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
14enum wm2200_in_mode {
15 WM2200_IN_SE = 0,
16 WM2200_IN_DIFF = 1,
17 WM2200_IN_DMIC = 2,
18};
19
20enum wm2200_dmic_sup {
21 WM2200_DMIC_SUP_MICVDD = 0,
22 WM2200_DMIC_SUP_MICBIAS1 = 1,
23 WM2200_DMIC_SUP_MICBIAS2 = 2,
24};
25
26enum 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
37struct 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
44struct 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

source code of linux/include/sound/wm2200.h