| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * Driver for Silicon Labs SI2165 DVB-C/-T Demodulator |
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| 4 | * |
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| 5 | * Copyright (C) 2013-2017 Matthias Schwarzott <zzam@gentoo.org> |
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| 6 | * |
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| 7 | * References: |
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| 8 | * https://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf |
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| 9 | */ |
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| 10 | |
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| 11 | #ifndef _DVB_SI2165_H |
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| 12 | #define _DVB_SI2165_H |
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| 13 | |
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| 14 | #include <linux/dvb/frontend.h> |
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| 15 | |
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| 16 | enum { |
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| 17 | SI2165_MODE_OFF = 0x00, |
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| 18 | SI2165_MODE_PLL_EXT = 0x20, |
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| 19 | SI2165_MODE_PLL_XTAL = 0x21 |
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| 20 | }; |
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| 21 | |
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| 22 | /* I2C addresses |
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| 23 | * possible values: 0x64,0x65,0x66,0x67 |
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| 24 | */ |
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| 25 | struct si2165_platform_data { |
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| 26 | /* |
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| 27 | * frontend |
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| 28 | * returned by driver |
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| 29 | */ |
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| 30 | struct dvb_frontend **fe; |
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| 31 | |
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| 32 | /* external clock or XTAL */ |
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| 33 | u8 chip_mode; |
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| 34 | |
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| 35 | /* frequency of external clock or xtal in Hz |
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| 36 | * possible values: 4000000, 16000000, 20000000, 240000000, 27000000 |
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| 37 | */ |
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| 38 | u32 ref_freq_hz; |
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| 39 | |
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| 40 | /* invert the spectrum */ |
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| 41 | bool inversion; |
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| 42 | }; |
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| 43 | |
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| 44 | #endif /* _DVB_SI2165_H */ |
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| 45 | |
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