summaryrefslogtreecommitdiff
path: root/sound/soc/sof/ipc4.c
blob: ac5c6bc66d2ab75963dc5b6079bc55232ab2dcc7 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
//
// This file is provided under a dual BSD/GPLv2 license.  When using or
// redistributing this file, you may do so under either license.
//
// Copyright(c) 2022 Intel Corporation. All rights reserved.
//
// Authors: Rander Wang <rander.wang@linux.intel.com>
//	    Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
//
#include <linux/firmware.h>
#include <sound/sof/header.h>
#include <sound/sof/ipc4/header.h>
#include "sof-priv.h"
#include "sof-audio.h"
#include "ipc4-fw-reg.h"
#include "ipc4-priv.h"
#include "ipc4-telemetry.h"
#include "ops.h"

static const struct sof_ipc4_fw_status {
	int status;
	char *msg;
} ipc4_status[] = {
	{0, "The operation was successful"},
	{1, "Invalid parameter specified"},
	{2, "Unknown message type specified"},
	{3, "Not enough space in the IPC reply buffer to complete the request"},
	{4, "The system or resource is busy"},
	{5, "Replaced ADSP IPC PENDING (unused)"},
	{6, "Unknown error while processing the request"},
	{7, "Unsupported operation requested"},
	{8, "Reserved (ADSP_STAGE_UNINITIALIZED removed)"},
	{9, "Specified resource not found"},
	{10, "A resource's ID requested to be created is already assigned"},
	{11, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"},
	{12, "Required resource is in invalid state"},
	{13, "Requested power transition failed to complete"},
	{14, "Manifest of the library being loaded is invalid"},
	{15, "Requested service or data is unavailable on the target platform"},
	{42, "Library target address is out of storage memory range"},
	{43, "Reserved"},
	{44, "Image verification by CSE failed"},
	{100, "General module management error"},
	{101, "Module loading failed"},
	{102, "Integrity check of the loaded module content failed"},
	{103, "Attempt to unload code of the module in use"},
	{104, "Other failure of module instance initialization request"},
	{105, "Reserved (ADSP_IPC_OUT_OF_MIPS removed)"},
	{106, "Reserved (ADSP_IPC_CONFIG_GET_ERROR removed)"},
	{107, "Reserved (ADSP_IPC_CONFIG_SET_ERROR removed)"},
	{108, "Reserved (ADSP_IPC_LARGE_CONFIG_GET_ERROR removed)"},
	{109, "Reserved (ADSP_IPC_LARGE_CONFIG_SET_ERROR removed)"},
	{110, "Invalid (out of range) module ID provided"},
	{111, "Invalid module instance ID provided"},
	{112, "Invalid queue (pin) ID provided"},
	{113, "Invalid destination queue (pin) ID provided"},
	{114, "Reserved (ADSP_IPC_BIND_UNBIND_DST_SINK_UNSUPPORTED removed)"},
	{115, "Reserved (ADSP_IPC_UNLOAD_INST_EXISTS removed)"},
	{116, "Invalid target code ID provided"},
	{117, "Injection DMA buffer is too small for probing the input pin"},
	{118, "Extraction DMA buffer is too small for probing the output pin"},
	{120, "Invalid ID of configuration item provided in TLV list"},
	{121, "Invalid length of configuration item provided in TLV list"},
	{122, "Invalid structure of configuration item provided"},
	{140, "Initialization of DMA Gateway failed"},
	{141, "Invalid ID of gateway provided"},
	{142, "Setting state of DMA Gateway failed"},
	{143, "DMA_CONTROL message targeting gateway not allocated yet"},
	{150, "Attempt to configure SCLK while I2S port is running"},
	{151, "Attempt to configure MCLK while I2S port is running"},
	{152, "Attempt to stop SCLK that is not running"},
	{153, "Attempt to stop MCLK that is not running"},
	{160, "Reserved (ADSP_IPC_PIPELINE_NOT_INITIALIZED removed)"},
	{161, "Reserved (ADSP_IPC_PIPELINE_NOT_EXIST removed)"},
	{162, "Reserved (ADSP_IPC_PIPELINE_SAVE_FAILED removed)"},
	{163, "Reserved (ADSP_IPC_PIPELINE_RESTORE_FAILED removed)"},
	{165, "Reserved (ADSP_IPC_PIPELINE_ALREADY_EXISTS removed)"},
};

typedef void (*ipc4_notification_handler)(struct snd_sof_dev *sdev,
					  struct sof_ipc4_msg *msg);

static int sof_ipc4_check_reply_status(struct snd_sof_dev *sdev, u32 status)
{
	int i, ret;

	status &= SOF_IPC4_REPLY_STATUS;

	if (!status)
		return 0;

	for (i = 0; i < ARRAY_SIZE(ipc4_status); i++) {
		if (ipc4_status[i].status == status) {
			dev_err(sdev->dev, "FW reported error: %u - %s\n",
				status, ipc4_status[i].msg);
			goto to_errno;
		}
	}

	if (i == ARRAY_SIZE(ipc4_status))
		dev_err(sdev->dev, "FW reported error: %u - Unknown\n", status);

to_errno:
	switch (status) {
	case 2:
	case 15:
		ret = -EOPNOTSUPP;
		break;
	case 8:
	case 11:
	case 105 ... 109:
	case 114 ... 115:
	case 160 ... 163:
	case 165:
		ret = -ENOENT;
		break;
	case 4:
	case 150:
	case 151:
		ret = -EBUSY;
		break;
	default:
		ret = -EINVAL;
		break;
	}

	return ret;
}

#if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC)
#define DBG_IPC4_MSG_TYPE_ENTRY(type)	[SOF_IPC4_##type] = #type
static const char * const ipc4_dbg_mod_msg_type[] = {
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_INIT_INSTANCE),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_CONFIG_GET),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_CONFIG_SET),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_LARGE_CONFIG_GET),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_LARGE_CONFIG_SET),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_BIND),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_UNBIND),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_SET_DX),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_SET_D0IX),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_ENTER_MODULE_RESTORE),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_EXIT_MODULE_RESTORE),
	DBG_IPC4_MSG_TYPE_ENTRY(MOD_DELETE_INSTANCE),
};

static const char * const ipc4_dbg_glb_msg_type[] = {
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_BOOT_CONFIG),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_ROM_CONTROL),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_IPCGATEWAY_CMD),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_PERF_MEASUREMENTS_CMD),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_CHAIN_DMA),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_MULTIPLE_MODULES),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_UNLOAD_MULTIPLE_MODULES),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_CREATE_PIPELINE),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_DELETE_PIPELINE),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_SET_PIPELINE_STATE),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_GET_PIPELINE_STATE),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_GET_PIPELINE_CONTEXT_SIZE),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_SAVE_PIPELINE),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_RESTORE_PIPELINE),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_LIBRARY),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_LOAD_LIBRARY_PREPARE),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_INTERNAL_MESSAGE),
	DBG_IPC4_MSG_TYPE_ENTRY(GLB_NOTIFICATION),
};

#define DBG_IPC4_NOTIFICATION_TYPE_ENTRY(type)	[SOF_IPC4_NOTIFY_##type] = #type
static const char * const ipc4_dbg_notification_type[] = {
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PHRASE_DETECTED),
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(RESOURCE_EVENT),
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(LOG_BUFFER_STATUS),
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(TIMESTAMP_CAPTURED),
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_READY),
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(FW_AUD_CLASS_RESULT),
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(EXCEPTION_CAUGHT),
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(MODULE_NOTIFICATION),
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(PROBE_DATA_AVAILABLE),
	DBG_IPC4_NOTIFICATION_TYPE_ENTRY(ASYNC_MSG_SRVC_MESSAGE),
};

static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg,
				bool data_size_valid)
{
	u32 val, type;
	const u8 *str2 = NULL;
	const u8 *str = NULL;

	val = msg->primary & SOF_IPC4_MSG_TARGET_MASK;
	type = SOF_IPC4_MSG_TYPE_GET(msg->primary);

	if (val == SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG)) {
		/* Module message */
		if (type < SOF_IPC4_MOD_TYPE_LAST)
			str = ipc4_dbg_mod_msg_type[type];
		if (!str)
			str = "Unknown Module message type";
	} else {
		/* Global FW message */
		if (type < SOF_IPC4_GLB_TYPE_LAST)
			str = ipc4_dbg_glb_msg_type[type];
		if (!str)
			str = "Unknown Global message type";

		if (type == SOF_IPC4_GLB_NOTIFICATION) {
			/* Notification message */
			u32 notif = SOF_IPC4_NOTIFICATION_TYPE_GET(msg->primary);

			/* Do not print log buffer notification if not desired */
			if (notif == SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS &&
			    !sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS))
				return;

			if (notif < SOF_IPC4_NOTIFY_TYPE_LAST)
				str2 = ipc4_dbg_notification_type[notif];
			if (!str2)
				str2 = "Unknown Global notification";
		}
	}

	if (str2) {
		if (data_size_valid && msg->data_size)
			dev_dbg(dev, "%s: %#x|%#x: %s|%s [data size: %zu]\n",
				text, msg->primary, msg->extension, str, str2,
				msg->data_size);
		else
			dev_dbg(dev, "%s: %#x|%#x: %s|%s\n", text, msg->primary,
				msg->extension, str, str2);
	} else {
		if (data_size_valid && msg->data_size)
			dev_dbg(dev, "%s: %#x|%#x: %s [data size: %zu]\n",
				text, msg->primary, msg->extension, str,
				msg->data_size);
		else
			dev_dbg(dev, "%s: %#x|%#x: %s\n", text, msg->primary,
				msg->extension, str);
	}
}
#else /* CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC */
static void sof_ipc4_log_header(struct device *dev, u8 *text, struct sof_ipc4_msg *msg,
				bool data_size_valid)
{
	/* Do not print log buffer notification if not desired */
	if (!sof_debug_check_flag(SOF_DBG_PRINT_DMA_POSITION_UPDATE_LOGS) &&
	    !SOF_IPC4_MSG_IS_MODULE_MSG(msg->primary) &&
	    SOF_IPC4_MSG_TYPE_GET(msg->primary) == SOF_IPC4_GLB_NOTIFICATION &&
	    SOF_IPC4_NOTIFICATION_TYPE_GET(msg->primary) == SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS)
		return;

	if (data_size_valid && msg->data_size)
		dev_dbg(dev, "%s: %#x|%#x [data size: %zu]\n", text,
			msg->primary, msg->extension, msg->data_size);
	else
		dev_dbg(dev, "%s: %#x|%#x\n", text, msg->primary, msg->extension);
}
#endif

static void sof_ipc4_dump_payload(struct snd_sof_dev *sdev,
				  void *ipc_data, size_t size)
{
	print_hex_dump_debug("Message payload: ", DUMP_PREFIX_OFFSET,
			     16, 4, ipc_data, size, false);
}

static int sof_ipc4_get_reply(struct snd_sof_dev *sdev)
{
	struct snd_sof_ipc_msg *msg = sdev->msg;
	struct sof_ipc4_msg *ipc4_reply;
	int ret;

	/* get the generic reply */
	ipc4_reply = msg->reply_data;

	sof_ipc4_log_header(sdev->dev, "ipc tx reply", ipc4_reply, false);

	ret = sof_ipc4_check_reply_status(sdev, ipc4_reply->primary);
	if (ret)
		return ret;

	/* No other information is expected for non large config get replies */
	if (!msg->reply_size || !SOF_IPC4_MSG_IS_MODULE_MSG(ipc4_reply->primary) ||
	    (SOF_IPC4_MSG_TYPE_GET(ipc4_reply->primary) != SOF_IPC4_MOD_LARGE_CONFIG_GET))
		return 0;

	/* Read the requested payload */
	snd_sof_dsp_mailbox_read(sdev, sdev->dsp_box.offset, ipc4_reply->data_ptr,
				 msg->reply_size);

	return 0;
}

/* wait for IPC message reply */
static int ipc4_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data)
{
	struct snd_sof_ipc_msg *msg = &ipc->msg;
	struct sof_ipc4_msg *ipc4_msg = msg->msg_data;
	struct snd_sof_dev *sdev = ipc->sdev;
	int ret;

	/* wait for DSP IPC completion */
	ret = wait_event_timeout(msg->waitq, msg->ipc_complete,
				 msecs_to_jiffies(sdev->ipc_timeout));
	if (ret == 0) {
		dev_err(sdev->dev, "ipc timed out for %#x|%#x\n",
			ipc4_msg->primary, ipc4_msg->extension);
		snd_sof_handle_fw_exception(ipc->sdev, "IPC timeout");
		return -ETIMEDOUT;
	}

	if (msg->reply_error) {
		dev_err(sdev->dev, "ipc error for msg %#x|%#x\n",
			ipc4_msg->primary, ipc4_msg->extension);
		ret =  msg->reply_error;
	} else {
		if (reply_data) {
			struct sof_ipc4_msg *ipc4_reply = msg->reply_data;
			struct sof_ipc4_msg *ipc4_reply_data = reply_data;

			/* Copy the header */
			ipc4_reply_data->header_u64 = ipc4_reply->header_u64;
			if (msg->reply_size && ipc4_reply_data->data_ptr) {
				/* copy the payload returned from DSP */
				memcpy(ipc4_reply_data->data_ptr, ipc4_reply->data_ptr,
				       msg->reply_size);
				ipc4_reply_data->data_size = msg->reply_size;
			}
		}

		ret = 0;
		sof_ipc4_log_header(sdev->dev, "ipc tx done ", ipc4_msg, true);
	}

	/* re-enable dumps after successful IPC tx */
	if (sdev->ipc_dump_printed) {
		sdev->dbg_dump_printed = false;
		sdev->ipc_dump_printed = false;
	}

	return ret;
}

static int ipc4_tx_msg_unlocked(struct snd_sof_ipc *ipc,
				void *msg_data, size_t msg_bytes,
				void *reply_data, size_t reply_bytes)
{
	struct sof_ipc4_msg *ipc4_msg = msg_data;
	struct snd_sof_dev *sdev = ipc->sdev;
	int ret;

	if (msg_bytes > ipc->max_payload_size || reply_bytes > ipc->max_payload_size)
		return -EINVAL;

	sof_ipc4_log_header(sdev->dev, "ipc tx      ", msg_data, true);

	ret = sof_ipc_send_msg(sdev, msg_data, msg_bytes, reply_bytes);
	if (ret) {
		dev_err_ratelimited(sdev->dev,
				    "%s: ipc message send for %#x|%#x failed: %d\n",
				    __func__, ipc4_msg->primary, ipc4_msg->extension, ret);
		return ret;
	}

	/* now wait for completion */
	return ipc4_wait_tx_done(ipc, reply_data);
}

static int sof_ipc4_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes,
			   void *reply_data, size_t reply_bytes, bool no_pm)
{
	struct snd_sof_ipc *ipc = sdev->ipc;
	int ret;

	if (!msg_data)
		return -EINVAL;

	if (!no_pm) {
		const struct sof_dsp_power_state target_state = {
			.state = SOF_DSP_PM_D0,
		};

		/* ensure the DSP is in D0i0 before sending a new IPC */
		ret = snd_sof_dsp_set_power_state(sdev, &target_state);
		if (ret < 0)
			return ret;
	}

	/* Serialise IPC TX */
	mutex_lock(&ipc->tx_mutex);

	ret = ipc4_tx_msg_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes);

	if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD)) {
		struct sof_ipc4_msg *msg = NULL;

		/* payload is indicated by non zero msg/reply_bytes */
		if (msg_bytes)
			msg = msg_data;
		else if (reply_bytes)
			msg = reply_data;

		if (msg)
			sof_ipc4_dump_payload(sdev, msg->data_ptr, msg->data_size);
	}

	mutex_unlock(&ipc->tx_mutex);

	return ret;
}

static int sof_ipc4_set_get_data(struct snd_sof_dev *sdev, void *data,
				 size_t payload_bytes, bool set)
{
	const struct sof_dsp_power_state target_state = {
			.state = SOF_DSP_PM_D0,
	};
	size_t payload_limit = sdev->ipc->max_payload_size;
	struct sof_ipc4_msg *ipc4_msg = data;
	struct sof_ipc4_msg tx = {{ 0 }};
	struct sof_ipc4_msg rx = {{ 0 }};
	size_t remaining = payload_bytes;
	size_t offset = 0;
	size_t chunk_size;
	int ret;

	if (!data)
		return -EINVAL;

	if ((ipc4_msg->primary & SOF_IPC4_MSG_TARGET_MASK) !=
	    SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG))
		return -EINVAL;

	ipc4_msg->primary &= ~SOF_IPC4_MSG_TYPE_MASK;
	tx.primary = ipc4_msg->primary;
	tx.extension = ipc4_msg->extension;

	if (set)
		tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_SET);
	else
		tx.primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_LARGE_CONFIG_GET);

	tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
	tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(payload_bytes);

	tx.extension |= SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK(1);

	/* ensure the DSP is in D0i0 before sending IPC */
	ret = snd_sof_dsp_set_power_state(sdev, &target_state);
	if (ret < 0)
		return ret;

	/* Serialise IPC TX */
	mutex_lock(&sdev->ipc->tx_mutex);

	do {
		size_t tx_size, rx_size;

		if (remaining > payload_limit) {
			chunk_size = payload_limit;
		} else {
			chunk_size = remaining;
			if (set)
				tx.extension |= SOF_IPC4_MOD_EXT_MSG_LAST_BLOCK(1);
		}

		if (offset) {
			tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK;
			tx.extension &= ~SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;
			tx.extension |= SOF_IPC4_MOD_EXT_MSG_SIZE(offset);
		}

		if (set) {
			tx.data_size = chunk_size;
			tx.data_ptr = ipc4_msg->data_ptr + offset;

			tx_size = chunk_size;
			rx_size = 0;
		} else {
			rx.primary = 0;
			rx.extension = 0;
			rx.data_size = chunk_size;
			rx.data_ptr = ipc4_msg->data_ptr + offset;

			tx_size = 0;
			rx_size = chunk_size;
		}

		/* Send the message for the current chunk */
		ret = ipc4_tx_msg_unlocked(sdev->ipc, &tx, tx_size, &rx, rx_size);
		if (ret < 0) {
			dev_err(sdev->dev,
				"%s: large config %s failed at offset %zu: %d\n",
				__func__, set ? "set" : "get", offset, ret);
			goto out;
		}

		if (!set && rx.extension & SOF_IPC4_MOD_EXT_MSG_FIRST_BLOCK_MASK) {
			/* Verify the firmware reported total payload size */
			rx_size = rx.extension & SOF_IPC4_MOD_EXT_MSG_SIZE_MASK;

			if (rx_size > payload_bytes) {
				dev_err(sdev->dev,
					"%s: Receive buffer (%zu) is too small for %zu\n",
					__func__, payload_bytes, rx_size);
				ret = -ENOMEM;
				goto out;
			}

			if (rx_size < chunk_size) {
				chunk_size = rx_size;
				remaining = rx_size;
			} else if (rx_size < payload_bytes) {
				remaining = rx_size;
			}
		}

		offset += chunk_size;
		remaining -= chunk_size;
	} while (remaining);

	/* Adjust the received data size if needed */
	if (!set && payload_bytes != offset)
		ipc4_msg->data_size = offset;

out:
	if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD))
		sof_ipc4_dump_payload(sdev, ipc4_msg->data_ptr, ipc4_msg->data_size);

	mutex_unlock(&sdev->ipc->tx_mutex);

	return ret;
}

static int sof_ipc4_init_msg_memory(struct snd_sof_dev *sdev)
{
	struct sof_ipc4_msg *ipc4_msg;
	struct snd_sof_ipc_msg *msg = &sdev->ipc->msg;

	/* TODO: get max_payload_size from firmware */
	sdev->ipc->max_payload_size = SOF_IPC4_MSG_MAX_SIZE;

	/* Allocate memory for the ipc4 container and the maximum payload */
	msg->reply_data = devm_kzalloc(sdev->dev, sdev->ipc->max_payload_size +
				       sizeof(struct sof_ipc4_msg), GFP_KERNEL);
	if (!msg->reply_data)
		return -ENOMEM;

	ipc4_msg = msg->reply_data;
	ipc4_msg->data_ptr = msg->reply_data + sizeof(struct sof_ipc4_msg);

	return 0;
}

size_t sof_ipc4_find_debug_slot_offset_by_type(struct snd_sof_dev *sdev,
					       u32 slot_type)
{
	size_t slot_desc_type_offset;
	u32 type;
	int i;

	/* The type is the second u32 in the slot descriptor */
	slot_desc_type_offset = sdev->debug_box.offset + sizeof(u32);
	for (i = 0; i < SOF_IPC4_MAX_DEBUG_SLOTS; i++) {
		sof_mailbox_read(sdev, slot_desc_type_offset, &type, sizeof(type));

		if (type == slot_type)
			return sdev->debug_box.offset + (i + 1) * SOF_IPC4_DEBUG_SLOT_SIZE;

		slot_desc_type_offset += SOF_IPC4_DEBUG_DESCRIPTOR_SIZE;
	}

	dev_dbg(sdev->dev, "Slot type %#x is not available in debug window\n", slot_type);
	return 0;
}
EXPORT_SYMBOL(sof_ipc4_find_debug_slot_offset_by_type);

static int ipc4_fw_ready(struct snd_sof_dev *sdev, struct sof_ipc4_msg *ipc4_msg)
{
	/* no need to re-check version/ABI for subsequent boots */
	if (!sdev->first_boot)
		return 0;

	sof_ipc4_create_exception_debugfs_node(sdev);

	return sof_ipc4_init_msg_memory(sdev);
}

static void sof_ipc4_module_notification_handler(struct snd_sof_dev *sdev,
						 struct sof_ipc4_msg *ipc4_msg)
{
	struct sof_ipc4_notify_module_data *data = ipc4_msg->data_ptr;

	/*
	 * If the notification includes additional, module specific data, then
	 * we need to re-allocate the buffer and re-read the whole payload,
	 * including the event_data
	 */
	if (data->event_data_size) {
		void *new;
		int ret;

		ipc4_msg->data_size += data->event_data_size;

		new = krealloc(ipc4_msg->data_ptr, ipc4_msg->data_size, GFP_KERNEL);
		if (!new) {
			ipc4_msg->data_size -= data->event_data_size;
			return;
		}

		/* re-read the whole payload */
		ipc4_msg->data_ptr = new;
		ret = snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr,
					   ipc4_msg->data_size);
		if (ret < 0) {
			dev_err(sdev->dev,
				"Failed to read the full module notification: %d\n",
				ret);
			return;
		}
		data = ipc4_msg->data_ptr;
	}

	/* Handle ALSA kcontrol notification */
	if ((data->event_id & SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_MASK) ==
	    SOF_IPC4_NOTIFY_MODULE_EVENTID_ALSA_MAGIC_VAL) {
		const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;

		if (tplg_ops->control->update)
			tplg_ops->control->update(sdev, ipc4_msg);
	}
}

static void sof_ipc4_rx_msg(struct snd_sof_dev *sdev)
{
	struct sof_ipc4_msg *ipc4_msg = sdev->ipc->msg.rx_data;
	ipc4_notification_handler handler_func = NULL;
	size_t data_size = 0;
	int err;

	if (!ipc4_msg || !SOF_IPC4_MSG_IS_NOTIFICATION(ipc4_msg->primary))
		return;

	ipc4_msg->data_ptr = NULL;
	ipc4_msg->data_size = 0;

	sof_ipc4_log_header(sdev->dev, "ipc rx      ", ipc4_msg, false);

	switch (SOF_IPC4_NOTIFICATION_TYPE_GET(ipc4_msg->primary)) {
	case SOF_IPC4_NOTIFY_FW_READY:
		/* check for FW boot completion */
		if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) {
			err = ipc4_fw_ready(sdev, ipc4_msg);
			if (err < 0)
				sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED);
			else
				sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK);

			/* wake up firmware loader */
			wake_up(&sdev->boot_wait);
		}

		break;
	case SOF_IPC4_NOTIFY_RESOURCE_EVENT:
		data_size = sizeof(struct sof_ipc4_notify_resource_data);
		break;
	case SOF_IPC4_NOTIFY_LOG_BUFFER_STATUS:
		sof_ipc4_mtrace_update_pos(sdev, SOF_IPC4_LOG_CORE_GET(ipc4_msg->primary));
		break;
	case SOF_IPC4_NOTIFY_EXCEPTION_CAUGHT:
		snd_sof_dsp_panic(sdev, 0, true);
		break;
	case SOF_IPC4_NOTIFY_MODULE_NOTIFICATION:
		data_size = sizeof(struct sof_ipc4_notify_module_data);
		handler_func = sof_ipc4_module_notification_handler;
		break;
	default:
		dev_dbg(sdev->dev, "Unhandled DSP message: %#x|%#x\n",
			ipc4_msg->primary, ipc4_msg->extension);
		break;
	}

	if (data_size) {
		ipc4_msg->data_ptr = kmalloc(data_size, GFP_KERNEL);
		if (!ipc4_msg->data_ptr)
			return;

		ipc4_msg->data_size = data_size;
		err = snd_sof_ipc_msg_data(sdev, NULL, ipc4_msg->data_ptr, ipc4_msg->data_size);
		if (err < 0) {
			dev_err(sdev->dev, "failed to read IPC notification data: %d\n", err);
			kfree(ipc4_msg->data_ptr);
			ipc4_msg->data_ptr = NULL;
			ipc4_msg->data_size = 0;
			return;
		}
	}

	/* Handle notifications with payload */
	if (handler_func)
		handler_func(sdev, ipc4_msg);

	sof_ipc4_log_header(sdev->dev, "ipc rx done ", ipc4_msg, true);

	if (data_size) {
		if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD))
			sof_ipc4_dump_payload(sdev, ipc4_msg->data_ptr,
					      ipc4_msg->data_size);

		kfree(ipc4_msg->data_ptr);
		ipc4_msg->data_ptr = NULL;
		ipc4_msg->data_size = 0;
	}
}

static int sof_ipc4_set_core_state(struct snd_sof_dev *sdev, int core_idx, bool on)
{
	struct sof_ipc4_dx_state_info dx_state;
	struct sof_ipc4_msg msg;

	dx_state.core_mask = BIT(core_idx);
	if (on)
		dx_state.dx_mask = BIT(core_idx);
	else
		dx_state.dx_mask = 0;

	msg.primary = SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_SET_DX);
	msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
	msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
	msg.extension = 0;
	msg.data_ptr = &dx_state;
	msg.data_size = sizeof(dx_state);

	return sof_ipc4_tx_msg(sdev, &msg, msg.data_size, NULL, 0, false);
}

/*
 * The context save callback is used to send a message to the firmware notifying
 * it that the primary core is going to be turned off, which is used as an
 * indication to prepare for a full power down, thus preparing for IMR boot
 * (when supported)
 *
 * Note: in IPC4 there is no message used to restore context, thus no context
 * restore callback is implemented
 */
static int sof_ipc4_ctx_save(struct snd_sof_dev *sdev)
{
	return sof_ipc4_set_core_state(sdev, SOF_DSP_PRIMARY_CORE, false);
}

static int sof_ipc4_set_pm_gate(struct snd_sof_dev *sdev, u32 flags)
{
	struct sof_ipc4_msg msg = {{0}};

	msg.primary = SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_MOD_SET_D0IX);
	msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
	msg.primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
	msg.extension = flags;

	return sof_ipc4_tx_msg(sdev, &msg, 0, NULL, 0, true);
}

static const struct sof_ipc_pm_ops ipc4_pm_ops = {
	.ctx_save = sof_ipc4_ctx_save,
	.set_core_state = sof_ipc4_set_core_state,
	.set_pm_gate = sof_ipc4_set_pm_gate,
};

static int sof_ipc4_init(struct snd_sof_dev *sdev)
{
	struct sof_ipc4_fw_data *ipc4_data = sdev->private;
	int inbox_offset;

	mutex_init(&ipc4_data->pipeline_state_mutex);

	xa_init_flags(&ipc4_data->fw_lib_xa, XA_FLAGS_ALLOC);

	/* Set up the windows for IPC communication */
	inbox_offset = snd_sof_dsp_get_mailbox_offset(sdev);
	if (inbox_offset < 0) {
		dev_err(sdev->dev, "%s: No mailbox offset\n", __func__);
		return inbox_offset;
	}

	sdev->dsp_box.offset = inbox_offset;
	sdev->dsp_box.size = SOF_IPC4_MSG_MAX_SIZE;
	sdev->host_box.offset = snd_sof_dsp_get_window_offset(sdev,
							SOF_IPC4_OUTBOX_WINDOW_IDX);
	sdev->host_box.size = SOF_IPC4_MSG_MAX_SIZE;

	sdev->debug_box.offset = snd_sof_dsp_get_window_offset(sdev,
							SOF_IPC4_DEBUG_WINDOW_IDX);

	sdev->fw_info_box.offset = snd_sof_dsp_get_window_offset(sdev,
							SOF_IPC4_INBOX_WINDOW_IDX);
	sdev->fw_info_box.size = sizeof(struct sof_ipc4_fw_registers);

	dev_dbg(sdev->dev, "mailbox upstream %#x - size %#x\n",
		sdev->dsp_box.offset, SOF_IPC4_MSG_MAX_SIZE);
	dev_dbg(sdev->dev, "mailbox downstream %#x - size %#x\n",
		sdev->host_box.offset, SOF_IPC4_MSG_MAX_SIZE);
	dev_dbg(sdev->dev, "debug box %#x\n", sdev->debug_box.offset);

	return 0;
}

static void sof_ipc4_exit(struct snd_sof_dev *sdev)
{
	struct sof_ipc4_fw_data *ipc4_data = sdev->private;
	struct sof_ipc4_fw_library *fw_lib;
	unsigned long lib_id;

	xa_for_each(&ipc4_data->fw_lib_xa, lib_id, fw_lib) {
		/*
		 * The basefw (ID == 0) is handled by generic code, it is not
		 * loaded by IPC4 code.
		 */
		if (lib_id != 0)
			release_firmware(fw_lib->sof_fw.fw);

		fw_lib->sof_fw.fw = NULL;
	}

	xa_destroy(&ipc4_data->fw_lib_xa);
}

static int sof_ipc4_post_boot(struct snd_sof_dev *sdev)
{
	if (sdev->first_boot)
		return sof_ipc4_query_fw_configuration(sdev);

	return sof_ipc4_reload_fw_libraries(sdev);
}

const struct sof_ipc_ops ipc4_ops = {
	.init = sof_ipc4_init,
	.exit = sof_ipc4_exit,
	.post_fw_boot = sof_ipc4_post_boot,
	.tx_msg = sof_ipc4_tx_msg,
	.rx_msg = sof_ipc4_rx_msg,
	.set_get_data = sof_ipc4_set_get_data,
	.get_reply = sof_ipc4_get_reply,
	.pm = &ipc4_pm_ops,
	.fw_loader = &ipc4_loader_ops,
	.tplg = &ipc4_tplg_ops,
	.pcm = &ipc4_pcm_ops,
	.fw_tracing = &ipc4_mtrace_ops,
};