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https://github.com/AsahiLinux/u-boot
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68 lines
1.6 KiB
C
68 lines
1.6 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* maxim_codec.h -- MAXIM codec common interface file
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*
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* Copyright (C) 2013 Samsung Electronics
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* D Krishna Mohan <krishna.md@samsung.com>
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*/
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#ifndef __MAXIM_COMMON_H__
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#define __MAXIM_COMMON_H__
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enum maxim_codec_type {
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MAX98095,
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MAX98090,
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};
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struct maxim_priv {
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enum maxim_codec_type devtype;
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unsigned int sysclk;
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unsigned int rate;
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unsigned int fmt;
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struct udevice *dev;
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};
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#define MAXIM_AUDIO_I2C_BUS 7
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#define MAXIM_AUDIO_I2C_REG_98095 0x22
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#define MAXIM_AUDIO_I2C_REG MAXIM_AUDIO_I2C_REG_98095
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/*
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* Writes value to a device register through i2c
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*
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* @param priv Private data for driver
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* @param reg reg number to be write
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* @param data data to be writen to the above registor
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*
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* @return int value 1 for change, 0 for no change or negative error code.
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*/
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int maxim_i2c_write(struct maxim_priv *priv, unsigned int reg,
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unsigned char data);
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/*
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* Read a value from a device register through i2c
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*
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* @param priv Private data for driver
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* @param reg reg number to be read
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* @param data address of read data to be stored
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*
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* @return int value 0 for success, -1 in case of error.
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*/
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unsigned int maxim_i2c_read(struct maxim_priv *priv, unsigned int reg,
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unsigned char *data);
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/*
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* update device register bits through i2c
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*
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* @param priv Private data for driver
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* @param reg codec register
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* @param mask register mask
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* @param value new value
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*
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* @return int value 0 for success, non-zero error code.
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*/
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int maxim_bic_or(struct maxim_priv *priv, unsigned int reg, unsigned char mask,
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unsigned char value);
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#endif /* __MAXIM_COMMON_H__ */
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