xref: /linux/sound/soc/tegra/tegra_asoc_machine.c (revision 2c7afc2a880cd4899f9dd6bfa62f10f84773148b)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * tegra_asoc_machine.c - Universal ASoC machine driver for NVIDIA Tegra boards.
4  */
5 
6 #include <linux/clk.h>
7 #include <linux/export.h>
8 #include <linux/gpio/consumer.h>
9 #include <linux/module.h>
10 #include <linux/of.h>
11 #include <linux/platform_device.h>
12 #include <linux/slab.h>
13 
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 
20 #include "tegra_asoc_machine.h"
21 
22 /* Headphones Jack */
23 
24 static struct snd_soc_jack tegra_machine_hp_jack;
25 
26 static struct snd_soc_jack_pin tegra_machine_hp_jack_pins[] = {
27 	{ .pin = "Headphone",  .mask = SND_JACK_HEADPHONE },
28 	{ .pin = "Headphones", .mask = SND_JACK_HEADPHONE },
29 };
30 
31 static struct snd_soc_jack_gpio tegra_machine_hp_jack_gpio = {
32 	.name = "Headphones detection",
33 	.report = SND_JACK_HEADPHONE,
34 	.debounce_time = 150,
35 };
36 
37 /* Headset Jack */
38 
39 static struct snd_soc_jack tegra_machine_headset_jack;
40 
41 static struct snd_soc_jack_pin tegra_machine_headset_jack_pins[] = {
42 	{ .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE },
43 	{ .pin = "Headset Stereophone", .mask = SND_JACK_HEADPHONE },
44 };
45 
46 static struct snd_soc_jack_gpio tegra_machine_headset_jack_gpio = {
47 	.name = "Headset detection",
48 	.report = SND_JACK_HEADSET,
49 	.debounce_time = 150,
50 };
51 
52 /* Mic Jack */
53 static int coupled_mic_hp_check(void *data)
54 {
55 	struct tegra_machine *machine = (struct tegra_machine *)data;
56 
57 	/* Detect mic insertion only if 3.5 jack is in */
58 	if (gpiod_get_value_cansleep(machine->gpiod_hp_det) &&
59 	    gpiod_get_value_cansleep(machine->gpiod_mic_det))
60 		return SND_JACK_MICROPHONE;
61 
62 	return 0;
63 }
64 
65 static struct snd_soc_jack tegra_machine_mic_jack;
66 
67 static struct snd_soc_jack_pin tegra_machine_mic_jack_pins[] = {
68 	{ .pin = "Mic Jack",    .mask = SND_JACK_MICROPHONE },
69 	{ .pin = "Headset Mic", .mask = SND_JACK_MICROPHONE },
70 };
71 
72 static struct snd_soc_jack_gpio tegra_machine_mic_jack_gpio = {
73 	.name = "Mic detection",
74 	.report = SND_JACK_MICROPHONE,
75 	.debounce_time = 150,
76 };
77 
78 static int tegra_machine_event(struct snd_soc_dapm_widget *w,
79 			       struct snd_kcontrol *k, int event)
80 {
81 	struct snd_soc_dapm_context *dapm = w->dapm;
82 	struct tegra_machine *machine = snd_soc_card_get_drvdata(dapm->card);
83 
84 	if (!snd_soc_dapm_widget_name_cmp(w, "Int Spk") ||
85 	    !snd_soc_dapm_widget_name_cmp(w, "Speakers"))
86 		gpiod_set_value_cansleep(machine->gpiod_spkr_en,
87 					 SND_SOC_DAPM_EVENT_ON(event));
88 
89 	if (!snd_soc_dapm_widget_name_cmp(w, "Mic Jack") ||
90 	    !snd_soc_dapm_widget_name_cmp(w, "Headset Mic"))
91 		gpiod_set_value_cansleep(machine->gpiod_ext_mic_en,
92 					 SND_SOC_DAPM_EVENT_ON(event));
93 
94 	if (!snd_soc_dapm_widget_name_cmp(w, "Int Mic") ||
95 	    !snd_soc_dapm_widget_name_cmp(w, "Internal Mic 2"))
96 		gpiod_set_value_cansleep(machine->gpiod_int_mic_en,
97 					 SND_SOC_DAPM_EVENT_ON(event));
98 
99 	if (!snd_soc_dapm_widget_name_cmp(w, "Headphone") ||
100 	    !snd_soc_dapm_widget_name_cmp(w, "Headphone Jack"))
101 		gpiod_set_value_cansleep(machine->gpiod_hp_mute,
102 					 !SND_SOC_DAPM_EVENT_ON(event));
103 
104 	return 0;
105 }
106 
107 static const struct snd_soc_dapm_widget tegra_machine_dapm_widgets[] = {
108 	SND_SOC_DAPM_HP("Headphone Jack", tegra_machine_event),
109 	SND_SOC_DAPM_HP("Headphone", tegra_machine_event),
110 	SND_SOC_DAPM_HP("Headset Stereophone", NULL),
111 	SND_SOC_DAPM_HP("Headphones", NULL),
112 	SND_SOC_DAPM_SPK("Speakers", tegra_machine_event),
113 	SND_SOC_DAPM_SPK("Int Spk", tegra_machine_event),
114 	SND_SOC_DAPM_SPK("Earpiece", NULL),
115 	SND_SOC_DAPM_MIC("Int Mic", tegra_machine_event),
116 	SND_SOC_DAPM_MIC("Mic Jack", tegra_machine_event),
117 	SND_SOC_DAPM_MIC("Internal Mic 1", NULL),
118 	SND_SOC_DAPM_MIC("Internal Mic 2", tegra_machine_event),
119 	SND_SOC_DAPM_MIC("Headset Mic", tegra_machine_event),
120 	SND_SOC_DAPM_MIC("Digital Mic", NULL),
121 	SND_SOC_DAPM_MIC("Mic", NULL),
122 	SND_SOC_DAPM_LINE("Line In Jack", NULL),
123 	SND_SOC_DAPM_LINE("Line In", NULL),
124 	SND_SOC_DAPM_LINE("LineIn", NULL),
125 };
126 
127 static const struct snd_kcontrol_new tegra_machine_controls[] = {
128 	SOC_DAPM_PIN_SWITCH("Speakers"),
129 	SOC_DAPM_PIN_SWITCH("Int Spk"),
130 	SOC_DAPM_PIN_SWITCH("Earpiece"),
131 	SOC_DAPM_PIN_SWITCH("Int Mic"),
132 	SOC_DAPM_PIN_SWITCH("Headset Mic"),
133 	SOC_DAPM_PIN_SWITCH("Internal Mic 1"),
134 	SOC_DAPM_PIN_SWITCH("Internal Mic 2"),
135 	SOC_DAPM_PIN_SWITCH("Headphones"),
136 	SOC_DAPM_PIN_SWITCH("Mic Jack"),
137 };
138 
139 int tegra_asoc_machine_init(struct snd_soc_pcm_runtime *rtd)
140 {
141 	struct snd_soc_card *card = rtd->card;
142 	struct tegra_machine *machine = snd_soc_card_get_drvdata(card);
143 	const char *jack_name;
144 	int err;
145 
146 	if (machine->gpiod_hp_det && machine->asoc->add_hp_jack) {
147 		if (machine->asoc->hp_jack_name)
148 			jack_name = machine->asoc->hp_jack_name;
149 		else
150 			jack_name = "Headphones Jack";
151 
152 		err = snd_soc_card_jack_new_pins(card, jack_name,
153 						 SND_JACK_HEADPHONE,
154 						 &tegra_machine_hp_jack,
155 						 tegra_machine_hp_jack_pins,
156 						 ARRAY_SIZE(tegra_machine_hp_jack_pins));
157 		if (err) {
158 			dev_err(rtd->dev,
159 				"Headphones Jack creation failed: %d\n", err);
160 			return err;
161 		}
162 
163 		tegra_machine_hp_jack_gpio.desc = machine->gpiod_hp_det;
164 
165 		err = snd_soc_jack_add_gpios(&tegra_machine_hp_jack, 1,
166 					     &tegra_machine_hp_jack_gpio);
167 		if (err)
168 			dev_err(rtd->dev, "HP GPIOs not added: %d\n", err);
169 	}
170 
171 	if (machine->gpiod_hp_det && machine->asoc->add_headset_jack) {
172 		err = snd_soc_card_jack_new_pins(card, "Headset Jack",
173 						 SND_JACK_HEADSET,
174 						 &tegra_machine_headset_jack,
175 						 tegra_machine_headset_jack_pins,
176 						 ARRAY_SIZE(tegra_machine_headset_jack_pins));
177 		if (err) {
178 			dev_err(rtd->dev,
179 				"Headset Jack creation failed: %d\n", err);
180 			return err;
181 		}
182 
183 		tegra_machine_headset_jack_gpio.desc = machine->gpiod_hp_det;
184 
185 		err = snd_soc_jack_add_gpios(&tegra_machine_headset_jack, 1,
186 					     &tegra_machine_headset_jack_gpio);
187 		if (err)
188 			dev_err(rtd->dev, "Headset GPIOs not added: %d\n", err);
189 	}
190 
191 	if (machine->gpiod_mic_det && machine->asoc->add_mic_jack) {
192 		err = snd_soc_card_jack_new_pins(rtd->card, "Mic Jack",
193 						 SND_JACK_MICROPHONE,
194 						 &tegra_machine_mic_jack,
195 						 tegra_machine_mic_jack_pins,
196 						 ARRAY_SIZE(tegra_machine_mic_jack_pins));
197 		if (err) {
198 			dev_err(rtd->dev, "Mic Jack creation failed: %d\n", err);
199 			return err;
200 		}
201 
202 		tegra_machine_mic_jack_gpio.data = machine;
203 		tegra_machine_mic_jack_gpio.desc = machine->gpiod_mic_det;
204 
205 		if (of_property_read_bool(card->dev->of_node,
206 					  "nvidia,coupled-mic-hp-det")) {
207 			tegra_machine_mic_jack_gpio.desc = machine->gpiod_hp_det;
208 			tegra_machine_mic_jack_gpio.jack_status_check = coupled_mic_hp_check;
209 		}
210 
211 		err = snd_soc_jack_add_gpios(&tegra_machine_mic_jack, 1,
212 					     &tegra_machine_mic_jack_gpio);
213 		if (err)
214 			dev_err(rtd->dev, "Mic GPIOs not added: %d\n", err);
215 	}
216 
217 	return 0;
218 }
219 EXPORT_SYMBOL_GPL(tegra_asoc_machine_init);
220 
221 static unsigned int tegra_machine_mclk_rate_128(unsigned int srate)
222 {
223 	return 128 * srate;
224 }
225 
226 static unsigned int tegra_machine_mclk_rate_256(unsigned int srate)
227 {
228 	return 256 * srate;
229 }
230 
231 static unsigned int tegra_machine_mclk_rate_512(unsigned int srate)
232 {
233 	return 512 * srate;
234 }
235 
236 static unsigned int tegra_machine_mclk_rate_12mhz(unsigned int srate)
237 {
238 	unsigned int mclk;
239 
240 	switch (srate) {
241 	case 8000:
242 	case 16000:
243 	case 24000:
244 	case 32000:
245 	case 48000:
246 	case 64000:
247 	case 96000:
248 		mclk = 12288000;
249 		break;
250 	case 11025:
251 	case 22050:
252 	case 44100:
253 	case 88200:
254 		mclk = 11289600;
255 		break;
256 	default:
257 		mclk = 12000000;
258 		break;
259 	}
260 
261 	return mclk;
262 }
263 
264 static unsigned int tegra_machine_mclk_rate_6mhz(unsigned int srate)
265 {
266 	unsigned int mclk;
267 
268 	switch (srate) {
269 	case 8000:
270 	case 16000:
271 	case 64000:
272 		mclk = 8192000;
273 		break;
274 	case 11025:
275 	case 22050:
276 	case 88200:
277 		mclk = 11289600;
278 		break;
279 	case 96000:
280 		mclk = 12288000;
281 		break;
282 	default:
283 		mclk = 256 * srate;
284 		break;
285 	}
286 
287 	return mclk;
288 }
289 
290 static int tegra_machine_hw_params(struct snd_pcm_substream *substream,
291 				   struct snd_pcm_hw_params *params)
292 {
293 	struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream);
294 	struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0);
295 	struct snd_soc_card *card = rtd->card;
296 	struct tegra_machine *machine = snd_soc_card_get_drvdata(card);
297 	unsigned int srate = params_rate(params);
298 	unsigned int mclk = machine->asoc->mclk_rate(srate);
299 	unsigned int clk_id = machine->asoc->mclk_id;
300 	unsigned int new_baseclock;
301 	int err;
302 
303 	switch (srate) {
304 	case 11025:
305 	case 22050:
306 	case 44100:
307 	case 88200:
308 		if (of_machine_is_compatible("nvidia,tegra20"))
309 			new_baseclock = 56448000;
310 		else if (of_machine_is_compatible("nvidia,tegra30"))
311 			new_baseclock = 564480000;
312 		else
313 			new_baseclock = 282240000;
314 		break;
315 	case 8000:
316 	case 16000:
317 	case 32000:
318 	case 48000:
319 	case 64000:
320 	case 96000:
321 		if (of_machine_is_compatible("nvidia,tegra20"))
322 			new_baseclock = 73728000;
323 		else if (of_machine_is_compatible("nvidia,tegra30"))
324 			new_baseclock = 552960000;
325 		else
326 			new_baseclock = 368640000;
327 		break;
328 	default:
329 		dev_err(card->dev, "Invalid sound rate: %u\n", srate);
330 		return -EINVAL;
331 	}
332 
333 	if (new_baseclock != machine->set_baseclock ||
334 	    mclk != machine->set_mclk) {
335 		machine->set_baseclock = 0;
336 		machine->set_mclk = 0;
337 
338 		clk_disable_unprepare(machine->clk_cdev1);
339 
340 		err = clk_set_rate(machine->clk_pll_a, new_baseclock);
341 		if (err) {
342 			dev_err(card->dev, "Can't set pll_a rate: %d\n", err);
343 			return err;
344 		}
345 
346 		err = clk_set_rate(machine->clk_pll_a_out0, mclk);
347 		if (err) {
348 			dev_err(card->dev, "Can't set pll_a_out0 rate: %d\n", err);
349 			return err;
350 		}
351 
352 		/* Don't set cdev1/extern1 rate; it's locked to pll_a_out0 */
353 
354 		err = clk_prepare_enable(machine->clk_cdev1);
355 		if (err) {
356 			dev_err(card->dev, "Can't enable cdev1: %d\n", err);
357 			return err;
358 		}
359 
360 		machine->set_baseclock = new_baseclock;
361 		machine->set_mclk = mclk;
362 	}
363 
364 	err = snd_soc_dai_set_sysclk(codec_dai, clk_id, mclk, SND_SOC_CLOCK_IN);
365 	if (err < 0) {
366 		dev_err(card->dev, "codec_dai clock not set: %d\n", err);
367 		return err;
368 	}
369 
370 	return 0;
371 }
372 
373 static const struct snd_soc_ops tegra_machine_snd_ops = {
374 	.hw_params = tegra_machine_hw_params,
375 };
376 
377 static void tegra_machine_node_release(void *of_node)
378 {
379 	of_node_put(of_node);
380 }
381 
382 static struct device_node *
383 tegra_machine_parse_phandle(struct device *dev, const char *name)
384 {
385 	struct device_node *np;
386 	int err;
387 
388 	np = of_parse_phandle(dev->of_node, name, 0);
389 	if (!np) {
390 		dev_err(dev, "Property '%s' missing or invalid\n", name);
391 		return ERR_PTR(-EINVAL);
392 	}
393 
394 	err = devm_add_action_or_reset(dev, tegra_machine_node_release, np);
395 	if (err)
396 		return ERR_PTR(err);
397 
398 	return np;
399 }
400 
401 static void tegra_machine_unregister_codec(void *pdev)
402 {
403 	platform_device_unregister(pdev);
404 }
405 
406 static int tegra_machine_register_codec(struct device *dev, const char *name)
407 {
408 	struct platform_device *pdev;
409 	int err;
410 
411 	if (!name)
412 		return 0;
413 
414 	pdev = platform_device_register_simple(name, -1, NULL, 0);
415 	if (IS_ERR(pdev))
416 		return PTR_ERR(pdev);
417 
418 	err = devm_add_action_or_reset(dev, tegra_machine_unregister_codec,
419 				       pdev);
420 	if (err)
421 		return err;
422 
423 	return 0;
424 }
425 
426 int tegra_asoc_machine_probe(struct platform_device *pdev)
427 {
428 	struct device_node *np_codec, *np_i2s, *np_ac97;
429 	const struct tegra_asoc_data *asoc;
430 	struct device *dev = &pdev->dev;
431 	struct tegra_machine *machine;
432 	struct snd_soc_card *card;
433 	struct gpio_desc *gpiod;
434 	int err;
435 
436 	machine = devm_kzalloc(dev, sizeof(*machine), GFP_KERNEL);
437 	if (!machine)
438 		return -ENOMEM;
439 
440 	asoc = of_device_get_match_data(dev);
441 	card = asoc->card;
442 	card->dev = dev;
443 
444 	machine->asoc = asoc;
445 	machine->mic_jack = &tegra_machine_mic_jack;
446 	machine->hp_jack_gpio = &tegra_machine_hp_jack_gpio;
447 	snd_soc_card_set_drvdata(card, machine);
448 
449 	gpiod = devm_gpiod_get_optional(dev, "nvidia,hp-mute", GPIOD_OUT_HIGH);
450 	machine->gpiod_hp_mute = gpiod;
451 	if (IS_ERR(gpiod))
452 		return PTR_ERR(gpiod);
453 
454 	gpiod = devm_gpiod_get_optional(dev, "nvidia,hp-det", GPIOD_IN);
455 	machine->gpiod_hp_det = gpiod;
456 	if (IS_ERR(gpiod))
457 		return PTR_ERR(gpiod);
458 
459 	gpiod = devm_gpiod_get_optional(dev, "nvidia,mic-det", GPIOD_IN);
460 	machine->gpiod_mic_det = gpiod;
461 	if (IS_ERR(gpiod))
462 		return PTR_ERR(gpiod);
463 
464 	gpiod = devm_gpiod_get_optional(dev, "nvidia,spkr-en", GPIOD_OUT_LOW);
465 	machine->gpiod_spkr_en = gpiod;
466 	if (IS_ERR(gpiod))
467 		return PTR_ERR(gpiod);
468 
469 	gpiod = devm_gpiod_get_optional(dev, "nvidia,int-mic-en", GPIOD_OUT_LOW);
470 	machine->gpiod_int_mic_en = gpiod;
471 	if (IS_ERR(gpiod))
472 		return PTR_ERR(gpiod);
473 
474 	gpiod = devm_gpiod_get_optional(dev, "nvidia,ext-mic-en", GPIOD_OUT_LOW);
475 	machine->gpiod_ext_mic_en = gpiod;
476 	if (IS_ERR(gpiod))
477 		return PTR_ERR(gpiod);
478 
479 	err = snd_soc_of_parse_card_name(card, "nvidia,model");
480 	if (err)
481 		return err;
482 
483 	if (!card->dapm_routes) {
484 		err = snd_soc_of_parse_audio_routing(card, "nvidia,audio-routing");
485 		if (err)
486 			return err;
487 	}
488 
489 	if (asoc->set_ac97) {
490 		err = tegra_machine_register_codec(dev, asoc->codec_dev_name);
491 		if (err)
492 			return err;
493 
494 		np_ac97 = tegra_machine_parse_phandle(dev, "nvidia,ac97-controller");
495 		if (IS_ERR(np_ac97))
496 			return PTR_ERR(np_ac97);
497 
498 		card->dai_link->cpus->of_node = np_ac97;
499 		card->dai_link->platforms->of_node = np_ac97;
500 	} else {
501 		np_codec = tegra_machine_parse_phandle(dev, "nvidia,audio-codec");
502 		if (IS_ERR(np_codec))
503 			return PTR_ERR(np_codec);
504 
505 		np_i2s = tegra_machine_parse_phandle(dev, "nvidia,i2s-controller");
506 		if (IS_ERR(np_i2s))
507 			return PTR_ERR(np_i2s);
508 
509 		card->dai_link->cpus->of_node = np_i2s;
510 		card->dai_link->codecs->of_node = np_codec;
511 		card->dai_link->platforms->of_node = np_i2s;
512 	}
513 
514 	if (asoc->add_common_controls) {
515 		card->controls = tegra_machine_controls;
516 		card->num_controls = ARRAY_SIZE(tegra_machine_controls);
517 	}
518 
519 	if (asoc->add_common_dapm_widgets) {
520 		card->dapm_widgets = tegra_machine_dapm_widgets;
521 		card->num_dapm_widgets = ARRAY_SIZE(tegra_machine_dapm_widgets);
522 	}
523 
524 	if (asoc->add_common_snd_ops)
525 		card->dai_link->ops = &tegra_machine_snd_ops;
526 
527 	if (!card->owner)
528 		card->owner = THIS_MODULE;
529 	if (!card->driver_name)
530 		card->driver_name = "tegra";
531 
532 	machine->clk_pll_a = devm_clk_get(dev, "pll_a");
533 	if (IS_ERR(machine->clk_pll_a)) {
534 		dev_err(dev, "Can't retrieve clk pll_a\n");
535 		return PTR_ERR(machine->clk_pll_a);
536 	}
537 
538 	machine->clk_pll_a_out0 = devm_clk_get(dev, "pll_a_out0");
539 	if (IS_ERR(machine->clk_pll_a_out0)) {
540 		dev_err(dev, "Can't retrieve clk pll_a_out0\n");
541 		return PTR_ERR(machine->clk_pll_a_out0);
542 	}
543 
544 	machine->clk_cdev1 = devm_clk_get(dev, "mclk");
545 	if (IS_ERR(machine->clk_cdev1)) {
546 		dev_err(dev, "Can't retrieve clk cdev1\n");
547 		return PTR_ERR(machine->clk_cdev1);
548 	}
549 
550 	/*
551 	 * If clock parents are not set in DT, configure here to use clk_out_1
552 	 * as mclk and extern1 as parent for Tegra30 and higher.
553 	 */
554 	if (!of_property_present(dev->of_node, "assigned-clock-parents") &&
555 	    !of_machine_is_compatible("nvidia,tegra20")) {
556 		struct clk *clk_out_1, *clk_extern1;
557 
558 		dev_warn(dev, "Configuring clocks for a legacy device-tree\n");
559 		dev_warn(dev, "Please update DT to use assigned-clock-parents\n");
560 
561 		clk_extern1 = devm_clk_get(dev, "extern1");
562 		if (IS_ERR(clk_extern1)) {
563 			dev_err(dev, "Can't retrieve clk extern1\n");
564 			return PTR_ERR(clk_extern1);
565 		}
566 
567 		err = clk_set_parent(clk_extern1, machine->clk_pll_a_out0);
568 		if (err < 0) {
569 			dev_err(dev, "Set parent failed for clk extern1\n");
570 			return err;
571 		}
572 
573 		clk_out_1 = devm_clk_get(dev, "pmc_clk_out_1");
574 		if (IS_ERR(clk_out_1)) {
575 			dev_err(dev, "Can't retrieve pmc_clk_out_1\n");
576 			return PTR_ERR(clk_out_1);
577 		}
578 
579 		err = clk_set_parent(clk_out_1, clk_extern1);
580 		if (err < 0) {
581 			dev_err(dev, "Set parent failed for pmc_clk_out_1\n");
582 			return err;
583 		}
584 
585 		machine->clk_cdev1 = clk_out_1;
586 	}
587 
588 	if (asoc->set_ac97) {
589 		/*
590 		 * AC97 rate is fixed at 24.576MHz and is used for both the
591 		 * host controller and the external codec
592 		 */
593 		err = clk_set_rate(machine->clk_pll_a, 73728000);
594 		if (err) {
595 			dev_err(dev, "Can't set pll_a rate: %d\n", err);
596 			return err;
597 		}
598 
599 		err = clk_set_rate(machine->clk_pll_a_out0, 24576000);
600 		if (err) {
601 			dev_err(dev, "Can't set pll_a_out0 rate: %d\n", err);
602 			return err;
603 		}
604 
605 		machine->set_baseclock = 73728000;
606 		machine->set_mclk = 24576000;
607 	}
608 
609 	/*
610 	 * FIXME: There is some unknown dependency between audio MCLK disable
611 	 * and suspend-resume functionality on Tegra30, although audio MCLK is
612 	 * only needed for audio.
613 	 */
614 	err = clk_prepare_enable(machine->clk_cdev1);
615 	if (err) {
616 		dev_err(dev, "Can't enable cdev1: %d\n", err);
617 		return err;
618 	}
619 
620 	err = devm_snd_soc_register_card(dev, card);
621 	if (err)
622 		return err;
623 
624 	return 0;
625 }
626 EXPORT_SYMBOL_GPL(tegra_asoc_machine_probe);
627 
628 /* WM8753 machine */
629 
630 SND_SOC_DAILINK_DEFS(wm8753_hifi,
631 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
632 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "wm8753-hifi")),
633 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
634 
635 static struct snd_soc_dai_link tegra_wm8753_dai = {
636 	.name = "WM8753",
637 	.stream_name = "WM8753 PCM",
638 	.dai_fmt = SND_SOC_DAIFMT_I2S |
639 		   SND_SOC_DAIFMT_NB_NF |
640 		   SND_SOC_DAIFMT_CBS_CFS,
641 	SND_SOC_DAILINK_REG(wm8753_hifi),
642 };
643 
644 static struct snd_soc_card snd_soc_tegra_wm8753 = {
645 	.components = "codec:wm8753",
646 	.dai_link = &tegra_wm8753_dai,
647 	.num_links = 1,
648 	.fully_routed = true,
649 };
650 
651 static const struct tegra_asoc_data tegra_wm8753_data = {
652 	.mclk_rate = tegra_machine_mclk_rate_12mhz,
653 	.card = &snd_soc_tegra_wm8753,
654 	.add_common_dapm_widgets = true,
655 	.add_common_snd_ops = true,
656 };
657 
658 /* WM9712 machine */
659 
660 static int tegra_wm9712_init(struct snd_soc_pcm_runtime *rtd)
661 {
662 	return snd_soc_dapm_force_enable_pin(&rtd->card->dapm, "Mic Bias");
663 }
664 
665 SND_SOC_DAILINK_DEFS(wm9712_hifi,
666 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
667 	DAILINK_COMP_ARRAY(COMP_CODEC("wm9712-codec", "wm9712-hifi")),
668 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
669 
670 static struct snd_soc_dai_link tegra_wm9712_dai = {
671 	.name = "AC97 HiFi",
672 	.stream_name = "AC97 HiFi",
673 	.init = tegra_wm9712_init,
674 	SND_SOC_DAILINK_REG(wm9712_hifi),
675 };
676 
677 static struct snd_soc_card snd_soc_tegra_wm9712 = {
678 	.components = "codec:wm9712",
679 	.dai_link = &tegra_wm9712_dai,
680 	.num_links = 1,
681 	.fully_routed = true,
682 };
683 
684 static const struct tegra_asoc_data tegra_wm9712_data = {
685 	.card = &snd_soc_tegra_wm9712,
686 	.add_common_dapm_widgets = true,
687 	.codec_dev_name = "wm9712-codec",
688 	.set_ac97 = true,
689 };
690 
691 /* MAX98090 machine */
692 
693 SND_SOC_DAILINK_DEFS(max98090_hifi,
694 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
695 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
696 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
697 
698 static struct snd_soc_dai_link tegra_max98090_dai = {
699 	.name = "max98090",
700 	.stream_name = "max98090 PCM",
701 	.init = tegra_asoc_machine_init,
702 	.dai_fmt = SND_SOC_DAIFMT_I2S |
703 		   SND_SOC_DAIFMT_NB_NF |
704 		   SND_SOC_DAIFMT_CBS_CFS,
705 	SND_SOC_DAILINK_REG(max98090_hifi),
706 };
707 
708 static struct snd_soc_card snd_soc_tegra_max98090 = {
709 	.components = "codec:max98090",
710 	.dai_link = &tegra_max98090_dai,
711 	.num_links = 1,
712 	.fully_routed = true,
713 };
714 
715 static const struct tegra_asoc_data tegra_max98090_data = {
716 	.mclk_rate = tegra_machine_mclk_rate_12mhz,
717 	.card = &snd_soc_tegra_max98090,
718 	.hp_jack_name = "Headphones",
719 	.add_common_dapm_widgets = true,
720 	.add_common_controls = true,
721 	.add_common_snd_ops = true,
722 	.add_mic_jack = true,
723 	.add_hp_jack = true,
724 };
725 
726 /* MAX98088 machine */
727 
728 SND_SOC_DAILINK_DEFS(max98088_hifi,
729 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
730 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "HiFi")),
731 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
732 
733 static struct snd_soc_dai_link tegra_max98088_dai = {
734 	.name = "MAX98088",
735 	.stream_name = "MAX98088 PCM",
736 	.init = tegra_asoc_machine_init,
737 	.dai_fmt = SND_SOC_DAIFMT_I2S |
738 		   SND_SOC_DAIFMT_NB_NF |
739 		   SND_SOC_DAIFMT_CBS_CFS,
740 	SND_SOC_DAILINK_REG(max98088_hifi),
741 };
742 
743 static struct snd_soc_card snd_soc_tegra_max98088 = {
744 	.components = "codec:max98088",
745 	.dai_link = &tegra_max98088_dai,
746 	.num_links = 1,
747 	.fully_routed = true,
748 };
749 
750 static const struct tegra_asoc_data tegra_max98088_data = {
751 	.mclk_rate = tegra_machine_mclk_rate_12mhz,
752 	.card = &snd_soc_tegra_max98088,
753 	.add_common_dapm_widgets = true,
754 	.add_common_controls = true,
755 	.add_common_snd_ops = true,
756 	.add_mic_jack = true,
757 	.add_hp_jack = true,
758 };
759 
760 /* SGTL5000 machine */
761 
762 SND_SOC_DAILINK_DEFS(sgtl5000_hifi,
763 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
764 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "sgtl5000")),
765 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
766 
767 static struct snd_soc_dai_link tegra_sgtl5000_dai = {
768 	.name = "sgtl5000",
769 	.stream_name = "HiFi",
770 	.dai_fmt = SND_SOC_DAIFMT_I2S |
771 		   SND_SOC_DAIFMT_NB_NF |
772 		   SND_SOC_DAIFMT_CBS_CFS,
773 	SND_SOC_DAILINK_REG(sgtl5000_hifi),
774 };
775 
776 static struct snd_soc_card snd_soc_tegra_sgtl5000 = {
777 	.components = "codec:sgtl5000",
778 	.dai_link = &tegra_sgtl5000_dai,
779 	.num_links = 1,
780 	.fully_routed = true,
781 };
782 
783 static const struct tegra_asoc_data tegra_sgtl5000_data = {
784 	.mclk_rate = tegra_machine_mclk_rate_12mhz,
785 	.card = &snd_soc_tegra_sgtl5000,
786 	.add_common_dapm_widgets = true,
787 	.add_common_snd_ops = true,
788 };
789 
790 /* TLV320AIC23 machine */
791 
792 static const struct snd_soc_dapm_widget trimslice_dapm_widgets[] = {
793 	SND_SOC_DAPM_HP("Line Out", NULL),
794 	SND_SOC_DAPM_LINE("Line In", NULL),
795 };
796 
797 static const struct snd_soc_dapm_route trimslice_audio_map[] = {
798 	{"Line Out", NULL, "LOUT"},
799 	{"Line Out", NULL, "ROUT"},
800 
801 	{"LLINEIN", NULL, "Line In"},
802 	{"RLINEIN", NULL, "Line In"},
803 };
804 
805 SND_SOC_DAILINK_DEFS(tlv320aic23_hifi,
806 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
807 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "tlv320aic23-hifi")),
808 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
809 
810 static struct snd_soc_dai_link tegra_tlv320aic23_dai = {
811 	.name = "TLV320AIC23",
812 	.stream_name = "AIC23",
813 	.dai_fmt = SND_SOC_DAIFMT_I2S |
814 		   SND_SOC_DAIFMT_NB_NF |
815 		   SND_SOC_DAIFMT_CBS_CFS,
816 	SND_SOC_DAILINK_REG(tlv320aic23_hifi),
817 };
818 
819 static struct snd_soc_card snd_soc_tegra_trimslice = {
820 	.name = "tegra-trimslice",
821 	.components = "codec:tlv320aic23",
822 	.dai_link = &tegra_tlv320aic23_dai,
823 	.num_links = 1,
824 	.dapm_widgets = trimslice_dapm_widgets,
825 	.num_dapm_widgets = ARRAY_SIZE(trimslice_dapm_widgets),
826 	.dapm_routes = trimslice_audio_map,
827 	.num_dapm_routes = ARRAY_SIZE(trimslice_audio_map),
828 	.fully_routed = true,
829 };
830 
831 static const struct tegra_asoc_data tegra_trimslice_data = {
832 	.mclk_rate = tegra_machine_mclk_rate_128,
833 	.card = &snd_soc_tegra_trimslice,
834 	.add_common_snd_ops = true,
835 };
836 
837 /* RT5677 machine */
838 
839 static int tegra_rt5677_init(struct snd_soc_pcm_runtime *rtd)
840 {
841 	struct snd_soc_card *card = rtd->card;
842 	int err;
843 
844 	err = tegra_asoc_machine_init(rtd);
845 	if (err)
846 		return err;
847 
848 	snd_soc_dapm_force_enable_pin(&card->dapm, "MICBIAS1");
849 
850 	return 0;
851 }
852 
853 SND_SOC_DAILINK_DEFS(rt5677_aif1,
854 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
855 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5677-aif1")),
856 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
857 
858 static struct snd_soc_dai_link tegra_rt5677_dai = {
859 	.name = "RT5677",
860 	.stream_name = "RT5677 PCM",
861 	.init = tegra_rt5677_init,
862 	.dai_fmt = SND_SOC_DAIFMT_I2S |
863 		   SND_SOC_DAIFMT_NB_NF |
864 		   SND_SOC_DAIFMT_CBS_CFS,
865 	SND_SOC_DAILINK_REG(rt5677_aif1),
866 };
867 
868 static struct snd_soc_card snd_soc_tegra_rt5677 = {
869 	.components = "codec:rt5677",
870 	.dai_link = &tegra_rt5677_dai,
871 	.num_links = 1,
872 	.fully_routed = true,
873 };
874 
875 static const struct tegra_asoc_data tegra_rt5677_data = {
876 	.mclk_rate = tegra_machine_mclk_rate_256,
877 	.card = &snd_soc_tegra_rt5677,
878 	.add_common_dapm_widgets = true,
879 	.add_common_controls = true,
880 	.add_common_snd_ops = true,
881 	.add_mic_jack = true,
882 	.add_hp_jack = true,
883 };
884 
885 /* RT5640 machine */
886 
887 SND_SOC_DAILINK_DEFS(rt5640_aif1,
888 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
889 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5640-aif1")),
890 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
891 
892 static struct snd_soc_dai_link tegra_rt5640_dai = {
893 	.name = "RT5640",
894 	.stream_name = "RT5640 PCM",
895 	.init = tegra_asoc_machine_init,
896 	.dai_fmt = SND_SOC_DAIFMT_I2S |
897 		   SND_SOC_DAIFMT_NB_NF |
898 		   SND_SOC_DAIFMT_CBS_CFS,
899 	SND_SOC_DAILINK_REG(rt5640_aif1),
900 };
901 
902 static struct snd_soc_card snd_soc_tegra_rt5640 = {
903 	.components = "codec:rt5640",
904 	.dai_link = &tegra_rt5640_dai,
905 	.num_links = 1,
906 	.fully_routed = true,
907 };
908 
909 static const struct tegra_asoc_data tegra_rt5640_data = {
910 	.mclk_rate = tegra_machine_mclk_rate_256,
911 	.card = &snd_soc_tegra_rt5640,
912 	.add_common_dapm_widgets = true,
913 	.add_common_controls = true,
914 	.add_common_snd_ops = true,
915 	.add_hp_jack = true,
916 };
917 
918 /* RT5632 machine */
919 
920 SND_SOC_DAILINK_DEFS(rt5632_hifi,
921 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
922 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "alc5632-hifi")),
923 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
924 
925 static struct snd_soc_dai_link tegra_rt5632_dai = {
926 	.name = "ALC5632",
927 	.stream_name = "ALC5632 PCM",
928 	.init = tegra_rt5677_init,
929 	.dai_fmt = SND_SOC_DAIFMT_I2S |
930 		   SND_SOC_DAIFMT_NB_NF |
931 		   SND_SOC_DAIFMT_CBS_CFS,
932 	SND_SOC_DAILINK_REG(rt5632_hifi),
933 };
934 
935 static struct snd_soc_card snd_soc_tegra_rt5632 = {
936 	.components = "codec:rt5632",
937 	.dai_link = &tegra_rt5632_dai,
938 	.num_links = 1,
939 	.fully_routed = true,
940 };
941 
942 static const struct tegra_asoc_data tegra_rt5632_data = {
943 	.mclk_rate = tegra_machine_mclk_rate_512,
944 	.card = &snd_soc_tegra_rt5632,
945 	.add_common_dapm_widgets = true,
946 	.add_common_controls = true,
947 	.add_common_snd_ops = true,
948 	.add_headset_jack = true,
949 };
950 
951 /* RT5631 machine */
952 
953 SND_SOC_DAILINK_DEFS(rt5631_hifi,
954 	DAILINK_COMP_ARRAY(COMP_EMPTY()),
955 	DAILINK_COMP_ARRAY(COMP_CODEC(NULL, "rt5631-hifi")),
956 	DAILINK_COMP_ARRAY(COMP_EMPTY()));
957 
958 static struct snd_soc_dai_link tegra_rt5631_dai = {
959 	.name = "RT5631",
960 	.stream_name = "RT5631 PCM",
961 	.init = tegra_asoc_machine_init,
962 	.dai_fmt = SND_SOC_DAIFMT_I2S |
963 		   SND_SOC_DAIFMT_NB_NF |
964 		   SND_SOC_DAIFMT_CBS_CFS,
965 	SND_SOC_DAILINK_REG(rt5631_hifi),
966 };
967 
968 static struct snd_soc_card snd_soc_tegra_rt5631 = {
969 	.components = "codec:rt5631",
970 	.dai_link = &tegra_rt5631_dai,
971 	.num_links = 1,
972 	.fully_routed = true,
973 };
974 
975 static const struct tegra_asoc_data tegra_rt5631_data = {
976 	.mclk_rate = tegra_machine_mclk_rate_6mhz,
977 	.card = &snd_soc_tegra_rt5631,
978 	.add_common_dapm_widgets = true,
979 	.add_common_controls = true,
980 	.add_common_snd_ops = true,
981 	.add_mic_jack = true,
982 	.add_hp_jack = true,
983 };
984 
985 static const struct of_device_id tegra_machine_of_match[] = {
986 	{ .compatible = "nvidia,tegra-audio-trimslice", .data = &tegra_trimslice_data },
987 	{ .compatible = "nvidia,tegra-audio-max98090", .data = &tegra_max98090_data },
988 	{ .compatible = "nvidia,tegra-audio-max98088", .data = &tegra_max98088_data },
989 	{ .compatible = "nvidia,tegra-audio-max98089", .data = &tegra_max98088_data },
990 	{ .compatible = "nvidia,tegra-audio-sgtl5000", .data = &tegra_sgtl5000_data },
991 	{ .compatible = "nvidia,tegra-audio-wm9712", .data = &tegra_wm9712_data },
992 	{ .compatible = "nvidia,tegra-audio-wm8753", .data = &tegra_wm8753_data },
993 	{ .compatible = "nvidia,tegra-audio-rt5677", .data = &tegra_rt5677_data },
994 	{ .compatible = "nvidia,tegra-audio-rt5640", .data = &tegra_rt5640_data },
995 	{ .compatible = "nvidia,tegra-audio-alc5632", .data = &tegra_rt5632_data },
996 	{ .compatible = "nvidia,tegra-audio-rt5631", .data = &tegra_rt5631_data },
997 	{},
998 };
999 MODULE_DEVICE_TABLE(of, tegra_machine_of_match);
1000 
1001 static struct platform_driver tegra_asoc_machine_driver = {
1002 	.driver = {
1003 		.name = "tegra-audio",
1004 		.of_match_table = tegra_machine_of_match,
1005 		.pm = &snd_soc_pm_ops,
1006 	},
1007 	.probe = tegra_asoc_machine_probe,
1008 };
1009 module_platform_driver(tegra_asoc_machine_driver);
1010 
1011 MODULE_AUTHOR("Anatol Pomozov <anatol@google.com>");
1012 MODULE_AUTHOR("Andrey Danin <danindrey@mail.ru>");
1013 MODULE_AUTHOR("Dmitry Osipenko <digetx@gmail.com>");
1014 MODULE_AUTHOR("Ion Agorria <ion@agorria.com>");
1015 MODULE_AUTHOR("Leon Romanovsky <leon@leon.nu>");
1016 MODULE_AUTHOR("Lucas Stach <dev@lynxeye.de>");
1017 MODULE_AUTHOR("Marc Dietrich <marvin24@gmx.de>");
1018 MODULE_AUTHOR("Marcel Ziswiler <marcel@ziswiler.com>");
1019 MODULE_AUTHOR("Mike Rapoport <mike@compulab.co.il>");
1020 MODULE_AUTHOR("Stephen Warren <swarren@nvidia.com>");
1021 MODULE_AUTHOR("Svyatoslav Ryhel <clamor95@gmail.com>");
1022 MODULE_DESCRIPTION("Tegra machine ASoC driver");
1023 MODULE_LICENSE("GPL");
1024