1/* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
2/*
3 * frontend.h
4 *
5 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de>
6 * Ralph Metzler <ralph@convergence.de>
7 * Holger Waechtler <holger@convergence.de>
8 * Andre Draszik <ad@convergence.de>
9 * for convergence integrated media GmbH
10 */
11
12#ifndef _DVBFRONTEND_H_
13#define _DVBFRONTEND_H_
14
15#include <linux/types.h>
16
17/**
18 * enum fe_caps - Frontend capabilities
19 *
20 * @FE_IS_STUPID: There's something wrong at the
21 * frontend, and it can't report its
22 * capabilities.
23 * @FE_CAN_INVERSION_AUTO: Can auto-detect frequency spectral
24 * band inversion
25 * @FE_CAN_FEC_1_2: Supports FEC 1/2
26 * @FE_CAN_FEC_2_3: Supports FEC 2/3
27 * @FE_CAN_FEC_3_4: Supports FEC 3/4
28 * @FE_CAN_FEC_4_5: Supports FEC 4/5
29 * @FE_CAN_FEC_5_6: Supports FEC 5/6
30 * @FE_CAN_FEC_6_7: Supports FEC 6/7
31 * @FE_CAN_FEC_7_8: Supports FEC 7/8
32 * @FE_CAN_FEC_8_9: Supports FEC 8/9
33 * @FE_CAN_FEC_AUTO: Can auto-detect FEC
34 * @FE_CAN_QPSK: Supports QPSK modulation
35 * @FE_CAN_QAM_16: Supports 16-QAM modulation
36 * @FE_CAN_QAM_32: Supports 32-QAM modulation
37 * @FE_CAN_QAM_64: Supports 64-QAM modulation
38 * @FE_CAN_QAM_128: Supports 128-QAM modulation
39 * @FE_CAN_QAM_256: Supports 256-QAM modulation
40 * @FE_CAN_QAM_AUTO: Can auto-detect QAM modulation
41 * @FE_CAN_TRANSMISSION_MODE_AUTO: Can auto-detect transmission mode
42 * @FE_CAN_BANDWIDTH_AUTO: Can auto-detect bandwidth
43 * @FE_CAN_GUARD_INTERVAL_AUTO: Can auto-detect guard interval
44 * @FE_CAN_HIERARCHY_AUTO: Can auto-detect hierarchy
45 * @FE_CAN_8VSB: Supports 8-VSB modulation
46 * @FE_CAN_16VSB: Supporta 16-VSB modulation
47 * @FE_HAS_EXTENDED_CAPS: Unused
48 * @FE_CAN_MULTISTREAM: Supports multistream filtering
49 * @FE_CAN_TURBO_FEC: Supports "turbo FEC" modulation
50 * @FE_CAN_2G_MODULATION: Supports "2nd generation" modulation,
51 * e. g. DVB-S2, DVB-T2, DVB-C2
52 * @FE_NEEDS_BENDING: Unused
53 * @FE_CAN_RECOVER: Can recover from a cable unplug
54 * automatically
55 * @FE_CAN_MUTE_TS: Can stop spurious TS data output
56 */
57enum fe_caps {
58 FE_IS_STUPID = 0,
59 FE_CAN_INVERSION_AUTO = 0x1,
60 FE_CAN_FEC_1_2 = 0x2,
61 FE_CAN_FEC_2_3 = 0x4,
62 FE_CAN_FEC_3_4 = 0x8,
63 FE_CAN_FEC_4_5 = 0x10,
64 FE_CAN_FEC_5_6 = 0x20,
65 FE_CAN_FEC_6_7 = 0x40,
66 FE_CAN_FEC_7_8 = 0x80,
67 FE_CAN_FEC_8_9 = 0x100,
68 FE_CAN_FEC_AUTO = 0x200,
69 FE_CAN_QPSK = 0x400,
70 FE_CAN_QAM_16 = 0x800,
71 FE_CAN_QAM_32 = 0x1000,
72 FE_CAN_QAM_64 = 0x2000,
73 FE_CAN_QAM_128 = 0x4000,
74 FE_CAN_QAM_256 = 0x8000,
75 FE_CAN_QAM_AUTO = 0x10000,
76 FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000,
77 FE_CAN_BANDWIDTH_AUTO = 0x40000,
78 FE_CAN_GUARD_INTERVAL_AUTO = 0x80000,
79 FE_CAN_HIERARCHY_AUTO = 0x100000,
80 FE_CAN_8VSB = 0x200000,
81 FE_CAN_16VSB = 0x400000,
82 FE_HAS_EXTENDED_CAPS = 0x800000,
83 FE_CAN_MULTISTREAM = 0x4000000,
84 FE_CAN_TURBO_FEC = 0x8000000,
85 FE_CAN_2G_MODULATION = 0x10000000,
86 FE_NEEDS_BENDING = 0x20000000,
87 FE_CAN_RECOVER = 0x40000000,
88 FE_CAN_MUTE_TS = 0x80000000
89};
90
91/*
92 * DEPRECATED: Should be kept just due to backward compatibility.
93 */
94enum fe_type {
95 FE_QPSK,
96 FE_QAM,
97 FE_OFDM,
98 FE_ATSC
99};
100
101/**
102 * struct dvb_frontend_info - Frontend properties and capabilities
103 *
104 * @name: Name of the frontend
105 * @type: **DEPRECATED**.
106 * Should not be used on modern programs,
107 * as a frontend may have more than one type.
108 * In order to get the support types of a given
109 * frontend, use :c:type:`DTV_ENUM_DELSYS`
110 * instead.
111 * @frequency_min: Minimal frequency supported by the frontend.
112 * @frequency_max: Minimal frequency supported by the frontend.
113 * @frequency_stepsize: All frequencies are multiple of this value.
114 * @frequency_tolerance: Frequency tolerance.
115 * @symbol_rate_min: Minimal symbol rate, in bauds
116 * (for Cable/Satellite systems).
117 * @symbol_rate_max: Maximal symbol rate, in bauds
118 * (for Cable/Satellite systems).
119 * @symbol_rate_tolerance: Maximal symbol rate tolerance, in ppm
120 * (for Cable/Satellite systems).
121 * @notifier_delay: **DEPRECATED**. Not used by any driver.
122 * @caps: Capabilities supported by the frontend,
123 * as specified in &enum fe_caps.
124 *
125 * .. note:
126 *
127 * #. The frequencies are specified in Hz for Terrestrial and Cable
128 * systems.
129 * #. The frequencies are specified in kHz for Satellite systems.
130 */
131struct dvb_frontend_info {
132 char name[128];
133 enum fe_type type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */
134 __u32 frequency_min;
135 __u32 frequency_max;
136 __u32 frequency_stepsize;
137 __u32 frequency_tolerance;
138 __u32 symbol_rate_min;
139 __u32 symbol_rate_max;
140 __u32 symbol_rate_tolerance;
141 __u32 notifier_delay; /* DEPRECATED */
142 enum fe_caps caps;
143};
144
145/**
146 * struct dvb_diseqc_master_cmd - DiSEqC master command
147 *
148 * @msg:
149 * DiSEqC message to be sent. It contains a 3 bytes header with:
150 * framing + address + command, and an optional argument
151 * of up to 3 bytes of data.
152 * @msg_len:
153 * Length of the DiSEqC message. Valid values are 3 to 6.
154 *
155 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
156 * the possible messages that can be used.
157 */
158struct dvb_diseqc_master_cmd {
159 __u8 msg[6];
160 __u8 msg_len;
161};
162
163/**
164 * struct dvb_diseqc_slave_reply - DiSEqC received data
165 *
166 * @msg:
167 * DiSEqC message buffer to store a message received via DiSEqC.
168 * It contains one byte header with: framing and
169 * an optional argument of up to 3 bytes of data.
170 * @msg_len:
171 * Length of the DiSEqC message. Valid values are 0 to 4,
172 * where 0 means no message.
173 * @timeout:
174 * Return from ioctl after timeout ms with errorcode when
175 * no message was received.
176 *
177 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
178 * the possible messages that can be used.
179 */
180struct dvb_diseqc_slave_reply {
181 __u8 msg[4];
182 __u8 msg_len;
183 int timeout;
184};
185
186/**
187 * enum fe_sec_voltage - DC Voltage used to feed the LNBf
188 *
189 * @SEC_VOLTAGE_13: Output 13V to the LNBf
190 * @SEC_VOLTAGE_18: Output 18V to the LNBf
191 * @SEC_VOLTAGE_OFF: Don't feed the LNBf with a DC voltage
192 */
193enum fe_sec_voltage {
194 SEC_VOLTAGE_13,
195 SEC_VOLTAGE_18,
196 SEC_VOLTAGE_OFF
197};
198
199/**
200 * enum fe_sec_tone_mode - Type of tone to be send to the LNBf.
201 * @SEC_TONE_ON: Sends a 22kHz tone burst to the antenna.
202 * @SEC_TONE_OFF: Don't send a 22kHz tone to the antenna (except
203 * if the ``FE_DISEQC_*`` ioctls are called).
204 */
205enum fe_sec_tone_mode {
206 SEC_TONE_ON,
207 SEC_TONE_OFF
208};
209
210/**
211 * enum fe_sec_mini_cmd - Type of mini burst to be sent
212 *
213 * @SEC_MINI_A: Sends a mini-DiSEqC 22kHz '0' Tone Burst to select
214 * satellite-A
215 * @SEC_MINI_B: Sends a mini-DiSEqC 22kHz '1' Data Burst to select
216 * satellite-B
217 */
218enum fe_sec_mini_cmd {
219 SEC_MINI_A,
220 SEC_MINI_B
221};
222
223/**
224 * enum fe_status - Enumerates the possible frontend status.
225 * @FE_NONE: The frontend doesn't have any kind of lock.
226 * That's the initial frontend status
227 * @FE_HAS_SIGNAL: Has found something above the noise level.
228 * @FE_HAS_CARRIER: Has found a signal.
229 * @FE_HAS_VITERBI: FEC inner coding (Viterbi, LDPC or other inner code).
230 * is stable.
231 * @FE_HAS_SYNC: Synchronization bytes was found.
232 * @FE_HAS_LOCK: Digital TV were locked and everything is working.
233 * @FE_TIMEDOUT: Fo lock within the last about 2 seconds.
234 * @FE_REINIT: Frontend was reinitialized, application is recommended
235 * to reset DiSEqC, tone and parameters.
236 */
237enum fe_status {
238 FE_NONE = 0x00,
239 FE_HAS_SIGNAL = 0x01,
240 FE_HAS_CARRIER = 0x02,
241 FE_HAS_VITERBI = 0x04,
242 FE_HAS_SYNC = 0x08,
243 FE_HAS_LOCK = 0x10,
244 FE_TIMEDOUT = 0x20,
245 FE_REINIT = 0x40,
246};
247
248/**
249 * enum fe_spectral_inversion - Type of inversion band
250 *
251 * @INVERSION_OFF: Don't do spectral band inversion.
252 * @INVERSION_ON: Do spectral band inversion.
253 * @INVERSION_AUTO: Autodetect spectral band inversion.
254 *
255 * This parameter indicates if spectral inversion should be presumed or
256 * not. In the automatic setting (``INVERSION_AUTO``) the hardware will try
257 * to figure out the correct setting by itself. If the hardware doesn't
258 * support, the %dvb_frontend will try to lock at the carrier first with
259 * inversion off. If it fails, it will try to enable inversion.
260 */
261enum fe_spectral_inversion {
262 INVERSION_OFF,
263 INVERSION_ON,
264 INVERSION_AUTO
265};
266
267/**
268 * enum fe_code_rate - Type of Forward Error Correction (FEC)
269 *
270 * @FEC_NONE: No Forward Error Correction Code
271 * @FEC_1_2: Forward Error Correction Code 1/2
272 * @FEC_2_3: Forward Error Correction Code 2/3
273 * @FEC_3_4: Forward Error Correction Code 3/4
274 * @FEC_4_5: Forward Error Correction Code 4/5
275 * @FEC_5_6: Forward Error Correction Code 5/6
276 * @FEC_6_7: Forward Error Correction Code 6/7
277 * @FEC_7_8: Forward Error Correction Code 7/8
278 * @FEC_8_9: Forward Error Correction Code 8/9
279 * @FEC_AUTO: Autodetect Error Correction Code
280 * @FEC_3_5: Forward Error Correction Code 3/5
281 * @FEC_9_10: Forward Error Correction Code 9/10
282 * @FEC_2_5: Forward Error Correction Code 2/5
283 * @FEC_1_3: Forward Error Correction Code 1/3
284 * @FEC_1_4: Forward Error Correction Code 1/4
285 * @FEC_5_9: Forward Error Correction Code 5/9
286 * @FEC_7_9: Forward Error Correction Code 7/9
287 * @FEC_8_15: Forward Error Correction Code 8/15
288 * @FEC_11_15: Forward Error Correction Code 11/15
289 * @FEC_13_18: Forward Error Correction Code 13/18
290 * @FEC_9_20: Forward Error Correction Code 9/20
291 * @FEC_11_20: Forward Error Correction Code 11/20
292 * @FEC_23_36: Forward Error Correction Code 23/36
293 * @FEC_25_36: Forward Error Correction Code 25/36
294 * @FEC_13_45: Forward Error Correction Code 13/45
295 * @FEC_26_45: Forward Error Correction Code 26/45
296 * @FEC_28_45: Forward Error Correction Code 28/45
297 * @FEC_32_45: Forward Error Correction Code 32/45
298 * @FEC_77_90: Forward Error Correction Code 77/90
299 * @FEC_11_45: Forward Error Correction Code 11/45
300 * @FEC_4_15: Forward Error Correction Code 4/15
301 * @FEC_14_45: Forward Error Correction Code 14/45
302 * @FEC_7_15: Forward Error Correction Code 7/15
303 *
304 * Please note that not all FEC types are supported by a given standard.
305 */
306enum fe_code_rate {
307 FEC_NONE = 0,
308 FEC_1_2,
309 FEC_2_3,
310 FEC_3_4,
311 FEC_4_5,
312 FEC_5_6,
313 FEC_6_7,
314 FEC_7_8,
315 FEC_8_9,
316 FEC_AUTO,
317 FEC_3_5,
318 FEC_9_10,
319 FEC_2_5,
320 FEC_1_3,
321 FEC_1_4,
322 FEC_5_9,
323 FEC_7_9,
324 FEC_8_15,
325 FEC_11_15,
326 FEC_13_18,
327 FEC_9_20,
328 FEC_11_20,
329 FEC_23_36,
330 FEC_25_36,
331 FEC_13_45,
332 FEC_26_45,
333 FEC_28_45,
334 FEC_32_45,
335 FEC_77_90,
336 FEC_11_45,
337 FEC_4_15,
338 FEC_14_45,
339 FEC_7_15,
340};
341
342/**
343 * enum fe_modulation - Type of modulation/constellation
344 * @QPSK: QPSK modulation
345 * @QAM_16: 16-QAM modulation
346 * @QAM_32: 32-QAM modulation
347 * @QAM_64: 64-QAM modulation
348 * @QAM_128: 128-QAM modulation
349 * @QAM_256: 256-QAM modulation
350 * @QAM_AUTO: Autodetect QAM modulation
351 * @VSB_8: 8-VSB modulation
352 * @VSB_16: 16-VSB modulation
353 * @PSK_8: 8-PSK modulation
354 * @APSK_16: 16-APSK modulation
355 * @APSK_32: 32-APSK modulation
356 * @DQPSK: DQPSK modulation
357 * @QAM_4_NR: 4-QAM-NR modulation
358 * @QAM_1024: 1024-QAM modulation
359 * @QAM_4096: 4096-QAM modulation
360 * @APSK_8_L: 8APSK-L modulation
361 * @APSK_16_L: 16APSK-L modulation
362 * @APSK_32_L: 32APSK-L modulation
363 * @APSK_64: 64APSK modulation
364 * @APSK_64_L: 64APSK-L modulation
365 *
366 * Please note that not all modulations are supported by a given standard.
367 *
368 */
369enum fe_modulation {
370 QPSK,
371 QAM_16,
372 QAM_32,
373 QAM_64,
374 QAM_128,
375 QAM_256,
376 QAM_AUTO,
377 VSB_8,
378 VSB_16,
379 PSK_8,
380 APSK_16,
381 APSK_32,
382 DQPSK,
383 QAM_4_NR,
384 QAM_1024,
385 QAM_4096,
386 APSK_8_L,
387 APSK_16_L,
388 APSK_32_L,
389 APSK_64,
390 APSK_64_L,
391};
392
393/**
394 * enum fe_transmit_mode - Transmission mode
395 *
396 * @TRANSMISSION_MODE_AUTO:
397 * Autodetect transmission mode. The hardware will try to find the
398 * correct FFT-size (if capable) to fill in the missing parameters.
399 * @TRANSMISSION_MODE_1K:
400 * Transmission mode 1K
401 * @TRANSMISSION_MODE_2K:
402 * Transmission mode 2K
403 * @TRANSMISSION_MODE_8K:
404 * Transmission mode 8K
405 * @TRANSMISSION_MODE_4K:
406 * Transmission mode 4K
407 * @TRANSMISSION_MODE_16K:
408 * Transmission mode 16K
409 * @TRANSMISSION_MODE_32K:
410 * Transmission mode 32K
411 * @TRANSMISSION_MODE_C1:
412 * Single Carrier (C=1) transmission mode (DTMB only)
413 * @TRANSMISSION_MODE_C3780:
414 * Multi Carrier (C=3780) transmission mode (DTMB only)
415 *
416 * Please note that not all transmission modes are supported by a given
417 * standard.
418 */
419enum fe_transmit_mode {
420 TRANSMISSION_MODE_2K,
421 TRANSMISSION_MODE_8K,
422 TRANSMISSION_MODE_AUTO,
423 TRANSMISSION_MODE_4K,
424 TRANSMISSION_MODE_1K,
425 TRANSMISSION_MODE_16K,
426 TRANSMISSION_MODE_32K,
427 TRANSMISSION_MODE_C1,
428 TRANSMISSION_MODE_C3780,
429};
430
431/**
432 * enum fe_guard_interval - Guard interval
433 *
434 * @GUARD_INTERVAL_AUTO: Autodetect the guard interval
435 * @GUARD_INTERVAL_1_128: Guard interval 1/128
436 * @GUARD_INTERVAL_1_32: Guard interval 1/32
437 * @GUARD_INTERVAL_1_16: Guard interval 1/16
438 * @GUARD_INTERVAL_1_8: Guard interval 1/8
439 * @GUARD_INTERVAL_1_4: Guard interval 1/4
440 * @GUARD_INTERVAL_19_128: Guard interval 19/128
441 * @GUARD_INTERVAL_19_256: Guard interval 19/256
442 * @GUARD_INTERVAL_PN420: PN length 420 (1/4)
443 * @GUARD_INTERVAL_PN595: PN length 595 (1/6)
444 * @GUARD_INTERVAL_PN945: PN length 945 (1/9)
445 * @GUARD_INTERVAL_1_64: Guard interval 1/64
446 *
447 * Please note that not all guard intervals are supported by a given standard.
448 */
449enum fe_guard_interval {
450 GUARD_INTERVAL_1_32,
451 GUARD_INTERVAL_1_16,
452 GUARD_INTERVAL_1_8,
453 GUARD_INTERVAL_1_4,
454 GUARD_INTERVAL_AUTO,
455 GUARD_INTERVAL_1_128,
456 GUARD_INTERVAL_19_128,
457 GUARD_INTERVAL_19_256,
458 GUARD_INTERVAL_PN420,
459 GUARD_INTERVAL_PN595,
460 GUARD_INTERVAL_PN945,
461 GUARD_INTERVAL_1_64,
462};
463
464/**
465 * enum fe_hierarchy - Hierarchy
466 * @HIERARCHY_NONE: No hierarchy
467 * @HIERARCHY_AUTO: Autodetect hierarchy (if supported)
468 * @HIERARCHY_1: Hierarchy 1
469 * @HIERARCHY_2: Hierarchy 2
470 * @HIERARCHY_4: Hierarchy 4
471 *
472 * Please note that not all hierarchy types are supported by a given standard.
473 */
474enum fe_hierarchy {
475 HIERARCHY_NONE,
476 HIERARCHY_1,
477 HIERARCHY_2,
478 HIERARCHY_4,
479 HIERARCHY_AUTO
480};
481
482/**
483 * enum fe_interleaving - Interleaving
484 * @INTERLEAVING_NONE: No interleaving.
485 * @INTERLEAVING_AUTO: Auto-detect interleaving.
486 * @INTERLEAVING_240: Interleaving of 240 symbols.
487 * @INTERLEAVING_720: Interleaving of 720 symbols.
488 *
489 * Please note that, currently, only DTMB uses it.
490 */
491enum fe_interleaving {
492 INTERLEAVING_NONE,
493 INTERLEAVING_AUTO,
494 INTERLEAVING_240,
495 INTERLEAVING_720,
496};
497
498/* DVBv5 property Commands */
499
500#define DTV_UNDEFINED 0
501#define DTV_TUNE 1
502#define DTV_CLEAR 2
503#define DTV_FREQUENCY 3
504#define DTV_MODULATION 4
505#define DTV_BANDWIDTH_HZ 5
506#define DTV_INVERSION 6
507#define DTV_DISEQC_MASTER 7
508#define DTV_SYMBOL_RATE 8
509#define DTV_INNER_FEC 9
510#define DTV_VOLTAGE 10
511#define DTV_TONE 11
512#define DTV_PILOT 12
513#define DTV_ROLLOFF 13
514#define DTV_DISEQC_SLAVE_REPLY 14
515
516/* Basic enumeration set for querying unlimited capabilities */
517#define DTV_FE_CAPABILITY_COUNT 15
518#define DTV_FE_CAPABILITY 16
519#define DTV_DELIVERY_SYSTEM 17
520
521/* ISDB-T and ISDB-Tsb */
522#define DTV_ISDBT_PARTIAL_RECEPTION 18
523#define DTV_ISDBT_SOUND_BROADCASTING 19
524
525#define DTV_ISDBT_SB_SUBCHANNEL_ID 20
526#define DTV_ISDBT_SB_SEGMENT_IDX 21
527#define DTV_ISDBT_SB_SEGMENT_COUNT 22
528
529#define DTV_ISDBT_LAYERA_FEC 23
530#define DTV_ISDBT_LAYERA_MODULATION 24
531#define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25
532#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26
533
534#define DTV_ISDBT_LAYERB_FEC 27
535#define DTV_ISDBT_LAYERB_MODULATION 28
536#define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29
537#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30
538
539#define DTV_ISDBT_LAYERC_FEC 31
540#define DTV_ISDBT_LAYERC_MODULATION 32
541#define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33
542#define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34
543
544#define DTV_API_VERSION 35
545
546#define DTV_CODE_RATE_HP 36
547#define DTV_CODE_RATE_LP 37
548#define DTV_GUARD_INTERVAL 38
549#define DTV_TRANSMISSION_MODE 39
550#define DTV_HIERARCHY 40
551
552#define DTV_ISDBT_LAYER_ENABLED 41
553
554#define DTV_STREAM_ID 42
555#define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID
556#define DTV_DVBT2_PLP_ID_LEGACY 43
557
558#define DTV_ENUM_DELSYS 44
559
560/* ATSC-MH */
561#define DTV_ATSCMH_FIC_VER 45
562#define DTV_ATSCMH_PARADE_ID 46
563#define DTV_ATSCMH_NOG 47
564#define DTV_ATSCMH_TNOG 48
565#define DTV_ATSCMH_SGN 49
566#define DTV_ATSCMH_PRC 50
567#define DTV_ATSCMH_RS_FRAME_MODE 51
568#define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52
569#define DTV_ATSCMH_RS_CODE_MODE_PRI 53
570#define DTV_ATSCMH_RS_CODE_MODE_SEC 54
571#define DTV_ATSCMH_SCCC_BLOCK_MODE 55
572#define DTV_ATSCMH_SCCC_CODE_MODE_A 56
573#define DTV_ATSCMH_SCCC_CODE_MODE_B 57
574#define DTV_ATSCMH_SCCC_CODE_MODE_C 58
575#define DTV_ATSCMH_SCCC_CODE_MODE_D 59
576
577#define DTV_INTERLEAVING 60
578#define DTV_LNA 61
579
580/* Quality parameters */
581#define DTV_STAT_SIGNAL_STRENGTH 62
582#define DTV_STAT_CNR 63
583#define DTV_STAT_PRE_ERROR_BIT_COUNT 64
584#define DTV_STAT_PRE_TOTAL_BIT_COUNT 65
585#define DTV_STAT_POST_ERROR_BIT_COUNT 66
586#define DTV_STAT_POST_TOTAL_BIT_COUNT 67
587#define DTV_STAT_ERROR_BLOCK_COUNT 68
588#define DTV_STAT_TOTAL_BLOCK_COUNT 69
589
590/* Physical layer scrambling */
591#define DTV_SCRAMBLING_SEQUENCE_INDEX 70
592
593#define DTV_MAX_COMMAND DTV_SCRAMBLING_SEQUENCE_INDEX
594
595/**
596 * enum fe_pilot - Type of pilot tone
597 *
598 * @PILOT_ON: Pilot tones enabled
599 * @PILOT_OFF: Pilot tones disabled
600 * @PILOT_AUTO: Autodetect pilot tones
601 */
602enum fe_pilot {
603 PILOT_ON,
604 PILOT_OFF,
605 PILOT_AUTO,
606};
607
608/**
609 * enum fe_rolloff - Rolloff factor
610 * @ROLLOFF_35: Roloff factor: α=35%
611 * @ROLLOFF_20: Roloff factor: α=20%
612 * @ROLLOFF_25: Roloff factor: α=25%
613 * @ROLLOFF_AUTO: Auto-detect the roloff factor.
614 * @ROLLOFF_15: Rolloff factor: α=15%
615 * @ROLLOFF_10: Rolloff factor: α=10%
616 * @ROLLOFF_5: Rolloff factor: α=5%
617 *
618 * .. note:
619 *
620 * Roloff factor of 35% is implied on DVB-S. On DVB-S2, it is default.
621 */
622enum fe_rolloff {
623 ROLLOFF_35,
624 ROLLOFF_20,
625 ROLLOFF_25,
626 ROLLOFF_AUTO,
627 ROLLOFF_15,
628 ROLLOFF_10,
629 ROLLOFF_5,
630};
631
632/**
633 * enum fe_delivery_system - Type of the delivery system
634 *
635 * @SYS_UNDEFINED:
636 * Undefined standard. Generally, indicates an error
637 * @SYS_DVBC_ANNEX_A:
638 * Cable TV: DVB-C following ITU-T J.83 Annex A spec
639 * @SYS_DVBC_ANNEX_B:
640 * Cable TV: DVB-C following ITU-T J.83 Annex B spec (ClearQAM)
641 * @SYS_DVBC_ANNEX_C:
642 * Cable TV: DVB-C following ITU-T J.83 Annex C spec
643 * @SYS_DVBC2:
644 * Cable TV: DVB-C2
645 * @SYS_ISDBC:
646 * Cable TV: ISDB-C (no drivers yet)
647 * @SYS_DVBT:
648 * Terrestrial TV: DVB-T
649 * @SYS_DVBT2:
650 * Terrestrial TV: DVB-T2
651 * @SYS_ISDBT:
652 * Terrestrial TV: ISDB-T
653 * @SYS_ATSC:
654 * Terrestrial TV: ATSC
655 * @SYS_ATSCMH:
656 * Terrestrial TV (mobile): ATSC-M/H
657 * @SYS_DTMB:
658 * Terrestrial TV: DTMB
659 * @SYS_DVBS:
660 * Satellite TV: DVB-S
661 * @SYS_DVBS2:
662 * Satellite TV: DVB-S2 and DVB-S2X
663 * @SYS_TURBO:
664 * Satellite TV: DVB-S Turbo
665 * @SYS_ISDBS:
666 * Satellite TV: ISDB-S
667 * @SYS_DAB:
668 * Digital audio: DAB (not fully supported)
669 * @SYS_DSS:
670 * Satellite TV: DSS (not fully supported)
671 * @SYS_CMMB:
672 * Terrestrial TV (mobile): CMMB (not fully supported)
673 * @SYS_DVBH:
674 * Terrestrial TV (mobile): DVB-H (standard deprecated)
675 */
676enum fe_delivery_system {
677 SYS_UNDEFINED,
678 SYS_DVBC_ANNEX_A,
679 SYS_DVBC_ANNEX_B,
680 SYS_DVBT,
681 SYS_DSS,
682 SYS_DVBS,
683 SYS_DVBS2,
684 SYS_DVBH,
685 SYS_ISDBT,
686 SYS_ISDBS,
687 SYS_ISDBC,
688 SYS_ATSC,
689 SYS_ATSCMH,
690 SYS_DTMB,
691 SYS_CMMB,
692 SYS_DAB,
693 SYS_DVBT2,
694 SYS_TURBO,
695 SYS_DVBC_ANNEX_C,
696 SYS_DVBC2,
697};
698
699/* backward compatibility definitions for delivery systems */
700#define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A
701#define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB */
702
703/* ATSC-MH specific parameters */
704
705/**
706 * enum atscmh_sccc_block_mode - Type of Series Concatenated Convolutional
707 * Code Block Mode.
708 *
709 * @ATSCMH_SCCC_BLK_SEP:
710 * Separate SCCC: the SCCC outer code mode shall be set independently
711 * for each Group Region (A, B, C, D)
712 * @ATSCMH_SCCC_BLK_COMB:
713 * Combined SCCC: all four Regions shall have the same SCCC outer
714 * code mode.
715 * @ATSCMH_SCCC_BLK_RES:
716 * Reserved. Shouldn't be used.
717 */
718enum atscmh_sccc_block_mode {
719 ATSCMH_SCCC_BLK_SEP = 0,
720 ATSCMH_SCCC_BLK_COMB = 1,
721 ATSCMH_SCCC_BLK_RES = 2,
722};
723
724/**
725 * enum atscmh_sccc_code_mode - Type of Series Concatenated Convolutional
726 * Code Rate.
727 *
728 * @ATSCMH_SCCC_CODE_HLF:
729 * The outer code rate of a SCCC Block is 1/2 rate.
730 * @ATSCMH_SCCC_CODE_QTR:
731 * The outer code rate of a SCCC Block is 1/4 rate.
732 * @ATSCMH_SCCC_CODE_RES:
733 * Reserved. Should not be used.
734 */
735enum atscmh_sccc_code_mode {
736 ATSCMH_SCCC_CODE_HLF = 0,
737 ATSCMH_SCCC_CODE_QTR = 1,
738 ATSCMH_SCCC_CODE_RES = 2,
739};
740
741/**
742 * enum atscmh_rs_frame_ensemble - Reed Solomon(RS) frame ensemble.
743 *
744 * @ATSCMH_RSFRAME_ENS_PRI: Primary Ensemble.
745 * @ATSCMH_RSFRAME_ENS_SEC: Secondary Ensemble.
746 */
747enum atscmh_rs_frame_ensemble {
748 ATSCMH_RSFRAME_ENS_PRI = 0,
749 ATSCMH_RSFRAME_ENS_SEC = 1,
750};
751
752/**
753 * enum atscmh_rs_frame_mode - Reed Solomon (RS) frame mode.
754 *
755 * @ATSCMH_RSFRAME_PRI_ONLY:
756 * Single Frame: There is only a primary RS Frame for all Group
757 * Regions.
758 * @ATSCMH_RSFRAME_PRI_SEC:
759 * Dual Frame: There are two separate RS Frames: Primary RS Frame for
760 * Group Region A and B and Secondary RS Frame for Group Region C and
761 * D.
762 * @ATSCMH_RSFRAME_RES:
763 * Reserved. Shouldn't be used.
764 */
765enum atscmh_rs_frame_mode {
766 ATSCMH_RSFRAME_PRI_ONLY = 0,
767 ATSCMH_RSFRAME_PRI_SEC = 1,
768 ATSCMH_RSFRAME_RES = 2,
769};
770
771/**
772 * enum atscmh_rs_code_mode - ATSC-M/H Reed Solomon modes
773 * @ATSCMH_RSCODE_211_187: Reed Solomon code (211,187).
774 * @ATSCMH_RSCODE_223_187: Reed Solomon code (223,187).
775 * @ATSCMH_RSCODE_235_187: Reed Solomon code (235,187).
776 * @ATSCMH_RSCODE_RES: Reserved. Shouldn't be used.
777 */
778enum atscmh_rs_code_mode {
779 ATSCMH_RSCODE_211_187 = 0,
780 ATSCMH_RSCODE_223_187 = 1,
781 ATSCMH_RSCODE_235_187 = 2,
782 ATSCMH_RSCODE_RES = 3,
783};
784
785#define NO_STREAM_ID_FILTER (~0U)
786#define LNA_AUTO (~0U)
787
788/**
789 * enum fecap_scale_params - scale types for the quality parameters.
790 *
791 * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That
792 * could indicate a temporary or a permanent
793 * condition.
794 * @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically
795 * used on signal measures.
796 * @FE_SCALE_RELATIVE: The scale is a relative percentual measure,
797 * ranging from 0 (0%) to 0xffff (100%).
798 * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like
799 * bit error, block error, lapsed time.
800 */
801enum fecap_scale_params {
802 FE_SCALE_NOT_AVAILABLE = 0,
803 FE_SCALE_DECIBEL,
804 FE_SCALE_RELATIVE,
805 FE_SCALE_COUNTER
806};
807
808/**
809 * struct dtv_stats - Used for reading a DTV status property
810 *
811 * @scale:
812 * Filled with enum fecap_scale_params - the scale in usage
813 * for that parameter
814 *
815 * @svalue:
816 * integer value of the measure, for %FE_SCALE_DECIBEL,
817 * used for dB measures. The unit is 0.001 dB.
818 *
819 * @uvalue:
820 * unsigned integer value of the measure, used when @scale is
821 * either %FE_SCALE_RELATIVE or %FE_SCALE_COUNTER.
822 *
823 * For most delivery systems, this will return a single value for each
824 * parameter.
825 *
826 * It should be noticed, however, that new OFDM delivery systems like
827 * ISDB can use different modulation types for each group of carriers.
828 * On such standards, up to 8 groups of statistics can be provided, one
829 * for each carrier group (called "layer" on ISDB).
830 *
831 * In order to be consistent with other delivery systems, the first
832 * value refers to the entire set of carriers ("global").
833 *
834 * @scale should use the value %FE_SCALE_NOT_AVAILABLE when
835 * the value for the entire group of carriers or from one specific layer
836 * is not provided by the hardware.
837 *
838 * @len should be filled with the latest filled status + 1.
839 *
840 * In other words, for ISDB, those values should be filled like::
841 *
842 * u.st.stat.svalue[0] = global statistics;
843 * u.st.stat.scale[0] = FE_SCALE_DECIBEL;
844 * u.st.stat.value[1] = layer A statistics;
845 * u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available);
846 * u.st.stat.svalue[2] = layer B statistics;
847 * u.st.stat.scale[2] = FE_SCALE_DECIBEL;
848 * u.st.stat.svalue[3] = layer C statistics;
849 * u.st.stat.scale[3] = FE_SCALE_DECIBEL;
850 * u.st.len = 4;
851 */
852struct dtv_stats {
853 __u8 scale; /* enum fecap_scale_params type */
854 union {
855 __u64 uvalue; /* for counters and relative scales */
856 __s64 svalue; /* for 0.001 dB measures */
857 };
858} __attribute__ ((packed));
859
860
861#define MAX_DTV_STATS 4
862
863/**
864 * struct dtv_fe_stats - store Digital TV frontend statistics
865 *
866 * @len: length of the statistics - if zero, stats is disabled.
867 * @stat: array with digital TV statistics.
868 *
869 * On most standards, @len can either be 0 or 1. However, for ISDB, each
870 * layer is modulated in separate. So, each layer may have its own set
871 * of statistics. If so, stat[0] carries on a global value for the property.
872 * Indexes 1 to 3 means layer A to B.
873 */
874struct dtv_fe_stats {
875 __u8 len;
876 struct dtv_stats stat[MAX_DTV_STATS];
877} __attribute__ ((packed));
878
879/**
880 * struct dtv_property - store one of frontend command and its value
881 *
882 * @cmd: Digital TV command.
883 * @reserved: Not used.
884 * @u: Union with the values for the command.
885 * @u.data: A unsigned 32 bits integer with command value.
886 * @u.buffer: Struct to store bigger properties.
887 * Currently unused.
888 * @u.buffer.data: an unsigned 32-bits array.
889 * @u.buffer.len: number of elements of the buffer.
890 * @u.buffer.reserved1: Reserved.
891 * @u.buffer.reserved2: Reserved.
892 * @u.st: a &struct dtv_fe_stats array of statistics.
893 * @result: Currently unused.
894 *
895 */
896struct dtv_property {
897 __u32 cmd;
898 __u32 reserved[3];
899 union {
900 __u32 data;
901 struct dtv_fe_stats st;
902 struct {
903 __u8 data[32];
904 __u32 len;
905 __u32 reserved1[3];
906 void *reserved2;
907 } buffer;
908 } u;
909 int result;
910} __attribute__ ((packed));
911
912/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
913#define DTV_IOCTL_MAX_MSGS 64
914
915/**
916 * struct dtv_properties - a set of command/value pairs.
917 *
918 * @num: amount of commands stored at the struct.
919 * @props: a pointer to &struct dtv_property.
920 */
921struct dtv_properties {
922 __u32 num;
923 struct dtv_property *props;
924};
925
926/*
927 * When set, this flag will disable any zigzagging or other "normal" tuning
928 * behavior. Additionally, there will be no automatic monitoring of the lock
929 * status, and hence no frontend events will be generated. If a frontend device
930 * is closed, this flag will be automatically turned off when the device is
931 * reopened read-write.
932 */
933#define FE_TUNE_MODE_ONESHOT 0x01
934
935/* Digital TV Frontend API calls */
936
937#define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info)
938
939#define FE_DISEQC_RESET_OVERLOAD _IO('o', 62)
940#define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd)
941#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
942#define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */
943
944#define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */
945#define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */
946#define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */
947
948#define FE_READ_STATUS _IOR('o', 69, fe_status_t)
949#define FE_READ_BER _IOR('o', 70, __u32)
950#define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16)
951#define FE_READ_SNR _IOR('o', 72, __u16)
952#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
953
954#define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */
955#define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event)
956
957#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
958
959#define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties)
960#define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties)
961
962#if defined(__DVB_CORE__) || !defined(__KERNEL__)
963
964/*
965 * DEPRECATED: Everything below is deprecated in favor of DVBv5 API
966 *
967 * The DVBv3 only ioctls, structs and enums should not be used on
968 * newer programs, as it doesn't support the second generation of
969 * digital TV standards, nor supports newer delivery systems.
970 * They also don't support modern frontends with usually support multiple
971 * delivery systems.
972 *
973 * Drivers shouldn't use them.
974 *
975 * New applications should use DVBv5 delivery system instead
976 */
977
978/*
979 */
980
981enum fe_bandwidth {
982 BANDWIDTH_8_MHZ,
983 BANDWIDTH_7_MHZ,
984 BANDWIDTH_6_MHZ,
985 BANDWIDTH_AUTO,
986 BANDWIDTH_5_MHZ,
987 BANDWIDTH_10_MHZ,
988 BANDWIDTH_1_712_MHZ,
989};
990
991/* This is kept for legacy userspace support */
992typedef enum fe_sec_voltage fe_sec_voltage_t;
993typedef enum fe_caps fe_caps_t;
994typedef enum fe_type fe_type_t;
995typedef enum fe_sec_tone_mode fe_sec_tone_mode_t;
996typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t;
997typedef enum fe_status fe_status_t;
998typedef enum fe_spectral_inversion fe_spectral_inversion_t;
999typedef enum fe_code_rate fe_code_rate_t;
1000typedef enum fe_modulation fe_modulation_t;
1001typedef enum fe_transmit_mode fe_transmit_mode_t;
1002typedef enum fe_bandwidth fe_bandwidth_t;
1003typedef enum fe_guard_interval fe_guard_interval_t;
1004typedef enum fe_hierarchy fe_hierarchy_t;
1005typedef enum fe_pilot fe_pilot_t;
1006typedef enum fe_rolloff fe_rolloff_t;
1007typedef enum fe_delivery_system fe_delivery_system_t;
1008
1009/* DVBv3 structs */
1010
1011struct dvb_qpsk_parameters {
1012 __u32 symbol_rate; /* symbol rate in Symbols per second */
1013 fe_code_rate_t fec_inner; /* forward error correction (see above) */
1014};
1015
1016struct dvb_qam_parameters {
1017 __u32 symbol_rate; /* symbol rate in Symbols per second */
1018 fe_code_rate_t fec_inner; /* forward error correction (see above) */
1019 fe_modulation_t modulation; /* modulation type (see above) */
1020};
1021
1022struct dvb_vsb_parameters {
1023 fe_modulation_t modulation; /* modulation type (see above) */
1024};
1025
1026struct dvb_ofdm_parameters {
1027 fe_bandwidth_t bandwidth;
1028 fe_code_rate_t code_rate_HP; /* high priority stream code rate */
1029 fe_code_rate_t code_rate_LP; /* low priority stream code rate */
1030 fe_modulation_t constellation; /* modulation type (see above) */
1031 fe_transmit_mode_t transmission_mode;
1032 fe_guard_interval_t guard_interval;
1033 fe_hierarchy_t hierarchy_information;
1034};
1035
1036struct dvb_frontend_parameters {
1037 __u32 frequency; /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */
1038 /* intermediate frequency in kHz for DVB-S */
1039 fe_spectral_inversion_t inversion;
1040 union {
1041 struct dvb_qpsk_parameters qpsk; /* DVB-S */
1042 struct dvb_qam_parameters qam; /* DVB-C */
1043 struct dvb_ofdm_parameters ofdm; /* DVB-T */
1044 struct dvb_vsb_parameters vsb; /* ATSC */
1045 } u;
1046};
1047
1048struct dvb_frontend_event {
1049 fe_status_t status;
1050 struct dvb_frontend_parameters parameters;
1051};
1052
1053/* DVBv3 API calls */
1054
1055#define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters)
1056#define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters)
1057
1058#endif
1059
1060#endif /*_DVBFRONTEND_H_*/
1061

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source code of linux/include/uapi/linux/dvb/frontend.h