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

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  1 /*
  2  * Intel Broxton-P I2S Machine Driver
  3  *
  4  * Copyright (C) 2014-2016, Intel Corporation. All rights reserved.
  5  *
  6  * Modified from:
  7  *   Intel Skylake I2S Machine driver
  8  *
  9  * This program is free software; you can redistribute it and/or
 10  * modify it under the terms of the GNU General Public License version
 11  * 2 as published by the Free Software Foundation.
 12  *
 13  * This program is distributed in the hope that it will be useful,
 14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 16  * GNU General Public License for more details.
 17  */
 18 
 19 #include <linux/module.h>
 20 #include <linux/platform_device.h>
 21 #include <sound/core.h>
 22 #include <sound/pcm.h>
 23 #include <sound/soc.h>
 24 #include <sound/jack.h>
 25 #include <sound/pcm_params.h>
 26 #include "../../codecs/hdac_hdmi.h"
 27 #include "../../codecs/rt298.h"
 28 
 29 /* Headset jack detection DAPM pins */
 30 static struct snd_soc_jack broxton_headset;
 31 static struct snd_soc_jack broxton_hdmi[3];
 32 
 33 struct bxt_hdmi_pcm {
 34         struct list_head head;
 35         struct snd_soc_dai *codec_dai;
 36         int device;
 37 };
 38 
 39 struct bxt_rt286_private {
 40         struct list_head hdmi_pcm_list;
 41 };
 42 
 43 enum {
 44         BXT_DPCM_AUDIO_PB = 0,
 45         BXT_DPCM_AUDIO_CP,
 46         BXT_DPCM_AUDIO_REF_CP,
 47         BXT_DPCM_AUDIO_DMIC_CP,
 48         BXT_DPCM_AUDIO_HDMI1_PB,
 49         BXT_DPCM_AUDIO_HDMI2_PB,
 50         BXT_DPCM_AUDIO_HDMI3_PB,
 51 };
 52 
 53 static struct snd_soc_jack_pin broxton_headset_pins[] = {
 54         {
 55                 .pin = "Mic Jack",
 56                 .mask = SND_JACK_MICROPHONE,
 57         },
 58         {
 59                 .pin = "Headphone Jack",
 60                 .mask = SND_JACK_HEADPHONE,
 61         },
 62 };
 63 
 64 static const struct snd_kcontrol_new broxton_controls[] = {
 65         SOC_DAPM_PIN_SWITCH("Speaker"),
 66         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 67         SOC_DAPM_PIN_SWITCH("Mic Jack"),
 68 };
 69 
 70 static const struct snd_soc_dapm_widget broxton_widgets[] = {
 71         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 72         SND_SOC_DAPM_SPK("Speaker", NULL),
 73         SND_SOC_DAPM_MIC("Mic Jack", NULL),
 74         SND_SOC_DAPM_MIC("DMIC2", NULL),
 75         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 76         SND_SOC_DAPM_SPK("HDMI1", NULL),
 77         SND_SOC_DAPM_SPK("HDMI2", NULL),
 78         SND_SOC_DAPM_SPK("HDMI3", NULL),
 79 };
 80 
 81 static const struct snd_soc_dapm_route broxton_rt298_map[] = {
 82         /* speaker */
 83         {"Speaker", NULL, "SPOR"},
 84         {"Speaker", NULL, "SPOL"},
 85 
 86         /* HP jack connectors - unknown if we have jack detect */
 87         {"Headphone Jack", NULL, "HPO Pin"},
 88 
 89         /* other jacks */
 90         {"MIC1", NULL, "Mic Jack"},
 91 
 92         /* digital mics */
 93         {"DMIC1 Pin", NULL, "DMIC2"},
 94         {"DMic", NULL, "SoC DMIC"},
 95 
 96         {"HDMI1", NULL, "hif5-0 Output"},
 97         {"HDMI2", NULL, "hif6-0 Output"},
 98         {"HDMI2", NULL, "hif7-0 Output"},
 99 
100         /* CODEC BE connections */
101         { "AIF1 Playback", NULL, "ssp5 Tx"},
102         { "ssp5 Tx", NULL, "codec0_out"},
103         { "ssp5 Tx", NULL, "codec1_out"},
104 
105         { "codec0_in", NULL, "ssp5 Rx" },
106         { "ssp5 Rx", NULL, "AIF1 Capture" },
107 
108         { "dmic01_hifi", NULL, "DMIC01 Rx" },
109         { "DMIC01 Rx", NULL, "Capture" },
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 broxton_rt298_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 broxton_rt298_codec_init(struct snd_soc_pcm_runtime *rtd)
132 {
133         struct snd_soc_codec *codec = rtd->codec;
134         int ret = 0;
135 
136         ret = snd_soc_card_jack_new(rtd->card, "Headset",
137                 SND_JACK_HEADSET | SND_JACK_BTN_0,
138                 &broxton_headset,
139                 broxton_headset_pins, ARRAY_SIZE(broxton_headset_pins));
140 
141         if (ret)
142                 return ret;
143 
144         rt298_mic_detect(codec, &broxton_headset);
145 
146         snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
147 
148         return 0;
149 }
150 
151 static int broxton_hdmi_init(struct snd_soc_pcm_runtime *rtd)
152 {
153         struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
154         struct snd_soc_dai *dai = rtd->codec_dai;
155         struct bxt_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 = BXT_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 int broxton_ssp5_fixup(struct snd_soc_pcm_runtime *rtd,
170                         struct snd_pcm_hw_params *params)
171 {
172         struct snd_interval *rate = hw_param_interval(params,
173                                         SNDRV_PCM_HW_PARAM_RATE);
174         struct snd_interval *channels = hw_param_interval(params,
175                                         SNDRV_PCM_HW_PARAM_CHANNELS);
176         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
177 
178         /* The ADSP will covert the FE rate to 48k, stereo */
179         rate->min = rate->max = 48000;
180         channels->min = channels->max = 2;
181 
182         /* set SSP5 to 24 bit */
183         snd_mask_none(fmt);
184         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
185 
186         return 0;
187 }
188 
189 static int broxton_rt298_hw_params(struct snd_pcm_substream *substream,
190         struct snd_pcm_hw_params *params)
191 {
192         struct snd_soc_pcm_runtime *rtd = substream->private_data;
193         struct snd_soc_dai *codec_dai = rtd->codec_dai;
194         int ret;
195 
196         ret = snd_soc_dai_set_sysclk(codec_dai, RT298_SCLK_S_PLL,
197                                         19200000, SND_SOC_CLOCK_IN);
198         if (ret < 0) {
199                 dev_err(rtd->dev, "can't set codec sysclk configuration\n");
200                 return ret;
201         }
202 
203         return ret;
204 }
205 
206 static const struct snd_soc_ops broxton_rt298_ops = {
207         .hw_params = broxton_rt298_hw_params,
208 };
209 
210 static const unsigned int rates[] = {
211         48000,
212 };
213 
214 static const struct snd_pcm_hw_constraint_list constraints_rates = {
215         .count = ARRAY_SIZE(rates),
216         .list  = rates,
217         .mask = 0,
218 };
219 
220 static int broxton_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
221                                 struct snd_pcm_hw_params *params)
222 {
223         struct snd_interval *channels = hw_param_interval(params,
224                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
225         channels->min = channels->max = 4;
226 
227         return 0;
228 }
229 
230 static const unsigned int channels_dmic[] = {
231         1, 2, 3, 4,
232 };
233 
234 static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
235         .count = ARRAY_SIZE(channels_dmic),
236         .list = channels_dmic,
237         .mask = 0,
238 };
239 
240 static int broxton_dmic_startup(struct snd_pcm_substream *substream)
241 {
242         struct snd_pcm_runtime *runtime = substream->runtime;
243 
244         runtime->hw.channels_max = 4;
245         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
246                                         &constraints_dmic_channels);
247 
248         return snd_pcm_hw_constraint_list(substream->runtime, 0,
249                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
250 }
251 
252 static const struct snd_soc_ops broxton_dmic_ops = {
253         .startup = broxton_dmic_startup,
254 };
255 
256 static const unsigned int channels[] = {
257         2,
258 };
259 
260 static const struct snd_pcm_hw_constraint_list constraints_channels = {
261         .count = ARRAY_SIZE(channels),
262         .list = channels,
263         .mask = 0,
264 };
265 
266 static int bxt_fe_startup(struct snd_pcm_substream *substream)
267 {
268         struct snd_pcm_runtime *runtime = substream->runtime;
269 
270         /*
271          * on this platform for PCM device we support:
272          *      48Khz
273          *      stereo
274          *      16-bit audio
275          */
276 
277         runtime->hw.channels_max = 2;
278         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
279                                 &constraints_channels);
280 
281         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
282         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
283         snd_pcm_hw_constraint_list(runtime, 0,
284                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
285 
286         return 0;
287 }
288 
289 static const struct snd_soc_ops broxton_rt286_fe_ops = {
290         .startup = bxt_fe_startup,
291 };
292 
293 /* broxton digital audio interface glue - connects codec <--> CPU */
294 static struct snd_soc_dai_link broxton_rt298_dais[] = {
295         /* Front End DAI links */
296         [BXT_DPCM_AUDIO_PB] =
297         {
298                 .name = "Bxt Audio Port",
299                 .stream_name = "Audio",
300                 .cpu_dai_name = "System Pin",
301                 .platform_name = "0000:00:0e.0",
302                 .nonatomic = 1,
303                 .dynamic = 1,
304                 .codec_name = "snd-soc-dummy",
305                 .codec_dai_name = "snd-soc-dummy-dai",
306                 .init = broxton_rt298_fe_init,
307                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
308                 .dpcm_playback = 1,
309                 .ops = &broxton_rt286_fe_ops,
310         },
311         [BXT_DPCM_AUDIO_CP] =
312         {
313                 .name = "Bxt Audio Capture Port",
314                 .stream_name = "Audio Record",
315                 .cpu_dai_name = "System Pin",
316                 .platform_name = "0000:00:0e.0",
317                 .nonatomic = 1,
318                 .dynamic = 1,
319                 .codec_name = "snd-soc-dummy",
320                 .codec_dai_name = "snd-soc-dummy-dai",
321                 .trigger = {SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
322                 .dpcm_capture = 1,
323                 .ops = &broxton_rt286_fe_ops,
324         },
325         [BXT_DPCM_AUDIO_REF_CP] =
326         {
327                 .name = "Bxt Audio Reference cap",
328                 .stream_name = "refcap",
329                 .cpu_dai_name = "Reference Pin",
330                 .codec_name = "snd-soc-dummy",
331                 .codec_dai_name = "snd-soc-dummy-dai",
332                 .platform_name = "0000:00:0e.0",
333                 .init = NULL,
334                 .dpcm_capture = 1,
335                 .nonatomic = 1,
336                 .dynamic = 1,
337         },
338         [BXT_DPCM_AUDIO_DMIC_CP] =
339         {
340                 .name = "Bxt Audio DMIC cap",
341                 .stream_name = "dmiccap",
342                 .cpu_dai_name = "DMIC Pin",
343                 .codec_name = "snd-soc-dummy",
344                 .codec_dai_name = "snd-soc-dummy-dai",
345                 .platform_name = "0000:00:0e.0",
346                 .init = NULL,
347                 .dpcm_capture = 1,
348                 .nonatomic = 1,
349                 .dynamic = 1,
350                 .ops = &broxton_dmic_ops,
351         },
352         [BXT_DPCM_AUDIO_HDMI1_PB] =
353         {
354                 .name = "Bxt HDMI Port1",
355                 .stream_name = "Hdmi1",
356                 .cpu_dai_name = "HDMI1 Pin",
357                 .codec_name = "snd-soc-dummy",
358                 .codec_dai_name = "snd-soc-dummy-dai",
359                 .platform_name = "0000:00:0e.0",
360                 .dpcm_playback = 1,
361                 .init = NULL,
362                 .nonatomic = 1,
363                 .dynamic = 1,
364         },
365         [BXT_DPCM_AUDIO_HDMI2_PB] =
366         {
367                 .name = "Bxt HDMI Port2",
368                 .stream_name = "Hdmi2",
369                 .cpu_dai_name = "HDMI2 Pin",
370                 .codec_name = "snd-soc-dummy",
371                 .codec_dai_name = "snd-soc-dummy-dai",
372                 .platform_name = "0000:00:0e.0",
373                 .dpcm_playback = 1,
374                 .init = NULL,
375                 .nonatomic = 1,
376                 .dynamic = 1,
377         },
378         [BXT_DPCM_AUDIO_HDMI3_PB] =
379         {
380                 .name = "Bxt HDMI Port3",
381                 .stream_name = "Hdmi3",
382                 .cpu_dai_name = "HDMI3 Pin",
383                 .codec_name = "snd-soc-dummy",
384                 .codec_dai_name = "snd-soc-dummy-dai",
385                 .platform_name = "0000:00:0e.0",
386                 .dpcm_playback = 1,
387                 .init = NULL,
388                 .nonatomic = 1,
389                 .dynamic = 1,
390         },
391         /* Back End DAI links */
392         {
393                 /* SSP5 - Codec */
394                 .name = "SSP5-Codec",
395                 .id = 0,
396                 .cpu_dai_name = "SSP5 Pin",
397                 .platform_name = "0000:00:0e.0",
398                 .no_pcm = 1,
399                 .codec_name = "i2c-INT343A:00",
400                 .codec_dai_name = "rt298-aif1",
401                 .init = broxton_rt298_codec_init,
402                 .dai_fmt = SND_SOC_DAIFMT_DSP_A | SND_SOC_DAIFMT_NB_NF |
403                                                 SND_SOC_DAIFMT_CBS_CFS,
404                 .ignore_pmdown_time = 1,
405                 .be_hw_params_fixup = broxton_ssp5_fixup,
406                 .ops = &broxton_rt298_ops,
407                 .dpcm_playback = 1,
408                 .dpcm_capture = 1,
409         },
410         {
411                 .name = "dmic01",
412                 .id = 1,
413                 .cpu_dai_name = "DMIC01 Pin",
414                 .codec_name = "dmic-codec",
415                 .codec_dai_name = "dmic-hifi",
416                 .platform_name = "0000:00:0e.0",
417                 .be_hw_params_fixup = broxton_dmic_fixup,
418                 .ignore_suspend = 1,
419                 .dpcm_capture = 1,
420                 .no_pcm = 1,
421         },
422         {
423                 .name = "iDisp1",
424                 .id = 3,
425                 .cpu_dai_name = "iDisp1 Pin",
426                 .codec_name = "ehdaudio0D2",
427                 .codec_dai_name = "intel-hdmi-hifi1",
428                 .platform_name = "0000:00:0e.0",
429                 .init = broxton_hdmi_init,
430                 .dpcm_playback = 1,
431                 .no_pcm = 1,
432         },
433         {
434                 .name = "iDisp2",
435                 .id = 4,
436                 .cpu_dai_name = "iDisp2 Pin",
437                 .codec_name = "ehdaudio0D2",
438                 .codec_dai_name = "intel-hdmi-hifi2",
439                 .platform_name = "0000:00:0e.0",
440                 .init = broxton_hdmi_init,
441                 .dpcm_playback = 1,
442                 .no_pcm = 1,
443         },
444         {
445                 .name = "iDisp3",
446                 .id = 5,
447                 .cpu_dai_name = "iDisp3 Pin",
448                 .codec_name = "ehdaudio0D2",
449                 .codec_dai_name = "intel-hdmi-hifi3",
450                 .platform_name = "0000:00:0e.0",
451                 .init = broxton_hdmi_init,
452                 .dpcm_playback = 1,
453                 .no_pcm = 1,
454         },
455 };
456 
457 #define NAME_SIZE       32
458 static int bxt_card_late_probe(struct snd_soc_card *card)
459 {
460         struct bxt_rt286_private *ctx = snd_soc_card_get_drvdata(card);
461         struct bxt_hdmi_pcm *pcm;
462         struct snd_soc_codec *codec = NULL;
463         int err, i = 0;
464         char jack_name[NAME_SIZE];
465 
466         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
467                 codec = pcm->codec_dai->codec;
468                 snprintf(jack_name, sizeof(jack_name),
469                         "HDMI/DP, pcm=%d Jack", pcm->device);
470                 err = snd_soc_card_jack_new(card, jack_name,
471                                         SND_JACK_AVOUT, &broxton_hdmi[i],
472                                         NULL, 0);
473 
474                 if (err)
475                         return err;
476 
477                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
478                                                 &broxton_hdmi[i]);
479                 if (err < 0)
480                         return err;
481 
482                 i++;
483         }
484 
485         if (!codec)
486                 return -EINVAL;
487 
488         return hdac_hdmi_jack_port_init(codec, &card->dapm);
489 }
490 
491 
492 /* broxton audio machine driver for SPT + RT298S */
493 static struct snd_soc_card broxton_rt298 = {
494         .name = "broxton-rt298",
495         .owner = THIS_MODULE,
496         .dai_link = broxton_rt298_dais,
497         .num_links = ARRAY_SIZE(broxton_rt298_dais),
498         .controls = broxton_controls,
499         .num_controls = ARRAY_SIZE(broxton_controls),
500         .dapm_widgets = broxton_widgets,
501         .num_dapm_widgets = ARRAY_SIZE(broxton_widgets),
502         .dapm_routes = broxton_rt298_map,
503         .num_dapm_routes = ARRAY_SIZE(broxton_rt298_map),
504         .fully_routed = true,
505         .late_probe = bxt_card_late_probe,
506 
507 };
508 
509 static int broxton_audio_probe(struct platform_device *pdev)
510 {
511         struct bxt_rt286_private *ctx;
512 
513         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
514         if (!ctx)
515                 return -ENOMEM;
516 
517         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
518 
519         broxton_rt298.dev = &pdev->dev;
520         snd_soc_card_set_drvdata(&broxton_rt298, ctx);
521 
522         return devm_snd_soc_register_card(&pdev->dev, &broxton_rt298);
523 }
524 
525 static struct platform_driver broxton_audio = {
526         .probe = broxton_audio_probe,
527         .driver = {
528                 .name = "bxt_alc298s_i2s",
529                 .pm = &snd_soc_pm_ops,
530         },
531 };
532 module_platform_driver(broxton_audio)
533 
534 /* Module information */
535 MODULE_AUTHOR("Ramesh Babu <Ramesh.Babu@intel.com>");
536 MODULE_AUTHOR("Senthilnathan Veppur <senthilnathanx.veppur@intel.com>");
537 MODULE_DESCRIPTION("Intel SST Audio for Broxton");
538 MODULE_LICENSE("GPL v2");
539 MODULE_ALIAS("platform:bxt_alc298s_i2s");
540 

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