mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-04 18:41:03 +00:00
0ab6f0b358
The register-access code is useful for any maxim codec. Move it out into its own file. Signed-off-by: Simon Glass <sjg@chromium.org>
67 lines
1.6 KiB
C
67 lines
1.6 KiB
C
/* 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__ */
|