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 /* 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 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 int wm9712_add_widgets(struct snd_soc_codec *codec)
 433 {
 434         snd_soc_dapm_new_controls(codec, wm9712_dapm_widgets,
 435                                   ARRAY_SIZE(wm9712_dapm_widgets));
 436
 437         snd_soc_dapm_add_routes(codec, audio_map, ARRAY_SIZE(audio_map));
 438
 439         return 0;
 440 }
 441
 442 static unsigned int ac97_read(struct snd_soc_codec *codec,
 443         unsigned int reg)
 444 {
 445         u16 *cache = codec->reg_cache;
 446
 447         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 448                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 449                 reg == AC97_REC_GAIN)
 450                 return soc_ac97_ops.read(codec->ac97, reg);
 451         else {
 452                 reg = reg >> 1;
 453
 454                 if (reg >= (ARRAY_SIZE(wm9712_reg)))
 455                         return -EIO;
 456
 457                 return cache[reg];
 458         }
 459 }
 460
 461 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 462         unsigned int val)
 463 {
 464         u16 *cache = codec->reg_cache;
 465
 466         if (reg < 0x7c)
 467                 soc_ac97_ops.write(codec->ac97, reg, val);
 468         reg = reg >> 1;
 469         if (reg < (ARRAY_SIZE(wm9712_reg)))
 470                 cache[reg] = val;
 471
 472         return 0;
 473 }
 474
 475 static int ac97_prepare(struct snd_pcm_substream *substream,
 476                         struct snd_soc_dai *dai)
 477 {
 478         struct snd_pcm_runtime *runtime = substream->runtime;
 479         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 480         struct snd_soc_device *socdev = rtd->socdev;
 481         struct snd_soc_codec *codec = socdev->card->codec;
 482         int reg;
 483         u16 vra;
 484
 485         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 486         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 487
 488         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 489                 reg = AC97_PCM_FRONT_DAC_RATE;
 490         else
 491                 reg = AC97_PCM_LR_ADC_RATE;
 492
 493         return ac97_write(codec, reg, runtime->rate);
 494 }
 495
 496 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
 497                             struct snd_soc_dai *dai)
 498 {
 499         struct snd_pcm_runtime *runtime = substream->runtime;
 500         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 501         struct snd_soc_device *socdev = rtd->socdev;
 502         struct snd_soc_codec *codec = socdev->card->codec;
 503         u16 vra, xsle;
 504
 505         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 506         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 507         xsle = ac97_read(codec, AC97_PCI_SID);
 508         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 509
 510         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 511                 return -ENODEV;
 512
 513         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 514 }
 515
 516 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 517                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
 518                 SNDRV_PCM_RATE_48000)
 519
 520 static struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
 521         .prepare        = ac97_prepare,
 522 };
 523
 524 static struct snd_soc_dai_ops wm9712_dai_ops_aux = {
 525         .prepare        = ac97_aux_prepare,
 526 };
 527
 528 struct snd_soc_dai wm9712_dai[] = {
 529 {
 530         .name = "AC97 HiFi",
 531         .ac97_control = 1,
 532         .playback = {
 533                 .stream_name = "HiFi Playback",
 534                 .channels_min = 1,
 535                 .channels_max = 2,
 536                 .rates = WM9712_AC97_RATES,
 537                 .formats = SND_SOC_STD_AC97_FMTS,},
 538         .capture = {
 539                 .stream_name = "HiFi Capture",
 540                 .channels_min = 1,
 541                 .channels_max = 2,
 542                 .rates = WM9712_AC97_RATES,
 543                 .formats = SND_SOC_STD_AC97_FMTS,},
 544         .ops = &wm9712_dai_ops_hifi,
 545 },
 546 {
 547         .name = "AC97 Aux",
 548         .playback = {
 549                 .stream_name = "Aux Playback",
 550                 .channels_min = 1,
 551                 .channels_max = 1,
 552                 .rates = WM9712_AC97_RATES,
 553                 .formats = SND_SOC_STD_AC97_FMTS,},
 554         .ops = &wm9712_dai_ops_aux,
 555 }
 556 };
 557 EXPORT_SYMBOL_GPL(wm9712_dai);
 558
 559 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
 560                                  enum snd_soc_bias_level level)
 561 {
 562         switch (level) {
 563         case SND_SOC_BIAS_ON:
 564         case SND_SOC_BIAS_PREPARE:
 565                 break;
 566         case SND_SOC_BIAS_STANDBY:
 567                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 568                 break;
 569         case SND_SOC_BIAS_OFF:
 570                 /* disable everything including AC link */
 571                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 572                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 573                 break;
 574         }
 575         codec->bias_level = level;
 576         return 0;
 577 }
 578
 579 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 580 {
 581         if (try_warm && soc_ac97_ops.warm_reset) {
 582                 soc_ac97_ops.warm_reset(codec->ac97);
 583                 if (ac97_read(codec, 0) == wm9712_reg[0])
 584                         return 1;
 585         }
 586
 587         soc_ac97_ops.reset(codec->ac97);
 588         if (soc_ac97_ops.warm_reset)
 589                 soc_ac97_ops.warm_reset(codec->ac97);
 590         if (ac97_read(codec, 0) != wm9712_reg[0])
 591                 goto err;
 592         return 0;
 593
 594 err:
 595         printk(KERN_ERR "WM9712 AC97 reset failed\n");
 596         return -EIO;
 597 }
 598
 599 static int wm9712_soc_suspend(struct platform_device *pdev,
 600         pm_message_t state)
 601 {
 602         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 603         struct snd_soc_codec *codec = socdev->card->codec;
 604
 605         wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
 606         return 0;
 607 }
 608
 609 static int wm9712_soc_resume(struct platform_device *pdev)
 610 {
 611         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 612         struct snd_soc_codec *codec = socdev->card->codec;
 613         int i, ret;
 614         u16 *cache = codec->reg_cache;
 615
 616         ret = wm9712_reset(codec, 1);
 617         if (ret < 0) {
 618                 printk(KERN_ERR "could not reset AC97 codec\n");
 619                 return ret;
 620         }
 621
 622         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 623
 624         if (ret == 0) {
 625                 /* Sync reg_cache with the hardware after cold reset */
 626                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
 627                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 628                             (i > 0x58 && i != 0x5c))
 629                                 continue;
 630                         soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
 631                 }
 632         }
 633
 634         if (codec->suspend_bias_level == SND_SOC_BIAS_ON)
 635                 wm9712_set_bias_level(codec, SND_SOC_BIAS_ON);
 636
 637         return ret;
 638 }
 639
 640 static int wm9712_soc_probe(struct platform_device *pdev)
 641 {
 642         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 643         struct snd_soc_codec *codec;
 644         int ret = 0;
 645
 646         printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
 647
 648         socdev->card->codec = kzalloc(sizeof(struct snd_soc_codec),
 649                                       GFP_KERNEL);
 650         if (socdev->card->codec == NULL)
 651                 return -ENOMEM;
 652         codec = socdev->card->codec;
 653         mutex_init(&codec->mutex);
 654
 655         codec->reg_cache = kmemdup(wm9712_reg, sizeof(wm9712_reg), GFP_KERNEL);
 656
 657         if (codec->reg_cache == NULL) {
 658                 ret = -ENOMEM;
 659                 goto cache_err;
 660         }
 661         codec->reg_cache_size = sizeof(wm9712_reg);
 662         codec->reg_cache_step = 2;
 663
 664         codec->name = "WM9712";
 665         codec->owner = THIS_MODULE;
 666         codec->dai = wm9712_dai;
 667         codec->num_dai = ARRAY_SIZE(wm9712_dai);
 668         codec->write = ac97_write;
 669         codec->read = ac97_read;
 670         codec->set_bias_level = wm9712_set_bias_level;
 671         INIT_LIST_HEAD(&codec->dapm_widgets);
 672         INIT_LIST_HEAD(&codec->dapm_paths);
 673
 674         ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 675         if (ret < 0) {
 676                 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
 677                 goto codec_err;
 678         }
 679
 680         /* register pcms */
 681         ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
 682         if (ret < 0)
 683                 goto pcm_err;
 684
 685         ret = wm9712_reset(codec, 0);
 686         if (ret < 0) {
 687                 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
 688                 goto reset_err;
 689         }
 690
 691         /* set alc mux to none */
 692         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 693
 694         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 695         snd_soc_add_controls(codec, wm9712_snd_ac97_controls,
 696                                 ARRAY_SIZE(wm9712_snd_ac97_controls));
 697         wm9712_add_widgets(codec);
 698
 699         return 0;
 700
 701 reset_err:
 702         snd_soc_free_pcms(socdev);
 703 pcm_err:
 704         snd_soc_free_ac97_codec(codec);
 705
 706 codec_err:
 707         kfree(codec->reg_cache);
 708
 709 cache_err:
 710         kfree(socdev->card->codec);
 711         socdev->card->codec = NULL;
 712         return ret;
 713 }
 714
 715 static int wm9712_soc_remove(struct platform_device *pdev)
 716 {
 717         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 718         struct snd_soc_codec *codec = socdev->card->codec;
 719
 720         if (codec == NULL)
 721                 return 0;
 722
 723         snd_soc_dapm_free(socdev);
 724         snd_soc_free_pcms(socdev);
 725         snd_soc_free_ac97_codec(codec);
 726         kfree(codec->reg_cache);
 727         kfree(codec);
 728         return 0;
 729 }
 730
 731 struct snd_soc_codec_device soc_codec_dev_wm9712 = {
 732         .probe =        wm9712_soc_probe,
 733         .remove =       wm9712_soc_remove,
 734         .suspend =      wm9712_soc_suspend,
 735         .resume =       wm9712_soc_resume,
 736 };
 737 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
 738
 739 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 740 MODULE_AUTHOR("Liam Girdwood");
 741 MODULE_LICENSE("GPL");