linux_dsm_epyc7002/sound/soc/codecs/rl6231.h
Oder Chiou d92950e755 ASoC: rt5640: Add the function "get_clk_info" to RL6231 shared support
The patch adds the function "get_clk_info" to RL6231 shared support.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
2014-06-01 20:04:30 +01:00

35 lines
889 B
C

/*
* rl6231.h - RL6231 class device shared support
*
* Copyright 2014 Realtek Semiconductor Corp.
*
* Author: Oder Chiou <oder_chiou@realtek.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#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);
#endif /* __RL6231_H__ */