1. 根目录:
2. include
3. sound
4. wm5100.h

/*
 * linux/sound/wm5100.h -- Platform data for WM5100
 *
 * Copyright 2011 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_WM5100_H
#define __LINUX_SND_WM5100_H

enum wm5100_in_mode {
	WM5100_IN_SE = 0,
	WM5100_IN_DIFF = 1,
	WM5100_IN_DMIC = 2,
};

enum wm5100_dmic_sup {
	WM5100_DMIC_SUP_MICVDD = 0,
	WM5100_DMIC_SUP_MICBIAS1 = 1,
	WM5100_DMIC_SUP_MICBIAS2 = 2,
	WM5100_DMIC_SUP_MICBIAS3 = 3,
};

enum wm5100_micdet_bias {
	WM5100_MICDET_MICBIAS1 = 0,
	WM5100_MICDET_MICBIAS2 = 1,
	WM5100_MICDET_MICBIAS3 = 2,
};

struct wm5100_jack_mode {
	enum wm5100_micdet_bias bias;
	int hp_pol;
	int micd_src;
};

#define WM5100_GPIO_SET 0x10000

struct wm5100_pdata {
	int reset;      /** GPIO controlling /RESET, if any */
	int ldo_ena;    /** GPIO controlling LODENA, if any */
	int hp_pol;     /** GPIO controlling headset polarity, if any */
	int irq_flags;
	int gpio_base;

	struct wm5100_jack_mode jack_modes[2];

	/* Input pin mode selection */
	enum wm5100_in_mode in_mode[4];

	/* DMIC supply selection */
	enum wm5100_dmic_sup dmic_sup[4];

	int gpio_defaults[6];
};

#endif