summaryrefslogtreecommitdiff
path: root/drivers/staging/go7007/go7007-usb.c
blob: aa4a9e0b995405fed2b485c5fba9f815087317e6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
/*
 * Copyright (C) 2005-2006 Micronas USA Inc.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License (Version 2) as
 * published by the Free Software Foundation.
 *
 * 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.
 */

#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/wait.h>
#include <linux/list.h>
#include <linux/slab.h>
#include <linux/time.h>
#include <linux/mm.h>
#include <linux/usb.h>
#include <linux/i2c.h>
#include <asm/byteorder.h>
#include <media/tvaudio.h>

#include "go7007-priv.h"
#include "wis-i2c.h"

static unsigned int assume_endura;
module_param(assume_endura, int, 0644);
MODULE_PARM_DESC(assume_endura, "when probing fails, hardware is a Pelco Endura");

/* #define GO7007_USB_DEBUG */
/* #define GO7007_I2C_DEBUG */ /* for debugging the EZ-USB I2C adapter */

#define	HPI_STATUS_ADDR	0xFFF4
#define	INT_PARAM_ADDR	0xFFF6
#define	INT_INDEX_ADDR	0xFFF8

/*
 * Pipes on EZ-USB interface:
 * 	0 snd - Control
 * 	0 rcv - Control
 * 	2 snd - Download firmware (control)
 * 	4 rcv - Read Interrupt (interrupt)
 * 	6 rcv - Read Video (bulk)
 * 	8 rcv - Read Audio (bulk)
 */

#define GO7007_USB_EZUSB		(1<<0)
#define GO7007_USB_EZUSB_I2C		(1<<1)

struct go7007_usb_board {
	unsigned int flags;
	struct go7007_board_info main_info;
};

struct go7007_usb {
	struct go7007_usb_board *board;
	struct semaphore i2c_lock;
	struct usb_device *usbdev;
	struct urb *video_urbs[8];
	struct urb *audio_urbs[8];
	struct urb *intr_urb;
};

/*********************** Product specification data ***********************/

static struct go7007_usb_board board_matrix_ii = {
	.flags		= GO7007_USB_EZUSB,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_VALID_ENABLE |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI |
					GO7007_SENSOR_SCALING,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "wis_saa7115",
				.id	= I2C_DRIVERID_WIS_SAA7115,
				.addr	= 0x20,
			},
		},
		.num_inputs	 = 2,
		.inputs 	 = {
			{
				.video_input	= 0,
				.name		= "Composite",
			},
			{
				.video_input	= 9,
				.name		= "S-Video",
			},
		},
	},
};

static struct go7007_usb_board board_matrix_reload = {
	.flags		= GO7007_USB_EZUSB,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "wis_saa7113",
				.id	= I2C_DRIVERID_WIS_SAA7113,
				.addr	= 0x25,
			},
		},
		.num_inputs	 = 2,
		.inputs 	 = {
			{
				.video_input	= 0,
				.name		= "Composite",
			},
			{
				.video_input	= 9,
				.name		= "S-Video",
			},
		},
	},
};

static struct go7007_usb_board board_star_trek = {
	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.flags		 = GO7007_BOARD_HAS_AUDIO, /* |
					GO7007_BOARD_HAS_TUNER, */
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_VALID_ENABLE |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI |
					GO7007_SENSOR_SCALING,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_WORD_16,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "wis_saa7115",
				.id	= I2C_DRIVERID_WIS_SAA7115,
				.addr	= 0x20,
			},
		},
		.num_inputs	 = 2,
		.inputs 	 = {
			{
				.video_input	= 1,
			/*	.audio_input	= AUDIO_EXTERN, */
				.name		= "Composite",
			},
			{
				.video_input	= 8,
			/*	.audio_input	= AUDIO_EXTERN, */
				.name		= "S-Video",
			},
		/*	{
		 *		.video_input	= 3,
		 *		.audio_input	= AUDIO_TUNER,
		 *		.name		= "Tuner",
		 *	},
		 */
		},
	},
};

static struct go7007_usb_board board_px_tv402u = {
	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_HAS_TUNER,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_VALID_ENABLE |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI |
					GO7007_SENSOR_SCALING,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_WORD_16,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.num_i2c_devs	 = 3,
		.i2c_devs	 = {
			{
				.type	= "wis_saa7115",
				.id	= I2C_DRIVERID_WIS_SAA7115,
				.addr	= 0x20,
			},
			{
				.type	= "wis_uda1342",
				.id	= I2C_DRIVERID_WIS_UDA1342,
				.addr	= 0x1a,
			},
			{
				.type	= "wis_sony_tuner",
				.id	= I2C_DRIVERID_WIS_SONY_TUNER,
				.addr	= 0x60,
			},
		},
		.num_inputs	 = 3,
		.inputs 	 = {
			{
				.video_input	= 1,
				.audio_input	= TVAUDIO_INPUT_EXTERN,
				.name		= "Composite",
			},
			{
				.video_input	= 8,
				.audio_input	= TVAUDIO_INPUT_EXTERN,
				.name		= "S-Video",
			},
			{
				.video_input	= 3,
				.audio_input	= TVAUDIO_INPUT_TUNER,
				.name		= "Tuner",
			},
		},
	},
};

static struct go7007_usb_board board_xmen = {
	.flags		= 0,
	.main_info	= {
		.firmware	  = "go7007tv.bin",
		.flags		  = GO7007_BOARD_USE_ONBOARD_I2C,
		.hpi_buffer_cap   = 0,
		.sensor_flags	  = GO7007_SENSOR_VREF_POLAR,
		.sensor_width	  = 320,
		.sensor_height	  = 240,
		.sensor_framerate = 30030,
		.audio_flags	  = GO7007_AUDIO_ONE_CHANNEL |
					GO7007_AUDIO_I2S_MODE_3 |
					GO7007_AUDIO_WORD_14 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_BCLK_POLAR |
					GO7007_AUDIO_OKI_MODE,
		.audio_rate	  = 8000,
		.audio_bclk_div	  = 48,
		.audio_main_div	  = 1,
		.num_i2c_devs	  = 1,
		.i2c_devs	  = {
			{
				.type	= "wis_ov7640",
				.id	= I2C_DRIVERID_WIS_OV7640,
				.addr	= 0x21,
			},
		},
		.num_inputs	  = 1,
		.inputs 	  = {
			{
				.name		= "Camera",
			},
		},
	},
};

static struct go7007_usb_board board_matrix_revolution = {
	.flags		= GO7007_USB_EZUSB,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "wis_tw9903",
				.id	= I2C_DRIVERID_WIS_TW9903,
				.addr	= 0x44,
			},
		},
		.num_inputs	 = 2,
		.inputs 	 = {
			{
				.video_input	= 2,
				.name		= "Composite",
			},
			{
				.video_input	= 8,
				.name		= "S-Video",
			},
		},
	},
};

static struct go7007_usb_board board_lifeview_lr192 = {
	.flags		= GO7007_USB_EZUSB,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.flags		 = GO7007_BOARD_HAS_AUDIO |
					GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_VALID_ENABLE |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI |
					GO7007_SENSOR_SCALING,
		.num_i2c_devs	 = 0,
		.num_inputs	 = 1,
		.inputs 	 = {
			{
				.video_input	= 0,
				.name		= "Composite",
			},
		},
	},
};

static struct go7007_usb_board board_endura = {
	.flags		= 0,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.flags		 = 0,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 8000,
		.audio_bclk_div	 = 48,
		.audio_main_div	 = 8,
		.hpi_buffer_cap  = 0,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV,
		.sensor_h_offset = 8,
		.num_i2c_devs	 = 0,
		.num_inputs	 = 1,
		.inputs 	 = {
			{
				.name		= "Camera",
			},
		},
	},
};

static struct go7007_usb_board board_adlink_mpg24 = {
	.flags		= 0,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.flags		 = GO7007_BOARD_USE_ONBOARD_I2C,
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 0,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV |
					GO7007_SENSOR_VBI,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "wis_twTW2804",
				.id	= I2C_DRIVERID_WIS_TW2804,
				.addr	= 0x00, /* yes, really */
			},
		},
		.num_inputs	 = 1,
		.inputs 	 = {
			{
				.name		= "Composite",
			},
		},
	},
};

static struct go7007_usb_board board_sensoray_2250 = {
	.flags		= GO7007_USB_EZUSB | GO7007_USB_EZUSB_I2C,
	.main_info	= {
		.firmware	 = "go7007tv.bin",
		.audio_flags	 = GO7007_AUDIO_I2S_MODE_1 |
					GO7007_AUDIO_I2S_MASTER |
					GO7007_AUDIO_WORD_16,
		.flags		 = GO7007_BOARD_HAS_AUDIO,
		.audio_rate	 = 48000,
		.audio_bclk_div	 = 8,
		.audio_main_div	 = 2,
		.hpi_buffer_cap  = 7,
		.sensor_flags	 = GO7007_SENSOR_656 |
					GO7007_SENSOR_TV,
		.num_i2c_devs	 = 1,
		.i2c_devs	 = {
			{
				.type	= "s2250_board",
				.id	= I2C_DRIVERID_S2250,
				.addr	= 0x43,
			},
		},
		.num_inputs	 = 2,
		.inputs 	 = {
			{
				.video_input	= 0,
				.name		= "Composite",
			},
			{
				.video_input	= 1,
				.name		= "S-Video",
			},
		},
	},
};

static struct usb_device_id go7007_usb_id_table[] = {
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
					USB_DEVICE_ID_MATCH_INT_INFO,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x200,   /* Revision number of XMen */
		.bcdDevice_hi	= 0x200,
		.bInterfaceClass	= 255,
		.bInterfaceSubClass	= 0,
		.bInterfaceProtocol	= 255,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x202,   /* Revision number of Matrix II */
		.bcdDevice_hi	= 0x202,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_II,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x204,   /* Revision number of Matrix */
		.bcdDevice_hi	= 0x204,   /*     Reloaded */
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_RELOAD,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
					USB_DEVICE_ID_MATCH_INT_INFO,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x205,   /* Revision number of XMen-II */
		.bcdDevice_hi	= 0x205,
		.bInterfaceClass	= 255,
		.bInterfaceSubClass	= 0,
		.bInterfaceProtocol	= 255,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_II,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x208,   /* Revision number of Star Trek */
		.bcdDevice_hi	= 0x208,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_STAR_TREK,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION |
					USB_DEVICE_ID_MATCH_INT_INFO,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x209,   /* Revision number of XMen-III */
		.bcdDevice_hi	= 0x209,
		.bInterfaceClass	= 255,
		.bInterfaceSubClass	= 0,
		.bInterfaceProtocol	= 255,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_XMEN_III,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x0eb1,  /* Vendor ID of WIS Technologies */
		.idProduct	= 0x7007,  /* Product ID of GO7007SB chip */
		.bcdDevice_lo	= 0x210,   /* Revision number of Matrix */
		.bcdDevice_hi	= 0x210,   /*     Revolution */
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_MATRIX_REV,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
		.idProduct	= 0xa102,  /* Product ID of M402U */
		.bcdDevice_lo	= 0x1,	   /* revision number of Blueberry */
		.bcdDevice_hi	= 0x1,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_M402U,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x093b,  /* Vendor ID of Plextor */
		.idProduct	= 0xa104,  /* Product ID of TV402U */
		.bcdDevice_lo	= 0x1,
		.bcdDevice_hi	= 0x1,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_PX_TV402U_ANY,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x10fd,  /* Vendor ID of Anubis Electronics */
		.idProduct	= 0xde00,  /* Product ID of Lifeview LR192 */
		.bcdDevice_lo	= 0x1,
		.bcdDevice_hi	= 0x1,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_LIFEVIEW_LR192,
	},
	{
		.match_flags	= USB_DEVICE_ID_MATCH_DEVICE_AND_VERSION,
		.idVendor	= 0x1943,  /* Vendor ID Sensoray */
		.idProduct	= 0x2250,  /* Product ID of 2250/2251 */
		.bcdDevice_lo	= 0x1,
		.bcdDevice_hi	= 0x1,
		.driver_info	= (kernel_ulong_t)GO7007_BOARDID_SENSORAY_2250,
	},
	{ }					/* Terminating entry */
};

MODULE_DEVICE_TABLE(usb, go7007_usb_id_table);

/********************* Driver for EZ-USB HPI interface *********************/

static int go7007_usb_vendor_request(struct go7007 *go, int request,
		int value, int index, void *transfer_buffer, int length, int in)
{
	struct go7007_usb *usb = go->hpi_context;
	int timeout = 5000;

	if (in) {
		return usb_control_msg(usb->usbdev,
				usb_rcvctrlpipe(usb->usbdev, 0), request,
				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
				value, index, transfer_buffer, length, timeout);
	} else {
		return usb_control_msg(usb->usbdev,
				usb_sndctrlpipe(usb->usbdev, 0), request,
				USB_TYPE_VENDOR | USB_RECIP_DEVICE,
				value, index, transfer_buffer, length, timeout);
	}
}

static int go7007_usb_interface_reset(struct go7007 *go)
{
	struct go7007_usb *usb = go->hpi_context;
	u16 intr_val, intr_data;

	/* Reset encoder */
	if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
		return -1;
	msleep(100);

	if (usb->board->flags & GO7007_USB_EZUSB) {
		/* Reset buffer in EZ-USB */
#ifdef GO7007_USB_DEBUG
		printk(KERN_DEBUG "go7007-usb: resetting EZ-USB buffers\n");
#endif
		if (go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0 ||
		    go7007_usb_vendor_request(go, 0x10, 0, 0, NULL, 0, 0) < 0)
			return -1;

		/* Reset encoder again */
		if (go7007_write_interrupt(go, 0x0001, 0x0001) < 0)
			return -1;
		msleep(100);
	}

	/* Wait for an interrupt to indicate successful hardware reset */
	if (go7007_read_interrupt(go, &intr_val, &intr_data) < 0 ||
			(intr_val & ~0x1) != 0x55aa) {
		printk(KERN_ERR
			"go7007-usb: unable to reset the USB interface\n");
		return -1;
	}
	return 0;
}

static int go7007_usb_ezusb_write_interrupt(struct go7007 *go,
						int addr, int data)
{
	struct go7007_usb *usb = go->hpi_context;
	int i, r;
	u16 status_reg;
	int timeout = 500;

#ifdef GO7007_USB_DEBUG
	printk(KERN_DEBUG
		"go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
#endif

	for (i = 0; i < 100; ++i) {
		r = usb_control_msg(usb->usbdev,
				usb_rcvctrlpipe(usb->usbdev, 0), 0x14,
				USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN,
				0, HPI_STATUS_ADDR, &status_reg,
				sizeof(status_reg), timeout);
		if (r < 0)
			goto write_int_error;
		__le16_to_cpus(&status_reg);
		if (!(status_reg & 0x0010))
			break;
		msleep(10);
	}
	if (i == 100) {
		printk(KERN_ERR
			"go7007-usb: device is hung, status reg = 0x%04x\n",
			status_reg);
		return -1;
	}
	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0), 0x12,
			USB_TYPE_VENDOR | USB_RECIP_DEVICE, data,
			INT_PARAM_ADDR, NULL, 0, timeout);
	if (r < 0)
		goto write_int_error;
	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 0),
			0x12, USB_TYPE_VENDOR | USB_RECIP_DEVICE, addr,
			INT_INDEX_ADDR, NULL, 0, timeout);
	if (r < 0)
		goto write_int_error;
	return 0;

write_int_error:
	printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
	return r;
}

static int go7007_usb_onboard_write_interrupt(struct go7007 *go,
						int addr, int data)
{
	struct go7007_usb *usb = go->hpi_context;
	u8 *tbuf;
	int r;
	int timeout = 500;

#ifdef GO7007_USB_DEBUG
	printk(KERN_DEBUG
		"go7007-usb: WriteInterrupt: %04x %04x\n", addr, data);
#endif

	tbuf = kmalloc(8, GFP_KERNEL);
	if (tbuf == NULL)
		return -ENOMEM;
	memset(tbuf, 0, 8);
	tbuf[0] = data & 0xff;
	tbuf[1] = data >> 8;
	tbuf[2] = addr & 0xff;
	tbuf[3] = addr >> 8;
	r = usb_control_msg(usb->usbdev, usb_sndctrlpipe(usb->usbdev, 2), 0x00,
			USB_TYPE_VENDOR | USB_RECIP_ENDPOINT, 0x55aa,
			0xf0f0, tbuf, 8, timeout);
	kfree(tbuf);
	if (r < 0) {
		printk(KERN_ERR "go7007-usb: error in WriteInterrupt: %d\n", r);
		return r;
	}
	return 0;
}

static void go7007_usb_readinterrupt_complete(struct urb *urb)
{
	struct go7007 *go = (struct go7007 *)urb->context;
	u16 *regs = (u16 *)urb->transfer_buffer;
	int status = urb->status;

	if (status) {
		if (status != -ESHUTDOWN &&
				go->status != STATUS_SHUTDOWN) {
			printk(KERN_ERR
				"go7007-usb: error in read interrupt: %d\n",
				urb->status);
		} else {
			wake_up(&go->interrupt_waitq);
			return;
		}
	} else if (urb->actual_length != urb->transfer_buffer_length) {
		printk(KERN_ERR "go7007-usb: short read in interrupt pipe!\n");
	} else {
		go->interrupt_available = 1;
		go->interrupt_data = __le16_to_cpu(regs[0]);
		go->interrupt_value = __le16_to_cpu(regs[1]);
#ifdef GO7007_USB_DEBUG
		printk(KERN_DEBUG "go7007-usb: ReadInterrupt: %04x %04x\n",
				go->interrupt_value, go->interrupt_data);
#endif
	}

	wake_up(&go->interrupt_waitq);
}

static int go7007_usb_read_interrupt(struct go7007 *go)
{
	struct go7007_usb *usb = go->hpi_context;
	int r;

	r = usb_submit_urb(usb->intr_urb, GFP_KERNEL);
	if (r < 0) {
		printk(KERN_ERR
			"go7007-usb: unable to submit interrupt urb: %d\n", r);
		return r;
	}
	return 0;
}

static void go7007_usb_read_video_pipe_complete(struct urb *urb)
{
	struct go7007 *go = (struct go7007 *)urb->context;
	int r, status = urb-> status;

	if (!go->streaming) {
		wake_up_interruptible(&go->frame_waitq);
		return;
	}
	if (status) {
		printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", status);
		return;
	}
	if (urb->actual_length != urb->transfer_buffer_length) {
		printk(KERN_ERR "go7007-usb: short read in video pipe!\n");
		return;
	}
	go7007_parse_video_stream(go, urb->transfer_buffer, urb->actual_length);
	r = usb_submit_urb(urb, GFP_ATOMIC);
	if (r < 0)
		printk(KERN_ERR "go7007-usb: error in video pipe: %d\n", r);
}

static void go7007_usb_read_audio_pipe_complete(struct urb *urb)
{
	struct go7007 *go = (struct go7007 *)urb->context;
	int r, status = urb->status;

	if (!go->streaming)
		return;
	if (status) {
		printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", status);
		return;
	}
	if (urb->actual_length != urb->transfer_buffer_length) {
		printk(KERN_ERR "go7007-usb: short read in audio pipe!\n");
		return;
	}
	if (go->audio_deliver != NULL)
		go->audio_deliver(go, urb->transfer_buffer, urb->actual_length);
	r = usb_submit_urb(urb, GFP_ATOMIC);
	if (r < 0)
		printk(KERN_ERR "go7007-usb: error in audio pipe: %d\n", r);
}

static int go7007_usb_stream_start(struct go7007 *go)
{
	struct go7007_usb *usb = go->hpi_context;
	int i, r;

	for (i = 0; i < 8; ++i) {
		r = usb_submit_urb(usb->video_urbs[i], GFP_KERNEL);
		if (r < 0) {
			printk(KERN_ERR "go7007-usb: error submitting video "
					"urb %d: %d\n", i, r);
			goto video_submit_failed;
		}
	}
	if (!go->audio_enabled)
		return 0;

	for (i = 0; i < 8; ++i) {
		r = usb_submit_urb(usb->audio_urbs[i], GFP_KERNEL);
		if (r < 0) {
			printk(KERN_ERR "go7007-usb: error submitting audio "
					"urb %d: %d\n", i, r);
			goto audio_submit_failed;
		}
	}
	return 0;

audio_submit_failed:
	for (i = 0; i < 7; ++i)
		usb_kill_urb(usb->audio_urbs[i]);
video_submit_failed:
	for (i = 0; i < 8; ++i)
		usb_kill_urb(usb->video_urbs[i]);
	return -1;
}

static int go7007_usb_stream_stop(struct go7007 *go)
{
	struct go7007_usb *usb = go->hpi_context;
	int i;

	if (go->status == STATUS_SHUTDOWN)
		return 0;
	for (i = 0; i < 8; ++i)
		usb_kill_urb(usb->video_urbs[i]);
	if (go->audio_enabled)
		for (i = 0; i < 8; ++i)
			usb_kill_urb(usb->audio_urbs[i]);
	return 0;
}

static int go7007_usb_send_firmware(struct go7007 *go, u8 *data, int len)
{
	struct go7007_usb *usb = go->hpi_context;
	int transferred, pipe;
	int timeout = 500;

#ifdef GO7007_USB_DEBUG
	printk(KERN_DEBUG "go7007-usb: DownloadBuffer sending %d bytes\n", len);
#endif

	if (usb->board->flags & GO7007_USB_EZUSB)
		pipe = usb_sndbulkpipe(usb->usbdev, 2);
	else
		pipe = usb_sndbulkpipe(usb->usbdev, 3);

	return usb_bulk_msg(usb->usbdev, pipe, data, len,
					&transferred, timeout);
}

static struct go7007_hpi_ops go7007_usb_ezusb_hpi_ops = {
	.interface_reset	= go7007_usb_interface_reset,
	.write_interrupt	= go7007_usb_ezusb_write_interrupt,
	.read_interrupt		= go7007_usb_read_interrupt,
	.stream_start		= go7007_usb_stream_start,
	.stream_stop		= go7007_usb_stream_stop,
	.send_firmware		= go7007_usb_send_firmware,
};

static struct go7007_hpi_ops go7007_usb_onboard_hpi_ops = {
	.interface_reset	= go7007_usb_interface_reset,
	.write_interrupt	= go7007_usb_onboard_write_interrupt,
	.read_interrupt		= go7007_usb_read_interrupt,
	.stream_start		= go7007_usb_stream_start,
	.stream_stop		= go7007_usb_stream_stop,
	.send_firmware		= go7007_usb_send_firmware,
};

/********************* Driver for EZ-USB I2C adapter *********************/

static int go7007_usb_i2c_master_xfer(struct i2c_adapter *adapter,
					struct i2c_msg msgs[], int num)
{
	struct go7007 *go = i2c_get_adapdata(adapter);
	struct go7007_usb *usb = go->hpi_context;
	u8 buf[16];
	int buf_len, i;
	int ret = -1;

	if (go->status == STATUS_SHUTDOWN)
		return -1;

	down(&usb->i2c_lock);

	for (i = 0; i < num; ++i) {
		/* The hardware command is "write some bytes then read some
		 * bytes", so we try to coalesce a write followed by a read
		 * into a single USB transaction */
		if (i + 1 < num && msgs[i].addr == msgs[i + 1].addr &&
				!(msgs[i].flags & I2C_M_RD) &&
				(msgs[i + 1].flags & I2C_M_RD)) {
#ifdef GO7007_I2C_DEBUG
			printk(KERN_DEBUG "go7007-usb: i2c write/read %d/%d "
					"bytes on %02x\n", msgs[i].len,
					msgs[i + 1].len, msgs[i].addr);
#endif
			buf[0] = 0x01;
			buf[1] = msgs[i].len + 1;
			buf[2] = msgs[i].addr << 1;
			memcpy(&buf[3], msgs[i].buf, msgs[i].len);
			buf_len = msgs[i].len + 3;
			buf[buf_len++] = msgs[++i].len;
		} else if (msgs[i].flags & I2C_M_RD) {
#ifdef GO7007_I2C_DEBUG
			printk(KERN_DEBUG "go7007-usb: i2c read %d "
					"bytes on %02x\n", msgs[i].len,
					msgs[i].addr);
#endif
			buf[0] = 0x01;
			buf[1] = 1;
			buf[2] = msgs[i].addr << 1;
			buf[3] = msgs[i].len;
			buf_len = 4;
		} else {
#ifdef GO7007_I2C_DEBUG
			printk(KERN_DEBUG "go7007-usb: i2c write %d "
					"bytes on %02x\n", msgs[i].len,
					msgs[i].addr);
#endif
			buf[0] = 0x00;
			buf[1] = msgs[i].len + 1;
			buf[2] = msgs[i].addr << 1;
			memcpy(&buf[3], msgs[i].buf, msgs[i].len);
			buf_len = msgs[i].len + 3;
			buf[buf_len++] = 0;
		}
		if (go7007_usb_vendor_request(go, 0x24, 0, 0,
						buf, buf_len, 0) < 0)
			goto i2c_done;
		if (msgs[i].flags & I2C_M_RD) {
			memset(buf, 0, sizeof(buf));
			if (go7007_usb_vendor_request(go, 0x25, 0, 0, buf,
						msgs[i].len + 1, 1) < 0)
				goto i2c_done;
			memcpy(msgs[i].buf, buf + 1, msgs[i].len);
		}
	}
	ret = 0;

i2c_done:
	up(&usb->i2c_lock);
	return ret;
}

static u32 go7007_usb_functionality(struct i2c_adapter *adapter)
{
	/* No errors are reported by the hardware, so we don't bother
	 * supporting quick writes to avoid confusing probing */
	return (I2C_FUNC_SMBUS_EMUL) & ~I2C_FUNC_SMBUS_QUICK;
}

static struct i2c_algorithm go7007_usb_algo = {
	.master_xfer	= go7007_usb_i2c_master_xfer,
	.functionality	= go7007_usb_functionality,
};

static struct i2c_adapter go7007_usb_adap_templ = {
	.owner			= THIS_MODULE,
	.name			= "WIS GO7007SB EZ-USB",
	.algo			= &go7007_usb_algo,
};

/********************* USB add/remove functions *********************/

static int go7007_usb_probe(struct usb_interface *intf,
		const struct usb_device_id *id)
{
	struct go7007 *go;
	struct go7007_usb *usb;
	struct go7007_usb_board *board;
	struct usb_device *usbdev = interface_to_usbdev(intf);
	char *name;
	int video_pipe, i, v_urb_len;

	printk(KERN_DEBUG "go7007-usb: probing new GO7007 USB board\n");

	switch (id->driver_info) {
	case GO7007_BOARDID_MATRIX_II:
		name = "WIS Matrix II or compatible";
		board = &board_matrix_ii;
		break;
	case GO7007_BOARDID_MATRIX_RELOAD:
		name = "WIS Matrix Reloaded or compatible";
		board = &board_matrix_reload;
		break;
	case GO7007_BOARDID_MATRIX_REV:
		name = "WIS Matrix Revolution or compatible";
		board = &board_matrix_revolution;
		break;
	case GO7007_BOARDID_STAR_TREK:
		name = "WIS Star Trek or compatible";
		board = &board_star_trek;
		break;
	case GO7007_BOARDID_XMEN:
		name = "WIS XMen or compatible";
		board = &board_xmen;
		break;
	case GO7007_BOARDID_XMEN_II:
		name = "WIS XMen II or compatible";
		board = &board_xmen;
		break;
	case GO7007_BOARDID_XMEN_III:
		name = "WIS XMen III or compatible";
		board = &board_xmen;
		break;
	case GO7007_BOARDID_PX_M402U:
		name = "Plextor PX-M402U";
		board = &board_matrix_ii;
		break;
	case GO7007_BOARDID_PX_TV402U_ANY:
		name = "Plextor PX-TV402U (unknown tuner)";
		board = &board_px_tv402u;
		break;
	case GO7007_BOARDID_LIFEVIEW_LR192:
		printk(KERN_ERR "go7007-usb: The Lifeview TV Walker Ultra "
				"is not supported.  Sorry!\n");
		return 0;
		name = "Lifeview TV Walker Ultra";
		board = &board_lifeview_lr192;
		break;
	case GO7007_BOARDID_SENSORAY_2250:
		printk(KERN_INFO "Sensoray 2250 found\n");
		name = "Sensoray 2250/2251\n";
		board = &board_sensoray_2250;
		break;
	default:
		printk(KERN_ERR "go7007-usb: unknown board ID %d!\n",
				(unsigned int)id->driver_info);
		return 0;
	}

	usb = kzalloc(sizeof(struct go7007_usb), GFP_KERNEL);
	if (usb == NULL)
		return -ENOMEM;

	/* Allocate the URB and buffer for receiving incoming interrupts */
	usb->intr_urb = usb_alloc_urb(0, GFP_KERNEL);
	if (usb->intr_urb == NULL)
		goto allocfail;
	usb->intr_urb->transfer_buffer = kmalloc(2*sizeof(u16), GFP_KERNEL);
	if (usb->intr_urb->transfer_buffer == NULL)
		goto allocfail;

	go = go7007_alloc(&board->main_info, &intf->dev);
	if (go == NULL)
		goto allocfail;
	usb->board = board;
	usb->usbdev = usbdev;
	go->board_id = id->driver_info;
	strncpy(go->name, name, sizeof(go->name));
	if (board->flags & GO7007_USB_EZUSB)
		go->hpi_ops = &go7007_usb_ezusb_hpi_ops;
	else
		go->hpi_ops = &go7007_usb_onboard_hpi_ops;
	go->hpi_context = usb;
	usb_fill_int_urb(usb->intr_urb, usb->usbdev,
			usb_rcvintpipe(usb->usbdev, 4),
			usb->intr_urb->transfer_buffer, 2*sizeof(u16),
			go7007_usb_readinterrupt_complete, go, 8);
	usb_set_intfdata(intf, go);

	/* Boot the GO7007 */
	if (go7007_boot_encoder(go, go->board_info->flags &
					GO7007_BOARD_USE_ONBOARD_I2C) < 0)
		goto initfail;

	/* Register the EZ-USB I2C adapter, if we're using it */
	if (board->flags & GO7007_USB_EZUSB_I2C) {
		memcpy(&go->i2c_adapter, &go7007_usb_adap_templ,
				sizeof(go7007_usb_adap_templ));
		init_MUTEX(&usb->i2c_lock);
		go->i2c_adapter.dev.parent = go->dev;
		i2c_set_adapdata(&go->i2c_adapter, go);
		if (i2c_add_adapter(&go->i2c_adapter) < 0) {
			printk(KERN_ERR
				"go7007-usb: error: i2c_add_adapter failed\n");
			goto initfail;
		}
		go->i2c_adapter_online = 1;
	}

	/* Pelco and Adlink reused the XMen and XMen-III vendor and product
	 * IDs for their own incompatible designs.  We can detect XMen boards
	 * by probing the sensor, but there is no way to probe the sensors on
	 * the Pelco and Adlink designs so we default to the Adlink.  If it
	 * is actually a Pelco, the user must set the assume_endura module
	 * parameter. */
	if ((go->board_id == GO7007_BOARDID_XMEN ||
				go->board_id == GO7007_BOARDID_XMEN_III) &&
			go->i2c_adapter_online) {
		union i2c_smbus_data data;

		/* Check to see if register 0x0A is 0x76 */
		i2c_smbus_xfer(&go->i2c_adapter, 0x21, I2C_CLIENT_SCCB,
			I2C_SMBUS_READ, 0x0A, I2C_SMBUS_BYTE_DATA, &data);
		if (data.byte != 0x76) {
			if (assume_endura) {
				go->board_id = GO7007_BOARDID_ENDURA;
				usb->board = board = &board_endura;
				go->board_info = &board->main_info;
				strncpy(go->name, "Pelco Endura",
						sizeof(go->name));
			} else {
				u16 channel;

				/* set GPIO5 to be an output, currently low */
				go7007_write_addr(go, 0x3c82, 0x0000);
				go7007_write_addr(go, 0x3c80, 0x00df);
				/* read channel number from GPIO[1:0] */
				go7007_read_addr(go, 0x3c81, &channel);
				channel &= 0x3;
				go->board_id = GO7007_BOARDID_ADLINK_MPG24;
				usb->board = board = &board_adlink_mpg24;
				go->board_info = &board->main_info;
				go->channel_number = channel;
				snprintf(go->name, sizeof(go->name),
					"Adlink PCI-MPG24, channel #%d",
					channel);
			}
		}
	}

	/* Probe the tuner model on the TV402U */
	if (go->board_id == GO7007_BOARDID_PX_TV402U_ANY) {
		u8 data[3];

		/* Board strapping indicates tuner model */
		if (go7007_usb_vendor_request(go, 0x41, 0, 0, data, 3, 1) < 0) {
			printk(KERN_ERR "go7007-usb: GPIO read failed!\n");
			goto initfail;
		}
		switch (data[0] >> 6) {
		case 1:
			go->board_id = GO7007_BOARDID_PX_TV402U_EU;
			go->tuner_type = TUNER_SONY_BTF_PG472Z;
			strncpy(go->name, "Plextor PX-TV402U-EU",
					sizeof(go->name));
			break;
		case 2:
			go->board_id = GO7007_BOARDID_PX_TV402U_JP;
			go->tuner_type = TUNER_SONY_BTF_PK467Z;
			strncpy(go->name, "Plextor PX-TV402U-JP",
					sizeof(go->name));
			break;
		case 3:
			go->board_id = GO7007_BOARDID_PX_TV402U_NA;
			go->tuner_type = TUNER_SONY_BTF_PB463Z;
			strncpy(go->name, "Plextor PX-TV402U-NA",
					sizeof(go->name));
			break;
		default:
			printk(KERN_DEBUG "go7007-usb: unable to detect "
						"tuner type!\n");
			break;
		}
		/* Configure tuner mode selection inputs connected
		 * to the EZ-USB GPIO output pins */
		if (go7007_usb_vendor_request(go, 0x40, 0x7f02, 0,
					NULL, 0, 0) < 0) {
			printk(KERN_ERR
				"go7007-usb: GPIO write failed!\n");
			goto initfail;
		}
	}

	/* Print a nasty message if the user attempts to use a USB2.0 device in
	 * a USB1.1 port.  There will be silent corruption of the stream. */
	if ((board->flags & GO7007_USB_EZUSB) &&
			usbdev->speed != USB_SPEED_HIGH)
		printk(KERN_ERR "go7007-usb: *** WARNING ***  This device "
				"must be connected to a USB 2.0 port!  "
				"Attempting to capture video through a USB 1.1 "
				"port will result in stream corruption, even "
				"at low bitrates!\n");

	/* Do any final GO7007 initialization, then register the
	 * V4L2 and ALSA interfaces */
	if (go7007_register_encoder(go) < 0)
		goto initfail;

	/* Allocate the URBs and buffers for receiving the video stream */
	if (board->flags & GO7007_USB_EZUSB) {
		v_urb_len = 1024;
		video_pipe = usb_rcvbulkpipe(usb->usbdev, 6);
	} else {
		v_urb_len = 512;
		video_pipe = usb_rcvbulkpipe(usb->usbdev, 1);
	}
	for (i = 0; i < 8; ++i) {
		usb->video_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
		if (usb->video_urbs[i] == NULL)
			goto initfail;
		usb->video_urbs[i]->transfer_buffer =
						kmalloc(v_urb_len, GFP_KERNEL);
		if (usb->video_urbs[i]->transfer_buffer == NULL)
			goto initfail;
		usb_fill_bulk_urb(usb->video_urbs[i], usb->usbdev, video_pipe,
				usb->video_urbs[i]->transfer_buffer, v_urb_len,
				go7007_usb_read_video_pipe_complete, go);
	}

	/* Allocate the URBs and buffers for receiving the audio stream */
	if ((board->flags & GO7007_USB_EZUSB) && go->audio_enabled)
		for (i = 0; i < 8; ++i) {
			usb->audio_urbs[i] = usb_alloc_urb(0, GFP_KERNEL);
			if (usb->audio_urbs[i] == NULL)
				goto initfail;
			usb->audio_urbs[i]->transfer_buffer = kmalloc(4096,
								GFP_KERNEL);
			if (usb->audio_urbs[i]->transfer_buffer == NULL)
				goto initfail;
			usb_fill_bulk_urb(usb->audio_urbs[i], usb->usbdev,
				usb_rcvbulkpipe(usb->usbdev, 8),
				usb->audio_urbs[i]->transfer_buffer, 4096,
				go7007_usb_read_audio_pipe_complete, go);
		}


	go->status = STATUS_ONLINE;
	return 0;

initfail:
	go->status = STATUS_SHUTDOWN;
	return 0;

allocfail:
	if (usb->intr_urb) {
		kfree(usb->intr_urb->transfer_buffer);
		usb_free_urb(usb->intr_urb);
	}
	kfree(usb);
	return -ENOMEM;
}

static void go7007_usb_disconnect(struct usb_interface *intf)
{
	struct go7007 *go = usb_get_intfdata(intf);
	struct go7007_usb *usb = go->hpi_context;
	struct urb *vurb, *aurb;
	int i;

	go->status = STATUS_SHUTDOWN;
	usb_kill_urb(usb->intr_urb);

	/* Free USB-related structs */
	for (i = 0; i < 8; ++i) {
		vurb = usb->video_urbs[i];
		if (vurb) {
			usb_kill_urb(vurb);
			if (vurb->transfer_buffer)
				kfree(vurb->transfer_buffer);
			usb_free_urb(vurb);
		}
		aurb = usb->audio_urbs[i];
		if (aurb) {
			usb_kill_urb(aurb);
			if (aurb->transfer_buffer)
				kfree(aurb->transfer_buffer);
			usb_free_urb(aurb);
		}
	}
	kfree(usb->intr_urb->transfer_buffer);
	usb_free_urb(usb->intr_urb);

	kfree(go->hpi_context);

	go7007_remove(go);
}

static struct usb_driver go7007_usb_driver = {
	.name		= "go7007",
	.probe		= go7007_usb_probe,
	.disconnect	= go7007_usb_disconnect,
	.id_table	= go7007_usb_id_table,
};

static int __init go7007_usb_init(void)
{
	return usb_register(&go7007_usb_driver);
}

static void __exit go7007_usb_cleanup(void)
{
	usb_deregister(&go7007_usb_driver);
}

module_init(go7007_usb_init);
module_exit(go7007_usb_cleanup);

MODULE_LICENSE("GPL v2");