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
24static struct snd_soc_jack skylake_headset;
25static struct snd_soc_card skylake_audio_card;
26static const struct snd_pcm_hw_constraint_list *dmic_constraints;
27static struct snd_soc_jack skylake_hdmi[3];
28
29struct skl_hdmi_pcm {
30	struct list_head head;
31	struct snd_soc_dai *codec_dai;
32	int device;
33};
34
35struct skl_nau8825_private {
36	struct list_head hdmi_pcm_list;
37};
38
39enum {
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
49static 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
82static 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
88static 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
100static struct snd_soc_jack_pin jack_pins[] = {
101	{
102		.pin    = "Headphone Jack",
103		.mask   = SND_JACK_HEADPHONE,
104	},
105	{
106		.pin    = "Headset Mic",
107		.mask   = SND_JACK_MICROPHONE,
108	},
109};
110
111static const struct snd_soc_dapm_route skylake_map[] = {
112	/* HP jack connectors - unknown if we have jack detection */
113	{ "Headphone Jack", NULL, "HPOL" },
114	{ "Headphone Jack", NULL, "HPOR" },
115
116	/* speaker */
117	{ "Spk", NULL, "Speaker" },
118
119	/* other jacks */
120	{ "MIC", NULL, "Headset Mic" },
121	{ "DMic", NULL, "SoC DMIC" },
122
123	/* CODEC BE connections */
124	{ "HiFi Playback", NULL, "ssp0 Tx" },
125	{ "ssp0 Tx", NULL, "codec0_out" },
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
148static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
149	struct snd_pcm_hw_params *params)
150{
151	struct snd_interval *rate = hw_param_interval(params,
152			SNDRV_PCM_HW_PARAM_RATE);
153	struct snd_interval *chan = hw_param_interval(params,
154			SNDRV_PCM_HW_PARAM_CHANNELS);
155	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
156
157	/* The ADSP will convert the FE rate to 48k, stereo */
158	rate->min = rate->max = 48000;
159	chan->min = chan->max = 2;
160
161	/* set SSP0 to 24 bit */
162	snd_mask_none(fmt);
163	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
164
165	return 0;
166}
167
168static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
169{
170	int ret;
171	struct snd_soc_component *component = snd_soc_rtd_to_codec(rtd, 0)->component;
172
173	/*
174	 * Headset buttons map to the google Reference headset.
175	 * These can be configured by userspace.
176	 */
177	ret = snd_soc_card_jack_new_pins(&skylake_audio_card, "Headset Jack",
178					 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
179					 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
180					 jack_pins,
181					 ARRAY_SIZE(jack_pins));
182	if (ret) {
183		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
184		return ret;
185	}
186
187	nau8825_enable_jack_detect(component, &skylake_headset);
188
189	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
190
191	return ret;
192}
193
194static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
195{
196	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
197	struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
198	struct skl_hdmi_pcm *pcm;
199
200	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
201	if (!pcm)
202		return -ENOMEM;
203
204	pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
205	pcm->codec_dai = dai;
206
207	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
208
209	return 0;
210}
211
212static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
213{
214	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
215	struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
216	struct skl_hdmi_pcm *pcm;
217
218	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
219	if (!pcm)
220		return -ENOMEM;
221
222	pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
223	pcm->codec_dai = dai;
224
225	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
226
227	return 0;
228}
229
230static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
231{
232	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
233	struct snd_soc_dai *dai = snd_soc_rtd_to_codec(rtd, 0);
234	struct skl_hdmi_pcm *pcm;
235
236	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
237	if (!pcm)
238		return -ENOMEM;
239
240	pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
241	pcm->codec_dai = dai;
242
243	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
244
245	return 0;
246}
247
248static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
249{
250	struct snd_soc_dapm_context *dapm;
251	struct snd_soc_component *component = snd_soc_rtd_to_cpu(rtd, 0)->component;
252
253	dapm = snd_soc_component_get_dapm(component);
254	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
255
256	return 0;
257}
258
259static const unsigned int rates[] = {
260	48000,
261};
262
263static const struct snd_pcm_hw_constraint_list constraints_rates = {
264	.count = ARRAY_SIZE(rates),
265	.list  = rates,
266	.mask = 0,
267};
268
269static const unsigned int channels[] = {
270	2,
271};
272
273static const struct snd_pcm_hw_constraint_list constraints_channels = {
274	.count = ARRAY_SIZE(channels),
275	.list = channels,
276	.mask = 0,
277};
278
279static int skl_fe_startup(struct snd_pcm_substream *substream)
280{
281	struct snd_pcm_runtime *runtime = substream->runtime;
282
283	/*
284	 * On this platform for PCM device we support,
285	 * 48Khz
286	 * stereo
287	 * 16 bit audio
288	 */
289
290	runtime->hw.channels_max = 2;
291	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
292					   &constraints_channels);
293
294	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
295	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
296
297	snd_pcm_hw_constraint_list(runtime, 0,
298				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
299
300	return 0;
301}
302
303static const struct snd_soc_ops skylake_nau8825_fe_ops = {
304	.startup = skl_fe_startup,
305};
306
307static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
308	struct snd_pcm_hw_params *params)
309{
310	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
311	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
312	int ret;
313
314	ret = snd_soc_dai_set_sysclk(codec_dai,
315			NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
316
317	if (ret < 0)
318		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
319
320	return ret;
321}
322
323static const struct snd_soc_ops skylake_nau8825_ops = {
324	.hw_params = skylake_nau8825_hw_params,
325};
326
327static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
328		struct snd_pcm_hw_params *params)
329{
330	struct snd_interval *chan = hw_param_interval(params,
331				SNDRV_PCM_HW_PARAM_CHANNELS);
332
333	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
334		chan->min = chan->max = 2;
335	else
336		chan->min = chan->max = 4;
337
338	return 0;
339}
340
341static const unsigned int channels_dmic[] = {
342	2, 4,
343};
344
345static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
346	.count = ARRAY_SIZE(channels_dmic),
347	.list = channels_dmic,
348	.mask = 0,
349};
350
351static const unsigned int dmic_2ch[] = {
352	2,
353};
354
355static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
356	.count = ARRAY_SIZE(dmic_2ch),
357	.list = dmic_2ch,
358	.mask = 0,
359};
360
361static int skylake_dmic_startup(struct snd_pcm_substream *substream)
362{
363	struct snd_pcm_runtime *runtime = substream->runtime;
364
365	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
366	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
367			dmic_constraints);
368
369	return snd_pcm_hw_constraint_list(substream->runtime, 0,
370			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
371}
372
373static const struct snd_soc_ops skylake_dmic_ops = {
374	.startup = skylake_dmic_startup,
375};
376
377static const unsigned int rates_16000[] = {
378	16000,
379};
380
381static const struct snd_pcm_hw_constraint_list constraints_16000 = {
382	.count = ARRAY_SIZE(rates_16000),
383	.list  = rates_16000,
384};
385
386static const unsigned int ch_mono[] = {
387	1,
388};
389
390static const struct snd_pcm_hw_constraint_list constraints_refcap = {
391	.count = ARRAY_SIZE(ch_mono),
392	.list  = ch_mono,
393};
394
395static int skylake_refcap_startup(struct snd_pcm_substream *substream)
396{
397	substream->runtime->hw.channels_max = 1;
398	snd_pcm_hw_constraint_list(substream->runtime, 0,
399					SNDRV_PCM_HW_PARAM_CHANNELS,
400					&constraints_refcap);
401
402	return snd_pcm_hw_constraint_list(substream->runtime, 0,
403				SNDRV_PCM_HW_PARAM_RATE,
404				&constraints_16000);
405}
406
407static const struct snd_soc_ops skylake_refcap_ops = {
408	.startup = skylake_refcap_startup,
409};
410
411SND_SOC_DAILINK_DEF(dummy,
412	DAILINK_COMP_ARRAY(COMP_DUMMY()));
413
414SND_SOC_DAILINK_DEF(system,
415	DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
416
417SND_SOC_DAILINK_DEF(reference,
418	DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
419
420SND_SOC_DAILINK_DEF(dmic,
421	DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
422
423SND_SOC_DAILINK_DEF(hdmi1,
424	DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
425
426SND_SOC_DAILINK_DEF(hdmi2,
427	DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
428
429SND_SOC_DAILINK_DEF(hdmi3,
430	DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
431
432SND_SOC_DAILINK_DEF(ssp0_pin,
433	DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
434SND_SOC_DAILINK_DEF(ssp0_codec,
435	DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", SKL_MAXIM_CODEC_DAI)));
436
437SND_SOC_DAILINK_DEF(ssp1_pin,
438	DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
439SND_SOC_DAILINK_DEF(ssp1_codec,
440	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00",
441				      SKL_NUVOTON_CODEC_DAI)));
442
443SND_SOC_DAILINK_DEF(dmic_pin,
444	DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
445SND_SOC_DAILINK_DEF(dmic_codec,
446	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
447
448SND_SOC_DAILINK_DEF(idisp1_pin,
449	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
450SND_SOC_DAILINK_DEF(idisp1_codec,
451	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
452
453SND_SOC_DAILINK_DEF(idisp2_pin,
454	DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
455SND_SOC_DAILINK_DEF(idisp2_codec,
456	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
457
458SND_SOC_DAILINK_DEF(idisp3_pin,
459	DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
460SND_SOC_DAILINK_DEF(idisp3_codec,
461	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
462
463SND_SOC_DAILINK_DEF(platform,
464	DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
465
466/* skylake digital audio interface glue - connects codec <--> CPU */
467static struct snd_soc_dai_link skylake_dais[] = {
468	/* Front End DAI links */
469	[SKL_DPCM_AUDIO_PB] = {
470		.name = "Skl Audio Port",
471		.stream_name = "Audio",
472		.dynamic = 1,
473		.nonatomic = 1,
474		.init = skylake_nau8825_fe_init,
475		.trigger = {
476			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
477		.dpcm_playback = 1,
478		.ops = &skylake_nau8825_fe_ops,
479		SND_SOC_DAILINK_REG(system, dummy, platform),
480	},
481	[SKL_DPCM_AUDIO_CP] = {
482		.name = "Skl Audio Capture Port",
483		.stream_name = "Audio Record",
484		.dynamic = 1,
485		.nonatomic = 1,
486		.trigger = {
487			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
488		.dpcm_capture = 1,
489		.ops = &skylake_nau8825_fe_ops,
490		SND_SOC_DAILINK_REG(system, dummy, platform),
491	},
492	[SKL_DPCM_AUDIO_REF_CP] = {
493		.name = "Skl Audio Reference cap",
494		.stream_name = "Wake on Voice",
495		.init = NULL,
496		.dpcm_capture = 1,
497		.nonatomic = 1,
498		.dynamic = 1,
499		.ops = &skylake_refcap_ops,
500		SND_SOC_DAILINK_REG(reference, dummy, platform),
501	},
502	[SKL_DPCM_AUDIO_DMIC_CP] = {
503		.name = "Skl Audio DMIC cap",
504		.stream_name = "dmiccap",
505		.init = NULL,
506		.dpcm_capture = 1,
507		.nonatomic = 1,
508		.dynamic = 1,
509		.ops = &skylake_dmic_ops,
510		SND_SOC_DAILINK_REG(dmic, dummy, platform),
511	},
512	[SKL_DPCM_AUDIO_HDMI1_PB] = {
513		.name = "Skl HDMI Port1",
514		.stream_name = "Hdmi1",
515		.dpcm_playback = 1,
516		.init = NULL,
517		.trigger = {
518			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
519		.nonatomic = 1,
520		.dynamic = 1,
521		SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
522	},
523	[SKL_DPCM_AUDIO_HDMI2_PB] = {
524		.name = "Skl HDMI Port2",
525		.stream_name = "Hdmi2",
526		.dpcm_playback = 1,
527		.init = NULL,
528		.trigger = {
529			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
530		.nonatomic = 1,
531		.dynamic = 1,
532		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
533	},
534	[SKL_DPCM_AUDIO_HDMI3_PB] = {
535		.name = "Skl HDMI Port3",
536		.stream_name = "Hdmi3",
537		.trigger = {
538			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
539		.dpcm_playback = 1,
540		.init = NULL,
541		.nonatomic = 1,
542		.dynamic = 1,
543		SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
544	},
545
546	/* Back End DAI links */
547	{
548		/* SSP0 - Codec */
549		.name = "SSP0-Codec",
550		.id = 0,
551		.no_pcm = 1,
552		.dai_fmt = SND_SOC_DAIFMT_I2S |
553			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		.dpcm_playback = 1,
558		SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
559	},
560	{
561		/* SSP1 - Codec */
562		.name = "SSP1-Codec",
563		.id = 1,
564		.no_pcm = 1,
565		.init = skylake_nau8825_codec_init,
566		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
567			SND_SOC_DAIFMT_CBC_CFC,
568		.ignore_pmdown_time = 1,
569		.be_hw_params_fixup = skylake_ssp_fixup,
570		.ops = &skylake_nau8825_ops,
571		.dpcm_playback = 1,
572		.dpcm_capture = 1,
573		SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
574	},
575	{
576		.name = "dmic01",
577		.id = 2,
578		.be_hw_params_fixup = skylake_dmic_fixup,
579		.ignore_suspend = 1,
580		.dpcm_capture = 1,
581		.no_pcm = 1,
582		SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
583	},
584	{
585		.name = "iDisp1",
586		.id = 3,
587		.dpcm_playback = 1,
588		.init = skylake_hdmi1_init,
589		.no_pcm = 1,
590		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
591	},
592	{
593		.name = "iDisp2",
594		.id = 4,
595		.init = skylake_hdmi2_init,
596		.dpcm_playback = 1,
597		.no_pcm = 1,
598		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
599	},
600	{
601		.name = "iDisp3",
602		.id = 5,
603		.init = skylake_hdmi3_init,
604		.dpcm_playback = 1,
605		.no_pcm = 1,
606		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
607	},
608};
609
610#define NAME_SIZE	32
611static int skylake_card_late_probe(struct snd_soc_card *card)
612{
613	struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card);
614	struct skl_hdmi_pcm *pcm;
615	struct snd_soc_component *component = NULL;
616	int err, i = 0;
617	char jack_name[NAME_SIZE];
618
619	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
620		component = pcm->codec_dai->component;
621		snprintf(jack_name, sizeof(jack_name),
622			"HDMI/DP, pcm=%d Jack", pcm->device);
623		err = snd_soc_card_jack_new(card, jack_name,
624					SND_JACK_AVOUT,
625					&skylake_hdmi[i]);
626
627		if (err)
628			return err;
629
630		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
631						&skylake_hdmi[i]);
632		if (err < 0)
633			return err;
634
635		i++;
636	}
637
638	if (!component)
639		return -EINVAL;
640
641	return hdac_hdmi_jack_port_init(component, &card->dapm);
642}
643
644/* skylake audio machine driver for SPT + NAU88L25 */
645static struct snd_soc_card skylake_audio_card = {
646	.name = "sklnau8825max",
647	.owner = THIS_MODULE,
648	.dai_link = skylake_dais,
649	.num_links = ARRAY_SIZE(skylake_dais),
650	.controls = skylake_controls,
651	.num_controls = ARRAY_SIZE(skylake_controls),
652	.dapm_widgets = skylake_widgets,
653	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
654	.dapm_routes = skylake_map,
655	.num_dapm_routes = ARRAY_SIZE(skylake_map),
656	.fully_routed = true,
657	.late_probe = skylake_card_late_probe,
658};
659
660static int skylake_audio_probe(struct platform_device *pdev)
661{
662	struct skl_nau8825_private *ctx;
663	struct snd_soc_acpi_mach *mach;
664
665	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
666	if (!ctx)
667		return -ENOMEM;
668
669	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
670
671	skylake_audio_card.dev = &pdev->dev;
672	snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
673
674	mach = pdev->dev.platform_data;
675	if (mach)
676		dmic_constraints = mach->mach_params.dmic_num == 2 ?
677			&constraints_dmic_2ch : &constraints_dmic_channels;
678
679	return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
680}
681
682static const struct platform_device_id skl_board_ids[] = {
683	{ .name = "skl_n88l25_m98357a" },
684	{ .name = "kbl_n88l25_m98357a" },
685	{ }
686};
687MODULE_DEVICE_TABLE(platform, skl_board_ids);
688
689static struct platform_driver skylake_audio = {
690	.probe = skylake_audio_probe,
691	.driver = {
692		.name = "skl_n88l25_m98357a",
693		.pm = &snd_soc_pm_ops,
694	},
695	.id_table = skl_board_ids,
696};
697
698module_platform_driver(skylake_audio)
699
700/* Module information */
701MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
702MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
703MODULE_LICENSE("GPL v2");
704