| 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 | |
| Mauro Carvalho Chehab | 782d8b7 | 2013-03-21 16:11:54 -0300 | [diff] [blame] | 24 | #include <linux/kconfig.h> |
| Antti Palosaari | c0adca7 | 2011-07-08 23:34:09 -0300 | [diff] [blame] | 25 | #include <linux/dvb/frontend.h> |
| 26 | |
| Antti Palosaari | 28c0879 | 2014-12-07 04:07:29 -0300 | [diff] [blame^] | 27 | struct rtl2830_platform_data { |
| 28 | /* |
| 29 | * Clock frequency. |
| 30 | * Hz |
| 31 | * 4000000, 16000000, 25000000, 28800000 |
| 32 | */ |
| 33 | u32 clk; |
| 34 | |
| 35 | /* |
| 36 | * Spectrum inversion. |
| 37 | */ |
| 38 | bool spec_inv; |
| 39 | |
| 40 | /* |
| 41 | */ |
| 42 | u8 vtop; |
| 43 | |
| 44 | /* |
| 45 | */ |
| 46 | u8 krf; |
| 47 | |
| 48 | /* |
| 49 | */ |
| 50 | u8 agc_targ_val; |
| 51 | |
| 52 | /* |
| 53 | */ |
| 54 | struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *); |
| 55 | struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *); |
| 56 | }; |
| 57 | |
| Antti Palosaari | c0adca7 | 2011-07-08 23:34:09 -0300 | [diff] [blame] | 58 | struct rtl2830_config { |
| 59 | /* |
| 60 | * Demodulator I2C address. |
| 61 | */ |
| 62 | u8 i2c_addr; |
| 63 | |
| 64 | /* |
| 65 | * Xtal frequency. |
| 66 | * Hz |
| 67 | * 4000000, 16000000, 25000000, 28800000 |
| 68 | */ |
| 69 | u32 xtal; |
| 70 | |
| 71 | /* |
| 72 | * TS output mode. |
| 73 | */ |
| 74 | u8 ts_mode; |
| 75 | |
| 76 | /* |
| 77 | * Spectrum inversion. |
| 78 | */ |
| 79 | bool spec_inv; |
| 80 | |
| 81 | /* |
| Antti Palosaari | c0adca7 | 2011-07-08 23:34:09 -0300 | [diff] [blame] | 82 | */ |
| 83 | u8 vtop; |
| 84 | |
| 85 | /* |
| 86 | */ |
| 87 | u8 krf; |
| 88 | |
| 89 | /* |
| 90 | */ |
| 91 | u8 agc_targ_val; |
| 92 | }; |
| 93 | |
| Mauro Carvalho Chehab | 782d8b7 | 2013-03-21 16:11:54 -0300 | [diff] [blame] | 94 | #if IS_ENABLED(CONFIG_DVB_RTL2830) |
| Antti Palosaari | c0adca7 | 2011-07-08 23:34:09 -0300 | [diff] [blame] | 95 | extern struct dvb_frontend *rtl2830_attach( |
| 96 | const struct rtl2830_config *config, |
| 97 | struct i2c_adapter *i2c |
| 98 | ); |
| 99 | |
| 100 | extern struct i2c_adapter *rtl2830_get_tuner_i2c_adapter( |
| 101 | struct dvb_frontend *fe |
| 102 | ); |
| 103 | #else |
| 104 | static inline struct dvb_frontend *rtl2830_attach( |
| 105 | const struct rtl2830_config *config, |
| 106 | struct i2c_adapter *i2c |
| 107 | ) |
| 108 | { |
| Antti Palosaari | 86ad0f1 | 2012-09-12 20:23:47 -0300 | [diff] [blame] | 109 | pr_warn("%s: driver disabled by Kconfig\n", __func__); |
| Antti Palosaari | c0adca7 | 2011-07-08 23:34:09 -0300 | [diff] [blame] | 110 | return NULL; |
| 111 | } |
| 112 | |
| 113 | static inline struct i2c_adapter *rtl2830_get_tuner_i2c_adapter( |
| 114 | struct dvb_frontend *fe |
| 115 | ) |
| 116 | { |
| 117 | return NULL; |
| 118 | } |
| 119 | #endif |
| 120 | |
| 121 | #endif /* RTL2830_H */ |