xref: /openbmc/linux/sound/soc/intel/boards/sof_sdw.c (revision c4c3c32d)
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 #define SDW_MAX_LINKS		4
26 
27 /* To store SDW Pin index for each SoundWire link */
28 static unsigned int sdw_pin_index[SDW_MAX_LINKS];
29 
30 static void log_quirks(struct device *dev)
31 {
32 	if (SOF_JACK_JDSRC(sof_sdw_quirk))
33 		dev_dbg(dev, "quirk realtek,jack-detect-source %ld\n",
34 			SOF_JACK_JDSRC(sof_sdw_quirk));
35 	if (sof_sdw_quirk & SOF_SDW_FOUR_SPK)
36 		dev_dbg(dev, "quirk SOF_SDW_FOUR_SPK enabled\n");
37 	if (sof_sdw_quirk & SOF_SDW_TGL_HDMI)
38 		dev_dbg(dev, "quirk SOF_SDW_TGL_HDMI enabled\n");
39 	if (sof_sdw_quirk & SOF_SDW_PCH_DMIC)
40 		dev_dbg(dev, "quirk SOF_SDW_PCH_DMIC enabled\n");
41 	if (SOF_SSP_GET_PORT(sof_sdw_quirk))
42 		dev_dbg(dev, "SSP port %ld\n",
43 			SOF_SSP_GET_PORT(sof_sdw_quirk));
44 	if (sof_sdw_quirk & SOF_SDW_NO_AGGREGATION)
45 		dev_dbg(dev, "quirk SOF_SDW_NO_AGGREGATION enabled\n");
46 }
47 
48 static int sof_sdw_quirk_cb(const struct dmi_system_id *id)
49 {
50 	sof_sdw_quirk = (unsigned long)id->driver_data;
51 	return 1;
52 }
53 
54 static const struct dmi_system_id sof_sdw_quirk_table[] = {
55 	/* CometLake devices */
56 	{
57 		.callback = sof_sdw_quirk_cb,
58 		.matches = {
59 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
60 			DMI_MATCH(DMI_PRODUCT_NAME, "CometLake Client"),
61 		},
62 		.driver_data = (void *)SOF_SDW_PCH_DMIC,
63 	},
64 	{
65 		.callback = sof_sdw_quirk_cb,
66 		.matches = {
67 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
68 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6")
69 		},
70 		.driver_data = (void *)RT711_JD2,
71 	},
72 	{
73 		/* early version of SKU 09C6 */
74 		.callback = sof_sdw_quirk_cb,
75 		.matches = {
76 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
77 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983")
78 		},
79 		.driver_data = (void *)RT711_JD2,
80 	},
81 	{
82 		.callback = sof_sdw_quirk_cb,
83 		.matches = {
84 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
85 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"),
86 		},
87 		.driver_data = (void *)(RT711_JD2 |
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_SDW_FOUR_SPK),
98 	},
99 	/* IceLake devices */
100 	{
101 		.callback = sof_sdw_quirk_cb,
102 		.matches = {
103 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
104 			DMI_MATCH(DMI_PRODUCT_NAME, "Ice Lake Client"),
105 		},
106 		.driver_data = (void *)SOF_SDW_PCH_DMIC,
107 	},
108 	/* TigerLake devices */
109 	{
110 		.callback = sof_sdw_quirk_cb,
111 		.matches = {
112 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
113 			DMI_MATCH(DMI_PRODUCT_NAME,
114 				  "Tiger Lake Client Platform"),
115 		},
116 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
117 					RT711_JD1 |
118 					SOF_SDW_PCH_DMIC |
119 					SOF_SSP_PORT(SOF_I2S_SSP2)),
120 	},
121 	{
122 		.callback = sof_sdw_quirk_cb,
123 		.matches = {
124 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
125 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3E")
126 		},
127 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
128 					RT711_JD2),
129 	},
130 	{
131 		/* another SKU of Dell Latitude 9520 */
132 		.callback = sof_sdw_quirk_cb,
133 		.matches = {
134 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
135 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A3F")
136 		},
137 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
138 					RT711_JD2),
139 	},
140 	{
141 		/* Dell XPS 9710 */
142 		.callback = sof_sdw_quirk_cb,
143 		.matches = {
144 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
145 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5D")
146 		},
147 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
148 					RT711_JD2 |
149 					SOF_SDW_FOUR_SPK),
150 	},
151 	{
152 		.callback = sof_sdw_quirk_cb,
153 		.matches = {
154 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
155 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A5E")
156 		},
157 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
158 					RT711_JD2 |
159 					SOF_SDW_FOUR_SPK),
160 	},
161 	{
162 		.callback = sof_sdw_quirk_cb,
163 		.matches = {
164 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
165 			DMI_MATCH(DMI_PRODUCT_NAME, "Volteer"),
166 		},
167 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
168 					SOF_SDW_PCH_DMIC |
169 					SOF_SDW_FOUR_SPK |
170 					SOF_BT_OFFLOAD_SSP(2) |
171 					SOF_SSP_BT_OFFLOAD_PRESENT),
172 	},
173 	{
174 		.callback = sof_sdw_quirk_cb,
175 		.matches = {
176 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
177 			DMI_MATCH(DMI_PRODUCT_NAME, "Ripto"),
178 		},
179 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
180 					SOF_SDW_PCH_DMIC |
181 					SOF_SDW_FOUR_SPK),
182 	},
183 	{
184 		/*
185 		 * this entry covers multiple HP SKUs. The family name
186 		 * does not seem robust enough, so we use a partial
187 		 * match that ignores the product name suffix
188 		 * (e.g. 15-eb1xxx, 14t-ea000 or 13-aw2xxx)
189 		 */
190 		.callback = sof_sdw_quirk_cb,
191 		.matches = {
192 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
193 			DMI_MATCH(DMI_PRODUCT_NAME, "HP Spectre x360 Conv"),
194 		},
195 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
196 					SOF_SDW_PCH_DMIC |
197 					RT711_JD1),
198 	},
199 	{
200 		/*
201 		 * this entry covers HP Spectre x360 where the DMI information
202 		 * changed somehow
203 		 */
204 		.callback = sof_sdw_quirk_cb,
205 		.matches = {
206 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
207 			DMI_MATCH(DMI_BOARD_NAME, "8709"),
208 		},
209 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
210 					SOF_SDW_PCH_DMIC |
211 					RT711_JD1),
212 	},
213 	{
214 		/* NUC15 'Bishop County' LAPBC510 and LAPBC710 skews */
215 		.callback = sof_sdw_quirk_cb,
216 		.matches = {
217 			DMI_MATCH(DMI_SYS_VENDOR, "Intel(R) Client Systems"),
218 			DMI_MATCH(DMI_PRODUCT_NAME, "LAPBC"),
219 		},
220 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
221 					SOF_SDW_PCH_DMIC |
222 					RT711_JD1),
223 	},
224 	{
225 		/* NUC15 LAPBC710 skews */
226 		.callback = sof_sdw_quirk_cb,
227 		.matches = {
228 			DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
229 			DMI_MATCH(DMI_BOARD_NAME, "LAPBC710"),
230 		},
231 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
232 					SOF_SDW_PCH_DMIC |
233 					RT711_JD1),
234 	},
235 	{
236 		/* NUC15 'Rooks County' LAPRC510 and LAPRC710 skews */
237 		.callback = sof_sdw_quirk_cb,
238 		.matches = {
239 			DMI_MATCH(DMI_SYS_VENDOR, "Intel(R) Client Systems"),
240 			DMI_MATCH(DMI_PRODUCT_NAME, "LAPRC"),
241 		},
242 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
243 					SOF_SDW_PCH_DMIC |
244 					RT711_JD2_100K),
245 	},
246 	/* TigerLake-SDCA devices */
247 	{
248 		.callback = sof_sdw_quirk_cb,
249 		.matches = {
250 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
251 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A32")
252 		},
253 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
254 					RT711_JD2 |
255 					SOF_SDW_FOUR_SPK),
256 	},
257 	{
258 		.callback = sof_sdw_quirk_cb,
259 		.matches = {
260 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
261 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0A45")
262 		},
263 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
264 					RT711_JD2),
265 	},
266 	/* AlderLake devices */
267 	{
268 		.callback = sof_sdw_quirk_cb,
269 		.matches = {
270 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
271 			DMI_MATCH(DMI_PRODUCT_NAME, "Alder Lake Client Platform"),
272 		},
273 		.driver_data = (void *)(RT711_JD2_100K |
274 					SOF_SDW_TGL_HDMI |
275 					SOF_BT_OFFLOAD_SSP(2) |
276 					SOF_SSP_BT_OFFLOAD_PRESENT),
277 	},
278 	{
279 		.callback = sof_sdw_quirk_cb,
280 		.matches = {
281 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
282 			DMI_MATCH(DMI_PRODUCT_NAME, "Brya"),
283 		},
284 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
285 					SOF_SDW_PCH_DMIC |
286 					SOF_SDW_FOUR_SPK |
287 					SOF_BT_OFFLOAD_SSP(2) |
288 					SOF_SSP_BT_OFFLOAD_PRESENT),
289 	},
290 	{
291 		.callback = sof_sdw_quirk_cb,
292 		.matches = {
293 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
294 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AF0")
295 		},
296 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
297 					RT711_JD2 |
298 					SOF_SDW_FOUR_SPK),
299 	},
300 	{
301 		.callback = sof_sdw_quirk_cb,
302 		.matches = {
303 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
304 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AF3"),
305 		},
306 		/* No Jack */
307 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
308 					SOF_SDW_FOUR_SPK),
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, "0AFE")
315 		},
316 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
317 					RT711_JD2 |
318 					SOF_SDW_FOUR_SPK),
319 	},
320 	{
321 		.callback = sof_sdw_quirk_cb,
322 		.matches = {
323 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
324 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0AFF")
325 		},
326 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
327 					RT711_JD2 |
328 					SOF_SDW_FOUR_SPK),
329 	},
330 	{
331 		.callback = sof_sdw_quirk_cb,
332 		.matches = {
333 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
334 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B00")
335 		},
336 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
337 					RT711_JD2 |
338 					SOF_SDW_FOUR_SPK),
339 	},
340 	{
341 		.callback = sof_sdw_quirk_cb,
342 		.matches = {
343 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
344 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B01")
345 		},
346 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
347 					RT711_JD2 |
348 					SOF_SDW_FOUR_SPK),
349 	},
350 	{
351 		.callback = sof_sdw_quirk_cb,
352 		.matches = {
353 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
354 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B11")
355 		},
356 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
357 					RT711_JD2 |
358 					SOF_SDW_FOUR_SPK),
359 	},
360 	{
361 		.callback = sof_sdw_quirk_cb,
362 		.matches = {
363 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
364 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B12")
365 		},
366 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
367 					RT711_JD2 |
368 					SOF_SDW_FOUR_SPK),
369 	},
370 	{
371 		.callback = sof_sdw_quirk_cb,
372 		.matches = {
373 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
374 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B13"),
375 		},
376 		/* No Jack */
377 		.driver_data = (void *)SOF_SDW_TGL_HDMI,
378 	},
379 	{
380 		.callback = sof_sdw_quirk_cb,
381 		.matches = {
382 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
383 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B29"),
384 		},
385 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
386 					RT711_JD2 |
387 					SOF_SDW_FOUR_SPK),
388 	},
389 	{
390 		.callback = sof_sdw_quirk_cb,
391 		.matches = {
392 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
393 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B34"),
394 		},
395 		/* No Jack */
396 		.driver_data = (void *)SOF_SDW_TGL_HDMI,
397 	},
398 	{
399 		.callback = sof_sdw_quirk_cb,
400 		.matches = {
401 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
402 			DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16-k0xxx"),
403 		},
404 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
405 					RT711_JD2),
406 	},
407 	/* RaptorLake devices */
408 	{
409 		.callback = sof_sdw_quirk_cb,
410 		.matches = {
411 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
412 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0BDA")
413 		},
414 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
415 					RT711_JD2 |
416 					SOF_SDW_FOUR_SPK),
417 	},
418 	{
419 		.callback = sof_sdw_quirk_cb,
420 		.matches = {
421 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
422 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0C10"),
423 		},
424 		/* No Jack */
425 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
426 					SOF_SDW_FOUR_SPK),
427 	},
428 	{
429 		.callback = sof_sdw_quirk_cb,
430 		.matches = {
431 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
432 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0C11")
433 		},
434 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
435 					RT711_JD2 |
436 					SOF_SDW_FOUR_SPK),
437 	},
438 	{
439 		.callback = sof_sdw_quirk_cb,
440 		.matches = {
441 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
442 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0C40")
443 		},
444 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
445 					RT711_JD2 |
446 					SOF_SDW_FOUR_SPK),
447 	},
448 	{
449 		.callback = sof_sdw_quirk_cb,
450 		.matches = {
451 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
452 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0C4F")
453 		},
454 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
455 					RT711_JD2 |
456 					SOF_SDW_FOUR_SPK),
457 	},
458 	/* MeteorLake devices */
459 	{
460 		.callback = sof_sdw_quirk_cb,
461 		.matches = {
462 			DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_mtlrvp"),
463 		},
464 		.driver_data = (void *)(RT711_JD1),
465 	},
466 	{
467 		.callback = sof_sdw_quirk_cb,
468 		.matches = {
469 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
470 			DMI_MATCH(DMI_PRODUCT_NAME, "Meteor Lake Client Platform"),
471 		},
472 		.driver_data = (void *)(RT711_JD2_100K),
473 	},
474 	{
475 		.callback = sof_sdw_quirk_cb,
476 		.matches = {
477 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
478 			DMI_MATCH(DMI_PRODUCT_NAME, "Rex"),
479 		},
480 		.driver_data = (void *)(SOF_SDW_PCH_DMIC |
481 					SOF_BT_OFFLOAD_SSP(1) |
482 					SOF_SSP_BT_OFFLOAD_PRESENT),
483 	},
484 	/* LunarLake devices */
485 	{
486 		.callback = sof_sdw_quirk_cb,
487 		.matches = {
488 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
489 			DMI_MATCH(DMI_PRODUCT_NAME, "Lunar Lake Client Platform"),
490 		},
491 		.driver_data = (void *)(RT711_JD2),
492 	},
493 	{}
494 };
495 
496 static struct snd_soc_dai_link_component dmic_component[] = {
497 	{
498 		.name = "dmic-codec",
499 		.dai_name = "dmic-hifi",
500 	}
501 };
502 
503 static struct snd_soc_dai_link_component platform_component[] = {
504 	{
505 		/* name might be overridden during probe */
506 		.name = "0000:00:1f.3"
507 	}
508 };
509 
510 /* these wrappers are only needed to avoid typecast compilation errors */
511 int sdw_startup(struct snd_pcm_substream *substream)
512 {
513 	return sdw_startup_stream(substream);
514 }
515 
516 int sdw_prepare(struct snd_pcm_substream *substream)
517 {
518 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
519 	struct sdw_stream_runtime *sdw_stream;
520 	struct snd_soc_dai *dai;
521 
522 	/* Find stream from first CPU DAI */
523 	dai = asoc_rtd_to_cpu(rtd, 0);
524 
525 	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
526 	if (IS_ERR(sdw_stream)) {
527 		dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name);
528 		return PTR_ERR(sdw_stream);
529 	}
530 
531 	return sdw_prepare_stream(sdw_stream);
532 }
533 
534 int sdw_trigger(struct snd_pcm_substream *substream, int cmd)
535 {
536 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
537 	struct sdw_stream_runtime *sdw_stream;
538 	struct snd_soc_dai *dai;
539 	int ret;
540 
541 	/* Find stream from first CPU DAI */
542 	dai = asoc_rtd_to_cpu(rtd, 0);
543 
544 	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
545 	if (IS_ERR(sdw_stream)) {
546 		dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name);
547 		return PTR_ERR(sdw_stream);
548 	}
549 
550 	switch (cmd) {
551 	case SNDRV_PCM_TRIGGER_START:
552 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
553 	case SNDRV_PCM_TRIGGER_RESUME:
554 		ret = sdw_enable_stream(sdw_stream);
555 		break;
556 
557 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
558 	case SNDRV_PCM_TRIGGER_SUSPEND:
559 	case SNDRV_PCM_TRIGGER_STOP:
560 		ret = sdw_disable_stream(sdw_stream);
561 		break;
562 	default:
563 		ret = -EINVAL;
564 		break;
565 	}
566 
567 	if (ret)
568 		dev_err(rtd->dev, "%s trigger %d failed: %d\n", __func__, cmd, ret);
569 
570 	return ret;
571 }
572 
573 int sdw_hw_params(struct snd_pcm_substream *substream,
574 		  struct snd_pcm_hw_params *params)
575 {
576 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
577 	int ch = params_channels(params);
578 	struct snd_soc_dai *codec_dai;
579 	struct snd_soc_dai *cpu_dai;
580 	unsigned int ch_mask;
581 	int num_codecs;
582 	int step;
583 	int i;
584 	int j;
585 
586 	if (!rtd->dai_link->codec_ch_maps)
587 		return 0;
588 
589 	/* Identical data will be sent to all codecs in playback */
590 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
591 		ch_mask = GENMASK(ch - 1, 0);
592 		step = 0;
593 	} else {
594 		num_codecs = rtd->dai_link->num_codecs;
595 
596 		if (ch < num_codecs || ch % num_codecs != 0) {
597 			dev_err(rtd->dev, "Channels number %d is invalid when codec number = %d\n",
598 				ch, num_codecs);
599 			return -EINVAL;
600 		}
601 
602 		ch_mask = GENMASK(ch / num_codecs - 1, 0);
603 		step = hweight_long(ch_mask);
604 
605 	}
606 
607 	/*
608 	 * The captured data will be combined from each cpu DAI if the dai
609 	 * link has more than one codec DAIs. Set codec channel mask and
610 	 * ASoC will set the corresponding channel numbers for each cpu dai.
611 	 */
612 	for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
613 		for_each_rtd_codec_dais(rtd, j, codec_dai) {
614 			if (rtd->dai_link->codec_ch_maps[j].connected_cpu_id != i)
615 				continue;
616 			rtd->dai_link->codec_ch_maps[j].ch_mask = ch_mask << (j * step);
617 		}
618 	}
619 	return 0;
620 }
621 
622 int sdw_hw_free(struct snd_pcm_substream *substream)
623 {
624 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
625 	struct sdw_stream_runtime *sdw_stream;
626 	struct snd_soc_dai *dai;
627 
628 	/* Find stream from first CPU DAI */
629 	dai = asoc_rtd_to_cpu(rtd, 0);
630 
631 	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
632 	if (IS_ERR(sdw_stream)) {
633 		dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name);
634 		return PTR_ERR(sdw_stream);
635 	}
636 
637 	return sdw_deprepare_stream(sdw_stream);
638 }
639 
640 void sdw_shutdown(struct snd_pcm_substream *substream)
641 {
642 	sdw_shutdown_stream(substream);
643 }
644 
645 static const struct snd_soc_ops sdw_ops = {
646 	.startup = sdw_startup,
647 	.prepare = sdw_prepare,
648 	.trigger = sdw_trigger,
649 	.hw_params = sdw_hw_params,
650 	.hw_free = sdw_hw_free,
651 	.shutdown = sdw_shutdown,
652 };
653 
654 static struct sof_sdw_codec_info codec_info_list[] = {
655 	{
656 		.part_id = 0x700,
657 		.dais = {
658 			{
659 				.direction = {true, true},
660 				.dai_name = "rt700-aif1",
661 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
662 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
663 				.init = sof_sdw_rt700_init,
664 			},
665 		},
666 		.dai_num = 1,
667 	},
668 	{
669 		.part_id = 0x711,
670 		.version_id = 3,
671 		.dais = {
672 			{
673 				.direction = {true, true},
674 				.dai_name = "rt711-sdca-aif1",
675 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
676 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
677 				.init = sof_sdw_rt_sdca_jack_init,
678 				.exit = sof_sdw_rt_sdca_jack_exit,
679 			},
680 		},
681 		.dai_num = 1,
682 	},
683 	{
684 		.part_id = 0x711,
685 		.version_id = 2,
686 		.dais = {
687 			{
688 				.direction = {true, true},
689 				.dai_name = "rt711-aif1",
690 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
691 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
692 				.init = sof_sdw_rt711_init,
693 				.exit = sof_sdw_rt711_exit,
694 			},
695 		},
696 		.dai_num = 1,
697 	},
698 	{
699 		.part_id = 0x712,
700 		.version_id = 3,
701 		.dais =	{
702 			{
703 				.direction = {true, true},
704 				.dai_name = "rt712-sdca-aif1",
705 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
706 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
707 				.init = sof_sdw_rt_sdca_jack_init,
708 				.exit = sof_sdw_rt_sdca_jack_exit,
709 			},
710 			{
711 				.direction = {true, false},
712 				.dai_name = "rt712-sdca-aif2",
713 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
714 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_UNUSED_DAI_ID},
715 				.init = sof_sdw_rt712_spk_init,
716 			},
717 		},
718 		.dai_num = 2,
719 	},
720 	{
721 		.part_id = 0x1712,
722 		.version_id = 3,
723 		.dais =	{
724 			{
725 				.direction = {false, true},
726 				.dai_name = "rt712-sdca-dmic-aif1",
727 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
728 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
729 				.init = sof_sdw_rt712_sdca_dmic_init,
730 			},
731 		},
732 		.dai_num = 1,
733 	},
734 	{
735 		.part_id = 0x713,
736 		.version_id = 3,
737 		.dais =	{
738 			{
739 				.direction = {true, true},
740 				.dai_name = "rt712-sdca-aif1",
741 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
742 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
743 				.init = sof_sdw_rt_sdca_jack_init,
744 				.exit = sof_sdw_rt_sdca_jack_exit,
745 			},
746 		},
747 		.dai_num = 1,
748 	},
749 	{
750 		.part_id = 0x1713,
751 		.version_id = 3,
752 		.dais =	{
753 			{
754 				.direction = {false, true},
755 				.dai_name = "rt712-sdca-dmic-aif1",
756 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
757 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
758 				.init = sof_sdw_rt712_sdca_dmic_init,
759 			},
760 		},
761 		.dai_num = 1,
762 	},
763 	{
764 		.part_id = 0x1308,
765 		.acpi_id = "10EC1308",
766 		.dais = {
767 			{
768 				.direction = {true, false},
769 				.dai_name = "rt1308-aif",
770 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
771 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_UNUSED_DAI_ID},
772 				.init = sof_sdw_rt_amp_init,
773 				.exit = sof_sdw_rt_amp_exit,
774 			},
775 		},
776 		.dai_num = 1,
777 		.ops = &sof_sdw_rt1308_i2s_ops,
778 	},
779 	{
780 		.part_id = 0x1316,
781 		.dais = {
782 			{
783 				.direction = {true, true},
784 				.dai_name = "rt1316-aif",
785 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
786 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
787 				.init = sof_sdw_rt_amp_init,
788 				.exit = sof_sdw_rt_amp_exit,
789 			},
790 		},
791 		.dai_num = 1,
792 	},
793 	{
794 		.part_id = 0x1318,
795 		.dais = {
796 			{
797 				.direction = {true, true},
798 				.dai_name = "rt1318-aif",
799 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
800 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
801 				.init = sof_sdw_rt_amp_init,
802 				.exit = sof_sdw_rt_amp_exit,
803 			},
804 		},
805 		.dai_num = 1,
806 	},
807 	{
808 		.part_id = 0x714,
809 		.version_id = 3,
810 		.ignore_pch_dmic = true,
811 		.dais = {
812 			{
813 				.direction = {false, true},
814 				.dai_name = "rt715-aif2",
815 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
816 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
817 				.init = sof_sdw_rt715_sdca_init,
818 			},
819 		},
820 		.dai_num = 1,
821 	},
822 	{
823 		.part_id = 0x715,
824 		.version_id = 3,
825 		.ignore_pch_dmic = true,
826 		.dais = {
827 			{
828 				.direction = {false, true},
829 				.dai_name = "rt715-aif2",
830 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
831 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
832 				.init = sof_sdw_rt715_sdca_init,
833 			},
834 		},
835 		.dai_num = 1,
836 	},
837 	{
838 		.part_id = 0x714,
839 		.version_id = 2,
840 		.ignore_pch_dmic = true,
841 		.dais = {
842 			{
843 				.direction = {false, true},
844 				.dai_name = "rt715-aif2",
845 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
846 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
847 				.init = sof_sdw_rt715_init,
848 			},
849 		},
850 		.dai_num = 1,
851 	},
852 	{
853 		.part_id = 0x715,
854 		.version_id = 2,
855 		.ignore_pch_dmic = true,
856 		.dais = {
857 			{
858 				.direction = {false, true},
859 				.dai_name = "rt715-aif2",
860 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
861 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
862 				.init = sof_sdw_rt715_init,
863 			},
864 		},
865 		.dai_num = 1,
866 	},
867 	{
868 		.part_id = 0x8373,
869 		.dais = {
870 			{
871 				.direction = {true, true},
872 				.dai_name = "max98373-aif1",
873 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
874 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
875 				.init = sof_sdw_maxim_init,
876 			},
877 		},
878 		.dai_num = 1,
879 	},
880 	{
881 		.part_id = 0x8363,
882 		.dais = {
883 			{
884 				.direction = {true, false},
885 				.dai_name = "max98363-aif1",
886 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
887 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_UNUSED_DAI_ID},
888 				.init = sof_sdw_maxim_init,
889 			},
890 		},
891 		.dai_num = 1,
892 	},
893 	{
894 		.part_id = 0x5682,
895 		.dais = {
896 			{
897 				.direction = {true, true},
898 				.dai_name = "rt5682-sdw",
899 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
900 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
901 				.init = sof_sdw_rt5682_init,
902 			},
903 		},
904 		.dai_num = 1,
905 	},
906 	{
907 		.part_id = 0x3556,
908 		.dais = {
909 			{
910 				.direction = {true, true},
911 				.dai_name = "cs35l56-sdw1",
912 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
913 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
914 				.init = sof_sdw_cs_amp_init,
915 			},
916 		},
917 		.dai_num = 1,
918 	},
919 	{
920 		.part_id = 0x4242,
921 		.dais = {
922 			{
923 				.direction = {true, true},
924 				.dai_name = "cs42l42-sdw",
925 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
926 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
927 				.init = sof_sdw_cs42l42_init,
928 			},
929 		},
930 		.dai_num = 1,
931 	},
932 	{
933 		.part_id = 0xaaaa, /* generic codec mockup */
934 		.version_id = 0,
935 		.dais = {
936 			{
937 				.direction = {true, true},
938 				.dai_name = "sdw-mockup-aif1",
939 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
940 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
941 				.init = NULL,
942 			},
943 		},
944 		.dai_num = 1,
945 	},
946 	{
947 		.part_id = 0xaa55, /* headset codec mockup */
948 		.version_id = 0,
949 		.dais = {
950 			{
951 				.direction = {true, true},
952 				.dai_name = "sdw-mockup-aif1",
953 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
954 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
955 				.init = NULL,
956 			},
957 		},
958 		.dai_num = 1,
959 	},
960 	{
961 		.part_id = 0x55aa, /* amplifier mockup */
962 		.version_id = 0,
963 		.dais = {
964 			{
965 				.direction = {true, true},
966 				.dai_name = "sdw-mockup-aif1",
967 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
968 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
969 				.init = NULL,
970 			},
971 		},
972 		.dai_num = 1,
973 	},
974 	{
975 		.part_id = 0x5555,
976 		.version_id = 0,
977 		.dais = {
978 			{
979 				.dai_name = "sdw-mockup-aif1",
980 				.direction = {false, true},
981 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
982 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
983 				.init = NULL,
984 			},
985 		},
986 		.dai_num = 1,
987 	},
988 };
989 
990 static inline int find_codec_info_part(const u64 adr)
991 {
992 	unsigned int part_id, sdw_version;
993 	int i;
994 
995 	part_id = SDW_PART_ID(adr);
996 	sdw_version = SDW_VERSION(adr);
997 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
998 		/*
999 		 * A codec info is for all sdw version with the part id if
1000 		 * version_id is not specified in the codec info.
1001 		 */
1002 		if (part_id == codec_info_list[i].part_id &&
1003 		    (!codec_info_list[i].version_id ||
1004 		     sdw_version == codec_info_list[i].version_id))
1005 			return i;
1006 
1007 	return -EINVAL;
1008 
1009 }
1010 
1011 static inline int find_codec_info_acpi(const u8 *acpi_id)
1012 {
1013 	int i;
1014 
1015 	if (!acpi_id[0])
1016 		return -EINVAL;
1017 
1018 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1019 		if (!memcmp(codec_info_list[i].acpi_id, acpi_id, ACPI_ID_LEN))
1020 			return i;
1021 
1022 	return -EINVAL;
1023 }
1024 
1025 /*
1026  * get BE dailink number and CPU DAI number based on sdw link adr.
1027  * Since some sdw slaves may be aggregated, the CPU DAI number
1028  * may be larger than the number of BE dailinks.
1029  */
1030 static int get_dailink_info(struct device *dev,
1031 			    const struct snd_soc_acpi_link_adr *adr_link,
1032 			    int *sdw_be_num, int *sdw_cpu_dai_num, int *codecs_num)
1033 {
1034 	bool group_visited[SDW_MAX_GROUPS];
1035 	bool no_aggregation;
1036 	int i;
1037 	int j;
1038 
1039 	no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
1040 	*sdw_cpu_dai_num = 0;
1041 	*sdw_be_num  = 0;
1042 
1043 	if (!adr_link)
1044 		return -EINVAL;
1045 
1046 	for (i = 0; i < SDW_MAX_GROUPS; i++)
1047 		group_visited[i] = false;
1048 
1049 	for (; adr_link->num_adr; adr_link++) {
1050 		const struct snd_soc_acpi_endpoint *endpoint;
1051 		struct sof_sdw_codec_info *codec_info;
1052 		int codec_index;
1053 		int stream;
1054 		u64 adr;
1055 
1056 		/* make sure the link mask has a single bit set */
1057 		if (!is_power_of_2(adr_link->mask))
1058 			return -EINVAL;
1059 
1060 		for (i = 0; i < adr_link->num_adr; i++) {
1061 			adr = adr_link->adr_d[i].adr;
1062 			codec_index = find_codec_info_part(adr);
1063 			if (codec_index < 0)
1064 				return codec_index;
1065 
1066 			codec_info = &codec_info_list[codec_index];
1067 
1068 			*codecs_num += codec_info->dai_num;
1069 
1070 			if (!adr_link->adr_d[i].name_prefix) {
1071 				dev_err(dev, "codec 0x%llx does not have a name prefix\n",
1072 					adr_link->adr_d[i].adr);
1073 				return -EINVAL;
1074 			}
1075 
1076 			endpoint = adr_link->adr_d[i].endpoints;
1077 			if (endpoint->aggregated && !endpoint->group_id) {
1078 				dev_err(dev, "invalid group id on link %x\n",
1079 					adr_link->mask);
1080 				return -EINVAL;
1081 			}
1082 
1083 			for (j = 0; j < codec_info->dai_num; j++) {
1084 				/* count DAI number for playback and capture */
1085 				for_each_pcm_streams(stream) {
1086 					if (!codec_info->dais[j].direction[stream])
1087 						continue;
1088 
1089 					(*sdw_cpu_dai_num)++;
1090 
1091 					/* count BE for each non-aggregated slave or group */
1092 					if (!endpoint->aggregated || no_aggregation ||
1093 					    !group_visited[endpoint->group_id])
1094 						(*sdw_be_num)++;
1095 				}
1096 			}
1097 
1098 			if (endpoint->aggregated)
1099 				group_visited[endpoint->group_id] = true;
1100 		}
1101 	}
1102 
1103 	return 0;
1104 }
1105 
1106 static void init_dai_link(struct device *dev, struct snd_soc_dai_link *dai_links,
1107 			  int be_id, char *name, int playback, int capture,
1108 			  struct snd_soc_dai_link_component *cpus, int cpus_num,
1109 			  struct snd_soc_dai_link_component *codecs, int codecs_num,
1110 			  int (*init)(struct snd_soc_pcm_runtime *rtd),
1111 			  const struct snd_soc_ops *ops)
1112 {
1113 	dev_dbg(dev, "create dai link %s, id %d\n", name, be_id);
1114 	dai_links->id = be_id;
1115 	dai_links->name = name;
1116 	dai_links->platforms = platform_component;
1117 	dai_links->num_platforms = ARRAY_SIZE(platform_component);
1118 	dai_links->no_pcm = 1;
1119 	dai_links->cpus = cpus;
1120 	dai_links->num_cpus = cpus_num;
1121 	dai_links->codecs = codecs;
1122 	dai_links->num_codecs = codecs_num;
1123 	dai_links->dpcm_playback = playback;
1124 	dai_links->dpcm_capture = capture;
1125 	dai_links->init = init;
1126 	dai_links->ops = ops;
1127 }
1128 
1129 static bool is_unique_device(const struct snd_soc_acpi_link_adr *adr_link,
1130 			     unsigned int sdw_version,
1131 			     unsigned int mfg_id,
1132 			     unsigned int part_id,
1133 			     unsigned int class_id,
1134 			     int index_in_link)
1135 {
1136 	int i;
1137 
1138 	for (i = 0; i < adr_link->num_adr; i++) {
1139 		unsigned int sdw1_version, mfg1_id, part1_id, class1_id;
1140 		u64 adr;
1141 
1142 		/* skip itself */
1143 		if (i == index_in_link)
1144 			continue;
1145 
1146 		adr = adr_link->adr_d[i].adr;
1147 
1148 		sdw1_version = SDW_VERSION(adr);
1149 		mfg1_id = SDW_MFG_ID(adr);
1150 		part1_id = SDW_PART_ID(adr);
1151 		class1_id = SDW_CLASS_ID(adr);
1152 
1153 		if (sdw_version == sdw1_version &&
1154 		    mfg_id == mfg1_id &&
1155 		    part_id == part1_id &&
1156 		    class_id == class1_id)
1157 			return false;
1158 	}
1159 
1160 	return true;
1161 }
1162 
1163 static int fill_sdw_codec_dlc(struct device *dev,
1164 			      const struct snd_soc_acpi_link_adr *adr_link,
1165 			      struct snd_soc_dai_link_component *codec,
1166 			      int adr_index, int dai_index)
1167 {
1168 	unsigned int sdw_version, unique_id, mfg_id, link_id, part_id, class_id;
1169 	u64 adr = adr_link->adr_d[adr_index].adr;
1170 	int codec_index;
1171 
1172 	codec_index = find_codec_info_part(adr);
1173 	if (codec_index < 0)
1174 		return codec_index;
1175 
1176 	sdw_version = SDW_VERSION(adr);
1177 	link_id = SDW_DISCO_LINK_ID(adr);
1178 	unique_id = SDW_UNIQUE_ID(adr);
1179 	mfg_id = SDW_MFG_ID(adr);
1180 	part_id = SDW_PART_ID(adr);
1181 	class_id = SDW_CLASS_ID(adr);
1182 
1183 	if (codec_info_list[codec_index].codec_name)
1184 		codec->name = devm_kstrdup(dev,
1185 					   codec_info_list[codec_index].codec_name,
1186 					   GFP_KERNEL);
1187 	else if (is_unique_device(adr_link, sdw_version, mfg_id, part_id,
1188 				  class_id, adr_index))
1189 		codec->name = devm_kasprintf(dev, GFP_KERNEL,
1190 					     "sdw:%01x:%04x:%04x:%02x", link_id,
1191 					     mfg_id, part_id, class_id);
1192 	else
1193 		codec->name = devm_kasprintf(dev, GFP_KERNEL,
1194 					     "sdw:%01x:%04x:%04x:%02x:%01x", link_id,
1195 					     mfg_id, part_id, class_id, unique_id);
1196 
1197 	if (!codec->name)
1198 		return -ENOMEM;
1199 
1200 	codec->dai_name = codec_info_list[codec_index].dais[dai_index].dai_name;
1201 
1202 	return 0;
1203 }
1204 
1205 static int set_codec_init_func(struct snd_soc_card *card,
1206 			       const struct snd_soc_acpi_link_adr *adr_link,
1207 			       struct snd_soc_dai_link *dai_links,
1208 			       bool playback, int group_id, int adr_index, int dai_index)
1209 {
1210 	int i = adr_index;
1211 
1212 	do {
1213 		/*
1214 		 * Initialize the codec. If codec is part of an aggregated
1215 		 * group (group_id>0), initialize all codecs belonging to
1216 		 * same group.
1217 		 * The first link should start with adr_link->adr_d[adr_index]
1218 		 * because that is the device that we want to initialize and
1219 		 * we should end immediately if it is not aggregated (group_id=0)
1220 		 */
1221 		for ( ; i < adr_link->num_adr; i++) {
1222 			int codec_index;
1223 
1224 			codec_index = find_codec_info_part(adr_link->adr_d[i].adr);
1225 			if (codec_index < 0)
1226 				return codec_index;
1227 
1228 			/* The group_id is > 0 iff the codec is aggregated */
1229 			if (adr_link->adr_d[i].endpoints->group_id != group_id)
1230 				continue;
1231 
1232 			if (codec_info_list[codec_index].dais[dai_index].init)
1233 				codec_info_list[codec_index].dais[dai_index].init(card,
1234 						adr_link,
1235 						dai_links,
1236 						&codec_info_list[codec_index],
1237 						playback);
1238 			if (!group_id)
1239 				return 0;
1240 		}
1241 
1242 		i = 0;
1243 		adr_link++;
1244 	} while (adr_link->mask);
1245 
1246 	return 0;
1247 }
1248 
1249 /*
1250  * check endpoint status in slaves and gather link ID for all slaves in
1251  * the same group to generate different CPU DAI. Now only support
1252  * one sdw link with all slaves set with only single group id.
1253  *
1254  * one slave on one sdw link with aggregated = 0
1255  * one sdw BE DAI <---> one-cpu DAI <---> one-codec DAI
1256  *
1257  * two or more slaves on one sdw link with aggregated = 0
1258  * one sdw BE DAI  <---> one-cpu DAI <---> multi-codec DAIs
1259  *
1260  * multiple links with multiple slaves with aggregated = 1
1261  * one sdw BE DAI  <---> 1 .. N CPU DAIs <----> 1 .. N codec DAIs
1262  */
1263 static int get_slave_info(const struct snd_soc_acpi_link_adr *adr_link,
1264 			  struct device *dev, int *cpu_dai_id, int *cpu_dai_num,
1265 			  int *codec_num, unsigned int *group_id,
1266 			  int adr_index)
1267 {
1268 	bool no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
1269 	int i;
1270 
1271 	if (!adr_link->adr_d[adr_index].endpoints->aggregated || no_aggregation) {
1272 		cpu_dai_id[0] = ffs(adr_link->mask) - 1;
1273 		*cpu_dai_num = 1;
1274 		*codec_num = 1;
1275 		*group_id = 0;
1276 		return 0;
1277 	}
1278 
1279 	*codec_num = 0;
1280 	*cpu_dai_num = 0;
1281 	*group_id = adr_link->adr_d[adr_index].endpoints->group_id;
1282 
1283 	/* Count endpoints with the same group_id in the adr_link */
1284 	for (; adr_link && adr_link->num_adr; adr_link++) {
1285 		unsigned int link_codecs = 0;
1286 
1287 		for (i = 0; i < adr_link->num_adr; i++) {
1288 			if (adr_link->adr_d[i].endpoints->aggregated &&
1289 			    adr_link->adr_d[i].endpoints->group_id == *group_id)
1290 				link_codecs++;
1291 		}
1292 
1293 		if (link_codecs) {
1294 			*codec_num += link_codecs;
1295 
1296 			if (*cpu_dai_num >= SDW_MAX_CPU_DAIS) {
1297 				dev_err(dev, "cpu_dai_id array overflowed\n");
1298 				return -EINVAL;
1299 			}
1300 
1301 			cpu_dai_id[(*cpu_dai_num)++] = ffs(adr_link->mask) - 1;
1302 		}
1303 	}
1304 
1305 	return 0;
1306 }
1307 
1308 static void set_dailink_map(struct snd_soc_dai_link_codec_ch_map *sdw_codec_ch_maps,
1309 			    int codec_num, int cpu_num)
1310 {
1311 	int step;
1312 	int i;
1313 
1314 	step = codec_num / cpu_num;
1315 	for (i = 0; i < codec_num; i++)
1316 		sdw_codec_ch_maps[i].connected_cpu_id = i / step;
1317 }
1318 
1319 static const char * const type_strings[] = {"SimpleJack", "SmartAmp", "SmartMic"};
1320 
1321 static int create_sdw_dailink(struct snd_soc_card *card, int *link_index,
1322 			      struct snd_soc_dai_link *dai_links,
1323 			      int sdw_be_num, int sdw_cpu_dai_num,
1324 			      struct snd_soc_dai_link_component *cpus,
1325 			      const struct snd_soc_acpi_link_adr *adr_link,
1326 			      int *cpu_id, struct snd_soc_codec_conf *codec_conf,
1327 			      int codec_count, int *be_id,
1328 			      int *codec_conf_index,
1329 			      bool *ignore_pch_dmic,
1330 			      bool append_dai_type,
1331 			      int adr_index,
1332 			      int dai_index)
1333 {
1334 	struct device *dev = card->dev;
1335 	const struct snd_soc_acpi_link_adr *adr_link_next;
1336 	struct snd_soc_dai_link_component *codecs;
1337 	struct sof_sdw_codec_info *codec_info;
1338 	int cpu_dai_id[SDW_MAX_CPU_DAIS];
1339 	int cpu_dai_num, cpu_dai_index;
1340 	unsigned int group_id;
1341 	int codec_dlc_index = 0;
1342 	int codec_index;
1343 	int codec_num;
1344 	int stream;
1345 	int i = 0;
1346 	int j, k;
1347 	int ret;
1348 
1349 	ret = get_slave_info(adr_link, dev, cpu_dai_id, &cpu_dai_num, &codec_num,
1350 			     &group_id, adr_index);
1351 	if (ret)
1352 		return ret;
1353 
1354 	codecs = devm_kcalloc(dev, codec_num, sizeof(*codecs), GFP_KERNEL);
1355 	if (!codecs)
1356 		return -ENOMEM;
1357 
1358 	/* generate codec name on different links in the same group */
1359 	j = adr_index;
1360 	for (adr_link_next = adr_link; adr_link_next && adr_link_next->num_adr &&
1361 	     i < cpu_dai_num; adr_link_next++) {
1362 		/* skip the link excluded by this processed group */
1363 		if (cpu_dai_id[i] != ffs(adr_link_next->mask) - 1)
1364 			continue;
1365 
1366 		/* j reset after loop, adr_index only applies to first link */
1367 		for (; j < adr_link_next->num_adr; j++) {
1368 			const struct snd_soc_acpi_endpoint *endpoints;
1369 
1370 			endpoints = adr_link_next->adr_d[j].endpoints;
1371 
1372 			if (group_id && (!endpoints->aggregated ||
1373 					 endpoints->group_id != group_id))
1374 				continue;
1375 
1376 			/* sanity check */
1377 			if (*codec_conf_index >= codec_count) {
1378 				dev_err(dev, "codec_conf array overflowed\n");
1379 				return -EINVAL;
1380 			}
1381 
1382 			ret = fill_sdw_codec_dlc(dev, adr_link_next,
1383 						 &codecs[codec_dlc_index],
1384 						 j, dai_index);
1385 			if (ret)
1386 				return ret;
1387 
1388 			codec_conf[*codec_conf_index].dlc = codecs[codec_dlc_index];
1389 			codec_conf[*codec_conf_index].name_prefix =
1390 					adr_link_next->adr_d[j].name_prefix;
1391 
1392 			codec_dlc_index++;
1393 			(*codec_conf_index)++;
1394 		}
1395 		j = 0;
1396 
1397 		/* check next link to create codec dai in the processed group */
1398 		i++;
1399 	}
1400 
1401 	/* find codec info to create BE DAI */
1402 	codec_index = find_codec_info_part(adr_link->adr_d[adr_index].adr);
1403 	if (codec_index < 0)
1404 		return codec_index;
1405 	codec_info = &codec_info_list[codec_index];
1406 
1407 	if (codec_info->ignore_pch_dmic)
1408 		*ignore_pch_dmic = true;
1409 
1410 	cpu_dai_index = *cpu_id;
1411 	for_each_pcm_streams(stream) {
1412 		struct snd_soc_dai_link_codec_ch_map *sdw_codec_ch_maps;
1413 		char *name, *cpu_name;
1414 		int playback, capture;
1415 		static const char * const sdw_stream_name[] = {
1416 			"SDW%d-Playback",
1417 			"SDW%d-Capture",
1418 			"SDW%d-Playback-%s",
1419 			"SDW%d-Capture-%s",
1420 		};
1421 
1422 		if (!codec_info->dais[dai_index].direction[stream])
1423 			continue;
1424 
1425 		*be_id = codec_info->dais[dai_index].dailink[stream];
1426 		if (*be_id < 0) {
1427 			dev_err(dev, "Invalid dailink id %d\n", *be_id);
1428 			return -EINVAL;
1429 		}
1430 
1431 		sdw_codec_ch_maps = devm_kcalloc(dev, codec_num,
1432 						 sizeof(*sdw_codec_ch_maps), GFP_KERNEL);
1433 		if (!sdw_codec_ch_maps)
1434 			return -ENOMEM;
1435 
1436 		/* create stream name according to first link id */
1437 		if (append_dai_type) {
1438 			name = devm_kasprintf(dev, GFP_KERNEL,
1439 					      sdw_stream_name[stream + 2], cpu_dai_id[0],
1440 					      type_strings[codec_info->dais[dai_index].dai_type]);
1441 		} else {
1442 			name = devm_kasprintf(dev, GFP_KERNEL,
1443 					      sdw_stream_name[stream], cpu_dai_id[0]);
1444 		}
1445 		if (!name)
1446 			return -ENOMEM;
1447 
1448 		/*
1449 		 * generate CPU DAI name base on the sdw link ID and
1450 		 * PIN ID with offset of 2 according to sdw dai driver.
1451 		 */
1452 		for (k = 0; k < cpu_dai_num; k++) {
1453 			cpu_name = devm_kasprintf(dev, GFP_KERNEL,
1454 						  "SDW%d Pin%d", cpu_dai_id[k],
1455 						  sdw_pin_index[cpu_dai_id[k]]++);
1456 			if (!cpu_name)
1457 				return -ENOMEM;
1458 
1459 			if (cpu_dai_index >= sdw_cpu_dai_num) {
1460 				dev_err(dev, "invalid cpu dai index %d\n",
1461 					cpu_dai_index);
1462 				return -EINVAL;
1463 			}
1464 
1465 			cpus[cpu_dai_index++].dai_name = cpu_name;
1466 		}
1467 
1468 		/*
1469 		 * We create sdw dai links at first stage, so link index should
1470 		 * not be larger than sdw_be_num
1471 		 */
1472 		if (*link_index >= sdw_be_num) {
1473 			dev_err(dev, "invalid dai link index %d\n", *link_index);
1474 			return -EINVAL;
1475 		}
1476 
1477 		if (*cpu_id >= sdw_cpu_dai_num) {
1478 			dev_err(dev, "invalid cpu dai index %d\n", *cpu_id);
1479 			return -EINVAL;
1480 		}
1481 
1482 		playback = (stream == SNDRV_PCM_STREAM_PLAYBACK);
1483 		capture = (stream == SNDRV_PCM_STREAM_CAPTURE);
1484 		init_dai_link(dev, dai_links + *link_index, (*be_id)++, name,
1485 			      playback, capture,
1486 			      cpus + *cpu_id, cpu_dai_num,
1487 			      codecs, codec_num,
1488 			      NULL, &sdw_ops);
1489 
1490 		/*
1491 		 * SoundWire DAILINKs use 'stream' functions and Bank Switch operations
1492 		 * based on wait_for_completion(), tag them as 'nonatomic'.
1493 		 */
1494 		dai_links[*link_index].nonatomic = true;
1495 
1496 		set_dailink_map(sdw_codec_ch_maps, codec_num, cpu_dai_num);
1497 		dai_links[*link_index].codec_ch_maps = sdw_codec_ch_maps;
1498 		ret = set_codec_init_func(card, adr_link, dai_links + (*link_index)++,
1499 					  playback, group_id, adr_index, dai_index);
1500 		if (ret < 0) {
1501 			dev_err(dev, "failed to init codec %d\n", codec_index);
1502 			return ret;
1503 		}
1504 
1505 		*cpu_id += cpu_dai_num;
1506 	}
1507 
1508 	return 0;
1509 }
1510 
1511 #define IDISP_CODEC_MASK	0x4
1512 
1513 static int sof_card_dai_links_create(struct snd_soc_card *card)
1514 {
1515 	struct device *dev = card->dev;
1516 	struct snd_soc_acpi_mach *mach = dev_get_platdata(card->dev);
1517 	int sdw_be_num = 0, ssp_num = 0, dmic_num = 0, hdmi_num = 0, bt_num = 0;
1518 	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
1519 	struct snd_soc_dai_link_component *idisp_components;
1520 	struct snd_soc_dai_link_component *ssp_components;
1521 	struct snd_soc_acpi_mach_params *mach_params = &mach->mach_params;
1522 	const struct snd_soc_acpi_link_adr *adr_link = mach_params->links;
1523 	bool aggregation = !(sof_sdw_quirk & SOF_SDW_NO_AGGREGATION);
1524 	struct snd_soc_dai_link_component *cpus;
1525 	struct snd_soc_codec_conf *codec_conf;
1526 	bool append_dai_type = false;
1527 	bool ignore_pch_dmic = false;
1528 	int codec_conf_num = 0;
1529 	int codec_conf_index = 0;
1530 	bool group_generated[SDW_MAX_GROUPS] = { };
1531 	int ssp_codec_index, ssp_mask;
1532 	struct snd_soc_dai_link *dai_links;
1533 	int num_links, link_index = 0;
1534 	char *name, *cpu_name;
1535 	int total_cpu_dai_num;
1536 	int sdw_cpu_dai_num;
1537 	int i, j, be_id = 0;
1538 	int codec_index;
1539 	int cpu_id = 0;
1540 	int ret;
1541 
1542 	ret = get_dailink_info(dev, adr_link, &sdw_be_num, &sdw_cpu_dai_num,
1543 			       &codec_conf_num);
1544 	if (ret < 0) {
1545 		dev_err(dev, "failed to get sdw link info %d\n", ret);
1546 		return ret;
1547 	}
1548 
1549 	/*
1550 	 * on generic tgl platform, I2S or sdw mode is supported
1551 	 * based on board rework. A ACPI device is registered in
1552 	 * system only when I2S mode is supported, not sdw mode.
1553 	 * Here check ACPI ID to confirm I2S is supported.
1554 	 */
1555 	ssp_codec_index = find_codec_info_acpi(mach->id);
1556 	if (ssp_codec_index >= 0) {
1557 		ssp_mask = SOF_SSP_GET_PORT(sof_sdw_quirk);
1558 		ssp_num = hweight_long(ssp_mask);
1559 	}
1560 
1561 	if (mach_params->codec_mask & IDISP_CODEC_MASK) {
1562 		ctx->idisp_codec = true;
1563 
1564 		if (sof_sdw_quirk & SOF_SDW_TGL_HDMI)
1565 			hdmi_num = SOF_TGL_HDMI_COUNT;
1566 		else
1567 			hdmi_num = SOF_PRE_TGL_HDMI_COUNT;
1568 	}
1569 
1570 	/* enable dmic01 & dmic16k */
1571 	if (sof_sdw_quirk & SOF_SDW_PCH_DMIC || mach_params->dmic_num)
1572 		dmic_num = 2;
1573 
1574 	if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
1575 		bt_num = 1;
1576 
1577 	dev_dbg(dev, "sdw %d, ssp %d, dmic %d, hdmi %d, bt: %d\n",
1578 		sdw_be_num, ssp_num, dmic_num, hdmi_num, bt_num);
1579 
1580 	/* allocate BE dailinks */
1581 	num_links = sdw_be_num + ssp_num + dmic_num + hdmi_num + bt_num;
1582 	dai_links = devm_kcalloc(dev, num_links, sizeof(*dai_links), GFP_KERNEL);
1583 	if (!dai_links)
1584 		return -ENOMEM;
1585 
1586 	/* allocated CPU DAIs */
1587 	total_cpu_dai_num = sdw_cpu_dai_num + ssp_num + dmic_num + hdmi_num + bt_num;
1588 	cpus = devm_kcalloc(dev, total_cpu_dai_num, sizeof(*cpus), GFP_KERNEL);
1589 	if (!cpus)
1590 		return -ENOMEM;
1591 
1592 	/* allocate codec conf, will be populated when dailinks are created */
1593 	codec_conf = devm_kcalloc(dev, codec_conf_num, sizeof(*codec_conf),
1594 				  GFP_KERNEL);
1595 	if (!codec_conf)
1596 		return -ENOMEM;
1597 
1598 	/* SDW */
1599 	if (!sdw_be_num)
1600 		goto SSP;
1601 
1602 	for (i = 0; i < SDW_MAX_LINKS; i++)
1603 		sdw_pin_index[i] = SDW_INTEL_BIDIR_PDI_BASE;
1604 
1605 	for (; adr_link->num_adr; adr_link++) {
1606 		/*
1607 		 * If there are two or more different devices on the same sdw link, we have to
1608 		 * append the codec type to the dai link name to prevent duplicated dai link name.
1609 		 * The same type devices on the same sdw link will be in the same
1610 		 * snd_soc_acpi_adr_device array. They won't be described in different adr_links.
1611 		 */
1612 		for (i = 0; i < adr_link->num_adr; i++) {
1613 			/* find codec info to get dai_num */
1614 			codec_index = find_codec_info_part(adr_link->adr_d[i].adr);
1615 			if (codec_index < 0)
1616 				return codec_index;
1617 			if (codec_info_list[codec_index].dai_num > 1) {
1618 				append_dai_type = true;
1619 				goto out;
1620 			}
1621 			for (j = 0; j < i; j++) {
1622 				if ((SDW_PART_ID(adr_link->adr_d[i].adr) !=
1623 				    SDW_PART_ID(adr_link->adr_d[j].adr)) ||
1624 				    (SDW_MFG_ID(adr_link->adr_d[i].adr) !=
1625 				    SDW_MFG_ID(adr_link->adr_d[j].adr))) {
1626 					append_dai_type = true;
1627 					goto out;
1628 				}
1629 			}
1630 		}
1631 	}
1632 out:
1633 
1634 	/* generate DAI links by each sdw link */
1635 	for (adr_link = mach_params->links ; adr_link->num_adr; adr_link++) {
1636 		for (i = 0; i < adr_link->num_adr; i++) {
1637 			const struct snd_soc_acpi_endpoint *endpoint;
1638 
1639 			endpoint = adr_link->adr_d[i].endpoints;
1640 
1641 			/* this group has been generated */
1642 			if (endpoint->aggregated &&
1643 			    group_generated[endpoint->group_id])
1644 				continue;
1645 
1646 			/* find codec info to get dai_num */
1647 			codec_index = find_codec_info_part(adr_link->adr_d[i].adr);
1648 			if (codec_index < 0)
1649 				return codec_index;
1650 
1651 			for (j = 0; j < codec_info_list[codec_index].dai_num ; j++) {
1652 				ret = create_sdw_dailink(card, &link_index, dai_links,
1653 							 sdw_be_num, sdw_cpu_dai_num, cpus,
1654 							 adr_link, &cpu_id,
1655 							 codec_conf, codec_conf_num,
1656 							 &be_id, &codec_conf_index,
1657 							 &ignore_pch_dmic, append_dai_type, i, j);
1658 				if (ret < 0) {
1659 					dev_err(dev, "failed to create dai link %d\n", link_index);
1660 					return ret;
1661 				}
1662 			}
1663 
1664 			if (aggregation && endpoint->aggregated)
1665 				group_generated[endpoint->group_id] = true;
1666 		}
1667 	}
1668 
1669 SSP:
1670 	/* SSP */
1671 	if (!ssp_num)
1672 		goto DMIC;
1673 
1674 	for (i = 0, j = 0; ssp_mask; i++, ssp_mask >>= 1) {
1675 		struct sof_sdw_codec_info *info;
1676 		int playback, capture;
1677 		char *codec_name;
1678 
1679 		if (!(ssp_mask & 0x1))
1680 			continue;
1681 
1682 		name = devm_kasprintf(dev, GFP_KERNEL,
1683 				      "SSP%d-Codec", i);
1684 		if (!name)
1685 			return -ENOMEM;
1686 
1687 		cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", i);
1688 		if (!cpu_name)
1689 			return -ENOMEM;
1690 
1691 		ssp_components = devm_kzalloc(dev, sizeof(*ssp_components),
1692 					      GFP_KERNEL);
1693 		if (!ssp_components)
1694 			return -ENOMEM;
1695 
1696 		info = &codec_info_list[ssp_codec_index];
1697 		codec_name = devm_kasprintf(dev, GFP_KERNEL, "i2c-%s:0%d",
1698 					    info->acpi_id, j++);
1699 		if (!codec_name)
1700 			return -ENOMEM;
1701 
1702 		ssp_components->name = codec_name;
1703 		/* TODO: support multi codec dai on SSP when it is needed */
1704 		ssp_components->dai_name = info->dais[0].dai_name;
1705 		cpus[cpu_id].dai_name = cpu_name;
1706 
1707 		playback = info->dais[0].direction[SNDRV_PCM_STREAM_PLAYBACK];
1708 		capture = info->dais[0].direction[SNDRV_PCM_STREAM_CAPTURE];
1709 		init_dai_link(dev, dai_links + link_index, be_id, name,
1710 			      playback, capture,
1711 			      cpus + cpu_id, 1,
1712 			      ssp_components, 1,
1713 			      NULL, info->ops);
1714 
1715 		ret = info->dais[0].init(card, NULL, dai_links + link_index, info, 0);
1716 		if (ret < 0)
1717 			return ret;
1718 
1719 		INC_ID(be_id, cpu_id, link_index);
1720 	}
1721 
1722 DMIC:
1723 	/* dmic */
1724 	if (dmic_num > 0) {
1725 		if (ignore_pch_dmic) {
1726 			dev_warn(dev, "Ignoring PCH DMIC\n");
1727 			goto HDMI;
1728 		}
1729 		cpus[cpu_id].dai_name = "DMIC01 Pin";
1730 		init_dai_link(dev, dai_links + link_index, be_id, "dmic01",
1731 			      0, 1, // DMIC only supports capture
1732 			      cpus + cpu_id, 1,
1733 			      dmic_component, 1,
1734 			      sof_sdw_dmic_init, NULL);
1735 		INC_ID(be_id, cpu_id, link_index);
1736 
1737 		cpus[cpu_id].dai_name = "DMIC16k Pin";
1738 		init_dai_link(dev, dai_links + link_index, be_id, "dmic16k",
1739 			      0, 1, // DMIC only supports capture
1740 			      cpus + cpu_id, 1,
1741 			      dmic_component, 1,
1742 			      /* don't call sof_sdw_dmic_init() twice */
1743 			      NULL, NULL);
1744 		INC_ID(be_id, cpu_id, link_index);
1745 	}
1746 
1747 HDMI:
1748 	/* HDMI */
1749 	if (hdmi_num > 0) {
1750 		idisp_components = devm_kcalloc(dev, hdmi_num,
1751 						sizeof(*idisp_components),
1752 						GFP_KERNEL);
1753 		if (!idisp_components)
1754 			return -ENOMEM;
1755 	}
1756 
1757 	for (i = 0; i < hdmi_num; i++) {
1758 		name = devm_kasprintf(dev, GFP_KERNEL,
1759 				      "iDisp%d", i + 1);
1760 		if (!name)
1761 			return -ENOMEM;
1762 
1763 		if (ctx->idisp_codec) {
1764 			idisp_components[i].name = "ehdaudio0D2";
1765 			idisp_components[i].dai_name = devm_kasprintf(dev,
1766 								      GFP_KERNEL,
1767 								      "intel-hdmi-hifi%d",
1768 								      i + 1);
1769 			if (!idisp_components[i].dai_name)
1770 				return -ENOMEM;
1771 		} else {
1772 			idisp_components[i] = asoc_dummy_dlc;
1773 		}
1774 
1775 		cpu_name = devm_kasprintf(dev, GFP_KERNEL,
1776 					  "iDisp%d Pin", i + 1);
1777 		if (!cpu_name)
1778 			return -ENOMEM;
1779 
1780 		cpus[cpu_id].dai_name = cpu_name;
1781 		init_dai_link(dev, dai_links + link_index, be_id, name,
1782 			      1, 0, // HDMI only supports playback
1783 			      cpus + cpu_id, 1,
1784 			      idisp_components + i, 1,
1785 			      sof_sdw_hdmi_init, NULL);
1786 		INC_ID(be_id, cpu_id, link_index);
1787 	}
1788 
1789 	if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
1790 		int port = (sof_sdw_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
1791 				SOF_BT_OFFLOAD_SSP_SHIFT;
1792 
1793 		name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
1794 		if (!name)
1795 			return -ENOMEM;
1796 
1797 		cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", port);
1798 		if (!cpu_name)
1799 			return -ENOMEM;
1800 
1801 		cpus[cpu_id].dai_name = cpu_name;
1802 		init_dai_link(dev, dai_links + link_index, be_id, name, 1, 1,
1803 			      cpus + cpu_id, 1, &asoc_dummy_dlc, 1, NULL, NULL);
1804 	}
1805 
1806 	card->dai_link = dai_links;
1807 	card->num_links = num_links;
1808 
1809 	card->codec_conf = codec_conf;
1810 	card->num_configs = codec_conf_num;
1811 
1812 	return 0;
1813 }
1814 
1815 static int sof_sdw_card_late_probe(struct snd_soc_card *card)
1816 {
1817 	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
1818 	int ret = 0;
1819 	int i;
1820 
1821 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
1822 		if (codec_info_list[i].codec_card_late_probe) {
1823 			ret = codec_info_list[i].codec_card_late_probe(card);
1824 
1825 			if (ret < 0)
1826 				return ret;
1827 		}
1828 	}
1829 
1830 	if (ctx->idisp_codec)
1831 		ret = sof_sdw_hdmi_card_late_probe(card);
1832 
1833 	return ret;
1834 }
1835 
1836 /* SoC card */
1837 static const char sdw_card_long_name[] = "Intel Soundwire SOF";
1838 
1839 static struct snd_soc_card card_sof_sdw = {
1840 	.name = "soundwire",
1841 	.owner = THIS_MODULE,
1842 	.late_probe = sof_sdw_card_late_probe,
1843 };
1844 
1845 /* helper to get the link that the codec DAI is used */
1846 static struct snd_soc_dai_link *mc_find_codec_dai_used(struct snd_soc_card *card,
1847 						       const char *dai_name)
1848 {
1849 	struct snd_soc_dai_link *dai_link;
1850 	int i;
1851 	int j;
1852 
1853 	for_each_card_prelinks(card, i, dai_link) {
1854 		for (j = 0; j < dai_link->num_codecs; j++) {
1855 			/* Check each codec in a link */
1856 			if (!strcmp(dai_link->codecs[j].dai_name, dai_name))
1857 				return dai_link;
1858 		}
1859 	}
1860 	return NULL;
1861 }
1862 
1863 static void mc_dailink_exit_loop(struct snd_soc_card *card)
1864 {
1865 	struct snd_soc_dai_link *dai_link;
1866 	int ret;
1867 	int i, j;
1868 
1869 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
1870 		for (j = 0; j < codec_info_list[i].dai_num; j++) {
1871 			/* Check each dai in codec_info_lis to see if it is used in the link */
1872 			if (!codec_info_list[i].dais[j].exit)
1873 				continue;
1874 			/*
1875 			 * We don't need to call .exit function if there is no matched
1876 			 * dai link found.
1877 			 */
1878 			dai_link = mc_find_codec_dai_used(card,
1879 							  codec_info_list[i].dais[j].dai_name);
1880 			if (dai_link) {
1881 				/* Do the .exit function if the codec dai is used in the link */
1882 				ret = codec_info_list[i].dais[j].exit(card, dai_link);
1883 				if (ret)
1884 					dev_warn(card->dev,
1885 						 "codec exit failed %d\n",
1886 						 ret);
1887 				break;
1888 			}
1889 		}
1890 	}
1891 }
1892 
1893 static int mc_probe(struct platform_device *pdev)
1894 {
1895 	struct snd_soc_card *card = &card_sof_sdw;
1896 	struct snd_soc_acpi_mach *mach = dev_get_platdata(&pdev->dev);
1897 	struct mc_private *ctx;
1898 	int amp_num = 0, i;
1899 	int ret;
1900 
1901 	card->dev = &pdev->dev;
1902 
1903 	dev_dbg(card->dev, "Entry\n");
1904 
1905 	ctx = devm_kzalloc(card->dev, sizeof(*ctx), GFP_KERNEL);
1906 	if (!ctx)
1907 		return -ENOMEM;
1908 
1909 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
1910 
1911 	snd_soc_card_set_drvdata(card, ctx);
1912 
1913 	dmi_check_system(sof_sdw_quirk_table);
1914 
1915 	if (quirk_override != -1) {
1916 		dev_info(card->dev, "Overriding quirk 0x%lx => 0x%x\n",
1917 			 sof_sdw_quirk, quirk_override);
1918 		sof_sdw_quirk = quirk_override;
1919 	}
1920 
1921 	log_quirks(card->dev);
1922 
1923 	/* reset amp_num to ensure amp_num++ starts from 0 in each probe */
1924 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1925 		codec_info_list[i].amp_num = 0;
1926 
1927 	ret = sof_card_dai_links_create(card);
1928 	if (ret < 0)
1929 		return ret;
1930 
1931 	/*
1932 	 * the default amp_num is zero for each codec and
1933 	 * amp_num will only be increased for active amp
1934 	 * codecs on used platform
1935 	 */
1936 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1937 		amp_num += codec_info_list[i].amp_num;
1938 
1939 	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
1940 					  "cfg-spk:%d cfg-amp:%d",
1941 					  (sof_sdw_quirk & SOF_SDW_FOUR_SPK)
1942 					  ? 4 : 2, amp_num);
1943 	if (!card->components)
1944 		return -ENOMEM;
1945 
1946 	if (mach->mach_params.dmic_num) {
1947 		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
1948 						  "%s mic:dmic cfg-mics:%d",
1949 						  card->components,
1950 						  mach->mach_params.dmic_num);
1951 		if (!card->components)
1952 			return -ENOMEM;
1953 	}
1954 
1955 	card->long_name = sdw_card_long_name;
1956 
1957 	/* Register the card */
1958 	ret = devm_snd_soc_register_card(card->dev, card);
1959 	if (ret) {
1960 		dev_err(card->dev, "snd_soc_register_card failed %d\n", ret);
1961 		mc_dailink_exit_loop(card);
1962 		return ret;
1963 	}
1964 
1965 	platform_set_drvdata(pdev, card);
1966 
1967 	return ret;
1968 }
1969 
1970 static void mc_remove(struct platform_device *pdev)
1971 {
1972 	struct snd_soc_card *card = platform_get_drvdata(pdev);
1973 
1974 	mc_dailink_exit_loop(card);
1975 }
1976 
1977 static const struct platform_device_id mc_id_table[] = {
1978 	{ "sof_sdw", },
1979 	{}
1980 };
1981 MODULE_DEVICE_TABLE(platform, mc_id_table);
1982 
1983 static struct platform_driver sof_sdw_driver = {
1984 	.driver = {
1985 		.name = "sof_sdw",
1986 		.pm = &snd_soc_pm_ops,
1987 	},
1988 	.probe = mc_probe,
1989 	.remove_new = mc_remove,
1990 	.id_table = mc_id_table,
1991 };
1992 
1993 module_platform_driver(sof_sdw_driver);
1994 
1995 MODULE_DESCRIPTION("ASoC SoundWire Generic Machine driver");
1996 MODULE_AUTHOR("Bard Liao <yung-chuan.liao@linux.intel.com>");
1997 MODULE_AUTHOR("Rander Wang <rander.wang@linux.intel.com>");
1998 MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
1999 MODULE_LICENSE("GPL v2");
2000 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
2001 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
2002