1 /* SPDX-License-Identifier: GPL-2.0-only */ 2 /* 3 * Linux-DVB Driver for DiBcom's DiB0070 base-band RF Tuner. 4 * 5 * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/) 6 */ 7 #ifndef DIB0070_H 8 #define DIB0070_H 9 10 struct dvb_frontend; 11 struct i2c_adapter; 12 13 #define DEFAULT_DIB0070_I2C_ADDRESS 0x60 14 15 struct dib0070_wbd_gain_cfg { 16 u16 freq; 17 u16 wbd_gain_val; 18 }; 19 20 struct dib0070_config { 21 u8 i2c_address; 22 23 /* tuner pins controlled externally */ 24 int (*reset) (struct dvb_frontend *, int); 25 int (*sleep) (struct dvb_frontend *, int); 26 27 /* offset in kHz */ 28 int freq_offset_khz_uhf; 29 int freq_offset_khz_vhf; 30 31 u8 osc_buffer_state; /* 0= normal, 1= tri-state */ 32 u32 clock_khz; 33 u8 clock_pad_drive; /* (Drive + 1) * 2mA */ 34 35 u8 invert_iq; /* invert Q - in case I or Q is inverted on the board */ 36 37 u8 force_crystal_mode; /* if == 0 -> decision is made in the driver default: <24 -> 2, >=24 -> 1 */ 38 39 u8 flip_chip; 40 u8 enable_third_order_filter; 41 u8 charge_pump; 42 43 const struct dib0070_wbd_gain_cfg *wbd_gain; 44 45 u8 vga_filter; 46 }; 47 48 #if IS_REACHABLE(CONFIG_DVB_TUNER_DIB0070) 49 extern struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg); 50 extern u16 dib0070_wbd_offset(struct dvb_frontend *); 51 extern void dib0070_ctrl_agc_filter(struct dvb_frontend *, u8 open); 52 extern u8 dib0070_get_rf_output(struct dvb_frontend *fe); 53 extern int dib0070_set_rf_output(struct dvb_frontend *fe, u8 no); 54 #else 55 static inline struct dvb_frontend *dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, struct dib0070_config *cfg) 56 { 57 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 58 return NULL; 59 } 60 61 static inline u16 dib0070_wbd_offset(struct dvb_frontend *fe) 62 { 63 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 64 return 0; 65 } 66 67 static inline void dib0070_ctrl_agc_filter(struct dvb_frontend *fe, u8 open) 68 { 69 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 70 } 71 #endif 72 73 #endif 74