projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 3e54a169 MS |
1 | /* |
| 2 | Driver for Silicon Labs SI2165 DVB-C/-T Demodulator | |
| 3 | ||
| 4 | Copyright (C) 2013-2014 Matthias Schwarzott <zzam@gentoo.org> | |
| 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 | References: | |
| 17 | http://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf | |
| 18 | */ | |
| 19 | ||
| 20 | #ifndef _DVB_SI2165_H | |
| 21 | #define _DVB_SI2165_H | |
| 22 | ||
| 23 | #include <linux/dvb/frontend.h> | |
| 24 | ||
| 3e54a169 MS |
25 | enum { |
| 26 | SI2165_MODE_OFF = 0x00, | |
| 27 | SI2165_MODE_PLL_EXT = 0x20, | |
| 28 | SI2165_MODE_PLL_XTAL = 0x21 | |
| 29 | }; | |
| 30 | ||
| 31 | struct si2165_config { | |
| 32 | /* i2c addr | |
| 33 | * possible values: 0x64,0x65,0x66,0x67 */ | |
| 34 | u8 i2c_addr; | |
| 35 | ||
| 36 | /* external clock or XTAL */ | |
| 37 | u8 chip_mode; | |
| 38 | ||
| 39 | /* frequency of external clock or xtal in Hz | |
| 40 | * possible values: 4000000, 16000000, 20000000, 240000000, 27000000 | |
| 41 | */ | |
| 42 | u32 ref_freq_Hz; | |
| 43 | ||
| 44 | /* invert the spectrum */ | |
| 45 | bool inversion; | |
| 46 | }; | |
| 47 | ||
| 00c78a37 | 48 | #if IS_REACHABLE(CONFIG_DVB_SI2165) |
| 3e54a169 MS |
49 | struct dvb_frontend *si2165_attach( |
| 50 | const struct si2165_config *config, | |
| 51 | struct i2c_adapter *i2c); | |
| 52 | #else | |
| 53 | static inline struct dvb_frontend *si2165_attach( | |
| 54 | const struct si2165_config *config, | |
| 55 | struct i2c_adapter *i2c) | |
| 56 | { | |
| 57 | pr_warn("%s: driver disabled by Kconfig\n", __func__); | |
| 58 | return NULL; | |
| 59 | } | |
| 60 | #endif /* CONFIG_DVB_SI2165 */ | |
| 61 | ||
| 62 | #endif /* _DVB_SI2165_H */ |