xref: /openbmc/linux/sound/soc/codecs/rt298.c (revision 88a6f899)
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 	d_len_code = 0;
793 	switch (params_width(params)) {
794 	/* bit 6:4 Bits per Sample */
795 	case 16:
796 		d_len_code = 0;
797 		val |= (0x1 << 4);
798 		break;
799 	case 32:
800 		d_len_code = 2;
801 		val |= (0x4 << 4);
802 		break;
803 	case 20:
804 		d_len_code = 1;
805 		val |= (0x2 << 4);
806 		break;
807 	case 24:
808 		d_len_code = 2;
809 		val |= (0x3 << 4);
810 		break;
811 	case 8:
812 		d_len_code = 3;
813 		break;
814 	default:
815 		return -EINVAL;
816 	}
817 
818 	snd_soc_component_update_bits(component,
819 		RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
820 	dev_dbg(component->dev, "format val = 0x%x\n", val);
821 
822 	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x407f, val);
823 	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x407f, val);
824 
825 	return 0;
826 }
827 
828 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
829 {
830 	struct snd_soc_component *component = dai->component;
831 
832 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
833 	case SND_SOC_DAIFMT_CBM_CFM:
834 		snd_soc_component_update_bits(component,
835 			RT298_I2S_CTRL1, 0x800, 0x800);
836 		break;
837 	case SND_SOC_DAIFMT_CBS_CFS:
838 		snd_soc_component_update_bits(component,
839 			RT298_I2S_CTRL1, 0x800, 0x0);
840 		break;
841 	default:
842 		return -EINVAL;
843 	}
844 
845 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
846 	case SND_SOC_DAIFMT_I2S:
847 		snd_soc_component_update_bits(component,
848 			RT298_I2S_CTRL1, 0x300, 0x0);
849 		break;
850 	case SND_SOC_DAIFMT_LEFT_J:
851 		snd_soc_component_update_bits(component,
852 			RT298_I2S_CTRL1, 0x300, 0x1 << 8);
853 		break;
854 	case SND_SOC_DAIFMT_DSP_A:
855 		snd_soc_component_update_bits(component,
856 			RT298_I2S_CTRL1, 0x300, 0x2 << 8);
857 		break;
858 	case SND_SOC_DAIFMT_DSP_B:
859 		snd_soc_component_update_bits(component,
860 			RT298_I2S_CTRL1, 0x300, 0x3 << 8);
861 		break;
862 	default:
863 		return -EINVAL;
864 	}
865 	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
866 	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x8000, 0);
867 	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x8000, 0);
868 
869 	return 0;
870 }
871 
872 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
873 				int clk_id, unsigned int freq, int dir)
874 {
875 	struct snd_soc_component *component = dai->component;
876 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
877 
878 	dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
879 
880 	if (RT298_SCLK_S_MCLK == clk_id) {
881 		snd_soc_component_update_bits(component,
882 			RT298_I2S_CTRL2, 0x0100, 0x0);
883 		snd_soc_component_update_bits(component,
884 			RT298_PLL_CTRL1, 0x20, 0x20);
885 	} else {
886 		snd_soc_component_update_bits(component,
887 			RT298_I2S_CTRL2, 0x0100, 0x0100);
888 		snd_soc_component_update_bits(component,
889 			RT298_PLL_CTRL1, 0x20, 0x0);
890 	}
891 
892 	switch (freq) {
893 	case 19200000:
894 		if (RT298_SCLK_S_MCLK == clk_id) {
895 			dev_err(component->dev, "Should not use MCLK\n");
896 			return -EINVAL;
897 		}
898 		snd_soc_component_update_bits(component,
899 			RT298_I2S_CTRL2, 0x40, 0x40);
900 		break;
901 	case 24000000:
902 		if (RT298_SCLK_S_MCLK == clk_id) {
903 			dev_err(component->dev, "Should not use MCLK\n");
904 			return -EINVAL;
905 		}
906 		snd_soc_component_update_bits(component,
907 			RT298_I2S_CTRL2, 0x40, 0x0);
908 		break;
909 	case 12288000:
910 	case 11289600:
911 		snd_soc_component_update_bits(component,
912 			RT298_I2S_CTRL2, 0x8, 0x0);
913 		snd_soc_component_update_bits(component,
914 			RT298_CLK_DIV, 0xfc1e, 0x0004);
915 		break;
916 	case 24576000:
917 	case 22579200:
918 		snd_soc_component_update_bits(component,
919 			RT298_I2S_CTRL2, 0x8, 0x8);
920 		snd_soc_component_update_bits(component,
921 			RT298_CLK_DIV, 0xfc1e, 0x5406);
922 		break;
923 	default:
924 		dev_err(component->dev, "Unsupported system clock\n");
925 		return -EINVAL;
926 	}
927 
928 	rt298->sys_clk = freq;
929 	rt298->clk_id = clk_id;
930 
931 	return 0;
932 }
933 
934 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
935 {
936 	struct snd_soc_component *component = dai->component;
937 
938 	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
939 	if (50 == ratio)
940 		snd_soc_component_update_bits(component,
941 			RT298_I2S_CTRL1, 0x1000, 0x1000);
942 	else
943 		snd_soc_component_update_bits(component,
944 			RT298_I2S_CTRL1, 0x1000, 0x0);
945 
946 
947 	return 0;
948 }
949 
950 static int rt298_set_bias_level(struct snd_soc_component *component,
951 				 enum snd_soc_bias_level level)
952 {
953 	switch (level) {
954 	case SND_SOC_BIAS_PREPARE:
955 		if (SND_SOC_BIAS_STANDBY ==
956 			snd_soc_component_get_bias_level(component)) {
957 			snd_soc_component_write(component,
958 				RT298_SET_AUDIO_POWER, AC_PWRST_D0);
959 			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x200);
960 			snd_soc_component_update_bits(component, 0x52, 0x80, 0x0);
961 			mdelay(20);
962 			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x0);
963 			snd_soc_component_update_bits(component, 0x52, 0x80, 0x80);
964 		}
965 		break;
966 
967 	case SND_SOC_BIAS_STANDBY:
968 		snd_soc_component_write(component,
969 			RT298_SET_AUDIO_POWER, AC_PWRST_D3);
970 		break;
971 
972 	default:
973 		break;
974 	}
975 
976 	return 0;
977 }
978 
979 static irqreturn_t rt298_irq(int irq, void *data)
980 {
981 	struct rt298_priv *rt298 = data;
982 	bool hp = false;
983 	bool mic = false;
984 	int ret, status = 0;
985 
986 	ret = rt298_jack_detect(rt298, &hp, &mic);
987 
988 	/* Clear IRQ */
989 	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
990 
991 	if (ret == 0) {
992 		if (hp)
993 			status |= SND_JACK_HEADPHONE;
994 
995 		if (mic)
996 			status |= SND_JACK_MICROPHONE;
997 
998 		snd_soc_jack_report(rt298->jack, status,
999 			SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
1000 
1001 		pm_wakeup_event(&rt298->i2c->dev, 300);
1002 	}
1003 
1004 	return IRQ_HANDLED;
1005 }
1006 
1007 static int rt298_probe(struct snd_soc_component *component)
1008 {
1009 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1010 
1011 	rt298->component = component;
1012 	INIT_DELAYED_WORK(&rt298->jack_detect_work, rt298_jack_detect_work);
1013 
1014 	if (rt298->i2c->irq)
1015 		schedule_delayed_work(&rt298->jack_detect_work,
1016 				      msecs_to_jiffies(1250));
1017 	return 0;
1018 }
1019 
1020 static void rt298_remove(struct snd_soc_component *component)
1021 {
1022 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1023 
1024 	cancel_delayed_work_sync(&rt298->jack_detect_work);
1025 	rt298->component = NULL;
1026 }
1027 
1028 #ifdef CONFIG_PM
1029 static int rt298_suspend(struct snd_soc_component *component)
1030 {
1031 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1032 
1033 	rt298->is_hp_in = -1;
1034 	regcache_cache_only(rt298->regmap, true);
1035 	regcache_mark_dirty(rt298->regmap);
1036 
1037 	return 0;
1038 }
1039 
1040 static int rt298_resume(struct snd_soc_component *component)
1041 {
1042 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1043 
1044 	regcache_cache_only(rt298->regmap, false);
1045 	rt298_index_sync(component);
1046 	regcache_sync(rt298->regmap);
1047 
1048 	return 0;
1049 }
1050 #else
1051 #define rt298_suspend NULL
1052 #define rt298_resume NULL
1053 #endif
1054 
1055 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1056 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1057 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1058 
1059 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1060 	.hw_params = rt298_hw_params,
1061 	.set_fmt = rt298_set_dai_fmt,
1062 	.set_sysclk = rt298_set_dai_sysclk,
1063 	.set_bclk_ratio = rt298_set_bclk_ratio,
1064 };
1065 
1066 static struct snd_soc_dai_driver rt298_dai[] = {
1067 	{
1068 		.name = "rt298-aif1",
1069 		.id = RT298_AIF1,
1070 		.playback = {
1071 			.stream_name = "AIF1 Playback",
1072 			.channels_min = 1,
1073 			.channels_max = 2,
1074 			.rates = RT298_STEREO_RATES,
1075 			.formats = RT298_FORMATS,
1076 		},
1077 		.capture = {
1078 			.stream_name = "AIF1 Capture",
1079 			.channels_min = 1,
1080 			.channels_max = 2,
1081 			.rates = RT298_STEREO_RATES,
1082 			.formats = RT298_FORMATS,
1083 		},
1084 		.ops = &rt298_aif_dai_ops,
1085 		.symmetric_rate = 1,
1086 	},
1087 	{
1088 		.name = "rt298-aif2",
1089 		.id = RT298_AIF2,
1090 		.playback = {
1091 			.stream_name = "AIF2 Playback",
1092 			.channels_min = 1,
1093 			.channels_max = 2,
1094 			.rates = RT298_STEREO_RATES,
1095 			.formats = RT298_FORMATS,
1096 		},
1097 		.capture = {
1098 			.stream_name = "AIF2 Capture",
1099 			.channels_min = 1,
1100 			.channels_max = 2,
1101 			.rates = RT298_STEREO_RATES,
1102 			.formats = RT298_FORMATS,
1103 		},
1104 		.ops = &rt298_aif_dai_ops,
1105 		.symmetric_rate = 1,
1106 	},
1107 
1108 };
1109 
1110 static const struct snd_soc_component_driver soc_component_dev_rt298 = {
1111 	.probe			= rt298_probe,
1112 	.remove			= rt298_remove,
1113 	.suspend		= rt298_suspend,
1114 	.resume			= rt298_resume,
1115 	.set_bias_level		= rt298_set_bias_level,
1116 	.set_jack		= rt298_mic_detect,
1117 	.controls		= rt298_snd_controls,
1118 	.num_controls		= ARRAY_SIZE(rt298_snd_controls),
1119 	.dapm_widgets		= rt298_dapm_widgets,
1120 	.num_dapm_widgets	= ARRAY_SIZE(rt298_dapm_widgets),
1121 	.dapm_routes		= rt298_dapm_routes,
1122 	.num_dapm_routes	= ARRAY_SIZE(rt298_dapm_routes),
1123 	.use_pmdown_time	= 1,
1124 	.endianness		= 1,
1125 };
1126 
1127 static const struct regmap_config rt298_regmap = {
1128 	.reg_bits = 32,
1129 	.val_bits = 32,
1130 	.max_register = 0x02370100,
1131 	.volatile_reg = rt298_volatile_register,
1132 	.readable_reg = rt298_readable_register,
1133 	.reg_write = rl6347a_hw_write,
1134 	.reg_read = rl6347a_hw_read,
1135 	.cache_type = REGCACHE_RBTREE,
1136 	.reg_defaults = rt298_reg,
1137 	.num_reg_defaults = ARRAY_SIZE(rt298_reg),
1138 };
1139 
1140 static const struct i2c_device_id rt298_i2c_id[] = {
1141 	{"rt298", 0},
1142 	{}
1143 };
1144 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1145 
1146 #ifdef CONFIG_ACPI
1147 static const struct acpi_device_id rt298_acpi_match[] = {
1148 	{ "INT343A", 0 },
1149 	{},
1150 };
1151 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1152 #endif
1153 
1154 static const struct dmi_system_id force_combo_jack_table[] = {
1155 	{
1156 		.ident = "Intel Broxton P",
1157 		.matches = {
1158 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1159 			DMI_MATCH(DMI_PRODUCT_NAME, "Broxton P")
1160 		}
1161 	},
1162 	{
1163 		.ident = "Intel Gemini Lake",
1164 		.matches = {
1165 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp"),
1166 			DMI_MATCH(DMI_PRODUCT_NAME, "Geminilake")
1167 		}
1168 	},
1169 	{
1170 		.ident = "Intel Kabylake R RVP",
1171 		.matches = {
1172 			DMI_MATCH(DMI_SYS_VENDOR, "Intel Corporation"),
1173 			DMI_MATCH(DMI_PRODUCT_NAME, "Kabylake Client platform")
1174 		}
1175 	},
1176 	{ }
1177 };
1178 
1179 static int rt298_i2c_probe(struct i2c_client *i2c)
1180 {
1181 	struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1182 	struct rt298_priv *rt298;
1183 	struct device *dev = &i2c->dev;
1184 	const struct acpi_device_id *acpiid;
1185 	int i, ret;
1186 
1187 	rt298 = devm_kzalloc(&i2c->dev,	sizeof(*rt298),
1188 				GFP_KERNEL);
1189 	if (NULL == rt298)
1190 		return -ENOMEM;
1191 
1192 	rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1193 	if (IS_ERR(rt298->regmap)) {
1194 		ret = PTR_ERR(rt298->regmap);
1195 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1196 			ret);
1197 		return ret;
1198 	}
1199 
1200 	regmap_read(rt298->regmap,
1201 		RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1202 	if (ret != RT298_VENDOR_ID) {
1203 		dev_err(&i2c->dev,
1204 			"Device with ID register %#x is not rt298\n", ret);
1205 		return -ENODEV;
1206 	}
1207 
1208 	rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1209 					  sizeof(rt298_index_def), GFP_KERNEL);
1210 	if (!rt298->index_cache)
1211 		return -ENOMEM;
1212 
1213 	rt298->index_cache_size = INDEX_CACHE_SIZE;
1214 	rt298->i2c = i2c;
1215 	i2c_set_clientdata(i2c, rt298);
1216 
1217 	/* restore codec default */
1218 	for (i = 0; i < INDEX_CACHE_SIZE; i++)
1219 		regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1220 				rt298->index_cache[i].def);
1221 	for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1222 		regmap_write(rt298->regmap, rt298_reg[i].reg,
1223 				rt298_reg[i].def);
1224 
1225 	if (pdata)
1226 		rt298->pdata = *pdata;
1227 
1228 	/* enable jack combo mode on supported devices */
1229 	acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1230 	if (acpiid && acpiid->driver_data) {
1231 		rt298->pdata = *(struct rt298_platform_data *)
1232 				acpiid->driver_data;
1233 	}
1234 
1235 	if (dmi_check_system(force_combo_jack_table)) {
1236 		rt298->pdata.cbj_en = true;
1237 		rt298->pdata.gpio2_en = false;
1238 	}
1239 
1240 	/* VREF Charging */
1241 	regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1242 	regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1243 	/* Vref2 */
1244 	regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1245 
1246 	regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1247 
1248 	for (i = 0; i < RT298_POWER_REG_LEN; i++)
1249 		regmap_write(rt298->regmap,
1250 			RT298_SET_POWER(rt298_support_power_controls[i]),
1251 			AC_PWRST_D1);
1252 
1253 	if (!rt298->pdata.cbj_en) {
1254 		regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1255 		regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1256 		regmap_update_bits(rt298->regmap,
1257 					RT298_CBJ_CTRL1, 0xf000, 0xb000);
1258 	} else {
1259 		regmap_update_bits(rt298->regmap,
1260 					RT298_CBJ_CTRL1, 0xf000, 0x5000);
1261 	}
1262 
1263 	mdelay(10);
1264 
1265 	if (!rt298->pdata.gpio2_en)
1266 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1267 	else
1268 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1269 
1270 	mdelay(10);
1271 
1272 	regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1273 	regmap_update_bits(rt298->regmap,
1274 				RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1275 
1276 	regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1277 	regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1278 	regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1279 	regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1280 
1281 	rt298->is_hp_in = -1;
1282 
1283 	if (rt298->i2c->irq) {
1284 		ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1285 			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1286 		if (ret != 0) {
1287 			dev_err(&i2c->dev,
1288 				"Failed to reguest IRQ: %d\n", ret);
1289 			return ret;
1290 		}
1291 	}
1292 
1293 	ret = devm_snd_soc_register_component(&i2c->dev,
1294 				     &soc_component_dev_rt298,
1295 				     rt298_dai, ARRAY_SIZE(rt298_dai));
1296 
1297 	return ret;
1298 }
1299 
1300 static void rt298_i2c_remove(struct i2c_client *i2c)
1301 {
1302 	struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1303 
1304 	if (i2c->irq)
1305 		free_irq(i2c->irq, rt298);
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