68 строки
2.0 KiB
C
68 строки
2.0 KiB
C
/*
|
|
* 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 */
|