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1 /*
2  * Intel Skylake I2S Machine Driver for NAU88L25+SSM4567
3  *
4  * Copyright (C) 2015, Intel Corporation. All rights reserved.
5  *
6  * Modified from:
7  *   Intel Skylake I2S Machine Driver for NAU88L25 and SSM4567
8  *
9  *   Copyright (C) 2015, Intel Corporation. All rights reserved.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License version
13  * 2 as published by the Free Software Foundation.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  */
20 
21 #include <linux/module.h>
22 #include <linux/platform_device.h>
23 #include <sound/core.h>
24 #include <sound/pcm.h>
25 #include <sound/soc.h>
26 #include <sound/jack.h>
27 #include <sound/pcm_params.h>
28 #include "../../codecs/nau8825.h"
29 #include "../../codecs/hdac_hdmi.h"
30 #include "../skylake/skl.h"
31 
32 #define SKL_NUVOTON_CODEC_DAI	"nau8825-hifi"
33 #define SKL_SSM_CODEC_DAI	"ssm4567-hifi"
34 #define DMIC_CH(p)     p->list[p->count-1]
35 
36 static struct snd_soc_jack skylake_headset;
37 static struct snd_soc_card skylake_audio_card;
38 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
39 
40 struct skl_hdmi_pcm {
41 	struct list_head head;
42 	struct snd_soc_dai *codec_dai;
43 	int device;
44 };
45 
46 struct skl_nau88125_private {
47 	struct list_head hdmi_pcm_list;
48 };
49 enum {
50 	SKL_DPCM_AUDIO_PB = 0,
51 	SKL_DPCM_AUDIO_CP,
52 	SKL_DPCM_AUDIO_REF_CP,
53 	SKL_DPCM_AUDIO_DMIC_CP,
54 	SKL_DPCM_AUDIO_HDMI1_PB,
55 	SKL_DPCM_AUDIO_HDMI2_PB,
56 	SKL_DPCM_AUDIO_HDMI3_PB,
57 };
58 
skl_get_codec_dai(struct snd_soc_card * card)59 static inline struct snd_soc_dai *skl_get_codec_dai(struct snd_soc_card *card)
60 {
61 	struct snd_soc_pcm_runtime *rtd;
62 
63 	list_for_each_entry(rtd, &card->rtd_list, list) {
64 
65 		if (!strncmp(rtd->codec_dai->name, SKL_NUVOTON_CODEC_DAI,
66 			     strlen(SKL_NUVOTON_CODEC_DAI)))
67 			return rtd->codec_dai;
68 	}
69 
70 	return NULL;
71 }
72 
73 static const struct snd_kcontrol_new skylake_controls[] = {
74 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
75 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
76 	SOC_DAPM_PIN_SWITCH("Left Speaker"),
77 	SOC_DAPM_PIN_SWITCH("Right Speaker"),
78 };
79 
platform_clock_control(struct snd_soc_dapm_widget * w,struct snd_kcontrol * k,int event)80 static int platform_clock_control(struct snd_soc_dapm_widget *w,
81 		struct snd_kcontrol *k, int  event)
82 {
83 	struct snd_soc_dapm_context *dapm = w->dapm;
84 	struct snd_soc_card *card = dapm->card;
85 	struct snd_soc_dai *codec_dai;
86 	int ret;
87 
88 	codec_dai = skl_get_codec_dai(card);
89 	if (!codec_dai) {
90 		dev_err(card->dev, "Codec dai not found\n");
91 		return -EIO;
92 	}
93 
94 	if (SND_SOC_DAPM_EVENT_ON(event)) {
95 		ret = snd_soc_dai_set_sysclk(codec_dai,
96 				NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
97 		if (ret < 0) {
98 			dev_err(card->dev, "set sysclk err = %d\n", ret);
99 			return -EIO;
100 		}
101 	} else {
102 		ret = snd_soc_dai_set_sysclk(codec_dai,
103 				NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
104 		if (ret < 0) {
105 			dev_err(card->dev, "set sysclk err = %d\n", ret);
106 			return -EIO;
107 		}
108 	}
109 	return ret;
110 }
111 
112 static const struct snd_soc_dapm_widget skylake_widgets[] = {
113 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
114 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
115 	SND_SOC_DAPM_SPK("Left Speaker", NULL),
116 	SND_SOC_DAPM_SPK("Right Speaker", NULL),
117 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
118 	SND_SOC_DAPM_SPK("DP", NULL),
119 	SND_SOC_DAPM_SPK("HDMI", NULL),
120 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
121 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
122 			SND_SOC_DAPM_POST_PMD),
123 };
124 
125 static const struct snd_soc_dapm_route skylake_map[] = {
126 	/* HP jack connectors - unknown if we have jack detection */
127 	{"Headphone Jack", NULL, "HPOL"},
128 	{"Headphone Jack", NULL, "HPOR"},
129 
130 	/* speaker */
131 	{"Left Speaker", NULL, "Left OUT"},
132 	{"Right Speaker", NULL, "Right OUT"},
133 
134 	/* other jacks */
135 	{"MIC", NULL, "Headset Mic"},
136 	{"DMic", NULL, "SoC DMIC"},
137 
138 	{"HDMI", NULL, "hif5 Output"},
139 	{"DP", NULL, "hif6 Output"},
140 	/* CODEC BE connections */
141 	{ "Left Playback", NULL, "ssp0 Tx"},
142 	{ "Right Playback", NULL, "ssp0 Tx"},
143 	{ "ssp0 Tx", NULL, "codec0_out"},
144 
145 	/* IV feedback path */
146 	{ "codec0_lp_in", NULL, "ssp0 Rx"},
147 	{ "ssp0 Rx", NULL, "Left Capture Sense" },
148 	{ "ssp0 Rx", NULL, "Right Capture Sense" },
149 
150 	{ "Playback", NULL, "ssp1 Tx"},
151 	{ "ssp1 Tx", NULL, "codec1_out"},
152 
153 	{ "codec0_in", NULL, "ssp1 Rx" },
154 	{ "ssp1 Rx", NULL, "Capture" },
155 
156 	/* DMIC */
157 	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
158 	{ "DMIC01 Rx", NULL, "DMIC AIF" },
159 
160 	{ "hifi3", NULL, "iDisp3 Tx"},
161 	{ "iDisp3 Tx", NULL, "iDisp3_out"},
162 	{ "hifi2", NULL, "iDisp2 Tx"},
163 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
164 	{ "hifi1", NULL, "iDisp1 Tx"},
165 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
166 
167 	{ "Headphone Jack", NULL, "Platform Clock" },
168 	{ "Headset Mic", NULL, "Platform Clock" },
169 };
170 
171 static struct snd_soc_codec_conf ssm4567_codec_conf[] = {
172 	{
173 		.dev_name = "i2c-INT343B:00",
174 		.name_prefix = "Left",
175 	},
176 	{
177 		.dev_name = "i2c-INT343B:01",
178 		.name_prefix = "Right",
179 	},
180 };
181 
182 static struct snd_soc_dai_link_component ssm4567_codec_components[] = {
183 	{ /* Left */
184 		.name = "i2c-INT343B:00",
185 		.dai_name = SKL_SSM_CODEC_DAI,
186 	},
187 	{ /* Right */
188 		.name = "i2c-INT343B:01",
189 		.dai_name = SKL_SSM_CODEC_DAI,
190 	},
191 };
192 
skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime * rtd)193 static int skylake_ssm4567_codec_init(struct snd_soc_pcm_runtime *rtd)
194 {
195 	int ret;
196 
197 	/* Slot 1 for left */
198 	ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[0], 0x01, 0x01, 2, 48);
199 	if (ret < 0)
200 		return ret;
201 
202 	/* Slot 2 for right */
203 	ret = snd_soc_dai_set_tdm_slot(rtd->codec_dais[1], 0x02, 0x02, 2, 48);
204 	if (ret < 0)
205 		return ret;
206 
207 	return ret;
208 }
209 
skylake_nau8825_codec_init(struct snd_soc_pcm_runtime * rtd)210 static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
211 {
212 	int ret;
213 	struct snd_soc_codec *codec = rtd->codec;
214 
215 	/*
216 	 * 4 buttons here map to the google Reference headset
217 	 * The use of these buttons can be decided by the user space.
218 	 */
219 	ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
220 		SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
221 		SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
222 		NULL, 0);
223 	if (ret) {
224 		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
225 		return ret;
226 	}
227 
228 	nau8825_enable_jack_detect(codec, &skylake_headset);
229 
230 	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
231 
232 	return ret;
233 }
234 
skylake_hdmi1_init(struct snd_soc_pcm_runtime * rtd)235 static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
236 {
237 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
238 	struct snd_soc_dai *dai = rtd->codec_dai;
239 	struct skl_hdmi_pcm *pcm;
240 
241 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
242 	if (!pcm)
243 		return -ENOMEM;
244 
245 	pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
246 	pcm->codec_dai = dai;
247 
248 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
249 
250 	return 0;
251 }
252 
skylake_hdmi2_init(struct snd_soc_pcm_runtime * rtd)253 static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
254 {
255 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
256 	struct snd_soc_dai *dai = rtd->codec_dai;
257 	struct skl_hdmi_pcm *pcm;
258 
259 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
260 	if (!pcm)
261 		return -ENOMEM;
262 
263 	pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
264 	pcm->codec_dai = dai;
265 
266 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
267 
268 	return 0;
269 }
270 
271 
skylake_hdmi3_init(struct snd_soc_pcm_runtime * rtd)272 static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
273 {
274 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(rtd->card);
275 	struct snd_soc_dai *dai = rtd->codec_dai;
276 	struct skl_hdmi_pcm *pcm;
277 
278 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
279 	if (!pcm)
280 		return -ENOMEM;
281 
282 	pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
283 	pcm->codec_dai = dai;
284 
285 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
286 
287 	return 0;
288 }
289 
skylake_nau8825_fe_init(struct snd_soc_pcm_runtime * rtd)290 static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
291 {
292 	struct snd_soc_dapm_context *dapm;
293 	struct snd_soc_component *component = rtd->cpu_dai->component;
294 
295 	dapm = snd_soc_component_get_dapm(component);
296 	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
297 
298 	return 0;
299 }
300 
301 static unsigned int rates[] = {
302 	48000,
303 };
304 
305 static struct snd_pcm_hw_constraint_list constraints_rates = {
306 	.count = ARRAY_SIZE(rates),
307 	.list  = rates,
308 	.mask = 0,
309 };
310 
311 static unsigned int channels[] = {
312 	2,
313 };
314 
315 static struct snd_pcm_hw_constraint_list constraints_channels = {
316 	.count = ARRAY_SIZE(channels),
317 	.list = channels,
318 	.mask = 0,
319 };
320 
skl_fe_startup(struct snd_pcm_substream * substream)321 static int skl_fe_startup(struct snd_pcm_substream *substream)
322 {
323 	struct snd_pcm_runtime *runtime = substream->runtime;
324 
325 	/*
326 	 * on this platform for PCM device we support,
327 	 *	48Khz
328 	 *	stereo
329 	 *	16 bit audio
330 	 */
331 
332 	runtime->hw.channels_max = 2;
333 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
334 					   &constraints_channels);
335 
336 	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
337 	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
338 
339 	snd_pcm_hw_constraint_list(runtime, 0,
340 				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
341 
342 	return 0;
343 }
344 
345 static const struct snd_soc_ops skylake_nau8825_fe_ops = {
346 	.startup = skl_fe_startup,
347 };
348 
skylake_ssp_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)349 static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
350 			struct snd_pcm_hw_params *params)
351 {
352 	struct snd_interval *rate = hw_param_interval(params,
353 			SNDRV_PCM_HW_PARAM_RATE);
354 	struct snd_interval *channels = hw_param_interval(params,
355 						SNDRV_PCM_HW_PARAM_CHANNELS);
356 	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
357 
358 	/* The ADSP will covert the FE rate to 48k, stereo */
359 	rate->min = rate->max = 48000;
360 	channels->min = channels->max = 2;
361 
362 	/* set SSP0 to 24 bit */
363 	snd_mask_none(fmt);
364 	snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
365 	return 0;
366 }
367 
skylake_dmic_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)368 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
369 			struct snd_pcm_hw_params *params)
370 {
371 	struct snd_interval *channels = hw_param_interval(params,
372 						SNDRV_PCM_HW_PARAM_CHANNELS);
373 	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
374 		channels->min = channels->max = 2;
375 	else
376 		channels->min = channels->max = 4;
377 
378 	return 0;
379 }
380 
skylake_nau8825_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)381 static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
382 	struct snd_pcm_hw_params *params)
383 {
384 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
385 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
386 	int ret;
387 
388 	ret = snd_soc_dai_set_sysclk(codec_dai,
389 			NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
390 
391 	if (ret < 0)
392 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
393 
394 	return ret;
395 }
396 
397 static struct snd_soc_ops skylake_nau8825_ops = {
398 	.hw_params = skylake_nau8825_hw_params,
399 };
400 
401 static unsigned int channels_dmic[] = {
402 	2, 4,
403 };
404 
405 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
406 	.count = ARRAY_SIZE(channels_dmic),
407 	.list = channels_dmic,
408 	.mask = 0,
409 };
410 
411 static const unsigned int dmic_2ch[] = {
412 	2,
413 };
414 
415 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
416 	.count = ARRAY_SIZE(dmic_2ch),
417 	.list = dmic_2ch,
418 	.mask = 0,
419 };
420 
skylake_dmic_startup(struct snd_pcm_substream * substream)421 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
422 {
423 	struct snd_pcm_runtime *runtime = substream->runtime;
424 
425 	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
426 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
427 			dmic_constraints);
428 
429 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
430 			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
431 }
432 
433 static struct snd_soc_ops skylake_dmic_ops = {
434 	.startup = skylake_dmic_startup,
435 };
436 
437 static unsigned int rates_16000[] = {
438 	16000,
439 };
440 
441 static struct snd_pcm_hw_constraint_list constraints_16000 = {
442 	.count = ARRAY_SIZE(rates_16000),
443 	.list  = rates_16000,
444 };
445 
446 static const unsigned int ch_mono[] = {
447 	1,
448 };
449 
450 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
451 	.count = ARRAY_SIZE(ch_mono),
452 	.list  = ch_mono,
453 };
454 
skylake_refcap_startup(struct snd_pcm_substream * substream)455 static int skylake_refcap_startup(struct snd_pcm_substream *substream)
456 {
457 	substream->runtime->hw.channels_max = 1;
458 	snd_pcm_hw_constraint_list(substream->runtime, 0,
459 					SNDRV_PCM_HW_PARAM_CHANNELS,
460 					&constraints_refcap);
461 
462 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
463 			SNDRV_PCM_HW_PARAM_RATE,
464 			&constraints_16000);
465 }
466 
467 static struct snd_soc_ops skylaye_refcap_ops = {
468 	.startup = skylake_refcap_startup,
469 };
470 
471 /* skylake digital audio interface glue - connects codec <--> CPU */
472 static struct snd_soc_dai_link skylake_dais[] = {
473 	/* Front End DAI links */
474 	[SKL_DPCM_AUDIO_PB] = {
475 		.name = "Skl Audio Port",
476 		.stream_name = "Audio",
477 		.cpu_dai_name = "System Pin",
478 		.platform_name = "0000:00:1f.3",
479 		.dynamic = 1,
480 		.codec_name = "snd-soc-dummy",
481 		.codec_dai_name = "snd-soc-dummy-dai",
482 		.nonatomic = 1,
483 		.init = skylake_nau8825_fe_init,
484 		.trigger = {
485 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
486 		.dpcm_playback = 1,
487 		.ops = &skylake_nau8825_fe_ops,
488 	},
489 	[SKL_DPCM_AUDIO_CP] = {
490 		.name = "Skl Audio Capture Port",
491 		.stream_name = "Audio Record",
492 		.cpu_dai_name = "System Pin",
493 		.platform_name = "0000:00:1f.3",
494 		.dynamic = 1,
495 		.codec_name = "snd-soc-dummy",
496 		.codec_dai_name = "snd-soc-dummy-dai",
497 		.nonatomic = 1,
498 		.trigger = {
499 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
500 		.dpcm_capture = 1,
501 		.ops = &skylake_nau8825_fe_ops,
502 	},
503 	[SKL_DPCM_AUDIO_REF_CP] = {
504 		.name = "Skl Audio Reference cap",
505 		.stream_name = "Wake on Voice",
506 		.cpu_dai_name = "Reference Pin",
507 		.codec_name = "snd-soc-dummy",
508 		.codec_dai_name = "snd-soc-dummy-dai",
509 		.platform_name = "0000:00:1f.3",
510 		.init = NULL,
511 		.dpcm_capture = 1,
512 		.nonatomic = 1,
513 		.dynamic = 1,
514 		.ops = &skylaye_refcap_ops,
515 	},
516 	[SKL_DPCM_AUDIO_DMIC_CP] = {
517 		.name = "Skl Audio DMIC cap",
518 		.stream_name = "dmiccap",
519 		.cpu_dai_name = "DMIC Pin",
520 		.codec_name = "snd-soc-dummy",
521 		.codec_dai_name = "snd-soc-dummy-dai",
522 		.platform_name = "0000:00:1f.3",
523 		.init = NULL,
524 		.dpcm_capture = 1,
525 		.nonatomic = 1,
526 		.dynamic = 1,
527 		.ops = &skylake_dmic_ops,
528 	},
529 	[SKL_DPCM_AUDIO_HDMI1_PB] = {
530 		.name = "Skl HDMI Port1",
531 		.stream_name = "Hdmi1",
532 		.cpu_dai_name = "HDMI1 Pin",
533 		.codec_name = "snd-soc-dummy",
534 		.codec_dai_name = "snd-soc-dummy-dai",
535 		.platform_name = "0000:00:1f.3",
536 		.dpcm_playback = 1,
537 		.init = NULL,
538 		.trigger = {
539 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
540 		.nonatomic = 1,
541 		.dynamic = 1,
542 	},
543 	[SKL_DPCM_AUDIO_HDMI2_PB] = {
544 		.name = "Skl HDMI Port2",
545 		.stream_name = "Hdmi2",
546 		.cpu_dai_name = "HDMI2 Pin",
547 		.codec_name = "snd-soc-dummy",
548 		.codec_dai_name = "snd-soc-dummy-dai",
549 		.platform_name = "0000:00:1f.3",
550 		.dpcm_playback = 1,
551 		.init = NULL,
552 		.trigger = {
553 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
554 		.nonatomic = 1,
555 		.dynamic = 1,
556 	},
557 	[SKL_DPCM_AUDIO_HDMI3_PB] = {
558 		.name = "Skl HDMI Port3",
559 		.stream_name = "Hdmi3",
560 		.cpu_dai_name = "HDMI3 Pin",
561 		.codec_name = "snd-soc-dummy",
562 		.codec_dai_name = "snd-soc-dummy-dai",
563 		.platform_name = "0000:00:1f.3",
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 	},
571 
572 	/* Back End DAI links */
573 	{
574 		/* SSP0 - Codec */
575 		.name = "SSP0-Codec",
576 		.id = 0,
577 		.cpu_dai_name = "SSP0 Pin",
578 		.platform_name = "0000:00:1f.3",
579 		.no_pcm = 1,
580 		.codecs = ssm4567_codec_components,
581 		.num_codecs = ARRAY_SIZE(ssm4567_codec_components),
582 		.dai_fmt = SND_SOC_DAIFMT_DSP_A |
583 			SND_SOC_DAIFMT_IB_NF |
584 			SND_SOC_DAIFMT_CBS_CFS,
585 		.init = skylake_ssm4567_codec_init,
586 		.ignore_pmdown_time = 1,
587 		.be_hw_params_fixup = skylake_ssp_fixup,
588 		.dpcm_playback = 1,
589 		.dpcm_capture = 1,
590 	},
591 	{
592 		/* SSP1 - Codec */
593 		.name = "SSP1-Codec",
594 		.id = 1,
595 		.cpu_dai_name = "SSP1 Pin",
596 		.platform_name = "0000:00:1f.3",
597 		.no_pcm = 1,
598 		.codec_name = "i2c-10508825:00",
599 		.codec_dai_name = SKL_NUVOTON_CODEC_DAI,
600 		.init = skylake_nau8825_codec_init,
601 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
602 			SND_SOC_DAIFMT_CBS_CFS,
603 		.ignore_pmdown_time = 1,
604 		.be_hw_params_fixup = skylake_ssp_fixup,
605 		.ops = &skylake_nau8825_ops,
606 		.dpcm_playback = 1,
607 		.dpcm_capture = 1,
608 	},
609 	{
610 		.name = "dmic01",
611 		.id = 2,
612 		.cpu_dai_name = "DMIC01 Pin",
613 		.codec_name = "dmic-codec",
614 		.codec_dai_name = "dmic-hifi",
615 		.platform_name = "0000:00:1f.3",
616 		.ignore_suspend = 1,
617 		.be_hw_params_fixup = skylake_dmic_fixup,
618 		.dpcm_capture = 1,
619 		.no_pcm = 1,
620 	},
621 	{
622 		.name = "iDisp1",
623 		.id = 3,
624 		.cpu_dai_name = "iDisp1 Pin",
625 		.codec_name = "ehdaudio0D2",
626 		.codec_dai_name = "intel-hdmi-hifi1",
627 		.platform_name = "0000:00:1f.3",
628 		.dpcm_playback = 1,
629 		.init = skylake_hdmi1_init,
630 		.no_pcm = 1,
631 	},
632 	{
633 		.name = "iDisp2",
634 		.id = 4,
635 		.cpu_dai_name = "iDisp2 Pin",
636 		.codec_name = "ehdaudio0D2",
637 		.codec_dai_name = "intel-hdmi-hifi2",
638 		.platform_name = "0000:00:1f.3",
639 		.init = skylake_hdmi2_init,
640 		.dpcm_playback = 1,
641 		.no_pcm = 1,
642 	},
643 	{
644 		.name = "iDisp3",
645 		.id = 5,
646 		.cpu_dai_name = "iDisp3 Pin",
647 		.codec_name = "ehdaudio0D2",
648 		.codec_dai_name = "intel-hdmi-hifi3",
649 		.platform_name = "0000:00:1f.3",
650 		.init = skylake_hdmi3_init,
651 		.dpcm_playback = 1,
652 		.no_pcm = 1,
653 	},
654 };
655 
skylake_card_late_probe(struct snd_soc_card * card)656 static int skylake_card_late_probe(struct snd_soc_card *card)
657 {
658 	struct skl_nau88125_private *ctx = snd_soc_card_get_drvdata(card);
659 	struct skl_hdmi_pcm *pcm;
660 	int err;
661 
662 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
663 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
664 		if (err < 0)
665 			return err;
666 	}
667 
668 	return 0;
669 }
670 
671 /* skylake audio machine driver for SPT + NAU88L25 */
672 static struct snd_soc_card skylake_audio_card = {
673 	.name = "sklnau8825adi",
674 	.owner = THIS_MODULE,
675 	.dai_link = skylake_dais,
676 	.num_links = ARRAY_SIZE(skylake_dais),
677 	.controls = skylake_controls,
678 	.num_controls = ARRAY_SIZE(skylake_controls),
679 	.dapm_widgets = skylake_widgets,
680 	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
681 	.dapm_routes = skylake_map,
682 	.num_dapm_routes = ARRAY_SIZE(skylake_map),
683 	.codec_conf = ssm4567_codec_conf,
684 	.num_configs = ARRAY_SIZE(ssm4567_codec_conf),
685 	.fully_routed = true,
686 	.late_probe = skylake_card_late_probe,
687 };
688 
skylake_audio_probe(struct platform_device * pdev)689 static int skylake_audio_probe(struct platform_device *pdev)
690 {
691 	struct skl_nau88125_private *ctx;
692 	struct skl_machine_pdata *pdata;
693 
694 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
695 	if (!ctx)
696 		return -ENOMEM;
697 
698 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
699 
700 	skylake_audio_card.dev = &pdev->dev;
701 	snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
702 
703 	pdata = dev_get_drvdata(&pdev->dev);
704 	if (pdata)
705 		dmic_constraints = pdata->dmic_num == 2 ?
706 			&constraints_dmic_2ch : &constraints_dmic_channels;
707 
708 	return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
709 }
710 
711 static const struct platform_device_id skl_board_ids[] = {
712 	{ .name = "skl_n88l25_s4567" },
713 	{ .name = "kbl_n88l25_s4567" },
714 	{ }
715 };
716 
717 static struct platform_driver skylake_audio = {
718 	.probe = skylake_audio_probe,
719 	.driver = {
720 		.name = "skl_n88l25_s4567",
721 		.pm = &snd_soc_pm_ops,
722 	},
723 	.id_table = skl_board_ids,
724 };
725 
726 module_platform_driver(skylake_audio)
727 
728 /* Module information */
729 MODULE_AUTHOR("Conrad Cooke  <conrad.cooke@intel.com>");
730 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
731 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
732 MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
733 MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
734 MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
735 MODULE_LICENSE("GPL v2");
736 MODULE_ALIAS("platform:skl_n88l25_s4567");
737 MODULE_ALIAS("platform:kbl_n88l25_s4567");
738