/* SPDX-License-Identifier: GPL-2.0-or-later */ /* Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver Copyright (C) 2005 Steven Toth <stoth@linuxtv.org> */ #ifndef CX24123_H #define CX24123_H #include <linux/dvb/frontend.h> struct cx24123_config { /* the demodulator's i2c address */ u8 demod_address; /* Need to set device param for start_dma */ int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured); /* 0 = LNB voltage normal, 1 = LNB voltage inverted */ int lnb_polarity; /* this device has another tuner */ u8 dont_use_pll; void (*agc_callback) (struct dvb_frontend *); }; #if IS_REACHABLE(CONFIG_DVB_CX24123) extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config, struct i2c_adapter *i2c); extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *); #else static inline struct dvb_frontend *cx24123_attach( const struct cx24123_config *config, struct i2c_adapter *i2c) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } static inline struct i2c_adapter * cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); return NULL; } #endif #endif /* CX24123_H */