diff options
Diffstat (limited to 'drivers/media/dvb/dvb-core/dvb_frontend.h')
| -rw-r--r-- | drivers/media/dvb/dvb-core/dvb_frontend.h | 134 |
1 files changed, 133 insertions, 1 deletions
diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h index db4a63b0a32..e176da472d7 100644 --- a/drivers/media/dvb/dvb-core/dvb_frontend.h +++ b/drivers/media/dvb/dvb-core/dvb_frontend.h @@ -69,6 +69,125 @@ struct analog_parameters { u64 std; }; +enum dvbfe_modcod { + DVBFE_MODCOD_DUMMY_PLFRAME = 0, + DVBFE_MODCOD_QPSK_1_4, + DVBFE_MODCOD_QPSK_1_3, + DVBFE_MODCOD_QPSK_2_5, + DVBFE_MODCOD_QPSK_1_2, + DVBFE_MODCOD_QPSK_3_5, + DVBFE_MODCOD_QPSK_2_3, + DVBFE_MODCOD_QPSK_3_4, + DVBFE_MODCOD_QPSK_4_5, + DVBFE_MODCOD_QPSK_5_6, + DVBFE_MODCOD_QPSK_8_9, + DVBFE_MODCOD_QPSK_9_10, + DVBFE_MODCOD_8PSK_3_5, + DVBFE_MODCOD_8PSK_2_3, + DVBFE_MODCOD_8PSK_3_4, + DVBFE_MODCOD_8PSK_5_6, + DVBFE_MODCOD_8PSK_8_9, + DVBFE_MODCOD_8PSK_9_10, + DVBFE_MODCOD_16APSK_2_3, + DVBFE_MODCOD_16APSK_3_4, + DVBFE_MODCOD_16APSK_4_5, + DVBFE_MODCOD_16APSK_5_6, + DVBFE_MODCOD_16APSK_8_9, + DVBFE_MODCOD_16APSK_9_10, + DVBFE_MODCOD_32APSK_3_4, + DVBFE_MODCOD_32APSK_4_5, + DVBFE_MODCOD_32APSK_5_6, + DVBFE_MODCOD_32APSK_8_9, + DVBFE_MODCOD_32APSK_9_10, + DVBFE_MODCOD_RESERVED_1, + DVBFE_MODCOD_BPSK_1_3, + DVBFE_MODCOD_BPSK_1_4, + DVBFE_MODCOD_RESERVED_2 +}; + +enum tuner_param { + DVBFE_TUNER_FREQUENCY = (1 << 0), + DVBFE_TUNER_TUNERSTEP = (1 << 1), + DVBFE_TUNER_IFFREQ = (1 << 2), + DVBFE_TUNER_BANDWIDTH = (1 << 3), + DVBFE_TUNER_REFCLOCK = (1 << 4), + DVBFE_TUNER_IQSENSE = (1 << 5), + DVBFE_TUNER_DUMMY = (1 << 31) +}; + +/* + * ALGO_HW: (Hardware Algorithm) + * ---------------------------------------------------------------- + * Devices that support this algorithm do everything in hardware + * and no software support is needed to handle them. + * Requesting these devices to LOCK is the only thing required, + * device is supposed to do everything in the hardware. + * + * ALGO_SW: (Software Algorithm) + * ---------------------------------------------------------------- + * These are dumb devices, that require software to do everything + * + * ALGO_CUSTOM: (Customizable Agorithm) + * ---------------------------------------------------------------- + * Devices having this algorithm can be customized to have specific + * algorithms in the frontend driver, rather than simply doing a + * software zig-zag. In this case the zigzag maybe hardware assisted + * or it maybe completely done in hardware. In all cases, usage of + * this algorithm, in conjunction with the search and track + * callbacks, utilizes the driver specific algorithm. + * + * ALGO_RECOVERY: (Recovery Algorithm) + * ---------------------------------------------------------------- + * These devices have AUTO recovery capabilities from LOCK failure + */ +enum dvbfe_algo { + DVBFE_ALGO_HW = (1 << 0), + DVBFE_ALGO_SW = (1 << 1), + DVBFE_ALGO_CUSTOM = (1 << 2), + DVBFE_ALGO_RECOVERY = (1 << 31) +}; + +struct tuner_state { + u32 frequency; + u32 tunerstep; + u32 ifreq; + u32 bandwidth; + u32 iqsense; + u32 refclock; +}; + +/* + * search callback possible return status + * + * DVBFE_ALGO_SEARCH_SUCCESS + * The frontend search algorithm completed and returned succesfully + * + * DVBFE_ALGO_SEARCH_ASLEEP + * The frontend search algorithm is sleeping + * + * DVBFE_ALGO_SEARCH_FAILED + * The frontend search for a signal failed + * + * DVBFE_ALGO_SEARCH_INVALID + * The frontend search algorith was probably supplied with invalid + * parameters and the search is an invalid one + * + * DVBFE_ALGO_SEARCH_ERROR + * The frontend search algorithm failed due to some error + * + * DVBFE_ALGO_SEARCH_AGAIN + * The frontend search algorithm was requested to search again + */ +enum dvbfe_search { + DVBFE_ALGO_SEARCH_SUCCESS = (1 << 0), + DVBFE_ALGO_SEARCH_ASLEEP = (1 << 1), + DVBFE_ALGO_SEARCH_FAILED = (1 << 2), + DVBFE_ALGO_SEARCH_INVALID = (1 << 3), + DVBFE_ALGO_SEARCH_AGAIN = (1 << 4), + DVBFE_ALGO_SEARCH_ERROR = (1 << 31), +}; + + struct dvb_tuner_ops { struct dvb_tuner_info info; @@ -99,6 +218,13 @@ struct dvb_tuner_ops { * tuners which require sophisticated tuning loops, controlling each parameter seperately. */ int (*set_frequency)(struct dvb_frontend *fe, u32 frequency); int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth); + + /* + * These are provided seperately from set_params in order to facilitate silicon + * tuners which require sophisticated tuning loops, controlling each parameter seperately. + */ + int (*set_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state); + int (*get_state)(struct dvb_frontend *fe, enum tuner_param param, struct tuner_state *state); }; struct analog_demod_info { @@ -142,7 +268,7 @@ struct dvb_frontend_ops { unsigned int *delay, fe_status_t *status); /* get frontend tuning algorithm from the module */ - int (*get_frontend_algo)(struct dvb_frontend *fe); + enum dvbfe_algo (*get_frontend_algo)(struct dvb_frontend *fe); /* these two are only used for the swzigzag code */ int (*set_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params); @@ -167,6 +293,12 @@ struct dvb_frontend_ops { int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable); int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire); + /* These callbacks are for devices that implement their own + * tuning algorithms, rather than a simple swzigzag + */ + enum dvbfe_search (*search)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p); + int (*track)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p); + struct dvb_tuner_ops tuner_ops; struct analog_demod_ops analog_ops; |