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Linux/sound/soc/intel/boards/kbl_rt5660.c

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  1 // SPDX-License-Identifier: GPL-2.0
  2 // Copyright(c) 2018-19 Canonical Corporation.
  3 
  4 /*
  5  * Intel Kabylake I2S Machine Driver with RT5660 Codec
  6  *
  7  * Modified from:
  8  *   Intel Kabylake I2S Machine driver supporting MAXIM98357a and
  9  *   DA7219 codecs
 10  * Also referred to:
 11  *   Intel Broadwell I2S Machine driver supporting RT5677 codec
 12  */
 13 
 14 #include <linux/module.h>
 15 #include <linux/platform_device.h>
 16 #include <linux/gpio/consumer.h>
 17 #include <linux/acpi.h>
 18 #include <sound/core.h>
 19 #include <sound/jack.h>
 20 #include <sound/pcm.h>
 21 #include <sound/pcm_params.h>
 22 #include <sound/soc.h>
 23 
 24 #include "../../codecs/hdac_hdmi.h"
 25 #include "../../codecs/rt5660.h"
 26 
 27 #define KBL_RT5660_CODEC_DAI "rt5660-aif1"
 28 #define DUAL_CHANNEL 2
 29 
 30 static struct snd_soc_card *kabylake_audio_card;
 31 static struct snd_soc_jack skylake_hdmi[3];
 32 static struct snd_soc_jack lineout_jack;
 33 static struct snd_soc_jack mic_jack;
 34 
 35 struct kbl_hdmi_pcm {
 36         struct list_head head;
 37         struct snd_soc_dai *codec_dai;
 38         int device;
 39 };
 40 
 41 struct kbl_codec_private {
 42         struct gpio_desc *gpio_lo_mute;
 43         struct list_head hdmi_pcm_list;
 44 };
 45 
 46 enum {
 47         KBL_DPCM_AUDIO_PB = 0,
 48         KBL_DPCM_AUDIO_CP,
 49         KBL_DPCM_AUDIO_HDMI1_PB,
 50         KBL_DPCM_AUDIO_HDMI2_PB,
 51         KBL_DPCM_AUDIO_HDMI3_PB,
 52 };
 53 
 54 #define GPIO_LINEOUT_MUTE_INDEX 0
 55 #define GPIO_LINEOUT_DET_INDEX 3
 56 #define GPIO_LINEIN_DET_INDEX 4
 57 
 58 static const struct acpi_gpio_params lineout_mute_gpio = { GPIO_LINEOUT_MUTE_INDEX, 0, true };
 59 static const struct acpi_gpio_params lineout_det_gpio = { GPIO_LINEOUT_DET_INDEX, 0, false };
 60 static const struct acpi_gpio_params mic_det_gpio = { GPIO_LINEIN_DET_INDEX, 0, false };
 61 
 62 
 63 static const struct acpi_gpio_mapping acpi_rt5660_gpios[] = {
 64         { "lineout-mute-gpios", &lineout_mute_gpio, 1 },
 65         { "lineout-det-gpios", &lineout_det_gpio, 1 },
 66         { "mic-det-gpios", &mic_det_gpio, 1 },
 67         { NULL },
 68 };
 69 
 70 static struct snd_soc_jack_pin lineout_jack_pin = {
 71         .pin    = "Line Out",
 72         .mask   = SND_JACK_LINEOUT,
 73 };
 74 
 75 static struct snd_soc_jack_pin mic_jack_pin = {
 76         .pin    = "Line In",
 77         .mask   = SND_JACK_MICROPHONE,
 78 };
 79 
 80 static struct snd_soc_jack_gpio lineout_jack_gpio = {
 81         .name                   = "lineout-det",
 82         .report                 = SND_JACK_LINEOUT,
 83         .debounce_time          = 200,
 84 };
 85 
 86 static struct snd_soc_jack_gpio mic_jack_gpio = {
 87         .name                   = "mic-det",
 88         .report                 = SND_JACK_MICROPHONE,
 89         .debounce_time          = 200,
 90 };
 91 
 92 static int kabylake_5660_event_lineout(struct snd_soc_dapm_widget *w,
 93                         struct snd_kcontrol *k, int event)
 94 {
 95         struct snd_soc_dapm_context *dapm = w->dapm;
 96         struct kbl_codec_private *priv = snd_soc_card_get_drvdata(dapm->card);
 97 
 98         gpiod_set_value_cansleep(priv->gpio_lo_mute,
 99                         !(SND_SOC_DAPM_EVENT_ON(event)));
100 
101         return 0;
102 }
103 
104 static const struct snd_kcontrol_new kabylake_rt5660_controls[] = {
105         SOC_DAPM_PIN_SWITCH("Line In"),
106         SOC_DAPM_PIN_SWITCH("Line Out"),
107 };
108 
109 static const struct snd_soc_dapm_widget kabylake_rt5660_widgets[] = {
110         SND_SOC_DAPM_MIC("Line In", NULL),
111         SND_SOC_DAPM_LINE("Line Out", kabylake_5660_event_lineout),
112 };
113 
114 static const struct snd_soc_dapm_route kabylake_rt5660_map[] = {
115         /* other jacks */
116         {"IN1P", NULL, "Line In"},
117         {"IN2P", NULL, "Line In"},
118         {"Line Out", NULL, "LOUTR"},
119         {"Line Out", NULL, "LOUTL"},
120 
121         /* CODEC BE connections */
122         { "AIF1 Playback", NULL, "ssp0 Tx"},
123         { "ssp0 Tx", NULL, "codec0_out"},
124 
125         { "codec0_in", NULL, "ssp0 Rx" },
126         { "ssp0 Rx", NULL, "AIF1 Capture" },
127 
128         { "hifi1", NULL, "iDisp1 Tx"},
129         { "iDisp1 Tx", NULL, "iDisp1_out"},
130         { "hifi2", NULL, "iDisp2 Tx"},
131         { "iDisp2 Tx", NULL, "iDisp2_out"},
132         { "hifi3", NULL, "iDisp3 Tx"},
133         { "iDisp3 Tx", NULL, "iDisp3_out"},
134 };
135 
136 static int kabylake_ssp0_fixup(struct snd_soc_pcm_runtime *rtd,
137                         struct snd_pcm_hw_params *params)
138 {
139         struct snd_interval *rate = hw_param_interval(params,
140                         SNDRV_PCM_HW_PARAM_RATE);
141         struct snd_interval *channels = hw_param_interval(params,
142                         SNDRV_PCM_HW_PARAM_CHANNELS);
143         struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
144 
145         /* The ADSP will convert the FE rate to 48k, stereo */
146         rate->min = rate->max = 48000;
147         channels->min = channels->max = DUAL_CHANNEL;
148 
149         /* set SSP0 to 24 bit */
150         snd_mask_none(fmt);
151         snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S24_LE);
152 
153         return 0;
154 }
155 
156 static int kabylake_rt5660_codec_init(struct snd_soc_pcm_runtime *rtd)
157 {
158         int ret;
159         struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
160         struct snd_soc_component *component = rtd->codec_dai->component;
161         struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
162 
163         ret = devm_acpi_dev_add_driver_gpios(component->dev, acpi_rt5660_gpios);
164         if (ret)
165                 dev_warn(component->dev, "Failed to add driver gpios\n");
166 
167         /* Request rt5660 GPIO for lineout mute control, return if fails */
168         ctx->gpio_lo_mute = devm_gpiod_get(component->dev, "lineout-mute",
169                                            GPIOD_OUT_HIGH);
170         if (IS_ERR(ctx->gpio_lo_mute)) {
171                 dev_err(component->dev, "Can't find GPIO_MUTE# gpio\n");
172                 return PTR_ERR(ctx->gpio_lo_mute);
173         }
174 
175         /* Create and initialize headphone jack, this jack is not mandatory, don't return if fails */
176         ret = snd_soc_card_jack_new(rtd->card, "Lineout Jack",
177                                     SND_JACK_LINEOUT, &lineout_jack,
178                                     &lineout_jack_pin, 1);
179         if (ret)
180                 dev_warn(component->dev, "Can't create Lineout jack\n");
181         else {
182                 lineout_jack_gpio.gpiod_dev = component->dev;
183                 ret = snd_soc_jack_add_gpios(&lineout_jack, 1,
184                                              &lineout_jack_gpio);
185                 if (ret)
186                         dev_warn(component->dev, "Can't add Lineout jack gpio\n");
187         }
188 
189         /* Create and initialize mic jack, this jack is not mandatory, don't return if fails */
190         ret = snd_soc_card_jack_new(rtd->card, "Mic Jack",
191                                     SND_JACK_MICROPHONE, &mic_jack,
192                                     &mic_jack_pin, 1);
193         if (ret)
194                 dev_warn(component->dev, "Can't create mic jack\n");
195         else {
196                 mic_jack_gpio.gpiod_dev = component->dev;
197                 ret = snd_soc_jack_add_gpios(&mic_jack, 1, &mic_jack_gpio);
198                 if (ret)
199                         dev_warn(component->dev, "Can't add mic jack gpio\n");
200         }
201 
202         /* Here we enable some dapms in advance to reduce the pop noise for recording via line-in */
203         snd_soc_dapm_force_enable_pin(dapm, "MICBIAS1");
204         snd_soc_dapm_force_enable_pin(dapm, "BST1");
205         snd_soc_dapm_force_enable_pin(dapm, "BST2");
206 
207         return 0;
208 }
209 
210 static int kabylake_hdmi_init(struct snd_soc_pcm_runtime *rtd, int device)
211 {
212         struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(rtd->card);
213         struct snd_soc_dai *dai = rtd->codec_dai;
214         struct kbl_hdmi_pcm *pcm;
215 
216         pcm = devm_kzalloc(rtd->card->dev, sizeof(*pcm), GFP_KERNEL);
217         if (!pcm)
218                 return -ENOMEM;
219 
220         pcm->device = device;
221         pcm->codec_dai = dai;
222 
223         list_add_tail(&pcm->head, &ctx->hdmi_pcm_list);
224 
225         return 0;
226 }
227 
228 static int kabylake_hdmi1_init(struct snd_soc_pcm_runtime *rtd)
229 {
230         return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI1_PB);
231 }
232 
233 static int kabylake_hdmi2_init(struct snd_soc_pcm_runtime *rtd)
234 {
235         return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI2_PB);
236 }
237 
238 static int kabylake_hdmi3_init(struct snd_soc_pcm_runtime *rtd)
239 {
240         return kabylake_hdmi_init(rtd, KBL_DPCM_AUDIO_HDMI3_PB);
241 }
242 
243 static int kabylake_rt5660_hw_params(struct snd_pcm_substream *substream,
244         struct snd_pcm_hw_params *params)
245 {
246         struct snd_soc_pcm_runtime *rtd = substream->private_data;
247         struct snd_soc_dai *codec_dai = rtd->codec_dai;
248         int ret;
249 
250         ret = snd_soc_dai_set_sysclk(codec_dai,
251                                      RT5660_SCLK_S_PLL1, params_rate(params) * 512,
252                                      SND_SOC_CLOCK_IN);
253         if (ret < 0) {
254                 dev_err(rtd->dev, "snd_soc_dai_set_sysclk err = %d\n", ret);
255                 return ret;
256         }
257 
258         ret = snd_soc_dai_set_pll(codec_dai, 0,
259                                   RT5660_PLL1_S_BCLK,
260                                   params_rate(params) * 50,
261                                   params_rate(params) * 512);
262         if (ret < 0)
263                 dev_err(codec_dai->dev, "can't set codec pll: %d\n", ret);
264 
265         return ret;
266 }
267 
268 static struct snd_soc_ops kabylake_rt5660_ops = {
269         .hw_params = kabylake_rt5660_hw_params,
270 };
271 
272 static const unsigned int rates[] = {
273         48000,
274 };
275 
276 static const struct snd_pcm_hw_constraint_list constraints_rates = {
277         .count = ARRAY_SIZE(rates),
278         .list  = rates,
279         .mask = 0,
280 };
281 
282 static const unsigned int channels[] = {
283         DUAL_CHANNEL,
284 };
285 
286 static const struct snd_pcm_hw_constraint_list constraints_channels = {
287         .count = ARRAY_SIZE(channels),
288         .list = channels,
289         .mask = 0,
290 };
291 
292 static int kbl_fe_startup(struct snd_pcm_substream *substream)
293 {
294         struct snd_pcm_runtime *runtime = substream->runtime;
295 
296         /*
297          * On this platform for PCM device we support,
298          * 48Khz
299          * stereo
300          * 16 bit audio
301          */
302 
303         runtime->hw.channels_max = DUAL_CHANNEL;
304         snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
305                                            &constraints_channels);
306 
307         runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
308         snd_pcm_hw_constraint_msbits(runtime, 0, 16, 16);
309 
310         snd_pcm_hw_constraint_list(runtime, 0,
311                                 SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
312 
313         return 0;
314 }
315 
316 static const struct snd_soc_ops kabylake_rt5660_fe_ops = {
317         .startup = kbl_fe_startup,
318 };
319 
320 SND_SOC_DAILINK_DEF(dummy,
321         DAILINK_COMP_ARRAY(COMP_DUMMY()));
322 
323 SND_SOC_DAILINK_DEF(system,
324         DAILINK_COMP_ARRAY(COMP_CPU("System Pin")));
325 
326 SND_SOC_DAILINK_DEF(hdmi1,
327         DAILINK_COMP_ARRAY(COMP_CPU("HDMI1 Pin")));
328 
329 SND_SOC_DAILINK_DEF(hdmi2,
330         DAILINK_COMP_ARRAY(COMP_CPU("HDMI2 Pin")));
331 
332 SND_SOC_DAILINK_DEF(hdmi3,
333         DAILINK_COMP_ARRAY(COMP_CPU("HDMI3 Pin")));
334 
335 SND_SOC_DAILINK_DEF(ssp0_pin,
336         DAILINK_COMP_ARRAY(COMP_CPU("SSP0 Pin")));
337 SND_SOC_DAILINK_DEF(ssp0_codec,
338         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-10EC3277:00", KBL_RT5660_CODEC_DAI)));
339 
340 SND_SOC_DAILINK_DEF(idisp1_pin,
341                     DAILINK_COMP_ARRAY(COMP_CPU("iDisp1 Pin")));
342 SND_SOC_DAILINK_DEF(idisp1_codec,
343         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi1")));
344 
345 SND_SOC_DAILINK_DEF(idisp2_pin,
346         DAILINK_COMP_ARRAY(COMP_CPU("iDisp2 Pin")));
347 SND_SOC_DAILINK_DEF(idisp2_codec,
348         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi2")));
349 
350 SND_SOC_DAILINK_DEF(idisp3_pin,
351         DAILINK_COMP_ARRAY(COMP_CPU("iDisp3 Pin")));
352 SND_SOC_DAILINK_DEF(idisp3_codec,
353         DAILINK_COMP_ARRAY(COMP_CODEC("ehdaudio0D2", "intel-hdmi-hifi3")));
354 
355 SND_SOC_DAILINK_DEF(platform,
356         DAILINK_COMP_ARRAY(COMP_PLATFORM("0000:00:1f.3")));
357 
358 /* kabylake digital audio interface glue - connects rt5660 codec <--> CPU */
359 static struct snd_soc_dai_link kabylake_rt5660_dais[] = {
360         /* Front End DAI links */
361         [KBL_DPCM_AUDIO_PB] = {
362                 .name = "Kbl Audio Port",
363                 .stream_name = "Audio",
364                 .dynamic = 1,
365                 .nonatomic = 1,
366                 .trigger = {
367                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
368                 .dpcm_playback = 1,
369                 .ops = &kabylake_rt5660_fe_ops,
370                 SND_SOC_DAILINK_REG(system, dummy, platform),
371         },
372         [KBL_DPCM_AUDIO_CP] = {
373                 .name = "Kbl Audio Capture Port",
374                 .stream_name = "Audio Record",
375                 .dynamic = 1,
376                 .nonatomic = 1,
377                 .trigger = {
378                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
379                 .dpcm_capture = 1,
380                 .ops = &kabylake_rt5660_fe_ops,
381                 SND_SOC_DAILINK_REG(system, dummy, platform),
382         },
383         [KBL_DPCM_AUDIO_HDMI1_PB] = {
384                 .name = "Kbl HDMI Port1",
385                 .stream_name = "Hdmi1",
386                 .dpcm_playback = 1,
387                 .init = NULL,
388                 .trigger = {
389                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
390                 .nonatomic = 1,
391                 .dynamic = 1,
392                 SND_SOC_DAILINK_REG(hdmi1, dummy, platform),
393         },
394         [KBL_DPCM_AUDIO_HDMI2_PB] = {
395                 .name = "Kbl HDMI Port2",
396                 .stream_name = "Hdmi2",
397                 .dpcm_playback = 1,
398                 .init = NULL,
399                 .trigger = {
400                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
401                 .nonatomic = 1,
402                 .dynamic = 1,
403                 SND_SOC_DAILINK_REG(hdmi2, dummy, platform),
404         },
405         [KBL_DPCM_AUDIO_HDMI3_PB] = {
406                 .name = "Kbl HDMI Port3",
407                 .stream_name = "Hdmi3",
408                 .trigger = {
409                         SND_SOC_DPCM_TRIGGER_POST, SND_SOC_DPCM_TRIGGER_POST},
410                 .dpcm_playback = 1,
411                 .init = NULL,
412                 .nonatomic = 1,
413                 .dynamic = 1,
414                 SND_SOC_DAILINK_REG(hdmi3, dummy, platform),
415         },
416 
417         /* Back End DAI links */
418         {
419                 /* SSP0 - Codec */
420                 .name = "SSP0-Codec",
421                 .id = 0,
422                 .no_pcm = 1,
423                 .init = kabylake_rt5660_codec_init,
424                 .dai_fmt = SND_SOC_DAIFMT_I2S |
425                 SND_SOC_DAIFMT_NB_NF |
426                 SND_SOC_DAIFMT_CBS_CFS,
427                 .ignore_pmdown_time = 1,
428                 .be_hw_params_fixup = kabylake_ssp0_fixup,
429                 .ops = &kabylake_rt5660_ops,
430                 .dpcm_playback = 1,
431                 .dpcm_capture = 1,
432                 SND_SOC_DAILINK_REG(ssp0_pin, ssp0_codec, platform),
433         },
434         {
435                 .name = "iDisp1",
436                 .id = 1,
437                 .dpcm_playback = 1,
438                 .init = kabylake_hdmi1_init,
439                 .no_pcm = 1,
440                 SND_SOC_DAILINK_REG(idisp1_pin, idisp1_codec, platform),
441         },
442         {
443                 .name = "iDisp2",
444                 .id = 2,
445                 .init = kabylake_hdmi2_init,
446                 .dpcm_playback = 1,
447                 .no_pcm = 1,
448                 SND_SOC_DAILINK_REG(idisp2_pin, idisp2_codec, platform),
449         },
450         {
451                 .name = "iDisp3",
452                 .id = 3,
453                 .init = kabylake_hdmi3_init,
454                 .dpcm_playback = 1,
455                 .no_pcm = 1,
456                 SND_SOC_DAILINK_REG(idisp3_pin, idisp3_codec, platform),
457         },
458 };
459 
460 
461 #define NAME_SIZE       32
462 static int kabylake_card_late_probe(struct snd_soc_card *card)
463 {
464         struct kbl_codec_private *ctx = snd_soc_card_get_drvdata(card);
465         struct kbl_hdmi_pcm *pcm;
466         struct snd_soc_component *component = NULL;
467         int err, i = 0;
468         char jack_name[NAME_SIZE];
469 
470         list_for_each_entry(pcm, &ctx->hdmi_pcm_list, head) {
471                 component = pcm->codec_dai->component;
472                 snprintf(jack_name, sizeof(jack_name),
473                         "HDMI/DP, pcm=%d Jack", pcm->device);
474                 err = snd_soc_card_jack_new(card, jack_name,
475                                         SND_JACK_AVOUT, &skylake_hdmi[i],
476                                         NULL, 0);
477 
478                 if (err)
479                         return err;
480 
481                 err = hdac_hdmi_jack_init(pcm->codec_dai, pcm->device,
482                                 &skylake_hdmi[i]);
483                 if (err < 0)
484                         return err;
485 
486                 i++;
487 
488         }
489 
490         if (!component)
491                 return -EINVAL;
492 
493         return hdac_hdmi_jack_port_init(component, &card->dapm);
494 }
495 
496 /* kabylake audio machine driver for rt5660 */
497 static struct snd_soc_card kabylake_audio_card_rt5660 = {
498         .name = "kblrt5660",
499         .owner = THIS_MODULE,
500         .dai_link = kabylake_rt5660_dais,
501         .num_links = ARRAY_SIZE(kabylake_rt5660_dais),
502         .controls = kabylake_rt5660_controls,
503         .num_controls = ARRAY_SIZE(kabylake_rt5660_controls),
504         .dapm_widgets = kabylake_rt5660_widgets,
505         .num_dapm_widgets = ARRAY_SIZE(kabylake_rt5660_widgets),
506         .dapm_routes = kabylake_rt5660_map,
507         .num_dapm_routes = ARRAY_SIZE(kabylake_rt5660_map),
508         .fully_routed = true,
509         .late_probe = kabylake_card_late_probe,
510 };
511 
512 static int kabylake_audio_probe(struct platform_device *pdev)
513 {
514         struct kbl_codec_private *ctx;
515 
516         ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
517         if (!ctx)
518                 return -ENOMEM;
519 
520         INIT_LIST_HEAD(&ctx->hdmi_pcm_list);
521 
522         kabylake_audio_card =
523                 (struct snd_soc_card *)pdev->id_entry->driver_data;
524 
525         kabylake_audio_card->dev = &pdev->dev;
526         snd_soc_card_set_drvdata(kabylake_audio_card, ctx);
527         return devm_snd_soc_register_card(&pdev->dev, kabylake_audio_card);
528 }
529 
530 static const struct platform_device_id kbl_board_ids[] = {
531         {
532                 .name = "kbl_rt5660",
533                 .driver_data =
534                         (kernel_ulong_t)&kabylake_audio_card_rt5660,
535         },
536         { }
537 };
538 
539 static struct platform_driver kabylake_audio = {
540         .probe = kabylake_audio_probe,
541         .driver = {
542                 .name = "kbl_rt5660",
543                 .pm = &snd_soc_pm_ops,
544         },
545         .id_table = kbl_board_ids,
546 };
547 
548 module_platform_driver(kabylake_audio)
549 
550 /* Module information */
551 MODULE_DESCRIPTION("Audio Machine driver-RT5660 in I2S mode");
552 MODULE_AUTHOR("Hui Wang <hui.wang@canonical.com>");
553 MODULE_LICENSE("GPL v2");
554 MODULE_ALIAS("platform:kbl_rt5660");
555 

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