xref: /openbmc/linux/sound/soc/codecs/mt6358.c (revision 8ec90bfd)
1 // SPDX-License-Identifier: GPL-2.0
2 //
3 // mt6358.c  --  mt6358 ALSA SoC audio codec driver
4 //
5 // Copyright (c) 2018 MediaTek Inc.
6 // Author: KaiChieh Chuang <kaichieh.chuang@mediatek.com>
7 
8 #include <linux/platform_device.h>
9 #include <linux/module.h>
10 #include <linux/of_device.h>
11 #include <linux/delay.h>
12 #include <linux/kthread.h>
13 #include <linux/sched.h>
14 #include <linux/mfd/mt6397/core.h>
15 #include <linux/regulator/consumer.h>
16 
17 #include <sound/soc.h>
18 #include <sound/tlv.h>
19 
20 #include "mt6358.h"
21 
22 enum {
23 	AUDIO_ANALOG_VOLUME_HSOUTL,
24 	AUDIO_ANALOG_VOLUME_HSOUTR,
25 	AUDIO_ANALOG_VOLUME_HPOUTL,
26 	AUDIO_ANALOG_VOLUME_HPOUTR,
27 	AUDIO_ANALOG_VOLUME_LINEOUTL,
28 	AUDIO_ANALOG_VOLUME_LINEOUTR,
29 	AUDIO_ANALOG_VOLUME_MICAMP1,
30 	AUDIO_ANALOG_VOLUME_MICAMP2,
31 	AUDIO_ANALOG_VOLUME_TYPE_MAX
32 };
33 
34 enum {
35 	MUX_ADC_L,
36 	MUX_ADC_R,
37 	MUX_PGA_L,
38 	MUX_PGA_R,
39 	MUX_MIC_TYPE,
40 	MUX_HP_L,
41 	MUX_HP_R,
42 	MUX_NUM,
43 };
44 
45 enum {
46 	DEVICE_HP,
47 	DEVICE_LO,
48 	DEVICE_RCV,
49 	DEVICE_MIC1,
50 	DEVICE_MIC2,
51 	DEVICE_NUM
52 };
53 
54 /* Supply widget subseq */
55 enum {
56 	/* common */
57 	SUPPLY_SEQ_CLK_BUF,
58 	SUPPLY_SEQ_AUD_GLB,
59 	SUPPLY_SEQ_CLKSQ,
60 	SUPPLY_SEQ_VOW_AUD_LPW,
61 	SUPPLY_SEQ_AUD_VOW,
62 	SUPPLY_SEQ_VOW_CLK,
63 	SUPPLY_SEQ_VOW_LDO,
64 	SUPPLY_SEQ_TOP_CK,
65 	SUPPLY_SEQ_TOP_CK_LAST,
66 	SUPPLY_SEQ_AUD_TOP,
67 	SUPPLY_SEQ_AUD_TOP_LAST,
68 	SUPPLY_SEQ_AFE,
69 	/* capture */
70 	SUPPLY_SEQ_ADC_SUPPLY,
71 };
72 
73 enum {
74 	CH_L = 0,
75 	CH_R,
76 	NUM_CH,
77 };
78 
79 #define REG_STRIDE 2
80 
81 struct mt6358_priv {
82 	struct device *dev;
83 	struct regmap *regmap;
84 
85 	unsigned int dl_rate;
86 	unsigned int ul_rate;
87 
88 	int ana_gain[AUDIO_ANALOG_VOLUME_TYPE_MAX];
89 	unsigned int mux_select[MUX_NUM];
90 
91 	int dev_counter[DEVICE_NUM];
92 
93 	int mtkaif_protocol;
94 
95 	struct regulator *avdd_reg;
96 
97 	int wov_enabled;
98 
99 	unsigned int dmic_one_wire_mode;
100 };
101 
102 int mt6358_set_mtkaif_protocol(struct snd_soc_component *cmpnt,
103 			       int mtkaif_protocol)
104 {
105 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
106 
107 	priv->mtkaif_protocol = mtkaif_protocol;
108 	return 0;
109 }
110 
111 static void playback_gpio_set(struct mt6358_priv *priv)
112 {
113 	/* set gpio mosi mode */
114 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_CLR,
115 			   0x01f8, 0x01f8);
116 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_SET,
117 			   0xffff, 0x0249);
118 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2,
119 			   0xffff, 0x0249);
120 }
121 
122 static void playback_gpio_reset(struct mt6358_priv *priv)
123 {
124 	/* set pad_aud_*_mosi to GPIO mode and dir input
125 	 * reason:
126 	 * pad_aud_dat_mosi*, because the pin is used as boot strap
127 	 * don't clean clk/sync, for mtkaif protocol 2
128 	 */
129 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_CLR,
130 			   0x01f8, 0x01f8);
131 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2,
132 			   0x01f8, 0x0000);
133 	regmap_update_bits(priv->regmap, MT6358_GPIO_DIR0,
134 			   0xf << 8, 0x0);
135 }
136 
137 static void capture_gpio_set(struct mt6358_priv *priv)
138 {
139 	/* set gpio miso mode */
140 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_CLR,
141 			   0xffff, 0xffff);
142 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_SET,
143 			   0xffff, 0x0249);
144 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3,
145 			   0xffff, 0x0249);
146 }
147 
148 static void capture_gpio_reset(struct mt6358_priv *priv)
149 {
150 	/* set pad_aud_*_miso to GPIO mode and dir input
151 	 * reason:
152 	 * pad_aud_clk_miso, because when playback only the miso_clk
153 	 * will also have 26m, so will have power leak
154 	 * pad_aud_dat_miso*, because the pin is used as boot strap
155 	 */
156 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_CLR,
157 			   0xffff, 0xffff);
158 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3,
159 			   0xffff, 0x0000);
160 	regmap_update_bits(priv->regmap, MT6358_GPIO_DIR0,
161 			   0xf << 12, 0x0);
162 }
163 
164 /* use only when not govern by DAPM */
165 static int mt6358_set_dcxo(struct mt6358_priv *priv, bool enable)
166 {
167 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW14,
168 			   0x1 << RG_XO_AUDIO_EN_M_SFT,
169 			   (enable ? 1 : 0) << RG_XO_AUDIO_EN_M_SFT);
170 	return 0;
171 }
172 
173 /* use only when not govern by DAPM */
174 static int mt6358_set_clksq(struct mt6358_priv *priv, bool enable)
175 {
176 	/* audio clk source from internal dcxo */
177 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
178 			   RG_CLKSQ_IN_SEL_TEST_MASK_SFT,
179 			   0x0);
180 
181 	/* Enable/disable CLKSQ 26MHz */
182 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
183 			   RG_CLKSQ_EN_MASK_SFT,
184 			   (enable ? 1 : 0) << RG_CLKSQ_EN_SFT);
185 	return 0;
186 }
187 
188 /* use only when not govern by DAPM */
189 static int mt6358_set_aud_global_bias(struct mt6358_priv *priv, bool enable)
190 {
191 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
192 			   RG_AUDGLB_PWRDN_VA28_MASK_SFT,
193 			   (enable ? 0 : 1) << RG_AUDGLB_PWRDN_VA28_SFT);
194 	return 0;
195 }
196 
197 /* use only when not govern by DAPM */
198 static int mt6358_set_topck(struct mt6358_priv *priv, bool enable)
199 {
200 	regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
201 			   0x0066, enable ? 0x0 : 0x66);
202 	return 0;
203 }
204 
205 static int mt6358_mtkaif_tx_enable(struct mt6358_priv *priv)
206 {
207 	switch (priv->mtkaif_protocol) {
208 	case MT6358_MTKAIF_PROTOCOL_2_CLK_P2:
209 		/* MTKAIF TX format setting */
210 		regmap_update_bits(priv->regmap,
211 				   MT6358_AFE_ADDA_MTKAIF_CFG0,
212 				   0xffff, 0x0010);
213 		/* enable aud_pad TX fifos */
214 		regmap_update_bits(priv->regmap,
215 				   MT6358_AFE_AUD_PAD_TOP,
216 				   0xff00, 0x3800);
217 		regmap_update_bits(priv->regmap,
218 				   MT6358_AFE_AUD_PAD_TOP,
219 				   0xff00, 0x3900);
220 		break;
221 	case MT6358_MTKAIF_PROTOCOL_2:
222 		/* MTKAIF TX format setting */
223 		regmap_update_bits(priv->regmap,
224 				   MT6358_AFE_ADDA_MTKAIF_CFG0,
225 				   0xffff, 0x0010);
226 		/* enable aud_pad TX fifos */
227 		regmap_update_bits(priv->regmap,
228 				   MT6358_AFE_AUD_PAD_TOP,
229 				   0xff00, 0x3100);
230 		break;
231 	case MT6358_MTKAIF_PROTOCOL_1:
232 	default:
233 		/* MTKAIF TX format setting */
234 		regmap_update_bits(priv->regmap,
235 				   MT6358_AFE_ADDA_MTKAIF_CFG0,
236 				   0xffff, 0x0000);
237 		/* enable aud_pad TX fifos */
238 		regmap_update_bits(priv->regmap,
239 				   MT6358_AFE_AUD_PAD_TOP,
240 				   0xff00, 0x3100);
241 		break;
242 	}
243 	return 0;
244 }
245 
246 static int mt6358_mtkaif_tx_disable(struct mt6358_priv *priv)
247 {
248 	/* disable aud_pad TX fifos */
249 	regmap_update_bits(priv->regmap, MT6358_AFE_AUD_PAD_TOP,
250 			   0xff00, 0x3000);
251 	return 0;
252 }
253 
254 int mt6358_mtkaif_calibration_enable(struct snd_soc_component *cmpnt)
255 {
256 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
257 
258 	playback_gpio_set(priv);
259 	capture_gpio_set(priv);
260 	mt6358_mtkaif_tx_enable(priv);
261 
262 	mt6358_set_dcxo(priv, true);
263 	mt6358_set_aud_global_bias(priv, true);
264 	mt6358_set_clksq(priv, true);
265 	mt6358_set_topck(priv, true);
266 
267 	/* set dat_miso_loopback on */
268 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
269 			   RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
270 			   1 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
271 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
272 			   RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
273 			   1 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
274 	return 0;
275 }
276 
277 int mt6358_mtkaif_calibration_disable(struct snd_soc_component *cmpnt)
278 {
279 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
280 
281 	/* set dat_miso_loopback off */
282 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
283 			   RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
284 			   0 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
285 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
286 			   RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
287 			   0 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
288 
289 	mt6358_set_topck(priv, false);
290 	mt6358_set_clksq(priv, false);
291 	mt6358_set_aud_global_bias(priv, false);
292 	mt6358_set_dcxo(priv, false);
293 
294 	mt6358_mtkaif_tx_disable(priv);
295 	playback_gpio_reset(priv);
296 	capture_gpio_reset(priv);
297 	return 0;
298 }
299 
300 int mt6358_set_mtkaif_calibration_phase(struct snd_soc_component *cmpnt,
301 					int phase_1, int phase_2)
302 {
303 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
304 
305 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
306 			   RG_AUD_PAD_TOP_PHASE_MODE_MASK_SFT,
307 			   phase_1 << RG_AUD_PAD_TOP_PHASE_MODE_SFT);
308 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
309 			   RG_AUD_PAD_TOP_PHASE_MODE2_MASK_SFT,
310 			   phase_2 << RG_AUD_PAD_TOP_PHASE_MODE2_SFT);
311 	return 0;
312 }
313 
314 /* dl pga gain */
315 enum {
316 	DL_GAIN_8DB = 0,
317 	DL_GAIN_0DB = 8,
318 	DL_GAIN_N_1DB = 9,
319 	DL_GAIN_N_10DB = 18,
320 	DL_GAIN_N_40DB = 0x1f,
321 };
322 
323 #define DL_GAIN_N_10DB_REG (DL_GAIN_N_10DB << 7 | DL_GAIN_N_10DB)
324 #define DL_GAIN_N_40DB_REG (DL_GAIN_N_40DB << 7 | DL_GAIN_N_40DB)
325 #define DL_GAIN_REG_MASK 0x0f9f
326 
327 static void hp_zcd_disable(struct mt6358_priv *priv)
328 {
329 	regmap_write(priv->regmap, MT6358_ZCD_CON0, 0x0000);
330 }
331 
332 static void hp_main_output_ramp(struct mt6358_priv *priv, bool up)
333 {
334 	int i = 0, stage = 0;
335 	int target = 7;
336 
337 	/* Enable/Reduce HPL/R main output stage step by step */
338 	for (i = 0; i <= target; i++) {
339 		stage = up ? i : target - i;
340 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
341 				   0x7 << 8, stage << 8);
342 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
343 				   0x7 << 11, stage << 11);
344 		usleep_range(100, 150);
345 	}
346 }
347 
348 static void hp_aux_feedback_loop_gain_ramp(struct mt6358_priv *priv, bool up)
349 {
350 	int i = 0, stage = 0;
351 
352 	/* Reduce HP aux feedback loop gain step by step */
353 	for (i = 0; i <= 0xf; i++) {
354 		stage = up ? i : 0xf - i;
355 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
356 				   0xf << 12, stage << 12);
357 		usleep_range(100, 150);
358 	}
359 }
360 
361 static void hp_pull_down(struct mt6358_priv *priv, bool enable)
362 {
363 	int i;
364 
365 	if (enable) {
366 		for (i = 0x0; i <= 0x6; i++) {
367 			regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
368 					   0x7, i);
369 			usleep_range(600, 700);
370 		}
371 	} else {
372 		for (i = 0x6; i >= 0x1; i--) {
373 			regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
374 					   0x7, i);
375 			usleep_range(600, 700);
376 		}
377 	}
378 }
379 
380 static bool is_valid_hp_pga_idx(int reg_idx)
381 {
382 	return (reg_idx >= DL_GAIN_8DB && reg_idx <= DL_GAIN_N_10DB) ||
383 	       reg_idx == DL_GAIN_N_40DB;
384 }
385 
386 static void headset_volume_ramp(struct mt6358_priv *priv, int from, int to)
387 {
388 	int offset = 0, count = 0, reg_idx;
389 
390 	if (!is_valid_hp_pga_idx(from) || !is_valid_hp_pga_idx(to))
391 		dev_warn(priv->dev, "%s(), volume index is not valid, from %d, to %d\n",
392 			 __func__, from, to);
393 
394 	dev_info(priv->dev, "%s(), from %d, to %d\n",
395 		 __func__, from, to);
396 
397 	if (to > from)
398 		offset = to - from;
399 	else
400 		offset = from - to;
401 
402 	while (offset >= 0) {
403 		if (to > from)
404 			reg_idx = from + count;
405 		else
406 			reg_idx = from - count;
407 
408 		if (is_valid_hp_pga_idx(reg_idx)) {
409 			regmap_update_bits(priv->regmap,
410 					   MT6358_ZCD_CON2,
411 					   DL_GAIN_REG_MASK,
412 					   (reg_idx << 7) | reg_idx);
413 			usleep_range(200, 300);
414 		}
415 		offset--;
416 		count++;
417 	}
418 }
419 
420 static int mt6358_put_volsw(struct snd_kcontrol *kcontrol,
421 			    struct snd_ctl_elem_value *ucontrol)
422 {
423 	struct snd_soc_component *component =
424 			snd_soc_kcontrol_component(kcontrol);
425 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(component);
426 	struct soc_mixer_control *mc =
427 			(struct soc_mixer_control *)kcontrol->private_value;
428 	unsigned int reg;
429 	int ret;
430 
431 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
432 	if (ret < 0)
433 		return ret;
434 
435 	switch (mc->reg) {
436 	case MT6358_ZCD_CON2:
437 		regmap_read(priv->regmap, MT6358_ZCD_CON2, &reg);
438 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL] =
439 			(reg >> RG_AUDHPLGAIN_SFT) & RG_AUDHPLGAIN_MASK;
440 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTR] =
441 			(reg >> RG_AUDHPRGAIN_SFT) & RG_AUDHPRGAIN_MASK;
442 		break;
443 	case MT6358_ZCD_CON1:
444 		regmap_read(priv->regmap, MT6358_ZCD_CON1, &reg);
445 		priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTL] =
446 			(reg >> RG_AUDLOLGAIN_SFT) & RG_AUDLOLGAIN_MASK;
447 		priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTR] =
448 			(reg >> RG_AUDLORGAIN_SFT) & RG_AUDLORGAIN_MASK;
449 		break;
450 	case MT6358_ZCD_CON3:
451 		regmap_read(priv->regmap, MT6358_ZCD_CON3, &reg);
452 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTL] =
453 			(reg >> RG_AUDHSGAIN_SFT) & RG_AUDHSGAIN_MASK;
454 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTR] =
455 			(reg >> RG_AUDHSGAIN_SFT) & RG_AUDHSGAIN_MASK;
456 		break;
457 	case MT6358_AUDENC_ANA_CON0:
458 	case MT6358_AUDENC_ANA_CON1:
459 		regmap_read(priv->regmap, MT6358_AUDENC_ANA_CON0, &reg);
460 		priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP1] =
461 			(reg >> RG_AUDPREAMPLGAIN_SFT) & RG_AUDPREAMPLGAIN_MASK;
462 		regmap_read(priv->regmap, MT6358_AUDENC_ANA_CON1, &reg);
463 		priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP2] =
464 			(reg >> RG_AUDPREAMPRGAIN_SFT) & RG_AUDPREAMPRGAIN_MASK;
465 		break;
466 	}
467 
468 	return ret;
469 }
470 
471 static void mt6358_restore_pga(struct mt6358_priv *priv);
472 
473 static int mt6358_enable_wov_phase2(struct mt6358_priv *priv)
474 {
475 	/* analog */
476 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
477 			   0xffff, 0x0000);
478 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
479 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
480 			   0xffff, 0x0800);
481 	mt6358_restore_pga(priv);
482 
483 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9929);
484 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
485 			   0xffff, 0x0025);
486 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
487 			   0xffff, 0x0005);
488 
489 	/* digital */
490 	regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
491 			   0xffff, 0x0000);
492 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x0120);
493 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0xffff);
494 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0200);
495 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2424);
496 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xdbac);
497 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x029e);
498 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0000);
499 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
500 			   0xffff, 0x0000);
501 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
502 			   0xffff, 0x0451);
503 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0x68d1);
504 
505 	return 0;
506 }
507 
508 static int mt6358_disable_wov_phase2(struct mt6358_priv *priv)
509 {
510 	/* digital */
511 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0xc000);
512 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
513 			   0xffff, 0x0450);
514 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
515 			   0xffff, 0x0c00);
516 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0100);
517 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x006c);
518 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xa879);
519 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2323);
520 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0400);
521 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0x0000);
522 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x02d8);
523 	regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
524 			   0xffff, 0x0000);
525 
526 	/* analog */
527 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
528 			   0xffff, 0x0004);
529 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
530 			   0xffff, 0x0000);
531 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9829);
532 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
533 			   0xffff, 0x0000);
534 	mt6358_restore_pga(priv);
535 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
536 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
537 			   0xffff, 0x0010);
538 
539 	return 0;
540 }
541 
542 static int mt6358_get_wov(struct snd_kcontrol *kcontrol,
543 			  struct snd_ctl_elem_value *ucontrol)
544 {
545 	struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
546 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
547 
548 	ucontrol->value.integer.value[0] = priv->wov_enabled;
549 	return 0;
550 }
551 
552 static int mt6358_put_wov(struct snd_kcontrol *kcontrol,
553 			  struct snd_ctl_elem_value *ucontrol)
554 {
555 	struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
556 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
557 	int enabled = ucontrol->value.integer.value[0];
558 
559 	if (priv->wov_enabled != enabled) {
560 		if (enabled)
561 			mt6358_enable_wov_phase2(priv);
562 		else
563 			mt6358_disable_wov_phase2(priv);
564 
565 		priv->wov_enabled = enabled;
566 	}
567 
568 	return 0;
569 }
570 
571 static const DECLARE_TLV_DB_SCALE(playback_tlv, -1000, 100, 0);
572 static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 600, 0);
573 
574 static const struct snd_kcontrol_new mt6358_snd_controls[] = {
575 	/* dl pga gain */
576 	SOC_DOUBLE_EXT_TLV("Headphone Volume",
577 			   MT6358_ZCD_CON2, 0, 7, 0x12, 1,
578 			   snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
579 	SOC_DOUBLE_EXT_TLV("Lineout Volume",
580 			   MT6358_ZCD_CON1, 0, 7, 0x12, 1,
581 			   snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
582 	SOC_SINGLE_EXT_TLV("Handset Volume",
583 			   MT6358_ZCD_CON3, 0, 0x12, 1,
584 			   snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
585 	/* ul pga gain */
586 	SOC_DOUBLE_R_EXT_TLV("PGA Volume",
587 			     MT6358_AUDENC_ANA_CON0, MT6358_AUDENC_ANA_CON1,
588 			     8, 4, 0,
589 			     snd_soc_get_volsw, mt6358_put_volsw, pga_tlv),
590 
591 	SOC_SINGLE_BOOL_EXT("Wake-on-Voice Phase2 Switch", 0,
592 			    mt6358_get_wov, mt6358_put_wov),
593 };
594 
595 /* MUX */
596 /* LOL MUX */
597 static const char * const lo_in_mux_map[] = {
598 	"Open", "Mute", "Playback", "Test Mode"
599 };
600 
601 static int lo_in_mux_map_value[] = {
602 	0x0, 0x1, 0x2, 0x3,
603 };
604 
605 static SOC_VALUE_ENUM_SINGLE_DECL(lo_in_mux_map_enum,
606 				  MT6358_AUDDEC_ANA_CON7,
607 				  RG_AUDLOLMUXINPUTSEL_VAUDP15_SFT,
608 				  RG_AUDLOLMUXINPUTSEL_VAUDP15_MASK,
609 				  lo_in_mux_map,
610 				  lo_in_mux_map_value);
611 
612 static const struct snd_kcontrol_new lo_in_mux_control =
613 	SOC_DAPM_ENUM("In Select", lo_in_mux_map_enum);
614 
615 /*HP MUX */
616 enum {
617 	HP_MUX_OPEN = 0,
618 	HP_MUX_HPSPK,
619 	HP_MUX_HP,
620 	HP_MUX_TEST_MODE,
621 	HP_MUX_HP_IMPEDANCE,
622 	HP_MUX_MASK = 0x7,
623 };
624 
625 static const char * const hp_in_mux_map[] = {
626 	"Open",
627 	"LoudSPK Playback",
628 	"Audio Playback",
629 	"Test Mode",
630 	"HP Impedance",
631 	"undefined1",
632 	"undefined2",
633 	"undefined3",
634 };
635 
636 static int hp_in_mux_map_value[] = {
637 	HP_MUX_OPEN,
638 	HP_MUX_HPSPK,
639 	HP_MUX_HP,
640 	HP_MUX_TEST_MODE,
641 	HP_MUX_HP_IMPEDANCE,
642 	HP_MUX_OPEN,
643 	HP_MUX_OPEN,
644 	HP_MUX_OPEN,
645 };
646 
647 static SOC_VALUE_ENUM_SINGLE_DECL(hpl_in_mux_map_enum,
648 				  SND_SOC_NOPM,
649 				  0,
650 				  HP_MUX_MASK,
651 				  hp_in_mux_map,
652 				  hp_in_mux_map_value);
653 
654 static const struct snd_kcontrol_new hpl_in_mux_control =
655 	SOC_DAPM_ENUM("HPL Select", hpl_in_mux_map_enum);
656 
657 static SOC_VALUE_ENUM_SINGLE_DECL(hpr_in_mux_map_enum,
658 				  SND_SOC_NOPM,
659 				  0,
660 				  HP_MUX_MASK,
661 				  hp_in_mux_map,
662 				  hp_in_mux_map_value);
663 
664 static const struct snd_kcontrol_new hpr_in_mux_control =
665 	SOC_DAPM_ENUM("HPR Select", hpr_in_mux_map_enum);
666 
667 /* RCV MUX */
668 enum {
669 	RCV_MUX_OPEN = 0,
670 	RCV_MUX_MUTE,
671 	RCV_MUX_VOICE_PLAYBACK,
672 	RCV_MUX_TEST_MODE,
673 	RCV_MUX_MASK = 0x3,
674 };
675 
676 static const char * const rcv_in_mux_map[] = {
677 	"Open", "Mute", "Voice Playback", "Test Mode"
678 };
679 
680 static int rcv_in_mux_map_value[] = {
681 	RCV_MUX_OPEN,
682 	RCV_MUX_MUTE,
683 	RCV_MUX_VOICE_PLAYBACK,
684 	RCV_MUX_TEST_MODE,
685 };
686 
687 static SOC_VALUE_ENUM_SINGLE_DECL(rcv_in_mux_map_enum,
688 				  SND_SOC_NOPM,
689 				  0,
690 				  RCV_MUX_MASK,
691 				  rcv_in_mux_map,
692 				  rcv_in_mux_map_value);
693 
694 static const struct snd_kcontrol_new rcv_in_mux_control =
695 	SOC_DAPM_ENUM("RCV Select", rcv_in_mux_map_enum);
696 
697 /* DAC In MUX */
698 static const char * const dac_in_mux_map[] = {
699 	"Normal Path", "Sgen"
700 };
701 
702 static int dac_in_mux_map_value[] = {
703 	0x0, 0x1,
704 };
705 
706 static SOC_VALUE_ENUM_SINGLE_DECL(dac_in_mux_map_enum,
707 				  MT6358_AFE_TOP_CON0,
708 				  DL_SINE_ON_SFT,
709 				  DL_SINE_ON_MASK,
710 				  dac_in_mux_map,
711 				  dac_in_mux_map_value);
712 
713 static const struct snd_kcontrol_new dac_in_mux_control =
714 	SOC_DAPM_ENUM("DAC Select", dac_in_mux_map_enum);
715 
716 /* AIF Out MUX */
717 static SOC_VALUE_ENUM_SINGLE_DECL(aif_out_mux_map_enum,
718 				  MT6358_AFE_TOP_CON0,
719 				  UL_SINE_ON_SFT,
720 				  UL_SINE_ON_MASK,
721 				  dac_in_mux_map,
722 				  dac_in_mux_map_value);
723 
724 static const struct snd_kcontrol_new aif_out_mux_control =
725 	SOC_DAPM_ENUM("AIF Out Select", aif_out_mux_map_enum);
726 
727 /* Mic Type MUX */
728 enum {
729 	MIC_TYPE_MUX_IDLE = 0,
730 	MIC_TYPE_MUX_ACC,
731 	MIC_TYPE_MUX_DMIC,
732 	MIC_TYPE_MUX_DCC,
733 	MIC_TYPE_MUX_DCC_ECM_DIFF,
734 	MIC_TYPE_MUX_DCC_ECM_SINGLE,
735 	MIC_TYPE_MUX_MASK = 0x7,
736 };
737 
738 #define IS_DCC_BASE(type) ((type) == MIC_TYPE_MUX_DCC || \
739 			(type) == MIC_TYPE_MUX_DCC_ECM_DIFF || \
740 			(type) == MIC_TYPE_MUX_DCC_ECM_SINGLE)
741 
742 static const char * const mic_type_mux_map[] = {
743 	"Idle",
744 	"ACC",
745 	"DMIC",
746 	"DCC",
747 	"DCC_ECM_DIFF",
748 	"DCC_ECM_SINGLE",
749 };
750 
751 static int mic_type_mux_map_value[] = {
752 	MIC_TYPE_MUX_IDLE,
753 	MIC_TYPE_MUX_ACC,
754 	MIC_TYPE_MUX_DMIC,
755 	MIC_TYPE_MUX_DCC,
756 	MIC_TYPE_MUX_DCC_ECM_DIFF,
757 	MIC_TYPE_MUX_DCC_ECM_SINGLE,
758 };
759 
760 static SOC_VALUE_ENUM_SINGLE_DECL(mic_type_mux_map_enum,
761 				  SND_SOC_NOPM,
762 				  0,
763 				  MIC_TYPE_MUX_MASK,
764 				  mic_type_mux_map,
765 				  mic_type_mux_map_value);
766 
767 static const struct snd_kcontrol_new mic_type_mux_control =
768 	SOC_DAPM_ENUM("Mic Type Select", mic_type_mux_map_enum);
769 
770 /* ADC L MUX */
771 enum {
772 	ADC_MUX_IDLE = 0,
773 	ADC_MUX_AIN0,
774 	ADC_MUX_PREAMPLIFIER,
775 	ADC_MUX_IDLE1,
776 	ADC_MUX_MASK = 0x3,
777 };
778 
779 static const char * const adc_left_mux_map[] = {
780 	"Idle", "AIN0", "Left Preamplifier", "Idle_1"
781 };
782 
783 static int adc_mux_map_value[] = {
784 	ADC_MUX_IDLE,
785 	ADC_MUX_AIN0,
786 	ADC_MUX_PREAMPLIFIER,
787 	ADC_MUX_IDLE1,
788 };
789 
790 static SOC_VALUE_ENUM_SINGLE_DECL(adc_left_mux_map_enum,
791 				  SND_SOC_NOPM,
792 				  0,
793 				  ADC_MUX_MASK,
794 				  adc_left_mux_map,
795 				  adc_mux_map_value);
796 
797 static const struct snd_kcontrol_new adc_left_mux_control =
798 	SOC_DAPM_ENUM("ADC L Select", adc_left_mux_map_enum);
799 
800 /* ADC R MUX */
801 static const char * const adc_right_mux_map[] = {
802 	"Idle", "AIN0", "Right Preamplifier", "Idle_1"
803 };
804 
805 static SOC_VALUE_ENUM_SINGLE_DECL(adc_right_mux_map_enum,
806 				  SND_SOC_NOPM,
807 				  0,
808 				  ADC_MUX_MASK,
809 				  adc_right_mux_map,
810 				  adc_mux_map_value);
811 
812 static const struct snd_kcontrol_new adc_right_mux_control =
813 	SOC_DAPM_ENUM("ADC R Select", adc_right_mux_map_enum);
814 
815 /* PGA L MUX */
816 enum {
817 	PGA_MUX_NONE = 0,
818 	PGA_MUX_AIN0,
819 	PGA_MUX_AIN1,
820 	PGA_MUX_AIN2,
821 	PGA_MUX_MASK = 0x3,
822 };
823 
824 static const char * const pga_mux_map[] = {
825 	"None", "AIN0", "AIN1", "AIN2"
826 };
827 
828 static int pga_mux_map_value[] = {
829 	PGA_MUX_NONE,
830 	PGA_MUX_AIN0,
831 	PGA_MUX_AIN1,
832 	PGA_MUX_AIN2,
833 };
834 
835 static SOC_VALUE_ENUM_SINGLE_DECL(pga_left_mux_map_enum,
836 				  SND_SOC_NOPM,
837 				  0,
838 				  PGA_MUX_MASK,
839 				  pga_mux_map,
840 				  pga_mux_map_value);
841 
842 static const struct snd_kcontrol_new pga_left_mux_control =
843 	SOC_DAPM_ENUM("PGA L Select", pga_left_mux_map_enum);
844 
845 /* PGA R MUX */
846 static SOC_VALUE_ENUM_SINGLE_DECL(pga_right_mux_map_enum,
847 				  SND_SOC_NOPM,
848 				  0,
849 				  PGA_MUX_MASK,
850 				  pga_mux_map,
851 				  pga_mux_map_value);
852 
853 static const struct snd_kcontrol_new pga_right_mux_control =
854 	SOC_DAPM_ENUM("PGA R Select", pga_right_mux_map_enum);
855 
856 static int mt_clksq_event(struct snd_soc_dapm_widget *w,
857 			  struct snd_kcontrol *kcontrol,
858 			  int event)
859 {
860 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
861 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
862 
863 	dev_dbg(priv->dev, "%s(), event = 0x%x\n", __func__, event);
864 
865 	switch (event) {
866 	case SND_SOC_DAPM_PRE_PMU:
867 		/* audio clk source from internal dcxo */
868 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
869 				   RG_CLKSQ_IN_SEL_TEST_MASK_SFT,
870 				   0x0);
871 		break;
872 	default:
873 		break;
874 	}
875 
876 	return 0;
877 }
878 
879 static int mt_sgen_event(struct snd_soc_dapm_widget *w,
880 			 struct snd_kcontrol *kcontrol,
881 			 int event)
882 {
883 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
884 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
885 
886 	dev_dbg(priv->dev, "%s(), event = 0x%x\n", __func__, event);
887 
888 	switch (event) {
889 	case SND_SOC_DAPM_PRE_PMU:
890 		/* sdm audio fifo clock power on */
891 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0006);
892 		/* scrambler clock on enable */
893 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xCBA1);
894 		/* sdm power on */
895 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0003);
896 		/* sdm fifo enable */
897 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x000B);
898 
899 		regmap_update_bits(priv->regmap, MT6358_AFE_SGEN_CFG0,
900 				   0xff3f,
901 				   0x0000);
902 		regmap_update_bits(priv->regmap, MT6358_AFE_SGEN_CFG1,
903 				   0xffff,
904 				   0x0001);
905 		break;
906 	case SND_SOC_DAPM_POST_PMD:
907 		/* DL scrambler disabling sequence */
908 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0000);
909 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xcba0);
910 		break;
911 	default:
912 		break;
913 	}
914 
915 	return 0;
916 }
917 
918 static int mt_aif_in_event(struct snd_soc_dapm_widget *w,
919 			   struct snd_kcontrol *kcontrol,
920 			   int event)
921 {
922 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
923 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
924 
925 	dev_info(priv->dev, "%s(), event 0x%x, rate %d\n",
926 		 __func__, event, priv->dl_rate);
927 
928 	switch (event) {
929 	case SND_SOC_DAPM_PRE_PMU:
930 		playback_gpio_set(priv);
931 
932 		/* sdm audio fifo clock power on */
933 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0006);
934 		/* scrambler clock on enable */
935 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xCBA1);
936 		/* sdm power on */
937 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0003);
938 		/* sdm fifo enable */
939 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x000B);
940 		break;
941 	case SND_SOC_DAPM_POST_PMD:
942 		/* DL scrambler disabling sequence */
943 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0000);
944 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xcba0);
945 
946 		playback_gpio_reset(priv);
947 		break;
948 	default:
949 		break;
950 	}
951 
952 	return 0;
953 }
954 
955 static int mtk_hp_enable(struct mt6358_priv *priv)
956 {
957 	/* Pull-down HPL/R to AVSS28_AUD */
958 	hp_pull_down(priv, true);
959 	/* release HP CMFB gate rstb */
960 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
961 			   0x1 << 6, 0x1 << 6);
962 
963 	/* Reduce ESD resistance of AU_REFN */
964 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
965 
966 	/* Set HPR/HPL gain as minimum (~ -40dB) */
967 	regmap_write(priv->regmap, MT6358_ZCD_CON2, DL_GAIN_N_40DB_REG);
968 
969 	/* Turn on DA_600K_NCP_VA18 */
970 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
971 	/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
972 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
973 	/* Toggle RG_DIVCKS_CHG */
974 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
975 	/* Set NCP soft start mode as default mode: 100us */
976 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
977 	/* Enable NCP */
978 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
979 	usleep_range(250, 270);
980 
981 	/* Enable cap-less LDOs (1.5V) */
982 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
983 			   0x1055, 0x1055);
984 	/* Enable NV regulator (-1.2V) */
985 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
986 	usleep_range(100, 120);
987 
988 	/* Disable AUD_ZCD */
989 	hp_zcd_disable(priv);
990 
991 	/* Disable headphone short-circuit protection */
992 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3000);
993 
994 	/* Enable IBIST */
995 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
996 
997 	/* Set HP DR bias current optimization, 010: 6uA */
998 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
999 	/* Set HP & ZCD bias current optimization */
1000 	/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
1001 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1002 	/* Set HPP/N STB enhance circuits */
1003 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4033);
1004 
1005 	/* Enable HP aux output stage */
1006 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x000c);
1007 	/* Enable HP aux feedback loop */
1008 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x003c);
1009 	/* Enable HP aux CMFB loop */
1010 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0c00);
1011 	/* Enable HP driver bias circuits */
1012 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30c0);
1013 	/* Enable HP driver core circuits */
1014 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30f0);
1015 	/* Short HP main output to HP aux output stage */
1016 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x00fc);
1017 
1018 	/* Enable HP main CMFB loop */
1019 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0e00);
1020 	/* Disable HP aux CMFB loop */
1021 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0200);
1022 
1023 	/* Select CMFB resistor bulk to AC mode */
1024 	/* Selec HS/LO cap size (6.5pF default) */
1025 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON10, 0x0000);
1026 
1027 	/* Enable HP main output stage */
1028 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x00ff);
1029 	/* Enable HPR/L main output stage step by step */
1030 	hp_main_output_ramp(priv, true);
1031 
1032 	/* Reduce HP aux feedback loop gain */
1033 	hp_aux_feedback_loop_gain_ramp(priv, true);
1034 	/* Disable HP aux feedback loop */
1035 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fcf);
1036 
1037 	/* apply volume setting */
1038 	headset_volume_ramp(priv,
1039 			    DL_GAIN_N_10DB,
1040 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL]);
1041 
1042 	/* Disable HP aux output stage */
1043 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fc3);
1044 	/* Unshort HP main output to HP aux output stage */
1045 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3f03);
1046 	usleep_range(100, 120);
1047 
1048 	/* Enable AUD_CLK */
1049 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x1);
1050 	/* Enable Audio DAC  */
1051 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30ff);
1052 	/* Enable low-noise mode of DAC */
1053 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0xf201);
1054 	usleep_range(100, 120);
1055 
1056 	/* Switch HPL MUX to audio DAC */
1057 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x32ff);
1058 	/* Switch HPR MUX to audio DAC */
1059 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3aff);
1060 
1061 	/* Disable Pull-down HPL/R to AVSS28_AUD */
1062 	hp_pull_down(priv, false);
1063 
1064 	return 0;
1065 }
1066 
1067 static int mtk_hp_disable(struct mt6358_priv *priv)
1068 {
1069 	/* Pull-down HPL/R to AVSS28_AUD */
1070 	hp_pull_down(priv, true);
1071 
1072 	/* HPR/HPL mux to open */
1073 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1074 			   0x0f00, 0x0000);
1075 
1076 	/* Disable low-noise mode of DAC */
1077 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1078 			   0x0001, 0x0000);
1079 
1080 	/* Disable Audio DAC */
1081 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1082 			   0x000f, 0x0000);
1083 
1084 	/* Disable AUD_CLK */
1085 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x0);
1086 
1087 	/* Short HP main output to HP aux output stage */
1088 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fc3);
1089 	/* Enable HP aux output stage */
1090 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fcf);
1091 
1092 	/* decrease HPL/R gain to normal gain step by step */
1093 	headset_volume_ramp(priv,
1094 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL],
1095 			    DL_GAIN_N_40DB);
1096 
1097 	/* Enable HP aux feedback loop */
1098 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fff);
1099 
1100 	/* Reduce HP aux feedback loop gain */
1101 	hp_aux_feedback_loop_gain_ramp(priv, false);
1102 
1103 	/* decrease HPR/L main output stage step by step */
1104 	hp_main_output_ramp(priv, false);
1105 
1106 	/* Disable HP main output stage */
1107 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3, 0x0);
1108 
1109 	/* Enable HP aux CMFB loop */
1110 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0e00);
1111 
1112 	/* Disable HP main CMFB loop */
1113 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0c00);
1114 
1115 	/* Unshort HP main output to HP aux output stage */
1116 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
1117 			   0x3 << 6, 0x0);
1118 
1119 	/* Disable HP driver core circuits */
1120 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1121 			   0x3 << 4, 0x0);
1122 
1123 	/* Disable HP driver bias circuits */
1124 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1125 			   0x3 << 6, 0x0);
1126 
1127 	/* Disable HP aux CMFB loop */
1128 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0000);
1129 
1130 	/* Disable HP aux feedback loop */
1131 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
1132 			   0x3 << 4, 0x0);
1133 
1134 	/* Disable HP aux output stage */
1135 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
1136 			   0x3 << 2, 0x0);
1137 
1138 	/* Disable IBIST */
1139 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON12,
1140 			   0x1 << 8, 0x1 << 8);
1141 
1142 	/* Disable NV regulator (-1.2V) */
1143 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x1, 0x0);
1144 	/* Disable cap-less LDOs (1.5V) */
1145 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1146 			   0x1055, 0x0);
1147 	/* Disable NCP */
1148 	regmap_update_bits(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3,
1149 			   0x1, 0x1);
1150 
1151 	/* Increase ESD resistance of AU_REFN */
1152 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON2,
1153 			   0x1 << 14, 0x0);
1154 
1155 	/* Set HP CMFB gate rstb */
1156 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
1157 			   0x1 << 6, 0x0);
1158 	/* disable Pull-down HPL/R to AVSS28_AUD */
1159 	hp_pull_down(priv, false);
1160 
1161 	return 0;
1162 }
1163 
1164 static int mtk_hp_spk_enable(struct mt6358_priv *priv)
1165 {
1166 	/* Pull-down HPL/R to AVSS28_AUD */
1167 	hp_pull_down(priv, true);
1168 	/* release HP CMFB gate rstb */
1169 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
1170 			   0x1 << 6, 0x1 << 6);
1171 
1172 	/* Reduce ESD resistance of AU_REFN */
1173 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
1174 
1175 	/* Set HPR/HPL gain to -10dB */
1176 	regmap_write(priv->regmap, MT6358_ZCD_CON2, DL_GAIN_N_10DB_REG);
1177 
1178 	/* Turn on DA_600K_NCP_VA18 */
1179 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
1180 	/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
1181 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
1182 	/* Toggle RG_DIVCKS_CHG */
1183 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
1184 	/* Set NCP soft start mode as default mode: 100us */
1185 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
1186 	/* Enable NCP */
1187 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
1188 	usleep_range(250, 270);
1189 
1190 	/* Enable cap-less LDOs (1.5V) */
1191 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1192 			   0x1055, 0x1055);
1193 	/* Enable NV regulator (-1.2V) */
1194 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
1195 	usleep_range(100, 120);
1196 
1197 	/* Disable AUD_ZCD */
1198 	hp_zcd_disable(priv);
1199 
1200 	/* Disable headphone short-circuit protection */
1201 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3000);
1202 
1203 	/* Enable IBIST */
1204 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1205 
1206 	/* Set HP DR bias current optimization, 010: 6uA */
1207 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
1208 	/* Set HP & ZCD bias current optimization */
1209 	/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
1210 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1211 	/* Set HPP/N STB enhance circuits */
1212 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4033);
1213 
1214 	/* Disable Pull-down HPL/R to AVSS28_AUD */
1215 	hp_pull_down(priv, false);
1216 
1217 	/* Enable HP driver bias circuits */
1218 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30c0);
1219 	/* Enable HP driver core circuits */
1220 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30f0);
1221 	/* Enable HP main CMFB loop */
1222 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0200);
1223 
1224 	/* Select CMFB resistor bulk to AC mode */
1225 	/* Selec HS/LO cap size (6.5pF default) */
1226 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON10, 0x0000);
1227 
1228 	/* Enable HP main output stage */
1229 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x0003);
1230 	/* Enable HPR/L main output stage step by step */
1231 	hp_main_output_ramp(priv, true);
1232 
1233 	/* Set LO gain as minimum (~ -40dB) */
1234 	regmap_write(priv->regmap, MT6358_ZCD_CON1, DL_GAIN_N_40DB_REG);
1235 	/* apply volume setting */
1236 	headset_volume_ramp(priv,
1237 			    DL_GAIN_N_10DB,
1238 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL]);
1239 
1240 	/* Set LO STB enhance circuits */
1241 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x0110);
1242 	/* Enable LO driver bias circuits */
1243 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x0112);
1244 	/* Enable LO driver core circuits */
1245 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x0113);
1246 
1247 	/* Set LOL gain to normal gain step by step */
1248 	regmap_update_bits(priv->regmap, MT6358_ZCD_CON1,
1249 			   RG_AUDLOLGAIN_MASK_SFT,
1250 			   priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTL] <<
1251 			   RG_AUDLOLGAIN_SFT);
1252 	regmap_update_bits(priv->regmap, MT6358_ZCD_CON1,
1253 			   RG_AUDLORGAIN_MASK_SFT,
1254 			   priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTR] <<
1255 			   RG_AUDLORGAIN_SFT);
1256 
1257 	/* Enable AUD_CLK */
1258 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x1);
1259 	/* Enable Audio DAC  */
1260 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30f9);
1261 	/* Enable low-noise mode of DAC */
1262 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0201);
1263 	/* Switch LOL MUX to audio DAC */
1264 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x011b);
1265 	/* Switch HPL/R MUX to Line-out */
1266 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x35f9);
1267 
1268 	return 0;
1269 }
1270 
1271 static int mtk_hp_spk_disable(struct mt6358_priv *priv)
1272 {
1273 	/* HPR/HPL mux to open */
1274 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1275 			   0x0f00, 0x0000);
1276 	/* LOL mux to open */
1277 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
1278 			   0x3 << 2, 0x0000);
1279 
1280 	/* Disable Audio DAC */
1281 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1282 			   0x000f, 0x0000);
1283 
1284 	/* Disable AUD_CLK */
1285 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x0);
1286 
1287 	/* decrease HPL/R gain to normal gain step by step */
1288 	headset_volume_ramp(priv,
1289 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL],
1290 			    DL_GAIN_N_40DB);
1291 
1292 	/* decrease LOL gain to minimum gain step by step */
1293 	regmap_update_bits(priv->regmap, MT6358_ZCD_CON1,
1294 			   DL_GAIN_REG_MASK, DL_GAIN_N_40DB_REG);
1295 
1296 	/* decrease HPR/L main output stage step by step */
1297 	hp_main_output_ramp(priv, false);
1298 
1299 	/* Disable HP main output stage */
1300 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3, 0x0);
1301 
1302 	/* Short HP main output to HP aux output stage */
1303 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fc3);
1304 	/* Enable HP aux output stage */
1305 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fcf);
1306 
1307 	/* Enable HP aux feedback loop */
1308 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fff);
1309 
1310 	/* Reduce HP aux feedback loop gain */
1311 	hp_aux_feedback_loop_gain_ramp(priv, false);
1312 
1313 	/* Disable HP driver core circuits */
1314 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1315 			   0x3 << 4, 0x0);
1316 	/* Disable LO driver core circuits */
1317 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
1318 			   0x1, 0x0);
1319 
1320 	/* Disable HP driver bias circuits */
1321 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1322 			   0x3 << 6, 0x0);
1323 	/* Disable LO driver bias circuits */
1324 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
1325 			   0x1 << 1, 0x0);
1326 
1327 	/* Disable HP aux CMFB loop */
1328 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1329 			   0xff << 8, 0x0000);
1330 
1331 	/* Disable IBIST */
1332 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON12,
1333 			   0x1 << 8, 0x1 << 8);
1334 	/* Disable NV regulator (-1.2V) */
1335 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x1, 0x0);
1336 	/* Disable cap-less LDOs (1.5V) */
1337 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14, 0x1055, 0x0);
1338 	/* Disable NCP */
1339 	regmap_update_bits(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x1, 0x1);
1340 
1341 	/* Set HP CMFB gate rstb */
1342 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
1343 			   0x1 << 6, 0x0);
1344 	/* disable Pull-down HPL/R to AVSS28_AUD */
1345 	hp_pull_down(priv, false);
1346 
1347 	return 0;
1348 }
1349 
1350 static int mt_hp_event(struct snd_soc_dapm_widget *w,
1351 		       struct snd_kcontrol *kcontrol,
1352 		       int event)
1353 {
1354 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1355 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1356 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1357 	int device = DEVICE_HP;
1358 
1359 	dev_info(priv->dev, "%s(), event 0x%x, dev_counter[DEV_HP] %d, mux %u\n",
1360 		 __func__,
1361 		 event,
1362 		 priv->dev_counter[device],
1363 		 mux);
1364 
1365 	switch (event) {
1366 	case SND_SOC_DAPM_PRE_PMU:
1367 		priv->dev_counter[device]++;
1368 		if (priv->dev_counter[device] > 1)
1369 			break;	/* already enabled, do nothing */
1370 		else if (priv->dev_counter[device] <= 0)
1371 			dev_warn(priv->dev, "%s(), dev_counter[DEV_HP] %d <= 0\n",
1372 				 __func__,
1373 				 priv->dev_counter[device]);
1374 
1375 		priv->mux_select[MUX_HP_L] = mux;
1376 
1377 		if (mux == HP_MUX_HP)
1378 			mtk_hp_enable(priv);
1379 		else if (mux == HP_MUX_HPSPK)
1380 			mtk_hp_spk_enable(priv);
1381 		break;
1382 	case SND_SOC_DAPM_PRE_PMD:
1383 		priv->dev_counter[device]--;
1384 		if (priv->dev_counter[device] > 0) {
1385 			break;	/* still being used, don't close */
1386 		} else if (priv->dev_counter[device] < 0) {
1387 			dev_warn(priv->dev, "%s(), dev_counter[DEV_HP] %d < 0\n",
1388 				 __func__,
1389 				 priv->dev_counter[device]);
1390 			priv->dev_counter[device] = 0;
1391 			break;
1392 		}
1393 
1394 		if (priv->mux_select[MUX_HP_L] == HP_MUX_HP)
1395 			mtk_hp_disable(priv);
1396 		else if (priv->mux_select[MUX_HP_L] == HP_MUX_HPSPK)
1397 			mtk_hp_spk_disable(priv);
1398 
1399 		priv->mux_select[MUX_HP_L] = mux;
1400 		break;
1401 	default:
1402 		break;
1403 	}
1404 
1405 	return 0;
1406 }
1407 
1408 static int mt_rcv_event(struct snd_soc_dapm_widget *w,
1409 			struct snd_kcontrol *kcontrol,
1410 			int event)
1411 {
1412 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1413 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1414 
1415 	dev_info(priv->dev, "%s(), event 0x%x, mux %u\n",
1416 		 __func__,
1417 		 event,
1418 		 dapm_kcontrol_get_value(w->kcontrols[0]));
1419 
1420 	switch (event) {
1421 	case SND_SOC_DAPM_PRE_PMU:
1422 		/* Reduce ESD resistance of AU_REFN */
1423 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
1424 
1425 		/* Turn on DA_600K_NCP_VA18 */
1426 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
1427 		/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
1428 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
1429 		/* Toggle RG_DIVCKS_CHG */
1430 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
1431 		/* Set NCP soft start mode as default mode: 100us */
1432 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
1433 		/* Enable NCP */
1434 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
1435 		usleep_range(250, 270);
1436 
1437 		/* Enable cap-less LDOs (1.5V) */
1438 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1439 				   0x1055, 0x1055);
1440 		/* Enable NV regulator (-1.2V) */
1441 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
1442 		usleep_range(100, 120);
1443 
1444 		/* Disable AUD_ZCD */
1445 		hp_zcd_disable(priv);
1446 
1447 		/* Disable handset short-circuit protection */
1448 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0010);
1449 
1450 		/* Enable IBIST */
1451 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1452 		/* Set HP DR bias current optimization, 010: 6uA */
1453 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
1454 		/* Set HP & ZCD bias current optimization */
1455 		/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
1456 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1457 		/* Set HS STB enhance circuits */
1458 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0090);
1459 
1460 		/* Disable HP main CMFB loop */
1461 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0000);
1462 		/* Select CMFB resistor bulk to AC mode */
1463 		/* Selec HS/LO cap size (6.5pF default) */
1464 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON10, 0x0000);
1465 
1466 		/* Enable HS driver bias circuits */
1467 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0092);
1468 		/* Enable HS driver core circuits */
1469 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0093);
1470 
1471 		/* Enable AUD_CLK */
1472 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1473 				   0x1, 0x1);
1474 
1475 		/* Enable Audio DAC  */
1476 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x0009);
1477 		/* Enable low-noise mode of DAC */
1478 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0001);
1479 		/* Switch HS MUX to audio DAC */
1480 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x009b);
1481 		break;
1482 	case SND_SOC_DAPM_PRE_PMD:
1483 		/* HS mux to open */
1484 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
1485 				   RG_AUDHSMUXINPUTSEL_VAUDP15_MASK_SFT,
1486 				   RCV_MUX_OPEN);
1487 
1488 		/* Disable Audio DAC */
1489 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1490 				   0x000f, 0x0000);
1491 
1492 		/* Disable AUD_CLK */
1493 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1494 				   0x1, 0x0);
1495 
1496 		/* decrease HS gain to minimum gain step by step */
1497 		regmap_write(priv->regmap, MT6358_ZCD_CON3, DL_GAIN_N_40DB);
1498 
1499 		/* Disable HS driver core circuits */
1500 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
1501 				   0x1, 0x0);
1502 
1503 		/* Disable HS driver bias circuits */
1504 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
1505 				   0x1 << 1, 0x0000);
1506 
1507 		/* Disable HP aux CMFB loop */
1508 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1509 				   0xff << 8, 0x0);
1510 
1511 		/* Enable HP main CMFB Switch */
1512 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1513 				   0xff << 8, 0x2 << 8);
1514 
1515 		/* Disable IBIST */
1516 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON12,
1517 				   0x1 << 8, 0x1 << 8);
1518 
1519 		/* Disable NV regulator (-1.2V) */
1520 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON15,
1521 				   0x1, 0x0);
1522 		/* Disable cap-less LDOs (1.5V) */
1523 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1524 				   0x1055, 0x0);
1525 		/* Disable NCP */
1526 		regmap_update_bits(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3,
1527 				   0x1, 0x1);
1528 		break;
1529 	default:
1530 		break;
1531 	}
1532 
1533 	return 0;
1534 }
1535 
1536 static int mt_aif_out_event(struct snd_soc_dapm_widget *w,
1537 			    struct snd_kcontrol *kcontrol,
1538 			    int event)
1539 {
1540 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1541 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1542 
1543 	dev_dbg(priv->dev, "%s(), event 0x%x, rate %d\n",
1544 		__func__, event, priv->ul_rate);
1545 
1546 	switch (event) {
1547 	case SND_SOC_DAPM_PRE_PMU:
1548 		capture_gpio_set(priv);
1549 		break;
1550 	case SND_SOC_DAPM_POST_PMD:
1551 		capture_gpio_reset(priv);
1552 		break;
1553 	default:
1554 		break;
1555 	}
1556 
1557 	return 0;
1558 }
1559 
1560 static int mt_adc_supply_event(struct snd_soc_dapm_widget *w,
1561 			       struct snd_kcontrol *kcontrol,
1562 			       int event)
1563 {
1564 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1565 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1566 
1567 	dev_dbg(priv->dev, "%s(), event 0x%x\n",
1568 		__func__, event);
1569 
1570 	switch (event) {
1571 	case SND_SOC_DAPM_PRE_PMU:
1572 		/* Enable audio ADC CLKGEN  */
1573 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1574 				   0x1 << 5, 0x1 << 5);
1575 		/* ADC CLK from CLKGEN (13MHz) */
1576 		regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON3,
1577 			     0x0000);
1578 		/* Enable  LCLDO_ENC 1P8V */
1579 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1580 				   0x2500, 0x0100);
1581 		/* LCLDO_ENC remote sense */
1582 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1583 				   0x2500, 0x2500);
1584 		break;
1585 	case SND_SOC_DAPM_POST_PMD:
1586 		/* LCLDO_ENC remote sense off */
1587 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1588 				   0x2500, 0x0100);
1589 		/* disable LCLDO_ENC 1P8V */
1590 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1591 				   0x2500, 0x0000);
1592 
1593 		/* ADC CLK from CLKGEN (13MHz) */
1594 		regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON3, 0x0000);
1595 		/* disable audio ADC CLKGEN  */
1596 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1597 				   0x1 << 5, 0x0 << 5);
1598 		break;
1599 	default:
1600 		break;
1601 	}
1602 
1603 	return 0;
1604 }
1605 
1606 static int mt6358_amic_enable(struct mt6358_priv *priv)
1607 {
1608 	unsigned int mic_type = priv->mux_select[MUX_MIC_TYPE];
1609 	unsigned int mux_pga_l = priv->mux_select[MUX_PGA_L];
1610 	unsigned int mux_pga_r = priv->mux_select[MUX_PGA_R];
1611 
1612 	dev_info(priv->dev, "%s(), mux, mic %u, pga l %u, pga r %u\n",
1613 		 __func__, mic_type, mux_pga_l, mux_pga_r);
1614 
1615 	if (IS_DCC_BASE(mic_type)) {
1616 		/* DCC 50k CLK (from 26M) */
1617 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1618 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1619 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2060);
1620 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2061);
1621 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG1, 0x0100);
1622 	}
1623 
1624 	/* mic bias 0 */
1625 	if (mux_pga_l == PGA_MUX_AIN0 || mux_pga_l == PGA_MUX_AIN2 ||
1626 	    mux_pga_r == PGA_MUX_AIN0 || mux_pga_r == PGA_MUX_AIN2) {
1627 		switch (mic_type) {
1628 		case MIC_TYPE_MUX_DCC_ECM_DIFF:
1629 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1630 					   0xff00, 0x7700);
1631 			break;
1632 		case MIC_TYPE_MUX_DCC_ECM_SINGLE:
1633 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1634 					   0xff00, 0x1100);
1635 			break;
1636 		default:
1637 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1638 					   0xff00, 0x0000);
1639 			break;
1640 		}
1641 		/* Enable MICBIAS0, MISBIAS0 = 1P9V */
1642 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1643 				   0xff, 0x21);
1644 	}
1645 
1646 	/* mic bias 1 */
1647 	if (mux_pga_l == PGA_MUX_AIN1 || mux_pga_r == PGA_MUX_AIN1) {
1648 		/* Enable MICBIAS1, MISBIAS1 = 2P6V */
1649 		if (mic_type == MIC_TYPE_MUX_DCC_ECM_SINGLE)
1650 			regmap_write(priv->regmap,
1651 				     MT6358_AUDENC_ANA_CON10, 0x0161);
1652 		else
1653 			regmap_write(priv->regmap,
1654 				     MT6358_AUDENC_ANA_CON10, 0x0061);
1655 	}
1656 
1657 	if (IS_DCC_BASE(mic_type)) {
1658 		/* Audio L/R preamplifier DCC precharge */
1659 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1660 				   0xf8ff, 0x0004);
1661 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1662 				   0xf8ff, 0x0004);
1663 	} else {
1664 		/* reset reg */
1665 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1666 				   0xf8ff, 0x0000);
1667 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1668 				   0xf8ff, 0x0000);
1669 	}
1670 
1671 	if (mux_pga_l != PGA_MUX_NONE) {
1672 		/* L preamplifier input sel */
1673 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1674 				   RG_AUDPREAMPLINPUTSEL_MASK_SFT,
1675 				   mux_pga_l << RG_AUDPREAMPLINPUTSEL_SFT);
1676 
1677 		/* L preamplifier enable */
1678 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1679 				   RG_AUDPREAMPLON_MASK_SFT,
1680 				   0x1 << RG_AUDPREAMPLON_SFT);
1681 
1682 		if (IS_DCC_BASE(mic_type)) {
1683 			/* L preamplifier DCCEN */
1684 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1685 					   RG_AUDPREAMPLDCCEN_MASK_SFT,
1686 					   0x1 << RG_AUDPREAMPLDCCEN_SFT);
1687 		}
1688 
1689 		/* L ADC input sel : L PGA. Enable audio L ADC */
1690 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1691 				   RG_AUDADCLINPUTSEL_MASK_SFT,
1692 				   ADC_MUX_PREAMPLIFIER <<
1693 				   RG_AUDADCLINPUTSEL_SFT);
1694 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1695 				   RG_AUDADCLPWRUP_MASK_SFT,
1696 				   0x1 << RG_AUDADCLPWRUP_SFT);
1697 	}
1698 
1699 	if (mux_pga_r != PGA_MUX_NONE) {
1700 		/* R preamplifier input sel */
1701 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1702 				   RG_AUDPREAMPRINPUTSEL_MASK_SFT,
1703 				   mux_pga_r << RG_AUDPREAMPRINPUTSEL_SFT);
1704 
1705 		/* R preamplifier enable */
1706 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1707 				   RG_AUDPREAMPRON_MASK_SFT,
1708 				   0x1 << RG_AUDPREAMPRON_SFT);
1709 
1710 		if (IS_DCC_BASE(mic_type)) {
1711 			/* R preamplifier DCCEN */
1712 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1713 					   RG_AUDPREAMPRDCCEN_MASK_SFT,
1714 					   0x1 << RG_AUDPREAMPRDCCEN_SFT);
1715 		}
1716 
1717 		/* R ADC input sel : R PGA. Enable audio R ADC */
1718 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1719 				   RG_AUDADCRINPUTSEL_MASK_SFT,
1720 				   ADC_MUX_PREAMPLIFIER <<
1721 				   RG_AUDADCRINPUTSEL_SFT);
1722 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1723 				   RG_AUDADCRPWRUP_MASK_SFT,
1724 				   0x1 << RG_AUDADCRPWRUP_SFT);
1725 	}
1726 
1727 	if (IS_DCC_BASE(mic_type)) {
1728 		usleep_range(100, 150);
1729 		/* Audio L preamplifier DCC precharge off */
1730 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1731 				   RG_AUDPREAMPLDCPRECHARGE_MASK_SFT, 0x0);
1732 		/* Audio R preamplifier DCC precharge off */
1733 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1734 				   RG_AUDPREAMPRDCPRECHARGE_MASK_SFT, 0x0);
1735 
1736 		/* Short body to ground in PGA */
1737 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON3,
1738 				   0x1 << 12, 0x0);
1739 	}
1740 
1741 	/* here to set digital part */
1742 	mt6358_mtkaif_tx_enable(priv);
1743 
1744 	/* UL dmic setting off */
1745 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0000);
1746 
1747 	/* UL turn on */
1748 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_L, 0x0001);
1749 
1750 	return 0;
1751 }
1752 
1753 static void mt6358_amic_disable(struct mt6358_priv *priv)
1754 {
1755 	unsigned int mic_type = priv->mux_select[MUX_MIC_TYPE];
1756 	unsigned int mux_pga_l = priv->mux_select[MUX_PGA_L];
1757 	unsigned int mux_pga_r = priv->mux_select[MUX_PGA_R];
1758 
1759 	dev_info(priv->dev, "%s(), mux, mic %u, pga l %u, pga r %u\n",
1760 		 __func__, mic_type, mux_pga_l, mux_pga_r);
1761 
1762 	/* UL turn off */
1763 	regmap_update_bits(priv->regmap, MT6358_AFE_UL_SRC_CON0_L,
1764 			   0x0001, 0x0000);
1765 
1766 	/* disable aud_pad TX fifos */
1767 	mt6358_mtkaif_tx_disable(priv);
1768 
1769 	/* L ADC input sel : off, disable L ADC */
1770 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1771 			   0xf000, 0x0000);
1772 	/* L preamplifier DCCEN */
1773 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1774 			   0x1 << 1, 0x0);
1775 	/* L preamplifier input sel : off, L PGA 0 dB gain */
1776 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1777 			   0xfffb, 0x0000);
1778 
1779 	/* disable L preamplifier DCC precharge */
1780 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1781 			   0x1 << 2, 0x0);
1782 
1783 	/* R ADC input sel : off, disable R ADC */
1784 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1785 			   0xf000, 0x0000);
1786 	/* R preamplifier DCCEN */
1787 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1788 			   0x1 << 1, 0x0);
1789 	/* R preamplifier input sel : off, R PGA 0 dB gain */
1790 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1791 			   0x0ffb, 0x0000);
1792 
1793 	/* disable R preamplifier DCC precharge */
1794 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1795 			   0x1 << 2, 0x0);
1796 
1797 	/* mic bias */
1798 	/* Disable MICBIAS0, MISBIAS0 = 1P7V */
1799 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0000);
1800 
1801 	/* Disable MICBIAS1 */
1802 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON10,
1803 			   0x0001, 0x0000);
1804 
1805 	if (IS_DCC_BASE(mic_type)) {
1806 		/* dcclk_gen_on=1'b0 */
1807 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2060);
1808 		/* dcclk_pdn=1'b1 */
1809 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1810 		/* dcclk_ref_ck_sel=2'b00 */
1811 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1812 		/* dcclk_div=11'b00100000011 */
1813 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1814 	}
1815 }
1816 
1817 static int mt6358_dmic_enable(struct mt6358_priv *priv)
1818 {
1819 	dev_info(priv->dev, "%s()\n", __func__);
1820 
1821 	/* mic bias */
1822 	/* Enable MICBIAS0, MISBIAS0 = 1P9V */
1823 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0021);
1824 
1825 	/* RG_BANDGAPGEN=1'b0 */
1826 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON10,
1827 			   0x1 << 12, 0x0);
1828 
1829 	/* DMIC enable */
1830 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON8, 0x0005);
1831 
1832 	/* here to set digital part */
1833 	mt6358_mtkaif_tx_enable(priv);
1834 
1835 	/* UL dmic setting */
1836 	if (priv->dmic_one_wire_mode)
1837 		regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0400);
1838 	else
1839 		regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0080);
1840 
1841 	/* UL turn on */
1842 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_L, 0x0003);
1843 
1844 	/* Prevent pop noise form dmic hw */
1845 	msleep(100);
1846 
1847 	return 0;
1848 }
1849 
1850 static void mt6358_dmic_disable(struct mt6358_priv *priv)
1851 {
1852 	dev_info(priv->dev, "%s()\n", __func__);
1853 
1854 	/* UL turn off */
1855 	regmap_update_bits(priv->regmap, MT6358_AFE_UL_SRC_CON0_L,
1856 			   0x0003, 0x0000);
1857 
1858 	/* disable aud_pad TX fifos */
1859 	mt6358_mtkaif_tx_disable(priv);
1860 
1861 	/* DMIC disable */
1862 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON8, 0x0000);
1863 
1864 	/* mic bias */
1865 	/* MISBIAS0 = 1P7V */
1866 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0001);
1867 
1868 	/* RG_BANDGAPGEN=1'b0 */
1869 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON10,
1870 			   0x1 << 12, 0x0);
1871 
1872 	/* MICBIA0 disable */
1873 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0000);
1874 }
1875 
1876 static void mt6358_restore_pga(struct mt6358_priv *priv)
1877 {
1878 	unsigned int gain_l, gain_r;
1879 
1880 	gain_l = priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP1];
1881 	gain_r = priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP2];
1882 
1883 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1884 			   RG_AUDPREAMPLGAIN_MASK_SFT,
1885 			   gain_l << RG_AUDPREAMPLGAIN_SFT);
1886 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1887 			   RG_AUDPREAMPRGAIN_MASK_SFT,
1888 			   gain_r << RG_AUDPREAMPRGAIN_SFT);
1889 }
1890 
1891 static int mt_mic_type_event(struct snd_soc_dapm_widget *w,
1892 			     struct snd_kcontrol *kcontrol,
1893 			     int event)
1894 {
1895 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1896 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1897 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1898 
1899 	dev_dbg(priv->dev, "%s(), event 0x%x, mux %u\n",
1900 		__func__, event, mux);
1901 
1902 	switch (event) {
1903 	case SND_SOC_DAPM_WILL_PMU:
1904 		priv->mux_select[MUX_MIC_TYPE] = mux;
1905 		break;
1906 	case SND_SOC_DAPM_PRE_PMU:
1907 		switch (mux) {
1908 		case MIC_TYPE_MUX_DMIC:
1909 			mt6358_dmic_enable(priv);
1910 			break;
1911 		default:
1912 			mt6358_amic_enable(priv);
1913 			break;
1914 		}
1915 		mt6358_restore_pga(priv);
1916 
1917 		break;
1918 	case SND_SOC_DAPM_POST_PMD:
1919 		switch (priv->mux_select[MUX_MIC_TYPE]) {
1920 		case MIC_TYPE_MUX_DMIC:
1921 			mt6358_dmic_disable(priv);
1922 			break;
1923 		default:
1924 			mt6358_amic_disable(priv);
1925 			break;
1926 		}
1927 
1928 		priv->mux_select[MUX_MIC_TYPE] = mux;
1929 		break;
1930 	default:
1931 		break;
1932 	}
1933 
1934 	return 0;
1935 }
1936 
1937 static int mt_adc_l_event(struct snd_soc_dapm_widget *w,
1938 			  struct snd_kcontrol *kcontrol,
1939 			  int event)
1940 {
1941 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1942 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1943 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1944 
1945 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1946 		__func__, event, mux);
1947 
1948 	priv->mux_select[MUX_ADC_L] = mux;
1949 
1950 	return 0;
1951 }
1952 
1953 static int mt_adc_r_event(struct snd_soc_dapm_widget *w,
1954 			  struct snd_kcontrol *kcontrol,
1955 			  int event)
1956 {
1957 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1958 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1959 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1960 
1961 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1962 		__func__, event, mux);
1963 
1964 	priv->mux_select[MUX_ADC_R] = mux;
1965 
1966 	return 0;
1967 }
1968 
1969 static int mt_pga_left_event(struct snd_soc_dapm_widget *w,
1970 			     struct snd_kcontrol *kcontrol,
1971 			     int event)
1972 {
1973 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1974 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1975 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1976 
1977 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1978 		__func__, event, mux);
1979 
1980 	priv->mux_select[MUX_PGA_L] = mux;
1981 
1982 	return 0;
1983 }
1984 
1985 static int mt_pga_right_event(struct snd_soc_dapm_widget *w,
1986 			      struct snd_kcontrol *kcontrol,
1987 			      int event)
1988 {
1989 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1990 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1991 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1992 
1993 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1994 		__func__, event, mux);
1995 
1996 	priv->mux_select[MUX_PGA_R] = mux;
1997 
1998 	return 0;
1999 }
2000 
2001 static int mt_delay_250_event(struct snd_soc_dapm_widget *w,
2002 			      struct snd_kcontrol *kcontrol,
2003 			      int event)
2004 {
2005 	switch (event) {
2006 	case SND_SOC_DAPM_POST_PMU:
2007 		usleep_range(250, 270);
2008 		break;
2009 	case SND_SOC_DAPM_PRE_PMD:
2010 		usleep_range(250, 270);
2011 		break;
2012 	default:
2013 		break;
2014 	}
2015 
2016 	return 0;
2017 }
2018 
2019 /* DAPM Widgets */
2020 static const struct snd_soc_dapm_widget mt6358_dapm_widgets[] = {
2021 	/* Global Supply*/
2022 	SND_SOC_DAPM_SUPPLY_S("CLK_BUF", SUPPLY_SEQ_CLK_BUF,
2023 			      MT6358_DCXO_CW14,
2024 			      RG_XO_AUDIO_EN_M_SFT, 0, NULL, 0),
2025 	SND_SOC_DAPM_SUPPLY_S("AUDGLB", SUPPLY_SEQ_AUD_GLB,
2026 			      MT6358_AUDDEC_ANA_CON13,
2027 			      RG_AUDGLB_PWRDN_VA28_SFT, 1, NULL, 0),
2028 	SND_SOC_DAPM_SUPPLY_S("CLKSQ Audio", SUPPLY_SEQ_CLKSQ,
2029 			      MT6358_AUDENC_ANA_CON6,
2030 			      RG_CLKSQ_EN_SFT, 0,
2031 			      mt_clksq_event,
2032 			      SND_SOC_DAPM_PRE_PMU),
2033 	SND_SOC_DAPM_SUPPLY_S("AUDNCP_CK", SUPPLY_SEQ_TOP_CK,
2034 			      MT6358_AUD_TOP_CKPDN_CON0,
2035 			      RG_AUDNCP_CK_PDN_SFT, 1, NULL, 0),
2036 	SND_SOC_DAPM_SUPPLY_S("ZCD13M_CK", SUPPLY_SEQ_TOP_CK,
2037 			      MT6358_AUD_TOP_CKPDN_CON0,
2038 			      RG_ZCD13M_CK_PDN_SFT, 1, NULL, 0),
2039 	SND_SOC_DAPM_SUPPLY_S("AUD_CK", SUPPLY_SEQ_TOP_CK_LAST,
2040 			      MT6358_AUD_TOP_CKPDN_CON0,
2041 			      RG_AUD_CK_PDN_SFT, 1,
2042 			      mt_delay_250_event,
2043 			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
2044 	SND_SOC_DAPM_SUPPLY_S("AUDIF_CK", SUPPLY_SEQ_TOP_CK,
2045 			      MT6358_AUD_TOP_CKPDN_CON0,
2046 			      RG_AUDIF_CK_PDN_SFT, 1, NULL, 0),
2047 
2048 	/* Digital Clock */
2049 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_AFE_CTL", SUPPLY_SEQ_AUD_TOP_LAST,
2050 			      MT6358_AUDIO_TOP_CON0,
2051 			      PDN_AFE_CTL_SFT, 1,
2052 			      mt_delay_250_event,
2053 			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
2054 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_DAC_CTL", SUPPLY_SEQ_AUD_TOP,
2055 			      MT6358_AUDIO_TOP_CON0,
2056 			      PDN_DAC_CTL_SFT, 1, NULL, 0),
2057 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_ADC_CTL", SUPPLY_SEQ_AUD_TOP,
2058 			      MT6358_AUDIO_TOP_CON0,
2059 			      PDN_ADC_CTL_SFT, 1, NULL, 0),
2060 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_I2S_DL", SUPPLY_SEQ_AUD_TOP,
2061 			      MT6358_AUDIO_TOP_CON0,
2062 			      PDN_I2S_DL_CTL_SFT, 1, NULL, 0),
2063 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_PWR_CLK", SUPPLY_SEQ_AUD_TOP,
2064 			      MT6358_AUDIO_TOP_CON0,
2065 			      PWR_CLK_DIS_CTL_SFT, 1, NULL, 0),
2066 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_PDN_AFE_TESTMODEL", SUPPLY_SEQ_AUD_TOP,
2067 			      MT6358_AUDIO_TOP_CON0,
2068 			      PDN_AFE_TESTMODEL_CTL_SFT, 1, NULL, 0),
2069 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_PDN_RESERVED", SUPPLY_SEQ_AUD_TOP,
2070 			      MT6358_AUDIO_TOP_CON0,
2071 			      PDN_RESERVED_SFT, 1, NULL, 0),
2072 
2073 	SND_SOC_DAPM_SUPPLY("DL Digital Clock", SND_SOC_NOPM,
2074 			    0, 0, NULL, 0),
2075 
2076 	/* AFE ON */
2077 	SND_SOC_DAPM_SUPPLY_S("AFE_ON", SUPPLY_SEQ_AFE,
2078 			      MT6358_AFE_UL_DL_CON0, AFE_ON_SFT, 0,
2079 			      NULL, 0),
2080 
2081 	/* AIF Rx*/
2082 	SND_SOC_DAPM_AIF_IN_E("AIF_RX", "AIF1 Playback", 0,
2083 			      MT6358_AFE_DL_SRC2_CON0_L,
2084 			      DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0,
2085 			      mt_aif_in_event,
2086 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2087 
2088 	/* DL Supply */
2089 	SND_SOC_DAPM_SUPPLY("DL Power Supply", SND_SOC_NOPM,
2090 			    0, 0, NULL, 0),
2091 
2092 	/* DAC */
2093 	SND_SOC_DAPM_MUX("DAC In Mux", SND_SOC_NOPM, 0, 0, &dac_in_mux_control),
2094 
2095 	SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
2096 
2097 	SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
2098 
2099 	/* LOL */
2100 	SND_SOC_DAPM_MUX("LOL Mux", SND_SOC_NOPM, 0, 0, &lo_in_mux_control),
2101 
2102 	SND_SOC_DAPM_SUPPLY("LO Stability Enh", MT6358_AUDDEC_ANA_CON7,
2103 			    RG_LOOUTPUTSTBENH_VAUDP15_SFT, 0, NULL, 0),
2104 
2105 	SND_SOC_DAPM_OUT_DRV("LOL Buffer", MT6358_AUDDEC_ANA_CON7,
2106 			     RG_AUDLOLPWRUP_VAUDP15_SFT, 0, NULL, 0),
2107 
2108 	/* Headphone */
2109 	SND_SOC_DAPM_MUX_E("HPL Mux", SND_SOC_NOPM, 0, 0,
2110 			   &hpl_in_mux_control,
2111 			   mt_hp_event,
2112 			   SND_SOC_DAPM_PRE_PMU |
2113 			   SND_SOC_DAPM_PRE_PMD),
2114 
2115 	SND_SOC_DAPM_MUX_E("HPR Mux", SND_SOC_NOPM, 0, 0,
2116 			   &hpr_in_mux_control,
2117 			   mt_hp_event,
2118 			   SND_SOC_DAPM_PRE_PMU |
2119 			   SND_SOC_DAPM_PRE_PMD),
2120 
2121 	/* Receiver */
2122 	SND_SOC_DAPM_MUX_E("RCV Mux", SND_SOC_NOPM, 0, 0,
2123 			   &rcv_in_mux_control,
2124 			   mt_rcv_event,
2125 			   SND_SOC_DAPM_PRE_PMU |
2126 			   SND_SOC_DAPM_PRE_PMD),
2127 
2128 	/* Outputs */
2129 	SND_SOC_DAPM_OUTPUT("Receiver"),
2130 	SND_SOC_DAPM_OUTPUT("Headphone L"),
2131 	SND_SOC_DAPM_OUTPUT("Headphone R"),
2132 	SND_SOC_DAPM_OUTPUT("Headphone L Ext Spk Amp"),
2133 	SND_SOC_DAPM_OUTPUT("Headphone R Ext Spk Amp"),
2134 	SND_SOC_DAPM_OUTPUT("LINEOUT L"),
2135 	SND_SOC_DAPM_OUTPUT("LINEOUT L HSSPK"),
2136 
2137 	/* SGEN */
2138 	SND_SOC_DAPM_SUPPLY("SGEN DL Enable", MT6358_AFE_SGEN_CFG0,
2139 			    SGEN_DAC_EN_CTL_SFT, 0, NULL, 0),
2140 	SND_SOC_DAPM_SUPPLY("SGEN MUTE", MT6358_AFE_SGEN_CFG0,
2141 			    SGEN_MUTE_SW_CTL_SFT, 1,
2142 			    mt_sgen_event,
2143 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2144 	SND_SOC_DAPM_SUPPLY("SGEN DL SRC", MT6358_AFE_DL_SRC2_CON0_L,
2145 			    DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0, NULL, 0),
2146 
2147 	SND_SOC_DAPM_INPUT("SGEN DL"),
2148 
2149 	/* Uplinks */
2150 	SND_SOC_DAPM_AIF_OUT_E("AIF1TX", "AIF1 Capture", 0,
2151 			       SND_SOC_NOPM, 0, 0,
2152 			       mt_aif_out_event,
2153 			       SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2154 
2155 	SND_SOC_DAPM_SUPPLY_S("ADC Supply", SUPPLY_SEQ_ADC_SUPPLY,
2156 			      SND_SOC_NOPM, 0, 0,
2157 			      mt_adc_supply_event,
2158 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2159 
2160 	/* Uplinks MUX */
2161 	SND_SOC_DAPM_MUX("AIF Out Mux", SND_SOC_NOPM, 0, 0,
2162 			 &aif_out_mux_control),
2163 
2164 	SND_SOC_DAPM_MUX_E("Mic Type Mux", SND_SOC_NOPM, 0, 0,
2165 			   &mic_type_mux_control,
2166 			   mt_mic_type_event,
2167 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD |
2168 			   SND_SOC_DAPM_WILL_PMU),
2169 
2170 	SND_SOC_DAPM_MUX_E("ADC L Mux", SND_SOC_NOPM, 0, 0,
2171 			   &adc_left_mux_control,
2172 			   mt_adc_l_event,
2173 			   SND_SOC_DAPM_WILL_PMU),
2174 	SND_SOC_DAPM_MUX_E("ADC R Mux", SND_SOC_NOPM, 0, 0,
2175 			   &adc_right_mux_control,
2176 			   mt_adc_r_event,
2177 			   SND_SOC_DAPM_WILL_PMU),
2178 
2179 	SND_SOC_DAPM_ADC("ADC L", NULL, SND_SOC_NOPM, 0, 0),
2180 	SND_SOC_DAPM_ADC("ADC R", NULL, SND_SOC_NOPM, 0, 0),
2181 
2182 	SND_SOC_DAPM_MUX_E("PGA L Mux", SND_SOC_NOPM, 0, 0,
2183 			   &pga_left_mux_control,
2184 			   mt_pga_left_event,
2185 			   SND_SOC_DAPM_WILL_PMU),
2186 	SND_SOC_DAPM_MUX_E("PGA R Mux", SND_SOC_NOPM, 0, 0,
2187 			   &pga_right_mux_control,
2188 			   mt_pga_right_event,
2189 			   SND_SOC_DAPM_WILL_PMU),
2190 
2191 	SND_SOC_DAPM_PGA("PGA L", SND_SOC_NOPM, 0, 0, NULL, 0),
2192 	SND_SOC_DAPM_PGA("PGA R", SND_SOC_NOPM, 0, 0, NULL, 0),
2193 
2194 	/* UL input */
2195 	SND_SOC_DAPM_INPUT("AIN0"),
2196 	SND_SOC_DAPM_INPUT("AIN1"),
2197 	SND_SOC_DAPM_INPUT("AIN2"),
2198 };
2199 
2200 static const struct snd_soc_dapm_route mt6358_dapm_routes[] = {
2201 	/* Capture */
2202 	{"AIF1TX", NULL, "AIF Out Mux"},
2203 	{"AIF1TX", NULL, "CLK_BUF"},
2204 	{"AIF1TX", NULL, "AUDGLB"},
2205 	{"AIF1TX", NULL, "CLKSQ Audio"},
2206 
2207 	{"AIF1TX", NULL, "AUD_CK"},
2208 	{"AIF1TX", NULL, "AUDIF_CK"},
2209 
2210 	{"AIF1TX", NULL, "AUDIO_TOP_AFE_CTL"},
2211 	{"AIF1TX", NULL, "AUDIO_TOP_ADC_CTL"},
2212 	{"AIF1TX", NULL, "AUDIO_TOP_PWR_CLK"},
2213 	{"AIF1TX", NULL, "AUDIO_TOP_PDN_RESERVED"},
2214 	{"AIF1TX", NULL, "AUDIO_TOP_I2S_DL"},
2215 
2216 	{"AIF1TX", NULL, "AFE_ON"},
2217 
2218 	{"AIF Out Mux", NULL, "Mic Type Mux"},
2219 
2220 	{"Mic Type Mux", "ACC", "ADC L"},
2221 	{"Mic Type Mux", "ACC", "ADC R"},
2222 	{"Mic Type Mux", "DCC", "ADC L"},
2223 	{"Mic Type Mux", "DCC", "ADC R"},
2224 	{"Mic Type Mux", "DCC_ECM_DIFF", "ADC L"},
2225 	{"Mic Type Mux", "DCC_ECM_DIFF", "ADC R"},
2226 	{"Mic Type Mux", "DCC_ECM_SINGLE", "ADC L"},
2227 	{"Mic Type Mux", "DCC_ECM_SINGLE", "ADC R"},
2228 	{"Mic Type Mux", "DMIC", "AIN0"},
2229 	{"Mic Type Mux", "DMIC", "AIN2"},
2230 
2231 	{"ADC L", NULL, "ADC L Mux"},
2232 	{"ADC L", NULL, "ADC Supply"},
2233 	{"ADC R", NULL, "ADC R Mux"},
2234 	{"ADC R", NULL, "ADC Supply"},
2235 
2236 	{"ADC L Mux", "Left Preamplifier", "PGA L"},
2237 
2238 	{"ADC R Mux", "Right Preamplifier", "PGA R"},
2239 
2240 	{"PGA L", NULL, "PGA L Mux"},
2241 	{"PGA R", NULL, "PGA R Mux"},
2242 
2243 	{"PGA L Mux", "AIN0", "AIN0"},
2244 	{"PGA L Mux", "AIN1", "AIN1"},
2245 	{"PGA L Mux", "AIN2", "AIN2"},
2246 
2247 	{"PGA R Mux", "AIN0", "AIN0"},
2248 	{"PGA R Mux", "AIN1", "AIN1"},
2249 	{"PGA R Mux", "AIN2", "AIN2"},
2250 
2251 	/* DL Supply */
2252 	{"DL Power Supply", NULL, "CLK_BUF"},
2253 	{"DL Power Supply", NULL, "AUDGLB"},
2254 	{"DL Power Supply", NULL, "CLKSQ Audio"},
2255 
2256 	{"DL Power Supply", NULL, "AUDNCP_CK"},
2257 	{"DL Power Supply", NULL, "ZCD13M_CK"},
2258 	{"DL Power Supply", NULL, "AUD_CK"},
2259 	{"DL Power Supply", NULL, "AUDIF_CK"},
2260 
2261 	/* DL Digital Supply */
2262 	{"DL Digital Clock", NULL, "AUDIO_TOP_AFE_CTL"},
2263 	{"DL Digital Clock", NULL, "AUDIO_TOP_DAC_CTL"},
2264 	{"DL Digital Clock", NULL, "AUDIO_TOP_PWR_CLK"},
2265 
2266 	{"DL Digital Clock", NULL, "AFE_ON"},
2267 
2268 	{"AIF_RX", NULL, "DL Digital Clock"},
2269 
2270 	/* DL Path */
2271 	{"DAC In Mux", "Normal Path", "AIF_RX"},
2272 
2273 	{"DAC In Mux", "Sgen", "SGEN DL"},
2274 	{"SGEN DL", NULL, "SGEN DL SRC"},
2275 	{"SGEN DL", NULL, "SGEN MUTE"},
2276 	{"SGEN DL", NULL, "SGEN DL Enable"},
2277 	{"SGEN DL", NULL, "DL Digital Clock"},
2278 	{"SGEN DL", NULL, "AUDIO_TOP_PDN_AFE_TESTMODEL"},
2279 
2280 	{"DACL", NULL, "DAC In Mux"},
2281 	{"DACL", NULL, "DL Power Supply"},
2282 
2283 	{"DACR", NULL, "DAC In Mux"},
2284 	{"DACR", NULL, "DL Power Supply"},
2285 
2286 	/* Lineout Path */
2287 	{"LOL Mux", "Playback", "DACL"},
2288 
2289 	{"LOL Buffer", NULL, "LOL Mux"},
2290 	{"LOL Buffer", NULL, "LO Stability Enh"},
2291 
2292 	{"LINEOUT L", NULL, "LOL Buffer"},
2293 
2294 	/* Headphone Path */
2295 	{"HPL Mux", "Audio Playback", "DACL"},
2296 	{"HPR Mux", "Audio Playback", "DACR"},
2297 	{"HPL Mux", "HP Impedance", "DACL"},
2298 	{"HPR Mux", "HP Impedance", "DACR"},
2299 	{"HPL Mux", "LoudSPK Playback", "DACL"},
2300 	{"HPR Mux", "LoudSPK Playback", "DACR"},
2301 
2302 	{"Headphone L", NULL, "HPL Mux"},
2303 	{"Headphone R", NULL, "HPR Mux"},
2304 	{"Headphone L Ext Spk Amp", NULL, "HPL Mux"},
2305 	{"Headphone R Ext Spk Amp", NULL, "HPR Mux"},
2306 	{"LINEOUT L HSSPK", NULL, "HPL Mux"},
2307 
2308 	/* Receiver Path */
2309 	{"RCV Mux", "Voice Playback", "DACL"},
2310 	{"Receiver", NULL, "RCV Mux"},
2311 };
2312 
2313 static int mt6358_codec_dai_hw_params(struct snd_pcm_substream *substream,
2314 				      struct snd_pcm_hw_params *params,
2315 				      struct snd_soc_dai *dai)
2316 {
2317 	struct snd_soc_component *cmpnt = dai->component;
2318 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
2319 	unsigned int rate = params_rate(params);
2320 
2321 	dev_info(priv->dev, "%s(), substream->stream %d, rate %d, number %d\n",
2322 		 __func__,
2323 		 substream->stream,
2324 		 rate,
2325 		 substream->number);
2326 
2327 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2328 		priv->dl_rate = rate;
2329 	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2330 		priv->ul_rate = rate;
2331 
2332 	return 0;
2333 }
2334 
2335 static const struct snd_soc_dai_ops mt6358_codec_dai_ops = {
2336 	.hw_params = mt6358_codec_dai_hw_params,
2337 };
2338 
2339 #define MT6358_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S16_BE |\
2340 			SNDRV_PCM_FMTBIT_U16_LE | SNDRV_PCM_FMTBIT_U16_BE |\
2341 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S24_BE |\
2342 			SNDRV_PCM_FMTBIT_U24_LE | SNDRV_PCM_FMTBIT_U24_BE |\
2343 			SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_S32_BE |\
2344 			SNDRV_PCM_FMTBIT_U32_LE | SNDRV_PCM_FMTBIT_U32_BE)
2345 
2346 static struct snd_soc_dai_driver mt6358_dai_driver[] = {
2347 	{
2348 		.name = "mt6358-snd-codec-aif1",
2349 		.playback = {
2350 			.stream_name = "AIF1 Playback",
2351 			.channels_min = 1,
2352 			.channels_max = 2,
2353 			.rates = SNDRV_PCM_RATE_8000_48000 |
2354 				 SNDRV_PCM_RATE_96000 |
2355 				 SNDRV_PCM_RATE_192000,
2356 			.formats = MT6358_FORMATS,
2357 		},
2358 		.capture = {
2359 			.stream_name = "AIF1 Capture",
2360 			.channels_min = 1,
2361 			.channels_max = 2,
2362 			.rates = SNDRV_PCM_RATE_8000 |
2363 				 SNDRV_PCM_RATE_16000 |
2364 				 SNDRV_PCM_RATE_32000 |
2365 				 SNDRV_PCM_RATE_48000,
2366 			.formats = MT6358_FORMATS,
2367 		},
2368 		.ops = &mt6358_codec_dai_ops,
2369 	},
2370 };
2371 
2372 static void mt6358_codec_init_reg(struct mt6358_priv *priv)
2373 {
2374 	/* Disable HeadphoneL/HeadphoneR short circuit protection */
2375 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
2376 			   RG_AUDHPLSCDISABLE_VAUDP15_MASK_SFT,
2377 			   0x1 << RG_AUDHPLSCDISABLE_VAUDP15_SFT);
2378 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
2379 			   RG_AUDHPRSCDISABLE_VAUDP15_MASK_SFT,
2380 			   0x1 << RG_AUDHPRSCDISABLE_VAUDP15_SFT);
2381 	/* Disable voice short circuit protection */
2382 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
2383 			   RG_AUDHSSCDISABLE_VAUDP15_MASK_SFT,
2384 			   0x1 << RG_AUDHSSCDISABLE_VAUDP15_SFT);
2385 	/* disable LO buffer left short circuit protection */
2386 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
2387 			   RG_AUDLOLSCDISABLE_VAUDP15_MASK_SFT,
2388 			   0x1 << RG_AUDLOLSCDISABLE_VAUDP15_SFT);
2389 
2390 	/* accdet s/w enable */
2391 	regmap_update_bits(priv->regmap, MT6358_ACCDET_CON13,
2392 			   0xFFFF, 0x700E);
2393 
2394 	/* gpio miso driving set to 4mA */
2395 	regmap_write(priv->regmap, MT6358_DRV_CON3, 0x8888);
2396 
2397 	/* set gpio */
2398 	playback_gpio_reset(priv);
2399 	capture_gpio_reset(priv);
2400 }
2401 
2402 static int mt6358_codec_probe(struct snd_soc_component *cmpnt)
2403 {
2404 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
2405 	int ret;
2406 
2407 	snd_soc_component_init_regmap(cmpnt, priv->regmap);
2408 
2409 	mt6358_codec_init_reg(priv);
2410 
2411 	priv->avdd_reg = devm_regulator_get(priv->dev, "Avdd");
2412 	if (IS_ERR(priv->avdd_reg)) {
2413 		dev_err(priv->dev, "%s() have no Avdd supply", __func__);
2414 		return PTR_ERR(priv->avdd_reg);
2415 	}
2416 
2417 	ret = regulator_enable(priv->avdd_reg);
2418 	if (ret)
2419 		return  ret;
2420 
2421 	return 0;
2422 }
2423 
2424 static const struct snd_soc_component_driver mt6358_soc_component_driver = {
2425 	.probe = mt6358_codec_probe,
2426 	.controls = mt6358_snd_controls,
2427 	.num_controls = ARRAY_SIZE(mt6358_snd_controls),
2428 	.dapm_widgets = mt6358_dapm_widgets,
2429 	.num_dapm_widgets = ARRAY_SIZE(mt6358_dapm_widgets),
2430 	.dapm_routes = mt6358_dapm_routes,
2431 	.num_dapm_routes = ARRAY_SIZE(mt6358_dapm_routes),
2432 };
2433 
2434 static void mt6358_parse_dt(struct mt6358_priv *priv)
2435 {
2436 	int ret;
2437 	struct device *dev = priv->dev;
2438 
2439 	ret = of_property_read_u32(dev->of_node, "mediatek,dmic-mode",
2440 				   &priv->dmic_one_wire_mode);
2441 	if (ret) {
2442 		dev_warn(priv->dev, "%s() failed to read dmic-mode\n",
2443 			 __func__);
2444 		priv->dmic_one_wire_mode = 0;
2445 	}
2446 }
2447 
2448 static int mt6358_platform_driver_probe(struct platform_device *pdev)
2449 {
2450 	struct mt6358_priv *priv;
2451 	struct mt6397_chip *mt6397 = dev_get_drvdata(pdev->dev.parent);
2452 
2453 	priv = devm_kzalloc(&pdev->dev,
2454 			    sizeof(struct mt6358_priv),
2455 			    GFP_KERNEL);
2456 	if (!priv)
2457 		return -ENOMEM;
2458 
2459 	dev_set_drvdata(&pdev->dev, priv);
2460 
2461 	priv->dev = &pdev->dev;
2462 
2463 	priv->regmap = mt6397->regmap;
2464 	if (IS_ERR(priv->regmap))
2465 		return PTR_ERR(priv->regmap);
2466 
2467 	mt6358_parse_dt(priv);
2468 
2469 	dev_info(priv->dev, "%s(), dev name %s\n",
2470 		 __func__, dev_name(&pdev->dev));
2471 
2472 	return devm_snd_soc_register_component(&pdev->dev,
2473 				      &mt6358_soc_component_driver,
2474 				      mt6358_dai_driver,
2475 				      ARRAY_SIZE(mt6358_dai_driver));
2476 }
2477 
2478 static const struct of_device_id mt6358_of_match[] = {
2479 	{.compatible = "mediatek,mt6358-sound",},
2480 	{}
2481 };
2482 MODULE_DEVICE_TABLE(of, mt6358_of_match);
2483 
2484 static struct platform_driver mt6358_platform_driver = {
2485 	.driver = {
2486 		.name = "mt6358-sound",
2487 		.of_match_table = mt6358_of_match,
2488 	},
2489 	.probe = mt6358_platform_driver_probe,
2490 };
2491 
2492 module_platform_driver(mt6358_platform_driver)
2493 
2494 /* Module information */
2495 MODULE_DESCRIPTION("MT6358 ALSA SoC codec driver");
2496 MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
2497 MODULE_LICENSE("GPL v2");
2498