xref: /openbmc/linux/sound/soc/intel/boards/sof_sdw.c (revision 887069f4)
1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright (c) 2020 Intel Corporation
3 
4 /*
5  *  sof_sdw - ASOC Machine driver for Intel SoundWire platforms
6  */
7 
8 #include <linux/device.h>
9 #include <linux/dmi.h>
10 #include <linux/module.h>
11 #include <linux/soundwire/sdw.h>
12 #include <linux/soundwire/sdw_type.h>
13 #include <sound/soc.h>
14 #include <sound/soc-acpi.h>
15 #include "sof_sdw_common.h"
16 #include "../../codecs/rt711.h"
17 
18 unsigned long sof_sdw_quirk = RT711_JD1;
19 static int quirk_override = -1;
20 module_param_named(quirk, quirk_override, int, 0444);
21 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
22 
23 #define INC_ID(BE, CPU, LINK)	do { (BE)++; (CPU)++; (LINK)++; } while (0)
24 
25 static void log_quirks(struct device *dev)
26 {
27 	if (SOF_RT711_JDSRC(sof_sdw_quirk))
28 		dev_dbg(dev, "quirk realtek,jack-detect-source %ld\n",
29 			SOF_RT711_JDSRC(sof_sdw_quirk));
30 	if (sof_sdw_quirk & SOF_SDW_FOUR_SPK)
31 		dev_dbg(dev, "quirk SOF_SDW_FOUR_SPK enabled\n");
32 	if (sof_sdw_quirk & SOF_SDW_TGL_HDMI)
33 		dev_dbg(dev, "quirk SOF_SDW_TGL_HDMI enabled\n");
34 	if (sof_sdw_quirk & SOF_SDW_PCH_DMIC)
35 		dev_dbg(dev, "quirk SOF_SDW_PCH_DMIC enabled\n");
36 	if (SOF_SSP_GET_PORT(sof_sdw_quirk))
37 		dev_dbg(dev, "SSP port %ld\n",
38 			SOF_SSP_GET_PORT(sof_sdw_quirk));
39 	if (sof_sdw_quirk & SOF_RT715_DAI_ID_FIX)
40 		dev_dbg(dev, "quirk SOF_RT715_DAI_ID_FIX enabled\n");
41 	if (sof_sdw_quirk & SOF_SDW_NO_AGGREGATION)
42 		dev_dbg(dev, "quirk SOF_SDW_NO_AGGREGATION enabled\n");
43 }
44 
45 static int sof_sdw_quirk_cb(const struct dmi_system_id *id)
46 {
47 	sof_sdw_quirk = (unsigned long)id->driver_data;
48 	return 1;
49 }
50 
51 static const struct dmi_system_id sof_sdw_quirk_table[] = {
52 	/* CometLake devices */
53 	{
54 		.callback = sof_sdw_quirk_cb,
55 		.matches = {
56 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
57 			DMI_MATCH(DMI_PRODUCT_NAME, "CometLake Client"),
58 		},
59 		.driver_data = (void *)SOF_SDW_PCH_DMIC,
60 	},
61 	{
62 		.callback = sof_sdw_quirk_cb,
63 		.matches = {
64 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
65 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6")
66 		},
67 		.driver_data = (void *)(RT711_JD2 |
68 					SOF_RT715_DAI_ID_FIX),
69 	},
70 	{
71 		/* early version of SKU 09C6 */
72 		.callback = sof_sdw_quirk_cb,
73 		.matches = {
74 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
75 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983")
76 		},
77 		.driver_data = (void *)(RT711_JD2 |
78 					SOF_RT715_DAI_ID_FIX),
79 	},
80 	{
81 		.callback = sof_sdw_quirk_cb,
82 		.matches = {
83 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
84 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"),
85 		},
86 		.driver_data = (void *)(RT711_JD2 |
87 					SOF_RT715_DAI_ID_FIX |
88 					SOF_SDW_FOUR_SPK),
89 	},
90 	{
91 		.callback = sof_sdw_quirk_cb,
92 		.matches = {
93 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
94 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"),
95 		},
96 		.driver_data = (void *)(RT711_JD2 |
97 					SOF_RT715_DAI_ID_FIX |
98 					SOF_SDW_FOUR_SPK),
99 	},
100 	/* IceLake devices */
101 	{
102 		.callback = sof_sdw_quirk_cb,
103 		.matches = {
104 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
105 			DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
106 		},
107 		.driver_data = (void *)SOF_SDW_PCH_DMIC,
108 	},
109 	/* TigerLake devices */
110 	{
111 		.callback = sof_sdw_quirk_cb,
112 		.matches = {
113 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
114 			DMI_MATCH(DMI_PRODUCT_NAME,
115 				  "Tiger Lake Client Platform"),
116 		},
117 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
118 					RT711_JD1 |
119 					SOF_SDW_PCH_DMIC |
120 					SOF_SSP_PORT(SOF_I2S_SSP2)),
121 	},
122 	{
123 		.callback = sof_sdw_quirk_cb,
124 		.matches = {
125 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
126 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3E")
127 		},
128 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
129 					RT711_JD2 |
130 					SOF_RT715_DAI_ID_FIX),
131 	},
132 	{
133 		/* Dell XPS 9710 */
134 		.callback = sof_sdw_quirk_cb,
135 		.matches = {
136 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
137 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5D")
138 		},
139 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
140 					RT711_JD2 |
141 					SOF_RT715_DAI_ID_FIX |
142 					SOF_SDW_FOUR_SPK),
143 	},
144 	{
145 		.callback = sof_sdw_quirk_cb,
146 		.matches = {
147 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
148 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E")
149 		},
150 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
151 					RT711_JD2 |
152 					SOF_RT715_DAI_ID_FIX |
153 					SOF_SDW_FOUR_SPK),
154 	},
155 	{
156 		.callback = sof_sdw_quirk_cb,
157 		.matches = {
158 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
159 			DMI_MATCH(DMI_PRODUCT_NAME, "Volteer"),
160 		},
161 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
162 					SOF_SDW_PCH_DMIC |
163 					SOF_SDW_FOUR_SPK |
164 					SOF_BT_OFFLOAD_SSP(2) |
165 					SOF_SSP_BT_OFFLOAD_PRESENT),
166 	},
167 	{
168 		.callback = sof_sdw_quirk_cb,
169 		.matches = {
170 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
171 			DMI_MATCH(DMI_PRODUCT_NAME, "Ripto"),
172 		},
173 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
174 					SOF_SDW_PCH_DMIC |
175 					SOF_SDW_FOUR_SPK),
176 	},
177 	{
178 		/*
179 		 * this entry covers multiple HP SKUs. The family name
180 		 * does not seem robust enough, so we use a partial
181 		 * match that ignores the product name suffix
182 		 * (e.g. 15-eb1xxx, 14t-ea000 or 13-aw2xxx)
183 		 */
184 		.callback = sof_sdw_quirk_cb,
185 		.matches = {
186 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
187 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Spectre x360 Convertible"),
188 		},
189 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
190 					SOF_SDW_PCH_DMIC |
191 					RT711_JD2),
192 	},
193 	{
194 		/* NUC15 'Bishop County' LAPBC510 and LAPBC710 skews */
195 		.callback = sof_sdw_quirk_cb,
196 		.matches = {
197 			DMI_MATCH(DMI_SYS_VENDOR, "Intel(R) Client Systems"),
198 			DMI_MATCH(DMI_PRODUCT_NAME, "LAPBC"),
199 		},
200 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
201 					SOF_SDW_PCH_DMIC |
202 					RT711_JD1),
203 	},
204 	/* TigerLake-SDCA devices */
205 	{
206 		.callback = sof_sdw_quirk_cb,
207 		.matches = {
208 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
209 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A32")
210 		},
211 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
212 					RT711_JD2 |
213 					SOF_RT715_DAI_ID_FIX |
214 					SOF_SDW_FOUR_SPK),
215 	},
216 	/* AlderLake devices */
217 	{
218 		.callback = sof_sdw_quirk_cb,
219 		.matches = {
220 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
221 			DMI_MATCH(DMI_PRODUCT_NAME, "Alder Lake Client Platform"),
222 		},
223 		.driver_data = (void *)(RT711_JD2_100K |
224 					SOF_SDW_TGL_HDMI |
225 					SOF_RT715_DAI_ID_FIX |
226 					SOF_BT_OFFLOAD_SSP(2) |
227 					SOF_SSP_BT_OFFLOAD_PRESENT),
228 	},
229 	{
230 		.callback = sof_sdw_quirk_cb,
231 		.matches = {
232 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
233 			DMI_MATCH(DMI_PRODUCT_NAME, "Brya"),
234 		},
235 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
236 					SOF_SDW_PCH_DMIC |
237 					SOF_SDW_FOUR_SPK |
238 					SOF_BT_OFFLOAD_SSP(2) |
239 					SOF_SSP_BT_OFFLOAD_PRESENT),
240 	},
241 	{}
242 };
243 
244 static struct snd_soc_dai_link_component dmic_component[] = {
245 	{
246 		.name = "dmic-codec",
247 		.dai_name = "dmic-hifi",
248 	}
249 };
250 
251 static struct snd_soc_dai_link_component platform_component[] = {
252 	{
253 		/* name might be overridden during probe */
254 		.name = "0000:00:1f.3"
255 	}
256 };
257 
258 /* these wrappers are only needed to avoid typecast compilation errors */
259 int sdw_startup(struct snd_pcm_substream *substream)
260 {
261 	return sdw_startup_stream(substream);
262 }
263 
264 int sdw_prepare(struct snd_pcm_substream *substream)
265 {
266 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
267 	struct sdw_stream_runtime *sdw_stream;
268 	struct snd_soc_dai *dai;
269 
270 	/* Find stream from first CPU DAI */
271 	dai = asoc_rtd_to_cpu(rtd, 0);
272 
273 	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
274 
275 	if (IS_ERR(sdw_stream)) {
276 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
277 		return PTR_ERR(sdw_stream);
278 	}
279 
280 	return sdw_prepare_stream(sdw_stream);
281 }
282 
283 int sdw_trigger(struct snd_pcm_substream *substream, int cmd)
284 {
285 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
286 	struct sdw_stream_runtime *sdw_stream;
287 	struct snd_soc_dai *dai;
288 	int ret;
289 
290 	/* Find stream from first CPU DAI */
291 	dai = asoc_rtd_to_cpu(rtd, 0);
292 
293 	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
294 
295 	if (IS_ERR(sdw_stream)) {
296 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
297 		return PTR_ERR(sdw_stream);
298 	}
299 
300 	switch (cmd) {
301 	case SNDRV_PCM_TRIGGER_START:
302 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
303 	case SNDRV_PCM_TRIGGER_RESUME:
304 		ret = sdw_enable_stream(sdw_stream);
305 		break;
306 
307 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
308 	case SNDRV_PCM_TRIGGER_SUSPEND:
309 	case SNDRV_PCM_TRIGGER_STOP:
310 		ret = sdw_disable_stream(sdw_stream);
311 		break;
312 	default:
313 		ret = -EINVAL;
314 		break;
315 	}
316 
317 	if (ret)
318 		dev_err(rtd->dev, "%s trigger %d failed: %d", __func__, cmd, ret);
319 
320 	return ret;
321 }
322 
323 int sdw_hw_free(struct snd_pcm_substream *substream)
324 {
325 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
326 	struct sdw_stream_runtime *sdw_stream;
327 	struct snd_soc_dai *dai;
328 
329 	/* Find stream from first CPU DAI */
330 	dai = asoc_rtd_to_cpu(rtd, 0);
331 
332 	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
333 
334 	if (IS_ERR(sdw_stream)) {
335 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
336 		return PTR_ERR(sdw_stream);
337 	}
338 
339 	return sdw_deprepare_stream(sdw_stream);
340 }
341 
342 void sdw_shutdown(struct snd_pcm_substream *substream)
343 {
344 	sdw_shutdown_stream(substream);
345 }
346 
347 static const struct snd_soc_ops sdw_ops = {
348 	.startup = sdw_startup,
349 	.prepare = sdw_prepare,
350 	.trigger = sdw_trigger,
351 	.hw_free = sdw_hw_free,
352 	.shutdown = sdw_shutdown,
353 };
354 
355 static int sof_sdw_mic_codec_mockup_init(struct snd_soc_card *card,
356 					 const struct snd_soc_acpi_link_adr *link,
357 					 struct snd_soc_dai_link *dai_links,
358 					 struct sof_sdw_codec_info *info,
359 					 bool playback)
360 {
361 	/*
362 	 * force DAI link to use same ID as RT715 and DMIC
363 	 * to reuse topologies
364 	 */
365 	dai_links->id = SDW_DMIC_DAI_ID;
366 	return 0;
367 }
368 
369 static struct sof_sdw_codec_info codec_info_list[] = {
370 	{
371 		.part_id = 0x700,
372 		.direction = {true, true},
373 		.dai_name = "rt700-aif1",
374 		.init = sof_sdw_rt700_init,
375 	},
376 	{
377 		.part_id = 0x711,
378 		.version_id = 3,
379 		.direction = {true, true},
380 		.dai_name = "rt711-sdca-aif1",
381 		.init = sof_sdw_rt711_sdca_init,
382 		.exit = sof_sdw_rt711_sdca_exit,
383 	},
384 	{
385 		.part_id = 0x711,
386 		.version_id = 2,
387 		.direction = {true, true},
388 		.dai_name = "rt711-aif1",
389 		.init = sof_sdw_rt711_init,
390 		.exit = sof_sdw_rt711_exit,
391 	},
392 	{
393 		.part_id = 0x1308,
394 		.acpi_id = "10EC1308",
395 		.direction = {true, false},
396 		.dai_name = "rt1308-aif",
397 		.ops = &sof_sdw_rt1308_i2s_ops,
398 		.init = sof_sdw_rt1308_init,
399 	},
400 	{
401 		.part_id = 0x1316,
402 		.direction = {true, true},
403 		.dai_name = "rt1316-aif",
404 		.init = sof_sdw_rt1316_init,
405 	},
406 	{
407 		.part_id = 0x714,
408 		.version_id = 3,
409 		.direction = {false, true},
410 		.ignore_pch_dmic = true,
411 		.dai_name = "rt715-aif2",
412 		.init = sof_sdw_rt715_sdca_init,
413 	},
414 	{
415 		.part_id = 0x715,
416 		.version_id = 3,
417 		.direction = {false, true},
418 		.ignore_pch_dmic = true,
419 		.dai_name = "rt715-aif2",
420 		.init = sof_sdw_rt715_sdca_init,
421 	},
422 	{
423 		.part_id = 0x714,
424 		.version_id = 2,
425 		.direction = {false, true},
426 		.ignore_pch_dmic = true,
427 		.dai_name = "rt715-aif2",
428 		.init = sof_sdw_rt715_init,
429 	},
430 	{
431 		.part_id = 0x715,
432 		.version_id = 2,
433 		.direction = {false, true},
434 		.ignore_pch_dmic = true,
435 		.dai_name = "rt715-aif2",
436 		.init = sof_sdw_rt715_init,
437 	},
438 	{
439 		.part_id = 0x8373,
440 		.direction = {true, true},
441 		.dai_name = "max98373-aif1",
442 		.init = sof_sdw_mx8373_init,
443 		.codec_card_late_probe = sof_sdw_mx8373_late_probe,
444 	},
445 	{
446 		.part_id = 0x5682,
447 		.direction = {true, true},
448 		.dai_name = "rt5682-sdw",
449 		.init = sof_sdw_rt5682_init,
450 	},
451 	{
452 		.part_id = 0xaaaa, /* generic codec mockup */
453 		.version_id = 0,
454 		.direction = {true, true},
455 		.dai_name = "sdw-mockup-aif1",
456 		.init = NULL,
457 	},
458 	{
459 		.part_id = 0xaa55, /* headset codec mockup */
460 		.version_id = 0,
461 		.direction = {true, true},
462 		.dai_name = "sdw-mockup-aif1",
463 		.init = NULL,
464 	},
465 	{
466 		.part_id = 0x55aa, /* amplifier mockup */
467 		.version_id = 0,
468 		.direction = {true, false},
469 		.dai_name = "sdw-mockup-aif1",
470 		.init = NULL,
471 	},
472 	{
473 		.part_id = 0x5555,
474 		.version_id = 0,
475 		.direction = {false, true},
476 		.dai_name = "sdw-mockup-aif1",
477 		.init = sof_sdw_mic_codec_mockup_init,
478 	},
479 };
480 
481 static inline int find_codec_info_part(u64 adr)
482 {
483 	unsigned int part_id, sdw_version;
484 	int i;
485 
486 	part_id = SDW_PART_ID(adr);
487 	sdw_version = SDW_VERSION(adr);
488 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
489 		/*
490 		 * A codec info is for all sdw version with the part id if
491 		 * version_id is not specified in the codec info.
492 		 */
493 		if (part_id == codec_info_list[i].part_id &&
494 		    (!codec_info_list[i].version_id ||
495 		     sdw_version == codec_info_list[i].version_id))
496 			return i;
497 
498 	return -EINVAL;
499 
500 }
501 
502 static inline int find_codec_info_acpi(const u8 *acpi_id)
503 {
504 	int i;
505 
506 	if (!acpi_id[0])
507 		return -EINVAL;
508 
509 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
510 		if (!memcmp(codec_info_list[i].acpi_id, acpi_id,
511 			    ACPI_ID_LEN))
512 			break;
513 
514 	if (i == ARRAY_SIZE(codec_info_list))
515 		return -EINVAL;
516 
517 	return i;
518 }
519 
520 /*
521  * get BE dailink number and CPU DAI number based on sdw link adr.
522  * Since some sdw slaves may be aggregated, the CPU DAI number
523  * may be larger than the number of BE dailinks.
524  */
525 static int get_sdw_dailink_info(const struct snd_soc_acpi_link_adr *links,
526 				int *sdw_be_num, int *sdw_cpu_dai_num)
527 {
528 	const struct snd_soc_acpi_link_adr *link;
529 	bool group_visited[SDW_MAX_GROUPS];
530 	bool no_aggregation;
531 	int i;
532 
533 	no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
534 	*sdw_cpu_dai_num = 0;
535 	*sdw_be_num  = 0;
536 
537 	if (!links)
538 		return -EINVAL;
539 
540 	for (i = 0; i < SDW_MAX_GROUPS; i++)
541 		group_visited[i] = false;
542 
543 	for (link = links; link->num_adr; link++) {
544 		const struct snd_soc_acpi_endpoint *endpoint;
545 		int codec_index;
546 		int stream;
547 		u64 adr;
548 
549 		adr = link->adr_d->adr;
550 		codec_index = find_codec_info_part(adr);
551 		if (codec_index < 0)
552 			return codec_index;
553 
554 		endpoint = link->adr_d->endpoints;
555 
556 		/* count DAI number for playback and capture */
557 		for_each_pcm_streams(stream) {
558 			if (!codec_info_list[codec_index].direction[stream])
559 				continue;
560 
561 			(*sdw_cpu_dai_num)++;
562 
563 			/* count BE for each non-aggregated slave or group */
564 			if (!endpoint->aggregated || no_aggregation ||
565 			    !group_visited[endpoint->group_id])
566 				(*sdw_be_num)++;
567 		}
568 
569 		if (endpoint->aggregated)
570 			group_visited[endpoint->group_id] = true;
571 	}
572 
573 	return 0;
574 }
575 
576 static void init_dai_link(struct device *dev, struct snd_soc_dai_link *dai_links,
577 			  int be_id, char *name, int playback, int capture,
578 			  struct snd_soc_dai_link_component *cpus, int cpus_num,
579 			  struct snd_soc_dai_link_component *codecs, int codecs_num,
580 			  int (*init)(struct snd_soc_pcm_runtime *rtd),
581 			  const struct snd_soc_ops *ops)
582 {
583 	dev_dbg(dev, "create dai link %s, id %d\n", name, be_id);
584 	dai_links->id = be_id;
585 	dai_links->name = name;
586 	dai_links->platforms = platform_component;
587 	dai_links->num_platforms = ARRAY_SIZE(platform_component);
588 	dai_links->no_pcm = 1;
589 	dai_links->cpus = cpus;
590 	dai_links->num_cpus = cpus_num;
591 	dai_links->codecs = codecs;
592 	dai_links->num_codecs = codecs_num;
593 	dai_links->dpcm_playback = playback;
594 	dai_links->dpcm_capture = capture;
595 	dai_links->init = init;
596 	dai_links->ops = ops;
597 }
598 
599 static bool is_unique_device(const struct snd_soc_acpi_link_adr *link,
600 			     unsigned int sdw_version,
601 			     unsigned int mfg_id,
602 			     unsigned int part_id,
603 			     unsigned int class_id,
604 			     int index_in_link
605 			    )
606 {
607 	int i;
608 
609 	for (i = 0; i < link->num_adr; i++) {
610 		unsigned int sdw1_version, mfg1_id, part1_id, class1_id;
611 		u64 adr;
612 
613 		/* skip itself */
614 		if (i == index_in_link)
615 			continue;
616 
617 		adr = link->adr_d[i].adr;
618 
619 		sdw1_version = SDW_VERSION(adr);
620 		mfg1_id = SDW_MFG_ID(adr);
621 		part1_id = SDW_PART_ID(adr);
622 		class1_id = SDW_CLASS_ID(adr);
623 
624 		if (sdw_version == sdw1_version &&
625 		    mfg_id == mfg1_id &&
626 		    part_id == part1_id &&
627 		    class_id == class1_id)
628 			return false;
629 	}
630 
631 	return true;
632 }
633 
634 static int create_codec_dai_name(struct device *dev,
635 				 const struct snd_soc_acpi_link_adr *link,
636 				 struct snd_soc_dai_link_component *codec,
637 				 int offset,
638 				 struct snd_soc_codec_conf *codec_conf,
639 				 int codec_count,
640 				 int *codec_conf_index)
641 {
642 	int i;
643 
644 	/* sanity check */
645 	if (*codec_conf_index + link->num_adr > codec_count) {
646 		dev_err(dev, "codec_conf: out-of-bounds access requested\n");
647 		return -EINVAL;
648 	}
649 
650 	for (i = 0; i < link->num_adr; i++) {
651 		unsigned int sdw_version, unique_id, mfg_id;
652 		unsigned int link_id, part_id, class_id;
653 		int codec_index, comp_index;
654 		char *codec_str;
655 		u64 adr;
656 
657 		adr = link->adr_d[i].adr;
658 
659 		sdw_version = SDW_VERSION(adr);
660 		link_id = SDW_DISCO_LINK_ID(adr);
661 		unique_id = SDW_UNIQUE_ID(adr);
662 		mfg_id = SDW_MFG_ID(adr);
663 		part_id = SDW_PART_ID(adr);
664 		class_id = SDW_CLASS_ID(adr);
665 
666 		comp_index = i + offset;
667 		if (is_unique_device(link, sdw_version, mfg_id, part_id,
668 				     class_id, i)) {
669 			codec_str = "sdw:%01x:%04x:%04x:%02x";
670 			codec[comp_index].name =
671 				devm_kasprintf(dev, GFP_KERNEL, codec_str,
672 					       link_id, mfg_id, part_id,
673 					       class_id);
674 		} else {
675 			codec_str = "sdw:%01x:%04x:%04x:%02x:%01x";
676 			codec[comp_index].name =
677 				devm_kasprintf(dev, GFP_KERNEL, codec_str,
678 					       link_id, mfg_id, part_id,
679 					       class_id, unique_id);
680 		}
681 
682 		if (!codec[comp_index].name)
683 			return -ENOMEM;
684 
685 		codec_index = find_codec_info_part(adr);
686 		if (codec_index < 0)
687 			return codec_index;
688 
689 		codec[comp_index].dai_name =
690 			codec_info_list[codec_index].dai_name;
691 
692 		codec_conf[*codec_conf_index].dlc = codec[comp_index];
693 		codec_conf[*codec_conf_index].name_prefix = link->adr_d[i].name_prefix;
694 
695 		++*codec_conf_index;
696 	}
697 
698 	return 0;
699 }
700 
701 static int set_codec_init_func(struct snd_soc_card *card,
702 			       const struct snd_soc_acpi_link_adr *link,
703 			       struct snd_soc_dai_link *dai_links,
704 			       bool playback, int group_id)
705 {
706 	int i;
707 
708 	do {
709 		/*
710 		 * Initialize the codec. If codec is part of an aggregated
711 		 * group (group_id>0), initialize all codecs belonging to
712 		 * same group.
713 		 */
714 		for (i = 0; i < link->num_adr; i++) {
715 			int codec_index;
716 
717 			codec_index = find_codec_info_part(link->adr_d[i].adr);
718 
719 			if (codec_index < 0)
720 				return codec_index;
721 			/* The group_id is > 0 iff the codec is aggregated */
722 			if (link->adr_d[i].endpoints->group_id != group_id)
723 				continue;
724 			if (codec_info_list[codec_index].init)
725 				codec_info_list[codec_index].init(card,
726 						link,
727 						dai_links,
728 						&codec_info_list[codec_index],
729 						playback);
730 		}
731 		link++;
732 	} while (link->mask && group_id);
733 
734 	return 0;
735 }
736 
737 /*
738  * check endpoint status in slaves and gather link ID for all slaves in
739  * the same group to generate different CPU DAI. Now only support
740  * one sdw link with all slaves set with only single group id.
741  *
742  * one slave on one sdw link with aggregated = 0
743  * one sdw BE DAI <---> one-cpu DAI <---> one-codec DAI
744  *
745  * two or more slaves on one sdw link with aggregated = 0
746  * one sdw BE DAI  <---> one-cpu DAI <---> multi-codec DAIs
747  *
748  * multiple links with multiple slaves with aggregated = 1
749  * one sdw BE DAI  <---> 1 .. N CPU DAIs <----> 1 .. N codec DAIs
750  */
751 static int get_slave_info(const struct snd_soc_acpi_link_adr *adr_link,
752 			  struct device *dev, int *cpu_dai_id, int *cpu_dai_num,
753 			  int *codec_num, unsigned int *group_id,
754 			  bool *group_generated)
755 {
756 	const struct snd_soc_acpi_adr_device *adr_d;
757 	const struct snd_soc_acpi_link_adr *adr_next;
758 	bool no_aggregation;
759 	int index = 0;
760 
761 	no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
762 	*codec_num = adr_link->num_adr;
763 	adr_d = adr_link->adr_d;
764 
765 	/* make sure the link mask has a single bit set */
766 	if (!is_power_of_2(adr_link->mask))
767 		return -EINVAL;
768 
769 	cpu_dai_id[index++] = ffs(adr_link->mask) - 1;
770 	if (!adr_d->endpoints->aggregated || no_aggregation) {
771 		*cpu_dai_num = 1;
772 		*group_id = 0;
773 		return 0;
774 	}
775 
776 	*group_id = adr_d->endpoints->group_id;
777 
778 	/* gather other link ID of slaves in the same group */
779 	for (adr_next = adr_link + 1; adr_next && adr_next->num_adr;
780 		adr_next++) {
781 		const struct snd_soc_acpi_endpoint *endpoint;
782 
783 		endpoint = adr_next->adr_d->endpoints;
784 		if (!endpoint->aggregated ||
785 		    endpoint->group_id != *group_id)
786 			continue;
787 
788 		/* make sure the link mask has a single bit set */
789 		if (!is_power_of_2(adr_next->mask))
790 			return -EINVAL;
791 
792 		if (index >= SDW_MAX_CPU_DAIS) {
793 			dev_err(dev, " cpu_dai_id array overflows");
794 			return -EINVAL;
795 		}
796 
797 		cpu_dai_id[index++] = ffs(adr_next->mask) - 1;
798 		*codec_num += adr_next->num_adr;
799 	}
800 
801 	/*
802 	 * indicate CPU DAIs for this group have been generated
803 	 * to avoid generating CPU DAIs for this group again.
804 	 */
805 	group_generated[*group_id] = true;
806 	*cpu_dai_num = index;
807 
808 	return 0;
809 }
810 
811 static int create_sdw_dailink(struct snd_soc_card *card,
812 			      struct device *dev, int *be_index,
813 			      struct snd_soc_dai_link *dai_links,
814 			      int sdw_be_num, int sdw_cpu_dai_num,
815 			      struct snd_soc_dai_link_component *cpus,
816 			      const struct snd_soc_acpi_link_adr *link,
817 			      int *cpu_id, bool *group_generated,
818 			      struct snd_soc_codec_conf *codec_conf,
819 			      int codec_count,
820 			      int *codec_conf_index,
821 			      bool *ignore_pch_dmic)
822 {
823 	const struct snd_soc_acpi_link_adr *link_next;
824 	struct snd_soc_dai_link_component *codecs;
825 	int cpu_dai_id[SDW_MAX_CPU_DAIS];
826 	int cpu_dai_num, cpu_dai_index;
827 	unsigned int group_id;
828 	int codec_idx = 0;
829 	int i = 0, j = 0;
830 	int codec_index;
831 	int codec_num;
832 	int stream;
833 	int ret;
834 	int k;
835 
836 	ret = get_slave_info(link, dev, cpu_dai_id, &cpu_dai_num, &codec_num,
837 			     &group_id, group_generated);
838 	if (ret)
839 		return ret;
840 
841 	codecs = devm_kcalloc(dev, codec_num, sizeof(*codecs), GFP_KERNEL);
842 	if (!codecs)
843 		return -ENOMEM;
844 
845 	/* generate codec name on different links in the same group */
846 	for (link_next = link; link_next && link_next->num_adr &&
847 	     i < cpu_dai_num; link_next++) {
848 		const struct snd_soc_acpi_endpoint *endpoints;
849 
850 		endpoints = link_next->adr_d->endpoints;
851 		if (group_id && (!endpoints->aggregated ||
852 				 endpoints->group_id != group_id))
853 			continue;
854 
855 		/* skip the link excluded by this processed group */
856 		if (cpu_dai_id[i] != ffs(link_next->mask) - 1)
857 			continue;
858 
859 		ret = create_codec_dai_name(dev, link_next, codecs, codec_idx,
860 					    codec_conf, codec_count, codec_conf_index);
861 		if (ret < 0)
862 			return ret;
863 
864 		/* check next link to create codec dai in the processed group */
865 		i++;
866 		codec_idx += link_next->num_adr;
867 	}
868 
869 	/* find codec info to create BE DAI */
870 	codec_index = find_codec_info_part(link->adr_d[0].adr);
871 	if (codec_index < 0)
872 		return codec_index;
873 
874 	if (codec_info_list[codec_index].ignore_pch_dmic)
875 		*ignore_pch_dmic = true;
876 
877 	cpu_dai_index = *cpu_id;
878 	for_each_pcm_streams(stream) {
879 		char *name, *cpu_name;
880 		int playback, capture;
881 		static const char * const sdw_stream_name[] = {
882 			"SDW%d-Playback",
883 			"SDW%d-Capture",
884 		};
885 
886 		if (!codec_info_list[codec_index].direction[stream])
887 			continue;
888 
889 		/* create stream name according to first link id */
890 		name = devm_kasprintf(dev, GFP_KERNEL,
891 				      sdw_stream_name[stream], cpu_dai_id[0]);
892 		if (!name)
893 			return -ENOMEM;
894 
895 		/*
896 		 * generate CPU DAI name base on the sdw link ID and
897 		 * PIN ID with offset of 2 according to sdw dai driver.
898 		 */
899 		for (k = 0; k < cpu_dai_num; k++) {
900 			cpu_name = devm_kasprintf(dev, GFP_KERNEL,
901 						  "SDW%d Pin%d", cpu_dai_id[k],
902 						  j + SDW_INTEL_BIDIR_PDI_BASE);
903 			if (!cpu_name)
904 				return -ENOMEM;
905 
906 			if (cpu_dai_index >= sdw_cpu_dai_num) {
907 				dev_err(dev, "invalid cpu dai index %d",
908 					cpu_dai_index);
909 				return -EINVAL;
910 			}
911 
912 			cpus[cpu_dai_index++].dai_name = cpu_name;
913 		}
914 
915 		if (*be_index >= sdw_be_num) {
916 			dev_err(dev, " invalid be dai index %d", *be_index);
917 			return -EINVAL;
918 		}
919 
920 		if (*cpu_id >= sdw_cpu_dai_num) {
921 			dev_err(dev, " invalid cpu dai index %d", *cpu_id);
922 			return -EINVAL;
923 		}
924 
925 		playback = (stream == SNDRV_PCM_STREAM_PLAYBACK);
926 		capture = (stream == SNDRV_PCM_STREAM_CAPTURE);
927 		init_dai_link(dev, dai_links + *be_index, *be_index, name,
928 			      playback, capture,
929 			      cpus + *cpu_id, cpu_dai_num,
930 			      codecs, codec_num,
931 			      NULL, &sdw_ops);
932 
933 		ret = set_codec_init_func(card, link, dai_links + (*be_index)++,
934 					  playback, group_id);
935 		if (ret < 0) {
936 			dev_err(dev, "failed to init codec %d", codec_index);
937 			return ret;
938 		}
939 
940 		*cpu_id += cpu_dai_num;
941 		j++;
942 	}
943 
944 	return 0;
945 }
946 
947 /*
948  * DAI link ID of SSP & DMIC & HDMI are based on last
949  * link ID used by sdw link. Since be_id may be changed
950  * in init func of sdw codec, it is not equal to be_id
951  */
952 static inline int get_next_be_id(struct snd_soc_dai_link *links,
953 				 int be_id)
954 {
955 	return links[be_id - 1].id + 1;
956 }
957 
958 #define IDISP_CODEC_MASK	0x4
959 
960 static int sof_card_codec_conf_alloc(struct device *dev,
961 				     struct snd_soc_acpi_mach_params *mach_params,
962 				     struct snd_soc_codec_conf **codec_conf,
963 				     int *codec_conf_count)
964 {
965 	const struct snd_soc_acpi_link_adr *adr_link;
966 	struct snd_soc_codec_conf *c_conf;
967 	int num_codecs = 0;
968 	int i;
969 
970 	adr_link = mach_params->links;
971 	if (!adr_link)
972 		return -EINVAL;
973 
974 	/* generate DAI links by each sdw link */
975 	for (; adr_link->num_adr; adr_link++) {
976 		for (i = 0; i < adr_link->num_adr; i++) {
977 			if (!adr_link->adr_d[i].name_prefix) {
978 				dev_err(dev, "codec 0x%llx does not have a name prefix\n",
979 					adr_link->adr_d[i].adr);
980 				return -EINVAL;
981 			}
982 		}
983 		num_codecs += adr_link->num_adr;
984 	}
985 
986 	c_conf = devm_kzalloc(dev, num_codecs * sizeof(*c_conf), GFP_KERNEL);
987 	if (!c_conf)
988 		return -ENOMEM;
989 
990 	*codec_conf = c_conf;
991 	*codec_conf_count = num_codecs;
992 
993 	return 0;
994 }
995 
996 static int sof_card_dai_links_create(struct device *dev,
997 				     struct snd_soc_acpi_mach *mach,
998 				     struct snd_soc_card *card)
999 {
1000 	int ssp_num, sdw_be_num = 0, hdmi_num = 0, dmic_num;
1001 	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
1002 	struct snd_soc_dai_link_component *idisp_components;
1003 	struct snd_soc_dai_link_component *ssp_components;
1004 	struct snd_soc_acpi_mach_params *mach_params;
1005 	const struct snd_soc_acpi_link_adr *adr_link;
1006 	struct snd_soc_dai_link_component *cpus;
1007 	struct snd_soc_codec_conf *codec_conf;
1008 	bool ignore_pch_dmic = false;
1009 	int codec_conf_count;
1010 	int codec_conf_index = 0;
1011 	bool group_generated[SDW_MAX_GROUPS];
1012 	int ssp_codec_index, ssp_mask;
1013 	struct snd_soc_dai_link *links;
1014 	int num_links, link_id = 0;
1015 	char *name, *cpu_name;
1016 	int total_cpu_dai_num;
1017 	int sdw_cpu_dai_num;
1018 	int i, j, be_id = 0;
1019 	int cpu_id = 0;
1020 	int comp_num;
1021 	int ret;
1022 
1023 	mach_params = &mach->mach_params;
1024 
1025 	/* allocate codec conf, will be populated when dailinks are created */
1026 	ret = sof_card_codec_conf_alloc(dev, mach_params, &codec_conf, &codec_conf_count);
1027 	if (ret < 0)
1028 		return ret;
1029 
1030 	/* reset amp_num to ensure amp_num++ starts from 0 in each probe */
1031 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1032 		codec_info_list[i].amp_num = 0;
1033 
1034 	if (sof_sdw_quirk & SOF_SDW_TGL_HDMI)
1035 		hdmi_num = SOF_TGL_HDMI_COUNT;
1036 	else
1037 		hdmi_num = SOF_PRE_TGL_HDMI_COUNT;
1038 
1039 	ssp_mask = SOF_SSP_GET_PORT(sof_sdw_quirk);
1040 	/*
1041 	 * on generic tgl platform, I2S or sdw mode is supported
1042 	 * based on board rework. A ACPI device is registered in
1043 	 * system only when I2S mode is supported, not sdw mode.
1044 	 * Here check ACPI ID to confirm I2S is supported.
1045 	 */
1046 	ssp_codec_index = find_codec_info_acpi(mach->id);
1047 	ssp_num = ssp_codec_index >= 0 ? hweight_long(ssp_mask) : 0;
1048 	comp_num = hdmi_num + ssp_num;
1049 
1050 	ret = get_sdw_dailink_info(mach_params->links,
1051 				   &sdw_be_num, &sdw_cpu_dai_num);
1052 	if (ret < 0) {
1053 		dev_err(dev, "failed to get sdw link info %d", ret);
1054 		return ret;
1055 	}
1056 
1057 	if (mach_params->codec_mask & IDISP_CODEC_MASK)
1058 		ctx->idisp_codec = true;
1059 
1060 	/* enable dmic01 & dmic16k */
1061 	dmic_num = (sof_sdw_quirk & SOF_SDW_PCH_DMIC || mach_params->dmic_num) ? 2 : 0;
1062 	comp_num += dmic_num;
1063 
1064 	if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
1065 		comp_num++;
1066 
1067 	dev_dbg(dev, "sdw %d, ssp %d, dmic %d, hdmi %d", sdw_be_num, ssp_num,
1068 		dmic_num, ctx->idisp_codec ? hdmi_num : 0);
1069 
1070 	/* allocate BE dailinks */
1071 	num_links = comp_num + sdw_be_num;
1072 	links = devm_kcalloc(dev, num_links, sizeof(*links), GFP_KERNEL);
1073 
1074 	/* allocated CPU DAIs */
1075 	total_cpu_dai_num = comp_num + sdw_cpu_dai_num;
1076 	cpus = devm_kcalloc(dev, total_cpu_dai_num, sizeof(*cpus),
1077 			    GFP_KERNEL);
1078 
1079 	if (!links || !cpus)
1080 		return -ENOMEM;
1081 
1082 	/* SDW */
1083 	if (!sdw_be_num)
1084 		goto SSP;
1085 
1086 	adr_link = mach_params->links;
1087 	if (!adr_link)
1088 		return -EINVAL;
1089 
1090 	/*
1091 	 * SoundWire Slaves aggregated in the same group may be
1092 	 * located on different hardware links. Clear array to indicate
1093 	 * CPU DAIs for this group have not been generated.
1094 	 */
1095 	for (i = 0; i < SDW_MAX_GROUPS; i++)
1096 		group_generated[i] = false;
1097 
1098 	/* generate DAI links by each sdw link */
1099 	for (; adr_link->num_adr; adr_link++) {
1100 		const struct snd_soc_acpi_endpoint *endpoint;
1101 
1102 		endpoint = adr_link->adr_d->endpoints;
1103 		if (endpoint->aggregated && !endpoint->group_id) {
1104 			dev_err(dev, "invalid group id on link %x",
1105 				adr_link->mask);
1106 			continue;
1107 		}
1108 
1109 		/* this group has been generated */
1110 		if (endpoint->aggregated &&
1111 		    group_generated[endpoint->group_id])
1112 			continue;
1113 
1114 		ret = create_sdw_dailink(card, dev, &be_id, links, sdw_be_num,
1115 					 sdw_cpu_dai_num, cpus, adr_link,
1116 					 &cpu_id, group_generated,
1117 					 codec_conf, codec_conf_count,
1118 					 &codec_conf_index,
1119 					 &ignore_pch_dmic);
1120 		if (ret < 0) {
1121 			dev_err(dev, "failed to create dai link %d", be_id);
1122 			return -ENOMEM;
1123 		}
1124 	}
1125 
1126 	/* non-sdw DAI follows sdw DAI */
1127 	link_id = be_id;
1128 
1129 	/* get BE ID for non-sdw DAI */
1130 	be_id = get_next_be_id(links, be_id);
1131 
1132 SSP:
1133 	/* SSP */
1134 	if (!ssp_num)
1135 		goto DMIC;
1136 
1137 	for (i = 0, j = 0; ssp_mask; i++, ssp_mask >>= 1) {
1138 		struct sof_sdw_codec_info *info;
1139 		int playback, capture;
1140 		char *codec_name;
1141 
1142 		if (!(ssp_mask & 0x1))
1143 			continue;
1144 
1145 		name = devm_kasprintf(dev, GFP_KERNEL,
1146 				      "SSP%d-Codec", i);
1147 		if (!name)
1148 			return -ENOMEM;
1149 
1150 		cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", i);
1151 		if (!cpu_name)
1152 			return -ENOMEM;
1153 
1154 		ssp_components = devm_kzalloc(dev, sizeof(*ssp_components),
1155 					      GFP_KERNEL);
1156 		if (!ssp_components)
1157 			return -ENOMEM;
1158 
1159 		info = &codec_info_list[ssp_codec_index];
1160 		codec_name = devm_kasprintf(dev, GFP_KERNEL, "i2c-%s:0%d",
1161 					    info->acpi_id, j++);
1162 		if (!codec_name)
1163 			return -ENOMEM;
1164 
1165 		ssp_components->name = codec_name;
1166 		ssp_components->dai_name = info->dai_name;
1167 		cpus[cpu_id].dai_name = cpu_name;
1168 
1169 		playback = info->direction[SNDRV_PCM_STREAM_PLAYBACK];
1170 		capture = info->direction[SNDRV_PCM_STREAM_CAPTURE];
1171 		init_dai_link(dev, links + link_id, be_id, name,
1172 			      playback, capture,
1173 			      cpus + cpu_id, 1,
1174 			      ssp_components, 1,
1175 			      NULL, info->ops);
1176 
1177 		ret = info->init(card, NULL, links + link_id, info, 0);
1178 		if (ret < 0)
1179 			return ret;
1180 
1181 		INC_ID(be_id, cpu_id, link_id);
1182 	}
1183 
1184 DMIC:
1185 	/* dmic */
1186 	if (dmic_num > 0) {
1187 		if (ignore_pch_dmic) {
1188 			dev_warn(dev, "Ignoring PCH DMIC\n");
1189 			goto HDMI;
1190 		}
1191 		cpus[cpu_id].dai_name = "DMIC01 Pin";
1192 		init_dai_link(dev, links + link_id, be_id, "dmic01",
1193 			      0, 1, // DMIC only supports capture
1194 			      cpus + cpu_id, 1,
1195 			      dmic_component, 1,
1196 			      sof_sdw_dmic_init, NULL);
1197 		INC_ID(be_id, cpu_id, link_id);
1198 
1199 		cpus[cpu_id].dai_name = "DMIC16k Pin";
1200 		init_dai_link(dev, links + link_id, be_id, "dmic16k",
1201 			      0, 1, // DMIC only supports capture
1202 			      cpus + cpu_id, 1,
1203 			      dmic_component, 1,
1204 			      /* don't call sof_sdw_dmic_init() twice */
1205 			      NULL, NULL);
1206 		INC_ID(be_id, cpu_id, link_id);
1207 	}
1208 
1209 HDMI:
1210 	/* HDMI */
1211 	if (hdmi_num > 0) {
1212 		idisp_components = devm_kcalloc(dev, hdmi_num,
1213 						sizeof(*idisp_components),
1214 						GFP_KERNEL);
1215 		if (!idisp_components)
1216 			return -ENOMEM;
1217 	}
1218 
1219 	for (i = 0; i < hdmi_num; i++) {
1220 		name = devm_kasprintf(dev, GFP_KERNEL,
1221 				      "iDisp%d", i + 1);
1222 		if (!name)
1223 			return -ENOMEM;
1224 
1225 		if (ctx->idisp_codec) {
1226 			idisp_components[i].name = "ehdaudio0D2";
1227 			idisp_components[i].dai_name = devm_kasprintf(dev,
1228 								      GFP_KERNEL,
1229 								      "intel-hdmi-hifi%d",
1230 								      i + 1);
1231 			if (!idisp_components[i].dai_name)
1232 				return -ENOMEM;
1233 		} else {
1234 			idisp_components[i].name = "snd-soc-dummy";
1235 			idisp_components[i].dai_name = "snd-soc-dummy-dai";
1236 		}
1237 
1238 		cpu_name = devm_kasprintf(dev, GFP_KERNEL,
1239 					  "iDisp%d Pin", i + 1);
1240 		if (!cpu_name)
1241 			return -ENOMEM;
1242 
1243 		cpus[cpu_id].dai_name = cpu_name;
1244 		init_dai_link(dev, links + link_id, be_id, name,
1245 			      1, 0, // HDMI only supports playback
1246 			      cpus + cpu_id, 1,
1247 			      idisp_components + i, 1,
1248 			      sof_sdw_hdmi_init, NULL);
1249 		INC_ID(be_id, cpu_id, link_id);
1250 	}
1251 
1252 	if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
1253 		int port = (sof_sdw_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
1254 				SOF_BT_OFFLOAD_SSP_SHIFT;
1255 
1256 		name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
1257 		if (!name)
1258 			return -ENOMEM;
1259 
1260 		ssp_components = devm_kzalloc(dev, sizeof(*ssp_components),
1261 						GFP_KERNEL);
1262 		if (!ssp_components)
1263 			return -ENOMEM;
1264 
1265 		ssp_components->name = "snd-soc-dummy";
1266 		ssp_components->dai_name = "snd-soc-dummy-dai";
1267 
1268 		cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", port);
1269 		if (!cpu_name)
1270 			return -ENOMEM;
1271 
1272 		cpus[cpu_id].dai_name = cpu_name;
1273 		init_dai_link(dev, links + link_id, be_id, name, 1, 1,
1274 				cpus + cpu_id, 1, ssp_components, 1, NULL, NULL);
1275 	}
1276 
1277 	card->dai_link = links;
1278 	card->num_links = num_links;
1279 
1280 	card->codec_conf = codec_conf;
1281 	card->num_configs = codec_conf_count;
1282 
1283 	return 0;
1284 }
1285 
1286 static int sof_sdw_card_late_probe(struct snd_soc_card *card)
1287 {
1288 	int i, ret;
1289 
1290 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
1291 		if (!codec_info_list[i].late_probe)
1292 			continue;
1293 
1294 		ret = codec_info_list[i].codec_card_late_probe(card);
1295 		if (ret < 0)
1296 			return ret;
1297 	}
1298 
1299 	return sof_sdw_hdmi_card_late_probe(card);
1300 }
1301 
1302 /* SoC card */
1303 static const char sdw_card_long_name[] = "Intel Soundwire SOF";
1304 
1305 static struct snd_soc_card card_sof_sdw = {
1306 	.name = "soundwire",
1307 	.owner = THIS_MODULE,
1308 	.late_probe = sof_sdw_card_late_probe,
1309 };
1310 
1311 static int mc_probe(struct platform_device *pdev)
1312 {
1313 	struct snd_soc_card *card = &card_sof_sdw;
1314 	struct snd_soc_acpi_mach *mach;
1315 	struct mc_private *ctx;
1316 	int amp_num = 0, i;
1317 	int ret;
1318 
1319 	dev_dbg(&pdev->dev, "Entry %s\n", __func__);
1320 
1321 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
1322 	if (!ctx)
1323 		return -ENOMEM;
1324 
1325 	dmi_check_system(sof_sdw_quirk_table);
1326 
1327 	if (quirk_override != -1) {
1328 		dev_info(&pdev->dev, "Overriding quirk 0x%lx => 0x%x\n",
1329 			 sof_sdw_quirk, quirk_override);
1330 		sof_sdw_quirk = quirk_override;
1331 	}
1332 	log_quirks(&pdev->dev);
1333 
1334 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
1335 
1336 	card->dev = &pdev->dev;
1337 	snd_soc_card_set_drvdata(card, ctx);
1338 
1339 	mach = pdev->dev.platform_data;
1340 	ret = sof_card_dai_links_create(&pdev->dev, mach,
1341 					card);
1342 	if (ret < 0)
1343 		return ret;
1344 
1345 	/*
1346 	 * the default amp_num is zero for each codec and
1347 	 * amp_num will only be increased for active amp
1348 	 * codecs on used platform
1349 	 */
1350 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1351 		amp_num += codec_info_list[i].amp_num;
1352 
1353 	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
1354 					  "cfg-spk:%d cfg-amp:%d",
1355 					  (sof_sdw_quirk & SOF_SDW_FOUR_SPK)
1356 					  ? 4 : 2, amp_num);
1357 	if (!card->components)
1358 		return -ENOMEM;
1359 
1360 	if (mach->mach_params.dmic_num) {
1361 		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
1362 						  "%s mic:dmic cfg-mics:%d",
1363 						  card->components,
1364 						  mach->mach_params.dmic_num);
1365 		if (!card->components)
1366 			return -ENOMEM;
1367 	}
1368 
1369 	card->long_name = sdw_card_long_name;
1370 
1371 	/* Register the card */
1372 	ret = devm_snd_soc_register_card(&pdev->dev, card);
1373 	if (ret) {
1374 		dev_err(card->dev, "snd_soc_register_card failed %d\n", ret);
1375 		return ret;
1376 	}
1377 
1378 	platform_set_drvdata(pdev, card);
1379 
1380 	return ret;
1381 }
1382 
1383 static int mc_remove(struct platform_device *pdev)
1384 {
1385 	struct snd_soc_card *card = platform_get_drvdata(pdev);
1386 	struct snd_soc_dai_link *link;
1387 	int ret;
1388 	int i, j;
1389 
1390 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
1391 		if (!codec_info_list[i].exit)
1392 			continue;
1393 		/*
1394 		 * We don't need to call .exit function if there is no matched
1395 		 * dai link found.
1396 		 */
1397 		for_each_card_prelinks(card, j, link) {
1398 			if (!strcmp(link->codecs[0].dai_name,
1399 				    codec_info_list[i].dai_name)) {
1400 				ret = codec_info_list[i].exit(card, link);
1401 				if (ret)
1402 					dev_warn(&pdev->dev,
1403 						 "codec exit failed %d\n",
1404 						 ret);
1405 				break;
1406 			}
1407 		}
1408 	}
1409 
1410 	return 0;
1411 }
1412 
1413 static struct platform_driver sof_sdw_driver = {
1414 	.driver = {
1415 		.name = "sof_sdw",
1416 		.pm = &snd_soc_pm_ops,
1417 	},
1418 	.probe = mc_probe,
1419 	.remove = mc_remove,
1420 };
1421 
1422 module_platform_driver(sof_sdw_driver);
1423 
1424 MODULE_DESCRIPTION("ASoC SoundWire Generic Machine driver");
1425 MODULE_AUTHOR("Bard Liao <yung-chuan.liao@linux.intel.com>");
1426 MODULE_AUTHOR("Rander Wang <rander.wang@linux.intel.com>");
1427 MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
1428 MODULE_LICENSE("GPL v2");
1429 MODULE_ALIAS("platform:sof_sdw");
1430 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
1431 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
1432