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. All rights reserved. 7 // 8 // Authors: Rander Wang <rander.wang@linux.intel.com> 9 // Peter Ujfalusi <peter.ujfalusi@linux.intel.com> 10 // 11 #include <sound/sof/header.h> 12 #include <sound/sof/ipc4/header.h> 13 #include "sof-priv.h" 14 #include "sof-audio.h" 15 #include "ipc4-priv.h" 16 #include "ops.h" 17 18 #ifdef DEBUG_VERBOSE 19 #define sof_ipc4_dump_payload(sdev, ipc_data, size) \ 20 print_hex_dump_debug("Message payload: ", \ 21 DUMP_PREFIX_OFFSET, \ 22 16, 4, ipc_data, size, false) 23 #else 24 #define sof_ipc4_dump_payload(sdev, ipc_data, size) do { } while (0) 25 #endif 26 27 static const struct sof_ipc4_fw_status { 28 int status; 29 char *msg; 30 } ipc4_status[] = { 31 {0, "The operation was successful"}, 32 {1, "Invalid parameter specified"}, 33 {2, "Unknown message type specified"}, 34 {3, "Not enough space in the IPC reply buffer to complete the request"}, 35 {4, "The system or resource is busy"}, 36 {5, "Replaced ADSP IPC PENDING (unused)"}, 37 {6, "Unknown error while processing the request"}, 38 {7, "Unsupported operation requested"}, 39 {8, "Reserved (ADSP_STAGE_UNINITIALIZED removed)"}, 40 {9, "Specified resource not found"}, 41 {10, "A resource's ID requested to be created is already assigned"}, 42 {11, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"}, 43 {12, "Required resource is in invalid state"}, 44 {13, "Requested power transition failed to complete"}, 45 {14, "Manifest of the library being loaded is invalid"}, 46 {15, "Requested service or data is unavailable on the target platform"}, 47 {42, "Library target address is out of storage memory range"}, 48 {43, "Reserved"}, 49 {44, "Image verification by CSE failed"}, 50 {100, "General module management error"}, 51 {101, "Module loading failed"}, 52 {102, "Integrity check of the loaded module content failed"}, 53 {103, "Attempt to unload code of the module in use"}, 54 {104, "Other failure of module instance initialization request"}, 55 {105, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"}, 56 {106, "Reserved (ADSP_IPC_CONFIG_GET_ERROR removed)"}, 57 {107, "Reserved (ADSP_IPC_CONFIG_SET_ERROR removed)"}, 58 {108, "Reserved (ADSP_IPC_LARGE_CONFIG_GET_ERROR removed)"}, 59 {109, "Reserved (ADSP_IPC_LARGE_CONFIG_SET_ERROR removed)"}, 60 {110, "Invalid (out of range) module ID provided"}, 61 {111, "Invalid module instance ID provided"}, 62 {112, "Invalid queue (pin) ID provided"}, 63 {113, "Invalid destination queue (pin) ID provided"}, 64 {114, "Reserved (ADSP_IPC_BIND_UNBIND_DST_SINK_UNSUPPORTED removed)"}, 65 {115, "Reserved (ADSP_IPC_UNLOAD_INST_EXISTS removed)"}, 66 {116, "Invalid target code ID provided"}, 67 {117, "Injection DMA buffer is too small for probing the input pin"}, 68 {118, "Extraction DMA buffer is too small for probing the output pin"}, 69 {120, "Invalid ID of configuration item provided in TLV list"}, 70 {121, "Invalid length of configuration item provided in TLV list"}, 71 {122, "Invalid structure of configuration item provided"}, 72 {140, "Initialization of DMA Gateway failed"}, 73 {141, "Invalid ID of gateway provided"}, 74 {142, "Setting state of DMA Gateway failed"}, 75 {143, "DMA_CONTROL message targeting gateway not allocated yet"}, 76 {150, "Attempt to configure SCLK while I2S port is running"}, 77 {151, "Attempt to configure MCLK while I2S port is running"}, 78 {152, "Attempt to stop SCLK that is not running"}, 79 {153, "Attempt to stop MCLK that is not running"}, 80 {160, "Reserved (ADSP_IPC_PIPELINE_NOT_INITIALIZED removed)"}, 81 {161, "Reserved (ADSP_IPC_PIPELINE_NOT_EXIST removed)"}, 82 {162, "Reserved (ADSP_IPC_PIPELINE_SAVE_FAILED removed)"}, 83 {163, "Reserved (ADSP_IPC_PIPELINE_RESTORE_FAILED removed)"}, 84 {165, "Reserved (ADSP_IPC_PIPELINE_ALREADY_EXISTS removed)"}, 85 }; 86 87 static int sof_ipc4_check_reply_status(struct snd_sof_dev *sdev, u32 status) 88 { 89 int i, ret; 90 91 status &= SOF_IPC4_REPLY_STATUS; 92 93 if (!status) 94 return 0; 95 96 for (i = 0; i < ARRAY_SIZE(ipc4_status); i++) { 97 if (ipc4_status[i].status == status) { 98 dev_err(sdev->dev, "FW reported error: %u - %s\n", 99 status, ipc4_status[i].msg); 100 goto to_errno; 101 } 102 } 103 104 if (i == ARRAY_SIZE(ipc4_status)) 105 dev_err(sdev->dev, "FW reported error: %u - Unknown\n", status); 106 107 to_errno: 108 switch (status) { 109 case 8: 110 case 11: 111 case 105 ... 109: 112 case 114 ... 115: 113 case 160 ... 163: 114 case 165: 115 ret = -ENOENT; 116 break; 117 case 4: 118 case 150: 119 case 151: 120 ret = -EBUSY; 121 break; 122 default: 123 ret = -EINVAL; 124 break; 125 } 126 127 return ret; 128 } 129 130 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC) 131 #define DBG_IPC4_MSG_TYPE_ENTRY(type) [SOF_IPC4_##type] = #type 132 static const char * const ipc4_dbg_mod_msg_type[] = { 133 DBG_IPC4_MSG_TYPE_ENTRY(MOD_INIT_INSTANCE), 134 DBG_IPC4_MSG_TYPE_ENTRY(MOD_CONFIG_GET), 135 DBG_IPC4_MSG_TYPE_ENTRY(MOD_CONFIG_SET), 136 DBG_IPC4_MSG_TYPE_ENTRY(MOD_LARGE_CONFIG_GET), 137 DBG_IPC4_MSG_TYPE_ENTRY(MOD_LARGE_CONFIG_SET), 138 DBG_IPC4_MSG_TYPE_ENTRY(MOD_BIND), 139 DBG_IPC4_MSG_TYPE_ENTRY(MOD_UNBIND), 140 DBG_IPC4_MSG_TYPE_ENTRY(MOD_SET_DX), 141 DBG_IPC4_MSG_TYPE_ENTRY(MOD_SET_D0IX), 142 DBG_IPC4_MSG_TYPE_ENTRY(MOD_ENTER_MODULE_RESTORE), 143 DBG_IPC4_MSG_TYPE_ENTRY(MOD_EXIT_MODULE_RESTORE), 144 DBG_IPC4_MSG_TYPE_ENTRY(MOD_DELETE_INSTANCE), 145 }; 146 147 static const char * const ipc4_dbg_glb_msg_type[] = { 148 DBG_IPC4_MSG_TYPE_ENTRY(GLB_BOOT_CONFIG), 149 DBG_IPC4_MSG_TYPE_ENTRY(GLB_ROM_CONTROL), 150 DBG_IPC4_MSG_TYPE_ENTRY(GLB_IPCGATEWAY_CMD), 151 DBG_IPC4_MSG_TYPE_ENTRY(GLB_PERF_MEASUREMENTS_CMD), 152 DBG_IPC4_MSG_TYPE_ENTRY(GLB_CHAIN_DMA), 153 DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_MULTIPLE_MODULES), 154 DBG_IPC4_MSG_TYPE_ENTRY(GLB_UNLOAD_MULTIPLE_MODULES), 155 DBG_IPC4_MSG_TYPE_ENTRY(GLB_CREATE_PIPELINE), 156 DBG_IPC4_MSG_TYPE_ENTRY(GLB_DELETE_PIPELINE), 157 DBG_IPC4_MSG_TYPE_ENTRY(GLB_SET_PIPELINE_STATE), 158 DBG_IPC4_MSG_TYPE_ENTRY(GLB_GET_PIPELINE_STATE), 159 DBG_IPC4_MSG_TYPE_ENTRY(GLB_GET_PIPELINE_CONTEXT_SIZE), 160 DBG_IPC4_MSG_TYPE_ENTRY(GLB_SAVE_PIPELINE), 161 DBG_IPC4_MSG_TYPE_ENTRY(GLB_RESTORE_PIPELINE), 162 DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_LIBRARY), 163 DBG_IPC4_MSG_TYPE_ENTRY(GLB_INTERNAL_MESSAGE), 164 DBG_IPC4_MSG_TYPE_ENTRY(GLB_NOTIFICATION), 165 }; 166 167 #define DBG_IPC4_NOTIFICATION_TYPE_ENTRY(type) [SOF_IPC4_NOTIFY_##type] = #type 168 static const char * const ipc4_dbg_notification_type[] = { 169 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PHRASE_DETECTED), 170 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(RESOURCE_EVENT), 171 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(LOG_BUFFER_STATUS), 172 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(TIMESTAMP_CAPTURED), 173 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_READY), 174 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_AUD_CLASS_RESULT), 175 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(EXCEPTION_CAUGHT), 176 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(MODULE_NOTIFICATION), 177 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PROBE_DATA_AVAILABLE), 178 DBG_IPC4_NOTIFICATION_TYPE_ENTRY(ASYNC_MSG_SRVC_MESSAGE), 179 }; 180 181 static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg, 182 bool data_size_valid) 183 { 184 u32 val, type; 185 const u8 *str2 = NULL; 186 const u8 *str = NULL; 187 188 val = msg->primary & SOF_IPC4_MSG_TARGET_MASK; 189 type = SOF_IPC4_MSG_TYPE_GET(msg->primary); 190 191 if (val == SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG)) { 192 /* Module message */ 193 if (type < SOF_IPC4_MOD_TYPE_LAST) 194 str = ipc4_dbg_mod_msg_type[type]; 195 if (!str) 196 str = "Unknown Module message type"; 197 } else { 198 /* Global FW message */ 199 if (type < SOF_IPC4_GLB_TYPE_LAST) 200 str = ipc4_dbg_glb_msg_type[type]; 201 if (!str) 202 str = "Unknown Global message type"; 203 204 if (type == SOF_IPC4_GLB_NOTIFICATION) { 205 /* Notification message */ 206 u32 notif = SOF_IPC4_NOTIFICATION_TYPE_GET(msg->primary); 207 208 /* Do not print log buffer notification if not desired */ 209 if (notif == SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS && 210 !sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS)) 211 return; 212 213 if (notif < SOF_IPC4_NOTIFY_TYPE_LAST) 214 str2 = ipc4_dbg_notification_type[notif]; 215 if (!str2) 216 str2 = "Unknown Global notification"; 217 } 218 } 219 220 if (str2) { 221 if (data_size_valid && msg->data_size) 222 dev_dbg(dev, "%s: %#x|%#x: %s|%s [data size: %zu]\n", 223 text, msg->primary, msg->extension, str, str2, 224 msg->data_size); 225 else 226 dev_dbg(dev, "%s: %#x|%#x: %s|%s\n", text, msg->primary, 227 msg->extension, str, str2); 228 } else { 229 if (data_size_valid && msg->data_size) 230 dev_dbg(dev, "%s: %#x|%#x: %s [data size: %zu]\n", 231 text, msg->primary, msg->extension, str, 232 msg->data_size); 233 else 234 dev_dbg(dev, "%s: %#x|%#x: %s\n", text, msg->primary, 235 msg->extension, str); 236 } 237 } 238 #else /* CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC */ 239 static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg, 240 bool data_size_valid) 241 { 242 /* Do not print log buffer notification if not desired */ 243 if (!sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS) && 244 !SOF_IPC4_MSG_IS_MODULE_MSG(msg->primary) && 245 SOF_IPC4_MSG_TYPE_GET(msg->primary) == SOF_IPC4_GLB_NOTIFICATION && 246 SOF_IPC4_NOTIFICATION_TYPE_GET(msg->primary) == SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS) 247 return; 248 249 if (data_size_valid && msg->data_size) 250 dev_dbg(dev, "%s: %#x|%#x [data size: %zu]\n", text, 251 msg->primary, msg->extension, msg->data_size); 252 else 253 dev_dbg(dev, "%s: %#x|%#x\n", text, msg->primary, msg->extension); 254 } 255 #endif 256 257 static int sof_ipc4_get_reply(struct snd_sof_dev *sdev) 258 { 259 struct snd_sof_ipc_msg *msg = sdev->msg; 260 struct sof_ipc4_msg *ipc4_reply; 261 int ret; 262 263 /* get the generic reply */ 264 ipc4_reply = msg->reply_data; 265 266 sof_ipc4_log_header(sdev->dev, "ipc tx reply", ipc4_reply, false); 267 268 ret = sof_ipc4_check_reply_status(sdev, ipc4_reply->primary); 269 if (ret) 270 return ret; 271 272 /* No other information is expected for non large config get replies */ 273 if (!msg->reply_size || !SOF_IPC4_MSG_IS_MODULE_MSG(ipc4_reply->primary) || 274 (SOF_IPC4_MSG_TYPE_GET(ipc4_reply->primary) != SOF_IPC4_MOD_LARGE_CONFIG_GET)) 275 return 0; 276 277 /* Read the requested payload */ 278 snd_sof_dsp_mailbox_read(sdev, sdev->dsp_box.offset, ipc4_reply->data_ptr, 279 msg->reply_size); 280 281 return 0; 282 } 283 284 /* wait for IPC message reply */ 285 static int ipc4_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data) 286 { 287 struct snd_sof_ipc_msg *msg = &ipc->msg; 288 struct sof_ipc4_msg *ipc4_msg = msg->msg_data; 289 struct snd_sof_dev *sdev = ipc->sdev; 290 int ret; 291 292 /* wait for DSP IPC completion */ 293 ret = wait_event_timeout(msg->waitq, msg->ipc_complete, 294 msecs_to_jiffies(sdev->ipc_timeout)); 295 if (ret == 0) { 296 dev_err(sdev->dev, "ipc timed out for %#x|%#x\n", 297 ipc4_msg->primary, ipc4_msg->extension); 298 snd_sof_handle_fw_exception(ipc->sdev, "IPC timeout"); 299 return -ETIMEDOUT; 300 } 301 302 if (msg->reply_error) { 303 dev_err(sdev->dev, "ipc error for msg %#x|%#x\n", 304 ipc4_msg->primary, ipc4_msg->extension); 305 ret = msg->reply_error; 306 } else { 307 if (reply_data) { 308 struct sof_ipc4_msg *ipc4_reply = msg->reply_data; 309 struct sof_ipc4_msg *ipc4_reply_data = reply_data; 310 311 /* Copy the header */ 312 ipc4_reply_data->header_u64 = ipc4_reply->header_u64; 313 if (msg->reply_size && ipc4_reply_data->data_ptr) { 314 /* copy the payload returned from DSP */ 315 memcpy(ipc4_reply_data->data_ptr, ipc4_reply->data_ptr, 316 msg->reply_size); 317 ipc4_reply_data->data_size = msg->reply_size; 318 } 319 } 320 321 ret = 0; 322 sof_ipc4_log_header(sdev->dev, "ipc tx done ", ipc4_msg, true); 323 } 324 325 /* re-enable dumps after successful IPC tx */ 326 if (sdev->ipc_dump_printed) { 327 sdev->dbg_dump_printed = false; 328 sdev->ipc_dump_printed = false; 329 } 330 331 return ret; 332 } 333 334 static int ipc4_tx_msg_unlocked(struct snd_sof_ipc *ipc, 335 void *msg_data, size_t msg_bytes, 336 void *reply_data, size_t reply_bytes) 337 { 338 struct sof_ipc4_msg *ipc4_msg = msg_data; 339 struct snd_sof_dev *sdev = ipc->sdev; 340 int ret; 341 342 if (msg_bytes > ipc->max_payload_size || reply_bytes > ipc->max_payload_size) 343 return -EINVAL; 344 345 ret = sof_ipc_send_msg(sdev, msg_data, msg_bytes, reply_bytes); 346 if (ret) { 347 dev_err_ratelimited(sdev->dev, 348 "%s: ipc message send for %#x|%#x failed: %d\n", 349 __func__, ipc4_msg->primary, ipc4_msg->extension, ret); 350 return ret; 351 } 352 353 sof_ipc4_log_header(sdev->dev, "ipc tx ", msg_data, true); 354 355 /* now wait for completion */ 356 return ipc4_wait_tx_done(ipc, reply_data); 357 } 358 359 static int sof_ipc4_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes, 360 void *reply_data, size_t reply_bytes, bool no_pm) 361 { 362 struct snd_sof_ipc *ipc = sdev->ipc; 363 #ifdef DEBUG_VERBOSE 364 struct sof_ipc4_msg *msg = NULL; 365 #endif 366 int ret; 367 368 if (!msg_data) 369 return -EINVAL; 370 371 /* Serialise IPC TX */ 372 mutex_lock(&ipc->tx_mutex); 373 374 ret = ipc4_tx_msg_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes); 375 376 mutex_unlock(&ipc->tx_mutex); 377 378 #ifdef DEBUG_VERBOSE 379 /* payload is indicated by non zero msg/reply_bytes */ 380 if (msg_bytes) 381 msg = msg_data; 382 else if (reply_bytes) 383 msg = reply_data; 384 385 if (msg) 386 sof_ipc4_dump_payload(sdev, msg->data_ptr, msg->data_size); 387 #endif 388 389 return ret; 390 } 391 392 static int sof_ipc4_set_get_data(struct snd_sof_dev *sdev, void *data, 393 size_t payload_bytes, bool set) 394 { 395 size_t payload_limit = sdev->ipc->max_payload_size; 396 struct sof_ipc4_msg *ipc4_msg = data; 397 struct sof_ipc4_msg tx = {{ 0 }}; 398 struct sof_ipc4_msg rx = {{ 0 }}; 399 size_t remaining = payload_bytes; 400 size_t offset = 0; 401 size_t chunk_size; 402 int ret; 403 404 if (!data) 405 return -EINVAL; 406 407 if ((ipc4_msg->primary & SOF_IPC4_MSG_TARGET_MASK) != 408 SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG)) 409 return -EINVAL; 410 411 ipc4_msg->primary &= ~SOF_IPC4_MSG_TYPE_MASK; 412 tx.primary = ipc4_msg->primary; 413 tx.extension = ipc4_msg->extension; 414 415 if (set) 416 tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_SET); 417 else 418 tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_GET); 419 420 tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK; 421 tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(payload_bytes); 422 423 tx.extension |= SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK(1); 424 425 /* Serialise IPC TX */ 426 mutex_lock(&sdev->ipc->tx_mutex); 427 428 do { 429 size_t tx_size, rx_size; 430 431 if (remaining > payload_limit) { 432 chunk_size = payload_limit; 433 } else { 434 chunk_size = remaining; 435 if (set) 436 tx.extension |= SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK(1); 437 } 438 439 if (offset) { 440 tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK; 441 tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK; 442 tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(offset); 443 } 444 445 if (set) { 446 tx.data_size = chunk_size; 447 tx.data_ptr = ipc4_msg->data_ptr + offset; 448 449 tx_size = chunk_size; 450 rx_size = 0; 451 } else { 452 rx.primary = 0; 453 rx.extension = 0; 454 rx.data_size = chunk_size; 455 rx.data_ptr = ipc4_msg->data_ptr + offset; 456 457 tx_size = 0; 458 rx_size = chunk_size; 459 } 460 461 /* Send the message for the current chunk */ 462 ret = ipc4_tx_msg_unlocked(sdev->ipc, &tx, tx_size, &rx, rx_size); 463 if (ret < 0) { 464 dev_err(sdev->dev, 465 "%s: large config %s failed at offset %zu: %d\n", 466 __func__, set ? "set" : "get", offset, ret); 467 goto out; 468 } 469 470 if (!set && rx.extension & SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK) { 471 /* Verify the firmware reported total payload size */ 472 rx_size = rx.extension & SOF_IPC4_MOD_EXT_MSG_SIZE_MASK; 473 474 if (rx_size > payload_bytes) { 475 dev_err(sdev->dev, 476 "%s: Receive buffer (%zu) is too small for %zu\n", 477 __func__, payload_bytes, rx_size); 478 ret = -ENOMEM; 479 goto out; 480 } 481 482 if (rx_size < chunk_size) { 483 chunk_size = rx_size; 484 remaining = rx_size; 485 } else if (rx_size < payload_bytes) { 486 remaining = rx_size; 487 } 488 } 489 490 offset += chunk_size; 491 remaining -= chunk_size; 492 } while (remaining); 493 494 /* Adjust the received data size if needed */ 495 if (!set && payload_bytes != offset) 496 ipc4_msg->data_size = offset; 497 498 sof_ipc4_dump_payload(sdev, ipc4_msg->data_ptr, ipc4_msg->data_size); 499 500 out: 501 mutex_unlock(&sdev->ipc->tx_mutex); 502 503 return ret; 504 } 505 506 static int sof_ipc4_init_msg_memory(struct snd_sof_dev *sdev) 507 { 508 struct sof_ipc4_msg *ipc4_msg; 509 struct snd_sof_ipc_msg *msg = &sdev->ipc->msg; 510 511 /* TODO: get max_payload_size from firmware */ 512 sdev->ipc->max_payload_size = SOF_IPC4_MSG_MAX_SIZE; 513 514 /* Allocate memory for the ipc4 container and the maximum payload */ 515 msg->reply_data = devm_kzalloc(sdev->dev, sdev->ipc->max_payload_size + 516 sizeof(struct sof_ipc4_msg), GFP_KERNEL); 517 if (!msg->reply_data) 518 return -ENOMEM; 519 520 ipc4_msg = msg->reply_data; 521 ipc4_msg->data_ptr = msg->reply_data + sizeof(struct sof_ipc4_msg); 522 523 return 0; 524 } 525 526 static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg) 527 { 528 int inbox_offset, inbox_size, outbox_offset, outbox_size; 529 530 /* no need to re-check version/ABI for subsequent boots */ 531 if (!sdev->first_boot) 532 return 0; 533 534 /* Set up the windows for IPC communication */ 535 inbox_offset = snd_sof_dsp_get_mailbox_offset(sdev); 536 if (inbox_offset < 0) { 537 dev_err(sdev->dev, "%s: No mailbox offset\n", __func__); 538 return inbox_offset; 539 } 540 inbox_size = SOF_IPC4_MSG_MAX_SIZE; 541 outbox_offset = snd_sof_dsp_get_window_offset(sdev, SOF_IPC4_OUTBOX_WINDOW_IDX); 542 outbox_size = SOF_IPC4_MSG_MAX_SIZE; 543 544 sdev->dsp_box.offset = inbox_offset; 545 sdev->dsp_box.size = inbox_size; 546 sdev->host_box.offset = outbox_offset; 547 sdev->host_box.size = outbox_size; 548 549 sdev->debug_box.offset = snd_sof_dsp_get_window_offset(sdev, 550 SOF_IPC4_DEBUG_WINDOW_IDX); 551 552 dev_dbg(sdev->dev, "mailbox upstream 0x%x - size 0x%x\n", 553 inbox_offset, inbox_size); 554 dev_dbg(sdev->dev, "mailbox downstream 0x%x - size 0x%x\n", 555 outbox_offset, outbox_size); 556 dev_dbg(sdev->dev, "debug box 0x%x\n", sdev->debug_box.offset); 557 558 return sof_ipc4_init_msg_memory(sdev); 559 } 560 561 static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev) 562 { 563 struct sof_ipc4_msg *ipc4_msg = sdev->ipc->msg.rx_data; 564 size_t data_size = 0; 565 int err; 566 567 if (!ipc4_msg || !SOF_IPC4_MSG_IS_NOTIFICATION(ipc4_msg->primary)) 568 return; 569 570 ipc4_msg->data_ptr = NULL; 571 ipc4_msg->data_size = 0; 572 573 sof_ipc4_log_header(sdev->dev, "ipc rx ", ipc4_msg, false); 574 575 switch (SOF_IPC4_NOTIFICATION_TYPE_GET(ipc4_msg->primary)) { 576 case SOF_IPC4_NOTIFY_FW_READY: 577 /* check for FW boot completion */ 578 if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) { 579 err = ipc4_fw_ready(sdev, ipc4_msg); 580 if (err < 0) 581 sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED); 582 else 583 sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK); 584 585 /* wake up firmware loader */ 586 wake_up(&sdev->boot_wait); 587 } 588 589 break; 590 case SOF_IPC4_NOTIFY_RESOURCE_EVENT: 591 data_size = sizeof(struct sof_ipc4_notify_resource_data); 592 break; 593 case SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS: 594 sof_ipc4_mtrace_update_pos(sdev, SOF_IPC4_LOG_CORE_GET(ipc4_msg->primary)); 595 break; 596 default: 597 dev_dbg(sdev->dev, "Unhandled DSP message: %#x|%#x\n", 598 ipc4_msg->primary, ipc4_msg->extension); 599 break; 600 } 601 602 if (data_size) { 603 ipc4_msg->data_ptr = kmalloc(data_size, GFP_KERNEL); 604 if (!ipc4_msg->data_ptr) 605 return; 606 607 ipc4_msg->data_size = data_size; 608 snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size); 609 } 610 611 sof_ipc4_log_header(sdev->dev, "ipc rx done ", ipc4_msg, true); 612 613 if (data_size) { 614 kfree(ipc4_msg->data_ptr); 615 ipc4_msg->data_ptr = NULL; 616 ipc4_msg->data_size = 0; 617 } 618 } 619 620 static int sof_ipc4_set_core_state(struct snd_sof_dev *sdev, int core_idx, bool on) 621 { 622 struct sof_ipc4_dx_state_info dx_state; 623 struct sof_ipc4_msg msg; 624 625 dx_state.core_mask = BIT(core_idx); 626 if (on) 627 dx_state.dx_mask = BIT(core_idx); 628 else 629 dx_state.dx_mask = 0; 630 631 msg.primary = SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_SET_DX); 632 msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST); 633 msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG); 634 msg.extension = 0; 635 msg.data_ptr = &dx_state; 636 msg.data_size = sizeof(dx_state); 637 638 return sof_ipc4_tx_msg(sdev, &msg, msg.data_size, NULL, 0, false); 639 } 640 641 /* 642 * The context save callback is used to send a message to the firmware notifying 643 * it that the primary core is going to be turned off, which is used as an 644 * indication to prepare for a full power down, thus preparing for IMR boot 645 * (when supported) 646 * 647 * Note: in IPC4 there is no message used to restore context, thus no context 648 * restore callback is implemented 649 */ 650 static int sof_ipc4_ctx_save(struct snd_sof_dev *sdev) 651 { 652 return sof_ipc4_set_core_state(sdev, SOF_DSP_PRIMARY_CORE, false); 653 } 654 655 static const struct sof_ipc_pm_ops ipc4_pm_ops = { 656 .ctx_save = sof_ipc4_ctx_save, 657 .set_core_state = sof_ipc4_set_core_state, 658 }; 659 660 const struct sof_ipc_ops ipc4_ops = { 661 .tx_msg = sof_ipc4_tx_msg, 662 .rx_msg = sof_ipc4_rx_msg, 663 .set_get_data = sof_ipc4_set_get_data, 664 .get_reply = sof_ipc4_get_reply, 665 .pm = &ipc4_pm_ops, 666 .fw_loader = &ipc4_loader_ops, 667 .tplg = &ipc4_tplg_ops, 668 .pcm = &ipc4_pcm_ops, 669 .fw_tracing = &ipc4_mtrace_ops, 670 }; 671