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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /sound/soc/codecs/rl6231.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sound/soc/codecs/rl6231.h')
-rw-r--r--sound/soc/codecs/rl6231.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/sound/soc/codecs/rl6231.h b/sound/soc/codecs/rl6231.h
new file mode 100644
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+++ b/sound/soc/codecs/rl6231.h
@@ -0,0 +1,33 @@
+/* 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__ */