1 /*
2  * Intel Kabylake I2S Machine Driver with MAXIM98927
3  * and RT5663 Codecs
4  *
5  * Copyright (C) 2017, Intel Corporation. All rights reserved.
6  *
7  * Modified from:
8  *   Intel Skylake I2S Machine driver
9  *
10  * This program is free software; you can redistribute it and/or
11  * modify it under the terms of the GNU General Public License version
12  * 2 as published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17  * GNU General Public License for more details.
18  */
19 
20 #include <linux/input.h>
21 #include <linux/module.h>
22 #include <linux/platform_device.h>
23 #include <sound/core.h>
24 #include <sound/jack.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/soc.h>
28 #include <sound/soc-acpi.h>
29 #include "../../codecs/rt5663.h"
30 #include "../../codecs/hdac_hdmi.h"
31 #include <linux/clk.h>
32 #include <linux/clk-provider.h>
33 #include <linux/clkdev.h>
34 
35 #define KBL_REALTEK_CODEC_DAI "rt5663-aif"
36 #define KBL_MAXIM_CODEC_DAI "max98927-aif1"
37 #define DMIC_CH(p) p->list[p->count-1]
38 #define MAXIM_DEV0_NAME "i2c-MX98927:00"
39 #define MAXIM_DEV1_NAME "i2c-MX98927:01"
40 
41 static struct snd_soc_card *kabylake_audio_card;
42 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
43 static struct snd_soc_jack skylake_hdmi[3];
44 
45 struct kbl_hdmi_pcm {
46 	struct list_head head;
47 	struct snd_soc_dai *codec_dai;
48 	int device;
49 };
50 
51 struct kbl_rt5663_private {
52 	struct snd_soc_jack kabylake_headset;
53 	struct list_head hdmi_pcm_list;
54 	struct clk *mclk;
55 	struct clk *sclk;
56 };
57 
58 enum {
59 	KBL_DPCM_AUDIO_PB = 0,
60 	KBL_DPCM_AUDIO_CP,
61 	KBL_DPCM_AUDIO_HS_PB,
62 	KBL_DPCM_AUDIO_ECHO_REF_CP,
63 	KBL_DPCM_AUDIO_REF_CP,
64 	KBL_DPCM_AUDIO_DMIC_CP,
65 	KBL_DPCM_AUDIO_HDMI1_PB,
66 	KBL_DPCM_AUDIO_HDMI2_PB,
67 	KBL_DPCM_AUDIO_HDMI3_PB,
68 };
69 
70 static const struct snd_kcontrol_new kabylake_controls[] = {
71 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
72 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
73 	SOC_DAPM_PIN_SWITCH("Left Spk"),
74 	SOC_DAPM_PIN_SWITCH("Right Spk"),
75 };
76 
77 static int platform_clock_control(struct snd_soc_dapm_widget *w,
78 			struct snd_kcontrol *k, int  event)
79 {
80 	struct snd_soc_dapm_context *dapm = w->dapm;
81 	struct snd_soc_card *card = dapm->card;
82 	struct kbl_rt5663_private *priv = snd_soc_card_get_drvdata(card);
83 	int ret = 0;
84 
85 	/*
86 	 * MCLK/SCLK need to be ON early for a successful synchronization of
87 	 * codec internal clock. And the clocks are turned off during
88 	 * POST_PMD after the stream is stopped.
89 	 */
90 	switch (event) {
91 	case SND_SOC_DAPM_PRE_PMU:
92 		/* Enable MCLK */
93 		ret = clk_set_rate(priv->mclk, 24000000);
94 		if (ret < 0) {
95 			dev_err(card->dev, "Can't set rate for mclk, err: %d\n",
96 				ret);
97 			return ret;
98 		}
99 
100 		ret = clk_prepare_enable(priv->mclk);
101 		if (ret < 0) {
102 			dev_err(card->dev, "Can't enable mclk, err: %d\n", ret);
103 			return ret;
104 		}
105 
106 		/* Enable SCLK */
107 		ret = clk_set_rate(priv->sclk, 3072000);
108 		if (ret < 0) {
109 			dev_err(card->dev, "Can't set rate for sclk, err: %d\n",
110 				ret);
111 			clk_disable_unprepare(priv->mclk);
112 			return ret;
113 		}
114 
115 		ret = clk_prepare_enable(priv->sclk);
116 		if (ret < 0) {
117 			dev_err(card->dev, "Can't enable sclk, err: %d\n", ret);
118 			clk_disable_unprepare(priv->mclk);
119 		}
120 		break;
121 	case SND_SOC_DAPM_POST_PMD:
122 		clk_disable_unprepare(priv->mclk);
123 		clk_disable_unprepare(priv->sclk);
124 		break;
125 	default:
126 		return 0;
127 	}
128 
129 	return 0;
130 }
131 
132 static const struct snd_soc_dapm_widget kabylake_widgets[] = {
133 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
134 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
135 	SND_SOC_DAPM_SPK("Left Spk", NULL),
136 	SND_SOC_DAPM_SPK("Right Spk", NULL),
137 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
138 	SND_SOC_DAPM_SPK("HDMI1", NULL),
139 	SND_SOC_DAPM_SPK("HDMI2", NULL),
140 	SND_SOC_DAPM_SPK("HDMI3", NULL),
141 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
142 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
143 			SND_SOC_DAPM_POST_PMD),
144 };
145 
146 static const struct snd_soc_dapm_route kabylake_map[] = {
147 	/* HP jack connectors - unknown if we have jack detection */
148 	{ "Headphone Jack", NULL, "Platform Clock" },
149 	{ "Headphone Jack", NULL, "HPOL" },
150 	{ "Headphone Jack", NULL, "HPOR" },
151 
152 	/* speaker */
153 	{ "Left Spk", NULL, "Left BE_OUT" },
154 	{ "Right Spk", NULL, "Right BE_OUT" },
155 
156 	/* other jacks */
157 	{ "Headset Mic", NULL, "Platform Clock" },
158 	{ "IN1P", NULL, "Headset Mic" },
159 	{ "IN1N", NULL, "Headset Mic" },
160 	{ "DMic", NULL, "SoC DMIC" },
161 
162 	/* CODEC BE connections */
163 	{ "Left HiFi Playback", NULL, "ssp0 Tx" },
164 	{ "Right HiFi Playback", NULL, "ssp0 Tx" },
165 	{ "ssp0 Tx", NULL, "spk_out" },
166 
167 	{ "AIF Playback", NULL, "ssp1 Tx" },
168 	{ "ssp1 Tx", NULL, "codec1_out" },
169 
170 	{ "hs_in", NULL, "ssp1 Rx" },
171 	{ "ssp1 Rx", NULL, "AIF Capture" },
172 
173 	/* IV feedback path */
174 	{ "codec0_fb_in", NULL, "ssp0 Rx"},
175 	{ "ssp0 Rx", NULL, "Left HiFi Capture" },
176 	{ "ssp0 Rx", NULL, "Right HiFi Capture" },
177 
178 	/* DMIC */
179 	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
180 	{ "DMIC01 Rx", NULL, "DMIC AIF" },
181 
182 	{ "hifi3", NULL, "iDisp3 Tx"},
183 	{ "iDisp3 Tx", NULL, "iDisp3_out"},
184 	{ "hifi2", NULL, "iDisp2 Tx"},
185 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
186 	{ "hifi1", NULL, "iDisp1 Tx"},
187 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
188 };
189 
190 enum {
191 	KBL_DPCM_AUDIO_5663_PB = 0,
192 	KBL_DPCM_AUDIO_5663_CP,
193 	KBL_DPCM_AUDIO_5663_HDMI1_PB,
194 	KBL_DPCM_AUDIO_5663_HDMI2_PB,
195 };
196 
197 static const struct snd_kcontrol_new kabylake_5663_controls[] = {
198 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
199 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
200 };
201 
202 static const struct snd_soc_dapm_widget kabylake_5663_widgets[] = {
203 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
204 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
205 	SND_SOC_DAPM_SPK("DP", NULL),
206 	SND_SOC_DAPM_SPK("HDMI", NULL),
207 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
208 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
209 			SND_SOC_DAPM_POST_PMD),
210 };
211 
212 static const struct snd_soc_dapm_route kabylake_5663_map[] = {
213 	{ "Headphone Jack", NULL, "Platform Clock" },
214 	{ "Headphone Jack", NULL, "HPOL" },
215 	{ "Headphone Jack", NULL, "HPOR" },
216 
217 	/* other jacks */
218 	{ "Headset Mic", NULL, "Platform Clock" },
219 	{ "IN1P", NULL, "Headset Mic" },
220 	{ "IN1N", NULL, "Headset Mic" },
221 
222 	{ "HDMI", NULL, "hif5 Output" },
223 	{ "DP", NULL, "hif6 Output" },
224 
225 	/* CODEC BE connections */
226 	{ "AIF Playback", NULL, "ssp1 Tx" },
227 	{ "ssp1 Tx", NULL, "codec1_out" },
228 
229 	{ "codec0_in", NULL, "ssp1 Rx" },
230 	{ "ssp1 Rx", NULL, "AIF Capture" },
231 
232 	{ "hifi2", NULL, "iDisp2 Tx"},
233 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
234 	{ "hifi1", NULL, "iDisp1 Tx"},
235 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
236 };
237 
238 static struct snd_soc_codec_conf max98927_codec_conf[] = {
239 	{
240 		.dev_name = MAXIM_DEV0_NAME,
241 		.name_prefix = "Right",
242 	},
243 	{
244 		.dev_name = MAXIM_DEV1_NAME,
245 		.name_prefix = "Left",
246 	},
247 };
248 
249 static struct snd_soc_dai_link_component max98927_codec_components[] = {
250 	{ /* Left */
251 		.name = MAXIM_DEV0_NAME,
252 		.dai_name = KBL_MAXIM_CODEC_DAI,
253 	},
254 	{ /* Right */
255 		.name = MAXIM_DEV1_NAME,
256 		.dai_name = KBL_MAXIM_CODEC_DAI,
257 	},
258 };
259 
260 static int kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime *rtd)
261 {
262 	int ret;
263 	struct snd_soc_dapm_context *dapm;
264 	struct snd_soc_component *component = rtd->cpu_dai->component;
265 
266 	dapm = snd_soc_component_get_dapm(component);
267 	ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
268 	if (ret) {
269 		dev_err(rtd->dev, "Ref Cap ignore suspend failed %d\n", ret);
270 		return ret;
271 	}
272 
273 	return ret;
274 }
275 
276 static int kabylake_rt5663_codec_init(struct snd_soc_pcm_runtime *rtd)
277 {
278 	int ret;
279 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
280 	struct snd_soc_component *component = rtd->codec_dai->component;
281 	struct snd_soc_jack *jack;
282 
283 	/*
284 	 * Headset buttons map to the google Reference headset.
285 	 * These can be configured by userspace.
286 	 */
287 	ret = snd_soc_card_jack_new(kabylake_audio_card, "Headset Jack",
288 			SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
289 			SND_JACK_BTN_2 | SND_JACK_BTN_3, &ctx->kabylake_headset,
290 			NULL, 0);
291 	if (ret) {
292 		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
293 		return ret;
294 	}
295 
296 	jack = &ctx->kabylake_headset;
297 	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
298 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
299 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
300 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
301 
302 	snd_soc_component_set_jack(component, &ctx->kabylake_headset, NULL);
303 
304 	return ret;
305 }
306 
307 static int kabylake_rt5663_max98927_codec_init(struct snd_soc_pcm_runtime *rtd)
308 {
309 	int ret;
310 
311 	ret = kabylake_rt5663_codec_init(rtd);
312 	if (ret)
313 		return ret;
314 
315 	ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
316 	if (ret) {
317 		dev_err(rtd->dev, "SoC DMIC ignore suspend failed %d\n", ret);
318 		return ret;
319 	}
320 
321 	return ret;
322 }
323 
324 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
325 {
326 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
327 	struct snd_soc_dai *dai = rtd->codec_dai;
328 	struct kbl_hdmi_pcm *pcm;
329 
330 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
331 	if (!pcm)
332 		return -ENOMEM;
333 
334 	pcm->device = device;
335 	pcm->codec_dai = dai;
336 
337 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
338 
339 	return 0;
340 }
341 
342 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
343 {
344 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
345 }
346 
347 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
348 {
349 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
350 }
351 
352 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
353 {
354 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
355 }
356 
357 static int kabylake_5663_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
358 {
359 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_5663_HDMI1_PB);
360 }
361 
362 static int kabylake_5663_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
363 {
364 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_5663_HDMI2_PB);
365 }
366 
367 static unsigned int rates[] = {
368 	48000,
369 };
370 
371 static const struct snd_pcm_hw_constraint_list constraints_rates = {
372 	.count = ARRAY_SIZE(rates),
373 	.list  = rates,
374 	.mask = 0,
375 };
376 
377 static unsigned int channels[] = {
378 	2,
379 };
380 
381 static const struct snd_pcm_hw_constraint_list constraints_channels = {
382 	.count = ARRAY_SIZE(channels),
383 	.list = channels,
384 	.mask = 0,
385 };
386 
387 static int kbl_fe_startup(struct snd_pcm_substream *substream)
388 {
389 	struct snd_pcm_runtime *runtime = substream->runtime;
390 
391 	/*
392 	 * On this platform for PCM device we support,
393 	 * 48Khz
394 	 * stereo
395 	 * 16 bit audio
396 	 */
397 
398 	runtime->hw.channels_max = 2;
399 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
400 					   &constraints_channels);
401 
402 	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
403 	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
404 
405 	snd_pcm_hw_constraint_list(runtime, 0,
406 				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
407 
408 	return 0;
409 }
410 
411 static const struct snd_soc_ops kabylake_rt5663_fe_ops = {
412 	.startup = kbl_fe_startup,
413 };
414 
415 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
416 	struct snd_pcm_hw_params *params)
417 {
418 	struct snd_interval *rate = hw_param_interval(params,
419 			SNDRV_PCM_HW_PARAM_RATE);
420 	struct snd_interval *channels = hw_param_interval(params,
421 			SNDRV_PCM_HW_PARAM_CHANNELS);
422 	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
423 	struct snd_soc_dpcm *dpcm = container_of(
424 			params, struct snd_soc_dpcm, hw_params);
425 	struct snd_soc_dai_link *fe_dai_link = dpcm->fe->dai_link;
426 	struct snd_soc_dai_link *be_dai_link = dpcm->be->dai_link;
427 
428 	/*
429 	 * The ADSP will convert the FE rate to 48k, stereo, 24 bit
430 	 */
431 	if (!strcmp(fe_dai_link->name, "Kbl Audio Port") ||
432 	    !strcmp(fe_dai_link->name, "Kbl Audio Headset Playback") ||
433 	    !strcmp(fe_dai_link->name, "Kbl Audio Capture Port")) {
434 		rate->min = rate->max = 48000;
435 		channels->min = channels->max = 2;
436 		snd_mask_none(fmt);
437 		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
438 	}
439 	/*
440 	 * The speaker on the SSP0 supports S16_LE and not S24_LE.
441 	 * thus changing the mask here
442 	 */
443 	if (!strcmp(be_dai_link->name, "SSP0-Codec"))
444 		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
445 
446 	return 0;
447 }
448 
449 static int kabylake_rt5663_hw_params(struct snd_pcm_substream *substream,
450 	struct snd_pcm_hw_params *params)
451 {
452 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
453 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
454 	int ret;
455 
456 	/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
457 	rt5663_sel_asrc_clk_src(codec_dai->component,
458 			RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
459 			RT5663_CLK_SEL_I2S1_ASRC);
460 
461 	ret = snd_soc_dai_set_sysclk(codec_dai,
462 			RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
463 	if (ret < 0)
464 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
465 
466 	return ret;
467 }
468 
469 static struct snd_soc_ops kabylake_rt5663_ops = {
470 	.hw_params = kabylake_rt5663_hw_params,
471 };
472 
473 static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
474 		struct snd_pcm_hw_params *params)
475 {
476 	struct snd_interval *channels = hw_param_interval(params,
477 				SNDRV_PCM_HW_PARAM_CHANNELS);
478 
479 	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
480 		channels->min = channels->max = 2;
481 	else
482 		channels->min = channels->max = 4;
483 
484 	return 0;
485 }
486 
487 static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
488 					struct snd_pcm_hw_params *params)
489 {
490 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
491 	struct snd_soc_dai *codec_dai;
492 	int ret = 0, j;
493 
494 	for_each_rtd_codec_dai(rtd, j, codec_dai) {
495 		if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME)) {
496 			/*
497 			 * Use channel 4 and 5 for the first amp
498 			 */
499 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
500 			if (ret < 0) {
501 				dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
502 				return ret;
503 			}
504 		}
505 		if (!strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) {
506 			/*
507 			 * Use channel 6 and 7 for the second amp
508 			 */
509 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);
510 			if (ret < 0) {
511 				dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
512 				return ret;
513 			}
514 		}
515 	}
516 	return ret;
517 }
518 
519 static struct snd_soc_ops kabylake_ssp0_ops = {
520 	.hw_params = kabylake_ssp0_hw_params,
521 };
522 
523 static unsigned int channels_dmic[] = {
524 	2, 4,
525 };
526 
527 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
528 	.count = ARRAY_SIZE(channels_dmic),
529 	.list = channels_dmic,
530 	.mask = 0,
531 };
532 
533 static const unsigned int dmic_2ch[] = {
534 	2,
535 };
536 
537 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
538 	.count = ARRAY_SIZE(dmic_2ch),
539 	.list = dmic_2ch,
540 	.mask = 0,
541 };
542 
543 static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
544 {
545 	struct snd_pcm_runtime *runtime = substream->runtime;
546 
547 	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
548 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
549 			dmic_constraints);
550 
551 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
552 			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
553 }
554 
555 static struct snd_soc_ops kabylake_dmic_ops = {
556 	.startup = kabylake_dmic_startup,
557 };
558 
559 static unsigned int rates_16000[] = {
560 	16000,
561 };
562 
563 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
564 	.count = ARRAY_SIZE(rates_16000),
565 	.list  = rates_16000,
566 };
567 
568 static const unsigned int ch_mono[] = {
569 	1,
570 };
571 
572 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
573 	.count = ARRAY_SIZE(ch_mono),
574 	.list  = ch_mono,
575 };
576 
577 static int kabylake_refcap_startup(struct snd_pcm_substream *substream)
578 {
579 	substream->runtime->hw.channels_max = 1;
580 	snd_pcm_hw_constraint_list(substream->runtime, 0,
581 					SNDRV_PCM_HW_PARAM_CHANNELS,
582 					&constraints_refcap);
583 
584 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
585 				SNDRV_PCM_HW_PARAM_RATE,
586 				&constraints_16000);
587 }
588 
589 static struct snd_soc_ops skylake_refcap_ops = {
590 	.startup = kabylake_refcap_startup,
591 };
592 
593 /* kabylake digital audio interface glue - connects codec <--> CPU */
594 static struct snd_soc_dai_link kabylake_dais[] = {
595 	/* Front End DAI links */
596 	[KBL_DPCM_AUDIO_PB] = {
597 		.name = "Kbl Audio Port",
598 		.stream_name = "Audio",
599 		.cpu_dai_name = "System Pin",
600 		.platform_name = "0000:00:1f.3",
601 		.dynamic = 1,
602 		.codec_name = "snd-soc-dummy",
603 		.codec_dai_name = "snd-soc-dummy-dai",
604 		.nonatomic = 1,
605 		.init = kabylake_rt5663_fe_init,
606 		.trigger = {
607 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
608 		.dpcm_playback = 1,
609 		.ops = &kabylake_rt5663_fe_ops,
610 	},
611 	[KBL_DPCM_AUDIO_CP] = {
612 		.name = "Kbl Audio Capture Port",
613 		.stream_name = "Audio Record",
614 		.cpu_dai_name = "System Pin",
615 		.platform_name = "0000:00:1f.3",
616 		.dynamic = 1,
617 		.codec_name = "snd-soc-dummy",
618 		.codec_dai_name = "snd-soc-dummy-dai",
619 		.nonatomic = 1,
620 		.trigger = {
621 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
622 		.dpcm_capture = 1,
623 		.ops = &kabylake_rt5663_fe_ops,
624 	},
625 	[KBL_DPCM_AUDIO_HS_PB] = {
626 		.name = "Kbl Audio Headset Playback",
627 		.stream_name = "Headset Audio",
628 		.cpu_dai_name = "System Pin2",
629 		.codec_name = "snd-soc-dummy",
630 		.codec_dai_name = "snd-soc-dummy-dai",
631 		.platform_name = "0000:00:1f.3",
632 		.dpcm_playback = 1,
633 		.nonatomic = 1,
634 		.dynamic = 1,
635 	},
636 	[KBL_DPCM_AUDIO_ECHO_REF_CP] = {
637 		.name = "Kbl Audio Echo Reference cap",
638 		.stream_name = "Echoreference Capture",
639 		.cpu_dai_name = "Echoref Pin",
640 		.codec_name = "snd-soc-dummy",
641 		.codec_dai_name = "snd-soc-dummy-dai",
642 		.platform_name = "0000:00:1f.3",
643 		.init = NULL,
644 		.capture_only = 1,
645 		.nonatomic = 1,
646 	},
647 	[KBL_DPCM_AUDIO_REF_CP] = {
648 		.name = "Kbl Audio Reference cap",
649 		.stream_name = "Wake on Voice",
650 		.cpu_dai_name = "Reference Pin",
651 		.codec_name = "snd-soc-dummy",
652 		.codec_dai_name = "snd-soc-dummy-dai",
653 		.platform_name = "0000:00:1f.3",
654 		.init = NULL,
655 		.dpcm_capture = 1,
656 		.nonatomic = 1,
657 		.dynamic = 1,
658 		.ops = &skylake_refcap_ops,
659 	},
660 	[KBL_DPCM_AUDIO_DMIC_CP] = {
661 		.name = "Kbl Audio DMIC cap",
662 		.stream_name = "dmiccap",
663 		.cpu_dai_name = "DMIC Pin",
664 		.codec_name = "snd-soc-dummy",
665 		.codec_dai_name = "snd-soc-dummy-dai",
666 		.platform_name = "0000:00:1f.3",
667 		.init = NULL,
668 		.dpcm_capture = 1,
669 		.nonatomic = 1,
670 		.dynamic = 1,
671 		.ops = &kabylake_dmic_ops,
672 	},
673 	[KBL_DPCM_AUDIO_HDMI1_PB] = {
674 		.name = "Kbl HDMI Port1",
675 		.stream_name = "Hdmi1",
676 		.cpu_dai_name = "HDMI1 Pin",
677 		.codec_name = "snd-soc-dummy",
678 		.codec_dai_name = "snd-soc-dummy-dai",
679 		.platform_name = "0000:00:1f.3",
680 		.dpcm_playback = 1,
681 		.init = NULL,
682 		.trigger = {
683 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
684 		.nonatomic = 1,
685 		.dynamic = 1,
686 	},
687 	[KBL_DPCM_AUDIO_HDMI2_PB] = {
688 		.name = "Kbl HDMI Port2",
689 		.stream_name = "Hdmi2",
690 		.cpu_dai_name = "HDMI2 Pin",
691 		.codec_name = "snd-soc-dummy",
692 		.codec_dai_name = "snd-soc-dummy-dai",
693 		.platform_name = "0000:00:1f.3",
694 		.dpcm_playback = 1,
695 		.init = NULL,
696 		.trigger = {
697 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
698 		.nonatomic = 1,
699 		.dynamic = 1,
700 	},
701 	[KBL_DPCM_AUDIO_HDMI3_PB] = {
702 		.name = "Kbl HDMI Port3",
703 		.stream_name = "Hdmi3",
704 		.cpu_dai_name = "HDMI3 Pin",
705 		.codec_name = "snd-soc-dummy",
706 		.codec_dai_name = "snd-soc-dummy-dai",
707 		.platform_name = "0000:00:1f.3",
708 		.trigger = {
709 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
710 		.dpcm_playback = 1,
711 		.init = NULL,
712 		.nonatomic = 1,
713 		.dynamic = 1,
714 	},
715 
716 	/* Back End DAI links */
717 	{
718 		/* SSP0 - Codec */
719 		.name = "SSP0-Codec",
720 		.id = 0,
721 		.cpu_dai_name = "SSP0 Pin",
722 		.platform_name = "0000:00:1f.3",
723 		.no_pcm = 1,
724 		.codecs = max98927_codec_components,
725 		.num_codecs = ARRAY_SIZE(max98927_codec_components),
726 		.dai_fmt = SND_SOC_DAIFMT_DSP_B |
727 			SND_SOC_DAIFMT_NB_NF |
728 			SND_SOC_DAIFMT_CBS_CFS,
729 		.ignore_pmdown_time = 1,
730 		.be_hw_params_fixup = kabylake_ssp_fixup,
731 		.dpcm_playback = 1,
732 		.ops = &kabylake_ssp0_ops,
733 	},
734 	{
735 		/* SSP1 - Codec */
736 		.name = "SSP1-Codec",
737 		.id = 1,
738 		.cpu_dai_name = "SSP1 Pin",
739 		.platform_name = "0000:00:1f.3",
740 		.no_pcm = 1,
741 		.codec_name = "i2c-10EC5663:00",
742 		.codec_dai_name = KBL_REALTEK_CODEC_DAI,
743 		.init = kabylake_rt5663_max98927_codec_init,
744 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
745 			SND_SOC_DAIFMT_CBS_CFS,
746 		.ignore_pmdown_time = 1,
747 		.be_hw_params_fixup = kabylake_ssp_fixup,
748 		.ops = &kabylake_rt5663_ops,
749 		.dpcm_playback = 1,
750 		.dpcm_capture = 1,
751 	},
752 	{
753 		.name = "dmic01",
754 		.id = 2,
755 		.cpu_dai_name = "DMIC01 Pin",
756 		.codec_name = "dmic-codec",
757 		.codec_dai_name = "dmic-hifi",
758 		.platform_name = "0000:00:1f.3",
759 		.be_hw_params_fixup = kabylake_dmic_fixup,
760 		.ignore_suspend = 1,
761 		.dpcm_capture = 1,
762 		.no_pcm = 1,
763 	},
764 	{
765 		.name = "iDisp1",
766 		.id = 3,
767 		.cpu_dai_name = "iDisp1 Pin",
768 		.codec_name = "ehdaudio0D2",
769 		.codec_dai_name = "intel-hdmi-hifi1",
770 		.platform_name = "0000:00:1f.3",
771 		.dpcm_playback = 1,
772 		.init = kabylake_hdmi1_init,
773 		.no_pcm = 1,
774 	},
775 	{
776 		.name = "iDisp2",
777 		.id = 4,
778 		.cpu_dai_name = "iDisp2 Pin",
779 		.codec_name = "ehdaudio0D2",
780 		.codec_dai_name = "intel-hdmi-hifi2",
781 		.platform_name = "0000:00:1f.3",
782 		.init = kabylake_hdmi2_init,
783 		.dpcm_playback = 1,
784 		.no_pcm = 1,
785 	},
786 	{
787 		.name = "iDisp3",
788 		.id = 5,
789 		.cpu_dai_name = "iDisp3 Pin",
790 		.codec_name = "ehdaudio0D2",
791 		.codec_dai_name = "intel-hdmi-hifi3",
792 		.platform_name = "0000:00:1f.3",
793 		.init = kabylake_hdmi3_init,
794 		.dpcm_playback = 1,
795 		.no_pcm = 1,
796 	},
797 };
798 
799 static struct snd_soc_dai_link kabylake_5663_dais[] = {
800 	/* Front End DAI links */
801 	[KBL_DPCM_AUDIO_5663_PB] = {
802 		.name = "Kbl Audio Port",
803 		.stream_name = "Audio",
804 		.cpu_dai_name = "System Pin",
805 		.platform_name = "0000:00:1f.3",
806 		.dynamic = 1,
807 		.codec_name = "snd-soc-dummy",
808 		.codec_dai_name = "snd-soc-dummy-dai",
809 		.nonatomic = 1,
810 		.trigger = {
811 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
812 		.dpcm_playback = 1,
813 		.ops = &kabylake_rt5663_fe_ops,
814 	},
815 	[KBL_DPCM_AUDIO_5663_CP] = {
816 		.name = "Kbl Audio Capture Port",
817 		.stream_name = "Audio Record",
818 		.cpu_dai_name = "System Pin",
819 		.platform_name = "0000:00:1f.3",
820 		.dynamic = 1,
821 		.codec_name = "snd-soc-dummy",
822 		.codec_dai_name = "snd-soc-dummy-dai",
823 		.nonatomic = 1,
824 		.trigger = {
825 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
826 		.dpcm_capture = 1,
827 		.ops = &kabylake_rt5663_fe_ops,
828 	},
829 	[KBL_DPCM_AUDIO_5663_HDMI1_PB] = {
830 		.name = "Kbl HDMI Port1",
831 		.stream_name = "Hdmi1",
832 		.cpu_dai_name = "HDMI1 Pin",
833 		.codec_name = "snd-soc-dummy",
834 		.codec_dai_name = "snd-soc-dummy-dai",
835 		.platform_name = "0000:00:1f.3",
836 		.dpcm_playback = 1,
837 		.init = NULL,
838 		.trigger = {
839 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
840 		.nonatomic = 1,
841 		.dynamic = 1,
842 	},
843 	[KBL_DPCM_AUDIO_5663_HDMI2_PB] = {
844 		.name = "Kbl HDMI Port2",
845 		.stream_name = "Hdmi2",
846 		.cpu_dai_name = "HDMI2 Pin",
847 		.codec_name = "snd-soc-dummy",
848 		.codec_dai_name = "snd-soc-dummy-dai",
849 		.platform_name = "0000:00:1f.3",
850 		.dpcm_playback = 1,
851 		.init = NULL,
852 		.trigger = {
853 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
854 		.nonatomic = 1,
855 		.dynamic = 1,
856 	},
857 
858 	/* Back End DAI links */
859 	{
860 		/* SSP1 - Codec */
861 		.name = "SSP1-Codec",
862 		.id = 0,
863 		.cpu_dai_name = "SSP1 Pin",
864 		.platform_name = "0000:00:1f.3",
865 		.no_pcm = 1,
866 		.codec_name = "i2c-10EC5663:00",
867 		.codec_dai_name = KBL_REALTEK_CODEC_DAI,
868 		.init = kabylake_rt5663_codec_init,
869 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
870 			SND_SOC_DAIFMT_CBS_CFS,
871 		.ignore_pmdown_time = 1,
872 		.be_hw_params_fixup = kabylake_ssp_fixup,
873 		.ops = &kabylake_rt5663_ops,
874 		.dpcm_playback = 1,
875 		.dpcm_capture = 1,
876 	},
877 	{
878 		.name = "iDisp1",
879 		.id = 1,
880 		.cpu_dai_name = "iDisp1 Pin",
881 		.codec_name = "ehdaudio0D2",
882 		.codec_dai_name = "intel-hdmi-hifi1",
883 		.platform_name = "0000:00:1f.3",
884 		.dpcm_playback = 1,
885 		.init = kabylake_5663_hdmi1_init,
886 		.no_pcm = 1,
887 	},
888 	{
889 		.name = "iDisp2",
890 		.id = 2,
891 		.cpu_dai_name = "iDisp2 Pin",
892 		.codec_name = "ehdaudio0D2",
893 		.codec_dai_name = "intel-hdmi-hifi2",
894 		.platform_name = "0000:00:1f.3",
895 		.init = kabylake_5663_hdmi2_init,
896 		.dpcm_playback = 1,
897 		.no_pcm = 1,
898 	},
899 };
900 
901 #define NAME_SIZE	32
902 static int kabylake_card_late_probe(struct snd_soc_card *card)
903 {
904 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(card);
905 	struct kbl_hdmi_pcm *pcm;
906 	struct snd_soc_component *component = NULL;
907 	int err, i = 0;
908 	char jack_name[NAME_SIZE];
909 
910 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
911 		component = pcm->codec_dai->component;
912 		snprintf(jack_name, sizeof(jack_name),
913 			"HDMI/DP, pcm=%d Jack", pcm->device);
914 		err = snd_soc_card_jack_new(card, jack_name,
915 					SND_JACK_AVOUT, &skylake_hdmi[i],
916 					NULL, 0);
917 
918 		if (err)
919 			return err;
920 
921 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
922 						&skylake_hdmi[i]);
923 		if (err < 0)
924 			return err;
925 
926 		i++;
927 	}
928 
929 	if (!component)
930 		return -EINVAL;
931 
932 	return hdac_hdmi_jack_port_init(component, &card->dapm);
933 }
934 
935 /* kabylake audio machine driver for SPT + RT5663 */
936 static struct snd_soc_card kabylake_audio_card_rt5663_m98927 = {
937 	.name = "kblrt5663max",
938 	.owner = THIS_MODULE,
939 	.dai_link = kabylake_dais,
940 	.num_links = ARRAY_SIZE(kabylake_dais),
941 	.controls = kabylake_controls,
942 	.num_controls = ARRAY_SIZE(kabylake_controls),
943 	.dapm_widgets = kabylake_widgets,
944 	.num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
945 	.dapm_routes = kabylake_map,
946 	.num_dapm_routes = ARRAY_SIZE(kabylake_map),
947 	.codec_conf = max98927_codec_conf,
948 	.num_configs = ARRAY_SIZE(max98927_codec_conf),
949 	.fully_routed = true,
950 	.late_probe = kabylake_card_late_probe,
951 };
952 
953 /* kabylake audio machine driver for RT5663 */
954 static struct snd_soc_card kabylake_audio_card_rt5663 = {
955 	.name = "kblrt5663",
956 	.owner = THIS_MODULE,
957 	.dai_link = kabylake_5663_dais,
958 	.num_links = ARRAY_SIZE(kabylake_5663_dais),
959 	.controls = kabylake_5663_controls,
960 	.num_controls = ARRAY_SIZE(kabylake_5663_controls),
961 	.dapm_widgets = kabylake_5663_widgets,
962 	.num_dapm_widgets = ARRAY_SIZE(kabylake_5663_widgets),
963 	.dapm_routes = kabylake_5663_map,
964 	.num_dapm_routes = ARRAY_SIZE(kabylake_5663_map),
965 	.fully_routed = true,
966 	.late_probe = kabylake_card_late_probe,
967 };
968 
969 static int kabylake_audio_probe(struct platform_device *pdev)
970 {
971 	struct kbl_rt5663_private *ctx;
972 	struct snd_soc_acpi_mach *mach;
973 	int ret;
974 
975 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
976 	if (!ctx)
977 		return -ENOMEM;
978 
979 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
980 
981 	kabylake_audio_card =
982 		(struct snd_soc_card *)pdev->id_entry->driver_data;
983 
984 	kabylake_audio_card->dev = &pdev->dev;
985 	snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
986 
987 	mach = (&pdev->dev)->platform_data;
988 	if (mach)
989 		dmic_constraints = mach->mach_params.dmic_num == 2 ?
990 			&constraints_dmic_2ch : &constraints_dmic_channels;
991 
992 	ctx->mclk = devm_clk_get(&pdev->dev, "ssp1_mclk");
993 	if (IS_ERR(ctx->mclk)) {
994 		ret = PTR_ERR(ctx->mclk);
995 		if (ret == -ENOENT) {
996 			dev_info(&pdev->dev,
997 				"Failed to get ssp1_sclk, defer probe\n");
998 			return -EPROBE_DEFER;
999 		}
1000 
1001 		dev_err(&pdev->dev, "Failed to get ssp1_mclk with err:%d\n",
1002 								ret);
1003 		return ret;
1004 	}
1005 
1006 	ctx->sclk = devm_clk_get(&pdev->dev, "ssp1_sclk");
1007 	if (IS_ERR(ctx->sclk)) {
1008 		ret = PTR_ERR(ctx->sclk);
1009 		if (ret == -ENOENT) {
1010 			dev_info(&pdev->dev,
1011 				"Failed to get ssp1_sclk, defer probe\n");
1012 			return -EPROBE_DEFER;
1013 		}
1014 
1015 		dev_err(&pdev->dev, "Failed to get ssp1_sclk with err:%d\n",
1016 								ret);
1017 		return ret;
1018 	}
1019 
1020 	return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
1021 }
1022 
1023 static const struct platform_device_id kbl_board_ids[] = {
1024 	{
1025 		.name = "kbl_rt5663",
1026 		.driver_data = (kernel_ulong_t)&kabylake_audio_card_rt5663,
1027 	},
1028 	{
1029 		.name = "kbl_rt5663_m98927",
1030 		.driver_data =
1031 			(kernel_ulong_t)&kabylake_audio_card_rt5663_m98927,
1032 	},
1033 	{ }
1034 };
1035 
1036 static struct platform_driver kabylake_audio = {
1037 	.probe = kabylake_audio_probe,
1038 	.driver = {
1039 		.name = "kbl_rt5663_m98927",
1040 		.pm = &snd_soc_pm_ops,
1041 	},
1042 	.id_table = kbl_board_ids,
1043 };
1044 
1045 module_platform_driver(kabylake_audio)
1046 
1047 /* Module information */
1048 MODULE_DESCRIPTION("Audio Machine driver-RT5663 & MAX98927 in I2S mode");
1049 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
1050 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
1051 MODULE_LICENSE("GPL v2");
1052 MODULE_ALIAS("platform:kbl_rt5663");
1053 MODULE_ALIAS("platform:kbl_rt5663_m98927");
1054