/* SPDX-License-Identifier: GPL-2.0-or-later */
|
/*
|
* Support for Legend Silicon GB20600 (a.k.a DMB-TH) demodulator
|
* LGS8913, LGS8GL5, LGS8G75
|
* experimental support LGS8G42, LGS8G52
|
*
|
* Copyright (C) 2007-2009 David T.L. Wong <davidtlwong@gmail.com>
|
* Copyright (C) 2008 Sirius International (Hong Kong) Limited
|
* Timothy Lee <timothy.lee@siriushk.com> (for initial work on LGS8GL5)
|
*/
|
|
#ifndef __LGS8GXX_H__
|
#define __LGS8GXX_H__
|
|
#include <linux/dvb/frontend.h>
|
#include <linux/i2c.h>
|
|
#define LGS8GXX_PROD_LGS8913 0
|
#define LGS8GXX_PROD_LGS8GL5 1
|
#define LGS8GXX_PROD_LGS8G42 3
|
#define LGS8GXX_PROD_LGS8G52 4
|
#define LGS8GXX_PROD_LGS8G54 5
|
#define LGS8GXX_PROD_LGS8G75 6
|
|
struct lgs8gxx_config {
|
|
/* product type */
|
u8 prod;
|
|
/* the demodulator's i2c address */
|
u8 demod_address;
|
|
/* parallel or serial transport stream */
|
u8 serial_ts;
|
|
/* transport stream polarity*/
|
u8 ts_clk_pol;
|
|
/* transport stream clock gated by ts_valid */
|
u8 ts_clk_gated;
|
|
/* A/D Clock frequency */
|
u32 if_clk_freq; /* in kHz */
|
|
/* IF frequency */
|
u32 if_freq; /* in kHz */
|
|
/*Use External ADC*/
|
u8 ext_adc;
|
|
/*External ADC output two's complement*/
|
u8 adc_signed;
|
|
/*Sample IF data at falling edge of IF_CLK*/
|
u8 if_neg_edge;
|
|
/*IF use Negative center frequency*/
|
u8 if_neg_center;
|
|
/*8G75 internal ADC input range selection*/
|
/*0: 0.8Vpp, 1: 1.0Vpp, 2: 1.6Vpp, 3: 2.0Vpp*/
|
u8 adc_vpp;
|
|
/* slave address and configuration of the tuner */
|
u8 tuner_address;
|
};
|
|
#if IS_REACHABLE(CONFIG_DVB_LGS8GXX)
|
extern struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config,
|
struct i2c_adapter *i2c);
|
#else
|
static inline
|
struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config,
|
struct i2c_adapter *i2c) {
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
return NULL;
|
}
|
#endif /* CONFIG_DVB_LGS8GXX */
|
|
#endif /* __LGS8GXX_H__ */
|
