xref: /openbmc/linux/sound/soc/codecs/rt298.c (revision 5b448065)
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 int rt298_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack)
330 {
331 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
332 	struct snd_soc_dapm_context *dapm;
333 	bool hp = false;
334 	bool mic = false;
335 	int status = 0;
336 
337 	/* If jack in NULL, disable HS jack */
338 	if (!jack) {
339 		regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
340 		dapm = snd_soc_component_get_dapm(component);
341 		snd_soc_dapm_disable_pin(dapm, "LDO1");
342 		snd_soc_dapm_sync(dapm);
343 		return 0;
344 	}
345 
346 	rt298->jack = jack;
347 	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
348 
349 	rt298_jack_detect(rt298, &hp, &mic);
350 	if (hp)
351 		status |= SND_JACK_HEADPHONE;
352 
353 	if (mic)
354 		status |= SND_JACK_MICROPHONE;
355 
356 	snd_soc_jack_report(rt298->jack, status,
357 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
358 
359 	return 0;
360 }
361 EXPORT_SYMBOL_GPL(rt298_mic_detect);
362 
363 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
364 			 struct snd_soc_dapm_widget *sink)
365 {
366 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
367 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
368 
369 	if (rt298->clk_id == RT298_SCLK_S_MCLK)
370 		return 1;
371 	else
372 		return 0;
373 }
374 
375 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
376 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
377 
378 static const struct snd_kcontrol_new rt298_snd_controls[] = {
379 	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
380 			    RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
381 	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
382 			    RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
383 	SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
384 			    0, 0x3, 0, mic_vol_tlv),
385 	SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
386 			    RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
387 };
388 
389 /* Digital Mixer */
390 static const struct snd_kcontrol_new rt298_front_mix[] = {
391 	SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
392 			RT298_MUTE_SFT, 1, 1),
393 	SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
394 			RT298_MUTE_SFT, 1, 1),
395 };
396 
397 /* Analog Input Mixer */
398 static const struct snd_kcontrol_new rt298_rec_mix[] = {
399 	SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
400 			RT298_MUTE_SFT, 1, 1),
401 	SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
402 			RT298_MUTE_SFT, 1, 1),
403 	SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
404 			RT298_MUTE_SFT, 1, 1),
405 	SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
406 			RT298_MUTE_SFT, 1, 1),
407 };
408 
409 static const struct snd_kcontrol_new spo_enable_control =
410 	SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
411 			RT298_SET_PIN_SFT, 1, 0);
412 
413 static const struct snd_kcontrol_new hpol_enable_control =
414 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
415 			RT298_MUTE_SFT, 1, 1);
416 
417 static const struct snd_kcontrol_new hpor_enable_control =
418 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
419 			RT298_MUTE_SFT, 1, 1);
420 
421 /* ADC0 source */
422 static const char * const rt298_adc_src[] = {
423 	"Mic", "RECMIX", "Dmic"
424 };
425 
426 static const int rt298_adc_values[] = {
427 	0, 4, 5,
428 };
429 
430 static SOC_VALUE_ENUM_SINGLE_DECL(
431 	rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
432 	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
433 
434 static const struct snd_kcontrol_new rt298_adc0_mux =
435 	SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
436 
437 static SOC_VALUE_ENUM_SINGLE_DECL(
438 	rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
439 	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
440 
441 static const struct snd_kcontrol_new rt298_adc1_mux =
442 	SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
443 
444 static const char * const rt298_dac_src[] = {
445 	"Front", "Surround"
446 };
447 /* HP-OUT source */
448 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
449 				0, rt298_dac_src);
450 
451 static const struct snd_kcontrol_new rt298_hpo_mux =
452 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
453 
454 /* SPK-OUT source */
455 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
456 				0, rt298_dac_src);
457 
458 static const struct snd_kcontrol_new rt298_spo_mux =
459 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
460 
461 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
462 			    struct snd_kcontrol *kcontrol, int event)
463 {
464 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
465 
466 	switch (event) {
467 	case SND_SOC_DAPM_POST_PMU:
468 		snd_soc_component_write(component,
469 			RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
470 		break;
471 	case SND_SOC_DAPM_PRE_PMD:
472 		snd_soc_component_write(component,
473 			RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
474 		break;
475 
476 	default:
477 		return 0;
478 	}
479 
480 	return 0;
481 }
482 
483 static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
484 				  struct snd_kcontrol *kcontrol, int event)
485 {
486 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
487 
488 	switch (event) {
489 	case SND_SOC_DAPM_POST_PMU:
490 		snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0x20);
491 		break;
492 	case SND_SOC_DAPM_PRE_PMD:
493 		snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0);
494 		break;
495 	default:
496 		return 0;
497 	}
498 
499 	return 0;
500 }
501 
502 static int rt298_adc_event(struct snd_soc_dapm_widget *w,
503 			     struct snd_kcontrol *kcontrol, int event)
504 {
505 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
506 	unsigned int nid;
507 
508 	nid = (w->reg >> 20) & 0xff;
509 
510 	switch (event) {
511 	case SND_SOC_DAPM_POST_PMU:
512 		snd_soc_component_update_bits(component,
513 			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
514 			0x7080, 0x7000);
515 		 /* If MCLK doesn't exist, reset AD filter */
516 		if (!(snd_soc_component_read(component, RT298_VAD_CTRL) & 0x200)) {
517 			pr_info("NO MCLK\n");
518 			switch (nid) {
519 			case RT298_ADC_IN1:
520 				snd_soc_component_update_bits(component,
521 					RT298_D_FILTER_CTRL, 0x2, 0x2);
522 				mdelay(10);
523 				snd_soc_component_update_bits(component,
524 					RT298_D_FILTER_CTRL, 0x2, 0x0);
525 				break;
526 			case RT298_ADC_IN2:
527 				snd_soc_component_update_bits(component,
528 					RT298_D_FILTER_CTRL, 0x4, 0x4);
529 				mdelay(10);
530 				snd_soc_component_update_bits(component,
531 					RT298_D_FILTER_CTRL, 0x4, 0x0);
532 				break;
533 			}
534 		}
535 		break;
536 	case SND_SOC_DAPM_PRE_PMD:
537 		snd_soc_component_update_bits(component,
538 			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
539 			0x7080, 0x7080);
540 		break;
541 	default:
542 		return 0;
543 	}
544 
545 	return 0;
546 }
547 
548 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
549 			     struct snd_kcontrol *kcontrol, int event)
550 {
551 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
552 
553 	switch (event) {
554 	case SND_SOC_DAPM_PRE_PMU:
555 		snd_soc_component_update_bits(component,
556 			RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
557 		snd_soc_component_update_bits(component,
558 			RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
559 		break;
560 	case SND_SOC_DAPM_POST_PMD:
561 		snd_soc_component_update_bits(component,
562 			RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
563 		snd_soc_component_update_bits(component,
564 			RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
565 		break;
566 	default:
567 		return 0;
568 	}
569 
570 	return 0;
571 }
572 
573 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
574 
575 	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
576 		12, 1, NULL, 0),
577 	SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
578 		0, 1, NULL, 0),
579 	SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
580 		1, 0, NULL, 0),
581 	SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
582 		2, 0, NULL, 0),
583 	SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
584 		3, 0, NULL, 0),
585 	SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
586 		4, 1, NULL, 0),
587 	SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
588 		13, 1, NULL, 0),
589 
590 
591 	SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
592 		5, 0, NULL, 0),
593 	SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
594 		0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
595 		SND_SOC_DAPM_POST_PMD),
596 
597 	/* Input Lines */
598 	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
599 	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
600 	SND_SOC_DAPM_INPUT("MIC1"),
601 	SND_SOC_DAPM_INPUT("LINE1"),
602 	SND_SOC_DAPM_INPUT("Beep"),
603 
604 	/* DMIC */
605 	SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
606 		NULL, 0, rt298_set_dmic1_event,
607 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
608 	SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
609 		NULL, 0),
610 	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
611 		0, 0, NULL, 0),
612 
613 	/* REC Mixer */
614 	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
615 		rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
616 
617 	/* ADCs */
618 	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
619 	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
620 
621 	/* ADC Mux */
622 	SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
623 		&rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
624 		SND_SOC_DAPM_POST_PMU),
625 	SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
626 		&rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
627 		SND_SOC_DAPM_POST_PMU),
628 
629 	/* Audio Interface */
630 	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
631 	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
632 	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
633 	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
634 
635 	/* Output Side */
636 	/* DACs */
637 	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
638 	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
639 
640 	/* Output Mux */
641 	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
642 	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
643 
644 	SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
645 		RT298_SET_PIN_SFT, 0, NULL, 0),
646 
647 	/* Output Mixer */
648 	SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
649 			rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
650 	SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
651 			NULL, 0),
652 
653 	/* Output Pga */
654 	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
655 		&spo_enable_control, rt298_spk_event,
656 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
657 	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
658 		&hpol_enable_control),
659 	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
660 		&hpor_enable_control),
661 
662 	/* Output Lines */
663 	SND_SOC_DAPM_OUTPUT("SPOL"),
664 	SND_SOC_DAPM_OUTPUT("SPOR"),
665 	SND_SOC_DAPM_OUTPUT("HPO Pin"),
666 	SND_SOC_DAPM_OUTPUT("SPDIF"),
667 };
668 
669 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
670 
671 	{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
672 	{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
673 	{"Front", NULL, "MCLK MODE", is_mclk_mode},
674 	{"Surround", NULL, "MCLK MODE", is_mclk_mode},
675 
676 	{"HP Power", NULL, "LDO1"},
677 	{"HP Power", NULL, "LDO2"},
678 	{"HP Power", NULL, "LV"},
679 	{"HP Power", NULL, "VREF1"},
680 	{"HP Power", NULL, "BG_MBIAS"},
681 
682 	{"MIC1", NULL, "LDO1"},
683 	{"MIC1", NULL, "LDO2"},
684 	{"MIC1", NULL, "HV"},
685 	{"MIC1", NULL, "LV"},
686 	{"MIC1", NULL, "VREF"},
687 	{"MIC1", NULL, "VREF1"},
688 	{"MIC1", NULL, "BG_MBIAS"},
689 	{"MIC1", NULL, "MIC1 Input Buffer"},
690 
691 	{"SPO", NULL, "LDO1"},
692 	{"SPO", NULL, "LDO2"},
693 	{"SPO", NULL, "HV"},
694 	{"SPO", NULL, "LV"},
695 	{"SPO", NULL, "VREF"},
696 	{"SPO", NULL, "VREF1"},
697 	{"SPO", NULL, "BG_MBIAS"},
698 
699 	{"DMIC1", NULL, "DMIC1 Pin"},
700 	{"DMIC2", NULL, "DMIC2 Pin"},
701 	{"DMIC1", NULL, "DMIC Receiver"},
702 	{"DMIC2", NULL, "DMIC Receiver"},
703 
704 	{"RECMIX", "Beep Switch", "Beep"},
705 	{"RECMIX", "Line1 Switch", "LINE1"},
706 	{"RECMIX", "Mic1 Switch", "MIC1"},
707 
708 	{"ADC 0 Mux", "Dmic", "DMIC1"},
709 	{"ADC 0 Mux", "RECMIX", "RECMIX"},
710 	{"ADC 0 Mux", "Mic", "MIC1"},
711 	{"ADC 1 Mux", "Dmic", "DMIC2"},
712 	{"ADC 1 Mux", "RECMIX", "RECMIX"},
713 	{"ADC 1 Mux", "Mic", "MIC1"},
714 
715 	{"ADC 0", NULL, "ADC 0 Mux"},
716 	{"ADC 1", NULL, "ADC 1 Mux"},
717 
718 	{"AIF1TX", NULL, "ADC 0"},
719 	{"AIF2TX", NULL, "ADC 1"},
720 
721 	{"DAC 0", NULL, "AIF1RX"},
722 	{"DAC 1", NULL, "AIF2RX"},
723 
724 	{"Front", "DAC Switch", "DAC 0"},
725 	{"Front", "RECMIX Switch", "RECMIX"},
726 
727 	{"Surround", NULL, "DAC 1"},
728 
729 	{"SPK Mux", "Front", "Front"},
730 	{"SPK Mux", "Surround", "Surround"},
731 
732 	{"HPO Mux", "Front", "Front"},
733 	{"HPO Mux", "Surround", "Surround"},
734 
735 	{"SPO", "Switch", "SPK Mux"},
736 	{"HPO L", "Switch", "HPO Mux"},
737 	{"HPO R", "Switch", "HPO Mux"},
738 	{"HPO L", NULL, "HP Power"},
739 	{"HPO R", NULL, "HP Power"},
740 
741 	{"SPOL", NULL, "SPO"},
742 	{"SPOR", NULL, "SPO"},
743 	{"HPO Pin", NULL, "HPO L"},
744 	{"HPO Pin", NULL, "HPO R"},
745 };
746 
747 static int rt298_hw_params(struct snd_pcm_substream *substream,
748 			    struct snd_pcm_hw_params *params,
749 			    struct snd_soc_dai *dai)
750 {
751 	struct snd_soc_component *component = dai->component;
752 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
753 	unsigned int val = 0;
754 	int d_len_code;
755 
756 	switch (params_rate(params)) {
757 	/* bit 14 0:48K 1:44.1K */
758 	case 44100:
759 	case 48000:
760 		break;
761 	default:
762 		dev_err(component->dev, "Unsupported sample rate %d\n",
763 					params_rate(params));
764 		return -EINVAL;
765 	}
766 	switch (rt298->sys_clk) {
767 	case 12288000:
768 	case 24576000:
769 		if (params_rate(params) != 48000) {
770 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
771 					params_rate(params), rt298->sys_clk);
772 			return -EINVAL;
773 		}
774 		break;
775 	case 11289600:
776 	case 22579200:
777 		if (params_rate(params) != 44100) {
778 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
779 					params_rate(params), rt298->sys_clk);
780 			return -EINVAL;
781 		}
782 		break;
783 	}
784 
785 	if (params_channels(params) <= 16) {
786 		/* bit 3:0 Number of Channel */
787 		val |= (params_channels(params) - 1);
788 	} else {
789 		dev_err(component->dev, "Unsupported channels %d\n",
790 					params_channels(params));
791 		return -EINVAL;
792 	}
793 
794 	d_len_code = 0;
795 	switch (params_width(params)) {
796 	/* bit 6:4 Bits per Sample */
797 	case 16:
798 		d_len_code = 0;
799 		val |= (0x1 << 4);
800 		break;
801 	case 32:
802 		d_len_code = 2;
803 		val |= (0x4 << 4);
804 		break;
805 	case 20:
806 		d_len_code = 1;
807 		val |= (0x2 << 4);
808 		break;
809 	case 24:
810 		d_len_code = 2;
811 		val |= (0x3 << 4);
812 		break;
813 	case 8:
814 		d_len_code = 3;
815 		break;
816 	default:
817 		return -EINVAL;
818 	}
819 
820 	snd_soc_component_update_bits(component,
821 		RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
822 	dev_dbg(component->dev, "format val = 0x%x\n", val);
823 
824 	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x407f, val);
825 	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x407f, val);
826 
827 	return 0;
828 }
829 
830 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
831 {
832 	struct snd_soc_component *component = dai->component;
833 
834 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
835 	case SND_SOC_DAIFMT_CBM_CFM:
836 		snd_soc_component_update_bits(component,
837 			RT298_I2S_CTRL1, 0x800, 0x800);
838 		break;
839 	case SND_SOC_DAIFMT_CBS_CFS:
840 		snd_soc_component_update_bits(component,
841 			RT298_I2S_CTRL1, 0x800, 0x0);
842 		break;
843 	default:
844 		return -EINVAL;
845 	}
846 
847 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
848 	case SND_SOC_DAIFMT_I2S:
849 		snd_soc_component_update_bits(component,
850 			RT298_I2S_CTRL1, 0x300, 0x0);
851 		break;
852 	case SND_SOC_DAIFMT_LEFT_J:
853 		snd_soc_component_update_bits(component,
854 			RT298_I2S_CTRL1, 0x300, 0x1 << 8);
855 		break;
856 	case SND_SOC_DAIFMT_DSP_A:
857 		snd_soc_component_update_bits(component,
858 			RT298_I2S_CTRL1, 0x300, 0x2 << 8);
859 		break;
860 	case SND_SOC_DAIFMT_DSP_B:
861 		snd_soc_component_update_bits(component,
862 			RT298_I2S_CTRL1, 0x300, 0x3 << 8);
863 		break;
864 	default:
865 		return -EINVAL;
866 	}
867 	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
868 	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x8000, 0);
869 	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x8000, 0);
870 
871 	return 0;
872 }
873 
874 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
875 				int clk_id, unsigned int freq, int dir)
876 {
877 	struct snd_soc_component *component = dai->component;
878 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
879 
880 	dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
881 
882 	if (RT298_SCLK_S_MCLK == clk_id) {
883 		snd_soc_component_update_bits(component,
884 			RT298_I2S_CTRL2, 0x0100, 0x0);
885 		snd_soc_component_update_bits(component,
886 			RT298_PLL_CTRL1, 0x20, 0x20);
887 	} else {
888 		snd_soc_component_update_bits(component,
889 			RT298_I2S_CTRL2, 0x0100, 0x0100);
890 		snd_soc_component_update_bits(component,
891 			RT298_PLL_CTRL1, 0x20, 0x0);
892 	}
893 
894 	switch (freq) {
895 	case 19200000:
896 		if (RT298_SCLK_S_MCLK == clk_id) {
897 			dev_err(component->dev, "Should not use MCLK\n");
898 			return -EINVAL;
899 		}
900 		snd_soc_component_update_bits(component,
901 			RT298_I2S_CTRL2, 0x40, 0x40);
902 		break;
903 	case 24000000:
904 		if (RT298_SCLK_S_MCLK == clk_id) {
905 			dev_err(component->dev, "Should not use MCLK\n");
906 			return -EINVAL;
907 		}
908 		snd_soc_component_update_bits(component,
909 			RT298_I2S_CTRL2, 0x40, 0x0);
910 		break;
911 	case 12288000:
912 	case 11289600:
913 		snd_soc_component_update_bits(component,
914 			RT298_I2S_CTRL2, 0x8, 0x0);
915 		snd_soc_component_update_bits(component,
916 			RT298_CLK_DIV, 0xfc1e, 0x0004);
917 		break;
918 	case 24576000:
919 	case 22579200:
920 		snd_soc_component_update_bits(component,
921 			RT298_I2S_CTRL2, 0x8, 0x8);
922 		snd_soc_component_update_bits(component,
923 			RT298_CLK_DIV, 0xfc1e, 0x5406);
924 		break;
925 	default:
926 		dev_err(component->dev, "Unsupported system clock\n");
927 		return -EINVAL;
928 	}
929 
930 	rt298->sys_clk = freq;
931 	rt298->clk_id = clk_id;
932 
933 	return 0;
934 }
935 
936 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
937 {
938 	struct snd_soc_component *component = dai->component;
939 
940 	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
941 	if (50 == ratio)
942 		snd_soc_component_update_bits(component,
943 			RT298_I2S_CTRL1, 0x1000, 0x1000);
944 	else
945 		snd_soc_component_update_bits(component,
946 			RT298_I2S_CTRL1, 0x1000, 0x0);
947 
948 
949 	return 0;
950 }
951 
952 static int rt298_set_bias_level(struct snd_soc_component *component,
953 				 enum snd_soc_bias_level level)
954 {
955 	switch (level) {
956 	case SND_SOC_BIAS_PREPARE:
957 		if (SND_SOC_BIAS_STANDBY ==
958 			snd_soc_component_get_bias_level(component)) {
959 			snd_soc_component_write(component,
960 				RT298_SET_AUDIO_POWER, AC_PWRST_D0);
961 			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x200);
962 			snd_soc_component_update_bits(component, 0x52, 0x80, 0x0);
963 			mdelay(20);
964 			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x0);
965 			snd_soc_component_update_bits(component, 0x52, 0x80, 0x80);
966 		}
967 		break;
968 
969 	case SND_SOC_BIAS_STANDBY:
970 		snd_soc_component_write(component,
971 			RT298_SET_AUDIO_POWER, AC_PWRST_D3);
972 		break;
973 
974 	default:
975 		break;
976 	}
977 
978 	return 0;
979 }
980 
981 static irqreturn_t rt298_irq(int irq, void *data)
982 {
983 	struct rt298_priv *rt298 = data;
984 	bool hp = false;
985 	bool mic = false;
986 	int ret, status = 0;
987 
988 	ret = rt298_jack_detect(rt298, &hp, &mic);
989 
990 	/* Clear IRQ */
991 	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
992 
993 	if (ret == 0) {
994 		if (hp)
995 			status |= SND_JACK_HEADPHONE;
996 
997 		if (mic)
998 			status |= SND_JACK_MICROPHONE;
999 
1000 		snd_soc_jack_report(rt298->jack, status,
1001 			SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
1002 
1003 		pm_wakeup_event(&rt298->i2c->dev, 300);
1004 	}
1005 
1006 	return IRQ_HANDLED;
1007 }
1008 
1009 static int rt298_probe(struct snd_soc_component *component)
1010 {
1011 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1012 
1013 	rt298->component = component;
1014 
1015 	if (rt298->i2c->irq) {
1016 		regmap_update_bits(rt298->regmap,
1017 					RT298_IRQ_CTRL, 0x2, 0x2);
1018 
1019 		INIT_DELAYED_WORK(&rt298->jack_detect_work,
1020 					rt298_jack_detect_work);
1021 		schedule_delayed_work(&rt298->jack_detect_work,
1022 					msecs_to_jiffies(1250));
1023 	}
1024 
1025 	return 0;
1026 }
1027 
1028 static void rt298_remove(struct snd_soc_component *component)
1029 {
1030 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1031 
1032 	cancel_delayed_work_sync(&rt298->jack_detect_work);
1033 }
1034 
1035 #ifdef CONFIG_PM
1036 static int rt298_suspend(struct snd_soc_component *component)
1037 {
1038 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1039 
1040 	rt298->is_hp_in = -1;
1041 	regcache_cache_only(rt298->regmap, true);
1042 	regcache_mark_dirty(rt298->regmap);
1043 
1044 	return 0;
1045 }
1046 
1047 static int rt298_resume(struct snd_soc_component *component)
1048 {
1049 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1050 
1051 	regcache_cache_only(rt298->regmap, false);
1052 	rt298_index_sync(component);
1053 	regcache_sync(rt298->regmap);
1054 
1055 	return 0;
1056 }
1057 #else
1058 #define rt298_suspend NULL
1059 #define rt298_resume NULL
1060 #endif
1061 
1062 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1063 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1064 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1065 
1066 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1067 	.hw_params = rt298_hw_params,
1068 	.set_fmt = rt298_set_dai_fmt,
1069 	.set_sysclk = rt298_set_dai_sysclk,
1070 	.set_bclk_ratio = rt298_set_bclk_ratio,
1071 };
1072 
1073 static struct snd_soc_dai_driver rt298_dai[] = {
1074 	{
1075 		.name = "rt298-aif1",
1076 		.id = RT298_AIF1,
1077 		.playback = {
1078 			.stream_name = "AIF1 Playback",
1079 			.channels_min = 1,
1080 			.channels_max = 2,
1081 			.rates = RT298_STEREO_RATES,
1082 			.formats = RT298_FORMATS,
1083 		},
1084 		.capture = {
1085 			.stream_name = "AIF1 Capture",
1086 			.channels_min = 1,
1087 			.channels_max = 2,
1088 			.rates = RT298_STEREO_RATES,
1089 			.formats = RT298_FORMATS,
1090 		},
1091 		.ops = &rt298_aif_dai_ops,
1092 		.symmetric_rate = 1,
1093 	},
1094 	{
1095 		.name = "rt298-aif2",
1096 		.id = RT298_AIF2,
1097 		.playback = {
1098 			.stream_name = "AIF2 Playback",
1099 			.channels_min = 1,
1100 			.channels_max = 2,
1101 			.rates = RT298_STEREO_RATES,
1102 			.formats = RT298_FORMATS,
1103 		},
1104 		.capture = {
1105 			.stream_name = "AIF2 Capture",
1106 			.channels_min = 1,
1107 			.channels_max = 2,
1108 			.rates = RT298_STEREO_RATES,
1109 			.formats = RT298_FORMATS,
1110 		},
1111 		.ops = &rt298_aif_dai_ops,
1112 		.symmetric_rate = 1,
1113 	},
1114 
1115 };
1116 
1117 static const struct snd_soc_component_driver soc_component_dev_rt298 = {
1118 	.probe			= rt298_probe,
1119 	.remove			= rt298_remove,
1120 	.suspend		= rt298_suspend,
1121 	.resume			= rt298_resume,
1122 	.set_bias_level		= rt298_set_bias_level,
1123 	.controls		= rt298_snd_controls,
1124 	.num_controls		= ARRAY_SIZE(rt298_snd_controls),
1125 	.dapm_widgets		= rt298_dapm_widgets,
1126 	.num_dapm_widgets	= ARRAY_SIZE(rt298_dapm_widgets),
1127 	.dapm_routes		= rt298_dapm_routes,
1128 	.num_dapm_routes	= ARRAY_SIZE(rt298_dapm_routes),
1129 	.use_pmdown_time	= 1,
1130 	.endianness		= 1,
1131 	.non_legacy_dai_naming	= 1,
1132 };
1133 
1134 static const struct regmap_config rt298_regmap = {
1135 	.reg_bits = 32,
1136 	.val_bits = 32,
1137 	.max_register = 0x02370100,
1138 	.volatile_reg = rt298_volatile_register,
1139 	.readable_reg = rt298_readable_register,
1140 	.reg_write = rl6347a_hw_write,
1141 	.reg_read = rl6347a_hw_read,
1142 	.cache_type = REGCACHE_RBTREE,
1143 	.reg_defaults = rt298_reg,
1144 	.num_reg_defaults = ARRAY_SIZE(rt298_reg),
1145 };
1146 
1147 static const struct i2c_device_id rt298_i2c_id[] = {
1148 	{"rt298", 0},
1149 	{}
1150 };
1151 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1152 
1153 #ifdef CONFIG_ACPI
1154 static const struct acpi_device_id rt298_acpi_match[] = {
1155 	{ "INT343A", 0 },
1156 	{},
1157 };
1158 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1159 #endif
1160 
1161 static const struct dmi_system_id force_combo_jack_table[] = {
1162 	{
1163 		.ident = "Intel Broxton P",
1164 		.matches = {
1165 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1166 			DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1167 		}
1168 	},
1169 	{
1170 		.ident = "Intel Gemini Lake",
1171 		.matches = {
1172 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1173 			DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1174 		}
1175 	},
1176 	{ }
1177 };
1178 
1179 static int rt298_i2c_probe(struct i2c_client *i2c,
1180 			   const struct i2c_device_id *id)
1181 {
1182 	struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1183 	struct rt298_priv *rt298;
1184 	struct device *dev = &i2c->dev;
1185 	const struct acpi_device_id *acpiid;
1186 	int i, ret;
1187 
1188 	rt298 = devm_kzalloc(&i2c->dev,	sizeof(*rt298),
1189 				GFP_KERNEL);
1190 	if (NULL == rt298)
1191 		return -ENOMEM;
1192 
1193 	rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1194 	if (IS_ERR(rt298->regmap)) {
1195 		ret = PTR_ERR(rt298->regmap);
1196 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1197 			ret);
1198 		return ret;
1199 	}
1200 
1201 	regmap_read(rt298->regmap,
1202 		RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1203 	if (ret != RT298_VENDOR_ID) {
1204 		dev_err(&i2c->dev,
1205 			"Device with ID register %#x is not rt298\n", ret);
1206 		return -ENODEV;
1207 	}
1208 
1209 	rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1210 					  sizeof(rt298_index_def), GFP_KERNEL);
1211 	if (!rt298->index_cache)
1212 		return -ENOMEM;
1213 
1214 	rt298->index_cache_size = INDEX_CACHE_SIZE;
1215 	rt298->i2c = i2c;
1216 	i2c_set_clientdata(i2c, rt298);
1217 
1218 	/* restore codec default */
1219 	for (i = 0; i < INDEX_CACHE_SIZE; i++)
1220 		regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1221 				rt298->index_cache[i].def);
1222 	for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1223 		regmap_write(rt298->regmap, rt298_reg[i].reg,
1224 				rt298_reg[i].def);
1225 
1226 	if (pdata)
1227 		rt298->pdata = *pdata;
1228 
1229 	/* enable jack combo mode on supported devices */
1230 	acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1231 	if (acpiid && acpiid->driver_data) {
1232 		rt298->pdata = *(struct rt298_platform_data *)
1233 				acpiid->driver_data;
1234 	}
1235 
1236 	if (dmi_check_system(force_combo_jack_table)) {
1237 		rt298->pdata.cbj_en = true;
1238 		rt298->pdata.gpio2_en = false;
1239 	}
1240 
1241 	/* VREF Charging */
1242 	regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1243 	regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1244 	/* Vref2 */
1245 	regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1246 
1247 	regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1248 
1249 	for (i = 0; i < RT298_POWER_REG_LEN; i++)
1250 		regmap_write(rt298->regmap,
1251 			RT298_SET_POWER(rt298_support_power_controls[i]),
1252 			AC_PWRST_D1);
1253 
1254 	if (!rt298->pdata.cbj_en) {
1255 		regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1256 		regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1257 		regmap_update_bits(rt298->regmap,
1258 					RT298_CBJ_CTRL1, 0xf000, 0xb000);
1259 	} else {
1260 		regmap_update_bits(rt298->regmap,
1261 					RT298_CBJ_CTRL1, 0xf000, 0x5000);
1262 	}
1263 
1264 	mdelay(10);
1265 
1266 	if (!rt298->pdata.gpio2_en)
1267 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1268 	else
1269 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1270 
1271 	mdelay(10);
1272 
1273 	regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1274 	regmap_update_bits(rt298->regmap,
1275 				RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1276 
1277 	regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1278 	regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1279 	regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1280 	regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1281 
1282 	rt298->is_hp_in = -1;
1283 
1284 	if (rt298->i2c->irq) {
1285 		ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1286 			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1287 		if (ret != 0) {
1288 			dev_err(&i2c->dev,
1289 				"Failed to reguest IRQ: %d\n", ret);
1290 			return ret;
1291 		}
1292 	}
1293 
1294 	ret = devm_snd_soc_register_component(&i2c->dev,
1295 				     &soc_component_dev_rt298,
1296 				     rt298_dai, ARRAY_SIZE(rt298_dai));
1297 
1298 	return ret;
1299 }
1300 
1301 static int rt298_i2c_remove(struct i2c_client *i2c)
1302 {
1303 	struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1304 
1305 	if (i2c->irq)
1306 		free_irq(i2c->irq, rt298);
1307 
1308 	return 0;
1309 }
1310 
1311 
1312 static struct i2c_driver rt298_i2c_driver = {
1313 	.driver = {
1314 		   .name = "rt298",
1315 		   .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1316 		   },
1317 	.probe = rt298_i2c_probe,
1318 	.remove = rt298_i2c_remove,
1319 	.id_table = rt298_i2c_id,
1320 };
1321 
1322 module_i2c_driver(rt298_i2c_driver);
1323 
1324 MODULE_DESCRIPTION("ASoC RT298 driver");
1325 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1326 MODULE_LICENSE("GPL");
1327