35 строки
889 B
C
35 строки
889 B
C
/*
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* rl6231.h - RL6231 class device shared support
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*
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* Copyright 2014 Realtek Semiconductor Corp.
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*
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* Author: Oder Chiou <oder_chiou@realtek.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __RL6231_H__
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#define __RL6231_H__
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#define RL6231_PLL_INP_MAX 40000000
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#define RL6231_PLL_INP_MIN 256000
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#define RL6231_PLL_N_MAX 0x1ff
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#define RL6231_PLL_K_MAX 0x1f
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#define RL6231_PLL_M_MAX 0xf
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struct rl6231_pll_code {
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bool m_bp; /* Indicates bypass m code or not. */
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int m_code;
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int n_code;
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int k_code;
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};
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int rl6231_calc_dmic_clk(int rate);
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int rl6231_pll_calc(const unsigned int freq_in,
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const unsigned int freq_out, struct rl6231_pll_code *pll_code);
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int rl6231_get_clk_info(int sclk, int rate);
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#endif /* __RL6231_H__ */
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