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 <oder_chiou@realtek.com> 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 39static 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 58static 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 74static 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 89static 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 97static 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 103static 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, "%s: Unable to configure port\n", __func__); 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 222static 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 237static 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 244static 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 297static 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, "%s: Failed to allocate register map: %d\n", 319 __func__, 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 368static 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, "%s: Device with ID register %x is not rt5682\n", __func__, 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 468reinit: 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 476err_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 485static 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 501static 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 512static 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 531static 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 603static 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 641static 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, "%s: Invalid clk config", __func__); 652 653 return ret; 654} 655 656static 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 674static 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 681static 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 694static 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 706static const struct sdw_device_id rt5682_id[] = { 707 SDW_SLAVE_ENTRY_EXT(0x025d, 0x5682, 0x2, 0, 0), 708 {}, 709}; 710MODULE_DEVICE_TABLE(sdw, rt5682_id); 711 712static 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 728static 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 756static 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 mutex_lock(&rt5682->disable_irq_lock); 767 if (rt5682->disable_irq == true) { 768 sdw_write_no_pm(slave, SDW_SCP_INTMASK1, SDW_SCP_INT1_IMPL_DEF); 769 rt5682->disable_irq = false; 770 } 771 mutex_unlock(&rt5682->disable_irq_lock); 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, "%s: Initialization not complete, timed out\n", __func__); 779 sdw_show_ping_status(slave->bus, true); 780 781 return -ETIMEDOUT; 782 } 783 784regmap_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 793static 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 798static 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}; 809module_sdw_driver(rt5682_sdw_driver); 810 811MODULE_DESCRIPTION("ASoC RT5682 driver SDW"); 812MODULE_AUTHOR("Oder Chiou <oder_chiou@realtek.com>"); 813MODULE_LICENSE("GPL v2"); 814