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kernel/linux-rt-4.4.41/include/linux/mfd/abx500/ab8500-codec.h 1.07 KB
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  /*
   * Copyright (C) ST-Ericsson SA 2012
   *
   * Author: Ola Lilja <ola.o.lilja@stericsson.com>
   *         for ST-Ericsson.
   *
   * License terms:
   *
   * 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 AB8500_CORE_CODEC_H
  #define AB8500_CORE_CODEC_H
  
  /* Mic-types */
  enum amic_type {
  	AMIC_TYPE_SINGLE_ENDED,
  	AMIC_TYPE_DIFFERENTIAL
  };
  
  /* Mic-biases */
  enum amic_micbias {
  	AMIC_MICBIAS_VAMIC1,
  	AMIC_MICBIAS_VAMIC2,
  	AMIC_MICBIAS_UNKNOWN
  };
  
  /* Bias-voltage */
  enum ear_cm_voltage {
  	EAR_CMV_0_95V,
  	EAR_CMV_1_10V,
  	EAR_CMV_1_27V,
  	EAR_CMV_1_58V,
  	EAR_CMV_UNKNOWN
  };
  
  /* Analog microphone settings */
  struct amic_settings {
  	enum amic_type mic1_type;
  	enum amic_type mic2_type;
  	enum amic_micbias mic1a_micbias;
  	enum amic_micbias mic1b_micbias;
  	enum amic_micbias mic2_micbias;
  };
  
  /* Platform data structure for the audio-parts of the AB8500 */
  struct ab8500_codec_platform_data {
  	struct amic_settings amics;
  	enum ear_cm_voltage ear_cmv;
  };
  
  #endif