summaryrefslogtreecommitdiff
path: root/sound/soc/intel/boards/skl_rt286.c
blob: 4f3d655e2bfa8dd79d6952bee9ed73ea638de2be (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
// SPDX-License-Identifier: GPL-2.0-only
/*
 * Intel Skylake I2S Machine Driver
 *
 * Copyright (C) 2014-2015, Intel Corporation. All rights reserved.
 *
 * Modified from:
 *   Intel Broadwell Wildcatpoint SST Audio
 *
 *   Copyright (C) 2013, Intel Corporation. All rights reserved.
 */

#include <linux/module.h>
#include <linux/platform_device.h>
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/soc.h>
#include <sound/jack.h>
#include <sound/pcm_params.h>
#include "../../codecs/rt286.h"
#include "../../codecs/hdac_hdmi.h"

static struct snd_soc_jack skylake_headset;
static struct snd_soc_jack skylake_hdmi[3];

struct skl_hdmi_pcm {
	struct list_head head;
	struct snd_soc_dai *codec_dai;
	int device;
};

struct skl_rt286_private {
	struct list_head hdmi_pcm_list;
};

enum {
	SKL_DPCM_AUDIO_PB = 0,
	SKL_DPCM_AUDIO_DB_PB,
	SKL_DPCM_AUDIO_CP,
	SKL_DPCM_AUDIO_REF_CP,
	SKL_DPCM_AUDIO_DMIC_CP,
	SKL_DPCM_AUDIO_HDMI1_PB,
	SKL_DPCM_AUDIO_HDMI2_PB,
	SKL_DPCM_AUDIO_HDMI3_PB,
};

/* Headset jack detection DAPM pins */
static struct snd_soc_jack_pin skylake_headset_pins[] = {
	{
		.pin = "Mic Jack",
		.mask = SND_JACK_MICROPHONE,
	},
	{
		.pin = "Headphone Jack",
		.mask = SND_JACK_HEADPHONE,
	},
};

static const struct snd_kcontrol_new skylake_controls[] = {
	SOC_DAPM_PIN_SWITCH("Speaker"),
	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
	SOC_DAPM_PIN_SWITCH("Mic Jack"),
};

static const struct snd_soc_dapm_widget skylake_widgets[] = {
	SND_SOC_DAPM_HP("Headphone Jack", NULL),
	SND_SOC_DAPM_SPK("Speaker", NULL),
	SND_SOC_DAPM_MIC("Mic Jack", NULL),
	SND_SOC_DAPM_MIC("DMIC2", NULL),
	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
	SND_SOC_DAPM_SPK("HDMI1", NULL),
	SND_SOC_DAPM_SPK("HDMI2", NULL),
	SND_SOC_DAPM_SPK("HDMI3", NULL),
};

static const struct snd_soc_dapm_route skylake_rt286_map[] = {
	/* speaker */
	{"Speaker", NULL, "SPOR"},
	{"Speaker", NULL, "SPOL"},

	/* HP jack connectors - unknown if we have jack deteck */
	{"Headphone Jack", NULL, "HPO Pin"},

	/* other jacks */
	{"MIC1", NULL, "Mic Jack"},

	/* digital mics */
	{"DMIC1 Pin", NULL, "DMIC2"},
	{"DMic", NULL, "SoC DMIC"},

	/* CODEC BE connections */
	{ "AIF1 Playback", NULL, "ssp0 Tx"},
	{ "ssp0 Tx", NULL, "codec0_out"},
	{ "ssp0 Tx", NULL, "codec1_out"},

	{ "codec0_in", NULL, "ssp0 Rx" },
	{ "codec1_in", NULL, "ssp0 Rx" },
	{ "ssp0 Rx", NULL, "AIF1 Capture" },

	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
	{ "DMIC01 Rx", NULL, "DMIC AIF" },

	{ "hifi3", NULL, "iDisp3 Tx"},
	{ "iDisp3 Tx", NULL, "iDisp3_out"},
	{ "hifi2", NULL, "iDisp2 Tx"},
	{ "iDisp2 Tx", NULL, "iDisp2_out"},
	{ "hifi1", NULL, "iDisp1 Tx"},
	{ "iDisp1 Tx", NULL, "iDisp1_out"},

};

static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_dapm_context *dapm;
	struct snd_soc_component *component = asoc_rtd_to_cpu(rtd, 0)->component;

	dapm = snd_soc_component_get_dapm(component);
	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");

	return 0;
}

static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
{
	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
	int ret;

	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset",
		SND_JACK_HEADSET | SND_JACK_BTN_0,
		&skylake_headset,
		skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));

	if (ret)
		return ret;

	snd_soc_component_set_jack(component, &skylake_headset, NULL);

	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");

	return 0;
}

static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
{
	struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
	struct skl_hdmi_pcm *pcm;

	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
	if (!pcm)
		return -ENOMEM;

	pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
	pcm->codec_dai = dai;

	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);

	return 0;
}

static const unsigned int rates[] = {
	48000,
};

static const struct snd_pcm_hw_constraint_list constraints_rates = {
	.count = ARRAY_SIZE(rates),
	.list  = rates,
	.mask = 0,
};

static const unsigned int channels[] = {
	2,
};

static const struct snd_pcm_hw_constraint_list constraints_channels = {
	.count = ARRAY_SIZE(channels),
	.list = channels,
	.mask = 0,
};

static int skl_fe_startup(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;

	/*
	 * on this platform for PCM device we support,
	 *	48Khz
	 *	stereo
	 *	16 bit audio
	 */

	runtime->hw.channels_max = 2;
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
					   &constraints_channels);

	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);

	snd_pcm_hw_constraint_list(runtime, 0,
				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);

	return 0;
}

static const struct snd_soc_ops skylake_rt286_fe_ops = {
	.startup = skl_fe_startup,
};

static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
			struct snd_pcm_hw_params *params)
{
	struct snd_interval *rate = hw_param_interval(params,
			SNDRV_PCM_HW_PARAM_RATE);
	struct snd_interval *chan = hw_param_interval(params,
						SNDRV_PCM_HW_PARAM_CHANNELS);
	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);

	/* The output is 48KHz, stereo, 16bits */
	rate->min = rate->max = 48000;
	chan->min = chan->max = 2;

	/* set SSP0 to 24 bit */
	snd_mask_none(fmt);
	snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
	return 0;
}

static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
	struct snd_pcm_hw_params *params)
{
	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
	int ret;

	ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
		SND_SOC_CLOCK_IN);
	if (ret < 0)
		dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);

	return ret;
}

static const struct snd_soc_ops skylake_rt286_ops = {
	.hw_params = skylake_rt286_hw_params,
};

static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
				struct snd_pcm_hw_params *params)
{
	struct snd_interval *chan = hw_param_interval(params,
						SNDRV_PCM_HW_PARAM_CHANNELS);
	if (params_channels(params) == 2)
		chan->min = chan->max = 2;
	else
		chan->min = chan->max = 4;

	return 0;
}

static const unsigned int channels_dmic[] = {
	2, 4,
};

static const struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
	.count = ARRAY_SIZE(channels_dmic),
	.list = channels_dmic,
	.mask = 0,
};

static int skylake_dmic_startup(struct snd_pcm_substream *substream)
{
	struct snd_pcm_runtime *runtime = substream->runtime;

	runtime->hw.channels_max = 4;
	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
					   &constraints_dmic_channels);

	return snd_pcm_hw_constraint_list(substream->runtime, 0,
			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
}

static const struct snd_soc_ops skylake_dmic_ops = {
	.startup = skylake_dmic_startup,
};

SND_SOC_DAILINK_DEF(dummy,
	DAILINK_COMP_ARRAY(COMP_DUMMY()));

SND_SOC_DAILINK_DEF(system,
	DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));

SND_SOC_DAILINK_DEF(deepbuffer,
	DAILINK_COMP_ARRAY(COMP_CPU("Deepbuffer Pin")));

SND_SOC_DAILINK_DEF(reference,
	DAILINK_COMP_ARRAY(COMP_CPU("Reference Pin")));

SND_SOC_DAILINK_DEF(dmic,
	DAILINK_COMP_ARRAY(COMP_CPU("DMIC Pin")));

SND_SOC_DAILINK_DEF(hdmi1,
	DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));

SND_SOC_DAILINK_DEF(hdmi2,
	DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));

SND_SOC_DAILINK_DEF(hdmi3,
	DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));

SND_SOC_DAILINK_DEF(ssp0_pin,
	DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
SND_SOC_DAILINK_DEF(ssp0_codec,
	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-INT343A:00", "rt286-aif1")));

SND_SOC_DAILINK_DEF(dmic01_pin,
	DAILINK_COMP_ARRAY(COMP_CPU("DMIC01 Pin")));
SND_SOC_DAILINK_DEF(dmic_codec,
	DAILINK_COMP_ARRAY(COMP_CODEC("dmic-codec", "dmic-hifi")));

SND_SOC_DAILINK_DEF(idisp1_pin,
	DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
SND_SOC_DAILINK_DEF(idisp1_codec,
	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));

SND_SOC_DAILINK_DEF(idisp2_pin,
	DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
SND_SOC_DAILINK_DEF(idisp2_codec,
	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));

SND_SOC_DAILINK_DEF(idisp3_pin,
	DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
SND_SOC_DAILINK_DEF(idisp3_codec,
	DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));

SND_SOC_DAILINK_DEF(platform,
	DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));

/* skylake digital audio interface glue - connects codec <--> CPU */
static struct snd_soc_dai_link skylake_rt286_dais[] = {
	/* Front End DAI links */
	[SKL_DPCM_AUDIO_PB] = {
		.name = "Skl Audio Port",
		.stream_name = "Audio",
		.nonatomic = 1,
		.dynamic = 1,
		.init = skylake_rt286_fe_init,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST,
			SND_SOC_DPCM_TRIGGER_POST
		},
		.dpcm_playback = 1,
		.ops = &skylake_rt286_fe_ops,
		SND_SOC_DAILINK_REG(system, dummy, platform),
	},
	[SKL_DPCM_AUDIO_DB_PB] = {
		.name = "Skl Deepbuffer Port",
		.stream_name = "Deep Buffer Audio",
		.nonatomic = 1,
		.dynamic = 1,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST,
			SND_SOC_DPCM_TRIGGER_POST
		},
		.dpcm_playback = 1,
		.ops = &skylake_rt286_fe_ops,
		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
	},
	[SKL_DPCM_AUDIO_CP] = {
		.name = "Skl Audio Capture Port",
		.stream_name = "Audio Record",
		.nonatomic = 1,
		.dynamic = 1,
		.trigger = {
			SND_SOC_DPCM_TRIGGER_POST,
			SND_SOC_DPCM_TRIGGER_POST
		},
		.dpcm_capture = 1,
		.ops = &skylake_rt286_fe_ops,
		SND_SOC_DAILINK_REG(system, dummy, platform),
	},
	[SKL_DPCM_AUDIO_REF_CP] = {
		.name = "Skl Audio Reference cap",
		.stream_name = "refcap",
		.init = NULL,
		.dpcm_capture = 1,
		.nonatomic = 1,
		.dynamic = 1,
		SND_SOC_DAILINK_REG(reference, dummy, platform),
	},
	[SKL_DPCM_AUDIO_DMIC_CP] = {
		.name = "Skl Audio DMIC cap",
		.stream_name = "dmiccap",
		.init = NULL,
		.dpcm_capture = 1,
		.nonatomic = 1,
		.dynamic = 1,
		.ops = &skylake_dmic_ops,
		SND_SOC_DAILINK_REG(dmic, dummy, platform),
	},
	[SKL_DPCM_AUDIO_HDMI1_PB] = {
		.name = "Skl HDMI Port1",
		.stream_name = "Hdmi1",
		.dpcm_playback = 1,
		.init = NULL,
		.nonatomic = 1,
		.dynamic = 1,
		SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
	},
	[SKL_DPCM_AUDIO_HDMI2_PB] = {
		.name = "Skl HDMI Port2",
		.stream_name = "Hdmi2",
		.dpcm_playback = 1,
		.init = NULL,
		.nonatomic = 1,
		.dynamic = 1,
		SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
	},
	[SKL_DPCM_AUDIO_HDMI3_PB] = {
		.name = "Skl HDMI Port3",
		.stream_name = "Hdmi3",
		.dpcm_playback = 1,
		.init = NULL,
		.nonatomic = 1,
		.dynamic = 1,
		SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
	},

	/* Back End DAI links */
	{
		/* SSP0 - Codec */
		.name = "SSP0-Codec",
		.id = 0,
		.no_pcm = 1,
		.init = skylake_rt286_codec_init,
		.dai_fmt = SND_SOC_DAIFMT_I2S |
			SND_SOC_DAIFMT_NB_NF |
			SND_SOC_DAIFMT_CBC_CFC,
		.ignore_pmdown_time = 1,
		.be_hw_params_fixup = skylake_ssp0_fixup,
		.ops = &skylake_rt286_ops,
		.dpcm_playback = 1,
		.dpcm_capture = 1,
		SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
	},
	{
		.name = "dmic01",
		.id = 1,
		.be_hw_params_fixup = skylake_dmic_fixup,
		.ignore_suspend = 1,
		.dpcm_capture = 1,
		.no_pcm = 1,
		SND_SOC_DAILINK_REG(dmic01_pin, dmic_codec, platform),
	},
	{
		.name = "iDisp1",
		.id = 2,
		.init = skylake_hdmi_init,
		.dpcm_playback = 1,
		.no_pcm = 1,
		SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
	},
	{
		.name = "iDisp2",
		.id = 3,
		.init = skylake_hdmi_init,
		.dpcm_playback = 1,
		.no_pcm = 1,
		SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
	},
	{
		.name = "iDisp3",
		.id = 4,
		.init = skylake_hdmi_init,
		.dpcm_playback = 1,
		.no_pcm = 1,
		SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
	},
};

#define NAME_SIZE	32
static int skylake_card_late_probe(struct snd_soc_card *card)
{
	struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
	struct skl_hdmi_pcm *pcm;
	struct snd_soc_component *component = NULL;
	int err, i = 0;
	char jack_name[NAME_SIZE];

	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
		component = pcm->codec_dai->component;
		snprintf(jack_name, sizeof(jack_name),
			"HDMI/DP, pcm=%d Jack", pcm->device);
		err = snd_soc_card_jack_new(card, jack_name,
					SND_JACK_AVOUT, &skylake_hdmi[i]);

		if (err)
			return err;

		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
						&skylake_hdmi[i]);
		if (err < 0)
			return err;

		i++;
	}

	if (!component)
		return -EINVAL;

	return hdac_hdmi_jack_port_init(component, &card->dapm);
}

/* skylake audio machine driver for SPT + RT286S */
static struct snd_soc_card skylake_rt286 = {
	.name = "skylake-rt286",
	.owner = THIS_MODULE,
	.dai_link = skylake_rt286_dais,
	.num_links = ARRAY_SIZE(skylake_rt286_dais),
	.controls = skylake_controls,
	.num_controls = ARRAY_SIZE(skylake_controls),
	.dapm_widgets = skylake_widgets,
	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
	.dapm_routes = skylake_rt286_map,
	.num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
	.fully_routed = true,
	.late_probe = skylake_card_late_probe,
};

static int skylake_audio_probe(struct platform_device *pdev)
{
	struct skl_rt286_private *ctx;

	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
	if (!ctx)
		return -ENOMEM;

	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);

	skylake_rt286.dev = &pdev->dev;
	snd_soc_card_set_drvdata(&skylake_rt286, ctx);

	return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
}

static const struct platform_device_id skl_board_ids[] = {
	{ .name = "skl_alc286s_i2s" },
	{ .name = "kbl_alc286s_i2s" },
	{ }
};
MODULE_DEVICE_TABLE(platform, skl_board_ids);

static struct platform_driver skylake_audio = {
	.probe = skylake_audio_probe,
	.driver = {
		.name = "skl_alc286s_i2s",
		.pm = &snd_soc_pm_ops,
	},
	.id_table = skl_board_ids,

};

module_platform_driver(skylake_audio)

/* Module information */
MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
MODULE_DESCRIPTION("Intel SST Audio for Skylake");
MODULE_LICENSE("GPL v2");