xref: /openbmc/linux/sound/soc/sof/ipc4.c (revision 92d33063)
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 <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-priv.h"
17 #include "ops.h"
18 
19 #ifdef DEBUG_VERBOSE
20 #define sof_ipc4_dump_payload(sdev, ipc_data, size)			\
21 		print_hex_dump_debug("Message payload: ",		\
22 				     DUMP_PREFIX_OFFSET,		\
23 				     16, 4, ipc_data, size, false)
24 #else
25 #define sof_ipc4_dump_payload(sdev, ipc_data, size)	do { } while (0)
26 #endif
27 
28 static const struct sof_ipc4_fw_status {
29 	int status;
30 	char *msg;
31 } ipc4_status[] = {
32 	{0, "The operation was successful"},
33 	{1, "Invalid parameter specified"},
34 	{2, "Unknown message type specified"},
35 	{3, "Not enough space in the IPC reply buffer to complete the request"},
36 	{4, "The system or resource is busy"},
37 	{5, "Replaced ADSP IPC PENDING (unused)"},
38 	{6, "Unknown error while processing the request"},
39 	{7, "Unsupported operation requested"},
40 	{8, "Reserved (ADSP_STAGE_UNINITIALIZED removed)"},
41 	{9, "Specified resource not found"},
42 	{10, "A resource's ID requested to be created is already assigned"},
43 	{11, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"},
44 	{12, "Required resource is in invalid state"},
45 	{13, "Requested power transition failed to complete"},
46 	{14, "Manifest of the library being loaded is invalid"},
47 	{15, "Requested service or data is unavailable on the target platform"},
48 	{42, "Library target address is out of storage memory range"},
49 	{43, "Reserved"},
50 	{44, "Image verification by CSE failed"},
51 	{100, "General module management error"},
52 	{101, "Module loading failed"},
53 	{102, "Integrity check of the loaded module content failed"},
54 	{103, "Attempt to unload code of the module in use"},
55 	{104, "Other failure of module instance initialization request"},
56 	{105, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"},
57 	{106, "Reserved (ADSP_IPC_CONFIG_GET_ERROR removed)"},
58 	{107, "Reserved (ADSP_IPC_CONFIG_SET_ERROR removed)"},
59 	{108, "Reserved (ADSP_IPC_LARGE_CONFIG_GET_ERROR removed)"},
60 	{109, "Reserved (ADSP_IPC_LARGE_CONFIG_SET_ERROR removed)"},
61 	{110, "Invalid (out of range) module ID provided"},
62 	{111, "Invalid module instance ID provided"},
63 	{112, "Invalid queue (pin) ID provided"},
64 	{113, "Invalid destination queue (pin) ID provided"},
65 	{114, "Reserved (ADSP_IPC_BIND_UNBIND_DST_SINK_UNSUPPORTED removed)"},
66 	{115, "Reserved (ADSP_IPC_UNLOAD_INST_EXISTS removed)"},
67 	{116, "Invalid target code ID provided"},
68 	{117, "Injection DMA buffer is too small for probing the input pin"},
69 	{118, "Extraction DMA buffer is too small for probing the output pin"},
70 	{120, "Invalid ID of configuration item provided in TLV list"},
71 	{121, "Invalid length of configuration item provided in TLV list"},
72 	{122, "Invalid structure of configuration item provided"},
73 	{140, "Initialization of DMA Gateway failed"},
74 	{141, "Invalid ID of gateway provided"},
75 	{142, "Setting state of DMA Gateway failed"},
76 	{143, "DMA_CONTROL message targeting gateway not allocated yet"},
77 	{150, "Attempt to configure SCLK while I2S port is running"},
78 	{151, "Attempt to configure MCLK while I2S port is running"},
79 	{152, "Attempt to stop SCLK that is not running"},
80 	{153, "Attempt to stop MCLK that is not running"},
81 	{160, "Reserved (ADSP_IPC_PIPELINE_NOT_INITIALIZED removed)"},
82 	{161, "Reserved (ADSP_IPC_PIPELINE_NOT_EXIST removed)"},
83 	{162, "Reserved (ADSP_IPC_PIPELINE_SAVE_FAILED removed)"},
84 	{163, "Reserved (ADSP_IPC_PIPELINE_RESTORE_FAILED removed)"},
85 	{165, "Reserved (ADSP_IPC_PIPELINE_ALREADY_EXISTS removed)"},
86 };
87 
88 static int sof_ipc4_check_reply_status(struct snd_sof_dev *sdev, u32 status)
89 {
90 	int i, ret;
91 
92 	status &= SOF_IPC4_REPLY_STATUS;
93 
94 	if (!status)
95 		return 0;
96 
97 	for (i = 0; i < ARRAY_SIZE(ipc4_status); i++) {
98 		if (ipc4_status[i].status == status) {
99 			dev_err(sdev->dev, "FW reported error: %u - %s\n",
100 				status, ipc4_status[i].msg);
101 			goto to_errno;
102 		}
103 	}
104 
105 	if (i == ARRAY_SIZE(ipc4_status))
106 		dev_err(sdev->dev, "FW reported error: %u - Unknown\n", status);
107 
108 to_errno:
109 	switch (status) {
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_INTERNAL_MESSAGE),
165 	DBG_IPC4_MSG_TYPE_ENTRY(GLB_NOTIFICATION),
166 };
167 
168 #define DBG_IPC4_NOTIFICATION_TYPE_ENTRY(type)	[SOF_IPC4_NOTIFY_##type] = #type
169 static const char * const ipc4_dbg_notification_type[] = {
170 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PHRASE_DETECTED),
171 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(RESOURCE_EVENT),
172 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(LOG_BUFFER_STATUS),
173 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(TIMESTAMP_CAPTURED),
174 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_READY),
175 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_AUD_CLASS_RESULT),
176 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(EXCEPTION_CAUGHT),
177 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(MODULE_NOTIFICATION),
178 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PROBE_DATA_AVAILABLE),
179 	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(ASYNC_MSG_SRVC_MESSAGE),
180 };
181 
182 static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg,
183 				bool data_size_valid)
184 {
185 	u32 val, type;
186 	const u8 *str2 = NULL;
187 	const u8 *str = NULL;
188 
189 	val = msg->primary & SOF_IPC4_MSG_TARGET_MASK;
190 	type = SOF_IPC4_MSG_TYPE_GET(msg->primary);
191 
192 	if (val == SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG)) {
193 		/* Module message */
194 		if (type < SOF_IPC4_MOD_TYPE_LAST)
195 			str = ipc4_dbg_mod_msg_type[type];
196 		if (!str)
197 			str = "Unknown Module message type";
198 	} else {
199 		/* Global FW message */
200 		if (type < SOF_IPC4_GLB_TYPE_LAST)
201 			str = ipc4_dbg_glb_msg_type[type];
202 		if (!str)
203 			str = "Unknown Global message type";
204 
205 		if (type == SOF_IPC4_GLB_NOTIFICATION) {
206 			/* Notification message */
207 			u32 notif = SOF_IPC4_NOTIFICATION_TYPE_GET(msg->primary);
208 
209 			/* Do not print log buffer notification if not desired */
210 			if (notif == SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS &&
211 			    !sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS))
212 				return;
213 
214 			if (notif < SOF_IPC4_NOTIFY_TYPE_LAST)
215 				str2 = ipc4_dbg_notification_type[notif];
216 			if (!str2)
217 				str2 = "Unknown Global notification";
218 		}
219 	}
220 
221 	if (str2) {
222 		if (data_size_valid && msg->data_size)
223 			dev_dbg(dev, "%s: %#x|%#x: %s|%s [data size: %zu]\n",
224 				text, msg->primary, msg->extension, str, str2,
225 				msg->data_size);
226 		else
227 			dev_dbg(dev, "%s: %#x|%#x: %s|%s\n", text, msg->primary,
228 				msg->extension, str, str2);
229 	} else {
230 		if (data_size_valid && msg->data_size)
231 			dev_dbg(dev, "%s: %#x|%#x: %s [data size: %zu]\n",
232 				text, msg->primary, msg->extension, str,
233 				msg->data_size);
234 		else
235 			dev_dbg(dev, "%s: %#x|%#x: %s\n", text, msg->primary,
236 				msg->extension, str);
237 	}
238 }
239 #else /* CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC */
240 static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg,
241 				bool data_size_valid)
242 {
243 	/* Do not print log buffer notification if not desired */
244 	if (!sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS) &&
245 	    !SOF_IPC4_MSG_IS_MODULE_MSG(msg->primary) &&
246 	    SOF_IPC4_MSG_TYPE_GET(msg->primary) == SOF_IPC4_GLB_NOTIFICATION &&
247 	    SOF_IPC4_NOTIFICATION_TYPE_GET(msg->primary) == SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS)
248 		return;
249 
250 	if (data_size_valid && msg->data_size)
251 		dev_dbg(dev, "%s: %#x|%#x [data size: %zu]\n", text,
252 			msg->primary, msg->extension, msg->data_size);
253 	else
254 		dev_dbg(dev, "%s: %#x|%#x\n", text, msg->primary, msg->extension);
255 }
256 #endif
257 
258 static int sof_ipc4_get_reply(struct snd_sof_dev *sdev)
259 {
260 	struct snd_sof_ipc_msg *msg = sdev->msg;
261 	struct sof_ipc4_msg *ipc4_reply;
262 	int ret;
263 
264 	/* get the generic reply */
265 	ipc4_reply = msg->reply_data;
266 
267 	sof_ipc4_log_header(sdev->dev, "ipc tx reply", ipc4_reply, false);
268 
269 	ret = sof_ipc4_check_reply_status(sdev, ipc4_reply->primary);
270 	if (ret)
271 		return ret;
272 
273 	/* No other information is expected for non large config get replies */
274 	if (!msg->reply_size || !SOF_IPC4_MSG_IS_MODULE_MSG(ipc4_reply->primary) ||
275 	    (SOF_IPC4_MSG_TYPE_GET(ipc4_reply->primary) != SOF_IPC4_MOD_LARGE_CONFIG_GET))
276 		return 0;
277 
278 	/* Read the requested payload */
279 	snd_sof_dsp_mailbox_read(sdev, sdev->dsp_box.offset, ipc4_reply->data_ptr,
280 				 msg->reply_size);
281 
282 	return 0;
283 }
284 
285 /* wait for IPC message reply */
286 static int ipc4_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data)
287 {
288 	struct snd_sof_ipc_msg *msg = &ipc->msg;
289 	struct sof_ipc4_msg *ipc4_msg = msg->msg_data;
290 	struct snd_sof_dev *sdev = ipc->sdev;
291 	int ret;
292 
293 	/* wait for DSP IPC completion */
294 	ret = wait_event_timeout(msg->waitq, msg->ipc_complete,
295 				 msecs_to_jiffies(sdev->ipc_timeout));
296 	if (ret == 0) {
297 		dev_err(sdev->dev, "ipc timed out for %#x|%#x\n",
298 			ipc4_msg->primary, ipc4_msg->extension);
299 		snd_sof_handle_fw_exception(ipc->sdev, "IPC timeout");
300 		return -ETIMEDOUT;
301 	}
302 
303 	if (msg->reply_error) {
304 		dev_err(sdev->dev, "ipc error for msg %#x|%#x\n",
305 			ipc4_msg->primary, ipc4_msg->extension);
306 		ret =  msg->reply_error;
307 	} else {
308 		if (reply_data) {
309 			struct sof_ipc4_msg *ipc4_reply = msg->reply_data;
310 			struct sof_ipc4_msg *ipc4_reply_data = reply_data;
311 
312 			/* Copy the header */
313 			ipc4_reply_data->header_u64 = ipc4_reply->header_u64;
314 			if (msg->reply_size && ipc4_reply_data->data_ptr) {
315 				/* copy the payload returned from DSP */
316 				memcpy(ipc4_reply_data->data_ptr, ipc4_reply->data_ptr,
317 				       msg->reply_size);
318 				ipc4_reply_data->data_size = msg->reply_size;
319 			}
320 		}
321 
322 		ret = 0;
323 		sof_ipc4_log_header(sdev->dev, "ipc tx done ", ipc4_msg, true);
324 	}
325 
326 	/* re-enable dumps after successful IPC tx */
327 	if (sdev->ipc_dump_printed) {
328 		sdev->dbg_dump_printed = false;
329 		sdev->ipc_dump_printed = false;
330 	}
331 
332 	return ret;
333 }
334 
335 static int ipc4_tx_msg_unlocked(struct snd_sof_ipc *ipc,
336 				void *msg_data, size_t msg_bytes,
337 				void *reply_data, size_t reply_bytes)
338 {
339 	struct sof_ipc4_msg *ipc4_msg = msg_data;
340 	struct snd_sof_dev *sdev = ipc->sdev;
341 	int ret;
342 
343 	if (msg_bytes > ipc->max_payload_size || reply_bytes > ipc->max_payload_size)
344 		return -EINVAL;
345 
346 	sof_ipc4_log_header(sdev->dev, "ipc tx      ", msg_data, true);
347 
348 	ret = sof_ipc_send_msg(sdev, msg_data, msg_bytes, reply_bytes);
349 	if (ret) {
350 		dev_err_ratelimited(sdev->dev,
351 				    "%s: ipc message send for %#x|%#x failed: %d\n",
352 				    __func__, ipc4_msg->primary, ipc4_msg->extension, ret);
353 		return ret;
354 	}
355 
356 	/* now wait for completion */
357 	return ipc4_wait_tx_done(ipc, reply_data);
358 }
359 
360 static int sof_ipc4_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes,
361 			   void *reply_data, size_t reply_bytes, bool no_pm)
362 {
363 	struct snd_sof_ipc *ipc = sdev->ipc;
364 #ifdef DEBUG_VERBOSE
365 	struct sof_ipc4_msg *msg = NULL;
366 #endif
367 	int ret;
368 
369 	if (!msg_data)
370 		return -EINVAL;
371 
372 	/* Serialise IPC TX */
373 	mutex_lock(&ipc->tx_mutex);
374 
375 	ret = ipc4_tx_msg_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes);
376 
377 	mutex_unlock(&ipc->tx_mutex);
378 
379 #ifdef DEBUG_VERBOSE
380 	/* payload is indicated by non zero msg/reply_bytes */
381 	if (msg_bytes)
382 		msg = msg_data;
383 	else if (reply_bytes)
384 		msg = reply_data;
385 
386 	if (msg)
387 		sof_ipc4_dump_payload(sdev, msg->data_ptr, msg->data_size);
388 #endif
389 
390 	return ret;
391 }
392 
393 static int sof_ipc4_set_get_data(struct snd_sof_dev *sdev, void *data,
394 				 size_t payload_bytes, bool set)
395 {
396 	size_t payload_limit = sdev->ipc->max_payload_size;
397 	struct sof_ipc4_msg *ipc4_msg = data;
398 	struct sof_ipc4_msg tx = {{ 0 }};
399 	struct sof_ipc4_msg rx = {{ 0 }};
400 	size_t remaining = payload_bytes;
401 	size_t offset = 0;
402 	size_t chunk_size;
403 	int ret;
404 
405 	if (!data)
406 		return -EINVAL;
407 
408 	if ((ipc4_msg->primary & SOF_IPC4_MSG_TARGET_MASK) !=
409 	    SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG))
410 		return -EINVAL;
411 
412 	ipc4_msg->primary &= ~SOF_IPC4_MSG_TYPE_MASK;
413 	tx.primary = ipc4_msg->primary;
414 	tx.extension = ipc4_msg->extension;
415 
416 	if (set)
417 		tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_SET);
418 	else
419 		tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_GET);
420 
421 	tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
422 	tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(payload_bytes);
423 
424 	tx.extension |= SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK(1);
425 
426 	/* Serialise IPC TX */
427 	mutex_lock(&sdev->ipc->tx_mutex);
428 
429 	do {
430 		size_t tx_size, rx_size;
431 
432 		if (remaining > payload_limit) {
433 			chunk_size = payload_limit;
434 		} else {
435 			chunk_size = remaining;
436 			if (set)
437 				tx.extension |= SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK(1);
438 		}
439 
440 		if (offset) {
441 			tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK;
442 			tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
443 			tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(offset);
444 		}
445 
446 		if (set) {
447 			tx.data_size = chunk_size;
448 			tx.data_ptr = ipc4_msg->data_ptr + offset;
449 
450 			tx_size = chunk_size;
451 			rx_size = 0;
452 		} else {
453 			rx.primary = 0;
454 			rx.extension = 0;
455 			rx.data_size = chunk_size;
456 			rx.data_ptr = ipc4_msg->data_ptr + offset;
457 
458 			tx_size = 0;
459 			rx_size = chunk_size;
460 		}
461 
462 		/* Send the message for the current chunk */
463 		ret = ipc4_tx_msg_unlocked(sdev->ipc, &tx, tx_size, &rx, rx_size);
464 		if (ret < 0) {
465 			dev_err(sdev->dev,
466 				"%s: large config %s failed at offset %zu: %d\n",
467 				__func__, set ? "set" : "get", offset, ret);
468 			goto out;
469 		}
470 
471 		if (!set && rx.extension & SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK) {
472 			/* Verify the firmware reported total payload size */
473 			rx_size = rx.extension & SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
474 
475 			if (rx_size > payload_bytes) {
476 				dev_err(sdev->dev,
477 					"%s: Receive buffer (%zu) is too small for %zu\n",
478 					__func__, payload_bytes, rx_size);
479 				ret = -ENOMEM;
480 				goto out;
481 			}
482 
483 			if (rx_size < chunk_size) {
484 				chunk_size = rx_size;
485 				remaining = rx_size;
486 			} else if (rx_size < payload_bytes) {
487 				remaining = rx_size;
488 			}
489 		}
490 
491 		offset += chunk_size;
492 		remaining -= chunk_size;
493 	} while (remaining);
494 
495 	/* Adjust the received data size if needed */
496 	if (!set && payload_bytes != offset)
497 		ipc4_msg->data_size = offset;
498 
499 	sof_ipc4_dump_payload(sdev, ipc4_msg->data_ptr, ipc4_msg->data_size);
500 
501 out:
502 	mutex_unlock(&sdev->ipc->tx_mutex);
503 
504 	return ret;
505 }
506 
507 static int sof_ipc4_init_msg_memory(struct snd_sof_dev *sdev)
508 {
509 	struct sof_ipc4_msg *ipc4_msg;
510 	struct snd_sof_ipc_msg *msg = &sdev->ipc->msg;
511 
512 	/* TODO: get max_payload_size from firmware */
513 	sdev->ipc->max_payload_size = SOF_IPC4_MSG_MAX_SIZE;
514 
515 	/* Allocate memory for the ipc4 container and the maximum payload */
516 	msg->reply_data = devm_kzalloc(sdev->dev, sdev->ipc->max_payload_size +
517 				       sizeof(struct sof_ipc4_msg), GFP_KERNEL);
518 	if (!msg->reply_data)
519 		return -ENOMEM;
520 
521 	ipc4_msg = msg->reply_data;
522 	ipc4_msg->data_ptr = msg->reply_data + sizeof(struct sof_ipc4_msg);
523 
524 	return 0;
525 }
526 
527 static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg)
528 {
529 	int inbox_offset, inbox_size, outbox_offset, outbox_size;
530 
531 	/* no need to re-check version/ABI for subsequent boots */
532 	if (!sdev->first_boot)
533 		return 0;
534 
535 	/* Set up the windows for IPC communication */
536 	inbox_offset = snd_sof_dsp_get_mailbox_offset(sdev);
537 	if (inbox_offset < 0) {
538 		dev_err(sdev->dev, "%s: No mailbox offset\n", __func__);
539 		return inbox_offset;
540 	}
541 	inbox_size = SOF_IPC4_MSG_MAX_SIZE;
542 	outbox_offset = snd_sof_dsp_get_window_offset(sdev, SOF_IPC4_OUTBOX_WINDOW_IDX);
543 	outbox_size = SOF_IPC4_MSG_MAX_SIZE;
544 
545 	sdev->dsp_box.offset = inbox_offset;
546 	sdev->dsp_box.size = inbox_size;
547 	sdev->host_box.offset = outbox_offset;
548 	sdev->host_box.size = outbox_size;
549 
550 	sdev->debug_box.offset = snd_sof_dsp_get_window_offset(sdev,
551 							SOF_IPC4_DEBUG_WINDOW_IDX);
552 
553 	dev_dbg(sdev->dev, "mailbox upstream 0x%x - size 0x%x\n",
554 		inbox_offset, inbox_size);
555 	dev_dbg(sdev->dev, "mailbox downstream 0x%x - size 0x%x\n",
556 		outbox_offset, outbox_size);
557 	dev_dbg(sdev->dev, "debug box 0x%x\n", sdev->debug_box.offset);
558 
559 	return sof_ipc4_init_msg_memory(sdev);
560 }
561 
562 static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev)
563 {
564 	struct sof_ipc4_msg *ipc4_msg = sdev->ipc->msg.rx_data;
565 	size_t data_size = 0;
566 	int err;
567 
568 	if (!ipc4_msg || !SOF_IPC4_MSG_IS_NOTIFICATION(ipc4_msg->primary))
569 		return;
570 
571 	ipc4_msg->data_ptr = NULL;
572 	ipc4_msg->data_size = 0;
573 
574 	sof_ipc4_log_header(sdev->dev, "ipc rx      ", ipc4_msg, false);
575 
576 	switch (SOF_IPC4_NOTIFICATION_TYPE_GET(ipc4_msg->primary)) {
577 	case SOF_IPC4_NOTIFY_FW_READY:
578 		/* check for FW boot completion */
579 		if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) {
580 			err = ipc4_fw_ready(sdev, ipc4_msg);
581 			if (err < 0)
582 				sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED);
583 			else
584 				sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK);
585 
586 			/* wake up firmware loader */
587 			wake_up(&sdev->boot_wait);
588 		}
589 
590 		break;
591 	case SOF_IPC4_NOTIFY_RESOURCE_EVENT:
592 		data_size = sizeof(struct sof_ipc4_notify_resource_data);
593 		break;
594 	case SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS:
595 		sof_ipc4_mtrace_update_pos(sdev, SOF_IPC4_LOG_CORE_GET(ipc4_msg->primary));
596 		break;
597 	default:
598 		dev_dbg(sdev->dev, "Unhandled DSP message: %#x|%#x\n",
599 			ipc4_msg->primary, ipc4_msg->extension);
600 		break;
601 	}
602 
603 	if (data_size) {
604 		ipc4_msg->data_ptr = kmalloc(data_size, GFP_KERNEL);
605 		if (!ipc4_msg->data_ptr)
606 			return;
607 
608 		ipc4_msg->data_size = data_size;
609 		snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size);
610 	}
611 
612 	sof_ipc4_log_header(sdev->dev, "ipc rx done ", ipc4_msg, true);
613 
614 	if (data_size) {
615 		kfree(ipc4_msg->data_ptr);
616 		ipc4_msg->data_ptr = NULL;
617 		ipc4_msg->data_size = 0;
618 	}
619 }
620 
621 static int sof_ipc4_set_core_state(struct snd_sof_dev *sdev, int core_idx, bool on)
622 {
623 	struct sof_ipc4_dx_state_info dx_state;
624 	struct sof_ipc4_msg msg;
625 
626 	dx_state.core_mask = BIT(core_idx);
627 	if (on)
628 		dx_state.dx_mask = BIT(core_idx);
629 	else
630 		dx_state.dx_mask = 0;
631 
632 	msg.primary = SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_SET_DX);
633 	msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
634 	msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
635 	msg.extension = 0;
636 	msg.data_ptr = &dx_state;
637 	msg.data_size = sizeof(dx_state);
638 
639 	return sof_ipc4_tx_msg(sdev, &msg, msg.data_size, NULL, 0, false);
640 }
641 
642 /*
643  * The context save callback is used to send a message to the firmware notifying
644  * it that the primary core is going to be turned off, which is used as an
645  * indication to prepare for a full power down, thus preparing for IMR boot
646  * (when supported)
647  *
648  * Note: in IPC4 there is no message used to restore context, thus no context
649  * restore callback is implemented
650  */
651 static int sof_ipc4_ctx_save(struct snd_sof_dev *sdev)
652 {
653 	return sof_ipc4_set_core_state(sdev, SOF_DSP_PRIMARY_CORE, false);
654 }
655 
656 static const struct sof_ipc_pm_ops ipc4_pm_ops = {
657 	.ctx_save = sof_ipc4_ctx_save,
658 	.set_core_state = sof_ipc4_set_core_state,
659 };
660 
661 static int sof_ipc4_init(struct snd_sof_dev *sdev)
662 {
663 	struct sof_ipc4_fw_data *ipc4_data = sdev->private;
664 
665 	xa_init_flags(&ipc4_data->fw_lib_xa, XA_FLAGS_ALLOC);
666 
667 	return 0;
668 }
669 
670 static void sof_ipc4_exit(struct snd_sof_dev *sdev)
671 {
672 	struct sof_ipc4_fw_data *ipc4_data = sdev->private;
673 	struct sof_ipc4_fw_library *fw_lib;
674 	unsigned long lib_id;
675 
676 	xa_for_each(&ipc4_data->fw_lib_xa, lib_id, fw_lib) {
677 		/*
678 		 * The basefw (ID == 0) is handled by generic code, it is not
679 		 * loaded by IPC4 code.
680 		 */
681 		if (lib_id != 0)
682 			release_firmware(fw_lib->sof_fw.fw);
683 
684 		fw_lib->sof_fw.fw = NULL;
685 	}
686 
687 	xa_destroy(&ipc4_data->fw_lib_xa);
688 }
689 
690 static int sof_ipc4_post_boot(struct snd_sof_dev *sdev)
691 {
692 	if (sdev->first_boot)
693 		return sof_ipc4_query_fw_configuration(sdev);
694 
695 	return sof_ipc4_reload_fw_libraries(sdev);
696 }
697 
698 const struct sof_ipc_ops ipc4_ops = {
699 	.init = sof_ipc4_init,
700 	.exit = sof_ipc4_exit,
701 	.post_fw_boot = sof_ipc4_post_boot,
702 	.tx_msg = sof_ipc4_tx_msg,
703 	.rx_msg = sof_ipc4_rx_msg,
704 	.set_get_data = sof_ipc4_set_get_data,
705 	.get_reply = sof_ipc4_get_reply,
706 	.pm = &ipc4_pm_ops,
707 	.fw_loader = &ipc4_loader_ops,
708 	.tplg = &ipc4_tplg_ops,
709 	.pcm = &ipc4_pcm_ops,
710 	.fw_tracing = &ipc4_mtrace_ops,
711 };
712