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

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * Copyright (C) ST-Ericsson SA 2012
   4  *
   5  * Author: Ola Lilja <ola.o.lilja@stericsson.com>
   6  *         for ST-Ericsson.
   7  *
   8  * License terms:
   9  */
  10
  11 #ifndef AB8500_CORE_CODEC_H
  12 #define AB8500_CORE_CODEC_H
  13
  14 /* Mic-types */
  15 enum amic_type {
  16         AMIC_TYPE_SINGLE_ENDED,
  17         AMIC_TYPE_DIFFERENTIAL
  18 };
  19
  20 /* Mic-biases */
  21 enum amic_micbias {
  22         AMIC_MICBIAS_VAMIC1,
  23         AMIC_MICBIAS_VAMIC2,
  24         AMIC_MICBIAS_UNKNOWN
  25 };
  26
  27 /* Bias-voltage */
  28 enum ear_cm_voltage {
  29         EAR_CMV_0_95V,
  30         EAR_CMV_1_10V,
  31         EAR_CMV_1_27V,
  32         EAR_CMV_1_58V,
  33         EAR_CMV_UNKNOWN
  34 };
  35
  36 /* Analog microphone settings */
  37 struct amic_settings {
  38         enum amic_type mic1_type;
  39         enum amic_type mic2_type;
  40         enum amic_micbias mic1a_micbias;
  41         enum amic_micbias mic1b_micbias;
  42         enum amic_micbias mic2_micbias;
  43 };
  44
  45 /* Platform data structure for the audio-parts of the AB8500 */
  46 struct ab8500_codec_platform_data {
  47         struct amic_settings amics;
  48         enum ear_cm_voltage ear_cmv;
  49 };
  50
  51 #endif