include/linux/mfd/wm8994/pdata.h

   1 /*
   2  * include/linux/mfd/wm8994/pdata.h -- Platform data for WM8994
   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 WM8994_NUM_LDO   2
  19 #define WM8994_NUM_GPIO 11
  20
  21 struct wm8994_ldo_pdata {
  22         /** GPIOs to enable regulator, 0 or less if not available */
  23         int enable;
  24
  25         const char *supply;
  26         struct regulator_init_data *init_data;
  27 };
  28
  29 #define WM8994_CONFIGURE_GPIO 0x8000
  30
  31 #define WM8994_DRC_REGS 5
  32 #define WM8994_EQ_REGS  20
  33 #define WM8958_MBC_CUTOFF_REGS 20
  34 #define WM8958_MBC_COEFF_REGS  48
  35
  36 /**
  37  * DRC configurations are specified with a label and a set of register
  38  * values to write (the enable bits will be ignored).  At runtime an
  39  * enumerated control will be presented for each DRC block allowing
  40  * the user to choose the configration to use.
  41  *
  42  * Configurations may be generated by hand or by using the DRC control
  43  * panel provided by the WISCE - see  http://www.wolfsonmicro.com/wisce/
  44  * for details.
  45  */
  46 struct wm8994_drc_cfg {
  47         const char *name;
  48         u16 regs[WM8994_DRC_REGS];
  49 };
  50
  51 /**
  52  * ReTune Mobile configurations are specified with a label, sample
  53  * rate and set of values to write (the enable bits will be ignored).
  54  *
  55  * Configurations are expected to be generated using the ReTune Mobile
  56  * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
  57  */
  58 struct wm8994_retune_mobile_cfg {
  59         const char *name;
  60         unsigned int rate;
  61         u16 regs[WM8994_EQ_REGS];
  62 };
  63
  64 /**
  65  * Multiband compressor configurations are specified with a label and
  66  * two sets of values to write.  Configurations are expected to be
  67  * generated using the multiband compressor configuration panel in
  68  * WISCE - see http://www.wolfsonmicro.com/wisce/
  69  */
  70 struct wm8958_mbc_cfg {
  71         const char *name;
  72         u16 cutoff_regs[WM8958_MBC_CUTOFF_REGS];
  73         u16 coeff_regs[WM8958_MBC_COEFF_REGS];
  74 };
  75
  76 struct wm8994_pdata {
  77         int gpio_base;
  78
  79         /**
  80          * Default values for GPIOs if non-zero, WM8994_CONFIGURE_GPIO
  81          * can be used for all zero values.
  82          */
  83         int gpio_defaults[WM8994_NUM_GPIO];
  84
  85         struct wm8994_ldo_pdata ldo[WM8994_NUM_LDO];
  86
  87         int irq_base;  /** Base IRQ number for WM8994, required for IRQs */
  88
  89         int num_drc_cfgs;
  90         struct wm8994_drc_cfg *drc_cfgs;
  91
  92         int num_retune_mobile_cfgs;
  93         struct wm8994_retune_mobile_cfg *retune_mobile_cfgs;
  94
  95         int num_mbc_cfgs;
  96         struct wm8958_mbc_cfg *mbc_cfgs;
  97
  98         /* LINEOUT can be differential or single ended */
  99         unsigned int lineout1_diff:1;
 100         unsigned int lineout2_diff:1;
 101
 102         /* Common mode feedback */
 103         unsigned int lineout1fb:1;
 104         unsigned int lineout2fb:1;
 105
 106         /* IRQ for microphone detection if brought out directly as a
 107          * signal.
 108          */
 109         int micdet_irq;
 110
 111         /* Microphone biases: 0=0.9*AVDD1 1=0.65*AVVD1 */
 112         unsigned int micbias1_lvl:1;
 113         unsigned int micbias2_lvl:1;
 114
 115         /* Jack detect threashold levels, see datasheet for values */
 116         unsigned int jd_scthr:2;
 117         unsigned int jd_thr:2;
 118 };
 119
 120 #endif