void i2c_init(struct gspca_dev *gspca_dev, __u8 mode)
{
	reg_w_val(gspca_dev->dev, 0x92, 0x8804);
	reg_w_val(gspca_dev->dev, mode, 0x8802);
}

static void i2c_write(struct gspca_dev *gspca_dev, __u16 valeur, __u16 reg)
{
	int retry = 60;
	__u8 DataLow;
	__u8 DataHight;

	DataLow = valeur;
	DataHight = valeur >> 8;
	reg_w_val(gspca_dev->dev, reg, 0x8801);
	reg_w_val(gspca_dev->dev, DataLow, 0x8805);
	reg_w_val(gspca_dev->dev, DataHight, 0x8800);
	while (retry--) {
		reg_r(gspca_dev, 0x8803, 1);
		if (!gspca_dev->usb_buf[0])
			break;
	}
}

static int i2c_read(struct gspca_dev *gspca_dev, __u16 reg, __u8 mode)
{
	int retry = 60;
	__u8 value;
	__u8 vallsb;

	reg_w_val(gspca_dev->dev, 0x92, 0x8804);
	reg_w_val(gspca_dev->dev, reg, 0x8801);
	reg_w_val(gspca_dev->dev, (mode | 0x01), 0x8802);
	while (retry--) {
		reg_r(gspca_dev, 0x8803, 1);
		if (!gspca_dev->usb_buf)
			break;
	}
	if (retry == 0)
		return -1;
	reg_r(gspca_dev, 0x8800, 1);
	value = gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8805, 1);
	vallsb = gspca_dev->usb_buf[0];
	return ((int) value << 8) | vallsb;
}

static const __u16 spca561_init_data[][2] = {
	{0x0000, 0x8114},	/* Software GPIO output data */
	{0x0001, 0x8114},	/* Software GPIO output data */
	{0x0000, 0x8112},	/* Some kind of reset */
	{0x0003, 0x8701},	/* PCLK clock delay adjustment */
	{0x0001, 0x8703},	/* HSYNC from cmos inverted */
	{0x0011, 0x8118},	/* Enable and conf sensor */
	{0x0001, 0x8118},	/* Conf sensor */
	{0x0092, 0x8804},	/* I know nothing about these */
	{0x0010, 0x8802},	/* 0x88xx registers, so I won't */
	/***************/
	{0x000d, 0x8805},	/* sensor default setting */
	{0x0001, 0x8801},	/* 1 <- 0x0d */
	{0x0000, 0x8800},
	{0x0018, 0x8805},
	{0x0002, 0x8801},	/* 2 <- 0x18 */
	{0x0000, 0x8800},
	{0x0065, 0x8805},
	{0x0004, 0x8801},	/* 4 <- 0x01 0x65 */
	{0x0001, 0x8800},
	{0x0021, 0x8805},
	{0x0005, 0x8801},	/* 5 <- 0x21 */
	{0x0000, 0x8800},
	{0x00aa, 0x8805},
	{0x0007, 0x8801},	/* 7 <- 0xaa */
	{0x0000, 0x8800},
	{0x0004, 0x8805},
	{0x0020, 0x8801},	/* 0x20 <- 0x15 0x04 */
	{0x0015, 0x8800},
	{0x0002, 0x8805},
	{0x0039, 0x8801},	/* 0x39 <- 0x02 */
	{0x0000, 0x8800},
	{0x0010, 0x8805},
	{0x0035, 0x8801},	/* 0x35 <- 0x10 */
	{0x0000, 0x8800},
	{0x0049, 0x8805},
	{0x0009, 0x8801},	/* 0x09 <- 0x10 0x49 */
	{0x0010, 0x8800},
	{0x000b, 0x8805},
	{0x0028, 0x8801},	/* 0x28 <- 0x0b */
	{0x0000, 0x8800},
	{0x000f, 0x8805},
	{0x003b, 0x8801},	/* 0x3b <- 0x0f */
	{0x0000, 0x8800},
	{0x0000, 0x8805},
	{0x003c, 0x8801},	/* 0x3c <- 0x00 */
	{0x0000, 0x8800},
	/***************/
	{0x0018, 0x8601},	/* Pixel/line selection for color separation */
	{0x0000, 0x8602},	/* Optical black level for user setting */
	{0x0060, 0x8604},	/* Optical black horizontal offset */
	{0x0002, 0x8605},	/* Optical black vertical offset */
	{0x0000, 0x8603},	/* Non-automatic optical black level */
	{0x0002, 0x865b},	/* Horizontal offset for valid pixels */
	{0x0000, 0x865f},	/* Vertical valid pixels window (x2) */
	{0x00b0, 0x865d},	/* Horizontal valid pixels window (x2) */
	{0x0090, 0x865e},	/* Vertical valid lines window (x2) */
	{0x00e0, 0x8406},	/* Memory buffer threshold */
	{0x0000, 0x8660},	/* Compensation memory stuff */
	{0x0002, 0x8201},	/* Output address for r/w serial EEPROM */
	{0x0008, 0x8200},	/* Clear valid bit for serial EEPROM */
	{0x0001, 0x8200},	/* OprMode to be executed by hardware */
	{0x0007, 0x8201},	/* Output address for r/w serial EEPROM */
	{0x0008, 0x8200},	/* Clear valid bit for serial EEPROM */
	{0x0001, 0x8200},	/* OprMode to be executed by hardware */
	{0x0010, 0x8660},	/* Compensation memory stuff */
	{0x0018, 0x8660},	/* Compensation memory stuff */

	{0x0004, 0x8611},	/* R offset for white balance */
	{0x0004, 0x8612},	/* Gr offset for white balance */
	{0x0007, 0x8613},	/* B offset for white balance */
	{0x0000, 0x8614},	/* Gb offset for white balance */
	{0x008c, 0x8651},	/* R gain for white balance */
	{0x008c, 0x8652},	/* Gr gain for white balance */
	{0x00b5, 0x8653},	/* B gain for white balance */
	{0x008c, 0x8654},	/* Gb gain for white balance */
	{0x0002, 0x8502},	/* Maximum average bit rate stuff */

	{0x0011, 0x8802},
	{0x0087, 0x8700},	/* Set master clock (96Mhz????) */
	{0x0081, 0x8702},	/* Master clock output enable */

	{0x0000, 0x8500},	/* Set image type (352x288 no compression) */
	/* Originally was 0x0010 (352x288 compression) */

	{0x0002, 0x865b},	/* Horizontal offset for valid pixels */
	{0x0003, 0x865c},	/* Vertical offset for valid lines */
	/***************//* sensor active */
	{0x0003, 0x8801},	/* 0x03 <- 0x01 0x21 //289 */
	{0x0021, 0x8805},
	{0x0001, 0x8800},
	{0x0004, 0x8801},	/* 0x04 <- 0x01 0x65 //357 */
	{0x0065, 0x8805},
	{0x0001, 0x8800},
	{0x0005, 0x8801},	/* 0x05 <- 0x2f */
	{0x002f, 0x8805},
	{0x0000, 0x8800},
	{0x0006, 0x8801},	/* 0x06 <- 0 */
	{0x0000, 0x8805},
	{0x0000, 0x8800},
	{0x000a, 0x8801},	/* 0x0a <- 2 */
	{0x0002, 0x8805},
	{0x0000, 0x8800},
	{0x0009, 0x8801},	/* 0x09 <- 0x1061 */
	{0x0061, 0x8805},
	{0x0010, 0x8800},
	{0x0035, 0x8801},	/* 0x35 <-0x14 */
	{0x0014, 0x8805},
	{0x0000, 0x8800},
	{0x0030, 0x8112},	/* ISO and drop packet enable */
	{0x0000, 0x8112},	/* Some kind of reset ???? */
	{0x0009, 0x8118},	/* Enable sensor and set standby */
	{0x0000, 0x8114},	/* Software GPIO output data */
	{0x0000, 0x8114},	/* Software GPIO output data */
	{0x0001, 0x8114},	/* Software GPIO output data */
	{0x0000, 0x8112},	/* Some kind of reset ??? */
	{0x0003, 0x8701},
	{0x0001, 0x8703},
	{0x0011, 0x8118},
	{0x0001, 0x8118},
	/***************/
	{0x0092, 0x8804},
	{0x0010, 0x8802},
	{0x000d, 0x8805},
	{0x0001, 0x8801},
	{0x0000, 0x8800},
	{0x0018, 0x8805},
	{0x0002, 0x8801},
	{0x0000, 0x8800},
	{0x0065, 0x8805},
	{0x0004, 0x8801},
	{0x0001, 0x8800},
	{0x0021, 0x8805},
	{0x0005, 0x8801},
	{0x0000, 0x8800},
	{0x00aa, 0x8805},
	{0x0007, 0x8801},	/* mode 0xaa */
	{0x0000, 0x8800},
	{0x0004, 0x8805},
	{0x0020, 0x8801},
	{0x0015, 0x8800},	/* mode 0x0415 */
	{0x0002, 0x8805},
	{0x0039, 0x8801},
	{0x0000, 0x8800},
	{0x0010, 0x8805},
	{0x0035, 0x8801},
	{0x0000, 0x8800},
	{0x0049, 0x8805},
	{0x0009, 0x8801},
	{0x0010, 0x8800},
	{0x000b, 0x8805},
	{0x0028, 0x8801},
	{0x0000, 0x8800},
	{0x000f, 0x8805},
	{0x003b, 0x8801},
	{0x0000, 0x8800},
	{0x0000, 0x8805},
	{0x003c, 0x8801},
	{0x0000, 0x8800},
	{0x0002, 0x8502},
	{0x0039, 0x8801},
	{0x0000, 0x8805},
	{0x0000, 0x8800},

	{0x0087, 0x8700},	/* overwrite by start */
	{0x0081, 0x8702},
	{0x0000, 0x8500},
/*	{0x0010, 0x8500},  -- Previous line was this */
	{0x0002, 0x865b},
	{0x0003, 0x865c},
	/***************/
	{0x0003, 0x8801},	/* 0x121-> 289 */
	{0x0021, 0x8805},
	{0x0001, 0x8800},
	{0x0004, 0x8801},	/* 0x165 -> 357 */
	{0x0065, 0x8805},
	{0x0001, 0x8800},
	{0x0005, 0x8801},	/* 0x2f //blanking control colonne */
	{0x002f, 0x8805},
	{0x0000, 0x8800},
	{0x0006, 0x8801},	/* 0x00 //blanking mode row */
	{0x0000, 0x8805},
	{0x0000, 0x8800},
	{0x000a, 0x8801},	/* 0x01 //0x02 */
	{0x0001, 0x8805},
	{0x0000, 0x8800},
	{0x0009, 0x8801},	/* 0x1061 - setexposure times && pixel clock
				 * 0001 0 | 000 0110 0001 */
	{0x0061, 0x8805},	/* 61 31 */
	{0x0008, 0x8800},	/* 08 */
	{0x0035, 0x8801},	/* 0x14 - set gain general */
	{0x001f, 0x8805},	/* 0x14 */
	{0x0000, 0x8800},
	{0x0030, 0x8112},
	{}
};

static void sensor_reset(struct gspca_dev *gspca_dev)
{
	reg_w_val(gspca_dev->dev, 0x8631, 0xc8);
	reg_w_val(gspca_dev->dev, 0x8634, 0xc8);
	reg_w_val(gspca_dev->dev, 0x8112, 0x00);
	reg_w_val(gspca_dev->dev, 0x8114, 0x00);
	reg_w_val(gspca_dev->dev, 0x8118, 0x21);
	i2c_init(gspca_dev, 0x14);
	i2c_write(gspca_dev, 1, 0x0d);
	i2c_write(gspca_dev, 0, 0x0d);
}

/******************** QC Express etch2 stuff ********************/
static const __u16 Pb100_1map8300[][2] = {
	/* reg, value */
	{0x8320, 0x3304},

	{0x8303, 0x0125},	/* image area */
	{0x8304, 0x0169},
	{0x8328, 0x000b},
	{0x833c, 0x0001},

	{0x832f, 0x0419},
	{0x8307, 0x00aa},
	{0x8301, 0x0003},
	{0x8302, 0x000e},
	{}
};
static const __u16 Pb100_2map8300[][2] = {
	/* reg, value */
	{0x8339, 0x0000},
	{0x8307, 0x00aa},
	{}
};

static const __u16 spca561_161rev12A_data1[][2] = {
	{0x21, 0x8118},
	{0x01, 0x8114},
	{0x00, 0x8112},
	{0x92, 0x8804},
	{0x04, 0x8802},		/* windows uses 08 */
	{}
};
static const __u16 spca561_161rev12A_data2[][2] = {
	{0x21, 0x8118},
	{0x10, 0x8500},
	{0x07, 0x8601},
	{0x07, 0x8602},
	{0x04, 0x8501},
	{0x21, 0x8118},

	{0x07, 0x8201},		/* windows uses 02 */
	{0x08, 0x8200},
	{0x01, 0x8200},

	{0x00, 0x8114},
	{0x01, 0x8114},		/* windows uses 00 */

	{0x90, 0x8604},
	{0x00, 0x8605},
	{0xb0, 0x8603},

	/* sensor gains */
	{0x00, 0x8610},		/* *red */
	{0x00, 0x8611},		/* 3f   *green */
	{0x00, 0x8612},		/* green *blue */
	{0x00, 0x8613},		/* blue *green */
	{0x35, 0x8614},		/* green *red */
	{0x35, 0x8615},		/* 40   *green */
	{0x35, 0x8616},		/* 7a   *blue */
	{0x35, 0x8617},		/* 40   *green */

	{0x0c, 0x8620},		/* 0c */
	{0xc8, 0x8631},		/* c8 */
	{0xc8, 0x8634},		/* c8 */
	{0x23, 0x8635},		/* 23 */
	{0x1f, 0x8636},		/* 1f */
	{0xdd, 0x8637},		/* dd */
	{0xe1, 0x8638},		/* e1 */
	{0x1d, 0x8639},		/* 1d */
	{0x21, 0x863a},		/* 21 */
	{0xe3, 0x863b},		/* e3 */
	{0xdf, 0x863c},		/* df */
	{0xf0, 0x8505},
	{0x32, 0x850a},
	{}
};

static void sensor_mapwrite(struct gspca_dev *gspca_dev,
			    const __u16 sensormap[][2])
{
	int i = 0;
	__u8 usbval[2];

	while (sensormap[i][0]) {
		usbval[0] = sensormap[i][1];
		usbval[1] = sensormap[i][1] >> 8;
		reg_w_buf(gspca_dev, sensormap[i][0], usbval, 2);
		i++;
	}
}
static void init_161rev12A(struct gspca_dev *gspca_dev)
{
	sensor_reset(gspca_dev);
	write_vector(gspca_dev, spca561_161rev12A_data1);
	sensor_mapwrite(gspca_dev, Pb100_1map8300);
	write_vector(gspca_dev, spca561_161rev12A_data2);
	sensor_mapwrite(gspca_dev, Pb100_2map8300);
}

/* 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;
	__u16 vendor, product;
	__u8 data1, data2;

	/* Read frm global register the USB product and vendor IDs, just to
	 * prove that we can communicate with the device.  This works, which
	 * confirms at we are communicating properly and that the device
	 * is a 561. */
	reg_r(gspca_dev, 0x8104, 1);
	data1 = gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8105, 1);
	data2 = gspca_dev->usb_buf[0];
	vendor = (data2 << 8) | data1;
	reg_r(gspca_dev, 0x8106, 1);
	data1 = gspca_dev->usb_buf[0];
	reg_r(gspca_dev, 0x8107, 1);
	data2 = gspca_dev->usb_buf[0];
	product = (data2 << 8) | data1;
	if (vendor != id->idVendor || product != id->idProduct) {
		PDEBUG(D_PROBE, "Bad vendor / product from device");
		return -EINVAL;
	}
	switch (product) {
	case 0x0928:
	case 0x0929:
	case 0x092a:
	case 0x092b:
	case 0x092c:
	case 0x092d:
	case 0x092e:
	case 0x092f:
	case 0x403b:
		sd->chip_revision = Rev012A;
		break;
	default:
/*	case 0x0561:
	case 0x0815:			* ?? in spca508.c
	case 0x401a:
	case 0x7004:
	case 0x7e50:
	case 0xa001:
	case 0xcdee: */
		sd->chip_revision = Rev072A;
		break;
	}
	cam = &gspca_dev->cam;
	cam->dev_name = (char *) id->driver_info;
	cam->epaddr = 0x01;
	gspca_dev->nbalt = 7 + 1;	/* choose alternate 7 first */
	cam->cam_mode = sif_mode;
	cam->nmodes = sizeof sif_mode / sizeof sif_mode[0];
	sd->brightness = sd_ctrls[SD_BRIGHTNESS].qctrl.default_value;
	sd->contrast = sd_ctrls[SD_CONTRAST].qctrl.default_value;
	sd->autogain = sd_ctrls[SD_AUTOGAIN].qctrl.default_value;
	return 0;
}

/* this function is called at open time */
static int sd_open(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;

	switch (sd->chip_revision) {
	case Rev072A:
		PDEBUG(D_STREAM, "Chip revision id: 072a");
		write_vector(gspca_dev, spca561_init_data);
		break;
	default:
/*	case Rev012A: */
		PDEBUG(D_STREAM, "Chip revision id: 012a");
		init_161rev12A(gspca_dev);
		break;
	}
	return 0;
}

static void setcontrast(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
	__u8 lowb;
	int expotimes;

	switch (sd->chip_revision) {
	case Rev072A:
		lowb = sd->contrast >> 8;
		reg_w_val(dev, lowb, 0x8651);
		reg_w_val(dev, lowb, 0x8652);
		reg_w_val(dev, lowb, 0x8653);
		reg_w_val(dev, lowb, 0x8654);
		break;
	case Rev012A: {
		__u8 Reg8391[] =
			{ 0x00, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00 };

		/* Write camera sensor settings */
		expotimes = (sd->contrast >> 5) & 0x07ff;
		Reg8391[0] = expotimes & 0xff;	/* exposure */
		Reg8391[1] = 0x18 | (expotimes >> 8);
		Reg8391[2] = sd->brightness;	/* gain */
		reg_w_buf(gspca_dev, 0x8391, Reg8391, 8);
		reg_w_buf(gspca_dev, 0x8390, Reg8391, 8);
		break;
	    }
	}
}

static void sd_start(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	struct usb_device *dev = gspca_dev->dev;
	int Clck;
	__u8 Reg8307[] = { 0xaa, 0x00 };
	int mode;

	mode = gspca_dev->cam.cam_mode[(int) gspca_dev->curr_mode].priv;
	switch (sd->chip_revision) {
	case Rev072A:
		switch (mode) {
		default:
/*		case 0:
		case 1: */
			Clck = 0x25;
			break;
		case 2:
			Clck = 0x22;
			break;
		case 3:
			Clck = 0x21;
			break;
		}
		reg_w_val(dev, 0x8500, mode);	/* mode */
		reg_w_val(dev, 0x8700, Clck);	/* 0x27 clock */
		reg_w_val(dev, 0x8112, 0x10 | 0x20);
		break;
	default:
/*	case Rev012A: */
		switch (mode) {
		case 0:
		case 1:
			Clck = 0x8a;
			break;
		case 2:
			Clck = 0x85;
			break;
		default:
			Clck = 0x83;
			break;
		}
		if (mode <= 1) {
			/* Use compression on 320x240 and above */
			reg_w_val(dev, 0x8500, 0x10 | mode);
		} else {
			/* I couldn't get the compression to work below 320x240
			 * Fortunately at these resolutions the bandwidth
			 * is sufficient to push raw frames at ~20fps */
			reg_w_val(dev, 0x8500, mode);
		}		/* -- qq@kuku.eu.org */
		reg_w_buf(gspca_dev, 0x8307, Reg8307, 2);
		reg_w_val(gspca_dev->dev, 0x8700, Clck);
						/* 0x8f 0x85 0x27 clock */
		reg_w_val(gspca_dev->dev, 0x8112, 0x1e | 0x20);
		reg_w_val(gspca_dev->dev, 0x850b, 0x03);
		setcontrast(gspca_dev);
		break;
	}
}

static void sd_stopN(struct gspca_dev *gspca_dev)
{
	reg_w_val(gspca_dev->dev, 0x8112, 0x20);
}

static void sd_stop0(struct gspca_dev *gspca_dev)
{
}

/* this function is called at close time */
static void sd_close(struct gspca_dev *gspca_dev)
{
	reg_w_val(gspca_dev->dev, 0x8114, 0);
}

static void setautogain(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	int expotimes = 0;
	int pixelclk = 0;
	int gainG = 0;
	__u8 R, Gr, Gb, B;
	int y;
	__u8 luma_mean = 110;
	__u8 luma_delta = 20;
	__u8 spring = 4;

	switch (sd->chip_revision) {
	case Rev072A:
		reg_r(gspca_dev, 0x8621, 1);
		Gr = gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8622, 1);
		R = gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8623, 1);
		B = gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8624, 1);
		Gb = gspca_dev->usb_buf[0];
		y = (77 * R + 75 * (Gr + Gb) + 29 * B) >> 8;
		/* u= (128*B-(43*(Gr+Gb+R))) >> 8; */
		/* v= (128*R-(53*(Gr+Gb))-21*B) >> 8; */
		/* PDEBUG(D_CONF,"reading Y %d U %d V %d ",y,u,v); */

		if (y < luma_mean - luma_delta ||
		    y > luma_mean + luma_delta) {
			expotimes = i2c_read(gspca_dev, 0x09, 0x10);
			pixelclk = 0x0800;
			expotimes = expotimes & 0x07ff;
			/* PDEBUG(D_PACK,
				"Exposition Times 0x%03X Clock 0x%04X ",
				expotimes,pixelclk); */
			gainG = i2c_read(gspca_dev, 0x35, 0x10);
			/* PDEBUG(D_PACK,
				"reading Gain register %d", gainG); */

			expotimes += (luma_mean - y) >> spring;
			gainG += (luma_mean - y) / 50;
			/* PDEBUG(D_PACK,
				"compute expotimes %d gain %d",
				expotimes,gainG); */

			if (gainG > 0x3f)
				gainG = 0x3f;
			else if (gainG < 4)
				gainG = 3;
			i2c_write(gspca_dev, gainG, 0x35);

			if (expotimes >= 0x0256)
				expotimes = 0x0256;
			else if (expotimes < 4)
				expotimes = 3;
			i2c_write(gspca_dev, expotimes | pixelclk, 0x09);
		}
		break;
	case Rev012A:
		/* sensor registers is access and memory mapped to 0x8300 */
		/* readind all 0x83xx block the sensor */
		/*
		 * The data from the header seem wrong where is the luma
		 * and chroma mean value
		 * at the moment set exposure in contrast set
		 */
		break;
	}
}

static void sd_pkt_scan(struct gspca_dev *gspca_dev,
			struct gspca_frame *frame, /* target */
			__u8 *data,		/* isoc packet */
			int len)		/* iso packet length */
{
	struct sd *sd = (struct sd *) gspca_dev;

	switch (data[0]) {
	case 0:		/* start of frame */
		frame = gspca_frame_add(gspca_dev, LAST_PACKET, frame,
					data, 0);
		if (sd->ag_cnt >= 0) {
			if (--sd->ag_cnt < 0) {
				sd->ag_cnt = AG_CNT_START;
				setautogain(gspca_dev);
			}
		}
		data += SPCA561_OFFSET_DATA;
		len -= SPCA561_OFFSET_DATA;
		if (data[1] & 0x10) {
			/* compressed bayer */
			gspca_frame_add(gspca_dev, FIRST_PACKET,
					frame, data, len);
		} else {
			/* raw bayer (with a header, which we skip) */
			data += 20;
			len -= 20;
			gspca_frame_add(gspca_dev, FIRST_PACKET,
						frame, data, len);
		}
		return;
	case 0xff:		/* drop */
/*		gspca_dev->last_packet_type = DISCARD_PACKET; */
		return;
	}
	data++;
	len--;
	gspca_frame_add(gspca_dev, INTER_PACKET, frame, data, len);
}

static void setbrightness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u8 value;

	switch (sd->chip_revision) {
	case Rev072A:
		value = sd->brightness;
		reg_w_val(gspca_dev->dev, value, 0x8611);
		reg_w_val(gspca_dev->dev, value, 0x8612);
		reg_w_val(gspca_dev->dev, value, 0x8613);
		reg_w_val(gspca_dev->dev, value, 0x8614);
		break;
	default:
/*	case Rev012A: */
		setcontrast(gspca_dev);
		break;
	}
}

static void getbrightness(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u16 tot;

	switch (sd->chip_revision) {
	case Rev072A:
		tot = 0;
		reg_r(gspca_dev, 0x8611, 1);
		tot += gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8612, 1);
		tot += gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8613, 1);
		tot += gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8614, 1);
		tot += gspca_dev->usb_buf[0];
		sd->brightness = tot >> 2;
		break;
	default:
/*	case Rev012A: */
		/* no way to read sensor settings */
		break;
	}
}

static void getcontrast(struct gspca_dev *gspca_dev)
{
	struct sd *sd = (struct sd *) gspca_dev;
	__u16 tot;

	switch (sd->chip_revision) {
	case Rev072A:
		tot = 0;
		reg_r(gspca_dev, 0x8651, 1);
		tot += gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8652, 1);
		tot += gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8653, 1);
		tot += gspca_dev->usb_buf[0];
		reg_r(gspca_dev, 0x8654, 1);
		tot += gspca_dev->usb_buf[0];
		sd->contrast = tot << 6;
		break;
	default:
/*	case Rev012A: */
		/* no way to read sensor settings */
		break;
	}
	PDEBUG(D_CONF, "get contrast %d", sd->contrast);
}

static int sd_setbrightness(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->brightness = val;
	if (gspca_dev->streaming)
		setbrightness(gspca_dev);
	return 0;
}

static int sd_getbrightness(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	getbrightness(gspca_dev);
	*val = sd->brightness;
	return 0;
}

static int sd_setcontrast(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->contrast = val;
	if (gspca_dev->streaming)
		setcontrast(gspca_dev);
	return 0;
}

static int sd_getcontrast(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	getcontrast(gspca_dev);
	*val = sd->contrast;
	return 0;
}

static int sd_setautogain(struct gspca_dev *gspca_dev, __s32 val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	sd->autogain = val;
	if (val)
		sd->ag_cnt = AG_CNT_START;
	else
		sd->ag_cnt = -1;
	return 0;
}

static int sd_getautogain(struct gspca_dev *gspca_dev, __s32 *val)
{
	struct sd *sd = (struct sd *) gspca_dev;

	*val = sd->autogain;
	return 0;
}

/* sub-driver description */
static const struct sd_desc sd_desc = {
	.name = MODULE_NAME,
	.ctrls = sd_ctrls,
	.nctrls = ARRAY_SIZE(sd_ctrls),
	.config = sd_config,
	.open = sd_open,
	.start = sd_start,
	.stopN = sd_stopN,
	.stop0 = sd_stop0,
	.close = sd_close,
	.pkt_scan = sd_pkt_scan,
};

/* -- module initialisation -- */
#define DVNM(name) .driver_info = (kernel_ulong_t) name
static const __devinitdata struct usb_device_id device_table[] = {
	{USB_DEVICE(0x041e, 0x401a), DVNM("Creative Webcam Vista (PD1100)")},
	{USB_DEVICE(0x041e, 0x403b),  DVNM("Creative Webcam Vista (VF0010)")},
	{USB_DEVICE(0x0458, 0x7004), DVNM("Genius VideoCAM Express V2")},
	{USB_DEVICE(0x046d, 0x0928), DVNM("Logitech QC Express Etch2")},
	{USB_DEVICE(0x046d, 0x0929), DVNM("Labtec Webcam Elch2")},
	{USB_DEVICE(0x046d, 0x092a), DVNM("Logitech QC for Notebook")},
	{USB_DEVICE(0x046d, 0x092b), DVNM("Labtec Webcam Plus")},
	{USB_DEVICE(0x046d, 0x092c), DVNM("Logitech QC chat Elch2")},
	{USB_DEVICE(0x046d, 0x092d), DVNM("Logitech QC Elch2")},
	{USB_DEVICE(0x046d, 0x092e), DVNM("Logitech QC Elch2")},
	{USB_DEVICE(0x046d, 0x092f), DVNM("Logitech QC Elch2")},
	{USB_DEVICE(0x04fc, 0x0561), DVNM("Flexcam 100")},
	{USB_DEVICE(0x060b, 0xa001), DVNM("Maxell Compact Pc PM3")},
	{USB_DEVICE(0x10fd, 0x7e50), DVNM("FlyCam Usb 100")},
	{USB_DEVICE(0xabcd, 0xcdee), DVNM("Petcam")},
	{}
};

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,
};

/* -- module insert / remove -- */
static int __init sd_mod_init(void)
{
	if (usb_register(&sd_driver) < 0)
		return -1;
	PDEBUG(D_PROBE, "v%s registered", version);
	return 0;
}
static void __exit sd_mod_exit(void)
{
	usb_deregister(&sd_driver);
	PDEBUG(D_PROBE, "deregistered");
}

module_init(sd_mod_init);
module_exit(sd_mod_exit);