include/sound/wm8996.h

   1 /*
   2  * linux/sound/wm8996.h -- Platform data for WM8996
   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_WM8996_H
  12 #define __LINUX_SND_WM8996_H
  13
  14 enum wm8996_inmode {
  15         WM8996_DIFFERRENTIAL_1 = 0,   /* IN1xP - IN1xN */
  16         WM8996_INVERTING = 1,         /* IN1xN */
  17         WM8996_NON_INVERTING = 2,     /* IN1xP */
  18         WM8996_DIFFERENTIAL_2 = 3,    /* IN2xP - IN2xP */
  19 };
  20
  21 /**
  22  * ReTune Mobile configurations are specified with a label, sample
  23  * rate and set of values to write (the enable bits will be ignored).
  24  *
  25  * Configurations are expected to be generated using the ReTune Mobile
  26  * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
  27  */
  28 struct wm8996_retune_mobile_config {
  29         const char *name;
  30         int rate;
  31         u16 regs[20];
  32 };
  33
  34 #define WM8996_SET_DEFAULT 0x10000
  35
  36 struct wm8996_pdata {
  37         int irq_flags;  /** Set IRQ trigger flags; default active low */
  38
  39         int ldo_ena;  /** GPIO for LDO1; -1 for none */
  40
  41         int micdet_def;  /** Default MICDET_SRC/HP1FB_SRC/MICD_BIAS */
  42
  43         enum wm8996_inmode inl_mode;
  44         enum wm8996_inmode inr_mode;
  45
  46         u32 spkmute_seq;  /** Value for register 0x802 */
  47
  48         int gpio_base;
  49         u32 gpio_default[5];
  50
  51         int num_retune_mobile_cfgs;
  52         struct wm8996_retune_mobile_config *retune_mobile_cfgs;
  53 };
  54
  55 #endif