1 /* 2 * frontend.h 3 * 4 * Copyright (C) 2000 Marcus Metzler <[email protected]> 5 * Ralph Metzler <[email protected]> 6 * Holger Waechtler <[email protected]> 7 * Andre Draszik <[email protected]> 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 enum fe_type { 32 FE_QPSK, 33 FE_QAM, 34 FE_OFDM, 35 FE_ATSC 36 }; 37 38 enum 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 72 struct 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 */ 91 struct dvb_diseqc_master_cmd { 92 __u8 msg [6]; /* { framing, address, command, data [3] } */ 93 __u8 msg_len; /* valid values are 3...6 */ 94 }; 95 96 struct 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 */ 101 102 enum fe_sec_voltage { 103 SEC_VOLTAGE_13, 104 SEC_VOLTAGE_18, 105 SEC_VOLTAGE_OFF 106 }; 107 108 enum fe_sec_tone_mode { 109 SEC_TONE_ON, 110 SEC_TONE_OFF 111 }; 112 113 enum 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 */ 129 enum fe_status { 130 FE_NONE = 0x00, 131 FE_HAS_SIGNAL = 0x01, 132 FE_HAS_CARRIER = 0x02, 133 FE_HAS_VITERBI = 0x04, 134 FE_HAS_SYNC = 0x08, 135 FE_HAS_LOCK = 0x10, 136 FE_TIMEDOUT = 0x20, 137 FE_REINIT = 0x40, 138 }; 139 140 enum fe_spectral_inversion { 141 INVERSION_OFF, 142 INVERSION_ON, 143 INVERSION_AUTO 144 }; 145 146 enum fe_code_rate { 147 FEC_NONE = 0, 148 FEC_1_2, 149 FEC_2_3, 150 FEC_3_4, 151 FEC_4_5, 152 FEC_5_6, 153 FEC_6_7, 154 FEC_7_8, 155 FEC_8_9, 156 FEC_AUTO, 157 FEC_3_5, 158 FEC_9_10, 159 FEC_2_5, 160 }; 161 162 enum fe_modulation { 163 QPSK, 164 QAM_16, 165 QAM_32, 166 QAM_64, 167 QAM_128, 168 QAM_256, 169 QAM_AUTO, 170 VSB_8, 171 VSB_16, 172 PSK_8, 173 APSK_16, 174 APSK_32, 175 DQPSK, 176 QAM_4_NR, 177 }; 178 179 enum fe_transmit_mode { 180 TRANSMISSION_MODE_2K, 181 TRANSMISSION_MODE_8K, 182 TRANSMISSION_MODE_AUTO, 183 TRANSMISSION_MODE_4K, 184 TRANSMISSION_MODE_1K, 185 TRANSMISSION_MODE_16K, 186 TRANSMISSION_MODE_32K, 187 TRANSMISSION_MODE_C1, 188 TRANSMISSION_MODE_C3780, 189 }; 190 191 enum fe_guard_interval { 192 GUARD_INTERVAL_1_32, 193 GUARD_INTERVAL_1_16, 194 GUARD_INTERVAL_1_8, 195 GUARD_INTERVAL_1_4, 196 GUARD_INTERVAL_AUTO, 197 GUARD_INTERVAL_1_128, 198 GUARD_INTERVAL_19_128, 199 GUARD_INTERVAL_19_256, 200 GUARD_INTERVAL_PN420, 201 GUARD_INTERVAL_PN595, 202 GUARD_INTERVAL_PN945, 203 }; 204 205 enum fe_hierarchy { 206 HIERARCHY_NONE, 207 HIERARCHY_1, 208 HIERARCHY_2, 209 HIERARCHY_4, 210 HIERARCHY_AUTO 211 }; 212 213 enum fe_interleaving { 214 INTERLEAVING_NONE, 215 INTERLEAVING_AUTO, 216 INTERLEAVING_240, 217 INTERLEAVING_720, 218 }; 219 220 /* S2API Commands */ 221 #define DTV_UNDEFINED 0 222 #define DTV_TUNE 1 223 #define DTV_CLEAR 2 224 #define DTV_FREQUENCY 3 225 #define DTV_MODULATION 4 226 #define DTV_BANDWIDTH_HZ 5 227 #define DTV_INVERSION 6 228 #define DTV_DISEQC_MASTER 7 229 #define DTV_SYMBOL_RATE 8 230 #define DTV_INNER_FEC 9 231 #define DTV_VOLTAGE 10 232 #define DTV_TONE 11 233 #define DTV_PILOT 12 234 #define DTV_ROLLOFF 13 235 #define DTV_DISEQC_SLAVE_REPLY 14 236 237 /* Basic enumeration set for querying unlimited capabilities */ 238 #define DTV_FE_CAPABILITY_COUNT 15 239 #define DTV_FE_CAPABILITY 16 240 #define DTV_DELIVERY_SYSTEM 17 241 242 /* ISDB-T and ISDB-Tsb */ 243 #define DTV_ISDBT_PARTIAL_RECEPTION 18 244 #define DTV_ISDBT_SOUND_BROADCASTING 19 245 246 #define DTV_ISDBT_SB_SUBCHANNEL_ID 20 247 #define DTV_ISDBT_SB_SEGMENT_IDX 21 248 #define DTV_ISDBT_SB_SEGMENT_COUNT 22 249 250 #define DTV_ISDBT_LAYERA_FEC 23 251 #define DTV_ISDBT_LAYERA_MODULATION 24 252 #define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25 253 #define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26 254 255 #define DTV_ISDBT_LAYERB_FEC 27 256 #define DTV_ISDBT_LAYERB_MODULATION 28 257 #define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29 258 #define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30 259 260 #define DTV_ISDBT_LAYERC_FEC 31 261 #define DTV_ISDBT_LAYERC_MODULATION 32 262 #define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33 263 #define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34 264 265 #define DTV_API_VERSION 35 266 267 #define DTV_CODE_RATE_HP 36 268 #define DTV_CODE_RATE_LP 37 269 #define DTV_GUARD_INTERVAL 38 270 #define DTV_TRANSMISSION_MODE 39 271 #define DTV_HIERARCHY 40 272 273 #define DTV_ISDBT_LAYER_ENABLED 41 274 275 #define DTV_STREAM_ID 42 276 #define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID 277 #define DTV_DVBT2_PLP_ID_LEGACY 43 278 279 #define DTV_ENUM_DELSYS 44 280 281 /* ATSC-MH */ 282 #define DTV_ATSCMH_FIC_VER 45 283 #define DTV_ATSCMH_PARADE_ID 46 284 #define DTV_ATSCMH_NOG 47 285 #define DTV_ATSCMH_TNOG 48 286 #define DTV_ATSCMH_SGN 49 287 #define DTV_ATSCMH_PRC 50 288 #define DTV_ATSCMH_RS_FRAME_MODE 51 289 #define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52 290 #define DTV_ATSCMH_RS_CODE_MODE_PRI 53 291 #define DTV_ATSCMH_RS_CODE_MODE_SEC 54 292 #define DTV_ATSCMH_SCCC_BLOCK_MODE 55 293 #define DTV_ATSCMH_SCCC_CODE_MODE_A 56 294 #define DTV_ATSCMH_SCCC_CODE_MODE_B 57 295 #define DTV_ATSCMH_SCCC_CODE_MODE_C 58 296 #define DTV_ATSCMH_SCCC_CODE_MODE_D 59 297 298 #define DTV_INTERLEAVING 60 299 #define DTV_LNA 61 300 301 /* Quality parameters */ 302 #define DTV_STAT_SIGNAL_STRENGTH 62 303 #define DTV_STAT_CNR 63 304 #define DTV_STAT_PRE_ERROR_BIT_COUNT 64 305 #define DTV_STAT_PRE_TOTAL_BIT_COUNT 65 306 #define DTV_STAT_POST_ERROR_BIT_COUNT 66 307 #define DTV_STAT_POST_TOTAL_BIT_COUNT 67 308 #define DTV_STAT_ERROR_BLOCK_COUNT 68 309 #define DTV_STAT_TOTAL_BLOCK_COUNT 69 310 311 #define DTV_MAX_COMMAND DTV_STAT_TOTAL_BLOCK_COUNT 312 313 enum fe_pilot { 314 PILOT_ON, 315 PILOT_OFF, 316 PILOT_AUTO, 317 }; 318 319 enum fe_rolloff { 320 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */ 321 ROLLOFF_20, 322 ROLLOFF_25, 323 ROLLOFF_AUTO, 324 }; 325 326 enum fe_delivery_system { 327 SYS_UNDEFINED, 328 SYS_DVBC_ANNEX_A, 329 SYS_DVBC_ANNEX_B, 330 SYS_DVBT, 331 SYS_DSS, 332 SYS_DVBS, 333 SYS_DVBS2, 334 SYS_DVBH, 335 SYS_ISDBT, 336 SYS_ISDBS, 337 SYS_ISDBC, 338 SYS_ATSC, 339 SYS_ATSCMH, 340 SYS_DTMB, 341 SYS_CMMB, 342 SYS_DAB, 343 SYS_DVBT2, 344 SYS_TURBO, 345 SYS_DVBC_ANNEX_C, 346 }; 347 348 /* backward compatibility */ 349 #define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A 350 #define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB instead */ 351 352 /* ATSC-MH */ 353 354 enum atscmh_sccc_block_mode { 355 ATSCMH_SCCC_BLK_SEP = 0, 356 ATSCMH_SCCC_BLK_COMB = 1, 357 ATSCMH_SCCC_BLK_RES = 2, 358 }; 359 360 enum atscmh_sccc_code_mode { 361 ATSCMH_SCCC_CODE_HLF = 0, 362 ATSCMH_SCCC_CODE_QTR = 1, 363 ATSCMH_SCCC_CODE_RES = 2, 364 }; 365 366 enum atscmh_rs_frame_ensemble { 367 ATSCMH_RSFRAME_ENS_PRI = 0, 368 ATSCMH_RSFRAME_ENS_SEC = 1, 369 }; 370 371 enum atscmh_rs_frame_mode { 372 ATSCMH_RSFRAME_PRI_ONLY = 0, 373 ATSCMH_RSFRAME_PRI_SEC = 1, 374 ATSCMH_RSFRAME_RES = 2, 375 }; 376 377 enum atscmh_rs_code_mode { 378 ATSCMH_RSCODE_211_187 = 0, 379 ATSCMH_RSCODE_223_187 = 1, 380 ATSCMH_RSCODE_235_187 = 2, 381 ATSCMH_RSCODE_RES = 3, 382 }; 383 384 #define NO_STREAM_ID_FILTER (~0U) 385 #define LNA_AUTO (~0U) 386 387 /** 388 * Scale types for the quality parameters. 389 * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That 390 * could indicate a temporary or a permanent 391 * condition. 392 * @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically 393 * used on signal measures. 394 * @FE_SCALE_RELATIVE: The scale is a relative percentual measure, 395 * ranging from 0 (0%) to 0xffff (100%). 396 * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like 397 * bit error, block error, lapsed time. 398 */ 399 enum fecap_scale_params { 400 FE_SCALE_NOT_AVAILABLE = 0, 401 FE_SCALE_DECIBEL, 402 FE_SCALE_RELATIVE, 403 FE_SCALE_COUNTER 404 }; 405 406 /** 407 * struct dtv_stats - Used for reading a DTV status property 408 * 409 * @value: value of the measure. Should range from 0 to 0xffff; 410 * @scale: Filled with enum fecap_scale_params - the scale 411 * in usage for that parameter 412 * 413 * For most delivery systems, this will return a single value for each 414 * parameter. 415 * It should be noticed, however, that new OFDM delivery systems like 416 * ISDB can use different modulation types for each group of carriers. 417 * On such standards, up to 8 groups of statistics can be provided, one 418 * for each carrier group (called "layer" on ISDB). 419 * In order to be consistent with other delivery systems, the first 420 * value refers to the entire set of carriers ("global"). 421 * dtv_status:scale should use the value FE_SCALE_NOT_AVAILABLE when 422 * the value for the entire group of carriers or from one specific layer 423 * is not provided by the hardware. 424 * st.len should be filled with the latest filled status + 1. 425 * 426 * In other words, for ISDB, those values should be filled like: 427 * u.st.stat.svalue[0] = global statistics; 428 * u.st.stat.scale[0] = FE_SCALE_DECIBEL; 429 * u.st.stat.value[1] = layer A statistics; 430 * u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available); 431 * u.st.stat.svalue[2] = layer B statistics; 432 * u.st.stat.scale[2] = FE_SCALE_DECIBEL; 433 * u.st.stat.svalue[3] = layer C statistics; 434 * u.st.stat.scale[3] = FE_SCALE_DECIBEL; 435 * u.st.len = 4; 436 */ 437 struct dtv_stats { 438 __u8 scale; /* enum fecap_scale_params type */ 439 union { 440 __u64 uvalue; /* for counters and relative scales */ 441 __s64 svalue; /* for 0.001 dB measures */ 442 }; 443 } __attribute__ ((packed)); 444 445 446 #define MAX_DTV_STATS 4 447 448 struct dtv_fe_stats { 449 __u8 len; 450 struct dtv_stats stat[MAX_DTV_STATS]; 451 } __attribute__ ((packed)); 452 453 struct dtv_property { 454 __u32 cmd; 455 __u32 reserved[3]; 456 union { 457 __u32 data; 458 struct dtv_fe_stats st; 459 struct { 460 __u8 data[32]; 461 __u32 len; 462 __u32 reserved1[3]; 463 void *reserved2; 464 } buffer; 465 } u; 466 int result; 467 } __attribute__ ((packed)); 468 469 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ 470 #define DTV_IOCTL_MAX_MSGS 64 471 472 struct dtv_properties { 473 __u32 num; 474 struct dtv_property *props; 475 }; 476 477 #if defined(__DVB_CORE__) || !defined (__KERNEL__) 478 479 /* 480 * DEPRECATED: The DVBv3 ioctls, structs and enums should not be used on 481 * newer programs, as it doesn't support the second generation of digital 482 * TV standards, nor supports newer delivery systems. 483 */ 484 485 enum fe_bandwidth { 486 BANDWIDTH_8_MHZ, 487 BANDWIDTH_7_MHZ, 488 BANDWIDTH_6_MHZ, 489 BANDWIDTH_AUTO, 490 BANDWIDTH_5_MHZ, 491 BANDWIDTH_10_MHZ, 492 BANDWIDTH_1_712_MHZ, 493 }; 494 495 /* This is needed for legacy userspace support */ 496 typedef enum fe_sec_voltage fe_sec_voltage_t; 497 typedef enum fe_caps fe_caps_t; 498 typedef enum fe_type fe_type_t; 499 typedef enum fe_sec_tone_mode fe_sec_tone_mode_t; 500 typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t; 501 typedef enum fe_status fe_status_t; 502 typedef enum fe_spectral_inversion fe_spectral_inversion_t; 503 typedef enum fe_code_rate fe_code_rate_t; 504 typedef enum fe_modulation fe_modulation_t; 505 typedef enum fe_transmit_mode fe_transmit_mode_t; 506 typedef enum fe_bandwidth fe_bandwidth_t; 507 typedef enum fe_guard_interval fe_guard_interval_t; 508 typedef enum fe_hierarchy fe_hierarchy_t; 509 typedef enum fe_pilot fe_pilot_t; 510 typedef enum fe_rolloff fe_rolloff_t; 511 typedef enum fe_delivery_system fe_delivery_system_t; 512 513 struct dvb_qpsk_parameters { 514 __u32 symbol_rate; /* symbol rate in Symbols per second */ 515 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 516 }; 517 518 struct dvb_qam_parameters { 519 __u32 symbol_rate; /* symbol rate in Symbols per second */ 520 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 521 fe_modulation_t modulation; /* modulation type (see above) */ 522 }; 523 524 struct dvb_vsb_parameters { 525 fe_modulation_t modulation; /* modulation type (see above) */ 526 }; 527 528 struct dvb_ofdm_parameters { 529 fe_bandwidth_t bandwidth; 530 fe_code_rate_t code_rate_HP; /* high priority stream code rate */ 531 fe_code_rate_t code_rate_LP; /* low priority stream code rate */ 532 fe_modulation_t constellation; /* modulation type (see above) */ 533 fe_transmit_mode_t transmission_mode; 534 fe_guard_interval_t guard_interval; 535 fe_hierarchy_t hierarchy_information; 536 }; 537 538 struct dvb_frontend_parameters { 539 __u32 frequency; /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */ 540 /* intermediate frequency in kHz for DVB-S */ 541 fe_spectral_inversion_t inversion; 542 union { 543 struct dvb_qpsk_parameters qpsk; /* DVB-S */ 544 struct dvb_qam_parameters qam; /* DVB-C */ 545 struct dvb_ofdm_parameters ofdm; /* DVB-T */ 546 struct dvb_vsb_parameters vsb; /* ATSC */ 547 } u; 548 }; 549 550 struct dvb_frontend_event { 551 fe_status_t status; 552 struct dvb_frontend_parameters parameters; 553 }; 554 #endif 555 556 #define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties) 557 #define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties) 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 #define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info) 569 570 #define FE_DISEQC_RESET_OVERLOAD _IO('o', 62) 571 #define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd) 572 #define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply) 573 #define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */ 574 575 #define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */ 576 #define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */ 577 #define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */ 578 579 #define FE_READ_STATUS _IOR('o', 69, fe_status_t) 580 #define FE_READ_BER _IOR('o', 70, __u32) 581 #define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16) 582 #define FE_READ_SNR _IOR('o', 72, __u16) 583 #define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32) 584 585 #define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters) 586 #define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters) 587 #define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */ 588 #define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event) 589 590 #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */ 591 592 #endif /*_DVBFRONTEND_H_*/ 593