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 defined(CONFIG_DVB_TUNER_DIB0070) || (defined(CONFIG_DVB_TUNER_DIB0070_MODULE) && defined(MODULE))
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