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wm8993.h
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1 /*
2  * linux/sound/wm8993.h -- Platform data for WM8993
3  *
4  * Copyright 2009 Wolfson Microelectronics. PLC.
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  */
10 
11 #ifndef __LINUX_SND_WM8993_H
12 #define __LINUX_SND_WM8993_H
13 
14 /* Note that EQ1 only contains the enable/disable bit so will be
15  ignored but is included for simplicity.
16  */
17 struct wm8993_retune_mobile_setting {
18  const char *name;
19  unsigned int rate;
20  u16 config[24];
21 };
22 
23 struct wm8993_platform_data {
24  struct wm8993_retune_mobile_setting *retune_configs;
25  int num_retune_configs;
26 
27  /* LINEOUT can be differential or single ended */
28  unsigned int lineout1_diff:1;
29  unsigned int lineout2_diff:1;
30 
31  /* Common mode feedback */
32  unsigned int lineout1fb:1;
33  unsigned int lineout2fb:1;
34 
35  /* Delay to add for microphones to stabalise after power up */
36  int micbias1_delay;
37  int micbias2_delay;
38 
39  /* Microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
40  unsigned int micbias1_lvl:1;
41  unsigned int micbias2_lvl:1;
42 
43  /* Jack detect threshold levels, see datasheet for values */
44  unsigned int jd_scthr:2;
45  unsigned int jd_thr:2;
46 };
47 
48 #endif
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