1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 * maxim_codec.h -- MAXIM codec common interface file
4 *
5 * Copyright (C) 2013 Samsung Electronics
6 * D Krishna Mohan <krishna.md@samsung.com>
7 */
8
9#ifndef __MAXIM_COMMON_H__
10#define __MAXIM_COMMON_H__
11
12enum maxim_codec_type {
13	MAX98095,
14	MAX98090,
15};
16
17struct maxim_priv {
18	enum maxim_codec_type devtype;
19	unsigned int sysclk;
20	unsigned int rate;
21	unsigned int fmt;
22	struct udevice *dev;
23};
24
25#define MAXIM_AUDIO_I2C_BUS		7
26#define MAXIM_AUDIO_I2C_REG_98095	0x22
27
28#define MAXIM_AUDIO_I2C_REG		MAXIM_AUDIO_I2C_REG_98095
29
30/*
31 * Writes value to a device register through i2c
32 *
33 * @param priv	Private data for driver
34 * @param reg	reg number to be write
35 * @param data	data to be writen to the above registor
36 *
37 * Return:	int value 1 for change, 0 for no change or negative error code.
38 */
39int maxim_i2c_write(struct maxim_priv *priv, unsigned int reg,
40		    unsigned char data);
41
42/*
43 * Read a value from a device register through i2c
44 *
45 * @param priv	Private data for driver
46 * @param reg	reg number to be read
47 * @param data	address of read data to be stored
48 *
49 * Return:	int value 0 for success, -1 in case of error.
50 */
51unsigned int maxim_i2c_read(struct maxim_priv *priv, unsigned int reg,
52			    unsigned char *data);
53
54/*
55 * update device register bits through i2c
56 *
57 * @param priv	Private data for driver
58 * @param reg	codec register
59 * @param mask	register mask
60 * @param value	new value
61 *
62 * Return: int value 0 for success, non-zero error code.
63 */
64int maxim_bic_or(struct maxim_priv *priv, unsigned int reg, unsigned char mask,
65		 unsigned char value);
66
67#endif /* __MAXIM_COMMON_H__ */
68