| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver |
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| 4 | |
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| 5 | Copyright (C) 2005 Steven Toth <stoth@linuxtv.org> |
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| 6 | |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef CX24123_H |
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| 10 | #define CX24123_H |
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| 11 | |
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| 12 | #include <linux/dvb/frontend.h> |
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| 13 | |
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| 14 | struct cx24123_config { |
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| 15 | /* the demodulator's i2c address */ |
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| 16 | u8 demod_address; |
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| 17 | |
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| 18 | /* Need to set device param for start_dma */ |
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| 19 | int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured); |
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| 20 | |
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| 21 | /* 0 = LNB voltage normal, 1 = LNB voltage inverted */ |
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| 22 | int lnb_polarity; |
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| 23 | |
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| 24 | /* this device has another tuner */ |
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| 25 | u8 dont_use_pll; |
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| 26 | void (*agc_callback) (struct dvb_frontend *); |
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| 27 | }; |
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| 28 | |
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| 29 | #if IS_REACHABLE(CONFIG_DVB_CX24123) |
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| 30 | extern struct dvb_frontend *cx24123_attach(const struct cx24123_config *config, |
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| 31 | struct i2c_adapter *i2c); |
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| 32 | extern struct i2c_adapter *cx24123_get_tuner_i2c_adapter(struct dvb_frontend *); |
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| 33 | #else |
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| 34 | static inline struct dvb_frontend *cx24123_attach( |
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| 35 | const struct cx24123_config *config, struct i2c_adapter *i2c) |
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| 36 | { |
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| 37 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
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| 38 | return NULL; |
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| 39 | } |
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| 40 | static inline struct i2c_adapter * |
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| 41 | cx24123_get_tuner_i2c_adapter(struct dvb_frontend *fe) |
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| 42 | { |
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| 43 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
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| 44 | return NULL; |
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| 45 | } |
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| 46 | #endif |
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| 47 | |
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| 48 | #endif /* CX24123_H */ |
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| 49 | |
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