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
  14 #include <linux/init.h>
  15 #include <linux/module.h>
  16 #include <linux/version.h>
  17 #include <linux/kernel.h>
  18 #include <linux/device.h>
  19 #include <sound/core.h>
  20 #include <sound/pcm.h>
  21 #include <sound/ac97_codec.h>
  22 #include <sound/initval.h>
  23 #include <sound/soc.h>
  24 #include <sound/soc-dapm.h>
  25
  26 #define WM9712_VERSION "0.4"
  27
  28 static unsigned int ac97_read(struct snd_soc_codec *codec,
  29         unsigned int reg);
  30 static int ac97_write(struct snd_soc_codec *codec,
  31         unsigned int reg, unsigned int val);
  32
  33 /*
  34  * WM9712 register cache
  35  */
  36 static const u16 wm9712_reg[] = {
  37         0x6174, 0x8000, 0x8000, 0x8000, /*  6 */
  38         0x0f0f, 0xaaa0, 0xc008, 0x6808, /*  e */
  39         0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
  40         0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
  41         0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
  42         0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
  43         0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
  44         0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
  45         0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
  46         0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
  47         0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
  48         0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
  49         0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
  50         0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
  51         0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
  52         0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
  53         0x0000, 0x0000 /* virtual hp mixers */
  54 };
  55
  56 /* virtual HP mixers regs */
  57 #define HPL_MIXER       0x80
  58 #define HPR_MIXER       0x82
  59
  60 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
  61 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
  62 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
  63         "Mono"};
  64 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
  65 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
  66 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
  67 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
  68 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
  69         "Stereo"};
  70 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
  71         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
  72 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
  73 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
  74
  75 static const struct soc_enum wm9712_enum[] = {
  76 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
  77 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
  78 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
  79 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
  80 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
  81 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
  82 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
  83 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
  84 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
  85 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
  86 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
  87 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
  88 };
  89
  90 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
  91 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
  92 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
  93 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
  94 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
  95 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
  96
  97 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
  98 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
  99 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
 100 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
 101 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
 102 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
 103
 104 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
 105 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
 106 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
 107 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
 108 SOC_ENUM("ALC Function", wm9712_enum[0]),
 109 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
 110 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
 111 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
 112 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
 113 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
 114 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
 115
 116 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
 117 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
 118
 119 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
 120 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
 121 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
 122
 123 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
 124 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
 125 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
 126
 127 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
 128 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
 129 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
 130
 131 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
 132 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
 133
 134 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
 135 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
 136
 137 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
 138 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
 139 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
 140
 141 SOC_ENUM("Bass Control", wm9712_enum[5]),
 142 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
 143 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
 144 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
 145 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
 146 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
 147
 148 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
 149 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
 150 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
 151 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
 152
 153 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
 154 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
 155 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
 156 };
 157
 158 /* add non dapm controls */
 159 static int wm9712_add_controls(struct snd_soc_codec *codec)
 160 {
 161         int err, i;
 162
 163         for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) {
 164                 err = snd_ctl_add(codec->card,
 165                                   snd_soc_cnew(&wm9712_snd_ac97_controls[i],
 166                                                codec, NULL));
 167                 if (err < 0)
 168                         return err;
 169         }
 170         return 0;
 171 }
 172
 173 /* We have to create a fake left and right HP mixers because
 174  * the codec only has a single control that is shared by both channels.
 175  * This makes it impossible to determine the audio path.
 176  */
 177 static int mixer_event(struct snd_soc_dapm_widget *w,
 178         struct snd_kcontrol *k, int event)
 179 {
 180         u16 l, r, beep, line, phone, mic, pcm, aux;
 181
 182         l = ac97_read(w->codec, HPL_MIXER);
 183         r = ac97_read(w->codec, HPR_MIXER);
 184         beep = ac97_read(w->codec, AC97_PC_BEEP);
 185         mic = ac97_read(w->codec, AC97_VIDEO);
 186         phone = ac97_read(w->codec, AC97_PHONE);
 187         line = ac97_read(w->codec, AC97_LINE);
 188         pcm = ac97_read(w->codec, AC97_PCM);
 189         aux = ac97_read(w->codec, AC97_CD);
 190
 191         if (l & 0x1 || r & 0x1)
 192                 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
 193         else
 194                 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
 195
 196         if (l & 0x2 || r & 0x2)
 197                 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
 198         else
 199                 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
 200
 201         if (l & 0x4 || r & 0x4)
 202                 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
 203         else
 204                 ac97_write(w->codec, AC97_LINE, line | 0x8000);
 205
 206         if (l & 0x8 || r & 0x8)
 207                 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
 208         else
 209                 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
 210
 211         if (l & 0x10 || r & 0x10)
 212                 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
 213         else
 214                 ac97_write(w->codec, AC97_CD, aux | 0x8000);
 215
 216         if (l & 0x20 || r & 0x20)
 217                 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
 218         else
 219                 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
 220
 221         return 0;
 222 }
 223
 224 /* Left Headphone Mixers */
 225 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
 226         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
 227         SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
 228         SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
 229         SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
 230         SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
 231         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
 232 };
 233
 234 /* Right Headphone Mixers */
 235 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
 236         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
 237         SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
 238         SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
 239         SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
 240         SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
 241         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
 242 };
 243
 244 /* Speaker Mixer */
 245 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
 246         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
 247         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
 248         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
 249         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
 250         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
 251 };
 252
 253 /* Phone Mixer */
 254 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
 255         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
 256         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
 257         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
 258         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
 259         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
 260         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
 261 };
 262
 263 /* ALC headphone mux */
 264 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
 265 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
 266
 267 /* out 3 mux */
 268 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
 269 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
 270
 271 /* spk mux */
 272 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
 273 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
 274
 275 /* Capture to Phone mux */
 276 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
 277 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
 278
 279 /* Capture left select */
 280 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
 281 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
 282
 283 /* Capture right select */
 284 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
 285 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
 286
 287 /* Mic select */
 288 static const struct snd_kcontrol_new wm9712_mic_src_controls =
 289 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
 290
 291 /* diff select */
 292 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
 293 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
 294
 295 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
 296 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
 297         &wm9712_alc_mux_controls),
 298 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
 299         &wm9712_out3_mux_controls),
 300 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
 301         &wm9712_spk_mux_controls),
 302 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
 303         &wm9712_capture_phone_mux_controls),
 304 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
 305         &wm9712_capture_selectl_controls),
 306 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
 307         &wm9712_capture_selectr_controls),
 308 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
 309         &wm9712_mic_src_controls),
 310 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 311         &wm9712_diff_sel_controls),
 312 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 313 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 314         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
 315         mixer_event, SND_SOC_DAPM_POST_REG),
 316 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 317         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
 318          mixer_event, SND_SOC_DAPM_POST_REG),
 319 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 320         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 321 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 322         &wm9712_speaker_mixer_controls[0],
 323         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 324 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 325 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 326 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 327 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 328 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 329 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 330 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 331 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 332 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 333 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 334 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 335 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 336 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 337 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 338 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 339 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 340 SND_SOC_DAPM_OUTPUT("LOUT2"),
 341 SND_SOC_DAPM_OUTPUT("ROUT2"),
 342 SND_SOC_DAPM_OUTPUT("OUT3"),
 343 SND_SOC_DAPM_INPUT("LINEINL"),
 344 SND_SOC_DAPM_INPUT("LINEINR"),
 345 SND_SOC_DAPM_INPUT("PHONE"),
 346 SND_SOC_DAPM_INPUT("PCBEEP"),
 347 SND_SOC_DAPM_INPUT("MIC1"),
 348 SND_SOC_DAPM_INPUT("MIC2"),
 349 };
 350
 351 static const struct snd_soc_dapm_route audio_map[] = {
 352         /* virtual mixer - mixes left & right channels for spk and mono */
 353         {"AC97 Mixer", NULL, "Left DAC"},
 354         {"AC97 Mixer", NULL, "Right DAC"},
 355
 356         /* Left HP mixer */
 357         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 358         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 359         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 360         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 361         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 362         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 363         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 364
 365         /* Right HP mixer */
 366         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 367         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 368         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 369         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 370         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 371         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 372         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 373
 374         /* speaker mixer */
 375         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 376         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 377         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 378         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 379         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 380
 381         /* Phone mixer */
 382         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 383         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 384         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 385         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 386         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 387         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 388
 389         /* inputs */
 390         {"Line PGA", NULL, "LINEINL"},
 391         {"Line PGA", NULL, "LINEINR"},
 392         {"Phone PGA", NULL, "PHONE"},
 393         {"Mic PGA", NULL, "MIC1"},
 394         {"Mic PGA", NULL, "MIC2"},
 395
 396         /* left capture selector */
 397         {"Left Capture Select", "Mic", "MIC1"},
 398         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
 399         {"Left Capture Select", "Line", "LINEINL"},
 400         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
 401         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
 402         {"Left Capture Select", "Phone", "PHONE"},
 403
 404         /* right capture selector */
 405         {"Right Capture Select", "Mic", "MIC2"},
 406         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
 407         {"Right Capture Select", "Line", "LINEINR"},
 408         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
 409         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
 410         {"Right Capture Select", "Phone", "PHONE"},
 411
 412         /* ALC Sidetone */
 413         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
 414         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
 415         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
 416         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
 417
 418         /* ADC's */
 419         {"Left ADC", NULL, "Left Capture Select"},
 420         {"Right ADC", NULL, "Right Capture Select"},
 421
 422         /* outputs */
 423         {"MONOOUT", NULL, "Phone Mixer"},
 424         {"HPOUTL", NULL, "Headphone PGA"},
 425         {"Headphone PGA", NULL, "Left HP Mixer"},
 426         {"HPOUTR", NULL, "Headphone PGA"},
 427         {"Headphone PGA", NULL, "Right HP Mixer"},
 428
 429         /* mono hp mixer */
 430         {"Mono HP Mixer", NULL, "Left HP Mixer"},
 431         {"Mono HP Mixer", NULL, "Right HP Mixer"},
 432
 433         /* Out3 Mux */
 434         {"Out3 Mux", "Left", "Left HP Mixer"},
 435         {"Out3 Mux", "Mono", "Phone Mixer"},
 436         {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
 437         {"Out 3 PGA", NULL, "Out3 Mux"},
 438         {"OUT3", NULL, "Out 3 PGA"},
 439
 440         /* speaker Mux */
 441         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
 442         {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
 443         {"Speaker PGA", NULL, "Speaker Mux"},
 444         {"LOUT2", NULL, "Speaker PGA"},
 445         {"ROUT2", NULL, "Speaker PGA"},
 446 };
 447
 448 static int wm9712_add_widgets(struct snd_soc_codec *codec)
 449 {
 450         snd_soc_dapm_new_controls(codec, wm9712_dapm_widgets,
 451                                   ARRAY_SIZE(wm9712_dapm_widgets));
 452
 453         snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
 454
 455         snd_soc_dapm_new_widgets(codec);
 456         return 0;
 457 }
 458
 459 static unsigned int ac97_read(struct snd_soc_codec *codec,
 460         unsigned int reg)
 461 {
 462         u16 *cache = codec->reg_cache;
 463
 464         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 465                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 466                 reg == AC97_REC_GAIN)
 467                 return soc_ac97_ops.read(codec->ac97, reg);
 468         else {
 469                 reg = reg >> 1;
 470
 471                 if (reg > (ARRAY_SIZE(wm9712_reg)))
 472                         return -EIO;
 473
 474                 return cache[reg];
 475         }
 476 }
 477
 478 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 479         unsigned int val)
 480 {
 481         u16 *cache = codec->reg_cache;
 482
 483         soc_ac97_ops.write(codec->ac97, reg, val);
 484         reg = reg >> 1;
 485         if (reg <= (ARRAY_SIZE(wm9712_reg)))
 486                 cache[reg] = val;
 487
 488         return 0;
 489 }
 490
 491 static int ac97_prepare(struct snd_pcm_substream *substream)
 492 {
 493         struct snd_pcm_runtime *runtime = substream->runtime;
 494         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 495         struct snd_soc_device *socdev = rtd->socdev;
 496         struct snd_soc_codec *codec = socdev->codec;
 497         int reg;
 498         u16 vra;
 499
 500         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 501         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 502
 503         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 504                 reg = AC97_PCM_FRONT_DAC_RATE;
 505         else
 506                 reg = AC97_PCM_LR_ADC_RATE;
 507
 508         return ac97_write(codec, reg, runtime->rate);
 509 }
 510
 511 static int ac97_aux_prepare(struct snd_pcm_substream *substream)
 512 {
 513         struct snd_pcm_runtime *runtime = substream->runtime;
 514         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 515         struct snd_soc_device *socdev = rtd->socdev;
 516         struct snd_soc_codec *codec = socdev->codec;
 517         u16 vra, xsle;
 518
 519         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 520         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 521         xsle = ac97_read(codec, AC97_PCI_SID);
 522         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 523
 524         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 525                 return -ENODEV;
 526
 527         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 528 }
 529
 530 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 531                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
 532                 SNDRV_PCM_RATE_48000)
 533
 534 struct snd_soc_codec_dai wm9712_dai[] = {
 535 {
 536         .name = "AC97 HiFi",
 537         .type = SND_SOC_DAI_AC97_BUS,
 538         .playback = {
 539                 .stream_name = "HiFi Playback",
 540                 .channels_min = 1,
 541                 .channels_max = 2,
 542                 .rates = WM9712_AC97_RATES,
 543                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 544         .capture = {
 545                 .stream_name = "HiFi Capture",
 546                 .channels_min = 1,
 547                 .channels_max = 2,
 548                 .rates = WM9712_AC97_RATES,
 549                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 550         .ops = {
 551                 .prepare = ac97_prepare,},
 552 },
 553 {
 554         .name = "AC97 Aux",
 555         .playback = {
 556                 .stream_name = "Aux Playback",
 557                 .channels_min = 1,
 558                 .channels_max = 1,
 559                 .rates = WM9712_AC97_RATES,
 560                 .formats = SNDRV_PCM_FMTBIT_S16_LE,},
 561         .ops = {
 562                 .prepare = ac97_aux_prepare,},
 563 }
 564 };
 565 EXPORT_SYMBOL_GPL(wm9712_dai);
 566
 567 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
 568                                  enum snd_soc_bias_level level)
 569 {
 570         switch (level) {
 571         case SND_SOC_BIAS_ON:
 572         case SND_SOC_BIAS_PREPARE:
 573                 break;
 574         case SND_SOC_BIAS_STANDBY:
 575                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 576                 break;
 577         case SND_SOC_BIAS_OFF:
 578                 /* disable everything including AC link */
 579                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 580                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 581                 break;
 582         }
 583         codec->bias_level = level;
 584         return 0;
 585 }
 586
 587 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 588 {
 589         if (try_warm && soc_ac97_ops.warm_reset) {
 590                 soc_ac97_ops.warm_reset(codec->ac97);
 591                 if (!(ac97_read(codec, 0) & 0x8000))
 592                         return 1;
 593         }
 594
 595         soc_ac97_ops.reset(codec->ac97);
 596         if (ac97_read(codec, 0) & 0x8000)
 597                 goto err;
 598         return 0;
 599
 600 err:
 601         printk(KERN_ERR "WM9712 AC97 reset failed\n");
 602         return -EIO;
 603 }
 604
 605 static int wm9712_soc_suspend(struct platform_device *pdev,
 606         pm_message_t state)
 607 {
 608         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 609         struct snd_soc_codec *codec = socdev->codec;
 610
 611         wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
 612         return 0;
 613 }
 614
 615 static int wm9712_soc_resume(struct platform_device *pdev)
 616 {
 617         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 618         struct snd_soc_codec *codec = socdev->codec;
 619         int i, ret;
 620         u16 *cache = codec->reg_cache;
 621
 622         ret = wm9712_reset(codec, 1);
 623         if (ret < 0) {
 624                 printk(KERN_ERR "could not reset AC97 codec\n");
 625                 return ret;
 626         }
 627
 628         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 629
 630         if (ret == 0) {
 631                 /* Sync reg_cache with the hardware after cold reset */
 632                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
 633                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 634                             (i > 0x58 && i != 0x5c))
 635                                 continue;
 636                         soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
 637                 }
 638         }
 639
 640         if (codec->suspend_bias_level == SND_SOC_BIAS_ON)
 641                 wm9712_set_bias_level(codec, SND_SOC_BIAS_ON);
 642
 643         return ret;
 644 }
 645
 646 static int wm9712_soc_probe(struct platform_device *pdev)
 647 {
 648         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 649         struct snd_soc_codec *codec;
 650         int ret = 0;
 651
 652         printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
 653
 654         socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
 655         if (socdev->codec == NULL)
 656                 return -ENOMEM;
 657         codec = socdev->codec;
 658         mutex_init(&codec->mutex);
 659
 660         codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
 661
 662         if (codec->reg_cache == NULL) {
 663                 ret = -ENOMEM;
 664                 goto cache_err;
 665         }
 666         codec->reg_cache_size = sizeof(wm9712_reg);
 667         codec->reg_cache_step = 2;
 668
 669         codec->name = "WM9712";
 670         codec->owner = THIS_MODULE;
 671         codec->dai = wm9712_dai;
 672         codec->num_dai = ARRAY_SIZE(wm9712_dai);
 673         codec->write = ac97_write;
 674         codec->read = ac97_read;
 675         codec->set_bias_level = wm9712_set_bias_level;
 676         INIT_LIST_HEAD(&codec->dapm_widgets);
 677         INIT_LIST_HEAD(&codec->dapm_paths);
 678
 679         ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 680         if (ret < 0) {
 681                 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
 682                 goto codec_err;
 683         }
 684
 685         /* register pcms */
 686         ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
 687         if (ret < 0)
 688                 goto pcm_err;
 689
 690         ret = wm9712_reset(codec, 0);
 691         if (ret < 0) {
 692                 printk(KERN_ERR "AC97 link error\n");
 693                 goto reset_err;
 694         }
 695
 696         /* set alc mux to none */
 697         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 698
 699         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 700         wm9712_add_controls(codec);
 701         wm9712_add_widgets(codec);
 702         ret = snd_soc_register_card(socdev);
 703         if (ret < 0) {
 704                 printk(KERN_ERR "wm9712: failed to register card\n");
 705                 goto reset_err;
 706         }
 707
 708         return 0;
 709
 710 reset_err:
 711         snd_soc_free_pcms(socdev);
 712
 713 pcm_err:
 714         snd_soc_free_ac97_codec(codec);
 715
 716 codec_err:
 717         kfree(codec->reg_cache);
 718
 719 cache_err:
 720         kfree(socdev->codec);
 721         socdev->codec = NULL;
 722         return ret;
 723 }
 724
 725 static int wm9712_soc_remove(struct platform_device *pdev)
 726 {
 727         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 728         struct snd_soc_codec *codec = socdev->codec;
 729
 730         if (codec == NULL)
 731                 return 0;
 732
 733         snd_soc_dapm_free(socdev);
 734         snd_soc_free_pcms(socdev);
 735         snd_soc_free_ac97_codec(codec);
 736         kfree(codec->reg_cache);
 737         kfree(codec);
 738         return 0;
 739 }
 740
 741 struct snd_soc_codec_device soc_codec_dev_wm9712 = {
 742         .probe =        wm9712_soc_probe,
 743         .remove =       wm9712_soc_remove,
 744         .suspend =      wm9712_soc_suspend,
 745         .resume =       wm9712_soc_resume,
 746 };
 747 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
 748
 749 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 750 MODULE_AUTHOR("Liam Girdwood");
 751 MODULE_LICENSE("GPL");