1<programlisting> 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 * This program is free software; you can redistribute it and/or 12 * modify it under the terms of the GNU Lesser General Public License 13 * as published by the Free Software Foundation; either version 2.1 14 * of the License, or (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU Lesser General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. 24 * 25 */ 26 27#ifndef _DVBFRONTEND_H_ 28#define _DVBFRONTEND_H_ 29 30#include <linux/types.h> 31 32enum fe_type { 33 &FE-QPSK;, 34 &FE-QAM;, 35 &FE-OFDM;, 36 &FE-ATSC; 37}; 38 39enum 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 73struct <link linkend="dvb-frontend-info">dvb_frontend_info</link> { 74 char name[128]; 75 enum fe_type type; /* DEPRECATED. Use DTV_ENUM_DELSYS instead */ 76 __u32 frequency_min; 77 __u32 frequency_max; 78 __u32 frequency_stepsize; 79 __u32 frequency_tolerance; 80 __u32 symbol_rate_min; 81 __u32 symbol_rate_max; 82 __u32 symbol_rate_tolerance; /* ppm */ 83 __u32 notifier_delay; /* DEPRECATED */ 84 enum fe_caps caps; 85}; 86 87 88/** 89 * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for 90 * the meaning of this struct... 91 */ 92struct <link linkend="dvb-diseqc-master-cmd">dvb_diseqc_master_cmd</link> { 93 __u8 msg [6]; /* { framing, address, command, data [3] } */ 94 __u8 msg_len; /* valid values are 3...6 */ 95}; 96 97struct <link linkend="dvb-diseqc-slave-reply">dvb_diseqc_slave_reply</link> { 98 __u8 msg [4]; /* { framing, data [3] } */ 99 __u8 msg_len; /* valid values are 0...4, 0 means no msg */ 100 int timeout; /* return from ioctl after timeout ms with */ 101}; /* errorcode when no message was received */ 102 103enum fe_sec_voltage { 104 &SEC-VOLTAGE-13;, 105 &SEC-VOLTAGE-18;, 106 &SEC-VOLTAGE-OFF; 107}; 108 109enum fe_sec_tone_mode { 110 &SEC-TONE-ON;, 111 &SEC-TONE-OFF; 112}; 113 114enum fe_sec_mini_cmd { 115 &SEC-MINI-A;, 116 &SEC-MINI-B; 117}; 118 119/** 120 * enum fe_status - enumerates the possible frontend status 121 * @&FE-HAS-SIGNAL;: found something above the noise level 122 * @&FE-HAS-CARRIER;: found a DVB signal 123 * @&FE-HAS-VITERBI;: FEC is stable 124 * @&FE-HAS-SYNC;: found sync bytes 125 * @&FE-HAS-LOCK;: everything's working 126 * @&FE-TIMEDOUT;: no lock within the last ~2 seconds 127 * @&FE-REINIT;: frontend was reinitialized, application is recommended 128 * to reset DiSEqC, tone and parameters 129 */ 130enum fe_status { 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 140enum fe_spectral_inversion { 141 &INVERSION-OFF;, 142 &INVERSION-ON;, 143 &INVERSION-AUTO; 144}; 145 146enum 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 162enum 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 179enum 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 191enum 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 205enum fe_hierarchy { 206 &HIERARCHY-NONE;, 207 &HIERARCHY-1;, 208 &HIERARCHY-2;, 209 &HIERARCHY-4;, 210 &HIERARCHY-AUTO; 211}; 212 213enum fe_interleaving { 214 &INTERLEAVING-NONE;, 215 &INTERLEAVING-AUTO;, 216 &INTERLEAVING-240;, 217 &INTERLEAVING-720;, 218}; 219 220/* S2API Commands */ 221#define <link linkend="DTV-UNDEFINED">DTV_UNDEFINED</link> 0 222#define <link linkend="DTV-TUNE">DTV_TUNE</link> 1 223#define <link linkend="DTV-CLEAR">DTV_CLEAR</link> 2 224#define <link linkend="DTV-FREQUENCY">DTV_FREQUENCY</link> 3 225#define <link linkend="DTV-MODULATION">DTV_MODULATION</link> 4 226#define <link linkend="DTV-BANDWIDTH-HZ">DTV_BANDWIDTH_HZ</link> 5 227#define <link linkend="DTV-INVERSION">DTV_INVERSION</link> 6 228#define <link linkend="DTV-DISEQC-MASTER">DTV_DISEQC_MASTER</link> 7 229#define <link linkend="DTV-SYMBOL-RATE">DTV_SYMBOL_RATE</link> 8 230#define <link linkend="DTV-INNER-FEC">DTV_INNER_FEC</link> 9 231#define <link linkend="DTV-VOLTAGE">DTV_VOLTAGE</link> 10 232#define <link linkend="DTV-TONE">DTV_TONE</link> 11 233#define <link linkend="DTV-PILOT">DTV_PILOT</link> 12 234#define <link linkend="DTV-ROLLOFF">DTV_ROLLOFF</link> 13 235#define <link linkend="DTV-DISEQC-SLAVE-REPLY">DTV_DISEQC_SLAVE_REPLY</link> 14 236 237/* Basic enumeration set for querying unlimited capabilities */ 238#define <link linkend="DTV-FE-CAPABILITY-COUNT">DTV_FE_CAPABILITY_COUNT</link> 15 239#define <link linkend="DTV-FE-CAPABILITY">DTV_FE_CAPABILITY</link> 16 240#define <link linkend="DTV-DELIVERY-SYSTEM">DTV_DELIVERY_SYSTEM</link> 17 241 242/* ISDB-T and ISDB-Tsb */ 243#define <link linkend="DTV-ISDBT-PARTIAL-RECEPTION">DTV_ISDBT_PARTIAL_RECEPTION</link> 18 244#define <link linkend="DTV-ISDBT-SOUND-BROADCASTING">DTV_ISDBT_SOUND_BROADCASTING</link> 19 245 246#define <link linkend="DTV-ISDBT-SB-SUBCHANNEL-ID">DTV_ISDBT_SB_SUBCHANNEL_ID</link> 20 247#define <link linkend="DTV-ISDBT-SB-SEGMENT-IDX">DTV_ISDBT_SB_SEGMENT_IDX</link> 21 248#define <link linkend="DTV-ISDBT-SB-SEGMENT-COUNT">DTV_ISDBT_SB_SEGMENT_COUNT</link> 22 249 250#define <link linkend="DTV-ISDBT-LAYER-FEC">DTV_ISDBT_LAYERA_FEC</link> 23 251#define <link linkend="DTV-ISDBT-LAYER-MODULATION">DTV_ISDBT_LAYERA_MODULATION</link> 24 252#define <link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT">DTV_ISDBT_LAYERA_SEGMENT_COUNT</link> 25 253#define <link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING">DTV_ISDBT_LAYERA_TIME_INTERLEAVING</link> 26 254 255#define <link linkend="DTV-ISDBT-LAYER-FEC">DTV_ISDBT_LAYERB_FEC</link> 27 256#define <link linkend="DTV-ISDBT-LAYER-MODULATION">DTV_ISDBT_LAYERB_MODULATION</link> 28 257#define <link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT">DTV_ISDBT_LAYERB_SEGMENT_COUNT</link> 29 258#define <link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING">DTV_ISDBT_LAYERB_TIME_INTERLEAVING</link> 30 259 260#define <link linkend="DTV-ISDBT-LAYER-FEC">DTV_ISDBT_LAYERC_FEC</link> 31 261#define <link linkend="DTV-ISDBT-LAYER-MODULATION">DTV_ISDBT_LAYERC_MODULATION</link> 32 262#define <link linkend="DTV-ISDBT-LAYER-SEGMENT-COUNT">DTV_ISDBT_LAYERC_SEGMENT_COUNT</link> 33 263#define <link linkend="DTV-ISDBT-LAYER-TIME-INTERLEAVING">DTV_ISDBT_LAYERC_TIME_INTERLEAVING</link> 34 264 265#define <link linkend="DTV-API-VERSION">DTV_API_VERSION</link> 35 266 267#define <link linkend="DTV-CODE-RATE-HP">DTV_CODE_RATE_HP</link> 36 268#define <link linkend="DTV-CODE-RATE-LP">DTV_CODE_RATE_LP</link> 37 269#define <link linkend="DTV-GUARD-INTERVAL">DTV_GUARD_INTERVAL</link> 38 270#define <link linkend="DTV-TRANSMISSION-MODE">DTV_TRANSMISSION_MODE</link> 39 271#define <link linkend="DTV-HIERARCHY">DTV_HIERARCHY</link> 40 272 273#define <link linkend="DTV-ISDBT-LAYER-ENABLED">DTV_ISDBT_LAYER_ENABLED</link> 41 274 275#define <link linkend="DTV-STREAM-ID">DTV_STREAM_ID</link> 42 276#define DTV_ISDBS_TS_ID_LEGACY DTV_STREAM_ID 277#define <link linkend="DTV-DVBT2-PLP-ID-LEGACY">DTV_DVBT2_PLP_ID_LEGACY</link> 43 278 279#define <link linkend="DTV-ENUM-DELSYS">DTV_ENUM_DELSYS</link> 44 280 281/* ATSC-MH */ 282#define <link linkend="DTV-ATSCMH-FIC-VER">DTV_ATSCMH_FIC_VER</link> 45 283#define <link linkend="DTV-ATSCMH-PARADE-ID">DTV_ATSCMH_PARADE_ID</link> 46 284#define <link linkend="DTV-ATSCMH-NOG">DTV_ATSCMH_NOG</link> 47 285#define <link linkend="DTV-ATSCMH-TNOG">DTV_ATSCMH_TNOG</link> 48 286#define <link linkend="DTV-ATSCMH-SGN">DTV_ATSCMH_SGN</link> 49 287#define <link linkend="DTV-ATSCMH-PRC">DTV_ATSCMH_PRC</link> 50 288#define <link linkend="DTV-ATSCMH-RS-FRAME-MODE">DTV_ATSCMH_RS_FRAME_MODE</link> 51 289#define <link linkend="DTV-ATSCMH-RS-FRAME-ENSEMBLE">DTV_ATSCMH_RS_FRAME_ENSEMBLE</link> 52 290#define <link linkend="DTV-ATSCMH-RS-CODE-MODE-PRI">DTV_ATSCMH_RS_CODE_MODE_PRI</link> 53 291#define <link linkend="DTV-ATSCMH-RS-CODE-MODE-SEC">DTV_ATSCMH_RS_CODE_MODE_SEC</link> 54 292#define <link linkend="DTV-ATSCMH-SCCC-BLOCK-MODE">DTV_ATSCMH_SCCC_BLOCK_MODE</link> 55 293#define <link linkend="DTV-ATSCMH-SCCC-CODE-MODE-A">DTV_ATSCMH_SCCC_CODE_MODE_A</link> 56 294#define <link linkend="DTV-ATSCMH-SCCC-CODE-MODE-B">DTV_ATSCMH_SCCC_CODE_MODE_B</link> 57 295#define <link linkend="DTV-ATSCMH-SCCC-CODE-MODE-C">DTV_ATSCMH_SCCC_CODE_MODE_C</link> 58 296#define <link linkend="DTV-ATSCMH-SCCC-CODE-MODE-D">DTV_ATSCMH_SCCC_CODE_MODE_D</link> 59 297 298#define <link linkend="DTV-INTERLEAVING">DTV_INTERLEAVING</link> 60 299#define <link linkend="DTV-LNA">DTV_LNA</link> 61 300 301/* Quality parameters */ 302#define <link linkend="DTV-STAT-SIGNAL-STRENGTH">DTV_STAT_SIGNAL_STRENGTH</link> 62 303#define <link linkend="DTV-STAT-CNR">DTV_STAT_CNR</link> 63 304#define <link linkend="DTV-STAT-PRE-ERROR-BIT-COUNT">DTV_STAT_PRE_ERROR_BIT_COUNT</link> 64 305#define <link linkend="DTV-STAT-PRE-TOTAL-BIT-COUNT">DTV_STAT_PRE_TOTAL_BIT_COUNT</link> 65 306#define <link linkend="DTV-STAT-POST-ERROR-BIT-COUNT">DTV_STAT_POST_ERROR_BIT_COUNT</link> 66 307#define <link linkend="DTV-STAT-POST-TOTAL-BIT-COUNT">DTV_STAT_POST_TOTAL_BIT_COUNT</link> 67 308#define <link linkend="DTV-STAT-ERROR-BLOCK-COUNT">DTV_STAT_ERROR_BLOCK_COUNT</link> 68 309#define <link linkend="DTV-STAT-TOTAL-BLOCK-COUNT">DTV_STAT_TOTAL_BLOCK_COUNT</link> 69 310 311#define DTV_MAX_COMMAND DTV_STAT_TOTAL_BLOCK_COUNT 312 313enum fe_pilot { 314 &PILOT-ON;, 315 &PILOT-OFF;, 316 &PILOT-AUTO;, 317}; 318 319enum 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 326enum 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 354enum atscmh_sccc_block_mode { 355 &ATSCMH-SCCC-BLK-SEP; = 0, 356 &ATSCMH-SCCC-BLK-COMB; = 1, 357 &ATSCMH-SCCC-BLK-RES; = 2, 358}; 359 360enum atscmh_sccc_code_mode { 361 &ATSCMH-SCCC-CODE-HLF; = 0, 362 &ATSCMH-SCCC-CODE-QTR; = 1, 363 &ATSCMH-SCCC-CODE-RES; = 2, 364}; 365 366enum atscmh_rs_frame_ensemble { 367 &ATSCMH-RSFRAME-ENS-PRI; = 0, 368 &ATSCMH-RSFRAME-ENS-SEC; = 1, 369}; 370 371enum atscmh_rs_frame_mode { 372 &ATSCMH-RSFRAME-PRI-ONLY; = 0, 373 &ATSCMH-RSFRAME-PRI-SEC; = 1, 374 &ATSCMH-RSFRAME-RES; = 2, 375}; 376 377enum 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 387struct dtv_cmds_h { 388 char *name; /* A display name for debugging purposes */ 389 390 __u32 cmd; /* A unique ID */ 391 392 /* Flags */ 393 __u32 set:1; /* Either a set or get property */ 394 __u32 buffer:1; /* Does this property use the buffer? */ 395 __u32 reserved:30; /* Align */ 396}; 397 398/** 399 * Scale types for the quality parameters. 400 * @&FE-SCALE-NOT-AVAILABLE;: That QoS measure is not available. That 401 * could indicate a temporary or a permanent 402 * condition. 403 * @&FE-SCALE-DECIBEL;: The scale is measured in 0.001 dB steps, typically 404 * used on signal measures. 405 * @&FE-SCALE-RELATIVE;: The scale is a relative percentual measure, 406 * ranging from 0 (0%) to 0xffff (100%). 407 * @&FE-SCALE-COUNTER;: The scale counts the occurrence of an event, like 408 * bit error, block error, lapsed time. 409 */ 410enum fecap_scale_params { 411 &FE-SCALE-NOT-AVAILABLE; = 0, 412 &FE-SCALE-DECIBEL;, 413 &FE-SCALE-RELATIVE;, 414 &FE-SCALE-COUNTER; 415}; 416 417/** 418 * struct dtv_stats - Used for reading a DTV status property 419 * 420 * @value: value of the measure. Should range from 0 to 0xffff; 421 * @scale: Filled with enum fecap_scale_params - the scale 422 * in usage for that parameter 423 * 424 * For most delivery systems, this will return a single value for each 425 * parameter. 426 * It should be noticed, however, that new OFDM delivery systems like 427 * ISDB can use different modulation types for each group of carriers. 428 * On such standards, up to 8 groups of statistics can be provided, one 429 * for each carrier group (called "layer" on ISDB). 430 * In order to be consistent with other delivery systems, the first 431 * value refers to the entire set of carriers ("global"). 432 * dtv_status:scale should use the value &FE-SCALE-NOT-AVAILABLE; when 433 * the value for the entire group of carriers or from one specific layer 434 * is not provided by the hardware. 435 * st.len should be filled with the latest filled status + 1. 436 * 437 * In other words, for ISDB, those values should be filled like: 438 * u.st.stat.svalue[0] = global statistics; 439 * u.st.stat.scale[0] = &FE-SCALE-DECIBEL;; 440 * u.st.stat.value[1] = layer A statistics; 441 * u.st.stat.scale[1] = &FE-SCALE-NOT-AVAILABLE; (if not available); 442 * u.st.stat.svalue[2] = layer B statistics; 443 * u.st.stat.scale[2] = &FE-SCALE-DECIBEL;; 444 * u.st.stat.svalue[3] = layer C statistics; 445 * u.st.stat.scale[3] = &FE-SCALE-DECIBEL;; 446 * u.st.len = 4; 447 */ 448struct <link linkend="dtv-stats">dtv_stats</link> { 449 __u8 scale; /* enum fecap_scale_params type */ 450 union { 451 __u64 uvalue; /* for counters and relative scales */ 452 __s64 svalue; /* for 0.001 dB measures */ 453 }; 454} __attribute__ ((packed)); 455 456 457#define MAX_DTV_STATS 4 458 459struct <link linkend="dtv-fe-stats">dtv_fe_stats</link> { 460 __u8 len; 461 struct dtv_stats stat[MAX_DTV_STATS]; 462} __attribute__ ((packed)); 463 464struct <link linkend="dtv-property">dtv_property</link> { 465 __u32 cmd; 466 __u32 reserved[3]; 467 union { 468 __u32 data; 469 struct dtv_fe_stats st; 470 struct { 471 __u8 data[32]; 472 __u32 len; 473 __u32 reserved1[3]; 474 void *reserved2; 475 } buffer; 476 } u; 477 int result; 478} __attribute__ ((packed)); 479 480/* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ 481#define DTV_IOCTL_MAX_MSGS 64 482 483struct <link linkend="dtv-properties">dtv_properties</link> { 484 __u32 num; 485 struct dtv_property *props; 486}; 487 488#if defined(__DVB_CORE__) || !defined (__KERNEL__) 489 490/* 491 * DEPRECATED: The DVBv3 ioctls, structs and enums should not be used on 492 * newer programs, as it doesn't support the second generation of digital 493 * TV standards, nor supports newer delivery systems. 494 */ 495 496enum fe_bandwidth { 497 &BANDWIDTH-8-MHZ;, 498 &BANDWIDTH-7-MHZ;, 499 &BANDWIDTH-6-MHZ;, 500 &BANDWIDTH-AUTO;, 501 &BANDWIDTH-5-MHZ;, 502 &BANDWIDTH-10-MHZ;, 503 &BANDWIDTH-1-712-MHZ;, 504}; 505 506/* This is needed for legacy userspace support */ 507typedef enum fe_sec_voltage fe_sec_voltage_t; 508typedef enum fe_caps fe_caps_t; 509typedef enum fe_type fe_type_t; 510typedef enum fe_sec_tone_mode fe_sec_tone_mode_t; 511typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t; 512typedef enum fe_status fe_status_t; 513typedef enum fe_spectral_inversion fe_spectral_inversion_t; 514typedef enum fe_code_rate fe_code_rate_t; 515typedef enum fe_modulation fe_modulation_t; 516typedef enum fe_transmit_mode fe_transmit_mode_t; 517typedef enum fe_bandwidth fe_bandwidth_t; 518typedef enum fe_guard_interval fe_guard_interval_t; 519typedef enum fe_hierarchy fe_hierarchy_t; 520typedef enum fe_pilot fe_pilot_t; 521typedef enum fe_rolloff fe_rolloff_t; 522typedef enum fe_delivery_system fe_delivery_system_t; 523 524struct <link linkend="dvb-qpsk-parameters">dvb_qpsk_parameters</link> { 525 __u32 symbol_rate; /* symbol rate in Symbols per second */ 526 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 527}; 528 529struct <link linkend="dvb-qam-parameters">dvb_qam_parameters</link> { 530 __u32 symbol_rate; /* symbol rate in Symbols per second */ 531 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 532 fe_modulation_t modulation; /* modulation type (see above) */ 533}; 534 535struct <link linkend="dvb-vsb-parameters">dvb_vsb_parameters</link> { 536 fe_modulation_t modulation; /* modulation type (see above) */ 537}; 538 539struct <link linkend="dvb-ofdm-parameters">dvb_ofdm_parameters</link> { 540 fe_bandwidth_t bandwidth; 541 fe_code_rate_t code_rate_HP; /* high priority stream code rate */ 542 fe_code_rate_t code_rate_LP; /* low priority stream code rate */ 543 fe_modulation_t constellation; /* modulation type (see above) */ 544 fe_transmit_mode_t transmission_mode; 545 fe_guard_interval_t guard_interval; 546 fe_hierarchy_t hierarchy_information; 547}; 548 549struct <link linkend="dvb-frontend-parameters">dvb_frontend_parameters</link> { 550 __u32 frequency; /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */ 551 /* intermediate frequency in kHz for DVB-S */ 552 fe_spectral_inversion_t inversion; 553 union { 554 struct dvb_qpsk_parameters qpsk; /* DVB-S */ 555 struct dvb_qam_parameters qam; /* DVB-C */ 556 struct dvb_ofdm_parameters ofdm; /* DVB-T */ 557 struct dvb_vsb_parameters vsb; /* ATSC */ 558 } u; 559}; 560 561struct <link linkend="dvb-frontend-event">dvb_frontend_event</link> { 562 fe_status_t status; 563 struct dvb_frontend_parameters parameters; 564}; 565#endif 566 567#define <link linkend="FE_GET_PROPERTY">FE_SET_PROPERTY</link> _IOW('o', 82, struct dtv_properties) 568#define <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY</link> _IOR('o', 83, struct dtv_properties) 569 570/** 571 * When set, this flag will disable any zigzagging or other "normal" tuning 572 * behaviour. Additionally, there will be no automatic monitoring of the lock 573 * status, and hence no frontend events will be generated. If a frontend device 574 * is closed, this flag will be automatically turned off when the device is 575 * reopened read-write. 576 */ 577#define FE_TUNE_MODE_ONESHOT 0x01 578 579#define <link linkend="FE_GET_INFO">FE_GET_INFO</link> _IOR('o', 61, struct dvb_frontend_info) 580 581#define <link linkend="FE_DISEQC_RESET_OVERLOAD">FE_DISEQC_RESET_OVERLOAD</link> _IO('o', 62) 582#define <link linkend="FE_DISEQC_SEND_MASTER_CMD">FE_DISEQC_SEND_MASTER_CMD</link> _IOW('o', 63, struct dvb_diseqc_master_cmd) 583#define <link linkend="FE_DISEQC_RECV_SLAVE_REPLY">FE_DISEQC_RECV_SLAVE_REPLY</link> _IOR('o', 64, struct dvb_diseqc_slave_reply) 584#define <link linkend="FE_DISEQC_SEND_BURST">FE_DISEQC_SEND_BURST</link> _IO('o', 65) /* fe_sec_mini_cmd_t */ 585 586#define <link linkend="FE_SET_TONE">FE_SET_TONE</link> _IO('o', 66) /* fe_sec_tone_mode_t */ 587#define <link linkend="FE_SET_VOLTAGE">FE_SET_VOLTAGE</link> _IO('o', 67) /* fe_sec_voltage_t */ 588#define <link linkend="FE_ENABLE_HIGH_LNB_VOLTAGE">FE_ENABLE_HIGH_LNB_VOLTAGE</link> _IO('o', 68) /* int */ 589 590#define <link linkend="FE_READ_STATUS">FE_READ_STATUS</link> _IOR('o', 69, fe_status_t) 591#define <link linkend="FE_READ_BER">FE_READ_BER</link> _IOR('o', 70, __u32) 592#define <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link> _IOR('o', 71, __u16) 593#define <link linkend="FE_READ_SNR">FE_READ_SNR</link> _IOR('o', 72, __u16) 594#define <link linkend="FE_READ_UNCORRECTED_BLOCKS">FE_READ_UNCORRECTED_BLOCKS</link> _IOR('o', 73, __u32) 595 596#define <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> _IOW('o', 76, struct dvb_frontend_parameters) 597#define <link linkend="FE_GET_FRONTEND">FE_GET_FRONTEND</link> _IOR('o', 77, struct dvb_frontend_parameters) 598#define <link linkend="FE_SET_FRONTEND_TUNE_MODE">FE_SET_FRONTEND_TUNE_MODE</link> _IO('o', 81) /* unsigned int */ 599#define <link linkend="FE_GET_EVENT">FE_GET_EVENT</link> _IOR('o', 78, struct dvb_frontend_event) 600 601#define <link linkend="FE_DISHNETWORK_SEND_LEGACY_CMD">FE_DISHNETWORK_SEND_LEGACY_CMD</link> _IO('o', 80) /* unsigned int */ 602 603#endif /*_DVBFRONTEND_H_*/ 604</programlisting> 605