|  | /* SPDX-License-Identifier: GPL-2.0-or-later */ | 
|  | /* | 
|  | * Driver for Silicon Labs SI2165 DVB-C/-T Demodulator | 
|  | * | 
|  | * Copyright (C) 2013-2017 Matthias Schwarzott <zzam@gentoo.org> | 
|  | * | 
|  | * References: | 
|  | *   https://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf | 
|  | */ | 
|  |  | 
|  | #ifndef _DVB_SI2165_H | 
|  | #define _DVB_SI2165_H | 
|  |  | 
|  | #include <linux/dvb/frontend.h> | 
|  |  | 
|  | enum { | 
|  | SI2165_MODE_OFF = 0x00, | 
|  | SI2165_MODE_PLL_EXT = 0x20, | 
|  | SI2165_MODE_PLL_XTAL = 0x21 | 
|  | }; | 
|  |  | 
|  | /* I2C addresses | 
|  | * possible values: 0x64,0x65,0x66,0x67 | 
|  | */ | 
|  | struct si2165_platform_data { | 
|  | /* | 
|  | * frontend | 
|  | * returned by driver | 
|  | */ | 
|  | struct dvb_frontend **fe; | 
|  |  | 
|  | /* external clock or XTAL */ | 
|  | u8 chip_mode; | 
|  |  | 
|  | /* frequency of external clock or xtal in Hz | 
|  | * possible values: 4000000, 16000000, 20000000, 240000000, 27000000 | 
|  | */ | 
|  | u32 ref_freq_hz; | 
|  |  | 
|  | /* invert the spectrum */ | 
|  | bool inversion; | 
|  | }; | 
|  |  | 
|  | #endif /* _DVB_SI2165_H */ |