xref: /linux/sound/soc/codecs/rt298.c (revision fcc8487d477a3452a1d0ccbdd4c5e0e1e3cb8bed)
1 /*
2  * rt298.c  --  RT298 ALSA SoC audio codec driver
3  *
4  * Copyright 2015 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/rt298.h>
32 
33 #include "rl6347a.h"
34 #include "rt298.h"
35 
36 #define RT298_VENDOR_ID 0x10ec0298
37 
38 struct rt298_priv {
39 	struct reg_default *index_cache;
40 	int index_cache_size;
41 	struct regmap *regmap;
42 	struct snd_soc_codec *codec;
43 	struct rt298_platform_data pdata;
44 	struct i2c_client *i2c;
45 	struct snd_soc_jack *jack;
46 	struct delayed_work jack_detect_work;
47 	int sys_clk;
48 	int clk_id;
49 	int is_hp_in;
50 };
51 
52 static const struct reg_default rt298_index_def[] = {
53 	{ 0x01, 0xa5a8 },
54 	{ 0x02, 0x8e95 },
55 	{ 0x03, 0x0002 },
56 	{ 0x04, 0xaf67 },
57 	{ 0x08, 0x200f },
58 	{ 0x09, 0xd010 },
59 	{ 0x0a, 0x0100 },
60 	{ 0x0b, 0x0000 },
61 	{ 0x0d, 0x2800 },
62 	{ 0x0f, 0x0022 },
63 	{ 0x19, 0x0217 },
64 	{ 0x20, 0x0020 },
65 	{ 0x33, 0x0208 },
66 	{ 0x46, 0x0300 },
67 	{ 0x49, 0x4004 },
68 	{ 0x4f, 0x50c9 },
69 	{ 0x50, 0x3000 },
70 	{ 0x63, 0x1b02 },
71 	{ 0x67, 0x1111 },
72 	{ 0x68, 0x1016 },
73 	{ 0x69, 0x273f },
74 };
75 #define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
76 
77 static const struct reg_default rt298_reg[] = {
78 	{ 0x00170500, 0x00000400 },
79 	{ 0x00220000, 0x00000031 },
80 	{ 0x00239000, 0x0000007f },
81 	{ 0x0023a000, 0x0000007f },
82 	{ 0x00270500, 0x00000400 },
83 	{ 0x00370500, 0x00000400 },
84 	{ 0x00870500, 0x00000400 },
85 	{ 0x00920000, 0x00000031 },
86 	{ 0x00935000, 0x000000c3 },
87 	{ 0x00936000, 0x000000c3 },
88 	{ 0x00970500, 0x00000400 },
89 	{ 0x00b37000, 0x00000097 },
90 	{ 0x00b37200, 0x00000097 },
91 	{ 0x00b37300, 0x00000097 },
92 	{ 0x00c37000, 0x00000000 },
93 	{ 0x00c37100, 0x00000080 },
94 	{ 0x01270500, 0x00000400 },
95 	{ 0x01370500, 0x00000400 },
96 	{ 0x01371f00, 0x411111f0 },
97 	{ 0x01439000, 0x00000080 },
98 	{ 0x0143a000, 0x00000080 },
99 	{ 0x01470700, 0x00000000 },
100 	{ 0x01470500, 0x00000400 },
101 	{ 0x01470c00, 0x00000000 },
102 	{ 0x01470100, 0x00000000 },
103 	{ 0x01837000, 0x00000000 },
104 	{ 0x01870500, 0x00000400 },
105 	{ 0x02050000, 0x00000000 },
106 	{ 0x02139000, 0x00000080 },
107 	{ 0x0213a000, 0x00000080 },
108 	{ 0x02170100, 0x00000000 },
109 	{ 0x02170500, 0x00000400 },
110 	{ 0x02170700, 0x00000000 },
111 	{ 0x02270100, 0x00000000 },
112 	{ 0x02370100, 0x00000000 },
113 	{ 0x01870700, 0x00000020 },
114 	{ 0x00830000, 0x000000c3 },
115 	{ 0x00930000, 0x000000c3 },
116 	{ 0x01270700, 0x00000000 },
117 };
118 
119 static bool rt298_volatile_register(struct device *dev, unsigned int reg)
120 {
121 	switch (reg) {
122 	case 0 ... 0xff:
123 	case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
124 	case RT298_GET_HP_SENSE:
125 	case RT298_GET_MIC1_SENSE:
126 	case RT298_PROC_COEF:
127 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
128 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
129 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
130 		return true;
131 	default:
132 		return false;
133 	}
134 
135 
136 }
137 
138 static bool rt298_readable_register(struct device *dev, unsigned int reg)
139 {
140 	switch (reg) {
141 	case 0 ... 0xff:
142 	case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
143 	case RT298_GET_HP_SENSE:
144 	case RT298_GET_MIC1_SENSE:
145 	case RT298_SET_AUDIO_POWER:
146 	case RT298_SET_HPO_POWER:
147 	case RT298_SET_SPK_POWER:
148 	case RT298_SET_DMIC1_POWER:
149 	case RT298_SPK_MUX:
150 	case RT298_HPO_MUX:
151 	case RT298_ADC0_MUX:
152 	case RT298_ADC1_MUX:
153 	case RT298_SET_MIC1:
154 	case RT298_SET_PIN_HPO:
155 	case RT298_SET_PIN_SPK:
156 	case RT298_SET_PIN_DMIC1:
157 	case RT298_SPK_EAPD:
158 	case RT298_SET_AMP_GAIN_HPO:
159 	case RT298_SET_DMIC2_DEFAULT:
160 	case RT298_DACL_GAIN:
161 	case RT298_DACR_GAIN:
162 	case RT298_ADCL_GAIN:
163 	case RT298_ADCR_GAIN:
164 	case RT298_MIC_GAIN:
165 	case RT298_SPOL_GAIN:
166 	case RT298_SPOR_GAIN:
167 	case RT298_HPOL_GAIN:
168 	case RT298_HPOR_GAIN:
169 	case RT298_F_DAC_SWITCH:
170 	case RT298_F_RECMIX_SWITCH:
171 	case RT298_REC_MIC_SWITCH:
172 	case RT298_REC_I2S_SWITCH:
173 	case RT298_REC_LINE_SWITCH:
174 	case RT298_REC_BEEP_SWITCH:
175 	case RT298_DAC_FORMAT:
176 	case RT298_ADC_FORMAT:
177 	case RT298_COEF_INDEX:
178 	case RT298_PROC_COEF:
179 	case RT298_SET_AMP_GAIN_ADC_IN1:
180 	case RT298_SET_AMP_GAIN_ADC_IN2:
181 	case RT298_SET_POWER(RT298_DAC_OUT1):
182 	case RT298_SET_POWER(RT298_DAC_OUT2):
183 	case RT298_SET_POWER(RT298_ADC_IN1):
184 	case RT298_SET_POWER(RT298_ADC_IN2):
185 	case RT298_SET_POWER(RT298_DMIC2):
186 	case RT298_SET_POWER(RT298_MIC1):
187 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
188 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
189 	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
190 		return true;
191 	default:
192 		return false;
193 	}
194 }
195 
196 #ifdef CONFIG_PM
197 static void rt298_index_sync(struct snd_soc_codec *codec)
198 {
199 	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
200 	int i;
201 
202 	for (i = 0; i < INDEX_CACHE_SIZE; i++) {
203 		snd_soc_write(codec, rt298->index_cache[i].reg,
204 				  rt298->index_cache[i].def);
205 	}
206 }
207 #endif
208 
209 static int rt298_support_power_controls[] = {
210 	RT298_DAC_OUT1,
211 	RT298_DAC_OUT2,
212 	RT298_ADC_IN1,
213 	RT298_ADC_IN2,
214 	RT298_MIC1,
215 	RT298_DMIC1,
216 	RT298_DMIC2,
217 	RT298_SPK_OUT,
218 	RT298_HP_OUT,
219 };
220 #define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
221 
222 static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
223 {
224 	struct snd_soc_dapm_context *dapm;
225 	unsigned int val, buf;
226 
227 	*hp = false;
228 	*mic = false;
229 
230 	if (!rt298->codec)
231 		return -EINVAL;
232 
233 	dapm = snd_soc_codec_get_dapm(rt298->codec);
234 
235 	if (rt298->pdata.cbj_en) {
236 		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
237 		*hp = buf & 0x80000000;
238 		if (*hp == rt298->is_hp_in)
239 			return -1;
240 		rt298->is_hp_in = *hp;
241 		if (*hp) {
242 			/* power on HV,VERF */
243 			regmap_update_bits(rt298->regmap,
244 				RT298_DC_GAIN, 0x200, 0x200);
245 
246 			snd_soc_dapm_force_enable_pin(dapm, "HV");
247 			snd_soc_dapm_force_enable_pin(dapm, "VREF");
248 			/* power LDO1 */
249 			snd_soc_dapm_force_enable_pin(dapm, "LDO1");
250 			snd_soc_dapm_sync(dapm);
251 
252 			regmap_update_bits(rt298->regmap,
253 				RT298_POWER_CTRL1, 0x1001, 0);
254 			regmap_update_bits(rt298->regmap,
255 				RT298_POWER_CTRL2, 0x4, 0x4);
256 
257 			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
258 			msleep(50);
259 
260 			regmap_update_bits(rt298->regmap,
261 				RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
262 			msleep(300);
263 			regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
264 
265 			if (0x0070 == (val & 0x0070)) {
266 				*mic = true;
267 			} else {
268 				regmap_update_bits(rt298->regmap,
269 					RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
270 				msleep(300);
271 				regmap_read(rt298->regmap,
272 					RT298_CBJ_CTRL2, &val);
273 				if (0x0070 == (val & 0x0070))
274 					*mic = true;
275 				else
276 					*mic = false;
277 			}
278 			regmap_update_bits(rt298->regmap,
279 				RT298_DC_GAIN, 0x200, 0x0);
280 
281 		} else {
282 			*mic = false;
283 			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
284 			regmap_update_bits(rt298->regmap,
285 				RT298_CBJ_CTRL1, 0x0400, 0x0000);
286 		}
287 	} else {
288 		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
289 		*hp = buf & 0x80000000;
290 		regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
291 		*mic = buf & 0x80000000;
292 	}
293 
294 	snd_soc_dapm_disable_pin(dapm, "HV");
295 	snd_soc_dapm_disable_pin(dapm, "VREF");
296 	if (!*hp)
297 		snd_soc_dapm_disable_pin(dapm, "LDO1");
298 	snd_soc_dapm_sync(dapm);
299 
300 	pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
301 
302 	return 0;
303 }
304 
305 static void rt298_jack_detect_work(struct work_struct *work)
306 {
307 	struct rt298_priv *rt298 =
308 		container_of(work, struct rt298_priv, jack_detect_work.work);
309 	int status = 0;
310 	bool hp = false;
311 	bool mic = false;
312 
313 	if (rt298_jack_detect(rt298, &hp, &mic) < 0)
314 		return;
315 
316 	if (hp == true)
317 		status |= SND_JACK_HEADPHONE;
318 
319 	if (mic == true)
320 		status |= SND_JACK_MICROPHONE;
321 
322 	snd_soc_jack_report(rt298->jack, status,
323 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
324 }
325 
326 int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
327 {
328 	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
329 	struct snd_soc_dapm_context *dapm;
330 	bool hp = false;
331 	bool mic = false;
332 	int status = 0;
333 
334 	/* If jack in NULL, disable HS jack */
335 	if (!jack) {
336 		regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
337 		dapm = snd_soc_codec_get_dapm(codec);
338 		snd_soc_dapm_disable_pin(dapm, "LDO1");
339 		snd_soc_dapm_sync(dapm);
340 		return 0;
341 	}
342 
343 	rt298->jack = jack;
344 	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
345 
346 	rt298_jack_detect(rt298, &hp, &mic);
347 	if (hp == true)
348 		status |= SND_JACK_HEADPHONE;
349 
350 	if (mic == true)
351 		status |= SND_JACK_MICROPHONE;
352 
353 	snd_soc_jack_report(rt298->jack, status,
354 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
355 
356 	return 0;
357 }
358 EXPORT_SYMBOL_GPL(rt298_mic_detect);
359 
360 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
361 			 struct snd_soc_dapm_widget *sink)
362 {
363 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
364 	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
365 
366 	if (rt298->clk_id == RT298_SCLK_S_MCLK)
367 		return 1;
368 	else
369 		return 0;
370 }
371 
372 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
373 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
374 
375 static const struct snd_kcontrol_new rt298_snd_controls[] = {
376 	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
377 			    RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
378 	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
379 			    RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
380 	SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
381 			    0, 0x3, 0, mic_vol_tlv),
382 	SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
383 			    RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
384 };
385 
386 /* Digital Mixer */
387 static const struct snd_kcontrol_new rt298_front_mix[] = {
388 	SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
389 			RT298_MUTE_SFT, 1, 1),
390 	SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
391 			RT298_MUTE_SFT, 1, 1),
392 };
393 
394 /* Analog Input Mixer */
395 static const struct snd_kcontrol_new rt298_rec_mix[] = {
396 	SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
397 			RT298_MUTE_SFT, 1, 1),
398 	SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
399 			RT298_MUTE_SFT, 1, 1),
400 	SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
401 			RT298_MUTE_SFT, 1, 1),
402 	SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
403 			RT298_MUTE_SFT, 1, 1),
404 };
405 
406 static const struct snd_kcontrol_new spo_enable_control =
407 	SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
408 			RT298_SET_PIN_SFT, 1, 0);
409 
410 static const struct snd_kcontrol_new hpol_enable_control =
411 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
412 			RT298_MUTE_SFT, 1, 1);
413 
414 static const struct snd_kcontrol_new hpor_enable_control =
415 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
416 			RT298_MUTE_SFT, 1, 1);
417 
418 /* ADC0 source */
419 static const char * const rt298_adc_src[] = {
420 	"Mic", "RECMIX", "Dmic"
421 };
422 
423 static const int rt298_adc_values[] = {
424 	0, 4, 5,
425 };
426 
427 static SOC_VALUE_ENUM_SINGLE_DECL(
428 	rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
429 	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
430 
431 static const struct snd_kcontrol_new rt298_adc0_mux =
432 	SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
433 
434 static SOC_VALUE_ENUM_SINGLE_DECL(
435 	rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
436 	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
437 
438 static const struct snd_kcontrol_new rt298_adc1_mux =
439 	SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
440 
441 static const char * const rt298_dac_src[] = {
442 	"Front", "Surround"
443 };
444 /* HP-OUT source */
445 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
446 				0, rt298_dac_src);
447 
448 static const struct snd_kcontrol_new rt298_hpo_mux =
449 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
450 
451 /* SPK-OUT source */
452 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
453 				0, rt298_dac_src);
454 
455 static const struct snd_kcontrol_new rt298_spo_mux =
456 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
457 
458 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
459 			    struct snd_kcontrol *kcontrol, int event)
460 {
461 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
462 
463 	switch (event) {
464 	case SND_SOC_DAPM_POST_PMU:
465 		snd_soc_write(codec,
466 			RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
467 		break;
468 	case SND_SOC_DAPM_PRE_PMD:
469 		snd_soc_write(codec,
470 			RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
471 		break;
472 
473 	default:
474 		return 0;
475 	}
476 
477 	return 0;
478 }
479 
480 static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
481 				  struct snd_kcontrol *kcontrol, int event)
482 {
483 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
484 
485 	switch (event) {
486 	case SND_SOC_DAPM_POST_PMU:
487 		snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0x20);
488 		break;
489 	case SND_SOC_DAPM_PRE_PMD:
490 		snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0);
491 		break;
492 	default:
493 		return 0;
494 	}
495 
496 	return 0;
497 }
498 
499 static int rt298_adc_event(struct snd_soc_dapm_widget *w,
500 			     struct snd_kcontrol *kcontrol, int event)
501 {
502 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
503 	unsigned int nid;
504 
505 	nid = (w->reg >> 20) & 0xff;
506 
507 	switch (event) {
508 	case SND_SOC_DAPM_POST_PMU:
509 		snd_soc_update_bits(codec,
510 			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
511 			0x7080, 0x7000);
512 		 /* If MCLK doesn't exist, reset AD filter */
513 		if (!(snd_soc_read(codec, RT298_VAD_CTRL) & 0x200)) {
514 			pr_info("NO MCLK\n");
515 			switch (nid) {
516 			case RT298_ADC_IN1:
517 				snd_soc_update_bits(codec,
518 					RT298_D_FILTER_CTRL, 0x2, 0x2);
519 				mdelay(10);
520 				snd_soc_update_bits(codec,
521 					RT298_D_FILTER_CTRL, 0x2, 0x0);
522 				break;
523 			case RT298_ADC_IN2:
524 				snd_soc_update_bits(codec,
525 					RT298_D_FILTER_CTRL, 0x4, 0x4);
526 				mdelay(10);
527 				snd_soc_update_bits(codec,
528 					RT298_D_FILTER_CTRL, 0x4, 0x0);
529 				break;
530 			}
531 		}
532 		break;
533 	case SND_SOC_DAPM_PRE_PMD:
534 		snd_soc_update_bits(codec,
535 			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
536 			0x7080, 0x7080);
537 		break;
538 	default:
539 		return 0;
540 	}
541 
542 	return 0;
543 }
544 
545 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
546 			     struct snd_kcontrol *kcontrol, int event)
547 {
548 	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
549 
550 	switch (event) {
551 	case SND_SOC_DAPM_PRE_PMU:
552 		snd_soc_update_bits(codec,
553 			RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
554 		snd_soc_update_bits(codec,
555 			RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
556 		break;
557 	case SND_SOC_DAPM_POST_PMD:
558 		snd_soc_update_bits(codec,
559 			RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
560 		snd_soc_update_bits(codec,
561 			RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
562 		break;
563 	default:
564 		return 0;
565 	}
566 
567 	return 0;
568 }
569 
570 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
571 
572 	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
573 		12, 1, NULL, 0),
574 	SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
575 		0, 1, NULL, 0),
576 	SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
577 		1, 0, NULL, 0),
578 	SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
579 		2, 0, NULL, 0),
580 	SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
581 		3, 0, NULL, 0),
582 	SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
583 		4, 1, NULL, 0),
584 	SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
585 		13, 1, NULL, 0),
586 
587 
588 	SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
589 		5, 0, NULL, 0),
590 	SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
591 		0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
592 		SND_SOC_DAPM_POST_PMD),
593 
594 	/* Input Lines */
595 	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
596 	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
597 	SND_SOC_DAPM_INPUT("MIC1"),
598 	SND_SOC_DAPM_INPUT("LINE1"),
599 	SND_SOC_DAPM_INPUT("Beep"),
600 
601 	/* DMIC */
602 	SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
603 		NULL, 0, rt298_set_dmic1_event,
604 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
605 	SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
606 		NULL, 0),
607 	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
608 		0, 0, NULL, 0),
609 
610 	/* REC Mixer */
611 	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
612 		rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
613 
614 	/* ADCs */
615 	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
616 	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
617 
618 	/* ADC Mux */
619 	SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
620 		&rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
621 		SND_SOC_DAPM_POST_PMU),
622 	SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
623 		&rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
624 		SND_SOC_DAPM_POST_PMU),
625 
626 	/* Audio Interface */
627 	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
628 	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
629 	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
630 	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
631 
632 	/* Output Side */
633 	/* DACs */
634 	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
635 	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
636 
637 	/* Output Mux */
638 	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
639 	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
640 
641 	SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
642 		RT298_SET_PIN_SFT, 0, NULL, 0),
643 
644 	/* Output Mixer */
645 	SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
646 			rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
647 	SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
648 			NULL, 0),
649 
650 	/* Output Pga */
651 	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
652 		&spo_enable_control, rt298_spk_event,
653 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
654 	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
655 		&hpol_enable_control),
656 	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
657 		&hpor_enable_control),
658 
659 	/* Output Lines */
660 	SND_SOC_DAPM_OUTPUT("SPOL"),
661 	SND_SOC_DAPM_OUTPUT("SPOR"),
662 	SND_SOC_DAPM_OUTPUT("HPO Pin"),
663 	SND_SOC_DAPM_OUTPUT("SPDIF"),
664 };
665 
666 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
667 
668 	{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
669 	{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
670 	{"Front", NULL, "MCLK MODE", is_mclk_mode},
671 	{"Surround", NULL, "MCLK MODE", is_mclk_mode},
672 
673 	{"HP Power", NULL, "LDO1"},
674 	{"HP Power", NULL, "LDO2"},
675 	{"HP Power", NULL, "LV"},
676 	{"HP Power", NULL, "VREF1"},
677 	{"HP Power", NULL, "BG_MBIAS"},
678 
679 	{"MIC1", NULL, "LDO1"},
680 	{"MIC1", NULL, "LDO2"},
681 	{"MIC1", NULL, "HV"},
682 	{"MIC1", NULL, "LV"},
683 	{"MIC1", NULL, "VREF"},
684 	{"MIC1", NULL, "VREF1"},
685 	{"MIC1", NULL, "BG_MBIAS"},
686 	{"MIC1", NULL, "MIC1 Input Buffer"},
687 
688 	{"SPO", NULL, "LDO1"},
689 	{"SPO", NULL, "LDO2"},
690 	{"SPO", NULL, "HV"},
691 	{"SPO", NULL, "LV"},
692 	{"SPO", NULL, "VREF"},
693 	{"SPO", NULL, "VREF1"},
694 	{"SPO", NULL, "BG_MBIAS"},
695 
696 	{"DMIC1", NULL, "DMIC1 Pin"},
697 	{"DMIC2", NULL, "DMIC2 Pin"},
698 	{"DMIC1", NULL, "DMIC Receiver"},
699 	{"DMIC2", NULL, "DMIC Receiver"},
700 
701 	{"RECMIX", "Beep Switch", "Beep"},
702 	{"RECMIX", "Line1 Switch", "LINE1"},
703 	{"RECMIX", "Mic1 Switch", "MIC1"},
704 
705 	{"ADC 0 Mux", "Dmic", "DMIC1"},
706 	{"ADC 0 Mux", "RECMIX", "RECMIX"},
707 	{"ADC 0 Mux", "Mic", "MIC1"},
708 	{"ADC 1 Mux", "Dmic", "DMIC2"},
709 	{"ADC 1 Mux", "RECMIX", "RECMIX"},
710 	{"ADC 1 Mux", "Mic", "MIC1"},
711 
712 	{"ADC 0", NULL, "ADC 0 Mux"},
713 	{"ADC 1", NULL, "ADC 1 Mux"},
714 
715 	{"AIF1TX", NULL, "ADC 0"},
716 	{"AIF2TX", NULL, "ADC 1"},
717 
718 	{"DAC 0", NULL, "AIF1RX"},
719 	{"DAC 1", NULL, "AIF2RX"},
720 
721 	{"Front", "DAC Switch", "DAC 0"},
722 	{"Front", "RECMIX Switch", "RECMIX"},
723 
724 	{"Surround", NULL, "DAC 1"},
725 
726 	{"SPK Mux", "Front", "Front"},
727 	{"SPK Mux", "Surround", "Surround"},
728 
729 	{"HPO Mux", "Front", "Front"},
730 	{"HPO Mux", "Surround", "Surround"},
731 
732 	{"SPO", "Switch", "SPK Mux"},
733 	{"HPO L", "Switch", "HPO Mux"},
734 	{"HPO R", "Switch", "HPO Mux"},
735 	{"HPO L", NULL, "HP Power"},
736 	{"HPO R", NULL, "HP Power"},
737 
738 	{"SPOL", NULL, "SPO"},
739 	{"SPOR", NULL, "SPO"},
740 	{"HPO Pin", NULL, "HPO L"},
741 	{"HPO Pin", NULL, "HPO R"},
742 };
743 
744 static int rt298_hw_params(struct snd_pcm_substream *substream,
745 			    struct snd_pcm_hw_params *params,
746 			    struct snd_soc_dai *dai)
747 {
748 	struct snd_soc_codec *codec = dai->codec;
749 	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
750 	unsigned int val = 0;
751 	int d_len_code;
752 
753 	switch (params_rate(params)) {
754 	/* bit 14 0:48K 1:44.1K */
755 	case 44100:
756 	case 48000:
757 		break;
758 	default:
759 		dev_err(codec->dev, "Unsupported sample rate %d\n",
760 					params_rate(params));
761 		return -EINVAL;
762 	}
763 	switch (rt298->sys_clk) {
764 	case 12288000:
765 	case 24576000:
766 		if (params_rate(params) != 48000) {
767 			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
768 					params_rate(params), rt298->sys_clk);
769 			return -EINVAL;
770 		}
771 		break;
772 	case 11289600:
773 	case 22579200:
774 		if (params_rate(params) != 44100) {
775 			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
776 					params_rate(params), rt298->sys_clk);
777 			return -EINVAL;
778 		}
779 		break;
780 	}
781 
782 	if (params_channels(params) <= 16) {
783 		/* bit 3:0 Number of Channel */
784 		val |= (params_channels(params) - 1);
785 	} else {
786 		dev_err(codec->dev, "Unsupported channels %d\n",
787 					params_channels(params));
788 		return -EINVAL;
789 	}
790 
791 	d_len_code = 0;
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_update_bits(codec,
818 		RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
819 	dev_dbg(codec->dev, "format val = 0x%x\n", val);
820 
821 	snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
822 	snd_soc_update_bits(codec, 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_codec *codec = dai->codec;
830 
831 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
832 	case SND_SOC_DAIFMT_CBM_CFM:
833 		snd_soc_update_bits(codec,
834 			RT298_I2S_CTRL1, 0x800, 0x800);
835 		break;
836 	case SND_SOC_DAIFMT_CBS_CFS:
837 		snd_soc_update_bits(codec,
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_update_bits(codec,
847 			RT298_I2S_CTRL1, 0x300, 0x0);
848 		break;
849 	case SND_SOC_DAIFMT_LEFT_J:
850 		snd_soc_update_bits(codec,
851 			RT298_I2S_CTRL1, 0x300, 0x1 << 8);
852 		break;
853 	case SND_SOC_DAIFMT_DSP_A:
854 		snd_soc_update_bits(codec,
855 			RT298_I2S_CTRL1, 0x300, 0x2 << 8);
856 		break;
857 	case SND_SOC_DAIFMT_DSP_B:
858 		snd_soc_update_bits(codec,
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_update_bits(codec, RT298_DAC_FORMAT, 0x8000, 0);
866 	snd_soc_update_bits(codec, 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_codec *codec = dai->codec;
875 	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
876 
877 	dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
878 
879 	if (RT298_SCLK_S_MCLK == clk_id) {
880 		snd_soc_update_bits(codec,
881 			RT298_I2S_CTRL2, 0x0100, 0x0);
882 		snd_soc_update_bits(codec,
883 			RT298_PLL_CTRL1, 0x20, 0x20);
884 	} else {
885 		snd_soc_update_bits(codec,
886 			RT298_I2S_CTRL2, 0x0100, 0x0100);
887 		snd_soc_update_bits(codec,
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(codec->dev, "Should not use MCLK\n");
895 			return -EINVAL;
896 		}
897 		snd_soc_update_bits(codec,
898 			RT298_I2S_CTRL2, 0x40, 0x40);
899 		break;
900 	case 24000000:
901 		if (RT298_SCLK_S_MCLK == clk_id) {
902 			dev_err(codec->dev, "Should not use MCLK\n");
903 			return -EINVAL;
904 		}
905 		snd_soc_update_bits(codec,
906 			RT298_I2S_CTRL2, 0x40, 0x0);
907 		break;
908 	case 12288000:
909 	case 11289600:
910 		snd_soc_update_bits(codec,
911 			RT298_I2S_CTRL2, 0x8, 0x0);
912 		snd_soc_update_bits(codec,
913 			RT298_CLK_DIV, 0xfc1e, 0x0004);
914 		break;
915 	case 24576000:
916 	case 22579200:
917 		snd_soc_update_bits(codec,
918 			RT298_I2S_CTRL2, 0x8, 0x8);
919 		snd_soc_update_bits(codec,
920 			RT298_CLK_DIV, 0xfc1e, 0x5406);
921 		break;
922 	default:
923 		dev_err(codec->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_codec *codec = dai->codec;
936 
937 	dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
938 	if (50 == ratio)
939 		snd_soc_update_bits(codec,
940 			RT298_I2S_CTRL1, 0x1000, 0x1000);
941 	else
942 		snd_soc_update_bits(codec,
943 			RT298_I2S_CTRL1, 0x1000, 0x0);
944 
945 
946 	return 0;
947 }
948 
949 static int rt298_set_bias_level(struct snd_soc_codec *codec,
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_codec_get_bias_level(codec)) {
956 			snd_soc_write(codec,
957 				RT298_SET_AUDIO_POWER, AC_PWRST_D0);
958 			snd_soc_update_bits(codec, 0x0d, 0x200, 0x200);
959 			snd_soc_update_bits(codec, 0x52, 0x80, 0x0);
960 			mdelay(20);
961 			snd_soc_update_bits(codec, 0x0d, 0x200, 0x0);
962 			snd_soc_update_bits(codec, 0x52, 0x80, 0x80);
963 		}
964 		break;
965 
966 	case SND_SOC_BIAS_STANDBY:
967 		snd_soc_write(codec,
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 == true)
992 			status |= SND_JACK_HEADPHONE;
993 
994 		if (mic == true)
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_codec *codec)
1007 {
1008 	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1009 
1010 	rt298->codec = codec;
1011 
1012 	if (rt298->i2c->irq) {
1013 		regmap_update_bits(rt298->regmap,
1014 					RT298_IRQ_CTRL, 0x2, 0x2);
1015 
1016 		INIT_DELAYED_WORK(&rt298->jack_detect_work,
1017 					rt298_jack_detect_work);
1018 		schedule_delayed_work(&rt298->jack_detect_work,
1019 					msecs_to_jiffies(1250));
1020 	}
1021 
1022 	return 0;
1023 }
1024 
1025 static int rt298_remove(struct snd_soc_codec *codec)
1026 {
1027 	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1028 
1029 	cancel_delayed_work_sync(&rt298->jack_detect_work);
1030 
1031 	return 0;
1032 }
1033 
1034 #ifdef CONFIG_PM
1035 static int rt298_suspend(struct snd_soc_codec *codec)
1036 {
1037 	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1038 
1039 	rt298->is_hp_in = -1;
1040 	regcache_cache_only(rt298->regmap, true);
1041 	regcache_mark_dirty(rt298->regmap);
1042 
1043 	return 0;
1044 }
1045 
1046 static int rt298_resume(struct snd_soc_codec *codec)
1047 {
1048 	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1049 
1050 	regcache_cache_only(rt298->regmap, false);
1051 	rt298_index_sync(codec);
1052 	regcache_sync(rt298->regmap);
1053 
1054 	return 0;
1055 }
1056 #else
1057 #define rt298_suspend NULL
1058 #define rt298_resume NULL
1059 #endif
1060 
1061 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1062 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1063 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1064 
1065 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1066 	.hw_params = rt298_hw_params,
1067 	.set_fmt = rt298_set_dai_fmt,
1068 	.set_sysclk = rt298_set_dai_sysclk,
1069 	.set_bclk_ratio = rt298_set_bclk_ratio,
1070 };
1071 
1072 static struct snd_soc_dai_driver rt298_dai[] = {
1073 	{
1074 		.name = "rt298-aif1",
1075 		.id = RT298_AIF1,
1076 		.playback = {
1077 			.stream_name = "AIF1 Playback",
1078 			.channels_min = 1,
1079 			.channels_max = 2,
1080 			.rates = RT298_STEREO_RATES,
1081 			.formats = RT298_FORMATS,
1082 		},
1083 		.capture = {
1084 			.stream_name = "AIF1 Capture",
1085 			.channels_min = 1,
1086 			.channels_max = 2,
1087 			.rates = RT298_STEREO_RATES,
1088 			.formats = RT298_FORMATS,
1089 		},
1090 		.ops = &rt298_aif_dai_ops,
1091 		.symmetric_rates = 1,
1092 	},
1093 	{
1094 		.name = "rt298-aif2",
1095 		.id = RT298_AIF2,
1096 		.playback = {
1097 			.stream_name = "AIF2 Playback",
1098 			.channels_min = 1,
1099 			.channels_max = 2,
1100 			.rates = RT298_STEREO_RATES,
1101 			.formats = RT298_FORMATS,
1102 		},
1103 		.capture = {
1104 			.stream_name = "AIF2 Capture",
1105 			.channels_min = 1,
1106 			.channels_max = 2,
1107 			.rates = RT298_STEREO_RATES,
1108 			.formats = RT298_FORMATS,
1109 		},
1110 		.ops = &rt298_aif_dai_ops,
1111 		.symmetric_rates = 1,
1112 	},
1113 
1114 };
1115 
1116 static struct snd_soc_codec_driver soc_codec_dev_rt298 = {
1117 	.probe = rt298_probe,
1118 	.remove = rt298_remove,
1119 	.suspend = rt298_suspend,
1120 	.resume = rt298_resume,
1121 	.set_bias_level = rt298_set_bias_level,
1122 	.idle_bias_off = true,
1123 	.component_driver = {
1124 		.controls		= rt298_snd_controls,
1125 		.num_controls		= ARRAY_SIZE(rt298_snd_controls),
1126 		.dapm_widgets		= rt298_dapm_widgets,
1127 		.num_dapm_widgets	= ARRAY_SIZE(rt298_dapm_widgets),
1128 		.dapm_routes		= rt298_dapm_routes,
1129 		.num_dapm_routes	= ARRAY_SIZE(rt298_dapm_routes),
1130 	},
1131 };
1132 
1133 static const struct regmap_config rt298_regmap = {
1134 	.reg_bits = 32,
1135 	.val_bits = 32,
1136 	.max_register = 0x02370100,
1137 	.volatile_reg = rt298_volatile_register,
1138 	.readable_reg = rt298_readable_register,
1139 	.reg_write = rl6347a_hw_write,
1140 	.reg_read = rl6347a_hw_read,
1141 	.cache_type = REGCACHE_RBTREE,
1142 	.reg_defaults = rt298_reg,
1143 	.num_reg_defaults = ARRAY_SIZE(rt298_reg),
1144 };
1145 
1146 static const struct i2c_device_id rt298_i2c_id[] = {
1147 	{"rt298", 0},
1148 	{}
1149 };
1150 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1151 
1152 static const struct acpi_device_id rt298_acpi_match[] = {
1153 	{ "INT343A", 0 },
1154 	{},
1155 };
1156 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1157 
1158 static const struct dmi_system_id force_combo_jack_table[] = {
1159 	{
1160 		.ident = "Intel Broxton P",
1161 		.matches = {
1162 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1163 			DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1164 		}
1165 	},
1166 	{
1167 		.ident = "Intel Gemini Lake",
1168 		.matches = {
1169 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1170 			DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1171 		}
1172 	},
1173 	{ }
1174 };
1175 
1176 static int rt298_i2c_probe(struct i2c_client *i2c,
1177 			   const struct i2c_device_id *id)
1178 {
1179 	struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1180 	struct rt298_priv *rt298;
1181 	struct device *dev = &i2c->dev;
1182 	const struct acpi_device_id *acpiid;
1183 	int i, ret;
1184 
1185 	rt298 = devm_kzalloc(&i2c->dev,	sizeof(*rt298),
1186 				GFP_KERNEL);
1187 	if (NULL == rt298)
1188 		return -ENOMEM;
1189 
1190 	rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1191 	if (IS_ERR(rt298->regmap)) {
1192 		ret = PTR_ERR(rt298->regmap);
1193 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1194 			ret);
1195 		return ret;
1196 	}
1197 
1198 	regmap_read(rt298->regmap,
1199 		RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1200 	if (ret != RT298_VENDOR_ID) {
1201 		dev_err(&i2c->dev,
1202 			"Device with ID register %#x is not rt298\n", ret);
1203 		return -ENODEV;
1204 	}
1205 
1206 	rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1207 					  sizeof(rt298_index_def), GFP_KERNEL);
1208 	if (!rt298->index_cache)
1209 		return -ENOMEM;
1210 
1211 	rt298->index_cache_size = INDEX_CACHE_SIZE;
1212 	rt298->i2c = i2c;
1213 	i2c_set_clientdata(i2c, rt298);
1214 
1215 	/* restore codec default */
1216 	for (i = 0; i < INDEX_CACHE_SIZE; i++)
1217 		regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1218 				rt298->index_cache[i].def);
1219 	for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1220 		regmap_write(rt298->regmap, rt298_reg[i].reg,
1221 				rt298_reg[i].def);
1222 
1223 	if (pdata)
1224 		rt298->pdata = *pdata;
1225 
1226 	/* enable jack combo mode on supported devices */
1227 	acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1228 	if (acpiid && acpiid->driver_data) {
1229 		rt298->pdata = *(struct rt298_platform_data *)
1230 				acpiid->driver_data;
1231 	}
1232 
1233 	if (dmi_check_system(force_combo_jack_table)) {
1234 		rt298->pdata.cbj_en = true;
1235 		rt298->pdata.gpio2_en = false;
1236 	}
1237 
1238 	/* VREF Charging */
1239 	regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1240 	regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1241 	/* Vref2 */
1242 	regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1243 
1244 	regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1245 
1246 	for (i = 0; i < RT298_POWER_REG_LEN; i++)
1247 		regmap_write(rt298->regmap,
1248 			RT298_SET_POWER(rt298_support_power_controls[i]),
1249 			AC_PWRST_D1);
1250 
1251 	if (!rt298->pdata.cbj_en) {
1252 		regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1253 		regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1254 		regmap_update_bits(rt298->regmap,
1255 					RT298_CBJ_CTRL1, 0xf000, 0xb000);
1256 	} else {
1257 		regmap_update_bits(rt298->regmap,
1258 					RT298_CBJ_CTRL1, 0xf000, 0x5000);
1259 	}
1260 
1261 	mdelay(10);
1262 
1263 	if (!rt298->pdata.gpio2_en)
1264 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1265 	else
1266 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1267 
1268 	mdelay(10);
1269 
1270 	regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1271 	regmap_update_bits(rt298->regmap,
1272 				RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1273 
1274 	regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1275 	regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1276 	regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1277 	regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1278 
1279 	rt298->is_hp_in = -1;
1280 
1281 	if (rt298->i2c->irq) {
1282 		ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1283 			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1284 		if (ret != 0) {
1285 			dev_err(&i2c->dev,
1286 				"Failed to reguest IRQ: %d\n", ret);
1287 			return ret;
1288 		}
1289 	}
1290 
1291 	ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
1292 				     rt298_dai, ARRAY_SIZE(rt298_dai));
1293 
1294 	return ret;
1295 }
1296 
1297 static int rt298_i2c_remove(struct i2c_client *i2c)
1298 {
1299 	struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1300 
1301 	if (i2c->irq)
1302 		free_irq(i2c->irq, rt298);
1303 	snd_soc_unregister_codec(&i2c->dev);
1304 
1305 	return 0;
1306 }
1307 
1308 
1309 static struct i2c_driver rt298_i2c_driver = {
1310 	.driver = {
1311 		   .name = "rt298",
1312 		   .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1313 		   },
1314 	.probe = rt298_i2c_probe,
1315 	.remove = rt298_i2c_remove,
1316 	.id_table = rt298_i2c_id,
1317 };
1318 
1319 module_i2c_driver(rt298_i2c_driver);
1320 
1321 MODULE_DESCRIPTION("ASoC RT298 driver");
1322 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1323 MODULE_LICENSE("GPL");
1324