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14#include <linux/dmi.h>
15#include <linux/gpio/consumer.h>
16#include <linux/module.h>
17#include <linux/platform_device.h>
18#include <linux/slab.h>
19#include <linux/acpi.h>
20#include <linux/clk.h>
21#include <sound/pcm.h>
22#include <sound/pcm_params.h>
23#include <sound/soc.h>
24#include <sound/soc-acpi.h>
25#include <sound/jack.h>
26#include "../../codecs/max98090.h"
27#include "../atom/sst-atom-controls.h"
28#include "../../codecs/ts3a227e.h"
29
30#define CHT_PLAT_CLK_3_HZ 19200000
31#define CHT_CODEC_DAI "HiFi"
32
33#define QUIRK_PMC_PLT_CLK_0 0x01
34
35struct cht_mc_private {
36 struct clk *mclk;
37 struct snd_soc_jack jack;
38 bool ts3a227e_present;
39 int quirks;
40};
41
42static int platform_clock_control(struct snd_soc_dapm_widget *w,
43 struct snd_kcontrol *k, int event)
44{
45 struct snd_soc_dapm_context *dapm = w->dapm;
46 struct snd_soc_card *card = dapm->card;
47 struct snd_soc_dai *codec_dai;
48 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
49 int ret;
50
51
52 if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
53 return 0;
54
55 codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI);
56 if (!codec_dai) {
57 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
58 return -EIO;
59 }
60
61 if (SND_SOC_DAPM_EVENT_ON(event)) {
62 ret = clk_prepare_enable(ctx->mclk);
63 if (ret < 0) {
64 dev_err(card->dev,
65 "could not configure MCLK state");
66 return ret;
67 }
68 } else {
69 clk_disable_unprepare(ctx->mclk);
70 }
71
72 return 0;
73}
74
75static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
76 SND_SOC_DAPM_HP("Headphone", NULL),
77 SND_SOC_DAPM_MIC("Headset Mic", NULL),
78 SND_SOC_DAPM_MIC("Int Mic", NULL),
79 SND_SOC_DAPM_SPK("Ext Spk", NULL),
80 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
81 platform_clock_control, SND_SOC_DAPM_PRE_PMU |
82 SND_SOC_DAPM_POST_PMD),
83};
84
85static const struct snd_soc_dapm_route cht_audio_map[] = {
86 {"IN34", NULL, "Headset Mic"},
87 {"Headset Mic", NULL, "MICBIAS"},
88 {"DMICL", NULL, "Int Mic"},
89 {"Headphone", NULL, "HPL"},
90 {"Headphone", NULL, "HPR"},
91 {"Ext Spk", NULL, "SPKL"},
92 {"Ext Spk", NULL, "SPKR"},
93 {"HiFi Playback", NULL, "ssp2 Tx"},
94 {"ssp2 Tx", NULL, "codec_out0"},
95 {"ssp2 Tx", NULL, "codec_out1"},
96 {"codec_in0", NULL, "ssp2 Rx" },
97 {"codec_in1", NULL, "ssp2 Rx" },
98 {"ssp2 Rx", NULL, "HiFi Capture"},
99 {"Headphone", NULL, "Platform Clock"},
100 {"Headset Mic", NULL, "Platform Clock"},
101 {"Int Mic", NULL, "Platform Clock"},
102 {"Ext Spk", NULL, "Platform Clock"},
103};
104
105static const struct snd_kcontrol_new cht_mc_controls[] = {
106 SOC_DAPM_PIN_SWITCH("Headphone"),
107 SOC_DAPM_PIN_SWITCH("Headset Mic"),
108 SOC_DAPM_PIN_SWITCH("Int Mic"),
109 SOC_DAPM_PIN_SWITCH("Ext Spk"),
110};
111
112static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
113 struct snd_pcm_hw_params *params)
114{
115 struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
116 struct snd_soc_dai *codec_dai = asoc_rtd_to_codec(rtd, 0);
117 int ret;
118
119 ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK,
120 CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN);
121 if (ret < 0) {
122 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
123 return ret;
124 }
125
126 return 0;
127}
128
129static int cht_ti_jack_event(struct notifier_block *nb,
130 unsigned long event, void *data)
131{
132 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
133 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
134
135 if (event & SND_JACK_MICROPHONE) {
136 snd_soc_dapm_force_enable_pin(dapm, "SHDN");
137 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
138 snd_soc_dapm_sync(dapm);
139 } else {
140 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
141 snd_soc_dapm_disable_pin(dapm, "SHDN");
142 snd_soc_dapm_sync(dapm);
143 }
144
145 return 0;
146}
147
148static struct notifier_block cht_jack_nb = {
149 .notifier_call = cht_ti_jack_event,
150};
151
152static struct snd_soc_jack_pin hs_jack_pins[] = {
153 {
154 .pin = "Headphone",
155 .mask = SND_JACK_HEADPHONE,
156 },
157 {
158 .pin = "Headset Mic",
159 .mask = SND_JACK_MICROPHONE,
160 },
161};
162
163static struct snd_soc_jack_gpio hs_jack_gpios[] = {
164 {
165 .name = "hp",
166 .report = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
167 .debounce_time = 200,
168 },
169 {
170 .name = "mic",
171 .invert = 1,
172 .report = SND_JACK_MICROPHONE,
173 .debounce_time = 200,
174 },
175};
176
177static const struct acpi_gpio_params hp_gpios = { 0, 0, false };
178static const struct acpi_gpio_params mic_gpios = { 1, 0, false };
179
180static const struct acpi_gpio_mapping acpi_max98090_gpios[] = {
181 { "hp-gpios", &hp_gpios, 1 },
182 { "mic-gpios", &mic_gpios, 1 },
183 {},
184};
185
186static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
187{
188 int ret;
189 int jack_type;
190 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
191 struct snd_soc_jack *jack = &ctx->jack;
192
193 if (ctx->ts3a227e_present) {
194
195
196
197
198 snd_soc_jack_notifier_register(jack, &cht_jack_nb);
199 return 0;
200 }
201
202 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
203
204 ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
205 jack_type, jack,
206 hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
207 if (ret) {
208 dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
209 return ret;
210 }
211
212 ret = snd_soc_jack_add_gpiods(runtime->card->dev->parent, jack,
213 ARRAY_SIZE(hs_jack_gpios),
214 hs_jack_gpios);
215 if (ret) {
216
217
218
219
220 dev_err(runtime->dev,
221 "jack detection gpios not added, error %d\n", ret);
222 }
223
224
225 if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
226 return 0;
227
228
229
230
231
232
233
234
235
236
237
238 ret = clk_prepare_enable(ctx->mclk);
239 if (!ret)
240 clk_disable_unprepare(ctx->mclk);
241
242 ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
243
244 if (ret)
245 dev_err(runtime->dev, "unable to set MCLK rate\n");
246
247 return ret;
248}
249
250static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
251 struct snd_pcm_hw_params *params)
252{
253 struct snd_interval *rate = hw_param_interval(params,
254 SNDRV_PCM_HW_PARAM_RATE);
255 struct snd_interval *channels = hw_param_interval(params,
256 SNDRV_PCM_HW_PARAM_CHANNELS);
257 int ret = 0;
258 unsigned int fmt = 0;
259
260 ret = snd_soc_dai_set_tdm_slot(asoc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, 16);
261 if (ret < 0) {
262 dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret);
263 return ret;
264 }
265
266 fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
267 | SND_SOC_DAIFMT_CBC_CFC;
268
269 ret = snd_soc_dai_set_fmt(asoc_rtd_to_cpu(rtd, 0), fmt);
270 if (ret < 0) {
271 dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret);
272 return ret;
273 }
274
275
276 rate->min = rate->max = 48000;
277 channels->min = channels->max = 2;
278
279
280 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
281 return 0;
282}
283
284static int cht_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 int cht_max98090_headset_init(struct snd_soc_component *component)
291{
292 struct snd_soc_card *card = component->card;
293 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
294 struct snd_soc_jack *jack = &ctx->jack;
295 int jack_type;
296 int ret;
297
298
299
300
301
302
303
304
305 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
306 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
307 SND_JACK_BTN_2 | SND_JACK_BTN_3;
308
309 ret = snd_soc_card_jack_new(card, "Headset Jack", jack_type,
310 jack, NULL, 0);
311 if (ret) {
312 dev_err(card->dev, "Headset Jack creation failed %d\n", ret);
313 return ret;
314 }
315
316 return ts3a227e_enable_jack_detect(component, jack);
317}
318
319static const struct snd_soc_ops cht_aif1_ops = {
320 .startup = cht_aif1_startup,
321};
322
323static const struct snd_soc_ops cht_be_ssp2_ops = {
324 .hw_params = cht_aif1_hw_params,
325};
326
327static struct snd_soc_aux_dev cht_max98090_headset_dev = {
328 .dlc = COMP_AUX("i2c-104C227E:00"),
329 .init = cht_max98090_headset_init,
330};
331
332SND_SOC_DAILINK_DEF(dummy,
333 DAILINK_COMP_ARRAY(COMP_DUMMY()));
334
335SND_SOC_DAILINK_DEF(media,
336 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
337
338SND_SOC_DAILINK_DEF(deepbuffer,
339 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
340
341SND_SOC_DAILINK_DEF(ssp2_port,
342 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
343SND_SOC_DAILINK_DEF(ssp2_codec,
344 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-193C9890:00", "HiFi")));
345
346SND_SOC_DAILINK_DEF(platform,
347 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
348
349static struct snd_soc_dai_link cht_dailink[] = {
350 [MERR_DPCM_AUDIO] = {
351 .name = "Audio Port",
352 .stream_name = "Audio",
353 .nonatomic = true,
354 .dynamic = 1,
355 .dpcm_playback = 1,
356 .dpcm_capture = 1,
357 .ops = &cht_aif1_ops,
358 SND_SOC_DAILINK_REG(media, dummy, platform),
359 },
360 [MERR_DPCM_DEEP_BUFFER] = {
361 .name = "Deep-Buffer Audio Port",
362 .stream_name = "Deep-Buffer Audio",
363 .nonatomic = true,
364 .dynamic = 1,
365 .dpcm_playback = 1,
366 .ops = &cht_aif1_ops,
367 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
368 },
369
370 {
371 .name = "SSP2-Codec",
372 .id = 0,
373 .no_pcm = 1,
374 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
375 | SND_SOC_DAIFMT_CBC_CFC,
376 .init = cht_codec_init,
377 .be_hw_params_fixup = cht_codec_fixup,
378 .dpcm_playback = 1,
379 .dpcm_capture = 1,
380 .ops = &cht_be_ssp2_ops,
381 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
382 },
383};
384
385
386#define SOF_CARD_NAME "bytcht max98090"
387#define SOF_DRIVER_NAME "SOF"
388
389#define CARD_NAME "chtmax98090"
390#define DRIVER_NAME NULL
391
392
393static struct snd_soc_card snd_soc_card_cht = {
394 .owner = THIS_MODULE,
395 .dai_link = cht_dailink,
396 .num_links = ARRAY_SIZE(cht_dailink),
397 .aux_dev = &cht_max98090_headset_dev,
398 .num_aux_devs = 1,
399 .dapm_widgets = cht_dapm_widgets,
400 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
401 .dapm_routes = cht_audio_map,
402 .num_dapm_routes = ARRAY_SIZE(cht_audio_map),
403 .controls = cht_mc_controls,
404 .num_controls = ARRAY_SIZE(cht_mc_controls),
405};
406
407static const struct dmi_system_id cht_max98090_quirk_table[] = {
408 {
409
410 .matches = {
411 DMI_MATCH(DMI_PRODUCT_NAME, "Banjo"),
412 },
413 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
414 },
415 {
416
417 .matches = {
418 DMI_MATCH(DMI_PRODUCT_NAME, "Candy"),
419 },
420 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
421 },
422 {
423
424 .matches = {
425 DMI_MATCH(DMI_PRODUCT_NAME, "Clapper"),
426 },
427 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
428 },
429 {
430
431 .matches = {
432 DMI_MATCH(DMI_PRODUCT_NAME, "Cyan"),
433 },
434 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
435 },
436 {
437
438 .matches = {
439 DMI_MATCH(DMI_PRODUCT_NAME, "Enguarde"),
440 },
441 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
442 },
443 {
444
445 .matches = {
446 DMI_MATCH(DMI_PRODUCT_NAME, "Glimmer"),
447 },
448 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
449 },
450 {
451
452 .matches = {
453 DMI_MATCH(DMI_PRODUCT_NAME, "Gnawty"),
454 },
455 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
456 },
457 {
458
459 .matches = {
460 DMI_MATCH(DMI_PRODUCT_NAME, "Heli"),
461 },
462 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
463 },
464 {
465
466 .matches = {
467 DMI_MATCH(DMI_PRODUCT_NAME, "Kip"),
468 },
469 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
470 },
471 {
472
473 .matches = {
474 DMI_MATCH(DMI_PRODUCT_NAME, "Ninja"),
475 },
476 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
477 },
478 {
479
480 .matches = {
481 DMI_MATCH(DMI_PRODUCT_NAME, "Orco"),
482 },
483 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
484 },
485 {
486
487 .matches = {
488 DMI_MATCH(DMI_PRODUCT_NAME, "Quawks"),
489 },
490 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
491 },
492 {
493
494 .matches = {
495 DMI_MATCH(DMI_PRODUCT_NAME, "Rambi"),
496 },
497 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
498 },
499 {
500
501 .matches = {
502 DMI_MATCH(DMI_PRODUCT_NAME, "Squawks"),
503 },
504 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
505 },
506 {
507
508 .matches = {
509 DMI_MATCH(DMI_PRODUCT_NAME, "Sumo"),
510 },
511 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
512 },
513 {
514
515 .matches = {
516 DMI_MATCH(DMI_PRODUCT_NAME, "Swanky"),
517 },
518 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
519 },
520 {
521
522 .matches = {
523 DMI_MATCH(DMI_PRODUCT_NAME, "Winky"),
524 },
525 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
526 },
527 {}
528};
529
530static int snd_cht_mc_probe(struct platform_device *pdev)
531{
532 const struct dmi_system_id *dmi_id;
533 struct device *dev = &pdev->dev;
534 int ret_val = 0;
535 struct cht_mc_private *drv;
536 const char *mclk_name;
537 struct snd_soc_acpi_mach *mach;
538 const char *platform_name;
539 bool sof_parent;
540
541 drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
542 if (!drv)
543 return -ENOMEM;
544
545 dmi_id = dmi_first_match(cht_max98090_quirk_table);
546 if (dmi_id)
547 drv->quirks = (unsigned long)dmi_id->driver_data;
548
549 drv->ts3a227e_present = acpi_dev_found("104C227E");
550 if (!drv->ts3a227e_present) {
551
552 snd_soc_card_cht.aux_dev = NULL;
553 snd_soc_card_cht.num_aux_devs = 0;
554
555 ret_val = devm_acpi_dev_add_driver_gpios(dev->parent,
556 acpi_max98090_gpios);
557 if (ret_val)
558 dev_dbg(dev, "Unable to add GPIO mapping table\n");
559 }
560
561
562 snd_soc_card_cht.dev = &pdev->dev;
563 mach = pdev->dev.platform_data;
564 platform_name = mach->mach_params.platform;
565
566 ret_val = snd_soc_fixup_dai_links_platform_name(&snd_soc_card_cht,
567 platform_name);
568 if (ret_val)
569 return ret_val;
570
571
572 snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
573
574 if (drv->quirks & QUIRK_PMC_PLT_CLK_0)
575 mclk_name = "pmc_plt_clk_0";
576 else
577 mclk_name = "pmc_plt_clk_3";
578
579 drv->mclk = devm_clk_get(&pdev->dev, mclk_name);
580 if (IS_ERR(drv->mclk)) {
581 dev_err(&pdev->dev,
582 "Failed to get MCLK from %s: %ld\n",
583 mclk_name, PTR_ERR(drv->mclk));
584 return PTR_ERR(drv->mclk);
585 }
586
587
588
589
590
591
592
593
594 if (drv->quirks & QUIRK_PMC_PLT_CLK_0) {
595 ret_val = clk_prepare_enable(drv->mclk);
596 if (ret_val < 0) {
597 dev_err(&pdev->dev, "MCLK enable error: %d\n", ret_val);
598 return ret_val;
599 }
600 }
601
602 sof_parent = snd_soc_acpi_sof_parent(&pdev->dev);
603
604
605 if (sof_parent) {
606 snd_soc_card_cht.name = SOF_CARD_NAME;
607 snd_soc_card_cht.driver_name = SOF_DRIVER_NAME;
608 } else {
609 snd_soc_card_cht.name = CARD_NAME;
610 snd_soc_card_cht.driver_name = DRIVER_NAME;
611 }
612
613
614 if (sof_parent)
615 dev->driver->pm = &snd_soc_pm_ops;
616
617 ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
618 if (ret_val) {
619 dev_err(&pdev->dev,
620 "snd_soc_register_card failed %d\n", ret_val);
621 return ret_val;
622 }
623 platform_set_drvdata(pdev, &snd_soc_card_cht);
624 return ret_val;
625}
626
627static int snd_cht_mc_remove(struct platform_device *pdev)
628{
629 struct snd_soc_card *card = platform_get_drvdata(pdev);
630 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
631
632 if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
633 clk_disable_unprepare(ctx->mclk);
634
635 return 0;
636}
637
638static struct platform_driver snd_cht_mc_driver = {
639 .driver = {
640 .name = "cht-bsw-max98090",
641 },
642 .probe = snd_cht_mc_probe,
643 .remove = snd_cht_mc_remove,
644};
645
646module_platform_driver(snd_cht_mc_driver)
647
648MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
649MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
650MODULE_LICENSE("GPL v2");
651MODULE_ALIAS("platform:cht-bsw-max98090");
652
