1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Intel Skylake I2S Machine Driver with MAXIM98357A
4  * and NAU88L25
5  *
6  * Copyright (C) 2015, Intel Corporation. All rights reserved.
7  */
8 
9 #include <linux/module.h>
10 #include <linux/platform_device.h>
11 #include <sound/core.h>
12 #include <sound/jack.h>
13 #include <sound/pcm.h>
14 #include <sound/pcm_params.h>
15 #include <sound/soc.h>
16 #include <sound/soc-acpi.h>
17 #include "../../codecs/nau8825.h"
18 #include "../../codecs/hdac_hdmi.h"
19 
20 #define SKL_NUVOTON_CODEC_DAI	"nau8825-hifi"
21 #define SKL_MAXIM_CODEC_DAI "HiFi"
22 #define DMIC_CH(p)     p->list[p->count-1]
23 
24 static struct snd_soc_jack skylake_headset;
25 static struct snd_soc_card skylake_audio_card;
26 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
27 static struct snd_soc_jack skylake_hdmi[3];
28 
29 struct skl_hdmi_pcm {
30 	struct list_head head;
31 	struct snd_soc_dai *codec_dai;
32 	int device;
33 };
34 
35 struct skl_nau8825_private {
36 	struct list_head hdmi_pcm_list;
37 };
38 
39 enum {
40 	SKL_DPCM_AUDIO_PB = 0,
41 	SKL_DPCM_AUDIO_CP,
42 	SKL_DPCM_AUDIO_REF_CP,
43 	SKL_DPCM_AUDIO_DMIC_CP,
44 	SKL_DPCM_AUDIO_HDMI1_PB,
45 	SKL_DPCM_AUDIO_HDMI2_PB,
46 	SKL_DPCM_AUDIO_HDMI3_PB,
47 };
48 
49 static int platform_clock_control(struct snd_soc_dapm_widget *w,
50 	struct snd_kcontrol *k, int  event)
51 {
52 	struct snd_soc_dapm_context *dapm = w->dapm;
53 	struct snd_soc_card *card = dapm->card;
54 	struct snd_soc_dai *codec_dai;
55 	int ret;
56 
57 	codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
58 	if (!codec_dai) {
59 		dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
60 		return -EIO;
61 	}
62 
63 	if (SND_SOC_DAPM_EVENT_ON(event)) {
64 		ret = snd_soc_dai_set_sysclk(codec_dai,
65 				NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
66 		if (ret < 0) {
67 			dev_err(card->dev, "set sysclk err = %d\n", ret);
68 			return -EIO;
69 		}
70 	} else {
71 		ret = snd_soc_dai_set_sysclk(codec_dai,
72 				NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
73 		if (ret < 0) {
74 			dev_err(card->dev, "set sysclk err = %d\n", ret);
75 			return -EIO;
76 		}
77 	}
78 
79 	return ret;
80 }
81 
82 static const struct snd_kcontrol_new skylake_controls[] = {
83 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
84 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
85 	SOC_DAPM_PIN_SWITCH("Spk"),
86 };
87 
88 static const struct snd_soc_dapm_widget skylake_widgets[] = {
89 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
90 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
91 	SND_SOC_DAPM_SPK("Spk", NULL),
92 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
93 	SND_SOC_DAPM_SPK("DP1", NULL),
94 	SND_SOC_DAPM_SPK("DP2", NULL),
95 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
96 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
97 			SND_SOC_DAPM_POST_PMD),
98 };
99 
100 static const struct snd_soc_dapm_route skylake_map[] = {
101 	/* HP jack connectors - unknown if we have jack detection */
102 	{ "Headphone Jack", NULL, "HPOL" },
103 	{ "Headphone Jack", NULL, "HPOR" },
104 
105 	/* speaker */
106 	{ "Spk", NULL, "Speaker" },
107 
108 	/* other jacks */
109 	{ "MIC", NULL, "Headset Mic" },
110 	{ "DMic", NULL, "SoC DMIC" },
111 
112 	/* CODEC BE connections */
113 	{ "HiFi Playback", NULL, "ssp0 Tx" },
114 	{ "ssp0 Tx", NULL, "codec0_out" },
115 
116 	{ "Playback", NULL, "ssp1 Tx" },
117 	{ "ssp1 Tx", NULL, "codec1_out" },
118 
119 	{ "codec0_in", NULL, "ssp1 Rx" },
120 	{ "ssp1 Rx", NULL, "Capture" },
121 
122 	/* DMIC */
123 	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
124 	{ "DMIC01 Rx", NULL, "DMIC AIF" },
125 
126 	{ "hifi3", NULL, "iDisp3 Tx"},
127 	{ "iDisp3 Tx", NULL, "iDisp3_out"},
128 	{ "hifi2", NULL, "iDisp2 Tx"},
129 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
130 	{ "hifi1", NULL, "iDisp1 Tx"},
131 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
132 
133 	{ "Headphone Jack", NULL, "Platform Clock" },
134 	{ "Headset Mic", NULL, "Platform Clock" },
135 };
136 
137 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
138 	struct snd_pcm_hw_params *params)
139 {
140 	struct snd_interval *rate = hw_param_interval(params,
141 			SNDRV_PCM_HW_PARAM_RATE);
142 	struct snd_interval *chan = hw_param_interval(params,
143 			SNDRV_PCM_HW_PARAM_CHANNELS);
144 	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
145 
146 	/* The ADSP will covert the FE rate to 48k, stereo */
147 	rate->min = rate->max = 48000;
148 	chan->min = chan->max = 2;
149 
150 	/* set SSP0 to 24 bit */
151 	snd_mask_none(fmt);
152 	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
153 
154 	return 0;
155 }
156 
157 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
158 {
159 	int ret;
160 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
161 
162 	/*
163 	 * Headset buttons map to the google Reference headset.
164 	 * These can be configured by userspace.
165 	 */
166 	ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
167 			SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
168 			SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset);
169 	if (ret) {
170 		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
171 		return ret;
172 	}
173 
174 	nau8825_enable_jack_detect(component, &skylake_headset);
175 
176 	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
177 
178 	return ret;
179 }
180 
181 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
182 {
183 	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
184 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
185 	struct skl_hdmi_pcm *pcm;
186 
187 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
188 	if (!pcm)
189 		return -ENOMEM;
190 
191 	pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
192 	pcm->codec_dai = dai;
193 
194 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
195 
196 	return 0;
197 }
198 
199 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
200 {
201 	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
202 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
203 	struct skl_hdmi_pcm *pcm;
204 
205 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
206 	if (!pcm)
207 		return -ENOMEM;
208 
209 	pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
210 	pcm->codec_dai = dai;
211 
212 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
213 
214 	return 0;
215 }
216 
217 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
218 {
219 	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
220 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
221 	struct skl_hdmi_pcm *pcm;
222 
223 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
224 	if (!pcm)
225 		return -ENOMEM;
226 
227 	pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
228 	pcm->codec_dai = dai;
229 
230 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
231 
232 	return 0;
233 }
234 
235 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
236 {
237 	struct snd_soc_dapm_context *dapm;
238 	struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
239 
240 	dapm = snd_soc_component_get_dapm(component);
241 	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
242 
243 	return 0;
244 }
245 
246 static const unsigned int rates[] = {
247 	48000,
248 };
249 
250 static const struct snd_pcm_hw_constraint_list constraints_rates = {
251 	.count = ARRAY_SIZE(rates),
252 	.list  = rates,
253 	.mask = 0,
254 };
255 
256 static const unsigned int channels[] = {
257 	2,
258 };
259 
260 static const struct snd_pcm_hw_constraint_list constraints_channels = {
261 	.count = ARRAY_SIZE(channels),
262 	.list = channels,
263 	.mask = 0,
264 };
265 
266 static int skl_fe_startup(struct snd_pcm_substream *substream)
267 {
268 	struct snd_pcm_runtime *runtime = substream->runtime;
269 
270 	/*
271 	 * On this platform for PCM device we support,
272 	 * 48Khz
273 	 * stereo
274 	 * 16 bit audio
275 	 */
276 
277 	runtime->hw.channels_max = 2;
278 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
279 					   &constraints_channels);
280 
281 	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
282 	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
283 
284 	snd_pcm_hw_constraint_list(runtime, 0,
285 				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
286 
287 	return 0;
288 }
289 
290 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
291 	.startup = skl_fe_startup,
292 };
293 
294 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
295 	struct snd_pcm_hw_params *params)
296 {
297 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
298 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
299 	int ret;
300 
301 	ret = snd_soc_dai_set_sysclk(codec_dai,
302 			NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
303 
304 	if (ret < 0)
305 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
306 
307 	return ret;
308 }
309 
310 static const struct snd_soc_ops skylake_nau8825_ops = {
311 	.hw_params = skylake_nau8825_hw_params,
312 };
313 
314 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
315 		struct snd_pcm_hw_params *params)
316 {
317 	struct snd_interval *chan = hw_param_interval(params,
318 				SNDRV_PCM_HW_PARAM_CHANNELS);
319 
320 	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
321 		chan->min = chan->max = 2;
322 	else
323 		chan->min = chan->max = 4;
324 
325 	return 0;
326 }
327 
328 static const unsigned int channels_dmic[] = {
329 	2, 4,
330 };
331 
332 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
333 	.count = ARRAY_SIZE(channels_dmic),
334 	.list = channels_dmic,
335 	.mask = 0,
336 };
337 
338 static const unsigned int dmic_2ch[] = {
339 	2,
340 };
341 
342 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
343 	.count = ARRAY_SIZE(dmic_2ch),
344 	.list = dmic_2ch,
345 	.mask = 0,
346 };
347 
348 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
349 {
350 	struct snd_pcm_runtime *runtime = substream->runtime;
351 
352 	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
353 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
354 			dmic_constraints);
355 
356 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
357 			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
358 }
359 
360 static const struct snd_soc_ops skylake_dmic_ops = {
361 	.startup = skylake_dmic_startup,
362 };
363 
364 static const unsigned int rates_16000[] = {
365 	16000,
366 };
367 
368 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
369 	.count = ARRAY_SIZE(rates_16000),
370 	.list  = rates_16000,
371 };
372 
373 static const unsigned int ch_mono[] = {
374 	1,
375 };
376 
377 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
378 	.count = ARRAY_SIZE(ch_mono),
379 	.list  = ch_mono,
380 };
381 
382 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
383 {
384 	substream->runtime->hw.channels_max = 1;
385 	snd_pcm_hw_constraint_list(substream->runtime, 0,
386 					SNDRV_PCM_HW_PARAM_CHANNELS,
387 					&constraints_refcap);
388 
389 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
390 				SNDRV_PCM_HW_PARAM_RATE,
391 				&constraints_16000);
392 }
393 
394 static const struct snd_soc_ops skylake_refcap_ops = {
395 	.startup = skylake_refcap_startup,
396 };
397 
398 SND_SOC_DAILINK_DEF(dummy,
399 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
400 
401 SND_SOC_DAILINK_DEF(system,
402 	DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
403 
404 SND_SOC_DAILINK_DEF(reference,
405 	DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
406 
407 SND_SOC_DAILINK_DEF(dmic,
408 	DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
409 
410 SND_SOC_DAILINK_DEF(hdmi1,
411 	DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
412 
413 SND_SOC_DAILINK_DEF(hdmi2,
414 	DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
415 
416 SND_SOC_DAILINK_DEF(hdmi3,
417 	DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
418 
419 SND_SOC_DAILINK_DEF(ssp0_pin,
420 	DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
421 SND_SOC_DAILINK_DEF(ssp0_codec,
422 	DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", SKL_MAXIM_CODEC_DAI)));
423 
424 SND_SOC_DAILINK_DEF(ssp1_pin,
425 	DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
426 SND_SOC_DAILINK_DEF(ssp1_codec,
427 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00",
428 				      SKL_NUVOTON_CODEC_DAI)));
429 
430 SND_SOC_DAILINK_DEF(dmic_pin,
431 	DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
432 SND_SOC_DAILINK_DEF(dmic_codec,
433 	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
434 
435 SND_SOC_DAILINK_DEF(idisp1_pin,
436 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
437 SND_SOC_DAILINK_DEF(idisp1_codec,
438 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
439 
440 SND_SOC_DAILINK_DEF(idisp2_pin,
441 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
442 SND_SOC_DAILINK_DEF(idisp2_codec,
443 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
444 
445 SND_SOC_DAILINK_DEF(idisp3_pin,
446 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
447 SND_SOC_DAILINK_DEF(idisp3_codec,
448 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
449 
450 SND_SOC_DAILINK_DEF(platform,
451 	DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
452 
453 /* skylake digital audio interface glue - connects codec <--> CPU */
454 static struct snd_soc_dai_link skylake_dais[] = {
455 	/* Front End DAI links */
456 	[SKL_DPCM_AUDIO_PB] = {
457 		.name = "Skl Audio Port",
458 		.stream_name = "Audio",
459 		.dynamic = 1,
460 		.nonatomic = 1,
461 		.init = skylake_nau8825_fe_init,
462 		.trigger = {
463 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
464 		.dpcm_playback = 1,
465 		.ops = &skylake_nau8825_fe_ops,
466 		SND_SOC_DAILINK_REG(system, dummy, platform),
467 	},
468 	[SKL_DPCM_AUDIO_CP] = {
469 		.name = "Skl Audio Capture Port",
470 		.stream_name = "Audio Record",
471 		.dynamic = 1,
472 		.nonatomic = 1,
473 		.trigger = {
474 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
475 		.dpcm_capture = 1,
476 		.ops = &skylake_nau8825_fe_ops,
477 		SND_SOC_DAILINK_REG(system, dummy, platform),
478 	},
479 	[SKL_DPCM_AUDIO_REF_CP] = {
480 		.name = "Skl Audio Reference cap",
481 		.stream_name = "Wake on Voice",
482 		.init = NULL,
483 		.dpcm_capture = 1,
484 		.nonatomic = 1,
485 		.dynamic = 1,
486 		.ops = &skylake_refcap_ops,
487 		SND_SOC_DAILINK_REG(reference, dummy, platform),
488 	},
489 	[SKL_DPCM_AUDIO_DMIC_CP] = {
490 		.name = "Skl Audio DMIC cap",
491 		.stream_name = "dmiccap",
492 		.init = NULL,
493 		.dpcm_capture = 1,
494 		.nonatomic = 1,
495 		.dynamic = 1,
496 		.ops = &skylake_dmic_ops,
497 		SND_SOC_DAILINK_REG(dmic, dummy, platform),
498 	},
499 	[SKL_DPCM_AUDIO_HDMI1_PB] = {
500 		.name = "Skl HDMI Port1",
501 		.stream_name = "Hdmi1",
502 		.dpcm_playback = 1,
503 		.init = NULL,
504 		.trigger = {
505 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
506 		.nonatomic = 1,
507 		.dynamic = 1,
508 		SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
509 	},
510 	[SKL_DPCM_AUDIO_HDMI2_PB] = {
511 		.name = "Skl HDMI Port2",
512 		.stream_name = "Hdmi2",
513 		.dpcm_playback = 1,
514 		.init = NULL,
515 		.trigger = {
516 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
517 		.nonatomic = 1,
518 		.dynamic = 1,
519 		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
520 	},
521 	[SKL_DPCM_AUDIO_HDMI3_PB] = {
522 		.name = "Skl HDMI Port3",
523 		.stream_name = "Hdmi3",
524 		.trigger = {
525 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
526 		.dpcm_playback = 1,
527 		.init = NULL,
528 		.nonatomic = 1,
529 		.dynamic = 1,
530 		SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
531 	},
532 
533 	/* Back End DAI links */
534 	{
535 		/* SSP0 - Codec */
536 		.name = "SSP0-Codec",
537 		.id = 0,
538 		.no_pcm = 1,
539 		.dai_fmt = SND_SOC_DAIFMT_I2S |
540 			SND_SOC_DAIFMT_NB_NF |
541 			SND_SOC_DAIFMT_CBC_CFC,
542 		.ignore_pmdown_time = 1,
543 		.be_hw_params_fixup = skylake_ssp_fixup,
544 		.dpcm_playback = 1,
545 		SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
546 	},
547 	{
548 		/* SSP1 - Codec */
549 		.name = "SSP1-Codec",
550 		.id = 1,
551 		.no_pcm = 1,
552 		.init = skylake_nau8825_codec_init,
553 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
554 			SND_SOC_DAIFMT_CBC_CFC,
555 		.ignore_pmdown_time = 1,
556 		.be_hw_params_fixup = skylake_ssp_fixup,
557 		.ops = &skylake_nau8825_ops,
558 		.dpcm_playback = 1,
559 		.dpcm_capture = 1,
560 		SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
561 	},
562 	{
563 		.name = "dmic01",
564 		.id = 2,
565 		.be_hw_params_fixup = skylake_dmic_fixup,
566 		.ignore_suspend = 1,
567 		.dpcm_capture = 1,
568 		.no_pcm = 1,
569 		SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
570 	},
571 	{
572 		.name = "iDisp1",
573 		.id = 3,
574 		.dpcm_playback = 1,
575 		.init = skylake_hdmi1_init,
576 		.no_pcm = 1,
577 		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
578 	},
579 	{
580 		.name = "iDisp2",
581 		.id = 4,
582 		.init = skylake_hdmi2_init,
583 		.dpcm_playback = 1,
584 		.no_pcm = 1,
585 		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
586 	},
587 	{
588 		.name = "iDisp3",
589 		.id = 5,
590 		.init = skylake_hdmi3_init,
591 		.dpcm_playback = 1,
592 		.no_pcm = 1,
593 		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
594 	},
595 };
596 
597 #define NAME_SIZE	32
598 static int skylake_card_late_probe(struct snd_soc_card *card)
599 {
600 	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card);
601 	struct skl_hdmi_pcm *pcm;
602 	struct snd_soc_component *component = NULL;
603 	int err, i = 0;
604 	char jack_name[NAME_SIZE];
605 
606 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
607 		component = pcm->codec_dai->component;
608 		snprintf(jack_name, sizeof(jack_name),
609 			"HDMI/DP, pcm=%d Jack", pcm->device);
610 		err = snd_soc_card_jack_new(card, jack_name,
611 					SND_JACK_AVOUT,
612 					&skylake_hdmi[i]);
613 
614 		if (err)
615 			return err;
616 
617 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
618 						&skylake_hdmi[i]);
619 		if (err < 0)
620 			return err;
621 
622 		i++;
623 	}
624 
625 	if (!component)
626 		return -EINVAL;
627 
628 	return hdac_hdmi_jack_port_init(component, &card->dapm);
629 }
630 
631 /* skylake audio machine driver for SPT + NAU88L25 */
632 static struct snd_soc_card skylake_audio_card = {
633 	.name = "sklnau8825max",
634 	.owner = THIS_MODULE,
635 	.dai_link = skylake_dais,
636 	.num_links = ARRAY_SIZE(skylake_dais),
637 	.controls = skylake_controls,
638 	.num_controls = ARRAY_SIZE(skylake_controls),
639 	.dapm_widgets = skylake_widgets,
640 	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
641 	.dapm_routes = skylake_map,
642 	.num_dapm_routes = ARRAY_SIZE(skylake_map),
643 	.fully_routed = true,
644 	.late_probe = skylake_card_late_probe,
645 };
646 
647 static int skylake_audio_probe(struct platform_device *pdev)
648 {
649 	struct skl_nau8825_private *ctx;
650 	struct snd_soc_acpi_mach *mach;
651 
652 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
653 	if (!ctx)
654 		return -ENOMEM;
655 
656 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
657 
658 	skylake_audio_card.dev = &pdev->dev;
659 	snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
660 
661 	mach = pdev->dev.platform_data;
662 	if (mach)
663 		dmic_constraints = mach->mach_params.dmic_num == 2 ?
664 			&constraints_dmic_2ch : &constraints_dmic_channels;
665 
666 	return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
667 }
668 
669 static const struct platform_device_id skl_board_ids[] = {
670 	{ .name = "skl_n88l25_m98357a" },
671 	{ .name = "kbl_n88l25_m98357a" },
672 	{ }
673 };
674 MODULE_DEVICE_TABLE(platform, skl_board_ids);
675 
676 static struct platform_driver skylake_audio = {
677 	.probe = skylake_audio_probe,
678 	.driver = {
679 		.name = "skl_n88l25_m98357a",
680 		.pm = &snd_soc_pm_ops,
681 	},
682 	.id_table = skl_board_ids,
683 };
684 
685 module_platform_driver(skylake_audio)
686 
687 /* Module information */
688 MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
689 MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
690 MODULE_LICENSE("GPL v2");
691