1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Intel Kabylake I2S Machine Driver with MAXIM98927
4  * and RT5663 Codecs
5  *
6  * Copyright (C) 2017, Intel Corporation. All rights reserved.
7  *
8  * Modified from:
9  *   Intel Skylake I2S Machine driver
10  */
11 
12 #include <linux/input.h>
13 #include <linux/module.h>
14 #include <linux/platform_device.h>
15 #include <sound/core.h>
16 #include <sound/jack.h>
17 #include <sound/pcm.h>
18 #include <sound/pcm_params.h>
19 #include <sound/soc.h>
20 #include <sound/soc-acpi.h>
21 #include "../../codecs/rt5663.h"
22 #include "../../codecs/hdac_hdmi.h"
23 #include <linux/clk.h>
24 #include <linux/clk-provider.h>
25 #include <linux/clkdev.h>
26 
27 #define KBL_REALTEK_CODEC_DAI "rt5663-aif"
28 #define KBL_MAXIM_CODEC_DAI "max98927-aif1"
29 #define DMIC_CH(p) p->list[p->count-1]
30 #define MAXIM_DEV0_NAME "i2c-MX98927:00"
31 #define MAXIM_DEV1_NAME "i2c-MX98927:01"
32 
33 static struct snd_soc_card *kabylake_audio_card;
34 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
35 static struct snd_soc_jack skylake_hdmi[3];
36 
37 struct kbl_hdmi_pcm {
38 	struct list_head head;
39 	struct snd_soc_dai *codec_dai;
40 	int device;
41 };
42 
43 struct kbl_rt5663_private {
44 	struct snd_soc_jack kabylake_headset;
45 	struct list_head hdmi_pcm_list;
46 	struct clk *mclk;
47 	struct clk *sclk;
48 };
49 
50 enum {
51 	KBL_DPCM_AUDIO_PB = 0,
52 	KBL_DPCM_AUDIO_CP,
53 	KBL_DPCM_AUDIO_HS_PB,
54 	KBL_DPCM_AUDIO_ECHO_REF_CP,
55 	KBL_DPCM_AUDIO_REF_CP,
56 	KBL_DPCM_AUDIO_DMIC_CP,
57 	KBL_DPCM_AUDIO_HDMI1_PB,
58 	KBL_DPCM_AUDIO_HDMI2_PB,
59 	KBL_DPCM_AUDIO_HDMI3_PB,
60 };
61 
62 static const struct snd_kcontrol_new kabylake_controls[] = {
63 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
64 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
65 	SOC_DAPM_PIN_SWITCH("Left Spk"),
66 	SOC_DAPM_PIN_SWITCH("Right Spk"),
67 };
68 
69 static int platform_clock_control(struct snd_soc_dapm_widget *w,
70 			struct snd_kcontrol *k, int  event)
71 {
72 	struct snd_soc_dapm_context *dapm = w->dapm;
73 	struct snd_soc_card *card = dapm->card;
74 	struct kbl_rt5663_private *priv = snd_soc_card_get_drvdata(card);
75 	int ret = 0;
76 
77 	/*
78 	 * MCLK/SCLK need to be ON early for a successful synchronization of
79 	 * codec internal clock. And the clocks are turned off during
80 	 * POST_PMD after the stream is stopped.
81 	 */
82 	switch (event) {
83 	case SND_SOC_DAPM_PRE_PMU:
84 		/* Enable MCLK */
85 		ret = clk_set_rate(priv->mclk, 24000000);
86 		if (ret < 0) {
87 			dev_err(card->dev, "Can't set rate for mclk, err: %d\n",
88 				ret);
89 			return ret;
90 		}
91 
92 		ret = clk_prepare_enable(priv->mclk);
93 		if (ret < 0) {
94 			dev_err(card->dev, "Can't enable mclk, err: %d\n", ret);
95 			return ret;
96 		}
97 
98 		/* Enable SCLK */
99 		ret = clk_set_rate(priv->sclk, 3072000);
100 		if (ret < 0) {
101 			dev_err(card->dev, "Can't set rate for sclk, err: %d\n",
102 				ret);
103 			clk_disable_unprepare(priv->mclk);
104 			return ret;
105 		}
106 
107 		ret = clk_prepare_enable(priv->sclk);
108 		if (ret < 0) {
109 			dev_err(card->dev, "Can't enable sclk, err: %d\n", ret);
110 			clk_disable_unprepare(priv->mclk);
111 		}
112 		break;
113 	case SND_SOC_DAPM_POST_PMD:
114 		clk_disable_unprepare(priv->mclk);
115 		clk_disable_unprepare(priv->sclk);
116 		break;
117 	default:
118 		return 0;
119 	}
120 
121 	return 0;
122 }
123 
124 static const struct snd_soc_dapm_widget kabylake_widgets[] = {
125 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
126 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
127 	SND_SOC_DAPM_SPK("Left Spk", NULL),
128 	SND_SOC_DAPM_SPK("Right Spk", NULL),
129 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
130 	SND_SOC_DAPM_SPK("HDMI1", NULL),
131 	SND_SOC_DAPM_SPK("HDMI2", NULL),
132 	SND_SOC_DAPM_SPK("HDMI3", NULL),
133 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
134 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
135 			SND_SOC_DAPM_POST_PMD),
136 };
137 
138 static const struct snd_soc_dapm_route kabylake_map[] = {
139 	/* HP jack connectors - unknown if we have jack detection */
140 	{ "Headphone Jack", NULL, "Platform Clock" },
141 	{ "Headphone Jack", NULL, "HPOL" },
142 	{ "Headphone Jack", NULL, "HPOR" },
143 
144 	/* speaker */
145 	{ "Left Spk", NULL, "Left BE_OUT" },
146 	{ "Right Spk", NULL, "Right BE_OUT" },
147 
148 	/* other jacks */
149 	{ "Headset Mic", NULL, "Platform Clock" },
150 	{ "IN1P", NULL, "Headset Mic" },
151 	{ "IN1N", NULL, "Headset Mic" },
152 	{ "DMic", NULL, "SoC DMIC" },
153 
154 	/* CODEC BE connections */
155 	{ "Left HiFi Playback", NULL, "ssp0 Tx" },
156 	{ "Right HiFi Playback", NULL, "ssp0 Tx" },
157 	{ "ssp0 Tx", NULL, "spk_out" },
158 
159 	{ "AIF Playback", NULL, "ssp1 Tx" },
160 	{ "ssp1 Tx", NULL, "codec1_out" },
161 
162 	{ "hs_in", NULL, "ssp1 Rx" },
163 	{ "ssp1 Rx", NULL, "AIF Capture" },
164 
165 	/* IV feedback path */
166 	{ "codec0_fb_in", NULL, "ssp0 Rx"},
167 	{ "ssp0 Rx", NULL, "Left HiFi Capture" },
168 	{ "ssp0 Rx", NULL, "Right HiFi Capture" },
169 
170 	/* DMIC */
171 	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
172 	{ "DMIC01 Rx", NULL, "DMIC AIF" },
173 
174 	{ "hifi3", NULL, "iDisp3 Tx"},
175 	{ "iDisp3 Tx", NULL, "iDisp3_out"},
176 	{ "hifi2", NULL, "iDisp2 Tx"},
177 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
178 	{ "hifi1", NULL, "iDisp1 Tx"},
179 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
180 };
181 
182 enum {
183 	KBL_DPCM_AUDIO_5663_PB = 0,
184 	KBL_DPCM_AUDIO_5663_CP,
185 	KBL_DPCM_AUDIO_5663_HDMI1_PB,
186 	KBL_DPCM_AUDIO_5663_HDMI2_PB,
187 };
188 
189 static const struct snd_kcontrol_new kabylake_5663_controls[] = {
190 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
191 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
192 };
193 
194 static const struct snd_soc_dapm_widget kabylake_5663_widgets[] = {
195 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
196 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
197 	SND_SOC_DAPM_SPK("DP", NULL),
198 	SND_SOC_DAPM_SPK("HDMI", NULL),
199 	SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
200 			platform_clock_control, SND_SOC_DAPM_PRE_PMU |
201 			SND_SOC_DAPM_POST_PMD),
202 };
203 
204 static const struct snd_soc_dapm_route kabylake_5663_map[] = {
205 	{ "Headphone Jack", NULL, "Platform Clock" },
206 	{ "Headphone Jack", NULL, "HPOL" },
207 	{ "Headphone Jack", NULL, "HPOR" },
208 
209 	/* other jacks */
210 	{ "Headset Mic", NULL, "Platform Clock" },
211 	{ "IN1P", NULL, "Headset Mic" },
212 	{ "IN1N", NULL, "Headset Mic" },
213 
214 	{ "HDMI", NULL, "hif5 Output" },
215 	{ "DP", NULL, "hif6 Output" },
216 
217 	/* CODEC BE connections */
218 	{ "AIF Playback", NULL, "ssp1 Tx" },
219 	{ "ssp1 Tx", NULL, "codec1_out" },
220 
221 	{ "codec0_in", NULL, "ssp1 Rx" },
222 	{ "ssp1 Rx", NULL, "AIF Capture" },
223 
224 	{ "hifi2", NULL, "iDisp2 Tx"},
225 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
226 	{ "hifi1", NULL, "iDisp1 Tx"},
227 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
228 };
229 
230 static struct snd_soc_codec_conf max98927_codec_conf[] = {
231 	{
232 		.dev_name = MAXIM_DEV0_NAME,
233 		.name_prefix = "Right",
234 	},
235 	{
236 		.dev_name = MAXIM_DEV1_NAME,
237 		.name_prefix = "Left",
238 	},
239 };
240 
241 static struct snd_soc_dai_link_component max98927_codec_components[] = {
242 	{ /* Left */
243 		.name = MAXIM_DEV0_NAME,
244 		.dai_name = KBL_MAXIM_CODEC_DAI,
245 	},
246 	{ /* Right */
247 		.name = MAXIM_DEV1_NAME,
248 		.dai_name = KBL_MAXIM_CODEC_DAI,
249 	},
250 };
251 
252 static int kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime *rtd)
253 {
254 	int ret;
255 	struct snd_soc_dapm_context *dapm;
256 	struct snd_soc_component *component = rtd->cpu_dai->component;
257 
258 	dapm = snd_soc_component_get_dapm(component);
259 	ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
260 	if (ret) {
261 		dev_err(rtd->dev, "Ref Cap ignore suspend failed %d\n", ret);
262 		return ret;
263 	}
264 
265 	return ret;
266 }
267 
268 static int kabylake_rt5663_codec_init(struct snd_soc_pcm_runtime *rtd)
269 {
270 	int ret;
271 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
272 	struct snd_soc_component *component = rtd->codec_dai->component;
273 	struct snd_soc_jack *jack;
274 
275 	/*
276 	 * Headset buttons map to the google Reference headset.
277 	 * These can be configured by userspace.
278 	 */
279 	ret = snd_soc_card_jack_new(kabylake_audio_card, "Headset Jack",
280 			SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
281 			SND_JACK_BTN_2 | SND_JACK_BTN_3, &ctx->kabylake_headset,
282 			NULL, 0);
283 	if (ret) {
284 		dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
285 		return ret;
286 	}
287 
288 	jack = &ctx->kabylake_headset;
289 	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
290 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOICECOMMAND);
291 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEUP);
292 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOLUMEDOWN);
293 
294 	snd_soc_component_set_jack(component, &ctx->kabylake_headset, NULL);
295 
296 	return ret;
297 }
298 
299 static int kabylake_rt5663_max98927_codec_init(struct snd_soc_pcm_runtime *rtd)
300 {
301 	int ret;
302 
303 	ret = kabylake_rt5663_codec_init(rtd);
304 	if (ret)
305 		return ret;
306 
307 	ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
308 	if (ret) {
309 		dev_err(rtd->dev, "SoC DMIC ignore suspend failed %d\n", ret);
310 		return ret;
311 	}
312 
313 	return ret;
314 }
315 
316 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
317 {
318 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(rtd->card);
319 	struct snd_soc_dai *dai = rtd->codec_dai;
320 	struct kbl_hdmi_pcm *pcm;
321 
322 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
323 	if (!pcm)
324 		return -ENOMEM;
325 
326 	pcm->device = device;
327 	pcm->codec_dai = dai;
328 
329 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
330 
331 	return 0;
332 }
333 
334 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
335 {
336 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
337 }
338 
339 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
340 {
341 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
342 }
343 
344 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
345 {
346 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
347 }
348 
349 static int kabylake_5663_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
350 {
351 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_5663_HDMI1_PB);
352 }
353 
354 static int kabylake_5663_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
355 {
356 	return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_5663_HDMI2_PB);
357 }
358 
359 static unsigned int rates[] = {
360 	48000,
361 };
362 
363 static const struct snd_pcm_hw_constraint_list constraints_rates = {
364 	.count = ARRAY_SIZE(rates),
365 	.list  = rates,
366 	.mask = 0,
367 };
368 
369 static unsigned int channels[] = {
370 	2,
371 };
372 
373 static const struct snd_pcm_hw_constraint_list constraints_channels = {
374 	.count = ARRAY_SIZE(channels),
375 	.list = channels,
376 	.mask = 0,
377 };
378 
379 static int kbl_fe_startup(struct snd_pcm_substream *substream)
380 {
381 	struct snd_pcm_runtime *runtime = substream->runtime;
382 
383 	/*
384 	 * On this platform for PCM device we support,
385 	 * 48Khz
386 	 * stereo
387 	 * 16 bit audio
388 	 */
389 
390 	runtime->hw.channels_max = 2;
391 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
392 					   &constraints_channels);
393 
394 	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
395 	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
396 
397 	snd_pcm_hw_constraint_list(runtime, 0,
398 				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
399 
400 	return 0;
401 }
402 
403 static const struct snd_soc_ops kabylake_rt5663_fe_ops = {
404 	.startup = kbl_fe_startup,
405 };
406 
407 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
408 	struct snd_pcm_hw_params *params)
409 {
410 	struct snd_interval *rate = hw_param_interval(params,
411 			SNDRV_PCM_HW_PARAM_RATE);
412 	struct snd_interval *channels = hw_param_interval(params,
413 			SNDRV_PCM_HW_PARAM_CHANNELS);
414 	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
415 	struct snd_soc_dpcm *dpcm = container_of(
416 			params, struct snd_soc_dpcm, hw_params);
417 	struct snd_soc_dai_link *fe_dai_link = dpcm->fe->dai_link;
418 	struct snd_soc_dai_link *be_dai_link = dpcm->be->dai_link;
419 
420 	/*
421 	 * The ADSP will convert the FE rate to 48k, stereo, 24 bit
422 	 */
423 	if (!strcmp(fe_dai_link->name, "Kbl Audio Port") ||
424 	    !strcmp(fe_dai_link->name, "Kbl Audio Headset Playback") ||
425 	    !strcmp(fe_dai_link->name, "Kbl Audio Capture Port")) {
426 		rate->min = rate->max = 48000;
427 		channels->min = channels->max = 2;
428 		snd_mask_none(fmt);
429 		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
430 	}
431 	/*
432 	 * The speaker on the SSP0 supports S16_LE and not S24_LE.
433 	 * thus changing the mask here
434 	 */
435 	if (!strcmp(be_dai_link->name, "SSP0-Codec"))
436 		snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S16_LE);
437 
438 	return 0;
439 }
440 
441 static int kabylake_rt5663_hw_params(struct snd_pcm_substream *substream,
442 	struct snd_pcm_hw_params *params)
443 {
444 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
445 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
446 	int ret;
447 
448 	/* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
449 	rt5663_sel_asrc_clk_src(codec_dai->component,
450 			RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
451 			RT5663_CLK_SEL_I2S1_ASRC);
452 
453 	ret = snd_soc_dai_set_sysclk(codec_dai,
454 			RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
455 	if (ret < 0)
456 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
457 
458 	return ret;
459 }
460 
461 static struct snd_soc_ops kabylake_rt5663_ops = {
462 	.hw_params = kabylake_rt5663_hw_params,
463 };
464 
465 static int kabylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
466 		struct snd_pcm_hw_params *params)
467 {
468 	struct snd_interval *channels = hw_param_interval(params,
469 				SNDRV_PCM_HW_PARAM_CHANNELS);
470 
471 	if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
472 		channels->min = channels->max = 2;
473 	else
474 		channels->min = channels->max = 4;
475 
476 	return 0;
477 }
478 
479 static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
480 					struct snd_pcm_hw_params *params)
481 {
482 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
483 	struct snd_soc_dai *codec_dai;
484 	int ret = 0, j;
485 
486 	for_each_rtd_codec_dai(rtd, j, codec_dai) {
487 		if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME)) {
488 			/*
489 			 * Use channel 4 and 5 for the first amp
490 			 */
491 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0x30, 3, 8, 16);
492 			if (ret < 0) {
493 				dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
494 				return ret;
495 			}
496 		}
497 		if (!strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) {
498 			/*
499 			 * Use channel 6 and 7 for the second amp
500 			 */
501 			ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xC0, 3, 8, 16);
502 			if (ret < 0) {
503 				dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
504 				return ret;
505 			}
506 		}
507 	}
508 	return ret;
509 }
510 
511 static struct snd_soc_ops kabylake_ssp0_ops = {
512 	.hw_params = kabylake_ssp0_hw_params,
513 };
514 
515 static unsigned int channels_dmic[] = {
516 	2, 4,
517 };
518 
519 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
520 	.count = ARRAY_SIZE(channels_dmic),
521 	.list = channels_dmic,
522 	.mask = 0,
523 };
524 
525 static const unsigned int dmic_2ch[] = {
526 	2,
527 };
528 
529 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
530 	.count = ARRAY_SIZE(dmic_2ch),
531 	.list = dmic_2ch,
532 	.mask = 0,
533 };
534 
535 static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
536 {
537 	struct snd_pcm_runtime *runtime = substream->runtime;
538 
539 	runtime->hw.channels_max = DMIC_CH(dmic_constraints);
540 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
541 			dmic_constraints);
542 
543 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
544 			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
545 }
546 
547 static struct snd_soc_ops kabylake_dmic_ops = {
548 	.startup = kabylake_dmic_startup,
549 };
550 
551 static unsigned int rates_16000[] = {
552 	16000,
553 };
554 
555 static const struct snd_pcm_hw_constraint_list constraints_16000 = {
556 	.count = ARRAY_SIZE(rates_16000),
557 	.list  = rates_16000,
558 };
559 
560 static const unsigned int ch_mono[] = {
561 	1,
562 };
563 
564 static const struct snd_pcm_hw_constraint_list constraints_refcap = {
565 	.count = ARRAY_SIZE(ch_mono),
566 	.list  = ch_mono,
567 };
568 
569 static int kabylake_refcap_startup(struct snd_pcm_substream *substream)
570 {
571 	substream->runtime->hw.channels_max = 1;
572 	snd_pcm_hw_constraint_list(substream->runtime, 0,
573 					SNDRV_PCM_HW_PARAM_CHANNELS,
574 					&constraints_refcap);
575 
576 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
577 				SNDRV_PCM_HW_PARAM_RATE,
578 				&constraints_16000);
579 }
580 
581 static struct snd_soc_ops skylake_refcap_ops = {
582 	.startup = kabylake_refcap_startup,
583 };
584 
585 /* kabylake digital audio interface glue - connects codec <--> CPU */
586 static struct snd_soc_dai_link kabylake_dais[] = {
587 	/* Front End DAI links */
588 	[KBL_DPCM_AUDIO_PB] = {
589 		.name = "Kbl Audio Port",
590 		.stream_name = "Audio",
591 		.cpu_dai_name = "System Pin",
592 		.platform_name = "0000:00:1f.3",
593 		.dynamic = 1,
594 		.codec_name = "snd-soc-dummy",
595 		.codec_dai_name = "snd-soc-dummy-dai",
596 		.nonatomic = 1,
597 		.init = kabylake_rt5663_fe_init,
598 		.trigger = {
599 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
600 		.dpcm_playback = 1,
601 		.ops = &kabylake_rt5663_fe_ops,
602 	},
603 	[KBL_DPCM_AUDIO_CP] = {
604 		.name = "Kbl Audio Capture Port",
605 		.stream_name = "Audio Record",
606 		.cpu_dai_name = "System Pin",
607 		.platform_name = "0000:00:1f.3",
608 		.dynamic = 1,
609 		.codec_name = "snd-soc-dummy",
610 		.codec_dai_name = "snd-soc-dummy-dai",
611 		.nonatomic = 1,
612 		.trigger = {
613 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
614 		.dpcm_capture = 1,
615 		.ops = &kabylake_rt5663_fe_ops,
616 	},
617 	[KBL_DPCM_AUDIO_HS_PB] = {
618 		.name = "Kbl Audio Headset Playback",
619 		.stream_name = "Headset Audio",
620 		.cpu_dai_name = "System Pin2",
621 		.codec_name = "snd-soc-dummy",
622 		.codec_dai_name = "snd-soc-dummy-dai",
623 		.platform_name = "0000:00:1f.3",
624 		.dpcm_playback = 1,
625 		.nonatomic = 1,
626 		.dynamic = 1,
627 	},
628 	[KBL_DPCM_AUDIO_ECHO_REF_CP] = {
629 		.name = "Kbl Audio Echo Reference cap",
630 		.stream_name = "Echoreference Capture",
631 		.cpu_dai_name = "Echoref Pin",
632 		.codec_name = "snd-soc-dummy",
633 		.codec_dai_name = "snd-soc-dummy-dai",
634 		.platform_name = "0000:00:1f.3",
635 		.init = NULL,
636 		.capture_only = 1,
637 		.nonatomic = 1,
638 	},
639 	[KBL_DPCM_AUDIO_REF_CP] = {
640 		.name = "Kbl Audio Reference cap",
641 		.stream_name = "Wake on Voice",
642 		.cpu_dai_name = "Reference Pin",
643 		.codec_name = "snd-soc-dummy",
644 		.codec_dai_name = "snd-soc-dummy-dai",
645 		.platform_name = "0000:00:1f.3",
646 		.init = NULL,
647 		.dpcm_capture = 1,
648 		.nonatomic = 1,
649 		.dynamic = 1,
650 		.ops = &skylake_refcap_ops,
651 	},
652 	[KBL_DPCM_AUDIO_DMIC_CP] = {
653 		.name = "Kbl Audio DMIC cap",
654 		.stream_name = "dmiccap",
655 		.cpu_dai_name = "DMIC Pin",
656 		.codec_name = "snd-soc-dummy",
657 		.codec_dai_name = "snd-soc-dummy-dai",
658 		.platform_name = "0000:00:1f.3",
659 		.init = NULL,
660 		.dpcm_capture = 1,
661 		.nonatomic = 1,
662 		.dynamic = 1,
663 		.ops = &kabylake_dmic_ops,
664 	},
665 	[KBL_DPCM_AUDIO_HDMI1_PB] = {
666 		.name = "Kbl HDMI Port1",
667 		.stream_name = "Hdmi1",
668 		.cpu_dai_name = "HDMI1 Pin",
669 		.codec_name = "snd-soc-dummy",
670 		.codec_dai_name = "snd-soc-dummy-dai",
671 		.platform_name = "0000:00:1f.3",
672 		.dpcm_playback = 1,
673 		.init = NULL,
674 		.trigger = {
675 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
676 		.nonatomic = 1,
677 		.dynamic = 1,
678 	},
679 	[KBL_DPCM_AUDIO_HDMI2_PB] = {
680 		.name = "Kbl HDMI Port2",
681 		.stream_name = "Hdmi2",
682 		.cpu_dai_name = "HDMI2 Pin",
683 		.codec_name = "snd-soc-dummy",
684 		.codec_dai_name = "snd-soc-dummy-dai",
685 		.platform_name = "0000:00:1f.3",
686 		.dpcm_playback = 1,
687 		.init = NULL,
688 		.trigger = {
689 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
690 		.nonatomic = 1,
691 		.dynamic = 1,
692 	},
693 	[KBL_DPCM_AUDIO_HDMI3_PB] = {
694 		.name = "Kbl HDMI Port3",
695 		.stream_name = "Hdmi3",
696 		.cpu_dai_name = "HDMI3 Pin",
697 		.codec_name = "snd-soc-dummy",
698 		.codec_dai_name = "snd-soc-dummy-dai",
699 		.platform_name = "0000:00:1f.3",
700 		.trigger = {
701 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
702 		.dpcm_playback = 1,
703 		.init = NULL,
704 		.nonatomic = 1,
705 		.dynamic = 1,
706 	},
707 
708 	/* Back End DAI links */
709 	{
710 		/* SSP0 - Codec */
711 		.name = "SSP0-Codec",
712 		.id = 0,
713 		.cpu_dai_name = "SSP0 Pin",
714 		.platform_name = "0000:00:1f.3",
715 		.no_pcm = 1,
716 		.codecs = max98927_codec_components,
717 		.num_codecs = ARRAY_SIZE(max98927_codec_components),
718 		.dai_fmt = SND_SOC_DAIFMT_DSP_B |
719 			SND_SOC_DAIFMT_NB_NF |
720 			SND_SOC_DAIFMT_CBS_CFS,
721 		.ignore_pmdown_time = 1,
722 		.be_hw_params_fixup = kabylake_ssp_fixup,
723 		.dpcm_playback = 1,
724 		.ops = &kabylake_ssp0_ops,
725 	},
726 	{
727 		/* SSP1 - Codec */
728 		.name = "SSP1-Codec",
729 		.id = 1,
730 		.cpu_dai_name = "SSP1 Pin",
731 		.platform_name = "0000:00:1f.3",
732 		.no_pcm = 1,
733 		.codec_name = "i2c-10EC5663:00",
734 		.codec_dai_name = KBL_REALTEK_CODEC_DAI,
735 		.init = kabylake_rt5663_max98927_codec_init,
736 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
737 			SND_SOC_DAIFMT_CBS_CFS,
738 		.ignore_pmdown_time = 1,
739 		.be_hw_params_fixup = kabylake_ssp_fixup,
740 		.ops = &kabylake_rt5663_ops,
741 		.dpcm_playback = 1,
742 		.dpcm_capture = 1,
743 	},
744 	{
745 		.name = "dmic01",
746 		.id = 2,
747 		.cpu_dai_name = "DMIC01 Pin",
748 		.codec_name = "dmic-codec",
749 		.codec_dai_name = "dmic-hifi",
750 		.platform_name = "0000:00:1f.3",
751 		.be_hw_params_fixup = kabylake_dmic_fixup,
752 		.ignore_suspend = 1,
753 		.dpcm_capture = 1,
754 		.no_pcm = 1,
755 	},
756 	{
757 		.name = "iDisp1",
758 		.id = 3,
759 		.cpu_dai_name = "iDisp1 Pin",
760 		.codec_name = "ehdaudio0D2",
761 		.codec_dai_name = "intel-hdmi-hifi1",
762 		.platform_name = "0000:00:1f.3",
763 		.dpcm_playback = 1,
764 		.init = kabylake_hdmi1_init,
765 		.no_pcm = 1,
766 	},
767 	{
768 		.name = "iDisp2",
769 		.id = 4,
770 		.cpu_dai_name = "iDisp2 Pin",
771 		.codec_name = "ehdaudio0D2",
772 		.codec_dai_name = "intel-hdmi-hifi2",
773 		.platform_name = "0000:00:1f.3",
774 		.init = kabylake_hdmi2_init,
775 		.dpcm_playback = 1,
776 		.no_pcm = 1,
777 	},
778 	{
779 		.name = "iDisp3",
780 		.id = 5,
781 		.cpu_dai_name = "iDisp3 Pin",
782 		.codec_name = "ehdaudio0D2",
783 		.codec_dai_name = "intel-hdmi-hifi3",
784 		.platform_name = "0000:00:1f.3",
785 		.init = kabylake_hdmi3_init,
786 		.dpcm_playback = 1,
787 		.no_pcm = 1,
788 	},
789 };
790 
791 static struct snd_soc_dai_link kabylake_5663_dais[] = {
792 	/* Front End DAI links */
793 	[KBL_DPCM_AUDIO_5663_PB] = {
794 		.name = "Kbl Audio Port",
795 		.stream_name = "Audio",
796 		.cpu_dai_name = "System Pin",
797 		.platform_name = "0000:00:1f.3",
798 		.dynamic = 1,
799 		.codec_name = "snd-soc-dummy",
800 		.codec_dai_name = "snd-soc-dummy-dai",
801 		.nonatomic = 1,
802 		.trigger = {
803 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
804 		.dpcm_playback = 1,
805 		.ops = &kabylake_rt5663_fe_ops,
806 	},
807 	[KBL_DPCM_AUDIO_5663_CP] = {
808 		.name = "Kbl Audio Capture Port",
809 		.stream_name = "Audio Record",
810 		.cpu_dai_name = "System Pin",
811 		.platform_name = "0000:00:1f.3",
812 		.dynamic = 1,
813 		.codec_name = "snd-soc-dummy",
814 		.codec_dai_name = "snd-soc-dummy-dai",
815 		.nonatomic = 1,
816 		.trigger = {
817 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
818 		.dpcm_capture = 1,
819 		.ops = &kabylake_rt5663_fe_ops,
820 	},
821 	[KBL_DPCM_AUDIO_5663_HDMI1_PB] = {
822 		.name = "Kbl HDMI Port1",
823 		.stream_name = "Hdmi1",
824 		.cpu_dai_name = "HDMI1 Pin",
825 		.codec_name = "snd-soc-dummy",
826 		.codec_dai_name = "snd-soc-dummy-dai",
827 		.platform_name = "0000:00:1f.3",
828 		.dpcm_playback = 1,
829 		.init = NULL,
830 		.trigger = {
831 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
832 		.nonatomic = 1,
833 		.dynamic = 1,
834 	},
835 	[KBL_DPCM_AUDIO_5663_HDMI2_PB] = {
836 		.name = "Kbl HDMI Port2",
837 		.stream_name = "Hdmi2",
838 		.cpu_dai_name = "HDMI2 Pin",
839 		.codec_name = "snd-soc-dummy",
840 		.codec_dai_name = "snd-soc-dummy-dai",
841 		.platform_name = "0000:00:1f.3",
842 		.dpcm_playback = 1,
843 		.init = NULL,
844 		.trigger = {
845 			SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
846 		.nonatomic = 1,
847 		.dynamic = 1,
848 	},
849 
850 	/* Back End DAI links */
851 	{
852 		/* SSP1 - Codec */
853 		.name = "SSP1-Codec",
854 		.id = 0,
855 		.cpu_dai_name = "SSP1 Pin",
856 		.platform_name = "0000:00:1f.3",
857 		.no_pcm = 1,
858 		.codec_name = "i2c-10EC5663:00",
859 		.codec_dai_name = KBL_REALTEK_CODEC_DAI,
860 		.init = kabylake_rt5663_codec_init,
861 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
862 			SND_SOC_DAIFMT_CBS_CFS,
863 		.ignore_pmdown_time = 1,
864 		.be_hw_params_fixup = kabylake_ssp_fixup,
865 		.ops = &kabylake_rt5663_ops,
866 		.dpcm_playback = 1,
867 		.dpcm_capture = 1,
868 	},
869 	{
870 		.name = "iDisp1",
871 		.id = 1,
872 		.cpu_dai_name = "iDisp1 Pin",
873 		.codec_name = "ehdaudio0D2",
874 		.codec_dai_name = "intel-hdmi-hifi1",
875 		.platform_name = "0000:00:1f.3",
876 		.dpcm_playback = 1,
877 		.init = kabylake_5663_hdmi1_init,
878 		.no_pcm = 1,
879 	},
880 	{
881 		.name = "iDisp2",
882 		.id = 2,
883 		.cpu_dai_name = "iDisp2 Pin",
884 		.codec_name = "ehdaudio0D2",
885 		.codec_dai_name = "intel-hdmi-hifi2",
886 		.platform_name = "0000:00:1f.3",
887 		.init = kabylake_5663_hdmi2_init,
888 		.dpcm_playback = 1,
889 		.no_pcm = 1,
890 	},
891 };
892 
893 #define NAME_SIZE	32
894 static int kabylake_card_late_probe(struct snd_soc_card *card)
895 {
896 	struct kbl_rt5663_private *ctx = snd_soc_card_get_drvdata(card);
897 	struct kbl_hdmi_pcm *pcm;
898 	struct snd_soc_component *component = NULL;
899 	int err, i = 0;
900 	char jack_name[NAME_SIZE];
901 
902 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
903 		component = pcm->codec_dai->component;
904 		snprintf(jack_name, sizeof(jack_name),
905 			"HDMI/DP, pcm=%d Jack", pcm->device);
906 		err = snd_soc_card_jack_new(card, jack_name,
907 					SND_JACK_AVOUT, &skylake_hdmi[i],
908 					NULL, 0);
909 
910 		if (err)
911 			return err;
912 
913 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
914 						&skylake_hdmi[i]);
915 		if (err < 0)
916 			return err;
917 
918 		i++;
919 	}
920 
921 	if (!component)
922 		return -EINVAL;
923 
924 	return hdac_hdmi_jack_port_init(component, &card->dapm);
925 }
926 
927 /* kabylake audio machine driver for SPT + RT5663 */
928 static struct snd_soc_card kabylake_audio_card_rt5663_m98927 = {
929 	.name = "kblrt5663max",
930 	.owner = THIS_MODULE,
931 	.dai_link = kabylake_dais,
932 	.num_links = ARRAY_SIZE(kabylake_dais),
933 	.controls = kabylake_controls,
934 	.num_controls = ARRAY_SIZE(kabylake_controls),
935 	.dapm_widgets = kabylake_widgets,
936 	.num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
937 	.dapm_routes = kabylake_map,
938 	.num_dapm_routes = ARRAY_SIZE(kabylake_map),
939 	.codec_conf = max98927_codec_conf,
940 	.num_configs = ARRAY_SIZE(max98927_codec_conf),
941 	.fully_routed = true,
942 	.late_probe = kabylake_card_late_probe,
943 };
944 
945 /* kabylake audio machine driver for RT5663 */
946 static struct snd_soc_card kabylake_audio_card_rt5663 = {
947 	.name = "kblrt5663",
948 	.owner = THIS_MODULE,
949 	.dai_link = kabylake_5663_dais,
950 	.num_links = ARRAY_SIZE(kabylake_5663_dais),
951 	.controls = kabylake_5663_controls,
952 	.num_controls = ARRAY_SIZE(kabylake_5663_controls),
953 	.dapm_widgets = kabylake_5663_widgets,
954 	.num_dapm_widgets = ARRAY_SIZE(kabylake_5663_widgets),
955 	.dapm_routes = kabylake_5663_map,
956 	.num_dapm_routes = ARRAY_SIZE(kabylake_5663_map),
957 	.fully_routed = true,
958 	.late_probe = kabylake_card_late_probe,
959 };
960 
961 static int kabylake_audio_probe(struct platform_device *pdev)
962 {
963 	struct kbl_rt5663_private *ctx;
964 	struct snd_soc_acpi_mach *mach;
965 	int ret;
966 
967 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
968 	if (!ctx)
969 		return -ENOMEM;
970 
971 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
972 
973 	kabylake_audio_card =
974 		(struct snd_soc_card *)pdev->id_entry->driver_data;
975 
976 	kabylake_audio_card->dev = &pdev->dev;
977 	snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
978 
979 	mach = (&pdev->dev)->platform_data;
980 	if (mach)
981 		dmic_constraints = mach->mach_params.dmic_num == 2 ?
982 			&constraints_dmic_2ch : &constraints_dmic_channels;
983 
984 	ctx->mclk = devm_clk_get(&pdev->dev, "ssp1_mclk");
985 	if (IS_ERR(ctx->mclk)) {
986 		ret = PTR_ERR(ctx->mclk);
987 		if (ret == -ENOENT) {
988 			dev_info(&pdev->dev,
989 				"Failed to get ssp1_sclk, defer probe\n");
990 			return -EPROBE_DEFER;
991 		}
992 
993 		dev_err(&pdev->dev, "Failed to get ssp1_mclk with err:%d\n",
994 								ret);
995 		return ret;
996 	}
997 
998 	ctx->sclk = devm_clk_get(&pdev->dev, "ssp1_sclk");
999 	if (IS_ERR(ctx->sclk)) {
1000 		ret = PTR_ERR(ctx->sclk);
1001 		if (ret == -ENOENT) {
1002 			dev_info(&pdev->dev,
1003 				"Failed to get ssp1_sclk, defer probe\n");
1004 			return -EPROBE_DEFER;
1005 		}
1006 
1007 		dev_err(&pdev->dev, "Failed to get ssp1_sclk with err:%d\n",
1008 								ret);
1009 		return ret;
1010 	}
1011 
1012 	return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
1013 }
1014 
1015 static const struct platform_device_id kbl_board_ids[] = {
1016 	{
1017 		.name = "kbl_rt5663",
1018 		.driver_data = (kernel_ulong_t)&kabylake_audio_card_rt5663,
1019 	},
1020 	{
1021 		.name = "kbl_rt5663_m98927",
1022 		.driver_data =
1023 			(kernel_ulong_t)&kabylake_audio_card_rt5663_m98927,
1024 	},
1025 	{ }
1026 };
1027 
1028 static struct platform_driver kabylake_audio = {
1029 	.probe = kabylake_audio_probe,
1030 	.driver = {
1031 		.name = "kbl_rt5663_m98927",
1032 		.pm = &snd_soc_pm_ops,
1033 	},
1034 	.id_table = kbl_board_ids,
1035 };
1036 
1037 module_platform_driver(kabylake_audio)
1038 
1039 /* Module information */
1040 MODULE_DESCRIPTION("Audio Machine driver-RT5663 & MAX98927 in I2S mode");
1041 MODULE_AUTHOR("Naveen M <naveen.m@intel.com>");
1042 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
1043 MODULE_LICENSE("GPL v2");
1044 MODULE_ALIAS("platform:kbl_rt5663");
1045 MODULE_ALIAS("platform:kbl_rt5663_m98927");
1046