1 // SPDX-License-Identifier: GPL-2.0-only
2 //
3 // Copyright(c) 2021-2022 Intel Corporation
4 //
5 // Authors: Cezary Rojewski <cezary.rojewski@intel.com>
6 //          Amadeusz Slawinski <amadeuszx.slawinski@linux.intel.com>
7 //
8 
9 #include <linux/acpi.h>
10 #include <linux/module.h>
11 #include <linux/dmi.h>
12 #include <linux/pci.h>
13 #include <acpi/nhlt.h>
14 #include <linux/platform_device.h>
15 #include <sound/hda_codec.h>
16 #include <sound/hda_register.h>
17 #include <sound/soc-acpi.h>
18 #include <sound/soc-component.h>
19 #include "avs.h"
20 
21 static bool i2s_test;
22 module_param(i2s_test, bool, 0444);
23 MODULE_PARM_DESC(i2s_test, "Probe I2S test-board and skip all other I2S boards");
24 
25 static const struct dmi_system_id kbl_dmi_table[] = {
26 	{
27 		.matches = {
28 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
29 			DMI_MATCH(DMI_BOARD_NAME, "Skylake Y LPDDR3 RVP3"),
30 		},
31 	},
32 	{
33 		.matches = {
34 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
35 			DMI_MATCH(DMI_BOARD_NAME, "AmberLake Y"),
36 		},
37 	},
38 	{}
39 };
40 
41 static const struct dmi_system_id kblr_dmi_table[] = {
42 	{
43 		.matches = {
44 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
45 			DMI_MATCH(DMI_BOARD_NAME, "Kabylake R DDR4 RVP"),
46 		},
47 	},
48 	{}
49 };
50 
dmi_match_quirk(void * arg)51 static struct snd_soc_acpi_mach *dmi_match_quirk(void *arg)
52 {
53 	struct snd_soc_acpi_mach *mach = arg;
54 	const struct dmi_system_id *dmi_id;
55 	struct dmi_system_id *dmi_table;
56 
57 	if (mach->quirk_data == NULL)
58 		return mach;
59 
60 	dmi_table = (struct dmi_system_id *)mach->quirk_data;
61 
62 	dmi_id = dmi_first_match(dmi_table);
63 	if (!dmi_id)
64 		return NULL;
65 
66 	return mach;
67 }
68 
69 #define AVS_SSP(x)		(BIT(x))
70 #define AVS_SSP_RANGE(a, b)	(GENMASK(b, a))
71 
72 /* supported I2S board codec configurations */
73 static struct snd_soc_acpi_mach avs_skl_i2s_machines[] = {
74 	{
75 		.id = "INT343A",
76 		.drv_name = "avs_rt286",
77 		.mach_params = {
78 			.i2s_link_mask = AVS_SSP(0),
79 		},
80 		.tplg_filename = "rt286-tplg.bin",
81 	},
82 	{
83 		.id = "10508825",
84 		.drv_name = "avs_nau8825",
85 		.mach_params = {
86 			.i2s_link_mask = AVS_SSP(1),
87 		},
88 		.tplg_filename = "nau8825-tplg.bin",
89 	},
90 	{
91 		.id = "INT343B",
92 		.drv_name = "avs_ssm4567",
93 		.mach_params = {
94 			.i2s_link_mask = AVS_SSP(0),
95 		},
96 		.tplg_filename = "ssm4567-tplg.bin",
97 	},
98 	{
99 		.id = "MX98357A",
100 		.drv_name = "avs_max98357a",
101 		.mach_params = {
102 			.i2s_link_mask = AVS_SSP(0),
103 		},
104 		.tplg_filename = "max98357a-tplg.bin",
105 	},
106 	{},
107 };
108 
109 static struct snd_soc_acpi_mach avs_kbl_i2s_machines[] = {
110 	{
111 		.id = "INT343A",
112 		.drv_name = "avs_rt286",
113 		.mach_params = {
114 			.i2s_link_mask = AVS_SSP(0),
115 		},
116 		.quirk_data = &kbl_dmi_table,
117 		.machine_quirk = dmi_match_quirk,
118 		.tplg_filename = "rt286-tplg.bin",
119 	},
120 	{
121 		.id = "INT343A",
122 		.drv_name = "avs_rt298",
123 		.mach_params = {
124 			.i2s_link_mask = AVS_SSP(0),
125 		},
126 		.quirk_data = &kblr_dmi_table,
127 		.machine_quirk = dmi_match_quirk,
128 		.tplg_filename = "rt298-tplg.bin",
129 	},
130 	{
131 		.id = "MX98927",
132 		.drv_name = "avs_max98927",
133 		.mach_params = {
134 			.i2s_link_mask = AVS_SSP(0),
135 		},
136 		.tplg_filename = "max98927-tplg.bin",
137 	},
138 	{
139 		.id = "10EC5514",
140 		.drv_name = "avs_rt5514",
141 		.mach_params = {
142 			.i2s_link_mask = AVS_SSP(0),
143 		},
144 		.pdata = (unsigned long[]){ 0x2, 0, 0, 0, 0, 0 }, /* SSP0 TDMs */
145 		.tplg_filename = "rt5514-tplg.bin",
146 	},
147 	{
148 		.id = "10EC5663",
149 		.drv_name = "avs_rt5663",
150 		.mach_params = {
151 			.i2s_link_mask = AVS_SSP(1),
152 		},
153 		.tplg_filename = "rt5663-tplg.bin",
154 	},
155 	{
156 		.id = "MX98373",
157 		.drv_name = "avs_max98373",
158 		.mach_params = {
159 			.i2s_link_mask = AVS_SSP(0),
160 		},
161 		.tplg_filename = "max98373-tplg.bin",
162 	},
163 	{
164 		.id = "MX98357A",
165 		.drv_name = "avs_max98357a",
166 		.mach_params = {
167 			.i2s_link_mask = AVS_SSP(0),
168 		},
169 		.tplg_filename = "max98357a-tplg.bin",
170 	},
171 	{
172 		.id = "DLGS7219",
173 		.drv_name = "avs_da7219",
174 		.mach_params = {
175 			.i2s_link_mask = AVS_SSP(1),
176 		},
177 		.tplg_filename = "da7219-tplg.bin",
178 	},
179 	{
180 		.id = "ESSX8336",
181 		.drv_name = "avs_es8336",
182 		.mach_params = {
183 			.i2s_link_mask = AVS_SSP(0),
184 		},
185 		.tplg_filename = "es8336-tplg.bin",
186 	},
187 	{},
188 };
189 
190 static struct snd_soc_acpi_mach avs_apl_i2s_machines[] = {
191 	{
192 		.id = "INT343A",
193 		.drv_name = "avs_rt298",
194 		.mach_params = {
195 			.i2s_link_mask = AVS_SSP(5),
196 		},
197 		.tplg_filename = "rt298-tplg.bin",
198 	},
199 	{
200 		.id = "INT34C3",
201 		.drv_name = "avs_tdf8532",
202 		.mach_params = {
203 			.i2s_link_mask = AVS_SSP_RANGE(0, 5),
204 		},
205 		.pdata = (unsigned long[]){ 0x1, 0x1, 0x14, 0x1, 0x1, 0x1 }, /* SSP2 TDMs */
206 		.tplg_filename = "tdf8532-tplg.bin",
207 	},
208 	{
209 		.id = "MX98357A",
210 		.drv_name = "avs_max98357a",
211 		.mach_params = {
212 			.i2s_link_mask = AVS_SSP(5),
213 		},
214 		.tplg_filename = "max98357a-tplg.bin",
215 	},
216 	{
217 		.id = "DLGS7219",
218 		.drv_name = "avs_da7219",
219 		.mach_params = {
220 			.i2s_link_mask = AVS_SSP(1),
221 		},
222 		.tplg_filename = "da7219-tplg.bin",
223 	},
224 	{},
225 };
226 
227 static struct snd_soc_acpi_mach avs_gml_i2s_machines[] = {
228 	{
229 		.id = "INT343A",
230 		.drv_name = "avs_rt298",
231 		.mach_params = {
232 			.i2s_link_mask = AVS_SSP(2),
233 		},
234 		.tplg_filename = "rt298-tplg.bin",
235 	},
236 	{},
237 };
238 
239 static struct snd_soc_acpi_mach avs_cnl_i2s_machines[] = {
240 	{
241 		.id = "INT34C2",
242 		.drv_name = "avs_rt274",
243 		.mach_params = {
244 			.i2s_link_mask = AVS_SSP(0),
245 		},
246 		.tplg_filename = "rt274-tplg.bin",
247 	},
248 	{
249 		.id = "10EC5682",
250 		.drv_name = "avs_rt5682",
251 		.mach_params = {
252 			.i2s_link_mask = AVS_SSP(1),
253 		},
254 		.tplg_filename = "rt5682-tplg.bin",
255 	},
256 	{},
257 };
258 
259 static struct snd_soc_acpi_mach avs_icl_i2s_machines[] = {
260 	{
261 		.id = "INT343A",
262 		.drv_name = "avs_rt298",
263 		.mach_params = {
264 			.i2s_link_mask = AVS_SSP(0),
265 		},
266 		.tplg_filename = "rt298-tplg.bin",
267 	},
268 	{
269 		.id = "INT34C2",
270 		.drv_name = "avs_rt274",
271 		.mach_params = {
272 			.i2s_link_mask = AVS_SSP(0),
273 		},
274 		.tplg_filename = "rt274-tplg.bin",
275 	},
276 	{},
277 };
278 
279 static struct snd_soc_acpi_mach avs_tgl_i2s_machines[] = {
280 	{
281 		.id = "INT34C2",
282 		.drv_name = "avs_rt274",
283 		.mach_params = {
284 			.i2s_link_mask = AVS_SSP(0),
285 		},
286 		.tplg_filename = "rt274-tplg.bin",
287 	},
288 	{
289 		.id = "10EC0298",
290 		.drv_name = "avs_rt298",
291 		.mach_params = {
292 			.i2s_link_mask = AVS_SSP(0),
293 		},
294 		.tplg_filename = "rt298-tplg.bin",
295 	},
296 	{
297 		.id = "10EC1308",
298 		.drv_name = "avs_rt1308",
299 		.mach_params = {
300 			.i2s_link_mask = AVS_SSP(1),
301 		},
302 		.tplg_filename = "rt1308-tplg.bin",
303 	},
304 	{
305 		.id = "ESSX8336",
306 		.drv_name = "avs_es8336",
307 		.mach_params = {
308 			.i2s_link_mask = AVS_SSP(0),
309 		},
310 		.tplg_filename = "es8336-tplg.bin",
311 	},
312 	{},
313 };
314 
315 static struct snd_soc_acpi_mach avs_test_i2s_machines[] = {
316 	{
317 		.drv_name = "avs_i2s_test",
318 		.mach_params = {
319 			.i2s_link_mask = AVS_SSP(0),
320 		},
321 		.tplg_filename = "i2s-test-tplg.bin",
322 	},
323 	{
324 		.drv_name = "avs_i2s_test",
325 		.mach_params = {
326 			.i2s_link_mask = AVS_SSP(1),
327 		},
328 		.tplg_filename = "i2s-test-tplg.bin",
329 	},
330 	{
331 		.drv_name = "avs_i2s_test",
332 		.mach_params = {
333 			.i2s_link_mask = AVS_SSP(2),
334 		},
335 		.tplg_filename = "i2s-test-tplg.bin",
336 	},
337 	{
338 		.drv_name = "avs_i2s_test",
339 		.mach_params = {
340 			.i2s_link_mask = AVS_SSP(3),
341 		},
342 		.tplg_filename = "i2s-test-tplg.bin",
343 	},
344 	{
345 		.drv_name = "avs_i2s_test",
346 		.mach_params = {
347 			.i2s_link_mask = AVS_SSP(4),
348 		},
349 		.tplg_filename = "i2s-test-tplg.bin",
350 	},
351 	{
352 		.drv_name = "avs_i2s_test",
353 		.mach_params = {
354 			.i2s_link_mask = AVS_SSP(5),
355 		},
356 		.tplg_filename = "i2s-test-tplg.bin",
357 	},
358 	/* no NULL terminator, as we depend on ARRAY SIZE due to .id == NULL */
359 };
360 
361 struct avs_acpi_boards {
362 	int id;
363 	struct snd_soc_acpi_mach *machs;
364 };
365 
366 #define AVS_MACH_ENTRY(_id, _mach) \
367 	{ .id = PCI_DEVICE_ID_INTEL_##_id, .machs = (_mach), }
368 
369 /* supported I2S boards per platform */
370 static const struct avs_acpi_boards i2s_boards[] = {
371 	AVS_MACH_ENTRY(HDA_SKL_LP, avs_skl_i2s_machines),
372 	AVS_MACH_ENTRY(HDA_KBL_LP, avs_kbl_i2s_machines),
373 	AVS_MACH_ENTRY(HDA_APL, avs_apl_i2s_machines),
374 	AVS_MACH_ENTRY(HDA_GML, avs_gml_i2s_machines),
375 	AVS_MACH_ENTRY(HDA_CNL_LP,	avs_cnl_i2s_machines),
376 	AVS_MACH_ENTRY(HDA_CNL_H,	avs_cnl_i2s_machines),
377 	AVS_MACH_ENTRY(HDA_CML_LP,	avs_cnl_i2s_machines),
378 	AVS_MACH_ENTRY(HDA_ICL_LP,	avs_icl_i2s_machines),
379 	AVS_MACH_ENTRY(HDA_TGL_LP,	avs_tgl_i2s_machines),
380 	AVS_MACH_ENTRY(HDA_EHL_0,	avs_tgl_i2s_machines),
381 	AVS_MACH_ENTRY(HDA_ADL_P,	avs_tgl_i2s_machines),
382 	AVS_MACH_ENTRY(HDA_RPL_P_0,	avs_tgl_i2s_machines),
383 	AVS_MACH_ENTRY(HDA_RPL_M,	avs_tgl_i2s_machines),
384 	{},
385 };
386 
avs_get_i2s_boards(struct avs_dev * adev)387 static const struct avs_acpi_boards *avs_get_i2s_boards(struct avs_dev *adev)
388 {
389 	int id, i;
390 
391 	id = adev->base.pci->device;
392 	for (i = 0; i < ARRAY_SIZE(i2s_boards); i++)
393 		if (i2s_boards[i].id == id)
394 			return &i2s_boards[i];
395 	return NULL;
396 }
397 
398 /* platform devices owned by AVS audio are removed with this hook */
board_pdev_unregister(void * data)399 static void board_pdev_unregister(void *data)
400 {
401 	platform_device_unregister(data);
402 }
403 
avs_register_probe_board(struct avs_dev * adev)404 static int __maybe_unused avs_register_probe_board(struct avs_dev *adev)
405 {
406 	struct platform_device *board;
407 	struct snd_soc_acpi_mach mach = {{0}};
408 	int ret;
409 
410 	ret = avs_probe_platform_register(adev, "probe-platform");
411 	if (ret < 0)
412 		return ret;
413 
414 	mach.mach_params.platform = "probe-platform";
415 
416 	board = platform_device_register_data(NULL, "avs_probe_mb", PLATFORM_DEVID_NONE,
417 					      (const void *)&mach, sizeof(mach));
418 	if (IS_ERR(board)) {
419 		dev_err(adev->dev, "probe board register failed\n");
420 		return PTR_ERR(board);
421 	}
422 
423 	ret = devm_add_action(adev->dev, board_pdev_unregister, board);
424 	if (ret < 0) {
425 		platform_device_unregister(board);
426 		return ret;
427 	}
428 	return 0;
429 }
430 
avs_register_dmic_board(struct avs_dev * adev)431 static int avs_register_dmic_board(struct avs_dev *adev)
432 {
433 	struct platform_device *codec, *board;
434 	struct snd_soc_acpi_mach mach = {{0}};
435 	int ret;
436 
437 	if (!acpi_nhlt_find_endpoint(ACPI_NHLT_LINKTYPE_PDM, -1, -1, -1)) {
438 		dev_dbg(adev->dev, "no DMIC endpoints present\n");
439 		return 0;
440 	}
441 
442 	codec = platform_device_register_simple("dmic-codec", PLATFORM_DEVID_NONE, NULL, 0);
443 	if (IS_ERR(codec)) {
444 		dev_err(adev->dev, "dmic codec register failed\n");
445 		return PTR_ERR(codec);
446 	}
447 
448 	ret = devm_add_action(adev->dev, board_pdev_unregister, codec);
449 	if (ret < 0) {
450 		platform_device_unregister(codec);
451 		return ret;
452 	}
453 
454 	ret = avs_dmic_platform_register(adev, "dmic-platform");
455 	if (ret < 0)
456 		return ret;
457 
458 	mach.tplg_filename = "dmic-tplg.bin";
459 	mach.mach_params.platform = "dmic-platform";
460 
461 	board = platform_device_register_data(NULL, "avs_dmic", PLATFORM_DEVID_NONE,
462 					(const void *)&mach, sizeof(mach));
463 	if (IS_ERR(board)) {
464 		dev_err(adev->dev, "dmic board register failed\n");
465 		return PTR_ERR(board);
466 	}
467 
468 	ret = devm_add_action(adev->dev, board_pdev_unregister, board);
469 	if (ret < 0) {
470 		platform_device_unregister(board);
471 		return ret;
472 	}
473 
474 	return 0;
475 }
476 
avs_register_i2s_board(struct avs_dev * adev,struct snd_soc_acpi_mach * mach)477 static int avs_register_i2s_board(struct avs_dev *adev, struct snd_soc_acpi_mach *mach)
478 {
479 	struct platform_device *board;
480 	int num_ssps;
481 	char *name;
482 	int ret;
483 
484 	num_ssps = adev->hw_cfg.i2s_caps.ctrl_count;
485 	if (fls(mach->mach_params.i2s_link_mask) > num_ssps) {
486 		dev_err(adev->dev, "Platform supports %d SSPs but board %s requires SSP%ld\n",
487 			num_ssps, mach->drv_name,
488 			(unsigned long)__fls(mach->mach_params.i2s_link_mask));
489 		return -ENODEV;
490 	}
491 
492 	name = devm_kasprintf(adev->dev, GFP_KERNEL, "%s.%d-platform", mach->drv_name,
493 			      mach->mach_params.i2s_link_mask);
494 	if (!name)
495 		return -ENOMEM;
496 
497 	ret = avs_i2s_platform_register(adev, name, mach->mach_params.i2s_link_mask, mach->pdata);
498 	if (ret < 0)
499 		return ret;
500 
501 	mach->mach_params.platform = name;
502 
503 	board = platform_device_register_data(NULL, mach->drv_name, mach->mach_params.i2s_link_mask,
504 					      (const void *)mach, sizeof(*mach));
505 	if (IS_ERR(board)) {
506 		dev_err(adev->dev, "ssp board register failed\n");
507 		return PTR_ERR(board);
508 	}
509 
510 	ret = devm_add_action(adev->dev, board_pdev_unregister, board);
511 	if (ret < 0) {
512 		platform_device_unregister(board);
513 		return ret;
514 	}
515 
516 	return 0;
517 }
518 
avs_register_i2s_boards(struct avs_dev * adev)519 static int avs_register_i2s_boards(struct avs_dev *adev)
520 {
521 	const struct avs_acpi_boards *boards;
522 	struct snd_soc_acpi_mach *mach;
523 	int ret;
524 
525 	if (!acpi_nhlt_find_endpoint(ACPI_NHLT_LINKTYPE_SSP, -1, -1, -1)) {
526 		dev_dbg(adev->dev, "no I2S endpoints present\n");
527 		return 0;
528 	}
529 
530 	if (i2s_test) {
531 		int i, num_ssps;
532 
533 		num_ssps = adev->hw_cfg.i2s_caps.ctrl_count;
534 		/* constrain just in case FW says there can be more SSPs than possible */
535 		num_ssps = min_t(int, ARRAY_SIZE(avs_test_i2s_machines), num_ssps);
536 
537 		mach = avs_test_i2s_machines;
538 
539 		for (i = 0; i < num_ssps; i++) {
540 			ret = avs_register_i2s_board(adev, &mach[i]);
541 			if (ret < 0)
542 				dev_warn(adev->dev, "register i2s %s failed: %d\n", mach->drv_name,
543 					 ret);
544 		}
545 		return 0;
546 	}
547 
548 	boards = avs_get_i2s_boards(adev);
549 	if (!boards) {
550 		dev_dbg(adev->dev, "no I2S endpoints supported\n");
551 		return 0;
552 	}
553 
554 	for (mach = boards->machs; mach->id[0]; mach++) {
555 		if (!acpi_dev_present(mach->id, mach->uid, -1))
556 			continue;
557 
558 		if (mach->machine_quirk)
559 			if (!mach->machine_quirk(mach))
560 				continue;
561 
562 		ret = avs_register_i2s_board(adev, mach);
563 		if (ret < 0)
564 			dev_warn(adev->dev, "register i2s %s failed: %d\n", mach->drv_name, ret);
565 	}
566 
567 	return 0;
568 }
569 
avs_register_hda_board(struct avs_dev * adev,struct hda_codec * codec)570 static int avs_register_hda_board(struct avs_dev *adev, struct hda_codec *codec)
571 {
572 	struct snd_soc_acpi_mach mach = {{0}};
573 	struct platform_device *board;
574 	struct hdac_device *hdev = &codec->core;
575 	char *pname;
576 	int ret, id;
577 
578 	pname = devm_kasprintf(adev->dev, GFP_KERNEL, "%s-platform", dev_name(&hdev->dev));
579 	if (!pname)
580 		return -ENOMEM;
581 
582 	ret = avs_hda_platform_register(adev, pname);
583 	if (ret < 0)
584 		return ret;
585 
586 	mach.pdata = codec;
587 	mach.mach_params.platform = pname;
588 	mach.tplg_filename = devm_kasprintf(adev->dev, GFP_KERNEL, "hda-%08x-tplg.bin",
589 					    hdev->vendor_id);
590 	if (!mach.tplg_filename)
591 		return -ENOMEM;
592 
593 	id = adev->base.core.idx * HDA_MAX_CODECS + hdev->addr;
594 	board = platform_device_register_data(NULL, "avs_hdaudio", id, (const void *)&mach,
595 					      sizeof(mach));
596 	if (IS_ERR(board)) {
597 		dev_err(adev->dev, "hda board register failed\n");
598 		return PTR_ERR(board);
599 	}
600 
601 	ret = devm_add_action(adev->dev, board_pdev_unregister, board);
602 	if (ret < 0) {
603 		platform_device_unregister(board);
604 		return ret;
605 	}
606 
607 	return 0;
608 }
609 
avs_register_hda_boards(struct avs_dev * adev)610 static int avs_register_hda_boards(struct avs_dev *adev)
611 {
612 	struct hdac_bus *bus = &adev->base.core;
613 	struct hdac_device *hdev;
614 	int ret;
615 
616 	if (!bus->num_codecs) {
617 		dev_dbg(adev->dev, "no HDA endpoints present\n");
618 		return 0;
619 	}
620 
621 	list_for_each_entry(hdev, &bus->codec_list, list) {
622 		struct hda_codec *codec;
623 
624 		codec = dev_to_hda_codec(&hdev->dev);
625 
626 		ret = avs_register_hda_board(adev, codec);
627 		if (ret < 0)
628 			dev_warn(adev->dev, "register hda-%08x failed: %d\n",
629 				 codec->core.vendor_id, ret);
630 	}
631 
632 	return 0;
633 }
634 
avs_register_all_boards(struct avs_dev * adev)635 int avs_register_all_boards(struct avs_dev *adev)
636 {
637 	int ret;
638 
639 #ifdef CONFIG_DEBUG_FS
640 	ret = avs_register_probe_board(adev);
641 	if (ret < 0)
642 		dev_warn(adev->dev, "enumerate PROBE endpoints failed: %d\n", ret);
643 #endif
644 
645 	ret = avs_register_dmic_board(adev);
646 	if (ret < 0)
647 		dev_warn(adev->dev, "enumerate DMIC endpoints failed: %d\n",
648 			 ret);
649 
650 	ret = avs_register_i2s_boards(adev);
651 	if (ret < 0)
652 		dev_warn(adev->dev, "enumerate I2S endpoints failed: %d\n",
653 			 ret);
654 
655 	ret = avs_register_hda_boards(adev);
656 	if (ret < 0)
657 		dev_warn(adev->dev, "enumerate HDA endpoints failed: %d\n",
658 			 ret);
659 
660 	return 0;
661 }
662 
avs_unregister_all_boards(struct avs_dev * adev)663 void avs_unregister_all_boards(struct avs_dev *adev)
664 {
665 	snd_soc_unregister_component(adev->dev);
666 }
667