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TOMOYO Linux Cross Reference
Linux/sound/soc/intel/boards/bytcht_es8316.c

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  1 // SPDX-License-Identifier: GPL-2.0-only
  2 /*
  3  *  bytcht_es8316.c - ASoc Machine driver for Intel Baytrail/Cherrytrail
  4  *                    platforms with Everest ES8316 SoC
  5  *
  6  *  Copyright (C) 2017 Endless Mobile, Inc.
  7  *  Authors: David Yang <yangxiaohua@everest-semi.com>,
  8  *           Daniel Drake <drake@endlessm.com>
  9  *
 10  *  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 11  *
 12  * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 13  */
 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 "../../codecs/es83xx-dsm-common.h"
 31 #include "../atom/sst-atom-controls.h"
 32 #include "../common/soc-intel-quirks.h"
 33 
 34 /* jd-inv + terminating entry */
 35 #define MAX_NO_PROPS 2
 36 
 37 struct byt_cht_es8316_private {
 38         struct clk *mclk;
 39         struct snd_soc_jack jack;
 40         struct gpio_desc *speaker_en_gpio;
 41         struct device *codec_dev;
 42         bool speaker_en;
 43 };
 44 
 45 enum {
 46         BYT_CHT_ES8316_INTMIC_IN1_MAP,
 47         BYT_CHT_ES8316_INTMIC_IN2_MAP,
 48 };
 49 
 50 #define BYT_CHT_ES8316_MAP(quirk)               ((quirk) & GENMASK(3, 0))
 51 #define BYT_CHT_ES8316_SSP0                     BIT(16)
 52 #define BYT_CHT_ES8316_MONO_SPEAKER             BIT(17)
 53 #define BYT_CHT_ES8316_JD_INVERTED              BIT(18)
 54 
 55 static unsigned long quirk;
 56 
 57 static int quirk_override = -1;
 58 module_param_named(quirk, quirk_override, int, 0444);
 59 MODULE_PARM_DESC(quirk, "Board-specific quirk override");
 60 
 61 static void log_quirks(struct device *dev)
 62 {
 63         if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN1_MAP)
 64                 dev_info(dev, "quirk IN1_MAP enabled");
 65         if (BYT_CHT_ES8316_MAP(quirk) == BYT_CHT_ES8316_INTMIC_IN2_MAP)
 66                 dev_info(dev, "quirk IN2_MAP enabled");
 67         if (quirk & BYT_CHT_ES8316_SSP0)
 68                 dev_info(dev, "quirk SSP0 enabled");
 69         if (quirk & BYT_CHT_ES8316_MONO_SPEAKER)
 70                 dev_info(dev, "quirk MONO_SPEAKER enabled\n");
 71         if (quirk & BYT_CHT_ES8316_JD_INVERTED)
 72                 dev_info(dev, "quirk JD_INVERTED enabled\n");
 73 }
 74 
 75 static int byt_cht_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
 76         struct snd_kcontrol *kcontrol, int event)
 77 {
 78         struct snd_soc_card *card = w->dapm->card;
 79         struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
 80 
 81         if (SND_SOC_DAPM_EVENT_ON(event))
 82                 priv->speaker_en = true;
 83         else
 84                 priv->speaker_en = false;
 85 
 86         gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
 87 
 88         return 0;
 89 }
 90 
 91 static const struct snd_soc_dapm_widget byt_cht_es8316_widgets[] = {
 92         SND_SOC_DAPM_SPK("Speaker", NULL),
 93         SND_SOC_DAPM_HP("Headphone", NULL),
 94         SND_SOC_DAPM_MIC("Headset Mic", NULL),
 95         SND_SOC_DAPM_MIC("Internal Mic", NULL),
 96 
 97         SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
 98                             byt_cht_es8316_speaker_power_event,
 99                             SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
100 };
101 
102 static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = {
103         {"Headphone", NULL, "HPOL"},
104         {"Headphone", NULL, "HPOR"},
105 
106         /*
107          * There is no separate speaker output instead the speakers are muxed to
108          * the HP outputs. The mux is controlled by the "Speaker Power" supply.
109          */
110         {"Speaker", NULL, "HPOL"},
111         {"Speaker", NULL, "HPOR"},
112         {"Speaker", NULL, "Speaker Power"},
113 };
114 
115 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = {
116         {"MIC1", NULL, "Internal Mic"},
117         {"MIC2", NULL, "Headset Mic"},
118 };
119 
120 static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = {
121         {"MIC2", NULL, "Internal Mic"},
122         {"MIC1", NULL, "Headset Mic"},
123 };
124 
125 static const struct snd_soc_dapm_route byt_cht_es8316_ssp0_map[] = {
126         {"Playback", NULL, "ssp0 Tx"},
127         {"ssp0 Tx", NULL, "modem_out"},
128         {"modem_in", NULL, "ssp0 Rx"},
129         {"ssp0 Rx", NULL, "Capture"},
130 };
131 
132 static const struct snd_soc_dapm_route byt_cht_es8316_ssp2_map[] = {
133         {"Playback", NULL, "ssp2 Tx"},
134         {"ssp2 Tx", NULL, "codec_out0"},
135         {"ssp2 Tx", NULL, "codec_out1"},
136         {"codec_in0", NULL, "ssp2 Rx" },
137         {"codec_in1", NULL, "ssp2 Rx" },
138         {"ssp2 Rx", NULL, "Capture"},
139 };
140 
141 static const struct snd_kcontrol_new byt_cht_es8316_controls[] = {
142         SOC_DAPM_PIN_SWITCH("Speaker"),
143         SOC_DAPM_PIN_SWITCH("Headphone"),
144         SOC_DAPM_PIN_SWITCH("Headset Mic"),
145         SOC_DAPM_PIN_SWITCH("Internal Mic"),
146 };
147 
148 static struct snd_soc_jack_pin byt_cht_es8316_jack_pins[] = {
149         {
150                 .pin    = "Headphone",
151                 .mask   = SND_JACK_HEADPHONE,
152         },
153         {
154                 .pin    = "Headset Mic",
155                 .mask   = SND_JACK_MICROPHONE,
156         },
157 };
158 
159 static int byt_cht_es8316_init(struct snd_soc_pcm_runtime *runtime)
160 {
161         struct snd_soc_component *codec = snd_soc_rtd_to_codec(runtime, 0)->component;
162         struct snd_soc_card *card = runtime->card;
163         struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
164         const struct snd_soc_dapm_route *custom_map;
165         int num_routes;
166         int ret;
167 
168         card->dapm.idle_bias_off = true;
169 
170         switch (BYT_CHT_ES8316_MAP(quirk)) {
171         case BYT_CHT_ES8316_INTMIC_IN1_MAP:
172         default:
173                 custom_map = byt_cht_es8316_intmic_in1_map;
174                 num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in1_map);
175                 break;
176         case BYT_CHT_ES8316_INTMIC_IN2_MAP:
177                 custom_map = byt_cht_es8316_intmic_in2_map;
178                 num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in2_map);
179                 break;
180         }
181         ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
182         if (ret)
183                 return ret;
184 
185         if (quirk & BYT_CHT_ES8316_SSP0) {
186                 custom_map = byt_cht_es8316_ssp0_map;
187                 num_routes = ARRAY_SIZE(byt_cht_es8316_ssp0_map);
188         } else {
189                 custom_map = byt_cht_es8316_ssp2_map;
190                 num_routes = ARRAY_SIZE(byt_cht_es8316_ssp2_map);
191         }
192         ret = snd_soc_dapm_add_routes(&card->dapm, custom_map, num_routes);
193         if (ret)
194                 return ret;
195 
196         /*
197          * The firmware might enable the clock at boot (this information
198          * may or may not be reflected in the enable clock register).
199          * To change the rate we must disable the clock first to cover these
200          * cases. Due to common clock framework restrictions that do not allow
201          * to disable a clock that has not been enabled, we need to enable
202          * the clock first.
203          */
204         ret = clk_prepare_enable(priv->mclk);
205         if (!ret)
206                 clk_disable_unprepare(priv->mclk);
207 
208         ret = clk_set_rate(priv->mclk, 19200000);
209         if (ret)
210                 dev_err(card->dev, "unable to set MCLK rate\n");
211 
212         ret = clk_prepare_enable(priv->mclk);
213         if (ret)
214                 dev_err(card->dev, "unable to enable MCLK\n");
215 
216         ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_codec(runtime, 0), 0, 19200000,
217                                      SND_SOC_CLOCK_IN);
218         if (ret < 0) {
219                 dev_err(card->dev, "can't set codec clock %d\n", ret);
220                 return ret;
221         }
222 
223         ret = snd_soc_card_jack_new_pins(card, "Headset",
224                                          SND_JACK_HEADSET | SND_JACK_BTN_0,
225                                          &priv->jack, byt_cht_es8316_jack_pins,
226                                          ARRAY_SIZE(byt_cht_es8316_jack_pins));
227         if (ret) {
228                 dev_err(card->dev, "jack creation failed %d\n", ret);
229                 return ret;
230         }
231 
232         snd_jack_set_key(priv->jack.jack, SND_JACK_BTN_0, KEY_PLAYPAUSE);
233         snd_soc_component_set_jack(codec, &priv->jack, NULL);
234 
235         return 0;
236 }
237 
238 static int byt_cht_es8316_codec_fixup(struct snd_soc_pcm_runtime *rtd,
239                             struct snd_pcm_hw_params *params)
240 {
241         struct snd_interval *rate = hw_param_interval(params,
242                         SNDRV_PCM_HW_PARAM_RATE);
243         struct snd_interval *channels = hw_param_interval(params,
244                                                 SNDRV_PCM_HW_PARAM_CHANNELS);
245         int ret, bits;
246 
247         /* The DSP will convert the FE rate to 48k, stereo */
248         rate->min = rate->max = 48000;
249         channels->min = channels->max = 2;
250 
251         if (quirk & BYT_CHT_ES8316_SSP0) {
252                 /* set SSP0 to 16-bit */
253                 params_set_format(params, SNDRV_PCM_FORMAT_S16_LE);
254                 bits = 16;
255         } else {
256                 /* set SSP2 to 24-bit */
257                 params_set_format(params, SNDRV_PCM_FORMAT_S24_LE);
258                 bits = 24;
259         }
260 
261         /*
262          * Default mode for SSP configuration is TDM 4 slot, override config
263          * with explicit setting to I2S 2ch 24-bit. The word length is set with
264          * dai_set_tdm_slot() since there is no other API exposed
265          */
266         ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0),
267                                 SND_SOC_DAIFMT_I2S     |
268                                 SND_SOC_DAIFMT_NB_NF   |
269                                 SND_SOC_DAIFMT_BP_FP
270                 );
271         if (ret < 0) {
272                 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
273                 return ret;
274         }
275 
276         ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), 0x3, 0x3, 2, bits);
277         if (ret < 0) {
278                 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
279                 return ret;
280         }
281 
282         return 0;
283 }
284 
285 static int byt_cht_es8316_aif1_startup(struct snd_pcm_substream *substream)
286 {
287         return snd_pcm_hw_constraint_single(substream->runtime,
288                         SNDRV_PCM_HW_PARAM_RATE, 48000);
289 }
290 
291 static const struct snd_soc_ops byt_cht_es8316_aif1_ops = {
292         .startup = byt_cht_es8316_aif1_startup,
293 };
294 
295 SND_SOC_DAILINK_DEF(dummy,
296         DAILINK_COMP_ARRAY(COMP_DUMMY()));
297 
298 SND_SOC_DAILINK_DEF(media,
299         DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
300 
301 SND_SOC_DAILINK_DEF(deepbuffer,
302         DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
303 
304 SND_SOC_DAILINK_DEF(ssp2_port,
305         DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
306 SND_SOC_DAILINK_DEF(ssp2_codec,
307         DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi")));
308 
309 SND_SOC_DAILINK_DEF(platform,
310         DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
311 
312 static struct snd_soc_dai_link byt_cht_es8316_dais[] = {
313         [MERR_DPCM_AUDIO] = {
314                 .name = "Audio Port",
315                 .stream_name = "Audio",
316                 .nonatomic = true,
317                 .dynamic = 1,
318                 .dpcm_playback = 1,
319                 .dpcm_capture = 1,
320                 .ops = &byt_cht_es8316_aif1_ops,
321                 SND_SOC_DAILINK_REG(media, dummy, platform),
322         },
323 
324         [MERR_DPCM_DEEP_BUFFER] = {
325                 .name = "Deep-Buffer Audio Port",
326                 .stream_name = "Deep-Buffer Audio",
327                 .nonatomic = true,
328                 .dynamic = 1,
329                 .dpcm_playback = 1,
330                 .ops = &byt_cht_es8316_aif1_ops,
331                 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
332         },
333 
334                 /* back ends */
335         {
336                 .name = "SSP2-Codec",
337                 .id = 0,
338                 .no_pcm = 1,
339                 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
340                                                 | SND_SOC_DAIFMT_CBC_CFC,
341                 .be_hw_params_fixup = byt_cht_es8316_codec_fixup,
342                 .dpcm_playback = 1,
343                 .dpcm_capture = 1,
344                 .init = byt_cht_es8316_init,
345                 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
346         },
347 };
348 
349 
350 /* SoC card */
351 static char codec_name[SND_ACPI_I2C_ID_LEN];
352 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
353 static char long_name[50]; /* = "bytcht-es8316-*-spk-*-mic" */
354 #endif
355 static char components_string[32]; /* = "cfg-spk:* cfg-mic:* */
356 
357 static int byt_cht_es8316_suspend(struct snd_soc_card *card)
358 {
359         struct snd_soc_component *component;
360 
361         for_each_card_components(card, component) {
362                 if (!strcmp(component->name, codec_name)) {
363                         dev_dbg(component->dev, "disabling jack detect before suspend\n");
364                         snd_soc_component_set_jack(component, NULL, NULL);
365                         break;
366                 }
367         }
368 
369         return 0;
370 }
371 
372 static int byt_cht_es8316_resume(struct snd_soc_card *card)
373 {
374         struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
375         struct snd_soc_component *component;
376 
377         for_each_card_components(card, component) {
378                 if (!strcmp(component->name, codec_name)) {
379                         dev_dbg(component->dev, "re-enabling jack detect after resume\n");
380                         snd_soc_component_set_jack(component, &priv->jack, NULL);
381                         break;
382                 }
383         }
384 
385         /*
386          * Some Cherry Trail boards with an ES8316 codec have a bug in their
387          * ACPI tables where the MSSL1680 touchscreen's _PS0 and _PS3 methods
388          * wrongly also set the speaker-enable GPIO to 1/0. Testing has shown
389          * that this really is a bug and the GPIO has no influence on the
390          * touchscreen at all.
391          *
392          * The silead.c touchscreen driver does not support runtime suspend, so
393          * the GPIO can only be changed underneath us during a system suspend.
394          * This resume() function runs from a pm complete() callback, and thus
395          * is guaranteed to run after the touchscreen driver/ACPI-subsys has
396          * brought the touchscreen back up again (and thus changed the GPIO).
397          *
398          * So to work around this we pass GPIOD_FLAGS_BIT_NONEXCLUSIVE when
399          * requesting the GPIO and we set its value here to undo any changes
400          * done by the touchscreen's broken _PS0 ACPI method.
401          */
402         gpiod_set_value_cansleep(priv->speaker_en_gpio, priv->speaker_en);
403 
404         return 0;
405 }
406 
407 /* use space before codec name to simplify card ID, and simplify driver name */
408 #define SOF_CARD_NAME "bytcht es8316" /* card name will be 'sof-bytcht es8316' */
409 #define SOF_DRIVER_NAME "SOF"
410 
411 #define CARD_NAME "bytcht-es8316"
412 #define DRIVER_NAME NULL /* card name will be used for driver name */
413 
414 static struct snd_soc_card byt_cht_es8316_card = {
415         .owner = THIS_MODULE,
416         .dai_link = byt_cht_es8316_dais,
417         .num_links = ARRAY_SIZE(byt_cht_es8316_dais),
418         .dapm_widgets = byt_cht_es8316_widgets,
419         .num_dapm_widgets = ARRAY_SIZE(byt_cht_es8316_widgets),
420         .dapm_routes = byt_cht_es8316_audio_map,
421         .num_dapm_routes = ARRAY_SIZE(byt_cht_es8316_audio_map),
422         .controls = byt_cht_es8316_controls,
423         .num_controls = ARRAY_SIZE(byt_cht_es8316_controls),
424         .fully_routed = true,
425         .suspend_pre = byt_cht_es8316_suspend,
426         .resume_post = byt_cht_es8316_resume,
427 };
428 
429 static const struct acpi_gpio_params first_gpio = { 0, 0, false };
430 
431 static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = {
432         { "speaker-enable-gpios", &first_gpio, 1 },
433         { },
434 };
435 
436 /* Please keep this list alphabetically sorted */
437 static const struct dmi_system_id byt_cht_es8316_quirk_table[] = {
438         {       /* Irbis NB41 */
439                 .matches = {
440                         DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"),
441                         DMI_MATCH(DMI_PRODUCT_NAME, "NB41"),
442                 },
443                 .driver_data = (void *)(BYT_CHT_ES8316_SSP0
444                                         | BYT_CHT_ES8316_INTMIC_IN2_MAP
445                                         | BYT_CHT_ES8316_JD_INVERTED),
446         },
447         {       /* Nanote UMPC-01 */
448                 .matches = {
449                         DMI_MATCH(DMI_SYS_VENDOR, "RWC CO.,LTD"),
450                         DMI_MATCH(DMI_PRODUCT_NAME, "UMPC-01"),
451                 },
452                 .driver_data = (void *)BYT_CHT_ES8316_INTMIC_IN1_MAP,
453         },
454         {       /* Teclast X98 Plus II */
455                 .matches = {
456                         DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
457                         DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
458                 },
459                 .driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN1_MAP
460                                         | BYT_CHT_ES8316_JD_INVERTED),
461         },
462         {}
463 };
464 
465 static int byt_cht_es8316_get_quirks_from_dsm(struct byt_cht_es8316_private *priv,
466                                               bool is_bytcr)
467 {
468         int ret, val1, val2, dsm_quirk = 0;
469 
470         if (is_bytcr)
471                 dsm_quirk |= BYT_CHT_ES8316_SSP0;
472 
473         ret = es83xx_dsm(priv->codec_dev, PLATFORM_MAINMIC_TYPE_ARG, &val1);
474         if (ret < 0)
475                 return ret;
476 
477         ret = es83xx_dsm(priv->codec_dev, PLATFORM_HPMIC_TYPE_ARG, &val2);
478         if (ret < 0)
479                 return ret;
480 
481         if (val1 == PLATFORM_MIC_AMIC_LIN1RIN1 && val2 == PLATFORM_MIC_AMIC_LIN2RIN2) {
482                 dsm_quirk |= BYT_CHT_ES8316_INTMIC_IN1_MAP;
483         } else if (val1 == PLATFORM_MIC_AMIC_LIN2RIN2 && val2 == PLATFORM_MIC_AMIC_LIN1RIN1) {
484                 dsm_quirk |= BYT_CHT_ES8316_INTMIC_IN2_MAP;
485         } else {
486                 dev_warn(priv->codec_dev, "Unknown mic settings mainmic 0x%02x hpmic 0x%02x\n",
487                          val1, val2);
488                 return -EINVAL;
489         }
490 
491         ret = es83xx_dsm(priv->codec_dev, PLATFORM_SPK_TYPE_ARG, &val1);
492         if (ret < 0)
493                 return ret;
494 
495         switch (val1) {
496         case PLATFORM_SPK_MONO:
497                 dsm_quirk |= BYT_CHT_ES8316_MONO_SPEAKER;
498                 break;
499         case PLATFORM_SPK_STEREO:
500                 break;
501         default:
502                 dev_warn(priv->codec_dev, "Unknown speaker setting 0x%02x\n", val1);
503                 return -EINVAL;
504         }
505 
506         ret = es83xx_dsm(priv->codec_dev, PLATFORM_HPDET_INV_ARG, &val1);
507         if (ret < 0)
508                 return ret;
509 
510         switch (val1) {
511         case PLATFORM_HPDET_NORMAL:
512                 break;
513         case PLATFORM_HPDET_INVERTED:
514                 dsm_quirk |= BYT_CHT_ES8316_JD_INVERTED;
515                 break;
516         default:
517                 dev_warn(priv->codec_dev, "Unknown hpdet-inv setting 0x%02x\n", val1);
518                 return -EINVAL;
519         }
520 
521         quirk = dsm_quirk;
522         return 0;
523 }
524 
525 static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
526 {
527         struct device *dev = &pdev->dev;
528         static const char * const mic_name[] = { "in1", "in2" };
529         struct snd_soc_acpi_mach *mach = dev_get_platdata(dev);
530         struct property_entry props[MAX_NO_PROPS] = {};
531         struct byt_cht_es8316_private *priv;
532         const struct dmi_system_id *dmi_id;
533         struct fwnode_handle *fwnode;
534         bool sof_parent, is_bytcr;
535         const char *platform_name;
536         struct acpi_device *adev;
537         struct device *codec_dev;
538         unsigned int cnt = 0;
539         int dai_index = 0;
540         int i;
541         int ret = 0;
542 
543         priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
544         if (!priv)
545                 return -ENOMEM;
546 
547         /* fix index of codec dai */
548         for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) {
549                 if (byt_cht_es8316_dais[i].codecs->name &&
550                     !strcmp(byt_cht_es8316_dais[i].codecs->name,
551                             "i2c-ESSX8316:00")) {
552                         dai_index = i;
553                         break;
554                 }
555         }
556 
557         /* fixup codec name based on HID */
558         adev = acpi_dev_get_first_match_dev(mach->id, NULL, -1);
559         if (adev) {
560                 snprintf(codec_name, sizeof(codec_name),
561                          "i2c-%s", acpi_dev_name(adev));
562                 byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
563         } else {
564                 dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
565                 return -ENXIO;
566         }
567 
568         codec_dev = acpi_get_first_physical_node(adev);
569         acpi_dev_put(adev);
570         if (!codec_dev)
571                 return -EPROBE_DEFER;
572         priv->codec_dev = get_device(codec_dev);
573 
574         /* override platform name, if required */
575         byt_cht_es8316_card.dev = dev;
576         platform_name = mach->mach_params.platform;
577 
578         ret = snd_soc_fixup_dai_links_platform_name(&byt_cht_es8316_card,
579                                                     platform_name);
580         if (ret) {
581                 put_device(codec_dev);
582                 return ret;
583         }
584 
585         es83xx_dsm_dump(priv->codec_dev);
586 
587         /* Check for BYTCR or other platform and setup quirks */
588         is_bytcr = soc_intel_is_byt() && mach->mach_params.acpi_ipc_irq_index == 0;
589         dmi_id = dmi_first_match(byt_cht_es8316_quirk_table);
590         if (dmi_id) {
591                 quirk = (unsigned long)dmi_id->driver_data;
592         } else if (!byt_cht_es8316_get_quirks_from_dsm(priv, is_bytcr)) {
593                 dev_info(dev, "Using ACPI DSM info for quirks\n");
594         } else if (is_bytcr) {
595                 /* On BYTCR default to SSP0, internal-mic-in2-map, mono-spk */
596                 quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP |
597                         BYT_CHT_ES8316_MONO_SPEAKER;
598         } else {
599                 /* Others default to internal-mic-in1-map, mono-speaker */
600                 quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP |
601                         BYT_CHT_ES8316_MONO_SPEAKER;
602         }
603         if (quirk_override != -1) {
604                 dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n",
605                          quirk, quirk_override);
606                 quirk = quirk_override;
607         }
608         log_quirks(dev);
609 
610         if (quirk & BYT_CHT_ES8316_SSP0)
611                 byt_cht_es8316_dais[dai_index].cpus->dai_name = "ssp0-port";
612 
613         /* get the clock */
614         priv->mclk = devm_clk_get(dev, "pmc_plt_clk_3");
615         if (IS_ERR(priv->mclk)) {
616                 put_device(codec_dev);
617                 return dev_err_probe(dev, PTR_ERR(priv->mclk), "clk_get pmc_plt_clk_3 failed\n");
618         }
619 
620         if (quirk & BYT_CHT_ES8316_JD_INVERTED)
621                 props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
622 
623         if (cnt) {
624                 fwnode = fwnode_create_software_node(props, NULL);
625                 if (IS_ERR(fwnode)) {
626                         put_device(codec_dev);
627                         return PTR_ERR(fwnode);
628                 }
629 
630                 ret = device_add_software_node(codec_dev, to_software_node(fwnode));
631 
632                 fwnode_handle_put(fwnode);
633 
634                 if (ret) {
635                         put_device(codec_dev);
636                         return ret;
637                 }
638         }
639 
640         /* get speaker enable GPIO */
641         devm_acpi_dev_add_driver_gpios(codec_dev, byt_cht_es8316_gpios);
642         priv->speaker_en_gpio =
643                 gpiod_get_optional(codec_dev, "speaker-enable",
644                                    /* see comment in byt_cht_es8316_resume() */
645                                    GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE);
646         if (IS_ERR(priv->speaker_en_gpio)) {
647                 ret = dev_err_probe(dev, PTR_ERR(priv->speaker_en_gpio),
648                                     "get speaker GPIO failed\n");
649                 goto err_put_codec;
650         }
651 
652         snprintf(components_string, sizeof(components_string),
653                  "cfg-spk:%s cfg-mic:%s",
654                  (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "1" : "2",
655                  mic_name[BYT_CHT_ES8316_MAP(quirk)]);
656         byt_cht_es8316_card.components = components_string;
657 #if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
658         snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic",
659                  (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo",
660                  mic_name[BYT_CHT_ES8316_MAP(quirk)]);
661         byt_cht_es8316_card.long_name = long_name;
662 #endif
663 
664         sof_parent = snd_soc_acpi_sof_parent(dev);
665 
666         /* set card and driver name */
667         if (sof_parent) {
668                 byt_cht_es8316_card.name = SOF_CARD_NAME;
669                 byt_cht_es8316_card.driver_name = SOF_DRIVER_NAME;
670         } else {
671                 byt_cht_es8316_card.name = CARD_NAME;
672                 byt_cht_es8316_card.driver_name = DRIVER_NAME;
673         }
674 
675         /* set pm ops */
676         if (sof_parent)
677                 dev->driver->pm = &snd_soc_pm_ops;
678 
679         /* register the soc card */
680         snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);
681 
682         ret = devm_snd_soc_register_card(dev, &byt_cht_es8316_card);
683         if (ret) {
684                 gpiod_put(priv->speaker_en_gpio);
685                 dev_err(dev, "snd_soc_register_card failed: %d\n", ret);
686                 goto err_put_codec;
687         }
688         platform_set_drvdata(pdev, &byt_cht_es8316_card);
689         return 0;
690 
691 err_put_codec:
692         device_remove_software_node(priv->codec_dev);
693         put_device(priv->codec_dev);
694         return ret;
695 }
696 
697 static void snd_byt_cht_es8316_mc_remove(struct platform_device *pdev)
698 {
699         struct snd_soc_card *card = platform_get_drvdata(pdev);
700         struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
701 
702         gpiod_put(priv->speaker_en_gpio);
703         device_remove_software_node(priv->codec_dev);
704         put_device(priv->codec_dev);
705 }
706 
707 static struct platform_driver snd_byt_cht_es8316_mc_driver = {
708         .driver = {
709                 .name = "bytcht_es8316",
710         },
711         .probe = snd_byt_cht_es8316_mc_probe,
712         .remove_new = snd_byt_cht_es8316_mc_remove,
713 };
714 
715 module_platform_driver(snd_byt_cht_es8316_mc_driver);
716 MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
717 MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
718 MODULE_LICENSE("GPL v2");
719 MODULE_ALIAS("platform:bytcht_es8316");
720 

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