1 /* 2 * Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner. 3 * 4 * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation, version 2. 9 */ 10 #ifndef DIB0070_H 11 #define DIB0070_H 12 13 struct dvb_frontend; 14 struct i2c_adapter; 15 16 #define DEFAULT_DIB0070_I2C_ADDRESS 0x60 17 18 struct dib0070_wbd_gain_cfg { 19 u16 freq; 20 u16 wbd_gain_val; 21 }; 22 23 struct dib0070_config { 24 u8 i2c_address; 25 26 /* tuner pins controlled externally */ 27 int (*reset) (struct dvb_frontend *, int); 28 int (*sleep) (struct dvb_frontend *, int); 29 30 /* offset in kHz */ 31 int freq_offset_khz_uhf; 32 int freq_offset_khz_vhf; 33 34 u8 osc_buffer_state; /* 0= normal, 1= tri-state */ 35 u32 clock_khz; 36 u8 clock_pad_drive; /* (Drive + 1) * 2mA */ 37 38 u8 invert_iq; /* invert Q - in case I or Q is inverted on the board */ 39 40 u8 force_crystal_mode; /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */ 41 42 u8 flip_chip; 43 u8 enable_third_order_filter; 44 u8 charge_pump; 45 46 const struct dib0070_wbd_gain_cfg *wbd_gain; 47 48 u8 vga_filter; 49 }; 50 51 #if IS_ENABLED(CONFIG_DVB_TUNER_DIB0070) 52 extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg); 53 extern u16 dib0070_wbd_offset(struct dvb_frontend *); 54 extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open); 55 extern u8 dib0070_get_rf_output(struct dvb_frontend *fe); 56 extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no); 57 #else 58 static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg) 59 { 60 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 61 return NULL; 62 } 63 64 static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe) 65 { 66 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 67 return 0; 68 } 69 70 static inline void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open) 71 { 72 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 73 } 74 #endif 75 76 #endif 77