1 /* 2 * frontend.h 3 * 4 * Copyright (C) 2000 Marcus Metzler <marcus (at) convergence.de> 5 * Ralph Metzler <ralph (at) convergence.de> 6 * Holger Waechtler <holger (at) convergence.de> 7 * Andre Draszik <ad (at) convergence.de> 8 * for convergence integrated media GmbH 9 * 10 * This program is free software; you can redistribute it and/or 11 * modify it under the terms of the GNU Lesser General Public License 12 * as published by the Free Software Foundation; either version 2.1 13 * of the License, or (at your option) any later version. 14 * 15 * This program is distributed in the hope that it will be useful, 16 * but WITHOUT ANY WARRANTY; without even the implied warranty of 17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 * GNU General Public License for more details. 19 * 20 * You should have received a copy of the GNU Lesser General Public License 21 * along with this program; if not, write to the Free Software 22 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 23 * 24 */ 25 26 #ifndef _DVBFRONTEND_H_ 27 #define _DVBFRONTEND_H_ 28 29 #include <linux/types.h> 30 31 typedef enum fe_type { 32 FE_QPSK, 33 FE_QAM, 34 FE_OFDM, 35 FE_ATSC 36 } fe_type_t; 37 38 39 typedef enum fe_caps { 40 FE_IS_STUPID = 0, 41 FE_CAN_INVERSION_AUTO = 0x1, 42 FE_CAN_FEC_1_2 = 0x2, 43 FE_CAN_FEC_2_3 = 0x4, 44 FE_CAN_FEC_3_4 = 0x8, 45 FE_CAN_FEC_4_5 = 0x10, 46 FE_CAN_FEC_5_6 = 0x20, 47 FE_CAN_FEC_6_7 = 0x40, 48 FE_CAN_FEC_7_8 = 0x80, 49 FE_CAN_FEC_8_9 = 0x100, 50 FE_CAN_FEC_AUTO = 0x200, 51 FE_CAN_QPSK = 0x400, 52 FE_CAN_QAM_16 = 0x800, 53 FE_CAN_QAM_32 = 0x1000, 54 FE_CAN_QAM_64 = 0x2000, 55 FE_CAN_QAM_128 = 0x4000, 56 FE_CAN_QAM_256 = 0x8000, 57 FE_CAN_QAM_AUTO = 0x10000, 58 FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000, 59 FE_CAN_BANDWIDTH_AUTO = 0x40000, 60 FE_CAN_GUARD_INTERVAL_AUTO = 0x80000, 61 FE_CAN_HIERARCHY_AUTO = 0x100000, 62 FE_CAN_8VSB = 0x200000, 63 FE_CAN_16VSB = 0x400000, 64 FE_HAS_EXTENDED_CAPS = 0x800000, /* We need more bitspace for newer APIs, indicate this. */ 65 FE_CAN_MULTISTREAM = 0x4000000, /* frontend supports multistream filtering */ 66 FE_CAN_TURBO_FEC = 0x8000000, /* frontend supports "turbo fec modulation" */ 67 FE_CAN_2G_MODULATION = 0x10000000, /* frontend supports "2nd generation modulation" (DVB-S2) */ 68 FE_NEEDS_BENDING = 0x20000000, /* not supported anymore, don't use (frontend requires frequency bending) */ 69 FE_CAN_RECOVER = 0x40000000, /* frontend can recover from a cable unplug automatically */ 70 FE_CAN_MUTE_TS = 0x80000000 /* frontend can stop spurious TS data output */ 71 } fe_caps_t; 72 73 74 struct dvb_frontend_info { 75 char name[128]; 76 fe_type_t type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */ 77 __u32 frequency_min; 78 __u32 frequency_max; 79 __u32 frequency_stepsize; 80 __u32 frequency_tolerance; 81 __u32 symbol_rate_min; 82 __u32 symbol_rate_max; 83 __u32 symbol_rate_tolerance; /* ppm */ 84 __u32 notifier_delay; /* DEPRECATED */ 85 fe_caps_t caps; 86 }; 87 88 89 /** 90 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for 91 * the meaning of this struct... 92 */ 93 struct dvb_diseqc_master_cmd { 94 __u8 msg [6]; /* { framing, address, command, data [3] } */ 95 __u8 msg_len; /* valid values are 3...6 */ 96 }; 97 98 99 struct dvb_diseqc_slave_reply { 100 __u8 msg [4]; /* { framing, data [3] } */ 101 __u8 msg_len; /* valid values are 0...4, 0 means no msg */ 102 int timeout; /* return from ioctl after timeout ms with */ 103 }; /* errorcode when no message was received */ 104 105 106 typedef enum fe_sec_voltage { 107 SEC_VOLTAGE_13, 108 SEC_VOLTAGE_18, 109 SEC_VOLTAGE_OFF 110 } fe_sec_voltage_t; 111 112 113 typedef enum fe_sec_tone_mode { 114 SEC_TONE_ON, 115 SEC_TONE_OFF 116 } fe_sec_tone_mode_t; 117 118 119 typedef enum fe_sec_mini_cmd { 120 SEC_MINI_A, 121 SEC_MINI_B 122 } fe_sec_mini_cmd_t; 123 124 125 /** 126 * enum fe_status - enumerates the possible frontend status 127 * @FE_HAS_SIGNAL: found something above the noise level 128 * @FE_HAS_CARRIER: found a DVB signal 129 * @FE_HAS_VITERBI: FEC is stable 130 * @FE_HAS_SYNC: found sync bytes 131 * @FE_HAS_LOCK: everything's working 132 * @FE_TIMEDOUT: no lock within the last ~2 seconds 133 * @FE_REINIT: frontend was reinitialized, application is recommended 134 * to reset DiSEqC, tone and parameters 135 */ 136 137 typedef enum fe_status { 138 FE_HAS_SIGNAL = 0x01, 139 FE_HAS_CARRIER = 0x02, 140 FE_HAS_VITERBI = 0x04, 141 FE_HAS_SYNC = 0x08, 142 FE_HAS_LOCK = 0x10, 143 FE_TIMEDOUT = 0x20, 144 FE_REINIT = 0x40, 145 } fe_status_t; 146 147 typedef enum fe_spectral_inversion { 148 INVERSION_OFF, 149 INVERSION_ON, 150 INVERSION_AUTO 151 } fe_spectral_inversion_t; 152 153 154 typedef enum fe_code_rate { 155 FEC_NONE = 0, 156 FEC_1_2, 157 FEC_2_3, 158 FEC_3_4, 159 FEC_4_5, 160 FEC_5_6, 161 FEC_6_7, 162 FEC_7_8, 163 FEC_8_9, 164 FEC_AUTO, 165 FEC_3_5, 166 FEC_9_10, 167 FEC_2_5, 168 } fe_code_rate_t; 169 170 171 typedef enum fe_modulation { 172 QPSK, 173 QAM_16, 174 QAM_32, 175 QAM_64, 176 QAM_128, 177 QAM_256, 178 QAM_AUTO, 179 VSB_8, 180 VSB_16, 181 PSK_8, 182 APSK_16, 183 APSK_32, 184 DQPSK, 185 QAM_4_NR, 186 } fe_modulation_t; 187 188 typedef enum fe_transmit_mode { 189 TRANSMISSION_MODE_2K, 190 TRANSMISSION_MODE_8K, 191 TRANSMISSION_MODE_AUTO, 192 TRANSMISSION_MODE_4K, 193 TRANSMISSION_MODE_1K, 194 TRANSMISSION_MODE_16K, 195 TRANSMISSION_MODE_32K, 196 TRANSMISSION_MODE_C1, 197 TRANSMISSION_MODE_C3780, 198 } fe_transmit_mode_t; 199 200 #if defined(__DVB_CORE__) || !defined (__KERNEL__) 201 typedef enum fe_bandwidth { 202 BANDWIDTH_8_MHZ, 203 BANDWIDTH_7_MHZ, 204 BANDWIDTH_6_MHZ, 205 BANDWIDTH_AUTO, 206 BANDWIDTH_5_MHZ, 207 BANDWIDTH_10_MHZ, 208 BANDWIDTH_1_712_MHZ, 209 } fe_bandwidth_t; 210 #endif 211 212 typedef enum fe_guard_interval { 213 GUARD_INTERVAL_1_32, 214 GUARD_INTERVAL_1_16, 215 GUARD_INTERVAL_1_8, 216 GUARD_INTERVAL_1_4, 217 GUARD_INTERVAL_AUTO, 218 GUARD_INTERVAL_1_128, 219 GUARD_INTERVAL_19_128, 220 GUARD_INTERVAL_19_256, 221 GUARD_INTERVAL_PN420, 222 GUARD_INTERVAL_PN595, 223 GUARD_INTERVAL_PN945, 224 } fe_guard_interval_t; 225 226 227 typedef enum fe_hierarchy { 228 HIERARCHY_NONE, 229 HIERARCHY_1, 230 HIERARCHY_2, 231 HIERARCHY_4, 232 HIERARCHY_AUTO 233 } fe_hierarchy_t; 234 235 enum fe_interleaving { 236 INTERLEAVING_NONE, 237 INTERLEAVING_AUTO, 238 INTERLEAVING_240, 239 INTERLEAVING_720, 240 }; 241 242 #if defined(__DVB_CORE__) || !defined (__KERNEL__) 243 struct dvb_qpsk_parameters { 244 __u32 symbol_rate; /* symbol rate in Symbols per second */ 245 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 246 }; 247 248 struct dvb_qam_parameters { 249 __u32 symbol_rate; /* symbol rate in Symbols per second */ 250 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 251 fe_modulation_t modulation; /* modulation type (see above) */ 252 }; 253 254 struct dvb_vsb_parameters { 255 fe_modulation_t modulation; /* modulation type (see above) */ 256 }; 257 258 struct dvb_ofdm_parameters { 259 fe_bandwidth_t bandwidth; 260 fe_code_rate_t code_rate_HP; /* high priority stream code rate */ 261 fe_code_rate_t code_rate_LP; /* low priority stream code rate */ 262 fe_modulation_t constellation; /* modulation type (see above) */ 263 fe_transmit_mode_t transmission_mode; 264 fe_guard_interval_t guard_interval; 265 fe_hierarchy_t hierarchy_information; 266 }; 267 268 269 struct dvb_frontend_parameters { 270 __u32 frequency; /* (absolute) frequency in Hz for QAM/OFDM/ATSC */ 271 /* intermediate frequency in kHz for QPSK */ 272 fe_spectral_inversion_t inversion; 273 union { 274 struct dvb_qpsk_parameters qpsk; 275 struct dvb_qam_parameters qam; 276 struct dvb_ofdm_parameters ofdm; 277 struct dvb_vsb_parameters vsb; 278 } u; 279 }; 280 281 struct dvb_frontend_event { 282 fe_status_t status; 283 struct dvb_frontend_parameters parameters; 284 }; 285 #endif 286 287 /* S2API Commands */ 288 #define DTV_UNDEFINED 0 289 #define DTV_TUNE 1 290 #define DTV_CLEAR 2 291 #define DTV_FREQUENCY 3 292 #define DTV_MODULATION 4 293 #define DTV_BANDWIDTH_HZ 5 294 #define DTV_INVERSION 6 295 #define DTV_DISEQC_MASTER 7 296 #define DTV_SYMBOL_RATE 8 297 #define DTV_INNER_FEC 9 298 #define DTV_VOLTAGE 10 299 #define DTV_TONE 11 300 #define DTV_PILOT 12 301 #define DTV_ROLLOFF 13 302 #define DTV_DISEQC_SLAVE_REPLY 14 303 304 /* Basic enumeration set for querying unlimited capabilities */ 305 #define DTV_FE_CAPABILITY_COUNT 15 306 #define DTV_FE_CAPABILITY 16 307 #define DTV_DELIVERY_SYSTEM 17 308 309 /* ISDB-T and ISDB-Tsb */ 310 #define DTV_ISDBT_PARTIAL_RECEPTION 18 311 #define DTV_ISDBT_SOUND_BROADCASTING 19 312 313 #define DTV_ISDBT_SB_SUBCHANNEL_ID 20 314 #define DTV_ISDBT_SB_SEGMENT_IDX 21 315 #define DTV_ISDBT_SB_SEGMENT_COUNT 22 316 317 #define DTV_ISDBT_LAYERA_FEC 23 318 #define DTV_ISDBT_LAYERA_MODULATION 24 319 #define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25 320 #define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26 321 322 #define DTV_ISDBT_LAYERB_FEC 27 323 #define DTV_ISDBT_LAYERB_MODULATION 28 324 #define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29 325 #define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30 326 327 #define DTV_ISDBT_LAYERC_FEC 31 328 #define DTV_ISDBT_LAYERC_MODULATION 32 329 #define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33 330 #define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34 331 332 #define DTV_API_VERSION 35 333 334 #define DTV_CODE_RATE_HP 36 335 #define DTV_CODE_RATE_LP 37 336 #define DTV_GUARD_INTERVAL 38 337 #define DTV_TRANSMISSION_MODE 39 338 #define DTV_HIERARCHY 40 339 340 #define DTV_ISDBT_LAYER_ENABLED 41 341 342 #define DTV_STREAM_ID 42 343 #define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID 344 #define DTV_DVBT2_PLP_ID_LEGACY 43 345 346 #define DTV_ENUM_DELSYS 44 347 348 /* ATSC-MH */ 349 #define DTV_ATSCMH_FIC_VER 45 350 #define DTV_ATSCMH_PARADE_ID 46 351 #define DTV_ATSCMH_NOG 47 352 #define DTV_ATSCMH_TNOG 48 353 #define DTV_ATSCMH_SGN 49 354 #define DTV_ATSCMH_PRC 50 355 #define DTV_ATSCMH_RS_FRAME_MODE 51 356 #define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52 357 #define DTV_ATSCMH_RS_CODE_MODE_PRI 53 358 #define DTV_ATSCMH_RS_CODE_MODE_SEC 54 359 #define DTV_ATSCMH_SCCC_BLOCK_MODE 55 360 #define DTV_ATSCMH_SCCC_CODE_MODE_A 56 361 #define DTV_ATSCMH_SCCC_CODE_MODE_B 57 362 #define DTV_ATSCMH_SCCC_CODE_MODE_C 58 363 #define DTV_ATSCMH_SCCC_CODE_MODE_D 59 364 365 #define DTV_INTERLEAVING 60 366 #define DTV_LNA 61 367 368 /* Quality parameters */ 369 #define DTV_STAT_SIGNAL_STRENGTH 62 370 #define DTV_STAT_CNR 63 371 #define DTV_STAT_PRE_ERROR_BIT_COUNT 64 372 #define DTV_STAT_PRE_TOTAL_BIT_COUNT 65 373 #define DTV_STAT_POST_ERROR_BIT_COUNT 66 374 #define DTV_STAT_POST_TOTAL_BIT_COUNT 67 375 #define DTV_STAT_ERROR_BLOCK_COUNT 68 376 #define DTV_STAT_TOTAL_BLOCK_COUNT 69 377 378 #define DTV_MAX_COMMAND DTV_STAT_TOTAL_BLOCK_COUNT 379 380 typedef enum fe_pilot { 381 PILOT_ON, 382 PILOT_OFF, 383 PILOT_AUTO, 384 } fe_pilot_t; 385 386 typedef enum fe_rolloff { 387 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */ 388 ROLLOFF_20, 389 ROLLOFF_25, 390 ROLLOFF_AUTO, 391 } fe_rolloff_t; 392 393 typedef enum fe_delivery_system { 394 SYS_UNDEFINED, 395 SYS_DVBC_ANNEX_A, 396 SYS_DVBC_ANNEX_B, 397 SYS_DVBT, 398 SYS_DSS, 399 SYS_DVBS, 400 SYS_DVBS2, 401 SYS_DVBH, 402 SYS_ISDBT, 403 SYS_ISDBS, 404 SYS_ISDBC, 405 SYS_ATSC, 406 SYS_ATSCMH, 407 SYS_DTMB, 408 SYS_CMMB, 409 SYS_DAB, 410 SYS_DVBT2, 411 SYS_TURBO, 412 SYS_DVBC_ANNEX_C, 413 } fe_delivery_system_t; 414 415 /* backward compatibility */ 416 #define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A 417 #define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB instead */ 418 419 /* ATSC-MH */ 420 421 enum atscmh_sccc_block_mode { 422 ATSCMH_SCCC_BLK_SEP = 0, 423 ATSCMH_SCCC_BLK_COMB = 1, 424 ATSCMH_SCCC_BLK_RES = 2, 425 }; 426 427 enum atscmh_sccc_code_mode { 428 ATSCMH_SCCC_CODE_HLF = 0, 429 ATSCMH_SCCC_CODE_QTR = 1, 430 ATSCMH_SCCC_CODE_RES = 2, 431 }; 432 433 enum atscmh_rs_frame_ensemble { 434 ATSCMH_RSFRAME_ENS_PRI = 0, 435 ATSCMH_RSFRAME_ENS_SEC = 1, 436 }; 437 438 enum atscmh_rs_frame_mode { 439 ATSCMH_RSFRAME_PRI_ONLY = 0, 440 ATSCMH_RSFRAME_PRI_SEC = 1, 441 ATSCMH_RSFRAME_RES = 2, 442 }; 443 444 enum atscmh_rs_code_mode { 445 ATSCMH_RSCODE_211_187 = 0, 446 ATSCMH_RSCODE_223_187 = 1, 447 ATSCMH_RSCODE_235_187 = 2, 448 ATSCMH_RSCODE_RES = 3, 449 }; 450 451 #define NO_STREAM_ID_FILTER (~0U) 452 #define LNA_AUTO (~0U) 453 454 struct dtv_cmds_h { 455 char *name; /* A display name for debugging purposes */ 456 457 __u32 cmd; /* A unique ID */ 458 459 /* Flags */ 460 __u32 set:1; /* Either a set or get property */ 461 __u32 buffer:1; /* Does this property use the buffer? */ 462 __u32 reserved:30; /* Align */ 463 }; 464 465 /** 466 * Scale types for the quality parameters. 467 * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That 468 * could indicate a temporary or a permanent 469 * condition. 470 * @FE_SCALE_DECIBEL: The scale is measured in 0.0001 dB steps, typically 471 * used on signal measures. 472 * @FE_SCALE_RELATIVE: The scale is a relative percentual measure, 473 * ranging from 0 (0%) to 0xffff (100%). 474 * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like 475 * bit error, block error, lapsed time. 476 */ 477 enum fecap_scale_params { 478 FE_SCALE_NOT_AVAILABLE = 0, 479 FE_SCALE_DECIBEL, 480 FE_SCALE_RELATIVE, 481 FE_SCALE_COUNTER 482 }; 483 484 /** 485 * struct dtv_stats - Used for reading a DTV status property 486 * 487 * @value: value of the measure. Should range from 0 to 0xffff; 488 * @scale: Filled with enum fecap_scale_params - the scale 489 * in usage for that parameter 490 * 491 * For most delivery systems, this will return a single value for each 492 * parameter. 493 * It should be noticed, however, that new OFDM delivery systems like 494 * ISDB can use different modulation types for each group of carriers. 495 * On such standards, up to 8 groups of statistics can be provided, one 496 * for each carrier group (called "layer" on ISDB). 497 * In order to be consistent with other delivery systems, the first 498 * value refers to the entire set of carriers ("global"). 499 * dtv_status:scale should use the value FE_SCALE_NOT_AVAILABLE when 500 * the value for the entire group of carriers or from one specific layer 501 * is not provided by the hardware. 502 * st.len should be filled with the latest filled status + 1. 503 * 504 * In other words, for ISDB, those values should be filled like: 505 * u.st.stat.svalue[0] = global statistics; 506 * u.st.stat.scale[0] = FE_SCALE_DECIBELS; 507 * u.st.stat.value[1] = layer A statistics; 508 * u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available); 509 * u.st.stat.svalue[2] = layer B statistics; 510 * u.st.stat.scale[2] = FE_SCALE_DECIBELS; 511 * u.st.stat.svalue[3] = layer C statistics; 512 * u.st.stat.scale[3] = FE_SCALE_DECIBELS; 513 * u.st.len = 4; 514 */ 515 struct dtv_stats { 516 __u8 scale; /* enum fecap_scale_params type */ 517 union { 518 __u64 uvalue; /* for counters and relative scales */ 519 __s64 svalue; /* for 0.0001 dB measures */ 520 }; 521 } __attribute__ ((packed)); 522 523 524 #define MAX_DTV_STATS 4 525 526 struct dtv_fe_stats { 527 __u8 len; 528 struct dtv_stats stat[MAX_DTV_STATS]; 529 } __attribute__ ((packed)); 530 531 struct dtv_property { 532 __u32 cmd; 533 __u32 reserved[3]; 534 union { 535 __u32 data; 536 struct dtv_fe_stats st; 537 struct { 538 __u8 data[32]; 539 __u32 len; 540 __u32 reserved1[3]; 541 void *reserved2; 542 } buffer; 543 } u; 544 int result; 545 } __attribute__ ((packed)); 546 547 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ 548 #define DTV_IOCTL_MAX_MSGS 64 549 550 struct dtv_properties { 551 __u32 num; 552 struct dtv_property *props; 553 }; 554 555 #define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties) 556 #define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties) 557 558 559 /** 560 * When set, this flag will disable any zigzagging or other "normal" tuning 561 * behaviour. Additionally, there will be no automatic monitoring of the lock 562 * status, and hence no frontend events will be generated. If a frontend device 563 * is closed, this flag will be automatically turned off when the device is 564 * reopened read-write. 565 */ 566 #define FE_TUNE_MODE_ONESHOT 0x01 567 568 569 #define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info) 570 571 #define FE_DISEQC_RESET_OVERLOAD _IO('o', 62) 572 #define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd) 573 #define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply) 574 #define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */ 575 576 #define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */ 577 #define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */ 578 #define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */ 579 580 #define FE_READ_STATUS _IOR('o', 69, fe_status_t) 581 #define FE_READ_BER _IOR('o', 70, __u32) 582 #define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16) 583 #define FE_READ_SNR _IOR('o', 72, __u16) 584 #define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32) 585 586 #define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters) 587 #define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters) 588 #define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */ 589 #define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event) 590 591 #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */ 592 593 #endif /*_DVBFRONTEND_H_*/ 594
