sound/soc/codecs/tas2562.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 //
   3 // Driver for the Texas Instruments TAS2562 CODEC
   4 // Copyright (C) 2019 Texas Instruments Inc.
   5
   6
   7 #include <linux/module.h>
   8 #include <linux/errno.h>
   9 #include <linux/device.h>
  10 #include <linux/i2c.h>
  11 #include <linux/pm_runtime.h>
  12 #include <linux/regmap.h>
  13 #include <linux/slab.h>
  14 #include <linux/gpio/consumer.h>
  15 #include <linux/regulator/consumer.h>
  16 #include <linux/delay.h>
  17
  18 #include <sound/pcm.h>
  19 #include <sound/pcm_params.h>
  20 #include <sound/soc.h>
  21 #include <sound/soc-dapm.h>
  22 #include <sound/tlv.h>
  23
  24 #include "tas2562.h"
  25
  26 #define TAS2562_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE |\
  27                          SNDRV_PCM_FORMAT_S32_LE)
  28
  29 /* DVC equation involves floating point math
  30  * round(10^(volume in dB/20)*2^30)
  31  * so create a lookup table for 2dB step
  32  */
  33 static const unsigned int float_vol_db_lookup[] = {
  34 0x00000d43, 0x000010b2, 0x00001505, 0x00001a67, 0x00002151,
  35 0x000029f1, 0x000034cd, 0x00004279, 0x000053af, 0x0000695b,
  36 0x0000695b, 0x0000a6fa, 0x0000d236, 0x000108a4, 0x00014d2a,
  37 0x0001a36e, 0x00021008, 0x000298c0, 0x000344df, 0x00041d8f,
  38 0x00052e5a, 0x000685c8, 0x00083621, 0x000a566d, 0x000d03a7,
  39 0x0010624d, 0x0014a050, 0x0019f786, 0x0020b0bc, 0x0029279d,
  40 0x0033cf8d, 0x004139d3, 0x00521d50, 0x00676044, 0x0082248a,
  41 0x00a3d70a, 0x00ce4328, 0x0103ab3d, 0x0146e75d, 0x019b8c27,
  42 0x02061b89, 0x028c423f, 0x03352529, 0x0409c2b0, 0x05156d68,
  43 0x080e9f96, 0x0a24b062, 0x0cc509ab, 0x10137987, 0x143d1362,
  44 0x197a967f, 0x2013739e, 0x28619ae9, 0x32d64617, 0x40000000
  45 };
  46
  47 struct tas2562_data {
  48         struct snd_soc_component *component;
  49         struct gpio_desc *sdz_gpio;
  50         struct regmap *regmap;
  51         struct device *dev;
  52         struct i2c_client *client;
  53         int v_sense_slot;
  54         int i_sense_slot;
  55         int volume_lvl;
  56         int model_id;
  57 };
  58
  59 enum tas256x_model {
  60         TAS2562,
  61         TAS2563,
  62         TAS2564,
  63         TAS2110,
  64 };
  65
  66 static int tas2562_set_bias_level(struct snd_soc_component *component,
  67                                  enum snd_soc_bias_level level)
  68 {
  69         struct tas2562_data *tas2562 =
  70                         snd_soc_component_get_drvdata(component);
  71
  72         switch (level) {
  73         case SND_SOC_BIAS_ON:
  74                 snd_soc_component_update_bits(component,
  75                         TAS2562_PWR_CTRL,
  76                         TAS2562_MODE_MASK, TAS2562_ACTIVE);
  77                 break;
  78         case SND_SOC_BIAS_STANDBY:
  79         case SND_SOC_BIAS_PREPARE:
  80                 snd_soc_component_update_bits(component,
  81                         TAS2562_PWR_CTRL,
  82                         TAS2562_MODE_MASK, TAS2562_MUTE);
  83                 break;
  84         case SND_SOC_BIAS_OFF:
  85                 snd_soc_component_update_bits(component,
  86                         TAS2562_PWR_CTRL,
  87                         TAS2562_MODE_MASK, TAS2562_SHUTDOWN);
  88                 break;
  89
  90         default:
  91                 dev_err(tas2562->dev,
  92                                 "wrong power level setting %d\n", level);
  93                 return -EINVAL;
  94         }
  95
  96         return 0;
  97 }
  98
  99 static int tas2562_set_samplerate(struct tas2562_data *tas2562, int samplerate)
 100 {
 101         int samp_rate;
 102         int ramp_rate;
 103
 104         switch (samplerate) {
 105         case 7350:
 106                 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
 107                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
 108                 break;
 109         case 8000:
 110                 ramp_rate = 0;
 111                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_7305_8KHZ;
 112                 break;
 113         case 14700:
 114                 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
 115                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
 116                 break;
 117         case 16000:
 118                 ramp_rate = 0;
 119                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_14_7_16KHZ;
 120                 break;
 121         case 22050:
 122                 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
 123                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
 124                 break;
 125         case 24000:
 126                 ramp_rate = 0;
 127                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_22_05_24KHZ;
 128                 break;
 129         case 29400:
 130                 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
 131                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
 132                 break;
 133         case 32000:
 134                 ramp_rate = 0;
 135                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_29_4_32KHZ;
 136                 break;
 137         case 44100:
 138                 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
 139                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
 140                 break;
 141         case 48000:
 142                 ramp_rate = 0;
 143                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_44_1_48KHZ;
 144                 break;
 145         case 88200:
 146                 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
 147                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
 148                 break;
 149         case 96000:
 150                 ramp_rate = 0;
 151                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_88_2_96KHZ;
 152                 break;
 153         case 176400:
 154                 ramp_rate = TAS2562_TDM_CFG0_RAMPRATE_44_1;
 155                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
 156                 break;
 157         case 192000:
 158                 ramp_rate = 0;
 159                 samp_rate = TAS2562_TDM_CFG0_SAMPRATE_176_4_192KHZ;
 160                 break;
 161         default:
 162                 dev_info(tas2562->dev, "%s, unsupported sample rate, %d\n",
 163                         __func__, samplerate);
 164                 return -EINVAL;
 165         }
 166
 167         snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,
 168                 TAS2562_TDM_CFG0_RAMPRATE_MASK, ramp_rate);
 169         snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG0,
 170                 TAS2562_TDM_CFG0_SAMPRATE_MASK, samp_rate);
 171
 172         return 0;
 173 }
 174
 175 static int tas2562_set_dai_tdm_slot(struct snd_soc_dai *dai,
 176                 unsigned int tx_mask, unsigned int rx_mask,
 177                 int slots, int slot_width)
 178 {
 179         struct snd_soc_component *component = dai->component;
 180         struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
 181         int left_slot, right_slot;
 182         int slots_cfg;
 183         int ret;
 184
 185         if (!tx_mask) {
 186                 dev_err(component->dev, "tx masks must not be 0\n");
 187                 return -EINVAL;
 188         }
 189
 190         if (slots == 1) {
 191                 if (tx_mask != 1)
 192                         return -EINVAL;
 193
 194                 left_slot = 0;
 195                 right_slot = 0;
 196         } else {
 197                 left_slot = __ffs(tx_mask);
 198                 tx_mask &= ~(1 << left_slot);
 199                 if (tx_mask == 0) {
 200                         right_slot = left_slot;
 201                 } else {
 202                         right_slot = __ffs(tx_mask);
 203                 }
 204         }
 205
 206         slots_cfg = (right_slot << TAS2562_RIGHT_SLOT_SHIFT) | left_slot;
 207
 208         ret = snd_soc_component_write(component, TAS2562_TDM_CFG3, slots_cfg);
 209         if (ret < 0)
 210                 return ret;
 211
 212         switch (slot_width) {
 213         case 16:
 214                 ret = snd_soc_component_update_bits(component,
 215                                                     TAS2562_TDM_CFG2,
 216                                                     TAS2562_TDM_CFG2_RXLEN_MASK,
 217                                                     TAS2562_TDM_CFG2_RXLEN_16B);
 218                 break;
 219         case 24:
 220                 ret = snd_soc_component_update_bits(component,
 221                                                     TAS2562_TDM_CFG2,
 222                                                     TAS2562_TDM_CFG2_RXLEN_MASK,
 223                                                     TAS2562_TDM_CFG2_RXLEN_24B);
 224                 break;
 225         case 32:
 226                 ret = snd_soc_component_update_bits(component,
 227                                                     TAS2562_TDM_CFG2,
 228                                                     TAS2562_TDM_CFG2_RXLEN_MASK,
 229                                                     TAS2562_TDM_CFG2_RXLEN_32B);
 230                 break;
 231
 232         case 0:
 233                 /* Do not change slot width */
 234                 break;
 235         default:
 236                 dev_err(tas2562->dev, "slot width not supported");
 237                 ret = -EINVAL;
 238         }
 239
 240         if (ret < 0)
 241                 return ret;
 242
 243         ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG5,
 244                                             TAS2562_TDM_CFG5_VSNS_SLOT_MASK,
 245                                             tas2562->v_sense_slot);
 246         if (ret < 0)
 247                 return ret;
 248
 249         ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG6,
 250                                             TAS2562_TDM_CFG6_ISNS_SLOT_MASK,
 251                                             tas2562->i_sense_slot);
 252         if (ret < 0)
 253                 return ret;
 254
 255         return 0;
 256 }
 257
 258 static int tas2562_set_bitwidth(struct tas2562_data *tas2562, int bitwidth)
 259 {
 260         int ret;
 261         int val;
 262         int sense_en;
 263
 264         switch (bitwidth) {
 265         case SNDRV_PCM_FORMAT_S16_LE:
 266                 snd_soc_component_update_bits(tas2562->component,
 267                                               TAS2562_TDM_CFG2,
 268                                               TAS2562_TDM_CFG2_RXWLEN_MASK,
 269                                               TAS2562_TDM_CFG2_RXWLEN_16B);
 270                 break;
 271         case SNDRV_PCM_FORMAT_S24_LE:
 272                 snd_soc_component_update_bits(tas2562->component,
 273                                               TAS2562_TDM_CFG2,
 274                                               TAS2562_TDM_CFG2_RXWLEN_MASK,
 275                                               TAS2562_TDM_CFG2_RXWLEN_24B);
 276                 break;
 277         case SNDRV_PCM_FORMAT_S32_LE:
 278                 snd_soc_component_update_bits(tas2562->component,
 279                                               TAS2562_TDM_CFG2,
 280                                               TAS2562_TDM_CFG2_RXWLEN_MASK,
 281                                               TAS2562_TDM_CFG2_RXWLEN_32B);
 282                 break;
 283
 284         default:
 285                 dev_info(tas2562->dev, "Unsupported bitwidth format\n");
 286                 return -EINVAL;
 287         }
 288
 289         val = snd_soc_component_read(tas2562->component, TAS2562_PWR_CTRL);
 290         if (val < 0)
 291                 return val;
 292
 293         if (val & (1 << TAS2562_VSENSE_POWER_EN))
 294                 sense_en = 0;
 295         else
 296                 sense_en = TAS2562_TDM_CFG5_VSNS_EN;
 297
 298         ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG5,
 299                 TAS2562_TDM_CFG5_VSNS_EN, sense_en);
 300         if (ret < 0)
 301                 return ret;
 302
 303         if (val & (1 << TAS2562_ISENSE_POWER_EN))
 304                 sense_en = 0;
 305         else
 306                 sense_en = TAS2562_TDM_CFG6_ISNS_EN;
 307
 308         ret = snd_soc_component_update_bits(tas2562->component, TAS2562_TDM_CFG6,
 309                 TAS2562_TDM_CFG6_ISNS_EN, sense_en);
 310         if (ret < 0)
 311                 return ret;
 312
 313         return 0;
 314 }
 315
 316 static int tas2562_hw_params(struct snd_pcm_substream *substream,
 317                              struct snd_pcm_hw_params *params,
 318                              struct snd_soc_dai *dai)
 319 {
 320         struct snd_soc_component *component = dai->component;
 321         struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
 322         int ret;
 323
 324         ret = tas2562_set_bitwidth(tas2562, params_format(params));
 325         if (ret) {
 326                 dev_err(tas2562->dev, "set bitwidth failed, %d\n", ret);
 327                 return ret;
 328         }
 329
 330         ret = tas2562_set_samplerate(tas2562, params_rate(params));
 331         if (ret)
 332                 dev_err(tas2562->dev, "set sample rate failed, %d\n", ret);
 333
 334         return ret;
 335 }
 336
 337 static int tas2562_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 338 {
 339         struct snd_soc_component *component = dai->component;
 340         struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
 341         u8 asi_cfg_1 = 0;
 342         u8 tdm_rx_start_slot = 0;
 343         int ret;
 344
 345         switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
 346         case SND_SOC_DAIFMT_NB_NF:
 347                 asi_cfg_1 = 0;
 348                 break;
 349         case SND_SOC_DAIFMT_IB_NF:
 350                 asi_cfg_1 |= TAS2562_TDM_CFG1_RX_FALLING;
 351                 break;
 352         default:
 353                 dev_err(tas2562->dev, "ASI format Inverse is not found\n");
 354                 return -EINVAL;
 355         }
 356
 357         ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
 358                                             TAS2562_TDM_CFG1_RX_EDGE_MASK,
 359                                             asi_cfg_1);
 360         if (ret < 0) {
 361                 dev_err(tas2562->dev, "Failed to set RX edge\n");
 362                 return ret;
 363         }
 364         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
 365         case SND_SOC_DAIFMT_LEFT_J:
 366         case SND_SOC_DAIFMT_DSP_B:
 367                 tdm_rx_start_slot = 0;
 368                 break;
 369         case SND_SOC_DAIFMT_I2S:
 370         case SND_SOC_DAIFMT_DSP_A:
 371                 tdm_rx_start_slot = 1;
 372                 break;
 373         default:
 374                 dev_err(tas2562->dev,
 375                         "DAI Format is not found, fmt=0x%x\n", fmt);
 376                 return -EINVAL;
 377         }
 378
 379         ret = snd_soc_component_update_bits(component, TAS2562_TDM_CFG1,
 380                                 TAS2562_RX_OFF_MASK, (tdm_rx_start_slot << 1));
 381         if (ret < 0)
 382                 return ret;
 383
 384         return 0;
 385 }
 386
 387 static int tas2562_mute(struct snd_soc_dai *dai, int mute, int direction)
 388 {
 389         struct snd_soc_component *component = dai->component;
 390
 391         return snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
 392                                              TAS2562_MODE_MASK,
 393                                              mute ? TAS2562_MUTE : 0);
 394 }
 395
 396 static int tas2562_codec_probe(struct snd_soc_component *component)
 397 {
 398         struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
 399         int ret;
 400
 401         tas2562->component = component;
 402
 403         if (tas2562->sdz_gpio)
 404                 gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
 405
 406         ret = snd_soc_component_update_bits(component, TAS2562_PWR_CTRL,
 407                                             TAS2562_MODE_MASK, TAS2562_MUTE);
 408         if (ret < 0)
 409                 return ret;
 410
 411         return 0;
 412 }
 413
 414 #ifdef CONFIG_PM
 415 static int tas2562_suspend(struct snd_soc_component *component)
 416 {
 417         struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
 418
 419         regcache_cache_only(tas2562->regmap, true);
 420         regcache_mark_dirty(tas2562->regmap);
 421
 422         if (tas2562->sdz_gpio)
 423                 gpiod_set_value_cansleep(tas2562->sdz_gpio, 0);
 424
 425         return 0;
 426 }
 427
 428 static int tas2562_resume(struct snd_soc_component *component)
 429 {
 430         struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
 431
 432         if (tas2562->sdz_gpio)
 433                 gpiod_set_value_cansleep(tas2562->sdz_gpio, 1);
 434
 435         regcache_cache_only(tas2562->regmap, false);
 436
 437         return regcache_sync(tas2562->regmap);
 438 }
 439 #else
 440 #define tas2562_suspend NULL
 441 #define tas2562_resume NULL
 442 #endif
 443
 444 static const char * const tas2562_ASI1_src[] = {
 445         "I2C offset", "Left", "Right", "LeftRightDiv2",
 446 };
 447
 448 static SOC_ENUM_SINGLE_DECL(tas2562_ASI1_src_enum, TAS2562_TDM_CFG2, 4,
 449                             tas2562_ASI1_src);
 450
 451 static const struct snd_kcontrol_new tas2562_asi1_mux =
 452         SOC_DAPM_ENUM("ASI1 Source", tas2562_ASI1_src_enum);
 453
 454 static int tas2562_dac_event(struct snd_soc_dapm_widget *w,
 455                              struct snd_kcontrol *kcontrol, int event)
 456 {
 457         struct snd_soc_component *component =
 458                                         snd_soc_dapm_to_component(w->dapm);
 459         struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
 460         int ret;
 461
 462         switch (event) {
 463         case SND_SOC_DAPM_POST_PMU:
 464                 ret = snd_soc_component_update_bits(component,
 465                         TAS2562_PWR_CTRL,
 466                         TAS2562_MODE_MASK,
 467                         TAS2562_MUTE);
 468                 if (ret)
 469                         goto end;
 470                 break;
 471         case SND_SOC_DAPM_PRE_PMD:
 472                 ret = snd_soc_component_update_bits(component,
 473                         TAS2562_PWR_CTRL,
 474                         TAS2562_MODE_MASK,
 475                         TAS2562_SHUTDOWN);
 476                 if (ret)
 477                         goto end;
 478                 break;
 479         default:
 480                 dev_err(tas2562->dev, "Not supported evevt\n");
 481                 return -EINVAL;
 482         }
 483
 484 end:
 485         if (ret < 0)
 486                 return ret;
 487
 488         return 0;
 489 }
 490
 491 static int tas2562_volume_control_get(struct snd_kcontrol *kcontrol,
 492                                       struct snd_ctl_elem_value *ucontrol)
 493 {
 494         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 495         struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
 496
 497         ucontrol->value.integer.value[0] = tas2562->volume_lvl;
 498         return 0;
 499 }
 500
 501 static int tas2562_volume_control_put(struct snd_kcontrol *kcontrol,
 502                                       struct snd_ctl_elem_value *ucontrol)
 503 {
 504         struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
 505         struct tas2562_data *tas2562 = snd_soc_component_get_drvdata(component);
 506         int ret;
 507         u32 reg_val;
 508
 509         reg_val = float_vol_db_lookup[ucontrol->value.integer.value[0]/2];
 510         ret = snd_soc_component_write(component, TAS2562_DVC_CFG4,
 511                                       (reg_val & 0xff));
 512         if (ret)
 513                 return ret;
 514         ret = snd_soc_component_write(component, TAS2562_DVC_CFG3,
 515                                       ((reg_val >> 8) & 0xff));
 516         if (ret)
 517                 return ret;
 518         ret = snd_soc_component_write(component, TAS2562_DVC_CFG2,
 519                                       ((reg_val >> 16) & 0xff));
 520         if (ret)
 521                 return ret;
 522         ret = snd_soc_component_write(component, TAS2562_DVC_CFG1,
 523                                       ((reg_val >> 24) & 0xff));
 524         if (ret)
 525                 return ret;
 526
 527         tas2562->volume_lvl = ucontrol->value.integer.value[0];
 528
 529         return 0;
 530 }
 531
 532 /* Digital Volume Control. From 0 dB to -110 dB in 1 dB steps */
 533 static const DECLARE_TLV_DB_SCALE(dvc_tlv, -11000, 100, 0);
 534
 535 static DECLARE_TLV_DB_SCALE(tas2562_dac_tlv, 850, 50, 0);
 536
 537 static const struct snd_kcontrol_new isense_switch =
 538         SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_ISENSE_POWER_EN,
 539                         1, 1);
 540
 541 static const struct snd_kcontrol_new vsense_switch =
 542         SOC_DAPM_SINGLE("Switch", TAS2562_PWR_CTRL, TAS2562_VSENSE_POWER_EN,
 543                         1, 1);
 544
 545 static const struct snd_kcontrol_new tas2562_snd_controls[] = {
 546         SOC_SINGLE_TLV("Amp Gain Volume", TAS2562_PB_CFG1, 1, 0x1c, 0,
 547                        tas2562_dac_tlv),
 548         {
 549                 .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
 550                 .name = "Digital Volume Control",
 551                 .index = 0,
 552                 .tlv.p = dvc_tlv,
 553                 .access = SNDRV_CTL_ELEM_ACCESS_TLV_READ | SNDRV_CTL_ELEM_ACCESS_READWRITE,
 554                 .info = snd_soc_info_volsw,
 555                 .get = tas2562_volume_control_get,
 556                 .put = tas2562_volume_control_put,
 557                 .private_value = SOC_SINGLE_VALUE(TAS2562_DVC_CFG1, 0, 110, 0, 0),
 558         },
 559 };
 560
 561 static const struct snd_soc_dapm_widget tas2110_dapm_widgets[] = {
 562         SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
 563         SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2562_asi1_mux),
 564         SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event,
 565                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 566         SND_SOC_DAPM_OUTPUT("OUT"),
 567 };
 568
 569 static const struct snd_soc_dapm_route tas2110_audio_map[] = {
 570         {"ASI1 Sel", "I2C offset", "ASI1"},
 571         {"ASI1 Sel", "Left", "ASI1"},
 572         {"ASI1 Sel", "Right", "ASI1"},
 573         {"ASI1 Sel", "LeftRightDiv2", "ASI1"},
 574         { "DAC", NULL, "ASI1 Sel" },
 575         { "OUT", NULL, "DAC" },
 576 };
 577
 578 static const struct snd_soc_component_driver soc_component_dev_tas2110 = {
 579         .probe                  = tas2562_codec_probe,
 580         .suspend                = tas2562_suspend,
 581         .resume                 = tas2562_resume,
 582         .set_bias_level         = tas2562_set_bias_level,
 583         .controls               = tas2562_snd_controls,
 584         .num_controls           = ARRAY_SIZE(tas2562_snd_controls),
 585         .dapm_widgets           = tas2110_dapm_widgets,
 586         .num_dapm_widgets       = ARRAY_SIZE(tas2110_dapm_widgets),
 587         .dapm_routes            = tas2110_audio_map,
 588         .num_dapm_routes        = ARRAY_SIZE(tas2110_audio_map),
 589         .idle_bias_on           = 1,
 590         .use_pmdown_time        = 1,
 591         .endianness             = 1,
 592         .non_legacy_dai_naming  = 1,
 593 };
 594
 595 static const struct snd_soc_dapm_widget tas2562_dapm_widgets[] = {
 596         SND_SOC_DAPM_AIF_IN("ASI1", "ASI1 Playback", 0, SND_SOC_NOPM, 0, 0),
 597         SND_SOC_DAPM_MUX("ASI1 Sel", SND_SOC_NOPM, 0, 0, &tas2562_asi1_mux),
 598         SND_SOC_DAPM_DAC_E("DAC", NULL, SND_SOC_NOPM, 0, 0, tas2562_dac_event,
 599                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
 600         SND_SOC_DAPM_SWITCH("ISENSE", TAS2562_PWR_CTRL, 3, 1, &isense_switch),
 601         SND_SOC_DAPM_SWITCH("VSENSE", TAS2562_PWR_CTRL, 2, 1, &vsense_switch),
 602         SND_SOC_DAPM_SIGGEN("VMON"),
 603         SND_SOC_DAPM_SIGGEN("IMON"),
 604         SND_SOC_DAPM_OUTPUT("OUT"),
 605 };
 606
 607 static const struct snd_soc_dapm_route tas2562_audio_map[] = {
 608         {"ASI1 Sel", "I2C offset", "ASI1"},
 609         {"ASI1 Sel", "Left", "ASI1"},
 610         {"ASI1 Sel", "Right", "ASI1"},
 611         {"ASI1 Sel", "LeftRightDiv2", "ASI1"},
 612         { "DAC", NULL, "ASI1 Sel" },
 613         { "OUT", NULL, "DAC" },
 614         {"ISENSE", "Switch", "IMON"},
 615         {"VSENSE", "Switch", "VMON"},
 616 };
 617
 618 static const struct snd_soc_component_driver soc_component_dev_tas2562 = {
 619         .probe                  = tas2562_codec_probe,
 620         .suspend                = tas2562_suspend,
 621         .resume                 = tas2562_resume,
 622         .set_bias_level         = tas2562_set_bias_level,
 623         .controls               = tas2562_snd_controls,
 624         .num_controls           = ARRAY_SIZE(tas2562_snd_controls),
 625         .dapm_widgets           = tas2562_dapm_widgets,
 626         .num_dapm_widgets       = ARRAY_SIZE(tas2562_dapm_widgets),
 627         .dapm_routes            = tas2562_audio_map,
 628         .num_dapm_routes        = ARRAY_SIZE(tas2562_audio_map),
 629         .idle_bias_on           = 1,
 630         .use_pmdown_time        = 1,
 631         .endianness             = 1,
 632         .non_legacy_dai_naming  = 1,
 633 };
 634
 635 static const struct snd_soc_dai_ops tas2562_speaker_dai_ops = {
 636         .hw_params      = tas2562_hw_params,
 637         .set_fmt        = tas2562_set_dai_fmt,
 638         .set_tdm_slot   = tas2562_set_dai_tdm_slot,
 639         .mute_stream    = tas2562_mute,
 640         .no_capture_mute = 1,
 641 };
 642
 643 static struct snd_soc_dai_driver tas2562_dai[] = {
 644         {
 645                 .name = "tas2562-amplifier",
 646                 .id = 0,
 647                 .playback = {
 648                         .stream_name    = "ASI1 Playback",
 649                         .channels_min   = 2,
 650                         .channels_max   = 2,
 651                         .rates      = SNDRV_PCM_RATE_8000_192000,
 652                         .formats    = TAS2562_FORMATS,
 653                 },
 654                 .capture = {
 655                         .stream_name    = "ASI1 Capture",
 656                         .channels_min   = 0,
 657                         .channels_max   = 2,
 658                         .rates          = SNDRV_PCM_RATE_8000_192000,
 659                         .formats        = TAS2562_FORMATS,
 660                 },
 661                 .ops = &tas2562_speaker_dai_ops,
 662         },
 663 };
 664
 665 static const struct regmap_range_cfg tas2562_ranges[] = {
 666         {
 667                 .range_min = 0,
 668                 .range_max = 5 * 128,
 669                 .selector_reg = TAS2562_PAGE_CTRL,
 670                 .selector_mask = 0xff,
 671                 .selector_shift = 0,
 672                 .window_start = 0,
 673                 .window_len = 128,
 674         },
 675 };
 676
 677 static const struct reg_default tas2562_reg_defaults[] = {
 678         { TAS2562_PAGE_CTRL, 0x00 },
 679         { TAS2562_SW_RESET, 0x00 },
 680         { TAS2562_PWR_CTRL, 0x0e },
 681         { TAS2562_PB_CFG1, 0x20 },
 682         { TAS2562_TDM_CFG0, 0x09 },
 683         { TAS2562_TDM_CFG1, 0x02 },
 684         { TAS2562_DVC_CFG1, 0x40 },
 685         { TAS2562_DVC_CFG2, 0x40 },
 686         { TAS2562_DVC_CFG3, 0x00 },
 687         { TAS2562_DVC_CFG4, 0x00 },
 688 };
 689
 690 static const struct regmap_config tas2562_regmap_config = {
 691         .reg_bits = 8,
 692         .val_bits = 8,
 693
 694         .max_register = 5 * 128,
 695         .cache_type = REGCACHE_RBTREE,
 696         .reg_defaults = tas2562_reg_defaults,
 697         .num_reg_defaults = ARRAY_SIZE(tas2562_reg_defaults),
 698         .ranges = tas2562_ranges,
 699         .num_ranges = ARRAY_SIZE(tas2562_ranges),
 700 };
 701
 702 static int tas2562_parse_dt(struct tas2562_data *tas2562)
 703 {
 704         struct device *dev = tas2562->dev;
 705         int ret = 0;
 706
 707         tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shutdown", GPIOD_OUT_HIGH);
 708         if (IS_ERR(tas2562->sdz_gpio)) {
 709                 if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
 710                         return -EPROBE_DEFER;
 711
 712                 tas2562->sdz_gpio = NULL;
 713         }
 714
 715         /*
 716          * The shut-down property is deprecated but needs to be checked for
 717          * backwards compatibility.
 718          */
 719         if (tas2562->sdz_gpio == NULL) {
 720                 tas2562->sdz_gpio = devm_gpiod_get_optional(dev, "shut-down",
 721                                                               GPIOD_OUT_HIGH);
 722                 if (IS_ERR(tas2562->sdz_gpio))
 723                         if (PTR_ERR(tas2562->sdz_gpio) == -EPROBE_DEFER)
 724                                 return -EPROBE_DEFER;
 725
 726                 tas2562->sdz_gpio = NULL;
 727         }
 728
 729         if (tas2562->model_id == TAS2110)
 730                 return ret;
 731
 732         ret = fwnode_property_read_u32(dev->fwnode, "ti,imon-slot-no",
 733                         &tas2562->i_sense_slot);
 734         if (ret) {
 735                 dev_err(dev, "Property %s is missing setting default slot\n",
 736                         "ti,imon-slot-no");
 737                 tas2562->i_sense_slot = 0;
 738         }
 739
 740
 741         ret = fwnode_property_read_u32(dev->fwnode, "ti,vmon-slot-no",
 742                         &tas2562->v_sense_slot);
 743         if (ret) {
 744                 dev_info(dev, "Property %s is missing setting default slot\n",
 745                         "ti,vmon-slot-no");
 746                 tas2562->v_sense_slot = 2;
 747         }
 748
 749         if (tas2562->v_sense_slot < tas2562->i_sense_slot) {
 750                 dev_err(dev, "Vsense slot must be greater than Isense slot\n");
 751                 return -EINVAL;
 752         }
 753
 754         return ret;
 755 }
 756
 757 static int tas2562_probe(struct i2c_client *client,
 758                          const struct i2c_device_id *id)
 759 {
 760         struct device *dev = &client->dev;
 761         struct tas2562_data *data;
 762         int ret;
 763
 764         data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
 765         if (!data)
 766                 return -ENOMEM;
 767
 768         data->client = client;
 769         data->dev = &client->dev;
 770         data->model_id = id->driver_data;
 771
 772         tas2562_parse_dt(data);
 773
 774         data->regmap = devm_regmap_init_i2c(client, &tas2562_regmap_config);
 775         if (IS_ERR(data->regmap)) {
 776                 ret = PTR_ERR(data->regmap);
 777                 dev_err(dev, "failed to allocate register map: %d\n", ret);
 778                 return ret;
 779         }
 780
 781         dev_set_drvdata(&client->dev, data);
 782
 783         if (data->model_id == TAS2110)
 784                 return devm_snd_soc_register_component(dev,
 785                                                        &soc_component_dev_tas2110,
 786                                                        tas2562_dai,
 787                                                        ARRAY_SIZE(tas2562_dai));
 788
 789         return devm_snd_soc_register_component(dev, &soc_component_dev_tas2562,
 790                                                tas2562_dai,
 791                                                ARRAY_SIZE(tas2562_dai));
 792
 793 }
 794
 795 static const struct i2c_device_id tas2562_id[] = {
 796         { "tas2562", TAS2562 },
 797         { "tas2563", TAS2563 },
 798         { "tas2564", TAS2564 },
 799         { "tas2110", TAS2110 },
 800         { }
 801 };
 802 MODULE_DEVICE_TABLE(i2c, tas2562_id);
 803
 804 #ifdef CONFIG_OF
 805 static const struct of_device_id tas2562_of_match[] = {
 806         { .compatible = "ti,tas2562", },
 807         { .compatible = "ti,tas2563", },
 808         { .compatible = "ti,tas2564", },
 809         { .compatible = "ti,tas2110", },
 810         { },
 811 };
 812 MODULE_DEVICE_TABLE(of, tas2562_of_match);
 813 #endif
 814
 815 static struct i2c_driver tas2562_i2c_driver = {
 816         .driver = {
 817                 .name = "tas2562",
 818                 .of_match_table = of_match_ptr(tas2562_of_match),
 819         },
 820         .probe = tas2562_probe,
 821         .id_table = tas2562_id,
 822 };
 823
 824 module_i2c_driver(tas2562_i2c_driver);
 825
 826 MODULE_AUTHOR("Dan Murphy <dmurphy@ti.com>");
 827 MODULE_DESCRIPTION("TAS2562 Audio amplifier driver");
 828 MODULE_LICENSE("GPL");