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14#include <linux/dmi.h>
15#include <linux/module.h>
16#include <linux/platform_device.h>
17#include <linux/slab.h>
18#include <linux/acpi.h>
19#include <linux/clk.h>
20#include <sound/pcm.h>
21#include <sound/pcm_params.h>
22#include <sound/soc.h>
23#include <sound/soc-acpi.h>
24#include <sound/jack.h>
25#include "../../codecs/max98090.h"
26#include "../atom/sst-atom-controls.h"
27#include "../../codecs/ts3a227e.h"
28
29#define CHT_PLAT_CLK_3_HZ 19200000
30#define CHT_CODEC_DAI "HiFi"
31
32#define QUIRK_PMC_PLT_CLK_0 0x01
33
34struct cht_mc_private {
35 struct clk *mclk;
36 struct snd_soc_jack jack;
37 bool ts3a227e_present;
38 int quirks;
39};
40
41static int platform_clock_control(struct snd_soc_dapm_widget *w,
42 struct snd_kcontrol *k, int event)
43{
44 struct snd_soc_dapm_context *dapm = w->dapm;
45 struct snd_soc_card *card = dapm->card;
46 struct snd_soc_dai *codec_dai;
47 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
48 int ret;
49
50
51 if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
52 return 0;
53
54 codec_dai = snd_soc_card_get_codec_dai(card, CHT_CODEC_DAI);
55 if (!codec_dai) {
56 dev_err(card->dev, "Codec dai not found; Unable to set platform clock\n");
57 return -EIO;
58 }
59
60 if (SND_SOC_DAPM_EVENT_ON(event)) {
61 ret = clk_prepare_enable(ctx->mclk);
62 if (ret < 0) {
63 dev_err(card->dev,
64 "could not configure MCLK state");
65 return ret;
66 }
67 } else {
68 clk_disable_unprepare(ctx->mclk);
69 }
70
71 return 0;
72}
73
74static const struct snd_soc_dapm_widget cht_dapm_widgets[] = {
75 SND_SOC_DAPM_HP("Headphone", NULL),
76 SND_SOC_DAPM_MIC("Headset Mic", NULL),
77 SND_SOC_DAPM_MIC("Int Mic", NULL),
78 SND_SOC_DAPM_SPK("Ext Spk", NULL),
79 SND_SOC_DAPM_SUPPLY("Platform Clock", SND_SOC_NOPM, 0, 0,
80 platform_clock_control, SND_SOC_DAPM_PRE_PMU |
81 SND_SOC_DAPM_POST_PMD),
82};
83
84static const struct snd_soc_dapm_route cht_audio_map[] = {
85 {"IN34", NULL, "Headset Mic"},
86 {"Headset Mic", NULL, "MICBIAS"},
87 {"DMICL", NULL, "Int Mic"},
88 {"Headphone", NULL, "HPL"},
89 {"Headphone", NULL, "HPR"},
90 {"Ext Spk", NULL, "SPKL"},
91 {"Ext Spk", NULL, "SPKR"},
92 {"HiFi Playback", NULL, "ssp2 Tx"},
93 {"ssp2 Tx", NULL, "codec_out0"},
94 {"ssp2 Tx", NULL, "codec_out1"},
95 {"codec_in0", NULL, "ssp2 Rx" },
96 {"codec_in1", NULL, "ssp2 Rx" },
97 {"ssp2 Rx", NULL, "HiFi Capture"},
98 {"Headphone", NULL, "Platform Clock"},
99 {"Headset Mic", NULL, "Platform Clock"},
100 {"Int Mic", NULL, "Platform Clock"},
101 {"Ext Spk", NULL, "Platform Clock"},
102};
103
104static const struct snd_kcontrol_new cht_mc_controls[] = {
105 SOC_DAPM_PIN_SWITCH("Headphone"),
106 SOC_DAPM_PIN_SWITCH("Headset Mic"),
107 SOC_DAPM_PIN_SWITCH("Int Mic"),
108 SOC_DAPM_PIN_SWITCH("Ext Spk"),
109};
110
111static int cht_aif1_hw_params(struct snd_pcm_substream *substream,
112 struct snd_pcm_hw_params *params)
113{
114 struct snd_soc_pcm_runtime *rtd = substream->private_data;
115 struct snd_soc_dai *codec_dai = rtd->codec_dai;
116 int ret;
117
118 ret = snd_soc_dai_set_sysclk(codec_dai, M98090_REG_SYSTEM_CLOCK,
119 CHT_PLAT_CLK_3_HZ, SND_SOC_CLOCK_IN);
120 if (ret < 0) {
121 dev_err(rtd->dev, "can't set codec sysclk: %d\n", ret);
122 return ret;
123 }
124
125 return 0;
126}
127
128static int cht_ti_jack_event(struct notifier_block *nb,
129 unsigned long event, void *data)
130{
131 struct snd_soc_jack *jack = (struct snd_soc_jack *)data;
132 struct snd_soc_dapm_context *dapm = &jack->card->dapm;
133
134 if (event & SND_JACK_MICROPHONE) {
135 snd_soc_dapm_force_enable_pin(dapm, "SHDN");
136 snd_soc_dapm_force_enable_pin(dapm, "MICBIAS");
137 snd_soc_dapm_sync(dapm);
138 } else {
139 snd_soc_dapm_disable_pin(dapm, "MICBIAS");
140 snd_soc_dapm_disable_pin(dapm, "SHDN");
141 snd_soc_dapm_sync(dapm);
142 }
143
144 return 0;
145}
146
147static struct notifier_block cht_jack_nb = {
148 .notifier_call = cht_ti_jack_event,
149};
150
151static struct snd_soc_jack_pin hs_jack_pins[] = {
152 {
153 .pin = "Headphone",
154 .mask = SND_JACK_HEADPHONE,
155 },
156 {
157 .pin = "Headset Mic",
158 .mask = SND_JACK_MICROPHONE,
159 },
160};
161
162static struct snd_soc_jack_gpio hs_jack_gpios[] = {
163 {
164 .name = "hp",
165 .report = SND_JACK_HEADPHONE | SND_JACK_LINEOUT,
166 .debounce_time = 200,
167 },
168 {
169 .name = "mic",
170 .invert = 1,
171 .report = SND_JACK_MICROPHONE,
172 .debounce_time = 200,
173 },
174};
175
176static const struct acpi_gpio_params hp_gpios = { 0, 0, false };
177static const struct acpi_gpio_params mic_gpios = { 1, 0, false };
178
179static const struct acpi_gpio_mapping acpi_max98090_gpios[] = {
180 { "hp-gpios", &hp_gpios, 1 },
181 { "mic-gpios", &mic_gpios, 1 },
182 {},
183};
184
185static int cht_codec_init(struct snd_soc_pcm_runtime *runtime)
186{
187 int ret;
188 int jack_type;
189 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(runtime->card);
190 struct snd_soc_jack *jack = &ctx->jack;
191
192 if (ctx->ts3a227e_present) {
193
194
195
196
197 snd_soc_jack_notifier_register(jack, &cht_jack_nb);
198 return 0;
199 }
200
201 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE;
202
203 ret = snd_soc_card_jack_new(runtime->card, "Headset Jack",
204 jack_type, jack,
205 hs_jack_pins, ARRAY_SIZE(hs_jack_pins));
206 if (ret) {
207 dev_err(runtime->dev, "Headset Jack creation failed %d\n", ret);
208 return ret;
209 }
210
211 ret = snd_soc_jack_add_gpiods(runtime->card->dev->parent, jack,
212 ARRAY_SIZE(hs_jack_gpios),
213 hs_jack_gpios);
214 if (ret) {
215
216
217
218
219 dev_err(runtime->dev,
220 "jack detection gpios not added, error %d\n", ret);
221 }
222
223
224 if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
225 return 0;
226
227
228
229
230
231
232
233
234
235
236
237 ret = clk_prepare_enable(ctx->mclk);
238 if (!ret)
239 clk_disable_unprepare(ctx->mclk);
240
241 ret = clk_set_rate(ctx->mclk, CHT_PLAT_CLK_3_HZ);
242
243 if (ret)
244 dev_err(runtime->dev, "unable to set MCLK rate\n");
245
246 return ret;
247}
248
249static int cht_codec_fixup(struct snd_soc_pcm_runtime *rtd,
250 struct snd_pcm_hw_params *params)
251{
252 struct snd_interval *rate = hw_param_interval(params,
253 SNDRV_PCM_HW_PARAM_RATE);
254 struct snd_interval *channels = hw_param_interval(params,
255 SNDRV_PCM_HW_PARAM_CHANNELS);
256 int ret = 0;
257 unsigned int fmt = 0;
258
259 ret = snd_soc_dai_set_tdm_slot(rtd->cpu_dai, 0x3, 0x3, 2, 16);
260 if (ret < 0) {
261 dev_err(rtd->dev, "can't set cpu_dai slot fmt: %d\n", ret);
262 return ret;
263 }
264
265 fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
266 | SND_SOC_DAIFMT_CBS_CFS;
267
268 ret = snd_soc_dai_set_fmt(rtd->cpu_dai, fmt);
269 if (ret < 0) {
270 dev_err(rtd->dev, "can't set cpu_dai set fmt: %d\n", ret);
271 return ret;
272 }
273
274
275 rate->min = rate->max = 48000;
276 channels->min = channels->max = 2;
277
278
279 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
280 return 0;
281}
282
283static int cht_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 int cht_max98090_headset_init(struct snd_soc_component *component)
290{
291 struct snd_soc_card *card = component->card;
292 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
293 struct snd_soc_jack *jack = &ctx->jack;
294 int jack_type;
295 int ret;
296
297
298
299
300
301
302
303
304 jack_type = SND_JACK_HEADPHONE | SND_JACK_MICROPHONE |
305 SND_JACK_BTN_0 | SND_JACK_BTN_1 |
306 SND_JACK_BTN_2 | SND_JACK_BTN_3;
307
308 ret = snd_soc_card_jack_new(card, "Headset Jack", jack_type,
309 jack, NULL, 0);
310 if (ret) {
311 dev_err(card->dev, "Headset Jack creation failed %d\n", ret);
312 return ret;
313 }
314
315 return ts3a227e_enable_jack_detect(component, jack);
316}
317
318static const struct snd_soc_ops cht_aif1_ops = {
319 .startup = cht_aif1_startup,
320};
321
322static const struct snd_soc_ops cht_be_ssp2_ops = {
323 .hw_params = cht_aif1_hw_params,
324};
325
326static struct snd_soc_aux_dev cht_max98090_headset_dev = {
327 .name = "Headset Chip",
328 .init = cht_max98090_headset_init,
329 .codec_name = "i2c-104C227E:00",
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_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
386static 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
401static const struct dmi_system_id cht_max98090_quirk_table[] = {
402 {
403
404 .matches = {
405 DMI_MATCH(DMI_PRODUCT_NAME, "Clapper"),
406 },
407 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
408 },
409 {
410
411 .matches = {
412 DMI_MATCH(DMI_PRODUCT_NAME, "Gnawty"),
413 },
414 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
415 },
416 {
417
418 .matches = {
419 DMI_MATCH(DMI_PRODUCT_NAME, "Swanky"),
420 },
421 .driver_data = (void *)QUIRK_PMC_PLT_CLK_0,
422 },
423 {}
424};
425
426static int snd_cht_mc_probe(struct platform_device *pdev)
427{
428 const struct dmi_system_id *dmi_id;
429 struct device *dev = &pdev->dev;
430 int ret_val = 0;
431 struct cht_mc_private *drv;
432 const char *mclk_name;
433 struct snd_soc_acpi_mach *mach;
434 const char *platform_name;
435
436 drv = devm_kzalloc(&pdev->dev, sizeof(*drv), GFP_KERNEL);
437 if (!drv)
438 return -ENOMEM;
439
440 dmi_id = dmi_first_match(cht_max98090_quirk_table);
441 if (dmi_id)
442 drv->quirks = (unsigned long)dmi_id->driver_data;
443
444 drv->ts3a227e_present = acpi_dev_found("104C227E");
445 if (!drv->ts3a227e_present) {
446
447 snd_soc_card_cht.aux_dev = NULL;
448 snd_soc_card_cht.num_aux_devs = 0;
449
450 ret_val = devm_acpi_dev_add_driver_gpios(dev->parent,
451 acpi_max98090_gpios);
452 if (ret_val)
453 dev_dbg(dev, "Unable to add GPIO mapping table\n");
454 }
455
456
457 snd_soc_card_cht.dev = &pdev->dev;
458 mach = (&pdev->dev)->platform_data;
459 platform_name = mach->mach_params.platform;
460
461 ret_val = snd_soc_fixup_dai_links_platform_name(&snd_soc_card_cht,
462 platform_name);
463 if (ret_val)
464 return ret_val;
465
466
467 snd_soc_card_set_drvdata(&snd_soc_card_cht, drv);
468
469 if (drv->quirks & QUIRK_PMC_PLT_CLK_0)
470 mclk_name = "pmc_plt_clk_0";
471 else
472 mclk_name = "pmc_plt_clk_3";
473
474 drv->mclk = devm_clk_get(&pdev->dev, mclk_name);
475 if (IS_ERR(drv->mclk)) {
476 dev_err(&pdev->dev,
477 "Failed to get MCLK from %s: %ld\n",
478 mclk_name, PTR_ERR(drv->mclk));
479 return PTR_ERR(drv->mclk);
480 }
481
482
483
484
485
486
487
488
489 if (drv->quirks & QUIRK_PMC_PLT_CLK_0) {
490 ret_val = clk_prepare_enable(drv->mclk);
491 if (ret_val < 0) {
492 dev_err(&pdev->dev, "MCLK enable error: %d\n", ret_val);
493 return ret_val;
494 }
495 }
496
497 ret_val = devm_snd_soc_register_card(&pdev->dev, &snd_soc_card_cht);
498 if (ret_val) {
499 dev_err(&pdev->dev,
500 "snd_soc_register_card failed %d\n", ret_val);
501 return ret_val;
502 }
503 platform_set_drvdata(pdev, &snd_soc_card_cht);
504 return ret_val;
505}
506
507static int snd_cht_mc_remove(struct platform_device *pdev)
508{
509 struct snd_soc_card *card = platform_get_drvdata(pdev);
510 struct cht_mc_private *ctx = snd_soc_card_get_drvdata(card);
511
512 if (ctx->quirks & QUIRK_PMC_PLT_CLK_0)
513 clk_disable_unprepare(ctx->mclk);
514
515 return 0;
516}
517
518static struct platform_driver snd_cht_mc_driver = {
519 .driver = {
520 .name = "cht-bsw-max98090",
521 },
522 .probe = snd_cht_mc_probe,
523 .remove = snd_cht_mc_remove,
524};
525
526module_platform_driver(snd_cht_mc_driver)
527
528MODULE_DESCRIPTION("ASoC Intel(R) Braswell Machine driver");
529MODULE_AUTHOR("Fang, Yang A <yang.a.fang@intel.com>");
530MODULE_LICENSE("GPL v2");
531MODULE_ALIAS("platform:cht-bsw-max98090");
532
