| /* SPDX-License-Identifier: GPL-2.0-only */ |
| /* |
| * rl6231.h - RL6231 class device shared support |
| * |
| * Copyright 2014 Realtek Semiconductor Corp. |
| * |
| * Author: Oder Chiou <oder_chiou@realtek.com> |
| */ |
| |
| #ifndef __RL6231_H__ |
| #define __RL6231_H__ |
| |
| #define RL6231_PLL_INP_MAX 40000000 |
| #define RL6231_PLL_INP_MIN 256000 |
| #define RL6231_PLL_N_MAX 0x1ff |
| #define RL6231_PLL_K_MAX 0x1f |
| #define RL6231_PLL_M_MAX 0xf |
| |
| struct rl6231_pll_code { |
| bool m_bp; /* Indicates bypass m code or not. */ |
| int m_code; |
| int n_code; |
| int k_code; |
| }; |
| |
| int rl6231_calc_dmic_clk(int rate); |
| int rl6231_pll_calc(const unsigned int freq_in, |
| const unsigned int freq_out, struct rl6231_pll_code *pll_code); |
| int rl6231_get_clk_info(int sclk, int rate); |
| int rl6231_get_pre_div(struct regmap *map, unsigned int reg, int sft); |
| |
| #endif /* __RL6231_H__ */ |
