dib0070.h
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/*
* Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner.
*
* Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2.
*/
#ifndef DIB0070_H
#define DIB0070_H
struct dvb_frontend;
struct i2c_adapter;
#define DEFAULT_DIB0070_I2C_ADDRESS 0x60
struct dib0070_wbd_gain_cfg {
u16 freq;
u16 wbd_gain_val;
};
struct dib0070_config {
u8 i2c_address;
/* tuner pins controlled externally */
int (*reset) (struct dvb_frontend *, int);
int (*sleep) (struct dvb_frontend *, int);
/* offset in kHz */
int freq_offset_khz_uhf;
int freq_offset_khz_vhf;
u8 osc_buffer_state; /* 0= normal, 1= tri-state */
u32 clock_khz;
u8 clock_pad_drive; /* (Drive + 1) * 2mA */
u8 invert_iq; /* invert Q - in case I or Q is inverted on the board */
u8 force_crystal_mode; /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
u8 flip_chip;
u8 enable_third_order_filter;
u8 charge_pump;
const struct dib0070_wbd_gain_cfg *wbd_gain;
u8 vga_filter;
};
#if IS_ENABLED(CONFIG_DVB_TUNER_DIB0070)
extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg);
extern u16 dib0070_wbd_offset(struct dvb_frontend *);
extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open);
extern u8 dib0070_get_rf_output(struct dvb_frontend *fe);
extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no);
#else
static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return 0;
}
static inline void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
}
#endif
#endif