include/linux/mfd/abx500/ab8500-codec.h

   1 /*
   2  * Copyright (C) ST-Ericsson SA 2012
   3  *
   4  * Author: Ola Lilja <ola.o.lilja@stericsson.com>
   5  *         for ST-Ericsson.
   6  *
   7  * License terms:
   8  *
   9  * This program is free software; you can redistribute it and/or modify it
  10  * under the terms of the GNU General Public License version 2 as published
  11  * by the Free Software Foundation.
  12  */
  13
  14 #ifndef AB8500_CORE_CODEC_H
  15 #define AB8500_CORE_CODEC_H
  16
  17 /* Mic-types */
  18 enum amic_type {
  19         AMIC_TYPE_SINGLE_ENDED,
  20         AMIC_TYPE_DIFFERENTIAL
  21 };
  22
  23 /* Mic-biases */
  24 enum amic_micbias {
  25         AMIC_MICBIAS_VAMIC1,
  26         AMIC_MICBIAS_VAMIC2,
  27         AMIC_MICBIAS_UNKNOWN
  28 };
  29
  30 /* Bias-voltage */
  31 enum ear_cm_voltage {
  32         EAR_CMV_0_95V,
  33         EAR_CMV_1_10V,
  34         EAR_CMV_1_27V,
  35         EAR_CMV_1_58V,
  36         EAR_CMV_UNKNOWN
  37 };
  38
  39 /* Analog microphone settings */
  40 struct amic_settings {
  41         enum amic_type mic1_type;
  42         enum amic_type mic2_type;
  43         enum amic_micbias mic1a_micbias;
  44         enum amic_micbias mic1b_micbias;
  45         enum amic_micbias mic2_micbias;
  46 };
  47
  48 /* Platform data structure for the audio-parts of the AB8500 */
  49 struct ab8500_codec_platform_data {
  50         struct amic_settings amics;
  51         enum ear_cm_voltage ear_cmv;
  52 };
  53
  54 #endif