sound/soc/codecs/wm9712.c

   1 /*
   2  * wm9712.c  --  ALSA Soc WM9712 codec support
   3  *
   4  * Copyright 2006 Wolfson Microelectronics PLC.
   5  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  */
  12
  13 #include <linux/init.h>
  14 #include <linux/slab.h>
  15 #include <linux/module.h>
  16 #include <linux/kernel.h>
  17 #include <linux/device.h>
  18 #include <sound/core.h>
  19 #include <sound/pcm.h>
  20 #include <sound/ac97_codec.h>
  21 #include <sound/initval.h>
  22 #include <sound/soc.h>
  23 #include <sound/tlv.h>
  24 #include "wm9712.h"
  25
  26 static unsigned int ac97_read(struct snd_soc_codec *codec,
  27         unsigned int reg);
  28 static int ac97_write(struct snd_soc_codec *codec,
  29         unsigned int reg, unsigned int val);
  30
  31 /*
  32  * WM9712 register cache
  33  */
  34 static const u16 wm9712_reg[] = {
  35         0x6174, 0x8000, 0x8000, 0x8000, /*  6 */
  36         0x0f0f, 0xaaa0, 0xc008, 0x6808, /*  e */
  37         0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
  38         0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
  39         0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
  40         0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
  41         0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
  42         0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
  43         0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
  44         0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
  45         0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
  46         0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
  47         0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
  48         0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
  49         0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
  50         0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
  51         0x0000, 0x0000 /* virtual hp mixers */
  52 };
  53
  54 /* virtual HP mixers regs */
  55 #define HPL_MIXER       0x80
  56 #define HPR_MIXER       0x82
  57
  58 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
  59 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
  60 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
  61         "Mono"};
  62 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
  63 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
  64 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
  65 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
  66 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
  67         "Stereo"};
  68 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
  69         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
  70 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
  71 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
  72
  73 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
  74 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0);
  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_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
 155 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
 156 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
 157 };
 158
 159 /* We have to create a fake left and right HP mixers because
 160  * the codec only has a single control that is shared by both channels.
 161  * This makes it impossible to determine the audio path.
 162  */
 163 static int mixer_event(struct snd_soc_dapm_widget *w,
 164         struct snd_kcontrol *k, int event)
 165 {
 166         u16 l, r, beep, line, phone, mic, pcm, aux;
 167
 168         l = ac97_read(w->codec, HPL_MIXER);
 169         r = ac97_read(w->codec, HPR_MIXER);
 170         beep = ac97_read(w->codec, AC97_PC_BEEP);
 171         mic = ac97_read(w->codec, AC97_VIDEO);
 172         phone = ac97_read(w->codec, AC97_PHONE);
 173         line = ac97_read(w->codec, AC97_LINE);
 174         pcm = ac97_read(w->codec, AC97_PCM);
 175         aux = ac97_read(w->codec, AC97_CD);
 176
 177         if (l & 0x1 || r & 0x1)
 178                 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
 179         else
 180                 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
 181
 182         if (l & 0x2 || r & 0x2)
 183                 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
 184         else
 185                 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
 186
 187         if (l & 0x4 || r & 0x4)
 188                 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
 189         else
 190                 ac97_write(w->codec, AC97_LINE, line | 0x8000);
 191
 192         if (l & 0x8 || r & 0x8)
 193                 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
 194         else
 195                 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
 196
 197         if (l & 0x10 || r & 0x10)
 198                 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
 199         else
 200                 ac97_write(w->codec, AC97_CD, aux | 0x8000);
 201
 202         if (l & 0x20 || r & 0x20)
 203                 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
 204         else
 205                 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
 206
 207         return 0;
 208 }
 209
 210 /* Left Headphone Mixers */
 211 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
 212         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
 213         SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
 214         SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
 215         SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
 216         SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
 217         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
 218 };
 219
 220 /* Right Headphone Mixers */
 221 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
 222         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
 223         SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
 224         SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
 225         SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
 226         SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
 227         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
 228 };
 229
 230 /* Speaker Mixer */
 231 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
 232         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
 233         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
 234         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
 235         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
 236         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
 237 };
 238
 239 /* Phone Mixer */
 240 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
 241         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
 242         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
 243         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
 244         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
 245         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
 246         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
 247 };
 248
 249 /* ALC headphone mux */
 250 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
 251 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
 252
 253 /* out 3 mux */
 254 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
 255 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
 256
 257 /* spk mux */
 258 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
 259 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
 260
 261 /* Capture to Phone mux */
 262 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
 263 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
 264
 265 /* Capture left select */
 266 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
 267 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
 268
 269 /* Capture right select */
 270 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
 271 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
 272
 273 /* Mic select */
 274 static const struct snd_kcontrol_new wm9712_mic_src_controls =
 275 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
 276
 277 /* diff select */
 278 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
 279 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
 280
 281 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
 282 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
 283         &wm9712_alc_mux_controls),
 284 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
 285         &wm9712_out3_mux_controls),
 286 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
 287         &wm9712_spk_mux_controls),
 288 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
 289         &wm9712_capture_phone_mux_controls),
 290 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
 291         &wm9712_capture_selectl_controls),
 292 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
 293         &wm9712_capture_selectr_controls),
 294 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
 295         &wm9712_mic_src_controls),
 296 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 297         &wm9712_diff_sel_controls),
 298 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 299 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 300         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
 301         mixer_event, SND_SOC_DAPM_POST_REG),
 302 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 303         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
 304          mixer_event, SND_SOC_DAPM_POST_REG),
 305 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 306         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 307 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 308         &wm9712_speaker_mixer_controls[0],
 309         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 310 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 311 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 312 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 313 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 314 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 315 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 316 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 317 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 318 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 319 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 320 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 321 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 322 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 323 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 324 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 325 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 326 SND_SOC_DAPM_OUTPUT("LOUT2"),
 327 SND_SOC_DAPM_OUTPUT("ROUT2"),
 328 SND_SOC_DAPM_OUTPUT("OUT3"),
 329 SND_SOC_DAPM_INPUT("LINEINL"),
 330 SND_SOC_DAPM_INPUT("LINEINR"),
 331 SND_SOC_DAPM_INPUT("PHONE"),
 332 SND_SOC_DAPM_INPUT("PCBEEP"),
 333 SND_SOC_DAPM_INPUT("MIC1"),
 334 SND_SOC_DAPM_INPUT("MIC2"),
 335 };
 336
 337 static const struct snd_soc_dapm_route wm9712_audio_map[] = {
 338         /* virtual mixer - mixes left & right channels for spk and mono */
 339         {"AC97 Mixer", NULL, "Left DAC"},
 340         {"AC97 Mixer", NULL, "Right DAC"},
 341
 342         /* Left HP mixer */
 343         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 344         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 345         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 346         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 347         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 348         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 349         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 350
 351         /* Right HP mixer */
 352         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 353         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 354         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 355         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 356         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 357         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 358         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 359
 360         /* speaker mixer */
 361         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 362         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 363         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 364         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 365         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 366
 367         /* Phone mixer */
 368         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 369         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 370         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 371         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 372         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 373         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 374
 375         /* inputs */
 376         {"Line PGA", NULL, "LINEINL"},
 377         {"Line PGA", NULL, "LINEINR"},
 378         {"Phone PGA", NULL, "PHONE"},
 379         {"Mic PGA", NULL, "MIC1"},
 380         {"Mic PGA", NULL, "MIC2"},
 381
 382         /* left capture selector */
 383         {"Left Capture Select", "Mic", "MIC1"},
 384         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
 385         {"Left Capture Select", "Line", "LINEINL"},
 386         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
 387         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
 388         {"Left Capture Select", "Phone", "PHONE"},
 389
 390         /* right capture selector */
 391         {"Right Capture Select", "Mic", "MIC2"},
 392         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
 393         {"Right Capture Select", "Line", "LINEINR"},
 394         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
 395         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
 396         {"Right Capture Select", "Phone", "PHONE"},
 397
 398         /* ALC Sidetone */
 399         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
 400         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
 401         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
 402         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
 403
 404         /* ADC's */
 405         {"Left ADC", NULL, "Left Capture Select"},
 406         {"Right ADC", NULL, "Right Capture Select"},
 407
 408         /* outputs */
 409         {"MONOOUT", NULL, "Phone Mixer"},
 410         {"HPOUTL", NULL, "Headphone PGA"},
 411         {"Headphone PGA", NULL, "Left HP Mixer"},
 412         {"HPOUTR", NULL, "Headphone PGA"},
 413         {"Headphone PGA", NULL, "Right HP Mixer"},
 414
 415         /* mono mixer */
 416         {"Mono Mixer", NULL, "Left HP Mixer"},
 417         {"Mono Mixer", NULL, "Right HP Mixer"},
 418
 419         /* Out3 Mux */
 420         {"Out3 Mux", "Left", "Left HP Mixer"},
 421         {"Out3 Mux", "Mono", "Phone Mixer"},
 422         {"Out3 Mux", "Left + Right", "Mono Mixer"},
 423         {"Out 3 PGA", NULL, "Out3 Mux"},
 424         {"OUT3", NULL, "Out 3 PGA"},
 425
 426         /* speaker Mux */
 427         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
 428         {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
 429         {"Speaker PGA", NULL, "Speaker Mux"},
 430         {"LOUT2", NULL, "Speaker PGA"},
 431         {"ROUT2", NULL, "Speaker PGA"},
 432 };
 433
 434 static unsigned int ac97_read(struct snd_soc_codec *codec,
 435         unsigned int reg)
 436 {
 437         u16 *cache = codec->reg_cache;
 438
 439         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 440                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 441                 reg == AC97_REC_GAIN)
 442                 return soc_ac97_ops.read(codec->ac97, reg);
 443         else {
 444                 reg = reg >> 1;
 445
 446                 if (reg >= (ARRAY_SIZE(wm9712_reg)))
 447                         return -EIO;
 448
 449                 return cache[reg];
 450         }
 451 }
 452
 453 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 454         unsigned int val)
 455 {
 456         u16 *cache = codec->reg_cache;
 457
 458         if (reg < 0x7c)
 459                 soc_ac97_ops.write(codec->ac97, reg, val);
 460         reg = reg >> 1;
 461         if (reg < (ARRAY_SIZE(wm9712_reg)))
 462                 cache[reg] = val;
 463
 464         return 0;
 465 }
 466
 467 static int ac97_prepare(struct snd_pcm_substream *substream,
 468                         struct snd_soc_dai *dai)
 469 {
 470         struct snd_soc_codec *codec = dai->codec;
 471         int reg;
 472         u16 vra;
 473         struct snd_pcm_runtime *runtime = substream->runtime;
 474
 475         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 476         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 477
 478         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 479                 reg = AC97_PCM_FRONT_DAC_RATE;
 480         else
 481                 reg = AC97_PCM_LR_ADC_RATE;
 482
 483         return ac97_write(codec, reg, runtime->rate);
 484 }
 485
 486 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
 487                             struct snd_soc_dai *dai)
 488 {
 489         struct snd_soc_codec *codec = dai->codec;
 490         u16 vra, xsle;
 491         struct snd_pcm_runtime *runtime = substream->runtime;
 492
 493         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 494         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 495         xsle = ac97_read(codec, AC97_PCI_SID);
 496         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 497
 498         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 499                 return -ENODEV;
 500
 501         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 502 }
 503
 504 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 505                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
 506                 SNDRV_PCM_RATE_48000)
 507
 508 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
 509         .prepare        = ac97_prepare,
 510 };
 511
 512 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
 513         .prepare        = ac97_aux_prepare,
 514 };
 515
 516 static struct snd_soc_dai_driver wm9712_dai[] = {
 517 {
 518         .name = "wm9712-hifi",
 519         .ac97_control = 1,
 520         .playback = {
 521                 .stream_name = "HiFi Playback",
 522                 .channels_min = 1,
 523                 .channels_max = 2,
 524                 .rates = WM9712_AC97_RATES,
 525                 .formats = SND_SOC_STD_AC97_FMTS,},
 526         .capture = {
 527                 .stream_name = "HiFi Capture",
 528                 .channels_min = 1,
 529                 .channels_max = 2,
 530                 .rates = WM9712_AC97_RATES,
 531                 .formats = SND_SOC_STD_AC97_FMTS,},
 532         .ops = &wm9712_dai_ops_hifi,
 533 },
 534 {
 535         .name = "wm9712-aux",
 536         .playback = {
 537                 .stream_name = "Aux Playback",
 538                 .channels_min = 1,
 539                 .channels_max = 1,
 540                 .rates = WM9712_AC97_RATES,
 541                 .formats = SND_SOC_STD_AC97_FMTS,},
 542         .ops = &wm9712_dai_ops_aux,
 543 }
 544 };
 545
 546 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
 547                                  enum snd_soc_bias_level level)
 548 {
 549         switch (level) {
 550         case SND_SOC_BIAS_ON:
 551         case SND_SOC_BIAS_PREPARE:
 552                 break;
 553         case SND_SOC_BIAS_STANDBY:
 554                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 555                 break;
 556         case SND_SOC_BIAS_OFF:
 557                 /* disable everything including AC link */
 558                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 559                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 560                 break;
 561         }
 562         codec->dapm.bias_level = level;
 563         return 0;
 564 }
 565
 566 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 567 {
 568         if (try_warm && soc_ac97_ops.warm_reset) {
 569                 soc_ac97_ops.warm_reset(codec->ac97);
 570                 if (ac97_read(codec, 0) == wm9712_reg[0])
 571                         return 1;
 572         }
 573
 574         soc_ac97_ops.reset(codec->ac97);
 575         if (soc_ac97_ops.warm_reset)
 576                 soc_ac97_ops.warm_reset(codec->ac97);
 577         if (ac97_read(codec, 0) != wm9712_reg[0])
 578                 goto err;
 579         return 0;
 580
 581 err:
 582         printk(KERN_ERR "WM9712 AC97 reset failed\n");
 583         return -EIO;
 584 }
 585
 586 static int wm9712_soc_suspend(struct snd_soc_codec *codec)
 587 {
 588         wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
 589         return 0;
 590 }
 591
 592 static int wm9712_soc_resume(struct snd_soc_codec *codec)
 593 {
 594         int i, ret;
 595         u16 *cache = codec->reg_cache;
 596
 597         ret = wm9712_reset(codec, 1);
 598         if (ret < 0) {
 599                 printk(KERN_ERR "could not reset AC97 codec\n");
 600                 return ret;
 601         }
 602
 603         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 604
 605         if (ret == 0) {
 606                 /* Sync reg_cache with the hardware after cold reset */
 607                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
 608                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 609                             (i > 0x58 && i != 0x5c))
 610                                 continue;
 611                         soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
 612                 }
 613         }
 614
 615         return ret;
 616 }
 617
 618 static int wm9712_soc_probe(struct snd_soc_codec *codec)
 619 {
 620         int ret = 0;
 621
 622         ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 623         if (ret < 0) {
 624                 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
 625                 return ret;
 626         }
 627
 628         ret = wm9712_reset(codec, 0);
 629         if (ret < 0) {
 630                 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
 631                 goto reset_err;
 632         }
 633
 634         /* set alc mux to none */
 635         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 636
 637         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 638         snd_soc_add_codec_controls(codec, wm9712_snd_ac97_controls,
 639                                 ARRAY_SIZE(wm9712_snd_ac97_controls));
 640
 641         return 0;
 642
 643 reset_err:
 644         snd_soc_free_ac97_codec(codec);
 645         return ret;
 646 }
 647
 648 static int wm9712_soc_remove(struct snd_soc_codec *codec)
 649 {
 650         snd_soc_free_ac97_codec(codec);
 651         return 0;
 652 }
 653
 654 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
 655         .probe =        wm9712_soc_probe,
 656         .remove =       wm9712_soc_remove,
 657         .suspend =      wm9712_soc_suspend,
 658         .resume =       wm9712_soc_resume,
 659         .read = ac97_read,
 660         .write = ac97_write,
 661         .set_bias_level = wm9712_set_bias_level,
 662         .reg_cache_size = ARRAY_SIZE(wm9712_reg),
 663         .reg_word_size = sizeof(u16),
 664         .reg_cache_step = 2,
 665         .reg_cache_default = wm9712_reg,
 666         .dapm_widgets = wm9712_dapm_widgets,
 667         .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
 668         .dapm_routes = wm9712_audio_map,
 669         .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
 670 };
 671
 672 static __devinit int wm9712_probe(struct platform_device *pdev)
 673 {
 674         return snd_soc_register_codec(&pdev->dev,
 675                         &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
 676 }
 677
 678 static int __devexit wm9712_remove(struct platform_device *pdev)
 679 {
 680         snd_soc_unregister_codec(&pdev->dev);
 681         return 0;
 682 }
 683
 684 static struct platform_driver wm9712_codec_driver = {
 685         .driver = {
 686                         .name = "wm9712-codec",
 687                         .owner = THIS_MODULE,
 688         },
 689
 690         .probe = wm9712_probe,
 691         .remove = __devexit_p(wm9712_remove),
 692 };
 693
 694 module_platform_driver(wm9712_codec_driver);
 695
 696 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 697 MODULE_AUTHOR("Liam Girdwood");
 698 MODULE_LICENSE("GPL");