include/sound/wm2200.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   2 /*
   3  * linux/sound/wm2200.h -- Platform data for WM2200
   4  *
   5  * Copyright 2012 Wolfson Microelectronics. PLC.
   6  */
   7
   8 #ifndef __LINUX_SND_WM2200_H
   9 #define __LINUX_SND_WM2200_H
  10
  11 #define WM2200_GPIO_SET 0x10000
  12 #define WM2200_MAX_MICBIAS 2
  13
  14 enum wm2200_in_mode {
  15         WM2200_IN_SE = 0,
  16         WM2200_IN_DIFF = 1,
  17         WM2200_IN_DMIC = 2,
  18 };
  19
  20 enum wm2200_dmic_sup {
  21         WM2200_DMIC_SUP_MICVDD = 0,
  22         WM2200_DMIC_SUP_MICBIAS1 = 1,
  23         WM2200_DMIC_SUP_MICBIAS2 = 2,
  24 };
  25
  26 enum wm2200_mbias_lvl {
  27         WM2200_MBIAS_LVL_1V5 = 1,
  28         WM2200_MBIAS_LVL_1V8 = 2,
  29         WM2200_MBIAS_LVL_1V9 = 3,
  30         WM2200_MBIAS_LVL_2V0 = 4,
  31         WM2200_MBIAS_LVL_2V2 = 5,
  32         WM2200_MBIAS_LVL_2V4 = 6,
  33         WM2200_MBIAS_LVL_2V5 = 7,
  34         WM2200_MBIAS_LVL_2V6 = 8,
  35 };
  36
  37 struct wm2200_micbias {
  38         enum wm2200_mbias_lvl mb_lvl;      /** Regulated voltage */
  39         unsigned int discharge:1;          /** Actively discharge */
  40         unsigned int fast_start:1;         /** Enable aggressive startup ramp rate */
  41         unsigned int bypass:1;             /** Use bypass mode */
  42 };
  43
  44 struct wm2200_pdata {
  45         int reset;      /** GPIO controlling /RESET, if any */
  46         int ldo_ena;    /** GPIO controlling LODENA, if any */
  47         int irq_flags;
  48
  49         int gpio_defaults[4];
  50
  51         enum wm2200_in_mode in_mode[3];
  52         enum wm2200_dmic_sup dmic_sup[3];
  53
  54         /** MICBIAS configurations */
  55         struct wm2200_micbias micbias[WM2200_MAX_MICBIAS];
  56 };
  57
  58 #endif