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 /* Used to enable configuration of a GPIO to all zeros */
  19 #define WM8904_GPIO_NO_CONFIG 0x8000
  20
  21 /*
  22  * R6 (0x06) - Mic Bias Control 0
  23  */
  24 #define WM8904_MICDET_THR_MASK                  0x0070  /* MICDET_THR - [6:4] */
  25 #define WM8904_MICDET_THR_SHIFT                      4  /* MICDET_THR - [6:4] */
  26 #define WM8904_MICDET_THR_WIDTH                      3  /* MICDET_THR - [6:4] */
  27 #define WM8904_MICSHORT_THR_MASK                0x000C  /* MICSHORT_THR - [3:2] */
  28 #define WM8904_MICSHORT_THR_SHIFT                    2  /* MICSHORT_THR - [3:2] */
  29 #define WM8904_MICSHORT_THR_WIDTH                    2  /* MICSHORT_THR - [3:2] */
  30 #define WM8904_MICDET_ENA                       0x0002  /* MICDET_ENA */
  31 #define WM8904_MICDET_ENA_MASK                  0x0002  /* MICDET_ENA */
  32 #define WM8904_MICDET_ENA_SHIFT                      1  /* MICDET_ENA */
  33 #define WM8904_MICDET_ENA_WIDTH                      1  /* MICDET_ENA */
  34 #define WM8904_MICBIAS_ENA                      0x0001  /* MICBIAS_ENA */
  35 #define WM8904_MICBIAS_ENA_MASK                 0x0001  /* MICBIAS_ENA */
  36 #define WM8904_MICBIAS_ENA_SHIFT                     0  /* MICBIAS_ENA */
  37 #define WM8904_MICBIAS_ENA_WIDTH                     1  /* MICBIAS_ENA */
  38
  39 /*
  40  * R7 (0x07) - Mic Bias Control 1
  41  */
  42 #define WM8904_MIC_DET_FILTER_ENA               0x8000  /* MIC_DET_FILTER_ENA */
  43 #define WM8904_MIC_DET_FILTER_ENA_MASK          0x8000  /* MIC_DET_FILTER_ENA */
  44 #define WM8904_MIC_DET_FILTER_ENA_SHIFT             15  /* MIC_DET_FILTER_ENA */
  45 #define WM8904_MIC_DET_FILTER_ENA_WIDTH              1  /* MIC_DET_FILTER_ENA */
  46 #define WM8904_MIC_SHORT_FILTER_ENA             0x4000  /* MIC_SHORT_FILTER_ENA */
  47 #define WM8904_MIC_SHORT_FILTER_ENA_MASK        0x4000  /* MIC_SHORT_FILTER_ENA */
  48 #define WM8904_MIC_SHORT_FILTER_ENA_SHIFT           14  /* MIC_SHORT_FILTER_ENA */
  49 #define WM8904_MIC_SHORT_FILTER_ENA_WIDTH            1  /* MIC_SHORT_FILTER_ENA */
  50 #define WM8904_MICBIAS_SEL_MASK                 0x0007  /* MICBIAS_SEL - [2:0] */
  51 #define WM8904_MICBIAS_SEL_SHIFT                     0  /* MICBIAS_SEL - [2:0] */
  52 #define WM8904_MICBIAS_SEL_WIDTH                     3  /* MICBIAS_SEL - [2:0] */
  53
  54
  55 /*
  56  * R121 (0x79) - GPIO Control 1
  57  */
  58 #define WM8904_GPIO1_PU                         0x0020  /* GPIO1_PU */
  59 #define WM8904_GPIO1_PU_MASK                    0x0020  /* GPIO1_PU */
  60 #define WM8904_GPIO1_PU_SHIFT                        5  /* GPIO1_PU */
  61 #define WM8904_GPIO1_PU_WIDTH                        1  /* GPIO1_PU */
  62 #define WM8904_GPIO1_PD                         0x0010  /* GPIO1_PD */
  63 #define WM8904_GPIO1_PD_MASK                    0x0010  /* GPIO1_PD */
  64 #define WM8904_GPIO1_PD_SHIFT                        4  /* GPIO1_PD */
  65 #define WM8904_GPIO1_PD_WIDTH                        1  /* GPIO1_PD */
  66 #define WM8904_GPIO1_SEL_MASK                   0x000F  /* GPIO1_SEL - [3:0] */
  67 #define WM8904_GPIO1_SEL_SHIFT                       0  /* GPIO1_SEL - [3:0] */
  68 #define WM8904_GPIO1_SEL_WIDTH                       4  /* GPIO1_SEL - [3:0] */
  69
  70 /*
  71  * R122 (0x7A) - GPIO Control 2
  72  */
  73 #define WM8904_GPIO2_PU                         0x0020  /* GPIO2_PU */
  74 #define WM8904_GPIO2_PU_MASK                    0x0020  /* GPIO2_PU */
  75 #define WM8904_GPIO2_PU_SHIFT                        5  /* GPIO2_PU */
  76 #define WM8904_GPIO2_PU_WIDTH                        1  /* GPIO2_PU */
  77 #define WM8904_GPIO2_PD                         0x0010  /* GPIO2_PD */
  78 #define WM8904_GPIO2_PD_MASK                    0x0010  /* GPIO2_PD */
  79 #define WM8904_GPIO2_PD_SHIFT                        4  /* GPIO2_PD */
  80 #define WM8904_GPIO2_PD_WIDTH                        1  /* GPIO2_PD */
  81 #define WM8904_GPIO2_SEL_MASK                   0x000F  /* GPIO2_SEL - [3:0] */
  82 #define WM8904_GPIO2_SEL_SHIFT                       0  /* GPIO2_SEL - [3:0] */
  83 #define WM8904_GPIO2_SEL_WIDTH                       4  /* GPIO2_SEL - [3:0] */
  84
  85 /*
  86  * R123 (0x7B) - GPIO Control 3
  87  */
  88 #define WM8904_GPIO3_PU                         0x0020  /* GPIO3_PU */
  89 #define WM8904_GPIO3_PU_MASK                    0x0020  /* GPIO3_PU */
  90 #define WM8904_GPIO3_PU_SHIFT                        5  /* GPIO3_PU */
  91 #define WM8904_GPIO3_PU_WIDTH                        1  /* GPIO3_PU */
  92 #define WM8904_GPIO3_PD                         0x0010  /* GPIO3_PD */
  93 #define WM8904_GPIO3_PD_MASK                    0x0010  /* GPIO3_PD */
  94 #define WM8904_GPIO3_PD_SHIFT                        4  /* GPIO3_PD */
  95 #define WM8904_GPIO3_PD_WIDTH                        1  /* GPIO3_PD */
  96 #define WM8904_GPIO3_SEL_MASK                   0x000F  /* GPIO3_SEL - [3:0] */
  97 #define WM8904_GPIO3_SEL_SHIFT                       0  /* GPIO3_SEL - [3:0] */
  98 #define WM8904_GPIO3_SEL_WIDTH                       4  /* GPIO3_SEL - [3:0] */
  99
 100 /*
 101  * R124 (0x7C) - GPIO Control 4
 102  */
 103 #define WM8904_GPI7_ENA                         0x0200  /* GPI7_ENA */
 104 #define WM8904_GPI7_ENA_MASK                    0x0200  /* GPI7_ENA */
 105 #define WM8904_GPI7_ENA_SHIFT                        9  /* GPI7_ENA */
 106 #define WM8904_GPI7_ENA_WIDTH                        1  /* GPI7_ENA */
 107 #define WM8904_GPI8_ENA                         0x0100  /* GPI8_ENA */
 108 #define WM8904_GPI8_ENA_MASK                    0x0100  /* GPI8_ENA */
 109 #define WM8904_GPI8_ENA_SHIFT                        8  /* GPI8_ENA */
 110 #define WM8904_GPI8_ENA_WIDTH                        1  /* GPI8_ENA */
 111 #define WM8904_GPIO_BCLK_MODE_ENA               0x0080  /* GPIO_BCLK_MODE_ENA */
 112 #define WM8904_GPIO_BCLK_MODE_ENA_MASK          0x0080  /* GPIO_BCLK_MODE_ENA */
 113 #define WM8904_GPIO_BCLK_MODE_ENA_SHIFT              7  /* GPIO_BCLK_MODE_ENA */
 114 #define WM8904_GPIO_BCLK_MODE_ENA_WIDTH              1  /* GPIO_BCLK_MODE_ENA */
 115 #define WM8904_GPIO_BCLK_SEL_MASK               0x000F  /* GPIO_BCLK_SEL - [3:0] */
 116 #define WM8904_GPIO_BCLK_SEL_SHIFT                   0  /* GPIO_BCLK_SEL - [3:0] */
 117 #define WM8904_GPIO_BCLK_SEL_WIDTH                   4  /* GPIO_BCLK_SEL - [3:0] */
 118
 119 #define WM8904_MIC_REGS  2
 120 #define WM8904_GPIO_REGS 4
 121 #define WM8904_DRC_REGS  4
 122 #define WM8904_EQ_REGS   25
 123
 124 /**
 125  * DRC configurations are specified with a label and a set of register
 126  * values to write (the enable bits will be ignored).  At runtime an
 127  * enumerated control will be presented for each DRC block allowing
 128  * the user to choose the configration to use.
 129  *
 130  * Configurations may be generated by hand or by using the DRC control
 131  * panel provided by the WISCE - see  http://www.wolfsonmicro.com/wisce/
 132  * for details.
 133  */
 134 struct wm8904_drc_cfg {
 135         const char *name;
 136         u16 regs[WM8904_DRC_REGS];
 137 };
 138
 139 /**
 140  * ReTune Mobile configurations are specified with a label, sample
 141  * rate and set of values to write (the enable bits will be ignored).
 142  *
 143  * Configurations are expected to be generated using the ReTune Mobile
 144  * control panel in WISCE - see http://www.wolfsonmicro.com/wisce/
 145  */
 146 struct wm8904_retune_mobile_cfg {
 147         const char *name;
 148         unsigned int rate;
 149         u16 regs[WM8904_EQ_REGS];
 150 };
 151
 152 struct wm8904_pdata {
 153         int num_drc_cfgs;
 154         struct wm8904_drc_cfg *drc_cfgs;
 155
 156         int num_retune_mobile_cfgs;
 157         struct wm8904_retune_mobile_cfg *retune_mobile_cfgs;
 158
 159         u32 gpio_cfg[WM8904_GPIO_REGS];
 160         u32 mic_cfg[WM8904_MIC_REGS];
 161 };
 162
 163 #endif