| /* | |
| * 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) | |
| * | |
| * 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 __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__ */ |