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 */ 57 enum 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 */ 94 enum 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 */ 131 struct 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 */ 158 struct 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 */ 180 struct 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 */ 193 enum 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 */ 205 enum 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 */ 218 enum 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 */ 237 enum 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 */ 261 enum 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 */ 306 enum 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 */ 369 enum 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 */ 419 enum 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 */ 449 enum 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 */ 474 enum 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 */ 491 enum 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 */ 602 enum 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 */ 622 enum 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 */ 676 enum 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 */ 718 enum 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 */ 735 enum 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 */ 747 enum 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 */ 765 enum 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 */ 778 enum 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 */ 801 enum 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 */ 852 struct 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 */ 874 struct 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 */ 896 struct 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 */ 921 struct 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 */ 980 981 enum 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 */ 992 typedef enum fe_sec_voltage fe_sec_voltage_t; 993 typedef enum fe_caps fe_caps_t; 994 typedef enum fe_type fe_type_t; 995 typedef enum fe_sec_tone_mode fe_sec_tone_mode_t; 996 typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t; 997 typedef enum fe_status fe_status_t; 998 typedef enum fe_spectral_inversion fe_spectral_inversion_t; 999 typedef enum fe_code_rate fe_code_rate_t; 1000 typedef enum fe_modulation fe_modulation_t; 1001 typedef enum fe_transmit_mode fe_transmit_mode_t; 1002 typedef enum fe_bandwidth fe_bandwidth_t; 1003 typedef enum fe_guard_interval fe_guard_interval_t; 1004 typedef enum fe_hierarchy fe_hierarchy_t; 1005 typedef enum fe_pilot fe_pilot_t; 1006 typedef enum fe_rolloff fe_rolloff_t; 1007 typedef enum fe_delivery_system fe_delivery_system_t; 1008 1009 /* DVBv3 structs */ 1010 1011 struct 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 1016 struct 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 1022 struct dvb_vsb_parameters { 1023 fe_modulation_t modulation; /* modulation type (see above) */ 1024 }; 1025 1026 struct 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 1036 struct 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 1048 struct 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