1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 // 3 // This file is provided under a dual BSD/GPLv2 license. When using or 4 // redistributing this file, you may do so under either license. 5 // 6 // Copyright(c) 2022 Intel Corporation 7 // 8 // Authors: Rander Wang <rander.wang@linux.intel.com> 9 // Peter Ujfalusi <peter.ujfalusi@linux.intel.com> 10 // 11 #include <linux/firmware.h> 12 #include <sound/sof/header.h> 13 #include <sound/sof/ipc4/header.h> 14 #include "sof-priv.h" 15 #include "sof-audio.h" 16 #include "ipc4-fw-reg.h" 17 #include "ipc4-priv.h" 18 #include "ipc4-telemetry.h" 19 #include "ops.h" 20 21 static const struct sof_ipc4_fw_status { 22 int status; 23 char *msg; 24 } ipc4_status[] = { 25 {0, "The operation was successful"}, 26 {1, "Invalid parameter specified"}, 27 {2, "Unknown message type specified"}, 28 {3, "Not enough space in the IPC reply buffer to complete the request"}, 29 {4, "The system or resource is busy"}, 30 {5, "Replaced ADSP IPC PENDING (unused)"}, 31 {6, "Unknown error while processing the request"}, 32 {7, "Unsupported operation requested"}, 33 {8, "Reserved (ADSP_STAGE_UNINITIALIZED removed)"}, 34 {9, "Specified resource not found"}, 35 {10, "A resource's ID requested to be created is already assigned"}, 36 {11, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"}, 37 {12, "Required resource is in invalid state"}, 38 {13, "Requested power transition failed to complete"}, 39 {14, "Manifest of the library being loaded is invalid"}, 40 {15, "Requested service or data is unavailable on the target platform"}, 41 {42, "Library target address is out of storage memory range"}, 42 {43, "Reserved"}, 43 {44, "Image verification by CSE failed"}, 44 {100, "General module management error"}, 45 {101, "Module loading failed"}, 46 {102, "Integrity check of the loaded module content failed"}, 47 {103, "Attempt to unload code of the module in use"}, 48 {104, "Other failure of module instance initialization request"}, 49 {105, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"}, 50 {106, "Reserved (ADSP_IPC_CONFIG_GET_ERROR removed)"}, 51 {107, "Reserved (ADSP_IPC_CONFIG_SET_ERROR removed)"}, 52 {108, "Reserved (ADSP_IPC_LARGE_CONFIG_GET_ERROR removed)"}, 53 {109, "Reserved (ADSP_IPC_LARGE_CONFIG_SET_ERROR removed)"}, 54 {110, "Invalid (out of range) module ID provided"}, 55 {111, "Invalid module instance ID provided"}, 56 {112, "Invalid queue (pin) ID provided"}, 57 {113, "Invalid destination queue (pin) ID provided"}, 58 {114, "Reserved (ADSP_IPC_BIND_UNBIND_DST_SINK_UNSUPPORTED removed)"}, 59 {115, "Reserved (ADSP_IPC_UNLOAD_INST_EXISTS removed)"}, 60 {116, "Invalid target code ID provided"}, 61 {117, "Injection DMA buffer is too small for probing the input pin"}, 62 {118, "Extraction DMA buffer is too small for probing the output pin"}, 63 {120, "Invalid ID of configuration item provided in TLV list"}, 64 {121, "Invalid length of configuration item provided in TLV list"}, 65 {122, "Invalid structure of configuration item provided"}, 66 {140, "Initialization of DMA Gateway failed"}, 67 {141, "Invalid ID of gateway provided"}, 68 {142, "Setting state of DMA Gateway failed"}, 69 {143, "DMA_CONTROL message targeting gateway not allocated yet"}, 70 {150, "Attempt to configure SCLK while I2S port is running"}, 71 {151, "Attempt to configure MCLK while I2S port is running"}, 72 {152, "Attempt to stop SCLK that is not running"}, 73 {153, "Attempt to stop MCLK that is not running"}, 74 {160, "Reserved (ADSP_IPC_PIPELINE_NOT_INITIALIZED removed)"}, 75 {161, "Reserved (ADSP_IPC_PIPELINE_NOT_EXIST removed)"}, 76 {162, "Reserved (ADSP_IPC_PIPELINE_SAVE_FAILED removed)"}, 77 {163, "Reserved (ADSP_IPC_PIPELINE_RESTORE_FAILED removed)"}, 78 {165, "Reserved (ADSP_IPC_PIPELINE_ALREADY_EXISTS removed)"}, 79 }; 80 81 typedef void (*ipc4_notification_handler)(struct snd_sof_dev *sdev, 82 struct sof_ipc4_msg *msg); 83 84 static int sof_ipc4_check_reply_status(struct snd_sof_dev *sdev, u32 status) 85 { 86 int i, ret; 87 88 status &= SOF_IPC4_REPLY_STATUS; 89 90 if (!status) 91 return 0; 92 93 for (i = 0; i < ARRAY_SIZE(ipc4_status); i++) { 94 if (ipc4_status[i].status == status) { 95 dev_err(sdev->dev, "FW reported error: %u - %s\n", 96 status, ipc4_status[i].msg); 97 goto to_errno; 98 } 99 } 100 101 if (i == ARRAY_SIZE(ipc4_status)) 102 dev_err(sdev->dev, "FW reported error: %u - Unknown\n", status); 103 104 to_errno: 105 switch (status) { 106 case 2: 107 case 15: 108 ret = -EOPNOTSUPP; 109 break; 110 case 8: 111 case 11: 112 case 105 ... 109: 113 case 114 ... 115: 114 case 160 ... 163: 115 case 165: 116 ret = -ENOENT; 117 break; 118 case 4: 119 case 150: 120 case 151: 121 ret = -EBUSY; 122 break; 123 default: 124 ret = -EINVAL; 125 break; 126 } 127 128 return ret; 129 } 130 131 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC) 132 #define DBG_IPC4_MSG_TYPE_ENTRY(type) [SOF_IPC4_##type] = #type 133 static const char * const ipc4_dbg_mod_msg_type[] = { 134 DBG_IPC4_MSG_TYPE_ENTRY(MOD_INIT_INSTANCE), 135 DBG_IPC4_MSG_TYPE_ENTRY(MOD_CONFIG_GET), 136 DBG_IPC4_MSG_TYPE_ENTRY(MOD_CONFIG_SET), 137 DBG_IPC4_MSG_TYPE_ENTRY(MOD_LARGE_CONFIG_GET), 138 DBG_IPC4_MSG_TYPE_ENTRY(MOD_LARGE_CONFIG_SET), 139 DBG_IPC4_MSG_TYPE_ENTRY(MOD_BIND), 140 DBG_IPC4_MSG_TYPE_ENTRY(MOD_UNBIND), 141 DBG_IPC4_MSG_TYPE_ENTRY(MOD_SET_DX), 142 DBG_IPC4_MSG_TYPE_ENTRY(MOD_SET_D0IX), 143 DBG_IPC4_MSG_TYPE_ENTRY(MOD_ENTER_MODULE_RESTORE), 144 DBG_IPC4_MSG_TYPE_ENTRY(MOD_EXIT_MODULE_RESTORE), 145 DBG_IPC4_MSG_TYPE_ENTRY(MOD_DELETE_INSTANCE), 146 }; 147 148 static const char * const ipc4_dbg_glb_msg_type[] = { 149 DBG_IPC4_MSG_TYPE_ENTRY(GLB_BOOT_CONFIG), 150 DBG_IPC4_MSG_TYPE_ENTRY(GLB_ROM_CONTROL), 151 DBG_IPC4_MSG_TYPE_ENTRY(GLB_IPCGATEWAY_CMD), 152 DBG_IPC4_MSG_TYPE_ENTRY(GLB_PERF_MEASUREMENTS_CMD), 153 DBG_IPC4_MSG_TYPE_ENTRY(GLB_CHAIN_DMA), 154 DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_MULTIPLE_MODULES), 155 DBG_IPC4_MSG_TYPE_ENTRY(GLB_UNLOAD_MULTIPLE_MODULES), 156 DBG_IPC4_MSG_TYPE_ENTRY(GLB_CREATE_PIPELINE), 157 DBG_IPC4_MSG_TYPE_ENTRY(GLB_DELETE_PIPELINE), 158 DBG_IPC4_MSG_TYPE_ENTRY(GLB_SET_PIPELINE_STATE), 159 DBG_IPC4_MSG_TYPE_ENTRY(GLB_GET_PIPELINE_STATE), 160 DBG_IPC4_MSG_TYPE_ENTRY(GLB_GET_PIPELINE_CONTEXT_SIZE), 161 DBG_IPC4_MSG_TYPE_ENTRY(GLB_SAVE_PIPELINE), 162 DBG_IPC4_MSG_TYPE_ENTRY(GLB_RESTORE_PIPELINE), 163 DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_LIBRARY), 164 DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_LIBRARY_PREPARE), 165 DBG_IPC4_MSG_TYPE_ENTRY(GLB_INTERNAL_MESSAGE), 166 DBG_IPC4_MSG_TYPE_ENTRY(GLB_NOTIFICATION), 167 }; 168 169 #define DBG_IPC4_NOTIFICATION_TYPE_ENTRY(type) [SOF_IPC4_NOTIFY_##type] = #type 170 static const char * const ipc4_dbg_notification_type[] = { 171 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PHRASE_DETECTED), 172 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(RESOURCE_EVENT), 173 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(LOG_BUFFER_STATUS), 174 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(TIMESTAMP_CAPTURED), 175 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_READY), 176 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_AUD_CLASS_RESULT), 177 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(EXCEPTION_CAUGHT), 178 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(MODULE_NOTIFICATION), 179 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PROBE_DATA_AVAILABLE), 180 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(ASYNC_MSG_SRVC_MESSAGE), 181 }; 182 183 static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg, 184 bool data_size_valid) 185 { 186 u32 val, type; 187 const u8 *str2 = NULL; 188 const u8 *str = NULL; 189 190 val = msg->primary & SOF_IPC4_MSG_TARGET_MASK; 191 type = SOF_IPC4_MSG_TYPE_GET(msg->primary); 192 193 if (val == SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG)) { 194 /* Module message */ 195 if (type < SOF_IPC4_MOD_TYPE_LAST) 196 str = ipc4_dbg_mod_msg_type[type]; 197 if (!str) 198 str = "Unknown Module message type"; 199 } else { 200 /* Global FW message */ 201 if (type < SOF_IPC4_GLB_TYPE_LAST) 202 str = ipc4_dbg_glb_msg_type[type]; 203 if (!str) 204 str = "Unknown Global message type"; 205 206 if (type == SOF_IPC4_GLB_NOTIFICATION) { 207 /* Notification message */ 208 u32 notif = SOF_IPC4_NOTIFICATION_TYPE_GET(msg->primary); 209 210 /* Do not print log buffer notification if not desired */ 211 if (notif == SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS && 212 !sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS)) 213 return; 214 215 if (notif < SOF_IPC4_NOTIFY_TYPE_LAST) 216 str2 = ipc4_dbg_notification_type[notif]; 217 if (!str2) 218 str2 = "Unknown Global notification"; 219 } 220 } 221 222 if (str2) { 223 if (data_size_valid && msg->data_size) 224 dev_dbg(dev, "%s: %#x|%#x: %s|%s [data size: %zu]\n", 225 text, msg->primary, msg->extension, str, str2, 226 msg->data_size); 227 else 228 dev_dbg(dev, "%s: %#x|%#x: %s|%s\n", text, msg->primary, 229 msg->extension, str, str2); 230 } else { 231 if (data_size_valid && msg->data_size) 232 dev_dbg(dev, "%s: %#x|%#x: %s [data size: %zu]\n", 233 text, msg->primary, msg->extension, str, 234 msg->data_size); 235 else 236 dev_dbg(dev, "%s: %#x|%#x: %s\n", text, msg->primary, 237 msg->extension, str); 238 } 239 } 240 #else /* CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC */ 241 static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg, 242 bool data_size_valid) 243 { 244 /* Do not print log buffer notification if not desired */ 245 if (!sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS) && 246 !SOF_IPC4_MSG_IS_MODULE_MSG(msg->primary) && 247 SOF_IPC4_MSG_TYPE_GET(msg->primary) == SOF_IPC4_GLB_NOTIFICATION && 248 SOF_IPC4_NOTIFICATION_TYPE_GET(msg->primary) == SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS) 249 return; 250 251 if (data_size_valid && msg->data_size) 252 dev_dbg(dev, "%s: %#x|%#x [data size: %zu]\n", text, 253 msg->primary, msg->extension, msg->data_size); 254 else 255 dev_dbg(dev, "%s: %#x|%#x\n", text, msg->primary, msg->extension); 256 } 257 #endif 258 259 static void sof_ipc4_dump_payload(struct snd_sof_dev *sdev, 260 void *ipc_data, size_t size) 261 { 262 print_hex_dump_debug("Message payload: ", DUMP_PREFIX_OFFSET, 263 16, 4, ipc_data, size, false); 264 } 265 266 static int sof_ipc4_get_reply(struct snd_sof_dev *sdev) 267 { 268 struct snd_sof_ipc_msg *msg = sdev->msg; 269 struct sof_ipc4_msg *ipc4_reply; 270 int ret; 271 272 /* get the generic reply */ 273 ipc4_reply = msg->reply_data; 274 275 sof_ipc4_log_header(sdev->dev, "ipc tx reply", ipc4_reply, false); 276 277 ret = sof_ipc4_check_reply_status(sdev, ipc4_reply->primary); 278 if (ret) 279 return ret; 280 281 /* No other information is expected for non large config get replies */ 282 if (!msg->reply_size || !SOF_IPC4_MSG_IS_MODULE_MSG(ipc4_reply->primary) || 283 (SOF_IPC4_MSG_TYPE_GET(ipc4_reply->primary) != SOF_IPC4_MOD_LARGE_CONFIG_GET)) 284 return 0; 285 286 /* Read the requested payload */ 287 snd_sof_dsp_mailbox_read(sdev, sdev->dsp_box.offset, ipc4_reply->data_ptr, 288 msg->reply_size); 289 290 return 0; 291 } 292 293 /* wait for IPC message reply */ 294 static int ipc4_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data) 295 { 296 struct snd_sof_ipc_msg *msg = &ipc->msg; 297 struct sof_ipc4_msg *ipc4_msg = msg->msg_data; 298 struct snd_sof_dev *sdev = ipc->sdev; 299 int ret; 300 301 /* wait for DSP IPC completion */ 302 ret = wait_event_timeout(msg->waitq, msg->ipc_complete, 303 msecs_to_jiffies(sdev->ipc_timeout)); 304 if (ret == 0) { 305 dev_err(sdev->dev, "ipc timed out for %#x|%#x\n", 306 ipc4_msg->primary, ipc4_msg->extension); 307 snd_sof_handle_fw_exception(ipc->sdev, "IPC timeout"); 308 return -ETIMEDOUT; 309 } 310 311 if (msg->reply_error) { 312 dev_err(sdev->dev, "ipc error for msg %#x|%#x\n", 313 ipc4_msg->primary, ipc4_msg->extension); 314 ret = msg->reply_error; 315 } else { 316 if (reply_data) { 317 struct sof_ipc4_msg *ipc4_reply = msg->reply_data; 318 struct sof_ipc4_msg *ipc4_reply_data = reply_data; 319 320 /* Copy the header */ 321 ipc4_reply_data->header_u64 = ipc4_reply->header_u64; 322 if (msg->reply_size && ipc4_reply_data->data_ptr) { 323 /* copy the payload returned from DSP */ 324 memcpy(ipc4_reply_data->data_ptr, ipc4_reply->data_ptr, 325 msg->reply_size); 326 ipc4_reply_data->data_size = msg->reply_size; 327 } 328 } 329 330 ret = 0; 331 sof_ipc4_log_header(sdev->dev, "ipc tx done ", ipc4_msg, true); 332 } 333 334 /* re-enable dumps after successful IPC tx */ 335 if (sdev->ipc_dump_printed) { 336 sdev->dbg_dump_printed = false; 337 sdev->ipc_dump_printed = false; 338 } 339 340 return ret; 341 } 342 343 static int ipc4_tx_msg_unlocked(struct snd_sof_ipc *ipc, 344 void *msg_data, size_t msg_bytes, 345 void *reply_data, size_t reply_bytes) 346 { 347 struct sof_ipc4_msg *ipc4_msg = msg_data; 348 struct snd_sof_dev *sdev = ipc->sdev; 349 int ret; 350 351 if (msg_bytes > ipc->max_payload_size || reply_bytes > ipc->max_payload_size) 352 return -EINVAL; 353 354 sof_ipc4_log_header(sdev->dev, "ipc tx ", msg_data, true); 355 356 ret = sof_ipc_send_msg(sdev, msg_data, msg_bytes, reply_bytes); 357 if (ret) { 358 dev_err_ratelimited(sdev->dev, 359 "%s: ipc message send for %#x|%#x failed: %d\n", 360 __func__, ipc4_msg->primary, ipc4_msg->extension, ret); 361 return ret; 362 } 363 364 /* now wait for completion */ 365 return ipc4_wait_tx_done(ipc, reply_data); 366 } 367 368 static int sof_ipc4_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes, 369 void *reply_data, size_t reply_bytes, bool no_pm) 370 { 371 struct snd_sof_ipc *ipc = sdev->ipc; 372 int ret; 373 374 if (!msg_data) 375 return -EINVAL; 376 377 if (!no_pm) { 378 const struct sof_dsp_power_state target_state = { 379 .state = SOF_DSP_PM_D0, 380 }; 381 382 /* ensure the DSP is in D0i0 before sending a new IPC */ 383 ret = snd_sof_dsp_set_power_state(sdev, &target_state); 384 if (ret < 0) 385 return ret; 386 } 387 388 /* Serialise IPC TX */ 389 mutex_lock(&ipc->tx_mutex); 390 391 ret = ipc4_tx_msg_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes); 392 393 if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD)) { 394 struct sof_ipc4_msg *msg = NULL; 395 396 /* payload is indicated by non zero msg/reply_bytes */ 397 if (msg_bytes) 398 msg = msg_data; 399 else if (reply_bytes) 400 msg = reply_data; 401 402 if (msg) 403 sof_ipc4_dump_payload(sdev, msg->data_ptr, msg->data_size); 404 } 405 406 mutex_unlock(&ipc->tx_mutex); 407 408 return ret; 409 } 410 411 static int sof_ipc4_set_get_data(struct snd_sof_dev *sdev, void *data, 412 size_t payload_bytes, bool set) 413 { 414 const struct sof_dsp_power_state target_state = { 415 .state = SOF_DSP_PM_D0, 416 }; 417 size_t payload_limit = sdev->ipc->max_payload_size; 418 struct sof_ipc4_msg *ipc4_msg = data; 419 struct sof_ipc4_msg tx = {{ 0 }}; 420 struct sof_ipc4_msg rx = {{ 0 }}; 421 size_t remaining = payload_bytes; 422 size_t offset = 0; 423 size_t chunk_size; 424 int ret; 425 426 if (!data) 427 return -EINVAL; 428 429 if ((ipc4_msg->primary & SOF_IPC4_MSG_TARGET_MASK) != 430 SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG)) 431 return -EINVAL; 432 433 ipc4_msg->primary &= ~SOF_IPC4_MSG_TYPE_MASK; 434 tx.primary = ipc4_msg->primary; 435 tx.extension = ipc4_msg->extension; 436 437 if (set) 438 tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_SET); 439 else 440 tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_GET); 441 442 tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK; 443 tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(payload_bytes); 444 445 tx.extension |= SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK(1); 446 447 /* ensure the DSP is in D0i0 before sending IPC */ 448 ret = snd_sof_dsp_set_power_state(sdev, &target_state); 449 if (ret < 0) 450 return ret; 451 452 /* Serialise IPC TX */ 453 mutex_lock(&sdev->ipc->tx_mutex); 454 455 do { 456 size_t tx_size, rx_size; 457 458 if (remaining > payload_limit) { 459 chunk_size = payload_limit; 460 } else { 461 chunk_size = remaining; 462 if (set) 463 tx.extension |= SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK(1); 464 } 465 466 if (offset) { 467 tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK; 468 tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK; 469 tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(offset); 470 } 471 472 if (set) { 473 tx.data_size = chunk_size; 474 tx.data_ptr = ipc4_msg->data_ptr + offset; 475 476 tx_size = chunk_size; 477 rx_size = 0; 478 } else { 479 rx.primary = 0; 480 rx.extension = 0; 481 rx.data_size = chunk_size; 482 rx.data_ptr = ipc4_msg->data_ptr + offset; 483 484 tx_size = 0; 485 rx_size = chunk_size; 486 } 487 488 /* Send the message for the current chunk */ 489 ret = ipc4_tx_msg_unlocked(sdev->ipc, &tx, tx_size, &rx, rx_size); 490 if (ret < 0) { 491 dev_err(sdev->dev, 492 "%s: large config %s failed at offset %zu: %d\n", 493 __func__, set ? "set" : "get", offset, ret); 494 goto out; 495 } 496 497 if (!set && rx.extension & SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK) { 498 /* Verify the firmware reported total payload size */ 499 rx_size = rx.extension & SOF_IPC4_MOD_EXT_MSG_SIZE_MASK; 500 501 if (rx_size > payload_bytes) { 502 dev_err(sdev->dev, 503 "%s: Receive buffer (%zu) is too small for %zu\n", 504 __func__, payload_bytes, rx_size); 505 ret = -ENOMEM; 506 goto out; 507 } 508 509 if (rx_size < chunk_size) { 510 chunk_size = rx_size; 511 remaining = rx_size; 512 } else if (rx_size < payload_bytes) { 513 remaining = rx_size; 514 } 515 } 516 517 offset += chunk_size; 518 remaining -= chunk_size; 519 } while (remaining); 520 521 /* Adjust the received data size if needed */ 522 if (!set && payload_bytes != offset) 523 ipc4_msg->data_size = offset; 524 525 out: 526 if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD)) 527 sof_ipc4_dump_payload(sdev, ipc4_msg->data_ptr, ipc4_msg->data_size); 528 529 mutex_unlock(&sdev->ipc->tx_mutex); 530 531 return ret; 532 } 533 534 static int sof_ipc4_init_msg_memory(struct snd_sof_dev *sdev) 535 { 536 struct sof_ipc4_msg *ipc4_msg; 537 struct snd_sof_ipc_msg *msg = &sdev->ipc->msg; 538 539 /* TODO: get max_payload_size from firmware */ 540 sdev->ipc->max_payload_size = SOF_IPC4_MSG_MAX_SIZE; 541 542 /* Allocate memory for the ipc4 container and the maximum payload */ 543 msg->reply_data = devm_kzalloc(sdev->dev, sdev->ipc->max_payload_size + 544 sizeof(struct sof_ipc4_msg), GFP_KERNEL); 545 if (!msg->reply_data) 546 return -ENOMEM; 547 548 ipc4_msg = msg->reply_data; 549 ipc4_msg->data_ptr = msg->reply_data + sizeof(struct sof_ipc4_msg); 550 551 return 0; 552 } 553 554 size_t sof_ipc4_find_debug_slot_offset_by_type(struct snd_sof_dev *sdev, 555 u32 slot_type) 556 { 557 size_t slot_desc_type_offset; 558 u32 type; 559 int i; 560 561 /* The type is the second u32 in the slot descriptor */ 562 slot_desc_type_offset = sdev->debug_box.offset + sizeof(u32); 563 for (i = 0; i < SOF_IPC4_MAX_DEBUG_SLOTS; i++) { 564 sof_mailbox_read(sdev, slot_desc_type_offset, &type, sizeof(type)); 565 566 if (type == slot_type) 567 return sdev->debug_box.offset + (i + 1) * SOF_IPC4_DEBUG_SLOT_SIZE; 568 569 slot_desc_type_offset += SOF_IPC4_DEBUG_DESCRIPTOR_SIZE; 570 } 571 572 dev_dbg(sdev->dev, "Slot type %#x is not available in debug window\n", slot_type); 573 return 0; 574 } 575 EXPORT_SYMBOL(sof_ipc4_find_debug_slot_offset_by_type); 576 577 static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg) 578 { 579 /* no need to re-check version/ABI for subsequent boots */ 580 if (!sdev->first_boot) 581 return 0; 582 583 sof_ipc4_create_exception_debugfs_node(sdev); 584 585 return sof_ipc4_init_msg_memory(sdev); 586 } 587 588 static void sof_ipc4_module_notification_handler(struct snd_sof_dev *sdev, 589 struct sof_ipc4_msg *ipc4_msg) 590 { 591 struct sof_ipc4_notify_module_data *data = ipc4_msg->data_ptr; 592 593 /* 594 * If the notification includes additional, module specific data, then 595 * we need to re-allocate the buffer and re-read the whole payload, 596 * including the event_data 597 */ 598 if (data->event_data_size) { 599 void *new; 600 int ret; 601 602 ipc4_msg->data_size += data->event_data_size; 603 604 new = krealloc(ipc4_msg->data_ptr, ipc4_msg->data_size, GFP_KERNEL); 605 if (!new) { 606 ipc4_msg->data_size -= data->event_data_size; 607 return; 608 } 609 610 /* re-read the whole payload */ 611 ipc4_msg->data_ptr = new; 612 ret = snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, 613 ipc4_msg->data_size); 614 if (ret < 0) { 615 dev_err(sdev->dev, 616 "Failed to read the full module notification: %d\n", 617 ret); 618 return; 619 } 620 data = ipc4_msg->data_ptr; 621 } 622 623 /* Handle ALSA kcontrol notification */ 624 if ((data->event_id & SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_MASK) == 625 SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_VAL) { 626 const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; 627 628 if (tplg_ops->control->update) 629 tplg_ops->control->update(sdev, ipc4_msg); 630 } 631 } 632 633 static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev) 634 { 635 struct sof_ipc4_msg *ipc4_msg = sdev->ipc->msg.rx_data; 636 ipc4_notification_handler handler_func = NULL; 637 size_t data_size = 0; 638 int err; 639 640 if (!ipc4_msg || !SOF_IPC4_MSG_IS_NOTIFICATION(ipc4_msg->primary)) 641 return; 642 643 ipc4_msg->data_ptr = NULL; 644 ipc4_msg->data_size = 0; 645 646 sof_ipc4_log_header(sdev->dev, "ipc rx ", ipc4_msg, false); 647 648 switch (SOF_IPC4_NOTIFICATION_TYPE_GET(ipc4_msg->primary)) { 649 case SOF_IPC4_NOTIFY_FW_READY: 650 /* check for FW boot completion */ 651 if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) { 652 err = ipc4_fw_ready(sdev, ipc4_msg); 653 if (err < 0) 654 sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED); 655 else 656 sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK); 657 658 /* wake up firmware loader */ 659 wake_up(&sdev->boot_wait); 660 } 661 662 break; 663 case SOF_IPC4_NOTIFY_RESOURCE_EVENT: 664 data_size = sizeof(struct sof_ipc4_notify_resource_data); 665 break; 666 case SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS: 667 sof_ipc4_mtrace_update_pos(sdev, SOF_IPC4_LOG_CORE_GET(ipc4_msg->primary)); 668 break; 669 case SOF_IPC4_NOTIFY_EXCEPTION_CAUGHT: 670 snd_sof_dsp_panic(sdev, 0, true); 671 break; 672 case SOF_IPC4_NOTIFY_MODULE_NOTIFICATION: 673 data_size = sizeof(struct sof_ipc4_notify_module_data); 674 handler_func = sof_ipc4_module_notification_handler; 675 break; 676 default: 677 dev_dbg(sdev->dev, "Unhandled DSP message: %#x|%#x\n", 678 ipc4_msg->primary, ipc4_msg->extension); 679 break; 680 } 681 682 if (data_size) { 683 ipc4_msg->data_ptr = kmalloc(data_size, GFP_KERNEL); 684 if (!ipc4_msg->data_ptr) 685 return; 686 687 ipc4_msg->data_size = data_size; 688 err = snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size); 689 if (err < 0) { 690 dev_err(sdev->dev, "failed to read IPC notification data: %d\n", err); 691 kfree(ipc4_msg->data_ptr); 692 ipc4_msg->data_ptr = NULL; 693 ipc4_msg->data_size = 0; 694 return; 695 } 696 } 697 698 /* Handle notifications with payload */ 699 if (handler_func) 700 handler_func(sdev, ipc4_msg); 701 702 sof_ipc4_log_header(sdev->dev, "ipc rx done ", ipc4_msg, true); 703 704 if (data_size) { 705 if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD)) 706 sof_ipc4_dump_payload(sdev, ipc4_msg->data_ptr, 707 ipc4_msg->data_size); 708 709 kfree(ipc4_msg->data_ptr); 710 ipc4_msg->data_ptr = NULL; 711 ipc4_msg->data_size = 0; 712 } 713 } 714 715 static int sof_ipc4_set_core_state(struct snd_sof_dev *sdev, int core_idx, bool on) 716 { 717 struct sof_ipc4_dx_state_info dx_state; 718 struct sof_ipc4_msg msg; 719 720 dx_state.core_mask = BIT(core_idx); 721 if (on) 722 dx_state.dx_mask = BIT(core_idx); 723 else 724 dx_state.dx_mask = 0; 725 726 msg.primary = SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_SET_DX); 727 msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); 728 msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); 729 msg.extension = 0; 730 msg.data_ptr = &dx_state; 731 msg.data_size = sizeof(dx_state); 732 733 return sof_ipc4_tx_msg(sdev, &msg, msg.data_size, NULL, 0, false); 734 } 735 736 /* 737 * The context save callback is used to send a message to the firmware notifying 738 * it that the primary core is going to be turned off, which is used as an 739 * indication to prepare for a full power down, thus preparing for IMR boot 740 * (when supported) 741 * 742 * Note: in IPC4 there is no message used to restore context, thus no context 743 * restore callback is implemented 744 */ 745 static int sof_ipc4_ctx_save(struct snd_sof_dev *sdev) 746 { 747 return sof_ipc4_set_core_state(sdev, SOF_DSP_PRIMARY_CORE, false); 748 } 749 750 static int sof_ipc4_set_pm_gate(struct snd_sof_dev *sdev, u32 flags) 751 { 752 struct sof_ipc4_msg msg = {{0}}; 753 754 msg.primary = SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_SET_D0IX); 755 msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); 756 msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); 757 msg.extension = flags; 758 759 return sof_ipc4_tx_msg(sdev, &msg, 0, NULL, 0, true); 760 } 761 762 static const struct sof_ipc_pm_ops ipc4_pm_ops = { 763 .ctx_save = sof_ipc4_ctx_save, 764 .set_core_state = sof_ipc4_set_core_state, 765 .set_pm_gate = sof_ipc4_set_pm_gate, 766 }; 767 768 static int sof_ipc4_init(struct snd_sof_dev *sdev) 769 { 770 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 771 int inbox_offset; 772 773 mutex_init(&ipc4_data->pipeline_state_mutex); 774 775 xa_init_flags(&ipc4_data->fw_lib_xa, XA_FLAGS_ALLOC); 776 777 /* Set up the windows for IPC communication */ 778 inbox_offset = snd_sof_dsp_get_mailbox_offset(sdev); 779 if (inbox_offset < 0) { 780 dev_err(sdev->dev, "%s: No mailbox offset\n", __func__); 781 return inbox_offset; 782 } 783 784 sdev->dsp_box.offset = inbox_offset; 785 sdev->dsp_box.size = SOF_IPC4_MSG_MAX_SIZE; 786 sdev->host_box.offset = snd_sof_dsp_get_window_offset(sdev, 787 SOF_IPC4_OUTBOX_WINDOW_IDX); 788 sdev->host_box.size = SOF_IPC4_MSG_MAX_SIZE; 789 790 sdev->debug_box.offset = snd_sof_dsp_get_window_offset(sdev, 791 SOF_IPC4_DEBUG_WINDOW_IDX); 792 793 sdev->fw_info_box.offset = snd_sof_dsp_get_window_offset(sdev, 794 SOF_IPC4_INBOX_WINDOW_IDX); 795 sdev->fw_info_box.size = sizeof(struct sof_ipc4_fw_registers); 796 797 dev_dbg(sdev->dev, "mailbox upstream %#x - size %#x\n", 798 sdev->dsp_box.offset, SOF_IPC4_MSG_MAX_SIZE); 799 dev_dbg(sdev->dev, "mailbox downstream %#x - size %#x\n", 800 sdev->host_box.offset, SOF_IPC4_MSG_MAX_SIZE); 801 dev_dbg(sdev->dev, "debug box %#x\n", sdev->debug_box.offset); 802 803 return 0; 804 } 805 806 static void sof_ipc4_exit(struct snd_sof_dev *sdev) 807 { 808 struct sof_ipc4_fw_data *ipc4_data = sdev->private; 809 struct sof_ipc4_fw_library *fw_lib; 810 unsigned long lib_id; 811 812 xa_for_each(&ipc4_data->fw_lib_xa, lib_id, fw_lib) { 813 /* 814 * The basefw (ID == 0) is handled by generic code, it is not 815 * loaded by IPC4 code. 816 */ 817 if (lib_id != 0) 818 release_firmware(fw_lib->sof_fw.fw); 819 820 fw_lib->sof_fw.fw = NULL; 821 } 822 823 xa_destroy(&ipc4_data->fw_lib_xa); 824 } 825 826 static int sof_ipc4_post_boot(struct snd_sof_dev *sdev) 827 { 828 if (sdev->first_boot) 829 return sof_ipc4_query_fw_configuration(sdev); 830 831 return sof_ipc4_reload_fw_libraries(sdev); 832 } 833 834 const struct sof_ipc_ops ipc4_ops = { 835 .init = sof_ipc4_init, 836 .exit = sof_ipc4_exit, 837 .post_fw_boot = sof_ipc4_post_boot, 838 .tx_msg = sof_ipc4_tx_msg, 839 .rx_msg = sof_ipc4_rx_msg, 840 .set_get_data = sof_ipc4_set_get_data, 841 .get_reply = sof_ipc4_get_reply, 842 .pm = &ipc4_pm_ops, 843 .fw_loader = &ipc4_loader_ops, 844 .tplg = &ipc4_tplg_ops, 845 .pcm = &ipc4_pcm_ops, 846 .fw_tracing = &ipc4_mtrace_ops, 847 }; 848