sound/soc/codecs/wm9712.c

   1 /*
   2  * wm9712.c  --  ALSA Soc WM9712 codec support
   3  *
   4  * Copyright 2006 Wolfson Microelectronics PLC.
   5  * Author: Liam Girdwood
   6  *         liam.girdwood@wolfsonmicro.com or linux@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  *  Revision history
  14  *    4th Feb 2006   Initial version.
  15  */
  16
  17 #include <linux/init.h>
  18 #include <linux/module.h>
  19 #include <linux/version.h>
  20 #include <linux/kernel.h>
  21 #include <linux/device.h>
  22 #include <sound/driver.h>
  23 #include <sound/core.h>
  24 #include <sound/pcm.h>
  25 #include <sound/ac97_codec.h>
  26 #include <sound/initval.h>
  27 #include <sound/soc.h>
  28 #include <sound/soc-dapm.h>
  29
  30 #define WM9712_VERSION "0.4"
  31
  32 static unsigned int ac97_read(struct snd_soc_codec *codec,
  33         unsigned int reg);
  34 static int ac97_write(struct snd_soc_codec *codec,
  35         unsigned int reg, unsigned int val);
  36
  37 /*
  38  * WM9712 register cache
  39  */
  40 static const u16 wm9712_reg[] = {
  41         0x6174, 0x8000, 0x8000, 0x8000, // 6
  42         0x0f0f, 0xaaa0, 0xc008, 0x6808, // e
  43         0xe808, 0xaaa0, 0xad00, 0x8000, // 16
  44         0xe808, 0x3000, 0x8000, 0x0000, // 1e
  45         0x0000, 0x0000, 0x0000, 0x000f, // 26
  46         0x0405, 0x0410, 0xbb80, 0xbb80, // 2e
  47         0x0000, 0xbb80, 0x0000, 0x0000, // 36
  48         0x0000, 0x2000, 0x0000, 0x0000, // 3e
  49         0x0000, 0x0000, 0x0000, 0x0000, // 46
  50         0x0000, 0x0000, 0xf83e, 0xffff, // 4e
  51         0x0000, 0x0000, 0x0000, 0xf83e, // 56
  52         0x0008, 0x0000, 0x0000, 0x0000, // 5e
  53         0xb032, 0x3e00, 0x0000, 0x0000, // 66
  54         0x0000, 0x0000, 0x0000, 0x0000, // 6e
  55         0x0000, 0x0000, 0x0000, 0x0006, // 76
  56         0x0001, 0x0000, 0x574d, 0x4c12, // 7e
  57         0x0000, 0x0000 // virtual hp mixers
  58 };
  59
  60 /* virtual HP mixers regs */
  61 #define HPL_MIXER       0x80
  62 #define HPR_MIXER       0x82
  63
  64 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
  65 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
  66 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
  67         "Mono"};
  68 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
  69 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
  70 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
  71 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
  72 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
  73         "Stereo"};
  74 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
  75         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
  76 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
  77 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
  78
  79 static const struct soc_enum wm9712_enum[] = {
  80 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
  81 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
  82 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
  83 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
  84 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
  85 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
  86 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
  87 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
  88 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
  89 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
  90 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
  91 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
  92 };
  93
  94 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
  95 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
  96 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
  97 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
  98 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE,15, 1, 1),
  99 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
 100
 101 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
 102 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
 103 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
 104 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
 105 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 0),
 106
 107 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
 108 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
 109 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
 110 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
 111 SOC_ENUM("ALC Function", wm9712_enum[0]),
 112 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
 113 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
 114 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
 115 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
 116 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
 117 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
 118
 119 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
 120 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
 121
 122 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
 123 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
 124 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
 125
 126 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
 127 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
 128 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
 129
 130 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
 131 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
 132 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
 133
 134 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 0),
 135 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
 136
 137 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
 138 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
 139
 140 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
 141 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
 142 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
 143
 144 SOC_ENUM("Bass Control", wm9712_enum[5]),
 145 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
 146 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
 147 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
 148 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 0),
 149 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 0),
 150
 151 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
 152 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
 153 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
 154 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
 155
 156 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
 157 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
 158 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
 159 };
 160
 161 /* add non dapm controls */
 162 static int wm9712_add_controls(struct snd_soc_codec *codec)
 163 {
 164         int err, i;
 165
 166         for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) {
 167                 err = snd_ctl_add(codec->card,
 168                                 snd_soc_cnew(&wm9712_snd_ac97_controls[i],codec, NULL));
 169                 if (err < 0)
 170                         return err;
 171         }
 172         return 0;
 173 }
 174
 175 /* We have to create a fake left and right HP mixers because
 176  * the codec only has a single control that is shared by both channels.
 177  * This makes it impossible to determine the audio path.
 178  */
 179 static int mixer_event (struct snd_soc_dapm_widget *w, int event)
 180 {
 181         u16 l, r, beep, line, phone, mic, pcm, aux;
 182
 183         l = ac97_read(w->codec, HPL_MIXER);
 184         r = ac97_read(w->codec, HPR_MIXER);
 185         beep = ac97_read(w->codec, AC97_PC_BEEP);
 186         mic = ac97_read(w->codec, AC97_VIDEO);
 187         phone = ac97_read(w->codec, AC97_PHONE);
 188         line = ac97_read(w->codec, AC97_LINE);
 189         pcm = ac97_read(w->codec, AC97_PCM);
 190         aux = ac97_read(w->codec, AC97_CD);
 191
 192         if (l & 0x1 || r & 0x1)
 193                 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
 194         else
 195                 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
 196
 197         if (l & 0x2 || r & 0x2)
 198                 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
 199         else
 200                 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
 201
 202         if (l & 0x4 || r & 0x4)
 203                 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
 204         else
 205                 ac97_write(w->codec, AC97_LINE, line | 0x8000);
 206
 207         if (l & 0x8 || r & 0x8)
 208                 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
 209         else
 210                 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
 211
 212         if (l & 0x10 || r & 0x10)
 213                 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
 214         else
 215                 ac97_write(w->codec, AC97_CD, aux | 0x8000);
 216
 217         if (l & 0x20 || r & 0x20)
 218                 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
 219         else
 220                 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
 221
 222         return 0;
 223 }
 224
 225 /* Left Headphone Mixers */
 226 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
 227         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
 228         SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
 229         SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
 230         SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
 231         SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
 232         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
 233 };
 234
 235 /* Right Headphone Mixers */
 236 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
 237         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
 238         SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
 239         SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
 240         SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
 241         SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
 242         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
 243 };
 244
 245 /* Speaker Mixer */
 246 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
 247         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
 248         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
 249         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
 250         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
 251         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
 252 };
 253
 254 /* Phone Mixer */
 255 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
 256         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
 257         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
 258         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
 259         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
 260         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
 261         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
 262 };
 263
 264 /* ALC headphone mux */
 265 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
 266 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
 267
 268 /* out 3 mux */
 269 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
 270 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
 271
 272 /* spk mux */
 273 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
 274 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
 275
 276 /* Capture to Phone mux */
 277 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
 278 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
 279
 280 /* Capture left select */
 281 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
 282 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
 283
 284 /* Capture right select */
 285 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
 286 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
 287
 288 /* Mic select */
 289 static const struct snd_kcontrol_new wm9712_mic_src_controls =
 290 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
 291
 292 /* diff select */
 293 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
 294 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
 295
 296 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
 297 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
 298         &wm9712_alc_mux_controls),
 299 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
 300         &wm9712_out3_mux_controls),
 301 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
 302         &wm9712_spk_mux_controls),
 303 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
 304         &wm9712_capture_phone_mux_controls),
 305 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
 306         &wm9712_capture_selectl_controls),
 307 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
 308         &wm9712_capture_selectr_controls),
 309 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
 310         &wm9712_mic_src_controls),
 311 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 312         &wm9712_diff_sel_controls),
 313 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 314 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 315         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
 316         mixer_event, SND_SOC_DAPM_POST_REG),
 317 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 318         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
 319          mixer_event, SND_SOC_DAPM_POST_REG),
 320 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 321         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 322 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 323         &wm9712_speaker_mixer_controls[0],
 324         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 325 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 326 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 327 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 328 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 329 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 330 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 331 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 332 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 333 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 334 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 335 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 336 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 337 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 338 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 339 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 340 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 341 SND_SOC_DAPM_OUTPUT("LOUT2"),
 342 SND_SOC_DAPM_OUTPUT("ROUT2"),
 343 SND_SOC_DAPM_OUTPUT("OUT3"),
 344 SND_SOC_DAPM_INPUT("LINEINL"),
 345 SND_SOC_DAPM_INPUT("LINEINR"),
 346 SND_SOC_DAPM_INPUT("PHONE"),
 347 SND_SOC_DAPM_INPUT("PCBEEP"),
 348 SND_SOC_DAPM_INPUT("MIC1"),
 349 SND_SOC_DAPM_INPUT("MIC2"),
 350 };
 351
 352 static const char *audio_map[][3] = {
 353         /* virtual mixer - mixes left & right channels for spk and mono */
 354         {"AC97 Mixer", NULL, "Left DAC"},
 355         {"AC97 Mixer", NULL, "Right DAC"},
 356
 357         /* Left HP mixer */
 358         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 359         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 360         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 361         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 362         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 363         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 364         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 365         //{"Right HP Mixer", NULL, "HP Mixer"},
 366
 367         /* Right HP mixer */
 368         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 369         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 370         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 371         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 372         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 373         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 374         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 375
 376         /* speaker mixer */
 377         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 378         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 379         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 380         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 381         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 382
 383         /* Phone mixer */
 384         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 385         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 386         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 387         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 388         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 389         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 390
 391         /* inputs */
 392         {"Line PGA", NULL, "LINEINL"},
 393         {"Line PGA", NULL, "LINEINR"},
 394         {"Phone PGA", NULL, "PHONE"},
 395         {"Mic PGA", NULL, "MIC1"},
 396         {"Mic PGA", NULL, "MIC2"},
 397
 398         /* left capture selector */
 399         {"Left Capture Select", "Mic", "MIC1"},
 400         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
 401         {"Left Capture Select", "Line", "LINEINL"},
 402         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
 403         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
 404         {"Left Capture Select", "Phone", "PHONE"},
 405
 406         /* right capture selector */
 407         {"Right Capture Select", "Mic", "MIC2"},
 408         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
 409         {"Right Capture Select", "Line", "LINEINR"},
 410         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
 411         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
 412         {"Right Capture Select", "Phone", "PHONE"},
 413
 414         /* ALC Sidetone */
 415         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
 416         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
 417         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
 418         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
 419
 420         /* ADC's */
 421         {"Left ADC", NULL, "Left Capture Select"},
 422         {"Right ADC", NULL, "Right Capture Select"},
 423
 424         /* outputs */
 425         {"MONOOUT", NULL, "Phone Mixer"},
 426         {"HPOUTL", NULL, "Headphone PGA"},
 427         {"Headphone PGA", NULL, "Left HP Mixer"},
 428         {"HPOUTR", NULL, "Headphone PGA"},
 429         {"Headphone PGA", NULL, "Right HP Mixer"},
 430
 431         /* mono hp mixer */
 432         {"Mono HP Mixer", NULL, "Left HP Mixer"},
 433         {"Mono HP Mixer", NULL, "Right HP Mixer"},
 434
 435         /* Out3 Mux */
 436         {"Out3 Mux", "Left", "Left HP Mixer"},
 437         {"Out3 Mux", "Mono", "Phone Mixer"},
 438         {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
 439         {"Out 3 PGA", NULL, "Out3 Mux"},
 440         {"OUT3", NULL, "Out 3 PGA"},
 441
 442         /* speaker Mux */
 443         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
 444         {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
 445         {"Speaker PGA", NULL, "Speaker Mux"},
 446         {"LOUT2", NULL, "Speaker PGA"},
 447         {"ROUT2", NULL, "Speaker PGA"},
 448
 449         {NULL, NULL, NULL},
 450 };
 451
 452 static int wm9712_add_widgets(struct snd_soc_codec *codec)
 453 {
 454         int i;
 455
 456         for(i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) {
 457                 snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]);
 458         }
 459
 460         /* set up audio path audio_mapnects */
 461         for(i = 0; audio_map[i][0] != NULL; i++) {
 462                 snd_soc_dapm_connect_input(codec, audio_map[i][0],
 463                         audio_map[i][1], audio_map[i][2]);
 464         }
 465
 466         snd_soc_dapm_new_widgets(codec);
 467         return 0;
 468 }
 469
 470 static unsigned int ac97_read(struct snd_soc_codec *codec,
 471         unsigned int reg)
 472 {
 473         u16 *cache = codec->reg_cache;
 474
 475         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 476                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 477                 reg == AC97_REC_GAIN)
 478                 return soc_ac97_ops.read(codec->ac97, reg);
 479         else {
 480                 reg = reg >> 1;
 481
 482                 if (reg > (ARRAY_SIZE(wm9712_reg)))
 483                         return -EIO;
 484
 485                 return cache[reg];
 486         }
 487 }
 488
 489 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 490         unsigned int val)
 491 {
 492         u16 *cache = codec->reg_cache;
 493
 494         soc_ac97_ops.write(codec->ac97, reg, val);
 495         reg = reg >> 1;
 496         if (reg <= (ARRAY_SIZE(wm9712_reg)))
 497                 cache[reg] = val;
 498
 499         return 0;
 500 }
 501
 502 static int ac97_prepare(struct snd_pcm_substream *substream)
 503 {
 504         struct snd_pcm_runtime *runtime = substream->runtime;
 505         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 506         struct snd_soc_device *socdev = rtd->socdev;
 507         struct snd_soc_codec *codec = socdev->codec;
 508         int reg;
 509         u16 vra;
 510
 511         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 512         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 513
 514         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 515                 reg = AC97_PCM_FRONT_DAC_RATE;
 516         else
 517                 reg = AC97_PCM_LR_ADC_RATE;
 518
 519         return ac97_write(codec, reg, runtime->rate);
 520 }
 521
 522 static int ac97_aux_prepare(struct snd_pcm_substream *substream)
 523 {
 524         struct snd_pcm_runtime *runtime = substream->runtime;
 525         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 526         struct snd_soc_device *socdev = rtd->socdev;
 527         struct snd_soc_codec *codec = socdev->codec;
 528         u16 vra, xsle;
 529
 530         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 531         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 532         xsle = ac97_read(codec, AC97_PCI_SID);
 533         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 534
 535         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 536                 return -ENODEV;
 537
 538         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 539 }
 540
 541 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 542                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
 543
 544 struct snd_soc_codec_dai wm9712_dai[] = {
 545 {
 546         .name = "AC97 HiFi",
 547         .type = SND_SOC_DAI_AC97_BUS,
 548         .playback = {
 549                 .stream_name = "HiFi Playback",
 550                 .channels_min = 1,
 551                 .channels_max = 2,
 552                 .rates = WM9712_AC97_RATES,
 553                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 554         .capture = {
 555                 .stream_name = "HiFi Capture",
 556                 .channels_min = 1,
 557                 .channels_max = 2,
 558                 .rates = WM9712_AC97_RATES,
 559                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 560         .ops = {
 561                 .prepare = ac97_prepare,},
 562 },
 563 {
 564         .name = "AC97 Aux",
 565         .playback = {
 566                 .stream_name = "Aux Playback",
 567                 .channels_min = 1,
 568                 .channels_max = 1,
 569                 .rates = WM9712_AC97_RATES,
 570                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 571         .ops = {
 572                 .prepare = ac97_aux_prepare,},
 573 }
 574 };
 575 EXPORT_SYMBOL_GPL(wm9712_dai);
 576
 577 static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
 578 {
 579         u16 reg;
 580
 581         switch (event) {
 582         case SNDRV_CTL_POWER_D0: /* full On */
 583                 /* liam - maybe enable thermal shutdown */
 584                 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff;
 585                 ac97_write(codec, AC97_EXTENDED_MID, reg);
 586                 break;
 587         case SNDRV_CTL_POWER_D1: /* partial On */
 588         case SNDRV_CTL_POWER_D2: /* partial On */
 589                 break;
 590         case SNDRV_CTL_POWER_D3hot: /* Off, with power */
 591                 /* enable master bias and vmid */
 592                 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xbbff;
 593                 ac97_write(codec, AC97_EXTENDED_MID, reg);
 594                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 595                 break;
 596         case SNDRV_CTL_POWER_D3cold: /* Off, without power */
 597                 /* disable everything including AC link */
 598                 ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
 599                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 600                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 601                 break;
 602         }
 603         codec->dapm_state = event;
 604         return 0;
 605 }
 606
 607 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 608 {
 609         if (try_warm && soc_ac97_ops.warm_reset) {
 610                 soc_ac97_ops.warm_reset(codec->ac97);
 611                 if (!(ac97_read(codec, 0) & 0x8000))
 612                         return 1;
 613         }
 614
 615         soc_ac97_ops.reset(codec->ac97);
 616         if (ac97_read(codec, 0) & 0x8000)
 617                 goto err;
 618         return 0;
 619
 620 err:
 621         printk(KERN_ERR "WM9712 AC97 reset failed\n");
 622         return -EIO;
 623 }
 624
 625 static int wm9712_soc_suspend(struct platform_device *pdev,
 626         pm_message_t state)
 627 {
 628         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 629         struct snd_soc_codec *codec = socdev->codec;
 630
 631         wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
 632         return 0;
 633 }
 634
 635 static int wm9712_soc_resume(struct platform_device *pdev)
 636 {
 637         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 638         struct snd_soc_codec *codec = socdev->codec;
 639         int i, ret;
 640         u16 *cache = codec->reg_cache;
 641
 642         ret = wm9712_reset(codec, 1);
 643         if (ret < 0){
 644                 printk(KERN_ERR "could not reset AC97 codec\n");
 645                 return ret;
 646         }
 647
 648         wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
 649
 650         if (ret == 0) {
 651                 /* Sync reg_cache with the hardware after cold reset */
 652                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i+=2) {
 653                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 654                                 (i > 0x58 && i != 0x5c))
 655                                 continue;
 656                         soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
 657                 }
 658         }
 659
 660         if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
 661                 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0);
 662
 663         return ret;
 664 }
 665
 666 static int wm9712_soc_probe(struct platform_device *pdev)
 667 {
 668         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 669         struct snd_soc_codec *codec;
 670         int ret = 0;
 671
 672         printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
 673
 674         socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
 675         if (socdev->codec == NULL)
 676                 return -ENOMEM;
 677         codec = socdev->codec;
 678         mutex_init(&codec->mutex);
 679
 680         codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
 681
 682         if (codec->reg_cache == NULL) {
 683                 ret = -ENOMEM;
 684                 goto cache_err;
 685         }
 686         codec->reg_cache_size = sizeof(wm9712_reg);
 687         codec->reg_cache_step = 2;
 688
 689         codec->name = "WM9712";
 690         codec->owner = THIS_MODULE;
 691         codec->dai = wm9712_dai;
 692         codec->num_dai = ARRAY_SIZE(wm9712_dai);
 693         codec->write = ac97_write;
 694         codec->read = ac97_read;
 695         codec->dapm_event = wm9712_dapm_event;
 696         INIT_LIST_HEAD(&codec->dapm_widgets);
 697         INIT_LIST_HEAD(&codec->dapm_paths);
 698
 699         ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 700         if (ret < 0) {
 701                 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
 702                 goto codec_err;
 703         }
 704
 705         /* register pcms */
 706         ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
 707         if (ret < 0)
 708                 goto pcm_err;
 709
 710         ret = wm9712_reset(codec, 0);
 711         if (ret < 0) {
 712                 printk(KERN_ERR "AC97 link error\n");
 713                 goto reset_err;
 714         }
 715
 716         /* set alc mux to none */
 717         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 718
 719         wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
 720         wm9712_add_controls(codec);
 721         wm9712_add_widgets(codec);
 722         ret = snd_soc_register_card(socdev);
 723         if (ret < 0) {
 724                 printk(KERN_ERR "wm9712: failed to register card\n");
 725                 goto reset_err;
 726         }
 727
 728         return 0;
 729
 730 reset_err:
 731         snd_soc_free_pcms(socdev);
 732
 733 pcm_err:
 734         snd_soc_free_ac97_codec(codec);
 735
 736 codec_err:
 737         kfree(codec->reg_cache);
 738
 739 cache_err:
 740         kfree(socdev->codec);
 741         socdev->codec = NULL;
 742         return ret;
 743 }
 744
 745 static int wm9712_soc_remove(struct platform_device *pdev)
 746 {
 747         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 748         struct snd_soc_codec *codec = socdev->codec;
 749
 750         if (codec == NULL)
 751                 return 0;
 752
 753         snd_soc_dapm_free(socdev);
 754         snd_soc_free_pcms(socdev);
 755         snd_soc_free_ac97_codec(codec);
 756         kfree(codec->reg_cache);
 757         kfree(codec);
 758         return 0;
 759 }
 760
 761 struct snd_soc_codec_device soc_codec_dev_wm9712 = {
 762         .probe =        wm9712_soc_probe,
 763         .remove =       wm9712_soc_remove,
 764         .suspend =      wm9712_soc_suspend,
 765         .resume =       wm9712_soc_resume,
 766 };
 767
 768 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
 769
 770 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 771 MODULE_AUTHOR("Liam Girdwood");
 772 MODULE_LICENSE("GPL");