81 lines
2.2 KiB
C
81 lines
2.2 KiB
C
|
/*
|
||
|
|
* Support for LGDT3306A - 8VSB/QAM-B
|
||
|
|
*
|
||
|
|
* Copyright (C) 2013,2014 Fred Richter <frichter@hauppauge.com>
|
||
|
|
* based on lgdt3305.[ch] by Michael Krufky
|
||
|
|
*
|
||
|
|
* 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 _LGDT3306A_H_
|
||
|
|
#define _LGDT3306A_H_
|
||
|
|
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include "dvb_frontend.h"
|
||
|
|
|
||
|
|
|
||
|
|
enum lgdt3306a_mpeg_mode {
|
||
|
|
LGDT3306A_MPEG_PARALLEL = 0,
|
||
|
|
LGDT3306A_MPEG_SERIAL = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
enum lgdt3306a_tp_clock_edge {
|
||
|
|
LGDT3306A_TPCLK_RISING_EDGE = 0,
|
||
|
|
LGDT3306A_TPCLK_FALLING_EDGE = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
enum lgdt3306a_tp_valid_polarity {
|
||
|
|
LGDT3306A_TP_VALID_LOW = 0,
|
||
|
|
LGDT3306A_TP_VALID_HIGH = 1,
|
||
|
|
};
|
||
|
|
|
||
|
|
struct lgdt3306a_config {
|
||
|
|
u8 i2c_addr;
|
||
|
|
|
||
|
|
/* user defined IF frequency in KHz */
|
||
|
|
u16 qam_if_khz;
|
||
|
|
u16 vsb_if_khz;
|
||
|
|
|
||
|
|
/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
|
||
|
|
int deny_i2c_rptr:1;
|
||
|
|
|
||
|
|
/* spectral inversion - 0:disabled 1:enabled */
|
||
|
|
int spectral_inversion:1;
|
||
|
|
|
||
|
|
enum lgdt3306a_mpeg_mode mpeg_mode;
|
||
|
|
enum lgdt3306a_tp_clock_edge tpclk_edge;
|
||
|
|
enum lgdt3306a_tp_valid_polarity tpvalid_polarity;
|
||
|
|
|
||
|
|
int xtalMHz;//demod clock freq in MHz; 24 or 25 supported
|
||
|
|
};
|
||
|
|
|
||
|
|
#if defined(CONFIG_DVB_LGDT3306A) || (defined(CONFIG_DVB_LGDT3306A_MODULE) && \
|
||
|
|
defined(MODULE))
|
||
|
|
extern
|
||
|
|
struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
|
||
|
|
struct i2c_adapter *i2c_adap);
|
||
|
|
#else
|
||
|
|
static inline
|
||
|
|
struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config,
|
||
|
|
struct i2c_adapter *i2c_adap)
|
||
|
|
{
|
||
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
#endif /* CONFIG_DVB_LGDT3306A */
|
||
|
|
|
||
|
|
#endif /* _LGDT3306A_H_ */
|