diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/media/dvb-core/dvb_frontend.h | 105 |
1 files changed, 91 insertions, 14 deletions
diff --git a/drivers/media/dvb-core/dvb_frontend.h b/drivers/media/dvb-core/dvb_frontend.h index 115995958da6..796cc5dca819 100644 --- a/drivers/media/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb-core/dvb_frontend.h @@ -337,7 +337,8 @@ struct dtv_frontend_properties; /** - * struct dvb_frontend_ops + * struct dvb_frontend_ops - Demodulation information and callbacks for + * ditialt TV * * @info: embedded struct dvb_tuner_info with tuner properties * @delsys: Delivery systems supported by the frontend @@ -388,21 +389,21 @@ struct dtv_frontend_properties; * implementing this callback only if DVBv3 API * compatibility is wanted. * @diseqc_reset_overload: callback function to implement the - * FE_DISEQC_RESET_OVERLOAD ioctl. + * FE_DISEQC_RESET_OVERLOAD ioctl (only Satellite) * @diseqc_send_master_cmd: callback function to implement the - * FE_DISEQC_SEND_MASTER_CMD ioctl. + * FE_DISEQC_SEND_MASTER_CMD ioctl (only Satellite). * @diseqc_recv_slave_reply: callback function to implement the - * FE_DISEQC_RECV_SLAVE_REPLY ioctl. + * FE_DISEQC_RECV_SLAVE_REPLY ioctl (only Satellite) * @diseqc_send_burst: callback function to implement the - * FE_DISEQC_SEND_BURST ioctl. + * FE_DISEQC_SEND_BURST ioctl (only Satellite). * @set_tone: callback function to implement the - * FE_SET_TONE ioctl. + * FE_SET_TONE ioctl (only Satellite). * @set_voltage: callback function to implement the - * FE_SET_VOLTAGE ioctl. + * FE_SET_VOLTAGE ioctl (only Satellite). * @enable_high_lnb_voltage: callback function to implement the - * FE_ENABLE_HIGH_LNB_VOLTAGE ioctl. + * FE_ENABLE_HIGH_LNB_VOLTAGE ioctl (only Satellite). * @dishnetwork_send_legacy_command: callback function to implement the - * FE_DISHNETWORK_SEND_LEGACY_CMD ioctl. + * FE_DISHNETWORK_SEND_LEGACY_CMD ioctl (only Satellite). * @i2c_gate_ctrl: controls the I2C gate. Newer drivers should use I2C * mux support instead. * @ts_bus_ctrl: callback function used to take control of the TS bus. @@ -480,6 +481,7 @@ struct dvb_frontend_ops { #ifdef __DVB_CORE__ #define MAX_EVENT 8 +/* Used only internally at dvb_frontend.c */ struct dvb_fe_events { struct dvb_frontend_event events[MAX_EVENT]; int eventw; @@ -490,13 +492,83 @@ struct dvb_fe_events { }; #endif +/** + * struct dtv_frontend_properties - contains a list of properties that are + * specific to a digital TV standard. + * + * @frequency: frequency in Hz for terrestrial/cable or in kHz for + * Satellite + * @modulation: Frontend modulation type + * @voltage: SEC voltage (only Satellite) + * @sectone: SEC tone mode (only Satellite) + * @inversion: Spectral inversion + * @fec_inner: Forward error correction inner Code Rate + * @transmission_mode: Transmission Mode + * @bandwidth_hz: Bandwidth, in Hz. A zero value means that userspace + * wants to autodetect. + * @guard_interval: Guard Interval + * @hierarchy: Hierarchy + * @symbol_rate: Symbol Rate + * @code_rate_HP: high priority stream code rate + * @code_rate_LP: low priority stream code rate + * @pilot: Enable/disable/autodetect pilot tones + * @rolloff: Rolloff factor (alpha) + * @delivery_system: FE delivery system (e. g. digital TV standard) + * @interleaving: interleaving + * @isdbt_partial_reception: ISDB-T partial reception (only ISDB standard) + * @isdbt_sb_mode: ISDB-T Sound Broadcast (SB) mode (only ISDB standard) + * @isdbt_sb_subchannel: ISDB-T SB subchannel (only ISDB standard) + * @isdbt_sb_segment_idx: ISDB-T SB segment index (only ISDB standard) + * @isdbt_sb_segment_count: ISDB-T SB segment count (only ISDB standard) + * @isdbt_layer_enabled: ISDB Layer enabled (only ISDB standard) + * @layer: ISDB per-layer data (only ISDB standard) + * @layer.segment_count: Segment Count; + * @layer.fec: per layer code rate; + * @layer.modulation: per layer modulation; + * @layer.interleaving: per layer interleaving. + * @stream_id: If different than zero, enable substream filtering, if + * hardware supports (DVB-S2 and DVB-T2). + * @atscmh_fic_ver: Version number of the FIC (Fast Information Channel) + * signaling data (only ATSC-M/H) + * @atscmh_parade_id: Parade identification number (only ATSC-M/H) + * @atscmh_nog: Number of MH groups per MH subframe for a designated + * parade (only ATSC-M/H) + * @atscmh_tnog: Total number of MH groups including all MH groups + * belonging to all MH parades in one MH subframe + * (only ATSC-M/H) + * @atscmh_sgn: Start group number (only ATSC-M/H) + * @atscmh_prc: Parade repetition cycle (only ATSC-M/H) + * @atscmh_rs_frame_mode: Reed Solomon (RS) frame mode (only ATSC-M/H) + * @atscmh_rs_frame_ensemble: RS frame ensemble (only ATSC-M/H) + * @atscmh_rs_code_mode_pri: RS code mode pri (only ATSC-M/H) + * @atscmh_rs_code_mode_sec: RS code mode sec (only ATSC-M/H) + * @atscmh_sccc_block_mode: Series Concatenated Convolutional Code (SCCC) + * Block Mode (only ATSC-M/H) + * @atscmh_sccc_code_mode_a: SCCC code mode A (only ATSC-M/H) + * @atscmh_sccc_code_mode_b: SCCC code mode B (only ATSC-M/H) + * @atscmh_sccc_code_mode_c: SCCC code mode C (only ATSC-M/H) + * @atscmh_sccc_code_mode_d: SCCC code mode D (only ATSC-M/H) + * @lna: Power ON/OFF/AUTO the Linear Now-noise Amplifier (LNA) + * @strength: DVBv5 API statistics: Signal Strength + * @cnr: DVBv5 API statistics: Signal to Noise ratio of the + * (main) carrier + * @pre_bit_error: DVBv5 API statistics: pre-Viterbi bit error count + * @pre_bit_count: DVBv5 API statistics: pre-Viterbi bit count + * @post_bit_error: DVBv5 API statistics: post-Viterbi bit error count + * @post_bit_count: DVBv5 API statistics: post-Viterbi bit count + * @block_error: DVBv5 API statistics: block error count + * @block_count: DVBv5 API statistics: block count + * + * NOTE: derivated statistics like Uncorrected Error blocks (UCE) are + * calculated on userspace. + * + * Only a subset of the properties are needed for a given delivery system. + * For more info, consult the media_api.html with the documentation of the + * Userspace API. + */ struct dtv_frontend_properties { - - /* Cache State */ - u32 state; - u32 frequency; - enum fe_modulation modulation; + enum fe_modulation modulation; enum fe_sec_voltage voltage; enum fe_sec_tone_mode sectone; @@ -563,6 +635,11 @@ struct dtv_frontend_properties { struct dtv_fe_stats post_bit_count; struct dtv_fe_stats block_error; struct dtv_fe_stats block_count; + + /* private: */ + /* Cache State */ + u32 state; + }; #define DVB_FE_NO_EXIT 0 |