1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * linux/sound/wm2200.h -- Platform data for WM2200
5 * Copyright 2012 Wolfson Microelectronics. PLC.
8 #ifndef __LINUX_SND_WM2200_H
9 #define __LINUX_SND_WM2200_H
11 #define WM2200_GPIO_SET 0x10000
12 #define WM2200_MAX_MICBIAS 2
20 enum wm2200_dmic_sup {
21 WM2200_DMIC_SUP_MICVDD = 0,
22 WM2200_DMIC_SUP_MICBIAS1 = 1,
23 WM2200_DMIC_SUP_MICBIAS2 = 2,
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,
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 */
45 int reset; /** GPIO controlling /RESET, if any */
46 int ldo_ena; /** GPIO controlling LODENA, if any */
51 enum wm2200_in_mode in_mode[3];
52 enum wm2200_dmic_sup dmic_sup[3];
54 /** MICBIAS configurations */
55 struct wm2200_micbias micbias[WM2200_MAX_MICBIAS];