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) 2021 Intel Corporation. All rights reserved. 7 // 8 // 9 10 #include <sound/sof/stream.h> 11 #include <sound/sof/control.h> 12 #include <trace/events/sof.h> 13 #include "sof-priv.h" 14 #include "sof-audio.h" 15 #include "ipc3-priv.h" 16 #include "ops.h" 17 18 typedef void (*ipc3_rx_callback)(struct snd_sof_dev *sdev, void *msg_buf); 19 20 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC) 21 static void ipc3_log_header(struct device *dev, u8 *text, u32 cmd) 22 { 23 u8 *str; 24 u8 *str2 = NULL; 25 u32 glb; 26 u32 type; 27 bool is_sof_ipc_stream_position = false; 28 29 glb = cmd & SOF_GLB_TYPE_MASK; 30 type = cmd & SOF_CMD_TYPE_MASK; 31 32 switch (glb) { 33 case SOF_IPC_GLB_REPLY: 34 str = "GLB_REPLY"; break; 35 case SOF_IPC_GLB_COMPOUND: 36 str = "GLB_COMPOUND"; break; 37 case SOF_IPC_GLB_TPLG_MSG: 38 str = "GLB_TPLG_MSG"; 39 switch (type) { 40 case SOF_IPC_TPLG_COMP_NEW: 41 str2 = "COMP_NEW"; break; 42 case SOF_IPC_TPLG_COMP_FREE: 43 str2 = "COMP_FREE"; break; 44 case SOF_IPC_TPLG_COMP_CONNECT: 45 str2 = "COMP_CONNECT"; break; 46 case SOF_IPC_TPLG_PIPE_NEW: 47 str2 = "PIPE_NEW"; break; 48 case SOF_IPC_TPLG_PIPE_FREE: 49 str2 = "PIPE_FREE"; break; 50 case SOF_IPC_TPLG_PIPE_CONNECT: 51 str2 = "PIPE_CONNECT"; break; 52 case SOF_IPC_TPLG_PIPE_COMPLETE: 53 str2 = "PIPE_COMPLETE"; break; 54 case SOF_IPC_TPLG_BUFFER_NEW: 55 str2 = "BUFFER_NEW"; break; 56 case SOF_IPC_TPLG_BUFFER_FREE: 57 str2 = "BUFFER_FREE"; break; 58 default: 59 str2 = "unknown type"; break; 60 } 61 break; 62 case SOF_IPC_GLB_PM_MSG: 63 str = "GLB_PM_MSG"; 64 switch (type) { 65 case SOF_IPC_PM_CTX_SAVE: 66 str2 = "CTX_SAVE"; break; 67 case SOF_IPC_PM_CTX_RESTORE: 68 str2 = "CTX_RESTORE"; break; 69 case SOF_IPC_PM_CTX_SIZE: 70 str2 = "CTX_SIZE"; break; 71 case SOF_IPC_PM_CLK_SET: 72 str2 = "CLK_SET"; break; 73 case SOF_IPC_PM_CLK_GET: 74 str2 = "CLK_GET"; break; 75 case SOF_IPC_PM_CLK_REQ: 76 str2 = "CLK_REQ"; break; 77 case SOF_IPC_PM_CORE_ENABLE: 78 str2 = "CORE_ENABLE"; break; 79 case SOF_IPC_PM_GATE: 80 str2 = "GATE"; break; 81 default: 82 str2 = "unknown type"; break; 83 } 84 break; 85 case SOF_IPC_GLB_COMP_MSG: 86 str = "GLB_COMP_MSG"; 87 switch (type) { 88 case SOF_IPC_COMP_SET_VALUE: 89 str2 = "SET_VALUE"; break; 90 case SOF_IPC_COMP_GET_VALUE: 91 str2 = "GET_VALUE"; break; 92 case SOF_IPC_COMP_SET_DATA: 93 str2 = "SET_DATA"; break; 94 case SOF_IPC_COMP_GET_DATA: 95 str2 = "GET_DATA"; break; 96 default: 97 str2 = "unknown type"; break; 98 } 99 break; 100 case SOF_IPC_GLB_STREAM_MSG: 101 str = "GLB_STREAM_MSG"; 102 switch (type) { 103 case SOF_IPC_STREAM_PCM_PARAMS: 104 str2 = "PCM_PARAMS"; break; 105 case SOF_IPC_STREAM_PCM_PARAMS_REPLY: 106 str2 = "PCM_REPLY"; break; 107 case SOF_IPC_STREAM_PCM_FREE: 108 str2 = "PCM_FREE"; break; 109 case SOF_IPC_STREAM_TRIG_START: 110 str2 = "TRIG_START"; break; 111 case SOF_IPC_STREAM_TRIG_STOP: 112 str2 = "TRIG_STOP"; break; 113 case SOF_IPC_STREAM_TRIG_PAUSE: 114 str2 = "TRIG_PAUSE"; break; 115 case SOF_IPC_STREAM_TRIG_RELEASE: 116 str2 = "TRIG_RELEASE"; break; 117 case SOF_IPC_STREAM_TRIG_DRAIN: 118 str2 = "TRIG_DRAIN"; break; 119 case SOF_IPC_STREAM_TRIG_XRUN: 120 str2 = "TRIG_XRUN"; break; 121 case SOF_IPC_STREAM_POSITION: 122 is_sof_ipc_stream_position = true; 123 str2 = "POSITION"; break; 124 case SOF_IPC_STREAM_VORBIS_PARAMS: 125 str2 = "VORBIS_PARAMS"; break; 126 case SOF_IPC_STREAM_VORBIS_FREE: 127 str2 = "VORBIS_FREE"; break; 128 default: 129 str2 = "unknown type"; break; 130 } 131 break; 132 case SOF_IPC_FW_READY: 133 str = "FW_READY"; break; 134 case SOF_IPC_GLB_DAI_MSG: 135 str = "GLB_DAI_MSG"; 136 switch (type) { 137 case SOF_IPC_DAI_CONFIG: 138 str2 = "CONFIG"; break; 139 case SOF_IPC_DAI_LOOPBACK: 140 str2 = "LOOPBACK"; break; 141 default: 142 str2 = "unknown type"; break; 143 } 144 break; 145 case SOF_IPC_GLB_TRACE_MSG: 146 str = "GLB_TRACE_MSG"; 147 switch (type) { 148 case SOF_IPC_TRACE_DMA_PARAMS: 149 str2 = "DMA_PARAMS"; break; 150 case SOF_IPC_TRACE_DMA_POSITION: 151 if (!sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS)) 152 return; 153 str2 = "DMA_POSITION"; break; 154 case SOF_IPC_TRACE_DMA_PARAMS_EXT: 155 str2 = "DMA_PARAMS_EXT"; break; 156 case SOF_IPC_TRACE_FILTER_UPDATE: 157 str2 = "FILTER_UPDATE"; break; 158 case SOF_IPC_TRACE_DMA_FREE: 159 str2 = "DMA_FREE"; break; 160 default: 161 str2 = "unknown type"; break; 162 } 163 break; 164 case SOF_IPC_GLB_TEST_MSG: 165 str = "GLB_TEST_MSG"; 166 switch (type) { 167 case SOF_IPC_TEST_IPC_FLOOD: 168 str2 = "IPC_FLOOD"; break; 169 default: 170 str2 = "unknown type"; break; 171 } 172 break; 173 case SOF_IPC_GLB_DEBUG: 174 str = "GLB_DEBUG"; 175 switch (type) { 176 case SOF_IPC_DEBUG_MEM_USAGE: 177 str2 = "MEM_USAGE"; break; 178 default: 179 str2 = "unknown type"; break; 180 } 181 break; 182 case SOF_IPC_GLB_PROBE: 183 str = "GLB_PROBE"; 184 switch (type) { 185 case SOF_IPC_PROBE_INIT: 186 str2 = "INIT"; break; 187 case SOF_IPC_PROBE_DEINIT: 188 str2 = "DEINIT"; break; 189 case SOF_IPC_PROBE_DMA_ADD: 190 str2 = "DMA_ADD"; break; 191 case SOF_IPC_PROBE_DMA_INFO: 192 str2 = "DMA_INFO"; break; 193 case SOF_IPC_PROBE_DMA_REMOVE: 194 str2 = "DMA_REMOVE"; break; 195 case SOF_IPC_PROBE_POINT_ADD: 196 str2 = "POINT_ADD"; break; 197 case SOF_IPC_PROBE_POINT_INFO: 198 str2 = "POINT_INFO"; break; 199 case SOF_IPC_PROBE_POINT_REMOVE: 200 str2 = "POINT_REMOVE"; break; 201 default: 202 str2 = "unknown type"; break; 203 } 204 break; 205 default: 206 str = "unknown GLB command"; break; 207 } 208 209 if (str2) { 210 if (is_sof_ipc_stream_position) 211 trace_sof_stream_position_ipc_rx(dev); 212 else 213 dev_dbg(dev, "%s: 0x%x: %s: %s\n", text, cmd, str, str2); 214 } else { 215 dev_dbg(dev, "%s: 0x%x: %s\n", text, cmd, str); 216 } 217 } 218 #else 219 static inline void ipc3_log_header(struct device *dev, u8 *text, u32 cmd) 220 { 221 if ((cmd & SOF_GLB_TYPE_MASK) != SOF_IPC_GLB_TRACE_MSG) 222 dev_dbg(dev, "%s: 0x%x\n", text, cmd); 223 } 224 #endif 225 226 static int sof_ipc3_get_reply(struct snd_sof_dev *sdev) 227 { 228 struct snd_sof_ipc_msg *msg = sdev->msg; 229 struct sof_ipc_reply *reply; 230 int ret = 0; 231 232 /* get the generic reply */ 233 reply = msg->reply_data; 234 snd_sof_dsp_mailbox_read(sdev, sdev->host_box.offset, reply, sizeof(*reply)); 235 236 if (reply->error < 0) 237 return reply->error; 238 239 if (!reply->hdr.size) { 240 /* Reply should always be >= sizeof(struct sof_ipc_reply) */ 241 if (msg->reply_size) 242 dev_err(sdev->dev, 243 "empty reply received, expected %zu bytes\n", 244 msg->reply_size); 245 else 246 dev_err(sdev->dev, "empty reply received\n"); 247 248 return -EINVAL; 249 } 250 251 if (msg->reply_size > 0) { 252 if (reply->hdr.size == msg->reply_size) { 253 ret = 0; 254 } else if (reply->hdr.size < msg->reply_size) { 255 dev_dbg(sdev->dev, 256 "reply size (%u) is less than expected (%zu)\n", 257 reply->hdr.size, msg->reply_size); 258 259 msg->reply_size = reply->hdr.size; 260 ret = 0; 261 } else { 262 dev_err(sdev->dev, 263 "reply size (%u) exceeds the buffer size (%zu)\n", 264 reply->hdr.size, msg->reply_size); 265 ret = -EINVAL; 266 } 267 268 /* 269 * get the full message if reply->hdr.size <= msg->reply_size 270 * and the reply->hdr.size > sizeof(struct sof_ipc_reply) 271 */ 272 if (!ret && msg->reply_size > sizeof(*reply)) 273 snd_sof_dsp_mailbox_read(sdev, sdev->host_box.offset, 274 msg->reply_data, msg->reply_size); 275 } 276 277 return ret; 278 } 279 280 /* wait for IPC message reply */ 281 static int ipc3_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data) 282 { 283 struct snd_sof_ipc_msg *msg = &ipc->msg; 284 struct sof_ipc_cmd_hdr *hdr = msg->msg_data; 285 struct snd_sof_dev *sdev = ipc->sdev; 286 int ret; 287 288 /* wait for DSP IPC completion */ 289 ret = wait_event_timeout(msg->waitq, msg->ipc_complete, 290 msecs_to_jiffies(sdev->ipc_timeout)); 291 292 if (ret == 0) { 293 dev_err(sdev->dev, 294 "ipc tx timed out for %#x (msg/reply size: %d/%zu)\n", 295 hdr->cmd, hdr->size, msg->reply_size); 296 snd_sof_handle_fw_exception(ipc->sdev, "IPC timeout"); 297 ret = -ETIMEDOUT; 298 } else { 299 ret = msg->reply_error; 300 if (ret < 0) { 301 dev_err(sdev->dev, 302 "ipc tx error for %#x (msg/reply size: %d/%zu): %d\n", 303 hdr->cmd, hdr->size, msg->reply_size, ret); 304 } else { 305 if (sof_debug_check_flag(SOF_DBG_PRINT_IPC_SUCCESS_LOGS)) 306 ipc3_log_header(sdev->dev, "ipc tx succeeded", hdr->cmd); 307 if (msg->reply_size) 308 /* copy the data returned from DSP */ 309 memcpy(reply_data, msg->reply_data, 310 msg->reply_size); 311 } 312 313 /* re-enable dumps after successful IPC tx */ 314 if (sdev->ipc_dump_printed) { 315 sdev->dbg_dump_printed = false; 316 sdev->ipc_dump_printed = false; 317 } 318 } 319 320 return ret; 321 } 322 323 /* send IPC message from host to DSP */ 324 static int ipc3_tx_msg_unlocked(struct snd_sof_ipc *ipc, 325 void *msg_data, size_t msg_bytes, 326 void *reply_data, size_t reply_bytes) 327 { 328 struct sof_ipc_cmd_hdr *hdr = msg_data; 329 struct snd_sof_dev *sdev = ipc->sdev; 330 int ret; 331 332 ipc3_log_header(sdev->dev, "ipc tx", hdr->cmd); 333 334 ret = sof_ipc_send_msg(sdev, msg_data, msg_bytes, reply_bytes); 335 336 if (ret) { 337 dev_err_ratelimited(sdev->dev, 338 "%s: ipc message send for %#x failed: %d\n", 339 __func__, hdr->cmd, ret); 340 return ret; 341 } 342 343 /* now wait for completion */ 344 return ipc3_wait_tx_done(ipc, reply_data); 345 } 346 347 static int sof_ipc3_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes, 348 void *reply_data, size_t reply_bytes, bool no_pm) 349 { 350 struct snd_sof_ipc *ipc = sdev->ipc; 351 int ret; 352 353 if (!msg_data || msg_bytes < sizeof(struct sof_ipc_cmd_hdr)) { 354 dev_err_ratelimited(sdev->dev, "No IPC message to send\n"); 355 return -EINVAL; 356 } 357 358 if (!no_pm) { 359 const struct sof_dsp_power_state target_state = { 360 .state = SOF_DSP_PM_D0, 361 }; 362 363 /* ensure the DSP is in D0 before sending a new IPC */ 364 ret = snd_sof_dsp_set_power_state(sdev, &target_state); 365 if (ret < 0) { 366 dev_err(sdev->dev, "%s: resuming DSP failed: %d\n", 367 __func__, ret); 368 return ret; 369 } 370 } 371 372 /* Serialise IPC TX */ 373 mutex_lock(&ipc->tx_mutex); 374 375 ret = ipc3_tx_msg_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes); 376 377 mutex_unlock(&ipc->tx_mutex); 378 379 return ret; 380 } 381 382 static int sof_ipc3_set_get_data(struct snd_sof_dev *sdev, void *data, size_t data_bytes, 383 bool set) 384 { 385 size_t msg_bytes, hdr_bytes, payload_size, send_bytes; 386 struct sof_ipc_ctrl_data *cdata = data; 387 struct sof_ipc_ctrl_data *cdata_chunk; 388 struct snd_sof_ipc *ipc = sdev->ipc; 389 size_t offset = 0; 390 u8 *src, *dst; 391 u32 num_msg; 392 int ret = 0; 393 int i; 394 395 if (!cdata || data_bytes < sizeof(*cdata)) 396 return -EINVAL; 397 398 if ((cdata->rhdr.hdr.cmd & SOF_GLB_TYPE_MASK) != SOF_IPC_GLB_COMP_MSG) { 399 dev_err(sdev->dev, "%s: Not supported message type of %#x\n", 400 __func__, cdata->rhdr.hdr.cmd); 401 return -EINVAL; 402 } 403 404 /* send normal size ipc in one part */ 405 if (cdata->rhdr.hdr.size <= ipc->max_payload_size) 406 return sof_ipc3_tx_msg(sdev, cdata, cdata->rhdr.hdr.size, 407 cdata, cdata->rhdr.hdr.size, false); 408 409 cdata_chunk = kzalloc(ipc->max_payload_size, GFP_KERNEL); 410 if (!cdata_chunk) 411 return -ENOMEM; 412 413 switch (cdata->type) { 414 case SOF_CTRL_TYPE_VALUE_CHAN_GET: 415 case SOF_CTRL_TYPE_VALUE_CHAN_SET: 416 hdr_bytes = sizeof(struct sof_ipc_ctrl_data); 417 if (set) { 418 src = (u8 *)cdata->chanv; 419 dst = (u8 *)cdata_chunk->chanv; 420 } else { 421 src = (u8 *)cdata_chunk->chanv; 422 dst = (u8 *)cdata->chanv; 423 } 424 break; 425 case SOF_CTRL_TYPE_DATA_GET: 426 case SOF_CTRL_TYPE_DATA_SET: 427 hdr_bytes = sizeof(struct sof_ipc_ctrl_data) + sizeof(struct sof_abi_hdr); 428 if (set) { 429 src = (u8 *)cdata->data->data; 430 dst = (u8 *)cdata_chunk->data->data; 431 } else { 432 src = (u8 *)cdata_chunk->data->data; 433 dst = (u8 *)cdata->data->data; 434 } 435 break; 436 default: 437 kfree(cdata_chunk); 438 return -EINVAL; 439 } 440 441 msg_bytes = cdata->rhdr.hdr.size - hdr_bytes; 442 payload_size = ipc->max_payload_size - hdr_bytes; 443 num_msg = DIV_ROUND_UP(msg_bytes, payload_size); 444 445 /* copy the header data */ 446 memcpy(cdata_chunk, cdata, hdr_bytes); 447 448 /* Serialise IPC TX */ 449 mutex_lock(&sdev->ipc->tx_mutex); 450 451 /* copy the payload data in a loop */ 452 for (i = 0; i < num_msg; i++) { 453 send_bytes = min(msg_bytes, payload_size); 454 cdata_chunk->num_elems = send_bytes; 455 cdata_chunk->rhdr.hdr.size = hdr_bytes + send_bytes; 456 cdata_chunk->msg_index = i; 457 msg_bytes -= send_bytes; 458 cdata_chunk->elems_remaining = msg_bytes; 459 460 if (set) 461 memcpy(dst, src + offset, send_bytes); 462 463 ret = ipc3_tx_msg_unlocked(sdev->ipc, 464 cdata_chunk, cdata_chunk->rhdr.hdr.size, 465 cdata_chunk, cdata_chunk->rhdr.hdr.size); 466 if (ret < 0) 467 break; 468 469 if (!set) 470 memcpy(dst + offset, src, send_bytes); 471 472 offset += payload_size; 473 } 474 475 mutex_unlock(&sdev->ipc->tx_mutex); 476 477 kfree(cdata_chunk); 478 479 return ret; 480 } 481 482 int sof_ipc3_get_ext_windows(struct snd_sof_dev *sdev, 483 const struct sof_ipc_ext_data_hdr *ext_hdr) 484 { 485 const struct sof_ipc_window *w = 486 container_of(ext_hdr, struct sof_ipc_window, ext_hdr); 487 488 if (w->num_windows == 0 || w->num_windows > SOF_IPC_MAX_ELEMS) 489 return -EINVAL; 490 491 if (sdev->info_window) { 492 if (memcmp(sdev->info_window, w, ext_hdr->hdr.size)) { 493 dev_err(sdev->dev, "mismatch between window descriptor from extended manifest and mailbox"); 494 return -EINVAL; 495 } 496 return 0; 497 } 498 499 /* keep a local copy of the data */ 500 sdev->info_window = devm_kmemdup(sdev->dev, w, ext_hdr->hdr.size, GFP_KERNEL); 501 if (!sdev->info_window) 502 return -ENOMEM; 503 504 return 0; 505 } 506 507 int sof_ipc3_get_cc_info(struct snd_sof_dev *sdev, 508 const struct sof_ipc_ext_data_hdr *ext_hdr) 509 { 510 int ret; 511 512 const struct sof_ipc_cc_version *cc = 513 container_of(ext_hdr, struct sof_ipc_cc_version, ext_hdr); 514 515 if (sdev->cc_version) { 516 if (memcmp(sdev->cc_version, cc, cc->ext_hdr.hdr.size)) { 517 dev_err(sdev->dev, 518 "Receive diverged cc_version descriptions"); 519 return -EINVAL; 520 } 521 return 0; 522 } 523 524 dev_dbg(sdev->dev, 525 "Firmware info: used compiler %s %d:%d:%d%s used optimization flags %s\n", 526 cc->name, cc->major, cc->minor, cc->micro, cc->desc, cc->optim); 527 528 /* create read-only cc_version debugfs to store compiler version info */ 529 /* use local copy of the cc_version to prevent data corruption */ 530 if (sdev->first_boot) { 531 sdev->cc_version = devm_kmalloc(sdev->dev, cc->ext_hdr.hdr.size, 532 GFP_KERNEL); 533 534 if (!sdev->cc_version) 535 return -ENOMEM; 536 537 memcpy(sdev->cc_version, cc, cc->ext_hdr.hdr.size); 538 ret = snd_sof_debugfs_buf_item(sdev, sdev->cc_version, 539 cc->ext_hdr.hdr.size, 540 "cc_version", 0444); 541 542 /* errors are only due to memory allocation, not debugfs */ 543 if (ret < 0) { 544 dev_err(sdev->dev, "snd_sof_debugfs_buf_item failed\n"); 545 return ret; 546 } 547 } 548 549 return 0; 550 } 551 552 /* parse the extended FW boot data structures from FW boot message */ 553 static int ipc3_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 offset) 554 { 555 struct sof_ipc_ext_data_hdr *ext_hdr; 556 void *ext_data; 557 int ret = 0; 558 559 ext_data = kzalloc(PAGE_SIZE, GFP_KERNEL); 560 if (!ext_data) 561 return -ENOMEM; 562 563 /* get first header */ 564 snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset, ext_data, 565 sizeof(*ext_hdr)); 566 ext_hdr = ext_data; 567 568 while (ext_hdr->hdr.cmd == SOF_IPC_FW_READY) { 569 /* read in ext structure */ 570 snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, 571 offset + sizeof(*ext_hdr), 572 (void *)((u8 *)ext_data + sizeof(*ext_hdr)), 573 ext_hdr->hdr.size - sizeof(*ext_hdr)); 574 575 dev_dbg(sdev->dev, "found ext header type %d size 0x%x\n", 576 ext_hdr->type, ext_hdr->hdr.size); 577 578 /* process structure data */ 579 switch (ext_hdr->type) { 580 case SOF_IPC_EXT_WINDOW: 581 ret = sof_ipc3_get_ext_windows(sdev, ext_hdr); 582 break; 583 case SOF_IPC_EXT_CC_INFO: 584 ret = sof_ipc3_get_cc_info(sdev, ext_hdr); 585 break; 586 case SOF_IPC_EXT_UNUSED: 587 case SOF_IPC_EXT_PROBE_INFO: 588 case SOF_IPC_EXT_USER_ABI_INFO: 589 /* They are supported but we don't do anything here */ 590 break; 591 default: 592 dev_info(sdev->dev, "unknown ext header type %d size 0x%x\n", 593 ext_hdr->type, ext_hdr->hdr.size); 594 ret = 0; 595 break; 596 } 597 598 if (ret < 0) { 599 dev_err(sdev->dev, "Failed to parse ext data type %d\n", 600 ext_hdr->type); 601 break; 602 } 603 604 /* move to next header */ 605 offset += ext_hdr->hdr.size; 606 snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset, ext_data, 607 sizeof(*ext_hdr)); 608 ext_hdr = ext_data; 609 } 610 611 kfree(ext_data); 612 return ret; 613 } 614 615 static void ipc3_get_windows(struct snd_sof_dev *sdev) 616 { 617 struct sof_ipc_window_elem *elem; 618 u32 outbox_offset = 0; 619 u32 stream_offset = 0; 620 u32 inbox_offset = 0; 621 u32 outbox_size = 0; 622 u32 stream_size = 0; 623 u32 inbox_size = 0; 624 u32 debug_size = 0; 625 u32 debug_offset = 0; 626 int window_offset; 627 int i; 628 629 if (!sdev->info_window) { 630 dev_err(sdev->dev, "%s: No window info present\n", __func__); 631 return; 632 } 633 634 for (i = 0; i < sdev->info_window->num_windows; i++) { 635 elem = &sdev->info_window->window[i]; 636 637 window_offset = snd_sof_dsp_get_window_offset(sdev, elem->id); 638 if (window_offset < 0) { 639 dev_warn(sdev->dev, "No offset for window %d\n", elem->id); 640 continue; 641 } 642 643 switch (elem->type) { 644 case SOF_IPC_REGION_UPBOX: 645 inbox_offset = window_offset + elem->offset; 646 inbox_size = elem->size; 647 snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, 648 inbox_offset, 649 elem->size, "inbox", 650 SOF_DEBUGFS_ACCESS_D0_ONLY); 651 break; 652 case SOF_IPC_REGION_DOWNBOX: 653 outbox_offset = window_offset + elem->offset; 654 outbox_size = elem->size; 655 snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, 656 outbox_offset, 657 elem->size, "outbox", 658 SOF_DEBUGFS_ACCESS_D0_ONLY); 659 break; 660 case SOF_IPC_REGION_TRACE: 661 snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, 662 window_offset + elem->offset, 663 elem->size, "etrace", 664 SOF_DEBUGFS_ACCESS_D0_ONLY); 665 break; 666 case SOF_IPC_REGION_DEBUG: 667 debug_offset = window_offset + elem->offset; 668 debug_size = elem->size; 669 snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, 670 window_offset + elem->offset, 671 elem->size, "debug", 672 SOF_DEBUGFS_ACCESS_D0_ONLY); 673 break; 674 case SOF_IPC_REGION_STREAM: 675 stream_offset = window_offset + elem->offset; 676 stream_size = elem->size; 677 snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, 678 stream_offset, 679 elem->size, "stream", 680 SOF_DEBUGFS_ACCESS_D0_ONLY); 681 break; 682 case SOF_IPC_REGION_REGS: 683 snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, 684 window_offset + elem->offset, 685 elem->size, "regs", 686 SOF_DEBUGFS_ACCESS_D0_ONLY); 687 break; 688 case SOF_IPC_REGION_EXCEPTION: 689 sdev->dsp_oops_offset = window_offset + elem->offset; 690 snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM, 691 window_offset + elem->offset, 692 elem->size, "exception", 693 SOF_DEBUGFS_ACCESS_D0_ONLY); 694 break; 695 default: 696 dev_err(sdev->dev, "%s: Illegal window info: %u\n", 697 __func__, elem->type); 698 return; 699 } 700 } 701 702 if (outbox_size == 0 || inbox_size == 0) { 703 dev_err(sdev->dev, "%s: Illegal mailbox window\n", __func__); 704 return; 705 } 706 707 sdev->dsp_box.offset = inbox_offset; 708 sdev->dsp_box.size = inbox_size; 709 710 sdev->host_box.offset = outbox_offset; 711 sdev->host_box.size = outbox_size; 712 713 sdev->stream_box.offset = stream_offset; 714 sdev->stream_box.size = stream_size; 715 716 sdev->debug_box.offset = debug_offset; 717 sdev->debug_box.size = debug_size; 718 719 dev_dbg(sdev->dev, " mailbox upstream 0x%x - size 0x%x\n", 720 inbox_offset, inbox_size); 721 dev_dbg(sdev->dev, " mailbox downstream 0x%x - size 0x%x\n", 722 outbox_offset, outbox_size); 723 dev_dbg(sdev->dev, " stream region 0x%x - size 0x%x\n", 724 stream_offset, stream_size); 725 dev_dbg(sdev->dev, " debug region 0x%x - size 0x%x\n", 726 debug_offset, debug_size); 727 } 728 729 static int ipc3_init_reply_data_buffer(struct snd_sof_dev *sdev) 730 { 731 struct snd_sof_ipc_msg *msg = &sdev->ipc->msg; 732 733 msg->reply_data = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL); 734 if (!msg->reply_data) 735 return -ENOMEM; 736 737 sdev->ipc->max_payload_size = SOF_IPC_MSG_MAX_SIZE; 738 739 return 0; 740 } 741 742 int sof_ipc3_validate_fw_version(struct snd_sof_dev *sdev) 743 { 744 struct sof_ipc_fw_ready *ready = &sdev->fw_ready; 745 struct sof_ipc_fw_version *v = &ready->version; 746 747 dev_info(sdev->dev, 748 "Firmware info: version %d:%d:%d-%s\n", v->major, v->minor, 749 v->micro, v->tag); 750 dev_info(sdev->dev, 751 "Firmware: ABI %d:%d:%d Kernel ABI %d:%d:%d\n", 752 SOF_ABI_VERSION_MAJOR(v->abi_version), 753 SOF_ABI_VERSION_MINOR(v->abi_version), 754 SOF_ABI_VERSION_PATCH(v->abi_version), 755 SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_PATCH); 756 757 if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, v->abi_version)) { 758 dev_err(sdev->dev, "incompatible FW ABI version\n"); 759 return -EINVAL; 760 } 761 762 if (IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS) && 763 SOF_ABI_VERSION_MINOR(v->abi_version) > SOF_ABI_MINOR) { 764 dev_err(sdev->dev, "FW ABI is more recent than kernel\n"); 765 return -EINVAL; 766 } 767 768 if (ready->flags & SOF_IPC_INFO_BUILD) { 769 dev_info(sdev->dev, 770 "Firmware debug build %d on %s-%s - options:\n" 771 " GDB: %s\n" 772 " lock debug: %s\n" 773 " lock vdebug: %s\n", 774 v->build, v->date, v->time, 775 (ready->flags & SOF_IPC_INFO_GDB) ? 776 "enabled" : "disabled", 777 (ready->flags & SOF_IPC_INFO_LOCKS) ? 778 "enabled" : "disabled", 779 (ready->flags & SOF_IPC_INFO_LOCKSV) ? 780 "enabled" : "disabled"); 781 } 782 783 /* copy the fw_version into debugfs at first boot */ 784 memcpy(&sdev->fw_version, v, sizeof(*v)); 785 786 return 0; 787 } 788 789 static int ipc3_fw_ready(struct snd_sof_dev *sdev, u32 cmd) 790 { 791 struct sof_ipc_fw_ready *fw_ready = &sdev->fw_ready; 792 int offset; 793 int ret; 794 795 /* mailbox must be on 4k boundary */ 796 offset = snd_sof_dsp_get_mailbox_offset(sdev); 797 if (offset < 0) { 798 dev_err(sdev->dev, "%s: no mailbox offset\n", __func__); 799 return offset; 800 } 801 802 dev_dbg(sdev->dev, "DSP is ready 0x%8.8x offset 0x%x\n", cmd, offset); 803 804 /* no need to re-check version/ABI for subsequent boots */ 805 if (!sdev->first_boot) 806 return 0; 807 808 /* 809 * copy data from the DSP FW ready offset 810 * Subsequent error handling is not needed for BLK_TYPE_SRAM 811 */ 812 ret = snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset, fw_ready, 813 sizeof(*fw_ready)); 814 if (ret) { 815 dev_err(sdev->dev, 816 "Unable to read fw_ready, read from TYPE_SRAM failed\n"); 817 return ret; 818 } 819 820 /* make sure ABI version is compatible */ 821 ret = sof_ipc3_validate_fw_version(sdev); 822 if (ret < 0) 823 return ret; 824 825 /* now check for extended data */ 826 ipc3_fw_parse_ext_data(sdev, offset + sizeof(struct sof_ipc_fw_ready)); 827 828 ipc3_get_windows(sdev); 829 830 return ipc3_init_reply_data_buffer(sdev); 831 } 832 833 /* IPC stream position. */ 834 static void ipc3_period_elapsed(struct snd_sof_dev *sdev, u32 msg_id) 835 { 836 struct snd_soc_component *scomp = sdev->component; 837 struct snd_sof_pcm_stream *stream; 838 struct sof_ipc_stream_posn posn; 839 struct snd_sof_pcm *spcm; 840 int direction, ret; 841 842 spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction); 843 if (!spcm) { 844 dev_err(sdev->dev, "period elapsed for unknown stream, msg_id %d\n", 845 msg_id); 846 return; 847 } 848 849 stream = &spcm->stream[direction]; 850 ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn)); 851 if (ret < 0) { 852 dev_warn(sdev->dev, "failed to read stream position: %d\n", ret); 853 return; 854 } 855 856 trace_sof_ipc3_period_elapsed_position(sdev, &posn); 857 858 memcpy(&stream->posn, &posn, sizeof(posn)); 859 860 if (spcm->pcm.compress) 861 snd_sof_compr_fragment_elapsed(stream->cstream); 862 else if (stream->substream->runtime && 863 !stream->substream->runtime->no_period_wakeup) 864 /* only inform ALSA for period_wakeup mode */ 865 snd_sof_pcm_period_elapsed(stream->substream); 866 } 867 868 /* DSP notifies host of an XRUN within FW */ 869 static void ipc3_xrun(struct snd_sof_dev *sdev, u32 msg_id) 870 { 871 struct snd_soc_component *scomp = sdev->component; 872 struct snd_sof_pcm_stream *stream; 873 struct sof_ipc_stream_posn posn; 874 struct snd_sof_pcm *spcm; 875 int direction, ret; 876 877 spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction); 878 if (!spcm) { 879 dev_err(sdev->dev, "XRUN for unknown stream, msg_id %d\n", 880 msg_id); 881 return; 882 } 883 884 stream = &spcm->stream[direction]; 885 ret = snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn)); 886 if (ret < 0) { 887 dev_warn(sdev->dev, "failed to read overrun position: %d\n", ret); 888 return; 889 } 890 891 dev_dbg(sdev->dev, "posn XRUN: host %llx comp %d size %d\n", 892 posn.host_posn, posn.xrun_comp_id, posn.xrun_size); 893 894 #if defined(CONFIG_SND_SOC_SOF_DEBUG_XRUN_STOP) 895 /* stop PCM on XRUN - used for pipeline debug */ 896 memcpy(&stream->posn, &posn, sizeof(posn)); 897 snd_pcm_stop_xrun(stream->substream); 898 #endif 899 } 900 901 /* stream notifications from firmware */ 902 static void ipc3_stream_message(struct snd_sof_dev *sdev, void *msg_buf) 903 { 904 struct sof_ipc_cmd_hdr *hdr = msg_buf; 905 u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK; 906 u32 msg_id = SOF_IPC_MESSAGE_ID(hdr->cmd); 907 908 switch (msg_type) { 909 case SOF_IPC_STREAM_POSITION: 910 ipc3_period_elapsed(sdev, msg_id); 911 break; 912 case SOF_IPC_STREAM_TRIG_XRUN: 913 ipc3_xrun(sdev, msg_id); 914 break; 915 default: 916 dev_err(sdev->dev, "unhandled stream message %#x\n", 917 msg_id); 918 break; 919 } 920 } 921 922 /* component notifications from firmware */ 923 static void ipc3_comp_notification(struct snd_sof_dev *sdev, void *msg_buf) 924 { 925 const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg; 926 struct sof_ipc_cmd_hdr *hdr = msg_buf; 927 u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK; 928 929 switch (msg_type) { 930 case SOF_IPC_COMP_GET_VALUE: 931 case SOF_IPC_COMP_GET_DATA: 932 break; 933 default: 934 dev_err(sdev->dev, "unhandled component message %#x\n", msg_type); 935 return; 936 } 937 938 if (tplg_ops->control->update) 939 tplg_ops->control->update(sdev, msg_buf); 940 } 941 942 static void ipc3_trace_message(struct snd_sof_dev *sdev, void *msg_buf) 943 { 944 struct sof_ipc_cmd_hdr *hdr = msg_buf; 945 u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK; 946 947 switch (msg_type) { 948 case SOF_IPC_TRACE_DMA_POSITION: 949 ipc3_dtrace_posn_update(sdev, msg_buf); 950 break; 951 default: 952 dev_err(sdev->dev, "unhandled trace message %#x\n", msg_type); 953 break; 954 } 955 } 956 957 /* DSP firmware has sent host a message */ 958 static void sof_ipc3_rx_msg(struct snd_sof_dev *sdev) 959 { 960 ipc3_rx_callback rx_callback = NULL; 961 struct sof_ipc_cmd_hdr hdr; 962 void *msg_buf; 963 u32 cmd; 964 int err; 965 966 /* read back header */ 967 err = snd_sof_ipc_msg_data(sdev, NULL, &hdr, sizeof(hdr)); 968 if (err < 0) { 969 dev_warn(sdev->dev, "failed to read IPC header: %d\n", err); 970 return; 971 } 972 973 if (hdr.size < sizeof(hdr)) { 974 dev_err(sdev->dev, "The received message size is invalid\n"); 975 return; 976 } 977 978 ipc3_log_header(sdev->dev, "ipc rx", hdr.cmd); 979 980 cmd = hdr.cmd & SOF_GLB_TYPE_MASK; 981 982 /* check message type */ 983 switch (cmd) { 984 case SOF_IPC_GLB_REPLY: 985 dev_err(sdev->dev, "ipc reply unknown\n"); 986 break; 987 case SOF_IPC_FW_READY: 988 /* check for FW boot completion */ 989 if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) { 990 err = ipc3_fw_ready(sdev, cmd); 991 if (err < 0) 992 sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED); 993 else 994 sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK); 995 996 /* wake up firmware loader */ 997 wake_up(&sdev->boot_wait); 998 } 999 break; 1000 case SOF_IPC_GLB_COMPOUND: 1001 case SOF_IPC_GLB_TPLG_MSG: 1002 case SOF_IPC_GLB_PM_MSG: 1003 break; 1004 case SOF_IPC_GLB_COMP_MSG: 1005 rx_callback = ipc3_comp_notification; 1006 break; 1007 case SOF_IPC_GLB_STREAM_MSG: 1008 rx_callback = ipc3_stream_message; 1009 break; 1010 case SOF_IPC_GLB_TRACE_MSG: 1011 rx_callback = ipc3_trace_message; 1012 break; 1013 default: 1014 dev_err(sdev->dev, "%s: Unknown DSP message: 0x%x\n", __func__, cmd); 1015 break; 1016 } 1017 1018 /* read the full message */ 1019 msg_buf = kmalloc(hdr.size, GFP_KERNEL); 1020 if (!msg_buf) 1021 return; 1022 1023 err = snd_sof_ipc_msg_data(sdev, NULL, msg_buf, hdr.size); 1024 if (err < 0) { 1025 dev_err(sdev->dev, "%s: Failed to read message: %d\n", __func__, err); 1026 } else { 1027 /* Call local handler for the message */ 1028 if (rx_callback) 1029 rx_callback(sdev, msg_buf); 1030 1031 /* Notify registered clients */ 1032 sof_client_ipc_rx_dispatcher(sdev, msg_buf); 1033 } 1034 1035 kfree(msg_buf); 1036 1037 ipc3_log_header(sdev->dev, "ipc rx done", hdr.cmd); 1038 } 1039 1040 static int sof_ipc3_set_core_state(struct snd_sof_dev *sdev, int core_idx, bool on) 1041 { 1042 struct sof_ipc_pm_core_config core_cfg = { 1043 .hdr.size = sizeof(core_cfg), 1044 .hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE, 1045 }; 1046 struct sof_ipc_reply reply; 1047 1048 if (on) 1049 core_cfg.enable_mask = sdev->enabled_cores_mask | BIT(core_idx); 1050 else 1051 core_cfg.enable_mask = sdev->enabled_cores_mask & ~BIT(core_idx); 1052 1053 return sof_ipc3_tx_msg(sdev, &core_cfg, sizeof(core_cfg), 1054 &reply, sizeof(reply), false); 1055 } 1056 1057 static int sof_ipc3_ctx_ipc(struct snd_sof_dev *sdev, int cmd) 1058 { 1059 struct sof_ipc_pm_ctx pm_ctx = { 1060 .hdr.size = sizeof(pm_ctx), 1061 .hdr.cmd = SOF_IPC_GLB_PM_MSG | cmd, 1062 }; 1063 struct sof_ipc_reply reply; 1064 1065 /* send ctx save ipc to dsp */ 1066 return sof_ipc3_tx_msg(sdev, &pm_ctx, sizeof(pm_ctx), 1067 &reply, sizeof(reply), false); 1068 } 1069 1070 static int sof_ipc3_ctx_save(struct snd_sof_dev *sdev) 1071 { 1072 return sof_ipc3_ctx_ipc(sdev, SOF_IPC_PM_CTX_SAVE); 1073 } 1074 1075 static int sof_ipc3_ctx_restore(struct snd_sof_dev *sdev) 1076 { 1077 return sof_ipc3_ctx_ipc(sdev, SOF_IPC_PM_CTX_RESTORE); 1078 } 1079 1080 static const struct sof_ipc_pm_ops ipc3_pm_ops = { 1081 .ctx_save = sof_ipc3_ctx_save, 1082 .ctx_restore = sof_ipc3_ctx_restore, 1083 .set_core_state = sof_ipc3_set_core_state, 1084 }; 1085 1086 const struct sof_ipc_ops ipc3_ops = { 1087 .tplg = &ipc3_tplg_ops, 1088 .pm = &ipc3_pm_ops, 1089 .pcm = &ipc3_pcm_ops, 1090 .fw_loader = &ipc3_loader_ops, 1091 .fw_tracing = &ipc3_dtrace_ops, 1092 1093 .tx_msg = sof_ipc3_tx_msg, 1094 .rx_msg = sof_ipc3_rx_msg, 1095 .set_get_data = sof_ipc3_set_get_data, 1096 .get_reply = sof_ipc3_get_reply, 1097 }; 1098