sound/soc/codecs/rt712-sdca-sdw.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 //
   3 // rt712-sdca-sdw.c -- rt712 SDCA ALSA SoC audio driver
   4 //
   5 // Copyright(c) 2023 Realtek Semiconductor Corp.
   6 //
   7 //
   8
   9 #include <linux/delay.h>
  10 #include <linux/device.h>
  11 #include <linux/mod_devicetable.h>
  12 #include <linux/module.h>
  13 #include <linux/pm_runtime.h>
  14 #include <linux/soundwire/sdw_registers.h>
  15 #include "rt712-sdca.h"
  16 #include "rt712-sdca-sdw.h"
  17
  18 static bool rt712_sdca_readable_register(struct device *dev, unsigned int reg)
  19 {
  20         switch (reg) {
  21         case 0x201a ... 0x201f:
  22         case 0x2029 ... 0x202a:
  23         case 0x202d ... 0x2034:
  24         case 0x2230 ... 0x2232:
  25         case 0x2f01 ... 0x2f0a:
  26         case 0x2f35 ... 0x2f36:
  27         case 0x2f50:
  28         case 0x2f54:
  29         case 0x2f58 ... 0x2f5d:
  30         case 0x3201:
  31         case 0x320c:
  32         case 0x3301 ... 0x3303:
  33         case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_GE49, RT712_SDCA_CTL_SELECTED_MODE, 0):
  34         case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_GE49, RT712_SDCA_CTL_DETECTED_MODE, 0):
  35         case SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_CURRENT_OWNER, 0) ...
  36                 SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_MESSAGE_LENGTH, 0):
  37         case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT0, RT712_SDCA_CTL_FUNC_STATUS, 0):
  38         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT0, RT712_SDCA_CTL_FUNC_STATUS, 0):
  39         case SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT0, RT712_SDCA_CTL_FUNC_STATUS, 0):
  40         case SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT0, RT712_SDCA_CTL_FUNC_STATUS, 0):
  41         case RT712_BUF_ADDR_HID1 ... RT712_BUF_ADDR_HID2:
  42                 return true;
  43         default:
  44                 return false;
  45         }
  46 }
  47
  48 static bool rt712_sdca_volatile_register(struct device *dev, unsigned int reg)
  49 {
  50         switch (reg) {
  51         case 0x201b:
  52         case 0x201c:
  53         case 0x201d:
  54         case 0x201f:
  55         case 0x202d ... 0x202f:
  56         case 0x2230:
  57         case 0x2f01:
  58         case 0x2f35:
  59         case 0x320c:
  60         case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_GE49, RT712_SDCA_CTL_DETECTED_MODE, 0):
  61         case SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_CURRENT_OWNER, 0) ...
  62                 SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT_HID01, RT712_SDCA_CTL_HIDTX_MESSAGE_LENGTH, 0):
  63         case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT0, RT712_SDCA_CTL_FUNC_STATUS, 0):
  64         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT0, RT712_SDCA_CTL_FUNC_STATUS, 0):
  65         case SDW_SDCA_CTL(FUNC_NUM_HID, RT712_SDCA_ENT0, RT712_SDCA_CTL_FUNC_STATUS, 0):
  66         case SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT0, RT712_SDCA_CTL_FUNC_STATUS, 0):
  67         case RT712_BUF_ADDR_HID1 ... RT712_BUF_ADDR_HID2:
  68                 return true;
  69         default:
  70                 return false;
  71         }
  72 }
  73
  74 static bool rt712_sdca_mbq_readable_register(struct device *dev, unsigned int reg)
  75 {
  76         switch (reg) {
  77         case 0x2000000 ... 0x200008e:
  78         case 0x5300000 ... 0x530000e:
  79         case 0x5400000 ... 0x540000e:
  80         case 0x5600000 ... 0x5600008:
  81         case 0x5700000 ... 0x570000d:
  82         case 0x5800000 ... 0x5800021:
  83         case 0x5900000 ... 0x5900028:
  84         case 0x5a00000 ... 0x5a00009:
  85         case 0x5b00000 ... 0x5b00051:
  86         case 0x5c00000 ... 0x5c0009a:
  87         case 0x5d00000 ... 0x5d00009:
  88         case 0x5f00000 ... 0x5f00030:
  89         case 0x6100000 ... 0x61000f1:
  90         case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_VOLUME, CH_01):
  91         case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU05, RT712_SDCA_CTL_FU_VOLUME, CH_02):
  92         case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU0F, RT712_SDCA_CTL_FU_VOLUME, CH_01):
  93         case SDW_SDCA_CTL(FUNC_NUM_JACK_CODEC, RT712_SDCA_ENT_USER_FU0F, RT712_SDCA_CTL_FU_VOLUME, CH_02):
  94         case SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_USER_FU06, RT712_SDCA_CTL_FU_VOLUME, CH_01):
  95         case SDW_SDCA_CTL(FUNC_NUM_AMP, RT712_SDCA_ENT_USER_FU06, RT712_SDCA_CTL_FU_VOLUME, CH_02):
  96         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_01):
  97         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_02):
  98         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_03):
  99         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_USER_FU1E, RT712_SDCA_CTL_FU_VOLUME, CH_04):
 100         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_01):
 101         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_02):
 102         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_03):
 103         case SDW_SDCA_CTL(FUNC_NUM_MIC_ARRAY, RT712_SDCA_ENT_PLATFORM_FU15, RT712_SDCA_CTL_FU_CH_GAIN, CH_04):
 104                 return true;
 105         default:
 106                 return false;
 107         }
 108 }
 109
 110 static bool rt712_sdca_mbq_volatile_register(struct device *dev, unsigned int reg)
 111 {
 112         switch (reg) {
 113         case 0x2000000:
 114         case 0x200001a:
 115         case 0x2000020:
 116         case 0x2000024:
 117         case 0x2000030:
 118         case 0x2000046:
 119         case 0x200008a:
 120         case 0x5800000:
 121         case 0x5800001:
 122         case 0x6100008:
 123                 return true;
 124         default:
 125                 return false;
 126         }
 127 }
 128
 129 static const struct regmap_config rt712_sdca_regmap = {
 130         .reg_bits = 32,
 131         .val_bits = 8,
 132         .readable_reg = rt712_sdca_readable_register,
 133         .volatile_reg = rt712_sdca_volatile_register,
 134         .max_register = 0x44ffffff,
 135         .reg_defaults = rt712_sdca_reg_defaults,
 136         .num_reg_defaults = ARRAY_SIZE(rt712_sdca_reg_defaults),
 137         .cache_type = REGCACHE_MAPLE,
 138         .use_single_read = true,
 139         .use_single_write = true,
 140 };
 141
 142 static const struct regmap_config rt712_sdca_mbq_regmap = {
 143         .name = "sdw-mbq",
 144         .reg_bits = 32,
 145         .val_bits = 16,
 146         .readable_reg = rt712_sdca_mbq_readable_register,
 147         .volatile_reg = rt712_sdca_mbq_volatile_register,
 148         .max_register = 0x41000312,
 149         .reg_defaults = rt712_sdca_mbq_defaults,
 150         .num_reg_defaults = ARRAY_SIZE(rt712_sdca_mbq_defaults),
 151         .cache_type = REGCACHE_MAPLE,
 152         .use_single_read = true,
 153         .use_single_write = true,
 154 };
 155
 156 static int rt712_sdca_update_status(struct sdw_slave *slave,
 157                                 enum sdw_slave_status status)
 158 {
 159         struct rt712_sdca_priv *rt712 = dev_get_drvdata(&slave->dev);
 160
 161         if (status == SDW_SLAVE_UNATTACHED)
 162                 rt712->hw_init = false;
 163
 164         if (status == SDW_SLAVE_ATTACHED) {
 165                 if (rt712->hs_jack) {
 166                         /*
 167                          * Due to the SCP_SDCA_INTMASK will be cleared by any reset, and then
 168                          * if the device attached again, we will need to set the setting back.
 169                          * It could avoid losing the jack detection interrupt.
 170                          * This also could sync with the cache value as the rt712_sdca_jack_init set.
 171                          */
 172                         sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INTMASK1,
 173                                 SDW_SCP_SDCA_INTMASK_SDCA_0);
 174                         sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INTMASK2,
 175                                 SDW_SCP_SDCA_INTMASK_SDCA_8);
 176                 }
 177         }
 178
 179         /*
 180          * Perform initialization only if slave status is present and
 181          * hw_init flag is false
 182          */
 183         if (rt712->hw_init || status != SDW_SLAVE_ATTACHED)
 184                 return 0;
 185
 186         /* perform I/O transfers required for Slave initialization */
 187         return rt712_sdca_io_init(&slave->dev, slave);
 188 }
 189
 190 static int rt712_sdca_read_prop(struct sdw_slave *slave)
 191 {
 192         struct sdw_slave_prop *prop = &slave->prop;
 193         int nval;
 194         int i, j;
 195         u32 bit;
 196         unsigned long addr;
 197         struct sdw_dpn_prop *dpn;
 198
 199         sdw_slave_read_prop(slave);
 200
 201         prop->scp_int1_mask = SDW_SCP_INT1_BUS_CLASH | SDW_SCP_INT1_PARITY;
 202         prop->quirks = SDW_SLAVE_QUIRKS_INVALID_INITIAL_PARITY;
 203
 204         prop->paging_support = true;
 205
 206         /* first we need to allocate memory for set bits in port lists */
 207         prop->source_ports = BIT(8) | BIT(4); /* BITMAP: 100010000 */
 208         prop->sink_ports = BIT(3) | BIT(1); /* BITMAP:  00001010 */
 209
 210         nval = hweight32(prop->source_ports);
 211         prop->src_dpn_prop = devm_kcalloc(&slave->dev, nval,
 212                 sizeof(*prop->src_dpn_prop), GFP_KERNEL);
 213         if (!prop->src_dpn_prop)
 214                 return -ENOMEM;
 215
 216         i = 0;
 217         dpn = prop->src_dpn_prop;
 218         addr = prop->source_ports;
 219         for_each_set_bit(bit, &addr, 32) {
 220                 dpn[i].num = bit;
 221                 dpn[i].type = SDW_DPN_FULL;
 222                 dpn[i].simple_ch_prep_sm = true;
 223                 dpn[i].ch_prep_timeout = 10;
 224                 i++;
 225         }
 226
 227         /* do this again for sink now */
 228         nval = hweight32(prop->sink_ports);
 229         prop->sink_dpn_prop = devm_kcalloc(&slave->dev, nval,
 230                 sizeof(*prop->sink_dpn_prop), GFP_KERNEL);
 231         if (!prop->sink_dpn_prop)
 232                 return -ENOMEM;
 233
 234         j = 0;
 235         dpn = prop->sink_dpn_prop;
 236         addr = prop->sink_ports;
 237         for_each_set_bit(bit, &addr, 32) {
 238                 dpn[j].num = bit;
 239                 dpn[j].type = SDW_DPN_FULL;
 240                 dpn[j].simple_ch_prep_sm = true;
 241                 dpn[j].ch_prep_timeout = 10;
 242                 j++;
 243         }
 244
 245         /* set the timeout values */
 246         prop->clk_stop_timeout = 1380;
 247
 248         /* wake-up event */
 249         prop->wake_capable = 1;
 250
 251         return 0;
 252 }
 253
 254 static int rt712_sdca_interrupt_callback(struct sdw_slave *slave,
 255                                         struct sdw_slave_intr_status *status)
 256 {
 257         struct rt712_sdca_priv *rt712 = dev_get_drvdata(&slave->dev);
 258         int ret, stat;
 259         int count = 0, retry = 3;
 260         unsigned int sdca_cascade, scp_sdca_stat1, scp_sdca_stat2 = 0;
 261
 262         dev_dbg(&slave->dev,
 263                 "%s control_port_stat=%x, sdca_cascade=%x", __func__,
 264                 status->control_port, status->sdca_cascade);
 265
 266         if (cancel_delayed_work_sync(&rt712->jack_detect_work)) {
 267                 dev_warn(&slave->dev, "%s the pending delayed_work was cancelled", __func__);
 268                 /* avoid the HID owner doesn't change to device */
 269                 if (rt712->scp_sdca_stat2)
 270                         scp_sdca_stat2 = rt712->scp_sdca_stat2;
 271         }
 272
 273         /*
 274          * The critical section below intentionally protects a rather large piece of code.
 275          * We don't want to allow the system suspend to disable an interrupt while we are
 276          * processing it, which could be problematic given the quirky SoundWire interrupt
 277          * scheme. We do want however to prevent new workqueues from being scheduled if
 278          * the disable_irq flag was set during system suspend.
 279          */
 280         mutex_lock(&rt712->disable_irq_lock);
 281
 282         ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT1);
 283         if (ret < 0)
 284                 goto io_error;
 285         rt712->scp_sdca_stat1 = ret;
 286         ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT2);
 287         if (ret < 0)
 288                 goto io_error;
 289         rt712->scp_sdca_stat2 = ret;
 290         if (scp_sdca_stat2)
 291                 rt712->scp_sdca_stat2 |= scp_sdca_stat2;
 292
 293         do {
 294                 /* clear flag */
 295                 ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT1);
 296                 if (ret < 0)
 297                         goto io_error;
 298                 if (ret & SDW_SCP_SDCA_INTMASK_SDCA_0) {
 299                         ret = sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INT1,
 300                                                 SDW_SCP_SDCA_INTMASK_SDCA_0);
 301                         if (ret < 0)
 302                                 goto io_error;
 303                 }
 304                 ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT2);
 305                 if (ret < 0)
 306                         goto io_error;
 307                 if (ret & SDW_SCP_SDCA_INTMASK_SDCA_8) {
 308                         ret = sdw_write_no_pm(rt712->slave, SDW_SCP_SDCA_INT2,
 309                                                 SDW_SCP_SDCA_INTMASK_SDCA_8);
 310                         if (ret < 0)
 311                                 goto io_error;
 312                 }
 313
 314                 /* check if flag clear or not */
 315                 ret = sdw_read_no_pm(rt712->slave, SDW_DP0_INT);
 316                 if (ret < 0)
 317                         goto io_error;
 318                 sdca_cascade = ret & SDW_DP0_SDCA_CASCADE;
 319
 320                 ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT1);
 321                 if (ret < 0)
 322                         goto io_error;
 323                 scp_sdca_stat1 = ret & SDW_SCP_SDCA_INTMASK_SDCA_0;
 324
 325                 ret = sdw_read_no_pm(rt712->slave, SDW_SCP_SDCA_INT2);
 326                 if (ret < 0)
 327                         goto io_error;
 328                 scp_sdca_stat2 = ret & SDW_SCP_SDCA_INTMASK_SDCA_8;
 329
 330                 stat = scp_sdca_stat1 || scp_sdca_stat2 || sdca_cascade;
 331
 332                 count++;
 333         } while (stat != 0 && count < retry);
 334
 335         if (stat)
 336                 dev_warn(&slave->dev,
 337                         "%s scp_sdca_stat1=0x%x, scp_sdca_stat2=0x%x\n", __func__,
 338                         rt712->scp_sdca_stat1, rt712->scp_sdca_stat2);
 339
 340         if (status->sdca_cascade && !rt712->disable_irq)
 341                 mod_delayed_work(system_power_efficient_wq,
 342                         &rt712->jack_detect_work, msecs_to_jiffies(30));
 343
 344         mutex_unlock(&rt712->disable_irq_lock);
 345
 346         return 0;
 347
 348 io_error:
 349         mutex_unlock(&rt712->disable_irq_lock);
 350         pr_err_ratelimited("IO error in %s, ret %d\n", __func__, ret);
 351         return ret;
 352 }
 353
 354 static const struct sdw_slave_ops rt712_sdca_slave_ops = {
 355         .read_prop = rt712_sdca_read_prop,
 356         .interrupt_callback = rt712_sdca_interrupt_callback,
 357         .update_status = rt712_sdca_update_status,
 358 };
 359
 360 static int rt712_sdca_sdw_probe(struct sdw_slave *slave,
 361                                 const struct sdw_device_id *id)
 362 {
 363         struct regmap *regmap, *mbq_regmap;
 364
 365         /* Regmap Initialization */
 366         mbq_regmap = devm_regmap_init_sdw_mbq(slave, &rt712_sdca_mbq_regmap);
 367         if (IS_ERR(mbq_regmap))
 368                 return PTR_ERR(mbq_regmap);
 369
 370         regmap = devm_regmap_init_sdw(slave, &rt712_sdca_regmap);
 371         if (IS_ERR(regmap))
 372                 return PTR_ERR(regmap);
 373
 374         return rt712_sdca_init(&slave->dev, regmap, mbq_regmap, slave);
 375 }
 376
 377 static int rt712_sdca_sdw_remove(struct sdw_slave *slave)
 378 {
 379         struct rt712_sdca_priv *rt712 = dev_get_drvdata(&slave->dev);
 380
 381         if (rt712->hw_init) {
 382                 cancel_delayed_work_sync(&rt712->jack_detect_work);
 383                 cancel_delayed_work_sync(&rt712->jack_btn_check_work);
 384         }
 385
 386         pm_runtime_disable(&slave->dev);
 387
 388         mutex_destroy(&rt712->calibrate_mutex);
 389         mutex_destroy(&rt712->disable_irq_lock);
 390
 391         return 0;
 392 }
 393
 394 static const struct sdw_device_id rt712_sdca_id[] = {
 395         SDW_SLAVE_ENTRY_EXT(0x025d, 0x712, 0x3, 0x1, 0),
 396         SDW_SLAVE_ENTRY_EXT(0x025d, 0x713, 0x3, 0x1, 0),
 397         SDW_SLAVE_ENTRY_EXT(0x025d, 0x716, 0x3, 0x1, 0),
 398         SDW_SLAVE_ENTRY_EXT(0x025d, 0x717, 0x3, 0x1, 0),
 399         {},
 400 };
 401 MODULE_DEVICE_TABLE(sdw, rt712_sdca_id);
 402
 403 static int __maybe_unused rt712_sdca_dev_suspend(struct device *dev)
 404 {
 405         struct rt712_sdca_priv *rt712 = dev_get_drvdata(dev);
 406
 407         if (!rt712->hw_init)
 408                 return 0;
 409
 410         cancel_delayed_work_sync(&rt712->jack_detect_work);
 411         cancel_delayed_work_sync(&rt712->jack_btn_check_work);
 412
 413         regcache_cache_only(rt712->regmap, true);
 414         regcache_cache_only(rt712->mbq_regmap, true);
 415
 416         return 0;
 417 }
 418
 419 static int __maybe_unused rt712_sdca_dev_system_suspend(struct device *dev)
 420 {
 421         struct rt712_sdca_priv *rt712_sdca = dev_get_drvdata(dev);
 422         struct sdw_slave *slave = dev_to_sdw_dev(dev);
 423         int ret1, ret2;
 424
 425         if (!rt712_sdca->hw_init)
 426                 return 0;
 427
 428         /*
 429          * prevent new interrupts from being handled after the
 430          * deferred work completes and before the parent disables
 431          * interrupts on the link
 432          */
 433         mutex_lock(&rt712_sdca->disable_irq_lock);
 434         rt712_sdca->disable_irq = true;
 435         ret1 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK1,
 436                                 SDW_SCP_SDCA_INTMASK_SDCA_0, 0);
 437         ret2 = sdw_update_no_pm(slave, SDW_SCP_SDCA_INTMASK2,
 438                                 SDW_SCP_SDCA_INTMASK_SDCA_8, 0);
 439         mutex_unlock(&rt712_sdca->disable_irq_lock);
 440
 441         if (ret1 < 0 || ret2 < 0) {
 442                 /* log but don't prevent suspend from happening */
 443                 dev_dbg(&slave->dev, "%s: could not disable SDCA interrupts\n:", __func__);
 444         }
 445
 446         return rt712_sdca_dev_suspend(dev);
 447 }
 448
 449 #define RT712_PROBE_TIMEOUT 5000
 450
 451 static int __maybe_unused rt712_sdca_dev_resume(struct device *dev)
 452 {
 453         struct sdw_slave *slave = dev_to_sdw_dev(dev);
 454         struct rt712_sdca_priv *rt712 = dev_get_drvdata(dev);
 455         unsigned long time;
 456
 457         if (!rt712->first_hw_init)
 458                 return 0;
 459
 460         if (!slave->unattach_request) {
 461                 mutex_lock(&rt712->disable_irq_lock);
 462                 if (rt712->disable_irq == true) {
 463
 464                         sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK1, SDW_SCP_SDCA_INTMASK_SDCA_0);
 465                         sdw_write_no_pm(slave, SDW_SCP_SDCA_INTMASK2, SDW_SCP_SDCA_INTMASK_SDCA_8);
 466                         rt712->disable_irq = false;
 467                 }
 468                 mutex_unlock(&rt712->disable_irq_lock);
 469                 goto regmap_sync;
 470         }
 471
 472         time = wait_for_completion_timeout(&slave->initialization_complete,
 473                                 msecs_to_jiffies(RT712_PROBE_TIMEOUT));
 474         if (!time) {
 475                 dev_err(&slave->dev, "%s: Initialization not complete, timed out\n", __func__);
 476                 sdw_show_ping_status(slave->bus, true);
 477
 478                 return -ETIMEDOUT;
 479         }
 480
 481 regmap_sync:
 482         slave->unattach_request = 0;
 483         regcache_cache_only(rt712->regmap, false);
 484         regcache_sync(rt712->regmap);
 485         regcache_cache_only(rt712->mbq_regmap, false);
 486         regcache_sync(rt712->mbq_regmap);
 487         return 0;
 488 }
 489
 490 static const struct dev_pm_ops rt712_sdca_pm = {
 491         SET_SYSTEM_SLEEP_PM_OPS(rt712_sdca_dev_system_suspend, rt712_sdca_dev_resume)
 492         SET_RUNTIME_PM_OPS(rt712_sdca_dev_suspend, rt712_sdca_dev_resume, NULL)
 493 };
 494
 495 static struct sdw_driver rt712_sdca_sdw_driver = {
 496         .driver = {
 497                 .name = "rt712-sdca",
 498                 .pm = &rt712_sdca_pm,
 499         },
 500         .probe = rt712_sdca_sdw_probe,
 501         .remove = rt712_sdca_sdw_remove,
 502         .ops = &rt712_sdca_slave_ops,
 503         .id_table = rt712_sdca_id,
 504 };
 505 module_sdw_driver(rt712_sdca_sdw_driver);
 506
 507 MODULE_DESCRIPTION("ASoC RT712 SDCA SDW driver");
 508 MODULE_AUTHOR("Shuming Fan <shumingf@realtek.com>");
 509 MODULE_LICENSE("GPL");
 510 MODULE_IMPORT_NS("SND_SOC_SDCA");