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 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU Lesser General Public License 13 * as published by the Free Software Foundation; either version 2.1 14 * of the License, or (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 24 * 25 */ 26 27#ifndef _DVBFRONTEND_H_ 28#define _DVBFRONTEND_H_ 29 30#include <linux/types.h> 31 32/** 33 * enum fe_caps - Frontend capabilities 34 * 35 * @FE_IS_STUPID: There's something wrong at the 36 * frontend, and it can't report its 37 * capabilities. 38 * @FE_CAN_INVERSION_AUTO: Can auto-detect frequency spectral 39 * band inversion 40 * @FE_CAN_FEC_1_2: Supports FEC 1/2 41 * @FE_CAN_FEC_2_3: Supports FEC 2/3 42 * @FE_CAN_FEC_3_4: Supports FEC 3/4 43 * @FE_CAN_FEC_4_5: Supports FEC 4/5 44 * @FE_CAN_FEC_5_6: Supports FEC 5/6 45 * @FE_CAN_FEC_6_7: Supports FEC 6/7 46 * @FE_CAN_FEC_7_8: Supports FEC 7/8 47 * @FE_CAN_FEC_8_9: Supports FEC 8/9 48 * @FE_CAN_FEC_AUTO: Can auto-detect FEC 49 * @FE_CAN_QPSK: Supports QPSK modulation 50 * @FE_CAN_QAM_16: Supports 16-QAM modulation 51 * @FE_CAN_QAM_32: Supports 32-QAM modulation 52 * @FE_CAN_QAM_64: Supports 64-QAM modulation 53 * @FE_CAN_QAM_128: Supports 128-QAM modulation 54 * @FE_CAN_QAM_256: Supports 256-QAM modulation 55 * @FE_CAN_QAM_AUTO: Can auto-detect QAM modulation 56 * @FE_CAN_TRANSMISSION_MODE_AUTO: Can auto-detect transmission mode 57 * @FE_CAN_BANDWIDTH_AUTO: Can auto-detect bandwidth 58 * @FE_CAN_GUARD_INTERVAL_AUTO: Can auto-detect guard interval 59 * @FE_CAN_HIERARCHY_AUTO: Can auto-detect hierarchy 60 * @FE_CAN_8VSB: Supports 8-VSB modulation 61 * @FE_CAN_16VSB: Supporta 16-VSB modulation 62 * @FE_HAS_EXTENDED_CAPS: Unused 63 * @FE_CAN_MULTISTREAM: Supports multistream filtering 64 * @FE_CAN_TURBO_FEC: Supports "turbo FEC" modulation 65 * @FE_CAN_2G_MODULATION: Supports "2nd generation" modulation, 66 * e. g. DVB-S2, DVB-T2, DVB-C2 67 * @FE_NEEDS_BENDING: Unused 68 * @FE_CAN_RECOVER: Can recover from a cable unplug 69 * automatically 70 * @FE_CAN_MUTE_TS: Can stop spurious TS data output 71 */ 72enum fe_caps { 73 FE_IS_STUPID = 0, 74 FE_CAN_INVERSION_AUTO = 0x1, 75 FE_CAN_FEC_1_2 = 0x2, 76 FE_CAN_FEC_2_3 = 0x4, 77 FE_CAN_FEC_3_4 = 0x8, 78 FE_CAN_FEC_4_5 = 0x10, 79 FE_CAN_FEC_5_6 = 0x20, 80 FE_CAN_FEC_6_7 = 0x40, 81 FE_CAN_FEC_7_8 = 0x80, 82 FE_CAN_FEC_8_9 = 0x100, 83 FE_CAN_FEC_AUTO = 0x200, 84 FE_CAN_QPSK = 0x400, 85 FE_CAN_QAM_16 = 0x800, 86 FE_CAN_QAM_32 = 0x1000, 87 FE_CAN_QAM_64 = 0x2000, 88 FE_CAN_QAM_128 = 0x4000, 89 FE_CAN_QAM_256 = 0x8000, 90 FE_CAN_QAM_AUTO = 0x10000, 91 FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000, 92 FE_CAN_BANDWIDTH_AUTO = 0x40000, 93 FE_CAN_GUARD_INTERVAL_AUTO = 0x80000, 94 FE_CAN_HIERARCHY_AUTO = 0x100000, 95 FE_CAN_8VSB = 0x200000, 96 FE_CAN_16VSB = 0x400000, 97 FE_HAS_EXTENDED_CAPS = 0x800000, 98 FE_CAN_MULTISTREAM = 0x4000000, 99 FE_CAN_TURBO_FEC = 0x8000000, 100 FE_CAN_2G_MODULATION = 0x10000000, 101 FE_NEEDS_BENDING = 0x20000000, 102 FE_CAN_RECOVER = 0x40000000, 103 FE_CAN_MUTE_TS = 0x80000000 104}; 105 106/* 107 * DEPRECATED: Should be kept just due to backward compatibility. 108 */ 109enum fe_type { 110 FE_QPSK, 111 FE_QAM, 112 FE_OFDM, 113 FE_ATSC 114}; 115 116/** 117 * struct dvb_frontend_info - Frontend properties and capabilities 118 * 119 * @name: Name of the frontend 120 * @type: **DEPRECATED**. 121 * Should not be used on modern programs, 122 * as a frontend may have more than one type. 123 * In order to get the support types of a given 124 * frontend, use :c:type:`DTV_ENUM_DELSYS` 125 * instead. 126 * @frequency_min: Minimal frequency supported by the frontend. 127 * @frequency_max: Minimal frequency supported by the frontend. 128 * @frequency_stepsize: All frequencies are multiple of this value. 129 * @frequency_tolerance: Frequency tolerance. 130 * @symbol_rate_min: Minimal symbol rate, in bauds 131 * (for Cable/Satellite systems). 132 * @symbol_rate_max: Maximal symbol rate, in bauds 133 * (for Cable/Satellite systems). 134 * @symbol_rate_tolerance: Maximal symbol rate tolerance, in ppm 135 * (for Cable/Satellite systems). 136 * @notifier_delay: **DEPRECATED**. Not used by any driver. 137 * @caps: Capabilities supported by the frontend, 138 * as specified in &enum fe_caps. 139 * 140 * .. note: 141 * 142 * #. The frequencies are specified in Hz for Terrestrial and Cable 143 * systems. 144 * #. The frequencies are specified in kHz for Satellite systems. 145 */ 146struct dvb_frontend_info { 147 char name[128]; 148 enum fe_type type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */ 149 __u32 frequency_min; 150 __u32 frequency_max; 151 __u32 frequency_stepsize; 152 __u32 frequency_tolerance; 153 __u32 symbol_rate_min; 154 __u32 symbol_rate_max; 155 __u32 symbol_rate_tolerance; 156 __u32 notifier_delay; /* DEPRECATED */ 157 enum fe_caps caps; 158}; 159 160/** 161 * struct dvb_diseqc_master_cmd - DiSEqC master command 162 * 163 * @msg: 164 * DiSEqC message to be sent. It contains a 3 bytes header with: 165 * framing + address + command, and an optional argument 166 * of up to 3 bytes of data. 167 * @msg_len: 168 * Length of the DiSEqC message. Valid values are 3 to 6. 169 * 170 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for 171 * the possible messages that can be used. 172 */ 173struct dvb_diseqc_master_cmd { 174 __u8 msg[6]; 175 __u8 msg_len; 176}; 177 178/** 179 * struct dvb_diseqc_slave_reply - DiSEqC received data 180 * 181 * @msg: 182 * DiSEqC message buffer to store a message received via DiSEqC. 183 * It contains one byte header with: framing and 184 * an optional argument of up to 3 bytes of data. 185 * @msg_len: 186 * Length of the DiSEqC message. Valid values are 0 to 4, 187 * where 0 means no message. 188 * @timeout: 189 * Return from ioctl after timeout ms with errorcode when 190 * no message was received. 191 * 192 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for 193 * the possible messages that can be used. 194 */ 195struct dvb_diseqc_slave_reply { 196 __u8 msg[4]; 197 __u8 msg_len; 198 int timeout; 199}; 200 201/** 202 * enum fe_sec_voltage - DC Voltage used to feed the LNBf 203 * 204 * @SEC_VOLTAGE_13: Output 13V to the LNBf 205 * @SEC_VOLTAGE_18: Output 18V to the LNBf 206 * @SEC_VOLTAGE_OFF: Don't feed the LNBf with a DC voltage 207 */ 208enum fe_sec_voltage { 209 SEC_VOLTAGE_13, 210 SEC_VOLTAGE_18, 211 SEC_VOLTAGE_OFF 212}; 213 214/** 215 * enum fe_sec_tone_mode - Type of tone to be send to the LNBf. 216 * @SEC_TONE_ON: Sends a 22kHz tone burst to the antenna. 217 * @SEC_TONE_OFF: Don't send a 22kHz tone to the antenna (except 218 * if the ``FE_DISEQC_*`` ioctls are called). 219 */ 220enum fe_sec_tone_mode { 221 SEC_TONE_ON, 222 SEC_TONE_OFF 223}; 224 225/** 226 * enum fe_sec_mini_cmd - Type of mini burst to be sent 227 * 228 * @SEC_MINI_A: Sends a mini-DiSEqC 22kHz '0' Tone Burst to select 229 * satellite-A 230 * @SEC_MINI_B: Sends a mini-DiSEqC 22kHz '1' Data Burst to select 231 * satellite-B 232 */ 233enum fe_sec_mini_cmd { 234 SEC_MINI_A, 235 SEC_MINI_B 236}; 237 238/** 239 * enum fe_status - Enumerates the possible frontend status. 240 * @FE_NONE: The frontend doesn't have any kind of lock. 241 * That's the initial frontend status 242 * @FE_HAS_SIGNAL: Has found something above the noise level. 243 * @FE_HAS_CARRIER: Has found a signal. 244 * @FE_HAS_VITERBI: FEC inner coding (Viterbi, LDPC or other inner code). 245 * is stable. 246 * @FE_HAS_SYNC: Synchronization bytes was found. 247 * @FE_HAS_LOCK: Digital TV were locked and everything is working. 248 * @FE_TIMEDOUT: Fo lock within the last about 2 seconds. 249 * @FE_REINIT: Frontend was reinitialized, application is recommended 250 * to reset DiSEqC, tone and parameters. 251 */ 252enum fe_status { 253 FE_NONE = 0x00, 254 FE_HAS_SIGNAL = 0x01, 255 FE_HAS_CARRIER = 0x02, 256 FE_HAS_VITERBI = 0x04, 257 FE_HAS_SYNC = 0x08, 258 FE_HAS_LOCK = 0x10, 259 FE_TIMEDOUT = 0x20, 260 FE_REINIT = 0x40, 261}; 262 263/** 264 * enum fe_spectral_inversion - Type of inversion band 265 * 266 * @INVERSION_OFF: Don't do spectral band inversion. 267 * @INVERSION_ON: Do spectral band inversion. 268 * @INVERSION_AUTO: Autodetect spectral band inversion. 269 * 270 * This parameter indicates if spectral inversion should be presumed or 271 * not. In the automatic setting (``INVERSION_AUTO``) the hardware will try 272 * to figure out the correct setting by itself. If the hardware doesn't 273 * support, the %dvb_frontend will try to lock at the carrier first with 274 * inversion off. If it fails, it will try to enable inversion. 275 */ 276enum fe_spectral_inversion { 277 INVERSION_OFF, 278 INVERSION_ON, 279 INVERSION_AUTO 280}; 281 282/** 283 * enum fe_code_rate - Type of Forward Error Correction (FEC) 284 * 285 * 286 * @FEC_NONE: No Forward Error Correction Code 287 * @FEC_1_2: Forward Error Correction Code 1/2 288 * @FEC_2_3: Forward Error Correction Code 2/3 289 * @FEC_3_4: Forward Error Correction Code 3/4 290 * @FEC_4_5: Forward Error Correction Code 4/5 291 * @FEC_5_6: Forward Error Correction Code 5/6 292 * @FEC_6_7: Forward Error Correction Code 6/7 293 * @FEC_7_8: Forward Error Correction Code 7/8 294 * @FEC_8_9: Forward Error Correction Code 8/9 295 * @FEC_AUTO: Autodetect Error Correction Code 296 * @FEC_3_5: Forward Error Correction Code 3/5 297 * @FEC_9_10: Forward Error Correction Code 9/10 298 * @FEC_2_5: Forward Error Correction Code 2/5 299 * 300 * Please note that not all FEC types are supported by a given standard. 301 */ 302enum fe_code_rate { 303 FEC_NONE = 0, 304 FEC_1_2, 305 FEC_2_3, 306 FEC_3_4, 307 FEC_4_5, 308 FEC_5_6, 309 FEC_6_7, 310 FEC_7_8, 311 FEC_8_9, 312 FEC_AUTO, 313 FEC_3_5, 314 FEC_9_10, 315 FEC_2_5, 316}; 317 318/** 319 * enum fe_modulation - Type of modulation/constellation 320 * @QPSK: QPSK modulation 321 * @QAM_16: 16-QAM modulation 322 * @QAM_32: 32-QAM modulation 323 * @QAM_64: 64-QAM modulation 324 * @QAM_128: 128-QAM modulation 325 * @QAM_256: 256-QAM modulation 326 * @QAM_AUTO: Autodetect QAM modulation 327 * @VSB_8: 8-VSB modulation 328 * @VSB_16: 16-VSB modulation 329 * @PSK_8: 8-PSK modulation 330 * @APSK_16: 16-APSK modulation 331 * @APSK_32: 32-APSK modulation 332 * @DQPSK: DQPSK modulation 333 * @QAM_4_NR: 4-QAM-NR modulation 334 * 335 * Please note that not all modulations are supported by a given standard. 336 * 337 */ 338enum fe_modulation { 339 QPSK, 340 QAM_16, 341 QAM_32, 342 QAM_64, 343 QAM_128, 344 QAM_256, 345 QAM_AUTO, 346 VSB_8, 347 VSB_16, 348 PSK_8, 349 APSK_16, 350 APSK_32, 351 DQPSK, 352 QAM_4_NR, 353}; 354 355/** 356 * enum fe_transmit_mode - Transmission mode 357 * 358 * @TRANSMISSION_MODE_AUTO: 359 * Autodetect transmission mode. The hardware will try to find the 360 * correct FFT-size (if capable) to fill in the missing parameters. 361 * @TRANSMISSION_MODE_1K: 362 * Transmission mode 1K 363 * @TRANSMISSION_MODE_2K: 364 * Transmission mode 2K 365 * @TRANSMISSION_MODE_8K: 366 * Transmission mode 8K 367 * @TRANSMISSION_MODE_4K: 368 * Transmission mode 4K 369 * @TRANSMISSION_MODE_16K: 370 * Transmission mode 16K 371 * @TRANSMISSION_MODE_32K: 372 * Transmission mode 32K 373 * @TRANSMISSION_MODE_C1: 374 * Single Carrier (C=1) transmission mode (DTMB only) 375 * @TRANSMISSION_MODE_C3780: 376 * Multi Carrier (C=3780) transmission mode (DTMB only) 377 * 378 * Please note that not all transmission modes are supported by a given 379 * standard. 380 */ 381enum fe_transmit_mode { 382 TRANSMISSION_MODE_2K, 383 TRANSMISSION_MODE_8K, 384 TRANSMISSION_MODE_AUTO, 385 TRANSMISSION_MODE_4K, 386 TRANSMISSION_MODE_1K, 387 TRANSMISSION_MODE_16K, 388 TRANSMISSION_MODE_32K, 389 TRANSMISSION_MODE_C1, 390 TRANSMISSION_MODE_C3780, 391}; 392 393/** 394 * enum fe_guard_interval - Guard interval 395 * 396 * @GUARD_INTERVAL_AUTO: Autodetect the guard interval 397 * @GUARD_INTERVAL_1_128: Guard interval 1/128 398 * @GUARD_INTERVAL_1_32: Guard interval 1/32 399 * @GUARD_INTERVAL_1_16: Guard interval 1/16 400 * @GUARD_INTERVAL_1_8: Guard interval 1/8 401 * @GUARD_INTERVAL_1_4: Guard interval 1/4 402 * @GUARD_INTERVAL_19_128: Guard interval 19/128 403 * @GUARD_INTERVAL_19_256: Guard interval 19/256 404 * @GUARD_INTERVAL_PN420: PN length 420 (1/4) 405 * @GUARD_INTERVAL_PN595: PN length 595 (1/6) 406 * @GUARD_INTERVAL_PN945: PN length 945 (1/9) 407 * 408 * Please note that not all guard intervals are supported by a given standard. 409 */ 410enum fe_guard_interval { 411 GUARD_INTERVAL_1_32, 412 GUARD_INTERVAL_1_16, 413 GUARD_INTERVAL_1_8, 414 GUARD_INTERVAL_1_4, 415 GUARD_INTERVAL_AUTO, 416 GUARD_INTERVAL_1_128, 417 GUARD_INTERVAL_19_128, 418 GUARD_INTERVAL_19_256, 419 GUARD_INTERVAL_PN420, 420 GUARD_INTERVAL_PN595, 421 GUARD_INTERVAL_PN945, 422}; 423 424/** 425 * enum fe_hierarchy - Hierarchy 426 * @HIERARCHY_NONE: No hierarchy 427 * @HIERARCHY_AUTO: Autodetect hierarchy (if supported) 428 * @HIERARCHY_1: Hierarchy 1 429 * @HIERARCHY_2: Hierarchy 2 430 * @HIERARCHY_4: Hierarchy 4 431 * 432 * Please note that not all hierarchy types are supported by a given standard. 433 */ 434enum fe_hierarchy { 435 HIERARCHY_NONE, 436 HIERARCHY_1, 437 HIERARCHY_2, 438 HIERARCHY_4, 439 HIERARCHY_AUTO 440}; 441 442/** 443 * enum fe_interleaving - Interleaving 444 * @INTERLEAVING_NONE: No interleaving. 445 * @INTERLEAVING_AUTO: Auto-detect interleaving. 446 * @INTERLEAVING_240: Interleaving of 240 symbols. 447 * @INTERLEAVING_720: Interleaving of 720 symbols. 448 * 449 * Please note that, currently, only DTMB uses it. 450 */ 451enum fe_interleaving { 452 INTERLEAVING_NONE, 453 INTERLEAVING_AUTO, 454 INTERLEAVING_240, 455 INTERLEAVING_720, 456}; 457 458/* DVBv5 property Commands */ 459 460#define DTV_UNDEFINED 0 461#define DTV_TUNE 1 462#define DTV_CLEAR 2 463#define DTV_FREQUENCY 3 464#define DTV_MODULATION 4 465#define DTV_BANDWIDTH_HZ 5 466#define DTV_INVERSION 6 467#define DTV_DISEQC_MASTER 7 468#define DTV_SYMBOL_RATE 8 469#define DTV_INNER_FEC 9 470#define DTV_VOLTAGE 10 471#define DTV_TONE 11 472#define DTV_PILOT 12 473#define DTV_ROLLOFF 13 474#define DTV_DISEQC_SLAVE_REPLY 14 475 476/* Basic enumeration set for querying unlimited capabilities */ 477#define DTV_FE_CAPABILITY_COUNT 15 478#define DTV_FE_CAPABILITY 16 479#define DTV_DELIVERY_SYSTEM 17 480 481/* ISDB-T and ISDB-Tsb */ 482#define DTV_ISDBT_PARTIAL_RECEPTION 18 483#define DTV_ISDBT_SOUND_BROADCASTING 19 484 485#define DTV_ISDBT_SB_SUBCHANNEL_ID 20 486#define DTV_ISDBT_SB_SEGMENT_IDX 21 487#define DTV_ISDBT_SB_SEGMENT_COUNT 22 488 489#define DTV_ISDBT_LAYERA_FEC 23 490#define DTV_ISDBT_LAYERA_MODULATION 24 491#define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25 492#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26 493 494#define DTV_ISDBT_LAYERB_FEC 27 495#define DTV_ISDBT_LAYERB_MODULATION 28 496#define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29 497#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30 498 499#define DTV_ISDBT_LAYERC_FEC 31 500#define DTV_ISDBT_LAYERC_MODULATION 32 501#define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33 502#define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34 503 504#define DTV_API_VERSION 35 505 506#define DTV_CODE_RATE_HP 36 507#define DTV_CODE_RATE_LP 37 508#define DTV_GUARD_INTERVAL 38 509#define DTV_TRANSMISSION_MODE 39 510#define DTV_HIERARCHY 40 511 512#define DTV_ISDBT_LAYER_ENABLED 41 513 514#define DTV_STREAM_ID 42 515#define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID 516#define DTV_DVBT2_PLP_ID_LEGACY 43 517 518#define DTV_ENUM_DELSYS 44 519 520/* ATSC-MH */ 521#define DTV_ATSCMH_FIC_VER 45 522#define DTV_ATSCMH_PARADE_ID 46 523#define DTV_ATSCMH_NOG 47 524#define DTV_ATSCMH_TNOG 48 525#define DTV_ATSCMH_SGN 49 526#define DTV_ATSCMH_PRC 50 527#define DTV_ATSCMH_RS_FRAME_MODE 51 528#define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52 529#define DTV_ATSCMH_RS_CODE_MODE_PRI 53 530#define DTV_ATSCMH_RS_CODE_MODE_SEC 54 531#define DTV_ATSCMH_SCCC_BLOCK_MODE 55 532#define DTV_ATSCMH_SCCC_CODE_MODE_A 56 533#define DTV_ATSCMH_SCCC_CODE_MODE_B 57 534#define DTV_ATSCMH_SCCC_CODE_MODE_C 58 535#define DTV_ATSCMH_SCCC_CODE_MODE_D 59 536 537#define DTV_INTERLEAVING 60 538#define DTV_LNA 61 539 540/* Quality parameters */ 541#define DTV_STAT_SIGNAL_STRENGTH 62 542#define DTV_STAT_CNR 63 543#define DTV_STAT_PRE_ERROR_BIT_COUNT 64 544#define DTV_STAT_PRE_TOTAL_BIT_COUNT 65 545#define DTV_STAT_POST_ERROR_BIT_COUNT 66 546#define DTV_STAT_POST_TOTAL_BIT_COUNT 67 547#define DTV_STAT_ERROR_BLOCK_COUNT 68 548#define DTV_STAT_TOTAL_BLOCK_COUNT 69 549 550/* Physical layer scrambling */ 551#define DTV_SCRAMBLING_SEQUENCE_INDEX 70 552 553#define DTV_MAX_COMMAND DTV_SCRAMBLING_SEQUENCE_INDEX 554 555/** 556 * enum fe_pilot - Type of pilot tone 557 * 558 * @PILOT_ON: Pilot tones enabled 559 * @PILOT_OFF: Pilot tones disabled 560 * @PILOT_AUTO: Autodetect pilot tones 561 */ 562enum fe_pilot { 563 PILOT_ON, 564 PILOT_OFF, 565 PILOT_AUTO, 566}; 567 568/** 569 * enum fe_rolloff - Rolloff factor 570 * @ROLLOFF_35: Roloff factor: α=35% 571 * @ROLLOFF_20: Roloff factor: α=20% 572 * @ROLLOFF_25: Roloff factor: α=25% 573 * @ROLLOFF_AUTO: Auto-detect the roloff factor. 574 * 575 * .. note: 576 * 577 * Roloff factor of 35% is implied on DVB-S. On DVB-S2, it is default. 578 */ 579enum fe_rolloff { 580 ROLLOFF_35, 581 ROLLOFF_20, 582 ROLLOFF_25, 583 ROLLOFF_AUTO, 584}; 585 586/** 587 * enum fe_delivery_system - Type of the delivery system 588 * 589 * @SYS_UNDEFINED: 590 * Undefined standard. Generally, indicates an error 591 * @SYS_DVBC_ANNEX_A: 592 * Cable TV: DVB-C following ITU-T J.83 Annex A spec 593 * @SYS_DVBC_ANNEX_B: 594 * Cable TV: DVB-C following ITU-T J.83 Annex B spec (ClearQAM) 595 * @SYS_DVBC_ANNEX_C: 596 * Cable TV: DVB-C following ITU-T J.83 Annex C spec 597 * @SYS_ISDBC: 598 * Cable TV: ISDB-C (no drivers yet) 599 * @SYS_DVBT: 600 * Terrestrial TV: DVB-T 601 * @SYS_DVBT2: 602 * Terrestrial TV: DVB-T2 603 * @SYS_ISDBT: 604 * Terrestrial TV: ISDB-T 605 * @SYS_ATSC: 606 * Terrestrial TV: ATSC 607 * @SYS_ATSCMH: 608 * Terrestrial TV (mobile): ATSC-M/H 609 * @SYS_DTMB: 610 * Terrestrial TV: DTMB 611 * @SYS_DVBS: 612 * Satellite TV: DVB-S 613 * @SYS_DVBS2: 614 * Satellite TV: DVB-S2 615 * @SYS_TURBO: 616 * Satellite TV: DVB-S Turbo 617 * @SYS_ISDBS: 618 * Satellite TV: ISDB-S 619 * @SYS_DAB: 620 * Digital audio: DAB (not fully supported) 621 * @SYS_DSS: 622 * Satellite TV: DSS (not fully supported) 623 * @SYS_CMMB: 624 * Terrestrial TV (mobile): CMMB (not fully supported) 625 * @SYS_DVBH: 626 * Terrestrial TV (mobile): DVB-H (standard deprecated) 627 */ 628enum fe_delivery_system { 629 SYS_UNDEFINED, 630 SYS_DVBC_ANNEX_A, 631 SYS_DVBC_ANNEX_B, 632 SYS_DVBT, 633 SYS_DSS, 634 SYS_DVBS, 635 SYS_DVBS2, 636 SYS_DVBH, 637 SYS_ISDBT, 638 SYS_ISDBS, 639 SYS_ISDBC, 640 SYS_ATSC, 641 SYS_ATSCMH, 642 SYS_DTMB, 643 SYS_CMMB, 644 SYS_DAB, 645 SYS_DVBT2, 646 SYS_TURBO, 647 SYS_DVBC_ANNEX_C, 648}; 649 650/* backward compatibility definitions for delivery systems */ 651#define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A 652#define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB */ 653 654/* ATSC-MH specific parameters */ 655 656/** 657 * enum atscmh_sccc_block_mode - Type of Series Concatenated Convolutional 658 * Code Block Mode. 659 * 660 * @ATSCMH_SCCC_BLK_SEP: 661 * Separate SCCC: the SCCC outer code mode shall be set independently 662 * for each Group Region (A, B, C, D) 663 * @ATSCMH_SCCC_BLK_COMB: 664 * Combined SCCC: all four Regions shall have the same SCCC outer 665 * code mode. 666 * @ATSCMH_SCCC_BLK_RES: 667 * Reserved. Shouldn't be used. 668 */ 669enum atscmh_sccc_block_mode { 670 ATSCMH_SCCC_BLK_SEP = 0, 671 ATSCMH_SCCC_BLK_COMB = 1, 672 ATSCMH_SCCC_BLK_RES = 2, 673}; 674 675/** 676 * enum atscmh_sccc_code_mode - Type of Series Concatenated Convolutional 677 * Code Rate. 678 * 679 * @ATSCMH_SCCC_CODE_HLF: 680 * The outer code rate of a SCCC Block is 1/2 rate. 681 * @ATSCMH_SCCC_CODE_QTR: 682 * The outer code rate of a SCCC Block is 1/4 rate. 683 * @ATSCMH_SCCC_CODE_RES: 684 * Reserved. Should not be used. 685 */ 686enum atscmh_sccc_code_mode { 687 ATSCMH_SCCC_CODE_HLF = 0, 688 ATSCMH_SCCC_CODE_QTR = 1, 689 ATSCMH_SCCC_CODE_RES = 2, 690}; 691 692/** 693 * enum atscmh_rs_frame_ensemble - Reed Solomon(RS) frame ensemble. 694 * 695 * @ATSCMH_RSFRAME_ENS_PRI: Primary Ensemble. 696 * @ATSCMH_RSFRAME_ENS_SEC: Secondary Ensemble. 697 */ 698enum atscmh_rs_frame_ensemble { 699 ATSCMH_RSFRAME_ENS_PRI = 0, 700 ATSCMH_RSFRAME_ENS_SEC = 1, 701}; 702 703/** 704 * enum atscmh_rs_frame_mode - Reed Solomon (RS) frame mode. 705 * 706 * @ATSCMH_RSFRAME_PRI_ONLY: 707 * Single Frame: There is only a primary RS Frame for all Group 708 * Regions. 709 * @ATSCMH_RSFRAME_PRI_SEC: 710 * Dual Frame: There are two separate RS Frames: Primary RS Frame for 711 * Group Region A and B and Secondary RS Frame for Group Region C and 712 * D. 713 * @ATSCMH_RSFRAME_RES: 714 * Reserved. Shouldn't be used. 715 */ 716enum atscmh_rs_frame_mode { 717 ATSCMH_RSFRAME_PRI_ONLY = 0, 718 ATSCMH_RSFRAME_PRI_SEC = 1, 719 ATSCMH_RSFRAME_RES = 2, 720}; 721 722/** 723 * enum atscmh_rs_code_mode 724 * @ATSCMH_RSCODE_211_187: Reed Solomon code (211,187). 725 * @ATSCMH_RSCODE_223_187: Reed Solomon code (223,187). 726 * @ATSCMH_RSCODE_235_187: Reed Solomon code (235,187). 727 * @ATSCMH_RSCODE_RES: Reserved. Shouldn't be used. 728 */ 729enum atscmh_rs_code_mode { 730 ATSCMH_RSCODE_211_187 = 0, 731 ATSCMH_RSCODE_223_187 = 1, 732 ATSCMH_RSCODE_235_187 = 2, 733 ATSCMH_RSCODE_RES = 3, 734}; 735 736#define NO_STREAM_ID_FILTER (~0U) 737#define LNA_AUTO (~0U) 738 739/** 740 * enum fecap_scale_params - scale types for the quality parameters. 741 * 742 * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That 743 * could indicate a temporary or a permanent 744 * condition. 745 * @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically 746 * used on signal measures. 747 * @FE_SCALE_RELATIVE: The scale is a relative percentual measure, 748 * ranging from 0 (0%) to 0xffff (100%). 749 * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like 750 * bit error, block error, lapsed time. 751 */ 752enum fecap_scale_params { 753 FE_SCALE_NOT_AVAILABLE = 0, 754 FE_SCALE_DECIBEL, 755 FE_SCALE_RELATIVE, 756 FE_SCALE_COUNTER 757}; 758 759/** 760 * struct dtv_stats - Used for reading a DTV status property 761 * 762 * @scale: 763 * Filled with enum fecap_scale_params - the scale in usage 764 * for that parameter 765 * 766 * @svalue: 767 * integer value of the measure, for %FE_SCALE_DECIBEL, 768 * used for dB measures. The unit is 0.001 dB. 769 * 770 * @uvalue: 771 * unsigned integer value of the measure, used when @scale is 772 * either %FE_SCALE_RELATIVE or %FE_SCALE_COUNTER. 773 * 774 * For most delivery systems, this will return a single value for each 775 * parameter. 776 * 777 * It should be noticed, however, that new OFDM delivery systems like 778 * ISDB can use different modulation types for each group of carriers. 779 * On such standards, up to 8 groups of statistics can be provided, one 780 * for each carrier group (called "layer" on ISDB). 781 * 782 * In order to be consistent with other delivery systems, the first 783 * value refers to the entire set of carriers ("global"). 784 * 785 * @scale should use the value %FE_SCALE_NOT_AVAILABLE when 786 * the value for the entire group of carriers or from one specific layer 787 * is not provided by the hardware. 788 * 789 * @len should be filled with the latest filled status + 1. 790 * 791 * In other words, for ISDB, those values should be filled like:: 792 * 793 * u.st.stat.svalue[0] = global statistics; 794 * u.st.stat.scale[0] = FE_SCALE_DECIBEL; 795 * u.st.stat.value[1] = layer A statistics; 796 * u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available); 797 * u.st.stat.svalue[2] = layer B statistics; 798 * u.st.stat.scale[2] = FE_SCALE_DECIBEL; 799 * u.st.stat.svalue[3] = layer C statistics; 800 * u.st.stat.scale[3] = FE_SCALE_DECIBEL; 801 * u.st.len = 4; 802 */ 803struct dtv_stats { 804 __u8 scale; /* enum fecap_scale_params type */ 805 union { 806 __u64 uvalue; /* for counters and relative scales */ 807 __s64 svalue; /* for 0.001 dB measures */ 808 }; 809} __attribute__ ((packed)); 810 811 812#define MAX_DTV_STATS 4 813 814/** 815 * struct dtv_fe_stats - store Digital TV frontend statistics 816 * 817 * @len: length of the statistics - if zero, stats is disabled. 818 * @stat: array with digital TV statistics. 819 * 820 * On most standards, @len can either be 0 or 1. However, for ISDB, each 821 * layer is modulated in separate. So, each layer may have its own set 822 * of statistics. If so, stat[0] carries on a global value for the property. 823 * Indexes 1 to 3 means layer A to B. 824 */ 825struct dtv_fe_stats { 826 __u8 len; 827 struct dtv_stats stat[MAX_DTV_STATS]; 828} __attribute__ ((packed)); 829 830/** 831 * struct dtv_property - store one of frontend command and its value 832 * 833 * @cmd: Digital TV command. 834 * @reserved: Not used. 835 * @u: Union with the values for the command. 836 * @u.data: A unsigned 32 bits integer with command value. 837 * @u.buffer: Struct to store bigger properties. 838 * Currently unused. 839 * @u.buffer.data: an unsigned 32-bits array. 840 * @u.buffer.len: number of elements of the buffer. 841 * @u.buffer.reserved1: Reserved. 842 * @u.buffer.reserved2: Reserved. 843 * @u.st: a &struct dtv_fe_stats array of statistics. 844 * @result: Currently unused. 845 * 846 */ 847struct dtv_property { 848 __u32 cmd; 849 __u32 reserved[3]; 850 union { 851 __u32 data; 852 struct dtv_fe_stats st; 853 struct { 854 __u8 data[32]; 855 __u32 len; 856 __u32 reserved1[3]; 857 void *reserved2; 858 } buffer; 859 } u; 860 int result; 861} __attribute__ ((packed)); 862 863/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ 864#define DTV_IOCTL_MAX_MSGS 64 865 866/** 867 * struct dtv_properties - a set of command/value pairs. 868 * 869 * @num: amount of commands stored at the struct. 870 * @props: a pointer to &struct dtv_property. 871 */ 872struct dtv_properties { 873 __u32 num; 874 struct dtv_property *props; 875}; 876 877/* 878 * When set, this flag will disable any zigzagging or other "normal" tuning 879 * behavior. Additionally, there will be no automatic monitoring of the lock 880 * status, and hence no frontend events will be generated. If a frontend device 881 * is closed, this flag will be automatically turned off when the device is 882 * reopened read-write. 883 */ 884#define FE_TUNE_MODE_ONESHOT 0x01 885 886/* Digital TV Frontend API calls */ 887 888#define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info) 889 890#define FE_DISEQC_RESET_OVERLOAD _IO('o', 62) 891#define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd) 892#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply) 893#define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */ 894 895#define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */ 896#define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */ 897#define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */ 898 899#define FE_READ_STATUS _IOR('o', 69, fe_status_t) 900#define FE_READ_BER _IOR('o', 70, __u32) 901#define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16) 902#define FE_READ_SNR _IOR('o', 72, __u16) 903#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32) 904 905#define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */ 906#define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event) 907 908#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */ 909 910#define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties) 911#define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties) 912 913#if defined(__DVB_CORE__) || !defined(__KERNEL__) 914 915/* 916 * DEPRECATED: Everything below is deprecated in favor of DVBv5 API 917 * 918 * The DVBv3 only ioctls, structs and enums should not be used on 919 * newer programs, as it doesn't support the second generation of 920 * digital TV standards, nor supports newer delivery systems. 921 * They also don't support modern frontends with usually support multiple 922 * delivery systems. 923 * 924 * Drivers shouldn't use them. 925 * 926 * New applications should use DVBv5 delivery system instead 927 */ 928 929/* 930 */ 931 932enum fe_bandwidth { 933 BANDWIDTH_8_MHZ, 934 BANDWIDTH_7_MHZ, 935 BANDWIDTH_6_MHZ, 936 BANDWIDTH_AUTO, 937 BANDWIDTH_5_MHZ, 938 BANDWIDTH_10_MHZ, 939 BANDWIDTH_1_712_MHZ, 940}; 941 942/* This is kept for legacy userspace support */ 943typedef enum fe_sec_voltage fe_sec_voltage_t; 944typedef enum fe_caps fe_caps_t; 945typedef enum fe_type fe_type_t; 946typedef enum fe_sec_tone_mode fe_sec_tone_mode_t; 947typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t; 948typedef enum fe_status fe_status_t; 949typedef enum fe_spectral_inversion fe_spectral_inversion_t; 950typedef enum fe_code_rate fe_code_rate_t; 951typedef enum fe_modulation fe_modulation_t; 952typedef enum fe_transmit_mode fe_transmit_mode_t; 953typedef enum fe_bandwidth fe_bandwidth_t; 954typedef enum fe_guard_interval fe_guard_interval_t; 955typedef enum fe_hierarchy fe_hierarchy_t; 956typedef enum fe_pilot fe_pilot_t; 957typedef enum fe_rolloff fe_rolloff_t; 958typedef enum fe_delivery_system fe_delivery_system_t; 959 960/* DVBv3 structs */ 961 962struct dvb_qpsk_parameters { 963 __u32 symbol_rate; /* symbol rate in Symbols per second */ 964 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 965}; 966 967struct dvb_qam_parameters { 968 __u32 symbol_rate; /* symbol rate in Symbols per second */ 969 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 970 fe_modulation_t modulation; /* modulation type (see above) */ 971}; 972 973struct dvb_vsb_parameters { 974 fe_modulation_t modulation; /* modulation type (see above) */ 975}; 976 977struct dvb_ofdm_parameters { 978 fe_bandwidth_t bandwidth; 979 fe_code_rate_t code_rate_HP; /* high priority stream code rate */ 980 fe_code_rate_t code_rate_LP; /* low priority stream code rate */ 981 fe_modulation_t constellation; /* modulation type (see above) */ 982 fe_transmit_mode_t transmission_mode; 983 fe_guard_interval_t guard_interval; 984 fe_hierarchy_t hierarchy_information; 985}; 986 987struct dvb_frontend_parameters { 988 __u32 frequency; /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */ 989 /* intermediate frequency in kHz for DVB-S */ 990 fe_spectral_inversion_t inversion; 991 union { 992 struct dvb_qpsk_parameters qpsk; /* DVB-S */ 993 struct dvb_qam_parameters qam; /* DVB-C */ 994 struct dvb_ofdm_parameters ofdm; /* DVB-T */ 995 struct dvb_vsb_parameters vsb; /* ATSC */ 996 } u; 997}; 998 999struct dvb_frontend_event { 1000 fe_status_t status;
1001 struct dvb_frontend_parameters parameters; 1002}; 1003 1004/* DVBv3 API calls */ 1005 1006#define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters) 1007#define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters) 1008 1009#endif 1010 1011#endif /*_DVBFRONTEND_H_*/ 1012