xref: /openbmc/linux/sound/soc/codecs/da7213.c (revision 9b9c2cd4)
1 /*
2  * DA7213 ALSA SoC Codec Driver
3  *
4  * Copyright (c) 2013 Dialog Semiconductor
5  *
6  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
7  * Based on DA9055 ALSA SoC codec driver.
8  *
9  * This program is free software; you can redistribute  it and/or modify it
10  * under  the terms of  the GNU General  Public License as published by the
11  * Free Software Foundation;  either version 2 of the  License, or (at your
12  * option) any later version.
13  */
14 
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 <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 
59 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
60 static const char * const da7213_voice_hpf_corner_txt[] = {
61 	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
62 };
63 
64 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
65 			    DA7213_DAC_FILTERS1,
66 			    DA7213_VOICE_HPF_CORNER_SHIFT,
67 			    da7213_voice_hpf_corner_txt);
68 
69 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
70 			    DA7213_ADC_FILTERS1,
71 			    DA7213_VOICE_HPF_CORNER_SHIFT,
72 			    da7213_voice_hpf_corner_txt);
73 
74 /* ADC and DAC high pass filter cutoff value */
75 static const char * const da7213_audio_hpf_corner_txt[] = {
76 	"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
77 };
78 
79 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
80 			    DA7213_DAC_FILTERS1
81 			    , DA7213_AUDIO_HPF_CORNER_SHIFT,
82 			    da7213_audio_hpf_corner_txt);
83 
84 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
85 			    DA7213_ADC_FILTERS1,
86 			    DA7213_AUDIO_HPF_CORNER_SHIFT,
87 			    da7213_audio_hpf_corner_txt);
88 
89 /* Gain ramping rate value */
90 static const char * const da7213_gain_ramp_rate_txt[] = {
91 	"nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
92 	"nominal rate / 32"
93 };
94 
95 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
96 			    DA7213_GAIN_RAMP_CTRL,
97 			    DA7213_GAIN_RAMP_RATE_SHIFT,
98 			    da7213_gain_ramp_rate_txt);
99 
100 /* DAC noise gate setup time value */
101 static const char * const da7213_dac_ng_setup_time_txt[] = {
102 	"256 samples", "512 samples", "1024 samples", "2048 samples"
103 };
104 
105 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
106 			    DA7213_DAC_NG_SETUP_TIME,
107 			    DA7213_DAC_NG_SETUP_TIME_SHIFT,
108 			    da7213_dac_ng_setup_time_txt);
109 
110 /* DAC noise gate rampup rate value */
111 static const char * const da7213_dac_ng_rampup_txt[] = {
112 	"0.02 ms/dB", "0.16 ms/dB"
113 };
114 
115 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
116 			    DA7213_DAC_NG_SETUP_TIME,
117 			    DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
118 			    da7213_dac_ng_rampup_txt);
119 
120 /* DAC noise gate rampdown rate value */
121 static const char * const da7213_dac_ng_rampdown_txt[] = {
122 	"0.64 ms/dB", "20.48 ms/dB"
123 };
124 
125 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
126 			    DA7213_DAC_NG_SETUP_TIME,
127 			    DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
128 			    da7213_dac_ng_rampdown_txt);
129 
130 /* DAC soft mute rate value */
131 static const char * const da7213_dac_soft_mute_rate_txt[] = {
132 	"1", "2", "4", "8", "16", "32", "64"
133 };
134 
135 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
136 			    DA7213_DAC_FILTERS5,
137 			    DA7213_DAC_SOFTMUTE_RATE_SHIFT,
138 			    da7213_dac_soft_mute_rate_txt);
139 
140 /* ALC Attack Rate select */
141 static const char * const da7213_alc_attack_rate_txt[] = {
142 	"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
143 	"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
144 };
145 
146 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
147 			    DA7213_ALC_CTRL2,
148 			    DA7213_ALC_ATTACK_SHIFT,
149 			    da7213_alc_attack_rate_txt);
150 
151 /* ALC Release Rate select */
152 static const char * const da7213_alc_release_rate_txt[] = {
153 	"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
154 	"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
155 };
156 
157 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
158 			    DA7213_ALC_CTRL2,
159 			    DA7213_ALC_RELEASE_SHIFT,
160 			    da7213_alc_release_rate_txt);
161 
162 /* ALC Hold Time select */
163 static const char * const da7213_alc_hold_time_txt[] = {
164 	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
165 	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
166 	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
167 };
168 
169 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
170 			    DA7213_ALC_CTRL3,
171 			    DA7213_ALC_HOLD_SHIFT,
172 			    da7213_alc_hold_time_txt);
173 
174 /* ALC Input Signal Tracking rate select */
175 static const char * const da7213_alc_integ_rate_txt[] = {
176 	"1/4", "1/16", "1/256", "1/65536"
177 };
178 
179 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
180 			    DA7213_ALC_CTRL3,
181 			    DA7213_ALC_INTEG_ATTACK_SHIFT,
182 			    da7213_alc_integ_rate_txt);
183 
184 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
185 			    DA7213_ALC_CTRL3,
186 			    DA7213_ALC_INTEG_RELEASE_SHIFT,
187 			    da7213_alc_integ_rate_txt);
188 
189 
190 /*
191  * Control Functions
192  */
193 
194 static int da7213_get_alc_data(struct snd_soc_codec *codec, u8 reg_val)
195 {
196 	int mid_data, top_data;
197 	int sum = 0;
198 	u8 iteration;
199 
200 	for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
201 	     iteration++) {
202 		/* Select the left or right channel and capture data */
203 		snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
204 
205 		/* Select middle 8 bits for read back from data register */
206 		snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
207 			      reg_val | DA7213_ALC_DATA_MIDDLE);
208 		mid_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
209 
210 		/* Select top 8 bits for read back from data register */
211 		snd_soc_write(codec, DA7213_ALC_CIC_OP_LVL_CTRL,
212 			      reg_val | DA7213_ALC_DATA_TOP);
213 		top_data = snd_soc_read(codec, DA7213_ALC_CIC_OP_LVL_DATA);
214 
215 		sum += ((mid_data << 8) | (top_data << 16));
216 	}
217 
218 	return sum / DA7213_ALC_AVG_ITERATIONS;
219 }
220 
221 static void da7213_alc_calib_man(struct snd_soc_codec *codec)
222 {
223 	u8 reg_val;
224 	int avg_left_data, avg_right_data, offset_l, offset_r;
225 
226 	/* Calculate average for Left and Right data */
227 	/* Left Data */
228 	avg_left_data = da7213_get_alc_data(codec,
229 			DA7213_ALC_CIC_OP_CHANNEL_LEFT);
230 	/* Right Data */
231 	avg_right_data = da7213_get_alc_data(codec,
232 			 DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
233 
234 	/* Calculate DC offset */
235 	offset_l = -avg_left_data;
236 	offset_r = -avg_right_data;
237 
238 	reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
239 	snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
240 	reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
241 	snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
242 
243 	reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
244 	snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
245 	reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
246 	snd_soc_write(codec, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
247 
248 	/* Enable analog/digital gain mode & offset cancellation */
249 	snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
250 			    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
251 			    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
252 }
253 
254 static void da7213_alc_calib_auto(struct snd_soc_codec *codec)
255 {
256 	u8 alc_ctrl1;
257 
258 	/* Begin auto calibration and wait for completion */
259 	snd_soc_update_bits(codec, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
260 			    DA7213_ALC_AUTO_CALIB_EN);
261 	do {
262 		alc_ctrl1 = snd_soc_read(codec, DA7213_ALC_CTRL1);
263 	} while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
264 
265 	/* If auto calibration fails, fall back to digital gain only mode */
266 	if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
267 		dev_warn(codec->dev,
268 			 "ALC auto calibration failed with overflow\n");
269 		snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
270 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
271 				    0);
272 	} else {
273 		/* Enable analog/digital gain mode & offset cancellation */
274 		snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
275 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
276 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
277 	}
278 
279 }
280 
281 static void da7213_alc_calib(struct snd_soc_codec *codec)
282 {
283 	struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
284 	u8 adc_l_ctrl, adc_r_ctrl;
285 	u8 mixin_l_sel, mixin_r_sel;
286 	u8 mic_1_ctrl, mic_2_ctrl;
287 
288 	/* Save current values from ADC control registers */
289 	adc_l_ctrl = snd_soc_read(codec, DA7213_ADC_L_CTRL);
290 	adc_r_ctrl = snd_soc_read(codec, DA7213_ADC_R_CTRL);
291 
292 	/* Save current values from MIXIN_L/R_SELECT registers */
293 	mixin_l_sel = snd_soc_read(codec, DA7213_MIXIN_L_SELECT);
294 	mixin_r_sel = snd_soc_read(codec, DA7213_MIXIN_R_SELECT);
295 
296 	/* Save current values from MIC control registers */
297 	mic_1_ctrl = snd_soc_read(codec, DA7213_MIC_1_CTRL);
298 	mic_2_ctrl = snd_soc_read(codec, DA7213_MIC_2_CTRL);
299 
300 	/* Enable ADC Left and Right */
301 	snd_soc_update_bits(codec, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
302 			    DA7213_ADC_EN);
303 	snd_soc_update_bits(codec, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
304 			    DA7213_ADC_EN);
305 
306 	/* Enable MIC paths */
307 	snd_soc_update_bits(codec, DA7213_MIXIN_L_SELECT,
308 			    DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
309 			    DA7213_MIXIN_L_MIX_SELECT_MIC_2,
310 			    DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
311 			    DA7213_MIXIN_L_MIX_SELECT_MIC_2);
312 	snd_soc_update_bits(codec, DA7213_MIXIN_R_SELECT,
313 			    DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
314 			    DA7213_MIXIN_R_MIX_SELECT_MIC_1,
315 			    DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
316 			    DA7213_MIXIN_R_MIX_SELECT_MIC_1);
317 
318 	/* Mute MIC PGAs */
319 	snd_soc_update_bits(codec, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
320 			    DA7213_MUTE_EN);
321 	snd_soc_update_bits(codec, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
322 			    DA7213_MUTE_EN);
323 
324 	/* Perform calibration */
325 	if (da7213->alc_calib_auto)
326 		da7213_alc_calib_auto(codec);
327 	else
328 		da7213_alc_calib_man(codec);
329 
330 	/* Restore MIXIN_L/R_SELECT registers to their original states */
331 	snd_soc_write(codec, DA7213_MIXIN_L_SELECT, mixin_l_sel);
332 	snd_soc_write(codec, DA7213_MIXIN_R_SELECT, mixin_r_sel);
333 
334 	/* Restore ADC control registers to their original states */
335 	snd_soc_write(codec, DA7213_ADC_L_CTRL, adc_l_ctrl);
336 	snd_soc_write(codec, DA7213_ADC_R_CTRL, adc_r_ctrl);
337 
338 	/* Restore original values of MIC control registers */
339 	snd_soc_write(codec, DA7213_MIC_1_CTRL, mic_1_ctrl);
340 	snd_soc_write(codec, DA7213_MIC_2_CTRL, mic_2_ctrl);
341 }
342 
343 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
344 				struct snd_ctl_elem_value *ucontrol)
345 {
346 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
347 	struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
348 	int ret;
349 
350 	ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
351 
352 	/* If ALC in operation, make sure calibrated offsets are updated */
353 	if ((!ret) && (da7213->alc_en))
354 		da7213_alc_calib(codec);
355 
356 	return ret;
357 }
358 
359 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
360 			    struct snd_ctl_elem_value *ucontrol)
361 {
362 	struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
363 	struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
364 
365 	/* Force ALC offset calibration if enabling ALC */
366 	if (ucontrol->value.integer.value[0] ||
367 	    ucontrol->value.integer.value[1]) {
368 		if (!da7213->alc_en) {
369 			da7213_alc_calib(codec);
370 			da7213->alc_en = true;
371 		}
372 	} else {
373 		da7213->alc_en = false;
374 	}
375 
376 	return snd_soc_put_volsw(kcontrol, ucontrol);
377 }
378 
379 
380 /*
381  * KControls
382  */
383 
384 static const struct snd_kcontrol_new da7213_snd_controls[] = {
385 
386 	/* Volume controls */
387 	SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
388 		       DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
389 		       DA7213_NO_INVERT, mic_vol_tlv),
390 	SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
391 		       DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
392 		       DA7213_NO_INVERT, mic_vol_tlv),
393 	SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
394 			 DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
395 			 DA7213_NO_INVERT, aux_vol_tlv),
396 	SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
397 			     DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
398 			     DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
399 			     snd_soc_get_volsw_2r, da7213_put_mixin_gain,
400 			     mixin_gain_tlv),
401 	SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
402 			 DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
403 			 DA7213_NO_INVERT, digital_gain_tlv),
404 	SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
405 			 DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
406 			 DA7213_NO_INVERT, digital_gain_tlv),
407 	SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
408 			 DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
409 			 DA7213_NO_INVERT, hp_vol_tlv),
410 	SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
411 		       DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
412 		       DA7213_NO_INVERT, lineout_vol_tlv),
413 
414 	/* DAC Equalizer controls */
415 	SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
416 		   DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
417 	SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
418 		       DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
419 		       DA7213_NO_INVERT, eq_gain_tlv),
420 	SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
421 		       DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
422 		       DA7213_NO_INVERT, eq_gain_tlv),
423 	SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
424 		       DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
425 		       DA7213_NO_INVERT, eq_gain_tlv),
426 	SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
427 		       DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
428 		       DA7213_NO_INVERT, eq_gain_tlv),
429 	SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
430 		       DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
431 		       DA7213_NO_INVERT, eq_gain_tlv),
432 
433 	/* High Pass Filter and Voice Mode controls */
434 	SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
435 		   DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
436 	SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
437 	SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
438 		   DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
439 		   DA7213_NO_INVERT),
440 	SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
441 
442 	SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
443 		   DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
444 	SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
445 	SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
446 		   DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
447 		   DA7213_NO_INVERT),
448 	SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
449 
450 	/* Mute controls */
451 	SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
452 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
453 	SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
454 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
455 	SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
456 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
457 	SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
458 		     DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
459 		     DA7213_MUTE_EN_MAX, DA7213_INVERT),
460 	SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
461 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
462 	SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
463 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
464 	SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
465 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
466 	SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
467 		   DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
468 		   DA7213_NO_INVERT),
469 	SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
470 
471 	/* Zero Cross controls */
472 	SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
473 		     DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
474 	SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
475 		     DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
476 		     DA7213_NO_INVERT),
477 	SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
478 		     DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
479 
480 	/* Gain Ramping controls */
481 	SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
482 		     DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
483 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
484 	SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
485 		     DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
486 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
487 	SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
488 		     DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
489 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
490 	SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
491 		     DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
492 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
493 	SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
494 		     DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
495 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
496 	SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
497 		   DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
498 		   DA7213_NO_INVERT),
499 	SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
500 
501 	/* DAC Noise Gate controls */
502 	SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
503 		   DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
504 	SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
505 	SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
506 	SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
507 	SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
508 		   DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
509 		   DA7213_NO_INVERT),
510 	SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
511 		   DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
512 		   DA7213_NO_INVERT),
513 
514 	/* DAC Routing & Inversion */
515 	SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
516 		   DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
517 		   DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
518 	SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
519 		   DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
520 		   DA7213_NO_INVERT),
521 
522 	/* DMIC controls */
523 	SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
524 		     DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
525 		     DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
526 
527 	/* ALC Controls */
528 	SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
529 		       DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
530 		       DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
531 	SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
532 	SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
533 	SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
534 	/*
535 	 * Rate at which input signal envelope is tracked as the signal gets
536 	 * larger
537 	 */
538 	SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
539 	/*
540 	 * Rate at which input signal envelope is tracked as the signal gets
541 	 * smaller
542 	 */
543 	SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
544 	SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
545 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
546 		       DA7213_INVERT, alc_threshold_tlv),
547 	SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
548 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
549 		       DA7213_INVERT, alc_threshold_tlv),
550 	SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
551 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
552 		       DA7213_INVERT, alc_threshold_tlv),
553 	SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
554 		       DA7213_ALC_ATTEN_MAX_SHIFT,
555 		       DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
556 		       alc_gain_tlv),
557 	SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
558 		       DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
559 		       DA7213_NO_INVERT, alc_gain_tlv),
560 	SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
561 		       DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
562 		       DA7213_NO_INVERT, alc_analog_gain_tlv),
563 	SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
564 		       DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
565 		       DA7213_NO_INVERT, alc_analog_gain_tlv),
566 	SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
567 		   DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
568 		   DA7213_NO_INVERT),
569 	SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
570 		   DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
571 		   DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
572 };
573 
574 
575 /*
576  * DAPM
577  */
578 
579 /*
580  * Enums
581  */
582 
583 /* MIC PGA source select */
584 static const char * const da7213_mic_amp_in_sel_txt[] = {
585 	"Differential", "MIC_P", "MIC_N"
586 };
587 
588 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
589 			    DA7213_MIC_1_CTRL,
590 			    DA7213_MIC_AMP_IN_SEL_SHIFT,
591 			    da7213_mic_amp_in_sel_txt);
592 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
593 	SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
594 
595 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
596 			    DA7213_MIC_2_CTRL,
597 			    DA7213_MIC_AMP_IN_SEL_SHIFT,
598 			    da7213_mic_amp_in_sel_txt);
599 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
600 	SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
601 
602 /* DAI routing select */
603 static const char * const da7213_dai_src_txt[] = {
604 	"ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
605 };
606 
607 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
608 			    DA7213_DIG_ROUTING_DAI,
609 			    DA7213_DAI_L_SRC_SHIFT,
610 			    da7213_dai_src_txt);
611 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
612 	SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
613 
614 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
615 			    DA7213_DIG_ROUTING_DAI,
616 			    DA7213_DAI_R_SRC_SHIFT,
617 			    da7213_dai_src_txt);
618 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
619 	SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
620 
621 /* DAC routing select */
622 static const char * const da7213_dac_src_txt[] = {
623 	"ADC Output Left", "ADC Output Right", "DAI Input Left",
624 	"DAI Input Right"
625 };
626 
627 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
628 			    DA7213_DIG_ROUTING_DAC,
629 			    DA7213_DAC_L_SRC_SHIFT,
630 			    da7213_dac_src_txt);
631 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
632 	SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
633 
634 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
635 			    DA7213_DIG_ROUTING_DAC,
636 			    DA7213_DAC_R_SRC_SHIFT,
637 			    da7213_dac_src_txt);
638 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
639 	SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
640 
641 /*
642  * Mixer Controls
643  */
644 
645 /* Mixin Left */
646 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
647 	SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
648 			DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
649 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
650 	SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
651 			DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
652 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
653 	SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
654 			DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
655 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
656 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
657 			DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
658 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
659 };
660 
661 /* Mixin Right */
662 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
663 	SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
664 			DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
665 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
666 	SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
667 			DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
668 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
669 	SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
670 			DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
671 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
672 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
673 			DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
674 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
675 };
676 
677 /* Mixout Left */
678 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
679 	SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
680 			DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
681 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
682 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
683 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
684 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
685 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
686 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
687 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
688 	SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
689 			DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
690 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
691 	SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
692 			DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
693 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
694 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
695 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
696 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
697 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
698 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
699 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
700 };
701 
702 /* Mixout Right */
703 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
704 	SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
705 			DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
706 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
707 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
708 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
709 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
710 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
711 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
712 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
713 	SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
714 			DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
715 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
716 	SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
717 			DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
718 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
719 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
720 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
721 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
722 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
723 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
724 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
725 };
726 
727 
728 /*
729  * DAPM widgets
730  */
731 
732 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
733 	/*
734 	 * Input & Output
735 	 */
736 
737 	/* Use a supply here as this controls both input & output DAIs */
738 	SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
739 			    DA7213_NO_INVERT, NULL, 0),
740 
741 	/*
742 	 * Input
743 	 */
744 
745 	/* Input Lines */
746 	SND_SOC_DAPM_INPUT("MIC1"),
747 	SND_SOC_DAPM_INPUT("MIC2"),
748 	SND_SOC_DAPM_INPUT("AUXL"),
749 	SND_SOC_DAPM_INPUT("AUXR"),
750 
751 	/* MUXs for Mic PGA source selection */
752 	SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
753 			 &da7213_mic_1_amp_in_sel_mux),
754 	SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
755 			 &da7213_mic_2_amp_in_sel_mux),
756 
757 	/* Input PGAs */
758 	SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
759 			 DA7213_NO_INVERT, NULL, 0),
760 	SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
761 			 DA7213_NO_INVERT, NULL, 0),
762 	SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
763 			 DA7213_NO_INVERT, NULL, 0),
764 	SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
765 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
766 	SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
767 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
768 	SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
769 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
770 
771 	/* Mic Biases */
772 	SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
773 			    DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
774 			    NULL, 0),
775 	SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
776 			    DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
777 			    NULL, 0),
778 
779 	/* Input Mixers */
780 	SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
781 			   &da7213_dapm_mixinl_controls[0],
782 			   ARRAY_SIZE(da7213_dapm_mixinl_controls)),
783 	SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
784 			   &da7213_dapm_mixinr_controls[0],
785 			   ARRAY_SIZE(da7213_dapm_mixinr_controls)),
786 
787 	/* ADCs */
788 	SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
789 			 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
790 	SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
791 			 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
792 
793 	/* DAI */
794 	SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
795 			 &da7213_dai_l_src_mux),
796 	SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
797 			 &da7213_dai_r_src_mux),
798 	SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
799 	SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
800 
801 	/*
802 	 * Output
803 	 */
804 
805 	/* DAI */
806 	SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
807 	SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
808 	SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
809 			 &da7213_dac_l_src_mux),
810 	SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
811 			 &da7213_dac_r_src_mux),
812 
813 	/* DACs */
814 	SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
815 			 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
816 	SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
817 			 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
818 
819 	/* Output Mixers */
820 	SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
821 			   &da7213_dapm_mixoutl_controls[0],
822 			   ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
823 	SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
824 			   &da7213_dapm_mixoutr_controls[0],
825 			   ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
826 
827 	/* Output PGAs */
828 	SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
829 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
830 	SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
831 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
832 	SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
833 			 DA7213_NO_INVERT, NULL, 0),
834 	SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
835 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
836 	SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
837 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
838 
839 	/* Charge Pump */
840 	SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
841 			    DA7213_NO_INVERT, NULL, 0),
842 
843 	/* Output Lines */
844 	SND_SOC_DAPM_OUTPUT("HPL"),
845 	SND_SOC_DAPM_OUTPUT("HPR"),
846 	SND_SOC_DAPM_OUTPUT("LINE"),
847 };
848 
849 
850 /*
851  * DAPM audio route definition
852  */
853 
854 static const struct snd_soc_dapm_route da7213_audio_map[] = {
855 	/* Dest       Connecting Widget    source */
856 
857 	/* Input path */
858 	{"MIC1", NULL, "Mic Bias 1"},
859 	{"MIC2", NULL, "Mic Bias 2"},
860 
861 	{"Mic 1 Amp Source MUX", "Differential", "MIC1"},
862 	{"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
863 	{"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
864 
865 	{"Mic 2 Amp Source MUX", "Differential", "MIC2"},
866 	{"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
867 	{"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
868 
869 	{"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
870 	{"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
871 
872 	{"Aux Left PGA", NULL, "AUXL"},
873 	{"Aux Right PGA", NULL, "AUXR"},
874 
875 	{"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
876 	{"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
877 	{"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
878 	{"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
879 
880 	{"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
881 	{"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
882 	{"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
883 	{"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
884 
885 	{"Mixin Left PGA", NULL, "Mixin Left"},
886 	{"ADC Left", NULL, "Mixin Left PGA"},
887 
888 	{"Mixin Right PGA", NULL, "Mixin Right"},
889 	{"ADC Right", NULL, "Mixin Right PGA"},
890 
891 	{"DAI Left Source MUX", "ADC Left", "ADC Left"},
892 	{"DAI Left Source MUX", "ADC Right", "ADC Right"},
893 	{"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
894 	{"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
895 
896 	{"DAI Right Source MUX", "ADC Left", "ADC Left"},
897 	{"DAI Right Source MUX", "ADC Right", "ADC Right"},
898 	{"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
899 	{"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
900 
901 	{"DAIOUTL", NULL, "DAI Left Source MUX"},
902 	{"DAIOUTR", NULL, "DAI Right Source MUX"},
903 
904 	{"DAIOUTL", NULL, "DAI"},
905 	{"DAIOUTR", NULL, "DAI"},
906 
907 	/* Output path */
908 	{"DAIINL", NULL, "DAI"},
909 	{"DAIINR", NULL, "DAI"},
910 
911 	{"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
912 	{"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
913 	{"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
914 	{"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
915 
916 	{"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
917 	{"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
918 	{"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
919 	{"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
920 
921 	{"DAC Left", NULL, "DAC Left Source MUX"},
922 	{"DAC Right", NULL, "DAC Right Source MUX"},
923 
924 	{"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
925 	{"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
926 	{"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
927 	{"Mixout Left", "DAC Left Switch", "DAC Left"},
928 	{"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
929 	{"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
930 	{"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
931 
932 	{"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
933 	{"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
934 	{"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
935 	{"Mixout Right", "DAC Right Switch", "DAC Right"},
936 	{"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
937 	{"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
938 	{"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
939 
940 	{"Mixout Left PGA", NULL, "Mixout Left"},
941 	{"Mixout Right PGA", NULL, "Mixout Right"},
942 
943 	{"Headphone Left PGA", NULL, "Mixout Left PGA"},
944 	{"Headphone Left PGA", NULL, "Charge Pump"},
945 	{"HPL", NULL, "Headphone Left PGA"},
946 
947 	{"Headphone Right PGA", NULL, "Mixout Right PGA"},
948 	{"Headphone Right PGA", NULL, "Charge Pump"},
949 	{"HPR", NULL, "Headphone Right PGA"},
950 
951 	{"Lineout PGA", NULL, "Mixout Right PGA"},
952 	{"LINE", NULL, "Lineout PGA"},
953 };
954 
955 static const struct reg_default da7213_reg_defaults[] = {
956 	{ DA7213_DIG_ROUTING_DAI, 0x10 },
957 	{ DA7213_SR, 0x0A },
958 	{ DA7213_REFERENCES, 0x80 },
959 	{ DA7213_PLL_FRAC_TOP, 0x00 },
960 	{ DA7213_PLL_FRAC_BOT, 0x00 },
961 	{ DA7213_PLL_INTEGER, 0x20 },
962 	{ DA7213_PLL_CTRL, 0x0C },
963 	{ DA7213_DAI_CLK_MODE, 0x01 },
964 	{ DA7213_DAI_CTRL, 0x08 },
965 	{ DA7213_DIG_ROUTING_DAC, 0x32 },
966 	{ DA7213_AUX_L_GAIN, 0x35 },
967 	{ DA7213_AUX_R_GAIN, 0x35 },
968 	{ DA7213_MIXIN_L_SELECT, 0x00 },
969 	{ DA7213_MIXIN_R_SELECT, 0x00 },
970 	{ DA7213_MIXIN_L_GAIN, 0x03 },
971 	{ DA7213_MIXIN_R_GAIN, 0x03 },
972 	{ DA7213_ADC_L_GAIN, 0x6F },
973 	{ DA7213_ADC_R_GAIN, 0x6F },
974 	{ DA7213_ADC_FILTERS1, 0x80 },
975 	{ DA7213_MIC_1_GAIN, 0x01 },
976 	{ DA7213_MIC_2_GAIN, 0x01 },
977 	{ DA7213_DAC_FILTERS5, 0x00 },
978 	{ DA7213_DAC_FILTERS2, 0x88 },
979 	{ DA7213_DAC_FILTERS3, 0x88 },
980 	{ DA7213_DAC_FILTERS4, 0x08 },
981 	{ DA7213_DAC_FILTERS1, 0x80 },
982 	{ DA7213_DAC_L_GAIN, 0x6F },
983 	{ DA7213_DAC_R_GAIN, 0x6F },
984 	{ DA7213_CP_CTRL, 0x61 },
985 	{ DA7213_HP_L_GAIN, 0x39 },
986 	{ DA7213_HP_R_GAIN, 0x39 },
987 	{ DA7213_LINE_GAIN, 0x30 },
988 	{ DA7213_MIXOUT_L_SELECT, 0x00 },
989 	{ DA7213_MIXOUT_R_SELECT, 0x00 },
990 	{ DA7213_SYSTEM_MODES_INPUT, 0x00 },
991 	{ DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
992 	{ DA7213_AUX_L_CTRL, 0x44 },
993 	{ DA7213_AUX_R_CTRL, 0x44 },
994 	{ DA7213_MICBIAS_CTRL, 0x11 },
995 	{ DA7213_MIC_1_CTRL, 0x40 },
996 	{ DA7213_MIC_2_CTRL, 0x40 },
997 	{ DA7213_MIXIN_L_CTRL, 0x40 },
998 	{ DA7213_MIXIN_R_CTRL, 0x40 },
999 	{ DA7213_ADC_L_CTRL, 0x40 },
1000 	{ DA7213_ADC_R_CTRL, 0x40 },
1001 	{ DA7213_DAC_L_CTRL, 0x48 },
1002 	{ DA7213_DAC_R_CTRL, 0x40 },
1003 	{ DA7213_HP_L_CTRL, 0x41 },
1004 	{ DA7213_HP_R_CTRL, 0x40 },
1005 	{ DA7213_LINE_CTRL, 0x40 },
1006 	{ DA7213_MIXOUT_L_CTRL, 0x10 },
1007 	{ DA7213_MIXOUT_R_CTRL, 0x10 },
1008 	{ DA7213_LDO_CTRL, 0x00 },
1009 	{ DA7213_IO_CTRL, 0x00 },
1010 	{ DA7213_GAIN_RAMP_CTRL, 0x00},
1011 	{ DA7213_MIC_CONFIG, 0x00 },
1012 	{ DA7213_PC_COUNT, 0x00 },
1013 	{ DA7213_CP_VOL_THRESHOLD1, 0x32 },
1014 	{ DA7213_CP_DELAY, 0x95 },
1015 	{ DA7213_CP_DETECTOR, 0x00 },
1016 	{ DA7213_DAI_OFFSET, 0x00 },
1017 	{ DA7213_DIG_CTRL, 0x00 },
1018 	{ DA7213_ALC_CTRL2, 0x00 },
1019 	{ DA7213_ALC_CTRL3, 0x00 },
1020 	{ DA7213_ALC_NOISE, 0x3F },
1021 	{ DA7213_ALC_TARGET_MIN, 0x3F },
1022 	{ DA7213_ALC_TARGET_MAX, 0x00 },
1023 	{ DA7213_ALC_GAIN_LIMITS, 0xFF },
1024 	{ DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1025 	{ DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1026 	{ DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1027 	{ DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1028 	{ DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1029 	{ DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1030 	{ DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1031 	{ DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1032 	{ DA7213_DAC_NG_SETUP_TIME, 0x00 },
1033 	{ DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1034 	{ DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1035 	{ DA7213_DAC_NG_CTRL, 0x00 },
1036 };
1037 
1038 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1039 {
1040 	switch (reg) {
1041 	case DA7213_STATUS1:
1042 	case DA7213_PLL_STATUS:
1043 	case DA7213_AUX_L_GAIN_STATUS:
1044 	case DA7213_AUX_R_GAIN_STATUS:
1045 	case DA7213_MIC_1_GAIN_STATUS:
1046 	case DA7213_MIC_2_GAIN_STATUS:
1047 	case DA7213_MIXIN_L_GAIN_STATUS:
1048 	case DA7213_MIXIN_R_GAIN_STATUS:
1049 	case DA7213_ADC_L_GAIN_STATUS:
1050 	case DA7213_ADC_R_GAIN_STATUS:
1051 	case DA7213_DAC_L_GAIN_STATUS:
1052 	case DA7213_DAC_R_GAIN_STATUS:
1053 	case DA7213_HP_L_GAIN_STATUS:
1054 	case DA7213_HP_R_GAIN_STATUS:
1055 	case DA7213_LINE_GAIN_STATUS:
1056 	case DA7213_ALC_CTRL1:
1057 	case DA7213_ALC_OFFSET_AUTO_M_L:
1058 	case DA7213_ALC_OFFSET_AUTO_U_L:
1059 	case DA7213_ALC_OFFSET_AUTO_M_R:
1060 	case DA7213_ALC_OFFSET_AUTO_U_R:
1061 	case DA7213_ALC_CIC_OP_LVL_DATA:
1062 		return 1;
1063 	default:
1064 		return 0;
1065 	}
1066 }
1067 
1068 static int da7213_hw_params(struct snd_pcm_substream *substream,
1069 			    struct snd_pcm_hw_params *params,
1070 			    struct snd_soc_dai *dai)
1071 {
1072 	struct snd_soc_codec *codec = dai->codec;
1073 	u8 dai_ctrl = 0;
1074 	u8 fs;
1075 
1076 	/* Set DAI format */
1077 	switch (params_width(params)) {
1078 	case 16:
1079 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1080 		break;
1081 	case 20:
1082 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1083 		break;
1084 	case 24:
1085 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1086 		break;
1087 	case 32:
1088 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1089 		break;
1090 	default:
1091 		return -EINVAL;
1092 	}
1093 
1094 	/* Set sampling rate */
1095 	switch (params_rate(params)) {
1096 	case 8000:
1097 		fs = DA7213_SR_8000;
1098 		break;
1099 	case 11025:
1100 		fs = DA7213_SR_11025;
1101 		break;
1102 	case 12000:
1103 		fs = DA7213_SR_12000;
1104 		break;
1105 	case 16000:
1106 		fs = DA7213_SR_16000;
1107 		break;
1108 	case 22050:
1109 		fs = DA7213_SR_22050;
1110 		break;
1111 	case 32000:
1112 		fs = DA7213_SR_32000;
1113 		break;
1114 	case 44100:
1115 		fs = DA7213_SR_44100;
1116 		break;
1117 	case 48000:
1118 		fs = DA7213_SR_48000;
1119 		break;
1120 	case 88200:
1121 		fs = DA7213_SR_88200;
1122 		break;
1123 	case 96000:
1124 		fs = DA7213_SR_96000;
1125 		break;
1126 	default:
1127 		return -EINVAL;
1128 	}
1129 
1130 	snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
1131 			    dai_ctrl);
1132 	snd_soc_write(codec, DA7213_SR, fs);
1133 
1134 	return 0;
1135 }
1136 
1137 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1138 {
1139 	struct snd_soc_codec *codec = codec_dai->codec;
1140 	struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1141 	u8 dai_clk_mode = 0, dai_ctrl = 0;
1142 
1143 	/* Set master/slave mode */
1144 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1145 	case SND_SOC_DAIFMT_CBM_CFM:
1146 		dai_clk_mode |= DA7213_DAI_CLK_EN_MASTER_MODE;
1147 		da7213->master = true;
1148 		break;
1149 	case SND_SOC_DAIFMT_CBS_CFS:
1150 		dai_clk_mode |= DA7213_DAI_CLK_EN_SLAVE_MODE;
1151 		da7213->master = false;
1152 		break;
1153 	default:
1154 		return -EINVAL;
1155 	}
1156 
1157 	/* Set clock normal/inverted */
1158 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1159 	case SND_SOC_DAIFMT_NB_NF:
1160 		break;
1161 	case SND_SOC_DAIFMT_NB_IF:
1162 		dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1163 		break;
1164 	case SND_SOC_DAIFMT_IB_NF:
1165 		dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1166 		break;
1167 	case SND_SOC_DAIFMT_IB_IF:
1168 		dai_clk_mode |= DA7213_DAI_WCLK_POL_INV | DA7213_DAI_CLK_POL_INV;
1169 		break;
1170 	default:
1171 		return -EINVAL;
1172 	}
1173 
1174 	/* Only I2S is supported */
1175 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1176 	case SND_SOC_DAIFMT_I2S:
1177 		dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1178 		break;
1179 	case SND_SOC_DAIFMT_LEFT_J:
1180 		dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1181 		break;
1182 	case SND_SOC_DAIFMT_RIGHT_J:
1183 		dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1184 		break;
1185 	default:
1186 		return -EINVAL;
1187 	}
1188 
1189 	/* By default only 32 BCLK per WCLK is supported */
1190 	dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_32;
1191 
1192 	snd_soc_write(codec, DA7213_DAI_CLK_MODE, dai_clk_mode);
1193 	snd_soc_update_bits(codec, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1194 			    dai_ctrl);
1195 
1196 	return 0;
1197 }
1198 
1199 static int da7213_mute(struct snd_soc_dai *dai, int mute)
1200 {
1201 	struct snd_soc_codec *codec = dai->codec;
1202 
1203 	if (mute) {
1204 		snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1205 				    DA7213_MUTE_EN, DA7213_MUTE_EN);
1206 		snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1207 				    DA7213_MUTE_EN, DA7213_MUTE_EN);
1208 	} else {
1209 		snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1210 				    DA7213_MUTE_EN, 0);
1211 		snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1212 				    DA7213_MUTE_EN, 0);
1213 	}
1214 
1215 	return 0;
1216 }
1217 
1218 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1219 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1220 
1221 static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1222 				 int clk_id, unsigned int freq, int dir)
1223 {
1224 	struct snd_soc_codec *codec = codec_dai->codec;
1225 	struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1226 	int ret = 0;
1227 
1228 	if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1229 		return 0;
1230 
1231 	if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1232 		dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1233 			freq);
1234 		return -EINVAL;
1235 	}
1236 
1237 	switch (clk_id) {
1238 	case DA7213_CLKSRC_MCLK:
1239 		da7213->mclk_squarer_en = false;
1240 		break;
1241 	case DA7213_CLKSRC_MCLK_SQR:
1242 		da7213->mclk_squarer_en = true;
1243 		break;
1244 	default:
1245 		dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1246 		return -EINVAL;
1247 	}
1248 
1249 	da7213->clk_src = clk_id;
1250 
1251 	if (da7213->mclk) {
1252 		freq = clk_round_rate(da7213->mclk, freq);
1253 		ret = clk_set_rate(da7213->mclk, freq);
1254 		if (ret) {
1255 			dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1256 				freq);
1257 			return ret;
1258 		}
1259 	}
1260 
1261 	da7213->mclk_rate = freq;
1262 
1263 	return 0;
1264 }
1265 
1266 /* Supported PLL input frequencies are 5MHz - 54MHz. */
1267 static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1268 			      int source, unsigned int fref, unsigned int fout)
1269 {
1270 	struct snd_soc_codec *codec = codec_dai->codec;
1271 	struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1272 
1273 	u8 pll_ctrl, indiv_bits, indiv;
1274 	u8 pll_frac_top, pll_frac_bot, pll_integer;
1275 	u32 freq_ref;
1276 	u64 frac_div;
1277 
1278 	/* Reset PLL configuration */
1279 	snd_soc_write(codec, DA7213_PLL_CTRL, 0);
1280 
1281 	pll_ctrl = 0;
1282 
1283 	/* Workout input divider based on MCLK rate */
1284 	if ((da7213->mclk_rate == 32768) && (source == DA7213_SYSCLK_PLL)) {
1285 		/* 32KHz PLL Mode */
1286 		indiv_bits = DA7213_PLL_INDIV_10_20_MHZ;
1287 		indiv = DA7213_PLL_INDIV_10_20_MHZ_VAL;
1288 		freq_ref = 3750000;
1289 		pll_ctrl |= DA7213_PLL_32K_MODE;
1290 	} else {
1291 		/* 5 - 54MHz MCLK */
1292 		if (da7213->mclk_rate < 5000000) {
1293 			goto pll_err;
1294 		} else if (da7213->mclk_rate <= 10000000) {
1295 			indiv_bits = DA7213_PLL_INDIV_5_10_MHZ;
1296 			indiv = DA7213_PLL_INDIV_5_10_MHZ_VAL;
1297 		} else if (da7213->mclk_rate <= 20000000) {
1298 			indiv_bits = DA7213_PLL_INDIV_10_20_MHZ;
1299 			indiv = DA7213_PLL_INDIV_10_20_MHZ_VAL;
1300 		} else if (da7213->mclk_rate <= 40000000) {
1301 			indiv_bits = DA7213_PLL_INDIV_20_40_MHZ;
1302 			indiv = DA7213_PLL_INDIV_20_40_MHZ_VAL;
1303 		} else if (da7213->mclk_rate <= 54000000) {
1304 			indiv_bits = DA7213_PLL_INDIV_40_54_MHZ;
1305 			indiv = DA7213_PLL_INDIV_40_54_MHZ_VAL;
1306 		} else {
1307 			goto pll_err;
1308 		}
1309 		freq_ref = (da7213->mclk_rate / indiv);
1310 	}
1311 
1312 	pll_ctrl |= indiv_bits;
1313 
1314 	/* PLL Bypass mode */
1315 	if (source == DA7213_SYSCLK_MCLK) {
1316 		snd_soc_write(codec, DA7213_PLL_CTRL, pll_ctrl);
1317 		return 0;
1318 	}
1319 
1320 	/*
1321 	 * If Codec is slave and SRM enabled,
1322 	 * freq_out is (98304000 + 90316800)/2 = 94310400
1323 	 */
1324 	if (!da7213->master && da7213->srm_en) {
1325 		fout = DA7213_PLL_FREQ_OUT_94310400;
1326 		pll_ctrl |= DA7213_PLL_SRM_EN;
1327 	}
1328 
1329 	/* Enable MCLK squarer if required */
1330 	if (da7213->mclk_squarer_en)
1331 		pll_ctrl |= DA7213_PLL_MCLK_SQR_EN;
1332 
1333 	/* Calculate dividers for PLL */
1334 	pll_integer = fout / freq_ref;
1335 	frac_div = (u64)(fout % freq_ref) * 8192ULL;
1336 	do_div(frac_div, freq_ref);
1337 	pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1338 	pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1339 
1340 	/* Write PLL dividers */
1341 	snd_soc_write(codec, DA7213_PLL_FRAC_TOP, pll_frac_top);
1342 	snd_soc_write(codec, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1343 	snd_soc_write(codec, DA7213_PLL_INTEGER, pll_integer);
1344 
1345 	/* Enable PLL */
1346 	pll_ctrl |= DA7213_PLL_EN;
1347 	snd_soc_write(codec, DA7213_PLL_CTRL, pll_ctrl);
1348 
1349 	return 0;
1350 
1351 pll_err:
1352 	dev_err(codec_dai->dev, "Unsupported PLL input frequency %d\n",
1353 		da7213->mclk_rate);
1354 	return -EINVAL;
1355 }
1356 
1357 /* DAI operations */
1358 static const struct snd_soc_dai_ops da7213_dai_ops = {
1359 	.hw_params	= da7213_hw_params,
1360 	.set_fmt	= da7213_set_dai_fmt,
1361 	.set_sysclk	= da7213_set_dai_sysclk,
1362 	.set_pll	= da7213_set_dai_pll,
1363 	.digital_mute	= da7213_mute,
1364 };
1365 
1366 static struct snd_soc_dai_driver da7213_dai = {
1367 	.name = "da7213-hifi",
1368 	/* Playback Capabilities */
1369 	.playback = {
1370 		.stream_name = "Playback",
1371 		.channels_min = 1,
1372 		.channels_max = 2,
1373 		.rates = SNDRV_PCM_RATE_8000_96000,
1374 		.formats = DA7213_FORMATS,
1375 	},
1376 	/* Capture Capabilities */
1377 	.capture = {
1378 		.stream_name = "Capture",
1379 		.channels_min = 1,
1380 		.channels_max = 2,
1381 		.rates = SNDRV_PCM_RATE_8000_96000,
1382 		.formats = DA7213_FORMATS,
1383 	},
1384 	.ops = &da7213_dai_ops,
1385 	.symmetric_rates = 1,
1386 };
1387 
1388 static int da7213_set_bias_level(struct snd_soc_codec *codec,
1389 				 enum snd_soc_bias_level level)
1390 {
1391 	struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1392 	int ret;
1393 
1394 	switch (level) {
1395 	case SND_SOC_BIAS_ON:
1396 	case SND_SOC_BIAS_PREPARE:
1397 		break;
1398 	case SND_SOC_BIAS_STANDBY:
1399 		if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1400 			/* MCLK */
1401 			if (da7213->mclk) {
1402 				ret = clk_prepare_enable(da7213->mclk);
1403 				if (ret) {
1404 					dev_err(codec->dev,
1405 						"Failed to enable mclk\n");
1406 					return ret;
1407 				}
1408 			}
1409 
1410 			/* Enable VMID reference & master bias */
1411 			snd_soc_update_bits(codec, DA7213_REFERENCES,
1412 					    DA7213_VMID_EN | DA7213_BIAS_EN,
1413 					    DA7213_VMID_EN | DA7213_BIAS_EN);
1414 		}
1415 		break;
1416 	case SND_SOC_BIAS_OFF:
1417 		/* Disable VMID reference & master bias */
1418 		snd_soc_update_bits(codec, DA7213_REFERENCES,
1419 				    DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1420 
1421 		/* MCLK */
1422 		if (da7213->mclk)
1423 			clk_disable_unprepare(da7213->mclk);
1424 		break;
1425 	}
1426 	return 0;
1427 }
1428 
1429 /* DT */
1430 static const struct of_device_id da7213_of_match[] = {
1431 	{ .compatible = "dlg,da7213", },
1432 	{ }
1433 };
1434 MODULE_DEVICE_TABLE(of, da7213_of_match);
1435 
1436 static enum da7213_micbias_voltage
1437 	da7213_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
1438 {
1439 	switch (val) {
1440 	case 1600:
1441 		return DA7213_MICBIAS_1_6V;
1442 	case 2200:
1443 		return DA7213_MICBIAS_2_2V;
1444 	case 2500:
1445 		return DA7213_MICBIAS_2_5V;
1446 	case 3000:
1447 		return DA7213_MICBIAS_3_0V;
1448 	default:
1449 		dev_warn(codec->dev, "Invalid micbias level\n");
1450 		return DA7213_MICBIAS_2_2V;
1451 	}
1452 }
1453 
1454 static enum da7213_dmic_data_sel
1455 	da7213_of_dmic_data_sel(struct snd_soc_codec *codec, const char *str)
1456 {
1457 	if (!strcmp(str, "lrise_rfall")) {
1458 		return DA7213_DMIC_DATA_LRISE_RFALL;
1459 	} else if (!strcmp(str, "lfall_rrise")) {
1460 		return DA7213_DMIC_DATA_LFALL_RRISE;
1461 	} else {
1462 		dev_warn(codec->dev, "Invalid DMIC data select type\n");
1463 		return DA7213_DMIC_DATA_LRISE_RFALL;
1464 	}
1465 }
1466 
1467 static enum da7213_dmic_samplephase
1468 	da7213_of_dmic_samplephase(struct snd_soc_codec *codec, const char *str)
1469 {
1470 	if (!strcmp(str, "on_clkedge")) {
1471 		return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1472 	} else if (!strcmp(str, "between_clkedge")) {
1473 		return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1474 	} else {
1475 		dev_warn(codec->dev, "Invalid DMIC sample phase\n");
1476 		return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1477 	}
1478 }
1479 
1480 static enum da7213_dmic_clk_rate
1481 	da7213_of_dmic_clkrate(struct snd_soc_codec *codec, u32 val)
1482 {
1483 	switch (val) {
1484 	case 1500000:
1485 		return DA7213_DMIC_CLK_1_5MHZ;
1486 	case 3000000:
1487 		return DA7213_DMIC_CLK_3_0MHZ;
1488 	default:
1489 		dev_warn(codec->dev, "Invalid DMIC clock rate\n");
1490 		return DA7213_DMIC_CLK_1_5MHZ;
1491 	}
1492 }
1493 
1494 static struct da7213_platform_data
1495 	*da7213_of_to_pdata(struct snd_soc_codec *codec)
1496 {
1497 	struct device_node *np = codec->dev->of_node;
1498 	struct da7213_platform_data *pdata;
1499 	const char *of_str;
1500 	u32 of_val32;
1501 
1502 	pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
1503 	if (!pdata) {
1504 		dev_warn(codec->dev, "Failed to allocate memory for pdata\n");
1505 		return NULL;
1506 	}
1507 
1508 	if (of_property_read_u32(np, "dlg,micbias1-lvl", &of_val32) >= 0)
1509 		pdata->micbias1_lvl = da7213_of_micbias_lvl(codec, of_val32);
1510 	else
1511 		pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1512 
1513 	if (of_property_read_u32(np, "dlg,micbias2-lvl", &of_val32) >= 0)
1514 		pdata->micbias2_lvl = da7213_of_micbias_lvl(codec, of_val32);
1515 	else
1516 		pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1517 
1518 	if (!of_property_read_string(np, "dlg,dmic-data-sel", &of_str))
1519 		pdata->dmic_data_sel = da7213_of_dmic_data_sel(codec, of_str);
1520 	else
1521 		pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1522 
1523 	if (!of_property_read_string(np, "dlg,dmic-samplephase", &of_str))
1524 		pdata->dmic_samplephase =
1525 			da7213_of_dmic_samplephase(codec, of_str);
1526 	else
1527 		pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1528 
1529 	if (of_property_read_u32(np, "dlg,dmic-clkrate", &of_val32) >= 0)
1530 		pdata->dmic_clk_rate = da7213_of_dmic_clkrate(codec, of_val32);
1531 	else
1532 		pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1533 
1534 	return pdata;
1535 }
1536 
1537 
1538 static int da7213_probe(struct snd_soc_codec *codec)
1539 {
1540 	struct da7213_priv *da7213 = snd_soc_codec_get_drvdata(codec);
1541 
1542 	/* Default to using ALC auto offset calibration mode. */
1543 	snd_soc_update_bits(codec, DA7213_ALC_CTRL1,
1544 			    DA7213_ALC_CALIB_MODE_MAN, 0);
1545 	da7213->alc_calib_auto = true;
1546 
1547 	/* Default to using SRM for slave mode */
1548 	da7213->srm_en = true;
1549 
1550 	/* Enable all Gain Ramps */
1551 	snd_soc_update_bits(codec, DA7213_AUX_L_CTRL,
1552 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1553 	snd_soc_update_bits(codec, DA7213_AUX_R_CTRL,
1554 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1555 	snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1556 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1557 	snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1558 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1559 	snd_soc_update_bits(codec, DA7213_ADC_L_CTRL,
1560 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1561 	snd_soc_update_bits(codec, DA7213_ADC_R_CTRL,
1562 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1563 	snd_soc_update_bits(codec, DA7213_DAC_L_CTRL,
1564 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1565 	snd_soc_update_bits(codec, DA7213_DAC_R_CTRL,
1566 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1567 	snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1568 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1569 	snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1570 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1571 	snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1572 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1573 
1574 	/*
1575 	 * There are two separate control bits for input and output mixers as
1576 	 * well as headphone and line outs.
1577 	 * One to enable corresponding amplifier and other to enable its
1578 	 * output. As amplifier bits are related to power control, they are
1579 	 * being managed by DAPM while other (non power related) bits are
1580 	 * enabled here
1581 	 */
1582 	snd_soc_update_bits(codec, DA7213_MIXIN_L_CTRL,
1583 			    DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1584 	snd_soc_update_bits(codec, DA7213_MIXIN_R_CTRL,
1585 			    DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1586 
1587 	snd_soc_update_bits(codec, DA7213_MIXOUT_L_CTRL,
1588 			    DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1589 	snd_soc_update_bits(codec, DA7213_MIXOUT_R_CTRL,
1590 			    DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1591 
1592 	snd_soc_update_bits(codec, DA7213_HP_L_CTRL,
1593 			    DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1594 	snd_soc_update_bits(codec, DA7213_HP_R_CTRL,
1595 			    DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1596 
1597 	snd_soc_update_bits(codec, DA7213_LINE_CTRL,
1598 			    DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
1599 
1600 	/* Handle DT/Platform data */
1601 	if (codec->dev->of_node)
1602 		da7213->pdata = da7213_of_to_pdata(codec);
1603 	else
1604 		da7213->pdata = dev_get_platdata(codec->dev);
1605 
1606 	/* Set platform data values */
1607 	if (da7213->pdata) {
1608 		struct da7213_platform_data *pdata = da7213->pdata;
1609 		u8 micbias_lvl = 0, dmic_cfg = 0;
1610 
1611 		/* Set Mic Bias voltages */
1612 		switch (pdata->micbias1_lvl) {
1613 		case DA7213_MICBIAS_1_6V:
1614 		case DA7213_MICBIAS_2_2V:
1615 		case DA7213_MICBIAS_2_5V:
1616 		case DA7213_MICBIAS_3_0V:
1617 			micbias_lvl |= (pdata->micbias1_lvl <<
1618 					DA7213_MICBIAS1_LEVEL_SHIFT);
1619 			break;
1620 		}
1621 		switch (pdata->micbias2_lvl) {
1622 		case DA7213_MICBIAS_1_6V:
1623 		case DA7213_MICBIAS_2_2V:
1624 		case DA7213_MICBIAS_2_5V:
1625 		case DA7213_MICBIAS_3_0V:
1626 			micbias_lvl |= (pdata->micbias2_lvl <<
1627 					 DA7213_MICBIAS2_LEVEL_SHIFT);
1628 			break;
1629 		}
1630 		snd_soc_update_bits(codec, DA7213_MICBIAS_CTRL,
1631 				    DA7213_MICBIAS1_LEVEL_MASK |
1632 				    DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
1633 
1634 		/* Set DMIC configuration */
1635 		switch (pdata->dmic_data_sel) {
1636 		case DA7213_DMIC_DATA_LFALL_RRISE:
1637 		case DA7213_DMIC_DATA_LRISE_RFALL:
1638 			dmic_cfg |= (pdata->dmic_data_sel <<
1639 				     DA7213_DMIC_DATA_SEL_SHIFT);
1640 			break;
1641 		}
1642 		switch (pdata->dmic_samplephase) {
1643 		case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
1644 		case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
1645 			dmic_cfg |= (pdata->dmic_samplephase <<
1646 				     DA7213_DMIC_SAMPLEPHASE_SHIFT);
1647 			break;
1648 		}
1649 		switch (pdata->dmic_clk_rate) {
1650 		case DA7213_DMIC_CLK_3_0MHZ:
1651 		case DA7213_DMIC_CLK_1_5MHZ:
1652 			dmic_cfg |= (pdata->dmic_clk_rate <<
1653 				     DA7213_DMIC_CLK_RATE_SHIFT);
1654 			break;
1655 		}
1656 		snd_soc_update_bits(codec, DA7213_MIC_CONFIG,
1657 				    DA7213_DMIC_DATA_SEL_MASK |
1658 				    DA7213_DMIC_SAMPLEPHASE_MASK |
1659 				    DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
1660 	}
1661 
1662 	/* Check if MCLK provided */
1663 	da7213->mclk = devm_clk_get(codec->dev, "mclk");
1664 	if (IS_ERR(da7213->mclk)) {
1665 		if (PTR_ERR(da7213->mclk) != -ENOENT)
1666 			return PTR_ERR(da7213->mclk);
1667 		else
1668 			da7213->mclk = NULL;
1669 	}
1670 
1671 	return 0;
1672 }
1673 
1674 static struct snd_soc_codec_driver soc_codec_dev_da7213 = {
1675 	.probe			= da7213_probe,
1676 	.set_bias_level		= da7213_set_bias_level,
1677 
1678 	.controls		= da7213_snd_controls,
1679 	.num_controls		= ARRAY_SIZE(da7213_snd_controls),
1680 
1681 	.dapm_widgets		= da7213_dapm_widgets,
1682 	.num_dapm_widgets	= ARRAY_SIZE(da7213_dapm_widgets),
1683 	.dapm_routes		= da7213_audio_map,
1684 	.num_dapm_routes	= ARRAY_SIZE(da7213_audio_map),
1685 };
1686 
1687 static const struct regmap_config da7213_regmap_config = {
1688 	.reg_bits = 8,
1689 	.val_bits = 8,
1690 
1691 	.reg_defaults = da7213_reg_defaults,
1692 	.num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
1693 	.volatile_reg = da7213_volatile_register,
1694 	.cache_type = REGCACHE_RBTREE,
1695 };
1696 
1697 static int da7213_i2c_probe(struct i2c_client *i2c,
1698 			    const struct i2c_device_id *id)
1699 {
1700 	struct da7213_priv *da7213;
1701 	int ret;
1702 
1703 	da7213 = devm_kzalloc(&i2c->dev, sizeof(struct da7213_priv),
1704 			      GFP_KERNEL);
1705 	if (!da7213)
1706 		return -ENOMEM;
1707 
1708 	i2c_set_clientdata(i2c, da7213);
1709 
1710 	da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
1711 	if (IS_ERR(da7213->regmap)) {
1712 		ret = PTR_ERR(da7213->regmap);
1713 		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1714 		return ret;
1715 	}
1716 
1717 	ret = snd_soc_register_codec(&i2c->dev,
1718 			&soc_codec_dev_da7213, &da7213_dai, 1);
1719 	if (ret < 0) {
1720 		dev_err(&i2c->dev, "Failed to register da7213 codec: %d\n",
1721 			ret);
1722 	}
1723 	return ret;
1724 }
1725 
1726 static int da7213_remove(struct i2c_client *client)
1727 {
1728 	snd_soc_unregister_codec(&client->dev);
1729 	return 0;
1730 }
1731 
1732 static const struct i2c_device_id da7213_i2c_id[] = {
1733 	{ "da7213", 0 },
1734 	{ }
1735 };
1736 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
1737 
1738 /* I2C codec control layer */
1739 static struct i2c_driver da7213_i2c_driver = {
1740 	.driver = {
1741 		.name = "da7213",
1742 		.of_match_table = of_match_ptr(da7213_of_match),
1743 	},
1744 	.probe		= da7213_i2c_probe,
1745 	.remove		= da7213_remove,
1746 	.id_table	= da7213_i2c_id,
1747 };
1748 
1749 module_i2c_driver(da7213_i2c_driver);
1750 
1751 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
1752 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1753 MODULE_LICENSE("GPL");
1754