xref: /linux/sound/soc/codecs/da7213.c (revision 0d6ccfe6b319d56da63b7d7cfbcecd92780a680d)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * DA7213 ALSA SoC Codec Driver
4  *
5  * Copyright (c) 2013 Dialog Semiconductor
6  *
7  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
8  * Based on DA9055 ALSA SoC codec driver.
9  */
10 
11 #include <linux/acpi.h>
12 #include <linux/of.h>
13 #include <linux/property.h>
14 #include <linux/clk.h>
15 #include <linux/delay.h>
16 #include <linux/i2c.h>
17 #include <linux/regmap.h>
18 #include <linux/slab.h>
19 #include <linux/module.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <linux/pm_runtime.h>
23 #include <sound/soc.h>
24 #include <sound/initval.h>
25 #include <sound/tlv.h>
26 
27 #include <sound/da7213.h>
28 #include "da7213.h"
29 
30 
31 /* Gain and Volume */
32 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
33 	/* -54dB */
34 	0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
35 	/* -52.5dB to 15dB */
36 	0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
37 );
38 
39 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
40 	0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
41 	/* -78dB to 12dB */
42 	0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
43 );
44 
45 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
46 	0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
47 	/* 0dB to 36dB */
48 	0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
49 );
50 
51 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
52 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
53 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
54 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
55 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
56 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
57 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
58 static const DECLARE_TLV_DB_SCALE(da7213_tonegen_gain_tlv, -4500, 300, 0);
59 
60 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
61 static const char * const da7213_voice_hpf_corner_txt[] = {
62 	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
63 };
64 
65 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
66 			    DA7213_DAC_FILTERS1,
67 			    DA7213_VOICE_HPF_CORNER_SHIFT,
68 			    da7213_voice_hpf_corner_txt);
69 
70 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
71 			    DA7213_ADC_FILTERS1,
72 			    DA7213_VOICE_HPF_CORNER_SHIFT,
73 			    da7213_voice_hpf_corner_txt);
74 
75 /* ADC and DAC high pass filter cutoff value */
76 static const char * const da7213_audio_hpf_corner_txt[] = {
77 	"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
78 };
79 
80 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
81 			    DA7213_DAC_FILTERS1
82 			    , DA7213_AUDIO_HPF_CORNER_SHIFT,
83 			    da7213_audio_hpf_corner_txt);
84 
85 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
86 			    DA7213_ADC_FILTERS1,
87 			    DA7213_AUDIO_HPF_CORNER_SHIFT,
88 			    da7213_audio_hpf_corner_txt);
89 
90 static const char * const da7213_tonegen_dtmf_key_txt[] = {
91 	"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
92 	"*", "#"
93 };
94 
95 static const struct soc_enum da7213_tonegen_dtmf_key =
96 	SOC_ENUM_SINGLE(DA7213_TONE_GEN_CFG1, DA7213_DTMF_REG_SHIFT,
97 			DA7213_DTMF_REG_MAX, da7213_tonegen_dtmf_key_txt);
98 
99 static const char * const da7213_tonegen_swg_sel_txt[] = {
100 	"Sum", "SWG1", "SWG2", "Sum"
101 };
102 
103 static const struct soc_enum da7213_tonegen_swg_sel =
104 	SOC_ENUM_SINGLE(DA7213_TONE_GEN_CFG2, DA7213_SWG_SEL_SHIFT,
105 			DA7213_SWG_SEL_MAX, da7213_tonegen_swg_sel_txt);
106 
107 /* Gain ramping rate value */
108 static const char * const da7213_gain_ramp_rate_txt[] = {
109 	"nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
110 	"nominal rate / 32"
111 };
112 
113 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
114 			    DA7213_GAIN_RAMP_CTRL,
115 			    DA7213_GAIN_RAMP_RATE_SHIFT,
116 			    da7213_gain_ramp_rate_txt);
117 
118 /* DAC noise gate setup time value */
119 static const char * const da7213_dac_ng_setup_time_txt[] = {
120 	"256 samples", "512 samples", "1024 samples", "2048 samples"
121 };
122 
123 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
124 			    DA7213_DAC_NG_SETUP_TIME,
125 			    DA7213_DAC_NG_SETUP_TIME_SHIFT,
126 			    da7213_dac_ng_setup_time_txt);
127 
128 /* DAC noise gate rampup rate value */
129 static const char * const da7213_dac_ng_rampup_txt[] = {
130 	"0.02 ms/dB", "0.16 ms/dB"
131 };
132 
133 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
134 			    DA7213_DAC_NG_SETUP_TIME,
135 			    DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
136 			    da7213_dac_ng_rampup_txt);
137 
138 /* DAC noise gate rampdown rate value */
139 static const char * const da7213_dac_ng_rampdown_txt[] = {
140 	"0.64 ms/dB", "20.48 ms/dB"
141 };
142 
143 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
144 			    DA7213_DAC_NG_SETUP_TIME,
145 			    DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
146 			    da7213_dac_ng_rampdown_txt);
147 
148 /* DAC soft mute rate value */
149 static const char * const da7213_dac_soft_mute_rate_txt[] = {
150 	"1", "2", "4", "8", "16", "32", "64"
151 };
152 
153 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
154 			    DA7213_DAC_FILTERS5,
155 			    DA7213_DAC_SOFTMUTE_RATE_SHIFT,
156 			    da7213_dac_soft_mute_rate_txt);
157 
158 /* ALC Attack Rate select */
159 static const char * const da7213_alc_attack_rate_txt[] = {
160 	"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
161 	"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
162 };
163 
164 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
165 			    DA7213_ALC_CTRL2,
166 			    DA7213_ALC_ATTACK_SHIFT,
167 			    da7213_alc_attack_rate_txt);
168 
169 /* ALC Release Rate select */
170 static const char * const da7213_alc_release_rate_txt[] = {
171 	"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
172 	"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
173 };
174 
175 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
176 			    DA7213_ALC_CTRL2,
177 			    DA7213_ALC_RELEASE_SHIFT,
178 			    da7213_alc_release_rate_txt);
179 
180 /* ALC Hold Time select */
181 static const char * const da7213_alc_hold_time_txt[] = {
182 	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
183 	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
184 	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
185 };
186 
187 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
188 			    DA7213_ALC_CTRL3,
189 			    DA7213_ALC_HOLD_SHIFT,
190 			    da7213_alc_hold_time_txt);
191 
192 /* ALC Input Signal Tracking rate select */
193 static const char * const da7213_alc_integ_rate_txt[] = {
194 	"1/4", "1/16", "1/256", "1/65536"
195 };
196 
197 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
198 			    DA7213_ALC_CTRL3,
199 			    DA7213_ALC_INTEG_ATTACK_SHIFT,
200 			    da7213_alc_integ_rate_txt);
201 
202 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
203 			    DA7213_ALC_CTRL3,
204 			    DA7213_ALC_INTEG_RELEASE_SHIFT,
205 			    da7213_alc_integ_rate_txt);
206 
207 
208 /*
209  * Control Functions
210  */
211 
212 /* Locked Kcontrol calls */
213 static int da7213_volsw_locked_get(struct snd_kcontrol *kcontrol,
214 				   struct snd_ctl_elem_value *ucontrol)
215 {
216 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
217 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
218 	int ret;
219 
220 	mutex_lock(&da7213->ctrl_lock);
221 	ret = snd_soc_get_volsw(kcontrol, ucontrol);
222 	mutex_unlock(&da7213->ctrl_lock);
223 
224 	return ret;
225 }
226 
227 static int da7213_volsw_locked_put(struct snd_kcontrol *kcontrol,
228 				   struct snd_ctl_elem_value *ucontrol)
229 {
230 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
231 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
232 	int ret;
233 
234 	mutex_lock(&da7213->ctrl_lock);
235 	ret = snd_soc_put_volsw(kcontrol, ucontrol);
236 	mutex_unlock(&da7213->ctrl_lock);
237 
238 	return ret;
239 }
240 
241 static int da7213_enum_locked_get(struct snd_kcontrol *kcontrol,
242 				struct snd_ctl_elem_value *ucontrol)
243 {
244 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
245 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
246 	int ret;
247 
248 	mutex_lock(&da7213->ctrl_lock);
249 	ret = snd_soc_get_enum_double(kcontrol, ucontrol);
250 	mutex_unlock(&da7213->ctrl_lock);
251 
252 	return ret;
253 }
254 
255 static int da7213_enum_locked_put(struct snd_kcontrol *kcontrol,
256 				struct snd_ctl_elem_value *ucontrol)
257 {
258 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
259 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
260 	int ret;
261 
262 	mutex_lock(&da7213->ctrl_lock);
263 	ret = snd_soc_put_enum_double(kcontrol, ucontrol);
264 	mutex_unlock(&da7213->ctrl_lock);
265 
266 	return ret;
267 }
268 
269 /* ALC */
270 static int da7213_get_alc_data(struct snd_soc_component *component, u8 reg_val)
271 {
272 	int mid_data, top_data;
273 	int sum = 0;
274 	u8 iteration;
275 
276 	for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
277 	     iteration++) {
278 		/* Select the left or right channel and capture data */
279 		snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
280 
281 		/* Select middle 8 bits for read back from data register */
282 		snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
283 			      reg_val | DA7213_ALC_DATA_MIDDLE);
284 		mid_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
285 
286 		/* Select top 8 bits for read back from data register */
287 		snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
288 			      reg_val | DA7213_ALC_DATA_TOP);
289 		top_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
290 
291 		sum += ((mid_data << 8) | (top_data << 16));
292 	}
293 
294 	return sum / DA7213_ALC_AVG_ITERATIONS;
295 }
296 
297 static void da7213_alc_calib_man(struct snd_soc_component *component)
298 {
299 	u8 reg_val;
300 	int avg_left_data, avg_right_data, offset_l, offset_r;
301 
302 	/* Calculate average for Left and Right data */
303 	/* Left Data */
304 	avg_left_data = da7213_get_alc_data(component,
305 			DA7213_ALC_CIC_OP_CHANNEL_LEFT);
306 	/* Right Data */
307 	avg_right_data = da7213_get_alc_data(component,
308 			 DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
309 
310 	/* Calculate DC offset */
311 	offset_l = -avg_left_data;
312 	offset_r = -avg_right_data;
313 
314 	reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
315 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
316 	reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
317 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
318 
319 	reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
320 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
321 	reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
322 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
323 
324 	/* Enable analog/digital gain mode & offset cancellation */
325 	snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
326 			    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
327 			    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
328 }
329 
330 static void da7213_alc_calib_auto(struct snd_soc_component *component)
331 {
332 	u8 alc_ctrl1;
333 
334 	/* Begin auto calibration and wait for completion */
335 	snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
336 			    DA7213_ALC_AUTO_CALIB_EN);
337 	do {
338 		alc_ctrl1 = snd_soc_component_read(component, DA7213_ALC_CTRL1);
339 	} while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
340 
341 	/* If auto calibration fails, fall back to digital gain only mode */
342 	if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
343 		dev_warn(component->dev,
344 			 "ALC auto calibration failed with overflow\n");
345 		snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
346 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
347 				    0);
348 	} else {
349 		/* Enable analog/digital gain mode & offset cancellation */
350 		snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
351 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
352 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
353 	}
354 
355 }
356 
357 static void da7213_alc_calib(struct snd_soc_component *component)
358 {
359 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
360 	u8 adc_l_ctrl, adc_r_ctrl;
361 	u8 mixin_l_sel, mixin_r_sel;
362 	u8 mic_1_ctrl, mic_2_ctrl;
363 
364 	/* Save current values from ADC control registers */
365 	adc_l_ctrl = snd_soc_component_read(component, DA7213_ADC_L_CTRL);
366 	adc_r_ctrl = snd_soc_component_read(component, DA7213_ADC_R_CTRL);
367 
368 	/* Save current values from MIXIN_L/R_SELECT registers */
369 	mixin_l_sel = snd_soc_component_read(component, DA7213_MIXIN_L_SELECT);
370 	mixin_r_sel = snd_soc_component_read(component, DA7213_MIXIN_R_SELECT);
371 
372 	/* Save current values from MIC control registers */
373 	mic_1_ctrl = snd_soc_component_read(component, DA7213_MIC_1_CTRL);
374 	mic_2_ctrl = snd_soc_component_read(component, DA7213_MIC_2_CTRL);
375 
376 	/* Enable ADC Left and Right */
377 	snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
378 			    DA7213_ADC_EN);
379 	snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
380 			    DA7213_ADC_EN);
381 
382 	/* Enable MIC paths */
383 	snd_soc_component_update_bits(component, DA7213_MIXIN_L_SELECT,
384 			    DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
385 			    DA7213_MIXIN_L_MIX_SELECT_MIC_2,
386 			    DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
387 			    DA7213_MIXIN_L_MIX_SELECT_MIC_2);
388 	snd_soc_component_update_bits(component, DA7213_MIXIN_R_SELECT,
389 			    DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
390 			    DA7213_MIXIN_R_MIX_SELECT_MIC_1,
391 			    DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
392 			    DA7213_MIXIN_R_MIX_SELECT_MIC_1);
393 
394 	/* Mute MIC PGAs */
395 	snd_soc_component_update_bits(component, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
396 			    DA7213_MUTE_EN);
397 	snd_soc_component_update_bits(component, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
398 			    DA7213_MUTE_EN);
399 
400 	/* Perform calibration */
401 	if (da7213->alc_calib_auto)
402 		da7213_alc_calib_auto(component);
403 	else
404 		da7213_alc_calib_man(component);
405 
406 	/* Restore MIXIN_L/R_SELECT registers to their original states */
407 	snd_soc_component_write(component, DA7213_MIXIN_L_SELECT, mixin_l_sel);
408 	snd_soc_component_write(component, DA7213_MIXIN_R_SELECT, mixin_r_sel);
409 
410 	/* Restore ADC control registers to their original states */
411 	snd_soc_component_write(component, DA7213_ADC_L_CTRL, adc_l_ctrl);
412 	snd_soc_component_write(component, DA7213_ADC_R_CTRL, adc_r_ctrl);
413 
414 	/* Restore original values of MIC control registers */
415 	snd_soc_component_write(component, DA7213_MIC_1_CTRL, mic_1_ctrl);
416 	snd_soc_component_write(component, DA7213_MIC_2_CTRL, mic_2_ctrl);
417 }
418 
419 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
420 				struct snd_ctl_elem_value *ucontrol)
421 {
422 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
423 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
424 	int ret;
425 
426 	ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
427 
428 	/* If ALC in operation, make sure calibrated offsets are updated */
429 	if ((!ret) && (da7213->alc_en))
430 		da7213_alc_calib(component);
431 
432 	return ret;
433 }
434 
435 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
436 			    struct snd_ctl_elem_value *ucontrol)
437 {
438 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
439 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
440 
441 	/* Force ALC offset calibration if enabling ALC */
442 	if (ucontrol->value.integer.value[0] ||
443 	    ucontrol->value.integer.value[1]) {
444 		if (!da7213->alc_en) {
445 			da7213_alc_calib(component);
446 			da7213->alc_en = true;
447 		}
448 	} else {
449 		da7213->alc_en = false;
450 	}
451 
452 	return snd_soc_put_volsw(kcontrol, ucontrol);
453 }
454 
455 /* ToneGen */
456 static int da7213_tonegen_freq_get(struct snd_kcontrol *kcontrol,
457 				   struct snd_ctl_elem_value *ucontrol)
458 {
459 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
460 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
461 	struct soc_mixer_control *mixer_ctrl =
462 		(struct soc_mixer_control *) kcontrol->private_value;
463 	unsigned int reg = mixer_ctrl->reg;
464 	__le16 val;
465 	int ret;
466 
467 	mutex_lock(&da7213->ctrl_lock);
468 	ret = regmap_raw_read(da7213->regmap, reg, &val, sizeof(val));
469 	mutex_unlock(&da7213->ctrl_lock);
470 
471 	if (ret)
472 		return ret;
473 
474 	/*
475 	 * Frequency value spans two 8-bit registers, lower then upper byte.
476 	 * Therefore we need to convert to host endianness here.
477 	 */
478 	ucontrol->value.integer.value[0] = le16_to_cpu(val);
479 
480 	return 0;
481 }
482 
483 static int da7213_tonegen_freq_put(struct snd_kcontrol *kcontrol,
484 				   struct snd_ctl_elem_value *ucontrol)
485 {
486 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
487 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
488 	struct soc_mixer_control *mixer_ctrl =
489 		(struct soc_mixer_control *) kcontrol->private_value;
490 	unsigned int reg = mixer_ctrl->reg;
491 	__le16 val_new, val_old;
492 	int ret;
493 
494 	/*
495 	 * Frequency value spans two 8-bit registers, lower then upper byte.
496 	 * Therefore we need to convert to little endian here to align with
497 	 * HW registers.
498 	 */
499 	val_new = cpu_to_le16(ucontrol->value.integer.value[0]);
500 
501 	mutex_lock(&da7213->ctrl_lock);
502 	ret = regmap_raw_read(da7213->regmap, reg, &val_old, sizeof(val_old));
503 	if (ret == 0 && (val_old != val_new))
504 		ret = regmap_raw_write(da7213->regmap, reg,
505 				&val_new, sizeof(val_new));
506 	mutex_unlock(&da7213->ctrl_lock);
507 
508 	if (ret < 0)
509 		return ret;
510 
511 	return val_old != val_new;
512 }
513 
514 /*
515  * KControls
516  */
517 
518 static const struct snd_kcontrol_new da7213_snd_controls[] = {
519 
520 	/* Volume controls */
521 	SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
522 		       DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
523 		       DA7213_NO_INVERT, mic_vol_tlv),
524 	SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
525 		       DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
526 		       DA7213_NO_INVERT, mic_vol_tlv),
527 	SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
528 			 DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
529 			 DA7213_NO_INVERT, aux_vol_tlv),
530 	SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
531 			     DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
532 			     DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
533 			     snd_soc_get_volsw_2r, da7213_put_mixin_gain,
534 			     mixin_gain_tlv),
535 	SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
536 			 DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
537 			 DA7213_NO_INVERT, digital_gain_tlv),
538 	SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
539 			 DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
540 			 DA7213_NO_INVERT, digital_gain_tlv),
541 	SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
542 			 DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
543 			 DA7213_NO_INVERT, hp_vol_tlv),
544 	SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
545 		       DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
546 		       DA7213_NO_INVERT, lineout_vol_tlv),
547 
548 	/* DAC Equalizer controls */
549 	SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
550 		   DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
551 	SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
552 		       DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
553 		       DA7213_NO_INVERT, eq_gain_tlv),
554 	SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
555 		       DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
556 		       DA7213_NO_INVERT, eq_gain_tlv),
557 	SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
558 		       DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
559 		       DA7213_NO_INVERT, eq_gain_tlv),
560 	SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
561 		       DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
562 		       DA7213_NO_INVERT, eq_gain_tlv),
563 	SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
564 		       DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
565 		       DA7213_NO_INVERT, eq_gain_tlv),
566 
567 	/* High Pass Filter and Voice Mode controls */
568 	SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
569 		   DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
570 	SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
571 	SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
572 		   DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
573 		   DA7213_NO_INVERT),
574 	SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
575 
576 	SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
577 		   DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
578 	SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
579 	SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
580 		   DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
581 		   DA7213_NO_INVERT),
582 	SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
583 
584 	/* Mute controls */
585 	SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
586 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
587 	SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
588 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
589 	SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
590 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
591 	SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
592 		     DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
593 		     DA7213_MUTE_EN_MAX, DA7213_INVERT),
594 	SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
595 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
596 	SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
597 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
598 	SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
599 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
600 	SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
601 		   DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
602 		   DA7213_NO_INVERT),
603 	SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
604 
605 	/* Zero Cross controls */
606 	SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
607 		     DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
608 	SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
609 		     DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
610 		     DA7213_NO_INVERT),
611 	SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
612 		     DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
613 
614 	/* Tone Generator */
615 	SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7213_TONE_GEN_CFG2,
616 			   DA7213_TONE_GEN_GAIN_SHIFT, DA7213_TONE_GEN_GAIN_MAX,
617 			   DA7213_NO_INVERT, da7213_volsw_locked_get,
618 			   da7213_volsw_locked_put, da7213_tonegen_gain_tlv),
619 	SOC_ENUM_EXT("ToneGen DTMF Key", da7213_tonegen_dtmf_key,
620 		     da7213_enum_locked_get, da7213_enum_locked_put),
621 	SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7213_TONE_GEN_CFG1,
622 		       DA7213_DTMF_EN_SHIFT, DA7213_SWITCH_EN_MAX,
623 		       DA7213_NO_INVERT, da7213_volsw_locked_get,
624 		       da7213_volsw_locked_put),
625 	SOC_SINGLE_EXT("ToneGen Start", DA7213_TONE_GEN_CFG1,
626 		       DA7213_START_STOPN_SHIFT, DA7213_SWITCH_EN_MAX,
627 		       DA7213_NO_INVERT, da7213_volsw_locked_get,
628 		       da7213_volsw_locked_put),
629 	SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7213_tonegen_swg_sel,
630 		     da7213_enum_locked_get, da7213_enum_locked_put),
631 	SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7213_TONE_GEN_FREQ1_L,
632 		       DA7213_FREQ1_L_SHIFT, DA7213_FREQ_MAX, DA7213_NO_INVERT,
633 		       da7213_tonegen_freq_get, da7213_tonegen_freq_put),
634 	SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7213_TONE_GEN_FREQ2_L,
635 		       DA7213_FREQ2_L_SHIFT, DA7213_FREQ_MAX, DA7213_NO_INVERT,
636 		       da7213_tonegen_freq_get, da7213_tonegen_freq_put),
637 	SOC_SINGLE_EXT("ToneGen On Time", DA7213_TONE_GEN_ON_PER,
638 		       DA7213_BEEP_ON_PER_SHIFT, DA7213_BEEP_ON_OFF_MAX,
639 		       DA7213_NO_INVERT, da7213_volsw_locked_get,
640 		       da7213_volsw_locked_put),
641 	SOC_SINGLE("ToneGen Off Time", DA7213_TONE_GEN_OFF_PER,
642 		   DA7213_BEEP_OFF_PER_SHIFT, DA7213_BEEP_ON_OFF_MAX,
643 		   DA7213_NO_INVERT),
644 
645 	/* Gain Ramping controls */
646 	SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
647 		     DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
648 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
649 	SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
650 		     DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
651 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
652 	SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
653 		     DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
654 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
655 	SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
656 		     DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
657 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
658 	SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
659 		     DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
660 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
661 	SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
662 		   DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
663 		   DA7213_NO_INVERT),
664 	SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
665 
666 	/* DAC Noise Gate controls */
667 	SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
668 		   DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
669 	SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
670 	SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
671 	SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
672 	SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
673 		   DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
674 		   DA7213_NO_INVERT),
675 	SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
676 		   DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
677 		   DA7213_NO_INVERT),
678 
679 	/* DAC Routing & Inversion */
680 	SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
681 		   DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
682 		   DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
683 	SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
684 		   DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
685 		   DA7213_NO_INVERT),
686 
687 	/* DMIC controls */
688 	SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
689 		     DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
690 		     DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
691 
692 	/* ALC Controls */
693 	SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
694 		       DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
695 		       DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
696 	SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
697 	SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
698 	SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
699 	/*
700 	 * Rate at which input signal envelope is tracked as the signal gets
701 	 * larger
702 	 */
703 	SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
704 	/*
705 	 * Rate at which input signal envelope is tracked as the signal gets
706 	 * smaller
707 	 */
708 	SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
709 	SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
710 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
711 		       DA7213_INVERT, alc_threshold_tlv),
712 	SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
713 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
714 		       DA7213_INVERT, alc_threshold_tlv),
715 	SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
716 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
717 		       DA7213_INVERT, alc_threshold_tlv),
718 	SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
719 		       DA7213_ALC_ATTEN_MAX_SHIFT,
720 		       DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
721 		       alc_gain_tlv),
722 	SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
723 		       DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
724 		       DA7213_NO_INVERT, alc_gain_tlv),
725 	SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
726 		       DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
727 		       DA7213_NO_INVERT, alc_analog_gain_tlv),
728 	SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
729 		       DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
730 		       DA7213_NO_INVERT, alc_analog_gain_tlv),
731 	SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
732 		   DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
733 		   DA7213_NO_INVERT),
734 	SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
735 		   DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
736 		   DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
737 };
738 
739 
740 /*
741  * DAPM
742  */
743 
744 /*
745  * Enums
746  */
747 
748 /* MIC PGA source select */
749 static const char * const da7213_mic_amp_in_sel_txt[] = {
750 	"Differential", "MIC_P", "MIC_N"
751 };
752 
753 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
754 			    DA7213_MIC_1_CTRL,
755 			    DA7213_MIC_AMP_IN_SEL_SHIFT,
756 			    da7213_mic_amp_in_sel_txt);
757 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
758 	SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
759 
760 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
761 			    DA7213_MIC_2_CTRL,
762 			    DA7213_MIC_AMP_IN_SEL_SHIFT,
763 			    da7213_mic_amp_in_sel_txt);
764 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
765 	SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
766 
767 /* DAI routing select */
768 static const char * const da7213_dai_src_txt[] = {
769 	"ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
770 };
771 
772 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
773 			    DA7213_DIG_ROUTING_DAI,
774 			    DA7213_DAI_L_SRC_SHIFT,
775 			    da7213_dai_src_txt);
776 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
777 	SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
778 
779 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
780 			    DA7213_DIG_ROUTING_DAI,
781 			    DA7213_DAI_R_SRC_SHIFT,
782 			    da7213_dai_src_txt);
783 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
784 	SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
785 
786 /* DAC routing select */
787 static const char * const da7213_dac_src_txt[] = {
788 	"ADC Output Left", "ADC Output Right", "DAI Input Left",
789 	"DAI Input Right"
790 };
791 
792 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
793 			    DA7213_DIG_ROUTING_DAC,
794 			    DA7213_DAC_L_SRC_SHIFT,
795 			    da7213_dac_src_txt);
796 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
797 	SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
798 
799 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
800 			    DA7213_DIG_ROUTING_DAC,
801 			    DA7213_DAC_R_SRC_SHIFT,
802 			    da7213_dac_src_txt);
803 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
804 	SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
805 
806 /*
807  * Mixer Controls
808  */
809 
810 /* Mixin Left */
811 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
812 	SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
813 			DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
814 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
815 	SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
816 			DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
817 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
818 	SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
819 			DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
820 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
821 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
822 			DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
823 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
824 };
825 
826 /* Mixin Right */
827 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
828 	SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
829 			DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
830 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
831 	SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
832 			DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
833 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
834 	SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
835 			DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
836 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
837 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
838 			DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
839 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
840 };
841 
842 /* Mixout Left */
843 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
844 	SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
845 			DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
846 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
847 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
848 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
849 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
850 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
851 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
852 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
853 	SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
854 			DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
855 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
856 	SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
857 			DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
858 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
859 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
860 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
861 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
862 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
863 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
864 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
865 };
866 
867 /* Mixout Right */
868 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
869 	SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
870 			DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
871 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
872 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
873 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
874 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
875 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
876 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
877 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
878 	SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
879 			DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
880 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
881 	SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
882 			DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
883 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
884 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
885 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
886 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
887 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
888 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
889 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
890 };
891 
892 
893 /*
894  * DAPM Events
895  */
896 
897 static int da7213_dai_event(struct snd_soc_dapm_widget *w,
898 			    struct snd_kcontrol *kcontrol, int event)
899 {
900 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
901 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
902 	u8 pll_ctrl, pll_status;
903 	int i = 0;
904 	bool srm_lock = false;
905 
906 	switch (event) {
907 	case SND_SOC_DAPM_PRE_PMU:
908 		/* Enable DAI clks for master mode */
909 		if (da7213->master)
910 			snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
911 					    DA7213_DAI_CLK_EN_MASK,
912 					    DA7213_DAI_CLK_EN_MASK);
913 
914 		/* PC synchronised to DAI */
915 		snd_soc_component_update_bits(component, DA7213_PC_COUNT,
916 				    DA7213_PC_FREERUN_MASK, 0);
917 
918 		/* If SRM not enabled then nothing more to do */
919 		pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
920 		if (!(pll_ctrl & DA7213_PLL_SRM_EN))
921 			return 0;
922 
923 		/* Assist 32KHz mode PLL lock */
924 		if (pll_ctrl & DA7213_PLL_32K_MODE) {
925 			snd_soc_component_write(component, 0xF0, 0x8B);
926 			snd_soc_component_write(component, 0xF2, 0x03);
927 			snd_soc_component_write(component, 0xF0, 0x00);
928 		}
929 
930 		/* Check SRM has locked */
931 		do {
932 			pll_status = snd_soc_component_read(component, DA7213_PLL_STATUS);
933 			if (pll_status & DA7213_PLL_SRM_LOCK) {
934 				srm_lock = true;
935 			} else {
936 				++i;
937 				msleep(50);
938 			}
939 		} while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock));
940 
941 		if (!srm_lock)
942 			dev_warn(component->dev, "SRM failed to lock\n");
943 
944 		return 0;
945 	case SND_SOC_DAPM_POST_PMD:
946 		/* Revert 32KHz PLL lock udpates if applied previously */
947 		pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
948 		if (pll_ctrl & DA7213_PLL_32K_MODE) {
949 			snd_soc_component_write(component, 0xF0, 0x8B);
950 			snd_soc_component_write(component, 0xF2, 0x01);
951 			snd_soc_component_write(component, 0xF0, 0x00);
952 		}
953 
954 		/* PC free-running */
955 		snd_soc_component_update_bits(component, DA7213_PC_COUNT,
956 				    DA7213_PC_FREERUN_MASK,
957 				    DA7213_PC_FREERUN_MASK);
958 
959 		/* Disable DAI clks if in master mode */
960 		if (da7213->master)
961 			snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
962 					    DA7213_DAI_CLK_EN_MASK, 0);
963 		return 0;
964 	default:
965 		return -EINVAL;
966 	}
967 }
968 
969 
970 /*
971  * DAPM widgets
972  */
973 
974 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
975 	/*
976 	 * Power Supply
977 	 */
978 	SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0),
979 
980 	/*
981 	 * Input & Output
982 	 */
983 
984 	/* Use a supply here as this controls both input & output DAIs */
985 	SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
986 			    DA7213_NO_INVERT, da7213_dai_event,
987 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
988 
989 	/*
990 	 * Input
991 	 */
992 
993 	/* Input Lines */
994 	SND_SOC_DAPM_INPUT("MIC1"),
995 	SND_SOC_DAPM_INPUT("MIC2"),
996 	SND_SOC_DAPM_INPUT("AUXL"),
997 	SND_SOC_DAPM_INPUT("AUXR"),
998 
999 	/* MUXs for Mic PGA source selection */
1000 	SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
1001 			 &da7213_mic_1_amp_in_sel_mux),
1002 	SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
1003 			 &da7213_mic_2_amp_in_sel_mux),
1004 
1005 	/* Input PGAs */
1006 	SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
1007 			 DA7213_NO_INVERT, NULL, 0),
1008 	SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
1009 			 DA7213_NO_INVERT, NULL, 0),
1010 	SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
1011 			 DA7213_NO_INVERT, NULL, 0),
1012 	SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
1013 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1014 	SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
1015 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1016 	SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
1017 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1018 
1019 	/* Mic Biases */
1020 	SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
1021 			    DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
1022 			    NULL, 0),
1023 	SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
1024 			    DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
1025 			    NULL, 0),
1026 
1027 	/* Input Mixers */
1028 	SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
1029 			   &da7213_dapm_mixinl_controls[0],
1030 			   ARRAY_SIZE(da7213_dapm_mixinl_controls)),
1031 	SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
1032 			   &da7213_dapm_mixinr_controls[0],
1033 			   ARRAY_SIZE(da7213_dapm_mixinr_controls)),
1034 
1035 	/* ADCs */
1036 	SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
1037 			 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
1038 	SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
1039 			 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
1040 
1041 	/* DAI */
1042 	SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
1043 			 &da7213_dai_l_src_mux),
1044 	SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
1045 			 &da7213_dai_r_src_mux),
1046 	SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
1047 	SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
1048 
1049 	/*
1050 	 * Output
1051 	 */
1052 
1053 	/* DAI */
1054 	SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
1055 	SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
1056 	SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
1057 			 &da7213_dac_l_src_mux),
1058 	SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
1059 			 &da7213_dac_r_src_mux),
1060 
1061 	/* DACs */
1062 	SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
1063 			 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
1064 	SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
1065 			 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
1066 
1067 	/* Output Mixers */
1068 	SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
1069 			   &da7213_dapm_mixoutl_controls[0],
1070 			   ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
1071 	SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
1072 			   &da7213_dapm_mixoutr_controls[0],
1073 			   ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
1074 
1075 	/* Output PGAs */
1076 	SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
1077 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1078 	SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
1079 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1080 	SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
1081 			 DA7213_NO_INVERT, NULL, 0),
1082 	SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
1083 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1084 	SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
1085 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1086 
1087 	/* Charge Pump */
1088 	SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
1089 			    DA7213_NO_INVERT, NULL, 0),
1090 
1091 	/* Output Lines */
1092 	SND_SOC_DAPM_OUTPUT("HPL"),
1093 	SND_SOC_DAPM_OUTPUT("HPR"),
1094 	SND_SOC_DAPM_OUTPUT("LINE"),
1095 };
1096 
1097 
1098 /*
1099  * DAPM audio route definition
1100  */
1101 
1102 static const struct snd_soc_dapm_route da7213_audio_map[] = {
1103 	/* Dest       Connecting Widget    source */
1104 
1105 	/* Input path */
1106 	{"Mic Bias 1", NULL, "VDDMIC"},
1107 	{"Mic Bias 2", NULL, "VDDMIC"},
1108 
1109 	{"MIC1", NULL, "Mic Bias 1"},
1110 	{"MIC2", NULL, "Mic Bias 2"},
1111 
1112 	{"Mic 1 Amp Source MUX", "Differential", "MIC1"},
1113 	{"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
1114 	{"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
1115 
1116 	{"Mic 2 Amp Source MUX", "Differential", "MIC2"},
1117 	{"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
1118 	{"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
1119 
1120 	{"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
1121 	{"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
1122 
1123 	{"Aux Left PGA", NULL, "AUXL"},
1124 	{"Aux Right PGA", NULL, "AUXR"},
1125 
1126 	{"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
1127 	{"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
1128 	{"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
1129 	{"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
1130 
1131 	{"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
1132 	{"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
1133 	{"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
1134 	{"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
1135 
1136 	{"Mixin Left PGA", NULL, "Mixin Left"},
1137 	{"ADC Left", NULL, "Mixin Left PGA"},
1138 
1139 	{"Mixin Right PGA", NULL, "Mixin Right"},
1140 	{"ADC Right", NULL, "Mixin Right PGA"},
1141 
1142 	{"DAI Left Source MUX", "ADC Left", "ADC Left"},
1143 	{"DAI Left Source MUX", "ADC Right", "ADC Right"},
1144 	{"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
1145 	{"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
1146 
1147 	{"DAI Right Source MUX", "ADC Left", "ADC Left"},
1148 	{"DAI Right Source MUX", "ADC Right", "ADC Right"},
1149 	{"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
1150 	{"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
1151 
1152 	{"DAIOUTL", NULL, "DAI Left Source MUX"},
1153 	{"DAIOUTR", NULL, "DAI Right Source MUX"},
1154 
1155 	{"DAIOUTL", NULL, "DAI"},
1156 	{"DAIOUTR", NULL, "DAI"},
1157 
1158 	/* Output path */
1159 	{"DAIINL", NULL, "DAI"},
1160 	{"DAIINR", NULL, "DAI"},
1161 
1162 	{"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
1163 	{"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
1164 	{"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
1165 	{"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
1166 
1167 	{"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
1168 	{"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
1169 	{"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
1170 	{"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
1171 
1172 	{"DAC Left", NULL, "DAC Left Source MUX"},
1173 	{"DAC Right", NULL, "DAC Right Source MUX"},
1174 
1175 	{"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
1176 	{"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
1177 	{"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
1178 	{"Mixout Left", "DAC Left Switch", "DAC Left"},
1179 	{"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
1180 	{"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
1181 	{"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
1182 
1183 	{"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
1184 	{"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
1185 	{"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
1186 	{"Mixout Right", "DAC Right Switch", "DAC Right"},
1187 	{"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
1188 	{"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
1189 	{"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
1190 
1191 	{"Mixout Left PGA", NULL, "Mixout Left"},
1192 	{"Mixout Right PGA", NULL, "Mixout Right"},
1193 
1194 	{"Headphone Left PGA", NULL, "Mixout Left PGA"},
1195 	{"Headphone Left PGA", NULL, "Charge Pump"},
1196 	{"HPL", NULL, "Headphone Left PGA"},
1197 
1198 	{"Headphone Right PGA", NULL, "Mixout Right PGA"},
1199 	{"Headphone Right PGA", NULL, "Charge Pump"},
1200 	{"HPR", NULL, "Headphone Right PGA"},
1201 
1202 	{"Lineout PGA", NULL, "Mixout Right PGA"},
1203 	{"LINE", NULL, "Lineout PGA"},
1204 };
1205 
1206 static const struct reg_default da7213_reg_defaults[] = {
1207 	{ DA7213_DIG_ROUTING_DAI, 0x10 },
1208 	{ DA7213_SR, 0x0A },
1209 	{ DA7213_REFERENCES, 0x80 },
1210 	{ DA7213_PLL_FRAC_TOP, 0x00 },
1211 	{ DA7213_PLL_FRAC_BOT, 0x00 },
1212 	{ DA7213_PLL_INTEGER, 0x20 },
1213 	{ DA7213_PLL_CTRL, 0x0C },
1214 	{ DA7213_DAI_CLK_MODE, 0x01 },
1215 	{ DA7213_DAI_CTRL, 0x08 },
1216 	{ DA7213_DIG_ROUTING_DAC, 0x32 },
1217 	{ DA7213_AUX_L_GAIN, 0x35 },
1218 	{ DA7213_AUX_R_GAIN, 0x35 },
1219 	{ DA7213_MIXIN_L_SELECT, 0x00 },
1220 	{ DA7213_MIXIN_R_SELECT, 0x00 },
1221 	{ DA7213_MIXIN_L_GAIN, 0x03 },
1222 	{ DA7213_MIXIN_R_GAIN, 0x03 },
1223 	{ DA7213_ADC_L_GAIN, 0x6F },
1224 	{ DA7213_ADC_R_GAIN, 0x6F },
1225 	{ DA7213_ADC_FILTERS1, 0x80 },
1226 	{ DA7213_MIC_1_GAIN, 0x01 },
1227 	{ DA7213_MIC_2_GAIN, 0x01 },
1228 	{ DA7213_DAC_FILTERS5, 0x00 },
1229 	{ DA7213_DAC_FILTERS2, 0x88 },
1230 	{ DA7213_DAC_FILTERS3, 0x88 },
1231 	{ DA7213_DAC_FILTERS4, 0x08 },
1232 	{ DA7213_DAC_FILTERS1, 0x80 },
1233 	{ DA7213_DAC_L_GAIN, 0x6F },
1234 	{ DA7213_DAC_R_GAIN, 0x6F },
1235 	{ DA7213_CP_CTRL, 0x61 },
1236 	{ DA7213_HP_L_GAIN, 0x39 },
1237 	{ DA7213_HP_R_GAIN, 0x39 },
1238 	{ DA7213_LINE_GAIN, 0x30 },
1239 	{ DA7213_MIXOUT_L_SELECT, 0x00 },
1240 	{ DA7213_MIXOUT_R_SELECT, 0x00 },
1241 	{ DA7213_SYSTEM_MODES_INPUT, 0x00 },
1242 	{ DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
1243 	{ DA7213_AUX_L_CTRL, 0x44 },
1244 	{ DA7213_AUX_R_CTRL, 0x44 },
1245 	{ DA7213_MICBIAS_CTRL, 0x11 },
1246 	{ DA7213_MIC_1_CTRL, 0x40 },
1247 	{ DA7213_MIC_2_CTRL, 0x40 },
1248 	{ DA7213_MIXIN_L_CTRL, 0x40 },
1249 	{ DA7213_MIXIN_R_CTRL, 0x40 },
1250 	{ DA7213_ADC_L_CTRL, 0x40 },
1251 	{ DA7213_ADC_R_CTRL, 0x40 },
1252 	{ DA7213_DAC_L_CTRL, 0x48 },
1253 	{ DA7213_DAC_R_CTRL, 0x40 },
1254 	{ DA7213_HP_L_CTRL, 0x41 },
1255 	{ DA7213_HP_R_CTRL, 0x40 },
1256 	{ DA7213_LINE_CTRL, 0x40 },
1257 	{ DA7213_MIXOUT_L_CTRL, 0x10 },
1258 	{ DA7213_MIXOUT_R_CTRL, 0x10 },
1259 	{ DA7213_LDO_CTRL, 0x00 },
1260 	{ DA7213_IO_CTRL, 0x00 },
1261 	{ DA7213_GAIN_RAMP_CTRL, 0x00},
1262 	{ DA7213_MIC_CONFIG, 0x00 },
1263 	{ DA7213_PC_COUNT, 0x00 },
1264 	{ DA7213_CP_VOL_THRESHOLD1, 0x32 },
1265 	{ DA7213_CP_DELAY, 0x95 },
1266 	{ DA7213_CP_DETECTOR, 0x00 },
1267 	{ DA7213_DAI_OFFSET, 0x00 },
1268 	{ DA7213_DIG_CTRL, 0x00 },
1269 	{ DA7213_ALC_CTRL2, 0x00 },
1270 	{ DA7213_ALC_CTRL3, 0x00 },
1271 	{ DA7213_ALC_NOISE, 0x3F },
1272 	{ DA7213_ALC_TARGET_MIN, 0x3F },
1273 	{ DA7213_ALC_TARGET_MAX, 0x00 },
1274 	{ DA7213_ALC_GAIN_LIMITS, 0xFF },
1275 	{ DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1276 	{ DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1277 	{ DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1278 	{ DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1279 	{ DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1280 	{ DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1281 	{ DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1282 	{ DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1283 	{ DA7213_DAC_NG_SETUP_TIME, 0x00 },
1284 	{ DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1285 	{ DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1286 	{ DA7213_DAC_NG_CTRL, 0x00 },
1287 };
1288 
1289 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1290 {
1291 	switch (reg) {
1292 	case DA7213_STATUS1:
1293 	case DA7213_PLL_STATUS:
1294 	case DA7213_AUX_L_GAIN_STATUS:
1295 	case DA7213_AUX_R_GAIN_STATUS:
1296 	case DA7213_MIC_1_GAIN_STATUS:
1297 	case DA7213_MIC_2_GAIN_STATUS:
1298 	case DA7213_MIXIN_L_GAIN_STATUS:
1299 	case DA7213_MIXIN_R_GAIN_STATUS:
1300 	case DA7213_ADC_L_GAIN_STATUS:
1301 	case DA7213_ADC_R_GAIN_STATUS:
1302 	case DA7213_DAC_L_GAIN_STATUS:
1303 	case DA7213_DAC_R_GAIN_STATUS:
1304 	case DA7213_HP_L_GAIN_STATUS:
1305 	case DA7213_HP_R_GAIN_STATUS:
1306 	case DA7213_LINE_GAIN_STATUS:
1307 	case DA7213_ALC_CTRL1:
1308 	case DA7213_ALC_OFFSET_AUTO_M_L:
1309 	case DA7213_ALC_OFFSET_AUTO_U_L:
1310 	case DA7213_ALC_OFFSET_AUTO_M_R:
1311 	case DA7213_ALC_OFFSET_AUTO_U_R:
1312 	case DA7213_ALC_CIC_OP_LVL_DATA:
1313 		return true;
1314 	default:
1315 		return false;
1316 	}
1317 }
1318 
1319 static int da7213_hw_params(struct snd_pcm_substream *substream,
1320 			    struct snd_pcm_hw_params *params,
1321 			    struct snd_soc_dai *dai)
1322 {
1323 	struct snd_soc_component *component = dai->component;
1324 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1325 	u8 dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_64;
1326 	u8 dai_ctrl = 0;
1327 	u8 fs;
1328 
1329 	/* Set channels */
1330 	switch (params_channels(params)) {
1331 	case 1:
1332 		if (da7213->fmt != DA7213_DAI_FORMAT_DSP) {
1333 			dev_err(component->dev, "Mono supported only in DSP mode\n");
1334 			return -EINVAL;
1335 		}
1336 		dai_ctrl |= DA7213_DAI_MONO_MODE_EN;
1337 		break;
1338 	case 2:
1339 		dai_ctrl &= ~(DA7213_DAI_MONO_MODE_EN);
1340 		break;
1341 	default:
1342 		return -EINVAL;
1343 	}
1344 
1345 	/* Set DAI format */
1346 	switch (params_width(params)) {
1347 	case 16:
1348 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1349 		dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_32; /* 32bit for 1ch and 2ch */
1350 		break;
1351 	case 20:
1352 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1353 		break;
1354 	case 24:
1355 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1356 		break;
1357 	case 32:
1358 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1359 		break;
1360 	default:
1361 		return -EINVAL;
1362 	}
1363 
1364 	/* Set sampling rate */
1365 	switch (params_rate(params)) {
1366 	case 8000:
1367 		fs = DA7213_SR_8000;
1368 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1369 		break;
1370 	case 11025:
1371 		fs = DA7213_SR_11025;
1372 		da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1373 		break;
1374 	case 12000:
1375 		fs = DA7213_SR_12000;
1376 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1377 		break;
1378 	case 16000:
1379 		fs = DA7213_SR_16000;
1380 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1381 		break;
1382 	case 22050:
1383 		fs = DA7213_SR_22050;
1384 		da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1385 		break;
1386 	case 32000:
1387 		fs = DA7213_SR_32000;
1388 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1389 		break;
1390 	case 44100:
1391 		fs = DA7213_SR_44100;
1392 		da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1393 		break;
1394 	case 48000:
1395 		fs = DA7213_SR_48000;
1396 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1397 		break;
1398 	case 88200:
1399 		fs = DA7213_SR_88200;
1400 		da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1401 		break;
1402 	case 96000:
1403 		fs = DA7213_SR_96000;
1404 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1405 		break;
1406 	default:
1407 		return -EINVAL;
1408 	}
1409 
1410 	snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
1411 		DA7213_DAI_BCLKS_PER_WCLK_MASK, dai_clk_mode);
1412 
1413 	snd_soc_component_update_bits(component, DA7213_DAI_CTRL,
1414 		DA7213_DAI_WORD_LENGTH_MASK | DA7213_DAI_MONO_MODE_MASK, dai_ctrl);
1415 	snd_soc_component_write(component, DA7213_SR, fs);
1416 
1417 	return 0;
1418 }
1419 
1420 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1421 {
1422 	struct snd_soc_component *component = codec_dai->component;
1423 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1424 	u8 dai_clk_mode = 0, dai_ctrl = 0;
1425 	u8 dai_offset = 0;
1426 
1427 	/* Set master/slave mode */
1428 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1429 	case SND_SOC_DAIFMT_CBP_CFP:
1430 		da7213->master = true;
1431 		break;
1432 	case SND_SOC_DAIFMT_CBC_CFC:
1433 		da7213->master = false;
1434 		break;
1435 	default:
1436 		return -EINVAL;
1437 	}
1438 
1439 	/* Set clock normal/inverted */
1440 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1441 	case SND_SOC_DAIFMT_I2S:
1442 	case SND_SOC_DAIFMT_LEFT_J:
1443 	case SND_SOC_DAIFMT_RIGHT_J:
1444 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1445 		case SND_SOC_DAIFMT_NB_NF:
1446 			break;
1447 		case SND_SOC_DAIFMT_NB_IF:
1448 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1449 			break;
1450 		case SND_SOC_DAIFMT_IB_NF:
1451 			dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1452 			break;
1453 		case SND_SOC_DAIFMT_IB_IF:
1454 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1455 					DA7213_DAI_CLK_POL_INV;
1456 			break;
1457 		default:
1458 			return -EINVAL;
1459 		}
1460 		break;
1461 	case SND_SOC_DAIFMT_DSP_A:
1462 	case SND_SOC_DAIFMT_DSP_B:
1463 		/* The bclk is inverted wrt ASoC conventions */
1464 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1465 		case SND_SOC_DAIFMT_NB_NF:
1466 			dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1467 			break;
1468 		case SND_SOC_DAIFMT_NB_IF:
1469 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1470 					DA7213_DAI_CLK_POL_INV;
1471 			break;
1472 		case SND_SOC_DAIFMT_IB_NF:
1473 			break;
1474 		case SND_SOC_DAIFMT_IB_IF:
1475 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1476 			break;
1477 		default:
1478 			return -EINVAL;
1479 		}
1480 		break;
1481 	default:
1482 		return -EINVAL;
1483 	}
1484 
1485 	/* Only I2S is supported */
1486 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1487 	case SND_SOC_DAIFMT_I2S:
1488 		dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1489 		da7213->fmt = DA7213_DAI_FORMAT_I2S_MODE;
1490 		break;
1491 	case SND_SOC_DAIFMT_LEFT_J:
1492 		dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1493 		da7213->fmt = DA7213_DAI_FORMAT_LEFT_J;
1494 		break;
1495 	case SND_SOC_DAIFMT_RIGHT_J:
1496 		dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1497 		da7213->fmt = DA7213_DAI_FORMAT_RIGHT_J;
1498 		break;
1499 	case SND_SOC_DAIFMT_DSP_A: /* L data MSB after FRM LRC */
1500 		dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1501 		dai_offset = 1;
1502 		da7213->fmt = DA7213_DAI_FORMAT_DSP;
1503 		break;
1504 	case SND_SOC_DAIFMT_DSP_B: /* L data MSB during FRM LRC */
1505 		dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1506 		da7213->fmt = DA7213_DAI_FORMAT_DSP;
1507 		break;
1508 	default:
1509 		return -EINVAL;
1510 	}
1511 
1512 	/* By default only 64 BCLK per WCLK is supported */
1513 	dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
1514 
1515 	snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
1516 			    DA7213_DAI_BCLKS_PER_WCLK_MASK |
1517 			    DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK,
1518 			    dai_clk_mode);
1519 	snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1520 			    dai_ctrl);
1521 	snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset);
1522 
1523 	return 0;
1524 }
1525 
1526 static int da7213_mute(struct snd_soc_dai *dai, int mute, int direction)
1527 {
1528 	struct snd_soc_component *component = dai->component;
1529 
1530 	if (mute) {
1531 		snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1532 				    DA7213_MUTE_EN, DA7213_MUTE_EN);
1533 		snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1534 				    DA7213_MUTE_EN, DA7213_MUTE_EN);
1535 	} else {
1536 		snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1537 				    DA7213_MUTE_EN, 0);
1538 		snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1539 				    DA7213_MUTE_EN, 0);
1540 	}
1541 
1542 	return 0;
1543 }
1544 
1545 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1546 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1547 
1548 static int da7213_set_component_sysclk(struct snd_soc_component *component,
1549 				       int clk_id, int source,
1550 				       unsigned int freq, int dir)
1551 {
1552 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1553 	int ret = 0;
1554 
1555 	if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1556 		return 0;
1557 
1558 	if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1559 		dev_err(component->dev, "Unsupported MCLK value %d\n",
1560 			freq);
1561 		return -EINVAL;
1562 	}
1563 
1564 	switch (clk_id) {
1565 	case DA7213_CLKSRC_MCLK:
1566 		snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1567 				    DA7213_PLL_MCLK_SQR_EN, 0);
1568 		break;
1569 	case DA7213_CLKSRC_MCLK_SQR:
1570 		snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1571 				    DA7213_PLL_MCLK_SQR_EN,
1572 				    DA7213_PLL_MCLK_SQR_EN);
1573 		break;
1574 	default:
1575 		dev_err(component->dev, "Unknown clock source %d\n", clk_id);
1576 		return -EINVAL;
1577 	}
1578 
1579 	da7213->clk_src = clk_id;
1580 
1581 	if (da7213->mclk) {
1582 		freq = clk_round_rate(da7213->mclk, freq);
1583 		ret = clk_set_rate(da7213->mclk, freq);
1584 		if (ret) {
1585 			dev_err(component->dev, "Failed to set clock rate %d\n",
1586 				freq);
1587 			return ret;
1588 		}
1589 	}
1590 
1591 	da7213->mclk_rate = freq;
1592 
1593 	return 0;
1594 }
1595 
1596 /* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
1597 static int _da7213_set_component_pll(struct snd_soc_component *component,
1598 				     int pll_id, int source,
1599 				     unsigned int fref, unsigned int fout)
1600 {
1601 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1602 
1603 	u8 pll_ctrl, indiv_bits, indiv;
1604 	u8 pll_frac_top, pll_frac_bot, pll_integer;
1605 	u32 freq_ref;
1606 	u64 frac_div;
1607 
1608 	/* Workout input divider based on MCLK rate */
1609 	if (da7213->mclk_rate == 32768) {
1610 		if (!da7213->master) {
1611 			dev_err(component->dev,
1612 				"32KHz only valid if codec is clock master\n");
1613 			return -EINVAL;
1614 		}
1615 
1616 		/* 32KHz PLL Mode */
1617 		indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1618 		indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1619 		source = DA7213_SYSCLK_PLL_32KHZ;
1620 		freq_ref = 3750000;
1621 
1622 	} else {
1623 		if (da7213->mclk_rate < 5000000) {
1624 			dev_err(component->dev,
1625 				"PLL input clock %d below valid range\n",
1626 				da7213->mclk_rate);
1627 			return -EINVAL;
1628 		} else if (da7213->mclk_rate <= 9000000) {
1629 			indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
1630 			indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
1631 		} else if (da7213->mclk_rate <= 18000000) {
1632 			indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1633 			indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1634 		} else if (da7213->mclk_rate <= 36000000) {
1635 			indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
1636 			indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
1637 		} else if (da7213->mclk_rate <= 54000000) {
1638 			indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
1639 			indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
1640 		} else {
1641 			dev_err(component->dev,
1642 				"PLL input clock %d above valid range\n",
1643 				da7213->mclk_rate);
1644 			return -EINVAL;
1645 		}
1646 		freq_ref = (da7213->mclk_rate / indiv);
1647 	}
1648 
1649 	pll_ctrl = indiv_bits;
1650 
1651 	/* Configure PLL */
1652 	switch (source) {
1653 	case DA7213_SYSCLK_MCLK:
1654 		snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1655 				    DA7213_PLL_INDIV_MASK |
1656 				    DA7213_PLL_MODE_MASK, pll_ctrl);
1657 		return 0;
1658 	case DA7213_SYSCLK_PLL:
1659 		break;
1660 	case DA7213_SYSCLK_PLL_SRM:
1661 		pll_ctrl |= DA7213_PLL_SRM_EN;
1662 		fout = DA7213_PLL_FREQ_OUT_94310400;
1663 		break;
1664 	case DA7213_SYSCLK_PLL_32KHZ:
1665 		if (da7213->mclk_rate != 32768) {
1666 			dev_err(component->dev,
1667 				"32KHz mode only valid with 32KHz MCLK\n");
1668 			return -EINVAL;
1669 		}
1670 
1671 		pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
1672 		fout = DA7213_PLL_FREQ_OUT_94310400;
1673 		break;
1674 	default:
1675 		dev_err(component->dev, "Invalid PLL config\n");
1676 		return -EINVAL;
1677 	}
1678 
1679 	/* Calculate dividers for PLL */
1680 	pll_integer = fout / freq_ref;
1681 	frac_div = (u64)(fout % freq_ref) * 8192ULL;
1682 	do_div(frac_div, freq_ref);
1683 	pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1684 	pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1685 
1686 	/* Write PLL dividers */
1687 	snd_soc_component_write(component, DA7213_PLL_FRAC_TOP, pll_frac_top);
1688 	snd_soc_component_write(component, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1689 	snd_soc_component_write(component, DA7213_PLL_INTEGER, pll_integer);
1690 
1691 	/* Enable PLL */
1692 	pll_ctrl |= DA7213_PLL_EN;
1693 	snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1694 			    DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
1695 			    pll_ctrl);
1696 
1697 	/* Assist 32KHz mode PLL lock */
1698 	if (source == DA7213_SYSCLK_PLL_32KHZ) {
1699 		snd_soc_component_write(component, 0xF0, 0x8B);
1700 		snd_soc_component_write(component, 0xF1, 0x03);
1701 		snd_soc_component_write(component, 0xF1, 0x01);
1702 		snd_soc_component_write(component, 0xF0, 0x00);
1703 	}
1704 
1705 	return 0;
1706 }
1707 
1708 static int da7213_set_component_pll(struct snd_soc_component *component,
1709 				    int pll_id, int source,
1710 				    unsigned int fref, unsigned int fout)
1711 {
1712 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1713 	da7213->fixed_clk_auto_pll = false;
1714 
1715 	return _da7213_set_component_pll(component, pll_id, source, fref, fout);
1716 }
1717 
1718 /*
1719  * Select below from Sound Card, not Auto
1720  *	SND_SOC_DAIFMT_CBC_CFC
1721  *	SND_SOC_DAIFMT_CBP_CFP
1722  */
1723 static const u64 da7213_dai_formats =
1724 	SND_SOC_POSSIBLE_DAIFMT_I2S	|
1725 	SND_SOC_POSSIBLE_DAIFMT_LEFT_J	|
1726 	SND_SOC_POSSIBLE_DAIFMT_RIGHT_J	|
1727 	SND_SOC_POSSIBLE_DAIFMT_DSP_A	|
1728 	SND_SOC_POSSIBLE_DAIFMT_DSP_B	|
1729 	SND_SOC_POSSIBLE_DAIFMT_NB_NF	|
1730 	SND_SOC_POSSIBLE_DAIFMT_NB_IF	|
1731 	SND_SOC_POSSIBLE_DAIFMT_IB_NF	|
1732 	SND_SOC_POSSIBLE_DAIFMT_IB_IF;
1733 
1734 /* DAI operations */
1735 static const struct snd_soc_dai_ops da7213_dai_ops = {
1736 	.hw_params	= da7213_hw_params,
1737 	.set_fmt	= da7213_set_dai_fmt,
1738 	.mute_stream	= da7213_mute,
1739 	.no_capture_mute = 1,
1740 	.auto_selectable_formats	= &da7213_dai_formats,
1741 	.num_auto_selectable_formats	= 1,
1742 };
1743 
1744 static struct snd_soc_dai_driver da7213_dai = {
1745 	.name = "da7213-hifi",
1746 	/* Playback Capabilities */
1747 	.playback = {
1748 		.stream_name = "Playback",
1749 		.channels_min = 1,
1750 		.channels_max = 2,
1751 		.rates = SNDRV_PCM_RATE_8000_96000,
1752 		.formats = DA7213_FORMATS,
1753 	},
1754 	/* Capture Capabilities */
1755 	.capture = {
1756 		.stream_name = "Capture",
1757 		.channels_min = 1,
1758 		.channels_max = 2,
1759 		.rates = SNDRV_PCM_RATE_8000_96000,
1760 		.formats = DA7213_FORMATS,
1761 	},
1762 	.ops = &da7213_dai_ops,
1763 	.symmetric_rate = 1,
1764 };
1765 
1766 static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable)
1767 {
1768 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1769 	int mode;
1770 
1771 	if (!da7213->fixed_clk_auto_pll)
1772 		return 0;
1773 
1774 	da7213->mclk_rate = clk_get_rate(da7213->mclk);
1775 
1776 	if (enable) {
1777 		/* Slave mode needs SRM for non-harmonic frequencies */
1778 		if (da7213->master)
1779 			mode = DA7213_SYSCLK_PLL;
1780 		else
1781 			mode = DA7213_SYSCLK_PLL_SRM;
1782 
1783 		/* PLL is not required for harmonic frequencies */
1784 		switch (da7213->out_rate) {
1785 		case DA7213_PLL_FREQ_OUT_90316800:
1786 			if (da7213->mclk_rate == 11289600 ||
1787 			    da7213->mclk_rate == 22579200 ||
1788 			    da7213->mclk_rate == 45158400)
1789 				mode = DA7213_SYSCLK_MCLK;
1790 			break;
1791 		case DA7213_PLL_FREQ_OUT_98304000:
1792 			if (da7213->mclk_rate == 12288000 ||
1793 			    da7213->mclk_rate == 24576000 ||
1794 			    da7213->mclk_rate == 49152000)
1795 				mode = DA7213_SYSCLK_MCLK;
1796 
1797 			break;
1798 		default:
1799 			return -1;
1800 		}
1801 	} else {
1802 		/* Disable PLL in standby */
1803 		mode = DA7213_SYSCLK_MCLK;
1804 	}
1805 
1806 	return _da7213_set_component_pll(component, 0, mode,
1807 					 da7213->mclk_rate, da7213->out_rate);
1808 }
1809 
1810 static int da7213_set_bias_level(struct snd_soc_component *component,
1811 				 enum snd_soc_bias_level level)
1812 {
1813 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1814 	int ret;
1815 
1816 	switch (level) {
1817 	case SND_SOC_BIAS_ON:
1818 		break;
1819 	case SND_SOC_BIAS_PREPARE:
1820 		/* Enable MCLK for transition to ON state */
1821 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1822 			if (da7213->mclk) {
1823 				ret = clk_prepare_enable(da7213->mclk);
1824 				if (ret) {
1825 					dev_err(component->dev,
1826 						"Failed to enable mclk\n");
1827 					return ret;
1828 				}
1829 
1830 				da7213_set_auto_pll(component, true);
1831 			}
1832 		}
1833 		break;
1834 	case SND_SOC_BIAS_STANDBY:
1835 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1836 			/* Enable VMID reference & master bias */
1837 			snd_soc_component_update_bits(component, DA7213_REFERENCES,
1838 					    DA7213_VMID_EN | DA7213_BIAS_EN,
1839 					    DA7213_VMID_EN | DA7213_BIAS_EN);
1840 		} else {
1841 			/* Remove MCLK */
1842 			if (da7213->mclk) {
1843 				da7213_set_auto_pll(component, false);
1844 				clk_disable_unprepare(da7213->mclk);
1845 			}
1846 		}
1847 		break;
1848 	case SND_SOC_BIAS_OFF:
1849 		/* Disable VMID reference & master bias */
1850 		snd_soc_component_update_bits(component, DA7213_REFERENCES,
1851 				    DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1852 		break;
1853 	}
1854 	return 0;
1855 }
1856 
1857 #if defined(CONFIG_OF)
1858 /* DT */
1859 static const struct of_device_id da7213_of_match[] = {
1860 	{ .compatible = "dlg,da7212", },
1861 	{ .compatible = "dlg,da7213", },
1862 	{ }
1863 };
1864 MODULE_DEVICE_TABLE(of, da7213_of_match);
1865 #endif
1866 
1867 #ifdef CONFIG_ACPI
1868 static const struct acpi_device_id da7213_acpi_match[] = {
1869 	{ "DLGS7212", 0},
1870 	{ "DLGS7213", 0},
1871 	{ },
1872 };
1873 MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
1874 #endif
1875 
1876 static enum da7213_micbias_voltage
1877 	da7213_of_micbias_lvl(struct snd_soc_component *component, u32 val)
1878 {
1879 	switch (val) {
1880 	case 1600:
1881 		return DA7213_MICBIAS_1_6V;
1882 	case 2200:
1883 		return DA7213_MICBIAS_2_2V;
1884 	case 2500:
1885 		return DA7213_MICBIAS_2_5V;
1886 	case 3000:
1887 		return DA7213_MICBIAS_3_0V;
1888 	default:
1889 		dev_warn(component->dev, "Invalid micbias level\n");
1890 		return DA7213_MICBIAS_2_2V;
1891 	}
1892 }
1893 
1894 static enum da7213_dmic_data_sel
1895 	da7213_of_dmic_data_sel(struct snd_soc_component *component, const char *str)
1896 {
1897 	if (!strcmp(str, "lrise_rfall")) {
1898 		return DA7213_DMIC_DATA_LRISE_RFALL;
1899 	} else if (!strcmp(str, "lfall_rrise")) {
1900 		return DA7213_DMIC_DATA_LFALL_RRISE;
1901 	} else {
1902 		dev_warn(component->dev, "Invalid DMIC data select type\n");
1903 		return DA7213_DMIC_DATA_LRISE_RFALL;
1904 	}
1905 }
1906 
1907 static enum da7213_dmic_samplephase
1908 	da7213_of_dmic_samplephase(struct snd_soc_component *component, const char *str)
1909 {
1910 	if (!strcmp(str, "on_clkedge")) {
1911 		return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1912 	} else if (!strcmp(str, "between_clkedge")) {
1913 		return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1914 	} else {
1915 		dev_warn(component->dev, "Invalid DMIC sample phase\n");
1916 		return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1917 	}
1918 }
1919 
1920 static enum da7213_dmic_clk_rate
1921 	da7213_of_dmic_clkrate(struct snd_soc_component *component, u32 val)
1922 {
1923 	switch (val) {
1924 	case 1500000:
1925 		return DA7213_DMIC_CLK_1_5MHZ;
1926 	case 3000000:
1927 		return DA7213_DMIC_CLK_3_0MHZ;
1928 	default:
1929 		dev_warn(component->dev, "Invalid DMIC clock rate\n");
1930 		return DA7213_DMIC_CLK_1_5MHZ;
1931 	}
1932 }
1933 
1934 static struct da7213_platform_data
1935 	*da7213_fw_to_pdata(struct snd_soc_component *component)
1936 {
1937 	struct device *dev = component->dev;
1938 	struct da7213_platform_data *pdata;
1939 	const char *fw_str;
1940 	u32 fw_val32;
1941 
1942 	pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL);
1943 	if (!pdata)
1944 		return NULL;
1945 
1946 	if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
1947 		pdata->micbias1_lvl = da7213_of_micbias_lvl(component, fw_val32);
1948 	else
1949 		pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1950 
1951 	if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
1952 		pdata->micbias2_lvl = da7213_of_micbias_lvl(component, fw_val32);
1953 	else
1954 		pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1955 
1956 	if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
1957 		pdata->dmic_data_sel = da7213_of_dmic_data_sel(component, fw_str);
1958 	else
1959 		pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1960 
1961 	if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
1962 		pdata->dmic_samplephase =
1963 			da7213_of_dmic_samplephase(component, fw_str);
1964 	else
1965 		pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1966 
1967 	if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
1968 		pdata->dmic_clk_rate = da7213_of_dmic_clkrate(component, fw_val32);
1969 	else
1970 		pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1971 
1972 	return pdata;
1973 }
1974 
1975 static int da7213_probe(struct snd_soc_component *component)
1976 {
1977 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1978 
1979 	pm_runtime_get_sync(component->dev);
1980 
1981 	/* Default to using ALC auto offset calibration mode. */
1982 	snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
1983 			    DA7213_ALC_CALIB_MODE_MAN, 0);
1984 	da7213->alc_calib_auto = true;
1985 
1986 	/* Default PC counter to free-running */
1987 	snd_soc_component_update_bits(component, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
1988 			    DA7213_PC_FREERUN_MASK);
1989 
1990 	/* Enable all Gain Ramps */
1991 	snd_soc_component_update_bits(component, DA7213_AUX_L_CTRL,
1992 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1993 	snd_soc_component_update_bits(component, DA7213_AUX_R_CTRL,
1994 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1995 	snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1996 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1997 	snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1998 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1999 	snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL,
2000 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2001 	snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL,
2002 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2003 	snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
2004 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2005 	snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
2006 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2007 	snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
2008 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2009 	snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
2010 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2011 	snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
2012 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2013 
2014 	/*
2015 	 * There are two separate control bits for input and output mixers as
2016 	 * well as headphone and line outs.
2017 	 * One to enable corresponding amplifier and other to enable its
2018 	 * output. As amplifier bits are related to power control, they are
2019 	 * being managed by DAPM while other (non power related) bits are
2020 	 * enabled here
2021 	 */
2022 	snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
2023 			    DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
2024 	snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
2025 			    DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
2026 
2027 	snd_soc_component_update_bits(component, DA7213_MIXOUT_L_CTRL,
2028 			    DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
2029 	snd_soc_component_update_bits(component, DA7213_MIXOUT_R_CTRL,
2030 			    DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
2031 
2032 	snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
2033 			    DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
2034 	snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
2035 			    DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
2036 
2037 	snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
2038 			    DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
2039 
2040 	/* Handle DT/Platform data */
2041 	da7213->pdata = dev_get_platdata(component->dev);
2042 	if (!da7213->pdata)
2043 		da7213->pdata = da7213_fw_to_pdata(component);
2044 
2045 	/* Set platform data values */
2046 	if (da7213->pdata) {
2047 		struct da7213_platform_data *pdata = da7213->pdata;
2048 		u8 micbias_lvl = 0, dmic_cfg = 0;
2049 
2050 		/* Set Mic Bias voltages */
2051 		switch (pdata->micbias1_lvl) {
2052 		case DA7213_MICBIAS_1_6V:
2053 		case DA7213_MICBIAS_2_2V:
2054 		case DA7213_MICBIAS_2_5V:
2055 		case DA7213_MICBIAS_3_0V:
2056 			micbias_lvl |= (pdata->micbias1_lvl <<
2057 					DA7213_MICBIAS1_LEVEL_SHIFT);
2058 			break;
2059 		}
2060 		switch (pdata->micbias2_lvl) {
2061 		case DA7213_MICBIAS_1_6V:
2062 		case DA7213_MICBIAS_2_2V:
2063 		case DA7213_MICBIAS_2_5V:
2064 		case DA7213_MICBIAS_3_0V:
2065 			micbias_lvl |= (pdata->micbias2_lvl <<
2066 					 DA7213_MICBIAS2_LEVEL_SHIFT);
2067 			break;
2068 		}
2069 		snd_soc_component_update_bits(component, DA7213_MICBIAS_CTRL,
2070 				    DA7213_MICBIAS1_LEVEL_MASK |
2071 				    DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
2072 
2073 		/* Set DMIC configuration */
2074 		switch (pdata->dmic_data_sel) {
2075 		case DA7213_DMIC_DATA_LFALL_RRISE:
2076 		case DA7213_DMIC_DATA_LRISE_RFALL:
2077 			dmic_cfg |= (pdata->dmic_data_sel <<
2078 				     DA7213_DMIC_DATA_SEL_SHIFT);
2079 			break;
2080 		}
2081 		switch (pdata->dmic_samplephase) {
2082 		case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
2083 		case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
2084 			dmic_cfg |= (pdata->dmic_samplephase <<
2085 				     DA7213_DMIC_SAMPLEPHASE_SHIFT);
2086 			break;
2087 		}
2088 		switch (pdata->dmic_clk_rate) {
2089 		case DA7213_DMIC_CLK_3_0MHZ:
2090 		case DA7213_DMIC_CLK_1_5MHZ:
2091 			dmic_cfg |= (pdata->dmic_clk_rate <<
2092 				     DA7213_DMIC_CLK_RATE_SHIFT);
2093 			break;
2094 		}
2095 		snd_soc_component_update_bits(component, DA7213_MIC_CONFIG,
2096 				    DA7213_DMIC_DATA_SEL_MASK |
2097 				    DA7213_DMIC_SAMPLEPHASE_MASK |
2098 				    DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
2099 	}
2100 
2101 	pm_runtime_put_sync(component->dev);
2102 
2103 	/* Check if MCLK provided */
2104 	da7213->mclk = devm_clk_get_optional(component->dev, "mclk");
2105 	if (IS_ERR(da7213->mclk))
2106 		return PTR_ERR(da7213->mclk);
2107 	if (da7213->mclk)
2108 		/* Do automatic PLL handling assuming fixed clock until
2109 		 * set_pll() has been called. This makes the codec usable
2110 		 * with the simple-audio-card driver. */
2111 		da7213->fixed_clk_auto_pll = true;
2112 
2113 	/* Default infinite tone gen, start/stop by Kcontrol */
2114 	snd_soc_component_write(component, DA7213_TONE_GEN_CYCLES, DA7213_BEEP_CYCLES_MASK);
2115 
2116 	return 0;
2117 }
2118 
2119 static const struct snd_soc_component_driver soc_component_dev_da7213 = {
2120 	.probe			= da7213_probe,
2121 	.set_bias_level		= da7213_set_bias_level,
2122 	.controls		= da7213_snd_controls,
2123 	.num_controls		= ARRAY_SIZE(da7213_snd_controls),
2124 	.dapm_widgets		= da7213_dapm_widgets,
2125 	.num_dapm_widgets	= ARRAY_SIZE(da7213_dapm_widgets),
2126 	.dapm_routes		= da7213_audio_map,
2127 	.num_dapm_routes	= ARRAY_SIZE(da7213_audio_map),
2128 	.set_sysclk		= da7213_set_component_sysclk,
2129 	.set_pll		= da7213_set_component_pll,
2130 	.idle_bias_on		= 1,
2131 	.use_pmdown_time	= 1,
2132 	.endianness		= 1,
2133 };
2134 
2135 static const struct regmap_config da7213_regmap_config = {
2136 	.reg_bits = 8,
2137 	.val_bits = 8,
2138 
2139 	.reg_defaults = da7213_reg_defaults,
2140 	.num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
2141 	.volatile_reg = da7213_volatile_register,
2142 	.cache_type = REGCACHE_RBTREE,
2143 };
2144 
2145 static void da7213_power_off(void *data)
2146 {
2147 	struct da7213_priv *da7213 = data;
2148 	regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
2149 }
2150 
2151 static const char *da7213_supply_names[DA7213_NUM_SUPPLIES] = {
2152 	[DA7213_SUPPLY_VDDA] = "VDDA",
2153 	[DA7213_SUPPLY_VDDIO] = "VDDIO",
2154 };
2155 
2156 static int da7213_i2c_probe(struct i2c_client *i2c)
2157 {
2158 	struct da7213_priv *da7213;
2159 	int i, ret;
2160 
2161 	da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL);
2162 	if (!da7213)
2163 		return -ENOMEM;
2164 
2165 	i2c_set_clientdata(i2c, da7213);
2166 
2167 	/* Get required supplies */
2168 	for (i = 0; i < DA7213_NUM_SUPPLIES; ++i)
2169 		da7213->supplies[i].supply = da7213_supply_names[i];
2170 
2171 	ret = devm_regulator_bulk_get(&i2c->dev, DA7213_NUM_SUPPLIES,
2172 				      da7213->supplies);
2173 	if (ret) {
2174 		dev_err(&i2c->dev, "Failed to get supplies: %d\n", ret);
2175 		return ret;
2176 	}
2177 
2178 	ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
2179 	if (ret < 0)
2180 		return ret;
2181 
2182 	ret = devm_add_action_or_reset(&i2c->dev, da7213_power_off, da7213);
2183 	if (ret < 0)
2184 		return ret;
2185 
2186 	da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
2187 	if (IS_ERR(da7213->regmap)) {
2188 		ret = PTR_ERR(da7213->regmap);
2189 		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2190 		return ret;
2191 	}
2192 
2193 	pm_runtime_set_autosuspend_delay(&i2c->dev, 100);
2194 	pm_runtime_use_autosuspend(&i2c->dev);
2195 	pm_runtime_set_active(&i2c->dev);
2196 	pm_runtime_enable(&i2c->dev);
2197 
2198 	ret = devm_snd_soc_register_component(&i2c->dev,
2199 			&soc_component_dev_da7213, &da7213_dai, 1);
2200 	if (ret < 0) {
2201 		dev_err(&i2c->dev, "Failed to register da7213 component: %d\n",
2202 			ret);
2203 	}
2204 	return ret;
2205 }
2206 
2207 static void da7213_i2c_remove(struct i2c_client *i2c)
2208 {
2209 	pm_runtime_disable(&i2c->dev);
2210 }
2211 
2212 static int __maybe_unused da7213_runtime_suspend(struct device *dev)
2213 {
2214 	struct da7213_priv *da7213 = dev_get_drvdata(dev);
2215 
2216 	regcache_cache_only(da7213->regmap, true);
2217 	regcache_mark_dirty(da7213->regmap);
2218 	regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
2219 
2220 	return 0;
2221 }
2222 
2223 static int __maybe_unused da7213_runtime_resume(struct device *dev)
2224 {
2225 	struct da7213_priv *da7213 = dev_get_drvdata(dev);
2226 	int ret;
2227 
2228 	ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
2229 	if (ret < 0)
2230 		return ret;
2231 	regcache_cache_only(da7213->regmap, false);
2232 	regcache_sync(da7213->regmap);
2233 	return 0;
2234 }
2235 
2236 static const struct dev_pm_ops da7213_pm = {
2237 	SET_RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL)
2238 };
2239 
2240 static const struct i2c_device_id da7213_i2c_id[] = {
2241 	{ "da7213" },
2242 	{ }
2243 };
2244 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
2245 
2246 /* I2C codec control layer */
2247 static struct i2c_driver da7213_i2c_driver = {
2248 	.driver = {
2249 		.name = "da7213",
2250 		.of_match_table = of_match_ptr(da7213_of_match),
2251 		.acpi_match_table = ACPI_PTR(da7213_acpi_match),
2252 		.pm = &da7213_pm,
2253 	},
2254 	.probe		= da7213_i2c_probe,
2255 	.remove		= da7213_i2c_remove,
2256 	.id_table	= da7213_i2c_id,
2257 };
2258 
2259 module_i2c_driver(da7213_i2c_driver);
2260 
2261 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
2262 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2263 MODULE_AUTHOR("David Rau <David.Rau.opensource@dm.renesas.com>");
2264 MODULE_LICENSE("GPL");
2265