xref: /openbmc/linux/sound/soc/codecs/wm8940.h (revision a44e4f3a)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * wm8940.h -- WM8940 Soc Audio driver
4  */
5 
6 #ifndef _WM8940_H
7 #define _WM8940_H
8 
9 struct wm8940_setup_data {
10 	/* Vref to analogue output resistance */
11 #define WM8940_VROI_1K 0
12 #define WM8940_VROI_30K 1
13 	unsigned int vroi:1;
14 };
15 
16 /* WM8940 register space */
17 #define WM8940_SOFTRESET	0x00
18 #define WM8940_POWER1		0x01
19 #define WM8940_POWER2		0x02
20 #define WM8940_POWER3		0x03
21 #define WM8940_IFACE		0x04
22 #define WM8940_COMPANDINGCTL	0x05
23 #define WM8940_CLOCK		0x06
24 #define WM8940_ADDCNTRL		0x07
25 #define WM8940_GPIO		0x08
26 #define WM8940_CTLINT		0x09
27 #define WM8940_DAC		0x0A
28 #define WM8940_DACVOL		0x0B
29 
30 #define WM8940_ADC		0x0E
31 #define WM8940_ADCVOL		0x0F
32 #define WM8940_NOTCH1		0x10
33 #define WM8940_NOTCH2		0x11
34 #define WM8940_NOTCH3		0x12
35 #define WM8940_NOTCH4		0x13
36 #define WM8940_NOTCH5		0x14
37 #define WM8940_NOTCH6		0x15
38 #define WM8940_NOTCH7		0x16
39 #define WM8940_NOTCH8		0x17
40 #define WM8940_DACLIM1		0x18
41 #define WM8940_DACLIM2		0x19
42 
43 #define WM8940_ALC1		0x20
44 #define WM8940_ALC2		0x21
45 #define WM8940_ALC3		0x22
46 #define WM8940_NOISEGATE	0x23
47 #define WM8940_PLLN		0x24
48 #define WM8940_PLLK1		0x25
49 #define WM8940_PLLK2		0x26
50 #define WM8940_PLLK3		0x27
51 
52 #define WM8940_ALC4		0x2A
53 
54 #define WM8940_INPUTCTL		0x2C
55 #define WM8940_PGAGAIN		0x2D
56 
57 #define WM8940_ADCBOOST		0x2F
58 
59 #define WM8940_OUTPUTCTL	0x31
60 #define WM8940_SPKMIX		0x32
61 
62 #define WM8940_SPKVOL		0x36
63 
64 #define WM8940_MONOMIX		0x38
65 
66 #define WM8940_CACHEREGNUM  0x57
67 
68 
69 /* Clock divider Id's */
70 #define WM8940_BCLKDIV 0
71 #define WM8940_MCLKDIV 1
72 #define WM8940_OPCLKDIV 2
73 
74 /* MCLK clock dividers */
75 #define WM8940_MCLKDIV_1	0
76 #define WM8940_MCLKDIV_1_5	1
77 #define WM8940_MCLKDIV_2	2
78 #define WM8940_MCLKDIV_3	3
79 #define WM8940_MCLKDIV_4	4
80 #define WM8940_MCLKDIV_6	5
81 #define WM8940_MCLKDIV_8	6
82 #define WM8940_MCLKDIV_12	7
83 
84 /* BCLK clock dividers */
85 #define WM8940_BCLKDIV_1 0
86 #define WM8940_BCLKDIV_2 1
87 #define WM8940_BCLKDIV_4 2
88 #define WM8940_BCLKDIV_8 3
89 #define WM8940_BCLKDIV_16 4
90 #define WM8940_BCLKDIV_32 5
91 
92 /* PLL Out Dividers */
93 #define WM8940_OPCLKDIV_1 0
94 #define WM8940_OPCLKDIV_2 1
95 #define WM8940_OPCLKDIV_3 2
96 #define WM8940_OPCLKDIV_4 3
97 
98 #endif /* _WM8940_H */
99 
100