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