1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * rt286.c  --  RT286 ALSA SoC audio codec driver
4 *
5 * Copyright 2013 Realtek Semiconductor Corp.
6 * Author: Bard Liao <bardliao@realtek.com>
7 */
8
9#include <linux/module.h>
10#include <linux/moduleparam.h>
11#include <linux/init.h>
12#include <linux/delay.h>
13#include <linux/pm.h>
14#include <linux/i2c.h>
15#include <linux/platform_device.h>
16#include <linux/spi/spi.h>
17#include <linux/dmi.h>
18#include <linux/acpi.h>
19#include <sound/core.h>
20#include <sound/pcm.h>
21#include <sound/pcm_params.h>
22#include <sound/soc.h>
23#include <sound/soc-dapm.h>
24#include <sound/initval.h>
25#include <sound/tlv.h>
26#include <sound/jack.h>
27#include <linux/workqueue.h>
28#include <sound/rt286.h>
29
30#include "rl6347a.h"
31#include "rt286.h"
32
33#define RT286_VENDOR_ID 0x10ec0286
34#define RT288_VENDOR_ID 0x10ec0288
35
36struct rt286_priv {
37	struct reg_default *index_cache;
38	int index_cache_size;
39	struct regmap *regmap;
40	struct snd_soc_component *component;
41	struct rt286_platform_data pdata;
42	struct i2c_client *i2c;
43	struct snd_soc_jack *jack;
44	struct delayed_work jack_detect_work;
45	int sys_clk;
46	int clk_id;
47};
48
49static const struct reg_default rt286_index_def[] = {
50	{ 0x01, 0xaaaa },
51	{ 0x02, 0x8aaa },
52	{ 0x03, 0x0002 },
53	{ 0x04, 0xaf01 },
54	{ 0x08, 0x000d },
55	{ 0x09, 0xd810 },
56	{ 0x0a, 0x0120 },
57	{ 0x0b, 0x0000 },
58	{ 0x0d, 0x2800 },
59	{ 0x0f, 0x0000 },
60	{ 0x19, 0x0a17 },
61	{ 0x20, 0x0020 },
62	{ 0x33, 0x0208 },
63	{ 0x49, 0x0004 },
64	{ 0x4f, 0x50e9 },
65	{ 0x50, 0x2000 },
66	{ 0x63, 0x2902 },
67	{ 0x67, 0x1111 },
68	{ 0x68, 0x1016 },
69	{ 0x69, 0x273f },
70};
71#define INDEX_CACHE_SIZE ARRAY_SIZE(rt286_index_def)
72
73static const struct reg_default rt286_reg[] = {
74	{ 0x00170500, 0x00000400 },
75	{ 0x00220000, 0x00000031 },
76	{ 0x00239000, 0x0000007f },
77	{ 0x0023a000, 0x0000007f },
78	{ 0x00270500, 0x00000400 },
79	{ 0x00370500, 0x00000400 },
80	{ 0x00870500, 0x00000400 },
81	{ 0x00920000, 0x00000031 },
82	{ 0x00935000, 0x000000c3 },
83	{ 0x00936000, 0x000000c3 },
84	{ 0x00970500, 0x00000400 },
85	{ 0x00b37000, 0x00000097 },
86	{ 0x00b37200, 0x00000097 },
87	{ 0x00b37300, 0x00000097 },
88	{ 0x00c37000, 0x00000000 },
89	{ 0x00c37100, 0x00000080 },
90	{ 0x01270500, 0x00000400 },
91	{ 0x01370500, 0x00000400 },
92	{ 0x01371f00, 0x411111f0 },
93	{ 0x01439000, 0x00000080 },
94	{ 0x0143a000, 0x00000080 },
95	{ 0x01470700, 0x00000000 },
96	{ 0x01470500, 0x00000400 },
97	{ 0x01470c00, 0x00000000 },
98	{ 0x01470100, 0x00000000 },
99	{ 0x01837000, 0x00000000 },
100	{ 0x01870500, 0x00000400 },
101	{ 0x02050000, 0x00000000 },
102	{ 0x02139000, 0x00000080 },
103	{ 0x0213a000, 0x00000080 },
104	{ 0x02170100, 0x00000000 },
105	{ 0x02170500, 0x00000400 },
106	{ 0x02170700, 0x00000000 },
107	{ 0x02270100, 0x00000000 },
108	{ 0x02370100, 0x00000000 },
109	{ 0x01870700, 0x00000020 },
110	{ 0x00830000, 0x000000c3 },
111	{ 0x00930000, 0x000000c3 },
112	{ 0x01270700, 0x00000000 },
113};
114
115static bool rt286_volatile_register(struct device *dev, unsigned int reg)
116{
117	switch (reg) {
118	case 0 ... 0xff:
119	case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
120	case RT286_GET_HP_SENSE:
121	case RT286_GET_MIC1_SENSE:
122	case RT286_PROC_COEF:
123		return true;
124	default:
125		return false;
126	}
127
128
129}
130
131static bool rt286_readable_register(struct device *dev, unsigned int reg)
132{
133	switch (reg) {
134	case 0 ... 0xff:
135	case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
136	case RT286_GET_HP_SENSE:
137	case RT286_GET_MIC1_SENSE:
138	case RT286_SET_AUDIO_POWER:
139	case RT286_SET_HPO_POWER:
140	case RT286_SET_SPK_POWER:
141	case RT286_SET_DMIC1_POWER:
142	case RT286_SPK_MUX:
143	case RT286_HPO_MUX:
144	case RT286_ADC0_MUX:
145	case RT286_ADC1_MUX:
146	case RT286_SET_MIC1:
147	case RT286_SET_PIN_HPO:
148	case RT286_SET_PIN_SPK:
149	case RT286_SET_PIN_DMIC1:
150	case RT286_SPK_EAPD:
151	case RT286_SET_AMP_GAIN_HPO:
152	case RT286_SET_DMIC2_DEFAULT:
153	case RT286_DACL_GAIN:
154	case RT286_DACR_GAIN:
155	case RT286_ADCL_GAIN:
156	case RT286_ADCR_GAIN:
157	case RT286_MIC_GAIN:
158	case RT286_SPOL_GAIN:
159	case RT286_SPOR_GAIN:
160	case RT286_HPOL_GAIN:
161	case RT286_HPOR_GAIN:
162	case RT286_F_DAC_SWITCH:
163	case RT286_F_RECMIX_SWITCH:
164	case RT286_REC_MIC_SWITCH:
165	case RT286_REC_I2S_SWITCH:
166	case RT286_REC_LINE_SWITCH:
167	case RT286_REC_BEEP_SWITCH:
168	case RT286_DAC_FORMAT:
169	case RT286_ADC_FORMAT:
170	case RT286_COEF_INDEX:
171	case RT286_PROC_COEF:
172	case RT286_SET_AMP_GAIN_ADC_IN1:
173	case RT286_SET_AMP_GAIN_ADC_IN2:
174	case RT286_SET_GPIO_MASK:
175	case RT286_SET_GPIO_DIRECTION:
176	case RT286_SET_GPIO_DATA:
177	case RT286_SET_POWER(RT286_DAC_OUT1):
178	case RT286_SET_POWER(RT286_DAC_OUT2):
179	case RT286_SET_POWER(RT286_ADC_IN1):
180	case RT286_SET_POWER(RT286_ADC_IN2):
181	case RT286_SET_POWER(RT286_DMIC2):
182	case RT286_SET_POWER(RT286_MIC1):
183		return true;
184	default:
185		return false;
186	}
187}
188
189#ifdef CONFIG_PM
190static void rt286_index_sync(struct snd_soc_component *component)
191{
192	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
193	int i;
194
195	for (i = 0; i < INDEX_CACHE_SIZE; i++) {
196		snd_soc_component_write(component, rt286->index_cache[i].reg,
197				  rt286->index_cache[i].def);
198	}
199}
200#endif
201
202static int rt286_support_power_controls[] = {
203	RT286_DAC_OUT1,
204	RT286_DAC_OUT2,
205	RT286_ADC_IN1,
206	RT286_ADC_IN2,
207	RT286_MIC1,
208	RT286_DMIC1,
209	RT286_DMIC2,
210	RT286_SPK_OUT,
211	RT286_HP_OUT,
212};
213#define RT286_POWER_REG_LEN ARRAY_SIZE(rt286_support_power_controls)
214
215static int rt286_jack_detect(struct rt286_priv *rt286, bool *hp, bool *mic)
216{
217	struct snd_soc_dapm_context *dapm;
218	unsigned int val, buf;
219
220	*hp = false;
221	*mic = false;
222
223	if (!rt286->component)
224		return -EINVAL;
225
226	dapm = snd_soc_component_get_dapm(rt286->component);
227
228	if (rt286->pdata.cbj_en) {
229		regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
230		*hp = buf & 0x80000000;
231		if (*hp) {
232			/* power on HV,VERF */
233			regmap_update_bits(rt286->regmap,
234				RT286_DC_GAIN, 0x200, 0x200);
235
236			snd_soc_dapm_force_enable_pin(dapm, "HV");
237			snd_soc_dapm_force_enable_pin(dapm, "VREF");
238			/* power LDO1 */
239			snd_soc_dapm_force_enable_pin(dapm, "LDO1");
240			snd_soc_dapm_sync(dapm);
241
242			regmap_write(rt286->regmap, RT286_SET_MIC1, 0x24);
243			msleep(50);
244
245			regmap_update_bits(rt286->regmap,
246				RT286_CBJ_CTRL1, 0xfcc0, 0xd400);
247			msleep(300);
248			regmap_read(rt286->regmap, RT286_CBJ_CTRL2, &val);
249
250			if (0x0070 == (val & 0x0070)) {
251				*mic = true;
252			} else {
253				regmap_update_bits(rt286->regmap,
254					RT286_CBJ_CTRL1, 0xfcc0, 0xe400);
255				msleep(300);
256				regmap_read(rt286->regmap,
257					RT286_CBJ_CTRL2, &val);
258				if (0x0070 == (val & 0x0070)) {
259					*mic = true;
260				} else {
261					*mic = false;
262					regmap_update_bits(rt286->regmap,
263						RT286_CBJ_CTRL1,
264						0xfcc0, 0xc400);
265				}
266			}
267
268			regmap_update_bits(rt286->regmap,
269				RT286_DC_GAIN, 0x200, 0x0);
270
271		} else {
272			*mic = false;
273			regmap_write(rt286->regmap, RT286_SET_MIC1, 0x20);
274			regmap_update_bits(rt286->regmap,
275				RT286_CBJ_CTRL1, 0x0400, 0x0000);
276		}
277	} else {
278		regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
279		*hp = buf & 0x80000000;
280		regmap_read(rt286->regmap, RT286_GET_MIC1_SENSE, &buf);
281		*mic = buf & 0x80000000;
282	}
283
284	if (!*hp) {
285		snd_soc_dapm_disable_pin(dapm, "HV");
286		snd_soc_dapm_disable_pin(dapm, "VREF");
287		snd_soc_dapm_disable_pin(dapm, "LDO1");
288		snd_soc_dapm_sync(dapm);
289	}
290
291	return 0;
292}
293
294static void rt286_jack_detect_work(struct work_struct *work)
295{
296	struct rt286_priv *rt286 =
297		container_of(work, struct rt286_priv, jack_detect_work.work);
298	int status = 0;
299	bool hp = false;
300	bool mic = false;
301
302	rt286_jack_detect(rt286, &hp, &mic);
303
304	if (hp)
305		status |= SND_JACK_HEADPHONE;
306
307	if (mic)
308		status |= SND_JACK_MICROPHONE;
309
310	snd_soc_jack_report(rt286->jack, status,
311		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
312}
313
314static int rt286_mic_detect(struct snd_soc_component *component,
315			    struct snd_soc_jack *jack, void *data)
316{
317	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
318	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
319
320	rt286->jack = jack;
321
322	if (jack) {
323		/* enable IRQ */
324		if (rt286->jack->status & SND_JACK_HEADPHONE)
325			snd_soc_dapm_force_enable_pin(dapm, "LDO1");
326		regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x2);
327		/* Send an initial empty report */
328		snd_soc_jack_report(rt286->jack, rt286->jack->status,
329			SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
330	} else {
331		/* disable IRQ */
332		regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x0);
333		snd_soc_dapm_disable_pin(dapm, "LDO1");
334	}
335	snd_soc_dapm_sync(dapm);
336
337	return 0;
338}
339
340static int is_mclk_mode(struct snd_soc_dapm_widget *source,
341			 struct snd_soc_dapm_widget *sink)
342{
343	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
344	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
345
346	if (rt286->clk_id == RT286_SCLK_S_MCLK)
347		return 1;
348	else
349		return 0;
350}
351
352static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
353static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
354
355static const struct snd_kcontrol_new rt286_snd_controls[] = {
356	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT286_DACL_GAIN,
357			    RT286_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
358	SOC_DOUBLE_R("ADC0 Capture Switch", RT286_ADCL_GAIN,
359			    RT286_ADCR_GAIN, 7, 1, 1),
360	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT286_ADCL_GAIN,
361			    RT286_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
362	SOC_SINGLE_TLV("AMIC Volume", RT286_MIC_GAIN,
363			    0, 0x3, 0, mic_vol_tlv),
364	SOC_DOUBLE_R("Speaker Playback Switch", RT286_SPOL_GAIN,
365			    RT286_SPOR_GAIN, RT286_MUTE_SFT, 1, 1),
366};
367
368/* Digital Mixer */
369static const struct snd_kcontrol_new rt286_front_mix[] = {
370	SOC_DAPM_SINGLE("DAC Switch",  RT286_F_DAC_SWITCH,
371			RT286_MUTE_SFT, 1, 1),
372	SOC_DAPM_SINGLE("RECMIX Switch", RT286_F_RECMIX_SWITCH,
373			RT286_MUTE_SFT, 1, 1),
374};
375
376/* Analog Input Mixer */
377static const struct snd_kcontrol_new rt286_rec_mix[] = {
378	SOC_DAPM_SINGLE("Mic1 Switch", RT286_REC_MIC_SWITCH,
379			RT286_MUTE_SFT, 1, 1),
380	SOC_DAPM_SINGLE("I2S Switch", RT286_REC_I2S_SWITCH,
381			RT286_MUTE_SFT, 1, 1),
382	SOC_DAPM_SINGLE("Line1 Switch", RT286_REC_LINE_SWITCH,
383			RT286_MUTE_SFT, 1, 1),
384	SOC_DAPM_SINGLE("Beep Switch", RT286_REC_BEEP_SWITCH,
385			RT286_MUTE_SFT, 1, 1),
386};
387
388static const struct snd_kcontrol_new spo_enable_control =
389	SOC_DAPM_SINGLE("Switch", RT286_SET_PIN_SPK,
390			RT286_SET_PIN_SFT, 1, 0);
391
392static const struct snd_kcontrol_new hpol_enable_control =
393	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN,
394			RT286_MUTE_SFT, 1, 1);
395
396static const struct snd_kcontrol_new hpor_enable_control =
397	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOR_GAIN,
398			RT286_MUTE_SFT, 1, 1);
399
400/* ADC0 source */
401static const char * const rt286_adc_src[] = {
402	"Mic", "RECMIX", "Dmic"
403};
404
405static const int rt286_adc_values[] = {
406	0, 4, 5,
407};
408
409static SOC_VALUE_ENUM_SINGLE_DECL(
410	rt286_adc0_enum, RT286_ADC0_MUX, RT286_ADC_SEL_SFT,
411	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
412
413static const struct snd_kcontrol_new rt286_adc0_mux =
414	SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum);
415
416static SOC_VALUE_ENUM_SINGLE_DECL(
417	rt286_adc1_enum, RT286_ADC1_MUX, RT286_ADC_SEL_SFT,
418	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
419
420static const struct snd_kcontrol_new rt286_adc1_mux =
421	SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum);
422
423static const char * const rt286_dac_src[] = {
424	"Front", "Surround"
425};
426/* HP-OUT source */
427static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX,
428				0, rt286_dac_src);
429
430static const struct snd_kcontrol_new rt286_hpo_mux =
431SOC_DAPM_ENUM("HPO source", rt286_hpo_enum);
432
433/* SPK-OUT source */
434static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX,
435				0, rt286_dac_src);
436
437static const struct snd_kcontrol_new rt286_spo_mux =
438SOC_DAPM_ENUM("SPO source", rt286_spo_enum);
439
440static int rt286_spk_event(struct snd_soc_dapm_widget *w,
441			    struct snd_kcontrol *kcontrol, int event)
442{
443	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
444
445	switch (event) {
446	case SND_SOC_DAPM_POST_PMU:
447		snd_soc_component_write(component,
448			RT286_SPK_EAPD, RT286_SET_EAPD_HIGH);
449		break;
450	case SND_SOC_DAPM_PRE_PMD:
451		snd_soc_component_write(component,
452			RT286_SPK_EAPD, RT286_SET_EAPD_LOW);
453		break;
454
455	default:
456		return 0;
457	}
458
459	return 0;
460}
461
462static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w,
463				  struct snd_kcontrol *kcontrol, int event)
464{
465	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
466
467	switch (event) {
468	case SND_SOC_DAPM_POST_PMU:
469		snd_soc_component_write(component, RT286_SET_PIN_DMIC1, 0x20);
470		break;
471	case SND_SOC_DAPM_PRE_PMD:
472		snd_soc_component_write(component, RT286_SET_PIN_DMIC1, 0);
473		break;
474	default:
475		return 0;
476	}
477
478	return 0;
479}
480
481static int rt286_ldo2_event(struct snd_soc_dapm_widget *w,
482			     struct snd_kcontrol *kcontrol, int event)
483{
484	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
485
486	switch (event) {
487	case SND_SOC_DAPM_POST_PMU:
488		snd_soc_component_update_bits(component, RT286_POWER_CTRL2, 0x38, 0x08);
489		break;
490	case SND_SOC_DAPM_PRE_PMD:
491		snd_soc_component_update_bits(component, RT286_POWER_CTRL2, 0x38, 0x30);
492		break;
493	default:
494		return 0;
495	}
496
497	return 0;
498}
499
500static int rt286_mic1_event(struct snd_soc_dapm_widget *w,
501			     struct snd_kcontrol *kcontrol, int event)
502{
503	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
504
505	switch (event) {
506	case SND_SOC_DAPM_PRE_PMU:
507		snd_soc_component_update_bits(component,
508			RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
509		snd_soc_component_update_bits(component,
510			RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
511		break;
512	case SND_SOC_DAPM_POST_PMD:
513		snd_soc_component_update_bits(component,
514			RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
515		snd_soc_component_update_bits(component,
516			RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
517		break;
518	default:
519		return 0;
520	}
521
522	return 0;
523}
524
525static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
526	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT286_POWER_CTRL1,
527		12, 1, NULL, 0),
528	SND_SOC_DAPM_SUPPLY("VREF", RT286_POWER_CTRL1,
529		0, 1, NULL, 0),
530	SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT286_POWER_CTRL2,
531		2, 0, NULL, 0),
532	SND_SOC_DAPM_SUPPLY_S("LDO2", 2, RT286_POWER_CTRL1,
533		13, 1, rt286_ldo2_event, SND_SOC_DAPM_PRE_PMD |
534		SND_SOC_DAPM_POST_PMU),
535	SND_SOC_DAPM_SUPPLY("MCLK MODE", RT286_PLL_CTRL1,
536		5, 0, NULL, 0),
537	SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
538		0, 0, rt286_mic1_event, SND_SOC_DAPM_PRE_PMU |
539		SND_SOC_DAPM_POST_PMD),
540
541	/* Input Lines */
542	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
543	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
544	SND_SOC_DAPM_INPUT("MIC1"),
545	SND_SOC_DAPM_INPUT("LINE1"),
546	SND_SOC_DAPM_INPUT("Beep"),
547
548	/* DMIC */
549	SND_SOC_DAPM_PGA_E("DMIC1", RT286_SET_POWER(RT286_DMIC1), 0, 1,
550		NULL, 0, rt286_set_dmic1_event,
551		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
552	SND_SOC_DAPM_PGA("DMIC2", RT286_SET_POWER(RT286_DMIC2), 0, 1,
553		NULL, 0),
554	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
555		0, 0, NULL, 0),
556
557	/* REC Mixer */
558	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
559		rt286_rec_mix, ARRAY_SIZE(rt286_rec_mix)),
560
561	/* ADCs */
562	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
563	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
564
565	/* ADC Mux */
566	SND_SOC_DAPM_MUX("ADC 0 Mux", RT286_SET_POWER(RT286_ADC_IN1), 0, 1,
567		&rt286_adc0_mux),
568	SND_SOC_DAPM_MUX("ADC 1 Mux", RT286_SET_POWER(RT286_ADC_IN2), 0, 1,
569		&rt286_adc1_mux),
570
571	/* Audio Interface */
572	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
573	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
574	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
575	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
576
577	/* Output Side */
578	/* DACs */
579	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
580	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
581
582	/* Output Mux */
583	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt286_spo_mux),
584	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt286_hpo_mux),
585
586	SND_SOC_DAPM_SUPPLY("HP Power", RT286_SET_PIN_HPO,
587		RT286_SET_PIN_SFT, 0, NULL, 0),
588
589	/* Output Mixer */
590	SND_SOC_DAPM_MIXER("Front", RT286_SET_POWER(RT286_DAC_OUT1), 0, 1,
591			rt286_front_mix, ARRAY_SIZE(rt286_front_mix)),
592	SND_SOC_DAPM_PGA("Surround", RT286_SET_POWER(RT286_DAC_OUT2), 0, 1,
593			NULL, 0),
594
595	/* Output Pga */
596	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
597		&spo_enable_control, rt286_spk_event,
598		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
599	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
600		&hpol_enable_control),
601	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
602		&hpor_enable_control),
603
604	/* Output Lines */
605	SND_SOC_DAPM_OUTPUT("SPOL"),
606	SND_SOC_DAPM_OUTPUT("SPOR"),
607	SND_SOC_DAPM_OUTPUT("HPO Pin"),
608	SND_SOC_DAPM_OUTPUT("SPDIF"),
609};
610
611static const struct snd_soc_dapm_route rt286_dapm_routes[] = {
612	{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
613	{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
614	{"Front", NULL, "MCLK MODE", is_mclk_mode},
615	{"Surround", NULL, "MCLK MODE", is_mclk_mode},
616
617	{"HP Power", NULL, "LDO1"},
618	{"HP Power", NULL, "LDO2"},
619
620	{"MIC1", NULL, "LDO1"},
621	{"MIC1", NULL, "LDO2"},
622	{"MIC1", NULL, "HV"},
623	{"MIC1", NULL, "VREF"},
624	{"MIC1", NULL, "MIC1 Input Buffer"},
625
626	{"SPO", NULL, "LDO1"},
627	{"SPO", NULL, "LDO2"},
628	{"SPO", NULL, "HV"},
629	{"SPO", NULL, "VREF"},
630
631	{"DMIC1", NULL, "DMIC1 Pin"},
632	{"DMIC2", NULL, "DMIC2 Pin"},
633	{"DMIC1", NULL, "DMIC Receiver"},
634	{"DMIC2", NULL, "DMIC Receiver"},
635
636	{"RECMIX", "Beep Switch", "Beep"},
637	{"RECMIX", "Line1 Switch", "LINE1"},
638	{"RECMIX", "Mic1 Switch", "MIC1"},
639
640	{"ADC 0 Mux", "Dmic", "DMIC1"},
641	{"ADC 0 Mux", "RECMIX", "RECMIX"},
642	{"ADC 0 Mux", "Mic", "MIC1"},
643	{"ADC 1 Mux", "Dmic", "DMIC2"},
644	{"ADC 1 Mux", "RECMIX", "RECMIX"},
645	{"ADC 1 Mux", "Mic", "MIC1"},
646
647	{"ADC 0", NULL, "ADC 0 Mux"},
648	{"ADC 1", NULL, "ADC 1 Mux"},
649
650	{"AIF1TX", NULL, "ADC 0"},
651	{"AIF2TX", NULL, "ADC 1"},
652
653	{"DAC 0", NULL, "AIF1RX"},
654	{"DAC 1", NULL, "AIF2RX"},
655
656	{"Front", "DAC Switch", "DAC 0"},
657	{"Front", "RECMIX Switch", "RECMIX"},
658
659	{"Surround", NULL, "DAC 1"},
660
661	{"SPK Mux", "Front", "Front"},
662	{"SPK Mux", "Surround", "Surround"},
663
664	{"HPO Mux", "Front", "Front"},
665	{"HPO Mux", "Surround", "Surround"},
666
667	{"SPO", "Switch", "SPK Mux"},
668	{"HPO L", "Switch", "HPO Mux"},
669	{"HPO R", "Switch", "HPO Mux"},
670	{"HPO L", NULL, "HP Power"},
671	{"HPO R", NULL, "HP Power"},
672
673	{"SPOL", NULL, "SPO"},
674	{"SPOR", NULL, "SPO"},
675	{"HPO Pin", NULL, "HPO L"},
676	{"HPO Pin", NULL, "HPO R"},
677};
678
679static int rt286_hw_params(struct snd_pcm_substream *substream,
680			    struct snd_pcm_hw_params *params,
681			    struct snd_soc_dai *dai)
682{
683	struct snd_soc_component *component = dai->component;
684	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
685	unsigned int val = 0;
686	int d_len_code;
687
688	switch (params_rate(params)) {
689	/* bit 14 0:48K 1:44.1K */
690	case 44100:
691		val |= 0x4000;
692		break;
693	case 48000:
694		break;
695	default:
696		dev_err(component->dev, "Unsupported sample rate %d\n",
697					params_rate(params));
698		return -EINVAL;
699	}
700	switch (rt286->sys_clk) {
701	case 12288000:
702	case 24576000:
703		if (params_rate(params) != 48000) {
704			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
705					params_rate(params), rt286->sys_clk);
706			return -EINVAL;
707		}
708		break;
709	case 11289600:
710	case 22579200:
711		if (params_rate(params) != 44100) {
712			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
713					params_rate(params), rt286->sys_clk);
714			return -EINVAL;
715		}
716		break;
717	}
718
719	if (params_channels(params) <= 16) {
720		/* bit 3:0 Number of Channel */
721		val |= (params_channels(params) - 1);
722	} else {
723		dev_err(component->dev, "Unsupported channels %d\n",
724					params_channels(params));
725		return -EINVAL;
726	}
727
728	switch (params_width(params)) {
729	/* bit 6:4 Bits per Sample */
730	case 16:
731		d_len_code = 0;
732		val |= (0x1 << 4);
733		break;
734	case 32:
735		d_len_code = 2;
736		val |= (0x4 << 4);
737		break;
738	case 20:
739		d_len_code = 1;
740		val |= (0x2 << 4);
741		break;
742	case 24:
743		d_len_code = 2;
744		val |= (0x3 << 4);
745		break;
746	case 8:
747		d_len_code = 3;
748		break;
749	default:
750		return -EINVAL;
751	}
752
753	snd_soc_component_update_bits(component,
754		RT286_I2S_CTRL1, 0x0018, d_len_code << 3);
755	dev_dbg(component->dev, "format val = 0x%x\n", val);
756
757	snd_soc_component_update_bits(component, RT286_DAC_FORMAT, 0x407f, val);
758	snd_soc_component_update_bits(component, RT286_ADC_FORMAT, 0x407f, val);
759
760	return 0;
761}
762
763static int rt286_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
764{
765	struct snd_soc_component *component = dai->component;
766
767	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
768	case SND_SOC_DAIFMT_CBM_CFM:
769		snd_soc_component_update_bits(component,
770			RT286_I2S_CTRL1, 0x800, 0x800);
771		break;
772	case SND_SOC_DAIFMT_CBS_CFS:
773		snd_soc_component_update_bits(component,
774			RT286_I2S_CTRL1, 0x800, 0x0);
775		break;
776	default:
777		return -EINVAL;
778	}
779
780	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
781	case SND_SOC_DAIFMT_I2S:
782		snd_soc_component_update_bits(component,
783			RT286_I2S_CTRL1, 0x300, 0x0);
784		break;
785	case SND_SOC_DAIFMT_LEFT_J:
786		snd_soc_component_update_bits(component,
787			RT286_I2S_CTRL1, 0x300, 0x1 << 8);
788		break;
789	case SND_SOC_DAIFMT_DSP_A:
790		snd_soc_component_update_bits(component,
791			RT286_I2S_CTRL1, 0x300, 0x2 << 8);
792		break;
793	case SND_SOC_DAIFMT_DSP_B:
794		snd_soc_component_update_bits(component,
795			RT286_I2S_CTRL1, 0x300, 0x3 << 8);
796		break;
797	default:
798		return -EINVAL;
799	}
800	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
801	snd_soc_component_update_bits(component, RT286_DAC_FORMAT, 0x8000, 0);
802	snd_soc_component_update_bits(component, RT286_ADC_FORMAT, 0x8000, 0);
803
804	return 0;
805}
806
807static int rt286_set_dai_sysclk(struct snd_soc_dai *dai,
808				int clk_id, unsigned int freq, int dir)
809{
810	struct snd_soc_component *component = dai->component;
811	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
812
813	dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
814
815	if (RT286_SCLK_S_MCLK == clk_id) {
816		snd_soc_component_update_bits(component,
817			RT286_I2S_CTRL2, 0x0100, 0x0);
818		snd_soc_component_update_bits(component,
819			RT286_PLL_CTRL1, 0x20, 0x20);
820	} else {
821		snd_soc_component_update_bits(component,
822			RT286_I2S_CTRL2, 0x0100, 0x0100);
823		snd_soc_component_update_bits(component,
824			RT286_PLL_CTRL, 0x4, 0x4);
825		snd_soc_component_update_bits(component,
826			RT286_PLL_CTRL1, 0x20, 0x0);
827	}
828
829	switch (freq) {
830	case 19200000:
831		if (RT286_SCLK_S_MCLK == clk_id) {
832			dev_err(component->dev, "Should not use MCLK\n");
833			return -EINVAL;
834		}
835		snd_soc_component_update_bits(component,
836			RT286_I2S_CTRL2, 0x40, 0x40);
837		break;
838	case 24000000:
839		if (RT286_SCLK_S_MCLK == clk_id) {
840			dev_err(component->dev, "Should not use MCLK\n");
841			return -EINVAL;
842		}
843		snd_soc_component_update_bits(component,
844			RT286_I2S_CTRL2, 0x40, 0x0);
845		break;
846	case 12288000:
847	case 11289600:
848		snd_soc_component_update_bits(component,
849			RT286_I2S_CTRL2, 0x8, 0x0);
850		snd_soc_component_update_bits(component,
851			RT286_CLK_DIV, 0xfc1e, 0x0004);
852		break;
853	case 24576000:
854	case 22579200:
855		snd_soc_component_update_bits(component,
856			RT286_I2S_CTRL2, 0x8, 0x8);
857		snd_soc_component_update_bits(component,
858			RT286_CLK_DIV, 0xfc1e, 0x5406);
859		break;
860	default:
861		dev_err(component->dev, "Unsupported system clock\n");
862		return -EINVAL;
863	}
864
865	rt286->sys_clk = freq;
866	rt286->clk_id = clk_id;
867
868	return 0;
869}
870
871static int rt286_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
872{
873	struct snd_soc_component *component = dai->component;
874
875	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
876	if (50 == ratio)
877		snd_soc_component_update_bits(component,
878			RT286_I2S_CTRL1, 0x1000, 0x1000);
879	else
880		snd_soc_component_update_bits(component,
881			RT286_I2S_CTRL1, 0x1000, 0x0);
882
883
884	return 0;
885}
886
887static int rt286_set_bias_level(struct snd_soc_component *component,
888				 enum snd_soc_bias_level level)
889{
890	switch (level) {
891	case SND_SOC_BIAS_PREPARE:
892		if (SND_SOC_BIAS_STANDBY == snd_soc_component_get_bias_level(component)) {
893			snd_soc_component_write(component,
894				RT286_SET_AUDIO_POWER, AC_PWRST_D0);
895			snd_soc_component_update_bits(component,
896				RT286_DC_GAIN, 0x200, 0x200);
897		}
898		break;
899
900	case SND_SOC_BIAS_ON:
901		mdelay(10);
902		snd_soc_component_update_bits(component,
903			RT286_DC_GAIN, 0x200, 0x0);
904
905		break;
906
907	case SND_SOC_BIAS_STANDBY:
908		snd_soc_component_write(component,
909			RT286_SET_AUDIO_POWER, AC_PWRST_D3);
910		break;
911
912	default:
913		break;
914	}
915
916	return 0;
917}
918
919static irqreturn_t rt286_irq(int irq, void *data)
920{
921	struct rt286_priv *rt286 = data;
922	bool hp = false;
923	bool mic = false;
924	int status = 0;
925
926	rt286_jack_detect(rt286, &hp, &mic);
927
928	/* Clear IRQ */
929	regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x1, 0x1);
930
931	if (hp)
932		status |= SND_JACK_HEADPHONE;
933
934	if (mic)
935		status |= SND_JACK_MICROPHONE;
936
937	snd_soc_jack_report(rt286->jack, status,
938		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
939
940	pm_wakeup_event(&rt286->i2c->dev, 300);
941
942	return IRQ_HANDLED;
943}
944
945static int rt286_probe(struct snd_soc_component *component)
946{
947	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
948
949	rt286->component = component;
950	INIT_DELAYED_WORK(&rt286->jack_detect_work, rt286_jack_detect_work);
951
952	if (rt286->i2c->irq)
953		schedule_delayed_work(&rt286->jack_detect_work,
954				      msecs_to_jiffies(50));
955	return 0;
956}
957
958static void rt286_remove(struct snd_soc_component *component)
959{
960	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
961
962	cancel_delayed_work_sync(&rt286->jack_detect_work);
963	rt286->component = NULL;
964}
965
966#ifdef CONFIG_PM
967static int rt286_suspend(struct snd_soc_component *component)
968{
969	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
970
971	regcache_cache_only(rt286->regmap, true);
972	regcache_mark_dirty(rt286->regmap);
973
974	return 0;
975}
976
977static int rt286_resume(struct snd_soc_component *component)
978{
979	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
980
981	regcache_cache_only(rt286->regmap, false);
982	rt286_index_sync(component);
983	regcache_sync(rt286->regmap);
984
985	return 0;
986}
987#else
988#define rt286_suspend NULL
989#define rt286_resume NULL
990#endif
991
992#define RT286_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
993#define RT286_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
994			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
995
996static const struct snd_soc_dai_ops rt286_aif_dai_ops = {
997	.hw_params = rt286_hw_params,
998	.set_fmt = rt286_set_dai_fmt,
999	.set_sysclk = rt286_set_dai_sysclk,
1000	.set_bclk_ratio = rt286_set_bclk_ratio,
1001};
1002
1003static struct snd_soc_dai_driver rt286_dai[] = {
1004	{
1005		.name = "rt286-aif1",
1006		.id = RT286_AIF1,
1007		.playback = {
1008			.stream_name = "AIF1 Playback",
1009			.channels_min = 1,
1010			.channels_max = 2,
1011			.rates = RT286_STEREO_RATES,
1012			.formats = RT286_FORMATS,
1013		},
1014		.capture = {
1015			.stream_name = "AIF1 Capture",
1016			.channels_min = 1,
1017			.channels_max = 2,
1018			.rates = RT286_STEREO_RATES,
1019			.formats = RT286_FORMATS,
1020		},
1021		.ops = &rt286_aif_dai_ops,
1022		.symmetric_rate = 1,
1023	},
1024	{
1025		.name = "rt286-aif2",
1026		.id = RT286_AIF2,
1027		.playback = {
1028			.stream_name = "AIF2 Playback",
1029			.channels_min = 1,
1030			.channels_max = 2,
1031			.rates = RT286_STEREO_RATES,
1032			.formats = RT286_FORMATS,
1033		},
1034		.capture = {
1035			.stream_name = "AIF2 Capture",
1036			.channels_min = 1,
1037			.channels_max = 2,
1038			.rates = RT286_STEREO_RATES,
1039			.formats = RT286_FORMATS,
1040		},
1041		.ops = &rt286_aif_dai_ops,
1042		.symmetric_rate = 1,
1043	},
1044
1045};
1046
1047static const struct snd_soc_component_driver soc_component_dev_rt286 = {
1048	.probe			= rt286_probe,
1049	.remove			= rt286_remove,
1050	.suspend		= rt286_suspend,
1051	.resume			= rt286_resume,
1052	.set_bias_level		= rt286_set_bias_level,
1053	.set_jack		= rt286_mic_detect,
1054	.controls		= rt286_snd_controls,
1055	.num_controls		= ARRAY_SIZE(rt286_snd_controls),
1056	.dapm_widgets		= rt286_dapm_widgets,
1057	.num_dapm_widgets	= ARRAY_SIZE(rt286_dapm_widgets),
1058	.dapm_routes		= rt286_dapm_routes,
1059	.num_dapm_routes	= ARRAY_SIZE(rt286_dapm_routes),
1060	.use_pmdown_time	= 1,
1061	.endianness		= 1,
1062};
1063
1064static const struct regmap_config rt286_regmap = {
1065	.reg_bits = 32,
1066	.val_bits = 32,
1067	.max_register = 0x02370100,
1068	.volatile_reg = rt286_volatile_register,
1069	.readable_reg = rt286_readable_register,
1070	.reg_write = rl6347a_hw_write,
1071	.reg_read = rl6347a_hw_read,
1072	.cache_type = REGCACHE_RBTREE,
1073	.reg_defaults = rt286_reg,
1074	.num_reg_defaults = ARRAY_SIZE(rt286_reg),
1075};
1076
1077static const struct i2c_device_id rt286_i2c_id[] = {
1078	{"rt286", 0},
1079	{"rt288", 0},
1080	{}
1081};
1082MODULE_DEVICE_TABLE(i2c, rt286_i2c_id);
1083
1084#ifdef CONFIG_ACPI
1085static const struct acpi_device_id rt286_acpi_match[] = {
1086	{ "INT343A", 0 },
1087	{},
1088};
1089MODULE_DEVICE_TABLE(acpi, rt286_acpi_match);
1090#endif
1091
1092static const struct dmi_system_id force_combo_jack_table[] = {
1093	{
1094		.ident = "Intel Wilson Beach",
1095		.matches = {
1096			DMI_MATCH(DMI_BOARD_NAME, "Wilson Beach SDS")
1097		}
1098	},
1099	{
1100		.ident = "Intel Skylake RVP",
1101		.matches = {
1102			DMI_MATCH(DMI_PRODUCT_NAME, "Skylake Client platform")
1103		}
1104	},
1105	{
1106		.ident = "Intel Kabylake RVP",
1107		.matches = {
1108			DMI_MATCH(DMI_PRODUCT_NAME, "Kabylake Client platform")
1109		}
1110	},
1111	{
1112		.ident = "Thinkpad Helix 2nd",
1113		.matches = {
1114			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1115			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Helix 2nd")
1116		}
1117	},
1118
1119	{ }
1120};
1121
1122static const struct dmi_system_id dmi_dell[] = {
1123	{
1124		.ident = "Dell",
1125		.matches = {
1126			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1127		}
1128	},
1129	{ }
1130};
1131
1132static int rt286_i2c_probe(struct i2c_client *i2c)
1133{
1134	struct rt286_platform_data *pdata = dev_get_platdata(&i2c->dev);
1135	struct rt286_priv *rt286;
1136	int i, ret, vendor_id;
1137
1138	rt286 = devm_kzalloc(&i2c->dev,	sizeof(*rt286),
1139				GFP_KERNEL);
1140	if (NULL == rt286)
1141		return -ENOMEM;
1142
1143	rt286->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt286_regmap);
1144	if (IS_ERR(rt286->regmap)) {
1145		ret = PTR_ERR(rt286->regmap);
1146		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1147			ret);
1148		return ret;
1149	}
1150
1151	ret = regmap_read(rt286->regmap,
1152		RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &vendor_id);
1153	if (ret != 0) {
1154		dev_err(&i2c->dev, "I2C error %d\n", ret);
1155		return ret;
1156	}
1157	if (vendor_id != RT286_VENDOR_ID && vendor_id != RT288_VENDOR_ID) {
1158		dev_err(&i2c->dev,
1159			"Device with ID register %#x is not rt286\n",
1160			vendor_id);
1161		return -ENODEV;
1162	}
1163
1164	rt286->index_cache = devm_kmemdup(&i2c->dev, rt286_index_def,
1165					  sizeof(rt286_index_def), GFP_KERNEL);
1166	if (!rt286->index_cache)
1167		return -ENOMEM;
1168
1169	rt286->index_cache_size = INDEX_CACHE_SIZE;
1170	rt286->i2c = i2c;
1171	i2c_set_clientdata(i2c, rt286);
1172
1173	/* restore codec default */
1174	for (i = 0; i < INDEX_CACHE_SIZE; i++)
1175		regmap_write(rt286->regmap, rt286->index_cache[i].reg,
1176				rt286->index_cache[i].def);
1177	for (i = 0; i < ARRAY_SIZE(rt286_reg); i++)
1178		regmap_write(rt286->regmap, rt286_reg[i].reg,
1179				rt286_reg[i].def);
1180
1181	if (pdata)
1182		rt286->pdata = *pdata;
1183
1184	if ((vendor_id == RT288_VENDOR_ID && dmi_check_system(dmi_dell)) ||
1185		dmi_check_system(force_combo_jack_table))
1186		rt286->pdata.cbj_en = true;
1187
1188	regmap_write(rt286->regmap, RT286_SET_AUDIO_POWER, AC_PWRST_D3);
1189
1190	for (i = 0; i < RT286_POWER_REG_LEN; i++)
1191		regmap_write(rt286->regmap,
1192			RT286_SET_POWER(rt286_support_power_controls[i]),
1193			AC_PWRST_D1);
1194
1195	if (!rt286->pdata.cbj_en) {
1196		regmap_write(rt286->regmap, RT286_CBJ_CTRL2, 0x0000);
1197		regmap_write(rt286->regmap, RT286_MIC1_DET_CTRL, 0x0816);
1198		regmap_update_bits(rt286->regmap,
1199					RT286_CBJ_CTRL1, 0xf000, 0xb000);
1200	} else {
1201		regmap_update_bits(rt286->regmap,
1202					RT286_CBJ_CTRL1, 0xf000, 0x5000);
1203	}
1204
1205	mdelay(10);
1206
1207	if (!rt286->pdata.gpio2_en)
1208		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0x40);
1209	else
1210		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0);
1211
1212	mdelay(10);
1213
1214	regmap_write(rt286->regmap, RT286_MISC_CTRL1, 0x0000);
1215	/* Power down LDO, VREF */
1216	regmap_update_bits(rt286->regmap, RT286_POWER_CTRL2, 0xc, 0x0);
1217	regmap_update_bits(rt286->regmap, RT286_POWER_CTRL1, 0x1001, 0x1001);
1218
1219	/* Set depop parameter */
1220	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL2, 0x403a, 0x401a);
1221	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL3, 0xf777, 0x4737);
1222	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL4, 0x00ff, 0x003f);
1223
1224	if (vendor_id == RT288_VENDOR_ID && dmi_check_system(dmi_dell)) {
1225		regmap_update_bits(rt286->regmap,
1226			RT286_SET_GPIO_MASK, 0x40, 0x40);
1227		regmap_update_bits(rt286->regmap,
1228			RT286_SET_GPIO_DIRECTION, 0x40, 0x40);
1229		regmap_update_bits(rt286->regmap,
1230			RT286_SET_GPIO_DATA, 0x40, 0x40);
1231		regmap_update_bits(rt286->regmap,
1232			RT286_GPIO_CTRL, 0xc, 0x8);
1233	}
1234
1235	if (rt286->i2c->irq) {
1236		ret = request_threaded_irq(rt286->i2c->irq, NULL, rt286_irq,
1237			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt286", rt286);
1238		if (ret != 0) {
1239			dev_err(&i2c->dev,
1240				"Failed to request IRQ: %d\n", ret);
1241			return ret;
1242		}
1243	}
1244
1245	ret = devm_snd_soc_register_component(&i2c->dev,
1246				     &soc_component_dev_rt286,
1247				     rt286_dai, ARRAY_SIZE(rt286_dai));
1248
1249	return ret;
1250}
1251
1252static void rt286_i2c_remove(struct i2c_client *i2c)
1253{
1254	struct rt286_priv *rt286 = i2c_get_clientdata(i2c);
1255
1256	if (i2c->irq)
1257		free_irq(i2c->irq, rt286);
1258}
1259
1260
1261static struct i2c_driver rt286_i2c_driver = {
1262	.driver = {
1263		   .name = "rt286",
1264		   .acpi_match_table = ACPI_PTR(rt286_acpi_match),
1265		   },
1266	.probe = rt286_i2c_probe,
1267	.remove = rt286_i2c_remove,
1268	.id_table = rt286_i2c_id,
1269};
1270
1271module_i2c_driver(rt286_i2c_driver);
1272
1273MODULE_DESCRIPTION("ASoC RT286 driver");
1274MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1275MODULE_LICENSE("GPL");
1276