1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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.
6 // Copyright(c) 2018 Intel Corporation. All rights reserved.
8 // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com>
10 // Generic IPC layer that can work over MMIO and SPI/I2C. PHY layer provided
11 // by platform driver code.
14 #include <linux/mutex.h>
15 #include <linux/types.h>
18 #include "sof-audio.h"
21 static void ipc_trace_message(struct snd_sof_dev *sdev, u32 msg_id);
22 static void ipc_stream_message(struct snd_sof_dev *sdev, u32 msg_cmd);
25 * IPC message Tx/Rx message handling.
28 /* SOF generic IPC data */
30 struct snd_sof_dev *sdev;
32 /* protects messages and the disable flag */
33 struct mutex tx_mutex;
34 /* disables further sending of ipc's */
37 struct snd_sof_ipc_msg msg;
40 struct sof_ipc_ctrl_data_params {
50 #if IS_ENABLED(CONFIG_SND_SOC_SOF_DEBUG_VERBOSE_IPC)
51 static void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
58 glb = cmd & SOF_GLB_TYPE_MASK;
59 type = cmd & SOF_CMD_TYPE_MASK;
62 case SOF_IPC_GLB_REPLY:
63 str = "GLB_REPLY"; break;
64 case SOF_IPC_GLB_COMPOUND:
65 str = "GLB_COMPOUND"; break;
66 case SOF_IPC_GLB_TPLG_MSG:
69 case SOF_IPC_TPLG_COMP_NEW:
70 str2 = "COMP_NEW"; break;
71 case SOF_IPC_TPLG_COMP_FREE:
72 str2 = "COMP_FREE"; break;
73 case SOF_IPC_TPLG_COMP_CONNECT:
74 str2 = "COMP_CONNECT"; break;
75 case SOF_IPC_TPLG_PIPE_NEW:
76 str2 = "PIPE_NEW"; break;
77 case SOF_IPC_TPLG_PIPE_FREE:
78 str2 = "PIPE_FREE"; break;
79 case SOF_IPC_TPLG_PIPE_CONNECT:
80 str2 = "PIPE_CONNECT"; break;
81 case SOF_IPC_TPLG_PIPE_COMPLETE:
82 str2 = "PIPE_COMPLETE"; break;
83 case SOF_IPC_TPLG_BUFFER_NEW:
84 str2 = "BUFFER_NEW"; break;
85 case SOF_IPC_TPLG_BUFFER_FREE:
86 str2 = "BUFFER_FREE"; break;
88 str2 = "unknown type"; break;
91 case SOF_IPC_GLB_PM_MSG:
94 case SOF_IPC_PM_CTX_SAVE:
95 str2 = "CTX_SAVE"; break;
96 case SOF_IPC_PM_CTX_RESTORE:
97 str2 = "CTX_RESTORE"; break;
98 case SOF_IPC_PM_CTX_SIZE:
99 str2 = "CTX_SIZE"; break;
100 case SOF_IPC_PM_CLK_SET:
101 str2 = "CLK_SET"; break;
102 case SOF_IPC_PM_CLK_GET:
103 str2 = "CLK_GET"; break;
104 case SOF_IPC_PM_CLK_REQ:
105 str2 = "CLK_REQ"; break;
106 case SOF_IPC_PM_CORE_ENABLE:
107 str2 = "CORE_ENABLE"; break;
109 str2 = "unknown type"; break;
112 case SOF_IPC_GLB_COMP_MSG:
113 str = "GLB_COMP_MSG";
115 case SOF_IPC_COMP_SET_VALUE:
116 str2 = "SET_VALUE"; break;
117 case SOF_IPC_COMP_GET_VALUE:
118 str2 = "GET_VALUE"; break;
119 case SOF_IPC_COMP_SET_DATA:
120 str2 = "SET_DATA"; break;
121 case SOF_IPC_COMP_GET_DATA:
122 str2 = "GET_DATA"; break;
124 str2 = "unknown type"; break;
127 case SOF_IPC_GLB_STREAM_MSG:
128 str = "GLB_STREAM_MSG";
130 case SOF_IPC_STREAM_PCM_PARAMS:
131 str2 = "PCM_PARAMS"; break;
132 case SOF_IPC_STREAM_PCM_PARAMS_REPLY:
133 str2 = "PCM_REPLY"; break;
134 case SOF_IPC_STREAM_PCM_FREE:
135 str2 = "PCM_FREE"; break;
136 case SOF_IPC_STREAM_TRIG_START:
137 str2 = "TRIG_START"; break;
138 case SOF_IPC_STREAM_TRIG_STOP:
139 str2 = "TRIG_STOP"; break;
140 case SOF_IPC_STREAM_TRIG_PAUSE:
141 str2 = "TRIG_PAUSE"; break;
142 case SOF_IPC_STREAM_TRIG_RELEASE:
143 str2 = "TRIG_RELEASE"; break;
144 case SOF_IPC_STREAM_TRIG_DRAIN:
145 str2 = "TRIG_DRAIN"; break;
146 case SOF_IPC_STREAM_TRIG_XRUN:
147 str2 = "TRIG_XRUN"; break;
148 case SOF_IPC_STREAM_POSITION:
149 str2 = "POSITION"; break;
150 case SOF_IPC_STREAM_VORBIS_PARAMS:
151 str2 = "VORBIS_PARAMS"; break;
152 case SOF_IPC_STREAM_VORBIS_FREE:
153 str2 = "VORBIS_FREE"; break;
155 str2 = "unknown type"; break;
158 case SOF_IPC_FW_READY:
159 str = "FW_READY"; break;
160 case SOF_IPC_GLB_DAI_MSG:
163 case SOF_IPC_DAI_CONFIG:
164 str2 = "CONFIG"; break;
165 case SOF_IPC_DAI_LOOPBACK:
166 str2 = "LOOPBACK"; break;
168 str2 = "unknown type"; break;
171 case SOF_IPC_GLB_TRACE_MSG:
172 str = "GLB_TRACE_MSG"; break;
173 case SOF_IPC_GLB_TEST_MSG:
174 str = "GLB_TEST_MSG";
176 case SOF_IPC_TEST_IPC_FLOOD:
177 str2 = "IPC_FLOOD"; break;
179 str2 = "unknown type"; break;
183 str = "unknown GLB command"; break;
187 dev_dbg(dev, "%s: 0x%x: %s: %s\n", text, cmd, str, str2);
189 dev_dbg(dev, "%s: 0x%x: %s\n", text, cmd, str);
192 static inline void ipc_log_header(struct device *dev, u8 *text, u32 cmd)
194 if ((cmd & SOF_GLB_TYPE_MASK) != SOF_IPC_GLB_TRACE_MSG)
195 dev_dbg(dev, "%s: 0x%x\n", text, cmd);
199 /* wait for IPC message reply */
200 static int tx_wait_done(struct snd_sof_ipc *ipc, struct snd_sof_ipc_msg *msg,
203 struct snd_sof_dev *sdev = ipc->sdev;
204 struct sof_ipc_cmd_hdr *hdr = msg->msg_data;
207 /* wait for DSP IPC completion */
208 ret = wait_event_timeout(msg->waitq, msg->ipc_complete,
209 msecs_to_jiffies(sdev->ipc_timeout));
212 dev_err(sdev->dev, "error: ipc timed out for 0x%x size %d\n",
213 hdr->cmd, hdr->size);
214 snd_sof_handle_fw_exception(ipc->sdev);
217 ret = msg->reply_error;
219 dev_err(sdev->dev, "error: ipc error for 0x%x size %zu\n",
220 hdr->cmd, msg->reply_size);
222 ipc_log_header(sdev->dev, "ipc tx succeeded", hdr->cmd);
224 /* copy the data returned from DSP */
225 memcpy(reply_data, msg->reply_data,
233 /* send IPC message from host to DSP */
234 static int sof_ipc_tx_message_unlocked(struct snd_sof_ipc *ipc, u32 header,
235 void *msg_data, size_t msg_bytes,
236 void *reply_data, size_t reply_bytes)
238 struct snd_sof_dev *sdev = ipc->sdev;
239 struct snd_sof_ipc_msg *msg;
242 if (ipc->disable_ipc_tx)
246 * The spin-lock is also still needed to protect message objects against
247 * other atomic contexts.
249 spin_lock_irq(&sdev->ipc_lock);
251 /* initialise the message */
254 msg->header = header;
255 msg->msg_size = msg_bytes;
256 msg->reply_size = reply_bytes;
257 msg->reply_error = 0;
259 /* attach any data */
261 memcpy(msg->msg_data, msg_data, msg_bytes);
265 ret = snd_sof_dsp_send_msg(sdev, msg);
266 /* Next reply that we receive will be related to this message */
268 msg->ipc_complete = false;
270 spin_unlock_irq(&sdev->ipc_lock);
273 dev_err_ratelimited(sdev->dev,
274 "error: ipc tx failed with error %d\n",
279 ipc_log_header(sdev->dev, "ipc tx", msg->header);
281 /* now wait for completion */
283 ret = tx_wait_done(ipc, msg, reply_data);
288 /* send IPC message from host to DSP */
289 int sof_ipc_tx_message(struct snd_sof_ipc *ipc, u32 header,
290 void *msg_data, size_t msg_bytes, void *reply_data,
293 const struct sof_dsp_power_state target_state = {
294 .state = SOF_DSP_PM_D0,
298 /* ensure the DSP is in D0 before sending a new IPC */
299 ret = snd_sof_dsp_set_power_state(ipc->sdev, &target_state);
301 dev_err(ipc->sdev->dev, "error: resuming DSP %d\n", ret);
305 return sof_ipc_tx_message_no_pm(ipc, header, msg_data, msg_bytes,
306 reply_data, reply_bytes);
308 EXPORT_SYMBOL(sof_ipc_tx_message);
311 * send IPC message from host to DSP without modifying the DSP state.
312 * This will be used for IPC's that can be handled by the DSP
313 * even in a low-power D0 substate.
315 int sof_ipc_tx_message_no_pm(struct snd_sof_ipc *ipc, u32 header,
316 void *msg_data, size_t msg_bytes,
317 void *reply_data, size_t reply_bytes)
321 if (msg_bytes > SOF_IPC_MSG_MAX_SIZE ||
322 reply_bytes > SOF_IPC_MSG_MAX_SIZE)
325 /* Serialise IPC TX */
326 mutex_lock(&ipc->tx_mutex);
328 ret = sof_ipc_tx_message_unlocked(ipc, header, msg_data, msg_bytes,
329 reply_data, reply_bytes);
331 mutex_unlock(&ipc->tx_mutex);
335 EXPORT_SYMBOL(sof_ipc_tx_message_no_pm);
337 /* handle reply message from DSP */
338 void snd_sof_ipc_reply(struct snd_sof_dev *sdev, u32 msg_id)
340 struct snd_sof_ipc_msg *msg = &sdev->ipc->msg;
342 if (msg->ipc_complete) {
344 "no reply expected, received 0x%x, will be ignored",
349 /* wake up and return the error if we have waiters on this message ? */
350 msg->ipc_complete = true;
351 wake_up(&msg->waitq);
353 EXPORT_SYMBOL(snd_sof_ipc_reply);
355 /* DSP firmware has sent host a message */
356 void snd_sof_ipc_msgs_rx(struct snd_sof_dev *sdev)
358 struct sof_ipc_cmd_hdr hdr;
362 /* read back header */
363 snd_sof_ipc_msg_data(sdev, NULL, &hdr, sizeof(hdr));
364 ipc_log_header(sdev->dev, "ipc rx", hdr.cmd);
366 cmd = hdr.cmd & SOF_GLB_TYPE_MASK;
367 type = hdr.cmd & SOF_CMD_TYPE_MASK;
369 /* check message type */
371 case SOF_IPC_GLB_REPLY:
372 dev_err(sdev->dev, "error: ipc reply unknown\n");
374 case SOF_IPC_FW_READY:
375 /* check for FW boot completion */
376 if (sdev->fw_state == SOF_FW_BOOT_IN_PROGRESS) {
377 err = sof_ops(sdev)->fw_ready(sdev, cmd);
379 sdev->fw_state = SOF_FW_BOOT_READY_FAILED;
381 sdev->fw_state = SOF_FW_BOOT_COMPLETE;
383 /* wake up firmware loader */
384 wake_up(&sdev->boot_wait);
387 case SOF_IPC_GLB_COMPOUND:
388 case SOF_IPC_GLB_TPLG_MSG:
389 case SOF_IPC_GLB_PM_MSG:
390 case SOF_IPC_GLB_COMP_MSG:
392 case SOF_IPC_GLB_STREAM_MSG:
393 /* need to pass msg id into the function */
394 ipc_stream_message(sdev, hdr.cmd);
396 case SOF_IPC_GLB_TRACE_MSG:
397 ipc_trace_message(sdev, type);
400 dev_err(sdev->dev, "error: unknown DSP message 0x%x\n", cmd);
404 ipc_log_header(sdev->dev, "ipc rx done", hdr.cmd);
406 EXPORT_SYMBOL(snd_sof_ipc_msgs_rx);
409 * IPC trace mechanism.
412 static void ipc_trace_message(struct snd_sof_dev *sdev, u32 msg_id)
414 struct sof_ipc_dma_trace_posn posn;
417 case SOF_IPC_TRACE_DMA_POSITION:
418 /* read back full message */
419 snd_sof_ipc_msg_data(sdev, NULL, &posn, sizeof(posn));
420 snd_sof_trace_update_pos(sdev, &posn);
423 dev_err(sdev->dev, "error: unhandled trace message %x\n",
430 * IPC stream position.
433 static void ipc_period_elapsed(struct snd_sof_dev *sdev, u32 msg_id)
435 struct snd_soc_component *scomp = sdev->component;
436 struct snd_sof_pcm_stream *stream;
437 struct sof_ipc_stream_posn posn;
438 struct snd_sof_pcm *spcm;
441 spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction);
444 "error: period elapsed for unknown stream, msg_id %d\n",
449 stream = &spcm->stream[direction];
450 snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn));
452 dev_dbg(sdev->dev, "posn : host 0x%llx dai 0x%llx wall 0x%llx\n",
453 posn.host_posn, posn.dai_posn, posn.wallclock);
455 memcpy(&stream->posn, &posn, sizeof(posn));
457 /* only inform ALSA for period_wakeup mode */
458 if (!stream->substream->runtime->no_period_wakeup)
459 snd_sof_pcm_period_elapsed(stream->substream);
462 /* DSP notifies host of an XRUN within FW */
463 static void ipc_xrun(struct snd_sof_dev *sdev, u32 msg_id)
465 struct snd_soc_component *scomp = sdev->component;
466 struct snd_sof_pcm_stream *stream;
467 struct sof_ipc_stream_posn posn;
468 struct snd_sof_pcm *spcm;
471 spcm = snd_sof_find_spcm_comp(scomp, msg_id, &direction);
473 dev_err(sdev->dev, "error: XRUN for unknown stream, msg_id %d\n",
478 stream = &spcm->stream[direction];
479 snd_sof_ipc_msg_data(sdev, stream->substream, &posn, sizeof(posn));
481 dev_dbg(sdev->dev, "posn XRUN: host %llx comp %d size %d\n",
482 posn.host_posn, posn.xrun_comp_id, posn.xrun_size);
484 #if defined(CONFIG_SND_SOC_SOF_DEBUG_XRUN_STOP)
485 /* stop PCM on XRUN - used for pipeline debug */
486 memcpy(&stream->posn, &posn, sizeof(posn));
487 snd_pcm_stop_xrun(stream->substream);
491 /* stream notifications from DSP FW */
492 static void ipc_stream_message(struct snd_sof_dev *sdev, u32 msg_cmd)
494 /* get msg cmd type and msd id */
495 u32 msg_type = msg_cmd & SOF_CMD_TYPE_MASK;
496 u32 msg_id = SOF_IPC_MESSAGE_ID(msg_cmd);
499 case SOF_IPC_STREAM_POSITION:
500 ipc_period_elapsed(sdev, msg_id);
502 case SOF_IPC_STREAM_TRIG_XRUN:
503 ipc_xrun(sdev, msg_id);
506 dev_err(sdev->dev, "error: unhandled stream message %x\n",
512 /* get stream position IPC - use faster MMIO method if available on platform */
513 int snd_sof_ipc_stream_posn(struct snd_soc_component *scomp,
514 struct snd_sof_pcm *spcm, int direction,
515 struct sof_ipc_stream_posn *posn)
517 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
518 struct sof_ipc_stream stream;
521 /* read position via slower IPC */
522 stream.hdr.size = sizeof(stream);
523 stream.hdr.cmd = SOF_IPC_GLB_STREAM_MSG | SOF_IPC_STREAM_POSITION;
524 stream.comp_id = spcm->stream[direction].comp_id;
526 /* send IPC to the DSP */
527 err = sof_ipc_tx_message(sdev->ipc,
528 stream.hdr.cmd, &stream, sizeof(stream), posn,
531 dev_err(sdev->dev, "error: failed to get stream %d position\n",
538 EXPORT_SYMBOL(snd_sof_ipc_stream_posn);
540 static int sof_get_ctrl_copy_params(enum sof_ipc_ctrl_type ctrl_type,
541 struct sof_ipc_ctrl_data *src,
542 struct sof_ipc_ctrl_data *dst,
543 struct sof_ipc_ctrl_data_params *sparams)
546 case SOF_CTRL_TYPE_VALUE_CHAN_GET:
547 case SOF_CTRL_TYPE_VALUE_CHAN_SET:
548 sparams->src = (u8 *)src->chanv;
549 sparams->dst = (u8 *)dst->chanv;
551 case SOF_CTRL_TYPE_VALUE_COMP_GET:
552 case SOF_CTRL_TYPE_VALUE_COMP_SET:
553 sparams->src = (u8 *)src->compv;
554 sparams->dst = (u8 *)dst->compv;
556 case SOF_CTRL_TYPE_DATA_GET:
557 case SOF_CTRL_TYPE_DATA_SET:
558 sparams->src = (u8 *)src->data->data;
559 sparams->dst = (u8 *)dst->data->data;
565 /* calculate payload size and number of messages */
566 sparams->pl_size = SOF_IPC_MSG_MAX_SIZE - sparams->hdr_bytes;
567 sparams->num_msg = DIV_ROUND_UP(sparams->msg_bytes, sparams->pl_size);
572 static int sof_set_get_large_ctrl_data(struct snd_sof_dev *sdev,
573 struct sof_ipc_ctrl_data *cdata,
574 struct sof_ipc_ctrl_data_params *sparams,
577 struct sof_ipc_ctrl_data *partdata;
585 /* allocate max ipc size because we have at least one */
586 partdata = kzalloc(SOF_IPC_MSG_MAX_SIZE, GFP_KERNEL);
591 err = sof_get_ctrl_copy_params(cdata->type, cdata, partdata,
594 err = sof_get_ctrl_copy_params(cdata->type, partdata, cdata,
601 msg_bytes = sparams->msg_bytes;
602 pl_size = sparams->pl_size;
604 /* copy the header data */
605 memcpy(partdata, cdata, sparams->hdr_bytes);
607 /* Serialise IPC TX */
608 mutex_lock(&sdev->ipc->tx_mutex);
610 /* copy the payload data in a loop */
611 for (i = 0; i < sparams->num_msg; i++) {
612 send_bytes = min(msg_bytes, pl_size);
613 partdata->num_elems = send_bytes;
614 partdata->rhdr.hdr.size = sparams->hdr_bytes + send_bytes;
615 partdata->msg_index = i;
616 msg_bytes -= send_bytes;
617 partdata->elems_remaining = msg_bytes;
620 memcpy(sparams->dst, sparams->src + offset, send_bytes);
622 err = sof_ipc_tx_message_unlocked(sdev->ipc,
623 partdata->rhdr.hdr.cmd,
625 partdata->rhdr.hdr.size,
627 partdata->rhdr.hdr.size);
632 memcpy(sparams->dst + offset, sparams->src, send_bytes);
637 mutex_unlock(&sdev->ipc->tx_mutex);
644 * IPC get()/set() for kcontrols.
646 int snd_sof_ipc_set_get_comp_data(struct snd_sof_control *scontrol,
648 enum sof_ipc_ctrl_type ctrl_type,
649 enum sof_ipc_ctrl_cmd ctrl_cmd,
652 struct snd_soc_component *scomp = scontrol->scomp;
653 struct sof_ipc_ctrl_data *cdata = scontrol->control_data;
654 struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
655 struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
656 struct sof_ipc_fw_version *v = &ready->version;
657 struct sof_ipc_ctrl_data_params sparams;
661 /* read or write firmware volume */
662 if (scontrol->readback_offset != 0) {
663 /* write/read value header via mmaped region */
664 send_bytes = sizeof(struct sof_ipc_ctrl_value_chan) *
667 snd_sof_dsp_block_write(sdev, sdev->mmio_bar,
668 scontrol->readback_offset,
669 cdata->chanv, send_bytes);
672 snd_sof_dsp_block_read(sdev, sdev->mmio_bar,
673 scontrol->readback_offset,
674 cdata->chanv, send_bytes);
678 cdata->rhdr.hdr.cmd = SOF_IPC_GLB_COMP_MSG | ipc_cmd;
679 cdata->cmd = ctrl_cmd;
680 cdata->type = ctrl_type;
681 cdata->comp_id = scontrol->comp_id;
682 cdata->msg_index = 0;
684 /* calculate header and data size */
685 switch (cdata->type) {
686 case SOF_CTRL_TYPE_VALUE_CHAN_GET:
687 case SOF_CTRL_TYPE_VALUE_CHAN_SET:
688 sparams.msg_bytes = scontrol->num_channels *
689 sizeof(struct sof_ipc_ctrl_value_chan);
690 sparams.hdr_bytes = sizeof(struct sof_ipc_ctrl_data);
691 sparams.elems = scontrol->num_channels;
693 case SOF_CTRL_TYPE_VALUE_COMP_GET:
694 case SOF_CTRL_TYPE_VALUE_COMP_SET:
695 sparams.msg_bytes = scontrol->num_channels *
696 sizeof(struct sof_ipc_ctrl_value_comp);
697 sparams.hdr_bytes = sizeof(struct sof_ipc_ctrl_data);
698 sparams.elems = scontrol->num_channels;
700 case SOF_CTRL_TYPE_DATA_GET:
701 case SOF_CTRL_TYPE_DATA_SET:
702 sparams.msg_bytes = cdata->data->size;
703 sparams.hdr_bytes = sizeof(struct sof_ipc_ctrl_data) +
704 sizeof(struct sof_abi_hdr);
705 sparams.elems = cdata->data->size;
711 cdata->rhdr.hdr.size = sparams.msg_bytes + sparams.hdr_bytes;
712 cdata->num_elems = sparams.elems;
713 cdata->elems_remaining = 0;
715 /* send normal size ipc in one part */
716 if (cdata->rhdr.hdr.size <= SOF_IPC_MSG_MAX_SIZE) {
717 err = sof_ipc_tx_message(sdev->ipc, cdata->rhdr.hdr.cmd, cdata,
718 cdata->rhdr.hdr.size, cdata,
719 cdata->rhdr.hdr.size);
722 dev_err(sdev->dev, "error: set/get ctrl ipc comp %d\n",
728 /* data is bigger than max ipc size, chop into smaller pieces */
729 dev_dbg(sdev->dev, "large ipc size %u, control size %u\n",
730 cdata->rhdr.hdr.size, scontrol->size);
732 /* large messages is only supported from ABI 3.3.0 onwards */
733 if (v->abi_version < SOF_ABI_VER(3, 3, 0)) {
734 dev_err(sdev->dev, "error: incompatible FW ABI version\n");
738 err = sof_set_get_large_ctrl_data(sdev, cdata, &sparams, send);
741 dev_err(sdev->dev, "error: set/get large ctrl ipc comp %d\n",
746 EXPORT_SYMBOL(snd_sof_ipc_set_get_comp_data);
749 * IPC layer enumeration.
752 int snd_sof_dsp_mailbox_init(struct snd_sof_dev *sdev, u32 dspbox,
753 size_t dspbox_size, u32 hostbox,
756 sdev->dsp_box.offset = dspbox;
757 sdev->dsp_box.size = dspbox_size;
758 sdev->host_box.offset = hostbox;
759 sdev->host_box.size = hostbox_size;
762 EXPORT_SYMBOL(snd_sof_dsp_mailbox_init);
764 int snd_sof_ipc_valid(struct snd_sof_dev *sdev)
766 struct sof_ipc_fw_ready *ready = &sdev->fw_ready;
767 struct sof_ipc_fw_version *v = &ready->version;
770 "Firmware info: version %d:%d:%d-%s\n", v->major, v->minor,
773 "Firmware: ABI %d:%d:%d Kernel ABI %d:%d:%d\n",
774 SOF_ABI_VERSION_MAJOR(v->abi_version),
775 SOF_ABI_VERSION_MINOR(v->abi_version),
776 SOF_ABI_VERSION_PATCH(v->abi_version),
777 SOF_ABI_MAJOR, SOF_ABI_MINOR, SOF_ABI_PATCH);
779 if (SOF_ABI_VERSION_INCOMPATIBLE(SOF_ABI_VERSION, v->abi_version)) {
780 dev_err(sdev->dev, "error: incompatible FW ABI version\n");
784 if (v->abi_version > SOF_ABI_VERSION) {
785 if (!IS_ENABLED(CONFIG_SND_SOC_SOF_STRICT_ABI_CHECKS)) {
786 dev_warn(sdev->dev, "warn: FW ABI is more recent than kernel\n");
788 dev_err(sdev->dev, "error: FW ABI is more recent than kernel\n");
793 if (ready->flags & SOF_IPC_INFO_BUILD) {
795 "Firmware debug build %d on %s-%s - options:\n"
798 " lock vdebug: %s\n",
799 v->build, v->date, v->time,
800 (ready->flags & SOF_IPC_INFO_GDB) ?
801 "enabled" : "disabled",
802 (ready->flags & SOF_IPC_INFO_LOCKS) ?
803 "enabled" : "disabled",
804 (ready->flags & SOF_IPC_INFO_LOCKSV) ?
805 "enabled" : "disabled");
808 /* copy the fw_version into debugfs at first boot */
809 memcpy(&sdev->fw_version, v, sizeof(*v));
813 EXPORT_SYMBOL(snd_sof_ipc_valid);
815 struct snd_sof_ipc *snd_sof_ipc_init(struct snd_sof_dev *sdev)
817 struct snd_sof_ipc *ipc;
818 struct snd_sof_ipc_msg *msg;
820 ipc = devm_kzalloc(sdev->dev, sizeof(*ipc), GFP_KERNEL);
824 mutex_init(&ipc->tx_mutex);
828 /* indicate that we aren't sending a message ATM */
829 msg->ipc_complete = true;
831 /* pre-allocate message data */
832 msg->msg_data = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE,
837 msg->reply_data = devm_kzalloc(sdev->dev, SOF_IPC_MSG_MAX_SIZE,
839 if (!msg->reply_data)
842 init_waitqueue_head(&msg->waitq);
846 EXPORT_SYMBOL(snd_sof_ipc_init);
848 void snd_sof_ipc_free(struct snd_sof_dev *sdev)
850 struct snd_sof_ipc *ipc = sdev->ipc;
855 /* disable sending of ipc's */
856 mutex_lock(&ipc->tx_mutex);
857 ipc->disable_ipc_tx = true;
858 mutex_unlock(&ipc->tx_mutex);
860 EXPORT_SYMBOL(snd_sof_ipc_free);