1/*
2 * rt298.c  --  RT298 ALSA SoC audio codec driver
3 *
4 * Copyright 2015 Realtek Semiconductor Corp.
5 * Author: Bard Liao <bardliao@realtek.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
10 */
11
12#include <linux/module.h>
13#include <linux/moduleparam.h>
14#include <linux/init.h>
15#include <linux/delay.h>
16#include <linux/pm.h>
17#include <linux/i2c.h>
18#include <linux/platform_device.h>
19#include <linux/spi/spi.h>
20#include <linux/acpi.h>
21#include <sound/core.h>
22#include <sound/pcm.h>
23#include <sound/pcm_params.h>
24#include <sound/soc.h>
25#include <sound/soc-dapm.h>
26#include <sound/initval.h>
27#include <sound/tlv.h>
28#include <sound/jack.h>
29#include <linux/workqueue.h>
30#include <sound/rt298.h>
31
32#include "rl6347a.h"
33#include "rt298.h"
34
35#define RT298_VENDOR_ID 0x10ec0298
36
37struct rt298_priv {
38	struct reg_default *index_cache;
39	int index_cache_size;
40	struct regmap *regmap;
41	struct snd_soc_codec *codec;
42	struct rt298_platform_data pdata;
43	struct i2c_client *i2c;
44	struct snd_soc_jack *jack;
45	struct delayed_work jack_detect_work;
46	int sys_clk;
47	int clk_id;
48	int is_hp_in;
49};
50
51static const struct reg_default rt298_index_def[] = {
52	{ 0x01, 0xa5a8 },
53	{ 0x02, 0x8e95 },
54	{ 0x03, 0x0002 },
55	{ 0x04, 0xaf67 },
56	{ 0x08, 0x200f },
57	{ 0x09, 0xd010 },
58	{ 0x0a, 0x0100 },
59	{ 0x0b, 0x0000 },
60	{ 0x0d, 0x2800 },
61	{ 0x0f, 0x0022 },
62	{ 0x19, 0x0217 },
63	{ 0x20, 0x0020 },
64	{ 0x33, 0x0208 },
65	{ 0x46, 0x0300 },
66	{ 0x49, 0x4004 },
67	{ 0x4f, 0x50c9 },
68	{ 0x50, 0x3000 },
69	{ 0x63, 0x1b02 },
70	{ 0x67, 0x1111 },
71	{ 0x68, 0x1016 },
72	{ 0x69, 0x273f },
73};
74#define INDEX_CACHE_SIZE ARRAY_SIZE(rt298_index_def)
75
76static const struct reg_default rt298_reg[] = {
77	{ 0x00170500, 0x00000400 },
78	{ 0x00220000, 0x00000031 },
79	{ 0x00239000, 0x0000007f },
80	{ 0x0023a000, 0x0000007f },
81	{ 0x00270500, 0x00000400 },
82	{ 0x00370500, 0x00000400 },
83	{ 0x00870500, 0x00000400 },
84	{ 0x00920000, 0x00000031 },
85	{ 0x00935000, 0x000000c3 },
86	{ 0x00936000, 0x000000c3 },
87	{ 0x00970500, 0x00000400 },
88	{ 0x00b37000, 0x00000097 },
89	{ 0x00b37200, 0x00000097 },
90	{ 0x00b37300, 0x00000097 },
91	{ 0x00c37000, 0x00000000 },
92	{ 0x00c37100, 0x00000080 },
93	{ 0x01270500, 0x00000400 },
94	{ 0x01370500, 0x00000400 },
95	{ 0x01371f00, 0x411111f0 },
96	{ 0x01439000, 0x00000080 },
97	{ 0x0143a000, 0x00000080 },
98	{ 0x01470700, 0x00000000 },
99	{ 0x01470500, 0x00000400 },
100	{ 0x01470c00, 0x00000000 },
101	{ 0x01470100, 0x00000000 },
102	{ 0x01837000, 0x00000000 },
103	{ 0x01870500, 0x00000400 },
104	{ 0x02050000, 0x00000000 },
105	{ 0x02139000, 0x00000080 },
106	{ 0x0213a000, 0x00000080 },
107	{ 0x02170100, 0x00000000 },
108	{ 0x02170500, 0x00000400 },
109	{ 0x02170700, 0x00000000 },
110	{ 0x02270100, 0x00000000 },
111	{ 0x02370100, 0x00000000 },
112	{ 0x01870700, 0x00000020 },
113	{ 0x00830000, 0x000000c3 },
114	{ 0x00930000, 0x000000c3 },
115	{ 0x01270700, 0x00000000 },
116};
117
118static bool rt298_volatile_register(struct device *dev, unsigned int reg)
119{
120	switch (reg) {
121	case 0 ... 0xff:
122	case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
123	case RT298_GET_HP_SENSE:
124	case RT298_GET_MIC1_SENSE:
125	case RT298_PROC_COEF:
126	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
127	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
128	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
129		return true;
130	default:
131		return false;
132	}
133
134
135}
136
137static bool rt298_readable_register(struct device *dev, unsigned int reg)
138{
139	switch (reg) {
140	case 0 ... 0xff:
141	case RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID):
142	case RT298_GET_HP_SENSE:
143	case RT298_GET_MIC1_SENSE:
144	case RT298_SET_AUDIO_POWER:
145	case RT298_SET_HPO_POWER:
146	case RT298_SET_SPK_POWER:
147	case RT298_SET_DMIC1_POWER:
148	case RT298_SPK_MUX:
149	case RT298_HPO_MUX:
150	case RT298_ADC0_MUX:
151	case RT298_ADC1_MUX:
152	case RT298_SET_MIC1:
153	case RT298_SET_PIN_HPO:
154	case RT298_SET_PIN_SPK:
155	case RT298_SET_PIN_DMIC1:
156	case RT298_SPK_EAPD:
157	case RT298_SET_AMP_GAIN_HPO:
158	case RT298_SET_DMIC2_DEFAULT:
159	case RT298_DACL_GAIN:
160	case RT298_DACR_GAIN:
161	case RT298_ADCL_GAIN:
162	case RT298_ADCR_GAIN:
163	case RT298_MIC_GAIN:
164	case RT298_SPOL_GAIN:
165	case RT298_SPOR_GAIN:
166	case RT298_HPOL_GAIN:
167	case RT298_HPOR_GAIN:
168	case RT298_F_DAC_SWITCH:
169	case RT298_F_RECMIX_SWITCH:
170	case RT298_REC_MIC_SWITCH:
171	case RT298_REC_I2S_SWITCH:
172	case RT298_REC_LINE_SWITCH:
173	case RT298_REC_BEEP_SWITCH:
174	case RT298_DAC_FORMAT:
175	case RT298_ADC_FORMAT:
176	case RT298_COEF_INDEX:
177	case RT298_PROC_COEF:
178	case RT298_SET_AMP_GAIN_ADC_IN1:
179	case RT298_SET_AMP_GAIN_ADC_IN2:
180	case RT298_SET_POWER(RT298_DAC_OUT1):
181	case RT298_SET_POWER(RT298_DAC_OUT2):
182	case RT298_SET_POWER(RT298_ADC_IN1):
183	case RT298_SET_POWER(RT298_ADC_IN2):
184	case RT298_SET_POWER(RT298_DMIC2):
185	case RT298_SET_POWER(RT298_MIC1):
186	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_MIC1, 0):
187	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_SPK_OUT, 0):
188	case VERB_CMD(AC_VERB_GET_EAPD_BTLENABLE, RT298_HP_OUT, 0):
189		return true;
190	default:
191		return false;
192	}
193}
194
195#ifdef CONFIG_PM
196static void rt298_index_sync(struct snd_soc_codec *codec)
197{
198	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
199	int i;
200
201	for (i = 0; i < INDEX_CACHE_SIZE; i++) {
202		snd_soc_write(codec, rt298->index_cache[i].reg,
203				  rt298->index_cache[i].def);
204	}
205}
206#endif
207
208static int rt298_support_power_controls[] = {
209	RT298_DAC_OUT1,
210	RT298_DAC_OUT2,
211	RT298_ADC_IN1,
212	RT298_ADC_IN2,
213	RT298_MIC1,
214	RT298_DMIC1,
215	RT298_DMIC2,
216	RT298_SPK_OUT,
217	RT298_HP_OUT,
218};
219#define RT298_POWER_REG_LEN ARRAY_SIZE(rt298_support_power_controls)
220
221static int rt298_jack_detect(struct rt298_priv *rt298, bool *hp, bool *mic)
222{
223	struct snd_soc_dapm_context *dapm;
224	unsigned int val, buf;
225
226	*hp = false;
227	*mic = false;
228
229	if (!rt298->codec)
230		return -EINVAL;
231
232	dapm = snd_soc_codec_get_dapm(rt298->codec);
233
234	if (rt298->pdata.cbj_en) {
235		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
236		*hp = buf & 0x80000000;
237		if (*hp == rt298->is_hp_in)
238			return -1;
239		rt298->is_hp_in = *hp;
240		if (*hp) {
241			/* power on HV,VERF */
242			regmap_update_bits(rt298->regmap,
243				RT298_DC_GAIN, 0x200, 0x200);
244
245			snd_soc_dapm_force_enable_pin(dapm, "HV");
246			snd_soc_dapm_force_enable_pin(dapm, "VREF");
247			/* power LDO1 */
248			snd_soc_dapm_force_enable_pin(dapm, "LDO1");
249			snd_soc_dapm_sync(dapm);
250
251			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x24);
252			msleep(50);
253
254			regmap_update_bits(rt298->regmap,
255				RT298_CBJ_CTRL1, 0xfcc0, 0xd400);
256			msleep(300);
257			regmap_read(rt298->regmap, RT298_CBJ_CTRL2, &val);
258
259			if (0x0070 == (val & 0x0070)) {
260				*mic = true;
261			} else {
262				regmap_update_bits(rt298->regmap,
263					RT298_CBJ_CTRL1, 0xfcc0, 0xe400);
264				msleep(300);
265				regmap_read(rt298->regmap,
266					RT298_CBJ_CTRL2, &val);
267				if (0x0070 == (val & 0x0070))
268					*mic = true;
269				else
270					*mic = false;
271			}
272			regmap_update_bits(rt298->regmap,
273				RT298_DC_GAIN, 0x200, 0x0);
274
275		} else {
276			*mic = false;
277			regmap_write(rt298->regmap, RT298_SET_MIC1, 0x20);
278		}
279	} else {
280		regmap_read(rt298->regmap, RT298_GET_HP_SENSE, &buf);
281		*hp = buf & 0x80000000;
282		regmap_read(rt298->regmap, RT298_GET_MIC1_SENSE, &buf);
283		*mic = buf & 0x80000000;
284	}
285
286	snd_soc_dapm_disable_pin(dapm, "HV");
287	snd_soc_dapm_disable_pin(dapm, "VREF");
288	if (!*hp)
289		snd_soc_dapm_disable_pin(dapm, "LDO1");
290	snd_soc_dapm_sync(dapm);
291
292	pr_debug("*hp = %d *mic = %d\n", *hp, *mic);
293
294	return 0;
295}
296
297static void rt298_jack_detect_work(struct work_struct *work)
298{
299	struct rt298_priv *rt298 =
300		container_of(work, struct rt298_priv, jack_detect_work.work);
301	int status = 0;
302	bool hp = false;
303	bool mic = false;
304
305	if (rt298_jack_detect(rt298, &hp, &mic) < 0)
306		return;
307
308	if (hp == true)
309		status |= SND_JACK_HEADPHONE;
310
311	if (mic == true)
312		status |= SND_JACK_MICROPHONE;
313
314	snd_soc_jack_report(rt298->jack, status,
315		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
316}
317
318int rt298_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack)
319{
320	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
321
322	rt298->jack = jack;
323
324	/* Send an initial empty report */
325	snd_soc_jack_report(rt298->jack, 0,
326		SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
327
328	return 0;
329}
330EXPORT_SYMBOL_GPL(rt298_mic_detect);
331
332static int is_mclk_mode(struct snd_soc_dapm_widget *source,
333			 struct snd_soc_dapm_widget *sink)
334{
335	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(source->dapm);
336	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
337
338	if (rt298->clk_id == RT298_SCLK_S_MCLK)
339		return 1;
340	else
341		return 0;
342}
343
344static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
345static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, 0, 1000, 0);
346
347static const struct snd_kcontrol_new rt298_snd_controls[] = {
348	SOC_DOUBLE_R_TLV("DAC0 Playback Volume", RT298_DACL_GAIN,
349			    RT298_DACR_GAIN, 0, 0x7f, 0, out_vol_tlv),
350	SOC_DOUBLE_R_TLV("ADC0 Capture Volume", RT298_ADCL_GAIN,
351			    RT298_ADCR_GAIN, 0, 0x7f, 0, out_vol_tlv),
352	SOC_SINGLE_TLV("AMIC Volume", RT298_MIC_GAIN,
353			    0, 0x3, 0, mic_vol_tlv),
354	SOC_DOUBLE_R("Speaker Playback Switch", RT298_SPOL_GAIN,
355			    RT298_SPOR_GAIN, RT298_MUTE_SFT, 1, 1),
356};
357
358/* Digital Mixer */
359static const struct snd_kcontrol_new rt298_front_mix[] = {
360	SOC_DAPM_SINGLE("DAC Switch",  RT298_F_DAC_SWITCH,
361			RT298_MUTE_SFT, 1, 1),
362	SOC_DAPM_SINGLE("RECMIX Switch", RT298_F_RECMIX_SWITCH,
363			RT298_MUTE_SFT, 1, 1),
364};
365
366/* Analog Input Mixer */
367static const struct snd_kcontrol_new rt298_rec_mix[] = {
368	SOC_DAPM_SINGLE("Mic1 Switch", RT298_REC_MIC_SWITCH,
369			RT298_MUTE_SFT, 1, 1),
370	SOC_DAPM_SINGLE("I2S Switch", RT298_REC_I2S_SWITCH,
371			RT298_MUTE_SFT, 1, 1),
372	SOC_DAPM_SINGLE("Line1 Switch", RT298_REC_LINE_SWITCH,
373			RT298_MUTE_SFT, 1, 1),
374	SOC_DAPM_SINGLE("Beep Switch", RT298_REC_BEEP_SWITCH,
375			RT298_MUTE_SFT, 1, 1),
376};
377
378static const struct snd_kcontrol_new spo_enable_control =
379	SOC_DAPM_SINGLE("Switch", RT298_SET_PIN_SPK,
380			RT298_SET_PIN_SFT, 1, 0);
381
382static const struct snd_kcontrol_new hpol_enable_control =
383	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOL_GAIN,
384			RT298_MUTE_SFT, 1, 1);
385
386static const struct snd_kcontrol_new hpor_enable_control =
387	SOC_DAPM_SINGLE_AUTODISABLE("Switch", RT298_HPOR_GAIN,
388			RT298_MUTE_SFT, 1, 1);
389
390/* ADC0 source */
391static const char * const rt298_adc_src[] = {
392	"Mic", "RECMIX", "Dmic"
393};
394
395static const int rt298_adc_values[] = {
396	0, 4, 5,
397};
398
399static SOC_VALUE_ENUM_SINGLE_DECL(
400	rt298_adc0_enum, RT298_ADC0_MUX, RT298_ADC_SEL_SFT,
401	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
402
403static const struct snd_kcontrol_new rt298_adc0_mux =
404	SOC_DAPM_ENUM("ADC 0 source", rt298_adc0_enum);
405
406static SOC_VALUE_ENUM_SINGLE_DECL(
407	rt298_adc1_enum, RT298_ADC1_MUX, RT298_ADC_SEL_SFT,
408	RT298_ADC_SEL_MASK, rt298_adc_src, rt298_adc_values);
409
410static const struct snd_kcontrol_new rt298_adc1_mux =
411	SOC_DAPM_ENUM("ADC 1 source", rt298_adc1_enum);
412
413static const char * const rt298_dac_src[] = {
414	"Front", "Surround"
415};
416/* HP-OUT source */
417static SOC_ENUM_SINGLE_DECL(rt298_hpo_enum, RT298_HPO_MUX,
418				0, rt298_dac_src);
419
420static const struct snd_kcontrol_new rt298_hpo_mux =
421SOC_DAPM_ENUM("HPO source", rt298_hpo_enum);
422
423/* SPK-OUT source */
424static SOC_ENUM_SINGLE_DECL(rt298_spo_enum, RT298_SPK_MUX,
425				0, rt298_dac_src);
426
427static const struct snd_kcontrol_new rt298_spo_mux =
428SOC_DAPM_ENUM("SPO source", rt298_spo_enum);
429
430static int rt298_spk_event(struct snd_soc_dapm_widget *w,
431			    struct snd_kcontrol *kcontrol, int event)
432{
433	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
434
435	switch (event) {
436	case SND_SOC_DAPM_POST_PMU:
437		snd_soc_write(codec,
438			RT298_SPK_EAPD, RT298_SET_EAPD_HIGH);
439		break;
440	case SND_SOC_DAPM_PRE_PMD:
441		snd_soc_write(codec,
442			RT298_SPK_EAPD, RT298_SET_EAPD_LOW);
443		break;
444
445	default:
446		return 0;
447	}
448
449	return 0;
450}
451
452static int rt298_set_dmic1_event(struct snd_soc_dapm_widget *w,
453				  struct snd_kcontrol *kcontrol, int event)
454{
455	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
456
457	switch (event) {
458	case SND_SOC_DAPM_POST_PMU:
459		snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0x20);
460		break;
461	case SND_SOC_DAPM_PRE_PMD:
462		snd_soc_write(codec, RT298_SET_PIN_DMIC1, 0);
463		break;
464	default:
465		return 0;
466	}
467
468	return 0;
469}
470
471static int rt298_adc_event(struct snd_soc_dapm_widget *w,
472			     struct snd_kcontrol *kcontrol, int event)
473{
474	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
475	unsigned int nid;
476
477	nid = (w->reg >> 20) & 0xff;
478
479	switch (event) {
480	case SND_SOC_DAPM_POST_PMU:
481		snd_soc_update_bits(codec,
482			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
483			0x7080, 0x7000);
484		break;
485	case SND_SOC_DAPM_PRE_PMD:
486		snd_soc_update_bits(codec,
487			VERB_CMD(AC_VERB_SET_AMP_GAIN_MUTE, nid, 0),
488			0x7080, 0x7080);
489		break;
490	default:
491		return 0;
492	}
493
494	return 0;
495}
496
497static int rt298_mic1_event(struct snd_soc_dapm_widget *w,
498			     struct snd_kcontrol *kcontrol, int event)
499{
500	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
501
502	switch (event) {
503	case SND_SOC_DAPM_PRE_PMU:
504		snd_soc_update_bits(codec,
505			RT298_A_BIAS_CTRL3, 0xc000, 0x8000);
506		snd_soc_update_bits(codec,
507			RT298_A_BIAS_CTRL2, 0xc000, 0x8000);
508		break;
509	case SND_SOC_DAPM_POST_PMD:
510		snd_soc_update_bits(codec,
511			RT298_A_BIAS_CTRL3, 0xc000, 0x0000);
512		snd_soc_update_bits(codec,
513			RT298_A_BIAS_CTRL2, 0xc000, 0x0000);
514		break;
515	default:
516		return 0;
517	}
518
519	return 0;
520}
521
522static int rt298_vref_event(struct snd_soc_dapm_widget *w,
523			     struct snd_kcontrol *kcontrol, int event)
524{
525	struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
526
527	switch (event) {
528	case SND_SOC_DAPM_PRE_PMU:
529		snd_soc_update_bits(codec,
530			RT298_CBJ_CTRL1, 0x0400, 0x0000);
531		mdelay(50);
532		break;
533	default:
534		return 0;
535	}
536
537	return 0;
538}
539
540static const struct snd_soc_dapm_widget rt298_dapm_widgets[] = {
541
542	SND_SOC_DAPM_SUPPLY_S("HV", 1, RT298_POWER_CTRL1,
543		12, 1, NULL, 0),
544	SND_SOC_DAPM_SUPPLY("VREF", RT298_POWER_CTRL1,
545		0, 1, rt298_vref_event, SND_SOC_DAPM_PRE_PMU),
546	SND_SOC_DAPM_SUPPLY_S("BG_MBIAS", 1, RT298_POWER_CTRL2,
547		1, 0, NULL, 0),
548	SND_SOC_DAPM_SUPPLY_S("LDO1", 1, RT298_POWER_CTRL2,
549		2, 0, NULL, 0),
550	SND_SOC_DAPM_SUPPLY_S("LDO2", 1, RT298_POWER_CTRL2,
551		3, 0, NULL, 0),
552	SND_SOC_DAPM_SUPPLY_S("VREF1", 1, RT298_POWER_CTRL2,
553		4, 1, NULL, 0),
554	SND_SOC_DAPM_SUPPLY_S("LV", 2, RT298_POWER_CTRL1,
555		13, 1, NULL, 0),
556
557
558	SND_SOC_DAPM_SUPPLY("MCLK MODE", RT298_PLL_CTRL1,
559		5, 0, NULL, 0),
560	SND_SOC_DAPM_SUPPLY("MIC1 Input Buffer", SND_SOC_NOPM,
561		0, 0, rt298_mic1_event, SND_SOC_DAPM_PRE_PMU |
562		SND_SOC_DAPM_POST_PMD),
563
564	/* Input Lines */
565	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
566	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
567	SND_SOC_DAPM_INPUT("MIC1"),
568	SND_SOC_DAPM_INPUT("LINE1"),
569	SND_SOC_DAPM_INPUT("Beep"),
570
571	/* DMIC */
572	SND_SOC_DAPM_PGA_E("DMIC1", RT298_SET_POWER(RT298_DMIC1), 0, 1,
573		NULL, 0, rt298_set_dmic1_event,
574		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
575	SND_SOC_DAPM_PGA("DMIC2", RT298_SET_POWER(RT298_DMIC2), 0, 1,
576		NULL, 0),
577	SND_SOC_DAPM_SUPPLY("DMIC Receiver", SND_SOC_NOPM,
578		0, 0, NULL, 0),
579
580	/* REC Mixer */
581	SND_SOC_DAPM_MIXER("RECMIX", SND_SOC_NOPM, 0, 0,
582		rt298_rec_mix, ARRAY_SIZE(rt298_rec_mix)),
583
584	/* ADCs */
585	SND_SOC_DAPM_ADC("ADC 0", NULL, SND_SOC_NOPM, 0, 0),
586	SND_SOC_DAPM_ADC("ADC 1", NULL, SND_SOC_NOPM, 0, 0),
587
588	/* ADC Mux */
589	SND_SOC_DAPM_MUX_E("ADC 0 Mux", RT298_SET_POWER(RT298_ADC_IN1), 0, 1,
590		&rt298_adc0_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
591		SND_SOC_DAPM_POST_PMU),
592	SND_SOC_DAPM_MUX_E("ADC 1 Mux", RT298_SET_POWER(RT298_ADC_IN2), 0, 1,
593		&rt298_adc1_mux, rt298_adc_event, SND_SOC_DAPM_PRE_PMD |
594		SND_SOC_DAPM_POST_PMU),
595
596	/* Audio Interface */
597	SND_SOC_DAPM_AIF_IN("AIF1RX", "AIF1 Playback", 0, SND_SOC_NOPM, 0, 0),
598	SND_SOC_DAPM_AIF_OUT("AIF1TX", "AIF1 Capture", 0, SND_SOC_NOPM, 0, 0),
599	SND_SOC_DAPM_AIF_IN("AIF2RX", "AIF2 Playback", 0, SND_SOC_NOPM, 0, 0),
600	SND_SOC_DAPM_AIF_OUT("AIF2TX", "AIF2 Capture", 0, SND_SOC_NOPM, 0, 0),
601
602	/* Output Side */
603	/* DACs */
604	SND_SOC_DAPM_DAC("DAC 0", NULL, SND_SOC_NOPM, 0, 0),
605	SND_SOC_DAPM_DAC("DAC 1", NULL, SND_SOC_NOPM, 0, 0),
606
607	/* Output Mux */
608	SND_SOC_DAPM_MUX("SPK Mux", SND_SOC_NOPM, 0, 0, &rt298_spo_mux),
609	SND_SOC_DAPM_MUX("HPO Mux", SND_SOC_NOPM, 0, 0, &rt298_hpo_mux),
610
611	SND_SOC_DAPM_SUPPLY("HP Power", RT298_SET_PIN_HPO,
612		RT298_SET_PIN_SFT, 0, NULL, 0),
613
614	/* Output Mixer */
615	SND_SOC_DAPM_MIXER("Front", RT298_SET_POWER(RT298_DAC_OUT1), 0, 1,
616			rt298_front_mix, ARRAY_SIZE(rt298_front_mix)),
617	SND_SOC_DAPM_PGA("Surround", RT298_SET_POWER(RT298_DAC_OUT2), 0, 1,
618			NULL, 0),
619
620	/* Output Pga */
621	SND_SOC_DAPM_SWITCH_E("SPO", SND_SOC_NOPM, 0, 0,
622		&spo_enable_control, rt298_spk_event,
623		SND_SOC_DAPM_PRE_PMD | SND_SOC_DAPM_POST_PMU),
624	SND_SOC_DAPM_SWITCH("HPO L", SND_SOC_NOPM, 0, 0,
625		&hpol_enable_control),
626	SND_SOC_DAPM_SWITCH("HPO R", SND_SOC_NOPM, 0, 0,
627		&hpor_enable_control),
628
629	/* Output Lines */
630	SND_SOC_DAPM_OUTPUT("SPOL"),
631	SND_SOC_DAPM_OUTPUT("SPOR"),
632	SND_SOC_DAPM_OUTPUT("HPO Pin"),
633	SND_SOC_DAPM_OUTPUT("SPDIF"),
634};
635
636static const struct snd_soc_dapm_route rt298_dapm_routes[] = {
637
638	{"ADC 0", NULL, "MCLK MODE", is_mclk_mode},
639	{"ADC 1", NULL, "MCLK MODE", is_mclk_mode},
640	{"Front", NULL, "MCLK MODE", is_mclk_mode},
641	{"Surround", NULL, "MCLK MODE", is_mclk_mode},
642
643	{"HP Power", NULL, "LDO1"},
644	{"HP Power", NULL, "LDO2"},
645	{"HP Power", NULL, "LV"},
646	{"HP Power", NULL, "VREF1"},
647	{"HP Power", NULL, "BG_MBIAS"},
648
649	{"MIC1", NULL, "LDO1"},
650	{"MIC1", NULL, "LDO2"},
651	{"MIC1", NULL, "HV"},
652	{"MIC1", NULL, "LV"},
653	{"MIC1", NULL, "VREF"},
654	{"MIC1", NULL, "VREF1"},
655	{"MIC1", NULL, "BG_MBIAS"},
656	{"MIC1", NULL, "MIC1 Input Buffer"},
657
658	{"SPO", NULL, "LDO1"},
659	{"SPO", NULL, "LDO2"},
660	{"SPO", NULL, "HV"},
661	{"SPO", NULL, "LV"},
662	{"SPO", NULL, "VREF"},
663	{"SPO", NULL, "VREF1"},
664	{"SPO", NULL, "BG_MBIAS"},
665
666	{"DMIC1", NULL, "DMIC1 Pin"},
667	{"DMIC2", NULL, "DMIC2 Pin"},
668	{"DMIC1", NULL, "DMIC Receiver"},
669	{"DMIC2", NULL, "DMIC Receiver"},
670
671	{"RECMIX", "Beep Switch", "Beep"},
672	{"RECMIX", "Line1 Switch", "LINE1"},
673	{"RECMIX", "Mic1 Switch", "MIC1"},
674
675	{"ADC 0 Mux", "Dmic", "DMIC1"},
676	{"ADC 0 Mux", "RECMIX", "RECMIX"},
677	{"ADC 0 Mux", "Mic", "MIC1"},
678	{"ADC 1 Mux", "Dmic", "DMIC2"},
679	{"ADC 1 Mux", "RECMIX", "RECMIX"},
680	{"ADC 1 Mux", "Mic", "MIC1"},
681
682	{"ADC 0", NULL, "ADC 0 Mux"},
683	{"ADC 1", NULL, "ADC 1 Mux"},
684
685	{"AIF1TX", NULL, "ADC 0"},
686	{"AIF2TX", NULL, "ADC 1"},
687
688	{"DAC 0", NULL, "AIF1RX"},
689	{"DAC 1", NULL, "AIF2RX"},
690
691	{"Front", "DAC Switch", "DAC 0"},
692	{"Front", "RECMIX Switch", "RECMIX"},
693
694	{"Surround", NULL, "DAC 1"},
695
696	{"SPK Mux", "Front", "Front"},
697	{"SPK Mux", "Surround", "Surround"},
698
699	{"HPO Mux", "Front", "Front"},
700	{"HPO Mux", "Surround", "Surround"},
701
702	{"SPO", "Switch", "SPK Mux"},
703	{"HPO L", "Switch", "HPO Mux"},
704	{"HPO R", "Switch", "HPO Mux"},
705	{"HPO L", NULL, "HP Power"},
706	{"HPO R", NULL, "HP Power"},
707
708	{"SPOL", NULL, "SPO"},
709	{"SPOR", NULL, "SPO"},
710	{"HPO Pin", NULL, "HPO L"},
711	{"HPO Pin", NULL, "HPO R"},
712};
713
714static int rt298_hw_params(struct snd_pcm_substream *substream,
715			    struct snd_pcm_hw_params *params,
716			    struct snd_soc_dai *dai)
717{
718	struct snd_soc_codec *codec = dai->codec;
719	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
720	unsigned int val = 0;
721	int d_len_code;
722
723	switch (params_rate(params)) {
724	/* bit 14 0:48K 1:44.1K */
725	case 44100:
726	case 48000:
727		break;
728	default:
729		dev_err(codec->dev, "Unsupported sample rate %d\n",
730					params_rate(params));
731		return -EINVAL;
732	}
733	switch (rt298->sys_clk) {
734	case 12288000:
735	case 24576000:
736		if (params_rate(params) != 48000) {
737			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
738					params_rate(params), rt298->sys_clk);
739			return -EINVAL;
740		}
741		break;
742	case 11289600:
743	case 22579200:
744		if (params_rate(params) != 44100) {
745			dev_err(codec->dev, "Sys_clk is not matched (%d %d)\n",
746					params_rate(params), rt298->sys_clk);
747			return -EINVAL;
748		}
749		break;
750	}
751
752	if (params_channels(params) <= 16) {
753		/* bit 3:0 Number of Channel */
754		val |= (params_channels(params) - 1);
755	} else {
756		dev_err(codec->dev, "Unsupported channels %d\n",
757					params_channels(params));
758		return -EINVAL;
759	}
760
761	d_len_code = 0;
762	switch (params_width(params)) {
763	/* bit 6:4 Bits per Sample */
764	case 16:
765		d_len_code = 0;
766		val |= (0x1 << 4);
767		break;
768	case 32:
769		d_len_code = 2;
770		val |= (0x4 << 4);
771		break;
772	case 20:
773		d_len_code = 1;
774		val |= (0x2 << 4);
775		break;
776	case 24:
777		d_len_code = 2;
778		val |= (0x3 << 4);
779		break;
780	case 8:
781		d_len_code = 3;
782		break;
783	default:
784		return -EINVAL;
785	}
786
787	snd_soc_update_bits(codec,
788		RT298_I2S_CTRL1, 0x0018, d_len_code << 3);
789	dev_dbg(codec->dev, "format val = 0x%x\n", val);
790
791	snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x407f, val);
792	snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x407f, val);
793
794	return 0;
795}
796
797static int rt298_set_dai_fmt(struct snd_soc_dai *dai, unsigned int fmt)
798{
799	struct snd_soc_codec *codec = dai->codec;
800
801	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
802	case SND_SOC_DAIFMT_CBM_CFM:
803		snd_soc_update_bits(codec,
804			RT298_I2S_CTRL1, 0x800, 0x800);
805		break;
806	case SND_SOC_DAIFMT_CBS_CFS:
807		snd_soc_update_bits(codec,
808			RT298_I2S_CTRL1, 0x800, 0x0);
809		break;
810	default:
811		return -EINVAL;
812	}
813
814	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
815	case SND_SOC_DAIFMT_I2S:
816		snd_soc_update_bits(codec,
817			RT298_I2S_CTRL1, 0x300, 0x0);
818		break;
819	case SND_SOC_DAIFMT_LEFT_J:
820		snd_soc_update_bits(codec,
821			RT298_I2S_CTRL1, 0x300, 0x1 << 8);
822		break;
823	case SND_SOC_DAIFMT_DSP_A:
824		snd_soc_update_bits(codec,
825			RT298_I2S_CTRL1, 0x300, 0x2 << 8);
826		break;
827	case SND_SOC_DAIFMT_DSP_B:
828		snd_soc_update_bits(codec,
829			RT298_I2S_CTRL1, 0x300, 0x3 << 8);
830		break;
831	default:
832		return -EINVAL;
833	}
834	/* bit 15 Stream Type 0:PCM 1:Non-PCM */
835	snd_soc_update_bits(codec, RT298_DAC_FORMAT, 0x8000, 0);
836	snd_soc_update_bits(codec, RT298_ADC_FORMAT, 0x8000, 0);
837
838	return 0;
839}
840
841static int rt298_set_dai_sysclk(struct snd_soc_dai *dai,
842				int clk_id, unsigned int freq, int dir)
843{
844	struct snd_soc_codec *codec = dai->codec;
845	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
846
847	dev_dbg(codec->dev, "%s freq=%d\n", __func__, freq);
848
849	if (RT298_SCLK_S_MCLK == clk_id) {
850		snd_soc_update_bits(codec,
851			RT298_I2S_CTRL2, 0x0100, 0x0);
852		snd_soc_update_bits(codec,
853			RT298_PLL_CTRL1, 0x20, 0x20);
854	} else {
855		snd_soc_update_bits(codec,
856			RT298_I2S_CTRL2, 0x0100, 0x0100);
857		snd_soc_update_bits(codec,
858			RT298_PLL_CTRL, 0x4, 0x4);
859		snd_soc_update_bits(codec,
860			RT298_PLL_CTRL1, 0x20, 0x0);
861	}
862
863	switch (freq) {
864	case 19200000:
865		if (RT298_SCLK_S_MCLK == clk_id) {
866			dev_err(codec->dev, "Should not use MCLK\n");
867			return -EINVAL;
868		}
869		snd_soc_update_bits(codec,
870			RT298_I2S_CTRL2, 0x40, 0x40);
871		break;
872	case 24000000:
873		if (RT298_SCLK_S_MCLK == clk_id) {
874			dev_err(codec->dev, "Should not use MCLK\n");
875			return -EINVAL;
876		}
877		snd_soc_update_bits(codec,
878			RT298_I2S_CTRL2, 0x40, 0x0);
879		break;
880	case 12288000:
881	case 11289600:
882		snd_soc_update_bits(codec,
883			RT298_I2S_CTRL2, 0x8, 0x0);
884		snd_soc_update_bits(codec,
885			RT298_CLK_DIV, 0xfc1e, 0x0004);
886		break;
887	case 24576000:
888	case 22579200:
889		snd_soc_update_bits(codec,
890			RT298_I2S_CTRL2, 0x8, 0x8);
891		snd_soc_update_bits(codec,
892			RT298_CLK_DIV, 0xfc1e, 0x5406);
893		break;
894	default:
895		dev_err(codec->dev, "Unsupported system clock\n");
896		return -EINVAL;
897	}
898
899	rt298->sys_clk = freq;
900	rt298->clk_id = clk_id;
901
902	return 0;
903}
904
905static int rt298_set_bclk_ratio(struct snd_soc_dai *dai, unsigned int ratio)
906{
907	struct snd_soc_codec *codec = dai->codec;
908
909	dev_dbg(codec->dev, "%s ratio=%d\n", __func__, ratio);
910	if (50 == ratio)
911		snd_soc_update_bits(codec,
912			RT298_I2S_CTRL1, 0x1000, 0x1000);
913	else
914		snd_soc_update_bits(codec,
915			RT298_I2S_CTRL1, 0x1000, 0x0);
916
917
918	return 0;
919}
920
921static int rt298_set_bias_level(struct snd_soc_codec *codec,
922				 enum snd_soc_bias_level level)
923{
924	switch (level) {
925	case SND_SOC_BIAS_PREPARE:
926		if (SND_SOC_BIAS_STANDBY ==
927			snd_soc_codec_get_bias_level(codec)) {
928			snd_soc_write(codec,
929				RT298_SET_AUDIO_POWER, AC_PWRST_D0);
930			snd_soc_update_bits(codec, 0x0d, 0x200, 0x200);
931			snd_soc_update_bits(codec, 0x52, 0x80, 0x0);
932			mdelay(20);
933			snd_soc_update_bits(codec, 0x0d, 0x200, 0x0);
934			snd_soc_update_bits(codec, 0x52, 0x80, 0x80);
935		}
936		break;
937
938	case SND_SOC_BIAS_ON:
939		mdelay(30);
940		snd_soc_update_bits(codec,
941			RT298_CBJ_CTRL1, 0x0400, 0x0400);
942
943		break;
944
945	case SND_SOC_BIAS_STANDBY:
946		snd_soc_write(codec,
947			RT298_SET_AUDIO_POWER, AC_PWRST_D3);
948		snd_soc_update_bits(codec,
949			RT298_CBJ_CTRL1, 0x0400, 0x0000);
950		break;
951
952	default:
953		break;
954	}
955
956	return 0;
957}
958
959static irqreturn_t rt298_irq(int irq, void *data)
960{
961	struct rt298_priv *rt298 = data;
962	bool hp = false;
963	bool mic = false;
964	int ret, status = 0;
965
966	ret = rt298_jack_detect(rt298, &hp, &mic);
967
968	/* Clear IRQ */
969	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x1, 0x1);
970
971	if (ret == 0) {
972		if (hp == true)
973			status |= SND_JACK_HEADPHONE;
974
975		if (mic == true)
976			status |= SND_JACK_MICROPHONE;
977
978		snd_soc_jack_report(rt298->jack, status,
979			SND_JACK_MICROPHONE | SND_JACK_HEADPHONE);
980
981		pm_wakeup_event(&rt298->i2c->dev, 300);
982	}
983
984	return IRQ_HANDLED;
985}
986
987static int rt298_probe(struct snd_soc_codec *codec)
988{
989	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
990
991	rt298->codec = codec;
992
993	if (rt298->i2c->irq) {
994		regmap_update_bits(rt298->regmap,
995					RT298_IRQ_CTRL, 0x2, 0x2);
996
997		INIT_DELAYED_WORK(&rt298->jack_detect_work,
998					rt298_jack_detect_work);
999		schedule_delayed_work(&rt298->jack_detect_work,
1000					msecs_to_jiffies(1250));
1001	}
1002
1003	return 0;
1004}
1005
1006static int rt298_remove(struct snd_soc_codec *codec)
1007{
1008	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1009
1010	cancel_delayed_work_sync(&rt298->jack_detect_work);
1011
1012	return 0;
1013}
1014
1015#ifdef CONFIG_PM
1016static int rt298_suspend(struct snd_soc_codec *codec)
1017{
1018	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1019
1020	rt298->is_hp_in = -1;
1021	regcache_cache_only(rt298->regmap, true);
1022	regcache_mark_dirty(rt298->regmap);
1023
1024	return 0;
1025}
1026
1027static int rt298_resume(struct snd_soc_codec *codec)
1028{
1029	struct rt298_priv *rt298 = snd_soc_codec_get_drvdata(codec);
1030
1031	regcache_cache_only(rt298->regmap, false);
1032	rt298_index_sync(codec);
1033	regcache_sync(rt298->regmap);
1034
1035	return 0;
1036}
1037#else
1038#define rt298_suspend NULL
1039#define rt298_resume NULL
1040#endif
1041
1042#define RT298_STEREO_RATES (SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000)
1043#define RT298_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE | \
1044			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S8)
1045
1046static const struct snd_soc_dai_ops rt298_aif_dai_ops = {
1047	.hw_params = rt298_hw_params,
1048	.set_fmt = rt298_set_dai_fmt,
1049	.set_sysclk = rt298_set_dai_sysclk,
1050	.set_bclk_ratio = rt298_set_bclk_ratio,
1051};
1052
1053static struct snd_soc_dai_driver rt298_dai[] = {
1054	{
1055		.name = "rt298-aif1",
1056		.id = RT298_AIF1,
1057		.playback = {
1058			.stream_name = "AIF1 Playback",
1059			.channels_min = 1,
1060			.channels_max = 2,
1061			.rates = RT298_STEREO_RATES,
1062			.formats = RT298_FORMATS,
1063		},
1064		.capture = {
1065			.stream_name = "AIF1 Capture",
1066			.channels_min = 1,
1067			.channels_max = 2,
1068			.rates = RT298_STEREO_RATES,
1069			.formats = RT298_FORMATS,
1070		},
1071		.ops = &rt298_aif_dai_ops,
1072		.symmetric_rates = 1,
1073	},
1074	{
1075		.name = "rt298-aif2",
1076		.id = RT298_AIF2,
1077		.playback = {
1078			.stream_name = "AIF2 Playback",
1079			.channels_min = 1,
1080			.channels_max = 2,
1081			.rates = RT298_STEREO_RATES,
1082			.formats = RT298_FORMATS,
1083		},
1084		.capture = {
1085			.stream_name = "AIF2 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_rates = 1,
1093	},
1094
1095};
1096
1097static struct snd_soc_codec_driver soc_codec_dev_rt298 = {
1098	.probe = rt298_probe,
1099	.remove = rt298_remove,
1100	.suspend = rt298_suspend,
1101	.resume = rt298_resume,
1102	.set_bias_level = rt298_set_bias_level,
1103	.idle_bias_off = true,
1104	.controls = rt298_snd_controls,
1105	.num_controls = ARRAY_SIZE(rt298_snd_controls),
1106	.dapm_widgets = rt298_dapm_widgets,
1107	.num_dapm_widgets = ARRAY_SIZE(rt298_dapm_widgets),
1108	.dapm_routes = rt298_dapm_routes,
1109	.num_dapm_routes = ARRAY_SIZE(rt298_dapm_routes),
1110};
1111
1112static const struct regmap_config rt298_regmap = {
1113	.reg_bits = 32,
1114	.val_bits = 32,
1115	.max_register = 0x02370100,
1116	.volatile_reg = rt298_volatile_register,
1117	.readable_reg = rt298_readable_register,
1118	.reg_write = rl6347a_hw_write,
1119	.reg_read = rl6347a_hw_read,
1120	.cache_type = REGCACHE_RBTREE,
1121	.reg_defaults = rt298_reg,
1122	.num_reg_defaults = ARRAY_SIZE(rt298_reg),
1123};
1124
1125static const struct i2c_device_id rt298_i2c_id[] = {
1126	{"rt298", 0},
1127	{}
1128};
1129MODULE_DEVICE_TABLE(i2c, rt298_i2c_id);
1130
1131static const struct acpi_device_id rt298_acpi_match[] = {
1132	{ "INT343A", 0 },
1133	{},
1134};
1135MODULE_DEVICE_TABLE(acpi, rt298_acpi_match);
1136
1137static int rt298_i2c_probe(struct i2c_client *i2c,
1138			   const struct i2c_device_id *id)
1139{
1140	struct rt298_platform_data *pdata = dev_get_platdata(&i2c->dev);
1141	struct rt298_priv *rt298;
1142	struct device *dev = &i2c->dev;
1143	const struct acpi_device_id *acpiid;
1144	int i, ret;
1145
1146	rt298 = devm_kzalloc(&i2c->dev,	sizeof(*rt298),
1147				GFP_KERNEL);
1148	if (NULL == rt298)
1149		return -ENOMEM;
1150
1151	rt298->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt298_regmap);
1152	if (IS_ERR(rt298->regmap)) {
1153		ret = PTR_ERR(rt298->regmap);
1154		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
1155			ret);
1156		return ret;
1157	}
1158
1159	regmap_read(rt298->regmap,
1160		RT298_GET_PARAM(AC_NODE_ROOT, AC_PAR_VENDOR_ID), &ret);
1161	if (ret != RT298_VENDOR_ID) {
1162		dev_err(&i2c->dev,
1163			"Device with ID register %#x is not rt298\n", ret);
1164		return -ENODEV;
1165	}
1166
1167	rt298->index_cache = devm_kmemdup(&i2c->dev, rt298_index_def,
1168					  sizeof(rt298_index_def), GFP_KERNEL);
1169	if (!rt298->index_cache)
1170		return -ENOMEM;
1171
1172	rt298->index_cache_size = INDEX_CACHE_SIZE;
1173	rt298->i2c = i2c;
1174	i2c_set_clientdata(i2c, rt298);
1175
1176	/* restore codec default */
1177	for (i = 0; i < INDEX_CACHE_SIZE; i++)
1178		regmap_write(rt298->regmap, rt298->index_cache[i].reg,
1179				rt298->index_cache[i].def);
1180	for (i = 0; i < ARRAY_SIZE(rt298_reg); i++)
1181		regmap_write(rt298->regmap, rt298_reg[i].reg,
1182				rt298_reg[i].def);
1183
1184	if (pdata)
1185		rt298->pdata = *pdata;
1186
1187	/* enable jack combo mode on supported devices */
1188	acpiid = acpi_match_device(dev->driver->acpi_match_table, dev);
1189	if (acpiid) {
1190		rt298->pdata = *(struct rt298_platform_data *)
1191				acpiid->driver_data;
1192	}
1193
1194	/* VREF Charging */
1195	regmap_update_bits(rt298->regmap, 0x04, 0x80, 0x80);
1196	regmap_update_bits(rt298->regmap, 0x1b, 0x860, 0x860);
1197	/* Vref2 */
1198	regmap_update_bits(rt298->regmap, 0x08, 0x20, 0x20);
1199
1200	regmap_write(rt298->regmap, RT298_SET_AUDIO_POWER, AC_PWRST_D3);
1201
1202	for (i = 0; i < RT298_POWER_REG_LEN; i++)
1203		regmap_write(rt298->regmap,
1204			RT298_SET_POWER(rt298_support_power_controls[i]),
1205			AC_PWRST_D1);
1206
1207	if (!rt298->pdata.cbj_en) {
1208		regmap_write(rt298->regmap, RT298_CBJ_CTRL2, 0x0000);
1209		regmap_write(rt298->regmap, RT298_MIC1_DET_CTRL, 0x0816);
1210		regmap_update_bits(rt298->regmap,
1211					RT298_CBJ_CTRL1, 0xf000, 0xb000);
1212	} else {
1213		regmap_update_bits(rt298->regmap,
1214					RT298_CBJ_CTRL1, 0xf000, 0x5000);
1215	}
1216
1217	mdelay(10);
1218
1219	if (!rt298->pdata.gpio2_en)
1220		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0x40);
1221	else
1222		regmap_write(rt298->regmap, RT298_SET_DMIC2_DEFAULT, 0);
1223
1224	mdelay(10);
1225
1226	regmap_write(rt298->regmap, RT298_MISC_CTRL1, 0x0000);
1227	regmap_update_bits(rt298->regmap,
1228				RT298_WIND_FILTER_CTRL, 0x0082, 0x0082);
1229	regmap_update_bits(rt298->regmap, RT298_IRQ_CTRL, 0x2, 0x2);
1230	rt298->is_hp_in = -1;
1231
1232	if (rt298->i2c->irq) {
1233		ret = request_threaded_irq(rt298->i2c->irq, NULL, rt298_irq,
1234			IRQF_TRIGGER_HIGH | IRQF_ONESHOT, "rt298", rt298);
1235		if (ret != 0) {
1236			dev_err(&i2c->dev,
1237				"Failed to reguest IRQ: %d\n", ret);
1238			return ret;
1239		}
1240	}
1241
1242	ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_rt298,
1243				     rt298_dai, ARRAY_SIZE(rt298_dai));
1244
1245	return ret;
1246}
1247
1248static int rt298_i2c_remove(struct i2c_client *i2c)
1249{
1250	struct rt298_priv *rt298 = i2c_get_clientdata(i2c);
1251
1252	if (i2c->irq)
1253		free_irq(i2c->irq, rt298);
1254	snd_soc_unregister_codec(&i2c->dev);
1255
1256	return 0;
1257}
1258
1259
1260static struct i2c_driver rt298_i2c_driver = {
1261	.driver = {
1262		   .name = "rt298",
1263		   .acpi_match_table = ACPI_PTR(rt298_acpi_match),
1264		   },
1265	.probe = rt298_i2c_probe,
1266	.remove = rt298_i2c_remove,
1267	.id_table = rt298_i2c_id,
1268};
1269
1270module_i2c_driver(rt298_i2c_driver);
1271
1272MODULE_DESCRIPTION("ASoC RT298 driver");
1273MODULE_AUTHOR("Bard Liao <bardliao@realtek.com>");
1274MODULE_LICENSE("GPL");
1275