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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/sst-dsp.h"
32#include "../common/soc-intel-quirks.h"
33
34
35#define MAX_NO_PROPS 2
36
37struct byt_cht_es8316_private {
38 struct clk *mclk;
39 struct snd_soc_jack jack;
40 struct gpio_desc *speaker_en_gpio;
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 = runtime->codec_dai->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(runtime->codec_dai, 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 const struct snd_soc_pcm_stream byt_cht_es8316_dai_params = {
238 .formats = SNDRV_PCM_FMTBIT_S24_LE,
239 .rate_min = 48000,
240 .rate_max = 48000,
241 .channels_min = 2,
242 .channels_max = 2,
243};
244
245static int byt_cht_es8316_codec_fixup(struct snd_soc_pcm_runtime *rtd,
246 struct snd_pcm_hw_params *params)
247{
248 struct snd_interval *rate = hw_param_interval(params,
249 SNDRV_PCM_HW_PARAM_RATE);
250 struct snd_interval *channels = hw_param_interval(params,
251 SNDRV_PCM_HW_PARAM_CHANNELS);
252 int ret, bits;
253
254
255 rate->min = rate->max = 48000;
256 channels->min = channels->max = 2;
257
258 if (quirk & BYT_CHT_ES8316_SSP0) {
259
260 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
261 bits = 16;
262 } else {
263
264 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
265 bits = 24;
266 }
267
268
269
270
271
272
273 ret = snd_soc_dai_set_fmt(rtd->cpu_dai,
274 SND_SOC_DAIFMT_I2S |
275 SND_SOC_DAIFMT_NB_NF |
276 SND_SOC_DAIFMT_CBS_CFS
277 );
278 if (ret < 0) {
279 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
280 return ret;
281 }
282
283 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, bits);
284 if (ret < 0) {
285 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
286 return ret;
287 }
288
289 return 0;
290}
291
292static int byt_cht_es8316_aif1_startup(struct snd_pcm_substream *substream)
293{
294 return snd_pcm_hw_constraint_single(substream->runtime,
295 SNDRV_PCM_HW_PARAM_RATE, 48000);
296}
297
298static const struct snd_soc_ops byt_cht_es8316_aif1_ops = {
299 .startup = byt_cht_es8316_aif1_startup,
300};
301
302SND_SOC_DAILINK_DEF(dummy,
303 DAILINK_COMP_ARRAY(COMP_DUMMY()));
304
305SND_SOC_DAILINK_DEF(media,
306 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
307
308SND_SOC_DAILINK_DEF(deepbuffer,
309 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
310
311SND_SOC_DAILINK_DEF(ssp2_port,
312 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
313SND_SOC_DAILINK_DEF(ssp2_codec,
314 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi")));
315
316SND_SOC_DAILINK_DEF(platform,
317 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
318
319static struct snd_soc_dai_link byt_cht_es8316_dais[] = {
320 [MERR_DPCM_AUDIO] = {
321 .name = "Audio Port",
322 .stream_name = "Audio",
323 .nonatomic = true,
324 .dynamic = 1,
325 .dpcm_playback = 1,
326 .dpcm_capture = 1,
327 .ops = &byt_cht_es8316_aif1_ops,
328 SND_SOC_DAILINK_REG(media, dummy, platform),
329 },
330
331 [MERR_DPCM_DEEP_BUFFER] = {
332 .name = "Deep-Buffer Audio Port",
333 .stream_name = "Deep-Buffer Audio",
334 .nonatomic = true,
335 .dynamic = 1,
336 .dpcm_playback = 1,
337 .ops = &byt_cht_es8316_aif1_ops,
338 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
339 },
340
341
342 {
343
344
345
346 .name = "SSP2-Codec",
347 .id = 0,
348 .no_pcm = 1,
349 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
350 | SND_SOC_DAIFMT_CBS_CFS,
351 .be_hw_params_fixup = byt_cht_es8316_codec_fixup,
352 .nonatomic = true,
353 .dpcm_playback = 1,
354 .dpcm_capture = 1,
355 .init = byt_cht_es8316_init,
356 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
357 },
358};
359
360
361
362static char codec_name[SND_ACPI_I2C_ID_LEN];
363static char long_name[50];
364
365static int byt_cht_es8316_suspend(struct snd_soc_card *card)
366{
367 struct snd_soc_component *component;
368
369 for_each_card_components(card, component) {
370 if (!strcmp(component->name, codec_name)) {
371 dev_dbg(component->dev, "disabling jack detect before suspend\n");
372 snd_soc_component_set_jack(component, NULL, NULL);
373 break;
374 }
375 }
376
377 return 0;
378}
379
380static int byt_cht_es8316_resume(struct snd_soc_card *card)
381{
382 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
383 struct snd_soc_component *component;
384
385 for_each_card_components(card, component) {
386 if (!strcmp(component->name, codec_name)) {
387 dev_dbg(component->dev, "re-enabling jack detect after resume\n");
388 snd_soc_component_set_jack(component, &priv->jack, NULL);
389 break;
390 }
391 }
392
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408
409
410 gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
411
412 return 0;
413}
414
415static struct snd_soc_card byt_cht_es8316_card = {
416 .name = "bytcht-es8316",
417 .owner = THIS_MODULE,
418 .dai_link = byt_cht_es8316_dais,
419 .num_links = ARRAY_SIZE(byt_cht_es8316_dais),
420 .dapm_widgets = byt_cht_es8316_widgets,
421 .num_dapm_widgets = ARRAY_SIZE(byt_cht_es8316_widgets),
422 .dapm_routes = byt_cht_es8316_audio_map,
423 .num_dapm_routes = ARRAY_SIZE(byt_cht_es8316_audio_map),
424 .controls = byt_cht_es8316_controls,
425 .num_controls = ARRAY_SIZE(byt_cht_es8316_controls),
426 .fully_routed = true,
427 .suspend_pre = byt_cht_es8316_suspend,
428 .resume_post = byt_cht_es8316_resume,
429};
430
431static const struct acpi_gpio_params first_gpio = { 0, 0, false };
432
433static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = {
434 { "speaker-enable-gpios", &first_gpio, 1 },
435 { },
436};
437
438
439static const struct dmi_system_id byt_cht_es8316_quirk_table[] = {
440 {
441 .matches = {
442 DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"),
443 DMI_MATCH(DMI_PRODUCT_NAME, "NB41"),
444 },
445 .driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN2_MAP
446 | BYT_CHT_ES8316_JD_INVERTED),
447 },
448 {
449 .matches = {
450 DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
451 DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
452 },
453 .driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN1_MAP
454 | BYT_CHT_ES8316_JD_INVERTED),
455 },
456 {}
457};
458
459static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
460{
461 static const char * const mic_name[] = { "in1", "in2" };
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 device *dev = &pdev->dev;
466 struct snd_soc_acpi_mach *mach;
467 const char *platform_name;
468 struct acpi_device *adev;
469 struct device *codec_dev;
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 mach = dev->platform_data;
480
481 for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) {
482 if (!strcmp(byt_cht_es8316_dais[i].codecs->name,
483 "i2c-ESSX8316:00")) {
484 dai_index = i;
485 break;
486 }
487 }
488
489
490 adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
491 if (adev) {
492 snprintf(codec_name, sizeof(codec_name),
493 "i2c-%s", acpi_dev_name(adev));
494 put_device(&adev->dev);
495 byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
496 }
497
498
499 byt_cht_es8316_card.dev = dev;
500 platform_name = mach->mach_params.platform;
501
502 ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card,
503 platform_name);
504 if (ret)
505 return ret;
506
507
508 dmi_id = dmi_first_match(byt_cht_es8316_quirk_table);
509 if (dmi_id) {
510 quirk = (unsigned long)dmi_id->driver_data;
511 } else if (soc_intel_is_byt() &&
512 mach->mach_params.acpi_ipc_irq_index == 0) {
513
514 quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP |
515 BYT_CHT_ES8316_MONO_SPEAKER;
516 } else {
517
518 quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP |
519 BYT_CHT_ES8316_MONO_SPEAKER;
520 }
521 if (quirk_override != -1) {
522 dev_info(dev, "Overriding quirk 0x%x => 0x%x\n",
523 (unsigned int)quirk,
524 quirk_override);
525 quirk = quirk_override;
526 }
527 log_quirks(dev);
528
529 if (quirk & BYT_CHT_ES8316_SSP0)
530 byt_cht_es8316_dais[dai_index].cpus->dai_name = "ssp0-port";
531
532
533 priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");
534 if (IS_ERR(priv->mclk)) {
535 ret = PTR_ERR(priv->mclk);
536 dev_err(dev, "clk_get pmc_plt_clk_3 failed: %d\n", ret);
537 return ret;
538 }
539
540
541 codec_dev = bus_find_device_by_name(&i2c_bus_type, NULL, codec_name);
542 if (!codec_dev)
543 return -EPROBE_DEFER;
544
545 if (quirk & BYT_CHT_ES8316_JD_INVERTED)
546 props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
547
548 if (cnt) {
549 ret = device_add_properties(codec_dev, props);
550 if (ret)
551 return ret;
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
570 case -EPROBE_DEFER:
571 return ret;
572 }
573 }
574
575
576 snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic",
577 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo",
578 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
579 byt_cht_es8316_card.long_name = long_name;
580 snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);
581
582 ret = devm_snd_soc_register_card(dev, &byt_cht_es8316_card);
583 if (ret) {
584 gpiod_put(priv->speaker_en_gpio);
585 dev_err(dev, "snd_soc_register_card failed: %d\n", ret);
586 return ret;
587 }
588 platform_set_drvdata(pdev, &byt_cht_es8316_card);
589 return 0;
590}
591
592static int snd_byt_cht_es8316_mc_remove(struct platform_device *pdev)
593{
594 struct snd_soc_card *card = platform_get_drvdata(pdev);
595 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
596
597 gpiod_put(priv->speaker_en_gpio);
598 return 0;
599}
600
601static struct platform_driver snd_byt_cht_es8316_mc_driver = {
602 .driver = {
603 .name = "bytcht_es8316",
604 },
605 .probe = snd_byt_cht_es8316_mc_probe,
606 .remove = snd_byt_cht_es8316_mc_remove,
607};
608
609module_platform_driver(snd_byt_cht_es8316_mc_driver);
610MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
611MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
612MODULE_LICENSE("GPL v2");
613MODULE_ALIAS("platform:bytcht_es8316");
614
