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