root/sound/soc/codecs/tlv320aic31xx.c

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DEFINITIONS

This source file includes following definitions.
  1. aic31xx_volatile
  2. aic31xx_writeable
  3. aic31xx_wait_bits
  4. aic31xx_dapm_power_event
  5. mic_bias_event
  6. aic31xx_add_controls
  7. aic31xx_add_widgets
  8. aic31xx_setup_pll
  9. aic31xx_hw_params
  10. aic31xx_dac_mute
  11. aic31xx_clock_master_routes
  12. aic31xx_set_dai_fmt
  13. aic31xx_set_dai_sysclk
  14. aic31xx_regulator_event
  15. aic31xx_reset
  16. aic31xx_clk_on
  17. aic31xx_clk_off
  18. aic31xx_power_on
  19. aic31xx_power_off
  20. aic31xx_set_bias_level
  21. aic31xx_set_jack
  22. aic31xx_codec_probe
  23. aic31xx_irq
  24. aic31xx_i2c_probe

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * ALSA SoC TLV320AIC31xx CODEC Driver
   4  *
   5  * Copyright (C) 2014-2017 Texas Instruments Incorporated - http://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 };
 175 
 176 struct aic31xx_rate_divs {
 177         u32 mclk_p;
 178         u32 rate;
 179         u8 pll_j;
 180         u16 pll_d;
 181         u16 dosr;
 182         u8 ndac;
 183         u8 mdac;
 184         u8 aosr;
 185         u8 nadc;
 186         u8 madc;
 187 };
 188 
 189 /* ADC dividers can be disabled by configuring them to 0 */
 190 static const struct aic31xx_rate_divs aic31xx_divs[] = {
 191         /* mclk/p    rate  pll: j     d        dosr ndac mdac  aors nadc madc */
 192         /* 8k rate */
 193         {12000000,   8000,      8, 1920,        128,  48,  2,   128,  48,  2},
 194         {12000000,   8000,      8, 1920,        128,  32,  3,   128,  32,  3},
 195         {12500000,   8000,      7, 8643,        128,  48,  2,   128,  48,  2},
 196         /* 11.025k rate */
 197         {12000000,  11025,      7, 5264,        128,  32,  2,   128,  32,  2},
 198         {12000000,  11025,      8, 4672,        128,  24,  3,   128,  24,  3},
 199         {12500000,  11025,      7, 2253,        128,  32,  2,   128,  32,  2},
 200         /* 16k rate */
 201         {12000000,  16000,      8, 1920,        128,  24,  2,   128,  24,  2},
 202         {12000000,  16000,      8, 1920,        128,  16,  3,   128,  16,  3},
 203         {12500000,  16000,      7, 8643,        128,  24,  2,   128,  24,  2},
 204         /* 22.05k rate */
 205         {12000000,  22050,      7, 5264,        128,  16,  2,   128,  16,  2},
 206         {12000000,  22050,      8, 4672,        128,  12,  3,   128,  12,  3},
 207         {12500000,  22050,      7, 2253,        128,  16,  2,   128,  16,  2},
 208         /* 32k rate */
 209         {12000000,  32000,      8, 1920,        128,  12,  2,   128,  12,  2},
 210         {12000000,  32000,      8, 1920,        128,   8,  3,   128,   8,  3},
 211         {12500000,  32000,      7, 8643,        128,  12,  2,   128,  12,  2},
 212         /* 44.1k rate */
 213         {12000000,  44100,      7, 5264,        128,   8,  2,   128,   8,  2},
 214         {12000000,  44100,      8, 4672,        128,   6,  3,   128,   6,  3},
 215         {12500000,  44100,      7, 2253,        128,   8,  2,   128,   8,  2},
 216         /* 48k rate */
 217         {12000000,  48000,      8, 1920,        128,   8,  2,   128,   8,  2},
 218         {12000000,  48000,      7, 6800,         96,   5,  4,    96,   5,  4},
 219         {12500000,  48000,      7, 8643,        128,   8,  2,   128,   8,  2},
 220         /* 88.2k rate */
 221         {12000000,  88200,      7, 5264,         64,   8,  2,    64,   8,  2},
 222         {12000000,  88200,      8, 4672,         64,   6,  3,    64,   6,  3},
 223         {12500000,  88200,      7, 2253,         64,   8,  2,    64,   8,  2},
 224         /* 96k rate */
 225         {12000000,  96000,      8, 1920,         64,   8,  2,    64,   8,  2},
 226         {12000000,  96000,      7, 6800,         48,   5,  4,    48,   5,  4},
 227         {12500000,  96000,      7, 8643,         64,   8,  2,    64,   8,  2},
 228         /* 176.4k rate */
 229         {12000000, 176400,      7, 5264,         32,   8,  2,    32,   8,  2},
 230         {12000000, 176400,      8, 4672,         32,   6,  3,    32,   6,  3},
 231         {12500000, 176400,      7, 2253,         32,   8,  2,    32,   8,  2},
 232         /* 192k rate */
 233         {12000000, 192000,      8, 1920,         32,   8,  2,    32,   8,  2},
 234         {12000000, 192000,      7, 6800,         24,   5,  4,    24,   5,  4},
 235         {12500000, 192000,      7, 8643,         32,   8,  2,    32,   8,  2},
 236 };
 237 
 238 static const char * const ldac_in_text[] = {
 239         "Off", "Left Data", "Right Data", "Mono"
 240 };
 241 
 242 static const char * const rdac_in_text[] = {
 243         "Off", "Right Data", "Left Data", "Mono"
 244 };
 245 
 246 static SOC_ENUM_SINGLE_DECL(ldac_in_enum, AIC31XX_DACSETUP, 4, ldac_in_text);
 247 
 248 static SOC_ENUM_SINGLE_DECL(rdac_in_enum, AIC31XX_DACSETUP, 2, rdac_in_text);
 249 
 250 static const char * const mic_select_text[] = {
 251         "Off", "FFR 10 Ohm", "FFR 20 Ohm", "FFR 40 Ohm"
 252 };
 253 
 254 static SOC_ENUM_SINGLE_DECL(mic1lp_p_enum, AIC31XX_MICPGAPI, 6,
 255         mic_select_text);
 256 static SOC_ENUM_SINGLE_DECL(mic1rp_p_enum, AIC31XX_MICPGAPI, 4,
 257         mic_select_text);
 258 static SOC_ENUM_SINGLE_DECL(mic1lm_p_enum, AIC31XX_MICPGAPI, 2,
 259         mic_select_text);
 260 
 261 static SOC_ENUM_SINGLE_DECL(mic1lm_m_enum, AIC31XX_MICPGAMI, 4,
 262         mic_select_text);
 263 
 264 static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -6350, 50, 0);
 265 static const DECLARE_TLV_DB_SCALE(adc_fgain_tlv, 0, 10, 0);
 266 static const DECLARE_TLV_DB_SCALE(adc_cgain_tlv, -2000, 50, 0);
 267 static const DECLARE_TLV_DB_SCALE(mic_pga_tlv, 0, 50, 0);
 268 static const DECLARE_TLV_DB_SCALE(hp_drv_tlv, 0, 100, 0);
 269 static const DECLARE_TLV_DB_SCALE(class_D_drv_tlv, 600, 600, 0);
 270 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -6350, 50, 0);
 271 static const DECLARE_TLV_DB_SCALE(sp_vol_tlv, -6350, 50, 0);
 272 
 273 /*
 274  * controls to be exported to the user space
 275  */
 276 static 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 
 289 static 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 
 301 static 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 
 311 static 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 
 321 static const struct snd_kcontrol_new ldac_in_control =
 322         SOC_DAPM_ENUM("DAC Left Input", ldac_in_enum);
 323 
 324 static const struct snd_kcontrol_new rdac_in_control =
 325         SOC_DAPM_ENUM("DAC Right Input", rdac_in_enum);
 326 
 327 static 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 
 352 static int aic31xx_dapm_power_event(struct snd_soc_dapm_widget *w,
 353                                     struct snd_kcontrol *kcontrol, int event)
 354 {
 355         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 356         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 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(component->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(component->dev,
 396                         "Unhandled dapm widget event %d from %s\n",
 397                         event, w->name);
 398         }
 399         return 0;
 400 }
 401 
 402 static 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 
 408 static 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 
 413 static 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 
 419 static 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 
 424 static const struct snd_kcontrol_new p_term_mic1lp =
 425         SOC_DAPM_ENUM("MIC1LP P-Terminal", mic1lp_p_enum);
 426 
 427 static const struct snd_kcontrol_new p_term_mic1rp =
 428         SOC_DAPM_ENUM("MIC1RP P-Terminal", mic1rp_p_enum);
 429 
 430 static const struct snd_kcontrol_new p_term_mic1lm =
 431         SOC_DAPM_ENUM("MIC1LM P-Terminal", mic1lm_p_enum);
 432 
 433 static const struct snd_kcontrol_new m_term_mic1lm =
 434         SOC_DAPM_ENUM("MIC1LM M-Terminal", mic1lm_m_enum);
 435 
 436 static const struct snd_kcontrol_new aic31xx_dapm_hpl_switch =
 437         SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGHPL, 7, 1, 0);
 438 
 439 static const struct snd_kcontrol_new aic31xx_dapm_hpr_switch =
 440         SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGHPR, 7, 1, 0);
 441 
 442 static const struct snd_kcontrol_new aic31xx_dapm_spl_switch =
 443         SOC_DAPM_SINGLE("Switch", AIC31XX_LANALOGSPL, 7, 1, 0);
 444 
 445 static const struct snd_kcontrol_new aic31xx_dapm_spr_switch =
 446         SOC_DAPM_SINGLE("Switch", AIC31XX_RANALOGSPR, 7, 1, 0);
 447 
 448 static int mic_bias_event(struct snd_soc_dapm_widget *w,
 449                           struct snd_kcontrol *kcontrol, int event)
 450 {
 451         struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
 452         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 453 
 454         switch (event) {
 455         case SND_SOC_DAPM_POST_PMU:
 456                 /* change mic bias voltage to user defined */
 457                 snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
 458                                     AIC31XX_MICBIAS_MASK,
 459                                     aic31xx->micbias_vg <<
 460                                     AIC31XX_MICBIAS_SHIFT);
 461                 dev_dbg(component->dev, "%s: turned on\n", __func__);
 462                 break;
 463         case SND_SOC_DAPM_PRE_PMD:
 464                 /* turn mic bias off */
 465                 snd_soc_component_update_bits(component, AIC31XX_MICBIAS,
 466                                     AIC31XX_MICBIAS_MASK, 0);
 467                 dev_dbg(component->dev, "%s: turned off\n", __func__);
 468                 break;
 469         }
 470         return 0;
 471 }
 472 
 473 static const struct snd_soc_dapm_widget common31xx_dapm_widgets[] = {
 474         SND_SOC_DAPM_AIF_IN("AIF IN", "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         /* Keep BCLK/WCLK enabled even if DAC/ADC is powered down */
 508         SND_SOC_DAPM_SUPPLY("Activate I2S clocks", AIC31XX_IFACE2, 2, 0,
 509                             NULL, 0),
 510 
 511         /* Outputs */
 512         SND_SOC_DAPM_OUTPUT("HPL"),
 513         SND_SOC_DAPM_OUTPUT("HPR"),
 514 };
 515 
 516 static const struct snd_soc_dapm_widget dac31xx_dapm_widgets[] = {
 517         /* Inputs */
 518         SND_SOC_DAPM_INPUT("AIN1"),
 519         SND_SOC_DAPM_INPUT("AIN2"),
 520 
 521         /* Output Mixers */
 522         SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
 523                            dac31xx_left_output_switches,
 524                            ARRAY_SIZE(dac31xx_left_output_switches)),
 525         SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
 526                            dac31xx_right_output_switches,
 527                            ARRAY_SIZE(dac31xx_right_output_switches)),
 528 };
 529 
 530 static const struct snd_soc_dapm_widget aic31xx_dapm_widgets[] = {
 531         /* Inputs */
 532         SND_SOC_DAPM_INPUT("MIC1LP"),
 533         SND_SOC_DAPM_INPUT("MIC1RP"),
 534         SND_SOC_DAPM_INPUT("MIC1LM"),
 535 
 536         /* Input Selection to MIC_PGA */
 537         SND_SOC_DAPM_MUX("MIC1LP P-Terminal", SND_SOC_NOPM, 0, 0,
 538                          &p_term_mic1lp),
 539         SND_SOC_DAPM_MUX("MIC1RP P-Terminal", SND_SOC_NOPM, 0, 0,
 540                          &p_term_mic1rp),
 541         SND_SOC_DAPM_MUX("MIC1LM P-Terminal", SND_SOC_NOPM, 0, 0,
 542                          &p_term_mic1lm),
 543 
 544         /* ADC */
 545         SND_SOC_DAPM_ADC_E("ADC", "Capture", AIC31XX_ADCSETUP, 7, 0,
 546                            aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 547                            SND_SOC_DAPM_POST_PMD),
 548 
 549         SND_SOC_DAPM_MUX("MIC1LM M-Terminal", SND_SOC_NOPM, 0, 0,
 550                          &m_term_mic1lm),
 551 
 552         /* Enabling & Disabling MIC Gain Ctl */
 553         SND_SOC_DAPM_PGA("MIC_GAIN_CTL", AIC31XX_MICPGA,
 554                          7, 1, NULL, 0),
 555 
 556         /* Output Mixers */
 557         SND_SOC_DAPM_MIXER("Output Left", SND_SOC_NOPM, 0, 0,
 558                            aic31xx_left_output_switches,
 559                            ARRAY_SIZE(aic31xx_left_output_switches)),
 560         SND_SOC_DAPM_MIXER("Output Right", SND_SOC_NOPM, 0, 0,
 561                            aic31xx_right_output_switches,
 562                            ARRAY_SIZE(aic31xx_right_output_switches)),
 563 
 564         SND_SOC_DAPM_AIF_OUT("AIF OUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
 565 };
 566 
 567 static const struct snd_soc_dapm_widget aic311x_dapm_widgets[] = {
 568         /* AIC3111 and AIC3110 have stereo class-D amplifier */
 569         SND_SOC_DAPM_OUT_DRV_E("SPL ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
 570                                aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 571                                SND_SOC_DAPM_POST_PMD),
 572         SND_SOC_DAPM_OUT_DRV_E("SPR ClassD", AIC31XX_SPKAMP, 6, 0, NULL, 0,
 573                                aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 574                                SND_SOC_DAPM_POST_PMD),
 575         SND_SOC_DAPM_SWITCH("Speaker Left", SND_SOC_NOPM, 0, 0,
 576                             &aic31xx_dapm_spl_switch),
 577         SND_SOC_DAPM_SWITCH("Speaker Right", SND_SOC_NOPM, 0, 0,
 578                             &aic31xx_dapm_spr_switch),
 579         SND_SOC_DAPM_OUTPUT("SPL"),
 580         SND_SOC_DAPM_OUTPUT("SPR"),
 581 };
 582 
 583 /* AIC3100 and AIC3120 have only mono class-D amplifier */
 584 static const struct snd_soc_dapm_widget aic310x_dapm_widgets[] = {
 585         SND_SOC_DAPM_OUT_DRV_E("SPK ClassD", AIC31XX_SPKAMP, 7, 0, NULL, 0,
 586                                aic31xx_dapm_power_event, SND_SOC_DAPM_POST_PMU |
 587                                SND_SOC_DAPM_POST_PMD),
 588         SND_SOC_DAPM_SWITCH("Speaker", SND_SOC_NOPM, 0, 0,
 589                             &aic31xx_dapm_spl_switch),
 590         SND_SOC_DAPM_OUTPUT("SPK"),
 591 };
 592 
 593 static const struct snd_soc_dapm_route
 594 common31xx_audio_map[] = {
 595         /* DAC Input Routing */
 596         {"DAC Left Input", "Left Data", "AIF IN"},
 597         {"DAC Left Input", "Right Data", "AIF IN"},
 598         {"DAC Left Input", "Mono", "AIF IN"},
 599         {"DAC Right Input", "Left Data", "AIF IN"},
 600         {"DAC Right Input", "Right Data", "AIF IN"},
 601         {"DAC Right Input", "Mono", "AIF IN"},
 602         {"DAC Left", NULL, "DAC Left Input"},
 603         {"DAC Right", NULL, "DAC Right Input"},
 604 
 605         /* HPL path */
 606         {"HP Left", "Switch", "Output Left"},
 607         {"HPL Driver", NULL, "HP Left"},
 608         {"HPL", NULL, "HPL Driver"},
 609 
 610         /* HPR path */
 611         {"HP Right", "Switch", "Output Right"},
 612         {"HPR Driver", NULL, "HP Right"},
 613         {"HPR", NULL, "HPR Driver"},
 614 };
 615 
 616 static const struct snd_soc_dapm_route
 617 dac31xx_audio_map[] = {
 618         /* Left Output */
 619         {"Output Left", "From Left DAC", "DAC Left"},
 620         {"Output Left", "From AIN1", "AIN1"},
 621         {"Output Left", "From AIN2", "AIN2"},
 622 
 623         /* Right Output */
 624         {"Output Right", "From Right DAC", "DAC Right"},
 625         {"Output Right", "From AIN2", "AIN2"},
 626 };
 627 
 628 static const struct snd_soc_dapm_route
 629 aic31xx_audio_map[] = {
 630         /* Mic input */
 631         {"MIC1LP P-Terminal", "FFR 10 Ohm", "MIC1LP"},
 632         {"MIC1LP P-Terminal", "FFR 20 Ohm", "MIC1LP"},
 633         {"MIC1LP P-Terminal", "FFR 40 Ohm", "MIC1LP"},
 634         {"MIC1RP P-Terminal", "FFR 10 Ohm", "MIC1RP"},
 635         {"MIC1RP P-Terminal", "FFR 20 Ohm", "MIC1RP"},
 636         {"MIC1RP P-Terminal", "FFR 40 Ohm", "MIC1RP"},
 637         {"MIC1LM P-Terminal", "FFR 10 Ohm", "MIC1LM"},
 638         {"MIC1LM P-Terminal", "FFR 20 Ohm", "MIC1LM"},
 639         {"MIC1LM P-Terminal", "FFR 40 Ohm", "MIC1LM"},
 640 
 641         {"MIC1LM M-Terminal", "FFR 10 Ohm", "MIC1LM"},
 642         {"MIC1LM M-Terminal", "FFR 20 Ohm", "MIC1LM"},
 643         {"MIC1LM M-Terminal", "FFR 40 Ohm", "MIC1LM"},
 644 
 645         {"MIC_GAIN_CTL", NULL, "MIC1LP P-Terminal"},
 646         {"MIC_GAIN_CTL", NULL, "MIC1RP P-Terminal"},
 647         {"MIC_GAIN_CTL", NULL, "MIC1LM P-Terminal"},
 648         {"MIC_GAIN_CTL", NULL, "MIC1LM M-Terminal"},
 649 
 650         {"ADC", NULL, "MIC_GAIN_CTL"},
 651 
 652         {"AIF OUT", NULL, "ADC"},
 653 
 654         /* Left Output */
 655         {"Output Left", "From Left DAC", "DAC Left"},
 656         {"Output Left", "From MIC1LP", "MIC1LP"},
 657         {"Output Left", "From MIC1RP", "MIC1RP"},
 658 
 659         /* Right Output */
 660         {"Output Right", "From Right DAC", "DAC Right"},
 661         {"Output Right", "From MIC1RP", "MIC1RP"},
 662 };
 663 
 664 static const struct snd_soc_dapm_route
 665 aic311x_audio_map[] = {
 666         /* SP L path */
 667         {"Speaker Left", "Switch", "Output Left"},
 668         {"SPL ClassD", NULL, "Speaker Left"},
 669         {"SPL", NULL, "SPL ClassD"},
 670 
 671         /* SP R path */
 672         {"Speaker Right", "Switch", "Output Right"},
 673         {"SPR ClassD", NULL, "Speaker Right"},
 674         {"SPR", NULL, "SPR ClassD"},
 675 };
 676 
 677 static const struct snd_soc_dapm_route
 678 aic310x_audio_map[] = {
 679         /* SP L path */
 680         {"Speaker", "Switch", "Output Left"},
 681         {"SPK ClassD", NULL, "Speaker"},
 682         {"SPK", NULL, "SPK ClassD"},
 683 };
 684 
 685 /*
 686  * Always connected DAPM routes for codec clock master modes.
 687  * If the codec is the master on the I2S bus, we need to power up components
 688  * to have valid DAC_CLK.
 689  *
 690  * In order to have the I2S clocks on the bus either the DACs/ADC need to be
 691  * enabled, or the P0/R29/D2 (Keep bclk/wclk in power down) need to be set.
 692  *
 693  * Otherwise the codec will not generate clocks on the bus.
 694  */
 695 static const struct snd_soc_dapm_route
 696 common31xx_cm_audio_map[] = {
 697         {"HPL", NULL, "AIF IN"},
 698         {"HPR", NULL, "AIF IN"},
 699 
 700         {"AIF IN", NULL, "Activate I2S clocks"},
 701 };
 702 
 703 static const struct snd_soc_dapm_route
 704 aic31xx_cm_audio_map[] = {
 705         {"AIF OUT", NULL, "MIC1LP"},
 706         {"AIF OUT", NULL, "MIC1RP"},
 707         {"AIF OUT", NULL, "MIC1LM"},
 708 
 709         {"AIF OUT", NULL, "Activate I2S clocks"},
 710 };
 711 
 712 static int aic31xx_add_controls(struct snd_soc_component *component)
 713 {
 714         int ret = 0;
 715         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 716 
 717         if (!(aic31xx->codec_type & DAC31XX_BIT))
 718                 ret = snd_soc_add_component_controls(
 719                         component, aic31xx_snd_controls,
 720                         ARRAY_SIZE(aic31xx_snd_controls));
 721         if (ret)
 722                 return ret;
 723 
 724         if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT)
 725                 ret = snd_soc_add_component_controls(
 726                         component, aic311x_snd_controls,
 727                         ARRAY_SIZE(aic311x_snd_controls));
 728         else
 729                 ret = snd_soc_add_component_controls(
 730                         component, aic310x_snd_controls,
 731                         ARRAY_SIZE(aic310x_snd_controls));
 732 
 733         return ret;
 734 }
 735 
 736 static int aic31xx_add_widgets(struct snd_soc_component *component)
 737 {
 738         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 739         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 740         int ret = 0;
 741 
 742         if (aic31xx->codec_type & DAC31XX_BIT) {
 743                 ret = snd_soc_dapm_new_controls(
 744                         dapm, dac31xx_dapm_widgets,
 745                         ARRAY_SIZE(dac31xx_dapm_widgets));
 746                 if (ret)
 747                         return ret;
 748 
 749                 ret = snd_soc_dapm_add_routes(dapm, dac31xx_audio_map,
 750                                               ARRAY_SIZE(dac31xx_audio_map));
 751                 if (ret)
 752                         return ret;
 753         } else {
 754                 ret = snd_soc_dapm_new_controls(
 755                         dapm, aic31xx_dapm_widgets,
 756                         ARRAY_SIZE(aic31xx_dapm_widgets));
 757                 if (ret)
 758                         return ret;
 759 
 760                 ret = snd_soc_dapm_add_routes(dapm, aic31xx_audio_map,
 761                                               ARRAY_SIZE(aic31xx_audio_map));
 762                 if (ret)
 763                         return ret;
 764         }
 765 
 766         if (aic31xx->codec_type & AIC31XX_STEREO_CLASS_D_BIT) {
 767                 ret = snd_soc_dapm_new_controls(
 768                         dapm, aic311x_dapm_widgets,
 769                         ARRAY_SIZE(aic311x_dapm_widgets));
 770                 if (ret)
 771                         return ret;
 772 
 773                 ret = snd_soc_dapm_add_routes(dapm, aic311x_audio_map,
 774                                               ARRAY_SIZE(aic311x_audio_map));
 775                 if (ret)
 776                         return ret;
 777         } else {
 778                 ret = snd_soc_dapm_new_controls(
 779                         dapm, aic310x_dapm_widgets,
 780                         ARRAY_SIZE(aic310x_dapm_widgets));
 781                 if (ret)
 782                         return ret;
 783 
 784                 ret = snd_soc_dapm_add_routes(dapm, aic310x_audio_map,
 785                                               ARRAY_SIZE(aic310x_audio_map));
 786                 if (ret)
 787                         return ret;
 788         }
 789 
 790         return 0;
 791 }
 792 
 793 static int aic31xx_setup_pll(struct snd_soc_component *component,
 794                              struct snd_pcm_hw_params *params)
 795 {
 796         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 797         int bclk_score = snd_soc_params_to_frame_size(params);
 798         int mclk_p;
 799         int bclk_n = 0;
 800         int match = -1;
 801         int i;
 802 
 803         if (!aic31xx->sysclk || !aic31xx->p_div) {
 804                 dev_err(component->dev, "Master clock not supplied\n");
 805                 return -EINVAL;
 806         }
 807         mclk_p = aic31xx->sysclk / aic31xx->p_div;
 808 
 809         /* Use PLL as CODEC_CLKIN and DAC_CLK as BDIV_CLKIN */
 810         snd_soc_component_update_bits(component, AIC31XX_CLKMUX,
 811                             AIC31XX_CODEC_CLKIN_MASK, AIC31XX_CODEC_CLKIN_PLL);
 812         snd_soc_component_update_bits(component, AIC31XX_IFACE2,
 813                             AIC31XX_BDIVCLK_MASK, AIC31XX_DAC2BCLK);
 814 
 815         for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++) {
 816                 if (aic31xx_divs[i].rate == params_rate(params) &&
 817                     aic31xx_divs[i].mclk_p == mclk_p) {
 818                         int s = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) %
 819                                 snd_soc_params_to_frame_size(params);
 820                         int bn = (aic31xx_divs[i].dosr * aic31xx_divs[i].mdac) /
 821                                 snd_soc_params_to_frame_size(params);
 822                         if (s < bclk_score && bn > 0) {
 823                                 match = i;
 824                                 bclk_n = bn;
 825                                 bclk_score = s;
 826                         }
 827                 }
 828         }
 829 
 830         if (match == -1) {
 831                 dev_err(component->dev,
 832                         "%s: Sample rate (%u) and format not supported\n",
 833                         __func__, params_rate(params));
 834                 /* See bellow for details how fix this. */
 835                 return -EINVAL;
 836         }
 837         if (bclk_score != 0) {
 838                 dev_warn(component->dev, "Can not produce exact bitclock");
 839                 /* This is fine if using dsp format, but if using i2s
 840                    there may be trouble. To fix the issue edit the
 841                    aic31xx_divs table for your mclk and sample
 842                    rate. Details can be found from:
 843                    http://www.ti.com/lit/ds/symlink/tlv320aic3100.pdf
 844                    Section: 5.6 CLOCK Generation and PLL
 845                 */
 846         }
 847         i = match;
 848 
 849         /* PLL configuration */
 850         snd_soc_component_update_bits(component, AIC31XX_PLLPR, AIC31XX_PLL_MASK,
 851                             (aic31xx->p_div << 4) | 0x01);
 852         snd_soc_component_write(component, AIC31XX_PLLJ, aic31xx_divs[i].pll_j);
 853 
 854         snd_soc_component_write(component, AIC31XX_PLLDMSB,
 855                       aic31xx_divs[i].pll_d >> 8);
 856         snd_soc_component_write(component, AIC31XX_PLLDLSB,
 857                       aic31xx_divs[i].pll_d & 0xff);
 858 
 859         /* DAC dividers configuration */
 860         snd_soc_component_update_bits(component, AIC31XX_NDAC, AIC31XX_PLL_MASK,
 861                             aic31xx_divs[i].ndac);
 862         snd_soc_component_update_bits(component, AIC31XX_MDAC, AIC31XX_PLL_MASK,
 863                             aic31xx_divs[i].mdac);
 864 
 865         snd_soc_component_write(component, AIC31XX_DOSRMSB, aic31xx_divs[i].dosr >> 8);
 866         snd_soc_component_write(component, AIC31XX_DOSRLSB, aic31xx_divs[i].dosr & 0xff);
 867 
 868         /* ADC dividers configuration. Write reset value 1 if not used. */
 869         snd_soc_component_update_bits(component, AIC31XX_NADC, AIC31XX_PLL_MASK,
 870                             aic31xx_divs[i].nadc ? aic31xx_divs[i].nadc : 1);
 871         snd_soc_component_update_bits(component, AIC31XX_MADC, AIC31XX_PLL_MASK,
 872                             aic31xx_divs[i].madc ? aic31xx_divs[i].madc : 1);
 873 
 874         snd_soc_component_write(component, AIC31XX_AOSR, aic31xx_divs[i].aosr);
 875 
 876         /* Bit clock divider configuration. */
 877         snd_soc_component_update_bits(component, AIC31XX_BCLKN,
 878                             AIC31XX_PLL_MASK, bclk_n);
 879 
 880         aic31xx->rate_div_line = i;
 881 
 882         dev_dbg(component->dev,
 883                 "pll %d.%04d/%d dosr %d n %d m %d aosr %d n %d m %d bclk_n %d\n",
 884                 aic31xx_divs[i].pll_j,
 885                 aic31xx_divs[i].pll_d,
 886                 aic31xx->p_div,
 887                 aic31xx_divs[i].dosr,
 888                 aic31xx_divs[i].ndac,
 889                 aic31xx_divs[i].mdac,
 890                 aic31xx_divs[i].aosr,
 891                 aic31xx_divs[i].nadc,
 892                 aic31xx_divs[i].madc,
 893                 bclk_n
 894         );
 895 
 896         return 0;
 897 }
 898 
 899 static int aic31xx_hw_params(struct snd_pcm_substream *substream,
 900                              struct snd_pcm_hw_params *params,
 901                              struct snd_soc_dai *dai)
 902 {
 903         struct snd_soc_component *component = dai->component;
 904         u8 data = 0;
 905 
 906         dev_dbg(component->dev, "## %s: width %d rate %d\n",
 907                 __func__, params_width(params),
 908                 params_rate(params));
 909 
 910         switch (params_width(params)) {
 911         case 16:
 912                 break;
 913         case 20:
 914                 data = (AIC31XX_WORD_LEN_20BITS <<
 915                         AIC31XX_IFACE1_DATALEN_SHIFT);
 916                 break;
 917         case 24:
 918                 data = (AIC31XX_WORD_LEN_24BITS <<
 919                         AIC31XX_IFACE1_DATALEN_SHIFT);
 920                 break;
 921         case 32:
 922                 data = (AIC31XX_WORD_LEN_32BITS <<
 923                         AIC31XX_IFACE1_DATALEN_SHIFT);
 924                 break;
 925         default:
 926                 dev_err(component->dev, "%s: Unsupported width %d\n",
 927                         __func__, params_width(params));
 928                 return -EINVAL;
 929         }
 930 
 931         snd_soc_component_update_bits(component, AIC31XX_IFACE1,
 932                             AIC31XX_IFACE1_DATALEN_MASK,
 933                             data);
 934 
 935         return aic31xx_setup_pll(component, params);
 936 }
 937 
 938 static int aic31xx_dac_mute(struct snd_soc_dai *codec_dai, int mute)
 939 {
 940         struct snd_soc_component *component = codec_dai->component;
 941 
 942         if (mute) {
 943                 snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
 944                                     AIC31XX_DACMUTE_MASK,
 945                                     AIC31XX_DACMUTE_MASK);
 946         } else {
 947                 snd_soc_component_update_bits(component, AIC31XX_DACMUTE,
 948                                     AIC31XX_DACMUTE_MASK, 0x0);
 949         }
 950 
 951         return 0;
 952 }
 953 
 954 static int aic31xx_clock_master_routes(struct snd_soc_component *component,
 955                                        unsigned int fmt)
 956 {
 957         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
 958         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
 959         int ret;
 960 
 961         fmt &= SND_SOC_DAIFMT_MASTER_MASK;
 962         if (fmt == SND_SOC_DAIFMT_CBS_CFS &&
 963             aic31xx->master_dapm_route_applied) {
 964                 /*
 965                  * Remove the DAPM route(s) for codec clock master modes,
 966                  * if applied
 967                  */
 968                 ret = snd_soc_dapm_del_routes(dapm, common31xx_cm_audio_map,
 969                                         ARRAY_SIZE(common31xx_cm_audio_map));
 970                 if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
 971                         ret = snd_soc_dapm_del_routes(dapm,
 972                                         aic31xx_cm_audio_map,
 973                                         ARRAY_SIZE(aic31xx_cm_audio_map));
 974 
 975                 if (ret)
 976                         return ret;
 977 
 978                 aic31xx->master_dapm_route_applied = false;
 979         } else if (fmt != SND_SOC_DAIFMT_CBS_CFS &&
 980                    !aic31xx->master_dapm_route_applied) {
 981                 /*
 982                  * Add the needed DAPM route(s) for codec clock master modes,
 983                  * if it is not done already
 984                  */
 985                 ret = snd_soc_dapm_add_routes(dapm, common31xx_cm_audio_map,
 986                                         ARRAY_SIZE(common31xx_cm_audio_map));
 987                 if (!ret && !(aic31xx->codec_type & DAC31XX_BIT))
 988                         ret = snd_soc_dapm_add_routes(dapm,
 989                                         aic31xx_cm_audio_map,
 990                                         ARRAY_SIZE(aic31xx_cm_audio_map));
 991 
 992                 if (ret)
 993                         return ret;
 994 
 995                 aic31xx->master_dapm_route_applied = true;
 996         }
 997 
 998         return 0;
 999 }
1000 
1001 static int aic31xx_set_dai_fmt(struct snd_soc_dai *codec_dai,
1002                                unsigned int fmt)
1003 {
1004         struct snd_soc_component *component = codec_dai->component;
1005         u8 iface_reg1 = 0;
1006         u8 iface_reg2 = 0;
1007         u8 dsp_a_val = 0;
1008 
1009         dev_dbg(component->dev, "## %s: fmt = 0x%x\n", __func__, fmt);
1010 
1011         /* set master/slave audio interface */
1012         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1013         case SND_SOC_DAIFMT_CBM_CFM:
1014                 iface_reg1 |= AIC31XX_BCLK_MASTER | AIC31XX_WCLK_MASTER;
1015                 break;
1016         case SND_SOC_DAIFMT_CBS_CFM:
1017                 iface_reg1 |= AIC31XX_WCLK_MASTER;
1018                 break;
1019         case SND_SOC_DAIFMT_CBM_CFS:
1020                 iface_reg1 |= AIC31XX_BCLK_MASTER;
1021                 break;
1022         case SND_SOC_DAIFMT_CBS_CFS:
1023                 break;
1024         default:
1025                 dev_err(component->dev, "Invalid DAI master/slave interface\n");
1026                 return -EINVAL;
1027         }
1028 
1029         /* signal polarity */
1030         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1031         case SND_SOC_DAIFMT_NB_NF:
1032                 break;
1033         case SND_SOC_DAIFMT_IB_NF:
1034                 iface_reg2 |= AIC31XX_BCLKINV_MASK;
1035                 break;
1036         default:
1037                 dev_err(component->dev, "Invalid DAI clock signal polarity\n");
1038                 return -EINVAL;
1039         }
1040 
1041         /* interface format */
1042         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1043         case SND_SOC_DAIFMT_I2S:
1044                 break;
1045         case SND_SOC_DAIFMT_DSP_A:
1046                 dsp_a_val = 0x1; /* fall through */
1047         case SND_SOC_DAIFMT_DSP_B:
1048                 /*
1049                  * NOTE: This CODEC samples on the falling edge of BCLK in
1050                  * DSP mode, this is inverted compared to what most DAIs
1051                  * expect, so we invert for this mode
1052                  */
1053                 iface_reg2 ^= AIC31XX_BCLKINV_MASK;
1054                 iface_reg1 |= (AIC31XX_DSP_MODE <<
1055                                AIC31XX_IFACE1_DATATYPE_SHIFT);
1056                 break;
1057         case SND_SOC_DAIFMT_RIGHT_J:
1058                 iface_reg1 |= (AIC31XX_RIGHT_JUSTIFIED_MODE <<
1059                                AIC31XX_IFACE1_DATATYPE_SHIFT);
1060                 break;
1061         case SND_SOC_DAIFMT_LEFT_J:
1062                 iface_reg1 |= (AIC31XX_LEFT_JUSTIFIED_MODE <<
1063                                AIC31XX_IFACE1_DATATYPE_SHIFT);
1064                 break;
1065         default:
1066                 dev_err(component->dev, "Invalid DAI interface format\n");
1067                 return -EINVAL;
1068         }
1069 
1070         snd_soc_component_update_bits(component, AIC31XX_IFACE1,
1071                             AIC31XX_IFACE1_DATATYPE_MASK |
1072                             AIC31XX_IFACE1_MASTER_MASK,
1073                             iface_reg1);
1074         snd_soc_component_update_bits(component, AIC31XX_DATA_OFFSET,
1075                             AIC31XX_DATA_OFFSET_MASK,
1076                             dsp_a_val);
1077         snd_soc_component_update_bits(component, AIC31XX_IFACE2,
1078                             AIC31XX_BCLKINV_MASK,
1079                             iface_reg2);
1080 
1081         return aic31xx_clock_master_routes(component, fmt);
1082 }
1083 
1084 static int aic31xx_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1085                                   int clk_id, unsigned int freq, int dir)
1086 {
1087         struct snd_soc_component *component = codec_dai->component;
1088         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1089         int i;
1090 
1091         dev_dbg(component->dev, "## %s: clk_id = %d, freq = %d, dir = %d\n",
1092                 __func__, clk_id, freq, dir);
1093 
1094         for (i = 1; i < 8; i++)
1095                 if (freq / i <= 20000000)
1096                         break;
1097         if (freq/i > 20000000) {
1098                 dev_err(aic31xx->dev, "%s: Too high mclk frequency %u\n",
1099                         __func__, freq);
1100                 return -EINVAL;
1101         }
1102         aic31xx->p_div = i;
1103 
1104         for (i = 0; i < ARRAY_SIZE(aic31xx_divs); i++)
1105                 if (aic31xx_divs[i].mclk_p == freq / aic31xx->p_div)
1106                         break;
1107         if (i == ARRAY_SIZE(aic31xx_divs)) {
1108                 dev_err(aic31xx->dev, "%s: Unsupported frequency %d\n",
1109                         __func__, freq);
1110                 return -EINVAL;
1111         }
1112 
1113         /* set clock on MCLK, BCLK, or GPIO1 as PLL input */
1114         snd_soc_component_update_bits(component, AIC31XX_CLKMUX, AIC31XX_PLL_CLKIN_MASK,
1115                             clk_id << AIC31XX_PLL_CLKIN_SHIFT);
1116 
1117         aic31xx->sysclk = freq;
1118 
1119         return 0;
1120 }
1121 
1122 static int aic31xx_regulator_event(struct notifier_block *nb,
1123                                    unsigned long event, void *data)
1124 {
1125         struct aic31xx_disable_nb *disable_nb =
1126                 container_of(nb, struct aic31xx_disable_nb, nb);
1127         struct aic31xx_priv *aic31xx = disable_nb->aic31xx;
1128 
1129         if (event & REGULATOR_EVENT_DISABLE) {
1130                 /*
1131                  * Put codec to reset and as at least one of the
1132                  * supplies was disabled.
1133                  */
1134                 if (aic31xx->gpio_reset)
1135                         gpiod_set_value(aic31xx->gpio_reset, 1);
1136 
1137                 regcache_mark_dirty(aic31xx->regmap);
1138                 dev_dbg(aic31xx->dev, "## %s: DISABLE received\n", __func__);
1139         }
1140 
1141         return 0;
1142 }
1143 
1144 static int aic31xx_reset(struct aic31xx_priv *aic31xx)
1145 {
1146         int ret = 0;
1147 
1148         if (aic31xx->gpio_reset) {
1149                 gpiod_set_value(aic31xx->gpio_reset, 1);
1150                 ndelay(10); /* At least 10ns */
1151                 gpiod_set_value(aic31xx->gpio_reset, 0);
1152         } else {
1153                 ret = regmap_write(aic31xx->regmap, AIC31XX_RESET, 1);
1154         }
1155         mdelay(1); /* At least 1ms */
1156 
1157         return ret;
1158 }
1159 
1160 static void aic31xx_clk_on(struct snd_soc_component *component)
1161 {
1162         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1163         u8 mask = AIC31XX_PM_MASK;
1164         u8 on = AIC31XX_PM_MASK;
1165 
1166         dev_dbg(component->dev, "codec clock -> on (rate %d)\n",
1167                 aic31xx_divs[aic31xx->rate_div_line].rate);
1168         snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, on);
1169         mdelay(10);
1170         snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, on);
1171         snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, on);
1172         if (aic31xx_divs[aic31xx->rate_div_line].nadc)
1173                 snd_soc_component_update_bits(component, AIC31XX_NADC, mask, on);
1174         if (aic31xx_divs[aic31xx->rate_div_line].madc)
1175                 snd_soc_component_update_bits(component, AIC31XX_MADC, mask, on);
1176         snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, on);
1177 }
1178 
1179 static void aic31xx_clk_off(struct snd_soc_component *component)
1180 {
1181         u8 mask = AIC31XX_PM_MASK;
1182         u8 off = 0;
1183 
1184         dev_dbg(component->dev, "codec clock -> off\n");
1185         snd_soc_component_update_bits(component, AIC31XX_BCLKN, mask, off);
1186         snd_soc_component_update_bits(component, AIC31XX_MADC, mask, off);
1187         snd_soc_component_update_bits(component, AIC31XX_NADC, mask, off);
1188         snd_soc_component_update_bits(component, AIC31XX_MDAC, mask, off);
1189         snd_soc_component_update_bits(component, AIC31XX_NDAC, mask, off);
1190         snd_soc_component_update_bits(component, AIC31XX_PLLPR, mask, off);
1191 }
1192 
1193 static int aic31xx_power_on(struct snd_soc_component *component)
1194 {
1195         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1196         int ret;
1197 
1198         ret = regulator_bulk_enable(ARRAY_SIZE(aic31xx->supplies),
1199                                     aic31xx->supplies);
1200         if (ret)
1201                 return ret;
1202 
1203         regcache_cache_only(aic31xx->regmap, false);
1204 
1205         /* Reset device registers for a consistent power-on like state */
1206         ret = aic31xx_reset(aic31xx);
1207         if (ret < 0)
1208                 dev_err(aic31xx->dev, "Could not reset device: %d\n", ret);
1209 
1210         ret = regcache_sync(aic31xx->regmap);
1211         if (ret) {
1212                 dev_err(component->dev,
1213                         "Failed to restore cache: %d\n", ret);
1214                 regcache_cache_only(aic31xx->regmap, true);
1215                 regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1216                                        aic31xx->supplies);
1217                 return ret;
1218         }
1219 
1220         return 0;
1221 }
1222 
1223 static void aic31xx_power_off(struct snd_soc_component *component)
1224 {
1225         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1226 
1227         regcache_cache_only(aic31xx->regmap, true);
1228         regulator_bulk_disable(ARRAY_SIZE(aic31xx->supplies),
1229                                aic31xx->supplies);
1230 }
1231 
1232 static int aic31xx_set_bias_level(struct snd_soc_component *component,
1233                                   enum snd_soc_bias_level level)
1234 {
1235         dev_dbg(component->dev, "## %s: %d -> %d\n", __func__,
1236                 snd_soc_component_get_bias_level(component), level);
1237 
1238         switch (level) {
1239         case SND_SOC_BIAS_ON:
1240                 break;
1241         case SND_SOC_BIAS_PREPARE:
1242                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1243                         aic31xx_clk_on(component);
1244                 break;
1245         case SND_SOC_BIAS_STANDBY:
1246                 switch (snd_soc_component_get_bias_level(component)) {
1247                 case SND_SOC_BIAS_OFF:
1248                         aic31xx_power_on(component);
1249                         break;
1250                 case SND_SOC_BIAS_PREPARE:
1251                         aic31xx_clk_off(component);
1252                         break;
1253                 default:
1254                         BUG();
1255                 }
1256                 break;
1257         case SND_SOC_BIAS_OFF:
1258                 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY)
1259                         aic31xx_power_off(component);
1260                 break;
1261         }
1262 
1263         return 0;
1264 }
1265 
1266 static int aic31xx_set_jack(struct snd_soc_component *component,
1267                             struct snd_soc_jack *jack, void *data)
1268 {
1269         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1270 
1271         aic31xx->jack = jack;
1272 
1273         /* Enable/Disable jack detection */
1274         regmap_write(aic31xx->regmap, AIC31XX_HSDETECT,
1275                      jack ? AIC31XX_HSD_ENABLE : 0);
1276 
1277         return 0;
1278 }
1279 
1280 static int aic31xx_codec_probe(struct snd_soc_component *component)
1281 {
1282         struct aic31xx_priv *aic31xx = snd_soc_component_get_drvdata(component);
1283         int i, ret;
1284 
1285         dev_dbg(aic31xx->dev, "## %s\n", __func__);
1286 
1287         aic31xx->component = component;
1288 
1289         for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++) {
1290                 aic31xx->disable_nb[i].nb.notifier_call =
1291                         aic31xx_regulator_event;
1292                 aic31xx->disable_nb[i].aic31xx = aic31xx;
1293                 ret = devm_regulator_register_notifier(
1294                                                 aic31xx->supplies[i].consumer,
1295                                                 &aic31xx->disable_nb[i].nb);
1296                 if (ret) {
1297                         dev_err(component->dev,
1298                                 "Failed to request regulator notifier: %d\n",
1299                                 ret);
1300                         return ret;
1301                 }
1302         }
1303 
1304         regcache_cache_only(aic31xx->regmap, true);
1305         regcache_mark_dirty(aic31xx->regmap);
1306 
1307         ret = aic31xx_add_controls(component);
1308         if (ret)
1309                 return ret;
1310 
1311         ret = aic31xx_add_widgets(component);
1312         if (ret)
1313                 return ret;
1314 
1315         return 0;
1316 }
1317 
1318 static const struct snd_soc_component_driver soc_codec_driver_aic31xx = {
1319         .probe                  = aic31xx_codec_probe,
1320         .set_jack               = aic31xx_set_jack,
1321         .set_bias_level         = aic31xx_set_bias_level,
1322         .controls               = common31xx_snd_controls,
1323         .num_controls           = ARRAY_SIZE(common31xx_snd_controls),
1324         .dapm_widgets           = common31xx_dapm_widgets,
1325         .num_dapm_widgets       = ARRAY_SIZE(common31xx_dapm_widgets),
1326         .dapm_routes            = common31xx_audio_map,
1327         .num_dapm_routes        = ARRAY_SIZE(common31xx_audio_map),
1328         .suspend_bias_off       = 1,
1329         .idle_bias_on           = 1,
1330         .use_pmdown_time        = 1,
1331         .endianness             = 1,
1332         .non_legacy_dai_naming  = 1,
1333 };
1334 
1335 static const struct snd_soc_dai_ops aic31xx_dai_ops = {
1336         .hw_params      = aic31xx_hw_params,
1337         .set_sysclk     = aic31xx_set_dai_sysclk,
1338         .set_fmt        = aic31xx_set_dai_fmt,
1339         .digital_mute   = aic31xx_dac_mute,
1340 };
1341 
1342 static struct snd_soc_dai_driver dac31xx_dai_driver[] = {
1343         {
1344                 .name = "tlv320dac31xx-hifi",
1345                 .playback = {
1346                         .stream_name     = "Playback",
1347                         .channels_min    = 2,
1348                         .channels_max    = 2,
1349                         .rates           = AIC31XX_RATES,
1350                         .formats         = AIC31XX_FORMATS,
1351                 },
1352                 .ops = &aic31xx_dai_ops,
1353                 .symmetric_rates = 1,
1354         }
1355 };
1356 
1357 static struct snd_soc_dai_driver aic31xx_dai_driver[] = {
1358         {
1359                 .name = "tlv320aic31xx-hifi",
1360                 .playback = {
1361                         .stream_name     = "Playback",
1362                         .channels_min    = 2,
1363                         .channels_max    = 2,
1364                         .rates           = AIC31XX_RATES,
1365                         .formats         = AIC31XX_FORMATS,
1366                 },
1367                 .capture = {
1368                         .stream_name     = "Capture",
1369                         .channels_min    = 2,
1370                         .channels_max    = 2,
1371                         .rates           = AIC31XX_RATES,
1372                         .formats         = AIC31XX_FORMATS,
1373                 },
1374                 .ops = &aic31xx_dai_ops,
1375                 .symmetric_rates = 1,
1376         }
1377 };
1378 
1379 #if defined(CONFIG_OF)
1380 static const struct of_device_id tlv320aic31xx_of_match[] = {
1381         { .compatible = "ti,tlv320aic310x" },
1382         { .compatible = "ti,tlv320aic311x" },
1383         { .compatible = "ti,tlv320aic3100" },
1384         { .compatible = "ti,tlv320aic3110" },
1385         { .compatible = "ti,tlv320aic3120" },
1386         { .compatible = "ti,tlv320aic3111" },
1387         { .compatible = "ti,tlv320dac3100" },
1388         { .compatible = "ti,tlv320dac3101" },
1389         {},
1390 };
1391 MODULE_DEVICE_TABLE(of, tlv320aic31xx_of_match);
1392 #endif /* CONFIG_OF */
1393 
1394 #ifdef CONFIG_ACPI
1395 static const struct acpi_device_id aic31xx_acpi_match[] = {
1396         { "10TI3100", 0 },
1397         { }
1398 };
1399 MODULE_DEVICE_TABLE(acpi, aic31xx_acpi_match);
1400 #endif
1401 
1402 static irqreturn_t aic31xx_irq(int irq, void *data)
1403 {
1404         struct aic31xx_priv *aic31xx = data;
1405         struct device *dev = aic31xx->dev;
1406         unsigned int value;
1407         bool handled = false;
1408         int ret;
1409 
1410         ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG, &value);
1411         if (ret) {
1412                 dev_err(dev, "Failed to read interrupt mask: %d\n", ret);
1413                 goto exit;
1414         }
1415 
1416         if (value)
1417                 handled = true;
1418         else
1419                 goto read_overflow;
1420 
1421         if (value & AIC31XX_HPLSCDETECT)
1422                 dev_err(dev, "Short circuit on Left output is detected\n");
1423         if (value & AIC31XX_HPRSCDETECT)
1424                 dev_err(dev, "Short circuit on Right output is detected\n");
1425         if (value & (AIC31XX_HSPLUG | AIC31XX_BUTTONPRESS)) {
1426                 unsigned int val;
1427                 int status = 0;
1428 
1429                 ret = regmap_read(aic31xx->regmap, AIC31XX_INTRDACFLAG2,
1430                                   &val);
1431                 if (ret) {
1432                         dev_err(dev, "Failed to read interrupt mask: %d\n",
1433                                 ret);
1434                         goto exit;
1435                 }
1436 
1437                 if (val & AIC31XX_BUTTONPRESS)
1438                         status |= SND_JACK_BTN_0;
1439 
1440                 ret = regmap_read(aic31xx->regmap, AIC31XX_HSDETECT, &val);
1441                 if (ret) {
1442                         dev_err(dev, "Failed to read headset type: %d\n", ret);
1443                         goto exit;
1444                 }
1445 
1446                 switch ((val & AIC31XX_HSD_TYPE_MASK) >>
1447                         AIC31XX_HSD_TYPE_SHIFT) {
1448                 case AIC31XX_HSD_HP:
1449                         status |= SND_JACK_HEADPHONE;
1450                         break;
1451                 case AIC31XX_HSD_HS:
1452                         status |= SND_JACK_HEADSET;
1453                         break;
1454                 default:
1455                         break;
1456                 }
1457 
1458                 if (aic31xx->jack)
1459                         snd_soc_jack_report(aic31xx->jack, status,
1460                                             AIC31XX_JACK_MASK);
1461         }
1462         if (value & ~(AIC31XX_HPLSCDETECT |
1463                       AIC31XX_HPRSCDETECT |
1464                       AIC31XX_HSPLUG |
1465                       AIC31XX_BUTTONPRESS))
1466                 dev_err(dev, "Unknown DAC interrupt flags: 0x%08x\n", value);
1467 
1468 read_overflow:
1469         ret = regmap_read(aic31xx->regmap, AIC31XX_OFFLAG, &value);
1470         if (ret) {
1471                 dev_err(dev, "Failed to read overflow flag: %d\n", ret);
1472                 goto exit;
1473         }
1474 
1475         if (value)
1476                 handled = true;
1477         else
1478                 goto exit;
1479 
1480         if (value & AIC31XX_DAC_OF_LEFT)
1481                 dev_warn(dev, "Left-channel DAC overflow has occurred\n");
1482         if (value & AIC31XX_DAC_OF_RIGHT)
1483                 dev_warn(dev, "Right-channel DAC overflow has occurred\n");
1484         if (value & AIC31XX_DAC_OF_SHIFTER)
1485                 dev_warn(dev, "DAC barrel shifter overflow has occurred\n");
1486         if (value & AIC31XX_ADC_OF)
1487                 dev_warn(dev, "ADC overflow has occurred\n");
1488         if (value & AIC31XX_ADC_OF_SHIFTER)
1489                 dev_warn(dev, "ADC barrel shifter overflow has occurred\n");
1490         if (value & ~(AIC31XX_DAC_OF_LEFT |
1491                       AIC31XX_DAC_OF_RIGHT |
1492                       AIC31XX_DAC_OF_SHIFTER |
1493                       AIC31XX_ADC_OF |
1494                       AIC31XX_ADC_OF_SHIFTER))
1495                 dev_warn(dev, "Unknown overflow interrupt flags: 0x%08x\n", value);
1496 
1497 exit:
1498         if (handled)
1499                 return IRQ_HANDLED;
1500         else
1501                 return IRQ_NONE;
1502 }
1503 
1504 static int aic31xx_i2c_probe(struct i2c_client *i2c,
1505                              const struct i2c_device_id *id)
1506 {
1507         struct aic31xx_priv *aic31xx;
1508         unsigned int micbias_value = MICBIAS_2_0V;
1509         int i, ret;
1510 
1511         dev_dbg(&i2c->dev, "## %s: %s codec_type = %d\n", __func__,
1512                 id->name, (int)id->driver_data);
1513 
1514         aic31xx = devm_kzalloc(&i2c->dev, sizeof(*aic31xx), GFP_KERNEL);
1515         if (!aic31xx)
1516                 return -ENOMEM;
1517 
1518         aic31xx->regmap = devm_regmap_init_i2c(i2c, &aic31xx_i2c_regmap);
1519         if (IS_ERR(aic31xx->regmap)) {
1520                 ret = PTR_ERR(aic31xx->regmap);
1521                 dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1522                         ret);
1523                 return ret;
1524         }
1525         aic31xx->dev = &i2c->dev;
1526         aic31xx->irq = i2c->irq;
1527 
1528         aic31xx->codec_type = id->driver_data;
1529 
1530         dev_set_drvdata(aic31xx->dev, aic31xx);
1531 
1532         fwnode_property_read_u32(aic31xx->dev->fwnode, "ai31xx-micbias-vg",
1533                                  &micbias_value);
1534         switch (micbias_value) {
1535         case MICBIAS_2_0V:
1536         case MICBIAS_2_5V:
1537         case MICBIAS_AVDDV:
1538                 aic31xx->micbias_vg = micbias_value;
1539                 break;
1540         default:
1541                 dev_err(aic31xx->dev, "Bad ai31xx-micbias-vg value %d\n",
1542                         micbias_value);
1543                 aic31xx->micbias_vg = MICBIAS_2_0V;
1544         }
1545 
1546         if (dev_get_platdata(aic31xx->dev)) {
1547                 memcpy(&aic31xx->pdata, dev_get_platdata(aic31xx->dev), sizeof(aic31xx->pdata));
1548                 aic31xx->codec_type = aic31xx->pdata.codec_type;
1549                 aic31xx->micbias_vg = aic31xx->pdata.micbias_vg;
1550         }
1551 
1552         aic31xx->gpio_reset = devm_gpiod_get_optional(aic31xx->dev, "reset",
1553                                                       GPIOD_OUT_LOW);
1554         if (IS_ERR(aic31xx->gpio_reset)) {
1555                 if (PTR_ERR(aic31xx->gpio_reset) != -EPROBE_DEFER)
1556                         dev_err(aic31xx->dev, "not able to acquire gpio\n");
1557                 return PTR_ERR(aic31xx->gpio_reset);
1558         }
1559 
1560         for (i = 0; i < ARRAY_SIZE(aic31xx->supplies); i++)
1561                 aic31xx->supplies[i].supply = aic31xx_supply_names[i];
1562 
1563         ret = devm_regulator_bulk_get(aic31xx->dev,
1564                                       ARRAY_SIZE(aic31xx->supplies),
1565                                       aic31xx->supplies);
1566         if (ret) {
1567                 if (ret != -EPROBE_DEFER)
1568                         dev_err(aic31xx->dev,
1569                                 "Failed to request supplies: %d\n", ret);
1570                 return ret;
1571         }
1572 
1573         if (aic31xx->irq > 0) {
1574                 regmap_update_bits(aic31xx->regmap, AIC31XX_GPIO1,
1575                                    AIC31XX_GPIO1_FUNC_MASK,
1576                                    AIC31XX_GPIO1_INT1 <<
1577                                    AIC31XX_GPIO1_FUNC_SHIFT);
1578 
1579                 regmap_write(aic31xx->regmap, AIC31XX_INT1CTRL,
1580                              AIC31XX_HSPLUGDET |
1581                              AIC31XX_BUTTONPRESSDET |
1582                              AIC31XX_SC |
1583                              AIC31XX_ENGINE);
1584 
1585                 ret = devm_request_threaded_irq(aic31xx->dev, aic31xx->irq,
1586                                                 NULL, aic31xx_irq,
1587                                                 IRQF_ONESHOT, "aic31xx-irq",
1588                                                 aic31xx);
1589                 if (ret) {
1590                         dev_err(aic31xx->dev, "Unable to request IRQ\n");
1591                         return ret;
1592                 }
1593         }
1594 
1595         if (aic31xx->codec_type & DAC31XX_BIT)
1596                 return devm_snd_soc_register_component(&i2c->dev,
1597                                 &soc_codec_driver_aic31xx,
1598                                 dac31xx_dai_driver,
1599                                 ARRAY_SIZE(dac31xx_dai_driver));
1600         else
1601                 return devm_snd_soc_register_component(&i2c->dev,
1602                                 &soc_codec_driver_aic31xx,
1603                                 aic31xx_dai_driver,
1604                                 ARRAY_SIZE(aic31xx_dai_driver));
1605 }
1606 
1607 static const struct i2c_device_id aic31xx_i2c_id[] = {
1608         { "tlv320aic310x", AIC3100 },
1609         { "tlv320aic311x", AIC3110 },
1610         { "tlv320aic3100", AIC3100 },
1611         { "tlv320aic3110", AIC3110 },
1612         { "tlv320aic3120", AIC3120 },
1613         { "tlv320aic3111", AIC3111 },
1614         { "tlv320dac3100", DAC3100 },
1615         { "tlv320dac3101", DAC3101 },
1616         { }
1617 };
1618 MODULE_DEVICE_TABLE(i2c, aic31xx_i2c_id);
1619 
1620 static struct i2c_driver aic31xx_i2c_driver = {
1621         .driver = {
1622                 .name   = "tlv320aic31xx-codec",
1623                 .of_match_table = of_match_ptr(tlv320aic31xx_of_match),
1624                 .acpi_match_table = ACPI_PTR(aic31xx_acpi_match),
1625         },
1626         .probe          = aic31xx_i2c_probe,
1627         .id_table       = aic31xx_i2c_id,
1628 };
1629 module_i2c_driver(aic31xx_i2c_driver);
1630 
1631 MODULE_AUTHOR("Jyri Sarha <jsarha@ti.com>");
1632 MODULE_DESCRIPTION("ASoC TLV320AIC31xx CODEC Driver");
1633 MODULE_LICENSE("GPL v2");

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