1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | /* |
3 | * linux/sound/wm2200.h -- Platform data for WM2200 |
4 | * |
5 | * Copyright 2012 Wolfson Microelectronics. PLC. |
6 | */ |
7 | |
8 | #ifndef __LINUX_SND_WM2200_H |
9 | #define __LINUX_SND_WM2200_H |
10 | |
11 | #define WM2200_GPIO_SET 0x10000 |
12 | #define WM2200_MAX_MICBIAS 2 |
13 | |
14 | enum wm2200_in_mode { |
15 | WM2200_IN_SE = 0, |
16 | WM2200_IN_DIFF = 1, |
17 | WM2200_IN_DMIC = 2, |
18 | }; |
19 | |
20 | enum wm2200_dmic_sup { |
21 | WM2200_DMIC_SUP_MICVDD = 0, |
22 | WM2200_DMIC_SUP_MICBIAS1 = 1, |
23 | WM2200_DMIC_SUP_MICBIAS2 = 2, |
24 | }; |
25 | |
26 | enum wm2200_mbias_lvl { |
27 | WM2200_MBIAS_LVL_1V5 = 1, |
28 | WM2200_MBIAS_LVL_1V8 = 2, |
29 | WM2200_MBIAS_LVL_1V9 = 3, |
30 | WM2200_MBIAS_LVL_2V0 = 4, |
31 | WM2200_MBIAS_LVL_2V2 = 5, |
32 | WM2200_MBIAS_LVL_2V4 = 6, |
33 | WM2200_MBIAS_LVL_2V5 = 7, |
34 | WM2200_MBIAS_LVL_2V6 = 8, |
35 | }; |
36 | |
37 | struct wm2200_micbias { |
38 | enum wm2200_mbias_lvl mb_lvl; /** Regulated voltage */ |
39 | unsigned int discharge:1; /** Actively discharge */ |
40 | unsigned int fast_start:1; /** Enable aggressive startup ramp rate */ |
41 | unsigned int bypass:1; /** Use bypass mode */ |
42 | }; |
43 | |
44 | struct wm2200_pdata { |
45 | int reset; /** GPIO controlling /RESET, if any */ |
46 | int ldo_ena; /** GPIO controlling LODENA, if any */ |
47 | int irq_flags; |
48 | |
49 | int gpio_defaults[4]; |
50 | |
51 | enum wm2200_in_mode in_mode[3]; |
52 | enum wm2200_dmic_sup dmic_sup[3]; |
53 | |
54 | /** MICBIAS configurations */ |
55 | struct wm2200_micbias micbias[WM2200_MAX_MICBIAS]; |
56 | }; |
57 | |
58 | #endif |
59 | |