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
skylake_rt286_fe_init(struct snd_soc_pcm_runtime * rtd)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
skylake_rt286_codec_init(struct snd_soc_pcm_runtime * rtd)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
skylake_hdmi_init(struct snd_soc_pcm_runtime * rtd)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
skl_fe_startup(struct snd_pcm_substream * substream)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
skylake_ssp0_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)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
skylake_rt286_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)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
skylake_dmic_fixup(struct snd_soc_pcm_runtime * rtd,struct snd_pcm_hw_params * params)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
skylake_dmic_startup(struct snd_pcm_substream * substream)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
skylake_card_late_probe(struct snd_soc_card * card)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
skylake_audio_probe(struct platform_device * pdev)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 MODULE_DEVICE_TABLE(platform, skl_board_ids);
552
553 static struct platform_driver skylake_audio = {
554 .probe = skylake_audio_probe,
555 .driver = {
556 .name = "skl_alc286s_i2s",
557 .pm = &snd_soc_pm_ops,
558 },
559 .id_table = skl_board_ids,
560
561 };
562
563 module_platform_driver(skylake_audio)
564
565 /* Module information */
566 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
567 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
568 MODULE_LICENSE("GPL v2");
569