1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  *  bytcht_es8316.c - ASoc Machine driver for Intel Baytrail/Cherrytrail
4  *                    platforms with Everest ES8316 SoC
5  *
6  *  Copyright (C) 2017 Endless Mobile, Inc.
7  *  Authors: David Yang <yangxiaohua@everest-semi.com>,
8  *           Daniel Drake <drake@endlessm.com>
9  *
10  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
11  *
12  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
13  */
14 #include <linux/acpi.h>
15 #include <linux/clk.h>
16 #include <linux/device.h>
17 #include <linux/dmi.h>
18 #include <linux/gpio/consumer.h>
19 #include <linux/i2c.h>
20 #include <linux/init.h>
21 #include <linux/input.h>
22 #include <linux/module.h>
23 #include <linux/platform_device.h>
24 #include <linux/slab.h>
25 #include <sound/jack.h>
26 #include <sound/pcm.h>
27 #include <sound/pcm_params.h>
28 #include <sound/soc.h>
29 #include <sound/soc-acpi.h>
30 #include "../atom/sst-atom-controls.h"
31 #include "../common/soc-intel-quirks.h"
32 
33 /* jd-inv + terminating entry */
34 #define MAX_NO_PROPS 2
35 
36 struct byt_cht_es8316_private {
37 	struct clk *mclk;
38 	struct snd_soc_jack jack;
39 	struct gpio_desc *speaker_en_gpio;
40 	bool speaker_en;
41 };
42 
43 enum {
44 	BYT_CHT_ES8316_INTMIC_IN1_MAP,
45 	BYT_CHT_ES8316_INTMIC_IN2_MAP,
46 };
47 
48 #define BYT_CHT_ES8316_MAP(quirk)		((quirk) & GENMASK(3, 0))
49 #define BYT_CHT_ES8316_SSP0			BIT(16)
50 #define BYT_CHT_ES8316_MONO_SPEAKER		BIT(17)
51 #define BYT_CHT_ES8316_JD_INVERTED		BIT(18)
52 
53 static unsigned long quirk;
54 
55 static int quirk_override = -1;
56 module_param_named(quirk, quirk_override, int, 0444);
57 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
58 
59 static void log_quirks(struct device *dev)
60 {
61 	if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN1_MAP)
62 		dev_info(dev, "quirk IN1_MAP enabled");
63 	if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN2_MAP)
64 		dev_info(dev, "quirk IN2_MAP enabled");
65 	if (quirk & BYT_CHT_ES8316_SSP0)
66 		dev_info(dev, "quirk SSP0 enabled");
67 	if (quirk & BYT_CHT_ES8316_MONO_SPEAKER)
68 		dev_info(dev, "quirk MONO_SPEAKER enabled\n");
69 	if (quirk & BYT_CHT_ES8316_JD_INVERTED)
70 		dev_info(dev, "quirk JD_INVERTED enabled\n");
71 }
72 
73 static int byt_cht_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
74 	struct snd_kcontrol *kcontrol, int event)
75 {
76 	struct snd_soc_card *card = w->dapm->card;
77 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
78 
79 	if (SND_SOC_DAPM_EVENT_ON(event))
80 		priv->speaker_en = true;
81 	else
82 		priv->speaker_en = false;
83 
84 	gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
85 
86 	return 0;
87 }
88 
89 static const struct snd_soc_dapm_widget byt_cht_es8316_widgets[] = {
90 	SND_SOC_DAPM_SPK("Speaker", NULL),
91 	SND_SOC_DAPM_HP("Headphone", NULL),
92 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
93 	SND_SOC_DAPM_MIC("Internal Mic", NULL),
94 
95 	SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
96 			    byt_cht_es8316_speaker_power_event,
97 			    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
98 };
99 
100 static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = {
101 	{"Headphone", NULL, "HPOL"},
102 	{"Headphone", NULL, "HPOR"},
103 
104 	/*
105 	 * There is no separate speaker output instead the speakers are muxed to
106 	 * the HP outputs. The mux is controlled by the "Speaker Power" supply.
107 	 */
108 	{"Speaker", NULL, "HPOL"},
109 	{"Speaker", NULL, "HPOR"},
110 	{"Speaker", NULL, "Speaker Power"},
111 };
112 
113 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = {
114 	{"MIC1", NULL, "Internal Mic"},
115 	{"MIC2", NULL, "Headset Mic"},
116 };
117 
118 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = {
119 	{"MIC2", NULL, "Internal Mic"},
120 	{"MIC1", NULL, "Headset Mic"},
121 };
122 
123 static const struct snd_soc_dapm_route byt_cht_es8316_ssp0_map[] = {
124 	{"Playback", NULL, "ssp0 Tx"},
125 	{"ssp0 Tx", NULL, "modem_out"},
126 	{"modem_in", NULL, "ssp0 Rx"},
127 	{"ssp0 Rx", NULL, "Capture"},
128 };
129 
130 static const struct snd_soc_dapm_route byt_cht_es8316_ssp2_map[] = {
131 	{"Playback", NULL, "ssp2 Tx"},
132 	{"ssp2 Tx", NULL, "codec_out0"},
133 	{"ssp2 Tx", NULL, "codec_out1"},
134 	{"codec_in0", NULL, "ssp2 Rx" },
135 	{"codec_in1", NULL, "ssp2 Rx" },
136 	{"ssp2 Rx", NULL, "Capture"},
137 };
138 
139 static const struct snd_kcontrol_new byt_cht_es8316_controls[] = {
140 	SOC_DAPM_PIN_SWITCH("Speaker"),
141 	SOC_DAPM_PIN_SWITCH("Headphone"),
142 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
143 	SOC_DAPM_PIN_SWITCH("Internal Mic"),
144 };
145 
146 static struct snd_soc_jack_pin byt_cht_es8316_jack_pins[] = {
147 	{
148 		.pin	= "Headphone",
149 		.mask	= SND_JACK_HEADPHONE,
150 	},
151 	{
152 		.pin	= "Headset Mic",
153 		.mask	= SND_JACK_MICROPHONE,
154 	},
155 };
156 
157 static int byt_cht_es8316_init(struct snd_soc_pcm_runtime *runtime)
158 {
159 	struct snd_soc_component *codec = asoc_rtd_to_codec(runtime, 0)->component;
160 	struct snd_soc_card *card = runtime->card;
161 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
162 	const struct snd_soc_dapm_route *custom_map;
163 	int num_routes;
164 	int ret;
165 
166 	card->dapm.idle_bias_off = true;
167 
168 	switch (BYT_CHT_ES8316_MAP(quirk)) {
169 	case BYT_CHT_ES8316_INTMIC_IN1_MAP:
170 	default:
171 		custom_map = byt_cht_es8316_intmic_in1_map;
172 		num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in1_map);
173 		break;
174 	case BYT_CHT_ES8316_INTMIC_IN2_MAP:
175 		custom_map = byt_cht_es8316_intmic_in2_map;
176 		num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in2_map);
177 		break;
178 	}
179 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
180 	if (ret)
181 		return ret;
182 
183 	if (quirk & BYT_CHT_ES8316_SSP0) {
184 		custom_map = byt_cht_es8316_ssp0_map;
185 		num_routes = ARRAY_SIZE(byt_cht_es8316_ssp0_map);
186 	} else {
187 		custom_map = byt_cht_es8316_ssp2_map;
188 		num_routes = ARRAY_SIZE(byt_cht_es8316_ssp2_map);
189 	}
190 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
191 	if (ret)
192 		return ret;
193 
194 	/*
195 	 * The firmware might enable the clock at boot (this information
196 	 * may or may not be reflected in the enable clock register).
197 	 * To change the rate we must disable the clock first to cover these
198 	 * cases. Due to common clock framework restrictions that do not allow
199 	 * to disable a clock that has not been enabled, we need to enable
200 	 * the clock first.
201 	 */
202 	ret = clk_prepare_enable(priv->mclk);
203 	if (!ret)
204 		clk_disable_unprepare(priv->mclk);
205 
206 	ret = clk_set_rate(priv->mclk, 19200000);
207 	if (ret)
208 		dev_err(card->dev, "unable to set MCLK rate\n");
209 
210 	ret = clk_prepare_enable(priv->mclk);
211 	if (ret)
212 		dev_err(card->dev, "unable to enable MCLK\n");
213 
214 	ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(runtime, 0), 0, 19200000,
215 				     SND_SOC_CLOCK_IN);
216 	if (ret < 0) {
217 		dev_err(card->dev, "can't set codec clock %d\n", ret);
218 		return ret;
219 	}
220 
221 	ret = snd_soc_card_jack_new(card, "Headset",
222 				    SND_JACK_HEADSET | SND_JACK_BTN_0,
223 				    &priv->jack, byt_cht_es8316_jack_pins,
224 				    ARRAY_SIZE(byt_cht_es8316_jack_pins));
225 	if (ret) {
226 		dev_err(card->dev, "jack creation failed %d\n", ret);
227 		return ret;
228 	}
229 
230 	snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
231 	snd_soc_component_set_jack(codec, &priv->jack, NULL);
232 
233 	return 0;
234 }
235 
236 static int byt_cht_es8316_codec_fixup(struct snd_soc_pcm_runtime *rtd,
237 			    struct snd_pcm_hw_params *params)
238 {
239 	struct snd_interval *rate = hw_param_interval(params,
240 			SNDRV_PCM_HW_PARAM_RATE);
241 	struct snd_interval *channels = hw_param_interval(params,
242 						SNDRV_PCM_HW_PARAM_CHANNELS);
243 	int ret, bits;
244 
245 	/* The DSP will covert the FE rate to 48k, stereo */
246 	rate->min = rate->max = 48000;
247 	channels->min = channels->max = 2;
248 
249 	if (quirk & BYT_CHT_ES8316_SSP0) {
250 		/* set SSP0 to 16-bit */
251 		params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
252 		bits = 16;
253 	} else {
254 		/* set SSP2 to 24-bit */
255 		params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
256 		bits = 24;
257 	}
258 
259 	/*
260 	 * Default mode for SSP configuration is TDM 4 slot, override config
261 	 * with explicit setting to I2S 2ch 24-bit. The word length is set with
262 	 * dai_set_tdm_slot() since there is no other API exposed
263 	 */
264 	ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
265 				SND_SOC_DAIFMT_I2S     |
266 				SND_SOC_DAIFMT_NB_NF   |
267 				SND_SOC_DAIFMT_CBS_CFS
268 		);
269 	if (ret < 0) {
270 		dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
271 		return ret;
272 	}
273 
274 	ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits);
275 	if (ret < 0) {
276 		dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
277 		return ret;
278 	}
279 
280 	return 0;
281 }
282 
283 static int byt_cht_es8316_aif1_startup(struct snd_pcm_substream *substream)
284 {
285 	return snd_pcm_hw_constraint_single(substream->runtime,
286 			SNDRV_PCM_HW_PARAM_RATE, 48000);
287 }
288 
289 static const struct snd_soc_ops byt_cht_es8316_aif1_ops = {
290 	.startup = byt_cht_es8316_aif1_startup,
291 };
292 
293 SND_SOC_DAILINK_DEF(dummy,
294 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
295 
296 SND_SOC_DAILINK_DEF(media,
297 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
298 
299 SND_SOC_DAILINK_DEF(deepbuffer,
300 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
301 
302 SND_SOC_DAILINK_DEF(ssp2_port,
303 	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
304 SND_SOC_DAILINK_DEF(ssp2_codec,
305 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi")));
306 
307 SND_SOC_DAILINK_DEF(platform,
308 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
309 
310 static struct snd_soc_dai_link byt_cht_es8316_dais[] = {
311 	[MERR_DPCM_AUDIO] = {
312 		.name = "Audio Port",
313 		.stream_name = "Audio",
314 		.nonatomic = true,
315 		.dynamic = 1,
316 		.dpcm_playback = 1,
317 		.dpcm_capture = 1,
318 		.ops = &byt_cht_es8316_aif1_ops,
319 		SND_SOC_DAILINK_REG(media, dummy, platform),
320 	},
321 
322 	[MERR_DPCM_DEEP_BUFFER] = {
323 		.name = "Deep-Buffer Audio Port",
324 		.stream_name = "Deep-Buffer Audio",
325 		.nonatomic = true,
326 		.dynamic = 1,
327 		.dpcm_playback = 1,
328 		.ops = &byt_cht_es8316_aif1_ops,
329 		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
330 	},
331 
332 		/* back ends */
333 	{
334 		.name = "SSP2-Codec",
335 		.id = 0,
336 		.no_pcm = 1,
337 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
338 						| SND_SOC_DAIFMT_CBS_CFS,
339 		.be_hw_params_fixup = byt_cht_es8316_codec_fixup,
340 		.dpcm_playback = 1,
341 		.dpcm_capture = 1,
342 		.init = byt_cht_es8316_init,
343 		SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
344 	},
345 };
346 
347 
348 /* SoC card */
349 static char codec_name[SND_ACPI_I2C_ID_LEN];
350 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
351 static char long_name[50]; /* = "bytcht-es8316-*-spk-*-mic" */
352 #endif
353 static char components_string[32]; /* = "cfg-spk:* cfg-mic:* */
354 
355 static int byt_cht_es8316_suspend(struct snd_soc_card *card)
356 {
357 	struct snd_soc_component *component;
358 
359 	for_each_card_components(card, component) {
360 		if (!strcmp(component->name, codec_name)) {
361 			dev_dbg(component->dev, "disabling jack detect before suspend\n");
362 			snd_soc_component_set_jack(component, NULL, NULL);
363 			break;
364 		}
365 	}
366 
367 	return 0;
368 }
369 
370 static int byt_cht_es8316_resume(struct snd_soc_card *card)
371 {
372 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
373 	struct snd_soc_component *component;
374 
375 	for_each_card_components(card, component) {
376 		if (!strcmp(component->name, codec_name)) {
377 			dev_dbg(component->dev, "re-enabling jack detect after resume\n");
378 			snd_soc_component_set_jack(component, &priv->jack, NULL);
379 			break;
380 		}
381 	}
382 
383 	/*
384 	 * Some Cherry Trail boards with an ES8316 codec have a bug in their
385 	 * ACPI tables where the MSSL1680 touchscreen's _PS0 and _PS3 methods
386 	 * wrongly also set the speaker-enable GPIO to 1/0. Testing has shown
387 	 * that this really is a bug and the GPIO has no influence on the
388 	 * touchscreen at all.
389 	 *
390 	 * The silead.c touchscreen driver does not support runtime suspend, so
391 	 * the GPIO can only be changed underneath us during a system suspend.
392 	 * This resume() function runs from a pm complete() callback, and thus
393 	 * is guaranteed to run after the touchscreen driver/ACPI-subsys has
394 	 * brought the touchscreen back up again (and thus changed the GPIO).
395 	 *
396 	 * So to work around this we pass GPIOD_FLAGS_BIT_NONEXCLUSIVE when
397 	 * requesting the GPIO and we set its value here to undo any changes
398 	 * done by the touchscreen's broken _PS0 ACPI method.
399 	 */
400 	gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
401 
402 	return 0;
403 }
404 
405 /* use space before codec name to simplify card ID, and simplify driver name */
406 #define SOF_CARD_NAME "bytcht es8316" /* card name will be 'sof-bytcht es8316' */
407 #define SOF_DRIVER_NAME "SOF"
408 
409 #define CARD_NAME "bytcht-es8316"
410 #define DRIVER_NAME NULL /* card name will be used for driver name */
411 
412 static struct snd_soc_card byt_cht_es8316_card = {
413 	.owner = THIS_MODULE,
414 	.dai_link = byt_cht_es8316_dais,
415 	.num_links = ARRAY_SIZE(byt_cht_es8316_dais),
416 	.dapm_widgets = byt_cht_es8316_widgets,
417 	.num_dapm_widgets = ARRAY_SIZE(byt_cht_es8316_widgets),
418 	.dapm_routes = byt_cht_es8316_audio_map,
419 	.num_dapm_routes = ARRAY_SIZE(byt_cht_es8316_audio_map),
420 	.controls = byt_cht_es8316_controls,
421 	.num_controls = ARRAY_SIZE(byt_cht_es8316_controls),
422 	.fully_routed = true,
423 	.suspend_pre = byt_cht_es8316_suspend,
424 	.resume_post = byt_cht_es8316_resume,
425 };
426 
427 static const struct acpi_gpio_params first_gpio = { 0, 0, false };
428 
429 static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = {
430 	{ "speaker-enable-gpios", &first_gpio, 1 },
431 	{ },
432 };
433 
434 /* Please keep this list alphabetically sorted */
435 static const struct dmi_system_id byt_cht_es8316_quirk_table[] = {
436 	{	/* Irbis NB41 */
437 		.matches = {
438 			DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"),
439 			DMI_MATCH(DMI_PRODUCT_NAME, "NB41"),
440 		},
441 		.driver_data = (void *)(BYT_CHT_ES8316_SSP0
442 					| BYT_CHT_ES8316_INTMIC_IN2_MAP
443 					| BYT_CHT_ES8316_JD_INVERTED),
444 	},
445 	{	/* Teclast X98 Plus II */
446 		.matches = {
447 			DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
448 			DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
449 		},
450 		.driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN1_MAP
451 					| BYT_CHT_ES8316_JD_INVERTED),
452 	},
453 	{}
454 };
455 
456 static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
457 {
458 	static const char * const mic_name[] = { "in1", "in2" };
459 	struct property_entry props[MAX_NO_PROPS] = {};
460 	struct byt_cht_es8316_private *priv;
461 	const struct dmi_system_id *dmi_id;
462 	struct device *dev = &pdev->dev;
463 	struct snd_soc_acpi_mach *mach;
464 	const char *platform_name;
465 	struct acpi_device *adev;
466 	struct device *codec_dev;
467 	bool sof_parent;
468 	unsigned int cnt = 0;
469 	int dai_index = 0;
470 	int i;
471 	int ret = 0;
472 
473 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
474 	if (!priv)
475 		return -ENOMEM;
476 
477 	mach = dev->platform_data;
478 	/* fix index of codec dai */
479 	for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) {
480 		if (!strcmp(byt_cht_es8316_dais[i].codecs->name,
481 			    "i2c-ESSX8316:00")) {
482 			dai_index = i;
483 			break;
484 		}
485 	}
486 
487 	/* fixup codec name based on HID */
488 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
489 	if (adev) {
490 		snprintf(codec_name, sizeof(codec_name),
491 			 "i2c-%s", acpi_dev_name(adev));
492 		put_device(&adev->dev);
493 		byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
494 	}
495 
496 	/* override plaform name, if required */
497 	byt_cht_es8316_card.dev = dev;
498 	platform_name = mach->mach_params.platform;
499 
500 	ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card,
501 						    platform_name);
502 	if (ret)
503 		return ret;
504 
505 	/* Check for BYTCR or other platform and setup quirks */
506 	dmi_id = dmi_first_match(byt_cht_es8316_quirk_table);
507 	if (dmi_id) {
508 		quirk = (unsigned long)dmi_id->driver_data;
509 	} else if (soc_intel_is_byt() &&
510 		   mach->mach_params.acpi_ipc_irq_index == 0) {
511 		/* On BYTCR default to SSP0, internal-mic-in2-map, mono-spk */
512 		quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP |
513 			BYT_CHT_ES8316_MONO_SPEAKER;
514 	} else {
515 		/* Others default to internal-mic-in1-map, mono-speaker */
516 		quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP |
517 			BYT_CHT_ES8316_MONO_SPEAKER;
518 	}
519 	if (quirk_override != -1) {
520 		dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n",
521 			 quirk, quirk_override);
522 		quirk = quirk_override;
523 	}
524 	log_quirks(dev);
525 
526 	if (quirk & BYT_CHT_ES8316_SSP0)
527 		byt_cht_es8316_dais[dai_index].cpus->dai_name = "ssp0-port";
528 
529 	/* get the clock */
530 	priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");
531 	if (IS_ERR(priv->mclk)) {
532 		ret = PTR_ERR(priv->mclk);
533 		dev_err(dev, "clk_get pmc_plt_clk_3 failed: %d\n", ret);
534 		return ret;
535 	}
536 
537 	/* get speaker enable GPIO */
538 	codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL, codec_name);
539 	if (!codec_dev)
540 		return -EPROBE_DEFER;
541 
542 	if (quirk & BYT_CHT_ES8316_JD_INVERTED)
543 		props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
544 
545 	if (cnt) {
546 		ret = device_add_properties(codec_dev, props);
547 		if (ret) {
548 			put_device(codec_dev);
549 			return ret;
550 		}
551 	}
552 
553 	devm_acpi_dev_add_driver_gpios(codec_dev, byt_cht_es8316_gpios);
554 	priv->speaker_en_gpio =
555 		gpiod_get_index(codec_dev, "speaker-enable", 0,
556 				/* see comment in byt_cht_es8316_resume */
557 				GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE);
558 	put_device(codec_dev);
559 
560 	if (IS_ERR(priv->speaker_en_gpio)) {
561 		ret = PTR_ERR(priv->speaker_en_gpio);
562 		switch (ret) {
563 		case -ENOENT:
564 			priv->speaker_en_gpio = NULL;
565 			break;
566 		default:
567 			dev_err(dev, "get speaker GPIO failed: %d\n", ret);
568 			fallthrough;
569 		case -EPROBE_DEFER:
570 			return ret;
571 		}
572 	}
573 
574 	snprintf(components_string, sizeof(components_string),
575 		 "cfg-spk:%s cfg-mic:%s",
576 		 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "1" : "2",
577 		 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
578 	byt_cht_es8316_card.components = components_string;
579 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
580 	snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic",
581 		 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo",
582 		 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
583 	byt_cht_es8316_card.long_name = long_name;
584 #endif
585 
586 	sof_parent = snd_soc_acpi_sof_parent(&pdev->dev);
587 
588 	/* set card and driver name */
589 	if (sof_parent) {
590 		byt_cht_es8316_card.name = SOF_CARD_NAME;
591 		byt_cht_es8316_card.driver_name = SOF_DRIVER_NAME;
592 	} else {
593 		byt_cht_es8316_card.name = CARD_NAME;
594 		byt_cht_es8316_card.driver_name = DRIVER_NAME;
595 	}
596 
597 	/* set pm ops */
598 	if (sof_parent)
599 		dev->driver->pm = &snd_soc_pm_ops;
600 
601 	/* register the soc card */
602 	snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);
603 
604 	ret = devm_snd_soc_register_card(dev, &byt_cht_es8316_card);
605 	if (ret) {
606 		gpiod_put(priv->speaker_en_gpio);
607 		dev_err(dev, "snd_soc_register_card failed: %d\n", ret);
608 		return ret;
609 	}
610 	platform_set_drvdata(pdev, &byt_cht_es8316_card);
611 	return 0;
612 }
613 
614 static int snd_byt_cht_es8316_mc_remove(struct platform_device *pdev)
615 {
616 	struct snd_soc_card *card = platform_get_drvdata(pdev);
617 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
618 
619 	gpiod_put(priv->speaker_en_gpio);
620 	return 0;
621 }
622 
623 static struct platform_driver snd_byt_cht_es8316_mc_driver = {
624 	.driver = {
625 		.name = "bytcht_es8316",
626 	},
627 	.probe = snd_byt_cht_es8316_mc_probe,
628 	.remove = snd_byt_cht_es8316_mc_remove,
629 };
630 
631 module_platform_driver(snd_byt_cht_es8316_mc_driver);
632 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
633 MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
634 MODULE_LICENSE("GPL v2");
635 MODULE_ALIAS("platform:bytcht_es8316");
636