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-rw-r--r--drivers/media/dvb-core/dvb_frontend.h105
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

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