linux-stable/sound/soc/codecs/rl6231.h
Oder Chiou c25504ad64
ASoC: rl6231: Add the K bypass for the PLL parameters
The patch adds the K bypass for the PLL parameters.

Signed-off-by: Oder Chiou <oder_chiou@realtek.com>
Link: https://lore.kernel.org/r/20200504074007.13002-2-oder_chiou@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
2020-05-04 16:23:23 +01:00

33 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__ */