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