linux/include/sound/wm8904.h
<<
>>
Prefs
   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 */
 134struct 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 */
 146struct wm8904_retune_mobile_cfg {
 147        const char *name;
 148        unsigned int rate;
 149        u16 regs[WM8904_EQ_REGS];
 150};
 151
 152struct 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
 164
lxr.linux.no kindly hosted by Redpill Linpro AS, provider of Linux consulting and operations services since 1995.