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
37struct 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
45enum {
46 BYT_CHT_ES8316_INTMIC_IN1_MAP,
47 BYT_CHT_ES8316_INTMIC_IN2_MAP,
48};
49
50#define BYT_CHT_ES8316_MAP_MASK GENMASK(3, 0)
51#define BYT_CHT_ES8316_MAP(quirk) ((quirk) & BYT_CHT_ES8316_MAP_MASK)
52#define BYT_CHT_ES8316_SSP0 BIT(16)
53#define BYT_CHT_ES8316_MONO_SPEAKER BIT(17)
54#define BYT_CHT_ES8316_JD_INVERTED BIT(18)
55
56static unsigned long quirk;
57
58static int quirk_override = -1;
59module_param_named(quirk, quirk_override, int, 0444);
60MODULE_PARM_DESC(quirk, "Board-specific quirk override");
61
62static void log_quirks(struct device *dev)
63{
64 int map;
65
66 map = BYT_CHT_ES8316_MAP(quirk);
67 switch (map) {
68 case BYT_CHT_ES8316_INTMIC_IN1_MAP:
69 dev_info(dev, "quirk IN1_MAP enabled");
70 break;
71 case BYT_CHT_ES8316_INTMIC_IN2_MAP:
72 dev_info(dev, "quirk IN2_MAP enabled");
73 break;
74 default:
75 dev_warn_once(dev, "quirk sets invalid input map: 0x%x, default to INTMIC_IN1_MAP\n", map);
76 quirk &= ~BYT_CHT_ES8316_MAP_MASK;
77 quirk |= BYT_CHT_ES8316_INTMIC_IN1_MAP;
78 break;
79 }
80
81 if (quirk & BYT_CHT_ES8316_SSP0)
82 dev_info(dev, "quirk SSP0 enabled");
83 if (quirk & BYT_CHT_ES8316_MONO_SPEAKER)
84 dev_info(dev, "quirk MONO_SPEAKER enabled\n");
85 if (quirk & BYT_CHT_ES8316_JD_INVERTED)
86 dev_info(dev, "quirk JD_INVERTED enabled\n");
87}
88
89static int byt_cht_es8316_speaker_power_event(struct snd_soc_dapm_widget *w,
90 struct snd_kcontrol *kcontrol, int event)
91{
92 struct snd_soc_card *card = snd_soc_dapm_to_card(dapm: w->dapm);
93 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
94
95 if (SND_SOC_DAPM_EVENT_ON(event))
96 priv->speaker_en = true;
97 else
98 priv->speaker_en = false;
99
100 gpiod_set_value_cansleep(desc: priv->speaker_en_gpio, value: priv->speaker_en);
101
102 return 0;
103}
104
105static const struct snd_soc_dapm_widget byt_cht_es8316_widgets[] = {
106 SND_SOC_DAPM_SPK("Speaker", NULL),
107 SND_SOC_DAPM_HP("Headphone", NULL),
108 SND_SOC_DAPM_MIC("Headset Mic", NULL),
109 SND_SOC_DAPM_MIC("Internal Mic", NULL),
110
111 SND_SOC_DAPM_SUPPLY("Speaker Power", SND_SOC_NOPM, 0, 0,
112 byt_cht_es8316_speaker_power_event,
113 SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
114};
115
116static const struct snd_soc_dapm_route byt_cht_es8316_audio_map[] = {
117 {"Headphone", NULL, "HPOL"},
118 {"Headphone", NULL, "HPOR"},
119
120 /*
121 * There is no separate speaker output instead the speakers are muxed to
122 * the HP outputs. The mux is controlled by the "Speaker Power" supply.
123 */
124 {"Speaker", NULL, "HPOL"},
125 {"Speaker", NULL, "HPOR"},
126 {"Speaker", NULL, "Speaker Power"},
127};
128
129static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in1_map[] = {
130 {"MIC1", NULL, "Internal Mic"},
131 {"MIC2", NULL, "Headset Mic"},
132};
133
134static const struct snd_soc_dapm_route byt_cht_es8316_intmic_in2_map[] = {
135 {"MIC2", NULL, "Internal Mic"},
136 {"MIC1", NULL, "Headset Mic"},
137};
138
139static const struct snd_soc_dapm_route byt_cht_es8316_ssp0_map[] = {
140 {"Playback", NULL, "ssp0 Tx"},
141 {"ssp0 Tx", NULL, "modem_out"},
142 {"modem_in", NULL, "ssp0 Rx"},
143 {"ssp0 Rx", NULL, "Capture"},
144};
145
146static const struct snd_soc_dapm_route byt_cht_es8316_ssp2_map[] = {
147 {"Playback", NULL, "ssp2 Tx"},
148 {"ssp2 Tx", NULL, "codec_out0"},
149 {"ssp2 Tx", NULL, "codec_out1"},
150 {"codec_in0", NULL, "ssp2 Rx" },
151 {"codec_in1", NULL, "ssp2 Rx" },
152 {"ssp2 Rx", NULL, "Capture"},
153};
154
155static const struct snd_kcontrol_new byt_cht_es8316_controls[] = {
156 SOC_DAPM_PIN_SWITCH("Speaker"),
157 SOC_DAPM_PIN_SWITCH("Headphone"),
158 SOC_DAPM_PIN_SWITCH("Headset Mic"),
159 SOC_DAPM_PIN_SWITCH("Internal Mic"),
160};
161
162static struct snd_soc_jack_pin byt_cht_es8316_jack_pins[] = {
163 {
164 .pin = "Headphone",
165 .mask = SND_JACK_HEADPHONE,
166 },
167 {
168 .pin = "Headset Mic",
169 .mask = SND_JACK_MICROPHONE,
170 },
171};
172
173static int byt_cht_es8316_init(struct snd_soc_pcm_runtime *runtime)
174{
175 struct snd_soc_component *codec = snd_soc_rtd_to_codec(runtime, 0)->component;
176 struct snd_soc_card *card = runtime->card;
177 struct snd_soc_dapm_context *dapm = snd_soc_card_to_dapm(card);
178 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
179 const struct snd_soc_dapm_route *custom_map;
180 int num_routes;
181 int ret;
182
183 snd_soc_dapm_set_idle_bias(dapm, on: false);
184
185 switch (BYT_CHT_ES8316_MAP(quirk)) {
186 case BYT_CHT_ES8316_INTMIC_IN1_MAP:
187 default:
188 custom_map = byt_cht_es8316_intmic_in1_map;
189 num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in1_map);
190 break;
191 case BYT_CHT_ES8316_INTMIC_IN2_MAP:
192 custom_map = byt_cht_es8316_intmic_in2_map;
193 num_routes = ARRAY_SIZE(byt_cht_es8316_intmic_in2_map);
194 break;
195 }
196 ret = snd_soc_dapm_add_routes(dapm, route: custom_map, num: num_routes);
197 if (ret)
198 return ret;
199
200 if (quirk & BYT_CHT_ES8316_SSP0) {
201 custom_map = byt_cht_es8316_ssp0_map;
202 num_routes = ARRAY_SIZE(byt_cht_es8316_ssp0_map);
203 } else {
204 custom_map = byt_cht_es8316_ssp2_map;
205 num_routes = ARRAY_SIZE(byt_cht_es8316_ssp2_map);
206 }
207 ret = snd_soc_dapm_add_routes(dapm, route: custom_map, num: num_routes);
208 if (ret)
209 return ret;
210
211 /*
212 * The firmware might enable the clock at boot (this information
213 * may or may not be reflected in the enable clock register).
214 * To change the rate we must disable the clock first to cover these
215 * cases. Due to common clock framework restrictions that do not allow
216 * to disable a clock that has not been enabled, we need to enable
217 * the clock first.
218 */
219 ret = clk_prepare_enable(clk: priv->mclk);
220 if (!ret)
221 clk_disable_unprepare(clk: priv->mclk);
222
223 ret = clk_set_rate(clk: priv->mclk, rate: 19200000);
224 if (ret)
225 dev_err(card->dev, "unable to set MCLK rate\n");
226
227 ret = clk_prepare_enable(clk: priv->mclk);
228 if (ret)
229 dev_err(card->dev, "unable to enable MCLK\n");
230
231 ret = snd_soc_dai_set_sysclk(snd_soc_rtd_to_codec(runtime, 0), clk_id: 0, freq: 19200000,
232 SND_SOC_CLOCK_IN);
233 if (ret < 0) {
234 dev_err(card->dev, "can't set codec clock %d\n", ret);
235 return ret;
236 }
237
238 ret = snd_soc_card_jack_new_pins(card, id: "Headset",
239 type: SND_JACK_HEADSET | SND_JACK_BTN_0,
240 jack: &priv->jack, pins: byt_cht_es8316_jack_pins,
241 ARRAY_SIZE(byt_cht_es8316_jack_pins));
242 if (ret) {
243 dev_err(card->dev, "jack creation failed %d\n", ret);
244 return ret;
245 }
246
247 snd_jack_set_key(jack: priv->jack.jack, type: SND_JACK_BTN_0, KEY_PLAYPAUSE);
248 snd_soc_component_set_jack(component: codec, jack: &priv->jack, NULL);
249
250 return 0;
251}
252
253static int byt_cht_es8316_codec_fixup(struct snd_soc_pcm_runtime *rtd,
254 struct snd_pcm_hw_params *params)
255{
256 struct snd_interval *rate = hw_param_interval(params,
257 SNDRV_PCM_HW_PARAM_RATE);
258 struct snd_interval *channels = hw_param_interval(params,
259 SNDRV_PCM_HW_PARAM_CHANNELS);
260 int ret, bits;
261
262 /* The DSP will convert the FE rate to 48k, stereo */
263 rate->min = rate->max = 48000;
264 channels->min = channels->max = 2;
265
266 if (quirk & BYT_CHT_ES8316_SSP0) {
267 /* set SSP0 to 16-bit */
268 params_set_format(p: params, SNDRV_PCM_FORMAT_S16_LE);
269 bits = 16;
270 } else {
271 /* set SSP2 to 24-bit */
272 params_set_format(p: params, SNDRV_PCM_FORMAT_S24_LE);
273 bits = 24;
274 }
275
276 /*
277 * Default mode for SSP configuration is TDM 4 slot, override config
278 * with explicit setting to I2S 2ch 24-bit. The word length is set with
279 * dai_set_tdm_slot() since there is no other API exposed
280 */
281 ret = snd_soc_dai_set_fmt(snd_soc_rtd_to_cpu(rtd, 0),
282 SND_SOC_DAIFMT_I2S |
283 SND_SOC_DAIFMT_NB_NF |
284 SND_SOC_DAIFMT_BP_FP
285 );
286 if (ret < 0) {
287 dev_err(rtd->dev, "can't set format to I2S, err %d\n", ret);
288 return ret;
289 }
290
291 ret = snd_soc_dai_set_tdm_slot(snd_soc_rtd_to_cpu(rtd, 0), tx_mask: 0x3, rx_mask: 0x3, slots: 2, slot_width: bits);
292 if (ret < 0) {
293 dev_err(rtd->dev, "can't set I2S config, err %d\n", ret);
294 return ret;
295 }
296
297 return 0;
298}
299
300static int byt_cht_es8316_aif1_startup(struct snd_pcm_substream *substream)
301{
302 return snd_pcm_hw_constraint_single(runtime: substream->runtime,
303 SNDRV_PCM_HW_PARAM_RATE, val: 48000);
304}
305
306static const struct snd_soc_ops byt_cht_es8316_aif1_ops = {
307 .startup = byt_cht_es8316_aif1_startup,
308};
309
310SND_SOC_DAILINK_DEF(dummy,
311 DAILINK_COMP_ARRAY(COMP_DUMMY()));
312
313SND_SOC_DAILINK_DEF(media,
314 DAILINK_COMP_ARRAY(COMP_CPU("media-cpu-dai")));
315
316SND_SOC_DAILINK_DEF(deepbuffer,
317 DAILINK_COMP_ARRAY(COMP_CPU("deepbuffer-cpu-dai")));
318
319SND_SOC_DAILINK_DEF(ssp2_port,
320 DAILINK_COMP_ARRAY(COMP_CPU("ssp2-port")));
321SND_SOC_DAILINK_DEF(ssp2_codec,
322 DAILINK_COMP_ARRAY(COMP_CODEC("i2c-ESSX8316:00", "ES8316 HiFi")));
323
324SND_SOC_DAILINK_DEF(platform,
325 DAILINK_COMP_ARRAY(COMP_PLATFORM("sst-mfld-platform")));
326
327static struct snd_soc_dai_link byt_cht_es8316_dais[] = {
328 [MERR_DPCM_AUDIO] = {
329 .name = "Audio Port",
330 .stream_name = "Audio",
331 .nonatomic = true,
332 .dynamic = 1,
333 .ops = &byt_cht_es8316_aif1_ops,
334 SND_SOC_DAILINK_REG(media, dummy, platform),
335 },
336
337 [MERR_DPCM_DEEP_BUFFER] = {
338 .name = "Deep-Buffer Audio Port",
339 .stream_name = "Deep-Buffer Audio",
340 .nonatomic = true,
341 .dynamic = 1,
342 .playback_only = 1,
343 .ops = &byt_cht_es8316_aif1_ops,
344 SND_SOC_DAILINK_REG(deepbuffer, dummy, platform),
345 },
346
347 /* back ends */
348 {
349 .name = "SSP2-Codec",
350 .id = 0,
351 .no_pcm = 1,
352 .dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF
353 | SND_SOC_DAIFMT_CBC_CFC,
354 .be_hw_params_fixup = byt_cht_es8316_codec_fixup,
355 .init = byt_cht_es8316_init,
356 SND_SOC_DAILINK_REG(ssp2_port, ssp2_codec, platform),
357 },
358};
359
360
361/* SoC card */
362static char codec_name[SND_ACPI_I2C_ID_LEN];
363#if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
364static char long_name[50]; /* = "bytcht-es8316-*-spk-*-mic" */
365#endif
366static char components_string[32]; /* = "cfg-spk:* cfg-mic:* */
367
368static int byt_cht_es8316_suspend(struct snd_soc_card *card)
369{
370 struct snd_soc_component *component;
371
372 for_each_card_components(card, component) {
373 if (!strcmp(component->name, codec_name)) {
374 dev_dbg(component->dev, "disabling jack detect before suspend\n");
375 snd_soc_component_set_jack(component, NULL, NULL);
376 break;
377 }
378 }
379
380 return 0;
381}
382
383static int byt_cht_es8316_resume(struct snd_soc_card *card)
384{
385 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
386 struct snd_soc_component *component;
387
388 for_each_card_components(card, component) {
389 if (!strcmp(component->name, codec_name)) {
390 dev_dbg(component->dev, "re-enabling jack detect after resume\n");
391 snd_soc_component_set_jack(component, jack: &priv->jack, NULL);
392 break;
393 }
394 }
395
396 /*
397 * Some Cherry Trail boards with an ES8316 codec have a bug in their
398 * ACPI tables where the MSSL1680 touchscreen's _PS0 and _PS3 methods
399 * wrongly also set the speaker-enable GPIO to 1/0. Testing has shown
400 * that this really is a bug and the GPIO has no influence on the
401 * touchscreen at all.
402 *
403 * The silead.c touchscreen driver does not support runtime suspend, so
404 * the GPIO can only be changed underneath us during a system suspend.
405 * This resume() function runs from a pm complete() callback, and thus
406 * is guaranteed to run after the touchscreen driver/ACPI-subsys has
407 * brought the touchscreen back up again (and thus changed the GPIO).
408 *
409 * So to work around this we pass GPIOD_FLAGS_BIT_NONEXCLUSIVE when
410 * requesting the GPIO and we set its value here to undo any changes
411 * done by the touchscreen's broken _PS0 ACPI method.
412 */
413 gpiod_set_value_cansleep(desc: priv->speaker_en_gpio, value: priv->speaker_en);
414
415 return 0;
416}
417
418/* use space before codec name to simplify card ID, and simplify driver name */
419#define SOF_CARD_NAME "bytcht es8316" /* card name will be 'sof-bytcht es8316' */
420#define SOF_DRIVER_NAME "SOF"
421
422#define CARD_NAME "bytcht-es8316"
423#define DRIVER_NAME NULL /* card name will be used for driver name */
424
425static struct snd_soc_card byt_cht_es8316_card = {
426 .owner = THIS_MODULE,
427 .dai_link = byt_cht_es8316_dais,
428 .num_links = ARRAY_SIZE(byt_cht_es8316_dais),
429 .dapm_widgets = byt_cht_es8316_widgets,
430 .num_dapm_widgets = ARRAY_SIZE(byt_cht_es8316_widgets),
431 .dapm_routes = byt_cht_es8316_audio_map,
432 .num_dapm_routes = ARRAY_SIZE(byt_cht_es8316_audio_map),
433 .controls = byt_cht_es8316_controls,
434 .num_controls = ARRAY_SIZE(byt_cht_es8316_controls),
435 .fully_routed = true,
436 .suspend_pre = byt_cht_es8316_suspend,
437 .resume_post = byt_cht_es8316_resume,
438};
439
440static const struct acpi_gpio_params first_gpio = { 0, 0, false };
441
442static const struct acpi_gpio_mapping byt_cht_es8316_gpios[] = {
443 { "speaker-enable-gpios", &first_gpio, 1 },
444 { },
445};
446
447/* Please keep this list alphabetically sorted */
448static const struct dmi_system_id byt_cht_es8316_quirk_table[] = {
449 { /* Irbis NB41 */
450 .matches = {
451 DMI_MATCH(DMI_SYS_VENDOR, "IRBIS"),
452 DMI_MATCH(DMI_PRODUCT_NAME, "NB41"),
453 },
454 .driver_data = (void *)(BYT_CHT_ES8316_SSP0
455 | BYT_CHT_ES8316_INTMIC_IN2_MAP
456 | BYT_CHT_ES8316_JD_INVERTED),
457 },
458 { /* Nanote UMPC-01 */
459 .matches = {
460 DMI_MATCH(DMI_SYS_VENDOR, "RWC CO.,LTD"),
461 DMI_MATCH(DMI_PRODUCT_NAME, "UMPC-01"),
462 },
463 .driver_data = (void *)BYT_CHT_ES8316_INTMIC_IN1_MAP,
464 },
465 { /* Teclast X98 Plus II */
466 .matches = {
467 DMI_MATCH(DMI_SYS_VENDOR, "TECLAST"),
468 DMI_MATCH(DMI_PRODUCT_NAME, "X98 Plus II"),
469 },
470 .driver_data = (void *)(BYT_CHT_ES8316_INTMIC_IN1_MAP
471 | BYT_CHT_ES8316_JD_INVERTED),
472 },
473 {}
474};
475
476static int byt_cht_es8316_get_quirks_from_dsm(struct byt_cht_es8316_private *priv,
477 bool is_bytcr)
478{
479 int ret, val1, val2, dsm_quirk = 0;
480
481 if (is_bytcr)
482 dsm_quirk |= BYT_CHT_ES8316_SSP0;
483
484 ret = es83xx_dsm(dev: priv->codec_dev, PLATFORM_MAINMIC_TYPE_ARG, value: &val1);
485 if (ret < 0)
486 return ret;
487
488 ret = es83xx_dsm(dev: priv->codec_dev, PLATFORM_HPMIC_TYPE_ARG, value: &val2);
489 if (ret < 0)
490 return ret;
491
492 if (val1 == PLATFORM_MIC_AMIC_LIN1RIN1 && val2 == PLATFORM_MIC_AMIC_LIN2RIN2) {
493 dsm_quirk |= BYT_CHT_ES8316_INTMIC_IN1_MAP;
494 } else if (val1 == PLATFORM_MIC_AMIC_LIN2RIN2 && val2 == PLATFORM_MIC_AMIC_LIN1RIN1) {
495 dsm_quirk |= BYT_CHT_ES8316_INTMIC_IN2_MAP;
496 } else {
497 dev_warn(priv->codec_dev, "Unknown mic settings mainmic 0x%02x hpmic 0x%02x\n",
498 val1, val2);
499 return -EINVAL;
500 }
501
502 ret = es83xx_dsm(dev: priv->codec_dev, PLATFORM_SPK_TYPE_ARG, value: &val1);
503 if (ret < 0)
504 return ret;
505
506 switch (val1) {
507 case PLATFORM_SPK_MONO:
508 dsm_quirk |= BYT_CHT_ES8316_MONO_SPEAKER;
509 break;
510 case PLATFORM_SPK_STEREO:
511 break;
512 default:
513 dev_warn(priv->codec_dev, "Unknown speaker setting 0x%02x\n", val1);
514 return -EINVAL;
515 }
516
517 ret = es83xx_dsm(dev: priv->codec_dev, PLATFORM_HPDET_INV_ARG, value: &val1);
518 if (ret < 0)
519 return ret;
520
521 switch (val1) {
522 case PLATFORM_HPDET_NORMAL:
523 break;
524 case PLATFORM_HPDET_INVERTED:
525 dsm_quirk |= BYT_CHT_ES8316_JD_INVERTED;
526 break;
527 default:
528 dev_warn(priv->codec_dev, "Unknown hpdet-inv setting 0x%02x\n", val1);
529 return -EINVAL;
530 }
531
532 quirk = dsm_quirk;
533 return 0;
534}
535
536static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
537{
538 struct device *dev = &pdev->dev;
539 static const char * const mic_name[] = { "in1", "in2" };
540 struct snd_soc_acpi_mach *mach = dev_get_platdata(dev);
541 struct property_entry props[MAX_NO_PROPS] = {};
542 struct byt_cht_es8316_private *priv;
543 const struct dmi_system_id *dmi_id;
544 struct fwnode_handle *fwnode;
545 bool sof_parent, is_bytcr;
546 const char *platform_name;
547 struct acpi_device *adev;
548 struct device *codec_dev;
549 unsigned int cnt = 0;
550 int dai_index = 0;
551 int i;
552 int ret = 0;
553
554 priv = devm_kzalloc(dev, size: sizeof(*priv), GFP_KERNEL);
555 if (!priv)
556 return -ENOMEM;
557
558 /* fix index of codec dai */
559 for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) {
560 if (byt_cht_es8316_dais[i].num_codecs &&
561 !strcmp(byt_cht_es8316_dais[i].codecs->name,
562 "i2c-ESSX8316:00")) {
563 dai_index = i;
564 break;
565 }
566 }
567
568 /* fixup codec name based on HID */
569 adev = acpi_dev_get_first_match_dev(hid: mach->id, NULL, hrv: -1);
570 if (adev) {
571 snprintf(buf: codec_name, size: sizeof(codec_name),
572 fmt: "i2c-%s", acpi_dev_name(adev));
573 byt_cht_es8316_dais[dai_index].codecs->name = codec_name;
574 } else {
575 dev_err(dev, "Error cannot find '%s' dev\n", mach->id);
576 return -ENOENT;
577 }
578
579 codec_dev = acpi_get_first_physical_node(adev);
580 acpi_dev_put(adev);
581 if (!codec_dev)
582 return -EPROBE_DEFER;
583 priv->codec_dev = get_device(dev: codec_dev);
584
585 /* override platform name, if required */
586 byt_cht_es8316_card.dev = dev;
587 platform_name = mach->mach_params.platform;
588
589 ret = snd_soc_fixup_dai_links_platform_name(card: &byt_cht_es8316_card,
590 platform_name);
591 if (ret) {
592 put_device(dev: codec_dev);
593 return ret;
594 }
595
596 es83xx_dsm_dump(dev: priv->codec_dev);
597
598 /* Check for BYTCR or other platform and setup quirks */
599 is_bytcr = soc_intel_is_byt() && mach->mach_params.acpi_ipc_irq_index == 0;
600 dmi_id = dmi_first_match(list: byt_cht_es8316_quirk_table);
601 if (dmi_id) {
602 quirk = (unsigned long)dmi_id->driver_data;
603 } else if (!byt_cht_es8316_get_quirks_from_dsm(priv, is_bytcr)) {
604 dev_info(dev, "Using ACPI DSM info for quirks\n");
605 } else if (is_bytcr) {
606 /* On BYTCR default to SSP0, internal-mic-in2-map, mono-spk */
607 quirk = BYT_CHT_ES8316_SSP0 | BYT_CHT_ES8316_INTMIC_IN2_MAP |
608 BYT_CHT_ES8316_MONO_SPEAKER;
609 } else {
610 /* Others default to internal-mic-in1-map, mono-speaker */
611 quirk = BYT_CHT_ES8316_INTMIC_IN1_MAP |
612 BYT_CHT_ES8316_MONO_SPEAKER;
613 }
614 if (quirk_override != -1) {
615 dev_info(dev, "Overriding quirk 0x%lx => 0x%x\n",
616 quirk, quirk_override);
617 quirk = quirk_override;
618 }
619 log_quirks(dev);
620
621 if (quirk & BYT_CHT_ES8316_SSP0)
622 byt_cht_es8316_dais[dai_index].cpus->dai_name = "ssp0-port";
623
624 /* get the clock */
625 priv->mclk = devm_clk_get(dev, id: "pmc_plt_clk_3");
626 if (IS_ERR(ptr: priv->mclk)) {
627 put_device(dev: codec_dev);
628 return dev_err_probe(dev, err: PTR_ERR(ptr: priv->mclk), fmt: "clk_get pmc_plt_clk_3 failed\n");
629 }
630
631 if (quirk & BYT_CHT_ES8316_JD_INVERTED)
632 props[cnt++] = PROPERTY_ENTRY_BOOL("everest,jack-detect-inverted");
633
634 if (cnt) {
635 fwnode = fwnode_create_software_node(properties: props, NULL);
636 if (IS_ERR(ptr: fwnode)) {
637 put_device(dev: codec_dev);
638 return PTR_ERR(ptr: fwnode);
639 }
640
641 ret = device_add_software_node(dev: codec_dev, node: to_software_node(fwnode));
642
643 fwnode_handle_put(fwnode);
644
645 if (ret) {
646 put_device(dev: codec_dev);
647 return ret;
648 }
649 }
650
651 /* get speaker enable GPIO */
652 devm_acpi_dev_add_driver_gpios(dev: codec_dev, gpios: byt_cht_es8316_gpios);
653 priv->speaker_en_gpio =
654 gpiod_get_optional(dev: codec_dev, con_id: "speaker-enable",
655 /* see comment in byt_cht_es8316_resume() */
656 flags: GPIOD_OUT_LOW | GPIOD_FLAGS_BIT_NONEXCLUSIVE);
657 if (IS_ERR(ptr: priv->speaker_en_gpio)) {
658 ret = dev_err_probe(dev, err: PTR_ERR(ptr: priv->speaker_en_gpio),
659 fmt: "get speaker GPIO failed\n");
660 goto err_put_codec;
661 }
662
663 snprintf(buf: components_string, size: sizeof(components_string),
664 fmt: "cfg-spk:%s cfg-mic:%s",
665 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "1" : "2",
666 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
667 byt_cht_es8316_card.components = components_string;
668#if !IS_ENABLED(CONFIG_SND_SOC_INTEL_USER_FRIENDLY_LONG_NAMES)
669 snprintf(long_name, sizeof(long_name), "bytcht-es8316-%s-spk-%s-mic",
670 (quirk & BYT_CHT_ES8316_MONO_SPEAKER) ? "mono" : "stereo",
671 mic_name[BYT_CHT_ES8316_MAP(quirk)]);
672 byt_cht_es8316_card.long_name = long_name;
673#endif
674
675 sof_parent = snd_soc_acpi_sof_parent(dev);
676
677 /* set card and driver name */
678 if (sof_parent) {
679 byt_cht_es8316_card.name = SOF_CARD_NAME;
680 byt_cht_es8316_card.driver_name = SOF_DRIVER_NAME;
681 } else {
682 byt_cht_es8316_card.name = CARD_NAME;
683 byt_cht_es8316_card.driver_name = DRIVER_NAME;
684 }
685
686 /* set pm ops */
687 if (sof_parent)
688 dev->driver->pm = &snd_soc_pm_ops;
689
690 /* register the soc card */
691 snd_soc_card_set_drvdata(card: &byt_cht_es8316_card, data: priv);
692
693 ret = devm_snd_soc_register_card(dev, card: &byt_cht_es8316_card);
694 if (ret) {
695 gpiod_put(desc: priv->speaker_en_gpio);
696 dev_err(dev, "snd_soc_register_card failed: %d\n", ret);
697 goto err_put_codec;
698 }
699 platform_set_drvdata(pdev, data: &byt_cht_es8316_card);
700 return 0;
701
702err_put_codec:
703 device_remove_software_node(dev: priv->codec_dev);
704 put_device(dev: priv->codec_dev);
705 return ret;
706}
707
708static void snd_byt_cht_es8316_mc_remove(struct platform_device *pdev)
709{
710 struct snd_soc_card *card = platform_get_drvdata(pdev);
711 struct byt_cht_es8316_private *priv = snd_soc_card_get_drvdata(card);
712
713 gpiod_put(desc: priv->speaker_en_gpio);
714 device_remove_software_node(dev: priv->codec_dev);
715 put_device(dev: priv->codec_dev);
716}
717
718static struct platform_driver snd_byt_cht_es8316_mc_driver = {
719 .driver = {
720 .name = "bytcht_es8316",
721 },
722 .probe = snd_byt_cht_es8316_mc_probe,
723 .remove = snd_byt_cht_es8316_mc_remove,
724};
725
726module_platform_driver(snd_byt_cht_es8316_mc_driver);
727MODULE_DESCRIPTION("ASoC Intel(R) Baytrail/Cherrytrail Machine driver");
728MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");
729MODULE_LICENSE("GPL v2");
730MODULE_ALIAS("platform:bytcht_es8316");
731

source code of linux/sound/soc/intel/boards/bytcht_es8316.c