summaryrefslogtreecommitdiffstats
path: root/drivers/media/pci/solo6x10/solo6x10-tw28.c
blob: 0632d3f7c73c420de029fae76c75c2945853e58a (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
/*
 * Copyright (C) 2010-2013 Bluecherry, LLC <http://www.bluecherrydvr.com>
 *
 * Original author:
 * Ben Collins <bcollins@ubuntu.com>
 *
 * Additional work by:
 * John Brooks <john.brooks@bluecherry.net>
 *
 * 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
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 */

#include <linux/kernel.h>
#include <linux/delay.h>

#include "solo6x10.h"
#include "solo6x10-tw28.h"

#define DEFAULT_HDELAY_NTSC		(32 - 8)
#define DEFAULT_HACTIVE_NTSC		(720 + 16)
#define DEFAULT_VDELAY_NTSC		(7 - 2)
#define DEFAULT_VACTIVE_NTSC		(240 + 4)

#define DEFAULT_HDELAY_PAL		(32 + 4)
#define DEFAULT_HACTIVE_PAL		(864-DEFAULT_HDELAY_PAL)
#define DEFAULT_VDELAY_PAL		(6)
#define DEFAULT_VACTIVE_PAL		(312-DEFAULT_VDELAY_PAL)


static const u8 tbl_tw2864_ntsc_template[] = {
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x00 */
	0x12, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x00, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x10 */
	0x12, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x00, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x20 */
	0x12, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x00, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x30 */
	0x12, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x00, 0x7f,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA3, 0x00,
	0x00, 0x02, 0x00, 0xcc, 0x00, 0x80, 0x44, 0x50, /* 0x80 */
	0x22, 0x01, 0xd8, 0xbc, 0xb8, 0x44, 0x38, 0x00,
	0x00, 0x78, 0x72, 0x3e, 0x14, 0xa5, 0xe4, 0x05, /* 0x90 */
	0x00, 0x28, 0x44, 0x44, 0xa0, 0x88, 0x5a, 0x01,
	0x08, 0x08, 0x08, 0x08, 0x1a, 0x1a, 0x1a, 0x1a, /* 0xa0 */
	0x00, 0x00, 0x00, 0xf0, 0xf0, 0xf0, 0xf0, 0x44,
	0x44, 0x0a, 0x00, 0xff, 0xef, 0xef, 0xef, 0xef, /* 0xb0 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */
	0x00, 0x00, 0x55, 0x00, 0xb1, 0xe4, 0x40, 0x00,
	0x77, 0x77, 0x01, 0x13, 0x57, 0x9b, 0xdf, 0x20, /* 0xd0 */
	0x64, 0xa8, 0xec, 0xc1, 0x0f, 0x11, 0x11, 0x81,
	0x00, 0xe0, 0xbb, 0xbb, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */
	0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00,
	0x83, 0xb5, 0x09, 0x78, 0x85, 0x00, 0x01, 0x20, /* 0xf0 */
	0x64, 0x11, 0x40, 0xaf, 0xff, 0x00, 0x00, 0x00,
};

static const u8 tbl_tw2864_pal_template[] = {
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x00 */
	0x18, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x01, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x10 */
	0x18, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x01, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x20 */
	0x18, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x01, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x30 */
	0x18, 0xf5, 0x0c, 0xd0, 0x00, 0x00, 0x01, 0x7f,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x40 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x70 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xA3, 0x00,
	0x00, 0x02, 0x00, 0xcc, 0x00, 0x80, 0x44, 0x50, /* 0x80 */
	0x22, 0x01, 0xd8, 0xbc, 0xb8, 0x44, 0x38, 0x00,
	0x00, 0x78, 0x72, 0x3e, 0x14, 0xa5, 0xe4, 0x05, /* 0x90 */
	0x00, 0x28, 0x44, 0x44, 0xa0, 0x90, 0x5a, 0x01,
	0x0a, 0x0a, 0x0a, 0x0a, 0x1a, 0x1a, 0x1a, 0x1a, /* 0xa0 */
	0x00, 0x00, 0x00, 0xf0, 0xf0, 0xf0, 0xf0, 0x44,
	0x44, 0x0a, 0x00, 0xff, 0xef, 0xef, 0xef, 0xef, /* 0xb0 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */
	0x00, 0x00, 0x55, 0x00, 0xb1, 0xe4, 0x40, 0x00,
	0x77, 0x77, 0x01, 0x13, 0x57, 0x9b, 0xdf, 0x20, /* 0xd0 */
	0x64, 0xa8, 0xec, 0xc1, 0x0f, 0x11, 0x11, 0x81,
	0x00, 0xe0, 0xbb, 0xbb, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */
	0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00,
	0x83, 0xb5, 0x09, 0x00, 0xa0, 0x00, 0x01, 0x20, /* 0xf0 */
	0x64, 0x11, 0x40, 0xaf, 0xff, 0x00, 0x00, 0x00,
};

static const u8 tbl_tw2865_ntsc_template[] = {
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x00 */
	0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x10 */
	0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x02, /* 0x20 */
	0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f,
	0x00, 0xf0, 0x70, 0x48, 0x80, 0x80, 0x00, 0x02, /* 0x30 */
	0x12, 0xff, 0x09, 0xd0, 0x00, 0x00, 0x00, 0x7f,
	0x00, 0x00, 0x90, 0x68, 0x00, 0x38, 0x80, 0x80, /* 0x40 */
	0x80, 0x80, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x45, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x43,
	0x08, 0x00, 0x00, 0x01, 0xf1, 0x03, 0xEF, 0x03, /* 0x70 */
	0xE9, 0x03, 0xD9, 0x15, 0x15, 0xE4, 0xA3, 0x80,
	0x00, 0x02, 0x00, 0xCC, 0x00, 0x80, 0x44, 0x50, /* 0x80 */
	0x22, 0x01, 0xD8, 0xBC, 0xB8, 0x44, 0x38, 0x00,
	0x00, 0x78, 0x44, 0x3D, 0x14, 0xA5, 0xE0, 0x05, /* 0x90 */
	0x00, 0x28, 0x44, 0x44, 0xA0, 0x90, 0x52, 0x13,
	0x08, 0x08, 0x08, 0x08, 0x1A, 0x1A, 0x1B, 0x1A, /* 0xa0 */
	0x00, 0x00, 0x00, 0xF0, 0xF0, 0xF0, 0xF0, 0x44,
	0x44, 0x4A, 0x00, 0xFF, 0xEF, 0xEF, 0xEF, 0xEF, /* 0xb0 */
	0xFF, 0xE7, 0xE9, 0xE9, 0xEB, 0xFF, 0xD6, 0xD8,
	0xD8, 0xD7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */
	0x00, 0x00, 0x55, 0x00, 0xE4, 0x39, 0x00, 0x80,
	0x77, 0x77, 0x03, 0x20, 0x57, 0x9b, 0xdf, 0x31, /* 0xd0 */
	0x64, 0xa8, 0xec, 0xd1, 0x0f, 0x11, 0x11, 0x81,
	0x10, 0xC0, 0xAA, 0xAA, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */
	0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00,
	0x83, 0xB5, 0x09, 0x78, 0x85, 0x00, 0x01, 0x20, /* 0xf0 */
	0x64, 0x51, 0x40, 0xaf, 0xFF, 0xF0, 0x00, 0xC0,
};

static const u8 tbl_tw2865_pal_template[] = {
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x00 */
	0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x10 */
	0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x20 */
	0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f,
	0x00, 0xf0, 0x70, 0x30, 0x80, 0x80, 0x00, 0x12, /* 0x30 */
	0x11, 0xff, 0x01, 0xc3, 0x00, 0x00, 0x01, 0x7f,
	0x00, 0x94, 0x90, 0x48, 0x00, 0x38, 0x7F, 0x80, /* 0x40 */
	0x80, 0x80, 0x77, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x50 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	0x45, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0x60 */
	0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x21, 0x43,
	0x08, 0x00, 0x00, 0x01, 0xf1, 0x03, 0xEF, 0x03, /* 0x70 */
	0xEA, 0x03, 0xD9, 0x15, 0x15, 0xE4, 0xA3, 0x80,
	0x00, 0x02, 0x00, 0xCC, 0x00, 0x80, 0x44, 0x50, /* 0x80 */
	0x22, 0x01, 0xD8, 0xBC, 0xB8, 0x44, 0x38, 0x00,
	0x00, 0x78, 0x44, 0x3D, 0x14, 0xA5, 0xE0, 0x05, /* 0x90 */
	0x00, 0x28, 0x44, 0x44, 0xA0, 0x90, 0x52, 0x13,
	0x08, 0x08, 0x08, 0x08, 0x1A, 0x1A, 0x1A, 0x1A, /* 0xa0 */
	0x00, 0x00, 0x00, 0xF0, 0xF0, 0xF0, 0xF0, 0x44,
	0x44, 0x4A, 0x00, 0xFF, 0xEF, 0xEF, 0xEF, 0xEF, /* 0xb0 */
	0xFF, 0xE7, 0xE9, 0xE9, 0xE9, 0xFF, 0xD7, 0xD8,
	0xD9, 0xD8, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, /* 0xc0 */
	0x00, 0x00, 0x55, 0x00, 0xE4, 0x39, 0x00, 0x80,
	0x77, 0x77, 0x03, 0x20, 0x57, 0x9b, 0xdf, 0x31, /* 0xd0 */
	0x64, 0xa8, 0xec, 0xd1, 0x0f, 0x11, 0x11, 0x81,
	0x10, 0xC0, 0xAA, 0xAA, 0x00, 0x11, 0x00, 0x00, /* 0xe0 */
	0x11, 0x00, 0x00, 0x11, 0x00, 0x00, 0x11, 0x00,
	0x83, 0xB5, 0x09, 0x00, 0xA0, 0x00, 0x01, 0x20, /* 0xf0 */
	0x64, 0x51, 0x40, 0xaf, 0xFF, 0xF0, 0x00, 0xC0,
};

#define is_tw286x(__solo, __id) (!(__solo->tw2815 & (1 << __id)))

static u8 tw_readbyte(struct solo_dev *solo_dev, int chip_id, u8 tw6x_off,
		      u8 tw_off)
{
	if (is_tw286x(solo_dev, chip_id))
		return solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,
					 TW_CHIP_OFFSET_ADDR(chip_id),
					 tw6x_off);
	else
		return solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,
					 TW_CHIP_OFFSET_ADDR(chip_id),
					 tw_off);
}

static void tw_writebyte(struct solo_dev *solo_dev, int chip_id,
			 u8 tw6x_off, u8 tw_off, u8 val)
{
	if (is_tw286x(solo_dev, chip_id))
		solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,
				   TW_CHIP_OFFSET_ADDR(chip_id),
				   tw6x_off, val);
	else
		solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,
				   TW_CHIP_OFFSET_ADDR(chip_id),
				   tw_off, val);
}

static void tw_write_and_verify(struct solo_dev *solo_dev, u8 addr, u8 off,
				u8 val)
{
	int i;

	for (i = 0; i < 5; i++) {
		u8 rval = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW, addr, off);

		if (rval == val)
			return;

		solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, addr, off, val);
		msleep_interruptible(1);
	}

/*	printk("solo6x10/tw28: Error writing register: %02x->%02x [%02x]\n", */
/*		addr, off, val); */
}

static int tw2865_setup(struct solo_dev *solo_dev, u8 dev_addr)
{
	u8 tbl_tw2865_common[256];
	int i;

	if (solo_dev->video_type == SOLO_VO_FMT_TYPE_PAL)
		memcpy(tbl_tw2865_common, tbl_tw2865_pal_template,
		       sizeof(tbl_tw2865_common));
	else
		memcpy(tbl_tw2865_common, tbl_tw2865_ntsc_template,
		       sizeof(tbl_tw2865_common));

	/* ALINK Mode */
	if (solo_dev->nr_chans == 4) {
		tbl_tw2865_common[0xd2] = 0x01;
		tbl_tw2865_common[0xcf] = 0x00;
	} else if (solo_dev->nr_chans == 8) {
		tbl_tw2865_common[0xd2] = 0x02;
		if (dev_addr == TW_CHIP_OFFSET_ADDR(1))
			tbl_tw2865_common[0xcf] = 0x80;
	} else if (solo_dev->nr_chans == 16) {
		tbl_tw2865_common[0xd2] = 0x03;
		if (dev_addr == TW_CHIP_OFFSET_ADDR(1))
			tbl_tw2865_common[0xcf] = 0x83;
		else if (dev_addr == TW_CHIP_OFFSET_ADDR(2))
			tbl_tw2865_common[0xcf] = 0x83;
		else if (dev_addr == TW_CHIP_OFFSET_ADDR(3))
			tbl_tw2865_common[0xcf] = 0x80;
	}

	for (i = 0; i < 0xff; i++) {
		/* Skip read only registers */
		switch (i) {
		case 0xb8 ... 0xc1:
		case 0xc4 ... 0xc7:
		case 0xfd:
			continue;
		}
		switch (i & ~0x30) {
		case 0x00:
		case 0x0c ... 0x0d:
			continue;
		}

		tw_write_and_verify(solo_dev, dev_addr, i,
				    tbl_tw2865_common[i]);
	}

	return 0;
}

static int tw2864_setup(struct solo_dev *solo_dev, u8 dev_addr)
{
	u8 tbl_tw2864_common[256];
	int i;

	if (solo_dev->video_type == SOLO_VO_FMT_TYPE_PAL)
		memcpy(tbl_tw2864_common, tbl_tw2864_pal_template,
		       sizeof(tbl_tw2864_common));
	else
		memcpy(tbl_tw2864_common, tbl_tw2864_ntsc_template,
		       sizeof(tbl_tw2864_common));

	if (solo_dev->tw2865 == 0) {
		/* IRQ Mode */
		if (solo_dev->nr_chans == 4) {
			tbl_tw2864_common[0xd2] = 0x01;
			tbl_tw2864_common[0xcf] = 0x00;
		} else if (solo_dev->nr_chans == 8) {
			tbl_tw2864_common[0xd2] = 0x02;
			if (dev_addr == TW_CHIP_OFFSET_ADDR(0))
				tbl_tw2864_common[0xcf] = 0x43;
			else if (dev_addr == TW_CHIP_OFFSET_ADDR(1))
				tbl_tw2864_common[0xcf] = 0x40;
		} else if (solo_dev->nr_chans == 16) {
			tbl_tw2864_common[0xd2] = 0x03;
			if (dev_addr == TW_CHIP_OFFSET_ADDR(0))
				tbl_tw2864_common[0xcf] = 0x43;
			else if (dev_addr == TW_CHIP_OFFSET_ADDR(1))
				tbl_tw2864_common[0xcf] = 0x43;
			else if (dev_addr == TW_CHIP_OFFSET_ADDR(2))
				tbl_tw2864_common[0xcf] = 0x43;
			else if (dev_addr == TW_CHIP_OFFSET_ADDR(3))
				tbl_tw2864_common[0xcf] = 0x40;
		}
	} else {
		/* ALINK Mode. Assumes that the first tw28xx is a
		 * 2865 and these are in cascade. */
		for (i = 0; i <= 4; i++)
			tbl_tw2864_common[0x08 | i << 4] = 0x12;

		if (solo_dev->nr_chans == 8) {
			tbl_tw2864_common[0xd2] = 0x02;
			if (dev_addr == TW_CHIP_OFFSET_ADDR(1))
				tbl_tw2864_common[0xcf] = 0x80;
		} else if (solo_dev->nr_chans == 16) {
			tbl_tw2864_common[0xd2] = 0x03;
			if (dev_addr == TW_CHIP_OFFSET_ADDR(1))
				tbl_tw2864_common[0xcf] = 0x83;
			else if (dev_addr == TW_CHIP_OFFSET_ADDR(2))
				tbl_tw2864_common[0xcf] = 0x83;
			else if (dev_addr == TW_CHIP_OFFSET_ADDR(3))
				tbl_tw2864_common[0xcf] = 0x80;
		}
	}

	for (i = 0; i < 0xff; i++) {
		/* Skip read only registers */
		switch (i) {
		case 0xb8 ... 0xc1:
		case 0xfd:
			continue;
		}
		switch (i & ~0x30) {
		case 0x00:
		case 0x0c:
		case 0x0d:
			continue;
		}

		tw_write_and_verify(solo_dev, dev_addr, i,
				    tbl_tw2864_common[i]);
	}

	return 0;
}

static int tw2815_setup(struct solo_dev *solo_dev, u8 dev_addr)
{
	u8 tbl_ntsc_tw2815_common[] = {
		0x00, 0xc8, 0x20, 0xd0, 0x06, 0xf0, 0x08, 0x80,
		0x80, 0x80, 0x80, 0x02, 0x06, 0x00, 0x11,
	};

	u8 tbl_pal_tw2815_common[] = {
		0x00, 0x88, 0x20, 0xd0, 0x05, 0x20, 0x28, 0x80,
		0x80, 0x80, 0x80, 0x82, 0x06, 0x00, 0x11,
	};

	u8 tbl_tw2815_sfr[] = {
		0x00, 0x00, 0x00, 0xc0, 0x45, 0xa0, 0xd0, 0x2f, /* 0x00 */
		0x64, 0x80, 0x80, 0x82, 0x82, 0x00, 0x00, 0x00,
		0x00, 0x0f, 0x05, 0x00, 0x00, 0x80, 0x06, 0x00, /* 0x10 */
		0x00, 0x00, 0x00, 0xff, 0x8f, 0x00, 0x00, 0x00,
		0x88, 0x88, 0xc0, 0x00, 0x20, 0x64, 0xa8, 0xec, /* 0x20 */
		0x31, 0x75, 0xb9, 0xfd, 0x00, 0x00, 0x88, 0x88,
		0x88, 0x11, 0x00, 0x88, 0x88, 0x00,		/* 0x30 */
	};
	u8 *tbl_tw2815_common;
	int i;
	int ch;

	tbl_ntsc_tw2815_common[0x06] = 0;

	/* Horizontal Delay Control */
	tbl_ntsc_tw2815_common[0x02] = DEFAULT_HDELAY_NTSC & 0xff;
	tbl_ntsc_tw2815_common[0x06] |= 0x03 & (DEFAULT_HDELAY_NTSC >> 8);

	/* Horizontal Active Control */
	tbl_ntsc_tw2815_common[0x03] = DEFAULT_HACTIVE_NTSC & 0xff;
	tbl_ntsc_tw2815_common[0x06] |=
		((0x03 & (DEFAULT_HACTIVE_NTSC >> 8)) << 2);

	/* Vertical Delay Control */
	tbl_ntsc_tw2815_common[0x04] = DEFAULT_VDELAY_NTSC & 0xff;
	tbl_ntsc_tw2815_common[0x06] |=
		((0x01 & (DEFAULT_VDELAY_NTSC >> 8)) << 4);

	/* Vertical Active Control */
	tbl_ntsc_tw2815_common[0x05] = DEFAULT_VACTIVE_NTSC & 0xff;
	tbl_ntsc_tw2815_common[0x06] |=
		((0x01 & (DEFAULT_VACTIVE_NTSC >> 8)) << 5);

	tbl_pal_tw2815_common[0x06] = 0;

	/* Horizontal Delay Control */
	tbl_pal_tw2815_common[0x02] = DEFAULT_HDELAY_PAL & 0xff;
	tbl_pal_tw2815_common[0x06] |= 0x03 & (DEFAULT_HDELAY_PAL >> 8);

	/* Horizontal Active Control */
	tbl_pal_tw2815_common[0x03] = DEFAULT_HACTIVE_PAL & 0xff;
	tbl_pal_tw2815_common[0x06] |=
		((0x03 & (DEFAULT_HACTIVE_PAL >> 8)) << 2);

	/* Vertical Delay Control */
	tbl_pal_tw2815_common[0x04] = DEFAULT_VDELAY_PAL & 0xff;
	tbl_pal_tw2815_common[0x06] |=
		((0x01 & (DEFAULT_VDELAY_PAL >> 8)) << 4);

	/* Vertical Active Control */
	tbl_pal_tw2815_common[0x05] = DEFAULT_VACTIVE_PAL & 0xff;
	tbl_pal_tw2815_common[0x06] |=
		((0x01 & (DEFAULT_VACTIVE_PAL >> 8)) << 5);

	tbl_tw2815_common =
	    (solo_dev->video_type == SOLO_VO_FMT_TYPE_NTSC) ?
	     tbl_ntsc_tw2815_common : tbl_pal_tw2815_common;

	/* Dual ITU-R BT.656 format */
	tbl_tw2815_common[0x0d] |= 0x04;

	/* Audio configuration */
	tbl_tw2815_sfr[0x62 - 0x40] &= ~(3 << 6);

	if (solo_dev->nr_chans == 4) {
		tbl_tw2815_sfr[0x63 - 0x40] |= 1;
		tbl_tw2815_sfr[0x62 - 0x40] |= 3 << 6;
	} else if (solo_dev->nr_chans == 8) {
		tbl_tw2815_sfr[0x63 - 0x40] |= 2;
		if (dev_addr == TW_CHIP_OFFSET_ADDR(0))
			tbl_tw2815_sfr[0x62 - 0x40] |= 1 << 6;
		else if (dev_addr == TW_CHIP_OFFSET_ADDR(1))
			tbl_tw2815_sfr[0x62 - 0x40] |= 2 << 6;
	} else if (solo_dev->nr_chans == 16) {
		tbl_tw2815_sfr[0x63 - 0x40] |= 3;
		if (dev_addr == TW_CHIP_OFFSET_ADDR(0))
			tbl_tw2815_sfr[0x62 - 0x40] |= 1 << 6;
		else if (dev_addr == TW_CHIP_OFFSET_ADDR(1))
			tbl_tw2815_sfr[0x62 - 0x40] |= 0 << 6;
		else if (dev_addr == TW_CHIP_OFFSET_ADDR(2))
			tbl_tw2815_sfr[0x62 - 0x40] |= 0 << 6;
		else if (dev_addr == TW_CHIP_OFFSET_ADDR(3))
			tbl_tw2815_sfr[0x62 - 0x40] |= 2 << 6;
	}

	/* Output mode of R_ADATM pin (0 mixing, 1 record) */
	/* tbl_tw2815_sfr[0x63 - 0x40] |= 0 << 2; */

	/* 8KHz, used to be 16KHz, but changed for remote client compat */
	tbl_tw2815_sfr[0x62 - 0x40] |= 0 << 2;
	tbl_tw2815_sfr[0x6c - 0x40] |= 0 << 2;

	/* Playback of right channel */
	tbl_tw2815_sfr[0x6c - 0x40] |= 1 << 5;

	/* Reserved value (XXX ??) */
	tbl_tw2815_sfr[0x5c - 0x40] |= 1 << 5;

	/* Analog output gain and mix ratio playback on full */
	tbl_tw2815_sfr[0x70 - 0x40] |= 0xff;
	/* Select playback audio and mute all except */
	tbl_tw2815_sfr[0x71 - 0x40] |= 0x10;
	tbl_tw2815_sfr[0x6d - 0x40] |= 0x0f;

	/* End of audio configuration */

	for (ch = 0; ch < 4; ch++) {
		tbl_tw2815_common[0x0d] &= ~3;
		switch (ch) {
		case 0:
			tbl_tw2815_common[0x0d] |= 0x21;
			break;
		case 1:
			tbl_tw2815_common[0x0d] |= 0x20;
			break;
		case 2:
			tbl_tw2815_common[0x0d] |= 0x23;
			break;
		case 3:
			tbl_tw2815_common[0x0d] |= 0x22;
			break;
		}

		for (i = 0; i < 0x0f; i++) {
			if (i == 0x00)
				continue;	/* read-only */
			solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,
					   dev_addr, (ch * 0x10) + i,
					   tbl_tw2815_common[i]);
		}
	}

	for (i = 0x40; i < 0x76; i++) {
		/* Skip read-only and nop registers */
		if (i == 0x40 || i == 0x59 || i == 0x5a ||
		    i == 0x5d || i == 0x5e || i == 0x5f)
			continue;

		solo_i2c_writebyte(solo_dev, SOLO_I2C_TW, dev_addr, i,
				       tbl_tw2815_sfr[i - 0x40]);
	}

	return 0;
}

#define FIRST_ACTIVE_LINE	0x0008
#define LAST_ACTIVE_LINE	0x0102

static void saa712x_write_regs(struct solo_dev *dev, const u8 *vals,
		int start, int n)
{
	for (; start < n; start++, vals++) {
		/* Skip read-only registers */
		switch (start) {
		/* case 0x00 ... 0x25: */
		case 0x2e ... 0x37:
		case 0x60:
		case 0x7d:
			continue;
		}
		solo_i2c_writebyte(dev, SOLO_I2C_SAA, 0x46, start, *vals);
	}
}

#define SAA712x_reg7c (0x80 | ((LAST_ACTIVE_LINE & 0x100) >> 2) \
		| ((FIRST_ACTIVE_LINE & 0x100) >> 4))

static void saa712x_setup(struct solo_dev *dev)
{
	const int reg_start = 0x26;
	const u8 saa7128_regs_ntsc[] = {
	/* :0x26 */
		0x0d, 0x00,
	/* :0x28 */
		0x59, 0x1d, 0x75, 0x3f, 0x06, 0x3f,
	/* :0x2e XXX: read-only */
		0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	/* :0x38 */
		0x1a, 0x1a, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00,
	/* :0x40 */
		0x00, 0x00, 0x00, 0x68, 0x10, 0x97, 0x4c, 0x18,
		0x9b, 0x93, 0x9f, 0xff, 0x7c, 0x34, 0x3f, 0x3f,
	/* :0x50 */
		0x3f, 0x83, 0x83, 0x80, 0x0d, 0x0f, 0xc3, 0x06,
		0x02, 0x80, 0x71, 0x77, 0xa7, 0x67, 0x66, 0x2e,
	/* :0x60 */
		0x7b, 0x11, 0x4f, 0x1f, 0x7c, 0xf0, 0x21, 0x77,
		0x41, 0x88, 0x41, 0x52, 0xed, 0x10, 0x10, 0x00,
	/* :0x70 */
		0x41, 0xc3, 0x00, 0x3e, 0xb8, 0x02, 0x00, 0x00,
		0x00, 0x00, FIRST_ACTIVE_LINE, LAST_ACTIVE_LINE & 0xff,
		SAA712x_reg7c, 0x00, 0xff, 0xff,
	}, saa7128_regs_pal[] = {
	/* :0x26 */
		0x0d, 0x00,
	/* :0x28 */
		0xe1, 0x1d, 0x75, 0x3f, 0x06, 0x3f,
	/* :0x2e XXX: read-only */
		0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
	/* :0x38 */
		0x1a, 0x1a, 0x13, 0x00, 0x00, 0x00, 0x00, 0x00,
	/* :0x40 */
		0x00, 0x00, 0x00, 0x68, 0x10, 0x97, 0x4c, 0x18,
		0x9b, 0x93, 0x9f, 0xff, 0x7c, 0x34, 0x3f, 0x3f,
	/* :0x50 */
		0x3f, 0x83, 0x83, 0x80, 0x0d, 0x0f, 0xc3, 0x06,
		0x02, 0x80, 0x0f, 0x77, 0xa7, 0x67, 0x66, 0x2e,
	/* :0x60 */
		0x7b, 0x02, 0x35, 0xcb, 0x8a, 0x09, 0x2a, 0x77,
		0x41, 0x88, 0x41, 0x52, 0xf1, 0x10, 0x20, 0x00,
	/* :0x70 */
		0x41, 0xc3, 0x00, 0x3e, 0xb8, 0x02, 0x00, 0x00,
		0x00, 0x00, 0x12, 0x30,
		SAA712x_reg7c | 0x40, 0x00, 0xff, 0xff,
	};

	if (dev->video_type == SOLO_VO_FMT_TYPE_PAL)
		saa712x_write_regs(dev, saa7128_regs_pal, reg_start,
				sizeof(saa7128_regs_pal));
	else
		saa712x_write_regs(dev, saa7128_regs_ntsc, reg_start,
				sizeof(saa7128_regs_ntsc));
}

int solo_tw28_init(struct solo_dev *solo_dev)
{
	int i;
	u8 value;

	solo_dev->tw28_cnt = 0;

	/* Detect techwell chip type(s) */
	for (i = 0; i < solo_dev->nr_chans / 4; i++) {
		value = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,
					  TW_CHIP_OFFSET_ADDR(i), 0xFF);

		switch (value >> 3) {
		case 0x18:
			solo_dev->tw2865 |= 1 << i;
			solo_dev->tw28_cnt++;
			break;
		case 0x0c:
			solo_dev->tw2864 |= 1 << i;
			solo_dev->tw28_cnt++;
			break;
		default:
			value = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,
						  TW_CHIP_OFFSET_ADDR(i),
						  0x59);
			if ((value >> 3) == 0x04) {
				solo_dev->tw2815 |= 1 << i;
				solo_dev->tw28_cnt++;
			}
		}
	}

	if (solo_dev->tw28_cnt != (solo_dev->nr_chans >> 2)) {
		dev_err(&solo_dev->pdev->dev,
			"Could not initialize any techwell chips\n");
		return -EINVAL;
	}

	saa712x_setup(solo_dev);

	for (i = 0; i < solo_dev->tw28_cnt; i++) {
		if ((solo_dev->tw2865 & (1 << i)))
			tw2865_setup(solo_dev, TW_CHIP_OFFSET_ADDR(i));
		else if ((solo_dev->tw2864 & (1 << i)))
			tw2864_setup(solo_dev, TW_CHIP_OFFSET_ADDR(i));
		else
			tw2815_setup(solo_dev, TW_CHIP_OFFSET_ADDR(i));
	}

	return 0;
}

/*
 * We accessed the video status signal in the Techwell chip through
 * iic/i2c because the video status reported by register REG_VI_STATUS1
 * (address 0x012C) of the SOLO6010 chip doesn't give the correct video
 * status signal values.
 */
int tw28_get_video_status(struct solo_dev *solo_dev, u8 ch)
{
	u8 val, chip_num;

	/* Get the right chip and on-chip channel */
	chip_num = ch / 4;
	ch %= 4;

	val = tw_readbyte(solo_dev, chip_num, TW286x_AV_STAT_ADDR,
			  TW_AV_STAT_ADDR) & 0x0f;

	return val & (1 << ch) ? 1 : 0;
}

#if 0
/* Status of audio from up to 4 techwell chips are combined into 1 variable.
 * See techwell datasheet for details. */
u16 tw28_get_audio_status(struct solo_dev *solo_dev)
{
	u8 val;
	u16 status = 0;
	int i;

	for (i = 0; i < solo_dev->tw28_cnt; i++) {
		val = (tw_readbyte(solo_dev, i, TW286x_AV_STAT_ADDR,
				   TW_AV_STAT_ADDR) & 0xf0) >> 4;
		status |= val << (i * 4);
	}

	return status;
}
#endif

bool tw28_has_sharpness(struct solo_dev *solo_dev, u8 ch)
{
	return is_tw286x(solo_dev, ch / 4);
}

int tw28_set_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch,
		      s32 val)
{
	char sval;
	u8 chip_num;

	/* Get the right chip and on-chip channel */
	chip_num = ch / 4;
	ch %= 4;

	if (val > 255 || val < 0)
		return -ERANGE;

	switch (ctrl) {
	case V4L2_CID_SHARPNESS:
		/* Only 286x has sharpness */
		if (is_tw286x(solo_dev, chip_num)) {
			u8 v = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,
						 TW_CHIP_OFFSET_ADDR(chip_num),
						 TW286x_SHARPNESS(chip_num));
			v &= 0xf0;
			v |= val;
			solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,
					   TW_CHIP_OFFSET_ADDR(chip_num),
					   TW286x_SHARPNESS(chip_num), v);
		} else {
			return -EINVAL;
		}
		break;

	case V4L2_CID_HUE:
		if (is_tw286x(solo_dev, chip_num))
			sval = val - 128;
		else
			sval = (char)val;
		tw_writebyte(solo_dev, chip_num, TW286x_HUE_ADDR(ch),
			     TW_HUE_ADDR(ch), sval);

		break;

	case V4L2_CID_SATURATION:
		/* 286x chips have a U and V component for saturation */
		if (is_tw286x(solo_dev, chip_num)) {
			solo_i2c_writebyte(solo_dev, SOLO_I2C_TW,
					   TW_CHIP_OFFSET_ADDR(chip_num),
					   TW286x_SATURATIONU_ADDR(ch), val);
		}
		tw_writebyte(solo_dev, chip_num, TW286x_SATURATIONV_ADDR(ch),
			     TW_SATURATION_ADDR(ch), val);

		break;

	case V4L2_CID_CONTRAST:
		tw_writebyte(solo_dev, chip_num, TW286x_CONTRAST_ADDR(ch),
			     TW_CONTRAST_ADDR(ch), val);
		break;

	case V4L2_CID_BRIGHTNESS:
		if (is_tw286x(solo_dev, chip_num))
			sval = val - 128;
		else
			sval = (char)val;
		tw_writebyte(solo_dev, chip_num, TW286x_BRIGHTNESS_ADDR(ch),
			     TW_BRIGHTNESS_ADDR(ch), sval);

		break;
	default:
		return -EINVAL;
	}

	return 0;
}

int tw28_get_ctrl_val(struct solo_dev *solo_dev, u32 ctrl, u8 ch,
		      s32 *val)
{
	u8 rval, chip_num;

	/* Get the right chip and on-chip channel */
	chip_num = ch / 4;
	ch %= 4;

	switch (ctrl) {
	case V4L2_CID_SHARPNESS:
		/* Only 286x has sharpness */
		if (is_tw286x(solo_dev, chip_num)) {
			rval = solo_i2c_readbyte(solo_dev, SOLO_I2C_TW,
						 TW_CHIP_OFFSET_ADDR(chip_num),
						 TW286x_SHARPNESS(chip_num));
			*val = rval & 0x0f;
		} else
			*val = 0;
		break;
	case V4L2_CID_HUE:
		rval = tw_readbyte(solo_dev, chip_num, TW286x_HUE_ADDR(ch),
				   TW_HUE_ADDR(ch));
		if (is_tw286x(solo_dev, chip_num))
			*val = (s32)((char)rval) + 128;
		else
			*val = rval;
		break;
	case V4L2_CID_SATURATION:
		*val = tw_readbyte(solo_dev, chip_num,
				   TW286x_SATURATIONU_ADDR(ch),
				   TW_SATURATION_ADDR(ch));
		break;
	case V4L2_CID_CONTRAST:
		*val = tw_readbyte(solo_dev, chip_num,
				   TW286x_CONTRAST_ADDR(ch),
				   TW_CONTRAST_ADDR(ch));
		break;
	case V4L2_CID_BRIGHTNESS:
		rval = tw_readbyte(solo_dev, chip_num,
				   TW286x_BRIGHTNESS_ADDR(ch),
				   TW_BRIGHTNESS_ADDR(ch));
		if (is_tw286x(solo_dev, chip_num))
			*val = (s32)((char)rval) + 128;
		else
			*val = rval;
		break;
	default:
		return -EINVAL;
	}

	return 0;
}

#if 0
/*
 * For audio output volume, the output channel is only 1. In this case we
 * don't need to offset TW_CHIP_OFFSET_ADDR. The TW_CHIP_OFFSET_ADDR used
 * is the base address of the techwell chip.
 */
void tw2815_Set_AudioOutVol(struct solo_dev *solo_dev, unsigned int u_val)
{
	unsigned int val;
	unsigned int chip_num;

	chip_num = (solo_dev->nr_chans - 1) / 4;

	val = tw_readbyte(solo_dev, chip_num, TW286x_AUDIO_OUTPUT_VOL_ADDR,
			  TW_AUDIO_OUTPUT_VOL_ADDR);

	u_val = (val & 0x0f) | (u_val << 4);

	tw_writebyte(solo_dev, chip_num, TW286x_AUDIO_OUTPUT_VOL_ADDR,
		     TW_AUDIO_OUTPUT_VOL_ADDR, u_val);
}
#endif

u8 tw28_get_audio_gain(struct solo_dev *solo_dev, u8 ch)
{
	u8 val;
	u8 chip_num;

	/* Get the right chip and on-chip channel */
	chip_num = ch / 4;
	ch %= 4;

	val = tw_readbyte(solo_dev, chip_num,
			  TW286x_AUDIO_INPUT_GAIN_ADDR(ch),
			  TW_AUDIO_INPUT_GAIN_ADDR(ch));

	return (ch % 2) ? (val >> 4) : (val & 0x0f);
}

void tw28_set_audio_gain(struct solo_dev *solo_dev, u8 ch, u8 val)
{
	u8 old_val;
	u8 chip_num;

	/* Get the right chip and on-chip channel */
	chip_num = ch / 4;
	ch %= 4;

	old_val = tw_readbyte(solo_dev, chip_num,
			      TW286x_AUDIO_INPUT_GAIN_ADDR(ch),
			      TW_AUDIO_INPUT_GAIN_ADDR(ch));

	val = (old_val & ((ch % 2) ? 0x0f : 0xf0)) |
		((ch % 2) ? (val << 4) : val);

	tw_writebyte(solo_dev, chip_num, TW286x_AUDIO_INPUT_GAIN_ADDR(ch),
		     TW_AUDIO_INPUT_GAIN_ADDR(ch), val);
}