include/sound/wm8904.h

   1 /*
   2  * Platform data for WM8904
   3  *
   4  * Copyright 2009 Wolfson Microelectronics PLC.
   5  *
   6  * Author: Mark Brown <broonie@opensource.wolfsonmicro.com>
   7  *
   8  *  This program is free software; you can redistribute  it and/or modify it
   9  *  under  the terms of  the GNU General  Public License as published by the
  10  *  Free Software Foundation;  either version 2 of the  License, or (at your
  11  *  option) any later version.
  12  *
  13  */
  14
  15 #ifndef __MFD_WM8994_PDATA_H__
  16 #define __MFD_WM8994_PDATA_H__
  17
  18 #define WM8904_DRC_REGS 4
  19 #define WM8904_EQ_REGS  25
  20
  21 /**
  22  * DRC configurations are specified with a label and a set of register
  23  * values to write (the enable bits will be ignored).  At runtime an
  24  * enumerated control will be presented for each DRC block allowing
  25  * the user to choose the configration to use.
  26  *
  27  * Configurations may be generated by hand or by using the DRC control
  28  * panel provided by the WISCE - see  http://www.wolfsonmicro.com/wisce/
  29  * for details.
  30  */
  31 struct wm8904_drc_cfg {
  32         const char *name;
  33         u16 regs[WM8904_DRC_REGS];
  34 };
  35
  36 /**
  37  * ReTune Mobile configurations are specified with a label, sample
  38  * rate and set of values to write (the enable bits will be ignored).
  39  *
  40  * Configurations are expected to be generated using the ReTune Mobile
  41  * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
  42  */
  43 struct wm8904_retune_mobile_cfg {
  44         const char *name;
  45         unsigned int rate;
  46         u16 regs[WM8904_EQ_REGS];
  47 };
  48
  49 struct wm8904_pdata {
  50         int num_drc_cfgs;
  51         struct wm8904_drc_cfg *drc_cfgs;
  52
  53         int num_retune_mobile_cfgs;
  54         struct wm8904_retune_mobile_cfg *retune_mobile_cfgs;
  55 };
  56
  57 #endif