/*
   * 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