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 <asm/types.h>
  30
  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_NEEDS_BENDING                = 0x20000000, // not supported anymore, don't use (frontend requires frequency bending)
  67         FE_CAN_RECOVER                  = 0x40000000, // frontend can recover from a cable unplug automatically
  68         FE_CAN_MUTE_TS                  = 0x80000000  // frontend can stop spurious TS data output
  69 } fe_caps_t;
  70
  71
  72 struct dvb_frontend_info {
  73         char       name[128];
  74         fe_type_t  type;
  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         fe_caps_t  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
  97 struct dvb_diseqc_slave_reply {
  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
 103
 104 typedef enum fe_sec_voltage {
 105         SEC_VOLTAGE_13,
 106         SEC_VOLTAGE_18,
 107         SEC_VOLTAGE_OFF
 108 } fe_sec_voltage_t;
 109
 110
 111 typedef enum fe_sec_tone_mode {
 112         SEC_TONE_ON,
 113         SEC_TONE_OFF
 114 } fe_sec_tone_mode_t;
 115
 116
 117 typedef enum fe_sec_mini_cmd {
 118         SEC_MINI_A,
 119         SEC_MINI_B
 120 } fe_sec_mini_cmd_t;
 121
 122
 123 typedef enum fe_status {
 124         FE_HAS_SIGNAL   = 0x01,   /*  found something above the noise level */
 125         FE_HAS_CARRIER  = 0x02,   /*  found a DVB signal  */
 126         FE_HAS_VITERBI  = 0x04,   /*  FEC is stable  */
 127         FE_HAS_SYNC     = 0x08,   /*  found sync bytes  */
 128         FE_HAS_LOCK     = 0x10,   /*  everything's working... */
 129         FE_TIMEDOUT     = 0x20,   /*  no lock within the last ~2 seconds */
 130         FE_REINIT       = 0x40    /*  frontend was reinitialized,  */
 131 } fe_status_t;                    /*  application is recommended to reset */
 132                                   /*  DiSEqC, tone and parameters */
 133
 134 typedef enum fe_spectral_inversion {
 135         INVERSION_OFF,
 136         INVERSION_ON,
 137         INVERSION_AUTO
 138 } fe_spectral_inversion_t;
 139
 140
 141 typedef enum fe_code_rate {
 142         FEC_NONE = 0,
 143         FEC_1_2,
 144         FEC_2_3,
 145         FEC_3_4,
 146         FEC_4_5,
 147         FEC_5_6,
 148         FEC_6_7,
 149         FEC_7_8,
 150         FEC_8_9,
 151         FEC_AUTO,
 152         FEC_3_5,
 153         FEC_9_10,
 154 } fe_code_rate_t;
 155
 156
 157 typedef enum fe_modulation {
 158         QPSK,
 159         QAM_16,
 160         QAM_32,
 161         QAM_64,
 162         QAM_128,
 163         QAM_256,
 164         QAM_AUTO,
 165         VSB_8,
 166         VSB_16,
 167         PSK_8,
 168         APSK_16,
 169         APSK_32,
 170         DQPSK,
 171 } fe_modulation_t;
 172
 173 typedef enum fe_transmit_mode {
 174         TRANSMISSION_MODE_2K,
 175         TRANSMISSION_MODE_8K,
 176         TRANSMISSION_MODE_AUTO
 177 } fe_transmit_mode_t;
 178
 179 typedef enum fe_bandwidth {
 180         BANDWIDTH_8_MHZ,
 181         BANDWIDTH_7_MHZ,
 182         BANDWIDTH_6_MHZ,
 183         BANDWIDTH_AUTO
 184 } fe_bandwidth_t;
 185
 186
 187 typedef enum fe_guard_interval {
 188         GUARD_INTERVAL_1_32,
 189         GUARD_INTERVAL_1_16,
 190         GUARD_INTERVAL_1_8,
 191         GUARD_INTERVAL_1_4,
 192         GUARD_INTERVAL_AUTO
 193 } fe_guard_interval_t;
 194
 195
 196 typedef enum fe_hierarchy {
 197         HIERARCHY_NONE,
 198         HIERARCHY_1,
 199         HIERARCHY_2,
 200         HIERARCHY_4,
 201         HIERARCHY_AUTO
 202 } fe_hierarchy_t;
 203
 204
 205 struct dvb_qpsk_parameters {
 206         __u32           symbol_rate;  /* symbol rate in Symbols per second */
 207         fe_code_rate_t  fec_inner;    /* forward error correction (see above) */
 208 };
 209
 210 struct dvb_qam_parameters {
 211         __u32           symbol_rate; /* symbol rate in Symbols per second */
 212         fe_code_rate_t  fec_inner;   /* forward error correction (see above) */
 213         fe_modulation_t modulation;  /* modulation type (see above) */
 214 };
 215
 216 struct dvb_vsb_parameters {
 217         fe_modulation_t modulation;  /* modulation type (see above) */
 218 };
 219
 220 struct dvb_ofdm_parameters {
 221         fe_bandwidth_t      bandwidth;
 222         fe_code_rate_t      code_rate_HP;  /* high priority stream code rate */
 223         fe_code_rate_t      code_rate_LP;  /* low priority stream code rate */
 224         fe_modulation_t     constellation; /* modulation type (see above) */
 225         fe_transmit_mode_t  transmission_mode;
 226         fe_guard_interval_t guard_interval;
 227         fe_hierarchy_t      hierarchy_information;
 228 };
 229
 230
 231 struct dvb_frontend_parameters {
 232         __u32 frequency;     /* (absolute) frequency in Hz for QAM/OFDM/ATSC */
 233                              /* intermediate frequency in kHz for QPSK */
 234         fe_spectral_inversion_t inversion;
 235         union {
 236                 struct dvb_qpsk_parameters qpsk;
 237                 struct dvb_qam_parameters  qam;
 238                 struct dvb_ofdm_parameters ofdm;
 239                 struct dvb_vsb_parameters vsb;
 240         } u;
 241 };
 242
 243
 244 struct dvb_frontend_event {
 245         fe_status_t status;
 246         struct dvb_frontend_parameters parameters;
 247 };
 248
 249 /* S2API Commands */
 250 #define DTV_UNDEFINED           0
 251 #define DTV_TUNE                1
 252 #define DTV_CLEAR               2
 253 #define DTV_FREQUENCY           3
 254 #define DTV_MODULATION          4
 255 #define DTV_BANDWIDTH_HZ        5
 256 #define DTV_INVERSION           6
 257 #define DTV_DISEQC_MASTER       7
 258 #define DTV_SYMBOL_RATE         8
 259 #define DTV_INNER_FEC           9
 260 #define DTV_VOLTAGE             10
 261 #define DTV_TONE                11
 262 #define DTV_PILOT               12
 263 #define DTV_ROLLOFF             13
 264 #define DTV_DISEQC_SLAVE_REPLY  14
 265
 266 /* Basic enumeration set for querying unlimited capabilities */
 267 #define DTV_FE_CAPABILITY_COUNT 15
 268 #define DTV_FE_CAPABILITY       16
 269 #define DTV_DELIVERY_SYSTEM     17
 270
 271 #define DTV_API_VERSION                         35
 272 #define DTV_API_VERSION                         35
 273 #define DTV_CODE_RATE_HP                        36
 274 #define DTV_CODE_RATE_LP                        37
 275 #define DTV_GUARD_INTERVAL                      38
 276 #define DTV_TRANSMISSION_MODE                   39
 277 #define DTV_HIERARCHY                           40
 278
 279 #define DTV_MAX_COMMAND                         DTV_HIERARCHY
 280
 281 typedef enum fe_pilot {
 282         PILOT_ON,
 283         PILOT_OFF,
 284         PILOT_AUTO,
 285 } fe_pilot_t;
 286
 287 typedef enum fe_rolloff {
 288         ROLLOFF_35, /* Implied value in DVB-S, default for DVB-S2 */
 289         ROLLOFF_20,
 290         ROLLOFF_25,
 291         ROLLOFF_AUTO,
 292 } fe_rolloff_t;
 293
 294 typedef enum fe_delivery_system {
 295         SYS_UNDEFINED,
 296         SYS_DVBC_ANNEX_AC,
 297         SYS_DVBC_ANNEX_B,
 298         SYS_DVBT,
 299         SYS_DSS,
 300         SYS_DVBS,
 301         SYS_DVBS2,
 302         SYS_DVBH,
 303         SYS_ISDBT,
 304         SYS_ISDBS,
 305         SYS_ISDBC,
 306         SYS_ATSC,
 307         SYS_ATSCMH,
 308         SYS_DMBTH,
 309         SYS_CMMB,
 310         SYS_DAB,
 311 } fe_delivery_system_t;
 312
 313 struct dtv_cmds_h {
 314         char    *name;          /* A display name for debugging purposes */
 315
 316         __u32   cmd;            /* A unique ID */
 317
 318         /* Flags */
 319         __u32   set:1;          /* Either a set or get property */
 320         __u32   buffer:1;       /* Does this property use the buffer? */
 321         __u32   reserved:30;    /* Align */
 322 };
 323
 324 struct dtv_property {
 325         __u32 cmd;
 326         __u32 reserved[3];
 327         union {
 328                 __u32 data;
 329                 struct {
 330                         __u8 data[32];
 331                         __u32 len;
 332                         __u32 reserved1[3];
 333                         void *reserved2;
 334                 } buffer;
 335         } u;
 336         int result;
 337 } __attribute__ ((packed));
 338
 339 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
 340 #define DTV_IOCTL_MAX_MSGS 64
 341
 342 struct dtv_properties {
 343         __u32 num;
 344         struct dtv_property *props;
 345 };
 346
 347 #define FE_SET_PROPERTY            _IOW('o', 82, struct dtv_properties)
 348 #define FE_GET_PROPERTY            _IOR('o', 83, struct dtv_properties)
 349
 350
 351 /**
 352  * When set, this flag will disable any zigzagging or other "normal" tuning
 353  * behaviour. Additionally, there will be no automatic monitoring of the lock
 354  * status, and hence no frontend events will be generated. If a frontend device
 355  * is closed, this flag will be automatically turned off when the device is
 356  * reopened read-write.
 357  */
 358 #define FE_TUNE_MODE_ONESHOT 0x01
 359
 360
 361 #define FE_GET_INFO                _IOR('o', 61, struct dvb_frontend_info)
 362
 363 #define FE_DISEQC_RESET_OVERLOAD   _IO('o', 62)
 364 #define FE_DISEQC_SEND_MASTER_CMD  _IOW('o', 63, struct dvb_diseqc_master_cmd)
 365 #define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
 366 #define FE_DISEQC_SEND_BURST       _IO('o', 65)  /* fe_sec_mini_cmd_t */
 367
 368 #define FE_SET_TONE                _IO('o', 66)  /* fe_sec_tone_mode_t */
 369 #define FE_SET_VOLTAGE             _IO('o', 67)  /* fe_sec_voltage_t */
 370 #define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68)  /* int */
 371
 372 #define FE_READ_STATUS             _IOR('o', 69, fe_status_t)
 373 #define FE_READ_BER                _IOR('o', 70, __u32)
 374 #define FE_READ_SIGNAL_STRENGTH    _IOR('o', 71, __u16)
 375 #define FE_READ_SNR                _IOR('o', 72, __u16)
 376 #define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
 377
 378 #define FE_SET_FRONTEND            _IOW('o', 76, struct dvb_frontend_parameters)
 379 #define FE_GET_FRONTEND            _IOR('o', 77, struct dvb_frontend_parameters)
 380 #define FE_SET_FRONTEND_TUNE_MODE  _IO('o', 81) /* unsigned int */
 381 #define FE_GET_EVENT               _IOR('o', 78, struct dvb_frontend_event)
 382
 383 #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
 384
 385 #endif /*_DVBFRONTEND_H_*/