| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * Driver for Microtune MT2131 "QAM/8VSB single chip tuner" |
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| 4 | * |
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| 5 | * Copyright (c) 2006 Steven Toth <stoth@linuxtv.org> |
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| 6 | */ |
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| 7 | |
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| 8 | #ifndef __MT2131_H__ |
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| 9 | #define __MT2131_H__ |
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| 10 | |
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| 11 | struct dvb_frontend; |
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| 12 | struct i2c_adapter; |
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| 13 | |
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| 14 | struct mt2131_config { |
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| 15 | u8 i2c_address; |
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| 16 | u8 clock_out; /* 0 = off, 1 = CLK/4, 2 = CLK/2, 3 = CLK/1 */ |
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| 17 | }; |
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| 18 | |
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| 19 | #if IS_REACHABLE(CONFIG_MEDIA_TUNER_MT2131) |
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| 20 | extern struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe, |
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| 21 | struct i2c_adapter *i2c, |
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| 22 | struct mt2131_config *cfg, |
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| 23 | u16 if1); |
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| 24 | #else |
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| 25 | static inline struct dvb_frontend* mt2131_attach(struct dvb_frontend *fe, |
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| 26 | struct i2c_adapter *i2c, |
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| 27 | struct mt2131_config *cfg, |
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| 28 | u16 if1) |
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| 29 | { |
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| 30 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
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| 31 | return NULL; |
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| 32 | } |
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| 33 | #endif /* CONFIG_MEDIA_TUNER_MT2131 */ |
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| 34 | |
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| 35 | #endif /* __MT2131_H__ */ |
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| 36 | |
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