xref: /openbmc/linux/sound/soc/codecs/rt286.c (revision b732539e)
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_component *component;
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_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 
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->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 			}
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 	if (!*mic) {
279 		snd_soc_dapm_disable_pin(dapm, "HV");
280 		snd_soc_dapm_disable_pin(dapm, "VREF");
281 	}
282 	if (!*hp)
283 		snd_soc_dapm_disable_pin(dapm, "LDO1");
284 	snd_soc_dapm_sync(dapm);
285 
286 	return 0;
287 }
288 
289 static void rt286_jack_detect_work(struct work_struct *work)
290 {
291 	struct rt286_priv *rt286 =
292 		container_of(work, struct rt286_priv, jack_detect_work.work);
293 	int status = 0;
294 	bool hp = false;
295 	bool mic = false;
296 
297 	rt286_jack_detect(rt286, &hp, &mic);
298 
299 	if (hp == true)
300 		status |= SND_JACK_HEADPHONE;
301 
302 	if (mic == true)
303 		status |= SND_JACK_MICROPHONE;
304 
305 	snd_soc_jack_report(rt286->jack, status,
306 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
307 }
308 
309 int rt286_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack)
310 {
311 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
312 	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
313 
314 	rt286->jack = jack;
315 
316 	if (jack) {
317 		/* enable IRQ */
318 		if (rt286->jack->status & SND_JACK_HEADPHONE)
319 			snd_soc_dapm_force_enable_pin(dapm, "LDO1");
320 		regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x2);
321 		/* Send an initial empty report */
322 		snd_soc_jack_report(rt286->jack, rt286->jack->status,
323 			SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
324 	} else {
325 		/* disable IRQ */
326 		regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x2, 0x0);
327 		snd_soc_dapm_disable_pin(dapm, "LDO1");
328 	}
329 	snd_soc_dapm_sync(dapm);
330 
331 	return 0;
332 }
333 EXPORT_SYMBOL_GPL(rt286_mic_detect);
334 
335 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
336 			 struct snd_soc_dapm_widget *sink)
337 {
338 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
339 	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
340 
341 	if (rt286->clk_id == RT286_SCLK_S_MCLK)
342 		return 1;
343 	else
344 		return 0;
345 }
346 
347 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
348 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
349 
350 static const struct snd_kcontrol_new rt286_snd_controls[] = {
351 	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT286_DACL_GAIN,
352 			    RT286_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
353 	SOC_DOUBLE_R("ADC0 Capture Switch", RT286_ADCL_GAIN,
354 			    RT286_ADCR_GAIN, 7, 1, 1),
355 	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT286_ADCL_GAIN,
356 			    RT286_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
357 	SOC_SINGLE_TLV("AMIC Volume", RT286_MIC_GAIN,
358 			    0, 0x3, 0, mic_vol_tlv),
359 	SOC_DOUBLE_R("Speaker Playback Switch", RT286_SPOL_GAIN,
360 			    RT286_SPOR_GAIN, RT286_MUTE_SFT, 1, 1),
361 };
362 
363 /* Digital Mixer */
364 static const struct snd_kcontrol_new rt286_front_mix[] = {
365 	SOC_DAPM_SINGLE("DAC Switch",  RT286_F_DAC_SWITCH,
366 			RT286_MUTE_SFT, 1, 1),
367 	SOC_DAPM_SINGLE("RECMIX Switch", RT286_F_RECMIX_SWITCH,
368 			RT286_MUTE_SFT, 1, 1),
369 };
370 
371 /* Analog Input Mixer */
372 static const struct snd_kcontrol_new rt286_rec_mix[] = {
373 	SOC_DAPM_SINGLE("Mic1 Switch", RT286_REC_MIC_SWITCH,
374 			RT286_MUTE_SFT, 1, 1),
375 	SOC_DAPM_SINGLE("I2S Switch", RT286_REC_I2S_SWITCH,
376 			RT286_MUTE_SFT, 1, 1),
377 	SOC_DAPM_SINGLE("Line1 Switch", RT286_REC_LINE_SWITCH,
378 			RT286_MUTE_SFT, 1, 1),
379 	SOC_DAPM_SINGLE("Beep Switch", RT286_REC_BEEP_SWITCH,
380 			RT286_MUTE_SFT, 1, 1),
381 };
382 
383 static const struct snd_kcontrol_new spo_enable_control =
384 	SOC_DAPM_SINGLE("Switch", RT286_SET_PIN_SPK,
385 			RT286_SET_PIN_SFT, 1, 0);
386 
387 static const struct snd_kcontrol_new hpol_enable_control =
388 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN,
389 			RT286_MUTE_SFT, 1, 1);
390 
391 static const struct snd_kcontrol_new hpor_enable_control =
392 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOR_GAIN,
393 			RT286_MUTE_SFT, 1, 1);
394 
395 /* ADC0 source */
396 static const char * const rt286_adc_src[] = {
397 	"Mic", "RECMIX", "Dmic"
398 };
399 
400 static const int rt286_adc_values[] = {
401 	0, 4, 5,
402 };
403 
404 static SOC_VALUE_ENUM_SINGLE_DECL(
405 	rt286_adc0_enum, RT286_ADC0_MUX, RT286_ADC_SEL_SFT,
406 	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
407 
408 static const struct snd_kcontrol_new rt286_adc0_mux =
409 	SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum);
410 
411 static SOC_VALUE_ENUM_SINGLE_DECL(
412 	rt286_adc1_enum, RT286_ADC1_MUX, RT286_ADC_SEL_SFT,
413 	RT286_ADC_SEL_MASK, rt286_adc_src, rt286_adc_values);
414 
415 static const struct snd_kcontrol_new rt286_adc1_mux =
416 	SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum);
417 
418 static const char * const rt286_dac_src[] = {
419 	"Front", "Surround"
420 };
421 /* HP-OUT source */
422 static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX,
423 				0, rt286_dac_src);
424 
425 static const struct snd_kcontrol_new rt286_hpo_mux =
426 SOC_DAPM_ENUM("HPO source", rt286_hpo_enum);
427 
428 /* SPK-OUT source */
429 static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX,
430 				0, rt286_dac_src);
431 
432 static const struct snd_kcontrol_new rt286_spo_mux =
433 SOC_DAPM_ENUM("SPO source", rt286_spo_enum);
434 
435 static int rt286_spk_event(struct snd_soc_dapm_widget *w,
436 			    struct snd_kcontrol *kcontrol, int event)
437 {
438 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
439 
440 	switch (event) {
441 	case SND_SOC_DAPM_POST_PMU:
442 		snd_soc_component_write(component,
443 			RT286_SPK_EAPD, RT286_SET_EAPD_HIGH);
444 		break;
445 	case SND_SOC_DAPM_PRE_PMD:
446 		snd_soc_component_write(component,
447 			RT286_SPK_EAPD, RT286_SET_EAPD_LOW);
448 		break;
449 
450 	default:
451 		return 0;
452 	}
453 
454 	return 0;
455 }
456 
457 static int rt286_set_dmic1_event(struct snd_soc_dapm_widget *w,
458 				  struct snd_kcontrol *kcontrol, int event)
459 {
460 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
461 
462 	switch (event) {
463 	case SND_SOC_DAPM_POST_PMU:
464 		snd_soc_component_write(component, RT286_SET_PIN_DMIC1, 0x20);
465 		break;
466 	case SND_SOC_DAPM_PRE_PMD:
467 		snd_soc_component_write(component, RT286_SET_PIN_DMIC1, 0);
468 		break;
469 	default:
470 		return 0;
471 	}
472 
473 	return 0;
474 }
475 
476 static int rt286_ldo2_event(struct snd_soc_dapm_widget *w,
477 			     struct snd_kcontrol *kcontrol, int event)
478 {
479 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
480 
481 	switch (event) {
482 	case SND_SOC_DAPM_POST_PMU:
483 		snd_soc_component_update_bits(component, RT286_POWER_CTRL2, 0x38, 0x08);
484 		break;
485 	case SND_SOC_DAPM_PRE_PMD:
486 		snd_soc_component_update_bits(component, RT286_POWER_CTRL2, 0x38, 0x30);
487 		break;
488 	default:
489 		return 0;
490 	}
491 
492 	return 0;
493 }
494 
495 static int rt286_mic1_event(struct snd_soc_dapm_widget *w,
496 			     struct snd_kcontrol *kcontrol, int event)
497 {
498 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
499 
500 	switch (event) {
501 	case SND_SOC_DAPM_PRE_PMU:
502 		snd_soc_component_update_bits(component,
503 			RT286_A_BIAS_CTRL3, 0xc000, 0x8000);
504 		snd_soc_component_update_bits(component,
505 			RT286_A_BIAS_CTRL2, 0xc000, 0x8000);
506 		break;
507 	case SND_SOC_DAPM_POST_PMD:
508 		snd_soc_component_update_bits(component,
509 			RT286_A_BIAS_CTRL3, 0xc000, 0x0000);
510 		snd_soc_component_update_bits(component,
511 			RT286_A_BIAS_CTRL2, 0xc000, 0x0000);
512 		break;
513 	default:
514 		return 0;
515 	}
516 
517 	return 0;
518 }
519 
520 static const struct snd_soc_dapm_widget rt286_dapm_widgets[] = {
521 	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT286_POWER_CTRL1,
522 		12, 1, NULL, 0),
523 	SND_SOC_DAPM_SUPPLY("VREF", RT286_POWER_CTRL1,
524 		0, 1, NULL, 0),
525 	SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT286_POWER_CTRL2,
526 		2, 0, NULL, 0),
527 	SND_SOC_DAPM_SUPPLY_S("LDO2", 2, RT286_POWER_CTRL1,
528 		13, 1, rt286_ldo2_event, SND_SOC_DAPM_PRE_PMD |
529 		SND_SOC_DAPM_POST_PMU),
530 	SND_SOC_DAPM_SUPPLY("MCLK MODE", RT286_PLL_CTRL1,
531 		5, 0, NULL, 0),
532 	SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
533 		0, 0, rt286_mic1_event, SND_SOC_DAPM_PRE_PMU |
534 		SND_SOC_DAPM_POST_PMD),
535 
536 	/* Input Lines */
537 	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
538 	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
539 	SND_SOC_DAPM_INPUT("MIC1"),
540 	SND_SOC_DAPM_INPUT("LINE1"),
541 	SND_SOC_DAPM_INPUT("Beep"),
542 
543 	/* DMIC */
544 	SND_SOC_DAPM_PGA_E("DMIC1", RT286_SET_POWER(RT286_DMIC1), 0, 1,
545 		NULL, 0, rt286_set_dmic1_event,
546 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
547 	SND_SOC_DAPM_PGA("DMIC2", RT286_SET_POWER(RT286_DMIC2), 0, 1,
548 		NULL, 0),
549 	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
550 		0, 0, NULL, 0),
551 
552 	/* REC Mixer */
553 	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
554 		rt286_rec_mix, ARRAY_SIZE(rt286_rec_mix)),
555 
556 	/* ADCs */
557 	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
558 	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
559 
560 	/* ADC Mux */
561 	SND_SOC_DAPM_MUX("ADC 0 Mux", RT286_SET_POWER(RT286_ADC_IN1), 0, 1,
562 		&rt286_adc0_mux),
563 	SND_SOC_DAPM_MUX("ADC 1 Mux", RT286_SET_POWER(RT286_ADC_IN2), 0, 1,
564 		&rt286_adc1_mux),
565 
566 	/* Audio Interface */
567 	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
568 	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
569 	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
570 	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
571 
572 	/* Output Side */
573 	/* DACs */
574 	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
575 	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
576 
577 	/* Output Mux */
578 	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt286_spo_mux),
579 	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt286_hpo_mux),
580 
581 	SND_SOC_DAPM_SUPPLY("HP Power", RT286_SET_PIN_HPO,
582 		RT286_SET_PIN_SFT, 0, NULL, 0),
583 
584 	/* Output Mixer */
585 	SND_SOC_DAPM_MIXER("Front", RT286_SET_POWER(RT286_DAC_OUT1), 0, 1,
586 			rt286_front_mix, ARRAY_SIZE(rt286_front_mix)),
587 	SND_SOC_DAPM_PGA("Surround", RT286_SET_POWER(RT286_DAC_OUT2), 0, 1,
588 			NULL, 0),
589 
590 	/* Output Pga */
591 	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
592 		&spo_enable_control, rt286_spk_event,
593 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
594 	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
595 		&hpol_enable_control),
596 	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
597 		&hpor_enable_control),
598 
599 	/* Output Lines */
600 	SND_SOC_DAPM_OUTPUT("SPOL"),
601 	SND_SOC_DAPM_OUTPUT("SPOR"),
602 	SND_SOC_DAPM_OUTPUT("HPO Pin"),
603 	SND_SOC_DAPM_OUTPUT("SPDIF"),
604 };
605 
606 static const struct snd_soc_dapm_route rt286_dapm_routes[] = {
607 	{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
608 	{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
609 	{"Front", NULL, "MCLK MODE", is_mclk_mode},
610 	{"Surround", NULL, "MCLK MODE", is_mclk_mode},
611 
612 	{"HP Power", NULL, "LDO1"},
613 	{"HP Power", NULL, "LDO2"},
614 
615 	{"MIC1", NULL, "LDO1"},
616 	{"MIC1", NULL, "LDO2"},
617 	{"MIC1", NULL, "HV"},
618 	{"MIC1", NULL, "VREF"},
619 	{"MIC1", NULL, "MIC1 Input Buffer"},
620 
621 	{"SPO", NULL, "LDO1"},
622 	{"SPO", NULL, "LDO2"},
623 	{"SPO", NULL, "HV"},
624 	{"SPO", NULL, "VREF"},
625 
626 	{"DMIC1", NULL, "DMIC1 Pin"},
627 	{"DMIC2", NULL, "DMIC2 Pin"},
628 	{"DMIC1", NULL, "DMIC Receiver"},
629 	{"DMIC2", NULL, "DMIC Receiver"},
630 
631 	{"RECMIX", "Beep Switch", "Beep"},
632 	{"RECMIX", "Line1 Switch", "LINE1"},
633 	{"RECMIX", "Mic1 Switch", "MIC1"},
634 
635 	{"ADC 0 Mux", "Dmic", "DMIC1"},
636 	{"ADC 0 Mux", "RECMIX", "RECMIX"},
637 	{"ADC 0 Mux", "Mic", "MIC1"},
638 	{"ADC 1 Mux", "Dmic", "DMIC2"},
639 	{"ADC 1 Mux", "RECMIX", "RECMIX"},
640 	{"ADC 1 Mux", "Mic", "MIC1"},
641 
642 	{"ADC 0", NULL, "ADC 0 Mux"},
643 	{"ADC 1", NULL, "ADC 1 Mux"},
644 
645 	{"AIF1TX", NULL, "ADC 0"},
646 	{"AIF2TX", NULL, "ADC 1"},
647 
648 	{"DAC 0", NULL, "AIF1RX"},
649 	{"DAC 1", NULL, "AIF2RX"},
650 
651 	{"Front", "DAC Switch", "DAC 0"},
652 	{"Front", "RECMIX Switch", "RECMIX"},
653 
654 	{"Surround", NULL, "DAC 1"},
655 
656 	{"SPK Mux", "Front", "Front"},
657 	{"SPK Mux", "Surround", "Surround"},
658 
659 	{"HPO Mux", "Front", "Front"},
660 	{"HPO Mux", "Surround", "Surround"},
661 
662 	{"SPO", "Switch", "SPK Mux"},
663 	{"HPO L", "Switch", "HPO Mux"},
664 	{"HPO R", "Switch", "HPO Mux"},
665 	{"HPO L", NULL, "HP Power"},
666 	{"HPO R", NULL, "HP Power"},
667 
668 	{"SPOL", NULL, "SPO"},
669 	{"SPOR", NULL, "SPO"},
670 	{"HPO Pin", NULL, "HPO L"},
671 	{"HPO Pin", NULL, "HPO R"},
672 };
673 
674 static int rt286_hw_params(struct snd_pcm_substream *substream,
675 			    struct snd_pcm_hw_params *params,
676 			    struct snd_soc_dai *dai)
677 {
678 	struct snd_soc_component *component = dai->component;
679 	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
680 	unsigned int val = 0;
681 	int d_len_code;
682 
683 	switch (params_rate(params)) {
684 	/* bit 14 0:48K 1:44.1K */
685 	case 44100:
686 		val |= 0x4000;
687 		break;
688 	case 48000:
689 		break;
690 	default:
691 		dev_err(component->dev, "Unsupported sample rate %d\n",
692 					params_rate(params));
693 		return -EINVAL;
694 	}
695 	switch (rt286->sys_clk) {
696 	case 12288000:
697 	case 24576000:
698 		if (params_rate(params) != 48000) {
699 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
700 					params_rate(params), rt286->sys_clk);
701 			return -EINVAL;
702 		}
703 		break;
704 	case 11289600:
705 	case 22579200:
706 		if (params_rate(params) != 44100) {
707 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
708 					params_rate(params), rt286->sys_clk);
709 			return -EINVAL;
710 		}
711 		break;
712 	}
713 
714 	if (params_channels(params) <= 16) {
715 		/* bit 3:0 Number of Channel */
716 		val |= (params_channels(params) - 1);
717 	} else {
718 		dev_err(component->dev, "Unsupported channels %d\n",
719 					params_channels(params));
720 		return -EINVAL;
721 	}
722 
723 	d_len_code = 0;
724 	switch (params_width(params)) {
725 	/* bit 6:4 Bits per Sample */
726 	case 16:
727 		d_len_code = 0;
728 		val |= (0x1 << 4);
729 		break;
730 	case 32:
731 		d_len_code = 2;
732 		val |= (0x4 << 4);
733 		break;
734 	case 20:
735 		d_len_code = 1;
736 		val |= (0x2 << 4);
737 		break;
738 	case 24:
739 		d_len_code = 2;
740 		val |= (0x3 << 4);
741 		break;
742 	case 8:
743 		d_len_code = 3;
744 		break;
745 	default:
746 		return -EINVAL;
747 	}
748 
749 	snd_soc_component_update_bits(component,
750 		RT286_I2S_CTRL1, 0x0018, d_len_code << 3);
751 	dev_dbg(component->dev, "format val = 0x%x\n", val);
752 
753 	snd_soc_component_update_bits(component, RT286_DAC_FORMAT, 0x407f, val);
754 	snd_soc_component_update_bits(component, RT286_ADC_FORMAT, 0x407f, val);
755 
756 	return 0;
757 }
758 
759 static int rt286_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
760 {
761 	struct snd_soc_component *component = dai->component;
762 
763 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
764 	case SND_SOC_DAIFMT_CBM_CFM:
765 		snd_soc_component_update_bits(component,
766 			RT286_I2S_CTRL1, 0x800, 0x800);
767 		break;
768 	case SND_SOC_DAIFMT_CBS_CFS:
769 		snd_soc_component_update_bits(component,
770 			RT286_I2S_CTRL1, 0x800, 0x0);
771 		break;
772 	default:
773 		return -EINVAL;
774 	}
775 
776 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
777 	case SND_SOC_DAIFMT_I2S:
778 		snd_soc_component_update_bits(component,
779 			RT286_I2S_CTRL1, 0x300, 0x0);
780 		break;
781 	case SND_SOC_DAIFMT_LEFT_J:
782 		snd_soc_component_update_bits(component,
783 			RT286_I2S_CTRL1, 0x300, 0x1 << 8);
784 		break;
785 	case SND_SOC_DAIFMT_DSP_A:
786 		snd_soc_component_update_bits(component,
787 			RT286_I2S_CTRL1, 0x300, 0x2 << 8);
788 		break;
789 	case SND_SOC_DAIFMT_DSP_B:
790 		snd_soc_component_update_bits(component,
791 			RT286_I2S_CTRL1, 0x300, 0x3 << 8);
792 		break;
793 	default:
794 		return -EINVAL;
795 	}
796 	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
797 	snd_soc_component_update_bits(component, RT286_DAC_FORMAT, 0x8000, 0);
798 	snd_soc_component_update_bits(component, RT286_ADC_FORMAT, 0x8000, 0);
799 
800 	return 0;
801 }
802 
803 static int rt286_set_dai_sysclk(struct snd_soc_dai *dai,
804 				int clk_id, unsigned int freq, int dir)
805 {
806 	struct snd_soc_component *component = dai->component;
807 	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
808 
809 	dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
810 
811 	if (RT286_SCLK_S_MCLK == clk_id) {
812 		snd_soc_component_update_bits(component,
813 			RT286_I2S_CTRL2, 0x0100, 0x0);
814 		snd_soc_component_update_bits(component,
815 			RT286_PLL_CTRL1, 0x20, 0x20);
816 	} else {
817 		snd_soc_component_update_bits(component,
818 			RT286_I2S_CTRL2, 0x0100, 0x0100);
819 		snd_soc_component_update_bits(component,
820 			RT286_PLL_CTRL, 0x4, 0x4);
821 		snd_soc_component_update_bits(component,
822 			RT286_PLL_CTRL1, 0x20, 0x0);
823 	}
824 
825 	switch (freq) {
826 	case 19200000:
827 		if (RT286_SCLK_S_MCLK == clk_id) {
828 			dev_err(component->dev, "Should not use MCLK\n");
829 			return -EINVAL;
830 		}
831 		snd_soc_component_update_bits(component,
832 			RT286_I2S_CTRL2, 0x40, 0x40);
833 		break;
834 	case 24000000:
835 		if (RT286_SCLK_S_MCLK == clk_id) {
836 			dev_err(component->dev, "Should not use MCLK\n");
837 			return -EINVAL;
838 		}
839 		snd_soc_component_update_bits(component,
840 			RT286_I2S_CTRL2, 0x40, 0x0);
841 		break;
842 	case 12288000:
843 	case 11289600:
844 		snd_soc_component_update_bits(component,
845 			RT286_I2S_CTRL2, 0x8, 0x0);
846 		snd_soc_component_update_bits(component,
847 			RT286_CLK_DIV, 0xfc1e, 0x0004);
848 		break;
849 	case 24576000:
850 	case 22579200:
851 		snd_soc_component_update_bits(component,
852 			RT286_I2S_CTRL2, 0x8, 0x8);
853 		snd_soc_component_update_bits(component,
854 			RT286_CLK_DIV, 0xfc1e, 0x5406);
855 		break;
856 	default:
857 		dev_err(component->dev, "Unsupported system clock\n");
858 		return -EINVAL;
859 	}
860 
861 	rt286->sys_clk = freq;
862 	rt286->clk_id = clk_id;
863 
864 	return 0;
865 }
866 
867 static int rt286_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
868 {
869 	struct snd_soc_component *component = dai->component;
870 
871 	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
872 	if (50 == ratio)
873 		snd_soc_component_update_bits(component,
874 			RT286_I2S_CTRL1, 0x1000, 0x1000);
875 	else
876 		snd_soc_component_update_bits(component,
877 			RT286_I2S_CTRL1, 0x1000, 0x0);
878 
879 
880 	return 0;
881 }
882 
883 static int rt286_set_bias_level(struct snd_soc_component *component,
884 				 enum snd_soc_bias_level level)
885 {
886 	switch (level) {
887 	case SND_SOC_BIAS_PREPARE:
888 		if (SND_SOC_BIAS_STANDBY == snd_soc_component_get_bias_level(component)) {
889 			snd_soc_component_write(component,
890 				RT286_SET_AUDIO_POWER, AC_PWRST_D0);
891 			snd_soc_component_update_bits(component,
892 				RT286_DC_GAIN, 0x200, 0x200);
893 		}
894 		break;
895 
896 	case SND_SOC_BIAS_ON:
897 		mdelay(10);
898 		snd_soc_component_update_bits(component,
899 			RT286_DC_GAIN, 0x200, 0x0);
900 
901 		break;
902 
903 	case SND_SOC_BIAS_STANDBY:
904 		snd_soc_component_write(component,
905 			RT286_SET_AUDIO_POWER, AC_PWRST_D3);
906 		break;
907 
908 	default:
909 		break;
910 	}
911 
912 	return 0;
913 }
914 
915 static irqreturn_t rt286_irq(int irq, void *data)
916 {
917 	struct rt286_priv *rt286 = data;
918 	bool hp = false;
919 	bool mic = false;
920 	int status = 0;
921 
922 	rt286_jack_detect(rt286, &hp, &mic);
923 
924 	/* Clear IRQ */
925 	regmap_update_bits(rt286->regmap, RT286_IRQ_CTRL, 0x1, 0x1);
926 
927 	if (hp == true)
928 		status |= SND_JACK_HEADPHONE;
929 
930 	if (mic == true)
931 		status |= SND_JACK_MICROPHONE;
932 
933 	snd_soc_jack_report(rt286->jack, status,
934 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
935 
936 	pm_wakeup_event(&rt286->i2c->dev, 300);
937 
938 	return IRQ_HANDLED;
939 }
940 
941 static int rt286_probe(struct snd_soc_component *component)
942 {
943 	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
944 
945 	rt286->component = component;
946 
947 	if (rt286->i2c->irq) {
948 		regmap_update_bits(rt286->regmap,
949 					RT286_IRQ_CTRL, 0x2, 0x2);
950 
951 		INIT_DELAYED_WORK(&rt286->jack_detect_work,
952 					rt286_jack_detect_work);
953 		schedule_delayed_work(&rt286->jack_detect_work,
954 					msecs_to_jiffies(1250));
955 	}
956 
957 	return 0;
958 }
959 
960 static void rt286_remove(struct snd_soc_component *component)
961 {
962 	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
963 
964 	cancel_delayed_work_sync(&rt286->jack_detect_work);
965 }
966 
967 #ifdef CONFIG_PM
968 static int rt286_suspend(struct snd_soc_component *component)
969 {
970 	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
971 
972 	regcache_cache_only(rt286->regmap, true);
973 	regcache_mark_dirty(rt286->regmap);
974 
975 	return 0;
976 }
977 
978 static int rt286_resume(struct snd_soc_component *component)
979 {
980 	struct rt286_priv *rt286 = snd_soc_component_get_drvdata(component);
981 
982 	regcache_cache_only(rt286->regmap, false);
983 	rt286_index_sync(component);
984 	regcache_sync(rt286->regmap);
985 
986 	return 0;
987 }
988 #else
989 #define rt286_suspend NULL
990 #define rt286_resume NULL
991 #endif
992 
993 #define RT286_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
994 #define RT286_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
995 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
996 
997 static const struct snd_soc_dai_ops rt286_aif_dai_ops = {
998 	.hw_params = rt286_hw_params,
999 	.set_fmt = rt286_set_dai_fmt,
1000 	.set_sysclk = rt286_set_dai_sysclk,
1001 	.set_bclk_ratio = rt286_set_bclk_ratio,
1002 };
1003 
1004 static struct snd_soc_dai_driver rt286_dai[] = {
1005 	{
1006 		.name = "rt286-aif1",
1007 		.id = RT286_AIF1,
1008 		.playback = {
1009 			.stream_name = "AIF1 Playback",
1010 			.channels_min = 1,
1011 			.channels_max = 2,
1012 			.rates = RT286_STEREO_RATES,
1013 			.formats = RT286_FORMATS,
1014 		},
1015 		.capture = {
1016 			.stream_name = "AIF1 Capture",
1017 			.channels_min = 1,
1018 			.channels_max = 2,
1019 			.rates = RT286_STEREO_RATES,
1020 			.formats = RT286_FORMATS,
1021 		},
1022 		.ops = &rt286_aif_dai_ops,
1023 		.symmetric_rates = 1,
1024 	},
1025 	{
1026 		.name = "rt286-aif2",
1027 		.id = RT286_AIF2,
1028 		.playback = {
1029 			.stream_name = "AIF2 Playback",
1030 			.channels_min = 1,
1031 			.channels_max = 2,
1032 			.rates = RT286_STEREO_RATES,
1033 			.formats = RT286_FORMATS,
1034 		},
1035 		.capture = {
1036 			.stream_name = "AIF2 Capture",
1037 			.channels_min = 1,
1038 			.channels_max = 2,
1039 			.rates = RT286_STEREO_RATES,
1040 			.formats = RT286_FORMATS,
1041 		},
1042 		.ops = &rt286_aif_dai_ops,
1043 		.symmetric_rates = 1,
1044 	},
1045 
1046 };
1047 
1048 static const struct snd_soc_component_driver soc_component_dev_rt286 = {
1049 	.probe			= rt286_probe,
1050 	.remove			= rt286_remove,
1051 	.suspend		= rt286_suspend,
1052 	.resume			= rt286_resume,
1053 	.set_bias_level		= rt286_set_bias_level,
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 	.non_legacy_dai_naming	= 1,
1063 };
1064 
1065 static const struct regmap_config rt286_regmap = {
1066 	.reg_bits = 32,
1067 	.val_bits = 32,
1068 	.max_register = 0x02370100,
1069 	.volatile_reg = rt286_volatile_register,
1070 	.readable_reg = rt286_readable_register,
1071 	.reg_write = rl6347a_hw_write,
1072 	.reg_read = rl6347a_hw_read,
1073 	.cache_type = REGCACHE_RBTREE,
1074 	.reg_defaults = rt286_reg,
1075 	.num_reg_defaults = ARRAY_SIZE(rt286_reg),
1076 };
1077 
1078 static const struct i2c_device_id rt286_i2c_id[] = {
1079 	{"rt286", 0},
1080 	{"rt288", 0},
1081 	{}
1082 };
1083 MODULE_DEVICE_TABLE(i2c, rt286_i2c_id);
1084 
1085 static const struct acpi_device_id rt286_acpi_match[] = {
1086 	{ "INT343A", 0 },
1087 	{},
1088 };
1089 MODULE_DEVICE_TABLE(acpi, rt286_acpi_match);
1090 
1091 static const struct dmi_system_id force_combo_jack_table[] = {
1092 	{
1093 		.ident = "Intel Wilson Beach",
1094 		.matches = {
1095 			DMI_MATCH(DMI_BOARD_NAME, "Wilson Beach SDS")
1096 		}
1097 	},
1098 	{
1099 		.ident = "Intel Skylake RVP",
1100 		.matches = {
1101 			DMI_MATCH(DMI_PRODUCT_NAME, "Skylake Client platform")
1102 		}
1103 	},
1104 	{
1105 		.ident = "Intel Kabylake RVP",
1106 		.matches = {
1107 			DMI_MATCH(DMI_PRODUCT_NAME, "Kabylake Client platform")
1108 		}
1109 	},
1110 	{
1111 		.ident = "Thinkpad Helix 2nd",
1112 		.matches = {
1113 			DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
1114 			DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Helix 2nd")
1115 		}
1116 	},
1117 
1118 	{ }
1119 };
1120 
1121 static const struct dmi_system_id dmi_dell_dino[] = {
1122 	{
1123 		.ident = "Dell Dino",
1124 		.matches = {
1125 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1126 			DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9343")
1127 		}
1128 	},
1129 	{ }
1130 };
1131 
1132 static int rt286_i2c_probe(struct i2c_client *i2c,
1133 			   const struct i2c_device_id *id)
1134 {
1135 	struct rt286_platform_data *pdata = dev_get_platdata(&i2c->dev);
1136 	struct rt286_priv *rt286;
1137 	int i, ret, val;
1138 
1139 	rt286 = devm_kzalloc(&i2c->dev,	sizeof(*rt286),
1140 				GFP_KERNEL);
1141 	if (NULL == rt286)
1142 		return -ENOMEM;
1143 
1144 	rt286->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt286_regmap);
1145 	if (IS_ERR(rt286->regmap)) {
1146 		ret = PTR_ERR(rt286->regmap);
1147 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1148 			ret);
1149 		return ret;
1150 	}
1151 
1152 	ret = regmap_read(rt286->regmap,
1153 		RT286_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &val);
1154 	if (ret != 0) {
1155 		dev_err(&i2c->dev, "I2C error %d\n", ret);
1156 		return ret;
1157 	}
1158 	if (val != RT286_VENDOR_ID && val != RT288_VENDOR_ID) {
1159 		dev_err(&i2c->dev,
1160 			"Device with ID register %#x is not rt286\n", val);
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 (dmi_check_system(force_combo_jack_table) ||
1185 		dmi_check_system(dmi_dell_dino))
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, 0x4000);
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 (dmi_check_system(dmi_dell_dino)) {
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 reguest 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 
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 
1259 	return 0;
1260 }
1261 
1262 
1263 static struct i2c_driver rt286_i2c_driver = {
1264 	.driver = {
1265 		   .name = "rt286",
1266 		   .acpi_match_table = ACPI_PTR(rt286_acpi_match),
1267 		   },
1268 	.probe = rt286_i2c_probe,
1269 	.remove = rt286_i2c_remove,
1270 	.id_table = rt286_i2c_id,
1271 };
1272 
1273 module_i2c_driver(rt286_i2c_driver);
1274 
1275 MODULE_DESCRIPTION("ASoC RT286 driver");
1276 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1277 MODULE_LICENSE("GPL");
1278