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 typedef enum fe_type { 32 FE_QPSK, 33 FE_QAM, 34 FE_OFDM, 35 FE_ATSC 36 } fe_type_t; 37 38 39 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 }; 72 73 typedef enum fe_caps fe_caps_t; 74 75 76 struct dvb_frontend_info { 77 char name[128]; 78 fe_type_t type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */ 79 __u32 frequency_min; 80 __u32 frequency_max; 81 __u32 frequency_stepsize; 82 __u32 frequency_tolerance; 83 __u32 symbol_rate_min; 84 __u32 symbol_rate_max; 85 __u32 symbol_rate_tolerance; /* ppm */ 86 __u32 notifier_delay; /* DEPRECATED */ 87 fe_caps_t caps; 88 }; 89 90 91 /** 92 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for 93 * the meaning of this struct... 94 */ 95 struct dvb_diseqc_master_cmd { 96 __u8 msg [6]; /* { framing, address, command, data [3] } */ 97 __u8 msg_len; /* valid values are 3...6 */ 98 }; 99 100 101 struct dvb_diseqc_slave_reply { 102 __u8 msg [4]; /* { framing, data [3] } */ 103 __u8 msg_len; /* valid values are 0...4, 0 means no msg */ 104 int timeout; /* return from ioctl after timeout ms with */ 105 }; /* errorcode when no message was received */ 106 107 108 enum fe_sec_voltage { 109 SEC_VOLTAGE_13, 110 SEC_VOLTAGE_18, 111 SEC_VOLTAGE_OFF 112 }; 113 114 typedef enum fe_sec_voltage fe_sec_voltage_t; 115 116 117 enum fe_sec_tone_mode { 118 SEC_TONE_ON, 119 SEC_TONE_OFF 120 }; 121 122 typedef enum fe_sec_tone_mode fe_sec_tone_mode_t; 123 124 125 enum fe_sec_mini_cmd { 126 SEC_MINI_A, 127 SEC_MINI_B 128 }; 129 130 typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t; 131 132 133 /** 134 * enum fe_status - enumerates the possible frontend status 135 * @FE_HAS_SIGNAL: found something above the noise level 136 * @FE_HAS_CARRIER: found a DVB signal 137 * @FE_HAS_VITERBI: FEC is stable 138 * @FE_HAS_SYNC: found sync bytes 139 * @FE_HAS_LOCK: everything's working 140 * @FE_TIMEDOUT: no lock within the last ~2 seconds 141 * @FE_REINIT: frontend was reinitialized, application is recommended 142 * to reset DiSEqC, tone and parameters 143 */ 144 145 enum fe_status { 146 FE_HAS_SIGNAL = 0x01, 147 FE_HAS_CARRIER = 0x02, 148 FE_HAS_VITERBI = 0x04, 149 FE_HAS_SYNC = 0x08, 150 FE_HAS_LOCK = 0x10, 151 FE_TIMEDOUT = 0x20, 152 FE_REINIT = 0x40, 153 }; 154 155 typedef enum fe_status fe_status_t; 156 157 enum fe_spectral_inversion { 158 INVERSION_OFF, 159 INVERSION_ON, 160 INVERSION_AUTO 161 }; 162 163 typedef enum fe_spectral_inversion fe_spectral_inversion_t; 164 165 enum fe_code_rate { 166 FEC_NONE = 0, 167 FEC_1_2, 168 FEC_2_3, 169 FEC_3_4, 170 FEC_4_5, 171 FEC_5_6, 172 FEC_6_7, 173 FEC_7_8, 174 FEC_8_9, 175 FEC_AUTO, 176 FEC_3_5, 177 FEC_9_10, 178 FEC_2_5, 179 }; 180 181 typedef enum fe_code_rate fe_code_rate_t; 182 183 184 enum fe_modulation { 185 QPSK, 186 QAM_16, 187 QAM_32, 188 QAM_64, 189 QAM_128, 190 QAM_256, 191 QAM_AUTO, 192 VSB_8, 193 VSB_16, 194 PSK_8, 195 APSK_16, 196 APSK_32, 197 DQPSK, 198 QAM_4_NR, 199 }; 200 201 typedef enum fe_modulation fe_modulation_t; 202 203 enum fe_transmit_mode { 204 TRANSMISSION_MODE_2K, 205 TRANSMISSION_MODE_8K, 206 TRANSMISSION_MODE_AUTO, 207 TRANSMISSION_MODE_4K, 208 TRANSMISSION_MODE_1K, 209 TRANSMISSION_MODE_16K, 210 TRANSMISSION_MODE_32K, 211 TRANSMISSION_MODE_C1, 212 TRANSMISSION_MODE_C3780, 213 }; 214 215 typedef enum fe_transmit_mode fe_transmit_mode_t; 216 217 #if defined(__DVB_CORE__) || !defined (__KERNEL__) 218 enum fe_bandwidth { 219 BANDWIDTH_8_MHZ, 220 BANDWIDTH_7_MHZ, 221 BANDWIDTH_6_MHZ, 222 BANDWIDTH_AUTO, 223 BANDWIDTH_5_MHZ, 224 BANDWIDTH_10_MHZ, 225 BANDWIDTH_1_712_MHZ, 226 }; 227 228 typedef enum fe_bandwidth fe_bandwidth_t; 229 #endif 230 231 enum fe_guard_interval { 232 GUARD_INTERVAL_1_32, 233 GUARD_INTERVAL_1_16, 234 GUARD_INTERVAL_1_8, 235 GUARD_INTERVAL_1_4, 236 GUARD_INTERVAL_AUTO, 237 GUARD_INTERVAL_1_128, 238 GUARD_INTERVAL_19_128, 239 GUARD_INTERVAL_19_256, 240 GUARD_INTERVAL_PN420, 241 GUARD_INTERVAL_PN595, 242 GUARD_INTERVAL_PN945, 243 }; 244 245 typedef enum fe_guard_interval fe_guard_interval_t; 246 247 enum fe_hierarchy { 248 HIERARCHY_NONE, 249 HIERARCHY_1, 250 HIERARCHY_2, 251 HIERARCHY_4, 252 HIERARCHY_AUTO 253 }; 254 255 typedef enum fe_hierarchy fe_hierarchy_t; 256 257 enum fe_interleaving { 258 INTERLEAVING_NONE, 259 INTERLEAVING_AUTO, 260 INTERLEAVING_240, 261 INTERLEAVING_720, 262 }; 263 264 #if defined(__DVB_CORE__) || !defined (__KERNEL__) 265 struct dvb_qpsk_parameters { 266 __u32 symbol_rate; /* symbol rate in Symbols per second */ 267 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 268 }; 269 270 struct dvb_qam_parameters { 271 __u32 symbol_rate; /* symbol rate in Symbols per second */ 272 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 273 fe_modulation_t modulation; /* modulation type (see above) */ 274 }; 275 276 struct dvb_vsb_parameters { 277 fe_modulation_t modulation; /* modulation type (see above) */ 278 }; 279 280 struct dvb_ofdm_parameters { 281 fe_bandwidth_t bandwidth; 282 fe_code_rate_t code_rate_HP; /* high priority stream code rate */ 283 fe_code_rate_t code_rate_LP; /* low priority stream code rate */ 284 fe_modulation_t constellation; /* modulation type (see above) */ 285 fe_transmit_mode_t transmission_mode; 286 fe_guard_interval_t guard_interval; 287 fe_hierarchy_t hierarchy_information; 288 }; 289 290 291 struct dvb_frontend_parameters { 292 __u32 frequency; /* (absolute) frequency in Hz for QAM/OFDM/ATSC */ 293 /* intermediate frequency in kHz for QPSK */ 294 fe_spectral_inversion_t inversion; 295 union { 296 struct dvb_qpsk_parameters qpsk; 297 struct dvb_qam_parameters qam; 298 struct dvb_ofdm_parameters ofdm; 299 struct dvb_vsb_parameters vsb; 300 } u; 301 }; 302 303 struct dvb_frontend_event { 304 fe_status_t status; 305 struct dvb_frontend_parameters parameters; 306 }; 307 #endif 308 309 /* S2API Commands */ 310 #define DTV_UNDEFINED 0 311 #define DTV_TUNE 1 312 #define DTV_CLEAR 2 313 #define DTV_FREQUENCY 3 314 #define DTV_MODULATION 4 315 #define DTV_BANDWIDTH_HZ 5 316 #define DTV_INVERSION 6 317 #define DTV_DISEQC_MASTER 7 318 #define DTV_SYMBOL_RATE 8 319 #define DTV_INNER_FEC 9 320 #define DTV_VOLTAGE 10 321 #define DTV_TONE 11 322 #define DTV_PILOT 12 323 #define DTV_ROLLOFF 13 324 #define DTV_DISEQC_SLAVE_REPLY 14 325 326 /* Basic enumeration set for querying unlimited capabilities */ 327 #define DTV_FE_CAPABILITY_COUNT 15 328 #define DTV_FE_CAPABILITY 16 329 #define DTV_DELIVERY_SYSTEM 17 330 331 /* ISDB-T and ISDB-Tsb */ 332 #define DTV_ISDBT_PARTIAL_RECEPTION 18 333 #define DTV_ISDBT_SOUND_BROADCASTING 19 334 335 #define DTV_ISDBT_SB_SUBCHANNEL_ID 20 336 #define DTV_ISDBT_SB_SEGMENT_IDX 21 337 #define DTV_ISDBT_SB_SEGMENT_COUNT 22 338 339 #define DTV_ISDBT_LAYERA_FEC 23 340 #define DTV_ISDBT_LAYERA_MODULATION 24 341 #define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25 342 #define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26 343 344 #define DTV_ISDBT_LAYERB_FEC 27 345 #define DTV_ISDBT_LAYERB_MODULATION 28 346 #define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29 347 #define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30 348 349 #define DTV_ISDBT_LAYERC_FEC 31 350 #define DTV_ISDBT_LAYERC_MODULATION 32 351 #define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33 352 #define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34 353 354 #define DTV_API_VERSION 35 355 356 #define DTV_CODE_RATE_HP 36 357 #define DTV_CODE_RATE_LP 37 358 #define DTV_GUARD_INTERVAL 38 359 #define DTV_TRANSMISSION_MODE 39 360 #define DTV_HIERARCHY 40 361 362 #define DTV_ISDBT_LAYER_ENABLED 41 363 364 #define DTV_STREAM_ID 42 365 #define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID 366 #define DTV_DVBT2_PLP_ID_LEGACY 43 367 368 #define DTV_ENUM_DELSYS 44 369 370 /* ATSC-MH */ 371 #define DTV_ATSCMH_FIC_VER 45 372 #define DTV_ATSCMH_PARADE_ID 46 373 #define DTV_ATSCMH_NOG 47 374 #define DTV_ATSCMH_TNOG 48 375 #define DTV_ATSCMH_SGN 49 376 #define DTV_ATSCMH_PRC 50 377 #define DTV_ATSCMH_RS_FRAME_MODE 51 378 #define DTV_ATSCMH_RS_FRAME_ENSEMBLE 52 379 #define DTV_ATSCMH_RS_CODE_MODE_PRI 53 380 #define DTV_ATSCMH_RS_CODE_MODE_SEC 54 381 #define DTV_ATSCMH_SCCC_BLOCK_MODE 55 382 #define DTV_ATSCMH_SCCC_CODE_MODE_A 56 383 #define DTV_ATSCMH_SCCC_CODE_MODE_B 57 384 #define DTV_ATSCMH_SCCC_CODE_MODE_C 58 385 #define DTV_ATSCMH_SCCC_CODE_MODE_D 59 386 387 #define DTV_INTERLEAVING 60 388 #define DTV_LNA 61 389 390 /* Quality parameters */ 391 #define DTV_STAT_SIGNAL_STRENGTH 62 392 #define DTV_STAT_CNR 63 393 #define DTV_STAT_PRE_ERROR_BIT_COUNT 64 394 #define DTV_STAT_PRE_TOTAL_BIT_COUNT 65 395 #define DTV_STAT_POST_ERROR_BIT_COUNT 66 396 #define DTV_STAT_POST_TOTAL_BIT_COUNT 67 397 #define DTV_STAT_ERROR_BLOCK_COUNT 68 398 #define DTV_STAT_TOTAL_BLOCK_COUNT 69 399 400 #define DTV_MAX_COMMAND DTV_STAT_TOTAL_BLOCK_COUNT 401 402 enum fe_pilot { 403 PILOT_ON, 404 PILOT_OFF, 405 PILOT_AUTO, 406 }; 407 408 typedef enum fe_pilot fe_pilot_t; 409 410 enum fe_rolloff { 411 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */ 412 ROLLOFF_20, 413 ROLLOFF_25, 414 ROLLOFF_AUTO, 415 }; 416 417 typedef enum fe_rolloff fe_rolloff_t; 418 419 enum fe_delivery_system { 420 SYS_UNDEFINED, 421 SYS_DVBC_ANNEX_A, 422 SYS_DVBC_ANNEX_B, 423 SYS_DVBT, 424 SYS_DSS, 425 SYS_DVBS, 426 SYS_DVBS2, 427 SYS_DVBH, 428 SYS_ISDBT, 429 SYS_ISDBS, 430 SYS_ISDBC, 431 SYS_ATSC, 432 SYS_ATSCMH, 433 SYS_DTMB, 434 SYS_CMMB, 435 SYS_DAB, 436 SYS_DVBT2, 437 SYS_TURBO, 438 SYS_DVBC_ANNEX_C, 439 }; 440 441 typedef enum fe_delivery_system fe_delivery_system_t; 442 443 /* backward compatibility */ 444 #define SYS_DVBC_ANNEX_AC SYS_DVBC_ANNEX_A 445 #define SYS_DMBTH SYS_DTMB /* DMB-TH is legacy name, use DTMB instead */ 446 447 /* ATSC-MH */ 448 449 enum atscmh_sccc_block_mode { 450 ATSCMH_SCCC_BLK_SEP = 0, 451 ATSCMH_SCCC_BLK_COMB = 1, 452 ATSCMH_SCCC_BLK_RES = 2, 453 }; 454 455 enum atscmh_sccc_code_mode { 456 ATSCMH_SCCC_CODE_HLF = 0, 457 ATSCMH_SCCC_CODE_QTR = 1, 458 ATSCMH_SCCC_CODE_RES = 2, 459 }; 460 461 enum atscmh_rs_frame_ensemble { 462 ATSCMH_RSFRAME_ENS_PRI = 0, 463 ATSCMH_RSFRAME_ENS_SEC = 1, 464 }; 465 466 enum atscmh_rs_frame_mode { 467 ATSCMH_RSFRAME_PRI_ONLY = 0, 468 ATSCMH_RSFRAME_PRI_SEC = 1, 469 ATSCMH_RSFRAME_RES = 2, 470 }; 471 472 enum atscmh_rs_code_mode { 473 ATSCMH_RSCODE_211_187 = 0, 474 ATSCMH_RSCODE_223_187 = 1, 475 ATSCMH_RSCODE_235_187 = 2, 476 ATSCMH_RSCODE_RES = 3, 477 }; 478 479 #define NO_STREAM_ID_FILTER (~0U) 480 #define LNA_AUTO (~0U) 481 482 struct dtv_cmds_h { 483 char *name; /* A display name for debugging purposes */ 484 485 __u32 cmd; /* A unique ID */ 486 487 /* Flags */ 488 __u32 set:1; /* Either a set or get property */ 489 __u32 buffer:1; /* Does this property use the buffer? */ 490 __u32 reserved:30; /* Align */ 491 }; 492 493 /** 494 * Scale types for the quality parameters. 495 * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That 496 * could indicate a temporary or a permanent 497 * condition. 498 * @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically 499 * used on signal measures. 500 * @FE_SCALE_RELATIVE: The scale is a relative percentual measure, 501 * ranging from 0 (0%) to 0xffff (100%). 502 * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like 503 * bit error, block error, lapsed time. 504 */ 505 enum fecap_scale_params { 506 FE_SCALE_NOT_AVAILABLE = 0, 507 FE_SCALE_DECIBEL, 508 FE_SCALE_RELATIVE, 509 FE_SCALE_COUNTER 510 }; 511 512 /** 513 * struct dtv_stats - Used for reading a DTV status property 514 * 515 * @value: value of the measure. Should range from 0 to 0xffff; 516 * @scale: Filled with enum fecap_scale_params - the scale 517 * in usage for that parameter 518 * 519 * For most delivery systems, this will return a single value for each 520 * parameter. 521 * It should be noticed, however, that new OFDM delivery systems like 522 * ISDB can use different modulation types for each group of carriers. 523 * On such standards, up to 8 groups of statistics can be provided, one 524 * for each carrier group (called "layer" on ISDB). 525 * In order to be consistent with other delivery systems, the first 526 * value refers to the entire set of carriers ("global"). 527 * dtv_status:scale should use the value FE_SCALE_NOT_AVAILABLE when 528 * the value for the entire group of carriers or from one specific layer 529 * is not provided by the hardware. 530 * st.len should be filled with the latest filled status + 1. 531 * 532 * In other words, for ISDB, those values should be filled like: 533 * u.st.stat.svalue[0] = global statistics; 534 * u.st.stat.scale[0] = FE_SCALE_DECIBELS; 535 * u.st.stat.value[1] = layer A statistics; 536 * u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available); 537 * u.st.stat.svalue[2] = layer B statistics; 538 * u.st.stat.scale[2] = FE_SCALE_DECIBELS; 539 * u.st.stat.svalue[3] = layer C statistics; 540 * u.st.stat.scale[3] = FE_SCALE_DECIBELS; 541 * u.st.len = 4; 542 */ 543 struct dtv_stats { 544 __u8 scale; /* enum fecap_scale_params type */ 545 union { 546 __u64 uvalue; /* for counters and relative scales */ 547 __s64 svalue; /* for 0.001 dB measures */ 548 }; 549 } __attribute__ ((packed)); 550 551 552 #define MAX_DTV_STATS 4 553 554 struct dtv_fe_stats { 555 __u8 len; 556 struct dtv_stats stat[MAX_DTV_STATS]; 557 } __attribute__ ((packed)); 558 559 struct dtv_property { 560 __u32 cmd; 561 __u32 reserved[3]; 562 union { 563 __u32 data; 564 struct dtv_fe_stats st; 565 struct { 566 __u8 data[32]; 567 __u32 len; 568 __u32 reserved1[3]; 569 void *reserved2; 570 } buffer; 571 } u; 572 int result; 573 } __attribute__ ((packed)); 574 575 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ 576 #define DTV_IOCTL_MAX_MSGS 64 577 578 struct dtv_properties { 579 __u32 num; 580 struct dtv_property *props; 581 }; 582 583 #define FE_SET_PROPERTY _IOW('o', 82, struct dtv_properties) 584 #define FE_GET_PROPERTY _IOR('o', 83, struct dtv_properties) 585 586 587 /** 588 * When set, this flag will disable any zigzagging or other "normal" tuning 589 * behaviour. Additionally, there will be no automatic monitoring of the lock 590 * status, and hence no frontend events will be generated. If a frontend device 591 * is closed, this flag will be automatically turned off when the device is 592 * reopened read-write. 593 */ 594 #define FE_TUNE_MODE_ONESHOT 0x01 595 596 597 #define FE_GET_INFO _IOR('o', 61, struct dvb_frontend_info) 598 599 #define FE_DISEQC_RESET_OVERLOAD _IO('o', 62) 600 #define FE_DISEQC_SEND_MASTER_CMD _IOW('o', 63, struct dvb_diseqc_master_cmd) 601 #define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply) 602 #define FE_DISEQC_SEND_BURST _IO('o', 65) /* fe_sec_mini_cmd_t */ 603 604 #define FE_SET_TONE _IO('o', 66) /* fe_sec_tone_mode_t */ 605 #define FE_SET_VOLTAGE _IO('o', 67) /* fe_sec_voltage_t */ 606 #define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68) /* int */ 607 608 #define FE_READ_STATUS _IOR('o', 69, fe_status_t) 609 #define FE_READ_BER _IOR('o', 70, __u32) 610 #define FE_READ_SIGNAL_STRENGTH _IOR('o', 71, __u16) 611 #define FE_READ_SNR _IOR('o', 72, __u16) 612 #define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32) 613 614 #define FE_SET_FRONTEND _IOW('o', 76, struct dvb_frontend_parameters) 615 #define FE_GET_FRONTEND _IOR('o', 77, struct dvb_frontend_parameters) 616 #define FE_SET_FRONTEND_TUNE_MODE _IO('o', 81) /* unsigned int */ 617 #define FE_GET_EVENT _IOR('o', 78, struct dvb_frontend_event) 618 619 #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */ 620 621 #endif /*_DVBFRONTEND_H_*/ 622