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 #define WM9712_VENDOR_ID 0x574d4c12
  27 #define WM9712_VENDOR_ID_MASK 0xffffffff
  28
  29 struct wm9712_priv {
  30         struct snd_ac97 *ac97;
  31         unsigned int hp_mixer[2];
  32         struct mutex lock;
  33 };
  34
  35 static unsigned int ac97_read(struct snd_soc_codec *codec,
  36         unsigned int reg);
  37 static int ac97_write(struct snd_soc_codec *codec,
  38         unsigned int reg, unsigned int val);
  39
  40 /*
  41  * WM9712 register cache
  42  */
  43 static const u16 wm9712_reg[] = {
  44         0x6174, 0x8000, 0x8000, 0x8000, /*  6 */
  45         0x0f0f, 0xaaa0, 0xc008, 0x6808, /*  e */
  46         0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
  47         0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
  48         0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
  49         0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
  50         0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
  51         0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
  52         0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
  53         0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
  54         0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
  55         0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
  56         0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
  57         0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
  58         0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
  59         0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
  60 };
  61
  62 #define HPL_MIXER       0x0
  63 #define HPR_MIXER       0x1
  64
  65 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
  66 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
  67 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
  68         "Mono"};
  69 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
  70 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
  71 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
  72 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
  73 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
  74         "Stereo"};
  75 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
  76         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
  77 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
  78 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
  79
  80 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
  81 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0);
  82
  83 static const struct soc_enum wm9712_enum[] = {
  84 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
  85 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
  86 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
  87 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
  88 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
  89 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
  90 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
  91 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
  92 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
  93 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
  94 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
  95 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
  96 };
  97
  98 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
  99 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
 100 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
 101 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
 102 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
 103 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
 104
 105 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
 106 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
 107 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
 108 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
 109 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
 110 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
 111
 112 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
 113 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
 114 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
 115 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
 116 SOC_ENUM("ALC Function", wm9712_enum[0]),
 117 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
 118 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
 119 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
 120 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
 121 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
 122 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
 123
 124 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
 125 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
 126
 127 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
 128 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
 129 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
 130
 131 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
 132 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
 133 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
 134
 135 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
 136 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
 137 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
 138
 139 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
 140 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
 141
 142 SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv),
 143 SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1,
 144                boost_tlv),
 145
 146 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
 147 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
 148 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
 149
 150 SOC_ENUM("Bass Control", wm9712_enum[5]),
 151 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
 152 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
 153 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
 154 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
 155 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
 156
 157 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
 158 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
 159 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0),
 160 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
 161
 162 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
 163 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
 164 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
 165 };
 166
 167 static const unsigned int wm9712_mixer_mute_regs[] = {
 168         AC97_VIDEO,
 169         AC97_PCM,
 170         AC97_LINE,
 171         AC97_PHONE,
 172         AC97_CD,
 173         AC97_PC_BEEP,
 174 };
 175
 176 /* We have to create a fake left and right HP mixers because
 177  * the codec only has a single control that is shared by both channels.
 178  * This makes it impossible to determine the audio path.
 179  */
 180 static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
 181         struct snd_ctl_elem_value *ucontrol)
 182 {
 183         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
 184         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
 185         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 186         unsigned int val = ucontrol->value.integer.value[0];
 187         struct soc_mixer_control *mc =
 188                 (struct soc_mixer_control *)kcontrol->private_value;
 189         unsigned int mixer, mask, shift, old;
 190         struct snd_soc_dapm_update update;
 191         bool change;
 192
 193         mixer = mc->shift >> 8;
 194         shift = mc->shift & 0xff;
 195         mask = 1 << shift;
 196
 197         mutex_lock(&wm9712->lock);
 198         old = wm9712->hp_mixer[mixer];
 199         if (ucontrol->value.integer.value[0])
 200                 wm9712->hp_mixer[mixer] |= mask;
 201         else
 202                 wm9712->hp_mixer[mixer] &= ~mask;
 203
 204         change = old != wm9712->hp_mixer[mixer];
 205         if (change) {
 206                 update.kcontrol = kcontrol;
 207                 update.reg = wm9712_mixer_mute_regs[shift];
 208                 update.mask = 0x8000;
 209                 if ((wm9712->hp_mixer[0] & mask) ||
 210                     (wm9712->hp_mixer[1] & mask))
 211                         update.val = 0x0;
 212                 else
 213                         update.val = 0x8000;
 214
 215                 snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
 216                         &update);
 217         }
 218
 219         mutex_unlock(&wm9712->lock);
 220
 221         return change;
 222 }
 223
 224 static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol,
 225         struct snd_ctl_elem_value *ucontrol)
 226 {
 227         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
 228         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
 229         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 230         struct soc_mixer_control *mc =
 231                 (struct soc_mixer_control *)kcontrol->private_value;
 232         unsigned int shift, mixer;
 233
 234         mixer = mc->shift >> 8;
 235         shift = mc->shift & 0xff;
 236
 237         ucontrol->value.integer.value[0] =
 238                 (wm9712->hp_mixer[mixer] >> shift) & 1;
 239
 240         return 0;
 241 }
 242
 243 #define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \
 244         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 245         .info = snd_soc_info_volsw, \
 246         .get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \
 247         .private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \
 248                 (xmixer << 8) | xshift, 1, 0, 0) \
 249 }
 250
 251 /* Left Headphone Mixers */
 252 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
 253         WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5),
 254         WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4),
 255         WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3),
 256         WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2),
 257         WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1),
 258         WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0),
 259 };
 260
 261 /* Right Headphone Mixers */
 262 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
 263         WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5),
 264         WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4),
 265         WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3),
 266         WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2),
 267         WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1),
 268         WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0),
 269 };
 270
 271 /* Speaker Mixer */
 272 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
 273         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
 274         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
 275         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
 276         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
 277         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
 278 };
 279
 280 /* Phone Mixer */
 281 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
 282         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
 283         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
 284         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
 285         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
 286         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
 287         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
 288 };
 289
 290 /* ALC headphone mux */
 291 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
 292 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
 293
 294 /* out 3 mux */
 295 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
 296 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
 297
 298 /* spk mux */
 299 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
 300 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
 301
 302 /* Capture to Phone mux */
 303 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
 304 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
 305
 306 /* Capture left select */
 307 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
 308 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
 309
 310 /* Capture right select */
 311 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
 312 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
 313
 314 /* Mic select */
 315 static const struct snd_kcontrol_new wm9712_mic_src_controls =
 316 SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]);
 317
 318 /* diff select */
 319 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
 320 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
 321
 322 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
 323 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
 324         &wm9712_alc_mux_controls),
 325 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
 326         &wm9712_out3_mux_controls),
 327 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
 328         &wm9712_spk_mux_controls),
 329 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
 330         &wm9712_capture_phone_mux_controls),
 331 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
 332         &wm9712_capture_selectl_controls),
 333 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
 334         &wm9712_capture_selectr_controls),
 335 SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0,
 336         &wm9712_mic_src_controls),
 337 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
 338         &wm9712_mic_src_controls),
 339 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 340         &wm9712_diff_sel_controls),
 341 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 342 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 343         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)),
 344 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 345         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)),
 346 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 347         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 348 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 349         &wm9712_speaker_mixer_controls[0],
 350         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 351 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 352 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 353 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 354 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 355 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 356 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 357 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 358 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 359 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 360 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 361 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 362 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 363 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0),
 364 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 365 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 366 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 367 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 368 SND_SOC_DAPM_OUTPUT("LOUT2"),
 369 SND_SOC_DAPM_OUTPUT("ROUT2"),
 370 SND_SOC_DAPM_OUTPUT("OUT3"),
 371 SND_SOC_DAPM_INPUT("LINEINL"),
 372 SND_SOC_DAPM_INPUT("LINEINR"),
 373 SND_SOC_DAPM_INPUT("PHONE"),
 374 SND_SOC_DAPM_INPUT("PCBEEP"),
 375 SND_SOC_DAPM_INPUT("MIC1"),
 376 SND_SOC_DAPM_INPUT("MIC2"),
 377 };
 378
 379 static const struct snd_soc_dapm_route wm9712_audio_map[] = {
 380         /* virtual mixer - mixes left & right channels for spk and mono */
 381         {"AC97 Mixer", NULL, "Left DAC"},
 382         {"AC97 Mixer", NULL, "Right DAC"},
 383
 384         /* Left HP mixer */
 385         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 386         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 387         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 388         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 389         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 390         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 391         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 392
 393         /* Right HP mixer */
 394         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 395         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 396         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 397         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 398         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 399         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 400         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 401
 402         /* speaker mixer */
 403         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 404         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 405         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 406         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 407         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 408
 409         /* Phone mixer */
 410         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 411         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 412         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 413         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 414         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 415         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 416
 417         /* inputs */
 418         {"Line PGA", NULL, "LINEINL"},
 419         {"Line PGA", NULL, "LINEINR"},
 420         {"Phone PGA", NULL, "PHONE"},
 421         {"Mic PGA", NULL, "MIC1"},
 422         {"Mic PGA", NULL, "MIC2"},
 423
 424         /* microphones */
 425         {"Differential Mic", NULL, "MIC1"},
 426         {"Differential Mic", NULL, "MIC2"},
 427         {"Left Mic Select Source", "Mic 1", "MIC1"},
 428         {"Left Mic Select Source", "Mic 2", "MIC2"},
 429         {"Left Mic Select Source", "Stereo", "MIC1"},
 430         {"Left Mic Select Source", "Differential", "Differential Mic"},
 431         {"Right Mic Select Source", "Mic 1", "MIC1"},
 432         {"Right Mic Select Source", "Mic 2", "MIC2"},
 433         {"Right Mic Select Source", "Stereo", "MIC2"},
 434         {"Right Mic Select Source", "Differential", "Differential Mic"},
 435
 436         /* left capture selector */
 437         {"Left Capture Select", "Mic", "MIC1"},
 438         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
 439         {"Left Capture Select", "Line", "LINEINL"},
 440         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
 441         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
 442         {"Left Capture Select", "Phone", "PHONE"},
 443
 444         /* right capture selector */
 445         {"Right Capture Select", "Mic", "MIC2"},
 446         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
 447         {"Right Capture Select", "Line", "LINEINR"},
 448         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
 449         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
 450         {"Right Capture Select", "Phone", "PHONE"},
 451
 452         /* ALC Sidetone */
 453         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
 454         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
 455         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
 456         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
 457
 458         /* ADC's */
 459         {"Left ADC", NULL, "Left Capture Select"},
 460         {"Right ADC", NULL, "Right Capture Select"},
 461
 462         /* outputs */
 463         {"MONOOUT", NULL, "Phone Mixer"},
 464         {"HPOUTL", NULL, "Headphone PGA"},
 465         {"Headphone PGA", NULL, "Left HP Mixer"},
 466         {"HPOUTR", NULL, "Headphone PGA"},
 467         {"Headphone PGA", NULL, "Right HP Mixer"},
 468
 469         /* mono mixer */
 470         {"Mono Mixer", NULL, "Left HP Mixer"},
 471         {"Mono Mixer", NULL, "Right HP Mixer"},
 472
 473         /* Out3 Mux */
 474         {"Out3 Mux", "Left", "Left HP Mixer"},
 475         {"Out3 Mux", "Mono", "Phone Mixer"},
 476         {"Out3 Mux", "Left + Right", "Mono Mixer"},
 477         {"Out 3 PGA", NULL, "Out3 Mux"},
 478         {"OUT3", NULL, "Out 3 PGA"},
 479
 480         /* speaker Mux */
 481         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
 482         {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
 483         {"Speaker PGA", NULL, "Speaker Mux"},
 484         {"LOUT2", NULL, "Speaker PGA"},
 485         {"ROUT2", NULL, "Speaker PGA"},
 486 };
 487
 488 static unsigned int ac97_read(struct snd_soc_codec *codec,
 489         unsigned int reg)
 490 {
 491         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 492         u16 *cache = codec->reg_cache;
 493
 494         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 495                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 496                 reg == AC97_REC_GAIN)
 497                 return soc_ac97_ops->read(wm9712->ac97, reg);
 498         else {
 499                 reg = reg >> 1;
 500
 501                 if (reg >= (ARRAY_SIZE(wm9712_reg)))
 502                         return -EIO;
 503
 504                 return cache[reg];
 505         }
 506 }
 507
 508 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 509         unsigned int val)
 510 {
 511         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 512         u16 *cache = codec->reg_cache;
 513
 514         soc_ac97_ops->write(wm9712->ac97, reg, val);
 515         reg = reg >> 1;
 516         if (reg < (ARRAY_SIZE(wm9712_reg)))
 517                 cache[reg] = val;
 518
 519         return 0;
 520 }
 521
 522 static int ac97_prepare(struct snd_pcm_substream *substream,
 523                         struct snd_soc_dai *dai)
 524 {
 525         struct snd_soc_codec *codec = dai->codec;
 526         int reg;
 527         u16 vra;
 528         struct snd_pcm_runtime *runtime = substream->runtime;
 529
 530         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 531         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 532
 533         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 534                 reg = AC97_PCM_FRONT_DAC_RATE;
 535         else
 536                 reg = AC97_PCM_LR_ADC_RATE;
 537
 538         return ac97_write(codec, reg, runtime->rate);
 539 }
 540
 541 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
 542                             struct snd_soc_dai *dai)
 543 {
 544         struct snd_soc_codec *codec = dai->codec;
 545         u16 vra, xsle;
 546         struct snd_pcm_runtime *runtime = substream->runtime;
 547
 548         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 549         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 550         xsle = ac97_read(codec, AC97_PCI_SID);
 551         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 552
 553         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 554                 return -ENODEV;
 555
 556         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 557 }
 558
 559 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 560                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
 561                 SNDRV_PCM_RATE_48000)
 562
 563 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
 564         .prepare        = ac97_prepare,
 565 };
 566
 567 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
 568         .prepare        = ac97_aux_prepare,
 569 };
 570
 571 static struct snd_soc_dai_driver wm9712_dai[] = {
 572 {
 573         .name = "wm9712-hifi",
 574         .playback = {
 575                 .stream_name = "HiFi Playback",
 576                 .channels_min = 1,
 577                 .channels_max = 2,
 578                 .rates = WM9712_AC97_RATES,
 579                 .formats = SND_SOC_STD_AC97_FMTS,},
 580         .capture = {
 581                 .stream_name = "HiFi Capture",
 582                 .channels_min = 1,
 583                 .channels_max = 2,
 584                 .rates = WM9712_AC97_RATES,
 585                 .formats = SND_SOC_STD_AC97_FMTS,},
 586         .ops = &wm9712_dai_ops_hifi,
 587 },
 588 {
 589         .name = "wm9712-aux",
 590         .playback = {
 591                 .stream_name = "Aux Playback",
 592                 .channels_min = 1,
 593                 .channels_max = 1,
 594                 .rates = WM9712_AC97_RATES,
 595                 .formats = SND_SOC_STD_AC97_FMTS,},
 596         .ops = &wm9712_dai_ops_aux,
 597 }
 598 };
 599
 600 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
 601                                  enum snd_soc_bias_level level)
 602 {
 603         switch (level) {
 604         case SND_SOC_BIAS_ON:
 605         case SND_SOC_BIAS_PREPARE:
 606                 break;
 607         case SND_SOC_BIAS_STANDBY:
 608                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 609                 break;
 610         case SND_SOC_BIAS_OFF:
 611                 /* disable everything including AC link */
 612                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 613                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 614                 break;
 615         }
 616         return 0;
 617 }
 618
 619 static int wm9712_soc_resume(struct snd_soc_codec *codec)
 620 {
 621         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 622         int i, ret;
 623         u16 *cache = codec->reg_cache;
 624
 625         ret = snd_ac97_reset(wm9712->ac97, true, WM9712_VENDOR_ID,
 626                 WM9712_VENDOR_ID_MASK);
 627         if (ret < 0)
 628                 return ret;
 629
 630         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
 631
 632         if (ret == 0) {
 633                 /* Sync reg_cache with the hardware after cold reset */
 634                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
 635                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 636                             (i > 0x58 && i != 0x5c))
 637                                 continue;
 638                         soc_ac97_ops->write(wm9712->ac97, i, cache[i>>1]);
 639                 }
 640         }
 641
 642         return ret;
 643 }
 644
 645 static int wm9712_soc_probe(struct snd_soc_codec *codec)
 646 {
 647         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 648         int ret;
 649
 650         wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID,
 651                 WM9712_VENDOR_ID_MASK);
 652         if (IS_ERR(wm9712->ac97)) {
 653                 ret = PTR_ERR(wm9712->ac97);
 654                 dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret);
 655                 return ret;
 656         }
 657
 658         /* set alc mux to none */
 659         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 660
 661         return 0;
 662 }
 663
 664 static int wm9712_soc_remove(struct snd_soc_codec *codec)
 665 {
 666         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 667
 668         snd_soc_free_ac97_codec(wm9712->ac97);
 669         return 0;
 670 }
 671
 672 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
 673         .probe =        wm9712_soc_probe,
 674         .remove =       wm9712_soc_remove,
 675         .resume =       wm9712_soc_resume,
 676         .read = ac97_read,
 677         .write = ac97_write,
 678         .set_bias_level = wm9712_set_bias_level,
 679         .suspend_bias_off = true,
 680         .reg_cache_size = ARRAY_SIZE(wm9712_reg),
 681         .reg_word_size = sizeof(u16),
 682         .reg_cache_step = 2,
 683         .reg_cache_default = wm9712_reg,
 684
 685         .controls = wm9712_snd_ac97_controls,
 686         .num_controls = ARRAY_SIZE(wm9712_snd_ac97_controls),
 687         .dapm_widgets = wm9712_dapm_widgets,
 688         .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
 689         .dapm_routes = wm9712_audio_map,
 690         .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
 691 };
 692
 693 static int wm9712_probe(struct platform_device *pdev)
 694 {
 695         struct wm9712_priv *wm9712;
 696
 697         wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL);
 698         if (wm9712 == NULL)
 699                 return -ENOMEM;
 700
 701         mutex_init(&wm9712->lock);
 702
 703         platform_set_drvdata(pdev, wm9712);
 704
 705         return snd_soc_register_codec(&pdev->dev,
 706                         &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
 707 }
 708
 709 static int wm9712_remove(struct platform_device *pdev)
 710 {
 711         snd_soc_unregister_codec(&pdev->dev);
 712         return 0;
 713 }
 714
 715 static struct platform_driver wm9712_codec_driver = {
 716         .driver = {
 717                 .name = "wm9712-codec",
 718         },
 719
 720         .probe = wm9712_probe,
 721         .remove = wm9712_remove,
 722 };
 723
 724 module_platform_driver(wm9712_codec_driver);
 725
 726 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 727 MODULE_AUTHOR("Liam Girdwood");
 728 MODULE_LICENSE("GPL");