xref: /linux/sound/soc/codecs/da7213.c (revision 44f57d78)
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_device.h>
13 #include <linux/property.h>
14 #include <linux/clk.h>
15 #include <linux/delay.h>
16 #include <linux/i2c.h>
17 #include <linux/regmap.h>
18 #include <linux/slab.h>
19 #include <linux/module.h>
20 #include <sound/pcm.h>
21 #include <sound/pcm_params.h>
22 #include <sound/soc.h>
23 #include <sound/initval.h>
24 #include <sound/tlv.h>
25 
26 #include <sound/da7213.h>
27 #include "da7213.h"
28 
29 
30 /* Gain and Volume */
31 static const DECLARE_TLV_DB_RANGE(aux_vol_tlv,
32 	/* -54dB */
33 	0x0, 0x11, TLV_DB_SCALE_ITEM(-5400, 0, 0),
34 	/* -52.5dB to 15dB */
35 	0x12, 0x3f, TLV_DB_SCALE_ITEM(-5250, 150, 0)
36 );
37 
38 static const DECLARE_TLV_DB_RANGE(digital_gain_tlv,
39 	0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
40 	/* -78dB to 12dB */
41 	0x08, 0x7f, TLV_DB_SCALE_ITEM(-7800, 75, 0)
42 );
43 
44 static const DECLARE_TLV_DB_RANGE(alc_analog_gain_tlv,
45 	0x0, 0x0, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
46 	/* 0dB to 36dB */
47 	0x01, 0x07, TLV_DB_SCALE_ITEM(0, 600, 0)
48 );
49 
50 static const DECLARE_TLV_DB_SCALE(mic_vol_tlv, -600, 600, 0);
51 static const DECLARE_TLV_DB_SCALE(mixin_gain_tlv, -450, 150, 0);
52 static const DECLARE_TLV_DB_SCALE(eq_gain_tlv, -1050, 150, 0);
53 static const DECLARE_TLV_DB_SCALE(hp_vol_tlv, -5700, 100, 0);
54 static const DECLARE_TLV_DB_SCALE(lineout_vol_tlv, -4800, 100, 0);
55 static const DECLARE_TLV_DB_SCALE(alc_threshold_tlv, -9450, 150, 0);
56 static const DECLARE_TLV_DB_SCALE(alc_gain_tlv, 0, 600, 0);
57 
58 /* ADC and DAC voice mode (8kHz) high pass cutoff value */
59 static const char * const da7213_voice_hpf_corner_txt[] = {
60 	"2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
61 };
62 
63 static SOC_ENUM_SINGLE_DECL(da7213_dac_voice_hpf_corner,
64 			    DA7213_DAC_FILTERS1,
65 			    DA7213_VOICE_HPF_CORNER_SHIFT,
66 			    da7213_voice_hpf_corner_txt);
67 
68 static SOC_ENUM_SINGLE_DECL(da7213_adc_voice_hpf_corner,
69 			    DA7213_ADC_FILTERS1,
70 			    DA7213_VOICE_HPF_CORNER_SHIFT,
71 			    da7213_voice_hpf_corner_txt);
72 
73 /* ADC and DAC high pass filter cutoff value */
74 static const char * const da7213_audio_hpf_corner_txt[] = {
75 	"Fs/24000", "Fs/12000", "Fs/6000", "Fs/3000"
76 };
77 
78 static SOC_ENUM_SINGLE_DECL(da7213_dac_audio_hpf_corner,
79 			    DA7213_DAC_FILTERS1
80 			    , DA7213_AUDIO_HPF_CORNER_SHIFT,
81 			    da7213_audio_hpf_corner_txt);
82 
83 static SOC_ENUM_SINGLE_DECL(da7213_adc_audio_hpf_corner,
84 			    DA7213_ADC_FILTERS1,
85 			    DA7213_AUDIO_HPF_CORNER_SHIFT,
86 			    da7213_audio_hpf_corner_txt);
87 
88 /* Gain ramping rate value */
89 static const char * const da7213_gain_ramp_rate_txt[] = {
90 	"nominal rate * 8", "nominal rate * 16", "nominal rate / 16",
91 	"nominal rate / 32"
92 };
93 
94 static SOC_ENUM_SINGLE_DECL(da7213_gain_ramp_rate,
95 			    DA7213_GAIN_RAMP_CTRL,
96 			    DA7213_GAIN_RAMP_RATE_SHIFT,
97 			    da7213_gain_ramp_rate_txt);
98 
99 /* DAC noise gate setup time value */
100 static const char * const da7213_dac_ng_setup_time_txt[] = {
101 	"256 samples", "512 samples", "1024 samples", "2048 samples"
102 };
103 
104 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_setup_time,
105 			    DA7213_DAC_NG_SETUP_TIME,
106 			    DA7213_DAC_NG_SETUP_TIME_SHIFT,
107 			    da7213_dac_ng_setup_time_txt);
108 
109 /* DAC noise gate rampup rate value */
110 static const char * const da7213_dac_ng_rampup_txt[] = {
111 	"0.02 ms/dB", "0.16 ms/dB"
112 };
113 
114 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampup_rate,
115 			    DA7213_DAC_NG_SETUP_TIME,
116 			    DA7213_DAC_NG_RAMPUP_RATE_SHIFT,
117 			    da7213_dac_ng_rampup_txt);
118 
119 /* DAC noise gate rampdown rate value */
120 static const char * const da7213_dac_ng_rampdown_txt[] = {
121 	"0.64 ms/dB", "20.48 ms/dB"
122 };
123 
124 static SOC_ENUM_SINGLE_DECL(da7213_dac_ng_rampdown_rate,
125 			    DA7213_DAC_NG_SETUP_TIME,
126 			    DA7213_DAC_NG_RAMPDN_RATE_SHIFT,
127 			    da7213_dac_ng_rampdown_txt);
128 
129 /* DAC soft mute rate value */
130 static const char * const da7213_dac_soft_mute_rate_txt[] = {
131 	"1", "2", "4", "8", "16", "32", "64"
132 };
133 
134 static SOC_ENUM_SINGLE_DECL(da7213_dac_soft_mute_rate,
135 			    DA7213_DAC_FILTERS5,
136 			    DA7213_DAC_SOFTMUTE_RATE_SHIFT,
137 			    da7213_dac_soft_mute_rate_txt);
138 
139 /* ALC Attack Rate select */
140 static const char * const da7213_alc_attack_rate_txt[] = {
141 	"44/fs", "88/fs", "176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs",
142 	"5632/fs", "11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
143 };
144 
145 static SOC_ENUM_SINGLE_DECL(da7213_alc_attack_rate,
146 			    DA7213_ALC_CTRL2,
147 			    DA7213_ALC_ATTACK_SHIFT,
148 			    da7213_alc_attack_rate_txt);
149 
150 /* ALC Release Rate select */
151 static const char * const da7213_alc_release_rate_txt[] = {
152 	"176/fs", "352/fs", "704/fs", "1408/fs", "2816/fs", "5632/fs",
153 	"11264/fs", "22528/fs", "45056/fs", "90112/fs", "180224/fs"
154 };
155 
156 static SOC_ENUM_SINGLE_DECL(da7213_alc_release_rate,
157 			    DA7213_ALC_CTRL2,
158 			    DA7213_ALC_RELEASE_SHIFT,
159 			    da7213_alc_release_rate_txt);
160 
161 /* ALC Hold Time select */
162 static const char * const da7213_alc_hold_time_txt[] = {
163 	"62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
164 	"7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
165 	"253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
166 };
167 
168 static SOC_ENUM_SINGLE_DECL(da7213_alc_hold_time,
169 			    DA7213_ALC_CTRL3,
170 			    DA7213_ALC_HOLD_SHIFT,
171 			    da7213_alc_hold_time_txt);
172 
173 /* ALC Input Signal Tracking rate select */
174 static const char * const da7213_alc_integ_rate_txt[] = {
175 	"1/4", "1/16", "1/256", "1/65536"
176 };
177 
178 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_attack_rate,
179 			    DA7213_ALC_CTRL3,
180 			    DA7213_ALC_INTEG_ATTACK_SHIFT,
181 			    da7213_alc_integ_rate_txt);
182 
183 static SOC_ENUM_SINGLE_DECL(da7213_alc_integ_release_rate,
184 			    DA7213_ALC_CTRL3,
185 			    DA7213_ALC_INTEG_RELEASE_SHIFT,
186 			    da7213_alc_integ_rate_txt);
187 
188 
189 /*
190  * Control Functions
191  */
192 
193 static int da7213_get_alc_data(struct snd_soc_component *component, u8 reg_val)
194 {
195 	int mid_data, top_data;
196 	int sum = 0;
197 	u8 iteration;
198 
199 	for (iteration = 0; iteration < DA7213_ALC_AVG_ITERATIONS;
200 	     iteration++) {
201 		/* Select the left or right channel and capture data */
202 		snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL, reg_val);
203 
204 		/* Select middle 8 bits for read back from data register */
205 		snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
206 			      reg_val | DA7213_ALC_DATA_MIDDLE);
207 		mid_data = snd_soc_component_read32(component, DA7213_ALC_CIC_OP_LVL_DATA);
208 
209 		/* Select top 8 bits for read back from data register */
210 		snd_soc_component_write(component, DA7213_ALC_CIC_OP_LVL_CTRL,
211 			      reg_val | DA7213_ALC_DATA_TOP);
212 		top_data = snd_soc_component_read32(component, DA7213_ALC_CIC_OP_LVL_DATA);
213 
214 		sum += ((mid_data << 8) | (top_data << 16));
215 	}
216 
217 	return sum / DA7213_ALC_AVG_ITERATIONS;
218 }
219 
220 static void da7213_alc_calib_man(struct snd_soc_component *component)
221 {
222 	u8 reg_val;
223 	int avg_left_data, avg_right_data, offset_l, offset_r;
224 
225 	/* Calculate average for Left and Right data */
226 	/* Left Data */
227 	avg_left_data = da7213_get_alc_data(component,
228 			DA7213_ALC_CIC_OP_CHANNEL_LEFT);
229 	/* Right Data */
230 	avg_right_data = da7213_get_alc_data(component,
231 			 DA7213_ALC_CIC_OP_CHANNEL_RIGHT);
232 
233 	/* Calculate DC offset */
234 	offset_l = -avg_left_data;
235 	offset_r = -avg_right_data;
236 
237 	reg_val = (offset_l & DA7213_ALC_OFFSET_15_8) >> 8;
238 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_L, reg_val);
239 	reg_val = (offset_l & DA7213_ALC_OFFSET_19_16) >> 16;
240 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_L, reg_val);
241 
242 	reg_val = (offset_r & DA7213_ALC_OFFSET_15_8) >> 8;
243 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_M_R, reg_val);
244 	reg_val = (offset_r & DA7213_ALC_OFFSET_19_16) >> 16;
245 	snd_soc_component_write(component, DA7213_ALC_OFFSET_MAN_U_R, reg_val);
246 
247 	/* Enable analog/digital gain mode & offset cancellation */
248 	snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
249 			    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
250 			    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
251 }
252 
253 static void da7213_alc_calib_auto(struct snd_soc_component *component)
254 {
255 	u8 alc_ctrl1;
256 
257 	/* Begin auto calibration and wait for completion */
258 	snd_soc_component_update_bits(component, DA7213_ALC_CTRL1, DA7213_ALC_AUTO_CALIB_EN,
259 			    DA7213_ALC_AUTO_CALIB_EN);
260 	do {
261 		alc_ctrl1 = snd_soc_component_read32(component, DA7213_ALC_CTRL1);
262 	} while (alc_ctrl1 & DA7213_ALC_AUTO_CALIB_EN);
263 
264 	/* If auto calibration fails, fall back to digital gain only mode */
265 	if (alc_ctrl1 & DA7213_ALC_CALIB_OVERFLOW) {
266 		dev_warn(component->dev,
267 			 "ALC auto calibration failed with overflow\n");
268 		snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
269 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
270 				    0);
271 	} else {
272 		/* Enable analog/digital gain mode & offset cancellation */
273 		snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
274 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE,
275 				    DA7213_ALC_OFFSET_EN | DA7213_ALC_SYNC_MODE);
276 	}
277 
278 }
279 
280 static void da7213_alc_calib(struct snd_soc_component *component)
281 {
282 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
283 	u8 adc_l_ctrl, adc_r_ctrl;
284 	u8 mixin_l_sel, mixin_r_sel;
285 	u8 mic_1_ctrl, mic_2_ctrl;
286 
287 	/* Save current values from ADC control registers */
288 	adc_l_ctrl = snd_soc_component_read32(component, DA7213_ADC_L_CTRL);
289 	adc_r_ctrl = snd_soc_component_read32(component, DA7213_ADC_R_CTRL);
290 
291 	/* Save current values from MIXIN_L/R_SELECT registers */
292 	mixin_l_sel = snd_soc_component_read32(component, DA7213_MIXIN_L_SELECT);
293 	mixin_r_sel = snd_soc_component_read32(component, DA7213_MIXIN_R_SELECT);
294 
295 	/* Save current values from MIC control registers */
296 	mic_1_ctrl = snd_soc_component_read32(component, DA7213_MIC_1_CTRL);
297 	mic_2_ctrl = snd_soc_component_read32(component, DA7213_MIC_2_CTRL);
298 
299 	/* Enable ADC Left and Right */
300 	snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL, DA7213_ADC_EN,
301 			    DA7213_ADC_EN);
302 	snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL, DA7213_ADC_EN,
303 			    DA7213_ADC_EN);
304 
305 	/* Enable MIC paths */
306 	snd_soc_component_update_bits(component, DA7213_MIXIN_L_SELECT,
307 			    DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
308 			    DA7213_MIXIN_L_MIX_SELECT_MIC_2,
309 			    DA7213_MIXIN_L_MIX_SELECT_MIC_1 |
310 			    DA7213_MIXIN_L_MIX_SELECT_MIC_2);
311 	snd_soc_component_update_bits(component, DA7213_MIXIN_R_SELECT,
312 			    DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
313 			    DA7213_MIXIN_R_MIX_SELECT_MIC_1,
314 			    DA7213_MIXIN_R_MIX_SELECT_MIC_2 |
315 			    DA7213_MIXIN_R_MIX_SELECT_MIC_1);
316 
317 	/* Mute MIC PGAs */
318 	snd_soc_component_update_bits(component, DA7213_MIC_1_CTRL, DA7213_MUTE_EN,
319 			    DA7213_MUTE_EN);
320 	snd_soc_component_update_bits(component, DA7213_MIC_2_CTRL, DA7213_MUTE_EN,
321 			    DA7213_MUTE_EN);
322 
323 	/* Perform calibration */
324 	if (da7213->alc_calib_auto)
325 		da7213_alc_calib_auto(component);
326 	else
327 		da7213_alc_calib_man(component);
328 
329 	/* Restore MIXIN_L/R_SELECT registers to their original states */
330 	snd_soc_component_write(component, DA7213_MIXIN_L_SELECT, mixin_l_sel);
331 	snd_soc_component_write(component, DA7213_MIXIN_R_SELECT, mixin_r_sel);
332 
333 	/* Restore ADC control registers to their original states */
334 	snd_soc_component_write(component, DA7213_ADC_L_CTRL, adc_l_ctrl);
335 	snd_soc_component_write(component, DA7213_ADC_R_CTRL, adc_r_ctrl);
336 
337 	/* Restore original values of MIC control registers */
338 	snd_soc_component_write(component, DA7213_MIC_1_CTRL, mic_1_ctrl);
339 	snd_soc_component_write(component, DA7213_MIC_2_CTRL, mic_2_ctrl);
340 }
341 
342 static int da7213_put_mixin_gain(struct snd_kcontrol *kcontrol,
343 				struct snd_ctl_elem_value *ucontrol)
344 {
345 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
346 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
347 	int ret;
348 
349 	ret = snd_soc_put_volsw_2r(kcontrol, ucontrol);
350 
351 	/* If ALC in operation, make sure calibrated offsets are updated */
352 	if ((!ret) && (da7213->alc_en))
353 		da7213_alc_calib(component);
354 
355 	return ret;
356 }
357 
358 static int da7213_put_alc_sw(struct snd_kcontrol *kcontrol,
359 			    struct snd_ctl_elem_value *ucontrol)
360 {
361 	struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
362 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
363 
364 	/* Force ALC offset calibration if enabling ALC */
365 	if (ucontrol->value.integer.value[0] ||
366 	    ucontrol->value.integer.value[1]) {
367 		if (!da7213->alc_en) {
368 			da7213_alc_calib(component);
369 			da7213->alc_en = true;
370 		}
371 	} else {
372 		da7213->alc_en = false;
373 	}
374 
375 	return snd_soc_put_volsw(kcontrol, ucontrol);
376 }
377 
378 
379 /*
380  * KControls
381  */
382 
383 static const struct snd_kcontrol_new da7213_snd_controls[] = {
384 
385 	/* Volume controls */
386 	SOC_SINGLE_TLV("Mic 1 Volume", DA7213_MIC_1_GAIN,
387 		       DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
388 		       DA7213_NO_INVERT, mic_vol_tlv),
389 	SOC_SINGLE_TLV("Mic 2 Volume", DA7213_MIC_2_GAIN,
390 		       DA7213_MIC_AMP_GAIN_SHIFT, DA7213_MIC_AMP_GAIN_MAX,
391 		       DA7213_NO_INVERT, mic_vol_tlv),
392 	SOC_DOUBLE_R_TLV("Aux Volume", DA7213_AUX_L_GAIN, DA7213_AUX_R_GAIN,
393 			 DA7213_AUX_AMP_GAIN_SHIFT, DA7213_AUX_AMP_GAIN_MAX,
394 			 DA7213_NO_INVERT, aux_vol_tlv),
395 	SOC_DOUBLE_R_EXT_TLV("Mixin PGA Volume", DA7213_MIXIN_L_GAIN,
396 			     DA7213_MIXIN_R_GAIN, DA7213_MIXIN_AMP_GAIN_SHIFT,
397 			     DA7213_MIXIN_AMP_GAIN_MAX, DA7213_NO_INVERT,
398 			     snd_soc_get_volsw_2r, da7213_put_mixin_gain,
399 			     mixin_gain_tlv),
400 	SOC_DOUBLE_R_TLV("ADC Volume", DA7213_ADC_L_GAIN, DA7213_ADC_R_GAIN,
401 			 DA7213_ADC_AMP_GAIN_SHIFT, DA7213_ADC_AMP_GAIN_MAX,
402 			 DA7213_NO_INVERT, digital_gain_tlv),
403 	SOC_DOUBLE_R_TLV("DAC Volume", DA7213_DAC_L_GAIN, DA7213_DAC_R_GAIN,
404 			 DA7213_DAC_AMP_GAIN_SHIFT, DA7213_DAC_AMP_GAIN_MAX,
405 			 DA7213_NO_INVERT, digital_gain_tlv),
406 	SOC_DOUBLE_R_TLV("Headphone Volume", DA7213_HP_L_GAIN, DA7213_HP_R_GAIN,
407 			 DA7213_HP_AMP_GAIN_SHIFT, DA7213_HP_AMP_GAIN_MAX,
408 			 DA7213_NO_INVERT, hp_vol_tlv),
409 	SOC_SINGLE_TLV("Lineout Volume", DA7213_LINE_GAIN,
410 		       DA7213_LINE_AMP_GAIN_SHIFT, DA7213_LINE_AMP_GAIN_MAX,
411 		       DA7213_NO_INVERT, lineout_vol_tlv),
412 
413 	/* DAC Equalizer controls */
414 	SOC_SINGLE("DAC EQ Switch", DA7213_DAC_FILTERS4, DA7213_DAC_EQ_EN_SHIFT,
415 		   DA7213_DAC_EQ_EN_MAX, DA7213_NO_INVERT),
416 	SOC_SINGLE_TLV("DAC EQ1 Volume", DA7213_DAC_FILTERS2,
417 		       DA7213_DAC_EQ_BAND1_SHIFT, DA7213_DAC_EQ_BAND_MAX,
418 		       DA7213_NO_INVERT, eq_gain_tlv),
419 	SOC_SINGLE_TLV("DAC EQ2 Volume", DA7213_DAC_FILTERS2,
420 		       DA7213_DAC_EQ_BAND2_SHIFT, DA7213_DAC_EQ_BAND_MAX,
421 		       DA7213_NO_INVERT, eq_gain_tlv),
422 	SOC_SINGLE_TLV("DAC EQ3 Volume", DA7213_DAC_FILTERS3,
423 		       DA7213_DAC_EQ_BAND3_SHIFT, DA7213_DAC_EQ_BAND_MAX,
424 		       DA7213_NO_INVERT, eq_gain_tlv),
425 	SOC_SINGLE_TLV("DAC EQ4 Volume", DA7213_DAC_FILTERS3,
426 		       DA7213_DAC_EQ_BAND4_SHIFT, DA7213_DAC_EQ_BAND_MAX,
427 		       DA7213_NO_INVERT, eq_gain_tlv),
428 	SOC_SINGLE_TLV("DAC EQ5 Volume", DA7213_DAC_FILTERS4,
429 		       DA7213_DAC_EQ_BAND5_SHIFT, DA7213_DAC_EQ_BAND_MAX,
430 		       DA7213_NO_INVERT, eq_gain_tlv),
431 
432 	/* High Pass Filter and Voice Mode controls */
433 	SOC_SINGLE("ADC HPF Switch", DA7213_ADC_FILTERS1, DA7213_HPF_EN_SHIFT,
434 		   DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
435 	SOC_ENUM("ADC HPF Cutoff", da7213_adc_audio_hpf_corner),
436 	SOC_SINGLE("ADC Voice Mode Switch", DA7213_ADC_FILTERS1,
437 		   DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
438 		   DA7213_NO_INVERT),
439 	SOC_ENUM("ADC Voice Cutoff", da7213_adc_voice_hpf_corner),
440 
441 	SOC_SINGLE("DAC HPF Switch", DA7213_DAC_FILTERS1, DA7213_HPF_EN_SHIFT,
442 		   DA7213_HPF_EN_MAX, DA7213_NO_INVERT),
443 	SOC_ENUM("DAC HPF Cutoff", da7213_dac_audio_hpf_corner),
444 	SOC_SINGLE("DAC Voice Mode Switch", DA7213_DAC_FILTERS1,
445 		   DA7213_VOICE_EN_SHIFT, DA7213_VOICE_EN_MAX,
446 		   DA7213_NO_INVERT),
447 	SOC_ENUM("DAC Voice Cutoff", da7213_dac_voice_hpf_corner),
448 
449 	/* Mute controls */
450 	SOC_SINGLE("Mic 1 Switch", DA7213_MIC_1_CTRL, DA7213_MUTE_EN_SHIFT,
451 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
452 	SOC_SINGLE("Mic 2 Switch", DA7213_MIC_2_CTRL, DA7213_MUTE_EN_SHIFT,
453 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
454 	SOC_DOUBLE_R("Aux Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
455 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
456 	SOC_DOUBLE_R("Mixin PGA Switch", DA7213_MIXIN_L_CTRL,
457 		     DA7213_MIXIN_R_CTRL, DA7213_MUTE_EN_SHIFT,
458 		     DA7213_MUTE_EN_MAX, DA7213_INVERT),
459 	SOC_DOUBLE_R("ADC Switch", DA7213_ADC_L_CTRL, DA7213_ADC_R_CTRL,
460 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
461 	SOC_DOUBLE_R("Headphone Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
462 		     DA7213_MUTE_EN_SHIFT, DA7213_MUTE_EN_MAX, DA7213_INVERT),
463 	SOC_SINGLE("Lineout Switch", DA7213_LINE_CTRL, DA7213_MUTE_EN_SHIFT,
464 		   DA7213_MUTE_EN_MAX, DA7213_INVERT),
465 	SOC_SINGLE("DAC Soft Mute Switch", DA7213_DAC_FILTERS5,
466 		   DA7213_DAC_SOFTMUTE_EN_SHIFT, DA7213_DAC_SOFTMUTE_EN_MAX,
467 		   DA7213_NO_INVERT),
468 	SOC_ENUM("DAC Soft Mute Rate", da7213_dac_soft_mute_rate),
469 
470 	/* Zero Cross controls */
471 	SOC_DOUBLE_R("Aux ZC Switch", DA7213_AUX_L_CTRL, DA7213_AUX_R_CTRL,
472 		     DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
473 	SOC_DOUBLE_R("Mixin PGA ZC Switch", DA7213_MIXIN_L_CTRL,
474 		     DA7213_MIXIN_R_CTRL, DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX,
475 		     DA7213_NO_INVERT),
476 	SOC_DOUBLE_R("Headphone ZC Switch", DA7213_HP_L_CTRL, DA7213_HP_R_CTRL,
477 		     DA7213_ZC_EN_SHIFT, DA7213_ZC_EN_MAX, DA7213_NO_INVERT),
478 
479 	/* Gain Ramping controls */
480 	SOC_DOUBLE_R("Aux Gain Ramping Switch", DA7213_AUX_L_CTRL,
481 		     DA7213_AUX_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
482 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
483 	SOC_DOUBLE_R("Mixin Gain Ramping Switch", DA7213_MIXIN_L_CTRL,
484 		     DA7213_MIXIN_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
485 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
486 	SOC_DOUBLE_R("ADC Gain Ramping Switch", DA7213_ADC_L_CTRL,
487 		     DA7213_ADC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
488 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
489 	SOC_DOUBLE_R("DAC Gain Ramping Switch", DA7213_DAC_L_CTRL,
490 		     DA7213_DAC_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
491 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
492 	SOC_DOUBLE_R("Headphone Gain Ramping Switch", DA7213_HP_L_CTRL,
493 		     DA7213_HP_R_CTRL, DA7213_GAIN_RAMP_EN_SHIFT,
494 		     DA7213_GAIN_RAMP_EN_MAX, DA7213_NO_INVERT),
495 	SOC_SINGLE("Lineout Gain Ramping Switch", DA7213_LINE_CTRL,
496 		   DA7213_GAIN_RAMP_EN_SHIFT, DA7213_GAIN_RAMP_EN_MAX,
497 		   DA7213_NO_INVERT),
498 	SOC_ENUM("Gain Ramping Rate", da7213_gain_ramp_rate),
499 
500 	/* DAC Noise Gate controls */
501 	SOC_SINGLE("DAC NG Switch", DA7213_DAC_NG_CTRL, DA7213_DAC_NG_EN_SHIFT,
502 		   DA7213_DAC_NG_EN_MAX, DA7213_NO_INVERT),
503 	SOC_ENUM("DAC NG Setup Time", da7213_dac_ng_setup_time),
504 	SOC_ENUM("DAC NG Rampup Rate", da7213_dac_ng_rampup_rate),
505 	SOC_ENUM("DAC NG Rampdown Rate", da7213_dac_ng_rampdown_rate),
506 	SOC_SINGLE("DAC NG OFF Threshold", DA7213_DAC_NG_OFF_THRESHOLD,
507 		   DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
508 		   DA7213_NO_INVERT),
509 	SOC_SINGLE("DAC NG ON Threshold", DA7213_DAC_NG_ON_THRESHOLD,
510 		   DA7213_DAC_NG_THRESHOLD_SHIFT, DA7213_DAC_NG_THRESHOLD_MAX,
511 		   DA7213_NO_INVERT),
512 
513 	/* DAC Routing & Inversion */
514 	SOC_DOUBLE("DAC Mono Switch", DA7213_DIG_ROUTING_DAC,
515 		   DA7213_DAC_L_MONO_SHIFT, DA7213_DAC_R_MONO_SHIFT,
516 		   DA7213_DAC_MONO_MAX, DA7213_NO_INVERT),
517 	SOC_DOUBLE("DAC Invert Switch", DA7213_DIG_CTRL, DA7213_DAC_L_INV_SHIFT,
518 		   DA7213_DAC_R_INV_SHIFT, DA7213_DAC_INV_MAX,
519 		   DA7213_NO_INVERT),
520 
521 	/* DMIC controls */
522 	SOC_DOUBLE_R("DMIC Switch", DA7213_MIXIN_L_SELECT,
523 		     DA7213_MIXIN_R_SELECT, DA7213_DMIC_EN_SHIFT,
524 		     DA7213_DMIC_EN_MAX, DA7213_NO_INVERT),
525 
526 	/* ALC Controls */
527 	SOC_DOUBLE_EXT("ALC Switch", DA7213_ALC_CTRL1, DA7213_ALC_L_EN_SHIFT,
528 		       DA7213_ALC_R_EN_SHIFT, DA7213_ALC_EN_MAX,
529 		       DA7213_NO_INVERT, snd_soc_get_volsw, da7213_put_alc_sw),
530 	SOC_ENUM("ALC Attack Rate", da7213_alc_attack_rate),
531 	SOC_ENUM("ALC Release Rate", da7213_alc_release_rate),
532 	SOC_ENUM("ALC Hold Time", da7213_alc_hold_time),
533 	/*
534 	 * Rate at which input signal envelope is tracked as the signal gets
535 	 * larger
536 	 */
537 	SOC_ENUM("ALC Integ Attack Rate", da7213_alc_integ_attack_rate),
538 	/*
539 	 * Rate at which input signal envelope is tracked as the signal gets
540 	 * smaller
541 	 */
542 	SOC_ENUM("ALC Integ Release Rate", da7213_alc_integ_release_rate),
543 	SOC_SINGLE_TLV("ALC Noise Threshold Volume", DA7213_ALC_NOISE,
544 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
545 		       DA7213_INVERT, alc_threshold_tlv),
546 	SOC_SINGLE_TLV("ALC Min Threshold Volume", DA7213_ALC_TARGET_MIN,
547 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
548 		       DA7213_INVERT, alc_threshold_tlv),
549 	SOC_SINGLE_TLV("ALC Max Threshold Volume", DA7213_ALC_TARGET_MAX,
550 		       DA7213_ALC_THRESHOLD_SHIFT, DA7213_ALC_THRESHOLD_MAX,
551 		       DA7213_INVERT, alc_threshold_tlv),
552 	SOC_SINGLE_TLV("ALC Max Attenuation Volume", DA7213_ALC_GAIN_LIMITS,
553 		       DA7213_ALC_ATTEN_MAX_SHIFT,
554 		       DA7213_ALC_ATTEN_GAIN_MAX_MAX, DA7213_NO_INVERT,
555 		       alc_gain_tlv),
556 	SOC_SINGLE_TLV("ALC Max Gain Volume", DA7213_ALC_GAIN_LIMITS,
557 		       DA7213_ALC_GAIN_MAX_SHIFT, DA7213_ALC_ATTEN_GAIN_MAX_MAX,
558 		       DA7213_NO_INVERT, alc_gain_tlv),
559 	SOC_SINGLE_TLV("ALC Min Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
560 		       DA7213_ALC_ANA_GAIN_MIN_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
561 		       DA7213_NO_INVERT, alc_analog_gain_tlv),
562 	SOC_SINGLE_TLV("ALC Max Analog Gain Volume", DA7213_ALC_ANA_GAIN_LIMITS,
563 		       DA7213_ALC_ANA_GAIN_MAX_SHIFT, DA7213_ALC_ANA_GAIN_MAX,
564 		       DA7213_NO_INVERT, alc_analog_gain_tlv),
565 	SOC_SINGLE("ALC Anticlip Mode Switch", DA7213_ALC_ANTICLIP_CTRL,
566 		   DA7213_ALC_ANTICLIP_EN_SHIFT, DA7213_ALC_ANTICLIP_EN_MAX,
567 		   DA7213_NO_INVERT),
568 	SOC_SINGLE("ALC Anticlip Level", DA7213_ALC_ANTICLIP_LEVEL,
569 		   DA7213_ALC_ANTICLIP_LEVEL_SHIFT,
570 		   DA7213_ALC_ANTICLIP_LEVEL_MAX, DA7213_NO_INVERT),
571 };
572 
573 
574 /*
575  * DAPM
576  */
577 
578 /*
579  * Enums
580  */
581 
582 /* MIC PGA source select */
583 static const char * const da7213_mic_amp_in_sel_txt[] = {
584 	"Differential", "MIC_P", "MIC_N"
585 };
586 
587 static SOC_ENUM_SINGLE_DECL(da7213_mic_1_amp_in_sel,
588 			    DA7213_MIC_1_CTRL,
589 			    DA7213_MIC_AMP_IN_SEL_SHIFT,
590 			    da7213_mic_amp_in_sel_txt);
591 static const struct snd_kcontrol_new da7213_mic_1_amp_in_sel_mux =
592 	SOC_DAPM_ENUM("Mic 1 Amp Source MUX", da7213_mic_1_amp_in_sel);
593 
594 static SOC_ENUM_SINGLE_DECL(da7213_mic_2_amp_in_sel,
595 			    DA7213_MIC_2_CTRL,
596 			    DA7213_MIC_AMP_IN_SEL_SHIFT,
597 			    da7213_mic_amp_in_sel_txt);
598 static const struct snd_kcontrol_new da7213_mic_2_amp_in_sel_mux =
599 	SOC_DAPM_ENUM("Mic 2 Amp Source MUX", da7213_mic_2_amp_in_sel);
600 
601 /* DAI routing select */
602 static const char * const da7213_dai_src_txt[] = {
603 	"ADC Left", "ADC Right", "DAI Input Left", "DAI Input Right"
604 };
605 
606 static SOC_ENUM_SINGLE_DECL(da7213_dai_l_src,
607 			    DA7213_DIG_ROUTING_DAI,
608 			    DA7213_DAI_L_SRC_SHIFT,
609 			    da7213_dai_src_txt);
610 static const struct snd_kcontrol_new da7213_dai_l_src_mux =
611 	SOC_DAPM_ENUM("DAI Left Source MUX", da7213_dai_l_src);
612 
613 static SOC_ENUM_SINGLE_DECL(da7213_dai_r_src,
614 			    DA7213_DIG_ROUTING_DAI,
615 			    DA7213_DAI_R_SRC_SHIFT,
616 			    da7213_dai_src_txt);
617 static const struct snd_kcontrol_new da7213_dai_r_src_mux =
618 	SOC_DAPM_ENUM("DAI Right Source MUX", da7213_dai_r_src);
619 
620 /* DAC routing select */
621 static const char * const da7213_dac_src_txt[] = {
622 	"ADC Output Left", "ADC Output Right", "DAI Input Left",
623 	"DAI Input Right"
624 };
625 
626 static SOC_ENUM_SINGLE_DECL(da7213_dac_l_src,
627 			    DA7213_DIG_ROUTING_DAC,
628 			    DA7213_DAC_L_SRC_SHIFT,
629 			    da7213_dac_src_txt);
630 static const struct snd_kcontrol_new da7213_dac_l_src_mux =
631 	SOC_DAPM_ENUM("DAC Left Source MUX", da7213_dac_l_src);
632 
633 static SOC_ENUM_SINGLE_DECL(da7213_dac_r_src,
634 			    DA7213_DIG_ROUTING_DAC,
635 			    DA7213_DAC_R_SRC_SHIFT,
636 			    da7213_dac_src_txt);
637 static const struct snd_kcontrol_new da7213_dac_r_src_mux =
638 	SOC_DAPM_ENUM("DAC Right Source MUX", da7213_dac_r_src);
639 
640 /*
641  * Mixer Controls
642  */
643 
644 /* Mixin Left */
645 static const struct snd_kcontrol_new da7213_dapm_mixinl_controls[] = {
646 	SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXIN_L_SELECT,
647 			DA7213_MIXIN_L_MIX_SELECT_AUX_L_SHIFT,
648 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
649 	SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_L_SELECT,
650 			DA7213_MIXIN_L_MIX_SELECT_MIC_1_SHIFT,
651 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
652 	SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_L_SELECT,
653 			DA7213_MIXIN_L_MIX_SELECT_MIC_2_SHIFT,
654 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
655 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXIN_L_SELECT,
656 			DA7213_MIXIN_L_MIX_SELECT_MIXIN_R_SHIFT,
657 			DA7213_MIXIN_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
658 };
659 
660 /* Mixin Right */
661 static const struct snd_kcontrol_new da7213_dapm_mixinr_controls[] = {
662 	SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXIN_R_SELECT,
663 			DA7213_MIXIN_R_MIX_SELECT_AUX_R_SHIFT,
664 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
665 	SOC_DAPM_SINGLE("Mic 2 Switch", DA7213_MIXIN_R_SELECT,
666 			DA7213_MIXIN_R_MIX_SELECT_MIC_2_SHIFT,
667 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
668 	SOC_DAPM_SINGLE("Mic 1 Switch", DA7213_MIXIN_R_SELECT,
669 			DA7213_MIXIN_R_MIX_SELECT_MIC_1_SHIFT,
670 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
671 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXIN_R_SELECT,
672 			DA7213_MIXIN_R_MIX_SELECT_MIXIN_L_SHIFT,
673 			DA7213_MIXIN_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
674 };
675 
676 /* Mixout Left */
677 static const struct snd_kcontrol_new da7213_dapm_mixoutl_controls[] = {
678 	SOC_DAPM_SINGLE("Aux Left Switch", DA7213_MIXOUT_L_SELECT,
679 			DA7213_MIXOUT_L_MIX_SELECT_AUX_L_SHIFT,
680 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
681 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_L_SELECT,
682 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_SHIFT,
683 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
684 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_L_SELECT,
685 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_SHIFT,
686 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
687 	SOC_DAPM_SINGLE("DAC Left Switch", DA7213_MIXOUT_L_SELECT,
688 			DA7213_MIXOUT_L_MIX_SELECT_DAC_L_SHIFT,
689 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
690 	SOC_DAPM_SINGLE("Aux Left Invert Switch", DA7213_MIXOUT_L_SELECT,
691 			DA7213_MIXOUT_L_MIX_SELECT_AUX_L_INVERTED_SHIFT,
692 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
693 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_L_SELECT,
694 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
695 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
696 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_L_SELECT,
697 			DA7213_MIXOUT_L_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
698 			DA7213_MIXOUT_L_MIX_SELECT_MAX, DA7213_NO_INVERT),
699 };
700 
701 /* Mixout Right */
702 static const struct snd_kcontrol_new da7213_dapm_mixoutr_controls[] = {
703 	SOC_DAPM_SINGLE("Aux Right Switch", DA7213_MIXOUT_R_SELECT,
704 			DA7213_MIXOUT_R_MIX_SELECT_AUX_R_SHIFT,
705 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
706 	SOC_DAPM_SINGLE("Mixin Right Switch", DA7213_MIXOUT_R_SELECT,
707 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_SHIFT,
708 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
709 	SOC_DAPM_SINGLE("Mixin Left Switch", DA7213_MIXOUT_R_SELECT,
710 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_SHIFT,
711 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
712 	SOC_DAPM_SINGLE("DAC Right Switch", DA7213_MIXOUT_R_SELECT,
713 			DA7213_MIXOUT_R_MIX_SELECT_DAC_R_SHIFT,
714 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
715 	SOC_DAPM_SINGLE("Aux Right Invert Switch", DA7213_MIXOUT_R_SELECT,
716 			DA7213_MIXOUT_R_MIX_SELECT_AUX_R_INVERTED_SHIFT,
717 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
718 	SOC_DAPM_SINGLE("Mixin Right Invert Switch", DA7213_MIXOUT_R_SELECT,
719 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_R_INVERTED_SHIFT,
720 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
721 	SOC_DAPM_SINGLE("Mixin Left Invert Switch", DA7213_MIXOUT_R_SELECT,
722 			DA7213_MIXOUT_R_MIX_SELECT_MIXIN_L_INVERTED_SHIFT,
723 			DA7213_MIXOUT_R_MIX_SELECT_MAX, DA7213_NO_INVERT),
724 };
725 
726 
727 /*
728  * DAPM Events
729  */
730 
731 static int da7213_dai_event(struct snd_soc_dapm_widget *w,
732 			    struct snd_kcontrol *kcontrol, int event)
733 {
734 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
735 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
736 	u8 pll_ctrl, pll_status;
737 	int i = 0;
738 	bool srm_lock = false;
739 
740 	switch (event) {
741 	case SND_SOC_DAPM_PRE_PMU:
742 		/* Enable DAI clks for master mode */
743 		if (da7213->master)
744 			snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
745 					    DA7213_DAI_CLK_EN_MASK,
746 					    DA7213_DAI_CLK_EN_MASK);
747 
748 		/* PC synchronised to DAI */
749 		snd_soc_component_update_bits(component, DA7213_PC_COUNT,
750 				    DA7213_PC_FREERUN_MASK, 0);
751 
752 		/* If SRM not enabled then nothing more to do */
753 		pll_ctrl = snd_soc_component_read32(component, DA7213_PLL_CTRL);
754 		if (!(pll_ctrl & DA7213_PLL_SRM_EN))
755 			return 0;
756 
757 		/* Assist 32KHz mode PLL lock */
758 		if (pll_ctrl & DA7213_PLL_32K_MODE) {
759 			snd_soc_component_write(component, 0xF0, 0x8B);
760 			snd_soc_component_write(component, 0xF2, 0x03);
761 			snd_soc_component_write(component, 0xF0, 0x00);
762 		}
763 
764 		/* Check SRM has locked */
765 		do {
766 			pll_status = snd_soc_component_read32(component, DA7213_PLL_STATUS);
767 			if (pll_status & DA7219_PLL_SRM_LOCK) {
768 				srm_lock = true;
769 			} else {
770 				++i;
771 				msleep(50);
772 			}
773 		} while ((i < DA7213_SRM_CHECK_RETRIES) && (!srm_lock));
774 
775 		if (!srm_lock)
776 			dev_warn(component->dev, "SRM failed to lock\n");
777 
778 		return 0;
779 	case SND_SOC_DAPM_POST_PMD:
780 		/* Revert 32KHz PLL lock udpates if applied previously */
781 		pll_ctrl = snd_soc_component_read32(component, DA7213_PLL_CTRL);
782 		if (pll_ctrl & DA7213_PLL_32K_MODE) {
783 			snd_soc_component_write(component, 0xF0, 0x8B);
784 			snd_soc_component_write(component, 0xF2, 0x01);
785 			snd_soc_component_write(component, 0xF0, 0x00);
786 		}
787 
788 		/* PC free-running */
789 		snd_soc_component_update_bits(component, DA7213_PC_COUNT,
790 				    DA7213_PC_FREERUN_MASK,
791 				    DA7213_PC_FREERUN_MASK);
792 
793 		/* Disable DAI clks if in master mode */
794 		if (da7213->master)
795 			snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
796 					    DA7213_DAI_CLK_EN_MASK, 0);
797 		return 0;
798 	default:
799 		return -EINVAL;
800 	}
801 }
802 
803 
804 /*
805  * DAPM widgets
806  */
807 
808 static const struct snd_soc_dapm_widget da7213_dapm_widgets[] = {
809 	/*
810 	 * Input & Output
811 	 */
812 
813 	/* Use a supply here as this controls both input & output DAIs */
814 	SND_SOC_DAPM_SUPPLY("DAI", DA7213_DAI_CTRL, DA7213_DAI_EN_SHIFT,
815 			    DA7213_NO_INVERT, da7213_dai_event,
816 			    SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
817 
818 	/*
819 	 * Input
820 	 */
821 
822 	/* Input Lines */
823 	SND_SOC_DAPM_INPUT("MIC1"),
824 	SND_SOC_DAPM_INPUT("MIC2"),
825 	SND_SOC_DAPM_INPUT("AUXL"),
826 	SND_SOC_DAPM_INPUT("AUXR"),
827 
828 	/* MUXs for Mic PGA source selection */
829 	SND_SOC_DAPM_MUX("Mic 1 Amp Source MUX", SND_SOC_NOPM, 0, 0,
830 			 &da7213_mic_1_amp_in_sel_mux),
831 	SND_SOC_DAPM_MUX("Mic 2 Amp Source MUX", SND_SOC_NOPM, 0, 0,
832 			 &da7213_mic_2_amp_in_sel_mux),
833 
834 	/* Input PGAs */
835 	SND_SOC_DAPM_PGA("Mic 1 PGA", DA7213_MIC_1_CTRL, DA7213_AMP_EN_SHIFT,
836 			 DA7213_NO_INVERT, NULL, 0),
837 	SND_SOC_DAPM_PGA("Mic 2 PGA", DA7213_MIC_2_CTRL, DA7213_AMP_EN_SHIFT,
838 			 DA7213_NO_INVERT, NULL, 0),
839 	SND_SOC_DAPM_PGA("Aux Left PGA", DA7213_AUX_L_CTRL, DA7213_AMP_EN_SHIFT,
840 			 DA7213_NO_INVERT, NULL, 0),
841 	SND_SOC_DAPM_PGA("Aux Right PGA", DA7213_AUX_R_CTRL,
842 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
843 	SND_SOC_DAPM_PGA("Mixin Left PGA", DA7213_MIXIN_L_CTRL,
844 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
845 	SND_SOC_DAPM_PGA("Mixin Right PGA", DA7213_MIXIN_R_CTRL,
846 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
847 
848 	/* Mic Biases */
849 	SND_SOC_DAPM_SUPPLY("Mic Bias 1", DA7213_MICBIAS_CTRL,
850 			    DA7213_MICBIAS1_EN_SHIFT, DA7213_NO_INVERT,
851 			    NULL, 0),
852 	SND_SOC_DAPM_SUPPLY("Mic Bias 2", DA7213_MICBIAS_CTRL,
853 			    DA7213_MICBIAS2_EN_SHIFT, DA7213_NO_INVERT,
854 			    NULL, 0),
855 
856 	/* Input Mixers */
857 	SND_SOC_DAPM_MIXER("Mixin Left", SND_SOC_NOPM, 0, 0,
858 			   &da7213_dapm_mixinl_controls[0],
859 			   ARRAY_SIZE(da7213_dapm_mixinl_controls)),
860 	SND_SOC_DAPM_MIXER("Mixin Right", SND_SOC_NOPM, 0, 0,
861 			   &da7213_dapm_mixinr_controls[0],
862 			   ARRAY_SIZE(da7213_dapm_mixinr_controls)),
863 
864 	/* ADCs */
865 	SND_SOC_DAPM_ADC("ADC Left", NULL, DA7213_ADC_L_CTRL,
866 			 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
867 	SND_SOC_DAPM_ADC("ADC Right", NULL, DA7213_ADC_R_CTRL,
868 			 DA7213_ADC_EN_SHIFT, DA7213_NO_INVERT),
869 
870 	/* DAI */
871 	SND_SOC_DAPM_MUX("DAI Left Source MUX", SND_SOC_NOPM, 0, 0,
872 			 &da7213_dai_l_src_mux),
873 	SND_SOC_DAPM_MUX("DAI Right Source MUX", SND_SOC_NOPM, 0, 0,
874 			 &da7213_dai_r_src_mux),
875 	SND_SOC_DAPM_AIF_OUT("DAIOUTL", "Capture", 0, SND_SOC_NOPM, 0, 0),
876 	SND_SOC_DAPM_AIF_OUT("DAIOUTR", "Capture", 1, SND_SOC_NOPM, 0, 0),
877 
878 	/*
879 	 * Output
880 	 */
881 
882 	/* DAI */
883 	SND_SOC_DAPM_AIF_IN("DAIINL", "Playback", 0, SND_SOC_NOPM, 0, 0),
884 	SND_SOC_DAPM_AIF_IN("DAIINR", "Playback", 1, SND_SOC_NOPM, 0, 0),
885 	SND_SOC_DAPM_MUX("DAC Left Source MUX", SND_SOC_NOPM, 0, 0,
886 			 &da7213_dac_l_src_mux),
887 	SND_SOC_DAPM_MUX("DAC Right Source MUX", SND_SOC_NOPM, 0, 0,
888 			 &da7213_dac_r_src_mux),
889 
890 	/* DACs */
891 	SND_SOC_DAPM_DAC("DAC Left", NULL, DA7213_DAC_L_CTRL,
892 			 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
893 	SND_SOC_DAPM_DAC("DAC Right", NULL, DA7213_DAC_R_CTRL,
894 			 DA7213_DAC_EN_SHIFT, DA7213_NO_INVERT),
895 
896 	/* Output Mixers */
897 	SND_SOC_DAPM_MIXER("Mixout Left", SND_SOC_NOPM, 0, 0,
898 			   &da7213_dapm_mixoutl_controls[0],
899 			   ARRAY_SIZE(da7213_dapm_mixoutl_controls)),
900 	SND_SOC_DAPM_MIXER("Mixout Right", SND_SOC_NOPM, 0, 0,
901 			   &da7213_dapm_mixoutr_controls[0],
902 			   ARRAY_SIZE(da7213_dapm_mixoutr_controls)),
903 
904 	/* Output PGAs */
905 	SND_SOC_DAPM_PGA("Mixout Left PGA", DA7213_MIXOUT_L_CTRL,
906 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
907 	SND_SOC_DAPM_PGA("Mixout Right PGA", DA7213_MIXOUT_R_CTRL,
908 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
909 	SND_SOC_DAPM_PGA("Lineout PGA", DA7213_LINE_CTRL, DA7213_AMP_EN_SHIFT,
910 			 DA7213_NO_INVERT, NULL, 0),
911 	SND_SOC_DAPM_PGA("Headphone Left PGA", DA7213_HP_L_CTRL,
912 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
913 	SND_SOC_DAPM_PGA("Headphone Right PGA", DA7213_HP_R_CTRL,
914 			 DA7213_AMP_EN_SHIFT, DA7213_NO_INVERT, NULL, 0),
915 
916 	/* Charge Pump */
917 	SND_SOC_DAPM_SUPPLY("Charge Pump", DA7213_CP_CTRL, DA7213_CP_EN_SHIFT,
918 			    DA7213_NO_INVERT, NULL, 0),
919 
920 	/* Output Lines */
921 	SND_SOC_DAPM_OUTPUT("HPL"),
922 	SND_SOC_DAPM_OUTPUT("HPR"),
923 	SND_SOC_DAPM_OUTPUT("LINE"),
924 };
925 
926 
927 /*
928  * DAPM audio route definition
929  */
930 
931 static const struct snd_soc_dapm_route da7213_audio_map[] = {
932 	/* Dest       Connecting Widget    source */
933 
934 	/* Input path */
935 	{"MIC1", NULL, "Mic Bias 1"},
936 	{"MIC2", NULL, "Mic Bias 2"},
937 
938 	{"Mic 1 Amp Source MUX", "Differential", "MIC1"},
939 	{"Mic 1 Amp Source MUX", "MIC_P", "MIC1"},
940 	{"Mic 1 Amp Source MUX", "MIC_N", "MIC1"},
941 
942 	{"Mic 2 Amp Source MUX", "Differential", "MIC2"},
943 	{"Mic 2 Amp Source MUX", "MIC_P", "MIC2"},
944 	{"Mic 2 Amp Source MUX", "MIC_N", "MIC2"},
945 
946 	{"Mic 1 PGA", NULL, "Mic 1 Amp Source MUX"},
947 	{"Mic 2 PGA", NULL, "Mic 2 Amp Source MUX"},
948 
949 	{"Aux Left PGA", NULL, "AUXL"},
950 	{"Aux Right PGA", NULL, "AUXR"},
951 
952 	{"Mixin Left", "Aux Left Switch", "Aux Left PGA"},
953 	{"Mixin Left", "Mic 1 Switch", "Mic 1 PGA"},
954 	{"Mixin Left", "Mic 2 Switch", "Mic 2 PGA"},
955 	{"Mixin Left", "Mixin Right Switch", "Mixin Right PGA"},
956 
957 	{"Mixin Right", "Aux Right Switch", "Aux Right PGA"},
958 	{"Mixin Right", "Mic 2 Switch", "Mic 2 PGA"},
959 	{"Mixin Right", "Mic 1 Switch", "Mic 1 PGA"},
960 	{"Mixin Right", "Mixin Left Switch", "Mixin Left PGA"},
961 
962 	{"Mixin Left PGA", NULL, "Mixin Left"},
963 	{"ADC Left", NULL, "Mixin Left PGA"},
964 
965 	{"Mixin Right PGA", NULL, "Mixin Right"},
966 	{"ADC Right", NULL, "Mixin Right PGA"},
967 
968 	{"DAI Left Source MUX", "ADC Left", "ADC Left"},
969 	{"DAI Left Source MUX", "ADC Right", "ADC Right"},
970 	{"DAI Left Source MUX", "DAI Input Left", "DAIINL"},
971 	{"DAI Left Source MUX", "DAI Input Right", "DAIINR"},
972 
973 	{"DAI Right Source MUX", "ADC Left", "ADC Left"},
974 	{"DAI Right Source MUX", "ADC Right", "ADC Right"},
975 	{"DAI Right Source MUX", "DAI Input Left", "DAIINL"},
976 	{"DAI Right Source MUX", "DAI Input Right", "DAIINR"},
977 
978 	{"DAIOUTL", NULL, "DAI Left Source MUX"},
979 	{"DAIOUTR", NULL, "DAI Right Source MUX"},
980 
981 	{"DAIOUTL", NULL, "DAI"},
982 	{"DAIOUTR", NULL, "DAI"},
983 
984 	/* Output path */
985 	{"DAIINL", NULL, "DAI"},
986 	{"DAIINR", NULL, "DAI"},
987 
988 	{"DAC Left Source MUX", "ADC Output Left", "ADC Left"},
989 	{"DAC Left Source MUX", "ADC Output Right", "ADC Right"},
990 	{"DAC Left Source MUX", "DAI Input Left", "DAIINL"},
991 	{"DAC Left Source MUX", "DAI Input Right", "DAIINR"},
992 
993 	{"DAC Right Source MUX", "ADC Output Left", "ADC Left"},
994 	{"DAC Right Source MUX", "ADC Output Right", "ADC Right"},
995 	{"DAC Right Source MUX", "DAI Input Left", "DAIINL"},
996 	{"DAC Right Source MUX", "DAI Input Right", "DAIINR"},
997 
998 	{"DAC Left", NULL, "DAC Left Source MUX"},
999 	{"DAC Right", NULL, "DAC Right Source MUX"},
1000 
1001 	{"Mixout Left", "Aux Left Switch", "Aux Left PGA"},
1002 	{"Mixout Left", "Mixin Left Switch", "Mixin Left PGA"},
1003 	{"Mixout Left", "Mixin Right Switch", "Mixin Right PGA"},
1004 	{"Mixout Left", "DAC Left Switch", "DAC Left"},
1005 	{"Mixout Left", "Aux Left Invert Switch", "Aux Left PGA"},
1006 	{"Mixout Left", "Mixin Left Invert Switch", "Mixin Left PGA"},
1007 	{"Mixout Left", "Mixin Right Invert Switch", "Mixin Right PGA"},
1008 
1009 	{"Mixout Right", "Aux Right Switch", "Aux Right PGA"},
1010 	{"Mixout Right", "Mixin Right Switch", "Mixin Right PGA"},
1011 	{"Mixout Right", "Mixin Left Switch", "Mixin Left PGA"},
1012 	{"Mixout Right", "DAC Right Switch", "DAC Right"},
1013 	{"Mixout Right", "Aux Right Invert Switch", "Aux Right PGA"},
1014 	{"Mixout Right", "Mixin Right Invert Switch", "Mixin Right PGA"},
1015 	{"Mixout Right", "Mixin Left Invert Switch", "Mixin Left PGA"},
1016 
1017 	{"Mixout Left PGA", NULL, "Mixout Left"},
1018 	{"Mixout Right PGA", NULL, "Mixout Right"},
1019 
1020 	{"Headphone Left PGA", NULL, "Mixout Left PGA"},
1021 	{"Headphone Left PGA", NULL, "Charge Pump"},
1022 	{"HPL", NULL, "Headphone Left PGA"},
1023 
1024 	{"Headphone Right PGA", NULL, "Mixout Right PGA"},
1025 	{"Headphone Right PGA", NULL, "Charge Pump"},
1026 	{"HPR", NULL, "Headphone Right PGA"},
1027 
1028 	{"Lineout PGA", NULL, "Mixout Right PGA"},
1029 	{"LINE", NULL, "Lineout PGA"},
1030 };
1031 
1032 static const struct reg_default da7213_reg_defaults[] = {
1033 	{ DA7213_DIG_ROUTING_DAI, 0x10 },
1034 	{ DA7213_SR, 0x0A },
1035 	{ DA7213_REFERENCES, 0x80 },
1036 	{ DA7213_PLL_FRAC_TOP, 0x00 },
1037 	{ DA7213_PLL_FRAC_BOT, 0x00 },
1038 	{ DA7213_PLL_INTEGER, 0x20 },
1039 	{ DA7213_PLL_CTRL, 0x0C },
1040 	{ DA7213_DAI_CLK_MODE, 0x01 },
1041 	{ DA7213_DAI_CTRL, 0x08 },
1042 	{ DA7213_DIG_ROUTING_DAC, 0x32 },
1043 	{ DA7213_AUX_L_GAIN, 0x35 },
1044 	{ DA7213_AUX_R_GAIN, 0x35 },
1045 	{ DA7213_MIXIN_L_SELECT, 0x00 },
1046 	{ DA7213_MIXIN_R_SELECT, 0x00 },
1047 	{ DA7213_MIXIN_L_GAIN, 0x03 },
1048 	{ DA7213_MIXIN_R_GAIN, 0x03 },
1049 	{ DA7213_ADC_L_GAIN, 0x6F },
1050 	{ DA7213_ADC_R_GAIN, 0x6F },
1051 	{ DA7213_ADC_FILTERS1, 0x80 },
1052 	{ DA7213_MIC_1_GAIN, 0x01 },
1053 	{ DA7213_MIC_2_GAIN, 0x01 },
1054 	{ DA7213_DAC_FILTERS5, 0x00 },
1055 	{ DA7213_DAC_FILTERS2, 0x88 },
1056 	{ DA7213_DAC_FILTERS3, 0x88 },
1057 	{ DA7213_DAC_FILTERS4, 0x08 },
1058 	{ DA7213_DAC_FILTERS1, 0x80 },
1059 	{ DA7213_DAC_L_GAIN, 0x6F },
1060 	{ DA7213_DAC_R_GAIN, 0x6F },
1061 	{ DA7213_CP_CTRL, 0x61 },
1062 	{ DA7213_HP_L_GAIN, 0x39 },
1063 	{ DA7213_HP_R_GAIN, 0x39 },
1064 	{ DA7213_LINE_GAIN, 0x30 },
1065 	{ DA7213_MIXOUT_L_SELECT, 0x00 },
1066 	{ DA7213_MIXOUT_R_SELECT, 0x00 },
1067 	{ DA7213_SYSTEM_MODES_INPUT, 0x00 },
1068 	{ DA7213_SYSTEM_MODES_OUTPUT, 0x00 },
1069 	{ DA7213_AUX_L_CTRL, 0x44 },
1070 	{ DA7213_AUX_R_CTRL, 0x44 },
1071 	{ DA7213_MICBIAS_CTRL, 0x11 },
1072 	{ DA7213_MIC_1_CTRL, 0x40 },
1073 	{ DA7213_MIC_2_CTRL, 0x40 },
1074 	{ DA7213_MIXIN_L_CTRL, 0x40 },
1075 	{ DA7213_MIXIN_R_CTRL, 0x40 },
1076 	{ DA7213_ADC_L_CTRL, 0x40 },
1077 	{ DA7213_ADC_R_CTRL, 0x40 },
1078 	{ DA7213_DAC_L_CTRL, 0x48 },
1079 	{ DA7213_DAC_R_CTRL, 0x40 },
1080 	{ DA7213_HP_L_CTRL, 0x41 },
1081 	{ DA7213_HP_R_CTRL, 0x40 },
1082 	{ DA7213_LINE_CTRL, 0x40 },
1083 	{ DA7213_MIXOUT_L_CTRL, 0x10 },
1084 	{ DA7213_MIXOUT_R_CTRL, 0x10 },
1085 	{ DA7213_LDO_CTRL, 0x00 },
1086 	{ DA7213_IO_CTRL, 0x00 },
1087 	{ DA7213_GAIN_RAMP_CTRL, 0x00},
1088 	{ DA7213_MIC_CONFIG, 0x00 },
1089 	{ DA7213_PC_COUNT, 0x00 },
1090 	{ DA7213_CP_VOL_THRESHOLD1, 0x32 },
1091 	{ DA7213_CP_DELAY, 0x95 },
1092 	{ DA7213_CP_DETECTOR, 0x00 },
1093 	{ DA7213_DAI_OFFSET, 0x00 },
1094 	{ DA7213_DIG_CTRL, 0x00 },
1095 	{ DA7213_ALC_CTRL2, 0x00 },
1096 	{ DA7213_ALC_CTRL3, 0x00 },
1097 	{ DA7213_ALC_NOISE, 0x3F },
1098 	{ DA7213_ALC_TARGET_MIN, 0x3F },
1099 	{ DA7213_ALC_TARGET_MAX, 0x00 },
1100 	{ DA7213_ALC_GAIN_LIMITS, 0xFF },
1101 	{ DA7213_ALC_ANA_GAIN_LIMITS, 0x71 },
1102 	{ DA7213_ALC_ANTICLIP_CTRL, 0x00 },
1103 	{ DA7213_ALC_ANTICLIP_LEVEL, 0x00 },
1104 	{ DA7213_ALC_OFFSET_MAN_M_L, 0x00 },
1105 	{ DA7213_ALC_OFFSET_MAN_U_L, 0x00 },
1106 	{ DA7213_ALC_OFFSET_MAN_M_R, 0x00 },
1107 	{ DA7213_ALC_OFFSET_MAN_U_R, 0x00 },
1108 	{ DA7213_ALC_CIC_OP_LVL_CTRL, 0x00 },
1109 	{ DA7213_DAC_NG_SETUP_TIME, 0x00 },
1110 	{ DA7213_DAC_NG_OFF_THRESHOLD, 0x00 },
1111 	{ DA7213_DAC_NG_ON_THRESHOLD, 0x00 },
1112 	{ DA7213_DAC_NG_CTRL, 0x00 },
1113 };
1114 
1115 static bool da7213_volatile_register(struct device *dev, unsigned int reg)
1116 {
1117 	switch (reg) {
1118 	case DA7213_STATUS1:
1119 	case DA7213_PLL_STATUS:
1120 	case DA7213_AUX_L_GAIN_STATUS:
1121 	case DA7213_AUX_R_GAIN_STATUS:
1122 	case DA7213_MIC_1_GAIN_STATUS:
1123 	case DA7213_MIC_2_GAIN_STATUS:
1124 	case DA7213_MIXIN_L_GAIN_STATUS:
1125 	case DA7213_MIXIN_R_GAIN_STATUS:
1126 	case DA7213_ADC_L_GAIN_STATUS:
1127 	case DA7213_ADC_R_GAIN_STATUS:
1128 	case DA7213_DAC_L_GAIN_STATUS:
1129 	case DA7213_DAC_R_GAIN_STATUS:
1130 	case DA7213_HP_L_GAIN_STATUS:
1131 	case DA7213_HP_R_GAIN_STATUS:
1132 	case DA7213_LINE_GAIN_STATUS:
1133 	case DA7213_ALC_CTRL1:
1134 	case DA7213_ALC_OFFSET_AUTO_M_L:
1135 	case DA7213_ALC_OFFSET_AUTO_U_L:
1136 	case DA7213_ALC_OFFSET_AUTO_M_R:
1137 	case DA7213_ALC_OFFSET_AUTO_U_R:
1138 	case DA7213_ALC_CIC_OP_LVL_DATA:
1139 		return true;
1140 	default:
1141 		return false;
1142 	}
1143 }
1144 
1145 static int da7213_hw_params(struct snd_pcm_substream *substream,
1146 			    struct snd_pcm_hw_params *params,
1147 			    struct snd_soc_dai *dai)
1148 {
1149 	struct snd_soc_component *component = dai->component;
1150 	u8 dai_ctrl = 0;
1151 	u8 fs;
1152 
1153 	/* Set DAI format */
1154 	switch (params_width(params)) {
1155 	case 16:
1156 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S16_LE;
1157 		break;
1158 	case 20:
1159 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S20_LE;
1160 		break;
1161 	case 24:
1162 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S24_LE;
1163 		break;
1164 	case 32:
1165 		dai_ctrl |= DA7213_DAI_WORD_LENGTH_S32_LE;
1166 		break;
1167 	default:
1168 		return -EINVAL;
1169 	}
1170 
1171 	/* Set sampling rate */
1172 	switch (params_rate(params)) {
1173 	case 8000:
1174 		fs = DA7213_SR_8000;
1175 		break;
1176 	case 11025:
1177 		fs = DA7213_SR_11025;
1178 		break;
1179 	case 12000:
1180 		fs = DA7213_SR_12000;
1181 		break;
1182 	case 16000:
1183 		fs = DA7213_SR_16000;
1184 		break;
1185 	case 22050:
1186 		fs = DA7213_SR_22050;
1187 		break;
1188 	case 32000:
1189 		fs = DA7213_SR_32000;
1190 		break;
1191 	case 44100:
1192 		fs = DA7213_SR_44100;
1193 		break;
1194 	case 48000:
1195 		fs = DA7213_SR_48000;
1196 		break;
1197 	case 88200:
1198 		fs = DA7213_SR_88200;
1199 		break;
1200 	case 96000:
1201 		fs = DA7213_SR_96000;
1202 		break;
1203 	default:
1204 		return -EINVAL;
1205 	}
1206 
1207 	snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_WORD_LENGTH_MASK,
1208 			    dai_ctrl);
1209 	snd_soc_component_write(component, DA7213_SR, fs);
1210 
1211 	return 0;
1212 }
1213 
1214 static int da7213_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1215 {
1216 	struct snd_soc_component *component = codec_dai->component;
1217 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1218 	u8 dai_clk_mode = 0, dai_ctrl = 0;
1219 	u8 dai_offset = 0;
1220 
1221 	/* Set master/slave mode */
1222 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1223 	case SND_SOC_DAIFMT_CBM_CFM:
1224 		da7213->master = true;
1225 		break;
1226 	case SND_SOC_DAIFMT_CBS_CFS:
1227 		da7213->master = false;
1228 		break;
1229 	default:
1230 		return -EINVAL;
1231 	}
1232 
1233 	/* Set clock normal/inverted */
1234 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1235 	case SND_SOC_DAIFMT_I2S:
1236 	case SND_SOC_DAIFMT_LEFT_J:
1237 	case SND_SOC_DAIFMT_RIGHT_J:
1238 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1239 		case SND_SOC_DAIFMT_NB_NF:
1240 			break;
1241 		case SND_SOC_DAIFMT_NB_IF:
1242 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1243 			break;
1244 		case SND_SOC_DAIFMT_IB_NF:
1245 			dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1246 			break;
1247 		case SND_SOC_DAIFMT_IB_IF:
1248 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1249 					DA7213_DAI_CLK_POL_INV;
1250 			break;
1251 		default:
1252 			return -EINVAL;
1253 		}
1254 		break;
1255 	case SND_SOC_DAI_FORMAT_DSP_A:
1256 	case SND_SOC_DAI_FORMAT_DSP_B:
1257 		/* The bclk is inverted wrt ASoC conventions */
1258 		switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1259 		case SND_SOC_DAIFMT_NB_NF:
1260 			dai_clk_mode |= DA7213_DAI_CLK_POL_INV;
1261 			break;
1262 		case SND_SOC_DAIFMT_NB_IF:
1263 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV |
1264 					DA7213_DAI_CLK_POL_INV;
1265 			break;
1266 		case SND_SOC_DAIFMT_IB_NF:
1267 			break;
1268 		case SND_SOC_DAIFMT_IB_IF:
1269 			dai_clk_mode |= DA7213_DAI_WCLK_POL_INV;
1270 			break;
1271 		default:
1272 			return -EINVAL;
1273 		}
1274 		break;
1275 	default:
1276 		return -EINVAL;
1277 	}
1278 
1279 	/* Only I2S is supported */
1280 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1281 	case SND_SOC_DAIFMT_I2S:
1282 		dai_ctrl |= DA7213_DAI_FORMAT_I2S_MODE;
1283 		break;
1284 	case SND_SOC_DAIFMT_LEFT_J:
1285 		dai_ctrl |= DA7213_DAI_FORMAT_LEFT_J;
1286 		break;
1287 	case SND_SOC_DAIFMT_RIGHT_J:
1288 		dai_ctrl |= DA7213_DAI_FORMAT_RIGHT_J;
1289 		break;
1290 	case SND_SOC_DAI_FORMAT_DSP_A: /* L data MSB after FRM LRC */
1291 		dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1292 		dai_offset = 1;
1293 		break;
1294 	case SND_SOC_DAI_FORMAT_DSP_B: /* L data MSB during FRM LRC */
1295 		dai_ctrl |= DA7213_DAI_FORMAT_DSP;
1296 		break;
1297 	default:
1298 		return -EINVAL;
1299 	}
1300 
1301 	/* By default only 64 BCLK per WCLK is supported */
1302 	dai_clk_mode |= DA7213_DAI_BCLKS_PER_WCLK_64;
1303 
1304 	snd_soc_component_update_bits(component, DA7213_DAI_CLK_MODE,
1305 			    DA7213_DAI_BCLKS_PER_WCLK_MASK |
1306 			    DA7213_DAI_CLK_POL_MASK | DA7213_DAI_WCLK_POL_MASK,
1307 			    dai_clk_mode);
1308 	snd_soc_component_update_bits(component, DA7213_DAI_CTRL, DA7213_DAI_FORMAT_MASK,
1309 			    dai_ctrl);
1310 	snd_soc_component_write(component, DA7213_DAI_OFFSET, dai_offset);
1311 
1312 	return 0;
1313 }
1314 
1315 static int da7213_mute(struct snd_soc_dai *dai, int mute)
1316 {
1317 	struct snd_soc_component *component = dai->component;
1318 
1319 	if (mute) {
1320 		snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1321 				    DA7213_MUTE_EN, DA7213_MUTE_EN);
1322 		snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1323 				    DA7213_MUTE_EN, DA7213_MUTE_EN);
1324 	} else {
1325 		snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1326 				    DA7213_MUTE_EN, 0);
1327 		snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1328 				    DA7213_MUTE_EN, 0);
1329 	}
1330 
1331 	return 0;
1332 }
1333 
1334 #define DA7213_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1335 			SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1336 
1337 static int da7213_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1338 				 int clk_id, unsigned int freq, int dir)
1339 {
1340 	struct snd_soc_component *component = codec_dai->component;
1341 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1342 	int ret = 0;
1343 
1344 	if ((da7213->clk_src == clk_id) && (da7213->mclk_rate == freq))
1345 		return 0;
1346 
1347 	if (((freq < 5000000) && (freq != 32768)) || (freq > 54000000)) {
1348 		dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1349 			freq);
1350 		return -EINVAL;
1351 	}
1352 
1353 	switch (clk_id) {
1354 	case DA7213_CLKSRC_MCLK:
1355 		snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1356 				    DA7213_PLL_MCLK_SQR_EN, 0);
1357 		break;
1358 	case DA7213_CLKSRC_MCLK_SQR:
1359 		snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1360 				    DA7213_PLL_MCLK_SQR_EN,
1361 				    DA7213_PLL_MCLK_SQR_EN);
1362 		break;
1363 	default:
1364 		dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1365 		return -EINVAL;
1366 	}
1367 
1368 	da7213->clk_src = clk_id;
1369 
1370 	if (da7213->mclk) {
1371 		freq = clk_round_rate(da7213->mclk, freq);
1372 		ret = clk_set_rate(da7213->mclk, freq);
1373 		if (ret) {
1374 			dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1375 				freq);
1376 			return ret;
1377 		}
1378 	}
1379 
1380 	da7213->mclk_rate = freq;
1381 
1382 	return 0;
1383 }
1384 
1385 /* Supported PLL input frequencies are 32KHz, 5MHz - 54MHz. */
1386 static int da7213_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1387 			      int source, unsigned int fref, unsigned int fout)
1388 {
1389 	struct snd_soc_component *component = codec_dai->component;
1390 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1391 
1392 	u8 pll_ctrl, indiv_bits, indiv;
1393 	u8 pll_frac_top, pll_frac_bot, pll_integer;
1394 	u32 freq_ref;
1395 	u64 frac_div;
1396 
1397 	/* Workout input divider based on MCLK rate */
1398 	if (da7213->mclk_rate == 32768) {
1399 		if (!da7213->master) {
1400 			dev_err(component->dev,
1401 				"32KHz only valid if codec is clock master\n");
1402 			return -EINVAL;
1403 		}
1404 
1405 		/* 32KHz PLL Mode */
1406 		indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1407 		indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1408 		source = DA7213_SYSCLK_PLL_32KHZ;
1409 		freq_ref = 3750000;
1410 
1411 	} else {
1412 		if (da7213->mclk_rate < 5000000) {
1413 			dev_err(component->dev,
1414 				"PLL input clock %d below valid range\n",
1415 				da7213->mclk_rate);
1416 			return -EINVAL;
1417 		} else if (da7213->mclk_rate <= 9000000) {
1418 			indiv_bits = DA7213_PLL_INDIV_5_TO_9_MHZ;
1419 			indiv = DA7213_PLL_INDIV_5_TO_9_MHZ_VAL;
1420 		} else if (da7213->mclk_rate <= 18000000) {
1421 			indiv_bits = DA7213_PLL_INDIV_9_TO_18_MHZ;
1422 			indiv = DA7213_PLL_INDIV_9_TO_18_MHZ_VAL;
1423 		} else if (da7213->mclk_rate <= 36000000) {
1424 			indiv_bits = DA7213_PLL_INDIV_18_TO_36_MHZ;
1425 			indiv = DA7213_PLL_INDIV_18_TO_36_MHZ_VAL;
1426 		} else if (da7213->mclk_rate <= 54000000) {
1427 			indiv_bits = DA7213_PLL_INDIV_36_TO_54_MHZ;
1428 			indiv = DA7213_PLL_INDIV_36_TO_54_MHZ_VAL;
1429 		} else {
1430 			dev_err(component->dev,
1431 				"PLL input clock %d above valid range\n",
1432 				da7213->mclk_rate);
1433 			return -EINVAL;
1434 		}
1435 		freq_ref = (da7213->mclk_rate / indiv);
1436 	}
1437 
1438 	pll_ctrl = indiv_bits;
1439 
1440 	/* Configure PLL */
1441 	switch (source) {
1442 	case DA7213_SYSCLK_MCLK:
1443 		snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1444 				    DA7213_PLL_INDIV_MASK |
1445 				    DA7213_PLL_MODE_MASK, pll_ctrl);
1446 		return 0;
1447 	case DA7213_SYSCLK_PLL:
1448 		break;
1449 	case DA7213_SYSCLK_PLL_SRM:
1450 		pll_ctrl |= DA7213_PLL_SRM_EN;
1451 		fout = DA7213_PLL_FREQ_OUT_94310400;
1452 		break;
1453 	case DA7213_SYSCLK_PLL_32KHZ:
1454 		if (da7213->mclk_rate != 32768) {
1455 			dev_err(component->dev,
1456 				"32KHz mode only valid with 32KHz MCLK\n");
1457 			return -EINVAL;
1458 		}
1459 
1460 		pll_ctrl |= DA7213_PLL_32K_MODE | DA7213_PLL_SRM_EN;
1461 		fout = DA7213_PLL_FREQ_OUT_94310400;
1462 		break;
1463 	default:
1464 		dev_err(component->dev, "Invalid PLL config\n");
1465 		return -EINVAL;
1466 	}
1467 
1468 	/* Calculate dividers for PLL */
1469 	pll_integer = fout / freq_ref;
1470 	frac_div = (u64)(fout % freq_ref) * 8192ULL;
1471 	do_div(frac_div, freq_ref);
1472 	pll_frac_top = (frac_div >> DA7213_BYTE_SHIFT) & DA7213_BYTE_MASK;
1473 	pll_frac_bot = (frac_div) & DA7213_BYTE_MASK;
1474 
1475 	/* Write PLL dividers */
1476 	snd_soc_component_write(component, DA7213_PLL_FRAC_TOP, pll_frac_top);
1477 	snd_soc_component_write(component, DA7213_PLL_FRAC_BOT, pll_frac_bot);
1478 	snd_soc_component_write(component, DA7213_PLL_INTEGER, pll_integer);
1479 
1480 	/* Enable PLL */
1481 	pll_ctrl |= DA7213_PLL_EN;
1482 	snd_soc_component_update_bits(component, DA7213_PLL_CTRL,
1483 			    DA7213_PLL_INDIV_MASK | DA7213_PLL_MODE_MASK,
1484 			    pll_ctrl);
1485 
1486 	/* Assist 32KHz mode PLL lock */
1487 	if (source == DA7213_SYSCLK_PLL_32KHZ) {
1488 		snd_soc_component_write(component, 0xF0, 0x8B);
1489 		snd_soc_component_write(component, 0xF1, 0x03);
1490 		snd_soc_component_write(component, 0xF1, 0x01);
1491 		snd_soc_component_write(component, 0xF0, 0x00);
1492 	}
1493 
1494 	return 0;
1495 }
1496 
1497 /* DAI operations */
1498 static const struct snd_soc_dai_ops da7213_dai_ops = {
1499 	.hw_params	= da7213_hw_params,
1500 	.set_fmt	= da7213_set_dai_fmt,
1501 	.set_sysclk	= da7213_set_dai_sysclk,
1502 	.set_pll	= da7213_set_dai_pll,
1503 	.digital_mute	= da7213_mute,
1504 };
1505 
1506 static struct snd_soc_dai_driver da7213_dai = {
1507 	.name = "da7213-hifi",
1508 	/* Playback Capabilities */
1509 	.playback = {
1510 		.stream_name = "Playback",
1511 		.channels_min = 1,
1512 		.channels_max = 2,
1513 		.rates = SNDRV_PCM_RATE_8000_96000,
1514 		.formats = DA7213_FORMATS,
1515 	},
1516 	/* Capture Capabilities */
1517 	.capture = {
1518 		.stream_name = "Capture",
1519 		.channels_min = 1,
1520 		.channels_max = 2,
1521 		.rates = SNDRV_PCM_RATE_8000_96000,
1522 		.formats = DA7213_FORMATS,
1523 	},
1524 	.ops = &da7213_dai_ops,
1525 	.symmetric_rates = 1,
1526 };
1527 
1528 static int da7213_set_bias_level(struct snd_soc_component *component,
1529 				 enum snd_soc_bias_level level)
1530 {
1531 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1532 	int ret;
1533 
1534 	switch (level) {
1535 	case SND_SOC_BIAS_ON:
1536 		break;
1537 	case SND_SOC_BIAS_PREPARE:
1538 		/* Enable MCLK for transition to ON state */
1539 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1540 			if (da7213->mclk) {
1541 				ret = clk_prepare_enable(da7213->mclk);
1542 				if (ret) {
1543 					dev_err(component->dev,
1544 						"Failed to enable mclk\n");
1545 					return ret;
1546 				}
1547 			}
1548 		}
1549 		break;
1550 	case SND_SOC_BIAS_STANDBY:
1551 		if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF) {
1552 			/* Enable VMID reference & master bias */
1553 			snd_soc_component_update_bits(component, DA7213_REFERENCES,
1554 					    DA7213_VMID_EN | DA7213_BIAS_EN,
1555 					    DA7213_VMID_EN | DA7213_BIAS_EN);
1556 		} else {
1557 			/* Remove MCLK */
1558 			if (da7213->mclk)
1559 				clk_disable_unprepare(da7213->mclk);
1560 		}
1561 		break;
1562 	case SND_SOC_BIAS_OFF:
1563 		/* Disable VMID reference & master bias */
1564 		snd_soc_component_update_bits(component, DA7213_REFERENCES,
1565 				    DA7213_VMID_EN | DA7213_BIAS_EN, 0);
1566 		break;
1567 	}
1568 	return 0;
1569 }
1570 
1571 #if defined(CONFIG_OF)
1572 /* DT */
1573 static const struct of_device_id da7213_of_match[] = {
1574 	{ .compatible = "dlg,da7213", },
1575 	{ }
1576 };
1577 MODULE_DEVICE_TABLE(of, da7213_of_match);
1578 #endif
1579 
1580 #ifdef CONFIG_ACPI
1581 static const struct acpi_device_id da7213_acpi_match[] = {
1582 	{ "DLGS7212", 0},
1583 	{ "DLGS7213", 0},
1584 	{ },
1585 };
1586 MODULE_DEVICE_TABLE(acpi, da7213_acpi_match);
1587 #endif
1588 
1589 static enum da7213_micbias_voltage
1590 	da7213_of_micbias_lvl(struct snd_soc_component *component, u32 val)
1591 {
1592 	switch (val) {
1593 	case 1600:
1594 		return DA7213_MICBIAS_1_6V;
1595 	case 2200:
1596 		return DA7213_MICBIAS_2_2V;
1597 	case 2500:
1598 		return DA7213_MICBIAS_2_5V;
1599 	case 3000:
1600 		return DA7213_MICBIAS_3_0V;
1601 	default:
1602 		dev_warn(component->dev, "Invalid micbias level\n");
1603 		return DA7213_MICBIAS_2_2V;
1604 	}
1605 }
1606 
1607 static enum da7213_dmic_data_sel
1608 	da7213_of_dmic_data_sel(struct snd_soc_component *component, const char *str)
1609 {
1610 	if (!strcmp(str, "lrise_rfall")) {
1611 		return DA7213_DMIC_DATA_LRISE_RFALL;
1612 	} else if (!strcmp(str, "lfall_rrise")) {
1613 		return DA7213_DMIC_DATA_LFALL_RRISE;
1614 	} else {
1615 		dev_warn(component->dev, "Invalid DMIC data select type\n");
1616 		return DA7213_DMIC_DATA_LRISE_RFALL;
1617 	}
1618 }
1619 
1620 static enum da7213_dmic_samplephase
1621 	da7213_of_dmic_samplephase(struct snd_soc_component *component, const char *str)
1622 {
1623 	if (!strcmp(str, "on_clkedge")) {
1624 		return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1625 	} else if (!strcmp(str, "between_clkedge")) {
1626 		return DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE;
1627 	} else {
1628 		dev_warn(component->dev, "Invalid DMIC sample phase\n");
1629 		return DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1630 	}
1631 }
1632 
1633 static enum da7213_dmic_clk_rate
1634 	da7213_of_dmic_clkrate(struct snd_soc_component *component, u32 val)
1635 {
1636 	switch (val) {
1637 	case 1500000:
1638 		return DA7213_DMIC_CLK_1_5MHZ;
1639 	case 3000000:
1640 		return DA7213_DMIC_CLK_3_0MHZ;
1641 	default:
1642 		dev_warn(component->dev, "Invalid DMIC clock rate\n");
1643 		return DA7213_DMIC_CLK_1_5MHZ;
1644 	}
1645 }
1646 
1647 static struct da7213_platform_data
1648 	*da7213_fw_to_pdata(struct snd_soc_component *component)
1649 {
1650 	struct device *dev = component->dev;
1651 	struct da7213_platform_data *pdata;
1652 	const char *fw_str;
1653 	u32 fw_val32;
1654 
1655 	pdata = devm_kzalloc(component->dev, sizeof(*pdata), GFP_KERNEL);
1656 	if (!pdata)
1657 		return NULL;
1658 
1659 	if (device_property_read_u32(dev, "dlg,micbias1-lvl", &fw_val32) >= 0)
1660 		pdata->micbias1_lvl = da7213_of_micbias_lvl(component, fw_val32);
1661 	else
1662 		pdata->micbias1_lvl = DA7213_MICBIAS_2_2V;
1663 
1664 	if (device_property_read_u32(dev, "dlg,micbias2-lvl", &fw_val32) >= 0)
1665 		pdata->micbias2_lvl = da7213_of_micbias_lvl(component, fw_val32);
1666 	else
1667 		pdata->micbias2_lvl = DA7213_MICBIAS_2_2V;
1668 
1669 	if (!device_property_read_string(dev, "dlg,dmic-data-sel", &fw_str))
1670 		pdata->dmic_data_sel = da7213_of_dmic_data_sel(component, fw_str);
1671 	else
1672 		pdata->dmic_data_sel = DA7213_DMIC_DATA_LRISE_RFALL;
1673 
1674 	if (!device_property_read_string(dev, "dlg,dmic-samplephase", &fw_str))
1675 		pdata->dmic_samplephase =
1676 			da7213_of_dmic_samplephase(component, fw_str);
1677 	else
1678 		pdata->dmic_samplephase = DA7213_DMIC_SAMPLE_ON_CLKEDGE;
1679 
1680 	if (device_property_read_u32(dev, "dlg,dmic-clkrate", &fw_val32) >= 0)
1681 		pdata->dmic_clk_rate = da7213_of_dmic_clkrate(component, fw_val32);
1682 	else
1683 		pdata->dmic_clk_rate = DA7213_DMIC_CLK_3_0MHZ;
1684 
1685 	return pdata;
1686 }
1687 
1688 
1689 static int da7213_probe(struct snd_soc_component *component)
1690 {
1691 	struct da7213_priv *da7213 = snd_soc_component_get_drvdata(component);
1692 
1693 	/* Default to using ALC auto offset calibration mode. */
1694 	snd_soc_component_update_bits(component, DA7213_ALC_CTRL1,
1695 			    DA7213_ALC_CALIB_MODE_MAN, 0);
1696 	da7213->alc_calib_auto = true;
1697 
1698 	/* Default PC counter to free-running */
1699 	snd_soc_component_update_bits(component, DA7213_PC_COUNT, DA7213_PC_FREERUN_MASK,
1700 			    DA7213_PC_FREERUN_MASK);
1701 
1702 	/* Enable all Gain Ramps */
1703 	snd_soc_component_update_bits(component, DA7213_AUX_L_CTRL,
1704 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1705 	snd_soc_component_update_bits(component, DA7213_AUX_R_CTRL,
1706 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1707 	snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1708 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1709 	snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1710 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1711 	snd_soc_component_update_bits(component, DA7213_ADC_L_CTRL,
1712 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1713 	snd_soc_component_update_bits(component, DA7213_ADC_R_CTRL,
1714 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1715 	snd_soc_component_update_bits(component, DA7213_DAC_L_CTRL,
1716 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1717 	snd_soc_component_update_bits(component, DA7213_DAC_R_CTRL,
1718 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1719 	snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
1720 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1721 	snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
1722 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1723 	snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
1724 			    DA7213_GAIN_RAMP_EN, DA7213_GAIN_RAMP_EN);
1725 
1726 	/*
1727 	 * There are two separate control bits for input and output mixers as
1728 	 * well as headphone and line outs.
1729 	 * One to enable corresponding amplifier and other to enable its
1730 	 * output. As amplifier bits are related to power control, they are
1731 	 * being managed by DAPM while other (non power related) bits are
1732 	 * enabled here
1733 	 */
1734 	snd_soc_component_update_bits(component, DA7213_MIXIN_L_CTRL,
1735 			    DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1736 	snd_soc_component_update_bits(component, DA7213_MIXIN_R_CTRL,
1737 			    DA7213_MIXIN_MIX_EN, DA7213_MIXIN_MIX_EN);
1738 
1739 	snd_soc_component_update_bits(component, DA7213_MIXOUT_L_CTRL,
1740 			    DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1741 	snd_soc_component_update_bits(component, DA7213_MIXOUT_R_CTRL,
1742 			    DA7213_MIXOUT_MIX_EN, DA7213_MIXOUT_MIX_EN);
1743 
1744 	snd_soc_component_update_bits(component, DA7213_HP_L_CTRL,
1745 			    DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1746 	snd_soc_component_update_bits(component, DA7213_HP_R_CTRL,
1747 			    DA7213_HP_AMP_OE, DA7213_HP_AMP_OE);
1748 
1749 	snd_soc_component_update_bits(component, DA7213_LINE_CTRL,
1750 			    DA7213_LINE_AMP_OE, DA7213_LINE_AMP_OE);
1751 
1752 	/* Handle DT/Platform data */
1753 	da7213->pdata = dev_get_platdata(component->dev);
1754 	if (!da7213->pdata)
1755 		da7213->pdata = da7213_fw_to_pdata(component);
1756 
1757 	/* Set platform data values */
1758 	if (da7213->pdata) {
1759 		struct da7213_platform_data *pdata = da7213->pdata;
1760 		u8 micbias_lvl = 0, dmic_cfg = 0;
1761 
1762 		/* Set Mic Bias voltages */
1763 		switch (pdata->micbias1_lvl) {
1764 		case DA7213_MICBIAS_1_6V:
1765 		case DA7213_MICBIAS_2_2V:
1766 		case DA7213_MICBIAS_2_5V:
1767 		case DA7213_MICBIAS_3_0V:
1768 			micbias_lvl |= (pdata->micbias1_lvl <<
1769 					DA7213_MICBIAS1_LEVEL_SHIFT);
1770 			break;
1771 		}
1772 		switch (pdata->micbias2_lvl) {
1773 		case DA7213_MICBIAS_1_6V:
1774 		case DA7213_MICBIAS_2_2V:
1775 		case DA7213_MICBIAS_2_5V:
1776 		case DA7213_MICBIAS_3_0V:
1777 			micbias_lvl |= (pdata->micbias2_lvl <<
1778 					 DA7213_MICBIAS2_LEVEL_SHIFT);
1779 			break;
1780 		}
1781 		snd_soc_component_update_bits(component, DA7213_MICBIAS_CTRL,
1782 				    DA7213_MICBIAS1_LEVEL_MASK |
1783 				    DA7213_MICBIAS2_LEVEL_MASK, micbias_lvl);
1784 
1785 		/* Set DMIC configuration */
1786 		switch (pdata->dmic_data_sel) {
1787 		case DA7213_DMIC_DATA_LFALL_RRISE:
1788 		case DA7213_DMIC_DATA_LRISE_RFALL:
1789 			dmic_cfg |= (pdata->dmic_data_sel <<
1790 				     DA7213_DMIC_DATA_SEL_SHIFT);
1791 			break;
1792 		}
1793 		switch (pdata->dmic_samplephase) {
1794 		case DA7213_DMIC_SAMPLE_ON_CLKEDGE:
1795 		case DA7213_DMIC_SAMPLE_BETWEEN_CLKEDGE:
1796 			dmic_cfg |= (pdata->dmic_samplephase <<
1797 				     DA7213_DMIC_SAMPLEPHASE_SHIFT);
1798 			break;
1799 		}
1800 		switch (pdata->dmic_clk_rate) {
1801 		case DA7213_DMIC_CLK_3_0MHZ:
1802 		case DA7213_DMIC_CLK_1_5MHZ:
1803 			dmic_cfg |= (pdata->dmic_clk_rate <<
1804 				     DA7213_DMIC_CLK_RATE_SHIFT);
1805 			break;
1806 		}
1807 		snd_soc_component_update_bits(component, DA7213_MIC_CONFIG,
1808 				    DA7213_DMIC_DATA_SEL_MASK |
1809 				    DA7213_DMIC_SAMPLEPHASE_MASK |
1810 				    DA7213_DMIC_CLK_RATE_MASK, dmic_cfg);
1811 	}
1812 
1813 	/* Check if MCLK provided */
1814 	da7213->mclk = devm_clk_get(component->dev, "mclk");
1815 	if (IS_ERR(da7213->mclk)) {
1816 		if (PTR_ERR(da7213->mclk) != -ENOENT)
1817 			return PTR_ERR(da7213->mclk);
1818 		else
1819 			da7213->mclk = NULL;
1820 	}
1821 
1822 	return 0;
1823 }
1824 
1825 static const struct snd_soc_component_driver soc_component_dev_da7213 = {
1826 	.probe			= da7213_probe,
1827 	.set_bias_level		= da7213_set_bias_level,
1828 	.controls		= da7213_snd_controls,
1829 	.num_controls		= ARRAY_SIZE(da7213_snd_controls),
1830 	.dapm_widgets		= da7213_dapm_widgets,
1831 	.num_dapm_widgets	= ARRAY_SIZE(da7213_dapm_widgets),
1832 	.dapm_routes		= da7213_audio_map,
1833 	.num_dapm_routes	= ARRAY_SIZE(da7213_audio_map),
1834 	.idle_bias_on		= 1,
1835 	.use_pmdown_time	= 1,
1836 	.endianness		= 1,
1837 	.non_legacy_dai_naming	= 1,
1838 };
1839 
1840 static const struct regmap_config da7213_regmap_config = {
1841 	.reg_bits = 8,
1842 	.val_bits = 8,
1843 
1844 	.reg_defaults = da7213_reg_defaults,
1845 	.num_reg_defaults = ARRAY_SIZE(da7213_reg_defaults),
1846 	.volatile_reg = da7213_volatile_register,
1847 	.cache_type = REGCACHE_RBTREE,
1848 };
1849 
1850 static int da7213_i2c_probe(struct i2c_client *i2c,
1851 			    const struct i2c_device_id *id)
1852 {
1853 	struct da7213_priv *da7213;
1854 	int ret;
1855 
1856 	da7213 = devm_kzalloc(&i2c->dev, sizeof(*da7213), GFP_KERNEL);
1857 	if (!da7213)
1858 		return -ENOMEM;
1859 
1860 	i2c_set_clientdata(i2c, da7213);
1861 
1862 	da7213->regmap = devm_regmap_init_i2c(i2c, &da7213_regmap_config);
1863 	if (IS_ERR(da7213->regmap)) {
1864 		ret = PTR_ERR(da7213->regmap);
1865 		dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1866 		return ret;
1867 	}
1868 
1869 	ret = devm_snd_soc_register_component(&i2c->dev,
1870 			&soc_component_dev_da7213, &da7213_dai, 1);
1871 	if (ret < 0) {
1872 		dev_err(&i2c->dev, "Failed to register da7213 component: %d\n",
1873 			ret);
1874 	}
1875 	return ret;
1876 }
1877 
1878 static const struct i2c_device_id da7213_i2c_id[] = {
1879 	{ "da7213", 0 },
1880 	{ }
1881 };
1882 MODULE_DEVICE_TABLE(i2c, da7213_i2c_id);
1883 
1884 /* I2C codec control layer */
1885 static struct i2c_driver da7213_i2c_driver = {
1886 	.driver = {
1887 		.name = "da7213",
1888 		.of_match_table = of_match_ptr(da7213_of_match),
1889 		.acpi_match_table = ACPI_PTR(da7213_acpi_match),
1890 	},
1891 	.probe		= da7213_i2c_probe,
1892 	.id_table	= da7213_i2c_id,
1893 };
1894 
1895 module_i2c_driver(da7213_i2c_driver);
1896 
1897 MODULE_DESCRIPTION("ASoC DA7213 Codec driver");
1898 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1899 MODULE_LICENSE("GPL");
1900