linux/sound/soc/codecs/tlv320aic31xx.c
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   1/*
   2 * ALSA SoC TLV320AIC31XX codec driver
   3 *
   4 * Copyright (C) 2014 Texas Instruments, Inc.
   5 *
   6 * Author: Jyri Sarha <jsarha@ti.com>
   7 *
   8 * Based on ground work by: Ajit Kulkarni <x0175765@ti.com>
   9 *
  10 * This package is free software; you can redistribute it and/or modify
  11 * it under the terms of the GNU General Public License version 2 as
  12 * published by the Free Software Foundation.
  13 *
  14 * THIS PACKAGE IS PROVIDED AS IS AND WITHOUT ANY EXPRESS OR
  15 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
  16 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  17 *
  18 * The TLV320AIC31xx series of audio codec is a low-power, highly integrated
  19 * high performance codec which provides a stereo DAC, a mono ADC,
  20 * and mono/stereo Class-D speaker driver.
  21 */
  22
  23#include <linux/module.h>
  24#include <linux/moduleparam.h>
  25#include <linux/init.h>
  26#include <linux/delay.h>
  27#include <linux/pm.h>
  28#include <linux/i2c.h>
  29#include <linux/gpio.h>
  30#include <linux/regulator/consumer.h>
  31#include <linux/acpi.h>
  32#include <linux/of.h>
  33#include <linux/of_gpio.h>
  34#include <linux/slab.h>
  35#include <sound/core.h>
  36#include <sound/pcm.h>
  37#include <sound/pcm_params.h>
  38#include <sound/soc.h>
  39#include <sound/initval.h>
  40#include <sound/tlv.h>
  41#include <dt-bindings/sound/tlv320aic31xx-micbias.h>
  42
  43#include "tlv320aic31xx.h"
  44
  45static const struct reg_default aic31xx_reg_defaults[] = {
  46        { AIC31XX_CLKMUX, 0x00 },
  47        { AIC31XX_PLLPR, 0x11 },
  48        { AIC31XX_PLLJ, 0x04 },
  49        { AIC31XX_PLLDMSB, 0x00 },
  50        { AIC31XX_PLLDLSB, 0x00 },
  51        { AIC31XX_NDAC, 0x01 },
  52        { AIC31XX_MDAC, 0x01 },
  53        { AIC31XX_DOSRMSB, 0x00 },
  54        { AIC31XX_DOSRLSB, 0x80 },
  55        { AIC31XX_NADC, 0x01 },
  56        { AIC31XX_MADC, 0x01 },
  57        { AIC31XX_AOSR, 0x80 },
  58        { AIC31XX_IFACE1, 0x00 },
  59        { AIC31XX_DATA_OFFSET, 0x00 },
  60        { AIC31XX_IFACE2, 0x00 },
  61        { AIC31XX_BCLKN, 0x01 },
  62        { AIC31XX_DACSETUP, 0x14 },
  63        { AIC31XX_DACMUTE, 0x0c },
  64        { AIC31XX_LDACVOL, 0x00 },
  65        { AIC31XX_RDACVOL, 0x00 },
  66        { AIC31XX_ADCSETUP, 0x00 },
  67        { AIC31XX_ADCFGA, 0x80 },
  68        { AIC31XX_ADCVOL, 0x00 },
  69        { AIC31XX_HPDRIVER, 0x04 },
  70        { AIC31XX_SPKAMP, 0x06 },
  71        { AIC31XX_DACMIXERROUTE, 0x00 },
  72        { AIC31XX_LANALOGHPL, 0x7f },
  73        { AIC31XX_RANALOGHPR, 0x7f },
  74        { AIC31XX_LANALOGSPL, 0x7f },
  75        { AIC31XX_RANALOGSPR, 0x7f },
  76        { AIC31XX_HPLGAIN, 0x02 },
  77        { AIC31XX_HPRGAIN, 0x02 },
  78        { AIC31XX_SPLGAIN, 0x00 },
  79        { AIC31XX_SPRGAIN, 0x00 },
  80        { AIC31XX_MICBIAS, 0x00 },
  81        { AIC31XX_MICPGA, 0x80 },
  82        { AIC31XX_MICPGAPI, 0x00 },
  83        { AIC31XX_MICPGAMI, 0x00 },
  84};
  85
  86static bool aic31xx_volatile(struct device *dev, unsigned int reg)
  87{
  88        switch (reg) {
  89        case AIC31XX_PAGECTL: /* regmap implementation requires this */
  90        case AIC31XX_RESET: /* always clears after write */
  91        case AIC31XX_OT_FLAG:
  92        case AIC31XX_ADCFLAG:
  93        case AIC31XX_DACFLAG1:
  94        case AIC31XX_DACFLAG2:
  95        case AIC31XX_OFFLAG: /* Sticky interrupt flags */
  96        case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
  97        case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
  98        case AIC31XX_INTRDACFLAG2:
  99        case AIC31XX_INTRADCFLAG2:
 100                return true;
 101        }
 102        return false;
 103}
 104
 105static bool aic31xx_writeable(struct device *dev, unsigned int reg)
 106{
 107        switch (reg) {
 108        case AIC31XX_OT_FLAG:
 109        case AIC31XX_ADCFLAG:
 110        case AIC31XX_DACFLAG1:
 111        case AIC31XX_DACFLAG2:
 112        case AIC31XX_OFFLAG: /* Sticky interrupt flags */
 113        case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
 114        case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
 115        case AIC31XX_INTRDACFLAG2:
 116        case AIC31XX_INTRADCFLAG2:
 117                return false;
 118        }
 119        return true;
 120}
 121
 122static const struct regmap_range_cfg aic31xx_ranges[] = {
 123        {
 124                .range_min = 0,
 125                .range_max = 12 * 128,
 126                .selector_reg = AIC31XX_PAGECTL,
 127                .selector_mask = 0xff,
 128                .selector_shift = 0,
 129                .window_start = 0,
 130                .window_len = 128,
 131        },
 132};
 133
 134static const struct regmap_config aic31xx_i2c_regmap = {
 135        .reg_bits = 8,
 136        .val_bits = 8,
 137        .writeable_reg = aic31xx_writeable,
 138        .volatile_reg = aic31xx_volatile,
 139        .reg_defaults = aic31xx_reg_defaults,
 140        .num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults),
 141        .cache_type = REGCACHE_RBTREE,
 142        .ranges = aic31xx_ranges,
 143        .num_ranges = ARRAY_SIZE(aic31xx_ranges),
 144        .max_register = 12 * 128,
 145};
 146
 147#define AIC31XX_NUM_SUPPLIES    6
 148static const char * const aic31xx_supply_names[AIC31XX_NUM_SUPPLIES] = {
 149        "HPVDD",
 150        "SPRVDD",
 151        "SPLVDD",
 152        "AVDD",
 153        "IOVDD",
 154        "DVDD",
 155};
 156
 157struct aic31xx_disable_nb {
 158        struct notifier_block nb;
 159        struct aic31xx_priv *aic31xx;
 160};
 161
 162struct aic31xx_priv {
 163        struct snd_soc_codec *codec;
 164        u8 i2c_regs_status;
 165        struct device *dev;
 166        struct regmap *regmap;
 167        struct aic31xx_pdata pdata;
 168        struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
 169        struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
 170        unsigned int sysclk;
 171        u8 p_div;
 172        int rate_div_line;
 173};
 174
 175struct aic31xx_rate_divs {
 176        u32 mclk_p;
 177        u32 rate;
 178        u8 pll_j;
 179        u16 pll_d;
 180        u16 dosr;
 181        u8 ndac;
 182        u8 mdac;
 183        u8 aosr;
 184        u8 nadc;
 185        u8 madc;
 186};
 187
 188/* ADC dividers can be disabled by cofiguring them to 0 */
 189static const struct aic31xx_rate_divs aic31xx_divs[] = {
 190        /* mclk/p    rate  pll: j     d        dosr ndac mdac  aors nadc madc */
 191        /* 8k rate */
 192        {12000000,   8000,      8, 1920,        128,  48,  2,   128,  48,  2},
 193        {12000000,   8000,      8, 1920,        128,  32,  3,   128,  32,  3},
 194        {12500000,   8000,      7, 8643,        128,  48,  2,   128,  48,  2},
 195        /* 11.025k rate */
 196        {12000000,  11025,      7, 5264,        128,  32,  2,   128,  32,  2},
 197        {12000000,  11025,      8, 4672,        128,  24,  3,   128,  24,  3},
 198        {12500000,  11025,      7, 2253,        128,  32,  2,   128,  32,  2},
 199        /* 16k rate */
 200        {12000000,  16000,      8, 1920,        128,  24,  2,   128,  24,  2},
 201        {12000000,  16000,      8, 1920,        128,  16,  3,   128,  16,  3},
 202        {12500000,  16000,      7, 8643,        128,  24,  2,   128,  24,  2},
 203        /* 22.05k rate */
 204        {12000000,  22050,      7, 5264,        128,  16,  2,   128,  16,  2},
 205        {12000000,  22050,      8, 4672,        128,  12,  3,   128,  12,  3},
 206        {12500000,  22050,      7, 2253,        128,  16,  2,   128,  16,  2},
 207        /* 32k rate */
 208        {12000000,  32000,      8, 1920,        128,  12,  2,   128,  12,  2},
 209        {12000000,  32000,      8, 1920,        128,   8,  3,   128,   8,  3},
 210        {12500000,  32000,      7, 8643,        128,  12,  2,   128,  12,  2},
 211        /* 44.1k rate */
 212        {12000000,  44100,      7, 5264,        128,   8,  2,   128,   8,  2},
 213        {12000000,  44100,      8, 4672,        128,   6,  3,   128,   6,  3},
 214        {12500000,  44100,      7, 2253,        128,   8,  2,   128,   8,  2},
 215        /* 48k rate */
 216        {12000000,  48000,      8, 1920,        128,   8,  2,   128,   8,  2},
 217        {12000000,  48000,      7, 6800,         96,   5,  4,    96,   5,  4},
 218        {12500000,  48000,      7, 8643,        128,   8,  2,   128,   8,  2},
 219        /* 88.2k rate */
 220        {12000000,  88200,      7, 5264,         64,   8,  2,    64,   8,  2},
 221        {12000000,  88200,      8, 4672,         64,   6,  3,    64,   6,  3},
 222        {12500000,  88200,      7, 2253,         64,   8,  2,    64,   8,  2},
 223        /* 96k rate */
 224        {12000000,  96000,      8, 1920,         64,   8,  2,    64,   8,  2},
 225        {12000000,  96000,      7, 6800,         48,   5,  4,    48,   5,  4},
 226        {12500000,  96000,      7, 8643,         64,   8,  2,    64,   8,  2},
 227        /* 176.4k rate */
 228        {12000000, 176400,      7, 5264,         32,   8,  2,    32,   8,  2},
 229        {12000000, 176400,      8, 4672,         32,   6,  3,    32,   6,  3},
 230        {12500000, 176400,      7, 2253,         32,   8,  2,    32,   8,  2},
 231        /* 192k rate */
 232        {12000000, 192000,      8, 1920,         32,   8,  2,    32,   8,  2},
 233        {12000000, 192000,      7, 6800,         24,   5,  4,    24,   5,  4},
 234        {12500000, 192000,      7, 8643,         32,   8,  2,    32,   8,  2},
 235};
 236
 237static const char * const ldac_in_text[] = {
 238        "Off", "Left Data", "Right Data", "Mono"
 239};
 240
 241static const char * const rdac_in_text[] = {
 242        "Off", "Right Data", "Left Data", "Mono"
 243};
 244
 245static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
 246
 247static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
 248
 249static const char * const mic_select_text[] = {
 250        "Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
 251};
 252
 253static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
 254        mic_select_text);
 255static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
 256        mic_select_text);
 257static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
 258        mic_select_text);
 259
 260static SOC_ENUM_SINGLE_DECL(cm_m_enum, AIC31XX_MICPGAMI, 6, mic_select_text);
 261static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
 262        mic_select_text);
 263
 264static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
 265static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
 266static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
 267static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
 268static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
 269static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
 270static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
 271static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
 272
 273/*
 274 * controls to be exported to the user space
 275 */
 276static const struct snd_kcontrol_new common31xx_snd_controls[] = {
 277        SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
 278                           AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),
 279
 280        SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
 281                     AIC31XX_HPRGAIN, 2, 1, 0),
 282        SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
 283                         AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
 284
 285        SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
 286                         AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
 287};
 288
 289static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
 290        SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
 291                       adc_fgain_tlv),
 292
 293        SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
 294        SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
 295                           0, -24, 40, 6, 0, adc_cgain_tlv),
 296
 297        SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
 298                       119, 0, mic_pga_tlv),
 299};
 300
 301static const struct snd_kcontrol_new aic311x_snd_controls[] = {
 302        SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
 303                     AIC31XX_SPRGAIN, 2, 1, 0),
 304        SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
 305                         AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),
 306
 307        SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
 308                         AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
 309};
 310
 311static const struct snd_kcontrol_new aic310x_snd_controls[] = {
 312        SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
 313                   2, 1, 0),
 314        SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
 315                       3, 3, 0, class_D_drv_tlv),
 316
 317        SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
 318                       0, 0x7F, 1, sp_vol_tlv),
 319};
 320
 321static const struct snd_kcontrol_new ldac_in_control =
 322        SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
 323
 324static const struct snd_kcontrol_new rdac_in_control =
 325        SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
 326
 327static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
 328                             unsigned int mask, unsigned int wbits, int sleep,
 329                             int count)
 330{
 331        unsigned int bits;
 332        int counter = count;
 333        int ret = regmap_read(aic31xx->regmap, reg, &bits);
 334
 335        while ((bits & mask) != wbits && counter && !ret) {
 336                usleep_range(sleep, sleep * 2);
 337                ret = regmap_read(aic31xx->regmap, reg, &bits);
 338                counter--;
 339        }
 340        if ((bits & mask) != wbits) {
 341                dev_err(aic31xx->dev,
 342                        "%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
 343                        __func__, reg, bits, wbits, ret, mask,
 344                        (count - counter) * sleep);
 345                ret = -1;
 346        }
 347        return ret;
 348}
 349
 350#define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))
 351
 352static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
 353                                    struct snd_kcontrol *kcontrol, int event)
 354{
 355        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 356        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
 357        unsigned int reg = AIC31XX_DACFLAG1;
 358        unsigned int mask;
 359
 360        switch (WIDGET_BIT(w->reg, w->shift)) {
 361        case WIDGET_BIT(AIC31XX_DACSETUP, 7):
 362                mask = AIC31XX_LDACPWRSTATUS_MASK;
 363                break;
 364        case WIDGET_BIT(AIC31XX_DACSETUP, 6):
 365                mask = AIC31XX_RDACPWRSTATUS_MASK;
 366                break;
 367        case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
 368                mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
 369                break;
 370        case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
 371                mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
 372                break;
 373        case WIDGET_BIT(AIC31XX_SPKAMP, 7):
 374                mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
 375                break;
 376        case WIDGET_BIT(AIC31XX_SPKAMP, 6):
 377                mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
 378                break;
 379        case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
 380                mask = AIC31XX_ADCPWRSTATUS_MASK;
 381                reg = AIC31XX_ADCFLAG;
 382                break;
 383        default:
 384                dev_err(codec->dev, "Unknown widget '%s' calling %s\n",
 385                        w->name, __func__);
 386                return -EINVAL;
 387        }
 388
 389        switch (event) {
 390        case SND_SOC_DAPM_POST_PMU:
 391                return aic31xx_wait_bits(aic31xx, reg, mask, mask, 5000, 100);
 392        case SND_SOC_DAPM_POST_PMD:
 393                return aic31xx_wait_bits(aic31xx, reg, mask, 0, 5000, 100);
 394        default:
 395                dev_dbg(codec->dev,
 396                        "Unhandled dapm widget event %d from %s\n",
 397                        event, w->name);
 398        }
 399        return 0;
 400}
 401
 402static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
 403        SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
 404        SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
 405        SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
 406};
 407
 408static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
 409        SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
 410        SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
 411};
 412
 413static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
 414        SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
 415        SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
 416        SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
 417};
 418
 419static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
 420        SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
 421        SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
 422};
 423
 424static const struct snd_kcontrol_new p_term_mic1lp =
 425        SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
 426
 427static const struct snd_kcontrol_new p_term_mic1rp =
 428        SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
 429
 430static const struct snd_kcontrol_new p_term_mic1lm =
 431        SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
 432
 433static const struct snd_kcontrol_new m_term_mic1lm =
 434        SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
 435
 436static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
 437        SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
 438
 439static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
 440        SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
 441
 442static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
 443        SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
 444
 445static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
 446        SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
 447
 448static int mic_bias_event(struct snd_soc_dapm_widget *w,
 449                          struct snd_kcontrol *kcontrol, int event)
 450{
 451        struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
 452        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
 453
 454        switch (event) {
 455        case SND_SOC_DAPM_POST_PMU:
 456                /* change mic bias voltage to user defined */
 457                snd_soc_update_bits(codec, AIC31XX_MICBIAS,
 458                                    AIC31XX_MICBIAS_MASK,
 459                                    aic31xx->pdata.micbias_vg <<
 460                                    AIC31XX_MICBIAS_SHIFT);
 461                dev_dbg(codec->dev, "%s: turned on\n", __func__);
 462                break;
 463        case SND_SOC_DAPM_PRE_PMD:
 464                /* turn mic bias off */
 465                snd_soc_update_bits(codec, AIC31XX_MICBIAS,
 466                                    AIC31XX_MICBIAS_MASK, 0);
 467                dev_dbg(codec->dev, "%s: turned off\n", __func__);
 468                break;
 469        }
 470        return 0;
 471}
 472
 473static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
 474        SND_SOC_DAPM_AIF_IN("DAC IN", "DAC Playback", 0, SND_SOC_NOPM, 0, 0),
 475
 476        SND_SOC_DAPM_MUX("DAC Left Input",
 477                         SND_SOC_NOPM, 0, 0, &ldac_in_control),
 478        SND_SOC_DAPM_MUX("DAC Right Input",
 479                         SND_SOC_NOPM, 0, 0, &rdac_in_control),
 480        /* DACs */
 481        SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
 482                           AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
 483                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 484
 485        SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
 486                           AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
 487                           SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 488
 489        /* HP */
 490        SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
 491                            &aic31xx_dapm_hpl_switch),
 492        SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
 493                            &aic31xx_dapm_hpr_switch),
 494
 495        /* Output drivers */
 496        SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
 497                               NULL, 0, aic31xx_dapm_power_event,
 498                               SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
 499        SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
 500                               NULL, 0, aic31xx_dapm_power_event,
 501                               SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
 502
 503        /* Mic Bias */
 504        SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
 505                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 506
 507        /* Outputs */
 508        SND_SOC_DAPM_OUTPUT("HPL"),
 509        SND_SOC_DAPM_OUTPUT("HPR"),
 510};
 511
 512static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
 513        /* Inputs */
 514        SND_SOC_DAPM_INPUT("AIN1"),
 515        SND_SOC_DAPM_INPUT("AIN2"),
 516
 517        /* Output Mixers */
 518        SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
 519                           dac31xx_left_output_switches,
 520                           ARRAY_SIZE(dac31xx_left_output_switches)),
 521        SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
 522                           dac31xx_right_output_switches,
 523                           ARRAY_SIZE(dac31xx_right_output_switches)),
 524};
 525
 526static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
 527        /* Inputs */
 528        SND_SOC_DAPM_INPUT("MIC1LP"),
 529        SND_SOC_DAPM_INPUT("MIC1RP"),
 530        SND_SOC_DAPM_INPUT("MIC1LM"),
 531
 532        /* Input Selection to MIC_PGA */
 533        SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
 534                         &p_term_mic1lp),
 535        SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
 536                         &p_term_mic1rp),
 537        SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
 538                         &p_term_mic1lm),
 539
 540        /* ADC */
 541        SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
 542                           aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 543                           SND_SOC_DAPM_POST_PMD),
 544
 545        SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
 546                         &m_term_mic1lm),
 547
 548        /* Enabling & Disabling MIC Gain Ctl */
 549        SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
 550                         7, 1, NULL, 0),
 551
 552        /* Output Mixers */
 553        SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
 554                           aic31xx_left_output_switches,
 555                           ARRAY_SIZE(aic31xx_left_output_switches)),
 556        SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
 557                           aic31xx_right_output_switches,
 558                           ARRAY_SIZE(aic31xx_right_output_switches)),
 559};
 560
 561static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
 562        /* AIC3111 and AIC3110 have stereo class-D amplifier */
 563        SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
 564                               aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 565                               SND_SOC_DAPM_POST_PMD),
 566        SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
 567                               aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 568                               SND_SOC_DAPM_POST_PMD),
 569        SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
 570                            &aic31xx_dapm_spl_switch),
 571        SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
 572                            &aic31xx_dapm_spr_switch),
 573        SND_SOC_DAPM_OUTPUT("SPL"),
 574        SND_SOC_DAPM_OUTPUT("SPR"),
 575};
 576
 577/* AIC3100 and AIC3120 have only mono class-D amplifier */
 578static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
 579        SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
 580                               aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 581                               SND_SOC_DAPM_POST_PMD),
 582        SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
 583                            &aic31xx_dapm_spl_switch),
 584        SND_SOC_DAPM_OUTPUT("SPK"),
 585};
 586
 587static const struct snd_soc_dapm_route
 588common31xx_audio_map[] = {
 589        /* DAC Input Routing */
 590        {"DAC Left Input", "Left Data", "DAC IN"},
 591        {"DAC Left Input", "Right Data", "DAC IN"},
 592        {"DAC Left Input", "Mono", "DAC IN"},
 593        {"DAC Right Input", "Left Data", "DAC IN"},
 594        {"DAC Right Input", "Right Data", "DAC IN"},
 595        {"DAC Right Input", "Mono", "DAC IN"},
 596        {"DAC Left", NULL, "DAC Left Input"},
 597        {"DAC Right", NULL, "DAC Right Input"},
 598
 599        /* HPL path */
 600        {"HP Left", "Switch", "Output Left"},
 601        {"HPL Driver", NULL, "HP Left"},
 602        {"HPL", NULL, "HPL Driver"},
 603
 604        /* HPR path */
 605        {"HP Right", "Switch", "Output Right"},
 606        {"HPR Driver", NULL, "HP Right"},
 607        {"HPR", NULL, "HPR Driver"},
 608};
 609
 610static const struct snd_soc_dapm_route
 611dac31xx_audio_map[] = {
 612        /* Left Output */
 613        {"Output Left", "From Left DAC", "DAC Left"},
 614        {"Output Left", "From AIN1", "AIN1"},
 615        {"Output Left", "From AIN2", "AIN2"},
 616
 617        /* Right Output */
 618        {"Output Right", "From Right DAC", "DAC Right"},
 619        {"Output Right", "From AIN2", "AIN2"},
 620};
 621
 622static const struct snd_soc_dapm_route
 623aic31xx_audio_map[] = {
 624        /* Mic input */
 625        {"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
 626        {"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
 627        {"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
 628        {"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
 629        {"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
 630        {"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
 631        {"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
 632        {"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
 633        {"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
 634
 635        {"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
 636        {"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
 637        {"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
 638
 639        {"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
 640        {"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
 641        {"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
 642        {"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
 643
 644        {"ADC", NULL, "MIC_GAIN_CTL"},
 645
 646        /* Left Output */
 647        {"Output Left", "From Left DAC", "DAC Left"},
 648        {"Output Left", "From MIC1LP", "MIC1LP"},
 649        {"Output Left", "From MIC1RP", "MIC1RP"},
 650
 651        /* Right Output */
 652        {"Output Right", "From Right DAC", "DAC Right"},
 653        {"Output Right", "From MIC1RP", "MIC1RP"},
 654};
 655
 656static const struct snd_soc_dapm_route
 657aic311x_audio_map[] = {
 658        /* SP L path */
 659        {"Speaker Left", "Switch", "Output Left"},
 660        {"SPL ClassD", NULL, "Speaker Left"},
 661        {"SPL", NULL, "SPL ClassD"},
 662
 663        /* SP R path */
 664        {"Speaker Right", "Switch", "Output Right"},
 665        {"SPR ClassD", NULL, "Speaker Right"},
 666        {"SPR", NULL, "SPR ClassD"},
 667};
 668
 669static const struct snd_soc_dapm_route
 670aic310x_audio_map[] = {
 671        /* SP L path */
 672        {"Speaker", "Switch", "Output Left"},
 673        {"SPK ClassD", NULL, "Speaker"},
 674        {"SPK", NULL, "SPK ClassD"},
 675};
 676
 677static int aic31xx_add_controls(struct snd_soc_codec *codec)
 678{
 679        int ret = 0;
 680        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
 681
 682        if (!(aic31xx->pdata.codec_type & DAC31XX_BIT))
 683                ret = snd_soc_add_codec_controls(
 684                        codec, aic31xx_snd_controls,
 685                        ARRAY_SIZE(aic31xx_snd_controls));
 686        if (ret)
 687                return ret;
 688
 689        if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT)
 690                ret = snd_soc_add_codec_controls(
 691                        codec, aic311x_snd_controls,
 692                        ARRAY_SIZE(aic311x_snd_controls));
 693        else
 694                ret = snd_soc_add_codec_controls(
 695                        codec, aic310x_snd_controls,
 696                        ARRAY_SIZE(aic310x_snd_controls));
 697
 698        return ret;
 699}
 700
 701static int aic31xx_add_widgets(struct snd_soc_codec *codec)
 702{
 703        struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
 704        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
 705        int ret = 0;
 706
 707        if (aic31xx->pdata.codec_type & DAC31XX_BIT) {
 708                ret = snd_soc_dapm_new_controls(
 709                        dapm, dac31xx_dapm_widgets,
 710                        ARRAY_SIZE(dac31xx_dapm_widgets));
 711                if (ret)
 712                        return ret;
 713
 714                ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
 715                                              ARRAY_SIZE(dac31xx_audio_map));
 716                if (ret)
 717                        return ret;
 718        } else {
 719                ret = snd_soc_dapm_new_controls(
 720                        dapm, aic31xx_dapm_widgets,
 721                        ARRAY_SIZE(aic31xx_dapm_widgets));
 722                if (ret)
 723                        return ret;
 724
 725                ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
 726                                              ARRAY_SIZE(aic31xx_audio_map));
 727                if (ret)
 728                        return ret;
 729        }
 730
 731        if (aic31xx->pdata.codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
 732                ret = snd_soc_dapm_new_controls(
 733                        dapm, aic311x_dapm_widgets,
 734                        ARRAY_SIZE(aic311x_dapm_widgets));
 735                if (ret)
 736                        return ret;
 737
 738                ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
 739                                              ARRAY_SIZE(aic311x_audio_map));
 740                if (ret)
 741                        return ret;
 742        } else {
 743                ret = snd_soc_dapm_new_controls(
 744                        dapm, aic310x_dapm_widgets,
 745                        ARRAY_SIZE(aic310x_dapm_widgets));
 746                if (ret)
 747                        return ret;
 748
 749                ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
 750                                              ARRAY_SIZE(aic310x_audio_map));
 751                if (ret)
 752                        return ret;
 753        }
 754
 755        return 0;
 756}
 757
 758static int aic31xx_setup_pll(struct snd_soc_codec *codec,
 759                             struct snd_pcm_hw_params *params)
 760{
 761        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
 762        int bclk_score = snd_soc_params_to_frame_size(params);
 763        int mclk_p = aic31xx->sysclk / aic31xx->p_div;
 764        int bclk_n = 0;
 765        int match = -1;
 766        int i;
 767
 768        /* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
 769        snd_soc_update_bits(codec, AIC31XX_CLKMUX,
 770                            AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
 771        snd_soc_update_bits(codec, AIC31XX_IFACE2,
 772                            AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
 773
 774        for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
 775                if (aic31xx_divs[i].rate == params_rate(params) &&
 776                    aic31xx_divs[i].mclk_p == mclk_p) {
 777                        int s = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
 778                                snd_soc_params_to_frame_size(params);
 779                        int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
 780                                snd_soc_params_to_frame_size(params);
 781                        if (s < bclk_score && bn > 0) {
 782                                match = i;
 783                                bclk_n = bn;
 784                                bclk_score = s;
 785                        }
 786                }
 787        }
 788
 789        if (match == -1) {
 790                dev_err(codec->dev,
 791                        "%s: Sample rate (%u) and format not supported\n",
 792                        __func__, params_rate(params));
 793                /* See bellow for details how fix this. */
 794                return -EINVAL;
 795        }
 796        if (bclk_score != 0) {
 797                dev_warn(codec->dev, "Can not produce exact bitclock");
 798                /* This is fine if using dsp format, but if using i2s
 799                   there may be trouble. To fix the issue edit the
 800                   aic31xx_divs table for your mclk and sample
 801                   rate. Details can be found from:
 802                   http://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
 803                   Section: 5.6 CLOCK Generation and PLL
 804                */
 805        }
 806        i = match;
 807
 808        /* PLL configuration */
 809        snd_soc_update_bits(codec, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
 810                            (aic31xx->p_div << 4) | 0x01);
 811        snd_soc_write(codec, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
 812
 813        snd_soc_write(codec, AIC31XX_PLLDMSB,
 814                      aic31xx_divs[i].pll_d >> 8);
 815        snd_soc_write(codec, AIC31XX_PLLDLSB,
 816                      aic31xx_divs[i].pll_d & 0xff);
 817
 818        /* DAC dividers configuration */
 819        snd_soc_update_bits(codec, AIC31XX_NDAC, AIC31XX_PLL_MASK,
 820                            aic31xx_divs[i].ndac);
 821        snd_soc_update_bits(codec, AIC31XX_MDAC, AIC31XX_PLL_MASK,
 822                            aic31xx_divs[i].mdac);
 823
 824        snd_soc_write(codec, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
 825        snd_soc_write(codec, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
 826
 827        /* ADC dividers configuration. Write reset value 1 if not used. */
 828        snd_soc_update_bits(codec, AIC31XX_NADC, AIC31XX_PLL_MASK,
 829                            aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
 830        snd_soc_update_bits(codec, AIC31XX_MADC, AIC31XX_PLL_MASK,
 831                            aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
 832
 833        snd_soc_write(codec, AIC31XX_AOSR, aic31xx_divs[i].aosr);
 834
 835        /* Bit clock divider configuration. */
 836        snd_soc_update_bits(codec, AIC31XX_BCLKN,
 837                            AIC31XX_PLL_MASK, bclk_n);
 838
 839        aic31xx->rate_div_line = i;
 840
 841        dev_dbg(codec->dev,
 842                "pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
 843                aic31xx_divs[i].pll_j, aic31xx_divs[i].pll_d,
 844                aic31xx->p_div, aic31xx_divs[i].dosr,
 845                aic31xx_divs[i].ndac, aic31xx_divs[i].mdac,
 846                aic31xx_divs[i].aosr, aic31xx_divs[i].nadc,
 847                aic31xx_divs[i].madc, bclk_n);
 848
 849        return 0;
 850}
 851
 852static int aic31xx_hw_params(struct snd_pcm_substream *substream,
 853                             struct snd_pcm_hw_params *params,
 854                             struct snd_soc_dai *dai)
 855{
 856        struct snd_soc_codec *codec = dai->codec;
 857        u8 data = 0;
 858
 859        dev_dbg(codec->dev, "## %s: width %d rate %d\n",
 860                __func__, params_width(params),
 861                params_rate(params));
 862
 863        switch (params_width(params)) {
 864        case 16:
 865                break;
 866        case 20:
 867                data = (AIC31XX_WORD_LEN_20BITS <<
 868                        AIC31XX_IFACE1_DATALEN_SHIFT);
 869                break;
 870        case 24:
 871                data = (AIC31XX_WORD_LEN_24BITS <<
 872                        AIC31XX_IFACE1_DATALEN_SHIFT);
 873                break;
 874        case 32:
 875                data = (AIC31XX_WORD_LEN_32BITS <<
 876                        AIC31XX_IFACE1_DATALEN_SHIFT);
 877                break;
 878        default:
 879                dev_err(codec->dev, "%s: Unsupported width %d\n",
 880                        __func__, params_width(params));
 881                return -EINVAL;
 882        }
 883
 884        snd_soc_update_bits(codec, AIC31XX_IFACE1,
 885                            AIC31XX_IFACE1_DATALEN_MASK,
 886                            data);
 887
 888        return aic31xx_setup_pll(codec, params);
 889}
 890
 891static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute)
 892{
 893        struct snd_soc_codec *codec = codec_dai->codec;
 894
 895        if (mute) {
 896                snd_soc_update_bits(codec, AIC31XX_DACMUTE,
 897                                    AIC31XX_DACMUTE_MASK,
 898                                    AIC31XX_DACMUTE_MASK);
 899        } else {
 900                snd_soc_update_bits(codec, AIC31XX_DACMUTE,
 901                                    AIC31XX_DACMUTE_MASK, 0x0);
 902        }
 903
 904        return 0;
 905}
 906
 907static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
 908                               unsigned int fmt)
 909{
 910        struct snd_soc_codec *codec = codec_dai->codec;
 911        u8 iface_reg1 = 0;
 912        u8 iface_reg2 = 0;
 913        u8 dsp_a_val = 0;
 914
 915        dev_dbg(codec->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
 916
 917        /* set master/slave audio interface */
 918        switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
 919        case SND_SOC_DAIFMT_CBM_CFM:
 920                iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
 921                break;
 922        default:
 923                dev_alert(codec->dev, "Invalid DAI master/slave interface\n");
 924                return -EINVAL;
 925        }
 926
 927        /* interface format */
 928        switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 929        case SND_SOC_DAIFMT_I2S:
 930                break;
 931        case SND_SOC_DAIFMT_DSP_A:
 932                dsp_a_val = 0x1;
 933        case SND_SOC_DAIFMT_DSP_B:
 934                /* NOTE: BCLKINV bit value 1 equas NB and 0 equals IB */
 935                switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 936                case SND_SOC_DAIFMT_NB_NF:
 937                        iface_reg2 |= AIC31XX_BCLKINV_MASK;
 938                        break;
 939                case SND_SOC_DAIFMT_IB_NF:
 940                        break;
 941                default:
 942                        return -EINVAL;
 943                }
 944                iface_reg1 |= (AIC31XX_DSP_MODE <<
 945                               AIC31XX_IFACE1_DATATYPE_SHIFT);
 946                break;
 947        case SND_SOC_DAIFMT_RIGHT_J:
 948                iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
 949                               AIC31XX_IFACE1_DATATYPE_SHIFT);
 950                break;
 951        case SND_SOC_DAIFMT_LEFT_J:
 952                iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
 953                               AIC31XX_IFACE1_DATATYPE_SHIFT);
 954                break;
 955        default:
 956                dev_err(codec->dev, "Invalid DAI interface format\n");
 957                return -EINVAL;
 958        }
 959
 960        snd_soc_update_bits(codec, AIC31XX_IFACE1,
 961                            AIC31XX_IFACE1_DATATYPE_MASK |
 962                            AIC31XX_IFACE1_MASTER_MASK,
 963                            iface_reg1);
 964        snd_soc_update_bits(codec, AIC31XX_DATA_OFFSET,
 965                            AIC31XX_DATA_OFFSET_MASK,
 966                            dsp_a_val);
 967        snd_soc_update_bits(codec, AIC31XX_IFACE2,
 968                            AIC31XX_BCLKINV_MASK,
 969                            iface_reg2);
 970
 971        return 0;
 972}
 973
 974static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
 975                                  int clk_id, unsigned int freq, int dir)
 976{
 977        struct snd_soc_codec *codec = codec_dai->codec;
 978        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
 979        int i;
 980
 981        dev_dbg(codec->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
 982                __func__, clk_id, freq, dir);
 983
 984        for (i = 1; freq/i > 20000000 && i < 8; i++)
 985                ;
 986        if (freq/i > 20000000) {
 987                dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
 988                        __func__, freq);
 989                        return -EINVAL;
 990        }
 991        aic31xx->p_div = i;
 992
 993        for (i = 0; i < ARRAY_SIZE(aic31xx_divs) &&
 994                     aic31xx_divs[i].mclk_p != freq/aic31xx->p_div; i++)
 995                ;
 996        if (i == ARRAY_SIZE(aic31xx_divs)) {
 997                dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
 998                        __func__, freq);
 999                return -EINVAL;
1000        }
1001
1002        /* set clock on MCLK, BCLK, or GPIO1 as PLL input */
1003        snd_soc_update_bits(codec, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
1004                            clk_id << AIC31XX_PLL_CLKIN_SHIFT);
1005
1006        aic31xx->sysclk = freq;
1007        return 0;
1008}
1009
1010static int aic31xx_regulator_event(struct notifier_block *nb,
1011                                   unsigned long event, void *data)
1012{
1013        struct aic31xx_disable_nb *disable_nb =
1014                container_of(nb, struct aic31xx_disable_nb, nb);
1015        struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
1016
1017        if (event & REGULATOR_EVENT_DISABLE) {
1018                /*
1019                 * Put codec to reset and as at least one of the
1020                 * supplies was disabled.
1021                 */
1022                if (gpio_is_valid(aic31xx->pdata.gpio_reset))
1023                        gpio_set_value(aic31xx->pdata.gpio_reset, 0);
1024
1025                regcache_mark_dirty(aic31xx->regmap);
1026                dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
1027        }
1028
1029        return 0;
1030}
1031
1032static void aic31xx_clk_on(struct snd_soc_codec *codec)
1033{
1034        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1035        u8 mask = AIC31XX_PM_MASK;
1036        u8 on = AIC31XX_PM_MASK;
1037
1038        dev_dbg(codec->dev, "codec clock -> on (rate %d)\n",
1039                aic31xx_divs[aic31xx->rate_div_line].rate);
1040        snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, on);
1041        mdelay(10);
1042        snd_soc_update_bits(codec, AIC31XX_NDAC, mask, on);
1043        snd_soc_update_bits(codec, AIC31XX_MDAC, mask, on);
1044        if (aic31xx_divs[aic31xx->rate_div_line].nadc)
1045                snd_soc_update_bits(codec, AIC31XX_NADC, mask, on);
1046        if (aic31xx_divs[aic31xx->rate_div_line].madc)
1047                snd_soc_update_bits(codec, AIC31XX_MADC, mask, on);
1048        snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, on);
1049}
1050
1051static void aic31xx_clk_off(struct snd_soc_codec *codec)
1052{
1053        u8 mask = AIC31XX_PM_MASK;
1054        u8 off = 0;
1055
1056        dev_dbg(codec->dev, "codec clock -> off\n");
1057        snd_soc_update_bits(codec, AIC31XX_BCLKN, mask, off);
1058        snd_soc_update_bits(codec, AIC31XX_MADC, mask, off);
1059        snd_soc_update_bits(codec, AIC31XX_NADC, mask, off);
1060        snd_soc_update_bits(codec, AIC31XX_MDAC, mask, off);
1061        snd_soc_update_bits(codec, AIC31XX_NDAC, mask, off);
1062        snd_soc_update_bits(codec, AIC31XX_PLLPR, mask, off);
1063}
1064
1065static int aic31xx_power_on(struct snd_soc_codec *codec)
1066{
1067        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1068        int ret = 0;
1069
1070        ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
1071                                    aic31xx->supplies);
1072        if (ret)
1073                return ret;
1074
1075        if (gpio_is_valid(aic31xx->pdata.gpio_reset)) {
1076                gpio_set_value(aic31xx->pdata.gpio_reset, 1);
1077                udelay(100);
1078        }
1079        regcache_cache_only(aic31xx->regmap, false);
1080        ret = regcache_sync(aic31xx->regmap);
1081        if (ret != 0) {
1082                dev_err(codec->dev,
1083                        "Failed to restore cache: %d\n", ret);
1084                regcache_cache_only(aic31xx->regmap, true);
1085                regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1086                                       aic31xx->supplies);
1087                return ret;
1088        }
1089        return 0;
1090}
1091
1092static int aic31xx_power_off(struct snd_soc_codec *codec)
1093{
1094        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1095        int ret = 0;
1096
1097        regcache_cache_only(aic31xx->regmap, true);
1098        ret = regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1099                                     aic31xx->supplies);
1100
1101        return ret;
1102}
1103
1104static int aic31xx_set_bias_level(struct snd_soc_codec *codec,
1105                                  enum snd_soc_bias_level level)
1106{
1107        dev_dbg(codec->dev, "## %s: %d -> %d\n", __func__,
1108                snd_soc_codec_get_bias_level(codec), level);
1109
1110        switch (level) {
1111        case SND_SOC_BIAS_ON:
1112                break;
1113        case SND_SOC_BIAS_PREPARE:
1114                if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
1115                        aic31xx_clk_on(codec);
1116                break;
1117        case SND_SOC_BIAS_STANDBY:
1118                switch (snd_soc_codec_get_bias_level(codec)) {
1119                case SND_SOC_BIAS_OFF:
1120                        aic31xx_power_on(codec);
1121                        break;
1122                case SND_SOC_BIAS_PREPARE:
1123                        aic31xx_clk_off(codec);
1124                        break;
1125                default:
1126                        BUG();
1127                }
1128                break;
1129        case SND_SOC_BIAS_OFF:
1130                if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY)
1131                        aic31xx_power_off(codec);
1132                break;
1133        }
1134
1135        return 0;
1136}
1137
1138static int aic31xx_codec_probe(struct snd_soc_codec *codec)
1139{
1140        int ret = 0;
1141        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1142        int i;
1143
1144        dev_dbg(aic31xx->dev, "## %s\n", __func__);
1145
1146        aic31xx = snd_soc_codec_get_drvdata(codec);
1147
1148        aic31xx->codec = codec;
1149
1150        for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
1151                aic31xx->disable_nb[i].nb.notifier_call =
1152                        aic31xx_regulator_event;
1153                aic31xx->disable_nb[i].aic31xx = aic31xx;
1154                ret = regulator_register_notifier(aic31xx->supplies[i].consumer,
1155                                                  &aic31xx->disable_nb[i].nb);
1156                if (ret) {
1157                        dev_err(codec->dev,
1158                                "Failed to request regulator notifier: %d\n",
1159                                ret);
1160                        return ret;
1161                }
1162        }
1163
1164        regcache_cache_only(aic31xx->regmap, true);
1165        regcache_mark_dirty(aic31xx->regmap);
1166
1167        ret = aic31xx_add_controls(codec);
1168        if (ret)
1169                return ret;
1170
1171        ret = aic31xx_add_widgets(codec);
1172
1173        return ret;
1174}
1175
1176static int aic31xx_codec_remove(struct snd_soc_codec *codec)
1177{
1178        struct aic31xx_priv *aic31xx = snd_soc_codec_get_drvdata(codec);
1179        int i;
1180
1181        for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1182                regulator_unregister_notifier(aic31xx->supplies[i].consumer,
1183                                              &aic31xx->disable_nb[i].nb);
1184
1185        return 0;
1186}
1187
1188static struct snd_soc_codec_driver soc_codec_driver_aic31xx = {
1189        .probe                  = aic31xx_codec_probe,
1190        .remove                 = aic31xx_codec_remove,
1191        .set_bias_level         = aic31xx_set_bias_level,
1192        .suspend_bias_off       = true,
1193
1194        .component_driver = {
1195                .controls               = common31xx_snd_controls,
1196                .num_controls           = ARRAY_SIZE(common31xx_snd_controls),
1197                .dapm_widgets           = common31xx_dapm_widgets,
1198                .num_dapm_widgets       = ARRAY_SIZE(common31xx_dapm_widgets),
1199                .dapm_routes            = common31xx_audio_map,
1200                .num_dapm_routes        = ARRAY_SIZE(common31xx_audio_map),
1201        },
1202};
1203
1204static const struct snd_soc_dai_ops aic31xx_dai_ops = {
1205        .hw_params      = aic31xx_hw_params,
1206        .set_sysclk     = aic31xx_set_dai_sysclk,
1207        .set_fmt        = aic31xx_set_dai_fmt,
1208        .digital_mute   = aic31xx_dac_mute,
1209};
1210
1211static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
1212        {
1213                .name = "tlv32dac31xx-hifi",
1214                .playback = {
1215                        .stream_name     = "Playback",
1216                        .channels_min    = 2,
1217                        .channels_max    = 2,
1218                        .rates           = AIC31XX_RATES,
1219                        .formats         = AIC31XX_FORMATS,
1220                },
1221                .ops = &aic31xx_dai_ops,
1222                .symmetric_rates = 1,
1223        }
1224};
1225
1226static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
1227        {
1228                .name = "tlv320aic31xx-hifi",
1229                .playback = {
1230                        .stream_name     = "Playback",
1231                        .channels_min    = 2,
1232                        .channels_max    = 2,
1233                        .rates           = AIC31XX_RATES,
1234                        .formats         = AIC31XX_FORMATS,
1235                },
1236                .capture = {
1237                        .stream_name     = "Capture",
1238                        .channels_min    = 2,
1239                        .channels_max    = 2,
1240                        .rates           = AIC31XX_RATES,
1241                        .formats         = AIC31XX_FORMATS,
1242                },
1243                .ops = &aic31xx_dai_ops,
1244                .symmetric_rates = 1,
1245        }
1246};
1247
1248#if defined(CONFIG_OF)
1249static const struct of_device_id tlv320aic31xx_of_match[] = {
1250        { .compatible = "ti,tlv320aic310x" },
1251        { .compatible = "ti,tlv320aic311x" },
1252        { .compatible = "ti,tlv320aic3100" },
1253        { .compatible = "ti,tlv320aic3110" },
1254        { .compatible = "ti,tlv320aic3120" },
1255        { .compatible = "ti,tlv320aic3111" },
1256        {},
1257};
1258MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1259
1260static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx)
1261{
1262        struct device_node *np = aic31xx->dev->of_node;
1263        unsigned int value = MICBIAS_2_0V;
1264        int ret;
1265
1266        of_property_read_u32(np, "ai31xx-micbias-vg", &value);
1267        switch (value) {
1268        case MICBIAS_2_0V:
1269        case MICBIAS_2_5V:
1270        case MICBIAS_AVDDV:
1271                aic31xx->pdata.micbias_vg = value;
1272                break;
1273        default:
1274                dev_err(aic31xx->dev,
1275                        "Bad ai31xx-micbias-vg value %d DT\n",
1276                        value);
1277                aic31xx->pdata.micbias_vg = MICBIAS_2_0V;
1278        }
1279
1280        ret = of_get_named_gpio(np, "gpio-reset", 0);
1281        if (ret > 0)
1282                aic31xx->pdata.gpio_reset = ret;
1283}
1284#else /* CONFIG_OF */
1285static void aic31xx_pdata_from_of(struct aic31xx_priv *aic31xx)
1286{
1287}
1288#endif /* CONFIG_OF */
1289
1290static int aic31xx_device_init(struct aic31xx_priv *aic31xx)
1291{
1292        int ret, i;
1293
1294        dev_set_drvdata(aic31xx->dev, aic31xx);
1295
1296        if (dev_get_platdata(aic31xx->dev))
1297                memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev),
1298                       sizeof(aic31xx->pdata));
1299        else if (aic31xx->dev->of_node)
1300                aic31xx_pdata_from_of(aic31xx);
1301
1302        if (aic31xx->pdata.gpio_reset) {
1303                ret = devm_gpio_request_one(aic31xx->dev,
1304                                            aic31xx->pdata.gpio_reset,
1305                                            GPIOF_OUT_INIT_HIGH,
1306                                            "aic31xx-reset-pin");
1307                if (ret < 0) {
1308                        dev_err(aic31xx->dev, "not able to acquire gpio\n");
1309                        return ret;
1310                }
1311        }
1312
1313        for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1314                aic31xx->supplies[i].supply = aic31xx_supply_names[i];
1315
1316        ret = devm_regulator_bulk_get(aic31xx->dev,
1317                                      ARRAY_SIZE(aic31xx->supplies),
1318                                      aic31xx->supplies);
1319        if (ret != 0)
1320                dev_err(aic31xx->dev, "Failed to request supplies: %d\n", ret);
1321
1322        return ret;
1323}
1324
1325static int aic31xx_i2c_probe(struct i2c_client *i2c,
1326                             const struct i2c_device_id *id)
1327{
1328        struct aic31xx_priv *aic31xx;
1329        int ret;
1330        const struct regmap_config *regmap_config;
1331
1332        dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
1333                id->name, (int) id->driver_data);
1334
1335        regmap_config = &aic31xx_i2c_regmap;
1336
1337        aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
1338        if (aic31xx == NULL)
1339                return -ENOMEM;
1340
1341        aic31xx->regmap = devm_regmap_init_i2c(i2c, regmap_config);
1342        if (IS_ERR(aic31xx->regmap)) {
1343                ret = PTR_ERR(aic31xx->regmap);
1344                dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1345                        ret);
1346                return ret;
1347        }
1348        aic31xx->dev = &i2c->dev;
1349
1350        aic31xx->pdata.codec_type = id->driver_data;
1351
1352        ret = aic31xx_device_init(aic31xx);
1353        if (ret)
1354                return ret;
1355
1356        if (aic31xx->pdata.codec_type & DAC31XX_BIT)
1357                return snd_soc_register_codec(&i2c->dev,
1358                                &soc_codec_driver_aic31xx,
1359                                dac31xx_dai_driver,
1360                                ARRAY_SIZE(dac31xx_dai_driver));
1361        else
1362                return snd_soc_register_codec(&i2c->dev,
1363                                &soc_codec_driver_aic31xx,
1364                                aic31xx_dai_driver,
1365                                ARRAY_SIZE(aic31xx_dai_driver));
1366}
1367
1368static int aic31xx_i2c_remove(struct i2c_client *i2c)
1369{
1370        snd_soc_unregister_codec(&i2c->dev);
1371        return 0;
1372}
1373
1374static const struct i2c_device_id aic31xx_i2c_id[] = {
1375        { "tlv320aic310x", AIC3100 },
1376        { "tlv320aic311x", AIC3110 },
1377        { "tlv320aic3100", AIC3100 },
1378        { "tlv320aic3110", AIC3110 },
1379        { "tlv320aic3120", AIC3120 },
1380        { "tlv320aic3111", AIC3111 },
1381        { "tlv320dac3100", DAC3100 },
1382        { }
1383};
1384MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1385
1386#ifdef CONFIG_ACPI
1387static const struct acpi_device_id aic31xx_acpi_match[] = {
1388        { "10TI3100", 0 },
1389        { }
1390};
1391MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1392#endif
1393
1394static struct i2c_driver aic31xx_i2c_driver = {
1395        .driver = {
1396                .name   = "tlv320aic31xx-codec",
1397                .of_match_table = of_match_ptr(tlv320aic31xx_of_match),
1398                .acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
1399        },
1400        .probe          = aic31xx_i2c_probe,
1401        .remove         = aic31xx_i2c_remove,
1402        .id_table       = aic31xx_i2c_id,
1403};
1404
1405module_i2c_driver(aic31xx_i2c_driver);
1406
1407MODULE_DESCRIPTION("ASoC TLV320AIC3111 codec driver");
1408MODULE_AUTHOR("Jyri Sarha");
1409MODULE_LICENSE("GPL");
1410