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