| /* 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 */ |
