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1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2019 Jaroslav Kysela <perex@perex.cz>
3
4#include <linux/acpi.h>
5#include <linux/bits.h>
6#include <linux/dmi.h>
7#include <linux/module.h>
8#include <linux/pci.h>
9#include <linux/soundwire/sdw.h>
10#include <linux/soundwire/sdw_intel.h>
11#include <sound/core.h>
12#include <sound/intel-dsp-config.h>
13#include <sound/intel-nhlt.h>
14#include <sound/soc-acpi.h>
15
16static int dsp_driver;
17
18module_param(dsp_driver, int, 0444);
19MODULE_PARM_DESC(dsp_driver, "Force the DSP driver for Intel DSP (0=auto, 1=legacy, 2=SST, 3=SOF)");
20
21#define FLAG_SST BIT(0)
22#define FLAG_SOF BIT(1)
23#define FLAG_SST_ONLY_IF_DMIC BIT(15)
24#define FLAG_SOF_ONLY_IF_DMIC BIT(16)
25#define FLAG_SOF_ONLY_IF_SOUNDWIRE BIT(17)
26
27#define FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE (FLAG_SOF_ONLY_IF_DMIC | \
28 FLAG_SOF_ONLY_IF_SOUNDWIRE)
29
30struct config_entry {
31 u32 flags;
32 u16 device;
33 u8 acpi_hid[ACPI_ID_LEN];
34 const struct dmi_system_id *dmi_table;
35 const struct snd_soc_acpi_codecs *codec_hid;
36};
37
38static const struct snd_soc_acpi_codecs __maybe_unused essx_83x6 = {
39 .num_codecs = 3,
40 .codecs = { "ESSX8316", "ESSX8326", "ESSX8336"},
41};
42
43/*
44 * configuration table
45 * - the order of similar PCI ID entries is important!
46 * - the first successful match will win
47 */
48static const struct config_entry config_table[] = {
49/* Merrifield */
50#if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
51 {
52 .flags = FLAG_SOF,
53 .device = PCI_DEVICE_ID_INTEL_SST_TNG,
54 },
55#endif
56/*
57 * Apollolake (Broxton-P)
58 * the legacy HDAudio driver is used except on Up Squared (SOF) and
59 * Chromebooks (SST), as well as devices based on the ES8336 codec
60 */
61#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
62 {
63 .flags = FLAG_SOF,
64 .device = PCI_DEVICE_ID_INTEL_HDA_APL,
65 .dmi_table = (const struct dmi_system_id []) {
66 {
67 .ident = "Up Squared",
68 .matches = {
69 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
70 DMI_MATCH(DMI_BOARD_NAME, "UP-APL01"),
71 }
72 },
73 {}
74 }
75 },
76 {
77 .flags = FLAG_SOF,
78 .device = PCI_DEVICE_ID_INTEL_HDA_APL,
79 .codec_hid = &essx_83x6,
80 },
81#endif
82#if IS_ENABLED(CONFIG_SND_SOC_INTEL_APL)
83 {
84 .flags = FLAG_SST,
85 .device = PCI_DEVICE_ID_INTEL_HDA_APL,
86 .dmi_table = (const struct dmi_system_id []) {
87 {
88 .ident = "Google Chromebooks",
89 .matches = {
90 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
91 }
92 },
93 {}
94 }
95 },
96#endif
97/*
98 * Skylake and Kabylake use legacy HDAudio driver except for Google
99 * Chromebooks (SST)
100 */
101
102/* Sunrise Point-LP */
103#if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKL)
104 {
105 .flags = FLAG_SST,
106 .device = PCI_DEVICE_ID_INTEL_HDA_SKL_LP,
107 .dmi_table = (const struct dmi_system_id []) {
108 {
109 .ident = "Google Chromebooks",
110 .matches = {
111 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
112 }
113 },
114 {}
115 }
116 },
117 {
118 .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
119 .device = PCI_DEVICE_ID_INTEL_HDA_SKL_LP,
120 },
121#endif
122/* Kabylake-LP */
123#if IS_ENABLED(CONFIG_SND_SOC_INTEL_KBL)
124 {
125 .flags = FLAG_SST,
126 .device = PCI_DEVICE_ID_INTEL_HDA_KBL_LP,
127 .dmi_table = (const struct dmi_system_id []) {
128 {
129 .ident = "Google Chromebooks",
130 .matches = {
131 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
132 }
133 },
134 {}
135 }
136 },
137 {
138 .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
139 .device = PCI_DEVICE_ID_INTEL_HDA_KBL_LP,
140 },
141#endif
142
143/*
144 * Geminilake uses legacy HDAudio driver except for Google
145 * Chromebooks and devices based on the ES8336 codec
146 */
147/* Geminilake */
148#if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
149 {
150 .flags = FLAG_SOF,
151 .device = PCI_DEVICE_ID_INTEL_HDA_GML,
152 .dmi_table = (const struct dmi_system_id []) {
153 {
154 .ident = "Google Chromebooks",
155 .matches = {
156 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
157 }
158 },
159 {}
160 }
161 },
162 {
163 .flags = FLAG_SOF,
164 .device = PCI_DEVICE_ID_INTEL_HDA_GML,
165 .codec_hid = &essx_83x6,
166 },
167#endif
168
169/*
170 * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake, AlderLake,
171 * RaptorLake use legacy HDAudio driver except for Google Chromebooks
172 * and when DMICs are present. Two cases are required since Coreboot
173 * does not expose NHLT tables.
174 *
175 * When the Chromebook quirk is not present, it's based on information
176 * that no such device exists. When the quirk is present, it could be
177 * either based on product information or a placeholder.
178 */
179
180/* Cannonlake */
181#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
182 {
183 .flags = FLAG_SOF,
184 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP,
185 .dmi_table = (const struct dmi_system_id []) {
186 {
187 .ident = "Google Chromebooks",
188 .matches = {
189 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
190 }
191 },
192 {
193 .ident = "UP-WHL",
194 .matches = {
195 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
196 }
197 },
198 {}
199 }
200 },
201 {
202 .flags = FLAG_SOF,
203 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP,
204 .codec_hid = &essx_83x6,
205 },
206 {
207 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
208 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_LP,
209 },
210#endif
211
212/* Coffelake */
213#if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
214 {
215 .flags = FLAG_SOF,
216 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_H,
217 .dmi_table = (const struct dmi_system_id []) {
218 {
219 .ident = "Google Chromebooks",
220 .matches = {
221 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
222 }
223 },
224 {}
225 }
226 },
227 {
228 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
229 .device = PCI_DEVICE_ID_INTEL_HDA_CNL_H,
230 },
231#endif
232
233#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE)
234/* Cometlake-LP */
235 {
236 .flags = FLAG_SOF,
237 .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP,
238 .dmi_table = (const struct dmi_system_id []) {
239 {
240 .ident = "Google Chromebooks",
241 .matches = {
242 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
243 }
244 },
245 {
246 .matches = {
247 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
248 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6")
249 },
250 },
251 {
252 /* early version of SKU 09C6 */
253 .matches = {
254 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
255 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983")
256 },
257 },
258 {}
259 }
260 },
261 {
262 .flags = FLAG_SOF,
263 .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP,
264 .codec_hid = &essx_83x6,
265 },
266 {
267 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
268 .device = PCI_DEVICE_ID_INTEL_HDA_CML_LP,
269 },
270/* Cometlake-H */
271 {
272 .flags = FLAG_SOF,
273 .device = PCI_DEVICE_ID_INTEL_HDA_CML_H,
274 .dmi_table = (const struct dmi_system_id []) {
275 {
276 .matches = {
277 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
278 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"),
279 },
280 },
281 {
282 .matches = {
283 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
284 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"),
285 },
286 },
287 {}
288 }
289 },
290 {
291 .flags = FLAG_SOF,
292 .device = PCI_DEVICE_ID_INTEL_HDA_CML_H,
293 .codec_hid = &essx_83x6,
294 },
295 {
296 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
297 .device = PCI_DEVICE_ID_INTEL_HDA_CML_H,
298 },
299#endif
300
301/* Icelake */
302#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
303 {
304 .flags = FLAG_SOF,
305 .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP,
306 .dmi_table = (const struct dmi_system_id []) {
307 {
308 .ident = "Google Chromebooks",
309 .matches = {
310 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
311 }
312 },
313 {}
314 }
315 },
316 {
317 .flags = FLAG_SOF,
318 .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP,
319 .codec_hid = &essx_83x6,
320 },
321 {
322 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
323 .device = PCI_DEVICE_ID_INTEL_HDA_ICL_LP,
324 },
325#endif
326
327/* Jasper Lake */
328#if IS_ENABLED(CONFIG_SND_SOC_SOF_JASPERLAKE)
329 {
330 .flags = FLAG_SOF,
331 .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N,
332 .dmi_table = (const struct dmi_system_id []) {
333 {
334 .ident = "Google Chromebooks",
335 .matches = {
336 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
337 }
338 },
339 {
340 .ident = "Google firmware",
341 .matches = {
342 DMI_MATCH(DMI_BIOS_VERSION, "Google"),
343 }
344 },
345 {}
346 }
347 },
348 {
349 .flags = FLAG_SOF,
350 .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N,
351 .codec_hid = &essx_83x6,
352 },
353 {
354 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
355 .device = PCI_DEVICE_ID_INTEL_HDA_JSL_N,
356 },
357#endif
358
359/* Tigerlake */
360#if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
361 {
362 .flags = FLAG_SOF,
363 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP,
364 .dmi_table = (const struct dmi_system_id []) {
365 {
366 .ident = "Google Chromebooks",
367 .matches = {
368 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
369 }
370 },
371 {
372 .ident = "UPX-TGL",
373 .matches = {
374 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
375 }
376 },
377 {}
378 }
379 },
380 {
381 .flags = FLAG_SOF,
382 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP,
383 .codec_hid = &essx_83x6,
384 },
385 {
386 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
387 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_LP,
388 },
389 {
390 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
391 .device = PCI_DEVICE_ID_INTEL_HDA_TGL_H,
392 },
393#endif
394
395/* Elkhart Lake */
396#if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
397 {
398 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
399 .device = PCI_DEVICE_ID_INTEL_HDA_EHL_0,
400 },
401 {
402 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
403 .device = PCI_DEVICE_ID_INTEL_HDA_EHL_3,
404 },
405#endif
406
407/* Alder Lake / Raptor Lake */
408#if IS_ENABLED(CONFIG_SND_SOC_SOF_ALDERLAKE)
409 {
410 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
411 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_S,
412 },
413 {
414 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
415 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_S,
416 },
417 {
418 .flags = FLAG_SOF,
419 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P,
420 .dmi_table = (const struct dmi_system_id []) {
421 {
422 .ident = "Google Chromebooks",
423 .matches = {
424 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
425 }
426 },
427 {}
428 }
429 },
430 {
431 .flags = FLAG_SOF,
432 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P,
433 .codec_hid = &essx_83x6,
434 },
435 {
436 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
437 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_P,
438 },
439 {
440 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
441 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PX,
442 },
443 {
444 .flags = FLAG_SOF,
445 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PS,
446 .codec_hid = &essx_83x6,
447 },
448 {
449 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
450 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_PS,
451 },
452 {
453 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
454 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_M,
455 },
456 {
457 .flags = FLAG_SOF,
458 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_N,
459 .dmi_table = (const struct dmi_system_id []) {
460 {
461 .ident = "Google Chromebooks",
462 .matches = {
463 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
464 }
465 },
466 {}
467 }
468 },
469 {
470 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
471 .device = PCI_DEVICE_ID_INTEL_HDA_ADL_N,
472 },
473 {
474 .flags = FLAG_SOF,
475 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_0,
476 .dmi_table = (const struct dmi_system_id []) {
477 {
478 .ident = "Google Chromebooks",
479 .matches = {
480 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
481 }
482 },
483 {}
484 }
485 },
486 {
487 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
488 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_0,
489 },
490 {
491 .flags = FLAG_SOF,
492 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_1,
493 .dmi_table = (const struct dmi_system_id []) {
494 {
495 .ident = "Google Chromebooks",
496 .matches = {
497 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
498 }
499 },
500 {}
501 }
502 },
503 {
504 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
505 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_P_1,
506 },
507 {
508 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
509 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_M,
510 },
511 {
512 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
513 .device = PCI_DEVICE_ID_INTEL_HDA_RPL_PX,
514 },
515#endif
516
517/* Meteor Lake */
518#if IS_ENABLED(CONFIG_SND_SOC_SOF_METEORLAKE)
519 /* Meteorlake-P */
520 {
521 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
522 .device = PCI_DEVICE_ID_INTEL_HDA_MTL,
523 },
524 /* ArrowLake-S */
525 {
526 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
527 .device = PCI_DEVICE_ID_INTEL_HDA_ARL_S,
528 },
529 /* ArrowLake */
530 {
531 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
532 .device = PCI_DEVICE_ID_INTEL_HDA_ARL,
533 },
534#endif
535
536/* Lunar Lake */
537#if IS_ENABLED(CONFIG_SND_SOC_SOF_LUNARLAKE)
538 /* Lunarlake-P */
539 {
540 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
541 .device = PCI_DEVICE_ID_INTEL_HDA_LNL_P,
542 },
543#endif
544};
545
546static const struct config_entry *snd_intel_dsp_find_config
547 (struct pci_dev *pci, const struct config_entry *table, u32 len)
548{
549 u16 device;
550
551 device = pci->device;
552 for (; len > 0; len--, table++) {
553 if (table->device != device)
554 continue;
555 if (table->dmi_table && !dmi_check_system(table->dmi_table))
556 continue;
557 if (table->codec_hid) {
558 int i;
559
560 for (i = 0; i < table->codec_hid->num_codecs; i++) {
561 struct nhlt_acpi_table *nhlt;
562 bool ssp_found = false;
563
564 if (!acpi_dev_present(table->codec_hid->codecs[i], NULL, -1))
565 continue;
566
567 nhlt = intel_nhlt_init(&pci->dev);
568 if (!nhlt) {
569 dev_warn(&pci->dev, "%s: NHLT table not found, skipped HID %s\n",
570 __func__, table->codec_hid->codecs[i]);
571 continue;
572 }
573
574 if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_SSP) &&
575 intel_nhlt_ssp_endpoint_mask(nhlt, NHLT_DEVICE_I2S))
576 ssp_found = true;
577
578 intel_nhlt_free(nhlt);
579
580 if (ssp_found)
581 break;
582
583 dev_warn(&pci->dev, "%s: no valid SSP found for HID %s, skipped\n",
584 __func__, table->codec_hid->codecs[i]);
585 }
586 if (i == table->codec_hid->num_codecs)
587 continue;
588 }
589 return table;
590 }
591 return NULL;
592}
593
594static int snd_intel_dsp_check_dmic(struct pci_dev *pci)
595{
596 struct nhlt_acpi_table *nhlt;
597 int ret = 0;
598
599 nhlt = intel_nhlt_init(&pci->dev);
600 if (nhlt) {
601 if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_DMIC))
602 ret = 1;
603 intel_nhlt_free(nhlt);
604 }
605 return ret;
606}
607
608#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
609static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
610{
611 struct sdw_intel_acpi_info info;
612 acpi_handle handle;
613 int ret;
614
615 handle = ACPI_HANDLE(&pci->dev);
616
617 ret = sdw_intel_acpi_scan(handle, &info);
618 if (ret < 0)
619 return ret;
620
621 return info.link_mask;
622}
623#else
624static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
625{
626 return 0;
627}
628#endif
629
630int snd_intel_dsp_driver_probe(struct pci_dev *pci)
631{
632 const struct config_entry *cfg;
633
634 /* Intel vendor only */
635 if (pci->vendor != PCI_VENDOR_ID_INTEL)
636 return SND_INTEL_DSP_DRIVER_ANY;
637
638 /*
639 * Legacy devices don't have a PCI-based DSP and use HDaudio
640 * for HDMI/DP support, ignore kernel parameter
641 */
642 switch (pci->device) {
643 case PCI_DEVICE_ID_INTEL_HDA_BDW:
644 case PCI_DEVICE_ID_INTEL_HDA_HSW_0:
645 case PCI_DEVICE_ID_INTEL_HDA_HSW_2:
646 case PCI_DEVICE_ID_INTEL_HDA_HSW_3:
647 case PCI_DEVICE_ID_INTEL_HDA_BYT:
648 case PCI_DEVICE_ID_INTEL_HDA_BSW:
649 return SND_INTEL_DSP_DRIVER_ANY;
650 }
651
652 if (dsp_driver > 0 && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
653 return dsp_driver;
654
655 /*
656 * detect DSP by checking class/subclass/prog-id information
657 * class=04 subclass 03 prog-if 00: no DSP, use legacy driver
658 * class=04 subclass 01 prog-if 00: DSP is present
659 * (and may be required e.g. for DMIC or SSP support)
660 * class=04 subclass 03 prog-if 80: use DSP or legacy mode
661 */
662 if (pci->class == 0x040300)
663 return SND_INTEL_DSP_DRIVER_LEGACY;
664 if (pci->class != 0x040100 && pci->class != 0x040380) {
665 dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDAudio legacy driver\n", pci->class);
666 return SND_INTEL_DSP_DRIVER_LEGACY;
667 }
668
669 dev_info(&pci->dev, "DSP detected with PCI class/subclass/prog-if info 0x%06x\n", pci->class);
670
671 /* find the configuration for the specific device */
672 cfg = snd_intel_dsp_find_config(pci, config_table, ARRAY_SIZE(config_table));
673 if (!cfg)
674 return SND_INTEL_DSP_DRIVER_ANY;
675
676 if (cfg->flags & FLAG_SOF) {
677 if (cfg->flags & FLAG_SOF_ONLY_IF_SOUNDWIRE &&
678 snd_intel_dsp_check_soundwire(pci) > 0) {
679 dev_info(&pci->dev, "SoundWire enabled on CannonLake+ platform, using SOF driver\n");
680 return SND_INTEL_DSP_DRIVER_SOF;
681 }
682 if (cfg->flags & FLAG_SOF_ONLY_IF_DMIC &&
683 snd_intel_dsp_check_dmic(pci)) {
684 dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SOF driver\n");
685 return SND_INTEL_DSP_DRIVER_SOF;
686 }
687 if (!(cfg->flags & FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE))
688 return SND_INTEL_DSP_DRIVER_SOF;
689 }
690
691
692 if (cfg->flags & FLAG_SST) {
693 if (cfg->flags & FLAG_SST_ONLY_IF_DMIC) {
694 if (snd_intel_dsp_check_dmic(pci)) {
695 dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SST driver\n");
696 return SND_INTEL_DSP_DRIVER_SST;
697 }
698 } else {
699 return SND_INTEL_DSP_DRIVER_SST;
700 }
701 }
702
703 return SND_INTEL_DSP_DRIVER_LEGACY;
704}
705EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe);
706
707/* Should we default to SOF or SST for BYT/CHT ? */
708#if IS_ENABLED(CONFIG_SND_INTEL_BYT_PREFER_SOF) || \
709 !IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI)
710#define FLAG_SST_OR_SOF_BYT FLAG_SOF
711#else
712#define FLAG_SST_OR_SOF_BYT FLAG_SST
713#endif
714
715/*
716 * configuration table
717 * - the order of similar ACPI ID entries is important!
718 * - the first successful match will win
719 */
720static const struct config_entry acpi_config_table[] = {
721#if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) || \
722 IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
723/* BayTrail */
724 {
725 .flags = FLAG_SST_OR_SOF_BYT,
726 .acpi_hid = "80860F28",
727 },
728/* CherryTrail */
729 {
730 .flags = FLAG_SST_OR_SOF_BYT,
731 .acpi_hid = "808622A8",
732 },
733#endif
734/* Broadwell */
735#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
736 {
737 .flags = FLAG_SST,
738 .acpi_hid = "INT3438"
739 },
740#endif
741#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
742 {
743 .flags = FLAG_SOF,
744 .acpi_hid = "INT3438"
745 },
746#endif
747/* Haswell - not supported by SOF but added for consistency */
748#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
749 {
750 .flags = FLAG_SST,
751 .acpi_hid = "INT33C8"
752 },
753#endif
754};
755
756static const struct config_entry *snd_intel_acpi_dsp_find_config(const u8 acpi_hid[ACPI_ID_LEN],
757 const struct config_entry *table,
758 u32 len)
759{
760 for (; len > 0; len--, table++) {
761 if (memcmp(table->acpi_hid, acpi_hid, ACPI_ID_LEN))
762 continue;
763 if (table->dmi_table && !dmi_check_system(table->dmi_table))
764 continue;
765 return table;
766 }
767 return NULL;
768}
769
770int snd_intel_acpi_dsp_driver_probe(struct device *dev, const u8 acpi_hid[ACPI_ID_LEN])
771{
772 const struct config_entry *cfg;
773
774 if (dsp_driver > SND_INTEL_DSP_DRIVER_LEGACY && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
775 return dsp_driver;
776
777 if (dsp_driver == SND_INTEL_DSP_DRIVER_LEGACY) {
778 dev_warn(dev, "dsp_driver parameter %d not supported, using automatic detection\n",
779 SND_INTEL_DSP_DRIVER_LEGACY);
780 }
781
782 /* find the configuration for the specific device */
783 cfg = snd_intel_acpi_dsp_find_config(acpi_hid, acpi_config_table,
784 ARRAY_SIZE(acpi_config_table));
785 if (!cfg)
786 return SND_INTEL_DSP_DRIVER_ANY;
787
788 if (cfg->flags & FLAG_SST)
789 return SND_INTEL_DSP_DRIVER_SST;
790
791 if (cfg->flags & FLAG_SOF)
792 return SND_INTEL_DSP_DRIVER_SOF;
793
794 return SND_INTEL_DSP_DRIVER_SST;
795}
796EXPORT_SYMBOL_GPL(snd_intel_acpi_dsp_driver_probe);
797
798MODULE_LICENSE("GPL v2");
799MODULE_DESCRIPTION("Intel DSP config driver");
800MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);
1// SPDX-License-Identifier: GPL-2.0
2// Copyright (c) 2019 Jaroslav Kysela <perex@perex.cz>
3
4#include <linux/acpi.h>
5#include <linux/bits.h>
6#include <linux/dmi.h>
7#include <linux/module.h>
8#include <linux/pci.h>
9#include <linux/soundwire/sdw.h>
10#include <linux/soundwire/sdw_intel.h>
11#include <sound/core.h>
12#include <sound/intel-dsp-config.h>
13#include <sound/intel-nhlt.h>
14#include <sound/soc-acpi.h>
15
16static int dsp_driver;
17
18module_param(dsp_driver, int, 0444);
19MODULE_PARM_DESC(dsp_driver, "Force the DSP driver for Intel DSP (0=auto, 1=legacy, 2=SST, 3=SOF)");
20
21#define FLAG_SST BIT(0)
22#define FLAG_SOF BIT(1)
23#define FLAG_SST_ONLY_IF_DMIC BIT(15)
24#define FLAG_SOF_ONLY_IF_DMIC BIT(16)
25#define FLAG_SOF_ONLY_IF_SOUNDWIRE BIT(17)
26
27#define FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE (FLAG_SOF_ONLY_IF_DMIC | \
28 FLAG_SOF_ONLY_IF_SOUNDWIRE)
29
30struct config_entry {
31 u32 flags;
32 u16 device;
33 u8 acpi_hid[ACPI_ID_LEN];
34 const struct dmi_system_id *dmi_table;
35 const struct snd_soc_acpi_codecs *codec_hid;
36};
37
38static const struct snd_soc_acpi_codecs __maybe_unused essx_83x6 = {
39 .num_codecs = 3,
40 .codecs = { "ESSX8316", "ESSX8326", "ESSX8336"},
41};
42
43/*
44 * configuration table
45 * - the order of similar PCI ID entries is important!
46 * - the first successful match will win
47 */
48static const struct config_entry config_table[] = {
49/* Merrifield */
50#if IS_ENABLED(CONFIG_SND_SOC_SOF_MERRIFIELD)
51 {
52 .flags = FLAG_SOF,
53 .device = 0x119a,
54 },
55#endif
56/* Broxton-T */
57#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
58 {
59 .flags = FLAG_SOF,
60 .device = 0x1a98,
61 },
62#endif
63/*
64 * Apollolake (Broxton-P)
65 * the legacy HDAudio driver is used except on Up Squared (SOF) and
66 * Chromebooks (SST), as well as devices based on the ES8336 codec
67 */
68#if IS_ENABLED(CONFIG_SND_SOC_SOF_APOLLOLAKE)
69 {
70 .flags = FLAG_SOF,
71 .device = 0x5a98,
72 .dmi_table = (const struct dmi_system_id []) {
73 {
74 .ident = "Up Squared",
75 .matches = {
76 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
77 DMI_MATCH(DMI_BOARD_NAME, "UP-APL01"),
78 }
79 },
80 {}
81 }
82 },
83 {
84 .flags = FLAG_SOF,
85 .device = 0x5a98,
86 .codec_hid = &essx_83x6,
87 },
88#endif
89#if IS_ENABLED(CONFIG_SND_SOC_INTEL_APL)
90 {
91 .flags = FLAG_SST,
92 .device = 0x5a98,
93 .dmi_table = (const struct dmi_system_id []) {
94 {
95 .ident = "Google Chromebooks",
96 .matches = {
97 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
98 }
99 },
100 {}
101 }
102 },
103#endif
104/*
105 * Skylake and Kabylake use legacy HDAudio driver except for Google
106 * Chromebooks (SST)
107 */
108
109/* Sunrise Point-LP */
110#if IS_ENABLED(CONFIG_SND_SOC_INTEL_SKL)
111 {
112 .flags = FLAG_SST,
113 .device = 0x9d70,
114 .dmi_table = (const struct dmi_system_id []) {
115 {
116 .ident = "Google Chromebooks",
117 .matches = {
118 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
119 }
120 },
121 {}
122 }
123 },
124 {
125 .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
126 .device = 0x9d70,
127 },
128#endif
129/* Kabylake-LP */
130#if IS_ENABLED(CONFIG_SND_SOC_INTEL_KBL)
131 {
132 .flags = FLAG_SST,
133 .device = 0x9d71,
134 .dmi_table = (const struct dmi_system_id []) {
135 {
136 .ident = "Google Chromebooks",
137 .matches = {
138 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
139 }
140 },
141 {}
142 }
143 },
144 {
145 .flags = FLAG_SST | FLAG_SST_ONLY_IF_DMIC,
146 .device = 0x9d71,
147 },
148#endif
149
150/*
151 * Geminilake uses legacy HDAudio driver except for Google
152 * Chromebooks and devices based on the ES8336 codec
153 */
154/* Geminilake */
155#if IS_ENABLED(CONFIG_SND_SOC_SOF_GEMINILAKE)
156 {
157 .flags = FLAG_SOF,
158 .device = 0x3198,
159 .dmi_table = (const struct dmi_system_id []) {
160 {
161 .ident = "Google Chromebooks",
162 .matches = {
163 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
164 }
165 },
166 {}
167 }
168 },
169 {
170 .flags = FLAG_SOF,
171 .device = 0x3198,
172 .codec_hid = &essx_83x6,
173 },
174#endif
175
176/*
177 * CoffeeLake, CannonLake, CometLake, IceLake, TigerLake use legacy
178 * HDAudio driver except for Google Chromebooks and when DMICs are
179 * present. Two cases are required since Coreboot does not expose NHLT
180 * tables.
181 *
182 * When the Chromebook quirk is not present, it's based on information
183 * that no such device exists. When the quirk is present, it could be
184 * either based on product information or a placeholder.
185 */
186
187/* Cannonlake */
188#if IS_ENABLED(CONFIG_SND_SOC_SOF_CANNONLAKE)
189 {
190 .flags = FLAG_SOF,
191 .device = 0x9dc8,
192 .dmi_table = (const struct dmi_system_id []) {
193 {
194 .ident = "Google Chromebooks",
195 .matches = {
196 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
197 }
198 },
199 {
200 .ident = "UP-WHL",
201 .matches = {
202 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
203 }
204 },
205 {}
206 }
207 },
208 {
209 .flags = FLAG_SOF,
210 .device = 0x09dc8,
211 .codec_hid = &essx_83x6,
212 },
213 {
214 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
215 .device = 0x9dc8,
216 },
217#endif
218
219/* Coffelake */
220#if IS_ENABLED(CONFIG_SND_SOC_SOF_COFFEELAKE)
221 {
222 .flags = FLAG_SOF,
223 .device = 0xa348,
224 .dmi_table = (const struct dmi_system_id []) {
225 {
226 .ident = "Google Chromebooks",
227 .matches = {
228 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
229 }
230 },
231 {}
232 }
233 },
234 {
235 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
236 .device = 0xa348,
237 },
238#endif
239
240#if IS_ENABLED(CONFIG_SND_SOC_SOF_COMETLAKE)
241/* Cometlake-LP */
242 {
243 .flags = FLAG_SOF,
244 .device = 0x02c8,
245 .dmi_table = (const struct dmi_system_id []) {
246 {
247 .ident = "Google Chromebooks",
248 .matches = {
249 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
250 }
251 },
252 {
253 .matches = {
254 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
255 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "09C6")
256 },
257 },
258 {
259 /* early version of SKU 09C6 */
260 .matches = {
261 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
262 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0983")
263 },
264 },
265 {}
266 }
267 },
268 {
269 .flags = FLAG_SOF,
270 .device = 0x02c8,
271 .codec_hid = &essx_83x6,
272 },
273 {
274 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
275 .device = 0x02c8,
276 },
277/* Cometlake-H */
278 {
279 .flags = FLAG_SOF,
280 .device = 0x06c8,
281 .dmi_table = (const struct dmi_system_id []) {
282 {
283 .matches = {
284 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
285 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "098F"),
286 },
287 },
288 {
289 .matches = {
290 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc"),
291 DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "0990"),
292 },
293 },
294 {}
295 }
296 },
297 {
298 .flags = FLAG_SOF,
299 .device = 0x06c8,
300 .codec_hid = &essx_83x6,
301 },
302 {
303 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
304 .device = 0x06c8,
305 },
306#endif
307
308/* Icelake */
309#if IS_ENABLED(CONFIG_SND_SOC_SOF_ICELAKE)
310 {
311 .flags = FLAG_SOF,
312 .device = 0x34c8,
313 .dmi_table = (const struct dmi_system_id []) {
314 {
315 .ident = "Google Chromebooks",
316 .matches = {
317 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
318 }
319 },
320 {}
321 }
322 },
323 {
324 .flags = FLAG_SOF,
325 .device = 0x34c8,
326 .codec_hid = &essx_83x6,
327 },
328 {
329 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
330 .device = 0x34c8,
331 },
332#endif
333
334/* Jasper Lake */
335#if IS_ENABLED(CONFIG_SND_SOC_SOF_JASPERLAKE)
336 {
337 .flags = FLAG_SOF,
338 .device = 0x4dc8,
339 .dmi_table = (const struct dmi_system_id []) {
340 {
341 .ident = "Google Chromebooks",
342 .matches = {
343 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
344 }
345 },
346 {}
347 }
348 },
349 {
350 .flags = FLAG_SOF,
351 .device = 0x4dc8,
352 .codec_hid = &essx_83x6,
353 },
354 {
355 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
356 .device = 0x4dc8,
357 },
358#endif
359
360/* Tigerlake */
361#if IS_ENABLED(CONFIG_SND_SOC_SOF_TIGERLAKE)
362 {
363 .flags = FLAG_SOF,
364 .device = 0xa0c8,
365 .dmi_table = (const struct dmi_system_id []) {
366 {
367 .ident = "Google Chromebooks",
368 .matches = {
369 DMI_MATCH(DMI_SYS_VENDOR, "Google"),
370 }
371 },
372 {
373 .ident = "UPX-TGL",
374 .matches = {
375 DMI_MATCH(DMI_SYS_VENDOR, "AAEON"),
376 }
377 },
378 {}
379 }
380 },
381 {
382 .flags = FLAG_SOF,
383 .device = 0xa0c8,
384 .codec_hid = &essx_83x6,
385 },
386 {
387 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
388 .device = 0xa0c8,
389 },
390 {
391 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
392 .device = 0x43c8,
393 },
394#endif
395
396/* Elkhart Lake */
397#if IS_ENABLED(CONFIG_SND_SOC_SOF_ELKHARTLAKE)
398 {
399 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
400 .device = 0x4b55,
401 },
402 {
403 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC,
404 .device = 0x4b58,
405 },
406#endif
407
408/* Alder Lake */
409#if IS_ENABLED(CONFIG_SND_SOC_SOF_ALDERLAKE)
410 /* Alderlake-S */
411 {
412 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
413 .device = 0x7ad0,
414 },
415 /* RaptorLake-S */
416 {
417 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
418 .device = 0x7a50,
419 },
420 /* Alderlake-P */
421 {
422 .flags = FLAG_SOF,
423 .device = 0x51c8,
424 .codec_hid = &essx_83x6,
425 },
426 {
427 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
428 .device = 0x51c8,
429 },
430 {
431 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
432 .device = 0x51cd,
433 },
434 /* Alderlake-PS */
435 {
436 .flags = FLAG_SOF,
437 .device = 0x51c9,
438 .codec_hid = &essx_83x6,
439 },
440 {
441 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
442 .device = 0x51c9,
443 },
444 /* Alderlake-M */
445 {
446 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
447 .device = 0x51cc,
448 },
449 /* Alderlake-N */
450 {
451 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
452 .device = 0x54c8,
453 },
454 /* RaptorLake-P */
455 {
456 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
457 .device = 0x51ca,
458 },
459 {
460 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
461 .device = 0x51cb,
462 },
463 /* RaptorLake-M */
464 {
465 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
466 .device = 0x51ce,
467 },
468 /* RaptorLake-PX */
469 {
470 .flags = FLAG_SOF | FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE,
471 .device = 0x51cf,
472 },
473#endif
474
475};
476
477static const struct config_entry *snd_intel_dsp_find_config
478 (struct pci_dev *pci, const struct config_entry *table, u32 len)
479{
480 u16 device;
481
482 device = pci->device;
483 for (; len > 0; len--, table++) {
484 if (table->device != device)
485 continue;
486 if (table->dmi_table && !dmi_check_system(table->dmi_table))
487 continue;
488 if (table->codec_hid) {
489 int i;
490
491 for (i = 0; i < table->codec_hid->num_codecs; i++)
492 if (acpi_dev_present(table->codec_hid->codecs[i], NULL, -1))
493 break;
494 if (i == table->codec_hid->num_codecs)
495 continue;
496 }
497 return table;
498 }
499 return NULL;
500}
501
502static int snd_intel_dsp_check_dmic(struct pci_dev *pci)
503{
504 struct nhlt_acpi_table *nhlt;
505 int ret = 0;
506
507 nhlt = intel_nhlt_init(&pci->dev);
508 if (nhlt) {
509 if (intel_nhlt_has_endpoint_type(nhlt, NHLT_LINK_DMIC))
510 ret = 1;
511 intel_nhlt_free(nhlt);
512 }
513 return ret;
514}
515
516#if IS_ENABLED(CONFIG_SND_SOC_SOF_INTEL_SOUNDWIRE)
517static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
518{
519 struct sdw_intel_acpi_info info;
520 acpi_handle handle;
521 int ret;
522
523 handle = ACPI_HANDLE(&pci->dev);
524
525 ret = sdw_intel_acpi_scan(handle, &info);
526 if (ret < 0)
527 return ret;
528
529 return info.link_mask;
530}
531#else
532static int snd_intel_dsp_check_soundwire(struct pci_dev *pci)
533{
534 return 0;
535}
536#endif
537
538int snd_intel_dsp_driver_probe(struct pci_dev *pci)
539{
540 const struct config_entry *cfg;
541
542 /* Intel vendor only */
543 if (pci->vendor != 0x8086)
544 return SND_INTEL_DSP_DRIVER_ANY;
545
546 /*
547 * Legacy devices don't have a PCI-based DSP and use HDaudio
548 * for HDMI/DP support, ignore kernel parameter
549 */
550 switch (pci->device) {
551 case 0x160c: /* Broadwell */
552 case 0x0a0c: /* Haswell */
553 case 0x0c0c:
554 case 0x0d0c:
555 case 0x0f04: /* Baytrail */
556 case 0x2284: /* Braswell */
557 return SND_INTEL_DSP_DRIVER_ANY;
558 }
559
560 if (dsp_driver > 0 && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
561 return dsp_driver;
562
563 /*
564 * detect DSP by checking class/subclass/prog-id information
565 * class=04 subclass 03 prog-if 00: no DSP, use legacy driver
566 * class=04 subclass 01 prog-if 00: DSP is present
567 * (and may be required e.g. for DMIC or SSP support)
568 * class=04 subclass 03 prog-if 80: use DSP or legacy mode
569 */
570 if (pci->class == 0x040300)
571 return SND_INTEL_DSP_DRIVER_LEGACY;
572 if (pci->class != 0x040100 && pci->class != 0x040380) {
573 dev_err(&pci->dev, "Unknown PCI class/subclass/prog-if information (0x%06x) found, selecting HDAudio legacy driver\n", pci->class);
574 return SND_INTEL_DSP_DRIVER_LEGACY;
575 }
576
577 dev_info(&pci->dev, "DSP detected with PCI class/subclass/prog-if info 0x%06x\n", pci->class);
578
579 /* find the configuration for the specific device */
580 cfg = snd_intel_dsp_find_config(pci, config_table, ARRAY_SIZE(config_table));
581 if (!cfg)
582 return SND_INTEL_DSP_DRIVER_ANY;
583
584 if (cfg->flags & FLAG_SOF) {
585 if (cfg->flags & FLAG_SOF_ONLY_IF_SOUNDWIRE &&
586 snd_intel_dsp_check_soundwire(pci) > 0) {
587 dev_info(&pci->dev, "SoundWire enabled on CannonLake+ platform, using SOF driver\n");
588 return SND_INTEL_DSP_DRIVER_SOF;
589 }
590 if (cfg->flags & FLAG_SOF_ONLY_IF_DMIC &&
591 snd_intel_dsp_check_dmic(pci)) {
592 dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SOF driver\n");
593 return SND_INTEL_DSP_DRIVER_SOF;
594 }
595 if (!(cfg->flags & FLAG_SOF_ONLY_IF_DMIC_OR_SOUNDWIRE))
596 return SND_INTEL_DSP_DRIVER_SOF;
597 }
598
599
600 if (cfg->flags & FLAG_SST) {
601 if (cfg->flags & FLAG_SST_ONLY_IF_DMIC) {
602 if (snd_intel_dsp_check_dmic(pci)) {
603 dev_info(&pci->dev, "Digital mics found on Skylake+ platform, using SST driver\n");
604 return SND_INTEL_DSP_DRIVER_SST;
605 }
606 } else {
607 return SND_INTEL_DSP_DRIVER_SST;
608 }
609 }
610
611 return SND_INTEL_DSP_DRIVER_LEGACY;
612}
613EXPORT_SYMBOL_GPL(snd_intel_dsp_driver_probe);
614
615/* Should we default to SOF or SST for BYT/CHT ? */
616#if IS_ENABLED(CONFIG_SND_INTEL_BYT_PREFER_SOF) || \
617 !IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI)
618#define FLAG_SST_OR_SOF_BYT FLAG_SOF
619#else
620#define FLAG_SST_OR_SOF_BYT FLAG_SST
621#endif
622
623/*
624 * configuration table
625 * - the order of similar ACPI ID entries is important!
626 * - the first successful match will win
627 */
628static const struct config_entry acpi_config_table[] = {
629#if IS_ENABLED(CONFIG_SND_SST_ATOM_HIFI2_PLATFORM_ACPI) || \
630 IS_ENABLED(CONFIG_SND_SOC_SOF_BAYTRAIL)
631/* BayTrail */
632 {
633 .flags = FLAG_SST_OR_SOF_BYT,
634 .acpi_hid = "80860F28",
635 },
636/* CherryTrail */
637 {
638 .flags = FLAG_SST_OR_SOF_BYT,
639 .acpi_hid = "808622A8",
640 },
641#endif
642/* Broadwell */
643#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
644 {
645 .flags = FLAG_SST,
646 .acpi_hid = "INT3438"
647 },
648#endif
649#if IS_ENABLED(CONFIG_SND_SOC_SOF_BROADWELL)
650 {
651 .flags = FLAG_SOF,
652 .acpi_hid = "INT3438"
653 },
654#endif
655/* Haswell - not supported by SOF but added for consistency */
656#if IS_ENABLED(CONFIG_SND_SOC_INTEL_CATPT)
657 {
658 .flags = FLAG_SST,
659 .acpi_hid = "INT33C8"
660 },
661#endif
662};
663
664static const struct config_entry *snd_intel_acpi_dsp_find_config(const u8 acpi_hid[ACPI_ID_LEN],
665 const struct config_entry *table,
666 u32 len)
667{
668 for (; len > 0; len--, table++) {
669 if (memcmp(table->acpi_hid, acpi_hid, ACPI_ID_LEN))
670 continue;
671 if (table->dmi_table && !dmi_check_system(table->dmi_table))
672 continue;
673 return table;
674 }
675 return NULL;
676}
677
678int snd_intel_acpi_dsp_driver_probe(struct device *dev, const u8 acpi_hid[ACPI_ID_LEN])
679{
680 const struct config_entry *cfg;
681
682 if (dsp_driver > SND_INTEL_DSP_DRIVER_LEGACY && dsp_driver <= SND_INTEL_DSP_DRIVER_LAST)
683 return dsp_driver;
684
685 if (dsp_driver == SND_INTEL_DSP_DRIVER_LEGACY) {
686 dev_warn(dev, "dsp_driver parameter %d not supported, using automatic detection\n",
687 SND_INTEL_DSP_DRIVER_LEGACY);
688 }
689
690 /* find the configuration for the specific device */
691 cfg = snd_intel_acpi_dsp_find_config(acpi_hid, acpi_config_table,
692 ARRAY_SIZE(acpi_config_table));
693 if (!cfg)
694 return SND_INTEL_DSP_DRIVER_ANY;
695
696 if (cfg->flags & FLAG_SST)
697 return SND_INTEL_DSP_DRIVER_SST;
698
699 if (cfg->flags & FLAG_SOF)
700 return SND_INTEL_DSP_DRIVER_SOF;
701
702 return SND_INTEL_DSP_DRIVER_SST;
703}
704EXPORT_SYMBOL_GPL(snd_intel_acpi_dsp_driver_probe);
705
706MODULE_LICENSE("GPL v2");
707MODULE_DESCRIPTION("Intel DSP config driver");
708MODULE_IMPORT_NS(SND_INTEL_SOUNDWIRE_ACPI);