xref: /openbmc/linux/sound/soc/sof/ipc4.c (revision e6e8c6c2)
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 			if (notif < SOF_IPC4_NOTIFY_TYPE_LAST)
209 				str2 = ipc4_dbg_notification_type[notif];
210 			if (!str2)
211 				str2 = "Unknown Global notification";
212 		}
213 	}
214 
215 	if (str2) {
216 		if (data_size_valid && msg->data_size)
217 			dev_dbg(dev, "%s: %#x|%#x: %s|%s [data size: %zu]\n",
218 				text, msg->primary, msg->extension, str, str2,
219 				msg->data_size);
220 		else
221 			dev_dbg(dev, "%s: %#x|%#x: %s|%s\n", text, msg->primary,
222 				msg->extension, str, str2);
223 	} else {
224 		if (data_size_valid && msg->data_size)
225 			dev_dbg(dev, "%s: %#x|%#x: %s [data size: %zu]\n",
226 				text, msg->primary, msg->extension, str,
227 				msg->data_size);
228 		else
229 			dev_dbg(dev, "%s: %#x|%#x: %s\n", text, msg->primary,
230 				msg->extension, str);
231 	}
232 }
233 #else /* CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC */
234 static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg,
235 				bool data_size_valid)
236 {
237 	if (data_size_valid && msg->data_size)
238 		dev_dbg(dev, "%s: %#x|%#x [data size: %zu]\n", text,
239 			msg->primary, msg->extension, msg->data_size);
240 	else
241 		dev_dbg(dev, "%s: %#x|%#x\n", text, msg->primary, msg->extension);
242 }
243 #endif
244 
245 static int sof_ipc4_get_reply(struct snd_sof_dev *sdev)
246 {
247 	struct snd_sof_ipc_msg *msg = sdev->msg;
248 	struct sof_ipc4_msg *ipc4_reply;
249 	int ret;
250 
251 	/* get the generic reply */
252 	ipc4_reply = msg->reply_data;
253 
254 	sof_ipc4_log_header(sdev->dev, "ipc tx reply", ipc4_reply, false);
255 
256 	ret = sof_ipc4_check_reply_status(sdev, ipc4_reply->primary);
257 	if (ret)
258 		return ret;
259 
260 	/* No other information is expected for non large config get replies */
261 	if (!msg->reply_size || !SOF_IPC4_MSG_IS_MODULE_MSG(ipc4_reply->primary) ||
262 	    (SOF_IPC4_MSG_TYPE_GET(ipc4_reply->primary) != SOF_IPC4_MOD_LARGE_CONFIG_GET))
263 		return 0;
264 
265 	/* Read the requested payload */
266 	snd_sof_dsp_mailbox_read(sdev, sdev->dsp_box.offset, ipc4_reply->data_ptr,
267 				 msg->reply_size);
268 
269 	return 0;
270 }
271 
272 /* wait for IPC message reply */
273 static int ipc4_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data)
274 {
275 	struct snd_sof_ipc_msg *msg = &ipc->msg;
276 	struct sof_ipc4_msg *ipc4_msg = msg->msg_data;
277 	struct snd_sof_dev *sdev = ipc->sdev;
278 	int ret;
279 
280 	/* wait for DSP IPC completion */
281 	ret = wait_event_timeout(msg->waitq, msg->ipc_complete,
282 				 msecs_to_jiffies(sdev->ipc_timeout));
283 	if (ret == 0) {
284 		dev_err(sdev->dev, "ipc timed out for %#x|%#x\n",
285 			ipc4_msg->primary, ipc4_msg->extension);
286 		return -ETIMEDOUT;
287 	}
288 
289 	if (msg->reply_error) {
290 		dev_err(sdev->dev, "ipc error for msg %#x|%#x\n",
291 			ipc4_msg->primary, ipc4_msg->extension);
292 		ret =  msg->reply_error;
293 	} else {
294 		if (reply_data) {
295 			struct sof_ipc4_msg *ipc4_reply = msg->reply_data;
296 			struct sof_ipc4_msg *ipc4_reply_data = reply_data;
297 
298 			/* Copy the header */
299 			ipc4_reply_data->header_u64 = ipc4_reply->header_u64;
300 			if (msg->reply_size && ipc4_reply_data->data_ptr) {
301 				/* copy the payload returned from DSP */
302 				memcpy(ipc4_reply_data->data_ptr, ipc4_reply->data_ptr,
303 				       msg->reply_size);
304 				ipc4_reply_data->data_size = msg->reply_size;
305 			}
306 		}
307 
308 		ret = 0;
309 		sof_ipc4_log_header(sdev->dev, "ipc tx done ", ipc4_msg, true);
310 	}
311 
312 	/* re-enable dumps after successful IPC tx */
313 	if (sdev->ipc_dump_printed) {
314 		sdev->dbg_dump_printed = false;
315 		sdev->ipc_dump_printed = false;
316 	}
317 
318 	return ret;
319 }
320 
321 static int ipc4_tx_msg_unlocked(struct snd_sof_ipc *ipc,
322 				void *msg_data, size_t msg_bytes,
323 				void *reply_data, size_t reply_bytes)
324 {
325 	struct sof_ipc4_msg *ipc4_msg = msg_data;
326 	struct snd_sof_dev *sdev = ipc->sdev;
327 	int ret;
328 
329 	if (msg_bytes > ipc->max_payload_size || reply_bytes > ipc->max_payload_size)
330 		return -EINVAL;
331 
332 	ret = sof_ipc_send_msg(sdev, msg_data, msg_bytes, reply_bytes);
333 	if (ret) {
334 		dev_err_ratelimited(sdev->dev,
335 				    "%s: ipc message send for %#x|%#x failed: %d\n",
336 				    __func__, ipc4_msg->primary, ipc4_msg->extension, ret);
337 		return ret;
338 	}
339 
340 	sof_ipc4_log_header(sdev->dev, "ipc tx      ", msg_data, true);
341 
342 	/* now wait for completion */
343 	return ipc4_wait_tx_done(ipc, reply_data);
344 }
345 
346 static int sof_ipc4_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes,
347 			   void *reply_data, size_t reply_bytes, bool no_pm)
348 {
349 	struct snd_sof_ipc *ipc = sdev->ipc;
350 #ifdef DEBUG_VERBOSE
351 	struct sof_ipc4_msg *msg = NULL;
352 #endif
353 	int ret;
354 
355 	if (!msg_data)
356 		return -EINVAL;
357 
358 	/* Serialise IPC TX */
359 	mutex_lock(&ipc->tx_mutex);
360 
361 	ret = ipc4_tx_msg_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes);
362 
363 	mutex_unlock(&ipc->tx_mutex);
364 
365 #ifdef DEBUG_VERBOSE
366 	/* payload is indicated by non zero msg/reply_bytes */
367 	if (msg_bytes)
368 		msg = msg_data;
369 	else if (reply_bytes)
370 		msg = reply_data;
371 
372 	if (msg)
373 		sof_ipc4_dump_payload(sdev, msg->data_ptr, msg->data_size);
374 #endif
375 
376 	return ret;
377 }
378 
379 static int sof_ipc4_set_get_data(struct snd_sof_dev *sdev, void *data,
380 				 size_t payload_bytes, bool set)
381 {
382 	size_t payload_limit = sdev->ipc->max_payload_size;
383 	struct sof_ipc4_msg *ipc4_msg = data;
384 	struct sof_ipc4_msg tx = {{ 0 }};
385 	struct sof_ipc4_msg rx = {{ 0 }};
386 	size_t remaining = payload_bytes;
387 	size_t offset = 0;
388 	size_t chunk_size;
389 	int ret;
390 
391 	if (!data)
392 		return -EINVAL;
393 
394 	if ((ipc4_msg->primary & SOF_IPC4_MSG_TARGET_MASK) !=
395 	    SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG))
396 		return -EINVAL;
397 
398 	ipc4_msg->primary &= ~SOF_IPC4_MSG_TYPE_MASK;
399 	tx.primary = ipc4_msg->primary;
400 	tx.extension = ipc4_msg->extension;
401 
402 	if (set)
403 		tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_SET);
404 	else
405 		tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_GET);
406 
407 	tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
408 	tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(payload_bytes);
409 
410 	tx.extension |= SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK(1);
411 
412 	/* Serialise IPC TX */
413 	mutex_lock(&sdev->ipc->tx_mutex);
414 
415 	do {
416 		size_t tx_size, rx_size;
417 
418 		if (remaining > payload_limit) {
419 			chunk_size = payload_limit;
420 		} else {
421 			chunk_size = remaining;
422 			if (set)
423 				tx.extension |= SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK(1);
424 		}
425 
426 		if (offset) {
427 			tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK;
428 			tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
429 			tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(offset);
430 		}
431 
432 		if (set) {
433 			tx.data_size = chunk_size;
434 			tx.data_ptr = ipc4_msg->data_ptr + offset;
435 
436 			tx_size = chunk_size;
437 			rx_size = 0;
438 		} else {
439 			rx.primary = 0;
440 			rx.extension = 0;
441 			rx.data_size = chunk_size;
442 			rx.data_ptr = ipc4_msg->data_ptr + offset;
443 
444 			tx_size = 0;
445 			rx_size = chunk_size;
446 		}
447 
448 		/* Send the message for the current chunk */
449 		ret = ipc4_tx_msg_unlocked(sdev->ipc, &tx, tx_size, &rx, rx_size);
450 		if (ret < 0) {
451 			dev_err(sdev->dev,
452 				"%s: large config %s failed at offset %zu: %d\n",
453 				__func__, set ? "set" : "get", offset, ret);
454 			goto out;
455 		}
456 
457 		if (!set && rx.extension & SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK) {
458 			/* Verify the firmware reported total payload size */
459 			rx_size = rx.extension & SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
460 
461 			if (rx_size > payload_bytes) {
462 				dev_err(sdev->dev,
463 					"%s: Receive buffer (%zu) is too small for %zu\n",
464 					__func__, payload_bytes, rx_size);
465 				ret = -ENOMEM;
466 				goto out;
467 			}
468 
469 			if (rx_size < chunk_size) {
470 				chunk_size = rx_size;
471 				remaining = rx_size;
472 			} else if (rx_size < payload_bytes) {
473 				remaining = rx_size;
474 			}
475 		}
476 
477 		offset += chunk_size;
478 		remaining -= chunk_size;
479 	} while (remaining);
480 
481 	/* Adjust the received data size if needed */
482 	if (!set && payload_bytes != offset)
483 		ipc4_msg->data_size = offset;
484 
485 	sof_ipc4_dump_payload(sdev, ipc4_msg->data_ptr, ipc4_msg->data_size);
486 
487 out:
488 	mutex_unlock(&sdev->ipc->tx_mutex);
489 
490 	return ret;
491 }
492 
493 static int sof_ipc4_init_msg_memory(struct snd_sof_dev *sdev)
494 {
495 	struct sof_ipc4_msg *ipc4_msg;
496 	struct snd_sof_ipc_msg *msg = &sdev->ipc->msg;
497 
498 	/* TODO: get max_payload_size from firmware */
499 	sdev->ipc->max_payload_size = SOF_IPC4_MSG_MAX_SIZE;
500 
501 	/* Allocate memory for the ipc4 container and the maximum payload */
502 	msg->reply_data = devm_kzalloc(sdev->dev, sdev->ipc->max_payload_size +
503 				       sizeof(struct sof_ipc4_msg), GFP_KERNEL);
504 	if (!msg->reply_data)
505 		return -ENOMEM;
506 
507 	ipc4_msg = msg->reply_data;
508 	ipc4_msg->data_ptr = msg->reply_data + sizeof(struct sof_ipc4_msg);
509 
510 	return 0;
511 }
512 
513 static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg)
514 {
515 	int inbox_offset, inbox_size, outbox_offset, outbox_size;
516 
517 	/* no need to re-check version/ABI for subsequent boots */
518 	if (!sdev->first_boot)
519 		return 0;
520 
521 	/* Set up the windows for IPC communication */
522 	inbox_offset = snd_sof_dsp_get_mailbox_offset(sdev);
523 	if (inbox_offset < 0) {
524 		dev_err(sdev->dev, "%s: No mailbox offset\n", __func__);
525 		return inbox_offset;
526 	}
527 	inbox_size = SOF_IPC4_MSG_MAX_SIZE;
528 	outbox_offset = snd_sof_dsp_get_window_offset(sdev, 1);
529 	outbox_size = SOF_IPC4_MSG_MAX_SIZE;
530 
531 	sdev->dsp_box.offset = inbox_offset;
532 	sdev->dsp_box.size = inbox_size;
533 	sdev->host_box.offset = outbox_offset;
534 	sdev->host_box.size = outbox_size;
535 
536 	dev_dbg(sdev->dev, "mailbox upstream 0x%x - size 0x%x\n",
537 		inbox_offset, inbox_size);
538 	dev_dbg(sdev->dev, "mailbox downstream 0x%x - size 0x%x\n",
539 		outbox_offset, outbox_size);
540 
541 	return sof_ipc4_init_msg_memory(sdev);
542 }
543 
544 static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev)
545 {
546 	struct sof_ipc4_msg *ipc4_msg = sdev->ipc->msg.rx_data;
547 	size_t data_size = 0;
548 	int err;
549 
550 	if (!ipc4_msg || !SOF_IPC4_MSG_IS_NOTIFICATION(ipc4_msg->primary))
551 		return;
552 
553 	ipc4_msg->data_ptr = NULL;
554 	ipc4_msg->data_size = 0;
555 
556 	sof_ipc4_log_header(sdev->dev, "ipc rx      ", ipc4_msg, false);
557 
558 	switch (SOF_IPC4_NOTIFICATION_TYPE_GET(ipc4_msg->primary)) {
559 	case SOF_IPC4_NOTIFY_FW_READY:
560 		/* check for FW boot completion */
561 		if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) {
562 			err = ipc4_fw_ready(sdev, ipc4_msg);
563 			if (err < 0)
564 				sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED);
565 			else
566 				sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK);
567 
568 			/* wake up firmware loader */
569 			wake_up(&sdev->boot_wait);
570 		}
571 
572 		break;
573 	case SOF_IPC4_NOTIFY_RESOURCE_EVENT:
574 		data_size = sizeof(struct sof_ipc4_notify_resource_data);
575 		break;
576 	default:
577 		dev_dbg(sdev->dev, "Unhandled DSP message: %#x|%#x\n",
578 			ipc4_msg->primary, ipc4_msg->extension);
579 		break;
580 	}
581 
582 	if (data_size) {
583 		ipc4_msg->data_ptr = kmalloc(data_size, GFP_KERNEL);
584 		if (!ipc4_msg->data_ptr)
585 			return;
586 
587 		ipc4_msg->data_size = data_size;
588 		snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size);
589 	}
590 
591 	sof_ipc4_log_header(sdev->dev, "ipc rx done ", ipc4_msg, true);
592 
593 	if (data_size) {
594 		kfree(ipc4_msg->data_ptr);
595 		ipc4_msg->data_ptr = NULL;
596 		ipc4_msg->data_size = 0;
597 	}
598 }
599 
600 static int sof_ipc4_set_core_state(struct snd_sof_dev *sdev, int core_idx, bool on)
601 {
602 	struct sof_ipc4_dx_state_info dx_state;
603 	struct sof_ipc4_msg msg;
604 
605 	dx_state.core_mask = BIT(core_idx);
606 	if (on)
607 		dx_state.dx_mask = BIT(core_idx);
608 	else
609 		dx_state.dx_mask = 0;
610 
611 	msg.primary = SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_SET_DX);
612 	msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
613 	msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
614 	msg.extension = 0;
615 	msg.data_ptr = &dx_state;
616 	msg.data_size = sizeof(dx_state);
617 
618 	return sof_ipc4_tx_msg(sdev, &msg, msg.data_size, NULL, 0, false);
619 }
620 
621 /*
622  * The context save callback is used to send a message to the firmware notifying
623  * it that the primary core is going to be turned off, which is used as an
624  * indication to prepare for a full power down, thus preparing for IMR boot
625  * (when supported)
626  *
627  * Note: in IPC4 there is no message used to restore context, thus no context
628  * restore callback is implemented
629  */
630 static int sof_ipc4_ctx_save(struct snd_sof_dev *sdev)
631 {
632 	return sof_ipc4_set_core_state(sdev, SOF_DSP_PRIMARY_CORE, false);
633 }
634 
635 static const struct sof_ipc_pm_ops ipc4_pm_ops = {
636 	.ctx_save = sof_ipc4_ctx_save,
637 	.set_core_state = sof_ipc4_set_core_state,
638 };
639 
640 const struct sof_ipc_ops ipc4_ops = {
641 	.tx_msg = sof_ipc4_tx_msg,
642 	.rx_msg = sof_ipc4_rx_msg,
643 	.set_get_data = sof_ipc4_set_get_data,
644 	.get_reply = sof_ipc4_get_reply,
645 	.pm = &ipc4_pm_ops,
646 	.fw_loader = &ipc4_loader_ops,
647 	.tplg = &ipc4_tplg_ops,
648 	.pcm = &ipc4_pcm_ops,
649 };
650