xref: /linux/sound/soc/intel/boards/sof_cs42l42.c (revision 0e685c3e7158d35626d6d76b9f859eae806d87fa)
1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright(c) 2021 Intel Corporation.
3 
4 /*
5  * Intel SOF Machine Driver with Cirrus Logic CS42L42 Codec
6  * and speaker codec MAX98357A
7  */
8 #include <linux/i2c.h>
9 #include <linux/input.h>
10 #include <linux/module.h>
11 #include <linux/platform_device.h>
12 #include <linux/regulator/consumer.h>
13 #include <linux/dmi.h>
14 #include <sound/core.h>
15 #include <sound/jack.h>
16 #include <sound/pcm.h>
17 #include <sound/pcm_params.h>
18 #include <sound/soc.h>
19 #include <sound/sof.h>
20 #include <sound/soc-acpi.h>
21 #include <dt-bindings/sound/cs42l42.h>
22 #include "../../codecs/hdac_hdmi.h"
23 #include "../common/soc-intel-quirks.h"
24 #include "hda_dsp_common.h"
25 #include "sof_maxim_common.h"
26 
27 #define NAME_SIZE 32
28 
29 #define SOF_CS42L42_SSP_CODEC(quirk)		((quirk) & GENMASK(2, 0))
30 #define SOF_CS42L42_SSP_CODEC_MASK		(GENMASK(2, 0))
31 #define SOF_SPEAKER_AMP_PRESENT			BIT(3)
32 #define SOF_CS42L42_SSP_AMP_SHIFT		4
33 #define SOF_CS42L42_SSP_AMP_MASK		(GENMASK(6, 4))
34 #define SOF_CS42L42_SSP_AMP(quirk)	\
35 	(((quirk) << SOF_CS42L42_SSP_AMP_SHIFT) & SOF_CS42L42_SSP_AMP_MASK)
36 #define SOF_CS42L42_NUM_HDMIDEV_SHIFT		7
37 #define SOF_CS42L42_NUM_HDMIDEV_MASK		(GENMASK(9, 7))
38 #define SOF_CS42L42_NUM_HDMIDEV(quirk)	\
39 	(((quirk) << SOF_CS42L42_NUM_HDMIDEV_SHIFT) & SOF_CS42L42_NUM_HDMIDEV_MASK)
40 #define SOF_CS42L42_DAILINK_SHIFT		10
41 #define SOF_CS42L42_DAILINK_MASK		(GENMASK(24, 10))
42 #define SOF_CS42L42_DAILINK(link1, link2, link3, link4, link5) \
43 	((((link1) | ((link2) << 3) | ((link3) << 6) | ((link4) << 9) | ((link5) << 12)) << SOF_CS42L42_DAILINK_SHIFT) & SOF_CS42L42_DAILINK_MASK)
44 #define SOF_BT_OFFLOAD_PRESENT			BIT(25)
45 #define SOF_CS42L42_SSP_BT_SHIFT		26
46 #define SOF_CS42L42_SSP_BT_MASK			(GENMASK(28, 26))
47 #define SOF_CS42L42_SSP_BT(quirk)	\
48 	(((quirk) << SOF_CS42L42_SSP_BT_SHIFT) & SOF_CS42L42_SSP_BT_MASK)
49 #define SOF_MAX98357A_SPEAKER_AMP_PRESENT	BIT(29)
50 #define SOF_MAX98360A_SPEAKER_AMP_PRESENT	BIT(30)
51 
52 enum {
53 	LINK_NONE = 0,
54 	LINK_HP = 1,
55 	LINK_SPK = 2,
56 	LINK_DMIC = 3,
57 	LINK_HDMI = 4,
58 	LINK_BT = 5,
59 };
60 
61 static struct snd_soc_jack_pin jack_pins[] = {
62 	{
63 		.pin    = "Headphone Jack",
64 		.mask   = SND_JACK_HEADPHONE,
65 	},
66 	{
67 		.pin    = "Headset Mic",
68 		.mask   = SND_JACK_MICROPHONE,
69 	},
70 };
71 
72 /* Default: SSP2 */
73 static unsigned long sof_cs42l42_quirk = SOF_CS42L42_SSP_CODEC(2);
74 
75 struct sof_hdmi_pcm {
76 	struct list_head head;
77 	struct snd_soc_dai *codec_dai;
78 	struct snd_soc_jack hdmi_jack;
79 	int device;
80 };
81 
82 struct sof_card_private {
83 	struct snd_soc_jack headset_jack;
84 	struct list_head hdmi_pcm_list;
85 	bool common_hdmi_codec_drv;
86 };
87 
88 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
89 {
90 	struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
91 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
92 	struct sof_hdmi_pcm *pcm;
93 
94 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
95 	if (!pcm)
96 		return -ENOMEM;
97 
98 	/* dai_link id is 1:1 mapped to the PCM device */
99 	pcm->device = rtd->dai_link->id;
100 	pcm->codec_dai = dai;
101 
102 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
103 
104 	return 0;
105 }
106 
107 static int sof_cs42l42_init(struct snd_soc_pcm_runtime *rtd)
108 {
109 	struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
110 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
111 	struct snd_soc_jack *jack = &ctx->headset_jack;
112 	int ret;
113 
114 	/*
115 	 * Headset buttons map to the google Reference headset.
116 	 * These can be configured by userspace.
117 	 */
118 	ret = snd_soc_card_jack_new_pins(rtd->card, "Headset Jack",
119 					 SND_JACK_HEADSET | SND_JACK_BTN_0 |
120 					 SND_JACK_BTN_1 | SND_JACK_BTN_2 |
121 					 SND_JACK_BTN_3,
122 					 jack,
123 					 jack_pins,
124 					 ARRAY_SIZE(jack_pins));
125 	if (ret) {
126 		dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
127 		return ret;
128 	}
129 
130 	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
131 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
132 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
133 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
134 
135 	ret = snd_soc_component_set_jack(component, jack, NULL);
136 	if (ret) {
137 		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
138 		return ret;
139 	}
140 
141 	return ret;
142 };
143 
144 static void sof_cs42l42_exit(struct snd_soc_pcm_runtime *rtd)
145 {
146 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
147 
148 	snd_soc_component_set_jack(component, NULL, NULL);
149 }
150 
151 static int sof_cs42l42_hw_params(struct snd_pcm_substream *substream,
152 				 struct snd_pcm_hw_params *params)
153 {
154 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
155 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
156 	int clk_freq, ret;
157 
158 	clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */
159 
160 	if (clk_freq <= 0) {
161 		dev_err(rtd->dev, "get bclk freq failed: %d\n", clk_freq);
162 		return -EINVAL;
163 	}
164 
165 	/* Configure sysclk for codec */
166 	ret = snd_soc_dai_set_sysclk(codec_dai, 0,
167 				     clk_freq, SND_SOC_CLOCK_IN);
168 	if (ret < 0)
169 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
170 
171 	return ret;
172 }
173 
174 static const struct snd_soc_ops sof_cs42l42_ops = {
175 	.hw_params = sof_cs42l42_hw_params,
176 };
177 
178 static struct snd_soc_dai_link_component platform_component[] = {
179 	{
180 		/* name might be overridden during probe */
181 		.name = "0000:00:1f.3"
182 	}
183 };
184 
185 static int sof_card_late_probe(struct snd_soc_card *card)
186 {
187 	struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
188 	struct snd_soc_component *component = NULL;
189 	char jack_name[NAME_SIZE];
190 	struct sof_hdmi_pcm *pcm;
191 	int err;
192 
193 	if (list_empty(&ctx->hdmi_pcm_list))
194 		return -EINVAL;
195 
196 	if (ctx->common_hdmi_codec_drv) {
197 		pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm,
198 				       head);
199 		component = pcm->codec_dai->component;
200 		return hda_dsp_hdmi_build_controls(card, component);
201 	}
202 
203 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
204 		component = pcm->codec_dai->component;
205 		snprintf(jack_name, sizeof(jack_name),
206 			 "HDMI/DP, pcm=%d Jack", pcm->device);
207 		err = snd_soc_card_jack_new(card, jack_name,
208 					    SND_JACK_AVOUT, &pcm->hdmi_jack);
209 
210 		if (err)
211 			return err;
212 
213 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
214 					  &pcm->hdmi_jack);
215 		if (err < 0)
216 			return err;
217 	}
218 
219 	return hdac_hdmi_jack_port_init(component, &card->dapm);
220 }
221 
222 static const struct snd_kcontrol_new sof_controls[] = {
223 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
224 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
225 };
226 
227 static const struct snd_soc_dapm_widget sof_widgets[] = {
228 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
229 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
230 };
231 
232 static const struct snd_soc_dapm_widget dmic_widgets[] = {
233 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
234 };
235 
236 static const struct snd_soc_dapm_route sof_map[] = {
237 	/* HP jack connectors - unknown if we have jack detection */
238 	{"Headphone Jack", NULL, "HP"},
239 
240 	/* other jacks */
241 	{"HS", NULL, "Headset Mic"},
242 };
243 
244 static const struct snd_soc_dapm_route dmic_map[] = {
245 	/* digital mics */
246 	{"DMic", NULL, "SoC DMIC"},
247 };
248 
249 static int dmic_init(struct snd_soc_pcm_runtime *rtd)
250 {
251 	struct snd_soc_card *card = rtd->card;
252 	int ret;
253 
254 	ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
255 					ARRAY_SIZE(dmic_widgets));
256 	if (ret) {
257 		dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
258 		/* Don't need to add routes if widget addition failed */
259 		return ret;
260 	}
261 
262 	ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
263 				      ARRAY_SIZE(dmic_map));
264 
265 	if (ret)
266 		dev_err(card->dev, "DMic map addition failed: %d\n", ret);
267 
268 	return ret;
269 }
270 
271 /* sof audio machine driver for cs42l42 codec */
272 static struct snd_soc_card sof_audio_card_cs42l42 = {
273 	.name = "cs42l42", /* the sof- prefix is added by the core */
274 	.owner = THIS_MODULE,
275 	.controls = sof_controls,
276 	.num_controls = ARRAY_SIZE(sof_controls),
277 	.dapm_widgets = sof_widgets,
278 	.num_dapm_widgets = ARRAY_SIZE(sof_widgets),
279 	.dapm_routes = sof_map,
280 	.num_dapm_routes = ARRAY_SIZE(sof_map),
281 	.fully_routed = true,
282 	.late_probe = sof_card_late_probe,
283 };
284 
285 static struct snd_soc_dai_link_component cs42l42_component[] = {
286 	{
287 		.name = "i2c-10134242:00",
288 		.dai_name = "cs42l42",
289 	}
290 };
291 
292 static struct snd_soc_dai_link_component dmic_component[] = {
293 	{
294 		.name = "dmic-codec",
295 		.dai_name = "dmic-hifi",
296 	}
297 };
298 
299 static struct snd_soc_dai_link_component dummy_component[] = {
300 	{
301 		.name = "snd-soc-dummy",
302 		.dai_name = "snd-soc-dummy-dai",
303 	}
304 };
305 
306 static int create_spk_amp_dai_links(struct device *dev,
307 				    struct snd_soc_dai_link *links,
308 				    struct snd_soc_dai_link_component *cpus,
309 				    int *id, int ssp_amp)
310 {
311 	int ret = 0;
312 
313 	/* speaker amp */
314 	if (!(sof_cs42l42_quirk & SOF_SPEAKER_AMP_PRESENT))
315 		return 0;
316 
317 	links[*id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec",
318 					 ssp_amp);
319 	if (!links[*id].name) {
320 		ret = -ENOMEM;
321 		goto devm_err;
322 	}
323 
324 	links[*id].id = *id;
325 
326 	if (sof_cs42l42_quirk & SOF_MAX98357A_SPEAKER_AMP_PRESENT) {
327 		max_98357a_dai_link(&links[*id]);
328 	} else if (sof_cs42l42_quirk & SOF_MAX98360A_SPEAKER_AMP_PRESENT) {
329 		max_98360a_dai_link(&links[*id]);
330 	} else {
331 		dev_err(dev, "no amp defined\n");
332 		ret = -EINVAL;
333 		goto devm_err;
334 	}
335 
336 	links[*id].platforms = platform_component;
337 	links[*id].num_platforms = ARRAY_SIZE(platform_component);
338 	links[*id].dpcm_playback = 1;
339 	/* firmware-generated echo reference */
340 	links[*id].dpcm_capture = 1;
341 
342 	links[*id].no_pcm = 1;
343 	links[*id].cpus = &cpus[*id];
344 	links[*id].num_cpus = 1;
345 
346 	links[*id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
347 						   "SSP%d Pin", ssp_amp);
348 	if (!links[*id].cpus->dai_name) {
349 		ret = -ENOMEM;
350 		goto devm_err;
351 	}
352 
353 	(*id)++;
354 
355 devm_err:
356 	return ret;
357 }
358 
359 static int create_hp_codec_dai_links(struct device *dev,
360 				     struct snd_soc_dai_link *links,
361 				     struct snd_soc_dai_link_component *cpus,
362 				     int *id, int ssp_codec)
363 {
364 	/* codec SSP */
365 	links[*id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec",
366 					 ssp_codec);
367 	if (!links[*id].name)
368 		goto devm_err;
369 
370 	links[*id].id = *id;
371 	links[*id].codecs = cs42l42_component;
372 	links[*id].num_codecs = ARRAY_SIZE(cs42l42_component);
373 	links[*id].platforms = platform_component;
374 	links[*id].num_platforms = ARRAY_SIZE(platform_component);
375 	links[*id].init = sof_cs42l42_init;
376 	links[*id].exit = sof_cs42l42_exit;
377 	links[*id].ops = &sof_cs42l42_ops;
378 	links[*id].dpcm_playback = 1;
379 	links[*id].dpcm_capture = 1;
380 	links[*id].no_pcm = 1;
381 	links[*id].cpus = &cpus[*id];
382 	links[*id].num_cpus = 1;
383 
384 	links[*id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
385 						   "SSP%d Pin",
386 						   ssp_codec);
387 	if (!links[*id].cpus->dai_name)
388 		goto devm_err;
389 
390 	(*id)++;
391 
392 	return 0;
393 
394 devm_err:
395 	return -ENOMEM;
396 }
397 
398 static int create_dmic_dai_links(struct device *dev,
399 				 struct snd_soc_dai_link *links,
400 				 struct snd_soc_dai_link_component *cpus,
401 				 int *id, int dmic_be_num)
402 {
403 	int i;
404 
405 	/* dmic */
406 	if (dmic_be_num <= 0)
407 		return 0;
408 
409 	/* at least we have dmic01 */
410 	links[*id].name = "dmic01";
411 	links[*id].cpus = &cpus[*id];
412 	links[*id].cpus->dai_name = "DMIC01 Pin";
413 	links[*id].init = dmic_init;
414 	if (dmic_be_num > 1) {
415 		/* set up 2 BE links at most */
416 		links[*id + 1].name = "dmic16k";
417 		links[*id + 1].cpus = &cpus[*id + 1];
418 		links[*id + 1].cpus->dai_name = "DMIC16k Pin";
419 		dmic_be_num = 2;
420 	}
421 
422 	for (i = 0; i < dmic_be_num; i++) {
423 		links[*id].id = *id;
424 		links[*id].num_cpus = 1;
425 		links[*id].codecs = dmic_component;
426 		links[*id].num_codecs = ARRAY_SIZE(dmic_component);
427 		links[*id].platforms = platform_component;
428 		links[*id].num_platforms = ARRAY_SIZE(platform_component);
429 		links[*id].ignore_suspend = 1;
430 		links[*id].dpcm_capture = 1;
431 		links[*id].no_pcm = 1;
432 
433 		(*id)++;
434 	}
435 
436 	return 0;
437 }
438 
439 static int create_hdmi_dai_links(struct device *dev,
440 				 struct snd_soc_dai_link *links,
441 				 struct snd_soc_dai_link_component *cpus,
442 				 int *id, int hdmi_num)
443 {
444 	struct snd_soc_dai_link_component *idisp_components;
445 	int i;
446 
447 	/* HDMI */
448 	if (hdmi_num <= 0)
449 		return 0;
450 
451 	idisp_components = devm_kcalloc(dev,
452 					hdmi_num,
453 					sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
454 	if (!idisp_components)
455 		goto devm_err;
456 
457 	for (i = 1; i <= hdmi_num; i++) {
458 		links[*id].name = devm_kasprintf(dev, GFP_KERNEL,
459 						 "iDisp%d", i);
460 		if (!links[*id].name)
461 			goto devm_err;
462 
463 		links[*id].id = *id;
464 		links[*id].cpus = &cpus[*id];
465 		links[*id].num_cpus = 1;
466 		links[*id].cpus->dai_name = devm_kasprintf(dev,
467 							   GFP_KERNEL,
468 							   "iDisp%d Pin",
469 							   i);
470 		if (!links[*id].cpus->dai_name)
471 			goto devm_err;
472 
473 		idisp_components[i - 1].name = "ehdaudio0D2";
474 		idisp_components[i - 1].dai_name = devm_kasprintf(dev,
475 								  GFP_KERNEL,
476 								  "intel-hdmi-hifi%d",
477 								  i);
478 		if (!idisp_components[i - 1].dai_name)
479 			goto devm_err;
480 
481 		links[*id].codecs = &idisp_components[i - 1];
482 		links[*id].num_codecs = 1;
483 		links[*id].platforms = platform_component;
484 		links[*id].num_platforms = ARRAY_SIZE(platform_component);
485 		links[*id].init = sof_hdmi_init;
486 		links[*id].dpcm_playback = 1;
487 		links[*id].no_pcm = 1;
488 
489 		(*id)++;
490 	}
491 
492 	return 0;
493 
494 devm_err:
495 	return -ENOMEM;
496 }
497 
498 static int create_bt_offload_dai_links(struct device *dev,
499 				       struct snd_soc_dai_link *links,
500 				       struct snd_soc_dai_link_component *cpus,
501 				       int *id, int ssp_bt)
502 {
503 	/* bt offload */
504 	if (!(sof_cs42l42_quirk & SOF_BT_OFFLOAD_PRESENT))
505 		return 0;
506 
507 	links[*id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-BT",
508 					 ssp_bt);
509 	if (!links[*id].name)
510 		goto devm_err;
511 
512 	links[*id].id = *id;
513 	links[*id].codecs = dummy_component;
514 	links[*id].num_codecs = ARRAY_SIZE(dummy_component);
515 	links[*id].platforms = platform_component;
516 	links[*id].num_platforms = ARRAY_SIZE(platform_component);
517 
518 	links[*id].dpcm_playback = 1;
519 	links[*id].dpcm_capture = 1;
520 	links[*id].no_pcm = 1;
521 	links[*id].cpus = &cpus[*id];
522 	links[*id].num_cpus = 1;
523 
524 	links[*id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
525 						   "SSP%d Pin",
526 						   ssp_bt);
527 	if (!links[*id].cpus->dai_name)
528 		goto devm_err;
529 
530 	(*id)++;
531 
532 	return 0;
533 
534 devm_err:
535 	return -ENOMEM;
536 }
537 
538 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
539 							  int ssp_codec,
540 							  int ssp_amp,
541 							  int ssp_bt,
542 							  int dmic_be_num,
543 							  int hdmi_num)
544 {
545 	struct snd_soc_dai_link_component *cpus;
546 	struct snd_soc_dai_link *links;
547 	int ret, id = 0, link_seq;
548 
549 	links = devm_kcalloc(dev, sof_audio_card_cs42l42.num_links,
550 			    sizeof(struct snd_soc_dai_link), GFP_KERNEL);
551 	cpus = devm_kcalloc(dev, sof_audio_card_cs42l42.num_links,
552 			    sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
553 	if (!links || !cpus)
554 		goto devm_err;
555 
556 	link_seq = (sof_cs42l42_quirk & SOF_CS42L42_DAILINK_MASK) >> SOF_CS42L42_DAILINK_SHIFT;
557 
558 	while (link_seq) {
559 		int link_type = link_seq & 0x07;
560 
561 		switch (link_type) {
562 		case LINK_HP:
563 			ret = create_hp_codec_dai_links(dev, links, cpus, &id, ssp_codec);
564 			if (ret < 0) {
565 				dev_err(dev, "fail to create hp codec dai links, ret %d\n",
566 					ret);
567 				goto devm_err;
568 			}
569 			break;
570 		case LINK_SPK:
571 			ret = create_spk_amp_dai_links(dev, links, cpus, &id, ssp_amp);
572 			if (ret < 0) {
573 				dev_err(dev, "fail to create spk amp dai links, ret %d\n",
574 					ret);
575 				goto devm_err;
576 			}
577 			break;
578 		case LINK_DMIC:
579 			ret = create_dmic_dai_links(dev, links, cpus, &id, dmic_be_num);
580 			if (ret < 0) {
581 				dev_err(dev, "fail to create dmic dai links, ret %d\n",
582 					ret);
583 				goto devm_err;
584 			}
585 			break;
586 		case LINK_HDMI:
587 			ret = create_hdmi_dai_links(dev, links, cpus, &id, hdmi_num);
588 			if (ret < 0) {
589 				dev_err(dev, "fail to create hdmi dai links, ret %d\n",
590 					ret);
591 				goto devm_err;
592 			}
593 			break;
594 		case LINK_BT:
595 			ret = create_bt_offload_dai_links(dev, links, cpus, &id, ssp_bt);
596 			if (ret < 0) {
597 				dev_err(dev, "fail to create bt offload dai links, ret %d\n",
598 					ret);
599 				goto devm_err;
600 			}
601 			break;
602 		case LINK_NONE:
603 			/* caught here if it's not used as terminator in macro */
604 		default:
605 			dev_err(dev, "invalid link type %d\n", link_type);
606 			goto devm_err;
607 		}
608 
609 		link_seq >>= 3;
610 	}
611 
612 	return links;
613 devm_err:
614 	return NULL;
615 }
616 
617 static int sof_audio_probe(struct platform_device *pdev)
618 {
619 	struct snd_soc_dai_link *dai_links;
620 	struct snd_soc_acpi_mach *mach;
621 	struct sof_card_private *ctx;
622 	int dmic_be_num, hdmi_num;
623 	int ret, ssp_bt, ssp_amp, ssp_codec;
624 
625 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
626 	if (!ctx)
627 		return -ENOMEM;
628 
629 	if (pdev->id_entry && pdev->id_entry->driver_data)
630 		sof_cs42l42_quirk = (unsigned long)pdev->id_entry->driver_data;
631 
632 	mach = pdev->dev.platform_data;
633 
634 	if (soc_intel_is_glk()) {
635 		dmic_be_num = 1;
636 		hdmi_num = 3;
637 	} else {
638 		dmic_be_num = 2;
639 		hdmi_num = (sof_cs42l42_quirk & SOF_CS42L42_NUM_HDMIDEV_MASK) >>
640 			 SOF_CS42L42_NUM_HDMIDEV_SHIFT;
641 		/* default number of HDMI DAI's */
642 		if (!hdmi_num)
643 			hdmi_num = 3;
644 	}
645 
646 	dev_dbg(&pdev->dev, "sof_cs42l42_quirk = %lx\n", sof_cs42l42_quirk);
647 
648 	ssp_bt = (sof_cs42l42_quirk & SOF_CS42L42_SSP_BT_MASK) >>
649 			SOF_CS42L42_SSP_BT_SHIFT;
650 
651 	ssp_amp = (sof_cs42l42_quirk & SOF_CS42L42_SSP_AMP_MASK) >>
652 			SOF_CS42L42_SSP_AMP_SHIFT;
653 
654 	ssp_codec = sof_cs42l42_quirk & SOF_CS42L42_SSP_CODEC_MASK;
655 
656 	/* compute number of dai links */
657 	sof_audio_card_cs42l42.num_links = 1 + dmic_be_num + hdmi_num;
658 
659 	if (sof_cs42l42_quirk & SOF_SPEAKER_AMP_PRESENT)
660 		sof_audio_card_cs42l42.num_links++;
661 	if (sof_cs42l42_quirk & SOF_BT_OFFLOAD_PRESENT)
662 		sof_audio_card_cs42l42.num_links++;
663 
664 	dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp,
665 					      ssp_bt, dmic_be_num, hdmi_num);
666 	if (!dai_links)
667 		return -ENOMEM;
668 
669 	sof_audio_card_cs42l42.dai_link = dai_links;
670 
671 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
672 
673 	sof_audio_card_cs42l42.dev = &pdev->dev;
674 
675 	/* set platform name for each dailink */
676 	ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_cs42l42,
677 						    mach->mach_params.platform);
678 	if (ret)
679 		return ret;
680 
681 	ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv;
682 
683 	snd_soc_card_set_drvdata(&sof_audio_card_cs42l42, ctx);
684 
685 	return devm_snd_soc_register_card(&pdev->dev,
686 					  &sof_audio_card_cs42l42);
687 }
688 
689 static const struct platform_device_id board_ids[] = {
690 	{
691 		.name = "glk_cs4242_mx98357a",
692 		.driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(2) |
693 					SOF_SPEAKER_AMP_PRESENT |
694 					SOF_MAX98357A_SPEAKER_AMP_PRESENT |
695 					SOF_CS42L42_SSP_AMP(1)) |
696 					SOF_CS42L42_DAILINK(LINK_SPK, LINK_HP, LINK_DMIC, LINK_HDMI, LINK_NONE),
697 	},
698 	{
699 		.name = "jsl_cs4242_mx98360a",
700 		.driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(0) |
701 					SOF_SPEAKER_AMP_PRESENT |
702 					SOF_MAX98360A_SPEAKER_AMP_PRESENT |
703 					SOF_CS42L42_SSP_AMP(1)) |
704 					SOF_CS42L42_DAILINK(LINK_HP, LINK_DMIC, LINK_HDMI, LINK_SPK, LINK_NONE),
705 	},
706 	{
707 		.name = "adl_mx98360a_cs4242",
708 		.driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(0) |
709 				SOF_SPEAKER_AMP_PRESENT |
710 				SOF_MAX98360A_SPEAKER_AMP_PRESENT |
711 				SOF_CS42L42_SSP_AMP(1) |
712 				SOF_CS42L42_NUM_HDMIDEV(4) |
713 				SOF_BT_OFFLOAD_PRESENT |
714 				SOF_CS42L42_SSP_BT(2) |
715 				SOF_CS42L42_DAILINK(LINK_HP, LINK_DMIC, LINK_HDMI, LINK_SPK, LINK_BT)),
716 	},
717 	{ }
718 };
719 MODULE_DEVICE_TABLE(platform, board_ids);
720 
721 static struct platform_driver sof_audio = {
722 	.probe = sof_audio_probe,
723 	.driver = {
724 		.name = "sof_cs42l42",
725 		.pm = &snd_soc_pm_ops,
726 	},
727 	.id_table = board_ids,
728 };
729 module_platform_driver(sof_audio)
730 
731 /* Module information */
732 MODULE_DESCRIPTION("SOF Audio Machine driver for CS42L42");
733 MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
734 MODULE_LICENSE("GPL");
735 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
736 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
737