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-rw-r--r--sound/soc/codecs/rl6231.h34
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diff --git a/sound/soc/codecs/rl6231.h b/sound/soc/codecs/rl6231.h
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+/*
+ * 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__ */