| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | Driver for STV0297 demodulator |
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| 4 | |
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| 5 | Copyright (C) 2003-2004 Dennis Noermann <dennis.noermann@noernet.de> |
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| 6 | |
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| 7 | */ |
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| 8 | |
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| 9 | #ifndef STV0297_H |
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| 10 | #define STV0297_H |
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| 11 | |
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| 12 | #include <linux/dvb/frontend.h> |
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| 13 | #include <media/dvb_frontend.h> |
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| 14 | |
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| 15 | struct stv0297_config |
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| 16 | { |
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| 17 | /* the demodulator's i2c address */ |
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| 18 | u8 demod_address; |
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| 19 | |
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| 20 | /* inittab - array of pairs of values. |
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| 21 | * First of each pair is the register, second is the value. |
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| 22 | * List should be terminated with an 0xff, 0xff pair. |
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| 23 | */ |
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| 24 | u8* inittab; |
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| 25 | |
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| 26 | /* does the "inversion" need inverted? */ |
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| 27 | u8 invert:1; |
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| 28 | |
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| 29 | /* set to 1 if the device requires an i2c STOP during reading */ |
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| 30 | u8 stop_during_read:1; |
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| 31 | }; |
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| 32 | |
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| 33 | #if IS_REACHABLE(CONFIG_DVB_STV0297) |
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| 34 | extern struct dvb_frontend* stv0297_attach(const struct stv0297_config* config, |
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| 35 | struct i2c_adapter* i2c); |
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| 36 | #else |
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| 37 | static inline struct dvb_frontend* stv0297_attach(const struct stv0297_config* config, |
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| 38 | struct i2c_adapter* i2c) |
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| 39 | { |
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| 40 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
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| 41 | return NULL; |
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| 42 | } |
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| 43 | #endif // CONFIG_DVB_STV0297 |
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| 44 | |
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| 45 | #endif // STV0297_H |
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| 46 | |
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