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V4L/DVB (3892): Trim documentation 

Trim excess documentation down to the essentials.

Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Andrew de Quincey 2006-04-18 21:37:20 -03:00 committed by Mauro Carvalho Chehab
parent f54376e275
commit f6adb91c9e
1 changed files with 6 additions and 77 deletions
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83
drivers/media/dvb/dvb-core/dvb_frontend.h
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@ -62,99 +62,28 @@ struct dvb_tuner_info {
};
struct dvb_tuner_ops {
/**
* Description of the tuner.
*/
struct dvb_tuner_info info;
/**
* Cleanup an attached tuner.
*
* @param fe dvb_frontend structure to clean it up from.
* @return 0 on success, <0 on failure.
*/
int (*release)(struct dvb_frontend *fe);
/**
* Initialise a tuner.
*
* @param fe dvb_frontend structure.
* @return 0 on success, <0 on failure.
*/
int (*init)(struct dvb_frontend *fe);
/**
* Set a tuner into low power mode.
*
* @param fe dvb_frontend structure.
* @return 0 on success, <0 on failure.
*/
int (*sleep)(struct dvb_frontend *fe);
/**
* This is for simple PLLs - set all parameters in one go.
*
* @param fe The dvb_frontend structure.
* @param p The parameters to set.
* @return 0 on success, <0 on failure.
*/
/** 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.
*
* @param fe The dvb_frontend structure.
* @param p The parameters to set.
* @param buf The buffer to fill with data. For an i2c tuner, the first byte should be the tuner i2c address in linux format.
* @param buf_len Size of buffer in bytes.
* @return Number of bytes used, or <0 on failure.
*/
int (*pllbuf)(struct dvb_frontend *fe, struct dvb_frontend_parameters *p, u8 *buf, int buf_len);
/** 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);
/**
* Get the frequency the tuner was actually set to.
*
* @param fe The dvb_frontend structure.
* @param frequency Where to put it.
* @return 0 on success, or <0 on failure.
*/
int (*get_frequency)(struct dvb_frontend *fe, u32 *frequency);
/**
* Get the bandwidth the tuner was actually set to.
*
* @param fe The dvb_frontend structure.
* @param bandwidth Where to put it.
* @return 0 on success, or <0 on failure.
*/
int (*get_bandwidth)(struct dvb_frontend *fe, u32 *bandwidth);
/**
* Get the tuner's status.
*
* @param fe The dvb_frontend structure.
* @param status Where to put it.
* @return 0 on success, or <0 on failure.
*/
#define TUNER_STATUS_LOCKED 1
int (*get_status)(struct dvb_frontend *fe, u32 *status);
/**
* Set the frequency of the tuner - for complex tuners.
*
* @param fe The dvb_frontend structure.
* @param frequency What to set.
* @return 0 on success, or <0 on failure.
*/
/** 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);
/**
* Set the bandwidth of the tuner - for complex tuners.
*
* @param fe The dvb_frontend structure.
* @param bandwidth What to set.
* @return 0 on success, or <0 on failure.
*/
int (*set_bandwidth)(struct dvb_frontend *fe, u32 bandwidth);
};