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 "../../codecs/rt5663.h"
29 #include "../../codecs/hdac_hdmi.h"
30 #include "../skylake/skl.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 };
208 
209 static const struct snd_soc_dapm_route kabylake_5663_map[] = {
210 	{ "Headphone Jack", NULL, "HPOL" },
211 	{ "Headphone Jack", NULL, "HPOR" },
212 
213 	/* other jacks */
214 	{ "IN1P", NULL, "Headset Mic" },
215 	{ "IN1N", NULL, "Headset Mic" },
216 
217 	{ "HDMI", NULL, "hif5 Output" },
218 	{ "DP", NULL, "hif6 Output" },
219 
220 	/* CODEC BE connections */
221 	{ "AIF Playback", NULL, "ssp1 Tx" },
222 	{ "ssp1 Tx", NULL, "codec1_out" },
223 
224 	{ "codec0_in", NULL, "ssp1 Rx" },
225 	{ "ssp1 Rx", NULL, "AIF Capture" },
226 
227 	{ "hifi2", NULL, "iDisp2 Tx"},
228 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
229 	{ "hifi1", NULL, "iDisp1 Tx"},
230 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
231 };
232 
233 static struct snd_soc_codec_conf max98927_codec_conf[] = {
234 	{
235 		.dev_name = MAXIM_DEV0_NAME,
236 		.name_prefix = "Right",
237 	},
238 	{
239 		.dev_name = MAXIM_DEV1_NAME,
240 		.name_prefix = "Left",
241 	},
242 };
243 
244 static struct snd_soc_dai_link_component max98927_codec_components[] = {
245 	{ /* Left */
246 		.name = MAXIM_DEV0_NAME,
247 		.dai_name = KBL_MAXIM_CODEC_DAI,
248 	},
249 	{ /* Right */
250 		.name = MAXIM_DEV1_NAME,
251 		.dai_name = KBL_MAXIM_CODEC_DAI,
252 	},
253 };
254 
255 static int kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime *rtd)
256 {
257 	int ret;
258 	struct snd_soc_dapm_context *dapm;
259 	struct snd_soc_component *component = rtd->cpu_dai->component;
260 
261 	dapm = snd_soc_component_get_dapm(component);
262 	ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
263 	if (ret) {
264 		dev_err(rtd->dev, "Ref Cap ignore suspend failed %d\n", ret);
265 		return ret;
266 	}
267 
268 	return ret;
269 }
270 
271 static int kabylake_rt5663_codec_init(struct snd_soc_pcm_runtime *rtd)
272 {
273 	int ret;
274 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
275 	struct snd_soc_codec *codec = rtd->codec;
276 	struct snd_soc_jack *jack;
277 
278 	/*
279 	 * Headset buttons map to the google Reference headset.
280 	 * These can be configured by userspace.
281 	 */
282 	ret = snd_soc_card_jack_new(kabylake_audio_card, "Headset Jack",
283 			SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
284 			SND_JACK_BTN_2 | SND_JACK_BTN_3, &ctx->kabylake_headset,
285 			NULL, 0);
286 	if (ret) {
287 		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
288 		return ret;
289 	}
290 
291 	jack = &ctx->kabylake_headset;
292 	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
293 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
294 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
295 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
296 
297 	rt5663_set_jack_detect(codec, &ctx->kabylake_headset);
298 	return ret;
299 }
300 
301 static int kabylake_rt5663_max98927_codec_init(struct snd_soc_pcm_runtime *rtd)
302 {
303 	int ret;
304 
305 	ret = kabylake_rt5663_codec_init(rtd);
306 	if (ret)
307 		return ret;
308 
309 	ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
310 	if (ret) {
311 		dev_err(rtd->dev, "SoC DMIC ignore suspend failed %d\n", ret);
312 		return ret;
313 	}
314 
315 	return ret;
316 }
317 
318 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
319 {
320 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
321 	struct snd_soc_dai *dai = rtd->codec_dai;
322 	struct kbl_hdmi_pcm *pcm;
323 
324 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
325 	if (!pcm)
326 		return -ENOMEM;
327 
328 	pcm->device = device;
329 	pcm->codec_dai = dai;
330 
331 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
332 
333 	return 0;
334 }
335 
336 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
337 {
338 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
339 }
340 
341 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
342 {
343 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
344 }
345 
346 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
347 {
348 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
349 }
350 
351 static int kabylake_5663_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
352 {
353 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_5663_HDMI1_PB);
354 }
355 
356 static int kabylake_5663_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
357 {
358 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_5663_HDMI2_PB);
359 }
360 
361 static unsigned int rates[] = {
362 	48000,
363 };
364 
365 static const struct snd_pcm_hw_constraint_list constraints_rates = {
366 	.count = ARRAY_SIZE(rates),
367 	.list  = rates,
368 	.mask = 0,
369 };
370 
371 static unsigned int channels[] = {
372 	2,
373 };
374 
375 static const struct snd_pcm_hw_constraint_list constraints_channels = {
376 	.count = ARRAY_SIZE(channels),
377 	.list = channels,
378 	.mask = 0,
379 };
380 
381 static int kbl_fe_startup(struct snd_pcm_substream *substream)
382 {
383 	struct snd_pcm_runtime *runtime = substream->runtime;
384 
385 	/*
386 	 * On this platform for PCM device we support,
387 	 * 48Khz
388 	 * stereo
389 	 * 16 bit audio
390 	 */
391 
392 	runtime->hw.channels_max = 2;
393 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
394 					   &constraints_channels);
395 
396 	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
397 	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
398 
399 	snd_pcm_hw_constraint_list(runtime, 0,
400 				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
401 
402 	return 0;
403 }
404 
405 static const struct snd_soc_ops kabylake_rt5663_fe_ops = {
406 	.startup = kbl_fe_startup,
407 };
408 
409 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
410 	struct snd_pcm_hw_params *params)
411 {
412 	struct snd_interval *rate = hw_param_interval(params,
413 			SNDRV_PCM_HW_PARAM_RATE);
414 	struct snd_interval *channels = hw_param_interval(params,
415 			SNDRV_PCM_HW_PARAM_CHANNELS);
416 	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
417 	struct snd_soc_dpcm *dpcm = container_of(
418 			params, struct snd_soc_dpcm, hw_params);
419 	struct snd_soc_dai_link *fe_dai_link = dpcm->fe->dai_link;
420 	struct snd_soc_dai_link *be_dai_link = dpcm->be->dai_link;
421 
422 	/*
423 	 * The ADSP will convert the FE rate to 48k, stereo, 24 bit
424 	 */
425 	if (!strcmp(fe_dai_link->name, "Kbl Audio Port") ||
426 	    !strcmp(fe_dai_link->name, "Kbl Audio Headset Playback") ||
427 	    !strcmp(fe_dai_link->name, "Kbl Audio Capture Port")) {
428 		rate->min = rate->max = 48000;
429 		channels->min = channels->max = 2;
430 		snd_mask_none(fmt);
431 		snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
432 	}
433 	/*
434 	 * The speaker on the SSP0 supports S16_LE and not S24_LE.
435 	 * thus changing the mask here
436 	 */
437 	if (!strcmp(be_dai_link->name, "SSP0-Codec"))
438 		snd_mask_set(fmt, SNDRV_PCM_FORMAT_S16_LE);
439 
440 	return 0;
441 }
442 
443 static int kabylake_rt5663_hw_params(struct snd_pcm_substream *substream,
444 	struct snd_pcm_hw_params *params)
445 {
446 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
447 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
448 	int ret;
449 
450 	/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
451 	rt5663_sel_asrc_clk_src(codec_dai->codec,
452 			RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
453 			RT5663_CLK_SEL_I2S1_ASRC);
454 
455 	ret = snd_soc_dai_set_sysclk(codec_dai,
456 			RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
457 	if (ret < 0)
458 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
459 
460 	return ret;
461 }
462 
463 static struct snd_soc_ops kabylake_rt5663_ops = {
464 	.hw_params = kabylake_rt5663_hw_params,
465 };
466 
467 static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
468 		struct snd_pcm_hw_params *params)
469 {
470 	struct snd_interval *channels = hw_param_interval(params,
471 				SNDRV_PCM_HW_PARAM_CHANNELS);
472 
473 	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
474 		channels->min = channels->max = 2;
475 	else
476 		channels->min = channels->max = 4;
477 
478 	return 0;
479 }
480 
481 static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
482 					struct snd_pcm_hw_params *params)
483 {
484 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
485 	int ret = 0, j;
486 
487 	for (j = 0; j < rtd->num_codecs; j++) {
488 		struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
489 
490 		if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME)) {
491 			/*
492 			 * Use channel 4 and 5 for the first amp
493 			 */
494 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
495 			if (ret < 0) {
496 				dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
497 				return ret;
498 			}
499 		}
500 		if (!strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) {
501 			/*
502 			 * Use channel 6 and 7 for the second amp
503 			 */
504 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);
505 			if (ret < 0) {
506 				dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
507 				return ret;
508 			}
509 		}
510 	}
511 	return ret;
512 }
513 
514 static struct snd_soc_ops kabylake_ssp0_ops = {
515 	.hw_params = kabylake_ssp0_hw_params,
516 };
517 
518 static unsigned int channels_dmic[] = {
519 	2, 4,
520 };
521 
522 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
523 	.count = ARRAY_SIZE(channels_dmic),
524 	.list = channels_dmic,
525 	.mask = 0,
526 };
527 
528 static const unsigned int dmic_2ch[] = {
529 	2,
530 };
531 
532 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
533 	.count = ARRAY_SIZE(dmic_2ch),
534 	.list = dmic_2ch,
535 	.mask = 0,
536 };
537 
538 static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
539 {
540 	struct snd_pcm_runtime *runtime = substream->runtime;
541 
542 	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
543 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
544 			dmic_constraints);
545 
546 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
547 			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
548 }
549 
550 static struct snd_soc_ops kabylake_dmic_ops = {
551 	.startup = kabylake_dmic_startup,
552 };
553 
554 static unsigned int rates_16000[] = {
555 	16000,
556 };
557 
558 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
559 	.count = ARRAY_SIZE(rates_16000),
560 	.list  = rates_16000,
561 };
562 
563 static const unsigned int ch_mono[] = {
564 	1,
565 };
566 
567 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
568 	.count = ARRAY_SIZE(ch_mono),
569 	.list  = ch_mono,
570 };
571 
572 static int kabylake_refcap_startup(struct snd_pcm_substream *substream)
573 {
574 	substream->runtime->hw.channels_max = 1;
575 	snd_pcm_hw_constraint_list(substream->runtime, 0,
576 					SNDRV_PCM_HW_PARAM_CHANNELS,
577 					&constraints_refcap);
578 
579 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
580 				SNDRV_PCM_HW_PARAM_RATE,
581 				&constraints_16000);
582 }
583 
584 static struct snd_soc_ops skylaye_refcap_ops = {
585 	.startup = kabylake_refcap_startup,
586 };
587 
588 /* kabylake digital audio interface glue - connects codec <--> CPU */
589 static struct snd_soc_dai_link kabylake_dais[] = {
590 	/* Front End DAI links */
591 	[KBL_DPCM_AUDIO_PB] = {
592 		.name = "Kbl Audio Port",
593 		.stream_name = "Audio",
594 		.cpu_dai_name = "System Pin",
595 		.platform_name = "0000:00:1f.3",
596 		.dynamic = 1,
597 		.codec_name = "snd-soc-dummy",
598 		.codec_dai_name = "snd-soc-dummy-dai",
599 		.nonatomic = 1,
600 		.init = kabylake_rt5663_fe_init,
601 		.trigger = {
602 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
603 		.dpcm_playback = 1,
604 		.ops = &kabylake_rt5663_fe_ops,
605 	},
606 	[KBL_DPCM_AUDIO_CP] = {
607 		.name = "Kbl Audio Capture Port",
608 		.stream_name = "Audio Record",
609 		.cpu_dai_name = "System Pin",
610 		.platform_name = "0000:00:1f.3",
611 		.dynamic = 1,
612 		.codec_name = "snd-soc-dummy",
613 		.codec_dai_name = "snd-soc-dummy-dai",
614 		.nonatomic = 1,
615 		.trigger = {
616 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
617 		.dpcm_capture = 1,
618 		.ops = &kabylake_rt5663_fe_ops,
619 	},
620 	[KBL_DPCM_AUDIO_HS_PB] = {
621 		.name = "Kbl Audio Headset Playback",
622 		.stream_name = "Headset Audio",
623 		.cpu_dai_name = "System Pin2",
624 		.codec_name = "snd-soc-dummy",
625 		.codec_dai_name = "snd-soc-dummy-dai",
626 		.platform_name = "0000:00:1f.3",
627 		.dpcm_playback = 1,
628 		.nonatomic = 1,
629 		.dynamic = 1,
630 	},
631 	[KBL_DPCM_AUDIO_ECHO_REF_CP] = {
632 		.name = "Kbl Audio Echo Reference cap",
633 		.stream_name = "Echoreference Capture",
634 		.cpu_dai_name = "Echoref Pin",
635 		.codec_name = "snd-soc-dummy",
636 		.codec_dai_name = "snd-soc-dummy-dai",
637 		.platform_name = "0000:00:1f.3",
638 		.init = NULL,
639 		.capture_only = 1,
640 		.nonatomic = 1,
641 	},
642 	[KBL_DPCM_AUDIO_REF_CP] = {
643 		.name = "Kbl Audio Reference cap",
644 		.stream_name = "Wake on Voice",
645 		.cpu_dai_name = "Reference Pin",
646 		.codec_name = "snd-soc-dummy",
647 		.codec_dai_name = "snd-soc-dummy-dai",
648 		.platform_name = "0000:00:1f.3",
649 		.init = NULL,
650 		.dpcm_capture = 1,
651 		.nonatomic = 1,
652 		.dynamic = 1,
653 		.ops = &skylaye_refcap_ops,
654 	},
655 	[KBL_DPCM_AUDIO_DMIC_CP] = {
656 		.name = "Kbl Audio DMIC cap",
657 		.stream_name = "dmiccap",
658 		.cpu_dai_name = "DMIC Pin",
659 		.codec_name = "snd-soc-dummy",
660 		.codec_dai_name = "snd-soc-dummy-dai",
661 		.platform_name = "0000:00:1f.3",
662 		.init = NULL,
663 		.dpcm_capture = 1,
664 		.nonatomic = 1,
665 		.dynamic = 1,
666 		.ops = &kabylake_dmic_ops,
667 	},
668 	[KBL_DPCM_AUDIO_HDMI1_PB] = {
669 		.name = "Kbl HDMI Port1",
670 		.stream_name = "Hdmi1",
671 		.cpu_dai_name = "HDMI1 Pin",
672 		.codec_name = "snd-soc-dummy",
673 		.codec_dai_name = "snd-soc-dummy-dai",
674 		.platform_name = "0000:00:1f.3",
675 		.dpcm_playback = 1,
676 		.init = NULL,
677 		.trigger = {
678 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
679 		.nonatomic = 1,
680 		.dynamic = 1,
681 	},
682 	[KBL_DPCM_AUDIO_HDMI2_PB] = {
683 		.name = "Kbl HDMI Port2",
684 		.stream_name = "Hdmi2",
685 		.cpu_dai_name = "HDMI2 Pin",
686 		.codec_name = "snd-soc-dummy",
687 		.codec_dai_name = "snd-soc-dummy-dai",
688 		.platform_name = "0000:00:1f.3",
689 		.dpcm_playback = 1,
690 		.init = NULL,
691 		.trigger = {
692 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
693 		.nonatomic = 1,
694 		.dynamic = 1,
695 	},
696 	[KBL_DPCM_AUDIO_HDMI3_PB] = {
697 		.name = "Kbl HDMI Port3",
698 		.stream_name = "Hdmi3",
699 		.cpu_dai_name = "HDMI3 Pin",
700 		.codec_name = "snd-soc-dummy",
701 		.codec_dai_name = "snd-soc-dummy-dai",
702 		.platform_name = "0000:00:1f.3",
703 		.trigger = {
704 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
705 		.dpcm_playback = 1,
706 		.init = NULL,
707 		.nonatomic = 1,
708 		.dynamic = 1,
709 	},
710 
711 	/* Back End DAI links */
712 	{
713 		/* SSP0 - Codec */
714 		.name = "SSP0-Codec",
715 		.id = 0,
716 		.cpu_dai_name = "SSP0 Pin",
717 		.platform_name = "0000:00:1f.3",
718 		.no_pcm = 1,
719 		.codecs = max98927_codec_components,
720 		.num_codecs = ARRAY_SIZE(max98927_codec_components),
721 		.dai_fmt = SND_SOC_DAIFMT_DSP_B |
722 			SND_SOC_DAIFMT_NB_NF |
723 			SND_SOC_DAIFMT_CBS_CFS,
724 		.ignore_pmdown_time = 1,
725 		.be_hw_params_fixup = kabylake_ssp_fixup,
726 		.dpcm_playback = 1,
727 		.ops = &kabylake_ssp0_ops,
728 	},
729 	{
730 		/* SSP1 - Codec */
731 		.name = "SSP1-Codec",
732 		.id = 1,
733 		.cpu_dai_name = "SSP1 Pin",
734 		.platform_name = "0000:00:1f.3",
735 		.no_pcm = 1,
736 		.codec_name = "i2c-10EC5663:00",
737 		.codec_dai_name = KBL_REALTEK_CODEC_DAI,
738 		.init = kabylake_rt5663_max98927_codec_init,
739 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
740 			SND_SOC_DAIFMT_CBS_CFS,
741 		.ignore_pmdown_time = 1,
742 		.be_hw_params_fixup = kabylake_ssp_fixup,
743 		.ops = &kabylake_rt5663_ops,
744 		.dpcm_playback = 1,
745 		.dpcm_capture = 1,
746 	},
747 	{
748 		.name = "dmic01",
749 		.id = 2,
750 		.cpu_dai_name = "DMIC01 Pin",
751 		.codec_name = "dmic-codec",
752 		.codec_dai_name = "dmic-hifi",
753 		.platform_name = "0000:00:1f.3",
754 		.be_hw_params_fixup = kabylake_dmic_fixup,
755 		.ignore_suspend = 1,
756 		.dpcm_capture = 1,
757 		.no_pcm = 1,
758 	},
759 	{
760 		.name = "iDisp1",
761 		.id = 3,
762 		.cpu_dai_name = "iDisp1 Pin",
763 		.codec_name = "ehdaudio0D2",
764 		.codec_dai_name = "intel-hdmi-hifi1",
765 		.platform_name = "0000:00:1f.3",
766 		.dpcm_playback = 1,
767 		.init = kabylake_hdmi1_init,
768 		.no_pcm = 1,
769 	},
770 	{
771 		.name = "iDisp2",
772 		.id = 4,
773 		.cpu_dai_name = "iDisp2 Pin",
774 		.codec_name = "ehdaudio0D2",
775 		.codec_dai_name = "intel-hdmi-hifi2",
776 		.platform_name = "0000:00:1f.3",
777 		.init = kabylake_hdmi2_init,
778 		.dpcm_playback = 1,
779 		.no_pcm = 1,
780 	},
781 	{
782 		.name = "iDisp3",
783 		.id = 5,
784 		.cpu_dai_name = "iDisp3 Pin",
785 		.codec_name = "ehdaudio0D2",
786 		.codec_dai_name = "intel-hdmi-hifi3",
787 		.platform_name = "0000:00:1f.3",
788 		.init = kabylake_hdmi3_init,
789 		.dpcm_playback = 1,
790 		.no_pcm = 1,
791 	},
792 };
793 
794 static struct snd_soc_dai_link kabylake_5663_dais[] = {
795 	/* Front End DAI links */
796 	[KBL_DPCM_AUDIO_5663_PB] = {
797 		.name = "Kbl Audio Port",
798 		.stream_name = "Audio",
799 		.cpu_dai_name = "System Pin",
800 		.platform_name = "0000:00:1f.3",
801 		.dynamic = 1,
802 		.codec_name = "snd-soc-dummy",
803 		.codec_dai_name = "snd-soc-dummy-dai",
804 		.nonatomic = 1,
805 		.trigger = {
806 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
807 		.dpcm_playback = 1,
808 		.ops = &kabylake_rt5663_fe_ops,
809 	},
810 	[KBL_DPCM_AUDIO_5663_CP] = {
811 		.name = "Kbl Audio Capture Port",
812 		.stream_name = "Audio Record",
813 		.cpu_dai_name = "System Pin",
814 		.platform_name = "0000:00:1f.3",
815 		.dynamic = 1,
816 		.codec_name = "snd-soc-dummy",
817 		.codec_dai_name = "snd-soc-dummy-dai",
818 		.nonatomic = 1,
819 		.trigger = {
820 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
821 		.dpcm_capture = 1,
822 		.ops = &kabylake_rt5663_fe_ops,
823 	},
824 	[KBL_DPCM_AUDIO_5663_HDMI1_PB] = {
825 		.name = "Kbl HDMI Port1",
826 		.stream_name = "Hdmi1",
827 		.cpu_dai_name = "HDMI1 Pin",
828 		.codec_name = "snd-soc-dummy",
829 		.codec_dai_name = "snd-soc-dummy-dai",
830 		.platform_name = "0000:00:1f.3",
831 		.dpcm_playback = 1,
832 		.init = NULL,
833 		.trigger = {
834 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
835 		.nonatomic = 1,
836 		.dynamic = 1,
837 	},
838 	[KBL_DPCM_AUDIO_5663_HDMI2_PB] = {
839 		.name = "Kbl HDMI Port2",
840 		.stream_name = "Hdmi2",
841 		.cpu_dai_name = "HDMI2 Pin",
842 		.codec_name = "snd-soc-dummy",
843 		.codec_dai_name = "snd-soc-dummy-dai",
844 		.platform_name = "0000:00:1f.3",
845 		.dpcm_playback = 1,
846 		.init = NULL,
847 		.trigger = {
848 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
849 		.nonatomic = 1,
850 		.dynamic = 1,
851 	},
852 
853 	/* Back End DAI links */
854 	{
855 		/* SSP1 - Codec */
856 		.name = "SSP1-Codec",
857 		.id = 0,
858 		.cpu_dai_name = "SSP1 Pin",
859 		.platform_name = "0000:00:1f.3",
860 		.no_pcm = 1,
861 		.codec_name = "i2c-10EC5663:00",
862 		.codec_dai_name = KBL_REALTEK_CODEC_DAI,
863 		.init = kabylake_rt5663_codec_init,
864 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
865 			SND_SOC_DAIFMT_CBS_CFS,
866 		.ignore_pmdown_time = 1,
867 		.be_hw_params_fixup = kabylake_ssp_fixup,
868 		.ops = &kabylake_rt5663_ops,
869 		.dpcm_playback = 1,
870 		.dpcm_capture = 1,
871 	},
872 	{
873 		.name = "iDisp1",
874 		.id = 1,
875 		.cpu_dai_name = "iDisp1 Pin",
876 		.codec_name = "ehdaudio0D2",
877 		.codec_dai_name = "intel-hdmi-hifi1",
878 		.platform_name = "0000:00:1f.3",
879 		.dpcm_playback = 1,
880 		.init = kabylake_5663_hdmi1_init,
881 		.no_pcm = 1,
882 	},
883 	{
884 		.name = "iDisp2",
885 		.id = 2,
886 		.cpu_dai_name = "iDisp2 Pin",
887 		.codec_name = "ehdaudio0D2",
888 		.codec_dai_name = "intel-hdmi-hifi2",
889 		.platform_name = "0000:00:1f.3",
890 		.init = kabylake_5663_hdmi2_init,
891 		.dpcm_playback = 1,
892 		.no_pcm = 1,
893 	},
894 };
895 
896 #define NAME_SIZE	32
897 static int kabylake_card_late_probe(struct snd_soc_card *card)
898 {
899 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(card);
900 	struct kbl_hdmi_pcm *pcm;
901 	struct snd_soc_codec *codec = NULL;
902 	int err, i = 0;
903 	char jack_name[NAME_SIZE];
904 
905 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
906 		codec = pcm->codec_dai->codec;
907 		snprintf(jack_name, sizeof(jack_name),
908 			"HDMI/DP, pcm=%d Jack", pcm->device);
909 		err = snd_soc_card_jack_new(card, jack_name,
910 					SND_JACK_AVOUT, &skylake_hdmi[i],
911 					NULL, 0);
912 
913 		if (err)
914 			return err;
915 
916 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
917 						&skylake_hdmi[i]);
918 		if (err < 0)
919 			return err;
920 
921 		i++;
922 	}
923 
924 	if (!codec)
925 		return -EINVAL;
926 
927 	return hdac_hdmi_jack_port_init(codec, &card->dapm);
928 }
929 
930 /* kabylake audio machine driver for SPT + RT5663 */
931 static struct snd_soc_card kabylake_audio_card_rt5663_m98927 = {
932 	.name = "kblrt5663max",
933 	.owner = THIS_MODULE,
934 	.dai_link = kabylake_dais,
935 	.num_links = ARRAY_SIZE(kabylake_dais),
936 	.controls = kabylake_controls,
937 	.num_controls = ARRAY_SIZE(kabylake_controls),
938 	.dapm_widgets = kabylake_widgets,
939 	.num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
940 	.dapm_routes = kabylake_map,
941 	.num_dapm_routes = ARRAY_SIZE(kabylake_map),
942 	.codec_conf = max98927_codec_conf,
943 	.num_configs = ARRAY_SIZE(max98927_codec_conf),
944 	.fully_routed = true,
945 	.late_probe = kabylake_card_late_probe,
946 };
947 
948 /* kabylake audio machine driver for RT5663 */
949 static struct snd_soc_card kabylake_audio_card_rt5663 = {
950 	.name = "kblrt5663",
951 	.owner = THIS_MODULE,
952 	.dai_link = kabylake_5663_dais,
953 	.num_links = ARRAY_SIZE(kabylake_5663_dais),
954 	.controls = kabylake_5663_controls,
955 	.num_controls = ARRAY_SIZE(kabylake_5663_controls),
956 	.dapm_widgets = kabylake_5663_widgets,
957 	.num_dapm_widgets = ARRAY_SIZE(kabylake_5663_widgets),
958 	.dapm_routes = kabylake_5663_map,
959 	.num_dapm_routes = ARRAY_SIZE(kabylake_5663_map),
960 	.fully_routed = true,
961 	.late_probe = kabylake_card_late_probe,
962 };
963 
964 static int kabylake_audio_probe(struct platform_device *pdev)
965 {
966 	struct kbl_rt5663_private *ctx;
967 	struct skl_machine_pdata *pdata;
968 	int ret;
969 
970 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
971 	if (!ctx)
972 		return -ENOMEM;
973 
974 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
975 
976 	kabylake_audio_card =
977 		(struct snd_soc_card *)pdev->id_entry->driver_data;
978 
979 	kabylake_audio_card->dev = &pdev->dev;
980 	snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
981 
982 	pdata = dev_get_drvdata(&pdev->dev);
983 	if (pdata)
984 		dmic_constraints = pdata->dmic_num == 2 ?
985 			&constraints_dmic_2ch : &constraints_dmic_channels;
986 
987 	ctx->mclk = devm_clk_get(&pdev->dev, "ssp1_mclk");
988 	if (IS_ERR(ctx->mclk)) {
989 		ret = PTR_ERR(ctx->mclk);
990 		if (ret == -ENOENT) {
991 			dev_info(&pdev->dev,
992 				"Failed to get ssp1_sclk, defer probe\n");
993 			return -EPROBE_DEFER;
994 		}
995 
996 		dev_err(&pdev->dev, "Failed to get ssp1_mclk with err:%d\n",
997 								ret);
998 		return ret;
999 	}
1000 
1001 	ctx->sclk = devm_clk_get(&pdev->dev, "ssp1_sclk");
1002 	if (IS_ERR(ctx->sclk)) {
1003 		ret = PTR_ERR(ctx->sclk);
1004 		if (ret == -ENOENT) {
1005 			dev_info(&pdev->dev,
1006 				"Failed to get ssp1_sclk, defer probe\n");
1007 			return -EPROBE_DEFER;
1008 		}
1009 
1010 		dev_err(&pdev->dev, "Failed to get ssp1_sclk with err:%d\n",
1011 								ret);
1012 		return ret;
1013 	}
1014 
1015 	return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
1016 }
1017 
1018 static const struct platform_device_id kbl_board_ids[] = {
1019 	{
1020 		.name = "kbl_rt5663",
1021 		.driver_data = (kernel_ulong_t)&kabylake_audio_card_rt5663,
1022 	},
1023 	{
1024 		.name = "kbl_rt5663_m98927",
1025 		.driver_data =
1026 			(kernel_ulong_t)&kabylake_audio_card_rt5663_m98927,
1027 	},
1028 	{ }
1029 };
1030 
1031 static struct platform_driver kabylake_audio = {
1032 	.probe = kabylake_audio_probe,
1033 	.driver = {
1034 		.name = "kbl_rt5663_m98927",
1035 		.pm = &snd_soc_pm_ops,
1036 	},
1037 	.id_table = kbl_board_ids,
1038 };
1039 
1040 module_platform_driver(kabylake_audio)
1041 
1042 /* Module information */
1043 MODULE_DESCRIPTION("Audio Machine driver-RT5663 & MAX98927 in I2S mode");
1044 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
1045 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
1046 MODULE_LICENSE("GPL v2");
1047 MODULE_ALIAS("platform:kbl_rt5663");
1048 MODULE_ALIAS("platform:kbl_rt5663_m98927");
1049