[mirror_ubuntu-hirsute-kernel.git] / sound / soc / codecs / rl6231.h

/* 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. */
	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__ */
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
49ef7925 OC	2	/*
	3	* rl6231.h - RL6231 class device shared support
	4	*
	5	* Copyright 2014 Realtek Semiconductor Corp.
	6	*
	7	* Author: Oder Chiou <oder_chiou@realtek.com>
49ef7925 OC	8	*/
	9
	10	#ifndef __RL6231_H__
	11	#define __RL6231_H__
	12
bbf53b95	13	#define RL6231_PLL_INP_MAX 50000000
71c7a2d6 OC	14	#define RL6231_PLL_INP_MIN 256000
	15	#define RL6231_PLL_N_MAX 0x1ff
	16	#define RL6231_PLL_K_MAX 0x1f
	17	#define RL6231_PLL_M_MAX 0xf
	18
	19	struct rl6231_pll_code {
	20	bool m_bp; /* Indicates bypass m code or not. */
	21	int m_code;
	22	int n_code;
	23	int k_code;
	24	};
	25
49ef7925	26	int rl6231_calc_dmic_clk(int rate);
71c7a2d6 OC	27	int rl6231_pll_calc(const unsigned int freq_in,
71c7a2d6 OC	28	const unsigned int freq_out, struct rl6231_pll_code *pll_code);
d92950e7	29	int rl6231_get_clk_info(int sclk, int rate);
00a6d6e5	30	int rl6231_get_pre_div(struct regmap *map, unsigned int reg, int sft);
49ef7925 OC	31
49ef7925 OC	32	#endif /* __RL6231_H__ */