/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Driver for Sharp IX2505V ( marked B0017 ) DVB - S silicon tuner
*
* Copyright ( C ) 2010 Malcolm Priestley
*/
#ifndef DVB_IX2505V_H
#define DVB_IX2505V_H
#include <linux/i2c.h>
#include <media/dvb_frontend.h>
/**
* struct ix2505v_config - ix2505 attachment configuration
*
* @ tuner_address : tuner address
* @ tuner_gain : Baseband AMP gain control 0 / 1 = 0 dB ( default ) 2 = - 2 bB 3 = - 4 dB
* @ tuner_chargepump : Charge pump output + / - 0 = 120 1 = 260 2 = 555 3 = 1200 ( default )
* @ min_delay_ms : delay after tune
* @ tuner_write_only : disables reads
*/
struct ix2505v_config {
u8 tuner_address;
u8 tuner_gain;
u8 tuner_chargepump;
int min_delay_ms;
u8 tuner_write_only;
};
#if IS_REACHABLE(CONFIG_DVB_IX2505V)
/**
* ix2505v_attach - Attach a ix2505v tuner to the supplied frontend structure .
*
* @ fe : Frontend to attach to .
* @ config : pointer to & struct ix2505v_config
* @ i2c : pointer to & struct i2c_adapter .
*
* return : FE pointer on success , NULL on failure .
*/
extern struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
const struct ix2505v_config *config, struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *ix2505v_attach(struct dvb_frontend *fe,
const struct ix2505v_config *config, struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__);
return NULL;
}
#endif
#endif /* DVB_IX2505V_H */
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