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