xref: /linux/sound/soc/codecs/mt6358.c (revision 4359a011e259a4608afc7fb3635370c9d4ba5943)
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 EXPORT_SYMBOL_GPL(mt6358_set_mtkaif_protocol);
111 
112 static void playback_gpio_set(struct mt6358_priv *priv)
113 {
114 	/* set gpio mosi mode */
115 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_CLR,
116 			   0x01f8, 0x01f8);
117 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_SET,
118 			   0xffff, 0x0249);
119 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2,
120 			   0xffff, 0x0249);
121 }
122 
123 static void playback_gpio_reset(struct mt6358_priv *priv)
124 {
125 	/* set pad_aud_*_mosi to GPIO mode and dir input
126 	 * reason:
127 	 * pad_aud_dat_mosi*, because the pin is used as boot strap
128 	 * don't clean clk/sync, for mtkaif protocol 2
129 	 */
130 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2_CLR,
131 			   0x01f8, 0x01f8);
132 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE2,
133 			   0x01f8, 0x0000);
134 	regmap_update_bits(priv->regmap, MT6358_GPIO_DIR0,
135 			   0xf << 8, 0x0);
136 }
137 
138 static void capture_gpio_set(struct mt6358_priv *priv)
139 {
140 	/* set gpio miso mode */
141 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_CLR,
142 			   0xffff, 0xffff);
143 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_SET,
144 			   0xffff, 0x0249);
145 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3,
146 			   0xffff, 0x0249);
147 }
148 
149 static void capture_gpio_reset(struct mt6358_priv *priv)
150 {
151 	/* set pad_aud_*_miso to GPIO mode and dir input
152 	 * reason:
153 	 * pad_aud_clk_miso, because when playback only the miso_clk
154 	 * will also have 26m, so will have power leak
155 	 * pad_aud_dat_miso*, because the pin is used as boot strap
156 	 */
157 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3_CLR,
158 			   0xffff, 0xffff);
159 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3,
160 			   0xffff, 0x0000);
161 	regmap_update_bits(priv->regmap, MT6358_GPIO_DIR0,
162 			   0xf << 12, 0x0);
163 }
164 
165 /* use only when not govern by DAPM */
166 static int mt6358_set_dcxo(struct mt6358_priv *priv, bool enable)
167 {
168 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW14,
169 			   0x1 << RG_XO_AUDIO_EN_M_SFT,
170 			   (enable ? 1 : 0) << RG_XO_AUDIO_EN_M_SFT);
171 	return 0;
172 }
173 
174 /* use only when not govern by DAPM */
175 static int mt6358_set_clksq(struct mt6358_priv *priv, bool enable)
176 {
177 	/* audio clk source from internal dcxo */
178 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
179 			   RG_CLKSQ_IN_SEL_TEST_MASK_SFT,
180 			   0x0);
181 
182 	/* Enable/disable CLKSQ 26MHz */
183 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
184 			   RG_CLKSQ_EN_MASK_SFT,
185 			   (enable ? 1 : 0) << RG_CLKSQ_EN_SFT);
186 	return 0;
187 }
188 
189 /* use only when not govern by DAPM */
190 static int mt6358_set_aud_global_bias(struct mt6358_priv *priv, bool enable)
191 {
192 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
193 			   RG_AUDGLB_PWRDN_VA28_MASK_SFT,
194 			   (enable ? 0 : 1) << RG_AUDGLB_PWRDN_VA28_SFT);
195 	return 0;
196 }
197 
198 /* use only when not govern by DAPM */
199 static int mt6358_set_topck(struct mt6358_priv *priv, bool enable)
200 {
201 	regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
202 			   0x0066, enable ? 0x0 : 0x66);
203 	return 0;
204 }
205 
206 static int mt6358_mtkaif_tx_enable(struct mt6358_priv *priv)
207 {
208 	switch (priv->mtkaif_protocol) {
209 	case MT6358_MTKAIF_PROTOCOL_2_CLK_P2:
210 		/* MTKAIF TX format setting */
211 		regmap_update_bits(priv->regmap,
212 				   MT6358_AFE_ADDA_MTKAIF_CFG0,
213 				   0xffff, 0x0010);
214 		/* enable aud_pad TX fifos */
215 		regmap_update_bits(priv->regmap,
216 				   MT6358_AFE_AUD_PAD_TOP,
217 				   0xff00, 0x3800);
218 		regmap_update_bits(priv->regmap,
219 				   MT6358_AFE_AUD_PAD_TOP,
220 				   0xff00, 0x3900);
221 		break;
222 	case MT6358_MTKAIF_PROTOCOL_2:
223 		/* MTKAIF TX format setting */
224 		regmap_update_bits(priv->regmap,
225 				   MT6358_AFE_ADDA_MTKAIF_CFG0,
226 				   0xffff, 0x0010);
227 		/* enable aud_pad TX fifos */
228 		regmap_update_bits(priv->regmap,
229 				   MT6358_AFE_AUD_PAD_TOP,
230 				   0xff00, 0x3100);
231 		break;
232 	case MT6358_MTKAIF_PROTOCOL_1:
233 	default:
234 		/* MTKAIF TX format setting */
235 		regmap_update_bits(priv->regmap,
236 				   MT6358_AFE_ADDA_MTKAIF_CFG0,
237 				   0xffff, 0x0000);
238 		/* enable aud_pad TX fifos */
239 		regmap_update_bits(priv->regmap,
240 				   MT6358_AFE_AUD_PAD_TOP,
241 				   0xff00, 0x3100);
242 		break;
243 	}
244 	return 0;
245 }
246 
247 static int mt6358_mtkaif_tx_disable(struct mt6358_priv *priv)
248 {
249 	/* disable aud_pad TX fifos */
250 	regmap_update_bits(priv->regmap, MT6358_AFE_AUD_PAD_TOP,
251 			   0xff00, 0x3000);
252 	return 0;
253 }
254 
255 int mt6358_mtkaif_calibration_enable(struct snd_soc_component *cmpnt)
256 {
257 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
258 
259 	playback_gpio_set(priv);
260 	capture_gpio_set(priv);
261 	mt6358_mtkaif_tx_enable(priv);
262 
263 	mt6358_set_dcxo(priv, true);
264 	mt6358_set_aud_global_bias(priv, true);
265 	mt6358_set_clksq(priv, true);
266 	mt6358_set_topck(priv, true);
267 
268 	/* set dat_miso_loopback on */
269 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
270 			   RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
271 			   1 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
272 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
273 			   RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
274 			   1 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
275 	return 0;
276 }
277 EXPORT_SYMBOL_GPL(mt6358_mtkaif_calibration_enable);
278 
279 int mt6358_mtkaif_calibration_disable(struct snd_soc_component *cmpnt)
280 {
281 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
282 
283 	/* set dat_miso_loopback off */
284 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
285 			   RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_MASK_SFT,
286 			   0 << RG_AUD_PAD_TOP_DAT_MISO2_LOOPBACK_SFT);
287 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
288 			   RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_MASK_SFT,
289 			   0 << RG_AUD_PAD_TOP_DAT_MISO_LOOPBACK_SFT);
290 
291 	mt6358_set_topck(priv, false);
292 	mt6358_set_clksq(priv, false);
293 	mt6358_set_aud_global_bias(priv, false);
294 	mt6358_set_dcxo(priv, false);
295 
296 	mt6358_mtkaif_tx_disable(priv);
297 	playback_gpio_reset(priv);
298 	capture_gpio_reset(priv);
299 	return 0;
300 }
301 EXPORT_SYMBOL_GPL(mt6358_mtkaif_calibration_disable);
302 
303 int mt6358_set_mtkaif_calibration_phase(struct snd_soc_component *cmpnt,
304 					int phase_1, int phase_2)
305 {
306 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
307 
308 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
309 			   RG_AUD_PAD_TOP_PHASE_MODE_MASK_SFT,
310 			   phase_1 << RG_AUD_PAD_TOP_PHASE_MODE_SFT);
311 	regmap_update_bits(priv->regmap, MT6358_AUDIO_DIG_CFG,
312 			   RG_AUD_PAD_TOP_PHASE_MODE2_MASK_SFT,
313 			   phase_2 << RG_AUD_PAD_TOP_PHASE_MODE2_SFT);
314 	return 0;
315 }
316 EXPORT_SYMBOL_GPL(mt6358_set_mtkaif_calibration_phase);
317 
318 /* dl pga gain */
319 enum {
320 	DL_GAIN_8DB = 0,
321 	DL_GAIN_0DB = 8,
322 	DL_GAIN_N_1DB = 9,
323 	DL_GAIN_N_10DB = 18,
324 	DL_GAIN_N_40DB = 0x1f,
325 };
326 
327 #define DL_GAIN_N_10DB_REG (DL_GAIN_N_10DB << 7 | DL_GAIN_N_10DB)
328 #define DL_GAIN_N_40DB_REG (DL_GAIN_N_40DB << 7 | DL_GAIN_N_40DB)
329 #define DL_GAIN_REG_MASK 0x0f9f
330 
331 static void hp_zcd_disable(struct mt6358_priv *priv)
332 {
333 	regmap_write(priv->regmap, MT6358_ZCD_CON0, 0x0000);
334 }
335 
336 static void hp_main_output_ramp(struct mt6358_priv *priv, bool up)
337 {
338 	int i, stage;
339 	int target = 7;
340 
341 	/* Enable/Reduce HPL/R main output stage step by step */
342 	for (i = 0; i <= target; i++) {
343 		stage = up ? i : target - i;
344 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
345 				   0x7 << 8, stage << 8);
346 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
347 				   0x7 << 11, stage << 11);
348 		usleep_range(100, 150);
349 	}
350 }
351 
352 static void hp_aux_feedback_loop_gain_ramp(struct mt6358_priv *priv, bool up)
353 {
354 	int i, stage;
355 
356 	/* Reduce HP aux feedback loop gain step by step */
357 	for (i = 0; i <= 0xf; i++) {
358 		stage = up ? i : 0xf - i;
359 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
360 				   0xf << 12, stage << 12);
361 		usleep_range(100, 150);
362 	}
363 }
364 
365 static void hp_pull_down(struct mt6358_priv *priv, bool enable)
366 {
367 	int i;
368 
369 	if (enable) {
370 		for (i = 0x0; i <= 0x6; i++) {
371 			regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
372 					   0x7, i);
373 			usleep_range(600, 700);
374 		}
375 	} else {
376 		for (i = 0x6; i >= 0x1; i--) {
377 			regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
378 					   0x7, i);
379 			usleep_range(600, 700);
380 		}
381 	}
382 }
383 
384 static bool is_valid_hp_pga_idx(int reg_idx)
385 {
386 	return (reg_idx >= DL_GAIN_8DB && reg_idx <= DL_GAIN_N_10DB) ||
387 	       reg_idx == DL_GAIN_N_40DB;
388 }
389 
390 static void headset_volume_ramp(struct mt6358_priv *priv, int from, int to)
391 {
392 	int offset = 0, count = 0, reg_idx;
393 
394 	if (!is_valid_hp_pga_idx(from) || !is_valid_hp_pga_idx(to))
395 		dev_warn(priv->dev, "%s(), volume index is not valid, from %d, to %d\n",
396 			 __func__, from, to);
397 
398 	dev_info(priv->dev, "%s(), from %d, to %d\n",
399 		 __func__, from, to);
400 
401 	if (to > from)
402 		offset = to - from;
403 	else
404 		offset = from - to;
405 
406 	while (offset >= 0) {
407 		if (to > from)
408 			reg_idx = from + count;
409 		else
410 			reg_idx = from - count;
411 
412 		if (is_valid_hp_pga_idx(reg_idx)) {
413 			regmap_update_bits(priv->regmap,
414 					   MT6358_ZCD_CON2,
415 					   DL_GAIN_REG_MASK,
416 					   (reg_idx << 7) | reg_idx);
417 			usleep_range(200, 300);
418 		}
419 		offset--;
420 		count++;
421 	}
422 }
423 
424 static int mt6358_put_volsw(struct snd_kcontrol *kcontrol,
425 			    struct snd_ctl_elem_value *ucontrol)
426 {
427 	struct snd_soc_component *component =
428 			snd_soc_kcontrol_component(kcontrol);
429 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(component);
430 	struct soc_mixer_control *mc =
431 			(struct soc_mixer_control *)kcontrol->private_value;
432 	unsigned int reg;
433 	int ret;
434 
435 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
436 	if (ret < 0)
437 		return ret;
438 
439 	switch (mc->reg) {
440 	case MT6358_ZCD_CON2:
441 		regmap_read(priv->regmap, MT6358_ZCD_CON2, &reg);
442 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL] =
443 			(reg >> RG_AUDHPLGAIN_SFT) & RG_AUDHPLGAIN_MASK;
444 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTR] =
445 			(reg >> RG_AUDHPRGAIN_SFT) & RG_AUDHPRGAIN_MASK;
446 		break;
447 	case MT6358_ZCD_CON1:
448 		regmap_read(priv->regmap, MT6358_ZCD_CON1, &reg);
449 		priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTL] =
450 			(reg >> RG_AUDLOLGAIN_SFT) & RG_AUDLOLGAIN_MASK;
451 		priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTR] =
452 			(reg >> RG_AUDLORGAIN_SFT) & RG_AUDLORGAIN_MASK;
453 		break;
454 	case MT6358_ZCD_CON3:
455 		regmap_read(priv->regmap, MT6358_ZCD_CON3, &reg);
456 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTL] =
457 			(reg >> RG_AUDHSGAIN_SFT) & RG_AUDHSGAIN_MASK;
458 		priv->ana_gain[AUDIO_ANALOG_VOLUME_HSOUTR] =
459 			(reg >> RG_AUDHSGAIN_SFT) & RG_AUDHSGAIN_MASK;
460 		break;
461 	case MT6358_AUDENC_ANA_CON0:
462 	case MT6358_AUDENC_ANA_CON1:
463 		regmap_read(priv->regmap, MT6358_AUDENC_ANA_CON0, &reg);
464 		priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP1] =
465 			(reg >> RG_AUDPREAMPLGAIN_SFT) & RG_AUDPREAMPLGAIN_MASK;
466 		regmap_read(priv->regmap, MT6358_AUDENC_ANA_CON1, &reg);
467 		priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP2] =
468 			(reg >> RG_AUDPREAMPRGAIN_SFT) & RG_AUDPREAMPRGAIN_MASK;
469 		break;
470 	}
471 
472 	return ret;
473 }
474 
475 static void mt6358_restore_pga(struct mt6358_priv *priv);
476 
477 static int mt6358_enable_wov_phase2(struct mt6358_priv *priv)
478 {
479 	/* analog */
480 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
481 			   0xffff, 0x0000);
482 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
483 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
484 			   0xffff, 0x0800);
485 	mt6358_restore_pga(priv);
486 
487 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9929);
488 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
489 			   0xffff, 0x0025);
490 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
491 			   0xffff, 0x0005);
492 
493 	/* digital */
494 	regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
495 			   0xffff, 0x0000);
496 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x0120);
497 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0xffff);
498 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0200);
499 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2424);
500 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xdbac);
501 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x029e);
502 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0000);
503 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
504 			   0xffff, 0x0000);
505 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
506 			   0xffff, 0x0451);
507 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0x68d1);
508 
509 	return 0;
510 }
511 
512 static int mt6358_disable_wov_phase2(struct mt6358_priv *priv)
513 {
514 	/* digital */
515 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_TOP, 0xffff, 0xc000);
516 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_HPF_CFG0,
517 			   0xffff, 0x0450);
518 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_POSDIV_CFG0,
519 			   0xffff, 0x0c00);
520 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG5, 0xffff, 0x0100);
521 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG4, 0xffff, 0x006c);
522 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG3, 0xffff, 0xa879);
523 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG2, 0xffff, 0x2323);
524 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG1, 0xffff, 0x0400);
525 	regmap_update_bits(priv->regmap, MT6358_AFE_VOW_CFG0, 0xffff, 0x0000);
526 	regmap_update_bits(priv->regmap, MT6358_GPIO_MODE3, 0xffff, 0x02d8);
527 	regmap_update_bits(priv->regmap, MT6358_AUD_TOP_CKPDN_CON0,
528 			   0xffff, 0x0000);
529 
530 	/* analog */
531 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON8,
532 			   0xffff, 0x0004);
533 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
534 			   0xffff, 0x0000);
535 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW13, 0xffff, 0x9829);
536 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
537 			   0xffff, 0x0000);
538 	mt6358_restore_pga(priv);
539 	regmap_update_bits(priv->regmap, MT6358_DCXO_CW14, 0xffff, 0xa2b5);
540 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
541 			   0xffff, 0x0010);
542 
543 	return 0;
544 }
545 
546 static int mt6358_get_wov(struct snd_kcontrol *kcontrol,
547 			  struct snd_ctl_elem_value *ucontrol)
548 {
549 	struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
550 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
551 
552 	ucontrol->value.integer.value[0] = priv->wov_enabled;
553 	return 0;
554 }
555 
556 static int mt6358_put_wov(struct snd_kcontrol *kcontrol,
557 			  struct snd_ctl_elem_value *ucontrol)
558 {
559 	struct snd_soc_component *c = snd_soc_kcontrol_component(kcontrol);
560 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(c);
561 	int enabled = ucontrol->value.integer.value[0];
562 
563 	if (priv->wov_enabled != enabled) {
564 		if (enabled)
565 			mt6358_enable_wov_phase2(priv);
566 		else
567 			mt6358_disable_wov_phase2(priv);
568 
569 		priv->wov_enabled = enabled;
570 	}
571 
572 	return 0;
573 }
574 
575 static const DECLARE_TLV_DB_SCALE(playback_tlv, -1000, 100, 0);
576 static const DECLARE_TLV_DB_SCALE(pga_tlv, 0, 600, 0);
577 
578 static const struct snd_kcontrol_new mt6358_snd_controls[] = {
579 	/* dl pga gain */
580 	SOC_DOUBLE_EXT_TLV("Headphone Volume",
581 			   MT6358_ZCD_CON2, 0, 7, 0x12, 1,
582 			   snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
583 	SOC_DOUBLE_EXT_TLV("Lineout Volume",
584 			   MT6358_ZCD_CON1, 0, 7, 0x12, 1,
585 			   snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
586 	SOC_SINGLE_EXT_TLV("Handset Volume",
587 			   MT6358_ZCD_CON3, 0, 0x12, 1,
588 			   snd_soc_get_volsw, mt6358_put_volsw, playback_tlv),
589 	/* ul pga gain */
590 	SOC_DOUBLE_R_EXT_TLV("PGA Volume",
591 			     MT6358_AUDENC_ANA_CON0, MT6358_AUDENC_ANA_CON1,
592 			     8, 4, 0,
593 			     snd_soc_get_volsw, mt6358_put_volsw, pga_tlv),
594 
595 	SOC_SINGLE_BOOL_EXT("Wake-on-Voice Phase2 Switch", 0,
596 			    mt6358_get_wov, mt6358_put_wov),
597 };
598 
599 /* MUX */
600 /* LOL MUX */
601 static const char * const lo_in_mux_map[] = {
602 	"Open", "Mute", "Playback", "Test Mode"
603 };
604 
605 static int lo_in_mux_map_value[] = {
606 	0x0, 0x1, 0x2, 0x3,
607 };
608 
609 static SOC_VALUE_ENUM_SINGLE_DECL(lo_in_mux_map_enum,
610 				  MT6358_AUDDEC_ANA_CON7,
611 				  RG_AUDLOLMUXINPUTSEL_VAUDP15_SFT,
612 				  RG_AUDLOLMUXINPUTSEL_VAUDP15_MASK,
613 				  lo_in_mux_map,
614 				  lo_in_mux_map_value);
615 
616 static const struct snd_kcontrol_new lo_in_mux_control =
617 	SOC_DAPM_ENUM("In Select", lo_in_mux_map_enum);
618 
619 /*HP MUX */
620 enum {
621 	HP_MUX_OPEN = 0,
622 	HP_MUX_HPSPK,
623 	HP_MUX_HP,
624 	HP_MUX_TEST_MODE,
625 	HP_MUX_HP_IMPEDANCE,
626 	HP_MUX_MASK = 0x7,
627 };
628 
629 static const char * const hp_in_mux_map[] = {
630 	"Open",
631 	"LoudSPK Playback",
632 	"Audio Playback",
633 	"Test Mode",
634 	"HP Impedance",
635 	"undefined1",
636 	"undefined2",
637 	"undefined3",
638 };
639 
640 static int hp_in_mux_map_value[] = {
641 	HP_MUX_OPEN,
642 	HP_MUX_HPSPK,
643 	HP_MUX_HP,
644 	HP_MUX_TEST_MODE,
645 	HP_MUX_HP_IMPEDANCE,
646 	HP_MUX_OPEN,
647 	HP_MUX_OPEN,
648 	HP_MUX_OPEN,
649 };
650 
651 static SOC_VALUE_ENUM_SINGLE_DECL(hpl_in_mux_map_enum,
652 				  SND_SOC_NOPM,
653 				  0,
654 				  HP_MUX_MASK,
655 				  hp_in_mux_map,
656 				  hp_in_mux_map_value);
657 
658 static const struct snd_kcontrol_new hpl_in_mux_control =
659 	SOC_DAPM_ENUM("HPL Select", hpl_in_mux_map_enum);
660 
661 static SOC_VALUE_ENUM_SINGLE_DECL(hpr_in_mux_map_enum,
662 				  SND_SOC_NOPM,
663 				  0,
664 				  HP_MUX_MASK,
665 				  hp_in_mux_map,
666 				  hp_in_mux_map_value);
667 
668 static const struct snd_kcontrol_new hpr_in_mux_control =
669 	SOC_DAPM_ENUM("HPR Select", hpr_in_mux_map_enum);
670 
671 /* RCV MUX */
672 enum {
673 	RCV_MUX_OPEN = 0,
674 	RCV_MUX_MUTE,
675 	RCV_MUX_VOICE_PLAYBACK,
676 	RCV_MUX_TEST_MODE,
677 	RCV_MUX_MASK = 0x3,
678 };
679 
680 static const char * const rcv_in_mux_map[] = {
681 	"Open", "Mute", "Voice Playback", "Test Mode"
682 };
683 
684 static int rcv_in_mux_map_value[] = {
685 	RCV_MUX_OPEN,
686 	RCV_MUX_MUTE,
687 	RCV_MUX_VOICE_PLAYBACK,
688 	RCV_MUX_TEST_MODE,
689 };
690 
691 static SOC_VALUE_ENUM_SINGLE_DECL(rcv_in_mux_map_enum,
692 				  SND_SOC_NOPM,
693 				  0,
694 				  RCV_MUX_MASK,
695 				  rcv_in_mux_map,
696 				  rcv_in_mux_map_value);
697 
698 static const struct snd_kcontrol_new rcv_in_mux_control =
699 	SOC_DAPM_ENUM("RCV Select", rcv_in_mux_map_enum);
700 
701 /* DAC In MUX */
702 static const char * const dac_in_mux_map[] = {
703 	"Normal Path", "Sgen"
704 };
705 
706 static int dac_in_mux_map_value[] = {
707 	0x0, 0x1,
708 };
709 
710 static SOC_VALUE_ENUM_SINGLE_DECL(dac_in_mux_map_enum,
711 				  MT6358_AFE_TOP_CON0,
712 				  DL_SINE_ON_SFT,
713 				  DL_SINE_ON_MASK,
714 				  dac_in_mux_map,
715 				  dac_in_mux_map_value);
716 
717 static const struct snd_kcontrol_new dac_in_mux_control =
718 	SOC_DAPM_ENUM("DAC Select", dac_in_mux_map_enum);
719 
720 /* AIF Out MUX */
721 static SOC_VALUE_ENUM_SINGLE_DECL(aif_out_mux_map_enum,
722 				  MT6358_AFE_TOP_CON0,
723 				  UL_SINE_ON_SFT,
724 				  UL_SINE_ON_MASK,
725 				  dac_in_mux_map,
726 				  dac_in_mux_map_value);
727 
728 static const struct snd_kcontrol_new aif_out_mux_control =
729 	SOC_DAPM_ENUM("AIF Out Select", aif_out_mux_map_enum);
730 
731 /* Mic Type MUX */
732 enum {
733 	MIC_TYPE_MUX_IDLE = 0,
734 	MIC_TYPE_MUX_ACC,
735 	MIC_TYPE_MUX_DMIC,
736 	MIC_TYPE_MUX_DCC,
737 	MIC_TYPE_MUX_DCC_ECM_DIFF,
738 	MIC_TYPE_MUX_DCC_ECM_SINGLE,
739 	MIC_TYPE_MUX_MASK = 0x7,
740 };
741 
742 #define IS_DCC_BASE(type) ((type) == MIC_TYPE_MUX_DCC || \
743 			(type) == MIC_TYPE_MUX_DCC_ECM_DIFF || \
744 			(type) == MIC_TYPE_MUX_DCC_ECM_SINGLE)
745 
746 static const char * const mic_type_mux_map[] = {
747 	"Idle",
748 	"ACC",
749 	"DMIC",
750 	"DCC",
751 	"DCC_ECM_DIFF",
752 	"DCC_ECM_SINGLE",
753 };
754 
755 static int mic_type_mux_map_value[] = {
756 	MIC_TYPE_MUX_IDLE,
757 	MIC_TYPE_MUX_ACC,
758 	MIC_TYPE_MUX_DMIC,
759 	MIC_TYPE_MUX_DCC,
760 	MIC_TYPE_MUX_DCC_ECM_DIFF,
761 	MIC_TYPE_MUX_DCC_ECM_SINGLE,
762 };
763 
764 static SOC_VALUE_ENUM_SINGLE_DECL(mic_type_mux_map_enum,
765 				  SND_SOC_NOPM,
766 				  0,
767 				  MIC_TYPE_MUX_MASK,
768 				  mic_type_mux_map,
769 				  mic_type_mux_map_value);
770 
771 static const struct snd_kcontrol_new mic_type_mux_control =
772 	SOC_DAPM_ENUM("Mic Type Select", mic_type_mux_map_enum);
773 
774 /* ADC L MUX */
775 enum {
776 	ADC_MUX_IDLE = 0,
777 	ADC_MUX_AIN0,
778 	ADC_MUX_PREAMPLIFIER,
779 	ADC_MUX_IDLE1,
780 	ADC_MUX_MASK = 0x3,
781 };
782 
783 static const char * const adc_left_mux_map[] = {
784 	"Idle", "AIN0", "Left Preamplifier", "Idle_1"
785 };
786 
787 static int adc_mux_map_value[] = {
788 	ADC_MUX_IDLE,
789 	ADC_MUX_AIN0,
790 	ADC_MUX_PREAMPLIFIER,
791 	ADC_MUX_IDLE1,
792 };
793 
794 static SOC_VALUE_ENUM_SINGLE_DECL(adc_left_mux_map_enum,
795 				  SND_SOC_NOPM,
796 				  0,
797 				  ADC_MUX_MASK,
798 				  adc_left_mux_map,
799 				  adc_mux_map_value);
800 
801 static const struct snd_kcontrol_new adc_left_mux_control =
802 	SOC_DAPM_ENUM("ADC L Select", adc_left_mux_map_enum);
803 
804 /* ADC R MUX */
805 static const char * const adc_right_mux_map[] = {
806 	"Idle", "AIN0", "Right Preamplifier", "Idle_1"
807 };
808 
809 static SOC_VALUE_ENUM_SINGLE_DECL(adc_right_mux_map_enum,
810 				  SND_SOC_NOPM,
811 				  0,
812 				  ADC_MUX_MASK,
813 				  adc_right_mux_map,
814 				  adc_mux_map_value);
815 
816 static const struct snd_kcontrol_new adc_right_mux_control =
817 	SOC_DAPM_ENUM("ADC R Select", adc_right_mux_map_enum);
818 
819 /* PGA L MUX */
820 enum {
821 	PGA_MUX_NONE = 0,
822 	PGA_MUX_AIN0,
823 	PGA_MUX_AIN1,
824 	PGA_MUX_AIN2,
825 	PGA_MUX_MASK = 0x3,
826 };
827 
828 static const char * const pga_mux_map[] = {
829 	"None", "AIN0", "AIN1", "AIN2"
830 };
831 
832 static int pga_mux_map_value[] = {
833 	PGA_MUX_NONE,
834 	PGA_MUX_AIN0,
835 	PGA_MUX_AIN1,
836 	PGA_MUX_AIN2,
837 };
838 
839 static SOC_VALUE_ENUM_SINGLE_DECL(pga_left_mux_map_enum,
840 				  SND_SOC_NOPM,
841 				  0,
842 				  PGA_MUX_MASK,
843 				  pga_mux_map,
844 				  pga_mux_map_value);
845 
846 static const struct snd_kcontrol_new pga_left_mux_control =
847 	SOC_DAPM_ENUM("PGA L Select", pga_left_mux_map_enum);
848 
849 /* PGA R MUX */
850 static SOC_VALUE_ENUM_SINGLE_DECL(pga_right_mux_map_enum,
851 				  SND_SOC_NOPM,
852 				  0,
853 				  PGA_MUX_MASK,
854 				  pga_mux_map,
855 				  pga_mux_map_value);
856 
857 static const struct snd_kcontrol_new pga_right_mux_control =
858 	SOC_DAPM_ENUM("PGA R Select", pga_right_mux_map_enum);
859 
860 static int mt_clksq_event(struct snd_soc_dapm_widget *w,
861 			  struct snd_kcontrol *kcontrol,
862 			  int event)
863 {
864 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
865 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
866 
867 	dev_dbg(priv->dev, "%s(), event = 0x%x\n", __func__, event);
868 
869 	switch (event) {
870 	case SND_SOC_DAPM_PRE_PMU:
871 		/* audio clk source from internal dcxo */
872 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON6,
873 				   RG_CLKSQ_IN_SEL_TEST_MASK_SFT,
874 				   0x0);
875 		break;
876 	default:
877 		break;
878 	}
879 
880 	return 0;
881 }
882 
883 static int mt_sgen_event(struct snd_soc_dapm_widget *w,
884 			 struct snd_kcontrol *kcontrol,
885 			 int event)
886 {
887 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
888 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
889 
890 	dev_dbg(priv->dev, "%s(), event = 0x%x\n", __func__, event);
891 
892 	switch (event) {
893 	case SND_SOC_DAPM_PRE_PMU:
894 		/* sdm audio fifo clock power on */
895 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0006);
896 		/* scrambler clock on enable */
897 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xCBA1);
898 		/* sdm power on */
899 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0003);
900 		/* sdm fifo enable */
901 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x000B);
902 
903 		regmap_update_bits(priv->regmap, MT6358_AFE_SGEN_CFG0,
904 				   0xff3f,
905 				   0x0000);
906 		regmap_update_bits(priv->regmap, MT6358_AFE_SGEN_CFG1,
907 				   0xffff,
908 				   0x0001);
909 		break;
910 	case SND_SOC_DAPM_POST_PMD:
911 		/* DL scrambler disabling sequence */
912 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0000);
913 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xcba0);
914 		break;
915 	default:
916 		break;
917 	}
918 
919 	return 0;
920 }
921 
922 static int mt_aif_in_event(struct snd_soc_dapm_widget *w,
923 			   struct snd_kcontrol *kcontrol,
924 			   int event)
925 {
926 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
927 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
928 
929 	dev_info(priv->dev, "%s(), event 0x%x, rate %d\n",
930 		 __func__, event, priv->dl_rate);
931 
932 	switch (event) {
933 	case SND_SOC_DAPM_PRE_PMU:
934 		playback_gpio_set(priv);
935 
936 		/* sdm audio fifo clock power on */
937 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0006);
938 		/* scrambler clock on enable */
939 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xCBA1);
940 		/* sdm power on */
941 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0003);
942 		/* sdm fifo enable */
943 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x000B);
944 		break;
945 	case SND_SOC_DAPM_POST_PMD:
946 		/* DL scrambler disabling sequence */
947 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON2, 0x0000);
948 		regmap_write(priv->regmap, MT6358_AFUNC_AUD_CON0, 0xcba0);
949 
950 		playback_gpio_reset(priv);
951 		break;
952 	default:
953 		break;
954 	}
955 
956 	return 0;
957 }
958 
959 static int mtk_hp_enable(struct mt6358_priv *priv)
960 {
961 	/* Pull-down HPL/R to AVSS28_AUD */
962 	hp_pull_down(priv, true);
963 	/* release HP CMFB gate rstb */
964 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
965 			   0x1 << 6, 0x1 << 6);
966 
967 	/* Reduce ESD resistance of AU_REFN */
968 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
969 
970 	/* Set HPR/HPL gain as minimum (~ -40dB) */
971 	regmap_write(priv->regmap, MT6358_ZCD_CON2, DL_GAIN_N_40DB_REG);
972 
973 	/* Turn on DA_600K_NCP_VA18 */
974 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
975 	/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
976 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
977 	/* Toggle RG_DIVCKS_CHG */
978 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
979 	/* Set NCP soft start mode as default mode: 100us */
980 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
981 	/* Enable NCP */
982 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
983 	usleep_range(250, 270);
984 
985 	/* Enable cap-less LDOs (1.5V) */
986 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
987 			   0x1055, 0x1055);
988 	/* Enable NV regulator (-1.2V) */
989 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
990 	usleep_range(100, 120);
991 
992 	/* Disable AUD_ZCD */
993 	hp_zcd_disable(priv);
994 
995 	/* Disable headphone short-circuit protection */
996 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3000);
997 
998 	/* Enable IBIST */
999 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1000 
1001 	/* Set HP DR bias current optimization, 010: 6uA */
1002 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
1003 	/* Set HP & ZCD bias current optimization */
1004 	/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
1005 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1006 	/* Set HPP/N STB enhance circuits */
1007 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4033);
1008 
1009 	/* Enable HP aux output stage */
1010 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x000c);
1011 	/* Enable HP aux feedback loop */
1012 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x003c);
1013 	/* Enable HP aux CMFB loop */
1014 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0c00);
1015 	/* Enable HP driver bias circuits */
1016 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30c0);
1017 	/* Enable HP driver core circuits */
1018 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30f0);
1019 	/* Short HP main output to HP aux output stage */
1020 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x00fc);
1021 
1022 	/* Enable HP main CMFB loop */
1023 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0e00);
1024 	/* Disable HP aux CMFB loop */
1025 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0200);
1026 
1027 	/* Select CMFB resistor bulk to AC mode */
1028 	/* Selec HS/LO cap size (6.5pF default) */
1029 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON10, 0x0000);
1030 
1031 	/* Enable HP main output stage */
1032 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x00ff);
1033 	/* Enable HPR/L main output stage step by step */
1034 	hp_main_output_ramp(priv, true);
1035 
1036 	/* Reduce HP aux feedback loop gain */
1037 	hp_aux_feedback_loop_gain_ramp(priv, true);
1038 	/* Disable HP aux feedback loop */
1039 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fcf);
1040 
1041 	/* apply volume setting */
1042 	headset_volume_ramp(priv,
1043 			    DL_GAIN_N_10DB,
1044 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL]);
1045 
1046 	/* Disable HP aux output stage */
1047 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fc3);
1048 	/* Unshort HP main output to HP aux output stage */
1049 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3f03);
1050 	usleep_range(100, 120);
1051 
1052 	/* Enable AUD_CLK */
1053 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x1);
1054 	/* Enable Audio DAC  */
1055 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30ff);
1056 	/* Enable low-noise mode of DAC */
1057 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0xf201);
1058 	usleep_range(100, 120);
1059 
1060 	/* Switch HPL MUX to audio DAC */
1061 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x32ff);
1062 	/* Switch HPR MUX to audio DAC */
1063 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3aff);
1064 
1065 	/* Disable Pull-down HPL/R to AVSS28_AUD */
1066 	hp_pull_down(priv, false);
1067 
1068 	return 0;
1069 }
1070 
1071 static int mtk_hp_disable(struct mt6358_priv *priv)
1072 {
1073 	/* Pull-down HPL/R to AVSS28_AUD */
1074 	hp_pull_down(priv, true);
1075 
1076 	/* HPR/HPL mux to open */
1077 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1078 			   0x0f00, 0x0000);
1079 
1080 	/* Disable low-noise mode of DAC */
1081 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1082 			   0x0001, 0x0000);
1083 
1084 	/* Disable Audio DAC */
1085 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1086 			   0x000f, 0x0000);
1087 
1088 	/* Disable AUD_CLK */
1089 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x0);
1090 
1091 	/* Short HP main output to HP aux output stage */
1092 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fc3);
1093 	/* Enable HP aux output stage */
1094 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fcf);
1095 
1096 	/* decrease HPL/R gain to normal gain step by step */
1097 	headset_volume_ramp(priv,
1098 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL],
1099 			    DL_GAIN_N_40DB);
1100 
1101 	/* Enable HP aux feedback loop */
1102 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fff);
1103 
1104 	/* Reduce HP aux feedback loop gain */
1105 	hp_aux_feedback_loop_gain_ramp(priv, false);
1106 
1107 	/* decrease HPR/L main output stage step by step */
1108 	hp_main_output_ramp(priv, false);
1109 
1110 	/* Disable HP main output stage */
1111 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3, 0x0);
1112 
1113 	/* Enable HP aux CMFB loop */
1114 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0e00);
1115 
1116 	/* Disable HP main CMFB loop */
1117 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0c00);
1118 
1119 	/* Unshort HP main output to HP aux output stage */
1120 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
1121 			   0x3 << 6, 0x0);
1122 
1123 	/* Disable HP driver core circuits */
1124 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1125 			   0x3 << 4, 0x0);
1126 
1127 	/* Disable HP driver bias circuits */
1128 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1129 			   0x3 << 6, 0x0);
1130 
1131 	/* Disable HP aux CMFB loop */
1132 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0000);
1133 
1134 	/* Disable HP aux feedback loop */
1135 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
1136 			   0x3 << 4, 0x0);
1137 
1138 	/* Disable HP aux output stage */
1139 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1,
1140 			   0x3 << 2, 0x0);
1141 
1142 	/* Disable IBIST */
1143 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON12,
1144 			   0x1 << 8, 0x1 << 8);
1145 
1146 	/* Disable NV regulator (-1.2V) */
1147 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x1, 0x0);
1148 	/* Disable cap-less LDOs (1.5V) */
1149 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1150 			   0x1055, 0x0);
1151 	/* Disable NCP */
1152 	regmap_update_bits(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3,
1153 			   0x1, 0x1);
1154 
1155 	/* Increase ESD resistance of AU_REFN */
1156 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON2,
1157 			   0x1 << 14, 0x0);
1158 
1159 	/* Set HP CMFB gate rstb */
1160 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
1161 			   0x1 << 6, 0x0);
1162 	/* disable Pull-down HPL/R to AVSS28_AUD */
1163 	hp_pull_down(priv, false);
1164 
1165 	return 0;
1166 }
1167 
1168 static int mtk_hp_spk_enable(struct mt6358_priv *priv)
1169 {
1170 	/* Pull-down HPL/R to AVSS28_AUD */
1171 	hp_pull_down(priv, true);
1172 	/* release HP CMFB gate rstb */
1173 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
1174 			   0x1 << 6, 0x1 << 6);
1175 
1176 	/* Reduce ESD resistance of AU_REFN */
1177 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
1178 
1179 	/* Set HPR/HPL gain to -10dB */
1180 	regmap_write(priv->regmap, MT6358_ZCD_CON2, DL_GAIN_N_10DB_REG);
1181 
1182 	/* Turn on DA_600K_NCP_VA18 */
1183 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
1184 	/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
1185 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
1186 	/* Toggle RG_DIVCKS_CHG */
1187 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
1188 	/* Set NCP soft start mode as default mode: 100us */
1189 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
1190 	/* Enable NCP */
1191 	regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
1192 	usleep_range(250, 270);
1193 
1194 	/* Enable cap-less LDOs (1.5V) */
1195 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1196 			   0x1055, 0x1055);
1197 	/* Enable NV regulator (-1.2V) */
1198 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
1199 	usleep_range(100, 120);
1200 
1201 	/* Disable AUD_ZCD */
1202 	hp_zcd_disable(priv);
1203 
1204 	/* Disable headphone short-circuit protection */
1205 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x3000);
1206 
1207 	/* Enable IBIST */
1208 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1209 
1210 	/* Set HP DR bias current optimization, 010: 6uA */
1211 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
1212 	/* Set HP & ZCD bias current optimization */
1213 	/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
1214 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1215 	/* Set HPP/N STB enhance circuits */
1216 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4033);
1217 
1218 	/* Disable Pull-down HPL/R to AVSS28_AUD */
1219 	hp_pull_down(priv, false);
1220 
1221 	/* Enable HP driver bias circuits */
1222 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30c0);
1223 	/* Enable HP driver core circuits */
1224 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30f0);
1225 	/* Enable HP main CMFB loop */
1226 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0200);
1227 
1228 	/* Select CMFB resistor bulk to AC mode */
1229 	/* Selec HS/LO cap size (6.5pF default) */
1230 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON10, 0x0000);
1231 
1232 	/* Enable HP main output stage */
1233 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x0003);
1234 	/* Enable HPR/L main output stage step by step */
1235 	hp_main_output_ramp(priv, true);
1236 
1237 	/* Set LO gain as minimum (~ -40dB) */
1238 	regmap_write(priv->regmap, MT6358_ZCD_CON1, DL_GAIN_N_40DB_REG);
1239 	/* apply volume setting */
1240 	headset_volume_ramp(priv,
1241 			    DL_GAIN_N_10DB,
1242 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL]);
1243 
1244 	/* Set LO STB enhance circuits */
1245 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x0110);
1246 	/* Enable LO driver bias circuits */
1247 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x0112);
1248 	/* Enable LO driver core circuits */
1249 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x0113);
1250 
1251 	/* Set LOL gain to normal gain step by step */
1252 	regmap_update_bits(priv->regmap, MT6358_ZCD_CON1,
1253 			   RG_AUDLOLGAIN_MASK_SFT,
1254 			   priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTL] <<
1255 			   RG_AUDLOLGAIN_SFT);
1256 	regmap_update_bits(priv->regmap, MT6358_ZCD_CON1,
1257 			   RG_AUDLORGAIN_MASK_SFT,
1258 			   priv->ana_gain[AUDIO_ANALOG_VOLUME_LINEOUTR] <<
1259 			   RG_AUDLORGAIN_SFT);
1260 
1261 	/* Enable AUD_CLK */
1262 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x1);
1263 	/* Enable Audio DAC  */
1264 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x30f9);
1265 	/* Enable low-noise mode of DAC */
1266 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0201);
1267 	/* Switch LOL MUX to audio DAC */
1268 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON7, 0x011b);
1269 	/* Switch HPL/R MUX to Line-out */
1270 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x35f9);
1271 
1272 	return 0;
1273 }
1274 
1275 static int mtk_hp_spk_disable(struct mt6358_priv *priv)
1276 {
1277 	/* HPR/HPL mux to open */
1278 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1279 			   0x0f00, 0x0000);
1280 	/* LOL mux to open */
1281 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
1282 			   0x3 << 2, 0x0000);
1283 
1284 	/* Disable Audio DAC */
1285 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1286 			   0x000f, 0x0000);
1287 
1288 	/* Disable AUD_CLK */
1289 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13, 0x1, 0x0);
1290 
1291 	/* decrease HPL/R gain to normal gain step by step */
1292 	headset_volume_ramp(priv,
1293 			    priv->ana_gain[AUDIO_ANALOG_VOLUME_HPOUTL],
1294 			    DL_GAIN_N_40DB);
1295 
1296 	/* decrease LOL gain to minimum gain step by step */
1297 	regmap_update_bits(priv->regmap, MT6358_ZCD_CON1,
1298 			   DL_GAIN_REG_MASK, DL_GAIN_N_40DB_REG);
1299 
1300 	/* decrease HPR/L main output stage step by step */
1301 	hp_main_output_ramp(priv, false);
1302 
1303 	/* Disable HP main output stage */
1304 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3, 0x0);
1305 
1306 	/* Short HP main output to HP aux output stage */
1307 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fc3);
1308 	/* Enable HP aux output stage */
1309 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fcf);
1310 
1311 	/* Enable HP aux feedback loop */
1312 	regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON1, 0x3fff);
1313 
1314 	/* Reduce HP aux feedback loop gain */
1315 	hp_aux_feedback_loop_gain_ramp(priv, false);
1316 
1317 	/* Disable HP driver core circuits */
1318 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1319 			   0x3 << 4, 0x0);
1320 	/* Disable LO driver core circuits */
1321 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
1322 			   0x1, 0x0);
1323 
1324 	/* Disable HP driver bias circuits */
1325 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1326 			   0x3 << 6, 0x0);
1327 	/* Disable LO driver bias circuits */
1328 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
1329 			   0x1 << 1, 0x0);
1330 
1331 	/* Disable HP aux CMFB loop */
1332 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1333 			   0xff << 8, 0x0000);
1334 
1335 	/* Disable IBIST */
1336 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON12,
1337 			   0x1 << 8, 0x1 << 8);
1338 	/* Disable NV regulator (-1.2V) */
1339 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x1, 0x0);
1340 	/* Disable cap-less LDOs (1.5V) */
1341 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14, 0x1055, 0x0);
1342 	/* Disable NCP */
1343 	regmap_update_bits(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x1, 0x1);
1344 
1345 	/* Set HP CMFB gate rstb */
1346 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON4,
1347 			   0x1 << 6, 0x0);
1348 	/* disable Pull-down HPL/R to AVSS28_AUD */
1349 	hp_pull_down(priv, false);
1350 
1351 	return 0;
1352 }
1353 
1354 static int mt_hp_event(struct snd_soc_dapm_widget *w,
1355 		       struct snd_kcontrol *kcontrol,
1356 		       int event)
1357 {
1358 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1359 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1360 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1361 	int device = DEVICE_HP;
1362 
1363 	dev_info(priv->dev, "%s(), event 0x%x, dev_counter[DEV_HP] %d, mux %u\n",
1364 		 __func__,
1365 		 event,
1366 		 priv->dev_counter[device],
1367 		 mux);
1368 
1369 	switch (event) {
1370 	case SND_SOC_DAPM_PRE_PMU:
1371 		priv->dev_counter[device]++;
1372 		if (priv->dev_counter[device] > 1)
1373 			break;	/* already enabled, do nothing */
1374 		else if (priv->dev_counter[device] <= 0)
1375 			dev_warn(priv->dev, "%s(), dev_counter[DEV_HP] %d <= 0\n",
1376 				 __func__,
1377 				 priv->dev_counter[device]);
1378 
1379 		priv->mux_select[MUX_HP_L] = mux;
1380 
1381 		if (mux == HP_MUX_HP)
1382 			mtk_hp_enable(priv);
1383 		else if (mux == HP_MUX_HPSPK)
1384 			mtk_hp_spk_enable(priv);
1385 		break;
1386 	case SND_SOC_DAPM_PRE_PMD:
1387 		priv->dev_counter[device]--;
1388 		if (priv->dev_counter[device] > 0) {
1389 			break;	/* still being used, don't close */
1390 		} else if (priv->dev_counter[device] < 0) {
1391 			dev_warn(priv->dev, "%s(), dev_counter[DEV_HP] %d < 0\n",
1392 				 __func__,
1393 				 priv->dev_counter[device]);
1394 			priv->dev_counter[device] = 0;
1395 			break;
1396 		}
1397 
1398 		if (priv->mux_select[MUX_HP_L] == HP_MUX_HP)
1399 			mtk_hp_disable(priv);
1400 		else if (priv->mux_select[MUX_HP_L] == HP_MUX_HPSPK)
1401 			mtk_hp_spk_disable(priv);
1402 
1403 		priv->mux_select[MUX_HP_L] = mux;
1404 		break;
1405 	default:
1406 		break;
1407 	}
1408 
1409 	return 0;
1410 }
1411 
1412 static int mt_rcv_event(struct snd_soc_dapm_widget *w,
1413 			struct snd_kcontrol *kcontrol,
1414 			int event)
1415 {
1416 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1417 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1418 
1419 	dev_info(priv->dev, "%s(), event 0x%x, mux %u\n",
1420 		 __func__,
1421 		 event,
1422 		 dapm_kcontrol_get_value(w->kcontrols[0]));
1423 
1424 	switch (event) {
1425 	case SND_SOC_DAPM_PRE_PMU:
1426 		/* Reduce ESD resistance of AU_REFN */
1427 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON2, 0x4000);
1428 
1429 		/* Turn on DA_600K_NCP_VA18 */
1430 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON1, 0x0001);
1431 		/* Set NCP clock as 604kHz // 26MHz/43 = 604KHz */
1432 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON2, 0x002c);
1433 		/* Toggle RG_DIVCKS_CHG */
1434 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON0, 0x0001);
1435 		/* Set NCP soft start mode as default mode: 100us */
1436 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON4, 0x0003);
1437 		/* Enable NCP */
1438 		regmap_write(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3, 0x0000);
1439 		usleep_range(250, 270);
1440 
1441 		/* Enable cap-less LDOs (1.5V) */
1442 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1443 				   0x1055, 0x1055);
1444 		/* Enable NV regulator (-1.2V) */
1445 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON15, 0x0001);
1446 		usleep_range(100, 120);
1447 
1448 		/* Disable AUD_ZCD */
1449 		hp_zcd_disable(priv);
1450 
1451 		/* Disable handset short-circuit protection */
1452 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0010);
1453 
1454 		/* Enable IBIST */
1455 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1456 		/* Set HP DR bias current optimization, 010: 6uA */
1457 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON11, 0x4900);
1458 		/* Set HP & ZCD bias current optimization */
1459 		/* 01: ZCD: 4uA, HP/HS/LO: 5uA */
1460 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON12, 0x0055);
1461 		/* Set HS STB enhance circuits */
1462 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0090);
1463 
1464 		/* Disable HP main CMFB loop */
1465 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0000);
1466 		/* Select CMFB resistor bulk to AC mode */
1467 		/* Selec HS/LO cap size (6.5pF default) */
1468 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON10, 0x0000);
1469 
1470 		/* Enable HS driver bias circuits */
1471 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0092);
1472 		/* Enable HS driver core circuits */
1473 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x0093);
1474 
1475 		/* Enable AUD_CLK */
1476 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1477 				   0x1, 0x1);
1478 
1479 		/* Enable Audio DAC  */
1480 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON0, 0x0009);
1481 		/* Enable low-noise mode of DAC */
1482 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON9, 0x0001);
1483 		/* Switch HS MUX to audio DAC */
1484 		regmap_write(priv->regmap, MT6358_AUDDEC_ANA_CON6, 0x009b);
1485 		break;
1486 	case SND_SOC_DAPM_PRE_PMD:
1487 		/* HS mux to open */
1488 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
1489 				   RG_AUDHSMUXINPUTSEL_VAUDP15_MASK_SFT,
1490 				   RCV_MUX_OPEN);
1491 
1492 		/* Disable Audio DAC */
1493 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
1494 				   0x000f, 0x0000);
1495 
1496 		/* Disable AUD_CLK */
1497 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1498 				   0x1, 0x0);
1499 
1500 		/* decrease HS gain to minimum gain step by step */
1501 		regmap_write(priv->regmap, MT6358_ZCD_CON3, DL_GAIN_N_40DB);
1502 
1503 		/* Disable HS driver core circuits */
1504 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
1505 				   0x1, 0x0);
1506 
1507 		/* Disable HS driver bias circuits */
1508 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
1509 				   0x1 << 1, 0x0000);
1510 
1511 		/* Disable HP aux CMFB loop */
1512 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1513 				   0xff << 8, 0x0);
1514 
1515 		/* Enable HP main CMFB Switch */
1516 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON9,
1517 				   0xff << 8, 0x2 << 8);
1518 
1519 		/* Disable IBIST */
1520 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON12,
1521 				   0x1 << 8, 0x1 << 8);
1522 
1523 		/* Disable NV regulator (-1.2V) */
1524 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON15,
1525 				   0x1, 0x0);
1526 		/* Disable cap-less LDOs (1.5V) */
1527 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1528 				   0x1055, 0x0);
1529 		/* Disable NCP */
1530 		regmap_update_bits(priv->regmap, MT6358_AUDNCP_CLKDIV_CON3,
1531 				   0x1, 0x1);
1532 		break;
1533 	default:
1534 		break;
1535 	}
1536 
1537 	return 0;
1538 }
1539 
1540 static int mt_aif_out_event(struct snd_soc_dapm_widget *w,
1541 			    struct snd_kcontrol *kcontrol,
1542 			    int event)
1543 {
1544 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1545 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1546 
1547 	dev_dbg(priv->dev, "%s(), event 0x%x, rate %d\n",
1548 		__func__, event, priv->ul_rate);
1549 
1550 	switch (event) {
1551 	case SND_SOC_DAPM_PRE_PMU:
1552 		capture_gpio_set(priv);
1553 		break;
1554 	case SND_SOC_DAPM_POST_PMD:
1555 		capture_gpio_reset(priv);
1556 		break;
1557 	default:
1558 		break;
1559 	}
1560 
1561 	return 0;
1562 }
1563 
1564 static int mt_adc_supply_event(struct snd_soc_dapm_widget *w,
1565 			       struct snd_kcontrol *kcontrol,
1566 			       int event)
1567 {
1568 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1569 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1570 
1571 	dev_dbg(priv->dev, "%s(), event 0x%x\n",
1572 		__func__, event);
1573 
1574 	switch (event) {
1575 	case SND_SOC_DAPM_PRE_PMU:
1576 		/* Enable audio ADC CLKGEN  */
1577 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1578 				   0x1 << 5, 0x1 << 5);
1579 		/* ADC CLK from CLKGEN (13MHz) */
1580 		regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON3,
1581 			     0x0000);
1582 		/* Enable  LCLDO_ENC 1P8V */
1583 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1584 				   0x2500, 0x0100);
1585 		/* LCLDO_ENC remote sense */
1586 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1587 				   0x2500, 0x2500);
1588 		break;
1589 	case SND_SOC_DAPM_POST_PMD:
1590 		/* LCLDO_ENC remote sense off */
1591 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1592 				   0x2500, 0x0100);
1593 		/* disable LCLDO_ENC 1P8V */
1594 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON14,
1595 				   0x2500, 0x0000);
1596 
1597 		/* ADC CLK from CLKGEN (13MHz) */
1598 		regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON3, 0x0000);
1599 		/* disable audio ADC CLKGEN  */
1600 		regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON13,
1601 				   0x1 << 5, 0x0 << 5);
1602 		break;
1603 	default:
1604 		break;
1605 	}
1606 
1607 	return 0;
1608 }
1609 
1610 static int mt6358_amic_enable(struct mt6358_priv *priv)
1611 {
1612 	unsigned int mic_type = priv->mux_select[MUX_MIC_TYPE];
1613 	unsigned int mux_pga_l = priv->mux_select[MUX_PGA_L];
1614 	unsigned int mux_pga_r = priv->mux_select[MUX_PGA_R];
1615 
1616 	dev_info(priv->dev, "%s(), mux, mic %u, pga l %u, pga r %u\n",
1617 		 __func__, mic_type, mux_pga_l, mux_pga_r);
1618 
1619 	if (IS_DCC_BASE(mic_type)) {
1620 		/* DCC 50k CLK (from 26M) */
1621 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1622 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1623 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2060);
1624 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2061);
1625 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG1, 0x0100);
1626 	}
1627 
1628 	/* mic bias 0 */
1629 	if (mux_pga_l == PGA_MUX_AIN0 || mux_pga_l == PGA_MUX_AIN2 ||
1630 	    mux_pga_r == PGA_MUX_AIN0 || mux_pga_r == PGA_MUX_AIN2) {
1631 		switch (mic_type) {
1632 		case MIC_TYPE_MUX_DCC_ECM_DIFF:
1633 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1634 					   0xff00, 0x7700);
1635 			break;
1636 		case MIC_TYPE_MUX_DCC_ECM_SINGLE:
1637 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1638 					   0xff00, 0x1100);
1639 			break;
1640 		default:
1641 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1642 					   0xff00, 0x0000);
1643 			break;
1644 		}
1645 		/* Enable MICBIAS0, MISBIAS0 = 1P9V */
1646 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON9,
1647 				   0xff, 0x21);
1648 	}
1649 
1650 	/* mic bias 1 */
1651 	if (mux_pga_l == PGA_MUX_AIN1 || mux_pga_r == PGA_MUX_AIN1) {
1652 		/* Enable MICBIAS1, MISBIAS1 = 2P6V */
1653 		if (mic_type == MIC_TYPE_MUX_DCC_ECM_SINGLE)
1654 			regmap_write(priv->regmap,
1655 				     MT6358_AUDENC_ANA_CON10, 0x0161);
1656 		else
1657 			regmap_write(priv->regmap,
1658 				     MT6358_AUDENC_ANA_CON10, 0x0061);
1659 	}
1660 
1661 	if (IS_DCC_BASE(mic_type)) {
1662 		/* Audio L/R preamplifier DCC precharge */
1663 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1664 				   0xf8ff, 0x0004);
1665 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1666 				   0xf8ff, 0x0004);
1667 	} else {
1668 		/* reset reg */
1669 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1670 				   0xf8ff, 0x0000);
1671 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1672 				   0xf8ff, 0x0000);
1673 	}
1674 
1675 	if (mux_pga_l != PGA_MUX_NONE) {
1676 		/* L preamplifier input sel */
1677 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1678 				   RG_AUDPREAMPLINPUTSEL_MASK_SFT,
1679 				   mux_pga_l << RG_AUDPREAMPLINPUTSEL_SFT);
1680 
1681 		/* L preamplifier enable */
1682 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1683 				   RG_AUDPREAMPLON_MASK_SFT,
1684 				   0x1 << RG_AUDPREAMPLON_SFT);
1685 
1686 		if (IS_DCC_BASE(mic_type)) {
1687 			/* L preamplifier DCCEN */
1688 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1689 					   RG_AUDPREAMPLDCCEN_MASK_SFT,
1690 					   0x1 << RG_AUDPREAMPLDCCEN_SFT);
1691 		}
1692 
1693 		/* L ADC input sel : L PGA. Enable audio L ADC */
1694 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1695 				   RG_AUDADCLINPUTSEL_MASK_SFT,
1696 				   ADC_MUX_PREAMPLIFIER <<
1697 				   RG_AUDADCLINPUTSEL_SFT);
1698 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1699 				   RG_AUDADCLPWRUP_MASK_SFT,
1700 				   0x1 << RG_AUDADCLPWRUP_SFT);
1701 	}
1702 
1703 	if (mux_pga_r != PGA_MUX_NONE) {
1704 		/* R preamplifier input sel */
1705 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1706 				   RG_AUDPREAMPRINPUTSEL_MASK_SFT,
1707 				   mux_pga_r << RG_AUDPREAMPRINPUTSEL_SFT);
1708 
1709 		/* R preamplifier enable */
1710 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1711 				   RG_AUDPREAMPRON_MASK_SFT,
1712 				   0x1 << RG_AUDPREAMPRON_SFT);
1713 
1714 		if (IS_DCC_BASE(mic_type)) {
1715 			/* R preamplifier DCCEN */
1716 			regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1717 					   RG_AUDPREAMPRDCCEN_MASK_SFT,
1718 					   0x1 << RG_AUDPREAMPRDCCEN_SFT);
1719 		}
1720 
1721 		/* R ADC input sel : R PGA. Enable audio R ADC */
1722 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1723 				   RG_AUDADCRINPUTSEL_MASK_SFT,
1724 				   ADC_MUX_PREAMPLIFIER <<
1725 				   RG_AUDADCRINPUTSEL_SFT);
1726 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1727 				   RG_AUDADCRPWRUP_MASK_SFT,
1728 				   0x1 << RG_AUDADCRPWRUP_SFT);
1729 	}
1730 
1731 	if (IS_DCC_BASE(mic_type)) {
1732 		usleep_range(100, 150);
1733 		/* Audio L preamplifier DCC precharge off */
1734 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1735 				   RG_AUDPREAMPLDCPRECHARGE_MASK_SFT, 0x0);
1736 		/* Audio R preamplifier DCC precharge off */
1737 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1738 				   RG_AUDPREAMPRDCPRECHARGE_MASK_SFT, 0x0);
1739 
1740 		/* Short body to ground in PGA */
1741 		regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON3,
1742 				   0x1 << 12, 0x0);
1743 	}
1744 
1745 	/* here to set digital part */
1746 	mt6358_mtkaif_tx_enable(priv);
1747 
1748 	/* UL dmic setting off */
1749 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0000);
1750 
1751 	/* UL turn on */
1752 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_L, 0x0001);
1753 
1754 	return 0;
1755 }
1756 
1757 static void mt6358_amic_disable(struct mt6358_priv *priv)
1758 {
1759 	unsigned int mic_type = priv->mux_select[MUX_MIC_TYPE];
1760 	unsigned int mux_pga_l = priv->mux_select[MUX_PGA_L];
1761 	unsigned int mux_pga_r = priv->mux_select[MUX_PGA_R];
1762 
1763 	dev_info(priv->dev, "%s(), mux, mic %u, pga l %u, pga r %u\n",
1764 		 __func__, mic_type, mux_pga_l, mux_pga_r);
1765 
1766 	/* UL turn off */
1767 	regmap_update_bits(priv->regmap, MT6358_AFE_UL_SRC_CON0_L,
1768 			   0x0001, 0x0000);
1769 
1770 	/* disable aud_pad TX fifos */
1771 	mt6358_mtkaif_tx_disable(priv);
1772 
1773 	/* L ADC input sel : off, disable L ADC */
1774 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1775 			   0xf000, 0x0000);
1776 	/* L preamplifier DCCEN */
1777 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1778 			   0x1 << 1, 0x0);
1779 	/* L preamplifier input sel : off, L PGA 0 dB gain */
1780 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1781 			   0xfffb, 0x0000);
1782 
1783 	/* disable L preamplifier DCC precharge */
1784 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1785 			   0x1 << 2, 0x0);
1786 
1787 	/* R ADC input sel : off, disable R ADC */
1788 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1789 			   0xf000, 0x0000);
1790 	/* R preamplifier DCCEN */
1791 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1792 			   0x1 << 1, 0x0);
1793 	/* R preamplifier input sel : off, R PGA 0 dB gain */
1794 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1795 			   0x0ffb, 0x0000);
1796 
1797 	/* disable R preamplifier DCC precharge */
1798 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1799 			   0x1 << 2, 0x0);
1800 
1801 	/* mic bias */
1802 	/* Disable MICBIAS0, MISBIAS0 = 1P7V */
1803 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0000);
1804 
1805 	/* Disable MICBIAS1 */
1806 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON10,
1807 			   0x0001, 0x0000);
1808 
1809 	if (IS_DCC_BASE(mic_type)) {
1810 		/* dcclk_gen_on=1'b0 */
1811 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2060);
1812 		/* dcclk_pdn=1'b1 */
1813 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1814 		/* dcclk_ref_ck_sel=2'b00 */
1815 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1816 		/* dcclk_div=11'b00100000011 */
1817 		regmap_write(priv->regmap, MT6358_AFE_DCCLK_CFG0, 0x2062);
1818 	}
1819 }
1820 
1821 static int mt6358_dmic_enable(struct mt6358_priv *priv)
1822 {
1823 	dev_info(priv->dev, "%s()\n", __func__);
1824 
1825 	/* mic bias */
1826 	/* Enable MICBIAS0, MISBIAS0 = 1P9V */
1827 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0021);
1828 
1829 	/* RG_BANDGAPGEN=1'b0 */
1830 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON10,
1831 			   0x1 << 12, 0x0);
1832 
1833 	/* DMIC enable */
1834 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON8, 0x0005);
1835 
1836 	/* here to set digital part */
1837 	mt6358_mtkaif_tx_enable(priv);
1838 
1839 	/* UL dmic setting */
1840 	if (priv->dmic_one_wire_mode)
1841 		regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0400);
1842 	else
1843 		regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_H, 0x0080);
1844 
1845 	/* UL turn on */
1846 	regmap_write(priv->regmap, MT6358_AFE_UL_SRC_CON0_L, 0x0003);
1847 
1848 	/* Prevent pop noise form dmic hw */
1849 	msleep(100);
1850 
1851 	return 0;
1852 }
1853 
1854 static void mt6358_dmic_disable(struct mt6358_priv *priv)
1855 {
1856 	dev_info(priv->dev, "%s()\n", __func__);
1857 
1858 	/* UL turn off */
1859 	regmap_update_bits(priv->regmap, MT6358_AFE_UL_SRC_CON0_L,
1860 			   0x0003, 0x0000);
1861 
1862 	/* disable aud_pad TX fifos */
1863 	mt6358_mtkaif_tx_disable(priv);
1864 
1865 	/* DMIC disable */
1866 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON8, 0x0000);
1867 
1868 	/* mic bias */
1869 	/* MISBIAS0 = 1P7V */
1870 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0001);
1871 
1872 	/* RG_BANDGAPGEN=1'b0 */
1873 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON10,
1874 			   0x1 << 12, 0x0);
1875 
1876 	/* MICBIA0 disable */
1877 	regmap_write(priv->regmap, MT6358_AUDENC_ANA_CON9, 0x0000);
1878 }
1879 
1880 static void mt6358_restore_pga(struct mt6358_priv *priv)
1881 {
1882 	unsigned int gain_l, gain_r;
1883 
1884 	gain_l = priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP1];
1885 	gain_r = priv->ana_gain[AUDIO_ANALOG_VOLUME_MICAMP2];
1886 
1887 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON0,
1888 			   RG_AUDPREAMPLGAIN_MASK_SFT,
1889 			   gain_l << RG_AUDPREAMPLGAIN_SFT);
1890 	regmap_update_bits(priv->regmap, MT6358_AUDENC_ANA_CON1,
1891 			   RG_AUDPREAMPRGAIN_MASK_SFT,
1892 			   gain_r << RG_AUDPREAMPRGAIN_SFT);
1893 }
1894 
1895 static int mt_mic_type_event(struct snd_soc_dapm_widget *w,
1896 			     struct snd_kcontrol *kcontrol,
1897 			     int event)
1898 {
1899 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1900 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1901 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1902 
1903 	dev_dbg(priv->dev, "%s(), event 0x%x, mux %u\n",
1904 		__func__, event, mux);
1905 
1906 	switch (event) {
1907 	case SND_SOC_DAPM_WILL_PMU:
1908 		priv->mux_select[MUX_MIC_TYPE] = mux;
1909 		break;
1910 	case SND_SOC_DAPM_PRE_PMU:
1911 		switch (mux) {
1912 		case MIC_TYPE_MUX_DMIC:
1913 			mt6358_dmic_enable(priv);
1914 			break;
1915 		default:
1916 			mt6358_amic_enable(priv);
1917 			break;
1918 		}
1919 		mt6358_restore_pga(priv);
1920 
1921 		break;
1922 	case SND_SOC_DAPM_POST_PMD:
1923 		switch (priv->mux_select[MUX_MIC_TYPE]) {
1924 		case MIC_TYPE_MUX_DMIC:
1925 			mt6358_dmic_disable(priv);
1926 			break;
1927 		default:
1928 			mt6358_amic_disable(priv);
1929 			break;
1930 		}
1931 
1932 		priv->mux_select[MUX_MIC_TYPE] = mux;
1933 		break;
1934 	default:
1935 		break;
1936 	}
1937 
1938 	return 0;
1939 }
1940 
1941 static int mt_adc_l_event(struct snd_soc_dapm_widget *w,
1942 			  struct snd_kcontrol *kcontrol,
1943 			  int event)
1944 {
1945 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1946 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1947 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1948 
1949 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1950 		__func__, event, mux);
1951 
1952 	priv->mux_select[MUX_ADC_L] = mux;
1953 
1954 	return 0;
1955 }
1956 
1957 static int mt_adc_r_event(struct snd_soc_dapm_widget *w,
1958 			  struct snd_kcontrol *kcontrol,
1959 			  int event)
1960 {
1961 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1962 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1963 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1964 
1965 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1966 		__func__, event, mux);
1967 
1968 	priv->mux_select[MUX_ADC_R] = mux;
1969 
1970 	return 0;
1971 }
1972 
1973 static int mt_pga_left_event(struct snd_soc_dapm_widget *w,
1974 			     struct snd_kcontrol *kcontrol,
1975 			     int event)
1976 {
1977 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1978 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1979 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1980 
1981 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1982 		__func__, event, mux);
1983 
1984 	priv->mux_select[MUX_PGA_L] = mux;
1985 
1986 	return 0;
1987 }
1988 
1989 static int mt_pga_right_event(struct snd_soc_dapm_widget *w,
1990 			      struct snd_kcontrol *kcontrol,
1991 			      int event)
1992 {
1993 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);
1994 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
1995 	unsigned int mux = dapm_kcontrol_get_value(w->kcontrols[0]);
1996 
1997 	dev_dbg(priv->dev, "%s(), event = 0x%x, mux %u\n",
1998 		__func__, event, mux);
1999 
2000 	priv->mux_select[MUX_PGA_R] = mux;
2001 
2002 	return 0;
2003 }
2004 
2005 static int mt_delay_250_event(struct snd_soc_dapm_widget *w,
2006 			      struct snd_kcontrol *kcontrol,
2007 			      int event)
2008 {
2009 	switch (event) {
2010 	case SND_SOC_DAPM_POST_PMU:
2011 		usleep_range(250, 270);
2012 		break;
2013 	case SND_SOC_DAPM_PRE_PMD:
2014 		usleep_range(250, 270);
2015 		break;
2016 	default:
2017 		break;
2018 	}
2019 
2020 	return 0;
2021 }
2022 
2023 /* DAPM Widgets */
2024 static const struct snd_soc_dapm_widget mt6358_dapm_widgets[] = {
2025 	/* Global Supply*/
2026 	SND_SOC_DAPM_SUPPLY_S("CLK_BUF", SUPPLY_SEQ_CLK_BUF,
2027 			      MT6358_DCXO_CW14,
2028 			      RG_XO_AUDIO_EN_M_SFT, 0, NULL, 0),
2029 	SND_SOC_DAPM_SUPPLY_S("AUDGLB", SUPPLY_SEQ_AUD_GLB,
2030 			      MT6358_AUDDEC_ANA_CON13,
2031 			      RG_AUDGLB_PWRDN_VA28_SFT, 1, NULL, 0),
2032 	SND_SOC_DAPM_SUPPLY_S("CLKSQ Audio", SUPPLY_SEQ_CLKSQ,
2033 			      MT6358_AUDENC_ANA_CON6,
2034 			      RG_CLKSQ_EN_SFT, 0,
2035 			      mt_clksq_event,
2036 			      SND_SOC_DAPM_PRE_PMU),
2037 	SND_SOC_DAPM_SUPPLY_S("AUDNCP_CK", SUPPLY_SEQ_TOP_CK,
2038 			      MT6358_AUD_TOP_CKPDN_CON0,
2039 			      RG_AUDNCP_CK_PDN_SFT, 1, NULL, 0),
2040 	SND_SOC_DAPM_SUPPLY_S("ZCD13M_CK", SUPPLY_SEQ_TOP_CK,
2041 			      MT6358_AUD_TOP_CKPDN_CON0,
2042 			      RG_ZCD13M_CK_PDN_SFT, 1, NULL, 0),
2043 	SND_SOC_DAPM_SUPPLY_S("AUD_CK", SUPPLY_SEQ_TOP_CK_LAST,
2044 			      MT6358_AUD_TOP_CKPDN_CON0,
2045 			      RG_AUD_CK_PDN_SFT, 1,
2046 			      mt_delay_250_event,
2047 			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
2048 	SND_SOC_DAPM_SUPPLY_S("AUDIF_CK", SUPPLY_SEQ_TOP_CK,
2049 			      MT6358_AUD_TOP_CKPDN_CON0,
2050 			      RG_AUDIF_CK_PDN_SFT, 1, NULL, 0),
2051 
2052 	/* Digital Clock */
2053 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_AFE_CTL", SUPPLY_SEQ_AUD_TOP_LAST,
2054 			      MT6358_AUDIO_TOP_CON0,
2055 			      PDN_AFE_CTL_SFT, 1,
2056 			      mt_delay_250_event,
2057 			      SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
2058 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_DAC_CTL", SUPPLY_SEQ_AUD_TOP,
2059 			      MT6358_AUDIO_TOP_CON0,
2060 			      PDN_DAC_CTL_SFT, 1, NULL, 0),
2061 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_ADC_CTL", SUPPLY_SEQ_AUD_TOP,
2062 			      MT6358_AUDIO_TOP_CON0,
2063 			      PDN_ADC_CTL_SFT, 1, NULL, 0),
2064 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_I2S_DL", SUPPLY_SEQ_AUD_TOP,
2065 			      MT6358_AUDIO_TOP_CON0,
2066 			      PDN_I2S_DL_CTL_SFT, 1, NULL, 0),
2067 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_PWR_CLK", SUPPLY_SEQ_AUD_TOP,
2068 			      MT6358_AUDIO_TOP_CON0,
2069 			      PWR_CLK_DIS_CTL_SFT, 1, NULL, 0),
2070 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_PDN_AFE_TESTMODEL", SUPPLY_SEQ_AUD_TOP,
2071 			      MT6358_AUDIO_TOP_CON0,
2072 			      PDN_AFE_TESTMODEL_CTL_SFT, 1, NULL, 0),
2073 	SND_SOC_DAPM_SUPPLY_S("AUDIO_TOP_PDN_RESERVED", SUPPLY_SEQ_AUD_TOP,
2074 			      MT6358_AUDIO_TOP_CON0,
2075 			      PDN_RESERVED_SFT, 1, NULL, 0),
2076 
2077 	SND_SOC_DAPM_SUPPLY("DL Digital Clock", SND_SOC_NOPM,
2078 			    0, 0, NULL, 0),
2079 
2080 	/* AFE ON */
2081 	SND_SOC_DAPM_SUPPLY_S("AFE_ON", SUPPLY_SEQ_AFE,
2082 			      MT6358_AFE_UL_DL_CON0, AFE_ON_SFT, 0,
2083 			      NULL, 0),
2084 
2085 	/* AIF Rx*/
2086 	SND_SOC_DAPM_AIF_IN_E("AIF_RX", "AIF1 Playback", 0,
2087 			      MT6358_AFE_DL_SRC2_CON0_L,
2088 			      DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0,
2089 			      mt_aif_in_event,
2090 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2091 
2092 	/* DL Supply */
2093 	SND_SOC_DAPM_SUPPLY("DL Power Supply", SND_SOC_NOPM,
2094 			    0, 0, NULL, 0),
2095 
2096 	/* DAC */
2097 	SND_SOC_DAPM_MUX("DAC In Mux", SND_SOC_NOPM, 0, 0, &dac_in_mux_control),
2098 
2099 	SND_SOC_DAPM_DAC("DACL", NULL, SND_SOC_NOPM, 0, 0),
2100 
2101 	SND_SOC_DAPM_DAC("DACR", NULL, SND_SOC_NOPM, 0, 0),
2102 
2103 	/* LOL */
2104 	SND_SOC_DAPM_MUX("LOL Mux", SND_SOC_NOPM, 0, 0, &lo_in_mux_control),
2105 
2106 	SND_SOC_DAPM_SUPPLY("LO Stability Enh", MT6358_AUDDEC_ANA_CON7,
2107 			    RG_LOOUTPUTSTBENH_VAUDP15_SFT, 0, NULL, 0),
2108 
2109 	SND_SOC_DAPM_OUT_DRV("LOL Buffer", MT6358_AUDDEC_ANA_CON7,
2110 			     RG_AUDLOLPWRUP_VAUDP15_SFT, 0, NULL, 0),
2111 
2112 	/* Headphone */
2113 	SND_SOC_DAPM_MUX_E("HPL Mux", SND_SOC_NOPM, 0, 0,
2114 			   &hpl_in_mux_control,
2115 			   mt_hp_event,
2116 			   SND_SOC_DAPM_PRE_PMU |
2117 			   SND_SOC_DAPM_PRE_PMD),
2118 
2119 	SND_SOC_DAPM_MUX_E("HPR Mux", SND_SOC_NOPM, 0, 0,
2120 			   &hpr_in_mux_control,
2121 			   mt_hp_event,
2122 			   SND_SOC_DAPM_PRE_PMU |
2123 			   SND_SOC_DAPM_PRE_PMD),
2124 
2125 	/* Receiver */
2126 	SND_SOC_DAPM_MUX_E("RCV Mux", SND_SOC_NOPM, 0, 0,
2127 			   &rcv_in_mux_control,
2128 			   mt_rcv_event,
2129 			   SND_SOC_DAPM_PRE_PMU |
2130 			   SND_SOC_DAPM_PRE_PMD),
2131 
2132 	/* Outputs */
2133 	SND_SOC_DAPM_OUTPUT("Receiver"),
2134 	SND_SOC_DAPM_OUTPUT("Headphone L"),
2135 	SND_SOC_DAPM_OUTPUT("Headphone R"),
2136 	SND_SOC_DAPM_OUTPUT("Headphone L Ext Spk Amp"),
2137 	SND_SOC_DAPM_OUTPUT("Headphone R Ext Spk Amp"),
2138 	SND_SOC_DAPM_OUTPUT("LINEOUT L"),
2139 	SND_SOC_DAPM_OUTPUT("LINEOUT L HSSPK"),
2140 
2141 	/* SGEN */
2142 	SND_SOC_DAPM_SUPPLY("SGEN DL Enable", MT6358_AFE_SGEN_CFG0,
2143 			    SGEN_DAC_EN_CTL_SFT, 0, NULL, 0),
2144 	SND_SOC_DAPM_SUPPLY("SGEN MUTE", MT6358_AFE_SGEN_CFG0,
2145 			    SGEN_MUTE_SW_CTL_SFT, 1,
2146 			    mt_sgen_event,
2147 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2148 	SND_SOC_DAPM_SUPPLY("SGEN DL SRC", MT6358_AFE_DL_SRC2_CON0_L,
2149 			    DL_2_SRC_ON_TMP_CTL_PRE_SFT, 0, NULL, 0),
2150 
2151 	SND_SOC_DAPM_INPUT("SGEN DL"),
2152 
2153 	/* Uplinks */
2154 	SND_SOC_DAPM_AIF_OUT_E("AIF1TX", "AIF1 Capture", 0,
2155 			       SND_SOC_NOPM, 0, 0,
2156 			       mt_aif_out_event,
2157 			       SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2158 
2159 	SND_SOC_DAPM_SUPPLY_S("ADC Supply", SUPPLY_SEQ_ADC_SUPPLY,
2160 			      SND_SOC_NOPM, 0, 0,
2161 			      mt_adc_supply_event,
2162 			      SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
2163 
2164 	/* Uplinks MUX */
2165 	SND_SOC_DAPM_MUX("AIF Out Mux", SND_SOC_NOPM, 0, 0,
2166 			 &aif_out_mux_control),
2167 
2168 	SND_SOC_DAPM_MUX_E("Mic Type Mux", SND_SOC_NOPM, 0, 0,
2169 			   &mic_type_mux_control,
2170 			   mt_mic_type_event,
2171 			   SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD |
2172 			   SND_SOC_DAPM_WILL_PMU),
2173 
2174 	SND_SOC_DAPM_MUX_E("ADC L Mux", SND_SOC_NOPM, 0, 0,
2175 			   &adc_left_mux_control,
2176 			   mt_adc_l_event,
2177 			   SND_SOC_DAPM_WILL_PMU),
2178 	SND_SOC_DAPM_MUX_E("ADC R Mux", SND_SOC_NOPM, 0, 0,
2179 			   &adc_right_mux_control,
2180 			   mt_adc_r_event,
2181 			   SND_SOC_DAPM_WILL_PMU),
2182 
2183 	SND_SOC_DAPM_ADC("ADC L", NULL, SND_SOC_NOPM, 0, 0),
2184 	SND_SOC_DAPM_ADC("ADC R", NULL, SND_SOC_NOPM, 0, 0),
2185 
2186 	SND_SOC_DAPM_MUX_E("PGA L Mux", SND_SOC_NOPM, 0, 0,
2187 			   &pga_left_mux_control,
2188 			   mt_pga_left_event,
2189 			   SND_SOC_DAPM_WILL_PMU),
2190 	SND_SOC_DAPM_MUX_E("PGA R Mux", SND_SOC_NOPM, 0, 0,
2191 			   &pga_right_mux_control,
2192 			   mt_pga_right_event,
2193 			   SND_SOC_DAPM_WILL_PMU),
2194 
2195 	SND_SOC_DAPM_PGA("PGA L", SND_SOC_NOPM, 0, 0, NULL, 0),
2196 	SND_SOC_DAPM_PGA("PGA R", SND_SOC_NOPM, 0, 0, NULL, 0),
2197 
2198 	/* UL input */
2199 	SND_SOC_DAPM_INPUT("AIN0"),
2200 	SND_SOC_DAPM_INPUT("AIN1"),
2201 	SND_SOC_DAPM_INPUT("AIN2"),
2202 };
2203 
2204 static const struct snd_soc_dapm_route mt6358_dapm_routes[] = {
2205 	/* Capture */
2206 	{"AIF1TX", NULL, "AIF Out Mux"},
2207 	{"AIF1TX", NULL, "CLK_BUF"},
2208 	{"AIF1TX", NULL, "AUDGLB"},
2209 	{"AIF1TX", NULL, "CLKSQ Audio"},
2210 
2211 	{"AIF1TX", NULL, "AUD_CK"},
2212 	{"AIF1TX", NULL, "AUDIF_CK"},
2213 
2214 	{"AIF1TX", NULL, "AUDIO_TOP_AFE_CTL"},
2215 	{"AIF1TX", NULL, "AUDIO_TOP_ADC_CTL"},
2216 	{"AIF1TX", NULL, "AUDIO_TOP_PWR_CLK"},
2217 	{"AIF1TX", NULL, "AUDIO_TOP_PDN_RESERVED"},
2218 	{"AIF1TX", NULL, "AUDIO_TOP_I2S_DL"},
2219 
2220 	{"AIF1TX", NULL, "AFE_ON"},
2221 
2222 	{"AIF Out Mux", NULL, "Mic Type Mux"},
2223 
2224 	{"Mic Type Mux", "ACC", "ADC L"},
2225 	{"Mic Type Mux", "ACC", "ADC R"},
2226 	{"Mic Type Mux", "DCC", "ADC L"},
2227 	{"Mic Type Mux", "DCC", "ADC R"},
2228 	{"Mic Type Mux", "DCC_ECM_DIFF", "ADC L"},
2229 	{"Mic Type Mux", "DCC_ECM_DIFF", "ADC R"},
2230 	{"Mic Type Mux", "DCC_ECM_SINGLE", "ADC L"},
2231 	{"Mic Type Mux", "DCC_ECM_SINGLE", "ADC R"},
2232 	{"Mic Type Mux", "DMIC", "AIN0"},
2233 	{"Mic Type Mux", "DMIC", "AIN2"},
2234 
2235 	{"ADC L", NULL, "ADC L Mux"},
2236 	{"ADC L", NULL, "ADC Supply"},
2237 	{"ADC R", NULL, "ADC R Mux"},
2238 	{"ADC R", NULL, "ADC Supply"},
2239 
2240 	{"ADC L Mux", "Left Preamplifier", "PGA L"},
2241 
2242 	{"ADC R Mux", "Right Preamplifier", "PGA R"},
2243 
2244 	{"PGA L", NULL, "PGA L Mux"},
2245 	{"PGA R", NULL, "PGA R Mux"},
2246 
2247 	{"PGA L Mux", "AIN0", "AIN0"},
2248 	{"PGA L Mux", "AIN1", "AIN1"},
2249 	{"PGA L Mux", "AIN2", "AIN2"},
2250 
2251 	{"PGA R Mux", "AIN0", "AIN0"},
2252 	{"PGA R Mux", "AIN1", "AIN1"},
2253 	{"PGA R Mux", "AIN2", "AIN2"},
2254 
2255 	/* DL Supply */
2256 	{"DL Power Supply", NULL, "CLK_BUF"},
2257 	{"DL Power Supply", NULL, "AUDGLB"},
2258 	{"DL Power Supply", NULL, "CLKSQ Audio"},
2259 
2260 	{"DL Power Supply", NULL, "AUDNCP_CK"},
2261 	{"DL Power Supply", NULL, "ZCD13M_CK"},
2262 	{"DL Power Supply", NULL, "AUD_CK"},
2263 	{"DL Power Supply", NULL, "AUDIF_CK"},
2264 
2265 	/* DL Digital Supply */
2266 	{"DL Digital Clock", NULL, "AUDIO_TOP_AFE_CTL"},
2267 	{"DL Digital Clock", NULL, "AUDIO_TOP_DAC_CTL"},
2268 	{"DL Digital Clock", NULL, "AUDIO_TOP_PWR_CLK"},
2269 
2270 	{"DL Digital Clock", NULL, "AFE_ON"},
2271 
2272 	{"AIF_RX", NULL, "DL Digital Clock"},
2273 
2274 	/* DL Path */
2275 	{"DAC In Mux", "Normal Path", "AIF_RX"},
2276 
2277 	{"DAC In Mux", "Sgen", "SGEN DL"},
2278 	{"SGEN DL", NULL, "SGEN DL SRC"},
2279 	{"SGEN DL", NULL, "SGEN MUTE"},
2280 	{"SGEN DL", NULL, "SGEN DL Enable"},
2281 	{"SGEN DL", NULL, "DL Digital Clock"},
2282 	{"SGEN DL", NULL, "AUDIO_TOP_PDN_AFE_TESTMODEL"},
2283 
2284 	{"DACL", NULL, "DAC In Mux"},
2285 	{"DACL", NULL, "DL Power Supply"},
2286 
2287 	{"DACR", NULL, "DAC In Mux"},
2288 	{"DACR", NULL, "DL Power Supply"},
2289 
2290 	/* Lineout Path */
2291 	{"LOL Mux", "Playback", "DACL"},
2292 
2293 	{"LOL Buffer", NULL, "LOL Mux"},
2294 	{"LOL Buffer", NULL, "LO Stability Enh"},
2295 
2296 	{"LINEOUT L", NULL, "LOL Buffer"},
2297 
2298 	/* Headphone Path */
2299 	{"HPL Mux", "Audio Playback", "DACL"},
2300 	{"HPR Mux", "Audio Playback", "DACR"},
2301 	{"HPL Mux", "HP Impedance", "DACL"},
2302 	{"HPR Mux", "HP Impedance", "DACR"},
2303 	{"HPL Mux", "LoudSPK Playback", "DACL"},
2304 	{"HPR Mux", "LoudSPK Playback", "DACR"},
2305 
2306 	{"Headphone L", NULL, "HPL Mux"},
2307 	{"Headphone R", NULL, "HPR Mux"},
2308 	{"Headphone L Ext Spk Amp", NULL, "HPL Mux"},
2309 	{"Headphone R Ext Spk Amp", NULL, "HPR Mux"},
2310 	{"LINEOUT L HSSPK", NULL, "HPL Mux"},
2311 
2312 	/* Receiver Path */
2313 	{"RCV Mux", "Voice Playback", "DACL"},
2314 	{"Receiver", NULL, "RCV Mux"},
2315 };
2316 
2317 static int mt6358_codec_dai_hw_params(struct snd_pcm_substream *substream,
2318 				      struct snd_pcm_hw_params *params,
2319 				      struct snd_soc_dai *dai)
2320 {
2321 	struct snd_soc_component *cmpnt = dai->component;
2322 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
2323 	unsigned int rate = params_rate(params);
2324 
2325 	dev_info(priv->dev, "%s(), substream->stream %d, rate %d, number %d\n",
2326 		 __func__,
2327 		 substream->stream,
2328 		 rate,
2329 		 substream->number);
2330 
2331 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
2332 		priv->dl_rate = rate;
2333 	else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
2334 		priv->ul_rate = rate;
2335 
2336 	return 0;
2337 }
2338 
2339 static const struct snd_soc_dai_ops mt6358_codec_dai_ops = {
2340 	.hw_params = mt6358_codec_dai_hw_params,
2341 };
2342 
2343 #define MT6358_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_U16_LE |\
2344 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_U24_LE |\
2345 			SNDRV_PCM_FMTBIT_S32_LE | SNDRV_PCM_FMTBIT_U32_LE)
2346 
2347 static struct snd_soc_dai_driver mt6358_dai_driver[] = {
2348 	{
2349 		.name = "mt6358-snd-codec-aif1",
2350 		.playback = {
2351 			.stream_name = "AIF1 Playback",
2352 			.channels_min = 1,
2353 			.channels_max = 2,
2354 			.rates = SNDRV_PCM_RATE_8000_48000 |
2355 				 SNDRV_PCM_RATE_96000 |
2356 				 SNDRV_PCM_RATE_192000,
2357 			.formats = MT6358_FORMATS,
2358 		},
2359 		.capture = {
2360 			.stream_name = "AIF1 Capture",
2361 			.channels_min = 1,
2362 			.channels_max = 2,
2363 			.rates = SNDRV_PCM_RATE_8000 |
2364 				 SNDRV_PCM_RATE_16000 |
2365 				 SNDRV_PCM_RATE_32000 |
2366 				 SNDRV_PCM_RATE_48000,
2367 			.formats = MT6358_FORMATS,
2368 		},
2369 		.ops = &mt6358_codec_dai_ops,
2370 	},
2371 };
2372 
2373 static void mt6358_codec_init_reg(struct mt6358_priv *priv)
2374 {
2375 	/* Disable HeadphoneL/HeadphoneR short circuit protection */
2376 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
2377 			   RG_AUDHPLSCDISABLE_VAUDP15_MASK_SFT,
2378 			   0x1 << RG_AUDHPLSCDISABLE_VAUDP15_SFT);
2379 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON0,
2380 			   RG_AUDHPRSCDISABLE_VAUDP15_MASK_SFT,
2381 			   0x1 << RG_AUDHPRSCDISABLE_VAUDP15_SFT);
2382 	/* Disable voice short circuit protection */
2383 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON6,
2384 			   RG_AUDHSSCDISABLE_VAUDP15_MASK_SFT,
2385 			   0x1 << RG_AUDHSSCDISABLE_VAUDP15_SFT);
2386 	/* disable LO buffer left short circuit protection */
2387 	regmap_update_bits(priv->regmap, MT6358_AUDDEC_ANA_CON7,
2388 			   RG_AUDLOLSCDISABLE_VAUDP15_MASK_SFT,
2389 			   0x1 << RG_AUDLOLSCDISABLE_VAUDP15_SFT);
2390 
2391 	/* accdet s/w enable */
2392 	regmap_update_bits(priv->regmap, MT6358_ACCDET_CON13,
2393 			   0xFFFF, 0x700E);
2394 
2395 	/* gpio miso driving set to 4mA */
2396 	regmap_write(priv->regmap, MT6358_DRV_CON3, 0x8888);
2397 
2398 	/* set gpio */
2399 	playback_gpio_reset(priv);
2400 	capture_gpio_reset(priv);
2401 }
2402 
2403 static int mt6358_codec_probe(struct snd_soc_component *cmpnt)
2404 {
2405 	struct mt6358_priv *priv = snd_soc_component_get_drvdata(cmpnt);
2406 	int ret;
2407 
2408 	snd_soc_component_init_regmap(cmpnt, priv->regmap);
2409 
2410 	mt6358_codec_init_reg(priv);
2411 
2412 	priv->avdd_reg = devm_regulator_get(priv->dev, "Avdd");
2413 	if (IS_ERR(priv->avdd_reg)) {
2414 		dev_err(priv->dev, "%s() have no Avdd supply", __func__);
2415 		return PTR_ERR(priv->avdd_reg);
2416 	}
2417 
2418 	ret = regulator_enable(priv->avdd_reg);
2419 	if (ret)
2420 		return  ret;
2421 
2422 	return 0;
2423 }
2424 
2425 static const struct snd_soc_component_driver mt6358_soc_component_driver = {
2426 	.probe = mt6358_codec_probe,
2427 	.controls = mt6358_snd_controls,
2428 	.num_controls = ARRAY_SIZE(mt6358_snd_controls),
2429 	.dapm_widgets = mt6358_dapm_widgets,
2430 	.num_dapm_widgets = ARRAY_SIZE(mt6358_dapm_widgets),
2431 	.dapm_routes = mt6358_dapm_routes,
2432 	.num_dapm_routes = ARRAY_SIZE(mt6358_dapm_routes),
2433 	.endianness = 1,
2434 };
2435 
2436 static void mt6358_parse_dt(struct mt6358_priv *priv)
2437 {
2438 	int ret;
2439 	struct device *dev = priv->dev;
2440 
2441 	ret = of_property_read_u32(dev->of_node, "mediatek,dmic-mode",
2442 				   &priv->dmic_one_wire_mode);
2443 	if (ret) {
2444 		dev_warn(priv->dev, "%s() failed to read dmic-mode\n",
2445 			 __func__);
2446 		priv->dmic_one_wire_mode = 0;
2447 	}
2448 }
2449 
2450 static int mt6358_platform_driver_probe(struct platform_device *pdev)
2451 {
2452 	struct mt6358_priv *priv;
2453 	struct mt6397_chip *mt6397 = dev_get_drvdata(pdev->dev.parent);
2454 
2455 	priv = devm_kzalloc(&pdev->dev,
2456 			    sizeof(struct mt6358_priv),
2457 			    GFP_KERNEL);
2458 	if (!priv)
2459 		return -ENOMEM;
2460 
2461 	dev_set_drvdata(&pdev->dev, priv);
2462 
2463 	priv->dev = &pdev->dev;
2464 
2465 	priv->regmap = mt6397->regmap;
2466 	if (IS_ERR(priv->regmap))
2467 		return PTR_ERR(priv->regmap);
2468 
2469 	mt6358_parse_dt(priv);
2470 
2471 	dev_info(priv->dev, "%s(), dev name %s\n",
2472 		 __func__, dev_name(&pdev->dev));
2473 
2474 	return devm_snd_soc_register_component(&pdev->dev,
2475 				      &mt6358_soc_component_driver,
2476 				      mt6358_dai_driver,
2477 				      ARRAY_SIZE(mt6358_dai_driver));
2478 }
2479 
2480 static const struct of_device_id mt6358_of_match[] = {
2481 	{.compatible = "mediatek,mt6358-sound",},
2482 	{.compatible = "mediatek,mt6366-sound",},
2483 	{}
2484 };
2485 MODULE_DEVICE_TABLE(of, mt6358_of_match);
2486 
2487 static struct platform_driver mt6358_platform_driver = {
2488 	.driver = {
2489 		.name = "mt6358-sound",
2490 		.of_match_table = mt6358_of_match,
2491 	},
2492 	.probe = mt6358_platform_driver_probe,
2493 };
2494 
2495 module_platform_driver(mt6358_platform_driver)
2496 
2497 /* Module information */
2498 MODULE_DESCRIPTION("MT6358 ALSA SoC codec driver");
2499 MODULE_AUTHOR("KaiChieh Chuang <kaichieh.chuang@mediatek.com>");
2500 MODULE_LICENSE("GPL v2");
2501