xref: /openbmc/linux/sound/soc/intel/boards/skl_rt286.c (revision 82003e04)
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 struct skl_hdmi_pcm {
34 	struct list_head head;
35 	struct snd_soc_dai *codec_dai;
36 	int device;
37 };
38 
39 struct skl_rt286_private {
40 	struct list_head hdmi_pcm_list;
41 };
42 
43 enum {
44 	SKL_DPCM_AUDIO_PB = 0,
45 	SKL_DPCM_AUDIO_CP,
46 	SKL_DPCM_AUDIO_REF_CP,
47 	SKL_DPCM_AUDIO_DMIC_CP,
48 	SKL_DPCM_AUDIO_HDMI1_PB,
49 	SKL_DPCM_AUDIO_HDMI2_PB,
50 	SKL_DPCM_AUDIO_HDMI3_PB,
51 };
52 
53 /* Headset jack detection DAPM pins */
54 static struct snd_soc_jack_pin skylake_headset_pins[] = {
55 	{
56 		.pin = "Mic Jack",
57 		.mask = SND_JACK_MICROPHONE,
58 	},
59 	{
60 		.pin = "Headphone Jack",
61 		.mask = SND_JACK_HEADPHONE,
62 	},
63 };
64 
65 static const struct snd_kcontrol_new skylake_controls[] = {
66 	SOC_DAPM_PIN_SWITCH("Speaker"),
67 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
68 	SOC_DAPM_PIN_SWITCH("Mic Jack"),
69 };
70 
71 static const struct snd_soc_dapm_widget skylake_widgets[] = {
72 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
73 	SND_SOC_DAPM_SPK("Speaker", NULL),
74 	SND_SOC_DAPM_MIC("Mic Jack", NULL),
75 	SND_SOC_DAPM_MIC("DMIC2", NULL),
76 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
77 	SND_SOC_DAPM_SPK("HDMI1", NULL),
78 	SND_SOC_DAPM_SPK("HDMI2", NULL),
79 	SND_SOC_DAPM_SPK("HDMI3", NULL),
80 };
81 
82 static const struct snd_soc_dapm_route skylake_rt286_map[] = {
83 	/* speaker */
84 	{"Speaker", NULL, "SPOR"},
85 	{"Speaker", NULL, "SPOL"},
86 
87 	/* HP jack connectors - unknown if we have jack deteck */
88 	{"Headphone Jack", NULL, "HPO Pin"},
89 
90 	/* other jacks */
91 	{"MIC1", NULL, "Mic Jack"},
92 
93 	/* digital mics */
94 	{"DMIC1 Pin", NULL, "DMIC2"},
95 	{"DMic", NULL, "SoC DMIC"},
96 
97 	{"HDMI1", NULL, "hif5 Output"},
98 	{"HDMI2", NULL, "hif6 Output"},
99 	{"HDMI3", NULL, "hif7 Output"},
100 
101 	/* CODEC BE connections */
102 	{ "AIF1 Playback", NULL, "ssp0 Tx"},
103 	{ "ssp0 Tx", NULL, "codec0_out"},
104 	{ "ssp0 Tx", NULL, "codec1_out"},
105 
106 	{ "codec0_in", NULL, "ssp0 Rx" },
107 	{ "codec1_in", NULL, "ssp0 Rx" },
108 	{ "ssp0 Rx", NULL, "AIF1 Capture" },
109 
110 	{ "dmic01_hifi", NULL, "DMIC01 Rx" },
111 	{ "DMIC01 Rx", NULL, "DMIC AIF" },
112 
113 	{ "hifi3", NULL, "iDisp3 Tx"},
114 	{ "iDisp3 Tx", NULL, "iDisp3_out"},
115 	{ "hifi2", NULL, "iDisp2 Tx"},
116 	{ "iDisp2 Tx", NULL, "iDisp2_out"},
117 	{ "hifi1", NULL, "iDisp1 Tx"},
118 	{ "iDisp1 Tx", NULL, "iDisp1_out"},
119 
120 };
121 
122 static int skylake_rt286_fe_init(struct snd_soc_pcm_runtime *rtd)
123 {
124 	struct snd_soc_dapm_context *dapm;
125 	struct snd_soc_component *component = rtd->cpu_dai->component;
126 
127 	dapm = snd_soc_component_get_dapm(component);
128 	snd_soc_dapm_ignore_suspend(dapm, "Reference Capture");
129 
130 	return 0;
131 }
132 
133 static int skylake_rt286_codec_init(struct snd_soc_pcm_runtime *rtd)
134 {
135 	struct snd_soc_codec *codec = rtd->codec;
136 	int ret;
137 
138 	ret = snd_soc_card_jack_new(rtd->card, "Headset",
139 		SND_JACK_HEADSET | SND_JACK_BTN_0,
140 		&skylake_headset,
141 		skylake_headset_pins, ARRAY_SIZE(skylake_headset_pins));
142 
143 	if (ret)
144 		return ret;
145 
146 	rt286_mic_detect(codec, &skylake_headset);
147 
148 	snd_soc_dapm_ignore_suspend(&rtd->card->dapm, "SoC DMIC");
149 
150 	return 0;
151 }
152 
153 static int skylake_hdmi_init(struct snd_soc_pcm_runtime *rtd)
154 {
155 	struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(rtd->card);
156 	struct snd_soc_dai *dai = rtd->codec_dai;
157 	struct skl_hdmi_pcm *pcm;
158 
159 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
160 	if (!pcm)
161 		return -ENOMEM;
162 
163 	pcm->device = SKL_DPCM_AUDIO_HDMI1_PB + dai->id;
164 	pcm->codec_dai = dai;
165 
166 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
167 
168 	return 0;
169 }
170 
171 static unsigned int rates[] = {
172 	48000,
173 };
174 
175 static struct snd_pcm_hw_constraint_list constraints_rates = {
176 	.count = ARRAY_SIZE(rates),
177 	.list  = rates,
178 	.mask = 0,
179 };
180 
181 static unsigned int channels[] = {
182 	2,
183 };
184 
185 static struct snd_pcm_hw_constraint_list constraints_channels = {
186 	.count = ARRAY_SIZE(channels),
187 	.list = channels,
188 	.mask = 0,
189 };
190 
191 static int skl_fe_startup(struct snd_pcm_substream *substream)
192 {
193 	struct snd_pcm_runtime *runtime = substream->runtime;
194 
195 	/*
196 	 * on this platform for PCM device we support,
197 	 *	48Khz
198 	 *	stereo
199 	 *	16 bit audio
200 	 */
201 
202 	runtime->hw.channels_max = 2;
203 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
204 					   &constraints_channels);
205 
206 	runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
207 	snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
208 
209 	snd_pcm_hw_constraint_list(runtime, 0,
210 				SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
211 
212 	return 0;
213 }
214 
215 static const struct snd_soc_ops skylake_rt286_fe_ops = {
216 	.startup = skl_fe_startup,
217 };
218 
219 static int skylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
220 			struct snd_pcm_hw_params *params)
221 {
222 	struct snd_interval *rate = hw_param_interval(params,
223 			SNDRV_PCM_HW_PARAM_RATE);
224 	struct snd_interval *channels = hw_param_interval(params,
225 						SNDRV_PCM_HW_PARAM_CHANNELS);
226 	struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
227 
228 	/* The output is 48KHz, stereo, 16bits */
229 	rate->min = rate->max = 48000;
230 	channels->min = channels->max = 2;
231 
232 	/* set SSP0 to 24 bit */
233 	snd_mask_none(fmt);
234 	snd_mask_set(fmt, SNDRV_PCM_FORMAT_S24_LE);
235 	return 0;
236 }
237 
238 static int skylake_rt286_hw_params(struct snd_pcm_substream *substream,
239 	struct snd_pcm_hw_params *params)
240 {
241 	struct snd_soc_pcm_runtime *rtd = substream->private_data;
242 	struct snd_soc_dai *codec_dai = rtd->codec_dai;
243 	int ret;
244 
245 	ret = snd_soc_dai_set_sysclk(codec_dai, RT286_SCLK_S_PLL, 24000000,
246 		SND_SOC_CLOCK_IN);
247 	if (ret < 0)
248 		dev_err(rtd->dev, "set codec sysclk failed: %d\n", ret);
249 
250 	return ret;
251 }
252 
253 static struct snd_soc_ops skylake_rt286_ops = {
254 	.hw_params = skylake_rt286_hw_params,
255 };
256 
257 static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
258 				struct snd_pcm_hw_params *params)
259 {
260 	struct snd_interval *channels = hw_param_interval(params,
261 						SNDRV_PCM_HW_PARAM_CHANNELS);
262 	if (params_channels(params) == 2)
263 		channels->min = channels->max = 2;
264 	else
265 		channels->min = channels->max = 4;
266 
267 	return 0;
268 }
269 
270 static unsigned int channels_dmic[] = {
271 	2, 4,
272 };
273 
274 static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
275 	.count = ARRAY_SIZE(channels_dmic),
276 	.list = channels_dmic,
277 	.mask = 0,
278 };
279 
280 static int skylake_dmic_startup(struct snd_pcm_substream *substream)
281 {
282 	struct snd_pcm_runtime *runtime = substream->runtime;
283 
284 	runtime->hw.channels_max = 4;
285 	snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
286 					   &constraints_dmic_channels);
287 
288 	return snd_pcm_hw_constraint_list(substream->runtime, 0,
289 			SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
290 }
291 
292 static struct snd_soc_ops skylake_dmic_ops = {
293 	.startup = skylake_dmic_startup,
294 };
295 
296 /* skylake digital audio interface glue - connects codec <--> CPU */
297 static struct snd_soc_dai_link skylake_rt286_dais[] = {
298 	/* Front End DAI links */
299 	[SKL_DPCM_AUDIO_PB] = {
300 		.name = "Skl Audio Port",
301 		.stream_name = "Audio",
302 		.cpu_dai_name = "System Pin",
303 		.platform_name = "0000:00:1f.3",
304 		.nonatomic = 1,
305 		.dynamic = 1,
306 		.codec_name = "snd-soc-dummy",
307 		.codec_dai_name = "snd-soc-dummy-dai",
308 		.init = skylake_rt286_fe_init,
309 		.trigger = {
310 			SND_SOC_DPCM_TRIGGER_POST,
311 			SND_SOC_DPCM_TRIGGER_POST
312 		},
313 		.dpcm_playback = 1,
314 		.ops = &skylake_rt286_fe_ops,
315 	},
316 	[SKL_DPCM_AUDIO_CP] = {
317 		.name = "Skl Audio Capture Port",
318 		.stream_name = "Audio Record",
319 		.cpu_dai_name = "System Pin",
320 		.platform_name = "0000:00:1f.3",
321 		.nonatomic = 1,
322 		.dynamic = 1,
323 		.codec_name = "snd-soc-dummy",
324 		.codec_dai_name = "snd-soc-dummy-dai",
325 		.trigger = {
326 			SND_SOC_DPCM_TRIGGER_POST,
327 			SND_SOC_DPCM_TRIGGER_POST
328 		},
329 		.dpcm_capture = 1,
330 		.ops = &skylake_rt286_fe_ops,
331 	},
332 	[SKL_DPCM_AUDIO_REF_CP] = {
333 		.name = "Skl Audio Reference cap",
334 		.stream_name = "refcap",
335 		.cpu_dai_name = "Reference Pin",
336 		.codec_name = "snd-soc-dummy",
337 		.codec_dai_name = "snd-soc-dummy-dai",
338 		.platform_name = "0000:00:1f.3",
339 		.init = NULL,
340 		.dpcm_capture = 1,
341 		.nonatomic = 1,
342 		.dynamic = 1,
343 	},
344 	[SKL_DPCM_AUDIO_DMIC_CP] = {
345 		.name = "Skl Audio DMIC cap",
346 		.stream_name = "dmiccap",
347 		.cpu_dai_name = "DMIC Pin",
348 		.codec_name = "snd-soc-dummy",
349 		.codec_dai_name = "snd-soc-dummy-dai",
350 		.platform_name = "0000:00:1f.3",
351 		.init = NULL,
352 		.dpcm_capture = 1,
353 		.nonatomic = 1,
354 		.dynamic = 1,
355 		.ops = &skylake_dmic_ops,
356 	},
357 	[SKL_DPCM_AUDIO_HDMI1_PB] = {
358 		.name = "Skl HDMI Port1",
359 		.stream_name = "Hdmi1",
360 		.cpu_dai_name = "HDMI1 Pin",
361 		.codec_name = "snd-soc-dummy",
362 		.codec_dai_name = "snd-soc-dummy-dai",
363 		.platform_name = "0000:00:1f.3",
364 		.dpcm_playback = 1,
365 		.init = NULL,
366 		.nonatomic = 1,
367 		.dynamic = 1,
368 	},
369 	[SKL_DPCM_AUDIO_HDMI2_PB] = {
370 		.name = "Skl HDMI Port2",
371 		.stream_name = "Hdmi2",
372 		.cpu_dai_name = "HDMI2 Pin",
373 		.codec_name = "snd-soc-dummy",
374 		.codec_dai_name = "snd-soc-dummy-dai",
375 		.platform_name = "0000:00:1f.3",
376 		.dpcm_playback = 1,
377 		.init = NULL,
378 		.nonatomic = 1,
379 		.dynamic = 1,
380 	},
381 	[SKL_DPCM_AUDIO_HDMI3_PB] = {
382 		.name = "Skl HDMI Port3",
383 		.stream_name = "Hdmi3",
384 		.cpu_dai_name = "HDMI3 Pin",
385 		.codec_name = "snd-soc-dummy",
386 		.codec_dai_name = "snd-soc-dummy-dai",
387 		.platform_name = "0000:00:1f.3",
388 		.dpcm_playback = 1,
389 		.init = NULL,
390 		.nonatomic = 1,
391 		.dynamic = 1,
392 	},
393 
394 	/* Back End DAI links */
395 	{
396 		/* SSP0 - Codec */
397 		.name = "SSP0-Codec",
398 		.id = 0,
399 		.cpu_dai_name = "SSP0 Pin",
400 		.platform_name = "0000:00:1f.3",
401 		.no_pcm = 1,
402 		.codec_name = "i2c-INT343A:00",
403 		.codec_dai_name = "rt286-aif1",
404 		.init = skylake_rt286_codec_init,
405 		.dai_fmt = SND_SOC_DAIFMT_I2S |
406 			SND_SOC_DAIFMT_NB_NF |
407 			SND_SOC_DAIFMT_CBS_CFS,
408 		.ignore_pmdown_time = 1,
409 		.be_hw_params_fixup = skylake_ssp0_fixup,
410 		.ops = &skylake_rt286_ops,
411 		.dpcm_playback = 1,
412 		.dpcm_capture = 1,
413 	},
414 	{
415 		.name = "dmic01",
416 		.id = 1,
417 		.cpu_dai_name = "DMIC01 Pin",
418 		.codec_name = "dmic-codec",
419 		.codec_dai_name = "dmic-hifi",
420 		.platform_name = "0000:00:1f.3",
421 		.be_hw_params_fixup = skylake_dmic_fixup,
422 		.ignore_suspend = 1,
423 		.dpcm_capture = 1,
424 		.no_pcm = 1,
425 	},
426 	{
427 		.name = "iDisp1",
428 		.id = 2,
429 		.cpu_dai_name = "iDisp1 Pin",
430 		.codec_name = "ehdaudio0D2",
431 		.codec_dai_name = "intel-hdmi-hifi1",
432 		.platform_name = "0000:00:1f.3",
433 		.init = skylake_hdmi_init,
434 		.dpcm_playback = 1,
435 		.no_pcm = 1,
436 	},
437 	{
438 		.name = "iDisp2",
439 		.id = 3,
440 		.cpu_dai_name = "iDisp2 Pin",
441 		.codec_name = "ehdaudio0D2",
442 		.codec_dai_name = "intel-hdmi-hifi2",
443 		.platform_name = "0000:00:1f.3",
444 		.init = skylake_hdmi_init,
445 		.dpcm_playback = 1,
446 		.no_pcm = 1,
447 	},
448 	{
449 		.name = "iDisp3",
450 		.id = 4,
451 		.cpu_dai_name = "iDisp3 Pin",
452 		.codec_name = "ehdaudio0D2",
453 		.codec_dai_name = "intel-hdmi-hifi3",
454 		.platform_name = "0000:00:1f.3",
455 		.init = skylake_hdmi_init,
456 		.dpcm_playback = 1,
457 		.no_pcm = 1,
458 	},
459 };
460 
461 static int skylake_card_late_probe(struct snd_soc_card *card)
462 {
463 	struct skl_rt286_private *ctx = snd_soc_card_get_drvdata(card);
464 	struct skl_hdmi_pcm *pcm;
465 	int err;
466 
467 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
468 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device);
469 		if (err < 0)
470 			return err;
471 	}
472 
473 	return 0;
474 }
475 
476 /* skylake audio machine driver for SPT + RT286S */
477 static struct snd_soc_card skylake_rt286 = {
478 	.name = "skylake-rt286",
479 	.owner = THIS_MODULE,
480 	.dai_link = skylake_rt286_dais,
481 	.num_links = ARRAY_SIZE(skylake_rt286_dais),
482 	.controls = skylake_controls,
483 	.num_controls = ARRAY_SIZE(skylake_controls),
484 	.dapm_widgets = skylake_widgets,
485 	.num_dapm_widgets = ARRAY_SIZE(skylake_widgets),
486 	.dapm_routes = skylake_rt286_map,
487 	.num_dapm_routes = ARRAY_SIZE(skylake_rt286_map),
488 	.fully_routed = true,
489 	.late_probe = skylake_card_late_probe,
490 };
491 
492 static int skylake_audio_probe(struct platform_device *pdev)
493 {
494 	struct skl_rt286_private *ctx;
495 
496 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
497 	if (!ctx)
498 		return -ENOMEM;
499 
500 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
501 
502 	skylake_rt286.dev = &pdev->dev;
503 	snd_soc_card_set_drvdata(&skylake_rt286, ctx);
504 
505 	return devm_snd_soc_register_card(&pdev->dev, &skylake_rt286);
506 }
507 
508 static const struct platform_device_id skl_board_ids[] = {
509 	{ .name = "skl_alc286s_i2s" },
510 	{ .name = "kbl_alc286s_i2s" },
511 	{ }
512 };
513 
514 static struct platform_driver skylake_audio = {
515 	.probe = skylake_audio_probe,
516 	.driver = {
517 		.name = "skl_alc286s_i2s",
518 		.pm = &snd_soc_pm_ops,
519 	},
520 	.id_table = skl_board_ids,
521 
522 };
523 
524 module_platform_driver(skylake_audio)
525 
526 /* Module information */
527 MODULE_AUTHOR("Omair Mohammed Abdullah <omair.m.abdullah@intel.com>");
528 MODULE_DESCRIPTION("Intel SST Audio for Skylake");
529 MODULE_LICENSE("GPL v2");
530 MODULE_ALIAS("platform:skl_alc286s_i2s");
531 MODULE_ALIAS("platform:kbl_alc286s_i2s");
532