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