/* 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__ */