| Oder Chiou | 49ef792 | 2014-05-20 15:01:53 +0800 | [diff] [blame] | 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 | |
| 13 | #ifndef __RL6231_H__ |
| 14 | #define __RL6231_H__ |
| 15 | |
| Oder Chiou | 71c7a2d | 2014-05-20 15:01:54 +0800 | [diff] [blame] | 16 | #define RL6231_PLL_INP_MAX 40000000 |
| 17 | #define RL6231_PLL_INP_MIN 256000 |
| 18 | #define RL6231_PLL_N_MAX 0x1ff |
| 19 | #define RL6231_PLL_K_MAX 0x1f |
| 20 | #define RL6231_PLL_M_MAX 0xf |
| 21 | |
| 22 | struct rl6231_pll_code { |
| 23 | bool m_bp; /* Indicates bypass m code or not. */ |
| 24 | int m_code; |
| 25 | int n_code; |
| 26 | int k_code; |
| 27 | }; |
| 28 | |
| Oder Chiou | 49ef792 | 2014-05-20 15:01:53 +0800 | [diff] [blame] | 29 | int rl6231_calc_dmic_clk(int rate); |
| Oder Chiou | 71c7a2d | 2014-05-20 15:01:54 +0800 | [diff] [blame] | 30 | int rl6231_pll_calc(const unsigned int freq_in, |
| 31 | const unsigned int freq_out, struct rl6231_pll_code *pll_code); |
| Oder Chiou | d92950e | 2014-05-20 15:01:55 +0800 | [diff] [blame] | 32 | int rl6231_get_clk_info(int sclk, int rate); |
| Oder Chiou | 49ef792 | 2014-05-20 15:01:53 +0800 | [diff] [blame] | 33 | |
| 34 | #endif /* __RL6231_H__ */ |