| David Wong | f15da16 | 2009-04-01 04:35:10 -0300 | [diff] [blame] | 1 | /* |
| David Wong | b80dc1c | 2009-06-17 01:38:10 -0300 | [diff] [blame] | 2 | * Support for Legend Silicon GB20600 (a.k.a DMB-TH) demodulator |
| 3 | * LGS8913, LGS8GL5, LGS8G75 |
| David Wong | f15da16 | 2009-04-01 04:35:10 -0300 | [diff] [blame] | 4 | * experimental support LGS8G42, LGS8G52 |
| 5 | * |
| David Wong | b80dc1c | 2009-06-17 01:38:10 -0300 | [diff] [blame] | 6 | * Copyright (C) 2007-2009 David T.L. Wong <davidtlwong@gmail.com> |
| David Wong | f15da16 | 2009-04-01 04:35:10 -0300 | [diff] [blame] | 7 | * Copyright (C) 2008 Sirius International (Hong Kong) Limited |
| 8 | * Timothy Lee <timothy.lee@siriushk.com> (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 | |
| 29 | #include <linux/dvb/frontend.h> |
| 30 | #include <linux/i2c.h> |
| 31 | |
| 32 | #define LGS8GXX_PROD_LGS8913 0 |
| 33 | #define LGS8GXX_PROD_LGS8GL5 1 |
| 34 | #define LGS8GXX_PROD_LGS8G42 3 |
| 35 | #define LGS8GXX_PROD_LGS8G52 4 |
| 36 | #define LGS8GXX_PROD_LGS8G54 5 |
| David Wong | b80dc1c | 2009-06-17 01:38:10 -0300 | [diff] [blame] | 37 | #define LGS8GXX_PROD_LGS8G75 6 |
| David Wong | f15da16 | 2009-04-01 04:35:10 -0300 | [diff] [blame] | 38 | |
| 39 | struct lgs8gxx_config { |
| 40 | |
| 41 | /* product type */ |
| 42 | u8 prod; |
| 43 | |
| 44 | /* the demodulator's i2c address */ |
| 45 | u8 demod_address; |
| 46 | |
| 47 | /* parallel or serial transport stream */ |
| 48 | u8 serial_ts; |
| 49 | |
| 50 | /* transport stream polarity*/ |
| 51 | u8 ts_clk_pol; |
| 52 | |
| 53 | /* transport stream clock gated by ts_valid */ |
| 54 | u8 ts_clk_gated; |
| 55 | |
| 56 | /* A/D Clock frequency */ |
| 57 | u32 if_clk_freq; /* in kHz */ |
| 58 | |
| 59 | /* IF frequency */ |
| 60 | u32 if_freq; /* in kHz */ |
| 61 | |
| 62 | /*Use External ADC*/ |
| 63 | u8 ext_adc; |
| 64 | |
| 65 | /*External ADC output two's complement*/ |
| 66 | u8 adc_signed; |
| 67 | |
| 68 | /*Sample IF data at falling edge of IF_CLK*/ |
| 69 | u8 if_neg_edge; |
| 70 | |
| 71 | /*IF use Negative center frequency*/ |
| 72 | u8 if_neg_center; |
| 73 | |
| David Wong | b80dc1c | 2009-06-17 01:38:10 -0300 | [diff] [blame] | 74 | /*8G75 internal ADC input range selection*/ |
| 75 | /*0: 0.8Vpp, 1: 1.0Vpp, 2: 1.6Vpp, 3: 2.0Vpp*/ |
| 76 | u8 adc_vpp; |
| 77 | |
| David Wong | f15da16 | 2009-04-01 04:35:10 -0300 | [diff] [blame] | 78 | /* slave address and configuration of the tuner */ |
| 79 | u8 tuner_address; |
| 80 | }; |
| 81 | |
| 82 | #if defined(CONFIG_DVB_LGS8GXX) || \ |
| 83 | (defined(CONFIG_DVB_LGS8GXX_MODULE) && defined(MODULE)) |
| 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__ */ |