xref: /linux/sound/soc/sof/ipc3.c (revision 33e02dc69afbd8f1b85a51d74d72f139ba4ca623)
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
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)
ipc3_log_header(struct device * dev,u8 * text,u32 cmd)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
ipc3_log_header(struct device * dev,u8 * text,u32 cmd)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 
sof_ipc3_dump_payload(struct snd_sof_dev * sdev,void * ipc_data,size_t size)226 static void sof_ipc3_dump_payload(struct snd_sof_dev *sdev,
227 				  void *ipc_data, size_t size)
228 {
229 	printk(KERN_DEBUG "Size of payload following the header: %zu\n", size);
230 	print_hex_dump_debug("Message payload: ", DUMP_PREFIX_OFFSET,
231 			     16, 4, ipc_data, size, false);
232 }
233 
sof_ipc3_get_reply(struct snd_sof_dev * sdev)234 static int sof_ipc3_get_reply(struct snd_sof_dev *sdev)
235 {
236 	struct snd_sof_ipc_msg *msg = sdev->msg;
237 	struct sof_ipc_reply *reply;
238 	int ret = 0;
239 
240 	/* get the generic reply */
241 	reply = msg->reply_data;
242 	snd_sof_dsp_mailbox_read(sdev, sdev->host_box.offset, reply, sizeof(*reply));
243 
244 	if (reply->error < 0)
245 		return reply->error;
246 
247 	if (!reply->hdr.size) {
248 		/* Reply should always be >= sizeof(struct sof_ipc_reply) */
249 		if (msg->reply_size)
250 			dev_err(sdev->dev,
251 				"empty reply received, expected %zu bytes\n",
252 				msg->reply_size);
253 		else
254 			dev_err(sdev->dev, "empty reply received\n");
255 
256 		return -EINVAL;
257 	}
258 
259 	if (msg->reply_size > 0) {
260 		if (reply->hdr.size == msg->reply_size) {
261 			ret = 0;
262 		} else if (reply->hdr.size < msg->reply_size) {
263 			dev_dbg(sdev->dev,
264 				"reply size (%u) is less than expected (%zu)\n",
265 				reply->hdr.size, msg->reply_size);
266 
267 			msg->reply_size = reply->hdr.size;
268 			ret = 0;
269 		} else {
270 			dev_err(sdev->dev,
271 				"reply size (%u) exceeds the buffer size (%zu)\n",
272 				reply->hdr.size, msg->reply_size);
273 			ret = -EINVAL;
274 		}
275 
276 		/*
277 		 * get the full message if reply->hdr.size <= msg->reply_size
278 		 * and the reply->hdr.size > sizeof(struct sof_ipc_reply)
279 		 */
280 		if (!ret && msg->reply_size > sizeof(*reply))
281 			snd_sof_dsp_mailbox_read(sdev, sdev->host_box.offset,
282 						 msg->reply_data, msg->reply_size);
283 	}
284 
285 	return ret;
286 }
287 
288 /* wait for IPC message reply */
ipc3_wait_tx_done(struct snd_sof_ipc * ipc,void * reply_data)289 static int ipc3_wait_tx_done(struct snd_sof_ipc *ipc, void *reply_data)
290 {
291 	struct snd_sof_ipc_msg *msg = &ipc->msg;
292 	struct sof_ipc_cmd_hdr *hdr = msg->msg_data;
293 	struct snd_sof_dev *sdev = ipc->sdev;
294 	int ret;
295 
296 	/* wait for DSP IPC completion */
297 	ret = wait_event_timeout(msg->waitq, msg->ipc_complete,
298 				 msecs_to_jiffies(sdev->ipc_timeout));
299 
300 	if (ret == 0) {
301 		dev_err(sdev->dev,
302 			"ipc tx timed out for %#x (msg/reply size: %d/%zu)\n",
303 			hdr->cmd, hdr->size, msg->reply_size);
304 		snd_sof_handle_fw_exception(ipc->sdev, "IPC timeout");
305 		ret = -ETIMEDOUT;
306 	} else {
307 		ret = msg->reply_error;
308 		if (ret < 0) {
309 			dev_err(sdev->dev,
310 				"ipc tx error for %#x (msg/reply size: %d/%zu): %d\n",
311 				hdr->cmd, hdr->size, msg->reply_size, ret);
312 		} else {
313 			if (sof_debug_check_flag(SOF_DBG_PRINT_IPC_SUCCESS_LOGS))
314 				ipc3_log_header(sdev->dev, "ipc tx succeeded", hdr->cmd);
315 			if (reply_data && msg->reply_size)
316 				/* copy the data returned from DSP */
317 				memcpy(reply_data, msg->reply_data,
318 				       msg->reply_size);
319 		}
320 
321 		/* re-enable dumps after successful IPC tx */
322 		if (sdev->ipc_dump_printed) {
323 			sdev->dbg_dump_printed = false;
324 			sdev->ipc_dump_printed = false;
325 		}
326 	}
327 
328 	return ret;
329 }
330 
331 /* send IPC message from host to DSP */
ipc3_tx_msg_unlocked(struct snd_sof_ipc * ipc,void * msg_data,size_t msg_bytes,void * reply_data,size_t reply_bytes)332 static int ipc3_tx_msg_unlocked(struct snd_sof_ipc *ipc,
333 				void *msg_data, size_t msg_bytes,
334 				void *reply_data, size_t reply_bytes)
335 {
336 	struct sof_ipc_cmd_hdr *hdr = msg_data;
337 	struct snd_sof_dev *sdev = ipc->sdev;
338 	int ret;
339 
340 	ipc3_log_header(sdev->dev, "ipc tx", hdr->cmd);
341 
342 	ret = sof_ipc_send_msg(sdev, msg_data, msg_bytes, reply_bytes);
343 
344 	if (ret) {
345 		dev_err_ratelimited(sdev->dev,
346 				    "%s: ipc message send for %#x failed: %d\n",
347 				    __func__, hdr->cmd, ret);
348 		return ret;
349 	}
350 
351 	/* now wait for completion */
352 	return ipc3_wait_tx_done(ipc, reply_data);
353 }
354 
sof_ipc3_tx_msg(struct snd_sof_dev * sdev,void * msg_data,size_t msg_bytes,void * reply_data,size_t reply_bytes,bool no_pm)355 static int sof_ipc3_tx_msg(struct snd_sof_dev *sdev, void *msg_data, size_t msg_bytes,
356 			   void *reply_data, size_t reply_bytes, bool no_pm)
357 {
358 	struct snd_sof_ipc *ipc = sdev->ipc;
359 	int ret;
360 
361 	if (!msg_data || msg_bytes < sizeof(struct sof_ipc_cmd_hdr)) {
362 		dev_err_ratelimited(sdev->dev, "No IPC message to send\n");
363 		return -EINVAL;
364 	}
365 
366 	if (!no_pm) {
367 		const struct sof_dsp_power_state target_state = {
368 			.state = SOF_DSP_PM_D0,
369 		};
370 
371 		/* ensure the DSP is in D0 before sending a new IPC */
372 		ret = snd_sof_dsp_set_power_state(sdev, &target_state);
373 		if (ret < 0) {
374 			dev_err(sdev->dev, "%s: resuming DSP failed: %d\n",
375 				__func__, ret);
376 			return ret;
377 		}
378 	}
379 
380 	/* Serialise IPC TX */
381 	mutex_lock(&ipc->tx_mutex);
382 
383 	ret = ipc3_tx_msg_unlocked(ipc, msg_data, msg_bytes, reply_data, reply_bytes);
384 
385 	if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD)) {
386 		size_t payload_bytes, header_bytes;
387 		char *payload = NULL;
388 
389 		/* payload is indicated by non zero msg/reply_bytes */
390 		if (msg_bytes > sizeof(struct sof_ipc_cmd_hdr)) {
391 			payload = msg_data;
392 
393 			header_bytes = sizeof(struct sof_ipc_cmd_hdr);
394 			payload_bytes = msg_bytes - header_bytes;
395 		} else if (reply_bytes > sizeof(struct sof_ipc_reply)) {
396 			payload = reply_data;
397 
398 			header_bytes = sizeof(struct sof_ipc_reply);
399 			payload_bytes = reply_bytes - header_bytes;
400 		}
401 
402 		if (payload) {
403 			payload += header_bytes;
404 			sof_ipc3_dump_payload(sdev, payload, payload_bytes);
405 		}
406 	}
407 
408 	mutex_unlock(&ipc->tx_mutex);
409 
410 	return ret;
411 }
412 
sof_ipc3_set_get_data(struct snd_sof_dev * sdev,void * data,size_t data_bytes,bool set)413 static int sof_ipc3_set_get_data(struct snd_sof_dev *sdev, void *data, size_t data_bytes,
414 				 bool set)
415 {
416 	size_t msg_bytes, hdr_bytes, payload_size, send_bytes;
417 	struct sof_ipc_ctrl_data *cdata = data;
418 	struct sof_ipc_ctrl_data *cdata_chunk;
419 	struct snd_sof_ipc *ipc = sdev->ipc;
420 	size_t offset = 0;
421 	u8 *src, *dst;
422 	u32 num_msg;
423 	int ret = 0;
424 	int i;
425 
426 	if (!cdata || data_bytes < sizeof(*cdata))
427 		return -EINVAL;
428 
429 	if ((cdata->rhdr.hdr.cmd & SOF_GLB_TYPE_MASK) != SOF_IPC_GLB_COMP_MSG) {
430 		dev_err(sdev->dev, "%s: Not supported message type of %#x\n",
431 			__func__, cdata->rhdr.hdr.cmd);
432 		return -EINVAL;
433 	}
434 
435 	/* send normal size ipc in one part */
436 	if (cdata->rhdr.hdr.size <= ipc->max_payload_size)
437 		return sof_ipc3_tx_msg(sdev, cdata, cdata->rhdr.hdr.size,
438 				       cdata, cdata->rhdr.hdr.size, false);
439 
440 	cdata_chunk = kzalloc(ipc->max_payload_size, GFP_KERNEL);
441 	if (!cdata_chunk)
442 		return -ENOMEM;
443 
444 	switch (cdata->type) {
445 	case SOF_CTRL_TYPE_VALUE_CHAN_GET:
446 	case SOF_CTRL_TYPE_VALUE_CHAN_SET:
447 		hdr_bytes = sizeof(struct sof_ipc_ctrl_data);
448 		if (set) {
449 			src = (u8 *)cdata->chanv;
450 			dst = (u8 *)cdata_chunk->chanv;
451 		} else {
452 			src = (u8 *)cdata_chunk->chanv;
453 			dst = (u8 *)cdata->chanv;
454 		}
455 		break;
456 	case SOF_CTRL_TYPE_DATA_GET:
457 	case SOF_CTRL_TYPE_DATA_SET:
458 		hdr_bytes = sizeof(struct sof_ipc_ctrl_data) + sizeof(struct sof_abi_hdr);
459 		if (set) {
460 			src = (u8 *)cdata->data->data;
461 			dst = (u8 *)cdata_chunk->data->data;
462 		} else {
463 			src = (u8 *)cdata_chunk->data->data;
464 			dst = (u8 *)cdata->data->data;
465 		}
466 		break;
467 	default:
468 		kfree(cdata_chunk);
469 		return -EINVAL;
470 	}
471 
472 	msg_bytes = cdata->rhdr.hdr.size - hdr_bytes;
473 	payload_size = ipc->max_payload_size - hdr_bytes;
474 	num_msg = DIV_ROUND_UP(msg_bytes, payload_size);
475 
476 	/* copy the header data */
477 	memcpy(cdata_chunk, cdata, hdr_bytes);
478 
479 	/* Serialise IPC TX */
480 	mutex_lock(&sdev->ipc->tx_mutex);
481 
482 	/* copy the payload data in a loop */
483 	for (i = 0; i < num_msg; i++) {
484 		send_bytes = min(msg_bytes, payload_size);
485 		cdata_chunk->num_elems = send_bytes;
486 		cdata_chunk->rhdr.hdr.size = hdr_bytes + send_bytes;
487 		cdata_chunk->msg_index = i;
488 		msg_bytes -= send_bytes;
489 		cdata_chunk->elems_remaining = msg_bytes;
490 
491 		if (set)
492 			memcpy(dst, src + offset, send_bytes);
493 
494 		ret = ipc3_tx_msg_unlocked(sdev->ipc,
495 					   cdata_chunk, cdata_chunk->rhdr.hdr.size,
496 					   cdata_chunk, cdata_chunk->rhdr.hdr.size);
497 		if (ret < 0)
498 			break;
499 
500 		if (!set)
501 			memcpy(dst + offset, src, send_bytes);
502 
503 		offset += payload_size;
504 	}
505 
506 	if (sof_debug_check_flag(SOF_DBG_DUMP_IPC_MESSAGE_PAYLOAD)) {
507 		size_t header_bytes = sizeof(struct sof_ipc_reply);
508 		char *payload = (char *)cdata;
509 
510 		payload += header_bytes;
511 		sof_ipc3_dump_payload(sdev, payload, data_bytes - header_bytes);
512 	}
513 
514 	mutex_unlock(&sdev->ipc->tx_mutex);
515 
516 	kfree(cdata_chunk);
517 
518 	return ret;
519 }
520 
sof_ipc3_get_ext_windows(struct snd_sof_dev * sdev,const struct sof_ipc_ext_data_hdr * ext_hdr)521 int sof_ipc3_get_ext_windows(struct snd_sof_dev *sdev,
522 			     const struct sof_ipc_ext_data_hdr *ext_hdr)
523 {
524 	const struct sof_ipc_window *w =
525 		container_of(ext_hdr, struct sof_ipc_window, ext_hdr);
526 
527 	if (w->num_windows == 0 || w->num_windows > SOF_IPC_MAX_ELEMS)
528 		return -EINVAL;
529 
530 	if (sdev->info_window) {
531 		if (memcmp(sdev->info_window, w, ext_hdr->hdr.size)) {
532 			dev_err(sdev->dev, "mismatch between window descriptor from extended manifest and mailbox");
533 			return -EINVAL;
534 		}
535 		return 0;
536 	}
537 
538 	/* keep a local copy of the data */
539 	sdev->info_window = devm_kmemdup(sdev->dev, w, ext_hdr->hdr.size, GFP_KERNEL);
540 	if (!sdev->info_window)
541 		return -ENOMEM;
542 
543 	return 0;
544 }
545 
sof_ipc3_get_cc_info(struct snd_sof_dev * sdev,const struct sof_ipc_ext_data_hdr * ext_hdr)546 int sof_ipc3_get_cc_info(struct snd_sof_dev *sdev,
547 			 const struct sof_ipc_ext_data_hdr *ext_hdr)
548 {
549 	int ret;
550 
551 	const struct sof_ipc_cc_version *cc =
552 		container_of(ext_hdr, struct sof_ipc_cc_version, ext_hdr);
553 
554 	if (sdev->cc_version) {
555 		if (memcmp(sdev->cc_version, cc, cc->ext_hdr.hdr.size)) {
556 			dev_err(sdev->dev,
557 				"Receive diverged cc_version descriptions");
558 			return -EINVAL;
559 		}
560 		return 0;
561 	}
562 
563 	dev_dbg(sdev->dev,
564 		"Firmware info: used compiler %s %d:%d:%d%s used optimization flags %s\n",
565 		cc->name, cc->major, cc->minor, cc->micro, cc->desc, cc->optim);
566 
567 	/* create read-only cc_version debugfs to store compiler version info */
568 	/* use local copy of the cc_version to prevent data corruption */
569 	if (sdev->first_boot) {
570 		sdev->cc_version = devm_kmemdup(sdev->dev, cc, cc->ext_hdr.hdr.size, GFP_KERNEL);
571 		if (!sdev->cc_version)
572 			return -ENOMEM;
573 
574 		ret = snd_sof_debugfs_buf_item(sdev, sdev->cc_version,
575 					       cc->ext_hdr.hdr.size,
576 					       "cc_version", 0444);
577 
578 		/* errors are only due to memory allocation, not debugfs */
579 		if (ret < 0) {
580 			dev_err(sdev->dev, "snd_sof_debugfs_buf_item failed\n");
581 			return ret;
582 		}
583 	}
584 
585 	return 0;
586 }
587 
588 /* parse the extended FW boot data structures from FW boot message */
ipc3_fw_parse_ext_data(struct snd_sof_dev * sdev,u32 offset)589 static int ipc3_fw_parse_ext_data(struct snd_sof_dev *sdev, u32 offset)
590 {
591 	struct sof_ipc_ext_data_hdr *ext_hdr;
592 	void *ext_data;
593 	int ret = 0;
594 
595 	ext_data = kzalloc(PAGE_SIZE, GFP_KERNEL);
596 	if (!ext_data)
597 		return -ENOMEM;
598 
599 	/* get first header */
600 	snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset, ext_data,
601 			       sizeof(*ext_hdr));
602 	ext_hdr = ext_data;
603 
604 	while (ext_hdr->hdr.cmd == SOF_IPC_FW_READY) {
605 		/* read in ext structure */
606 		snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM,
607 				       offset + sizeof(*ext_hdr),
608 				       (void *)((u8 *)ext_data + sizeof(*ext_hdr)),
609 				       ext_hdr->hdr.size - sizeof(*ext_hdr));
610 
611 		dev_dbg(sdev->dev, "found ext header type %d size 0x%x\n",
612 			ext_hdr->type, ext_hdr->hdr.size);
613 
614 		/* process structure data */
615 		switch (ext_hdr->type) {
616 		case SOF_IPC_EXT_WINDOW:
617 			ret = sof_ipc3_get_ext_windows(sdev, ext_hdr);
618 			break;
619 		case SOF_IPC_EXT_CC_INFO:
620 			ret = sof_ipc3_get_cc_info(sdev, ext_hdr);
621 			break;
622 		case SOF_IPC_EXT_UNUSED:
623 		case SOF_IPC_EXT_PROBE_INFO:
624 		case SOF_IPC_EXT_USER_ABI_INFO:
625 			/* They are supported but we don't do anything here */
626 			break;
627 		default:
628 			dev_info(sdev->dev, "unknown ext header type %d size 0x%x\n",
629 				 ext_hdr->type, ext_hdr->hdr.size);
630 			ret = 0;
631 			break;
632 		}
633 
634 		if (ret < 0) {
635 			dev_err(sdev->dev, "Failed to parse ext data type %d\n",
636 				ext_hdr->type);
637 			break;
638 		}
639 
640 		/* move to next header */
641 		offset += ext_hdr->hdr.size;
642 		snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset, ext_data,
643 				       sizeof(*ext_hdr));
644 		ext_hdr = ext_data;
645 	}
646 
647 	kfree(ext_data);
648 	return ret;
649 }
650 
ipc3_get_windows(struct snd_sof_dev * sdev)651 static void ipc3_get_windows(struct snd_sof_dev *sdev)
652 {
653 	struct sof_ipc_window_elem *elem;
654 	u32 outbox_offset = 0;
655 	u32 stream_offset = 0;
656 	u32 inbox_offset = 0;
657 	u32 outbox_size = 0;
658 	u32 stream_size = 0;
659 	u32 inbox_size = 0;
660 	u32 debug_size = 0;
661 	u32 debug_offset = 0;
662 	int window_offset;
663 	int i;
664 
665 	if (!sdev->info_window) {
666 		dev_err(sdev->dev, "%s: No window info present\n", __func__);
667 		return;
668 	}
669 
670 	for (i = 0; i < sdev->info_window->num_windows; i++) {
671 		elem = &sdev->info_window->window[i];
672 
673 		window_offset = snd_sof_dsp_get_window_offset(sdev, elem->id);
674 		if (window_offset < 0) {
675 			dev_warn(sdev->dev, "No offset for window %d\n", elem->id);
676 			continue;
677 		}
678 
679 		switch (elem->type) {
680 		case SOF_IPC_REGION_UPBOX:
681 			inbox_offset = window_offset + elem->offset;
682 			inbox_size = elem->size;
683 			snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM,
684 							inbox_offset,
685 							elem->size, "inbox",
686 							SOF_DEBUGFS_ACCESS_D0_ONLY);
687 			break;
688 		case SOF_IPC_REGION_DOWNBOX:
689 			outbox_offset = window_offset + elem->offset;
690 			outbox_size = elem->size;
691 			snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM,
692 							outbox_offset,
693 							elem->size, "outbox",
694 							SOF_DEBUGFS_ACCESS_D0_ONLY);
695 			break;
696 		case SOF_IPC_REGION_TRACE:
697 			snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM,
698 							window_offset + elem->offset,
699 							elem->size, "etrace",
700 							SOF_DEBUGFS_ACCESS_D0_ONLY);
701 			break;
702 		case SOF_IPC_REGION_DEBUG:
703 			debug_offset = window_offset + elem->offset;
704 			debug_size = elem->size;
705 			snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM,
706 							window_offset + elem->offset,
707 							elem->size, "debug",
708 							SOF_DEBUGFS_ACCESS_D0_ONLY);
709 			break;
710 		case SOF_IPC_REGION_STREAM:
711 			stream_offset = window_offset + elem->offset;
712 			stream_size = elem->size;
713 			snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM,
714 							stream_offset,
715 							elem->size, "stream",
716 							SOF_DEBUGFS_ACCESS_D0_ONLY);
717 			break;
718 		case SOF_IPC_REGION_REGS:
719 			snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM,
720 							window_offset + elem->offset,
721 							elem->size, "regs",
722 							SOF_DEBUGFS_ACCESS_D0_ONLY);
723 			break;
724 		case SOF_IPC_REGION_EXCEPTION:
725 			sdev->dsp_oops_offset = window_offset + elem->offset;
726 			snd_sof_debugfs_add_region_item(sdev, SOF_FW_BLK_TYPE_SRAM,
727 							window_offset + elem->offset,
728 							elem->size, "exception",
729 							SOF_DEBUGFS_ACCESS_D0_ONLY);
730 			break;
731 		default:
732 			dev_err(sdev->dev, "%s: Illegal window info: %u\n",
733 				__func__, elem->type);
734 			return;
735 		}
736 	}
737 
738 	if (outbox_size == 0 || inbox_size == 0) {
739 		dev_err(sdev->dev, "%s: Illegal mailbox window\n", __func__);
740 		return;
741 	}
742 
743 	sdev->dsp_box.offset = inbox_offset;
744 	sdev->dsp_box.size = inbox_size;
745 
746 	sdev->host_box.offset = outbox_offset;
747 	sdev->host_box.size = outbox_size;
748 
749 	sdev->stream_box.offset = stream_offset;
750 	sdev->stream_box.size = stream_size;
751 
752 	sdev->debug_box.offset = debug_offset;
753 	sdev->debug_box.size = debug_size;
754 
755 	dev_dbg(sdev->dev, " mailbox upstream 0x%x - size 0x%x\n",
756 		inbox_offset, inbox_size);
757 	dev_dbg(sdev->dev, " mailbox downstream 0x%x - size 0x%x\n",
758 		outbox_offset, outbox_size);
759 	dev_dbg(sdev->dev, " stream region 0x%x - size 0x%x\n",
760 		stream_offset, stream_size);
761 	dev_dbg(sdev->dev, " debug region 0x%x - size 0x%x\n",
762 		debug_offset, debug_size);
763 }
764 
ipc3_init_reply_data_buffer(struct snd_sof_dev * sdev)765 static int ipc3_init_reply_data_buffer(struct snd_sof_dev *sdev)
766 {
767 	struct snd_sof_ipc_msg *msg = &sdev->ipc->msg;
768 
769 	msg->reply_data = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
770 	if (!msg->reply_data)
771 		return -ENOMEM;
772 
773 	sdev->ipc->max_payload_size = SOF_IPC_MSG_MAX_SIZE;
774 
775 	return 0;
776 }
777 
sof_ipc3_validate_fw_version(struct snd_sof_dev * sdev)778 int sof_ipc3_validate_fw_version(struct snd_sof_dev *sdev)
779 {
780 	struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
781 	struct sof_ipc_fw_version *v = &ready->version;
782 
783 	dev_info(sdev->dev,
784 		 "Firmware info: version %d:%d:%d-%s\n",  v->major, v->minor,
785 		 v->micro, v->tag);
786 	dev_info(sdev->dev,
787 		 "Firmware: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
788 		 SOF_ABI_VERSION_MAJOR(v->abi_version),
789 		 SOF_ABI_VERSION_MINOR(v->abi_version),
790 		 SOF_ABI_VERSION_PATCH(v->abi_version),
791 		 SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_PATCH);
792 
793 	if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, v->abi_version)) {
794 		dev_err(sdev->dev, "incompatible FW ABI version\n");
795 		return -EINVAL;
796 	}
797 
798 	if (IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS) &&
799 	    SOF_ABI_VERSION_MINOR(v->abi_version) > SOF_ABI_MINOR) {
800 		dev_err(sdev->dev, "FW ABI is more recent than kernel\n");
801 		return -EINVAL;
802 	}
803 
804 	if (ready->flags & SOF_IPC_INFO_BUILD) {
805 		dev_info(sdev->dev,
806 			 "Firmware debug build %d on %s-%s - options:\n"
807 			 " GDB: %s\n"
808 			 " lock debug: %s\n"
809 			 " lock vdebug: %s\n",
810 			 v->build, v->date, v->time,
811 			 (ready->flags & SOF_IPC_INFO_GDB) ?
812 				"enabled" : "disabled",
813 			 (ready->flags & SOF_IPC_INFO_LOCKS) ?
814 				"enabled" : "disabled",
815 			 (ready->flags & SOF_IPC_INFO_LOCKSV) ?
816 				"enabled" : "disabled");
817 	}
818 
819 	/* copy the fw_version into debugfs at first boot */
820 	memcpy(&sdev->fw_version, v, sizeof(*v));
821 
822 	return 0;
823 }
824 
ipc3_fw_ready(struct snd_sof_dev * sdev,u32 cmd)825 static int ipc3_fw_ready(struct snd_sof_dev *sdev, u32 cmd)
826 {
827 	struct sof_ipc_fw_ready *fw_ready = &sdev->fw_ready;
828 	int offset;
829 	int ret;
830 
831 	/* mailbox must be on 4k boundary */
832 	offset = snd_sof_dsp_get_mailbox_offset(sdev);
833 	if (offset < 0) {
834 		dev_err(sdev->dev, "%s: no mailbox offset\n", __func__);
835 		return offset;
836 	}
837 
838 	dev_dbg(sdev->dev, "DSP is ready 0x%8.8x offset 0x%x\n", cmd, offset);
839 
840 	/* no need to re-check version/ABI for subsequent boots */
841 	if (!sdev->first_boot)
842 		return 0;
843 
844 	/*
845 	 * copy data from the DSP FW ready offset
846 	 * Subsequent error handling is not needed for BLK_TYPE_SRAM
847 	 */
848 	ret = snd_sof_dsp_block_read(sdev, SOF_FW_BLK_TYPE_SRAM, offset, fw_ready,
849 				     sizeof(*fw_ready));
850 	if (ret) {
851 		dev_err(sdev->dev,
852 			"Unable to read fw_ready, read from TYPE_SRAM failed\n");
853 		return ret;
854 	}
855 
856 	/* make sure ABI version is compatible */
857 	ret = sof_ipc3_validate_fw_version(sdev);
858 	if (ret < 0)
859 		return ret;
860 
861 	/* now check for extended data */
862 	ipc3_fw_parse_ext_data(sdev, offset + sizeof(struct sof_ipc_fw_ready));
863 
864 	ipc3_get_windows(sdev);
865 
866 	return ipc3_init_reply_data_buffer(sdev);
867 }
868 
869 /* IPC stream position. */
ipc3_period_elapsed(struct snd_sof_dev * sdev,u32 msg_id)870 static void ipc3_period_elapsed(struct snd_sof_dev *sdev, u32 msg_id)
871 {
872 	struct snd_soc_component *scomp = sdev->component;
873 	struct snd_sof_pcm_stream *stream;
874 	struct sof_ipc_stream_posn posn;
875 	struct snd_sof_pcm *spcm;
876 	int direction, ret;
877 
878 	spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction);
879 	if (!spcm) {
880 		dev_err(sdev->dev, "period elapsed for unknown stream, msg_id %d\n",
881 			msg_id);
882 		return;
883 	}
884 
885 	stream = &spcm->stream[direction];
886 	ret = snd_sof_ipc_msg_data(sdev, stream, &posn, sizeof(posn));
887 	if (ret < 0) {
888 		dev_warn(sdev->dev, "failed to read stream position: %d\n", ret);
889 		return;
890 	}
891 
892 	trace_sof_ipc3_period_elapsed_position(sdev, &posn);
893 
894 	memcpy(&stream->posn, &posn, sizeof(posn));
895 
896 	if (spcm->pcm.compress)
897 		snd_sof_compr_fragment_elapsed(stream->cstream);
898 	else if (stream->substream->runtime &&
899 		 !stream->substream->runtime->no_period_wakeup)
900 		/* only inform ALSA for period_wakeup mode */
901 		snd_sof_pcm_period_elapsed(stream->substream);
902 }
903 
904 /* DSP notifies host of an XRUN within FW */
ipc3_xrun(struct snd_sof_dev * sdev,u32 msg_id)905 static void ipc3_xrun(struct snd_sof_dev *sdev, u32 msg_id)
906 {
907 	struct snd_soc_component *scomp = sdev->component;
908 	struct snd_sof_pcm_stream *stream;
909 	struct sof_ipc_stream_posn posn;
910 	struct snd_sof_pcm *spcm;
911 	int direction, ret;
912 
913 	spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction);
914 	if (!spcm) {
915 		dev_err(sdev->dev, "XRUN for unknown stream, msg_id %d\n",
916 			msg_id);
917 		return;
918 	}
919 
920 	stream = &spcm->stream[direction];
921 	ret = snd_sof_ipc_msg_data(sdev, stream, &posn, sizeof(posn));
922 	if (ret < 0) {
923 		dev_warn(sdev->dev, "failed to read overrun position: %d\n", ret);
924 		return;
925 	}
926 
927 	dev_dbg(sdev->dev,  "posn XRUN: host %llx comp %d size %d\n",
928 		posn.host_posn, posn.xrun_comp_id, posn.xrun_size);
929 
930 #if defined(CONFIG_SND_SOC_SOF_DEBUG_XRUN_STOP)
931 	/* stop PCM on XRUN - used for pipeline debug */
932 	memcpy(&stream->posn, &posn, sizeof(posn));
933 	snd_pcm_stop_xrun(stream->substream);
934 #endif
935 }
936 
937 /* stream notifications from firmware */
ipc3_stream_message(struct snd_sof_dev * sdev,void * msg_buf)938 static void ipc3_stream_message(struct snd_sof_dev *sdev, void *msg_buf)
939 {
940 	struct sof_ipc_cmd_hdr *hdr = msg_buf;
941 	u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK;
942 	u32 msg_id = SOF_IPC_MESSAGE_ID(hdr->cmd);
943 
944 	switch (msg_type) {
945 	case SOF_IPC_STREAM_POSITION:
946 		ipc3_period_elapsed(sdev, msg_id);
947 		break;
948 	case SOF_IPC_STREAM_TRIG_XRUN:
949 		ipc3_xrun(sdev, msg_id);
950 		break;
951 	default:
952 		dev_err(sdev->dev, "unhandled stream message %#x\n",
953 			msg_id);
954 		break;
955 	}
956 }
957 
958 /* component notifications from firmware */
ipc3_comp_notification(struct snd_sof_dev * sdev,void * msg_buf)959 static void ipc3_comp_notification(struct snd_sof_dev *sdev, void *msg_buf)
960 {
961 	const struct sof_ipc_tplg_ops *tplg_ops = sdev->ipc->ops->tplg;
962 	struct sof_ipc_cmd_hdr *hdr = msg_buf;
963 	u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK;
964 
965 	switch (msg_type) {
966 	case SOF_IPC_COMP_GET_VALUE:
967 	case SOF_IPC_COMP_GET_DATA:
968 		break;
969 	default:
970 		dev_err(sdev->dev, "unhandled component message %#x\n", msg_type);
971 		return;
972 	}
973 
974 	if (tplg_ops->control->update)
975 		tplg_ops->control->update(sdev, msg_buf);
976 }
977 
ipc3_trace_message(struct snd_sof_dev * sdev,void * msg_buf)978 static void ipc3_trace_message(struct snd_sof_dev *sdev, void *msg_buf)
979 {
980 	struct sof_ipc_cmd_hdr *hdr = msg_buf;
981 	u32 msg_type = hdr->cmd & SOF_CMD_TYPE_MASK;
982 
983 	switch (msg_type) {
984 	case SOF_IPC_TRACE_DMA_POSITION:
985 		ipc3_dtrace_posn_update(sdev, msg_buf);
986 		break;
987 	default:
988 		dev_err(sdev->dev, "unhandled trace message %#x\n", msg_type);
989 		break;
990 	}
991 }
992 
sof_ipc3_do_rx_work(struct snd_sof_dev * sdev,struct sof_ipc_cmd_hdr * hdr,void * msg_buf)993 void sof_ipc3_do_rx_work(struct snd_sof_dev *sdev, struct sof_ipc_cmd_hdr *hdr, void *msg_buf)
994 {
995 	ipc3_rx_callback rx_callback = NULL;
996 	u32 cmd;
997 	int err;
998 
999 	ipc3_log_header(sdev->dev, "ipc rx", hdr->cmd);
1000 
1001 	if (hdr->size < sizeof(*hdr) || hdr->size > SOF_IPC_MSG_MAX_SIZE) {
1002 		dev_err(sdev->dev, "The received message size is invalid: %u\n",
1003 			hdr->size);
1004 		return;
1005 	}
1006 
1007 	cmd = hdr->cmd & SOF_GLB_TYPE_MASK;
1008 
1009 	/* check message type */
1010 	switch (cmd) {
1011 	case SOF_IPC_GLB_REPLY:
1012 		dev_err(sdev->dev, "ipc reply unknown\n");
1013 		break;
1014 	case SOF_IPC_FW_READY:
1015 		/* check for FW boot completion */
1016 		if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) {
1017 			err = ipc3_fw_ready(sdev, cmd);
1018 			if (err < 0)
1019 				sof_set_fw_state(sdev, SOF_FW_BOOT_READY_FAILED);
1020 			else
1021 				sof_set_fw_state(sdev, SOF_FW_BOOT_READY_OK);
1022 
1023 			/* wake up firmware loader */
1024 			wake_up(&sdev->boot_wait);
1025 		}
1026 		break;
1027 	case SOF_IPC_GLB_COMPOUND:
1028 	case SOF_IPC_GLB_TPLG_MSG:
1029 	case SOF_IPC_GLB_PM_MSG:
1030 		break;
1031 	case SOF_IPC_GLB_COMP_MSG:
1032 		rx_callback = ipc3_comp_notification;
1033 		break;
1034 	case SOF_IPC_GLB_STREAM_MSG:
1035 		rx_callback = ipc3_stream_message;
1036 		break;
1037 	case SOF_IPC_GLB_TRACE_MSG:
1038 		rx_callback = ipc3_trace_message;
1039 		break;
1040 	default:
1041 		dev_err(sdev->dev, "%s: Unknown DSP message: 0x%x\n", __func__, cmd);
1042 		break;
1043 	}
1044 
1045 	/* Call local handler for the message */
1046 	if (rx_callback)
1047 		rx_callback(sdev, msg_buf);
1048 
1049 	/* Notify registered clients */
1050 	sof_client_ipc_rx_dispatcher(sdev, msg_buf);
1051 
1052 	ipc3_log_header(sdev->dev, "ipc rx done", hdr->cmd);
1053 }
1054 EXPORT_SYMBOL(sof_ipc3_do_rx_work);
1055 
1056 /* DSP firmware has sent host a message  */
sof_ipc3_rx_msg(struct snd_sof_dev * sdev)1057 static void sof_ipc3_rx_msg(struct snd_sof_dev *sdev)
1058 {
1059 	struct sof_ipc_cmd_hdr hdr;
1060 	void *msg_buf;
1061 	int err;
1062 
1063 	/* read back header */
1064 	err = snd_sof_ipc_msg_data(sdev, NULL, &hdr, sizeof(hdr));
1065 	if (err < 0) {
1066 		dev_warn(sdev->dev, "failed to read IPC header: %d\n", err);
1067 		return;
1068 	}
1069 
1070 	if (hdr.size < sizeof(hdr) || hdr.size > SOF_IPC_MSG_MAX_SIZE) {
1071 		dev_err(sdev->dev, "The received message size is invalid\n");
1072 		return;
1073 	}
1074 
1075 	/* read the full message */
1076 	msg_buf = kmalloc(hdr.size, GFP_KERNEL);
1077 	if (!msg_buf)
1078 		return;
1079 
1080 	err = snd_sof_ipc_msg_data(sdev, NULL, msg_buf, hdr.size);
1081 	if (err < 0) {
1082 		dev_err(sdev->dev, "%s: Failed to read message: %d\n", __func__, err);
1083 		kfree(msg_buf);
1084 		return;
1085 	}
1086 
1087 	sof_ipc3_do_rx_work(sdev, &hdr, msg_buf);
1088 
1089 	kfree(msg_buf);
1090 }
1091 
sof_ipc3_set_core_state(struct snd_sof_dev * sdev,int core_idx,bool on)1092 static int sof_ipc3_set_core_state(struct snd_sof_dev *sdev, int core_idx, bool on)
1093 {
1094 	struct sof_ipc_pm_core_config core_cfg = {
1095 		.hdr.size = sizeof(core_cfg),
1096 		.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_CORE_ENABLE,
1097 	};
1098 
1099 	if (on)
1100 		core_cfg.enable_mask = sdev->enabled_cores_mask | BIT(core_idx);
1101 	else
1102 		core_cfg.enable_mask = sdev->enabled_cores_mask & ~BIT(core_idx);
1103 
1104 	return sof_ipc3_tx_msg(sdev, &core_cfg, sizeof(core_cfg), NULL, 0, false);
1105 }
1106 
sof_ipc3_ctx_ipc(struct snd_sof_dev * sdev,int cmd)1107 static int sof_ipc3_ctx_ipc(struct snd_sof_dev *sdev, int cmd)
1108 {
1109 	struct sof_ipc_pm_ctx pm_ctx = {
1110 		.hdr.size = sizeof(pm_ctx),
1111 		.hdr.cmd = SOF_IPC_GLB_PM_MSG | cmd,
1112 	};
1113 
1114 	/* send ctx save ipc to dsp */
1115 	return sof_ipc3_tx_msg(sdev, &pm_ctx, sizeof(pm_ctx), NULL, 0, false);
1116 }
1117 
sof_ipc3_ctx_save(struct snd_sof_dev * sdev)1118 static int sof_ipc3_ctx_save(struct snd_sof_dev *sdev)
1119 {
1120 	return sof_ipc3_ctx_ipc(sdev, SOF_IPC_PM_CTX_SAVE);
1121 }
1122 
sof_ipc3_ctx_restore(struct snd_sof_dev * sdev)1123 static int sof_ipc3_ctx_restore(struct snd_sof_dev *sdev)
1124 {
1125 	return sof_ipc3_ctx_ipc(sdev, SOF_IPC_PM_CTX_RESTORE);
1126 }
1127 
sof_ipc3_set_pm_gate(struct snd_sof_dev * sdev,u32 flags)1128 static int sof_ipc3_set_pm_gate(struct snd_sof_dev *sdev, u32 flags)
1129 {
1130 	struct sof_ipc_pm_gate pm_gate;
1131 
1132 	memset(&pm_gate, 0, sizeof(pm_gate));
1133 
1134 	/* configure pm_gate ipc message */
1135 	pm_gate.hdr.size = sizeof(pm_gate);
1136 	pm_gate.hdr.cmd = SOF_IPC_GLB_PM_MSG | SOF_IPC_PM_GATE;
1137 	pm_gate.flags = flags;
1138 
1139 	/* send pm_gate ipc to dsp */
1140 	return sof_ipc_tx_message_no_pm_no_reply(sdev->ipc, &pm_gate, sizeof(pm_gate));
1141 }
1142 
1143 static const struct sof_ipc_pm_ops ipc3_pm_ops = {
1144 	.ctx_save = sof_ipc3_ctx_save,
1145 	.ctx_restore = sof_ipc3_ctx_restore,
1146 	.set_core_state = sof_ipc3_set_core_state,
1147 	.set_pm_gate = sof_ipc3_set_pm_gate,
1148 };
1149 
1150 const struct sof_ipc_ops ipc3_ops = {
1151 	.tplg = &ipc3_tplg_ops,
1152 	.pm = &ipc3_pm_ops,
1153 	.pcm = &ipc3_pcm_ops,
1154 	.fw_loader = &ipc3_loader_ops,
1155 	.fw_tracing = &ipc3_dtrace_ops,
1156 
1157 	.tx_msg = sof_ipc3_tx_msg,
1158 	.rx_msg = sof_ipc3_rx_msg,
1159 	.set_get_data = sof_ipc3_set_get_data,
1160 	.get_reply = sof_ipc3_get_reply,
1161 };
1162