xref: /openbmc/linux/sound/soc/codecs/rt286.c (revision e961f8c6)
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 
36 struct 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 
49 static 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 
73 static 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 
115 static 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 
131 static 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
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 					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 
294 static 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 
314 static 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 
340 static 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 
352 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
353 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
354 
355 static 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 */
369 static 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 */
377 static 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 
388 static 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 
392 static const struct snd_kcontrol_new hpol_enable_control =
393 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT286_HPOL_GAIN,
394 			RT286_MUTE_SFT, 1, 1);
395 
396 static 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 */
401 static const char * const rt286_adc_src[] = {
402 	"Mic", "RECMIX", "Dmic"
403 };
404 
405 static const int rt286_adc_values[] = {
406 	0, 4, 5,
407 };
408 
409 static 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 
413 static const struct snd_kcontrol_new rt286_adc0_mux =
414 	SOC_DAPM_ENUM("ADC 0 source", rt286_adc0_enum);
415 
416 static 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 
420 static const struct snd_kcontrol_new rt286_adc1_mux =
421 	SOC_DAPM_ENUM("ADC 1 source", rt286_adc1_enum);
422 
423 static const char * const rt286_dac_src[] = {
424 	"Front", "Surround"
425 };
426 /* HP-OUT source */
427 static SOC_ENUM_SINGLE_DECL(rt286_hpo_enum, RT286_HPO_MUX,
428 				0, rt286_dac_src);
429 
430 static const struct snd_kcontrol_new rt286_hpo_mux =
431 SOC_DAPM_ENUM("HPO source", rt286_hpo_enum);
432 
433 /* SPK-OUT source */
434 static SOC_ENUM_SINGLE_DECL(rt286_spo_enum, RT286_SPK_MUX,
435 				0, rt286_dac_src);
436 
437 static const struct snd_kcontrol_new rt286_spo_mux =
438 SOC_DAPM_ENUM("SPO source", rt286_spo_enum);
439 
440 static 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 
462 static 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 
481 static 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 
500 static 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 
525 static 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 
611 static 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 
679 static 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 
763 static 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 
807 static 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 
871 static 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 
887 static 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 
919 static 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 
945 static 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 
958 static 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
967 static 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 
977 static 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 
996 static 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 
1003 static 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 
1047 static 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 
1064 static 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 
1077 static const struct i2c_device_id rt286_i2c_id[] = {
1078 	{"rt286", 0},
1079 	{"rt288", 0},
1080 	{}
1081 };
1082 MODULE_DEVICE_TABLE(i2c, rt286_i2c_id);
1083 
1084 #ifdef CONFIG_ACPI
1085 static const struct acpi_device_id rt286_acpi_match[] = {
1086 	{ "INT343A", 0 },
1087 	{},
1088 };
1089 MODULE_DEVICE_TABLE(acpi, rt286_acpi_match);
1090 #endif
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[] = {
1123 	{
1124 		.ident = "Dell",
1125 		.matches = {
1126 			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
1127 		}
1128 	},
1129 	{ }
1130 };
1131 
1132 static 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 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 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 
1261 static 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 
1271 module_i2c_driver(rt286_i2c_driver);
1272 
1273 MODULE_DESCRIPTION("ASoC RT286 driver");
1274 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1275 MODULE_LICENSE("GPL");
1276