6b13f685e
 김민수
BSP 최초 추가
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/*
* Realtek RTL2830 DVB-T demodulator driver
*
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef RTL2830_H
#define RTL2830_H
#include <linux/kconfig.h>
#include <linux/dvb/frontend.h>
struct rtl2830_config {
/*
* Demodulator I2C address.
*/
u8 i2c_addr;
/*
* Xtal frequency.
* Hz
* 4000000, 16000000, 25000000, 28800000
*/
u32 xtal;
/*
* TS output mode.
*/
u8 ts_mode;
/*
* Spectrum inversion.
*/
bool spec_inv;
/*
*/
u8 vtop;
/*
*/
u8 krf;
/*
*/
u8 agc_targ_val;
};
#if IS_ENABLED(CONFIG_DVB_RTL2830)
extern struct dvb_frontend *rtl2830_attach(
const struct rtl2830_config *config,
struct i2c_adapter *i2c
);
extern struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(
struct dvb_frontend *fe
);
#else
static inline struct dvb_frontend *rtl2830_attach(
const struct rtl2830_config *config,
struct i2c_adapter *i2c
)
{
pr_warn("%s: driver disabled by Kconfig
", __func__);
return NULL;
}
static inline struct i2c_adapter *rtl2830_get_tuner_i2c_adapter(
struct dvb_frontend *fe
)
{
return NULL;
}
#endif
#endif /* RTL2830_H */
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