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
   6  *         liam.girdwood@wolfsonmicro.com or linux@wolfsonmicro.com
   7  *
   8  *  This program is free software; you can redistribute  it and/or modify it
   9  *  under  the terms of  the GNU General  Public License as published by the
  10  *  Free Software Foundation;  either version 2 of the  License, or (at your
  11  *  option) any later version.
  12  *
  13  *  Revision history
  14  *    4th Feb 2006   Initial version.
  15  */
  16
  17 #include <linux/init.h>
  18 #include <linux/module.h>
  19 #include <linux/version.h>
  20 #include <linux/kernel.h>
  21 #include <linux/device.h>
  22 #include <sound/driver.h>
  23 #include <sound/core.h>
  24 #include <sound/pcm.h>
  25 #include <sound/ac97_codec.h>
  26 #include <sound/initval.h>
  27 #include <sound/soc.h>
  28 #include <sound/soc-dapm.h>
  29
  30 #define WM9712_VERSION "0.4"
  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 #define AC97_DIR \
  38         (SND_SOC_DAIDIR_PLAYBACK | SND_SOC_DAIDIR_CAPTURE)
  39
  40 #define AC97_RATES \
  41         (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 | SNDRV_PCM_RATE_16000 | \
  42         SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | \
  43         SNDRV_PCM_RATE_48000)
  44
  45 /* may need to expand this */
  46 static struct snd_soc_dai_mode ac97_modes[] = {
  47         {
  48                 .pcmfmt = SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S18_3LE,
  49                 .pcmrate = AC97_RATES,
  50                 .pcmdir = AC97_DIR,
  51         },
  52 };
  53
  54 /*
  55  * WM9712 register cache
  56  */
  57 static const u16 wm9712_reg[] = {
  58         0x6174, 0x8000, 0x8000, 0x8000, // 6
  59         0xf0f0, 0xaaa0, 0xc008, 0x6808, // e
  60         0xe808, 0xaaa0, 0xad00, 0x8000, // 16
  61         0xe808, 0x3000, 0x8000, 0x0000, // 1e
  62         0x0000, 0x0000, 0x0000, 0x000f, // 26
  63         0x0405, 0x0410, 0xbb80, 0xbb80, // 2e
  64         0x0000, 0xbb80, 0x0000, 0x0000, // 36
  65         0x0000, 0x2000, 0x0000, 0x0000, // 3e
  66         0x0000, 0x0000, 0x0000, 0x0000, // 46
  67         0x0000, 0x0000, 0xf83e, 0xffff, // 4e
  68         0x0000, 0x0000, 0x0000, 0xf83e, // 56
  69         0x0008, 0x0000, 0x0000, 0x0000, // 5e
  70         0xb032, 0x3e00, 0x0000, 0x0000, // 66
  71         0x0000, 0x0000, 0x0000, 0x0000, // 6e
  72         0x0000, 0x0000, 0x0000, 0x0006, // 76
  73         0x0001, 0x0000, 0x574d, 0x4c12, // 7e
  74         0x0000, 0x0000 // virtual hp mixers
  75 };
  76
  77 /* virtual HP mixers regs */
  78 #define HPL_MIXER       0x80
  79 #define HPR_MIXER       0x82
  80
  81 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
  82 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
  83 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
  84         "Mono"};
  85 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
  86 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
  87 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
  88 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
  89 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
  90         "Stereo"};
  91 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
  92         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
  93 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
  94 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
  95
  96 static const struct soc_enum wm9712_enum[] = {
  97 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
  98 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
  99 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
 100 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
 101 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
 102 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
 103 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
 104 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
 105 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
 106 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
 107 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
 108 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
 109 };
 110
 111 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
 112 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
 113 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
 114 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
 115 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE,15, 1, 1),
 116
 117 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
 118 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
 119 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
 120 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
 121 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 0),
 122
 123 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
 124 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
 125 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
 126 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
 127 SOC_ENUM("ALC Function", wm9712_enum[0]),
 128 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
 129 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
 130 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
 131 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
 132 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
 133 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
 134
 135 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
 136 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
 137
 138 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
 139 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
 140 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
 141
 142 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
 143 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
 144 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
 145
 146 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
 147 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
 148 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
 149
 150 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 0),
 151 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
 152
 153 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
 154 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
 155
 156 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
 157 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
 158 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
 159
 160 SOC_ENUM("Bass Control", wm9712_enum[5]),
 161 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
 162 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
 163 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
 164 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 0),
 165 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 0),
 166
 167 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
 168 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
 169 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
 170 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
 171
 172 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
 173 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
 174 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
 175 };
 176
 177 /* add non dapm controls */
 178 static int wm9712_add_controls(struct snd_soc_codec *codec)
 179 {
 180         int err, i;
 181
 182         for (i = 0; i < ARRAY_SIZE(wm9712_snd_ac97_controls); i++) {
 183                 err = snd_ctl_add(codec->card,
 184                                 snd_soc_cnew(&wm9712_snd_ac97_controls[i],codec, NULL));
 185                 if (err < 0)
 186                         return err;
 187         }
 188         return 0;
 189 }
 190
 191 /* We have to create a fake left and right HP mixers because
 192  * the codec only has a single control that is shared by both channels.
 193  * This makes it impossible to determine the audio path.
 194  */
 195 static int mixer_event (struct snd_soc_dapm_widget *w, int event)
 196 {
 197         u16 l, r, beep, line, phone, mic, pcm, aux;
 198
 199         l = ac97_read(w->codec, HPL_MIXER);
 200         r = ac97_read(w->codec, HPR_MIXER);
 201         beep = ac97_read(w->codec, AC97_PC_BEEP);
 202         mic = ac97_read(w->codec, AC97_VIDEO);
 203         phone = ac97_read(w->codec, AC97_PHONE);
 204         line = ac97_read(w->codec, AC97_LINE);
 205         pcm = ac97_read(w->codec, AC97_PCM);
 206         aux = ac97_read(w->codec, AC97_CD);
 207
 208         if (l & 0x1 || r & 0x1)
 209                 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
 210         else
 211                 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
 212
 213         if (l & 0x2 || r & 0x2)
 214                 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
 215         else
 216                 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
 217
 218         if (l & 0x4 || r & 0x4)
 219                 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
 220         else
 221                 ac97_write(w->codec, AC97_LINE, line | 0x8000);
 222
 223         if (l & 0x8 || r & 0x8)
 224                 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
 225         else
 226                 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
 227
 228         if (l & 0x10 || r & 0x10)
 229                 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
 230         else
 231                 ac97_write(w->codec, AC97_CD, aux | 0x8000);
 232
 233         if (l & 0x20 || r & 0x20)
 234                 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
 235         else
 236                 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
 237
 238         return 0;
 239 }
 240
 241 /* Left Headphone Mixers */
 242 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
 243         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
 244         SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
 245         SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
 246         SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
 247         SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
 248         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
 249 };
 250
 251 /* Right Headphone Mixers */
 252 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
 253         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
 254         SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
 255         SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
 256         SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
 257         SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
 258         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
 259 };
 260
 261 /* Speaker Mixer */
 262 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
 263         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
 264         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
 265         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
 266         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
 267         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
 268 };
 269
 270 /* Phone Mixer */
 271 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
 272         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
 273         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
 274         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
 275         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
 276         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
 277         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
 278 };
 279
 280 /* ALC headphone mux */
 281 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
 282 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
 283
 284 /* out 3 mux */
 285 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
 286 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
 287
 288 /* spk mux */
 289 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
 290 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
 291
 292 /* Capture to Phone mux */
 293 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
 294 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
 295
 296 /* Capture left select */
 297 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
 298 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
 299
 300 /* Capture right select */
 301 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
 302 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
 303
 304 /* Mic select */
 305 static const struct snd_kcontrol_new wm9712_mic_src_controls =
 306 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
 307
 308 /* diff select */
 309 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
 310 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
 311
 312 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
 313 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
 314         &wm9712_alc_mux_controls),
 315 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
 316         &wm9712_out3_mux_controls),
 317 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
 318         &wm9712_spk_mux_controls),
 319 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
 320         &wm9712_capture_phone_mux_controls),
 321 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
 322         &wm9712_capture_selectl_controls),
 323 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
 324         &wm9712_capture_selectr_controls),
 325 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
 326         &wm9712_mic_src_controls),
 327 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 328         &wm9712_diff_sel_controls),
 329 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 330 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 331         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
 332         mixer_event, SND_SOC_DAPM_POST_REG),
 333 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 334         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
 335          mixer_event, SND_SOC_DAPM_POST_REG),
 336 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 337         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 338 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 339         &wm9712_speaker_mixer_controls[0],
 340         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 341 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 342 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 343 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 344 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 345 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 346 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 347 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 348 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 349 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 350 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 351 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 352 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 353 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 354 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 355 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 356 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 357 SND_SOC_DAPM_OUTPUT("LOUT2"),
 358 SND_SOC_DAPM_OUTPUT("ROUT2"),
 359 SND_SOC_DAPM_OUTPUT("OUT3"),
 360 SND_SOC_DAPM_INPUT("LINEINL"),
 361 SND_SOC_DAPM_INPUT("LINEINR"),
 362 SND_SOC_DAPM_INPUT("PHONE"),
 363 SND_SOC_DAPM_INPUT("PCBEEP"),
 364 SND_SOC_DAPM_INPUT("MIC1"),
 365 SND_SOC_DAPM_INPUT("MIC2"),
 366 };
 367
 368 static const char *audio_map[][3] = {
 369         /* virtual mixer - mixes left & right channels for spk and mono */
 370         {"AC97 Mixer", NULL, "Left DAC"},
 371         {"AC97 Mixer", NULL, "Right DAC"},
 372
 373         /* Left HP mixer */
 374         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 375         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 376         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 377         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 378         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 379         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 380         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 381         //{"Right HP Mixer", NULL, "HP Mixer"},
 382
 383         /* Right HP mixer */
 384         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 385         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 386         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 387         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 388         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 389         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 390         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 391
 392         /* speaker mixer */
 393         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 394         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 395         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 396         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 397         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 398
 399         /* Phone mixer */
 400         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 401         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 402         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 403         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 404         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 405         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 406
 407         /* inputs */
 408         {"Line PGA", NULL, "LINEINL"},
 409         {"Line PGA", NULL, "LINEINR"},
 410         {"Phone PGA", NULL, "PHONE"},
 411         {"Mic PGA", NULL, "MIC1"},
 412         {"Mic PGA", NULL, "MIC2"},
 413
 414         /* left capture selector */
 415         {"Left Capture Select", "Mic", "MIC1"},
 416         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
 417         {"Left Capture Select", "Line", "LINEINL"},
 418         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
 419         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
 420         {"Left Capture Select", "Phone", "PHONE"},
 421
 422         /* right capture selector */
 423         {"Right Capture Select", "Mic", "MIC2"},
 424         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
 425         {"Right Capture Select", "Line", "LINEINR"},
 426         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
 427         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
 428         {"Right Capture Select", "Phone", "PHONE"},
 429
 430         /* ALC Sidetone */
 431         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
 432         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
 433         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
 434         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
 435
 436         /* ADC's */
 437         {"Left ADC", NULL, "Left Capture Select"},
 438         {"Right ADC", NULL, "Right Capture Select"},
 439
 440         /* outputs */
 441         {"MONOOUT", NULL, "Phone Mixer"},
 442         {"HPOUTL", NULL, "Headphone PGA"},
 443         {"Headphone PGA", NULL, "Left HP Mixer"},
 444         {"HPOUTR", NULL, "Headphone PGA"},
 445         {"Headphone PGA", NULL, "Right HP Mixer"},
 446
 447         /* mono hp mixer */
 448         {"Mono HP Mixer", NULL, "Left HP Mixer"},
 449         {"Mono HP Mixer", NULL, "Right HP Mixer"},
 450
 451         /* Out3 Mux */
 452         {"Out3 Mux", "Left", "Left HP Mixer"},
 453         {"Out3 Mux", "Mono", "Phone Mixer"},
 454         {"Out3 Mux", "Left + Right", "Mono HP Mixer"},
 455         {"Out 3 PGA", NULL, "Out3 Mux"},
 456         {"OUT3", NULL, "Out 3 PGA"},
 457
 458         /* speaker Mux */
 459         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
 460         {"Speaker Mux", "Headphone Mix", "Mono HP Mixer"},
 461         {"Speaker PGA", NULL, "Speaker Mux"},
 462         {"LOUT2", NULL, "Speaker PGA"},
 463         {"ROUT2", NULL, "Speaker PGA"},
 464
 465         {NULL, NULL, NULL},
 466 };
 467
 468 static int wm9712_add_widgets(struct snd_soc_codec *codec)
 469 {
 470         int i;
 471
 472         for(i = 0; i < ARRAY_SIZE(wm9712_dapm_widgets); i++) {
 473                 snd_soc_dapm_new_control(codec, &wm9712_dapm_widgets[i]);
 474         }
 475
 476         /* set up audio path audio_mapnects */
 477         for(i = 0; audio_map[i][0] != NULL; i++) {
 478                 snd_soc_dapm_connect_input(codec, audio_map[i][0],
 479                         audio_map[i][1], audio_map[i][2]);
 480         }
 481
 482         snd_soc_dapm_new_widgets(codec);
 483         return 0;
 484 }
 485
 486 static unsigned int ac97_read(struct snd_soc_codec *codec,
 487         unsigned int reg)
 488 {
 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(codec->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         u16 *cache = codec->reg_cache;
 509
 510         soc_ac97_ops.write(codec->ac97, reg, val);
 511         reg = reg >> 1;
 512         if (reg <= (ARRAY_SIZE(wm9712_reg)))
 513                 cache[reg] = val;
 514
 515         return 0;
 516 }
 517
 518 static int ac97_prepare(struct snd_pcm_substream *substream)
 519 {
 520         struct snd_pcm_runtime *runtime = substream->runtime;
 521         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 522         struct snd_soc_device *socdev = rtd->socdev;
 523         struct snd_soc_codec *codec = socdev->codec;
 524         int reg;
 525         u16 vra;
 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 {
 540         struct snd_pcm_runtime *runtime = substream->runtime;
 541         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 542         struct snd_soc_device *socdev = rtd->socdev;
 543         struct snd_soc_codec *codec = socdev->codec;
 544         u16 vra, xsle;
 545
 546         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 547         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 548         xsle = ac97_read(codec, AC97_PCI_SID);
 549         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 550
 551         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 552                 return -ENODEV;
 553
 554         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 555 }
 556
 557 struct snd_soc_codec_dai wm9712_dai[] = {
 558 {
 559         .name = "AC97 HiFi",
 560         .playback = {
 561                 .stream_name = "HiFi Playback",
 562                 .channels_min = 1,
 563                 .channels_max = 2,},
 564         .capture = {
 565                 .stream_name = "HiFi Capture",
 566                 .channels_min = 1,
 567                 .channels_max = 2,},
 568         .ops = {
 569                 .prepare = ac97_prepare,},
 570         .caps = {
 571                 .num_modes = ARRAY_SIZE(ac97_modes),
 572                 .mode = ac97_modes,},
 573         },
 574         {
 575         .name = "AC97 Aux",
 576         .playback = {
 577                 .stream_name = "Aux Playback",
 578                 .channels_min = 1,
 579                 .channels_max = 1,},
 580         .ops = {
 581                 .prepare = ac97_aux_prepare,},
 582         .caps = {
 583                 .num_modes = ARRAY_SIZE(ac97_modes),
 584                 .mode = ac97_modes,},
 585         },
 586 };
 587 EXPORT_SYMBOL_GPL(wm9712_dai);
 588
 589 static int wm9712_dapm_event(struct snd_soc_codec *codec, int event)
 590 {
 591         u16 reg;
 592
 593         switch (event) {
 594         case SNDRV_CTL_POWER_D0: /* full On */
 595                 /* liam - maybe enable thermal shutdown */
 596                 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xdfff;
 597                 ac97_write(codec, AC97_EXTENDED_MID, reg);
 598                 break;
 599         case SNDRV_CTL_POWER_D1: /* partial On */
 600         case SNDRV_CTL_POWER_D2: /* partial On */
 601                 break;
 602         case SNDRV_CTL_POWER_D3hot: /* Off, with power */
 603                 /* enable master bias and vmid */
 604                 reg = ac97_read(codec, AC97_EXTENDED_MID) & 0xbbff;
 605                 ac97_write(codec, AC97_EXTENDED_MID, reg);
 606                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 607                 break;
 608         case SNDRV_CTL_POWER_D3cold: /* Off, without power */
 609                 /* disable everything including AC link */
 610                 ac97_write(codec, AC97_EXTENDED_MID, 0xffff);
 611                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 612                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 613                 break;
 614         }
 615         codec->dapm_state = event;
 616         return 0;
 617 }
 618
 619 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 620 {
 621         if (try_warm && soc_ac97_ops.warm_reset) {
 622                 soc_ac97_ops.warm_reset(codec->ac97);
 623                 if (!(ac97_read(codec, 0) & 0x8000))
 624                         return 1;
 625         }
 626
 627         soc_ac97_ops.reset(codec->ac97);
 628         if (ac97_read(codec, 0) & 0x8000)
 629                 goto err;
 630         return 0;
 631
 632 err:
 633         printk(KERN_ERR "WM9712 AC97 reset failed\n");
 634         return -EIO;
 635 }
 636
 637 static int wm9712_soc_suspend(struct platform_device *pdev,
 638         pm_message_t state)
 639 {
 640         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 641         struct snd_soc_codec *codec = socdev->codec;
 642
 643         wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3cold);
 644         return 0;
 645 }
 646
 647 static int wm9712_soc_resume(struct platform_device *pdev)
 648 {
 649         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 650         struct snd_soc_codec *codec = socdev->codec;
 651         int i, ret;
 652         u16 *cache = codec->reg_cache;
 653
 654         ret = wm9712_reset(codec, 1);
 655         if (ret < 0){
 656                 printk(KERN_ERR "could not reset AC97 codec\n");
 657                 return ret;
 658         }
 659
 660         wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
 661
 662         if (ret == 0) {
 663                 /* Sync reg_cache with the hardware after cold reset */
 664                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i+=2) {
 665                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 666                                 (i > 0x58 && i != 0x5c))
 667                                 continue;
 668                         soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
 669                 }
 670         }
 671
 672         if (codec->suspend_dapm_state == SNDRV_CTL_POWER_D0)
 673                 wm9712_dapm_event(codec, SNDRV_CTL_POWER_D0);
 674
 675         return ret;
 676 }
 677
 678 static int wm9712_soc_probe(struct platform_device *pdev)
 679 {
 680         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 681         struct snd_soc_codec *codec;
 682         int ret = 0;
 683
 684         printk(KERN_INFO "WM9711/WM9712 SoC Audio Codec %s\n", WM9712_VERSION);
 685
 686         socdev->codec = kzalloc(sizeof(struct snd_soc_codec), GFP_KERNEL);
 687         if (socdev->codec == NULL)
 688                 return -ENOMEM;
 689         codec = socdev->codec;
 690         mutex_init(&codec->mutex);
 691
 692         codec->reg_cache =
 693                 kzalloc(sizeof(u16) * ARRAY_SIZE(wm9712_reg), GFP_KERNEL);
 694         if (codec->reg_cache == NULL) {
 695                 kfree(codec->ac97);
 696                 kfree(socdev->codec);
 697                 socdev->codec = NULL;
 698                 return -ENOMEM;
 699         }
 700         memcpy(codec->reg_cache, wm9712_reg, sizeof(u16) * ARRAY_SIZE(wm9712_reg));
 701         codec->reg_cache_size = sizeof(u16) * ARRAY_SIZE(wm9712_reg);
 702         codec->reg_cache_step = 2;
 703
 704         codec->name = "WM9712";
 705         codec->owner = THIS_MODULE;
 706         codec->dai = wm9712_dai;
 707         codec->num_dai = ARRAY_SIZE(wm9712_dai);
 708         codec->write = ac97_write;
 709         codec->read = ac97_read;
 710         codec->dapm_event = wm9712_dapm_event;
 711         INIT_LIST_HEAD(&codec->dapm_widgets);
 712         INIT_LIST_HEAD(&codec->dapm_paths);
 713
 714         ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 715         if (ret < 0)
 716                 goto err;
 717
 718         /* register pcms */
 719         ret = snd_soc_new_pcms(socdev, SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1);
 720         if (ret < 0)
 721                 goto pcm_err;
 722
 723         ret = wm9712_reset(codec, 0);
 724         if (ret < 0) {
 725                 printk(KERN_ERR "AC97 link error\n");
 726                 goto reset_err;
 727         }
 728
 729         /* set alc mux to none */
 730         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 731
 732         wm9712_dapm_event(codec, SNDRV_CTL_POWER_D3hot);
 733         wm9712_add_controls(codec);
 734         wm9712_add_widgets(codec);
 735         ret = snd_soc_register_card(socdev);
 736         if (ret < 0)
 737                 goto reset_err;
 738
 739         return 0;
 740
 741 reset_err:
 742         snd_soc_free_pcms(socdev);
 743
 744 pcm_err:
 745         snd_soc_free_ac97_codec(codec);
 746
 747 err:
 748         kfree(socdev->codec->reg_cache);
 749         kfree(socdev->codec);
 750         socdev->codec = NULL;
 751         return ret;
 752 }
 753
 754 static int wm9712_soc_remove(struct platform_device *pdev)
 755 {
 756         struct snd_soc_device *socdev = platform_get_drvdata(pdev);
 757         struct snd_soc_codec *codec = socdev->codec;
 758
 759         if (codec == NULL)
 760                 return 0;
 761
 762         snd_soc_dapm_free(socdev);
 763         snd_soc_free_pcms(socdev);
 764         snd_soc_free_ac97_codec(codec);
 765         kfree(codec->reg_cache);
 766         kfree(codec);
 767         return 0;
 768 }
 769
 770 struct snd_soc_codec_device soc_codec_dev_wm9712 = {
 771         .probe =        wm9712_soc_probe,
 772         .remove =       wm9712_soc_remove,
 773         .suspend =      wm9712_soc_suspend,
 774         .resume =       wm9712_soc_resume,
 775 };
 776
 777 EXPORT_SYMBOL_GPL(soc_codec_dev_wm9712);
 778
 779 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 780 MODULE_AUTHOR("Liam Girdwood");
 781 MODULE_LICENSE("GPL");