summaryrefslogtreecommitdiff
path: root/include/uapi/linux/dvb/frontend.h
blob: 861cacd5711fe2dd8f3a63e1e9b44cd4a2f88edb (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
/*
 * frontend.h
 *
 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
 *		    Ralph  Metzler <ralph@convergence.de>
 *		    Holger Waechtler <holger@convergence.de>
 *		    Andre Draszik <ad@convergence.de>
 *		    for convergence integrated media GmbH
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public License
 * as published by the Free Software Foundation; either version 2.1
 * 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 Lesser 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.
 *
 */

#ifndef _DVBFRONTEND_H_
#define _DVBFRONTEND_H_

#include <linux/types.h>

/**
 * enum fe_caps - Frontend capabilities
 *
 * @FE_IS_STUPID:			There's something wrong at the
 *					frontend, and it can't report its
 *					capabilities.
 * @FE_CAN_INVERSION_AUTO:		Can auto-detect frequency spectral
 *					band inversion
 * @FE_CAN_FEC_1_2:			Supports FEC 1/2
 * @FE_CAN_FEC_2_3:			Supports FEC 2/3
 * @FE_CAN_FEC_3_4:			Supports FEC 3/4
 * @FE_CAN_FEC_4_5:			Supports FEC 4/5
 * @FE_CAN_FEC_5_6:			Supports FEC 5/6
 * @FE_CAN_FEC_6_7:			Supports FEC 6/7
 * @FE_CAN_FEC_7_8:			Supports FEC 7/8
 * @FE_CAN_FEC_8_9:			Supports FEC 8/9
 * @FE_CAN_FEC_AUTO:			Can auto-detect FEC
 * @FE_CAN_QPSK:			Supports QPSK modulation
 * @FE_CAN_QAM_16:			Supports 16-QAM modulation
 * @FE_CAN_QAM_32:			Supports 32-QAM modulation
 * @FE_CAN_QAM_64:			Supports 64-QAM modulation
 * @FE_CAN_QAM_128:			Supports 128-QAM modulation
 * @FE_CAN_QAM_256:			Supports 256-QAM modulation
 * @FE_CAN_QAM_AUTO:			Can auto-detect QAM modulation
 * @FE_CAN_TRANSMISSION_MODE_AUTO:	Can auto-detect transmission mode
 * @FE_CAN_BANDWIDTH_AUTO:		Can auto-detect bandwidth
 * @FE_CAN_GUARD_INTERVAL_AUTO:		Can auto-detect guard interval
 * @FE_CAN_HIERARCHY_AUTO:		Can auto-detect hierarchy
 * @FE_CAN_8VSB:			Supports 8-VSB modulation
 * @FE_CAN_16VSB:			Supporta 16-VSB modulation
 * @FE_HAS_EXTENDED_CAPS:		Unused
 * @FE_CAN_MULTISTREAM:			Supports multistream filtering
 * @FE_CAN_TURBO_FEC:			Supports "turbo FEC" modulation
 * @FE_CAN_2G_MODULATION:		Supports "2nd generation" modulation,
 *					e. g. DVB-S2, DVB-T2, DVB-C2
 * @FE_NEEDS_BENDING:			Unused
 * @FE_CAN_RECOVER:			Can recover from a cable unplug
 *					automatically
 * @FE_CAN_MUTE_TS:			Can stop spurious TS data output
 */
enum fe_caps {
	FE_IS_STUPID			= 0,
	FE_CAN_INVERSION_AUTO		= 0x1,
	FE_CAN_FEC_1_2			= 0x2,
	FE_CAN_FEC_2_3			= 0x4,
	FE_CAN_FEC_3_4			= 0x8,
	FE_CAN_FEC_4_5			= 0x10,
	FE_CAN_FEC_5_6			= 0x20,
	FE_CAN_FEC_6_7			= 0x40,
	FE_CAN_FEC_7_8			= 0x80,
	FE_CAN_FEC_8_9			= 0x100,
	FE_CAN_FEC_AUTO			= 0x200,
	FE_CAN_QPSK			= 0x400,
	FE_CAN_QAM_16			= 0x800,
	FE_CAN_QAM_32			= 0x1000,
	FE_CAN_QAM_64			= 0x2000,
	FE_CAN_QAM_128			= 0x4000,
	FE_CAN_QAM_256			= 0x8000,
	FE_CAN_QAM_AUTO			= 0x10000,
	FE_CAN_TRANSMISSION_MODE_AUTO	= 0x20000,
	FE_CAN_BANDWIDTH_AUTO		= 0x40000,
	FE_CAN_GUARD_INTERVAL_AUTO	= 0x80000,
	FE_CAN_HIERARCHY_AUTO		= 0x100000,
	FE_CAN_8VSB			= 0x200000,
	FE_CAN_16VSB			= 0x400000,
	FE_HAS_EXTENDED_CAPS		= 0x800000,
	FE_CAN_MULTISTREAM		= 0x4000000,
	FE_CAN_TURBO_FEC		= 0x8000000,
	FE_CAN_2G_MODULATION		= 0x10000000,
	FE_NEEDS_BENDING		= 0x20000000,
	FE_CAN_RECOVER			= 0x40000000,
	FE_CAN_MUTE_TS			= 0x80000000
};

/*
 * DEPRECATED: Should be kept just due to backward compatibility.
 */
enum fe_type {
	FE_QPSK,
	FE_QAM,
	FE_OFDM,
	FE_ATSC
};

/**
 * struct dvb_frontend_info - Frontend properties and capabilities
 *
 * @name:			Name of the frontend
 * @type:			**DEPRECATED**.
 *				Should not be used on modern programs,
 *				as a frontend may have more than one type.
 *				In order to get the support types of a given
 *				frontend, use :c:type:`DTV_ENUM_DELSYS`
 *				instead.
 * @frequency_min:		Minimal frequency supported by the frontend.
 * @frequency_max:		Minimal frequency supported by the frontend.
 * @frequency_stepsize:		All frequencies are multiple of this value.
 * @frequency_tolerance:	Frequency tolerance.
 * @symbol_rate_min:		Minimal symbol rate, in bauds
 *				(for Cable/Satellite systems).
 * @symbol_rate_max:		Maximal symbol rate, in bauds
 *				(for Cable/Satellite systems).
 * @symbol_rate_tolerance:	Maximal symbol rate tolerance, in ppm
 *				(for Cable/Satellite systems).
 * @notifier_delay:		**DEPRECATED**. Not used by any driver.
 * @caps:			Capabilities supported by the frontend,
 *				as specified in &enum fe_caps.
 *
 * .. note:
 *
 *    #. The frequencies are specified in Hz for Terrestrial and Cable
 *       systems.
 *    #. The frequencies are specified in kHz for Satellite systems.
 */
struct dvb_frontend_info {
	char       name[128];
	enum fe_type type;	/* DEPRECATED. Use DTV_ENUM_DELSYS instead */
	__u32      frequency_min;
	__u32      frequency_max;
	__u32      frequency_stepsize;
	__u32      frequency_tolerance;
	__u32      symbol_rate_min;
	__u32      symbol_rate_max;
	__u32      symbol_rate_tolerance;
	__u32      notifier_delay;		/* DEPRECATED */
	enum fe_caps caps;
};

/**
 * struct dvb_diseqc_master_cmd - DiSEqC master command
 *
 * @msg:
 *	DiSEqC message to be sent. It contains a 3 bytes header with:
 *	framing + address + command, and an optional argument
 *	of up to 3 bytes of data.
 * @msg_len:
 *	Length of the DiSEqC message. Valid values are 3 to 6.
 *
 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
 * the possible messages that can be used.
 */
struct dvb_diseqc_master_cmd {
	__u8 msg[6];
	__u8 msg_len;
};

/**
 * struct dvb_diseqc_slave_reply - DiSEqC received data
 *
 * @msg:
 *	DiSEqC message buffer to store a message received via DiSEqC.
 *	It contains one byte header with: framing and
 *	an optional argument of up to 3 bytes of data.
 * @msg_len:
 *	Length of the DiSEqC message. Valid values are 0 to 4,
 *	where 0 means no message.
 * @timeout:
 *	Return from ioctl after timeout ms with errorcode when
 *	no message was received.
 *
 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
 * the possible messages that can be used.
 */
struct dvb_diseqc_slave_reply {
	__u8 msg[4];
	__u8 msg_len;
	int  timeout;
};

/**
 * enum fe_sec_voltage - DC Voltage used to feed the LNBf
 *
 * @SEC_VOLTAGE_13:	Output 13V to the LNBf
 * @SEC_VOLTAGE_18:	Output 18V to the LNBf
 * @SEC_VOLTAGE_OFF:	Don't feed the LNBf with a DC voltage
 */
enum fe_sec_voltage {
	SEC_VOLTAGE_13,
	SEC_VOLTAGE_18,
	SEC_VOLTAGE_OFF
};

/**
 * enum fe_sec_tone_mode - Type of tone to be send to the LNBf.
 * @SEC_TONE_ON:	Sends a 22kHz tone burst to the antenna.
 * @SEC_TONE_OFF:	Don't send a 22kHz tone to the antenna (except
 *			if the ``FE_DISEQC_*`` ioctls are called).
 */
enum fe_sec_tone_mode {
	SEC_TONE_ON,
	SEC_TONE_OFF
};

/**
 * enum fe_sec_mini_cmd - Type of mini burst to be sent
 *
 * @SEC_MINI_A:		Sends a mini-DiSEqC 22kHz '0' Tone Burst to select
 *			satellite-A
 * @SEC_MINI_B:		Sends a mini-DiSEqC 22kHz '1' Data Burst to select
 *			satellite-B
 */
enum fe_sec_mini_cmd {
	SEC_MINI_A,
	SEC_MINI_B
};

/**
 * enum fe_status - Enumerates the possible frontend status.
 * @FE_NONE:		The frontend doesn't have any kind of lock.
 *			That's the initial frontend status
 * @FE_HAS_SIGNAL:	Has found something above the noise level.
 * @FE_HAS_CARRIER:	Has found a signal.
 * @FE_HAS_VITERBI:	FEC inner coding (Viterbi, LDPC or other inner code).
 *			is stable.
 * @FE_HAS_SYNC:	Synchronization bytes was found.
 * @FE_HAS_LOCK:	Digital TV were locked and everything is working.
 * @FE_TIMEDOUT:	Fo lock within the last about 2 seconds.
 * @FE_REINIT:		Frontend was reinitialized, application is recommended
 *			to reset DiSEqC, tone and parameters.
 */
enum fe_status {
	FE_NONE			= 0x00,
	FE_HAS_SIGNAL		= 0x01,
	FE_HAS_CARRIER		= 0x02,
	FE_HAS_VITERBI		= 0x04,
	FE_HAS_SYNC		= 0x08,
	FE_HAS_LOCK		= 0x10,
	FE_TIMEDOUT		= 0x20,
	FE_REINIT		= 0x40,
};

/**
 * enum fe_spectral_inversion - Type of inversion band
 *
 * @INVERSION_OFF:	Don't do spectral band inversion.
 * @INVERSION_ON:	Do spectral band inversion.
 * @INVERSION_AUTO:	Autodetect spectral band inversion.
 *
 * This parameter indicates if spectral inversion should be presumed or
 * not. In the automatic setting (``INVERSION_AUTO``) the hardware will try
 * to figure out the correct setting by itself. If the hardware doesn't
 * support, the %dvb_frontend will try to lock at the carrier first with
 * inversion off. If it fails, it will try to enable inversion.
 */
enum fe_spectral_inversion {
	INVERSION_OFF,
	INVERSION_ON,
	INVERSION_AUTO
};

/**
 * enum fe_code_rate - Type of Forward Error Correction (FEC)
 *
 *
 * @FEC_NONE: No Forward Error Correction Code
 * @FEC_1_2:  Forward Error Correction Code 1/2
 * @FEC_2_3:  Forward Error Correction Code 2/3
 * @FEC_3_4:  Forward Error Correction Code 3/4
 * @FEC_4_5:  Forward Error Correction Code 4/5
 * @FEC_5_6:  Forward Error Correction Code 5/6
 * @FEC_6_7:  Forward Error Correction Code 6/7
 * @FEC_7_8:  Forward Error Correction Code 7/8
 * @FEC_8_9:  Forward Error Correction Code 8/9
 * @FEC_AUTO: Autodetect Error Correction Code
 * @FEC_3_5:  Forward Error Correction Code 3/5
 * @FEC_9_10: Forward Error Correction Code 9/10
 * @FEC_2_5:  Forward Error Correction Code 2/5
 *
 * Please note that not all FEC types are supported by a given standard.
 */
enum fe_code_rate {
	FEC_NONE = 0,
	FEC_1_2,
	FEC_2_3,
	FEC_3_4,
	FEC_4_5,
	FEC_5_6,
	FEC_6_7,
	FEC_7_8,
	FEC_8_9,
	FEC_AUTO,
	FEC_3_5,
	FEC_9_10,
	FEC_2_5,
};

/**
 * enum fe_modulation - Type of modulation/constellation
 * @QPSK:	QPSK modulation
 * @QAM_16:	16-QAM modulation
 * @QAM_32:	32-QAM modulation
 * @QAM_64:	64-QAM modulation
 * @QAM_128:	128-QAM modulation
 * @QAM_256:	256-QAM modulation
 * @QAM_AUTO:	Autodetect QAM modulation
 * @VSB_8:	8-VSB modulation
 * @VSB_16:	16-VSB modulation
 * @PSK_8:	8-PSK modulation
 * @APSK_16:	16-APSK modulation
 * @APSK_32:	32-APSK modulation
 * @DQPSK:	DQPSK modulation
 * @QAM_4_NR:	4-QAM-NR modulation
 *
 * Please note that not all modulations are supported by a given standard.
 *
 */
enum fe_modulation {
	QPSK,
	QAM_16,
	QAM_32,
	QAM_64,
	QAM_128,
	QAM_256,
	QAM_AUTO,
	VSB_8,
	VSB_16,
	PSK_8,
	APSK_16,
	APSK_32,
	DQPSK,
	QAM_4_NR,
};

/**
 * enum fe_transmit_mode - Transmission mode
 *
 * @TRANSMISSION_MODE_AUTO:
 *	Autodetect transmission mode. The hardware will try to find the
 *	correct FFT-size (if capable) to fill in the missing parameters.
 * @TRANSMISSION_MODE_1K:
 *	Transmission mode 1K
 * @TRANSMISSION_MODE_2K:
 *	Transmission mode 2K
 * @TRANSMISSION_MODE_8K:
 *	Transmission mode 8K
 * @TRANSMISSION_MODE_4K:
 *	Transmission mode 4K
 * @TRANSMISSION_MODE_16K:
 *	Transmission mode 16K
 * @TRANSMISSION_MODE_32K:
 *	Transmission mode 32K
 * @TRANSMISSION_MODE_C1:
 *	Single Carrier (C=1) transmission mode (DTMB only)
 * @TRANSMISSION_MODE_C3780:
 *	Multi Carrier (C=3780) transmission mode (DTMB only)
 *
 * Please note that not all transmission modes are supported by a given
 * standard.
 */
enum fe_transmit_mode {
	TRANSMISSION_MODE_2K,
	TRANSMISSION_MODE_8K,
	TRANSMISSION_MODE_AUTO,
	TRANSMISSION_MODE_4K,
	TRANSMISSION_MODE_1K,
	TRANSMISSION_MODE_16K,
	TRANSMISSION_MODE_32K,
	TRANSMISSION_MODE_C1,
	TRANSMISSION_MODE_C3780,
};

/**
 * enum fe_guard_interval - Guard interval
 *
 * @GUARD_INTERVAL_AUTO:	Autodetect the guard interval
 * @GUARD_INTERVAL_1_128:	Guard interval 1/128
 * @GUARD_INTERVAL_1_32:	Guard interval 1/32
 * @GUARD_INTERVAL_1_16:	Guard interval 1/16
 * @GUARD_INTERVAL_1_8:		Guard interval 1/8
 * @GUARD_INTERVAL_1_4:		Guard interval 1/4
 * @GUARD_INTERVAL_19_128:	Guard interval 19/128
 * @GUARD_INTERVAL_19_256:	Guard interval 19/256
 * @GUARD_INTERVAL_PN420:	PN length 420 (1/4)
 * @GUARD_INTERVAL_PN595:	PN length 595 (1/6)
 * @GUARD_INTERVAL_PN945:	PN length 945 (1/9)
 *
 * Please note that not all guard intervals are supported by a given standard.
 */
enum fe_guard_interval {
	GUARD_INTERVAL_1_32,
	GUARD_INTERVAL_1_16,
	GUARD_INTERVAL_1_8,
	GUARD_INTERVAL_1_4,
	GUARD_INTERVAL_AUTO,
	GUARD_INTERVAL_1_128,
	GUARD_INTERVAL_19_128,
	GUARD_INTERVAL_19_256,
	GUARD_INTERVAL_PN420,
	GUARD_INTERVAL_PN595,
	GUARD_INTERVAL_PN945,
};

/**
 * enum fe_hierarchy - Hierarchy
 * @HIERARCHY_NONE:	No hierarchy
 * @HIERARCHY_AUTO:	Autodetect hierarchy (if supported)
 * @HIERARCHY_1:	Hierarchy 1
 * @HIERARCHY_2:	Hierarchy 2
 * @HIERARCHY_4:	Hierarchy 4
 *
 * Please note that not all hierarchy types are supported by a given standard.
 */
enum fe_hierarchy {
	HIERARCHY_NONE,
	HIERARCHY_1,
	HIERARCHY_2,
	HIERARCHY_4,
	HIERARCHY_AUTO
};

/**
 * enum fe_interleaving - Interleaving
 * @INTERLEAVING_NONE:	No interleaving.
 * @INTERLEAVING_AUTO:	Auto-detect interleaving.
 * @INTERLEAVING_240:	Interleaving of 240 symbols.
 * @INTERLEAVING_720:	Interleaving of 720 symbols.
 *
 * Please note that, currently, only DTMB uses it.
 */
enum fe_interleaving {
	INTERLEAVING_NONE,
	INTERLEAVING_AUTO,
	INTERLEAVING_240,
	INTERLEAVING_720,
};

/* DVBv5 property Commands */

#define DTV_UNDEFINED		0
#define DTV_TUNE		1
#define DTV_CLEAR		2
#define DTV_FREQUENCY		3
#define DTV_MODULATION		4
#define DTV_BANDWIDTH_HZ	5
#define DTV_INVERSION		6
#define DTV_DISEQC_MASTER	7
#define DTV_SYMBOL_RATE		8
#define DTV_INNER_FEC		9
#define DTV_VOLTAGE		10
#define DTV_TONE		11
#define DTV_PILOT		12
#define DTV_ROLLOFF		13
#define DTV_DISEQC_SLAVE_REPLY	14

/* Basic enumeration set for querying unlimited capabilities */
#define DTV_FE_CAPABILITY_COUNT	15
#define DTV_FE_CAPABILITY	16
#define DTV_DELIVERY_SYSTEM	17

/* ISDB-T and ISDB-Tsb */
#define DTV_ISDBT_PARTIAL_RECEPTION	18
#define DTV_ISDBT_SOUND_BROADCASTING	19

#define DTV_ISDBT_SB_SUBCHANNEL_ID	20
#define DTV_ISDBT_SB_SEGMENT_IDX	21
#define DTV_ISDBT_SB_SEGMENT_COUNT	22

#define DTV_ISDBT_LAYERA_FEC			23
#define DTV_ISDBT_LAYERA_MODULATION		24
#define DTV_ISDBT_LAYERA_SEGMENT_COUNT		25
#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING	26

#define DTV_ISDBT_LAYERB_FEC			27
#define DTV_ISDBT_LAYERB_MODULATION		28
#define DTV_ISDBT_LAYERB_SEGMENT_COUNT		29
#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING	30

#define DTV_ISDBT_LAYERC_FEC			31
#define DTV_ISDBT_LAYERC_MODULATION		32
#define DTV_ISDBT_LAYERC_SEGMENT_COUNT		33
#define DTV_ISDBT_LAYERC_TIME_INTERLEAVING	34

#define DTV_API_VERSION		35

#define DTV_CODE_RATE_HP	36
#define DTV_CODE_RATE_LP	37
#define DTV_GUARD_INTERVAL	38
#define DTV_TRANSMISSION_MODE	39
#define DTV_HIERARCHY		40

#define DTV_ISDBT_LAYER_ENABLED	41

#define DTV_STREAM_ID		42
#define DTV_ISDBS_TS_ID_LEGACY	DTV_STREAM_ID
#define DTV_DVBT2_PLP_ID_LEGACY	43

#define DTV_ENUM_DELSYS		44

/* ATSC-MH */
#define DTV_ATSCMH_FIC_VER		45
#define DTV_ATSCMH_PARADE_ID		46
#define DTV_ATSCMH_NOG			47
#define DTV_ATSCMH_TNOG			48
#define DTV_ATSCMH_SGN			49
#define DTV_ATSCMH_PRC			50
#define DTV_ATSCMH_RS_FRAME_MODE	51
#define DTV_ATSCMH_RS_FRAME_ENSEMBLE	52
#define DTV_ATSCMH_RS_CODE_MODE_PRI	53
#define DTV_ATSCMH_RS_CODE_MODE_SEC	54
#define DTV_ATSCMH_SCCC_BLOCK_MODE	55
#define DTV_ATSCMH_SCCC_CODE_MODE_A	56
#define DTV_ATSCMH_SCCC_CODE_MODE_B	57
#define DTV_ATSCMH_SCCC_CODE_MODE_C	58
#define DTV_ATSCMH_SCCC_CODE_MODE_D	59

#define DTV_INTERLEAVING			60
#define DTV_LNA					61

/* Quality parameters */
#define DTV_STAT_SIGNAL_STRENGTH	62
#define DTV_STAT_CNR			63
#define DTV_STAT_PRE_ERROR_BIT_COUNT	64
#define DTV_STAT_PRE_TOTAL_BIT_COUNT	65
#define DTV_STAT_POST_ERROR_BIT_COUNT	66
#define DTV_STAT_POST_TOTAL_BIT_COUNT	67
#define DTV_STAT_ERROR_BLOCK_COUNT	68
#define DTV_STAT_TOTAL_BLOCK_COUNT	69

#define DTV_MAX_COMMAND		DTV_STAT_TOTAL_BLOCK_COUNT

/**
 * enum fe_pilot - Type of pilot tone
 *
 * @PILOT_ON:	Pilot tones enabled
 * @PILOT_OFF:	Pilot tones disabled
 * @PILOT_AUTO:	Autodetect pilot tones
 */
enum fe_pilot {
	PILOT_ON,
	PILOT_OFF,
	PILOT_AUTO,
};

/**
 * enum fe_rolloff - Rolloff factor
 * @ROLLOFF_35:		Roloff factor: α=35%
 * @ROLLOFF_20:		Roloff factor: α=20%
 * @ROLLOFF_25:		Roloff factor: α=25%
 * @ROLLOFF_AUTO:	Auto-detect the roloff factor.
 *
 * .. note:
 *
 *    Roloff factor of 35% is implied on DVB-S. On DVB-S2, it is default.
 */
enum fe_rolloff {
	ROLLOFF_35,
	ROLLOFF_20,
	ROLLOFF_25,
	ROLLOFF_AUTO,
};

/**
 * enum fe_delivery_system - Type of the delivery system
 *
 * @SYS_UNDEFINED:
 *	Undefined standard. Generally, indicates an error
 * @SYS_DVBC_ANNEX_A:
 *	Cable TV: DVB-C following ITU-T J.83 Annex A spec
 * @SYS_DVBC_ANNEX_B:
 *	Cable TV: DVB-C following ITU-T J.83 Annex B spec (ClearQAM)
 * @SYS_DVBC_ANNEX_C:
 *	Cable TV: DVB-C following ITU-T J.83 Annex C spec
 * @SYS_ISDBC:
 *	Cable TV: ISDB-C (no drivers yet)
 * @SYS_DVBT:
 *	Terrestrial TV: DVB-T
 * @SYS_DVBT2:
 *	Terrestrial TV: DVB-T2
 * @SYS_ISDBT:
 *	Terrestrial TV: ISDB-T
 * @SYS_ATSC:
 *	Terrestrial TV: ATSC
 * @SYS_ATSCMH:
 *	Terrestrial TV (mobile): ATSC-M/H
 * @SYS_DTMB:
 *	Terrestrial TV: DTMB
 * @SYS_DVBS:
 *	Satellite TV: DVB-S
 * @SYS_DVBS2:
 *	Satellite TV: DVB-S2
 * @SYS_TURBO:
 *	Satellite TV: DVB-S Turbo
 * @SYS_ISDBS:
 *	Satellite TV: ISDB-S
 * @SYS_DAB:
 *	Digital audio: DAB (not fully supported)
 * @SYS_DSS:
 *	Satellite TV: DSS (not fully supported)
 * @SYS_CMMB:
 *	Terrestrial TV (mobile): CMMB (not fully supported)
 * @SYS_DVBH:
 *	Terrestrial TV (mobile): DVB-H (standard deprecated)
 */
enum fe_delivery_system {
	SYS_UNDEFINED,
	SYS_DVBC_ANNEX_A,
	SYS_DVBC_ANNEX_B,
	SYS_DVBT,
	SYS_DSS,
	SYS_DVBS,
	SYS_DVBS2,
	SYS_DVBH,
	SYS_ISDBT,
	SYS_ISDBS,
	SYS_ISDBC,
	SYS_ATSC,
	SYS_ATSCMH,
	SYS_DTMB,
	SYS_CMMB,
	SYS_DAB,
	SYS_DVBT2,
	SYS_TURBO,
	SYS_DVBC_ANNEX_C,
};

/* backward compatibility definitions for delivery systems */
#define SYS_DVBC_ANNEX_AC	SYS_DVBC_ANNEX_A
#define SYS_DMBTH		SYS_DTMB /* DMB-TH is legacy name, use DTMB */

/* ATSC-MH specific parameters */

/**
 * enum atscmh_sccc_block_mode - Type of Series Concatenated Convolutional
 *				 Code Block Mode.
 *
 * @ATSCMH_SCCC_BLK_SEP:
 *	Separate SCCC: the SCCC outer code mode shall be set independently
 *	for each Group Region (A, B, C, D)
 * @ATSCMH_SCCC_BLK_COMB:
 *	Combined SCCC: all four Regions shall have the same SCCC outer
 *	code mode.
 * @ATSCMH_SCCC_BLK_RES:
 *	Reserved. Shouldn't be used.
 */
enum atscmh_sccc_block_mode {
	ATSCMH_SCCC_BLK_SEP      = 0,
	ATSCMH_SCCC_BLK_COMB     = 1,
	ATSCMH_SCCC_BLK_RES      = 2,
};

/**
 * enum atscmh_sccc_code_mode - Type of Series Concatenated Convolutional
 *				Code Rate.
 *
 * @ATSCMH_SCCC_CODE_HLF:
 *	The outer code rate of a SCCC Block is 1/2 rate.
 * @ATSCMH_SCCC_CODE_QTR:
 *	The outer code rate of a SCCC Block is 1/4 rate.
 * @ATSCMH_SCCC_CODE_RES:
 *	Reserved. Should not be used.
 */
enum atscmh_sccc_code_mode {
	ATSCMH_SCCC_CODE_HLF     = 0,
	ATSCMH_SCCC_CODE_QTR     = 1,
	ATSCMH_SCCC_CODE_RES     = 2,
};

/**
 * enum atscmh_rs_frame_ensemble - Reed Solomon(RS) frame ensemble.
 *
 * @ATSCMH_RSFRAME_ENS_PRI:	Primary Ensemble.
 * @ATSCMH_RSFRAME_ENS_SEC:	Secondary Ensemble.
 */
enum atscmh_rs_frame_ensemble {
	ATSCMH_RSFRAME_ENS_PRI   = 0,
	ATSCMH_RSFRAME_ENS_SEC   = 1,
};

/**
 * enum atscmh_rs_frame_mode - Reed Solomon (RS) frame mode.
 *
 * @ATSCMH_RSFRAME_PRI_ONLY:
 *	Single Frame: There is only a primary RS Frame for all Group
 *	Regions.
 * @ATSCMH_RSFRAME_PRI_SEC:
 *	Dual Frame: There are two separate RS Frames: Primary RS Frame for
 *	Group Region A and B and Secondary RS Frame for Group Region C and
 *	D.
 * @ATSCMH_RSFRAME_RES:
 *	Reserved. Shouldn't be used.
 */
enum atscmh_rs_frame_mode {
	ATSCMH_RSFRAME_PRI_ONLY  = 0,
	ATSCMH_RSFRAME_PRI_SEC   = 1,
	ATSCMH_RSFRAME_RES       = 2,
};

/**
 * enum atscmh_rs_code_mode
 * @ATSCMH_RSCODE_211_187:	Reed Solomon code (211,187).
 * @ATSCMH_RSCODE_223_187:	Reed Solomon code (223,187).
 * @ATSCMH_RSCODE_235_187:	Reed Solomon code (235,187).
 * @ATSCMH_RSCODE_RES:		Reserved. Shouldn't be used.
 */
enum atscmh_rs_code_mode {
	ATSCMH_RSCODE_211_187    = 0,
	ATSCMH_RSCODE_223_187    = 1,
	ATSCMH_RSCODE_235_187    = 2,
	ATSCMH_RSCODE_RES        = 3,
};

#define NO_STREAM_ID_FILTER	(~0U)
#define LNA_AUTO                (~0U)

/**
 * enum fecap_scale_params - scale types for the quality parameters.
 *
 * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That
 *			    could indicate a temporary or a permanent
 *			    condition.
 * @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically
 *		      used on signal measures.
 * @FE_SCALE_RELATIVE: The scale is a relative percentual measure,
 *		       ranging from 0 (0%) to 0xffff (100%).
 * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like
 *		      bit error, block error, lapsed time.
 */
enum fecap_scale_params {
	FE_SCALE_NOT_AVAILABLE = 0,
	FE_SCALE_DECIBEL,
	FE_SCALE_RELATIVE,
	FE_SCALE_COUNTER
};

/**
 * struct dtv_stats - Used for reading a DTV status property
 *
 * @scale:	Filled with enum fecap_scale_params - the scale
 *		in usage for that parameter
 *
 * The ``{unnamed_union}`` may have either one of the values below:
 *
 * %svalue
 *	integer value of the measure, for %FE_SCALE_DECIBEL,
 *	used for dB measures. The unit is 0.001 dB.
 *
 * %uvalue
 *	unsigned integer value of the measure, used when @scale is
 *	either %FE_SCALE_RELATIVE or %FE_SCALE_COUNTER.
 *
 * For most delivery systems, this will return a single value for each
 * parameter.
 *
 * It should be noticed, however, that new OFDM delivery systems like
 * ISDB can use different modulation types for each group of carriers.
 * On such standards, up to 8 groups of statistics can be provided, one
 * for each carrier group (called "layer" on ISDB).
 *
 * In order to be consistent with other delivery systems, the first
 * value refers to the entire set of carriers ("global").
 *
 * @scale should use the value %FE_SCALE_NOT_AVAILABLE when
 * the value for the entire group of carriers or from one specific layer
 * is not provided by the hardware.
 *
 * @len should be filled with the latest filled status + 1.
 *
 * In other words, for ISDB, those values should be filled like::
 *
 *	u.st.stat.svalue[0] = global statistics;
 *	u.st.stat.scale[0] = FE_SCALE_DECIBEL;
 *	u.st.stat.value[1] = layer A statistics;
 *	u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available);
 *	u.st.stat.svalue[2] = layer B statistics;
 *	u.st.stat.scale[2] = FE_SCALE_DECIBEL;
 *	u.st.stat.svalue[3] = layer C statistics;
 *	u.st.stat.scale[3] = FE_SCALE_DECIBEL;
 *	u.st.len = 4;
 */
struct dtv_stats {
	__u8 scale;	/* enum fecap_scale_params type */
	union {
		__u64 uvalue;	/* for counters and relative scales */
		__s64 svalue;	/* for 0.001 dB measures */
	};
} __attribute__ ((packed));


#define MAX_DTV_STATS   4

/**
 * struct dtv_fe_stats - store Digital TV frontend statistics
 *
 * @len:	length of the statistics - if zero, stats is disabled.
 * @stat:	array with digital TV statistics.
 *
 * On most standards, @len can either be 0 or 1. However, for ISDB, each
 * layer is modulated in separate. So, each layer may have its own set
 * of statistics. If so, stat[0] carries on a global value for the property.
 * Indexes 1 to 3 means layer A to B.
 */
struct dtv_fe_stats {
	__u8 len;
	struct dtv_stats stat[MAX_DTV_STATS];
} __attribute__ ((packed));

/**
 * struct dtv_property - store one of frontend command and its value
 *
 * @cmd:	Digital TV command.
 * @reserved:	Not used.
 * @u:		Union with the values for the command.
 * @result:	Result of the command set (currently unused).
 *
 * The @u union may have either one of the values below:
 *
 * %data
 *	an unsigned 32-bits number.
 * %st
 *	a &struct dtv_fe_stats array of statistics.
 * %buffer
 *	a buffer of up to 32 characters (currently unused).
 */
struct dtv_property {
	__u32 cmd;
	__u32 reserved[3];
	union {
		__u32 data;
		struct dtv_fe_stats st;
		struct {
			__u8 data[32];
			__u32 len;
			__u32 reserved1[3];
			void *reserved2;
		} buffer;
	} u;
	int result;
} __attribute__ ((packed));

/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
#define DTV_IOCTL_MAX_MSGS 64

/**
 * struct dtv_properties - a set of command/value pairs.
 *
 * @num:	amount of commands stored at the struct.
 * @props:	a pointer to &struct dtv_property.
 */
struct dtv_properties {
	__u32 num;
	struct dtv_property *props;
};

/*
 * When set, this flag will disable any zigzagging or other "normal" tuning
 * behavior. Additionally, there will be no automatic monitoring of the lock
 * status, and hence no frontend events will be generated. If a frontend device
 * is closed, this flag will be automatically turned off when the device is
 * reopened read-write.
 */
#define FE_TUNE_MODE_ONESHOT 0x01

/* Digital TV Frontend API calls */

#define FE_GET_INFO		   _IOR('o', 61, struct dvb_frontend_info)

#define FE_DISEQC_RESET_OVERLOAD   _IO('o', 62)
#define FE_DISEQC_SEND_MASTER_CMD  _IOW('o', 63, struct dvb_diseqc_master_cmd)
#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
#define FE_DISEQC_SEND_BURST       _IO('o', 65)  /* fe_sec_mini_cmd_t */

#define FE_SET_TONE		   _IO('o', 66)  /* fe_sec_tone_mode_t */
#define FE_SET_VOLTAGE		   _IO('o', 67)  /* fe_sec_voltage_t */
#define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68)  /* int */

#define FE_READ_STATUS		   _IOR('o', 69, fe_status_t)
#define FE_READ_BER		   _IOR('o', 70, __u32)
#define FE_READ_SIGNAL_STRENGTH    _IOR('o', 71, __u16)
#define FE_READ_SNR		   _IOR('o', 72, __u16)
#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)

#define FE_SET_FRONTEND_TUNE_MODE  _IO('o', 81) /* unsigned int */
#define FE_GET_EVENT		   _IOR('o', 78, struct dvb_frontend_event)

#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */

#define FE_SET_PROPERTY		   _IOW('o', 82, struct dtv_properties)
#define FE_GET_PROPERTY		   _IOR('o', 83, struct dtv_properties)

#if defined(__DVB_CORE__) || !defined(__KERNEL__)

/*
 * DEPRECATED: Everything below is deprecated in favor of DVBv5 API
 *
 * The DVBv3 only ioctls, structs and enums should not be used on
 * newer programs, as it doesn't support the second generation of
 * digital TV standards, nor supports newer delivery systems.
 * They also don't support modern frontends with usually support multiple
 * delivery systems.
 *
 * Drivers shouldn't use them.
 *
 * New applications should use DVBv5 delivery system instead
 */

/*
 */

enum fe_bandwidth {
	BANDWIDTH_8_MHZ,
	BANDWIDTH_7_MHZ,
	BANDWIDTH_6_MHZ,
	BANDWIDTH_AUTO,
	BANDWIDTH_5_MHZ,
	BANDWIDTH_10_MHZ,
	BANDWIDTH_1_712_MHZ,
};

/* This is kept for legacy userspace support */
typedef enum fe_sec_voltage fe_sec_voltage_t;
typedef enum fe_caps fe_caps_t;
typedef enum fe_type fe_type_t;
typedef enum fe_sec_tone_mode fe_sec_tone_mode_t;
typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t;
typedef enum fe_status fe_status_t;
typedef enum fe_spectral_inversion fe_spectral_inversion_t;
typedef enum fe_code_rate fe_code_rate_t;
typedef enum fe_modulation fe_modulation_t;
typedef enum fe_transmit_mode fe_transmit_mode_t;
typedef enum fe_bandwidth fe_bandwidth_t;
typedef enum fe_guard_interval fe_guard_interval_t;
typedef enum fe_hierarchy fe_hierarchy_t;
typedef enum fe_pilot fe_pilot_t;
typedef enum fe_rolloff fe_rolloff_t;
typedef enum fe_delivery_system fe_delivery_system_t;

/* DVBv3 structs */

struct dvb_qpsk_parameters {
	__u32		symbol_rate;  /* symbol rate in Symbols per second */
	fe_code_rate_t	fec_inner;    /* forward error correction (see above) */
};

struct dvb_qam_parameters {
	__u32		symbol_rate; /* symbol rate in Symbols per second */
	fe_code_rate_t	fec_inner;   /* forward error correction (see above) */
	fe_modulation_t	modulation;  /* modulation type (see above) */
};

struct dvb_vsb_parameters {
	fe_modulation_t	modulation;  /* modulation type (see above) */
};

struct dvb_ofdm_parameters {
	fe_bandwidth_t      bandwidth;
	fe_code_rate_t      code_rate_HP;  /* high priority stream code rate */
	fe_code_rate_t      code_rate_LP;  /* low priority stream code rate */
	fe_modulation_t     constellation; /* modulation type (see above) */
	fe_transmit_mode_t  transmission_mode;
	fe_guard_interval_t guard_interval;
	fe_hierarchy_t      hierarchy_information;
};

struct dvb_frontend_parameters {
	__u32 frequency;  /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */
			  /* intermediate frequency in kHz for DVB-S */
	fe_spectral_inversion_t inversion;
	union {
		struct dvb_qpsk_parameters qpsk;	/* DVB-S */
		struct dvb_qam_parameters  qam;		/* DVB-C */
		struct dvb_ofdm_parameters ofdm;	/* DVB-T */
		struct dvb_vsb_parameters vsb;		/* ATSC */
	} u;
};

struct dvb_frontend_event {
	fe_status_t status;
	struct dvb_frontend_parameters parameters;
};

/* DVBv3 API calls */

#define FE_SET_FRONTEND		   _IOW('o', 76, struct dvb_frontend_parameters)
#define FE_GET_FRONTEND		   _IOR('o', 77, struct dvb_frontend_parameters)

#endif

#endif /*_DVBFRONTEND_H_*/