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/soc-dapm.h>
  24 #include "wm9712.h"
  25
  26 #define WM9712_VERSION "0.4"
  27
  28 static unsigned int ac97_read(struct snd_soc_codec *codec,
  29         unsigned int reg);
  30 static int ac97_write(struct snd_soc_codec *codec,
  31         unsigned int reg, unsigned int val);
  32
  33 /*
  34  * WM9712 register cache
  35  */
  36 static const u16 wm9712_reg[] = {
  37         0x6174, 0x8000, 0x8000, 0x8000, /*  6 */
  38         0x0f0f, 0xaaa0, 0xc008, 0x6808, /*  e */
  39         0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
  40         0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
  41         0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
  42         0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
  43         0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
  44         0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
  45         0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
  46         0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
  47         0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
  48         0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
  49         0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
  50         0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
  51         0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
  52         0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
  53         0x0000, 0x0000 /* virtual hp mixers */
  54 };
  55
  56 /* virtual HP mixers regs */
  57 #define HPL_MIXER       0x80
  58 #define HPR_MIXER       0x82
  59
  60 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
  61 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
  62 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
  63         "Mono"};
  64 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
  65 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
  66 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
  67 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
  68 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
  69         "Stereo"};
  70 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
  71         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
  72 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
  73 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
  74
  75 static const struct soc_enum wm9712_enum[] = {
  76 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
  77 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
  78 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
  79 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
  80 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
  81 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
  82 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
  83 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
  84 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
  85 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
  86 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
  87 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
  88 };
  89
  90 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
  91 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
  92 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
  93 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
  94 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
  95 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
  96
  97 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
  98 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
  99 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
 100 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
 101 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
 102 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
 103
 104 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
 105 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
 106 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
 107 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
 108 SOC_ENUM("ALC Function", wm9712_enum[0]),
 109 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
 110 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
 111 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
 112 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
 113 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
 114 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
 115
 116 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
 117 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
 118
 119 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
 120 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
 121 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
 122
 123 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
 124 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
 125 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
 126
 127 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
 128 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
 129 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
 130
 131 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
 132 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
 133
 134 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
 135 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
 136
 137 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
 138 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
 139 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
 140
 141 SOC_ENUM("Bass Control", wm9712_enum[5]),
 142 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
 143 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
 144 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
 145 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
 146 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
 147
 148 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
 149 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
 150 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
 151 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
 152
 153 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
 154 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
 155 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
 156 };
 157
 158 /* We have to create a fake left and right HP mixers because
 159  * the codec only has a single control that is shared by both channels.
 160  * This makes it impossible to determine the audio path.
 161  */
 162 static int mixer_event(struct snd_soc_dapm_widget *w,
 163         struct snd_kcontrol *k, int event)
 164 {
 165         u16 l, r, beep, line, phone, mic, pcm, aux;
 166
 167         l = ac97_read(w->codec, HPL_MIXER);
 168         r = ac97_read(w->codec, HPR_MIXER);
 169         beep = ac97_read(w->codec, AC97_PC_BEEP);
 170         mic = ac97_read(w->codec, AC97_VIDEO);
 171         phone = ac97_read(w->codec, AC97_PHONE);
 172         line = ac97_read(w->codec, AC97_LINE);
 173         pcm = ac97_read(w->codec, AC97_PCM);
 174         aux = ac97_read(w->codec, AC97_CD);
 175
 176         if (l & 0x1 || r & 0x1)
 177                 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
 178         else
 179                 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
 180
 181         if (l & 0x2 || r & 0x2)
 182                 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
 183         else
 184                 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
 185
 186         if (l & 0x4 || r & 0x4)
 187                 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
 188         else
 189                 ac97_write(w->codec, AC97_LINE, line | 0x8000);
 190
 191         if (l & 0x8 || r & 0x8)
 192                 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
 193         else
 194                 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
 195
 196         if (l & 0x10 || r & 0x10)
 197                 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
 198         else
 199                 ac97_write(w->codec, AC97_CD, aux | 0x8000);
 200
 201         if (l & 0x20 || r & 0x20)
 202                 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
 203         else
 204                 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
 205
 206         return 0;
 207 }
 208
 209 /* Left Headphone Mixers */
 210 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
 211         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
 212         SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
 213         SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
 214         SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
 215         SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
 216         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
 217 };
 218
 219 /* Right Headphone Mixers */
 220 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
 221         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
 222         SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
 223         SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
 224         SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
 225         SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
 226         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
 227 };
 228
 229 /* Speaker Mixer */
 230 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
 231         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
 232         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
 233         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
 234         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
 235         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
 236 };
 237
 238 /* Phone Mixer */
 239 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
 240         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
 241         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
 242         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
 243         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
 244         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
 245         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
 246 };
 247
 248 /* ALC headphone mux */
 249 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
 250 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
 251
 252 /* out 3 mux */
 253 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
 254 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
 255
 256 /* spk mux */
 257 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
 258 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
 259
 260 /* Capture to Phone mux */
 261 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
 262 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
 263
 264 /* Capture left select */
 265 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
 266 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
 267
 268 /* Capture right select */
 269 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
 270 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
 271
 272 /* Mic select */
 273 static const struct snd_kcontrol_new wm9712_mic_src_controls =
 274 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
 275
 276 /* diff select */
 277 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
 278 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
 279
 280 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
 281 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
 282         &wm9712_alc_mux_controls),
 283 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
 284         &wm9712_out3_mux_controls),
 285 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
 286         &wm9712_spk_mux_controls),
 287 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
 288         &wm9712_capture_phone_mux_controls),
 289 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
 290         &wm9712_capture_selectl_controls),
 291 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
 292         &wm9712_capture_selectr_controls),
 293 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
 294         &wm9712_mic_src_controls),
 295 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 296         &wm9712_diff_sel_controls),
 297 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 298 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 299         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
 300         mixer_event, SND_SOC_DAPM_POST_REG),
 301 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 302         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
 303          mixer_event, SND_SOC_DAPM_POST_REG),
 304 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 305         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 306 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 307         &wm9712_speaker_mixer_controls[0],
 308         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 309 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 310 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 311 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 312 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 313 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 314 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 315 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 316 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 317 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 318 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 319 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 320 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 321 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 322 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 323 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 324 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 325 SND_SOC_DAPM_OUTPUT("LOUT2"),
 326 SND_SOC_DAPM_OUTPUT("ROUT2"),
 327 SND_SOC_DAPM_OUTPUT("OUT3"),
 328 SND_SOC_DAPM_INPUT("LINEINL"),
 329 SND_SOC_DAPM_INPUT("LINEINR"),
 330 SND_SOC_DAPM_INPUT("PHONE"),
 331 SND_SOC_DAPM_INPUT("PCBEEP"),
 332 SND_SOC_DAPM_INPUT("MIC1"),
 333 SND_SOC_DAPM_INPUT("MIC2"),
 334 };
 335
 336 static const struct snd_soc_dapm_route audio_map[] = {
 337         /* virtual mixer - mixes left & right channels for spk and mono */
 338         {"AC97 Mixer", NULL, "Left DAC"},
 339         {"AC97 Mixer", NULL, "Right DAC"},
 340
 341         /* Left HP mixer */
 342         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 343         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 344         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 345         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 346         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 347         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 348         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 349
 350         /* Right HP mixer */
 351         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 352         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 353         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 354         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 355         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 356         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 357         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 358
 359         /* speaker mixer */
 360         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 361         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 362         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 363         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 364         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 365
 366         /* Phone mixer */
 367         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 368         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 369         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 370         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 371         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 372         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 373
 374         /* inputs */
 375         {"Line PGA", NULL, "LINEINL"},
 376         {"Line PGA", NULL, "LINEINR"},
 377         {"Phone PGA", NULL, "PHONE"},
 378         {"Mic PGA", NULL, "MIC1"},
 379         {"Mic PGA", NULL, "MIC2"},
 380
 381         /* left capture selector */
 382         {"Left Capture Select", "Mic", "MIC1"},
 383         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
 384         {"Left Capture Select", "Line", "LINEINL"},
 385         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
 386         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
 387         {"Left Capture Select", "Phone", "PHONE"},
 388
 389         /* right capture selector */
 390         {"Right Capture Select", "Mic", "MIC2"},
 391         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
 392         {"Right Capture Select", "Line", "LINEINR"},
 393         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
 394         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
 395         {"Right Capture Select", "Phone", "PHONE"},
 396
 397         /* ALC Sidetone */
 398         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
 399         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
 400         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
 401         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
 402
 403         /* ADC's */
 404         {"Left ADC", NULL, "Left Capture Select"},
 405         {"Right ADC", NULL, "Right Capture Select"},
 406
 407         /* outputs */
 408         {"MONOOUT", NULL, "Phone Mixer"},
 409         {"HPOUTL", NULL, "Headphone PGA"},
 410         {"Headphone PGA", NULL, "Left HP Mixer"},
 411         {"HPOUTR", NULL, "Headphone PGA"},
 412         {"Headphone PGA", NULL, "Right HP Mixer"},
 413
 414         /* mono mixer */
 415         {"Mono Mixer", NULL, "Left HP Mixer"},
 416         {"Mono Mixer", NULL, "Right HP Mixer"},
 417
 418         /* Out3 Mux */
 419         {"Out3 Mux", "Left", "Left HP Mixer"},
 420         {"Out3 Mux", "Mono", "Phone Mixer"},
 421         {"Out3 Mux", "Left + Right", "Mono Mixer"},
 422         {"Out 3 PGA", NULL, "Out3 Mux"},
 423         {"OUT3", NULL, "Out 3 PGA"},
 424
 425         /* speaker Mux */
 426         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
 427         {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
 428         {"Speaker PGA", NULL, "Speaker Mux"},
 429         {"LOUT2", NULL, "Speaker PGA"},
 430         {"ROUT2", NULL, "Speaker PGA"},
 431 };
 432
 433 static int wm9712_add_widgets(struct snd_soc_codec *codec)
 434 {
 435         struct snd_soc_dapm_context *dapm = &codec->dapm;
 436
 437         snd_soc_dapm_new_controls(dapm, wm9712_dapm_widgets,
 438                                   ARRAY_SIZE(wm9712_dapm_widgets));
 439         snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
 440
 441         return 0;
 442 }
 443
 444 static unsigned int ac97_read(struct snd_soc_codec *codec,
 445         unsigned int reg)
 446 {
 447         u16 *cache = codec->reg_cache;
 448
 449         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 450                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 451                 reg == AC97_REC_GAIN)
 452                 return soc_ac97_ops.read(codec->ac97, reg);
 453         else {
 454                 reg = reg >> 1;
 455
 456                 if (reg >= (ARRAY_SIZE(wm9712_reg)))
 457                         return -EIO;
 458
 459                 return cache[reg];
 460         }
 461 }
 462
 463 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 464         unsigned int val)
 465 {
 466         u16 *cache = codec->reg_cache;
 467
 468         if (reg < 0x7c)
 469                 soc_ac97_ops.write(codec->ac97, reg, val);
 470         reg = reg >> 1;
 471         if (reg < (ARRAY_SIZE(wm9712_reg)))
 472                 cache[reg] = val;
 473
 474         return 0;
 475 }
 476
 477 static int ac97_prepare(struct snd_pcm_substream *substream,
 478                         struct snd_soc_dai *dai)
 479 {
 480         struct snd_pcm_runtime *runtime = substream->runtime;
 481         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 482         struct snd_soc_codec *codec =rtd->codec;
 483         int reg;
 484         u16 vra;
 485
 486         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 487         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 488
 489         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 490                 reg = AC97_PCM_FRONT_DAC_RATE;
 491         else
 492                 reg = AC97_PCM_LR_ADC_RATE;
 493
 494         return ac97_write(codec, reg, runtime->rate);
 495 }
 496
 497 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
 498                             struct snd_soc_dai *dai)
 499 {
 500         struct snd_pcm_runtime *runtime = substream->runtime;
 501         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 502         struct snd_soc_codec *codec = rtd->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 static struct snd_soc_dai_driver wm9712_dai[] = {
 529 {
 530         .name = "wm9712-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 = "wm9712-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
 558 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
 559                                  enum snd_soc_bias_level level)
 560 {
 561         switch (level) {
 562         case SND_SOC_BIAS_ON:
 563         case SND_SOC_BIAS_PREPARE:
 564                 break;
 565         case SND_SOC_BIAS_STANDBY:
 566                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 567                 break;
 568         case SND_SOC_BIAS_OFF:
 569                 /* disable everything including AC link */
 570                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 571                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 572                 break;
 573         }
 574         codec->dapm.bias_level = level;
 575         return 0;
 576 }
 577
 578 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 579 {
 580         if (try_warm && soc_ac97_ops.warm_reset) {
 581                 soc_ac97_ops.warm_reset(codec->ac97);
 582                 if (ac97_read(codec, 0) == wm9712_reg[0])
 583                         return 1;
 584         }
 585
 586         soc_ac97_ops.reset(codec->ac97);
 587         if (soc_ac97_ops.warm_reset)
 588                 soc_ac97_ops.warm_reset(codec->ac97);
 589         if (ac97_read(codec, 0) != wm9712_reg[0])
 590                 goto err;
 591         return 0;
 592
 593 err:
 594         printk(KERN_ERR "WM9712 AC97 reset failed\n");
 595         return -EIO;
 596 }
 597
 598 static int wm9712_soc_suspend(struct snd_soc_codec *codec,
 599         pm_message_t state)
 600 {
 601         wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
 602         return 0;
 603 }
 604
 605 static int wm9712_soc_resume(struct snd_soc_codec *codec)
 606 {
 607         int i, ret;
 608         u16 *cache = codec->reg_cache;
 609
 610         ret = wm9712_reset(codec, 1);
 611         if (ret < 0) {
 612                 printk(KERN_ERR "could not reset AC97 codec\n");
 613                 return ret;
 614         }
 615
 616         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 617
 618         if (ret == 0) {
 619                 /* Sync reg_cache with the hardware after cold reset */
 620                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
 621                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 622                             (i > 0x58 && i != 0x5c))
 623                                 continue;
 624                         soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
 625                 }
 626         }
 627
 628         return ret;
 629 }
 630
 631 static int wm9712_soc_probe(struct snd_soc_codec *codec)
 632 {
 633         int ret = 0;
 634
 635         printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
 636
 637         ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 638         if (ret < 0) {
 639                 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
 640                 return ret;
 641         }
 642
 643         ret = wm9712_reset(codec, 0);
 644         if (ret < 0) {
 645                 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
 646                 goto reset_err;
 647         }
 648
 649         /* set alc mux to none */
 650         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 651
 652         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 653         snd_soc_add_controls(codec, wm9712_snd_ac97_controls,
 654                                 ARRAY_SIZE(wm9712_snd_ac97_controls));
 655         wm9712_add_widgets(codec);
 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 };
 683
 684 static __devinit int wm9712_probe(struct platform_device *pdev)
 685 {
 686         return snd_soc_register_codec(&pdev->dev,
 687                         &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
 688 }
 689
 690 static int __devexit wm9712_remove(struct platform_device *pdev)
 691 {
 692         snd_soc_unregister_codec(&pdev->dev);
 693         return 0;
 694 }
 695
 696 static struct platform_driver wm9712_codec_driver = {
 697         .driver = {
 698                         .name = "wm9712-codec",
 699                         .owner = THIS_MODULE,
 700         },
 701
 702         .probe = wm9712_probe,
 703         .remove = __devexit_p(wm9712_remove),
 704 };
 705
 706 static int __init wm9712_init(void)
 707 {
 708         return platform_driver_register(&wm9712_codec_driver);
 709 }
 710 module_init(wm9712_init);
 711
 712 static void __exit wm9712_exit(void)
 713 {
 714         platform_driver_unregister(&wm9712_codec_driver);
 715 }
 716 module_exit(wm9712_exit);
 717
 718 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 719 MODULE_AUTHOR("Liam Girdwood");
 720 MODULE_LICENSE("GPL");