aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/media/video/cx88/cx88-blackbird.c
blob: 4ae3f78cccf2f7fdc512eb38779e25ab003753e5 (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
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
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
/*
 *
 *  Support for a cx23416 mpeg encoder via cx2388x host port.
 *  "blackbird" reference design.
 *
 *    (c) 2004 Jelle Foks <jelle@foks.8m.com>
 *    (c) 2004 Gerd Knorr <kraxel@bytesex.org>
 *
 *  Includes parts from the ivtv driver( http://ivtv.sourceforge.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.
 *
 *  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/init.h>
#include <linux/fs.h>
#include <linux/delay.h>
#include <linux/device.h>
#include <linux/firmware.h>

#include "cx88.h"

MODULE_DESCRIPTION("driver for cx2388x/cx23416 based mpeg encoder cards");
MODULE_AUTHOR("Jelle Foks <jelle@foks.8m.com>");
MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");
MODULE_LICENSE("GPL");

static unsigned int mpegbufs = 32;
module_param(mpegbufs,int,0644);
MODULE_PARM_DESC(mpegbufs,"number of mpeg buffers, range 2-32");

static unsigned int debug = 0;
module_param(debug,int,0644);
MODULE_PARM_DESC(debug,"enable debug messages [blackbird]");

#define dprintk(level,fmt, arg...)	if (debug >= level) \
	printk(KERN_DEBUG "%s/2-bb: " fmt, dev->core->name , ## arg)

static LIST_HEAD(cx8802_devlist);

/* ------------------------------------------------------------------ */

#define BLACKBIRD_FIRM_ENC_FILENAME "blackbird-fw-enc.bin"
#define BLACKBIRD_FIRM_IMAGE_SIZE 256*1024

/* defines below are from ivtv-driver.h */

#define IVTV_CMD_HW_BLOCKS_RST 0xFFFFFFFF

/* Firmware API commands */
#define IVTV_API_STD_TIMEOUT 500

#define BLACKBIRD_API_PING               0x80
#define BLACKBIRD_API_BEGIN_CAPTURE      0x81
enum blackbird_capture_type {
	BLACKBIRD_MPEG_CAPTURE,
	BLACKBIRD_RAW_CAPTURE,
	BLACKBIRD_RAW_PASSTHRU_CAPTURE
};
enum blackbird_capture_bits {
	BLACKBIRD_RAW_BITS_NONE             = 0x00,
	BLACKBIRD_RAW_BITS_YUV_CAPTURE      = 0x01,
	BLACKBIRD_RAW_BITS_PCM_CAPTURE      = 0x02,
	BLACKBIRD_RAW_BITS_VBI_CAPTURE      = 0x04,
	BLACKBIRD_RAW_BITS_PASSTHRU_CAPTURE = 0x08,
	BLACKBIRD_RAW_BITS_TO_HOST_CAPTURE  = 0x10
};
#define BLACKBIRD_API_END_CAPTURE        0x82
enum blackbird_capture_end {
	BLACKBIRD_END_AT_GOP, /* stop at the end of gop, generate irq */
	BLACKBIRD_END_NOW, /* stop immediately, no irq */
};
#define BLACKBIRD_API_SET_AUDIO_ID       0x89
#define BLACKBIRD_API_SET_VIDEO_ID       0x8B
#define BLACKBIRD_API_SET_PCR_ID         0x8D
#define BLACKBIRD_API_SET_FRAMERATE      0x8F
enum blackbird_framerate {
	BLACKBIRD_FRAMERATE_NTSC_30, /* NTSC: 30fps */
	BLACKBIRD_FRAMERATE_PAL_25   /* PAL: 25fps */
};
#define BLACKBIRD_API_SET_RESOLUTION     0x91
#define BLACKBIRD_API_SET_VIDEO_BITRATE  0x95
enum blackbird_video_bitrate_type {
	BLACKBIRD_VIDEO_VBR,
	BLACKBIRD_VIDEO_CBR
};
#define BLACKBIRD_PEAK_RATE_DIVISOR 400
enum blackbird_mux_rate {
	BLACKBIRD_MUX_RATE_DEFAULT,
	 /* dvd mux rate: multiply by 400 to get the actual rate */
	BLACKBIRD_MUX_RATE_DVD = 25200
};
#define BLACKBIRD_API_SET_GOP_STRUCTURE  0x97
#define BLACKBIRD_API_SET_ASPECT_RATIO   0x99
enum blackbird_aspect_ratio {
	BLACKBIRD_ASPECT_RATIO_FORBIDDEN,
	BLACKBIRD_ASPECT_RATIO_1_1_SQUARE,
	BLACKBIRD_ASPECT_RATIO_4_3,
	BLACKBIRD_ASPECT_RATIO_16_9,
	BLACKBIRD_ASPECT_RATIO_221_100,
	BLACKBIRD_ASPECT_RATIO_RESERVED
};
#define BLACKBIRD_API_SET_DNR_MODE       0x9B
enum blackbird_dnr_bits {
	BLACKBIRD_DNR_BITS_MANUAL,
	BLACKBIRD_DNR_BITS_AUTO_SPATIAL,
	BLACKBIRD_DNR_BITS_AUTO_TEMPORAL,
	BLACKBIRD_DNR_BITS_AUTO
};
enum blackbird_median_filter {
	BLACKBIRD_MEDIAN_FILTER_DISABLED,
	BLACKBIRD_MEDIAN_FILTER_HORIZONTAL,
	BLACKBIRD_MEDIAN_FILTER_VERTICAL,
	BLACKBIRD_MEDIAN_FILTER_HV,
	BLACKBIRD_MEDIAN_FILTER_DIAGONAL
};
#define BLACKBIRD_API_SET_MANUAL_DNR     0x9D
#define BLACKBIRD_API_SET_DNR_MEDIAN     0x9F
#define BLACKBIRD_API_SET_SPATIAL_FILTER 0xA1
enum blackbird_spatial_filter_luma {
	BLACKBIRD_SPATIAL_FILTER_LUMA_DISABLED,
	BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ,
	BLACKBIRD_SPATIAL_FILTER_LUMA_1D_VERT,
	BLACKBIRD_SPATIAL_FILTER_LUMA_2D_HV, /* separable, default */
	BLACKBIRD_SPATIAL_FILTER_LUMA_2D_SYMM /* symmetric non-separable */
};
enum blackbird_spatial_filter_chroma {
	BLACKBIRD_SPATIAL_FILTER_CHROMA_DISABLED,
	BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ /* default */
};
#define BLACKBIRD_API_SET_3_2_PULLDOWN   0xB1
enum blackbird_pulldown {
	BLACKBIRD_3_2_PULLDOWN_DISABLED,
	BLACKBIRD_3_2_PULLDOWN_ENABLED
};
#define BLACKBIRD_API_SET_VBI_LINE_NO    0xB7
enum blackbird_vbi_line_bits {
	BLACKBIRD_VBI_LINE_BITS_TOP_FIELD,
	BLACKBIRD_VBI_LINE_BITS_BOT_FIELD = (1 << 31),
	BLACKBIRD_VBI_LINE_BITS_ALL_LINES = 0xFFFFFFFF
};
enum blackbird_vbi_line {
	BLACKBIRD_VBI_LINE_DISABLED,
	BLACKBIRD_VBI_LINE_ENABLED
};
enum blackbird_vbi_slicing {
	BLACKBIRD_VBI_SLICING_NONE,
	BLACKBIRD_VBI_SLICING_CLOSED_CAPTION
};
#define BLACKBIRD_API_SET_STREAM_TYPE    0xB9
enum blackbird_stream_type {
	BLACKBIRD_STREAM_PROGRAM,
	BLACKBIRD_STREAM_TRANSPORT,
	BLACKBIRD_STREAM_MPEG1,
	BLACKBIRD_STREAM_PES_AV,
	BLACKBIRD_STREAM_UNKNOWN4,
	BLACKBIRD_STREAM_PES_VIDEO,
	BLACKBIRD_STREAM_UNKNOWN6,
	BLACKBIRD_STREAM_PES_AUDIO,
	BLACKBIRD_STREAM_UNKNOWN8,
	BLACKBIRD_STREAM_UNKNOWN9, /* audio/pcm ? */
	BLACKBIRD_STREAM_DVD,
	BLACKBIRD_STREAM_VCD,
	BLACKBIRD_STREAM_UNKNOWN12 /* svcd/xvcd ? */
};
#define BLACKBIRD_API_SET_OUTPUT_PORT    0xBB
enum blackbird_stream_port {
	BLACKBIRD_OUTPUT_PORT_MEMORY,
	BLACKBIRD_OUTPUT_PORT_STREAMING,
	BLACKBIRD_OUTPUT_PORT_SERIAL
};
#define BLACKBIRD_API_SET_AUDIO_PARAMS   0xBD
enum blackbird_audio_bits_sample_rate {
	BLACKBIRD_AUDIO_BITS_44100HZ,
	BLACKBIRD_AUDIO_BITS_48000HZ,
	BLACKBIRD_AUDIO_BITS_32000HZ,
	BLACKBIRD_AUDIO_BITS_RESERVED_HZ,
};
enum blackbird_audio_bits_encoding {
	BLACKBIRD_AUDIO_BITS_LAYER_1 = 0x1 << 2,
	BLACKBIRD_AUDIO_BITS_LAYER_2 = 0x2 << 2,
};
enum blackbird_audio_bits_bitrate_layer_1 {
	BLACKBIRD_AUDIO_BITS_LAYER_1_FREE_FORMAT,
	BLACKBIRD_AUDIO_BITS_LAYER_1_32  = 0x01 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_64  = 0x02 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_96  = 0x03 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_128 = 0x04 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_160 = 0x05 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_192 = 0x06 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_224 = 0x07 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_256 = 0x08 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_288 = 0x09 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_320 = 0x0A << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_352 = 0x0B << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_384 = 0x0C << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_416 = 0x0D << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_1_448 = 0x0E << 4,
};
enum blackbird_audio_bits_bitrate_layer_2 {
	BLACKBIRD_AUDIO_BITS_LAYER_2_FREE_FORMAT,
	BLACKBIRD_AUDIO_BITS_LAYER_2_32  = 0x01 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_48  = 0x02 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_56  = 0x03 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_64  = 0x04 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_80  = 0x05 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_96  = 0x06 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_112 = 0x07 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_128 = 0x08 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_160 = 0x09 << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_192 = 0x0A << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_224 = 0x0B << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_256 = 0x0C << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_320 = 0x0D << 4,
	BLACKBIRD_AUDIO_BITS_LAYER_2_384 = 0x0E << 4,
};
enum blackbird_audio_bits_mode {
	BLACKBIRD_AUDIO_BITS_STEREO,
	BLACKBIRD_AUDIO_BITS_JOINT_STEREO = 0x1 << 8,
	BLACKBIRD_AUDIO_BITS_DUAL         = 0x2 << 8,
	BLACKBIRD_AUDIO_BITS_MONO         = 0x3 << 8,
};
enum blackbird_audio_bits_mode_extension {
	BLACKBIRD_AUDIO_BITS_BOUND_4,
	BLACKBIRD_AUDIO_BITS_BOUND_8  = 0x1 << 10,
	BLACKBIRD_AUDIO_BITS_BOUND_12 = 0x2 << 10,
	BLACKBIRD_AUDIO_BITS_BOUND_16 = 0x3 << 10,
};
enum blackbird_audio_bits_emphasis {
	BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE,
	BLACKBIRD_AUDIO_BITS_EMPHASIS_50_15     = 0x1 << 12,
	BLACKBIRD_AUDIO_BITS_EMPHASIS_RESERVED  = 0x2 << 12,
	BLACKBIRD_AUDIO_BITS_EMPHASIS_CCITT_J17 = 0x3 << 12,
};
enum blackbird_audio_bits_crc {
	BLACKBIRD_AUDIO_BITS_CRC_OFF,
	BLACKBIRD_AUDIO_BITS_CRC_ON = 0x1 << 14,
};
enum blackbird_audio_bits_copyright {
	BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF,
	BLACKBIRD_AUDIO_BITS_COPYRIGHT_ON = 0x1 << 15,
};
enum blackbird_audio_bits_original {
	BLACKBIRD_AUDIO_BITS_COPY,
	BLACKBIRD_AUDIO_BITS_ORIGINAL = 0x1 << 16,
};
#define BLACKBIRD_API_HALT               0xC3
#define BLACKBIRD_API_GET_VERSION        0xC4
#define BLACKBIRD_API_SET_GOP_CLOSURE    0xC5
enum blackbird_gop_closure {
	BLACKBIRD_GOP_CLOSURE_OFF,
	BLACKBIRD_GOP_CLOSURE_ON,
};
#define BLACKBIRD_API_DATA_XFER_STATUS   0xC6
enum blackbird_data_xfer_status {
	BLACKBIRD_MORE_BUFFERS_FOLLOW,
	BLACKBIRD_LAST_BUFFER,
};
#define BLACKBIRD_API_PROGRAM_INDEX_INFO 0xC7
enum blackbird_picture_mask {
	BLACKBIRD_PICTURE_MASK_NONE,
	BLACKBIRD_PICTURE_MASK_I_FRAMES,
	BLACKBIRD_PICTURE_MASK_I_P_FRAMES = 0x3,
	BLACKBIRD_PICTURE_MASK_ALL_FRAMES = 0x7,
};
#define BLACKBIRD_API_SET_VBI_PARAMS     0xC8
enum blackbird_vbi_mode_bits {
	BLACKBIRD_VBI_BITS_SLICED,
	BLACKBIRD_VBI_BITS_RAW,
};
enum blackbird_vbi_insertion_bits {
	BLACKBIRD_VBI_BITS_INSERT_IN_XTENSION_USR_DATA,
	BLACKBIRD_VBI_BITS_INSERT_IN_PRIVATE_PACKETS = 0x1 << 1,
	BLACKBIRD_VBI_BITS_SEPARATE_STREAM = 0x2 << 1,
	BLACKBIRD_VBI_BITS_SEPARATE_STREAM_USR_DATA = 0x4 << 1,
	BLACKBIRD_VBI_BITS_SEPARATE_STREAM_PRV_DATA = 0x5 << 1,
};
#define BLACKBIRD_API_SET_DMA_BLOCK_SIZE 0xC9
enum blackbird_dma_unit {
	BLACKBIRD_DMA_BYTES,
	BLACKBIRD_DMA_FRAMES,
};
#define BLACKBIRD_API_DMA_TRANSFER_INFO  0xCA
#define BLACKBIRD_API_DMA_TRANSFER_STAT  0xCB
enum blackbird_dma_transfer_status_bits {
	BLACKBIRD_DMA_TRANSFER_BITS_DONE = 0x01,
	BLACKBIRD_DMA_TRANSFER_BITS_ERROR = 0x04,
	BLACKBIRD_DMA_TRANSFER_BITS_LL_ERROR = 0x10,
};
#define BLACKBIRD_API_SET_DMA2HOST_ADDR  0xCC
#define BLACKBIRD_API_INIT_VIDEO_INPUT   0xCD
#define BLACKBIRD_API_SET_FRAMESKIP      0xD0
#define BLACKBIRD_API_PAUSE              0xD2
enum blackbird_pause {
	BLACKBIRD_PAUSE_ENCODING,
	BLACKBIRD_RESUME_ENCODING,
};
#define BLACKBIRD_API_REFRESH_INPUT      0xD3
#define BLACKBIRD_API_SET_COPYRIGHT      0xD4
enum blackbird_copyright {
	BLACKBIRD_COPYRIGHT_OFF,
	BLACKBIRD_COPYRIGHT_ON,
};
#define BLACKBIRD_API_SET_NOTIFICATION   0xD5
enum blackbird_notification_type {
	BLACKBIRD_NOTIFICATION_REFRESH,
};
enum blackbird_notification_status {
	BLACKBIRD_NOTIFICATION_OFF,
	BLACKBIRD_NOTIFICATION_ON,
};
enum blackbird_notification_mailbox {
	BLACKBIRD_NOTIFICATION_NO_MAILBOX = -1,
};
#define BLACKBIRD_API_SET_CAPTURE_LINES  0xD6
enum blackbird_field1_lines {
	BLACKBIRD_FIELD1_SAA7114 = 0x00EF, /* 239 */
	BLACKBIRD_FIELD1_SAA7115 = 0x00F0, /* 240 */
	BLACKBIRD_FIELD1_MICRONAS = 0x0105, /* 261 */
};
enum blackbird_field2_lines {
	BLACKBIRD_FIELD2_SAA7114 = 0x00EF, /* 239 */
	BLACKBIRD_FIELD2_SAA7115 = 0x00F0, /* 240 */
	BLACKBIRD_FIELD2_MICRONAS = 0x0106, /* 262 */
};
#define BLACKBIRD_API_SET_CUSTOM_DATA    0xD7
enum blackbird_custom_data_type {
	BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
	BLACKBIRD_CUSTOM_PRIVATE_PACKET,
};
#define BLACKBIRD_API_MUTE_VIDEO         0xD9
enum blackbird_mute {
	BLACKBIRD_UNMUTE,
	BLACKBIRD_MUTE,
};
enum blackbird_mute_video_mask {
	BLACKBIRD_MUTE_VIDEO_V_MASK = 0x0000FF00,
	BLACKBIRD_MUTE_VIDEO_U_MASK = 0x00FF0000,
	BLACKBIRD_MUTE_VIDEO_Y_MASK = 0xFF000000,
};
enum blackbird_mute_video_shift {
	BLACKBIRD_MUTE_VIDEO_V_SHIFT = 8,
	BLACKBIRD_MUTE_VIDEO_U_SHIFT = 16,
	BLACKBIRD_MUTE_VIDEO_Y_SHIFT = 24,
};
#define BLACKBIRD_API_MUTE_AUDIO         0xDA

/* Registers */
#define IVTV_REG_ENC_SDRAM_REFRESH (0x07F8 /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_ENC_SDRAM_PRECHARGE (0x07FC /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_SPU (0x9050 /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_HW_BLOCKS (0x9054 /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_VPU (0x9058 /*| IVTV_REG_OFFSET*/)
#define IVTV_REG_APU (0xA064 /*| IVTV_REG_OFFSET*/)

/* ------------------------------------------------------------------ */

static void host_setup(struct cx88_core *core)
{
	/* toggle reset of the host */
	cx_write(MO_GPHST_SOFT_RST, 1);
	udelay(100);
	cx_write(MO_GPHST_SOFT_RST, 0);
	udelay(100);

	/* host port setup */
	cx_write(MO_GPHST_WSC, 0x44444444U);
	cx_write(MO_GPHST_XFR, 0);
	cx_write(MO_GPHST_WDTH, 15);
	cx_write(MO_GPHST_HDSHK, 0);
	cx_write(MO_GPHST_MUX16, 0x44448888U);
	cx_write(MO_GPHST_MODE, 0);
}

/* ------------------------------------------------------------------ */

#define P1_MDATA0 0x390000
#define P1_MDATA1 0x390001
#define P1_MDATA2 0x390002
#define P1_MDATA3 0x390003
#define P1_MADDR2 0x390004
#define P1_MADDR1 0x390005
#define P1_MADDR0 0x390006
#define P1_RDATA0 0x390008
#define P1_RDATA1 0x390009
#define P1_RDATA2 0x39000A
#define P1_RDATA3 0x39000B
#define P1_RADDR0 0x39000C
#define P1_RADDR1 0x39000D
#define P1_RRDWR  0x39000E

static int wait_ready_gpio0_bit1(struct cx88_core *core, u32 state)
{
	unsigned long timeout = jiffies + msecs_to_jiffies(1);
	u32 gpio0,need;

	need = state ? 2 : 0;
	for (;;) {
		gpio0 = cx_read(MO_GP0_IO) & 2;
		if (need == gpio0)
			return 0;
		if (time_after(jiffies,timeout))
			return -1;
		udelay(1);
	}
}

static int memory_write(struct cx88_core *core, u32 address, u32 value)
{
	/* Warning: address is dword address (4 bytes) */
	cx_writeb(P1_MDATA0, (unsigned int)value);
	cx_writeb(P1_MDATA1, (unsigned int)(value >> 8));
	cx_writeb(P1_MDATA2, (unsigned int)(value >> 16));
	cx_writeb(P1_MDATA3, (unsigned int)(value >> 24));
	cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) | 0x40);
	cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
	cx_writeb(P1_MADDR0, (unsigned int)address);
	cx_read(P1_MDATA0);
	cx_read(P1_MADDR0);

	return wait_ready_gpio0_bit1(core,1);
}

static int memory_read(struct cx88_core *core, u32 address, u32 *value)
{
	int retval;
	u32 val;

	/* Warning: address is dword address (4 bytes) */
	cx_writeb(P1_MADDR2, (unsigned int)(address >> 16) & ~0xC0);
	cx_writeb(P1_MADDR1, (unsigned int)(address >> 8));
	cx_writeb(P1_MADDR0, (unsigned int)address);
	cx_read(P1_MADDR0);

	retval = wait_ready_gpio0_bit1(core,1);

	cx_writeb(P1_MDATA3, 0);
	val     = (unsigned char)cx_read(P1_MDATA3) << 24;
	cx_writeb(P1_MDATA2, 0);
	val    |= (unsigned char)cx_read(P1_MDATA2) << 16;
	cx_writeb(P1_MDATA1, 0);
	val    |= (unsigned char)cx_read(P1_MDATA1) << 8;
	cx_writeb(P1_MDATA0, 0);
	val    |= (unsigned char)cx_read(P1_MDATA0);

	*value  = val;
	return retval;
}

static int register_write(struct cx88_core *core, u32 address, u32 value)
{
	cx_writeb(P1_RDATA0, (unsigned int)value);
	cx_writeb(P1_RDATA1, (unsigned int)(value >> 8));
	cx_writeb(P1_RDATA2, (unsigned int)(value >> 16));
	cx_writeb(P1_RDATA3, (unsigned int)(value >> 24));
	cx_writeb(P1_RADDR0, (unsigned int)address);
	cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
	cx_writeb(P1_RRDWR, 1);
	cx_read(P1_RDATA0);
	cx_read(P1_RADDR0);

	return wait_ready_gpio0_bit1(core,1);
}


static int register_read(struct cx88_core *core, u32 address, u32 *value)
{
	int retval;
	u32 val;

	cx_writeb(P1_RADDR0, (unsigned int)address);
	cx_writeb(P1_RADDR1, (unsigned int)(address >> 8));
	cx_writeb(P1_RRDWR, 0);
	cx_read(P1_RADDR0);

	retval  = wait_ready_gpio0_bit1(core,1);
	val     = (unsigned char)cx_read(P1_RDATA0);
	val    |= (unsigned char)cx_read(P1_RDATA1) << 8;
	val    |= (unsigned char)cx_read(P1_RDATA2) << 16;
	val    |= (unsigned char)cx_read(P1_RDATA3) << 24;

	*value  = val;
	return retval;
}

/* ------------------------------------------------------------------ */

/* We don't need to call the API often, so using just one mailbox will probably suffice */
static int blackbird_api_cmd(struct cx8802_dev *dev, u32 command,
			     u32 inputcnt, u32 outputcnt, ...)
{
	unsigned long timeout;
	u32 value, flag, retval;
	int i;
	va_list args;
	va_start(args, outputcnt);

	dprintk(1,"%s: 0x%X\n", __FUNCTION__, command);

	/* this may not be 100% safe if we can't read any memory location
	   without side effects */
	memory_read(dev->core, dev->mailbox - 4, &value);
	if (value != 0x12345678) {
		dprintk(0, "Firmware and/or mailbox pointer not initialized or corrupted\n");
		return -1;
	}

	memory_read(dev->core, dev->mailbox, &flag);
	if (flag) {
		dprintk(0, "ERROR: Mailbox appears to be in use (%x)\n", flag);
		return -1;
	}

	flag |= 1; /* tell 'em we're working on it */
	memory_write(dev->core, dev->mailbox, flag);

	/* write command + args + fill remaining with zeros */
	memory_write(dev->core, dev->mailbox + 1, command); /* command code */
	memory_write(dev->core, dev->mailbox + 3, IVTV_API_STD_TIMEOUT); /* timeout */
	for (i = 0; i < inputcnt ; i++) {
		value = va_arg(args, int);
		memory_write(dev->core, dev->mailbox + 4 + i, value);
		dprintk(1, "API Input %d = %d\n", i, value);
	}
	for (; i < 16 ; i++)
		memory_write(dev->core, dev->mailbox + 4 + i, 0);

	flag |= 3; /* tell 'em we're done writing */
	memory_write(dev->core, dev->mailbox, flag);

	/* wait for firmware to handle the API command */
	timeout = jiffies + msecs_to_jiffies(10);
	for (;;) {
		memory_read(dev->core, dev->mailbox, &flag);
		if (0 != (flag & 4))
			break;
		if (time_after(jiffies,timeout)) {
			dprintk(0, "ERROR: API Mailbox timeout\n");
			return -1;
		}
		udelay(10);
	}

	/* read output values */
	for (i = 0; i < outputcnt ; i++) {
		int *vptr = va_arg(args, int *);
		memory_read(dev->core, dev->mailbox + 4 + i, vptr);
		dprintk(1, "API Output %d = %d\n", i, *vptr);
	}
	va_end(args);

	memory_read(dev->core, dev->mailbox + 2, &retval);
	dprintk(1, "API result = %d\n",retval);

	flag = 0;
	memory_write(dev->core, dev->mailbox, flag);
	return retval;
}


static int blackbird_find_mailbox(struct cx8802_dev *dev)
{
	u32 signature[4]={0x12345678, 0x34567812, 0x56781234, 0x78123456};
	int signaturecnt=0;
	u32 value;
	int i;

	for (i = 0; i < BLACKBIRD_FIRM_IMAGE_SIZE; i++) {
		memory_read(dev->core, i, &value);
		if (value == signature[signaturecnt])
			signaturecnt++;
		else
			signaturecnt = 0;
		if (4 == signaturecnt) {
			dprintk(1, "Mailbox signature found\n");
			return i+1;
		}
	}
	dprintk(0, "Mailbox signature values not found!\n");
	return -1;
}

static int blackbird_load_firmware(struct cx8802_dev *dev)
{
	static const unsigned char magic[8] = {
		0xa7, 0x0d, 0x00, 0x00, 0x66, 0xbb, 0x55, 0xaa
	};
	const struct firmware *firmware;
	int i, retval = 0;
	u32 value = 0;
	u32 checksum = 0;
	u32 *dataptr;

	retval  = register_write(dev->core, IVTV_REG_VPU, 0xFFFFFFED);
	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_REFRESH, 0x80000640);
	retval |= register_write(dev->core, IVTV_REG_ENC_SDRAM_PRECHARGE, 0x1A);
	msleep(1);
	retval |= register_write(dev->core, IVTV_REG_APU, 0);

	if (retval < 0)
		dprintk(0, "Error with register_write\n");

	retval = request_firmware(&firmware, BLACKBIRD_FIRM_ENC_FILENAME,
				  &dev->pci->dev);
	if (retval != 0) {
		dprintk(0, "ERROR: Hotplug firmware request failed (%s).\n",
			BLACKBIRD_FIRM_ENC_FILENAME);
		dprintk(0, "Please fix your hotplug setup, the board will "
			"not work without firmware loaded!\n");
		return -1;
	}

	if (firmware->size != BLACKBIRD_FIRM_IMAGE_SIZE) {
		dprintk(0, "ERROR: Firmware size mismatch (have %zd, expected %d)\n",
			firmware->size, BLACKBIRD_FIRM_IMAGE_SIZE);
		return -1;
	}

	if (0 != memcmp(firmware->data, magic, 8)) {
		dprintk(0, "ERROR: Firmware magic mismatch, wrong file?\n");
		return -1;
	}

	/* transfer to the chip */
	dprintk(1,"Loading firmware ...\n");
	dataptr = (u32*)firmware->data;
	for (i = 0; i < (firmware->size >> 2); i++) {
		value = *dataptr;
		checksum += ~value;
		memory_write(dev->core, i, value);
		dataptr++;
	}

	/* read back to verify with the checksum */
	for (i--; i >= 0; i--) {
		memory_read(dev->core, i, &value);
		checksum -= ~value;
	}
	if (checksum) {
		dprintk(0, "ERROR: Firmware load failed (checksum mismatch).\n");
		return -1;
	}
	release_firmware(firmware);
	dprintk(0, "Firmware upload successful.\n");

	retval |= register_write(dev->core, IVTV_REG_HW_BLOCKS, IVTV_CMD_HW_BLOCKS_RST);
	retval |= register_read(dev->core, IVTV_REG_SPU, &value);
	retval |= register_write(dev->core, IVTV_REG_SPU, value & 0xFFFFFFFE);
	msleep(1);

	retval |= register_read(dev->core, IVTV_REG_VPU, &value);
	retval |= register_write(dev->core, IVTV_REG_VPU, value & 0xFFFFFFE8);

	if (retval < 0)
		dprintk(0, "Error with register_write\n");
	return 0;
}

/**
 Settings used by the windows tv app for PVR2000:
=================================================================================================================
Profile | Codec | Resolution | CBR/VBR | Video Qlty   | V. Bitrate | Frmrate | Audio Codec | A. Bitrate | A. Mode
-----------------------------------------------------------------------------------------------------------------
MPEG-1  | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 2000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
MPEG-2  | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 4000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
VCD     | MPEG1 | 352x288PAL | (CBR)   | 1000:Optimal | 1150 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
DVD     | MPEG2 | 720x576PAL | VBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
DB* DVD | MPEG2 | 720x576PAL | CBR     | 600 :Good    | 6000 Kbps  | 25fps   | MPG1 Layer2 | 224kbps    | Stereo
=================================================================================================================
*DB: "DirectBurn"
*/

static struct blackbird_dnr default_dnr_params = {
	.mode     = BLACKBIRD_DNR_BITS_MANUAL,
	.type     = BLACKBIRD_MEDIAN_FILTER_DISABLED,
	.spatial  = 0,
	.temporal = 0
};
static struct v4l2_mpeg_compression default_mpeg_params = {
	.st_type          = V4L2_MPEG_PS_2,
	.st_bitrate       = {
		.mode     = V4L2_BITRATE_CBR,
		.min      = 0,
		.target   = 0,
		.max      = 0
	},
	.ts_pid_pmt       = 16,
	.ts_pid_audio     = 260,
	.ts_pid_video     = 256,
	.ts_pid_pcr       = 259,
	.ps_size          = 0,
	.au_type          = V4L2_MPEG_AU_2_II,
	.au_bitrate       = {
		.mode     = V4L2_BITRATE_CBR,
		.min      = 224,
		.target   = 224,
		.max      = 224
	},
	.au_sample_rate    = 44100,
	.au_pesid          = 0,
	.vi_type           = V4L2_MPEG_VI_2,
	.vi_aspect_ratio   = V4L2_MPEG_ASPECT_4_3,
	.vi_bitrate        = {
		.mode      = V4L2_BITRATE_CBR,
		.min       = 4000,
		.target    = 4500,
		.max       = 6000
	},
	.vi_frame_rate     = 25,
	.vi_frames_per_gop = 15,
	.vi_bframes_count  = 2,
	.vi_pesid          = 0,
	.closed_gops       = 0,
	.pulldown          = 0
};

static enum blackbird_stream_type mpeg_stream_types[] = {
	[V4L2_MPEG_SS_1]   = BLACKBIRD_STREAM_MPEG1,
	[V4L2_MPEG_PS_2]   = BLACKBIRD_STREAM_PROGRAM,
	[V4L2_MPEG_TS_2]   = BLACKBIRD_STREAM_TRANSPORT,
	[V4L2_MPEG_PS_DVD] = BLACKBIRD_STREAM_DVD,
};
static enum blackbird_aspect_ratio mpeg_stream_ratios[] = {
	[V4L2_MPEG_ASPECT_SQUARE] = BLACKBIRD_ASPECT_RATIO_1_1_SQUARE,
	[V4L2_MPEG_ASPECT_4_3]    = BLACKBIRD_ASPECT_RATIO_4_3,
	[V4L2_MPEG_ASPECT_16_9]   = BLACKBIRD_ASPECT_RATIO_16_9,
	[V4L2_MPEG_ASPECT_1_221]  = BLACKBIRD_ASPECT_RATIO_221_100,
};
static enum blackbird_video_bitrate_type mpeg_video_bitrates[] = {
	[V4L2_BITRATE_NONE] = BLACKBIRD_VIDEO_CBR,
	[V4L2_BITRATE_CBR]  = BLACKBIRD_VIDEO_CBR,
	[V4L2_BITRATE_VBR]  = BLACKBIRD_VIDEO_VBR,
};
/* find the best layer I/II bitrate to fit a given numeric value */
struct bitrate_bits {
	u32 bits; /* layer bits for the best fit */
	u32 rate; /* actual numeric value for the layer best fit */
};
struct bitrate_approximation {
	u32                 target;   /* numeric value of the rate we want */
	struct bitrate_bits layer[2];
};
static struct bitrate_approximation mpeg_audio_bitrates[] = {
	/* target  layer[0].bits           layer[0].rate       layer[1].bits           layer[1].rate */
	{   0, { {                                0,   0, }, {                                0,   0, }, }, },
	{  32, { { BLACKBIRD_AUDIO_BITS_LAYER_1_32 ,  32, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_32 ,  32, }, }, },
	{  48, { { BLACKBIRD_AUDIO_BITS_LAYER_1_64 ,  64, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_48 ,  48, }, }, },
	{  56, { { BLACKBIRD_AUDIO_BITS_LAYER_1_64 ,  64, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_56 ,  56, }, }, },
	{  64, { { BLACKBIRD_AUDIO_BITS_LAYER_1_64 ,  64, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_64 ,  64, }, }, },
	{  80, { { BLACKBIRD_AUDIO_BITS_LAYER_1_96 ,  96, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_80 ,  80, }, }, },
	{  96, { { BLACKBIRD_AUDIO_BITS_LAYER_1_96 ,  96, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_96 ,  96, }, }, },
	{ 112, { { BLACKBIRD_AUDIO_BITS_LAYER_1_128, 128, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_112, 112, }, }, },
	{ 128, { { BLACKBIRD_AUDIO_BITS_LAYER_1_128, 128, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_128, 128, }, }, },
	{ 160, { { BLACKBIRD_AUDIO_BITS_LAYER_1_160, 160, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_160, 160, }, }, },
	{ 192, { { BLACKBIRD_AUDIO_BITS_LAYER_1_192, 192, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_192, 192, }, }, },
	{ 224, { { BLACKBIRD_AUDIO_BITS_LAYER_1_224, 224, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_224, 224, }, }, },
	{ 256, { { BLACKBIRD_AUDIO_BITS_LAYER_1_256, 256, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_256, 256, }, }, },
	{ 288, { { BLACKBIRD_AUDIO_BITS_LAYER_1_288, 288, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_320, 320, }, }, },
	{ 320, { { BLACKBIRD_AUDIO_BITS_LAYER_1_320, 320, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_320, 320, }, }, },
	{ 352, { { BLACKBIRD_AUDIO_BITS_LAYER_1_352, 352, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, },
	{ 384, { { BLACKBIRD_AUDIO_BITS_LAYER_1_384, 384, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, },
	{ 416, { { BLACKBIRD_AUDIO_BITS_LAYER_1_416, 416, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, },
	{ 448, { { BLACKBIRD_AUDIO_BITS_LAYER_1_448, 448, }, { BLACKBIRD_AUDIO_BITS_LAYER_2_384, 384, }, }, },
};
static const int BITRATES_SIZE = ARRAY_SIZE(mpeg_audio_bitrates);

static void blackbird_set_default_params(struct cx8802_dev *dev)
{
	struct v4l2_mpeg_compression *params = &dev->params;
	u32 au_params;

	/* assign stream type */
	if( params->st_type >= ARRAY_SIZE(mpeg_stream_types) )
		params->st_type = V4L2_MPEG_PS_2;
	if( params->st_type == V4L2_MPEG_SS_1 )
		params->vi_type = V4L2_MPEG_VI_1;
	else
		params->vi_type = V4L2_MPEG_VI_2;
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, mpeg_stream_types[params->st_type]);

	/* assign framerate */
	if( params->vi_frame_rate <= 25 )
	{
		params->vi_frame_rate = 25;
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_PAL_25);
	}
	else
	{
		params->vi_frame_rate = 30;
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_NTSC_30);
	}

	/* assign aspect ratio */
	if( params->vi_aspect_ratio >= ARRAY_SIZE(mpeg_stream_ratios) )
		params->vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3;
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_ASPECT_RATIO, 1, 0, mpeg_stream_ratios[params->vi_aspect_ratio]);

	/* assign gop properties */
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_STRUCTURE, 2, 0, params->vi_frames_per_gop, params->vi_bframes_count+1);

	/* assign gop closure */
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_CLOSURE, 1, 0, params->closed_gops);

	/* assign 3 2 pulldown */
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_3_2_PULLDOWN, 1, 0, params->pulldown);

	/* make sure the params are within bounds */
	if( params->st_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
		params->vi_bitrate.mode = V4L2_BITRATE_NONE;
	if( params->vi_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
		params->vi_bitrate.mode = V4L2_BITRATE_NONE;
	if( params->au_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
		params->au_bitrate.mode = V4L2_BITRATE_NONE;

	/* assign audio properties */
	/* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */
	au_params = BLACKBIRD_AUDIO_BITS_STEREO |
			/* BLACKBIRD_AUDIO_BITS_BOUND_4 | */
			BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE |
			BLACKBIRD_AUDIO_BITS_CRC_OFF |
			BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF |
			BLACKBIRD_AUDIO_BITS_COPY |
			0;
	if( params->au_sample_rate <= 32000 )
	{
		params->au_sample_rate = 32000;
		au_params |= BLACKBIRD_AUDIO_BITS_32000HZ;
	}
	else if( params->au_sample_rate <= 44100 )
	{
		params->au_sample_rate = 44100;
		au_params |= BLACKBIRD_AUDIO_BITS_44100HZ;
	}
	else
	{
		params->au_sample_rate = 48000;
		au_params |= BLACKBIRD_AUDIO_BITS_48000HZ;
	}
	if( params->au_type == V4L2_MPEG_AU_2_I )
	{
		au_params |= BLACKBIRD_AUDIO_BITS_LAYER_1;
	}
	else
	{
		/* TODO: try to handle the other formats more gracefully */
		params->au_type = V4L2_MPEG_AU_2_II;
		au_params |= BLACKBIRD_AUDIO_BITS_LAYER_2;
	}
	if( params->au_bitrate.mode )
	{
		int layer;

		if( params->au_bitrate.mode == V4L2_BITRATE_CBR )
			params->au_bitrate.max = params->vi_bitrate.target;
		else
			params->au_bitrate.target = params->vi_bitrate.max;

		layer = params->au_type;
		if( params->au_bitrate.target == 0 )
		{
			/* TODO: use the minimum possible bitrate instead of 0 ? */
			au_params |= 0;
		}
		else if( params->au_bitrate.target >=
			 mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate )
		{
			/* clamp the bitrate to the max supported by the standard */
			params->au_bitrate.target = mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate;
			params->au_bitrate.max = params->au_bitrate.target;
			au_params |= mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].bits;
		}
		else
		{
			/* round up to the nearest supported bitrate */
			int i;
			for(i = 1; i < BITRATES_SIZE; i++)
			{
				if( params->au_bitrate.target > mpeg_audio_bitrates[i-1].layer[layer].rate &&
				    params->au_bitrate.target <= mpeg_audio_bitrates[i].layer[layer].rate )
				{
					params->au_bitrate.target = mpeg_audio_bitrates[i].layer[layer].rate;
					params->au_bitrate.max = params->au_bitrate.target;
					au_params |= mpeg_audio_bitrates[i].layer[layer].bits;
					break;
				}
			}
		}
	}
	else
	{
		/* TODO: ??? */
		params->au_bitrate.target = params->au_bitrate.max = 0;
		au_params |= 0;
	}
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_AUDIO_PARAMS, 1, 0, au_params );

	/* assign bitrates */
	if( params->vi_bitrate.mode )
	{
		/* bitrate is set, let's figure out the cbr/vbr mess */
		if( params->vi_bitrate.max < params->vi_bitrate.target )
		{
			if( params->vi_bitrate.mode == V4L2_BITRATE_CBR )
				params->vi_bitrate.max = params->vi_bitrate.target;
			else
				params->vi_bitrate.target = params->vi_bitrate.max;
		}
	}
	else
	{
		if( params->st_bitrate.max < params->st_bitrate.target )
		{
			if( params->st_bitrate.mode == V4L2_BITRATE_VBR )
				params->st_bitrate.target = params->st_bitrate.max;
			else
				params->st_bitrate.max = params->st_bitrate.target;
		}
		/* calculate vi_bitrate = st_bitrate - au_bitrate */
		params->vi_bitrate.max = params->st_bitrate.max - params->au_bitrate.max;
		params->vi_bitrate.target = params->st_bitrate.target - params->au_bitrate.target;
	}
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_VIDEO_BITRATE, 4, 0,
				mpeg_video_bitrates[params->vi_bitrate.mode],
				params->vi_bitrate.target * 1000, /* kbps -> bps */
				params->vi_bitrate.max * 1000 / BLACKBIRD_PEAK_RATE_DIVISOR, /* peak/400 */
				BLACKBIRD_MUX_RATE_DEFAULT /*, 0x70*/); /* encoding buffer, ckennedy */

	/* TODO: implement the stream ID stuff:
		ts_pid_pmt, ts_pid_audio, ts_pid_video, ts_pid_pcr,
		ps_size, au_pesid, vi_pesid
	*/
}
#define CHECK_PARAM( name ) ( dev->params.name != params->name )
#define IF_PARAM( name ) if( CHECK_PARAM( name ) )
#define UPDATE_PARAM( name ) dev->params.name = params->name
void blackbird_set_params(struct cx8802_dev *dev, struct v4l2_mpeg_compression *params)
{
	u32 au_params;

	/* assign stream type */
	if( params->st_type >= ARRAY_SIZE(mpeg_stream_types) )
		params->st_type = V4L2_MPEG_PS_2;
	if( params->st_type == V4L2_MPEG_SS_1 )
		params->vi_type = V4L2_MPEG_VI_1;
	else
		params->vi_type = V4L2_MPEG_VI_2;
	if( CHECK_PARAM( st_type ) || CHECK_PARAM( vi_type ) )
	{
		UPDATE_PARAM( st_type );
		UPDATE_PARAM( vi_type );
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_STREAM_TYPE, 1, 0, mpeg_stream_types[params->st_type]);
	}

	/* assign framerate */
	if( params->vi_frame_rate <= 25 )
		params->vi_frame_rate = 25;
	else
		params->vi_frame_rate = 30;
	IF_PARAM( vi_frame_rate )
	{
		UPDATE_PARAM( vi_frame_rate );
		if( params->vi_frame_rate == 25 )
			blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_PAL_25);
		else
			blackbird_api_cmd(dev, BLACKBIRD_API_SET_FRAMERATE, 1, 0, BLACKBIRD_FRAMERATE_NTSC_30);
	}

	/* assign aspect ratio */
	if( params->vi_aspect_ratio >= ARRAY_SIZE(mpeg_stream_ratios) )
		params->vi_aspect_ratio = V4L2_MPEG_ASPECT_4_3;
	IF_PARAM( vi_aspect_ratio )
	{
		UPDATE_PARAM( vi_aspect_ratio );
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_ASPECT_RATIO, 1, 0, mpeg_stream_ratios[params->vi_aspect_ratio]);
	}

	/* assign gop properties */
	if( CHECK_PARAM( vi_frames_per_gop ) || CHECK_PARAM( vi_bframes_count ) )
	{
		UPDATE_PARAM( vi_frames_per_gop );
		UPDATE_PARAM( vi_bframes_count );
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_STRUCTURE, 2, 0, params->vi_frames_per_gop, params->vi_bframes_count+1);
	}

	/* assign gop closure */
	IF_PARAM( closed_gops )
	{
		UPDATE_PARAM( closed_gops );
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_GOP_CLOSURE, 1, 0, params->closed_gops);
	}

	/* assign 3 2 pulldown */
	IF_PARAM( pulldown )
	{
		UPDATE_PARAM( pulldown );
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_3_2_PULLDOWN, 1, 0, params->pulldown);
	}

	/* make sure the params are within bounds */
	if( params->st_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
		params->vi_bitrate.mode = V4L2_BITRATE_NONE;
	if( params->vi_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
		params->vi_bitrate.mode = V4L2_BITRATE_NONE;
	if( params->au_bitrate.mode >= ARRAY_SIZE(mpeg_video_bitrates) )
		params->au_bitrate.mode = V4L2_BITRATE_NONE;

	/* assign audio properties */
	/* note: it's not necessary to set the samplerate, the mpeg encoder seems to autodetect/adjust */
	au_params = BLACKBIRD_AUDIO_BITS_STEREO |
			/* BLACKBIRD_AUDIO_BITS_BOUND_4 | */
	BLACKBIRD_AUDIO_BITS_EMPHASIS_NONE |
		BLACKBIRD_AUDIO_BITS_CRC_OFF |
		BLACKBIRD_AUDIO_BITS_COPYRIGHT_OFF |
		BLACKBIRD_AUDIO_BITS_COPY |
		0;
	if( params->au_sample_rate < 32000 )
	{
		params->au_sample_rate = 32000;
		au_params |= BLACKBIRD_AUDIO_BITS_32000HZ;
	}
	else if( params->au_sample_rate < 44100 )
	{
		params->au_sample_rate = 44100;
		au_params |= BLACKBIRD_AUDIO_BITS_44100HZ;
	}
	else
	{
		params->au_sample_rate = 48000;
		au_params |= BLACKBIRD_AUDIO_BITS_48000HZ;
	}
	if( params->au_type == V4L2_MPEG_AU_2_I )
	{
		au_params |= BLACKBIRD_AUDIO_BITS_LAYER_1;
	}
	else
	{
		/* TODO: try to handle the other formats more gracefully */
		params->au_type = V4L2_MPEG_AU_2_II;
		au_params |= BLACKBIRD_AUDIO_BITS_LAYER_2;
	}
	if( params->au_bitrate.mode )
	{
		int layer;

		if( params->au_bitrate.mode == V4L2_BITRATE_CBR )
			params->au_bitrate.max = params->vi_bitrate.target;
		else
			params->au_bitrate.target = params->vi_bitrate.max;

		layer = params->au_type;
		if( params->au_bitrate.target == 0 )
		{
			/* TODO: use the minimum possible bitrate instead of 0 ? */
			au_params |= 0;
		}
		else if( params->au_bitrate.target >=
			 mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate )
		{
			/* clamp the bitrate to the max supported by the standard */
			params->au_bitrate.target = mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].rate;
			params->au_bitrate.max = params->au_bitrate.target;
			au_params |= mpeg_audio_bitrates[BITRATES_SIZE-1].layer[layer].bits;
		}
		else
		{
			/* round up to the nearest supported bitrate */
			int i;
			for(i = 1; i < BITRATES_SIZE; i++)
			{
				if( params->au_bitrate.target > mpeg_audio_bitrates[i-1].layer[layer].rate &&
				    params->au_bitrate.target <= mpeg_audio_bitrates[i].layer[layer].rate )
				{
					params->au_bitrate.target = mpeg_audio_bitrates[i].layer[layer].rate;
					params->au_bitrate.max = params->au_bitrate.target;
					au_params |= mpeg_audio_bitrates[i].layer[layer].bits;
					break;
				}
			}
		}
	}
	else
	{
		/* TODO: ??? */
		params->au_bitrate.target = params->au_bitrate.max = 0;
		au_params |= 0;
	}
	if( CHECK_PARAM( au_type ) || CHECK_PARAM( au_sample_rate )
		|| CHECK_PARAM( au_bitrate.mode ) || CHECK_PARAM( au_bitrate.max )
		|| CHECK_PARAM( au_bitrate.target )
	)
	{
		UPDATE_PARAM( au_type );
		UPDATE_PARAM( au_sample_rate );
		UPDATE_PARAM( au_bitrate );
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_AUDIO_PARAMS, 1, 0, au_params );
	}

	/* assign bitrates */
	if( params->vi_bitrate.mode )
	{
		/* bitrate is set, let's figure out the cbr/vbr mess */
		if( params->vi_bitrate.max < params->vi_bitrate.target )
		{
			if( params->vi_bitrate.mode == V4L2_BITRATE_CBR )
				params->vi_bitrate.max = params->vi_bitrate.target;
			else
				params->vi_bitrate.target = params->vi_bitrate.max;
		}
	}
	else
	{
		if( params->st_bitrate.max < params->st_bitrate.target )
		{
			if( params->st_bitrate.mode == V4L2_BITRATE_VBR )
				params->st_bitrate.target = params->st_bitrate.max;
			else
				params->st_bitrate.max = params->st_bitrate.target;
		}
		/* calculate vi_bitrate = st_bitrate - au_bitrate */
		params->vi_bitrate.max = params->st_bitrate.max - params->au_bitrate.max;
		params->vi_bitrate.target = params->st_bitrate.target - params->au_bitrate.target;
	}
	UPDATE_PARAM( st_bitrate );
	if( CHECK_PARAM( vi_bitrate.mode ) || CHECK_PARAM( vi_bitrate.max )
		|| CHECK_PARAM( vi_bitrate.target )
	)
	{
		UPDATE_PARAM( vi_bitrate );
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_VIDEO_BITRATE, 4, 0,
				mpeg_video_bitrates[params->vi_bitrate.mode],
				params->vi_bitrate.target * 1000, /* kbps -> bps */
				params->vi_bitrate.max * 1000 / BLACKBIRD_PEAK_RATE_DIVISOR, /* peak/400 */
				BLACKBIRD_MUX_RATE_DEFAULT /*, 0x70*/); /* encoding buffer, ckennedy */
	}

	/* TODO: implement the stream ID stuff:
		ts_pid_pmt, ts_pid_audio, ts_pid_video, ts_pid_pcr,
		ps_size, au_pesid, vi_pesid
	*/
	UPDATE_PARAM( ts_pid_pmt );
	UPDATE_PARAM( ts_pid_audio );
	UPDATE_PARAM( ts_pid_video );
	UPDATE_PARAM( ts_pid_pcr );
	UPDATE_PARAM( ps_size );
	UPDATE_PARAM( au_pesid );
	UPDATE_PARAM( vi_pesid );
}

static void blackbird_set_default_dnr_params(struct cx8802_dev *dev)
{
	/* assign dnr filter mode */
	if( dev->dnr_params.mode > BLACKBIRD_DNR_BITS_AUTO )
		dev->dnr_params.mode = BLACKBIRD_DNR_BITS_MANUAL;
	if( dev->dnr_params.type > BLACKBIRD_MEDIAN_FILTER_DIAGONAL )
		dev->dnr_params.type = BLACKBIRD_MEDIAN_FILTER_DISABLED;
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MODE, 2, 0,
				dev->dnr_params.mode,
				dev->dnr_params.type
			);

	/* assign dnr filter props*/
	if( dev->dnr_params.spatial > 15 )
		dev->dnr_params.spatial = 15;
	if( dev->dnr_params.temporal > 31 )
		dev->dnr_params.temporal = 31;
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_MANUAL_DNR, 2, 0,
				dev->dnr_params.spatial,
				dev->dnr_params.temporal
			);
}
#define CHECK_DNR_PARAM( name ) ( dev->dnr_params.name != dnr_params->name )
#define UPDATE_DNR_PARAM( name ) dev->dnr_params.name = dnr_params->name
void blackbird_set_dnr_params(struct cx8802_dev *dev, struct blackbird_dnr* dnr_params)
{
	/* assign dnr filter mode */
	/* clamp values */
	if( dnr_params->mode > BLACKBIRD_DNR_BITS_AUTO )
		dnr_params->mode = BLACKBIRD_DNR_BITS_MANUAL;
	if( dnr_params->type > BLACKBIRD_MEDIAN_FILTER_DIAGONAL )
		dnr_params->type = BLACKBIRD_MEDIAN_FILTER_DISABLED;
	/* check if the params actually changed */
	if( CHECK_DNR_PARAM( mode ) || CHECK_DNR_PARAM( type ) )
	{
		UPDATE_DNR_PARAM( mode );
		UPDATE_DNR_PARAM( type );
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MODE, 2, 0, dnr_params->mode, dnr_params->type);
	}

	/* assign dnr filter props*/
	if( dnr_params->spatial > 15 )
		dnr_params->spatial = 15;
	if( dnr_params->temporal > 31 )
		dnr_params->temporal = 31;
	if( CHECK_DNR_PARAM( spatial ) || CHECK_DNR_PARAM( temporal ) )
	{
		UPDATE_DNR_PARAM( spatial );
		UPDATE_DNR_PARAM( temporal );
		blackbird_api_cmd(dev, BLACKBIRD_API_SET_MANUAL_DNR, 2, 0, dnr_params->spatial, dnr_params->temporal);
	}
}

static void blackbird_codec_settings(struct cx8802_dev *dev)
{

	/* assign output port */
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_OUTPUT_PORT, 1, 0, BLACKBIRD_OUTPUT_PORT_STREAMING); /* Host */

	/* assign frame size */
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_RESOLUTION, 2, 0,
				dev->height, dev->width);

	/* assign coring levels (luma_h, luma_l, chroma_h, chroma_l) */
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_DNR_MEDIAN, 4, 0, 0, 255, 0, 255);

	/* assign spatial filter type: luma_t: horiz_only, chroma_t: horiz_only */
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_SPATIAL_FILTER, 2, 0,
				BLACKBIRD_SPATIAL_FILTER_LUMA_1D_HORIZ,
				BLACKBIRD_SPATIAL_FILTER_CHROMA_1D_HORIZ
			);

	/* assign frame drop rate */
	/* blackbird_api_cmd(dev, IVTV_API_ASSIGN_FRAME_DROP_RATE, 1, 0, 0); */

	blackbird_set_default_params(dev);
	blackbird_set_default_dnr_params(dev);
}

static int blackbird_initialize_codec(struct cx8802_dev *dev)
{
	struct cx88_core *core = dev->core;
	int version;
	int retval;

	dprintk(1,"Initialize codec\n");
	retval = blackbird_api_cmd(dev, BLACKBIRD_API_PING, 0, 0); /* ping */
	if (retval < 0) {
		/* ping was not successful, reset and upload firmware */
		cx_write(MO_SRST_IO, 0); /* SYS_RSTO=0 */
		msleep(1);
		cx_write(MO_SRST_IO, 1); /* SYS_RSTO=1 */
		msleep(1);
		retval = blackbird_load_firmware(dev);
		if (retval < 0)
			return retval;

		dev->mailbox = blackbird_find_mailbox(dev);
		if (dev->mailbox < 0)
			return -1;

		retval = blackbird_api_cmd(dev, BLACKBIRD_API_PING, 0, 0); /* ping */
		if (retval < 0) {
			dprintk(0, "ERROR: Firmware ping failed!\n");
			return -1;
		}

		retval = blackbird_api_cmd(dev, BLACKBIRD_API_GET_VERSION, 0, 1, &version);
		if (retval < 0) {
			dprintk(0, "ERROR: Firmware get encoder version failed!\n");
			return -1;
		}
		dprintk(0, "Firmware version is 0x%08x\n", version);
	}
	msleep(1);

	cx_write(MO_PINMUX_IO, 0x88); /* 656-8bit IO and enable MPEG parallel IO */
	cx_clear(MO_INPUT_FORMAT, 0x100); /* chroma subcarrier lock to normal? */
	cx_write(MO_VBOS_CONTROL, 0x84A00); /* no 656 mode, 8-bit pixels, disable VBI */
	cx_clear(MO_OUTPUT_FORMAT, 0x0008); /* Normal Y-limits to let the mpeg encoder sync */

	blackbird_codec_settings(dev);
	msleep(1);

	/* blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xef, 0xef);
	   blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0xf0, 0xf0);
	   blackbird_api_cmd(dev, IVTV_API_ASSIGN_NUM_VSYNC_LINES, 4, 0, 0x180, 0x180); */
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_CAPTURE_LINES, 2, 0,
			BLACKBIRD_FIELD1_SAA7115,
			BLACKBIRD_FIELD1_SAA7115
		);

	/* blackbird_api_cmd(dev, IVTV_API_ASSIGN_PLACEHOLDER, 12, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); */
	blackbird_api_cmd(dev, BLACKBIRD_API_SET_CUSTOM_DATA, 12, 0,
			BLACKBIRD_CUSTOM_EXTENSION_USR_DATA,
			0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);

	/* initialize the video input */
	blackbird_api_cmd(dev, BLACKBIRD_API_INIT_VIDEO_INPUT, 0, 0);

	msleep(1);

	blackbird_api_cmd(dev, BLACKBIRD_API_MUTE_VIDEO, 1, 0, BLACKBIRD_UNMUTE);
	msleep(1);
	blackbird_api_cmd(dev, BLACKBIRD_API_MUTE_AUDIO, 1, 0, BLACKBIRD_UNMUTE);
	msleep(1);

	/* start capturing to the host interface */
	/* blackbird_api_cmd(dev, BLACKBIRD_API_BEGIN_CAPTURE, 2, 0, 0, 0x13); */
	blackbird_api_cmd(dev, BLACKBIRD_API_BEGIN_CAPTURE, 2, 0,
			BLACKBIRD_MPEG_CAPTURE,
			BLACKBIRD_RAW_BITS_NONE
		);
	msleep(10);

	blackbird_api_cmd(dev, BLACKBIRD_API_REFRESH_INPUT, 0,0);
	return 0;
}

/* ------------------------------------------------------------------ */

static int bb_buf_setup(struct videobuf_queue *q,
			unsigned int *count, unsigned int *size)
{
	struct cx8802_fh *fh = q->priv_data;

	fh->dev->ts_packet_size  = 188 * 4; /* was: 512 */
	fh->dev->ts_packet_count = mpegbufs; /* was: 100 */

	*size = fh->dev->ts_packet_size * fh->dev->ts_packet_count;
	*count = fh->dev->ts_packet_count;
	return 0;
}

static int
bb_buf_prepare(struct videobuf_queue *q, struct videobuf_buffer *vb,
	       enum v4l2_field field)
{
	struct cx8802_fh *fh = q->priv_data;
	return cx8802_buf_prepare(fh->dev, (struct cx88_buffer*)vb, field);
}

static void
bb_buf_queue(struct videobuf_queue *q, struct videobuf_buffer *vb)
{
	struct cx8802_fh *fh = q->priv_data;
	cx8802_buf_queue(fh->dev, (struct cx88_buffer*)vb);
}

static void
bb_buf_release(struct videobuf_queue *q, struct videobuf_buffer *vb)
{
	struct cx8802_fh *fh = q->priv_data;
	cx88_free_buffer(fh->dev->pci, (struct cx88_buffer*)vb);
}

static struct videobuf_queue_ops blackbird_qops = {
	.buf_setup    = bb_buf_setup,
	.buf_prepare  = bb_buf_prepare,
	.buf_queue    = bb_buf_queue,
	.buf_release  = bb_buf_release,
};

/* ------------------------------------------------------------------ */

static int mpeg_do_ioctl(struct inode *inode, struct file *file,
			 unsigned int cmd, void *arg)
{
	struct cx8802_fh  *fh  = file->private_data;
	struct cx8802_dev *dev = fh->dev;
	struct cx88_core  *core = dev->core;

	if (debug > 1)
		cx88_print_ioctl(core->name,cmd);

	switch (cmd) {

	/* --- capabilities ------------------------------------------ */
	case VIDIOC_QUERYCAP:
	{
		struct v4l2_capability *cap = arg;

		memset(cap,0,sizeof(*cap));
		strcpy(cap->driver, "cx88_blackbird");
		strlcpy(cap->card, cx88_boards[core->board].name,sizeof(cap->card));
		sprintf(cap->bus_info,"PCI:%s",pci_name(dev->pci));
		cap->version = CX88_VERSION_CODE;
		cap->capabilities =
			V4L2_CAP_VIDEO_CAPTURE |
			V4L2_CAP_READWRITE     |
			V4L2_CAP_STREAMING     |
			0;
		if (UNSET != core->tuner_type)
			cap->capabilities |= V4L2_CAP_TUNER;

		return 0;
	}

	/* --- capture ioctls ---------------------------------------- */
	case VIDIOC_ENUM_FMT:
	{
		struct v4l2_fmtdesc *f = arg;
		int index;

		index = f->index;
		if (index != 0)
			return -EINVAL;

		memset(f,0,sizeof(*f));
		f->index = index;
		strlcpy(f->description, "MPEG", sizeof(f->description));
		f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
		f->pixelformat = V4L2_PIX_FMT_MPEG;
		return 0;
	}
	case VIDIOC_G_FMT:
	{
		struct v4l2_format *f = arg;

		memset(f,0,sizeof(*f));
		f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
		f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
		f->fmt.pix.bytesperline = 0;
		f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */
		f->fmt.pix.colorspace   = 0;
		f->fmt.pix.width        = dev->width;
		f->fmt.pix.height       = dev->height;
		f->fmt.pix.field        = fh->mpegq.field;
		dprintk(0,"VIDIOC_G_FMT: w: %d, h: %d, f: %d\n",
			dev->width, dev->height, fh->mpegq.field );
		return 0;
	}
	case VIDIOC_TRY_FMT:
	{
		struct v4l2_format *f = arg;

		f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
		f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
		f->fmt.pix.bytesperline = 0;
		f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
		f->fmt.pix.colorspace   = 0;
		dprintk(0,"VIDIOC_TRY_FMT: w: %d, h: %d, f: %d\n",
			dev->width, dev->height, fh->mpegq.field );
		return 0;
	}
	case VIDIOC_S_FMT:
	{
		struct v4l2_format *f = arg;

		f->type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
		f->fmt.pix.pixelformat  = V4L2_PIX_FMT_MPEG;
		f->fmt.pix.bytesperline = 0;
		f->fmt.pix.sizeimage    = dev->ts_packet_size * dev->ts_packet_count; /* 188 * 4 * 1024; */;
		f->fmt.pix.colorspace   = 0;
		dprintk(0,"VIDIOC_S_FMT: w: %d, h: %d, f: %d\n",
			f->fmt.pix.width, f->fmt.pix.height, f->fmt.pix.field );
		return 0;
	}

	/* --- streaming capture ------------------------------------- */
	case VIDIOC_REQBUFS:
		return videobuf_reqbufs(&fh->mpegq, arg);

	case VIDIOC_QUERYBUF:
		return videobuf_querybuf(&fh->mpegq, arg);

	case VIDIOC_QBUF:
		return videobuf_qbuf(&fh->mpegq, arg);

	case VIDIOC_DQBUF:
		return videobuf_dqbuf(&fh->mpegq, arg,
				      file->f_flags & O_NONBLOCK);

	case VIDIOC_STREAMON:
		return videobuf_streamon(&fh->mpegq);

	case VIDIOC_STREAMOFF:
		return videobuf_streamoff(&fh->mpegq);

	/* --- mpeg compression -------------------------------------- */
	case VIDIOC_G_MPEGCOMP:
	{
		struct v4l2_mpeg_compression *f = arg;

		memcpy(f,&dev->params,sizeof(*f));
		return 0;
	}
	case VIDIOC_S_MPEGCOMP:
	{
		struct v4l2_mpeg_compression *f = arg;

		blackbird_set_params(dev, f);
		return 0;
	}

	default:
		return cx88_do_ioctl( inode, file, 0, dev->core, cmd, arg, cx88_ioctl_hook );
	}
	return 0;
}

int (*cx88_ioctl_hook)(struct inode *inode, struct file *file,
			unsigned int cmd, void *arg);
unsigned int (*cx88_ioctl_translator)(unsigned int cmd);

static unsigned int mpeg_translate_ioctl(unsigned int cmd)
{
	return cmd;
}

static int mpeg_ioctl(struct inode *inode, struct file *file,
			unsigned int cmd, unsigned long arg)
{
	cmd = cx88_ioctl_translator( cmd );
	return video_usercopy(inode, file, cmd, arg, cx88_ioctl_hook);
}

static int mpeg_open(struct inode *inode, struct file *file)
{
	int minor = iminor(inode);
	struct cx8802_dev *h,*dev = NULL;
	struct cx8802_fh *fh;
	struct list_head *list;

	list_for_each(list,&cx8802_devlist) {
		h = list_entry(list, struct cx8802_dev, devlist);
		if (h->mpeg_dev->minor == minor)
			dev = h;
	}
	if (NULL == dev)
		return -ENODEV;

	if (blackbird_initialize_codec(dev) < 0)
		return -EINVAL;
	dprintk(1,"open minor=%d\n",minor);

	/* allocate + initialize per filehandle data */
	fh = kmalloc(sizeof(*fh),GFP_KERNEL);
	if (NULL == fh)
		return -ENOMEM;
	memset(fh,0,sizeof(*fh));
	file->private_data = fh;
	fh->dev      = dev;

	videobuf_queue_init(&fh->mpegq, &blackbird_qops,
			    dev->pci, &dev->slock,
			    V4L2_BUF_TYPE_VIDEO_CAPTURE,
			    V4L2_FIELD_INTERLACED,
			    sizeof(struct cx88_buffer),
			    fh);

	/* FIXME: locking against other video device */
	cx88_set_scale(dev->core, dev->width, dev->height,
			fh->mpegq.field);

	return 0;
}

static int mpeg_release(struct inode *inode, struct file *file)
{
	struct cx8802_fh  *fh  = file->private_data;

	/* blackbird_api_cmd(fh->dev, BLACKBIRD_API_END_CAPTURE, 3, 0, BLACKBIRD_END_NOW, 0, 0x13); */
	blackbird_api_cmd(fh->dev, BLACKBIRD_API_END_CAPTURE, 3, 0,
			BLACKBIRD_END_NOW,
			BLACKBIRD_MPEG_CAPTURE,
			BLACKBIRD_RAW_BITS_NONE
		);

	/* stop mpeg capture */
	if (fh->mpegq.streaming)
		videobuf_streamoff(&fh->mpegq);
	if (fh->mpegq.reading)
		videobuf_read_stop(&fh->mpegq);

	videobuf_mmap_free(&fh->mpegq);
	file->private_data = NULL;
	kfree(fh);
	return 0;
}

static ssize_t
mpeg_read(struct file *file, char __user *data, size_t count, loff_t *ppos)
{
	struct cx8802_fh *fh = file->private_data;

	return videobuf_read_stream(&fh->mpegq, data, count, ppos, 0,
				    file->f_flags & O_NONBLOCK);
}

static unsigned int
mpeg_poll(struct file *file, struct poll_table_struct *wait)
{
	struct cx8802_fh *fh = file->private_data;

	return videobuf_poll_stream(file, &fh->mpegq, wait);
}

static int
mpeg_mmap(struct file *file, struct vm_area_struct * vma)
{
	struct cx8802_fh *fh = file->private_data;

	return videobuf_mmap_mapper(&fh->mpegq, vma);
}

static struct file_operations mpeg_fops =
{
	.owner	       = THIS_MODULE,
	.open	       = mpeg_open,
	.release       = mpeg_release,
	.read	       = mpeg_read,
	.poll          = mpeg_poll,
	.mmap	       = mpeg_mmap,
	.ioctl	       = mpeg_ioctl,
	.llseek        = no_llseek,
};

static struct video_device cx8802_mpeg_template =
{
	.name          = "cx8802",
	.type          = VID_TYPE_CAPTURE|VID_TYPE_TUNER|VID_TYPE_SCALES|VID_TYPE_MPEG_ENCODER,
	.hardware      = 0,
	.fops          = &mpeg_fops,
	.minor         = -1,
};

/* ------------------------------------------------------------------ */

static void blackbird_unregister_video(struct cx8802_dev *dev)
{
	if (dev->mpeg_dev) {
		if (-1 != dev->mpeg_dev->minor)
			video_unregister_device(dev->mpeg_dev);
		else
			video_device_release(dev->mpeg_dev);
		dev->mpeg_dev = NULL;
	}
}

static int blackbird_register_video(struct cx8802_dev *dev)
{
	int err;

	dev->mpeg_dev = cx88_vdev_init(dev->core,dev->pci,
				       &cx8802_mpeg_template,"mpeg");
	err = video_register_device(dev->mpeg_dev,VFL_TYPE_GRABBER, -1);
	if (err < 0) {
		printk(KERN_INFO "%s/2: can't register mpeg device\n",
		       dev->core->name);
		return err;
	}
	printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
	       dev->core->name,dev->mpeg_dev->minor & 0x1f);
	return 0;
}

/* ----------------------------------------------------------- */

static int __devinit blackbird_probe(struct pci_dev *pci_dev,
				     const struct pci_device_id *pci_id)
{
	struct cx8802_dev *dev;
	struct cx88_core  *core;
	int err;

	/* general setup */
	core = cx88_core_get(pci_dev);
	if (NULL == core)
		return -EINVAL;

	err = -ENODEV;
	if (!cx88_boards[core->board].blackbird)
		goto fail_core;

	err = -ENOMEM;
	dev = kmalloc(sizeof(*dev),GFP_KERNEL);
	if (NULL == dev)
		goto fail_core;
	memset(dev,0,sizeof(*dev));
	dev->pci = pci_dev;
	dev->core = core;
	dev->width = 720;
	dev->height = 576;
	memcpy(&dev->params,&default_mpeg_params,sizeof(default_mpeg_params));
	memcpy(&dev->dnr_params,&default_dnr_params,sizeof(default_dnr_params));

	err = cx8802_init_common(dev);
	if (0 != err)
		goto fail_free;

	/* blackbird stuff */
	printk("%s/2: cx23416 based mpeg encoder (blackbird reference design)\n",
	       core->name);
	host_setup(dev->core);

	list_add_tail(&dev->devlist,&cx8802_devlist);
	blackbird_register_video(dev);

	/* initial device configuration: needed ? */

	return 0;

 fail_free:
	kfree(dev);
 fail_core:
	cx88_core_put(core,pci_dev);
	return err;
}

static void __devexit blackbird_remove(struct pci_dev *pci_dev)
{
	struct cx8802_dev *dev = pci_get_drvdata(pci_dev);

	/* blackbird */
	blackbird_unregister_video(dev);
	list_del(&dev->devlist);

	/* common */
	cx8802_fini_common(dev);
	cx88_core_put(dev->core,dev->pci);
	kfree(dev);
}

static struct pci_device_id cx8802_pci_tbl[] = {
	{
		.vendor       = 0x14f1,
		.device       = 0x8802,
		.subvendor    = PCI_ANY_ID,
		.subdevice    = PCI_ANY_ID,
	},{
		/* --- end of list --- */
	}
};
MODULE_DEVICE_TABLE(pci, cx8802_pci_tbl);

static struct pci_driver blackbird_pci_driver = {
	.name     = "cx88-blackbird",
	.id_table = cx8802_pci_tbl,
	.probe    = blackbird_probe,
	.remove   = __devexit_p(blackbird_remove),
	.suspend  = cx8802_suspend_common,
	.resume   = cx8802_resume_common,
};

static int blackbird_init(void)
{
	printk(KERN_INFO "cx2388x blackbird driver version %d.%d.%d loaded\n",
	       (CX88_VERSION_CODE >> 16) & 0xff,
	       (CX88_VERSION_CODE >>  8) & 0xff,
	       CX88_VERSION_CODE & 0xff);
#ifdef SNAPSHOT
	printk(KERN_INFO "cx2388x: snapshot date %04d-%02d-%02d\n",
	       SNAPSHOT/10000, (SNAPSHOT/100)%100, SNAPSHOT%100);
#endif
	cx88_ioctl_hook = mpeg_do_ioctl;
	cx88_ioctl_translator = mpeg_translate_ioctl;
	return pci_register_driver(&blackbird_pci_driver);
}

static void blackbird_fini(void)
{
	pci_unregister_driver(&blackbird_pci_driver);
}

module_init(blackbird_init);
module_exit(blackbird_fini);

EXPORT_SYMBOL(cx88_ioctl_hook);
EXPORT_SYMBOL(cx88_ioctl_translator);
EXPORT_SYMBOL(blackbird_set_params);
EXPORT_SYMBOL(blackbird_set_dnr_params);

/* ----------------------------------------------------------- */
/*
 * Local variables:
 * c-basic-offset: 8
 * End:
 * kate: eol "unix"; indent-width 3; remove-trailing-space on; replace-trailing-space-save on; tab-width 8; replace-tabs off; space-indent off; mixed-indent off
 */