1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright(c) 2021 Intel Corporation.
3 
4 /*
5  * Intel SOF Machine Driver with es8336 Codec
6  */
7 
8 #include <linux/device.h>
9 #include <linux/dmi.h>
10 #include <linux/gpio/consumer.h>
11 #include <linux/gpio/machine.h>
12 #include <linux/i2c.h>
13 #include <linux/input.h>
14 #include <linux/module.h>
15 #include <linux/platform_device.h>
16 #include <linux/slab.h>
17 #include <sound/jack.h>
18 #include <sound/pcm.h>
19 #include <sound/pcm_params.h>
20 #include <sound/soc.h>
21 #include <sound/soc-acpi.h>
22 #include "hda_dsp_common.h"
23 
24 /* jd-inv + terminating entry */
25 #define MAX_NO_PROPS 2
26 
27 #define SOF_ES8336_SSP_CODEC(quirk)		((quirk) & GENMASK(3, 0))
28 #define SOF_ES8336_SSP_CODEC_MASK		(GENMASK(3, 0))
29 
30 #define SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK	BIT(4)
31 
32 /* HDMI capture*/
33 #define SOF_SSP_HDMI_CAPTURE_PRESENT		BIT(14)
34 #define SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT		15
35 #define SOF_NO_OF_HDMI_CAPTURE_SSP_MASK		(GENMASK(16, 15))
36 #define SOF_NO_OF_HDMI_CAPTURE_SSP(quirk)	\
37 	(((quirk) << SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT) & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK)
38 
39 #define SOF_HDMI_CAPTURE_1_SSP_SHIFT		7
40 #define SOF_HDMI_CAPTURE_1_SSP_MASK		(GENMASK(9, 7))
41 #define SOF_HDMI_CAPTURE_1_SSP(quirk)	\
42 	(((quirk) << SOF_HDMI_CAPTURE_1_SSP_SHIFT) & SOF_HDMI_CAPTURE_1_SSP_MASK)
43 
44 #define SOF_HDMI_CAPTURE_2_SSP_SHIFT		10
45 #define SOF_HDMI_CAPTURE_2_SSP_MASK		(GENMASK(12, 10))
46 #define SOF_HDMI_CAPTURE_2_SSP(quirk)	\
47 	(((quirk) << SOF_HDMI_CAPTURE_2_SSP_SHIFT) & SOF_HDMI_CAPTURE_2_SSP_MASK)
48 
49 #define SOF_ES8336_ENABLE_DMIC			BIT(5)
50 #define SOF_ES8336_JD_INVERTED			BIT(6)
51 #define SOF_ES8336_HEADPHONE_GPIO		BIT(7)
52 #define SOC_ES8336_HEADSET_MIC1			BIT(8)
53 
54 static unsigned long quirk;
55 
56 static int quirk_override = -1;
57 module_param_named(quirk, quirk_override, int, 0444);
58 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
59 
60 struct sof_es8336_private {
61 	struct device *codec_dev;
62 	struct gpio_desc *gpio_speakers, *gpio_headphone;
63 	struct snd_soc_jack jack;
64 	struct list_head hdmi_pcm_list;
65 	bool speaker_en;
66 	struct delayed_work pcm_pop_work;
67 };
68 
69 struct sof_hdmi_pcm {
70 	struct list_head head;
71 	struct snd_soc_dai *codec_dai;
72 	int device;
73 };
74 
75 static const struct acpi_gpio_params enable_gpio0 = { 0, 0, true };
76 static const struct acpi_gpio_params enable_gpio1 = { 1, 0, true };
77 
78 static const struct acpi_gpio_mapping acpi_speakers_enable_gpio0[] = {
79 	{ "speakers-enable-gpios", &enable_gpio0, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
80 	{ }
81 };
82 
83 static const struct acpi_gpio_mapping acpi_speakers_enable_gpio1[] = {
84 	{ "speakers-enable-gpios", &enable_gpio1, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
85 };
86 
87 static const struct acpi_gpio_mapping acpi_enable_both_gpios[] = {
88 	{ "speakers-enable-gpios", &enable_gpio0, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
89 	{ "headphone-enable-gpios", &enable_gpio1, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
90 	{ }
91 };
92 
93 static const struct acpi_gpio_mapping acpi_enable_both_gpios_rev_order[] = {
94 	{ "speakers-enable-gpios", &enable_gpio1, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
95 	{ "headphone-enable-gpios", &enable_gpio0, 1, ACPI_GPIO_QUIRK_ONLY_GPIOIO },
96 	{ }
97 };
98 
log_quirks(struct device * dev)99 static void log_quirks(struct device *dev)
100 {
101 	dev_info(dev, "quirk mask %#lx\n", quirk);
102 	dev_info(dev, "quirk SSP%ld\n",  SOF_ES8336_SSP_CODEC(quirk));
103 	if (quirk & SOF_ES8336_ENABLE_DMIC)
104 		dev_info(dev, "quirk DMIC enabled\n");
105 	if (quirk & SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK)
106 		dev_info(dev, "Speakers GPIO1 quirk enabled\n");
107 	if (quirk & SOF_ES8336_HEADPHONE_GPIO)
108 		dev_info(dev, "quirk headphone GPIO enabled\n");
109 	if (quirk & SOF_ES8336_JD_INVERTED)
110 		dev_info(dev, "quirk JD inverted enabled\n");
111 	if (quirk & SOC_ES8336_HEADSET_MIC1)
112 		dev_info(dev, "quirk headset at mic1 port enabled\n");
113 }
114 
pcm_pop_work_events(struct work_struct * work)115 static void pcm_pop_work_events(struct work_struct *work)
116 {
117 	struct sof_es8336_private *priv =
118 		container_of(work, struct sof_es8336_private, pcm_pop_work.work);
119 
120 	gpiod_set_value_cansleep(priv->gpio_speakers, priv->speaker_en);
121 
122 	if (quirk & SOF_ES8336_HEADPHONE_GPIO)
123 		gpiod_set_value_cansleep(priv->gpio_headphone, priv->speaker_en);
124 
125 }
126 
sof_8336_trigger(struct snd_pcm_substream * substream,int cmd)127 static int sof_8336_trigger(struct snd_pcm_substream *substream, int cmd)
128 {
129 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
130 	struct snd_soc_card *card = rtd->card;
131 	struct sof_es8336_private *priv = snd_soc_card_get_drvdata(card);
132 
133 	switch (cmd) {
134 	case SNDRV_PCM_TRIGGER_START:
135 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
136 	case SNDRV_PCM_TRIGGER_RESUME:
137 		break;
138 
139 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
140 	case SNDRV_PCM_TRIGGER_SUSPEND:
141 	case SNDRV_PCM_TRIGGER_STOP:
142 		if (priv->speaker_en == false)
143 			if (substream->stream == 0) {
144 				cancel_delayed_work(&priv->pcm_pop_work);
145 				gpiod_set_value_cansleep(priv->gpio_speakers, true);
146 			}
147 		break;
148 	default:
149 		return -EINVAL;
150 	}
151 
152 	return 0;
153 }
154 
sof_es8316_speaker_power_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)155 static int sof_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
156 					  struct snd_kcontrol *kcontrol, int event)
157 {
158 	struct snd_soc_card *card = w->dapm->card;
159 	struct sof_es8336_private *priv = snd_soc_card_get_drvdata(card);
160 
161 	if (priv->speaker_en == !SND_SOC_DAPM_EVENT_ON(event))
162 		return 0;
163 
164 	priv->speaker_en = !SND_SOC_DAPM_EVENT_ON(event);
165 
166 	queue_delayed_work(system_wq, &priv->pcm_pop_work, msecs_to_jiffies(70));
167 	return 0;
168 }
169 
170 static const struct snd_soc_dapm_widget sof_es8316_widgets[] = {
171 	SND_SOC_DAPM_SPK("Speaker", NULL),
172 	SND_SOC_DAPM_HP("Headphone", NULL),
173 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
174 	SND_SOC_DAPM_MIC("Internal Mic", NULL),
175 
176 	SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
177 			    sof_es8316_speaker_power_event,
178 			    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
179 };
180 
181 static const struct snd_soc_dapm_widget dmic_widgets[] = {
182 	SND_SOC_DAPM_MIC("SoC DMIC", NULL),
183 };
184 
185 static const struct snd_soc_dapm_route sof_es8316_audio_map[] = {
186 	{"Headphone", NULL, "HPOL"},
187 	{"Headphone", NULL, "HPOR"},
188 
189 	/*
190 	 * There is no separate speaker output instead the speakers are muxed to
191 	 * the HP outputs. The mux is controlled Speaker and/or headphone switch.
192 	 */
193 	{"Speaker", NULL, "HPOL"},
194 	{"Speaker", NULL, "HPOR"},
195 	{"Speaker", NULL, "Speaker Power"},
196 };
197 
198 static const struct snd_soc_dapm_route sof_es8316_headset_mic2_map[] = {
199 	{"MIC1", NULL, "Internal Mic"},
200 	{"MIC2", NULL, "Headset Mic"},
201 };
202 
203 static const struct snd_soc_dapm_route sof_es8316_headset_mic1_map[] = {
204 	{"MIC2", NULL, "Internal Mic"},
205 	{"MIC1", NULL, "Headset Mic"},
206 };
207 
208 static const struct snd_soc_dapm_route dmic_map[] = {
209 	/* digital mics */
210 	{"DMic", NULL, "SoC DMIC"},
211 };
212 
213 static const struct snd_kcontrol_new sof_es8316_controls[] = {
214 	SOC_DAPM_PIN_SWITCH("Speaker"),
215 	SOC_DAPM_PIN_SWITCH("Headphone"),
216 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
217 	SOC_DAPM_PIN_SWITCH("Internal Mic"),
218 };
219 
220 static struct snd_soc_jack_pin sof_es8316_jack_pins[] = {
221 	{
222 		.pin	= "Headphone",
223 		.mask	= SND_JACK_HEADPHONE,
224 	},
225 	{
226 		.pin	= "Headset Mic",
227 		.mask	= SND_JACK_MICROPHONE,
228 	},
229 };
230 
dmic_init(struct snd_soc_pcm_runtime * runtime)231 static int dmic_init(struct snd_soc_pcm_runtime *runtime)
232 {
233 	struct snd_soc_card *card = runtime->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 		return ret;
241 	}
242 
243 	ret = snd_soc_dapm_add_routes(&card->dapm, dmic_map,
244 				      ARRAY_SIZE(dmic_map));
245 	if (ret)
246 		dev_err(card->dev, "DMic map addition failed: %d\n", ret);
247 
248 	return ret;
249 }
250 
sof_hdmi_init(struct snd_soc_pcm_runtime * runtime)251 static int sof_hdmi_init(struct snd_soc_pcm_runtime *runtime)
252 {
253 	struct sof_es8336_private *priv = snd_soc_card_get_drvdata(runtime->card);
254 	struct snd_soc_dai *dai = asoc_rtd_to_codec(runtime, 0);
255 	struct sof_hdmi_pcm *pcm;
256 
257 	pcm = devm_kzalloc(runtime->card->dev, sizeof(*pcm), GFP_KERNEL);
258 	if (!pcm)
259 		return -ENOMEM;
260 
261 	/* dai_link id is 1:1 mapped to the PCM device */
262 	pcm->device = runtime->dai_link->id;
263 	pcm->codec_dai = dai;
264 
265 	list_add_tail(&pcm->head, &priv->hdmi_pcm_list);
266 
267 	return 0;
268 }
269 
sof_es8316_init(struct snd_soc_pcm_runtime * runtime)270 static int sof_es8316_init(struct snd_soc_pcm_runtime *runtime)
271 {
272 	struct snd_soc_component *codec = asoc_rtd_to_codec(runtime, 0)->component;
273 	struct snd_soc_card *card = runtime->card;
274 	struct sof_es8336_private *priv = snd_soc_card_get_drvdata(card);
275 	const struct snd_soc_dapm_route *custom_map;
276 	int num_routes;
277 	int ret;
278 
279 	card->dapm.idle_bias_off = true;
280 
281 	if (quirk & SOC_ES8336_HEADSET_MIC1) {
282 		custom_map = sof_es8316_headset_mic1_map;
283 		num_routes = ARRAY_SIZE(sof_es8316_headset_mic1_map);
284 	} else {
285 		custom_map = sof_es8316_headset_mic2_map;
286 		num_routes = ARRAY_SIZE(sof_es8316_headset_mic2_map);
287 	}
288 
289 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
290 	if (ret)
291 		return ret;
292 
293 	ret = snd_soc_card_jack_new_pins(card, "Headset",
294 					 SND_JACK_HEADSET | SND_JACK_BTN_0,
295 					 &priv->jack, sof_es8316_jack_pins,
296 					 ARRAY_SIZE(sof_es8316_jack_pins));
297 	if (ret) {
298 		dev_err(card->dev, "jack creation failed %d\n", ret);
299 		return ret;
300 	}
301 
302 	snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
303 
304 	snd_soc_component_set_jack(codec, &priv->jack, NULL);
305 
306 	return 0;
307 }
308 
sof_es8316_exit(struct snd_soc_pcm_runtime * rtd)309 static void sof_es8316_exit(struct snd_soc_pcm_runtime *rtd)
310 {
311 	struct snd_soc_component *component = asoc_rtd_to_codec(rtd, 0)->component;
312 
313 	snd_soc_component_set_jack(component, NULL, NULL);
314 }
315 
sof_es8336_quirk_cb(const struct dmi_system_id * id)316 static int sof_es8336_quirk_cb(const struct dmi_system_id *id)
317 {
318 	quirk = (unsigned long)id->driver_data;
319 
320 	return 1;
321 }
322 
323 /*
324  * this table should only be used to add GPIO or jack-detection quirks
325  * that cannot be detected from ACPI tables. The SSP and DMIC
326  * information are providing by the platform driver and are aligned
327  * with the topology used.
328  *
329  * If the GPIO support is missing, the quirk parameter can be used to
330  * enable speakers. In that case it's recommended to keep the SSP and DMIC
331  * information consistent, overriding the SSP and DMIC can only be done
332  * if the topology file is modified as well.
333  */
334 static const struct dmi_system_id sof_es8336_quirk_table[] = {
335 	{
336 		.callback = sof_es8336_quirk_cb,
337 		.matches = {
338 			DMI_MATCH(DMI_SYS_VENDOR, "IP3 tech"),
339 			DMI_MATCH(DMI_BOARD_NAME, "WN1"),
340 		},
341 		.driver_data = (void *)(SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK)
342 	},
343 	{
344 		.callback = sof_es8336_quirk_cb,
345 		.matches = {
346 			DMI_MATCH(DMI_SYS_VENDOR, "HUAWEI"),
347 			DMI_MATCH(DMI_BOARD_NAME, "BOHB-WAX9-PCB-B2"),
348 		},
349 		.driver_data = (void *)(SOF_ES8336_HEADPHONE_GPIO |
350 					SOC_ES8336_HEADSET_MIC1)
351 	},
352 	{}
353 };
354 
sof_es8336_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params)355 static int sof_es8336_hw_params(struct snd_pcm_substream *substream,
356 				struct snd_pcm_hw_params *params)
357 {
358 	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
359 	struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
360 	const int sysclk = 19200000;
361 	int ret;
362 
363 	ret = snd_soc_dai_set_sysclk(codec_dai, 1, sysclk, SND_SOC_CLOCK_OUT);
364 	if (ret < 0) {
365 		dev_err(rtd->dev, "%s, Failed to set ES8336 SYSCLK: %d\n",
366 			__func__, ret);
367 		return ret;
368 	}
369 
370 	return 0;
371 }
372 
373 /* machine stream operations */
374 static struct snd_soc_ops sof_es8336_ops = {
375 	.hw_params = sof_es8336_hw_params,
376 	.trigger = sof_8336_trigger,
377 };
378 
379 static struct snd_soc_dai_link_component platform_component[] = {
380 	{
381 		/* name might be overridden during probe */
382 		.name = "0000:00:1f.3"
383 	}
384 };
385 
386 SND_SOC_DAILINK_DEF(es8336_codec,
387 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8336:00", "ES8316 HiFi")));
388 
389 static struct snd_soc_dai_link_component dmic_component[] = {
390 	{
391 		.name = "dmic-codec",
392 		.dai_name = "dmic-hifi",
393 	}
394 };
395 
sof_es8336_late_probe(struct snd_soc_card * card)396 static int sof_es8336_late_probe(struct snd_soc_card *card)
397 {
398 	struct sof_es8336_private *priv = snd_soc_card_get_drvdata(card);
399 	struct sof_hdmi_pcm *pcm;
400 
401 	if (list_empty(&priv->hdmi_pcm_list))
402 		return -ENOENT;
403 
404 	pcm = list_first_entry(&priv->hdmi_pcm_list, struct sof_hdmi_pcm, head);
405 
406 	return hda_dsp_hdmi_build_controls(card, pcm->codec_dai->component);
407 }
408 
409 /* SoC card */
410 static struct snd_soc_card sof_es8336_card = {
411 	.name = "essx8336", /* sof- prefix added automatically */
412 	.owner = THIS_MODULE,
413 	.dapm_widgets = sof_es8316_widgets,
414 	.num_dapm_widgets = ARRAY_SIZE(sof_es8316_widgets),
415 	.dapm_routes = sof_es8316_audio_map,
416 	.num_dapm_routes = ARRAY_SIZE(sof_es8316_audio_map),
417 	.controls = sof_es8316_controls,
418 	.num_controls = ARRAY_SIZE(sof_es8316_controls),
419 	.fully_routed = true,
420 	.late_probe = sof_es8336_late_probe,
421 	.num_links = 1,
422 };
423 
sof_card_dai_links_create(struct device * dev,int ssp_codec,int dmic_be_num,int hdmi_num)424 static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
425 							  int ssp_codec,
426 							  int dmic_be_num,
427 							  int hdmi_num)
428 {
429 	struct snd_soc_dai_link_component *cpus;
430 	struct snd_soc_dai_link *links;
431 	struct snd_soc_dai_link_component *idisp_components;
432 	int hdmi_id_offset = 0;
433 	int id = 0;
434 	int i;
435 
436 	links = devm_kcalloc(dev, sof_es8336_card.num_links,
437 			     sizeof(struct snd_soc_dai_link), GFP_KERNEL);
438 	cpus = devm_kcalloc(dev, sof_es8336_card.num_links,
439 			    sizeof(struct snd_soc_dai_link_component), GFP_KERNEL);
440 	if (!links || !cpus)
441 		goto devm_err;
442 
443 	/* codec SSP */
444 	links[id].name = devm_kasprintf(dev, GFP_KERNEL,
445 					"SSP%d-Codec", ssp_codec);
446 	if (!links[id].name)
447 		goto devm_err;
448 
449 	links[id].id = id;
450 	links[id].codecs = es8336_codec;
451 	links[id].num_codecs = ARRAY_SIZE(es8336_codec);
452 	links[id].platforms = platform_component;
453 	links[id].num_platforms = ARRAY_SIZE(platform_component);
454 	links[id].init = sof_es8316_init;
455 	links[id].exit = sof_es8316_exit;
456 	links[id].ops = &sof_es8336_ops;
457 	links[id].nonatomic = true;
458 	links[id].dpcm_playback = 1;
459 	links[id].dpcm_capture = 1;
460 	links[id].no_pcm = 1;
461 	links[id].cpus = &cpus[id];
462 	links[id].num_cpus = 1;
463 
464 	links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
465 						  "SSP%d Pin",
466 						  ssp_codec);
467 	if (!links[id].cpus->dai_name)
468 		goto devm_err;
469 
470 	id++;
471 
472 	/* dmic */
473 	if (dmic_be_num > 0) {
474 		/* at least we have dmic01 */
475 		links[id].name = "dmic01";
476 		links[id].cpus = &cpus[id];
477 		links[id].cpus->dai_name = "DMIC01 Pin";
478 		links[id].init = dmic_init;
479 		if (dmic_be_num > 1) {
480 			/* set up 2 BE links at most */
481 			links[id + 1].name = "dmic16k";
482 			links[id + 1].cpus = &cpus[id + 1];
483 			links[id + 1].cpus->dai_name = "DMIC16k Pin";
484 			dmic_be_num = 2;
485 		}
486 	} else {
487 		/* HDMI dai link starts at 3 according to current topology settings */
488 		hdmi_id_offset = 2;
489 	}
490 
491 	for (i = 0; i < dmic_be_num; i++) {
492 		links[id].id = id;
493 		links[id].num_cpus = 1;
494 		links[id].codecs = dmic_component;
495 		links[id].num_codecs = ARRAY_SIZE(dmic_component);
496 		links[id].platforms = platform_component;
497 		links[id].num_platforms = ARRAY_SIZE(platform_component);
498 		links[id].ignore_suspend = 1;
499 		links[id].dpcm_capture = 1;
500 		links[id].no_pcm = 1;
501 
502 		id++;
503 	}
504 
505 	/* HDMI */
506 	if (hdmi_num > 0) {
507 		idisp_components = devm_kcalloc(dev,
508 						hdmi_num,
509 						sizeof(struct snd_soc_dai_link_component),
510 						GFP_KERNEL);
511 		if (!idisp_components)
512 			goto devm_err;
513 	}
514 
515 	for (i = 1; i <= hdmi_num; i++) {
516 		links[id].name = devm_kasprintf(dev, GFP_KERNEL,
517 						"iDisp%d", i);
518 		if (!links[id].name)
519 			goto devm_err;
520 
521 		links[id].id = id + hdmi_id_offset;
522 		links[id].cpus = &cpus[id];
523 		links[id].num_cpus = 1;
524 		links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
525 							  "iDisp%d Pin", i);
526 		if (!links[id].cpus->dai_name)
527 			goto devm_err;
528 
529 		idisp_components[i - 1].name = "ehdaudio0D2";
530 		idisp_components[i - 1].dai_name = devm_kasprintf(dev,
531 								  GFP_KERNEL,
532 								  "intel-hdmi-hifi%d",
533 								  i);
534 		if (!idisp_components[i - 1].dai_name)
535 			goto devm_err;
536 
537 		links[id].codecs = &idisp_components[i - 1];
538 		links[id].num_codecs = 1;
539 		links[id].platforms = platform_component;
540 		links[id].num_platforms = ARRAY_SIZE(platform_component);
541 		links[id].init = sof_hdmi_init;
542 		links[id].dpcm_playback = 1;
543 		links[id].no_pcm = 1;
544 
545 		id++;
546 	}
547 
548 	/* HDMI-In SSP */
549 	if (quirk & SOF_SSP_HDMI_CAPTURE_PRESENT) {
550 		int num_of_hdmi_ssp = (quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
551 				SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;
552 
553 		for (i = 1; i <= num_of_hdmi_ssp; i++) {
554 			int port = (i == 1 ? (quirk & SOF_HDMI_CAPTURE_1_SSP_MASK) >>
555 						SOF_HDMI_CAPTURE_1_SSP_SHIFT :
556 						(quirk & SOF_HDMI_CAPTURE_2_SSP_MASK) >>
557 						SOF_HDMI_CAPTURE_2_SSP_SHIFT);
558 
559 			links[id].cpus = &cpus[id];
560 			links[id].cpus->dai_name = devm_kasprintf(dev, GFP_KERNEL,
561 								  "SSP%d Pin", port);
562 			if (!links[id].cpus->dai_name)
563 				return NULL;
564 			links[id].name = devm_kasprintf(dev, GFP_KERNEL, "SSP%d-HDMI", port);
565 			if (!links[id].name)
566 				return NULL;
567 			links[id].id = id + hdmi_id_offset;
568 			links[id].codecs = &asoc_dummy_dlc;
569 			links[id].num_codecs = 1;
570 			links[id].platforms = platform_component;
571 			links[id].num_platforms = ARRAY_SIZE(platform_component);
572 			links[id].dpcm_capture = 1;
573 			links[id].no_pcm = 1;
574 			links[id].num_cpus = 1;
575 			id++;
576 		}
577 	}
578 
579 	return links;
580 
581 devm_err:
582 	return NULL;
583 }
584 
585 static char soc_components[30];
586 
587  /* i2c-<HID>:00 with HID being 8 chars */
588 static char codec_name[SND_ACPI_I2C_ID_LEN];
589 
sof_es8336_probe(struct platform_device * pdev)590 static int sof_es8336_probe(struct platform_device *pdev)
591 {
592 	struct device *dev = &pdev->dev;
593 	struct snd_soc_card *card;
594 	struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
595 	struct property_entry props[MAX_NO_PROPS] = {};
596 	struct sof_es8336_private *priv;
597 	struct fwnode_handle *fwnode;
598 	struct acpi_device *adev;
599 	struct snd_soc_dai_link *dai_links;
600 	struct device *codec_dev;
601 	const struct acpi_gpio_mapping *gpio_mapping;
602 	unsigned int cnt = 0;
603 	int dmic_be_num = 0;
604 	int hdmi_num = 3;
605 	int ret;
606 
607 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
608 	if (!priv)
609 		return -ENOMEM;
610 
611 	card = &sof_es8336_card;
612 	card->dev = dev;
613 
614 	if (pdev->id_entry && pdev->id_entry->driver_data)
615 		quirk = (unsigned long)pdev->id_entry->driver_data;
616 
617 	/* check GPIO DMI quirks */
618 	dmi_check_system(sof_es8336_quirk_table);
619 
620 	/* Use NHLT configuration only for Non-HDMI capture use case.
621 	 * Because more than one SSP will be enabled for HDMI capture hence wrong codec
622 	 * SSP will be set.
623 	 */
624 	if (mach->tplg_quirk_mask & SND_SOC_ACPI_TPLG_INTEL_SSP_NUMBER) {
625 		if (!mach->mach_params.i2s_link_mask) {
626 			dev_warn(dev, "No I2S link information provided, using SSP0. This may need to be modified with the quirk module parameter\n");
627 		} else {
628 			/*
629 			 * Set configuration based on platform NHLT.
630 			 * In this machine driver, we can only support one SSP for the
631 			 * ES8336 link.
632 			 * In some cases multiple SSPs can be reported by NHLT, starting MSB-first
633 			 * seems to pick the right connection.
634 			 */
635 			unsigned long ssp;
636 
637 			/* fls returns 1-based results, SSPs indices are 0-based */
638 			ssp = fls(mach->mach_params.i2s_link_mask) - 1;
639 
640 			quirk |= ssp;
641 		}
642 	}
643 
644 	if (mach->mach_params.dmic_num)
645 		quirk |= SOF_ES8336_ENABLE_DMIC;
646 
647 	if (quirk_override != -1) {
648 		dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n",
649 			 quirk, quirk_override);
650 		quirk = quirk_override;
651 	}
652 	log_quirks(dev);
653 
654 	if (quirk & SOF_ES8336_ENABLE_DMIC)
655 		dmic_be_num = 2;
656 
657 	/* compute number of dai links */
658 	sof_es8336_card.num_links = 1 + dmic_be_num + hdmi_num;
659 
660 	if (quirk & SOF_SSP_HDMI_CAPTURE_PRESENT)
661 		sof_es8336_card.num_links += (quirk & SOF_NO_OF_HDMI_CAPTURE_SSP_MASK) >>
662 				SOF_NO_OF_HDMI_CAPTURE_SSP_SHIFT;
663 
664 	dai_links = sof_card_dai_links_create(dev,
665 					      SOF_ES8336_SSP_CODEC(quirk),
666 					      dmic_be_num, hdmi_num);
667 	if (!dai_links)
668 		return -ENOMEM;
669 
670 	sof_es8336_card.dai_link = dai_links;
671 
672 	/* fixup codec name based on HID */
673 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
674 	if (adev) {
675 		snprintf(codec_name, sizeof(codec_name),
676 			 "i2c-%s", acpi_dev_name(adev));
677 		dai_links[0].codecs->name = codec_name;
678 
679 		/* also fixup codec dai name if relevant */
680 		if (!strncmp(mach->id, "ESSX8326", SND_ACPI_I2C_ID_LEN))
681 			dai_links[0].codecs->dai_name = "ES8326 HiFi";
682 	} else {
683 		dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
684 		return -ENXIO;
685 	}
686 
687 	codec_dev = acpi_get_first_physical_node(adev);
688 	acpi_dev_put(adev);
689 	if (!codec_dev)
690 		return -EPROBE_DEFER;
691 	priv->codec_dev = get_device(codec_dev);
692 
693 	ret = snd_soc_fixup_dai_links_platform_name(&sof_es8336_card,
694 						    mach->mach_params.platform);
695 	if (ret) {
696 		put_device(codec_dev);
697 		return ret;
698 	}
699 
700 	if (quirk & SOF_ES8336_JD_INVERTED)
701 		props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
702 
703 	if (cnt) {
704 		fwnode = fwnode_create_software_node(props, NULL);
705 		if (IS_ERR(fwnode)) {
706 			put_device(codec_dev);
707 			return PTR_ERR(fwnode);
708 		}
709 
710 		ret = device_add_software_node(codec_dev, to_software_node(fwnode));
711 
712 		fwnode_handle_put(fwnode);
713 
714 		if (ret) {
715 			put_device(codec_dev);
716 			return ret;
717 		}
718 	}
719 
720 	/* get speaker enable GPIO */
721 	if (quirk & SOF_ES8336_HEADPHONE_GPIO) {
722 		if (quirk & SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK)
723 			gpio_mapping = acpi_enable_both_gpios;
724 		else
725 			gpio_mapping = acpi_enable_both_gpios_rev_order;
726 	} else if (quirk & SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK) {
727 		gpio_mapping = acpi_speakers_enable_gpio1;
728 	} else {
729 		gpio_mapping = acpi_speakers_enable_gpio0;
730 	}
731 
732 	ret = devm_acpi_dev_add_driver_gpios(codec_dev, gpio_mapping);
733 	if (ret)
734 		dev_warn(codec_dev, "unable to add GPIO mapping table\n");
735 
736 	priv->gpio_speakers = gpiod_get_optional(codec_dev, "speakers-enable", GPIOD_OUT_LOW);
737 	if (IS_ERR(priv->gpio_speakers)) {
738 		ret = dev_err_probe(dev, PTR_ERR(priv->gpio_speakers),
739 				    "could not get speakers-enable GPIO\n");
740 		goto err_put_codec;
741 	}
742 
743 	priv->gpio_headphone = gpiod_get_optional(codec_dev, "headphone-enable", GPIOD_OUT_LOW);
744 	if (IS_ERR(priv->gpio_headphone)) {
745 		ret = dev_err_probe(dev, PTR_ERR(priv->gpio_headphone),
746 				    "could not get headphone-enable GPIO\n");
747 		goto err_put_codec;
748 	}
749 
750 	INIT_LIST_HEAD(&priv->hdmi_pcm_list);
751 	INIT_DELAYED_WORK(&priv->pcm_pop_work,
752 				pcm_pop_work_events);
753 	snd_soc_card_set_drvdata(card, priv);
754 
755 	if (mach->mach_params.dmic_num > 0) {
756 		snprintf(soc_components, sizeof(soc_components),
757 			 "cfg-dmics:%d", mach->mach_params.dmic_num);
758 		card->components = soc_components;
759 	}
760 
761 	ret = devm_snd_soc_register_card(dev, card);
762 	if (ret) {
763 		gpiod_put(priv->gpio_speakers);
764 		dev_err(dev, "snd_soc_register_card failed: %d\n", ret);
765 		goto err_put_codec;
766 	}
767 	platform_set_drvdata(pdev, &sof_es8336_card);
768 	return 0;
769 
770 err_put_codec:
771 	device_remove_software_node(priv->codec_dev);
772 	put_device(codec_dev);
773 	return ret;
774 }
775 
sof_es8336_remove(struct platform_device * pdev)776 static void sof_es8336_remove(struct platform_device *pdev)
777 {
778 	struct snd_soc_card *card = platform_get_drvdata(pdev);
779 	struct sof_es8336_private *priv = snd_soc_card_get_drvdata(card);
780 
781 	cancel_delayed_work_sync(&priv->pcm_pop_work);
782 	gpiod_put(priv->gpio_speakers);
783 	device_remove_software_node(priv->codec_dev);
784 	put_device(priv->codec_dev);
785 }
786 
787 static const struct platform_device_id board_ids[] = {
788 	{
789 		.name = "sof-essx8336", /* default quirk == 0 */
790 	},
791 	{
792 		.name = "adl_es83x6_c1_h02",
793 		.driver_data = (kernel_ulong_t)(SOF_ES8336_SSP_CODEC(1) |
794 					SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
795 					SOF_HDMI_CAPTURE_1_SSP(0) |
796 					SOF_HDMI_CAPTURE_2_SSP(2) |
797 					SOF_SSP_HDMI_CAPTURE_PRESENT |
798 					SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK |
799 					SOF_ES8336_JD_INVERTED),
800 	},
801 	{
802 		.name = "rpl_es83x6_c1_h02",
803 		.driver_data = (kernel_ulong_t)(SOF_ES8336_SSP_CODEC(1) |
804 					SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
805 					SOF_HDMI_CAPTURE_1_SSP(0) |
806 					SOF_HDMI_CAPTURE_2_SSP(2) |
807 					SOF_SSP_HDMI_CAPTURE_PRESENT |
808 					SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK |
809 					SOF_ES8336_JD_INVERTED),
810 	},
811 	{
812 		.name = "mtl_es83x6_c1_h02",
813 		.driver_data = (kernel_ulong_t)(SOF_ES8336_SSP_CODEC(1) |
814 					SOF_NO_OF_HDMI_CAPTURE_SSP(2) |
815 					SOF_HDMI_CAPTURE_1_SSP(0) |
816 					SOF_HDMI_CAPTURE_2_SSP(2) |
817 					SOF_SSP_HDMI_CAPTURE_PRESENT |
818 					SOF_ES8336_SPEAKERS_EN_GPIO1_QUIRK |
819 					SOF_ES8336_JD_INVERTED),
820 	},
821 	{ }
822 };
823 MODULE_DEVICE_TABLE(platform, board_ids);
824 
825 static struct platform_driver sof_es8336_driver = {
826 	.driver = {
827 		.name = "sof-essx8336",
828 		.pm = &snd_soc_pm_ops,
829 	},
830 	.probe = sof_es8336_probe,
831 	.remove_new = sof_es8336_remove,
832 	.id_table = board_ids,
833 };
834 module_platform_driver(sof_es8336_driver);
835 
836 MODULE_DESCRIPTION("ASoC Intel(R) SOF + ES8336 Machine driver");
837 MODULE_LICENSE("GPL");
838 MODULE_IMPORT_NS(SND_SOC_INTEL_HDA_DSP_COMMON);
839