rl6231.h 960 B

123456789101112131415161718192021222324252627282930313233343536
  1. /*
  2. * rl6231.h - RL6231 class device shared support
  3. *
  4. * Copyright 2014 Realtek Semiconductor Corp.
  5. *
  6. * Author: Oder Chiou <oder_chiou@realtek.com>
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License version 2 as
  10. * published by the Free Software Foundation.
  11. */
  12. #ifndef __RL6231_H__
  13. #define __RL6231_H__
  14. #define RL6231_PLL_INP_MAX 40000000
  15. #define RL6231_PLL_INP_MIN 256000
  16. #define RL6231_PLL_N_MAX 0x1ff
  17. #define RL6231_PLL_K_MAX 0x1f
  18. #define RL6231_PLL_M_MAX 0xf
  19. struct rl6231_pll_code {
  20. bool m_bp; /* Indicates bypass m code or not. */
  21. int m_code;
  22. int n_code;
  23. int k_code;
  24. };
  25. int rl6231_calc_dmic_clk(int rate);
  26. int rl6231_pll_calc(const unsigned int freq_in,
  27. const unsigned int freq_out, struct rl6231_pll_code *pll_code);
  28. int rl6231_get_clk_info(int sclk, int rate);
  29. int rl6231_get_pre_div(struct regmap *map, unsigned int reg, int sft);
  30. #endif /* __RL6231_H__ */