107 lines
2.3 KiB
C
107 lines
2.3 KiB
C
/*
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* Realtek RTL2832 DVB-T demodulator driver
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*
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* Copyright (C) 2012 Thomas Mair <thomas.mair86@gmail.com>
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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 RTL2832_H
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#define RTL2832_H
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#include <linux/kconfig.h>
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#include <linux/dvb/frontend.h>
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struct rtl2832_config {
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/*
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* Demodulator I2C address.
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*/
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u8 i2c_addr;
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/*
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* Xtal frequency.
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* Hz
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* 4000000, 16000000, 25000000, 28800000
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*/
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u32 xtal;
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/*
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* tuner
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* XXX: This must be keep sync with dvb_usb_rtl28xxu demod driver.
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*/
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#define RTL2832_TUNER_TUA9001 0x24
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#define RTL2832_TUNER_FC0012 0x26
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#define RTL2832_TUNER_E4000 0x27
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#define RTL2832_TUNER_FC0013 0x29
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#define RTL2832_TUNER_R820T 0x2a
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#define RTL2832_TUNER_R828D 0x2b
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u8 tuner;
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};
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#if IS_ENABLED(CONFIG_DVB_RTL2832)
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struct dvb_frontend *rtl2832_attach(
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const struct rtl2832_config *cfg,
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struct i2c_adapter *i2c
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);
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extern struct i2c_adapter *rtl2832_get_i2c_adapter(
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struct dvb_frontend *fe
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);
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extern struct i2c_adapter *rtl2832_get_private_i2c_adapter(
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struct dvb_frontend *fe
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);
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extern int rtl2832_enable_external_ts_if(
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struct dvb_frontend *fe
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);
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#else
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static inline struct dvb_frontend *rtl2832_attach(
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const struct rtl2832_config *config,
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struct i2c_adapter *i2c
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)
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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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static inline struct i2c_adapter *rtl2832_get_i2c_adapter(
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struct dvb_frontend *fe
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)
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{
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return NULL;
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}
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static inline struct i2c_adapter *rtl2832_get_private_i2c_adapter(
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struct dvb_frontend *fe
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)
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{
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return NULL;
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}
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static inline int rtl2832_enable_external_ts_if(
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struct dvb_frontend *fe
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)
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{
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return -ENODEV;
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}
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#endif
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#endif /* RTL2832_H */
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