1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
4  *
5  * Copyright (C) 2015, Intel Corporation. All rights reserved.
6  *
7  * Modified from:
8  *   Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
9  *
10  *   Copyright (C) 2015, Intel Corporation. All rights reserved.
11  */
12 
13 #include <linux/module.h>
14 #include <linux/platform_device.h>
15 #include <sound/core.h>
16 #include <sound/pcm.h>
17 #include <sound/soc.h>
18 #include <sound/soc-acpi.h>
19 #include <sound/jack.h>
20 #include <sound/pcm_params.h>
21 #include "../../codecs/nau8825.h"
22 #include "../../codecs/hdac_hdmi.h"
23 
24 #define SKL_NUVOTON_CODEC_DAI	"nau8825-hifi"
25 #define SKL_SSM_CODEC_DAI	"ssm4567-hifi"
26 #define DMIC_CH(p)     p->list[p->count-1]
27 
28 static struct snd_soc_jack skylake_headset;
29 static struct snd_soc_card skylake_audio_card;
30 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
31 static struct snd_soc_jack skylake_hdmi[3];
32 
33 struct skl_hdmi_pcm {
34 	struct list_head head;
35 	struct snd_soc_dai *codec_dai;
36 	int device;
37 };
38 
39 struct skl_nau88125_private {
40 	struct list_head hdmi_pcm_list;
41 };
42 enum {
43 	SKL_DPCM_AUDIO_PB = 0,
44 	SKL_DPCM_AUDIO_CP,
45 	SKL_DPCM_AUDIO_REF_CP,
46 	SKL_DPCM_AUDIO_DMIC_CP,
47 	SKL_DPCM_AUDIO_HDMI1_PB,
48 	SKL_DPCM_AUDIO_HDMI2_PB,
49 	SKL_DPCM_AUDIO_HDMI3_PB,
50 };
51 
52 static const struct snd_kcontrol_new skylake_controls[] = {
53 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
54 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
55 	SOC_DAPM_PIN_SWITCH("Left Speaker"),
56 	SOC_DAPM_PIN_SWITCH("Right Speaker"),
57 };
58 
59 static int platform_clock_control(struct snd_soc_dapm_widget *w,
60 		struct snd_kcontrol *k, int  event)
61 {
62 	struct snd_soc_dapm_context *dapm = w->dapm;
63 	struct snd_soc_card *card = dapm->card;
64 	struct snd_soc_dai *codec_dai;
65 	int ret;
66 
67 	codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
68 	if (!codec_dai) {
69 		dev_err(card->dev, "Codec dai not found\n");
70 		return -EIO;
71 	}
72 
73 	if (SND_SOC_DAPM_EVENT_ON(event)) {
74 		ret = snd_soc_dai_set_sysclk(codec_dai,
75 				NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
76 		if (ret < 0) {
77 			dev_err(card->dev, "set sysclk err = %d\n", ret);
78 			return -EIO;
79 		}
80 	} else {
81 		ret = snd_soc_dai_set_sysclk(codec_dai,
82 				NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
83 		if (ret < 0) {
84 			dev_err(card->dev, "set sysclk err = %d\n", ret);
85 			return -EIO;
86 		}
87 	}
88 	return ret;
89 }
90 
91 static const struct snd_soc_dapm_widget skylake_widgets[] = {
92 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
93 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
94 	SND_SOC_DAPM_SPK("Left Speaker", NULL),
95 	SND_SOC_DAPM_SPK("Right Speaker", NULL),
96 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
97 	SND_SOC_DAPM_SPK("DP1", NULL),
98 	SND_SOC_DAPM_SPK("DP2", NULL),
99 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
100 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
101 			SND_SOC_DAPM_POST_PMD),
102 };
103 
104 static struct snd_soc_jack_pin jack_pins[] = {
105 	{
106 		.pin    = "Headphone Jack",
107 		.mask   = SND_JACK_HEADPHONE,
108 	},
109 	{
110 		.pin    = "Headset Mic",
111 		.mask   = SND_JACK_MICROPHONE,
112 	},
113 };
114 
115 static const struct snd_soc_dapm_route skylake_map[] = {
116 	/* HP jack connectors - unknown if we have jack detection */
117 	{"Headphone Jack", NULL, "HPOL"},
118 	{"Headphone Jack", NULL, "HPOR"},
119 
120 	/* speaker */
121 	{"Left Speaker", NULL, "Left OUT"},
122 	{"Right Speaker", NULL, "Right OUT"},
123 
124 	/* other jacks */
125 	{"MIC", NULL, "Headset Mic"},
126 	{"DMic", NULL, "SoC DMIC"},
127 
128 	/* CODEC BE connections */
129 	{ "Left Playback", NULL, "ssp0 Tx"},
130 	{ "Right Playback", NULL, "ssp0 Tx"},
131 	{ "ssp0 Tx", NULL, "codec0_out"},
132 
133 	/* IV feedback path */
134 	{ "codec0_lp_in", NULL, "ssp0 Rx"},
135 	{ "ssp0 Rx", NULL, "Left Capture Sense" },
136 	{ "ssp0 Rx", NULL, "Right Capture Sense" },
137 
138 	{ "Playback", NULL, "ssp1 Tx"},
139 	{ "ssp1 Tx", NULL, "codec1_out"},
140 
141 	{ "codec0_in", NULL, "ssp1 Rx" },
142 	{ "ssp1 Rx", NULL, "Capture" },
143 
144 	/* DMIC */
145 	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
146 	{ "DMIC01 Rx", NULL, "DMIC AIF" },
147 
148 	{ "hifi3", NULL, "iDisp3 Tx"},
149 	{ "iDisp3 Tx", NULL, "iDisp3_out"},
150 	{ "hifi2", NULL, "iDisp2 Tx"},
151 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
152 	{ "hifi1", NULL, "iDisp1 Tx"},
153 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
154 
155 	{ "Headphone Jack", NULL, "Platform Clock" },
156 	{ "Headset Mic", NULL, "Platform Clock" },
157 };
158 
159 static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
160 	{
161 		.dlc = COMP_CODEC_CONF("i2c-INT343B:00"),
162 		.name_prefix = "Left",
163 	},
164 	{
165 		.dlc = COMP_CODEC_CONF("i2c-INT343B:01"),
166 		.name_prefix = "Right",
167 	},
168 };
169 
170 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
171 {
172 	int ret;
173 
174 	/* Slot 1 for left */
175 	ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_codec(rtd, 0), 0x01, 0x01, 2, 48);
176 	if (ret < 0)
177 		return ret;
178 
179 	/* Slot 2 for right */
180 	ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_codec(rtd, 1), 0x02, 0x02, 2, 48);
181 	if (ret < 0)
182 		return ret;
183 
184 	return ret;
185 }
186 
187 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
188 {
189 	int ret;
190 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
191 
192 	/*
193 	 * 4 buttons here map to the google Reference headset
194 	 * The use of these buttons can be decided by the user space.
195 	 */
196 	ret = snd_soc_card_jack_new_pins(&skylake_audio_card, "Headset Jack",
197 					 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
198 					 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
199 					 jack_pins,
200 					 ARRAY_SIZE(jack_pins));
201 	if (ret) {
202 		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
203 		return ret;
204 	}
205 
206 	nau8825_enable_jack_detect(component, &skylake_headset);
207 
208 	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
209 
210 	return ret;
211 }
212 
213 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
214 {
215 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
216 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
217 	struct skl_hdmi_pcm *pcm;
218 
219 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
220 	if (!pcm)
221 		return -ENOMEM;
222 
223 	pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
224 	pcm->codec_dai = dai;
225 
226 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
227 
228 	return 0;
229 }
230 
231 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
232 {
233 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
234 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
235 	struct skl_hdmi_pcm *pcm;
236 
237 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
238 	if (!pcm)
239 		return -ENOMEM;
240 
241 	pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
242 	pcm->codec_dai = dai;
243 
244 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
245 
246 	return 0;
247 }
248 
249 
250 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
251 {
252 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
253 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
254 	struct skl_hdmi_pcm *pcm;
255 
256 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
257 	if (!pcm)
258 		return -ENOMEM;
259 
260 	pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
261 	pcm->codec_dai = dai;
262 
263 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
264 
265 	return 0;
266 }
267 
268 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
269 {
270 	struct snd_soc_dapm_context *dapm;
271 	struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
272 
273 	dapm = snd_soc_component_get_dapm(component);
274 	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
275 
276 	return 0;
277 }
278 
279 static const unsigned int rates[] = {
280 	48000,
281 };
282 
283 static const struct snd_pcm_hw_constraint_list constraints_rates = {
284 	.count = ARRAY_SIZE(rates),
285 	.list  = rates,
286 	.mask = 0,
287 };
288 
289 static const unsigned int channels[] = {
290 	2,
291 };
292 
293 static const struct snd_pcm_hw_constraint_list constraints_channels = {
294 	.count = ARRAY_SIZE(channels),
295 	.list = channels,
296 	.mask = 0,
297 };
298 
299 static int skl_fe_startup(struct snd_pcm_substream *substream)
300 {
301 	struct snd_pcm_runtime *runtime = substream->runtime;
302 
303 	/*
304 	 * on this platform for PCM device we support,
305 	 *	48Khz
306 	 *	stereo
307 	 *	16 bit audio
308 	 */
309 
310 	runtime->hw.channels_max = 2;
311 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
312 					   &constraints_channels);
313 
314 	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
315 	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
316 
317 	snd_pcm_hw_constraint_list(runtime, 0,
318 				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
319 
320 	return 0;
321 }
322 
323 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
324 	.startup = skl_fe_startup,
325 };
326 
327 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
328 			struct snd_pcm_hw_params *params)
329 {
330 	struct snd_interval *rate = hw_param_interval(params,
331 			SNDRV_PCM_HW_PARAM_RATE);
332 	struct snd_interval *chan = hw_param_interval(params,
333 						SNDRV_PCM_HW_PARAM_CHANNELS);
334 	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
335 
336 	/* The ADSP will convert the FE rate to 48k, stereo */
337 	rate->min = rate->max = 48000;
338 	chan->min = chan->max = 2;
339 
340 	/* set SSP0 to 24 bit */
341 	snd_mask_none(fmt);
342 	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
343 	return 0;
344 }
345 
346 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
347 			struct snd_pcm_hw_params *params)
348 {
349 	struct snd_interval *chan = hw_param_interval(params,
350 						SNDRV_PCM_HW_PARAM_CHANNELS);
351 	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
352 		chan->min = chan->max = 2;
353 	else
354 		chan->min = chan->max = 4;
355 
356 	return 0;
357 }
358 
359 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
360 	struct snd_pcm_hw_params *params)
361 {
362 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
363 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
364 	int ret;
365 
366 	ret = snd_soc_dai_set_sysclk(codec_dai,
367 			NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
368 
369 	if (ret < 0)
370 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
371 
372 	return ret;
373 }
374 
375 static const struct snd_soc_ops skylake_nau8825_ops = {
376 	.hw_params = skylake_nau8825_hw_params,
377 };
378 
379 static const unsigned int channels_dmic[] = {
380 	2, 4,
381 };
382 
383 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
384 	.count = ARRAY_SIZE(channels_dmic),
385 	.list = channels_dmic,
386 	.mask = 0,
387 };
388 
389 static const unsigned int dmic_2ch[] = {
390 	2,
391 };
392 
393 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
394 	.count = ARRAY_SIZE(dmic_2ch),
395 	.list = dmic_2ch,
396 	.mask = 0,
397 };
398 
399 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
400 {
401 	struct snd_pcm_runtime *runtime = substream->runtime;
402 
403 	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
404 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
405 			dmic_constraints);
406 
407 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
408 			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
409 }
410 
411 static const struct snd_soc_ops skylake_dmic_ops = {
412 	.startup = skylake_dmic_startup,
413 };
414 
415 static const unsigned int rates_16000[] = {
416 	16000,
417 };
418 
419 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
420 	.count = ARRAY_SIZE(rates_16000),
421 	.list  = rates_16000,
422 };
423 
424 static const unsigned int ch_mono[] = {
425 	1,
426 };
427 
428 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
429 	.count = ARRAY_SIZE(ch_mono),
430 	.list  = ch_mono,
431 };
432 
433 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
434 {
435 	substream->runtime->hw.channels_max = 1;
436 	snd_pcm_hw_constraint_list(substream->runtime, 0,
437 					SNDRV_PCM_HW_PARAM_CHANNELS,
438 					&constraints_refcap);
439 
440 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
441 			SNDRV_PCM_HW_PARAM_RATE,
442 			&constraints_16000);
443 }
444 
445 static const struct snd_soc_ops skylake_refcap_ops = {
446 	.startup = skylake_refcap_startup,
447 };
448 
449 SND_SOC_DAILINK_DEF(dummy,
450 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
451 
452 SND_SOC_DAILINK_DEF(system,
453 	DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
454 
455 SND_SOC_DAILINK_DEF(reference,
456 	DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
457 
458 SND_SOC_DAILINK_DEF(dmic,
459 	DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
460 
461 SND_SOC_DAILINK_DEF(hdmi1,
462 	DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
463 
464 SND_SOC_DAILINK_DEF(hdmi2,
465 	DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
466 
467 SND_SOC_DAILINK_DEF(hdmi3,
468 	DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
469 
470 SND_SOC_DAILINK_DEF(ssp0_pin,
471 	DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
472 SND_SOC_DAILINK_DEF(ssp0_codec,
473 	DAILINK_COMP_ARRAY(
474 	/* Left */	COMP_CODEC("i2c-INT343B:00", SKL_SSM_CODEC_DAI),
475 	/* Right */	COMP_CODEC("i2c-INT343B:01", SKL_SSM_CODEC_DAI)));
476 
477 SND_SOC_DAILINK_DEF(ssp1_pin,
478 	DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
479 SND_SOC_DAILINK_DEF(ssp1_codec,
480 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00", SKL_NUVOTON_CODEC_DAI)));
481 
482 SND_SOC_DAILINK_DEF(dmic01_pin,
483 	DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
484 SND_SOC_DAILINK_DEF(dmic_codec,
485 	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
486 
487 SND_SOC_DAILINK_DEF(idisp1_pin,
488 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
489 SND_SOC_DAILINK_DEF(idisp1_codec,
490 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
491 
492 SND_SOC_DAILINK_DEF(idisp2_pin,
493 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
494 SND_SOC_DAILINK_DEF(idisp2_codec,
495 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
496 
497 SND_SOC_DAILINK_DEF(idisp3_pin,
498 	DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
499 SND_SOC_DAILINK_DEF(idisp3_codec,
500 	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
501 
502 SND_SOC_DAILINK_DEF(platform,
503 	DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
504 
505 /* skylake digital audio interface glue - connects codec <--> CPU */
506 static struct snd_soc_dai_link skylake_dais[] = {
507 	/* Front End DAI links */
508 	[SKL_DPCM_AUDIO_PB] = {
509 		.name = "Skl Audio Port",
510 		.stream_name = "Audio",
511 		.dynamic = 1,
512 		.nonatomic = 1,
513 		.init = skylake_nau8825_fe_init,
514 		.trigger = {
515 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
516 		.dpcm_playback = 1,
517 		.ops = &skylake_nau8825_fe_ops,
518 		SND_SOC_DAILINK_REG(system, dummy, platform),
519 	},
520 	[SKL_DPCM_AUDIO_CP] = {
521 		.name = "Skl Audio Capture Port",
522 		.stream_name = "Audio Record",
523 		.dynamic = 1,
524 		.nonatomic = 1,
525 		.trigger = {
526 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
527 		.dpcm_capture = 1,
528 		.ops = &skylake_nau8825_fe_ops,
529 		SND_SOC_DAILINK_REG(system, dummy, platform),
530 	},
531 	[SKL_DPCM_AUDIO_REF_CP] = {
532 		.name = "Skl Audio Reference cap",
533 		.stream_name = "Wake on Voice",
534 		.init = NULL,
535 		.dpcm_capture = 1,
536 		.nonatomic = 1,
537 		.dynamic = 1,
538 		.ops = &skylake_refcap_ops,
539 		SND_SOC_DAILINK_REG(reference, dummy, platform),
540 	},
541 	[SKL_DPCM_AUDIO_DMIC_CP] = {
542 		.name = "Skl Audio DMIC cap",
543 		.stream_name = "dmiccap",
544 		.init = NULL,
545 		.dpcm_capture = 1,
546 		.nonatomic = 1,
547 		.dynamic = 1,
548 		.ops = &skylake_dmic_ops,
549 		SND_SOC_DAILINK_REG(dmic, dummy, platform),
550 	},
551 	[SKL_DPCM_AUDIO_HDMI1_PB] = {
552 		.name = "Skl HDMI Port1",
553 		.stream_name = "Hdmi1",
554 		.dpcm_playback = 1,
555 		.init = NULL,
556 		.trigger = {
557 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
558 		.nonatomic = 1,
559 		.dynamic = 1,
560 		SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
561 	},
562 	[SKL_DPCM_AUDIO_HDMI2_PB] = {
563 		.name = "Skl HDMI Port2",
564 		.stream_name = "Hdmi2",
565 		.dpcm_playback = 1,
566 		.init = NULL,
567 		.trigger = {
568 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
569 		.nonatomic = 1,
570 		.dynamic = 1,
571 		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
572 	},
573 	[SKL_DPCM_AUDIO_HDMI3_PB] = {
574 		.name = "Skl HDMI Port3",
575 		.stream_name = "Hdmi3",
576 		.trigger = {
577 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
578 		.dpcm_playback = 1,
579 		.init = NULL,
580 		.nonatomic = 1,
581 		.dynamic = 1,
582 		SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
583 	},
584 
585 	/* Back End DAI links */
586 	{
587 		/* SSP0 - Codec */
588 		.name = "SSP0-Codec",
589 		.id = 0,
590 		.no_pcm = 1,
591 		.dai_fmt = SND_SOC_DAIFMT_DSP_A |
592 			SND_SOC_DAIFMT_IB_NF |
593 			SND_SOC_DAIFMT_CBC_CFC,
594 		.init = skylake_ssm4567_codec_init,
595 		.ignore_pmdown_time = 1,
596 		.be_hw_params_fixup = skylake_ssp_fixup,
597 		.dpcm_playback = 1,
598 		.dpcm_capture = 1,
599 		SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
600 	},
601 	{
602 		/* SSP1 - Codec */
603 		.name = "SSP1-Codec",
604 		.id = 1,
605 		.no_pcm = 1,
606 		.init = skylake_nau8825_codec_init,
607 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
608 			SND_SOC_DAIFMT_CBC_CFC,
609 		.ignore_pmdown_time = 1,
610 		.be_hw_params_fixup = skylake_ssp_fixup,
611 		.ops = &skylake_nau8825_ops,
612 		.dpcm_playback = 1,
613 		.dpcm_capture = 1,
614 		SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
615 	},
616 	{
617 		.name = "dmic01",
618 		.id = 2,
619 		.ignore_suspend = 1,
620 		.be_hw_params_fixup = skylake_dmic_fixup,
621 		.dpcm_capture = 1,
622 		.no_pcm = 1,
623 		SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
624 	},
625 	{
626 		.name = "iDisp1",
627 		.id = 3,
628 		.dpcm_playback = 1,
629 		.init = skylake_hdmi1_init,
630 		.no_pcm = 1,
631 		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
632 	},
633 	{
634 		.name = "iDisp2",
635 		.id = 4,
636 		.init = skylake_hdmi2_init,
637 		.dpcm_playback = 1,
638 		.no_pcm = 1,
639 		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
640 	},
641 	{
642 		.name = "iDisp3",
643 		.id = 5,
644 		.init = skylake_hdmi3_init,
645 		.dpcm_playback = 1,
646 		.no_pcm = 1,
647 		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
648 	},
649 };
650 
651 #define NAME_SIZE	32
652 static int skylake_card_late_probe(struct snd_soc_card *card)
653 {
654 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(card);
655 	struct skl_hdmi_pcm *pcm;
656 	struct snd_soc_component *component = NULL;
657 	int err, i = 0;
658 	char jack_name[NAME_SIZE];
659 
660 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
661 		component = pcm->codec_dai->component;
662 		snprintf(jack_name, sizeof(jack_name),
663 			"HDMI/DP, pcm=%d Jack", pcm->device);
664 		err = snd_soc_card_jack_new(card, jack_name,
665 					SND_JACK_AVOUT,
666 					&skylake_hdmi[i]);
667 
668 		if (err)
669 			return err;
670 
671 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
672 						&skylake_hdmi[i]);
673 		if (err < 0)
674 			return err;
675 
676 		i++;
677 	}
678 
679 	if (!component)
680 		return -EINVAL;
681 
682 	return hdac_hdmi_jack_port_init(component, &card->dapm);
683 }
684 
685 /* skylake audio machine driver for SPT + NAU88L25 */
686 static struct snd_soc_card skylake_audio_card = {
687 	.name = "sklnau8825adi",
688 	.owner = THIS_MODULE,
689 	.dai_link = skylake_dais,
690 	.num_links = ARRAY_SIZE(skylake_dais),
691 	.controls = skylake_controls,
692 	.num_controls = ARRAY_SIZE(skylake_controls),
693 	.dapm_widgets = skylake_widgets,
694 	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
695 	.dapm_routes = skylake_map,
696 	.num_dapm_routes = ARRAY_SIZE(skylake_map),
697 	.codec_conf = ssm4567_codec_conf,
698 	.num_configs = ARRAY_SIZE(ssm4567_codec_conf),
699 	.fully_routed = true,
700 	.disable_route_checks = true,
701 	.late_probe = skylake_card_late_probe,
702 };
703 
704 static int skylake_audio_probe(struct platform_device *pdev)
705 {
706 	struct skl_nau88125_private *ctx;
707 	struct snd_soc_acpi_mach *mach;
708 
709 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
710 	if (!ctx)
711 		return -ENOMEM;
712 
713 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
714 
715 	skylake_audio_card.dev = &pdev->dev;
716 	snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
717 
718 	mach = pdev->dev.platform_data;
719 	if (mach)
720 		dmic_constraints = mach->mach_params.dmic_num == 2 ?
721 			&constraints_dmic_2ch : &constraints_dmic_channels;
722 
723 	return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
724 }
725 
726 static const struct platform_device_id skl_board_ids[] = {
727 	{ .name = "skl_n88l25_s4567" },
728 	{ .name = "kbl_n88l25_s4567" },
729 	{ }
730 };
731 MODULE_DEVICE_TABLE(platform, skl_board_ids);
732 
733 static struct platform_driver skylake_audio = {
734 	.probe = skylake_audio_probe,
735 	.driver = {
736 		.name = "skl_n88l25_s4567",
737 		.pm = &snd_soc_pm_ops,
738 	},
739 	.id_table = skl_board_ids,
740 };
741 
742 module_platform_driver(skylake_audio)
743 
744 /* Module information */
745 MODULE_AUTHOR("Conrad Cooke  <conrad.cooke@intel.com>");
746 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
747 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
748 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
749 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
750 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
751 MODULE_LICENSE("GPL v2");
752