59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
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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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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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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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