83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
|
/*
|
|
* Support for LG Electronics LGDT3304 and LGDT3305 - VSB/QAM
|
|
*
|
|
* Copyright (C) 2008, 2009, 2010 Michael Krufky <mkrufky@linuxtv.org>
|
|
*/
|
|
|
|
#ifndef _LGDT3305_H_
|
|
#define _LGDT3305_H_
|
|
|
|
#include <linux/i2c.h>
|
|
#include <media/dvb_frontend.h>
|
|
|
|
|
|
enum lgdt3305_mpeg_mode {
|
|
LGDT3305_MPEG_PARALLEL = 0,
|
|
LGDT3305_MPEG_SERIAL = 1,
|
|
};
|
|
|
|
enum lgdt3305_tp_clock_edge {
|
|
LGDT3305_TPCLK_RISING_EDGE = 0,
|
|
LGDT3305_TPCLK_FALLING_EDGE = 1,
|
|
};
|
|
|
|
enum lgdt3305_tp_clock_mode {
|
|
LGDT3305_TPCLK_GATED = 0,
|
|
LGDT3305_TPCLK_FIXED = 1,
|
|
};
|
|
|
|
enum lgdt3305_tp_valid_polarity {
|
|
LGDT3305_TP_VALID_LOW = 0,
|
|
LGDT3305_TP_VALID_HIGH = 1,
|
|
};
|
|
|
|
enum lgdt_demod_chip_type {
|
|
LGDT3305 = 0,
|
|
LGDT3304 = 1,
|
|
};
|
|
|
|
struct lgdt3305_config {
|
|
u8 i2c_addr;
|
|
|
|
/* user defined IF frequency in KHz */
|
|
u16 qam_if_khz;
|
|
u16 vsb_if_khz;
|
|
|
|
/* AGC Power reference - defaults are used if left unset */
|
|
u16 usref_8vsb; /* default: 0x32c4 */
|
|
u16 usref_qam64; /* default: 0x5400 */
|
|
u16 usref_qam256; /* default: 0x2a80 */
|
|
|
|
/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
|
|
unsigned int deny_i2c_rptr:1;
|
|
|
|
/* spectral inversion - 0:disabled 1:enabled */
|
|
unsigned int spectral_inversion:1;
|
|
|
|
/* use RF AGC loop - 0:disabled 1:enabled */
|
|
unsigned int rf_agc_loop:1;
|
|
|
|
enum lgdt3305_mpeg_mode mpeg_mode;
|
|
enum lgdt3305_tp_clock_edge tpclk_edge;
|
|
enum lgdt3305_tp_clock_mode tpclk_mode;
|
|
enum lgdt3305_tp_valid_polarity tpvalid_polarity;
|
|
enum lgdt_demod_chip_type demod_chip;
|
|
};
|
|
|
|
#if IS_REACHABLE(CONFIG_DVB_LGDT3305)
|
|
extern
|
|
struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
|
|
struct i2c_adapter *i2c_adap);
|
|
#else
|
|
static inline
|
|
struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config,
|
|
struct i2c_adapter *i2c_adap)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
#endif /* CONFIG_DVB_LGDT3305 */
|
|
|
|
#endif /* _LGDT3305_H_ */
|