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/*
* linux/sound/wm2200.h -- Platform data for WM2200
*
* Copyright 2012 Wolfson Microelectronics. PLC.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __LINUX_SND_WM2200_H
#define __LINUX_SND_WM2200_H
#define WM2200_GPIO_SET 0x10000
#define WM2200_MAX_MICBIAS 2
enum wm2200_in_mode {
WM2200_IN_SE = 0,
WM2200_IN_DIFF = 1,
WM2200_IN_DMIC = 2,
};
enum wm2200_dmic_sup {
WM2200_DMIC_SUP_MICVDD = 0,
WM2200_DMIC_SUP_MICBIAS1 = 1,
WM2200_DMIC_SUP_MICBIAS2 = 2,
};
enum wm2200_mbias_lvl {
WM2200_MBIAS_LVL_1V5 = 1,
WM2200_MBIAS_LVL_1V8 = 2,
WM2200_MBIAS_LVL_1V9 = 3,
WM2200_MBIAS_LVL_2V0 = 4,
WM2200_MBIAS_LVL_2V2 = 5,
WM2200_MBIAS_LVL_2V4 = 6,
WM2200_MBIAS_LVL_2V5 = 7,
WM2200_MBIAS_LVL_2V6 = 8,
};
struct wm2200_micbias {
enum wm2200_mbias_lvl mb_lvl; /** Regulated voltage */
unsigned int discharge:1; /** Actively discharge */
unsigned int fast_start:1; /** Enable aggressive startup ramp rate */
unsigned int bypass:1; /** Use bypass mode */
};
struct wm2200_pdata {
int reset; /** GPIO controlling /RESET, if any */
int ldo_ena; /** GPIO controlling LODENA, if any */
int irq_flags;
int gpio_defaults[4];
enum wm2200_in_mode in_mode[3];
enum wm2200_dmic_sup dmic_sup[3];
/** MICBIAS configurations */
struct wm2200_micbias micbias[WM2200_MAX_MICBIAS];
};
#endif