V4L/DVB (4160): Use device specific algorithms

[linux-2.6] / drivers / media / dvb / dvb-core / dvb_frontend.h

diff --git a/drivers/media/dvb/dvb-core/dvb_frontend.h b/drivers/media/dvb/dvb-core/dvb_frontend.h
index 1e0840d02f1f5e0307cbd7b9cc1d9eabc53c7f56..2887e2b862a4436d1002a5dcee6ffafb1b5aba1f 100644 (file)
--- a/drivers/media/dvb/dvb-core/dvb_frontend.h
+++ b/drivers/media/dvb/dvb-core/dvb_frontend.h
@@ -49,6 +49,44 @@ struct dvb_frontend_tune_settings {
 
 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;
@@ -58,10 +96,21 @@ struct dvb_frontend_ops {
        int (*init)(struct dvb_frontend* fe);
        int (*sleep)(struct dvb_frontend* fe);
 
+       /* 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 (*get_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
        int (*get_tune_settings)(struct dvb_frontend* fe, struct dvb_frontend_tune_settings* settings);
 
+       int (*get_frontend)(struct dvb_frontend* fe, struct dvb_frontend_parameters* params);
+
        int (*read_status)(struct dvb_frontend* fe, fe_status_t* status);
        int (*read_ber)(struct dvb_frontend* fe, u32* ber);
        int (*read_signal_strength)(struct dvb_frontend* fe, u16* strength);
@@ -74,8 +123,11 @@ struct dvb_frontend_ops {
        int (*diseqc_send_burst)(struct dvb_frontend* fe, fe_sec_mini_cmd_t minicmd);
        int (*set_tone)(struct dvb_frontend* fe, fe_sec_tone_mode_t tone);
        int (*set_voltage)(struct dvb_frontend* fe, fe_sec_voltage_t voltage);
-       int (*enable_high_lnb_voltage)(struct dvb_frontend* fe, int arg);
-       int (*dishnetwork_send_legacy_command)(struct dvb_frontend* fe, unsigned int cmd);
+       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);
+
+       struct dvb_tuner_ops tuner_ops;
 };
 
 #define MAX_EVENT 8
@@ -90,10 +142,12 @@ struct dvb_fe_events {
 };
 
 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* misc_priv;
 };
 
 extern int dvb_register_frontend(struct dvb_adapter* dvb,
@@ -101,6 +155,8 @@ extern int dvb_register_frontend(struct dvb_adapter* dvb,
 
 extern int dvb_unregister_frontend(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);