linux/sound/soc/codecs/ak4671.c
<<
>>
Prefs
   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3 * ak4671.c  --  audio driver for AK4671
   4 *
   5 * Copyright (C) 2009 Samsung Electronics Co.Ltd
   6 * Author: Joonyoung Shim <jy0922.shim@samsung.com>
   7 */
   8
   9#include <linux/module.h>
  10#include <linux/init.h>
  11#include <linux/i2c.h>
  12#include <linux/delay.h>
  13#include <linux/regmap.h>
  14#include <linux/slab.h>
  15#include <sound/soc.h>
  16#include <sound/initval.h>
  17#include <sound/tlv.h>
  18
  19#include "ak4671.h"
  20
  21
  22/* ak4671 register cache & default register settings */
  23static const struct reg_default ak4671_reg_defaults[] = {
  24        { 0x00, 0x00 }, /* AK4671_AD_DA_POWER_MANAGEMENT        (0x00)  */
  25        { 0x01, 0xf6 }, /* AK4671_PLL_MODE_SELECT0              (0x01)  */
  26        { 0x02, 0x00 }, /* AK4671_PLL_MODE_SELECT1              (0x02)  */
  27        { 0x03, 0x02 }, /* AK4671_FORMAT_SELECT                 (0x03)  */
  28        { 0x04, 0x00 }, /* AK4671_MIC_SIGNAL_SELECT             (0x04)  */
  29        { 0x05, 0x55 }, /* AK4671_MIC_AMP_GAIN                  (0x05)  */
  30        { 0x06, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT0      (0x06)  */
  31        { 0x07, 0x00 }, /* AK4671_MIXING_POWER_MANAGEMENT1      (0x07)  */
  32        { 0x08, 0xb5 }, /* AK4671_OUTPUT_VOLUME_CONTROL         (0x08)  */
  33        { 0x09, 0x00 }, /* AK4671_LOUT1_SIGNAL_SELECT           (0x09)  */
  34        { 0x0a, 0x00 }, /* AK4671_ROUT1_SIGNAL_SELECT           (0x0a)  */
  35        { 0x0b, 0x00 }, /* AK4671_LOUT2_SIGNAL_SELECT           (0x0b)  */
  36        { 0x0c, 0x00 }, /* AK4671_ROUT2_SIGNAL_SELECT           (0x0c)  */
  37        { 0x0d, 0x00 }, /* AK4671_LOUT3_SIGNAL_SELECT           (0x0d)  */
  38        { 0x0e, 0x00 }, /* AK4671_ROUT3_SIGNAL_SELECT           (0x0e)  */
  39        { 0x0f, 0x00 }, /* AK4671_LOUT1_POWER_MANAGERMENT       (0x0f)  */
  40        { 0x10, 0x00 }, /* AK4671_LOUT2_POWER_MANAGERMENT       (0x10)  */
  41        { 0x11, 0x80 }, /* AK4671_LOUT3_POWER_MANAGERMENT       (0x11)  */
  42        { 0x12, 0x91 }, /* AK4671_LCH_INPUT_VOLUME_CONTROL      (0x12)  */
  43        { 0x13, 0x91 }, /* AK4671_RCH_INPUT_VOLUME_CONTROL      (0x13)  */
  44        { 0x14, 0xe1 }, /* AK4671_ALC_REFERENCE_SELECT          (0x14)  */
  45        { 0x15, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL        (0x15)  */
  46        { 0x16, 0x00 }, /* AK4671_ALC_TIMER_SELECT              (0x16)  */
  47        { 0x17, 0x00 }, /* AK4671_ALC_MODE_CONTROL              (0x17)  */
  48        { 0x18, 0x02 }, /* AK4671_MODE_CONTROL1                 (0x18)  */
  49        { 0x19, 0x01 }, /* AK4671_MODE_CONTROL2                 (0x19)  */
  50        { 0x1a, 0x18 }, /* AK4671_LCH_OUTPUT_VOLUME_CONTROL     (0x1a)  */
  51        { 0x1b, 0x18 }, /* AK4671_RCH_OUTPUT_VOLUME_CONTROL     (0x1b)  */
  52        { 0x1c, 0x00 }, /* AK4671_SIDETONE_A_CONTROL            (0x1c)  */
  53        { 0x1d, 0x02 }, /* AK4671_DIGITAL_FILTER_SELECT         (0x1d)  */
  54        { 0x1e, 0x00 }, /* AK4671_FIL3_COEFFICIENT0             (0x1e)  */
  55        { 0x1f, 0x00 }, /* AK4671_FIL3_COEFFICIENT1             (0x1f)  */
  56        { 0x20, 0x00 }, /* AK4671_FIL3_COEFFICIENT2             (0x20)  */
  57        { 0x21, 0x00 }, /* AK4671_FIL3_COEFFICIENT3             (0x21)  */
  58        { 0x22, 0x00 }, /* AK4671_EQ_COEFFICIENT0               (0x22)  */
  59        { 0x23, 0x00 }, /* AK4671_EQ_COEFFICIENT1               (0x23)  */
  60        { 0x24, 0x00 }, /* AK4671_EQ_COEFFICIENT2               (0x24)  */
  61        { 0x25, 0x00 }, /* AK4671_EQ_COEFFICIENT3               (0x25)  */
  62        { 0x26, 0x00 }, /* AK4671_EQ_COEFFICIENT4               (0x26)  */
  63        { 0x27, 0x00 }, /* AK4671_EQ_COEFFICIENT5               (0x27)  */
  64        { 0x28, 0xa9 }, /* AK4671_FIL1_COEFFICIENT0             (0x28)  */
  65        { 0x29, 0x1f }, /* AK4671_FIL1_COEFFICIENT1             (0x29)  */
  66        { 0x2a, 0xad }, /* AK4671_FIL1_COEFFICIENT2             (0x2a)  */
  67        { 0x2b, 0x20 }, /* AK4671_FIL1_COEFFICIENT3             (0x2b)  */
  68        { 0x2c, 0x00 }, /* AK4671_FIL2_COEFFICIENT0             (0x2c)  */
  69        { 0x2d, 0x00 }, /* AK4671_FIL2_COEFFICIENT1             (0x2d)  */
  70        { 0x2e, 0x00 }, /* AK4671_FIL2_COEFFICIENT2             (0x2e)  */
  71        { 0x2f, 0x00 }, /* AK4671_FIL2_COEFFICIENT3             (0x2f)  */
  72        { 0x30, 0x00 }, /* AK4671_DIGITAL_FILTER_SELECT2        (0x30)  */
  73
  74        { 0x32, 0x00 }, /* AK4671_E1_COEFFICIENT0               (0x32)  */
  75        { 0x33, 0x00 }, /* AK4671_E1_COEFFICIENT1               (0x33)  */
  76        { 0x34, 0x00 }, /* AK4671_E1_COEFFICIENT2               (0x34)  */
  77        { 0x35, 0x00 }, /* AK4671_E1_COEFFICIENT3               (0x35)  */
  78        { 0x36, 0x00 }, /* AK4671_E1_COEFFICIENT4               (0x36)  */
  79        { 0x37, 0x00 }, /* AK4671_E1_COEFFICIENT5               (0x37)  */
  80        { 0x38, 0x00 }, /* AK4671_E2_COEFFICIENT0               (0x38)  */
  81        { 0x39, 0x00 }, /* AK4671_E2_COEFFICIENT1               (0x39)  */
  82        { 0x3a, 0x00 }, /* AK4671_E2_COEFFICIENT2               (0x3a)  */
  83        { 0x3b, 0x00 }, /* AK4671_E2_COEFFICIENT3               (0x3b)  */
  84        { 0x3c, 0x00 }, /* AK4671_E2_COEFFICIENT4               (0x3c)  */
  85        { 0x3d, 0x00 }, /* AK4671_E2_COEFFICIENT5               (0x3d)  */
  86        { 0x3e, 0x00 }, /* AK4671_E3_COEFFICIENT0               (0x3e)  */
  87        { 0x3f, 0x00 }, /* AK4671_E3_COEFFICIENT1               (0x3f)  */
  88        { 0x40, 0x00 }, /* AK4671_E3_COEFFICIENT2               (0x40)  */
  89        { 0x41, 0x00 }, /* AK4671_E3_COEFFICIENT3               (0x41)  */
  90        { 0x42, 0x00 }, /* AK4671_E3_COEFFICIENT4               (0x42)  */
  91        { 0x43, 0x00 }, /* AK4671_E3_COEFFICIENT5               (0x43)  */
  92        { 0x44, 0x00 }, /* AK4671_E4_COEFFICIENT0               (0x44)  */
  93        { 0x45, 0x00 }, /* AK4671_E4_COEFFICIENT1               (0x45)  */
  94        { 0x46, 0x00 }, /* AK4671_E4_COEFFICIENT2               (0x46)  */
  95        { 0x47, 0x00 }, /* AK4671_E4_COEFFICIENT3               (0x47)  */
  96        { 0x48, 0x00 }, /* AK4671_E4_COEFFICIENT4               (0x48)  */
  97        { 0x49, 0x00 }, /* AK4671_E4_COEFFICIENT5               (0x49)  */
  98        { 0x4a, 0x00 }, /* AK4671_E5_COEFFICIENT0               (0x4a)  */
  99        { 0x4b, 0x00 }, /* AK4671_E5_COEFFICIENT1               (0x4b)  */
 100        { 0x4c, 0x00 }, /* AK4671_E5_COEFFICIENT2               (0x4c)  */
 101        { 0x4d, 0x00 }, /* AK4671_E5_COEFFICIENT3               (0x4d)  */
 102        { 0x4e, 0x00 }, /* AK4671_E5_COEFFICIENT4               (0x4e)  */
 103        { 0x4f, 0x00 }, /* AK4671_E5_COEFFICIENT5               (0x4f)  */
 104        { 0x50, 0x88 }, /* AK4671_EQ_CONTROL_250HZ_100HZ        (0x50)  */
 105        { 0x51, 0x88 }, /* AK4671_EQ_CONTROL_3500HZ_1KHZ        (0x51)  */
 106        { 0x52, 0x08 }, /* AK4671_EQ_CONTRO_10KHZ               (0x52)  */
 107        { 0x53, 0x00 }, /* AK4671_PCM_IF_CONTROL0               (0x53)  */
 108        { 0x54, 0x00 }, /* AK4671_PCM_IF_CONTROL1               (0x54)  */
 109        { 0x55, 0x00 }, /* AK4671_PCM_IF_CONTROL2               (0x55)  */
 110        { 0x56, 0x18 }, /* AK4671_DIGITAL_VOLUME_B_CONTROL      (0x56)  */
 111        { 0x57, 0x18 }, /* AK4671_DIGITAL_VOLUME_C_CONTROL      (0x57)  */
 112        { 0x58, 0x00 }, /* AK4671_SIDETONE_VOLUME_CONTROL       (0x58)  */
 113        { 0x59, 0x00 }, /* AK4671_DIGITAL_MIXING_CONTROL2       (0x59)  */
 114        { 0x5a, 0x00 }, /* AK4671_SAR_ADC_CONTROL               (0x5a)  */
 115};
 116
 117/*
 118 * LOUT1/ROUT1 output volume control:
 119 * from -24 to 6 dB in 6 dB steps (mute instead of -30 dB)
 120 */
 121static DECLARE_TLV_DB_SCALE(out1_tlv, -3000, 600, 1);
 122
 123/*
 124 * LOUT2/ROUT2 output volume control:
 125 * from -33 to 6 dB in 3 dB steps (mute instead of -33 dB)
 126 */
 127static DECLARE_TLV_DB_SCALE(out2_tlv, -3300, 300, 1);
 128
 129/*
 130 * LOUT3/ROUT3 output volume control:
 131 * from -6 to 3 dB in 3 dB steps
 132 */
 133static DECLARE_TLV_DB_SCALE(out3_tlv, -600, 300, 0);
 134
 135/*
 136 * Mic amp gain control:
 137 * from -15 to 30 dB in 3 dB steps
 138 * REVISIT: The actual min value(0x01) is -12 dB and the reg value 0x00 is not
 139 * available
 140 */
 141static DECLARE_TLV_DB_SCALE(mic_amp_tlv, -1500, 300, 0);
 142
 143static const struct snd_kcontrol_new ak4671_snd_controls[] = {
 144        /* Common playback gain controls */
 145        SOC_SINGLE_TLV("Line Output1 Playback Volume",
 146                        AK4671_OUTPUT_VOLUME_CONTROL, 0, 0x6, 0, out1_tlv),
 147        SOC_SINGLE_TLV("Headphone Output2 Playback Volume",
 148                        AK4671_OUTPUT_VOLUME_CONTROL, 4, 0xd, 0, out2_tlv),
 149        SOC_SINGLE_TLV("Line Output3 Playback Volume",
 150                        AK4671_LOUT3_POWER_MANAGERMENT, 6, 0x3, 0, out3_tlv),
 151
 152        /* Common capture gain controls */
 153        SOC_DOUBLE_TLV("Mic Amp Capture Volume",
 154                        AK4671_MIC_AMP_GAIN, 0, 4, 0xf, 0, mic_amp_tlv),
 155};
 156
 157/* event handlers */
 158static int ak4671_out2_event(struct snd_soc_dapm_widget *w,
 159                struct snd_kcontrol *kcontrol, int event)
 160{
 161        struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 162
 163        switch (event) {
 164        case SND_SOC_DAPM_POST_PMU:
 165                snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT,
 166                                    AK4671_MUTEN, AK4671_MUTEN);
 167                break;
 168        case SND_SOC_DAPM_PRE_PMD:
 169                snd_soc_component_update_bits(component, AK4671_LOUT2_POWER_MANAGERMENT,
 170                                    AK4671_MUTEN, 0);
 171                break;
 172        }
 173
 174        return 0;
 175}
 176
 177/* Output Mixers */
 178static const struct snd_kcontrol_new ak4671_lout1_mixer_controls[] = {
 179        SOC_DAPM_SINGLE("DACL", AK4671_LOUT1_SIGNAL_SELECT, 0, 1, 0),
 180        SOC_DAPM_SINGLE("LINL1", AK4671_LOUT1_SIGNAL_SELECT, 1, 1, 0),
 181        SOC_DAPM_SINGLE("LINL2", AK4671_LOUT1_SIGNAL_SELECT, 2, 1, 0),
 182        SOC_DAPM_SINGLE("LINL3", AK4671_LOUT1_SIGNAL_SELECT, 3, 1, 0),
 183        SOC_DAPM_SINGLE("LINL4", AK4671_LOUT1_SIGNAL_SELECT, 4, 1, 0),
 184        SOC_DAPM_SINGLE("LOOPL", AK4671_LOUT1_SIGNAL_SELECT, 5, 1, 0),
 185};
 186
 187static const struct snd_kcontrol_new ak4671_rout1_mixer_controls[] = {
 188        SOC_DAPM_SINGLE("DACR", AK4671_ROUT1_SIGNAL_SELECT, 0, 1, 0),
 189        SOC_DAPM_SINGLE("RINR1", AK4671_ROUT1_SIGNAL_SELECT, 1, 1, 0),
 190        SOC_DAPM_SINGLE("RINR2", AK4671_ROUT1_SIGNAL_SELECT, 2, 1, 0),
 191        SOC_DAPM_SINGLE("RINR3", AK4671_ROUT1_SIGNAL_SELECT, 3, 1, 0),
 192        SOC_DAPM_SINGLE("RINR4", AK4671_ROUT1_SIGNAL_SELECT, 4, 1, 0),
 193        SOC_DAPM_SINGLE("LOOPR", AK4671_ROUT1_SIGNAL_SELECT, 5, 1, 0),
 194};
 195
 196static const struct snd_kcontrol_new ak4671_lout2_mixer_controls[] = {
 197        SOC_DAPM_SINGLE("DACHL", AK4671_LOUT2_SIGNAL_SELECT, 0, 1, 0),
 198        SOC_DAPM_SINGLE("LINH1", AK4671_LOUT2_SIGNAL_SELECT, 1, 1, 0),
 199        SOC_DAPM_SINGLE("LINH2", AK4671_LOUT2_SIGNAL_SELECT, 2, 1, 0),
 200        SOC_DAPM_SINGLE("LINH3", AK4671_LOUT2_SIGNAL_SELECT, 3, 1, 0),
 201        SOC_DAPM_SINGLE("LINH4", AK4671_LOUT2_SIGNAL_SELECT, 4, 1, 0),
 202        SOC_DAPM_SINGLE("LOOPHL", AK4671_LOUT2_SIGNAL_SELECT, 5, 1, 0),
 203};
 204
 205static const struct snd_kcontrol_new ak4671_rout2_mixer_controls[] = {
 206        SOC_DAPM_SINGLE("DACHR", AK4671_ROUT2_SIGNAL_SELECT, 0, 1, 0),
 207        SOC_DAPM_SINGLE("RINH1", AK4671_ROUT2_SIGNAL_SELECT, 1, 1, 0),
 208        SOC_DAPM_SINGLE("RINH2", AK4671_ROUT2_SIGNAL_SELECT, 2, 1, 0),
 209        SOC_DAPM_SINGLE("RINH3", AK4671_ROUT2_SIGNAL_SELECT, 3, 1, 0),
 210        SOC_DAPM_SINGLE("RINH4", AK4671_ROUT2_SIGNAL_SELECT, 4, 1, 0),
 211        SOC_DAPM_SINGLE("LOOPHR", AK4671_ROUT2_SIGNAL_SELECT, 5, 1, 0),
 212};
 213
 214static const struct snd_kcontrol_new ak4671_lout3_mixer_controls[] = {
 215        SOC_DAPM_SINGLE("DACSL", AK4671_LOUT3_SIGNAL_SELECT, 0, 1, 0),
 216        SOC_DAPM_SINGLE("LINS1", AK4671_LOUT3_SIGNAL_SELECT, 1, 1, 0),
 217        SOC_DAPM_SINGLE("LINS2", AK4671_LOUT3_SIGNAL_SELECT, 2, 1, 0),
 218        SOC_DAPM_SINGLE("LINS3", AK4671_LOUT3_SIGNAL_SELECT, 3, 1, 0),
 219        SOC_DAPM_SINGLE("LINS4", AK4671_LOUT3_SIGNAL_SELECT, 4, 1, 0),
 220        SOC_DAPM_SINGLE("LOOPSL", AK4671_LOUT3_SIGNAL_SELECT, 5, 1, 0),
 221};
 222
 223static const struct snd_kcontrol_new ak4671_rout3_mixer_controls[] = {
 224        SOC_DAPM_SINGLE("DACSR", AK4671_ROUT3_SIGNAL_SELECT, 0, 1, 0),
 225        SOC_DAPM_SINGLE("RINS1", AK4671_ROUT3_SIGNAL_SELECT, 1, 1, 0),
 226        SOC_DAPM_SINGLE("RINS2", AK4671_ROUT3_SIGNAL_SELECT, 2, 1, 0),
 227        SOC_DAPM_SINGLE("RINS3", AK4671_ROUT3_SIGNAL_SELECT, 3, 1, 0),
 228        SOC_DAPM_SINGLE("RINS4", AK4671_ROUT3_SIGNAL_SELECT, 4, 1, 0),
 229        SOC_DAPM_SINGLE("LOOPSR", AK4671_ROUT3_SIGNAL_SELECT, 5, 1, 0),
 230};
 231
 232/* Input MUXs */
 233static const char *ak4671_lin_mux_texts[] =
 234                {"LIN1", "LIN2", "LIN3", "LIN4"};
 235static SOC_ENUM_SINGLE_DECL(ak4671_lin_mux_enum,
 236                            AK4671_MIC_SIGNAL_SELECT, 0,
 237                            ak4671_lin_mux_texts);
 238static const struct snd_kcontrol_new ak4671_lin_mux_control =
 239        SOC_DAPM_ENUM("Route", ak4671_lin_mux_enum);
 240
 241static const char *ak4671_rin_mux_texts[] =
 242                {"RIN1", "RIN2", "RIN3", "RIN4"};
 243static SOC_ENUM_SINGLE_DECL(ak4671_rin_mux_enum,
 244                            AK4671_MIC_SIGNAL_SELECT, 2,
 245                            ak4671_rin_mux_texts);
 246static const struct snd_kcontrol_new ak4671_rin_mux_control =
 247        SOC_DAPM_ENUM("Route", ak4671_rin_mux_enum);
 248
 249static const struct snd_soc_dapm_widget ak4671_dapm_widgets[] = {
 250        /* Inputs */
 251        SND_SOC_DAPM_INPUT("LIN1"),
 252        SND_SOC_DAPM_INPUT("RIN1"),
 253        SND_SOC_DAPM_INPUT("LIN2"),
 254        SND_SOC_DAPM_INPUT("RIN2"),
 255        SND_SOC_DAPM_INPUT("LIN3"),
 256        SND_SOC_DAPM_INPUT("RIN3"),
 257        SND_SOC_DAPM_INPUT("LIN4"),
 258        SND_SOC_DAPM_INPUT("RIN4"),
 259
 260        /* Outputs */
 261        SND_SOC_DAPM_OUTPUT("LOUT1"),
 262        SND_SOC_DAPM_OUTPUT("ROUT1"),
 263        SND_SOC_DAPM_OUTPUT("LOUT2"),
 264        SND_SOC_DAPM_OUTPUT("ROUT2"),
 265        SND_SOC_DAPM_OUTPUT("LOUT3"),
 266        SND_SOC_DAPM_OUTPUT("ROUT3"),
 267
 268        /* DAC */
 269        SND_SOC_DAPM_DAC("DAC Left", "Left HiFi Playback",
 270                        AK4671_AD_DA_POWER_MANAGEMENT, 6, 0),
 271        SND_SOC_DAPM_DAC("DAC Right", "Right HiFi Playback",
 272                        AK4671_AD_DA_POWER_MANAGEMENT, 7, 0),
 273
 274        /* ADC */
 275        SND_SOC_DAPM_ADC("ADC Left", "Left HiFi Capture",
 276                        AK4671_AD_DA_POWER_MANAGEMENT, 4, 0),
 277        SND_SOC_DAPM_ADC("ADC Right", "Right HiFi Capture",
 278                        AK4671_AD_DA_POWER_MANAGEMENT, 5, 0),
 279
 280        /* PGA */
 281        SND_SOC_DAPM_PGA("LOUT2 Mix Amp",
 282                        AK4671_LOUT2_POWER_MANAGERMENT, 5, 0, NULL, 0),
 283        SND_SOC_DAPM_PGA("ROUT2 Mix Amp",
 284                        AK4671_LOUT2_POWER_MANAGERMENT, 6, 0, NULL, 0),
 285
 286        SND_SOC_DAPM_PGA("LIN1 Mixing Circuit",
 287                        AK4671_MIXING_POWER_MANAGEMENT1, 0, 0, NULL, 0),
 288        SND_SOC_DAPM_PGA("RIN1 Mixing Circuit",
 289                        AK4671_MIXING_POWER_MANAGEMENT1, 1, 0, NULL, 0),
 290        SND_SOC_DAPM_PGA("LIN2 Mixing Circuit",
 291                        AK4671_MIXING_POWER_MANAGEMENT1, 2, 0, NULL, 0),
 292        SND_SOC_DAPM_PGA("RIN2 Mixing Circuit",
 293                        AK4671_MIXING_POWER_MANAGEMENT1, 3, 0, NULL, 0),
 294        SND_SOC_DAPM_PGA("LIN3 Mixing Circuit",
 295                        AK4671_MIXING_POWER_MANAGEMENT1, 4, 0, NULL, 0),
 296        SND_SOC_DAPM_PGA("RIN3 Mixing Circuit",
 297                        AK4671_MIXING_POWER_MANAGEMENT1, 5, 0, NULL, 0),
 298        SND_SOC_DAPM_PGA("LIN4 Mixing Circuit",
 299                        AK4671_MIXING_POWER_MANAGEMENT1, 6, 0, NULL, 0),
 300        SND_SOC_DAPM_PGA("RIN4 Mixing Circuit",
 301                        AK4671_MIXING_POWER_MANAGEMENT1, 7, 0, NULL, 0),
 302
 303        /* Output Mixers */
 304        SND_SOC_DAPM_MIXER("LOUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 0, 0,
 305                        &ak4671_lout1_mixer_controls[0],
 306                        ARRAY_SIZE(ak4671_lout1_mixer_controls)),
 307        SND_SOC_DAPM_MIXER("ROUT1 Mixer", AK4671_LOUT1_POWER_MANAGERMENT, 1, 0,
 308                        &ak4671_rout1_mixer_controls[0],
 309                        ARRAY_SIZE(ak4671_rout1_mixer_controls)),
 310        SND_SOC_DAPM_MIXER_E("LOUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
 311                        0, 0, &ak4671_lout2_mixer_controls[0],
 312                        ARRAY_SIZE(ak4671_lout2_mixer_controls),
 313                        ak4671_out2_event,
 314                        SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
 315        SND_SOC_DAPM_MIXER_E("ROUT2 Mixer", AK4671_LOUT2_POWER_MANAGERMENT,
 316                        1, 0, &ak4671_rout2_mixer_controls[0],
 317                        ARRAY_SIZE(ak4671_rout2_mixer_controls),
 318                        ak4671_out2_event,
 319                        SND_SOC_DAPM_POST_PMU|SND_SOC_DAPM_PRE_PMD),
 320        SND_SOC_DAPM_MIXER("LOUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 0, 0,
 321                        &ak4671_lout3_mixer_controls[0],
 322                        ARRAY_SIZE(ak4671_lout3_mixer_controls)),
 323        SND_SOC_DAPM_MIXER("ROUT3 Mixer", AK4671_LOUT3_POWER_MANAGERMENT, 1, 0,
 324                        &ak4671_rout3_mixer_controls[0],
 325                        ARRAY_SIZE(ak4671_rout3_mixer_controls)),
 326
 327        /* Input MUXs */
 328        SND_SOC_DAPM_MUX("LIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 2, 0,
 329                        &ak4671_lin_mux_control),
 330        SND_SOC_DAPM_MUX("RIN MUX", AK4671_AD_DA_POWER_MANAGEMENT, 3, 0,
 331                        &ak4671_rin_mux_control),
 332
 333        /* Mic Power */
 334        SND_SOC_DAPM_MICBIAS("Mic Bias", AK4671_AD_DA_POWER_MANAGEMENT, 1, 0),
 335
 336        /* Supply */
 337        SND_SOC_DAPM_SUPPLY("PMPLL", AK4671_PLL_MODE_SELECT1, 0, 0, NULL, 0),
 338};
 339
 340static const struct snd_soc_dapm_route ak4671_intercon[] = {
 341        {"DAC Left", NULL, "PMPLL"},
 342        {"DAC Right", NULL, "PMPLL"},
 343        {"ADC Left", NULL, "PMPLL"},
 344        {"ADC Right", NULL, "PMPLL"},
 345
 346        /* Outputs */
 347        {"LOUT1", NULL, "LOUT1 Mixer"},
 348        {"ROUT1", NULL, "ROUT1 Mixer"},
 349        {"LOUT2", NULL, "LOUT2 Mix Amp"},
 350        {"ROUT2", NULL, "ROUT2 Mix Amp"},
 351        {"LOUT3", NULL, "LOUT3 Mixer"},
 352        {"ROUT3", NULL, "ROUT3 Mixer"},
 353
 354        {"LOUT1 Mixer", "DACL", "DAC Left"},
 355        {"ROUT1 Mixer", "DACR", "DAC Right"},
 356        {"LOUT2 Mixer", "DACHL", "DAC Left"},
 357        {"ROUT2 Mixer", "DACHR", "DAC Right"},
 358        {"LOUT2 Mix Amp", NULL, "LOUT2 Mixer"},
 359        {"ROUT2 Mix Amp", NULL, "ROUT2 Mixer"},
 360        {"LOUT3 Mixer", "DACSL", "DAC Left"},
 361        {"ROUT3 Mixer", "DACSR", "DAC Right"},
 362
 363        /* Inputs */
 364        {"LIN MUX", "LIN1", "LIN1"},
 365        {"LIN MUX", "LIN2", "LIN2"},
 366        {"LIN MUX", "LIN3", "LIN3"},
 367        {"LIN MUX", "LIN4", "LIN4"},
 368
 369        {"RIN MUX", "RIN1", "RIN1"},
 370        {"RIN MUX", "RIN2", "RIN2"},
 371        {"RIN MUX", "RIN3", "RIN3"},
 372        {"RIN MUX", "RIN4", "RIN4"},
 373
 374        {"LIN1", NULL, "Mic Bias"},
 375        {"RIN1", NULL, "Mic Bias"},
 376        {"LIN2", NULL, "Mic Bias"},
 377        {"RIN2", NULL, "Mic Bias"},
 378
 379        {"ADC Left", NULL, "LIN MUX"},
 380        {"ADC Right", NULL, "RIN MUX"},
 381
 382        /* Analog Loops */
 383        {"LIN1 Mixing Circuit", NULL, "LIN1"},
 384        {"RIN1 Mixing Circuit", NULL, "RIN1"},
 385        {"LIN2 Mixing Circuit", NULL, "LIN2"},
 386        {"RIN2 Mixing Circuit", NULL, "RIN2"},
 387        {"LIN3 Mixing Circuit", NULL, "LIN3"},
 388        {"RIN3 Mixing Circuit", NULL, "RIN3"},
 389        {"LIN4 Mixing Circuit", NULL, "LIN4"},
 390        {"RIN4 Mixing Circuit", NULL, "RIN4"},
 391
 392        {"LOUT1 Mixer", "LINL1", "LIN1 Mixing Circuit"},
 393        {"ROUT1 Mixer", "RINR1", "RIN1 Mixing Circuit"},
 394        {"LOUT2 Mixer", "LINH1", "LIN1 Mixing Circuit"},
 395        {"ROUT2 Mixer", "RINH1", "RIN1 Mixing Circuit"},
 396        {"LOUT3 Mixer", "LINS1", "LIN1 Mixing Circuit"},
 397        {"ROUT3 Mixer", "RINS1", "RIN1 Mixing Circuit"},
 398
 399        {"LOUT1 Mixer", "LINL2", "LIN2 Mixing Circuit"},
 400        {"ROUT1 Mixer", "RINR2", "RIN2 Mixing Circuit"},
 401        {"LOUT2 Mixer", "LINH2", "LIN2 Mixing Circuit"},
 402        {"ROUT2 Mixer", "RINH2", "RIN2 Mixing Circuit"},
 403        {"LOUT3 Mixer", "LINS2", "LIN2 Mixing Circuit"},
 404        {"ROUT3 Mixer", "RINS2", "RIN2 Mixing Circuit"},
 405
 406        {"LOUT1 Mixer", "LINL3", "LIN3 Mixing Circuit"},
 407        {"ROUT1 Mixer", "RINR3", "RIN3 Mixing Circuit"},
 408        {"LOUT2 Mixer", "LINH3", "LIN3 Mixing Circuit"},
 409        {"ROUT2 Mixer", "RINH3", "RIN3 Mixing Circuit"},
 410        {"LOUT3 Mixer", "LINS3", "LIN3 Mixing Circuit"},
 411        {"ROUT3 Mixer", "RINS3", "RIN3 Mixing Circuit"},
 412
 413        {"LOUT1 Mixer", "LINL4", "LIN4 Mixing Circuit"},
 414        {"ROUT1 Mixer", "RINR4", "RIN4 Mixing Circuit"},
 415        {"LOUT2 Mixer", "LINH4", "LIN4 Mixing Circuit"},
 416        {"ROUT2 Mixer", "RINH4", "RIN4 Mixing Circuit"},
 417        {"LOUT3 Mixer", "LINS4", "LIN4 Mixing Circuit"},
 418        {"ROUT3 Mixer", "RINS4", "RIN4 Mixing Circuit"},
 419};
 420
 421static int ak4671_hw_params(struct snd_pcm_substream *substream,
 422                struct snd_pcm_hw_params *params,
 423                struct snd_soc_dai *dai)
 424{
 425        struct snd_soc_component *component = dai->component;
 426        u8 fs;
 427
 428        fs = snd_soc_component_read32(component, AK4671_PLL_MODE_SELECT0);
 429        fs &= ~AK4671_FS;
 430
 431        switch (params_rate(params)) {
 432        case 8000:
 433                fs |= AK4671_FS_8KHZ;
 434                break;
 435        case 12000:
 436                fs |= AK4671_FS_12KHZ;
 437                break;
 438        case 16000:
 439                fs |= AK4671_FS_16KHZ;
 440                break;
 441        case 24000:
 442                fs |= AK4671_FS_24KHZ;
 443                break;
 444        case 11025:
 445                fs |= AK4671_FS_11_025KHZ;
 446                break;
 447        case 22050:
 448                fs |= AK4671_FS_22_05KHZ;
 449                break;
 450        case 32000:
 451                fs |= AK4671_FS_32KHZ;
 452                break;
 453        case 44100:
 454                fs |= AK4671_FS_44_1KHZ;
 455                break;
 456        case 48000:
 457                fs |= AK4671_FS_48KHZ;
 458                break;
 459        default:
 460                return -EINVAL;
 461        }
 462
 463        snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, fs);
 464
 465        return 0;
 466}
 467
 468static int ak4671_set_dai_sysclk(struct snd_soc_dai *dai, int clk_id,
 469                unsigned int freq, int dir)
 470{
 471        struct snd_soc_component *component = dai->component;
 472        u8 pll;
 473
 474        pll = snd_soc_component_read32(component, AK4671_PLL_MODE_SELECT0);
 475        pll &= ~AK4671_PLL;
 476
 477        switch (freq) {
 478        case 11289600:
 479                pll |= AK4671_PLL_11_2896MHZ;
 480                break;
 481        case 12000000:
 482                pll |= AK4671_PLL_12MHZ;
 483                break;
 484        case 12288000:
 485                pll |= AK4671_PLL_12_288MHZ;
 486                break;
 487        case 13000000:
 488                pll |= AK4671_PLL_13MHZ;
 489                break;
 490        case 13500000:
 491                pll |= AK4671_PLL_13_5MHZ;
 492                break;
 493        case 19200000:
 494                pll |= AK4671_PLL_19_2MHZ;
 495                break;
 496        case 24000000:
 497                pll |= AK4671_PLL_24MHZ;
 498                break;
 499        case 26000000:
 500                pll |= AK4671_PLL_26MHZ;
 501                break;
 502        case 27000000:
 503                pll |= AK4671_PLL_27MHZ;
 504                break;
 505        default:
 506                return -EINVAL;
 507        }
 508
 509        snd_soc_component_write(component, AK4671_PLL_MODE_SELECT0, pll);
 510
 511        return 0;
 512}
 513
 514static int ak4671_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 515{
 516        struct snd_soc_component *component = dai->component;
 517        u8 mode;
 518        u8 format;
 519
 520        /* set master/slave audio interface */
 521        mode = snd_soc_component_read32(component, AK4671_PLL_MODE_SELECT1);
 522
 523        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 524        case SND_SOC_DAIFMT_CBM_CFM:
 525                mode |= AK4671_M_S;
 526                break;
 527        case SND_SOC_DAIFMT_CBM_CFS:
 528                mode &= ~(AK4671_M_S);
 529                break;
 530        default:
 531                return -EINVAL;
 532        }
 533
 534        /* interface format */
 535        format = snd_soc_component_read32(component, AK4671_FORMAT_SELECT);
 536        format &= ~AK4671_DIF;
 537
 538        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 539        case SND_SOC_DAIFMT_I2S:
 540                format |= AK4671_DIF_I2S_MODE;
 541                break;
 542        case SND_SOC_DAIFMT_LEFT_J:
 543                format |= AK4671_DIF_MSB_MODE;
 544                break;
 545        case SND_SOC_DAIFMT_DSP_A:
 546                format |= AK4671_DIF_DSP_MODE;
 547                format |= AK4671_BCKP;
 548                format |= AK4671_MSBS;
 549                break;
 550        default:
 551                return -EINVAL;
 552        }
 553
 554        /* set mode and format */
 555        snd_soc_component_write(component, AK4671_PLL_MODE_SELECT1, mode);
 556        snd_soc_component_write(component, AK4671_FORMAT_SELECT, format);
 557
 558        return 0;
 559}
 560
 561static int ak4671_set_bias_level(struct snd_soc_component *component,
 562                enum snd_soc_bias_level level)
 563{
 564        switch (level) {
 565        case SND_SOC_BIAS_ON:
 566        case SND_SOC_BIAS_PREPARE:
 567        case SND_SOC_BIAS_STANDBY:
 568                snd_soc_component_update_bits(component, AK4671_AD_DA_POWER_MANAGEMENT,
 569                                    AK4671_PMVCM, AK4671_PMVCM);
 570                break;
 571        case SND_SOC_BIAS_OFF:
 572                snd_soc_component_write(component, AK4671_AD_DA_POWER_MANAGEMENT, 0x00);
 573                break;
 574        }
 575        return 0;
 576}
 577
 578#define AK4671_RATES            (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
 579                                SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
 580                                SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
 581                                SNDRV_PCM_RATE_48000)
 582
 583#define AK4671_FORMATS          SNDRV_PCM_FMTBIT_S16_LE
 584
 585static const struct snd_soc_dai_ops ak4671_dai_ops = {
 586        .hw_params      = ak4671_hw_params,
 587        .set_sysclk     = ak4671_set_dai_sysclk,
 588        .set_fmt        = ak4671_set_dai_fmt,
 589};
 590
 591static struct snd_soc_dai_driver ak4671_dai = {
 592        .name = "ak4671-hifi",
 593        .playback = {
 594                .stream_name = "Playback",
 595                .channels_min = 1,
 596                .channels_max = 2,
 597                .rates = AK4671_RATES,
 598                .formats = AK4671_FORMATS,},
 599        .capture = {
 600                .stream_name = "Capture",
 601                .channels_min = 1,
 602                .channels_max = 2,
 603                .rates = AK4671_RATES,
 604                .formats = AK4671_FORMATS,},
 605        .ops = &ak4671_dai_ops,
 606};
 607
 608static const struct snd_soc_component_driver soc_component_dev_ak4671 = {
 609        .set_bias_level         = ak4671_set_bias_level,
 610        .controls               = ak4671_snd_controls,
 611        .num_controls           = ARRAY_SIZE(ak4671_snd_controls),
 612        .dapm_widgets           = ak4671_dapm_widgets,
 613        .num_dapm_widgets       = ARRAY_SIZE(ak4671_dapm_widgets),
 614        .dapm_routes            = ak4671_intercon,
 615        .num_dapm_routes        = ARRAY_SIZE(ak4671_intercon),
 616        .idle_bias_on           = 1,
 617        .use_pmdown_time        = 1,
 618        .endianness             = 1,
 619        .non_legacy_dai_naming  = 1,
 620};
 621
 622static const struct regmap_config ak4671_regmap = {
 623        .reg_bits = 8,
 624        .val_bits = 8,
 625
 626        .max_register = AK4671_SAR_ADC_CONTROL,
 627        .reg_defaults = ak4671_reg_defaults,
 628        .num_reg_defaults = ARRAY_SIZE(ak4671_reg_defaults),
 629        .cache_type = REGCACHE_RBTREE,
 630};
 631
 632static int ak4671_i2c_probe(struct i2c_client *client,
 633                            const struct i2c_device_id *id)
 634{
 635        struct regmap *regmap;
 636        int ret;
 637
 638        regmap = devm_regmap_init_i2c(client, &ak4671_regmap);
 639        if (IS_ERR(regmap)) {
 640                ret = PTR_ERR(regmap);
 641                dev_err(&client->dev, "Failed to create regmap: %d\n", ret);
 642                return ret;
 643        }
 644
 645        ret = devm_snd_soc_register_component(&client->dev,
 646                        &soc_component_dev_ak4671, &ak4671_dai, 1);
 647        return ret;
 648}
 649
 650static const struct i2c_device_id ak4671_i2c_id[] = {
 651        { "ak4671", 0 },
 652        { }
 653};
 654MODULE_DEVICE_TABLE(i2c, ak4671_i2c_id);
 655
 656static struct i2c_driver ak4671_i2c_driver = {
 657        .driver = {
 658                .name = "ak4671-codec",
 659        },
 660        .probe = ak4671_i2c_probe,
 661        .id_table = ak4671_i2c_id,
 662};
 663
 664module_i2c_driver(ak4671_i2c_driver);
 665
 666MODULE_DESCRIPTION("ASoC AK4671 codec driver");
 667MODULE_AUTHOR("Joonyoung Shim <jy0922.shim@samsung.com>");
 668MODULE_LICENSE("GPL");
 669