1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright(c) 2024 Advanced Micro Devices, Inc.
3
4 /*
5 * acp-sdw-legacy-mach - ASoC legacy Machine driver for AMD SoundWire platforms
6 */
7
8 #include <linux/bitmap.h>
9 #include <linux/device.h>
10 #include <linux/dmi.h>
11 #include <linux/module.h>
12 #include <linux/soundwire/sdw.h>
13 #include <linux/soundwire/sdw_type.h>
14 #include <sound/soc.h>
15 #include <sound/soc-acpi.h>
16 #include "soc_amd_sdw_common.h"
17 #include "../../codecs/rt711.h"
18
19 static unsigned long soc_sdw_quirk = RT711_JD1;
20 static int quirk_override = -1;
21 module_param_named(quirk, quirk_override, int, 0444);
22 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
23
log_quirks(struct device * dev)24 static void log_quirks(struct device *dev)
25 {
26 if (SOC_JACK_JDSRC(soc_sdw_quirk))
27 dev_dbg(dev, "quirk realtek,jack-detect-source %ld\n",
28 SOC_JACK_JDSRC(soc_sdw_quirk));
29 if (soc_sdw_quirk & ASOC_SDW_ACP_DMIC)
30 dev_dbg(dev, "quirk SOC_SDW_ACP_DMIC enabled\n");
31 if (soc_sdw_quirk & ASOC_SDW_CODEC_SPKR)
32 dev_dbg(dev, "quirk ASOC_SDW_CODEC_SPKR enabled\n");
33 }
34
soc_sdw_quirk_cb(const struct dmi_system_id * id)35 static int soc_sdw_quirk_cb(const struct dmi_system_id *id)
36 {
37 soc_sdw_quirk = (unsigned long)id->driver_data;
38 return 1;
39 }
40
41 static const struct dmi_system_id soc_sdw_quirk_table[] = {
42 {
43 .callback = soc_sdw_quirk_cb,
44 .matches = {
45 DMI_MATCH(DMI_SYS_VENDOR, "AMD"),
46 DMI_MATCH(DMI_PRODUCT_NAME, "Birman-PHX"),
47 },
48 .driver_data = (void *)RT711_JD2,
49 },
50 {
51 .callback = soc_sdw_quirk_cb,
52 .matches = {
53 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
54 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0D80"),
55 },
56 .driver_data = (void *)(ASOC_SDW_CODEC_SPKR),
57 },
58 {
59 .callback = soc_sdw_quirk_cb,
60 .matches = {
61 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
62 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0D81"),
63 },
64 .driver_data = (void *)(ASOC_SDW_CODEC_SPKR),
65 },
66 {
67 .callback = soc_sdw_quirk_cb,
68 .matches = {
69 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
70 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0D82"),
71 },
72 .driver_data = (void *)(ASOC_SDW_CODEC_SPKR),
73 },
74 {
75 .callback = soc_sdw_quirk_cb,
76 .matches = {
77 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
78 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0D83"),
79 },
80 .driver_data = (void *)(ASOC_SDW_CODEC_SPKR),
81 },
82 {
83 .callback = soc_sdw_quirk_cb,
84 .matches = {
85 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
86 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0DD3"),
87 },
88 .driver_data = (void *)(ASOC_SDW_CODEC_SPKR),
89 },
90 {
91 .callback = soc_sdw_quirk_cb,
92 .matches = {
93 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
94 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0DD4"),
95 },
96 .driver_data = (void *)(ASOC_SDW_CODEC_SPKR),
97 },
98 {
99 .callback = soc_sdw_quirk_cb,
100 .matches = {
101 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
102 DMI_MATCH(DMI_PRODUCT_SKU, "21YW"),
103 },
104 .driver_data = (void *)((ASOC_SDW_CODEC_SPKR) | (ASOC_SDW_ACP_DMIC)),
105 },
106 {
107 .callback = soc_sdw_quirk_cb,
108 .matches = {
109 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
110 DMI_MATCH(DMI_PRODUCT_SKU, "21YX"),
111 },
112 .driver_data = (void *)((ASOC_SDW_CODEC_SPKR) | (ASOC_SDW_ACP_DMIC)),
113 },
114 {
115 .callback = soc_sdw_quirk_cb,
116 .matches = { /* Lenovo P16s G5 AMD */
117 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
118 DMI_MATCH(DMI_PRODUCT_SKU, "21XG"),
119 },
120 .driver_data = (void *)(ASOC_SDW_ACP_DMIC),
121 },
122 {
123 .callback = soc_sdw_quirk_cb,
124 .matches = { /* Lenovo P16s G5 AMD */
125 DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
126 DMI_MATCH(DMI_PRODUCT_SKU, "21XH"),
127 },
128 .driver_data = (void *)(ASOC_SDW_ACP_DMIC),
129 },
130 {
131 .callback = soc_sdw_quirk_cb,
132 .matches = {
133 DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK COMPUTER INC."),
134 DMI_MATCH(DMI_PRODUCT_NAME, "HN7306EA"),
135 },
136 .driver_data = (void *)(ASOC_SDW_ACP_DMIC),
137 },
138 {}
139 };
140
141 static const struct snd_soc_ops sdw_ops = {
142 .startup = asoc_sdw_startup,
143 .prepare = asoc_sdw_prepare,
144 .trigger = asoc_sdw_trigger,
145 .hw_params = asoc_sdw_hw_params,
146 .hw_free = asoc_sdw_hw_free,
147 .shutdown = asoc_sdw_shutdown,
148 };
149
150 static const char * const type_strings[] = {"SimpleJack", "SmartAmp", "SmartMic"};
151
create_sdw_dailink(struct snd_soc_card * card,struct asoc_sdw_dailink * soc_dai,struct snd_soc_dai_link ** dai_links,int * be_id,struct snd_soc_codec_conf ** codec_conf,struct snd_soc_dai_link_component * sdw_platform_component)152 static int create_sdw_dailink(struct snd_soc_card *card,
153 struct asoc_sdw_dailink *soc_dai,
154 struct snd_soc_dai_link **dai_links,
155 int *be_id, struct snd_soc_codec_conf **codec_conf,
156 struct snd_soc_dai_link_component *sdw_platform_component)
157 {
158 struct device *dev = card->dev;
159 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
160 struct amd_mc_ctx *amd_ctx = (struct amd_mc_ctx *)ctx->private;
161 struct asoc_sdw_endpoint *soc_end;
162 int cpu_pin_id;
163 int stream;
164 int ret;
165
166 list_for_each_entry(soc_end, &soc_dai->endpoints, list) {
167 if (soc_end->name_prefix) {
168 (*codec_conf)->dlc.name = soc_end->codec_name;
169 (*codec_conf)->name_prefix = soc_end->name_prefix;
170 (*codec_conf)++;
171 }
172
173 if (soc_end->include_sidecar) {
174 ret = soc_end->codec_info->add_sidecar(card, dai_links, codec_conf);
175 if (ret)
176 return ret;
177 }
178 }
179
180 for_each_pcm_streams(stream) {
181 static const char * const sdw_stream_name[] = {
182 "SDW%d-PIN%d-PLAYBACK",
183 "SDW%d-PIN%d-CAPTURE",
184 "SDW%d-PIN%d-PLAYBACK-%s",
185 "SDW%d-PIN%d-CAPTURE-%s",
186 };
187 struct snd_soc_dai_link_ch_map *codec_maps;
188 struct snd_soc_dai_link_component *codecs;
189 struct snd_soc_dai_link_component *cpus;
190 int num_cpus = hweight32(soc_dai->link_mask[stream]);
191 int num_codecs = soc_dai->num_devs[stream];
192 int playback, capture;
193 int j = 0;
194 char *name;
195
196 if (!soc_dai->num_devs[stream])
197 continue;
198
199 soc_end = list_first_entry(&soc_dai->endpoints,
200 struct asoc_sdw_endpoint, list);
201
202 *be_id = soc_end->dai_info->dailink[stream];
203 if (*be_id < 0) {
204 dev_err(dev, "Invalid dailink id %d\n", *be_id);
205 return -EINVAL;
206 }
207
208 if (!soc_end->link_mask) {
209 dev_err(dev, "invalid zero link_mask\n");
210 return -EINVAL;
211 }
212 if ((ffs(soc_end->link_mask) - 1) >= amd_ctx->max_sdw_links) {
213 dev_err(dev, "link_id %d exceeds max_sdw_links %d\n",
214 ffs(soc_end->link_mask) - 1, amd_ctx->max_sdw_links);
215 return -EINVAL;
216 }
217
218 switch (amd_ctx->acp_rev) {
219 case ACP63_PCI_REV:
220 ret = get_acp63_cpu_pin_id(ffs(soc_end->link_mask) - 1,
221 *be_id, &cpu_pin_id, dev);
222 if (ret)
223 return ret;
224 break;
225 case ACP70_PCI_REV:
226 case ACP71_PCI_REV:
227 case ACP72_PCI_REV:
228 ret = get_acp70_cpu_pin_id(ffs(soc_end->link_mask) - 1,
229 *be_id, &cpu_pin_id, dev);
230 if (ret)
231 return ret;
232 break;
233 default:
234 return -EINVAL;
235 }
236 /* create stream name according to first link id */
237 if (ctx->append_dai_type) {
238 name = devm_kasprintf(dev, GFP_KERNEL,
239 sdw_stream_name[stream + 2],
240 ffs(soc_end->link_mask) - 1,
241 cpu_pin_id,
242 type_strings[soc_end->dai_info->dai_type]);
243 } else {
244 name = devm_kasprintf(dev, GFP_KERNEL,
245 sdw_stream_name[stream],
246 ffs(soc_end->link_mask) - 1,
247 cpu_pin_id);
248 }
249 if (!name)
250 return -ENOMEM;
251
252 cpus = devm_kcalloc(dev, num_cpus, sizeof(*cpus), GFP_KERNEL);
253 if (!cpus)
254 return -ENOMEM;
255
256 codecs = devm_kcalloc(dev, num_codecs, sizeof(*codecs), GFP_KERNEL);
257 if (!codecs)
258 return -ENOMEM;
259
260 codec_maps = devm_kcalloc(dev, num_codecs, sizeof(*codec_maps), GFP_KERNEL);
261 if (!codec_maps)
262 return -ENOMEM;
263
264 list_for_each_entry(soc_end, &soc_dai->endpoints, list) {
265 if (!soc_end->dai_info->direction[stream])
266 continue;
267
268 int link_num = ffs(soc_end->link_mask) - 1;
269
270 cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
271 "SDW%d Pin%d",
272 link_num, cpu_pin_id);
273 if (!cpus->dai_name)
274 return -ENOMEM;
275 dev_dbg(dev, "cpu->dai_name:%s\n", cpus->dai_name);
276
277 codec_maps[j].cpu = 0;
278 codec_maps[j].codec = j;
279
280 codecs[j].name = soc_end->codec_name;
281 codecs[j].dai_name = soc_end->dai_info->dai_name;
282 j++;
283 }
284
285 WARN_ON(j != num_codecs);
286
287 playback = (stream == SNDRV_PCM_STREAM_PLAYBACK);
288 capture = (stream == SNDRV_PCM_STREAM_CAPTURE);
289
290 asoc_sdw_init_dai_link(dev, *dai_links, be_id, name, playback, capture,
291 cpus, num_cpus, sdw_platform_component,
292 1, codecs, num_codecs,
293 0, asoc_sdw_rtd_init, &sdw_ops);
294 /*
295 * SoundWire DAILINKs use 'stream' functions and Bank Switch operations
296 * based on wait_for_completion(), tag them as 'nonatomic'.
297 */
298 (*dai_links)->nonatomic = true;
299 (*dai_links)->ch_maps = codec_maps;
300
301 list_for_each_entry(soc_end, &soc_dai->endpoints, list) {
302 if (soc_end->dai_info->init)
303 soc_end->dai_info->init(card, *dai_links,
304 soc_end->codec_info,
305 playback);
306 }
307
308 (*dai_links)++;
309 }
310
311 return 0;
312 }
313
create_sdw_dailinks(struct snd_soc_card * card,struct snd_soc_dai_link ** dai_links,int * be_id,struct asoc_sdw_dailink * soc_dais,int num_dais,struct snd_soc_codec_conf ** codec_conf)314 static int create_sdw_dailinks(struct snd_soc_card *card,
315 struct snd_soc_dai_link **dai_links, int *be_id,
316 struct asoc_sdw_dailink *soc_dais, int num_dais,
317 struct snd_soc_codec_conf **codec_conf)
318 {
319 struct device *dev = card->dev;
320 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
321 struct amd_mc_ctx *amd_ctx = (struct amd_mc_ctx *)ctx->private;
322 struct snd_soc_dai_link_component *sdw_platform_component;
323 int i;
324 int ret;
325
326 sdw_platform_component = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component),
327 GFP_KERNEL);
328 if (!sdw_platform_component)
329 return -ENOMEM;
330
331 switch (amd_ctx->acp_rev) {
332 case ACP63_PCI_REV:
333 case ACP70_PCI_REV:
334 case ACP71_PCI_REV:
335 case ACP72_PCI_REV:
336 sdw_platform_component->name = "amd_ps_sdw_dma.0";
337 break;
338 default:
339 return -EINVAL;
340 }
341
342 /* generate DAI links by each sdw link */
343 for (i = 0; i < num_dais && soc_dais->initialised; i++) {
344 int current_be_id = 0;
345
346 ret = create_sdw_dailink(card, soc_dais, dai_links,
347 ¤t_be_id, codec_conf, sdw_platform_component);
348 if (ret)
349 return ret;
350
351 /* Update the be_id to match the highest ID used for SDW link */
352 if (*be_id < current_be_id)
353 *be_id = current_be_id;
354
355 soc_dais++;
356 }
357
358 return 0;
359 }
360
create_dmic_dailinks(struct snd_soc_card * card,struct snd_soc_dai_link ** dai_links,int * be_id,int no_pcm)361 static int create_dmic_dailinks(struct snd_soc_card *card,
362 struct snd_soc_dai_link **dai_links, int *be_id, int no_pcm)
363 {
364 struct device *dev = card->dev;
365 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
366 struct amd_mc_ctx *amd_ctx = (struct amd_mc_ctx *)ctx->private;
367 struct snd_soc_dai_link_component *pdm_cpu;
368 struct snd_soc_dai_link_component *pdm_platform;
369 int ret;
370
371 pdm_cpu = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
372 if (!pdm_cpu)
373 return -ENOMEM;
374
375 pdm_platform = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
376 if (!pdm_platform)
377 return -ENOMEM;
378
379 switch (amd_ctx->acp_rev) {
380 case ACP63_PCI_REV:
381 case ACP70_PCI_REV:
382 case ACP71_PCI_REV:
383 case ACP72_PCI_REV:
384 pdm_cpu->name = "acp_ps_pdm_dma.0";
385 pdm_platform->name = "acp_ps_pdm_dma.0";
386 break;
387 default:
388 return -EINVAL;
389 }
390
391 *be_id = ACP_DMIC_BE_ID;
392 ret = asoc_sdw_init_simple_dai_link(dev, *dai_links, be_id, "acp-dmic-codec",
393 0, 1, // DMIC only supports capture
394 pdm_cpu->name, pdm_platform->name,
395 "dmic-codec.0", "dmic-hifi", no_pcm,
396 asoc_sdw_dmic_init, NULL);
397 if (ret)
398 return ret;
399
400 (*dai_links)++;
401
402 return 0;
403 }
404
soc_card_dai_links_create(struct snd_soc_card * card)405 static int soc_card_dai_links_create(struct snd_soc_card *card)
406 {
407 struct device *dev = card->dev;
408 int sdw_be_num = 0, dmic_num = 0;
409 struct asoc_sdw_mc_private *ctx = snd_soc_card_get_drvdata(card);
410 struct snd_soc_aux_dev *soc_aux;
411 struct snd_soc_codec_conf *codec_conf;
412 struct snd_soc_dai_link *dai_links;
413 int num_devs = 0;
414 int num_ends = 0;
415 int num_aux = 0;
416 int num_confs;
417 int num_links;
418 int be_id = 0;
419 int ret;
420
421 ret = asoc_sdw_count_sdw_endpoints(card, &num_devs, &num_ends, &num_aux);
422 if (ret < 0) {
423 dev_err(dev, "failed to count devices/endpoints: %d\n", ret);
424 return ret;
425 }
426
427 num_confs = num_ends;
428
429 /* One per DAI link, worst case is a DAI link for every endpoint */
430 struct asoc_sdw_dailink *soc_dais __free(kfree) =
431 kzalloc_objs(*soc_dais, num_ends);
432 if (!soc_dais)
433 return -ENOMEM;
434
435 /* One per endpoint, ie. each DAI on each codec/amp */
436 struct asoc_sdw_endpoint *soc_ends __free(kfree) =
437 kzalloc_objs(*soc_ends, num_ends);
438 if (!soc_ends)
439 return -ENOMEM;
440
441 soc_aux = devm_kcalloc(dev, num_aux, sizeof(*soc_aux), GFP_KERNEL);
442 if (!soc_aux)
443 return -ENOMEM;
444
445 ret = asoc_sdw_parse_sdw_endpoints(dev, ctx, soc_aux, soc_dais, soc_ends, &num_confs);
446 if (ret < 0)
447 return ret;
448
449 sdw_be_num = ret;
450
451 /* enable dmic */
452 if (soc_sdw_quirk & ASOC_SDW_ACP_DMIC)
453 dmic_num = 1;
454
455 dev_dbg(dev, "sdw %d, dmic %d", sdw_be_num, dmic_num);
456
457 codec_conf = devm_kcalloc(dev, num_confs, sizeof(*codec_conf), GFP_KERNEL);
458 if (!codec_conf)
459 return -ENOMEM;
460
461 /* allocate BE dailinks */
462 num_links = sdw_be_num + dmic_num;
463 dai_links = devm_kcalloc(dev, num_links, sizeof(*dai_links), GFP_KERNEL);
464 if (!dai_links)
465 return -ENOMEM;
466
467 card->codec_conf = codec_conf;
468 card->num_configs = num_confs;
469 card->dai_link = dai_links;
470 card->num_links = num_links;
471 card->aux_dev = soc_aux;
472 card->num_aux_devs = num_aux;
473
474 /* SDW */
475 if (sdw_be_num) {
476 ret = create_sdw_dailinks(card, &dai_links, &be_id,
477 soc_dais, num_ends, &codec_conf);
478 if (ret)
479 return ret;
480 }
481
482 /* dmic */
483 if (dmic_num > 0) {
484 if (ctx->ignore_internal_dmic) {
485 dev_warn(dev, "Ignoring ACP DMIC\n");
486 } else {
487 ret = create_dmic_dailinks(card, &dai_links, &be_id, 0);
488 if (ret)
489 return ret;
490 }
491 }
492
493 WARN_ON(codec_conf != card->codec_conf + card->num_configs);
494 WARN_ON(dai_links != card->dai_link + card->num_links);
495
496 return ret;
497 }
498
mc_probe(struct platform_device * pdev)499 static int mc_probe(struct platform_device *pdev)
500 {
501 struct snd_soc_acpi_mach *mach = dev_get_platdata(&pdev->dev);
502 struct snd_soc_card *card;
503 struct amd_mc_ctx *amd_ctx;
504 struct asoc_sdw_mc_private *ctx;
505 int amp_num = 0, i;
506 int ret;
507
508 amd_ctx = devm_kzalloc(&pdev->dev, sizeof(*amd_ctx), GFP_KERNEL);
509 if (!amd_ctx)
510 return -ENOMEM;
511
512 amd_ctx->acp_rev = mach->mach_params.subsystem_rev;
513 amd_ctx->max_sdw_links = ACP63_SDW_MAX_LINKS;
514 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
515 if (!ctx)
516 return -ENOMEM;
517 ctx->codec_info_list_count = asoc_sdw_get_codec_info_list_count();
518 ctx->private = amd_ctx;
519 card = &ctx->card;
520 card->dev = &pdev->dev;
521 card->name = "amd-soundwire";
522 card->owner = THIS_MODULE;
523 card->late_probe = asoc_sdw_card_late_probe;
524
525 snd_soc_card_set_drvdata(card, ctx);
526 if (mach->mach_params.subsystem_id_set)
527 snd_soc_card_set_pci_ssid(card,
528 mach->mach_params.subsystem_vendor,
529 mach->mach_params.subsystem_device);
530
531 dmi_check_system(soc_sdw_quirk_table);
532
533 if (quirk_override != -1) {
534 dev_info(&pdev->dev, "Overriding quirk 0x%lx => 0x%x\n",
535 soc_sdw_quirk, quirk_override);
536 soc_sdw_quirk = quirk_override;
537 }
538
539 log_quirks(&pdev->dev);
540
541 ctx->mc_quirk = soc_sdw_quirk;
542 dev_dbg(&pdev->dev, "legacy quirk 0x%lx\n", ctx->mc_quirk);
543 /* reset amp_num to ensure amp_num++ starts from 0 in each probe */
544 for (i = 0; i < ctx->codec_info_list_count; i++)
545 codec_info_list[i].amp_num = 0;
546
547 ret = soc_card_dai_links_create(card);
548 if (ret < 0)
549 return ret;
550
551 /*
552 * the default amp_num is zero for each codec and
553 * amp_num will only be increased for active amp
554 * codecs on used platform
555 */
556 for (i = 0; i < ctx->codec_info_list_count; i++)
557 amp_num += codec_info_list[i].amp_num;
558
559 card->components = devm_kasprintf(&pdev->dev, GFP_KERNEL,
560 " cfg-amp:%d", amp_num);
561 if (!card->components)
562 return -ENOMEM;
563 if (soc_sdw_quirk & ASOC_SDW_ACP_DMIC) {
564 card->components = devm_kasprintf(&pdev->dev, GFP_KERNEL,
565 "%s mic:acp-dmic cfg-mics:%d",
566 card->components,
567 1);
568 if (!card->components)
569 return -ENOMEM;
570 }
571
572 /* Register the card */
573 ret = devm_snd_soc_register_card(&pdev->dev, card);
574 if (ret) {
575 dev_err_probe(&pdev->dev, ret, "snd_soc_register_card failed %d\n", ret);
576 asoc_sdw_mc_dailink_exit_loop(card);
577 return ret;
578 }
579
580 platform_set_drvdata(pdev, card);
581
582 return ret;
583 }
584
mc_remove(struct platform_device * pdev)585 static void mc_remove(struct platform_device *pdev)
586 {
587 struct snd_soc_card *card = platform_get_drvdata(pdev);
588
589 asoc_sdw_mc_dailink_exit_loop(card);
590 }
591
592 static const struct platform_device_id mc_id_table[] = {
593 { .name = "amd_sdw" },
594 { }
595 };
596 MODULE_DEVICE_TABLE(platform, mc_id_table);
597
598 static struct platform_driver soc_sdw_driver = {
599 .driver = {
600 .name = "amd_sdw",
601 .pm = &snd_soc_pm_ops,
602 },
603 .probe = mc_probe,
604 .remove = mc_remove,
605 .id_table = mc_id_table,
606 };
607
608 module_platform_driver(soc_sdw_driver);
609
610 MODULE_DESCRIPTION("ASoC AMD SoundWire Legacy Generic Machine driver");
611 MODULE_AUTHOR("Vijendar Mukunda <Vijendar.Mukunda@amd.com>");
612 MODULE_LICENSE("GPL");
613 MODULE_IMPORT_NS("SND_SOC_SDW_UTILS");
614 MODULE_IMPORT_NS("SND_SOC_AMD_SDW_MACH");
615