linux/drivers/media/dvb-frontends/rtl2832.h
Antti Palosaari fe37b38bbb [media] rtl2832: implement option to bypass slave demod TS
Implement partial PIP mode to carry TS from slave demodulator,
through that master demodulator. RTL2832 demod has TS input
interface to connected another demodulator TS output.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
2014-11-21 16:03:39 -02:00

107 lines
2.3 KiB
C

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