This source file includes following definitions.
- platform_clock_control
- cht_aif1_hw_params
- cht_ti_jack_event
- cht_codec_init
- cht_codec_fixup
- cht_aif1_startup
- cht_max98090_headset_init
- snd_cht_mc_probe
- snd_cht_mc_remove
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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
35 struct cht_mc_private {
36 struct clk *mclk;
37 struct snd_soc_jack jack;
38 bool ts3a227e_present;
39 int quirks;
40 };
41
42 static 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
75 static 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
85 static 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
105 static 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
112 static 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 = substream->private_data;
116 struct snd_soc_dai *codec_dai = rtd->codec_dai;
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
129 static 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
148 static struct notifier_block cht_jack_nb = {
149 .notifier_call = cht_ti_jack_event,
150 };
151
152 static 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
163 static 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
177 static const struct acpi_gpio_params hp_gpios = { 0, 0, false };
178 static const struct acpi_gpio_params mic_gpios = { 1, 0, false };
179
180 static const struct acpi_gpio_mapping acpi_max98090_gpios[] = {
181 { "hp-gpios", &hp_gpios, 1 },
182 { "mic-gpios", &mic_gpios, 1 },
183 {},
184 };
185
186 static 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
250 static 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(rtd->cpu_dai, 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_CBS_CFS;
268
269 ret = snd_soc_dai_set_fmt(rtd->cpu_dai, 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
284 static 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
290 static 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
319 static const struct snd_soc_ops cht_aif1_ops = {
320 .startup = cht_aif1_startup,
321 };
322
323 static const struct snd_soc_ops cht_be_ssp2_ops = {
324 .hw_params = cht_aif1_hw_params,
325 };
326
327 static struct snd_soc_aux_dev cht_max98090_headset_dev = {
328 .dlc = COMP_AUX("i2c-104C227E:00"),
329 .init = cht_max98090_headset_init,
330 };
331
332 SND_SOC_DAILINK_DEF(dummy,
333 DAILINK_COMP_ARRAY(COMP_DUMMY()));
334
335 SND_SOC_DAILINK_DEF(media,
336 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
337
338 SND_SOC_DAILINK_DEF(deepbuffer,
339 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
340
341 SND_SOC_DAILINK_DEF(ssp2_port,
342 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
343 SND_SOC_DAILINK_DEF(ssp2_codec,
344 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-193C9890:00", "HiFi")));
345
346 SND_SOC_DAILINK_DEF(platform,
347 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
348
349 static 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_CBS_CFS,
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 static struct snd_soc_card snd_soc_card_cht = {
387 .name = "chtmax98090",
388 .owner = THIS_MODULE,
389 .dai_link = cht_dailink,
390 .num_links = ARRAY_SIZE(cht_dailink),
391 .aux_dev = &cht_max98090_headset_dev,
392 .num_aux_devs = 1,
393 .dapm_widgets = cht_dapm_widgets,
394 .num_dapm_widgets = ARRAY_SIZE(cht_dapm_widgets),
395 .dapm_routes = cht_audio_map,
396 .num_dapm_routes = ARRAY_SIZE(cht_audio_map),
397 .controls = cht_mc_controls,
398 .num_controls = ARRAY_SIZE(cht_mc_controls),
399 };
400
401 static const struct dmi_system_id cht_max98090_quirk_table[] = {
402 {
403
404 .matches = {
405 DMI_MATCH(DMI_PRODUCT_NAME, "Banjo"),
406 },
407 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
408 },
409 {
410
411 .matches = {
412 DMI_MATCH(DMI_PRODUCT_NAME, "Candy"),
413 },
414 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
415 },
416 {
417
418 .matches = {
419 DMI_MATCH(DMI_PRODUCT_NAME, "Clapper"),
420 },
421 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
422 },
423 {
424
425 .matches = {
426 DMI_MATCH(DMI_PRODUCT_NAME, "Cyan"),
427 },
428 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
429 },
430 {
431
432 .matches = {
433 DMI_MATCH(DMI_PRODUCT_NAME, "Enguarde"),
434 },
435 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
436 },
437 {
438
439 .matches = {
440 DMI_MATCH(DMI_PRODUCT_NAME, "Glimmer"),
441 },
442 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
443 },
444 {
445
446 .matches = {
447 DMI_MATCH(DMI_PRODUCT_NAME, "Gnawty"),
448 },
449 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
450 },
451 {
452
453 .matches = {
454 DMI_MATCH(DMI_PRODUCT_NAME, "Heli"),
455 },
456 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
457 },
458 {
459
460 .matches = {
461 DMI_MATCH(DMI_PRODUCT_NAME, "Kip"),
462 },
463 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
464 },
465 {
466
467 .matches = {
468 DMI_MATCH(DMI_PRODUCT_NAME, "Ninja"),
469 },
470 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
471 },
472 {
473
474 .matches = {
475 DMI_MATCH(DMI_PRODUCT_NAME, "Orco"),
476 },
477 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
478 },
479 {
480
481 .matches = {
482 DMI_MATCH(DMI_PRODUCT_NAME, "Quawks"),
483 },
484 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
485 },
486 {
487
488 .matches = {
489 DMI_MATCH(DMI_PRODUCT_NAME, "Rambi"),
490 },
491 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
492 },
493 {
494
495 .matches = {
496 DMI_MATCH(DMI_PRODUCT_NAME, "Squawks"),
497 },
498 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
499 },
500 {
501
502 .matches = {
503 DMI_MATCH(DMI_PRODUCT_NAME, "Sumo"),
504 },
505 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
506 },
507 {
508
509 .matches = {
510 DMI_MATCH(DMI_PRODUCT_NAME, "Swanky"),
511 },
512 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
513 },
514 {
515
516 .matches = {
517 DMI_MATCH(DMI_PRODUCT_NAME, "Winky"),
518 },
519 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
520 },
521 {}
522 };
523
524 static int snd_cht_mc_probe(struct platform_device *pdev)
525 {
526 const struct dmi_system_id *dmi_id;
527 struct device *dev = &pdev->dev;
528 int ret_val = 0;
529 struct cht_mc_private *drv;
530 const char *mclk_name;
531 struct snd_soc_acpi_mach *mach;
532 const char *platform_name;
533
534 drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
535 if (!drv)
536 return -ENOMEM;
537
538 dmi_id = dmi_first_match(cht_max98090_quirk_table);
539 if (dmi_id)
540 drv->quirks = (unsigned long)dmi_id->driver_data;
541
542 drv->ts3a227e_present = acpi_dev_found("104C227E");
543 if (!drv->ts3a227e_present) {
544
545 snd_soc_card_cht.aux_dev = NULL;
546 snd_soc_card_cht.num_aux_devs = 0;
547
548 ret_val = devm_acpi_dev_add_driver_gpios(dev->parent,
549 acpi_max98090_gpios);
550 if (ret_val)
551 dev_dbg(dev, "Unable to add GPIO mapping table\n");
552 }
553
554
555 snd_soc_card_cht.dev = &pdev->dev;
556 mach = (&pdev->dev)->platform_data;
557 platform_name = mach->mach_params.platform;
558
559 ret_val = snd_soc_fixup_dai_links_platform_name(&snd_soc_card_cht,
560 platform_name);
561 if (ret_val)
562 return ret_val;
563
564
565 snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
566
567 if (drv->quirks & QUIRK_PMC_PLT_CLK_0)
568 mclk_name = "pmc_plt_clk_0";
569 else
570 mclk_name = "pmc_plt_clk_3";
571
572 drv->mclk = devm_clk_get(&pdev->dev, mclk_name);
573 if (IS_ERR(drv->mclk)) {
574 dev_err(&pdev->dev,
575 "Failed to get MCLK from %s: %ld\n",
576 mclk_name, PTR_ERR(drv->mclk));
577 return PTR_ERR(drv->mclk);
578 }
579
580
581
582
583
584
585
586
587 if (drv->quirks & QUIRK_PMC_PLT_CLK_0) {
588 ret_val = clk_prepare_enable(drv->mclk);
589 if (ret_val < 0) {
590 dev_err(&pdev->dev, "MCLK enable error: %d\n", ret_val);
591 return ret_val;
592 }
593 }
594
595 ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
596 if (ret_val) {
597 dev_err(&pdev->dev,
598 "snd_soc_register_card failed %d\n", ret_val);
599 return ret_val;
600 }
601 platform_set_drvdata(pdev, &snd_soc_card_cht);
602 return ret_val;
603 }
604
605 static int snd_cht_mc_remove(struct platform_device *pdev)
606 {
607 struct snd_soc_card *card = platform_get_drvdata(pdev);
608 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
609
610 if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
611 clk_disable_unprepare(ctx->mclk);
612
613 return 0;
614 }
615
616 static struct platform_driver snd_cht_mc_driver = {
617 .driver = {
618 .name = "cht-bsw-max98090",
619 },
620 .probe = snd_cht_mc_probe,
621 .remove = snd_cht_mc_remove,
622 };
623
624 module_platform_driver(snd_cht_mc_driver)
625
626 MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
627 MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
628 MODULE_LICENSE("GPL v2");
629 MODULE_ALIAS("platform:cht-bsw-max98090");