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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 struct device *codec_dev;
41 bool speaker_en;
42};
43
44enum {
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
54static unsigned long quirk;
55
56static int quirk_override = -1;
57module_param_named(quirk, quirk_override, int, 0444);
58MODULE_PARM_DESC(quirk, "Board-specific quirk override");
59
60static 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
74static 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
90static 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
101static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = {
102 {"Headphone", NULL, "HPOL"},
103 {"Headphone", NULL, "HPOR"},
104
105
106
107
108
109 {"Speaker", NULL, "HPOL"},
110 {"Speaker", NULL, "HPOR"},
111 {"Speaker", NULL, "Speaker Power"},
112};
113
114static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = {
115 {"MIC1", NULL, "Internal Mic"},
116 {"MIC2", NULL, "Headset Mic"},
117};
118
119static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = {
120 {"MIC2", NULL, "Internal Mic"},
121 {"MIC1", NULL, "Headset Mic"},
122};
123
124static 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
131static 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
140static 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
147static 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
158static 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
197
198
199
200
201
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
237static 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
247 rate->min = rate->max = 48000;
248 channels->min = channels->max = 2;
249
250 if (quirk & BYT_CHT_ES8316_SSP0) {
251
252 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
253 bits = 16;
254 } else {
255
256 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
257 bits = 24;
258 }
259
260
261
262
263
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_CBS_CFS
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
284static 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
290static const struct snd_soc_ops byt_cht_es8316_aif1_ops = {
291 .startup = byt_cht_es8316_aif1_startup,
292};
293
294SND_SOC_DAILINK_DEF(dummy,
295 DAILINK_COMP_ARRAY(COMP_DUMMY()));
296
297SND_SOC_DAILINK_DEF(media,
298 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
299
300SND_SOC_DAILINK_DEF(deepbuffer,
301 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
302
303SND_SOC_DAILINK_DEF(ssp2_port,
304 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
305SND_SOC_DAILINK_DEF(ssp2_codec,
306 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi")));
307
308SND_SOC_DAILINK_DEF(platform,
309 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
310
311static 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
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_CBS_CFS,
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
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
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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 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
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 } else {
496 dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
497 return -ENXIO;
498 }
499
500
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
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
516 quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP |
517 BYT_CHT_ES8316_MONO_SPEAKER;
518 } else {
519
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
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
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
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
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 goto err_put_codec;
610 }
611 platform_set_drvdata(pdev, &byt_cht_es8316_card);
612 return 0;
613
614err_put_codec:
615 device_remove_software_node(priv->codec_dev);
616 put_device(priv->codec_dev);
617 return ret;
618}
619
620static 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
631static 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
639module_platform_driver(snd_byt_cht_es8316_mc_driver);
640MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
641MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
642MODULE_LICENSE("GPL v2");
643MODULE_ALIAS("platform:bytcht_es8316");
644
