xref: /openbmc/linux/sound/soc/codecs/rt286.c (revision 5d0e4d78)
1 /*
2  * rt286.c  --  RT286 ALSA SoC audio codec driver
3  *
4  * Copyright 2013 Realtek Semiconductor Corp.
5  * Author: Bard Liao <bardliao@realtek.com>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License version 2 as
9  * published by the Free Software Foundation.
10  */
11 
12 #include <linux/module.h>
13 #include <linux/moduleparam.h>
14 #include <linux/init.h>
15 #include <linux/delay.h>
16 #include <linux/pm.h>
17 #include <linux/i2c.h>
18 #include <linux/platform_device.h>
19 #include <linux/spi/spi.h>
20 #include <linux/dmi.h>
21 #include <linux/acpi.h>
22 #include <sound/core.h>
23 #include <sound/pcm.h>
24 #include <sound/pcm_params.h>
25 #include <sound/soc.h>
26 #include <sound/soc-dapm.h>
27 #include <sound/initval.h>
28 #include <sound/tlv.h>
29 #include <sound/jack.h>
30 #include <linux/workqueue.h>
31 #include <sound/rt286.h>
32 
33 #include "rl6347a.h"
34 #include "rt286.h"
35 
36 #define RT286_VENDOR_ID 0x10ec0286
37 #define RT288_VENDOR_ID 0x10ec0288
38 
39 struct rt286_priv {
40 	struct reg_default *index_cache;
41 	int index_cache_size;
42 	struct regmap *regmap;
43 	struct snd_soc_codec *codec;
44 	struct rt286_platform_data pdata;
45 	struct i2c_client *i2c;
46 	struct snd_soc_jack *jack;
47 	struct delayed_work jack_detect_work;
48 	int sys_clk;
49 	int clk_id;
50 };
51 
52 static const struct reg_default rt286_index_def[] = {
53 	{ 0x01, 0xaaaa },
54 	{ 0x02, 0x8aaa },
55 	{ 0x03, 0x0002 },
56 	{ 0x04, 0xaf01 },
57 	{ 0x08, 0x000d },
58 	{ 0x09, 0xd810 },
59 	{ 0x0a, 0x0120 },
60 	{ 0x0b, 0x0000 },
61 	{ 0x0d, 0x2800 },
62 	{ 0x0f, 0x0000 },
63 	{ 0x19, 0x0a17 },
64 	{ 0x20, 0x0020 },
65 	{ 0x33, 0x0208 },
66 	{ 0x49, 0x0004 },
67 	{ 0x4f, 0x50e9 },
68 	{ 0x50, 0x2000 },
69 	{ 0x63, 0x2902 },
70 	{ 0x67, 0x1111 },
71 	{ 0x68, 0x1016 },
72 	{ 0x69, 0x273f },
73 };
74 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt286_index_def)
75 
76 static const struct reg_default rt286_reg[] = {
77 	{ 0x00170500, 0x00000400 },
78 	{ 0x00220000, 0x00000031 },
79 	{ 0x00239000, 0x0000007f },
80 	{ 0x0023a000, 0x0000007f },
81 	{ 0x00270500, 0x00000400 },
82 	{ 0x00370500, 0x00000400 },
83 	{ 0x00870500, 0x00000400 },
84 	{ 0x00920000, 0x00000031 },
85 	{ 0x00935000, 0x000000c3 },
86 	{ 0x00936000, 0x000000c3 },
87 	{ 0x00970500, 0x00000400 },
88 	{ 0x00b37000, 0x00000097 },
89 	{ 0x00b37200, 0x00000097 },
90 	{ 0x00b37300, 0x00000097 },
91 	{ 0x00c37000, 0x00000000 },
92 	{ 0x00c37100, 0x00000080 },
93 	{ 0x01270500, 0x00000400 },
94 	{ 0x01370500, 0x00000400 },
95 	{ 0x01371f00, 0x411111f0 },
96 	{ 0x01439000, 0x00000080 },
97 	{ 0x0143a000, 0x00000080 },
98 	{ 0x01470700, 0x00000000 },
99 	{ 0x01470500, 0x00000400 },
100 	{ 0x01470c00, 0x00000000 },
101 	{ 0x01470100, 0x00000000 },
102 	{ 0x01837000, 0x00000000 },
103 	{ 0x01870500, 0x00000400 },
104 	{ 0x02050000, 0x00000000 },
105 	{ 0x02139000, 0x00000080 },
106 	{ 0x0213a000, 0x00000080 },
107 	{ 0x02170100, 0x00000000 },
108 	{ 0x02170500, 0x00000400 },
109 	{ 0x02170700, 0x00000000 },
110 	{ 0x02270100, 0x00000000 },
111 	{ 0x02370100, 0x00000000 },
112 	{ 0x01870700, 0x00000020 },
113 	{ 0x00830000, 0x000000c3 },
114 	{ 0x00930000, 0x000000c3 },
115 	{ 0x01270700, 0x00000000 },
116 };
117 
118 static bool rt286_volatile_register(struct device *dev, unsigned int reg)
119 {
120 	switch (reg) {
121 	case 0 ... 0xff:
122 	case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
123 	case RT286_GET_HP_SENSE:
124 	case RT286_GET_MIC1_SENSE:
125 	case RT286_PROC_COEF:
126 		return true;
127 	default:
128 		return false;
129 	}
130 
131 
132 }
133 
134 static bool rt286_readable_register(struct device *dev, unsigned int reg)
135 {
136 	switch (reg) {
137 	case 0 ... 0xff:
138 	case RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
139 	case RT286_GET_HP_SENSE:
140 	case RT286_GET_MIC1_SENSE:
141 	case RT286_SET_AUDIO_POWER:
142 	case RT286_SET_HPO_POWER:
143 	case RT286_SET_SPK_POWER:
144 	case RT286_SET_DMIC1_POWER:
145 	case RT286_SPK_MUX:
146 	case RT286_HPO_MUX:
147 	case RT286_ADC0_MUX:
148 	case RT286_ADC1_MUX:
149 	case RT286_SET_MIC1:
150 	case RT286_SET_PIN_HPO:
151 	case RT286_SET_PIN_SPK:
152 	case RT286_SET_PIN_DMIC1:
153 	case RT286_SPK_EAPD:
154 	case RT286_SET_AMP_GAIN_HPO:
155 	case RT286_SET_DMIC2_DEFAULT:
156 	case RT286_DACL_GAIN:
157 	case RT286_DACR_GAIN:
158 	case RT286_ADCL_GAIN:
159 	case RT286_ADCR_GAIN:
160 	case RT286_MIC_GAIN:
161 	case RT286_SPOL_GAIN:
162 	case RT286_SPOR_GAIN:
163 	case RT286_HPOL_GAIN:
164 	case RT286_HPOR_GAIN:
165 	case RT286_F_DAC_SWITCH:
166 	case RT286_F_RECMIX_SWITCH:
167 	case RT286_REC_MIC_SWITCH:
168 	case RT286_REC_I2S_SWITCH:
169 	case RT286_REC_LINE_SWITCH:
170 	case RT286_REC_BEEP_SWITCH:
171 	case RT286_DAC_FORMAT:
172 	case RT286_ADC_FORMAT:
173 	case RT286_COEF_INDEX:
174 	case RT286_PROC_COEF:
175 	case RT286_SET_AMP_GAIN_ADC_IN1:
176 	case RT286_SET_AMP_GAIN_ADC_IN2:
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
190 static void rt286_index_sync(struct snd_soc_codec *codec)
191 {
192 	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
193 	int i;
194 
195 	for (i = 0; i < INDEX_CACHE_SIZE; i++) {
196 		snd_soc_write(codec, rt286->index_cache[i].reg,
197 				  rt286->index_cache[i].def);
198 	}
199 }
200 #endif
201 
202 static 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 
215 static 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->codec)
224 		return -EINVAL;
225 
226 	dapm = snd_soc_codec_get_dapm(rt286->codec);
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 			}
263 			regmap_update_bits(rt286->regmap,
264 				RT286_DC_GAIN, 0x200, 0x0);
265 
266 		} else {
267 			*mic = false;
268 			regmap_write(rt286->regmap, RT286_SET_MIC1, 0x20);
269 			regmap_update_bits(rt286->regmap,
270 				RT286_CBJ_CTRL1, 0x0400, 0x0000);
271 		}
272 	} else {
273 		regmap_read(rt286->regmap, RT286_GET_HP_SENSE, &buf);
274 		*hp = buf & 0x80000000;
275 		regmap_read(rt286->regmap, RT286_GET_MIC1_SENSE, &buf);
276 		*mic = buf & 0x80000000;
277 	}
278 
279 	snd_soc_dapm_disable_pin(dapm, "HV");
280 	snd_soc_dapm_disable_pin(dapm, "VREF");
281 	if (!*hp)
282 		snd_soc_dapm_disable_pin(dapm, "LDO1");
283 	snd_soc_dapm_sync(dapm);
284 
285 	return 0;
286 }
287 
288 static void rt286_jack_detect_work(struct work_struct *work)
289 {
290 	struct rt286_priv *rt286 =
291 		container_of(work, struct rt286_priv, jack_detect_work.work);
292 	int status = 0;
293 	bool hp = false;
294 	bool mic = false;
295 
296 	rt286_jack_detect(rt286, &hp, &mic);
297 
298 	if (hp == true)
299 		status |= SND_JACK_HEADPHONE;
300 
301 	if (mic == true)
302 		status |= SND_JACK_MICROPHONE;
303 
304 	snd_soc_jack_report(rt286->jack, status,
305 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
306 }
307 
308 int rt286_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
309 {
310 	struct snd_soc_dapm_context *dapm = snd_soc_codec_get_dapm(codec);
311 	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
312 
313 	rt286->jack = jack;
314 
315 	if (jack) {
316 		/* enable IRQ */
317 		if (rt286->jack->status & SND_JACK_HEADPHONE)
318 			snd_soc_dapm_force_enable_pin(dapm, "LDO1");
319 		regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x2);
320 		/* Send an initial empty report */
321 		snd_soc_jack_report(rt286->jack, rt286->jack->status,
322 			SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
323 	} else {
324 		/* disable IRQ */
325 		regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x0);
326 		snd_soc_dapm_disable_pin(dapm, "LDO1");
327 	}
328 	snd_soc_dapm_sync(dapm);
329 
330 	return 0;
331 }
332 EXPORT_SYMBOL_GPL(rt286_mic_detect);
333 
334 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
335 			 struct snd_soc_dapm_widget *sink)
336 {
337 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
338 	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
339 
340 	if (rt286->clk_id == RT286_SCLK_S_MCLK)
341 		return 1;
342 	else
343 		return 0;
344 }
345 
346 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
347 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
348 
349 static const struct snd_kcontrol_new rt286_snd_controls[] = {
350 	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT286_DACL_GAIN,
351 			    RT286_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
352 	SOC_DOUBLE_R("ADC0 Capture Switch", RT286_ADCL_GAIN,
353 			    RT286_ADCR_GAIN, 7, 1, 1),
354 	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT286_ADCL_GAIN,
355 			    RT286_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
356 	SOC_SINGLE_TLV("AMIC Volume", RT286_MIC_GAIN,
357 			    0, 0x3, 0, mic_vol_tlv),
358 	SOC_DOUBLE_R("Speaker Playback Switch", RT286_SPOL_GAIN,
359 			    RT286_SPOR_GAIN, RT286_MUTE_SFT, 1, 1),
360 };
361 
362 /* Digital Mixer */
363 static const struct snd_kcontrol_new rt286_front_mix[] = {
364 	SOC_DAPM_SINGLE("DAC Switch",  RT286_F_DAC_SWITCH,
365 			RT286_MUTE_SFT, 1, 1),
366 	SOC_DAPM_SINGLE("RECMIX Switch", RT286_F_RECMIX_SWITCH,
367 			RT286_MUTE_SFT, 1, 1),
368 };
369 
370 /* Analog Input Mixer */
371 static const struct snd_kcontrol_new rt286_rec_mix[] = {
372 	SOC_DAPM_SINGLE("Mic1 Switch", RT286_REC_MIC_SWITCH,
373 			RT286_MUTE_SFT, 1, 1),
374 	SOC_DAPM_SINGLE("I2S Switch", RT286_REC_I2S_SWITCH,
375 			RT286_MUTE_SFT, 1, 1),
376 	SOC_DAPM_SINGLE("Line1 Switch", RT286_REC_LINE_SWITCH,
377 			RT286_MUTE_SFT, 1, 1),
378 	SOC_DAPM_SINGLE("Beep Switch", RT286_REC_BEEP_SWITCH,
379 			RT286_MUTE_SFT, 1, 1),
380 };
381 
382 static const struct snd_kcontrol_new spo_enable_control =
383 	SOC_DAPM_SINGLE("Switch", RT286_SET_PIN_SPK,
384 			RT286_SET_PIN_SFT, 1, 0);
385 
386 static const struct snd_kcontrol_new hpol_enable_control =
387 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN,
388 			RT286_MUTE_SFT, 1, 1);
389 
390 static const struct snd_kcontrol_new hpor_enable_control =
391 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOR_GAIN,
392 			RT286_MUTE_SFT, 1, 1);
393 
394 /* ADC0 source */
395 static const char * const rt286_adc_src[] = {
396 	"Mic", "RECMIX", "Dmic"
397 };
398 
399 static const int rt286_adc_values[] = {
400 	0, 4, 5,
401 };
402 
403 static SOC_VALUE_ENUM_SINGLE_DECL(
404 	rt286_adc0_enum, RT286_ADC0_MUX, RT286_ADC_SEL_SFT,
405 	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
406 
407 static const struct snd_kcontrol_new rt286_adc0_mux =
408 	SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum);
409 
410 static SOC_VALUE_ENUM_SINGLE_DECL(
411 	rt286_adc1_enum, RT286_ADC1_MUX, RT286_ADC_SEL_SFT,
412 	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
413 
414 static const struct snd_kcontrol_new rt286_adc1_mux =
415 	SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum);
416 
417 static const char * const rt286_dac_src[] = {
418 	"Front", "Surround"
419 };
420 /* HP-OUT source */
421 static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX,
422 				0, rt286_dac_src);
423 
424 static const struct snd_kcontrol_new rt286_hpo_mux =
425 SOC_DAPM_ENUM("HPO source", rt286_hpo_enum);
426 
427 /* SPK-OUT source */
428 static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX,
429 				0, rt286_dac_src);
430 
431 static const struct snd_kcontrol_new rt286_spo_mux =
432 SOC_DAPM_ENUM("SPO source", rt286_spo_enum);
433 
434 static int rt286_spk_event(struct snd_soc_dapm_widget *w,
435 			    struct snd_kcontrol *kcontrol, int event)
436 {
437 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
438 
439 	switch (event) {
440 	case SND_SOC_DAPM_POST_PMU:
441 		snd_soc_write(codec,
442 			RT286_SPK_EAPD, RT286_SET_EAPD_HIGH);
443 		break;
444 	case SND_SOC_DAPM_PRE_PMD:
445 		snd_soc_write(codec,
446 			RT286_SPK_EAPD, RT286_SET_EAPD_LOW);
447 		break;
448 
449 	default:
450 		return 0;
451 	}
452 
453 	return 0;
454 }
455 
456 static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w,
457 				  struct snd_kcontrol *kcontrol, int event)
458 {
459 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
460 
461 	switch (event) {
462 	case SND_SOC_DAPM_POST_PMU:
463 		snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0x20);
464 		break;
465 	case SND_SOC_DAPM_PRE_PMD:
466 		snd_soc_write(codec, RT286_SET_PIN_DMIC1, 0);
467 		break;
468 	default:
469 		return 0;
470 	}
471 
472 	return 0;
473 }
474 
475 static int rt286_ldo2_event(struct snd_soc_dapm_widget *w,
476 			     struct snd_kcontrol *kcontrol, int event)
477 {
478 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
479 
480 	switch (event) {
481 	case SND_SOC_DAPM_POST_PMU:
482 		snd_soc_update_bits(codec, RT286_POWER_CTRL2, 0x38, 0x08);
483 		break;
484 	case SND_SOC_DAPM_PRE_PMD:
485 		snd_soc_update_bits(codec, RT286_POWER_CTRL2, 0x38, 0x30);
486 		break;
487 	default:
488 		return 0;
489 	}
490 
491 	return 0;
492 }
493 
494 static int rt286_mic1_event(struct snd_soc_dapm_widget *w,
495 			     struct snd_kcontrol *kcontrol, int event)
496 {
497 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
498 
499 	switch (event) {
500 	case SND_SOC_DAPM_PRE_PMU:
501 		snd_soc_update_bits(codec,
502 			RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
503 		snd_soc_update_bits(codec,
504 			RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
505 		break;
506 	case SND_SOC_DAPM_POST_PMD:
507 		snd_soc_update_bits(codec,
508 			RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
509 		snd_soc_update_bits(codec,
510 			RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
511 		break;
512 	default:
513 		return 0;
514 	}
515 
516 	return 0;
517 }
518 
519 static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
520 	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT286_POWER_CTRL1,
521 		12, 1, NULL, 0),
522 	SND_SOC_DAPM_SUPPLY("VREF", RT286_POWER_CTRL1,
523 		0, 1, NULL, 0),
524 	SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT286_POWER_CTRL2,
525 		2, 0, NULL, 0),
526 	SND_SOC_DAPM_SUPPLY_S("LDO2", 2, RT286_POWER_CTRL1,
527 		13, 1, rt286_ldo2_event, SND_SOC_DAPM_PRE_PMD |
528 		SND_SOC_DAPM_POST_PMU),
529 	SND_SOC_DAPM_SUPPLY("MCLK MODE", RT286_PLL_CTRL1,
530 		5, 0, NULL, 0),
531 	SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
532 		0, 0, rt286_mic1_event, SND_SOC_DAPM_PRE_PMU |
533 		SND_SOC_DAPM_POST_PMD),
534 
535 	/* Input Lines */
536 	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
537 	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
538 	SND_SOC_DAPM_INPUT("MIC1"),
539 	SND_SOC_DAPM_INPUT("LINE1"),
540 	SND_SOC_DAPM_INPUT("Beep"),
541 
542 	/* DMIC */
543 	SND_SOC_DAPM_PGA_E("DMIC1", RT286_SET_POWER(RT286_DMIC1), 0, 1,
544 		NULL, 0, rt286_set_dmic1_event,
545 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
546 	SND_SOC_DAPM_PGA("DMIC2", RT286_SET_POWER(RT286_DMIC2), 0, 1,
547 		NULL, 0),
548 	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
549 		0, 0, NULL, 0),
550 
551 	/* REC Mixer */
552 	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
553 		rt286_rec_mix, ARRAY_SIZE(rt286_rec_mix)),
554 
555 	/* ADCs */
556 	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
557 	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
558 
559 	/* ADC Mux */
560 	SND_SOC_DAPM_MUX("ADC 0 Mux", RT286_SET_POWER(RT286_ADC_IN1), 0, 1,
561 		&rt286_adc0_mux),
562 	SND_SOC_DAPM_MUX("ADC 1 Mux", RT286_SET_POWER(RT286_ADC_IN2), 0, 1,
563 		&rt286_adc1_mux),
564 
565 	/* Audio Interface */
566 	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
567 	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
568 	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
569 	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
570 
571 	/* Output Side */
572 	/* DACs */
573 	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
574 	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
575 
576 	/* Output Mux */
577 	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt286_spo_mux),
578 	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt286_hpo_mux),
579 
580 	SND_SOC_DAPM_SUPPLY("HP Power", RT286_SET_PIN_HPO,
581 		RT286_SET_PIN_SFT, 0, NULL, 0),
582 
583 	/* Output Mixer */
584 	SND_SOC_DAPM_MIXER("Front", RT286_SET_POWER(RT286_DAC_OUT1), 0, 1,
585 			rt286_front_mix, ARRAY_SIZE(rt286_front_mix)),
586 	SND_SOC_DAPM_PGA("Surround", RT286_SET_POWER(RT286_DAC_OUT2), 0, 1,
587 			NULL, 0),
588 
589 	/* Output Pga */
590 	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
591 		&spo_enable_control, rt286_spk_event,
592 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
593 	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
594 		&hpol_enable_control),
595 	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
596 		&hpor_enable_control),
597 
598 	/* Output Lines */
599 	SND_SOC_DAPM_OUTPUT("SPOL"),
600 	SND_SOC_DAPM_OUTPUT("SPOR"),
601 	SND_SOC_DAPM_OUTPUT("HPO Pin"),
602 	SND_SOC_DAPM_OUTPUT("SPDIF"),
603 };
604 
605 static const struct snd_soc_dapm_route rt286_dapm_routes[] = {
606 	{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
607 	{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
608 	{"Front", NULL, "MCLK MODE", is_mclk_mode},
609 	{"Surround", NULL, "MCLK MODE", is_mclk_mode},
610 
611 	{"HP Power", NULL, "LDO1"},
612 	{"HP Power", NULL, "LDO2"},
613 
614 	{"MIC1", NULL, "LDO1"},
615 	{"MIC1", NULL, "LDO2"},
616 	{"MIC1", NULL, "HV"},
617 	{"MIC1", NULL, "VREF"},
618 	{"MIC1", NULL, "MIC1 Input Buffer"},
619 
620 	{"SPO", NULL, "LDO1"},
621 	{"SPO", NULL, "LDO2"},
622 	{"SPO", NULL, "HV"},
623 	{"SPO", NULL, "VREF"},
624 
625 	{"DMIC1", NULL, "DMIC1 Pin"},
626 	{"DMIC2", NULL, "DMIC2 Pin"},
627 	{"DMIC1", NULL, "DMIC Receiver"},
628 	{"DMIC2", NULL, "DMIC Receiver"},
629 
630 	{"RECMIX", "Beep Switch", "Beep"},
631 	{"RECMIX", "Line1 Switch", "LINE1"},
632 	{"RECMIX", "Mic1 Switch", "MIC1"},
633 
634 	{"ADC 0 Mux", "Dmic", "DMIC1"},
635 	{"ADC 0 Mux", "RECMIX", "RECMIX"},
636 	{"ADC 0 Mux", "Mic", "MIC1"},
637 	{"ADC 1 Mux", "Dmic", "DMIC2"},
638 	{"ADC 1 Mux", "RECMIX", "RECMIX"},
639 	{"ADC 1 Mux", "Mic", "MIC1"},
640 
641 	{"ADC 0", NULL, "ADC 0 Mux"},
642 	{"ADC 1", NULL, "ADC 1 Mux"},
643 
644 	{"AIF1TX", NULL, "ADC 0"},
645 	{"AIF2TX", NULL, "ADC 1"},
646 
647 	{"DAC 0", NULL, "AIF1RX"},
648 	{"DAC 1", NULL, "AIF2RX"},
649 
650 	{"Front", "DAC Switch", "DAC 0"},
651 	{"Front", "RECMIX Switch", "RECMIX"},
652 
653 	{"Surround", NULL, "DAC 1"},
654 
655 	{"SPK Mux", "Front", "Front"},
656 	{"SPK Mux", "Surround", "Surround"},
657 
658 	{"HPO Mux", "Front", "Front"},
659 	{"HPO Mux", "Surround", "Surround"},
660 
661 	{"SPO", "Switch", "SPK Mux"},
662 	{"HPO L", "Switch", "HPO Mux"},
663 	{"HPO R", "Switch", "HPO Mux"},
664 	{"HPO L", NULL, "HP Power"},
665 	{"HPO R", NULL, "HP Power"},
666 
667 	{"SPOL", NULL, "SPO"},
668 	{"SPOR", NULL, "SPO"},
669 	{"HPO Pin", NULL, "HPO L"},
670 	{"HPO Pin", NULL, "HPO R"},
671 };
672 
673 static int rt286_hw_params(struct snd_pcm_substream *substream,
674 			    struct snd_pcm_hw_params *params,
675 			    struct snd_soc_dai *dai)
676 {
677 	struct snd_soc_codec *codec = dai->codec;
678 	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
679 	unsigned int val = 0;
680 	int d_len_code;
681 
682 	switch (params_rate(params)) {
683 	/* bit 14 0:48K 1:44.1K */
684 	case 44100:
685 		val |= 0x4000;
686 		break;
687 	case 48000:
688 		break;
689 	default:
690 		dev_err(codec->dev, "Unsupported sample rate %d\n",
691 					params_rate(params));
692 		return -EINVAL;
693 	}
694 	switch (rt286->sys_clk) {
695 	case 12288000:
696 	case 24576000:
697 		if (params_rate(params) != 48000) {
698 			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
699 					params_rate(params), rt286->sys_clk);
700 			return -EINVAL;
701 		}
702 		break;
703 	case 11289600:
704 	case 22579200:
705 		if (params_rate(params) != 44100) {
706 			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
707 					params_rate(params), rt286->sys_clk);
708 			return -EINVAL;
709 		}
710 		break;
711 	}
712 
713 	if (params_channels(params) <= 16) {
714 		/* bit 3:0 Number of Channel */
715 		val |= (params_channels(params) - 1);
716 	} else {
717 		dev_err(codec->dev, "Unsupported channels %d\n",
718 					params_channels(params));
719 		return -EINVAL;
720 	}
721 
722 	d_len_code = 0;
723 	switch (params_width(params)) {
724 	/* bit 6:4 Bits per Sample */
725 	case 16:
726 		d_len_code = 0;
727 		val |= (0x1 << 4);
728 		break;
729 	case 32:
730 		d_len_code = 2;
731 		val |= (0x4 << 4);
732 		break;
733 	case 20:
734 		d_len_code = 1;
735 		val |= (0x2 << 4);
736 		break;
737 	case 24:
738 		d_len_code = 2;
739 		val |= (0x3 << 4);
740 		break;
741 	case 8:
742 		d_len_code = 3;
743 		break;
744 	default:
745 		return -EINVAL;
746 	}
747 
748 	snd_soc_update_bits(codec,
749 		RT286_I2S_CTRL1, 0x0018, d_len_code << 3);
750 	dev_dbg(codec->dev, "format val = 0x%x\n", val);
751 
752 	snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x407f, val);
753 	snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x407f, val);
754 
755 	return 0;
756 }
757 
758 static int rt286_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
759 {
760 	struct snd_soc_codec *codec = dai->codec;
761 
762 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
763 	case SND_SOC_DAIFMT_CBM_CFM:
764 		snd_soc_update_bits(codec,
765 			RT286_I2S_CTRL1, 0x800, 0x800);
766 		break;
767 	case SND_SOC_DAIFMT_CBS_CFS:
768 		snd_soc_update_bits(codec,
769 			RT286_I2S_CTRL1, 0x800, 0x0);
770 		break;
771 	default:
772 		return -EINVAL;
773 	}
774 
775 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
776 	case SND_SOC_DAIFMT_I2S:
777 		snd_soc_update_bits(codec,
778 			RT286_I2S_CTRL1, 0x300, 0x0);
779 		break;
780 	case SND_SOC_DAIFMT_LEFT_J:
781 		snd_soc_update_bits(codec,
782 			RT286_I2S_CTRL1, 0x300, 0x1 << 8);
783 		break;
784 	case SND_SOC_DAIFMT_DSP_A:
785 		snd_soc_update_bits(codec,
786 			RT286_I2S_CTRL1, 0x300, 0x2 << 8);
787 		break;
788 	case SND_SOC_DAIFMT_DSP_B:
789 		snd_soc_update_bits(codec,
790 			RT286_I2S_CTRL1, 0x300, 0x3 << 8);
791 		break;
792 	default:
793 		return -EINVAL;
794 	}
795 	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
796 	snd_soc_update_bits(codec, RT286_DAC_FORMAT, 0x8000, 0);
797 	snd_soc_update_bits(codec, RT286_ADC_FORMAT, 0x8000, 0);
798 
799 	return 0;
800 }
801 
802 static int rt286_set_dai_sysclk(struct snd_soc_dai *dai,
803 				int clk_id, unsigned int freq, int dir)
804 {
805 	struct snd_soc_codec *codec = dai->codec;
806 	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
807 
808 	dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
809 
810 	if (RT286_SCLK_S_MCLK == clk_id) {
811 		snd_soc_update_bits(codec,
812 			RT286_I2S_CTRL2, 0x0100, 0x0);
813 		snd_soc_update_bits(codec,
814 			RT286_PLL_CTRL1, 0x20, 0x20);
815 	} else {
816 		snd_soc_update_bits(codec,
817 			RT286_I2S_CTRL2, 0x0100, 0x0100);
818 		snd_soc_update_bits(codec,
819 			RT286_PLL_CTRL, 0x4, 0x4);
820 		snd_soc_update_bits(codec,
821 			RT286_PLL_CTRL1, 0x20, 0x0);
822 	}
823 
824 	switch (freq) {
825 	case 19200000:
826 		if (RT286_SCLK_S_MCLK == clk_id) {
827 			dev_err(codec->dev, "Should not use MCLK\n");
828 			return -EINVAL;
829 		}
830 		snd_soc_update_bits(codec,
831 			RT286_I2S_CTRL2, 0x40, 0x40);
832 		break;
833 	case 24000000:
834 		if (RT286_SCLK_S_MCLK == clk_id) {
835 			dev_err(codec->dev, "Should not use MCLK\n");
836 			return -EINVAL;
837 		}
838 		snd_soc_update_bits(codec,
839 			RT286_I2S_CTRL2, 0x40, 0x0);
840 		break;
841 	case 12288000:
842 	case 11289600:
843 		snd_soc_update_bits(codec,
844 			RT286_I2S_CTRL2, 0x8, 0x0);
845 		snd_soc_update_bits(codec,
846 			RT286_CLK_DIV, 0xfc1e, 0x0004);
847 		break;
848 	case 24576000:
849 	case 22579200:
850 		snd_soc_update_bits(codec,
851 			RT286_I2S_CTRL2, 0x8, 0x8);
852 		snd_soc_update_bits(codec,
853 			RT286_CLK_DIV, 0xfc1e, 0x5406);
854 		break;
855 	default:
856 		dev_err(codec->dev, "Unsupported system clock\n");
857 		return -EINVAL;
858 	}
859 
860 	rt286->sys_clk = freq;
861 	rt286->clk_id = clk_id;
862 
863 	return 0;
864 }
865 
866 static int rt286_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
867 {
868 	struct snd_soc_codec *codec = dai->codec;
869 
870 	dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
871 	if (50 == ratio)
872 		snd_soc_update_bits(codec,
873 			RT286_I2S_CTRL1, 0x1000, 0x1000);
874 	else
875 		snd_soc_update_bits(codec,
876 			RT286_I2S_CTRL1, 0x1000, 0x0);
877 
878 
879 	return 0;
880 }
881 
882 static int rt286_set_bias_level(struct snd_soc_codec *codec,
883 				 enum snd_soc_bias_level level)
884 {
885 	switch (level) {
886 	case SND_SOC_BIAS_PREPARE:
887 		if (SND_SOC_BIAS_STANDBY == snd_soc_codec_get_bias_level(codec)) {
888 			snd_soc_write(codec,
889 				RT286_SET_AUDIO_POWER, AC_PWRST_D0);
890 			snd_soc_update_bits(codec,
891 				RT286_DC_GAIN, 0x200, 0x200);
892 		}
893 		break;
894 
895 	case SND_SOC_BIAS_ON:
896 		mdelay(10);
897 		snd_soc_update_bits(codec,
898 			RT286_DC_GAIN, 0x200, 0x0);
899 
900 		break;
901 
902 	case SND_SOC_BIAS_STANDBY:
903 		snd_soc_write(codec,
904 			RT286_SET_AUDIO_POWER, AC_PWRST_D3);
905 		break;
906 
907 	default:
908 		break;
909 	}
910 
911 	return 0;
912 }
913 
914 static irqreturn_t rt286_irq(int irq, void *data)
915 {
916 	struct rt286_priv *rt286 = data;
917 	bool hp = false;
918 	bool mic = false;
919 	int status = 0;
920 
921 	rt286_jack_detect(rt286, &hp, &mic);
922 
923 	/* Clear IRQ */
924 	regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x1, 0x1);
925 
926 	if (hp == true)
927 		status |= SND_JACK_HEADPHONE;
928 
929 	if (mic == true)
930 		status |= SND_JACK_MICROPHONE;
931 
932 	snd_soc_jack_report(rt286->jack, status,
933 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
934 
935 	pm_wakeup_event(&rt286->i2c->dev, 300);
936 
937 	return IRQ_HANDLED;
938 }
939 
940 static int rt286_probe(struct snd_soc_codec *codec)
941 {
942 	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
943 
944 	rt286->codec = codec;
945 
946 	if (rt286->i2c->irq) {
947 		regmap_update_bits(rt286->regmap,
948 					RT286_IRQ_CTRL, 0x2, 0x2);
949 
950 		INIT_DELAYED_WORK(&rt286->jack_detect_work,
951 					rt286_jack_detect_work);
952 		schedule_delayed_work(&rt286->jack_detect_work,
953 					msecs_to_jiffies(1250));
954 	}
955 
956 	return 0;
957 }
958 
959 static int rt286_remove(struct snd_soc_codec *codec)
960 {
961 	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
962 
963 	cancel_delayed_work_sync(&rt286->jack_detect_work);
964 
965 	return 0;
966 }
967 
968 #ifdef CONFIG_PM
969 static int rt286_suspend(struct snd_soc_codec *codec)
970 {
971 	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
972 
973 	regcache_cache_only(rt286->regmap, true);
974 	regcache_mark_dirty(rt286->regmap);
975 
976 	return 0;
977 }
978 
979 static int rt286_resume(struct snd_soc_codec *codec)
980 {
981 	struct rt286_priv *rt286 = snd_soc_codec_get_drvdata(codec);
982 
983 	regcache_cache_only(rt286->regmap, false);
984 	rt286_index_sync(codec);
985 	regcache_sync(rt286->regmap);
986 
987 	return 0;
988 }
989 #else
990 #define rt286_suspend NULL
991 #define rt286_resume NULL
992 #endif
993 
994 #define RT286_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
995 #define RT286_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
996 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
997 
998 static const struct snd_soc_dai_ops rt286_aif_dai_ops = {
999 	.hw_params = rt286_hw_params,
1000 	.set_fmt = rt286_set_dai_fmt,
1001 	.set_sysclk = rt286_set_dai_sysclk,
1002 	.set_bclk_ratio = rt286_set_bclk_ratio,
1003 };
1004 
1005 static struct snd_soc_dai_driver rt286_dai[] = {
1006 	{
1007 		.name = "rt286-aif1",
1008 		.id = RT286_AIF1,
1009 		.playback = {
1010 			.stream_name = "AIF1 Playback",
1011 			.channels_min = 1,
1012 			.channels_max = 2,
1013 			.rates = RT286_STEREO_RATES,
1014 			.formats = RT286_FORMATS,
1015 		},
1016 		.capture = {
1017 			.stream_name = "AIF1 Capture",
1018 			.channels_min = 1,
1019 			.channels_max = 2,
1020 			.rates = RT286_STEREO_RATES,
1021 			.formats = RT286_FORMATS,
1022 		},
1023 		.ops = &rt286_aif_dai_ops,
1024 		.symmetric_rates = 1,
1025 	},
1026 	{
1027 		.name = "rt286-aif2",
1028 		.id = RT286_AIF2,
1029 		.playback = {
1030 			.stream_name = "AIF2 Playback",
1031 			.channels_min = 1,
1032 			.channels_max = 2,
1033 			.rates = RT286_STEREO_RATES,
1034 			.formats = RT286_FORMATS,
1035 		},
1036 		.capture = {
1037 			.stream_name = "AIF2 Capture",
1038 			.channels_min = 1,
1039 			.channels_max = 2,
1040 			.rates = RT286_STEREO_RATES,
1041 			.formats = RT286_FORMATS,
1042 		},
1043 		.ops = &rt286_aif_dai_ops,
1044 		.symmetric_rates = 1,
1045 	},
1046 
1047 };
1048 
1049 static struct snd_soc_codec_driver soc_codec_dev_rt286 = {
1050 	.probe = rt286_probe,
1051 	.remove = rt286_remove,
1052 	.suspend = rt286_suspend,
1053 	.resume = rt286_resume,
1054 	.set_bias_level = rt286_set_bias_level,
1055 	.idle_bias_off = true,
1056 	.component_driver = {
1057 		.controls		= rt286_snd_controls,
1058 		.num_controls		= ARRAY_SIZE(rt286_snd_controls),
1059 		.dapm_widgets		= rt286_dapm_widgets,
1060 		.num_dapm_widgets	= ARRAY_SIZE(rt286_dapm_widgets),
1061 		.dapm_routes		= rt286_dapm_routes,
1062 		.num_dapm_routes	= ARRAY_SIZE(rt286_dapm_routes),
1063 	},
1064 };
1065 
1066 static const struct regmap_config rt286_regmap = {
1067 	.reg_bits = 32,
1068 	.val_bits = 32,
1069 	.max_register = 0x02370100,
1070 	.volatile_reg = rt286_volatile_register,
1071 	.readable_reg = rt286_readable_register,
1072 	.reg_write = rl6347a_hw_write,
1073 	.reg_read = rl6347a_hw_read,
1074 	.cache_type = REGCACHE_RBTREE,
1075 	.reg_defaults = rt286_reg,
1076 	.num_reg_defaults = ARRAY_SIZE(rt286_reg),
1077 };
1078 
1079 static const struct i2c_device_id rt286_i2c_id[] = {
1080 	{"rt286", 0},
1081 	{"rt288", 0},
1082 	{}
1083 };
1084 MODULE_DEVICE_TABLE(i2c, rt286_i2c_id);
1085 
1086 static const struct acpi_device_id rt286_acpi_match[] = {
1087 	{ "INT343A", 0 },
1088 	{},
1089 };
1090 MODULE_DEVICE_TABLE(acpi, rt286_acpi_match);
1091 
1092 static 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 
1122 static const struct dmi_system_id dmi_dell_dino[] = {
1123 	{
1124 		.ident = "Dell Dino",
1125 		.matches = {
1126 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1127 			DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343")
1128 		}
1129 	},
1130 	{ }
1131 };
1132 
1133 static int rt286_i2c_probe(struct i2c_client *i2c,
1134 			   const struct i2c_device_id *id)
1135 {
1136 	struct rt286_platform_data *pdata = dev_get_platdata(&i2c->dev);
1137 	struct rt286_priv *rt286;
1138 	int i, ret, val;
1139 
1140 	rt286 = devm_kzalloc(&i2c->dev,	sizeof(*rt286),
1141 				GFP_KERNEL);
1142 	if (NULL == rt286)
1143 		return -ENOMEM;
1144 
1145 	rt286->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt286_regmap);
1146 	if (IS_ERR(rt286->regmap)) {
1147 		ret = PTR_ERR(rt286->regmap);
1148 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1149 			ret);
1150 		return ret;
1151 	}
1152 
1153 	ret = regmap_read(rt286->regmap,
1154 		RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val);
1155 	if (ret != 0) {
1156 		dev_err(&i2c->dev, "I2C error %d\n", ret);
1157 		return ret;
1158 	}
1159 	if (val != RT286_VENDOR_ID && val != RT288_VENDOR_ID) {
1160 		dev_err(&i2c->dev,
1161 			"Device with ID register %#x is not rt286\n", val);
1162 		return -ENODEV;
1163 	}
1164 
1165 	rt286->index_cache = devm_kmemdup(&i2c->dev, rt286_index_def,
1166 					  sizeof(rt286_index_def), GFP_KERNEL);
1167 	if (!rt286->index_cache)
1168 		return -ENOMEM;
1169 
1170 	rt286->index_cache_size = INDEX_CACHE_SIZE;
1171 	rt286->i2c = i2c;
1172 	i2c_set_clientdata(i2c, rt286);
1173 
1174 	/* restore codec default */
1175 	for (i = 0; i < INDEX_CACHE_SIZE; i++)
1176 		regmap_write(rt286->regmap, rt286->index_cache[i].reg,
1177 				rt286->index_cache[i].def);
1178 	for (i = 0; i < ARRAY_SIZE(rt286_reg); i++)
1179 		regmap_write(rt286->regmap, rt286_reg[i].reg,
1180 				rt286_reg[i].def);
1181 
1182 	if (pdata)
1183 		rt286->pdata = *pdata;
1184 
1185 	if (dmi_check_system(force_combo_jack_table) ||
1186 		dmi_check_system(dmi_dell_dino))
1187 		rt286->pdata.cbj_en = true;
1188 
1189 	regmap_write(rt286->regmap, RT286_SET_AUDIO_POWER, AC_PWRST_D3);
1190 
1191 	for (i = 0; i < RT286_POWER_REG_LEN; i++)
1192 		regmap_write(rt286->regmap,
1193 			RT286_SET_POWER(rt286_support_power_controls[i]),
1194 			AC_PWRST_D1);
1195 
1196 	if (!rt286->pdata.cbj_en) {
1197 		regmap_write(rt286->regmap, RT286_CBJ_CTRL2, 0x0000);
1198 		regmap_write(rt286->regmap, RT286_MIC1_DET_CTRL, 0x0816);
1199 		regmap_update_bits(rt286->regmap,
1200 					RT286_CBJ_CTRL1, 0xf000, 0xb000);
1201 	} else {
1202 		regmap_update_bits(rt286->regmap,
1203 					RT286_CBJ_CTRL1, 0xf000, 0x5000);
1204 	}
1205 
1206 	mdelay(10);
1207 
1208 	if (!rt286->pdata.gpio2_en)
1209 		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0x4000);
1210 	else
1211 		regmap_write(rt286->regmap, RT286_SET_DMIC2_DEFAULT, 0);
1212 
1213 	mdelay(10);
1214 
1215 	regmap_write(rt286->regmap, RT286_MISC_CTRL1, 0x0000);
1216 	/* Power down LDO, VREF */
1217 	regmap_update_bits(rt286->regmap, RT286_POWER_CTRL2, 0xc, 0x0);
1218 	regmap_update_bits(rt286->regmap, RT286_POWER_CTRL1, 0x1001, 0x1001);
1219 
1220 	/* Set depop parameter */
1221 	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL2, 0x403a, 0x401a);
1222 	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL3, 0xf777, 0x4737);
1223 	regmap_update_bits(rt286->regmap, RT286_DEPOP_CTRL4, 0x00ff, 0x003f);
1224 
1225 	if (dmi_check_system(dmi_dell_dino)) {
1226 		regmap_update_bits(rt286->regmap,
1227 			RT286_SET_GPIO_MASK, 0x40, 0x40);
1228 		regmap_update_bits(rt286->regmap,
1229 			RT286_SET_GPIO_DIRECTION, 0x40, 0x40);
1230 		regmap_update_bits(rt286->regmap,
1231 			RT286_SET_GPIO_DATA, 0x40, 0x40);
1232 		regmap_update_bits(rt286->regmap,
1233 			RT286_GPIO_CTRL, 0xc, 0x8);
1234 	}
1235 
1236 	if (rt286->i2c->irq) {
1237 		ret = request_threaded_irq(rt286->i2c->irq, NULL, rt286_irq,
1238 			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt286", rt286);
1239 		if (ret != 0) {
1240 			dev_err(&i2c->dev,
1241 				"Failed to reguest IRQ: %d\n", ret);
1242 			return ret;
1243 		}
1244 	}
1245 
1246 	ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt286,
1247 				     rt286_dai, ARRAY_SIZE(rt286_dai));
1248 
1249 	return ret;
1250 }
1251 
1252 static int 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 	snd_soc_unregister_codec(&i2c->dev);
1259 
1260 	return 0;
1261 }
1262 
1263 
1264 static struct i2c_driver rt286_i2c_driver = {
1265 	.driver = {
1266 		   .name = "rt286",
1267 		   .acpi_match_table = ACPI_PTR(rt286_acpi_match),
1268 		   },
1269 	.probe = rt286_i2c_probe,
1270 	.remove = rt286_i2c_remove,
1271 	.id_table = rt286_i2c_id,
1272 };
1273 
1274 module_i2c_driver(rt286_i2c_driver);
1275 
1276 MODULE_DESCRIPTION("ASoC RT286 driver");
1277 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1278 MODULE_LICENSE("GPL");
1279