1 // SPDX-License-Identifier: GPL-2.0-only 2 // 3 // Copyright(c) 2021-2022 Intel Corporation. All rights reserved. 4 // 5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com> 6 // Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com> 7 // 8 9 #include <linux/firmware.h> 10 #include <linux/module.h> 11 #include <linux/slab.h> 12 #include <sound/hdaudio.h> 13 #include <sound/hdaudio_ext.h> 14 #include "avs.h" 15 #include "cldma.h" 16 #include "messages.h" 17 #include "registers.h" 18 #include "topology.h" 19 20 #define AVS_ROM_STS_MASK 0xFF 21 #define AVS_ROM_INIT_DONE 0x1 22 #define SKL_ROM_BASEFW_ENTERED 0xF 23 #define APL_ROM_FW_ENTERED 0x5 24 #define AVS_ROM_INIT_POLLING_US 5 25 #define SKL_ROM_INIT_TIMEOUT_US 1000000 26 #define APL_ROM_INIT_TIMEOUT_US 300000 27 #define APL_ROM_INIT_RETRIES 3 28 29 #define AVS_FW_INIT_POLLING_US 500 30 #define AVS_FW_INIT_TIMEOUT_US 3000000 31 #define AVS_FW_INIT_TIMEOUT_MS 3000 32 33 #define AVS_CLDMA_START_DELAY_MS 100 34 35 #define AVS_ROOT_DIR "intel/avs" 36 #define AVS_BASEFW_FILENAME "dsp_basefw.bin" 37 #define AVS_EXT_MANIFEST_MAGIC 0x31454124 38 #define SKL_MANIFEST_MAGIC 0x00000006 39 #define SKL_ADSPFW_OFFSET 0x284 40 #define APL_MANIFEST_MAGIC 0x44504324 41 #define APL_ADSPFW_OFFSET 0x2000 42 43 /* Occasionally, engineering (release candidate) firmware is provided for testing. */ 44 static bool debug_ignore_fw_version; 45 module_param_named(ignore_fw_version, debug_ignore_fw_version, bool, 0444); 46 MODULE_PARM_DESC(ignore_fw_version, "Verify FW version 0=yes (default), 1=no"); 47 48 #define AVS_LIB_NAME_SIZE 8 49 50 struct avs_fw_manifest { 51 u32 id; 52 u32 len; 53 char name[AVS_LIB_NAME_SIZE]; 54 u32 preload_page_count; 55 u32 img_flags; 56 u32 feature_mask; 57 struct avs_fw_version version; 58 } __packed; 59 60 struct avs_fw_ext_manifest { 61 u32 id; 62 u32 len; 63 u16 version_major; 64 u16 version_minor; 65 u32 entries; 66 } __packed; 67 68 static int avs_fw_ext_manifest_strip(struct firmware *fw) 69 { 70 struct avs_fw_ext_manifest *man; 71 72 if (fw->size < sizeof(*man)) 73 return -EINVAL; 74 75 man = (struct avs_fw_ext_manifest *)fw->data; 76 if (man->id == AVS_EXT_MANIFEST_MAGIC) { 77 fw->data += man->len; 78 fw->size -= man->len; 79 } 80 81 return 0; 82 } 83 84 static int avs_fw_manifest_offset(struct firmware *fw) 85 { 86 /* Header type found in first DWORD of fw binary. */ 87 u32 magic = *(u32 *)fw->data; 88 89 switch (magic) { 90 case SKL_MANIFEST_MAGIC: 91 return SKL_ADSPFW_OFFSET; 92 case APL_MANIFEST_MAGIC: 93 return APL_ADSPFW_OFFSET; 94 default: 95 return -EINVAL; 96 } 97 } 98 99 static int avs_fw_manifest_strip_verify(struct avs_dev *adev, struct firmware *fw, 100 const struct avs_fw_version *min) 101 { 102 struct avs_fw_manifest *man; 103 int offset, ret; 104 105 ret = avs_fw_ext_manifest_strip(fw); 106 if (ret) 107 return ret; 108 109 offset = avs_fw_manifest_offset(fw); 110 if (offset < 0) 111 return offset; 112 113 if (fw->size < offset + sizeof(*man)) 114 return -EINVAL; 115 if (!min) 116 return 0; 117 118 man = (struct avs_fw_manifest *)(fw->data + offset); 119 if (man->version.major != min->major || 120 man->version.minor != min->minor || 121 man->version.hotfix != min->hotfix || 122 man->version.build < min->build) { 123 dev_warn(adev->dev, "bad FW version %d.%d.%d.%d, expected %d.%d.%d.%d or newer\n", 124 man->version.major, man->version.minor, 125 man->version.hotfix, man->version.build, 126 min->major, min->minor, min->hotfix, min->build); 127 128 if (!debug_ignore_fw_version) 129 return -EINVAL; 130 } 131 132 return 0; 133 } 134 135 int avs_cldma_load_basefw(struct avs_dev *adev, struct firmware *fw) 136 { 137 struct hda_cldma *cl = &code_loader; 138 unsigned int reg; 139 int ret; 140 141 ret = avs_dsp_op(adev, power, AVS_MAIN_CORE_MASK, true); 142 if (ret < 0) 143 return ret; 144 145 ret = avs_dsp_op(adev, reset, AVS_MAIN_CORE_MASK, false); 146 if (ret < 0) 147 return ret; 148 149 ret = hda_cldma_reset(cl); 150 if (ret < 0) { 151 dev_err(adev->dev, "cldma reset failed: %d\n", ret); 152 return ret; 153 } 154 hda_cldma_setup(cl); 155 156 ret = avs_dsp_op(adev, stall, AVS_MAIN_CORE_MASK, false); 157 if (ret < 0) 158 return ret; 159 160 reinit_completion(&adev->fw_ready); 161 avs_dsp_op(adev, int_control, true); 162 163 /* await ROM init */ 164 ret = snd_hdac_adsp_readl_poll(adev, AVS_FW_REG_STATUS(adev), reg, 165 (reg & AVS_ROM_INIT_DONE) == AVS_ROM_INIT_DONE, 166 AVS_ROM_INIT_POLLING_US, SKL_ROM_INIT_TIMEOUT_US); 167 if (ret < 0) { 168 dev_err(adev->dev, "rom init timeout: %d\n", ret); 169 avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK); 170 return ret; 171 } 172 173 hda_cldma_set_data(cl, (void *)fw->data, fw->size); 174 /* transfer firmware */ 175 hda_cldma_transfer(cl, 0); 176 ret = snd_hdac_adsp_readl_poll(adev, AVS_FW_REG_STATUS(adev), reg, 177 (reg & AVS_ROM_STS_MASK) == SKL_ROM_BASEFW_ENTERED, 178 AVS_FW_INIT_POLLING_US, AVS_FW_INIT_TIMEOUT_US); 179 hda_cldma_stop(cl); 180 if (ret < 0) { 181 dev_err(adev->dev, "transfer fw failed: %d\n", ret); 182 avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK); 183 return ret; 184 } 185 186 return 0; 187 } 188 189 int avs_cldma_load_library(struct avs_dev *adev, struct firmware *lib, u32 id) 190 { 191 struct hda_cldma *cl = &code_loader; 192 int ret; 193 194 hda_cldma_set_data(cl, (void *)lib->data, lib->size); 195 /* transfer modules manifest */ 196 hda_cldma_transfer(cl, msecs_to_jiffies(AVS_CLDMA_START_DELAY_MS)); 197 198 /* DMA id ignored as there is only ever one code-loader DMA */ 199 ret = avs_ipc_load_library(adev, 0, id); 200 hda_cldma_stop(cl); 201 202 if (ret) { 203 ret = AVS_IPC_RET(ret); 204 dev_err(adev->dev, "transfer lib %d failed: %d\n", id, ret); 205 } 206 207 return ret; 208 } 209 210 static int avs_cldma_load_module(struct avs_dev *adev, struct avs_module_entry *mentry) 211 { 212 struct hda_cldma *cl = &code_loader; 213 const struct firmware *mod; 214 char *mod_name; 215 int ret; 216 217 mod_name = kasprintf(GFP_KERNEL, "%s/%s/dsp_mod_%pUL.bin", AVS_ROOT_DIR, 218 adev->spec->name, mentry->uuid.b); 219 if (!mod_name) 220 return -ENOMEM; 221 222 ret = avs_request_firmware(adev, &mod, mod_name); 223 kfree(mod_name); 224 if (ret < 0) 225 return ret; 226 227 hda_cldma_set_data(cl, (void *)mod->data, mod->size); 228 hda_cldma_transfer(cl, msecs_to_jiffies(AVS_CLDMA_START_DELAY_MS)); 229 ret = avs_ipc_load_modules(adev, &mentry->module_id, 1); 230 hda_cldma_stop(cl); 231 232 if (ret) { 233 dev_err(adev->dev, "load module %d failed: %d\n", mentry->module_id, ret); 234 avs_release_last_firmware(adev); 235 return AVS_IPC_RET(ret); 236 } 237 238 return 0; 239 } 240 241 int avs_cldma_transfer_modules(struct avs_dev *adev, bool load, 242 struct avs_module_entry *mods, u32 num_mods) 243 { 244 u16 *mod_ids; 245 int ret, i; 246 247 /* Either load to DSP or unload them to free space. */ 248 if (load) { 249 for (i = 0; i < num_mods; i++) { 250 ret = avs_cldma_load_module(adev, &mods[i]); 251 if (ret) 252 return ret; 253 } 254 255 return 0; 256 } 257 258 mod_ids = kcalloc(num_mods, sizeof(u16), GFP_KERNEL); 259 if (!mod_ids) 260 return -ENOMEM; 261 262 for (i = 0; i < num_mods; i++) 263 mod_ids[i] = mods[i].module_id; 264 265 ret = avs_ipc_unload_modules(adev, mod_ids, num_mods); 266 kfree(mod_ids); 267 if (ret) 268 return AVS_IPC_RET(ret); 269 270 return 0; 271 } 272 273 static int 274 avs_hda_init_rom(struct avs_dev *adev, unsigned int dma_id, bool purge) 275 { 276 const struct avs_spec *const spec = adev->spec; 277 unsigned int corex_mask, reg; 278 int ret; 279 280 corex_mask = spec->core_init_mask & ~AVS_MAIN_CORE_MASK; 281 282 ret = avs_dsp_op(adev, power, spec->core_init_mask, true); 283 if (ret < 0) 284 goto err; 285 286 ret = avs_dsp_op(adev, reset, AVS_MAIN_CORE_MASK, false); 287 if (ret < 0) 288 goto err; 289 290 reinit_completion(&adev->fw_ready); 291 avs_dsp_op(adev, int_control, true); 292 293 /* set boot config */ 294 ret = avs_ipc_set_boot_config(adev, dma_id, purge); 295 if (ret) { 296 ret = AVS_IPC_RET(ret); 297 goto err; 298 } 299 300 /* await ROM init */ 301 ret = snd_hdac_adsp_readq_poll(adev, spec->rom_status, reg, 302 (reg & 0xF) == AVS_ROM_INIT_DONE || 303 (reg & 0xF) == APL_ROM_FW_ENTERED, 304 AVS_ROM_INIT_POLLING_US, APL_ROM_INIT_TIMEOUT_US); 305 if (ret < 0) { 306 dev_err(adev->dev, "rom init timeout: %d\n", ret); 307 goto err; 308 } 309 310 /* power down non-main cores */ 311 if (corex_mask) { 312 ret = avs_dsp_op(adev, power, corex_mask, false); 313 if (ret < 0) 314 goto err; 315 } 316 317 return 0; 318 319 err: 320 avs_dsp_core_disable(adev, spec->core_init_mask); 321 return ret; 322 } 323 324 static int avs_imr_load_basefw(struct avs_dev *adev) 325 { 326 int ret; 327 328 /* DMA id ignored when flashing from IMR as no transfer occurs. */ 329 ret = avs_hda_init_rom(adev, 0, false); 330 if (ret < 0) { 331 dev_err(adev->dev, "rom init failed: %d\n", ret); 332 return ret; 333 } 334 335 ret = wait_for_completion_timeout(&adev->fw_ready, 336 msecs_to_jiffies(AVS_FW_INIT_TIMEOUT_MS)); 337 if (!ret) { 338 dev_err(adev->dev, "firmware ready timeout\n"); 339 avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK); 340 return -ETIMEDOUT; 341 } 342 343 return 0; 344 } 345 346 int avs_hda_load_basefw(struct avs_dev *adev, struct firmware *fw) 347 { 348 struct snd_pcm_substream substream; 349 struct snd_dma_buffer dmab; 350 struct hdac_ext_stream *estream; 351 struct hdac_stream *hstream; 352 struct hdac_bus *bus = &adev->base.core; 353 unsigned int sdfmt, reg; 354 int ret, i; 355 356 /* configure hda dma */ 357 memset(&substream, 0, sizeof(substream)); 358 substream.stream = SNDRV_PCM_STREAM_PLAYBACK; 359 estream = snd_hdac_ext_stream_assign(bus, &substream, 360 HDAC_EXT_STREAM_TYPE_HOST); 361 if (!estream) 362 return -ENODEV; 363 hstream = hdac_stream(estream); 364 365 /* code loading performed with default format */ 366 sdfmt = snd_hdac_calc_stream_format(48000, 1, SNDRV_PCM_FORMAT_S32_LE, 32, 0); 367 ret = snd_hdac_dsp_prepare(hstream, sdfmt, fw->size, &dmab); 368 if (ret < 0) 369 goto release_stream; 370 371 /* enable SPIB for hda stream */ 372 snd_hdac_ext_stream_spbcap_enable(bus, true, hstream->index); 373 ret = snd_hdac_ext_stream_set_spib(bus, estream, fw->size); 374 if (ret) 375 goto cleanup_resources; 376 377 memcpy(dmab.area, fw->data, fw->size); 378 379 for (i = 0; i < APL_ROM_INIT_RETRIES; i++) { 380 unsigned int dma_id = hstream->stream_tag - 1; 381 382 ret = avs_hda_init_rom(adev, dma_id, true); 383 if (!ret) 384 break; 385 dev_info(adev->dev, "#%d rom init fail: %d\n", i + 1, ret); 386 } 387 if (ret < 0) 388 goto cleanup_resources; 389 390 /* transfer firmware */ 391 snd_hdac_dsp_trigger(hstream, true); 392 ret = snd_hdac_adsp_readl_poll(adev, AVS_FW_REG_STATUS(adev), reg, 393 (reg & AVS_ROM_STS_MASK) == APL_ROM_FW_ENTERED, 394 AVS_FW_INIT_POLLING_US, AVS_FW_INIT_TIMEOUT_US); 395 snd_hdac_dsp_trigger(hstream, false); 396 if (ret < 0) { 397 dev_err(adev->dev, "transfer fw failed: %d\n", ret); 398 avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK); 399 } 400 401 cleanup_resources: 402 /* disable SPIB for hda stream */ 403 snd_hdac_ext_stream_spbcap_enable(bus, false, hstream->index); 404 snd_hdac_ext_stream_set_spib(bus, estream, 0); 405 406 snd_hdac_dsp_cleanup(hstream, &dmab); 407 release_stream: 408 snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST); 409 410 return ret; 411 } 412 413 int avs_hda_load_library(struct avs_dev *adev, struct firmware *lib, u32 id) 414 { 415 struct snd_pcm_substream substream; 416 struct snd_dma_buffer dmab; 417 struct hdac_ext_stream *estream; 418 struct hdac_stream *stream; 419 struct hdac_bus *bus = &adev->base.core; 420 unsigned int sdfmt; 421 int ret; 422 423 /* configure hda dma */ 424 memset(&substream, 0, sizeof(substream)); 425 substream.stream = SNDRV_PCM_STREAM_PLAYBACK; 426 estream = snd_hdac_ext_stream_assign(bus, &substream, 427 HDAC_EXT_STREAM_TYPE_HOST); 428 if (!estream) 429 return -ENODEV; 430 stream = hdac_stream(estream); 431 432 /* code loading performed with default format */ 433 sdfmt = snd_hdac_calc_stream_format(48000, 1, SNDRV_PCM_FORMAT_S32_LE, 32, 0); 434 ret = snd_hdac_dsp_prepare(stream, sdfmt, lib->size, &dmab); 435 if (ret < 0) 436 goto release_stream; 437 438 /* enable SPIB for hda stream */ 439 snd_hdac_ext_stream_spbcap_enable(bus, true, stream->index); 440 snd_hdac_ext_stream_set_spib(bus, estream, lib->size); 441 442 memcpy(dmab.area, lib->data, lib->size); 443 444 /* transfer firmware */ 445 snd_hdac_dsp_trigger(stream, true); 446 ret = avs_ipc_load_library(adev, stream->stream_tag - 1, id); 447 snd_hdac_dsp_trigger(stream, false); 448 if (ret) { 449 dev_err(adev->dev, "transfer lib %d failed: %d\n", id, ret); 450 ret = AVS_IPC_RET(ret); 451 } 452 453 /* disable SPIB for hda stream */ 454 snd_hdac_ext_stream_spbcap_enable(bus, false, stream->index); 455 snd_hdac_ext_stream_set_spib(bus, estream, 0); 456 457 snd_hdac_dsp_cleanup(stream, &dmab); 458 release_stream: 459 snd_hdac_ext_stream_release(estream, HDAC_EXT_STREAM_TYPE_HOST); 460 461 return ret; 462 } 463 464 int avs_hda_transfer_modules(struct avs_dev *adev, bool load, 465 struct avs_module_entry *mods, u32 num_mods) 466 { 467 /* 468 * All platforms without CLDMA are equipped with IMR, 469 * and thus the module transferring is offloaded to DSP. 470 */ 471 return 0; 472 } 473 474 int avs_dsp_load_libraries(struct avs_dev *adev, struct avs_tplg_library *libs, u32 num_libs) 475 { 476 int start, id, i = 0; 477 int ret; 478 479 /* Calculate the id to assign for the next lib. */ 480 for (id = 0; id < adev->fw_cfg.max_libs_count; id++) 481 if (adev->lib_names[id][0] == '\0') 482 break; 483 if (id + num_libs >= adev->fw_cfg.max_libs_count) 484 return -EINVAL; 485 486 start = id; 487 while (i < num_libs) { 488 struct avs_fw_manifest *man; 489 const struct firmware *fw; 490 struct firmware stripped_fw; 491 char *filename; 492 int j; 493 494 filename = kasprintf(GFP_KERNEL, "%s/%s/%s", AVS_ROOT_DIR, adev->spec->name, 495 libs[i].name); 496 if (!filename) 497 return -ENOMEM; 498 499 /* 500 * If any call after this one fails, requested firmware is not released with 501 * avs_release_last_firmware() as failing to load code results in need for reload 502 * of entire driver module. And then avs_release_firmwares() is in place already. 503 */ 504 ret = avs_request_firmware(adev, &fw, filename); 505 kfree(filename); 506 if (ret < 0) 507 return ret; 508 509 stripped_fw = *fw; 510 ret = avs_fw_manifest_strip_verify(adev, &stripped_fw, NULL); 511 if (ret) { 512 dev_err(adev->dev, "invalid library data: %d\n", ret); 513 return ret; 514 } 515 516 ret = avs_fw_manifest_offset(&stripped_fw); 517 if (ret < 0) 518 return ret; 519 man = (struct avs_fw_manifest *)(stripped_fw.data + ret); 520 521 /* Don't load anything that's already in DSP memory. */ 522 for (j = 0; j < id; j++) 523 if (!strncmp(adev->lib_names[j], man->name, AVS_LIB_NAME_SIZE)) 524 goto next_lib; 525 526 ret = avs_dsp_op(adev, load_lib, &stripped_fw, id); 527 if (ret) 528 return ret; 529 530 strncpy(adev->lib_names[id], man->name, AVS_LIB_NAME_SIZE); 531 id++; 532 next_lib: 533 i++; 534 } 535 536 return start == id ? 1 : 0; 537 } 538 539 static int avs_dsp_load_basefw(struct avs_dev *adev) 540 { 541 const struct avs_fw_version *min_req; 542 const struct avs_spec *const spec = adev->spec; 543 const struct firmware *fw; 544 struct firmware stripped_fw; 545 char *filename; 546 int ret; 547 548 filename = kasprintf(GFP_KERNEL, "%s/%s/%s", AVS_ROOT_DIR, spec->name, AVS_BASEFW_FILENAME); 549 if (!filename) 550 return -ENOMEM; 551 552 ret = avs_request_firmware(adev, &fw, filename); 553 kfree(filename); 554 if (ret < 0) { 555 dev_err(adev->dev, "request firmware failed: %d\n", ret); 556 return ret; 557 } 558 559 stripped_fw = *fw; 560 min_req = &adev->spec->min_fw_version; 561 562 ret = avs_fw_manifest_strip_verify(adev, &stripped_fw, min_req); 563 if (ret < 0) { 564 dev_err(adev->dev, "invalid firmware data: %d\n", ret); 565 goto release_fw; 566 } 567 568 ret = avs_dsp_op(adev, load_basefw, &stripped_fw); 569 if (ret < 0) { 570 dev_err(adev->dev, "basefw load failed: %d\n", ret); 571 goto release_fw; 572 } 573 574 ret = wait_for_completion_timeout(&adev->fw_ready, 575 msecs_to_jiffies(AVS_FW_INIT_TIMEOUT_MS)); 576 if (!ret) { 577 dev_err(adev->dev, "firmware ready timeout\n"); 578 avs_dsp_core_disable(adev, AVS_MAIN_CORE_MASK); 579 ret = -ETIMEDOUT; 580 goto release_fw; 581 } 582 583 return 0; 584 585 release_fw: 586 avs_release_last_firmware(adev); 587 return ret; 588 } 589 590 int avs_dsp_boot_firmware(struct avs_dev *adev, bool purge) 591 { 592 struct avs_soc_component *acomp; 593 int ret, i; 594 595 /* Forgo full boot if flash from IMR succeeds. */ 596 if (!purge && avs_platattr_test(adev, IMR)) { 597 ret = avs_imr_load_basefw(adev); 598 if (!ret) 599 return 0; 600 601 dev_dbg(adev->dev, "firmware flash from imr failed: %d\n", ret); 602 } 603 604 /* Full boot, clear cached data except for basefw (slot 0). */ 605 for (i = 1; i < adev->fw_cfg.max_libs_count; i++) 606 memset(adev->lib_names[i], 0, AVS_LIB_NAME_SIZE); 607 608 avs_hda_clock_gating_enable(adev, false); 609 avs_hda_l1sen_enable(adev, false); 610 611 ret = avs_dsp_load_basefw(adev); 612 if (ret) 613 goto reenable_gating; 614 615 mutex_lock(&adev->comp_list_mutex); 616 list_for_each_entry(acomp, &adev->comp_list, node) { 617 struct avs_tplg *tplg = acomp->tplg; 618 619 ret = avs_dsp_load_libraries(adev, tplg->libs, tplg->num_libs); 620 if (ret < 0) 621 break; 622 } 623 mutex_unlock(&adev->comp_list_mutex); 624 625 reenable_gating: 626 avs_hda_l1sen_enable(adev, true); 627 avs_hda_clock_gating_enable(adev, true); 628 629 if (ret < 0) 630 return ret; 631 632 /* With all code loaded, refresh module information. */ 633 ret = avs_module_info_init(adev, true); 634 if (ret) { 635 dev_err(adev->dev, "init module info failed: %d\n", ret); 636 return ret; 637 } 638 639 return 0; 640 } 641 642 int avs_dsp_first_boot_firmware(struct avs_dev *adev) 643 { 644 int ret, i; 645 646 if (avs_platattr_test(adev, CLDMA)) { 647 ret = hda_cldma_init(&code_loader, &adev->base.core, 648 adev->dsp_ba, AVS_CL_DEFAULT_BUFFER_SIZE); 649 if (ret < 0) { 650 dev_err(adev->dev, "cldma init failed: %d\n", ret); 651 return ret; 652 } 653 } 654 655 ret = avs_dsp_boot_firmware(adev, true); 656 if (ret < 0) { 657 dev_err(adev->dev, "firmware boot failed: %d\n", ret); 658 return ret; 659 } 660 661 ret = avs_ipc_get_hw_config(adev, &adev->hw_cfg); 662 if (ret) { 663 dev_err(adev->dev, "get hw cfg failed: %d\n", ret); 664 return AVS_IPC_RET(ret); 665 } 666 667 ret = avs_ipc_get_fw_config(adev, &adev->fw_cfg); 668 if (ret) { 669 dev_err(adev->dev, "get fw cfg failed: %d\n", ret); 670 return AVS_IPC_RET(ret); 671 } 672 673 adev->core_refs = devm_kcalloc(adev->dev, adev->hw_cfg.dsp_cores, 674 sizeof(*adev->core_refs), GFP_KERNEL); 675 adev->lib_names = devm_kcalloc(adev->dev, adev->fw_cfg.max_libs_count, 676 sizeof(*adev->lib_names), GFP_KERNEL); 677 if (!adev->core_refs || !adev->lib_names) 678 return -ENOMEM; 679 680 for (i = 0; i < adev->fw_cfg.max_libs_count; i++) { 681 adev->lib_names[i] = devm_kzalloc(adev->dev, AVS_LIB_NAME_SIZE, GFP_KERNEL); 682 if (!adev->lib_names[i]) 683 return -ENOMEM; 684 } 685 686 /* basefw always occupies slot 0 */ 687 strcpy(&adev->lib_names[0][0], "BASEFW"); 688 689 ida_init(&adev->ppl_ida); 690 691 return 0; 692 } 693