include/linux/dvb/frontend.h

   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
  31 typedef enum fe_type {
  32         FE_QPSK,
  33         FE_QAM,
  34         FE_OFDM,
  35         FE_ATSC
  36 } fe_type_t;
  37
  38
  39 typedef 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_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 } fe_caps_t;
  71
  72
  73 struct dvb_frontend_info {
  74         char       name[128];
  75         fe_type_t  type;
  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         fe_caps_t  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  */
  92 struct dvb_diseqc_master_cmd {
  93         __u8 msg [6];   /*  { framing, address, command, data [3] } */
  94         __u8 msg_len;   /*  valid values are 3...6  */
  95 };
  96
  97
  98 struct dvb_diseqc_slave_reply {
  99         __u8 msg [4];   /*  { framing, data [3] } */
 100         __u8 msg_len;   /*  valid values are 0...4, 0 means no msg  */
 101         int  timeout;   /*  return from ioctl after timeout ms with */
 102 };                      /*  errorcode when no message was received  */
 103
 104
 105 typedef enum fe_sec_voltage {
 106         SEC_VOLTAGE_13,
 107         SEC_VOLTAGE_18,
 108         SEC_VOLTAGE_OFF
 109 } fe_sec_voltage_t;
 110
 111
 112 typedef enum fe_sec_tone_mode {
 113         SEC_TONE_ON,
 114         SEC_TONE_OFF
 115 } fe_sec_tone_mode_t;
 116
 117
 118 typedef enum fe_sec_mini_cmd {
 119         SEC_MINI_A,
 120         SEC_MINI_B
 121 } fe_sec_mini_cmd_t;
 122
 123
 124 typedef enum fe_status {
 125         FE_HAS_SIGNAL   = 0x01,   /* found something above the noise level */
 126         FE_HAS_CARRIER  = 0x02,   /* found a DVB signal  */
 127         FE_HAS_VITERBI  = 0x04,   /* FEC is stable  */
 128         FE_HAS_SYNC     = 0x08,   /* found sync bytes  */
 129         FE_HAS_LOCK     = 0x10,   /* everything's working... */
 130         FE_TIMEDOUT     = 0x20,   /* no lock within the last ~2 seconds */
 131         FE_REINIT       = 0x40    /* frontend was reinitialized,  */
 132 } fe_status_t;                    /* application is recommended to reset */
 133                                   /* DiSEqC, tone and parameters */
 134
 135 typedef enum fe_spectral_inversion {
 136         INVERSION_OFF,
 137         INVERSION_ON,
 138         INVERSION_AUTO
 139 } fe_spectral_inversion_t;
 140
 141
 142 typedef enum fe_code_rate {
 143         FEC_NONE = 0,
 144         FEC_1_2,
 145         FEC_2_3,
 146         FEC_3_4,
 147         FEC_4_5,
 148         FEC_5_6,
 149         FEC_6_7,
 150         FEC_7_8,
 151         FEC_8_9,
 152         FEC_AUTO,
 153         FEC_3_5,
 154         FEC_9_10,
 155 } fe_code_rate_t;
 156
 157
 158 typedef enum fe_modulation {
 159         QPSK,
 160         QAM_16,
 161         QAM_32,
 162         QAM_64,
 163         QAM_128,
 164         QAM_256,
 165         QAM_AUTO,
 166         VSB_8,
 167         VSB_16,
 168         PSK_8,
 169         APSK_16,
 170         APSK_32,
 171         DQPSK,
 172 } fe_modulation_t;
 173
 174 typedef enum fe_transmit_mode {
 175         TRANSMISSION_MODE_2K,
 176         TRANSMISSION_MODE_8K,
 177         TRANSMISSION_MODE_AUTO,
 178         TRANSMISSION_MODE_4K,
 179         TRANSMISSION_MODE_1K,
 180         TRANSMISSION_MODE_16K,
 181         TRANSMISSION_MODE_32K,
 182 } fe_transmit_mode_t;
 183
 184 typedef enum fe_bandwidth {
 185         BANDWIDTH_8_MHZ,
 186         BANDWIDTH_7_MHZ,
 187         BANDWIDTH_6_MHZ,
 188         BANDWIDTH_AUTO,
 189         BANDWIDTH_5_MHZ,
 190         BANDWIDTH_10_MHZ,
 191         BANDWIDTH_1_712_MHZ,
 192 } fe_bandwidth_t;
 193
 194
 195 typedef enum fe_guard_interval {
 196         GUARD_INTERVAL_1_32,
 197         GUARD_INTERVAL_1_16,
 198         GUARD_INTERVAL_1_8,
 199         GUARD_INTERVAL_1_4,
 200         GUARD_INTERVAL_AUTO,
 201         GUARD_INTERVAL_1_128,
 202         GUARD_INTERVAL_19_128,
 203         GUARD_INTERVAL_19_256,
 204 } fe_guard_interval_t;
 205
 206
 207 typedef enum fe_hierarchy {
 208         HIERARCHY_NONE,
 209         HIERARCHY_1,
 210         HIERARCHY_2,
 211         HIERARCHY_4,
 212         HIERARCHY_AUTO
 213 } fe_hierarchy_t;
 214
 215
 216 struct dvb_qpsk_parameters {
 217         __u32           symbol_rate;  /* symbol rate in Symbols per second */
 218         fe_code_rate_t  fec_inner;    /* forward error correction (see above) */
 219 };
 220
 221 struct dvb_qam_parameters {
 222         __u32           symbol_rate; /* symbol rate in Symbols per second */
 223         fe_code_rate_t  fec_inner;   /* forward error correction (see above) */
 224         fe_modulation_t modulation;  /* modulation type (see above) */
 225 };
 226
 227 struct dvb_vsb_parameters {
 228         fe_modulation_t modulation;  /* modulation type (see above) */
 229 };
 230
 231 struct dvb_ofdm_parameters {
 232         fe_bandwidth_t      bandwidth;
 233         fe_code_rate_t      code_rate_HP;  /* high priority stream code rate */
 234         fe_code_rate_t      code_rate_LP;  /* low priority stream code rate */
 235         fe_modulation_t     constellation; /* modulation type (see above) */
 236         fe_transmit_mode_t  transmission_mode;
 237         fe_guard_interval_t guard_interval;
 238         fe_hierarchy_t      hierarchy_information;
 239 };
 240
 241
 242 struct dvb_frontend_parameters {
 243         __u32 frequency;     /* (absolute) frequency in Hz for QAM/OFDM/ATSC */
 244                              /* intermediate frequency in kHz for QPSK */
 245         fe_spectral_inversion_t inversion;
 246         union {
 247                 struct dvb_qpsk_parameters qpsk;
 248                 struct dvb_qam_parameters  qam;
 249                 struct dvb_ofdm_parameters ofdm;
 250                 struct dvb_vsb_parameters vsb;
 251         } u;
 252 };
 253
 254
 255 struct dvb_frontend_event {
 256         fe_status_t status;
 257         struct dvb_frontend_parameters parameters;
 258 };
 259
 260 /* S2API Commands */
 261 #define DTV_UNDEFINED           0
 262 #define DTV_TUNE                1
 263 #define DTV_CLEAR               2
 264 #define DTV_FREQUENCY           3
 265 #define DTV_MODULATION          4
 266 #define DTV_BANDWIDTH_HZ        5
 267 #define DTV_INVERSION           6
 268 #define DTV_DISEQC_MASTER       7
 269 #define DTV_SYMBOL_RATE         8
 270 #define DTV_INNER_FEC           9
 271 #define DTV_VOLTAGE             10
 272 #define DTV_TONE                11
 273 #define DTV_PILOT               12
 274 #define DTV_ROLLOFF             13
 275 #define DTV_DISEQC_SLAVE_REPLY  14
 276
 277 /* Basic enumeration set for querying unlimited capabilities */
 278 #define DTV_FE_CAPABILITY_COUNT 15
 279 #define DTV_FE_CAPABILITY       16
 280 #define DTV_DELIVERY_SYSTEM     17
 281
 282 /* ISDB-T and ISDB-Tsb */
 283 #define DTV_ISDBT_PARTIAL_RECEPTION     18
 284 #define DTV_ISDBT_SOUND_BROADCASTING    19
 285
 286 #define DTV_ISDBT_SB_SUBCHANNEL_ID      20
 287 #define DTV_ISDBT_SB_SEGMENT_IDX        21
 288 #define DTV_ISDBT_SB_SEGMENT_COUNT      22
 289
 290 #define DTV_ISDBT_LAYERA_FEC                    23
 291 #define DTV_ISDBT_LAYERA_MODULATION             24
 292 #define DTV_ISDBT_LAYERA_SEGMENT_COUNT          25
 293 #define DTV_ISDBT_LAYERA_TIME_INTERLEAVING      26
 294
 295 #define DTV_ISDBT_LAYERB_FEC                    27
 296 #define DTV_ISDBT_LAYERB_MODULATION             28
 297 #define DTV_ISDBT_LAYERB_SEGMENT_COUNT          29
 298 #define DTV_ISDBT_LAYERB_TIME_INTERLEAVING      30
 299
 300 #define DTV_ISDBT_LAYERC_FEC                    31
 301 #define DTV_ISDBT_LAYERC_MODULATION             32
 302 #define DTV_ISDBT_LAYERC_SEGMENT_COUNT          33
 303 #define DTV_ISDBT_LAYERC_TIME_INTERLEAVING      34
 304
 305 #define DTV_API_VERSION         35
 306
 307 #define DTV_CODE_RATE_HP        36
 308 #define DTV_CODE_RATE_LP        37
 309 #define DTV_GUARD_INTERVAL      38
 310 #define DTV_TRANSMISSION_MODE   39
 311 #define DTV_HIERARCHY           40
 312
 313 #define DTV_ISDBT_LAYER_ENABLED 41
 314
 315 #define DTV_ISDBS_TS_ID         42
 316
 317 #define DTV_DVBT2_PLP_ID        43
 318
 319 #define DTV_MAX_COMMAND                         DTV_DVBT2_PLP_ID
 320
 321 typedef enum fe_pilot {
 322         PILOT_ON,
 323         PILOT_OFF,
 324         PILOT_AUTO,
 325 } fe_pilot_t;
 326
 327 typedef enum fe_rolloff {
 328         ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
 329         ROLLOFF_20,
 330         ROLLOFF_25,
 331         ROLLOFF_AUTO,
 332 } fe_rolloff_t;
 333
 334 typedef enum fe_delivery_system {
 335         SYS_UNDEFINED,
 336         SYS_DVBC_ANNEX_AC,
 337         SYS_DVBC_ANNEX_B,
 338         SYS_DVBT,
 339         SYS_DSS,
 340         SYS_DVBS,
 341         SYS_DVBS2,
 342         SYS_DVBH,
 343         SYS_ISDBT,
 344         SYS_ISDBS,
 345         SYS_ISDBC,
 346         SYS_ATSC,
 347         SYS_ATSCMH,
 348         SYS_DMBTH,
 349         SYS_CMMB,
 350         SYS_DAB,
 351         SYS_DVBT2,
 352 } fe_delivery_system_t;
 353
 354 struct dtv_cmds_h {
 355         char    *name;          /* A display name for debugging purposes */
 356
 357         __u32   cmd;            /* A unique ID */
 358
 359         /* Flags */
 360         __u32   set:1;          /* Either a set or get property */
 361         __u32   buffer:1;       /* Does this property use the buffer? */
 362         __u32   reserved:30;    /* Align */
 363 };
 364
 365 struct dtv_property {
 366         __u32 cmd;
 367         __u32 reserved[3];
 368         union {
 369                 __u32 data;
 370                 struct {
 371                         __u8 data[32];
 372                         __u32 len;
 373                         __u32 reserved1[3];
 374                         void *reserved2;
 375                 } buffer;
 376         } u;
 377         int result;
 378 } __attribute__ ((packed));
 379
 380 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
 381 #define DTV_IOCTL_MAX_MSGS 64
 382
 383 struct dtv_properties {
 384         __u32 num;
 385         struct dtv_property *props;
 386 };
 387
 388 #define FE_SET_PROPERTY            _IOW('o', 82, struct dtv_properties)
 389 #define FE_GET_PROPERTY            _IOR('o', 83, struct dtv_properties)
 390
 391
 392 /**
 393  * When set, this flag will disable any zigzagging or other "normal" tuning
 394  * behaviour. Additionally, there will be no automatic monitoring of the lock
 395  * status, and hence no frontend events will be generated. If a frontend device
 396  * is closed, this flag will be automatically turned off when the device is
 397  * reopened read-write.
 398  */
 399 #define FE_TUNE_MODE_ONESHOT 0x01
 400
 401
 402 #define FE_GET_INFO                _IOR('o', 61, struct dvb_frontend_info)
 403
 404 #define FE_DISEQC_RESET_OVERLOAD   _IO('o', 62)
 405 #define FE_DISEQC_SEND_MASTER_CMD  _IOW('o', 63, struct dvb_diseqc_master_cmd)
 406 #define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
 407 #define FE_DISEQC_SEND_BURST       _IO('o', 65)  /* fe_sec_mini_cmd_t */
 408
 409 #define FE_SET_TONE                _IO('o', 66)  /* fe_sec_tone_mode_t */
 410 #define FE_SET_VOLTAGE             _IO('o', 67)  /* fe_sec_voltage_t */
 411 #define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68)  /* int */
 412
 413 #define FE_READ_STATUS             _IOR('o', 69, fe_status_t)
 414 #define FE_READ_BER                _IOR('o', 70, __u32)
 415 #define FE_READ_SIGNAL_STRENGTH    _IOR('o', 71, __u16)
 416 #define FE_READ_SNR                _IOR('o', 72, __u16)
 417 #define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
 418
 419 #define FE_SET_FRONTEND            _IOW('o', 76, struct dvb_frontend_parameters)
 420 #define FE_GET_FRONTEND            _IOR('o', 77, struct dvb_frontend_parameters)
 421 #define FE_SET_FRONTEND_TUNE_MODE  _IO('o', 81) /* unsigned int */
 422 #define FE_GET_EVENT               _IOR('o', 78, struct dvb_frontend_event)
 423
 424 #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
 425
 426 #endif /*_DVBFRONTEND_H_*/