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frontend.h (30392B) - Raw


      1 /* SPDX-License-Identifier: LGPL-2.1+ WITH Linux-syscall-note */
      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 
     12 #ifndef _DVBFRONTEND_H_
     13 #define _DVBFRONTEND_H_
     14 
     15 #include <linux/types.h>
     16 
     17 /**
     18  * enum fe_caps - Frontend capabilities
     19  *
     20  * @FE_IS_STUPID:			There's something wrong at the
     21  *					frontend, and it can't report its
     22  *					capabilities.
     23  * @FE_CAN_INVERSION_AUTO:		Can auto-detect frequency spectral
     24  *					band inversion
     25  * @FE_CAN_FEC_1_2:			Supports FEC 1/2
     26  * @FE_CAN_FEC_2_3:			Supports FEC 2/3
     27  * @FE_CAN_FEC_3_4:			Supports FEC 3/4
     28  * @FE_CAN_FEC_4_5:			Supports FEC 4/5
     29  * @FE_CAN_FEC_5_6:			Supports FEC 5/6
     30  * @FE_CAN_FEC_6_7:			Supports FEC 6/7
     31  * @FE_CAN_FEC_7_8:			Supports FEC 7/8
     32  * @FE_CAN_FEC_8_9:			Supports FEC 8/9
     33  * @FE_CAN_FEC_AUTO:			Can auto-detect FEC
     34  * @FE_CAN_QPSK:			Supports QPSK modulation
     35  * @FE_CAN_QAM_16:			Supports 16-QAM modulation
     36  * @FE_CAN_QAM_32:			Supports 32-QAM modulation
     37  * @FE_CAN_QAM_64:			Supports 64-QAM modulation
     38  * @FE_CAN_QAM_128:			Supports 128-QAM modulation
     39  * @FE_CAN_QAM_256:			Supports 256-QAM modulation
     40  * @FE_CAN_QAM_AUTO:			Can auto-detect QAM modulation
     41  * @FE_CAN_TRANSMISSION_MODE_AUTO:	Can auto-detect transmission mode
     42  * @FE_CAN_BANDWIDTH_AUTO:		Can auto-detect bandwidth
     43  * @FE_CAN_GUARD_INTERVAL_AUTO:		Can auto-detect guard interval
     44  * @FE_CAN_HIERARCHY_AUTO:		Can auto-detect hierarchy
     45  * @FE_CAN_8VSB:			Supports 8-VSB modulation
     46  * @FE_CAN_16VSB:			Supporta 16-VSB modulation
     47  * @FE_HAS_EXTENDED_CAPS:		Unused
     48  * @FE_CAN_MULTISTREAM:			Supports multistream filtering
     49  * @FE_CAN_TURBO_FEC:			Supports "turbo FEC" modulation
     50  * @FE_CAN_2G_MODULATION:		Supports "2nd generation" modulation,
     51  *					e. g. DVB-S2, DVB-T2, DVB-C2
     52  * @FE_NEEDS_BENDING:			Unused
     53  * @FE_CAN_RECOVER:			Can recover from a cable unplug
     54  *					automatically
     55  * @FE_CAN_MUTE_TS:			Can stop spurious TS data output
     56  */
     57 enum fe_caps {
     58 	FE_IS_STUPID			= 0,
     59 	FE_CAN_INVERSION_AUTO		= 0x1,
     60 	FE_CAN_FEC_1_2			= 0x2,
     61 	FE_CAN_FEC_2_3			= 0x4,
     62 	FE_CAN_FEC_3_4			= 0x8,
     63 	FE_CAN_FEC_4_5			= 0x10,
     64 	FE_CAN_FEC_5_6			= 0x20,
     65 	FE_CAN_FEC_6_7			= 0x40,
     66 	FE_CAN_FEC_7_8			= 0x80,
     67 	FE_CAN_FEC_8_9			= 0x100,
     68 	FE_CAN_FEC_AUTO			= 0x200,
     69 	FE_CAN_QPSK			= 0x400,
     70 	FE_CAN_QAM_16			= 0x800,
     71 	FE_CAN_QAM_32			= 0x1000,
     72 	FE_CAN_QAM_64			= 0x2000,
     73 	FE_CAN_QAM_128			= 0x4000,
     74 	FE_CAN_QAM_256			= 0x8000,
     75 	FE_CAN_QAM_AUTO			= 0x10000,
     76 	FE_CAN_TRANSMISSION_MODE_AUTO	= 0x20000,
     77 	FE_CAN_BANDWIDTH_AUTO		= 0x40000,
     78 	FE_CAN_GUARD_INTERVAL_AUTO	= 0x80000,
     79 	FE_CAN_HIERARCHY_AUTO		= 0x100000,
     80 	FE_CAN_8VSB			= 0x200000,
     81 	FE_CAN_16VSB			= 0x400000,
     82 	FE_HAS_EXTENDED_CAPS		= 0x800000,
     83 	FE_CAN_MULTISTREAM		= 0x4000000,
     84 	FE_CAN_TURBO_FEC		= 0x8000000,
     85 	FE_CAN_2G_MODULATION		= 0x10000000,
     86 	FE_NEEDS_BENDING		= 0x20000000,
     87 	FE_CAN_RECOVER			= 0x40000000,
     88 	FE_CAN_MUTE_TS			= 0x80000000
     89 };
     90 
     91 /*
     92  * DEPRECATED: Should be kept just due to backward compatibility.
     93  */
     94 enum fe_type {
     95 	FE_QPSK,
     96 	FE_QAM,
     97 	FE_OFDM,
     98 	FE_ATSC
     99 };
    100 
    101 /**
    102  * struct dvb_frontend_info - Frontend properties and capabilities
    103  *
    104  * @name:			Name of the frontend
    105  * @type:			**DEPRECATED**.
    106  *				Should not be used on modern programs,
    107  *				as a frontend may have more than one type.
    108  *				In order to get the support types of a given
    109  *				frontend, use :c:type:`DTV_ENUM_DELSYS`
    110  *				instead.
    111  * @frequency_min:		Minimal frequency supported by the frontend.
    112  * @frequency_max:		Minimal frequency supported by the frontend.
    113  * @frequency_stepsize:		All frequencies are multiple of this value.
    114  * @frequency_tolerance:	Frequency tolerance.
    115  * @symbol_rate_min:		Minimal symbol rate, in bauds
    116  *				(for Cable/Satellite systems).
    117  * @symbol_rate_max:		Maximal symbol rate, in bauds
    118  *				(for Cable/Satellite systems).
    119  * @symbol_rate_tolerance:	Maximal symbol rate tolerance, in ppm
    120  *				(for Cable/Satellite systems).
    121  * @notifier_delay:		**DEPRECATED**. Not used by any driver.
    122  * @caps:			Capabilities supported by the frontend,
    123  *				as specified in &enum fe_caps.
    124  *
    125  * .. note:
    126  *
    127  *    #. The frequencies are specified in Hz for Terrestrial and Cable
    128  *       systems.
    129  *    #. The frequencies are specified in kHz for Satellite systems.
    130  */
    131 struct dvb_frontend_info {
    132 	char       name[128];
    133 	enum fe_type type;	/* DEPRECATED. Use DTV_ENUM_DELSYS instead */
    134 	__u32      frequency_min;
    135 	__u32      frequency_max;
    136 	__u32      frequency_stepsize;
    137 	__u32      frequency_tolerance;
    138 	__u32      symbol_rate_min;
    139 	__u32      symbol_rate_max;
    140 	__u32      symbol_rate_tolerance;
    141 	__u32      notifier_delay;		/* DEPRECATED */
    142 	enum fe_caps caps;
    143 };
    144 
    145 /**
    146  * struct dvb_diseqc_master_cmd - DiSEqC master command
    147  *
    148  * @msg:
    149  *	DiSEqC message to be sent. It contains a 3 bytes header with:
    150  *	framing + address + command, and an optional argument
    151  *	of up to 3 bytes of data.
    152  * @msg_len:
    153  *	Length of the DiSEqC message. Valid values are 3 to 6.
    154  *
    155  * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
    156  * the possible messages that can be used.
    157  */
    158 struct dvb_diseqc_master_cmd {
    159 	__u8 msg[6];
    160 	__u8 msg_len;
    161 };
    162 
    163 /**
    164  * struct dvb_diseqc_slave_reply - DiSEqC received data
    165  *
    166  * @msg:
    167  *	DiSEqC message buffer to store a message received via DiSEqC.
    168  *	It contains one byte header with: framing and
    169  *	an optional argument of up to 3 bytes of data.
    170  * @msg_len:
    171  *	Length of the DiSEqC message. Valid values are 0 to 4,
    172  *	where 0 means no message.
    173  * @timeout:
    174  *	Return from ioctl after timeout ms with errorcode when
    175  *	no message was received.
    176  *
    177  * Check out the DiSEqC bus spec available on http://www.eutelsat.org/ for
    178  * the possible messages that can be used.
    179  */
    180 struct dvb_diseqc_slave_reply {
    181 	__u8 msg[4];
    182 	__u8 msg_len;
    183 	int  timeout;
    184 };
    185 
    186 /**
    187  * enum fe_sec_voltage - DC Voltage used to feed the LNBf
    188  *
    189  * @SEC_VOLTAGE_13:	Output 13V to the LNBf
    190  * @SEC_VOLTAGE_18:	Output 18V to the LNBf
    191  * @SEC_VOLTAGE_OFF:	Don't feed the LNBf with a DC voltage
    192  */
    193 enum fe_sec_voltage {
    194 	SEC_VOLTAGE_13,
    195 	SEC_VOLTAGE_18,
    196 	SEC_VOLTAGE_OFF
    197 };
    198 
    199 /**
    200  * enum fe_sec_tone_mode - Type of tone to be send to the LNBf.
    201  * @SEC_TONE_ON:	Sends a 22kHz tone burst to the antenna.
    202  * @SEC_TONE_OFF:	Don't send a 22kHz tone to the antenna (except
    203  *			if the ``FE_DISEQC_*`` ioctls are called).
    204  */
    205 enum fe_sec_tone_mode {
    206 	SEC_TONE_ON,
    207 	SEC_TONE_OFF
    208 };
    209 
    210 /**
    211  * enum fe_sec_mini_cmd - Type of mini burst to be sent
    212  *
    213  * @SEC_MINI_A:		Sends a mini-DiSEqC 22kHz '0' Tone Burst to select
    214  *			satellite-A
    215  * @SEC_MINI_B:		Sends a mini-DiSEqC 22kHz '1' Data Burst to select
    216  *			satellite-B
    217  */
    218 enum fe_sec_mini_cmd {
    219 	SEC_MINI_A,
    220 	SEC_MINI_B
    221 };
    222 
    223 /**
    224  * enum fe_status - Enumerates the possible frontend status.
    225  * @FE_NONE:		The frontend doesn't have any kind of lock.
    226  *			That's the initial frontend status
    227  * @FE_HAS_SIGNAL:	Has found something above the noise level.
    228  * @FE_HAS_CARRIER:	Has found a signal.
    229  * @FE_HAS_VITERBI:	FEC inner coding (Viterbi, LDPC or other inner code).
    230  *			is stable.
    231  * @FE_HAS_SYNC:	Synchronization bytes was found.
    232  * @FE_HAS_LOCK:	Digital TV were locked and everything is working.
    233  * @FE_TIMEDOUT:	Fo lock within the last about 2 seconds.
    234  * @FE_REINIT:		Frontend was reinitialized, application is recommended
    235  *			to reset DiSEqC, tone and parameters.
    236  */
    237 enum fe_status {
    238 	FE_NONE			= 0x00,
    239 	FE_HAS_SIGNAL		= 0x01,
    240 	FE_HAS_CARRIER		= 0x02,
    241 	FE_HAS_VITERBI		= 0x04,
    242 	FE_HAS_SYNC		= 0x08,
    243 	FE_HAS_LOCK		= 0x10,
    244 	FE_TIMEDOUT		= 0x20,
    245 	FE_REINIT		= 0x40,
    246 };
    247 
    248 /**
    249  * enum fe_spectral_inversion - Type of inversion band
    250  *
    251  * @INVERSION_OFF:	Don't do spectral band inversion.
    252  * @INVERSION_ON:	Do spectral band inversion.
    253  * @INVERSION_AUTO:	Autodetect spectral band inversion.
    254  *
    255  * This parameter indicates if spectral inversion should be presumed or
    256  * not. In the automatic setting (``INVERSION_AUTO``) the hardware will try
    257  * to figure out the correct setting by itself. If the hardware doesn't
    258  * support, the %dvb_frontend will try to lock at the carrier first with
    259  * inversion off. If it fails, it will try to enable inversion.
    260  */
    261 enum fe_spectral_inversion {
    262 	INVERSION_OFF,
    263 	INVERSION_ON,
    264 	INVERSION_AUTO
    265 };
    266 
    267 /**
    268  * enum fe_code_rate - Type of Forward Error Correction (FEC)
    269  *
    270  * @FEC_NONE: No Forward Error Correction Code
    271  * @FEC_1_2:  Forward Error Correction Code 1/2
    272  * @FEC_2_3:  Forward Error Correction Code 2/3
    273  * @FEC_3_4:  Forward Error Correction Code 3/4
    274  * @FEC_4_5:  Forward Error Correction Code 4/5
    275  * @FEC_5_6:  Forward Error Correction Code 5/6
    276  * @FEC_6_7:  Forward Error Correction Code 6/7
    277  * @FEC_7_8:  Forward Error Correction Code 7/8
    278  * @FEC_8_9:  Forward Error Correction Code 8/9
    279  * @FEC_AUTO: Autodetect Error Correction Code
    280  * @FEC_3_5:  Forward Error Correction Code 3/5
    281  * @FEC_9_10: Forward Error Correction Code 9/10
    282  * @FEC_2_5:  Forward Error Correction Code 2/5
    283  * @FEC_1_3:  Forward Error Correction Code 1/3
    284  * @FEC_1_4:  Forward Error Correction Code 1/4
    285  * @FEC_5_9:  Forward Error Correction Code 5/9
    286  * @FEC_7_9:  Forward Error Correction Code 7/9
    287  * @FEC_8_15:  Forward Error Correction Code 8/15
    288  * @FEC_11_15: Forward Error Correction Code 11/15
    289  * @FEC_13_18: Forward Error Correction Code 13/18
    290  * @FEC_9_20:  Forward Error Correction Code 9/20
    291  * @FEC_11_20: Forward Error Correction Code 11/20
    292  * @FEC_23_36: Forward Error Correction Code 23/36
    293  * @FEC_25_36: Forward Error Correction Code 25/36
    294  * @FEC_13_45: Forward Error Correction Code 13/45
    295  * @FEC_26_45: Forward Error Correction Code 26/45
    296  * @FEC_28_45: Forward Error Correction Code 28/45
    297  * @FEC_32_45: Forward Error Correction Code 32/45
    298  * @FEC_77_90: Forward Error Correction Code 77/90
    299  * @FEC_11_45: Forward Error Correction Code 11/45
    300  * @FEC_4_15: Forward Error Correction Code 4/15
    301  * @FEC_14_45: Forward Error Correction Code 14/45
    302  * @FEC_7_15: Forward Error Correction Code 7/15
    303  *
    304  * Please note that not all FEC types are supported by a given standard.
    305  */
    306 enum fe_code_rate {
    307 	FEC_NONE = 0,
    308 	FEC_1_2,
    309 	FEC_2_3,
    310 	FEC_3_4,
    311 	FEC_4_5,
    312 	FEC_5_6,
    313 	FEC_6_7,
    314 	FEC_7_8,
    315 	FEC_8_9,
    316 	FEC_AUTO,
    317 	FEC_3_5,
    318 	FEC_9_10,
    319 	FEC_2_5,
    320 	FEC_1_3,
    321 	FEC_1_4,
    322 	FEC_5_9,
    323 	FEC_7_9,
    324 	FEC_8_15,
    325 	FEC_11_15,
    326 	FEC_13_18,
    327 	FEC_9_20,
    328 	FEC_11_20,
    329 	FEC_23_36,
    330 	FEC_25_36,
    331 	FEC_13_45,
    332 	FEC_26_45,
    333 	FEC_28_45,
    334 	FEC_32_45,
    335 	FEC_77_90,
    336 	FEC_11_45,
    337 	FEC_4_15,
    338 	FEC_14_45,
    339 	FEC_7_15,
    340 };
    341 
    342 /**
    343  * enum fe_modulation - Type of modulation/constellation
    344  * @QPSK:	QPSK modulation
    345  * @QAM_16:	16-QAM modulation
    346  * @QAM_32:	32-QAM modulation
    347  * @QAM_64:	64-QAM modulation
    348  * @QAM_128:	128-QAM modulation
    349  * @QAM_256:	256-QAM modulation
    350  * @QAM_AUTO:	Autodetect QAM modulation
    351  * @VSB_8:	8-VSB modulation
    352  * @VSB_16:	16-VSB modulation
    353  * @PSK_8:	8-PSK modulation
    354  * @APSK_16:	16-APSK modulation
    355  * @APSK_32:	32-APSK modulation
    356  * @DQPSK:	DQPSK modulation
    357  * @QAM_4_NR:	4-QAM-NR modulation
    358  * @QAM_1024:	1024-QAM modulation
    359  * @QAM_4096:	4096-QAM modulation
    360  * @APSK_8_L:	8APSK-L modulation
    361  * @APSK_16_L:	16APSK-L modulation
    362  * @APSK_32_L:	32APSK-L modulation
    363  * @APSK_64:	64APSK modulation
    364  * @APSK_64_L:	64APSK-L modulation
    365  *
    366  * Please note that not all modulations are supported by a given standard.
    367  *
    368  */
    369 enum fe_modulation {
    370 	QPSK,
    371 	QAM_16,
    372 	QAM_32,
    373 	QAM_64,
    374 	QAM_128,
    375 	QAM_256,
    376 	QAM_AUTO,
    377 	VSB_8,
    378 	VSB_16,
    379 	PSK_8,
    380 	APSK_16,
    381 	APSK_32,
    382 	DQPSK,
    383 	QAM_4_NR,
    384 	QAM_1024,
    385 	QAM_4096,
    386 	APSK_8_L,
    387 	APSK_16_L,
    388 	APSK_32_L,
    389 	APSK_64,
    390 	APSK_64_L,
    391 };
    392 
    393 /**
    394  * enum fe_transmit_mode - Transmission mode
    395  *
    396  * @TRANSMISSION_MODE_AUTO:
    397  *	Autodetect transmission mode. The hardware will try to find the
    398  *	correct FFT-size (if capable) to fill in the missing parameters.
    399  * @TRANSMISSION_MODE_1K:
    400  *	Transmission mode 1K
    401  * @TRANSMISSION_MODE_2K:
    402  *	Transmission mode 2K
    403  * @TRANSMISSION_MODE_8K:
    404  *	Transmission mode 8K
    405  * @TRANSMISSION_MODE_4K:
    406  *	Transmission mode 4K
    407  * @TRANSMISSION_MODE_16K:
    408  *	Transmission mode 16K
    409  * @TRANSMISSION_MODE_32K:
    410  *	Transmission mode 32K
    411  * @TRANSMISSION_MODE_C1:
    412  *	Single Carrier (C=1) transmission mode (DTMB only)
    413  * @TRANSMISSION_MODE_C3780:
    414  *	Multi Carrier (C=3780) transmission mode (DTMB only)
    415  *
    416  * Please note that not all transmission modes are supported by a given
    417  * standard.
    418  */
    419 enum fe_transmit_mode {
    420 	TRANSMISSION_MODE_2K,
    421 	TRANSMISSION_MODE_8K,
    422 	TRANSMISSION_MODE_AUTO,
    423 	TRANSMISSION_MODE_4K,
    424 	TRANSMISSION_MODE_1K,
    425 	TRANSMISSION_MODE_16K,
    426 	TRANSMISSION_MODE_32K,
    427 	TRANSMISSION_MODE_C1,
    428 	TRANSMISSION_MODE_C3780,
    429 };
    430 
    431 /**
    432  * enum fe_guard_interval - Guard interval
    433  *
    434  * @GUARD_INTERVAL_AUTO:	Autodetect the guard interval
    435  * @GUARD_INTERVAL_1_128:	Guard interval 1/128
    436  * @GUARD_INTERVAL_1_32:	Guard interval 1/32
    437  * @GUARD_INTERVAL_1_16:	Guard interval 1/16
    438  * @GUARD_INTERVAL_1_8:		Guard interval 1/8
    439  * @GUARD_INTERVAL_1_4:		Guard interval 1/4
    440  * @GUARD_INTERVAL_19_128:	Guard interval 19/128
    441  * @GUARD_INTERVAL_19_256:	Guard interval 19/256
    442  * @GUARD_INTERVAL_PN420:	PN length 420 (1/4)
    443  * @GUARD_INTERVAL_PN595:	PN length 595 (1/6)
    444  * @GUARD_INTERVAL_PN945:	PN length 945 (1/9)
    445  * @GUARD_INTERVAL_1_64:	Guard interval 1/64
    446  *
    447  * Please note that not all guard intervals are supported by a given standard.
    448  */
    449 enum fe_guard_interval {
    450 	GUARD_INTERVAL_1_32,
    451 	GUARD_INTERVAL_1_16,
    452 	GUARD_INTERVAL_1_8,
    453 	GUARD_INTERVAL_1_4,
    454 	GUARD_INTERVAL_AUTO,
    455 	GUARD_INTERVAL_1_128,
    456 	GUARD_INTERVAL_19_128,
    457 	GUARD_INTERVAL_19_256,
    458 	GUARD_INTERVAL_PN420,
    459 	GUARD_INTERVAL_PN595,
    460 	GUARD_INTERVAL_PN945,
    461 	GUARD_INTERVAL_1_64,
    462 };
    463 
    464 /**
    465  * enum fe_hierarchy - Hierarchy
    466  * @HIERARCHY_NONE:	No hierarchy
    467  * @HIERARCHY_AUTO:	Autodetect hierarchy (if supported)
    468  * @HIERARCHY_1:	Hierarchy 1
    469  * @HIERARCHY_2:	Hierarchy 2
    470  * @HIERARCHY_4:	Hierarchy 4
    471  *
    472  * Please note that not all hierarchy types are supported by a given standard.
    473  */
    474 enum fe_hierarchy {
    475 	HIERARCHY_NONE,
    476 	HIERARCHY_1,
    477 	HIERARCHY_2,
    478 	HIERARCHY_4,
    479 	HIERARCHY_AUTO
    480 };
    481 
    482 /**
    483  * enum fe_interleaving - Interleaving
    484  * @INTERLEAVING_NONE:	No interleaving.
    485  * @INTERLEAVING_AUTO:	Auto-detect interleaving.
    486  * @INTERLEAVING_240:	Interleaving of 240 symbols.
    487  * @INTERLEAVING_720:	Interleaving of 720 symbols.
    488  *
    489  * Please note that, currently, only DTMB uses it.
    490  */
    491 enum fe_interleaving {
    492 	INTERLEAVING_NONE,
    493 	INTERLEAVING_AUTO,
    494 	INTERLEAVING_240,
    495 	INTERLEAVING_720,
    496 };
    497 
    498 /* DVBv5 property Commands */
    499 
    500 #define DTV_UNDEFINED		0
    501 #define DTV_TUNE		1
    502 #define DTV_CLEAR		2
    503 #define DTV_FREQUENCY		3
    504 #define DTV_MODULATION		4
    505 #define DTV_BANDWIDTH_HZ	5
    506 #define DTV_INVERSION		6
    507 #define DTV_DISEQC_MASTER	7
    508 #define DTV_SYMBOL_RATE		8
    509 #define DTV_INNER_FEC		9
    510 #define DTV_VOLTAGE		10
    511 #define DTV_TONE		11
    512 #define DTV_PILOT		12
    513 #define DTV_ROLLOFF		13
    514 #define DTV_DISEQC_SLAVE_REPLY	14
    515 
    516 /* Basic enumeration set for querying unlimited capabilities */
    517 #define DTV_FE_CAPABILITY_COUNT	15
    518 #define DTV_FE_CAPABILITY	16
    519 #define DTV_DELIVERY_SYSTEM	17
    520 
    521 /* ISDB-T and ISDB-Tsb */
    522 #define DTV_ISDBT_PARTIAL_RECEPTION	18
    523 #define DTV_ISDBT_SOUND_BROADCASTING	19
    524 
    525 #define DTV_ISDBT_SB_SUBCHANNEL_ID	20
    526 #define DTV_ISDBT_SB_SEGMENT_IDX	21
    527 #define DTV_ISDBT_SB_SEGMENT_COUNT	22
    528 
    529 #define DTV_ISDBT_LAYERA_FEC			23
    530 #define DTV_ISDBT_LAYERA_MODULATION		24
    531 #define DTV_ISDBT_LAYERA_SEGMENT_COUNT		25
    532 #define DTV_ISDBT_LAYERA_TIME_INTERLEAVING	26
    533 
    534 #define DTV_ISDBT_LAYERB_FEC			27
    535 #define DTV_ISDBT_LAYERB_MODULATION		28
    536 #define DTV_ISDBT_LAYERB_SEGMENT_COUNT		29
    537 #define DTV_ISDBT_LAYERB_TIME_INTERLEAVING	30
    538 
    539 #define DTV_ISDBT_LAYERC_FEC			31
    540 #define DTV_ISDBT_LAYERC_MODULATION		32
    541 #define DTV_ISDBT_LAYERC_SEGMENT_COUNT		33
    542 #define DTV_ISDBT_LAYERC_TIME_INTERLEAVING	34
    543 
    544 #define DTV_API_VERSION		35
    545 
    546 #define DTV_CODE_RATE_HP	36
    547 #define DTV_CODE_RATE_LP	37
    548 #define DTV_GUARD_INTERVAL	38
    549 #define DTV_TRANSMISSION_MODE	39
    550 #define DTV_HIERARCHY		40
    551 
    552 #define DTV_ISDBT_LAYER_ENABLED	41
    553 
    554 #define DTV_STREAM_ID		42
    555 #define DTV_ISDBS_TS_ID_LEGACY	DTV_STREAM_ID
    556 #define DTV_DVBT2_PLP_ID_LEGACY	43
    557 
    558 #define DTV_ENUM_DELSYS		44
    559 
    560 /* ATSC-MH */
    561 #define DTV_ATSCMH_FIC_VER		45
    562 #define DTV_ATSCMH_PARADE_ID		46
    563 #define DTV_ATSCMH_NOG			47
    564 #define DTV_ATSCMH_TNOG			48
    565 #define DTV_ATSCMH_SGN			49
    566 #define DTV_ATSCMH_PRC			50
    567 #define DTV_ATSCMH_RS_FRAME_MODE	51
    568 #define DTV_ATSCMH_RS_FRAME_ENSEMBLE	52
    569 #define DTV_ATSCMH_RS_CODE_MODE_PRI	53
    570 #define DTV_ATSCMH_RS_CODE_MODE_SEC	54
    571 #define DTV_ATSCMH_SCCC_BLOCK_MODE	55
    572 #define DTV_ATSCMH_SCCC_CODE_MODE_A	56
    573 #define DTV_ATSCMH_SCCC_CODE_MODE_B	57
    574 #define DTV_ATSCMH_SCCC_CODE_MODE_C	58
    575 #define DTV_ATSCMH_SCCC_CODE_MODE_D	59
    576 
    577 #define DTV_INTERLEAVING			60
    578 #define DTV_LNA					61
    579 
    580 /* Quality parameters */
    581 #define DTV_STAT_SIGNAL_STRENGTH	62
    582 #define DTV_STAT_CNR			63
    583 #define DTV_STAT_PRE_ERROR_BIT_COUNT	64
    584 #define DTV_STAT_PRE_TOTAL_BIT_COUNT	65
    585 #define DTV_STAT_POST_ERROR_BIT_COUNT	66
    586 #define DTV_STAT_POST_TOTAL_BIT_COUNT	67
    587 #define DTV_STAT_ERROR_BLOCK_COUNT	68
    588 #define DTV_STAT_TOTAL_BLOCK_COUNT	69
    589 
    590 /* Physical layer scrambling */
    591 #define DTV_SCRAMBLING_SEQUENCE_INDEX	70
    592 
    593 #define DTV_MAX_COMMAND		DTV_SCRAMBLING_SEQUENCE_INDEX
    594 
    595 /**
    596  * enum fe_pilot - Type of pilot tone
    597  *
    598  * @PILOT_ON:	Pilot tones enabled
    599  * @PILOT_OFF:	Pilot tones disabled
    600  * @PILOT_AUTO:	Autodetect pilot tones
    601  */
    602 enum fe_pilot {
    603 	PILOT_ON,
    604 	PILOT_OFF,
    605 	PILOT_AUTO,
    606 };
    607 
    608 /**
    609  * enum fe_rolloff - Rolloff factor
    610  * @ROLLOFF_35:		Roloff factor: α=35%
    611  * @ROLLOFF_20:		Roloff factor: α=20%
    612  * @ROLLOFF_25:		Roloff factor: α=25%
    613  * @ROLLOFF_AUTO:	Auto-detect the roloff factor.
    614  * @ROLLOFF_15:		Rolloff factor: α=15%
    615  * @ROLLOFF_10:		Rolloff factor: α=10%
    616  * @ROLLOFF_5:		Rolloff factor: α=5%
    617  *
    618  * .. note:
    619  *
    620  *    Roloff factor of 35% is implied on DVB-S. On DVB-S2, it is default.
    621  */
    622 enum fe_rolloff {
    623 	ROLLOFF_35,
    624 	ROLLOFF_20,
    625 	ROLLOFF_25,
    626 	ROLLOFF_AUTO,
    627 	ROLLOFF_15,
    628 	ROLLOFF_10,
    629 	ROLLOFF_5,
    630 };
    631 
    632 /**
    633  * enum fe_delivery_system - Type of the delivery system
    634  *
    635  * @SYS_UNDEFINED:
    636  *	Undefined standard. Generally, indicates an error
    637  * @SYS_DVBC_ANNEX_A:
    638  *	Cable TV: DVB-C following ITU-T J.83 Annex A spec
    639  * @SYS_DVBC_ANNEX_B:
    640  *	Cable TV: DVB-C following ITU-T J.83 Annex B spec (ClearQAM)
    641  * @SYS_DVBC_ANNEX_C:
    642  *	Cable TV: DVB-C following ITU-T J.83 Annex C spec
    643  * @SYS_DVBC2:
    644  *      Cable TV: DVB-C2
    645  * @SYS_ISDBC:
    646  *	Cable TV: ISDB-C (no drivers yet)
    647  * @SYS_DVBT:
    648  *	Terrestrial TV: DVB-T
    649  * @SYS_DVBT2:
    650  *	Terrestrial TV: DVB-T2
    651  * @SYS_ISDBT:
    652  *	Terrestrial TV: ISDB-T
    653  * @SYS_ATSC:
    654  *	Terrestrial TV: ATSC
    655  * @SYS_ATSCMH:
    656  *	Terrestrial TV (mobile): ATSC-M/H
    657  * @SYS_DTMB:
    658  *	Terrestrial TV: DTMB
    659  * @SYS_DVBS:
    660  *	Satellite TV: DVB-S
    661  * @SYS_DVBS2:
    662  *	Satellite TV: DVB-S2 and DVB-S2X
    663  * @SYS_TURBO:
    664  *	Satellite TV: DVB-S Turbo
    665  * @SYS_ISDBS:
    666  *	Satellite TV: ISDB-S
    667  * @SYS_DAB:
    668  *	Digital audio: DAB (not fully supported)
    669  * @SYS_DSS:
    670  *	Satellite TV: DSS (not fully supported)
    671  * @SYS_CMMB:
    672  *	Terrestrial TV (mobile): CMMB (not fully supported)
    673  * @SYS_DVBH:
    674  *	Terrestrial TV (mobile): DVB-H (standard deprecated)
    675  */
    676 enum fe_delivery_system {
    677 	SYS_UNDEFINED,
    678 	SYS_DVBC_ANNEX_A,
    679 	SYS_DVBC_ANNEX_B,
    680 	SYS_DVBT,
    681 	SYS_DSS,
    682 	SYS_DVBS,
    683 	SYS_DVBS2,
    684 	SYS_DVBH,
    685 	SYS_ISDBT,
    686 	SYS_ISDBS,
    687 	SYS_ISDBC,
    688 	SYS_ATSC,
    689 	SYS_ATSCMH,
    690 	SYS_DTMB,
    691 	SYS_CMMB,
    692 	SYS_DAB,
    693 	SYS_DVBT2,
    694 	SYS_TURBO,
    695 	SYS_DVBC_ANNEX_C,
    696 	SYS_DVBC2,
    697 };
    698 
    699 /* backward compatibility definitions for delivery systems */
    700 #define SYS_DVBC_ANNEX_AC	SYS_DVBC_ANNEX_A
    701 #define SYS_DMBTH		SYS_DTMB /* DMB-TH is legacy name, use DTMB */
    702 
    703 /* ATSC-MH specific parameters */
    704 
    705 /**
    706  * enum atscmh_sccc_block_mode - Type of Series Concatenated Convolutional
    707  *				 Code Block Mode.
    708  *
    709  * @ATSCMH_SCCC_BLK_SEP:
    710  *	Separate SCCC: the SCCC outer code mode shall be set independently
    711  *	for each Group Region (A, B, C, D)
    712  * @ATSCMH_SCCC_BLK_COMB:
    713  *	Combined SCCC: all four Regions shall have the same SCCC outer
    714  *	code mode.
    715  * @ATSCMH_SCCC_BLK_RES:
    716  *	Reserved. Shouldn't be used.
    717  */
    718 enum atscmh_sccc_block_mode {
    719 	ATSCMH_SCCC_BLK_SEP      = 0,
    720 	ATSCMH_SCCC_BLK_COMB     = 1,
    721 	ATSCMH_SCCC_BLK_RES      = 2,
    722 };
    723 
    724 /**
    725  * enum atscmh_sccc_code_mode - Type of Series Concatenated Convolutional
    726  *				Code Rate.
    727  *
    728  * @ATSCMH_SCCC_CODE_HLF:
    729  *	The outer code rate of a SCCC Block is 1/2 rate.
    730  * @ATSCMH_SCCC_CODE_QTR:
    731  *	The outer code rate of a SCCC Block is 1/4 rate.
    732  * @ATSCMH_SCCC_CODE_RES:
    733  *	Reserved. Should not be used.
    734  */
    735 enum atscmh_sccc_code_mode {
    736 	ATSCMH_SCCC_CODE_HLF     = 0,
    737 	ATSCMH_SCCC_CODE_QTR     = 1,
    738 	ATSCMH_SCCC_CODE_RES     = 2,
    739 };
    740 
    741 /**
    742  * enum atscmh_rs_frame_ensemble - Reed Solomon(RS) frame ensemble.
    743  *
    744  * @ATSCMH_RSFRAME_ENS_PRI:	Primary Ensemble.
    745  * @ATSCMH_RSFRAME_ENS_SEC:	Secondary Ensemble.
    746  */
    747 enum atscmh_rs_frame_ensemble {
    748 	ATSCMH_RSFRAME_ENS_PRI   = 0,
    749 	ATSCMH_RSFRAME_ENS_SEC   = 1,
    750 };
    751 
    752 /**
    753  * enum atscmh_rs_frame_mode - Reed Solomon (RS) frame mode.
    754  *
    755  * @ATSCMH_RSFRAME_PRI_ONLY:
    756  *	Single Frame: There is only a primary RS Frame for all Group
    757  *	Regions.
    758  * @ATSCMH_RSFRAME_PRI_SEC:
    759  *	Dual Frame: There are two separate RS Frames: Primary RS Frame for
    760  *	Group Region A and B and Secondary RS Frame for Group Region C and
    761  *	D.
    762  * @ATSCMH_RSFRAME_RES:
    763  *	Reserved. Shouldn't be used.
    764  */
    765 enum atscmh_rs_frame_mode {
    766 	ATSCMH_RSFRAME_PRI_ONLY  = 0,
    767 	ATSCMH_RSFRAME_PRI_SEC   = 1,
    768 	ATSCMH_RSFRAME_RES       = 2,
    769 };
    770 
    771 /**
    772  * enum atscmh_rs_code_mode - ATSC-M/H Reed Solomon modes
    773  * @ATSCMH_RSCODE_211_187:	Reed Solomon code (211,187).
    774  * @ATSCMH_RSCODE_223_187:	Reed Solomon code (223,187).
    775  * @ATSCMH_RSCODE_235_187:	Reed Solomon code (235,187).
    776  * @ATSCMH_RSCODE_RES:		Reserved. Shouldn't be used.
    777  */
    778 enum atscmh_rs_code_mode {
    779 	ATSCMH_RSCODE_211_187    = 0,
    780 	ATSCMH_RSCODE_223_187    = 1,
    781 	ATSCMH_RSCODE_235_187    = 2,
    782 	ATSCMH_RSCODE_RES        = 3,
    783 };
    784 
    785 #define NO_STREAM_ID_FILTER	(~0U)
    786 #define LNA_AUTO                (~0U)
    787 
    788 /**
    789  * enum fecap_scale_params - scale types for the quality parameters.
    790  *
    791  * @FE_SCALE_NOT_AVAILABLE: That QoS measure is not available. That
    792  *			    could indicate a temporary or a permanent
    793  *			    condition.
    794  * @FE_SCALE_DECIBEL: The scale is measured in 0.001 dB steps, typically
    795  *		      used on signal measures.
    796  * @FE_SCALE_RELATIVE: The scale is a relative percentual measure,
    797  *		       ranging from 0 (0%) to 0xffff (100%).
    798  * @FE_SCALE_COUNTER: The scale counts the occurrence of an event, like
    799  *		      bit error, block error, lapsed time.
    800  */
    801 enum fecap_scale_params {
    802 	FE_SCALE_NOT_AVAILABLE = 0,
    803 	FE_SCALE_DECIBEL,
    804 	FE_SCALE_RELATIVE,
    805 	FE_SCALE_COUNTER
    806 };
    807 
    808 /**
    809  * struct dtv_stats - Used for reading a DTV status property
    810  *
    811  * @scale:
    812  *	Filled with enum fecap_scale_params - the scale in usage
    813  *	for that parameter
    814  *
    815  * @svalue:
    816  *	integer value of the measure, for %FE_SCALE_DECIBEL,
    817  *	used for dB measures. The unit is 0.001 dB.
    818  *
    819  * @uvalue:
    820  *	unsigned integer value of the measure, used when @scale is
    821  *	either %FE_SCALE_RELATIVE or %FE_SCALE_COUNTER.
    822  *
    823  * For most delivery systems, this will return a single value for each
    824  * parameter.
    825  *
    826  * It should be noticed, however, that new OFDM delivery systems like
    827  * ISDB can use different modulation types for each group of carriers.
    828  * On such standards, up to 8 groups of statistics can be provided, one
    829  * for each carrier group (called "layer" on ISDB).
    830  *
    831  * In order to be consistent with other delivery systems, the first
    832  * value refers to the entire set of carriers ("global").
    833  *
    834  * @scale should use the value %FE_SCALE_NOT_AVAILABLE when
    835  * the value for the entire group of carriers or from one specific layer
    836  * is not provided by the hardware.
    837  *
    838  * @len should be filled with the latest filled status + 1.
    839  *
    840  * In other words, for ISDB, those values should be filled like::
    841  *
    842  *	u.st.stat.svalue[0] = global statistics;
    843  *	u.st.stat.scale[0] = FE_SCALE_DECIBEL;
    844  *	u.st.stat.value[1] = layer A statistics;
    845  *	u.st.stat.scale[1] = FE_SCALE_NOT_AVAILABLE (if not available);
    846  *	u.st.stat.svalue[2] = layer B statistics;
    847  *	u.st.stat.scale[2] = FE_SCALE_DECIBEL;
    848  *	u.st.stat.svalue[3] = layer C statistics;
    849  *	u.st.stat.scale[3] = FE_SCALE_DECIBEL;
    850  *	u.st.len = 4;
    851  */
    852 struct dtv_stats {
    853 	__u8 scale;	/* enum fecap_scale_params type */
    854 	union {
    855 		__u64 uvalue;	/* for counters and relative scales */
    856 		__s64 svalue;	/* for 0.001 dB measures */
    857 	}  __attribute__ ((packed));
    858 } __attribute__ ((packed));
    859 
    860 
    861 #define MAX_DTV_STATS   4
    862 
    863 /**
    864  * struct dtv_fe_stats - store Digital TV frontend statistics
    865  *
    866  * @len:	length of the statistics - if zero, stats is disabled.
    867  * @stat:	array with digital TV statistics.
    868  *
    869  * On most standards, @len can either be 0 or 1. However, for ISDB, each
    870  * layer is modulated in separate. So, each layer may have its own set
    871  * of statistics. If so, stat[0] carries on a global value for the property.
    872  * Indexes 1 to 3 means layer A to B.
    873  */
    874 struct dtv_fe_stats {
    875 	__u8 len;
    876 	struct dtv_stats stat[MAX_DTV_STATS];
    877 } __attribute__ ((packed));
    878 
    879 /**
    880  * struct dtv_property - store one of frontend command and its value
    881  *
    882  * @cmd:		Digital TV command.
    883  * @reserved:		Not used.
    884  * @u:			Union with the values for the command.
    885  * @u.data:		A unsigned 32 bits integer with command value.
    886  * @u.buffer:		Struct to store bigger properties.
    887  *			Currently unused.
    888  * @u.buffer.data:	an unsigned 32-bits array.
    889  * @u.buffer.len:	number of elements of the buffer.
    890  * @u.buffer.reserved1:	Reserved.
    891  * @u.buffer.reserved2:	Reserved.
    892  * @u.st:		a &struct dtv_fe_stats array of statistics.
    893  * @result:		Currently unused.
    894  *
    895  */
    896 struct dtv_property {
    897 	__u32 cmd;
    898 	__u32 reserved[3];
    899 	union {
    900 		__u32 data;
    901 		struct dtv_fe_stats st;
    902 		struct {
    903 			__u8 data[32];
    904 			__u32 len;
    905 			__u32 reserved1[3];
    906 			void *reserved2;
    907 		} buffer;
    908 	} u;
    909 	int result;
    910 } __attribute__ ((packed));
    911 
    912 /* num of properties cannot exceed DTV_IOCTL_MAX_MSGS per ioctl */
    913 #define DTV_IOCTL_MAX_MSGS 64
    914 
    915 /**
    916  * struct dtv_properties - a set of command/value pairs.
    917  *
    918  * @num:	amount of commands stored at the struct.
    919  * @props:	a pointer to &struct dtv_property.
    920  */
    921 struct dtv_properties {
    922 	__u32 num;
    923 	struct dtv_property *props;
    924 };
    925 
    926 /*
    927  * When set, this flag will disable any zigzagging or other "normal" tuning
    928  * behavior. Additionally, there will be no automatic monitoring of the lock
    929  * status, and hence no frontend events will be generated. If a frontend device
    930  * is closed, this flag will be automatically turned off when the device is
    931  * reopened read-write.
    932  */
    933 #define FE_TUNE_MODE_ONESHOT 0x01
    934 
    935 /* Digital TV Frontend API calls */
    936 
    937 #define FE_GET_INFO		   _IOR('o', 61, struct dvb_frontend_info)
    938 
    939 #define FE_DISEQC_RESET_OVERLOAD   _IO('o', 62)
    940 #define FE_DISEQC_SEND_MASTER_CMD  _IOW('o', 63, struct dvb_diseqc_master_cmd)
    941 #define FE_DISEQC_RECV_SLAVE_REPLY _IOR('o', 64, struct dvb_diseqc_slave_reply)
    942 #define FE_DISEQC_SEND_BURST       _IO('o', 65)  /* fe_sec_mini_cmd_t */
    943 
    944 #define FE_SET_TONE		   _IO('o', 66)  /* fe_sec_tone_mode_t */
    945 #define FE_SET_VOLTAGE		   _IO('o', 67)  /* fe_sec_voltage_t */
    946 #define FE_ENABLE_HIGH_LNB_VOLTAGE _IO('o', 68)  /* int */
    947 
    948 #define FE_READ_STATUS		   _IOR('o', 69, fe_status_t)
    949 #define FE_READ_BER		   _IOR('o', 70, __u32)
    950 #define FE_READ_SIGNAL_STRENGTH    _IOR('o', 71, __u16)
    951 #define FE_READ_SNR		   _IOR('o', 72, __u16)
    952 #define FE_READ_UNCORRECTED_BLOCKS _IOR('o', 73, __u32)
    953 
    954 #define FE_SET_FRONTEND_TUNE_MODE  _IO('o', 81) /* unsigned int */
    955 #define FE_GET_EVENT		   _IOR('o', 78, struct dvb_frontend_event)
    956 
    957 #define FE_DISHNETWORK_SEND_LEGACY_CMD _IO('o', 80) /* unsigned int */
    958 
    959 #define FE_SET_PROPERTY		   _IOW('o', 82, struct dtv_properties)
    960 #define FE_GET_PROPERTY		   _IOR('o', 83, struct dtv_properties)
    961 
    962 
    963 /*
    964  * DEPRECATED: Everything below is deprecated in favor of DVBv5 API
    965  *
    966  * The DVBv3 only ioctls, structs and enums should not be used on
    967  * newer programs, as it doesn't support the second generation of
    968  * digital TV standards, nor supports newer delivery systems.
    969  * They also don't support modern frontends with usually support multiple
    970  * delivery systems.
    971  *
    972  * Drivers shouldn't use them.
    973  *
    974  * New applications should use DVBv5 delivery system instead
    975  */
    976 
    977 /*
    978  */
    979 
    980 enum fe_bandwidth {
    981 	BANDWIDTH_8_MHZ,
    982 	BANDWIDTH_7_MHZ,
    983 	BANDWIDTH_6_MHZ,
    984 	BANDWIDTH_AUTO,
    985 	BANDWIDTH_5_MHZ,
    986 	BANDWIDTH_10_MHZ,
    987 	BANDWIDTH_1_712_MHZ,
    988 };
    989 
    990 /* This is kept for legacy userspace support */
    991 typedef enum fe_sec_voltage fe_sec_voltage_t;
    992 typedef enum fe_caps fe_caps_t;
    993 typedef enum fe_type fe_type_t;
    994 typedef enum fe_sec_tone_mode fe_sec_tone_mode_t;
    995 typedef enum fe_sec_mini_cmd fe_sec_mini_cmd_t;
    996 typedef enum fe_status fe_status_t;
    997 typedef enum fe_spectral_inversion fe_spectral_inversion_t;
    998 typedef enum fe_code_rate fe_code_rate_t;
    999 typedef enum fe_modulation fe_modulation_t;
   1000 typedef enum fe_transmit_mode fe_transmit_mode_t;
   1001 typedef enum fe_bandwidth fe_bandwidth_t;
   1002 typedef enum fe_guard_interval fe_guard_interval_t;
   1003 typedef enum fe_hierarchy fe_hierarchy_t;
   1004 typedef enum fe_pilot fe_pilot_t;
   1005 typedef enum fe_rolloff fe_rolloff_t;
   1006 typedef enum fe_delivery_system fe_delivery_system_t;
   1007 
   1008 /* DVBv3 structs */
   1009 
   1010 struct dvb_qpsk_parameters {
   1011 	__u32		symbol_rate;  /* symbol rate in Symbols per second */
   1012 	fe_code_rate_t	fec_inner;    /* forward error correction (see above) */
   1013 };
   1014 
   1015 struct dvb_qam_parameters {
   1016 	__u32		symbol_rate; /* symbol rate in Symbols per second */
   1017 	fe_code_rate_t	fec_inner;   /* forward error correction (see above) */
   1018 	fe_modulation_t	modulation;  /* modulation type (see above) */
   1019 };
   1020 
   1021 struct dvb_vsb_parameters {
   1022 	fe_modulation_t	modulation;  /* modulation type (see above) */
   1023 };
   1024 
   1025 struct dvb_ofdm_parameters {
   1026 	fe_bandwidth_t      bandwidth;
   1027 	fe_code_rate_t      code_rate_HP;  /* high priority stream code rate */
   1028 	fe_code_rate_t      code_rate_LP;  /* low priority stream code rate */
   1029 	fe_modulation_t     constellation; /* modulation type (see above) */
   1030 	fe_transmit_mode_t  transmission_mode;
   1031 	fe_guard_interval_t guard_interval;
   1032 	fe_hierarchy_t      hierarchy_information;
   1033 };
   1034 
   1035 struct dvb_frontend_parameters {
   1036 	__u32 frequency;  /* (absolute) frequency in Hz for DVB-C/DVB-T/ATSC */
   1037 			  /* intermediate frequency in kHz for DVB-S */
   1038 	fe_spectral_inversion_t inversion;
   1039 	union {
   1040 		struct dvb_qpsk_parameters qpsk;	/* DVB-S */
   1041 		struct dvb_qam_parameters  qam;		/* DVB-C */
   1042 		struct dvb_ofdm_parameters ofdm;	/* DVB-T */
   1043 		struct dvb_vsb_parameters vsb;		/* ATSC */
   1044 	} u;
   1045 };
   1046 
   1047 struct dvb_frontend_event {
   1048 	fe_status_t status;
   1049 	struct dvb_frontend_parameters parameters;
   1050 };
   1051 
   1052 /* DVBv3 API calls */
   1053 
   1054 #define FE_SET_FRONTEND		   _IOW('o', 76, struct dvb_frontend_parameters)
   1055 #define FE_GET_FRONTEND		   _IOR('o', 77, struct dvb_frontend_parameters)
   1056 
   1057 
   1058 #endif /*_DVBFRONTEND_H_*/