1
2
3
4
5
6
7
8
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
34#define MAX_NO_PROPS 2
35
36struct 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
43enum {
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
53static unsigned long quirk;
54
55static int quirk_override = -1;
56module_param_named(quirk, quirk_override, int, 0444);
57MODULE_PARM_DESC(quirk, "Board-specific quirk override");
58
59static 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
73static 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
89static 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
100static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = {
101 {"Headphone", NULL, "HPOL"},
102 {"Headphone", NULL, "HPOR"},
103
104
105
106
107
108 {"Speaker", NULL, "HPOL"},
109 {"Speaker", NULL, "HPOR"},
110 {"Speaker", NULL, "Speaker Power"},
111};
112
113static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = {
114 {"MIC1", NULL, "Internal Mic"},
115 {"MIC2", NULL, "Headset Mic"},
116};
117
118static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = {
119 {"MIC2", NULL, "Internal Mic"},
120 {"MIC1", NULL, "Headset Mic"},
121};
122
123static 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
130static 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
139static 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
146static 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
157static 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
196
197
198
199
200
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
236static 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
246 rate->min = rate->max = 48000;
247 channels->min = channels->max = 2;
248
249 if (quirk & BYT_CHT_ES8316_SSP0) {
250
251 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
252 bits = 16;
253 } else {
254
255 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
256 bits = 24;
257 }
258
259
260
261
262
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
283static 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
289static const struct snd_soc_ops byt_cht_es8316_aif1_ops = {
290 .startup = byt_cht_es8316_aif1_startup,
291};
292
293SND_SOC_DAILINK_DEF(dummy,
294 DAILINK_COMP_ARRAY(COMP_DUMMY()));
295
296SND_SOC_DAILINK_DEF(media,
297 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
298
299SND_SOC_DAILINK_DEF(deepbuffer,
300 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
301
302SND_SOC_DAILINK_DEF(ssp2_port,
303 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
304SND_SOC_DAILINK_DEF(ssp2_codec,
305 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi")));
306
307SND_SOC_DAILINK_DEF(platform,
308 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
309
310static 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
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 .nonatomic = true,
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
350static char codec_name[SND_ACPI_I2C_ID_LEN];
351#if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
352static char long_name[50];
353#endif
354static char components_string[32];
355
356static 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
371static 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
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401 gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
402
403 return 0;
404}
405
406
407#define SOF_CARD_NAME "bytcht es8316"
408#define SOF_DRIVER_NAME "SOF"
409
410#define CARD_NAME "bytcht-es8316"
411#define DRIVER_NAME NULL
412
413static 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
428static const struct acpi_gpio_params first_gpio = { 0, 0, false };
429
430static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = {
431 { "speaker-enable-gpios", &first_gpio, 1 },
432 { },
433};
434
435
436static const struct dmi_system_id byt_cht_es8316_quirk_table[] = {
437 {
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 {
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
457static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
458{
459 static const char * const mic_name[] = { "in1", "in2" };
460 struct property_entry props[MAX_NO_PROPS] = {};
461 struct byt_cht_es8316_private *priv;
462 const struct dmi_system_id *dmi_id;
463 struct device *dev = &pdev->dev;
464 struct snd_soc_acpi_mach *mach;
465 const char *platform_name;
466 struct acpi_device *adev;
467 struct device *codec_dev;
468 bool sof_parent;
469 unsigned int cnt = 0;
470 int dai_index = 0;
471 int i;
472 int ret = 0;
473
474 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
475 if (!priv)
476 return -ENOMEM;
477
478 mach = dev->platform_data;
479
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
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 }
496
497
498 byt_cht_es8316_card.dev = dev;
499 platform_name = mach->mach_params.platform;
500
501 ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card,
502 platform_name);
503 if (ret)
504 return ret;
505
506
507 dmi_id = dmi_first_match(byt_cht_es8316_quirk_table);
508 if (dmi_id) {
509 quirk = (unsigned long)dmi_id->driver_data;
510 } else if (soc_intel_is_byt() &&
511 mach->mach_params.acpi_ipc_irq_index == 0) {
512
513 quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP |
514 BYT_CHT_ES8316_MONO_SPEAKER;
515 } else {
516
517 quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP |
518 BYT_CHT_ES8316_MONO_SPEAKER;
519 }
520 if (quirk_override != -1) {
521 dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n",
522 quirk, quirk_override);
523 quirk = quirk_override;
524 }
525 log_quirks(dev);
526
527 if (quirk & BYT_CHT_ES8316_SSP0)
528 byt_cht_es8316_dais[dai_index].cpus->dai_name = "ssp0-port";
529
530
531 priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");
532 if (IS_ERR(priv->mclk)) {
533 ret = PTR_ERR(priv->mclk);
534 dev_err(dev, "clk_get pmc_plt_clk_3 failed: %d\n", ret);
535 return ret;
536 }
537
538
539 codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL, codec_name);
540 if (!codec_dev)
541 return -EPROBE_DEFER;
542
543 if (quirk & BYT_CHT_ES8316_JD_INVERTED)
544 props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
545
546 if (cnt) {
547 ret = device_add_properties(codec_dev, props);
548 if (ret) {
549 put_device(codec_dev);
550 return ret;
551 }
552 }
553
554 devm_acpi_dev_add_driver_gpios(codec_dev, byt_cht_es8316_gpios);
555 priv->speaker_en_gpio =
556 gpiod_get_index(codec_dev, "speaker-enable", 0,
557
558 GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE);
559 put_device(codec_dev);
560
561 if (IS_ERR(priv->speaker_en_gpio)) {
562 ret = PTR_ERR(priv->speaker_en_gpio);
563 switch (ret) {
564 case -ENOENT:
565 priv->speaker_en_gpio = NULL;
566 break;
567 default:
568 dev_err(dev, "get speaker GPIO failed: %d\n", ret);
569 fallthrough;
570 case -EPROBE_DEFER:
571 return ret;
572 }
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(&pdev->dev);
588
589
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
599 if (sof_parent)
600 dev->driver->pm = &snd_soc_pm_ops;
601
602
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 return ret;
610 }
611 platform_set_drvdata(pdev, &byt_cht_es8316_card);
612 return 0;
613}
614
615static int snd_byt_cht_es8316_mc_remove(struct platform_device *pdev)
616{
617 struct snd_soc_card *card = platform_get_drvdata(pdev);
618 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
619
620 gpiod_put(priv->speaker_en_gpio);
621 return 0;
622}
623
624static struct platform_driver snd_byt_cht_es8316_mc_driver = {
625 .driver = {
626 .name = "bytcht_es8316",
627 },
628 .probe = snd_byt_cht_es8316_mc_probe,
629 .remove = snd_byt_cht_es8316_mc_remove,
630};
631
632module_platform_driver(snd_byt_cht_es8316_mc_driver);
633MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
634MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
635MODULE_LICENSE("GPL v2");
636MODULE_ALIAS("platform:bytcht_es8316");
637
