Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / sound / soc / codecs / rl6231.h

diff --git a/kernel/sound/soc/codecs/rl6231.h b/kernel/sound/soc/codecs/rl6231.h
new file mode 100644 (file)
index 0000000..0f7b057
--- /dev/null
+++ b/kernel/sound/soc/codecs/rl6231.h
@@ -0,0 +1,34 @@
+/*
+ * 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__ */