mirror of https://gitee.com/openkylin/linux.git
46 lines
885 B
C
46 lines
885 B
C
/* 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 <crope@iki.fi>
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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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