2024-09-09 08:52:07 +00:00
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/*
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* Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner.
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*
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* Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation, version 2.
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*/
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#ifndef DIB0070_H
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#define DIB0070_H
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struct dvb_frontend;
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struct i2c_adapter;
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#define DEFAULT_DIB0070_I2C_ADDRESS 0x60
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struct dib0070_wbd_gain_cfg {
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u16 freq;
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u16 wbd_gain_val;
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};
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struct dib0070_config {
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u8 i2c_address;
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/* tuner pins controlled externally */
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int (*reset) (struct dvb_frontend *, int);
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int (*sleep) (struct dvb_frontend *, int);
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/* offset in kHz */
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int freq_offset_khz_uhf;
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int freq_offset_khz_vhf;
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u8 osc_buffer_state; /* 0= normal, 1= tri-state */
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u32 clock_khz;
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u8 clock_pad_drive; /* (Drive + 1) * 2mA */
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u8 invert_iq; /* invert Q - in case I or Q is inverted on the board */
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u8 force_crystal_mode; /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */
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u8 flip_chip;
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u8 enable_third_order_filter;
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u8 charge_pump;
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const struct dib0070_wbd_gain_cfg *wbd_gain;
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u8 vga_filter;
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};
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2024-09-09 08:57:42 +00:00
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#if IS_REACHABLE(CONFIG_DVB_TUNER_DIB0070)
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2024-09-09 08:52:07 +00:00
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extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg);
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extern u16 dib0070_wbd_offset(struct dvb_frontend *);
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extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open);
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extern u8 dib0070_get_rf_output(struct dvb_frontend *fe);
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extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no);
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#else
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static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return NULL;
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}
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static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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return 0;
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}
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static inline void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open)
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{
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
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}
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#endif
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#endif
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