1 // SPDX-License-Identifier: GPL-2.0 2 // 3 // TAS2781 HDA SPI driver 4 // 5 // Copyright 2024 - 2026 Texas Instruments, Inc. 6 // 7 // Author: Baojun Xu <baojun.xu@ti.com> 8 9 #include <linux/acpi.h> 10 #include <linux/array_size.h> 11 #include <linux/bits.h> 12 #include <linux/cleanup.h> 13 #include <linux/crc8.h> 14 #include <linux/crc32.h> 15 #include <linux/efi.h> 16 #include <linux/firmware.h> 17 #include <linux/mod_devicetable.h> 18 #include <linux/module.h> 19 #include <linux/mutex.h> 20 #include <linux/pm_runtime.h> 21 #include <linux/property.h> 22 #include <linux/regmap.h> 23 #include <linux/spi/spi.h> 24 #include <linux/time.h> 25 #include <linux/types.h> 26 #include <linux/units.h> 27 28 #include <sound/hda_codec.h> 29 #include <sound/soc.h> 30 #include <sound/tas2781.h> 31 #include <sound/tlv.h> 32 #include <sound/tas2781-tlv.h> 33 34 #include "hda_local.h" 35 #include "hda_auto_parser.h" 36 #include "hda_component.h" 37 #include "hda_jack.h" 38 #include "../generic.h" 39 #include "tas2781_hda.h" 40 41 #define TASDEVICE_RANGE_MAX_SIZE (256 * 128) 42 #define TASDEVICE_WIN_LEN 128 43 #define TAS2781_SPI_MAX_FREQ (4 * HZ_PER_MHZ) 44 45 /* System Reset Check Register */ 46 #define TAS2781_REG_CLK_CONFIG TASDEVICE_REG(0x0, 0x0, 0x5c) 47 #define TAS2781_REG_CLK_CONFIG_RESET 0x19 48 49 struct tas2781_hda_spi_priv { 50 struct snd_kcontrol *snd_ctls[3]; 51 }; 52 53 static const struct regmap_range_cfg tasdevice_ranges[] = { 54 { 55 .range_min = 0, 56 .range_max = TASDEVICE_RANGE_MAX_SIZE, 57 .selector_reg = TASDEVICE_PAGE_SELECT, 58 .selector_mask = GENMASK(7, 0), 59 .selector_shift = 0, 60 .window_start = 0, 61 .window_len = TASDEVICE_WIN_LEN, 62 }, 63 }; 64 65 static const struct regmap_config tasdevice_regmap = { 66 .reg_bits = 8, 67 .val_bits = 8, 68 .zero_flag_mask = true, 69 .read_flag_mask = 0x01, 70 .reg_shift = -1, 71 .cache_type = REGCACHE_NONE, 72 .ranges = tasdevice_ranges, 73 .num_ranges = ARRAY_SIZE(tasdevice_ranges), 74 .max_register = TASDEVICE_RANGE_MAX_SIZE, 75 }; 76 77 static int tasdevice_spi_dev_read(struct tasdevice_priv *tas_priv, 78 unsigned short chn, unsigned int reg, unsigned int *val) 79 { 80 int ret; 81 82 /* 83 * In our TAS2781 SPI mode, if read from other book (not book 0), 84 * or read from page number larger than 1 in book 0, one more byte 85 * read is needed, and first byte is a dummy byte, need to be ignored. 86 */ 87 if ((TASDEVICE_BOOK_ID(reg) > 0) || (TASDEVICE_PAGE_ID(reg) > 1)) { 88 unsigned char data[2]; 89 90 ret = tasdevice_dev_bulk_read(tas_priv, chn, reg, 91 data, sizeof(data)); 92 *val = data[1]; 93 } else { 94 ret = tasdevice_dev_read(tas_priv, chn, reg, val); 95 } 96 if (ret < 0) 97 dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); 98 99 return ret; 100 } 101 102 static int tasdevice_spi_dev_bulk_read(struct tasdevice_priv *tas_priv, 103 unsigned short chn, unsigned int reg, unsigned char *data, 104 unsigned int len) 105 { 106 int ret; 107 108 /* 109 * In our TAS2781 SPI mode, if read from other book (not book 0), 110 * or read from page number larger than 1 in book 0, one more byte 111 * read is needed, and first byte is a dummy byte, need to be ignored. 112 */ 113 if ((TASDEVICE_BOOK_ID(reg) > 0) || (TASDEVICE_PAGE_ID(reg) > 1)) { 114 unsigned char buf[TASDEVICE_WIN_LEN + 1]; 115 116 ret = tasdevice_dev_bulk_read(tas_priv, chn, reg, 117 buf, len + 1); 118 memcpy(data, buf + 1, len); 119 } else { 120 ret = tasdevice_dev_bulk_read(tas_priv, chn, reg, data, len); 121 } 122 if (ret < 0) 123 dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); 124 125 return ret; 126 } 127 128 static int tasdevice_spi_dev_update_bits(struct tasdevice_priv *tas_priv, 129 unsigned short chn, unsigned int reg, unsigned int mask, 130 unsigned int value) 131 { 132 int ret, val; 133 134 /* 135 * In TAS2781 SPI mode, when accessing non-book-zero or page numbers 136 * greater than 1 in book 0, an additional byte must be read. The 137 * first byte in such cases is a dummy byte and should be ignored. 138 */ 139 if ((TASDEVICE_BOOK_ID(reg) > 0) || (TASDEVICE_PAGE_ID(reg) > 1)) { 140 unsigned char buf[2]; 141 142 ret = tasdevice_dev_bulk_read(tas_priv, chn, reg, buf, 2); 143 val = buf[1]; 144 } else { 145 ret = tasdevice_dev_read(tas_priv, chn, reg, &val); 146 } 147 if (ret < 0) { 148 dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); 149 return ret; 150 } 151 152 ret = tasdevice_dev_write(tas_priv, chn, TASDEVICE_PAGE_REG(reg), 153 (val & ~mask) | (mask & value)); 154 if (ret < 0) 155 dev_err(tas_priv->dev, "%s, E=%d\n", __func__, ret); 156 157 return ret; 158 } 159 160 static int tasdevice_spi_change_chn_book(struct tasdevice_priv *p, 161 unsigned short chn, int book) 162 { 163 int ret = 0; 164 165 if (chn == p->index) { 166 struct tasdevice *tasdev = &p->tasdevice[chn]; 167 struct regmap *map = p->regmap; 168 169 if (tasdev->cur_book != book) { 170 ret = regmap_write(map, TASDEVICE_BOOKCTL_REG, book); 171 if (ret < 0) 172 dev_err(p->dev, "%s, E=%d\n", __func__, ret); 173 else 174 tasdev->cur_book = book; 175 } 176 } else { 177 ret = -EXDEV; 178 dev_dbg(p->dev, "Not error, %s ignore channel(%d)\n", 179 __func__, chn); 180 } 181 182 return ret; 183 } 184 185 static void tas2781_spi_reset(struct tasdevice_priv *tas_dev) 186 { 187 int ret; 188 189 if (tas_dev->reset) { 190 gpiod_set_value_cansleep(tas_dev->reset, 0); 191 fsleep(800); 192 gpiod_set_value_cansleep(tas_dev->reset, 1); 193 } else { 194 ret = tasdevice_dev_write(tas_dev, tas_dev->index, 195 TASDEVICE_REG_SWRESET, TASDEVICE_REG_SWRESET_RESET); 196 if (ret < 0) { 197 dev_err(tas_dev->dev, "dev sw-reset fail, %d\n", ret); 198 return; 199 } 200 fsleep(1000); 201 } 202 } 203 204 static int tascodec_spi_init(struct tasdevice_priv *tas_priv, 205 void *codec, struct module *module, 206 void (*cont)(const struct firmware *fw, void *context)) 207 { 208 int ret; 209 210 /* 211 * Codec Lock Hold to ensure that codec_probe and firmware parsing and 212 * loading do not simultaneously execute. 213 */ 214 guard(mutex)(&tas_priv->codec_lock); 215 216 scnprintf(tas_priv->rca_binaryname, 217 sizeof(tas_priv->rca_binaryname), "%sRCA%d.bin", 218 tas_priv->dev_name, tas_priv->ndev); 219 crc8_populate_msb(tas_priv->crc8_lkp_tbl, TASDEVICE_CRC8_POLYNOMIAL); 220 tas_priv->codec = codec; 221 ret = request_firmware_nowait(module, FW_ACTION_UEVENT, 222 tas_priv->rca_binaryname, tas_priv->dev, GFP_KERNEL, tas_priv, 223 cont); 224 if (ret) 225 dev_err(tas_priv->dev, "request_firmware_nowait err:0x%08x\n", 226 ret); 227 228 return ret; 229 } 230 231 static void tasdevice_spi_init(struct tasdevice_priv *tas_priv) 232 { 233 tas_priv->tasdevice[tas_priv->index].cur_book = -1; 234 tas_priv->tasdevice[tas_priv->index].cur_conf = -1; 235 tas_priv->tasdevice[tas_priv->index].cur_prog = -1; 236 237 tas_priv->isspi = true; 238 239 tas_priv->update_bits = tasdevice_spi_dev_update_bits; 240 tas_priv->change_chn_book = tasdevice_spi_change_chn_book; 241 tas_priv->dev_read = tasdevice_spi_dev_read; 242 tas_priv->dev_bulk_read = tasdevice_spi_dev_bulk_read; 243 244 mutex_init(&tas_priv->codec_lock); 245 } 246 247 static int tasdevice_spi_amp_putvol(struct tasdevice_priv *tas_priv, 248 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) 249 { 250 unsigned int invert = mc->invert; 251 unsigned char mask; 252 int max = mc->max; 253 int val, ret; 254 255 mask = rounddown_pow_of_two(max); 256 mask <<= mc->shift; 257 val = clamp(invert ? max - ucontrol->value.integer.value[0] : 258 ucontrol->value.integer.value[0], 0, max); 259 260 ret = tasdevice_spi_dev_update_bits(tas_priv, tas_priv->index, 261 mc->reg, mask, (unsigned int)(val << mc->shift)); 262 if (ret) 263 dev_err(tas_priv->dev, "set AMP vol error in dev %d\n", 264 tas_priv->index); 265 266 return ret; 267 } 268 269 static int tasdevice_spi_amp_getvol(struct tasdevice_priv *tas_priv, 270 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) 271 { 272 unsigned int invert = mc->invert; 273 unsigned char mask = 0; 274 int max = mc->max; 275 int ret, val; 276 277 ret = tasdevice_spi_dev_read(tas_priv, tas_priv->index, mc->reg, &val); 278 if (ret) { 279 dev_err(tas_priv->dev, "%s, get AMP vol error\n", __func__); 280 return ret; 281 } 282 283 mask = rounddown_pow_of_two(max); 284 mask <<= mc->shift; 285 val = (val & mask) >> mc->shift; 286 val = clamp(invert ? max - val : val, 0, max); 287 ucontrol->value.integer.value[0] = val; 288 289 return ret; 290 } 291 292 static int tasdevice_spi_digital_putvol(struct tasdevice_priv *p, 293 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) 294 { 295 unsigned int invert = mc->invert; 296 int max = mc->max; 297 int val, ret; 298 299 val = clamp(invert ? max - ucontrol->value.integer.value[0] : 300 ucontrol->value.integer.value[0], 0, max); 301 ret = tasdevice_dev_write(p, p->index, mc->reg, (unsigned int)val); 302 if (ret) 303 dev_err(p->dev, "set digital vol err in dev %d\n", p->index); 304 305 return ret; 306 } 307 308 static int tasdevice_spi_digital_getvol(struct tasdevice_priv *p, 309 struct snd_ctl_elem_value *ucontrol, struct soc_mixer_control *mc) 310 { 311 unsigned int invert = mc->invert; 312 int max = mc->max; 313 int ret, val; 314 315 ret = tasdevice_spi_dev_read(p, p->index, mc->reg, &val); 316 if (ret) { 317 dev_err(p->dev, "%s, get digital vol err\n", __func__); 318 return ret; 319 } 320 321 val = clamp(invert ? max - val : val, 0, max); 322 ucontrol->value.integer.value[0] = val; 323 324 return ret; 325 } 326 327 static int tas2781_read_acpi(struct tas2781_hda *tas_hda, 328 const char *hid, int id) 329 { 330 struct tasdevice_priv *p = tas_hda->priv; 331 struct acpi_device *adev; 332 struct device *physdev; 333 u32 values[HDA_MAX_COMPONENTS]; 334 const char *property; 335 size_t nval; 336 int ret, i; 337 338 adev = acpi_dev_get_first_match_dev(hid, NULL, -1); 339 if (!adev) { 340 dev_err(p->dev, "Failed to find ACPI device: %s\n", hid); 341 return -ENODEV; 342 } 343 344 strscpy(p->dev_name, hid, sizeof(p->dev_name)); 345 physdev = get_device(acpi_get_first_physical_node(adev)); 346 acpi_dev_put(adev); 347 348 property = "ti,dev-index"; 349 ret = device_property_count_u32(physdev, property); 350 if (ret <= 0 || ret > ARRAY_SIZE(values)) { 351 ret = -EINVAL; 352 goto err; 353 } 354 p->ndev = nval = ret; 355 356 ret = device_property_read_u32_array(physdev, property, values, nval); 357 if (ret) 358 goto err; 359 360 p->index = U8_MAX; 361 for (i = 0; i < nval; i++) { 362 if (values[i] == id) { 363 p->index = i; 364 break; 365 } 366 } 367 if (p->index == U8_MAX) { 368 dev_dbg(p->dev, "No index found in %s\n", property); 369 ret = -ENODEV; 370 goto err; 371 } 372 373 if (p->index == 0) { 374 /* All of amps share same RESET pin. */ 375 p->reset = devm_gpiod_get_index_optional(physdev, "reset", 376 p->index, GPIOD_OUT_LOW); 377 if (IS_ERR(p->reset)) { 378 ret = PTR_ERR(p->reset); 379 dev_err_probe(p->dev, ret, "Failed on reset GPIO\n"); 380 goto err; 381 } 382 } 383 put_device(physdev); 384 385 return 0; 386 err: 387 dev_err(p->dev, "read acpi error, ret: %d\n", ret); 388 put_device(physdev); 389 acpi_dev_put(adev); 390 391 return ret; 392 } 393 394 static void tas2781_hda_playback_hook(struct device *dev, int action) 395 { 396 struct tas2781_hda *tas_hda = dev_get_drvdata(dev); 397 struct tasdevice_priv *tas_priv = tas_hda->priv; 398 399 if (action == HDA_GEN_PCM_ACT_OPEN) { 400 pm_runtime_get_sync(dev); 401 guard(mutex)(&tas_priv->codec_lock); 402 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK) 403 tasdevice_tuning_switch(tas_hda->priv, 0); 404 } else if (action == HDA_GEN_PCM_ACT_CLOSE) { 405 guard(mutex)(&tas_priv->codec_lock); 406 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK) 407 tasdevice_tuning_switch(tas_priv, 1); 408 pm_runtime_put_autosuspend(dev); 409 } 410 } 411 412 /* 413 * tas2781_digital_getvol - get the volum control 414 * @kcontrol: control pointer 415 * @ucontrol: User data 416 * 417 * Customer Kcontrol for tas2781 is primarily for regmap booking, paging 418 * depends on internal regmap mechanism. 419 * tas2781 contains book and page two-level register map, especially 420 * book switching will set the register BXXP00R7F, after switching to the 421 * correct book, then leverage the mechanism for paging to access the 422 * register. 423 * 424 * Return 0 if succeeded. 425 */ 426 static int tas2781_digital_getvol(struct snd_kcontrol *kcontrol, 427 struct snd_ctl_elem_value *ucontrol) 428 { 429 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); 430 struct soc_mixer_control *mc = 431 (struct soc_mixer_control *)kcontrol->private_value; 432 433 guard(mutex)(&tas_priv->codec_lock); 434 return tasdevice_spi_digital_getvol(tas_priv, ucontrol, mc); 435 } 436 437 static int tas2781_amp_getvol(struct snd_kcontrol *kcontrol, 438 struct snd_ctl_elem_value *ucontrol) 439 { 440 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); 441 struct soc_mixer_control *mc = 442 (struct soc_mixer_control *)kcontrol->private_value; 443 444 guard(mutex)(&tas_priv->codec_lock); 445 return tasdevice_spi_amp_getvol(tas_priv, ucontrol, mc); 446 } 447 448 static int tas2781_digital_putvol(struct snd_kcontrol *kcontrol, 449 struct snd_ctl_elem_value *ucontrol) 450 { 451 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); 452 struct soc_mixer_control *mc = 453 (struct soc_mixer_control *)kcontrol->private_value; 454 455 guard(mutex)(&tas_priv->codec_lock); 456 return tasdevice_spi_digital_putvol(tas_priv, ucontrol, mc); 457 } 458 459 static int tas2781_amp_putvol(struct snd_kcontrol *kcontrol, 460 struct snd_ctl_elem_value *ucontrol) 461 { 462 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); 463 struct soc_mixer_control *mc = 464 (struct soc_mixer_control *)kcontrol->private_value; 465 466 guard(mutex)(&tas_priv->codec_lock); 467 return tasdevice_spi_amp_putvol(tas_priv, ucontrol, mc); 468 } 469 470 static int tas2781_force_fwload_get(struct snd_kcontrol *kcontrol, 471 struct snd_ctl_elem_value *ucontrol) 472 { 473 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); 474 475 ucontrol->value.integer.value[0] = (int)tas_priv->force_fwload_status; 476 dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, 477 str_on_off(tas_priv->force_fwload_status)); 478 479 return 0; 480 } 481 482 static int tas2781_force_fwload_put(struct snd_kcontrol *kcontrol, 483 struct snd_ctl_elem_value *ucontrol) 484 { 485 struct tasdevice_priv *tas_priv = snd_kcontrol_chip(kcontrol); 486 bool change, val = (bool)ucontrol->value.integer.value[0]; 487 488 if (tas_priv->force_fwload_status == val) { 489 change = false; 490 } else { 491 change = true; 492 tas_priv->force_fwload_status = val; 493 } 494 dev_dbg(tas_priv->dev, "%s : Force FWload %s\n", __func__, 495 str_on_off(tas_priv->force_fwload_status)); 496 497 return change; 498 } 499 500 static struct snd_kcontrol_new tas2781_snd_ctls[] = { 501 ACARD_SINGLE_RANGE_EXT_TLV(NULL, TAS2781_AMP_LEVEL, 1, 0, 20, 0, 502 tas2781_amp_getvol, tas2781_amp_putvol, 503 tas2781_amp_tlv), 504 ACARD_SINGLE_RANGE_EXT_TLV(NULL, TAS2781_DVC_LVL, 0, 0, 200, 1, 505 tas2781_digital_getvol, tas2781_digital_putvol, 506 tas2781_dvc_tlv), 507 ACARD_SINGLE_BOOL_EXT(NULL, 0, tas2781_force_fwload_get, 508 tas2781_force_fwload_put), 509 }; 510 511 static struct snd_kcontrol_new tas2781_prof_ctl = { 512 .iface = SNDRV_CTL_ELEM_IFACE_CARD, 513 .info = tasdevice_info_profile, 514 .get = tasdevice_get_profile_id, 515 .put = tasdevice_set_profile_id, 516 }; 517 518 static struct snd_kcontrol_new tas2781_dsp_ctls[] = { 519 /* Speaker Program */ 520 { 521 .iface = SNDRV_CTL_ELEM_IFACE_CARD, 522 .info = tasdevice_info_programs, 523 .get = tasdevice_program_get, 524 .put = tasdevice_program_put, 525 }, 526 /* Speaker Config */ 527 { 528 .iface = SNDRV_CTL_ELEM_IFACE_CARD, 529 .info = tasdevice_info_config, 530 .get = tasdevice_config_get, 531 .put = tasdevice_config_put, 532 }, 533 }; 534 535 static void tas2781_hda_remove_controls(struct tas2781_hda *tas_hda) 536 { 537 struct hda_codec *codec = tas_hda->priv->codec; 538 struct tas2781_hda_spi_priv *h_priv = tas_hda->hda_priv; 539 540 snd_ctl_remove(codec->card, tas_hda->dsp_prog_ctl); 541 542 snd_ctl_remove(codec->card, tas_hda->dsp_conf_ctl); 543 544 for (int i = ARRAY_SIZE(h_priv->snd_ctls) - 1; i >= 0; i--) 545 snd_ctl_remove(codec->card, h_priv->snd_ctls[i]); 546 547 snd_ctl_remove(codec->card, tas_hda->prof_ctl); 548 } 549 550 static int tas2781_hda_spi_prf_ctl(struct tas2781_hda *h) 551 { 552 struct tasdevice_priv *p = h->priv; 553 struct hda_codec *c = p->codec; 554 char name[64]; 555 int rc; 556 557 snprintf(name, sizeof(name), "Speaker-%d Profile Id", p->index); 558 tas2781_prof_ctl.name = name; 559 h->prof_ctl = snd_ctl_new1(&tas2781_prof_ctl, p); 560 rc = snd_ctl_add(c->card, h->prof_ctl); 561 if (rc) 562 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", 563 tas2781_prof_ctl.name, rc); 564 return rc; 565 } 566 567 static int tas2781_hda_spi_snd_ctls(struct tas2781_hda *h) 568 { 569 struct tas2781_hda_spi_priv *h_priv = h->hda_priv; 570 struct tasdevice_priv *p = h->priv; 571 struct hda_codec *c = p->codec; 572 char name[64]; 573 int i = 0; 574 int rc; 575 576 snprintf(name, sizeof(name), "Speaker-%d Analog Volume", p->index); 577 tas2781_snd_ctls[i].name = name; 578 h_priv->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_ctls[i], p); 579 rc = snd_ctl_add(c->card, h_priv->snd_ctls[i]); 580 if (rc) { 581 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", 582 tas2781_snd_ctls[i].name, rc); 583 return rc; 584 } 585 i++; 586 snprintf(name, sizeof(name), "Speaker-%d Digital Volume", p->index); 587 tas2781_snd_ctls[i].name = name; 588 h_priv->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_ctls[i], p); 589 rc = snd_ctl_add(c->card, h_priv->snd_ctls[i]); 590 if (rc) { 591 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", 592 tas2781_snd_ctls[i].name, rc); 593 return rc; 594 } 595 i++; 596 snprintf(name, sizeof(name), "Froce Speaker-%d FW Load", p->index); 597 tas2781_snd_ctls[i].name = name; 598 h_priv->snd_ctls[i] = snd_ctl_new1(&tas2781_snd_ctls[i], p); 599 rc = snd_ctl_add(c->card, h_priv->snd_ctls[i]); 600 if (rc) { 601 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", 602 tas2781_snd_ctls[i].name, rc); 603 } 604 return rc; 605 } 606 607 static int tas2781_hda_spi_dsp_ctls(struct tas2781_hda *h) 608 { 609 struct tasdevice_priv *p = h->priv; 610 struct hda_codec *c = p->codec; 611 char name[64]; 612 int i = 0; 613 int rc; 614 615 snprintf(name, sizeof(name), "Speaker-%d Program Id", p->index); 616 tas2781_dsp_ctls[i].name = name; 617 h->dsp_prog_ctl = snd_ctl_new1(&tas2781_dsp_ctls[i], p); 618 rc = snd_ctl_add(c->card, h->dsp_prog_ctl); 619 if (rc) { 620 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", 621 tas2781_dsp_ctls[i].name, rc); 622 return rc; 623 } 624 i++; 625 snprintf(name, sizeof(name), "Speaker-%d Config Id", p->index); 626 tas2781_dsp_ctls[i].name = name; 627 h->dsp_conf_ctl = snd_ctl_new1(&tas2781_dsp_ctls[i], p); 628 rc = snd_ctl_add(c->card, h->dsp_conf_ctl); 629 if (rc) { 630 dev_err(p->dev, "Failed to add KControl: %s, rc = %d\n", 631 tas2781_dsp_ctls[i].name, rc); 632 } 633 634 return rc; 635 } 636 637 static void tasdev_fw_ready(const struct firmware *fmw, void *context) 638 { 639 struct tasdevice_priv *tas_priv = context; 640 struct tas2781_hda *tas_hda = dev_get_drvdata(tas_priv->dev); 641 struct hda_codec *codec = tas_priv->codec; 642 int ret; 643 644 guard(pm_runtime_active_auto)(tas_priv->dev); 645 guard(mutex)(&tas_priv->codec_lock); 646 647 ret = tasdevice_rca_parser(tas_priv, fmw); 648 if (ret) 649 goto out; 650 651 /* Add control one time only. */ 652 ret = tas2781_hda_spi_prf_ctl(tas_hda); 653 if (ret) 654 goto out; 655 656 ret = tas2781_hda_spi_snd_ctls(tas_hda); 657 if (ret) 658 goto out; 659 660 tasdevice_dsp_remove(tas_priv); 661 662 tas_priv->fw_state = TASDEVICE_DSP_FW_PENDING; 663 scnprintf(tas_priv->coef_binaryname, 64, "TAS2XXX%04X-%01d.bin", 664 lower_16_bits(codec->core.subsystem_id), tas_priv->index); 665 ret = tasdevice_dsp_parser(tas_priv); 666 if (ret) { 667 dev_err(tas_priv->dev, "dspfw load %s error\n", 668 tas_priv->coef_binaryname); 669 tas_priv->fw_state = TASDEVICE_DSP_FW_FAIL; 670 goto out; 671 } 672 673 ret = tas2781_hda_spi_dsp_ctls(tas_hda); 674 if (ret) 675 goto out; 676 /* Perform AMP reset before firmware download. */ 677 tas2781_spi_reset(tas_priv); 678 tas_priv->rcabin.profile_cfg_id = 0; 679 680 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK; 681 682 ret = tasdevice_prmg_load(tas_priv, 0); 683 if (ret < 0) { 684 dev_err(tas_priv->dev, "FW download failed = %d\n", ret); 685 goto out; 686 } 687 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK; 688 689 if (tas_priv->fmw->nr_programs > 0) 690 tas_priv->tasdevice[tas_priv->index].cur_prog = 0; 691 if (tas_priv->fmw->nr_configurations > 0) 692 tas_priv->tasdevice[tas_priv->index].cur_conf = 0; 693 694 /* 695 * If calibrated data occurs error, dsp will still works with default 696 * calibrated data inside algo. 697 */ 698 tas2781_save_calibration(tas_hda); 699 out: 700 release_firmware(fmw); 701 } 702 703 static int tas2781_hda_bind(struct device *dev, struct device *master, 704 void *master_data) 705 { 706 struct tas2781_hda *tas_hda = dev_get_drvdata(dev); 707 struct hda_component_parent *parent = master_data; 708 struct hda_component *comp; 709 struct hda_codec *codec; 710 int ret; 711 712 comp = hda_component_from_index(parent, tas_hda->priv->index); 713 if (!comp) 714 return -EINVAL; 715 716 if (comp->dev) 717 return -EBUSY; 718 719 codec = parent->codec; 720 721 guard(pm_runtime_active_auto)(dev); 722 723 comp->dev = dev; 724 725 strscpy(comp->name, dev_name(dev), sizeof(comp->name)); 726 727 ret = tascodec_spi_init(tas_hda->priv, codec, THIS_MODULE, 728 tasdev_fw_ready); 729 if (!ret) 730 comp->playback_hook = tas2781_hda_playback_hook; 731 732 /* Only HP Laptop support SPI-based TAS2781 */ 733 tas_hda->catlog_id = HP; 734 735 return ret; 736 } 737 738 static void tas2781_hda_unbind(struct device *dev, struct device *master, 739 void *master_data) 740 { 741 struct tas2781_hda *tas_hda = dev_get_drvdata(dev); 742 struct hda_component_parent *parent = master_data; 743 struct tasdevice_priv *tas_priv = tas_hda->priv; 744 struct hda_component *comp; 745 746 comp = hda_component_from_index(parent, tas_priv->index); 747 if (comp && (comp->dev == dev)) { 748 comp->dev = NULL; 749 memset(comp->name, 0, sizeof(comp->name)); 750 comp->playback_hook = NULL; 751 } 752 753 tas2781_hda_remove_controls(tas_hda); 754 755 tasdevice_config_info_remove(tas_priv); 756 tasdevice_dsp_remove(tas_priv); 757 758 tas_hda->priv->fw_state = TASDEVICE_DSP_FW_PENDING; 759 } 760 761 static const struct component_ops tas2781_hda_comp_ops = { 762 .bind = tas2781_hda_bind, 763 .unbind = tas2781_hda_unbind, 764 }; 765 766 static int tas2781_hda_spi_probe(struct spi_device *spi) 767 { 768 struct tas2781_hda_spi_priv *hda_priv; 769 struct tasdevice_priv *tas_priv; 770 struct tas2781_hda *tas_hda; 771 const char *device_name; 772 int ret = 0; 773 774 tas_hda = devm_kzalloc(&spi->dev, sizeof(*tas_hda), GFP_KERNEL); 775 if (!tas_hda) 776 return -ENOMEM; 777 778 hda_priv = devm_kzalloc(&spi->dev, sizeof(*hda_priv), GFP_KERNEL); 779 if (!hda_priv) 780 return -ENOMEM; 781 782 tas_hda->hda_priv = hda_priv; 783 spi->max_speed_hz = TAS2781_SPI_MAX_FREQ; 784 785 tas_priv = devm_kzalloc(&spi->dev, sizeof(*tas_priv), GFP_KERNEL); 786 if (!tas_priv) 787 return -ENOMEM; 788 tas_priv->dev = &spi->dev; 789 tas_hda->priv = tas_priv; 790 tas_priv->regmap = devm_regmap_init_spi(spi, &tasdevice_regmap); 791 if (IS_ERR(tas_priv->regmap)) { 792 ret = PTR_ERR(tas_priv->regmap); 793 dev_err(tas_priv->dev, "Failed to allocate regmap: %d\n", 794 ret); 795 return ret; 796 } 797 if (strstr(dev_name(&spi->dev), "TXNW2781")) { 798 device_name = "TXNW2781"; 799 tas_hda->priv->chip_id = TAS2781; 800 } else { 801 dev_err(tas_priv->dev, "Unmatched spi dev %s\n", 802 dev_name(&spi->dev)); 803 return -ENODEV; 804 } 805 806 tas_priv->irq = spi->irq; 807 dev_set_drvdata(&spi->dev, tas_hda); 808 ret = tas2781_read_acpi(tas_hda, device_name, 809 spi_get_chipselect(spi, 0)); 810 if (ret) 811 return dev_err_probe(tas_priv->dev, ret, 812 "Platform not supported\n"); 813 814 tasdevice_spi_init(tas_priv); 815 816 pm_runtime_set_autosuspend_delay(tas_priv->dev, 3000); 817 pm_runtime_use_autosuspend(tas_priv->dev); 818 pm_runtime_set_active(tas_priv->dev); 819 pm_runtime_get_noresume(tas_priv->dev); 820 pm_runtime_enable(tas_priv->dev); 821 822 pm_runtime_put_autosuspend(tas_priv->dev); 823 824 ret = component_add(tas_priv->dev, &tas2781_hda_comp_ops); 825 if (ret) { 826 dev_err(tas_priv->dev, "Register component fail: %d\n", ret); 827 pm_runtime_disable(tas_priv->dev); 828 tas2781_hda_remove(&spi->dev, &tas2781_hda_comp_ops); 829 } 830 831 return ret; 832 } 833 834 static void tas2781_hda_spi_remove(struct spi_device *spi) 835 { 836 tas2781_hda_remove(&spi->dev, &tas2781_hda_comp_ops); 837 } 838 839 static int tas2781_runtime_suspend(struct device *dev) 840 { 841 struct tas2781_hda *tas_hda = dev_get_drvdata(dev); 842 struct tasdevice_priv *tas_priv = tas_hda->priv; 843 844 guard(mutex)(&tas_priv->codec_lock); 845 846 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK 847 && tas_priv->playback_started) 848 tasdevice_tuning_switch(tas_priv, 1); 849 850 tas_priv->tasdevice[tas_priv->index].cur_book = -1; 851 tas_priv->tasdevice[tas_priv->index].cur_conf = -1; 852 853 return 0; 854 } 855 856 static int tas2781_runtime_resume(struct device *dev) 857 { 858 struct tas2781_hda *tas_hda = dev_get_drvdata(dev); 859 struct tasdevice_priv *tas_priv = tas_hda->priv; 860 861 guard(mutex)(&tas_priv->codec_lock); 862 863 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK 864 && tas_priv->playback_started) 865 tasdevice_tuning_switch(tas_priv, 0); 866 867 return 0; 868 } 869 870 static int tas2781_system_suspend(struct device *dev) 871 { 872 struct tas2781_hda *tas_hda = dev_get_drvdata(dev); 873 struct tasdevice_priv *tas_priv = tas_hda->priv; 874 int ret; 875 876 ret = pm_runtime_force_suspend(dev); 877 if (ret) 878 return ret; 879 880 /* Shutdown chip before system suspend */ 881 if (tas_priv->fw_state == TASDEVICE_DSP_FW_ALL_OK 882 && tas_priv->playback_started) 883 tasdevice_tuning_switch(tas_priv, 1); 884 885 return 0; 886 } 887 888 static int tas2781_system_resume(struct device *dev) 889 { 890 struct tas2781_hda *tas_hda = dev_get_drvdata(dev); 891 struct tasdevice_priv *tas_priv = tas_hda->priv; 892 int ret, val; 893 894 ret = pm_runtime_force_resume(dev); 895 if (ret) 896 return ret; 897 898 guard(mutex)(&tas_priv->codec_lock); 899 ret = tas_priv->dev_read(tas_priv, tas_priv->index, 900 TAS2781_REG_CLK_CONFIG, &val); 901 if (ret < 0) 902 return ret; 903 904 if (val == TAS2781_REG_CLK_CONFIG_RESET) { 905 tas_priv->tasdevice[tas_priv->index].cur_book = -1; 906 tas_priv->tasdevice[tas_priv->index].cur_conf = -1; 907 tas_priv->tasdevice[tas_priv->index].cur_prog = -1; 908 909 ret = tasdevice_prmg_load(tas_priv, 0); 910 if (ret < 0) { 911 dev_err(tas_priv->dev, 912 "FW download failed = %d\n", ret); 913 return ret; 914 } 915 tas_priv->fw_state = TASDEVICE_DSP_FW_ALL_OK; 916 917 if (tas_priv->playback_started) 918 tasdevice_tuning_switch(tas_priv, 0); 919 } 920 921 return ret; 922 } 923 924 static const struct dev_pm_ops tas2781_hda_pm_ops = { 925 RUNTIME_PM_OPS(tas2781_runtime_suspend, tas2781_runtime_resume, NULL) 926 SYSTEM_SLEEP_PM_OPS(tas2781_system_suspend, tas2781_system_resume) 927 }; 928 929 static const struct spi_device_id tas2781_hda_spi_id[] = { 930 { "tas2781-hda", }, 931 {} 932 }; 933 934 static const struct acpi_device_id tas2781_acpi_hda_match[] = { 935 {"TXNW2781", }, 936 {} 937 }; 938 MODULE_DEVICE_TABLE(acpi, tas2781_acpi_hda_match); 939 940 static struct spi_driver tas2781_hda_spi_driver = { 941 .driver = { 942 .name = "tas2781-hda", 943 .acpi_match_table = tas2781_acpi_hda_match, 944 .pm = &tas2781_hda_pm_ops, 945 }, 946 .id_table = tas2781_hda_spi_id, 947 .probe = tas2781_hda_spi_probe, 948 .remove = tas2781_hda_spi_remove, 949 }; 950 module_spi_driver(tas2781_hda_spi_driver); 951 952 MODULE_DESCRIPTION("TAS2781 HDA SPI Driver"); 953 MODULE_AUTHOR("Baojun, Xu, <baojun.xug@ti.com>"); 954 MODULE_LICENSE("GPL"); 955 MODULE_IMPORT_NS("SND_SOC_TAS2781_FMWLIB"); 956 MODULE_IMPORT_NS("SND_HDA_SCODEC_TAS2781"); 957