lgdt330x.h
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/*
* Support for LGDT3302 and LGDT3303 - VSB/QAM
*
* Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef LGDT330X_H
#define LGDT330X_H
#include <linux/dvb/frontend.h>
typedef enum lg_chip_t {
UNDEFINED,
LGDT3302,
LGDT3303
}lg_chip_type;
struct lgdt330x_config
{
/* The demodulator's i2c address */
u8 demod_address;
/* LG demodulator chip LGDT3302 or LGDT3303 */
lg_chip_type demod_chip;
/* MPEG hardware interface - 0:parallel 1:serial */
int serial_mpeg;
/* PLL interface */
int (*pll_rf_set) (struct dvb_frontend* fe, int index);
/* Need to set device param for start_dma */
int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
/* Flip the polarity of the mpeg data transfer clock using alternate init data
* This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */
int clock_polarity_flip;
};
#if IS_ENABLED(CONFIG_DVB_LGDT330X)
extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
struct i2c_adapter* i2c);
#else
static inline struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
struct i2c_adapter* i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif // CONFIG_DVB_LGDT330X
#endif /* LGDT330X_H */
/*
* Local variables:
* c-basic-offset: 8
* End:
*/