1/* 2 * frontend.h 3 * 4 * Copyright (C) 2000 Marcus Metzler <marcus@convergence.de> 5 * Ralph Metzler <ralph@convergence.de> 6 * Holger Waechtler <holger@convergence.de> 7 * Andre Draszik <ad@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 31enum fe_type { 32 FE_QPSK, 33 FE_QAM, 34 FE_OFDM, 35 FE_ATSC 36}; 37 38enum fe_caps { 39 FE_IS_STUPID = 0, 40 FE_CAN_INVERSION_AUTO = 0x1, 41 FE_CAN_FEC_1_2 = 0x2, 42 FE_CAN_FEC_2_3 = 0x4, 43 FE_CAN_FEC_3_4 = 0x8, 44 FE_CAN_FEC_4_5 = 0x10, 45 FE_CAN_FEC_5_6 = 0x20, 46 FE_CAN_FEC_6_7 = 0x40, 47 FE_CAN_FEC_7_8 = 0x80, 48 FE_CAN_FEC_8_9 = 0x100, 49 FE_CAN_FEC_AUTO = 0x200, 50 FE_CAN_QPSK = 0x400, 51 FE_CAN_QAM_16 = 0x800, 52 FE_CAN_QAM_32 = 0x1000, 53 FE_CAN_QAM_64 = 0x2000, 54 FE_CAN_QAM_128 = 0x4000, 55 FE_CAN_QAM_256 = 0x8000, 56 FE_CAN_QAM_AUTO = 0x10000, 57 FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000, 58 FE_CAN_BANDWIDTH_AUTO = 0x40000, 59 FE_CAN_GUARD_INTERVAL_AUTO = 0x80000, 60 FE_CAN_HIERARCHY_AUTO = 0x100000, 61 FE_CAN_8VSB = 0x200000, 62 FE_CAN_16VSB = 0x400000, 63 FE_HAS_EXTENDED_CAPS = 0x800000, /* We need more bitspace for newer APIs, indicate this. */ 64 FE_CAN_MULTISTREAM = 0x4000000, /* frontend supports multistream filtering */ 65 FE_CAN_TURBO_FEC = 0x8000000, /* frontend supports "turbo fec modulation" */ 66 FE_CAN_2G_MODULATION = 0x10000000, /* frontend supports "2nd generation modulation" (DVB-S2) */ 67 FE_NEEDS_BENDING = 0x20000000, /* not supported anymore, don't use (frontend requires frequency bending) */ 68 FE_CAN_RECOVER = 0x40000000, /* frontend can recover from a cable unplug automatically */ 69 FE_CAN_MUTE_TS = 0x80000000 /* frontend can stop spurious TS data output */ 70}; 71 72struct dvb_frontend_info { 73 char name[128]; 74 enum fe_type type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */ 75 __u32 frequency_min; 76 __u32 frequency_max; 77 __u32 frequency_stepsize; 78 __u32 frequency_tolerance; 79 __u32 symbol_rate_min; 80 __u32 symbol_rate_max; 81 __u32 symbol_rate_tolerance; /* ppm */ 82 __u32 notifier_delay; /* DEPRECATED */ 83 enum fe_caps caps; 84}; 85 86 87/** 88 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for 89 * the meaning of this struct... 90 */ 91struct dvb_diseqc_master_cmd { 92 __u8 msg [6]; /* { framing, address, command, data [3] } */ 93 __u8 msg_len; /* valid values are 3...6 */ 94}; 95 96struct dvb_diseqc_slave_reply { 97 __u8 msg [4]; /* { framing, data [3] } */ 98 __u8 msg_len; /* valid values are 0...4, 0 means no msg */ 99 int timeout; /* return from ioctl after timeout ms with */ 100}; /* errorcode when no message was received */ 101 102enum fe_sec_voltage { 103 SEC_VOLTAGE_13, 104 SEC_VOLTAGE_18, 105 SEC_VOLTAGE_OFF 106}; 107 108enum fe_sec_tone_mode { 109 SEC_TONE_ON, 110 SEC_TONE_OFF 111}; 112 113enum fe_sec_mini_cmd { 114 SEC_MINI_A, 115 SEC_MINI_B 116}; 117 118/** 119 * enum fe_status - enumerates the possible frontend status 120 * @FE_HAS_SIGNAL: found something above the noise level 121 * @FE_HAS_CARRIER: found a DVB signal 122 * @FE_HAS_VITERBI: FEC is stable 123 * @FE_HAS_SYNC: found sync bytes 124 * @FE_HAS_LOCK: everything's working 125 * @FE_TIMEDOUT: no lock within the last ~2 seconds 126 * @FE_REINIT: frontend was reinitialized, application is recommended 127 * to reset DiSEqC, tone and parameters 128 */ 129enum fe_status { 130 FE_HAS_SIGNAL = 0x01, 131 FE_HAS_CARRIER = 0x02, 132 FE_HAS_VITERBI = 0x04, 133 FE_HAS_SYNC = 0x08, 134 FE_HAS_LOCK = 0x10, 135 FE_TIMEDOUT = 0x20, 136 FE_REINIT = 0x40, 137}; 138 139enum fe_spectral_inversion { 140 INVERSION_OFF, 141 INVERSION_ON, 142 INVERSION_AUTO 143}; 144 145enum fe_code_rate { 146 FEC_NONE = 0, 147 FEC_1_2, 148 FEC_2_3, 149 FEC_3_4, 150 FEC_4_5, 151 FEC_5_6, 152 FEC_6_7, 153 FEC_7_8, 154 FEC_8_9, 155 FEC_AUTO, 156 FEC_3_5, 157 FEC_9_10, 158 FEC_2_5, 159}; 160 161enum fe_modulation { 162 QPSK, 163 QAM_16, 164 QAM_32, 165 QAM_64, 166 QAM_128, 167 QAM_256, 168 QAM_AUTO, 169 VSB_8, 170 VSB_16, 171 PSK_8, 172 APSK_16, 173 APSK_32, 174 DQPSK, 175 QAM_4_NR, 176}; 177 178enum fe_transmit_mode { 179 TRANSMISSION_MODE_2K, 180 TRANSMISSION_MODE_8K, 181 TRANSMISSION_MODE_AUTO, 182 TRANSMISSION_MODE_4K, 183 TRANSMISSION_MODE_1K, 184 TRANSMISSION_MODE_16K, 185 TRANSMISSION_MODE_32K, 186 TRANSMISSION_MODE_C1, 187 TRANSMISSION_MODE_C3780, 188}; 189 190enum fe_guard_interval { 191 GUARD_INTERVAL_1_32, 192 GUARD_INTERVAL_1_16, 193 GUARD_INTERVAL_1_8, 194 GUARD_INTERVAL_1_4, 195 GUARD_INTERVAL_AUTO, 196 GUARD_INTERVAL_1_128, 197 GUARD_INTERVAL_19_128, 198 GUARD_INTERVAL_19_256, 199 GUARD_INTERVAL_PN420, 200 GUARD_INTERVAL_PN595, 201 GUARD_INTERVAL_PN945, 202}; 203 204enum fe_hierarchy { 205 HIERARCHY_NONE, 206 HIERARCHY_1, 207 HIERARCHY_2, 208 HIERARCHY_4, 209 HIERARCHY_AUTO 210}; 211 212enum fe_interleaving { 213 INTERLEAVING_NONE, 214 INTERLEAVING_AUTO, 215 INTERLEAVING_240, 216 INTERLEAVING_720, 217}; 218 219/* S2API Commands */ 220#define DTV_UNDEFINED 0 221#define DTV_TUNE 1 222#define DTV_CLEAR 2 223#define DTV_FREQUENCY 3 224#define DTV_MODULATION 4 225#define DTV_BANDWIDTH_HZ 5 226#define DTV_INVERSION 6 227#define DTV_DISEQC_MASTER 7 228#define DTV_SYMBOL_RATE 8 229#define DTV_INNER_FEC 9 230#define DTV_VOLTAGE 10 231#define DTV_TONE 11 232#define DTV_PILOT 12 233#define DTV_ROLLOFF 13 234#define DTV_DISEQC_SLAVE_REPLY 14 235 236/* Basic enumeration set for querying unlimited capabilities */ 237#define DTV_FE_CAPABILITY_COUNT 15 238#define DTV_FE_CAPABILITY 16 239#define DTV_DELIVERY_SYSTEM 17 240 241/* ISDB-T and ISDB-Tsb */ 242#define DTV_ISDBT_PARTIAL_RECEPTION 18 243#define DTV_ISDBT_SOUND_BROADCASTING 19 244 245#define DTV_ISDBT_SB_SUBCHANNEL_ID 20 246#define DTV_ISDBT_SB_SEGMENT_IDX 21 247#define DTV_ISDBT_SB_SEGMENT_COUNT 22 248 249#define DTV_ISDBT_LAYERA_FEC 23 250#define DTV_ISDBT_LAYERA_MODULATION 24 251#define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25 252#define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26 253 254#define DTV_ISDBT_LAYERB_FEC 27 255#define DTV_ISDBT_LAYERB_MODULATION 28 256#define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29 257#define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30 258 259#define DTV_ISDBT_LAYERC_FEC 31 260#define DTV_ISDBT_LAYERC_MODULATION 32 261#define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33 262#define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34 263 264#define DTV_API_VERSION 35 265 266#define DTV_CODE_RATE_HP 36 267#define DTV_CODE_RATE_LP 37 268#define DTV_GUARD_INTERVAL 38 269#define DTV_TRANSMISSION_MODE 39 270#define DTV_HIERARCHY 40 271 272#define DTV_ISDBT_LAYER_ENABLED 41 273 274#define DTV_STREAM_ID 42 275#define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID 276#define DTV_DVBT2_PLP_ID_LEGACY 43 277 278#define DTV_ENUM_DELSYS 44 279 280/* ATSC-MH */ 281#define DTV_ATSCMH_FIC_VER 45 282#define DTV_ATSCMH_PARADE_ID 46 283#define DTV_ATSCMH_NOG 47 284#define DTV_ATSCMH_TNOG 48 285#define DTV_ATSCMH_SGN 49 286#define DTV_ATSCMH_PRC 50 287#define DTV_ATSCMH_RS_FRAME_MODE 51 288#define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52 289#define DTV_ATSCMH_RS_CODE_MODE_PRI 53 290#define DTV_ATSCMH_RS_CODE_MODE_SEC 54 291#define DTV_ATSCMH_SCCC_BLOCK_MODE 55 292#define DTV_ATSCMH_SCCC_CODE_MODE_A 56 293#define DTV_ATSCMH_SCCC_CODE_MODE_B 57 294#define DTV_ATSCMH_SCCC_CODE_MODE_C 58 295#define DTV_ATSCMH_SCCC_CODE_MODE_D 59 296 297#define DTV_INTERLEAVING 60 298#define DTV_LNA 61 299 300/* Quality parameters */ 301#define DTV_STAT_SIGNAL_STRENGTH 62 302#define DTV_STAT_CNR 63 303#define DTV_STAT_PRE_ERROR_BIT_COUNT 64 304#define DTV_STAT_PRE_TOTAL_BIT_COUNT 65 305#define DTV_STAT_POST_ERROR_BIT_COUNT 66 306#define DTV_STAT_POST_TOTAL_BIT_COUNT 67 307#define DTV_STAT_ERROR_BLOCK_COUNT 68 308#define DTV_STAT_TOTAL_BLOCK_COUNT 69 309 310#define DTV_MAX_COMMAND DTV_STAT_TOTAL_BLOCK_COUNT 311 312enum fe_pilot { 313 PILOT_ON, 314 PILOT_OFF, 315 PILOT_AUTO, 316}; 317 318enum fe_rolloff { 319 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */ 320 ROLLOFF_20, 321 ROLLOFF_25, 322 ROLLOFF_AUTO, 323}; 324 325enum fe_delivery_system { 326 SYS_UNDEFINED, 327 SYS_DVBC_ANNEX_A, 328 SYS_DVBC_ANNEX_B, 329 SYS_DVBT, 330 SYS_DSS, 331 SYS_DVBS, 332 SYS_DVBS2, 333 SYS_DVBH, 334 SYS_ISDBT, 335 SYS_ISDBS, 336 SYS_ISDBC, 337 SYS_ATSC, 338 SYS_ATSCMH, 339 SYS_DTMB, 340 SYS_CMMB, 341 SYS_DAB, 342 SYS_DVBT2, 343 SYS_TURBO, 344 SYS_DVBC_ANNEX_C, 345}; 346 347/* backward compatibility */ 348#define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A 349#define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB instead */ 350 351/* ATSC-MH */ 352 353enum atscmh_sccc_block_mode { 354 ATSCMH_SCCC_BLK_SEP = 0, 355 ATSCMH_SCCC_BLK_COMB = 1, 356 ATSCMH_SCCC_BLK_RES = 2, 357}; 358 359enum atscmh_sccc_code_mode { 360 ATSCMH_SCCC_CODE_HLF = 0, 361 ATSCMH_SCCC_CODE_QTR = 1, 362 ATSCMH_SCCC_CODE_RES = 2, 363}; 364 365enum atscmh_rs_frame_ensemble { 366 ATSCMH_RSFRAME_ENS_PRI = 0, 367 ATSCMH_RSFRAME_ENS_SEC = 1, 368}; 369 370enum atscmh_rs_frame_mode { 371 ATSCMH_RSFRAME_PRI_ONLY = 0, 372 ATSCMH_RSFRAME_PRI_SEC = 1, 373 ATSCMH_RSFRAME_RES = 2, 374}; 375 376enum atscmh_rs_code_mode { 377 ATSCMH_RSCODE_211_187 = 0, 378 ATSCMH_RSCODE_223_187 = 1, 379 ATSCMH_RSCODE_235_187 = 2, 380 ATSCMH_RSCODE_RES = 3, 381}; 382 383#define NO_STREAM_ID_FILTER (~0U) 384#define LNA_AUTO (~0U) 385 386struct dtv_cmds_h { 387 char *name; /* A display name for debugging purposes */ 388 389 __u32 cmd; /* A unique ID */ 390 391 /* Flags */ 392 __u32 set:1; /* Either a set or get property */ 393 __u32 buffer:1; /* Does this property use the buffer? */ 394 __u32 reserved:30; /* Align */ 395}; 396 397/** 398 * Scale types for the quality parameters. 399 * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That 400 * could indicate a temporary or a permanent 401 * condition. 402 * @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically 403 * used on signal measures. 404 * @FE_SCALE_RELATIVE: The scale is a relative percentual measure, 405 * ranging from 0 (0%) to 0xffff (100%). 406 * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like 407 * bit error, block error, lapsed time. 408 */ 409enum fecap_scale_params { 410 FE_SCALE_NOT_AVAILABLE = 0, 411 FE_SCALE_DECIBEL, 412 FE_SCALE_RELATIVE, 413 FE_SCALE_COUNTER 414}; 415 416/** 417 * struct dtv_stats - Used for reading a DTV status property 418 * 419 * @value: value of the measure. Should range from 0 to 0xffff; 420 * @scale: Filled with enum fecap_scale_params - the scale 421 * in usage for that parameter 422 * 423 * For most delivery systems, this will return a single value for each 424 * parameter. 425 * It should be noticed, however, that new OFDM delivery systems like 426 * ISDB can use different modulation types for each group of carriers. 427 * On such standards, up to 8 groups of statistics can be provided, one 428 * for each carrier group (called "layer" on ISDB). 429 * In order to be consistent with other delivery systems, the first 430 * value refers to the entire set of carriers ("global"). 431 * dtv_status:scale should use the value FE_SCALE_NOT_AVAILABLE when 432 * the value for the entire group of carriers or from one specific layer 433 * is not provided by the hardware. 434 * st.len should be filled with the latest filled status + 1. 435 * 436 * In other words, for ISDB, those values should be filled like: 437 * u.st.stat.svalue[0] = global statistics; 438 * u.st.stat.scale[0] = FE_SCALE_DECIBEL; 439 * u.st.stat.value[1] = layer A statistics; 440 * u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available); 441 * u.st.stat.svalue[2] = layer B statistics; 442 * u.st.stat.scale[2] = FE_SCALE_DECIBEL; 443 * u.st.stat.svalue[3] = layer C statistics; 444 * u.st.stat.scale[3] = FE_SCALE_DECIBEL; 445 * u.st.len = 4; 446 */ 447struct dtv_stats { 448 __u8 scale; /* enum fecap_scale_params type */ 449 union { 450 __u64 uvalue; /* for counters and relative scales */ 451 __s64 svalue; /* for 0.001 dB measures */ 452 }; 453} __attribute__ ((packed)); 454 455 456#define MAX_DTV_STATS 4 457 458struct dtv_fe_stats { 459 __u8 len; 460 struct dtv_stats stat[MAX_DTV_STATS]; 461} __attribute__ ((packed)); 462 463struct dtv_property { 464 __u32 cmd; 465 __u32 reserved[3]; 466 union { 467 __u32 data; 468 struct dtv_fe_stats st; 469 struct { 470 __u8 data[32]; 471 __u32 len; 472 __u32 reserved1[3]; 473 void *reserved2; 474 } buffer; 475 } u; 476 int result; 477} __attribute__ ((packed)); 478 479/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ 480#define DTV_IOCTL_MAX_MSGS 64 481 482struct dtv_properties { 483 __u32 num; 484 struct dtv_property *props; 485}; 486 487#if defined(__DVB_CORE__) || !defined (__KERNEL__) 488 489/* 490 * DEPRECATED: The DVBv3 ioctls, structs and enums should not be used on 491 * newer programs, as it doesn't support the second generation of digital 492 * TV standards, nor supports newer delivery systems. 493 */ 494 495enum fe_bandwidth { 496 BANDWIDTH_8_MHZ, 497 BANDWIDTH_7_MHZ, 498 BANDWIDTH_6_MHZ, 499 BANDWIDTH_AUTO, 500 BANDWIDTH_5_MHZ, 501 BANDWIDTH_10_MHZ, 502 BANDWIDTH_1_712_MHZ, 503}; 504 505/* This is needed for legacy userspace support */ 506typedef enum fe_sec_voltage fe_sec_voltage_t; 507typedef enum fe_caps fe_caps_t; 508typedef enum fe_type fe_type_t; 509typedef enum fe_sec_tone_mode fe_sec_tone_mode_t; 510typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t; 511typedef enum fe_status fe_status_t; 512typedef enum fe_spectral_inversion fe_spectral_inversion_t; 513typedef enum fe_code_rate fe_code_rate_t; 514typedef enum fe_modulation fe_modulation_t; 515typedef enum fe_transmit_mode fe_transmit_mode_t; 516typedef enum fe_bandwidth fe_bandwidth_t; 517typedef enum fe_guard_interval fe_guard_interval_t; 518typedef enum fe_hierarchy fe_hierarchy_t; 519typedef enum fe_pilot fe_pilot_t; 520typedef enum fe_rolloff fe_rolloff_t; 521typedef enum fe_delivery_system fe_delivery_system_t; 522 523struct dvb_qpsk_parameters { 524 __u32 symbol_rate; /* symbol rate in Symbols per second */ 525 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 526}; 527 528struct dvb_qam_parameters { 529 __u32 symbol_rate; /* symbol rate in Symbols per second */ 530 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 531 fe_modulation_t modulation; /* modulation type (see above) */ 532}; 533 534struct dvb_vsb_parameters { 535 fe_modulation_t modulation; /* modulation type (see above) */ 536}; 537 538struct dvb_ofdm_parameters { 539 fe_bandwidth_t bandwidth; 540 fe_code_rate_t code_rate_HP; /* high priority stream code rate */ 541 fe_code_rate_t code_rate_LP; /* low priority stream code rate */ 542 fe_modulation_t constellation; /* modulation type (see above) */ 543 fe_transmit_mode_t transmission_mode; 544 fe_guard_interval_t guard_interval; 545 fe_hierarchy_t hierarchy_information; 546}; 547 548struct dvb_frontend_parameters { 549 __u32 frequency; /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */ 550 /* intermediate frequency in kHz for DVB-S */ 551 fe_spectral_inversion_t inversion; 552 union { 553 struct dvb_qpsk_parameters qpsk; /* DVB-S */ 554 struct dvb_qam_parameters qam; /* DVB-C */ 555 struct dvb_ofdm_parameters ofdm; /* DVB-T */ 556 struct dvb_vsb_parameters vsb; /* ATSC */ 557 } u; 558}; 559 560struct dvb_frontend_event { 561 fe_status_t status; 562 struct dvb_frontend_parameters parameters; 563}; 564#endif 565 566#define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties) 567#define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties) 568 569/** 570 * When set, this flag will disable any zigzagging or other "normal" tuning 571 * behaviour. Additionally, there will be no automatic monitoring of the lock 572 * status, and hence no frontend events will be generated. If a frontend device 573 * is closed, this flag will be automatically turned off when the device is 574 * reopened read-write. 575 */ 576#define FE_TUNE_MODE_ONESHOT 0x01 577 578#define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info) 579 580#define FE_DISEQC_RESET_OVERLOAD _IO('o', 62) 581#define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd) 582#define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply) 583#define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */ 584 585#define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */ 586#define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */ 587#define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */ 588 589#define FE_READ_STATUS _IOR('o', 69, fe_status_t) 590#define FE_READ_BER _IOR('o', 70, __u32) 591#define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16) 592#define FE_READ_SNR _IOR('o', 72, __u16) 593#define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32) 594 595#define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters) 596#define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters) 597#define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */ 598#define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event) 599 600#define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */ 601 602#endif /*_DVBFRONTEND_H_*/ 603