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