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drivers
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media
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dvb-frontends
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si2165.h

si2165.h 872 B
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  1. /* SPDX-License-Identifier: GPL-2.0-or-later */
    2. 

  2. /*
    3. 

  3.  * Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
    4. 

  4.  *
    5. 

  5.  * Copyright (C) 2013-2017 Matthias Schwarzott <zzam@gentoo.org>
    6. 

  6.  *
    7. 

  7.  * References:
    8. 

  8.  *   http://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf
    9. 

  9.  */
    10. 

  10. 

  11. #ifndef _DVB_SI2165_H
    12. 

  12. #define _DVB_SI2165_H
    13. 

  13. 

  14. #include <linux/dvb/frontend.h>
    15. 

  15. 

  16. enum {
    17. 

  17. 	SI2165_MODE_OFF = 0x00,
    18. 

  18. 	SI2165_MODE_PLL_EXT = 0x20,
    19. 

  19. 	SI2165_MODE_PLL_XTAL = 0x21
    20. 

  20. };
    21. 

  21. 

  22. /* I2C addresses
    23. 

  23.  * possible values: 0x64,0x65,0x66,0x67
    24. 

  24.  */
    25. 

  25. struct si2165_platform_data {
    26. 

  26. 	/*
    27. 

  27. 	 * frontend
    28. 

  28. 	 * returned by driver
    29. 

  29. 	 */
    30. 

  30. 	struct dvb_frontend **fe;
    31. 

  31. 

  32. 	/* external clock or XTAL */
    33. 

  33. 	u8 chip_mode;
    34. 

  34. 

  35. 	/* frequency of external clock or xtal in Hz
    36. 

  36. 	 * possible values: 4000000, 16000000, 20000000, 240000000, 27000000
    37. 

  37. 	 */
    38. 

  38. 	u32 ref_freq_hz;
    39. 

  39. 

  40. 	/* invert the spectrum */
    41. 

  41. 	bool inversion;
    42. 

  42. };
    43. 

  43. 

  44. #endif /* _DVB_SI2165_H */
    45. 

  45.