sound/soc/codecs/wm9712.c

   1 /*
   2  * wm9712.c  --  ALSA Soc WM9712 codec support
   3  *
   4  * Copyright 2006 Wolfson Microelectronics PLC.
   5  * Author: Liam Girdwood <lrg@slimlogic.co.uk>
   6  *
   7  *  This program is free software; you can redistribute  it and/or modify it
   8  *  under  the terms of  the GNU General  Public License as published by the
   9  *  Free Software Foundation;  either version 2 of the  License, or (at your
  10  *  option) any later version.
  11  */
  12
  13 #include <linux/init.h>
  14 #include <linux/slab.h>
  15 #include <linux/module.h>
  16 #include <linux/kernel.h>
  17 #include <linux/device.h>
  18 #include <sound/core.h>
  19 #include <sound/pcm.h>
  20 #include <sound/ac97_codec.h>
  21 #include <sound/initval.h>
  22 #include <sound/soc.h>
  23 #include "wm9712.h"
  24
  25 static unsigned int ac97_read(struct snd_soc_codec *codec,
  26         unsigned int reg);
  27 static int ac97_write(struct snd_soc_codec *codec,
  28         unsigned int reg, unsigned int val);
  29
  30 /*
  31  * WM9712 register cache
  32  */
  33 static const u16 wm9712_reg[] = {
  34         0x6174, 0x8000, 0x8000, 0x8000, /*  6 */
  35         0x0f0f, 0xaaa0, 0xc008, 0x6808, /*  e */
  36         0xe808, 0xaaa0, 0xad00, 0x8000, /* 16 */
  37         0xe808, 0x3000, 0x8000, 0x0000, /* 1e */
  38         0x0000, 0x0000, 0x0000, 0x000f, /* 26 */
  39         0x0405, 0x0410, 0xbb80, 0xbb80, /* 2e */
  40         0x0000, 0xbb80, 0x0000, 0x0000, /* 36 */
  41         0x0000, 0x2000, 0x0000, 0x0000, /* 3e */
  42         0x0000, 0x0000, 0x0000, 0x0000, /* 46 */
  43         0x0000, 0x0000, 0xf83e, 0xffff, /* 4e */
  44         0x0000, 0x0000, 0x0000, 0xf83e, /* 56 */
  45         0x0008, 0x0000, 0x0000, 0x0000, /* 5e */
  46         0xb032, 0x3e00, 0x0000, 0x0000, /* 66 */
  47         0x0000, 0x0000, 0x0000, 0x0000, /* 6e */
  48         0x0000, 0x0000, 0x0000, 0x0006, /* 76 */
  49         0x0001, 0x0000, 0x574d, 0x4c12, /* 7e */
  50         0x0000, 0x0000 /* virtual hp mixers */
  51 };
  52
  53 /* virtual HP mixers regs */
  54 #define HPL_MIXER       0x80
  55 #define HPR_MIXER       0x82
  56
  57 static const char *wm9712_alc_select[] = {"None", "Left", "Right", "Stereo"};
  58 static const char *wm9712_alc_mux[] = {"Stereo", "Left", "Right", "None"};
  59 static const char *wm9712_out3_src[] = {"Left", "VREF", "Left + Right",
  60         "Mono"};
  61 static const char *wm9712_spk_src[] = {"Speaker Mix", "Headphone Mix"};
  62 static const char *wm9712_rec_adc[] = {"Stereo", "Left", "Right", "Mute"};
  63 static const char *wm9712_base[] = {"Linear Control", "Adaptive Boost"};
  64 static const char *wm9712_rec_gain[] = {"+1.5dB Steps", "+0.75dB Steps"};
  65 static const char *wm9712_mic[] = {"Mic 1", "Differential", "Mic 2",
  66         "Stereo"};
  67 static const char *wm9712_rec_sel[] = {"Mic", "NC", "NC", "Speaker Mixer",
  68         "Line", "Headphone Mixer", "Phone Mixer", "Phone"};
  69 static const char *wm9712_ng_type[] = {"Constant Gain", "Mute"};
  70 static const char *wm9712_diff_sel[] = {"Mic", "Line"};
  71
  72 static const struct soc_enum wm9712_enum[] = {
  73 SOC_ENUM_SINGLE(AC97_PCI_SVID, 14, 4, wm9712_alc_select),
  74 SOC_ENUM_SINGLE(AC97_VIDEO, 12, 4, wm9712_alc_mux),
  75 SOC_ENUM_SINGLE(AC97_AUX, 9, 4, wm9712_out3_src),
  76 SOC_ENUM_SINGLE(AC97_AUX, 8, 2, wm9712_spk_src),
  77 SOC_ENUM_SINGLE(AC97_REC_SEL, 12, 4, wm9712_rec_adc),
  78 SOC_ENUM_SINGLE(AC97_MASTER_TONE, 15, 2, wm9712_base),
  79 SOC_ENUM_DOUBLE(AC97_REC_GAIN, 14, 6, 2, wm9712_rec_gain),
  80 SOC_ENUM_SINGLE(AC97_MIC, 5, 4, wm9712_mic),
  81 SOC_ENUM_SINGLE(AC97_REC_SEL, 8, 8, wm9712_rec_sel),
  82 SOC_ENUM_SINGLE(AC97_REC_SEL, 0, 8, wm9712_rec_sel),
  83 SOC_ENUM_SINGLE(AC97_PCI_SVID, 5, 2, wm9712_ng_type),
  84 SOC_ENUM_SINGLE(0x5c, 8, 2, wm9712_diff_sel),
  85 };
  86
  87 static const struct snd_kcontrol_new wm9712_snd_ac97_controls[] = {
  88 SOC_DOUBLE("Speaker Playback Volume", AC97_MASTER, 8, 0, 31, 1),
  89 SOC_SINGLE("Speaker Playback Switch", AC97_MASTER, 15, 1, 1),
  90 SOC_DOUBLE("Headphone Playback Volume", AC97_HEADPHONE, 8, 0, 31, 1),
  91 SOC_SINGLE("Headphone Playback Switch", AC97_HEADPHONE, 15, 1, 1),
  92 SOC_DOUBLE("PCM Playback Volume", AC97_PCM, 8, 0, 31, 1),
  93
  94 SOC_SINGLE("Speaker Playback ZC Switch", AC97_MASTER, 7, 1, 0),
  95 SOC_SINGLE("Speaker Playback Invert Switch", AC97_MASTER, 6, 1, 0),
  96 SOC_SINGLE("Headphone Playback ZC Switch", AC97_HEADPHONE, 7, 1, 0),
  97 SOC_SINGLE("Mono Playback ZC Switch", AC97_MASTER_MONO, 7, 1, 0),
  98 SOC_SINGLE("Mono Playback Volume", AC97_MASTER_MONO, 0, 31, 1),
  99 SOC_SINGLE("Mono Playback Switch", AC97_MASTER_MONO, 15, 1, 1),
 100
 101 SOC_SINGLE("ALC Target Volume", AC97_CODEC_CLASS_REV, 12, 15, 0),
 102 SOC_SINGLE("ALC Hold Time", AC97_CODEC_CLASS_REV, 8, 15, 0),
 103 SOC_SINGLE("ALC Decay Time", AC97_CODEC_CLASS_REV, 4, 15, 0),
 104 SOC_SINGLE("ALC Attack Time", AC97_CODEC_CLASS_REV, 0, 15, 0),
 105 SOC_ENUM("ALC Function", wm9712_enum[0]),
 106 SOC_SINGLE("ALC Max Volume", AC97_PCI_SVID, 11, 7, 0),
 107 SOC_SINGLE("ALC ZC Timeout", AC97_PCI_SVID, 9, 3, 1),
 108 SOC_SINGLE("ALC ZC Switch", AC97_PCI_SVID, 8, 1, 0),
 109 SOC_SINGLE("ALC NG Switch", AC97_PCI_SVID, 7, 1, 0),
 110 SOC_ENUM("ALC NG Type", wm9712_enum[10]),
 111 SOC_SINGLE("ALC NG Threshold", AC97_PCI_SVID, 0, 31, 1),
 112
 113 SOC_SINGLE("Mic Headphone  Volume", AC97_VIDEO, 12, 7, 1),
 114 SOC_SINGLE("ALC Headphone Volume", AC97_VIDEO, 7, 7, 1),
 115
 116 SOC_SINGLE("Out3 Switch", AC97_AUX, 15, 1, 1),
 117 SOC_SINGLE("Out3 ZC Switch", AC97_AUX, 7, 1, 1),
 118 SOC_SINGLE("Out3 Volume", AC97_AUX, 0, 31, 1),
 119
 120 SOC_SINGLE("PCBeep Bypass Headphone Volume", AC97_PC_BEEP, 12, 7, 1),
 121 SOC_SINGLE("PCBeep Bypass Speaker Volume", AC97_PC_BEEP, 8, 7, 1),
 122 SOC_SINGLE("PCBeep Bypass Phone Volume", AC97_PC_BEEP, 4, 7, 1),
 123
 124 SOC_SINGLE("Aux Playback Headphone Volume", AC97_CD, 12, 7, 1),
 125 SOC_SINGLE("Aux Playback Speaker Volume", AC97_CD, 8, 7, 1),
 126 SOC_SINGLE("Aux Playback Phone Volume", AC97_CD, 4, 7, 1),
 127
 128 SOC_SINGLE("Phone Volume", AC97_PHONE, 0, 15, 1),
 129 SOC_DOUBLE("Line Capture Volume", AC97_LINE, 8, 0, 31, 1),
 130
 131 SOC_SINGLE("Capture 20dB Boost Switch", AC97_REC_SEL, 14, 1, 0),
 132 SOC_SINGLE("Capture to Phone 20dB Boost Switch", AC97_REC_SEL, 11, 1, 1),
 133
 134 SOC_SINGLE("3D Upper Cut-off Switch", AC97_3D_CONTROL, 5, 1, 1),
 135 SOC_SINGLE("3D Lower Cut-off Switch", AC97_3D_CONTROL, 4, 1, 1),
 136 SOC_SINGLE("3D Playback Volume", AC97_3D_CONTROL, 0, 15, 0),
 137
 138 SOC_ENUM("Bass Control", wm9712_enum[5]),
 139 SOC_SINGLE("Bass Cut-off Switch", AC97_MASTER_TONE, 12, 1, 1),
 140 SOC_SINGLE("Tone Cut-off Switch", AC97_MASTER_TONE, 4, 1, 1),
 141 SOC_SINGLE("Playback Attenuate (-6dB) Switch", AC97_MASTER_TONE, 6, 1, 0),
 142 SOC_SINGLE("Bass Volume", AC97_MASTER_TONE, 8, 15, 1),
 143 SOC_SINGLE("Treble Volume", AC97_MASTER_TONE, 0, 15, 1),
 144
 145 SOC_SINGLE("Capture ADC Switch", AC97_REC_GAIN, 15, 1, 1),
 146 SOC_ENUM("Capture Volume Steps", wm9712_enum[6]),
 147 SOC_DOUBLE("Capture Volume", AC97_REC_GAIN, 8, 0, 63, 1),
 148 SOC_SINGLE("Capture ZC Switch", AC97_REC_GAIN, 7, 1, 0),
 149
 150 SOC_SINGLE("Mic 1 Volume", AC97_MIC, 8, 31, 1),
 151 SOC_SINGLE("Mic 2 Volume", AC97_MIC, 0, 31, 1),
 152 SOC_SINGLE("Mic 20dB Boost Switch", AC97_MIC, 7, 1, 0),
 153 };
 154
 155 /* We have to create a fake left and right HP mixers because
 156  * the codec only has a single control that is shared by both channels.
 157  * This makes it impossible to determine the audio path.
 158  */
 159 static int mixer_event(struct snd_soc_dapm_widget *w,
 160         struct snd_kcontrol *k, int event)
 161 {
 162         u16 l, r, beep, line, phone, mic, pcm, aux;
 163
 164         l = ac97_read(w->codec, HPL_MIXER);
 165         r = ac97_read(w->codec, HPR_MIXER);
 166         beep = ac97_read(w->codec, AC97_PC_BEEP);
 167         mic = ac97_read(w->codec, AC97_VIDEO);
 168         phone = ac97_read(w->codec, AC97_PHONE);
 169         line = ac97_read(w->codec, AC97_LINE);
 170         pcm = ac97_read(w->codec, AC97_PCM);
 171         aux = ac97_read(w->codec, AC97_CD);
 172
 173         if (l & 0x1 || r & 0x1)
 174                 ac97_write(w->codec, AC97_VIDEO, mic & 0x7fff);
 175         else
 176                 ac97_write(w->codec, AC97_VIDEO, mic | 0x8000);
 177
 178         if (l & 0x2 || r & 0x2)
 179                 ac97_write(w->codec, AC97_PCM, pcm & 0x7fff);
 180         else
 181                 ac97_write(w->codec, AC97_PCM, pcm | 0x8000);
 182
 183         if (l & 0x4 || r & 0x4)
 184                 ac97_write(w->codec, AC97_LINE, line & 0x7fff);
 185         else
 186                 ac97_write(w->codec, AC97_LINE, line | 0x8000);
 187
 188         if (l & 0x8 || r & 0x8)
 189                 ac97_write(w->codec, AC97_PHONE, phone & 0x7fff);
 190         else
 191                 ac97_write(w->codec, AC97_PHONE, phone | 0x8000);
 192
 193         if (l & 0x10 || r & 0x10)
 194                 ac97_write(w->codec, AC97_CD, aux & 0x7fff);
 195         else
 196                 ac97_write(w->codec, AC97_CD, aux | 0x8000);
 197
 198         if (l & 0x20 || r & 0x20)
 199                 ac97_write(w->codec, AC97_PC_BEEP, beep & 0x7fff);
 200         else
 201                 ac97_write(w->codec, AC97_PC_BEEP, beep | 0x8000);
 202
 203         return 0;
 204 }
 205
 206 /* Left Headphone Mixers */
 207 static const struct snd_kcontrol_new wm9712_hpl_mixer_controls[] = {
 208         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPL_MIXER, 5, 1, 0),
 209         SOC_DAPM_SINGLE("Aux Playback Switch", HPL_MIXER, 4, 1, 0),
 210         SOC_DAPM_SINGLE("Phone Bypass Switch", HPL_MIXER, 3, 1, 0),
 211         SOC_DAPM_SINGLE("Line Bypass Switch", HPL_MIXER, 2, 1, 0),
 212         SOC_DAPM_SINGLE("PCM Playback Switch", HPL_MIXER, 1, 1, 0),
 213         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPL_MIXER, 0, 1, 0),
 214 };
 215
 216 /* Right Headphone Mixers */
 217 static const struct snd_kcontrol_new wm9712_hpr_mixer_controls[] = {
 218         SOC_DAPM_SINGLE("PCBeep Bypass Switch", HPR_MIXER, 5, 1, 0),
 219         SOC_DAPM_SINGLE("Aux Playback Switch", HPR_MIXER, 4, 1, 0),
 220         SOC_DAPM_SINGLE("Phone Bypass Switch", HPR_MIXER, 3, 1, 0),
 221         SOC_DAPM_SINGLE("Line Bypass Switch", HPR_MIXER, 2, 1, 0),
 222         SOC_DAPM_SINGLE("PCM Playback Switch", HPR_MIXER, 1, 1, 0),
 223         SOC_DAPM_SINGLE("Mic Sidetone Switch", HPR_MIXER, 0, 1, 0),
 224 };
 225
 226 /* Speaker Mixer */
 227 static const struct snd_kcontrol_new wm9712_speaker_mixer_controls[] = {
 228         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 11, 1, 1),
 229         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 11, 1, 1),
 230         SOC_DAPM_SINGLE("Phone Bypass Switch", AC97_PHONE, 14, 1, 1),
 231         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 14, 1, 1),
 232         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 14, 1, 1),
 233 };
 234
 235 /* Phone Mixer */
 236 static const struct snd_kcontrol_new wm9712_phone_mixer_controls[] = {
 237         SOC_DAPM_SINGLE("PCBeep Bypass Switch", AC97_PC_BEEP, 7, 1, 1),
 238         SOC_DAPM_SINGLE("Aux Playback Switch", AC97_CD, 7, 1, 1),
 239         SOC_DAPM_SINGLE("Line Bypass Switch", AC97_LINE, 13, 1, 1),
 240         SOC_DAPM_SINGLE("PCM Playback Switch", AC97_PCM, 13, 1, 1),
 241         SOC_DAPM_SINGLE("Mic 1 Sidetone Switch", AC97_MIC, 14, 1, 1),
 242         SOC_DAPM_SINGLE("Mic 2 Sidetone Switch", AC97_MIC, 13, 1, 1),
 243 };
 244
 245 /* ALC headphone mux */
 246 static const struct snd_kcontrol_new wm9712_alc_mux_controls =
 247 SOC_DAPM_ENUM("Route", wm9712_enum[1]);
 248
 249 /* out 3 mux */
 250 static const struct snd_kcontrol_new wm9712_out3_mux_controls =
 251 SOC_DAPM_ENUM("Route", wm9712_enum[2]);
 252
 253 /* spk mux */
 254 static const struct snd_kcontrol_new wm9712_spk_mux_controls =
 255 SOC_DAPM_ENUM("Route", wm9712_enum[3]);
 256
 257 /* Capture to Phone mux */
 258 static const struct snd_kcontrol_new wm9712_capture_phone_mux_controls =
 259 SOC_DAPM_ENUM("Route", wm9712_enum[4]);
 260
 261 /* Capture left select */
 262 static const struct snd_kcontrol_new wm9712_capture_selectl_controls =
 263 SOC_DAPM_ENUM("Route", wm9712_enum[8]);
 264
 265 /* Capture right select */
 266 static const struct snd_kcontrol_new wm9712_capture_selectr_controls =
 267 SOC_DAPM_ENUM("Route", wm9712_enum[9]);
 268
 269 /* Mic select */
 270 static const struct snd_kcontrol_new wm9712_mic_src_controls =
 271 SOC_DAPM_ENUM("Route", wm9712_enum[7]);
 272
 273 /* diff select */
 274 static const struct snd_kcontrol_new wm9712_diff_sel_controls =
 275 SOC_DAPM_ENUM("Route", wm9712_enum[11]);
 276
 277 static const struct snd_soc_dapm_widget wm9712_dapm_widgets[] = {
 278 SND_SOC_DAPM_MUX("ALC Sidetone Mux", SND_SOC_NOPM, 0, 0,
 279         &wm9712_alc_mux_controls),
 280 SND_SOC_DAPM_MUX("Out3 Mux", SND_SOC_NOPM, 0, 0,
 281         &wm9712_out3_mux_controls),
 282 SND_SOC_DAPM_MUX("Speaker Mux", SND_SOC_NOPM, 0, 0,
 283         &wm9712_spk_mux_controls),
 284 SND_SOC_DAPM_MUX("Capture Phone Mux", SND_SOC_NOPM, 0, 0,
 285         &wm9712_capture_phone_mux_controls),
 286 SND_SOC_DAPM_MUX("Left Capture Select", SND_SOC_NOPM, 0, 0,
 287         &wm9712_capture_selectl_controls),
 288 SND_SOC_DAPM_MUX("Right Capture Select", SND_SOC_NOPM, 0, 0,
 289         &wm9712_capture_selectr_controls),
 290 SND_SOC_DAPM_MUX("Mic Select Source", SND_SOC_NOPM, 0, 0,
 291         &wm9712_mic_src_controls),
 292 SND_SOC_DAPM_MUX("Differential Source", SND_SOC_NOPM, 0, 0,
 293         &wm9712_diff_sel_controls),
 294 SND_SOC_DAPM_MIXER("AC97 Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 295 SND_SOC_DAPM_MIXER_E("Left HP Mixer", AC97_INT_PAGING, 9, 1,
 296         &wm9712_hpl_mixer_controls[0], ARRAY_SIZE(wm9712_hpl_mixer_controls),
 297         mixer_event, SND_SOC_DAPM_POST_REG),
 298 SND_SOC_DAPM_MIXER_E("Right HP Mixer", AC97_INT_PAGING, 8, 1,
 299         &wm9712_hpr_mixer_controls[0], ARRAY_SIZE(wm9712_hpr_mixer_controls),
 300          mixer_event, SND_SOC_DAPM_POST_REG),
 301 SND_SOC_DAPM_MIXER("Phone Mixer", AC97_INT_PAGING, 6, 1,
 302         &wm9712_phone_mixer_controls[0], ARRAY_SIZE(wm9712_phone_mixer_controls)),
 303 SND_SOC_DAPM_MIXER("Speaker Mixer", AC97_INT_PAGING, 7, 1,
 304         &wm9712_speaker_mixer_controls[0],
 305         ARRAY_SIZE(wm9712_speaker_mixer_controls)),
 306 SND_SOC_DAPM_MIXER("Mono Mixer", SND_SOC_NOPM, 0, 0, NULL, 0),
 307 SND_SOC_DAPM_DAC("Left DAC", "Left HiFi Playback", AC97_INT_PAGING, 14, 1),
 308 SND_SOC_DAPM_DAC("Right DAC", "Right HiFi Playback", AC97_INT_PAGING, 13, 1),
 309 SND_SOC_DAPM_DAC("Aux DAC", "Aux Playback", SND_SOC_NOPM, 0, 0),
 310 SND_SOC_DAPM_ADC("Left ADC", "Left HiFi Capture", AC97_INT_PAGING, 12, 1),
 311 SND_SOC_DAPM_ADC("Right ADC", "Right HiFi Capture", AC97_INT_PAGING, 11, 1),
 312 SND_SOC_DAPM_PGA("Headphone PGA", AC97_INT_PAGING, 4, 1, NULL, 0),
 313 SND_SOC_DAPM_PGA("Speaker PGA", AC97_INT_PAGING, 3, 1, NULL, 0),
 314 SND_SOC_DAPM_PGA("Out 3 PGA", AC97_INT_PAGING, 5, 1, NULL, 0),
 315 SND_SOC_DAPM_PGA("Line PGA", AC97_INT_PAGING, 2, 1, NULL, 0),
 316 SND_SOC_DAPM_PGA("Phone PGA", AC97_INT_PAGING, 1, 1, NULL, 0),
 317 SND_SOC_DAPM_PGA("Mic PGA", AC97_INT_PAGING, 0, 1, NULL, 0),
 318 SND_SOC_DAPM_MICBIAS("Mic Bias", AC97_INT_PAGING, 10, 1),
 319 SND_SOC_DAPM_OUTPUT("MONOOUT"),
 320 SND_SOC_DAPM_OUTPUT("HPOUTL"),
 321 SND_SOC_DAPM_OUTPUT("HPOUTR"),
 322 SND_SOC_DAPM_OUTPUT("LOUT2"),
 323 SND_SOC_DAPM_OUTPUT("ROUT2"),
 324 SND_SOC_DAPM_OUTPUT("OUT3"),
 325 SND_SOC_DAPM_INPUT("LINEINL"),
 326 SND_SOC_DAPM_INPUT("LINEINR"),
 327 SND_SOC_DAPM_INPUT("PHONE"),
 328 SND_SOC_DAPM_INPUT("PCBEEP"),
 329 SND_SOC_DAPM_INPUT("MIC1"),
 330 SND_SOC_DAPM_INPUT("MIC2"),
 331 };
 332
 333 static const struct snd_soc_dapm_route wm9712_audio_map[] = {
 334         /* virtual mixer - mixes left & right channels for spk and mono */
 335         {"AC97 Mixer", NULL, "Left DAC"},
 336         {"AC97 Mixer", NULL, "Right DAC"},
 337
 338         /* Left HP mixer */
 339         {"Left HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 340         {"Left HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 341         {"Left HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 342         {"Left HP Mixer", "Line Bypass Switch",   "Line PGA"},
 343         {"Left HP Mixer", "PCM Playback Switch",  "Left DAC"},
 344         {"Left HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 345         {"Left HP Mixer", NULL,  "ALC Sidetone Mux"},
 346
 347         /* Right HP mixer */
 348         {"Right HP Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 349         {"Right HP Mixer", "Aux Playback Switch",  "Aux DAC"},
 350         {"Right HP Mixer", "Phone Bypass Switch",  "Phone PGA"},
 351         {"Right HP Mixer", "Line Bypass Switch",   "Line PGA"},
 352         {"Right HP Mixer", "PCM Playback Switch",  "Right DAC"},
 353         {"Right HP Mixer", "Mic Sidetone Switch",  "Mic PGA"},
 354         {"Right HP Mixer", NULL,  "ALC Sidetone Mux"},
 355
 356         /* speaker mixer */
 357         {"Speaker Mixer", "PCBeep Bypass Switch", "PCBEEP"},
 358         {"Speaker Mixer", "Line Bypass Switch",   "Line PGA"},
 359         {"Speaker Mixer", "PCM Playback Switch",  "AC97 Mixer"},
 360         {"Speaker Mixer", "Phone Bypass Switch",  "Phone PGA"},
 361         {"Speaker Mixer", "Aux Playback Switch",  "Aux DAC"},
 362
 363         /* Phone mixer */
 364         {"Phone Mixer", "PCBeep Bypass Switch",  "PCBEEP"},
 365         {"Phone Mixer", "Line Bypass Switch",    "Line PGA"},
 366         {"Phone Mixer", "Aux Playback Switch",   "Aux DAC"},
 367         {"Phone Mixer", "PCM Playback Switch",   "AC97 Mixer"},
 368         {"Phone Mixer", "Mic 1 Sidetone Switch", "Mic PGA"},
 369         {"Phone Mixer", "Mic 2 Sidetone Switch", "Mic PGA"},
 370
 371         /* inputs */
 372         {"Line PGA", NULL, "LINEINL"},
 373         {"Line PGA", NULL, "LINEINR"},
 374         {"Phone PGA", NULL, "PHONE"},
 375         {"Mic PGA", NULL, "MIC1"},
 376         {"Mic PGA", NULL, "MIC2"},
 377
 378         /* left capture selector */
 379         {"Left Capture Select", "Mic", "MIC1"},
 380         {"Left Capture Select", "Speaker Mixer", "Speaker Mixer"},
 381         {"Left Capture Select", "Line", "LINEINL"},
 382         {"Left Capture Select", "Headphone Mixer", "Left HP Mixer"},
 383         {"Left Capture Select", "Phone Mixer", "Phone Mixer"},
 384         {"Left Capture Select", "Phone", "PHONE"},
 385
 386         /* right capture selector */
 387         {"Right Capture Select", "Mic", "MIC2"},
 388         {"Right Capture Select", "Speaker Mixer", "Speaker Mixer"},
 389         {"Right Capture Select", "Line", "LINEINR"},
 390         {"Right Capture Select", "Headphone Mixer", "Right HP Mixer"},
 391         {"Right Capture Select", "Phone Mixer", "Phone Mixer"},
 392         {"Right Capture Select", "Phone", "PHONE"},
 393
 394         /* ALC Sidetone */
 395         {"ALC Sidetone Mux", "Stereo", "Left Capture Select"},
 396         {"ALC Sidetone Mux", "Stereo", "Right Capture Select"},
 397         {"ALC Sidetone Mux", "Left", "Left Capture Select"},
 398         {"ALC Sidetone Mux", "Right", "Right Capture Select"},
 399
 400         /* ADC's */
 401         {"Left ADC", NULL, "Left Capture Select"},
 402         {"Right ADC", NULL, "Right Capture Select"},
 403
 404         /* outputs */
 405         {"MONOOUT", NULL, "Phone Mixer"},
 406         {"HPOUTL", NULL, "Headphone PGA"},
 407         {"Headphone PGA", NULL, "Left HP Mixer"},
 408         {"HPOUTR", NULL, "Headphone PGA"},
 409         {"Headphone PGA", NULL, "Right HP Mixer"},
 410
 411         /* mono mixer */
 412         {"Mono Mixer", NULL, "Left HP Mixer"},
 413         {"Mono Mixer", NULL, "Right HP Mixer"},
 414
 415         /* Out3 Mux */
 416         {"Out3 Mux", "Left", "Left HP Mixer"},
 417         {"Out3 Mux", "Mono", "Phone Mixer"},
 418         {"Out3 Mux", "Left + Right", "Mono Mixer"},
 419         {"Out 3 PGA", NULL, "Out3 Mux"},
 420         {"OUT3", NULL, "Out 3 PGA"},
 421
 422         /* speaker Mux */
 423         {"Speaker Mux", "Speaker Mix", "Speaker Mixer"},
 424         {"Speaker Mux", "Headphone Mix", "Mono Mixer"},
 425         {"Speaker PGA", NULL, "Speaker Mux"},
 426         {"LOUT2", NULL, "Speaker PGA"},
 427         {"ROUT2", NULL, "Speaker PGA"},
 428 };
 429
 430 static unsigned int ac97_read(struct snd_soc_codec *codec,
 431         unsigned int reg)
 432 {
 433         u16 *cache = codec->reg_cache;
 434
 435         if (reg == AC97_RESET || reg == AC97_GPIO_STATUS ||
 436                 reg == AC97_VENDOR_ID1 || reg == AC97_VENDOR_ID2 ||
 437                 reg == AC97_REC_GAIN)
 438                 return soc_ac97_ops.read(codec->ac97, reg);
 439         else {
 440                 reg = reg >> 1;
 441
 442                 if (reg >= (ARRAY_SIZE(wm9712_reg)))
 443                         return -EIO;
 444
 445                 return cache[reg];
 446         }
 447 }
 448
 449 static int ac97_write(struct snd_soc_codec *codec, unsigned int reg,
 450         unsigned int val)
 451 {
 452         u16 *cache = codec->reg_cache;
 453
 454         if (reg < 0x7c)
 455                 soc_ac97_ops.write(codec->ac97, reg, val);
 456         reg = reg >> 1;
 457         if (reg < (ARRAY_SIZE(wm9712_reg)))
 458                 cache[reg] = val;
 459
 460         return 0;
 461 }
 462
 463 static int ac97_prepare(struct snd_pcm_substream *substream,
 464                         struct snd_soc_dai *dai)
 465 {
 466         struct snd_pcm_runtime *runtime = substream->runtime;
 467         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 468         struct snd_soc_codec *codec =rtd->codec;
 469         int reg;
 470         u16 vra;
 471
 472         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 473         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 474
 475         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 476                 reg = AC97_PCM_FRONT_DAC_RATE;
 477         else
 478                 reg = AC97_PCM_LR_ADC_RATE;
 479
 480         return ac97_write(codec, reg, runtime->rate);
 481 }
 482
 483 static int ac97_aux_prepare(struct snd_pcm_substream *substream,
 484                             struct snd_soc_dai *dai)
 485 {
 486         struct snd_pcm_runtime *runtime = substream->runtime;
 487         struct snd_soc_pcm_runtime *rtd = substream->private_data;
 488         struct snd_soc_codec *codec = rtd->codec;
 489         u16 vra, xsle;
 490
 491         vra = ac97_read(codec, AC97_EXTENDED_STATUS);
 492         ac97_write(codec, AC97_EXTENDED_STATUS, vra | 0x1);
 493         xsle = ac97_read(codec, AC97_PCI_SID);
 494         ac97_write(codec, AC97_PCI_SID, xsle | 0x8000);
 495
 496         if (substream->stream != SNDRV_PCM_STREAM_PLAYBACK)
 497                 return -ENODEV;
 498
 499         return ac97_write(codec, AC97_PCM_SURR_DAC_RATE, runtime->rate);
 500 }
 501
 502 #define WM9712_AC97_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 503                 SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 |\
 504                 SNDRV_PCM_RATE_48000)
 505
 506 static const struct snd_soc_dai_ops wm9712_dai_ops_hifi = {
 507         .prepare        = ac97_prepare,
 508 };
 509
 510 static const struct snd_soc_dai_ops wm9712_dai_ops_aux = {
 511         .prepare        = ac97_aux_prepare,
 512 };
 513
 514 static struct snd_soc_dai_driver wm9712_dai[] = {
 515 {
 516         .name = "wm9712-hifi",
 517         .ac97_control = 1,
 518         .playback = {
 519                 .stream_name = "HiFi Playback",
 520                 .channels_min = 1,
 521                 .channels_max = 2,
 522                 .rates = WM9712_AC97_RATES,
 523                 .formats = SND_SOC_STD_AC97_FMTS,},
 524         .capture = {
 525                 .stream_name = "HiFi Capture",
 526                 .channels_min = 1,
 527                 .channels_max = 2,
 528                 .rates = WM9712_AC97_RATES,
 529                 .formats = SND_SOC_STD_AC97_FMTS,},
 530         .ops = &wm9712_dai_ops_hifi,
 531 },
 532 {
 533         .name = "wm9712-aux",
 534         .playback = {
 535                 .stream_name = "Aux Playback",
 536                 .channels_min = 1,
 537                 .channels_max = 1,
 538                 .rates = WM9712_AC97_RATES,
 539                 .formats = SND_SOC_STD_AC97_FMTS,},
 540         .ops = &wm9712_dai_ops_aux,
 541 }
 542 };
 543
 544 static int wm9712_set_bias_level(struct snd_soc_codec *codec,
 545                                  enum snd_soc_bias_level level)
 546 {
 547         switch (level) {
 548         case SND_SOC_BIAS_ON:
 549         case SND_SOC_BIAS_PREPARE:
 550                 break;
 551         case SND_SOC_BIAS_STANDBY:
 552                 ac97_write(codec, AC97_POWERDOWN, 0x0000);
 553                 break;
 554         case SND_SOC_BIAS_OFF:
 555                 /* disable everything including AC link */
 556                 ac97_write(codec, AC97_EXTENDED_MSTATUS, 0xffff);
 557                 ac97_write(codec, AC97_POWERDOWN, 0xffff);
 558                 break;
 559         }
 560         codec->dapm.bias_level = level;
 561         return 0;
 562 }
 563
 564 static int wm9712_reset(struct snd_soc_codec *codec, int try_warm)
 565 {
 566         if (try_warm && soc_ac97_ops.warm_reset) {
 567                 soc_ac97_ops.warm_reset(codec->ac97);
 568                 if (ac97_read(codec, 0) == wm9712_reg[0])
 569                         return 1;
 570         }
 571
 572         soc_ac97_ops.reset(codec->ac97);
 573         if (soc_ac97_ops.warm_reset)
 574                 soc_ac97_ops.warm_reset(codec->ac97);
 575         if (ac97_read(codec, 0) != wm9712_reg[0])
 576                 goto err;
 577         return 0;
 578
 579 err:
 580         printk(KERN_ERR "WM9712 AC97 reset failed\n");
 581         return -EIO;
 582 }
 583
 584 static int wm9712_soc_suspend(struct snd_soc_codec *codec)
 585 {
 586         wm9712_set_bias_level(codec, SND_SOC_BIAS_OFF);
 587         return 0;
 588 }
 589
 590 static int wm9712_soc_resume(struct snd_soc_codec *codec)
 591 {
 592         int i, ret;
 593         u16 *cache = codec->reg_cache;
 594
 595         ret = wm9712_reset(codec, 1);
 596         if (ret < 0) {
 597                 printk(KERN_ERR "could not reset AC97 codec\n");
 598                 return ret;
 599         }
 600
 601         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 602
 603         if (ret == 0) {
 604                 /* Sync reg_cache with the hardware after cold reset */
 605                 for (i = 2; i < ARRAY_SIZE(wm9712_reg) << 1; i += 2) {
 606                         if (i == AC97_INT_PAGING || i == AC97_POWERDOWN ||
 607                             (i > 0x58 && i != 0x5c))
 608                                 continue;
 609                         soc_ac97_ops.write(codec->ac97, i, cache[i>>1]);
 610                 }
 611         }
 612
 613         return ret;
 614 }
 615
 616 static int wm9712_soc_probe(struct snd_soc_codec *codec)
 617 {
 618         int ret = 0;
 619
 620         ret = snd_soc_new_ac97_codec(codec, &soc_ac97_ops, 0);
 621         if (ret < 0) {
 622                 printk(KERN_ERR "wm9712: failed to register AC97 codec\n");
 623                 return ret;
 624         }
 625
 626         ret = wm9712_reset(codec, 0);
 627         if (ret < 0) {
 628                 printk(KERN_ERR "Failed to reset WM9712: AC97 link error\n");
 629                 goto reset_err;
 630         }
 631
 632         /* set alc mux to none */
 633         ac97_write(codec, AC97_VIDEO, ac97_read(codec, AC97_VIDEO) | 0x3000);
 634
 635         wm9712_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 636         snd_soc_add_controls(codec, wm9712_snd_ac97_controls,
 637                                 ARRAY_SIZE(wm9712_snd_ac97_controls));
 638
 639         return 0;
 640
 641 reset_err:
 642         snd_soc_free_ac97_codec(codec);
 643         return ret;
 644 }
 645
 646 static int wm9712_soc_remove(struct snd_soc_codec *codec)
 647 {
 648         snd_soc_free_ac97_codec(codec);
 649         return 0;
 650 }
 651
 652 static struct snd_soc_codec_driver soc_codec_dev_wm9712 = {
 653         .probe =        wm9712_soc_probe,
 654         .remove =       wm9712_soc_remove,
 655         .suspend =      wm9712_soc_suspend,
 656         .resume =       wm9712_soc_resume,
 657         .read = ac97_read,
 658         .write = ac97_write,
 659         .set_bias_level = wm9712_set_bias_level,
 660         .reg_cache_size = ARRAY_SIZE(wm9712_reg),
 661         .reg_word_size = sizeof(u16),
 662         .reg_cache_step = 2,
 663         .reg_cache_default = wm9712_reg,
 664         .dapm_widgets = wm9712_dapm_widgets,
 665         .num_dapm_widgets = ARRAY_SIZE(wm9712_dapm_widgets),
 666         .dapm_routes = wm9712_audio_map,
 667         .num_dapm_routes = ARRAY_SIZE(wm9712_audio_map),
 668 };
 669
 670 static __devinit int wm9712_probe(struct platform_device *pdev)
 671 {
 672         return snd_soc_register_codec(&pdev->dev,
 673                         &soc_codec_dev_wm9712, wm9712_dai, ARRAY_SIZE(wm9712_dai));
 674 }
 675
 676 static int __devexit wm9712_remove(struct platform_device *pdev)
 677 {
 678         snd_soc_unregister_codec(&pdev->dev);
 679         return 0;
 680 }
 681
 682 static struct platform_driver wm9712_codec_driver = {
 683         .driver = {
 684                         .name = "wm9712-codec",
 685                         .owner = THIS_MODULE,
 686         },
 687
 688         .probe = wm9712_probe,
 689         .remove = __devexit_p(wm9712_remove),
 690 };
 691
 692 module_platform_driver(wm9712_codec_driver);
 693
 694 MODULE_DESCRIPTION("ASoC WM9711/WM9712 driver");
 695 MODULE_AUTHOR("Liam Girdwood");
 696 MODULE_LICENSE("GPL");