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- /* SPDX-License-Identifier: GPL-2.0-only */
- /*
- * rl6231.h - RL6231 class device shared support
- *
- * Copyright 2014 Realtek Semiconductor Corp.
- *
- * Author: Oder Chiou <[email protected]>
- */
- #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__ */
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