include/sound/wm5100.h

   1 /*
   2  * linux/sound/wm5100.h -- Platform data for WM5100
   3  *
   4  * Copyright 2011 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_WM5100_H
  12 #define __LINUX_SND_WM5100_H
  13
  14 enum wm5100_in_mode {
  15         WM5100_IN_SE = 0,
  16         WM5100_IN_DIFF = 1,
  17         WM5100_IN_DMIC = 2,
  18 };
  19
  20 enum wm5100_dmic_sup {
  21         WM5100_DMIC_SUP_MICVDD = 0,
  22         WM5100_DMIC_SUP_MICBIAS1 = 1,
  23         WM5100_DMIC_SUP_MICBIAS2 = 2,
  24         WM5100_DMIC_SUP_MICBIAS3 = 3,
  25 };
  26
  27 enum wm5100_micdet_bias {
  28         WM5100_MICDET_MICBIAS1 = 0,
  29         WM5100_MICDET_MICBIAS2 = 1,
  30         WM5100_MICDET_MICBIAS3 = 2,
  31 };
  32
  33 struct wm5100_jack_mode {
  34         enum wm5100_micdet_bias bias;
  35         int hp_pol;
  36         int micd_src;
  37 };
  38
  39 #define WM5100_GPIO_SET 0x10000
  40
  41 struct wm5100_pdata {
  42         int reset;      /** GPIO controlling /RESET, if any */
  43         int ldo_ena;    /** GPIO controlling LODENA, if any */
  44         int hp_pol;     /** GPIO controlling headset polarity, if any */
  45         int irq_flags;
  46         int gpio_base;
  47
  48         struct wm5100_jack_mode jack_modes[2];
  49
  50         /* Input pin mode selection */
  51         enum wm5100_in_mode in_mode[4];
  52
  53         /* DMIC supply selection */
  54         enum wm5100_dmic_sup dmic_sup[4];
  55
  56         int gpio_defaults[6];
  57 };
  58
  59 #endif