sound/soc/codecs/wm9712.c

   1 /*
   2  * wm9712.c  --  ALSA Soc WM9712 codec support
   3  *
   4  * Copyright 2006-12 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, 0),
 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("Mic Source Select", 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("Left Mic Select Source", SND_SOC_NOPM, 0, 0,
 295         &wm9712_mic_src_controls),
 296 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
 297         &wm9712_mic_src_controls),
 298 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 299         &wm9712_diff_sel_controls),
 300 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 301 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 302         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
 303         mixer_event, SND_SOC_DAPM_POST_REG),
 304 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 305         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
 306          mixer_event, SND_SOC_DAPM_POST_REG),
 307 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 308         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 309 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 310         &wm9712_speaker_mixer_controls[0],
 311         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 312 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 313 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 314 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 315 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 316 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 317 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 318 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 319 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 320 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 321 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 322 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 323 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 324 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0),
 325 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 326 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 327 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 328 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 329 SND_SOC_DAPM_OUTPUT("LOUT2"),
 330 SND_SOC_DAPM_OUTPUT("ROUT2"),
 331 SND_SOC_DAPM_OUTPUT("OUT3"),
 332 SND_SOC_DAPM_INPUT("LINEINL"),
 333 SND_SOC_DAPM_INPUT("LINEINR"),
 334 SND_SOC_DAPM_INPUT("PHONE"),
 335 SND_SOC_DAPM_INPUT("PCBEEP"),
 336 SND_SOC_DAPM_INPUT("MIC1"),
 337 SND_SOC_DAPM_INPUT("MIC2"),
 338 };
 339
 340 static const struct snd_soc_dapm_route wm9712_audio_map[] = {
 341         /* virtual mixer - mixes left & right channels for spk and mono */
 342         {"AC97 Mixer", NULL, "Left DAC"},
 343         {"AC97 Mixer", NULL, "Right DAC"},
 344
 345         /* Left HP mixer */
 346         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 347         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 348         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 349         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 350         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 351         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 352         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 353
 354         /* Right HP mixer */
 355         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 356         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 357         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 358         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 359         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 360         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 361         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 362
 363         /* speaker mixer */
 364         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 365         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 366         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 367         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 368         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 369
 370         /* Phone mixer */
 371         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 372         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 373         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 374         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 375         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 376         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 377
 378         /* inputs */
 379         {"Line PGA", NULL, "LINEINL"},
 380         {"Line PGA", NULL, "LINEINR"},
 381         {"Phone PGA", NULL, "PHONE"},
 382         {"Mic PGA", NULL, "MIC1"},
 383         {"Mic PGA", NULL, "MIC2"},
 384
 385         /* microphones */
 386         {"Differential Mic", NULL, "MIC1"},
 387         {"Differential Mic", NULL, "MIC2"},
 388         {"Left Mic Select Source", "Mic 1", "MIC1"},
 389         {"Left Mic Select Source", "Mic 2", "MIC2"},
 390         {"Left Mic Select Source", "Stereo", "MIC1"},
 391         {"Left Mic Select Source", "Differential", "Differential Mic"},
 392         {"Right Mic Select Source", "Mic 1", "MIC1"},
 393         {"Right Mic Select Source", "Mic 2", "MIC2"},
 394         {"Right Mic Select Source", "Stereo", "MIC2"},
 395         {"Right Mic Select Source", "Differential", "Differential Mic"},
 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 mixer */
 431         {"Mono Mixer", NULL, "Left HP Mixer"},
 432         {"Mono 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 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 Mixer"},
 444         {"Speaker PGA", NULL, "Speaker Mux"},
 445         {"LOUT2", NULL, "Speaker PGA"},
 446         {"ROUT2", NULL, "Speaker PGA"},
 447 };
 448
 449 static unsigned int ac97_read(struct snd_soc_codec *codec,
 450         unsigned int reg)
 451 {
 452         u16 *cache = codec->reg_cache;
 453
 454         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 455                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 456                 reg == AC97_REC_GAIN)
 457                 return soc_ac97_ops.read(codec->ac97, reg);
 458         else {
 459                 reg = reg >> 1;
 460
 461                 if (reg >= (ARRAY_SIZE(wm9712_reg)))
 462                         return -EIO;
 463
 464                 return cache[reg];
 465         }
 466 }
 467
 468 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 469         unsigned int val)
 470 {
 471         u16 *cache = codec->reg_cache;
 472
 473         if (reg < 0x7c)
 474                 soc_ac97_ops.write(codec->ac97, reg, val);
 475         reg = reg >> 1;
 476         if (reg < (ARRAY_SIZE(wm9712_reg)))
 477                 cache[reg] = val;
 478
 479         return 0;
 480 }
 481
 482 static int ac97_prepare(struct snd_pcm_substream *substream,
 483                         struct snd_soc_dai *dai)
 484 {
 485         struct snd_soc_codec *codec = dai->codec;
 486         int reg;
 487         u16 vra;
 488         struct snd_pcm_runtime *runtime = substream->runtime;
 489
 490         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 491         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 492
 493         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 494                 reg = AC97_PCM_FRONT_DAC_RATE;
 495         else
 496                 reg = AC97_PCM_LR_ADC_RATE;
 497
 498         return ac97_write(codec, reg, runtime->rate);
 499 }
 500
 501 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
 502                             struct snd_soc_dai *dai)
 503 {
 504         struct snd_soc_codec *codec = dai->codec;
 505         u16 vra, xsle;
 506         struct snd_pcm_runtime *runtime = substream->runtime;
 507
 508         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 509         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 510         xsle = ac97_read(codec, AC97_PCI_SID);
 511         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 512
 513         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 514                 return -ENODEV;
 515
 516         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 517 }
 518
 519 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 520                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
 521                 SNDRV_PCM_RATE_48000)
 522
 523 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
 524         .prepare        = ac97_prepare,
 525 };
 526
 527 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
 528         .prepare        = ac97_aux_prepare,
 529 };
 530
 531 static struct snd_soc_dai_driver wm9712_dai[] = {
 532 {
 533         .name = "wm9712-hifi",
 534         .ac97_control = 1,
 535         .playback = {
 536                 .stream_name = "HiFi Playback",
 537                 .channels_min = 1,
 538                 .channels_max = 2,
 539                 .rates = WM9712_AC97_RATES,
 540                 .formats = SND_SOC_STD_AC97_FMTS,},
 541         .capture = {
 542                 .stream_name = "HiFi Capture",
 543                 .channels_min = 1,
 544                 .channels_max = 2,
 545                 .rates = WM9712_AC97_RATES,
 546                 .formats = SND_SOC_STD_AC97_FMTS,},
 547         .ops = &wm9712_dai_ops_hifi,
 548 },
 549 {
 550         .name = "wm9712-aux",
 551         .playback = {
 552                 .stream_name = "Aux Playback",
 553                 .channels_min = 1,
 554                 .channels_max = 1,
 555                 .rates = WM9712_AC97_RATES,
 556                 .formats = SND_SOC_STD_AC97_FMTS,},
 557         .ops = &wm9712_dai_ops_aux,
 558 }
 559 };
 560
 561 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
 562                                  enum snd_soc_bias_level level)
 563 {
 564         switch (level) {
 565         case SND_SOC_BIAS_ON:
 566         case SND_SOC_BIAS_PREPARE:
 567                 break;
 568         case SND_SOC_BIAS_STANDBY:
 569                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 570                 break;
 571         case SND_SOC_BIAS_OFF:
 572                 /* disable everything including AC link */
 573                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 574                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 575                 break;
 576         }
 577         codec->dapm.bias_level = level;
 578         return 0;
 579 }
 580
 581 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 582 {
 583         if (try_warm && soc_ac97_ops.warm_reset) {
 584                 soc_ac97_ops.warm_reset(codec->ac97);
 585                 if (ac97_read(codec, 0) == wm9712_reg[0])
 586                         return 1;
 587         }
 588
 589         soc_ac97_ops.reset(codec->ac97);
 590         if (soc_ac97_ops.warm_reset)
 591                 soc_ac97_ops.warm_reset(codec->ac97);
 592         if (ac97_read(codec, 0) != wm9712_reg[0])
 593                 goto err;
 594         return 0;
 595
 596 err:
 597         printk(KERN_ERR "WM9712 AC97 reset failed\n");
 598         return -EIO;
 599 }
 600
 601 static int wm9712_soc_suspend(struct snd_soc_codec *codec)
 602 {
 603         wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
 604         return 0;
 605 }
 606
 607 static int wm9712_soc_resume(struct snd_soc_codec *codec)
 608 {
 609         int i, ret;
 610         u16 *cache = codec->reg_cache;
 611
 612         ret = wm9712_reset(codec, 1);
 613         if (ret < 0) {
 614                 printk(KERN_ERR "could not reset AC97 codec\n");
 615                 return ret;
 616         }
 617
 618         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 619
 620         if (ret == 0) {
 621                 /* Sync reg_cache with the hardware after cold reset */
 622                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
 623                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 624                             (i > 0x58 && i != 0x5c))
 625                                 continue;
 626                         soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
 627                 }
 628         }
 629
 630         return ret;
 631 }
 632
 633 static int wm9712_soc_probe(struct snd_soc_codec *codec)
 634 {
 635         int ret = 0;
 636
 637         codec->control_data = codec;    /* we don't use regmap! */
 638         ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 639         if (ret < 0) {
 640                 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
 641                 return ret;
 642         }
 643
 644         ret = wm9712_reset(codec, 0);
 645         if (ret < 0) {
 646                 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
 647                 goto reset_err;
 648         }
 649
 650         /* set alc mux to none */
 651         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 652
 653         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 654         snd_soc_add_codec_controls(codec, wm9712_snd_ac97_controls,
 655                                 ARRAY_SIZE(wm9712_snd_ac97_controls));
 656
 657         return 0;
 658
 659 reset_err:
 660         snd_soc_free_ac97_codec(codec);
 661         return ret;
 662 }
 663
 664 static int wm9712_soc_remove(struct snd_soc_codec *codec)
 665 {
 666         snd_soc_free_ac97_codec(codec);
 667         return 0;
 668 }
 669
 670 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
 671         .probe =        wm9712_soc_probe,
 672         .remove =       wm9712_soc_remove,
 673         .suspend =      wm9712_soc_suspend,
 674         .resume =       wm9712_soc_resume,
 675         .read = ac97_read,
 676         .write = ac97_write,
 677         .set_bias_level = wm9712_set_bias_level,
 678         .reg_cache_size = ARRAY_SIZE(wm9712_reg),
 679         .reg_word_size = sizeof(u16),
 680         .reg_cache_step = 2,
 681         .reg_cache_default = wm9712_reg,
 682         .dapm_widgets = wm9712_dapm_widgets,
 683         .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
 684         .dapm_routes = wm9712_audio_map,
 685         .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
 686 };
 687
 688 static __devinit int wm9712_probe(struct platform_device *pdev)
 689 {
 690         return snd_soc_register_codec(&pdev->dev,
 691                         &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
 692 }
 693
 694 static int __devexit wm9712_remove(struct platform_device *pdev)
 695 {
 696         snd_soc_unregister_codec(&pdev->dev);
 697         return 0;
 698 }
 699
 700 static struct platform_driver wm9712_codec_driver = {
 701         .driver = {
 702                         .name = "wm9712-codec",
 703                         .owner = THIS_MODULE,
 704         },
 705
 706         .probe = wm9712_probe,
 707         .remove = __devexit_p(wm9712_remove),
 708 };
 709
 710 module_platform_driver(wm9712_codec_driver);
 711
 712 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 713 MODULE_AUTHOR("Liam Girdwood");
 714 MODULE_LICENSE("GPL");