| Antti Palosaari | c0adca7 | 2011-07-08 23:34:09 -0300 | [diff] [blame] | 1 | /* |
| 2 | * Realtek RTL2830 DVB-T demodulator driver |
| 3 | * |
| 4 | * Copyright (C) 2011 Antti Palosaari <crope@iki.fi> |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License as published by |
| 8 | * the Free Software Foundation; either version 2 of the License, or |
| 9 | * (at your option) any later version. |
| 10 | * |
| 11 | * This program is distributed in the hope that it will be useful, |
| 12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | * GNU General Public License for more details. |
| 15 | * |
| 16 | * You should have received a copy of the GNU General Public License along |
| 17 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 18 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| 19 | */ |
| 20 | |
| 21 | #ifndef RTL2830_H |
| 22 | #define RTL2830_H |
| 23 | |
| 24 | #include <linux/dvb/frontend.h> |
| 25 | |
| 26 | struct rtl2830_config { |
| 27 | /* |
| 28 | * Demodulator I2C address. |
| 29 | */ |
| 30 | u8 i2c_addr; |
| 31 | |
| 32 | /* |
| 33 | * Xtal frequency. |
| 34 | * Hz |
| 35 | * 4000000, 16000000, 25000000, 28800000 |
| 36 | */ |
| 37 | u32 xtal; |
| 38 | |
| 39 | /* |
| 40 | * TS output mode. |
| 41 | */ |
| 42 | u8 ts_mode; |
| 43 | |
| 44 | /* |
| 45 | * Spectrum inversion. |
| 46 | */ |
| 47 | bool spec_inv; |
| 48 | |
| 49 | /* |
| 50 | * IFs for all used modes. |
| 51 | * Hz |
| 52 | * 4570000, 4571429, 36000000, 36125000, 36166667, 44000000 |
| 53 | */ |
| 54 | u32 if_dvbt; |
| 55 | |
| 56 | /* |
| 57 | */ |
| 58 | u8 vtop; |
| 59 | |
| 60 | /* |
| 61 | */ |
| 62 | u8 krf; |
| 63 | |
| 64 | /* |
| 65 | */ |
| 66 | u8 agc_targ_val; |
| 67 | }; |
| 68 | |
| 69 | #if defined(CONFIG_DVB_RTL2830) || \ |
| 70 | (defined(CONFIG_DVB_RTL2830_MODULE) && defined(MODULE)) |
| 71 | extern struct dvb_frontend *rtl2830_attach( |
| 72 | const struct rtl2830_config *config, |
| 73 | struct i2c_adapter *i2c |
| 74 | ); |
| 75 | |
| 76 | extern struct i2c_adapter *rtl2830_get_tuner_i2c_adapter( |
| 77 | struct dvb_frontend *fe |
| 78 | ); |
| 79 | #else |
| 80 | static inline struct dvb_frontend *rtl2830_attach( |
| 81 | const struct rtl2830_config *config, |
| 82 | struct i2c_adapter *i2c |
| 83 | ) |
| 84 | { |
| 85 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 86 | return NULL; |
| 87 | } |
| 88 | |
| 89 | static inline struct i2c_adapter *rtl2830_get_tuner_i2c_adapter( |
| 90 | struct dvb_frontend *fe |
| 91 | ) |
| 92 | { |
| 93 | return NULL; |
| 94 | } |
| 95 | #endif |
| 96 | |
| 97 | #endif /* RTL2830_H */ |