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/regmap.h>
  19 #include <linux/slab.h>
  20 #include <sound/soc.h>
  21 #include <sound/initval.h>
  22 #include <sound/tlv.h>
  23
  24 #include "ak4671.h"
  25
  26
  27 /* ak4671 register cache & default register settings */
  28 static const struct reg_default ak4671_reg_defaults[] = {
  29         { 0x00, 0x00 }, /* AK4671_AD_DA_POWER_MANAGEMENT        (0x00)  */
  30         { 0x01, 0xf6 }, /* AK4671_PLL_MODE_SELECT0              (0x01)  */
  31         { 0x02, 0x00 }, /* AK4671_PLL_MODE_SELECT1              (0x02)  */
  32         { 0x03, 0x02 }, /* AK4671_FORMAT_SELECT                 (0x03)  */
  33         { 0x04, 0x00 }, /* AK4671_MIC_SIGNAL_SELECT             (0x04)  */
  34         { 0x05, 0x55 }, /* AK4671_MIC_AMP_GAIN                  (0x05)  */
  35         { 0x06, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT0      (0x06)  */
  36         { 0x07, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT1      (0x07)  */
  37         { 0x08, 0xb5 }, /* AK4671_OUTPUT_VOLUME_CONTROL         (0x08)  */
  38         { 0x09, 0x00 }, /* AK4671_LOUT1_SIGNAL_SELECT           (0x09)  */
  39         { 0x0a, 0x00 }, /* AK4671_ROUT1_SIGNAL_SELECT           (0x0a)  */
  40         { 0x0b, 0x00 }, /* AK4671_LOUT2_SIGNAL_SELECT           (0x0b)  */
  41         { 0x0c, 0x00 }, /* AK4671_ROUT2_SIGNAL_SELECT           (0x0c)  */
  42         { 0x0d, 0x00 }, /* AK4671_LOUT3_SIGNAL_SELECT           (0x0d)  */
  43         { 0x0e, 0x00 }, /* AK4671_ROUT3_SIGNAL_SELECT           (0x0e)  */
  44         { 0x0f, 0x00 }, /* AK4671_LOUT1_POWER_MANAGERMENT       (0x0f)  */
  45         { 0x10, 0x00 }, /* AK4671_LOUT2_POWER_MANAGERMENT       (0x10)  */
  46         { 0x11, 0x80 }, /* AK4671_LOUT3_POWER_MANAGERMENT       (0x11)  */
  47         { 0x12, 0x91 }, /* AK4671_LCH_INPUT_VOLUME_CONTROL      (0x12)  */
  48         { 0x13, 0x91 }, /* AK4671_RCH_INPUT_VOLUME_CONTROL      (0x13)  */
  49         { 0x14, 0xe1 }, /* AK4671_ALC_REFERENCE_SELECT          (0x14)  */
  50         { 0x15, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL        (0x15)  */
  51         { 0x16, 0x00 }, /* AK4671_ALC_TIMER_SELECT              (0x16)  */
  52         { 0x17, 0x00 }, /* AK4671_ALC_MODE_CONTROL              (0x17)  */
  53         { 0x18, 0x02 }, /* AK4671_MODE_CONTROL1                 (0x18)  */
  54         { 0x19, 0x01 }, /* AK4671_MODE_CONTROL2                 (0x19)  */
  55         { 0x1a, 0x18 }, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL     (0x1a)  */
  56         { 0x1b, 0x18 }, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL     (0x1b)  */
  57         { 0x1c, 0x00 }, /* AK4671_SIDETONE_A_CONTROL            (0x1c)  */
  58         { 0x1d, 0x02 }, /* AK4671_DIGITAL_FILTER_SELECT         (0x1d)  */
  59         { 0x1e, 0x00 }, /* AK4671_FIL3_COEFFICIENT0             (0x1e)  */
  60         { 0x1f, 0x00 }, /* AK4671_FIL3_COEFFICIENT1             (0x1f)  */
  61         { 0x20, 0x00 }, /* AK4671_FIL3_COEFFICIENT2             (0x20)  */
  62         { 0x21, 0x00 }, /* AK4671_FIL3_COEFFICIENT3             (0x21)  */
  63         { 0x22, 0x00 }, /* AK4671_EQ_COEFFICIENT0               (0x22)  */
  64         { 0x23, 0x00 }, /* AK4671_EQ_COEFFICIENT1               (0x23)  */
  65         { 0x24, 0x00 }, /* AK4671_EQ_COEFFICIENT2               (0x24)  */
  66         { 0x25, 0x00 }, /* AK4671_EQ_COEFFICIENT3               (0x25)  */
  67         { 0x26, 0x00 }, /* AK4671_EQ_COEFFICIENT4               (0x26)  */
  68         { 0x27, 0x00 }, /* AK4671_EQ_COEFFICIENT5               (0x27)  */
  69         { 0x28, 0xa9 }, /* AK4671_FIL1_COEFFICIENT0             (0x28)  */
  70         { 0x29, 0x1f }, /* AK4671_FIL1_COEFFICIENT1             (0x29)  */
  71         { 0x2a, 0xad }, /* AK4671_FIL1_COEFFICIENT2             (0x2a)  */
  72         { 0x2b, 0x20 }, /* AK4671_FIL1_COEFFICIENT3             (0x2b)  */
  73         { 0x2c, 0x00 }, /* AK4671_FIL2_COEFFICIENT0             (0x2c)  */
  74         { 0x2d, 0x00 }, /* AK4671_FIL2_COEFFICIENT1             (0x2d)  */
  75         { 0x2e, 0x00 }, /* AK4671_FIL2_COEFFICIENT2             (0x2e)  */
  76         { 0x2f, 0x00 }, /* AK4671_FIL2_COEFFICIENT3             (0x2f)  */
  77         { 0x30, 0x00 }, /* AK4671_DIGITAL_FILTER_SELECT2        (0x30)  */
  78
  79         { 0x32, 0x00 }, /* AK4671_E1_COEFFICIENT0               (0x32)  */
  80         { 0x33, 0x00 }, /* AK4671_E1_COEFFICIENT1               (0x33)  */
  81         { 0x34, 0x00 }, /* AK4671_E1_COEFFICIENT2               (0x34)  */
  82         { 0x35, 0x00 }, /* AK4671_E1_COEFFICIENT3               (0x35)  */
  83         { 0x36, 0x00 }, /* AK4671_E1_COEFFICIENT4               (0x36)  */
  84         { 0x37, 0x00 }, /* AK4671_E1_COEFFICIENT5               (0x37)  */
  85         { 0x38, 0x00 }, /* AK4671_E2_COEFFICIENT0               (0x38)  */
  86         { 0x39, 0x00 }, /* AK4671_E2_COEFFICIENT1               (0x39)  */
  87         { 0x3a, 0x00 }, /* AK4671_E2_COEFFICIENT2               (0x3a)  */
  88         { 0x3b, 0x00 }, /* AK4671_E2_COEFFICIENT3               (0x3b)  */
  89         { 0x3c, 0x00 }, /* AK4671_E2_COEFFICIENT4               (0x3c)  */
  90         { 0x3d, 0x00 }, /* AK4671_E2_COEFFICIENT5               (0x3d)  */
  91         { 0x3e, 0x00 }, /* AK4671_E3_COEFFICIENT0               (0x3e)  */
  92         { 0x3f, 0x00 }, /* AK4671_E3_COEFFICIENT1               (0x3f)  */
  93         { 0x40, 0x00 }, /* AK4671_E3_COEFFICIENT2               (0x40)  */
  94         { 0x41, 0x00 }, /* AK4671_E3_COEFFICIENT3               (0x41)  */
  95         { 0x42, 0x00 }, /* AK4671_E3_COEFFICIENT4               (0x42)  */
  96         { 0x43, 0x00 }, /* AK4671_E3_COEFFICIENT5               (0x43)  */
  97         { 0x44, 0x00 }, /* AK4671_E4_COEFFICIENT0               (0x44)  */
  98         { 0x45, 0x00 }, /* AK4671_E4_COEFFICIENT1               (0x45)  */
  99         { 0x46, 0x00 }, /* AK4671_E4_COEFFICIENT2               (0x46)  */
 100         { 0x47, 0x00 }, /* AK4671_E4_COEFFICIENT3               (0x47)  */
 101         { 0x48, 0x00 }, /* AK4671_E4_COEFFICIENT4               (0x48)  */
 102         { 0x49, 0x00 }, /* AK4671_E4_COEFFICIENT5               (0x49)  */
 103         { 0x4a, 0x00 }, /* AK4671_E5_COEFFICIENT0               (0x4a)  */
 104         { 0x4b, 0x00 }, /* AK4671_E5_COEFFICIENT1               (0x4b)  */
 105         { 0x4c, 0x00 }, /* AK4671_E5_COEFFICIENT2               (0x4c)  */
 106         { 0x4d, 0x00 }, /* AK4671_E5_COEFFICIENT3               (0x4d)  */
 107         { 0x4e, 0x00 }, /* AK4671_E5_COEFFICIENT4               (0x4e)  */
 108         { 0x4f, 0x00 }, /* AK4671_E5_COEFFICIENT5               (0x4f)  */
 109         { 0x50, 0x88 }, /* AK4671_EQ_CONTROL_250HZ_100HZ        (0x50)  */
 110         { 0x51, 0x88 }, /* AK4671_EQ_CONTROL_3500HZ_1KHZ        (0x51)  */
 111         { 0x52, 0x08 }, /* AK4671_EQ_CONTRO_10KHZ               (0x52)  */
 112         { 0x53, 0x00 }, /* AK4671_PCM_IF_CONTROL0               (0x53)  */
 113         { 0x54, 0x00 }, /* AK4671_PCM_IF_CONTROL1               (0x54)  */
 114         { 0x55, 0x00 }, /* AK4671_PCM_IF_CONTROL2               (0x55)  */
 115         { 0x56, 0x18 }, /* AK4671_DIGITAL_VOLUME_B_CONTROL      (0x56)  */
 116         { 0x57, 0x18 }, /* AK4671_DIGITAL_VOLUME_C_CONTROL      (0x57)  */
 117         { 0x58, 0x00 }, /* AK4671_SIDETONE_VOLUME_CONTROL       (0x58)  */
 118         { 0x59, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL2       (0x59)  */
 119         { 0x5a, 0x00 }, /* AK4671_SAR_ADC_CONTROL               (0x5a)  */
 120 };
 121
 122 /*
 123  * LOUT1/ROUT1 output volume control:
 124  * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB)
 125  */
 126 static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
 127
 128 /*
 129  * LOUT2/ROUT2 output volume control:
 130  * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB)
 131  */
 132 static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
 133
 134 /*
 135  * LOUT3/ROUT3 output volume control:
 136  * from -6 to 3 dB in 3 dB steps
 137  */
 138 static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
 139
 140 /*
 141  * Mic amp gain control:
 142  * from -15 to 30 dB in 3 dB steps
 143  * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not
 144  * available
 145  */
 146 static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
 147
 148 static const struct snd_kcontrol_new ak4671_snd_controls[] = {
 149         /* Common playback gain controls */
 150         SOC_SINGLE_TLV("Line Output1 Playback Volume",
 151                         AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
 152         SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
 153                         AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
 154         SOC_SINGLE_TLV("Line Output3 Playback Volume",
 155                         AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
 156
 157         /* Common capture gain controls */
 158         SOC_DOUBLE_TLV("Mic Amp Capture Volume",
 159                         AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
 160 };
 161
 162 /* event handlers */
 163 static int ak4671_out2_event(struct snd_soc_dapm_widget *w,
 164                 struct snd_kcontrol *kcontrol, int event)
 165 {
 166         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 167
 168         switch (event) {
 169         case SND_SOC_DAPM_POST_PMU:
 170                 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT,
 171                                     AK4671_MUTEN, AK4671_MUTEN);
 172                 break;
 173         case SND_SOC_DAPM_PRE_PMD:
 174                 snd_soc_update_bits(codec, AK4671_LOUT2_POWER_MANAGERMENT,
 175                                     AK4671_MUTEN, 0);
 176                 break;
 177         }
 178
 179         return 0;
 180 }
 181
 182 /* Output Mixers */
 183 static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
 184         SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
 185         SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
 186         SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
 187         SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
 188         SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
 189         SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
 190 };
 191
 192 static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
 193         SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
 194         SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
 195         SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
 196         SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
 197         SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
 198         SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
 199 };
 200
 201 static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
 202         SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
 203         SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
 204         SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
 205         SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
 206         SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
 207         SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
 208 };
 209
 210 static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
 211         SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
 212         SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
 213         SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
 214         SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
 215         SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
 216         SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
 217 };
 218
 219 static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
 220         SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
 221         SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
 222         SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
 223         SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
 224         SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
 225         SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
 226 };
 227
 228 static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
 229         SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
 230         SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
 231         SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
 232         SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
 233         SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
 234         SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
 235 };
 236
 237 /* Input MUXs */
 238 static const char *ak4671_lin_mux_texts[] =
 239                 {"LIN1", "LIN2", "LIN3", "LIN4"};
 240 static SOC_ENUM_SINGLE_DECL(ak4671_lin_mux_enum,
 241                             AK4671_MIC_SIGNAL_SELECT, 0,
 242                             ak4671_lin_mux_texts);
 243 static const struct snd_kcontrol_new ak4671_lin_mux_control =
 244         SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
 245
 246 static const char *ak4671_rin_mux_texts[] =
 247                 {"RIN1", "RIN2", "RIN3", "RIN4"};
 248 static SOC_ENUM_SINGLE_DECL(ak4671_rin_mux_enum,
 249                             AK4671_MIC_SIGNAL_SELECT, 2,
 250                             ak4671_rin_mux_texts);
 251 static const struct snd_kcontrol_new ak4671_rin_mux_control =
 252         SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
 253
 254 static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
 255         /* Inputs */
 256         SND_SOC_DAPM_INPUT("LIN1"),
 257         SND_SOC_DAPM_INPUT("RIN1"),
 258         SND_SOC_DAPM_INPUT("LIN2"),
 259         SND_SOC_DAPM_INPUT("RIN2"),
 260         SND_SOC_DAPM_INPUT("LIN3"),
 261         SND_SOC_DAPM_INPUT("RIN3"),
 262         SND_SOC_DAPM_INPUT("LIN4"),
 263         SND_SOC_DAPM_INPUT("RIN4"),
 264
 265         /* Outputs */
 266         SND_SOC_DAPM_OUTPUT("LOUT1"),
 267         SND_SOC_DAPM_OUTPUT("ROUT1"),
 268         SND_SOC_DAPM_OUTPUT("LOUT2"),
 269         SND_SOC_DAPM_OUTPUT("ROUT2"),
 270         SND_SOC_DAPM_OUTPUT("LOUT3"),
 271         SND_SOC_DAPM_OUTPUT("ROUT3"),
 272
 273         /* DAC */
 274         SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
 275                         AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
 276         SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
 277                         AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
 278
 279         /* ADC */
 280         SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
 281                         AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
 282         SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
 283                         AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
 284
 285         /* PGA */
 286         SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
 287                         AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
 288         SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
 289                         AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
 290
 291         SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
 292                         AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
 293         SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
 294                         AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
 295         SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
 296                         AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
 297         SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
 298                         AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
 299         SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
 300                         AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
 301         SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
 302                         AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
 303         SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
 304                         AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
 305         SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
 306                         AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
 307
 308         /* Output Mixers */
 309         SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
 310                         &ak4671_lout1_mixer_controls[0],
 311                         ARRAY_SIZE(ak4671_lout1_mixer_controls)),
 312         SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
 313                         &ak4671_rout1_mixer_controls[0],
 314                         ARRAY_SIZE(ak4671_rout1_mixer_controls)),
 315         SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
 316                         0, 0, &ak4671_lout2_mixer_controls[0],
 317                         ARRAY_SIZE(ak4671_lout2_mixer_controls),
 318                         ak4671_out2_event,
 319                         SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
 320         SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
 321                         1, 0, &ak4671_rout2_mixer_controls[0],
 322                         ARRAY_SIZE(ak4671_rout2_mixer_controls),
 323                         ak4671_out2_event,
 324                         SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
 325         SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
 326                         &ak4671_lout3_mixer_controls[0],
 327                         ARRAY_SIZE(ak4671_lout3_mixer_controls)),
 328         SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
 329                         &ak4671_rout3_mixer_controls[0],
 330                         ARRAY_SIZE(ak4671_rout3_mixer_controls)),
 331
 332         /* Input MUXs */
 333         SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
 334                         &ak4671_lin_mux_control),
 335         SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
 336                         &ak4671_rin_mux_control),
 337
 338         /* Mic Power */
 339         SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
 340
 341         /* Supply */
 342         SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
 343 };
 344
 345 static const struct snd_soc_dapm_route ak4671_intercon[] = {
 346         {"DAC Left", NULL, "PMPLL"},
 347         {"DAC Right", NULL, "PMPLL"},
 348         {"ADC Left", NULL, "PMPLL"},
 349         {"ADC Right", NULL, "PMPLL"},
 350
 351         /* Outputs */
 352         {"LOUT1", NULL, "LOUT1 Mixer"},
 353         {"ROUT1", NULL, "ROUT1 Mixer"},
 354         {"LOUT2", NULL, "LOUT2 Mix Amp"},
 355         {"ROUT2", NULL, "ROUT2 Mix Amp"},
 356         {"LOUT3", NULL, "LOUT3 Mixer"},
 357         {"ROUT3", NULL, "ROUT3 Mixer"},
 358
 359         {"LOUT1 Mixer", "DACL", "DAC Left"},
 360         {"ROUT1 Mixer", "DACR", "DAC Right"},
 361         {"LOUT2 Mixer", "DACHL", "DAC Left"},
 362         {"ROUT2 Mixer", "DACHR", "DAC Right"},
 363         {"LOUT2 Mix Amp", NULL, "LOUT2 Mixer"},
 364         {"ROUT2 Mix Amp", NULL, "ROUT2 Mixer"},
 365         {"LOUT3 Mixer", "DACSL", "DAC Left"},
 366         {"ROUT3 Mixer", "DACSR", "DAC Right"},
 367
 368         /* Inputs */
 369         {"LIN MUX", "LIN1", "LIN1"},
 370         {"LIN MUX", "LIN2", "LIN2"},
 371         {"LIN MUX", "LIN3", "LIN3"},
 372         {"LIN MUX", "LIN4", "LIN4"},
 373
 374         {"RIN MUX", "RIN1", "RIN1"},
 375         {"RIN MUX", "RIN2", "RIN2"},
 376         {"RIN MUX", "RIN3", "RIN3"},
 377         {"RIN MUX", "RIN4", "RIN4"},
 378
 379         {"LIN1", NULL, "Mic Bias"},
 380         {"RIN1", NULL, "Mic Bias"},
 381         {"LIN2", NULL, "Mic Bias"},
 382         {"RIN2", NULL, "Mic Bias"},
 383
 384         {"ADC Left", NULL, "LIN MUX"},
 385         {"ADC Right", NULL, "RIN MUX"},
 386
 387         /* Analog Loops */
 388         {"LIN1 Mixing Circuit", NULL, "LIN1"},
 389         {"RIN1 Mixing Circuit", NULL, "RIN1"},
 390         {"LIN2 Mixing Circuit", NULL, "LIN2"},
 391         {"RIN2 Mixing Circuit", NULL, "RIN2"},
 392         {"LIN3 Mixing Circuit", NULL, "LIN3"},
 393         {"RIN3 Mixing Circuit", NULL, "RIN3"},
 394         {"LIN4 Mixing Circuit", NULL, "LIN4"},
 395         {"RIN4 Mixing Circuit", NULL, "RIN4"},
 396
 397         {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
 398         {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
 399         {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
 400         {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
 401         {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
 402         {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
 403
 404         {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
 405         {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
 406         {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
 407         {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
 408         {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
 409         {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
 410
 411         {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
 412         {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
 413         {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
 414         {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
 415         {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
 416         {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
 417
 418         {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
 419         {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
 420         {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
 421         {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
 422         {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
 423         {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
 424 };
 425
 426 static int ak4671_hw_params(struct snd_pcm_substream *substream,
 427                 struct snd_pcm_hw_params *params,
 428                 struct snd_soc_dai *dai)
 429 {
 430         struct snd_soc_codec *codec = dai->codec;
 431         u8 fs;
 432
 433         fs = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
 434         fs &= ~AK4671_FS;
 435
 436         switch (params_rate(params)) {
 437         case 8000:
 438                 fs |= AK4671_FS_8KHZ;
 439                 break;
 440         case 12000:
 441                 fs |= AK4671_FS_12KHZ;
 442                 break;
 443         case 16000:
 444                 fs |= AK4671_FS_16KHZ;
 445                 break;
 446         case 24000:
 447                 fs |= AK4671_FS_24KHZ;
 448                 break;
 449         case 11025:
 450                 fs |= AK4671_FS_11_025KHZ;
 451                 break;
 452         case 22050:
 453                 fs |= AK4671_FS_22_05KHZ;
 454                 break;
 455         case 32000:
 456                 fs |= AK4671_FS_32KHZ;
 457                 break;
 458         case 44100:
 459                 fs |= AK4671_FS_44_1KHZ;
 460                 break;
 461         case 48000:
 462                 fs |= AK4671_FS_48KHZ;
 463                 break;
 464         default:
 465                 return -EINVAL;
 466         }
 467
 468         snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, fs);
 469
 470         return 0;
 471 }
 472
 473 static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
 474                 unsigned int freq, int dir)
 475 {
 476         struct snd_soc_codec *codec = dai->codec;
 477         u8 pll;
 478
 479         pll = snd_soc_read(codec, AK4671_PLL_MODE_SELECT0);
 480         pll &= ~AK4671_PLL;
 481
 482         switch (freq) {
 483         case 11289600:
 484                 pll |= AK4671_PLL_11_2896MHZ;
 485                 break;
 486         case 12000000:
 487                 pll |= AK4671_PLL_12MHZ;
 488                 break;
 489         case 12288000:
 490                 pll |= AK4671_PLL_12_288MHZ;
 491                 break;
 492         case 13000000:
 493                 pll |= AK4671_PLL_13MHZ;
 494                 break;
 495         case 13500000:
 496                 pll |= AK4671_PLL_13_5MHZ;
 497                 break;
 498         case 19200000:
 499                 pll |= AK4671_PLL_19_2MHZ;
 500                 break;
 501         case 24000000:
 502                 pll |= AK4671_PLL_24MHZ;
 503                 break;
 504         case 26000000:
 505                 pll |= AK4671_PLL_26MHZ;
 506                 break;
 507         case 27000000:
 508                 pll |= AK4671_PLL_27MHZ;
 509                 break;
 510         default:
 511                 return -EINVAL;
 512         }
 513
 514         snd_soc_write(codec, AK4671_PLL_MODE_SELECT0, pll);
 515
 516         return 0;
 517 }
 518
 519 static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 520 {
 521         struct snd_soc_codec *codec = dai->codec;
 522         u8 mode;
 523         u8 format;
 524
 525         /* set master/slave audio interface */
 526         mode = snd_soc_read(codec, AK4671_PLL_MODE_SELECT1);
 527
 528         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 529         case SND_SOC_DAIFMT_CBM_CFM:
 530                 mode |= AK4671_M_S;
 531                 break;
 532         case SND_SOC_DAIFMT_CBM_CFS:
 533                 mode &= ~(AK4671_M_S);
 534                 break;
 535         default:
 536                 return -EINVAL;
 537         }
 538
 539         /* interface format */
 540         format = snd_soc_read(codec, AK4671_FORMAT_SELECT);
 541         format &= ~AK4671_DIF;
 542
 543         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 544         case SND_SOC_DAIFMT_I2S:
 545                 format |= AK4671_DIF_I2S_MODE;
 546                 break;
 547         case SND_SOC_DAIFMT_LEFT_J:
 548                 format |= AK4671_DIF_MSB_MODE;
 549                 break;
 550         case SND_SOC_DAIFMT_DSP_A:
 551                 format |= AK4671_DIF_DSP_MODE;
 552                 format |= AK4671_BCKP;
 553                 format |= AK4671_MSBS;
 554                 break;
 555         default:
 556                 return -EINVAL;
 557         }
 558
 559         /* set mode and format */
 560         snd_soc_write(codec, AK4671_PLL_MODE_SELECT1, mode);
 561         snd_soc_write(codec, AK4671_FORMAT_SELECT, format);
 562
 563         return 0;
 564 }
 565
 566 static int ak4671_set_bias_level(struct snd_soc_codec *codec,
 567                 enum snd_soc_bias_level level)
 568 {
 569         switch (level) {
 570         case SND_SOC_BIAS_ON:
 571         case SND_SOC_BIAS_PREPARE:
 572         case SND_SOC_BIAS_STANDBY:
 573                 snd_soc_update_bits(codec, AK4671_AD_DA_POWER_MANAGEMENT,
 574                                     AK4671_PMVCM, AK4671_PMVCM);
 575                 break;
 576         case SND_SOC_BIAS_OFF:
 577                 snd_soc_write(codec, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
 578                 break;
 579         }
 580         return 0;
 581 }
 582
 583 #define AK4671_RATES            (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 584                                 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
 585                                 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
 586                                 SNDRV_PCM_RATE_48000)
 587
 588 #define AK4671_FORMATS          SNDRV_PCM_FMTBIT_S16_LE
 589
 590 static const struct snd_soc_dai_ops ak4671_dai_ops = {
 591         .hw_params      = ak4671_hw_params,
 592         .set_sysclk     = ak4671_set_dai_sysclk,
 593         .set_fmt        = ak4671_set_dai_fmt,
 594 };
 595
 596 static struct snd_soc_dai_driver ak4671_dai = {
 597         .name = "ak4671-hifi",
 598         .playback = {
 599                 .stream_name = "Playback",
 600                 .channels_min = 1,
 601                 .channels_max = 2,
 602                 .rates = AK4671_RATES,
 603                 .formats = AK4671_FORMATS,},
 604         .capture = {
 605                 .stream_name = "Capture",
 606                 .channels_min = 1,
 607                 .channels_max = 2,
 608                 .rates = AK4671_RATES,
 609                 .formats = AK4671_FORMATS,},
 610         .ops = &ak4671_dai_ops,
 611 };
 612
 613 static struct snd_soc_codec_driver soc_codec_dev_ak4671 = {
 614         .set_bias_level = ak4671_set_bias_level,
 615         .controls = ak4671_snd_controls,
 616         .num_controls = ARRAY_SIZE(ak4671_snd_controls),
 617         .dapm_widgets = ak4671_dapm_widgets,
 618         .num_dapm_widgets = ARRAY_SIZE(ak4671_dapm_widgets),
 619         .dapm_routes = ak4671_intercon,
 620         .num_dapm_routes = ARRAY_SIZE(ak4671_intercon),
 621 };
 622
 623 static const struct regmap_config ak4671_regmap = {
 624         .reg_bits = 8,
 625         .val_bits = 8,
 626
 627         .max_register = AK4671_SAR_ADC_CONTROL,
 628         .reg_defaults = ak4671_reg_defaults,
 629         .num_reg_defaults = ARRAY_SIZE(ak4671_reg_defaults),
 630         .cache_type = REGCACHE_RBTREE,
 631 };
 632
 633 static int ak4671_i2c_probe(struct i2c_client *client,
 634                             const struct i2c_device_id *id)
 635 {
 636         struct regmap *regmap;
 637         int ret;
 638
 639         regmap = devm_regmap_init_i2c(client, &ak4671_regmap);
 640         if (IS_ERR(regmap)) {
 641                 ret = PTR_ERR(regmap);
 642                 dev_err(&client->dev, "Failed to create regmap: %d\n", ret);
 643                 return ret;
 644         }
 645
 646         ret = snd_soc_register_codec(&client->dev,
 647                         &soc_codec_dev_ak4671, &ak4671_dai, 1);
 648         return ret;
 649 }
 650
 651 static int ak4671_i2c_remove(struct i2c_client *client)
 652 {
 653         snd_soc_unregister_codec(&client->dev);
 654         return 0;
 655 }
 656
 657 static const struct i2c_device_id ak4671_i2c_id[] = {
 658         { "ak4671", 0 },
 659         { }
 660 };
 661 MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
 662
 663 static struct i2c_driver ak4671_i2c_driver = {
 664         .driver = {
 665                 .name = "ak4671-codec",
 666         },
 667         .probe = ak4671_i2c_probe,
 668         .remove = ak4671_i2c_remove,
 669         .id_table = ak4671_i2c_id,
 670 };
 671
 672 module_i2c_driver(ak4671_i2c_driver);
 673
 674 MODULE_DESCRIPTION("ASoC AK4671 codec driver");
 675 MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
 676 MODULE_LICENSE("GPL");