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-rw-r--r--sound/soc/codecs/wm8731.h63
1 files changed, 63 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8731.h b/sound/soc/codecs/wm8731.h
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+++ b/sound/soc/codecs/wm8731.h
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+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * wm8731.h -- WM8731 Soc Audio driver
+ *
+ * Copyright 2005 Openedhand Ltd.
+ *
+ * Author: Richard Purdie <richard@openedhand.com>
+ *
+ * Based on wm8753.h
+ */
+
+#ifndef _WM8731_H
+#define _WM8731_H
+
+#include <linux/mutex.h>
+#include <linux/regmap.h>
+#include <linux/regulator/consumer.h>
+
+struct clk;
+struct snd_pcm_hw_constraint_list;
+
+/* WM8731 register space */
+
+#define WM8731_LINVOL 0x00
+#define WM8731_RINVOL 0x01
+#define WM8731_LOUT1V 0x02
+#define WM8731_ROUT1V 0x03
+#define WM8731_APANA 0x04
+#define WM8731_APDIGI 0x05
+#define WM8731_PWR 0x06
+#define WM8731_IFACE 0x07
+#define WM8731_SRATE 0x08
+#define WM8731_ACTIVE 0x09
+#define WM8731_RESET 0x0f
+
+#define WM8731_CACHEREGNUM 10
+
+#define WM8731_SYSCLK_MCLK 0
+#define WM8731_SYSCLK_XTAL 1
+
+#define WM8731_DAI 0
+
+#define WM8731_NUM_SUPPLIES 4
+
+/* codec private data */
+struct wm8731_priv {
+ struct regmap *regmap;
+ struct clk *mclk;
+ struct regulator_bulk_data supplies[WM8731_NUM_SUPPLIES];
+ const struct snd_pcm_hw_constraint_list *constraints;
+ unsigned int sysclk;
+ int sysclk_type;
+ int playback_fs;
+ bool deemph;
+
+ struct mutex lock;
+};
+
+extern const struct regmap_config wm8731_regmap;
+
+int wm8731_init(struct device *dev, struct wm8731_priv *wm8731);
+
+#endif