sound/soc/codecs/tlv320aic31xx.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * ALSA SoC TLV320AIC31xx CODEC Driver
   4  *
   5  * Copyright (C) 2014-2017 Texas Instruments Incorporated - https://www.ti.com/
   6  *      Jyri Sarha <jsarha@ti.com>
   7  *
   8  * Based on ground work by: Ajit Kulkarni <x0175765@ti.com>
   9  *
  10  * The TLV320AIC31xx series of audio codecs are low-power, highly integrated
  11  * high performance codecs which provides a stereo DAC, a mono ADC,
  12  * and mono/stereo Class-D speaker driver.
  13  */
  14
  15 #include <linux/module.h>
  16 #include <linux/moduleparam.h>
  17 #include <linux/init.h>
  18 #include <linux/delay.h>
  19 #include <linux/pm.h>
  20 #include <linux/i2c.h>
  21 #include <linux/gpio/consumer.h>
  22 #include <linux/regulator/consumer.h>
  23 #include <linux/acpi.h>
  24 #include <linux/of.h>
  25 #include <linux/of_gpio.h>
  26 #include <linux/slab.h>
  27 #include <sound/core.h>
  28 #include <sound/jack.h>
  29 #include <sound/pcm.h>
  30 #include <sound/pcm_params.h>
  31 #include <sound/soc.h>
  32 #include <sound/initval.h>
  33 #include <sound/tlv.h>
  34 #include <dt-bindings/sound/tlv320aic31xx-micbias.h>
  35
  36 #include "tlv320aic31xx.h"
  37
  38 static const struct reg_default aic31xx_reg_defaults[] = {
  39         { AIC31XX_CLKMUX, 0x00 },
  40         { AIC31XX_PLLPR, 0x11 },
  41         { AIC31XX_PLLJ, 0x04 },
  42         { AIC31XX_PLLDMSB, 0x00 },
  43         { AIC31XX_PLLDLSB, 0x00 },
  44         { AIC31XX_NDAC, 0x01 },
  45         { AIC31XX_MDAC, 0x01 },
  46         { AIC31XX_DOSRMSB, 0x00 },
  47         { AIC31XX_DOSRLSB, 0x80 },
  48         { AIC31XX_NADC, 0x01 },
  49         { AIC31XX_MADC, 0x01 },
  50         { AIC31XX_AOSR, 0x80 },
  51         { AIC31XX_IFACE1, 0x00 },
  52         { AIC31XX_DATA_OFFSET, 0x00 },
  53         { AIC31XX_IFACE2, 0x00 },
  54         { AIC31XX_BCLKN, 0x01 },
  55         { AIC31XX_DACSETUP, 0x14 },
  56         { AIC31XX_DACMUTE, 0x0c },
  57         { AIC31XX_LDACVOL, 0x00 },
  58         { AIC31XX_RDACVOL, 0x00 },
  59         { AIC31XX_ADCSETUP, 0x00 },
  60         { AIC31XX_ADCFGA, 0x80 },
  61         { AIC31XX_ADCVOL, 0x00 },
  62         { AIC31XX_HPDRIVER, 0x04 },
  63         { AIC31XX_SPKAMP, 0x06 },
  64         { AIC31XX_DACMIXERROUTE, 0x00 },
  65         { AIC31XX_LANALOGHPL, 0x7f },
  66         { AIC31XX_RANALOGHPR, 0x7f },
  67         { AIC31XX_LANALOGSPL, 0x7f },
  68         { AIC31XX_RANALOGSPR, 0x7f },
  69         { AIC31XX_HPLGAIN, 0x02 },
  70         { AIC31XX_HPRGAIN, 0x02 },
  71         { AIC31XX_SPLGAIN, 0x00 },
  72         { AIC31XX_SPRGAIN, 0x00 },
  73         { AIC31XX_MICBIAS, 0x00 },
  74         { AIC31XX_MICPGA, 0x80 },
  75         { AIC31XX_MICPGAPI, 0x00 },
  76         { AIC31XX_MICPGAMI, 0x00 },
  77 };
  78
  79 static bool aic31xx_volatile(struct device *dev, unsigned int reg)
  80 {
  81         switch (reg) {
  82         case AIC31XX_PAGECTL: /* regmap implementation requires this */
  83         case AIC31XX_RESET: /* always clears after write */
  84         case AIC31XX_OT_FLAG:
  85         case AIC31XX_ADCFLAG:
  86         case AIC31XX_DACFLAG1:
  87         case AIC31XX_DACFLAG2:
  88         case AIC31XX_OFFLAG: /* Sticky interrupt flags */
  89         case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
  90         case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
  91         case AIC31XX_INTRDACFLAG2:
  92         case AIC31XX_INTRADCFLAG2:
  93         case AIC31XX_HSDETECT:
  94                 return true;
  95         }
  96         return false;
  97 }
  98
  99 static bool aic31xx_writeable(struct device *dev, unsigned int reg)
 100 {
 101         switch (reg) {
 102         case AIC31XX_OT_FLAG:
 103         case AIC31XX_ADCFLAG:
 104         case AIC31XX_DACFLAG1:
 105         case AIC31XX_DACFLAG2:
 106         case AIC31XX_OFFLAG: /* Sticky interrupt flags */
 107         case AIC31XX_INTRDACFLAG: /* Sticky interrupt flags */
 108         case AIC31XX_INTRADCFLAG: /* Sticky interrupt flags */
 109         case AIC31XX_INTRDACFLAG2:
 110         case AIC31XX_INTRADCFLAG2:
 111                 return false;
 112         }
 113         return true;
 114 }
 115
 116 static const struct regmap_range_cfg aic31xx_ranges[] = {
 117         {
 118                 .range_min = 0,
 119                 .range_max = 12 * 128,
 120                 .selector_reg = AIC31XX_PAGECTL,
 121                 .selector_mask = 0xff,
 122                 .selector_shift = 0,
 123                 .window_start = 0,
 124                 .window_len = 128,
 125         },
 126 };
 127
 128 static const struct regmap_config aic31xx_i2c_regmap = {
 129         .reg_bits = 8,
 130         .val_bits = 8,
 131         .writeable_reg = aic31xx_writeable,
 132         .volatile_reg = aic31xx_volatile,
 133         .reg_defaults = aic31xx_reg_defaults,
 134         .num_reg_defaults = ARRAY_SIZE(aic31xx_reg_defaults),
 135         .cache_type = REGCACHE_RBTREE,
 136         .ranges = aic31xx_ranges,
 137         .num_ranges = ARRAY_SIZE(aic31xx_ranges),
 138         .max_register = 12 * 128,
 139 };
 140
 141 static const char * const aic31xx_supply_names[] = {
 142         "HPVDD",
 143         "SPRVDD",
 144         "SPLVDD",
 145         "AVDD",
 146         "IOVDD",
 147         "DVDD",
 148 };
 149
 150 #define AIC31XX_NUM_SUPPLIES ARRAY_SIZE(aic31xx_supply_names)
 151
 152 struct aic31xx_disable_nb {
 153         struct notifier_block nb;
 154         struct aic31xx_priv *aic31xx;
 155 };
 156
 157 struct aic31xx_priv {
 158         struct snd_soc_component *component;
 159         u8 i2c_regs_status;
 160         struct device *dev;
 161         struct regmap *regmap;
 162         enum aic31xx_type codec_type;
 163         struct gpio_desc *gpio_reset;
 164         int micbias_vg;
 165         struct aic31xx_pdata pdata;
 166         struct regulator_bulk_data supplies[AIC31XX_NUM_SUPPLIES];
 167         struct aic31xx_disable_nb disable_nb[AIC31XX_NUM_SUPPLIES];
 168         struct snd_soc_jack *jack;
 169         unsigned int sysclk;
 170         u8 p_div;
 171         int rate_div_line;
 172         bool master_dapm_route_applied;
 173         int irq;
 174         u8 ocmv; /* output common-mode voltage */
 175 };
 176
 177 struct aic31xx_rate_divs {
 178         u32 mclk_p;
 179         u32 rate;
 180         u8 pll_j;
 181         u16 pll_d;
 182         u16 dosr;
 183         u8 ndac;
 184         u8 mdac;
 185         u8 aosr;
 186         u8 nadc;
 187         u8 madc;
 188 };
 189
 190 /* ADC dividers can be disabled by configuring them to 0 */
 191 static const struct aic31xx_rate_divs aic31xx_divs[] = {
 192         /* mclk/p    rate  pll: j     d        dosr ndac mdac  aors nadc madc */
 193         /* 8k rate */
 194         {12000000,   8000,      8, 1920,        128,  48,  2,   128,  48,  2},
 195         {12000000,   8000,      8, 1920,        128,  32,  3,   128,  32,  3},
 196         {12500000,   8000,      7, 8643,        128,  48,  2,   128,  48,  2},
 197         /* 11.025k rate */
 198         {12000000,  11025,      7, 5264,        128,  32,  2,   128,  32,  2},
 199         {12000000,  11025,      8, 4672,        128,  24,  3,   128,  24,  3},
 200         {12500000,  11025,      7, 2253,        128,  32,  2,   128,  32,  2},
 201         /* 16k rate */
 202         {12000000,  16000,      8, 1920,        128,  24,  2,   128,  24,  2},
 203         {12000000,  16000,      8, 1920,        128,  16,  3,   128,  16,  3},
 204         {12500000,  16000,      7, 8643,        128,  24,  2,   128,  24,  2},
 205         /* 22.05k rate */
 206         {12000000,  22050,      7, 5264,        128,  16,  2,   128,  16,  2},
 207         {12000000,  22050,      8, 4672,        128,  12,  3,   128,  12,  3},
 208         {12500000,  22050,      7, 2253,        128,  16,  2,   128,  16,  2},
 209         /* 32k rate */
 210         {12000000,  32000,      8, 1920,        128,  12,  2,   128,  12,  2},
 211         {12000000,  32000,      8, 1920,        128,   8,  3,   128,   8,  3},
 212         {12500000,  32000,      7, 8643,        128,  12,  2,   128,  12,  2},
 213         /* 44.1k rate */
 214         {12000000,  44100,      7, 5264,        128,   8,  2,   128,   8,  2},
 215         {12000000,  44100,      8, 4672,        128,   6,  3,   128,   6,  3},
 216         {12500000,  44100,      7, 2253,        128,   8,  2,   128,   8,  2},
 217         /* 48k rate */
 218         {12000000,  48000,      8, 1920,        128,   8,  2,   128,   8,  2},
 219         {12000000,  48000,      7, 6800,         96,   5,  4,    96,   5,  4},
 220         {12500000,  48000,      7, 8643,        128,   8,  2,   128,   8,  2},
 221         /* 88.2k rate */
 222         {12000000,  88200,      7, 5264,         64,   8,  2,    64,   8,  2},
 223         {12000000,  88200,      8, 4672,         64,   6,  3,    64,   6,  3},
 224         {12500000,  88200,      7, 2253,         64,   8,  2,    64,   8,  2},
 225         /* 96k rate */
 226         {12000000,  96000,      8, 1920,         64,   8,  2,    64,   8,  2},
 227         {12000000,  96000,      7, 6800,         48,   5,  4,    48,   5,  4},
 228         {12500000,  96000,      7, 8643,         64,   8,  2,    64,   8,  2},
 229         /* 176.4k rate */
 230         {12000000, 176400,      7, 5264,         32,   8,  2,    32,   8,  2},
 231         {12000000, 176400,      8, 4672,         32,   6,  3,    32,   6,  3},
 232         {12500000, 176400,      7, 2253,         32,   8,  2,    32,   8,  2},
 233         /* 192k rate */
 234         {12000000, 192000,      8, 1920,         32,   8,  2,    32,   8,  2},
 235         {12000000, 192000,      7, 6800,         24,   5,  4,    24,   5,  4},
 236         {12500000, 192000,      7, 8643,         32,   8,  2,    32,   8,  2},
 237 };
 238
 239 static const char * const ldac_in_text[] = {
 240         "Off", "Left Data", "Right Data", "Mono"
 241 };
 242
 243 static const char * const rdac_in_text[] = {
 244         "Off", "Right Data", "Left Data", "Mono"
 245 };
 246
 247 static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
 248
 249 static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
 250
 251 static const char * const mic_select_text[] = {
 252         "Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
 253 };
 254
 255 static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
 256         mic_select_text);
 257 static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
 258         mic_select_text);
 259 static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
 260         mic_select_text);
 261
 262 static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
 263         mic_select_text);
 264
 265 static const char * const hp_poweron_time_text[] = {
 266         "0us", "15.3us", "153us", "1.53ms", "15.3ms", "76.2ms",
 267         "153ms", "304ms", "610ms", "1.22s", "3.04s", "6.1s" };
 268
 269 static SOC_ENUM_SINGLE_DECL(hp_poweron_time_enum, AIC31XX_HPPOP, 3,
 270         hp_poweron_time_text);
 271
 272 static const char * const hp_rampup_step_text[] = {
 273         "0ms", "0.98ms", "1.95ms", "3.9ms" };
 274
 275 static SOC_ENUM_SINGLE_DECL(hp_rampup_step_enum, AIC31XX_HPPOP, 1,
 276         hp_rampup_step_text);
 277
 278 static const char * const vol_soft_step_mode_text[] = {
 279         "fast", "slow", "disabled" };
 280
 281 static SOC_ENUM_SINGLE_DECL(vol_soft_step_mode_enum, AIC31XX_DACSETUP, 0,
 282         vol_soft_step_mode_text);
 283
 284 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
 285 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
 286 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
 287 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
 288 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
 289 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
 290 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
 291 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
 292
 293 /*
 294  * controls to be exported to the user space
 295  */
 296 static const struct snd_kcontrol_new common31xx_snd_controls[] = {
 297         SOC_DOUBLE_R_S_TLV("DAC Playback Volume", AIC31XX_LDACVOL,
 298                            AIC31XX_RDACVOL, 0, -127, 48, 7, 0, dac_vol_tlv),
 299
 300         SOC_DOUBLE_R("HP Driver Playback Switch", AIC31XX_HPLGAIN,
 301                      AIC31XX_HPRGAIN, 2, 1, 0),
 302         SOC_DOUBLE_R_TLV("HP Driver Playback Volume", AIC31XX_HPLGAIN,
 303                          AIC31XX_HPRGAIN, 3, 0x09, 0, hp_drv_tlv),
 304
 305         SOC_DOUBLE_R_TLV("HP Analog Playback Volume", AIC31XX_LANALOGHPL,
 306                          AIC31XX_RANALOGHPR, 0, 0x7F, 1, hp_vol_tlv),
 307
 308         /* HP de-pop control: apply power not immediately but via ramp
 309          * function with these psarameters. Note that power up sequence
 310          * has to wait for this to complete; this is implemented by
 311          * polling HP driver status in aic31xx_dapm_power_event()
 312          */
 313         SOC_ENUM("HP Output Driver Power-On time", hp_poweron_time_enum),
 314         SOC_ENUM("HP Output Driver Ramp-up step", hp_rampup_step_enum),
 315
 316         SOC_ENUM("Volume Soft Stepping", vol_soft_step_mode_enum),
 317 };
 318
 319 static const struct snd_kcontrol_new aic31xx_snd_controls[] = {
 320         SOC_SINGLE_TLV("ADC Fine Capture Volume", AIC31XX_ADCFGA, 4, 4, 1,
 321                        adc_fgain_tlv),
 322
 323         SOC_SINGLE("ADC Capture Switch", AIC31XX_ADCFGA, 7, 1, 1),
 324         SOC_DOUBLE_R_S_TLV("ADC Capture Volume", AIC31XX_ADCVOL, AIC31XX_ADCVOL,
 325                            0, -24, 40, 6, 0, adc_cgain_tlv),
 326
 327         SOC_SINGLE_TLV("Mic PGA Capture Volume", AIC31XX_MICPGA, 0,
 328                        119, 0, mic_pga_tlv),
 329 };
 330
 331 static const struct snd_kcontrol_new aic311x_snd_controls[] = {
 332         SOC_DOUBLE_R("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
 333                      AIC31XX_SPRGAIN, 2, 1, 0),
 334         SOC_DOUBLE_R_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
 335                          AIC31XX_SPRGAIN, 3, 3, 0, class_D_drv_tlv),
 336
 337         SOC_DOUBLE_R_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
 338                          AIC31XX_RANALOGSPR, 0, 0x7F, 1, sp_vol_tlv),
 339 };
 340
 341 static const struct snd_kcontrol_new aic310x_snd_controls[] = {
 342         SOC_SINGLE("Speaker Driver Playback Switch", AIC31XX_SPLGAIN,
 343                    2, 1, 0),
 344         SOC_SINGLE_TLV("Speaker Driver Playback Volume", AIC31XX_SPLGAIN,
 345                        3, 3, 0, class_D_drv_tlv),
 346
 347         SOC_SINGLE_TLV("Speaker Analog Playback Volume", AIC31XX_LANALOGSPL,
 348                        0, 0x7F, 1, sp_vol_tlv),
 349 };
 350
 351 static const struct snd_kcontrol_new ldac_in_control =
 352         SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
 353
 354 static const struct snd_kcontrol_new rdac_in_control =
 355         SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
 356
 357 static int aic31xx_wait_bits(struct aic31xx_priv *aic31xx, unsigned int reg,
 358                              unsigned int mask, unsigned int wbits, int sleep,
 359                              int count)
 360 {
 361         unsigned int bits;
 362         int counter = count;
 363         int ret = regmap_read(aic31xx->regmap, reg, &bits);
 364
 365         while ((bits & mask) != wbits && counter && !ret) {
 366                 usleep_range(sleep, sleep * 2);
 367                 ret = regmap_read(aic31xx->regmap, reg, &bits);
 368                 counter--;
 369         }
 370         if ((bits & mask) != wbits) {
 371                 dev_err(aic31xx->dev,
 372                         "%s: Failed! 0x%x was 0x%x expected 0x%x (%d, 0x%x, %d us)\n",
 373                         __func__, reg, bits, wbits, ret, mask,
 374                         (count - counter) * sleep);
 375                 ret = -1;
 376         }
 377         return ret;
 378 }
 379
 380 #define WIDGET_BIT(reg, shift) (((shift) << 8) | (reg))
 381
 382 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
 383                                     struct snd_kcontrol *kcontrol, int event)
 384 {
 385         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 386         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 387         unsigned int reg = AIC31XX_DACFLAG1;
 388         unsigned int mask;
 389         unsigned int timeout = 500 * USEC_PER_MSEC;
 390
 391         switch (WIDGET_BIT(w->reg, w->shift)) {
 392         case WIDGET_BIT(AIC31XX_DACSETUP, 7):
 393                 mask = AIC31XX_LDACPWRSTATUS_MASK;
 394                 break;
 395         case WIDGET_BIT(AIC31XX_DACSETUP, 6):
 396                 mask = AIC31XX_RDACPWRSTATUS_MASK;
 397                 break;
 398         case WIDGET_BIT(AIC31XX_HPDRIVER, 7):
 399                 mask = AIC31XX_HPLDRVPWRSTATUS_MASK;
 400                 if (event == SND_SOC_DAPM_POST_PMU)
 401                         timeout = 7 * USEC_PER_SEC;
 402                 break;
 403         case WIDGET_BIT(AIC31XX_HPDRIVER, 6):
 404                 mask = AIC31XX_HPRDRVPWRSTATUS_MASK;
 405                 if (event == SND_SOC_DAPM_POST_PMU)
 406                         timeout = 7 * USEC_PER_SEC;
 407                 break;
 408         case WIDGET_BIT(AIC31XX_SPKAMP, 7):
 409                 mask = AIC31XX_SPLDRVPWRSTATUS_MASK;
 410                 break;
 411         case WIDGET_BIT(AIC31XX_SPKAMP, 6):
 412                 mask = AIC31XX_SPRDRVPWRSTATUS_MASK;
 413                 break;
 414         case WIDGET_BIT(AIC31XX_ADCSETUP, 7):
 415                 mask = AIC31XX_ADCPWRSTATUS_MASK;
 416                 reg = AIC31XX_ADCFLAG;
 417                 break;
 418         default:
 419                 dev_err(component->dev, "Unknown widget '%s' calling %s\n",
 420                         w->name, __func__);
 421                 return -EINVAL;
 422         }
 423
 424         switch (event) {
 425         case SND_SOC_DAPM_POST_PMU:
 426                 return aic31xx_wait_bits(aic31xx, reg, mask, mask,
 427                                 5000, timeout / 5000);
 428         case SND_SOC_DAPM_POST_PMD:
 429                 return aic31xx_wait_bits(aic31xx, reg, mask, 0,
 430                                 5000, timeout / 5000);
 431         default:
 432                 dev_dbg(component->dev,
 433                         "Unhandled dapm widget event %d from %s\n",
 434                         event, w->name);
 435         }
 436         return 0;
 437 }
 438
 439 static const struct snd_kcontrol_new aic31xx_left_output_switches[] = {
 440         SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
 441         SOC_DAPM_SINGLE("From MIC1LP", AIC31XX_DACMIXERROUTE, 5, 1, 0),
 442         SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 4, 1, 0),
 443 };
 444
 445 static const struct snd_kcontrol_new aic31xx_right_output_switches[] = {
 446         SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
 447         SOC_DAPM_SINGLE("From MIC1RP", AIC31XX_DACMIXERROUTE, 1, 1, 0),
 448 };
 449
 450 static const struct snd_kcontrol_new dac31xx_left_output_switches[] = {
 451         SOC_DAPM_SINGLE("From Left DAC", AIC31XX_DACMIXERROUTE, 6, 1, 0),
 452         SOC_DAPM_SINGLE("From AIN1", AIC31XX_DACMIXERROUTE, 5, 1, 0),
 453         SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 4, 1, 0),
 454 };
 455
 456 static const struct snd_kcontrol_new dac31xx_right_output_switches[] = {
 457         SOC_DAPM_SINGLE("From Right DAC", AIC31XX_DACMIXERROUTE, 2, 1, 0),
 458         SOC_DAPM_SINGLE("From AIN2", AIC31XX_DACMIXERROUTE, 1, 1, 0),
 459 };
 460
 461 static const struct snd_kcontrol_new p_term_mic1lp =
 462         SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
 463
 464 static const struct snd_kcontrol_new p_term_mic1rp =
 465         SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
 466
 467 static const struct snd_kcontrol_new p_term_mic1lm =
 468         SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
 469
 470 static const struct snd_kcontrol_new m_term_mic1lm =
 471         SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
 472
 473 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
 474         SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
 475
 476 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
 477         SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
 478
 479 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
 480         SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
 481
 482 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
 483         SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
 484
 485 static int mic_bias_event(struct snd_soc_dapm_widget *w,
 486                           struct snd_kcontrol *kcontrol, int event)
 487 {
 488         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 489         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 490
 491         switch (event) {
 492         case SND_SOC_DAPM_POST_PMU:
 493                 /* change mic bias voltage to user defined */
 494                 snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
 495                                     AIC31XX_MICBIAS_MASK,
 496                                     aic31xx->micbias_vg <<
 497                                     AIC31XX_MICBIAS_SHIFT);
 498                 dev_dbg(component->dev, "%s: turned on\n", __func__);
 499                 break;
 500         case SND_SOC_DAPM_PRE_PMD:
 501                 /* turn mic bias off */
 502                 snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
 503                                     AIC31XX_MICBIAS_MASK, 0);
 504                 dev_dbg(component->dev, "%s: turned off\n", __func__);
 505                 break;
 506         }
 507         return 0;
 508 }
 509
 510 static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
 511         SND_SOC_DAPM_AIF_IN("AIF IN", "Playback", 0, SND_SOC_NOPM, 0, 0),
 512
 513         SND_SOC_DAPM_MUX("DAC Left Input",
 514                          SND_SOC_NOPM, 0, 0, &ldac_in_control),
 515         SND_SOC_DAPM_MUX("DAC Right Input",
 516                          SND_SOC_NOPM, 0, 0, &rdac_in_control),
 517         /* DACs */
 518         SND_SOC_DAPM_DAC_E("DAC Left", "Left Playback",
 519                            AIC31XX_DACSETUP, 7, 0, aic31xx_dapm_power_event,
 520                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 521
 522         SND_SOC_DAPM_DAC_E("DAC Right", "Right Playback",
 523                            AIC31XX_DACSETUP, 6, 0, aic31xx_dapm_power_event,
 524                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
 525
 526         /* HP */
 527         SND_SOC_DAPM_SWITCH("HP Left", SND_SOC_NOPM, 0, 0,
 528                             &aic31xx_dapm_hpl_switch),
 529         SND_SOC_DAPM_SWITCH("HP Right", SND_SOC_NOPM, 0, 0,
 530                             &aic31xx_dapm_hpr_switch),
 531
 532         /* Output drivers */
 533         SND_SOC_DAPM_OUT_DRV_E("HPL Driver", AIC31XX_HPDRIVER, 7, 0,
 534                                NULL, 0, aic31xx_dapm_power_event,
 535                                SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
 536         SND_SOC_DAPM_OUT_DRV_E("HPR Driver", AIC31XX_HPDRIVER, 6, 0,
 537                                NULL, 0, aic31xx_dapm_power_event,
 538                                SND_SOC_DAPM_POST_PMD | SND_SOC_DAPM_POST_PMU),
 539
 540         /* Mic Bias */
 541         SND_SOC_DAPM_SUPPLY("MICBIAS", SND_SOC_NOPM, 0, 0, mic_bias_event,
 542                             SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 543
 544         /* Keep BCLK/WCLK enabled even if DAC/ADC is powered down */
 545         SND_SOC_DAPM_SUPPLY("Activate I2S clocks", AIC31XX_IFACE2, 2, 0,
 546                             NULL, 0),
 547
 548         /* Outputs */
 549         SND_SOC_DAPM_OUTPUT("HPL"),
 550         SND_SOC_DAPM_OUTPUT("HPR"),
 551 };
 552
 553 static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
 554         /* Inputs */
 555         SND_SOC_DAPM_INPUT("AIN1"),
 556         SND_SOC_DAPM_INPUT("AIN2"),
 557
 558         /* Output Mixers */
 559         SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
 560                            dac31xx_left_output_switches,
 561                            ARRAY_SIZE(dac31xx_left_output_switches)),
 562         SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
 563                            dac31xx_right_output_switches,
 564                            ARRAY_SIZE(dac31xx_right_output_switches)),
 565 };
 566
 567 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
 568         /* Inputs */
 569         SND_SOC_DAPM_INPUT("MIC1LP"),
 570         SND_SOC_DAPM_INPUT("MIC1RP"),
 571         SND_SOC_DAPM_INPUT("MIC1LM"),
 572
 573         /* Input Selection to MIC_PGA */
 574         SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
 575                          &p_term_mic1lp),
 576         SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
 577                          &p_term_mic1rp),
 578         SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
 579                          &p_term_mic1lm),
 580
 581         /* ADC */
 582         SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
 583                            aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 584                            SND_SOC_DAPM_POST_PMD),
 585
 586         SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
 587                          &m_term_mic1lm),
 588
 589         /* Enabling & Disabling MIC Gain Ctl */
 590         SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
 591                          7, 1, NULL, 0),
 592
 593         /* Output Mixers */
 594         SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
 595                            aic31xx_left_output_switches,
 596                            ARRAY_SIZE(aic31xx_left_output_switches)),
 597         SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
 598                            aic31xx_right_output_switches,
 599                            ARRAY_SIZE(aic31xx_right_output_switches)),
 600
 601         SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
 602 };
 603
 604 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
 605         /* AIC3111 and AIC3110 have stereo class-D amplifier */
 606         SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
 607                                aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 608                                SND_SOC_DAPM_POST_PMD),
 609         SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
 610                                aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 611                                SND_SOC_DAPM_POST_PMD),
 612         SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
 613                             &aic31xx_dapm_spl_switch),
 614         SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
 615                             &aic31xx_dapm_spr_switch),
 616         SND_SOC_DAPM_OUTPUT("SPL"),
 617         SND_SOC_DAPM_OUTPUT("SPR"),
 618 };
 619
 620 /* AIC3100 and AIC3120 have only mono class-D amplifier */
 621 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
 622         SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
 623                                aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 624                                SND_SOC_DAPM_POST_PMD),
 625         SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
 626                             &aic31xx_dapm_spl_switch),
 627         SND_SOC_DAPM_OUTPUT("SPK"),
 628 };
 629
 630 static const struct snd_soc_dapm_route
 631 common31xx_audio_map[] = {
 632         /* DAC Input Routing */
 633         {"DAC Left Input", "Left Data", "AIF IN"},
 634         {"DAC Left Input", "Right Data", "AIF IN"},
 635         {"DAC Left Input", "Mono", "AIF IN"},
 636         {"DAC Right Input", "Left Data", "AIF IN"},
 637         {"DAC Right Input", "Right Data", "AIF IN"},
 638         {"DAC Right Input", "Mono", "AIF IN"},
 639         {"DAC Left", NULL, "DAC Left Input"},
 640         {"DAC Right", NULL, "DAC Right Input"},
 641
 642         /* HPL path */
 643         {"HP Left", "Switch", "Output Left"},
 644         {"HPL Driver", NULL, "HP Left"},
 645         {"HPL", NULL, "HPL Driver"},
 646
 647         /* HPR path */
 648         {"HP Right", "Switch", "Output Right"},
 649         {"HPR Driver", NULL, "HP Right"},
 650         {"HPR", NULL, "HPR Driver"},
 651 };
 652
 653 static const struct snd_soc_dapm_route
 654 dac31xx_audio_map[] = {
 655         /* Left Output */
 656         {"Output Left", "From Left DAC", "DAC Left"},
 657         {"Output Left", "From AIN1", "AIN1"},
 658         {"Output Left", "From AIN2", "AIN2"},
 659
 660         /* Right Output */
 661         {"Output Right", "From Right DAC", "DAC Right"},
 662         {"Output Right", "From AIN2", "AIN2"},
 663 };
 664
 665 static const struct snd_soc_dapm_route
 666 aic31xx_audio_map[] = {
 667         /* Mic input */
 668         {"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
 669         {"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
 670         {"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
 671         {"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
 672         {"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
 673         {"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
 674         {"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
 675         {"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
 676         {"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
 677
 678         {"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
 679         {"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
 680         {"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
 681
 682         {"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
 683         {"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
 684         {"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
 685         {"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
 686
 687         {"ADC", NULL, "MIC_GAIN_CTL"},
 688
 689         {"AIF OUT", NULL, "ADC"},
 690
 691         /* Left Output */
 692         {"Output Left", "From Left DAC", "DAC Left"},
 693         {"Output Left", "From MIC1LP", "MIC1LP"},
 694         {"Output Left", "From MIC1RP", "MIC1RP"},
 695
 696         /* Right Output */
 697         {"Output Right", "From Right DAC", "DAC Right"},
 698         {"Output Right", "From MIC1RP", "MIC1RP"},
 699 };
 700
 701 static const struct snd_soc_dapm_route
 702 aic311x_audio_map[] = {
 703         /* SP L path */
 704         {"Speaker Left", "Switch", "Output Left"},
 705         {"SPL ClassD", NULL, "Speaker Left"},
 706         {"SPL", NULL, "SPL ClassD"},
 707
 708         /* SP R path */
 709         {"Speaker Right", "Switch", "Output Right"},
 710         {"SPR ClassD", NULL, "Speaker Right"},
 711         {"SPR", NULL, "SPR ClassD"},
 712 };
 713
 714 static const struct snd_soc_dapm_route
 715 aic310x_audio_map[] = {
 716         /* SP L path */
 717         {"Speaker", "Switch", "Output Left"},
 718         {"SPK ClassD", NULL, "Speaker"},
 719         {"SPK", NULL, "SPK ClassD"},
 720 };
 721
 722 /*
 723  * Always connected DAPM routes for codec clock master modes.
 724  * If the codec is the master on the I2S bus, we need to power up components
 725  * to have valid DAC_CLK.
 726  *
 727  * In order to have the I2S clocks on the bus either the DACs/ADC need to be
 728  * enabled, or the P0/R29/D2 (Keep bclk/wclk in power down) need to be set.
 729  *
 730  * Otherwise the codec will not generate clocks on the bus.
 731  */
 732 static const struct snd_soc_dapm_route
 733 common31xx_cm_audio_map[] = {
 734         {"HPL", NULL, "AIF IN"},
 735         {"HPR", NULL, "AIF IN"},
 736
 737         {"AIF IN", NULL, "Activate I2S clocks"},
 738 };
 739
 740 static const struct snd_soc_dapm_route
 741 aic31xx_cm_audio_map[] = {
 742         {"AIF OUT", NULL, "MIC1LP"},
 743         {"AIF OUT", NULL, "MIC1RP"},
 744         {"AIF OUT", NULL, "MIC1LM"},
 745
 746         {"AIF OUT", NULL, "Activate I2S clocks"},
 747 };
 748
 749 static int aic31xx_add_controls(struct snd_soc_component *component)
 750 {
 751         int ret = 0;
 752         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 753
 754         if (!(aic31xx->codec_type & DAC31XX_BIT))
 755                 ret = snd_soc_add_component_controls(
 756                         component, aic31xx_snd_controls,
 757                         ARRAY_SIZE(aic31xx_snd_controls));
 758         if (ret)
 759                 return ret;
 760
 761         if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT)
 762                 ret = snd_soc_add_component_controls(
 763                         component, aic311x_snd_controls,
 764                         ARRAY_SIZE(aic311x_snd_controls));
 765         else
 766                 ret = snd_soc_add_component_controls(
 767                         component, aic310x_snd_controls,
 768                         ARRAY_SIZE(aic310x_snd_controls));
 769
 770         return ret;
 771 }
 772
 773 static int aic31xx_add_widgets(struct snd_soc_component *component)
 774 {
 775         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 776         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 777         int ret = 0;
 778
 779         if (aic31xx->codec_type & DAC31XX_BIT) {
 780                 ret = snd_soc_dapm_new_controls(
 781                         dapm, dac31xx_dapm_widgets,
 782                         ARRAY_SIZE(dac31xx_dapm_widgets));
 783                 if (ret)
 784                         return ret;
 785
 786                 ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
 787                                               ARRAY_SIZE(dac31xx_audio_map));
 788                 if (ret)
 789                         return ret;
 790         } else {
 791                 ret = snd_soc_dapm_new_controls(
 792                         dapm, aic31xx_dapm_widgets,
 793                         ARRAY_SIZE(aic31xx_dapm_widgets));
 794                 if (ret)
 795                         return ret;
 796
 797                 ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
 798                                               ARRAY_SIZE(aic31xx_audio_map));
 799                 if (ret)
 800                         return ret;
 801         }
 802
 803         if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
 804                 ret = snd_soc_dapm_new_controls(
 805                         dapm, aic311x_dapm_widgets,
 806                         ARRAY_SIZE(aic311x_dapm_widgets));
 807                 if (ret)
 808                         return ret;
 809
 810                 ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
 811                                               ARRAY_SIZE(aic311x_audio_map));
 812                 if (ret)
 813                         return ret;
 814         } else {
 815                 ret = snd_soc_dapm_new_controls(
 816                         dapm, aic310x_dapm_widgets,
 817                         ARRAY_SIZE(aic310x_dapm_widgets));
 818                 if (ret)
 819                         return ret;
 820
 821                 ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
 822                                               ARRAY_SIZE(aic310x_audio_map));
 823                 if (ret)
 824                         return ret;
 825         }
 826
 827         return 0;
 828 }
 829
 830 static int aic31xx_setup_pll(struct snd_soc_component *component,
 831                              struct snd_pcm_hw_params *params)
 832 {
 833         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 834         int bclk_score = snd_soc_params_to_frame_size(params);
 835         int mclk_p;
 836         int bclk_n = 0;
 837         int match = -1;
 838         int i;
 839
 840         if (!aic31xx->sysclk || !aic31xx->p_div) {
 841                 dev_err(component->dev, "Master clock not supplied\n");
 842                 return -EINVAL;
 843         }
 844         mclk_p = aic31xx->sysclk / aic31xx->p_div;
 845
 846         /* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
 847         snd_soc_component_update_bits(component, AIC31XX_CLKMUX,
 848                             AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
 849         snd_soc_component_update_bits(component, AIC31XX_IFACE2,
 850                             AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
 851
 852         for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
 853                 if (aic31xx_divs[i].rate == params_rate(params) &&
 854                     aic31xx_divs[i].mclk_p == mclk_p) {
 855                         int s = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
 856                                 snd_soc_params_to_frame_size(params);
 857                         int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
 858                                 snd_soc_params_to_frame_size(params);
 859                         if (s < bclk_score && bn > 0) {
 860                                 match = i;
 861                                 bclk_n = bn;
 862                                 bclk_score = s;
 863                         }
 864                 }
 865         }
 866
 867         if (match == -1) {
 868                 dev_err(component->dev,
 869                         "%s: Sample rate (%u) and format not supported\n",
 870                         __func__, params_rate(params));
 871                 /* See bellow for details how fix this. */
 872                 return -EINVAL;
 873         }
 874         if (bclk_score != 0) {
 875                 dev_warn(component->dev, "Can not produce exact bitclock");
 876                 /* This is fine if using dsp format, but if using i2s
 877                    there may be trouble. To fix the issue edit the
 878                    aic31xx_divs table for your mclk and sample
 879                    rate. Details can be found from:
 880                    https://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
 881                    Section: 5.6 CLOCK Generation and PLL
 882                 */
 883         }
 884         i = match;
 885
 886         /* PLL configuration */
 887         snd_soc_component_update_bits(component, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
 888                             (aic31xx->p_div << 4) | 0x01);
 889         snd_soc_component_write(component, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
 890
 891         snd_soc_component_write(component, AIC31XX_PLLDMSB,
 892                       aic31xx_divs[i].pll_d >> 8);
 893         snd_soc_component_write(component, AIC31XX_PLLDLSB,
 894                       aic31xx_divs[i].pll_d & 0xff);
 895
 896         /* DAC dividers configuration */
 897         snd_soc_component_update_bits(component, AIC31XX_NDAC, AIC31XX_PLL_MASK,
 898                             aic31xx_divs[i].ndac);
 899         snd_soc_component_update_bits(component, AIC31XX_MDAC, AIC31XX_PLL_MASK,
 900                             aic31xx_divs[i].mdac);
 901
 902         snd_soc_component_write(component, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
 903         snd_soc_component_write(component, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
 904
 905         /* ADC dividers configuration. Write reset value 1 if not used. */
 906         snd_soc_component_update_bits(component, AIC31XX_NADC, AIC31XX_PLL_MASK,
 907                             aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
 908         snd_soc_component_update_bits(component, AIC31XX_MADC, AIC31XX_PLL_MASK,
 909                             aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
 910
 911         snd_soc_component_write(component, AIC31XX_AOSR, aic31xx_divs[i].aosr);
 912
 913         /* Bit clock divider configuration. */
 914         snd_soc_component_update_bits(component, AIC31XX_BCLKN,
 915                             AIC31XX_PLL_MASK, bclk_n);
 916
 917         aic31xx->rate_div_line = i;
 918
 919         dev_dbg(component->dev,
 920                 "pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
 921                 aic31xx_divs[i].pll_j,
 922                 aic31xx_divs[i].pll_d,
 923                 aic31xx->p_div,
 924                 aic31xx_divs[i].dosr,
 925                 aic31xx_divs[i].ndac,
 926                 aic31xx_divs[i].mdac,
 927                 aic31xx_divs[i].aosr,
 928                 aic31xx_divs[i].nadc,
 929                 aic31xx_divs[i].madc,
 930                 bclk_n
 931         );
 932
 933         return 0;
 934 }
 935
 936 static int aic31xx_hw_params(struct snd_pcm_substream *substream,
 937                              struct snd_pcm_hw_params *params,
 938                              struct snd_soc_dai *dai)
 939 {
 940         struct snd_soc_component *component = dai->component;
 941         u8 data = 0;
 942
 943         dev_dbg(component->dev, "## %s: width %d rate %d\n",
 944                 __func__, params_width(params),
 945                 params_rate(params));
 946
 947         switch (params_width(params)) {
 948         case 16:
 949                 break;
 950         case 20:
 951                 data = (AIC31XX_WORD_LEN_20BITS <<
 952                         AIC31XX_IFACE1_DATALEN_SHIFT);
 953                 break;
 954         case 24:
 955                 data = (AIC31XX_WORD_LEN_24BITS <<
 956                         AIC31XX_IFACE1_DATALEN_SHIFT);
 957                 break;
 958         case 32:
 959                 data = (AIC31XX_WORD_LEN_32BITS <<
 960                         AIC31XX_IFACE1_DATALEN_SHIFT);
 961                 break;
 962         default:
 963                 dev_err(component->dev, "%s: Unsupported width %d\n",
 964                         __func__, params_width(params));
 965                 return -EINVAL;
 966         }
 967
 968         snd_soc_component_update_bits(component, AIC31XX_IFACE1,
 969                             AIC31XX_IFACE1_DATALEN_MASK,
 970                             data);
 971
 972         return aic31xx_setup_pll(component, params);
 973 }
 974
 975 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute,
 976                             int direction)
 977 {
 978         struct snd_soc_component *component = codec_dai->component;
 979
 980         if (mute) {
 981                 snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
 982                                     AIC31XX_DACMUTE_MASK,
 983                                     AIC31XX_DACMUTE_MASK);
 984         } else {
 985                 snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
 986                                     AIC31XX_DACMUTE_MASK, 0x0);
 987         }
 988
 989         return 0;
 990 }
 991
 992 static int aic31xx_clock_master_routes(struct snd_soc_component *component,
 993                                        unsigned int fmt)
 994 {
 995         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 996         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 997         int ret;
 998
 999         fmt &= SND_SOC_DAIFMT_MASTER_MASK;
1000         if (fmt == SND_SOC_DAIFMT_CBS_CFS &&
1001             aic31xx->master_dapm_route_applied) {
1002                 /*
1003                  * Remove the DAPM route(s) for codec clock master modes,
1004                  * if applied
1005                  */
1006                 ret = snd_soc_dapm_del_routes(dapm, common31xx_cm_audio_map,
1007                                         ARRAY_SIZE(common31xx_cm_audio_map));
1008                 if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
1009                         ret = snd_soc_dapm_del_routes(dapm,
1010                                         aic31xx_cm_audio_map,
1011                                         ARRAY_SIZE(aic31xx_cm_audio_map));
1012
1013                 if (ret)
1014                         return ret;
1015
1016                 aic31xx->master_dapm_route_applied = false;
1017         } else if (fmt != SND_SOC_DAIFMT_CBS_CFS &&
1018                    !aic31xx->master_dapm_route_applied) {
1019                 /*
1020                  * Add the needed DAPM route(s) for codec clock master modes,
1021                  * if it is not done already
1022                  */
1023                 ret = snd_soc_dapm_add_routes(dapm, common31xx_cm_audio_map,
1024                                         ARRAY_SIZE(common31xx_cm_audio_map));
1025                 if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
1026                         ret = snd_soc_dapm_add_routes(dapm,
1027                                         aic31xx_cm_audio_map,
1028                                         ARRAY_SIZE(aic31xx_cm_audio_map));
1029
1030                 if (ret)
1031                         return ret;
1032
1033                 aic31xx->master_dapm_route_applied = true;
1034         }
1035
1036         return 0;
1037 }
1038
1039 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
1040                                unsigned int fmt)
1041 {
1042         struct snd_soc_component *component = codec_dai->component;
1043         u8 iface_reg1 = 0;
1044         u8 iface_reg2 = 0;
1045         u8 dsp_a_val = 0;
1046
1047         dev_dbg(component->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
1048
1049         /* set master/slave audio interface */
1050         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1051         case SND_SOC_DAIFMT_CBM_CFM:
1052                 iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
1053                 break;
1054         case SND_SOC_DAIFMT_CBS_CFM:
1055                 iface_reg1 |= AIC31XX_WCLK_MASTER;
1056                 break;
1057         case SND_SOC_DAIFMT_CBM_CFS:
1058                 iface_reg1 |= AIC31XX_BCLK_MASTER;
1059                 break;
1060         case SND_SOC_DAIFMT_CBS_CFS:
1061                 break;
1062         default:
1063                 dev_err(component->dev, "Invalid DAI master/slave interface\n");
1064                 return -EINVAL;
1065         }
1066
1067         /* signal polarity */
1068         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1069         case SND_SOC_DAIFMT_NB_NF:
1070                 break;
1071         case SND_SOC_DAIFMT_IB_NF:
1072                 iface_reg2 |= AIC31XX_BCLKINV_MASK;
1073                 break;
1074         default:
1075                 dev_err(component->dev, "Invalid DAI clock signal polarity\n");
1076                 return -EINVAL;
1077         }
1078
1079         /* interface format */
1080         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1081         case SND_SOC_DAIFMT_I2S:
1082                 break;
1083         case SND_SOC_DAIFMT_DSP_A:
1084                 dsp_a_val = 0x1;
1085                 fallthrough;
1086         case SND_SOC_DAIFMT_DSP_B:
1087                 /*
1088                  * NOTE: This CODEC samples on the falling edge of BCLK in
1089                  * DSP mode, this is inverted compared to what most DAIs
1090                  * expect, so we invert for this mode
1091                  */
1092                 iface_reg2 ^= AIC31XX_BCLKINV_MASK;
1093                 iface_reg1 |= (AIC31XX_DSP_MODE <<
1094                                AIC31XX_IFACE1_DATATYPE_SHIFT);
1095                 break;
1096         case SND_SOC_DAIFMT_RIGHT_J:
1097                 iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
1098                                AIC31XX_IFACE1_DATATYPE_SHIFT);
1099                 break;
1100         case SND_SOC_DAIFMT_LEFT_J:
1101                 iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
1102                                AIC31XX_IFACE1_DATATYPE_SHIFT);
1103                 break;
1104         default:
1105                 dev_err(component->dev, "Invalid DAI interface format\n");
1106                 return -EINVAL;
1107         }
1108
1109         snd_soc_component_update_bits(component, AIC31XX_IFACE1,
1110                             AIC31XX_IFACE1_DATATYPE_MASK |
1111                             AIC31XX_IFACE1_MASTER_MASK,
1112                             iface_reg1);
1113         snd_soc_component_update_bits(component, AIC31XX_DATA_OFFSET,
1114                             AIC31XX_DATA_OFFSET_MASK,
1115                             dsp_a_val);
1116         snd_soc_component_update_bits(component, AIC31XX_IFACE2,
1117                             AIC31XX_BCLKINV_MASK,
1118                             iface_reg2);
1119
1120         return aic31xx_clock_master_routes(component, fmt);
1121 }
1122
1123 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1124                                   int clk_id, unsigned int freq, int dir)
1125 {
1126         struct snd_soc_component *component = codec_dai->component;
1127         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1128         int i;
1129
1130         dev_dbg(component->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
1131                 __func__, clk_id, freq, dir);
1132
1133         for (i = 1; i < 8; i++)
1134                 if (freq / i <= 20000000)
1135                         break;
1136         if (freq/i > 20000000) {
1137                 dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
1138                         __func__, freq);
1139                 return -EINVAL;
1140         }
1141         aic31xx->p_div = i;
1142
1143         for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++)
1144                 if (aic31xx_divs[i].mclk_p == freq / aic31xx->p_div)
1145                         break;
1146         if (i == ARRAY_SIZE(aic31xx_divs)) {
1147                 dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
1148                         __func__, freq);
1149                 return -EINVAL;
1150         }
1151
1152         /* set clock on MCLK, BCLK, or GPIO1 as PLL input */
1153         snd_soc_component_update_bits(component, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
1154                             clk_id << AIC31XX_PLL_CLKIN_SHIFT);
1155
1156         aic31xx->sysclk = freq;
1157
1158         return 0;
1159 }
1160
1161 static int aic31xx_regulator_event(struct notifier_block *nb,
1162                                    unsigned long event, void *data)
1163 {
1164         struct aic31xx_disable_nb *disable_nb =
1165                 container_of(nb, struct aic31xx_disable_nb, nb);
1166         struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
1167
1168         if (event & REGULATOR_EVENT_DISABLE) {
1169                 /*
1170                  * Put codec to reset and as at least one of the
1171                  * supplies was disabled.
1172                  */
1173                 if (aic31xx->gpio_reset)
1174                         gpiod_set_value(aic31xx->gpio_reset, 1);
1175
1176                 regcache_mark_dirty(aic31xx->regmap);
1177                 dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
1178         }
1179
1180         return 0;
1181 }
1182
1183 static int aic31xx_reset(struct aic31xx_priv *aic31xx)
1184 {
1185         int ret = 0;
1186
1187         if (aic31xx->gpio_reset) {
1188                 gpiod_set_value(aic31xx->gpio_reset, 1);
1189                 ndelay(10); /* At least 10ns */
1190                 gpiod_set_value(aic31xx->gpio_reset, 0);
1191         } else {
1192                 ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1);
1193         }
1194         mdelay(1); /* At least 1ms */
1195
1196         return ret;
1197 }
1198
1199 static void aic31xx_clk_on(struct snd_soc_component *component)
1200 {
1201         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1202         u8 mask = AIC31XX_PM_MASK;
1203         u8 on = AIC31XX_PM_MASK;
1204
1205         dev_dbg(component->dev, "codec clock -> on (rate %d)\n",
1206                 aic31xx_divs[aic31xx->rate_div_line].rate);
1207         snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, on);
1208         mdelay(10);
1209         snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, on);
1210         snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, on);
1211         if (aic31xx_divs[aic31xx->rate_div_line].nadc)
1212                 snd_soc_component_update_bits(component, AIC31XX_NADC, mask, on);
1213         if (aic31xx_divs[aic31xx->rate_div_line].madc)
1214                 snd_soc_component_update_bits(component, AIC31XX_MADC, mask, on);
1215         snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, on);
1216 }
1217
1218 static void aic31xx_clk_off(struct snd_soc_component *component)
1219 {
1220         u8 mask = AIC31XX_PM_MASK;
1221         u8 off = 0;
1222
1223         dev_dbg(component->dev, "codec clock -> off\n");
1224         snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, off);
1225         snd_soc_component_update_bits(component, AIC31XX_MADC, mask, off);
1226         snd_soc_component_update_bits(component, AIC31XX_NADC, mask, off);
1227         snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, off);
1228         snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, off);
1229         snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, off);
1230 }
1231
1232 static int aic31xx_power_on(struct snd_soc_component *component)
1233 {
1234         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1235         int ret;
1236
1237         ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
1238                                     aic31xx->supplies);
1239         if (ret)
1240                 return ret;
1241
1242         regcache_cache_only(aic31xx->regmap, false);
1243
1244         /* Reset device registers for a consistent power-on like state */
1245         ret = aic31xx_reset(aic31xx);
1246         if (ret < 0)
1247                 dev_err(aic31xx->dev, "Could not reset device: %d\n", ret);
1248
1249         ret = regcache_sync(aic31xx->regmap);
1250         if (ret) {
1251                 dev_err(component->dev,
1252                         "Failed to restore cache: %d\n", ret);
1253                 regcache_cache_only(aic31xx->regmap, true);
1254                 regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1255                                        aic31xx->supplies);
1256                 return ret;
1257         }
1258
1259         return 0;
1260 }
1261
1262 static void aic31xx_power_off(struct snd_soc_component *component)
1263 {
1264         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1265
1266         regcache_cache_only(aic31xx->regmap, true);
1267         regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1268                                aic31xx->supplies);
1269 }
1270
1271 static int aic31xx_set_bias_level(struct snd_soc_component *component,
1272                                   enum snd_soc_bias_level level)
1273 {
1274         dev_dbg(component->dev, "## %s: %d -> %d\n", __func__,
1275                 snd_soc_component_get_bias_level(component), level);
1276
1277         switch (level) {
1278         case SND_SOC_BIAS_ON:
1279                 break;
1280         case SND_SOC_BIAS_PREPARE:
1281                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1282                         aic31xx_clk_on(component);
1283                 break;
1284         case SND_SOC_BIAS_STANDBY:
1285                 switch (snd_soc_component_get_bias_level(component)) {
1286                 case SND_SOC_BIAS_OFF:
1287                         aic31xx_power_on(component);
1288                         break;
1289                 case SND_SOC_BIAS_PREPARE:
1290                         aic31xx_clk_off(component);
1291                         break;
1292                 default:
1293                         BUG();
1294                 }
1295                 break;
1296         case SND_SOC_BIAS_OFF:
1297                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1298                         aic31xx_power_off(component);
1299                 break;
1300         }
1301
1302         return 0;
1303 }
1304
1305 static int aic31xx_set_jack(struct snd_soc_component *component,
1306                             struct snd_soc_jack *jack, void *data)
1307 {
1308         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1309
1310         aic31xx->jack = jack;
1311
1312         /* Enable/Disable jack detection */
1313         regmap_write(aic31xx->regmap, AIC31XX_HSDETECT,
1314                      jack ? AIC31XX_HSD_ENABLE : 0);
1315
1316         return 0;
1317 }
1318
1319 static int aic31xx_codec_probe(struct snd_soc_component *component)
1320 {
1321         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1322         int i, ret;
1323
1324         dev_dbg(aic31xx->dev, "## %s\n", __func__);
1325
1326         aic31xx->component = component;
1327
1328         for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
1329                 aic31xx->disable_nb[i].nb.notifier_call =
1330                         aic31xx_regulator_event;
1331                 aic31xx->disable_nb[i].aic31xx = aic31xx;
1332                 ret = devm_regulator_register_notifier(
1333                                                 aic31xx->supplies[i].consumer,
1334                                                 &aic31xx->disable_nb[i].nb);
1335                 if (ret) {
1336                         dev_err(component->dev,
1337                                 "Failed to request regulator notifier: %d\n",
1338                                 ret);
1339                         return ret;
1340                 }
1341         }
1342
1343         regcache_cache_only(aic31xx->regmap, true);
1344         regcache_mark_dirty(aic31xx->regmap);
1345
1346         ret = aic31xx_add_controls(component);
1347         if (ret)
1348                 return ret;
1349
1350         ret = aic31xx_add_widgets(component);
1351         if (ret)
1352                 return ret;
1353
1354         /* set output common-mode voltage */
1355         snd_soc_component_update_bits(component, AIC31XX_HPDRIVER,
1356                                       AIC31XX_HPD_OCMV_MASK,
1357                                       aic31xx->ocmv << AIC31XX_HPD_OCMV_SHIFT);
1358
1359         return 0;
1360 }
1361
1362 static const struct snd_soc_component_driver soc_codec_driver_aic31xx = {
1363         .probe                  = aic31xx_codec_probe,
1364         .set_jack               = aic31xx_set_jack,
1365         .set_bias_level         = aic31xx_set_bias_level,
1366         .controls               = common31xx_snd_controls,
1367         .num_controls           = ARRAY_SIZE(common31xx_snd_controls),
1368         .dapm_widgets           = common31xx_dapm_widgets,
1369         .num_dapm_widgets       = ARRAY_SIZE(common31xx_dapm_widgets),
1370         .dapm_routes            = common31xx_audio_map,
1371         .num_dapm_routes        = ARRAY_SIZE(common31xx_audio_map),
1372         .suspend_bias_off       = 1,
1373         .idle_bias_on           = 1,
1374         .use_pmdown_time        = 1,
1375         .endianness             = 1,
1376         .non_legacy_dai_naming  = 1,
1377 };
1378
1379 static const struct snd_soc_dai_ops aic31xx_dai_ops = {
1380         .hw_params      = aic31xx_hw_params,
1381         .set_sysclk     = aic31xx_set_dai_sysclk,
1382         .set_fmt        = aic31xx_set_dai_fmt,
1383         .mute_stream    = aic31xx_dac_mute,
1384         .no_capture_mute = 1,
1385 };
1386
1387 static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
1388         {
1389                 .name = "tlv320dac31xx-hifi",
1390                 .playback = {
1391                         .stream_name     = "Playback",
1392                         .channels_min    = 2,
1393                         .channels_max    = 2,
1394                         .rates           = AIC31XX_RATES,
1395                         .formats         = AIC31XX_FORMATS,
1396                 },
1397                 .ops = &aic31xx_dai_ops,
1398                 .symmetric_rate = 1,
1399         }
1400 };
1401
1402 static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
1403         {
1404                 .name = "tlv320aic31xx-hifi",
1405                 .playback = {
1406                         .stream_name     = "Playback",
1407                         .channels_min    = 2,
1408                         .channels_max    = 2,
1409                         .rates           = AIC31XX_RATES,
1410                         .formats         = AIC31XX_FORMATS,
1411                 },
1412                 .capture = {
1413                         .stream_name     = "Capture",
1414                         .channels_min    = 2,
1415                         .channels_max    = 2,
1416                         .rates           = AIC31XX_RATES,
1417                         .formats         = AIC31XX_FORMATS,
1418                 },
1419                 .ops = &aic31xx_dai_ops,
1420                 .symmetric_rate = 1,
1421         }
1422 };
1423
1424 #if defined(CONFIG_OF)
1425 static const struct of_device_id tlv320aic31xx_of_match[] = {
1426         { .compatible = "ti,tlv320aic310x" },
1427         { .compatible = "ti,tlv320aic311x" },
1428         { .compatible = "ti,tlv320aic3100" },
1429         { .compatible = "ti,tlv320aic3110" },
1430         { .compatible = "ti,tlv320aic3120" },
1431         { .compatible = "ti,tlv320aic3111" },
1432         { .compatible = "ti,tlv320dac3100" },
1433         { .compatible = "ti,tlv320dac3101" },
1434         {},
1435 };
1436 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1437 #endif /* CONFIG_OF */
1438
1439 #ifdef CONFIG_ACPI
1440 static const struct acpi_device_id aic31xx_acpi_match[] = {
1441         { "10TI3100", 0 },
1442         { }
1443 };
1444 MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1445 #endif
1446
1447 static irqreturn_t aic31xx_irq(int irq, void *data)
1448 {
1449         struct aic31xx_priv *aic31xx = data;
1450         struct device *dev = aic31xx->dev;
1451         unsigned int value;
1452         bool handled = false;
1453         int ret;
1454
1455         ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG, &value);
1456         if (ret) {
1457                 dev_err(dev, "Failed to read interrupt mask: %d\n", ret);
1458                 goto exit;
1459         }
1460
1461         if (value)
1462                 handled = true;
1463         else
1464                 goto read_overflow;
1465
1466         if (value & AIC31XX_HPLSCDETECT)
1467                 dev_err(dev, "Short circuit on Left output is detected\n");
1468         if (value & AIC31XX_HPRSCDETECT)
1469                 dev_err(dev, "Short circuit on Right output is detected\n");
1470         if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) {
1471                 unsigned int val;
1472                 int status = 0;
1473
1474                 ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2,
1475                                   &val);
1476                 if (ret) {
1477                         dev_err(dev, "Failed to read interrupt mask: %d\n",
1478                                 ret);
1479                         goto exit;
1480                 }
1481
1482                 if (val & AIC31XX_BUTTONPRESS)
1483                         status |= SND_JACK_BTN_0;
1484
1485                 ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val);
1486                 if (ret) {
1487                         dev_err(dev, "Failed to read headset type: %d\n", ret);
1488                         goto exit;
1489                 }
1490
1491                 switch ((val & AIC31XX_HSD_TYPE_MASK) >>
1492                         AIC31XX_HSD_TYPE_SHIFT) {
1493                 case AIC31XX_HSD_HP:
1494                         status |= SND_JACK_HEADPHONE;
1495                         break;
1496                 case AIC31XX_HSD_HS:
1497                         status |= SND_JACK_HEADSET;
1498                         break;
1499                 default:
1500                         break;
1501                 }
1502
1503                 if (aic31xx->jack)
1504                         snd_soc_jack_report(aic31xx->jack, status,
1505                                             AIC31XX_JACK_MASK);
1506         }
1507         if (value & ~(AIC31XX_HPLSCDETECT |
1508                       AIC31XX_HPRSCDETECT |
1509                       AIC31XX_HSPLUG |
1510                       AIC31XX_BUTTONPRESS))
1511                 dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);
1512
1513 read_overflow:
1514         ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value);
1515         if (ret) {
1516                 dev_err(dev, "Failed to read overflow flag: %d\n", ret);
1517                 goto exit;
1518         }
1519
1520         if (value)
1521                 handled = true;
1522         else
1523                 goto exit;
1524
1525         if (value & AIC31XX_DAC_OF_LEFT)
1526                 dev_warn(dev, "Left-channel DAC overflow has occurred\n");
1527         if (value & AIC31XX_DAC_OF_RIGHT)
1528                 dev_warn(dev, "Right-channel DAC overflow has occurred\n");
1529         if (value & AIC31XX_DAC_OF_SHIFTER)
1530                 dev_warn(dev, "DAC barrel shifter overflow has occurred\n");
1531         if (value & AIC31XX_ADC_OF)
1532                 dev_warn(dev, "ADC overflow has occurred\n");
1533         if (value & AIC31XX_ADC_OF_SHIFTER)
1534                 dev_warn(dev, "ADC barrel shifter overflow has occurred\n");
1535         if (value & ~(AIC31XX_DAC_OF_LEFT |
1536                       AIC31XX_DAC_OF_RIGHT |
1537                       AIC31XX_DAC_OF_SHIFTER |
1538                       AIC31XX_ADC_OF |
1539                       AIC31XX_ADC_OF_SHIFTER))
1540                 dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value);
1541
1542 exit:
1543         if (handled)
1544                 return IRQ_HANDLED;
1545         else
1546                 return IRQ_NONE;
1547 }
1548
1549 static void aic31xx_configure_ocmv(struct aic31xx_priv *priv)
1550 {
1551         struct device *dev = priv->dev;
1552         int dvdd, avdd;
1553         u32 value;
1554
1555         if (dev->fwnode &&
1556             fwnode_property_read_u32(dev->fwnode, "ai31xx-ocmv", &value)) {
1557                 /* OCMV setting is forced by DT */
1558                 if (value <= 3) {
1559                         priv->ocmv = value;
1560                         return;
1561                 }
1562         }
1563
1564         avdd = regulator_get_voltage(priv->supplies[3].consumer);
1565         dvdd = regulator_get_voltage(priv->supplies[5].consumer);
1566
1567         if (avdd > 3600000 || dvdd > 1950000) {
1568                 dev_warn(dev,
1569                          "Too high supply voltage(s) AVDD: %d, DVDD: %d\n",
1570                          avdd, dvdd);
1571         } else if (avdd == 3600000 && dvdd == 1950000) {
1572                 priv->ocmv = AIC31XX_HPD_OCMV_1_8V;
1573         } else if (avdd >= 3300000 && dvdd >= 1800000) {
1574                 priv->ocmv = AIC31XX_HPD_OCMV_1_65V;
1575         } else if (avdd >= 3000000 && dvdd >= 1650000) {
1576                 priv->ocmv = AIC31XX_HPD_OCMV_1_5V;
1577         } else if (avdd >= 2700000 && dvdd >= 1525000) {
1578                 priv->ocmv = AIC31XX_HPD_OCMV_1_35V;
1579         } else {
1580                 dev_warn(dev,
1581                          "Invalid supply voltage(s) AVDD: %d, DVDD: %d\n",
1582                          avdd, dvdd);
1583         }
1584 }
1585
1586 static int aic31xx_i2c_probe(struct i2c_client *i2c,
1587                              const struct i2c_device_id *id)
1588 {
1589         struct aic31xx_priv *aic31xx;
1590         unsigned int micbias_value = MICBIAS_2_0V;
1591         int i, ret;
1592
1593         dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
1594                 id->name, (int)id->driver_data);
1595
1596         aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
1597         if (!aic31xx)
1598                 return -ENOMEM;
1599
1600         aic31xx->regmap = devm_regmap_init_i2c(i2c, &aic31xx_i2c_regmap);
1601         if (IS_ERR(aic31xx->regmap)) {
1602                 ret = PTR_ERR(aic31xx->regmap);
1603                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1604                         ret);
1605                 return ret;
1606         }
1607         aic31xx->dev = &i2c->dev;
1608         aic31xx->irq = i2c->irq;
1609
1610         aic31xx->codec_type = id->driver_data;
1611
1612         dev_set_drvdata(aic31xx->dev, aic31xx);
1613
1614         fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg",
1615                                  &micbias_value);
1616         switch (micbias_value) {
1617         case MICBIAS_2_0V:
1618         case MICBIAS_2_5V:
1619         case MICBIAS_AVDDV:
1620                 aic31xx->micbias_vg = micbias_value;
1621                 break;
1622         default:
1623                 dev_err(aic31xx->dev, "Bad ai31xx-micbias-vg value %d\n",
1624                         micbias_value);
1625                 aic31xx->micbias_vg = MICBIAS_2_0V;
1626         }
1627
1628         if (dev_get_platdata(aic31xx->dev)) {
1629                 memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), sizeof(aic31xx->pdata));
1630                 aic31xx->codec_type = aic31xx->pdata.codec_type;
1631                 aic31xx->micbias_vg = aic31xx->pdata.micbias_vg;
1632         }
1633
1634         aic31xx->gpio_reset = devm_gpiod_get_optional(aic31xx->dev, "reset",
1635                                                       GPIOD_OUT_LOW);
1636         if (IS_ERR(aic31xx->gpio_reset)) {
1637                 if (PTR_ERR(aic31xx->gpio_reset) != -EPROBE_DEFER)
1638                         dev_err(aic31xx->dev, "not able to acquire gpio\n");
1639                 return PTR_ERR(aic31xx->gpio_reset);
1640         }
1641
1642         for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1643                 aic31xx->supplies[i].supply = aic31xx_supply_names[i];
1644
1645         ret = devm_regulator_bulk_get(aic31xx->dev,
1646                                       ARRAY_SIZE(aic31xx->supplies),
1647                                       aic31xx->supplies);
1648         if (ret) {
1649                 if (ret != -EPROBE_DEFER)
1650                         dev_err(aic31xx->dev,
1651                                 "Failed to request supplies: %d\n", ret);
1652                 return ret;
1653         }
1654
1655         aic31xx_configure_ocmv(aic31xx);
1656
1657         if (aic31xx->irq > 0) {
1658                 regmap_update_bits(aic31xx->regmap, AIC31XX_GPIO1,
1659                                    AIC31XX_GPIO1_FUNC_MASK,
1660                                    AIC31XX_GPIO1_INT1 <<
1661                                    AIC31XX_GPIO1_FUNC_SHIFT);
1662
1663                 regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
1664                              AIC31XX_HSPLUGDET |
1665                              AIC31XX_BUTTONPRESSDET |
1666                              AIC31XX_SC |
1667                              AIC31XX_ENGINE);
1668
1669                 ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq,
1670                                                 NULL, aic31xx_irq,
1671                                                 IRQF_ONESHOT, "aic31xx-irq",
1672                                                 aic31xx);
1673                 if (ret) {
1674                         dev_err(aic31xx->dev, "Unable to request IRQ\n");
1675                         return ret;
1676                 }
1677         }
1678
1679         if (aic31xx->codec_type & DAC31XX_BIT)
1680                 return devm_snd_soc_register_component(&i2c->dev,
1681                                 &soc_codec_driver_aic31xx,
1682                                 dac31xx_dai_driver,
1683                                 ARRAY_SIZE(dac31xx_dai_driver));
1684         else
1685                 return devm_snd_soc_register_component(&i2c->dev,
1686                                 &soc_codec_driver_aic31xx,
1687                                 aic31xx_dai_driver,
1688                                 ARRAY_SIZE(aic31xx_dai_driver));
1689 }
1690
1691 static const struct i2c_device_id aic31xx_i2c_id[] = {
1692         { "tlv320aic310x", AIC3100 },
1693         { "tlv320aic311x", AIC3110 },
1694         { "tlv320aic3100", AIC3100 },
1695         { "tlv320aic3110", AIC3110 },
1696         { "tlv320aic3120", AIC3120 },
1697         { "tlv320aic3111", AIC3111 },
1698         { "tlv320dac3100", DAC3100 },
1699         { "tlv320dac3101", DAC3101 },
1700         { }
1701 };
1702 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1703
1704 static struct i2c_driver aic31xx_i2c_driver = {
1705         .driver = {
1706                 .name   = "tlv320aic31xx-codec",
1707                 .of_match_table = of_match_ptr(tlv320aic31xx_of_match),
1708                 .acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
1709         },
1710         .probe          = aic31xx_i2c_probe,
1711         .id_table       = aic31xx_i2c_id,
1712 };
1713 module_i2c_driver(aic31xx_i2c_driver);
1714
1715 MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>");
1716 MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver");
1717 MODULE_LICENSE("GPL v2");