xref: /linux/sound/soc/codecs/da7213.c (revision 67f8bc848ee31831336bd478e57d2f993551902e)
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/cleanup.h>
15 #include <linux/clk.h>
16 #include <linux/delay.h>
17 #include <linux/i2c.h>
18 #include <linux/regmap.h>
19 #include <linux/slab.h>
20 #include <linux/module.h>
21 #include <sound/pcm.h>
22 #include <sound/pcm_params.h>
23 #include <linux/pm_runtime.h>
24 #include <linux/units.h>
25 #include <sound/soc.h>
26 #include <sound/initval.h>
27 #include <sound/tlv.h>
28 
29 #include <sound/da7213.h>
30 #include "da7213.h"
31 
32 
33 /* Gain and Volume */
34 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
35 	/* -54dB */
36 	0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
37 	/* -52.5dB to 15dB */
38 	0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
39 );
40 
41 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
42 	0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
43 	/* -78dB to 12dB */
44 	0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
45 );
46 
47 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
48 	0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
49 	/* 0dB to 36dB */
50 	0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
51 );
52 
53 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
54 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
55 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
56 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
57 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
58 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
59 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
60 static const DECLARE_TLV_DB_SCALE(da7213_tonegen_gain_tlv, -4500, 300, 0);
61 
62 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
63 static const char * const da7213_voice_hpf_corner_txt[] = {
64 	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
65 };
66 
67 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
68 			    DA7213_DAC_FILTERS1,
69 			    DA7213_VOICE_HPF_CORNER_SHIFT,
70 			    da7213_voice_hpf_corner_txt);
71 
72 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
73 			    DA7213_ADC_FILTERS1,
74 			    DA7213_VOICE_HPF_CORNER_SHIFT,
75 			    da7213_voice_hpf_corner_txt);
76 
77 /* ADC and DAC high pass filter cutoff value */
78 static const char * const da7213_audio_hpf_corner_txt[] = {
79 	"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
80 };
81 
82 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
83 			    DA7213_DAC_FILTERS1,
84 			    DA7213_AUDIO_HPF_CORNER_SHIFT,
85 			    da7213_audio_hpf_corner_txt);
86 
87 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
88 			    DA7213_ADC_FILTERS1,
89 			    DA7213_AUDIO_HPF_CORNER_SHIFT,
90 			    da7213_audio_hpf_corner_txt);
91 
92 static const char * const da7213_tonegen_dtmf_key_txt[] = {
93 	"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
94 	"*", "#"
95 };
96 
97 static const struct soc_enum da7213_tonegen_dtmf_key =
98 	SOC_ENUM_SINGLE(DA7213_TONE_GEN_CFG1, DA7213_DTMF_REG_SHIFT,
99 			DA7213_DTMF_REG_MAX, da7213_tonegen_dtmf_key_txt);
100 
101 static const char * const da7213_tonegen_swg_sel_txt[] = {
102 	"Sum", "SWG1", "SWG2", "Sum"
103 };
104 
105 static const struct soc_enum da7213_tonegen_swg_sel =
106 	SOC_ENUM_SINGLE(DA7213_TONE_GEN_CFG2, DA7213_SWG_SEL_SHIFT,
107 			DA7213_SWG_SEL_MAX, da7213_tonegen_swg_sel_txt);
108 
109 /* Gain ramping rate value */
110 static const char * const da7213_gain_ramp_rate_txt[] = {
111 	"nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
112 	"nominal rate / 32"
113 };
114 
115 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
116 			    DA7213_GAIN_RAMP_CTRL,
117 			    DA7213_GAIN_RAMP_RATE_SHIFT,
118 			    da7213_gain_ramp_rate_txt);
119 
120 /* DAC noise gate setup time value */
121 static const char * const da7213_dac_ng_setup_time_txt[] = {
122 	"256 samples", "512 samples", "1024 samples", "2048 samples"
123 };
124 
125 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
126 			    DA7213_DAC_NG_SETUP_TIME,
127 			    DA7213_DAC_NG_SETUP_TIME_SHIFT,
128 			    da7213_dac_ng_setup_time_txt);
129 
130 /* DAC noise gate rampup rate value */
131 static const char * const da7213_dac_ng_rampup_txt[] = {
132 	"0.02 ms/dB", "0.16 ms/dB"
133 };
134 
135 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
136 			    DA7213_DAC_NG_SETUP_TIME,
137 			    DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
138 			    da7213_dac_ng_rampup_txt);
139 
140 /* DAC noise gate rampdown rate value */
141 static const char * const da7213_dac_ng_rampdown_txt[] = {
142 	"0.64 ms/dB", "20.48 ms/dB"
143 };
144 
145 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
146 			    DA7213_DAC_NG_SETUP_TIME,
147 			    DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
148 			    da7213_dac_ng_rampdown_txt);
149 
150 /* DAC soft mute rate value */
151 static const char * const da7213_dac_soft_mute_rate_txt[] = {
152 	"1", "2", "4", "8", "16", "32", "64"
153 };
154 
155 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
156 			    DA7213_DAC_FILTERS5,
157 			    DA7213_DAC_SOFTMUTE_RATE_SHIFT,
158 			    da7213_dac_soft_mute_rate_txt);
159 
160 /* ALC Attack Rate select */
161 static const char * const da7213_alc_attack_rate_txt[] = {
162 	"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
163 	"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
164 };
165 
166 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
167 			    DA7213_ALC_CTRL2,
168 			    DA7213_ALC_ATTACK_SHIFT,
169 			    da7213_alc_attack_rate_txt);
170 
171 /* ALC Release Rate select */
172 static const char * const da7213_alc_release_rate_txt[] = {
173 	"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
174 	"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
175 };
176 
177 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
178 			    DA7213_ALC_CTRL2,
179 			    DA7213_ALC_RELEASE_SHIFT,
180 			    da7213_alc_release_rate_txt);
181 
182 /* ALC Hold Time select */
183 static const char * const da7213_alc_hold_time_txt[] = {
184 	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
185 	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
186 	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
187 };
188 
189 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
190 			    DA7213_ALC_CTRL3,
191 			    DA7213_ALC_HOLD_SHIFT,
192 			    da7213_alc_hold_time_txt);
193 
194 /* ALC Input Signal Tracking rate select */
195 static const char * const da7213_alc_integ_rate_txt[] = {
196 	"1/4", "1/16", "1/256", "1/65536"
197 };
198 
199 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
200 			    DA7213_ALC_CTRL3,
201 			    DA7213_ALC_INTEG_ATTACK_SHIFT,
202 			    da7213_alc_integ_rate_txt);
203 
204 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
205 			    DA7213_ALC_CTRL3,
206 			    DA7213_ALC_INTEG_RELEASE_SHIFT,
207 			    da7213_alc_integ_rate_txt);
208 
209 
210 /*
211  * Control Functions
212  */
213 
214 /* Locked Kcontrol calls */
215 static int da7213_volsw_locked_get(struct snd_kcontrol *kcontrol,
216 				   struct snd_ctl_elem_value *ucontrol)
217 {
218 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
219 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
220 
221 	guard(mutex)(&da7213->ctrl_lock);
222 
223 	return snd_soc_get_volsw(kcontrol, ucontrol);
224 }
225 
226 static int da7213_volsw_locked_put(struct snd_kcontrol *kcontrol,
227 				   struct snd_ctl_elem_value *ucontrol)
228 {
229 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
230 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
231 
232 	guard(mutex)(&da7213->ctrl_lock);
233 
234 	return snd_soc_put_volsw(kcontrol, ucontrol);
235 }
236 
237 static int da7213_enum_locked_get(struct snd_kcontrol *kcontrol,
238 				struct snd_ctl_elem_value *ucontrol)
239 {
240 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
241 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
242 
243 	guard(mutex)(&da7213->ctrl_lock);
244 
245 	return snd_soc_get_enum_double(kcontrol, ucontrol);
246 }
247 
248 static int da7213_enum_locked_put(struct snd_kcontrol *kcontrol,
249 				struct snd_ctl_elem_value *ucontrol)
250 {
251 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
252 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
253 
254 	guard(mutex)(&da7213->ctrl_lock);
255 
256 	return snd_soc_put_enum_double(kcontrol, ucontrol);
257 }
258 
259 /* ALC */
260 static int da7213_get_alc_data(struct snd_soc_component *component, u8 reg_val)
261 {
262 	int mid_data, top_data;
263 	int sum = 0;
264 	u8 iteration;
265 
266 	for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
267 	     iteration++) {
268 		/* Select the left or right channel and capture data */
269 		snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
270 
271 		/* Select middle 8 bits for read back from data register */
272 		snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
273 			      reg_val | DA7213_ALC_DATA_MIDDLE);
274 		mid_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
275 
276 		/* Select top 8 bits for read back from data register */
277 		snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
278 			      reg_val | DA7213_ALC_DATA_TOP);
279 		top_data = snd_soc_component_read(component, DA7213_ALC_CIC_OP_LVL_DATA);
280 
281 		sum += ((mid_data << 8) | (top_data << 16));
282 	}
283 
284 	return sum / DA7213_ALC_AVG_ITERATIONS;
285 }
286 
287 static void da7213_alc_calib_man(struct snd_soc_component *component)
288 {
289 	u8 reg_val;
290 	int avg_left_data, avg_right_data, offset_l, offset_r;
291 
292 	/* Calculate average for Left and Right data */
293 	/* Left Data */
294 	avg_left_data = da7213_get_alc_data(component,
295 			DA7213_ALC_CIC_OP_CHANNEL_LEFT);
296 	/* Right Data */
297 	avg_right_data = da7213_get_alc_data(component,
298 			 DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
299 
300 	/* Calculate DC offset */
301 	offset_l = -avg_left_data;
302 	offset_r = -avg_right_data;
303 
304 	reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
305 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
306 	reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
307 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
308 
309 	reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
310 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
311 	reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
312 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
313 
314 	/* Enable analog/digital gain mode & offset cancellation */
315 	snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
316 			    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
317 			    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
318 }
319 
320 static void da7213_alc_calib_auto(struct snd_soc_component *component)
321 {
322 	u8 alc_ctrl1;
323 
324 	/* Begin auto calibration and wait for completion */
325 	snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
326 			    DA7213_ALC_AUTO_CALIB_EN);
327 	do {
328 		alc_ctrl1 = snd_soc_component_read(component, DA7213_ALC_CTRL1);
329 	} while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
330 
331 	/* If auto calibration fails, fall back to digital gain only mode */
332 	if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
333 		dev_warn(component->dev,
334 			 "ALC auto calibration failed with overflow\n");
335 		snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
336 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
337 				    0);
338 	} else {
339 		/* Enable analog/digital gain mode & offset cancellation */
340 		snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
341 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
342 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
343 	}
344 
345 }
346 
347 static void da7213_alc_calib(struct snd_soc_component *component)
348 {
349 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
350 	u8 adc_l_ctrl, adc_r_ctrl;
351 	u8 mixin_l_sel, mixin_r_sel;
352 	u8 mic_1_ctrl, mic_2_ctrl;
353 
354 	/* Save current values from ADC control registers */
355 	adc_l_ctrl = snd_soc_component_read(component, DA7213_ADC_L_CTRL);
356 	adc_r_ctrl = snd_soc_component_read(component, DA7213_ADC_R_CTRL);
357 
358 	/* Save current values from MIXIN_L/R_SELECT registers */
359 	mixin_l_sel = snd_soc_component_read(component, DA7213_MIXIN_L_SELECT);
360 	mixin_r_sel = snd_soc_component_read(component, DA7213_MIXIN_R_SELECT);
361 
362 	/* Save current values from MIC control registers */
363 	mic_1_ctrl = snd_soc_component_read(component, DA7213_MIC_1_CTRL);
364 	mic_2_ctrl = snd_soc_component_read(component, DA7213_MIC_2_CTRL);
365 
366 	/* Enable ADC Left and Right */
367 	snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
368 			    DA7213_ADC_EN);
369 	snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
370 			    DA7213_ADC_EN);
371 
372 	/* Enable MIC paths */
373 	snd_soc_component_update_bits(component, DA7213_MIXIN_L_SELECT,
374 			    DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
375 			    DA7213_MIXIN_L_MIX_SELECT_MIC_2,
376 			    DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
377 			    DA7213_MIXIN_L_MIX_SELECT_MIC_2);
378 	snd_soc_component_update_bits(component, DA7213_MIXIN_R_SELECT,
379 			    DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
380 			    DA7213_MIXIN_R_MIX_SELECT_MIC_1,
381 			    DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
382 			    DA7213_MIXIN_R_MIX_SELECT_MIC_1);
383 
384 	/* Mute MIC PGAs */
385 	snd_soc_component_update_bits(component, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
386 			    DA7213_MUTE_EN);
387 	snd_soc_component_update_bits(component, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
388 			    DA7213_MUTE_EN);
389 
390 	/* Perform calibration */
391 	if (da7213->alc_calib_auto)
392 		da7213_alc_calib_auto(component);
393 	else
394 		da7213_alc_calib_man(component);
395 
396 	/* Restore MIXIN_L/R_SELECT registers to their original states */
397 	snd_soc_component_write(component, DA7213_MIXIN_L_SELECT, mixin_l_sel);
398 	snd_soc_component_write(component, DA7213_MIXIN_R_SELECT, mixin_r_sel);
399 
400 	/* Restore ADC control registers to their original states */
401 	snd_soc_component_write(component, DA7213_ADC_L_CTRL, adc_l_ctrl);
402 	snd_soc_component_write(component, DA7213_ADC_R_CTRL, adc_r_ctrl);
403 
404 	/* Restore original values of MIC control registers */
405 	snd_soc_component_write(component, DA7213_MIC_1_CTRL, mic_1_ctrl);
406 	snd_soc_component_write(component, DA7213_MIC_2_CTRL, mic_2_ctrl);
407 }
408 
409 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
410 				struct snd_ctl_elem_value *ucontrol)
411 {
412 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
413 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
414 	int ret;
415 
416 	ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
417 
418 	/* If ALC in operation, make sure calibrated offsets are updated */
419 	if ((!ret) && (da7213->alc_en))
420 		da7213_alc_calib(component);
421 
422 	return ret;
423 }
424 
425 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
426 			    struct snd_ctl_elem_value *ucontrol)
427 {
428 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
429 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
430 
431 	/* Force ALC offset calibration if enabling ALC */
432 	if (ucontrol->value.integer.value[0] ||
433 	    ucontrol->value.integer.value[1]) {
434 		if (!da7213->alc_en) {
435 			da7213_alc_calib(component);
436 			da7213->alc_en = true;
437 		}
438 	} else {
439 		da7213->alc_en = false;
440 	}
441 
442 	return snd_soc_put_volsw(kcontrol, ucontrol);
443 }
444 
445 /* ToneGen */
446 static int da7213_tonegen_freq_get(struct snd_kcontrol *kcontrol,
447 				   struct snd_ctl_elem_value *ucontrol)
448 {
449 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
450 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
451 	struct soc_mixer_control *mixer_ctrl =
452 		(struct soc_mixer_control *) kcontrol->private_value;
453 	unsigned int reg = mixer_ctrl->reg;
454 	__le16 val;
455 	int ret;
456 
457 	scoped_guard(mutex, &da7213->ctrl_lock)
458 		ret = regmap_raw_read(da7213->regmap, reg, &val, sizeof(val));
459 
460 	if (ret)
461 		return ret;
462 
463 	/*
464 	 * Frequency value spans two 8-bit registers, lower then upper byte.
465 	 * Therefore we need to convert to host endianness here.
466 	 */
467 	ucontrol->value.integer.value[0] = le16_to_cpu(val);
468 
469 	return 0;
470 }
471 
472 static int da7213_tonegen_freq_put(struct snd_kcontrol *kcontrol,
473 				   struct snd_ctl_elem_value *ucontrol)
474 {
475 	struct snd_soc_component *component = snd_kcontrol_chip(kcontrol);
476 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
477 	struct soc_mixer_control *mixer_ctrl =
478 		(struct soc_mixer_control *) kcontrol->private_value;
479 	unsigned int reg = mixer_ctrl->reg;
480 	__le16 val_new, val_old;
481 	int ret;
482 
483 	/*
484 	 * Frequency value spans two 8-bit registers, lower then upper byte.
485 	 * Therefore we need to convert to little endian here to align with
486 	 * HW registers.
487 	 */
488 	val_new = cpu_to_le16(ucontrol->value.integer.value[0]);
489 
490 	guard(mutex)(&da7213->ctrl_lock);
491 	ret = regmap_raw_read(da7213->regmap, reg, &val_old, sizeof(val_old));
492 	if (ret == 0 && (val_old != val_new))
493 		ret = regmap_raw_write(da7213->regmap, reg,
494 				&val_new, sizeof(val_new));
495 
496 	if (ret < 0)
497 		return ret;
498 
499 	return val_old != val_new;
500 }
501 
502 /*
503  * KControls
504  */
505 
506 static const struct snd_kcontrol_new da7213_snd_controls[] = {
507 
508 	/* Volume controls */
509 	SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
510 		       DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
511 		       DA7213_NO_INVERT, mic_vol_tlv),
512 	SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
513 		       DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
514 		       DA7213_NO_INVERT, mic_vol_tlv),
515 	SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
516 			 DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
517 			 DA7213_NO_INVERT, aux_vol_tlv),
518 	SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
519 			     DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
520 			     DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
521 			     snd_soc_get_volsw_2r, da7213_put_mixin_gain,
522 			     mixin_gain_tlv),
523 	SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
524 			 DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
525 			 DA7213_NO_INVERT, digital_gain_tlv),
526 	SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
527 			 DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
528 			 DA7213_NO_INVERT, digital_gain_tlv),
529 	SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
530 			 DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
531 			 DA7213_NO_INVERT, hp_vol_tlv),
532 	SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
533 		       DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
534 		       DA7213_NO_INVERT, lineout_vol_tlv),
535 
536 	/* DAC Equalizer controls */
537 	SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
538 		   DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
539 	SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
540 		       DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
541 		       DA7213_NO_INVERT, eq_gain_tlv),
542 	SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
543 		       DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
544 		       DA7213_NO_INVERT, eq_gain_tlv),
545 	SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
546 		       DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
547 		       DA7213_NO_INVERT, eq_gain_tlv),
548 	SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
549 		       DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
550 		       DA7213_NO_INVERT, eq_gain_tlv),
551 	SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
552 		       DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
553 		       DA7213_NO_INVERT, eq_gain_tlv),
554 
555 	/* High Pass Filter and Voice Mode controls */
556 	SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
557 		   DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
558 	SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
559 	SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
560 		   DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
561 		   DA7213_NO_INVERT),
562 	SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
563 
564 	SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
565 		   DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
566 	SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
567 	SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
568 		   DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
569 		   DA7213_NO_INVERT),
570 	SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
571 
572 	/* Mute controls */
573 	SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
574 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
575 	SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
576 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
577 	SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
578 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
579 	SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
580 		     DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
581 		     DA7213_MUTE_EN_MAX, DA7213_INVERT),
582 	SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
583 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
584 	SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
585 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
586 	SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
587 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
588 	SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
589 		   DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
590 		   DA7213_NO_INVERT),
591 	SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
592 
593 	/* Zero Cross controls */
594 	SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
595 		     DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
596 	SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
597 		     DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
598 		     DA7213_NO_INVERT),
599 	SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
600 		     DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
601 
602 	/* Tone Generator */
603 	SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7213_TONE_GEN_CFG2,
604 			   DA7213_TONE_GEN_GAIN_SHIFT, DA7213_TONE_GEN_GAIN_MAX,
605 			   DA7213_NO_INVERT, da7213_volsw_locked_get,
606 			   da7213_volsw_locked_put, da7213_tonegen_gain_tlv),
607 	SOC_ENUM_EXT("ToneGen DTMF Key", da7213_tonegen_dtmf_key,
608 		     da7213_enum_locked_get, da7213_enum_locked_put),
609 	SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7213_TONE_GEN_CFG1,
610 		       DA7213_DTMF_EN_SHIFT, DA7213_SWITCH_EN_MAX,
611 		       DA7213_NO_INVERT, da7213_volsw_locked_get,
612 		       da7213_volsw_locked_put),
613 	SOC_SINGLE_EXT("ToneGen Start", DA7213_TONE_GEN_CFG1,
614 		       DA7213_START_STOPN_SHIFT, DA7213_SWITCH_EN_MAX,
615 		       DA7213_NO_INVERT, da7213_volsw_locked_get,
616 		       da7213_volsw_locked_put),
617 	SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7213_tonegen_swg_sel,
618 		     da7213_enum_locked_get, da7213_enum_locked_put),
619 	SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7213_TONE_GEN_FREQ1_L,
620 		       DA7213_FREQ1_L_SHIFT, DA7213_FREQ_MAX, DA7213_NO_INVERT,
621 		       da7213_tonegen_freq_get, da7213_tonegen_freq_put),
622 	SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7213_TONE_GEN_FREQ2_L,
623 		       DA7213_FREQ2_L_SHIFT, DA7213_FREQ_MAX, DA7213_NO_INVERT,
624 		       da7213_tonegen_freq_get, da7213_tonegen_freq_put),
625 	SOC_SINGLE_EXT("ToneGen On Time", DA7213_TONE_GEN_ON_PER,
626 		       DA7213_BEEP_ON_PER_SHIFT, DA7213_BEEP_ON_OFF_MAX,
627 		       DA7213_NO_INVERT, da7213_volsw_locked_get,
628 		       da7213_volsw_locked_put),
629 	SOC_SINGLE("ToneGen Off Time", DA7213_TONE_GEN_OFF_PER,
630 		   DA7213_BEEP_OFF_PER_SHIFT, DA7213_BEEP_ON_OFF_MAX,
631 		   DA7213_NO_INVERT),
632 
633 	/* Gain Ramping controls */
634 	SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
635 		     DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
636 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
637 	SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
638 		     DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
639 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
640 	SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
641 		     DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
642 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
643 	SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
644 		     DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
645 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
646 	SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
647 		     DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
648 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
649 	SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
650 		   DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
651 		   DA7213_NO_INVERT),
652 	SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
653 
654 	/* DAC Noise Gate controls */
655 	SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
656 		   DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
657 	SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
658 	SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
659 	SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
660 	SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
661 		   DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
662 		   DA7213_NO_INVERT),
663 	SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
664 		   DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
665 		   DA7213_NO_INVERT),
666 
667 	/* DAC Routing & Inversion */
668 	SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
669 		   DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
670 		   DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
671 	SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
672 		   DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
673 		   DA7213_NO_INVERT),
674 
675 	/* DMIC controls */
676 	SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
677 		     DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
678 		     DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
679 
680 	/* ALC Controls */
681 	SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
682 		       DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
683 		       DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
684 	SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
685 	SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
686 	SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
687 	/*
688 	 * Rate at which input signal envelope is tracked as the signal gets
689 	 * larger
690 	 */
691 	SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
692 	/*
693 	 * Rate at which input signal envelope is tracked as the signal gets
694 	 * smaller
695 	 */
696 	SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
697 	SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
698 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
699 		       DA7213_INVERT, alc_threshold_tlv),
700 	SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
701 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
702 		       DA7213_INVERT, alc_threshold_tlv),
703 	SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
704 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
705 		       DA7213_INVERT, alc_threshold_tlv),
706 	SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
707 		       DA7213_ALC_ATTEN_MAX_SHIFT,
708 		       DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
709 		       alc_gain_tlv),
710 	SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
711 		       DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
712 		       DA7213_NO_INVERT, alc_gain_tlv),
713 	SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
714 		       DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
715 		       DA7213_NO_INVERT, alc_analog_gain_tlv),
716 	SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
717 		       DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
718 		       DA7213_NO_INVERT, alc_analog_gain_tlv),
719 	SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
720 		   DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
721 		   DA7213_NO_INVERT),
722 	SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
723 		   DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
724 		   DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
725 };
726 
727 
728 /*
729  * DAPM
730  */
731 
732 /*
733  * Enums
734  */
735 
736 /* MIC PGA source select */
737 static const char * const da7213_mic_amp_in_sel_txt[] = {
738 	"Differential", "MIC_P", "MIC_N"
739 };
740 
741 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
742 			    DA7213_MIC_1_CTRL,
743 			    DA7213_MIC_AMP_IN_SEL_SHIFT,
744 			    da7213_mic_amp_in_sel_txt);
745 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
746 	SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
747 
748 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
749 			    DA7213_MIC_2_CTRL,
750 			    DA7213_MIC_AMP_IN_SEL_SHIFT,
751 			    da7213_mic_amp_in_sel_txt);
752 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
753 	SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
754 
755 /* DAI routing select */
756 static const char * const da7213_dai_src_txt[] = {
757 	"ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
758 };
759 
760 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
761 			    DA7213_DIG_ROUTING_DAI,
762 			    DA7213_DAI_L_SRC_SHIFT,
763 			    da7213_dai_src_txt);
764 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
765 	SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
766 
767 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
768 			    DA7213_DIG_ROUTING_DAI,
769 			    DA7213_DAI_R_SRC_SHIFT,
770 			    da7213_dai_src_txt);
771 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
772 	SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
773 
774 /* DAC routing select */
775 static const char * const da7213_dac_src_txt[] = {
776 	"ADC Output Left", "ADC Output Right", "DAI Input Left",
777 	"DAI Input Right"
778 };
779 
780 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
781 			    DA7213_DIG_ROUTING_DAC,
782 			    DA7213_DAC_L_SRC_SHIFT,
783 			    da7213_dac_src_txt);
784 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
785 	SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
786 
787 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
788 			    DA7213_DIG_ROUTING_DAC,
789 			    DA7213_DAC_R_SRC_SHIFT,
790 			    da7213_dac_src_txt);
791 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
792 	SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
793 
794 /*
795  * Mixer Controls
796  */
797 
798 /* Mixin Left */
799 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
800 	SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
801 			DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
802 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
803 	SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
804 			DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
805 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
806 	SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
807 			DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
808 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
809 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
810 			DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
811 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
812 };
813 
814 /* Mixin Right */
815 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
816 	SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
817 			DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
818 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
819 	SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
820 			DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
821 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
822 	SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
823 			DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
824 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
825 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
826 			DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
827 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
828 };
829 
830 /* Mixout Left */
831 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
832 	SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
833 			DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
834 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
835 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
836 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
837 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
838 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
839 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
840 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
841 	SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
842 			DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
843 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
844 	SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
845 			DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
846 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
847 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
848 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
849 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
850 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
851 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
852 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
853 };
854 
855 /* Mixout Right */
856 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
857 	SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
858 			DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
859 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
860 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
861 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
862 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
863 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
864 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
865 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
866 	SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
867 			DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
868 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
869 	SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
870 			DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
871 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
872 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
873 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
874 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
875 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
876 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
877 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
878 };
879 
880 
881 /*
882  * DAPM Events
883  */
884 
885 static int da7213_dai_event(struct snd_soc_dapm_widget *w,
886 			    struct snd_kcontrol *kcontrol, int event)
887 {
888 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
889 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
890 	u8 pll_ctrl, pll_status;
891 	int i = 0;
892 	bool srm_lock = false;
893 
894 	switch (event) {
895 	case SND_SOC_DAPM_PRE_PMU:
896 		/* Enable DAI clks for master mode */
897 		if (da7213->master)
898 			snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
899 					    DA7213_DAI_CLK_EN_MASK,
900 					    DA7213_DAI_CLK_EN_MASK);
901 
902 		/* PC synchronised to DAI */
903 		snd_soc_component_update_bits(component, DA7213_PC_COUNT,
904 				    DA7213_PC_FREERUN_MASK, 0);
905 
906 		/* If SRM not enabled then nothing more to do */
907 		pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
908 		if (!(pll_ctrl & DA7213_PLL_SRM_EN))
909 			return 0;
910 
911 		/* Assist 32KHz mode PLL lock */
912 		if (pll_ctrl & DA7213_PLL_32K_MODE) {
913 			snd_soc_component_write(component, 0xF0, 0x8B);
914 			snd_soc_component_write(component, 0xF2, 0x03);
915 			snd_soc_component_write(component, 0xF0, 0x00);
916 		}
917 
918 		/* Check SRM has locked */
919 		do {
920 			pll_status = snd_soc_component_read(component, DA7213_PLL_STATUS);
921 			if (pll_status & DA7213_PLL_SRM_LOCK) {
922 				srm_lock = true;
923 			} else {
924 				++i;
925 				msleep(50);
926 			}
927 		} while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock));
928 
929 		if (!srm_lock)
930 			dev_warn(component->dev, "SRM failed to lock\n");
931 
932 		return 0;
933 	case SND_SOC_DAPM_POST_PMD:
934 		/* Revert 32KHz PLL lock udpates if applied previously */
935 		pll_ctrl = snd_soc_component_read(component, DA7213_PLL_CTRL);
936 		if (pll_ctrl & DA7213_PLL_32K_MODE) {
937 			snd_soc_component_write(component, 0xF0, 0x8B);
938 			snd_soc_component_write(component, 0xF2, 0x01);
939 			snd_soc_component_write(component, 0xF0, 0x00);
940 		}
941 
942 		/* PC free-running */
943 		snd_soc_component_update_bits(component, DA7213_PC_COUNT,
944 				    DA7213_PC_FREERUN_MASK,
945 				    DA7213_PC_FREERUN_MASK);
946 
947 		/* Disable DAI clks if in master mode */
948 		if (da7213->master)
949 			snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
950 					    DA7213_DAI_CLK_EN_MASK, 0);
951 		return 0;
952 	default:
953 		return -EINVAL;
954 	}
955 }
956 
957 
958 /*
959  * DAPM widgets
960  */
961 
962 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
963 	/*
964 	 * Power Supply
965 	 */
966 	SND_SOC_DAPM_REGULATOR_SUPPLY("VDDMIC", 0, 0),
967 
968 	/*
969 	 * Input & Output
970 	 */
971 
972 	/* Use a supply here as this controls both input & output DAIs */
973 	SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
974 			    DA7213_NO_INVERT, da7213_dai_event,
975 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
976 
977 	/*
978 	 * Input
979 	 */
980 
981 	/* Input Lines */
982 	SND_SOC_DAPM_INPUT("MIC1"),
983 	SND_SOC_DAPM_INPUT("MIC2"),
984 	SND_SOC_DAPM_INPUT("AUXL"),
985 	SND_SOC_DAPM_INPUT("AUXR"),
986 
987 	/* MUXs for Mic PGA source selection */
988 	SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
989 			 &da7213_mic_1_amp_in_sel_mux),
990 	SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
991 			 &da7213_mic_2_amp_in_sel_mux),
992 
993 	/* Input PGAs */
994 	SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
995 			 DA7213_NO_INVERT, NULL, 0),
996 	SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
997 			 DA7213_NO_INVERT, NULL, 0),
998 	SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
999 			 DA7213_NO_INVERT, NULL, 0),
1000 	SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
1001 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1002 	SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
1003 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1004 	SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
1005 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1006 
1007 	/* Mic Biases */
1008 	SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
1009 			    DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
1010 			    NULL, 0),
1011 	SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
1012 			    DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
1013 			    NULL, 0),
1014 
1015 	/* Input Mixers */
1016 	SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
1017 			   &da7213_dapm_mixinl_controls[0],
1018 			   ARRAY_SIZE(da7213_dapm_mixinl_controls)),
1019 	SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
1020 			   &da7213_dapm_mixinr_controls[0],
1021 			   ARRAY_SIZE(da7213_dapm_mixinr_controls)),
1022 
1023 	/* ADCs */
1024 	SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
1025 			 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
1026 	SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
1027 			 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
1028 
1029 	/* DAI */
1030 	SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
1031 			 &da7213_dai_l_src_mux),
1032 	SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
1033 			 &da7213_dai_r_src_mux),
1034 	SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
1035 	SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
1036 
1037 	/*
1038 	 * Output
1039 	 */
1040 
1041 	/* DAI */
1042 	SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
1043 	SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
1044 	SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
1045 			 &da7213_dac_l_src_mux),
1046 	SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
1047 			 &da7213_dac_r_src_mux),
1048 
1049 	/* DACs */
1050 	SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
1051 			 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
1052 	SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
1053 			 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
1054 
1055 	/* Output Mixers */
1056 	SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
1057 			   &da7213_dapm_mixoutl_controls[0],
1058 			   ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
1059 	SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
1060 			   &da7213_dapm_mixoutr_controls[0],
1061 			   ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
1062 
1063 	/* Output PGAs */
1064 	SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
1065 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1066 	SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
1067 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1068 	SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
1069 			 DA7213_NO_INVERT, NULL, 0),
1070 	SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
1071 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1072 	SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
1073 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
1074 
1075 	/* Charge Pump */
1076 	SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
1077 			    DA7213_NO_INVERT, NULL, 0),
1078 
1079 	/* Output Lines */
1080 	SND_SOC_DAPM_OUTPUT("HPL"),
1081 	SND_SOC_DAPM_OUTPUT("HPR"),
1082 	SND_SOC_DAPM_OUTPUT("LINE"),
1083 };
1084 
1085 
1086 /*
1087  * DAPM audio route definition
1088  */
1089 
1090 static const struct snd_soc_dapm_route da7213_audio_map[] = {
1091 	/* Dest       Connecting Widget    source */
1092 
1093 	/* Input path */
1094 	{"Mic Bias 1", NULL, "VDDMIC"},
1095 	{"Mic Bias 2", NULL, "VDDMIC"},
1096 
1097 	{"MIC1", NULL, "Mic Bias 1"},
1098 	{"MIC2", NULL, "Mic Bias 2"},
1099 
1100 	{"Mic 1 Amp Source MUX", "Differential", "MIC1"},
1101 	{"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
1102 	{"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
1103 
1104 	{"Mic 2 Amp Source MUX", "Differential", "MIC2"},
1105 	{"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
1106 	{"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
1107 
1108 	{"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
1109 	{"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
1110 
1111 	{"Aux Left PGA", NULL, "AUXL"},
1112 	{"Aux Right PGA", NULL, "AUXR"},
1113 
1114 	{"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
1115 	{"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
1116 	{"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
1117 	{"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
1118 
1119 	{"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
1120 	{"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
1121 	{"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
1122 	{"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
1123 
1124 	{"Mixin Left PGA", NULL, "Mixin Left"},
1125 	{"ADC Left", NULL, "Mixin Left PGA"},
1126 
1127 	{"Mixin Right PGA", NULL, "Mixin Right"},
1128 	{"ADC Right", NULL, "Mixin Right PGA"},
1129 
1130 	{"DAI Left Source MUX", "ADC Left", "ADC Left"},
1131 	{"DAI Left Source MUX", "ADC Right", "ADC Right"},
1132 	{"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
1133 	{"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
1134 
1135 	{"DAI Right Source MUX", "ADC Left", "ADC Left"},
1136 	{"DAI Right Source MUX", "ADC Right", "ADC Right"},
1137 	{"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
1138 	{"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
1139 
1140 	{"DAIOUTL", NULL, "DAI Left Source MUX"},
1141 	{"DAIOUTR", NULL, "DAI Right Source MUX"},
1142 
1143 	{"DAIOUTL", NULL, "DAI"},
1144 	{"DAIOUTR", NULL, "DAI"},
1145 
1146 	/* Output path */
1147 	{"DAIINL", NULL, "DAI"},
1148 	{"DAIINR", NULL, "DAI"},
1149 
1150 	{"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
1151 	{"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
1152 	{"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
1153 	{"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
1154 
1155 	{"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
1156 	{"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
1157 	{"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
1158 	{"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
1159 
1160 	{"DAC Left", NULL, "DAC Left Source MUX"},
1161 	{"DAC Right", NULL, "DAC Right Source MUX"},
1162 
1163 	{"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
1164 	{"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
1165 	{"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
1166 	{"Mixout Left", "DAC Left Switch", "DAC Left"},
1167 	{"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
1168 	{"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
1169 	{"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
1170 
1171 	{"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
1172 	{"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
1173 	{"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
1174 	{"Mixout Right", "DAC Right Switch", "DAC Right"},
1175 	{"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
1176 	{"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
1177 	{"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
1178 
1179 	{"Mixout Left PGA", NULL, "Mixout Left"},
1180 	{"Mixout Right PGA", NULL, "Mixout Right"},
1181 
1182 	{"Headphone Left PGA", NULL, "Mixout Left PGA"},
1183 	{"Headphone Left PGA", NULL, "Charge Pump"},
1184 	{"HPL", NULL, "Headphone Left PGA"},
1185 
1186 	{"Headphone Right PGA", NULL, "Mixout Right PGA"},
1187 	{"Headphone Right PGA", NULL, "Charge Pump"},
1188 	{"HPR", NULL, "Headphone Right PGA"},
1189 
1190 	{"Lineout PGA", NULL, "Mixout Right PGA"},
1191 	{"LINE", NULL, "Lineout PGA"},
1192 };
1193 
1194 static const struct reg_default da7213_reg_defaults[] = {
1195 	{ DA7213_DIG_ROUTING_DAI, 0x10 },
1196 	{ DA7213_SR, 0x0A },
1197 	{ DA7213_REFERENCES, 0x80 },
1198 	{ DA7213_PLL_FRAC_TOP, 0x00 },
1199 	{ DA7213_PLL_FRAC_BOT, 0x00 },
1200 	{ DA7213_PLL_INTEGER, 0x20 },
1201 	{ DA7213_PLL_CTRL, 0x0C },
1202 	{ DA7213_DAI_CLK_MODE, 0x01 },
1203 	{ DA7213_DAI_CTRL, 0x08 },
1204 	{ DA7213_DIG_ROUTING_DAC, 0x32 },
1205 	{ DA7213_AUX_L_GAIN, 0x35 },
1206 	{ DA7213_AUX_R_GAIN, 0x35 },
1207 	{ DA7213_MIXIN_L_SELECT, 0x00 },
1208 	{ DA7213_MIXIN_R_SELECT, 0x00 },
1209 	{ DA7213_MIXIN_L_GAIN, 0x03 },
1210 	{ DA7213_MIXIN_R_GAIN, 0x03 },
1211 	{ DA7213_ADC_L_GAIN, 0x6F },
1212 	{ DA7213_ADC_R_GAIN, 0x6F },
1213 	{ DA7213_ADC_FILTERS1, 0x80 },
1214 	{ DA7213_MIC_1_GAIN, 0x01 },
1215 	{ DA7213_MIC_2_GAIN, 0x01 },
1216 	{ DA7213_DAC_FILTERS5, 0x00 },
1217 	{ DA7213_DAC_FILTERS2, 0x88 },
1218 	{ DA7213_DAC_FILTERS3, 0x88 },
1219 	{ DA7213_DAC_FILTERS4, 0x08 },
1220 	{ DA7213_DAC_FILTERS1, 0x80 },
1221 	{ DA7213_DAC_L_GAIN, 0x6F },
1222 	{ DA7213_DAC_R_GAIN, 0x6F },
1223 	{ DA7213_CP_CTRL, 0x61 },
1224 	{ DA7213_HP_L_GAIN, 0x39 },
1225 	{ DA7213_HP_R_GAIN, 0x39 },
1226 	{ DA7213_LINE_GAIN, 0x30 },
1227 	{ DA7213_MIXOUT_L_SELECT, 0x00 },
1228 	{ DA7213_MIXOUT_R_SELECT, 0x00 },
1229 	{ DA7213_SYSTEM_MODES_INPUT, 0x00 },
1230 	{ DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
1231 	{ DA7213_AUX_L_CTRL, 0x44 },
1232 	{ DA7213_AUX_R_CTRL, 0x44 },
1233 	{ DA7213_MICBIAS_CTRL, 0x11 },
1234 	{ DA7213_MIC_1_CTRL, 0x40 },
1235 	{ DA7213_MIC_2_CTRL, 0x40 },
1236 	{ DA7213_MIXIN_L_CTRL, 0x40 },
1237 	{ DA7213_MIXIN_R_CTRL, 0x40 },
1238 	{ DA7213_ADC_L_CTRL, 0x40 },
1239 	{ DA7213_ADC_R_CTRL, 0x40 },
1240 	{ DA7213_DAC_L_CTRL, 0x48 },
1241 	{ DA7213_DAC_R_CTRL, 0x40 },
1242 	{ DA7213_HP_L_CTRL, 0x41 },
1243 	{ DA7213_HP_R_CTRL, 0x40 },
1244 	{ DA7213_LINE_CTRL, 0x40 },
1245 	{ DA7213_MIXOUT_L_CTRL, 0x10 },
1246 	{ DA7213_MIXOUT_R_CTRL, 0x10 },
1247 	{ DA7213_LDO_CTRL, 0x00 },
1248 	{ DA7213_IO_CTRL, 0x00 },
1249 	{ DA7213_GAIN_RAMP_CTRL, 0x00},
1250 	{ DA7213_MIC_CONFIG, 0x00 },
1251 	{ DA7213_PC_COUNT, 0x00 },
1252 	{ DA7213_CP_VOL_THRESHOLD1, 0x32 },
1253 	{ DA7213_CP_DELAY, 0x95 },
1254 	{ DA7213_CP_DETECTOR, 0x00 },
1255 	{ DA7213_DAI_OFFSET, 0x00 },
1256 	{ DA7213_DIG_CTRL, 0x00 },
1257 	{ DA7213_ALC_CTRL2, 0x00 },
1258 	{ DA7213_ALC_CTRL3, 0x00 },
1259 	{ DA7213_ALC_NOISE, 0x3F },
1260 	{ DA7213_ALC_TARGET_MIN, 0x3F },
1261 	{ DA7213_ALC_TARGET_MAX, 0x00 },
1262 	{ DA7213_ALC_GAIN_LIMITS, 0xFF },
1263 	{ DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1264 	{ DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1265 	{ DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1266 	{ DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1267 	{ DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1268 	{ DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1269 	{ DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1270 	{ DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1271 	{ DA7213_DAC_NG_SETUP_TIME, 0x00 },
1272 	{ DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1273 	{ DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1274 	{ DA7213_DAC_NG_CTRL, 0x00 },
1275 };
1276 
1277 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1278 {
1279 	switch (reg) {
1280 	case DA7213_STATUS1:
1281 	case DA7213_PLL_STATUS:
1282 	case DA7213_AUX_L_GAIN_STATUS:
1283 	case DA7213_AUX_R_GAIN_STATUS:
1284 	case DA7213_MIC_1_GAIN_STATUS:
1285 	case DA7213_MIC_2_GAIN_STATUS:
1286 	case DA7213_MIXIN_L_GAIN_STATUS:
1287 	case DA7213_MIXIN_R_GAIN_STATUS:
1288 	case DA7213_ADC_L_GAIN_STATUS:
1289 	case DA7213_ADC_R_GAIN_STATUS:
1290 	case DA7213_DAC_L_GAIN_STATUS:
1291 	case DA7213_DAC_R_GAIN_STATUS:
1292 	case DA7213_HP_L_GAIN_STATUS:
1293 	case DA7213_HP_R_GAIN_STATUS:
1294 	case DA7213_LINE_GAIN_STATUS:
1295 	case DA7213_ALC_CTRL1:
1296 	case DA7213_ALC_OFFSET_AUTO_M_L:
1297 	case DA7213_ALC_OFFSET_AUTO_U_L:
1298 	case DA7213_ALC_OFFSET_AUTO_M_R:
1299 	case DA7213_ALC_OFFSET_AUTO_U_R:
1300 	case DA7213_ALC_CIC_OP_LVL_DATA:
1301 		return true;
1302 	default:
1303 		return false;
1304 	}
1305 }
1306 
1307 static int da7213_hw_params(struct snd_pcm_substream *substream,
1308 			    struct snd_pcm_hw_params *params,
1309 			    struct snd_soc_dai *dai)
1310 {
1311 	struct snd_soc_component *component = dai->component;
1312 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1313 	u8 dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_64;
1314 	u8 dai_ctrl = 0;
1315 	u8 fs;
1316 
1317 	/* Set channels */
1318 	switch (params_channels(params)) {
1319 	case 1:
1320 		if (da7213->fmt != DA7213_DAI_FORMAT_DSP) {
1321 			dev_err(component->dev, "Mono supported only in DSP mode\n");
1322 			return -EINVAL;
1323 		}
1324 		dai_ctrl |= DA7213_DAI_MONO_MODE_EN;
1325 		break;
1326 	case 2:
1327 		dai_ctrl &= ~(DA7213_DAI_MONO_MODE_EN);
1328 		break;
1329 	default:
1330 		return -EINVAL;
1331 	}
1332 
1333 	/* Set DAI format */
1334 	switch (params_width(params)) {
1335 	case 16:
1336 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1337 		dai_clk_mode = DA7213_DAI_BCLKS_PER_WCLK_32; /* 32bit for 1ch and 2ch */
1338 		break;
1339 	case 20:
1340 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1341 		break;
1342 	case 24:
1343 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1344 		break;
1345 	case 32:
1346 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1347 		break;
1348 	default:
1349 		return -EINVAL;
1350 	}
1351 
1352 	/* Set sampling rate */
1353 	switch (params_rate(params)) {
1354 	case 8000:
1355 		fs = DA7213_SR_8000;
1356 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1357 		break;
1358 	case 11025:
1359 		fs = DA7213_SR_11025;
1360 		da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1361 		break;
1362 	case 12000:
1363 		fs = DA7213_SR_12000;
1364 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1365 		break;
1366 	case 16000:
1367 		fs = DA7213_SR_16000;
1368 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1369 		break;
1370 	case 22050:
1371 		fs = DA7213_SR_22050;
1372 		da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1373 		break;
1374 	case 32000:
1375 		fs = DA7213_SR_32000;
1376 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1377 		break;
1378 	case 44100:
1379 		fs = DA7213_SR_44100;
1380 		da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1381 		break;
1382 	case 48000:
1383 		fs = DA7213_SR_48000;
1384 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1385 		break;
1386 	case 88200:
1387 		fs = DA7213_SR_88200;
1388 		da7213->out_rate = DA7213_PLL_FREQ_OUT_90316800;
1389 		break;
1390 	case 96000:
1391 		fs = DA7213_SR_96000;
1392 		da7213->out_rate = DA7213_PLL_FREQ_OUT_98304000;
1393 		break;
1394 	default:
1395 		return -EINVAL;
1396 	}
1397 
1398 	snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
1399 		DA7213_DAI_BCLKS_PER_WCLK_MASK, dai_clk_mode);
1400 
1401 	snd_soc_component_update_bits(component, DA7213_DAI_CTRL,
1402 		DA7213_DAI_WORD_LENGTH_MASK | DA7213_DAI_MONO_MODE_MASK, dai_ctrl);
1403 	snd_soc_component_write(component, DA7213_SR, fs);
1404 
1405 	return 0;
1406 }
1407 
1408 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1409 {
1410 	struct snd_soc_component *component = codec_dai->component;
1411 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1412 	u8 dai_clk_mode = 0, dai_ctrl = 0;
1413 	u8 dai_offset = 0;
1414 
1415 	/* Set master/slave mode */
1416 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1417 	case SND_SOC_DAIFMT_CBP_CFP:
1418 		da7213->master = true;
1419 		break;
1420 	case SND_SOC_DAIFMT_CBC_CFC:
1421 		da7213->master = false;
1422 		break;
1423 	default:
1424 		return -EINVAL;
1425 	}
1426 
1427 	/* Set clock normal/inverted */
1428 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1429 	case SND_SOC_DAIFMT_I2S:
1430 	case SND_SOC_DAIFMT_LEFT_J:
1431 	case SND_SOC_DAIFMT_RIGHT_J:
1432 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1433 		case SND_SOC_DAIFMT_NB_NF:
1434 			break;
1435 		case SND_SOC_DAIFMT_NB_IF:
1436 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1437 			break;
1438 		case SND_SOC_DAIFMT_IB_NF:
1439 			dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1440 			break;
1441 		case SND_SOC_DAIFMT_IB_IF:
1442 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1443 					DA7213_DAI_CLK_POL_INV;
1444 			break;
1445 		default:
1446 			return -EINVAL;
1447 		}
1448 		break;
1449 	case SND_SOC_DAIFMT_DSP_A:
1450 	case SND_SOC_DAIFMT_DSP_B:
1451 		/* The bclk is inverted wrt ASoC conventions */
1452 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1453 		case SND_SOC_DAIFMT_NB_NF:
1454 			dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1455 			break;
1456 		case SND_SOC_DAIFMT_NB_IF:
1457 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1458 					DA7213_DAI_CLK_POL_INV;
1459 			break;
1460 		case SND_SOC_DAIFMT_IB_NF:
1461 			break;
1462 		case SND_SOC_DAIFMT_IB_IF:
1463 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1464 			break;
1465 		default:
1466 			return -EINVAL;
1467 		}
1468 		break;
1469 	default:
1470 		return -EINVAL;
1471 	}
1472 
1473 	/* Only I2S is supported */
1474 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1475 	case SND_SOC_DAIFMT_I2S:
1476 		dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1477 		da7213->fmt = DA7213_DAI_FORMAT_I2S_MODE;
1478 		break;
1479 	case SND_SOC_DAIFMT_LEFT_J:
1480 		dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1481 		da7213->fmt = DA7213_DAI_FORMAT_LEFT_J;
1482 		break;
1483 	case SND_SOC_DAIFMT_RIGHT_J:
1484 		dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1485 		da7213->fmt = DA7213_DAI_FORMAT_RIGHT_J;
1486 		break;
1487 	case SND_SOC_DAIFMT_DSP_A: /* L data MSB after FRM LRC */
1488 		dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1489 		dai_offset = 1;
1490 		da7213->fmt = DA7213_DAI_FORMAT_DSP;
1491 		break;
1492 	case SND_SOC_DAIFMT_DSP_B: /* L data MSB during FRM LRC */
1493 		dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1494 		da7213->fmt = DA7213_DAI_FORMAT_DSP;
1495 		break;
1496 	default:
1497 		return -EINVAL;
1498 	}
1499 
1500 	/* By default only 64 BCLK per WCLK is supported */
1501 	dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
1502 
1503 	snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
1504 			    DA7213_DAI_BCLKS_PER_WCLK_MASK |
1505 			    DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK,
1506 			    dai_clk_mode);
1507 	snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1508 			    dai_ctrl);
1509 	snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset);
1510 
1511 	return 0;
1512 }
1513 
1514 static int da7213_mute(struct snd_soc_dai *dai, int mute, int direction)
1515 {
1516 	struct snd_soc_component *component = dai->component;
1517 
1518 	if (mute) {
1519 		snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1520 				    DA7213_MUTE_EN, DA7213_MUTE_EN);
1521 		snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1522 				    DA7213_MUTE_EN, DA7213_MUTE_EN);
1523 	} else {
1524 		snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1525 				    DA7213_MUTE_EN, 0);
1526 		snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1527 				    DA7213_MUTE_EN, 0);
1528 	}
1529 
1530 	return 0;
1531 }
1532 
1533 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1534 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1535 
1536 static int da7213_set_component_sysclk(struct snd_soc_component *component,
1537 				       int clk_id, int source,
1538 				       unsigned int freq, int dir)
1539 {
1540 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1541 	int ret = 0;
1542 
1543 	if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1544 		return 0;
1545 
1546 	/* Maybe audio stream is closing. */
1547 	if (freq == 0)
1548 		return 0;
1549 
1550 	if (((freq < da7213->fin_min_rate) && (freq != 32768)) || (freq > 54000000)) {
1551 		dev_err(component->dev, "Unsupported MCLK value %d\n",
1552 			freq);
1553 		return -EINVAL;
1554 	}
1555 
1556 	switch (clk_id) {
1557 	case DA7213_CLKSRC_MCLK:
1558 		snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1559 				    DA7213_PLL_MCLK_SQR_EN, 0);
1560 		break;
1561 	case DA7213_CLKSRC_MCLK_SQR:
1562 		snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1563 				    DA7213_PLL_MCLK_SQR_EN,
1564 				    DA7213_PLL_MCLK_SQR_EN);
1565 		break;
1566 	default:
1567 		dev_err(component->dev, "Unknown clock source %d\n", clk_id);
1568 		return -EINVAL;
1569 	}
1570 
1571 	da7213->clk_src = clk_id;
1572 
1573 	if (da7213->mclk) {
1574 		freq = clk_round_rate(da7213->mclk, freq);
1575 		ret = clk_set_rate(da7213->mclk, freq);
1576 		if (ret) {
1577 			dev_err(component->dev, "Failed to set clock rate %d\n",
1578 				freq);
1579 			return ret;
1580 		}
1581 	}
1582 
1583 	da7213->mclk_rate = freq;
1584 
1585 	return 0;
1586 }
1587 
1588 /* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
1589 static int _da7213_set_component_pll(struct snd_soc_component *component,
1590 				     int pll_id, int source,
1591 				     unsigned int fref, unsigned int fout)
1592 {
1593 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1594 
1595 	u8 pll_ctrl, indiv_bits, indiv;
1596 	u8 pll_frac_top, pll_frac_bot, pll_integer;
1597 	u32 freq_ref;
1598 	u64 frac_div;
1599 
1600 	/* Workout input divider based on MCLK rate */
1601 	if (da7213->mclk_rate == 32768) {
1602 		if (!da7213->master) {
1603 			dev_err(component->dev,
1604 				"32KHz only valid if codec is clock master\n");
1605 			return -EINVAL;
1606 		}
1607 
1608 		/* 32KHz PLL Mode */
1609 		indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1610 		indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1611 		source = DA7213_SYSCLK_PLL_32KHZ;
1612 		freq_ref = 3750000;
1613 
1614 	} else {
1615 		if (da7213->mclk_rate < 5000000) {
1616 			dev_err(component->dev,
1617 				"PLL input clock %d below valid range\n",
1618 				da7213->mclk_rate);
1619 			return -EINVAL;
1620 		} else if (da7213->mclk_rate <= 9000000) {
1621 			indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
1622 			indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
1623 		} else if (da7213->mclk_rate <= 18000000) {
1624 			indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1625 			indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1626 		} else if (da7213->mclk_rate <= 36000000) {
1627 			indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
1628 			indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
1629 		} else if (da7213->mclk_rate <= 54000000) {
1630 			indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
1631 			indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
1632 		} else {
1633 			dev_err(component->dev,
1634 				"PLL input clock %d above valid range\n",
1635 				da7213->mclk_rate);
1636 			return -EINVAL;
1637 		}
1638 		freq_ref = (da7213->mclk_rate / indiv);
1639 	}
1640 
1641 	pll_ctrl = indiv_bits;
1642 
1643 	/* Configure PLL */
1644 	switch (source) {
1645 	case DA7213_SYSCLK_MCLK:
1646 		snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1647 				    DA7213_PLL_INDIV_MASK |
1648 				    DA7213_PLL_MODE_MASK, pll_ctrl);
1649 		return 0;
1650 	case DA7213_SYSCLK_PLL:
1651 		break;
1652 	case DA7213_SYSCLK_PLL_SRM:
1653 		pll_ctrl |= DA7213_PLL_SRM_EN;
1654 		fout = DA7213_PLL_FREQ_OUT_94310400;
1655 		break;
1656 	case DA7213_SYSCLK_PLL_32KHZ:
1657 		if (da7213->mclk_rate != 32768) {
1658 			dev_err(component->dev,
1659 				"32KHz mode only valid with 32KHz MCLK\n");
1660 			return -EINVAL;
1661 		}
1662 
1663 		pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
1664 		fout = DA7213_PLL_FREQ_OUT_94310400;
1665 		break;
1666 	default:
1667 		dev_err(component->dev, "Invalid PLL config\n");
1668 		return -EINVAL;
1669 	}
1670 
1671 	/* Calculate dividers for PLL */
1672 	pll_integer = fout / freq_ref;
1673 	frac_div = (u64)(fout % freq_ref) * 8192ULL;
1674 	do_div(frac_div, freq_ref);
1675 	pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1676 	pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1677 
1678 	/* Write PLL dividers */
1679 	snd_soc_component_write(component, DA7213_PLL_FRAC_TOP, pll_frac_top);
1680 	snd_soc_component_write(component, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1681 	snd_soc_component_write(component, DA7213_PLL_INTEGER, pll_integer);
1682 
1683 	/* Enable PLL */
1684 	pll_ctrl |= DA7213_PLL_EN;
1685 	snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1686 			    DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
1687 			    pll_ctrl);
1688 
1689 	/* Assist 32KHz mode PLL lock */
1690 	if (source == DA7213_SYSCLK_PLL_32KHZ) {
1691 		snd_soc_component_write(component, 0xF0, 0x8B);
1692 		snd_soc_component_write(component, 0xF1, 0x03);
1693 		snd_soc_component_write(component, 0xF1, 0x01);
1694 		snd_soc_component_write(component, 0xF0, 0x00);
1695 	}
1696 
1697 	return 0;
1698 }
1699 
1700 static int da7213_set_component_pll(struct snd_soc_component *component,
1701 				    int pll_id, int source,
1702 				    unsigned int fref, unsigned int fout)
1703 {
1704 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1705 	da7213->fixed_clk_auto_pll = false;
1706 
1707 	return _da7213_set_component_pll(component, pll_id, source, fref, fout);
1708 }
1709 
1710 static const u64 da7213_dai_formats =
1711 	SND_SOC_POSSIBLE_DAIFMT_I2S	|
1712 	SND_SOC_POSSIBLE_DAIFMT_LEFT_J	|
1713 	SND_SOC_POSSIBLE_DAIFMT_RIGHT_J	|
1714 	SND_SOC_POSSIBLE_DAIFMT_DSP_A	|
1715 	SND_SOC_POSSIBLE_DAIFMT_DSP_B	|
1716 	SND_SOC_POSSIBLE_DAIFMT_NB_NF	|
1717 	SND_SOC_POSSIBLE_DAIFMT_NB_IF	|
1718 	SND_SOC_POSSIBLE_DAIFMT_IB_NF	|
1719 	SND_SOC_POSSIBLE_DAIFMT_IB_IF;
1720 
1721 /* DAI operations */
1722 static const struct snd_soc_dai_ops da7213_dai_ops = {
1723 	.hw_params	= da7213_hw_params,
1724 	.set_fmt	= da7213_set_dai_fmt,
1725 	.mute_stream	= da7213_mute,
1726 	.no_capture_mute = 1,
1727 	.auto_selectable_formats	= &da7213_dai_formats,
1728 	.num_auto_selectable_formats	= 1,
1729 };
1730 
1731 static struct snd_soc_dai_driver da7213_dai = {
1732 	.name = "da7213-hifi",
1733 	/* Playback Capabilities */
1734 	.playback = {
1735 		.stream_name = "Playback",
1736 		.channels_min = 1,
1737 		.channels_max = 2,
1738 		.rates = SNDRV_PCM_RATE_8000_96000,
1739 		.formats = DA7213_FORMATS,
1740 	},
1741 	/* Capture Capabilities */
1742 	.capture = {
1743 		.stream_name = "Capture",
1744 		.channels_min = 1,
1745 		.channels_max = 2,
1746 		.rates = SNDRV_PCM_RATE_8000_96000,
1747 		.formats = DA7213_FORMATS,
1748 	},
1749 	.ops = &da7213_dai_ops,
1750 	.symmetric_rate = 1,
1751 };
1752 
1753 static int da7213_set_auto_pll(struct snd_soc_component *component, bool enable)
1754 {
1755 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1756 	int mode;
1757 
1758 	if (!da7213->fixed_clk_auto_pll)
1759 		return 0;
1760 
1761 	da7213->mclk_rate = clk_get_rate(da7213->mclk);
1762 
1763 	if (enable) {
1764 		/* Slave mode needs SRM for non-harmonic frequencies */
1765 		if (da7213->master)
1766 			mode = DA7213_SYSCLK_PLL;
1767 		else
1768 			mode = DA7213_SYSCLK_PLL_SRM;
1769 
1770 		/* PLL is not required for harmonic frequencies */
1771 		switch (da7213->out_rate) {
1772 		case DA7213_PLL_FREQ_OUT_90316800:
1773 			if (da7213->mclk_rate == 11289600 ||
1774 			    da7213->mclk_rate == 22579200 ||
1775 			    da7213->mclk_rate == 45158400)
1776 				mode = DA7213_SYSCLK_MCLK;
1777 			break;
1778 		case DA7213_PLL_FREQ_OUT_98304000:
1779 			if (da7213->mclk_rate == 12288000 ||
1780 			    da7213->mclk_rate == 24576000 ||
1781 			    da7213->mclk_rate == 49152000)
1782 				mode = DA7213_SYSCLK_MCLK;
1783 
1784 			break;
1785 		default:
1786 			return -1;
1787 		}
1788 	} else {
1789 		/* Disable PLL in standby */
1790 		mode = DA7213_SYSCLK_MCLK;
1791 	}
1792 
1793 	return _da7213_set_component_pll(component, 0, mode,
1794 					 da7213->mclk_rate, da7213->out_rate);
1795 }
1796 
1797 static int da7213_set_bias_level(struct snd_soc_component *component,
1798 				 enum snd_soc_bias_level level)
1799 {
1800 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1801 	struct snd_soc_dapm_context *dapm = snd_soc_component_to_dapm(component);
1802 	int ret;
1803 
1804 	switch (level) {
1805 	case SND_SOC_BIAS_ON:
1806 		break;
1807 	case SND_SOC_BIAS_PREPARE:
1808 		/* Enable MCLK for transition to ON state */
1809 		if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_STANDBY) {
1810 			if (da7213->mclk) {
1811 				ret = clk_prepare_enable(da7213->mclk);
1812 				if (ret) {
1813 					dev_err(component->dev,
1814 						"Failed to enable mclk\n");
1815 					return ret;
1816 				}
1817 
1818 				da7213_set_auto_pll(component, true);
1819 			}
1820 		}
1821 		break;
1822 	case SND_SOC_BIAS_STANDBY:
1823 		if (snd_soc_dapm_get_bias_level(dapm) == SND_SOC_BIAS_OFF) {
1824 			/* Enable VMID reference & master bias */
1825 			snd_soc_component_update_bits(component, DA7213_REFERENCES,
1826 					    DA7213_VMID_EN | DA7213_BIAS_EN,
1827 					    DA7213_VMID_EN | DA7213_BIAS_EN);
1828 		} else {
1829 			/* Remove MCLK */
1830 			if (da7213->mclk) {
1831 				da7213_set_auto_pll(component, false);
1832 				clk_disable_unprepare(da7213->mclk);
1833 			}
1834 		}
1835 		break;
1836 	case SND_SOC_BIAS_OFF:
1837 		/* Disable VMID reference & master bias */
1838 		snd_soc_component_update_bits(component, DA7213_REFERENCES,
1839 				    DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1840 		break;
1841 	}
1842 	return 0;
1843 }
1844 
1845 #define DA7213_FIN_MIN_RATE	(5 * MEGA)
1846 #define DA7212_FIN_MIN_RATE	(2 * MEGA)
1847 
1848 #if defined(CONFIG_OF)
1849 /* DT */
1850 static const struct of_device_id da7213_of_match[] = {
1851 	{ .compatible = "dlg,da7212", .data = (void *)DA7212_FIN_MIN_RATE },
1852 	{ .compatible = "dlg,da7213", .data = (void *)DA7213_FIN_MIN_RATE },
1853 	{ }
1854 };
1855 MODULE_DEVICE_TABLE(of, da7213_of_match);
1856 #endif
1857 
1858 #ifdef CONFIG_ACPI
1859 static const struct acpi_device_id da7213_acpi_match[] = {
1860 	{ "DLGS7212", DA7212_FIN_MIN_RATE },
1861 	{ "DLGS7213", DA7213_FIN_MIN_RATE },
1862 	{ },
1863 };
1864 MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
1865 #endif
1866 
1867 static enum da7213_micbias_voltage
1868 	da7213_of_micbias_lvl(struct snd_soc_component *component, u32 val)
1869 {
1870 	switch (val) {
1871 	case 1600:
1872 		return DA7213_MICBIAS_1_6V;
1873 	case 2200:
1874 		return DA7213_MICBIAS_2_2V;
1875 	case 2500:
1876 		return DA7213_MICBIAS_2_5V;
1877 	case 3000:
1878 		return DA7213_MICBIAS_3_0V;
1879 	default:
1880 		dev_warn(component->dev, "Invalid micbias level\n");
1881 		return DA7213_MICBIAS_2_2V;
1882 	}
1883 }
1884 
1885 static enum da7213_dmic_data_sel
1886 	da7213_of_dmic_data_sel(struct snd_soc_component *component, const char *str)
1887 {
1888 	if (!strcmp(str, "lrise_rfall")) {
1889 		return DA7213_DMIC_DATA_LRISE_RFALL;
1890 	} else if (!strcmp(str, "lfall_rrise")) {
1891 		return DA7213_DMIC_DATA_LFALL_RRISE;
1892 	} else {
1893 		dev_warn(component->dev, "Invalid DMIC data select type\n");
1894 		return DA7213_DMIC_DATA_LRISE_RFALL;
1895 	}
1896 }
1897 
1898 static enum da7213_dmic_samplephase
1899 	da7213_of_dmic_samplephase(struct snd_soc_component *component, const char *str)
1900 {
1901 	if (!strcmp(str, "on_clkedge")) {
1902 		return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1903 	} else if (!strcmp(str, "between_clkedge")) {
1904 		return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1905 	} else {
1906 		dev_warn(component->dev, "Invalid DMIC sample phase\n");
1907 		return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1908 	}
1909 }
1910 
1911 static enum da7213_dmic_clk_rate
1912 	da7213_of_dmic_clkrate(struct snd_soc_component *component, u32 val)
1913 {
1914 	switch (val) {
1915 	case 1500000:
1916 		return DA7213_DMIC_CLK_1_5MHZ;
1917 	case 3000000:
1918 		return DA7213_DMIC_CLK_3_0MHZ;
1919 	default:
1920 		dev_warn(component->dev, "Invalid DMIC clock rate\n");
1921 		return DA7213_DMIC_CLK_1_5MHZ;
1922 	}
1923 }
1924 
1925 static struct da7213_platform_data
1926 	*da7213_fw_to_pdata(struct snd_soc_component *component)
1927 {
1928 	struct device *dev = component->dev;
1929 	struct da7213_platform_data *pdata;
1930 	const char *fw_str;
1931 	u32 fw_val32;
1932 
1933 	pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL);
1934 	if (!pdata)
1935 		return NULL;
1936 
1937 	if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
1938 		pdata->micbias1_lvl = da7213_of_micbias_lvl(component, fw_val32);
1939 	else
1940 		pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1941 
1942 	if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
1943 		pdata->micbias2_lvl = da7213_of_micbias_lvl(component, fw_val32);
1944 	else
1945 		pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1946 
1947 	if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
1948 		pdata->dmic_data_sel = da7213_of_dmic_data_sel(component, fw_str);
1949 	else
1950 		pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1951 
1952 	if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
1953 		pdata->dmic_samplephase =
1954 			da7213_of_dmic_samplephase(component, fw_str);
1955 	else
1956 		pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1957 
1958 	if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
1959 		pdata->dmic_clk_rate = da7213_of_dmic_clkrate(component, fw_val32);
1960 	else
1961 		pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1962 
1963 	return pdata;
1964 }
1965 
1966 static int da7213_probe(struct snd_soc_component *component)
1967 {
1968 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1969 
1970 	pm_runtime_get_sync(component->dev);
1971 
1972 	/* Default to using ALC auto offset calibration mode. */
1973 	snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
1974 			    DA7213_ALC_CALIB_MODE_MAN, 0);
1975 	da7213->alc_calib_auto = true;
1976 
1977 	/* Default PC counter to free-running */
1978 	snd_soc_component_update_bits(component, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
1979 			    DA7213_PC_FREERUN_MASK);
1980 
1981 	/* Enable all Gain Ramps */
1982 	snd_soc_component_update_bits(component, DA7213_AUX_L_CTRL,
1983 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1984 	snd_soc_component_update_bits(component, DA7213_AUX_R_CTRL,
1985 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1986 	snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1987 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1988 	snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1989 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1990 	snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL,
1991 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1992 	snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL,
1993 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1994 	snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1995 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1996 	snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1997 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1998 	snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
1999 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2000 	snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
2001 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2002 	snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
2003 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
2004 
2005 	/*
2006 	 * There are two separate control bits for input and output mixers as
2007 	 * well as headphone and line outs.
2008 	 * One to enable corresponding amplifier and other to enable its
2009 	 * output. As amplifier bits are related to power control, they are
2010 	 * being managed by DAPM while other (non power related) bits are
2011 	 * enabled here
2012 	 */
2013 	snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
2014 			    DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
2015 	snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
2016 			    DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
2017 
2018 	snd_soc_component_update_bits(component, DA7213_MIXOUT_L_CTRL,
2019 			    DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
2020 	snd_soc_component_update_bits(component, DA7213_MIXOUT_R_CTRL,
2021 			    DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
2022 
2023 	snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
2024 			    DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
2025 	snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
2026 			    DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
2027 
2028 	snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
2029 			    DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
2030 
2031 	/* Handle DT/Platform data */
2032 	da7213->pdata = dev_get_platdata(component->dev);
2033 	if (!da7213->pdata)
2034 		da7213->pdata = da7213_fw_to_pdata(component);
2035 
2036 	/* Set platform data values */
2037 	if (da7213->pdata) {
2038 		struct da7213_platform_data *pdata = da7213->pdata;
2039 		u8 micbias_lvl = 0, dmic_cfg = 0;
2040 
2041 		/* Set Mic Bias voltages */
2042 		switch (pdata->micbias1_lvl) {
2043 		case DA7213_MICBIAS_1_6V:
2044 		case DA7213_MICBIAS_2_2V:
2045 		case DA7213_MICBIAS_2_5V:
2046 		case DA7213_MICBIAS_3_0V:
2047 			micbias_lvl |= (pdata->micbias1_lvl <<
2048 					DA7213_MICBIAS1_LEVEL_SHIFT);
2049 			break;
2050 		}
2051 		switch (pdata->micbias2_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->micbias2_lvl <<
2057 					 DA7213_MICBIAS2_LEVEL_SHIFT);
2058 			break;
2059 		}
2060 		snd_soc_component_update_bits(component, DA7213_MICBIAS_CTRL,
2061 				    DA7213_MICBIAS1_LEVEL_MASK |
2062 				    DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
2063 
2064 		/* Set DMIC configuration */
2065 		switch (pdata->dmic_data_sel) {
2066 		case DA7213_DMIC_DATA_LFALL_RRISE:
2067 		case DA7213_DMIC_DATA_LRISE_RFALL:
2068 			dmic_cfg |= (pdata->dmic_data_sel <<
2069 				     DA7213_DMIC_DATA_SEL_SHIFT);
2070 			break;
2071 		}
2072 		switch (pdata->dmic_samplephase) {
2073 		case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
2074 		case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
2075 			dmic_cfg |= (pdata->dmic_samplephase <<
2076 				     DA7213_DMIC_SAMPLEPHASE_SHIFT);
2077 			break;
2078 		}
2079 		switch (pdata->dmic_clk_rate) {
2080 		case DA7213_DMIC_CLK_3_0MHZ:
2081 		case DA7213_DMIC_CLK_1_5MHZ:
2082 			dmic_cfg |= (pdata->dmic_clk_rate <<
2083 				     DA7213_DMIC_CLK_RATE_SHIFT);
2084 			break;
2085 		}
2086 		snd_soc_component_update_bits(component, DA7213_MIC_CONFIG,
2087 				    DA7213_DMIC_DATA_SEL_MASK |
2088 				    DA7213_DMIC_SAMPLEPHASE_MASK |
2089 				    DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
2090 	}
2091 
2092 	pm_runtime_put_sync(component->dev);
2093 
2094 	/* Check if MCLK provided */
2095 	da7213->mclk = devm_clk_get_optional(component->dev, "mclk");
2096 	if (IS_ERR(da7213->mclk))
2097 		return PTR_ERR(da7213->mclk);
2098 	if (da7213->mclk)
2099 		/* Do automatic PLL handling assuming fixed clock until
2100 		 * set_pll() has been called. This makes the codec usable
2101 		 * with the simple-audio-card driver. */
2102 		da7213->fixed_clk_auto_pll = true;
2103 
2104 	/* Default infinite tone gen, start/stop by Kcontrol */
2105 	snd_soc_component_write(component, DA7213_TONE_GEN_CYCLES, DA7213_BEEP_CYCLES_MASK);
2106 
2107 	return 0;
2108 }
2109 
2110 static int da7213_runtime_suspend(struct device *dev)
2111 {
2112 	struct da7213_priv *da7213 = dev_get_drvdata(dev);
2113 
2114 	regcache_cache_only(da7213->regmap, true);
2115 	regcache_mark_dirty(da7213->regmap);
2116 	regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
2117 
2118 	return 0;
2119 }
2120 
2121 static int da7213_runtime_resume(struct device *dev)
2122 {
2123 	struct da7213_priv *da7213 = dev_get_drvdata(dev);
2124 	int ret;
2125 
2126 	ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
2127 	if (ret < 0)
2128 		return ret;
2129 	regcache_cache_only(da7213->regmap, false);
2130 	return regcache_sync(da7213->regmap);
2131 }
2132 
2133 static int da7213_suspend(struct snd_soc_component *component)
2134 {
2135 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
2136 
2137 	return da7213_runtime_suspend(da7213->dev);
2138 }
2139 
2140 static int da7213_resume(struct snd_soc_component *component)
2141 {
2142 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
2143 
2144 	return da7213_runtime_resume(da7213->dev);
2145 }
2146 
2147 static const struct snd_soc_component_driver soc_component_dev_da7213 = {
2148 	.probe			= da7213_probe,
2149 	.set_bias_level		= da7213_set_bias_level,
2150 	.controls		= da7213_snd_controls,
2151 	.num_controls		= ARRAY_SIZE(da7213_snd_controls),
2152 	.suspend		= da7213_suspend,
2153 	.resume			= da7213_resume,
2154 	.dapm_widgets		= da7213_dapm_widgets,
2155 	.num_dapm_widgets	= ARRAY_SIZE(da7213_dapm_widgets),
2156 	.dapm_routes		= da7213_audio_map,
2157 	.num_dapm_routes	= ARRAY_SIZE(da7213_audio_map),
2158 	.set_sysclk		= da7213_set_component_sysclk,
2159 	.set_pll		= da7213_set_component_pll,
2160 	.idle_bias_on		= 1,
2161 	.use_pmdown_time	= 1,
2162 	.endianness		= 1,
2163 };
2164 
2165 static const struct regmap_config da7213_regmap_config = {
2166 	.reg_bits = 8,
2167 	.val_bits = 8,
2168 
2169 	.max_register = DA7213_TONE_GEN_OFF_PER,
2170 	.reg_defaults = da7213_reg_defaults,
2171 	.num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
2172 	.volatile_reg = da7213_volatile_register,
2173 	.cache_type = REGCACHE_RBTREE,
2174 };
2175 
2176 static void da7213_power_off(void *data)
2177 {
2178 	struct da7213_priv *da7213 = data;
2179 	regulator_bulk_disable(DA7213_NUM_SUPPLIES, da7213->supplies);
2180 }
2181 
2182 static const char *da7213_supply_names[DA7213_NUM_SUPPLIES] = {
2183 	[DA7213_SUPPLY_VDDA] = "VDDA",
2184 	[DA7213_SUPPLY_VDDIO] = "VDDIO",
2185 };
2186 
2187 static int da7213_i2c_probe(struct i2c_client *i2c)
2188 {
2189 	struct da7213_priv *da7213;
2190 	int i, ret;
2191 
2192 	da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL);
2193 	if (!da7213)
2194 		return -ENOMEM;
2195 
2196 	da7213->fin_min_rate = (uintptr_t)i2c_get_match_data(i2c);
2197 	if (!da7213->fin_min_rate)
2198 		return -EINVAL;
2199 
2200 	da7213->dev = &i2c->dev;
2201 
2202 	i2c_set_clientdata(i2c, da7213);
2203 
2204 	/* Get required supplies */
2205 	for (i = 0; i < DA7213_NUM_SUPPLIES; ++i)
2206 		da7213->supplies[i].supply = da7213_supply_names[i];
2207 
2208 	ret = devm_regulator_bulk_get(&i2c->dev, DA7213_NUM_SUPPLIES,
2209 				      da7213->supplies);
2210 	if (ret) {
2211 		dev_err(&i2c->dev, "Failed to get supplies: %d\n", ret);
2212 		return ret;
2213 	}
2214 
2215 	ret = regulator_bulk_enable(DA7213_NUM_SUPPLIES, da7213->supplies);
2216 	if (ret < 0)
2217 		return ret;
2218 
2219 	ret = devm_add_action_or_reset(&i2c->dev, da7213_power_off, da7213);
2220 	if (ret < 0)
2221 		return ret;
2222 
2223 	da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
2224 	if (IS_ERR(da7213->regmap)) {
2225 		ret = PTR_ERR(da7213->regmap);
2226 		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2227 		return ret;
2228 	}
2229 
2230 	mutex_init(&da7213->ctrl_lock);
2231 
2232 	pm_runtime_set_autosuspend_delay(&i2c->dev, 100);
2233 	pm_runtime_use_autosuspend(&i2c->dev);
2234 	pm_runtime_set_active(&i2c->dev);
2235 	pm_runtime_enable(&i2c->dev);
2236 
2237 	ret = devm_snd_soc_register_component(&i2c->dev,
2238 			&soc_component_dev_da7213, &da7213_dai, 1);
2239 	if (ret < 0) {
2240 		dev_err(&i2c->dev, "Failed to register da7213 component: %d\n",
2241 			ret);
2242 	}
2243 	return ret;
2244 }
2245 
2246 static void da7213_i2c_remove(struct i2c_client *i2c)
2247 {
2248 	pm_runtime_disable(&i2c->dev);
2249 }
2250 
2251 static const struct dev_pm_ops da7213_pm = {
2252 	RUNTIME_PM_OPS(da7213_runtime_suspend, da7213_runtime_resume, NULL)
2253 };
2254 
2255 static const struct i2c_device_id da7213_i2c_id[] = {
2256 	{ .name = "da7213" },
2257 	{ }
2258 };
2259 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
2260 
2261 /* I2C codec control layer */
2262 static struct i2c_driver da7213_i2c_driver = {
2263 	.driver = {
2264 		.name = "da7213",
2265 		.of_match_table = of_match_ptr(da7213_of_match),
2266 		.acpi_match_table = ACPI_PTR(da7213_acpi_match),
2267 		.pm = pm_ptr(&da7213_pm),
2268 	},
2269 	.probe		= da7213_i2c_probe,
2270 	.remove		= da7213_i2c_remove,
2271 	.id_table	= da7213_i2c_id,
2272 };
2273 
2274 module_i2c_driver(da7213_i2c_driver);
2275 
2276 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
2277 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2278 MODULE_AUTHOR("David Rau <David.Rau.opensource@dm.renesas.com>");
2279 MODULE_LICENSE("GPL");
2280