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 <lrg@slimlogic.co.uk>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  */
  12
  13 #include <linux/init.h>
  14 #include <linux/slab.h>
  15 #include <linux/module.h>
  16 #include <linux/kernel.h>
  17 #include <linux/device.h>
  18 #include <sound/core.h>
  19 #include <sound/pcm.h>
  20 #include <sound/ac97_codec.h>
  21 #include <sound/initval.h>
  22 #include <sound/soc.h>
  23 #include "wm9712.h"
  24
  25 #define WM9712_VERSION "0.4"
  26
  27 static unsigned int ac97_read(struct snd_soc_codec *codec,
  28         unsigned int reg);
  29 static int ac97_write(struct snd_soc_codec *codec,
  30         unsigned int reg, unsigned int val);
  31
  32 /*
  33  * WM9712 register cache
  34  */
  35 static const u16 wm9712_reg[] = {
  36         0x6174, 0x8000, 0x8000, 0x8000, /*  6 */
  37         0x0f0f, 0xaaa0, 0xc008, 0x6808, /*  e */
  38         0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
  39         0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
  40         0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
  41         0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
  42         0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
  43         0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
  44         0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
  45         0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
  46         0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
  47         0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
  48         0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
  49         0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
  50         0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
  51         0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
  52         0x0000, 0x0000 /* virtual hp mixers */
  53 };
  54
  55 /* virtual HP mixers regs */
  56 #define HPL_MIXER       0x80
  57 #define HPR_MIXER       0x82
  58
  59 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
  60 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
  61 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
  62         "Mono"};
  63 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
  64 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
  65 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
  66 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
  67 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
  68         "Stereo"};
  69 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
  70         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
  71 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
  72 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
  73
  74 static const struct soc_enum wm9712_enum[] = {
  75 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
  76 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
  77 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
  78 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
  79 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
  80 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
  81 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
  82 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
  83 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
  84 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
  85 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
  86 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
  87 };
  88
  89 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
  90 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
  91 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
  92 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
  93 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
  94 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
  95
  96 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
  97 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
  98 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
  99 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
 100 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
 101 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
 102
 103 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
 104 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
 105 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
 106 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
 107 SOC_ENUM("ALC Function", wm9712_enum[0]),
 108 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
 109 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
 110 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
 111 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
 112 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
 113 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
 114
 115 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
 116 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
 117
 118 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
 119 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
 120 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
 121
 122 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
 123 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
 124 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
 125
 126 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
 127 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
 128 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
 129
 130 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
 131 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
 132
 133 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
 134 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
 135
 136 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
 137 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
 138 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
 139
 140 SOC_ENUM("Bass Control", wm9712_enum[5]),
 141 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
 142 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
 143 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
 144 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
 145 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
 146
 147 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
 148 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
 149 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
 150 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
 151
 152 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
 153 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
 154 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
 155 };
 156
 157 /* We have to create a fake left and right HP mixers because
 158  * the codec only has a single control that is shared by both channels.
 159  * This makes it impossible to determine the audio path.
 160  */
 161 static int mixer_event(struct snd_soc_dapm_widget *w,
 162         struct snd_kcontrol *k, int event)
 163 {
 164         u16 l, r, beep, line, phone, mic, pcm, aux;
 165
 166         l = ac97_read(w->codec, HPL_MIXER);
 167         r = ac97_read(w->codec, HPR_MIXER);
 168         beep = ac97_read(w->codec, AC97_PC_BEEP);
 169         mic = ac97_read(w->codec, AC97_VIDEO);
 170         phone = ac97_read(w->codec, AC97_PHONE);
 171         line = ac97_read(w->codec, AC97_LINE);
 172         pcm = ac97_read(w->codec, AC97_PCM);
 173         aux = ac97_read(w->codec, AC97_CD);
 174
 175         if (l & 0x1 || r & 0x1)
 176                 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
 177         else
 178                 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
 179
 180         if (l & 0x2 || r & 0x2)
 181                 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
 182         else
 183                 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
 184
 185         if (l & 0x4 || r & 0x4)
 186                 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
 187         else
 188                 ac97_write(w->codec, AC97_LINE, line | 0x8000);
 189
 190         if (l & 0x8 || r & 0x8)
 191                 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
 192         else
 193                 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
 194
 195         if (l & 0x10 || r & 0x10)
 196                 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
 197         else
 198                 ac97_write(w->codec, AC97_CD, aux | 0x8000);
 199
 200         if (l & 0x20 || r & 0x20)
 201                 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
 202         else
 203                 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
 204
 205         return 0;
 206 }
 207
 208 /* Left Headphone Mixers */
 209 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
 210         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
 211         SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
 212         SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
 213         SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
 214         SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
 215         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
 216 };
 217
 218 /* Right Headphone Mixers */
 219 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
 220         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
 221         SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
 222         SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
 223         SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
 224         SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
 225         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
 226 };
 227
 228 /* Speaker Mixer */
 229 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
 230         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
 231         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
 232         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
 233         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
 234         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
 235 };
 236
 237 /* Phone Mixer */
 238 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
 239         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
 240         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
 241         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
 242         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
 243         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
 244         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
 245 };
 246
 247 /* ALC headphone mux */
 248 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
 249 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
 250
 251 /* out 3 mux */
 252 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
 253 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
 254
 255 /* spk mux */
 256 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
 257 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
 258
 259 /* Capture to Phone mux */
 260 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
 261 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
 262
 263 /* Capture left select */
 264 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
 265 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
 266
 267 /* Capture right select */
 268 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
 269 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
 270
 271 /* Mic select */
 272 static const struct snd_kcontrol_new wm9712_mic_src_controls =
 273 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
 274
 275 /* diff select */
 276 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
 277 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
 278
 279 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
 280 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
 281         &wm9712_alc_mux_controls),
 282 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
 283         &wm9712_out3_mux_controls),
 284 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
 285         &wm9712_spk_mux_controls),
 286 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
 287         &wm9712_capture_phone_mux_controls),
 288 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
 289         &wm9712_capture_selectl_controls),
 290 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
 291         &wm9712_capture_selectr_controls),
 292 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
 293         &wm9712_mic_src_controls),
 294 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 295         &wm9712_diff_sel_controls),
 296 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 297 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 298         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
 299         mixer_event, SND_SOC_DAPM_POST_REG),
 300 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 301         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
 302          mixer_event, SND_SOC_DAPM_POST_REG),
 303 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 304         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 305 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 306         &wm9712_speaker_mixer_controls[0],
 307         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 308 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 309 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 310 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 311 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 312 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 313 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 314 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 315 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 316 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 317 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 318 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 319 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 320 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 321 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 322 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 323 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 324 SND_SOC_DAPM_OUTPUT("LOUT2"),
 325 SND_SOC_DAPM_OUTPUT("ROUT2"),
 326 SND_SOC_DAPM_OUTPUT("OUT3"),
 327 SND_SOC_DAPM_INPUT("LINEINL"),
 328 SND_SOC_DAPM_INPUT("LINEINR"),
 329 SND_SOC_DAPM_INPUT("PHONE"),
 330 SND_SOC_DAPM_INPUT("PCBEEP"),
 331 SND_SOC_DAPM_INPUT("MIC1"),
 332 SND_SOC_DAPM_INPUT("MIC2"),
 333 };
 334
 335 static const struct snd_soc_dapm_route wm9712_audio_map[] = {
 336         /* virtual mixer - mixes left & right channels for spk and mono */
 337         {"AC97 Mixer", NULL, "Left DAC"},
 338         {"AC97 Mixer", NULL, "Right DAC"},
 339
 340         /* Left HP mixer */
 341         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 342         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 343         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 344         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 345         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 346         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 347         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 348
 349         /* Right HP mixer */
 350         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 351         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 352         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 353         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 354         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 355         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 356         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 357
 358         /* speaker mixer */
 359         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 360         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 361         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 362         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 363         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 364
 365         /* Phone mixer */
 366         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 367         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 368         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 369         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 370         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 371         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 372
 373         /* inputs */
 374         {"Line PGA", NULL, "LINEINL"},
 375         {"Line PGA", NULL, "LINEINR"},
 376         {"Phone PGA", NULL, "PHONE"},
 377         {"Mic PGA", NULL, "MIC1"},
 378         {"Mic PGA", NULL, "MIC2"},
 379
 380         /* left capture selector */
 381         {"Left Capture Select", "Mic", "MIC1"},
 382         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
 383         {"Left Capture Select", "Line", "LINEINL"},
 384         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
 385         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
 386         {"Left Capture Select", "Phone", "PHONE"},
 387
 388         /* right capture selector */
 389         {"Right Capture Select", "Mic", "MIC2"},
 390         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
 391         {"Right Capture Select", "Line", "LINEINR"},
 392         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
 393         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
 394         {"Right Capture Select", "Phone", "PHONE"},
 395
 396         /* ALC Sidetone */
 397         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
 398         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
 399         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
 400         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
 401
 402         /* ADC's */
 403         {"Left ADC", NULL, "Left Capture Select"},
 404         {"Right ADC", NULL, "Right Capture Select"},
 405
 406         /* outputs */
 407         {"MONOOUT", NULL, "Phone Mixer"},
 408         {"HPOUTL", NULL, "Headphone PGA"},
 409         {"Headphone PGA", NULL, "Left HP Mixer"},
 410         {"HPOUTR", NULL, "Headphone PGA"},
 411         {"Headphone PGA", NULL, "Right HP Mixer"},
 412
 413         /* mono mixer */
 414         {"Mono Mixer", NULL, "Left HP Mixer"},
 415         {"Mono Mixer", NULL, "Right HP Mixer"},
 416
 417         /* Out3 Mux */
 418         {"Out3 Mux", "Left", "Left HP Mixer"},
 419         {"Out3 Mux", "Mono", "Phone Mixer"},
 420         {"Out3 Mux", "Left + Right", "Mono Mixer"},
 421         {"Out 3 PGA", NULL, "Out3 Mux"},
 422         {"OUT3", NULL, "Out 3 PGA"},
 423
 424         /* speaker Mux */
 425         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
 426         {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
 427         {"Speaker PGA", NULL, "Speaker Mux"},
 428         {"LOUT2", NULL, "Speaker PGA"},
 429         {"ROUT2", NULL, "Speaker PGA"},
 430 };
 431
 432 static unsigned int ac97_read(struct snd_soc_codec *codec,
 433         unsigned int reg)
 434 {
 435         u16 *cache = codec->reg_cache;
 436
 437         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 438                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 439                 reg == AC97_REC_GAIN)
 440                 return soc_ac97_ops.read(codec->ac97, reg);
 441         else {
 442                 reg = reg >> 1;
 443
 444                 if (reg >= (ARRAY_SIZE(wm9712_reg)))
 445                         return -EIO;
 446
 447                 return cache[reg];
 448         }
 449 }
 450
 451 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 452         unsigned int val)
 453 {
 454         u16 *cache = codec->reg_cache;
 455
 456         if (reg < 0x7c)
 457                 soc_ac97_ops.write(codec->ac97, reg, val);
 458         reg = reg >> 1;
 459         if (reg < (ARRAY_SIZE(wm9712_reg)))
 460                 cache[reg] = val;
 461
 462         return 0;
 463 }
 464
 465 static int ac97_prepare(struct snd_pcm_substream *substream,
 466                         struct snd_soc_dai *dai)
 467 {
 468         struct snd_pcm_runtime *runtime = substream->runtime;
 469         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 470         struct snd_soc_codec *codec =rtd->codec;
 471         int reg;
 472         u16 vra;
 473
 474         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 475         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 476
 477         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 478                 reg = AC97_PCM_FRONT_DAC_RATE;
 479         else
 480                 reg = AC97_PCM_LR_ADC_RATE;
 481
 482         return ac97_write(codec, reg, runtime->rate);
 483 }
 484
 485 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
 486                             struct snd_soc_dai *dai)
 487 {
 488         struct snd_pcm_runtime *runtime = substream->runtime;
 489         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 490         struct snd_soc_codec *codec = rtd->codec;
 491         u16 vra, xsle;
 492
 493         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 494         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 495         xsle = ac97_read(codec, AC97_PCI_SID);
 496         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 497
 498         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 499                 return -ENODEV;
 500
 501         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 502 }
 503
 504 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 505                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
 506                 SNDRV_PCM_RATE_48000)
 507
 508 static struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
 509         .prepare        = ac97_prepare,
 510 };
 511
 512 static struct snd_soc_dai_ops wm9712_dai_ops_aux = {
 513         .prepare        = ac97_aux_prepare,
 514 };
 515
 516 static struct snd_soc_dai_driver wm9712_dai[] = {
 517 {
 518         .name = "wm9712-hifi",
 519         .ac97_control = 1,
 520         .playback = {
 521                 .stream_name = "HiFi Playback",
 522                 .channels_min = 1,
 523                 .channels_max = 2,
 524                 .rates = WM9712_AC97_RATES,
 525                 .formats = SND_SOC_STD_AC97_FMTS,},
 526         .capture = {
 527                 .stream_name = "HiFi Capture",
 528                 .channels_min = 1,
 529                 .channels_max = 2,
 530                 .rates = WM9712_AC97_RATES,
 531                 .formats = SND_SOC_STD_AC97_FMTS,},
 532         .ops = &wm9712_dai_ops_hifi,
 533 },
 534 {
 535         .name = "wm9712-aux",
 536         .playback = {
 537                 .stream_name = "Aux Playback",
 538                 .channels_min = 1,
 539                 .channels_max = 1,
 540                 .rates = WM9712_AC97_RATES,
 541                 .formats = SND_SOC_STD_AC97_FMTS,},
 542         .ops = &wm9712_dai_ops_aux,
 543 }
 544 };
 545
 546 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
 547                                  enum snd_soc_bias_level level)
 548 {
 549         switch (level) {
 550         case SND_SOC_BIAS_ON:
 551         case SND_SOC_BIAS_PREPARE:
 552                 break;
 553         case SND_SOC_BIAS_STANDBY:
 554                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 555                 break;
 556         case SND_SOC_BIAS_OFF:
 557                 /* disable everything including AC link */
 558                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 559                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 560                 break;
 561         }
 562         codec->dapm.bias_level = level;
 563         return 0;
 564 }
 565
 566 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 567 {
 568         if (try_warm && soc_ac97_ops.warm_reset) {
 569                 soc_ac97_ops.warm_reset(codec->ac97);
 570                 if (ac97_read(codec, 0) == wm9712_reg[0])
 571                         return 1;
 572         }
 573
 574         soc_ac97_ops.reset(codec->ac97);
 575         if (soc_ac97_ops.warm_reset)
 576                 soc_ac97_ops.warm_reset(codec->ac97);
 577         if (ac97_read(codec, 0) != wm9712_reg[0])
 578                 goto err;
 579         return 0;
 580
 581 err:
 582         printk(KERN_ERR "WM9712 AC97 reset failed\n");
 583         return -EIO;
 584 }
 585
 586 static int wm9712_soc_suspend(struct snd_soc_codec *codec,
 587         pm_message_t state)
 588 {
 589         wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
 590         return 0;
 591 }
 592
 593 static int wm9712_soc_resume(struct snd_soc_codec *codec)
 594 {
 595         int i, ret;
 596         u16 *cache = codec->reg_cache;
 597
 598         ret = wm9712_reset(codec, 1);
 599         if (ret < 0) {
 600                 printk(KERN_ERR "could not reset AC97 codec\n");
 601                 return ret;
 602         }
 603
 604         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 605
 606         if (ret == 0) {
 607                 /* Sync reg_cache with the hardware after cold reset */
 608                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
 609                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 610                             (i > 0x58 && i != 0x5c))
 611                                 continue;
 612                         soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
 613                 }
 614         }
 615
 616         return ret;
 617 }
 618
 619 static int wm9712_soc_probe(struct snd_soc_codec *codec)
 620 {
 621         int ret = 0;
 622
 623         printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
 624
 625         ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 626         if (ret < 0) {
 627                 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
 628                 return ret;
 629         }
 630
 631         ret = wm9712_reset(codec, 0);
 632         if (ret < 0) {
 633                 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
 634                 goto reset_err;
 635         }
 636
 637         /* set alc mux to none */
 638         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 639
 640         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 641         snd_soc_add_controls(codec, wm9712_snd_ac97_controls,
 642                                 ARRAY_SIZE(wm9712_snd_ac97_controls));
 643
 644         return 0;
 645
 646 reset_err:
 647         snd_soc_free_ac97_codec(codec);
 648         return ret;
 649 }
 650
 651 static int wm9712_soc_remove(struct snd_soc_codec *codec)
 652 {
 653         snd_soc_free_ac97_codec(codec);
 654         return 0;
 655 }
 656
 657 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
 658         .probe =        wm9712_soc_probe,
 659         .remove =       wm9712_soc_remove,
 660         .suspend =      wm9712_soc_suspend,
 661         .resume =       wm9712_soc_resume,
 662         .read = ac97_read,
 663         .write = ac97_write,
 664         .set_bias_level = wm9712_set_bias_level,
 665         .reg_cache_size = ARRAY_SIZE(wm9712_reg),
 666         .reg_word_size = sizeof(u16),
 667         .reg_cache_step = 2,
 668         .reg_cache_default = wm9712_reg,
 669         .dapm_widgets = wm9712_dapm_widgets,
 670         .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
 671         .dapm_routes = wm9712_audio_map,
 672         .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
 673 };
 674
 675 static __devinit int wm9712_probe(struct platform_device *pdev)
 676 {
 677         return snd_soc_register_codec(&pdev->dev,
 678                         &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
 679 }
 680
 681 static int __devexit wm9712_remove(struct platform_device *pdev)
 682 {
 683         snd_soc_unregister_codec(&pdev->dev);
 684         return 0;
 685 }
 686
 687 static struct platform_driver wm9712_codec_driver = {
 688         .driver = {
 689                         .name = "wm9712-codec",
 690                         .owner = THIS_MODULE,
 691         },
 692
 693         .probe = wm9712_probe,
 694         .remove = __devexit_p(wm9712_remove),
 695 };
 696
 697 static int __init wm9712_init(void)
 698 {
 699         return platform_driver_register(&wm9712_codec_driver);
 700 }
 701 module_init(wm9712_init);
 702
 703 static void __exit wm9712_exit(void)
 704 {
 705         platform_driver_unregister(&wm9712_codec_driver);
 706 }
 707 module_exit(wm9712_exit);
 708
 709 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 710 MODULE_AUTHOR("Liam Girdwood");
 711 MODULE_LICENSE("GPL");