sound/soc/codecs/rt5682-sdw.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // rt5682-sdw.c  --  RT5682 ALSA SoC audio component driver
   4 //
   5 // Copyright 2019 Realtek Semiconductor Corp.
   6 // Author: Oder Chiou <[email protected]>
   7 //
   8
   9 #include <linux/module.h>
  10 #include <linux/moduleparam.h>
  11 #include <linux/init.h>
  12 #include <linux/delay.h>
  13 #include <linux/pm.h>
  14 #include <linux/acpi.h>
  15 #include <linux/pm_runtime.h>
  16 #include <linux/regulator/consumer.h>
  17 #include <linux/mutex.h>
  18 #include <linux/soundwire/sdw.h>
  19 #include <linux/soundwire/sdw_type.h>
  20 #include <linux/soundwire/sdw_registers.h>
  21 #include <sound/core.h>
  22 #include <sound/pcm.h>
  23 #include <sound/pcm_params.h>
  24 #include <sound/jack.h>
  25 #include <sound/sdw.h>
  26 #include <sound/soc.h>
  27 #include <sound/soc-dapm.h>
  28 #include <sound/initval.h>
  29 #include <sound/tlv.h>
  30
  31 #include "rt5682.h"
  32
  33 #define RT5682_SDW_ADDR_L                       0x3000
  34 #define RT5682_SDW_ADDR_H                       0x3001
  35 #define RT5682_SDW_DATA_L                       0x3004
  36 #define RT5682_SDW_DATA_H                       0x3005
  37 #define RT5682_SDW_CMD                          0x3008
  38
  39 static int rt5682_sdw_read(void *context, unsigned int reg, unsigned int *val)
  40 {
  41         struct device *dev = context;
  42         struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
  43         unsigned int data_l, data_h;
  44
  45         regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 0);
  46         regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);
  47         regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));
  48         regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_H, &data_h);
  49         regmap_read(rt5682->sdw_regmap, RT5682_SDW_DATA_L, &data_l);
  50
  51         *val = (data_h << 8) | data_l;
  52
  53         dev_vdbg(dev, "[%s] %04x => %04x\n", __func__, reg, *val);
  54
  55         return 0;
  56 }
  57
  58 static int rt5682_sdw_write(void *context, unsigned int reg, unsigned int val)
  59 {
  60         struct device *dev = context;
  61         struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
  62
  63         regmap_write(rt5682->sdw_regmap, RT5682_SDW_CMD, 1);
  64         regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_H, (reg >> 8) & 0xff);
  65         regmap_write(rt5682->sdw_regmap, RT5682_SDW_ADDR_L, (reg & 0xff));
  66         regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_H, (val >> 8) & 0xff);
  67         regmap_write(rt5682->sdw_regmap, RT5682_SDW_DATA_L, (val & 0xff));
  68
  69         dev_vdbg(dev, "[%s] %04x <= %04x\n", __func__, reg, val);
  70
  71         return 0;
  72 }
  73
  74 static const struct regmap_config rt5682_sdw_indirect_regmap = {
  75         .reg_bits = 16,
  76         .val_bits = 16,
  77         .max_register = RT5682_I2C_MODE,
  78         .volatile_reg = rt5682_volatile_register,
  79         .readable_reg = rt5682_readable_register,
  80         .cache_type = REGCACHE_MAPLE,
  81         .reg_defaults = rt5682_reg,
  82         .num_reg_defaults = RT5682_REG_NUM,
  83         .use_single_read = true,
  84         .use_single_write = true,
  85         .reg_read = rt5682_sdw_read,
  86         .reg_write = rt5682_sdw_write,
  87 };
  88
  89 static int rt5682_set_sdw_stream(struct snd_soc_dai *dai, void *sdw_stream,
  90                                  int direction)
  91 {
  92         snd_soc_dai_dma_data_set(dai, direction, sdw_stream);
  93
  94         return 0;
  95 }
  96
  97 static void rt5682_sdw_shutdown(struct snd_pcm_substream *substream,
  98                                 struct snd_soc_dai *dai)
  99 {
 100         snd_soc_dai_set_dma_data(dai, substream, NULL);
 101 }
 102
 103 static int rt5682_sdw_hw_params(struct snd_pcm_substream *substream,
 104                                 struct snd_pcm_hw_params *params,
 105                                 struct snd_soc_dai *dai)
 106 {
 107         struct snd_soc_component *component = dai->component;
 108         struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
 109         struct sdw_stream_config stream_config = {0};
 110         struct sdw_port_config port_config = {0};
 111         struct sdw_stream_runtime *sdw_stream;
 112         int retval;
 113         unsigned int val_p = 0, val_c = 0, osr_p = 0, osr_c = 0;
 114
 115         dev_dbg(dai->dev, "%s %s", __func__, dai->name);
 116
 117         sdw_stream = snd_soc_dai_get_dma_data(dai, substream);
 118         if (!sdw_stream)
 119                 return -ENOMEM;
 120
 121         if (!rt5682->slave)
 122                 return -EINVAL;
 123
 124         /* SoundWire specific configuration */
 125         snd_sdw_params_to_config(substream, params, &stream_config, &port_config);
 126
 127         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
 128                 port_config.num = 1;
 129         else
 130                 port_config.num = 2;
 131
 132         retval = sdw_stream_add_slave(rt5682->slave, &stream_config,
 133                                       &port_config, 1, sdw_stream);
 134         if (retval) {
 135                 dev_err(dai->dev, "Unable to configure port\n");
 136                 return retval;
 137         }
 138
 139         switch (params_rate(params)) {
 140         case 48000:
 141                 val_p = RT5682_SDW_REF_1_48K;
 142                 val_c = RT5682_SDW_REF_2_48K;
 143                 break;
 144         case 96000:
 145                 val_p = RT5682_SDW_REF_1_96K;
 146                 val_c = RT5682_SDW_REF_2_96K;
 147                 break;
 148         case 192000:
 149                 val_p = RT5682_SDW_REF_1_192K;
 150                 val_c = RT5682_SDW_REF_2_192K;
 151                 break;
 152         case 32000:
 153                 val_p = RT5682_SDW_REF_1_32K;
 154                 val_c = RT5682_SDW_REF_2_32K;
 155                 break;
 156         case 24000:
 157                 val_p = RT5682_SDW_REF_1_24K;
 158                 val_c = RT5682_SDW_REF_2_24K;
 159                 break;
 160         case 16000:
 161                 val_p = RT5682_SDW_REF_1_16K;
 162                 val_c = RT5682_SDW_REF_2_16K;
 163                 break;
 164         case 12000:
 165                 val_p = RT5682_SDW_REF_1_12K;
 166                 val_c = RT5682_SDW_REF_2_12K;
 167                 break;
 168         case 8000:
 169                 val_p = RT5682_SDW_REF_1_8K;
 170                 val_c = RT5682_SDW_REF_2_8K;
 171                 break;
 172         case 44100:
 173                 val_p = RT5682_SDW_REF_1_44K;
 174                 val_c = RT5682_SDW_REF_2_44K;
 175                 break;
 176         case 88200:
 177                 val_p = RT5682_SDW_REF_1_88K;
 178                 val_c = RT5682_SDW_REF_2_88K;
 179                 break;
 180         case 176400:
 181                 val_p = RT5682_SDW_REF_1_176K;
 182                 val_c = RT5682_SDW_REF_2_176K;
 183                 break;
 184         case 22050:
 185                 val_p = RT5682_SDW_REF_1_22K;
 186                 val_c = RT5682_SDW_REF_2_22K;
 187                 break;
 188         case 11025:
 189                 val_p = RT5682_SDW_REF_1_11K;
 190                 val_c = RT5682_SDW_REF_2_11K;
 191                 break;
 192         default:
 193                 return -EINVAL;
 194         }
 195
 196         if (params_rate(params) <= 48000) {
 197                 osr_p = RT5682_DAC_OSR_D_8;
 198                 osr_c = RT5682_ADC_OSR_D_8;
 199         } else if (params_rate(params) <= 96000) {
 200                 osr_p = RT5682_DAC_OSR_D_4;
 201                 osr_c = RT5682_ADC_OSR_D_4;
 202         } else {
 203                 osr_p = RT5682_DAC_OSR_D_2;
 204                 osr_c = RT5682_ADC_OSR_D_2;
 205         }
 206
 207         if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
 208                 regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,
 209                         RT5682_SDW_REF_1_MASK, val_p);
 210                 regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,
 211                         RT5682_DAC_OSR_MASK, osr_p);
 212         } else {
 213                 regmap_update_bits(rt5682->regmap, RT5682_SDW_REF_CLK,
 214                         RT5682_SDW_REF_2_MASK, val_c);
 215                 regmap_update_bits(rt5682->regmap, RT5682_ADDA_CLK_1,
 216                         RT5682_ADC_OSR_MASK, osr_c);
 217         }
 218
 219         return retval;
 220 }
 221
 222 static int rt5682_sdw_hw_free(struct snd_pcm_substream *substream,
 223                               struct snd_soc_dai *dai)
 224 {
 225         struct snd_soc_component *component = dai->component;
 226         struct rt5682_priv *rt5682 = snd_soc_component_get_drvdata(component);
 227         struct sdw_stream_runtime *sdw_stream =
 228                 snd_soc_dai_get_dma_data(dai, substream);
 229
 230         if (!rt5682->slave)
 231                 return -EINVAL;
 232
 233         sdw_stream_remove_slave(rt5682->slave, sdw_stream);
 234         return 0;
 235 }
 236
 237 static const struct snd_soc_dai_ops rt5682_sdw_ops = {
 238         .hw_params      = rt5682_sdw_hw_params,
 239         .hw_free        = rt5682_sdw_hw_free,
 240         .set_stream     = rt5682_set_sdw_stream,
 241         .shutdown       = rt5682_sdw_shutdown,
 242 };
 243
 244 static struct snd_soc_dai_driver rt5682_dai[] = {
 245         {
 246                 .name = "rt5682-aif1",
 247                 .id = RT5682_AIF1,
 248                 .playback = {
 249                         .stream_name = "AIF1 Playback",
 250                         .channels_min = 1,
 251                         .channels_max = 2,
 252                         .rates = RT5682_STEREO_RATES,
 253                         .formats = RT5682_FORMATS,
 254                 },
 255                 .capture = {
 256                         .stream_name = "AIF1 Capture",
 257                         .channels_min = 1,
 258                         .channels_max = 2,
 259                         .rates = RT5682_STEREO_RATES,
 260                         .formats = RT5682_FORMATS,
 261                 },
 262                 .ops = &rt5682_aif1_dai_ops,
 263         },
 264         {
 265                 .name = "rt5682-aif2",
 266                 .id = RT5682_AIF2,
 267                 .capture = {
 268                         .stream_name = "AIF2 Capture",
 269                         .channels_min = 1,
 270                         .channels_max = 2,
 271                         .rates = RT5682_STEREO_RATES,
 272                         .formats = RT5682_FORMATS,
 273                 },
 274                 .ops = &rt5682_aif2_dai_ops,
 275         },
 276         {
 277                 .name = "rt5682-sdw",
 278                 .id = RT5682_SDW,
 279                 .playback = {
 280                         .stream_name = "SDW Playback",
 281                         .channels_min = 1,
 282                         .channels_max = 2,
 283                         .rates = RT5682_STEREO_RATES,
 284                         .formats = RT5682_FORMATS,
 285                 },
 286                 .capture = {
 287                         .stream_name = "SDW Capture",
 288                         .channels_min = 1,
 289                         .channels_max = 2,
 290                         .rates = RT5682_STEREO_RATES,
 291                         .formats = RT5682_FORMATS,
 292                 },
 293                 .ops = &rt5682_sdw_ops,
 294         },
 295 };
 296
 297 static int rt5682_sdw_init(struct device *dev, struct regmap *regmap,
 298                            struct sdw_slave *slave)
 299 {
 300         struct rt5682_priv *rt5682;
 301         int ret;
 302
 303         rt5682 = devm_kzalloc(dev, sizeof(*rt5682), GFP_KERNEL);
 304         if (!rt5682)
 305                 return -ENOMEM;
 306
 307         dev_set_drvdata(dev, rt5682);
 308         rt5682->slave = slave;
 309         rt5682->sdw_regmap = regmap;
 310         rt5682->is_sdw = true;
 311
 312         mutex_init(&rt5682->disable_irq_lock);
 313
 314         rt5682->regmap = devm_regmap_init(dev, NULL, dev,
 315                                           &rt5682_sdw_indirect_regmap);
 316         if (IS_ERR(rt5682->regmap)) {
 317                 ret = PTR_ERR(rt5682->regmap);
 318                 dev_err(dev, "Failed to allocate register map: %d\n",
 319                         ret);
 320                 return ret;
 321         }
 322
 323
 324         ret = rt5682_get_ldo1(rt5682, dev);
 325         if (ret)
 326                 return ret;
 327
 328         regcache_cache_only(rt5682->sdw_regmap, true);
 329         regcache_cache_only(rt5682->regmap, true);
 330
 331         /*
 332          * Mark hw_init to false
 333          * HW init will be performed when device reports present
 334          */
 335         rt5682->hw_init = false;
 336         rt5682->first_hw_init = false;
 337
 338         mutex_init(&rt5682->calibrate_mutex);
 339         INIT_DELAYED_WORK(&rt5682->jack_detect_work,
 340                 rt5682_jack_detect_handler);
 341
 342         ret = devm_snd_soc_register_component(dev,
 343                                               &rt5682_soc_component_dev,
 344                                               rt5682_dai, ARRAY_SIZE(rt5682_dai));
 345         if (ret < 0)
 346                 return ret;
 347
 348         /* set autosuspend parameters */
 349         pm_runtime_set_autosuspend_delay(dev, 3000);
 350         pm_runtime_use_autosuspend(dev);
 351
 352         /* make sure the device does not suspend immediately */
 353         pm_runtime_mark_last_busy(dev);
 354
 355         pm_runtime_enable(dev);
 356
 357         /* important note: the device is NOT tagged as 'active' and will remain
 358          * 'suspended' until the hardware is enumerated/initialized. This is required
 359          * to make sure the ASoC framework use of pm_runtime_get_sync() does not silently
 360          * fail with -EACCESS because of race conditions between card creation and enumeration
 361          */
 362
 363         dev_dbg(dev, "%s\n", __func__);
 364
 365         return ret;
 366 }
 367
 368 static int rt5682_io_init(struct device *dev, struct sdw_slave *slave)
 369 {
 370         struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
 371         int ret = 0, loop = 10;
 372         unsigned int val;
 373
 374         rt5682->disable_irq = false;
 375
 376         if (rt5682->hw_init)
 377                 return 0;
 378
 379         regcache_cache_only(rt5682->sdw_regmap, false);
 380         regcache_cache_only(rt5682->regmap, false);
 381         if (rt5682->first_hw_init)
 382                 regcache_cache_bypass(rt5682->regmap, true);
 383
 384         /*
 385          * PM runtime status is marked as 'active' only when a Slave reports as Attached
 386          */
 387         if (!rt5682->first_hw_init)
 388                 /* update count of parent 'active' children */
 389                 pm_runtime_set_active(&slave->dev);
 390
 391         pm_runtime_get_noresume(&slave->dev);
 392
 393         while (loop > 0) {
 394                 regmap_read(rt5682->regmap, RT5682_DEVICE_ID, &val);
 395                 if (val == DEVICE_ID)
 396                         break;
 397                 dev_warn(dev, "Device with ID register %x is not rt5682\n", val);
 398                 usleep_range(30000, 30005);
 399                 loop--;
 400         }
 401
 402         if (val != DEVICE_ID) {
 403                 dev_err(dev, "Device with ID register %x is not rt5682\n", val);
 404                 ret = -ENODEV;
 405                 goto err_nodev;
 406         }
 407
 408         rt5682_calibrate(rt5682);
 409
 410         if (rt5682->first_hw_init) {
 411                 regcache_cache_bypass(rt5682->regmap, false);
 412                 regcache_mark_dirty(rt5682->regmap);
 413                 regcache_sync(rt5682->regmap);
 414
 415                 /* volatile registers */
 416                 regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,
 417                         RT5682_EXT_JD_SRC, RT5682_EXT_JD_SRC_MANUAL);
 418
 419                 goto reinit;
 420         }
 421
 422         rt5682_apply_patch_list(rt5682, dev);
 423
 424         regmap_write(rt5682->regmap, RT5682_DEPOP_1, 0x0000);
 425
 426         regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_1,
 427                 RT5682_LDO1_DVO_MASK | RT5682_HP_DRIVER_MASK,
 428                 RT5682_LDO1_DVO_12 | RT5682_HP_DRIVER_5X);
 429         regmap_write(rt5682->regmap, RT5682_MICBIAS_2, 0x0080);
 430         regmap_write(rt5682->regmap, RT5682_TEST_MODE_CTRL_1, 0x0000);
 431         regmap_update_bits(rt5682->regmap, RT5682_BIAS_CUR_CTRL_8,
 432                 RT5682_HPA_CP_BIAS_CTRL_MASK, RT5682_HPA_CP_BIAS_3UA);
 433         regmap_update_bits(rt5682->regmap, RT5682_CHARGE_PUMP_1,
 434                 RT5682_CP_CLK_HP_MASK, RT5682_CP_CLK_HP_300KHZ);
 435         regmap_update_bits(rt5682->regmap, RT5682_HP_CHARGE_PUMP_1,
 436                 RT5682_PM_HP_MASK, RT5682_PM_HP_HV);
 437
 438         /* Soundwire */
 439         regmap_write(rt5682->regmap, RT5682_PLL2_INTERNAL, 0xa266);
 440         regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_1, 0x1700);
 441         regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_2, 0x0006);
 442         regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_3, 0x2600);
 443         regmap_write(rt5682->regmap, RT5682_PLL2_CTRL_4, 0x0c8f);
 444         regmap_write(rt5682->regmap, RT5682_PLL_TRACK_2, 0x3000);
 445         regmap_write(rt5682->regmap, RT5682_PLL_TRACK_3, 0x4000);
 446         regmap_update_bits(rt5682->regmap, RT5682_GLB_CLK,
 447                 RT5682_SCLK_SRC_MASK | RT5682_PLL2_SRC_MASK,
 448                 RT5682_SCLK_SRC_PLL2 | RT5682_PLL2_SRC_SDW);
 449
 450         regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_2,
 451                 RT5682_EXT_JD_SRC, RT5682_EXT_JD_SRC_MANUAL);
 452         regmap_write(rt5682->regmap, RT5682_CBJ_CTRL_1, 0xd142);
 453         regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_5, 0x0700, 0x0600);
 454         regmap_update_bits(rt5682->regmap, RT5682_CBJ_CTRL_3,
 455                 RT5682_CBJ_IN_BUF_EN, RT5682_CBJ_IN_BUF_EN);
 456         regmap_update_bits(rt5682->regmap, RT5682_SAR_IL_CMD_1,
 457                 RT5682_SAR_POW_MASK, RT5682_SAR_POW_EN);
 458         regmap_update_bits(rt5682->regmap, RT5682_RC_CLK_CTRL,
 459                 RT5682_POW_IRQ | RT5682_POW_JDH |
 460                 RT5682_POW_ANA, RT5682_POW_IRQ |
 461                 RT5682_POW_JDH | RT5682_POW_ANA);
 462         regmap_update_bits(rt5682->regmap, RT5682_PWR_ANLG_2,
 463                 RT5682_PWR_JDH, RT5682_PWR_JDH);
 464         regmap_update_bits(rt5682->regmap, RT5682_IRQ_CTRL_2,
 465                 RT5682_JD1_EN_MASK | RT5682_JD1_IRQ_MASK,
 466                 RT5682_JD1_EN | RT5682_JD1_IRQ_PUL);
 467
 468 reinit:
 469         mod_delayed_work(system_power_efficient_wq,
 470                 &rt5682->jack_detect_work, msecs_to_jiffies(250));
 471
 472         /* Mark Slave initialization complete */
 473         rt5682->hw_init = true;
 474         rt5682->first_hw_init = true;
 475
 476 err_nodev:
 477         pm_runtime_mark_last_busy(&slave->dev);
 478         pm_runtime_put_autosuspend(&slave->dev);
 479
 480         dev_dbg(&slave->dev, "%s hw_init complete: %d\n", __func__, ret);
 481
 482         return ret;
 483 }
 484
 485 static bool rt5682_sdw_readable_register(struct device *dev, unsigned int reg)
 486 {
 487         switch (reg) {
 488         case 0x00e0:
 489         case 0x00f0:
 490         case 0x3000:
 491         case 0x3001:
 492         case 0x3004:
 493         case 0x3005:
 494         case 0x3008:
 495                 return true;
 496         default:
 497                 return false;
 498         }
 499 }
 500
 501 static const struct regmap_config rt5682_sdw_regmap = {
 502         .name = "sdw",
 503         .reg_bits = 32,
 504         .val_bits = 8,
 505         .max_register = RT5682_I2C_MODE,
 506         .readable_reg = rt5682_sdw_readable_register,
 507         .cache_type = REGCACHE_NONE,
 508         .use_single_read = true,
 509         .use_single_write = true,
 510 };
 511
 512 static int rt5682_update_status(struct sdw_slave *slave,
 513                                         enum sdw_slave_status status)
 514 {
 515         struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);
 516
 517         if (status == SDW_SLAVE_UNATTACHED)
 518                 rt5682->hw_init = false;
 519
 520         /*
 521          * Perform initialization only if slave status is present and
 522          * hw_init flag is false
 523          */
 524         if (rt5682->hw_init || status != SDW_SLAVE_ATTACHED)
 525                 return 0;
 526
 527         /* perform I/O transfers required for Slave initialization */
 528         return rt5682_io_init(&slave->dev, slave);
 529 }
 530
 531 static int rt5682_read_prop(struct sdw_slave *slave)
 532 {
 533         struct sdw_slave_prop *prop = &slave->prop;
 534         int nval, i;
 535         u32 bit;
 536         unsigned long addr;
 537         struct sdw_dpn_prop *dpn;
 538
 539         prop->scp_int1_mask = SDW_SCP_INT1_IMPL_DEF | SDW_SCP_INT1_BUS_CLASH |
 540                 SDW_SCP_INT1_PARITY;
 541         prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
 542
 543         prop->paging_support = false;
 544
 545         /* first we need to allocate memory for set bits in port lists */
 546         prop->source_ports = 0x4;       /* BITMAP: 00000100 */
 547         prop->sink_ports = 0x2;         /* BITMAP: 00000010 */
 548
 549         nval = hweight32(prop->source_ports);
 550         prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
 551                                           sizeof(*prop->src_dpn_prop),
 552                                           GFP_KERNEL);
 553         if (!prop->src_dpn_prop)
 554                 return -ENOMEM;
 555
 556         i = 0;
 557         dpn = prop->src_dpn_prop;
 558         addr = prop->source_ports;
 559         for_each_set_bit(bit, &addr, 32) {
 560                 dpn[i].num = bit;
 561                 dpn[i].type = SDW_DPN_FULL;
 562                 dpn[i].simple_ch_prep_sm = true;
 563                 dpn[i].ch_prep_timeout = 10;
 564                 i++;
 565         }
 566
 567         /* do this again for sink now */
 568         nval = hweight32(prop->sink_ports);
 569         prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
 570                                            sizeof(*prop->sink_dpn_prop),
 571                                            GFP_KERNEL);
 572         if (!prop->sink_dpn_prop)
 573                 return -ENOMEM;
 574
 575         i = 0;
 576         dpn = prop->sink_dpn_prop;
 577         addr = prop->sink_ports;
 578         for_each_set_bit(bit, &addr, 32) {
 579                 dpn[i].num = bit;
 580                 dpn[i].type = SDW_DPN_FULL;
 581                 dpn[i].simple_ch_prep_sm = true;
 582                 dpn[i].ch_prep_timeout = 10;
 583                 i++;
 584         }
 585
 586         /* set the timeout values */
 587         prop->clk_stop_timeout = 20;
 588
 589         /* wake-up event */
 590         prop->wake_capable = 1;
 591
 592         return 0;
 593 }
 594
 595 /* Bus clock frequency */
 596 #define RT5682_CLK_FREQ_9600000HZ 9600000
 597 #define RT5682_CLK_FREQ_12000000HZ 12000000
 598 #define RT5682_CLK_FREQ_6000000HZ 6000000
 599 #define RT5682_CLK_FREQ_4800000HZ 4800000
 600 #define RT5682_CLK_FREQ_2400000HZ 2400000
 601 #define RT5682_CLK_FREQ_12288000HZ 12288000
 602
 603 static int rt5682_clock_config(struct device *dev)
 604 {
 605         struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
 606         unsigned int clk_freq, value;
 607
 608         clk_freq = (rt5682->params.curr_dr_freq >> 1);
 609
 610         switch (clk_freq) {
 611         case RT5682_CLK_FREQ_12000000HZ:
 612                 value = 0x0;
 613                 break;
 614         case RT5682_CLK_FREQ_6000000HZ:
 615                 value = 0x1;
 616                 break;
 617         case RT5682_CLK_FREQ_9600000HZ:
 618                 value = 0x2;
 619                 break;
 620         case RT5682_CLK_FREQ_4800000HZ:
 621                 value = 0x3;
 622                 break;
 623         case RT5682_CLK_FREQ_2400000HZ:
 624                 value = 0x4;
 625                 break;
 626         case RT5682_CLK_FREQ_12288000HZ:
 627                 value = 0x5;
 628                 break;
 629         default:
 630                 return -EINVAL;
 631         }
 632
 633         regmap_write(rt5682->sdw_regmap, 0xe0, value);
 634         regmap_write(rt5682->sdw_regmap, 0xf0, value);
 635
 636         dev_dbg(dev, "%s complete, clk_freq=%d\n", __func__, clk_freq);
 637
 638         return 0;
 639 }
 640
 641 static int rt5682_bus_config(struct sdw_slave *slave,
 642                                         struct sdw_bus_params *params)
 643 {
 644         struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);
 645         int ret;
 646
 647         memcpy(&rt5682->params, params, sizeof(*params));
 648
 649         ret = rt5682_clock_config(&slave->dev);
 650         if (ret < 0)
 651                 dev_err(&slave->dev, "Invalid clk config");
 652
 653         return ret;
 654 }
 655
 656 static int rt5682_interrupt_callback(struct sdw_slave *slave,
 657                                         struct sdw_slave_intr_status *status)
 658 {
 659         struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);
 660
 661         dev_dbg(&slave->dev,
 662                 "%s control_port_stat=%x", __func__, status->control_port);
 663
 664         mutex_lock(&rt5682->disable_irq_lock);
 665         if (status->control_port & 0x4 && !rt5682->disable_irq) {
 666                 mod_delayed_work(system_power_efficient_wq,
 667                         &rt5682->jack_detect_work, msecs_to_jiffies(rt5682->irq_work_delay_time));
 668         }
 669         mutex_unlock(&rt5682->disable_irq_lock);
 670
 671         return 0;
 672 }
 673
 674 static const struct sdw_slave_ops rt5682_slave_ops = {
 675         .read_prop = rt5682_read_prop,
 676         .interrupt_callback = rt5682_interrupt_callback,
 677         .update_status = rt5682_update_status,
 678         .bus_config = rt5682_bus_config,
 679 };
 680
 681 static int rt5682_sdw_probe(struct sdw_slave *slave,
 682                            const struct sdw_device_id *id)
 683 {
 684         struct regmap *regmap;
 685
 686         /* Regmap Initialization */
 687         regmap = devm_regmap_init_sdw(slave, &rt5682_sdw_regmap);
 688         if (IS_ERR(regmap))
 689                 return -EINVAL;
 690
 691         return rt5682_sdw_init(&slave->dev, regmap, slave);
 692 }
 693
 694 static int rt5682_sdw_remove(struct sdw_slave *slave)
 695 {
 696         struct rt5682_priv *rt5682 = dev_get_drvdata(&slave->dev);
 697
 698         if (rt5682->hw_init)
 699                 cancel_delayed_work_sync(&rt5682->jack_detect_work);
 700
 701         pm_runtime_disable(&slave->dev);
 702
 703         return 0;
 704 }
 705
 706 static const struct sdw_device_id rt5682_id[] = {
 707         SDW_SLAVE_ENTRY_EXT(0x025d, 0x5682, 0x2, 0, 0),
 708         {},
 709 };
 710 MODULE_DEVICE_TABLE(sdw, rt5682_id);
 711
 712 static int __maybe_unused rt5682_dev_suspend(struct device *dev)
 713 {
 714         struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
 715
 716         if (!rt5682->hw_init)
 717                 return 0;
 718
 719         cancel_delayed_work_sync(&rt5682->jack_detect_work);
 720
 721         regcache_cache_only(rt5682->sdw_regmap, true);
 722         regcache_cache_only(rt5682->regmap, true);
 723         regcache_mark_dirty(rt5682->regmap);
 724
 725         return 0;
 726 }
 727
 728 static int __maybe_unused rt5682_dev_system_suspend(struct device *dev)
 729 {
 730         struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
 731         struct sdw_slave *slave = dev_to_sdw_dev(dev);
 732         int ret;
 733
 734         if (!rt5682->hw_init)
 735                 return 0;
 736
 737         /*
 738          * prevent new interrupts from being handled after the
 739          * deferred work completes and before the parent disables
 740          * interrupts on the link
 741          */
 742         mutex_lock(&rt5682->disable_irq_lock);
 743         rt5682->disable_irq = true;
 744         ret = sdw_update_no_pm(slave, SDW_SCP_INTMASK1,
 745                                SDW_SCP_INT1_IMPL_DEF, 0);
 746         mutex_unlock(&rt5682->disable_irq_lock);
 747
 748         if (ret < 0) {
 749                 /* log but don't prevent suspend from happening */
 750                 dev_dbg(&slave->dev, "%s: could not disable imp-def interrupts\n:", __func__);
 751         }
 752
 753         return rt5682_dev_suspend(dev);
 754 }
 755
 756 static int __maybe_unused rt5682_dev_resume(struct device *dev)
 757 {
 758         struct sdw_slave *slave = dev_to_sdw_dev(dev);
 759         struct rt5682_priv *rt5682 = dev_get_drvdata(dev);
 760         unsigned long time;
 761
 762         if (!rt5682->first_hw_init)
 763                 return 0;
 764
 765         if (!slave->unattach_request) {
 766                 if (rt5682->disable_irq == true) {
 767                         mutex_lock(&rt5682->disable_irq_lock);
 768                         sdw_write_no_pm(slave, SDW_SCP_INTMASK1, SDW_SCP_INT1_IMPL_DEF);
 769                         rt5682->disable_irq = false;
 770                         mutex_unlock(&rt5682->disable_irq_lock);
 771                 }
 772                 goto regmap_sync;
 773         }
 774
 775         time = wait_for_completion_timeout(&slave->initialization_complete,
 776                                 msecs_to_jiffies(RT5682_PROBE_TIMEOUT));
 777         if (!time) {
 778                 dev_err(&slave->dev, "Initialization not complete, timed out\n");
 779                 sdw_show_ping_status(slave->bus, true);
 780
 781                 return -ETIMEDOUT;
 782         }
 783
 784 regmap_sync:
 785         slave->unattach_request = 0;
 786         regcache_cache_only(rt5682->sdw_regmap, false);
 787         regcache_cache_only(rt5682->regmap, false);
 788         regcache_sync(rt5682->regmap);
 789
 790         return 0;
 791 }
 792
 793 static const struct dev_pm_ops rt5682_pm = {
 794         SET_SYSTEM_SLEEP_PM_OPS(rt5682_dev_system_suspend, rt5682_dev_resume)
 795         SET_RUNTIME_PM_OPS(rt5682_dev_suspend, rt5682_dev_resume, NULL)
 796 };
 797
 798 static struct sdw_driver rt5682_sdw_driver = {
 799         .driver = {
 800                 .name = "rt5682",
 801                 .owner = THIS_MODULE,
 802                 .pm = &rt5682_pm,
 803         },
 804         .probe = rt5682_sdw_probe,
 805         .remove = rt5682_sdw_remove,
 806         .ops = &rt5682_slave_ops,
 807         .id_table = rt5682_id,
 808 };
 809 module_sdw_driver(rt5682_sdw_driver);
 810
 811 MODULE_DESCRIPTION("ASoC RT5682 driver SDW");
 812 MODULE_AUTHOR("Oder Chiou <[email protected]>");
 813 MODULE_LICENSE("GPL v2");