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Linux/sound/soc/intel/boards/skl_rt286.c

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  1 // SPDX-License-Identifier: GPL-2.0-only
  2 /*
  3  * Intel Skylake I2S Machine Driver
  4  *
  5  * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
  6  *
  7  * Modified from:
  8  *   Intel Broadwell Wildcatpoint SST Audio
  9  *
 10  *   Copyright (C) 2013, Intel Corporation. All rights reserved.
 11  */
 12 
 13 #include <linux/module.h>
 14 #include <linux/platform_device.h>
 15 #include <sound/core.h>
 16 #include <sound/pcm.h>
 17 #include <sound/soc.h>
 18 #include <sound/jack.h>
 19 #include <sound/pcm_params.h>
 20 #include "../../codecs/rt286.h"
 21 #include "../../codecs/hdac_hdmi.h"
 22 
 23 static struct snd_soc_jack skylake_headset;
 24 static struct snd_soc_jack skylake_hdmi[3];
 25 
 26 struct skl_hdmi_pcm {
 27         struct list_head head;
 28         struct snd_soc_dai *codec_dai;
 29         int device;
 30 };
 31 
 32 struct skl_rt286_private {
 33         struct list_head hdmi_pcm_list;
 34 };
 35 
 36 enum {
 37         SKL_DPCM_AUDIO_PB = 0,
 38         SKL_DPCM_AUDIO_DB_PB,
 39         SKL_DPCM_AUDIO_CP,
 40         SKL_DPCM_AUDIO_REF_CP,
 41         SKL_DPCM_AUDIO_DMIC_CP,
 42         SKL_DPCM_AUDIO_HDMI1_PB,
 43         SKL_DPCM_AUDIO_HDMI2_PB,
 44         SKL_DPCM_AUDIO_HDMI3_PB,
 45 };
 46 
 47 /* Headset jack detection DAPM pins */
 48 static struct snd_soc_jack_pin skylake_headset_pins[] = {
 49         {
 50                 .pin = "Mic Jack",
 51                 .mask = SND_JACK_MICROPHONE,
 52         },
 53         {
 54                 .pin = "Headphone Jack",
 55                 .mask = SND_JACK_HEADPHONE,
 56         },
 57 };
 58 
 59 static const struct snd_kcontrol_new skylake_controls[] = {
 60         SOC_DAPM_PIN_SWITCH("Speaker"),
 61         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 62         SOC_DAPM_PIN_SWITCH("Mic Jack"),
 63 };
 64 
 65 static const struct snd_soc_dapm_widget skylake_widgets[] = {
 66         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 67         SND_SOC_DAPM_SPK("Speaker", NULL),
 68         SND_SOC_DAPM_MIC("Mic Jack", NULL),
 69         SND_SOC_DAPM_MIC("DMIC2", NULL),
 70         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 71         SND_SOC_DAPM_SPK("HDMI1", NULL),
 72         SND_SOC_DAPM_SPK("HDMI2", NULL),
 73         SND_SOC_DAPM_SPK("HDMI3", NULL),
 74 };
 75 
 76 static const struct snd_soc_dapm_route skylake_rt286_map[] = {
 77         /* speaker */
 78         {"Speaker", NULL, "SPOR"},
 79         {"Speaker", NULL, "SPOL"},
 80 
 81         /* HP jack connectors - unknown if we have jack deteck */
 82         {"Headphone Jack", NULL, "HPO Pin"},
 83 
 84         /* other jacks */
 85         {"MIC1", NULL, "Mic Jack"},
 86 
 87         /* digital mics */
 88         {"DMIC1 Pin", NULL, "DMIC2"},
 89         {"DMic", NULL, "SoC DMIC"},
 90 
 91         /* CODEC BE connections */
 92         { "AIF1 Playback", NULL, "ssp0 Tx"},
 93         { "ssp0 Tx", NULL, "codec0_out"},
 94         { "ssp0 Tx", NULL, "codec1_out"},
 95 
 96         { "codec0_in", NULL, "ssp0 Rx" },
 97         { "codec1_in", NULL, "ssp0 Rx" },
 98         { "ssp0 Rx", NULL, "AIF1 Capture" },
 99 
100         { "dmic01_hifi", NULL, "DMIC01 Rx" },
101         { "DMIC01 Rx", NULL, "DMIC AIF" },
102 
103         { "hifi3", NULL, "iDisp3 Tx"},
104         { "iDisp3 Tx", NULL, "iDisp3_out"},
105         { "hifi2", NULL, "iDisp2 Tx"},
106         { "iDisp2 Tx", NULL, "iDisp2_out"},
107         { "hifi1", NULL, "iDisp1 Tx"},
108         { "iDisp1 Tx", NULL, "iDisp1_out"},
109 
110 };
111 
112 static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
113 {
114         struct snd_soc_dapm_context *dapm;
115         struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;
116 
117         dapm = snd_soc_component_get_dapm(component);
118         snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
119 
120         return 0;
121 }
122 
123 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
124 {
125         struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
126         int ret;
127 
128         ret = snd_soc_card_jack_new(rtd->card, "Headset",
129                 SND_JACK_HEADSET | SND_JACK_BTN_0,
130                 &skylake_headset,
131                 skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
132 
133         if (ret)
134                 return ret;
135 
136         rt286_mic_detect(component, &skylake_headset);
137 
138         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
139 
140         return 0;
141 }
142 
143 static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
144 {
145         struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
146         struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
147         struct skl_hdmi_pcm *pcm;
148 
149         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
150         if (!pcm)
151                 return -ENOMEM;
152 
153         pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
154         pcm->codec_dai = dai;
155 
156         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
157 
158         return 0;
159 }
160 
161 static const unsigned int rates[] = {
162         48000,
163 };
164 
165 static const struct snd_pcm_hw_constraint_list constraints_rates = {
166         .count = ARRAY_SIZE(rates),
167         .list  = rates,
168         .mask = 0,
169 };
170 
171 static const unsigned int channels[] = {
172         2,
173 };
174 
175 static const struct snd_pcm_hw_constraint_list constraints_channels = {
176         .count = ARRAY_SIZE(channels),
177         .list = channels,
178         .mask = 0,
179 };
180 
181 static int skl_fe_startup(struct snd_pcm_substream *substream)
182 {
183         struct snd_pcm_runtime *runtime = substream->runtime;
184 
185         /*
186          * on this platform for PCM device we support,
187          *      48Khz
188          *      stereo
189          *      16 bit audio
190          */
191 
192         runtime->hw.channels_max = 2;
193         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
194                                            &constraints_channels);
195 
196         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
197         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
198 
199         snd_pcm_hw_constraint_list(runtime, 0,
200                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
201 
202         return 0;
203 }
204 
205 static const struct snd_soc_ops skylake_rt286_fe_ops = {
206         .startup = skl_fe_startup,
207 };
208 
209 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
210                         struct snd_pcm_hw_params *params)
211 {
212         struct snd_interval *rate = hw_param_interval(params,
213                         SNDRV_PCM_HW_PARAM_RATE);
214         struct snd_interval *chan = hw_param_interval(params,
215                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
216         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
217 
218         /* The output is 48KHz, stereo, 16bits */
219         rate->min = rate->max = 48000;
220         chan->min = chan->max = 2;
221 
222         /* set SSP0 to 24 bit */
223         snd_mask_none(fmt);
224         snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
225         return 0;
226 }
227 
228 static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
229         struct snd_pcm_hw_params *params)
230 {
231         struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
232         struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
233         int ret;
234 
235         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
236                 SND_SOC_CLOCK_IN);
237         if (ret < 0)
238                 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
239 
240         return ret;
241 }
242 
243 static const struct snd_soc_ops skylake_rt286_ops = {
244         .hw_params = skylake_rt286_hw_params,
245 };
246 
247 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
248                                 struct snd_pcm_hw_params *params)
249 {
250         struct snd_interval *chan = hw_param_interval(params,
251                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
252         if (params_channels(params) == 2)
253                 chan->min = chan->max = 2;
254         else
255                 chan->min = chan->max = 4;
256 
257         return 0;
258 }
259 
260 static const unsigned int channels_dmic[] = {
261         2, 4,
262 };
263 
264 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
265         .count = ARRAY_SIZE(channels_dmic),
266         .list = channels_dmic,
267         .mask = 0,
268 };
269 
270 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
271 {
272         struct snd_pcm_runtime *runtime = substream->runtime;
273 
274         runtime->hw.channels_max = 4;
275         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
276                                            &constraints_dmic_channels);
277 
278         return snd_pcm_hw_constraint_list(substream->runtime, 0,
279                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
280 }
281 
282 static const struct snd_soc_ops skylake_dmic_ops = {
283         .startup = skylake_dmic_startup,
284 };
285 
286 SND_SOC_DAILINK_DEF(dummy,
287         DAILINK_COMP_ARRAY(COMP_DUMMY()));
288 
289 SND_SOC_DAILINK_DEF(system,
290         DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
291 
292 SND_SOC_DAILINK_DEF(deepbuffer,
293         DAILINK_COMP_ARRAY(COMP_CPU("Deepbuffer Pin")));
294 
295 SND_SOC_DAILINK_DEF(reference,
296         DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));
297 
298 SND_SOC_DAILINK_DEF(dmic,
299         DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));
300 
301 SND_SOC_DAILINK_DEF(hdmi1,
302         DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
303 
304 SND_SOC_DAILINK_DEF(hdmi2,
305         DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
306 
307 SND_SOC_DAILINK_DEF(hdmi3,
308         DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
309 
310 SND_SOC_DAILINK_DEF(ssp0_pin,
311         DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
312 SND_SOC_DAILINK_DEF(ssp0_codec,
313         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));
314 
315 SND_SOC_DAILINK_DEF(dmic01_pin,
316         DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
317 SND_SOC_DAILINK_DEF(dmic_codec,
318         DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));
319 
320 SND_SOC_DAILINK_DEF(idisp1_pin,
321         DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
322 SND_SOC_DAILINK_DEF(idisp1_codec,
323         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
324 
325 SND_SOC_DAILINK_DEF(idisp2_pin,
326         DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
327 SND_SOC_DAILINK_DEF(idisp2_codec,
328         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
329 
330 SND_SOC_DAILINK_DEF(idisp3_pin,
331         DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
332 SND_SOC_DAILINK_DEF(idisp3_codec,
333         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
334 
335 SND_SOC_DAILINK_DEF(platform,
336         DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
337 
338 /* skylake digital audio interface glue - connects codec <--> CPU */
339 static struct snd_soc_dai_link skylake_rt286_dais[] = {
340         /* Front End DAI links */
341         [SKL_DPCM_AUDIO_PB] = {
342                 .name = "Skl Audio Port",
343                 .stream_name = "Audio",
344                 .nonatomic = 1,
345                 .dynamic = 1,
346                 .init = skylake_rt286_fe_init,
347                 .trigger = {
348                         SND_SOC_DPCM_TRIGGER_POST,
349                         SND_SOC_DPCM_TRIGGER_POST
350                 },
351                 .dpcm_playback = 1,
352                 .ops = &skylake_rt286_fe_ops,
353                 SND_SOC_DAILINK_REG(system, dummy, platform),
354         },
355         [SKL_DPCM_AUDIO_DB_PB] = {
356                 .name = "Skl Deepbuffer Port",
357                 .stream_name = "Deep Buffer Audio",
358                 .nonatomic = 1,
359                 .dynamic = 1,
360                 .trigger = {
361                         SND_SOC_DPCM_TRIGGER_POST,
362                         SND_SOC_DPCM_TRIGGER_POST
363                 },
364                 .dpcm_playback = 1,
365                 .ops = &skylake_rt286_fe_ops,
366                 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
367         },
368         [SKL_DPCM_AUDIO_CP] = {
369                 .name = "Skl Audio Capture Port",
370                 .stream_name = "Audio Record",
371                 .nonatomic = 1,
372                 .dynamic = 1,
373                 .trigger = {
374                         SND_SOC_DPCM_TRIGGER_POST,
375                         SND_SOC_DPCM_TRIGGER_POST
376                 },
377                 .dpcm_capture = 1,
378                 .ops = &skylake_rt286_fe_ops,
379                 SND_SOC_DAILINK_REG(system, dummy, platform),
380         },
381         [SKL_DPCM_AUDIO_REF_CP] = {
382                 .name = "Skl Audio Reference cap",
383                 .stream_name = "refcap",
384                 .init = NULL,
385                 .dpcm_capture = 1,
386                 .nonatomic = 1,
387                 .dynamic = 1,
388                 SND_SOC_DAILINK_REG(reference, dummy, platform),
389         },
390         [SKL_DPCM_AUDIO_DMIC_CP] = {
391                 .name = "Skl Audio DMIC cap",
392                 .stream_name = "dmiccap",
393                 .init = NULL,
394                 .dpcm_capture = 1,
395                 .nonatomic = 1,
396                 .dynamic = 1,
397                 .ops = &skylake_dmic_ops,
398                 SND_SOC_DAILINK_REG(dmic, dummy, platform),
399         },
400         [SKL_DPCM_AUDIO_HDMI1_PB] = {
401                 .name = "Skl HDMI Port1",
402                 .stream_name = "Hdmi1",
403                 .dpcm_playback = 1,
404                 .init = NULL,
405                 .nonatomic = 1,
406                 .dynamic = 1,
407                 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
408         },
409         [SKL_DPCM_AUDIO_HDMI2_PB] = {
410                 .name = "Skl HDMI Port2",
411                 .stream_name = "Hdmi2",
412                 .dpcm_playback = 1,
413                 .init = NULL,
414                 .nonatomic = 1,
415                 .dynamic = 1,
416                 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
417         },
418         [SKL_DPCM_AUDIO_HDMI3_PB] = {
419                 .name = "Skl HDMI Port3",
420                 .stream_name = "Hdmi3",
421                 .dpcm_playback = 1,
422                 .init = NULL,
423                 .nonatomic = 1,
424                 .dynamic = 1,
425                 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
426         },
427 
428         /* Back End DAI links */
429         {
430                 /* SSP0 - Codec */
431                 .name = "SSP0-Codec",
432                 .id = 0,
433                 .no_pcm = 1,
434                 .init = skylake_rt286_codec_init,
435                 .dai_fmt = SND_SOC_DAIFMT_I2S |
436                         SND_SOC_DAIFMT_NB_NF |
437                         SND_SOC_DAIFMT_CBS_CFS,
438                 .ignore_pmdown_time = 1,
439                 .be_hw_params_fixup = skylake_ssp0_fixup,
440                 .ops = &skylake_rt286_ops,
441                 .dpcm_playback = 1,
442                 .dpcm_capture = 1,
443                 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
444         },
445         {
446                 .name = "dmic01",
447                 .id = 1,
448                 .be_hw_params_fixup = skylake_dmic_fixup,
449                 .ignore_suspend = 1,
450                 .dpcm_capture = 1,
451                 .no_pcm = 1,
452                 SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
453         },
454         {
455                 .name = "iDisp1",
456                 .id = 2,
457                 .init = skylake_hdmi_init,
458                 .dpcm_playback = 1,
459                 .no_pcm = 1,
460                 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
461         },
462         {
463                 .name = "iDisp2",
464                 .id = 3,
465                 .init = skylake_hdmi_init,
466                 .dpcm_playback = 1,
467                 .no_pcm = 1,
468                 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
469         },
470         {
471                 .name = "iDisp3",
472                 .id = 4,
473                 .init = skylake_hdmi_init,
474                 .dpcm_playback = 1,
475                 .no_pcm = 1,
476                 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
477         },
478 };
479 
480 #define NAME_SIZE       32
481 static int skylake_card_late_probe(struct snd_soc_card *card)
482 {
483         struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
484         struct skl_hdmi_pcm *pcm;
485         struct snd_soc_component *component = NULL;
486         int err, i = 0;
487         char jack_name[NAME_SIZE];
488 
489         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
490                 component = pcm->codec_dai->component;
491                 snprintf(jack_name, sizeof(jack_name),
492                         "HDMI/DP, pcm=%d Jack", pcm->device);
493                 err = snd_soc_card_jack_new(card, jack_name,
494                                         SND_JACK_AVOUT, &skylake_hdmi[i],
495                                         NULL, 0);
496 
497                 if (err)
498                         return err;
499 
500                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
501                                                 &skylake_hdmi[i]);
502                 if (err < 0)
503                         return err;
504 
505                 i++;
506         }
507 
508         if (!component)
509                 return -EINVAL;
510 
511         return hdac_hdmi_jack_port_init(component, &card->dapm);
512 }
513 
514 /* skylake audio machine driver for SPT + RT286S */
515 static struct snd_soc_card skylake_rt286 = {
516         .name = "skylake-rt286",
517         .owner = THIS_MODULE,
518         .dai_link = skylake_rt286_dais,
519         .num_links = ARRAY_SIZE(skylake_rt286_dais),
520         .controls = skylake_controls,
521         .num_controls = ARRAY_SIZE(skylake_controls),
522         .dapm_widgets = skylake_widgets,
523         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
524         .dapm_routes = skylake_rt286_map,
525         .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
526         .fully_routed = true,
527         .late_probe = skylake_card_late_probe,
528 };
529 
530 static int skylake_audio_probe(struct platform_device *pdev)
531 {
532         struct skl_rt286_private *ctx;
533 
534         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
535         if (!ctx)
536                 return -ENOMEM;
537 
538         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
539 
540         skylake_rt286.dev = &pdev->dev;
541         snd_soc_card_set_drvdata(&skylake_rt286, ctx);
542 
543         return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
544 }
545 
546 static const struct platform_device_id skl_board_ids[] = {
547         { .name = "skl_alc286s_i2s" },
548         { .name = "kbl_alc286s_i2s" },
549         { }
550 };
551 
552 static struct platform_driver skylake_audio = {
553         .probe = skylake_audio_probe,
554         .driver = {
555                 .name = "skl_alc286s_i2s",
556                 .pm = &snd_soc_pm_ops,
557         },
558         .id_table = skl_board_ids,
559 
560 };
561 
562 module_platform_driver(skylake_audio)
563 
564 /* Module information */
565 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
566 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
567 MODULE_LICENSE("GPL v2");
568 MODULE_ALIAS("platform:skl_alc286s_i2s");
569 MODULE_ALIAS("platform:kbl_alc286s_i2s");
570 

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