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Oder Chiou49ef7922014-05-20 15:01:53 +08001/*
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 Chiou71c7a2d2014-05-20 15:01:54 +080016#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
22struct 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 Chiou49ef7922014-05-20 15:01:53 +080029int rl6231_calc_dmic_clk(int rate);
Oder Chiou71c7a2d2014-05-20 15:01:54 +080030int rl6231_pll_calc(const unsigned int freq_in,
31 const unsigned int freq_out, struct rl6231_pll_code *pll_code);
Oder Chioud92950e2014-05-20 15:01:55 +080032int rl6231_get_clk_info(int sclk, int rate);
Oder Chiou49ef7922014-05-20 15:01:53 +080033
34#endif /* __RL6231_H__ */