sound/soc/codecs/ak4671.c

   1 /*
   2  * ak4671.c  --  audio driver for AK4671
   3  *
   4  * Copyright (C) 2009 Samsung Electronics Co.Ltd
   5  * Author: Joonyoung Shim <jy0922.shim@samsung.com>
   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
  14 #include <linux/module.h>
  15 #include <linux/init.h>
  16 #include <linux/i2c.h>
  17 #include <linux/delay.h>
  18 #include <linux/slab.h>
  19 #include <sound/soc.h>
  20 #include <sound/initval.h>
  21 #include <sound/tlv.h>
  22
  23 #include "ak4671.h"
  24
  25
  26 /* codec private data */
  27 struct ak4671_priv {
  28         enum snd_soc_control_type control_type;
  29         void *control_data;
  30 };
  31
  32 /* ak4671 register cache & default register settings */
  33 static const u8 ak4671_reg[AK4671_CACHEREGNUM] = {
  34         0x00,   /* AK4671_AD_DA_POWER_MANAGEMENT        (0x00)  */
  35         0xf6,   /* AK4671_PLL_MODE_SELECT0              (0x01)  */
  36         0x00,   /* AK4671_PLL_MODE_SELECT1              (0x02)  */
  37         0x02,   /* AK4671_FORMAT_SELECT                 (0x03)  */
  38         0x00,   /* AK4671_MIC_SIGNAL_SELECT             (0x04)  */
  39         0x55,   /* AK4671_MIC_AMP_GAIN                  (0x05)  */
  40         0x00,   /* AK4671_MIXING_POWER_MANAGEMENT0      (0x06)  */
  41         0x00,   /* AK4671_MIXING_POWER_MANAGEMENT1      (0x07)  */
  42         0xb5,   /* AK4671_OUTPUT_VOLUME_CONTROL         (0x08)  */
  43         0x00,   /* AK4671_LOUT1_SIGNAL_SELECT           (0x09)  */
  44         0x00,   /* AK4671_ROUT1_SIGNAL_SELECT           (0x0a)  */
  45         0x00,   /* AK4671_LOUT2_SIGNAL_SELECT           (0x0b)  */
  46         0x00,   /* AK4671_ROUT2_SIGNAL_SELECT           (0x0c)  */
  47         0x00,   /* AK4671_LOUT3_SIGNAL_SELECT           (0x0d)  */
  48         0x00,   /* AK4671_ROUT3_SIGNAL_SELECT           (0x0e)  */
  49         0x00,   /* AK4671_LOUT1_POWER_MANAGERMENT       (0x0f)  */
  50         0x00,   /* AK4671_LOUT2_POWER_MANAGERMENT       (0x10)  */
  51         0x80,   /* AK4671_LOUT3_POWER_MANAGERMENT       (0x11)  */
  52         0x91,   /* AK4671_LCH_INPUT_VOLUME_CONTROL      (0x12)  */
  53         0x91,   /* AK4671_RCH_INPUT_VOLUME_CONTROL      (0x13)  */
  54         0xe1,   /* AK4671_ALC_REFERENCE_SELECT          (0x14)  */
  55         0x00,   /* AK4671_DIGITAL_MIXING_CONTROL        (0x15)  */
  56         0x00,   /* AK4671_ALC_TIMER_SELECT              (0x16)  */
  57         0x00,   /* AK4671_ALC_MODE_CONTROL              (0x17)  */
  58         0x02,   /* AK4671_MODE_CONTROL1                 (0x18)  */
  59         0x01,   /* AK4671_MODE_CONTROL2                 (0x19)  */
  60         0x18,   /* AK4671_LCH_OUTPUT_VOLUME_CONTROL     (0x1a)  */
  61         0x18,   /* AK4671_RCH_OUTPUT_VOLUME_CONTROL     (0x1b)  */
  62         0x00,   /* AK4671_SIDETONE_A_CONTROL            (0x1c)  */
  63         0x02,   /* AK4671_DIGITAL_FILTER_SELECT         (0x1d)  */
  64         0x00,   /* AK4671_FIL3_COEFFICIENT0             (0x1e)  */
  65         0x00,   /* AK4671_FIL3_COEFFICIENT1             (0x1f)  */
  66         0x00,   /* AK4671_FIL3_COEFFICIENT2             (0x20)  */
  67         0x00,   /* AK4671_FIL3_COEFFICIENT3             (0x21)  */
  68         0x00,   /* AK4671_EQ_COEFFICIENT0               (0x22)  */
  69         0x00,   /* AK4671_EQ_COEFFICIENT1               (0x23)  */
  70         0x00,   /* AK4671_EQ_COEFFICIENT2               (0x24)  */
  71         0x00,   /* AK4671_EQ_COEFFICIENT3               (0x25)  */
  72         0x00,   /* AK4671_EQ_COEFFICIENT4               (0x26)  */
  73         0x00,   /* AK4671_EQ_COEFFICIENT5               (0x27)  */
  74         0xa9,   /* AK4671_FIL1_COEFFICIENT0             (0x28)  */
  75         0x1f,   /* AK4671_FIL1_COEFFICIENT1             (0x29)  */
  76         0xad,   /* AK4671_FIL1_COEFFICIENT2             (0x2a)  */
  77         0x20,   /* AK4671_FIL1_COEFFICIENT3             (0x2b)  */
  78         0x00,   /* AK4671_FIL2_COEFFICIENT0             (0x2c)  */
  79         0x00,   /* AK4671_FIL2_COEFFICIENT1             (0x2d)  */
  80         0x00,   /* AK4671_FIL2_COEFFICIENT2             (0x2e)  */
  81         0x00,   /* AK4671_FIL2_COEFFICIENT3             (0x2f)  */
  82         0x00,   /* AK4671_DIGITAL_FILTER_SELECT2        (0x30)  */
  83         0x00,   /* this register not used                       */
  84         0x00,   /* AK4671_E1_COEFFICIENT0               (0x32)  */
  85         0x00,   /* AK4671_E1_COEFFICIENT1               (0x33)  */
  86         0x00,   /* AK4671_E1_COEFFICIENT2               (0x34)  */
  87         0x00,   /* AK4671_E1_COEFFICIENT3               (0x35)  */
  88         0x00,   /* AK4671_E1_COEFFICIENT4               (0x36)  */
  89         0x00,   /* AK4671_E1_COEFFICIENT5               (0x37)  */
  90         0x00,   /* AK4671_E2_COEFFICIENT0               (0x38)  */
  91         0x00,   /* AK4671_E2_COEFFICIENT1               (0x39)  */
  92         0x00,   /* AK4671_E2_COEFFICIENT2               (0x3a)  */
  93         0x00,   /* AK4671_E2_COEFFICIENT3               (0x3b)  */
  94         0x00,   /* AK4671_E2_COEFFICIENT4               (0x3c)  */
  95         0x00,   /* AK4671_E2_COEFFICIENT5               (0x3d)  */
  96         0x00,   /* AK4671_E3_COEFFICIENT0               (0x3e)  */
  97         0x00,   /* AK4671_E3_COEFFICIENT1               (0x3f)  */
  98         0x00,   /* AK4671_E3_COEFFICIENT2               (0x40)  */
  99         0x00,   /* AK4671_E3_COEFFICIENT3               (0x41)  */
 100         0x00,   /* AK4671_E3_COEFFICIENT4               (0x42)  */
 101         0x00,   /* AK4671_E3_COEFFICIENT5               (0x43)  */
 102         0x00,   /* AK4671_E4_COEFFICIENT0               (0x44)  */
 103         0x00,   /* AK4671_E4_COEFFICIENT1               (0x45)  */
 104         0x00,   /* AK4671_E4_COEFFICIENT2               (0x46)  */
 105         0x00,   /* AK4671_E4_COEFFICIENT3               (0x47)  */
 106         0x00,   /* AK4671_E4_COEFFICIENT4               (0x48)  */
 107         0x00,   /* AK4671_E4_COEFFICIENT5               (0x49)  */
 108         0x00,   /* AK4671_E5_COEFFICIENT0               (0x4a)  */
 109         0x00,   /* AK4671_E5_COEFFICIENT1               (0x4b)  */
 110         0x00,   /* AK4671_E5_COEFFICIENT2               (0x4c)  */
 111         0x00,   /* AK4671_E5_COEFFICIENT3               (0x4d)  */
 112         0x00,   /* AK4671_E5_COEFFICIENT4               (0x4e)  */
 113         0x00,   /* AK4671_E5_COEFFICIENT5               (0x4f)  */
 114         0x88,   /* AK4671_EQ_CONTROL_250HZ_100HZ        (0x50)  */
 115         0x88,   /* AK4671_EQ_CONTROL_3500HZ_1KHZ        (0x51)  */
 116         0x08,   /* AK4671_EQ_CONTRO_10KHZ               (0x52)  */
 117         0x00,   /* AK4671_PCM_IF_CONTROL0               (0x53)  */
 118         0x00,   /* AK4671_PCM_IF_CONTROL1               (0x54)  */
 119         0x00,   /* AK4671_PCM_IF_CONTROL2               (0x55)  */
 120         0x18,   /* AK4671_DIGITAL_VOLUME_B_CONTROL      (0x56)  */
 121         0x18,   /* AK4671_DIGITAL_VOLUME_C_CONTROL      (0x57)  */
 122         0x00,   /* AK4671_SIDETONE_VOLUME_CONTROL       (0x58)  */
 123         0x00,   /* AK4671_DIGITAL_MIXING_CONTROL2       (0x59)  */
 124         0x00,   /* AK4671_SAR_ADC_CONTROL               (0x5a)  */
 125 };
 126
 127 /*
 128  * LOUT1/ROUT1 output volume control:
 129  * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB)
 130  */
 131 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
 132
 133 /*
 134  * LOUT2/ROUT2 output volume control:
 135  * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB)
 136  */
 137 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
 138
 139 /*
 140  * LOUT3/ROUT3 output volume control:
 141  * from -6 to 3 dB in 3 dB steps
 142  */
 143 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
 144
 145 /*
 146  * Mic amp gain control:
 147  * from -15 to 30 dB in 3 dB steps
 148  * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not
 149  * available
 150  */
 151 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
 152
 153 static const struct snd_kcontrol_new ak4671_snd_controls[] = {
 154         /* Common playback gain controls */
 155         SOC_SINGLE_TLV("Line Output1 Playback Volume",
 156                         AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
 157         SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
 158                         AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
 159         SOC_SINGLE_TLV("Line Output3 Playback Volume",
 160                         AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
 161
 162         /* Common capture gain controls */
 163         SOC_DOUBLE_TLV("Mic Amp Capture Volume",
 164                         AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
 165 };
 166
 167 /* event handlers */
 168 static int ak4671_out2_event(struct snd_soc_dapm_widget *w,
 169                 struct snd_kcontrol *kcontrol, int event)
 170 {
 171         struct snd_soc_codec *codec = w->codec;
 172         u8 reg;
 173
 174         switch (event) {
 175         case SND_SOC_DAPM_POST_PMU:
 176                 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT);
 177                 reg |= AK4671_MUTEN;
 178                 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg);
 179                 break;
 180         case SND_SOC_DAPM_PRE_PMD:
 181                 reg = snd_soc_read(codec, AK4671_LOUT2_POWER_MANAGERMENT);
 182                 reg &= ~AK4671_MUTEN;
 183                 snd_soc_write(codec, AK4671_LOUT2_POWER_MANAGERMENT, reg);
 184                 break;
 185         }
 186
 187         return 0;
 188 }
 189
 190 /* Output Mixers */
 191 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
 192         SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
 193         SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
 194         SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
 195         SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
 196         SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
 197         SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
 198 };
 199
 200 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
 201         SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
 202         SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
 203         SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
 204         SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
 205         SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
 206         SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
 207 };
 208
 209 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
 210         SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
 211         SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
 212         SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
 213         SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
 214         SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
 215         SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
 216 };
 217
 218 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
 219         SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
 220         SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
 221         SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
 222         SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
 223         SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
 224         SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
 225 };
 226
 227 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
 228         SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
 229         SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
 230         SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
 231         SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
 232         SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
 233         SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
 234 };
 235
 236 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
 237         SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
 238         SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
 239         SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
 240         SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
 241         SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
 242         SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
 243 };
 244
 245 /* Input MUXs */
 246 static const char *ak4671_lin_mux_texts[] =
 247                 {"LIN1", "LIN2", "LIN3", "LIN4"};
 248 static const struct soc_enum ak4671_lin_mux_enum =
 249         SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 0,
 250                         ARRAY_SIZE(ak4671_lin_mux_texts),
 251                         ak4671_lin_mux_texts);
 252 static const struct snd_kcontrol_new ak4671_lin_mux_control =
 253         SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
 254
 255 static const char *ak4671_rin_mux_texts[] =
 256                 {"RIN1", "RIN2", "RIN3", "RIN4"};
 257 static const struct soc_enum ak4671_rin_mux_enum =
 258         SOC_ENUM_SINGLE(AK4671_MIC_SIGNAL_SELECT, 2,
 259                         ARRAY_SIZE(ak4671_rin_mux_texts),
 260                         ak4671_rin_mux_texts);
 261 static const struct snd_kcontrol_new ak4671_rin_mux_control =
 262         SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
 263
 264 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
 265         /* Inputs */
 266         SND_SOC_DAPM_INPUT("LIN1"),
 267         SND_SOC_DAPM_INPUT("RIN1"),
 268         SND_SOC_DAPM_INPUT("LIN2"),
 269         SND_SOC_DAPM_INPUT("RIN2"),
 270         SND_SOC_DAPM_INPUT("LIN3"),
 271         SND_SOC_DAPM_INPUT("RIN3"),
 272         SND_SOC_DAPM_INPUT("LIN4"),
 273         SND_SOC_DAPM_INPUT("RIN4"),
 274
 275         /* Outputs */
 276         SND_SOC_DAPM_OUTPUT("LOUT1"),
 277         SND_SOC_DAPM_OUTPUT("ROUT1"),
 278         SND_SOC_DAPM_OUTPUT("LOUT2"),
 279         SND_SOC_DAPM_OUTPUT("ROUT2"),
 280         SND_SOC_DAPM_OUTPUT("LOUT3"),
 281         SND_SOC_DAPM_OUTPUT("ROUT3"),
 282
 283         /* DAC */
 284         SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
 285                         AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
 286         SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
 287                         AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
 288
 289         /* ADC */
 290         SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
 291                         AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
 292         SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
 293                         AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
 294
 295         /* PGA */
 296         SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
 297                         AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
 298         SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
 299                         AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
 300
 301         SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
 302                         AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
 303         SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
 304                         AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
 305         SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
 306                         AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
 307         SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
 308                         AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
 309         SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
 310                         AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
 311         SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
 312                         AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
 313         SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
 314                         AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
 315         SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
 316                         AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
 317
 318         /* Output Mixers */
 319         SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
 320                         &ak4671_lout1_mixer_controls[0],
 321                         ARRAY_SIZE(ak4671_lout1_mixer_controls)),
 322         SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
 323                         &ak4671_rout1_mixer_controls[0],
 324                         ARRAY_SIZE(ak4671_rout1_mixer_controls)),
 325         SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
 326                         0, 0, &ak4671_lout2_mixer_controls[0],
 327                         ARRAY_SIZE(ak4671_lout2_mixer_controls),
 328                         ak4671_out2_event,
 329                         SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
 330         SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
 331                         1, 0, &ak4671_rout2_mixer_controls[0],
 332                         ARRAY_SIZE(ak4671_rout2_mixer_controls),
 333                         ak4671_out2_event,
 334                         SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
 335         SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
 336                         &ak4671_lout3_mixer_controls[0],
 337                         ARRAY_SIZE(ak4671_lout3_mixer_controls)),
 338         SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
 339                         &ak4671_rout3_mixer_controls[0],
 340                         ARRAY_SIZE(ak4671_rout3_mixer_controls)),
 341
 342         /* Input MUXs */
 343         SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
 344                         &ak4671_lin_mux_control),
 345         SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
 346                         &ak4671_rin_mux_control),
 347
 348         /* Mic Power */
 349         SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
 350
 351         /* Supply */
 352         SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
 353 };
 354
 355 static const struct snd_soc_dapm_route intercon[] = {
 356         {"DAC Left", "NULL", "PMPLL"},
 357         {"DAC Right", "NULL", "PMPLL"},
 358         {"ADC Left", "NULL", "PMPLL"},
 359         {"ADC Right", "NULL", "PMPLL"},
 360
 361         /* Outputs */
 362         {"LOUT1", "NULL", "LOUT1 Mixer"},
 363         {"ROUT1", "NULL", "ROUT1 Mixer"},
 364         {"LOUT2", "NULL", "LOUT2 Mix Amp"},
 365         {"ROUT2", "NULL", "ROUT2 Mix Amp"},
 366         {"LOUT3", "NULL", "LOUT3 Mixer"},
 367         {"ROUT3", "NULL", "ROUT3 Mixer"},
 368
 369         {"LOUT1 Mixer", "DACL", "DAC Left"},
 370         {"ROUT1 Mixer", "DACR", "DAC Right"},
 371         {"LOUT2 Mixer", "DACHL", "DAC Left"},
 372         {"ROUT2 Mixer", "DACHR", "DAC Right"},
 373         {"LOUT2 Mix Amp", "NULL", "LOUT2 Mixer"},
 374         {"ROUT2 Mix Amp", "NULL", "ROUT2 Mixer"},
 375         {"LOUT3 Mixer", "DACSL", "DAC Left"},
 376         {"ROUT3 Mixer", "DACSR", "DAC Right"},
 377
 378         /* Inputs */
 379         {"LIN MUX", "LIN1", "LIN1"},
 380         {"LIN MUX", "LIN2", "LIN2"},
 381         {"LIN MUX", "LIN3", "LIN3"},
 382         {"LIN MUX", "LIN4", "LIN4"},
 383
 384         {"RIN MUX", "RIN1", "RIN1"},
 385         {"RIN MUX", "RIN2", "RIN2"},
 386         {"RIN MUX", "RIN3", "RIN3"},
 387         {"RIN MUX", "RIN4", "RIN4"},
 388
 389         {"LIN1", NULL, "Mic Bias"},
 390         {"RIN1", NULL, "Mic Bias"},
 391         {"LIN2", NULL, "Mic Bias"},
 392         {"RIN2", NULL, "Mic Bias"},
 393
 394         {"ADC Left", "NULL", "LIN MUX"},
 395         {"ADC Right", "NULL", "RIN MUX"},
 396
 397         /* Analog Loops */
 398         {"LIN1 Mixing Circuit", "NULL", "LIN1"},
 399         {"RIN1 Mixing Circuit", "NULL", "RIN1"},
 400         {"LIN2 Mixing Circuit", "NULL", "LIN2"},
 401         {"RIN2 Mixing Circuit", "NULL", "RIN2"},
 402         {"LIN3 Mixing Circuit", "NULL", "LIN3"},
 403         {"RIN3 Mixing Circuit", "NULL", "RIN3"},
 404         {"LIN4 Mixing Circuit", "NULL", "LIN4"},
 405         {"RIN4 Mixing Circuit", "NULL", "RIN4"},
 406
 407         {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
 408         {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
 409         {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
 410         {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
 411         {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
 412         {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
 413
 414         {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
 415         {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
 416         {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
 417         {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
 418         {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
 419         {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
 420
 421         {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
 422         {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
 423         {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
 424         {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
 425         {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
 426         {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
 427
 428         {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
 429         {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
 430         {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
 431         {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
 432         {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
 433         {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
 434 };
 435
 436 static int ak4671_add_widgets(struct snd_soc_codec *codec)
 437 {
 438         struct snd_soc_dapm_context *dapm = &codec->dapm;
 439
 440         snd_soc_dapm_new_controls(dapm, ak4671_dapm_widgets,
 441                                   ARRAY_SIZE(ak4671_dapm_widgets));
 442         snd_soc_dapm_add_routes(dapm, intercon, ARRAY_SIZE(intercon));
 443
 444         return 0;
 445 }
 446
 447 static int ak4671_hw_params(struct snd_pcm_substream *substream,
 448                 struct snd_pcm_hw_params *params,
 449                 struct snd_soc_dai *dai)
 450 {
 451         struct snd_soc_codec *codec = dai->codec;
 452         u8 fs;
 453
 454         fs = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
 455         fs &= ~AK4671_FS;
 456
 457         switch (params_rate(params)) {
 458         case 8000:
 459                 fs |= AK4671_FS_8KHZ;
 460                 break;
 461         case 12000:
 462                 fs |= AK4671_FS_12KHZ;
 463                 break;
 464         case 16000:
 465                 fs |= AK4671_FS_16KHZ;
 466                 break;
 467         case 24000:
 468                 fs |= AK4671_FS_24KHZ;
 469                 break;
 470         case 11025:
 471                 fs |= AK4671_FS_11_025KHZ;
 472                 break;
 473         case 22050:
 474                 fs |= AK4671_FS_22_05KHZ;
 475                 break;
 476         case 32000:
 477                 fs |= AK4671_FS_32KHZ;
 478                 break;
 479         case 44100:
 480                 fs |= AK4671_FS_44_1KHZ;
 481                 break;
 482         case 48000:
 483                 fs |= AK4671_FS_48KHZ;
 484                 break;
 485         default:
 486                 return -EINVAL;
 487         }
 488
 489         snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, fs);
 490
 491         return 0;
 492 }
 493
 494 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
 495                 unsigned int freq, int dir)
 496 {
 497         struct snd_soc_codec *codec = dai->codec;
 498         u8 pll;
 499
 500         pll = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
 501         pll &= ~AK4671_PLL;
 502
 503         switch (freq) {
 504         case 11289600:
 505                 pll |= AK4671_PLL_11_2896MHZ;
 506                 break;
 507         case 12000000:
 508                 pll |= AK4671_PLL_12MHZ;
 509                 break;
 510         case 12288000:
 511                 pll |= AK4671_PLL_12_288MHZ;
 512                 break;
 513         case 13000000:
 514                 pll |= AK4671_PLL_13MHZ;
 515                 break;
 516         case 13500000:
 517                 pll |= AK4671_PLL_13_5MHZ;
 518                 break;
 519         case 19200000:
 520                 pll |= AK4671_PLL_19_2MHZ;
 521                 break;
 522         case 24000000:
 523                 pll |= AK4671_PLL_24MHZ;
 524                 break;
 525         case 26000000:
 526                 pll |= AK4671_PLL_26MHZ;
 527                 break;
 528         case 27000000:
 529                 pll |= AK4671_PLL_27MHZ;
 530                 break;
 531         default:
 532                 return -EINVAL;
 533         }
 534
 535         snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, pll);
 536
 537         return 0;
 538 }
 539
 540 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 541 {
 542         struct snd_soc_codec *codec = dai->codec;
 543         u8 mode;
 544         u8 format;
 545
 546         /* set master/slave audio interface */
 547         mode = snd_soc_read(codec, AK4671_PLL_MODE_SELECT1);
 548
 549         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 550         case SND_SOC_DAIFMT_CBM_CFM:
 551                 mode |= AK4671_M_S;
 552                 break;
 553         case SND_SOC_DAIFMT_CBM_CFS:
 554                 mode &= ~(AK4671_M_S);
 555                 break;
 556         default:
 557                 return -EINVAL;
 558         }
 559
 560         /* interface format */
 561         format = snd_soc_read(codec, AK4671_FORMAT_SELECT);
 562         format &= ~AK4671_DIF;
 563
 564         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 565         case SND_SOC_DAIFMT_I2S:
 566                 format |= AK4671_DIF_I2S_MODE;
 567                 break;
 568         case SND_SOC_DAIFMT_LEFT_J:
 569                 format |= AK4671_DIF_MSB_MODE;
 570                 break;
 571         case SND_SOC_DAIFMT_DSP_A:
 572                 format |= AK4671_DIF_DSP_MODE;
 573                 format |= AK4671_BCKP;
 574                 format |= AK4671_MSBS;
 575                 break;
 576         default:
 577                 return -EINVAL;
 578         }
 579
 580         /* set mode and format */
 581         snd_soc_write(codec, AK4671_PLL_MODE_SELECT1, mode);
 582         snd_soc_write(codec, AK4671_FORMAT_SELECT, format);
 583
 584         return 0;
 585 }
 586
 587 static int ak4671_set_bias_level(struct snd_soc_codec *codec,
 588                 enum snd_soc_bias_level level)
 589 {
 590         u8 reg;
 591
 592         switch (level) {
 593         case SND_SOC_BIAS_ON:
 594         case SND_SOC_BIAS_PREPARE:
 595         case SND_SOC_BIAS_STANDBY:
 596                 reg = snd_soc_read(codec, AK4671_AD_DA_POWER_MANAGEMENT);
 597                 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT,
 598                                 reg | AK4671_PMVCM);
 599                 break;
 600         case SND_SOC_BIAS_OFF:
 601                 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
 602                 break;
 603         }
 604         codec->dapm.bias_level = level;
 605         return 0;
 606 }
 607
 608 #define AK4671_RATES            (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 609                                 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
 610                                 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
 611                                 SNDRV_PCM_RATE_48000)
 612
 613 #define AK4671_FORMATS          SNDRV_PCM_FMTBIT_S16_LE
 614
 615 static struct snd_soc_dai_ops ak4671_dai_ops = {
 616         .hw_params      = ak4671_hw_params,
 617         .set_sysclk     = ak4671_set_dai_sysclk,
 618         .set_fmt        = ak4671_set_dai_fmt,
 619 };
 620
 621 static struct snd_soc_dai_driver ak4671_dai = {
 622         .name = "ak4671-hifi",
 623         .playback = {
 624                 .stream_name = "Playback",
 625                 .channels_min = 1,
 626                 .channels_max = 2,
 627                 .rates = AK4671_RATES,
 628                 .formats = AK4671_FORMATS,},
 629         .capture = {
 630                 .stream_name = "Capture",
 631                 .channels_min = 1,
 632                 .channels_max = 2,
 633                 .rates = AK4671_RATES,
 634                 .formats = AK4671_FORMATS,},
 635         .ops = &ak4671_dai_ops,
 636 };
 637
 638 static int ak4671_probe(struct snd_soc_codec *codec)
 639 {
 640         struct ak4671_priv *ak4671 = snd_soc_codec_get_drvdata(codec);
 641         int ret;
 642
 643         codec->hw_write = (hw_write_t)i2c_master_send;
 644
 645         ret = snd_soc_codec_set_cache_io(codec, 8, 8, ak4671->control_type);
 646         if (ret < 0) {
 647                 dev_err(codec->dev, "Failed to set cache I/O: %d\n", ret);
 648                 return ret;
 649         }
 650
 651         snd_soc_add_controls(codec, ak4671_snd_controls,
 652                              ARRAY_SIZE(ak4671_snd_controls));
 653         ak4671_add_widgets(codec);
 654
 655         ak4671_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
 656
 657         return ret;
 658 }
 659
 660 static int ak4671_remove(struct snd_soc_codec *codec)
 661 {
 662         ak4671_set_bias_level(codec, SND_SOC_BIAS_OFF);
 663         return 0;
 664 }
 665
 666 static struct snd_soc_codec_driver soc_codec_dev_ak4671 = {
 667         .probe = ak4671_probe,
 668         .remove = ak4671_remove,
 669         .set_bias_level = ak4671_set_bias_level,
 670         .reg_cache_size = AK4671_CACHEREGNUM,
 671         .reg_word_size = sizeof(u8),
 672         .reg_cache_default = ak4671_reg,
 673 };
 674
 675 static int __devinit ak4671_i2c_probe(struct i2c_client *client,
 676                 const struct i2c_device_id *id)
 677 {
 678         struct ak4671_priv *ak4671;
 679         int ret;
 680
 681         ak4671 = kzalloc(sizeof(struct ak4671_priv), GFP_KERNEL);
 682         if (ak4671 == NULL)
 683                 return -ENOMEM;
 684
 685         i2c_set_clientdata(client, ak4671);
 686         ak4671->control_data = client;
 687         ak4671->control_type = SND_SOC_I2C;
 688
 689         ret = snd_soc_register_codec(&client->dev,
 690                         &soc_codec_dev_ak4671, &ak4671_dai, 1);
 691         if (ret < 0)
 692                 kfree(ak4671);
 693         return ret;
 694 }
 695
 696 static __devexit int ak4671_i2c_remove(struct i2c_client *client)
 697 {
 698         snd_soc_unregister_codec(&client->dev);
 699         kfree(i2c_get_clientdata(client));
 700         return 0;
 701 }
 702
 703 static const struct i2c_device_id ak4671_i2c_id[] = {
 704         { "ak4671", 0 },
 705         { }
 706 };
 707 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
 708
 709 static struct i2c_driver ak4671_i2c_driver = {
 710         .driver = {
 711                 .name = "ak4671-codec",
 712                 .owner = THIS_MODULE,
 713         },
 714         .probe = ak4671_i2c_probe,
 715         .remove = __devexit_p(ak4671_i2c_remove),
 716         .id_table = ak4671_i2c_id,
 717 };
 718
 719 static int __init ak4671_modinit(void)
 720 {
 721         return i2c_add_driver(&ak4671_i2c_driver);
 722 }
 723 module_init(ak4671_modinit);
 724
 725 static void __exit ak4671_exit(void)
 726 {
 727         i2c_del_driver(&ak4671_i2c_driver);
 728 }
 729 module_exit(ak4671_exit);
 730
 731 MODULE_DESCRIPTION("ASoC AK4671 codec driver");
 732 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
 733 MODULE_LICENSE("GPL");