aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/tveeprom.c
blob: d95529e8e51376dbadeea8e89f94ab770769cf6d (plain) (blame)
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
/*
 * tveeprom - eeprom decoder for tvcard configuration eeproms
 *
 * Data and decoding routines shamelessly borrowed from bttv-cards.c
 * eeprom access routine shamelessly borrowed from bttv-if.c
 * which are:

    Copyright (C) 1996,97,98 Ralph  Metzler (rjkm@thp.uni-koeln.de)
			   & Marcus Metzler (mocm@thp.uni-koeln.de)
    (c) 1999-2001 Gerd Knorr <kraxel@goldbach.in-berlin.de>

 * Adjustments to fit a more general model and all bugs:

	Copyright (C) 2003 John Klar <linpvr at projectplasma.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
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/errno.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/videodev.h>
#include <linux/i2c.h>

#include <media/tuner.h>
#include <media/tveeprom.h>
#include <media/v4l2-common.h>
#include <media/audiochip.h>

MODULE_DESCRIPTION("i2c Hauppauge eeprom decoder driver");
MODULE_AUTHOR("John Klar");
MODULE_LICENSE("GPL");

static int debug = 0;
module_param(debug, int, 0644);
MODULE_PARM_DESC(debug, "Debug level (0-1)");

#define STRM(array,i) (i < sizeof(array)/sizeof(char*) ? array[i] : "unknown")

#define tveeprom_info(fmt, arg...) \
	v4l_printk(KERN_INFO, "tveeprom", c->adapter, c->addr, fmt , ## arg)
#define tveeprom_warn(fmt, arg...) \
	v4l_printk(KERN_WARNING, "tveeprom", c->adapter, c->addr, fmt , ## arg)
#define tveeprom_dbg(fmt, arg...) do { \
	if (debug) \
		v4l_printk(KERN_DEBUG, "tveeprom", c->adapter, c->addr, fmt , ## arg); \
	} while (0)

/*
 * The Hauppauge eeprom uses an 8bit field to determine which
 * tuner formats the tuner supports.
 */
static struct HAUPPAUGE_TUNER_FMT
{
	int	id;
	char *name;
}
hauppauge_tuner_fmt[] =
{
	{ V4L2_STD_UNKNOWN,                   " UNKNOWN" },
	{ V4L2_STD_UNKNOWN,                   " FM" },
	{ V4L2_STD_B|V4L2_STD_GH,             " PAL(B/G)" },
	{ V4L2_STD_MN,                        " NTSC(M)" },
	{ V4L2_STD_PAL_I,                     " PAL(I)" },
	{ V4L2_STD_SECAM_L|V4L2_STD_SECAM_LC, " SECAM(L/L')" },
	{ V4L2_STD_DK,                        " PAL(D/D1/K)" },
	{ V4L2_STD_ATSC,                      " ATSC/DVB Digital" },
};

/* This is the full list of possible tuners. Many thanks to Hauppauge for
   supplying this information. Note that many tuners where only used for
   testing and never made it to the outside world. So you will only see
   a subset in actual produced cards. */
static struct HAUPPAUGE_TUNER
{
	int  id;
	char *name;
}
hauppauge_tuner[] =
{
	/* 0-9 */
	{ TUNER_ABSENT,        "None" },
	{ TUNER_ABSENT,        "External" },
	{ TUNER_ABSENT,        "Unspecified" },
	{ TUNER_PHILIPS_PAL,   "Philips FI1216" },
	{ TUNER_PHILIPS_SECAM, "Philips FI1216MF" },
	{ TUNER_PHILIPS_NTSC,  "Philips FI1236" },
	{ TUNER_PHILIPS_PAL_I, "Philips FI1246" },
	{ TUNER_PHILIPS_PAL_DK,"Philips FI1256" },
	{ TUNER_PHILIPS_PAL,   "Philips FI1216 MK2" },
	{ TUNER_PHILIPS_SECAM, "Philips FI1216MF MK2" },
	/* 10-19 */
	{ TUNER_PHILIPS_NTSC,  "Philips FI1236 MK2" },
	{ TUNER_PHILIPS_PAL_I, "Philips FI1246 MK2" },
	{ TUNER_PHILIPS_PAL_DK,"Philips FI1256 MK2" },
	{ TUNER_TEMIC_NTSC,    "Temic 4032FY5" },
	{ TUNER_TEMIC_PAL,     "Temic 4002FH5" },
	{ TUNER_TEMIC_PAL_I,   "Temic 4062FY5" },
	{ TUNER_PHILIPS_PAL,   "Philips FR1216 MK2" },
	{ TUNER_PHILIPS_SECAM, "Philips FR1216MF MK2" },
	{ TUNER_PHILIPS_NTSC,  "Philips FR1236 MK2" },
	{ TUNER_PHILIPS_PAL_I, "Philips FR1246 MK2" },
	/* 20-29 */
	{ TUNER_PHILIPS_PAL_DK,"Philips FR1256 MK2" },
	{ TUNER_PHILIPS_PAL,   "Philips FM1216" },
	{ TUNER_PHILIPS_SECAM, "Philips FM1216MF" },
	{ TUNER_PHILIPS_NTSC,  "Philips FM1236" },
	{ TUNER_PHILIPS_PAL_I, "Philips FM1246" },
	{ TUNER_PHILIPS_PAL_DK,"Philips FM1256" },
	{ TUNER_TEMIC_4036FY5_NTSC, "Temic 4036FY5" },
	{ TUNER_ABSENT,        "Samsung TCPN9082D" },
	{ TUNER_ABSENT,        "Samsung TCPM9092P" },
	{ TUNER_TEMIC_4006FH5_PAL, "Temic 4006FH5" },
	/* 30-39 */
	{ TUNER_ABSENT,        "Samsung TCPN9085D" },
	{ TUNER_ABSENT,        "Samsung TCPB9085P" },
	{ TUNER_ABSENT,        "Samsung TCPL9091P" },
	{ TUNER_TEMIC_4039FR5_NTSC, "Temic 4039FR5" },
	{ TUNER_PHILIPS_FQ1216ME,   "Philips FQ1216 ME" },
	{ TUNER_TEMIC_4066FY5_PAL_I, "Temic 4066FY5" },
	{ TUNER_PHILIPS_NTSC,        "Philips TD1536" },
	{ TUNER_PHILIPS_NTSC,        "Philips TD1536D" },
	{ TUNER_PHILIPS_NTSC,  "Philips FMR1236" }, /* mono radio */
	{ TUNER_ABSENT,        "Philips FI1256MP" },
	/* 40-49 */
	{ TUNER_ABSENT,        "Samsung TCPQ9091P" },
	{ TUNER_TEMIC_4006FN5_MULTI_PAL, "Temic 4006FN5" },
	{ TUNER_TEMIC_4009FR5_PAL, "Temic 4009FR5" },
	{ TUNER_TEMIC_4046FM5,     "Temic 4046FM5" },
	{ TUNER_TEMIC_4009FN5_MULTI_PAL_FM, "Temic 4009FN5" },
	{ TUNER_ABSENT,        "Philips TD1536D FH 44"},
	{ TUNER_LG_NTSC_FM,    "LG TP18NSR01F"},
	{ TUNER_LG_PAL_FM,     "LG TP18PSB01D"},
	{ TUNER_LG_PAL,        "LG TP18PSB11D"},
	{ TUNER_LG_PAL_I_FM,   "LG TAPC-I001D"},
	/* 50-59 */
	{ TUNER_LG_PAL_I,      "LG TAPC-I701D"},
	{ TUNER_ABSENT,        "Temic 4042FI5"},
	{ TUNER_MICROTUNE_4049FM5, "Microtune 4049 FM5"},
	{ TUNER_ABSENT,        "LG TPI8NSR11F"},
	{ TUNER_ABSENT,        "Microtune 4049 FM5 Alt I2C"},
	{ TUNER_PHILIPS_FM1216ME_MK3, "Philips FQ1216ME MK3"},
	{ TUNER_ABSENT,        "Philips FI1236 MK3"},
	{ TUNER_PHILIPS_FM1216ME_MK3, "Philips FM1216 ME MK3"},
	{ TUNER_PHILIPS_FM1236_MK3, "Philips FM1236 MK3"},
	{ TUNER_ABSENT,        "Philips FM1216MP MK3"},
	/* 60-69 */
	{ TUNER_PHILIPS_FM1216ME_MK3, "LG S001D MK3"},
	{ TUNER_ABSENT,        "LG M001D MK3"},
	{ TUNER_ABSENT,        "LG S701D MK3"},
	{ TUNER_ABSENT,        "LG M701D MK3"},
	{ TUNER_ABSENT,        "Temic 4146FM5"},
	{ TUNER_ABSENT,        "Temic 4136FY5"},
	{ TUNER_ABSENT,        "Temic 4106FH5"},
	{ TUNER_ABSENT,        "Philips FQ1216LMP MK3"},
	{ TUNER_LG_NTSC_TAPE,  "LG TAPE H001F MK3"},
	{ TUNER_LG_NTSC_TAPE,  "LG TAPE H701F MK3"},
	/* 70-79 */
	{ TUNER_ABSENT,        "LG TALN H200T"},
	{ TUNER_ABSENT,        "LG TALN H250T"},
	{ TUNER_ABSENT,        "LG TALN M200T"},
	{ TUNER_ABSENT,        "LG TALN Z200T"},
	{ TUNER_ABSENT,        "LG TALN S200T"},
	{ TUNER_ABSENT,        "Thompson DTT7595"},
	{ TUNER_ABSENT,        "Thompson DTT7592"},
	{ TUNER_ABSENT,        "Silicon TDA8275C1 8290"},
	{ TUNER_ABSENT,        "Silicon TDA8275C1 8290 FM"},
	{ TUNER_ABSENT,        "Thompson DTT757"},
	/* 80-89 */
	{ TUNER_ABSENT,        "Philips FQ1216LME MK3"},
	{ TUNER_ABSENT,        "LG TAPC G701D"},
	{ TUNER_LG_NTSC_NEW_TAPC, "LG TAPC H791F"},
	{ TUNER_LG_PAL_NEW_TAPC, "TCL 2002MB 3"},
	{ TUNER_LG_PAL_NEW_TAPC, "TCL 2002MI 3"},
	{ TUNER_TCL_2002N,     "TCL 2002N 6A"},
	{ TUNER_PHILIPS_FM1236_MK3, "Philips FQ1236 MK3"},
	{ TUNER_SAMSUNG_TCPN_2121P30A, "Samsung TCPN 2121P30A"},
	{ TUNER_ABSENT,        "Samsung TCPE 4121P30A"},
	{ TUNER_PHILIPS_FM1216ME_MK3, "TCL MFPE05 2"},
	/* 90-99 */
	{ TUNER_ABSENT,        "LG TALN H202T"},
	{ TUNER_PHILIPS_FQ1216AME_MK4, "Philips FQ1216AME MK4"},
	{ TUNER_PHILIPS_FQ1236A_MK4, "Philips FQ1236A MK4"},
	{ TUNER_ABSENT,        "Philips FQ1286A MK4"},
	{ TUNER_ABSENT,        "Philips FQ1216ME MK5"},
	{ TUNER_ABSENT,        "Philips FQ1236 MK5"},
	{ TUNER_SAMSUNG_TCPG_6121P30A, "Samsung TCPG 6121P30A"},
	{ TUNER_TCL_2002MB,    "TCL 2002MB_3H"},
	{ TUNER_ABSENT,        "TCL 2002MI_3H"},
	{ TUNER_TCL_2002N,     "TCL 2002N 5H"},
	/* 100-109 */
	{ TUNER_PHILIPS_FMD1216ME_MK3, "Philips FMD1216ME"},
	{ TUNER_TEA5767,       "Philips TEA5768HL FM Radio"},
	{ TUNER_ABSENT,        "Panasonic ENV57H12D5"},
	{ TUNER_PHILIPS_FM1236_MK3, "TCL MFNM05-4"},
	{ TUNER_ABSENT,        "TCL MNM05-4"},
	{ TUNER_PHILIPS_FM1216ME_MK3, "TCL MPE05-2"},
	{ TUNER_ABSENT,        "TCL MQNM05-4"},
	{ TUNER_ABSENT,        "LG TAPC-W701D"},
	{ TUNER_ABSENT,        "TCL 9886P-WM"},
	{ TUNER_ABSENT,        "TCL 1676NM-WM"},
	/* 110-119 */
	{ TUNER_ABSENT,        "Thompson DTT75105"},
	{ TUNER_ABSENT,        "Conexant_CX24109"},
	{ TUNER_TCL_2002N,     "TCL M2523_5N_E"},
	{ TUNER_TCL_2002MB,    "TCL M2523_3DB_E"},
	{ TUNER_ABSENT,        "Philips 8275A"},
	{ TUNER_ABSENT,        "Microtune MT2060"},
	{ TUNER_ABSENT,        "Philips FM1236 MK5"},
	{ TUNER_ABSENT,        "Philips FM1216ME MK5"},
	{ TUNER_ABSENT,        "TCL M2523_3DI_E"},
	{ TUNER_ABSENT,        "Samsung THPD5222FG30A"},
	/* 120-129 */
	{ TUNER_ABSENT,        "Xceive XC3028"},
	{ TUNER_ABSENT,        "Philips FQ1216LME MK5"},
};

static struct HAUPPAUGE_AUDIOIC
{
	enum audiochip  id;
	char *name;
}
audioIC[] =
{
	/* 0-4 */
	{AUDIO_CHIP_NONE,     "None"},
	{AUDIO_CHIP_TEA6300,  "TEA6300"},
	{AUDIO_CHIP_TEA6300,  "TEA6320"},
	{AUDIO_CHIP_TDA985X,  "TDA9850"},
	{AUDIO_CHIP_MSP34XX,  "MSP3400C"},
	/* 5-9 */
	{AUDIO_CHIP_MSP34XX,  "MSP3410D"},
	{AUDIO_CHIP_MSP34XX,  "MSP3415"},
	{AUDIO_CHIP_MSP34XX,  "MSP3430"},
	{AUDIO_CHIP_MSP34XX,  "MSP3438"},
	{AUDIO_CHIP_UNKNOWN,  "CS5331"},
	/* 10-14 */
	{AUDIO_CHIP_MSP34XX,  "MSP3435"},
	{AUDIO_CHIP_MSP34XX,  "MSP3440"},
	{AUDIO_CHIP_MSP34XX,  "MSP3445"},
	{AUDIO_CHIP_MSP34XX,  "MSP3411"},
	{AUDIO_CHIP_MSP34XX,  "MSP3416"},
	/* 15-19 */
	{AUDIO_CHIP_MSP34XX,  "MSP3425"},
	{AUDIO_CHIP_MSP34XX,  "MSP3451"},
	{AUDIO_CHIP_MSP34XX,  "MSP3418"},
	{AUDIO_CHIP_UNKNOWN,  "Type 0x12"},
	{AUDIO_CHIP_UNKNOWN,  "OKI7716"},
	/* 20-24 */
	{AUDIO_CHIP_MSP34XX,  "MSP4410"},
	{AUDIO_CHIP_MSP34XX,  "MSP4420"},
	{AUDIO_CHIP_MSP34XX,  "MSP4440"},
	{AUDIO_CHIP_MSP34XX,  "MSP4450"},
	{AUDIO_CHIP_MSP34XX,  "MSP4408"},
	/* 25-29 */
	{AUDIO_CHIP_MSP34XX,  "MSP4418"},
	{AUDIO_CHIP_MSP34XX,  "MSP4428"},
	{AUDIO_CHIP_MSP34XX,  "MSP4448"},
	{AUDIO_CHIP_MSP34XX,  "MSP4458"},
	{AUDIO_CHIP_MSP34XX,  "Type 0x1d"},
	/* 30-34 */
	{AUDIO_CHIP_INTERNAL, "CX880"},
	{AUDIO_CHIP_INTERNAL, "CX881"},
	{AUDIO_CHIP_INTERNAL, "CX883"},
	{AUDIO_CHIP_INTERNAL, "CX882"},
	{AUDIO_CHIP_INTERNAL, "CX25840"},
	/* 35-38 */
	{AUDIO_CHIP_INTERNAL, "CX25841"},
	{AUDIO_CHIP_INTERNAL, "CX25842"},
	{AUDIO_CHIP_INTERNAL, "CX25843"},
	{AUDIO_CHIP_INTERNAL, "CX23418"},
};

/* This list is supplied by Hauppauge. Thanks! */
static const char *decoderIC[] = {
	/* 0-4 */
	"None", "BT815", "BT817", "BT819", "BT815A",
	/* 5-9 */
	"BT817A", "BT819A", "BT827", "BT829", "BT848",
	/* 10-14 */
	"BT848A", "BT849A", "BT829A", "BT827A", "BT878",
	/* 15-19 */
	"BT879", "BT880", "VPX3226E", "SAA7114", "SAA7115",
	/* 20-24 */
	"CX880", "CX881", "CX883", "SAA7111", "SAA7113",
	/* 25-29 */
	"CX882", "TVP5150A", "CX25840", "CX25841", "CX25842",
	/* 30-31 */
	"CX25843", "CX23418",
};

static int hasRadioTuner(int tunerType)
{
	switch (tunerType) {
		case 18: //PNPEnv_TUNER_FR1236_MK2:
		case 23: //PNPEnv_TUNER_FM1236:
		case 38: //PNPEnv_TUNER_FMR1236:
		case 16: //PNPEnv_TUNER_FR1216_MK2:
		case 19: //PNPEnv_TUNER_FR1246_MK2:
		case 21: //PNPEnv_TUNER_FM1216:
		case 24: //PNPEnv_TUNER_FM1246:
		case 17: //PNPEnv_TUNER_FR1216MF_MK2:
		case 22: //PNPEnv_TUNER_FM1216MF:
		case 20: //PNPEnv_TUNER_FR1256_MK2:
		case 25: //PNPEnv_TUNER_FM1256:
		case 33: //PNPEnv_TUNER_4039FR5:
		case 42: //PNPEnv_TUNER_4009FR5:
		case 52: //PNPEnv_TUNER_4049FM5:
		case 54: //PNPEnv_TUNER_4049FM5_AltI2C:
		case 44: //PNPEnv_TUNER_4009FN5:
		case 31: //PNPEnv_TUNER_TCPB9085P:
		case 30: //PNPEnv_TUNER_TCPN9085D:
		case 46: //PNPEnv_TUNER_TP18NSR01F:
		case 47: //PNPEnv_TUNER_TP18PSB01D:
		case 49: //PNPEnv_TUNER_TAPC_I001D:
		case 60: //PNPEnv_TUNER_TAPE_S001D_MK3:
		case 57: //PNPEnv_TUNER_FM1216ME_MK3:
		case 59: //PNPEnv_TUNER_FM1216MP_MK3:
		case 58: //PNPEnv_TUNER_FM1236_MK3:
		case 68: //PNPEnv_TUNER_TAPE_H001F_MK3:
		case 61: //PNPEnv_TUNER_TAPE_M001D_MK3:
		case 78: //PNPEnv_TUNER_TDA8275C1_8290_FM:
		case 89: //PNPEnv_TUNER_TCL_MFPE05_2:
		case 92: //PNPEnv_TUNER_PHILIPS_FQ1236A_MK4:
		case 105:
		return 1;
	}
	return 0;
}

void tveeprom_hauppauge_analog(struct i2c_client *c, struct tveeprom *tvee,
				unsigned char *eeprom_data)
{
	/* ----------------------------------------------
	** The hauppauge eeprom format is tagged
	**
	** if packet[0] == 0x84, then packet[0..1] == length
	** else length = packet[0] & 3f;
	** if packet[0] & f8 == f8, then EOD and packet[1] == checksum
	**
	** In our (ivtv) case we're interested in the following:
	** tuner type:   tag [00].05 or [0a].01 (index into hauppauge_tuner)
	** tuner fmts:   tag [00].04 or [0a].00 (bitmask index into hauppauge_tuner_fmt)
	** radio:        tag [00].{last} or [0e].00  (bitmask.  bit2=FM)
	** audio proc:   tag [02].01 or [05].00 (mask with 0x7f)
	** decoder proc: tag [09].01)

	** Fun info:
	** model:      tag [00].07-08 or [06].00-01
	** revision:   tag [00].09-0b or [06].04-06
	** serial#:    tag [01].05-07 or [04].04-06

	** # of inputs/outputs ???
	*/

	int i, j, len, done, beenhere, tag,start;

	int tuner1 = 0, t_format1 = 0, audioic=-1;
	char *t_name1 = NULL;
	const char *t_fmt_name1[8] = { " none", "", "", "", "", "", "", "" };

	int tuner2 = 0, t_format2 = 0;
	char *t_name2 = NULL;
	const char *t_fmt_name2[8] = { " none", "", "", "", "", "", "", "" };

	memset(tvee, 0, sizeof(*tvee));
	done = len = beenhere = 0;

	/* Hack for processing eeprom for em28xx and cx 2388x*/
	if ((eeprom_data[0] == 0x1a) && (eeprom_data[1] == 0xeb) &&
			(eeprom_data[2] == 0x67) && (eeprom_data[3] == 0x95))
		start=0xa0; /* Generic em28xx offset */
	else if (((eeprom_data[0] & 0xe1) == 0x01) &&
					(eeprom_data[1] == 0x00) &&
					(eeprom_data[2] == 0x00) &&
					(eeprom_data[8] == 0x84))
		start=8; /* Generic cx2388x offset */
	else
		start=0;

	for (i = start; !done && i < 256; i += len) {
		if (eeprom_data[i] == 0x84) {
			len = eeprom_data[i + 1] + (eeprom_data[i + 2] << 8);
			i += 3;
		} else if ((eeprom_data[i] & 0xf0) == 0x70) {
			if (eeprom_data[i] & 0x08) {
				/* verify checksum! */
				done = 1;
				break;
			}
			len = eeprom_data[i] & 0x07;
			++i;
		} else {
			tveeprom_warn("Encountered bad packet header [%02x]. "
				"Corrupt or not a Hauppauge eeprom.\n", eeprom_data[i]);
			return;
		}

		if (debug) {
			tveeprom_info("Tag [%02x] + %d bytes:", eeprom_data[i], len - 1);
			for(j = 1; j < len; j++) {
				printk(" %02x", eeprom_data[i + j]);
			}
			printk("\n");
		}

		/* process by tag */
		tag = eeprom_data[i];
		switch (tag) {
		case 0x00:
			/* tag: 'Comprehensive' */
			tuner1 = eeprom_data[i+6];
			t_format1 = eeprom_data[i+5];
			tvee->has_radio = eeprom_data[i+len-1];
			/* old style tag, don't know how to detect
			IR presence, mark as unknown. */
			tvee->has_ir = 2;
			tvee->model =
				eeprom_data[i+8] +
				(eeprom_data[i+9] << 8);
			tvee->revision = eeprom_data[i+10] +
				(eeprom_data[i+11] << 8) +
				(eeprom_data[i+12] << 16);
			break;

		case 0x01:
			/* tag: 'SerialID' */
			tvee->serial_number =
				eeprom_data[i+6] +
				(eeprom_data[i+7] << 8) +
				(eeprom_data[i+8] << 16);
			break;

		case 0x02:
			/* tag 'AudioInfo'
			Note mask with 0x7F, high bit used on some older models
			to indicate 4052 mux was removed in favor of using MSP
			inputs directly. */
			audioic = eeprom_data[i+2] & 0x7f;
			if (audioic < sizeof(audioIC)/sizeof(*audioIC))
				tvee->audio_processor = audioIC[audioic].id;
			else
				tvee->audio_processor = AUDIO_CHIP_UNKNOWN;
			break;

		/* case 0x03: tag 'EEInfo' */

		case 0x04:
			/* tag 'SerialID2' */
			tvee->serial_number =
				eeprom_data[i+5] +
				(eeprom_data[i+6] << 8) +
				(eeprom_data[i+7] << 16);

				if ( (eeprom_data[i + 8] && 0xf0) &&
					(tvee->serial_number < 0xffffff) ) {
					tvee->MAC_address[0] = 0x00;
					tvee->MAC_address[1] = 0x0D;
					tvee->MAC_address[2] = 0xFE;
					tvee->MAC_address[3] = eeprom_data[i + 7];
					tvee->MAC_address[4] = eeprom_data[i + 6];
					tvee->MAC_address[5] = eeprom_data[i + 5];
					tvee->has_MAC_address = 1;
				}
			break;

		case 0x05:
			/* tag 'Audio2'
			Note mask with 0x7F, high bit used on some older models
			to indicate 4052 mux was removed in favor of using MSP
			inputs directly. */
			audioic = eeprom_data[i+1] & 0x7f;
			if (audioic < sizeof(audioIC)/sizeof(*audioIC))
				tvee->audio_processor = audioIC[audioic].id;
			else
				tvee->audio_processor = AUDIO_CHIP_UNKNOWN;

			break;

		case 0x06:
			/* tag 'ModelRev' */
			tvee->model =
				eeprom_data[i + 1] +
				(eeprom_data[i + 2] << 8) +
				(eeprom_data[i + 3] << 16) +
				(eeprom_data[i + 4] << 24);
			tvee->revision =
				eeprom_data[i +5 ] +
				(eeprom_data[i + 6] << 8) +
				(eeprom_data[i + 7] << 16);
			break;

		case 0x07:
			/* tag 'Details': according to Hauppauge not interesting
			on any PCI-era or later boards. */
			break;

		/* there is no tag 0x08 defined */

		case 0x09:
			/* tag 'Video' */
			tvee->decoder_processor = eeprom_data[i + 1];
			break;

		case 0x0a:
			/* tag 'Tuner' */
			if (beenhere == 0) {
				tuner1 = eeprom_data[i+2];
				t_format1 = eeprom_data[i+1];
				beenhere = 1;
			} else {
				/* a second (radio) tuner may be present */
				tuner2 = eeprom_data[i+2];
				t_format2 = eeprom_data[i+1];
				if (t_format2 == 0) {  /* not a TV tuner? */
					tvee->has_radio = 1; /* must be radio */
				}
			}
			break;

		case 0x0b:
			/* tag 'Inputs': according to Hauppauge this is specific
			to each driver family, so no good assumptions can be
			made. */
			break;

		/* case 0x0c: tag 'Balun' */
		/* case 0x0d: tag 'Teletext' */

		case 0x0e:
			/* tag: 'Radio' */
			tvee->has_radio = eeprom_data[i+1];
			break;

		case 0x0f:
			/* tag 'IRInfo' */
			tvee->has_ir = eeprom_data[i+1];
			break;

		/* case 0x10: tag 'VBIInfo' */
		/* case 0x11: tag 'QCInfo' */
		/* case 0x12: tag 'InfoBits' */

		default:
			tveeprom_dbg("Not sure what to do with tag [%02x]\n", tag);
			/* dump the rest of the packet? */
		}
	}

	if (!done) {
		tveeprom_warn("Ran out of data!\n");
		return;
	}

	if (tvee->revision != 0) {
		tvee->rev_str[0] = 32 + ((tvee->revision >> 18) & 0x3f);
		tvee->rev_str[1] = 32 + ((tvee->revision >> 12) & 0x3f);
		tvee->rev_str[2] = 32 + ((tvee->revision >>  6) & 0x3f);
		tvee->rev_str[3] = 32 + ( tvee->revision        & 0x3f);
		tvee->rev_str[4] = 0;
	}

	if (hasRadioTuner(tuner1) && !tvee->has_radio) {
		tveeprom_info("The eeprom says no radio is present, but the tuner type\n");
		tveeprom_info("indicates otherwise. I will assume that radio is present.\n");
		tvee->has_radio = 1;
	}

	if (tuner1 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
		tvee->tuner_type = hauppauge_tuner[tuner1].id;
		t_name1 = hauppauge_tuner[tuner1].name;
	} else {
		t_name1 = "unknown";
	}

	if (tuner2 < sizeof(hauppauge_tuner)/sizeof(struct HAUPPAUGE_TUNER)) {
		tvee->tuner2_type = hauppauge_tuner[tuner2].id;
		t_name2 = hauppauge_tuner[tuner2].name;
	} else {
		t_name2 = "unknown";
	}

	tvee->tuner_hauppauge_model = tuner1;
	tvee->tuner2_hauppauge_model = tuner2;
	tvee->tuner_formats = 0;
	tvee->tuner2_formats = 0;
	for (i = j = 0; i < 8; i++) {
		if (t_format1 & (1 << i)) {
			tvee->tuner_formats |= hauppauge_tuner_fmt[i].id;
			t_fmt_name1[j++] = hauppauge_tuner_fmt[i].name;
		}
		if (t_format2 & (1 << i)) {
			tvee->tuner2_formats |= hauppauge_tuner_fmt[i].id;
			t_fmt_name2[j++] = hauppauge_tuner_fmt[i].name;
		}
	}

	tveeprom_info("Hauppauge model %d, rev %s, serial# %d\n",
		tvee->model, tvee->rev_str, tvee->serial_number);
	if (tvee->has_MAC_address == 1) {
		tveeprom_info("MAC address is %02X-%02X-%02X-%02X-%02X-%02X\n",
			tvee->MAC_address[0], tvee->MAC_address[1],
			tvee->MAC_address[2], tvee->MAC_address[3],
			tvee->MAC_address[4], tvee->MAC_address[5]);
	}
	tveeprom_info("tuner model is %s (idx %d, type %d)\n",
		t_name1, tuner1, tvee->tuner_type);
	tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
		t_fmt_name1[0], t_fmt_name1[1], t_fmt_name1[2], t_fmt_name1[3],
		t_fmt_name1[4], t_fmt_name1[5], t_fmt_name1[6], t_fmt_name1[7],
		t_format1);
	if (tuner2) {
		tveeprom_info("second tuner model is %s (idx %d, type %d)\n",
					t_name2, tuner2, tvee->tuner2_type);
	}
	if (t_format2) {
		tveeprom_info("TV standards%s%s%s%s%s%s%s%s (eeprom 0x%02x)\n",
			t_fmt_name2[0], t_fmt_name2[1], t_fmt_name2[2], t_fmt_name2[3],
			t_fmt_name2[4], t_fmt_name2[5], t_fmt_name2[6], t_fmt_name2[7],
			t_format2);
	}
	if (audioic<0) {
		tveeprom_info("audio processor is unknown (no idx)\n");
		tvee->audio_processor=AUDIO_CHIP_UNKNOWN;
	} else {
		if (audioic < sizeof(audioIC)/sizeof(*audioIC))
			tveeprom_info("audio processor is %s (idx %d)\n",
					audioIC[audioic].name,audioic);
		else
			tveeprom_info("audio processor is unknown (idx %d)\n",
								audioic);
	}
	if (tvee->decoder_processor) {
		tveeprom_info("decoder processor is %s (idx %d)\n",
			STRM(decoderIC, tvee->decoder_processor),
			tvee->decoder_processor);
	}
	if (tvee->has_ir == 2)
		tveeprom_info("has %sradio\n",
				tvee->has_radio ? "" : "no ");
	else
		tveeprom_info("has %sradio, has %sIR remote\n",
				tvee->has_radio ? "" : "no ",
				tvee->has_ir ? "" : "no ");
}
EXPORT_SYMBOL(tveeprom_hauppauge_analog);

/* ----------------------------------------------------------------------- */
/* generic helper functions                                                */

int tveeprom_read(struct i2c_client *c, unsigned char *eedata, int len)
{
	unsigned char buf;
	int err;

	buf = 0;
	if (1 != (err = i2c_master_send(c, &buf, 1))) {
		tveeprom_info("Huh, no eeprom present (err=%d)?\n", err);
		return -1;
	}
	if (len != (err = i2c_master_recv(c, eedata, len))) {
		tveeprom_warn("i2c eeprom read error (err=%d)\n", err);
		return -1;
	}
	if (debug) {
		int i;

		tveeprom_info("full 256-byte eeprom dump:\n");
		for (i = 0; i < len; i++) {
			if (0 == (i % 16))
				tveeprom_info("%02x:", i);
			printk(" %02x", eedata[i]);
			if (15 == (i % 16))
				printk("\n");
		}
	}
	return 0;
}
EXPORT_SYMBOL(tveeprom_read);

/* ----------------------------------------------------------------------- */
/* needed for ivtv.sf.net at the moment.  Should go away in the long       */
/* run, just call the exported tveeprom_* directly, there is no point in   */
/* using the indirect way via i2c_driver->command()                        */

static unsigned short normal_i2c[] = {
	0xa0 >> 1,
	I2C_CLIENT_END,
};

I2C_CLIENT_INSMOD;

static struct i2c_driver i2c_driver_tveeprom;

static int
tveeprom_command(struct i2c_client *client,
		 unsigned int       cmd,
		 void              *arg)
{
	struct tveeprom eeprom;
	u32 *eeprom_props = arg;
	u8 *buf;

	switch (cmd) {
	case 0:
		buf = kzalloc(256,GFP_KERNEL);
		tveeprom_read(client,buf,256);
		tveeprom_hauppauge_analog(client, &eeprom,buf);
		kfree(buf);
		eeprom_props[0] = eeprom.tuner_type;
		eeprom_props[1] = eeprom.tuner_formats;
		eeprom_props[2] = eeprom.model;
		eeprom_props[3] = eeprom.revision;
		eeprom_props[4] = eeprom.has_radio;
		break;
	default:
		return -EINVAL;
	}
	return 0;
}

static int
tveeprom_detect_client(struct i2c_adapter *adapter,
		       int                 address,
		       int                 kind)
{
	struct i2c_client *client;

	client = kzalloc(sizeof(struct i2c_client), GFP_KERNEL);
	if (NULL == client)
		return -ENOMEM;
	client->addr = address;
	client->adapter = adapter;
	client->driver = &i2c_driver_tveeprom;
	snprintf(client->name, sizeof(client->name), "tveeprom");
	i2c_attach_client(client);

	return 0;
}

static int
tveeprom_attach_adapter (struct i2c_adapter *adapter)
{
	if (adapter->class & I2C_CLASS_TV_ANALOG)
		return i2c_probe(adapter, &addr_data, tveeprom_detect_client);
	return 0;
}

static int
tveeprom_detach_client (struct i2c_client *client)
{
	int err;

	err = i2c_detach_client(client);
	if (err < 0)
		return err;
	kfree(client);
	return 0;
}

static struct i2c_driver i2c_driver_tveeprom = {
	.driver = {
		.name   = "tveeprom",
	},
	.id             = I2C_DRIVERID_TVEEPROM,
	.attach_adapter = tveeprom_attach_adapter,
	.detach_client  = tveeprom_detach_client,
	.command        = tveeprom_command,
};

static int __init tveeprom_init(void)
{
	return i2c_add_driver(&i2c_driver_tveeprom);
}

static void __exit tveeprom_exit(void)
{
	i2c_del_driver(&i2c_driver_tveeprom);
}

module_init(tveeprom_init);
module_exit(tveeprom_exit);

/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 */