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45 lines
885 B
45 lines
885 B
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* Elonics R820T silicon tuner driver |
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* |
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* Copyright (C) 2012 Antti Palosaari <[email protected]> |
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*/ |
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#ifndef R820T_H |
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#define R820T_H |
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#include <media/dvb_frontend.h> |
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enum r820t_chip { |
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CHIP_R820T, |
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CHIP_R620D, |
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CHIP_R828D, |
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CHIP_R828, |
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CHIP_R828S, |
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CHIP_R820C, |
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}; |
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struct r820t_config { |
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u8 i2c_addr; /* 0x34 */ |
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u32 xtal; |
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enum r820t_chip rafael_chip; |
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unsigned max_i2c_msg_len; |
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bool use_diplexer; |
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bool use_predetect; |
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}; |
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#if IS_REACHABLE(CONFIG_MEDIA_TUNER_R820T) |
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struct dvb_frontend *r820t_attach(struct dvb_frontend *fe, |
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struct i2c_adapter *i2c, |
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const struct r820t_config *cfg); |
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#else |
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static inline struct dvb_frontend *r820t_attach(struct dvb_frontend *fe, |
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struct i2c_adapter *i2c, |
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const struct r820t_config *cfg) |
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{ |
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pr_warn("%s: driver disabled by Kconfig\n", __func__); |
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return NULL; |
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} |
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#endif |
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#endif
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