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
55