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 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 29 int rl6231_calc_dmic_clk(int rate); 30 int rl6231_pll_calc(const unsigned int freq_in, 31 const unsigned int freq_out, struct rl6231_pll_code *pll_code); 32 int rl6231_get_clk_info(int sclk, int rate); 33 int rl6231_get_pre_div(struct regmap *map, unsigned int reg, int sft); 34 35 #endif /* __RL6231_H__ */ 36