projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| f15da16d | 1 | /* |
| b80dc1c6 DW |
2 | * Support for Legend Silicon GB20600 (a.k.a DMB-TH) demodulator |
| 3 | * LGS8913, LGS8GL5, LGS8G75 | |
| f15da16d DW |
4 | * experimental support LGS8G42, LGS8G52 |
| 5 | * | |
| b80dc1c6 | 6 | * Copyright (C) 2007-2009 David T.L. Wong <[email protected]> |
| f15da16d DW |
7 | * Copyright (C) 2008 Sirius International (Hong Kong) Limited |
| 8 | * Timothy Lee <[email protected]> (for initial work on LGS8GL5) | |
| 9 | * | |
| 10 | * This program is free software; you can redistribute it and/or modify | |
| 11 | * it under the terms of the GNU General Public License as published by | |
| 12 | * the Free Software Foundation; either version 2 of the License, or | |
| 13 | * (at your option) any later version. | |
| 14 | * | |
| 15 | * This program is distributed in the hope that it will be useful, | |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 18 | * GNU General Public License for more details. | |
| 19 | * | |
| 20 | * You should have received a copy of the GNU General Public License | |
| 21 | * along with this program; if not, write to the Free Software | |
| 22 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 23 | * | |
| 24 | */ | |
| 25 | ||
| 26 | #ifndef __LGS8GXX_H__ | |
| 27 | #define __LGS8GXX_H__ | |
| 28 | ||
| 782d8b74 | 29 | #include <linux/kconfig.h> |
| f15da16d DW |
30 | #include <linux/dvb/frontend.h> |
| 31 | #include <linux/i2c.h> | |
| 32 | ||
| 33 | #define LGS8GXX_PROD_LGS8913 0 | |
| 34 | #define LGS8GXX_PROD_LGS8GL5 1 | |
| 35 | #define LGS8GXX_PROD_LGS8G42 3 | |
| 36 | #define LGS8GXX_PROD_LGS8G52 4 | |
| 37 | #define LGS8GXX_PROD_LGS8G54 5 | |
| b80dc1c6 | 38 | #define LGS8GXX_PROD_LGS8G75 6 |
| f15da16d DW |
39 | |
| 40 | struct lgs8gxx_config { | |
| 41 | ||
| 42 | /* product type */ | |
| 43 | u8 prod; | |
| 44 | ||
| 45 | /* the demodulator's i2c address */ | |
| 46 | u8 demod_address; | |
| 47 | ||
| 48 | /* parallel or serial transport stream */ | |
| 49 | u8 serial_ts; | |
| 50 | ||
| 51 | /* transport stream polarity*/ | |
| 52 | u8 ts_clk_pol; | |
| 53 | ||
| 54 | /* transport stream clock gated by ts_valid */ | |
| 55 | u8 ts_clk_gated; | |
| 56 | ||
| 57 | /* A/D Clock frequency */ | |
| 58 | u32 if_clk_freq; /* in kHz */ | |
| 59 | ||
| 60 | /* IF frequency */ | |
| 61 | u32 if_freq; /* in kHz */ | |
| 62 | ||
| 63 | /*Use External ADC*/ | |
| 64 | u8 ext_adc; | |
| 65 | ||
| 66 | /*External ADC output two's complement*/ | |
| 67 | u8 adc_signed; | |
| 68 | ||
| 69 | /*Sample IF data at falling edge of IF_CLK*/ | |
| 70 | u8 if_neg_edge; | |
| 71 | ||
| 72 | /*IF use Negative center frequency*/ | |
| 73 | u8 if_neg_center; | |
| 74 | ||
| b80dc1c6 DW |
75 | /*8G75 internal ADC input range selection*/ |
| 76 | /*0: 0.8Vpp, 1: 1.0Vpp, 2: 1.6Vpp, 3: 2.0Vpp*/ | |
| 77 | u8 adc_vpp; | |
| 78 | ||
| f15da16d DW |
79 | /* slave address and configuration of the tuner */ |
| 80 | u8 tuner_address; | |
| 81 | }; | |
| 82 | ||
| 9b174527 | 83 | #if IS_REACHABLE(CONFIG_DVB_LGS8GXX) |
| f15da16d DW |
84 | extern struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config, |
| 85 | struct i2c_adapter *i2c); | |
| 86 | #else | |
| 87 | static inline | |
| 88 | struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config, | |
| 89 | struct i2c_adapter *i2c) { | |
| 90 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| 91 | return NULL; | |
| 92 | } | |
| 93 | #endif /* CONFIG_DVB_LGS8GXX */ | |
| 94 | ||
| 95 | #endif /* __LGS8GXX_H__ */ |