#include <linux/module.h>
#include <linux/errno.h>
#include <linux/delay.h>
+#include <linux/mutex.h>
#include <linux/dvb/frontend.h>
u32 bandwidth_step;
};
+struct analog_parameters {
+ unsigned int frequency;
+ unsigned int mode;
+ unsigned int audmode;
+ u64 std;
+};
+
struct dvb_tuner_ops {
struct dvb_tuner_info info;
/** This is for simple PLLs - set all parameters in one go. */
int (*set_params)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p);
+ int (*set_analog_params)(struct dvb_frontend *fe, struct analog_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_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
#define TUNER_STATUS_LOCKED 1
+#define TUNER_STATUS_STEREO 2
int (*get_status)(struct dvb_frontend *fe, u32 *status);
+ int (*get_rf_strength)(struct dvb_frontend *fe, u16 *strength);
/** These are provided seperately from set_params in order to facilitate silicon
* tuners which require sophisticated tuning loops, controlling each parameter seperately. */
int eventr;
int overflow;
wait_queue_head_t wait_queue;
- struct semaphore sem;
+ struct mutex mtx;
};
struct dvb_frontend {