1
2
3
4
5
6
7
8
9#include <linux/module.h>
10#include <linux/platform_device.h>
11#include <sound/core.h>
12#include <sound/jack.h>
13#include <sound/pcm.h>
14#include <sound/pcm_params.h>
15#include <sound/soc.h>
16#include <sound/soc-acpi.h>
17#include "../../codecs/nau8825.h"
18#include "../../codecs/hdac_hdmi.h"
19
20#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
21#define SKL_MAXIM_CODEC_DAI "HiFi"
22#define DMIC_CH(p) p->list[p->count-1]
23
24static struct snd_soc_jack skylake_headset;
25static struct snd_soc_card skylake_audio_card;
26static const struct snd_pcm_hw_constraint_list *dmic_constraints;
27static struct snd_soc_jack skylake_hdmi[3];
28
29struct skl_hdmi_pcm {
30 struct list_head head;
31 struct snd_soc_dai *codec_dai;
32 int device;
33};
34
35struct skl_nau8825_private {
36 struct list_head hdmi_pcm_list;
37};
38
39enum {
40 SKL_DPCM_AUDIO_PB = 0,
41 SKL_DPCM_AUDIO_CP,
42 SKL_DPCM_AUDIO_REF_CP,
43 SKL_DPCM_AUDIO_DMIC_CP,
44 SKL_DPCM_AUDIO_HDMI1_PB,
45 SKL_DPCM_AUDIO_HDMI2_PB,
46 SKL_DPCM_AUDIO_HDMI3_PB,
47};
48
49static int platform_clock_control(struct snd_soc_dapm_widget *w,
50 struct snd_kcontrol *k, int event)
51{
52 struct snd_soc_dapm_context *dapm = w->dapm;
53 struct snd_soc_card *card = dapm->card;
54 struct snd_soc_dai *codec_dai;
55 int ret;
56
57 codec_dai = snd_soc_card_get_codec_dai(card, SKL_NUVOTON_CODEC_DAI);
58 if (!codec_dai) {
59 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
60 return -EIO;
61 }
62
63 if (SND_SOC_DAPM_EVENT_ON(event)) {
64 ret = snd_soc_dai_set_sysclk(codec_dai,
65 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
66 if (ret < 0) {
67 dev_err(card->dev, "set sysclk err = %d\n", ret);
68 return -EIO;
69 }
70 } else {
71 ret = snd_soc_dai_set_sysclk(codec_dai,
72 NAU8825_CLK_INTERNAL, 0, SND_SOC_CLOCK_IN);
73 if (ret < 0) {
74 dev_err(card->dev, "set sysclk err = %d\n", ret);
75 return -EIO;
76 }
77 }
78
79 return ret;
80}
81
82static const struct snd_kcontrol_new skylake_controls[] = {
83 SOC_DAPM_PIN_SWITCH("Headphone Jack"),
84 SOC_DAPM_PIN_SWITCH("Headset Mic"),
85 SOC_DAPM_PIN_SWITCH("Spk"),
86};
87
88static const struct snd_soc_dapm_widget skylake_widgets[] = {
89 SND_SOC_DAPM_HP("Headphone Jack", NULL),
90 SND_SOC_DAPM_MIC("Headset Mic", NULL),
91 SND_SOC_DAPM_SPK("Spk", NULL),
92 SND_SOC_DAPM_MIC("SoC DMIC", NULL),
93 SND_SOC_DAPM_SPK("DP1", NULL),
94 SND_SOC_DAPM_SPK("DP2", NULL),
95 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
96 platform_clock_control, SND_SOC_DAPM_PRE_PMU |
97 SND_SOC_DAPM_POST_PMD),
98};
99
100static const struct snd_soc_dapm_route skylake_map[] = {
101
102 { "Headphone Jack", NULL, "HPOL" },
103 { "Headphone Jack", NULL, "HPOR" },
104
105
106 { "Spk", NULL, "Speaker" },
107
108
109 { "MIC", NULL, "Headset Mic" },
110 { "DMic", NULL, "SoC DMIC" },
111
112
113 { "HiFi Playback", NULL, "ssp0 Tx" },
114 { "ssp0 Tx", NULL, "codec0_out" },
115
116 { "Playback", NULL, "ssp1 Tx" },
117 { "ssp1 Tx", NULL, "codec1_out" },
118
119 { "codec0_in", NULL, "ssp1 Rx" },
120 { "ssp1 Rx", NULL, "Capture" },
121
122
123 { "dmic01_hifi", NULL, "DMIC01 Rx" },
124 { "DMIC01 Rx", NULL, "DMIC AIF" },
125
126 { "hifi3", NULL, "iDisp3 Tx"},
127 { "iDisp3 Tx", NULL, "iDisp3_out"},
128 { "hifi2", NULL, "iDisp2 Tx"},
129 { "iDisp2 Tx", NULL, "iDisp2_out"},
130 { "hifi1", NULL, "iDisp1 Tx"},
131 { "iDisp1 Tx", NULL, "iDisp1_out"},
132
133 { "Headphone Jack", NULL, "Platform Clock" },
134 { "Headset Mic", NULL, "Platform Clock" },
135};
136
137static int skylake_ssp_fixup(struct snd_soc_pcm_runtime *rtd,
138 struct snd_pcm_hw_params *params)
139{
140 struct snd_interval *rate = hw_param_interval(params,
141 SNDRV_PCM_HW_PARAM_RATE);
142 struct snd_interval *channels = hw_param_interval(params,
143 SNDRV_PCM_HW_PARAM_CHANNELS);
144 struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
145
146
147 rate->min = rate->max = 48000;
148 channels->min = channels->max = 2;
149
150
151 snd_mask_none(fmt);
152 snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
153
154 return 0;
155}
156
157static int skylake_nau8825_codec_init(struct snd_soc_pcm_runtime *rtd)
158{
159 int ret;
160 struct snd_soc_component *component = rtd->codec_dai->component;
161
162
163
164
165
166 ret = snd_soc_card_jack_new(&skylake_audio_card, "Headset Jack",
167 SND_JACK_HEADSET | SND_JACK_BTN_0 | SND_JACK_BTN_1 |
168 SND_JACK_BTN_2 | SND_JACK_BTN_3, &skylake_headset,
169 NULL, 0);
170 if (ret) {
171 dev_err(rtd->dev, "Headset Jack creation failed %d\n", ret);
172 return ret;
173 }
174
175 nau8825_enable_jack_detect(component, &skylake_headset);
176
177 snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
178
179 return ret;
180}
181
182static int skylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
183{
184 struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
185 struct snd_soc_dai *dai = rtd->codec_dai;
186 struct skl_hdmi_pcm *pcm;
187
188 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
189 if (!pcm)
190 return -ENOMEM;
191
192 pcm->device = SKL_DPCM_AUDIO_HDMI1_PB;
193 pcm->codec_dai = dai;
194
195 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
196
197 return 0;
198}
199
200static int skylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
201{
202 struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
203 struct snd_soc_dai *dai = rtd->codec_dai;
204 struct skl_hdmi_pcm *pcm;
205
206 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
207 if (!pcm)
208 return -ENOMEM;
209
210 pcm->device = SKL_DPCM_AUDIO_HDMI2_PB;
211 pcm->codec_dai = dai;
212
213 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
214
215 return 0;
216}
217
218static int skylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
219{
220 struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(rtd->card);
221 struct snd_soc_dai *dai = rtd->codec_dai;
222 struct skl_hdmi_pcm *pcm;
223
224 pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
225 if (!pcm)
226 return -ENOMEM;
227
228 pcm->device = SKL_DPCM_AUDIO_HDMI3_PB;
229 pcm->codec_dai = dai;
230
231 list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
232
233 return 0;
234}
235
236static int skylake_nau8825_fe_init(struct snd_soc_pcm_runtime *rtd)
237{
238 struct snd_soc_dapm_context *dapm;
239 struct snd_soc_component *component = rtd->cpu_dai->component;
240
241 dapm = snd_soc_component_get_dapm(component);
242 snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
243
244 return 0;
245}
246
247static const unsigned int rates[] = {
248 48000,
249};
250
251static const struct snd_pcm_hw_constraint_list constraints_rates = {
252 .count = ARRAY_SIZE(rates),
253 .list = rates,
254 .mask = 0,
255};
256
257static const unsigned int channels[] = {
258 2,
259};
260
261static const struct snd_pcm_hw_constraint_list constraints_channels = {
262 .count = ARRAY_SIZE(channels),
263 .list = channels,
264 .mask = 0,
265};
266
267static int skl_fe_startup(struct snd_pcm_substream *substream)
268{
269 struct snd_pcm_runtime *runtime = substream->runtime;
270
271
272
273
274
275
276
277
278 runtime->hw.channels_max = 2;
279 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
280 &constraints_channels);
281
282 runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
283 snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
284
285 snd_pcm_hw_constraint_list(runtime, 0,
286 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
287
288 return 0;
289}
290
291static const struct snd_soc_ops skylake_nau8825_fe_ops = {
292 .startup = skl_fe_startup,
293};
294
295static int skylake_nau8825_hw_params(struct snd_pcm_substream *substream,
296 struct snd_pcm_hw_params *params)
297{
298 struct snd_soc_pcm_runtime *rtd = substream->private_data;
299 struct snd_soc_dai *codec_dai = rtd->codec_dai;
300 int ret;
301
302 ret = snd_soc_dai_set_sysclk(codec_dai,
303 NAU8825_CLK_MCLK, 24000000, SND_SOC_CLOCK_IN);
304
305 if (ret < 0)
306 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
307
308 return ret;
309}
310
311static const struct snd_soc_ops skylake_nau8825_ops = {
312 .hw_params = skylake_nau8825_hw_params,
313};
314
315static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
316 struct snd_pcm_hw_params *params)
317{
318 struct snd_interval *channels = hw_param_interval(params,
319 SNDRV_PCM_HW_PARAM_CHANNELS);
320
321 if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
322 channels->min = channels->max = 2;
323 else
324 channels->min = channels->max = 4;
325
326 return 0;
327}
328
329static const unsigned int channels_dmic[] = {
330 2, 4,
331};
332
333static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
334 .count = ARRAY_SIZE(channels_dmic),
335 .list = channels_dmic,
336 .mask = 0,
337};
338
339static const unsigned int dmic_2ch[] = {
340 2,
341};
342
343static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
344 .count = ARRAY_SIZE(dmic_2ch),
345 .list = dmic_2ch,
346 .mask = 0,
347};
348
349static int skylake_dmic_startup(struct snd_pcm_substream *substream)
350{
351 struct snd_pcm_runtime *runtime = substream->runtime;
352
353 runtime->hw.channels_max = DMIC_CH(dmic_constraints);
354 snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
355 dmic_constraints);
356
357 return snd_pcm_hw_constraint_list(substream->runtime, 0,
358 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
359}
360
361static const struct snd_soc_ops skylake_dmic_ops = {
362 .startup = skylake_dmic_startup,
363};
364
365static const unsigned int rates_16000[] = {
366 16000,
367};
368
369static const struct snd_pcm_hw_constraint_list constraints_16000 = {
370 .count = ARRAY_SIZE(rates_16000),
371 .list = rates_16000,
372};
373
374static const unsigned int ch_mono[] = {
375 1,
376};
377
378static const struct snd_pcm_hw_constraint_list constraints_refcap = {
379 .count = ARRAY_SIZE(ch_mono),
380 .list = ch_mono,
381};
382
383static int skylake_refcap_startup(struct snd_pcm_substream *substream)
384{
385 substream->runtime->hw.channels_max = 1;
386 snd_pcm_hw_constraint_list(substream->runtime, 0,
387 SNDRV_PCM_HW_PARAM_CHANNELS,
388 &constraints_refcap);
389
390 return snd_pcm_hw_constraint_list(substream->runtime, 0,
391 SNDRV_PCM_HW_PARAM_RATE,
392 &constraints_16000);
393}
394
395static const struct snd_soc_ops skylake_refcap_ops = {
396 .startup = skylake_refcap_startup,
397};
398
399SND_SOC_DAILINK_DEF(dummy,
400 DAILINK_COMP_ARRAY(COMP_DUMMY()));
401
402SND_SOC_DAILINK_DEF(system,
403 DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
404
405SND_SOC_DAILINK_DEF(reference,
406 DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
407
408SND_SOC_DAILINK_DEF(dmic,
409 DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
410
411SND_SOC_DAILINK_DEF(hdmi1,
412 DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
413
414SND_SOC_DAILINK_DEF(hdmi2,
415 DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
416
417SND_SOC_DAILINK_DEF(hdmi3,
418 DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
419
420SND_SOC_DAILINK_DEF(ssp0_pin,
421 DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
422SND_SOC_DAILINK_DEF(ssp0_codec,
423 DAILINK_COMP_ARRAY(COMP_CODEC("MX98357A:00", SKL_MAXIM_CODEC_DAI)));
424
425SND_SOC_DAILINK_DEF(ssp1_pin,
426 DAILINK_COMP_ARRAY(COMP_CPU("SSP1 Pin")));
427SND_SOC_DAILINK_DEF(ssp1_codec,
428 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10508825:00",
429 SKL_NUVOTON_CODEC_DAI)));
430
431SND_SOC_DAILINK_DEF(dmic_pin,
432 DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
433SND_SOC_DAILINK_DEF(dmic_codec,
434 DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
435
436SND_SOC_DAILINK_DEF(idisp1_pin,
437 DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
438SND_SOC_DAILINK_DEF(idisp1_codec,
439 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
440
441SND_SOC_DAILINK_DEF(idisp2_pin,
442 DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
443SND_SOC_DAILINK_DEF(idisp2_codec,
444 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
445
446SND_SOC_DAILINK_DEF(idisp3_pin,
447 DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
448SND_SOC_DAILINK_DEF(idisp3_codec,
449 DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
450
451SND_SOC_DAILINK_DEF(platform,
452 DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
453
454
455static struct snd_soc_dai_link skylake_dais[] = {
456
457 [SKL_DPCM_AUDIO_PB] = {
458 .name = "Skl Audio Port",
459 .stream_name = "Audio",
460 .dynamic = 1,
461 .nonatomic = 1,
462 .init = skylake_nau8825_fe_init,
463 .trigger = {
464 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
465 .dpcm_playback = 1,
466 .ops = &skylake_nau8825_fe_ops,
467 SND_SOC_DAILINK_REG(system, dummy, platform),
468 },
469 [SKL_DPCM_AUDIO_CP] = {
470 .name = "Skl Audio Capture Port",
471 .stream_name = "Audio Record",
472 .dynamic = 1,
473 .nonatomic = 1,
474 .trigger = {
475 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
476 .dpcm_capture = 1,
477 .ops = &skylake_nau8825_fe_ops,
478 SND_SOC_DAILINK_REG(system, dummy, platform),
479 },
480 [SKL_DPCM_AUDIO_REF_CP] = {
481 .name = "Skl Audio Reference cap",
482 .stream_name = "Wake on Voice",
483 .init = NULL,
484 .dpcm_capture = 1,
485 .nonatomic = 1,
486 .dynamic = 1,
487 .ops = &skylake_refcap_ops,
488 SND_SOC_DAILINK_REG(reference, dummy, platform),
489 },
490 [SKL_DPCM_AUDIO_DMIC_CP] = {
491 .name = "Skl Audio DMIC cap",
492 .stream_name = "dmiccap",
493 .init = NULL,
494 .dpcm_capture = 1,
495 .nonatomic = 1,
496 .dynamic = 1,
497 .ops = &skylake_dmic_ops,
498 SND_SOC_DAILINK_REG(dmic, dummy, platform),
499 },
500 [SKL_DPCM_AUDIO_HDMI1_PB] = {
501 .name = "Skl HDMI Port1",
502 .stream_name = "Hdmi1",
503 .dpcm_playback = 1,
504 .init = NULL,
505 .trigger = {
506 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
507 .nonatomic = 1,
508 .dynamic = 1,
509 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
510 },
511 [SKL_DPCM_AUDIO_HDMI2_PB] = {
512 .name = "Skl HDMI Port2",
513 .stream_name = "Hdmi2",
514 .dpcm_playback = 1,
515 .init = NULL,
516 .trigger = {
517 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
518 .nonatomic = 1,
519 .dynamic = 1,
520 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
521 },
522 [SKL_DPCM_AUDIO_HDMI3_PB] = {
523 .name = "Skl HDMI Port3",
524 .stream_name = "Hdmi3",
525 .trigger = {
526 SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
527 .dpcm_playback = 1,
528 .init = NULL,
529 .nonatomic = 1,
530 .dynamic = 1,
531 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
532 },
533
534
535 {
536
537 .name = "SSP0-Codec",
538 .id = 0,
539 .no_pcm = 1,
540 .dai_fmt = SND_SOC_DAIFMT_I2S |
541 SND_SOC_DAIFMT_NB_NF |
542 SND_SOC_DAIFMT_CBS_CFS,
543 .ignore_pmdown_time = 1,
544 .be_hw_params_fixup = skylake_ssp_fixup,
545 .dpcm_playback = 1,
546 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
547 },
548 {
549
550 .name = "SSP1-Codec",
551 .id = 1,
552 .no_pcm = 1,
553 .init = skylake_nau8825_codec_init,
554 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
555 SND_SOC_DAIFMT_CBS_CFS,
556 .ignore_pmdown_time = 1,
557 .be_hw_params_fixup = skylake_ssp_fixup,
558 .ops = &skylake_nau8825_ops,
559 .dpcm_playback = 1,
560 .dpcm_capture = 1,
561 SND_SOC_DAILINK_REG(ssp1_pin, ssp1_codec, platform),
562 },
563 {
564 .name = "dmic01",
565 .id = 2,
566 .be_hw_params_fixup = skylake_dmic_fixup,
567 .ignore_suspend = 1,
568 .dpcm_capture = 1,
569 .no_pcm = 1,
570 SND_SOC_DAILINK_REG(dmic_pin, dmic_codec, platform),
571 },
572 {
573 .name = "iDisp1",
574 .id = 3,
575 .dpcm_playback = 1,
576 .init = skylake_hdmi1_init,
577 .no_pcm = 1,
578 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
579 },
580 {
581 .name = "iDisp2",
582 .id = 4,
583 .init = skylake_hdmi2_init,
584 .dpcm_playback = 1,
585 .no_pcm = 1,
586 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
587 },
588 {
589 .name = "iDisp3",
590 .id = 5,
591 .init = skylake_hdmi3_init,
592 .dpcm_playback = 1,
593 .no_pcm = 1,
594 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
595 },
596};
597
598#define NAME_SIZE 32
599static int skylake_card_late_probe(struct snd_soc_card *card)
600{
601 struct skl_nau8825_private *ctx = snd_soc_card_get_drvdata(card);
602 struct skl_hdmi_pcm *pcm;
603 struct snd_soc_component *component = NULL;
604 int err, i = 0;
605 char jack_name[NAME_SIZE];
606
607 list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
608 component = pcm->codec_dai->component;
609 snprintf(jack_name, sizeof(jack_name),
610 "HDMI/DP, pcm=%d Jack", pcm->device);
611 err = snd_soc_card_jack_new(card, jack_name,
612 SND_JACK_AVOUT,
613 &skylake_hdmi[i],
614 NULL, 0);
615
616 if (err)
617 return err;
618
619 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
620 &skylake_hdmi[i]);
621 if (err < 0)
622 return err;
623
624 i++;
625 }
626
627 if (!component)
628 return -EINVAL;
629
630 return hdac_hdmi_jack_port_init(component, &card->dapm);
631}
632
633
634static struct snd_soc_card skylake_audio_card = {
635 .name = "sklnau8825max",
636 .owner = THIS_MODULE,
637 .dai_link = skylake_dais,
638 .num_links = ARRAY_SIZE(skylake_dais),
639 .controls = skylake_controls,
640 .num_controls = ARRAY_SIZE(skylake_controls),
641 .dapm_widgets = skylake_widgets,
642 .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
643 .dapm_routes = skylake_map,
644 .num_dapm_routes = ARRAY_SIZE(skylake_map),
645 .fully_routed = true,
646 .late_probe = skylake_card_late_probe,
647};
648
649static int skylake_audio_probe(struct platform_device *pdev)
650{
651 struct skl_nau8825_private *ctx;
652 struct snd_soc_acpi_mach *mach;
653
654 ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
655 if (!ctx)
656 return -ENOMEM;
657
658 INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
659
660 skylake_audio_card.dev = &pdev->dev;
661 snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
662
663 mach = (&pdev->dev)->platform_data;
664 if (mach)
665 dmic_constraints = mach->mach_params.dmic_num == 2 ?
666 &constraints_dmic_2ch : &constraints_dmic_channels;
667
668 return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
669}
670
671static const struct platform_device_id skl_board_ids[] = {
672 { .name = "skl_n88l25_m98357a" },
673 { .name = "kbl_n88l25_m98357a" },
674 { }
675};
676
677static struct platform_driver skylake_audio = {
678 .probe = skylake_audio_probe,
679 .driver = {
680 .name = "skl_n88l25_m98357a",
681 .pm = &snd_soc_pm_ops,
682 },
683 .id_table = skl_board_ids,
684};
685
686module_platform_driver(skylake_audio)
687
688
689MODULE_DESCRIPTION("Audio Machine driver-NAU88L25 & MAX98357A in I2S mode");
690MODULE_AUTHOR("Rohit Ainapure <rohit.m.ainapure@intel.com");
691MODULE_LICENSE("GPL v2");
692MODULE_ALIAS("platform:skl_n88l25_m98357a");
693MODULE_ALIAS("platform:kbl_n88l25_m98357a");
694
