/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Driver for Microtune MT2060 " Single chip dual conversion broadband tuner "
*
* Copyright ( c ) 2006 Olivier DANET < odanet @ caramail . com >
*/
#ifndef MT2060_H
#define MT2060_H
struct dvb_frontend;
struct i2c_adapter;
/*
* I2C address
* 0 x60 , . . .
*/
/**
* struct mt2060_platform_data - Platform data for the mt2060 driver
* @ clock_out : Clock output setting . 0 = off , 1 = CLK / 4 , 2 = CLK / 2 , 3 = CLK / 1 .
* @ if1 : First IF used [ MHz ] . 0 defaults to 1220 .
* @ i2c_write_max : Maximum number of bytes I2C adapter can write at once .
* 0 defaults to maximum .
* @ dvb_frontend : DVB frontend .
*/
struct mt2060_platform_data {
u8 clock_out;
u16 if1;
unsigned int i2c_write_max:5 ;
struct dvb_frontend *dvb_frontend;
};
/* configuration struct for mt2060_attach() */
struct mt2060_config {
u8 i2c_address;
u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */
};
#if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2060)
extern struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1);
#else
static inline struct dvb_frontend * mt2060_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct mt2060_config *cfg, u16 if1)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__);
return NULL;
}
#endif // CONFIG_MEDIA_TUNER_MT2060
#endif
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