xref: /linux/sound/soc/codecs/rt298.c (revision 4e95bc268b915c3a19ec8b9110f61e4ea41a1ed0)
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 			}
275 			regmap_update_bits(rt298->regmap,
276 				RT298_DC_GAIN, 0x200, 0x0);
277 
278 		} else {
279 			*mic = false;
280 			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
281 			regmap_update_bits(rt298->regmap,
282 				RT298_CBJ_CTRL1, 0x0400, 0x0000);
283 		}
284 	} else {
285 		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
286 		*hp = buf & 0x80000000;
287 		regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
288 		*mic = buf & 0x80000000;
289 	}
290 	if (!*mic) {
291 		snd_soc_dapm_disable_pin(dapm, "HV");
292 		snd_soc_dapm_disable_pin(dapm, "VREF");
293 	}
294 	if (!*hp)
295 		snd_soc_dapm_disable_pin(dapm, "LDO1");
296 	snd_soc_dapm_sync(dapm);
297 
298 	pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
299 
300 	return 0;
301 }
302 
303 static void rt298_jack_detect_work(struct work_struct *work)
304 {
305 	struct rt298_priv *rt298 =
306 		container_of(work, struct rt298_priv, jack_detect_work.work);
307 	int status = 0;
308 	bool hp = false;
309 	bool mic = false;
310 
311 	if (rt298_jack_detect(rt298, &hp, &mic) < 0)
312 		return;
313 
314 	if (hp)
315 		status |= SND_JACK_HEADPHONE;
316 
317 	if (mic)
318 		status |= SND_JACK_MICROPHONE;
319 
320 	snd_soc_jack_report(rt298->jack, status,
321 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
322 }
323 
324 int rt298_mic_detect(struct snd_soc_component *component, struct snd_soc_jack *jack)
325 {
326 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
327 	struct snd_soc_dapm_context *dapm;
328 	bool hp = false;
329 	bool mic = false;
330 	int status = 0;
331 
332 	/* If jack in NULL, disable HS jack */
333 	if (!jack) {
334 		regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x0);
335 		dapm = snd_soc_component_get_dapm(component);
336 		snd_soc_dapm_disable_pin(dapm, "LDO1");
337 		snd_soc_dapm_sync(dapm);
338 		return 0;
339 	}
340 
341 	rt298->jack = jack;
342 	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
343 
344 	rt298_jack_detect(rt298, &hp, &mic);
345 	if (hp)
346 		status |= SND_JACK_HEADPHONE;
347 
348 	if (mic)
349 		status |= SND_JACK_MICROPHONE;
350 
351 	snd_soc_jack_report(rt298->jack, status,
352 		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
353 
354 	return 0;
355 }
356 EXPORT_SYMBOL_GPL(rt298_mic_detect);
357 
358 static int is_mclk_mode(struct snd_soc_dapm_widget *source,
359 			 struct snd_soc_dapm_widget *sink)
360 {
361 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);
362 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
363 
364 	if (rt298->clk_id == RT298_SCLK_S_MCLK)
365 		return 1;
366 	else
367 		return 0;
368 }
369 
370 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
371 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
372 
373 static const struct snd_kcontrol_new rt298_snd_controls[] = {
374 	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
375 			    RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
376 	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
377 			    RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
378 	SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
379 			    0, 0x3, 0, mic_vol_tlv),
380 	SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
381 			    RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
382 };
383 
384 /* Digital Mixer */
385 static const struct snd_kcontrol_new rt298_front_mix[] = {
386 	SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
387 			RT298_MUTE_SFT, 1, 1),
388 	SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
389 			RT298_MUTE_SFT, 1, 1),
390 };
391 
392 /* Analog Input Mixer */
393 static const struct snd_kcontrol_new rt298_rec_mix[] = {
394 	SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
395 			RT298_MUTE_SFT, 1, 1),
396 	SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
397 			RT298_MUTE_SFT, 1, 1),
398 	SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
399 			RT298_MUTE_SFT, 1, 1),
400 	SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
401 			RT298_MUTE_SFT, 1, 1),
402 };
403 
404 static const struct snd_kcontrol_new spo_enable_control =
405 	SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
406 			RT298_SET_PIN_SFT, 1, 0);
407 
408 static const struct snd_kcontrol_new hpol_enable_control =
409 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
410 			RT298_MUTE_SFT, 1, 1);
411 
412 static const struct snd_kcontrol_new hpor_enable_control =
413 	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
414 			RT298_MUTE_SFT, 1, 1);
415 
416 /* ADC0 source */
417 static const char * const rt298_adc_src[] = {
418 	"Mic", "RECMIX", "Dmic"
419 };
420 
421 static const int rt298_adc_values[] = {
422 	0, 4, 5,
423 };
424 
425 static SOC_VALUE_ENUM_SINGLE_DECL(
426 	rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
427 	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
428 
429 static const struct snd_kcontrol_new rt298_adc0_mux =
430 	SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
431 
432 static SOC_VALUE_ENUM_SINGLE_DECL(
433 	rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
434 	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
435 
436 static const struct snd_kcontrol_new rt298_adc1_mux =
437 	SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
438 
439 static const char * const rt298_dac_src[] = {
440 	"Front", "Surround"
441 };
442 /* HP-OUT source */
443 static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
444 				0, rt298_dac_src);
445 
446 static const struct snd_kcontrol_new rt298_hpo_mux =
447 SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
448 
449 /* SPK-OUT source */
450 static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
451 				0, rt298_dac_src);
452 
453 static const struct snd_kcontrol_new rt298_spo_mux =
454 SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
455 
456 static int rt298_spk_event(struct snd_soc_dapm_widget *w,
457 			    struct snd_kcontrol *kcontrol, int event)
458 {
459 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
460 
461 	switch (event) {
462 	case SND_SOC_DAPM_POST_PMU:
463 		snd_soc_component_write(component,
464 			RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
465 		break;
466 	case SND_SOC_DAPM_PRE_PMD:
467 		snd_soc_component_write(component,
468 			RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
469 		break;
470 
471 	default:
472 		return 0;
473 	}
474 
475 	return 0;
476 }
477 
478 static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
479 				  struct snd_kcontrol *kcontrol, int event)
480 {
481 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
482 
483 	switch (event) {
484 	case SND_SOC_DAPM_POST_PMU:
485 		snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0x20);
486 		break;
487 	case SND_SOC_DAPM_PRE_PMD:
488 		snd_soc_component_write(component, RT298_SET_PIN_DMIC1, 0);
489 		break;
490 	default:
491 		return 0;
492 	}
493 
494 	return 0;
495 }
496 
497 static int rt298_adc_event(struct snd_soc_dapm_widget *w,
498 			     struct snd_kcontrol *kcontrol, int event)
499 {
500 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
501 	unsigned int nid;
502 
503 	nid = (w->reg >> 20) & 0xff;
504 
505 	switch (event) {
506 	case SND_SOC_DAPM_POST_PMU:
507 		snd_soc_component_update_bits(component,
508 			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
509 			0x7080, 0x7000);
510 		 /* If MCLK doesn't exist, reset AD filter */
511 		if (!(snd_soc_component_read32(component, RT298_VAD_CTRL) & 0x200)) {
512 			pr_info("NO MCLK\n");
513 			switch (nid) {
514 			case RT298_ADC_IN1:
515 				snd_soc_component_update_bits(component,
516 					RT298_D_FILTER_CTRL, 0x2, 0x2);
517 				mdelay(10);
518 				snd_soc_component_update_bits(component,
519 					RT298_D_FILTER_CTRL, 0x2, 0x0);
520 				break;
521 			case RT298_ADC_IN2:
522 				snd_soc_component_update_bits(component,
523 					RT298_D_FILTER_CTRL, 0x4, 0x4);
524 				mdelay(10);
525 				snd_soc_component_update_bits(component,
526 					RT298_D_FILTER_CTRL, 0x4, 0x0);
527 				break;
528 			}
529 		}
530 		break;
531 	case SND_SOC_DAPM_PRE_PMD:
532 		snd_soc_component_update_bits(component,
533 			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
534 			0x7080, 0x7080);
535 		break;
536 	default:
537 		return 0;
538 	}
539 
540 	return 0;
541 }
542 
543 static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
544 			     struct snd_kcontrol *kcontrol, int event)
545 {
546 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
547 
548 	switch (event) {
549 	case SND_SOC_DAPM_PRE_PMU:
550 		snd_soc_component_update_bits(component,
551 			RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
552 		snd_soc_component_update_bits(component,
553 			RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
554 		break;
555 	case SND_SOC_DAPM_POST_PMD:
556 		snd_soc_component_update_bits(component,
557 			RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
558 		snd_soc_component_update_bits(component,
559 			RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
560 		break;
561 	default:
562 		return 0;
563 	}
564 
565 	return 0;
566 }
567 
568 static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
569 
570 	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
571 		12, 1, NULL, 0),
572 	SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
573 		0, 1, NULL, 0),
574 	SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
575 		1, 0, NULL, 0),
576 	SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
577 		2, 0, NULL, 0),
578 	SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
579 		3, 0, NULL, 0),
580 	SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
581 		4, 1, NULL, 0),
582 	SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
583 		13, 1, NULL, 0),
584 
585 
586 	SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
587 		5, 0, NULL, 0),
588 	SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
589 		0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
590 		SND_SOC_DAPM_POST_PMD),
591 
592 	/* Input Lines */
593 	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
594 	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
595 	SND_SOC_DAPM_INPUT("MIC1"),
596 	SND_SOC_DAPM_INPUT("LINE1"),
597 	SND_SOC_DAPM_INPUT("Beep"),
598 
599 	/* DMIC */
600 	SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
601 		NULL, 0, rt298_set_dmic1_event,
602 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
603 	SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
604 		NULL, 0),
605 	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
606 		0, 0, NULL, 0),
607 
608 	/* REC Mixer */
609 	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
610 		rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
611 
612 	/* ADCs */
613 	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
614 	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
615 
616 	/* ADC Mux */
617 	SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
618 		&rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
619 		SND_SOC_DAPM_POST_PMU),
620 	SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
621 		&rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
622 		SND_SOC_DAPM_POST_PMU),
623 
624 	/* Audio Interface */
625 	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
626 	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
627 	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
628 	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
629 
630 	/* Output Side */
631 	/* DACs */
632 	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
633 	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
634 
635 	/* Output Mux */
636 	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
637 	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
638 
639 	SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
640 		RT298_SET_PIN_SFT, 0, NULL, 0),
641 
642 	/* Output Mixer */
643 	SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
644 			rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
645 	SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
646 			NULL, 0),
647 
648 	/* Output Pga */
649 	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
650 		&spo_enable_control, rt298_spk_event,
651 		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
652 	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
653 		&hpol_enable_control),
654 	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
655 		&hpor_enable_control),
656 
657 	/* Output Lines */
658 	SND_SOC_DAPM_OUTPUT("SPOL"),
659 	SND_SOC_DAPM_OUTPUT("SPOR"),
660 	SND_SOC_DAPM_OUTPUT("HPO Pin"),
661 	SND_SOC_DAPM_OUTPUT("SPDIF"),
662 };
663 
664 static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
665 
666 	{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
667 	{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
668 	{"Front", NULL, "MCLK MODE", is_mclk_mode},
669 	{"Surround", NULL, "MCLK MODE", is_mclk_mode},
670 
671 	{"HP Power", NULL, "LDO1"},
672 	{"HP Power", NULL, "LDO2"},
673 	{"HP Power", NULL, "LV"},
674 	{"HP Power", NULL, "VREF1"},
675 	{"HP Power", NULL, "BG_MBIAS"},
676 
677 	{"MIC1", NULL, "LDO1"},
678 	{"MIC1", NULL, "LDO2"},
679 	{"MIC1", NULL, "HV"},
680 	{"MIC1", NULL, "LV"},
681 	{"MIC1", NULL, "VREF"},
682 	{"MIC1", NULL, "VREF1"},
683 	{"MIC1", NULL, "BG_MBIAS"},
684 	{"MIC1", NULL, "MIC1 Input Buffer"},
685 
686 	{"SPO", NULL, "LDO1"},
687 	{"SPO", NULL, "LDO2"},
688 	{"SPO", NULL, "HV"},
689 	{"SPO", NULL, "LV"},
690 	{"SPO", NULL, "VREF"},
691 	{"SPO", NULL, "VREF1"},
692 	{"SPO", NULL, "BG_MBIAS"},
693 
694 	{"DMIC1", NULL, "DMIC1 Pin"},
695 	{"DMIC2", NULL, "DMIC2 Pin"},
696 	{"DMIC1", NULL, "DMIC Receiver"},
697 	{"DMIC2", NULL, "DMIC Receiver"},
698 
699 	{"RECMIX", "Beep Switch", "Beep"},
700 	{"RECMIX", "Line1 Switch", "LINE1"},
701 	{"RECMIX", "Mic1 Switch", "MIC1"},
702 
703 	{"ADC 0 Mux", "Dmic", "DMIC1"},
704 	{"ADC 0 Mux", "RECMIX", "RECMIX"},
705 	{"ADC 0 Mux", "Mic", "MIC1"},
706 	{"ADC 1 Mux", "Dmic", "DMIC2"},
707 	{"ADC 1 Mux", "RECMIX", "RECMIX"},
708 	{"ADC 1 Mux", "Mic", "MIC1"},
709 
710 	{"ADC 0", NULL, "ADC 0 Mux"},
711 	{"ADC 1", NULL, "ADC 1 Mux"},
712 
713 	{"AIF1TX", NULL, "ADC 0"},
714 	{"AIF2TX", NULL, "ADC 1"},
715 
716 	{"DAC 0", NULL, "AIF1RX"},
717 	{"DAC 1", NULL, "AIF2RX"},
718 
719 	{"Front", "DAC Switch", "DAC 0"},
720 	{"Front", "RECMIX Switch", "RECMIX"},
721 
722 	{"Surround", NULL, "DAC 1"},
723 
724 	{"SPK Mux", "Front", "Front"},
725 	{"SPK Mux", "Surround", "Surround"},
726 
727 	{"HPO Mux", "Front", "Front"},
728 	{"HPO Mux", "Surround", "Surround"},
729 
730 	{"SPO", "Switch", "SPK Mux"},
731 	{"HPO L", "Switch", "HPO Mux"},
732 	{"HPO R", "Switch", "HPO Mux"},
733 	{"HPO L", NULL, "HP Power"},
734 	{"HPO R", NULL, "HP Power"},
735 
736 	{"SPOL", NULL, "SPO"},
737 	{"SPOR", NULL, "SPO"},
738 	{"HPO Pin", NULL, "HPO L"},
739 	{"HPO Pin", NULL, "HPO R"},
740 };
741 
742 static int rt298_hw_params(struct snd_pcm_substream *substream,
743 			    struct snd_pcm_hw_params *params,
744 			    struct snd_soc_dai *dai)
745 {
746 	struct snd_soc_component *component = dai->component;
747 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
748 	unsigned int val = 0;
749 	int d_len_code;
750 
751 	switch (params_rate(params)) {
752 	/* bit 14 0:48K 1:44.1K */
753 	case 44100:
754 	case 48000:
755 		break;
756 	default:
757 		dev_err(component->dev, "Unsupported sample rate %d\n",
758 					params_rate(params));
759 		return -EINVAL;
760 	}
761 	switch (rt298->sys_clk) {
762 	case 12288000:
763 	case 24576000:
764 		if (params_rate(params) != 48000) {
765 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
766 					params_rate(params), rt298->sys_clk);
767 			return -EINVAL;
768 		}
769 		break;
770 	case 11289600:
771 	case 22579200:
772 		if (params_rate(params) != 44100) {
773 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",
774 					params_rate(params), rt298->sys_clk);
775 			return -EINVAL;
776 		}
777 		break;
778 	}
779 
780 	if (params_channels(params) <= 16) {
781 		/* bit 3:0 Number of Channel */
782 		val |= (params_channels(params) - 1);
783 	} else {
784 		dev_err(component->dev, "Unsupported channels %d\n",
785 					params_channels(params));
786 		return -EINVAL;
787 	}
788 
789 	d_len_code = 0;
790 	switch (params_width(params)) {
791 	/* bit 6:4 Bits per Sample */
792 	case 16:
793 		d_len_code = 0;
794 		val |= (0x1 << 4);
795 		break;
796 	case 32:
797 		d_len_code = 2;
798 		val |= (0x4 << 4);
799 		break;
800 	case 20:
801 		d_len_code = 1;
802 		val |= (0x2 << 4);
803 		break;
804 	case 24:
805 		d_len_code = 2;
806 		val |= (0x3 << 4);
807 		break;
808 	case 8:
809 		d_len_code = 3;
810 		break;
811 	default:
812 		return -EINVAL;
813 	}
814 
815 	snd_soc_component_update_bits(component,
816 		RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
817 	dev_dbg(component->dev, "format val = 0x%x\n", val);
818 
819 	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x407f, val);
820 	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x407f, val);
821 
822 	return 0;
823 }
824 
825 static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
826 {
827 	struct snd_soc_component *component = dai->component;
828 
829 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
830 	case SND_SOC_DAIFMT_CBM_CFM:
831 		snd_soc_component_update_bits(component,
832 			RT298_I2S_CTRL1, 0x800, 0x800);
833 		break;
834 	case SND_SOC_DAIFMT_CBS_CFS:
835 		snd_soc_component_update_bits(component,
836 			RT298_I2S_CTRL1, 0x800, 0x0);
837 		break;
838 	default:
839 		return -EINVAL;
840 	}
841 
842 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
843 	case SND_SOC_DAIFMT_I2S:
844 		snd_soc_component_update_bits(component,
845 			RT298_I2S_CTRL1, 0x300, 0x0);
846 		break;
847 	case SND_SOC_DAIFMT_LEFT_J:
848 		snd_soc_component_update_bits(component,
849 			RT298_I2S_CTRL1, 0x300, 0x1 << 8);
850 		break;
851 	case SND_SOC_DAIFMT_DSP_A:
852 		snd_soc_component_update_bits(component,
853 			RT298_I2S_CTRL1, 0x300, 0x2 << 8);
854 		break;
855 	case SND_SOC_DAIFMT_DSP_B:
856 		snd_soc_component_update_bits(component,
857 			RT298_I2S_CTRL1, 0x300, 0x3 << 8);
858 		break;
859 	default:
860 		return -EINVAL;
861 	}
862 	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
863 	snd_soc_component_update_bits(component, RT298_DAC_FORMAT, 0x8000, 0);
864 	snd_soc_component_update_bits(component, RT298_ADC_FORMAT, 0x8000, 0);
865 
866 	return 0;
867 }
868 
869 static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
870 				int clk_id, unsigned int freq, int dir)
871 {
872 	struct snd_soc_component *component = dai->component;
873 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
874 
875 	dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);
876 
877 	if (RT298_SCLK_S_MCLK == clk_id) {
878 		snd_soc_component_update_bits(component,
879 			RT298_I2S_CTRL2, 0x0100, 0x0);
880 		snd_soc_component_update_bits(component,
881 			RT298_PLL_CTRL1, 0x20, 0x20);
882 	} else {
883 		snd_soc_component_update_bits(component,
884 			RT298_I2S_CTRL2, 0x0100, 0x0100);
885 		snd_soc_component_update_bits(component,
886 			RT298_PLL_CTRL1, 0x20, 0x0);
887 	}
888 
889 	switch (freq) {
890 	case 19200000:
891 		if (RT298_SCLK_S_MCLK == clk_id) {
892 			dev_err(component->dev, "Should not use MCLK\n");
893 			return -EINVAL;
894 		}
895 		snd_soc_component_update_bits(component,
896 			RT298_I2S_CTRL2, 0x40, 0x40);
897 		break;
898 	case 24000000:
899 		if (RT298_SCLK_S_MCLK == clk_id) {
900 			dev_err(component->dev, "Should not use MCLK\n");
901 			return -EINVAL;
902 		}
903 		snd_soc_component_update_bits(component,
904 			RT298_I2S_CTRL2, 0x40, 0x0);
905 		break;
906 	case 12288000:
907 	case 11289600:
908 		snd_soc_component_update_bits(component,
909 			RT298_I2S_CTRL2, 0x8, 0x0);
910 		snd_soc_component_update_bits(component,
911 			RT298_CLK_DIV, 0xfc1e, 0x0004);
912 		break;
913 	case 24576000:
914 	case 22579200:
915 		snd_soc_component_update_bits(component,
916 			RT298_I2S_CTRL2, 0x8, 0x8);
917 		snd_soc_component_update_bits(component,
918 			RT298_CLK_DIV, 0xfc1e, 0x5406);
919 		break;
920 	default:
921 		dev_err(component->dev, "Unsupported system clock\n");
922 		return -EINVAL;
923 	}
924 
925 	rt298->sys_clk = freq;
926 	rt298->clk_id = clk_id;
927 
928 	return 0;
929 }
930 
931 static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
932 {
933 	struct snd_soc_component *component = dai->component;
934 
935 	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);
936 	if (50 == ratio)
937 		snd_soc_component_update_bits(component,
938 			RT298_I2S_CTRL1, 0x1000, 0x1000);
939 	else
940 		snd_soc_component_update_bits(component,
941 			RT298_I2S_CTRL1, 0x1000, 0x0);
942 
943 
944 	return 0;
945 }
946 
947 static int rt298_set_bias_level(struct snd_soc_component *component,
948 				 enum snd_soc_bias_level level)
949 {
950 	switch (level) {
951 	case SND_SOC_BIAS_PREPARE:
952 		if (SND_SOC_BIAS_STANDBY ==
953 			snd_soc_component_get_bias_level(component)) {
954 			snd_soc_component_write(component,
955 				RT298_SET_AUDIO_POWER, AC_PWRST_D0);
956 			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x200);
957 			snd_soc_component_update_bits(component, 0x52, 0x80, 0x0);
958 			mdelay(20);
959 			snd_soc_component_update_bits(component, 0x0d, 0x200, 0x0);
960 			snd_soc_component_update_bits(component, 0x52, 0x80, 0x80);
961 		}
962 		break;
963 
964 	case SND_SOC_BIAS_STANDBY:
965 		snd_soc_component_write(component,
966 			RT298_SET_AUDIO_POWER, AC_PWRST_D3);
967 		break;
968 
969 	default:
970 		break;
971 	}
972 
973 	return 0;
974 }
975 
976 static irqreturn_t rt298_irq(int irq, void *data)
977 {
978 	struct rt298_priv *rt298 = data;
979 	bool hp = false;
980 	bool mic = false;
981 	int ret, status = 0;
982 
983 	ret = rt298_jack_detect(rt298, &hp, &mic);
984 
985 	/* Clear IRQ */
986 	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
987 
988 	if (ret == 0) {
989 		if (hp)
990 			status |= SND_JACK_HEADPHONE;
991 
992 		if (mic)
993 			status |= SND_JACK_MICROPHONE;
994 
995 		snd_soc_jack_report(rt298->jack, status,
996 			SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
997 
998 		pm_wakeup_event(&rt298->i2c->dev, 300);
999 	}
1000 
1001 	return IRQ_HANDLED;
1002 }
1003 
1004 static int rt298_probe(struct snd_soc_component *component)
1005 {
1006 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1007 
1008 	rt298->component = component;
1009 
1010 	if (rt298->i2c->irq) {
1011 		regmap_update_bits(rt298->regmap,
1012 					RT298_IRQ_CTRL, 0x2, 0x2);
1013 
1014 		INIT_DELAYED_WORK(&rt298->jack_detect_work,
1015 					rt298_jack_detect_work);
1016 		schedule_delayed_work(&rt298->jack_detect_work,
1017 					msecs_to_jiffies(1250));
1018 	}
1019 
1020 	return 0;
1021 }
1022 
1023 static void rt298_remove(struct snd_soc_component *component)
1024 {
1025 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1026 
1027 	cancel_delayed_work_sync(&rt298->jack_detect_work);
1028 }
1029 
1030 #ifdef CONFIG_PM
1031 static int rt298_suspend(struct snd_soc_component *component)
1032 {
1033 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1034 
1035 	rt298->is_hp_in = -1;
1036 	regcache_cache_only(rt298->regmap, true);
1037 	regcache_mark_dirty(rt298->regmap);
1038 
1039 	return 0;
1040 }
1041 
1042 static int rt298_resume(struct snd_soc_component *component)
1043 {
1044 	struct rt298_priv *rt298 = snd_soc_component_get_drvdata(component);
1045 
1046 	regcache_cache_only(rt298->regmap, false);
1047 	rt298_index_sync(component);
1048 	regcache_sync(rt298->regmap);
1049 
1050 	return 0;
1051 }
1052 #else
1053 #define rt298_suspend NULL
1054 #define rt298_resume NULL
1055 #endif
1056 
1057 #define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1058 #define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1059 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1060 
1061 static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1062 	.hw_params = rt298_hw_params,
1063 	.set_fmt = rt298_set_dai_fmt,
1064 	.set_sysclk = rt298_set_dai_sysclk,
1065 	.set_bclk_ratio = rt298_set_bclk_ratio,
1066 };
1067 
1068 static struct snd_soc_dai_driver rt298_dai[] = {
1069 	{
1070 		.name = "rt298-aif1",
1071 		.id = RT298_AIF1,
1072 		.playback = {
1073 			.stream_name = "AIF1 Playback",
1074 			.channels_min = 1,
1075 			.channels_max = 2,
1076 			.rates = RT298_STEREO_RATES,
1077 			.formats = RT298_FORMATS,
1078 		},
1079 		.capture = {
1080 			.stream_name = "AIF1 Capture",
1081 			.channels_min = 1,
1082 			.channels_max = 2,
1083 			.rates = RT298_STEREO_RATES,
1084 			.formats = RT298_FORMATS,
1085 		},
1086 		.ops = &rt298_aif_dai_ops,
1087 		.symmetric_rates = 1,
1088 	},
1089 	{
1090 		.name = "rt298-aif2",
1091 		.id = RT298_AIF2,
1092 		.playback = {
1093 			.stream_name = "AIF2 Playback",
1094 			.channels_min = 1,
1095 			.channels_max = 2,
1096 			.rates = RT298_STEREO_RATES,
1097 			.formats = RT298_FORMATS,
1098 		},
1099 		.capture = {
1100 			.stream_name = "AIF2 Capture",
1101 			.channels_min = 1,
1102 			.channels_max = 2,
1103 			.rates = RT298_STEREO_RATES,
1104 			.formats = RT298_FORMATS,
1105 		},
1106 		.ops = &rt298_aif_dai_ops,
1107 		.symmetric_rates = 1,
1108 	},
1109 
1110 };
1111 
1112 static const struct snd_soc_component_driver soc_component_dev_rt298 = {
1113 	.probe			= rt298_probe,
1114 	.remove			= rt298_remove,
1115 	.suspend		= rt298_suspend,
1116 	.resume			= rt298_resume,
1117 	.set_bias_level		= rt298_set_bias_level,
1118 	.controls		= rt298_snd_controls,
1119 	.num_controls		= ARRAY_SIZE(rt298_snd_controls),
1120 	.dapm_widgets		= rt298_dapm_widgets,
1121 	.num_dapm_widgets	= ARRAY_SIZE(rt298_dapm_widgets),
1122 	.dapm_routes		= rt298_dapm_routes,
1123 	.num_dapm_routes	= ARRAY_SIZE(rt298_dapm_routes),
1124 	.use_pmdown_time	= 1,
1125 	.endianness		= 1,
1126 	.non_legacy_dai_naming	= 1,
1127 };
1128 
1129 static const struct regmap_config rt298_regmap = {
1130 	.reg_bits = 32,
1131 	.val_bits = 32,
1132 	.max_register = 0x02370100,
1133 	.volatile_reg = rt298_volatile_register,
1134 	.readable_reg = rt298_readable_register,
1135 	.reg_write = rl6347a_hw_write,
1136 	.reg_read = rl6347a_hw_read,
1137 	.cache_type = REGCACHE_RBTREE,
1138 	.reg_defaults = rt298_reg,
1139 	.num_reg_defaults = ARRAY_SIZE(rt298_reg),
1140 };
1141 
1142 static const struct i2c_device_id rt298_i2c_id[] = {
1143 	{"rt298", 0},
1144 	{}
1145 };
1146 MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1147 
1148 static const struct acpi_device_id rt298_acpi_match[] = {
1149 	{ "INT343A", 0 },
1150 	{},
1151 };
1152 MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
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 };
1171 
1172 static int rt298_i2c_probe(struct i2c_client *i2c,
1173 			   const struct i2c_device_id *id)
1174 {
1175 	struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1176 	struct rt298_priv *rt298;
1177 	struct device *dev = &i2c->dev;
1178 	const struct acpi_device_id *acpiid;
1179 	int i, ret;
1180 
1181 	rt298 = devm_kzalloc(&i2c->dev,	sizeof(*rt298),
1182 				GFP_KERNEL);
1183 	if (NULL == rt298)
1184 		return -ENOMEM;
1185 
1186 	rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1187 	if (IS_ERR(rt298->regmap)) {
1188 		ret = PTR_ERR(rt298->regmap);
1189 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1190 			ret);
1191 		return ret;
1192 	}
1193 
1194 	regmap_read(rt298->regmap,
1195 		RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1196 	if (ret != RT298_VENDOR_ID) {
1197 		dev_err(&i2c->dev,
1198 			"Device with ID register %#x is not rt298\n", ret);
1199 		return -ENODEV;
1200 	}
1201 
1202 	rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1203 					  sizeof(rt298_index_def), GFP_KERNEL);
1204 	if (!rt298->index_cache)
1205 		return -ENOMEM;
1206 
1207 	rt298->index_cache_size = INDEX_CACHE_SIZE;
1208 	rt298->i2c = i2c;
1209 	i2c_set_clientdata(i2c, rt298);
1210 
1211 	/* restore codec default */
1212 	for (i = 0; i < INDEX_CACHE_SIZE; i++)
1213 		regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1214 				rt298->index_cache[i].def);
1215 	for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1216 		regmap_write(rt298->regmap, rt298_reg[i].reg,
1217 				rt298_reg[i].def);
1218 
1219 	if (pdata)
1220 		rt298->pdata = *pdata;
1221 
1222 	/* enable jack combo mode on supported devices */
1223 	acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1224 	if (acpiid && acpiid->driver_data) {
1225 		rt298->pdata = *(struct rt298_platform_data *)
1226 				acpiid->driver_data;
1227 	}
1228 
1229 	if (dmi_check_system(force_combo_jack_table)) {
1230 		rt298->pdata.cbj_en = true;
1231 		rt298->pdata.gpio2_en = false;
1232 	}
1233 
1234 	/* VREF Charging */
1235 	regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1236 	regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1237 	/* Vref2 */
1238 	regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1239 
1240 	regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1241 
1242 	for (i = 0; i < RT298_POWER_REG_LEN; i++)
1243 		regmap_write(rt298->regmap,
1244 			RT298_SET_POWER(rt298_support_power_controls[i]),
1245 			AC_PWRST_D1);
1246 
1247 	if (!rt298->pdata.cbj_en) {
1248 		regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1249 		regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1250 		regmap_update_bits(rt298->regmap,
1251 					RT298_CBJ_CTRL1, 0xf000, 0xb000);
1252 	} else {
1253 		regmap_update_bits(rt298->regmap,
1254 					RT298_CBJ_CTRL1, 0xf000, 0x5000);
1255 	}
1256 
1257 	mdelay(10);
1258 
1259 	if (!rt298->pdata.gpio2_en)
1260 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1261 	else
1262 		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1263 
1264 	mdelay(10);
1265 
1266 	regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1267 	regmap_update_bits(rt298->regmap,
1268 				RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1269 
1270 	regmap_write(rt298->regmap, RT298_UNSOLICITED_INLINE_CMD, 0x81);
1271 	regmap_write(rt298->regmap, RT298_UNSOLICITED_HP_OUT, 0x82);
1272 	regmap_write(rt298->regmap, RT298_UNSOLICITED_MIC1, 0x84);
1273 	regmap_update_bits(rt298->regmap, RT298_IRQ_FLAG_CTRL, 0x2, 0x2);
1274 
1275 	rt298->is_hp_in = -1;
1276 
1277 	if (rt298->i2c->irq) {
1278 		ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1279 			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1280 		if (ret != 0) {
1281 			dev_err(&i2c->dev,
1282 				"Failed to reguest IRQ: %d\n", ret);
1283 			return ret;
1284 		}
1285 	}
1286 
1287 	ret = devm_snd_soc_register_component(&i2c->dev,
1288 				     &soc_component_dev_rt298,
1289 				     rt298_dai, ARRAY_SIZE(rt298_dai));
1290 
1291 	return ret;
1292 }
1293 
1294 static int rt298_i2c_remove(struct i2c_client *i2c)
1295 {
1296 	struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1297 
1298 	if (i2c->irq)
1299 		free_irq(i2c->irq, rt298);
1300 
1301 	return 0;
1302 }
1303 
1304 
1305 static struct i2c_driver rt298_i2c_driver = {
1306 	.driver = {
1307 		   .name = "rt298",
1308 		   .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1309 		   },
1310 	.probe = rt298_i2c_probe,
1311 	.remove = rt298_i2c_remove,
1312 	.id_table = rt298_i2c_id,
1313 };
1314 
1315 module_i2c_driver(rt298_i2c_driver);
1316 
1317 MODULE_DESCRIPTION("ASoC RT298 driver");
1318 MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1319 MODULE_LICENSE("GPL");
1320