sound/soc/codecs/wm8741.h

   1 /*
   2  * wm8741.h  --  WM8423 ASoC driver
   3  *
   4  * Copyright 2010 Wolfson Microelectronics, plc
   5  *
   6  * Author: Ian Lartey <ian@opensource.wolfsonmicro.com>
   7  *
   8  * Based on wm8753.h
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  */
  14
  15 #ifndef _WM8741_H
  16 #define _WM8741_H
  17
  18 /*
  19  * Register values.
  20  */
  21 #define WM8741_DACLLSB_ATTENUATION              0x00
  22 #define WM8741_DACLMSB_ATTENUATION              0x01
  23 #define WM8741_DACRLSB_ATTENUATION              0x02
  24 #define WM8741_DACRMSB_ATTENUATION              0x03
  25 #define WM8741_VOLUME_CONTROL                   0x04
  26 #define WM8741_FORMAT_CONTROL                   0x05
  27 #define WM8741_FILTER_CONTROL                   0x06
  28 #define WM8741_MODE_CONTROL_1                   0x07
  29 #define WM8741_MODE_CONTROL_2                   0x08
  30 #define WM8741_RESET                            0x09
  31 #define WM8741_ADDITIONAL_CONTROL_1             0x20
  32
  33 #define WM8741_REGISTER_COUNT                   11
  34 #define WM8741_MAX_REGISTER                     0x20
  35
  36 /*
  37  * Field Definitions.
  38  */
  39
  40 /*
  41  * R0 (0x00) - DACLLSB_ATTENUATION
  42  */
  43 #define WM8741_UPDATELL                         0x0020  /* UPDATELL */
  44 #define WM8741_UPDATELL_MASK                    0x0020  /* UPDATELL */
  45 #define WM8741_UPDATELL_SHIFT                        5  /* UPDATELL */
  46 #define WM8741_UPDATELL_WIDTH                        1  /* UPDATELL */
  47 #define WM8741_LAT_4_0_MASK                     0x001F  /* LAT[4:0] - [4:0] */
  48 #define WM8741_LAT_4_0_SHIFT                         0  /* LAT[4:0] - [4:0] */
  49 #define WM8741_LAT_4_0_WIDTH                         5  /* LAT[4:0] - [4:0] */
  50
  51 /*
  52  * R1 (0x01) - DACLMSB_ATTENUATION
  53  */
  54 #define WM8741_UPDATELM                         0x0020  /* UPDATELM */
  55 #define WM8741_UPDATELM_MASK                    0x0020  /* UPDATELM */
  56 #define WM8741_UPDATELM_SHIFT                        5  /* UPDATELM */
  57 #define WM8741_UPDATELM_WIDTH                        1  /* UPDATELM */
  58 #define WM8741_LAT_9_5_0_MASK                   0x001F  /* LAT[9:5] - [4:0] */
  59 #define WM8741_LAT_9_5_0_SHIFT                       0  /* LAT[9:5] - [4:0] */
  60 #define WM8741_LAT_9_5_0_WIDTH                       5  /* LAT[9:5] - [4:0] */
  61
  62 /*
  63  * R2 (0x02) - DACRLSB_ATTENUATION
  64  */
  65 #define WM8741_UPDATERL                         0x0020  /* UPDATERL */
  66 #define WM8741_UPDATERL_MASK                    0x0020  /* UPDATERL */
  67 #define WM8741_UPDATERL_SHIFT                        5  /* UPDATERL */
  68 #define WM8741_UPDATERL_WIDTH                        1  /* UPDATERL */
  69 #define WM8741_RAT_4_0_MASK                     0x001F  /* RAT[4:0] - [4:0] */
  70 #define WM8741_RAT_4_0_SHIFT                         0  /* RAT[4:0] - [4:0] */
  71 #define WM8741_RAT_4_0_WIDTH                         5  /* RAT[4:0] - [4:0] */
  72
  73 /*
  74  * R3 (0x03) - DACRMSB_ATTENUATION
  75  */
  76 #define WM8741_UPDATERM                         0x0020  /* UPDATERM */
  77 #define WM8741_UPDATERM_MASK                    0x0020  /* UPDATERM */
  78 #define WM8741_UPDATERM_SHIFT                        5  /* UPDATERM */
  79 #define WM8741_UPDATERM_WIDTH                        1  /* UPDATERM */
  80 #define WM8741_RAT_9_5_0_MASK                   0x001F  /* RAT[9:5] - [4:0] */
  81 #define WM8741_RAT_9_5_0_SHIFT                       0  /* RAT[9:5] - [4:0] */
  82 #define WM8741_RAT_9_5_0_WIDTH                       5  /* RAT[9:5] - [4:0] */
  83
  84 /*
  85  * R4 (0x04) - VOLUME_CONTROL
  86  */
  87 #define WM8741_AMUTE                            0x0080  /* AMUTE */
  88 #define WM8741_AMUTE_MASK                       0x0080  /* AMUTE */
  89 #define WM8741_AMUTE_SHIFT                           7  /* AMUTE */
  90 #define WM8741_AMUTE_WIDTH                           1  /* AMUTE */
  91 #define WM8741_ZFLAG_MASK                       0x0060  /* ZFLAG - [6:5] */
  92 #define WM8741_ZFLAG_SHIFT                           5  /* ZFLAG - [6:5] */
  93 #define WM8741_ZFLAG_WIDTH                           2  /* ZFLAG - [6:5] */
  94 #define WM8741_IZD                              0x0010  /* IZD */
  95 #define WM8741_IZD_MASK                         0x0010  /* IZD */
  96 #define WM8741_IZD_SHIFT                             4  /* IZD */
  97 #define WM8741_IZD_WIDTH                             1  /* IZD */
  98 #define WM8741_SOFT                             0x0008  /* SOFT MUTE */
  99 #define WM8741_SOFT_MASK                        0x0008  /* SOFT MUTE */
 100 #define WM8741_SOFT_SHIFT                            3  /* SOFT MUTE */
 101 #define WM8741_SOFT_WIDTH                            1  /* SOFT MUTE */
 102 #define WM8741_ATC                              0x0004  /* ATC */
 103 #define WM8741_ATC_MASK                         0x0004  /* ATC */
 104 #define WM8741_ATC_SHIFT                             2  /* ATC */
 105 #define WM8741_ATC_WIDTH                             1  /* ATC */
 106 #define WM8741_ATT2DB                           0x0002  /* ATT2DB */
 107 #define WM8741_ATT2DB_MASK                      0x0002  /* ATT2DB */
 108 #define WM8741_ATT2DB_SHIFT                          1  /* ATT2DB */
 109 #define WM8741_ATT2DB_WIDTH                          1  /* ATT2DB */
 110 #define WM8741_VOL_RAMP                         0x0001  /* VOL_RAMP */
 111 #define WM8741_VOL_RAMP_MASK                    0x0001  /* VOL_RAMP */
 112 #define WM8741_VOL_RAMP_SHIFT                        0  /* VOL_RAMP */
 113 #define WM8741_VOL_RAMP_WIDTH                        1  /* VOL_RAMP */
 114
 115 /*
 116  * R5 (0x05) - FORMAT_CONTROL
 117  */
 118 #define WM8741_PWDN                             0x0080  /* PWDN */
 119 #define WM8741_PWDN_MASK                        0x0080  /* PWDN */
 120 #define WM8741_PWDN_SHIFT                            7  /* PWDN */
 121 #define WM8741_PWDN_WIDTH                            1  /* PWDN */
 122 #define WM8741_REV                              0x0040  /* REV */
 123 #define WM8741_REV_MASK                         0x0040  /* REV */
 124 #define WM8741_REV_SHIFT                             6  /* REV */
 125 #define WM8741_REV_WIDTH                             1  /* REV */
 126 #define WM8741_BCP                              0x0020  /* BCP */
 127 #define WM8741_BCP_MASK                         0x0020  /* BCP */
 128 #define WM8741_BCP_SHIFT                             5  /* BCP */
 129 #define WM8741_BCP_WIDTH                             1  /* BCP */
 130 #define WM8741_LRP                              0x0010  /* LRP */
 131 #define WM8741_LRP_MASK                         0x0010  /* LRP */
 132 #define WM8741_LRP_SHIFT                             4  /* LRP */
 133 #define WM8741_LRP_WIDTH                             1  /* LRP */
 134 #define WM8741_FMT_MASK                         0x000C  /* FMT - [3:2] */
 135 #define WM8741_FMT_SHIFT                             2  /* FMT - [3:2] */
 136 #define WM8741_FMT_WIDTH                             2  /* FMT - [3:2] */
 137 #define WM8741_IWL_MASK                         0x0003  /* IWL - [1:0] */
 138 #define WM8741_IWL_SHIFT                             0  /* IWL - [1:0] */
 139 #define WM8741_IWL_WIDTH                             2  /* IWL - [1:0] */
 140
 141 /*
 142  * R6 (0x06) - FILTER_CONTROL
 143  */
 144 #define WM8741_ZFLAG_HI                         0x0080  /* ZFLAG_HI */
 145 #define WM8741_ZFLAG_HI_MASK                    0x0080  /* ZFLAG_HI */
 146 #define WM8741_ZFLAG_HI_SHIFT                        7  /* ZFLAG_HI */
 147 #define WM8741_ZFLAG_HI_WIDTH                        1  /* ZFLAG_HI */
 148 #define WM8741_DEEMPH_MASK                      0x0060  /* DEEMPH - [6:5] */
 149 #define WM8741_DEEMPH_SHIFT                          5  /* DEEMPH - [6:5] */
 150 #define WM8741_DEEMPH_WIDTH                          2  /* DEEMPH - [6:5] */
 151 #define WM8741_DSDFILT_MASK                     0x0018  /* DSDFILT - [4:3] */
 152 #define WM8741_DSDFILT_SHIFT                         3  /* DSDFILT - [4:3] */
 153 #define WM8741_DSDFILT_WIDTH                         2  /* DSDFILT - [4:3] */
 154 #define WM8741_FIRSEL_MASK                      0x0007  /* FIRSEL - [2:0] */
 155 #define WM8741_FIRSEL_SHIFT                          0  /* FIRSEL - [2:0] */
 156 #define WM8741_FIRSEL_WIDTH                          3  /* FIRSEL - [2:0] */
 157
 158 /*
 159  * R7 (0x07) - MODE_CONTROL_1
 160  */
 161 #define WM8741_MODE8X                           0x0080  /* MODE8X */
 162 #define WM8741_MODE8X_MASK                      0x0080  /* MODE8X */
 163 #define WM8741_MODE8X_SHIFT                          7  /* MODE8X */
 164 #define WM8741_MODE8X_WIDTH                          1  /* MODE8X */
 165 #define WM8741_OSR_MASK                         0x0060  /* OSR - [6:5] */
 166 #define WM8741_OSR_SHIFT                             5  /* OSR - [6:5] */
 167 #define WM8741_OSR_WIDTH                             2  /* OSR - [6:5] */
 168 #define WM8741_SR_MASK                          0x001C  /* SR - [4:2] */
 169 #define WM8741_SR_SHIFT                              2  /* SR - [4:2] */
 170 #define WM8741_SR_WIDTH                              3  /* SR - [4:2] */
 171 #define WM8741_MODESEL_MASK                     0x0003  /* MODESEL - [1:0] */
 172 #define WM8741_MODESEL_SHIFT                         0  /* MODESEL - [1:0] */
 173 #define WM8741_MODESEL_WIDTH                         2  /* MODESEL - [1:0] */
 174
 175 /*
 176  * R8 (0x08) - MODE_CONTROL_2
 177  */
 178 #define WM8741_DSD_GAIN                         0x0040  /* DSD_GAIN */
 179 #define WM8741_DSD_GAIN_MASK                    0x0040  /* DSD_GAIN */
 180 #define WM8741_DSD_GAIN_SHIFT                        6  /* DSD_GAIN */
 181 #define WM8741_DSD_GAIN_WIDTH                        1  /* DSD_GAIN */
 182 #define WM8741_SDOUT                            0x0020  /* SDOUT */
 183 #define WM8741_SDOUT_MASK                       0x0020  /* SDOUT */
 184 #define WM8741_SDOUT_SHIFT                           5  /* SDOUT */
 185 #define WM8741_SDOUT_WIDTH                           1  /* SDOUT */
 186 #define WM8741_DOUT                             0x0010  /* DOUT */
 187 #define WM8741_DOUT_MASK                        0x0010  /* DOUT */
 188 #define WM8741_DOUT_SHIFT                            4  /* DOUT */
 189 #define WM8741_DOUT_WIDTH                            1  /* DOUT */
 190 #define WM8741_DIFF_MASK                        0x000C  /* DIFF - [3:2] */
 191 #define WM8741_DIFF_SHIFT                            2  /* DIFF - [3:2] */
 192 #define WM8741_DIFF_WIDTH                            2  /* DIFF - [3:2] */
 193 #define WM8741_DITHER_MASK                      0x0003  /* DITHER - [1:0] */
 194 #define WM8741_DITHER_SHIFT                          0  /* DITHER - [1:0] */
 195 #define WM8741_DITHER_WIDTH                          2  /* DITHER - [1:0] */
 196
 197 /* DIFF field values */
 198 #define WM8741_DIFF_MODE_STEREO                      0  /* stereo normal */
 199 #define WM8741_DIFF_MODE_STEREO_REVERSED             2  /* stereo reversed */
 200 #define WM8741_DIFF_MODE_MONO_LEFT                   1  /* mono left */
 201 #define WM8741_DIFF_MODE_MONO_RIGHT                  3  /* mono right */
 202
 203 /*
 204  * R32 (0x20) - ADDITONAL_CONTROL_1
 205  */
 206 #define WM8741_DSD_LEVEL                        0x0002  /* DSD_LEVEL */
 207 #define WM8741_DSD_LEVEL_MASK                   0x0002  /* DSD_LEVEL */
 208 #define WM8741_DSD_LEVEL_SHIFT                       1  /* DSD_LEVEL */
 209 #define WM8741_DSD_LEVEL_WIDTH                       1  /* DSD_LEVEL */
 210 #define WM8741_DSD_NO_NOTCH                     0x0001  /* DSD_NO_NOTCH */
 211 #define WM8741_DSD_NO_NOTCH_MASK                0x0001  /* DSD_NO_NOTCH */
 212 #define WM8741_DSD_NO_NOTCH_SHIFT                    0  /* DSD_NO_NOTCH */
 213 #define WM8741_DSD_NO_NOTCH_WIDTH                    1  /* DSD_NO_NOTCH */
 214
 215 #define  WM8741_SYSCLK 0
 216
 217 struct wm8741_platform_data {
 218         u32 diff_mode;   /* Differential Output Mode */
 219 };
 220
 221 #endif