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_CBC_CFC,
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