xref: /openbmc/linux/sound/soc/codecs/mt6351.c (revision a5b2c10c)
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // mt6351.c  --  mt6351 ALSA SoC audio codec driver
4 //
5 // Copyright (c) 2018 MediaTek Inc.
6 // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
7 
8 #include <linux/dma-mapping.h>
9 #include <linux/platform_device.h>
10 #include <linux/slab.h>
11 #include <linux/module.h>
12 #include <linux/of_device.h>
13 #include <linux/delay.h>
14 
15 #include <sound/core.h>
16 #include <sound/pcm.h>
17 #include <sound/soc.h>
18 #include <sound/tlv.h>
19 
20 #include "mt6351.h"
21 
22 /* MT6351_TOP_CLKSQ */
23 #define RG_CLKSQ_EN_AUD_BIT (0)
24 
25 /* MT6351_TOP_CKPDN_CON0 */
26 #define RG_AUDNCP_CK_PDN_BIT (12)
27 #define RG_AUDIF_CK_PDN_BIT (13)
28 #define RG_AUD_CK_PDN_BIT (14)
29 #define RG_ZCD13M_CK_PDN_BIT (15)
30 
31 /* MT6351_AUDDEC_ANA_CON0 */
32 #define RG_AUDDACLPWRUP_VAUDP32_BIT (0)
33 #define RG_AUDDACRPWRUP_VAUDP32_BIT (1)
34 #define RG_AUD_DAC_PWR_UP_VA32_BIT (2)
35 #define RG_AUD_DAC_PWL_UP_VA32_BIT (3)
36 
37 #define RG_AUDHSPWRUP_VAUDP32_BIT (4)
38 
39 #define RG_AUDHPLPWRUP_VAUDP32_BIT (5)
40 #define RG_AUDHPRPWRUP_VAUDP32_BIT (6)
41 
42 #define RG_AUDHSMUXINPUTSEL_VAUDP32_SFT (7)
43 #define RG_AUDHSMUXINPUTSEL_VAUDP32_MASK (0x3)
44 
45 #define RG_AUDHPLMUXINPUTSEL_VAUDP32_SFT (9)
46 #define RG_AUDHPLMUXINPUTSEL_VAUDP32_MASK (0x3)
47 
48 #define RG_AUDHPRMUXINPUTSEL_VAUDP32_SFT (11)
49 #define RG_AUDHPRMUXINPUTSEL_VAUDP32_MASK (0x3)
50 
51 #define RG_AUDHSSCDISABLE_VAUDP32 (13)
52 #define RG_AUDHPLSCDISABLE_VAUDP32_BIT (14)
53 #define RG_AUDHPRSCDISABLE_VAUDP32_BIT (15)
54 
55 /* MT6351_AUDDEC_ANA_CON1 */
56 #define RG_HSOUTPUTSTBENH_VAUDP32_BIT (8)
57 
58 /* MT6351_AUDDEC_ANA_CON3 */
59 #define RG_AUDLOLPWRUP_VAUDP32_BIT (2)
60 
61 #define RG_AUDLOLMUXINPUTSEL_VAUDP32_SFT (3)
62 #define RG_AUDLOLMUXINPUTSEL_VAUDP32_MASK (0x3)
63 
64 #define RG_AUDLOLSCDISABLE_VAUDP32_BIT (5)
65 #define RG_LOOUTPUTSTBENH_VAUDP32_BIT (9)
66 
67 /* MT6351_AUDDEC_ANA_CON6 */
68 #define RG_ABIDEC_RSVD0_VAUDP32_HPL_BIT (8)
69 #define RG_ABIDEC_RSVD0_VAUDP32_HPR_BIT (9)
70 #define RG_ABIDEC_RSVD0_VAUDP32_HS_BIT (10)
71 #define RG_ABIDEC_RSVD0_VAUDP32_LOL_BIT (11)
72 
73 /* MT6351_AUDDEC_ANA_CON9 */
74 #define RG_AUDIBIASPWRDN_VAUDP32_BIT (8)
75 #define RG_RSTB_DECODER_VA32_BIT (9)
76 #define RG_AUDGLB_PWRDN_VA32_BIT (12)
77 
78 #define RG_LCLDO_DEC_EN_VA32_BIT (13)
79 #define RG_LCLDO_DEC_REMOTE_SENSE_VA18_BIT (15)
80 /* MT6351_AUDDEC_ANA_CON10 */
81 #define RG_NVREG_EN_VAUDP32_BIT (8)
82 
83 #define RG_AUDGLB_LP2_VOW_EN_VA32 10
84 
85 /* MT6351_AFE_UL_DL_CON0 */
86 #define RG_AFE_ON_BIT (0)
87 
88 /* MT6351_AFE_DL_SRC2_CON0_L */
89 #define RG_DL_2_SRC_ON_TMP_CTL_PRE_BIT (0)
90 
91 /* MT6351_AFE_UL_SRC_CON0_L */
92 #define UL_SRC_ON_TMP_CTL (0)
93 
94 /* MT6351_AFE_TOP_CON0 */
95 #define RG_DL_SINE_ON_SFT (0)
96 #define RG_DL_SINE_ON_MASK (0x1)
97 
98 #define RG_UL_SINE_ON_SFT (1)
99 #define RG_UL_SINE_ON_MASK (0x1)
100 
101 /* MT6351_AUDIO_TOP_CON0 */
102 #define AUD_TOP_PDN_RESERVED_BIT 0
103 #define AUD_TOP_PWR_CLK_DIS_CTL_BIT 2
104 #define AUD_TOP_PDN_ADC_CTL_BIT 5
105 #define AUD_TOP_PDN_DAC_CTL_BIT 6
106 #define AUD_TOP_PDN_AFE_CTL_BIT 7
107 
108 /* MT6351_AFE_SGEN_CFG0 */
109 #define SGEN_C_MUTE_SW_CTL_BIT 6
110 #define SGEN_C_DAC_EN_CTL_BIT 7
111 
112 /* MT6351_AFE_NCP_CFG0 */
113 #define RG_NCP_ON_BIT 0
114 
115 /* MT6351_LDO_VUSB33_CON0 */
116 #define RG_VUSB33_EN 1
117 #define RG_VUSB33_ON_CTRL 3
118 
119 /* MT6351_LDO_VA18_CON0 */
120 #define RG_VA18_EN 1
121 #define RG_VA18_ON_CTRL 3
122 
123 /* MT6351_AUDENC_ANA_CON0 */
124 #define RG_AUDPREAMPLON 0
125 #define RG_AUDPREAMPLDCCEN 1
126 #define RG_AUDPREAMPLDCPRECHARGE 2
127 
128 #define RG_AUDPREAMPLINPUTSEL_SFT (4)
129 #define RG_AUDPREAMPLINPUTSEL_MASK (0x3)
130 
131 #define RG_AUDADCLPWRUP 12
132 
133 #define RG_AUDADCLINPUTSEL_SFT (13)
134 #define RG_AUDADCLINPUTSEL_MASK (0x3)
135 
136 /* MT6351_AUDENC_ANA_CON1 */
137 #define RG_AUDPREAMPRON 0
138 #define RG_AUDPREAMPRDCCEN 1
139 #define RG_AUDPREAMPRDCPRECHARGE 2
140 
141 #define RG_AUDPREAMPRINPUTSEL_SFT (4)
142 #define RG_AUDPREAMPRINPUTSEL_MASK (0x3)
143 
144 #define RG_AUDADCRPWRUP 12
145 
146 #define RG_AUDADCRINPUTSEL_SFT (13)
147 #define RG_AUDADCRINPUTSEL_MASK (0x3)
148 
149 /* MT6351_AUDENC_ANA_CON3 */
150 #define RG_AUDADCCLKRSTB 6
151 
152 /* MT6351_AUDENC_ANA_CON9 */
153 #define RG_AUDPWDBMICBIAS0 0
154 #define RG_AUDMICBIAS0VREF 4
155 #define RG_AUDMICBIAS0LOWPEN 7
156 
157 #define RG_AUDPWDBMICBIAS2 8
158 #define RG_AUDMICBIAS2VREF 12
159 #define RG_AUDMICBIAS2LOWPEN 15
160 
161 /* MT6351_AUDENC_ANA_CON10 */
162 #define RG_AUDPWDBMICBIAS1 0
163 #define RG_AUDMICBIAS1DCSW1NEN 2
164 #define RG_AUDMICBIAS1VREF 4
165 #define RG_AUDMICBIAS1LOWPEN 7
166 
167 enum {
168 	AUDIO_ANALOG_VOLUME_HSOUTL,
169 	AUDIO_ANALOG_VOLUME_HSOUTR,
170 	AUDIO_ANALOG_VOLUME_HPOUTL,
171 	AUDIO_ANALOG_VOLUME_HPOUTR,
172 	AUDIO_ANALOG_VOLUME_LINEOUTL,
173 	AUDIO_ANALOG_VOLUME_LINEOUTR,
174 	AUDIO_ANALOG_VOLUME_MICAMP1,
175 	AUDIO_ANALOG_VOLUME_MICAMP2,
176 	AUDIO_ANALOG_VOLUME_TYPE_MAX
177 };
178 
179 /* Supply subseq */
180 enum {
181 	SUPPLY_SUBSEQ_SETTING,
182 	SUPPLY_SUBSEQ_ENABLE,
183 	SUPPLY_SUBSEQ_MICBIAS,
184 };
185 
186 #define REG_STRIDE 2
187 
188 struct mt6351_priv {
189 	struct device *dev;
190 	struct regmap *regmap;
191 
192 	unsigned int dl_rate;
193 	unsigned int ul_rate;
194 
195 	int ana_gain[AUDIO_ANALOG_VOLUME_TYPE_MAX];
196 
197 	int hp_en_counter;
198 };
199 
200 static void set_hp_gain_zero(struct snd_soc_component *cmpnt)
201 {
202 	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON2,
203 			   0x1f << 7, 0x8 << 7);
204 	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON2,
205 			   0x1f << 0, 0x8 << 0);
206 }
207 
208 static unsigned int get_cap_reg_val(struct snd_soc_component *cmpnt,
209 				    unsigned int rate)
210 {
211 	switch (rate) {
212 	case 8000:
213 		return 0;
214 	case 16000:
215 		return 1;
216 	case 32000:
217 		return 2;
218 	case 48000:
219 		return 3;
220 	case 96000:
221 		return 4;
222 	case 192000:
223 		return 5;
224 	default:
225 		dev_warn(cmpnt->dev, "%s(), error rate %d, return 3",
226 			 __func__, rate);
227 		return 3;
228 	}
229 }
230 
231 static unsigned int get_play_reg_val(struct snd_soc_component *cmpnt,
232 				     unsigned int rate)
233 {
234 	switch (rate) {
235 	case 8000:
236 		return 0;
237 	case 11025:
238 		return 1;
239 	case 12000:
240 		return 2;
241 	case 16000:
242 		return 3;
243 	case 22050:
244 		return 4;
245 	case 24000:
246 		return 5;
247 	case 32000:
248 		return 6;
249 	case 44100:
250 		return 7;
251 	case 48000:
252 	case 96000:
253 	case 192000:
254 		return 8;
255 	default:
256 		dev_warn(cmpnt->dev, "%s(), error rate %d, return 8",
257 			 __func__, rate);
258 		return 8;
259 	}
260 }
261 
262 static int mt6351_codec_dai_hw_params(struct snd_pcm_substream *substream,
263 				      struct snd_pcm_hw_params *params,
264 				      struct snd_soc_dai *dai)
265 {
266 	struct snd_soc_component *cmpnt = dai->component;
267 	struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
268 	unsigned int rate = params_rate(params);
269 
270 	dev_dbg(priv->dev, "%s(), substream->stream %d, rate %d\n",
271 		__func__, substream->stream, rate);
272 
273 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
274 		priv->dl_rate = rate;
275 	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
276 		priv->ul_rate = rate;
277 
278 	return 0;
279 }
280 
281 static const struct snd_soc_dai_ops mt6351_codec_dai_ops = {
282 	.hw_params = mt6351_codec_dai_hw_params,
283 };
284 
285 #define MT6351_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |\
286 			SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE |\
287 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |\
288 			SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE |\
289 			SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |\
290 			SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE)
291 
292 static struct snd_soc_dai_driver mt6351_dai_driver[] = {
293 	{
294 		.name = "mt6351-snd-codec-aif1",
295 		.playback = {
296 			.stream_name = "AIF1 Playback",
297 			.channels_min = 1,
298 			.channels_max = 2,
299 			.rates = SNDRV_PCM_RATE_8000_48000 |
300 				 SNDRV_PCM_RATE_96000 |
301 				 SNDRV_PCM_RATE_192000,
302 			.formats = MT6351_FORMATS,
303 		},
304 		.capture = {
305 			.stream_name = "AIF1 Capture",
306 			.channels_min = 1,
307 			.channels_max = 2,
308 			.rates = SNDRV_PCM_RATE_8000 |
309 				 SNDRV_PCM_RATE_16000 |
310 				 SNDRV_PCM_RATE_32000 |
311 				 SNDRV_PCM_RATE_48000 |
312 				 SNDRV_PCM_RATE_96000 |
313 				 SNDRV_PCM_RATE_192000,
314 			.formats = MT6351_FORMATS,
315 		},
316 		.ops = &mt6351_codec_dai_ops,
317 	},
318 };
319 
320 enum {
321 	HP_GAIN_SET_ZERO,
322 	HP_GAIN_RESTORE,
323 };
324 
325 static void hp_gain_ramp_set(struct snd_soc_component *cmpnt, int hp_gain_ctl)
326 {
327 	struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
328 	int idx, old_idx, offset, reg_idx;
329 
330 	if (hp_gain_ctl == HP_GAIN_SET_ZERO) {
331 		idx = 8;	/* 0dB */
332 		old_idx = priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL];
333 	} else {
334 		idx = priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL];
335 		old_idx = 8;	/* 0dB */
336 	}
337 	dev_dbg(priv->dev, "%s(), idx %d, old_idx %d\n",
338 		__func__, idx, old_idx);
339 
340 	if (idx > old_idx)
341 		offset = idx - old_idx;
342 	else
343 		offset = old_idx - idx;
344 
345 	reg_idx = old_idx;
346 
347 	while (offset > 0) {
348 		reg_idx = idx > old_idx ? reg_idx + 1 : reg_idx - 1;
349 
350 		/* check valid range, and set value */
351 		if ((reg_idx >= 0 && reg_idx <= 0x12) || reg_idx == 0x1f) {
352 			regmap_update_bits(cmpnt->regmap,
353 					   MT6351_ZCD_CON2,
354 					   0xf9f,
355 					   (reg_idx << 7) | reg_idx);
356 			usleep_range(100, 120);
357 		}
358 		offset--;
359 	}
360 }
361 
362 static void hp_zcd_enable(struct snd_soc_component *cmpnt)
363 {
364 	/* Enable ZCD, for minimize pop noise */
365 	/* when adjust gain during HP buffer on */
366 	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x7 << 8, 0x1 << 8);
367 	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 7, 0x0 << 7);
368 
369 	/* timeout, 1=5ms, 0=30ms */
370 	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 6, 0x1 << 6);
371 
372 	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x3 << 4, 0x0 << 4);
373 	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x7 << 1, 0x5 << 1);
374 	regmap_update_bits(cmpnt->regmap, MT6351_ZCD_CON0, 0x1 << 0, 0x1 << 0);
375 }
376 
377 static void hp_zcd_disable(struct snd_soc_component *cmpnt)
378 {
379 	regmap_write(cmpnt->regmap, MT6351_ZCD_CON0, 0x0000);
380 }
381 
382 static const DECLARE_TLV_DB_SCALE(playback_tlv, -1000, 100, 0);
383 static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 600, 0);
384 
385 static const struct snd_kcontrol_new mt6351_snd_controls[] = {
386 	/* dl pga gain */
387 	SOC_DOUBLE_TLV("Headphone Volume",
388 		       MT6351_ZCD_CON2, 0, 7, 0x12, 1,
389 		       playback_tlv),
390 	SOC_DOUBLE_TLV("Lineout Volume",
391 		       MT6351_ZCD_CON1, 0, 7, 0x12, 1,
392 		       playback_tlv),
393 	SOC_SINGLE_TLV("Handset Volume",
394 		       MT6351_ZCD_CON3, 0, 0x12, 1,
395 		       playback_tlv),
396        /* ul pga gain */
397 	SOC_DOUBLE_R_TLV("PGA Volume",
398 			 MT6351_AUDENC_ANA_CON0, MT6351_AUDENC_ANA_CON1,
399 			 8, 4, 0,
400 			 pga_tlv),
401 };
402 
403 /* MUX */
404 
405 /* LOL MUX */
406 static const char *const lo_in_mux_map[] = {
407 	"Open", "Mute", "Playback", "Test Mode",
408 };
409 
410 static int lo_in_mux_map_value[] = {
411 	0x0, 0x1, 0x2, 0x3,
412 };
413 
414 static SOC_VALUE_ENUM_SINGLE_DECL(lo_in_mux_map_enum,
415 				  MT6351_AUDDEC_ANA_CON3,
416 				  RG_AUDLOLMUXINPUTSEL_VAUDP32_SFT,
417 				  RG_AUDLOLMUXINPUTSEL_VAUDP32_MASK,
418 				  lo_in_mux_map,
419 				  lo_in_mux_map_value);
420 
421 static const struct snd_kcontrol_new lo_in_mux_control =
422 	SOC_DAPM_ENUM("In Select", lo_in_mux_map_enum);
423 
424 /*HP MUX */
425 static const char *const hp_in_mux_map[] = {
426 	"Open", "LoudSPK Playback", "Audio Playback", "Test Mode",
427 };
428 
429 static int hp_in_mux_map_value[] = {
430 	0x0, 0x1, 0x2, 0x3,
431 };
432 
433 static SOC_VALUE_ENUM_SINGLE_DECL(hpl_in_mux_map_enum,
434 				  MT6351_AUDDEC_ANA_CON0,
435 				  RG_AUDHPLMUXINPUTSEL_VAUDP32_SFT,
436 				  RG_AUDHPLMUXINPUTSEL_VAUDP32_MASK,
437 				  hp_in_mux_map,
438 				  hp_in_mux_map_value);
439 
440 static const struct snd_kcontrol_new hpl_in_mux_control =
441 	SOC_DAPM_ENUM("HPL Select", hpl_in_mux_map_enum);
442 
443 static SOC_VALUE_ENUM_SINGLE_DECL(hpr_in_mux_map_enum,
444 				  MT6351_AUDDEC_ANA_CON0,
445 				  RG_AUDHPRMUXINPUTSEL_VAUDP32_SFT,
446 				  RG_AUDHPRMUXINPUTSEL_VAUDP32_MASK,
447 				  hp_in_mux_map,
448 				  hp_in_mux_map_value);
449 
450 static const struct snd_kcontrol_new hpr_in_mux_control =
451 	SOC_DAPM_ENUM("HPR Select", hpr_in_mux_map_enum);
452 
453 /* RCV MUX */
454 static const char *const rcv_in_mux_map[] = {
455 	"Open", "Mute", "Voice Playback", "Test Mode",
456 };
457 
458 static int rcv_in_mux_map_value[] = {
459 	0x0, 0x1, 0x2, 0x3,
460 };
461 
462 static SOC_VALUE_ENUM_SINGLE_DECL(rcv_in_mux_map_enum,
463 				  MT6351_AUDDEC_ANA_CON0,
464 				  RG_AUDHSMUXINPUTSEL_VAUDP32_SFT,
465 				  RG_AUDHSMUXINPUTSEL_VAUDP32_MASK,
466 				  rcv_in_mux_map,
467 				  rcv_in_mux_map_value);
468 
469 static const struct snd_kcontrol_new rcv_in_mux_control =
470 	SOC_DAPM_ENUM("RCV Select", rcv_in_mux_map_enum);
471 
472 /* DAC In MUX */
473 static const char *const dac_in_mux_map[] = {
474 	"Normal Path", "Sgen",
475 };
476 
477 static int dac_in_mux_map_value[] = {
478 	0x0, 0x1,
479 };
480 
481 static SOC_VALUE_ENUM_SINGLE_DECL(dac_in_mux_map_enum,
482 				  MT6351_AFE_TOP_CON0,
483 				  RG_DL_SINE_ON_SFT,
484 				  RG_DL_SINE_ON_MASK,
485 				  dac_in_mux_map,
486 				  dac_in_mux_map_value);
487 
488 static const struct snd_kcontrol_new dac_in_mux_control =
489 	SOC_DAPM_ENUM("DAC Select", dac_in_mux_map_enum);
490 
491 /* AIF Out MUX */
492 static SOC_VALUE_ENUM_SINGLE_DECL(aif_out_mux_map_enum,
493 				  MT6351_AFE_TOP_CON0,
494 				  RG_UL_SINE_ON_SFT,
495 				  RG_UL_SINE_ON_MASK,
496 				  dac_in_mux_map,
497 				  dac_in_mux_map_value);
498 
499 static const struct snd_kcontrol_new aif_out_mux_control =
500 	SOC_DAPM_ENUM("AIF Out Select", aif_out_mux_map_enum);
501 
502 /* ADC L MUX */
503 static const char *const adc_left_mux_map[] = {
504 	"Idle", "AIN0", "Left Preamplifier", "Idle_1",
505 };
506 
507 static int adc_left_mux_map_value[] = {
508 	0x0, 0x1, 0x2, 0x3,
509 };
510 
511 static SOC_VALUE_ENUM_SINGLE_DECL(adc_left_mux_map_enum,
512 				  MT6351_AUDENC_ANA_CON0,
513 				  RG_AUDADCLINPUTSEL_SFT,
514 				  RG_AUDADCLINPUTSEL_MASK,
515 				  adc_left_mux_map,
516 				  adc_left_mux_map_value);
517 
518 static const struct snd_kcontrol_new adc_left_mux_control =
519 	SOC_DAPM_ENUM("ADC L Select", adc_left_mux_map_enum);
520 
521 /* ADC R MUX */
522 static const char *const adc_right_mux_map[] = {
523 	"Idle", "AIN0", "Right Preamplifier", "Idle_1",
524 };
525 
526 static int adc_right_mux_map_value[] = {
527 	0x0, 0x1, 0x2, 0x3,
528 };
529 
530 static SOC_VALUE_ENUM_SINGLE_DECL(adc_right_mux_map_enum,
531 				  MT6351_AUDENC_ANA_CON1,
532 				  RG_AUDADCRINPUTSEL_SFT,
533 				  RG_AUDADCRINPUTSEL_MASK,
534 				  adc_right_mux_map,
535 				  adc_right_mux_map_value);
536 
537 static const struct snd_kcontrol_new adc_right_mux_control =
538 	SOC_DAPM_ENUM("ADC R Select", adc_right_mux_map_enum);
539 
540 /* PGA L MUX */
541 static const char *const pga_left_mux_map[] = {
542 	"None", "AIN0", "AIN1", "AIN2",
543 };
544 
545 static int pga_left_mux_map_value[] = {
546 	0x0, 0x1, 0x2, 0x3,
547 };
548 
549 static SOC_VALUE_ENUM_SINGLE_DECL(pga_left_mux_map_enum,
550 				  MT6351_AUDENC_ANA_CON0,
551 				  RG_AUDPREAMPLINPUTSEL_SFT,
552 				  RG_AUDPREAMPLINPUTSEL_MASK,
553 				  pga_left_mux_map,
554 				  pga_left_mux_map_value);
555 
556 static const struct snd_kcontrol_new pga_left_mux_control =
557 	SOC_DAPM_ENUM("PGA L Select", pga_left_mux_map_enum);
558 
559 /* PGA R MUX */
560 static const char *const pga_right_mux_map[] = {
561 	"None", "AIN0", "AIN3", "AIN2",
562 };
563 
564 static int pga_right_mux_map_value[] = {
565 	0x0, 0x1, 0x2, 0x3,
566 };
567 
568 static SOC_VALUE_ENUM_SINGLE_DECL(pga_right_mux_map_enum,
569 				  MT6351_AUDENC_ANA_CON1,
570 				  RG_AUDPREAMPRINPUTSEL_SFT,
571 				  RG_AUDPREAMPRINPUTSEL_MASK,
572 				  pga_right_mux_map,
573 				  pga_right_mux_map_value);
574 
575 static const struct snd_kcontrol_new pga_right_mux_control =
576 	SOC_DAPM_ENUM("PGA R Select", pga_right_mux_map_enum);
577 
578 static int mt_reg_set_clr_event(struct snd_soc_dapm_widget *w,
579 				struct snd_kcontrol *kcontrol,
580 				int event)
581 {
582 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
583 
584 	switch (event) {
585 	case SND_SOC_DAPM_POST_PMU:
586 		if (w->on_val) {
587 			/* SET REG */
588 			regmap_update_bits(cmpnt->regmap,
589 					   w->reg + REG_STRIDE,
590 					   0x1 << w->shift,
591 					   0x1 << w->shift);
592 		} else {
593 			/* CLR REG */
594 			regmap_update_bits(cmpnt->regmap,
595 					   w->reg + REG_STRIDE * 2,
596 					   0x1 << w->shift,
597 					   0x1 << w->shift);
598 		}
599 		break;
600 	case SND_SOC_DAPM_PRE_PMD:
601 		if (w->off_val) {
602 			/* SET REG */
603 			regmap_update_bits(cmpnt->regmap,
604 					   w->reg + REG_STRIDE,
605 					   0x1 << w->shift,
606 					   0x1 << w->shift);
607 		} else {
608 			/* CLR REG */
609 			regmap_update_bits(cmpnt->regmap,
610 					   w->reg + REG_STRIDE * 2,
611 					   0x1 << w->shift,
612 					   0x1 << w->shift);
613 		}
614 		break;
615 	default:
616 		break;
617 	}
618 
619 	return 0;
620 }
621 
622 static int mt_ncp_event(struct snd_soc_dapm_widget *w,
623 			struct snd_kcontrol *kcontrol,
624 			int event)
625 {
626 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
627 
628 	switch (event) {
629 	case SND_SOC_DAPM_PRE_PMU:
630 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_NCP_CFG1,
631 				   0xffff, 0x1515);
632 		/* NCP: ck1 and ck2 clock frequecy adjust configure */
633 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_NCP_CFG0,
634 				   0xfffe, 0x8C00);
635 		break;
636 	case SND_SOC_DAPM_POST_PMU:
637 		usleep_range(250, 270);
638 		break;
639 	default:
640 		break;
641 	}
642 
643 	return 0;
644 }
645 
646 static int mt_sgen_event(struct snd_soc_dapm_widget *w,
647 			 struct snd_kcontrol *kcontrol,
648 			 int event)
649 {
650 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
651 
652 	switch (event) {
653 	case SND_SOC_DAPM_PRE_PMU:
654 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_SGEN_CFG0,
655 				   0xffef, 0x0008);
656 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_SGEN_CFG1,
657 				   0xffff, 0x0101);
658 		break;
659 	default:
660 		break;
661 	}
662 
663 	return 0;
664 }
665 
666 static int mt_aif_in_event(struct snd_soc_dapm_widget *w,
667 			   struct snd_kcontrol *kcontrol,
668 			   int event)
669 {
670 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
671 	struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
672 
673 	dev_dbg(priv->dev, "%s(), event 0x%x, rate %d\n",
674 		__func__, event, priv->dl_rate);
675 
676 	switch (event) {
677 	case SND_SOC_DAPM_PRE_PMU:
678 		/* sdm audio fifo clock power on */
679 		regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON2,
680 				   0xffff, 0x0006);
681 		/* scrambler clock on enable */
682 		regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON0,
683 				   0xffff, 0xC3A1);
684 		/* sdm power on */
685 		regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON2,
686 				   0xffff, 0x0003);
687 		/* sdm fifo enable */
688 		regmap_update_bits(cmpnt->regmap, MT6351_AFUNC_AUD_CON2,
689 				   0xffff, 0x000B);
690 		/* set attenuation gain */
691 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_DL_SDM_CON1,
692 				   0xffff, 0x001E);
693 
694 		regmap_write(cmpnt->regmap, MT6351_AFE_PMIC_NEWIF_CFG0,
695 			     (get_play_reg_val(cmpnt, priv->dl_rate) << 12) |
696 			     0x330);
697 		regmap_write(cmpnt->regmap, MT6351_AFE_DL_SRC2_CON0_H,
698 			     (get_play_reg_val(cmpnt, priv->dl_rate) << 12) |
699 			     0x300);
700 
701 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_PMIC_NEWIF_CFG2,
702 				   0x8000, 0x8000);
703 		break;
704 	default:
705 		break;
706 	}
707 
708 	return 0;
709 }
710 
711 static int mt_hp_event(struct snd_soc_dapm_widget *w,
712 		       struct snd_kcontrol *kcontrol,
713 		       int event)
714 {
715 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
716 	struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
717 	int reg;
718 
719 	dev_dbg(priv->dev, "%s(), event 0x%x, hp_en_counter %d\n",
720 		__func__, event, priv->hp_en_counter);
721 
722 	switch (event) {
723 	case SND_SOC_DAPM_PRE_PMU:
724 		priv->hp_en_counter++;
725 		if (priv->hp_en_counter > 1)
726 			break;	/* already enabled, do nothing */
727 		else if (priv->hp_en_counter <= 0)
728 			dev_err(priv->dev, "%s(), hp_en_counter %d <= 0\n",
729 				__func__,
730 				priv->hp_en_counter);
731 
732 		hp_zcd_disable(cmpnt);
733 
734 		/* from yoyo HQA script */
735 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON6,
736 				   0x0700, 0x0700);
737 
738 		/* save target gain to restore after hardware open complete */
739 		regmap_read(cmpnt->regmap, MT6351_ZCD_CON2, &reg);
740 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL] = reg & 0x1f;
741 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTR] = (reg >> 7) & 0x1f;
742 
743 		/* Set HPR/HPL gain as minimum (~ -40dB) */
744 		regmap_update_bits(cmpnt->regmap,
745 				   MT6351_ZCD_CON2, 0xffff, 0x0F9F);
746 		/* Set HS gain as minimum (~ -40dB) */
747 		regmap_update_bits(cmpnt->regmap,
748 				   MT6351_ZCD_CON3, 0xffff, 0x001F);
749 		/* De_OSC of HP */
750 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON2,
751 				   0x0001, 0x0001);
752 		/* enable output STBENH */
753 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
754 				   0xffff, 0x2000);
755 		/* De_OSC of voice, enable output STBENH */
756 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
757 				   0xffff, 0x2100);
758 		/* Enable voice driver */
759 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON0,
760 				   0x0010, 0xE090);
761 		/* Enable pre-charge buffer  */
762 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
763 				   0xffff, 0x2140);
764 
765 		usleep_range(50, 60);
766 
767 		/* Apply digital DC compensation value to DAC */
768 		set_hp_gain_zero(cmpnt);
769 
770 		/* Enable HPR/HPL */
771 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
772 				   0xffff, 0x2100);
773 		/* Disable pre-charge buffer */
774 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON1,
775 				   0xffff, 0x2000);
776 		/* Disable De_OSC of voice */
777 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON0,
778 				   0x0010, 0xF4EF);
779 		/* Disable voice buffer */
780 
781 		/* from yoyo HQ */
782 		regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON6,
783 				   0x0700, 0x0300);
784 
785 		/* Enable ZCD, for minimize pop noise */
786 		/* when adjust gain during HP buffer on */
787 		hp_zcd_enable(cmpnt);
788 
789 		/* apply volume setting */
790 		hp_gain_ramp_set(cmpnt, HP_GAIN_RESTORE);
791 
792 		break;
793 	case SND_SOC_DAPM_PRE_PMD:
794 		priv->hp_en_counter--;
795 		if (priv->hp_en_counter > 0)
796 			break;	/* still being used, don't close */
797 		else if (priv->hp_en_counter < 0)
798 			dev_err(priv->dev, "%s(), hp_en_counter %d <= 0\n",
799 				__func__,
800 				priv->hp_en_counter);
801 
802 		/* Disable AUD_ZCD */
803 		hp_zcd_disable(cmpnt);
804 
805 		/* Set HPR/HPL gain as -1dB, step by step */
806 		hp_gain_ramp_set(cmpnt, HP_GAIN_SET_ZERO);
807 
808 		set_hp_gain_zero(cmpnt);
809 		break;
810 	case SND_SOC_DAPM_POST_PMD:
811 		if (priv->hp_en_counter > 0)
812 			break;	/* still being used, don't close */
813 		else if (priv->hp_en_counter < 0)
814 			dev_err(priv->dev, "%s(), hp_en_counter %d <= 0\n",
815 				__func__,
816 				priv->hp_en_counter);
817 
818 		/* reset*/
819 		regmap_update_bits(cmpnt->regmap,
820 				   MT6351_AUDDEC_ANA_CON6,
821 				   0x0700,
822 				   0x0000);
823 		/* De_OSC of HP */
824 		regmap_update_bits(cmpnt->regmap,
825 				   MT6351_AUDDEC_ANA_CON2,
826 				   0x0001,
827 				   0x0000);
828 
829 		/* apply volume setting */
830 		hp_gain_ramp_set(cmpnt, HP_GAIN_RESTORE);
831 		break;
832 	default:
833 		break;
834 	}
835 
836 	return 0;
837 }
838 
839 static int mt_aif_out_event(struct snd_soc_dapm_widget *w,
840 			    struct snd_kcontrol *kcontrol,
841 			    int event)
842 {
843 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
844 	struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
845 
846 	dev_dbg(priv->dev, "%s(), event 0x%x, rate %d\n",
847 		__func__, event, priv->ul_rate);
848 
849 	switch (event) {
850 	case SND_SOC_DAPM_PRE_PMU:
851 		/* dcclk_div=11'b00100000011, dcclk_ref_ck_sel=2'b00 */
852 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_DCCLK_CFG0,
853 				   0xffff, 0x2062);
854 		/* dcclk_pdn=1'b0 */
855 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_DCCLK_CFG0,
856 				   0xffff, 0x2060);
857 		/* dcclk_gen_on=1'b1 */
858 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_DCCLK_CFG0,
859 				   0xffff, 0x2061);
860 
861 		/* UL sample rate and mode configure */
862 		regmap_update_bits(cmpnt->regmap, MT6351_AFE_UL_SRC_CON0_H,
863 				   0x000E,
864 				   get_cap_reg_val(cmpnt, priv->ul_rate) << 1);
865 
866 		/* fixed 260k path for 8/16/32/48 */
867 		if (priv->ul_rate <= 48000) {
868 			/* anc ul path src on */
869 			regmap_update_bits(cmpnt->regmap,
870 					   MT6351_AFE_HPANC_CFG0,
871 					   0x1 << 1,
872 					   0x1 << 1);
873 			/* ANC clk pdn release */
874 			regmap_update_bits(cmpnt->regmap,
875 					   MT6351_AFE_HPANC_CFG0,
876 					   0x1 << 0,
877 					   0x0 << 0);
878 		}
879 		break;
880 	case SND_SOC_DAPM_PRE_PMD:
881 		/* fixed 260k path for 8/16/32/48 */
882 		if (priv->ul_rate <= 48000) {
883 			/* anc ul path src on */
884 			regmap_update_bits(cmpnt->regmap,
885 					   MT6351_AFE_HPANC_CFG0,
886 					   0x1 << 1,
887 					   0x0 << 1);
888 			/* ANC clk pdn release */
889 			regmap_update_bits(cmpnt->regmap,
890 					   MT6351_AFE_HPANC_CFG0,
891 					   0x1 << 0,
892 					   0x1 << 0);
893 		}
894 		break;
895 	default:
896 		break;
897 	}
898 
899 	return 0;
900 }
901 
902 static int mt_adc_clkgen_event(struct snd_soc_dapm_widget *w,
903 			       struct snd_kcontrol *kcontrol,
904 			       int event)
905 {
906 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
907 
908 	switch (event) {
909 	case SND_SOC_DAPM_PRE_PMU:
910 		/* Audio ADC clock gen. mode: 00_divided by 2 (Normal) */
911 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON3,
912 				   0x3 << 4, 0x0);
913 		break;
914 	case SND_SOC_DAPM_POST_PMU:
915 		/* ADC CLK from: 00_13MHz from CLKSQ (Default) */
916 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON3,
917 				   0x3 << 2, 0x0);
918 		break;
919 	default:
920 		break;
921 	}
922 	return 0;
923 }
924 
925 static int mt_pga_left_event(struct snd_soc_dapm_widget *w,
926 			     struct snd_kcontrol *kcontrol,
927 			     int event)
928 {
929 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
930 
931 	switch (event) {
932 	case SND_SOC_DAPM_PRE_PMU:
933 		/* Audio L PGA precharge on */
934 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON0,
935 				   0x3 << RG_AUDPREAMPLDCPRECHARGE,
936 				   0x1 << RG_AUDPREAMPLDCPRECHARGE);
937 		/* Audio L PGA mode: 1_DCC */
938 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON0,
939 				   0x3 << RG_AUDPREAMPLDCCEN,
940 				   0x1 << RG_AUDPREAMPLDCCEN);
941 		break;
942 	case SND_SOC_DAPM_POST_PMU:
943 		usleep_range(100, 120);
944 		/* Audio L PGA precharge off */
945 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON0,
946 				   0x3 << RG_AUDPREAMPLDCPRECHARGE,
947 				   0x0 << RG_AUDPREAMPLDCPRECHARGE);
948 		break;
949 	default:
950 		break;
951 	}
952 	return 0;
953 }
954 
955 static int mt_pga_right_event(struct snd_soc_dapm_widget *w,
956 			      struct snd_kcontrol *kcontrol,
957 			      int event)
958 {
959 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
960 
961 	switch (event) {
962 	case SND_SOC_DAPM_PRE_PMU:
963 		/* Audio R PGA precharge on */
964 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON1,
965 				   0x3 << RG_AUDPREAMPRDCPRECHARGE,
966 				   0x1 << RG_AUDPREAMPRDCPRECHARGE);
967 		/* Audio R PGA mode: 1_DCC */
968 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON1,
969 				   0x3 << RG_AUDPREAMPRDCCEN,
970 				   0x1 << RG_AUDPREAMPRDCCEN);
971 		break;
972 	case SND_SOC_DAPM_POST_PMU:
973 		usleep_range(100, 120);
974 		/* Audio R PGA precharge off */
975 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON1,
976 				   0x3 << RG_AUDPREAMPRDCPRECHARGE,
977 				   0x0 << RG_AUDPREAMPRDCPRECHARGE);
978 		break;
979 	default:
980 		break;
981 	}
982 	return 0;
983 }
984 
985 static int mt_mic_bias_0_event(struct snd_soc_dapm_widget *w,
986 			       struct snd_kcontrol *kcontrol,
987 			       int event)
988 {
989 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
990 
991 	switch (event) {
992 	case SND_SOC_DAPM_PRE_PMU:
993 		/* MIC Bias 0 LowPower: 0_Normal */
994 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
995 				   0x3 << RG_AUDMICBIAS0LOWPEN, 0x0);
996 		/* MISBIAS0 = 1P9V */
997 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
998 				   0x7 << RG_AUDMICBIAS0VREF,
999 				   0x2 << RG_AUDMICBIAS0VREF);
1000 		break;
1001 	case SND_SOC_DAPM_POST_PMD:
1002 		/* MISBIAS0 = 1P97 */
1003 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
1004 				   0x7 << RG_AUDMICBIAS0VREF,
1005 				   0x0 << RG_AUDMICBIAS0VREF);
1006 		break;
1007 	default:
1008 		break;
1009 	}
1010 	return 0;
1011 }
1012 
1013 static int mt_mic_bias_1_event(struct snd_soc_dapm_widget *w,
1014 			       struct snd_kcontrol *kcontrol,
1015 			       int event)
1016 {
1017 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1018 
1019 	switch (event) {
1020 	case SND_SOC_DAPM_PRE_PMU:
1021 		/* MIC Bias 1 LowPower: 0_Normal */
1022 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON10,
1023 				   0x3 << RG_AUDMICBIAS1LOWPEN, 0x0);
1024 		/* MISBIAS1 = 2P7V */
1025 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON10,
1026 				   0x7 << RG_AUDMICBIAS1VREF,
1027 				   0x7 << RG_AUDMICBIAS1VREF);
1028 		break;
1029 	case SND_SOC_DAPM_POST_PMD:
1030 		/* MISBIAS1 = 1P7V */
1031 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON10,
1032 				   0x7 << RG_AUDMICBIAS1VREF,
1033 				   0x0 << RG_AUDMICBIAS1VREF);
1034 		break;
1035 	default:
1036 		break;
1037 	}
1038 	return 0;
1039 }
1040 
1041 static int mt_mic_bias_2_event(struct snd_soc_dapm_widget *w,
1042 			       struct snd_kcontrol *kcontrol,
1043 			       int event)
1044 {
1045 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1046 
1047 	switch (event) {
1048 	case SND_SOC_DAPM_PRE_PMU:
1049 		/* MIC Bias 2 LowPower: 0_Normal */
1050 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
1051 				   0x3 << RG_AUDMICBIAS2LOWPEN, 0x0);
1052 		/* MISBIAS2 = 1P9V */
1053 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
1054 				   0x7 << RG_AUDMICBIAS2VREF,
1055 				   0x2 << RG_AUDMICBIAS2VREF);
1056 		break;
1057 	case SND_SOC_DAPM_POST_PMD:
1058 		/* MISBIAS2 = 1P97 */
1059 		regmap_update_bits(cmpnt->regmap, MT6351_AUDENC_ANA_CON9,
1060 				   0x7 << RG_AUDMICBIAS2VREF,
1061 				   0x0 << RG_AUDMICBIAS2VREF);
1062 		break;
1063 	default:
1064 		break;
1065 	}
1066 	return 0;
1067 }
1068 
1069 /* DAPM Widgets */
1070 static const struct snd_soc_dapm_widget mt6351_dapm_widgets[] = {
1071 	/* Digital Clock */
1072 	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_AFE_CTL", MT6351_AUDIO_TOP_CON0,
1073 			    AUD_TOP_PDN_AFE_CTL_BIT, 1, NULL, 0),
1074 	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_DAC_CTL", MT6351_AUDIO_TOP_CON0,
1075 			    AUD_TOP_PDN_DAC_CTL_BIT, 1, NULL, 0),
1076 	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_ADC_CTL", MT6351_AUDIO_TOP_CON0,
1077 			    AUD_TOP_PDN_ADC_CTL_BIT, 1, NULL, 0),
1078 	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_PWR_CLK", MT6351_AUDIO_TOP_CON0,
1079 			    AUD_TOP_PWR_CLK_DIS_CTL_BIT, 1, NULL, 0),
1080 	SND_SOC_DAPM_SUPPLY("AUDIO_TOP_PDN_RESERVED", MT6351_AUDIO_TOP_CON0,
1081 			    AUD_TOP_PDN_RESERVED_BIT, 1, NULL, 0),
1082 
1083 	SND_SOC_DAPM_SUPPLY("NCP", MT6351_AFE_NCP_CFG0,
1084 			    RG_NCP_ON_BIT, 0,
1085 			    mt_ncp_event,
1086 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
1087 
1088 	SND_SOC_DAPM_SUPPLY("DL Digital Clock", SND_SOC_NOPM,
1089 			    0, 0, NULL, 0),
1090 
1091 	/* Global Supply*/
1092 	SND_SOC_DAPM_SUPPLY("AUDGLB", MT6351_AUDDEC_ANA_CON9,
1093 			    RG_AUDGLB_PWRDN_VA32_BIT, 1, NULL, 0),
1094 	SND_SOC_DAPM_SUPPLY("CLKSQ Audio", MT6351_TOP_CLKSQ,
1095 			    RG_CLKSQ_EN_AUD_BIT, 0,
1096 			    mt_reg_set_clr_event,
1097 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1098 	SND_SOC_DAPM_SUPPLY("ZCD13M_CK", MT6351_TOP_CKPDN_CON0,
1099 			    RG_ZCD13M_CK_PDN_BIT, 1,
1100 			    mt_reg_set_clr_event,
1101 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1102 	SND_SOC_DAPM_SUPPLY("AUD_CK", MT6351_TOP_CKPDN_CON0,
1103 			    RG_AUD_CK_PDN_BIT, 1,
1104 			    mt_reg_set_clr_event,
1105 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1106 	SND_SOC_DAPM_SUPPLY("AUDIF_CK", MT6351_TOP_CKPDN_CON0,
1107 			    RG_AUDIF_CK_PDN_BIT, 1,
1108 			    mt_reg_set_clr_event,
1109 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1110 	SND_SOC_DAPM_SUPPLY("AUDNCP_CK", MT6351_TOP_CKPDN_CON0,
1111 			    RG_AUDNCP_CK_PDN_BIT, 1,
1112 			    mt_reg_set_clr_event,
1113 			    SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1114 
1115 	SND_SOC_DAPM_SUPPLY("AFE_ON", MT6351_AFE_UL_DL_CON0, RG_AFE_ON_BIT, 0,
1116 			    NULL, 0),
1117 
1118 	/* AIF Rx*/
1119 	SND_SOC_DAPM_AIF_IN_E("AIF_RX", "AIF1 Playback", 0,
1120 			      MT6351_AFE_DL_SRC2_CON0_L,
1121 			      RG_DL_2_SRC_ON_TMP_CTL_PRE_BIT, 0,
1122 			      mt_aif_in_event, SND_SOC_DAPM_PRE_PMU),
1123 
1124 	/* DL Supply */
1125 	SND_SOC_DAPM_SUPPLY("DL Power Supply", SND_SOC_NOPM,
1126 			    0, 0, NULL, 0),
1127 	SND_SOC_DAPM_SUPPLY("NV Regulator", MT6351_AUDDEC_ANA_CON10,
1128 			    RG_NVREG_EN_VAUDP32_BIT, 0, NULL, 0),
1129 	SND_SOC_DAPM_SUPPLY("AUD_CLK", MT6351_AUDDEC_ANA_CON9,
1130 			    RG_RSTB_DECODER_VA32_BIT, 0, NULL, 0),
1131 	SND_SOC_DAPM_SUPPLY("IBIST", MT6351_AUDDEC_ANA_CON9,
1132 			    RG_AUDIBIASPWRDN_VAUDP32_BIT, 1, NULL, 0),
1133 	SND_SOC_DAPM_SUPPLY("LDO", MT6351_AUDDEC_ANA_CON9,
1134 			    RG_LCLDO_DEC_EN_VA32_BIT, 0, NULL, 0),
1135 	SND_SOC_DAPM_SUPPLY("LDO_REMOTE_SENSE", MT6351_AUDDEC_ANA_CON9,
1136 			    RG_LCLDO_DEC_REMOTE_SENSE_VA18_BIT, 0, NULL, 0),
1137 
1138 	/* DAC */
1139 	SND_SOC_DAPM_MUX("DAC In Mux", SND_SOC_NOPM, 0, 0, &dac_in_mux_control),
1140 
1141 	SND_SOC_DAPM_DAC("DACL", NULL, MT6351_AUDDEC_ANA_CON0,
1142 			 RG_AUDDACLPWRUP_VAUDP32_BIT, 0),
1143 	SND_SOC_DAPM_SUPPLY("DACL_BIASGEN", MT6351_AUDDEC_ANA_CON0,
1144 			    RG_AUD_DAC_PWL_UP_VA32_BIT, 0, NULL, 0),
1145 
1146 	SND_SOC_DAPM_DAC("DACR", NULL, MT6351_AUDDEC_ANA_CON0,
1147 			 RG_AUDDACRPWRUP_VAUDP32_BIT, 0),
1148 	SND_SOC_DAPM_SUPPLY("DACR_BIASGEN", MT6351_AUDDEC_ANA_CON0,
1149 			    RG_AUD_DAC_PWR_UP_VA32_BIT, 0, NULL, 0),
1150 	/* LOL */
1151 	SND_SOC_DAPM_MUX("LOL Mux", SND_SOC_NOPM, 0, 0, &lo_in_mux_control),
1152 
1153 	SND_SOC_DAPM_SUPPLY("LO Stability Enh", MT6351_AUDDEC_ANA_CON3,
1154 			    RG_LOOUTPUTSTBENH_VAUDP32_BIT, 0, NULL, 0),
1155 	SND_SOC_DAPM_SUPPLY("LOL Bias Gen", MT6351_AUDDEC_ANA_CON6,
1156 			    RG_ABIDEC_RSVD0_VAUDP32_LOL_BIT, 0, NULL, 0),
1157 
1158 	SND_SOC_DAPM_OUT_DRV("LOL Buffer", MT6351_AUDDEC_ANA_CON3,
1159 			     RG_AUDLOLPWRUP_VAUDP32_BIT, 0, NULL, 0),
1160 
1161 	/* Headphone */
1162 	SND_SOC_DAPM_MUX("HPL Mux", SND_SOC_NOPM, 0, 0, &hpl_in_mux_control),
1163 	SND_SOC_DAPM_MUX("HPR Mux", SND_SOC_NOPM, 0, 0, &hpr_in_mux_control),
1164 
1165 	SND_SOC_DAPM_OUT_DRV_E("HPL Power", MT6351_AUDDEC_ANA_CON0,
1166 			       RG_AUDHPLPWRUP_VAUDP32_BIT, 0, NULL, 0,
1167 			       mt_hp_event,
1168 			       SND_SOC_DAPM_PRE_PMU |
1169 			       SND_SOC_DAPM_PRE_PMD |
1170 			       SND_SOC_DAPM_POST_PMD),
1171 	SND_SOC_DAPM_OUT_DRV_E("HPR Power", MT6351_AUDDEC_ANA_CON0,
1172 			       RG_AUDHPRPWRUP_VAUDP32_BIT, 0, NULL, 0,
1173 			       mt_hp_event,
1174 			       SND_SOC_DAPM_PRE_PMU |
1175 			       SND_SOC_DAPM_PRE_PMD |
1176 			       SND_SOC_DAPM_POST_PMD),
1177 
1178 	/* Receiver */
1179 	SND_SOC_DAPM_MUX("RCV Mux", SND_SOC_NOPM, 0, 0, &rcv_in_mux_control),
1180 
1181 	SND_SOC_DAPM_SUPPLY("RCV Stability Enh", MT6351_AUDDEC_ANA_CON1,
1182 			    RG_HSOUTPUTSTBENH_VAUDP32_BIT, 0, NULL, 0),
1183 	SND_SOC_DAPM_SUPPLY("RCV Bias Gen", MT6351_AUDDEC_ANA_CON6,
1184 			    RG_ABIDEC_RSVD0_VAUDP32_HS_BIT, 0, NULL, 0),
1185 
1186 	SND_SOC_DAPM_OUT_DRV("RCV Buffer", MT6351_AUDDEC_ANA_CON0,
1187 			     RG_AUDHSPWRUP_VAUDP32_BIT, 0, NULL, 0),
1188 
1189 	/* Outputs */
1190 	SND_SOC_DAPM_OUTPUT("Receiver"),
1191 	SND_SOC_DAPM_OUTPUT("Headphone L"),
1192 	SND_SOC_DAPM_OUTPUT("Headphone R"),
1193 	SND_SOC_DAPM_OUTPUT("LINEOUT L"),
1194 
1195 	/* SGEN */
1196 	SND_SOC_DAPM_SUPPLY("SGEN DL Enable", MT6351_AFE_SGEN_CFG0,
1197 			    SGEN_C_DAC_EN_CTL_BIT, 0, NULL, 0),
1198 	SND_SOC_DAPM_SUPPLY("SGEN MUTE", MT6351_AFE_SGEN_CFG0,
1199 			    SGEN_C_MUTE_SW_CTL_BIT, 1,
1200 			    mt_sgen_event, SND_SOC_DAPM_PRE_PMU),
1201 	SND_SOC_DAPM_SUPPLY("SGEN DL SRC", MT6351_AFE_DL_SRC2_CON0_L,
1202 			    RG_DL_2_SRC_ON_TMP_CTL_PRE_BIT, 0, NULL, 0),
1203 
1204 	SND_SOC_DAPM_INPUT("SGEN DL"),
1205 
1206 	/* Uplinks */
1207 	SND_SOC_DAPM_AIF_OUT_E("AIF1TX", "AIF1 Capture", 0,
1208 			       MT6351_AFE_UL_SRC_CON0_L,
1209 			       UL_SRC_ON_TMP_CTL, 0,
1210 			       mt_aif_out_event,
1211 			       SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_PRE_PMD),
1212 
1213 	SND_SOC_DAPM_SUPPLY_S("VUSB33_LDO", SUPPLY_SUBSEQ_ENABLE,
1214 			      MT6351_LDO_VUSB33_CON0, RG_VUSB33_EN, 0,
1215 			      NULL, 0),
1216 	SND_SOC_DAPM_SUPPLY_S("VUSB33_LDO_CTRL", SUPPLY_SUBSEQ_SETTING,
1217 			      MT6351_LDO_VUSB33_CON0, RG_VUSB33_ON_CTRL, 1,
1218 			      NULL, 0),
1219 
1220 	SND_SOC_DAPM_SUPPLY_S("VA18_LDO", SUPPLY_SUBSEQ_ENABLE,
1221 			      MT6351_LDO_VA18_CON0, RG_VA18_EN, 0, NULL, 0),
1222 	SND_SOC_DAPM_SUPPLY_S("VA18_LDO_CTRL", SUPPLY_SUBSEQ_SETTING,
1223 			      MT6351_LDO_VA18_CON0, RG_VA18_ON_CTRL, 1,
1224 			      NULL, 0),
1225 
1226 	SND_SOC_DAPM_SUPPLY_S("ADC CLKGEN", SUPPLY_SUBSEQ_ENABLE,
1227 			      MT6351_AUDENC_ANA_CON3, RG_AUDADCCLKRSTB, 0,
1228 			      mt_adc_clkgen_event,
1229 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
1230 
1231 	/* Uplinks MUX */
1232 	SND_SOC_DAPM_MUX("AIF Out Mux", SND_SOC_NOPM, 0, 0,
1233 			 &aif_out_mux_control),
1234 
1235 	SND_SOC_DAPM_MUX("ADC L Mux", SND_SOC_NOPM, 0, 0,
1236 			 &adc_left_mux_control),
1237 	SND_SOC_DAPM_MUX("ADC R Mux", SND_SOC_NOPM, 0, 0,
1238 			 &adc_right_mux_control),
1239 
1240 	SND_SOC_DAPM_ADC("ADC L", NULL,
1241 			 MT6351_AUDENC_ANA_CON0, RG_AUDADCLPWRUP, 0),
1242 	SND_SOC_DAPM_ADC("ADC R", NULL,
1243 			 MT6351_AUDENC_ANA_CON1, RG_AUDADCRPWRUP, 0),
1244 
1245 	SND_SOC_DAPM_MUX("PGA L Mux", SND_SOC_NOPM, 0, 0,
1246 			 &pga_left_mux_control),
1247 	SND_SOC_DAPM_MUX("PGA R Mux", SND_SOC_NOPM, 0, 0,
1248 			 &pga_right_mux_control),
1249 
1250 	SND_SOC_DAPM_PGA_E("PGA L", MT6351_AUDENC_ANA_CON0, RG_AUDPREAMPLON, 0,
1251 			   NULL, 0,
1252 			   mt_pga_left_event,
1253 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
1254 	SND_SOC_DAPM_PGA_E("PGA R", MT6351_AUDENC_ANA_CON1, RG_AUDPREAMPRON, 0,
1255 			   NULL, 0,
1256 			   mt_pga_right_event,
1257 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMU),
1258 
1259 	/* main mic mic bias */
1260 	SND_SOC_DAPM_SUPPLY_S("Mic Bias 0", SUPPLY_SUBSEQ_MICBIAS,
1261 			      MT6351_AUDENC_ANA_CON9, RG_AUDPWDBMICBIAS0, 0,
1262 			      mt_mic_bias_0_event,
1263 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1264 	/* ref mic mic bias */
1265 	SND_SOC_DAPM_SUPPLY_S("Mic Bias 2", SUPPLY_SUBSEQ_MICBIAS,
1266 			      MT6351_AUDENC_ANA_CON9, RG_AUDPWDBMICBIAS2, 0,
1267 			      mt_mic_bias_2_event,
1268 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1269 	/* headset mic1/2 mic bias */
1270 	SND_SOC_DAPM_SUPPLY_S("Mic Bias 1", SUPPLY_SUBSEQ_MICBIAS,
1271 			      MT6351_AUDENC_ANA_CON10, RG_AUDPWDBMICBIAS1, 0,
1272 			      mt_mic_bias_1_event,
1273 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1274 	SND_SOC_DAPM_SUPPLY_S("Mic Bias 1 DCC pull high", SUPPLY_SUBSEQ_MICBIAS,
1275 			      MT6351_AUDENC_ANA_CON10,
1276 			      RG_AUDMICBIAS1DCSW1NEN, 0,
1277 			      NULL, 0),
1278 
1279 	/* UL input */
1280 	SND_SOC_DAPM_INPUT("AIN0"),
1281 	SND_SOC_DAPM_INPUT("AIN1"),
1282 	SND_SOC_DAPM_INPUT("AIN2"),
1283 	SND_SOC_DAPM_INPUT("AIN3"),
1284 };
1285 
1286 static const struct snd_soc_dapm_route mt6351_dapm_routes[] = {
1287 	/* Capture */
1288 	{"AIF1TX", NULL, "AIF Out Mux"},
1289 	{"AIF1TX", NULL, "VUSB33_LDO"},
1290 	{"VUSB33_LDO", NULL, "VUSB33_LDO_CTRL"},
1291 	{"AIF1TX", NULL, "VA18_LDO"},
1292 	{"VA18_LDO", NULL, "VA18_LDO_CTRL"},
1293 
1294 	{"AIF1TX", NULL, "AUDGLB"},
1295 	{"AIF1TX", NULL, "CLKSQ Audio"},
1296 
1297 	{"AIF1TX", NULL, "AFE_ON"},
1298 
1299 	{"AIF1TX", NULL, "AUDIO_TOP_AFE_CTL"},
1300 	{"AIF1TX", NULL, "AUDIO_TOP_ADC_CTL"},
1301 	{"AIF1TX", NULL, "AUDIO_TOP_PWR_CLK"},
1302 	{"AIF1TX", NULL, "AUDIO_TOP_PDN_RESERVED"},
1303 
1304 	{"AIF Out Mux", "Normal Path", "ADC L"},
1305 	{"AIF Out Mux", "Normal Path", "ADC R"},
1306 
1307 	{"ADC L", NULL, "ADC L Mux"},
1308 	{"ADC L", NULL, "AUD_CK"},
1309 	{"ADC L", NULL, "AUDIF_CK"},
1310 	{"ADC L", NULL, "ADC CLKGEN"},
1311 	{"ADC R", NULL, "ADC R Mux"},
1312 	{"ADC R", NULL, "AUD_CK"},
1313 	{"ADC R", NULL, "AUDIF_CK"},
1314 	{"ADC R", NULL, "ADC CLKGEN"},
1315 
1316 	{"ADC L Mux", "AIN0", "AIN0"},
1317 	{"ADC L Mux", "Left Preamplifier", "PGA L"},
1318 
1319 	{"ADC R Mux", "AIN0", "AIN0"},
1320 	{"ADC R Mux", "Right Preamplifier", "PGA R"},
1321 
1322 	{"PGA L", NULL, "PGA L Mux"},
1323 	{"PGA R", NULL, "PGA R Mux"},
1324 
1325 	{"PGA L Mux", "AIN0", "AIN0"},
1326 	{"PGA L Mux", "AIN1", "AIN1"},
1327 	{"PGA L Mux", "AIN2", "AIN2"},
1328 
1329 	{"PGA R Mux", "AIN0", "AIN0"},
1330 	{"PGA R Mux", "AIN3", "AIN3"},
1331 	{"PGA R Mux", "AIN2", "AIN2"},
1332 
1333 	{"AIN0", NULL, "Mic Bias 0"},
1334 	{"AIN2", NULL, "Mic Bias 2"},
1335 
1336 	{"AIN1", NULL, "Mic Bias 1"},
1337 	{"AIN1", NULL, "Mic Bias 1 DCC pull high"},
1338 
1339 	/* DL Supply */
1340 	{"DL Power Supply", NULL, "AUDGLB"},
1341 	{"DL Power Supply", NULL, "CLKSQ Audio"},
1342 	{"DL Power Supply", NULL, "ZCD13M_CK"},
1343 	{"DL Power Supply", NULL, "AUD_CK"},
1344 	{"DL Power Supply", NULL, "AUDIF_CK"},
1345 	{"DL Power Supply", NULL, "AUDNCP_CK"},
1346 
1347 	{"DL Power Supply", NULL, "NV Regulator"},
1348 	{"DL Power Supply", NULL, "AUD_CLK"},
1349 	{"DL Power Supply", NULL, "IBIST"},
1350 	{"DL Power Supply", NULL, "LDO"},
1351 	{"LDO", NULL, "LDO_REMOTE_SENSE"},
1352 
1353 	/* DL Digital Supply */
1354 	{"DL Digital Clock", NULL, "AUDIO_TOP_AFE_CTL"},
1355 	{"DL Digital Clock", NULL, "AUDIO_TOP_DAC_CTL"},
1356 	{"DL Digital Clock", NULL, "AUDIO_TOP_PWR_CLK"},
1357 	{"DL Digital Clock", NULL, "AUDIO_TOP_PDN_RESERVED"},
1358 	{"DL Digital Clock", NULL, "NCP"},
1359 	{"DL Digital Clock", NULL, "AFE_ON"},
1360 
1361 	{"AIF_RX", NULL, "DL Digital Clock"},
1362 
1363 	/* DL Path */
1364 	{"DAC In Mux", "Normal Path", "AIF_RX"},
1365 
1366 	{"DAC In Mux", "Sgen", "SGEN DL"},
1367 	{"SGEN DL", NULL, "SGEN DL SRC"},
1368 	{"SGEN DL", NULL, "SGEN MUTE"},
1369 	{"SGEN DL", NULL, "SGEN DL Enable"},
1370 	{"SGEN DL", NULL, "DL Digital Clock"},
1371 
1372 	{"DACL", NULL, "DAC In Mux"},
1373 	{"DACL", NULL, "DL Power Supply"},
1374 	{"DACL", NULL, "DACL_BIASGEN"},
1375 
1376 	{"DACR", NULL, "DAC In Mux"},
1377 	{"DACR", NULL, "DL Power Supply"},
1378 	{"DACR", NULL, "DACR_BIASGEN"},
1379 
1380 	{"LOL Mux", "Playback", "DACL"},
1381 
1382 	{"LOL Buffer", NULL, "LOL Mux"},
1383 	{"LOL Buffer", NULL, "LO Stability Enh"},
1384 	{"LOL Buffer", NULL, "LOL Bias Gen"},
1385 
1386 	{"LINEOUT L", NULL, "LOL Buffer"},
1387 
1388 	/* Headphone Path */
1389 	{"HPL Mux", "Audio Playback", "DACL"},
1390 	{"HPR Mux", "Audio Playback", "DACR"},
1391 
1392 	{"HPL Mux", "LoudSPK Playback", "DACL"},
1393 	{"HPR Mux", "LoudSPK Playback", "DACR"},
1394 
1395 	{"HPL Power", NULL, "HPL Mux"},
1396 	{"HPR Power", NULL, "HPR Mux"},
1397 
1398 	{"Headphone L", NULL, "HPL Power"},
1399 	{"Headphone R", NULL, "HPR Power"},
1400 
1401 	/* Receiver Path */
1402 	{"RCV Mux", "Voice Playback", "DACL"},
1403 
1404 	{"RCV Buffer", NULL, "RCV Mux"},
1405 	{"RCV Buffer", NULL, "RCV Stability Enh"},
1406 	{"RCV Buffer", NULL, "RCV Bias Gen"},
1407 
1408 	{"Receiver", NULL, "RCV Buffer"},
1409 };
1410 
1411 static int mt6351_codec_init_reg(struct snd_soc_component *cmpnt)
1412 {
1413 	/* Disable CLKSQ 26MHz */
1414 	regmap_update_bits(cmpnt->regmap, MT6351_TOP_CLKSQ, 0x0001, 0x0);
1415 	/* disable AUDGLB */
1416 	regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON9,
1417 			   0x1000, 0x1000);
1418 	/* Turn off AUDNCP_CLKDIV engine clock,Turn off AUD 26M */
1419 	regmap_update_bits(cmpnt->regmap, MT6351_TOP_CKPDN_CON0_SET,
1420 			   0x3800, 0x3800);
1421 	/* Disable HeadphoneL/HeadphoneR/voice short circuit protection */
1422 	regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON0,
1423 			   0xe000, 0xe000);
1424 	/* [5] = 1, disable LO buffer left short circuit protection */
1425 	regmap_update_bits(cmpnt->regmap, MT6351_AUDDEC_ANA_CON3,
1426 			   0x20, 0x20);
1427 	/* Reverse the PMIC clock*/
1428 	regmap_update_bits(cmpnt->regmap, MT6351_AFE_PMIC_NEWIF_CFG2,
1429 			   0x8000, 0x8000);
1430 	return 0;
1431 }
1432 
1433 static int mt6351_codec_probe(struct snd_soc_component *cmpnt)
1434 {
1435 	struct mt6351_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1436 
1437 	snd_soc_component_init_regmap(cmpnt, priv->regmap);
1438 
1439 	mt6351_codec_init_reg(cmpnt);
1440 	return 0;
1441 }
1442 
1443 static const struct snd_soc_component_driver mt6351_soc_component_driver = {
1444 	.probe = mt6351_codec_probe,
1445 	.controls = mt6351_snd_controls,
1446 	.num_controls = ARRAY_SIZE(mt6351_snd_controls),
1447 	.dapm_widgets = mt6351_dapm_widgets,
1448 	.num_dapm_widgets = ARRAY_SIZE(mt6351_dapm_widgets),
1449 	.dapm_routes = mt6351_dapm_routes,
1450 	.num_dapm_routes = ARRAY_SIZE(mt6351_dapm_routes),
1451 };
1452 
1453 static int mt6351_codec_driver_probe(struct platform_device *pdev)
1454 {
1455 	struct mt6351_priv *priv;
1456 
1457 	priv = devm_kzalloc(&pdev->dev,
1458 			    sizeof(struct mt6351_priv),
1459 			    GFP_KERNEL);
1460 	if (!priv)
1461 		return -ENOMEM;
1462 
1463 	dev_set_drvdata(&pdev->dev, priv);
1464 
1465 	priv->dev = &pdev->dev;
1466 
1467 	priv->regmap = dev_get_regmap(pdev->dev.parent, NULL);
1468 	if (!priv->regmap)
1469 		return -ENODEV;
1470 
1471 	dev_dbg(priv->dev, "%s(), dev name %s\n",
1472 		__func__, dev_name(&pdev->dev));
1473 
1474 	return devm_snd_soc_register_component(&pdev->dev,
1475 					       &mt6351_soc_component_driver,
1476 					       mt6351_dai_driver,
1477 					       ARRAY_SIZE(mt6351_dai_driver));
1478 }
1479 
1480 static const struct of_device_id mt6351_of_match[] = {
1481 	{.compatible = "mediatek,mt6351-sound",},
1482 	{}
1483 };
1484 
1485 static struct platform_driver mt6351_codec_driver = {
1486 	.driver = {
1487 		.name = "mt6351-sound",
1488 		.of_match_table = mt6351_of_match,
1489 	},
1490 	.probe = mt6351_codec_driver_probe,
1491 };
1492 
1493 module_platform_driver(mt6351_codec_driver)
1494 
1495 /* Module information */
1496 MODULE_DESCRIPTION("MT6351 ALSA SoC codec driver");
1497 MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
1498 MODULE_LICENSE("GPL v2");
1499