xref: /openbmc/linux/sound/soc/intel/boards/sof_sdw.c (revision 869b6ca3)
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 	{
217 		.callback = sof_sdw_quirk_cb,
218 		.matches = {
219 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
220 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A45")
221 		},
222 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
223 					RT711_JD2 |
224 					SOF_RT715_DAI_ID_FIX),
225 	},
226 	/* AlderLake devices */
227 	{
228 		.callback = sof_sdw_quirk_cb,
229 		.matches = {
230 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
231 			DMI_MATCH(DMI_PRODUCT_NAME, "Alder Lake Client Platform"),
232 		},
233 		.driver_data = (void *)(RT711_JD2_100K |
234 					SOF_SDW_TGL_HDMI |
235 					SOF_RT715_DAI_ID_FIX |
236 					SOF_BT_OFFLOAD_SSP(2) |
237 					SOF_SSP_BT_OFFLOAD_PRESENT),
238 	},
239 	{
240 		.callback = sof_sdw_quirk_cb,
241 		.matches = {
242 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
243 			DMI_MATCH(DMI_PRODUCT_NAME, "Brya"),
244 		},
245 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
246 					SOF_SDW_PCH_DMIC |
247 					SOF_SDW_FOUR_SPK |
248 					SOF_BT_OFFLOAD_SSP(2) |
249 					SOF_SSP_BT_OFFLOAD_PRESENT),
250 	},
251 	{
252 		.callback = sof_sdw_quirk_cb,
253 		.matches = {
254 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
255 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AF3"),
256 		},
257 		/* No Jack */
258 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
259 					SOF_SDW_FOUR_SPK),
260 	},
261 	{
262 		.callback = sof_sdw_quirk_cb,
263 		.matches = {
264 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
265 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B00")
266 		},
267 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
268 					RT711_JD2 |
269 					SOF_SDW_FOUR_SPK),
270 	},
271 	{
272 		.callback = sof_sdw_quirk_cb,
273 		.matches = {
274 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
275 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B01")
276 		},
277 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
278 					RT711_JD2 |
279 					SOF_SDW_FOUR_SPK),
280 	},
281 	{
282 		.callback = sof_sdw_quirk_cb,
283 		.matches = {
284 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
285 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B11")
286 		},
287 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
288 					RT711_JD2 |
289 					SOF_SDW_FOUR_SPK),
290 	},
291 	{
292 		.callback = sof_sdw_quirk_cb,
293 		.matches = {
294 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
295 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B12")
296 		},
297 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
298 					RT711_JD2 |
299 					SOF_SDW_FOUR_SPK),
300 	},
301 	{
302 		.callback = sof_sdw_quirk_cb,
303 		.matches = {
304 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
305 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B13"),
306 		},
307 		/* No Jack */
308 		.driver_data = (void *)SOF_SDW_TGL_HDMI,
309 	},
310 	{
311 		.callback = sof_sdw_quirk_cb,
312 		.matches = {
313 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
314 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B29"),
315 		},
316 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
317 					RT711_JD2 |
318 					SOF_SDW_FOUR_SPK),
319 	},
320 	{}
321 };
322 
323 static struct snd_soc_dai_link_component dmic_component[] = {
324 	{
325 		.name = "dmic-codec",
326 		.dai_name = "dmic-hifi",
327 	}
328 };
329 
330 static struct snd_soc_dai_link_component platform_component[] = {
331 	{
332 		/* name might be overridden during probe */
333 		.name = "0000:00:1f.3"
334 	}
335 };
336 
337 /* these wrappers are only needed to avoid typecast compilation errors */
338 int sdw_startup(struct snd_pcm_substream *substream)
339 {
340 	return sdw_startup_stream(substream);
341 }
342 
343 int sdw_prepare(struct snd_pcm_substream *substream)
344 {
345 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
346 	struct sdw_stream_runtime *sdw_stream;
347 	struct snd_soc_dai *dai;
348 
349 	/* Find stream from first CPU DAI */
350 	dai = asoc_rtd_to_cpu(rtd, 0);
351 
352 	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
353 
354 	if (IS_ERR(sdw_stream)) {
355 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
356 		return PTR_ERR(sdw_stream);
357 	}
358 
359 	return sdw_prepare_stream(sdw_stream);
360 }
361 
362 int sdw_trigger(struct snd_pcm_substream *substream, int cmd)
363 {
364 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
365 	struct sdw_stream_runtime *sdw_stream;
366 	struct snd_soc_dai *dai;
367 	int ret;
368 
369 	/* Find stream from first CPU DAI */
370 	dai = asoc_rtd_to_cpu(rtd, 0);
371 
372 	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
373 
374 	if (IS_ERR(sdw_stream)) {
375 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
376 		return PTR_ERR(sdw_stream);
377 	}
378 
379 	switch (cmd) {
380 	case SNDRV_PCM_TRIGGER_START:
381 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
382 	case SNDRV_PCM_TRIGGER_RESUME:
383 		ret = sdw_enable_stream(sdw_stream);
384 		break;
385 
386 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
387 	case SNDRV_PCM_TRIGGER_SUSPEND:
388 	case SNDRV_PCM_TRIGGER_STOP:
389 		ret = sdw_disable_stream(sdw_stream);
390 		break;
391 	default:
392 		ret = -EINVAL;
393 		break;
394 	}
395 
396 	if (ret)
397 		dev_err(rtd->dev, "%s trigger %d failed: %d", __func__, cmd, ret);
398 
399 	return ret;
400 }
401 
402 int sdw_hw_free(struct snd_pcm_substream *substream)
403 {
404 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
405 	struct sdw_stream_runtime *sdw_stream;
406 	struct snd_soc_dai *dai;
407 
408 	/* Find stream from first CPU DAI */
409 	dai = asoc_rtd_to_cpu(rtd, 0);
410 
411 	sdw_stream = snd_soc_dai_get_sdw_stream(dai, substream->stream);
412 
413 	if (IS_ERR(sdw_stream)) {
414 		dev_err(rtd->dev, "no stream found for DAI %s", dai->name);
415 		return PTR_ERR(sdw_stream);
416 	}
417 
418 	return sdw_deprepare_stream(sdw_stream);
419 }
420 
421 void sdw_shutdown(struct snd_pcm_substream *substream)
422 {
423 	sdw_shutdown_stream(substream);
424 }
425 
426 static const struct snd_soc_ops sdw_ops = {
427 	.startup = sdw_startup,
428 	.prepare = sdw_prepare,
429 	.trigger = sdw_trigger,
430 	.hw_free = sdw_hw_free,
431 	.shutdown = sdw_shutdown,
432 };
433 
434 static int sof_sdw_mic_codec_mockup_init(struct snd_soc_card *card,
435 					 const struct snd_soc_acpi_link_adr *link,
436 					 struct snd_soc_dai_link *dai_links,
437 					 struct sof_sdw_codec_info *info,
438 					 bool playback)
439 {
440 	/*
441 	 * force DAI link to use same ID as RT715 and DMIC
442 	 * to reuse topologies
443 	 */
444 	dai_links->id = SDW_DMIC_DAI_ID;
445 	return 0;
446 }
447 
448 static struct sof_sdw_codec_info codec_info_list[] = {
449 	{
450 		.part_id = 0x700,
451 		.direction = {true, true},
452 		.dai_name = "rt700-aif1",
453 		.init = sof_sdw_rt700_init,
454 	},
455 	{
456 		.part_id = 0x711,
457 		.version_id = 3,
458 		.direction = {true, true},
459 		.dai_name = "rt711-sdca-aif1",
460 		.init = sof_sdw_rt711_sdca_init,
461 		.exit = sof_sdw_rt711_sdca_exit,
462 	},
463 	{
464 		.part_id = 0x711,
465 		.version_id = 2,
466 		.direction = {true, true},
467 		.dai_name = "rt711-aif1",
468 		.init = sof_sdw_rt711_init,
469 		.exit = sof_sdw_rt711_exit,
470 	},
471 	{
472 		.part_id = 0x1308,
473 		.acpi_id = "10EC1308",
474 		.direction = {true, false},
475 		.dai_name = "rt1308-aif",
476 		.ops = &sof_sdw_rt1308_i2s_ops,
477 		.init = sof_sdw_rt1308_init,
478 	},
479 	{
480 		.part_id = 0x1316,
481 		.direction = {true, true},
482 		.dai_name = "rt1316-aif",
483 		.init = sof_sdw_rt1316_init,
484 	},
485 	{
486 		.part_id = 0x714,
487 		.version_id = 3,
488 		.direction = {false, true},
489 		.ignore_pch_dmic = true,
490 		.dai_name = "rt715-aif2",
491 		.init = sof_sdw_rt715_sdca_init,
492 	},
493 	{
494 		.part_id = 0x715,
495 		.version_id = 3,
496 		.direction = {false, true},
497 		.ignore_pch_dmic = true,
498 		.dai_name = "rt715-aif2",
499 		.init = sof_sdw_rt715_sdca_init,
500 	},
501 	{
502 		.part_id = 0x714,
503 		.version_id = 2,
504 		.direction = {false, true},
505 		.ignore_pch_dmic = true,
506 		.dai_name = "rt715-aif2",
507 		.init = sof_sdw_rt715_init,
508 	},
509 	{
510 		.part_id = 0x715,
511 		.version_id = 2,
512 		.direction = {false, true},
513 		.ignore_pch_dmic = true,
514 		.dai_name = "rt715-aif2",
515 		.init = sof_sdw_rt715_init,
516 	},
517 	{
518 		.part_id = 0x8373,
519 		.direction = {true, true},
520 		.dai_name = "max98373-aif1",
521 		.init = sof_sdw_mx8373_init,
522 		.codec_card_late_probe = sof_sdw_mx8373_late_probe,
523 	},
524 	{
525 		.part_id = 0x5682,
526 		.direction = {true, true},
527 		.dai_name = "rt5682-sdw",
528 		.init = sof_sdw_rt5682_init,
529 	},
530 	{
531 		.part_id = 0xaaaa, /* generic codec mockup */
532 		.version_id = 0,
533 		.direction = {true, true},
534 		.dai_name = "sdw-mockup-aif1",
535 		.init = NULL,
536 	},
537 	{
538 		.part_id = 0xaa55, /* headset codec mockup */
539 		.version_id = 0,
540 		.direction = {true, true},
541 		.dai_name = "sdw-mockup-aif1",
542 		.init = NULL,
543 	},
544 	{
545 		.part_id = 0x55aa, /* amplifier mockup */
546 		.version_id = 0,
547 		.direction = {true, false},
548 		.dai_name = "sdw-mockup-aif1",
549 		.init = NULL,
550 	},
551 	{
552 		.part_id = 0x5555,
553 		.version_id = 0,
554 		.direction = {false, true},
555 		.dai_name = "sdw-mockup-aif1",
556 		.init = sof_sdw_mic_codec_mockup_init,
557 	},
558 };
559 
560 static inline int find_codec_info_part(u64 adr)
561 {
562 	unsigned int part_id, sdw_version;
563 	int i;
564 
565 	part_id = SDW_PART_ID(adr);
566 	sdw_version = SDW_VERSION(adr);
567 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
568 		/*
569 		 * A codec info is for all sdw version with the part id if
570 		 * version_id is not specified in the codec info.
571 		 */
572 		if (part_id == codec_info_list[i].part_id &&
573 		    (!codec_info_list[i].version_id ||
574 		     sdw_version == codec_info_list[i].version_id))
575 			return i;
576 
577 	return -EINVAL;
578 
579 }
580 
581 static inline int find_codec_info_acpi(const u8 *acpi_id)
582 {
583 	int i;
584 
585 	if (!acpi_id[0])
586 		return -EINVAL;
587 
588 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
589 		if (!memcmp(codec_info_list[i].acpi_id, acpi_id,
590 			    ACPI_ID_LEN))
591 			break;
592 
593 	if (i == ARRAY_SIZE(codec_info_list))
594 		return -EINVAL;
595 
596 	return i;
597 }
598 
599 /*
600  * get BE dailink number and CPU DAI number based on sdw link adr.
601  * Since some sdw slaves may be aggregated, the CPU DAI number
602  * may be larger than the number of BE dailinks.
603  */
604 static int get_sdw_dailink_info(const struct snd_soc_acpi_link_adr *links,
605 				int *sdw_be_num, int *sdw_cpu_dai_num)
606 {
607 	const struct snd_soc_acpi_link_adr *link;
608 	bool group_visited[SDW_MAX_GROUPS];
609 	bool no_aggregation;
610 	int i;
611 
612 	no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
613 	*sdw_cpu_dai_num = 0;
614 	*sdw_be_num  = 0;
615 
616 	if (!links)
617 		return -EINVAL;
618 
619 	for (i = 0; i < SDW_MAX_GROUPS; i++)
620 		group_visited[i] = false;
621 
622 	for (link = links; link->num_adr; link++) {
623 		const struct snd_soc_acpi_endpoint *endpoint;
624 		int codec_index;
625 		int stream;
626 		u64 adr;
627 
628 		adr = link->adr_d->adr;
629 		codec_index = find_codec_info_part(adr);
630 		if (codec_index < 0)
631 			return codec_index;
632 
633 		endpoint = link->adr_d->endpoints;
634 
635 		/* count DAI number for playback and capture */
636 		for_each_pcm_streams(stream) {
637 			if (!codec_info_list[codec_index].direction[stream])
638 				continue;
639 
640 			(*sdw_cpu_dai_num)++;
641 
642 			/* count BE for each non-aggregated slave or group */
643 			if (!endpoint->aggregated || no_aggregation ||
644 			    !group_visited[endpoint->group_id])
645 				(*sdw_be_num)++;
646 		}
647 
648 		if (endpoint->aggregated)
649 			group_visited[endpoint->group_id] = true;
650 	}
651 
652 	return 0;
653 }
654 
655 static void init_dai_link(struct device *dev, struct snd_soc_dai_link *dai_links,
656 			  int be_id, char *name, int playback, int capture,
657 			  struct snd_soc_dai_link_component *cpus, int cpus_num,
658 			  struct snd_soc_dai_link_component *codecs, int codecs_num,
659 			  int (*init)(struct snd_soc_pcm_runtime *rtd),
660 			  const struct snd_soc_ops *ops)
661 {
662 	dev_dbg(dev, "create dai link %s, id %d\n", name, be_id);
663 	dai_links->id = be_id;
664 	dai_links->name = name;
665 	dai_links->platforms = platform_component;
666 	dai_links->num_platforms = ARRAY_SIZE(platform_component);
667 	dai_links->no_pcm = 1;
668 	dai_links->cpus = cpus;
669 	dai_links->num_cpus = cpus_num;
670 	dai_links->codecs = codecs;
671 	dai_links->num_codecs = codecs_num;
672 	dai_links->dpcm_playback = playback;
673 	dai_links->dpcm_capture = capture;
674 	dai_links->init = init;
675 	dai_links->ops = ops;
676 }
677 
678 static bool is_unique_device(const struct snd_soc_acpi_link_adr *link,
679 			     unsigned int sdw_version,
680 			     unsigned int mfg_id,
681 			     unsigned int part_id,
682 			     unsigned int class_id,
683 			     int index_in_link
684 			    )
685 {
686 	int i;
687 
688 	for (i = 0; i < link->num_adr; i++) {
689 		unsigned int sdw1_version, mfg1_id, part1_id, class1_id;
690 		u64 adr;
691 
692 		/* skip itself */
693 		if (i == index_in_link)
694 			continue;
695 
696 		adr = link->adr_d[i].adr;
697 
698 		sdw1_version = SDW_VERSION(adr);
699 		mfg1_id = SDW_MFG_ID(adr);
700 		part1_id = SDW_PART_ID(adr);
701 		class1_id = SDW_CLASS_ID(adr);
702 
703 		if (sdw_version == sdw1_version &&
704 		    mfg_id == mfg1_id &&
705 		    part_id == part1_id &&
706 		    class_id == class1_id)
707 			return false;
708 	}
709 
710 	return true;
711 }
712 
713 static int create_codec_dai_name(struct device *dev,
714 				 const struct snd_soc_acpi_link_adr *link,
715 				 struct snd_soc_dai_link_component *codec,
716 				 int offset,
717 				 struct snd_soc_codec_conf *codec_conf,
718 				 int codec_count,
719 				 int *codec_conf_index)
720 {
721 	int i;
722 
723 	/* sanity check */
724 	if (*codec_conf_index + link->num_adr > codec_count) {
725 		dev_err(dev, "codec_conf: out-of-bounds access requested\n");
726 		return -EINVAL;
727 	}
728 
729 	for (i = 0; i < link->num_adr; i++) {
730 		unsigned int sdw_version, unique_id, mfg_id;
731 		unsigned int link_id, part_id, class_id;
732 		int codec_index, comp_index;
733 		char *codec_str;
734 		u64 adr;
735 
736 		adr = link->adr_d[i].adr;
737 
738 		sdw_version = SDW_VERSION(adr);
739 		link_id = SDW_DISCO_LINK_ID(adr);
740 		unique_id = SDW_UNIQUE_ID(adr);
741 		mfg_id = SDW_MFG_ID(adr);
742 		part_id = SDW_PART_ID(adr);
743 		class_id = SDW_CLASS_ID(adr);
744 
745 		comp_index = i + offset;
746 		if (is_unique_device(link, sdw_version, mfg_id, part_id,
747 				     class_id, i)) {
748 			codec_str = "sdw:%01x:%04x:%04x:%02x";
749 			codec[comp_index].name =
750 				devm_kasprintf(dev, GFP_KERNEL, codec_str,
751 					       link_id, mfg_id, part_id,
752 					       class_id);
753 		} else {
754 			codec_str = "sdw:%01x:%04x:%04x:%02x:%01x";
755 			codec[comp_index].name =
756 				devm_kasprintf(dev, GFP_KERNEL, codec_str,
757 					       link_id, mfg_id, part_id,
758 					       class_id, unique_id);
759 		}
760 
761 		if (!codec[comp_index].name)
762 			return -ENOMEM;
763 
764 		codec_index = find_codec_info_part(adr);
765 		if (codec_index < 0)
766 			return codec_index;
767 
768 		codec[comp_index].dai_name =
769 			codec_info_list[codec_index].dai_name;
770 
771 		codec_conf[*codec_conf_index].dlc = codec[comp_index];
772 		codec_conf[*codec_conf_index].name_prefix = link->adr_d[i].name_prefix;
773 
774 		++*codec_conf_index;
775 	}
776 
777 	return 0;
778 }
779 
780 static int set_codec_init_func(struct snd_soc_card *card,
781 			       const struct snd_soc_acpi_link_adr *link,
782 			       struct snd_soc_dai_link *dai_links,
783 			       bool playback, int group_id)
784 {
785 	int i;
786 
787 	do {
788 		/*
789 		 * Initialize the codec. If codec is part of an aggregated
790 		 * group (group_id>0), initialize all codecs belonging to
791 		 * same group.
792 		 */
793 		for (i = 0; i < link->num_adr; i++) {
794 			int codec_index;
795 
796 			codec_index = find_codec_info_part(link->adr_d[i].adr);
797 
798 			if (codec_index < 0)
799 				return codec_index;
800 			/* The group_id is > 0 iff the codec is aggregated */
801 			if (link->adr_d[i].endpoints->group_id != group_id)
802 				continue;
803 			if (codec_info_list[codec_index].init)
804 				codec_info_list[codec_index].init(card,
805 						link,
806 						dai_links,
807 						&codec_info_list[codec_index],
808 						playback);
809 		}
810 		link++;
811 	} while (link->mask && group_id);
812 
813 	return 0;
814 }
815 
816 /*
817  * check endpoint status in slaves and gather link ID for all slaves in
818  * the same group to generate different CPU DAI. Now only support
819  * one sdw link with all slaves set with only single group id.
820  *
821  * one slave on one sdw link with aggregated = 0
822  * one sdw BE DAI <---> one-cpu DAI <---> one-codec DAI
823  *
824  * two or more slaves on one sdw link with aggregated = 0
825  * one sdw BE DAI  <---> one-cpu DAI <---> multi-codec DAIs
826  *
827  * multiple links with multiple slaves with aggregated = 1
828  * one sdw BE DAI  <---> 1 .. N CPU DAIs <----> 1 .. N codec DAIs
829  */
830 static int get_slave_info(const struct snd_soc_acpi_link_adr *adr_link,
831 			  struct device *dev, int *cpu_dai_id, int *cpu_dai_num,
832 			  int *codec_num, unsigned int *group_id,
833 			  bool *group_generated)
834 {
835 	const struct snd_soc_acpi_adr_device *adr_d;
836 	const struct snd_soc_acpi_link_adr *adr_next;
837 	bool no_aggregation;
838 	int index = 0;
839 
840 	no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
841 	*codec_num = adr_link->num_adr;
842 	adr_d = adr_link->adr_d;
843 
844 	/* make sure the link mask has a single bit set */
845 	if (!is_power_of_2(adr_link->mask))
846 		return -EINVAL;
847 
848 	cpu_dai_id[index++] = ffs(adr_link->mask) - 1;
849 	if (!adr_d->endpoints->aggregated || no_aggregation) {
850 		*cpu_dai_num = 1;
851 		*group_id = 0;
852 		return 0;
853 	}
854 
855 	*group_id = adr_d->endpoints->group_id;
856 
857 	/* gather other link ID of slaves in the same group */
858 	for (adr_next = adr_link + 1; adr_next && adr_next->num_adr;
859 		adr_next++) {
860 		const struct snd_soc_acpi_endpoint *endpoint;
861 
862 		endpoint = adr_next->adr_d->endpoints;
863 		if (!endpoint->aggregated ||
864 		    endpoint->group_id != *group_id)
865 			continue;
866 
867 		/* make sure the link mask has a single bit set */
868 		if (!is_power_of_2(adr_next->mask))
869 			return -EINVAL;
870 
871 		if (index >= SDW_MAX_CPU_DAIS) {
872 			dev_err(dev, " cpu_dai_id array overflows");
873 			return -EINVAL;
874 		}
875 
876 		cpu_dai_id[index++] = ffs(adr_next->mask) - 1;
877 		*codec_num += adr_next->num_adr;
878 	}
879 
880 	/*
881 	 * indicate CPU DAIs for this group have been generated
882 	 * to avoid generating CPU DAIs for this group again.
883 	 */
884 	group_generated[*group_id] = true;
885 	*cpu_dai_num = index;
886 
887 	return 0;
888 }
889 
890 static int create_sdw_dailink(struct snd_soc_card *card,
891 			      struct device *dev, int *be_index,
892 			      struct snd_soc_dai_link *dai_links,
893 			      int sdw_be_num, int sdw_cpu_dai_num,
894 			      struct snd_soc_dai_link_component *cpus,
895 			      const struct snd_soc_acpi_link_adr *link,
896 			      int *cpu_id, bool *group_generated,
897 			      struct snd_soc_codec_conf *codec_conf,
898 			      int codec_count,
899 			      int *codec_conf_index,
900 			      bool *ignore_pch_dmic)
901 {
902 	const struct snd_soc_acpi_link_adr *link_next;
903 	struct snd_soc_dai_link_component *codecs;
904 	int cpu_dai_id[SDW_MAX_CPU_DAIS];
905 	int cpu_dai_num, cpu_dai_index;
906 	unsigned int group_id;
907 	int codec_idx = 0;
908 	int i = 0, j = 0;
909 	int codec_index;
910 	int codec_num;
911 	int stream;
912 	int ret;
913 	int k;
914 
915 	ret = get_slave_info(link, dev, cpu_dai_id, &cpu_dai_num, &codec_num,
916 			     &group_id, group_generated);
917 	if (ret)
918 		return ret;
919 
920 	codecs = devm_kcalloc(dev, codec_num, sizeof(*codecs), GFP_KERNEL);
921 	if (!codecs)
922 		return -ENOMEM;
923 
924 	/* generate codec name on different links in the same group */
925 	for (link_next = link; link_next && link_next->num_adr &&
926 	     i < cpu_dai_num; link_next++) {
927 		const struct snd_soc_acpi_endpoint *endpoints;
928 
929 		endpoints = link_next->adr_d->endpoints;
930 		if (group_id && (!endpoints->aggregated ||
931 				 endpoints->group_id != group_id))
932 			continue;
933 
934 		/* skip the link excluded by this processed group */
935 		if (cpu_dai_id[i] != ffs(link_next->mask) - 1)
936 			continue;
937 
938 		ret = create_codec_dai_name(dev, link_next, codecs, codec_idx,
939 					    codec_conf, codec_count, codec_conf_index);
940 		if (ret < 0)
941 			return ret;
942 
943 		/* check next link to create codec dai in the processed group */
944 		i++;
945 		codec_idx += link_next->num_adr;
946 	}
947 
948 	/* find codec info to create BE DAI */
949 	codec_index = find_codec_info_part(link->adr_d[0].adr);
950 	if (codec_index < 0)
951 		return codec_index;
952 
953 	if (codec_info_list[codec_index].ignore_pch_dmic)
954 		*ignore_pch_dmic = true;
955 
956 	cpu_dai_index = *cpu_id;
957 	for_each_pcm_streams(stream) {
958 		char *name, *cpu_name;
959 		int playback, capture;
960 		static const char * const sdw_stream_name[] = {
961 			"SDW%d-Playback",
962 			"SDW%d-Capture",
963 		};
964 
965 		if (!codec_info_list[codec_index].direction[stream])
966 			continue;
967 
968 		/* create stream name according to first link id */
969 		name = devm_kasprintf(dev, GFP_KERNEL,
970 				      sdw_stream_name[stream], cpu_dai_id[0]);
971 		if (!name)
972 			return -ENOMEM;
973 
974 		/*
975 		 * generate CPU DAI name base on the sdw link ID and
976 		 * PIN ID with offset of 2 according to sdw dai driver.
977 		 */
978 		for (k = 0; k < cpu_dai_num; k++) {
979 			cpu_name = devm_kasprintf(dev, GFP_KERNEL,
980 						  "SDW%d Pin%d", cpu_dai_id[k],
981 						  j + SDW_INTEL_BIDIR_PDI_BASE);
982 			if (!cpu_name)
983 				return -ENOMEM;
984 
985 			if (cpu_dai_index >= sdw_cpu_dai_num) {
986 				dev_err(dev, "invalid cpu dai index %d",
987 					cpu_dai_index);
988 				return -EINVAL;
989 			}
990 
991 			cpus[cpu_dai_index++].dai_name = cpu_name;
992 		}
993 
994 		if (*be_index >= sdw_be_num) {
995 			dev_err(dev, " invalid be dai index %d", *be_index);
996 			return -EINVAL;
997 		}
998 
999 		if (*cpu_id >= sdw_cpu_dai_num) {
1000 			dev_err(dev, " invalid cpu dai index %d", *cpu_id);
1001 			return -EINVAL;
1002 		}
1003 
1004 		playback = (stream == SNDRV_PCM_STREAM_PLAYBACK);
1005 		capture = (stream == SNDRV_PCM_STREAM_CAPTURE);
1006 		init_dai_link(dev, dai_links + *be_index, *be_index, name,
1007 			      playback, capture,
1008 			      cpus + *cpu_id, cpu_dai_num,
1009 			      codecs, codec_num,
1010 			      NULL, &sdw_ops);
1011 		/*
1012 		 * SoundWire DAILINKs use 'stream' functions and Bank Switch operations
1013 		 * based on wait_for_completion(), tag them as 'nonatomic'.
1014 		 */
1015 		dai_links[*be_index].nonatomic = true;
1016 
1017 		ret = set_codec_init_func(card, link, dai_links + (*be_index)++,
1018 					  playback, group_id);
1019 		if (ret < 0) {
1020 			dev_err(dev, "failed to init codec %d", codec_index);
1021 			return ret;
1022 		}
1023 
1024 		*cpu_id += cpu_dai_num;
1025 		j++;
1026 	}
1027 
1028 	return 0;
1029 }
1030 
1031 /*
1032  * DAI link ID of SSP & DMIC & HDMI are based on last
1033  * link ID used by sdw link. Since be_id may be changed
1034  * in init func of sdw codec, it is not equal to be_id
1035  */
1036 static inline int get_next_be_id(struct snd_soc_dai_link *links,
1037 				 int be_id)
1038 {
1039 	return links[be_id - 1].id + 1;
1040 }
1041 
1042 #define IDISP_CODEC_MASK	0x4
1043 
1044 static int sof_card_codec_conf_alloc(struct device *dev,
1045 				     struct snd_soc_acpi_mach_params *mach_params,
1046 				     struct snd_soc_codec_conf **codec_conf,
1047 				     int *codec_conf_count)
1048 {
1049 	const struct snd_soc_acpi_link_adr *adr_link;
1050 	struct snd_soc_codec_conf *c_conf;
1051 	int num_codecs = 0;
1052 	int i;
1053 
1054 	adr_link = mach_params->links;
1055 	if (!adr_link)
1056 		return -EINVAL;
1057 
1058 	/* generate DAI links by each sdw link */
1059 	for (; adr_link->num_adr; adr_link++) {
1060 		for (i = 0; i < adr_link->num_adr; i++) {
1061 			if (!adr_link->adr_d[i].name_prefix) {
1062 				dev_err(dev, "codec 0x%llx does not have a name prefix\n",
1063 					adr_link->adr_d[i].adr);
1064 				return -EINVAL;
1065 			}
1066 		}
1067 		num_codecs += adr_link->num_adr;
1068 	}
1069 
1070 	c_conf = devm_kzalloc(dev, num_codecs * sizeof(*c_conf), GFP_KERNEL);
1071 	if (!c_conf)
1072 		return -ENOMEM;
1073 
1074 	*codec_conf = c_conf;
1075 	*codec_conf_count = num_codecs;
1076 
1077 	return 0;
1078 }
1079 
1080 static int sof_card_dai_links_create(struct device *dev,
1081 				     struct snd_soc_acpi_mach *mach,
1082 				     struct snd_soc_card *card)
1083 {
1084 	int ssp_num, sdw_be_num = 0, hdmi_num = 0, dmic_num;
1085 	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
1086 	struct snd_soc_dai_link_component *idisp_components;
1087 	struct snd_soc_dai_link_component *ssp_components;
1088 	struct snd_soc_acpi_mach_params *mach_params;
1089 	const struct snd_soc_acpi_link_adr *adr_link;
1090 	struct snd_soc_dai_link_component *cpus;
1091 	struct snd_soc_codec_conf *codec_conf;
1092 	bool ignore_pch_dmic = false;
1093 	int codec_conf_count;
1094 	int codec_conf_index = 0;
1095 	bool group_generated[SDW_MAX_GROUPS];
1096 	int ssp_codec_index, ssp_mask;
1097 	struct snd_soc_dai_link *links;
1098 	int num_links, link_id = 0;
1099 	char *name, *cpu_name;
1100 	int total_cpu_dai_num;
1101 	int sdw_cpu_dai_num;
1102 	int i, j, be_id = 0;
1103 	int cpu_id = 0;
1104 	int comp_num;
1105 	int ret;
1106 
1107 	mach_params = &mach->mach_params;
1108 
1109 	/* allocate codec conf, will be populated when dailinks are created */
1110 	ret = sof_card_codec_conf_alloc(dev, mach_params, &codec_conf, &codec_conf_count);
1111 	if (ret < 0)
1112 		return ret;
1113 
1114 	/* reset amp_num to ensure amp_num++ starts from 0 in each probe */
1115 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1116 		codec_info_list[i].amp_num = 0;
1117 
1118 	if (sof_sdw_quirk & SOF_SDW_TGL_HDMI)
1119 		hdmi_num = SOF_TGL_HDMI_COUNT;
1120 	else
1121 		hdmi_num = SOF_PRE_TGL_HDMI_COUNT;
1122 
1123 	ssp_mask = SOF_SSP_GET_PORT(sof_sdw_quirk);
1124 	/*
1125 	 * on generic tgl platform, I2S or sdw mode is supported
1126 	 * based on board rework. A ACPI device is registered in
1127 	 * system only when I2S mode is supported, not sdw mode.
1128 	 * Here check ACPI ID to confirm I2S is supported.
1129 	 */
1130 	ssp_codec_index = find_codec_info_acpi(mach->id);
1131 	ssp_num = ssp_codec_index >= 0 ? hweight_long(ssp_mask) : 0;
1132 	comp_num = hdmi_num + ssp_num;
1133 
1134 	ret = get_sdw_dailink_info(mach_params->links,
1135 				   &sdw_be_num, &sdw_cpu_dai_num);
1136 	if (ret < 0) {
1137 		dev_err(dev, "failed to get sdw link info %d", ret);
1138 		return ret;
1139 	}
1140 
1141 	if (mach_params->codec_mask & IDISP_CODEC_MASK)
1142 		ctx->idisp_codec = true;
1143 
1144 	/* enable dmic01 & dmic16k */
1145 	dmic_num = (sof_sdw_quirk & SOF_SDW_PCH_DMIC || mach_params->dmic_num) ? 2 : 0;
1146 	comp_num += dmic_num;
1147 
1148 	if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
1149 		comp_num++;
1150 
1151 	dev_dbg(dev, "sdw %d, ssp %d, dmic %d, hdmi %d", sdw_be_num, ssp_num,
1152 		dmic_num, ctx->idisp_codec ? hdmi_num : 0);
1153 
1154 	/* allocate BE dailinks */
1155 	num_links = comp_num + sdw_be_num;
1156 	links = devm_kcalloc(dev, num_links, sizeof(*links), GFP_KERNEL);
1157 
1158 	/* allocated CPU DAIs */
1159 	total_cpu_dai_num = comp_num + sdw_cpu_dai_num;
1160 	cpus = devm_kcalloc(dev, total_cpu_dai_num, sizeof(*cpus),
1161 			    GFP_KERNEL);
1162 
1163 	if (!links || !cpus)
1164 		return -ENOMEM;
1165 
1166 	/* SDW */
1167 	if (!sdw_be_num)
1168 		goto SSP;
1169 
1170 	adr_link = mach_params->links;
1171 	if (!adr_link)
1172 		return -EINVAL;
1173 
1174 	/*
1175 	 * SoundWire Slaves aggregated in the same group may be
1176 	 * located on different hardware links. Clear array to indicate
1177 	 * CPU DAIs for this group have not been generated.
1178 	 */
1179 	for (i = 0; i < SDW_MAX_GROUPS; i++)
1180 		group_generated[i] = false;
1181 
1182 	/* generate DAI links by each sdw link */
1183 	for (; adr_link->num_adr; adr_link++) {
1184 		const struct snd_soc_acpi_endpoint *endpoint;
1185 
1186 		endpoint = adr_link->adr_d->endpoints;
1187 		if (endpoint->aggregated && !endpoint->group_id) {
1188 			dev_err(dev, "invalid group id on link %x",
1189 				adr_link->mask);
1190 			continue;
1191 		}
1192 
1193 		/* this group has been generated */
1194 		if (endpoint->aggregated &&
1195 		    group_generated[endpoint->group_id])
1196 			continue;
1197 
1198 		ret = create_sdw_dailink(card, dev, &be_id, links, sdw_be_num,
1199 					 sdw_cpu_dai_num, cpus, adr_link,
1200 					 &cpu_id, group_generated,
1201 					 codec_conf, codec_conf_count,
1202 					 &codec_conf_index,
1203 					 &ignore_pch_dmic);
1204 		if (ret < 0) {
1205 			dev_err(dev, "failed to create dai link %d", be_id);
1206 			return -ENOMEM;
1207 		}
1208 	}
1209 
1210 	/* non-sdw DAI follows sdw DAI */
1211 	link_id = be_id;
1212 
1213 	/* get BE ID for non-sdw DAI */
1214 	be_id = get_next_be_id(links, be_id);
1215 
1216 SSP:
1217 	/* SSP */
1218 	if (!ssp_num)
1219 		goto DMIC;
1220 
1221 	for (i = 0, j = 0; ssp_mask; i++, ssp_mask >>= 1) {
1222 		struct sof_sdw_codec_info *info;
1223 		int playback, capture;
1224 		char *codec_name;
1225 
1226 		if (!(ssp_mask & 0x1))
1227 			continue;
1228 
1229 		name = devm_kasprintf(dev, GFP_KERNEL,
1230 				      "SSP%d-Codec", i);
1231 		if (!name)
1232 			return -ENOMEM;
1233 
1234 		cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", i);
1235 		if (!cpu_name)
1236 			return -ENOMEM;
1237 
1238 		ssp_components = devm_kzalloc(dev, sizeof(*ssp_components),
1239 					      GFP_KERNEL);
1240 		if (!ssp_components)
1241 			return -ENOMEM;
1242 
1243 		info = &codec_info_list[ssp_codec_index];
1244 		codec_name = devm_kasprintf(dev, GFP_KERNEL, "i2c-%s:0%d",
1245 					    info->acpi_id, j++);
1246 		if (!codec_name)
1247 			return -ENOMEM;
1248 
1249 		ssp_components->name = codec_name;
1250 		ssp_components->dai_name = info->dai_name;
1251 		cpus[cpu_id].dai_name = cpu_name;
1252 
1253 		playback = info->direction[SNDRV_PCM_STREAM_PLAYBACK];
1254 		capture = info->direction[SNDRV_PCM_STREAM_CAPTURE];
1255 		init_dai_link(dev, links + link_id, be_id, name,
1256 			      playback, capture,
1257 			      cpus + cpu_id, 1,
1258 			      ssp_components, 1,
1259 			      NULL, info->ops);
1260 
1261 		ret = info->init(card, NULL, links + link_id, info, 0);
1262 		if (ret < 0)
1263 			return ret;
1264 
1265 		INC_ID(be_id, cpu_id, link_id);
1266 	}
1267 
1268 DMIC:
1269 	/* dmic */
1270 	if (dmic_num > 0) {
1271 		if (ignore_pch_dmic) {
1272 			dev_warn(dev, "Ignoring PCH DMIC\n");
1273 			goto HDMI;
1274 		}
1275 		cpus[cpu_id].dai_name = "DMIC01 Pin";
1276 		init_dai_link(dev, links + link_id, be_id, "dmic01",
1277 			      0, 1, // DMIC only supports capture
1278 			      cpus + cpu_id, 1,
1279 			      dmic_component, 1,
1280 			      sof_sdw_dmic_init, NULL);
1281 		INC_ID(be_id, cpu_id, link_id);
1282 
1283 		cpus[cpu_id].dai_name = "DMIC16k Pin";
1284 		init_dai_link(dev, links + link_id, be_id, "dmic16k",
1285 			      0, 1, // DMIC only supports capture
1286 			      cpus + cpu_id, 1,
1287 			      dmic_component, 1,
1288 			      /* don't call sof_sdw_dmic_init() twice */
1289 			      NULL, NULL);
1290 		INC_ID(be_id, cpu_id, link_id);
1291 	}
1292 
1293 HDMI:
1294 	/* HDMI */
1295 	if (hdmi_num > 0) {
1296 		idisp_components = devm_kcalloc(dev, hdmi_num,
1297 						sizeof(*idisp_components),
1298 						GFP_KERNEL);
1299 		if (!idisp_components)
1300 			return -ENOMEM;
1301 	}
1302 
1303 	for (i = 0; i < hdmi_num; i++) {
1304 		name = devm_kasprintf(dev, GFP_KERNEL,
1305 				      "iDisp%d", i + 1);
1306 		if (!name)
1307 			return -ENOMEM;
1308 
1309 		if (ctx->idisp_codec) {
1310 			idisp_components[i].name = "ehdaudio0D2";
1311 			idisp_components[i].dai_name = devm_kasprintf(dev,
1312 								      GFP_KERNEL,
1313 								      "intel-hdmi-hifi%d",
1314 								      i + 1);
1315 			if (!idisp_components[i].dai_name)
1316 				return -ENOMEM;
1317 		} else {
1318 			idisp_components[i].name = "snd-soc-dummy";
1319 			idisp_components[i].dai_name = "snd-soc-dummy-dai";
1320 		}
1321 
1322 		cpu_name = devm_kasprintf(dev, GFP_KERNEL,
1323 					  "iDisp%d Pin", i + 1);
1324 		if (!cpu_name)
1325 			return -ENOMEM;
1326 
1327 		cpus[cpu_id].dai_name = cpu_name;
1328 		init_dai_link(dev, links + link_id, be_id, name,
1329 			      1, 0, // HDMI only supports playback
1330 			      cpus + cpu_id, 1,
1331 			      idisp_components + i, 1,
1332 			      sof_sdw_hdmi_init, NULL);
1333 		INC_ID(be_id, cpu_id, link_id);
1334 	}
1335 
1336 	if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
1337 		int port = (sof_sdw_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
1338 				SOF_BT_OFFLOAD_SSP_SHIFT;
1339 
1340 		name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
1341 		if (!name)
1342 			return -ENOMEM;
1343 
1344 		ssp_components = devm_kzalloc(dev, sizeof(*ssp_components),
1345 						GFP_KERNEL);
1346 		if (!ssp_components)
1347 			return -ENOMEM;
1348 
1349 		ssp_components->name = "snd-soc-dummy";
1350 		ssp_components->dai_name = "snd-soc-dummy-dai";
1351 
1352 		cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", port);
1353 		if (!cpu_name)
1354 			return -ENOMEM;
1355 
1356 		cpus[cpu_id].dai_name = cpu_name;
1357 		init_dai_link(dev, links + link_id, be_id, name, 1, 1,
1358 				cpus + cpu_id, 1, ssp_components, 1, NULL, NULL);
1359 	}
1360 
1361 	card->dai_link = links;
1362 	card->num_links = num_links;
1363 
1364 	card->codec_conf = codec_conf;
1365 	card->num_configs = codec_conf_count;
1366 
1367 	return 0;
1368 }
1369 
1370 static int sof_sdw_card_late_probe(struct snd_soc_card *card)
1371 {
1372 	int i, ret;
1373 
1374 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
1375 		if (!codec_info_list[i].late_probe)
1376 			continue;
1377 
1378 		ret = codec_info_list[i].codec_card_late_probe(card);
1379 		if (ret < 0)
1380 			return ret;
1381 	}
1382 
1383 	return sof_sdw_hdmi_card_late_probe(card);
1384 }
1385 
1386 /* SoC card */
1387 static const char sdw_card_long_name[] = "Intel Soundwire SOF";
1388 
1389 static struct snd_soc_card card_sof_sdw = {
1390 	.name = "soundwire",
1391 	.owner = THIS_MODULE,
1392 	.late_probe = sof_sdw_card_late_probe,
1393 };
1394 
1395 static int mc_probe(struct platform_device *pdev)
1396 {
1397 	struct snd_soc_card *card = &card_sof_sdw;
1398 	struct snd_soc_acpi_mach *mach;
1399 	struct mc_private *ctx;
1400 	int amp_num = 0, i;
1401 	int ret;
1402 
1403 	dev_dbg(&pdev->dev, "Entry %s\n", __func__);
1404 
1405 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
1406 	if (!ctx)
1407 		return -ENOMEM;
1408 
1409 	dmi_check_system(sof_sdw_quirk_table);
1410 
1411 	if (quirk_override != -1) {
1412 		dev_info(&pdev->dev, "Overriding quirk 0x%lx => 0x%x\n",
1413 			 sof_sdw_quirk, quirk_override);
1414 		sof_sdw_quirk = quirk_override;
1415 	}
1416 	log_quirks(&pdev->dev);
1417 
1418 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
1419 
1420 	card->dev = &pdev->dev;
1421 	snd_soc_card_set_drvdata(card, ctx);
1422 
1423 	mach = pdev->dev.platform_data;
1424 	ret = sof_card_dai_links_create(&pdev->dev, mach,
1425 					card);
1426 	if (ret < 0)
1427 		return ret;
1428 
1429 	/*
1430 	 * the default amp_num is zero for each codec and
1431 	 * amp_num will only be increased for active amp
1432 	 * codecs on used platform
1433 	 */
1434 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1435 		amp_num += codec_info_list[i].amp_num;
1436 
1437 	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
1438 					  "cfg-spk:%d cfg-amp:%d",
1439 					  (sof_sdw_quirk & SOF_SDW_FOUR_SPK)
1440 					  ? 4 : 2, amp_num);
1441 	if (!card->components)
1442 		return -ENOMEM;
1443 
1444 	if (mach->mach_params.dmic_num) {
1445 		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
1446 						  "%s mic:dmic cfg-mics:%d",
1447 						  card->components,
1448 						  mach->mach_params.dmic_num);
1449 		if (!card->components)
1450 			return -ENOMEM;
1451 	}
1452 
1453 	card->long_name = sdw_card_long_name;
1454 
1455 	/* Register the card */
1456 	ret = devm_snd_soc_register_card(&pdev->dev, card);
1457 	if (ret) {
1458 		dev_err(card->dev, "snd_soc_register_card failed %d\n", ret);
1459 		return ret;
1460 	}
1461 
1462 	platform_set_drvdata(pdev, card);
1463 
1464 	return ret;
1465 }
1466 
1467 static int mc_remove(struct platform_device *pdev)
1468 {
1469 	struct snd_soc_card *card = platform_get_drvdata(pdev);
1470 	struct snd_soc_dai_link *link;
1471 	int ret;
1472 	int i, j;
1473 
1474 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
1475 		if (!codec_info_list[i].exit)
1476 			continue;
1477 		/*
1478 		 * We don't need to call .exit function if there is no matched
1479 		 * dai link found.
1480 		 */
1481 		for_each_card_prelinks(card, j, link) {
1482 			if (!strcmp(link->codecs[0].dai_name,
1483 				    codec_info_list[i].dai_name)) {
1484 				ret = codec_info_list[i].exit(card, link);
1485 				if (ret)
1486 					dev_warn(&pdev->dev,
1487 						 "codec exit failed %d\n",
1488 						 ret);
1489 				break;
1490 			}
1491 		}
1492 	}
1493 
1494 	return 0;
1495 }
1496 
1497 static struct platform_driver sof_sdw_driver = {
1498 	.driver = {
1499 		.name = "sof_sdw",
1500 		.pm = &snd_soc_pm_ops,
1501 	},
1502 	.probe = mc_probe,
1503 	.remove = mc_remove,
1504 };
1505 
1506 module_platform_driver(sof_sdw_driver);
1507 
1508 MODULE_DESCRIPTION("ASoC SoundWire Generic Machine driver");
1509 MODULE_AUTHOR("Bard Liao <yung-chuan.liao@linux.intel.com>");
1510 MODULE_AUTHOR("Rander Wang <rander.wang@linux.intel.com>");
1511 MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
1512 MODULE_LICENSE("GPL v2");
1513 MODULE_ALIAS("platform:sof_sdw");
1514 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
1515 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
1516