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 pm_runtime_mark_last_busy(sdev->dev);
240 err = pm_runtime_put_autosuspend(sdev->dev);
241 if (err < 0)
242 dev_err_ratelimited(sdev->dev, "%s: pm_runtime idle failed: %d\n",
243 __func__, err);
244
245 if (ret)
246 goto release;
247
248 ret = xa_insert(&ipc4_data->fw_lib_xa, lib_id, fw_lib, GFP_KERNEL);
249 if (unlikely(ret))
250 goto release;
251
252 return 0;
253
254 release:
255 release_firmware(fw_lib->sof_fw.fw);
256 /* Allocated within sof_ipc4_fw_parse_ext_man() */
257 devm_kfree(sdev->dev, fw_lib->modules);
258 free_fw_lib:
259 devm_kfree(sdev->dev, fw_lib);
260
261 return ret;
262 }
263
264 /**
265 * sof_ipc4_complete_split_release - loads the library parts of a split firmware
266 * @sdev: SOF device
267 *
268 * With IPC4 the firmware can be a single binary or a split release.
269 * - single binary: only the basefw
270 * - split release: basefw and two libraries (openmodules, debug)
271 *
272 * With split firmware release it is also allowed that for example only the
273 * debug library is present (the openmodules content is built in the basefw).
274 *
275 * To handle the permutations try to load the openmodules then the debug
276 * libraries as optional ones after the basefw boot.
277 *
278 * The libraries for the split release are stored alongside the basefw on the
279 * filesystem.
280 */
sof_ipc4_complete_split_release(struct snd_sof_dev * sdev)281 int sof_ipc4_complete_split_release(struct snd_sof_dev *sdev)
282 {
283 static const char * const lib_bundle[] = { "openmodules", "debug" };
284 const char *fw_filename = sdev->pdata->fw_filename;
285 const char *lib_filename, *p;
286 size_t lib_name_base_size;
287 unsigned long lib_id = 1;
288 char *lib_name_base;
289 int i;
290
291 p = strstr(fw_filename, ".ri");
292 if (!p || strlen(p) != 3) {
293 dev_info(sdev->dev,
294 "%s: Firmware name '%s' is missing .ri extension\n",
295 __func__, fw_filename);
296 return 0;
297 }
298
299 /* Space for the firmware basename + '\0', without the extension */
300 lib_name_base_size = strlen(fw_filename) - 2;
301 lib_name_base = kzalloc(lib_name_base_size, GFP_KERNEL);
302 if (!lib_name_base)
303 return -ENOMEM;
304
305 /*
306 * strscpy will 0 terminate the copied string, removing the '.ri' from
307 * the end of the fw_filename, for example:
308 * fw_filename: "sof-ptl.ri\0"
309 * lib_name_base: "sof-ptl\0"
310 */
311 strscpy(lib_name_base, fw_filename, lib_name_base_size);
312
313 for (i = 0; i < ARRAY_SIZE(lib_bundle); i++) {
314 int ret;
315
316 lib_filename = kasprintf(GFP_KERNEL, "%s/%s-%s.ri",
317 sdev->pdata->fw_filename_prefix,
318 lib_name_base, lib_bundle[i]);
319 if (!lib_filename) {
320 kfree(lib_name_base);
321 return -ENOMEM;
322 }
323
324 ret = sof_ipc4_load_library(sdev, lib_id, lib_filename, true);
325 if (ret)
326 dev_warn(sdev->dev, "%s: Failed to load %s: %d\n",
327 __func__, lib_filename, ret);
328 else
329 lib_id++;
330
331 kfree(lib_filename);
332 }
333
334 kfree(lib_name_base);
335
336 return 0;
337 }
338
sof_ipc4_load_library_by_uuid(struct snd_sof_dev * sdev,unsigned long lib_id,const guid_t * uuid)339 static int sof_ipc4_load_library_by_uuid(struct snd_sof_dev *sdev,
340 unsigned long lib_id, const guid_t *uuid)
341 {
342 const char *lib_filename;
343 int ret;
344
345 if (!sdev->pdata->fw_lib_prefix) {
346 dev_err(sdev->dev,
347 "Library loading is not supported due to not set library path\n");
348 return -EINVAL;
349 }
350
351 lib_filename = kasprintf(GFP_KERNEL, "%s/%pUL.bin",
352 sdev->pdata->fw_lib_prefix, uuid);
353 if (!lib_filename)
354 return -ENOMEM;
355
356 ret = sof_ipc4_load_library(sdev, lib_id, lib_filename, false);
357
358 kfree(lib_filename);
359
360 return ret;
361 }
362
sof_ipc4_find_module_by_uuid(struct snd_sof_dev * sdev,const guid_t * uuid)363 struct sof_ipc4_fw_module *sof_ipc4_find_module_by_uuid(struct snd_sof_dev *sdev,
364 const guid_t *uuid)
365 {
366 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
367 struct sof_ipc4_fw_library *fw_lib;
368 unsigned long lib_id;
369 int i, ret;
370
371 if (guid_is_null(uuid))
372 return NULL;
373
374 xa_for_each(&ipc4_data->fw_lib_xa, lib_id, fw_lib) {
375 for (i = 0; i < fw_lib->num_modules; i++) {
376 if (guid_equal(uuid, &fw_lib->modules[i].man4_module_entry.uuid))
377 return &fw_lib->modules[i];
378 }
379 }
380
381 /*
382 * Do not attempt to load external library in case the maximum number of
383 * firmware libraries have been already loaded
384 */
385 if ((lib_id + 1) == ipc4_data->max_libs_count) {
386 dev_err(sdev->dev,
387 "%s: Maximum allowed number of libraries reached (%u)\n",
388 __func__, ipc4_data->max_libs_count);
389 return NULL;
390 }
391
392 /* The module cannot be found, try to load it as a library */
393 ret = sof_ipc4_load_library_by_uuid(sdev, lib_id + 1, uuid);
394 if (ret)
395 return NULL;
396
397 /* Look for the module in the newly loaded library, it should be available now */
398 xa_for_each_start(&ipc4_data->fw_lib_xa, lib_id, fw_lib, lib_id) {
399 for (i = 0; i < fw_lib->num_modules; i++) {
400 if (guid_equal(uuid, &fw_lib->modules[i].man4_module_entry.uuid))
401 return &fw_lib->modules[i];
402 }
403 }
404
405 return NULL;
406 }
407
sof_ipc4_validate_firmware(struct snd_sof_dev * sdev)408 static int sof_ipc4_validate_firmware(struct snd_sof_dev *sdev)
409 {
410 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
411 u32 fw_hdr_offset = ipc4_data->manifest_fw_hdr_offset;
412 struct sof_man4_fw_binary_header *fw_header;
413 const struct firmware *fw = sdev->basefw.fw;
414 struct sof_ext_manifest4_hdr *ext_man_hdr;
415
416 ext_man_hdr = (struct sof_ext_manifest4_hdr *)fw->data;
417 fw_header = (struct sof_man4_fw_binary_header *)
418 (fw->data + ext_man_hdr->len + fw_hdr_offset);
419
420 /* TODO: Add firmware verification code here */
421
422 dev_dbg(sdev->dev, "Validated firmware version: %u.%u.%u.%u\n",
423 fw_header->major_version, fw_header->minor_version,
424 fw_header->hotfix_version, fw_header->build_version);
425
426 return 0;
427 }
428
sof_ipc4_query_fw_configuration(struct snd_sof_dev * sdev)429 int sof_ipc4_query_fw_configuration(struct snd_sof_dev *sdev)
430 {
431 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
432 const struct sof_ipc_ops *iops = sdev->ipc->ops;
433 struct sof_ipc4_fw_version *fw_ver;
434 struct sof_ipc4_tuple *tuple;
435 struct sof_ipc4_msg msg;
436 size_t offset = 0;
437 int ret;
438
439 /* Get the firmware configuration */
440 msg.primary = SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
441 msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
442 msg.primary |= SOF_IPC4_MOD_ID(SOF_IPC4_MOD_INIT_BASEFW_MOD_ID);
443 msg.primary |= SOF_IPC4_MOD_INSTANCE(SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID);
444 msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_FW_PARAM_FW_CONFIG);
445
446 msg.data_size = sdev->ipc->max_payload_size;
447 msg.data_ptr = kzalloc(msg.data_size, GFP_KERNEL);
448 if (!msg.data_ptr)
449 return -ENOMEM;
450
451 ret = iops->set_get_data(sdev, &msg, msg.data_size, false);
452 if (ret)
453 goto out;
454
455 while (offset < msg.data_size) {
456 tuple = (struct sof_ipc4_tuple *)((u8 *)msg.data_ptr + offset);
457
458 switch (tuple->type) {
459 case SOF_IPC4_FW_CFG_FW_VERSION:
460 fw_ver = (struct sof_ipc4_fw_version *)tuple->value;
461
462 dev_info(sdev->dev,
463 "Booted firmware version: %u.%u.%u.%u\n",
464 fw_ver->major, fw_ver->minor, fw_ver->hotfix,
465 fw_ver->build);
466 break;
467 case SOF_IPC4_FW_CFG_DL_MAILBOX_BYTES:
468 trace_sof_ipc4_fw_config(sdev, "DL mailbox size", *tuple->value);
469 break;
470 case SOF_IPC4_FW_CFG_UL_MAILBOX_BYTES:
471 trace_sof_ipc4_fw_config(sdev, "UL mailbox size", *tuple->value);
472 break;
473 case SOF_IPC4_FW_CFG_TRACE_LOG_BYTES:
474 trace_sof_ipc4_fw_config(sdev, "Trace log size", *tuple->value);
475 ipc4_data->mtrace_log_bytes = *tuple->value;
476 break;
477 case SOF_IPC4_FW_CFG_MAX_LIBS_COUNT:
478 trace_sof_ipc4_fw_config(sdev, "maximum number of libraries",
479 *tuple->value);
480 ipc4_data->max_libs_count = *tuple->value;
481 if (!ipc4_data->max_libs_count)
482 ipc4_data->max_libs_count = 1;
483 break;
484 case SOF_IPC4_FW_CFG_MAX_PPL_COUNT:
485 ipc4_data->max_num_pipelines = *tuple->value;
486 trace_sof_ipc4_fw_config(sdev, "Max PPL count %d",
487 ipc4_data->max_num_pipelines);
488 if (ipc4_data->max_num_pipelines <= 0) {
489 dev_err(sdev->dev, "Invalid max_num_pipelines %d",
490 ipc4_data->max_num_pipelines);
491 ret = -EINVAL;
492 goto out;
493 }
494 break;
495 case SOF_IPC4_FW_CONTEXT_SAVE:
496 ipc4_data->fw_context_save = *tuple->value;
497 break;
498 default:
499 break;
500 }
501
502 offset += sizeof(*tuple) + tuple->size;
503 }
504
505 /* Get the hardware configuration */
506 msg.primary = SOF_IPC4_MSG_TARGET(SOF_IPC4_MODULE_MSG);
507 msg.primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
508 msg.primary |= SOF_IPC4_MOD_ID(SOF_IPC4_MOD_INIT_BASEFW_MOD_ID);
509 msg.primary |= SOF_IPC4_MOD_INSTANCE(SOF_IPC4_MOD_INIT_BASEFW_INSTANCE_ID);
510 msg.extension = SOF_IPC4_MOD_EXT_MSG_PARAM_ID(SOF_IPC4_FW_PARAM_HW_CONFIG_GET);
511
512 msg.data_size = sdev->ipc->max_payload_size;
513
514 ret = iops->set_get_data(sdev, &msg, msg.data_size, false);
515 if (ret)
516 goto out;
517
518 offset = 0;
519 while (offset < msg.data_size) {
520 tuple = (struct sof_ipc4_tuple *)((u8 *)msg.data_ptr + offset);
521
522 switch (tuple->type) {
523 case SOF_IPC4_HW_CFG_INTEL_MIC_PRIVACY_CAPS:
524 if (ipc4_data->intel_configure_mic_privacy) {
525 struct sof_ipc4_intel_mic_privacy_cap *caps;
526
527 caps = (struct sof_ipc4_intel_mic_privacy_cap *)tuple->value;
528 ipc4_data->intel_configure_mic_privacy(sdev, caps);
529 }
530 break;
531 default:
532 break;
533 }
534
535 offset += sizeof(*tuple) + tuple->size;
536 }
537
538 out:
539 kfree(msg.data_ptr);
540
541 return ret;
542 }
543
sof_ipc4_reload_fw_libraries(struct snd_sof_dev * sdev)544 int sof_ipc4_reload_fw_libraries(struct snd_sof_dev *sdev)
545 {
546 struct sof_ipc4_fw_data *ipc4_data = sdev->private;
547 struct sof_ipc4_fw_library *fw_lib;
548 unsigned long lib_id;
549 int ret = 0;
550
551 xa_for_each_start(&ipc4_data->fw_lib_xa, lib_id, fw_lib, 1) {
552 ret = ipc4_data->load_library(sdev, fw_lib, true);
553 if (ret) {
554 dev_err(sdev->dev, "%s: Failed to reload library: %s, %d\n",
555 __func__, fw_lib->name, ret);
556 break;
557 }
558 }
559
560 return ret;
561 }
562
563 /**
564 * sof_ipc4_update_cpc_from_manifest - Update the cpc in base config from manifest
565 * @sdev: SOF device
566 * @fw_module: pointer struct sof_ipc4_fw_module to parse
567 * @basecfg: Pointer to the base_config to update
568 */
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)569 void sof_ipc4_update_cpc_from_manifest(struct snd_sof_dev *sdev,
570 struct sof_ipc4_fw_module *fw_module,
571 struct sof_ipc4_base_module_cfg *basecfg)
572 {
573 const struct sof_man4_module_config *fw_mod_cfg;
574 u32 cpc_pick = 0;
575 u32 max_cpc = 0;
576 const char *msg;
577 int i;
578
579 if (!fw_module->fw_mod_cfg) {
580 msg = "No mod_cfg available for CPC lookup in the firmware file's manifest";
581 goto no_cpc;
582 }
583
584 /*
585 * Find the best matching (highest) CPC value based on the module's
586 * IBS/OBS configuration inferred from the audio format selection.
587 *
588 * The CPC value in each module config entry has been measured and
589 * recorded as a IBS/OBS/CPC triplet and stored in the firmware file's
590 * manifest
591 */
592 fw_mod_cfg = fw_module->fw_mod_cfg;
593 for (i = 0; i < fw_module->man4_module_entry.cfg_count; i++) {
594 if (basecfg->obs == fw_mod_cfg[i].obs &&
595 basecfg->ibs == fw_mod_cfg[i].ibs &&
596 cpc_pick < fw_mod_cfg[i].cpc)
597 cpc_pick = fw_mod_cfg[i].cpc;
598
599 if (max_cpc < fw_mod_cfg[i].cpc)
600 max_cpc = fw_mod_cfg[i].cpc;
601 }
602
603 basecfg->cpc = cpc_pick;
604
605 /* We have a matching configuration for CPC */
606 if (basecfg->cpc)
607 return;
608
609 /*
610 * No matching IBS/OBS found, the firmware manifest is missing
611 * information in the module's module configuration table.
612 */
613 if (!max_cpc)
614 msg = "No CPC value available in the firmware file's manifest";
615 else if (!cpc_pick)
616 msg = "No CPC match in the firmware file's manifest";
617
618 no_cpc:
619 dev_dbg(sdev->dev, "%s (UUID: %pUL): %s (ibs/obs: %u/%u)\n",
620 fw_module->man4_module_entry.name,
621 &fw_module->man4_module_entry.uuid, msg, basecfg->ibs,
622 basecfg->obs);
623 }
624
625 const struct sof_ipc_fw_loader_ops ipc4_loader_ops = {
626 .validate = sof_ipc4_validate_firmware,
627 .parse_ext_manifest = sof_ipc4_fw_parse_basefw_ext_man,
628 };
629