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Diffstat (limited to 'sound/soc/codecs/wm8731.h')
| -rw-r--r-- | sound/soc/codecs/wm8731.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/sound/soc/codecs/wm8731.h b/sound/soc/codecs/wm8731.h new file mode 100644 index 000000000..8d5a7a9ca --- /dev/null +++ b/sound/soc/codecs/wm8731.h @@ -0,0 +1,63 @@ +/* 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 |