diff options
Diffstat (limited to 'include/media/dvb_frontend.h')
| -rw-r--r-- | include/media/dvb_frontend.h | 49 |
1 files changed, 39 insertions, 10 deletions
diff --git a/include/media/dvb_frontend.h b/include/media/dvb_frontend.h index 331c8269c00e..6f7a85ab3541 100644 --- a/include/media/dvb_frontend.h +++ b/include/media/dvb_frontend.h @@ -52,6 +52,10 @@ */ #define MAX_DELSYS 8 +/* Helper definitions to be used at frontend drivers */ +#define kHz 1000UL +#define MHz 1000000UL + /** * struct dvb_frontend_tune_settings - parameters to adjust frontend tuning * @@ -73,22 +77,19 @@ struct dvb_frontend; * struct dvb_tuner_info - Frontend name and min/max ranges/bandwidths * * @name: name of the Frontend - * @frequency_min: minimal frequency supported - * @frequency_max: maximum frequency supported - * @frequency_step: frequency step + * @frequency_min_hz: minimal frequency supported in Hz + * @frequency_max_hz: maximum frequency supported in Hz + * @frequency_step_hz: frequency step in Hz * @bandwidth_min: minimal frontend bandwidth supported * @bandwidth_max: maximum frontend bandwidth supported * @bandwidth_step: frontend bandwidth step - * - * NOTE: frequency parameters are in Hz, for terrestrial/cable or kHz for - * satellite. */ struct dvb_tuner_info { char name[128]; - u32 frequency_min; - u32 frequency_max; - u32 frequency_step; + u32 frequency_min_hz; + u32 frequency_max_hz; + u32 frequency_step_hz; u32 bandwidth_min; u32 bandwidth_max; @@ -316,6 +317,34 @@ struct analog_demod_ops { struct dtv_frontend_properties; +/** + * struct dvb_frontend_internal_info - Frontend properties and capabilities + * + * @name: Name of the frontend + * @frequency_min_hz: Minimal frequency supported by the frontend. + * @frequency_max_hz: Minimal frequency supported by the frontend. + * @frequency_stepsize_hz: All frequencies are multiple of this value. + * @frequency_tolerance_hz: Frequency tolerance. + * @symbol_rate_min: Minimal symbol rate, in bauds + * (for Cable/Satellite systems). + * @symbol_rate_max: Maximal symbol rate, in bauds + * (for Cable/Satellite systems). + * @symbol_rate_tolerance: Maximal symbol rate tolerance, in ppm + * (for Cable/Satellite systems). + * @caps: Capabilities supported by the frontend, + * as specified in &enum fe_caps. + */ +struct dvb_frontend_internal_info { + char name[128]; + u32 frequency_min_hz; + u32 frequency_max_hz; + u32 frequency_stepsize_hz; + u32 frequency_tolerance_hz; + u32 symbol_rate_min; + u32 symbol_rate_max; + u32 symbol_rate_tolerance; + enum fe_caps caps; +}; /** * struct dvb_frontend_ops - Demodulation information and callbacks for @@ -403,7 +432,7 @@ struct dtv_frontend_properties; * @analog_ops: pointer to &struct analog_demod_ops */ struct dvb_frontend_ops { - struct dvb_frontend_info info; + struct dvb_frontend_internal_info info; u8 delsys[MAX_DELSYS]; |