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