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 struct wm9712_priv {
  27         struct snd_ac97 *ac97;
  28         unsigned int hp_mixer[2];
  29         struct mutex lock;
  30 };
  31
  32 static unsigned int ac97_read(struct snd_soc_codec *codec,
  33         unsigned int reg);
  34 static int ac97_write(struct snd_soc_codec *codec,
  35         unsigned int reg, unsigned int val);
  36
  37 /*
  38  * WM9712 register cache
  39  */
  40 static const u16 wm9712_reg[] = {
  41         0x6174, 0x8000, 0x8000, 0x8000, /*  6 */
  42         0x0f0f, 0xaaa0, 0xc008, 0x6808, /*  e */
  43         0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
  44         0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
  45         0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
  46         0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
  47         0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
  48         0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
  49         0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
  50         0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
  51         0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
  52         0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
  53         0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
  54         0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
  55         0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
  56         0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
  57 };
  58
  59 #define HPL_MIXER       0x0
  60 #define HPR_MIXER       0x1
  61
  62 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
  63 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
  64 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
  65         "Mono"};
  66 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
  67 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
  68 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
  69 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
  70 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
  71         "Stereo"};
  72 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
  73         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
  74 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
  75 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
  76
  77 static const DECLARE_TLV_DB_SCALE(main_tlv, -3450, 150, 0);
  78 static const DECLARE_TLV_DB_SCALE(boost_tlv, 0, 2000, 0);
  79
  80 static const struct soc_enum wm9712_enum[] = {
  81 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
  82 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
  83 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
  84 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
  85 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
  86 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
  87 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
  88 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
  89 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
  90 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
  91 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
  92 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
  93 };
  94
  95 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
  96 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
  97 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
  98 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
  99 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
 100 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
 101
 102 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
 103 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
 104 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
 105 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
 106 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
 107 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
 108
 109 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
 110 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
 111 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
 112 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
 113 SOC_ENUM("ALC Function", wm9712_enum[0]),
 114 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
 115 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
 116 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
 117 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
 118 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
 119 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
 120
 121 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
 122 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
 123
 124 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
 125 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
 126 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
 127
 128 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
 129 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
 130 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
 131
 132 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
 133 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
 134 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
 135
 136 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
 137 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
 138
 139 SOC_SINGLE_TLV("Capture Boost Switch", AC97_REC_SEL, 14, 1, 0, boost_tlv),
 140 SOC_SINGLE_TLV("Capture to Phone Boost Switch", AC97_REC_SEL, 11, 1, 1,
 141                boost_tlv),
 142
 143 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
 144 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
 145 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
 146
 147 SOC_ENUM("Bass Control", wm9712_enum[5]),
 148 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
 149 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
 150 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
 151 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
 152 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
 153
 154 SOC_SINGLE("Capture Switch", AC97_REC_GAIN, 15, 1, 1),
 155 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
 156 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 0),
 157 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
 158
 159 SOC_SINGLE_TLV("Mic 1 Volume", AC97_MIC, 8, 31, 1, main_tlv),
 160 SOC_SINGLE_TLV("Mic 2 Volume", AC97_MIC, 0, 31, 1, main_tlv),
 161 SOC_SINGLE_TLV("Mic Boost Volume", AC97_MIC, 7, 1, 0, boost_tlv),
 162 };
 163
 164 static const unsigned int wm9712_mixer_mute_regs[] = {
 165         AC97_VIDEO,
 166         AC97_PCM,
 167         AC97_LINE,
 168         AC97_PHONE,
 169         AC97_CD,
 170         AC97_PC_BEEP,
 171 };
 172
 173 /* We have to create a fake left and right HP mixers because
 174  * the codec only has a single control that is shared by both channels.
 175  * This makes it impossible to determine the audio path.
 176  */
 177 static int wm9712_hp_mixer_put(struct snd_kcontrol *kcontrol,
 178         struct snd_ctl_elem_value *ucontrol)
 179 {
 180         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
 181         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
 182         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 183         unsigned int val = ucontrol->value.integer.value[0];
 184         struct soc_mixer_control *mc =
 185                 (struct soc_mixer_control *)kcontrol->private_value;
 186         unsigned int mixer, mask, shift, old;
 187         struct snd_soc_dapm_update update;
 188         bool change;
 189
 190         mixer = mc->shift >> 8;
 191         shift = mc->shift & 0xff;
 192         mask = 1 << shift;
 193
 194         mutex_lock(&wm9712->lock);
 195         old = wm9712->hp_mixer[mixer];
 196         if (ucontrol->value.integer.value[0])
 197                 wm9712->hp_mixer[mixer] |= mask;
 198         else
 199                 wm9712->hp_mixer[mixer] &= ~mask;
 200
 201         change = old != wm9712->hp_mixer[mixer];
 202         if (change) {
 203                 update.kcontrol = kcontrol;
 204                 update.reg = wm9712_mixer_mute_regs[shift];
 205                 update.mask = 0x8000;
 206                 if ((wm9712->hp_mixer[0] & mask) ||
 207                     (wm9712->hp_mixer[1] & mask))
 208                         update.val = 0x0;
 209                 else
 210                         update.val = 0x8000;
 211
 212                 snd_soc_dapm_mixer_update_power(dapm, kcontrol, val,
 213                         &update);
 214         }
 215
 216         mutex_unlock(&wm9712->lock);
 217
 218         return change;
 219 }
 220
 221 static int wm9712_hp_mixer_get(struct snd_kcontrol *kcontrol,
 222         struct snd_ctl_elem_value *ucontrol)
 223 {
 224         struct snd_soc_dapm_context *dapm = snd_soc_dapm_kcontrol_dapm(kcontrol);
 225         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(dapm);
 226         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 227         struct soc_mixer_control *mc =
 228                 (struct soc_mixer_control *)kcontrol->private_value;
 229         unsigned int shift, mixer;
 230
 231         mixer = mc->shift >> 8;
 232         shift = mc->shift & 0xff;
 233
 234         ucontrol->value.integer.value[0] =
 235                 (wm9712->hp_mixer[mixer] >> shift) & 1;
 236
 237         return 0;
 238 }
 239
 240 #define WM9712_HP_MIXER_CTRL(xname, xmixer, xshift) { \
 241         .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, \
 242         .info = snd_soc_info_volsw, \
 243         .get = wm9712_hp_mixer_get, .put = wm9712_hp_mixer_put, \
 244         .private_value = SOC_SINGLE_VALUE(SND_SOC_NOPM, \
 245                 (xmixer << 8) | xshift, 1, 0, 0) \
 246 }
 247
 248 /* Left Headphone Mixers */
 249 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
 250         WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPL_MIXER, 5),
 251         WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPL_MIXER, 4),
 252         WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPL_MIXER, 3),
 253         WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPL_MIXER, 2),
 254         WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPL_MIXER, 1),
 255         WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPL_MIXER, 0),
 256 };
 257
 258 /* Right Headphone Mixers */
 259 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
 260         WM9712_HP_MIXER_CTRL("PCBeep Bypass Switch", HPR_MIXER, 5),
 261         WM9712_HP_MIXER_CTRL("Aux Playback Switch", HPR_MIXER, 4),
 262         WM9712_HP_MIXER_CTRL("Phone Bypass Switch", HPR_MIXER, 3),
 263         WM9712_HP_MIXER_CTRL("Line Bypass Switch", HPR_MIXER, 2),
 264         WM9712_HP_MIXER_CTRL("PCM Playback Switch", HPR_MIXER, 1),
 265         WM9712_HP_MIXER_CTRL("Mic Sidetone Switch", HPR_MIXER, 0),
 266 };
 267
 268 /* Speaker Mixer */
 269 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
 270         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
 271         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
 272         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
 273         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
 274         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
 275 };
 276
 277 /* Phone Mixer */
 278 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
 279         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
 280         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
 281         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
 282         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
 283         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
 284         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
 285 };
 286
 287 /* ALC headphone mux */
 288 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
 289 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
 290
 291 /* out 3 mux */
 292 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
 293 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
 294
 295 /* spk mux */
 296 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
 297 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
 298
 299 /* Capture to Phone mux */
 300 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
 301 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
 302
 303 /* Capture left select */
 304 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
 305 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
 306
 307 /* Capture right select */
 308 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
 309 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
 310
 311 /* Mic select */
 312 static const struct snd_kcontrol_new wm9712_mic_src_controls =
 313 SOC_DAPM_ENUM("Mic Source Select", wm9712_enum[7]);
 314
 315 /* diff select */
 316 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
 317 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
 318
 319 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
 320 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
 321         &wm9712_alc_mux_controls),
 322 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
 323         &wm9712_out3_mux_controls),
 324 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
 325         &wm9712_spk_mux_controls),
 326 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
 327         &wm9712_capture_phone_mux_controls),
 328 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
 329         &wm9712_capture_selectl_controls),
 330 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
 331         &wm9712_capture_selectr_controls),
 332 SND_SOC_DAPM_MUX("Left Mic Select Source", SND_SOC_NOPM, 0, 0,
 333         &wm9712_mic_src_controls),
 334 SND_SOC_DAPM_MUX("Right Mic Select Source", SND_SOC_NOPM, 0, 0,
 335         &wm9712_mic_src_controls),
 336 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 337         &wm9712_diff_sel_controls),
 338 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 339 SND_SOC_DAPM_MIXER("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 340         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls)),
 341 SND_SOC_DAPM_MIXER("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 342         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls)),
 343 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 344         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 345 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 346         &wm9712_speaker_mixer_controls[0],
 347         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 348 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 349 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 350 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 351 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 352 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 353 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 354 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 355 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 356 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 357 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 358 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 359 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 360 SND_SOC_DAPM_PGA("Differential Mic", SND_SOC_NOPM, 0, 0, NULL, 0),
 361 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 362 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 363 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 364 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 365 SND_SOC_DAPM_OUTPUT("LOUT2"),
 366 SND_SOC_DAPM_OUTPUT("ROUT2"),
 367 SND_SOC_DAPM_OUTPUT("OUT3"),
 368 SND_SOC_DAPM_INPUT("LINEINL"),
 369 SND_SOC_DAPM_INPUT("LINEINR"),
 370 SND_SOC_DAPM_INPUT("PHONE"),
 371 SND_SOC_DAPM_INPUT("PCBEEP"),
 372 SND_SOC_DAPM_INPUT("MIC1"),
 373 SND_SOC_DAPM_INPUT("MIC2"),
 374 };
 375
 376 static const struct snd_soc_dapm_route wm9712_audio_map[] = {
 377         /* virtual mixer - mixes left & right channels for spk and mono */
 378         {"AC97 Mixer", NULL, "Left DAC"},
 379         {"AC97 Mixer", NULL, "Right DAC"},
 380
 381         /* Left HP mixer */
 382         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 383         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 384         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 385         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 386         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 387         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 388         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 389
 390         /* Right HP mixer */
 391         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 392         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 393         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 394         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 395         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 396         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 397         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 398
 399         /* speaker mixer */
 400         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 401         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 402         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 403         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 404         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 405
 406         /* Phone mixer */
 407         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 408         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 409         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 410         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 411         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 412         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 413
 414         /* inputs */
 415         {"Line PGA", NULL, "LINEINL"},
 416         {"Line PGA", NULL, "LINEINR"},
 417         {"Phone PGA", NULL, "PHONE"},
 418         {"Mic PGA", NULL, "MIC1"},
 419         {"Mic PGA", NULL, "MIC2"},
 420
 421         /* microphones */
 422         {"Differential Mic", NULL, "MIC1"},
 423         {"Differential Mic", NULL, "MIC2"},
 424         {"Left Mic Select Source", "Mic 1", "MIC1"},
 425         {"Left Mic Select Source", "Mic 2", "MIC2"},
 426         {"Left Mic Select Source", "Stereo", "MIC1"},
 427         {"Left Mic Select Source", "Differential", "Differential Mic"},
 428         {"Right Mic Select Source", "Mic 1", "MIC1"},
 429         {"Right Mic Select Source", "Mic 2", "MIC2"},
 430         {"Right Mic Select Source", "Stereo", "MIC2"},
 431         {"Right Mic Select Source", "Differential", "Differential Mic"},
 432
 433         /* left capture selector */
 434         {"Left Capture Select", "Mic", "MIC1"},
 435         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
 436         {"Left Capture Select", "Line", "LINEINL"},
 437         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
 438         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
 439         {"Left Capture Select", "Phone", "PHONE"},
 440
 441         /* right capture selector */
 442         {"Right Capture Select", "Mic", "MIC2"},
 443         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
 444         {"Right Capture Select", "Line", "LINEINR"},
 445         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
 446         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
 447         {"Right Capture Select", "Phone", "PHONE"},
 448
 449         /* ALC Sidetone */
 450         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
 451         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
 452         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
 453         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
 454
 455         /* ADC's */
 456         {"Left ADC", NULL, "Left Capture Select"},
 457         {"Right ADC", NULL, "Right Capture Select"},
 458
 459         /* outputs */
 460         {"MONOOUT", NULL, "Phone Mixer"},
 461         {"HPOUTL", NULL, "Headphone PGA"},
 462         {"Headphone PGA", NULL, "Left HP Mixer"},
 463         {"HPOUTR", NULL, "Headphone PGA"},
 464         {"Headphone PGA", NULL, "Right HP Mixer"},
 465
 466         /* mono mixer */
 467         {"Mono Mixer", NULL, "Left HP Mixer"},
 468         {"Mono Mixer", NULL, "Right HP Mixer"},
 469
 470         /* Out3 Mux */
 471         {"Out3 Mux", "Left", "Left HP Mixer"},
 472         {"Out3 Mux", "Mono", "Phone Mixer"},
 473         {"Out3 Mux", "Left + Right", "Mono Mixer"},
 474         {"Out 3 PGA", NULL, "Out3 Mux"},
 475         {"OUT3", NULL, "Out 3 PGA"},
 476
 477         /* speaker Mux */
 478         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
 479         {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
 480         {"Speaker PGA", NULL, "Speaker Mux"},
 481         {"LOUT2", NULL, "Speaker PGA"},
 482         {"ROUT2", NULL, "Speaker PGA"},
 483 };
 484
 485 static unsigned int ac97_read(struct snd_soc_codec *codec,
 486         unsigned int reg)
 487 {
 488         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 489         u16 *cache = codec->reg_cache;
 490
 491         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 492                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 493                 reg == AC97_REC_GAIN)
 494                 return soc_ac97_ops->read(wm9712->ac97, reg);
 495         else {
 496                 reg = reg >> 1;
 497
 498                 if (reg >= (ARRAY_SIZE(wm9712_reg)))
 499                         return -EIO;
 500
 501                 return cache[reg];
 502         }
 503 }
 504
 505 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 506         unsigned int val)
 507 {
 508         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 509         u16 *cache = codec->reg_cache;
 510
 511         soc_ac97_ops->write(wm9712->ac97, reg, val);
 512         reg = reg >> 1;
 513         if (reg < (ARRAY_SIZE(wm9712_reg)))
 514                 cache[reg] = val;
 515
 516         return 0;
 517 }
 518
 519 static int ac97_prepare(struct snd_pcm_substream *substream,
 520                         struct snd_soc_dai *dai)
 521 {
 522         struct snd_soc_codec *codec = dai->codec;
 523         int reg;
 524         u16 vra;
 525         struct snd_pcm_runtime *runtime = substream->runtime;
 526
 527         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 528         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 529
 530         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 531                 reg = AC97_PCM_FRONT_DAC_RATE;
 532         else
 533                 reg = AC97_PCM_LR_ADC_RATE;
 534
 535         return ac97_write(codec, reg, runtime->rate);
 536 }
 537
 538 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
 539                             struct snd_soc_dai *dai)
 540 {
 541         struct snd_soc_codec *codec = dai->codec;
 542         u16 vra, xsle;
 543         struct snd_pcm_runtime *runtime = substream->runtime;
 544
 545         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 546         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 547         xsle = ac97_read(codec, AC97_PCI_SID);
 548         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 549
 550         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 551                 return -ENODEV;
 552
 553         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 554 }
 555
 556 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 557                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
 558                 SNDRV_PCM_RATE_48000)
 559
 560 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
 561         .prepare        = ac97_prepare,
 562 };
 563
 564 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
 565         .prepare        = ac97_aux_prepare,
 566 };
 567
 568 static struct snd_soc_dai_driver wm9712_dai[] = {
 569 {
 570         .name = "wm9712-hifi",
 571         .playback = {
 572                 .stream_name = "HiFi Playback",
 573                 .channels_min = 1,
 574                 .channels_max = 2,
 575                 .rates = WM9712_AC97_RATES,
 576                 .formats = SND_SOC_STD_AC97_FMTS,},
 577         .capture = {
 578                 .stream_name = "HiFi Capture",
 579                 .channels_min = 1,
 580                 .channels_max = 2,
 581                 .rates = WM9712_AC97_RATES,
 582                 .formats = SND_SOC_STD_AC97_FMTS,},
 583         .ops = &wm9712_dai_ops_hifi,
 584 },
 585 {
 586         .name = "wm9712-aux",
 587         .playback = {
 588                 .stream_name = "Aux Playback",
 589                 .channels_min = 1,
 590                 .channels_max = 1,
 591                 .rates = WM9712_AC97_RATES,
 592                 .formats = SND_SOC_STD_AC97_FMTS,},
 593         .ops = &wm9712_dai_ops_aux,
 594 }
 595 };
 596
 597 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
 598                                  enum snd_soc_bias_level level)
 599 {
 600         switch (level) {
 601         case SND_SOC_BIAS_ON:
 602         case SND_SOC_BIAS_PREPARE:
 603                 break;
 604         case SND_SOC_BIAS_STANDBY:
 605                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 606                 break;
 607         case SND_SOC_BIAS_OFF:
 608                 /* disable everything including AC link */
 609                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 610                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 611                 break;
 612         }
 613         codec->dapm.bias_level = level;
 614         return 0;
 615 }
 616
 617 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 618 {
 619         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 620
 621         if (try_warm && soc_ac97_ops->warm_reset) {
 622                 soc_ac97_ops->warm_reset(wm9712->ac97);
 623                 if (ac97_read(codec, 0) == wm9712_reg[0])
 624                         return 1;
 625         }
 626
 627         soc_ac97_ops->reset(wm9712->ac97);
 628         if (soc_ac97_ops->warm_reset)
 629                 soc_ac97_ops->warm_reset(wm9712->ac97);
 630         if (ac97_read(codec, 0) != wm9712_reg[0])
 631                 goto err;
 632         return 0;
 633
 634 err:
 635         dev_err(codec->dev, "Failed to reset: AC97 link error\n");
 636         return -EIO;
 637 }
 638
 639 static int wm9712_soc_resume(struct snd_soc_codec *codec)
 640 {
 641         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 642         int i, ret;
 643         u16 *cache = codec->reg_cache;
 644
 645         ret = wm9712_reset(codec, 1);
 646         if (ret < 0)
 647                 return ret;
 648
 649         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 650
 651         if (ret == 0) {
 652                 /* Sync reg_cache with the hardware after cold reset */
 653                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
 654                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 655                             (i > 0x58 && i != 0x5c))
 656                                 continue;
 657                         soc_ac97_ops->write(wm9712->ac97, i, cache[i>>1]);
 658                 }
 659         }
 660
 661         return ret;
 662 }
 663
 664 static int wm9712_soc_probe(struct snd_soc_codec *codec)
 665 {
 666         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 667         int ret = 0;
 668
 669         wm9712->ac97 = snd_soc_alloc_ac97_codec(codec);
 670         if (IS_ERR(wm9712->ac97)) {
 671                 ret = PTR_ERR(wm9712->ac97);
 672                 dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret);
 673                 return ret;
 674         }
 675
 676         ret = wm9712_reset(codec, 0);
 677         if (ret < 0)
 678                 goto err_put_device;
 679
 680         ret = device_add(&wm9712->ac97->dev);
 681         if (ret)
 682                 goto err_put_device;
 683
 684         /* set alc mux to none */
 685         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 686
 687         return 0;
 688
 689 err_put_device:
 690         put_device(&wm9712->ac97->dev);
 691         return ret;
 692 }
 693
 694 static int wm9712_soc_remove(struct snd_soc_codec *codec)
 695 {
 696         struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
 697
 698         snd_soc_free_ac97_codec(wm9712->ac97);
 699         return 0;
 700 }
 701
 702 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
 703         .probe =        wm9712_soc_probe,
 704         .remove =       wm9712_soc_remove,
 705         .resume =       wm9712_soc_resume,
 706         .read = ac97_read,
 707         .write = ac97_write,
 708         .set_bias_level = wm9712_set_bias_level,
 709         .suspend_bias_off = true,
 710         .reg_cache_size = ARRAY_SIZE(wm9712_reg),
 711         .reg_word_size = sizeof(u16),
 712         .reg_cache_step = 2,
 713         .reg_cache_default = wm9712_reg,
 714
 715         .controls = wm9712_snd_ac97_controls,
 716         .num_controls = ARRAY_SIZE(wm9712_snd_ac97_controls),
 717         .dapm_widgets = wm9712_dapm_widgets,
 718         .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
 719         .dapm_routes = wm9712_audio_map,
 720         .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
 721 };
 722
 723 static int wm9712_probe(struct platform_device *pdev)
 724 {
 725         struct wm9712_priv *wm9712;
 726
 727         wm9712 = devm_kzalloc(&pdev->dev, sizeof(*wm9712), GFP_KERNEL);
 728         if (wm9712 == NULL)
 729                 return -ENOMEM;
 730
 731         mutex_init(&wm9712->lock);
 732
 733         platform_set_drvdata(pdev, wm9712);
 734
 735         return snd_soc_register_codec(&pdev->dev,
 736                         &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
 737 }
 738
 739 static int wm9712_remove(struct platform_device *pdev)
 740 {
 741         snd_soc_unregister_codec(&pdev->dev);
 742         return 0;
 743 }
 744
 745 static struct platform_driver wm9712_codec_driver = {
 746         .driver = {
 747                 .name = "wm9712-codec",
 748         },
 749
 750         .probe = wm9712_probe,
 751         .remove = wm9712_remove,
 752 };
 753
 754 module_platform_driver(wm9712_codec_driver);
 755
 756 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 757 MODULE_AUTHOR("Liam Girdwood");
 758 MODULE_LICENSE("GPL");