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
7
8 #include <linux/firmware.h>
9 #include <sound/sof/ext_manifest4.h>
10 #include <sound/sof/ipc4/header.h>
11 #include <trace/events/sof.h>
12 #include "ipc4-priv.h"
13 #include "sof-audio.h"
14 #include "sof-priv.h"
15 #include "ops.h"
16
17 /* The module ID includes the id of the library it is part of at offset 12 */
18 #define SOF_IPC4_MOD_LIB_ID_SHIFT 12
19
sof_ipc4_fw_parse_ext_man(struct snd_sof_dev * sdev,struct sof_ipc4_fw_library * fw_lib)20 static ssize_t sof_ipc4_fw_parse_ext_man(struct snd_sof_dev *sdev,
21 struct sof_ipc4_fw_library *fw_lib)
22 {
23 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
24 const struct firmware *fw = fw_lib->sof_fw.fw;
25 struct sof_man4_fw_binary_header *fw_header;
26 struct sof_ext_manifest4_hdr *ext_man_hdr;
27 struct sof_man4_module_config *fm_config;
28 struct sof_ipc4_fw_module *fw_module;
29 struct sof_man4_module *fm_entry;
30 ssize_t remaining;
31 u32 fw_hdr_offset;
32 int i;
33
34 if (!ipc4_data) {
35 dev_err(sdev->dev, "%s: ipc4_data is not available\n", __func__);
36 return -EINVAL;
37 }
38
39 remaining = fw->size;
40 if (remaining <= sizeof(*ext_man_hdr)) {
41 dev_err(sdev->dev, "Firmware size is too small: %zu\n", remaining);
42 return -EINVAL;
43 }
44
45 ext_man_hdr = (struct sof_ext_manifest4_hdr *)fw->data;
46
47 /*
48 * At the start of the firmware image we must have an extended manifest.
49 * Verify that the magic number is correct.
50 */
51 if (ext_man_hdr->id != SOF_EXT_MAN4_MAGIC_NUMBER) {
52 dev_err(sdev->dev,
53 "Unexpected extended manifest magic number: %#x\n",
54 ext_man_hdr->id);
55 return -EINVAL;
56 }
57
58 fw_hdr_offset = ipc4_data->manifest_fw_hdr_offset;
59 if (!fw_hdr_offset)
60 return -EINVAL;
61
62 if (remaining <= ext_man_hdr->len + fw_hdr_offset + sizeof(*fw_header)) {
63 dev_err(sdev->dev, "Invalid firmware size %zu, should be at least %zu\n",
64 remaining, ext_man_hdr->len + fw_hdr_offset + sizeof(*fw_header));
65 return -EINVAL;
66 }
67
68 fw_header = (struct sof_man4_fw_binary_header *)
69 (fw->data + ext_man_hdr->len + fw_hdr_offset);
70 remaining -= (ext_man_hdr->len + fw_hdr_offset);
71
72 if (remaining <= fw_header->len) {
73 dev_err(sdev->dev, "Invalid fw_header->len %u\n", fw_header->len);
74 return -EINVAL;
75 }
76
77 dev_info(sdev->dev, "Loaded firmware library: %s, version: %u.%u.%u.%u\n",
78 fw_header->name, fw_header->major_version, fw_header->minor_version,
79 fw_header->hotfix_version, fw_header->build_version);
80 dev_dbg(sdev->dev, "Header length: %u, module count: %u\n",
81 fw_header->len, fw_header->num_module_entries);
82
83 /* copy the fw_version of basefw into debugfs at first boot */
84 if (fw == sdev->basefw.fw) {
85 sdev->fw_version.major = fw_header->major_version;
86 sdev->fw_version.minor = fw_header->minor_version;
87 sdev->fw_version.micro = fw_header->hotfix_version;
88 sdev->fw_version.build = fw_header->build_version;
89 }
90
91 fw_lib->modules = devm_kmalloc_array(sdev->dev, fw_header->num_module_entries,
92 sizeof(*fw_module), GFP_KERNEL);
93 if (!fw_lib->modules)
94 return -ENOMEM;
95
96 fw_lib->name = fw_header->name;
97 fw_lib->num_modules = fw_header->num_module_entries;
98 fw_module = fw_lib->modules;
99
100 fm_entry = (struct sof_man4_module *)((u8 *)fw_header + fw_header->len);
101 remaining -= fw_header->len;
102
103 if (remaining < fw_header->num_module_entries * sizeof(*fm_entry)) {
104 dev_err(sdev->dev, "Invalid num_module_entries %u\n",
105 fw_header->num_module_entries);
106 return -EINVAL;
107 }
108
109 fm_config = (struct sof_man4_module_config *)
110 (fm_entry + fw_header->num_module_entries);
111 remaining -= (fw_header->num_module_entries * sizeof(*fm_entry));
112 for (i = 0; i < fw_header->num_module_entries; i++) {
113 memcpy(&fw_module->man4_module_entry, fm_entry, sizeof(*fm_entry));
114
115 if (fm_entry->cfg_count) {
116 if (remaining < (fm_entry->cfg_offset + fm_entry->cfg_count) *
117 sizeof(*fm_config)) {
118 dev_err(sdev->dev, "Invalid module cfg_offset %u\n",
119 fm_entry->cfg_offset);
120 return -EINVAL;
121 }
122
123 fw_module->fw_mod_cfg = &fm_config[fm_entry->cfg_offset];
124
125 dev_dbg(sdev->dev,
126 "module %s: UUID %pUL cfg_count: %u, bss_size: %#x\n",
127 fm_entry->name, &fm_entry->uuid, fm_entry->cfg_count,
128 fm_config[fm_entry->cfg_offset].is_bytes);
129 } else {
130 dev_dbg(sdev->dev, "module %s: UUID %pUL\n", fm_entry->name,
131 &fm_entry->uuid);
132 }
133
134 fw_module->man4_module_entry.id = i;
135 ida_init(&fw_module->m_ida);
136 fw_module->private = NULL;
137
138 fw_module++;
139 fm_entry++;
140 }
141
142 return ext_man_hdr->len;
143 }
144
sof_ipc4_fw_parse_basefw_ext_man(struct snd_sof_dev * sdev)145 static size_t sof_ipc4_fw_parse_basefw_ext_man(struct snd_sof_dev *sdev)
146 {
147 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
148 struct sof_ipc4_fw_library *fw_lib;
149 ssize_t payload_offset;
150 int ret;
151
152 fw_lib = devm_kzalloc(sdev->dev, sizeof(*fw_lib), GFP_KERNEL);
153 if (!fw_lib)
154 return -ENOMEM;
155
156 fw_lib->sof_fw.fw = sdev->basefw.fw;
157
158 payload_offset = sof_ipc4_fw_parse_ext_man(sdev, fw_lib);
159 if (payload_offset > 0) {
160 fw_lib->sof_fw.payload_offset = payload_offset;
161
162 /* basefw ID is 0 */
163 fw_lib->id = 0;
164 ret = xa_insert(&ipc4_data->fw_lib_xa, 0, fw_lib, GFP_KERNEL);
165 if (ret)
166 return ret;
167 }
168
169 return payload_offset;
170 }
171
sof_ipc4_load_library(struct snd_sof_dev * sdev,unsigned long lib_id,const char * lib_filename,bool optional)172 static int sof_ipc4_load_library(struct snd_sof_dev *sdev, unsigned long lib_id,
173 const char *lib_filename, bool optional)
174 {
175 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
176 struct sof_ipc4_fw_library *fw_lib;
177 ssize_t payload_offset;
178 int ret, i, err;
179
180 if (!ipc4_data->load_library) {
181 dev_err(sdev->dev, "Library loading is not supported on this platform\n");
182 return -EOPNOTSUPP;
183 }
184
185 fw_lib = devm_kzalloc(sdev->dev, sizeof(*fw_lib), GFP_KERNEL);
186 if (!fw_lib)
187 return -ENOMEM;
188
189 if (optional) {
190 ret = firmware_request_nowarn(&fw_lib->sof_fw.fw, lib_filename,
191 sdev->dev);
192 if (ret < 0) {
193 /* optional library, override the error */
194 ret = 0;
195 goto free_fw_lib;
196 }
197 } else {
198 ret = request_firmware(&fw_lib->sof_fw.fw, lib_filename,
199 sdev->dev);
200 if (ret < 0) {
201 dev_err(sdev->dev, "Library file '%s' is missing\n",
202 lib_filename);
203 goto free_fw_lib;
204 }
205 }
206
207 dev_dbg(sdev->dev, "Library file '%s' loaded\n", lib_filename);
208
209 payload_offset = sof_ipc4_fw_parse_ext_man(sdev, fw_lib);
210 if (payload_offset <= 0) {
211 if (!payload_offset)
212 ret = -EINVAL;
213 else
214 ret = payload_offset;
215
216 goto release;
217 }
218
219 fw_lib->sof_fw.payload_offset = payload_offset;
220 fw_lib->id = lib_id;
221
222 /* Fix up the module ID numbers within the library */
223 for (i = 0; i < fw_lib->num_modules; i++)
224 fw_lib->modules[i].man4_module_entry.id |= (lib_id << SOF_IPC4_MOD_LIB_ID_SHIFT);
225
226 /*
227 * Make sure that the DSP is booted and stays up while attempting the
228 * loading the library for the first time
229 */
230 ret = pm_runtime_resume_and_get(sdev->dev);
231 if (ret < 0 && ret != -EACCES) {
232 dev_err_ratelimited(sdev->dev, "%s: pm_runtime resume failed: %d\n",
233 __func__, ret);
234 goto release;
235 }
236
237 ret = ipc4_data->load_library(sdev, fw_lib, false);
238
239 err = pm_runtime_put_autosuspend(sdev->dev);
240 if (err < 0)
241 dev_err_ratelimited(sdev->dev, "%s: pm_runtime idle failed: %d\n",
242 __func__, err);
243
244 if (ret)
245 goto release;
246
247 ret = xa_insert(&ipc4_data->fw_lib_xa, lib_id, fw_lib, GFP_KERNEL);
248 if (unlikely(ret))
249 goto release;
250
251 return 0;
252
253 release:
254 release_firmware(fw_lib->sof_fw.fw);
255 /* Allocated within sof_ipc4_fw_parse_ext_man() */
256 devm_kfree(sdev->dev, fw_lib->modules);
257 free_fw_lib:
258 devm_kfree(sdev->dev, fw_lib);
259
260 return ret;
261 }
262
263 /**
264 * sof_ipc4_complete_split_release - loads the library parts of a split firmware
265 * @sdev: SOF device
266 *
267 * With IPC4 the firmware can be a single binary or a split release.
268 * - single binary: only the basefw
269 * - split release: basefw and two libraries (openmodules, debug)
270 *
271 * With split firmware release it is also allowed that for example only the
272 * debug library is present (the openmodules content is built in the basefw).
273 *
274 * To handle the permutations try to load the openmodules then the debug
275 * libraries as optional ones after the basefw boot.
276 *
277 * The libraries for the split release are stored alongside the basefw on the
278 * filesystem.
279 */
sof_ipc4_complete_split_release(struct snd_sof_dev * sdev)280 int sof_ipc4_complete_split_release(struct snd_sof_dev *sdev)
281 {
282 static const char * const lib_bundle[] = { "openmodules", "debug" };
283 const char *fw_filename = sdev->pdata->fw_filename;
284 const char *lib_filename, *p;
285 size_t lib_name_base_size;
286 unsigned long lib_id = 1;
287 char *lib_name_base;
288 int i;
289
290 p = strstr(fw_filename, ".ri");
291 if (!p || strlen(p) != 3) {
292 dev_info(sdev->dev,
293 "%s: Firmware name '%s' is missing .ri extension\n",
294 __func__, fw_filename);
295 return 0;
296 }
297
298 /* Space for the firmware basename + '\0', without the extension */
299 lib_name_base_size = strlen(fw_filename) - 2;
300 lib_name_base = kzalloc(lib_name_base_size, GFP_KERNEL);
301 if (!lib_name_base)
302 return -ENOMEM;
303
304 /*
305 * strscpy will 0 terminate the copied string, removing the '.ri' from
306 * the end of the fw_filename, for example:
307 * fw_filename: "sof-ptl.ri\0"
308 * lib_name_base: "sof-ptl\0"
309 */
310 strscpy(lib_name_base, fw_filename, lib_name_base_size);
311
312 for (i = 0; i < ARRAY_SIZE(lib_bundle); i++) {
313 int ret;
314
315 lib_filename = kasprintf(GFP_KERNEL, "%s/%s-%s.ri",
316 sdev->pdata->fw_filename_prefix,
317 lib_name_base, lib_bundle[i]);
318 if (!lib_filename) {
319 kfree(lib_name_base);
320 return -ENOMEM;
321 }
322
323 ret = sof_ipc4_load_library(sdev, lib_id, lib_filename, true);
324 if (ret)
325 dev_warn(sdev->dev, "%s: Failed to load %s: %d\n",
326 __func__, lib_filename, ret);
327 else
328 lib_id++;
329
330 kfree(lib_filename);
331 }
332
333 kfree(lib_name_base);
334
335 return 0;
336 }
337
sof_ipc4_load_library_by_uuid(struct snd_sof_dev * sdev,unsigned long lib_id,const guid_t * uuid)338 static int sof_ipc4_load_library_by_uuid(struct snd_sof_dev *sdev,
339 unsigned long lib_id, const guid_t *uuid)
340 {
341 const char *lib_filename;
342 int ret;
343
344 if (!sdev->pdata->fw_lib_prefix) {
345 dev_err(sdev->dev,
346 "Library loading is not supported due to not set library path\n");
347 return -EINVAL;
348 }
349
350 lib_filename = kasprintf(GFP_KERNEL, "%s/%pUL.bin",
351 sdev->pdata->fw_lib_prefix, uuid);
352 if (!lib_filename)
353 return -ENOMEM;
354
355 ret = sof_ipc4_load_library(sdev, lib_id, lib_filename, false);
356
357 kfree(lib_filename);
358
359 return ret;
360 }
361
sof_ipc4_find_module_by_uuid(struct snd_sof_dev * sdev,const guid_t * uuid)362 struct sof_ipc4_fw_module *sof_ipc4_find_module_by_uuid(struct snd_sof_dev *sdev,
363 const guid_t *uuid)
364 {
365 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
366 struct sof_ipc4_fw_library *fw_lib;
367 unsigned long lib_id;
368 int i, ret;
369
370 if (guid_is_null(uuid))
371 return NULL;
372
373 xa_for_each(&ipc4_data->fw_lib_xa, lib_id, fw_lib) {
374 for (i = 0; i < fw_lib->num_modules; i++) {
375 if (guid_equal(uuid, &fw_lib->modules[i].man4_module_entry.uuid))
376 return &fw_lib->modules[i];
377 }
378 }
379
380 /*
381 * Do not attempt to load external library in case the maximum number of
382 * firmware libraries have been already loaded
383 */
384 if ((lib_id + 1) == ipc4_data->max_libs_count) {
385 dev_err(sdev->dev,
386 "%s: Maximum allowed number of libraries reached (%u)\n",
387 __func__, ipc4_data->max_libs_count);
388 return NULL;
389 }
390
391 /* The module cannot be found, try to load it as a library */
392 ret = sof_ipc4_load_library_by_uuid(sdev, lib_id + 1, uuid);
393 if (ret)
394 return NULL;
395
396 /* Look for the module in the newly loaded library, it should be available now */
397 xa_for_each_start(&ipc4_data->fw_lib_xa, lib_id, fw_lib, lib_id) {
398 for (i = 0; i < fw_lib->num_modules; i++) {
399 if (guid_equal(uuid, &fw_lib->modules[i].man4_module_entry.uuid))
400 return &fw_lib->modules[i];
401 }
402 }
403
404 return NULL;
405 }
406
sof_ipc4_validate_firmware(struct snd_sof_dev * sdev)407 static int sof_ipc4_validate_firmware(struct snd_sof_dev *sdev)
408 {
409 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
410 u32 fw_hdr_offset = ipc4_data->manifest_fw_hdr_offset;
411 struct sof_man4_fw_binary_header *fw_header;
412 const struct firmware *fw = sdev->basefw.fw;
413 struct sof_ext_manifest4_hdr *ext_man_hdr;
414
415 ext_man_hdr = (struct sof_ext_manifest4_hdr *)fw->data;
416 fw_header = (struct sof_man4_fw_binary_header *)
417 (fw->data + ext_man_hdr->len + fw_hdr_offset);
418
419 /* TODO: Add firmware verification code here */
420
421 dev_dbg(sdev->dev, "Validated firmware version: %u.%u.%u.%u\n",
422 fw_header->major_version, fw_header->minor_version,
423 fw_header->hotfix_version, fw_header->build_version);
424
425 return 0;
426 }
427
sof_ipc4_query_fw_configuration(struct snd_sof_dev * sdev)428 int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev)
429 {
430 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
431 const struct sof_ipc_ops *iops = sdev->ipc->ops;
432 struct sof_ipc4_fw_version *fw_ver;
433 struct sof_ipc4_tuple *tuple;
434 struct sof_ipc4_msg msg;
435 size_t offset = 0;
436 int ret;
437
438 /* Get the firmware configuration */
439 msg.primary = SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
440 msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
441 msg.primary |= SOF_IPC4_MOD_ID(SOF_IPC4_MOD_INIT_BASEFW_MOD_ID);
442 msg.primary |= SOF_IPC4_MOD_INSTANCE(SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID);
443 msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_FW_PARAM_FW_CONFIG);
444
445 msg.data_size = sdev->ipc->max_payload_size;
446 msg.data_ptr = kzalloc(msg.data_size, GFP_KERNEL);
447 if (!msg.data_ptr)
448 return -ENOMEM;
449
450 ret = iops->set_get_data(sdev, &msg, msg.data_size, false);
451 if (ret)
452 goto out;
453
454 while (offset < msg.data_size) {
455 tuple = (struct sof_ipc4_tuple *)((u8 *)msg.data_ptr + offset);
456
457 switch (tuple->type) {
458 case SOF_IPC4_FW_CFG_FW_VERSION:
459 fw_ver = (struct sof_ipc4_fw_version *)tuple->value;
460
461 dev_info(sdev->dev,
462 "Booted firmware version: %u.%u.%u.%u\n",
463 fw_ver->major, fw_ver->minor, fw_ver->hotfix,
464 fw_ver->build);
465 break;
466 case SOF_IPC4_FW_CFG_DL_MAILBOX_BYTES:
467 trace_sof_ipc4_fw_config(sdev, "DL mailbox size", *tuple->value);
468 break;
469 case SOF_IPC4_FW_CFG_UL_MAILBOX_BYTES:
470 trace_sof_ipc4_fw_config(sdev, "UL mailbox size", *tuple->value);
471 break;
472 case SOF_IPC4_FW_CFG_TRACE_LOG_BYTES:
473 trace_sof_ipc4_fw_config(sdev, "Trace log size", *tuple->value);
474 ipc4_data->mtrace_log_bytes = *tuple->value;
475 break;
476 case SOF_IPC4_FW_CFG_MAX_LIBS_COUNT:
477 trace_sof_ipc4_fw_config(sdev, "maximum number of libraries",
478 *tuple->value);
479 ipc4_data->max_libs_count = *tuple->value;
480 if (!ipc4_data->max_libs_count)
481 ipc4_data->max_libs_count = 1;
482 break;
483 case SOF_IPC4_FW_CFG_MAX_PPL_COUNT:
484 ipc4_data->max_num_pipelines = *tuple->value;
485 trace_sof_ipc4_fw_config(sdev, "Max PPL count %d",
486 ipc4_data->max_num_pipelines);
487 if (ipc4_data->max_num_pipelines <= 0) {
488 dev_err(sdev->dev, "Invalid max_num_pipelines %d",
489 ipc4_data->max_num_pipelines);
490 ret = -EINVAL;
491 goto out;
492 }
493 break;
494 case SOF_IPC4_FW_CONTEXT_SAVE:
495 ipc4_data->fw_context_save = *tuple->value;
496 /*
497 * Set the default libraries_restored value - if full
498 * context save is supported then it means that
499 * libraries are restored
500 */
501 ipc4_data->libraries_restored = ipc4_data->fw_context_save;
502 break;
503 default:
504 break;
505 }
506
507 offset += sizeof(*tuple) + tuple->size;
508 }
509
510 /* Get the hardware configuration */
511 msg.primary = SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
512 msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
513 msg.primary |= SOF_IPC4_MOD_ID(SOF_IPC4_MOD_INIT_BASEFW_MOD_ID);
514 msg.primary |= SOF_IPC4_MOD_INSTANCE(SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID);
515 msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_FW_PARAM_HW_CONFIG_GET);
516
517 msg.data_size = sdev->ipc->max_payload_size;
518
519 ret = iops->set_get_data(sdev, &msg, msg.data_size, false);
520 if (ret)
521 goto out;
522
523 offset = 0;
524 while (offset < msg.data_size) {
525 tuple = (struct sof_ipc4_tuple *)((u8 *)msg.data_ptr + offset);
526
527 switch (tuple->type) {
528 case SOF_IPC4_HW_CFG_INTEL_MIC_PRIVACY_CAPS:
529 if (ipc4_data->intel_configure_mic_privacy) {
530 struct sof_ipc4_intel_mic_privacy_cap *caps;
531
532 caps = (struct sof_ipc4_intel_mic_privacy_cap *)tuple->value;
533 ipc4_data->intel_configure_mic_privacy(sdev, caps);
534 }
535 break;
536 default:
537 break;
538 }
539
540 offset += sizeof(*tuple) + tuple->size;
541 }
542
543 out:
544 kfree(msg.data_ptr);
545
546 return ret;
547 }
548
sof_ipc4_reload_fw_libraries(struct snd_sof_dev * sdev)549 int sof_ipc4_reload_fw_libraries(struct snd_sof_dev *sdev)
550 {
551 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
552 struct sof_ipc4_fw_library *fw_lib;
553 unsigned long lib_id;
554 int ret = 0;
555
556 xa_for_each_start(&ipc4_data->fw_lib_xa, lib_id, fw_lib, 1) {
557 ret = ipc4_data->load_library(sdev, fw_lib, true);
558 if (ret) {
559 dev_err(sdev->dev, "%s: Failed to reload library: %s, %d\n",
560 __func__, fw_lib->name, ret);
561 break;
562 }
563 }
564
565 return ret;
566 }
567
568 /**
569 * sof_ipc4_update_cpc_from_manifest - Update the cpc in base config from manifest
570 * @sdev: SOF device
571 * @fw_module: pointer struct sof_ipc4_fw_module to parse
572 * @basecfg: Pointer to the base_config to update
573 */
sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev * sdev,struct sof_ipc4_fw_module * fw_module,struct sof_ipc4_base_module_cfg * basecfg)574 void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev,
575 struct sof_ipc4_fw_module *fw_module,
576 struct sof_ipc4_base_module_cfg *basecfg)
577 {
578 const struct sof_man4_module_config *fw_mod_cfg;
579 u32 cpc_pick = 0;
580 u32 max_cpc = 0;
581 const char *msg;
582 int i;
583
584 if (!fw_module->fw_mod_cfg) {
585 msg = "No mod_cfg available for CPC lookup in the firmware file's manifest";
586 goto no_cpc;
587 }
588
589 /*
590 * Find the best matching (highest) CPC value based on the module's
591 * IBS/OBS configuration inferred from the audio format selection.
592 *
593 * The CPC value in each module config entry has been measured and
594 * recorded as a IBS/OBS/CPC triplet and stored in the firmware file's
595 * manifest
596 */
597 fw_mod_cfg = fw_module->fw_mod_cfg;
598 for (i = 0; i < fw_module->man4_module_entry.cfg_count; i++) {
599 if (basecfg->obs == fw_mod_cfg[i].obs &&
600 basecfg->ibs == fw_mod_cfg[i].ibs &&
601 cpc_pick < fw_mod_cfg[i].cpc)
602 cpc_pick = fw_mod_cfg[i].cpc;
603
604 if (max_cpc < fw_mod_cfg[i].cpc)
605 max_cpc = fw_mod_cfg[i].cpc;
606 }
607
608 basecfg->cpc = cpc_pick;
609
610 /* We have a matching configuration for CPC */
611 if (basecfg->cpc)
612 return;
613
614 /*
615 * No matching IBS/OBS found, the firmware manifest is missing
616 * information in the module's module configuration table.
617 */
618 if (!max_cpc)
619 msg = "No CPC value available in the firmware file's manifest";
620 else if (!cpc_pick)
621 msg = "No CPC match in the firmware file's manifest";
622
623 no_cpc:
624 dev_dbg(sdev->dev, "%s (UUID: %pUL): %s (ibs/obs: %u/%u)\n",
625 fw_module->man4_module_entry.name,
626 &fw_module->man4_module_entry.uuid, msg, basecfg->ibs,
627 basecfg->obs);
628 }
629
630 const struct sof_ipc_fw_loader_ops ipc4_loader_ops = {
631 .validate = sof_ipc4_validate_firmware,
632 .parse_ext_manifest = sof_ipc4_fw_parse_basefw_ext_man,
633 };
634