xref: /openbmc/linux/sound/soc/codecs/ad1836.h (revision a9ca9f9c)
1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  * Audio Codec driver supporting:
4  *  AD1835A, AD1836, AD1837A, AD1838A, AD1839A
5  *
6  * Copyright 2009-2011 Analog Devices Inc.
7  */
8 
9 #ifndef __AD1836_H__
10 #define __AD1836_H__
11 
12 #define AD1836_DAC_CTRL1               0
13 #define AD1836_DAC_POWERDOWN           2
14 #define AD1836_DAC_SERFMT_MASK         0xE0
15 #define AD1836_DAC_SERFMT_PCK256       (0x4 << 5)
16 #define AD1836_DAC_SERFMT_PCK128       (0x5 << 5)
17 #define AD1836_DAC_WORD_LEN_MASK       0x18
18 #define AD1836_DAC_WORD_LEN_OFFSET     3
19 
20 #define AD1836_DAC_CTRL2               1
21 
22 /* These macros are one-based. So AD183X_MUTE_LEFT(1) will return the mute bit
23  * for the first ADC/DAC */
24 #define AD1836_MUTE_LEFT(x) (((x) * 2) - 2)
25 #define AD1836_MUTE_RIGHT(x) (((x) * 2) - 1)
26 
27 #define AD1836_DAC_L_VOL(x) ((x) * 2)
28 #define AD1836_DAC_R_VOL(x) (1 + ((x) * 2))
29 
30 #define AD1836_ADC_CTRL1               12
31 #define AD1836_ADC_POWERDOWN           7
32 #define AD1836_ADC_HIGHPASS_FILTER     8
33 
34 #define AD1836_ADC_CTRL2               13
35 #define AD1836_ADC_WORD_LEN_MASK       0x30
36 #define AD1836_ADC_WORD_OFFSET         4
37 #define AD1836_ADC_SERFMT_MASK         (7 << 6)
38 #define AD1836_ADC_SERFMT_PCK256       (0x4 << 6)
39 #define AD1836_ADC_SERFMT_PCK128       (0x5 << 6)
40 #define AD1836_ADC_AUX                 (0x6 << 6)
41 
42 #define AD1836_ADC_CTRL3               14
43 
44 #define AD1836_NUM_REGS                16
45 
46 #define AD1836_WORD_LEN_24 0x0
47 #define AD1836_WORD_LEN_20 0x1
48 #define AD1836_WORD_LEN_16 0x2
49 
50 #endif
51