34 lines
864 B
C
34 lines
864 B
C
/* 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 50000000
|
|
#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. */
|
|
bool k_bp; /* Indicates bypass k 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__ */
|