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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_MAX98357A_SPEAKER_AMP_PRESENT	BIT(25)
45 #define SOF_MAX98360A_SPEAKER_AMP_PRESENT	BIT(26)
46 
47 enum {
48 	LINK_NONE = 0,
49 	LINK_HP = 1,
50 	LINK_SPK = 2,
51 	LINK_DMIC = 3,
52 	LINK_HDMI = 4,
53 };
54 
55 /* Default: SSP2 */
56 static unsigned long sof_cs42l42_quirk = SOF_CS42L42_SSP_CODEC(2);
57 
58 struct sof_hdmi_pcm {
59 	struct list_head head;
60 	struct snd_soc_dai *codec_dai;
61 	struct snd_soc_jack hdmi_jack;
62 	int device;
63 };
64 
65 struct sof_card_private {
66 	struct snd_soc_jack headset_jack;
67 	struct list_head hdmi_pcm_list;
68 	bool common_hdmi_codec_drv;
69 };
70 
sof_hdmi_init(struct snd_soc_pcm_runtime * rtd)71 static int sof_hdmi_init(struct snd_soc_pcm_runtime *rtd)
72 {
73 	struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
74 	struct snd_soc_dai *dai = asoc_rtd_to_codec(rtd, 0);
75 	struct sof_hdmi_pcm *pcm;
76 
77 	pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
78 	if (!pcm)
79 		return -ENOMEM;
80 
81 	/* dai_link id is 1:1 mapped to the PCM device */
82 	pcm->device = rtd->dai_link->id;
83 	pcm->codec_dai = dai;
84 
85 	list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
86 
87 	return 0;
88 }
89 
sof_cs42l42_init(struct snd_soc_pcm_runtime * rtd)90 static int sof_cs42l42_init(struct snd_soc_pcm_runtime *rtd)
91 {
92 	struct sof_card_private *ctx = snd_soc_card_get_drvdata(rtd->card);
93 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
94 	struct snd_soc_jack *jack = &ctx->headset_jack;
95 	int ret;
96 
97 	/*
98 	 * Headset buttons map to the google Reference headset.
99 	 * These can be configured by userspace.
100 	 */
101 	ret = snd_soc_card_jack_new(rtd->card, "Headset Jack",
102 				    SND_JACK_HEADSET | SND_JACK_BTN_0 |
103 				    SND_JACK_BTN_1 | SND_JACK_BTN_2 |
104 				    SND_JACK_BTN_3,
105 				    jack, NULL, 0);
106 	if (ret) {
107 		dev_err(rtd->dev, "Headset Jack creation failed: %d\n", ret);
108 		return ret;
109 	}
110 
111 	snd_jack_set_key(jack->jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
112 	snd_jack_set_key(jack->jack, SND_JACK_BTN_1, KEY_VOLUMEUP);
113 	snd_jack_set_key(jack->jack, SND_JACK_BTN_2, KEY_VOLUMEDOWN);
114 	snd_jack_set_key(jack->jack, SND_JACK_BTN_3, KEY_VOICECOMMAND);
115 
116 	ret = snd_soc_component_set_jack(component, jack, NULL);
117 	if (ret) {
118 		dev_err(rtd->dev, "Headset Jack call-back failed: %d\n", ret);
119 		return ret;
120 	}
121 
122 	return ret;
123 };
124 
sof_cs42l42_exit(struct snd_soc_pcm_runtime * rtd)125 static void sof_cs42l42_exit(struct snd_soc_pcm_runtime *rtd)
126 {
127 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
128 
129 	snd_soc_component_set_jack(component, NULL, NULL);
130 }
131 
sof_cs42l42_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)132 static int sof_cs42l42_hw_params(struct snd_pcm_substream *substream,
133 				 struct snd_pcm_hw_params *params)
134 {
135 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
136 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
137 	int clk_freq, ret;
138 
139 	clk_freq = sof_dai_get_bclk(rtd); /* BCLK freq */
140 
141 	if (clk_freq <= 0) {
142 		dev_err(rtd->dev, "get bclk freq failed: %d\n", clk_freq);
143 		return -EINVAL;
144 	}
145 
146 	/* Configure sysclk for codec */
147 	ret = snd_soc_dai_set_sysclk(codec_dai, 0,
148 				     clk_freq, SND_SOC_CLOCK_IN);
149 	if (ret < 0)
150 		dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
151 
152 	return ret;
153 }
154 
155 static const struct snd_soc_ops sof_cs42l42_ops = {
156 	.hw_params = sof_cs42l42_hw_params,
157 };
158 
159 static struct snd_soc_dai_link_component platform_component[] = {
160 	{
161 		/* name might be overridden during probe */
162 		.name = "0000:00:1f.3"
163 	}
164 };
165 
sof_card_late_probe(struct snd_soc_card * card)166 static int sof_card_late_probe(struct snd_soc_card *card)
167 {
168 	struct sof_card_private *ctx = snd_soc_card_get_drvdata(card);
169 	struct snd_soc_component *component = NULL;
170 	char jack_name[NAME_SIZE];
171 	struct sof_hdmi_pcm *pcm;
172 	int err;
173 
174 	if (list_empty(&ctx->hdmi_pcm_list))
175 		return -EINVAL;
176 
177 	if (ctx->common_hdmi_codec_drv) {
178 		pcm = list_first_entry(&ctx->hdmi_pcm_list, struct sof_hdmi_pcm,
179 				       head);
180 		component = pcm->codec_dai->component;
181 		return hda_dsp_hdmi_build_controls(card, component);
182 	}
183 
184 	list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
185 		component = pcm->codec_dai->component;
186 		snprintf(jack_name, sizeof(jack_name),
187 			 "HDMI/DP, pcm=%d Jack", pcm->device);
188 		err = snd_soc_card_jack_new(card, jack_name,
189 					    SND_JACK_AVOUT, &pcm->hdmi_jack,
190 					    NULL, 0);
191 
192 		if (err)
193 			return err;
194 
195 		err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
196 					  &pcm->hdmi_jack);
197 		if (err < 0)
198 			return err;
199 	}
200 
201 	return hdac_hdmi_jack_port_init(component, &card->dapm);
202 }
203 
204 static const struct snd_kcontrol_new sof_controls[] = {
205 	SOC_DAPM_PIN_SWITCH("Headphone Jack"),
206 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
207 };
208 
209 static const struct snd_soc_dapm_widget sof_widgets[] = {
210 	SND_SOC_DAPM_HP("Headphone Jack", NULL),
211 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
212 };
213 
214 static const struct snd_soc_dapm_widget dmic_widgets[] = {
215 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
216 };
217 
218 static const struct snd_soc_dapm_route sof_map[] = {
219 	/* HP jack connectors - unknown if we have jack detection */
220 	{"Headphone Jack", NULL, "HP"},
221 
222 	/* other jacks */
223 	{"HS", NULL, "Headset Mic"},
224 };
225 
226 static const struct snd_soc_dapm_route dmic_map[] = {
227 	/* digital mics */
228 	{"DMic", NULL, "SoC DMIC"},
229 };
230 
dmic_init(struct snd_soc_pcm_runtime * rtd)231 static int dmic_init(struct snd_soc_pcm_runtime *rtd)
232 {
233 	struct snd_soc_card *card = rtd->card;
234 	int ret;
235 
236 	ret = snd_soc_dapm_new_controls(&card->dapm, dmic_widgets,
237 					ARRAY_SIZE(dmic_widgets));
238 	if (ret) {
239 		dev_err(card->dev, "DMic widget addition failed: %d\n", ret);
240 		/* Don't need to add routes if widget addition failed */
241 		return ret;
242 	}
243 
244 	ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
245 				      ARRAY_SIZE(dmic_map));
246 
247 	if (ret)
248 		dev_err(card->dev, "DMic map addition failed: %d\n", ret);
249 
250 	return ret;
251 }
252 
253 /* sof audio machine driver for cs42l42 codec */
254 static struct snd_soc_card sof_audio_card_cs42l42 = {
255 	.name = "cs42l42", /* the sof- prefix is added by the core */
256 	.owner = THIS_MODULE,
257 	.controls = sof_controls,
258 	.num_controls = ARRAY_SIZE(sof_controls),
259 	.dapm_widgets = sof_widgets,
260 	.num_dapm_widgets = ARRAY_SIZE(sof_widgets),
261 	.dapm_routes = sof_map,
262 	.num_dapm_routes = ARRAY_SIZE(sof_map),
263 	.fully_routed = true,
264 	.late_probe = sof_card_late_probe,
265 };
266 
267 static struct snd_soc_dai_link_component cs42l42_component[] = {
268 	{
269 		.name = "i2c-10134242:00",
270 		.dai_name = "cs42l42",
271 	}
272 };
273 
274 static struct snd_soc_dai_link_component dmic_component[] = {
275 	{
276 		.name = "dmic-codec",
277 		.dai_name = "dmic-hifi",
278 	}
279 };
280 
create_spk_amp_dai_links(struct device * dev,struct snd_soc_dai_link * links,struct snd_soc_dai_link_component * cpus,int * id,int ssp_amp)281 static int create_spk_amp_dai_links(struct device *dev,
282 				    struct snd_soc_dai_link *links,
283 				    struct snd_soc_dai_link_component *cpus,
284 				    int *id, int ssp_amp)
285 {
286 	int ret = 0;
287 
288 	/* speaker amp */
289 	if (!(sof_cs42l42_quirk & SOF_SPEAKER_AMP_PRESENT))
290 		return 0;
291 
292 	links[*id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec",
293 					 ssp_amp);
294 	if (!links[*id].name) {
295 		ret = -ENOMEM;
296 		goto devm_err;
297 	}
298 
299 	links[*id].id = *id;
300 
301 	if (sof_cs42l42_quirk & SOF_MAX98357A_SPEAKER_AMP_PRESENT) {
302 		max_98357a_dai_link(&links[*id]);
303 	} else if (sof_cs42l42_quirk & SOF_MAX98360A_SPEAKER_AMP_PRESENT) {
304 		max_98360a_dai_link(&links[*id]);
305 	} else {
306 		dev_err(dev, "no amp defined\n");
307 		ret = -EINVAL;
308 		goto devm_err;
309 	}
310 
311 	links[*id].platforms = platform_component;
312 	links[*id].num_platforms = ARRAY_SIZE(platform_component);
313 	links[*id].dpcm_playback = 1;
314 	/* firmware-generated echo reference */
315 	links[*id].dpcm_capture = 1;
316 
317 	links[*id].no_pcm = 1;
318 	links[*id].cpus = &cpus[*id];
319 	links[*id].num_cpus = 1;
320 
321 	links[*id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
322 						   "SSP%d Pin", ssp_amp);
323 	if (!links[*id].cpus->dai_name) {
324 		ret = -ENOMEM;
325 		goto devm_err;
326 	}
327 
328 	(*id)++;
329 
330 devm_err:
331 	return ret;
332 }
333 
create_hp_codec_dai_links(struct device * dev,struct snd_soc_dai_link * links,struct snd_soc_dai_link_component * cpus,int * id,int ssp_codec)334 static int create_hp_codec_dai_links(struct device *dev,
335 				     struct snd_soc_dai_link *links,
336 				     struct snd_soc_dai_link_component *cpus,
337 				     int *id, int ssp_codec)
338 {
339 	/* codec SSP */
340 	links[*id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-Codec",
341 					 ssp_codec);
342 	if (!links[*id].name)
343 		goto devm_err;
344 
345 	links[*id].id = *id;
346 	links[*id].codecs = cs42l42_component;
347 	links[*id].num_codecs = ARRAY_SIZE(cs42l42_component);
348 	links[*id].platforms = platform_component;
349 	links[*id].num_platforms = ARRAY_SIZE(platform_component);
350 	links[*id].init = sof_cs42l42_init;
351 	links[*id].exit = sof_cs42l42_exit;
352 	links[*id].ops = &sof_cs42l42_ops;
353 	links[*id].dpcm_playback = 1;
354 	links[*id].dpcm_capture = 1;
355 	links[*id].no_pcm = 1;
356 	links[*id].cpus = &cpus[*id];
357 	links[*id].num_cpus = 1;
358 
359 	links[*id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
360 						   "SSP%d Pin",
361 						   ssp_codec);
362 	if (!links[*id].cpus->dai_name)
363 		goto devm_err;
364 
365 	(*id)++;
366 
367 	return 0;
368 
369 devm_err:
370 	return -ENOMEM;
371 }
372 
create_dmic_dai_links(struct device * dev,struct snd_soc_dai_link * links,struct snd_soc_dai_link_component * cpus,int * id,int dmic_be_num)373 static int create_dmic_dai_links(struct device *dev,
374 				 struct snd_soc_dai_link *links,
375 				 struct snd_soc_dai_link_component *cpus,
376 				 int *id, int dmic_be_num)
377 {
378 	int i;
379 
380 	/* dmic */
381 	if (dmic_be_num <= 0)
382 		return 0;
383 
384 	/* at least we have dmic01 */
385 	links[*id].name = "dmic01";
386 	links[*id].cpus = &cpus[*id];
387 	links[*id].cpus->dai_name = "DMIC01 Pin";
388 	links[*id].init = dmic_init;
389 	if (dmic_be_num > 1) {
390 		/* set up 2 BE links at most */
391 		links[*id + 1].name = "dmic16k";
392 		links[*id + 1].cpus = &cpus[*id + 1];
393 		links[*id + 1].cpus->dai_name = "DMIC16k Pin";
394 		dmic_be_num = 2;
395 	}
396 
397 	for (i = 0; i < dmic_be_num; i++) {
398 		links[*id].id = *id;
399 		links[*id].num_cpus = 1;
400 		links[*id].codecs = dmic_component;
401 		links[*id].num_codecs = ARRAY_SIZE(dmic_component);
402 		links[*id].platforms = platform_component;
403 		links[*id].num_platforms = ARRAY_SIZE(platform_component);
404 		links[*id].ignore_suspend = 1;
405 		links[*id].dpcm_capture = 1;
406 		links[*id].no_pcm = 1;
407 
408 		(*id)++;
409 	}
410 
411 	return 0;
412 }
413 
create_hdmi_dai_links(struct device * dev,struct snd_soc_dai_link * links,struct snd_soc_dai_link_component * cpus,int * id,int hdmi_num)414 static int create_hdmi_dai_links(struct device *dev,
415 				 struct snd_soc_dai_link *links,
416 				 struct snd_soc_dai_link_component *cpus,
417 				 int *id, int hdmi_num)
418 {
419 	struct snd_soc_dai_link_component *idisp_components;
420 	int i;
421 
422 	/* HDMI */
423 	if (hdmi_num <= 0)
424 		return 0;
425 
426 	idisp_components = devm_kzalloc(dev,
427 					sizeof(struct snd_soc_dai_link_component) *
428 					hdmi_num, GFP_KERNEL);
429 	if (!idisp_components)
430 		goto devm_err;
431 
432 	for (i = 1; i <= hdmi_num; i++) {
433 		links[*id].name = devm_kasprintf(dev, GFP_KERNEL,
434 						 "iDisp%d", i);
435 		if (!links[*id].name)
436 			goto devm_err;
437 
438 		links[*id].id = *id;
439 		links[*id].cpus = &cpus[*id];
440 		links[*id].num_cpus = 1;
441 		links[*id].cpus->dai_name = devm_kasprintf(dev,
442 							   GFP_KERNEL,
443 							   "iDisp%d Pin",
444 							   i);
445 		if (!links[*id].cpus->dai_name)
446 			goto devm_err;
447 
448 		idisp_components[i - 1].name = "ehdaudio0D2";
449 		idisp_components[i - 1].dai_name = devm_kasprintf(dev,
450 								  GFP_KERNEL,
451 								  "intel-hdmi-hifi%d",
452 								  i);
453 		if (!idisp_components[i - 1].dai_name)
454 			goto devm_err;
455 
456 		links[*id].codecs = &idisp_components[i - 1];
457 		links[*id].num_codecs = 1;
458 		links[*id].platforms = platform_component;
459 		links[*id].num_platforms = ARRAY_SIZE(platform_component);
460 		links[*id].init = sof_hdmi_init;
461 		links[*id].dpcm_playback = 1;
462 		links[*id].no_pcm = 1;
463 
464 		(*id)++;
465 	}
466 
467 	return 0;
468 
469 devm_err:
470 	return -ENOMEM;
471 }
472 
sof_card_dai_links_create(struct device * dev,int ssp_codec,int ssp_amp,int dmic_be_num,int hdmi_num)473 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
474 							  int ssp_codec,
475 							  int ssp_amp,
476 							  int dmic_be_num,
477 							  int hdmi_num)
478 {
479 	struct snd_soc_dai_link_component *cpus;
480 	struct snd_soc_dai_link *links;
481 	int ret, id = 0, link_seq;
482 
483 	links = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link) *
484 			     sof_audio_card_cs42l42.num_links, GFP_KERNEL);
485 	cpus = devm_kzalloc(dev, sizeof(struct snd_soc_dai_link_component) *
486 			     sof_audio_card_cs42l42.num_links, GFP_KERNEL);
487 	if (!links || !cpus)
488 		goto devm_err;
489 
490 	link_seq = (sof_cs42l42_quirk & SOF_CS42L42_DAILINK_MASK) >> SOF_CS42L42_DAILINK_SHIFT;
491 
492 	while (link_seq) {
493 		int link_type = link_seq & 0x07;
494 
495 		switch (link_type) {
496 		case LINK_HP:
497 			ret = create_hp_codec_dai_links(dev, links, cpus, &id, ssp_codec);
498 			if (ret < 0) {
499 				dev_err(dev, "fail to create hp codec dai links, ret %d\n",
500 					ret);
501 				goto devm_err;
502 			}
503 			break;
504 		case LINK_SPK:
505 			ret = create_spk_amp_dai_links(dev, links, cpus, &id, ssp_amp);
506 			if (ret < 0) {
507 				dev_err(dev, "fail to create spk amp dai links, ret %d\n",
508 					ret);
509 				goto devm_err;
510 			}
511 			break;
512 		case LINK_DMIC:
513 			ret = create_dmic_dai_links(dev, links, cpus, &id, dmic_be_num);
514 			if (ret < 0) {
515 				dev_err(dev, "fail to create dmic dai links, ret %d\n",
516 					ret);
517 				goto devm_err;
518 			}
519 			break;
520 		case LINK_HDMI:
521 			ret = create_hdmi_dai_links(dev, links, cpus, &id, hdmi_num);
522 			if (ret < 0) {
523 				dev_err(dev, "fail to create hdmi dai links, ret %d\n",
524 					ret);
525 				goto devm_err;
526 			}
527 			break;
528 		case LINK_NONE:
529 			/* caught here if it's not used as terminator in macro */
530 		default:
531 			dev_err(dev, "invalid link type %d\n", link_type);
532 			goto devm_err;
533 		}
534 
535 		link_seq >>= 3;
536 	}
537 
538 	return links;
539 devm_err:
540 	return NULL;
541 }
542 
sof_audio_probe(struct platform_device * pdev)543 static int sof_audio_probe(struct platform_device *pdev)
544 {
545 	struct snd_soc_dai_link *dai_links;
546 	struct snd_soc_acpi_mach *mach;
547 	struct sof_card_private *ctx;
548 	int dmic_be_num, hdmi_num;
549 	int ret, ssp_amp, ssp_codec;
550 
551 	ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
552 	if (!ctx)
553 		return -ENOMEM;
554 
555 	if (pdev->id_entry && pdev->id_entry->driver_data)
556 		sof_cs42l42_quirk = (unsigned long)pdev->id_entry->driver_data;
557 
558 	mach = pdev->dev.platform_data;
559 
560 	if (soc_intel_is_glk()) {
561 		dmic_be_num = 1;
562 		hdmi_num = 3;
563 	} else {
564 		dmic_be_num = 2;
565 		hdmi_num = (sof_cs42l42_quirk & SOF_CS42L42_NUM_HDMIDEV_MASK) >>
566 			 SOF_CS42L42_NUM_HDMIDEV_SHIFT;
567 		/* default number of HDMI DAI's */
568 		if (!hdmi_num)
569 			hdmi_num = 3;
570 	}
571 
572 	dev_dbg(&pdev->dev, "sof_cs42l42_quirk = %lx\n", sof_cs42l42_quirk);
573 
574 	ssp_amp = (sof_cs42l42_quirk & SOF_CS42L42_SSP_AMP_MASK) >>
575 			SOF_CS42L42_SSP_AMP_SHIFT;
576 
577 	ssp_codec = sof_cs42l42_quirk & SOF_CS42L42_SSP_CODEC_MASK;
578 
579 	/* compute number of dai links */
580 	sof_audio_card_cs42l42.num_links = 1 + dmic_be_num + hdmi_num;
581 
582 	if (sof_cs42l42_quirk & SOF_SPEAKER_AMP_PRESENT)
583 		sof_audio_card_cs42l42.num_links++;
584 
585 	dai_links = sof_card_dai_links_create(&pdev->dev, ssp_codec, ssp_amp,
586 					      dmic_be_num, hdmi_num);
587 	if (!dai_links)
588 		return -ENOMEM;
589 
590 	sof_audio_card_cs42l42.dai_link = dai_links;
591 
592 	INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
593 
594 	sof_audio_card_cs42l42.dev = &pdev->dev;
595 
596 	/* set platform name for each dailink */
597 	ret = snd_soc_fixup_dai_links_platform_name(&sof_audio_card_cs42l42,
598 						    mach->mach_params.platform);
599 	if (ret)
600 		return ret;
601 
602 	ctx->common_hdmi_codec_drv = mach->mach_params.common_hdmi_codec_drv;
603 
604 	snd_soc_card_set_drvdata(&sof_audio_card_cs42l42, ctx);
605 
606 	return devm_snd_soc_register_card(&pdev->dev,
607 					  &sof_audio_card_cs42l42);
608 }
609 
610 static const struct platform_device_id board_ids[] = {
611 	{
612 		.name = "glk_cs4242_mx98357a",
613 		.driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(2) |
614 					SOF_SPEAKER_AMP_PRESENT |
615 					SOF_MAX98357A_SPEAKER_AMP_PRESENT |
616 					SOF_CS42L42_SSP_AMP(1)) |
617 					SOF_CS42L42_DAILINK(LINK_SPK, LINK_HP, LINK_DMIC, LINK_HDMI, LINK_NONE),
618 	},
619 	{
620 		.name = "jsl_cs4242_mx98360a",
621 		.driver_data = (kernel_ulong_t)(SOF_CS42L42_SSP_CODEC(0) |
622 					SOF_SPEAKER_AMP_PRESENT |
623 					SOF_MAX98360A_SPEAKER_AMP_PRESENT |
624 					SOF_CS42L42_SSP_AMP(1)) |
625 					SOF_CS42L42_DAILINK(LINK_HP, LINK_DMIC, LINK_HDMI, LINK_SPK, LINK_NONE),
626 	},
627 	{ }
628 };
629 MODULE_DEVICE_TABLE(platform, board_ids);
630 
631 static struct platform_driver sof_audio = {
632 	.probe = sof_audio_probe,
633 	.driver = {
634 		.name = "sof_cs42l42",
635 		.pm = &snd_soc_pm_ops,
636 	},
637 	.id_table = board_ids,
638 };
639 module_platform_driver(sof_audio)
640 
641 /* Module information */
642 MODULE_DESCRIPTION("SOF Audio Machine driver for CS42L42");
643 MODULE_AUTHOR("Brent Lu <brent.lu@intel.com>");
644 MODULE_LICENSE("GPL");
645 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
646 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_MAXIM_COMMON);
647