LXR linux/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
  14enum wm2200_in_mode {
  15        WM2200_IN_SE = 0,
  16        WM2200_IN_DIFF = 1,
  17        WM2200_IN_DMIC = 2,
  18};
  19
  20enum wm2200_dmic_sup {
  21        WM2200_DMIC_SUP_MICVDD = 0,
  22        WM2200_DMIC_SUP_MICBIAS1 = 1,
  23        WM2200_DMIC_SUP_MICBIAS2 = 2,
  24};
  25
  26enum 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
  37struct 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
  44struct 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
  59