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 
log_quirks(struct device * dev)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 
sof_sdw_quirk_cb(const struct dmi_system_id * id)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, "0B14"),
384 		},
385 		/* No Jack */
386 		.driver_data = (void *)SOF_SDW_TGL_HDMI,
387 	},
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, "0B29"),
394 		},
395 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
396 					RT711_JD2 |
397 					SOF_SDW_FOUR_SPK),
398 	},
399 	{
400 		.callback = sof_sdw_quirk_cb,
401 		.matches = {
402 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
403 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0B34"),
404 		},
405 		/* No Jack */
406 		.driver_data = (void *)SOF_SDW_TGL_HDMI,
407 	},
408 	{
409 		.callback = sof_sdw_quirk_cb,
410 		.matches = {
411 			DMI_MATCH(DMI_SYS_VENDOR, "HP"),
412 			DMI_MATCH(DMI_PRODUCT_NAME, "OMEN by HP Gaming Laptop 16-k0xxx"),
413 		},
414 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
415 					RT711_JD2),
416 	},
417 	/* RaptorLake devices */
418 	{
419 		.callback = sof_sdw_quirk_cb,
420 		.matches = {
421 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
422 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0BDA")
423 		},
424 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
425 					RT711_JD2 |
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, "0C10"),
433 		},
434 		/* No Jack */
435 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
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, "0C11")
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, "0C40")
453 		},
454 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
455 					RT711_JD2 |
456 					SOF_SDW_FOUR_SPK),
457 	},
458 	{
459 		.callback = sof_sdw_quirk_cb,
460 		.matches = {
461 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
462 			DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0C4F")
463 		},
464 		.driver_data = (void *)(SOF_SDW_TGL_HDMI |
465 					RT711_JD2 |
466 					SOF_SDW_FOUR_SPK),
467 	},
468 	/* MeteorLake devices */
469 	{
470 		.callback = sof_sdw_quirk_cb,
471 		.matches = {
472 			DMI_MATCH(DMI_PRODUCT_FAMILY, "Intel_mtlrvp"),
473 		},
474 		.driver_data = (void *)(RT711_JD1),
475 	},
476 	{
477 		.callback = sof_sdw_quirk_cb,
478 		.matches = {
479 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
480 			DMI_MATCH(DMI_PRODUCT_NAME, "Meteor Lake Client Platform"),
481 		},
482 		.driver_data = (void *)(RT711_JD2_100K),
483 	},
484 	{
485 		.callback = sof_sdw_quirk_cb,
486 		.matches = {
487 			DMI_MATCH(DMI_SYS_VENDOR, "Google"),
488 			DMI_MATCH(DMI_PRODUCT_NAME, "Rex"),
489 		},
490 		.driver_data = (void *)(SOF_SDW_PCH_DMIC |
491 					SOF_BT_OFFLOAD_SSP(1) |
492 					SOF_SSP_BT_OFFLOAD_PRESENT),
493 	},
494 	/* LunarLake devices */
495 	{
496 		.callback = sof_sdw_quirk_cb,
497 		.matches = {
498 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
499 			DMI_MATCH(DMI_PRODUCT_NAME, "Lunar Lake Client Platform"),
500 		},
501 		.driver_data = (void *)(RT711_JD2),
502 	},
503 	{}
504 };
505 
506 static struct snd_soc_dai_link_component dmic_component[] = {
507 	{
508 		.name = "dmic-codec",
509 		.dai_name = "dmic-hifi",
510 	}
511 };
512 
513 static struct snd_soc_dai_link_component platform_component[] = {
514 	{
515 		/* name might be overridden during probe */
516 		.name = "0000:00:1f.3"
517 	}
518 };
519 
520 /* these wrappers are only needed to avoid typecast compilation errors */
sdw_startup(struct snd_pcm_substream * substream)521 int sdw_startup(struct snd_pcm_substream *substream)
522 {
523 	return sdw_startup_stream(substream);
524 }
525 
sdw_prepare(struct snd_pcm_substream * substream)526 int sdw_prepare(struct snd_pcm_substream *substream)
527 {
528 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
529 	struct sdw_stream_runtime *sdw_stream;
530 	struct snd_soc_dai *dai;
531 
532 	/* Find stream from first CPU DAI */
533 	dai = asoc_rtd_to_cpu(rtd, 0);
534 
535 	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
536 	if (IS_ERR(sdw_stream)) {
537 		dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name);
538 		return PTR_ERR(sdw_stream);
539 	}
540 
541 	return sdw_prepare_stream(sdw_stream);
542 }
543 
sdw_trigger(struct snd_pcm_substream * substream,int cmd)544 int sdw_trigger(struct snd_pcm_substream *substream, int cmd)
545 {
546 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
547 	struct sdw_stream_runtime *sdw_stream;
548 	struct snd_soc_dai *dai;
549 	int ret;
550 
551 	/* Find stream from first CPU DAI */
552 	dai = asoc_rtd_to_cpu(rtd, 0);
553 
554 	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
555 	if (IS_ERR(sdw_stream)) {
556 		dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name);
557 		return PTR_ERR(sdw_stream);
558 	}
559 
560 	switch (cmd) {
561 	case SNDRV_PCM_TRIGGER_START:
562 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
563 	case SNDRV_PCM_TRIGGER_RESUME:
564 		ret = sdw_enable_stream(sdw_stream);
565 		break;
566 
567 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
568 	case SNDRV_PCM_TRIGGER_SUSPEND:
569 	case SNDRV_PCM_TRIGGER_STOP:
570 		ret = sdw_disable_stream(sdw_stream);
571 		break;
572 	default:
573 		ret = -EINVAL;
574 		break;
575 	}
576 
577 	if (ret)
578 		dev_err(rtd->dev, "%s trigger %d failed: %d\n", __func__, cmd, ret);
579 
580 	return ret;
581 }
582 
sdw_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)583 int sdw_hw_params(struct snd_pcm_substream *substream,
584 		  struct snd_pcm_hw_params *params)
585 {
586 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
587 	int ch = params_channels(params);
588 	struct snd_soc_dai *codec_dai;
589 	struct snd_soc_dai *cpu_dai;
590 	unsigned int ch_mask;
591 	int num_codecs;
592 	int step;
593 	int i;
594 	int j;
595 
596 	if (!rtd->dai_link->codec_ch_maps)
597 		return 0;
598 
599 	/* Identical data will be sent to all codecs in playback */
600 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
601 		ch_mask = GENMASK(ch - 1, 0);
602 		step = 0;
603 	} else {
604 		num_codecs = rtd->dai_link->num_codecs;
605 
606 		if (ch < num_codecs || ch % num_codecs != 0) {
607 			dev_err(rtd->dev, "Channels number %d is invalid when codec number = %d\n",
608 				ch, num_codecs);
609 			return -EINVAL;
610 		}
611 
612 		ch_mask = GENMASK(ch / num_codecs - 1, 0);
613 		step = hweight_long(ch_mask);
614 
615 	}
616 
617 	/*
618 	 * The captured data will be combined from each cpu DAI if the dai
619 	 * link has more than one codec DAIs. Set codec channel mask and
620 	 * ASoC will set the corresponding channel numbers for each cpu dai.
621 	 */
622 	for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
623 		for_each_rtd_codec_dais(rtd, j, codec_dai) {
624 			if (rtd->dai_link->codec_ch_maps[j].connected_cpu_id != i)
625 				continue;
626 			rtd->dai_link->codec_ch_maps[j].ch_mask = ch_mask << (j * step);
627 		}
628 	}
629 	return 0;
630 }
631 
sdw_hw_free(struct snd_pcm_substream * substream)632 int sdw_hw_free(struct snd_pcm_substream *substream)
633 {
634 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
635 	struct sdw_stream_runtime *sdw_stream;
636 	struct snd_soc_dai *dai;
637 
638 	/* Find stream from first CPU DAI */
639 	dai = asoc_rtd_to_cpu(rtd, 0);
640 
641 	sdw_stream = snd_soc_dai_get_stream(dai, substream->stream);
642 	if (IS_ERR(sdw_stream)) {
643 		dev_err(rtd->dev, "no stream found for DAI %s\n", dai->name);
644 		return PTR_ERR(sdw_stream);
645 	}
646 
647 	return sdw_deprepare_stream(sdw_stream);
648 }
649 
sdw_shutdown(struct snd_pcm_substream * substream)650 void sdw_shutdown(struct snd_pcm_substream *substream)
651 {
652 	sdw_shutdown_stream(substream);
653 }
654 
655 static const struct snd_soc_ops sdw_ops = {
656 	.startup = sdw_startup,
657 	.prepare = sdw_prepare,
658 	.trigger = sdw_trigger,
659 	.hw_params = sdw_hw_params,
660 	.hw_free = sdw_hw_free,
661 	.shutdown = sdw_shutdown,
662 };
663 
664 static struct sof_sdw_codec_info codec_info_list[] = {
665 	{
666 		.part_id = 0x700,
667 		.dais = {
668 			{
669 				.direction = {true, true},
670 				.dai_name = "rt700-aif1",
671 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
672 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
673 				.init = sof_sdw_rt700_init,
674 			},
675 		},
676 		.dai_num = 1,
677 	},
678 	{
679 		.part_id = 0x711,
680 		.version_id = 3,
681 		.dais = {
682 			{
683 				.direction = {true, true},
684 				.dai_name = "rt711-sdca-aif1",
685 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
686 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
687 				.init = sof_sdw_rt_sdca_jack_init,
688 				.exit = sof_sdw_rt_sdca_jack_exit,
689 			},
690 		},
691 		.dai_num = 1,
692 	},
693 	{
694 		.part_id = 0x711,
695 		.version_id = 2,
696 		.dais = {
697 			{
698 				.direction = {true, true},
699 				.dai_name = "rt711-aif1",
700 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
701 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
702 				.init = sof_sdw_rt711_init,
703 				.exit = sof_sdw_rt711_exit,
704 			},
705 		},
706 		.dai_num = 1,
707 	},
708 	{
709 		.part_id = 0x712,
710 		.version_id = 3,
711 		.dais =	{
712 			{
713 				.direction = {true, true},
714 				.dai_name = "rt712-sdca-aif1",
715 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
716 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
717 				.init = sof_sdw_rt_sdca_jack_init,
718 				.exit = sof_sdw_rt_sdca_jack_exit,
719 			},
720 			{
721 				.direction = {true, false},
722 				.dai_name = "rt712-sdca-aif2",
723 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
724 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_UNUSED_DAI_ID},
725 				.init = sof_sdw_rt712_spk_init,
726 			},
727 		},
728 		.dai_num = 2,
729 	},
730 	{
731 		.part_id = 0x1712,
732 		.version_id = 3,
733 		.dais =	{
734 			{
735 				.direction = {false, true},
736 				.dai_name = "rt712-sdca-dmic-aif1",
737 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
738 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
739 				.init = sof_sdw_rt712_sdca_dmic_init,
740 			},
741 		},
742 		.dai_num = 1,
743 	},
744 	{
745 		.part_id = 0x713,
746 		.version_id = 3,
747 		.dais =	{
748 			{
749 				.direction = {true, true},
750 				.dai_name = "rt712-sdca-aif1",
751 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
752 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
753 				.init = sof_sdw_rt_sdca_jack_init,
754 				.exit = sof_sdw_rt_sdca_jack_exit,
755 			},
756 		},
757 		.dai_num = 1,
758 	},
759 	{
760 		.part_id = 0x1713,
761 		.version_id = 3,
762 		.dais =	{
763 			{
764 				.direction = {false, true},
765 				.dai_name = "rt712-sdca-dmic-aif1",
766 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
767 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
768 				.init = sof_sdw_rt712_sdca_dmic_init,
769 			},
770 		},
771 		.dai_num = 1,
772 	},
773 	{
774 		.part_id = 0x1308,
775 		.acpi_id = "10EC1308",
776 		.dais = {
777 			{
778 				.direction = {true, false},
779 				.dai_name = "rt1308-aif",
780 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
781 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_UNUSED_DAI_ID},
782 				.init = sof_sdw_rt_amp_init,
783 				.exit = sof_sdw_rt_amp_exit,
784 			},
785 		},
786 		.dai_num = 1,
787 		.ops = &sof_sdw_rt1308_i2s_ops,
788 	},
789 	{
790 		.part_id = 0x1316,
791 		.dais = {
792 			{
793 				.direction = {true, true},
794 				.dai_name = "rt1316-aif",
795 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
796 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
797 				.init = sof_sdw_rt_amp_init,
798 				.exit = sof_sdw_rt_amp_exit,
799 			},
800 		},
801 		.dai_num = 1,
802 	},
803 	{
804 		.part_id = 0x1318,
805 		.dais = {
806 			{
807 				.direction = {true, true},
808 				.dai_name = "rt1318-aif",
809 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
810 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
811 				.init = sof_sdw_rt_amp_init,
812 				.exit = sof_sdw_rt_amp_exit,
813 			},
814 		},
815 		.dai_num = 1,
816 	},
817 	{
818 		.part_id = 0x714,
819 		.version_id = 3,
820 		.ignore_pch_dmic = true,
821 		.dais = {
822 			{
823 				.direction = {false, true},
824 				.dai_name = "rt715-aif2",
825 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
826 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
827 				.init = sof_sdw_rt715_sdca_init,
828 			},
829 		},
830 		.dai_num = 1,
831 	},
832 	{
833 		.part_id = 0x715,
834 		.version_id = 3,
835 		.ignore_pch_dmic = true,
836 		.dais = {
837 			{
838 				.direction = {false, true},
839 				.dai_name = "rt715-aif2",
840 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
841 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
842 				.init = sof_sdw_rt715_sdca_init,
843 			},
844 		},
845 		.dai_num = 1,
846 	},
847 	{
848 		.part_id = 0x714,
849 		.version_id = 2,
850 		.ignore_pch_dmic = true,
851 		.dais = {
852 			{
853 				.direction = {false, true},
854 				.dai_name = "rt715-aif2",
855 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
856 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
857 				.init = sof_sdw_rt715_init,
858 			},
859 		},
860 		.dai_num = 1,
861 	},
862 	{
863 		.part_id = 0x715,
864 		.version_id = 2,
865 		.ignore_pch_dmic = true,
866 		.dais = {
867 			{
868 				.direction = {false, true},
869 				.dai_name = "rt715-aif2",
870 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
871 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
872 				.init = sof_sdw_rt715_init,
873 			},
874 		},
875 		.dai_num = 1,
876 	},
877 	{
878 		.part_id = 0x8373,
879 		.dais = {
880 			{
881 				.direction = {true, true},
882 				.dai_name = "max98373-aif1",
883 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
884 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
885 				.init = sof_sdw_maxim_init,
886 			},
887 		},
888 		.dai_num = 1,
889 	},
890 	{
891 		.part_id = 0x8363,
892 		.dais = {
893 			{
894 				.direction = {true, false},
895 				.dai_name = "max98363-aif1",
896 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
897 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_UNUSED_DAI_ID},
898 				.init = sof_sdw_maxim_init,
899 			},
900 		},
901 		.dai_num = 1,
902 	},
903 	{
904 		.part_id = 0x5682,
905 		.dais = {
906 			{
907 				.direction = {true, true},
908 				.dai_name = "rt5682-sdw",
909 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
910 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
911 				.init = sof_sdw_rt5682_init,
912 			},
913 		},
914 		.dai_num = 1,
915 	},
916 	{
917 		.part_id = 0x3556,
918 		.dais = {
919 			{
920 				.direction = {true, true},
921 				.dai_name = "cs35l56-sdw1",
922 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
923 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
924 				.init = sof_sdw_cs_amp_init,
925 			},
926 		},
927 		.dai_num = 1,
928 	},
929 	{
930 		.part_id = 0x4242,
931 		.dais = {
932 			{
933 				.direction = {true, true},
934 				.dai_name = "cs42l42-sdw",
935 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
936 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
937 				.init = sof_sdw_cs42l42_init,
938 			},
939 		},
940 		.dai_num = 1,
941 	},
942 	{
943 		.part_id = 0xaaaa, /* generic codec mockup */
944 		.version_id = 0,
945 		.dais = {
946 			{
947 				.direction = {true, true},
948 				.dai_name = "sdw-mockup-aif1",
949 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
950 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
951 				.init = NULL,
952 			},
953 		},
954 		.dai_num = 1,
955 	},
956 	{
957 		.part_id = 0xaa55, /* headset codec mockup */
958 		.version_id = 0,
959 		.dais = {
960 			{
961 				.direction = {true, true},
962 				.dai_name = "sdw-mockup-aif1",
963 				.dai_type = SOF_SDW_DAI_TYPE_JACK,
964 				.dailink = {SDW_JACK_OUT_DAI_ID, SDW_JACK_IN_DAI_ID},
965 				.init = NULL,
966 			},
967 		},
968 		.dai_num = 1,
969 	},
970 	{
971 		.part_id = 0x55aa, /* amplifier mockup */
972 		.version_id = 0,
973 		.dais = {
974 			{
975 				.direction = {true, true},
976 				.dai_name = "sdw-mockup-aif1",
977 				.dai_type = SOF_SDW_DAI_TYPE_AMP,
978 				.dailink = {SDW_AMP_OUT_DAI_ID, SDW_AMP_IN_DAI_ID},
979 				.init = NULL,
980 			},
981 		},
982 		.dai_num = 1,
983 	},
984 	{
985 		.part_id = 0x5555,
986 		.version_id = 0,
987 		.dais = {
988 			{
989 				.dai_name = "sdw-mockup-aif1",
990 				.direction = {false, true},
991 				.dai_type = SOF_SDW_DAI_TYPE_MIC,
992 				.dailink = {SDW_UNUSED_DAI_ID, SDW_DMIC_DAI_ID},
993 				.init = NULL,
994 			},
995 		},
996 		.dai_num = 1,
997 	},
998 };
999 
find_codec_info_part(const u64 adr)1000 static inline int find_codec_info_part(const u64 adr)
1001 {
1002 	unsigned int part_id, sdw_version;
1003 	int i;
1004 
1005 	part_id = SDW_PART_ID(adr);
1006 	sdw_version = SDW_VERSION(adr);
1007 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1008 		/*
1009 		 * A codec info is for all sdw version with the part id if
1010 		 * version_id is not specified in the codec info.
1011 		 */
1012 		if (part_id == codec_info_list[i].part_id &&
1013 		    (!codec_info_list[i].version_id ||
1014 		     sdw_version == codec_info_list[i].version_id))
1015 			return i;
1016 
1017 	return -EINVAL;
1018 
1019 }
1020 
find_codec_info_acpi(const u8 * acpi_id)1021 static inline int find_codec_info_acpi(const u8 *acpi_id)
1022 {
1023 	int i;
1024 
1025 	if (!acpi_id[0])
1026 		return -EINVAL;
1027 
1028 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1029 		if (!memcmp(codec_info_list[i].acpi_id, acpi_id, ACPI_ID_LEN))
1030 			return i;
1031 
1032 	return -EINVAL;
1033 }
1034 
1035 /*
1036  * get BE dailink number and CPU DAI number based on sdw link adr.
1037  * Since some sdw slaves may be aggregated, the CPU DAI number
1038  * may be larger than the number of BE dailinks.
1039  */
get_dailink_info(struct device * dev,const struct snd_soc_acpi_link_adr * adr_link,int * sdw_be_num,int * sdw_cpu_dai_num,int * codecs_num)1040 static int get_dailink_info(struct device *dev,
1041 			    const struct snd_soc_acpi_link_adr *adr_link,
1042 			    int *sdw_be_num, int *sdw_cpu_dai_num, int *codecs_num)
1043 {
1044 	bool group_visited[SDW_MAX_GROUPS];
1045 	bool no_aggregation;
1046 	int i;
1047 	int j;
1048 
1049 	no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
1050 	*sdw_cpu_dai_num = 0;
1051 	*sdw_be_num  = 0;
1052 
1053 	if (!adr_link)
1054 		return -EINVAL;
1055 
1056 	for (i = 0; i < SDW_MAX_GROUPS; i++)
1057 		group_visited[i] = false;
1058 
1059 	for (; adr_link->num_adr; adr_link++) {
1060 		const struct snd_soc_acpi_endpoint *endpoint;
1061 		struct sof_sdw_codec_info *codec_info;
1062 		int codec_index;
1063 		int stream;
1064 		u64 adr;
1065 
1066 		/* make sure the link mask has a single bit set */
1067 		if (!is_power_of_2(adr_link->mask))
1068 			return -EINVAL;
1069 
1070 		for (i = 0; i < adr_link->num_adr; i++) {
1071 			adr = adr_link->adr_d[i].adr;
1072 			codec_index = find_codec_info_part(adr);
1073 			if (codec_index < 0)
1074 				return codec_index;
1075 
1076 			codec_info = &codec_info_list[codec_index];
1077 
1078 			*codecs_num += codec_info->dai_num;
1079 
1080 			if (!adr_link->adr_d[i].name_prefix) {
1081 				dev_err(dev, "codec 0x%llx does not have a name prefix\n",
1082 					adr_link->adr_d[i].adr);
1083 				return -EINVAL;
1084 			}
1085 
1086 			endpoint = adr_link->adr_d[i].endpoints;
1087 			if (endpoint->aggregated && !endpoint->group_id) {
1088 				dev_err(dev, "invalid group id on link %x\n",
1089 					adr_link->mask);
1090 				return -EINVAL;
1091 			}
1092 
1093 			for (j = 0; j < codec_info->dai_num; j++) {
1094 				/* count DAI number for playback and capture */
1095 				for_each_pcm_streams(stream) {
1096 					if (!codec_info->dais[j].direction[stream])
1097 						continue;
1098 
1099 					(*sdw_cpu_dai_num)++;
1100 
1101 					/* count BE for each non-aggregated slave or group */
1102 					if (!endpoint->aggregated || no_aggregation ||
1103 					    !group_visited[endpoint->group_id])
1104 						(*sdw_be_num)++;
1105 				}
1106 			}
1107 
1108 			if (endpoint->aggregated)
1109 				group_visited[endpoint->group_id] = true;
1110 		}
1111 	}
1112 
1113 	return 0;
1114 }
1115 
init_dai_link(struct device * dev,struct snd_soc_dai_link * dai_links,int be_id,char * name,int playback,int capture,struct snd_soc_dai_link_component * cpus,int cpus_num,struct snd_soc_dai_link_component * codecs,int codecs_num,int (* init)(struct snd_soc_pcm_runtime * rtd),const struct snd_soc_ops * ops)1116 static void init_dai_link(struct device *dev, struct snd_soc_dai_link *dai_links,
1117 			  int be_id, char *name, int playback, int capture,
1118 			  struct snd_soc_dai_link_component *cpus, int cpus_num,
1119 			  struct snd_soc_dai_link_component *codecs, int codecs_num,
1120 			  int (*init)(struct snd_soc_pcm_runtime *rtd),
1121 			  const struct snd_soc_ops *ops)
1122 {
1123 	dev_dbg(dev, "create dai link %s, id %d\n", name, be_id);
1124 	dai_links->id = be_id;
1125 	dai_links->name = name;
1126 	dai_links->platforms = platform_component;
1127 	dai_links->num_platforms = ARRAY_SIZE(platform_component);
1128 	dai_links->no_pcm = 1;
1129 	dai_links->cpus = cpus;
1130 	dai_links->num_cpus = cpus_num;
1131 	dai_links->codecs = codecs;
1132 	dai_links->num_codecs = codecs_num;
1133 	dai_links->dpcm_playback = playback;
1134 	dai_links->dpcm_capture = capture;
1135 	dai_links->init = init;
1136 	dai_links->ops = ops;
1137 }
1138 
is_unique_device(const struct snd_soc_acpi_link_adr * adr_link,unsigned int sdw_version,unsigned int mfg_id,unsigned int part_id,unsigned int class_id,int index_in_link)1139 static bool is_unique_device(const struct snd_soc_acpi_link_adr *adr_link,
1140 			     unsigned int sdw_version,
1141 			     unsigned int mfg_id,
1142 			     unsigned int part_id,
1143 			     unsigned int class_id,
1144 			     int index_in_link)
1145 {
1146 	int i;
1147 
1148 	for (i = 0; i < adr_link->num_adr; i++) {
1149 		unsigned int sdw1_version, mfg1_id, part1_id, class1_id;
1150 		u64 adr;
1151 
1152 		/* skip itself */
1153 		if (i == index_in_link)
1154 			continue;
1155 
1156 		adr = adr_link->adr_d[i].adr;
1157 
1158 		sdw1_version = SDW_VERSION(adr);
1159 		mfg1_id = SDW_MFG_ID(adr);
1160 		part1_id = SDW_PART_ID(adr);
1161 		class1_id = SDW_CLASS_ID(adr);
1162 
1163 		if (sdw_version == sdw1_version &&
1164 		    mfg_id == mfg1_id &&
1165 		    part_id == part1_id &&
1166 		    class_id == class1_id)
1167 			return false;
1168 	}
1169 
1170 	return true;
1171 }
1172 
fill_sdw_codec_dlc(struct device * dev,const struct snd_soc_acpi_link_adr * adr_link,struct snd_soc_dai_link_component * codec,int adr_index,int dai_index)1173 static int fill_sdw_codec_dlc(struct device *dev,
1174 			      const struct snd_soc_acpi_link_adr *adr_link,
1175 			      struct snd_soc_dai_link_component *codec,
1176 			      int adr_index, int dai_index)
1177 {
1178 	unsigned int sdw_version, unique_id, mfg_id, link_id, part_id, class_id;
1179 	u64 adr = adr_link->adr_d[adr_index].adr;
1180 	int codec_index;
1181 
1182 	codec_index = find_codec_info_part(adr);
1183 	if (codec_index < 0)
1184 		return codec_index;
1185 
1186 	sdw_version = SDW_VERSION(adr);
1187 	link_id = SDW_DISCO_LINK_ID(adr);
1188 	unique_id = SDW_UNIQUE_ID(adr);
1189 	mfg_id = SDW_MFG_ID(adr);
1190 	part_id = SDW_PART_ID(adr);
1191 	class_id = SDW_CLASS_ID(adr);
1192 
1193 	if (codec_info_list[codec_index].codec_name)
1194 		codec->name = devm_kstrdup(dev,
1195 					   codec_info_list[codec_index].codec_name,
1196 					   GFP_KERNEL);
1197 	else if (is_unique_device(adr_link, sdw_version, mfg_id, part_id,
1198 				  class_id, adr_index))
1199 		codec->name = devm_kasprintf(dev, GFP_KERNEL,
1200 					     "sdw:0:%01x:%04x:%04x:%02x", link_id,
1201 					     mfg_id, part_id, class_id);
1202 	else
1203 		codec->name = devm_kasprintf(dev, GFP_KERNEL,
1204 					     "sdw:0:%01x:%04x:%04x:%02x:%01x", link_id,
1205 					     mfg_id, part_id, class_id, unique_id);
1206 
1207 	if (!codec->name)
1208 		return -ENOMEM;
1209 
1210 	codec->dai_name = codec_info_list[codec_index].dais[dai_index].dai_name;
1211 
1212 	return 0;
1213 }
1214 
set_codec_init_func(struct snd_soc_card * card,const struct snd_soc_acpi_link_adr * adr_link,struct snd_soc_dai_link * dai_links,bool playback,int group_id,int adr_index,int dai_index)1215 static int set_codec_init_func(struct snd_soc_card *card,
1216 			       const struct snd_soc_acpi_link_adr *adr_link,
1217 			       struct snd_soc_dai_link *dai_links,
1218 			       bool playback, int group_id, int adr_index, int dai_index)
1219 {
1220 	int i = adr_index;
1221 
1222 	do {
1223 		/*
1224 		 * Initialize the codec. If codec is part of an aggregated
1225 		 * group (group_id>0), initialize all codecs belonging to
1226 		 * same group.
1227 		 * The first link should start with adr_link->adr_d[adr_index]
1228 		 * because that is the device that we want to initialize and
1229 		 * we should end immediately if it is not aggregated (group_id=0)
1230 		 */
1231 		for ( ; i < adr_link->num_adr; i++) {
1232 			int codec_index;
1233 
1234 			codec_index = find_codec_info_part(adr_link->adr_d[i].adr);
1235 			if (codec_index < 0)
1236 				return codec_index;
1237 
1238 			/* The group_id is > 0 iff the codec is aggregated */
1239 			if (adr_link->adr_d[i].endpoints->group_id != group_id)
1240 				continue;
1241 
1242 			if (codec_info_list[codec_index].dais[dai_index].init)
1243 				codec_info_list[codec_index].dais[dai_index].init(card,
1244 						adr_link,
1245 						dai_links,
1246 						&codec_info_list[codec_index],
1247 						playback);
1248 			if (!group_id)
1249 				return 0;
1250 		}
1251 
1252 		i = 0;
1253 		adr_link++;
1254 	} while (adr_link->mask);
1255 
1256 	return 0;
1257 }
1258 
1259 /*
1260  * check endpoint status in slaves and gather link ID for all slaves in
1261  * the same group to generate different CPU DAI. Now only support
1262  * one sdw link with all slaves set with only single group id.
1263  *
1264  * one slave on one sdw link with aggregated = 0
1265  * one sdw BE DAI <---> one-cpu DAI <---> one-codec DAI
1266  *
1267  * two or more slaves on one sdw link with aggregated = 0
1268  * one sdw BE DAI  <---> one-cpu DAI <---> multi-codec DAIs
1269  *
1270  * multiple links with multiple slaves with aggregated = 1
1271  * one sdw BE DAI  <---> 1 .. N CPU DAIs <----> 1 .. N codec DAIs
1272  */
get_slave_info(const struct snd_soc_acpi_link_adr * adr_link,struct device * dev,int * cpu_dai_id,int * cpu_dai_num,int * codec_num,unsigned int * group_id,int adr_index)1273 static int get_slave_info(const struct snd_soc_acpi_link_adr *adr_link,
1274 			  struct device *dev, int *cpu_dai_id, int *cpu_dai_num,
1275 			  int *codec_num, unsigned int *group_id,
1276 			  int adr_index)
1277 {
1278 	bool no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
1279 	int i;
1280 
1281 	if (!adr_link->adr_d[adr_index].endpoints->aggregated || no_aggregation) {
1282 		cpu_dai_id[0] = ffs(adr_link->mask) - 1;
1283 		*cpu_dai_num = 1;
1284 		*codec_num = 1;
1285 		*group_id = 0;
1286 		return 0;
1287 	}
1288 
1289 	*codec_num = 0;
1290 	*cpu_dai_num = 0;
1291 	*group_id = adr_link->adr_d[adr_index].endpoints->group_id;
1292 
1293 	/* Count endpoints with the same group_id in the adr_link */
1294 	for (; adr_link && adr_link->num_adr; adr_link++) {
1295 		unsigned int link_codecs = 0;
1296 
1297 		for (i = 0; i < adr_link->num_adr; i++) {
1298 			if (adr_link->adr_d[i].endpoints->aggregated &&
1299 			    adr_link->adr_d[i].endpoints->group_id == *group_id)
1300 				link_codecs++;
1301 		}
1302 
1303 		if (link_codecs) {
1304 			*codec_num += link_codecs;
1305 
1306 			if (*cpu_dai_num >= SDW_MAX_CPU_DAIS) {
1307 				dev_err(dev, "cpu_dai_id array overflowed\n");
1308 				return -EINVAL;
1309 			}
1310 
1311 			cpu_dai_id[(*cpu_dai_num)++] = ffs(adr_link->mask) - 1;
1312 		}
1313 	}
1314 
1315 	return 0;
1316 }
1317 
set_dailink_map(struct snd_soc_dai_link_codec_ch_map * sdw_codec_ch_maps,int codec_num,int cpu_num)1318 static void set_dailink_map(struct snd_soc_dai_link_codec_ch_map *sdw_codec_ch_maps,
1319 			    int codec_num, int cpu_num)
1320 {
1321 	int step;
1322 	int i;
1323 
1324 	step = codec_num / cpu_num;
1325 	for (i = 0; i < codec_num; i++)
1326 		sdw_codec_ch_maps[i].connected_cpu_id = i / step;
1327 }
1328 
1329 static const char * const type_strings[] = {"SimpleJack", "SmartAmp", "SmartMic"};
1330 
create_sdw_dailink(struct snd_soc_card * card,int * link_index,struct snd_soc_dai_link * dai_links,int sdw_be_num,int sdw_cpu_dai_num,struct snd_soc_dai_link_component * cpus,const struct snd_soc_acpi_link_adr * adr_link,int * cpu_id,struct snd_soc_codec_conf * codec_conf,int codec_count,int * be_id,int * codec_conf_index,bool * ignore_pch_dmic,bool append_dai_type,int adr_index,int dai_index)1331 static int create_sdw_dailink(struct snd_soc_card *card, int *link_index,
1332 			      struct snd_soc_dai_link *dai_links,
1333 			      int sdw_be_num, int sdw_cpu_dai_num,
1334 			      struct snd_soc_dai_link_component *cpus,
1335 			      const struct snd_soc_acpi_link_adr *adr_link,
1336 			      int *cpu_id, struct snd_soc_codec_conf *codec_conf,
1337 			      int codec_count, int *be_id,
1338 			      int *codec_conf_index,
1339 			      bool *ignore_pch_dmic,
1340 			      bool append_dai_type,
1341 			      int adr_index,
1342 			      int dai_index)
1343 {
1344 	struct device *dev = card->dev;
1345 	const struct snd_soc_acpi_link_adr *adr_link_next;
1346 	struct snd_soc_dai_link_component *codecs;
1347 	struct sof_sdw_codec_info *codec_info;
1348 	int cpu_dai_id[SDW_MAX_CPU_DAIS];
1349 	int cpu_dai_num, cpu_dai_index;
1350 	unsigned int group_id;
1351 	int codec_dlc_index = 0;
1352 	int codec_index;
1353 	int codec_num;
1354 	int stream;
1355 	int i = 0;
1356 	int j, k;
1357 	int ret;
1358 
1359 	ret = get_slave_info(adr_link, dev, cpu_dai_id, &cpu_dai_num, &codec_num,
1360 			     &group_id, adr_index);
1361 	if (ret)
1362 		return ret;
1363 
1364 	codecs = devm_kcalloc(dev, codec_num, sizeof(*codecs), GFP_KERNEL);
1365 	if (!codecs)
1366 		return -ENOMEM;
1367 
1368 	/* generate codec name on different links in the same group */
1369 	j = adr_index;
1370 	for (adr_link_next = adr_link; adr_link_next && adr_link_next->num_adr &&
1371 	     i < cpu_dai_num; adr_link_next++) {
1372 		/* skip the link excluded by this processed group */
1373 		if (cpu_dai_id[i] != ffs(adr_link_next->mask) - 1)
1374 			continue;
1375 
1376 		/* j reset after loop, adr_index only applies to first link */
1377 		for (; j < adr_link_next->num_adr && codec_dlc_index < codec_num; j++) {
1378 			const struct snd_soc_acpi_endpoint *endpoints;
1379 
1380 			endpoints = adr_link_next->adr_d[j].endpoints;
1381 
1382 			if (group_id && (!endpoints->aggregated ||
1383 					 endpoints->group_id != group_id))
1384 				continue;
1385 
1386 			/* sanity check */
1387 			if (*codec_conf_index >= codec_count) {
1388 				dev_err(dev, "codec_conf array overflowed\n");
1389 				return -EINVAL;
1390 			}
1391 
1392 			ret = fill_sdw_codec_dlc(dev, adr_link_next,
1393 						 &codecs[codec_dlc_index],
1394 						 j, dai_index);
1395 			if (ret)
1396 				return ret;
1397 
1398 			codec_conf[*codec_conf_index].dlc = codecs[codec_dlc_index];
1399 			codec_conf[*codec_conf_index].name_prefix =
1400 					adr_link_next->adr_d[j].name_prefix;
1401 
1402 			codec_dlc_index++;
1403 			(*codec_conf_index)++;
1404 		}
1405 		j = 0;
1406 
1407 		/* check next link to create codec dai in the processed group */
1408 		i++;
1409 	}
1410 
1411 	/* find codec info to create BE DAI */
1412 	codec_index = find_codec_info_part(adr_link->adr_d[adr_index].adr);
1413 	if (codec_index < 0)
1414 		return codec_index;
1415 	codec_info = &codec_info_list[codec_index];
1416 
1417 	if (codec_info->ignore_pch_dmic)
1418 		*ignore_pch_dmic = true;
1419 
1420 	cpu_dai_index = *cpu_id;
1421 	for_each_pcm_streams(stream) {
1422 		struct snd_soc_dai_link_codec_ch_map *sdw_codec_ch_maps;
1423 		char *name, *cpu_name;
1424 		int playback, capture;
1425 		static const char * const sdw_stream_name[] = {
1426 			"SDW%d-Playback",
1427 			"SDW%d-Capture",
1428 			"SDW%d-Playback-%s",
1429 			"SDW%d-Capture-%s",
1430 		};
1431 
1432 		if (!codec_info->dais[dai_index].direction[stream])
1433 			continue;
1434 
1435 		*be_id = codec_info->dais[dai_index].dailink[stream];
1436 		if (*be_id < 0) {
1437 			dev_err(dev, "Invalid dailink id %d\n", *be_id);
1438 			return -EINVAL;
1439 		}
1440 
1441 		sdw_codec_ch_maps = devm_kcalloc(dev, codec_num,
1442 						 sizeof(*sdw_codec_ch_maps), GFP_KERNEL);
1443 		if (!sdw_codec_ch_maps)
1444 			return -ENOMEM;
1445 
1446 		/* create stream name according to first link id */
1447 		if (append_dai_type) {
1448 			name = devm_kasprintf(dev, GFP_KERNEL,
1449 					      sdw_stream_name[stream + 2], cpu_dai_id[0],
1450 					      type_strings[codec_info->dais[dai_index].dai_type]);
1451 		} else {
1452 			name = devm_kasprintf(dev, GFP_KERNEL,
1453 					      sdw_stream_name[stream], cpu_dai_id[0]);
1454 		}
1455 		if (!name)
1456 			return -ENOMEM;
1457 
1458 		/*
1459 		 * generate CPU DAI name base on the sdw link ID and
1460 		 * PIN ID with offset of 2 according to sdw dai driver.
1461 		 */
1462 		for (k = 0; k < cpu_dai_num; k++) {
1463 			cpu_name = devm_kasprintf(dev, GFP_KERNEL,
1464 						  "SDW%d Pin%d", cpu_dai_id[k],
1465 						  sdw_pin_index[cpu_dai_id[k]]++);
1466 			if (!cpu_name)
1467 				return -ENOMEM;
1468 
1469 			if (cpu_dai_index >= sdw_cpu_dai_num) {
1470 				dev_err(dev, "invalid cpu dai index %d\n",
1471 					cpu_dai_index);
1472 				return -EINVAL;
1473 			}
1474 
1475 			cpus[cpu_dai_index++].dai_name = cpu_name;
1476 		}
1477 
1478 		/*
1479 		 * We create sdw dai links at first stage, so link index should
1480 		 * not be larger than sdw_be_num
1481 		 */
1482 		if (*link_index >= sdw_be_num) {
1483 			dev_err(dev, "invalid dai link index %d\n", *link_index);
1484 			return -EINVAL;
1485 		}
1486 
1487 		if (*cpu_id >= sdw_cpu_dai_num) {
1488 			dev_err(dev, "invalid cpu dai index %d\n", *cpu_id);
1489 			return -EINVAL;
1490 		}
1491 
1492 		playback = (stream == SNDRV_PCM_STREAM_PLAYBACK);
1493 		capture = (stream == SNDRV_PCM_STREAM_CAPTURE);
1494 		init_dai_link(dev, dai_links + *link_index, (*be_id)++, name,
1495 			      playback, capture,
1496 			      cpus + *cpu_id, cpu_dai_num,
1497 			      codecs, codec_num,
1498 			      NULL, &sdw_ops);
1499 
1500 		/*
1501 		 * SoundWire DAILINKs use 'stream' functions and Bank Switch operations
1502 		 * based on wait_for_completion(), tag them as 'nonatomic'.
1503 		 */
1504 		dai_links[*link_index].nonatomic = true;
1505 
1506 		set_dailink_map(sdw_codec_ch_maps, codec_num, cpu_dai_num);
1507 		dai_links[*link_index].codec_ch_maps = sdw_codec_ch_maps;
1508 		ret = set_codec_init_func(card, adr_link, dai_links + (*link_index)++,
1509 					  playback, group_id, adr_index, dai_index);
1510 		if (ret < 0) {
1511 			dev_err(dev, "failed to init codec %d\n", codec_index);
1512 			return ret;
1513 		}
1514 
1515 		*cpu_id += cpu_dai_num;
1516 	}
1517 
1518 	return 0;
1519 }
1520 
1521 #define IDISP_CODEC_MASK	0x4
1522 
sof_card_dai_links_create(struct snd_soc_card * card)1523 static int sof_card_dai_links_create(struct snd_soc_card *card)
1524 {
1525 	struct device *dev = card->dev;
1526 	struct snd_soc_acpi_mach *mach = dev_get_platdata(card->dev);
1527 	int sdw_be_num = 0, ssp_num = 0, dmic_num = 0, hdmi_num = 0, bt_num = 0;
1528 	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
1529 	struct snd_soc_dai_link_component *idisp_components;
1530 	struct snd_soc_dai_link_component *ssp_components;
1531 	struct snd_soc_acpi_mach_params *mach_params = &mach->mach_params;
1532 	const struct snd_soc_acpi_link_adr *adr_link = mach_params->links;
1533 	bool aggregation = !(sof_sdw_quirk & SOF_SDW_NO_AGGREGATION);
1534 	struct snd_soc_dai_link_component *cpus;
1535 	struct snd_soc_codec_conf *codec_conf;
1536 	bool append_dai_type = false;
1537 	bool ignore_pch_dmic = false;
1538 	int codec_conf_num = 0;
1539 	int codec_conf_index = 0;
1540 	bool group_generated[SDW_MAX_GROUPS] = { };
1541 	int ssp_codec_index, ssp_mask;
1542 	struct snd_soc_dai_link *dai_links;
1543 	int num_links, link_index = 0;
1544 	char *name, *cpu_name;
1545 	int total_cpu_dai_num;
1546 	int sdw_cpu_dai_num;
1547 	int i, j, be_id = 0;
1548 	int codec_index;
1549 	int cpu_id = 0;
1550 	int ret;
1551 
1552 	ret = get_dailink_info(dev, adr_link, &sdw_be_num, &sdw_cpu_dai_num,
1553 			       &codec_conf_num);
1554 	if (ret < 0) {
1555 		dev_err(dev, "failed to get sdw link info %d\n", ret);
1556 		return ret;
1557 	}
1558 
1559 	/*
1560 	 * on generic tgl platform, I2S or sdw mode is supported
1561 	 * based on board rework. A ACPI device is registered in
1562 	 * system only when I2S mode is supported, not sdw mode.
1563 	 * Here check ACPI ID to confirm I2S is supported.
1564 	 */
1565 	ssp_codec_index = find_codec_info_acpi(mach->id);
1566 	if (ssp_codec_index >= 0) {
1567 		ssp_mask = SOF_SSP_GET_PORT(sof_sdw_quirk);
1568 		ssp_num = hweight_long(ssp_mask);
1569 	}
1570 
1571 	if (mach_params->codec_mask & IDISP_CODEC_MASK) {
1572 		ctx->idisp_codec = true;
1573 
1574 		if (sof_sdw_quirk & SOF_SDW_TGL_HDMI)
1575 			hdmi_num = SOF_TGL_HDMI_COUNT;
1576 		else
1577 			hdmi_num = SOF_PRE_TGL_HDMI_COUNT;
1578 	}
1579 
1580 	/* enable dmic01 & dmic16k */
1581 	if (sof_sdw_quirk & SOF_SDW_PCH_DMIC || mach_params->dmic_num)
1582 		dmic_num = 2;
1583 
1584 	if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
1585 		bt_num = 1;
1586 
1587 	dev_dbg(dev, "sdw %d, ssp %d, dmic %d, hdmi %d, bt: %d\n",
1588 		sdw_be_num, ssp_num, dmic_num, hdmi_num, bt_num);
1589 
1590 	/* allocate BE dailinks */
1591 	num_links = sdw_be_num + ssp_num + dmic_num + hdmi_num + bt_num;
1592 	dai_links = devm_kcalloc(dev, num_links, sizeof(*dai_links), GFP_KERNEL);
1593 	if (!dai_links)
1594 		return -ENOMEM;
1595 
1596 	/* allocated CPU DAIs */
1597 	total_cpu_dai_num = sdw_cpu_dai_num + ssp_num + dmic_num + hdmi_num + bt_num;
1598 	cpus = devm_kcalloc(dev, total_cpu_dai_num, sizeof(*cpus), GFP_KERNEL);
1599 	if (!cpus)
1600 		return -ENOMEM;
1601 
1602 	/* allocate codec conf, will be populated when dailinks are created */
1603 	codec_conf = devm_kcalloc(dev, codec_conf_num, sizeof(*codec_conf),
1604 				  GFP_KERNEL);
1605 	if (!codec_conf)
1606 		return -ENOMEM;
1607 
1608 	/* SDW */
1609 	if (!sdw_be_num)
1610 		goto SSP;
1611 
1612 	for (i = 0; i < SDW_MAX_LINKS; i++)
1613 		sdw_pin_index[i] = SDW_INTEL_BIDIR_PDI_BASE;
1614 
1615 	for (; adr_link->num_adr; adr_link++) {
1616 		/*
1617 		 * If there are two or more different devices on the same sdw link, we have to
1618 		 * append the codec type to the dai link name to prevent duplicated dai link name.
1619 		 * The same type devices on the same sdw link will be in the same
1620 		 * snd_soc_acpi_adr_device array. They won't be described in different adr_links.
1621 		 */
1622 		for (i = 0; i < adr_link->num_adr; i++) {
1623 			/* find codec info to get dai_num */
1624 			codec_index = find_codec_info_part(adr_link->adr_d[i].adr);
1625 			if (codec_index < 0)
1626 				return codec_index;
1627 			if (codec_info_list[codec_index].dai_num > 1) {
1628 				append_dai_type = true;
1629 				goto out;
1630 			}
1631 			for (j = 0; j < i; j++) {
1632 				if ((SDW_PART_ID(adr_link->adr_d[i].adr) !=
1633 				    SDW_PART_ID(adr_link->adr_d[j].adr)) ||
1634 				    (SDW_MFG_ID(adr_link->adr_d[i].adr) !=
1635 				    SDW_MFG_ID(adr_link->adr_d[j].adr))) {
1636 					append_dai_type = true;
1637 					goto out;
1638 				}
1639 			}
1640 		}
1641 	}
1642 out:
1643 
1644 	/* generate DAI links by each sdw link */
1645 	for (adr_link = mach_params->links ; adr_link->num_adr; adr_link++) {
1646 		for (i = 0; i < adr_link->num_adr; i++) {
1647 			const struct snd_soc_acpi_endpoint *endpoint;
1648 
1649 			endpoint = adr_link->adr_d[i].endpoints;
1650 
1651 			/* this group has been generated */
1652 			if (endpoint->aggregated &&
1653 			    group_generated[endpoint->group_id])
1654 				continue;
1655 
1656 			/* find codec info to get dai_num */
1657 			codec_index = find_codec_info_part(adr_link->adr_d[i].adr);
1658 			if (codec_index < 0)
1659 				return codec_index;
1660 
1661 			for (j = 0; j < codec_info_list[codec_index].dai_num ; j++) {
1662 				ret = create_sdw_dailink(card, &link_index, dai_links,
1663 							 sdw_be_num, sdw_cpu_dai_num, cpus,
1664 							 adr_link, &cpu_id,
1665 							 codec_conf, codec_conf_num,
1666 							 &be_id, &codec_conf_index,
1667 							 &ignore_pch_dmic, append_dai_type, i, j);
1668 				if (ret < 0) {
1669 					dev_err(dev, "failed to create dai link %d\n", link_index);
1670 					return ret;
1671 				}
1672 			}
1673 
1674 			if (aggregation && endpoint->aggregated)
1675 				group_generated[endpoint->group_id] = true;
1676 		}
1677 	}
1678 
1679 SSP:
1680 	/* SSP */
1681 	if (!ssp_num)
1682 		goto DMIC;
1683 
1684 	for (i = 0, j = 0; ssp_mask; i++, ssp_mask >>= 1) {
1685 		struct sof_sdw_codec_info *info;
1686 		int playback, capture;
1687 		char *codec_name;
1688 
1689 		if (!(ssp_mask & 0x1))
1690 			continue;
1691 
1692 		name = devm_kasprintf(dev, GFP_KERNEL,
1693 				      "SSP%d-Codec", i);
1694 		if (!name)
1695 			return -ENOMEM;
1696 
1697 		cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", i);
1698 		if (!cpu_name)
1699 			return -ENOMEM;
1700 
1701 		ssp_components = devm_kzalloc(dev, sizeof(*ssp_components),
1702 					      GFP_KERNEL);
1703 		if (!ssp_components)
1704 			return -ENOMEM;
1705 
1706 		info = &codec_info_list[ssp_codec_index];
1707 		codec_name = devm_kasprintf(dev, GFP_KERNEL, "i2c-%s:0%d",
1708 					    info->acpi_id, j++);
1709 		if (!codec_name)
1710 			return -ENOMEM;
1711 
1712 		ssp_components->name = codec_name;
1713 		/* TODO: support multi codec dai on SSP when it is needed */
1714 		ssp_components->dai_name = info->dais[0].dai_name;
1715 		cpus[cpu_id].dai_name = cpu_name;
1716 
1717 		playback = info->dais[0].direction[SNDRV_PCM_STREAM_PLAYBACK];
1718 		capture = info->dais[0].direction[SNDRV_PCM_STREAM_CAPTURE];
1719 		init_dai_link(dev, dai_links + link_index, be_id, name,
1720 			      playback, capture,
1721 			      cpus + cpu_id, 1,
1722 			      ssp_components, 1,
1723 			      NULL, info->ops);
1724 
1725 		ret = info->dais[0].init(card, NULL, dai_links + link_index, info, 0);
1726 		if (ret < 0)
1727 			return ret;
1728 
1729 		INC_ID(be_id, cpu_id, link_index);
1730 	}
1731 
1732 DMIC:
1733 	/* dmic */
1734 	if (dmic_num > 0) {
1735 		if (ignore_pch_dmic) {
1736 			dev_warn(dev, "Ignoring PCH DMIC\n");
1737 			goto HDMI;
1738 		}
1739 		cpus[cpu_id].dai_name = "DMIC01 Pin";
1740 		init_dai_link(dev, dai_links + link_index, be_id, "dmic01",
1741 			      0, 1, // DMIC only supports capture
1742 			      cpus + cpu_id, 1,
1743 			      dmic_component, 1,
1744 			      sof_sdw_dmic_init, NULL);
1745 		INC_ID(be_id, cpu_id, link_index);
1746 
1747 		cpus[cpu_id].dai_name = "DMIC16k Pin";
1748 		init_dai_link(dev, dai_links + link_index, be_id, "dmic16k",
1749 			      0, 1, // DMIC only supports capture
1750 			      cpus + cpu_id, 1,
1751 			      dmic_component, 1,
1752 			      /* don't call sof_sdw_dmic_init() twice */
1753 			      NULL, NULL);
1754 		INC_ID(be_id, cpu_id, link_index);
1755 	}
1756 
1757 HDMI:
1758 	/* HDMI */
1759 	if (hdmi_num > 0) {
1760 		idisp_components = devm_kcalloc(dev, hdmi_num,
1761 						sizeof(*idisp_components),
1762 						GFP_KERNEL);
1763 		if (!idisp_components)
1764 			return -ENOMEM;
1765 	}
1766 
1767 	for (i = 0; i < hdmi_num; i++) {
1768 		name = devm_kasprintf(dev, GFP_KERNEL,
1769 				      "iDisp%d", i + 1);
1770 		if (!name)
1771 			return -ENOMEM;
1772 
1773 		if (ctx->idisp_codec) {
1774 			idisp_components[i].name = "ehdaudio0D2";
1775 			idisp_components[i].dai_name = devm_kasprintf(dev,
1776 								      GFP_KERNEL,
1777 								      "intel-hdmi-hifi%d",
1778 								      i + 1);
1779 			if (!idisp_components[i].dai_name)
1780 				return -ENOMEM;
1781 		} else {
1782 			idisp_components[i] = asoc_dummy_dlc;
1783 		}
1784 
1785 		cpu_name = devm_kasprintf(dev, GFP_KERNEL,
1786 					  "iDisp%d Pin", i + 1);
1787 		if (!cpu_name)
1788 			return -ENOMEM;
1789 
1790 		cpus[cpu_id].dai_name = cpu_name;
1791 		init_dai_link(dev, dai_links + link_index, be_id, name,
1792 			      1, 0, // HDMI only supports playback
1793 			      cpus + cpu_id, 1,
1794 			      idisp_components + i, 1,
1795 			      sof_sdw_hdmi_init, NULL);
1796 		INC_ID(be_id, cpu_id, link_index);
1797 	}
1798 
1799 	if (sof_sdw_quirk & SOF_SSP_BT_OFFLOAD_PRESENT) {
1800 		int port = (sof_sdw_quirk & SOF_BT_OFFLOAD_SSP_MASK) >>
1801 				SOF_BT_OFFLOAD_SSP_SHIFT;
1802 
1803 		name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT", port);
1804 		if (!name)
1805 			return -ENOMEM;
1806 
1807 		cpu_name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d Pin", port);
1808 		if (!cpu_name)
1809 			return -ENOMEM;
1810 
1811 		cpus[cpu_id].dai_name = cpu_name;
1812 		init_dai_link(dev, dai_links + link_index, be_id, name, 1, 1,
1813 			      cpus + cpu_id, 1, &asoc_dummy_dlc, 1, NULL, NULL);
1814 	}
1815 
1816 	card->dai_link = dai_links;
1817 	card->num_links = num_links;
1818 
1819 	card->codec_conf = codec_conf;
1820 	card->num_configs = codec_conf_num;
1821 
1822 	return 0;
1823 }
1824 
sof_sdw_card_late_probe(struct snd_soc_card * card)1825 static int sof_sdw_card_late_probe(struct snd_soc_card *card)
1826 {
1827 	struct mc_private *ctx = snd_soc_card_get_drvdata(card);
1828 	int ret = 0;
1829 	int i;
1830 
1831 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
1832 		if (codec_info_list[i].codec_card_late_probe) {
1833 			ret = codec_info_list[i].codec_card_late_probe(card);
1834 
1835 			if (ret < 0)
1836 				return ret;
1837 		}
1838 	}
1839 
1840 	if (ctx->idisp_codec)
1841 		ret = sof_sdw_hdmi_card_late_probe(card);
1842 
1843 	return ret;
1844 }
1845 
1846 /* SoC card */
1847 static const char sdw_card_long_name[] = "Intel Soundwire SOF";
1848 
1849 static struct snd_soc_card card_sof_sdw = {
1850 	.name = "soundwire",
1851 	.owner = THIS_MODULE,
1852 	.late_probe = sof_sdw_card_late_probe,
1853 };
1854 
1855 /* helper to get the link that the codec DAI is used */
mc_find_codec_dai_used(struct snd_soc_card * card,const char * dai_name)1856 static struct snd_soc_dai_link *mc_find_codec_dai_used(struct snd_soc_card *card,
1857 						       const char *dai_name)
1858 {
1859 	struct snd_soc_dai_link *dai_link;
1860 	int i;
1861 	int j;
1862 
1863 	for_each_card_prelinks(card, i, dai_link) {
1864 		for (j = 0; j < dai_link->num_codecs; j++) {
1865 			/* Check each codec in a link */
1866 			if (!strcmp(dai_link->codecs[j].dai_name, dai_name))
1867 				return dai_link;
1868 		}
1869 	}
1870 	return NULL;
1871 }
1872 
mc_dailink_exit_loop(struct snd_soc_card * card)1873 static void mc_dailink_exit_loop(struct snd_soc_card *card)
1874 {
1875 	struct snd_soc_dai_link *dai_link;
1876 	int ret;
1877 	int i, j;
1878 
1879 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++) {
1880 		for (j = 0; j < codec_info_list[i].dai_num; j++) {
1881 			/* Check each dai in codec_info_lis to see if it is used in the link */
1882 			if (!codec_info_list[i].dais[j].exit)
1883 				continue;
1884 			/*
1885 			 * We don't need to call .exit function if there is no matched
1886 			 * dai link found.
1887 			 */
1888 			dai_link = mc_find_codec_dai_used(card,
1889 							  codec_info_list[i].dais[j].dai_name);
1890 			if (dai_link) {
1891 				/* Do the .exit function if the codec dai is used in the link */
1892 				ret = codec_info_list[i].dais[j].exit(card, dai_link);
1893 				if (ret)
1894 					dev_warn(card->dev,
1895 						 "codec exit failed %d\n",
1896 						 ret);
1897 				break;
1898 			}
1899 		}
1900 	}
1901 }
1902 
mc_probe(struct platform_device * pdev)1903 static int mc_probe(struct platform_device *pdev)
1904 {
1905 	struct snd_soc_card *card = &card_sof_sdw;
1906 	struct snd_soc_acpi_mach *mach = dev_get_platdata(&pdev->dev);
1907 	struct mc_private *ctx;
1908 	int amp_num = 0, i;
1909 	int ret;
1910 
1911 	card->dev = &pdev->dev;
1912 
1913 	dev_dbg(card->dev, "Entry\n");
1914 
1915 	ctx = devm_kzalloc(card->dev, sizeof(*ctx), GFP_KERNEL);
1916 	if (!ctx)
1917 		return -ENOMEM;
1918 
1919 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
1920 
1921 	snd_soc_card_set_drvdata(card, ctx);
1922 
1923 	dmi_check_system(sof_sdw_quirk_table);
1924 
1925 	if (quirk_override != -1) {
1926 		dev_info(card->dev, "Overriding quirk 0x%lx => 0x%x\n",
1927 			 sof_sdw_quirk, quirk_override);
1928 		sof_sdw_quirk = quirk_override;
1929 	}
1930 
1931 	log_quirks(card->dev);
1932 
1933 	/* reset amp_num to ensure amp_num++ starts from 0 in each probe */
1934 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1935 		codec_info_list[i].amp_num = 0;
1936 
1937 	if (mach->mach_params.subsystem_id_set) {
1938 		snd_soc_card_set_pci_ssid(card,
1939 					  mach->mach_params.subsystem_vendor,
1940 					  mach->mach_params.subsystem_device);
1941 	}
1942 
1943 	ret = sof_card_dai_links_create(card);
1944 	if (ret < 0)
1945 		return ret;
1946 
1947 	/*
1948 	 * the default amp_num is zero for each codec and
1949 	 * amp_num will only be increased for active amp
1950 	 * codecs on used platform
1951 	 */
1952 	for (i = 0; i < ARRAY_SIZE(codec_info_list); i++)
1953 		amp_num += codec_info_list[i].amp_num;
1954 
1955 	card->components = devm_kasprintf(card->dev, GFP_KERNEL,
1956 					  "cfg-spk:%d cfg-amp:%d",
1957 					  (sof_sdw_quirk & SOF_SDW_FOUR_SPK)
1958 					  ? 4 : 2, amp_num);
1959 	if (!card->components)
1960 		return -ENOMEM;
1961 
1962 	if (mach->mach_params.dmic_num) {
1963 		card->components = devm_kasprintf(card->dev, GFP_KERNEL,
1964 						  "%s mic:dmic cfg-mics:%d",
1965 						  card->components,
1966 						  mach->mach_params.dmic_num);
1967 		if (!card->components)
1968 			return -ENOMEM;
1969 	}
1970 
1971 	card->long_name = sdw_card_long_name;
1972 
1973 	/* Register the card */
1974 	ret = devm_snd_soc_register_card(card->dev, card);
1975 	if (ret) {
1976 		dev_err(card->dev, "snd_soc_register_card failed %d\n", ret);
1977 		mc_dailink_exit_loop(card);
1978 		return ret;
1979 	}
1980 
1981 	platform_set_drvdata(pdev, card);
1982 
1983 	return ret;
1984 }
1985 
mc_remove(struct platform_device * pdev)1986 static void mc_remove(struct platform_device *pdev)
1987 {
1988 	struct snd_soc_card *card = platform_get_drvdata(pdev);
1989 
1990 	mc_dailink_exit_loop(card);
1991 }
1992 
1993 static const struct platform_device_id mc_id_table[] = {
1994 	{ "sof_sdw", },
1995 	{}
1996 };
1997 MODULE_DEVICE_TABLE(platform, mc_id_table);
1998 
1999 static struct platform_driver sof_sdw_driver = {
2000 	.driver = {
2001 		.name = "sof_sdw",
2002 		.pm = &snd_soc_pm_ops,
2003 	},
2004 	.probe = mc_probe,
2005 	.remove_new = mc_remove,
2006 	.id_table = mc_id_table,
2007 };
2008 
2009 module_platform_driver(sof_sdw_driver);
2010 
2011 MODULE_DESCRIPTION("ASoC SoundWire Generic Machine driver");
2012 MODULE_AUTHOR("Bard Liao <yung-chuan.liao@linux.intel.com>");
2013 MODULE_AUTHOR("Rander Wang <rander.wang@linux.intel.com>");
2014 MODULE_AUTHOR("Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>");
2015 MODULE_LICENSE("GPL v2");
2016 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
2017 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
2018