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 	struct device *codec_dev;
41 	bool speaker_en;
42 };
43 
44 enum {
45 	BYT_CHT_ES8316_INTMIC_IN1_MAP,
46 	BYT_CHT_ES8316_INTMIC_IN2_MAP,
47 };
48 
49 #define BYT_CHT_ES8316_MAP(quirk)		((quirk) & GENMASK(3, 0))
50 #define BYT_CHT_ES8316_SSP0			BIT(16)
51 #define BYT_CHT_ES8316_MONO_SPEAKER		BIT(17)
52 #define BYT_CHT_ES8316_JD_INVERTED		BIT(18)
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 static void log_quirks(struct device *dev)
61 {
62 	if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN1_MAP)
63 		dev_info(dev, "quirk IN1_MAP enabled");
64 	if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN2_MAP)
65 		dev_info(dev, "quirk IN2_MAP enabled");
66 	if (quirk & BYT_CHT_ES8316_SSP0)
67 		dev_info(dev, "quirk SSP0 enabled");
68 	if (quirk & BYT_CHT_ES8316_MONO_SPEAKER)
69 		dev_info(dev, "quirk MONO_SPEAKER enabled\n");
70 	if (quirk & BYT_CHT_ES8316_JD_INVERTED)
71 		dev_info(dev, "quirk JD_INVERTED enabled\n");
72 }
73 
74 static int byt_cht_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
75 	struct snd_kcontrol *kcontrol, int event)
76 {
77 	struct snd_soc_card *card = w->dapm->card;
78 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
79 
80 	if (SND_SOC_DAPM_EVENT_ON(event))
81 		priv->speaker_en = true;
82 	else
83 		priv->speaker_en = false;
84 
85 	gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
86 
87 	return 0;
88 }
89 
90 static const struct snd_soc_dapm_widget byt_cht_es8316_widgets[] = {
91 	SND_SOC_DAPM_SPK("Speaker", NULL),
92 	SND_SOC_DAPM_HP("Headphone", NULL),
93 	SND_SOC_DAPM_MIC("Headset Mic", NULL),
94 	SND_SOC_DAPM_MIC("Internal Mic", NULL),
95 
96 	SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
97 			    byt_cht_es8316_speaker_power_event,
98 			    SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
99 };
100 
101 static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = {
102 	{"Headphone", NULL, "HPOL"},
103 	{"Headphone", NULL, "HPOR"},
104 
105 	/*
106 	 * There is no separate speaker output instead the speakers are muxed to
107 	 * the HP outputs. The mux is controlled by the "Speaker Power" supply.
108 	 */
109 	{"Speaker", NULL, "HPOL"},
110 	{"Speaker", NULL, "HPOR"},
111 	{"Speaker", NULL, "Speaker Power"},
112 };
113 
114 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = {
115 	{"MIC1", NULL, "Internal Mic"},
116 	{"MIC2", NULL, "Headset Mic"},
117 };
118 
119 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = {
120 	{"MIC2", NULL, "Internal Mic"},
121 	{"MIC1", NULL, "Headset Mic"},
122 };
123 
124 static const struct snd_soc_dapm_route byt_cht_es8316_ssp0_map[] = {
125 	{"Playback", NULL, "ssp0 Tx"},
126 	{"ssp0 Tx", NULL, "modem_out"},
127 	{"modem_in", NULL, "ssp0 Rx"},
128 	{"ssp0 Rx", NULL, "Capture"},
129 };
130 
131 static const struct snd_soc_dapm_route byt_cht_es8316_ssp2_map[] = {
132 	{"Playback", NULL, "ssp2 Tx"},
133 	{"ssp2 Tx", NULL, "codec_out0"},
134 	{"ssp2 Tx", NULL, "codec_out1"},
135 	{"codec_in0", NULL, "ssp2 Rx" },
136 	{"codec_in1", NULL, "ssp2 Rx" },
137 	{"ssp2 Rx", NULL, "Capture"},
138 };
139 
140 static const struct snd_kcontrol_new byt_cht_es8316_controls[] = {
141 	SOC_DAPM_PIN_SWITCH("Speaker"),
142 	SOC_DAPM_PIN_SWITCH("Headphone"),
143 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
144 	SOC_DAPM_PIN_SWITCH("Internal Mic"),
145 };
146 
147 static struct snd_soc_jack_pin byt_cht_es8316_jack_pins[] = {
148 	{
149 		.pin	= "Headphone",
150 		.mask	= SND_JACK_HEADPHONE,
151 	},
152 	{
153 		.pin	= "Headset Mic",
154 		.mask	= SND_JACK_MICROPHONE,
155 	},
156 };
157 
158 static int byt_cht_es8316_init(struct snd_soc_pcm_runtime *runtime)
159 {
160 	struct snd_soc_component *codec = asoc_rtd_to_codec(runtime, 0)->component;
161 	struct snd_soc_card *card = runtime->card;
162 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
163 	const struct snd_soc_dapm_route *custom_map;
164 	int num_routes;
165 	int ret;
166 
167 	card->dapm.idle_bias_off = true;
168 
169 	switch (BYT_CHT_ES8316_MAP(quirk)) {
170 	case BYT_CHT_ES8316_INTMIC_IN1_MAP:
171 	default:
172 		custom_map = byt_cht_es8316_intmic_in1_map;
173 		num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in1_map);
174 		break;
175 	case BYT_CHT_ES8316_INTMIC_IN2_MAP:
176 		custom_map = byt_cht_es8316_intmic_in2_map;
177 		num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in2_map);
178 		break;
179 	}
180 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
181 	if (ret)
182 		return ret;
183 
184 	if (quirk & BYT_CHT_ES8316_SSP0) {
185 		custom_map = byt_cht_es8316_ssp0_map;
186 		num_routes = ARRAY_SIZE(byt_cht_es8316_ssp0_map);
187 	} else {
188 		custom_map = byt_cht_es8316_ssp2_map;
189 		num_routes = ARRAY_SIZE(byt_cht_es8316_ssp2_map);
190 	}
191 	ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
192 	if (ret)
193 		return ret;
194 
195 	/*
196 	 * The firmware might enable the clock at boot (this information
197 	 * may or may not be reflected in the enable clock register).
198 	 * To change the rate we must disable the clock first to cover these
199 	 * cases. Due to common clock framework restrictions that do not allow
200 	 * to disable a clock that has not been enabled, we need to enable
201 	 * the clock first.
202 	 */
203 	ret = clk_prepare_enable(priv->mclk);
204 	if (!ret)
205 		clk_disable_unprepare(priv->mclk);
206 
207 	ret = clk_set_rate(priv->mclk, 19200000);
208 	if (ret)
209 		dev_err(card->dev, "unable to set MCLK rate\n");
210 
211 	ret = clk_prepare_enable(priv->mclk);
212 	if (ret)
213 		dev_err(card->dev, "unable to enable MCLK\n");
214 
215 	ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(runtime, 0), 0, 19200000,
216 				     SND_SOC_CLOCK_IN);
217 	if (ret < 0) {
218 		dev_err(card->dev, "can't set codec clock %d\n", ret);
219 		return ret;
220 	}
221 
222 	ret = snd_soc_card_jack_new(card, "Headset",
223 				    SND_JACK_HEADSET | SND_JACK_BTN_0,
224 				    &priv->jack, byt_cht_es8316_jack_pins,
225 				    ARRAY_SIZE(byt_cht_es8316_jack_pins));
226 	if (ret) {
227 		dev_err(card->dev, "jack creation failed %d\n", ret);
228 		return ret;
229 	}
230 
231 	snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
232 	snd_soc_component_set_jack(codec, &priv->jack, NULL);
233 
234 	return 0;
235 }
236 
237 static int byt_cht_es8316_codec_fixup(struct snd_soc_pcm_runtime *rtd,
238 			    struct snd_pcm_hw_params *params)
239 {
240 	struct snd_interval *rate = hw_param_interval(params,
241 			SNDRV_PCM_HW_PARAM_RATE);
242 	struct snd_interval *channels = hw_param_interval(params,
243 						SNDRV_PCM_HW_PARAM_CHANNELS);
244 	int ret, bits;
245 
246 	/* The DSP will covert the FE rate to 48k, stereo */
247 	rate->min = rate->max = 48000;
248 	channels->min = channels->max = 2;
249 
250 	if (quirk & BYT_CHT_ES8316_SSP0) {
251 		/* set SSP0 to 16-bit */
252 		params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
253 		bits = 16;
254 	} else {
255 		/* set SSP2 to 24-bit */
256 		params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
257 		bits = 24;
258 	}
259 
260 	/*
261 	 * Default mode for SSP configuration is TDM 4 slot, override config
262 	 * with explicit setting to I2S 2ch 24-bit. The word length is set with
263 	 * dai_set_tdm_slot() since there is no other API exposed
264 	 */
265 	ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0),
266 				SND_SOC_DAIFMT_I2S     |
267 				SND_SOC_DAIFMT_NB_NF   |
268 				SND_SOC_DAIFMT_CBC_CFC
269 		);
270 	if (ret < 0) {
271 		dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
272 		return ret;
273 	}
274 
275 	ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits);
276 	if (ret < 0) {
277 		dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
278 		return ret;
279 	}
280 
281 	return 0;
282 }
283 
284 static int byt_cht_es8316_aif1_startup(struct snd_pcm_substream *substream)
285 {
286 	return snd_pcm_hw_constraint_single(substream->runtime,
287 			SNDRV_PCM_HW_PARAM_RATE, 48000);
288 }
289 
290 static const struct snd_soc_ops byt_cht_es8316_aif1_ops = {
291 	.startup = byt_cht_es8316_aif1_startup,
292 };
293 
294 SND_SOC_DAILINK_DEF(dummy,
295 	DAILINK_COMP_ARRAY(COMP_DUMMY()));
296 
297 SND_SOC_DAILINK_DEF(media,
298 	DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
299 
300 SND_SOC_DAILINK_DEF(deepbuffer,
301 	DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
302 
303 SND_SOC_DAILINK_DEF(ssp2_port,
304 	DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
305 SND_SOC_DAILINK_DEF(ssp2_codec,
306 	DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi")));
307 
308 SND_SOC_DAILINK_DEF(platform,
309 	DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
310 
311 static struct snd_soc_dai_link byt_cht_es8316_dais[] = {
312 	[MERR_DPCM_AUDIO] = {
313 		.name = "Audio Port",
314 		.stream_name = "Audio",
315 		.nonatomic = true,
316 		.dynamic = 1,
317 		.dpcm_playback = 1,
318 		.dpcm_capture = 1,
319 		.ops = &byt_cht_es8316_aif1_ops,
320 		SND_SOC_DAILINK_REG(media, dummy, platform),
321 	},
322 
323 	[MERR_DPCM_DEEP_BUFFER] = {
324 		.name = "Deep-Buffer Audio Port",
325 		.stream_name = "Deep-Buffer Audio",
326 		.nonatomic = true,
327 		.dynamic = 1,
328 		.dpcm_playback = 1,
329 		.ops = &byt_cht_es8316_aif1_ops,
330 		SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
331 	},
332 
333 		/* back ends */
334 	{
335 		.name = "SSP2-Codec",
336 		.id = 0,
337 		.no_pcm = 1,
338 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
339 						| SND_SOC_DAIFMT_CBC_CFC,
340 		.be_hw_params_fixup = byt_cht_es8316_codec_fixup,
341 		.dpcm_playback = 1,
342 		.dpcm_capture = 1,
343 		.init = byt_cht_es8316_init,
344 		SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
345 	},
346 };
347 
348 
349 /* SoC card */
350 static char codec_name[SND_ACPI_I2C_ID_LEN];
351 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
352 static char long_name[50]; /* = "bytcht-es8316-*-spk-*-mic" */
353 #endif
354 static char components_string[32]; /* = "cfg-spk:* cfg-mic:* */
355 
356 static int byt_cht_es8316_suspend(struct snd_soc_card *card)
357 {
358 	struct snd_soc_component *component;
359 
360 	for_each_card_components(card, component) {
361 		if (!strcmp(component->name, codec_name)) {
362 			dev_dbg(component->dev, "disabling jack detect before suspend\n");
363 			snd_soc_component_set_jack(component, NULL, NULL);
364 			break;
365 		}
366 	}
367 
368 	return 0;
369 }
370 
371 static int byt_cht_es8316_resume(struct snd_soc_card *card)
372 {
373 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
374 	struct snd_soc_component *component;
375 
376 	for_each_card_components(card, component) {
377 		if (!strcmp(component->name, codec_name)) {
378 			dev_dbg(component->dev, "re-enabling jack detect after resume\n");
379 			snd_soc_component_set_jack(component, &priv->jack, NULL);
380 			break;
381 		}
382 	}
383 
384 	/*
385 	 * Some Cherry Trail boards with an ES8316 codec have a bug in their
386 	 * ACPI tables where the MSSL1680 touchscreen's _PS0 and _PS3 methods
387 	 * wrongly also set the speaker-enable GPIO to 1/0. Testing has shown
388 	 * that this really is a bug and the GPIO has no influence on the
389 	 * touchscreen at all.
390 	 *
391 	 * The silead.c touchscreen driver does not support runtime suspend, so
392 	 * the GPIO can only be changed underneath us during a system suspend.
393 	 * This resume() function runs from a pm complete() callback, and thus
394 	 * is guaranteed to run after the touchscreen driver/ACPI-subsys has
395 	 * brought the touchscreen back up again (and thus changed the GPIO).
396 	 *
397 	 * So to work around this we pass GPIOD_FLAGS_BIT_NONEXCLUSIVE when
398 	 * requesting the GPIO and we set its value here to undo any changes
399 	 * done by the touchscreen's broken _PS0 ACPI method.
400 	 */
401 	gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
402 
403 	return 0;
404 }
405 
406 /* use space before codec name to simplify card ID, and simplify driver name */
407 #define SOF_CARD_NAME "bytcht es8316" /* card name will be 'sof-bytcht es8316' */
408 #define SOF_DRIVER_NAME "SOF"
409 
410 #define CARD_NAME "bytcht-es8316"
411 #define DRIVER_NAME NULL /* card name will be used for driver name */
412 
413 static struct snd_soc_card byt_cht_es8316_card = {
414 	.owner = THIS_MODULE,
415 	.dai_link = byt_cht_es8316_dais,
416 	.num_links = ARRAY_SIZE(byt_cht_es8316_dais),
417 	.dapm_widgets = byt_cht_es8316_widgets,
418 	.num_dapm_widgets = ARRAY_SIZE(byt_cht_es8316_widgets),
419 	.dapm_routes = byt_cht_es8316_audio_map,
420 	.num_dapm_routes = ARRAY_SIZE(byt_cht_es8316_audio_map),
421 	.controls = byt_cht_es8316_controls,
422 	.num_controls = ARRAY_SIZE(byt_cht_es8316_controls),
423 	.fully_routed = true,
424 	.suspend_pre = byt_cht_es8316_suspend,
425 	.resume_post = byt_cht_es8316_resume,
426 };
427 
428 static const struct acpi_gpio_params first_gpio = { 0, 0, false };
429 
430 static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = {
431 	{ "speaker-enable-gpios", &first_gpio, 1 },
432 	{ },
433 };
434 
435 /* Please keep this list alphabetically sorted */
436 static const struct dmi_system_id byt_cht_es8316_quirk_table[] = {
437 	{	/* Irbis NB41 */
438 		.matches = {
439 			DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"),
440 			DMI_MATCH(DMI_PRODUCT_NAME, "NB41"),
441 		},
442 		.driver_data = (void *)(BYT_CHT_ES8316_SSP0
443 					| BYT_CHT_ES8316_INTMIC_IN2_MAP
444 					| BYT_CHT_ES8316_JD_INVERTED),
445 	},
446 	{	/* Teclast X98 Plus II */
447 		.matches = {
448 			DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
449 			DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
450 		},
451 		.driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN1_MAP
452 					| BYT_CHT_ES8316_JD_INVERTED),
453 	},
454 	{}
455 };
456 
457 static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
458 {
459 	struct device *dev = &pdev->dev;
460 	static const char * const mic_name[] = { "in1", "in2" };
461 	struct snd_soc_acpi_mach *mach = dev_get_platdata(dev);
462 	struct property_entry props[MAX_NO_PROPS] = {};
463 	struct byt_cht_es8316_private *priv;
464 	const struct dmi_system_id *dmi_id;
465 	struct fwnode_handle *fwnode;
466 	const char *platform_name;
467 	struct acpi_device *adev;
468 	struct device *codec_dev;
469 	bool sof_parent;
470 	unsigned int cnt = 0;
471 	int dai_index = 0;
472 	int i;
473 	int ret = 0;
474 
475 	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
476 	if (!priv)
477 		return -ENOMEM;
478 
479 	/* fix index of codec dai */
480 	for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) {
481 		if (!strcmp(byt_cht_es8316_dais[i].codecs->name,
482 			    "i2c-ESSX8316:00")) {
483 			dai_index = i;
484 			break;
485 		}
486 	}
487 
488 	/* fixup codec name based on HID */
489 	adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
490 	if (adev) {
491 		snprintf(codec_name, sizeof(codec_name),
492 			 "i2c-%s", acpi_dev_name(adev));
493 		put_device(&adev->dev);
494 		byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
495 	} else {
496 		dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
497 		return -ENXIO;
498 	}
499 
500 	/* override plaform name, if required */
501 	byt_cht_es8316_card.dev = dev;
502 	platform_name = mach->mach_params.platform;
503 
504 	ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card,
505 						    platform_name);
506 	if (ret)
507 		return ret;
508 
509 	/* Check for BYTCR or other platform and setup quirks */
510 	dmi_id = dmi_first_match(byt_cht_es8316_quirk_table);
511 	if (dmi_id) {
512 		quirk = (unsigned long)dmi_id->driver_data;
513 	} else if (soc_intel_is_byt() &&
514 		   mach->mach_params.acpi_ipc_irq_index == 0) {
515 		/* On BYTCR default to SSP0, internal-mic-in2-map, mono-spk */
516 		quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP |
517 			BYT_CHT_ES8316_MONO_SPEAKER;
518 	} else {
519 		/* Others default to internal-mic-in1-map, mono-speaker */
520 		quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP |
521 			BYT_CHT_ES8316_MONO_SPEAKER;
522 	}
523 	if (quirk_override != -1) {
524 		dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n",
525 			 quirk, quirk_override);
526 		quirk = quirk_override;
527 	}
528 	log_quirks(dev);
529 
530 	if (quirk & BYT_CHT_ES8316_SSP0)
531 		byt_cht_es8316_dais[dai_index].cpus->dai_name = "ssp0-port";
532 
533 	/* get the clock */
534 	priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");
535 	if (IS_ERR(priv->mclk))
536 		return dev_err_probe(dev, PTR_ERR(priv->mclk), "clk_get pmc_plt_clk_3 failed\n");
537 
538 	/* get speaker enable GPIO */
539 	codec_dev = acpi_get_first_physical_node(adev);
540 	if (!codec_dev)
541 		return -EPROBE_DEFER;
542 	priv->codec_dev = get_device(codec_dev);
543 
544 	if (quirk & BYT_CHT_ES8316_JD_INVERTED)
545 		props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
546 
547 	if (cnt) {
548 		fwnode = fwnode_create_software_node(props, NULL);
549 		if (IS_ERR(fwnode)) {
550 			put_device(codec_dev);
551 			return PTR_ERR(fwnode);
552 		}
553 
554 		ret = device_add_software_node(codec_dev, to_software_node(fwnode));
555 
556 		fwnode_handle_put(fwnode);
557 
558 		if (ret) {
559 			put_device(codec_dev);
560 			return ret;
561 		}
562 	}
563 
564 	devm_acpi_dev_add_driver_gpios(codec_dev, byt_cht_es8316_gpios);
565 	priv->speaker_en_gpio =
566 		gpiod_get_optional(codec_dev, "speaker-enable",
567 				   /* see comment in byt_cht_es8316_resume() */
568 				   GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE);
569 	if (IS_ERR(priv->speaker_en_gpio)) {
570 		ret = dev_err_probe(dev, PTR_ERR(priv->speaker_en_gpio),
571 				    "get speaker GPIO failed\n");
572 		goto err_put_codec;
573 	}
574 
575 	snprintf(components_string, sizeof(components_string),
576 		 "cfg-spk:%s cfg-mic:%s",
577 		 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "1" : "2",
578 		 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
579 	byt_cht_es8316_card.components = components_string;
580 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
581 	snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic",
582 		 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo",
583 		 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
584 	byt_cht_es8316_card.long_name = long_name;
585 #endif
586 
587 	sof_parent = snd_soc_acpi_sof_parent(dev);
588 
589 	/* set card and driver name */
590 	if (sof_parent) {
591 		byt_cht_es8316_card.name = SOF_CARD_NAME;
592 		byt_cht_es8316_card.driver_name = SOF_DRIVER_NAME;
593 	} else {
594 		byt_cht_es8316_card.name = CARD_NAME;
595 		byt_cht_es8316_card.driver_name = DRIVER_NAME;
596 	}
597 
598 	/* set pm ops */
599 	if (sof_parent)
600 		dev->driver->pm = &snd_soc_pm_ops;
601 
602 	/* register the soc card */
603 	snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);
604 
605 	ret = devm_snd_soc_register_card(dev, &byt_cht_es8316_card);
606 	if (ret) {
607 		gpiod_put(priv->speaker_en_gpio);
608 		dev_err(dev, "snd_soc_register_card failed: %d\n", ret);
609 		goto err_put_codec;
610 	}
611 	platform_set_drvdata(pdev, &byt_cht_es8316_card);
612 	return 0;
613 
614 err_put_codec:
615 	device_remove_software_node(priv->codec_dev);
616 	put_device(priv->codec_dev);
617 	return ret;
618 }
619 
620 static int snd_byt_cht_es8316_mc_remove(struct platform_device *pdev)
621 {
622 	struct snd_soc_card *card = platform_get_drvdata(pdev);
623 	struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
624 
625 	gpiod_put(priv->speaker_en_gpio);
626 	device_remove_software_node(priv->codec_dev);
627 	put_device(priv->codec_dev);
628 	return 0;
629 }
630 
631 static struct platform_driver snd_byt_cht_es8316_mc_driver = {
632 	.driver = {
633 		.name = "bytcht_es8316",
634 	},
635 	.probe = snd_byt_cht_es8316_mc_probe,
636 	.remove = snd_byt_cht_es8316_mc_remove,
637 };
638 
639 module_platform_driver(snd_byt_cht_es8316_mc_driver);
640 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
641 MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
642 MODULE_LICENSE("GPL v2");
643 MODULE_ALIAS("platform:bytcht_es8316");
644