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Linux/sound/soc/intel/boards/bxt_rt298.c

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  1 // SPDX-License-Identifier: GPL-2.0-only
  2 /*
  3  * Intel Broxton-P I2S Machine Driver
  4  *
  5  * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
  6  *
  7  * Modified from:
  8  *   Intel Skylake I2S Machine driver
  9  */
 10 
 11 #include <linux/module.h>
 12 #include <linux/platform_device.h>
 13 #include <sound/core.h>
 14 #include <sound/pcm.h>
 15 #include <sound/soc.h>
 16 #include <sound/soc-acpi.h>
 17 #include <sound/jack.h>
 18 #include <sound/pcm_params.h>
 19 #include "../../codecs/hdac_hdmi.h"
 20 #include "../../codecs/rt298.h"
 21 
 22 /* Headset jack detection DAPM pins */
 23 static struct snd_soc_jack broxton_headset;
 24 static struct snd_soc_jack broxton_hdmi[3];
 25 
 26 struct bxt_hdmi_pcm {
 27         struct list_head head;
 28         struct snd_soc_dai *codec_dai;
 29         int device;
 30 };
 31 
 32 struct bxt_rt286_private {
 33         struct list_head hdmi_pcm_list;
 34 };
 35 
 36 enum {
 37         BXT_DPCM_AUDIO_PB = 0,
 38         BXT_DPCM_AUDIO_CP,
 39         BXT_DPCM_AUDIO_REF_CP,
 40         BXT_DPCM_AUDIO_DMIC_CP,
 41         BXT_DPCM_AUDIO_HDMI1_PB,
 42         BXT_DPCM_AUDIO_HDMI2_PB,
 43         BXT_DPCM_AUDIO_HDMI3_PB,
 44 };
 45 
 46 static struct snd_soc_jack_pin broxton_headset_pins[] = {
 47         {
 48                 .pin = "Mic Jack",
 49                 .mask = SND_JACK_MICROPHONE,
 50         },
 51         {
 52                 .pin = "Headphone Jack",
 53                 .mask = SND_JACK_HEADPHONE,
 54         },
 55 };
 56 
 57 static const struct snd_kcontrol_new broxton_controls[] = {
 58         SOC_DAPM_PIN_SWITCH("Speaker"),
 59         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 60         SOC_DAPM_PIN_SWITCH("Mic Jack"),
 61 };
 62 
 63 static const struct snd_soc_dapm_widget broxton_widgets[] = {
 64         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 65         SND_SOC_DAPM_SPK("Speaker", NULL),
 66         SND_SOC_DAPM_MIC("Mic Jack", NULL),
 67         SND_SOC_DAPM_MIC("DMIC2", NULL),
 68         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 69         SND_SOC_DAPM_SPK("HDMI1", NULL),
 70         SND_SOC_DAPM_SPK("HDMI2", NULL),
 71         SND_SOC_DAPM_SPK("HDMI3", NULL),
 72 };
 73 
 74 static const struct snd_soc_dapm_route broxton_rt298_map[] = {
 75         /* speaker */
 76         {"Speaker", NULL, "SPOR"},
 77         {"Speaker", NULL, "SPOL"},
 78 
 79         /* HP jack connectors - unknown if we have jack detect */
 80         {"Headphone Jack", NULL, "HPO Pin"},
 81 
 82         /* other jacks */
 83         {"MIC1", NULL, "Mic Jack"},
 84 
 85         /* digital mics */
 86         {"DMIC1 Pin", NULL, "DMIC2"},
 87         {"DMic", NULL, "SoC DMIC"},
 88 
 89         {"HDMI1", NULL, "hif5-0 Output"},
 90         {"HDMI2", NULL, "hif6-0 Output"},
 91         {"HDMI2", NULL, "hif7-0 Output"},
 92 
 93         /* CODEC BE connections */
 94         { "AIF1 Playback", NULL, "ssp5 Tx"},
 95         { "ssp5 Tx", NULL, "codec0_out"},
 96         { "ssp5 Tx", NULL, "codec1_out"},
 97 
 98         { "codec0_in", NULL, "ssp5 Rx" },
 99         { "ssp5 Rx", NULL, "AIF1 Capture" },
100 
101         { "dmic01_hifi", NULL, "DMIC01 Rx" },
102         { "DMIC01 Rx", NULL, "Capture" },
103 
104         { "hifi3", NULL, "iDisp3 Tx"},
105         { "iDisp3 Tx", NULL, "iDisp3_out"},
106         { "hifi2", NULL, "iDisp2 Tx"},
107         { "iDisp2 Tx", NULL, "iDisp2_out"},
108         { "hifi1", NULL, "iDisp1 Tx"},
109         { "iDisp1 Tx", NULL, "iDisp1_out"},
110 };
111 
112 static const struct snd_soc_dapm_route geminilake_rt298_map[] = {
113         /* speaker */
114         {"Speaker", NULL, "SPOR"},
115         {"Speaker", NULL, "SPOL"},
116 
117         /* HP jack connectors - unknown if we have jack detect */
118         {"Headphone Jack", NULL, "HPO Pin"},
119 
120         /* other jacks */
121         {"MIC1", NULL, "Mic Jack"},
122 
123         /* digital mics */
124         {"DMIC1 Pin", NULL, "DMIC2"},
125         {"DMic", NULL, "SoC DMIC"},
126 
127         {"HDMI1", NULL, "hif5-0 Output"},
128         {"HDMI2", NULL, "hif6-0 Output"},
129         {"HDMI2", NULL, "hif7-0 Output"},
130 
131         /* CODEC BE connections */
132         { "AIF1 Playback", NULL, "ssp2 Tx"},
133         { "ssp2 Tx", NULL, "codec0_out"},
134         { "ssp2 Tx", NULL, "codec1_out"},
135 
136         { "codec0_in", NULL, "ssp2 Rx" },
137         { "ssp2 Rx", NULL, "AIF1 Capture" },
138 
139         { "dmic01_hifi", NULL, "DMIC01 Rx" },
140         { "DMIC01 Rx", NULL, "Capture" },
141 
142         { "dmic_voice", NULL, "DMIC16k Rx" },
143         { "DMIC16k Rx", NULL, "Capture" },
144 
145         { "hifi3", NULL, "iDisp3 Tx"},
146         { "iDisp3 Tx", NULL, "iDisp3_out"},
147         { "hifi2", NULL, "iDisp2 Tx"},
148         { "iDisp2 Tx", NULL, "iDisp2_out"},
149         { "hifi1", NULL, "iDisp1 Tx"},
150         { "iDisp1 Tx", NULL, "iDisp1_out"},
151 };
152 
153 static int broxton_rt298_fe_init(struct snd_soc_pcm_runtime *rtd)
154 {
155         struct snd_soc_dapm_context *dapm;
156         struct snd_soc_component *component = rtd->cpu_dai->component;
157 
158         dapm = snd_soc_component_get_dapm(component);
159         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
160 
161         return 0;
162 }
163 
164 static int broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
165 {
166         struct snd_soc_component *component = rtd->codec_dai->component;
167         int ret = 0;
168 
169         ret = snd_soc_card_jack_new(rtd->card, "Headset",
170                 SND_JACK_HEADSET | SND_JACK_BTN_0,
171                 &broxton_headset,
172                 broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
173 
174         if (ret)
175                 return ret;
176 
177         rt298_mic_detect(component, &broxton_headset);
178 
179         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
180 
181         return 0;
182 }
183 
184 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
185 {
186         struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
187         struct snd_soc_dai *dai = rtd->codec_dai;
188         struct bxt_hdmi_pcm *pcm;
189 
190         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
191         if (!pcm)
192                 return -ENOMEM;
193 
194         pcm->device = BXT_DPCM_AUDIO_HDMI1_PB + dai->id;
195         pcm->codec_dai = dai;
196 
197         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
198 
199         return 0;
200 }
201 
202 static int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,
203                         struct snd_pcm_hw_params *params)
204 {
205         struct snd_interval *rate = hw_param_interval(params,
206                                         SNDRV_PCM_HW_PARAM_RATE);
207         struct snd_interval *channels = hw_param_interval(params,
208                                         SNDRV_PCM_HW_PARAM_CHANNELS);
209         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
210 
211         /* The ADSP will covert the FE rate to 48k, stereo */
212         rate->min = rate->max = 48000;
213         channels->min = channels->max = 2;
214 
215         /* set SSP5 to 24 bit */
216         snd_mask_none(fmt);
217         snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
218 
219         return 0;
220 }
221 
222 static int broxton_rt298_hw_params(struct snd_pcm_substream *substream,
223         struct snd_pcm_hw_params *params)
224 {
225         struct snd_soc_pcm_runtime *rtd = substream->private_data;
226         struct snd_soc_dai *codec_dai = rtd->codec_dai;
227         int ret;
228 
229         ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
230                                         19200000, SND_SOC_CLOCK_IN);
231         if (ret < 0) {
232                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
233                 return ret;
234         }
235 
236         return ret;
237 }
238 
239 static const struct snd_soc_ops broxton_rt298_ops = {
240         .hw_params = broxton_rt298_hw_params,
241 };
242 
243 static const unsigned int rates[] = {
244         48000,
245 };
246 
247 static const struct snd_pcm_hw_constraint_list constraints_rates = {
248         .count = ARRAY_SIZE(rates),
249         .list  = rates,
250         .mask = 0,
251 };
252 
253 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
254                                 struct snd_pcm_hw_params *params)
255 {
256         struct snd_interval *channels = hw_param_interval(params,
257                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
258         channels->min = channels->max = 4;
259 
260         return 0;
261 }
262 
263 static const unsigned int channels_dmic[] = {
264         1, 2, 3, 4,
265 };
266 
267 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
268         .count = ARRAY_SIZE(channels_dmic),
269         .list = channels_dmic,
270         .mask = 0,
271 };
272 
273 static int broxton_dmic_startup(struct snd_pcm_substream *substream)
274 {
275         struct snd_pcm_runtime *runtime = substream->runtime;
276 
277         runtime->hw.channels_max = 4;
278         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
279                                         &constraints_dmic_channels);
280 
281         return snd_pcm_hw_constraint_list(substream->runtime, 0,
282                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
283 }
284 
285 static const struct snd_soc_ops broxton_dmic_ops = {
286         .startup = broxton_dmic_startup,
287 };
288 
289 static const unsigned int channels[] = {
290         2,
291 };
292 
293 static const struct snd_pcm_hw_constraint_list constraints_channels = {
294         .count = ARRAY_SIZE(channels),
295         .list = channels,
296         .mask = 0,
297 };
298 
299 static int bxt_fe_startup(struct snd_pcm_substream *substream)
300 {
301         struct snd_pcm_runtime *runtime = substream->runtime;
302 
303         /*
304          * on this platform for PCM device we support:
305          *      48Khz
306          *      stereo
307          *      16-bit audio
308          */
309 
310         runtime->hw.channels_max = 2;
311         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
312                                 &constraints_channels);
313 
314         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
315         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
316         snd_pcm_hw_constraint_list(runtime, 0,
317                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
318 
319         return 0;
320 }
321 
322 static const struct snd_soc_ops broxton_rt286_fe_ops = {
323         .startup = bxt_fe_startup,
324 };
325 
326 SND_SOC_DAILINK_DEF(dummy,
327         DAILINK_COMP_ARRAY(COMP_DUMMY()));
328 
329 SND_SOC_DAILINK_DEF(system,
330         DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
331 
332 SND_SOC_DAILINK_DEF(reference,
333         DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
334 
335 SND_SOC_DAILINK_DEF(dmic,
336         DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
337 
338 SND_SOC_DAILINK_DEF(hdmi1,
339         DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
340 
341 SND_SOC_DAILINK_DEF(hdmi2,
342         DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
343 
344 SND_SOC_DAILINK_DEF(hdmi3,
345         DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
346 
347 SND_SOC_DAILINK_DEF(ssp5_pin,
348         DAILINK_COMP_ARRAY(COMP_CPU("SSP5 Pin")));
349 SND_SOC_DAILINK_DEF(ssp5_codec,
350         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00",
351                                       "rt298-aif1")));
352 
353 SND_SOC_DAILINK_DEF(dmic_pin,
354         DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
355 
356 SND_SOC_DAILINK_DEF(dmic_codec,
357         DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec",
358                                       "dmic-hifi")));
359 
360 SND_SOC_DAILINK_DEF(dmic16k,
361         DAILINK_COMP_ARRAY(COMP_CPU("DMIC16k Pin")));
362 
363 SND_SOC_DAILINK_DEF(idisp1_pin,
364         DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
365 SND_SOC_DAILINK_DEF(idisp1_codec,
366         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2",
367                                       "intel-hdmi-hifi1")));
368 
369 SND_SOC_DAILINK_DEF(idisp2_pin,
370         DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
371 SND_SOC_DAILINK_DEF(idisp2_codec,
372         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2",
373                                       "intel-hdmi-hifi2")));
374 
375 SND_SOC_DAILINK_DEF(idisp3_pin,
376         DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
377 SND_SOC_DAILINK_DEF(idisp3_codec,
378         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2",
379                                       "intel-hdmi-hifi3")));
380 
381 SND_SOC_DAILINK_DEF(platform,
382         DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:0e.0")));
383 
384 /* broxton digital audio interface glue - connects codec <--> CPU */
385 static struct snd_soc_dai_link broxton_rt298_dais[] = {
386         /* Front End DAI links */
387         [BXT_DPCM_AUDIO_PB] =
388         {
389                 .name = "Bxt Audio Port",
390                 .stream_name = "Audio",
391                 .nonatomic = 1,
392                 .dynamic = 1,
393                 .init = broxton_rt298_fe_init,
394                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
395                 .dpcm_playback = 1,
396                 .ops = &broxton_rt286_fe_ops,
397                 SND_SOC_DAILINK_REG(system, dummy, platform),
398         },
399         [BXT_DPCM_AUDIO_CP] =
400         {
401                 .name = "Bxt Audio Capture Port",
402                 .stream_name = "Audio Record",
403                 .nonatomic = 1,
404                 .dynamic = 1,
405                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
406                 .dpcm_capture = 1,
407                 .ops = &broxton_rt286_fe_ops,
408                 SND_SOC_DAILINK_REG(system, dummy, platform),
409         },
410         [BXT_DPCM_AUDIO_REF_CP] =
411         {
412                 .name = "Bxt Audio Reference cap",
413                 .stream_name = "refcap",
414                 .init = NULL,
415                 .dpcm_capture = 1,
416                 .nonatomic = 1,
417                 .dynamic = 1,
418                 SND_SOC_DAILINK_REG(reference, dummy, platform),
419         },
420         [BXT_DPCM_AUDIO_DMIC_CP] =
421         {
422                 .name = "Bxt Audio DMIC cap",
423                 .stream_name = "dmiccap",
424                 .init = NULL,
425                 .dpcm_capture = 1,
426                 .nonatomic = 1,
427                 .dynamic = 1,
428                 .ops = &broxton_dmic_ops,
429                 SND_SOC_DAILINK_REG(dmic, dummy, platform),
430         },
431         [BXT_DPCM_AUDIO_HDMI1_PB] =
432         {
433                 .name = "Bxt HDMI Port1",
434                 .stream_name = "Hdmi1",
435                 .dpcm_playback = 1,
436                 .init = NULL,
437                 .nonatomic = 1,
438                 .dynamic = 1,
439                 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
440         },
441         [BXT_DPCM_AUDIO_HDMI2_PB] =
442         {
443                 .name = "Bxt HDMI Port2",
444                 .stream_name = "Hdmi2",
445                 .dpcm_playback = 1,
446                 .init = NULL,
447                 .nonatomic = 1,
448                 .dynamic = 1,
449                 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
450         },
451         [BXT_DPCM_AUDIO_HDMI3_PB] =
452         {
453                 .name = "Bxt HDMI Port3",
454                 .stream_name = "Hdmi3",
455                 .dpcm_playback = 1,
456                 .init = NULL,
457                 .nonatomic = 1,
458                 .dynamic = 1,
459                 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
460         },
461         /* Back End DAI links */
462         {
463                 /* SSP5 - Codec */
464                 .name = "SSP5-Codec",
465                 .id = 0,
466                 .no_pcm = 1,
467                 .init = broxton_rt298_codec_init,
468                 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
469                                                 SND_SOC_DAIFMT_CBS_CFS,
470                 .ignore_pmdown_time = 1,
471                 .be_hw_params_fixup = broxton_ssp5_fixup,
472                 .ops = &broxton_rt298_ops,
473                 .dpcm_playback = 1,
474                 .dpcm_capture = 1,
475                 SND_SOC_DAILINK_REG(ssp5_pin, ssp5_codec, platform),
476         },
477         {
478                 .name = "dmic01",
479                 .id = 1,
480                 .be_hw_params_fixup = broxton_dmic_fixup,
481                 .ignore_suspend = 1,
482                 .dpcm_capture = 1,
483                 .no_pcm = 1,
484                 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
485         },
486         {
487                 .name = "dmic16k",
488                 .id = 2,
489                 .be_hw_params_fixup = broxton_dmic_fixup,
490                 .ignore_suspend = 1,
491                 .dpcm_capture = 1,
492                 .no_pcm = 1,
493                 SND_SOC_DAILINK_REG(dmic16k, dmic_codec, platform),
494         },
495         {
496                 .name = "iDisp1",
497                 .id = 3,
498                 .init = broxton_hdmi_init,
499                 .dpcm_playback = 1,
500                 .no_pcm = 1,
501                 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
502         },
503         {
504                 .name = "iDisp2",
505                 .id = 4,
506                 .init = broxton_hdmi_init,
507                 .dpcm_playback = 1,
508                 .no_pcm = 1,
509                 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
510         },
511         {
512                 .name = "iDisp3",
513                 .id = 5,
514                 .init = broxton_hdmi_init,
515                 .dpcm_playback = 1,
516                 .no_pcm = 1,
517                 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
518         },
519 };
520 
521 #define NAME_SIZE       32
522 static int bxt_card_late_probe(struct snd_soc_card *card)
523 {
524         struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(card);
525         struct bxt_hdmi_pcm *pcm;
526         struct snd_soc_component *component = NULL;
527         int err, i = 0;
528         char jack_name[NAME_SIZE];
529 
530         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
531                 component = pcm->codec_dai->component;
532                 snprintf(jack_name, sizeof(jack_name),
533                         "HDMI/DP, pcm=%d Jack", pcm->device);
534                 err = snd_soc_card_jack_new(card, jack_name,
535                                         SND_JACK_AVOUT, &broxton_hdmi[i],
536                                         NULL, 0);
537 
538                 if (err)
539                         return err;
540 
541                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
542                                                 &broxton_hdmi[i]);
543                 if (err < 0)
544                         return err;
545 
546                 i++;
547         }
548 
549         if (!component)
550                 return -EINVAL;
551 
552         return hdac_hdmi_jack_port_init(component, &card->dapm);
553 }
554 
555 
556 /* broxton audio machine driver for SPT + RT298S */
557 static struct snd_soc_card broxton_rt298 = {
558         .name = "broxton-rt298",
559         .dai_link = broxton_rt298_dais,
560         .num_links = ARRAY_SIZE(broxton_rt298_dais),
561         .controls = broxton_controls,
562         .num_controls = ARRAY_SIZE(broxton_controls),
563         .dapm_widgets = broxton_widgets,
564         .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
565         .dapm_routes = broxton_rt298_map,
566         .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
567         .fully_routed = true,
568         .late_probe = bxt_card_late_probe,
569 
570 };
571 
572 static struct snd_soc_card geminilake_rt298 = {
573         .name = "geminilake-rt298",
574         .dai_link = broxton_rt298_dais,
575         .num_links = ARRAY_SIZE(broxton_rt298_dais),
576         .controls = broxton_controls,
577         .num_controls = ARRAY_SIZE(broxton_controls),
578         .dapm_widgets = broxton_widgets,
579         .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
580         .dapm_routes = geminilake_rt298_map,
581         .num_dapm_routes = ARRAY_SIZE(geminilake_rt298_map),
582         .fully_routed = true,
583         .late_probe = bxt_card_late_probe,
584 };
585 
586 static int broxton_audio_probe(struct platform_device *pdev)
587 {
588         struct bxt_rt286_private *ctx;
589         struct snd_soc_card *card =
590                         (struct snd_soc_card *)pdev->id_entry->driver_data;
591         struct snd_soc_acpi_mach *mach;
592         const char *platform_name;
593         int ret;
594         int i;
595 
596         for (i = 0; i < ARRAY_SIZE(broxton_rt298_dais); i++) {
597                 if (!strncmp(card->dai_link[i].codecs->name, "i2c-INT343A:00",
598                              I2C_NAME_SIZE)) {
599                         if (!strncmp(card->name, "broxton-rt298",
600                                      PLATFORM_NAME_SIZE)) {
601                                 card->dai_link[i].name = "SSP5-Codec";
602                                 card->dai_link[i].cpus->dai_name = "SSP5 Pin";
603                         } else if (!strncmp(card->name, "geminilake-rt298",
604                                             PLATFORM_NAME_SIZE)) {
605                                 card->dai_link[i].name = "SSP2-Codec";
606                                 card->dai_link[i].cpus->dai_name = "SSP2 Pin";
607                         }
608                 }
609         }
610 
611         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
612         if (!ctx)
613                 return -ENOMEM;
614 
615         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
616 
617         card->dev = &pdev->dev;
618         snd_soc_card_set_drvdata(card, ctx);
619 
620         /* override plaform name, if required */
621         mach = (&pdev->dev)->platform_data;
622         platform_name = mach->mach_params.platform;
623 
624         ret = snd_soc_fixup_dai_links_platform_name(card,
625                                                     platform_name);
626         if (ret)
627                 return ret;
628 
629         return devm_snd_soc_register_card(&pdev->dev, card);
630 }
631 
632 static const struct platform_device_id bxt_board_ids[] = {
633         { .name = "bxt_alc298s_i2s", .driver_data =
634                                 (unsigned long)&broxton_rt298 },
635         { .name = "glk_alc298s_i2s", .driver_data =
636                                 (unsigned long)&geminilake_rt298 },
637         {}
638 };
639 
640 static struct platform_driver broxton_audio = {
641         .probe = broxton_audio_probe,
642         .driver = {
643                 .name = "bxt_alc298s_i2s",
644                 .pm = &snd_soc_pm_ops,
645         },
646         .id_table = bxt_board_ids,
647 };
648 module_platform_driver(broxton_audio)
649 
650 /* Module information */
651 MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
652 MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
653 MODULE_DESCRIPTION("Intel SST Audio for Broxton");
654 MODULE_LICENSE("GPL v2");
655 MODULE_ALIAS("platform:bxt_alc298s_i2s");
656 MODULE_ALIAS("platform:glk_alc298s_i2s");
657 

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