linux/sound/soc/codecs/da9055.c
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   1/*
   2 * DA9055 ALSA Soc codec driver
   3 *
   4 * Copyright (c) 2012 Dialog Semiconductor
   5 *
   6 * Tested on (Samsung SMDK6410 board + DA9055 EVB) using I2S and I2C
   7 * Written by David Chen <david.chen@diasemi.com> and
   8 * Ashish Chavan <ashish.chavan@kpitcummins.com>
   9 *
  10 * This program is free software; you can redistribute it and/or modify it
  11 * under the terms of the GNU General Public License as published by the
  12 * Free Software Foundation; either version 2 of the License, or (at your
  13 * option) any later version.
  14 */
  15
  16#include <linux/delay.h>
  17#include <linux/i2c.h>
  18#include <linux/regmap.h>
  19#include <linux/slab.h>
  20#include <linux/module.h>
  21#include <linux/of.h>
  22#include <linux/of_device.h>
  23#include <sound/pcm.h>
  24#include <sound/pcm_params.h>
  25#include <sound/soc.h>
  26#include <sound/initval.h>
  27#include <sound/tlv.h>
  28#include <sound/da9055.h>
  29
  30/* DA9055 register space */
  31
  32/* Status Registers */
  33#define DA9055_STATUS1                  0x02
  34#define DA9055_PLL_STATUS               0x03
  35#define DA9055_AUX_L_GAIN_STATUS        0x04
  36#define DA9055_AUX_R_GAIN_STATUS        0x05
  37#define DA9055_MIC_L_GAIN_STATUS        0x06
  38#define DA9055_MIC_R_GAIN_STATUS        0x07
  39#define DA9055_MIXIN_L_GAIN_STATUS      0x08
  40#define DA9055_MIXIN_R_GAIN_STATUS      0x09
  41#define DA9055_ADC_L_GAIN_STATUS        0x0A
  42#define DA9055_ADC_R_GAIN_STATUS        0x0B
  43#define DA9055_DAC_L_GAIN_STATUS        0x0C
  44#define DA9055_DAC_R_GAIN_STATUS        0x0D
  45#define DA9055_HP_L_GAIN_STATUS         0x0E
  46#define DA9055_HP_R_GAIN_STATUS         0x0F
  47#define DA9055_LINE_GAIN_STATUS         0x10
  48
  49/* System Initialisation Registers */
  50#define DA9055_CIF_CTRL                 0x20
  51#define DA9055_DIG_ROUTING_AIF          0X21
  52#define DA9055_SR                       0x22
  53#define DA9055_REFERENCES               0x23
  54#define DA9055_PLL_FRAC_TOP             0x24
  55#define DA9055_PLL_FRAC_BOT             0x25
  56#define DA9055_PLL_INTEGER              0x26
  57#define DA9055_PLL_CTRL                 0x27
  58#define DA9055_AIF_CLK_MODE             0x28
  59#define DA9055_AIF_CTRL                 0x29
  60#define DA9055_DIG_ROUTING_DAC          0x2A
  61#define DA9055_ALC_CTRL1                0x2B
  62
  63/* Input - Gain, Select and Filter Registers */
  64#define DA9055_AUX_L_GAIN               0x30
  65#define DA9055_AUX_R_GAIN               0x31
  66#define DA9055_MIXIN_L_SELECT           0x32
  67#define DA9055_MIXIN_R_SELECT           0x33
  68#define DA9055_MIXIN_L_GAIN             0x34
  69#define DA9055_MIXIN_R_GAIN             0x35
  70#define DA9055_ADC_L_GAIN               0x36
  71#define DA9055_ADC_R_GAIN               0x37
  72#define DA9055_ADC_FILTERS1             0x38
  73#define DA9055_MIC_L_GAIN               0x39
  74#define DA9055_MIC_R_GAIN               0x3A
  75
  76/* Output - Gain, Select and Filter Registers */
  77#define DA9055_DAC_FILTERS5             0x40
  78#define DA9055_DAC_FILTERS2             0x41
  79#define DA9055_DAC_FILTERS3             0x42
  80#define DA9055_DAC_FILTERS4             0x43
  81#define DA9055_DAC_FILTERS1             0x44
  82#define DA9055_DAC_L_GAIN               0x45
  83#define DA9055_DAC_R_GAIN               0x46
  84#define DA9055_CP_CTRL                  0x47
  85#define DA9055_HP_L_GAIN                0x48
  86#define DA9055_HP_R_GAIN                0x49
  87#define DA9055_LINE_GAIN                0x4A
  88#define DA9055_MIXOUT_L_SELECT          0x4B
  89#define DA9055_MIXOUT_R_SELECT          0x4C
  90
  91/* System Controller Registers */
  92#define DA9055_SYSTEM_MODES_INPUT       0x50
  93#define DA9055_SYSTEM_MODES_OUTPUT      0x51
  94
  95/* Control Registers */
  96#define DA9055_AUX_L_CTRL               0x60
  97#define DA9055_AUX_R_CTRL               0x61
  98#define DA9055_MIC_BIAS_CTRL            0x62
  99#define DA9055_MIC_L_CTRL               0x63
 100#define DA9055_MIC_R_CTRL               0x64
 101#define DA9055_MIXIN_L_CTRL             0x65
 102#define DA9055_MIXIN_R_CTRL             0x66
 103#define DA9055_ADC_L_CTRL               0x67
 104#define DA9055_ADC_R_CTRL               0x68
 105#define DA9055_DAC_L_CTRL               0x69
 106#define DA9055_DAC_R_CTRL               0x6A
 107#define DA9055_HP_L_CTRL                0x6B
 108#define DA9055_HP_R_CTRL                0x6C
 109#define DA9055_LINE_CTRL                0x6D
 110#define DA9055_MIXOUT_L_CTRL            0x6E
 111#define DA9055_MIXOUT_R_CTRL            0x6F
 112
 113/* Configuration Registers */
 114#define DA9055_LDO_CTRL                 0x90
 115#define DA9055_IO_CTRL                  0x91
 116#define DA9055_GAIN_RAMP_CTRL           0x92
 117#define DA9055_MIC_CONFIG               0x93
 118#define DA9055_PC_COUNT                 0x94
 119#define DA9055_CP_VOL_THRESHOLD1        0x95
 120#define DA9055_CP_DELAY                 0x96
 121#define DA9055_CP_DETECTOR              0x97
 122#define DA9055_AIF_OFFSET               0x98
 123#define DA9055_DIG_CTRL                 0x99
 124#define DA9055_ALC_CTRL2                0x9A
 125#define DA9055_ALC_CTRL3                0x9B
 126#define DA9055_ALC_NOISE                0x9C
 127#define DA9055_ALC_TARGET_MIN           0x9D
 128#define DA9055_ALC_TARGET_MAX           0x9E
 129#define DA9055_ALC_GAIN_LIMITS          0x9F
 130#define DA9055_ALC_ANA_GAIN_LIMITS      0xA0
 131#define DA9055_ALC_ANTICLIP_CTRL        0xA1
 132#define DA9055_ALC_ANTICLIP_LEVEL       0xA2
 133#define DA9055_ALC_OFFSET_OP2M_L        0xA6
 134#define DA9055_ALC_OFFSET_OP2U_L        0xA7
 135#define DA9055_ALC_OFFSET_OP2M_R        0xAB
 136#define DA9055_ALC_OFFSET_OP2U_R        0xAC
 137#define DA9055_ALC_CIC_OP_LVL_CTRL      0xAD
 138#define DA9055_ALC_CIC_OP_LVL_DATA      0xAE
 139#define DA9055_DAC_NG_SETUP_TIME        0xAF
 140#define DA9055_DAC_NG_OFF_THRESHOLD     0xB0
 141#define DA9055_DAC_NG_ON_THRESHOLD      0xB1
 142#define DA9055_DAC_NG_CTRL              0xB2
 143
 144/* SR bit fields */
 145#define DA9055_SR_8000                  (0x1 << 0)
 146#define DA9055_SR_11025                 (0x2 << 0)
 147#define DA9055_SR_12000                 (0x3 << 0)
 148#define DA9055_SR_16000                 (0x5 << 0)
 149#define DA9055_SR_22050                 (0x6 << 0)
 150#define DA9055_SR_24000                 (0x7 << 0)
 151#define DA9055_SR_32000                 (0x9 << 0)
 152#define DA9055_SR_44100                 (0xA << 0)
 153#define DA9055_SR_48000                 (0xB << 0)
 154#define DA9055_SR_88200                 (0xE << 0)
 155#define DA9055_SR_96000                 (0xF << 0)
 156
 157/* REFERENCES bit fields */
 158#define DA9055_BIAS_EN                  (1 << 3)
 159#define DA9055_VMID_EN                  (1 << 7)
 160
 161/* PLL_CTRL bit fields */
 162#define DA9055_PLL_INDIV_10_20_MHZ      (1 << 2)
 163#define DA9055_PLL_SRM_EN               (1 << 6)
 164#define DA9055_PLL_EN                   (1 << 7)
 165
 166/* AIF_CLK_MODE bit fields */
 167#define DA9055_AIF_BCLKS_PER_WCLK_32    (0 << 0)
 168#define DA9055_AIF_BCLKS_PER_WCLK_64    (1 << 0)
 169#define DA9055_AIF_BCLKS_PER_WCLK_128   (2 << 0)
 170#define DA9055_AIF_BCLKS_PER_WCLK_256   (3 << 0)
 171#define DA9055_AIF_CLK_EN_SLAVE_MODE    (0 << 7)
 172#define DA9055_AIF_CLK_EN_MASTER_MODE   (1 << 7)
 173
 174/* AIF_CTRL bit fields */
 175#define DA9055_AIF_FORMAT_I2S_MODE      (0 << 0)
 176#define DA9055_AIF_FORMAT_LEFT_J        (1 << 0)
 177#define DA9055_AIF_FORMAT_RIGHT_J       (2 << 0)
 178#define DA9055_AIF_FORMAT_DSP           (3 << 0)
 179#define DA9055_AIF_WORD_S16_LE          (0 << 2)
 180#define DA9055_AIF_WORD_S20_3LE         (1 << 2)
 181#define DA9055_AIF_WORD_S24_LE          (2 << 2)
 182#define DA9055_AIF_WORD_S32_LE          (3 << 2)
 183
 184/* MIC_L_CTRL bit fields */
 185#define DA9055_MIC_L_MUTE_EN            (1 << 6)
 186
 187/* MIC_R_CTRL bit fields */
 188#define DA9055_MIC_R_MUTE_EN            (1 << 6)
 189
 190/* MIXIN_L_CTRL bit fields */
 191#define DA9055_MIXIN_L_MIX_EN           (1 << 3)
 192
 193/* MIXIN_R_CTRL bit fields */
 194#define DA9055_MIXIN_R_MIX_EN           (1 << 3)
 195
 196/* ADC_L_CTRL bit fields */
 197#define DA9055_ADC_L_EN                 (1 << 7)
 198
 199/* ADC_R_CTRL bit fields */
 200#define DA9055_ADC_R_EN                 (1 << 7)
 201
 202/* DAC_L_CTRL bit fields */
 203#define DA9055_DAC_L_MUTE_EN            (1 << 6)
 204
 205/* DAC_R_CTRL bit fields */
 206#define DA9055_DAC_R_MUTE_EN            (1 << 6)
 207
 208/* HP_L_CTRL bit fields */
 209#define DA9055_HP_L_AMP_OE              (1 << 3)
 210
 211/* HP_R_CTRL bit fields */
 212#define DA9055_HP_R_AMP_OE              (1 << 3)
 213
 214/* LINE_CTRL bit fields */
 215#define DA9055_LINE_AMP_OE              (1 << 3)
 216
 217/* MIXOUT_L_CTRL bit fields */
 218#define DA9055_MIXOUT_L_MIX_EN          (1 << 3)
 219
 220/* MIXOUT_R_CTRL bit fields */
 221#define DA9055_MIXOUT_R_MIX_EN          (1 << 3)
 222
 223/* MIC bias select bit fields */
 224#define DA9055_MICBIAS2_EN              (1 << 6)
 225
 226/* ALC_CIC_OP_LEVEL_CTRL bit fields */
 227#define DA9055_ALC_DATA_MIDDLE          (2 << 0)
 228#define DA9055_ALC_DATA_TOP             (3 << 0)
 229#define DA9055_ALC_CIC_OP_CHANNEL_LEFT  (0 << 7)
 230#define DA9055_ALC_CIC_OP_CHANNEL_RIGHT (1 << 7)
 231
 232#define DA9055_AIF_BCLK_MASK            (3 << 0)
 233#define DA9055_AIF_CLK_MODE_MASK        (1 << 7)
 234#define DA9055_AIF_FORMAT_MASK          (3 << 0)
 235#define DA9055_AIF_WORD_LENGTH_MASK     (3 << 2)
 236#define DA9055_GAIN_RAMPING_EN          (1 << 5)
 237#define DA9055_MICBIAS_LEVEL_MASK       (3 << 4)
 238
 239#define DA9055_ALC_OFFSET_15_8          0x00FF00
 240#define DA9055_ALC_OFFSET_17_16         0x030000
 241#define DA9055_ALC_AVG_ITERATIONS       5
 242
 243struct pll_div {
 244        int fref;
 245        int fout;
 246        u8 frac_top;
 247        u8 frac_bot;
 248        u8 integer;
 249        u8 mode;        /* 0 = slave, 1 = master */
 250};
 251
 252/* PLL divisor table */
 253static const struct pll_div da9055_pll_div[] = {
 254        /* for MASTER mode, fs = 44.1Khz and its harmonics */
 255        {11289600, 2822400, 0x00, 0x00, 0x20, 1},       /* MCLK=11.2896Mhz */
 256        {12000000, 2822400, 0x03, 0x61, 0x1E, 1},       /* MCLK=12Mhz */
 257        {12288000, 2822400, 0x0C, 0xCC, 0x1D, 1},       /* MCLK=12.288Mhz */
 258        {13000000, 2822400, 0x19, 0x45, 0x1B, 1},       /* MCLK=13Mhz */
 259        {13500000, 2822400, 0x18, 0x56, 0x1A, 1},       /* MCLK=13.5Mhz */
 260        {14400000, 2822400, 0x02, 0xD0, 0x19, 1},       /* MCLK=14.4Mhz */
 261        {19200000, 2822400, 0x1A, 0x1C, 0x12, 1},       /* MCLK=19.2Mhz */
 262        {19680000, 2822400, 0x0B, 0x6D, 0x12, 1},       /* MCLK=19.68Mhz */
 263        {19800000, 2822400, 0x07, 0xDD, 0x12, 1},       /* MCLK=19.8Mhz */
 264        /* for MASTER mode, fs = 48Khz and its harmonics */
 265        {11289600, 3072000, 0x1A, 0x8E, 0x22, 1},       /* MCLK=11.2896Mhz */
 266        {12000000, 3072000, 0x18, 0x93, 0x20, 1},       /* MCLK=12Mhz */
 267        {12288000, 3072000, 0x00, 0x00, 0x20, 1},       /* MCLK=12.288Mhz */
 268        {13000000, 3072000, 0x07, 0xEA, 0x1E, 1},       /* MCLK=13Mhz */
 269        {13500000, 3072000, 0x04, 0x11, 0x1D, 1},       /* MCLK=13.5Mhz */
 270        {14400000, 3072000, 0x09, 0xD0, 0x1B, 1},       /* MCLK=14.4Mhz */
 271        {19200000, 3072000, 0x0F, 0x5C, 0x14, 1},       /* MCLK=19.2Mhz */
 272        {19680000, 3072000, 0x1F, 0x60, 0x13, 1},       /* MCLK=19.68Mhz */
 273        {19800000, 3072000, 0x1B, 0x80, 0x13, 1},       /* MCLK=19.8Mhz */
 274        /* for SLAVE mode with SRM */
 275        {11289600, 2822400, 0x0D, 0x47, 0x21, 0},       /* MCLK=11.2896Mhz */
 276        {12000000, 2822400, 0x0D, 0xFA, 0x1F, 0},       /* MCLK=12Mhz */
 277        {12288000, 2822400, 0x16, 0x66, 0x1E, 0},       /* MCLK=12.288Mhz */
 278        {13000000, 2822400, 0x00, 0x98, 0x1D, 0},       /* MCLK=13Mhz */
 279        {13500000, 2822400, 0x1E, 0x33, 0x1B, 0},       /* MCLK=13.5Mhz */
 280        {14400000, 2822400, 0x06, 0x50, 0x1A, 0},       /* MCLK=14.4Mhz */
 281        {19200000, 2822400, 0x14, 0xBC, 0x13, 0},       /* MCLK=19.2Mhz */
 282        {19680000, 2822400, 0x05, 0x66, 0x13, 0},       /* MCLK=19.68Mhz */
 283        {19800000, 2822400, 0x01, 0xAE, 0x13, 0},       /* MCLK=19.8Mhz  */
 284};
 285
 286enum clk_src {
 287        DA9055_CLKSRC_MCLK
 288};
 289
 290/* Gain and Volume */
 291
 292static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
 293        0x0, 0x10, TLV_DB_SCALE_ITEM(-5400, 0, 0),
 294        /* -54dB to 15dB */
 295        0x11, 0x3f, TLV_DB_SCALE_ITEM(-5400, 150, 0)
 296);
 297
 298static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
 299        0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
 300        /* -78dB to 12dB */
 301        0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
 302);
 303
 304static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
 305        0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
 306        /* 0dB to 36dB */
 307        0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
 308);
 309
 310static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
 311static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
 312static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
 313static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
 314static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
 315static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
 316static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
 317
 318/* ADC and DAC high pass filter cutoff value */
 319static const char * const da9055_hpf_cutoff_txt[] = {
 320        "Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
 321};
 322
 323static SOC_ENUM_SINGLE_DECL(da9055_dac_hpf_cutoff,
 324                            DA9055_DAC_FILTERS1, 4, da9055_hpf_cutoff_txt);
 325
 326static SOC_ENUM_SINGLE_DECL(da9055_adc_hpf_cutoff,
 327                            DA9055_ADC_FILTERS1, 4, da9055_hpf_cutoff_txt);
 328
 329/* ADC and DAC voice mode (8kHz) high pass cutoff value */
 330static const char * const da9055_vf_cutoff_txt[] = {
 331        "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
 332};
 333
 334static SOC_ENUM_SINGLE_DECL(da9055_dac_vf_cutoff,
 335                            DA9055_DAC_FILTERS1, 0, da9055_vf_cutoff_txt);
 336
 337static SOC_ENUM_SINGLE_DECL(da9055_adc_vf_cutoff,
 338                            DA9055_ADC_FILTERS1, 0, da9055_vf_cutoff_txt);
 339
 340/* Gain ramping rate value */
 341static const char * const da9055_gain_ramping_txt[] = {
 342        "nominal rate", "nominal rate * 4", "nominal rate * 8",
 343        "nominal rate / 8"
 344};
 345
 346static SOC_ENUM_SINGLE_DECL(da9055_gain_ramping_rate,
 347                            DA9055_GAIN_RAMP_CTRL, 0, da9055_gain_ramping_txt);
 348
 349/* DAC noise gate setup time value */
 350static const char * const da9055_dac_ng_setup_time_txt[] = {
 351        "256 samples", "512 samples", "1024 samples", "2048 samples"
 352};
 353
 354static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_setup_time,
 355                            DA9055_DAC_NG_SETUP_TIME, 0,
 356                            da9055_dac_ng_setup_time_txt);
 357
 358/* DAC noise gate rampup rate value */
 359static const char * const da9055_dac_ng_rampup_txt[] = {
 360        "0.02 ms/dB", "0.16 ms/dB"
 361};
 362
 363static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_rampup_rate,
 364                            DA9055_DAC_NG_SETUP_TIME, 2,
 365                            da9055_dac_ng_rampup_txt);
 366
 367/* DAC noise gate rampdown rate value */
 368static const char * const da9055_dac_ng_rampdown_txt[] = {
 369        "0.64 ms/dB", "20.48 ms/dB"
 370};
 371
 372static SOC_ENUM_SINGLE_DECL(da9055_dac_ng_rampdown_rate,
 373                            DA9055_DAC_NG_SETUP_TIME, 3,
 374                            da9055_dac_ng_rampdown_txt);
 375
 376/* DAC soft mute rate value */
 377static const char * const da9055_dac_soft_mute_rate_txt[] = {
 378        "1", "2", "4", "8", "16", "32", "64"
 379};
 380
 381static SOC_ENUM_SINGLE_DECL(da9055_dac_soft_mute_rate,
 382                            DA9055_DAC_FILTERS5, 4,
 383                            da9055_dac_soft_mute_rate_txt);
 384
 385/* DAC routing select */
 386static const char * const da9055_dac_src_txt[] = {
 387        "ADC output left", "ADC output right", "AIF input left",
 388        "AIF input right"
 389};
 390
 391static SOC_ENUM_SINGLE_DECL(da9055_dac_l_src,
 392                            DA9055_DIG_ROUTING_DAC, 0, da9055_dac_src_txt);
 393
 394static SOC_ENUM_SINGLE_DECL(da9055_dac_r_src,
 395                            DA9055_DIG_ROUTING_DAC, 4, da9055_dac_src_txt);
 396
 397/* MIC PGA Left source select */
 398static const char * const da9055_mic_l_src_txt[] = {
 399        "MIC1_P_N", "MIC1_P", "MIC1_N", "MIC2_L"
 400};
 401
 402static SOC_ENUM_SINGLE_DECL(da9055_mic_l_src,
 403                            DA9055_MIXIN_L_SELECT, 4, da9055_mic_l_src_txt);
 404
 405/* MIC PGA Right source select */
 406static const char * const da9055_mic_r_src_txt[] = {
 407        "MIC2_R_L", "MIC2_R", "MIC2_L"
 408};
 409
 410static SOC_ENUM_SINGLE_DECL(da9055_mic_r_src,
 411                            DA9055_MIXIN_R_SELECT, 4, da9055_mic_r_src_txt);
 412
 413/* ALC Input Signal Tracking rate select */
 414static const char * const da9055_signal_tracking_rate_txt[] = {
 415        "1/4", "1/16", "1/256", "1/65536"
 416};
 417
 418static SOC_ENUM_SINGLE_DECL(da9055_integ_attack_rate,
 419                            DA9055_ALC_CTRL3, 4,
 420                            da9055_signal_tracking_rate_txt);
 421
 422static SOC_ENUM_SINGLE_DECL(da9055_integ_release_rate,
 423                            DA9055_ALC_CTRL3, 6,
 424                            da9055_signal_tracking_rate_txt);
 425
 426/* ALC Attack Rate select */
 427static const char * const da9055_attack_rate_txt[] = {
 428        "44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
 429        "5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 430};
 431
 432static SOC_ENUM_SINGLE_DECL(da9055_attack_rate,
 433                            DA9055_ALC_CTRL2, 0, da9055_attack_rate_txt);
 434
 435/* ALC Release Rate select */
 436static const char * const da9055_release_rate_txt[] = {
 437        "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
 438        "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
 439};
 440
 441static SOC_ENUM_SINGLE_DECL(da9055_release_rate,
 442                            DA9055_ALC_CTRL2, 4, da9055_release_rate_txt);
 443
 444/* ALC Hold Time select */
 445static const char * const da9055_hold_time_txt[] = {
 446        "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
 447        "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
 448        "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
 449};
 450
 451static SOC_ENUM_SINGLE_DECL(da9055_hold_time,
 452                            DA9055_ALC_CTRL3, 0, da9055_hold_time_txt);
 453
 454static int da9055_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
 455{
 456        int mid_data, top_data;
 457        int sum = 0;
 458        u8 iteration;
 459
 460        for (iteration = 0; iteration < DA9055_ALC_AVG_ITERATIONS;
 461             iteration++) {
 462                /* Select the left or right channel and capture data */
 463                snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL, reg_val);
 464
 465                /* Select middle 8 bits for read back from data register */
 466                snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL,
 467                              reg_val | DA9055_ALC_DATA_MIDDLE);
 468                mid_data = snd_soc_read(codec, DA9055_ALC_CIC_OP_LVL_DATA);
 469
 470                /* Select top 8 bits for read back from data register */
 471                snd_soc_write(codec, DA9055_ALC_CIC_OP_LVL_CTRL,
 472                              reg_val | DA9055_ALC_DATA_TOP);
 473                top_data = snd_soc_read(codec, DA9055_ALC_CIC_OP_LVL_DATA);
 474
 475                sum += ((mid_data << 8) | (top_data << 16));
 476        }
 477
 478        return sum / DA9055_ALC_AVG_ITERATIONS;
 479}
 480
 481static int da9055_put_alc_sw(struct snd_kcontrol *kcontrol,
 482                             struct snd_ctl_elem_value *ucontrol)
 483{
 484        struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
 485        u8 reg_val, adc_left, adc_right, mic_left, mic_right;
 486        int avg_left_data, avg_right_data, offset_l, offset_r;
 487
 488        if (ucontrol->value.integer.value[0]) {
 489                /*
 490                 * While enabling ALC (or ALC sync mode), calibration of the DC
 491                 * offsets must be done first
 492                 */
 493
 494                /* Save current values from Mic control registers */
 495                mic_left = snd_soc_read(codec, DA9055_MIC_L_CTRL);
 496                mic_right = snd_soc_read(codec, DA9055_MIC_R_CTRL);
 497
 498                /* Mute Mic PGA Left and Right */
 499                snd_soc_update_bits(codec, DA9055_MIC_L_CTRL,
 500                                    DA9055_MIC_L_MUTE_EN, DA9055_MIC_L_MUTE_EN);
 501                snd_soc_update_bits(codec, DA9055_MIC_R_CTRL,
 502                                    DA9055_MIC_R_MUTE_EN, DA9055_MIC_R_MUTE_EN);
 503
 504                /* Save current values from ADC control registers */
 505                adc_left = snd_soc_read(codec, DA9055_ADC_L_CTRL);
 506                adc_right = snd_soc_read(codec, DA9055_ADC_R_CTRL);
 507
 508                /* Enable ADC Left and Right */
 509                snd_soc_update_bits(codec, DA9055_ADC_L_CTRL,
 510                                    DA9055_ADC_L_EN, DA9055_ADC_L_EN);
 511                snd_soc_update_bits(codec, DA9055_ADC_R_CTRL,
 512                                    DA9055_ADC_R_EN, DA9055_ADC_R_EN);
 513
 514                /* Calculate average for Left and Right data */
 515                /* Left Data */
 516                avg_left_data = da9055_get_alc_data(codec,
 517                                DA9055_ALC_CIC_OP_CHANNEL_LEFT);
 518                /* Right Data */
 519                avg_right_data = da9055_get_alc_data(codec,
 520                                 DA9055_ALC_CIC_OP_CHANNEL_RIGHT);
 521
 522                /* Calculate DC offset */
 523                offset_l = -avg_left_data;
 524                offset_r = -avg_right_data;
 525
 526                reg_val = (offset_l & DA9055_ALC_OFFSET_15_8) >> 8;
 527                snd_soc_write(codec, DA9055_ALC_OFFSET_OP2M_L, reg_val);
 528                reg_val = (offset_l & DA9055_ALC_OFFSET_17_16) >> 16;
 529                snd_soc_write(codec, DA9055_ALC_OFFSET_OP2U_L, reg_val);
 530
 531                reg_val = (offset_r & DA9055_ALC_OFFSET_15_8) >> 8;
 532                snd_soc_write(codec, DA9055_ALC_OFFSET_OP2M_R, reg_val);
 533                reg_val = (offset_r & DA9055_ALC_OFFSET_17_16) >> 16;
 534                snd_soc_write(codec, DA9055_ALC_OFFSET_OP2U_R, reg_val);
 535
 536                /* Restore original values of ADC control registers */
 537                snd_soc_write(codec, DA9055_ADC_L_CTRL, adc_left);
 538                snd_soc_write(codec, DA9055_ADC_R_CTRL, adc_right);
 539
 540                /* Restore original values of Mic control registers */
 541                snd_soc_write(codec, DA9055_MIC_L_CTRL, mic_left);
 542                snd_soc_write(codec, DA9055_MIC_R_CTRL, mic_right);
 543        }
 544
 545        return snd_soc_put_volsw(kcontrol, ucontrol);
 546}
 547
 548static const struct snd_kcontrol_new da9055_snd_controls[] = {
 549
 550        /* Volume controls */
 551        SOC_DOUBLE_R_TLV("Mic Volume",
 552                         DA9055_MIC_L_GAIN, DA9055_MIC_R_GAIN,
 553                         0, 0x7, 0, mic_vol_tlv),
 554        SOC_DOUBLE_R_TLV("Aux Volume",
 555                         DA9055_AUX_L_GAIN, DA9055_AUX_R_GAIN,
 556                         0, 0x3f, 0, aux_vol_tlv),
 557        SOC_DOUBLE_R_TLV("Mixin PGA Volume",
 558                         DA9055_MIXIN_L_GAIN, DA9055_MIXIN_R_GAIN,
 559                         0, 0xf, 0, mixin_gain_tlv),
 560        SOC_DOUBLE_R_TLV("ADC Volume",
 561                         DA9055_ADC_L_GAIN, DA9055_ADC_R_GAIN,
 562                         0, 0x7f, 0, digital_gain_tlv),
 563
 564        SOC_DOUBLE_R_TLV("DAC Volume",
 565                         DA9055_DAC_L_GAIN, DA9055_DAC_R_GAIN,
 566                         0, 0x7f, 0, digital_gain_tlv),
 567        SOC_DOUBLE_R_TLV("Headphone Volume",
 568                         DA9055_HP_L_GAIN, DA9055_HP_R_GAIN,
 569                         0, 0x3f, 0, hp_vol_tlv),
 570        SOC_SINGLE_TLV("Lineout Volume", DA9055_LINE_GAIN, 0, 0x3f, 0,
 571                       lineout_vol_tlv),
 572
 573        /* DAC Equalizer controls */
 574        SOC_SINGLE("DAC EQ Switch", DA9055_DAC_FILTERS4, 7, 1, 0),
 575        SOC_SINGLE_TLV("DAC EQ1 Volume", DA9055_DAC_FILTERS2, 0, 0xf, 0,
 576                       eq_gain_tlv),
 577        SOC_SINGLE_TLV("DAC EQ2 Volume", DA9055_DAC_FILTERS2, 4, 0xf, 0,
 578                       eq_gain_tlv),
 579        SOC_SINGLE_TLV("DAC EQ3 Volume", DA9055_DAC_FILTERS3, 0, 0xf, 0,
 580                       eq_gain_tlv),
 581        SOC_SINGLE_TLV("DAC EQ4 Volume", DA9055_DAC_FILTERS3, 4, 0xf, 0,
 582                       eq_gain_tlv),
 583        SOC_SINGLE_TLV("DAC EQ5 Volume", DA9055_DAC_FILTERS4, 0, 0xf, 0,
 584                       eq_gain_tlv),
 585
 586        /* High Pass Filter and Voice Mode controls */
 587        SOC_SINGLE("ADC HPF Switch", DA9055_ADC_FILTERS1, 7, 1, 0),
 588        SOC_ENUM("ADC HPF Cutoff", da9055_adc_hpf_cutoff),
 589        SOC_SINGLE("ADC Voice Mode Switch", DA9055_ADC_FILTERS1, 3, 1, 0),
 590        SOC_ENUM("ADC Voice Cutoff", da9055_adc_vf_cutoff),
 591
 592        SOC_SINGLE("DAC HPF Switch", DA9055_DAC_FILTERS1, 7, 1, 0),
 593        SOC_ENUM("DAC HPF Cutoff", da9055_dac_hpf_cutoff),
 594        SOC_SINGLE("DAC Voice Mode Switch", DA9055_DAC_FILTERS1, 3, 1, 0),
 595        SOC_ENUM("DAC Voice Cutoff", da9055_dac_vf_cutoff),
 596
 597        /* Mute controls */
 598        SOC_DOUBLE_R("Mic Switch", DA9055_MIC_L_CTRL,
 599                     DA9055_MIC_R_CTRL, 6, 1, 0),
 600        SOC_DOUBLE_R("Aux Switch", DA9055_AUX_L_CTRL,
 601                     DA9055_AUX_R_CTRL, 6, 1, 0),
 602        SOC_DOUBLE_R("Mixin PGA Switch", DA9055_MIXIN_L_CTRL,
 603                     DA9055_MIXIN_R_CTRL, 6, 1, 0),
 604        SOC_DOUBLE_R("ADC Switch", DA9055_ADC_L_CTRL,
 605                     DA9055_ADC_R_CTRL, 6, 1, 0),
 606        SOC_DOUBLE_R("Headphone Switch", DA9055_HP_L_CTRL,
 607                     DA9055_HP_R_CTRL, 6, 1, 0),
 608        SOC_SINGLE("Lineout Switch", DA9055_LINE_CTRL, 6, 1, 0),
 609        SOC_SINGLE("DAC Soft Mute Switch", DA9055_DAC_FILTERS5, 7, 1, 0),
 610        SOC_ENUM("DAC Soft Mute Rate", da9055_dac_soft_mute_rate),
 611
 612        /* Zero Cross controls */
 613        SOC_DOUBLE_R("Aux ZC Switch", DA9055_AUX_L_CTRL,
 614                     DA9055_AUX_R_CTRL, 4, 1, 0),
 615        SOC_DOUBLE_R("Mixin PGA ZC Switch", DA9055_MIXIN_L_CTRL,
 616                     DA9055_MIXIN_R_CTRL, 4, 1, 0),
 617        SOC_DOUBLE_R("Headphone ZC Switch", DA9055_HP_L_CTRL,
 618                     DA9055_HP_R_CTRL, 4, 1, 0),
 619        SOC_SINGLE("Lineout ZC Switch", DA9055_LINE_CTRL, 4, 1, 0),
 620
 621        /* Gain Ramping controls */
 622        SOC_DOUBLE_R("Aux Gain Ramping Switch", DA9055_AUX_L_CTRL,
 623                     DA9055_AUX_R_CTRL, 5, 1, 0),
 624        SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA9055_MIXIN_L_CTRL,
 625                     DA9055_MIXIN_R_CTRL, 5, 1, 0),
 626        SOC_DOUBLE_R("ADC Gain Ramping Switch", DA9055_ADC_L_CTRL,
 627                     DA9055_ADC_R_CTRL, 5, 1, 0),
 628        SOC_DOUBLE_R("DAC Gain Ramping Switch", DA9055_DAC_L_CTRL,
 629                     DA9055_DAC_R_CTRL, 5, 1, 0),
 630        SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA9055_HP_L_CTRL,
 631                     DA9055_HP_R_CTRL, 5, 1, 0),
 632        SOC_SINGLE("Lineout Gain Ramping Switch", DA9055_LINE_CTRL, 5, 1, 0),
 633        SOC_ENUM("Gain Ramping Rate", da9055_gain_ramping_rate),
 634
 635        /* DAC Noise Gate controls */
 636        SOC_SINGLE("DAC NG Switch", DA9055_DAC_NG_CTRL, 7, 1, 0),
 637        SOC_SINGLE("DAC NG ON Threshold", DA9055_DAC_NG_ON_THRESHOLD,
 638                   0, 0x7, 0),
 639        SOC_SINGLE("DAC NG OFF Threshold", DA9055_DAC_NG_OFF_THRESHOLD,
 640                   0, 0x7, 0),
 641        SOC_ENUM("DAC NG Setup Time", da9055_dac_ng_setup_time),
 642        SOC_ENUM("DAC NG Rampup Rate", da9055_dac_ng_rampup_rate),
 643        SOC_ENUM("DAC NG Rampdown Rate", da9055_dac_ng_rampdown_rate),
 644
 645        /* DAC Invertion control */
 646        SOC_SINGLE("DAC Left Invert", DA9055_DIG_CTRL, 3, 1, 0),
 647        SOC_SINGLE("DAC Right Invert", DA9055_DIG_CTRL, 7, 1, 0),
 648
 649        /* DMIC controls */
 650        SOC_DOUBLE_R("DMIC Switch", DA9055_MIXIN_L_SELECT,
 651                     DA9055_MIXIN_R_SELECT, 7, 1, 0),
 652
 653        /* ALC Controls */
 654        SOC_DOUBLE_EXT("ALC Switch", DA9055_ALC_CTRL1, 3, 7, 1, 0,
 655                       snd_soc_get_volsw, da9055_put_alc_sw),
 656        SOC_SINGLE_EXT("ALC Sync Mode Switch", DA9055_ALC_CTRL1, 1, 1, 0,
 657                       snd_soc_get_volsw, da9055_put_alc_sw),
 658        SOC_SINGLE("ALC Offset Switch", DA9055_ALC_CTRL1, 0, 1, 0),
 659        SOC_SINGLE("ALC Anticlip Mode Switch", DA9055_ALC_ANTICLIP_CTRL,
 660                   7, 1, 0),
 661        SOC_SINGLE("ALC Anticlip Level", DA9055_ALC_ANTICLIP_LEVEL,
 662                   0, 0x7f, 0),
 663        SOC_SINGLE_TLV("ALC Min Threshold Volume", DA9055_ALC_TARGET_MIN,
 664                       0, 0x3f, 1, alc_threshold_tlv),
 665        SOC_SINGLE_TLV("ALC Max Threshold Volume", DA9055_ALC_TARGET_MAX,
 666                       0, 0x3f, 1, alc_threshold_tlv),
 667        SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA9055_ALC_NOISE,
 668                       0, 0x3f, 1, alc_threshold_tlv),
 669        SOC_SINGLE_TLV("ALC Max Gain Volume", DA9055_ALC_GAIN_LIMITS,
 670                       4, 0xf, 0, alc_gain_tlv),
 671        SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA9055_ALC_GAIN_LIMITS,
 672                       0, 0xf, 0, alc_gain_tlv),
 673        SOC_SINGLE_TLV("ALC Min Analog Gain Volume",
 674                       DA9055_ALC_ANA_GAIN_LIMITS,
 675                       0, 0x7, 0, alc_analog_gain_tlv),
 676        SOC_SINGLE_TLV("ALC Max Analog Gain Volume",
 677                       DA9055_ALC_ANA_GAIN_LIMITS,
 678                       4, 0x7, 0, alc_analog_gain_tlv),
 679        SOC_ENUM("ALC Attack Rate", da9055_attack_rate),
 680        SOC_ENUM("ALC Release Rate", da9055_release_rate),
 681        SOC_ENUM("ALC Hold Time", da9055_hold_time),
 682        /*
 683         * Rate at which input signal envelope is tracked as the signal gets
 684         * larger
 685         */
 686        SOC_ENUM("ALC Integ Attack Rate", da9055_integ_attack_rate),
 687        /*
 688         * Rate at which input signal envelope is tracked as the signal gets
 689         * smaller
 690         */
 691        SOC_ENUM("ALC Integ Release Rate", da9055_integ_release_rate),
 692};
 693
 694/* DAPM Controls */
 695
 696/* Mic PGA Left Source */
 697static const struct snd_kcontrol_new da9055_mic_l_mux_controls =
 698SOC_DAPM_ENUM("Route", da9055_mic_l_src);
 699
 700/* Mic PGA Right Source */
 701static const struct snd_kcontrol_new da9055_mic_r_mux_controls =
 702SOC_DAPM_ENUM("Route", da9055_mic_r_src);
 703
 704/* In Mixer Left */
 705static const struct snd_kcontrol_new da9055_dapm_mixinl_controls[] = {
 706        SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXIN_L_SELECT, 0, 1, 0),
 707        SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_L_SELECT, 1, 1, 0),
 708        SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_L_SELECT, 2, 1, 0),
 709};
 710
 711/* In Mixer Right */
 712static const struct snd_kcontrol_new da9055_dapm_mixinr_controls[] = {
 713        SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXIN_R_SELECT, 0, 1, 0),
 714        SOC_DAPM_SINGLE("Mic Right Switch", DA9055_MIXIN_R_SELECT, 1, 1, 0),
 715        SOC_DAPM_SINGLE("Mic Left Switch", DA9055_MIXIN_R_SELECT, 2, 1, 0),
 716        SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXIN_R_SELECT, 3, 1, 0),
 717};
 718
 719/* DAC Left Source */
 720static const struct snd_kcontrol_new da9055_dac_l_mux_controls =
 721SOC_DAPM_ENUM("Route", da9055_dac_l_src);
 722
 723/* DAC Right Source */
 724static const struct snd_kcontrol_new da9055_dac_r_mux_controls =
 725SOC_DAPM_ENUM("Route", da9055_dac_r_src);
 726
 727/* Out Mixer Left */
 728static const struct snd_kcontrol_new da9055_dapm_mixoutl_controls[] = {
 729        SOC_DAPM_SINGLE("Aux Left Switch", DA9055_MIXOUT_L_SELECT, 0, 1, 0),
 730        SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_L_SELECT, 1, 1, 0),
 731        SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_L_SELECT, 2, 1, 0),
 732        SOC_DAPM_SINGLE("DAC Left Switch", DA9055_MIXOUT_L_SELECT, 3, 1, 0),
 733        SOC_DAPM_SINGLE("Aux Left Invert Switch", DA9055_MIXOUT_L_SELECT,
 734                        4, 1, 0),
 735        SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_L_SELECT,
 736                        5, 1, 0),
 737        SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_L_SELECT,
 738                        6, 1, 0),
 739};
 740
 741/* Out Mixer Right */
 742static const struct snd_kcontrol_new da9055_dapm_mixoutr_controls[] = {
 743        SOC_DAPM_SINGLE("Aux Right Switch", DA9055_MIXOUT_R_SELECT, 0, 1, 0),
 744        SOC_DAPM_SINGLE("Mixin Right Switch", DA9055_MIXOUT_R_SELECT, 1, 1, 0),
 745        SOC_DAPM_SINGLE("Mixin Left Switch", DA9055_MIXOUT_R_SELECT, 2, 1, 0),
 746        SOC_DAPM_SINGLE("DAC Right Switch", DA9055_MIXOUT_R_SELECT, 3, 1, 0),
 747        SOC_DAPM_SINGLE("Aux Right Invert Switch", DA9055_MIXOUT_R_SELECT,
 748                        4, 1, 0),
 749        SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA9055_MIXOUT_R_SELECT,
 750                        5, 1, 0),
 751        SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA9055_MIXOUT_R_SELECT,
 752                        6, 1, 0),
 753};
 754
 755/* Headphone Output Enable */
 756static const struct snd_kcontrol_new da9055_dapm_hp_l_control =
 757SOC_DAPM_SINGLE("Switch", DA9055_HP_L_CTRL, 3, 1, 0);
 758
 759static const struct snd_kcontrol_new da9055_dapm_hp_r_control =
 760SOC_DAPM_SINGLE("Switch", DA9055_HP_R_CTRL, 3, 1, 0);
 761
 762/* Lineout Output Enable */
 763static const struct snd_kcontrol_new da9055_dapm_lineout_control =
 764SOC_DAPM_SINGLE("Switch", DA9055_LINE_CTRL, 3, 1, 0);
 765
 766/* DAPM widgets */
 767static const struct snd_soc_dapm_widget da9055_dapm_widgets[] = {
 768        /* Input Side */
 769
 770        /* Input Lines */
 771        SND_SOC_DAPM_INPUT("MIC1"),
 772        SND_SOC_DAPM_INPUT("MIC2"),
 773        SND_SOC_DAPM_INPUT("AUXL"),
 774        SND_SOC_DAPM_INPUT("AUXR"),
 775
 776        /* MUXs for Mic PGA source selection */
 777        SND_SOC_DAPM_MUX("Mic Left Source", SND_SOC_NOPM, 0, 0,
 778                         &da9055_mic_l_mux_controls),
 779        SND_SOC_DAPM_MUX("Mic Right Source", SND_SOC_NOPM, 0, 0,
 780                         &da9055_mic_r_mux_controls),
 781
 782        /* Input PGAs */
 783        SND_SOC_DAPM_PGA("Mic Left", DA9055_MIC_L_CTRL, 7, 0, NULL, 0),
 784        SND_SOC_DAPM_PGA("Mic Right", DA9055_MIC_R_CTRL, 7, 0, NULL, 0),
 785        SND_SOC_DAPM_PGA("Aux Left", DA9055_AUX_L_CTRL, 7, 0, NULL, 0),
 786        SND_SOC_DAPM_PGA("Aux Right", DA9055_AUX_R_CTRL, 7, 0, NULL, 0),
 787        SND_SOC_DAPM_PGA("MIXIN Left", DA9055_MIXIN_L_CTRL, 7, 0, NULL, 0),
 788        SND_SOC_DAPM_PGA("MIXIN Right", DA9055_MIXIN_R_CTRL, 7, 0, NULL, 0),
 789
 790        SND_SOC_DAPM_SUPPLY("Mic Bias", DA9055_MIC_BIAS_CTRL, 7, 0, NULL, 0),
 791        SND_SOC_DAPM_SUPPLY("AIF", DA9055_AIF_CTRL, 7, 0, NULL, 0),
 792        SND_SOC_DAPM_SUPPLY("Charge Pump", DA9055_CP_CTRL, 7, 0, NULL, 0),
 793
 794        /* Input Mixers */
 795        SND_SOC_DAPM_MIXER("In Mixer Left", SND_SOC_NOPM, 0, 0,
 796                           &da9055_dapm_mixinl_controls[0],
 797                           ARRAY_SIZE(da9055_dapm_mixinl_controls)),
 798        SND_SOC_DAPM_MIXER("In Mixer Right", SND_SOC_NOPM, 0, 0,
 799                           &da9055_dapm_mixinr_controls[0],
 800                           ARRAY_SIZE(da9055_dapm_mixinr_controls)),
 801
 802        /* ADCs */
 803        SND_SOC_DAPM_ADC("ADC Left", "Capture", DA9055_ADC_L_CTRL, 7, 0),
 804        SND_SOC_DAPM_ADC("ADC Right", "Capture", DA9055_ADC_R_CTRL, 7, 0),
 805
 806        /* Output Side */
 807
 808        /* MUXs for DAC source selection */
 809        SND_SOC_DAPM_MUX("DAC Left Source", SND_SOC_NOPM, 0, 0,
 810                         &da9055_dac_l_mux_controls),
 811        SND_SOC_DAPM_MUX("DAC Right Source", SND_SOC_NOPM, 0, 0,
 812                         &da9055_dac_r_mux_controls),
 813
 814        /* AIF input */
 815        SND_SOC_DAPM_AIF_IN("AIFIN Left", "Playback", 0, SND_SOC_NOPM, 0, 0),
 816        SND_SOC_DAPM_AIF_IN("AIFIN Right", "Playback", 0, SND_SOC_NOPM, 0, 0),
 817
 818        /* DACs */
 819        SND_SOC_DAPM_DAC("DAC Left", "Playback", DA9055_DAC_L_CTRL, 7, 0),
 820        SND_SOC_DAPM_DAC("DAC Right", "Playback", DA9055_DAC_R_CTRL, 7, 0),
 821
 822        /* Output Mixers */
 823        SND_SOC_DAPM_MIXER("Out Mixer Left", SND_SOC_NOPM, 0, 0,
 824                           &da9055_dapm_mixoutl_controls[0],
 825                           ARRAY_SIZE(da9055_dapm_mixoutl_controls)),
 826        SND_SOC_DAPM_MIXER("Out Mixer Right", SND_SOC_NOPM, 0, 0,
 827                           &da9055_dapm_mixoutr_controls[0],
 828                           ARRAY_SIZE(da9055_dapm_mixoutr_controls)),
 829
 830        /* Output Enable Switches */
 831        SND_SOC_DAPM_SWITCH("Headphone Left Enable", SND_SOC_NOPM, 0, 0,
 832                            &da9055_dapm_hp_l_control),
 833        SND_SOC_DAPM_SWITCH("Headphone Right Enable", SND_SOC_NOPM, 0, 0,
 834                            &da9055_dapm_hp_r_control),
 835        SND_SOC_DAPM_SWITCH("Lineout Enable", SND_SOC_NOPM, 0, 0,
 836                            &da9055_dapm_lineout_control),
 837
 838        /* Output PGAs */
 839        SND_SOC_DAPM_PGA("MIXOUT Left", DA9055_MIXOUT_L_CTRL, 7, 0, NULL, 0),
 840        SND_SOC_DAPM_PGA("MIXOUT Right", DA9055_MIXOUT_R_CTRL, 7, 0, NULL, 0),
 841        SND_SOC_DAPM_PGA("Lineout", DA9055_LINE_CTRL, 7, 0, NULL, 0),
 842        SND_SOC_DAPM_PGA("Headphone Left", DA9055_HP_L_CTRL, 7, 0, NULL, 0),
 843        SND_SOC_DAPM_PGA("Headphone Right", DA9055_HP_R_CTRL, 7, 0, NULL, 0),
 844
 845        /* Output Lines */
 846        SND_SOC_DAPM_OUTPUT("HPL"),
 847        SND_SOC_DAPM_OUTPUT("HPR"),
 848        SND_SOC_DAPM_OUTPUT("LINE"),
 849};
 850
 851/* DAPM audio route definition */
 852static const struct snd_soc_dapm_route da9055_audio_map[] = {
 853        /* Dest       Connecting Widget    source */
 854
 855        /* Input path */
 856        {"Mic Left Source", "MIC1_P_N", "MIC1"},
 857        {"Mic Left Source", "MIC1_P", "MIC1"},
 858        {"Mic Left Source", "MIC1_N", "MIC1"},
 859        {"Mic Left Source", "MIC2_L", "MIC2"},
 860
 861        {"Mic Right Source", "MIC2_R_L", "MIC2"},
 862        {"Mic Right Source", "MIC2_R", "MIC2"},
 863        {"Mic Right Source", "MIC2_L", "MIC2"},
 864
 865        {"Mic Left", NULL, "Mic Left Source"},
 866        {"Mic Right", NULL, "Mic Right Source"},
 867
 868        {"Aux Left", NULL, "AUXL"},
 869        {"Aux Right", NULL, "AUXR"},
 870
 871        {"In Mixer Left", "Mic Left Switch", "Mic Left"},
 872        {"In Mixer Left", "Mic Right Switch", "Mic Right"},
 873        {"In Mixer Left", "Aux Left Switch", "Aux Left"},
 874
 875        {"In Mixer Right", "Mic Right Switch", "Mic Right"},
 876        {"In Mixer Right", "Mic Left Switch", "Mic Left"},
 877        {"In Mixer Right", "Aux Right Switch", "Aux Right"},
 878        {"In Mixer Right", "Mixin Left Switch", "MIXIN Left"},
 879
 880        {"MIXIN Left", NULL, "In Mixer Left"},
 881        {"ADC Left", NULL, "MIXIN Left"},
 882
 883        {"MIXIN Right", NULL, "In Mixer Right"},
 884        {"ADC Right", NULL, "MIXIN Right"},
 885
 886        {"ADC Left", NULL, "AIF"},
 887        {"ADC Right", NULL, "AIF"},
 888
 889        /* Output path */
 890        {"AIFIN Left", NULL, "AIF"},
 891        {"AIFIN Right", NULL, "AIF"},
 892
 893        {"DAC Left Source", "ADC output left", "ADC Left"},
 894        {"DAC Left Source", "ADC output right", "ADC Right"},
 895        {"DAC Left Source", "AIF input left", "AIFIN Left"},
 896        {"DAC Left Source", "AIF input right", "AIFIN Right"},
 897
 898        {"DAC Right Source", "ADC output left", "ADC Left"},
 899        {"DAC Right Source", "ADC output right", "ADC Right"},
 900        {"DAC Right Source", "AIF input left", "AIFIN Left"},
 901        {"DAC Right Source", "AIF input right", "AIFIN Right"},
 902
 903        {"DAC Left", NULL, "DAC Left Source"},
 904        {"DAC Right", NULL, "DAC Right Source"},
 905
 906        {"Out Mixer Left", "Aux Left Switch", "Aux Left"},
 907        {"Out Mixer Left", "Mixin Left Switch", "MIXIN Left"},
 908        {"Out Mixer Left", "Mixin Right Switch", "MIXIN Right"},
 909        {"Out Mixer Left", "Aux Left Invert Switch", "Aux Left"},
 910        {"Out Mixer Left", "Mixin Left Invert Switch", "MIXIN Left"},
 911        {"Out Mixer Left", "Mixin Right Invert Switch", "MIXIN Right"},
 912        {"Out Mixer Left", "DAC Left Switch", "DAC Left"},
 913
 914        {"Out Mixer Right", "Aux Right Switch", "Aux Right"},
 915        {"Out Mixer Right", "Mixin Right Switch", "MIXIN Right"},
 916        {"Out Mixer Right", "Mixin Left Switch", "MIXIN Left"},
 917        {"Out Mixer Right", "Aux Right Invert Switch", "Aux Right"},
 918        {"Out Mixer Right", "Mixin Right Invert Switch", "MIXIN Right"},
 919        {"Out Mixer Right", "Mixin Left Invert Switch", "MIXIN Left"},
 920        {"Out Mixer Right", "DAC Right Switch", "DAC Right"},
 921
 922        {"MIXOUT Left", NULL, "Out Mixer Left"},
 923        {"Headphone Left Enable", "Switch", "MIXOUT Left"},
 924        {"Headphone Left", NULL, "Headphone Left Enable"},
 925        {"Headphone Left", NULL, "Charge Pump"},
 926        {"HPL", NULL, "Headphone Left"},
 927
 928        {"MIXOUT Right", NULL, "Out Mixer Right"},
 929        {"Headphone Right Enable", "Switch", "MIXOUT Right"},
 930        {"Headphone Right", NULL, "Headphone Right Enable"},
 931        {"Headphone Right", NULL, "Charge Pump"},
 932        {"HPR", NULL, "Headphone Right"},
 933
 934        {"MIXOUT Right", NULL, "Out Mixer Right"},
 935        {"Lineout Enable", "Switch", "MIXOUT Right"},
 936        {"Lineout", NULL, "Lineout Enable"},
 937        {"LINE", NULL, "Lineout"},
 938};
 939
 940/* Codec private data */
 941struct da9055_priv {
 942        struct regmap *regmap;
 943        unsigned int mclk_rate;
 944        int master;
 945        struct da9055_platform_data *pdata;
 946};
 947
 948static const struct reg_default da9055_reg_defaults[] = {
 949        { 0x21, 0x10 },
 950        { 0x22, 0x0A },
 951        { 0x23, 0x00 },
 952        { 0x24, 0x00 },
 953        { 0x25, 0x00 },
 954        { 0x26, 0x00 },
 955        { 0x27, 0x0C },
 956        { 0x28, 0x01 },
 957        { 0x29, 0x08 },
 958        { 0x2A, 0x32 },
 959        { 0x2B, 0x00 },
 960        { 0x30, 0x35 },
 961        { 0x31, 0x35 },
 962        { 0x32, 0x00 },
 963        { 0x33, 0x00 },
 964        { 0x34, 0x03 },
 965        { 0x35, 0x03 },
 966        { 0x36, 0x6F },
 967        { 0x37, 0x6F },
 968        { 0x38, 0x80 },
 969        { 0x39, 0x01 },
 970        { 0x3A, 0x01 },
 971        { 0x40, 0x00 },
 972        { 0x41, 0x88 },
 973        { 0x42, 0x88 },
 974        { 0x43, 0x08 },
 975        { 0x44, 0x80 },
 976        { 0x45, 0x6F },
 977        { 0x46, 0x6F },
 978        { 0x47, 0x61 },
 979        { 0x48, 0x35 },
 980        { 0x49, 0x35 },
 981        { 0x4A, 0x35 },
 982        { 0x4B, 0x00 },
 983        { 0x4C, 0x00 },
 984        { 0x60, 0x44 },
 985        { 0x61, 0x44 },
 986        { 0x62, 0x00 },
 987        { 0x63, 0x40 },
 988        { 0x64, 0x40 },
 989        { 0x65, 0x40 },
 990        { 0x66, 0x40 },
 991        { 0x67, 0x40 },
 992        { 0x68, 0x40 },
 993        { 0x69, 0x48 },
 994        { 0x6A, 0x40 },
 995        { 0x6B, 0x41 },
 996        { 0x6C, 0x40 },
 997        { 0x6D, 0x40 },
 998        { 0x6E, 0x10 },
 999        { 0x6F, 0x10 },
1000        { 0x90, 0x80 },
1001        { 0x92, 0x02 },
1002        { 0x93, 0x00 },
1003        { 0x99, 0x00 },
1004        { 0x9A, 0x00 },
1005        { 0x9B, 0x00 },
1006        { 0x9C, 0x3F },
1007        { 0x9D, 0x00 },
1008        { 0x9E, 0x3F },
1009        { 0x9F, 0xFF },
1010        { 0xA0, 0x71 },
1011        { 0xA1, 0x00 },
1012        { 0xA2, 0x00 },
1013        { 0xA6, 0x00 },
1014        { 0xA7, 0x00 },
1015        { 0xAB, 0x00 },
1016        { 0xAC, 0x00 },
1017        { 0xAD, 0x00 },
1018        { 0xAF, 0x08 },
1019        { 0xB0, 0x00 },
1020        { 0xB1, 0x00 },
1021        { 0xB2, 0x00 },
1022};
1023
1024static bool da9055_volatile_register(struct device *dev,
1025                                     unsigned int reg)
1026{
1027        switch (reg) {
1028        case DA9055_STATUS1:
1029        case DA9055_PLL_STATUS:
1030        case DA9055_AUX_L_GAIN_STATUS:
1031        case DA9055_AUX_R_GAIN_STATUS:
1032        case DA9055_MIC_L_GAIN_STATUS:
1033        case DA9055_MIC_R_GAIN_STATUS:
1034        case DA9055_MIXIN_L_GAIN_STATUS:
1035        case DA9055_MIXIN_R_GAIN_STATUS:
1036        case DA9055_ADC_L_GAIN_STATUS:
1037        case DA9055_ADC_R_GAIN_STATUS:
1038        case DA9055_DAC_L_GAIN_STATUS:
1039        case DA9055_DAC_R_GAIN_STATUS:
1040        case DA9055_HP_L_GAIN_STATUS:
1041        case DA9055_HP_R_GAIN_STATUS:
1042        case DA9055_LINE_GAIN_STATUS:
1043        case DA9055_ALC_CIC_OP_LVL_DATA:
1044                return 1;
1045        default:
1046                return 0;
1047        }
1048}
1049
1050/* Set DAI word length */
1051static int da9055_hw_params(struct snd_pcm_substream *substream,
1052                            struct snd_pcm_hw_params *params,
1053                            struct snd_soc_dai *dai)
1054{
1055        struct snd_soc_codec *codec = dai->codec;
1056        struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1057        u8 aif_ctrl, fs;
1058        u32 sysclk;
1059
1060        switch (params_width(params)) {
1061        case 16:
1062                aif_ctrl = DA9055_AIF_WORD_S16_LE;
1063                break;
1064        case 20:
1065                aif_ctrl = DA9055_AIF_WORD_S20_3LE;
1066                break;
1067        case 24:
1068                aif_ctrl = DA9055_AIF_WORD_S24_LE;
1069                break;
1070        case 32:
1071                aif_ctrl = DA9055_AIF_WORD_S32_LE;
1072                break;
1073        default:
1074                return -EINVAL;
1075        }
1076
1077        /* Set AIF format */
1078        snd_soc_update_bits(codec, DA9055_AIF_CTRL, DA9055_AIF_WORD_LENGTH_MASK,
1079                            aif_ctrl);
1080
1081        switch (params_rate(params)) {
1082        case 8000:
1083                fs              = DA9055_SR_8000;
1084                sysclk          = 3072000;
1085                break;
1086        case 11025:
1087                fs              = DA9055_SR_11025;
1088                sysclk          = 2822400;
1089                break;
1090        case 12000:
1091                fs              = DA9055_SR_12000;
1092                sysclk          = 3072000;
1093                break;
1094        case 16000:
1095                fs              = DA9055_SR_16000;
1096                sysclk          = 3072000;
1097                break;
1098        case 22050:
1099                fs              = DA9055_SR_22050;
1100                sysclk          = 2822400;
1101                break;
1102        case 32000:
1103                fs              = DA9055_SR_32000;
1104                sysclk          = 3072000;
1105                break;
1106        case 44100:
1107                fs              = DA9055_SR_44100;
1108                sysclk          = 2822400;
1109                break;
1110        case 48000:
1111                fs              = DA9055_SR_48000;
1112                sysclk          = 3072000;
1113                break;
1114        case 88200:
1115                fs              = DA9055_SR_88200;
1116                sysclk          = 2822400;
1117                break;
1118        case 96000:
1119                fs              = DA9055_SR_96000;
1120                sysclk          = 3072000;
1121                break;
1122        default:
1123                return -EINVAL;
1124        }
1125
1126        if (da9055->mclk_rate) {
1127                /* PLL Mode, Write actual FS */
1128                snd_soc_write(codec, DA9055_SR, fs);
1129        } else {
1130                /*
1131                 * Non-PLL Mode
1132                 * When PLL is bypassed, chip assumes constant MCLK of
1133                 * 12.288MHz and uses sample rate value to divide this MCLK
1134                 * to derive its sys clk. As sys clk has to be 256 * Fs, we
1135                 * need to write constant sample rate i.e. 48KHz.
1136                 */
1137                snd_soc_write(codec, DA9055_SR, DA9055_SR_48000);
1138        }
1139
1140        if (da9055->mclk_rate && (da9055->mclk_rate != sysclk)) {
1141                /* PLL Mode */
1142                if (!da9055->master) {
1143                        /* PLL slave mode, enable PLL and also SRM */
1144                        snd_soc_update_bits(codec, DA9055_PLL_CTRL,
1145                                            DA9055_PLL_EN | DA9055_PLL_SRM_EN,
1146                                            DA9055_PLL_EN | DA9055_PLL_SRM_EN);
1147                } else {
1148                        /* PLL master mode, only enable PLL */
1149                        snd_soc_update_bits(codec, DA9055_PLL_CTRL,
1150                                            DA9055_PLL_EN, DA9055_PLL_EN);
1151                }
1152        } else {
1153                /* Non PLL Mode, disable PLL */
1154                snd_soc_update_bits(codec, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1155        }
1156
1157        return 0;
1158}
1159
1160/* Set DAI mode and Format */
1161static int da9055_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1162{
1163        struct snd_soc_codec *codec = codec_dai->codec;
1164        struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1165        u8 aif_clk_mode, aif_ctrl, mode;
1166
1167        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1168        case SND_SOC_DAIFMT_CBM_CFM:
1169                /* DA9055 in I2S Master Mode */
1170                mode = 1;
1171                aif_clk_mode = DA9055_AIF_CLK_EN_MASTER_MODE;
1172                break;
1173        case SND_SOC_DAIFMT_CBS_CFS:
1174                /* DA9055 in I2S Slave Mode */
1175                mode = 0;
1176                aif_clk_mode = DA9055_AIF_CLK_EN_SLAVE_MODE;
1177                break;
1178        default:
1179                return -EINVAL;
1180        }
1181
1182        /* Don't allow change of mode if PLL is enabled */
1183        if ((snd_soc_read(codec, DA9055_PLL_CTRL) & DA9055_PLL_EN) &&
1184            (da9055->master != mode))
1185                return -EINVAL;
1186
1187        da9055->master = mode;
1188
1189        /* Only I2S is supported */
1190        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1191        case SND_SOC_DAIFMT_I2S:
1192                aif_ctrl = DA9055_AIF_FORMAT_I2S_MODE;
1193                break;
1194        case SND_SOC_DAIFMT_LEFT_J:
1195                aif_ctrl = DA9055_AIF_FORMAT_LEFT_J;
1196                break;
1197        case SND_SOC_DAIFMT_RIGHT_J:
1198                aif_ctrl = DA9055_AIF_FORMAT_RIGHT_J;
1199                break;
1200        case SND_SOC_DAIFMT_DSP_A:
1201                aif_ctrl = DA9055_AIF_FORMAT_DSP;
1202                break;
1203        default:
1204                return -EINVAL;
1205        }
1206
1207        /* By default only 32 BCLK per WCLK is supported */
1208        aif_clk_mode |= DA9055_AIF_BCLKS_PER_WCLK_32;
1209
1210        snd_soc_update_bits(codec, DA9055_AIF_CLK_MODE,
1211                            (DA9055_AIF_CLK_MODE_MASK | DA9055_AIF_BCLK_MASK),
1212                            aif_clk_mode);
1213        snd_soc_update_bits(codec, DA9055_AIF_CTRL, DA9055_AIF_FORMAT_MASK,
1214                            aif_ctrl);
1215        return 0;
1216}
1217
1218static int da9055_mute(struct snd_soc_dai *dai, int mute)
1219{
1220        struct snd_soc_codec *codec = dai->codec;
1221
1222        if (mute) {
1223                snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
1224                                    DA9055_DAC_L_MUTE_EN, DA9055_DAC_L_MUTE_EN);
1225                snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
1226                                    DA9055_DAC_R_MUTE_EN, DA9055_DAC_R_MUTE_EN);
1227        } else {
1228                snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
1229                                    DA9055_DAC_L_MUTE_EN, 0);
1230                snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
1231                                    DA9055_DAC_R_MUTE_EN, 0);
1232        }
1233
1234        return 0;
1235}
1236
1237#define DA9055_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1238                        SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1239
1240static int da9055_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1241                                 int clk_id, unsigned int freq, int dir)
1242{
1243        struct snd_soc_codec *codec = codec_dai->codec;
1244        struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1245
1246        switch (clk_id) {
1247        case DA9055_CLKSRC_MCLK:
1248                switch (freq) {
1249                case 11289600:
1250                case 12000000:
1251                case 12288000:
1252                case 13000000:
1253                case 13500000:
1254                case 14400000:
1255                case 19200000:
1256                case 19680000:
1257                case 19800000:
1258                        da9055->mclk_rate = freq;
1259                        return 0;
1260                default:
1261                        dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1262                                freq);
1263                        return -EINVAL;
1264                }
1265                break;
1266        default:
1267                dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1268                return -EINVAL;
1269        }
1270}
1271
1272/*
1273 * da9055_set_dai_pll   : Configure the codec PLL
1274 * @param codec_dai     : Pointer to codec DAI
1275 * @param pll_id        : da9055 has only one pll, so pll_id is always zero
1276 * @param fref          : Input MCLK frequency
1277 * @param fout          : FsDM value
1278 * @return int          : Zero for success, negative error code for error
1279 *
1280 * Note: Supported PLL input frequencies are 11.2896MHz, 12MHz, 12.288MHz,
1281 *       13MHz, 13.5MHz, 14.4MHz, 19.2MHz, 19.6MHz and 19.8MHz
1282 */
1283static int da9055_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1284                              int source, unsigned int fref, unsigned int fout)
1285{
1286        struct snd_soc_codec *codec = codec_dai->codec;
1287        struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1288
1289        u8 pll_frac_top, pll_frac_bot, pll_integer, cnt;
1290
1291        /* Disable PLL before setting the divisors */
1292        snd_soc_update_bits(codec, DA9055_PLL_CTRL, DA9055_PLL_EN, 0);
1293
1294        /* In slave mode, there is only one set of divisors */
1295        if (!da9055->master && (fout != 2822400))
1296                goto pll_err;
1297
1298        /* Search pll div array for correct divisors */
1299        for (cnt = 0; cnt < ARRAY_SIZE(da9055_pll_div); cnt++) {
1300                /* Check fref, mode  and fout */
1301                if ((fref == da9055_pll_div[cnt].fref) &&
1302                    (da9055->master ==  da9055_pll_div[cnt].mode) &&
1303                    (fout == da9055_pll_div[cnt].fout)) {
1304                        /* All match, pick up divisors */
1305                        pll_frac_top = da9055_pll_div[cnt].frac_top;
1306                        pll_frac_bot = da9055_pll_div[cnt].frac_bot;
1307                        pll_integer = da9055_pll_div[cnt].integer;
1308                        break;
1309                }
1310        }
1311        if (cnt >= ARRAY_SIZE(da9055_pll_div))
1312                goto pll_err;
1313
1314        /* Write PLL dividers */
1315        snd_soc_write(codec, DA9055_PLL_FRAC_TOP, pll_frac_top);
1316        snd_soc_write(codec, DA9055_PLL_FRAC_BOT, pll_frac_bot);
1317        snd_soc_write(codec, DA9055_PLL_INTEGER, pll_integer);
1318
1319        return 0;
1320pll_err:
1321        dev_err(codec_dai->dev, "Error in setting up PLL\n");
1322        return -EINVAL;
1323}
1324
1325/* DAI operations */
1326static const struct snd_soc_dai_ops da9055_dai_ops = {
1327        .hw_params      = da9055_hw_params,
1328        .set_fmt        = da9055_set_dai_fmt,
1329        .set_sysclk     = da9055_set_dai_sysclk,
1330        .set_pll        = da9055_set_dai_pll,
1331        .digital_mute   = da9055_mute,
1332};
1333
1334static struct snd_soc_dai_driver da9055_dai = {
1335        .name = "da9055-hifi",
1336        /* Playback Capabilities */
1337        .playback = {
1338                .stream_name = "Playback",
1339                .channels_min = 1,
1340                .channels_max = 2,
1341                .rates = SNDRV_PCM_RATE_8000_96000,
1342                .formats = DA9055_FORMATS,
1343        },
1344        /* Capture Capabilities */
1345        .capture = {
1346                .stream_name = "Capture",
1347                .channels_min = 1,
1348                .channels_max = 2,
1349                .rates = SNDRV_PCM_RATE_8000_96000,
1350                .formats = DA9055_FORMATS,
1351        },
1352        .ops = &da9055_dai_ops,
1353        .symmetric_rates = 1,
1354};
1355
1356static int da9055_set_bias_level(struct snd_soc_codec *codec,
1357                                 enum snd_soc_bias_level level)
1358{
1359        switch (level) {
1360        case SND_SOC_BIAS_ON:
1361        case SND_SOC_BIAS_PREPARE:
1362                break;
1363        case SND_SOC_BIAS_STANDBY:
1364                if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1365                        /* Enable VMID reference & master bias */
1366                        snd_soc_update_bits(codec, DA9055_REFERENCES,
1367                                            DA9055_VMID_EN | DA9055_BIAS_EN,
1368                                            DA9055_VMID_EN | DA9055_BIAS_EN);
1369                }
1370                break;
1371        case SND_SOC_BIAS_OFF:
1372                /* Disable VMID reference & master bias */
1373                snd_soc_update_bits(codec, DA9055_REFERENCES,
1374                                    DA9055_VMID_EN | DA9055_BIAS_EN, 0);
1375                break;
1376        }
1377        return 0;
1378}
1379
1380static int da9055_probe(struct snd_soc_codec *codec)
1381{
1382        struct da9055_priv *da9055 = snd_soc_codec_get_drvdata(codec);
1383
1384        /* Enable all Gain Ramps */
1385        snd_soc_update_bits(codec, DA9055_AUX_L_CTRL,
1386                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1387        snd_soc_update_bits(codec, DA9055_AUX_R_CTRL,
1388                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1389        snd_soc_update_bits(codec, DA9055_MIXIN_L_CTRL,
1390                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1391        snd_soc_update_bits(codec, DA9055_MIXIN_R_CTRL,
1392                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1393        snd_soc_update_bits(codec, DA9055_ADC_L_CTRL,
1394                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1395        snd_soc_update_bits(codec, DA9055_ADC_R_CTRL,
1396                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1397        snd_soc_update_bits(codec, DA9055_DAC_L_CTRL,
1398                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1399        snd_soc_update_bits(codec, DA9055_DAC_R_CTRL,
1400                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1401        snd_soc_update_bits(codec, DA9055_HP_L_CTRL,
1402                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1403        snd_soc_update_bits(codec, DA9055_HP_R_CTRL,
1404                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1405        snd_soc_update_bits(codec, DA9055_LINE_CTRL,
1406                            DA9055_GAIN_RAMPING_EN, DA9055_GAIN_RAMPING_EN);
1407
1408        /*
1409         * There are two separate control bits for input and output mixers.
1410         * One to enable corresponding amplifier and other to enable its
1411         * output. As amplifier bits are related to power control, they are
1412         * being managed by DAPM while other (non power related) bits are
1413         * enabled here
1414         */
1415        snd_soc_update_bits(codec, DA9055_MIXIN_L_CTRL,
1416                            DA9055_MIXIN_L_MIX_EN, DA9055_MIXIN_L_MIX_EN);
1417        snd_soc_update_bits(codec, DA9055_MIXIN_R_CTRL,
1418                            DA9055_MIXIN_R_MIX_EN, DA9055_MIXIN_R_MIX_EN);
1419
1420        snd_soc_update_bits(codec, DA9055_MIXOUT_L_CTRL,
1421                            DA9055_MIXOUT_L_MIX_EN, DA9055_MIXOUT_L_MIX_EN);
1422        snd_soc_update_bits(codec, DA9055_MIXOUT_R_CTRL,
1423                            DA9055_MIXOUT_R_MIX_EN, DA9055_MIXOUT_R_MIX_EN);
1424
1425        /* Set this as per your system configuration */
1426        snd_soc_write(codec, DA9055_PLL_CTRL, DA9055_PLL_INDIV_10_20_MHZ);
1427
1428        /* Set platform data values */
1429        if (da9055->pdata) {
1430                /* set mic bias source */
1431                if (da9055->pdata->micbias_source) {
1432                        snd_soc_update_bits(codec, DA9055_MIXIN_R_SELECT,
1433                                            DA9055_MICBIAS2_EN,
1434                                            DA9055_MICBIAS2_EN);
1435                } else {
1436                        snd_soc_update_bits(codec, DA9055_MIXIN_R_SELECT,
1437                                            DA9055_MICBIAS2_EN, 0);
1438                }
1439                /* set mic bias voltage */
1440                switch (da9055->pdata->micbias) {
1441                case DA9055_MICBIAS_2_2V:
1442                case DA9055_MICBIAS_2_1V:
1443                case DA9055_MICBIAS_1_8V:
1444                case DA9055_MICBIAS_1_6V:
1445                        snd_soc_update_bits(codec, DA9055_MIC_CONFIG,
1446                                            DA9055_MICBIAS_LEVEL_MASK,
1447                                            (da9055->pdata->micbias) << 4);
1448                        break;
1449                }
1450        }
1451        return 0;
1452}
1453
1454static const struct snd_soc_codec_driver soc_codec_dev_da9055 = {
1455        .probe                  = da9055_probe,
1456        .set_bias_level         = da9055_set_bias_level,
1457
1458        .component_driver = {
1459                .controls               = da9055_snd_controls,
1460                .num_controls           = ARRAY_SIZE(da9055_snd_controls),
1461                .dapm_widgets           = da9055_dapm_widgets,
1462                .num_dapm_widgets       = ARRAY_SIZE(da9055_dapm_widgets),
1463                .dapm_routes            = da9055_audio_map,
1464                .num_dapm_routes        = ARRAY_SIZE(da9055_audio_map),
1465        },
1466};
1467
1468static const struct regmap_config da9055_regmap_config = {
1469        .reg_bits = 8,
1470        .val_bits = 8,
1471
1472        .reg_defaults = da9055_reg_defaults,
1473        .num_reg_defaults = ARRAY_SIZE(da9055_reg_defaults),
1474        .volatile_reg = da9055_volatile_register,
1475        .cache_type = REGCACHE_RBTREE,
1476};
1477
1478static int da9055_i2c_probe(struct i2c_client *i2c,
1479                            const struct i2c_device_id *id)
1480{
1481        struct da9055_priv *da9055;
1482        struct da9055_platform_data *pdata = dev_get_platdata(&i2c->dev);
1483        int ret;
1484
1485        da9055 = devm_kzalloc(&i2c->dev, sizeof(struct da9055_priv),
1486                              GFP_KERNEL);
1487        if (!da9055)
1488                return -ENOMEM;
1489
1490        if (pdata)
1491                da9055->pdata = pdata;
1492
1493        i2c_set_clientdata(i2c, da9055);
1494
1495        da9055->regmap = devm_regmap_init_i2c(i2c, &da9055_regmap_config);
1496        if (IS_ERR(da9055->regmap)) {
1497                ret = PTR_ERR(da9055->regmap);
1498                dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1499                return ret;
1500        }
1501
1502        ret = snd_soc_register_codec(&i2c->dev,
1503                        &soc_codec_dev_da9055, &da9055_dai, 1);
1504        if (ret < 0) {
1505                dev_err(&i2c->dev, "Failed to register da9055 codec: %d\n",
1506                        ret);
1507        }
1508        return ret;
1509}
1510
1511static int da9055_remove(struct i2c_client *client)
1512{
1513        snd_soc_unregister_codec(&client->dev);
1514        return 0;
1515}
1516
1517/*
1518 * DO NOT change the device Ids. The naming is intentionally specific as both
1519 * the CODEC and PMIC parts of this chip are instantiated separately as I2C
1520 * devices (both have configurable I2C addresses, and are to all intents and
1521 * purposes separate). As a result there are specific DA9055 Ids for CODEC
1522 * and PMIC, which must be different to operate together.
1523 */
1524static const struct i2c_device_id da9055_i2c_id[] = {
1525        { "da9055-codec", 0 },
1526        { }
1527};
1528MODULE_DEVICE_TABLE(i2c, da9055_i2c_id);
1529
1530static const struct of_device_id da9055_of_match[] = {
1531        { .compatible = "dlg,da9055-codec", },
1532        { }
1533};
1534MODULE_DEVICE_TABLE(of, da9055_of_match);
1535
1536/* I2C codec control layer */
1537static struct i2c_driver da9055_i2c_driver = {
1538        .driver = {
1539                .name = "da9055-codec",
1540                .of_match_table = of_match_ptr(da9055_of_match),
1541        },
1542        .probe          = da9055_i2c_probe,
1543        .remove         = da9055_remove,
1544        .id_table       = da9055_i2c_id,
1545};
1546
1547module_i2c_driver(da9055_i2c_driver);
1548
1549MODULE_DESCRIPTION("ASoC DA9055 Codec driver");
1550MODULE_AUTHOR("David Chen, Ashish Chavan");
1551MODULE_LICENSE("GPL");
1552