1
2
3
4
5
6
7
8#ifndef __WM8994_H__
9#define __WM8994_H__
10
11
12#define WM8994_SYSCLK_MCLK1 1
13#define WM8994_SYSCLK_MCLK2 2
14#define WM8994_SYSCLK_FLL1 3
15#define WM8994_SYSCLK_FLL2 4
16
17
18enum en_audio_interface {
19 WM8994_AIF1 = 1,
20 WM8994_AIF2,
21 WM8994_AIF3
22};
23
24
25#define WM8994_SYSCLK_OPCLK 5
26
27#define WM8994_FLL1 1
28#define WM8994_FLL2 2
29
30#define WM8994_FLL_SRC_MCLK1 1
31#define WM8994_FLL_SRC_MCLK2 2
32#define WM8994_FLL_SRC_LRCLK 3
33#define WM8994_FLL_SRC_BCLK 4
34
35
36#define WM8994_MAX_AIF 2
37
38#define WM8994_MAX_INPUT_CLK_FREQ 13500000
39#define WM8994_ID 0x8994
40
41enum wm8994_vmid_mode {
42 WM8994_VMID_NORMAL,
43 WM8994_VMID_FORCE,
44};
45
46
47enum wm8994_type {
48 WM8994 = 0,
49 WM8958 = 1,
50 WM1811 = 2,
51};
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66int wm8994_init(const void *blob, enum en_audio_interface aif_id,
67 int sampling_rate, int mclk_freq,
68 int bits_per_sample, unsigned int channels);
69#endif
70