Based on kernel version 3.0.4. Page generated on 2011-10-03 22:07 EST.
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 32 typedef enum fe_type { 33 FE_QPSK, 34 FE_QAM, 35 FE_OFDM, 36 FE_ATSC 37 } fe_type_t; 38 39 40 typedef enum fe_caps { 41 FE_IS_STUPID = 0, 42 FE_CAN_INVERSION_AUTO = 0x1, 43 FE_CAN_FEC_1_2 = 0x2, 44 FE_CAN_FEC_2_3 = 0x4, 45 FE_CAN_FEC_3_4 = 0x8, 46 FE_CAN_FEC_4_5 = 0x10, 47 FE_CAN_FEC_5_6 = 0x20, 48 FE_CAN_FEC_6_7 = 0x40, 49 FE_CAN_FEC_7_8 = 0x80, 50 FE_CAN_FEC_8_9 = 0x100, 51 FE_CAN_FEC_AUTO = 0x200, 52 FE_CAN_QPSK = 0x400, 53 FE_CAN_QAM_16 = 0x800, 54 FE_CAN_QAM_32 = 0x1000, 55 FE_CAN_QAM_64 = 0x2000, 56 FE_CAN_QAM_128 = 0x4000, 57 FE_CAN_QAM_256 = 0x8000, 58 FE_CAN_QAM_AUTO = 0x10000, 59 FE_CAN_TRANSMISSION_MODE_AUTO = 0x20000, 60 FE_CAN_BANDWIDTH_AUTO = 0x40000, 61 FE_CAN_GUARD_INTERVAL_AUTO = 0x80000, 62 FE_CAN_HIERARCHY_AUTO = 0x100000, 63 FE_CAN_8VSB = 0x200000, 64 FE_CAN_16VSB = 0x400000, 65 FE_HAS_EXTENDED_CAPS = 0x800000, /* We need more bitspace for newer APIs, indicate this. */ 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; 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 typedef enum fe_status { 126 FE_HAS_SIGNAL = 0x01, /* found something above the noise level */ 127 FE_HAS_CARRIER = 0x02, /* found a DVB signal */ 128 FE_HAS_VITERBI = 0x04, /* FEC is stable */ 129 FE_HAS_SYNC = 0x08, /* found sync bytes */ 130 FE_HAS_LOCK = 0x10, /* everything's working... */ 131 FE_TIMEDOUT = 0x20, /* no lock within the last ~2 seconds */ 132 FE_REINIT = 0x40 /* frontend was reinitialized, */ 133 } fe_status_t; /* application is recommended to reset */ 134 /* DiSEqC, tone and parameters */ 135 136 typedef enum fe_spectral_inversion { 137 INVERSION_OFF, 138 INVERSION_ON, 139 INVERSION_AUTO 140 } fe_spectral_inversion_t; 141 142 143 typedef enum fe_code_rate { 144 FEC_NONE = 0, 145 FEC_1_2, 146 FEC_2_3, 147 FEC_3_4, 148 FEC_4_5, 149 FEC_5_6, 150 FEC_6_7, 151 FEC_7_8, 152 FEC_8_9, 153 FEC_AUTO, 154 FEC_3_5, 155 FEC_9_10, 156 } fe_code_rate_t; 157 158 159 typedef enum fe_modulation { 160 QPSK, 161 QAM_16, 162 QAM_32, 163 QAM_64, 164 QAM_128, 165 QAM_256, 166 QAM_AUTO, 167 VSB_8, 168 VSB_16, 169 PSK_8, 170 APSK_16, 171 APSK_32, 172 DQPSK, 173 } fe_modulation_t; 174 175 typedef enum fe_transmit_mode { 176 TRANSMISSION_MODE_2K, 177 TRANSMISSION_MODE_8K, 178 TRANSMISSION_MODE_AUTO, 179 TRANSMISSION_MODE_4K, 180 TRANSMISSION_MODE_1K, 181 TRANSMISSION_MODE_16K, 182 TRANSMISSION_MODE_32K, 183 } fe_transmit_mode_t; 184 185 typedef enum fe_bandwidth { 186 BANDWIDTH_8_MHZ, 187 BANDWIDTH_7_MHZ, 188 BANDWIDTH_6_MHZ, 189 BANDWIDTH_AUTO, 190 BANDWIDTH_5_MHZ, 191 BANDWIDTH_10_MHZ, 192 BANDWIDTH_1_712_MHZ, 193 } fe_bandwidth_t; 194 195 196 typedef enum fe_guard_interval { 197 GUARD_INTERVAL_1_32, 198 GUARD_INTERVAL_1_16, 199 GUARD_INTERVAL_1_8, 200 GUARD_INTERVAL_1_4, 201 GUARD_INTERVAL_AUTO, 202 GUARD_INTERVAL_1_128, 203 GUARD_INTERVAL_19_128, 204 GUARD_INTERVAL_19_256, 205 } fe_guard_interval_t; 206 207 208 typedef enum fe_hierarchy { 209 HIERARCHY_NONE, 210 HIERARCHY_1, 211 HIERARCHY_2, 212 HIERARCHY_4, 213 HIERARCHY_AUTO 214 } fe_hierarchy_t; 215 216 217 struct dvb_qpsk_parameters { 218 __u32 symbol_rate; /* symbol rate in Symbols per second */ 219 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 220 }; 221 222 struct dvb_qam_parameters { 223 __u32 symbol_rate; /* symbol rate in Symbols per second */ 224 fe_code_rate_t fec_inner; /* forward error correction (see above) */ 225 fe_modulation_t modulation; /* modulation type (see above) */ 226 }; 227 228 struct dvb_vsb_parameters { 229 fe_modulation_t modulation; /* modulation type (see above) */ 230 }; 231 232 struct dvb_ofdm_parameters { 233 fe_bandwidth_t bandwidth; 234 fe_code_rate_t code_rate_HP; /* high priority stream code rate */ 235 fe_code_rate_t code_rate_LP; /* low priority stream code rate */ 236 fe_modulation_t constellation; /* modulation type (see above) */ 237 fe_transmit_mode_t transmission_mode; 238 fe_guard_interval_t guard_interval; 239 fe_hierarchy_t hierarchy_information; 240 }; 241 242 243 struct dvb_frontend_parameters { 244 __u32 frequency; /* (absolute) frequency in Hz for QAM/OFDM/ATSC */ 245 /* intermediate frequency in kHz for QPSK */ 246 fe_spectral_inversion_t inversion; 247 union { 248 struct dvb_qpsk_parameters qpsk; 249 struct dvb_qam_parameters qam; 250 struct dvb_ofdm_parameters ofdm; 251 struct dvb_vsb_parameters vsb; 252 } u; 253 }; 254 255 256 struct dvb_frontend_event { 257 fe_status_t status; 258 struct dvb_frontend_parameters parameters; 259 }; 260 261 /* S2API Commands */ 262 #define DTV_UNDEFINED 0 263 #define DTV_TUNE 1 264 #define DTV_CLEAR 2 265 #define DTV_FREQUENCY 3 266 #define DTV_MODULATION 4 267 #define DTV_BANDWIDTH_HZ 5 268 #define DTV_INVERSION 6 269 #define DTV_DISEQC_MASTER 7 270 #define DTV_SYMBOL_RATE 8 271 #define DTV_INNER_FEC 9 272 #define DTV_VOLTAGE 10 273 #define DTV_TONE 11 274 #define DTV_PILOT 12 275 #define DTV_ROLLOFF 13 276 #define DTV_DISEQC_SLAVE_REPLY 14 277 278 /* Basic enumeration set for querying unlimited capabilities */ 279 #define DTV_FE_CAPABILITY_COUNT 15 280 #define DTV_FE_CAPABILITY 16 281 #define DTV_DELIVERY_SYSTEM 17 282 283 /* ISDB-T and ISDB-Tsb */ 284 #define DTV_ISDBT_PARTIAL_RECEPTION 18 285 #define DTV_ISDBT_SOUND_BROADCASTING 19 286 287 #define DTV_ISDBT_SB_SUBCHANNEL_ID 20 288 #define DTV_ISDBT_SB_SEGMENT_IDX 21 289 #define DTV_ISDBT_SB_SEGMENT_COUNT 22 290 291 #define DTV_ISDBT_LAYERA_FEC 23 292 #define DTV_ISDBT_LAYERA_MODULATION 24 293 #define DTV_ISDBT_LAYERA_SEGMENT_COUNT 25 294 #define DTV_ISDBT_LAYERA_TIME_INTERLEAVING 26 295 296 #define DTV_ISDBT_LAYERB_FEC 27 297 #define DTV_ISDBT_LAYERB_MODULATION 28 298 #define DTV_ISDBT_LAYERB_SEGMENT_COUNT 29 299 #define DTV_ISDBT_LAYERB_TIME_INTERLEAVING 30 300 301 #define DTV_ISDBT_LAYERC_FEC 31 302 #define DTV_ISDBT_LAYERC_MODULATION 32 303 #define DTV_ISDBT_LAYERC_SEGMENT_COUNT 33 304 #define DTV_ISDBT_LAYERC_TIME_INTERLEAVING 34 305 306 #define DTV_API_VERSION 35 307 308 #define DTV_CODE_RATE_HP 36 309 #define DTV_CODE_RATE_LP 37 310 #define DTV_GUARD_INTERVAL 38 311 #define DTV_TRANSMISSION_MODE 39 312 #define DTV_HIERARCHY 40 313 314 #define DTV_ISDBT_LAYER_ENABLED 41 315 316 #define DTV_ISDBS_TS_ID 42 317 318 #define DTV_DVBT2_PLP_ID 43 319 320 #define DTV_MAX_COMMAND DTV_DVBT2_PLP_ID 321 322 typedef enum fe_pilot { 323 PILOT_ON, 324 PILOT_OFF, 325 PILOT_AUTO, 326 } fe_pilot_t; 327 328 typedef enum fe_rolloff { 329 ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */ 330 ROLLOFF_20, 331 ROLLOFF_25, 332 ROLLOFF_AUTO, 333 } fe_rolloff_t; 334 335 typedef enum fe_delivery_system { 336 SYS_UNDEFINED, 337 SYS_DVBC_ANNEX_AC, 338 SYS_DVBC_ANNEX_B, 339 SYS_DVBT, 340 SYS_DSS, 341 SYS_DVBS, 342 SYS_DVBS2, 343 SYS_DVBH, 344 SYS_ISDBT, 345 SYS_ISDBS, 346 SYS_ISDBC, 347 SYS_ATSC, 348 SYS_ATSCMH, 349 SYS_DMBTH, 350 SYS_CMMB, 351 SYS_DAB, 352 SYS_DVBT2, 353 } fe_delivery_system_t; 354 355 struct dtv_cmds_h { 356 char *name; /* A display name for debugging purposes */ 357 358 __u32 cmd; /* A unique ID */ 359 360 /* Flags */ 361 __u32 set:1; /* Either a set or get property */ 362 __u32 buffer:1; /* Does this property use the buffer? */ 363 __u32 reserved:30; /* Align */ 364 }; 365 366 struct dtv_property { 367 __u32 cmd; 368 __u32 reserved[3]; 369 union { 370 __u32 data; 371 struct { 372 __u8 data[32]; 373 __u32 len; 374 __u32 reserved1[3]; 375 void *reserved2; 376 } buffer; 377 } u; 378 int result; 379 } __attribute__ ((packed)); 380 381 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */ 382 #define DTV_IOCTL_MAX_MSGS 64 383 384 struct dtv_properties { 385 __u32 num; 386 struct dtv_property *props; 387 }; 388 389 #define <link linkend="FE_GET_PROPERTY">FE_SET_PROPERTY</link> _IOW('o', 82, struct dtv_properties) 390 #define <link linkend="FE_GET_PROPERTY">FE_GET_PROPERTY</link> _IOR('o', 83, struct dtv_properties) 391 392 393 /** 394 * When set, this flag will disable any zigzagging or other "normal" tuning 395 * behaviour. Additionally, there will be no automatic monitoring of the lock 396 * status, and hence no frontend events will be generated. If a frontend device 397 * is closed, this flag will be automatically turned off when the device is 398 * reopened read-write. 399 */ 400 #define FE_TUNE_MODE_ONESHOT 0x01 401 402 403 #define <link linkend="FE_GET_INFO">FE_GET_INFO</link> _IOR('o', 61, struct dvb_frontend_info) 404 405 #define <link linkend="FE_DISEQC_RESET_OVERLOAD">FE_DISEQC_RESET_OVERLOAD</link> _IO('o', 62) 406 #define <link linkend="FE_DISEQC_SEND_MASTER_CMD">FE_DISEQC_SEND_MASTER_CMD</link> _IOW('o', 63, struct dvb_diseqc_master_cmd) 407 #define <link linkend="FE_DISEQC_RECV_SLAVE_REPLY">FE_DISEQC_RECV_SLAVE_REPLY</link> _IOR('o', 64, struct dvb_diseqc_slave_reply) 408 #define <link linkend="FE_DISEQC_SEND_BURST">FE_DISEQC_SEND_BURST</link> _IO('o', 65) /* fe_sec_mini_cmd_t */ 409 410 #define <link linkend="FE_SET_TONE">FE_SET_TONE</link> _IO('o', 66) /* fe_sec_tone_mode_t */ 411 #define <link linkend="FE_SET_VOLTAGE">FE_SET_VOLTAGE</link> _IO('o', 67) /* fe_sec_voltage_t */ 412 #define <link linkend="FE_ENABLE_HIGH_LNB_VOLTAGE">FE_ENABLE_HIGH_LNB_VOLTAGE</link> _IO('o', 68) /* int */ 413 414 #define <link linkend="FE_READ_STATUS">FE_READ_STATUS</link> _IOR('o', 69, fe_status_t) 415 #define <link linkend="FE_READ_BER">FE_READ_BER</link> _IOR('o', 70, __u32) 416 #define <link linkend="FE_READ_SIGNAL_STRENGTH">FE_READ_SIGNAL_STRENGTH</link> _IOR('o', 71, __u16) 417 #define <link linkend="FE_READ_SNR">FE_READ_SNR</link> _IOR('o', 72, __u16) 418 #define <link linkend="FE_READ_UNCORRECTED_BLOCKS">FE_READ_UNCORRECTED_BLOCKS</link> _IOR('o', 73, __u32) 419 420 #define <link linkend="FE_SET_FRONTEND">FE_SET_FRONTEND</link> _IOW('o', 76, struct dvb_frontend_parameters) 421 #define <link linkend="FE_GET_FRONTEND">FE_GET_FRONTEND</link> _IOR('o', 77, struct dvb_frontend_parameters) 422 #define <link linkend="FE_SET_FRONTEND_TUNE_MODE">FE_SET_FRONTEND_TUNE_MODE</link> _IO('o', 81) /* unsigned int */ 423 #define <link linkend="FE_GET_EVENT">FE_GET_EVENT</link> _IOR('o', 78, struct dvb_frontend_event) 424 425 #define <link linkend="FE_DISHNETWORK_SEND_LEGACY_CMD">FE_DISHNETWORK_SEND_LEGACY_CMD</link> _IO('o', 80) /* unsigned int */ 426 427 #endif /*_DVBFRONTEND_H_*/ 428 </programlisting>
