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kernel/linux-imx6_3.14.28/include/sound/wm5100.h 1.25 KB
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  /*
   * 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