diff options
Diffstat (limited to 'kernel/drivers/media/dvb-frontends/dib0070.h')
| -rw-r--r-- | kernel/drivers/media/dvb-frontends/dib0070.h | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/kernel/drivers/media/dvb-frontends/dib0070.h b/kernel/drivers/media/dvb-frontends/dib0070.h new file mode 100644 index 000000000..6c0b6672b --- /dev/null +++ b/kernel/drivers/media/dvb-frontends/dib0070.h @@ -0,0 +1,76 @@ +/* + * 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_REACHABLE(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 |