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Linux/sound/soc/intel/boards/kbl_rt5663_rt5514_max98927.c

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  1 /*
  2  * Intel Kabylake I2S Machine Driver with MAXIM98927
  3  * RT5514 and RT5663 Codecs
  4  *
  5  * Copyright (C) 2017, Intel Corporation. All rights reserved.
  6  *
  7  * Modified from:
  8  *   Intel Kabylake I2S Machine driver supporting MAXIM98927 and
  9  *   RT5663 codecs
 10  *
 11  * This program is free software; you can redistribute it and/or
 12  * modify it under the terms of the GNU General Public License version
 13  * 2 as published by the Free Software Foundation.
 14  *
 15  * This program is distributed in the hope that it will be useful,
 16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 18  * GNU General Public License for more details.
 19  */
 20 
 21 #include <linux/module.h>
 22 #include <linux/platform_device.h>
 23 #include <sound/core.h>
 24 #include <sound/jack.h>
 25 #include <sound/pcm.h>
 26 #include <sound/pcm_params.h>
 27 #include <sound/soc.h>
 28 #include "../../codecs/rt5514.h"
 29 #include "../../codecs/rt5663.h"
 30 #include "../../codecs/hdac_hdmi.h"
 31 #include "../skylake/skl.h"
 32 
 33 #define KBL_REALTEK_CODEC_DAI "rt5663-aif"
 34 #define KBL_REALTEK_DMIC_CODEC_DAI "rt5514-aif1"
 35 #define KBL_MAXIM_CODEC_DAI "max98927-aif1"
 36 #define MAXIM_DEV0_NAME "i2c-MX98927:00"
 37 #define MAXIM_DEV1_NAME "i2c-MX98927:01"
 38 #define RT5514_DEV_NAME "i2c-10EC5514:00"
 39 #define RT5663_DEV_NAME "i2c-10EC5663:00"
 40 #define RT5514_AIF1_BCLK_FREQ (48000 * 8 * 16)
 41 #define RT5514_AIF1_SYSCLK_FREQ 12288000
 42 #define NAME_SIZE 32
 43 
 44 #define DMIC_CH(p) p->list[p->count-1]
 45 
 46 
 47 static struct snd_soc_card kabylake_audio_card;
 48 static const struct snd_pcm_hw_constraint_list *dmic_constraints;
 49 
 50 struct kbl_hdmi_pcm {
 51         struct list_head head;
 52         struct snd_soc_dai *codec_dai;
 53         int device;
 54 };
 55 
 56 struct kbl_codec_private {
 57         struct snd_soc_jack kabylake_headset;
 58         struct list_head hdmi_pcm_list;
 59         struct snd_soc_jack kabylake_hdmi[2];
 60 };
 61 
 62 enum {
 63         KBL_DPCM_AUDIO_PB = 0,
 64         KBL_DPCM_AUDIO_CP,
 65         KBL_DPCM_AUDIO_DMIC_CP,
 66         KBL_DPCM_AUDIO_HDMI1_PB,
 67         KBL_DPCM_AUDIO_HDMI2_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         SOC_DAPM_PIN_SWITCH("DMIC"),
 76 };
 77 
 78 static const struct snd_soc_dapm_widget kabylake_widgets[] = {
 79         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 80         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 81         SND_SOC_DAPM_SPK("Left Spk", NULL),
 82         SND_SOC_DAPM_SPK("Right Spk", NULL),
 83         SND_SOC_DAPM_MIC("DMIC", NULL),
 84         SND_SOC_DAPM_SPK("DP", NULL),
 85         SND_SOC_DAPM_SPK("HDMI", NULL),
 86 
 87 };
 88 
 89 static const struct snd_soc_dapm_route kabylake_map[] = {
 90         /* Headphones */
 91         { "Headphone Jack", NULL, "HPOL" },
 92         { "Headphone Jack", NULL, "HPOR" },
 93 
 94         /* speaker */
 95         { "Left Spk", NULL, "Left BE_OUT" },
 96         { "Right Spk", NULL, "Right BE_OUT" },
 97 
 98         /* other jacks */
 99         { "IN1P", NULL, "Headset Mic" },
100         { "IN1N", NULL, "Headset Mic" },
101 
102         { "HDMI", NULL, "hif5 Output" },
103         { "DP", NULL, "hif6 Output" },
104 
105         /* CODEC BE connections */
106         { "Left HiFi Playback", NULL, "ssp0 Tx" },
107         { "Right HiFi Playback", NULL, "ssp0 Tx" },
108         { "ssp0 Tx", NULL, "codec0_out" },
109 
110         { "AIF Playback", NULL, "ssp1 Tx" },
111         { "ssp1 Tx", NULL, "codec1_out" },
112 
113         { "codec0_in", NULL, "ssp1 Rx" },
114         { "ssp1 Rx", NULL, "AIF Capture" },
115 
116         { "codec1_in", NULL, "ssp0 Rx" },
117         { "ssp0 Rx", NULL, "AIF1 Capture" },
118 
119         /* DMIC */
120         { "DMIC1L", NULL, "DMIC" },
121         { "DMIC1R", NULL, "DMIC" },
122         { "DMIC2L", NULL, "DMIC" },
123         { "DMIC2R", NULL, "DMIC" },
124 
125         { "hifi2", NULL, "iDisp2 Tx" },
126         { "iDisp2 Tx", NULL, "iDisp2_out" },
127         { "hifi1", NULL, "iDisp1 Tx" },
128         { "iDisp1 Tx", NULL, "iDisp1_out" },
129 };
130 
131 static struct snd_soc_codec_conf max98927_codec_conf[] = {
132         {
133                 .dev_name = MAXIM_DEV0_NAME,
134                 .name_prefix = "Right",
135         },
136         {
137                 .dev_name = MAXIM_DEV1_NAME,
138                 .name_prefix = "Left",
139         },
140 };
141 
142 static struct snd_soc_dai_link_component ssp0_codec_components[] = {
143         { /* Left */
144                 .name = MAXIM_DEV0_NAME,
145                 .dai_name = KBL_MAXIM_CODEC_DAI,
146         },
147         { /* Right */
148                 .name = MAXIM_DEV1_NAME,
149                 .dai_name = KBL_MAXIM_CODEC_DAI,
150         },
151         { /*dmic */
152                 .name = RT5514_DEV_NAME,
153                 .dai_name = KBL_REALTEK_DMIC_CODEC_DAI,
154         },
155 };
156 
157 static int kabylake_rt5663_fe_init(struct snd_soc_pcm_runtime *rtd)
158 {
159         struct snd_soc_dapm_context *dapm;
160         struct snd_soc_component *component = rtd->cpu_dai->component;
161         int ret;
162 
163         dapm = snd_soc_component_get_dapm(component);
164         ret = snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
165         if (ret)
166                 dev_err(rtd->dev, "Ref Cap -Ignore suspend failed = %d\n", ret);
167 
168         return ret;
169 }
170 
171 static int kabylake_rt5663_codec_init(struct snd_soc_pcm_runtime *rtd)
172 {
173         int ret;
174         struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
175         struct snd_soc_codec *codec = rtd->codec;
176 
177         /*
178          * Headset buttons map to the google Reference headset.
179          * These can be configured by userspace.
180          */
181         ret = snd_soc_card_jack_new(&kabylake_audio_card, "Headset Jack",
182                         SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
183                         SND_JACK_BTN_2 | SND_JACK_BTN_3, &ctx->kabylake_headset,
184                         NULL, 0);
185         if (ret) {
186                 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
187                 return ret;
188         }
189 
190         rt5663_set_jack_detect(codec, &ctx->kabylake_headset);
191 
192         ret = snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "DMIC");
193         if (ret)
194                 dev_err(rtd->dev, "DMIC - Ignore suspend failed = %d\n", ret);
195 
196         return ret;
197 }
198 
199 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
200 {
201         struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
202         struct snd_soc_dai *dai = rtd->codec_dai;
203         struct kbl_hdmi_pcm *pcm;
204 
205         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
206         if (!pcm)
207                 return -ENOMEM;
208 
209         pcm->device = device;
210         pcm->codec_dai = dai;
211 
212         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
213 
214         return 0;
215 }
216 
217 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
218 {
219         return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
220 }
221 
222 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
223 {
224         return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
225 }
226 
227 static const unsigned int rates[] = {
228         48000,
229 };
230 
231 static const struct snd_pcm_hw_constraint_list constraints_rates = {
232         .count = ARRAY_SIZE(rates),
233         .list  = rates,
234         .mask = 0,
235 };
236 
237 static const unsigned int channels[] = {
238         2,
239 };
240 
241 static const struct snd_pcm_hw_constraint_list constraints_channels = {
242         .count = ARRAY_SIZE(channels),
243         .list = channels,
244         .mask = 0,
245 };
246 
247 static int kbl_fe_startup(struct snd_pcm_substream *substream)
248 {
249         struct snd_pcm_runtime *runtime = substream->runtime;
250 
251         /*
252          * On this platform for PCM device we support,
253          * 48Khz
254          * stereo
255          * 16 bit audio
256          */
257 
258         runtime->hw.channels_max = 2;
259         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
260                                            &constraints_channels);
261 
262         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
263         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
264 
265         snd_pcm_hw_constraint_list(runtime, 0,
266                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
267 
268         return 0;
269 }
270 
271 static const struct snd_soc_ops kabylake_rt5663_fe_ops = {
272         .startup = kbl_fe_startup,
273 };
274 
275 static int kabylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
276                                         struct snd_pcm_hw_params *params)
277 {
278         struct snd_interval *rate = hw_param_interval(params,
279                         SNDRV_PCM_HW_PARAM_RATE);
280         struct snd_interval *channels = hw_param_interval(params,
281                         SNDRV_PCM_HW_PARAM_CHANNELS);
282         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
283         struct snd_soc_dpcm *dpcm = container_of(
284                         params, struct snd_soc_dpcm, hw_params);
285         struct snd_soc_dai_link *fe_dai_link = dpcm->fe->dai_link;
286         struct snd_soc_dai_link *be_dai_link = dpcm->be->dai_link;
287 
288         /*
289          * The ADSP will convert the FE rate to 48k, stereo, 24 bit
290          */
291         if (!strcmp(fe_dai_link->name, "Kbl Audio Port") ||
292             !strcmp(fe_dai_link->name, "Kbl Audio Capture Port")) {
293                 rate->min = rate->max = 48000;
294                 channels->min = channels->max = 2;
295                 snd_mask_none(fmt);
296                 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
297         } else if (!strcmp(fe_dai_link->name, "Kbl Audio DMIC cap")) {
298                 if (params_channels(params) == 2 ||
299                                 DMIC_CH(dmic_constraints) == 2)
300                         channels->min = channels->max = 2;
301                 else
302                         channels->min = channels->max = 4;
303         }
304         /*
305          * The speaker on the SSP0 supports S16_LE and not S24_LE.
306          * thus changing the mask here
307          */
308         if (!strcmp(be_dai_link->name, "SSP0-Codec"))
309                 snd_mask_set(fmt, SNDRV_PCM_FORMAT_S16_LE);
310 
311         return 0;
312 }
313 
314 static int kabylake_rt5663_hw_params(struct snd_pcm_substream *substream,
315         struct snd_pcm_hw_params *params)
316 {
317         struct snd_soc_pcm_runtime *rtd = substream->private_data;
318         struct snd_soc_dai *codec_dai = rtd->codec_dai;
319         int ret;
320 
321         /* use ASRC for internal clocks, as PLL rate isn't multiple of BCLK */
322         rt5663_sel_asrc_clk_src(codec_dai->codec,
323                         RT5663_DA_STEREO_FILTER | RT5663_AD_STEREO_FILTER,
324                         RT5663_CLK_SEL_I2S1_ASRC);
325 
326         ret = snd_soc_dai_set_sysclk(codec_dai,
327                         RT5663_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
328         if (ret < 0)
329                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
330 
331         return ret;
332 }
333 
334 static struct snd_soc_ops kabylake_rt5663_ops = {
335         .hw_params = kabylake_rt5663_hw_params,
336 };
337 
338 static int kabylake_ssp0_hw_params(struct snd_pcm_substream *substream,
339         struct snd_pcm_hw_params *params)
340 {
341         struct snd_soc_pcm_runtime *rtd = substream->private_data;
342         int ret = 0, j;
343 
344         for (j = 0; j < rtd->num_codecs; j++) {
345                 struct snd_soc_dai *codec_dai = rtd->codec_dais[j];
346 
347                 if (!strcmp(codec_dai->component->name, RT5514_DEV_NAME)) {
348                         ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF, 0, 8, 16);
349                         if (ret < 0) {
350                                 dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
351                                 return ret;
352                         }
353 
354                         ret = snd_soc_dai_set_sysclk(codec_dai,
355                                 RT5514_SCLK_S_MCLK, 24576000, SND_SOC_CLOCK_IN);
356                         if (ret < 0) {
357                                 dev_err(rtd->dev, "set sysclk err: %d\n", ret);
358                                 return ret;
359                         }
360                 }
361                 if (!strcmp(codec_dai->component->name, MAXIM_DEV0_NAME) ||
362                         !strcmp(codec_dai->component->name, MAXIM_DEV1_NAME)) {
363                         ret = snd_soc_dai_set_tdm_slot(codec_dai, 0xF0, 3, 8, 16);
364                         if (ret < 0) {
365                                 dev_err(rtd->dev, "set TDM slot err:%d\n", ret);
366                                 return ret;
367                         }
368                 }
369         }
370         return ret;
371 }
372 
373 static struct snd_soc_ops kabylake_ssp0_ops = {
374         .hw_params = kabylake_ssp0_hw_params,
375 };
376 
377 static const unsigned int channels_dmic[] = {
378         4,
379 };
380 
381 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
382         .count = ARRAY_SIZE(channels_dmic),
383         .list = channels_dmic,
384         .mask = 0,
385 };
386 
387 static const unsigned int dmic_2ch[] = {
388         4,
389 };
390 
391 static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
392         .count = ARRAY_SIZE(dmic_2ch),
393         .list = dmic_2ch,
394         .mask = 0,
395 };
396 
397 static int kabylake_dmic_startup(struct snd_pcm_substream *substream)
398 {
399         struct snd_pcm_runtime *runtime = substream->runtime;
400 
401         runtime->hw.channels_max = DMIC_CH(dmic_constraints);
402         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
403                         dmic_constraints);
404 
405         return snd_pcm_hw_constraint_list(substream->runtime, 0,
406                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
407 }
408 
409 static struct snd_soc_ops kabylake_dmic_ops = {
410         .startup = kabylake_dmic_startup,
411 };
412 
413 /* kabylake digital audio interface glue - connects codec <--> CPU */
414 static struct snd_soc_dai_link kabylake_dais[] = {
415         /* Front End DAI links */
416         [KBL_DPCM_AUDIO_PB] = {
417                 .name = "Kbl Audio Port",
418                 .stream_name = "Audio",
419                 .cpu_dai_name = "System Pin",
420                 .platform_name = "0000:00:1f.3",
421                 .dynamic = 1,
422                 .codec_name = "snd-soc-dummy",
423                 .codec_dai_name = "snd-soc-dummy-dai",
424                 .nonatomic = 1,
425                 .init = kabylake_rt5663_fe_init,
426                 .trigger = {
427                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
428                 .dpcm_playback = 1,
429                 .ops = &kabylake_rt5663_fe_ops,
430         },
431         [KBL_DPCM_AUDIO_CP] = {
432                 .name = "Kbl Audio Capture Port",
433                 .stream_name = "Audio Record",
434                 .cpu_dai_name = "System Pin",
435                 .platform_name = "0000:00:1f.3",
436                 .dynamic = 1,
437                 .codec_name = "snd-soc-dummy",
438                 .codec_dai_name = "snd-soc-dummy-dai",
439                 .nonatomic = 1,
440                 .trigger = {
441                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
442                 .dpcm_capture = 1,
443                 .ops = &kabylake_rt5663_fe_ops,
444         },
445         [KBL_DPCM_AUDIO_DMIC_CP] = {
446                 .name = "Kbl Audio DMIC cap",
447                 .stream_name = "dmiccap",
448                 .cpu_dai_name = "DMIC Pin",
449                 .codec_name = "snd-soc-dummy",
450                 .codec_dai_name = "snd-soc-dummy-dai",
451                 .platform_name = "0000:00:1f.3",
452                 .init = NULL,
453                 .dpcm_capture = 1,
454                 .nonatomic = 1,
455                 .dynamic = 1,
456                 .ops = &kabylake_dmic_ops,
457         },
458         [KBL_DPCM_AUDIO_HDMI1_PB] = {
459                 .name = "Kbl HDMI Port1",
460                 .stream_name = "Hdmi1",
461                 .cpu_dai_name = "HDMI1 Pin",
462                 .codec_name = "snd-soc-dummy",
463                 .codec_dai_name = "snd-soc-dummy-dai",
464                 .platform_name = "0000:00:1f.3",
465                 .dpcm_playback = 1,
466                 .init = NULL,
467                 .trigger = {
468                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
469                 .nonatomic = 1,
470                 .dynamic = 1,
471         },
472         [KBL_DPCM_AUDIO_HDMI2_PB] = {
473                 .name = "Kbl HDMI Port2",
474                 .stream_name = "Hdmi2",
475                 .cpu_dai_name = "HDMI2 Pin",
476                 .codec_name = "snd-soc-dummy",
477                 .codec_dai_name = "snd-soc-dummy-dai",
478                 .platform_name = "0000:00:1f.3",
479                 .dpcm_playback = 1,
480                 .init = NULL,
481                 .trigger = {
482                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
483                 .nonatomic = 1,
484                 .dynamic = 1,
485         },
486         /* Back End DAI links */
487         /* single Back end dai for both max speakers and dmic */
488         {
489                 /* SSP0 - Codec */
490                 .name = "SSP0-Codec",
491                 .id = 0,
492                 .cpu_dai_name = "SSP0 Pin",
493                 .platform_name = "0000:00:1f.3",
494                 .no_pcm = 1,
495                 .codecs = ssp0_codec_components,
496                 .num_codecs = ARRAY_SIZE(ssp0_codec_components),
497                 .dai_fmt = SND_SOC_DAIFMT_DSP_B |
498                         SND_SOC_DAIFMT_NB_NF |
499                         SND_SOC_DAIFMT_CBS_CFS,
500                 .ignore_pmdown_time = 1,
501                 .be_hw_params_fixup = kabylake_ssp_fixup,
502                 .dpcm_playback = 1,
503                 .dpcm_capture = 1,
504                 .ops = &kabylake_ssp0_ops,
505         },
506         {
507                 .name = "SSP1-Codec",
508                 .id = 1,
509                 .cpu_dai_name = "SSP1 Pin",
510                 .platform_name = "0000:00:1f.3",
511                 .no_pcm = 1,
512                 .codec_name = RT5663_DEV_NAME,
513                 .codec_dai_name = KBL_REALTEK_CODEC_DAI,
514                 .init = kabylake_rt5663_codec_init,
515                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
516                         SND_SOC_DAIFMT_CBS_CFS,
517                 .ignore_pmdown_time = 1,
518                 .be_hw_params_fixup = kabylake_ssp_fixup,
519                 .ops = &kabylake_rt5663_ops,
520                 .dpcm_playback = 1,
521                 .dpcm_capture = 1,
522         },
523         {
524                 .name = "iDisp1",
525                 .id = 3,
526                 .cpu_dai_name = "iDisp1 Pin",
527                 .codec_name = "ehdaudio0D2",
528                 .codec_dai_name = "intel-hdmi-hifi1",
529                 .platform_name = "0000:00:1f.3",
530                 .dpcm_playback = 1,
531                 .init = kabylake_hdmi1_init,
532                 .no_pcm = 1,
533         },
534         {
535                 .name = "iDisp2",
536                 .id = 4,
537                 .cpu_dai_name = "iDisp2 Pin",
538                 .codec_name = "ehdaudio0D2",
539                 .codec_dai_name = "intel-hdmi-hifi2",
540                 .platform_name = "0000:00:1f.3",
541                 .init = kabylake_hdmi2_init,
542                 .dpcm_playback = 1,
543                 .no_pcm = 1,
544         },
545 };
546 
547 static int kabylake_card_late_probe(struct snd_soc_card *card)
548 {
549         struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
550         struct kbl_hdmi_pcm *pcm;
551         int err, i = 0;
552         char jack_name[NAME_SIZE];
553 
554         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
555                 err = snd_soc_card_jack_new(card, jack_name,
556                                 SND_JACK_AVOUT, &ctx->kabylake_hdmi[i],
557                                 NULL, 0);
558 
559                 if (err)
560                         return err;
561                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
562                                                 &ctx->kabylake_hdmi[i]);
563                 if (err < 0)
564                         return err;
565                 i++;
566         }
567 
568         return 0;
569 }
570 
571 /*
572  * kabylake audio machine driver for  MAX98927 + RT5514 + RT5663
573  */
574 static struct snd_soc_card kabylake_audio_card = {
575         .name = "kbl_r5514_5663_max",
576         .owner = THIS_MODULE,
577         .dai_link = kabylake_dais,
578         .num_links = ARRAY_SIZE(kabylake_dais),
579         .controls = kabylake_controls,
580         .num_controls = ARRAY_SIZE(kabylake_controls),
581         .dapm_widgets = kabylake_widgets,
582         .num_dapm_widgets = ARRAY_SIZE(kabylake_widgets),
583         .dapm_routes = kabylake_map,
584         .num_dapm_routes = ARRAY_SIZE(kabylake_map),
585         .codec_conf = max98927_codec_conf,
586         .num_configs = ARRAY_SIZE(max98927_codec_conf),
587         .fully_routed = true,
588         .late_probe = kabylake_card_late_probe,
589 };
590 
591 static int kabylake_audio_probe(struct platform_device *pdev)
592 {
593         struct kbl_codec_private *ctx;
594         struct skl_machine_pdata *pdata;
595 
596         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
597         if (!ctx)
598                 return -ENOMEM;
599 
600         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
601 
602         kabylake_audio_card.dev = &pdev->dev;
603         snd_soc_card_set_drvdata(&kabylake_audio_card, ctx);
604 
605         pdata = dev_get_drvdata(&pdev->dev);
606         if (pdata)
607                 dmic_constraints = pdata->dmic_num == 2 ?
608                         &constraints_dmic_2ch : &constraints_dmic_channels;
609 
610         return devm_snd_soc_register_card(&pdev->dev, &kabylake_audio_card);
611 }
612 
613 static const struct platform_device_id kbl_board_ids[] = {
614         { .name = "kbl_r5514_5663_max" },
615         { }
616 };
617 
618 static struct platform_driver kabylake_audio = {
619         .probe = kabylake_audio_probe,
620         .driver = {
621                 .name = "kbl_r5514_5663_max",
622                 .pm = &snd_soc_pm_ops,
623         },
624         .id_table = kbl_board_ids,
625 };
626 
627 module_platform_driver(kabylake_audio)
628 
629 /* Module information */
630 MODULE_DESCRIPTION("Audio Machine driver-RT5663 RT5514 & MAX98927");
631 MODULE_AUTHOR("Harsha Priya <harshapriya.n@intel.com>");
632 MODULE_LICENSE("GPL v2");
633 MODULE_ALIAS("platform:kbl_r5514_5663_max");
634 

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