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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 
 33 enum {
 34         SKL_DPCM_AUDIO_PB = 0,
 35         SKL_DPCM_AUDIO_CP,
 36         SKL_DPCM_AUDIO_REF_CP,
 37         SKL_DPCM_AUDIO_DMIC_CP,
 38         SKL_DPCM_AUDIO_HDMI1_PB,
 39         SKL_DPCM_AUDIO_HDMI2_PB,
 40         SKL_DPCM_AUDIO_HDMI3_PB,
 41 };
 42 
 43 /* Headset jack detection DAPM pins */
 44 static struct snd_soc_jack_pin skylake_headset_pins[] = {
 45         {
 46                 .pin = "Mic Jack",
 47                 .mask = SND_JACK_MICROPHONE,
 48         },
 49         {
 50                 .pin = "Headphone Jack",
 51                 .mask = SND_JACK_HEADPHONE,
 52         },
 53 };
 54 
 55 static const struct snd_kcontrol_new skylake_controls[] = {
 56         SOC_DAPM_PIN_SWITCH("Speaker"),
 57         SOC_DAPM_PIN_SWITCH("Headphone Jack"),
 58         SOC_DAPM_PIN_SWITCH("Mic Jack"),
 59 };
 60 
 61 static const struct snd_soc_dapm_widget skylake_widgets[] = {
 62         SND_SOC_DAPM_HP("Headphone Jack", NULL),
 63         SND_SOC_DAPM_SPK("Speaker", NULL),
 64         SND_SOC_DAPM_MIC("Mic Jack", NULL),
 65         SND_SOC_DAPM_MIC("DMIC2", NULL),
 66         SND_SOC_DAPM_MIC("SoC DMIC", NULL),
 67         SND_SOC_DAPM_SPK("HDMI1", NULL),
 68         SND_SOC_DAPM_SPK("HDMI2", NULL),
 69         SND_SOC_DAPM_SPK("HDMI3", NULL),
 70 };
 71 
 72 static const struct snd_soc_dapm_route skylake_rt286_map[] = {
 73         /* speaker */
 74         {"Speaker", NULL, "SPOR"},
 75         {"Speaker", NULL, "SPOL"},
 76 
 77         /* HP jack connectors - unknown if we have jack deteck */
 78         {"Headphone Jack", NULL, "HPO Pin"},
 79 
 80         /* other jacks */
 81         {"MIC1", NULL, "Mic Jack"},
 82 
 83         /* digital mics */
 84         {"DMIC1 Pin", NULL, "DMIC2"},
 85         {"DMic", NULL, "SoC DMIC"},
 86 
 87         {"HDMI1", NULL, "hif5 Output"},
 88         {"HDMI2", NULL, "hif6 Output"},
 89         {"HDMI3", NULL, "hif7 Output"},
 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 = rtd->cpu_dai->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_codec *codec = rtd->codec;
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(codec, &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 snd_soc_dai *dai = rtd->codec_dai;
146 
147         return hdac_hdmi_jack_init(dai, SKL_DPCM_AUDIO_HDMI1_PB + dai->id);
148 }
149 
150 static unsigned int rates[] = {
151         48000,
152 };
153 
154 static struct snd_pcm_hw_constraint_list constraints_rates = {
155         .count = ARRAY_SIZE(rates),
156         .list  = rates,
157         .mask = 0,
158 };
159 
160 static unsigned int channels[] = {
161         2,
162 };
163 
164 static struct snd_pcm_hw_constraint_list constraints_channels = {
165         .count = ARRAY_SIZE(channels),
166         .list = channels,
167         .mask = 0,
168 };
169 
170 static int skl_fe_startup(struct snd_pcm_substream *substream)
171 {
172         struct snd_pcm_runtime *runtime = substream->runtime;
173 
174         /*
175          * on this platform for PCM device we support,
176          *      48Khz
177          *      stereo
178          *      16 bit audio
179          */
180 
181         runtime->hw.channels_max = 2;
182         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
183                                            &constraints_channels);
184 
185         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
186         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
187 
188         snd_pcm_hw_constraint_list(runtime, 0,
189                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
190 
191         return 0;
192 }
193 
194 static const struct snd_soc_ops skylake_rt286_fe_ops = {
195         .startup = skl_fe_startup,
196 };
197 
198 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
199                         struct snd_pcm_hw_params *params)
200 {
201         struct snd_interval *rate = hw_param_interval(params,
202                         SNDRV_PCM_HW_PARAM_RATE);
203         struct snd_interval *channels = hw_param_interval(params,
204                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
205         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
206 
207         /* The output is 48KHz, stereo, 16bits */
208         rate->min = rate->max = 48000;
209         channels->min = channels->max = 2;
210 
211         /* set SSP0 to 24 bit */
212         snd_mask_none(fmt);
213         snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
214         return 0;
215 }
216 
217 static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
218         struct snd_pcm_hw_params *params)
219 {
220         struct snd_soc_pcm_runtime *rtd = substream->private_data;
221         struct snd_soc_dai *codec_dai = rtd->codec_dai;
222         int ret;
223 
224         ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
225                 SND_SOC_CLOCK_IN);
226         if (ret < 0)
227                 dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
228 
229         return ret;
230 }
231 
232 static struct snd_soc_ops skylake_rt286_ops = {
233         .hw_params = skylake_rt286_hw_params,
234 };
235 
236 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
237                                 struct snd_pcm_hw_params *params)
238 {
239         struct snd_interval *channels = hw_param_interval(params,
240                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
241         if (params_channels(params) == 2)
242                 channels->min = channels->max = 2;
243         else
244                 channels->min = channels->max = 4;
245 
246         return 0;
247 }
248 
249 static unsigned int channels_dmic[] = {
250         2, 4,
251 };
252 
253 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
254         .count = ARRAY_SIZE(channels_dmic),
255         .list = channels_dmic,
256         .mask = 0,
257 };
258 
259 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
260 {
261         struct snd_pcm_runtime *runtime = substream->runtime;
262 
263         runtime->hw.channels_max = 4;
264         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
265                                            &constraints_dmic_channels);
266 
267         return snd_pcm_hw_constraint_list(substream->runtime, 0,
268                         SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
269 }
270 
271 static struct snd_soc_ops skylake_dmic_ops = {
272         .startup = skylake_dmic_startup,
273 };
274 
275 /* skylake digital audio interface glue - connects codec <--> CPU */
276 static struct snd_soc_dai_link skylake_rt286_dais[] = {
277         /* Front End DAI links */
278         [SKL_DPCM_AUDIO_PB] = {
279                 .name = "Skl Audio Port",
280                 .stream_name = "Audio",
281                 .cpu_dai_name = "System Pin",
282                 .platform_name = "0000:00:1f.3",
283                 .nonatomic = 1,
284                 .dynamic = 1,
285                 .codec_name = "snd-soc-dummy",
286                 .codec_dai_name = "snd-soc-dummy-dai",
287                 .init = skylake_rt286_fe_init,
288                 .trigger = {
289                         SND_SOC_DPCM_TRIGGER_POST,
290                         SND_SOC_DPCM_TRIGGER_POST
291                 },
292                 .dpcm_playback = 1,
293                 .ops = &skylake_rt286_fe_ops,
294         },
295         [SKL_DPCM_AUDIO_CP] = {
296                 .name = "Skl Audio Capture Port",
297                 .stream_name = "Audio Record",
298                 .cpu_dai_name = "System Pin",
299                 .platform_name = "0000:00:1f.3",
300                 .nonatomic = 1,
301                 .dynamic = 1,
302                 .codec_name = "snd-soc-dummy",
303                 .codec_dai_name = "snd-soc-dummy-dai",
304                 .trigger = {
305                         SND_SOC_DPCM_TRIGGER_POST,
306                         SND_SOC_DPCM_TRIGGER_POST
307                 },
308                 .dpcm_capture = 1,
309                 .ops = &skylake_rt286_fe_ops,
310         },
311         [SKL_DPCM_AUDIO_REF_CP] = {
312                 .name = "Skl Audio Reference cap",
313                 .stream_name = "refcap",
314                 .cpu_dai_name = "Reference Pin",
315                 .codec_name = "snd-soc-dummy",
316                 .codec_dai_name = "snd-soc-dummy-dai",
317                 .platform_name = "0000:00:1f.3",
318                 .init = NULL,
319                 .dpcm_capture = 1,
320                 .ignore_suspend = 1,
321                 .nonatomic = 1,
322                 .dynamic = 1,
323         },
324         [SKL_DPCM_AUDIO_DMIC_CP] = {
325                 .name = "Skl Audio DMIC cap",
326                 .stream_name = "dmiccap",
327                 .cpu_dai_name = "DMIC Pin",
328                 .codec_name = "snd-soc-dummy",
329                 .codec_dai_name = "snd-soc-dummy-dai",
330                 .platform_name = "0000:00:1f.3",
331                 .init = NULL,
332                 .dpcm_capture = 1,
333                 .nonatomic = 1,
334                 .dynamic = 1,
335                 .ops = &skylake_dmic_ops,
336         },
337         [SKL_DPCM_AUDIO_HDMI1_PB] = {
338                 .name = "Skl HDMI Port1",
339                 .stream_name = "Hdmi1",
340                 .cpu_dai_name = "HDMI1 Pin",
341                 .codec_name = "snd-soc-dummy",
342                 .codec_dai_name = "snd-soc-dummy-dai",
343                 .platform_name = "0000:00:1f.3",
344                 .dpcm_playback = 1,
345                 .init = NULL,
346                 .nonatomic = 1,
347                 .dynamic = 1,
348         },
349         [SKL_DPCM_AUDIO_HDMI2_PB] = {
350                 .name = "Skl HDMI Port2",
351                 .stream_name = "Hdmi2",
352                 .cpu_dai_name = "HDMI2 Pin",
353                 .codec_name = "snd-soc-dummy",
354                 .codec_dai_name = "snd-soc-dummy-dai",
355                 .platform_name = "0000:00:1f.3",
356                 .dpcm_playback = 1,
357                 .init = NULL,
358                 .nonatomic = 1,
359                 .dynamic = 1,
360         },
361         [SKL_DPCM_AUDIO_HDMI3_PB] = {
362                 .name = "Skl HDMI Port3",
363                 .stream_name = "Hdmi3",
364                 .cpu_dai_name = "HDMI3 Pin",
365                 .codec_name = "snd-soc-dummy",
366                 .codec_dai_name = "snd-soc-dummy-dai",
367                 .platform_name = "0000:00:1f.3",
368                 .dpcm_playback = 1,
369                 .init = NULL,
370                 .nonatomic = 1,
371                 .dynamic = 1,
372         },
373 
374         /* Back End DAI links */
375         {
376                 /* SSP0 - Codec */
377                 .name = "SSP0-Codec",
378                 .be_id = 0,
379                 .cpu_dai_name = "SSP0 Pin",
380                 .platform_name = "0000:00:1f.3",
381                 .no_pcm = 1,
382                 .codec_name = "i2c-INT343A:00",
383                 .codec_dai_name = "rt286-aif1",
384                 .init = skylake_rt286_codec_init,
385                 .dai_fmt = SND_SOC_DAIFMT_I2S |
386                         SND_SOC_DAIFMT_NB_NF |
387                         SND_SOC_DAIFMT_CBS_CFS,
388                 .ignore_pmdown_time = 1,
389                 .be_hw_params_fixup = skylake_ssp0_fixup,
390                 .ops = &skylake_rt286_ops,
391                 .dpcm_playback = 1,
392                 .dpcm_capture = 1,
393         },
394         {
395                 .name = "dmic01",
396                 .be_id = 1,
397                 .cpu_dai_name = "DMIC01 Pin",
398                 .codec_name = "dmic-codec",
399                 .codec_dai_name = "dmic-hifi",
400                 .platform_name = "0000:00:1f.3",
401                 .be_hw_params_fixup = skylake_dmic_fixup,
402                 .ignore_suspend = 1,
403                 .dpcm_capture = 1,
404                 .no_pcm = 1,
405         },
406         {
407                 .name = "iDisp1",
408                 .be_id = 2,
409                 .cpu_dai_name = "iDisp1 Pin",
410                 .codec_name = "ehdaudio0D2",
411                 .codec_dai_name = "intel-hdmi-hifi1",
412                 .platform_name = "0000:00:1f.3",
413                 .init = skylake_hdmi_init,
414                 .dpcm_playback = 1,
415                 .no_pcm = 1,
416         },
417         {
418                 .name = "iDisp2",
419                 .be_id = 3,
420                 .cpu_dai_name = "iDisp2 Pin",
421                 .codec_name = "ehdaudio0D2",
422                 .codec_dai_name = "intel-hdmi-hifi2",
423                 .platform_name = "0000:00:1f.3",
424                 .init = skylake_hdmi_init,
425                 .dpcm_playback = 1,
426                 .no_pcm = 1,
427         },
428         {
429                 .name = "iDisp3",
430                 .be_id = 4,
431                 .cpu_dai_name = "iDisp3 Pin",
432                 .codec_name = "ehdaudio0D2",
433                 .codec_dai_name = "intel-hdmi-hifi3",
434                 .platform_name = "0000:00:1f.3",
435                 .init = skylake_hdmi_init,
436                 .dpcm_playback = 1,
437                 .no_pcm = 1,
438         },
439 };
440 
441 /* skylake audio machine driver for SPT + RT286S */
442 static struct snd_soc_card skylake_rt286 = {
443         .name = "skylake-rt286",
444         .owner = THIS_MODULE,
445         .dai_link = skylake_rt286_dais,
446         .num_links = ARRAY_SIZE(skylake_rt286_dais),
447         .controls = skylake_controls,
448         .num_controls = ARRAY_SIZE(skylake_controls),
449         .dapm_widgets = skylake_widgets,
450         .num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
451         .dapm_routes = skylake_rt286_map,
452         .num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
453         .fully_routed = true,
454 };
455 
456 static int skylake_audio_probe(struct platform_device *pdev)
457 {
458         skylake_rt286.dev = &pdev->dev;
459 
460         return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
461 }
462 
463 static struct platform_driver skylake_audio = {
464         .probe = skylake_audio_probe,
465         .driver = {
466                 .name = "skl_alc286s_i2s",
467                 .pm = &snd_soc_pm_ops,
468         },
469 };
470 
471 module_platform_driver(skylake_audio)
472 
473 /* Module information */
474 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
475 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
476 MODULE_LICENSE("GPL v2");
477 MODULE_ALIAS("platform:skl_alc286s_i2s");
478 

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