struct dvb_frontend;
+struct dvb_tuner_info {
+ char name[128];
+
+ u32 frequency_min;
+ u32 frequency_max;
+ u32 frequency_step;
+
+ u32 bandwidth_min;
+ u32 bandwidth_max;
+ u32 bandwidth_step;
+};
+
+struct dvb_tuner_ops {
+
+ struct dvb_tuner_info info;
+
+ int (*release)(struct dvb_frontend *fe);
+ int (*init)(struct dvb_frontend *fe);
+ int (*sleep)(struct dvb_frontend *fe);
+
+ /** This is for simple PLLs - set all parameters in one go. */
+ int (*set_params)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
+
+ /** This is support for demods like the mt352 - fills out the supplied buffer with what to write. */
+ int (*calc_regs)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
+
+ int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
+ int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
+
+#define TUNER_STATUS_LOCKED 1
+ int (*get_status)(struct dvb_frontend *fe, u32 *status);
+
+ /** These are provided seperately from set_params in order to facilitate silicon
+ * 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);
+};
+
struct dvb_frontend_ops {
struct dvb_frontend_info info;
void (*release)(struct dvb_frontend* fe);
+ void (*release_sec)(struct dvb_frontend* fe);
int (*init)(struct dvb_frontend* fe);
int (*sleep)(struct dvb_frontend* fe);
+ int (*write)(struct dvb_frontend* fe, u8* buf, int len);
+
/* if this is set, it overrides the default swzigzag */
int (*tune)(struct dvb_frontend* fe,
struct dvb_frontend_parameters* params,
unsigned int mode_flags,
int *delay,
fe_status_t *status);
+ /* get frontend tuning algorithm from the module */
+ int (*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);
int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, long arg);
int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned long cmd);
int (*i2c_gate_ctrl)(struct dvb_frontend* fe, int enable);
+ int (*ts_bus_ctrl)(struct dvb_frontend* fe, int acquire);
+
+ struct dvb_tuner_ops tuner_ops;
};
#define MAX_EVENT 8
};
struct dvb_frontend {
- struct dvb_frontend_ops* ops;
+ struct dvb_frontend_ops ops;
struct dvb_adapter *dvb;
void* demodulator_priv;
+ void* tuner_priv;
void* frontend_priv;
+ void* sec_priv;
};
extern int dvb_register_frontend(struct dvb_adapter* dvb,
extern int dvb_unregister_frontend(struct dvb_frontend* fe);
+extern void dvb_frontend_detach(struct dvb_frontend* fe);
+
+extern void dvb_frontend_reinitialise(struct dvb_frontend *fe);
+
extern void dvb_frontend_sleep_until(struct timeval *waketime, u32 add_usec);
extern s32 timeval_usec_diff(struct timeval lasttime, struct timeval curtime);