xref: /linux/sound/soc/codecs/rt298.c (revision 71dfa617ea9f18e4585fe78364217cd32b1fc382)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * rt298.c  --  RT298 ALSA SoC audio codec driver
4  *
5  * Copyright 2015 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/rt298.h>
29 
30 #include "rl6347a.h"
31 #include "rt298.h"
32 
33 #define RT298_VENDOR_ID 0x10ec0298
34 
35 struct rt298_priv {
36 	struct reg_default *index_cache;
37 	int index_cache_size;
38 	struct regmap *regmap;
39 	struct snd_soc_component *component;
40 	struct rt298_platform_data pdata;
41 	struct i2c_client *i2c;
42 	struct snd_soc_jack *jack;
43 	struct delayed_work jack_detect_work;
44 	int sys_clk;
45 	int clk_id;
46 	int is_hp_in;
47 };
48 
49 static const struct reg_default rt298_index_def[] = {
50 	{ 0x01, 0xa5a8 },
51 	{ 0x02, 0x8e95 },
52 	{ 0x03, 0x0002 },
53 	{ 0x04, 0xaf67 },
54 	{ 0x08, 0x200f },
55 	{ 0x09, 0xd010 },
56 	{ 0x0a, 0x0100 },
57 	{ 0x0b, 0x0000 },
58 	{ 0x0d, 0x2800 },
59 	{ 0x0f, 0x0022 },
60 	{ 0x19, 0x0217 },
61 	{ 0x20, 0x0020 },
62 	{ 0x33, 0x0208 },
63 	{ 0x46, 0x0300 },
64 	{ 0x49, 0x4004 },
65 	{ 0x4f, 0x50c9 },
66 	{ 0x50, 0x3000 },
67 	{ 0x63, 0x1b02 },
68 	{ 0x67, 0x1111 },
69 	{ 0x68, 0x1016 },
70 	{ 0x69, 0x273f },
71 };
72 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
73 
74 static const struct reg_default rt298_reg[] = {
75 	{ 0x00170500, 0x00000400 },
76 	{ 0x00220000, 0x00000031 },
77 	{ 0x00239000, 0x0000007f },
78 	{ 0x0023a000, 0x0000007f },
79 	{ 0x00270500, 0x00000400 },
80 	{ 0x00370500, 0x00000400 },
81 	{ 0x00870500, 0x00000400 },
82 	{ 0x00920000, 0x00000031 },
83 	{ 0x00935000, 0x000000c3 },
84 	{ 0x00936000, 0x000000c3 },
85 	{ 0x00970500, 0x00000400 },
86 	{ 0x00b37000, 0x00000097 },
87 	{ 0x00b37200, 0x00000097 },
88 	{ 0x00b37300, 0x00000097 },
89 	{ 0x00c37000, 0x00000000 },
90 	{ 0x00c37100, 0x00000080 },
91 	{ 0x01270500, 0x00000400 },
92 	{ 0x01370500, 0x00000400 },
93 	{ 0x01371f00, 0x411111f0 },
94 	{ 0x01439000, 0x00000080 },
95 	{ 0x0143a000, 0x00000080 },
96 	{ 0x01470700, 0x00000000 },
97 	{ 0x01470500, 0x00000400 },
98 	{ 0x01470c00, 0x00000000 },
99 	{ 0x01470100, 0x00000000 },
100 	{ 0x01837000, 0x00000000 },
101 	{ 0x01870500, 0x00000400 },
102 	{ 0x02050000, 0x00000000 },
103 	{ 0x02139000, 0x00000080 },
104 	{ 0x0213a000, 0x00000080 },
105 	{ 0x02170100, 0x00000000 },
106 	{ 0x02170500, 0x00000400 },
107 	{ 0x02170700, 0x00000000 },
108 	{ 0x02270100, 0x00000000 },
109 	{ 0x02370100, 0x00000000 },
110 	{ 0x01870700, 0x00000020 },
111 	{ 0x00830000, 0x000000c3 },
112 	{ 0x00930000, 0x000000c3 },
113 	{ 0x01270700, 0x00000000 },
114 };
115 
116 static bool rt298_volatile_register(struct device *dev, unsigned int reg)
117 {
118 	switch (reg) {
119 	case 0 ... 0xff:
120 	case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
121 	case RT298_GET_HP_SENSE:
122 	case RT298_GET_MIC1_SENSE:
123 	case RT298_PROC_COEF:
124 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
125 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
126 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
127 		return true;
128 	default:
129 		return false;
130 	}
131 
132 
133 }
134 
135 static bool rt298_readable_register(struct device *dev, unsigned int reg)
136 {
137 	switch (reg) {
138 	case 0 ... 0xff:
139 	case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
140 	case RT298_GET_HP_SENSE:
141 	case RT298_GET_MIC1_SENSE:
142 	case RT298_SET_AUDIO_POWER:
143 	case RT298_SET_HPO_POWER:
144 	case RT298_SET_SPK_POWER:
145 	case RT298_SET_DMIC1_POWER:
146 	case RT298_SPK_MUX:
147 	case RT298_HPO_MUX:
148 	case RT298_ADC0_MUX:
149 	case RT298_ADC1_MUX:
150 	case RT298_SET_MIC1:
151 	case RT298_SET_PIN_HPO:
152 	case RT298_SET_PIN_SPK:
153 	case RT298_SET_PIN_DMIC1:
154 	case RT298_SPK_EAPD:
155 	case RT298_SET_AMP_GAIN_HPO:
156 	case RT298_SET_DMIC2_DEFAULT:
157 	case RT298_DACL_GAIN:
158 	case RT298_DACR_GAIN:
159 	case RT298_ADCL_GAIN:
160 	case RT298_ADCR_GAIN:
161 	case RT298_MIC_GAIN:
162 	case RT298_SPOL_GAIN:
163 	case RT298_SPOR_GAIN:
164 	case RT298_HPOL_GAIN:
165 	case RT298_HPOR_GAIN:
166 	case RT298_F_DAC_SWITCH:
167 	case RT298_F_RECMIX_SWITCH:
168 	case RT298_REC_MIC_SWITCH:
169 	case RT298_REC_I2S_SWITCH:
170 	case RT298_REC_LINE_SWITCH:
171 	case RT298_REC_BEEP_SWITCH:
172 	case RT298_DAC_FORMAT:
173 	case RT298_ADC_FORMAT:
174 	case RT298_COEF_INDEX:
175 	case RT298_PROC_COEF:
176 	case RT298_SET_AMP_GAIN_ADC_IN1:
177 	case RT298_SET_AMP_GAIN_ADC_IN2:
178 	case RT298_SET_POWER(RT298_DAC_OUT1):
179 	case RT298_SET_POWER(RT298_DAC_OUT2):
180 	case RT298_SET_POWER(RT298_ADC_IN1):
181 	case RT298_SET_POWER(RT298_ADC_IN2):
182 	case RT298_SET_POWER(RT298_DMIC2):
183 	case RT298_SET_POWER(RT298_MIC1):
184 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
185 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
186 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
187 		return true;
188 	default:
189 		return false;
190 	}
191 }
192 
193 #ifdef CONFIG_PM
194 static void rt298_index_sync(struct snd_soc_component *component)
195 {
196 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
197 	int i;
198 
199 	for (i = 0; i < INDEX_CACHE_SIZE; i++) {
200 		snd_soc_component_write(component, rt298->index_cache[i].reg,
201 				  rt298->index_cache[i].def);
202 	}
203 }
204 #endif
205 
206 static int rt298_support_power_controls[] = {
207 	RT298_DAC_OUT1,
208 	RT298_DAC_OUT2,
209 	RT298_ADC_IN1,
210 	RT298_ADC_IN2,
211 	RT298_MIC1,
212 	RT298_DMIC1,
213 	RT298_DMIC2,
214 	RT298_SPK_OUT,
215 	RT298_HP_OUT,
216 };
217 #define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
218 
219 static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
220 {
221 	struct snd_soc_dapm_context *dapm;
222 	unsigned int val, buf;
223 
224 	*hp = false;
225 	*mic = false;
226 
227 	if (!rt298->component)
228 		return -EINVAL;
229 
230 	dapm = snd_soc_component_get_dapm(rt298->component);
231 
232 	if (rt298->pdata.cbj_en) {
233 		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
234 		*hp = buf & 0x80000000;
235 		if (*hp == rt298->is_hp_in)
236 			return -1;
237 		rt298->is_hp_in = *hp;
238 		if (*hp) {
239 			/* power on HV,VERF */
240 			regmap_update_bits(rt298->regmap,
241 				RT298_DC_GAIN, 0x200, 0x200);
242 
243 			snd_soc_dapm_force_enable_pin(dapm, "HV");
244 			snd_soc_dapm_force_enable_pin(dapm, "VREF");
245 			/* power LDO1 */
246 			snd_soc_dapm_force_enable_pin(dapm, "LDO1");
247 			snd_soc_dapm_sync(dapm);
248 
249 			regmap_update_bits(rt298->regmap,
250 				RT298_POWER_CTRL1, 0x1001, 0);
251 			regmap_update_bits(rt298->regmap,
252 				RT298_POWER_CTRL2, 0x4, 0x4);
253 
254 			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
255 			msleep(50);
256 
257 			regmap_update_bits(rt298->regmap,
258 				RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
259 			msleep(300);
260 			regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
261 
262 			if (0x0070 == (val & 0x0070)) {
263 				*mic = true;
264 			} else {
265 				regmap_update_bits(rt298->regmap,
266 					RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
267 				msleep(300);
268 				regmap_read(rt298->regmap,
269 					RT298_CBJ_CTRL2, &val);
270 				if (0x0070 == (val & 0x0070)) {
271 					*mic = true;
272 				} else {
273 					*mic = false;
274 					regmap_update_bits(rt298->regmap,
275 						RT298_CBJ_CTRL1,
276 						0xfcc0, 0xc400);
277 				}
278 			}
279 
280 			regmap_update_bits(rt298->regmap,
281 				RT298_DC_GAIN, 0x200, 0x0);
282 
283 		} else {
284 			*mic = false;
285 			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
286 			regmap_update_bits(rt298->regmap,
287 				RT298_CBJ_CTRL1, 0x0400, 0x0000);
288 		}
289 	} else {
290 		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
291 		*hp = buf & 0x80000000;
292 		regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
293 		*mic = buf & 0x80000000;
294 	}
295 	if (!*mic) {
296 		snd_soc_dapm_disable_pin(dapm, "HV");
297 		snd_soc_dapm_disable_pin(dapm, "VREF");
298 	}
299 	if (!*hp)
300 		snd_soc_dapm_disable_pin(dapm, "LDO1");
301 	snd_soc_dapm_sync(dapm);
302 
303 	pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
304 
305 	return 0;
306 }
307 
308 static void rt298_jack_detect_work(struct work_struct *work)
309 {
310 	struct rt298_priv *rt298 =
311 		container_of(work, struct rt298_priv, jack_detect_work.work);
312 	int status = 0;
313 	bool hp = false;
314 	bool mic = false;
315 
316 	if (rt298_jack_detect(rt298, &hp, &mic) < 0)
317 		return;
318 
319 	if (hp)
320 		status |= SND_JACK_HEADPHONE;
321 
322 	if (mic)
323 		status |= SND_JACK_MICROPHONE;
324 
325 	snd_soc_jack_report(rt298->jack, status,
326 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
327 }
328 
329 static int rt298_mic_detect(struct snd_soc_component *component,
330 			    struct snd_soc_jack *jack, void *data)
331 {
332 	struct snd_soc_dapm_context *dapm = snd_soc_component_get_dapm(component);
333 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
334 
335 	rt298->jack = jack;
336 
337 	if (jack) {
338 		/* Enable IRQ */
339 		if (rt298->jack->status & SND_JACK_HEADPHONE)
340 			snd_soc_dapm_force_enable_pin(dapm, "LDO1");
341 		if (rt298->jack->status & SND_JACK_MICROPHONE) {
342 			snd_soc_dapm_force_enable_pin(dapm, "HV");
343 			snd_soc_dapm_force_enable_pin(dapm, "VREF");
344 		}
345 		regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
346 		/* Send an initial empty report */
347 		snd_soc_jack_report(rt298->jack, rt298->jack->status,
348 				    SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
349 	} else {
350 		/* Disable IRQ */
351 		regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
352 		snd_soc_dapm_disable_pin(dapm, "HV");
353 		snd_soc_dapm_disable_pin(dapm, "VREF");
354 		snd_soc_dapm_disable_pin(dapm, "LDO1");
355 	}
356 	snd_soc_dapm_sync(dapm);
357 
358 	return 0;
359 }
360 
361 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
362 			 struct snd_soc_dapm_widget *sink)
363 {
364 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
365 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
366 
367 	if (rt298->clk_id == RT298_SCLK_S_MCLK)
368 		return 1;
369 	else
370 		return 0;
371 }
372 
373 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
374 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
375 
376 static const struct snd_kcontrol_new rt298_snd_controls[] = {
377 	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
378 			    RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
379 	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
380 			    RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
381 	SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
382 			    0, 0x3, 0, mic_vol_tlv),
383 	SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
384 			    RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
385 };
386 
387 /* Digital Mixer */
388 static const struct snd_kcontrol_new rt298_front_mix[] = {
389 	SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
390 			RT298_MUTE_SFT, 1, 1),
391 	SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
392 			RT298_MUTE_SFT, 1, 1),
393 };
394 
395 /* Analog Input Mixer */
396 static const struct snd_kcontrol_new rt298_rec_mix[] = {
397 	SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
398 			RT298_MUTE_SFT, 1, 1),
399 	SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
400 			RT298_MUTE_SFT, 1, 1),
401 	SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
402 			RT298_MUTE_SFT, 1, 1),
403 	SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
404 			RT298_MUTE_SFT, 1, 1),
405 };
406 
407 static const struct snd_kcontrol_new spo_enable_control =
408 	SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
409 			RT298_SET_PIN_SFT, 1, 0);
410 
411 static const struct snd_kcontrol_new hpol_enable_control =
412 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
413 			RT298_MUTE_SFT, 1, 1);
414 
415 static const struct snd_kcontrol_new hpor_enable_control =
416 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
417 			RT298_MUTE_SFT, 1, 1);
418 
419 /* ADC0 source */
420 static const char * const rt298_adc_src[] = {
421 	"Mic", "RECMIX", "Dmic"
422 };
423 
424 static const int rt298_adc_values[] = {
425 	0, 4, 5,
426 };
427 
428 static SOC_VALUE_ENUM_SINGLE_DECL(
429 	rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
430 	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
431 
432 static const struct snd_kcontrol_new rt298_adc0_mux =
433 	SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
434 
435 static SOC_VALUE_ENUM_SINGLE_DECL(
436 	rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
437 	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
438 
439 static const struct snd_kcontrol_new rt298_adc1_mux =
440 	SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
441 
442 static const char * const rt298_dac_src[] = {
443 	"Front", "Surround"
444 };
445 /* HP-OUT source */
446 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
447 				0, rt298_dac_src);
448 
449 static const struct snd_kcontrol_new rt298_hpo_mux =
450 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
451 
452 /* SPK-OUT source */
453 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
454 				0, rt298_dac_src);
455 
456 static const struct snd_kcontrol_new rt298_spo_mux =
457 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
458 
459 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
460 			    struct snd_kcontrol *kcontrol, int event)
461 {
462 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
463 
464 	switch (event) {
465 	case SND_SOC_DAPM_POST_PMU:
466 		snd_soc_component_write(component,
467 			RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
468 		break;
469 	case SND_SOC_DAPM_PRE_PMD:
470 		snd_soc_component_write(component,
471 			RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
472 		break;
473 
474 	default:
475 		return 0;
476 	}
477 
478 	return 0;
479 }
480 
481 static int rt298_set_dmic1_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_write(component, RT298_SET_PIN_DMIC1, 0x20);
489 		break;
490 	case SND_SOC_DAPM_PRE_PMD:
491 		snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0);
492 		break;
493 	default:
494 		return 0;
495 	}
496 
497 	return 0;
498 }
499 
500 static int rt298_adc_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 	unsigned int nid;
505 
506 	nid = (w->reg >> 20) & 0xff;
507 
508 	switch (event) {
509 	case SND_SOC_DAPM_POST_PMU:
510 		snd_soc_component_update_bits(component,
511 			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
512 			0x7080, 0x7000);
513 		 /* If MCLK doesn't exist, reset AD filter */
514 		if (!(snd_soc_component_read(component, RT298_VAD_CTRL) & 0x200)) {
515 			pr_info("NO MCLK\n");
516 			switch (nid) {
517 			case RT298_ADC_IN1:
518 				snd_soc_component_update_bits(component,
519 					RT298_D_FILTER_CTRL, 0x2, 0x2);
520 				mdelay(10);
521 				snd_soc_component_update_bits(component,
522 					RT298_D_FILTER_CTRL, 0x2, 0x0);
523 				break;
524 			case RT298_ADC_IN2:
525 				snd_soc_component_update_bits(component,
526 					RT298_D_FILTER_CTRL, 0x4, 0x4);
527 				mdelay(10);
528 				snd_soc_component_update_bits(component,
529 					RT298_D_FILTER_CTRL, 0x4, 0x0);
530 				break;
531 			}
532 		}
533 		break;
534 	case SND_SOC_DAPM_PRE_PMD:
535 		snd_soc_component_update_bits(component,
536 			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
537 			0x7080, 0x7080);
538 		break;
539 	default:
540 		return 0;
541 	}
542 
543 	return 0;
544 }
545 
546 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
547 			     struct snd_kcontrol *kcontrol, int event)
548 {
549 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
550 
551 	switch (event) {
552 	case SND_SOC_DAPM_PRE_PMU:
553 		snd_soc_component_update_bits(component,
554 			RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
555 		snd_soc_component_update_bits(component,
556 			RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
557 		break;
558 	case SND_SOC_DAPM_POST_PMD:
559 		snd_soc_component_update_bits(component,
560 			RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
561 		snd_soc_component_update_bits(component,
562 			RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
563 		break;
564 	default:
565 		return 0;
566 	}
567 
568 	return 0;
569 }
570 
571 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
572 
573 	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
574 		12, 1, NULL, 0),
575 	SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
576 		0, 1, NULL, 0),
577 	SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
578 		1, 0, NULL, 0),
579 	SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
580 		2, 0, NULL, 0),
581 	SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
582 		3, 0, NULL, 0),
583 	SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
584 		4, 1, NULL, 0),
585 	SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
586 		13, 1, NULL, 0),
587 
588 
589 	SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
590 		5, 0, NULL, 0),
591 	SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
592 		0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
593 		SND_SOC_DAPM_POST_PMD),
594 
595 	/* Input Lines */
596 	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
597 	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
598 	SND_SOC_DAPM_INPUT("MIC1"),
599 	SND_SOC_DAPM_INPUT("LINE1"),
600 	SND_SOC_DAPM_INPUT("Beep"),
601 
602 	/* DMIC */
603 	SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
604 		NULL, 0, rt298_set_dmic1_event,
605 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
606 	SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
607 		NULL, 0),
608 	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
609 		0, 0, NULL, 0),
610 
611 	/* REC Mixer */
612 	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
613 		rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
614 
615 	/* ADCs */
616 	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
617 	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
618 
619 	/* ADC Mux */
620 	SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
621 		&rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
622 		SND_SOC_DAPM_POST_PMU),
623 	SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
624 		&rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
625 		SND_SOC_DAPM_POST_PMU),
626 
627 	/* Audio Interface */
628 	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
629 	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
630 	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
631 	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
632 
633 	/* Output Side */
634 	/* DACs */
635 	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
636 	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
637 
638 	/* Output Mux */
639 	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
640 	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
641 
642 	SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
643 		RT298_SET_PIN_SFT, 0, NULL, 0),
644 
645 	/* Output Mixer */
646 	SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
647 			rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
648 	SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
649 			NULL, 0),
650 
651 	/* Output Pga */
652 	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
653 		&spo_enable_control, rt298_spk_event,
654 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
655 	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
656 		&hpol_enable_control),
657 	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
658 		&hpor_enable_control),
659 
660 	/* Output Lines */
661 	SND_SOC_DAPM_OUTPUT("SPOL"),
662 	SND_SOC_DAPM_OUTPUT("SPOR"),
663 	SND_SOC_DAPM_OUTPUT("HPO Pin"),
664 	SND_SOC_DAPM_OUTPUT("SPDIF"),
665 };
666 
667 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
668 
669 	{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
670 	{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
671 	{"Front", NULL, "MCLK MODE", is_mclk_mode},
672 	{"Surround", NULL, "MCLK MODE", is_mclk_mode},
673 
674 	{"HP Power", NULL, "LDO1"},
675 	{"HP Power", NULL, "LDO2"},
676 	{"HP Power", NULL, "LV"},
677 	{"HP Power", NULL, "VREF1"},
678 	{"HP Power", NULL, "BG_MBIAS"},
679 
680 	{"MIC1", NULL, "LDO1"},
681 	{"MIC1", NULL, "LDO2"},
682 	{"MIC1", NULL, "HV"},
683 	{"MIC1", NULL, "LV"},
684 	{"MIC1", NULL, "VREF"},
685 	{"MIC1", NULL, "VREF1"},
686 	{"MIC1", NULL, "BG_MBIAS"},
687 	{"MIC1", NULL, "MIC1 Input Buffer"},
688 
689 	{"SPO", NULL, "LDO1"},
690 	{"SPO", NULL, "LDO2"},
691 	{"SPO", NULL, "HV"},
692 	{"SPO", NULL, "LV"},
693 	{"SPO", NULL, "VREF"},
694 	{"SPO", NULL, "VREF1"},
695 	{"SPO", NULL, "BG_MBIAS"},
696 
697 	{"DMIC1", NULL, "DMIC1 Pin"},
698 	{"DMIC2", NULL, "DMIC2 Pin"},
699 	{"DMIC1", NULL, "DMIC Receiver"},
700 	{"DMIC2", NULL, "DMIC Receiver"},
701 
702 	{"RECMIX", "Beep Switch", "Beep"},
703 	{"RECMIX", "Line1 Switch", "LINE1"},
704 	{"RECMIX", "Mic1 Switch", "MIC1"},
705 
706 	{"ADC 0 Mux", "Dmic", "DMIC1"},
707 	{"ADC 0 Mux", "RECMIX", "RECMIX"},
708 	{"ADC 0 Mux", "Mic", "MIC1"},
709 	{"ADC 1 Mux", "Dmic", "DMIC2"},
710 	{"ADC 1 Mux", "RECMIX", "RECMIX"},
711 	{"ADC 1 Mux", "Mic", "MIC1"},
712 
713 	{"ADC 0", NULL, "ADC 0 Mux"},
714 	{"ADC 1", NULL, "ADC 1 Mux"},
715 
716 	{"AIF1TX", NULL, "ADC 0"},
717 	{"AIF2TX", NULL, "ADC 1"},
718 
719 	{"DAC 0", NULL, "AIF1RX"},
720 	{"DAC 1", NULL, "AIF2RX"},
721 
722 	{"Front", "DAC Switch", "DAC 0"},
723 	{"Front", "RECMIX Switch", "RECMIX"},
724 
725 	{"Surround", NULL, "DAC 1"},
726 
727 	{"SPK Mux", "Front", "Front"},
728 	{"SPK Mux", "Surround", "Surround"},
729 
730 	{"HPO Mux", "Front", "Front"},
731 	{"HPO Mux", "Surround", "Surround"},
732 
733 	{"SPO", "Switch", "SPK Mux"},
734 	{"HPO L", "Switch", "HPO Mux"},
735 	{"HPO R", "Switch", "HPO Mux"},
736 	{"HPO L", NULL, "HP Power"},
737 	{"HPO R", NULL, "HP Power"},
738 
739 	{"SPOL", NULL, "SPO"},
740 	{"SPOR", NULL, "SPO"},
741 	{"HPO Pin", NULL, "HPO L"},
742 	{"HPO Pin", NULL, "HPO R"},
743 };
744 
745 static int rt298_hw_params(struct snd_pcm_substream *substream,
746 			    struct snd_pcm_hw_params *params,
747 			    struct snd_soc_dai *dai)
748 {
749 	struct snd_soc_component *component = dai->component;
750 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
751 	unsigned int val = 0;
752 	int d_len_code;
753 
754 	switch (params_rate(params)) {
755 	/* bit 14 0:48K 1:44.1K */
756 	case 44100:
757 	case 48000:
758 		break;
759 	default:
760 		dev_err(component->dev, "Unsupported sample rate %d\n",
761 					params_rate(params));
762 		return -EINVAL;
763 	}
764 	switch (rt298->sys_clk) {
765 	case 12288000:
766 	case 24576000:
767 		if (params_rate(params) != 48000) {
768 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
769 					params_rate(params), rt298->sys_clk);
770 			return -EINVAL;
771 		}
772 		break;
773 	case 11289600:
774 	case 22579200:
775 		if (params_rate(params) != 44100) {
776 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
777 					params_rate(params), rt298->sys_clk);
778 			return -EINVAL;
779 		}
780 		break;
781 	}
782 
783 	if (params_channels(params) <= 16) {
784 		/* bit 3:0 Number of Channel */
785 		val |= (params_channels(params) - 1);
786 	} else {
787 		dev_err(component->dev, "Unsupported channels %d\n",
788 					params_channels(params));
789 		return -EINVAL;
790 	}
791 
792 	switch (params_width(params)) {
793 	/* bit 6:4 Bits per Sample */
794 	case 16:
795 		d_len_code = 0;
796 		val |= (0x1 << 4);
797 		break;
798 	case 32:
799 		d_len_code = 2;
800 		val |= (0x4 << 4);
801 		break;
802 	case 20:
803 		d_len_code = 1;
804 		val |= (0x2 << 4);
805 		break;
806 	case 24:
807 		d_len_code = 2;
808 		val |= (0x3 << 4);
809 		break;
810 	case 8:
811 		d_len_code = 3;
812 		break;
813 	default:
814 		return -EINVAL;
815 	}
816 
817 	snd_soc_component_update_bits(component,
818 		RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
819 	dev_dbg(component->dev, "format val = 0x%x\n", val);
820 
821 	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x407f, val);
822 	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x407f, val);
823 
824 	return 0;
825 }
826 
827 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
828 {
829 	struct snd_soc_component *component = dai->component;
830 
831 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
832 	case SND_SOC_DAIFMT_CBM_CFM:
833 		snd_soc_component_update_bits(component,
834 			RT298_I2S_CTRL1, 0x800, 0x800);
835 		break;
836 	case SND_SOC_DAIFMT_CBS_CFS:
837 		snd_soc_component_update_bits(component,
838 			RT298_I2S_CTRL1, 0x800, 0x0);
839 		break;
840 	default:
841 		return -EINVAL;
842 	}
843 
844 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
845 	case SND_SOC_DAIFMT_I2S:
846 		snd_soc_component_update_bits(component,
847 			RT298_I2S_CTRL1, 0x300, 0x0);
848 		break;
849 	case SND_SOC_DAIFMT_LEFT_J:
850 		snd_soc_component_update_bits(component,
851 			RT298_I2S_CTRL1, 0x300, 0x1 << 8);
852 		break;
853 	case SND_SOC_DAIFMT_DSP_A:
854 		snd_soc_component_update_bits(component,
855 			RT298_I2S_CTRL1, 0x300, 0x2 << 8);
856 		break;
857 	case SND_SOC_DAIFMT_DSP_B:
858 		snd_soc_component_update_bits(component,
859 			RT298_I2S_CTRL1, 0x300, 0x3 << 8);
860 		break;
861 	default:
862 		return -EINVAL;
863 	}
864 	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
865 	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x8000, 0);
866 	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x8000, 0);
867 
868 	return 0;
869 }
870 
871 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
872 				int clk_id, unsigned int freq, int dir)
873 {
874 	struct snd_soc_component *component = dai->component;
875 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
876 
877 	dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
878 
879 	if (RT298_SCLK_S_MCLK == clk_id) {
880 		snd_soc_component_update_bits(component,
881 			RT298_I2S_CTRL2, 0x0100, 0x0);
882 		snd_soc_component_update_bits(component,
883 			RT298_PLL_CTRL1, 0x20, 0x20);
884 	} else {
885 		snd_soc_component_update_bits(component,
886 			RT298_I2S_CTRL2, 0x0100, 0x0100);
887 		snd_soc_component_update_bits(component,
888 			RT298_PLL_CTRL1, 0x20, 0x0);
889 	}
890 
891 	switch (freq) {
892 	case 19200000:
893 		if (RT298_SCLK_S_MCLK == clk_id) {
894 			dev_err(component->dev, "Should not use MCLK\n");
895 			return -EINVAL;
896 		}
897 		snd_soc_component_update_bits(component,
898 			RT298_I2S_CTRL2, 0x40, 0x40);
899 		break;
900 	case 24000000:
901 		if (RT298_SCLK_S_MCLK == clk_id) {
902 			dev_err(component->dev, "Should not use MCLK\n");
903 			return -EINVAL;
904 		}
905 		snd_soc_component_update_bits(component,
906 			RT298_I2S_CTRL2, 0x40, 0x0);
907 		break;
908 	case 12288000:
909 	case 11289600:
910 		snd_soc_component_update_bits(component,
911 			RT298_I2S_CTRL2, 0x8, 0x0);
912 		snd_soc_component_update_bits(component,
913 			RT298_CLK_DIV, 0xfc1e, 0x0004);
914 		break;
915 	case 24576000:
916 	case 22579200:
917 		snd_soc_component_update_bits(component,
918 			RT298_I2S_CTRL2, 0x8, 0x8);
919 		snd_soc_component_update_bits(component,
920 			RT298_CLK_DIV, 0xfc1e, 0x5406);
921 		break;
922 	default:
923 		dev_err(component->dev, "Unsupported system clock\n");
924 		return -EINVAL;
925 	}
926 
927 	rt298->sys_clk = freq;
928 	rt298->clk_id = clk_id;
929 
930 	return 0;
931 }
932 
933 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
934 {
935 	struct snd_soc_component *component = dai->component;
936 
937 	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
938 	if (50 == ratio)
939 		snd_soc_component_update_bits(component,
940 			RT298_I2S_CTRL1, 0x1000, 0x1000);
941 	else
942 		snd_soc_component_update_bits(component,
943 			RT298_I2S_CTRL1, 0x1000, 0x0);
944 
945 
946 	return 0;
947 }
948 
949 static int rt298_set_bias_level(struct snd_soc_component *component,
950 				 enum snd_soc_bias_level level)
951 {
952 	switch (level) {
953 	case SND_SOC_BIAS_PREPARE:
954 		if (SND_SOC_BIAS_STANDBY ==
955 			snd_soc_component_get_bias_level(component)) {
956 			snd_soc_component_write(component,
957 				RT298_SET_AUDIO_POWER, AC_PWRST_D0);
958 			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x200);
959 			snd_soc_component_update_bits(component, 0x52, 0x80, 0x0);
960 			mdelay(20);
961 			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x0);
962 			snd_soc_component_update_bits(component, 0x52, 0x80, 0x80);
963 		}
964 		break;
965 
966 	case SND_SOC_BIAS_STANDBY:
967 		snd_soc_component_write(component,
968 			RT298_SET_AUDIO_POWER, AC_PWRST_D3);
969 		break;
970 
971 	default:
972 		break;
973 	}
974 
975 	return 0;
976 }
977 
978 static irqreturn_t rt298_irq(int irq, void *data)
979 {
980 	struct rt298_priv *rt298 = data;
981 	bool hp = false;
982 	bool mic = false;
983 	int ret, status = 0;
984 
985 	ret = rt298_jack_detect(rt298, &hp, &mic);
986 
987 	/* Clear IRQ */
988 	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
989 
990 	if (ret == 0) {
991 		if (hp)
992 			status |= SND_JACK_HEADPHONE;
993 
994 		if (mic)
995 			status |= SND_JACK_MICROPHONE;
996 
997 		snd_soc_jack_report(rt298->jack, status,
998 			SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
999 
1000 		pm_wakeup_event(&rt298->i2c->dev, 300);
1001 	}
1002 
1003 	return IRQ_HANDLED;
1004 }
1005 
1006 static int rt298_probe(struct snd_soc_component *component)
1007 {
1008 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1009 
1010 	rt298->component = component;
1011 	INIT_DELAYED_WORK(&rt298->jack_detect_work, rt298_jack_detect_work);
1012 
1013 	if (rt298->i2c->irq)
1014 		schedule_delayed_work(&rt298->jack_detect_work,
1015 				      msecs_to_jiffies(1250));
1016 	return 0;
1017 }
1018 
1019 static void rt298_remove(struct snd_soc_component *component)
1020 {
1021 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1022 
1023 	cancel_delayed_work_sync(&rt298->jack_detect_work);
1024 	rt298->component = NULL;
1025 }
1026 
1027 #ifdef CONFIG_PM
1028 static int rt298_suspend(struct snd_soc_component *component)
1029 {
1030 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1031 
1032 	rt298->is_hp_in = -1;
1033 	regcache_cache_only(rt298->regmap, true);
1034 	regcache_mark_dirty(rt298->regmap);
1035 
1036 	return 0;
1037 }
1038 
1039 static int rt298_resume(struct snd_soc_component *component)
1040 {
1041 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1042 
1043 	regcache_cache_only(rt298->regmap, false);
1044 	rt298_index_sync(component);
1045 	regcache_sync(rt298->regmap);
1046 
1047 	return 0;
1048 }
1049 #else
1050 #define rt298_suspend NULL
1051 #define rt298_resume NULL
1052 #endif
1053 
1054 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1055 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1056 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1057 
1058 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1059 	.hw_params = rt298_hw_params,
1060 	.set_fmt = rt298_set_dai_fmt,
1061 	.set_sysclk = rt298_set_dai_sysclk,
1062 	.set_bclk_ratio = rt298_set_bclk_ratio,
1063 };
1064 
1065 static struct snd_soc_dai_driver rt298_dai[] = {
1066 	{
1067 		.name = "rt298-aif1",
1068 		.id = RT298_AIF1,
1069 		.playback = {
1070 			.stream_name = "AIF1 Playback",
1071 			.channels_min = 1,
1072 			.channels_max = 2,
1073 			.rates = RT298_STEREO_RATES,
1074 			.formats = RT298_FORMATS,
1075 		},
1076 		.capture = {
1077 			.stream_name = "AIF1 Capture",
1078 			.channels_min = 1,
1079 			.channels_max = 2,
1080 			.rates = RT298_STEREO_RATES,
1081 			.formats = RT298_FORMATS,
1082 		},
1083 		.ops = &rt298_aif_dai_ops,
1084 		.symmetric_rate = 1,
1085 	},
1086 	{
1087 		.name = "rt298-aif2",
1088 		.id = RT298_AIF2,
1089 		.playback = {
1090 			.stream_name = "AIF2 Playback",
1091 			.channels_min = 1,
1092 			.channels_max = 2,
1093 			.rates = RT298_STEREO_RATES,
1094 			.formats = RT298_FORMATS,
1095 		},
1096 		.capture = {
1097 			.stream_name = "AIF2 Capture",
1098 			.channels_min = 1,
1099 			.channels_max = 2,
1100 			.rates = RT298_STEREO_RATES,
1101 			.formats = RT298_FORMATS,
1102 		},
1103 		.ops = &rt298_aif_dai_ops,
1104 		.symmetric_rate = 1,
1105 	},
1106 
1107 };
1108 
1109 static const struct snd_soc_component_driver soc_component_dev_rt298 = {
1110 	.probe			= rt298_probe,
1111 	.remove			= rt298_remove,
1112 	.suspend		= rt298_suspend,
1113 	.resume			= rt298_resume,
1114 	.set_bias_level		= rt298_set_bias_level,
1115 	.set_jack		= rt298_mic_detect,
1116 	.controls		= rt298_snd_controls,
1117 	.num_controls		= ARRAY_SIZE(rt298_snd_controls),
1118 	.dapm_widgets		= rt298_dapm_widgets,
1119 	.num_dapm_widgets	= ARRAY_SIZE(rt298_dapm_widgets),
1120 	.dapm_routes		= rt298_dapm_routes,
1121 	.num_dapm_routes	= ARRAY_SIZE(rt298_dapm_routes),
1122 	.use_pmdown_time	= 1,
1123 	.endianness		= 1,
1124 };
1125 
1126 static const struct regmap_config rt298_regmap = {
1127 	.reg_bits = 32,
1128 	.val_bits = 32,
1129 	.max_register = 0x02370100,
1130 	.volatile_reg = rt298_volatile_register,
1131 	.readable_reg = rt298_readable_register,
1132 	.reg_write = rl6347a_hw_write,
1133 	.reg_read = rl6347a_hw_read,
1134 	.cache_type = REGCACHE_RBTREE,
1135 	.reg_defaults = rt298_reg,
1136 	.num_reg_defaults = ARRAY_SIZE(rt298_reg),
1137 };
1138 
1139 static const struct i2c_device_id rt298_i2c_id[] = {
1140 	{"rt298", 0},
1141 	{}
1142 };
1143 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1144 
1145 #ifdef CONFIG_ACPI
1146 static const struct acpi_device_id rt298_acpi_match[] = {
1147 	{ "INT343A", 0 },
1148 	{},
1149 };
1150 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1151 #endif
1152 
1153 static const struct dmi_system_id force_combo_jack_table[] = {
1154 	{
1155 		.ident = "Intel Broxton P",
1156 		.matches = {
1157 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1158 			DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1159 		}
1160 	},
1161 	{
1162 		.ident = "Intel Gemini Lake",
1163 		.matches = {
1164 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1165 			DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1166 		}
1167 	},
1168 	{
1169 		.ident = "Intel Kabylake R RVP",
1170 		.matches = {
1171 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
1172 			DMI_MATCH(DMI_PRODUCT_NAME, "Kabylake Client platform")
1173 		}
1174 	},
1175 	{ }
1176 };
1177 
1178 static int rt298_i2c_probe(struct i2c_client *i2c)
1179 {
1180 	struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1181 	struct rt298_priv *rt298;
1182 	struct device *dev = &i2c->dev;
1183 	const struct acpi_device_id *acpiid;
1184 	int i, ret;
1185 
1186 	rt298 = devm_kzalloc(&i2c->dev,	sizeof(*rt298),
1187 				GFP_KERNEL);
1188 	if (NULL == rt298)
1189 		return -ENOMEM;
1190 
1191 	rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1192 	if (IS_ERR(rt298->regmap)) {
1193 		ret = PTR_ERR(rt298->regmap);
1194 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1195 			ret);
1196 		return ret;
1197 	}
1198 
1199 	regmap_read(rt298->regmap,
1200 		RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1201 	if (ret != RT298_VENDOR_ID) {
1202 		dev_err(&i2c->dev,
1203 			"Device with ID register %#x is not rt298\n", ret);
1204 		return -ENODEV;
1205 	}
1206 
1207 	rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1208 					  sizeof(rt298_index_def), GFP_KERNEL);
1209 	if (!rt298->index_cache)
1210 		return -ENOMEM;
1211 
1212 	rt298->index_cache_size = INDEX_CACHE_SIZE;
1213 	rt298->i2c = i2c;
1214 	i2c_set_clientdata(i2c, rt298);
1215 
1216 	/* restore codec default */
1217 	for (i = 0; i < INDEX_CACHE_SIZE; i++)
1218 		regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1219 				rt298->index_cache[i].def);
1220 	for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1221 		regmap_write(rt298->regmap, rt298_reg[i].reg,
1222 				rt298_reg[i].def);
1223 
1224 	if (pdata)
1225 		rt298->pdata = *pdata;
1226 
1227 	/* enable jack combo mode on supported devices */
1228 	acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1229 	if (acpiid && acpiid->driver_data) {
1230 		rt298->pdata = *(struct rt298_platform_data *)
1231 				acpiid->driver_data;
1232 	}
1233 
1234 	if (dmi_check_system(force_combo_jack_table)) {
1235 		rt298->pdata.cbj_en = true;
1236 		rt298->pdata.gpio2_en = false;
1237 	}
1238 
1239 	/* VREF Charging */
1240 	regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1241 	regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1242 	/* Vref2 */
1243 	regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1244 
1245 	regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1246 
1247 	for (i = 0; i < RT298_POWER_REG_LEN; i++)
1248 		regmap_write(rt298->regmap,
1249 			RT298_SET_POWER(rt298_support_power_controls[i]),
1250 			AC_PWRST_D1);
1251 
1252 	if (!rt298->pdata.cbj_en) {
1253 		regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1254 		regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1255 		regmap_update_bits(rt298->regmap,
1256 					RT298_CBJ_CTRL1, 0xf000, 0xb000);
1257 	} else {
1258 		regmap_update_bits(rt298->regmap,
1259 					RT298_CBJ_CTRL1, 0xf000, 0x5000);
1260 	}
1261 
1262 	mdelay(10);
1263 
1264 	if (!rt298->pdata.gpio2_en)
1265 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1266 	else
1267 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1268 
1269 	mdelay(10);
1270 
1271 	regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1272 	regmap_update_bits(rt298->regmap,
1273 				RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1274 
1275 	regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1276 	regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1277 	regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1278 	regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1279 
1280 	rt298->is_hp_in = -1;
1281 
1282 	if (rt298->i2c->irq) {
1283 		ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1284 			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1285 		if (ret != 0) {
1286 			dev_err(&i2c->dev,
1287 				"Failed to request IRQ: %d\n", ret);
1288 			return ret;
1289 		}
1290 	}
1291 
1292 	ret = devm_snd_soc_register_component(&i2c->dev,
1293 				     &soc_component_dev_rt298,
1294 				     rt298_dai, ARRAY_SIZE(rt298_dai));
1295 
1296 	return ret;
1297 }
1298 
1299 static void rt298_i2c_remove(struct i2c_client *i2c)
1300 {
1301 	struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1302 
1303 	if (i2c->irq)
1304 		free_irq(i2c->irq, rt298);
1305 }
1306 
1307 
1308 static struct i2c_driver rt298_i2c_driver = {
1309 	.driver = {
1310 		   .name = "rt298",
1311 		   .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1312 		   },
1313 	.probe = rt298_i2c_probe,
1314 	.remove = rt298_i2c_remove,
1315 	.id_table = rt298_i2c_id,
1316 };
1317 
1318 module_i2c_driver(rt298_i2c_driver);
1319 
1320 MODULE_DESCRIPTION("ASoC RT298 driver");
1321 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1322 MODULE_LICENSE("GPL");
1323