/*
   * linux/sound/wm8996.h -- Platform data for WM8996
   *
   * Copyright 2011 Wolfson Microelectronics. PLC.
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU General Public License version 2 as
   * published by the Free Software Foundation.
   */
  
  #ifndef __LINUX_SND_WM8996_H
  #define __LINUX_SND_WM8996_H
  
  enum wm8996_inmode {
  	WM8996_DIFFERRENTIAL_1 = 0,   /* IN1xP - IN1xN */
  	WM8996_INVERTING = 1,         /* IN1xN */
  	WM8996_NON_INVERTING = 2,     /* IN1xP */
  	WM8996_DIFFERENTIAL_2 = 3,    /* IN2xP - IN2xP */
  };
  
  /**
   * ReTune Mobile configurations are specified with a label, sample
   * rate and set of values to write (the enable bits will be ignored).
   *
   * Configurations are expected to be generated using the ReTune Mobile
   * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
   */
  struct wm8996_retune_mobile_config {
  	const char *name;
  	int rate;
  	u16 regs[20];
  };
  
  #define WM8996_SET_DEFAULT 0x10000
  
  struct wm8996_pdata {
  	int irq_flags;  /** Set IRQ trigger flags; default active low */
  
  	int ldo_ena;  /** GPIO for LDO1; -1 for none */
  
  	int micdet_def;  /** Default MICDET_SRC/HP1FB_SRC/MICD_BIAS */
  
  	enum wm8996_inmode inl_mode;
  	enum wm8996_inmode inr_mode;
  
  	u32 spkmute_seq;  /** Value for register 0x802 */
  
  	int gpio_base;
  	u32 gpio_default[5];
  
  	int num_retune_mobile_cfgs;
  	struct wm8996_retune_mobile_config *retune_mobile_cfgs;
  };
  
  #endif