| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * rl6231.h - RL6231 class device shared support |
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| 4 | * |
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| 5 | * Copyright 2014 Realtek Semiconductor Corp. |
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| 6 | * |
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| 7 | * Author: Oder Chiou <oder_chiou@realtek.com> |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef __RL6231_H__ |
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| 11 | #define __RL6231_H__ |
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| 12 | |
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| 13 | #define RL6231_PLL_INP_MAX 50000000 |
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| 14 | #define RL6231_PLL_INP_MIN 256000 |
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| 15 | #define RL6231_PLL_N_MAX 0x1ff |
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| 16 | #define RL6231_PLL_K_MAX 0x1f |
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| 17 | #define RL6231_PLL_M_MAX 0xf |
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| 18 | |
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| 19 | struct rl6231_pll_code { |
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| 20 | bool m_bp; /* Indicates bypass m code or not. */ |
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| 21 | bool k_bp; /* Indicates bypass k code or not. */ |
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| 22 | int m_code; |
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| 23 | int n_code; |
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| 24 | int k_code; |
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| 25 | }; |
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| 26 | |
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| 27 | int rl6231_calc_dmic_clk(int rate); |
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| 28 | int rl6231_pll_calc(const unsigned int freq_in, |
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| 29 | const unsigned int freq_out, struct rl6231_pll_code *pll_code); |
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| 30 | int rl6231_get_clk_info(int sclk, int rate); |
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| 31 | int rl6231_get_pre_div(struct regmap *map, unsigned int reg, int sft); |
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| 32 | |
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| 33 | #endif /* __RL6231_H__ */ |
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| 34 | |
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