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

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

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