~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

TOMOYO Linux Cross Reference
Linux/sound/soc/codecs/da7219.c

Version: ~ [ linux-5.9-rc5 ] ~ [ linux-5.8.10 ] ~ [ linux-5.7.19 ] ~ [ linux-5.6.19 ] ~ [ linux-5.5.19 ] ~ [ linux-5.4.66 ] ~ [ linux-5.3.18 ] ~ [ linux-5.2.21 ] ~ [ linux-5.1.21 ] ~ [ linux-5.0.21 ] ~ [ linux-4.20.17 ] ~ [ linux-4.19.146 ] ~ [ linux-4.18.20 ] ~ [ linux-4.17.19 ] ~ [ linux-4.16.18 ] ~ [ linux-4.15.18 ] ~ [ linux-4.14.198 ] ~ [ linux-4.13.16 ] ~ [ linux-4.12.14 ] ~ [ linux-4.11.12 ] ~ [ linux-4.10.17 ] ~ [ linux-4.9.236 ] ~ [ linux-4.8.17 ] ~ [ linux-4.7.10 ] ~ [ linux-4.6.7 ] ~ [ linux-4.5.7 ] ~ [ linux-4.4.236 ] ~ [ linux-4.3.6 ] ~ [ linux-4.2.8 ] ~ [ linux-4.1.52 ] ~ [ linux-4.0.9 ] ~ [ linux-3.19.8 ] ~ [ linux-3.18.140 ] ~ [ linux-3.17.8 ] ~ [ linux-3.16.85 ] ~ [ linux-3.15.10 ] ~ [ linux-3.14.79 ] ~ [ linux-3.13.11 ] ~ [ linux-3.12.74 ] ~ [ linux-3.11.10 ] ~ [ linux-3.10.108 ] ~ [ linux-2.6.32.71 ] ~ [ linux-2.6.0 ] ~ [ linux-2.4.37.11 ] ~ [ unix-v6-master ] ~ [ ccs-tools-1.8.5 ] ~ [ policy-sample ] ~
Architecture: ~ [ i386 ] ~ [ alpha ] ~ [ m68k ] ~ [ mips ] ~ [ ppc ] ~ [ sparc ] ~ [ sparc64 ] ~

  1 /*
  2  * da7219.c - DA7219 ALSA SoC Codec Driver
  3  *
  4  * Copyright (c) 2015 Dialog Semiconductor
  5  *
  6  * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
  7  *
  8  * This program is free software; you can redistribute  it and/or modify it
  9  * under  the terms of  the GNU General  Public License as published by the
 10  * Free Software Foundation;  either version 2 of the  License, or (at your
 11  * option) any later version.
 12  */
 13 
 14 #include <linux/acpi.h>
 15 #include <linux/clk.h>
 16 #include <linux/i2c.h>
 17 #include <linux/of_device.h>
 18 #include <linux/regmap.h>
 19 #include <linux/slab.h>
 20 #include <linux/pm.h>
 21 #include <linux/module.h>
 22 #include <linux/delay.h>
 23 #include <linux/regulator/consumer.h>
 24 #include <sound/pcm.h>
 25 #include <sound/pcm_params.h>
 26 #include <sound/soc.h>
 27 #include <sound/soc-dapm.h>
 28 #include <sound/initval.h>
 29 #include <sound/tlv.h>
 30 #include <asm/div64.h>
 31 
 32 #include <sound/da7219.h>
 33 #include "da7219.h"
 34 #include "da7219-aad.h"
 35 
 36 
 37 /*
 38  * TLVs and Enums
 39  */
 40 
 41 /* Input TLVs */
 42 static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
 43 static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
 44 static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
 45 static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
 46 static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
 47 static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
 48 static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
 49 static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
 50 
 51 /* Output TLVs */
 52 static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
 53 
 54 static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
 55         0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
 56         /* -77.25dB to 12dB */
 57         0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
 58 );
 59 
 60 static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
 61 static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
 62 
 63 /* Input Enums */
 64 static const char * const da7219_alc_attack_rate_txt[] = {
 65         "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
 66         "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
 67         "30024/fs"
 68 };
 69 
 70 static const struct soc_enum da7219_alc_attack_rate =
 71         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
 72                         DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
 73 
 74 static const char * const da7219_alc_release_rate_txt[] = {
 75         "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
 76         "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
 77 };
 78 
 79 static const struct soc_enum da7219_alc_release_rate =
 80         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
 81                         DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
 82 
 83 static const char * const da7219_alc_hold_time_txt[] = {
 84         "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
 85         "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
 86         "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
 87 };
 88 
 89 static const struct soc_enum da7219_alc_hold_time =
 90         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
 91                         DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
 92 
 93 static const char * const da7219_alc_env_rate_txt[] = {
 94         "1/4", "1/16", "1/256", "1/65536"
 95 };
 96 
 97 static const struct soc_enum da7219_alc_env_attack_rate =
 98         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
 99                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
100 
101 static const struct soc_enum da7219_alc_env_release_rate =
102         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
103                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
104 
105 static const char * const da7219_alc_anticlip_step_txt[] = {
106         "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
107 };
108 
109 static const struct soc_enum da7219_alc_anticlip_step =
110         SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
111                         DA7219_ALC_ANTICLIP_STEP_SHIFT,
112                         DA7219_ALC_ANTICLIP_STEP_MAX,
113                         da7219_alc_anticlip_step_txt);
114 
115 /* Input/Output Enums */
116 static const char * const da7219_gain_ramp_rate_txt[] = {
117         "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
118         "Nominal Rate / 16"
119 };
120 
121 static const struct soc_enum da7219_gain_ramp_rate =
122         SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
123                         DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
124 
125 static const char * const da7219_hpf_mode_txt[] = {
126         "Disabled", "Audio", "Voice"
127 };
128 
129 static const unsigned int da7219_hpf_mode_val[] = {
130         DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
131 };
132 
133 static const struct soc_enum da7219_adc_hpf_mode =
134         SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
135                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
136                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
137 
138 static const struct soc_enum da7219_dac_hpf_mode =
139         SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
140                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
141                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
142 
143 static const char * const da7219_audio_hpf_corner_txt[] = {
144         "2Hz", "4Hz", "8Hz", "16Hz"
145 };
146 
147 static const struct soc_enum da7219_adc_audio_hpf_corner =
148         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
149                         DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
150                         DA7219_AUDIO_HPF_CORNER_MAX,
151                         da7219_audio_hpf_corner_txt);
152 
153 static const struct soc_enum da7219_dac_audio_hpf_corner =
154         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
155                         DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
156                         DA7219_AUDIO_HPF_CORNER_MAX,
157                         da7219_audio_hpf_corner_txt);
158 
159 static const char * const da7219_voice_hpf_corner_txt[] = {
160         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
161 };
162 
163 static const struct soc_enum da7219_adc_voice_hpf_corner =
164         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
165                         DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
166                         DA7219_VOICE_HPF_CORNER_MAX,
167                         da7219_voice_hpf_corner_txt);
168 
169 static const struct soc_enum da7219_dac_voice_hpf_corner =
170         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
171                         DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
172                         DA7219_VOICE_HPF_CORNER_MAX,
173                         da7219_voice_hpf_corner_txt);
174 
175 static const char * const da7219_tonegen_dtmf_key_txt[] = {
176         "", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
177         "*", "#"
178 };
179 
180 static const struct soc_enum da7219_tonegen_dtmf_key =
181         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
182                         DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
183 
184 static const char * const da7219_tonegen_swg_sel_txt[] = {
185         "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
186 };
187 
188 static const struct soc_enum da7219_tonegen_swg_sel =
189         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
190                         DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
191 
192 /* Output Enums */
193 static const char * const da7219_dac_softmute_rate_txt[] = {
194         "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
195         "32 Samples", "64 Samples"
196 };
197 
198 static const struct soc_enum da7219_dac_softmute_rate =
199         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
200                         DA7219_DAC_SOFTMUTE_RATE_MAX,
201                         da7219_dac_softmute_rate_txt);
202 
203 static const char * const da7219_dac_ng_setup_time_txt[] = {
204         "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
205 };
206 
207 static const struct soc_enum da7219_dac_ng_setup_time =
208         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
209                         DA7219_DAC_NG_SETUP_TIME_SHIFT,
210                         DA7219_DAC_NG_SETUP_TIME_MAX,
211                         da7219_dac_ng_setup_time_txt);
212 
213 static const char * const da7219_dac_ng_rampup_txt[] = {
214         "0.22ms/dB", "0.0138ms/dB"
215 };
216 
217 static const struct soc_enum da7219_dac_ng_rampup_rate =
218         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
219                         DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
220                         DA7219_DAC_NG_RAMP_RATE_MAX,
221                         da7219_dac_ng_rampup_txt);
222 
223 static const char * const da7219_dac_ng_rampdown_txt[] = {
224         "0.88ms/dB", "14.08ms/dB"
225 };
226 
227 static const struct soc_enum da7219_dac_ng_rampdown_rate =
228         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
229                         DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
230                         DA7219_DAC_NG_RAMP_RATE_MAX,
231                         da7219_dac_ng_rampdown_txt);
232 
233 
234 static const char * const da7219_cp_track_mode_txt[] = {
235         "Largest Volume", "DAC Volume", "Signal Magnitude"
236 };
237 
238 static const unsigned int da7219_cp_track_mode_val[] = {
239         DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
240         DA7219_CP_MCHANGE_SIG_MAG
241 };
242 
243 static const struct soc_enum da7219_cp_track_mode =
244         SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
245                               DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
246                               da7219_cp_track_mode_txt,
247                               da7219_cp_track_mode_val);
248 
249 
250 /*
251  * Control Functions
252  */
253 
254 /* Locked Kcontrol calls */
255 static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
256                                    struct snd_ctl_elem_value *ucontrol)
257 {
258         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
259         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
260         int ret;
261 
262         mutex_lock(&da7219->lock);
263         ret = snd_soc_get_volsw(kcontrol, ucontrol);
264         mutex_unlock(&da7219->lock);
265 
266         return ret;
267 }
268 
269 static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
270                                    struct snd_ctl_elem_value *ucontrol)
271 {
272         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
273         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
274         int ret;
275 
276         mutex_lock(&da7219->lock);
277         ret = snd_soc_put_volsw(kcontrol, ucontrol);
278         mutex_unlock(&da7219->lock);
279 
280         return ret;
281 }
282 
283 static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
284                                 struct snd_ctl_elem_value *ucontrol)
285 {
286         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
287         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
288         int ret;
289 
290         mutex_lock(&da7219->lock);
291         ret = snd_soc_get_enum_double(kcontrol, ucontrol);
292         mutex_unlock(&da7219->lock);
293 
294         return ret;
295 }
296 
297 static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
298                                 struct snd_ctl_elem_value *ucontrol)
299 {
300         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
301         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
302         int ret;
303 
304         mutex_lock(&da7219->lock);
305         ret = snd_soc_put_enum_double(kcontrol, ucontrol);
306         mutex_unlock(&da7219->lock);
307 
308         return ret;
309 }
310 
311 /* ALC */
312 static void da7219_alc_calib(struct snd_soc_codec *codec)
313 {
314         u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
315 
316         /* Save current state of mic control register */
317         mic_ctrl = snd_soc_read(codec, DA7219_MIC_1_CTRL);
318 
319         /* Save current state of input mixer control register */
320         mixin_ctrl = snd_soc_read(codec, DA7219_MIXIN_L_CTRL);
321 
322         /* Save current state of input ADC control register */
323         adc_ctrl = snd_soc_read(codec, DA7219_ADC_L_CTRL);
324 
325         /* Enable then Mute MIC PGAs */
326         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
327                             DA7219_MIC_1_AMP_EN_MASK);
328         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL,
329                             DA7219_MIC_1_AMP_MUTE_EN_MASK,
330                             DA7219_MIC_1_AMP_MUTE_EN_MASK);
331 
332         /* Enable input mixers unmuted */
333         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
334                             DA7219_MIXIN_L_AMP_EN_MASK |
335                             DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
336                             DA7219_MIXIN_L_AMP_EN_MASK);
337 
338         /* Enable input filters unmuted */
339         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL,
340                             DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
341                             DA7219_ADC_L_EN_MASK);
342 
343         /* Perform auto calibration */
344         snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
345                             DA7219_ALC_AUTO_CALIB_EN_MASK,
346                             DA7219_ALC_AUTO_CALIB_EN_MASK);
347         do {
348                 calib_ctrl = snd_soc_read(codec, DA7219_ALC_CTRL1);
349         } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
350 
351         /* If auto calibration fails, disable DC offset, hybrid ALC */
352         if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
353                 dev_warn(codec->dev,
354                          "ALC auto calibration failed with overflow\n");
355                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
356                                     DA7219_ALC_OFFSET_EN_MASK |
357                                     DA7219_ALC_SYNC_MODE_MASK, 0);
358         } else {
359                 /* Enable DC offset cancellation, hybrid mode */
360                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
361                                     DA7219_ALC_OFFSET_EN_MASK |
362                                     DA7219_ALC_SYNC_MODE_MASK,
363                                     DA7219_ALC_OFFSET_EN_MASK |
364                                     DA7219_ALC_SYNC_MODE_MASK);
365         }
366 
367         /* Restore input filter control register to original state */
368         snd_soc_write(codec, DA7219_ADC_L_CTRL, adc_ctrl);
369 
370         /* Restore input mixer control registers to original state */
371         snd_soc_write(codec, DA7219_MIXIN_L_CTRL, mixin_ctrl);
372 
373         /* Restore MIC control registers to original states */
374         snd_soc_write(codec, DA7219_MIC_1_CTRL, mic_ctrl);
375 }
376 
377 static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
378                                  struct snd_ctl_elem_value *ucontrol)
379 {
380         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
381         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
382         int ret;
383 
384         ret = snd_soc_put_volsw(kcontrol, ucontrol);
385 
386         /*
387          * If ALC in operation and value of control has been updated,
388          * make sure calibrated offsets are updated.
389          */
390         if ((ret == 1) && (da7219->alc_en))
391                 da7219_alc_calib(codec);
392 
393         return ret;
394 }
395 
396 static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
397                              struct snd_ctl_elem_value *ucontrol)
398 {
399         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
400         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
401 
402 
403         /* Force ALC offset calibration if enabling ALC */
404         if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
405                 da7219_alc_calib(codec);
406                 da7219->alc_en = true;
407         } else {
408                 da7219->alc_en = false;
409         }
410 
411         return snd_soc_put_volsw(kcontrol, ucontrol);
412 }
413 
414 /* ToneGen */
415 static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
416                                    struct snd_ctl_elem_value *ucontrol)
417 {
418         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
419         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
420         struct soc_mixer_control *mixer_ctrl =
421                 (struct soc_mixer_control *) kcontrol->private_value;
422         unsigned int reg = mixer_ctrl->reg;
423         u16 val;
424         int ret;
425 
426         mutex_lock(&da7219->lock);
427         ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
428         mutex_unlock(&da7219->lock);
429 
430         if (ret)
431                 return ret;
432 
433         /*
434          * Frequency value spans two 8-bit registers, lower then upper byte.
435          * Therefore we need to convert to host endianness here.
436          */
437         ucontrol->value.integer.value[0] = le16_to_cpu(val);
438 
439         return 0;
440 }
441 
442 static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
443                                    struct snd_ctl_elem_value *ucontrol)
444 {
445         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
446         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
447         struct soc_mixer_control *mixer_ctrl =
448                 (struct soc_mixer_control *) kcontrol->private_value;
449         unsigned int reg = mixer_ctrl->reg;
450         u16 val;
451         int ret;
452 
453         /*
454          * Frequency value spans two 8-bit registers, lower then upper byte.
455          * Therefore we need to convert to little endian here to align with
456          * HW registers.
457          */
458         val = cpu_to_le16(ucontrol->value.integer.value[0]);
459 
460         mutex_lock(&da7219->lock);
461         ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
462         mutex_unlock(&da7219->lock);
463 
464         return ret;
465 }
466 
467 
468 /*
469  * KControls
470  */
471 
472 static const struct snd_kcontrol_new da7219_snd_controls[] = {
473         /* Mics */
474         SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
475                        DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
476                        DA7219_NO_INVERT, da7219_mic_gain_tlv),
477         SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
478                    DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
479                    DA7219_INVERT),
480 
481         /* Mixer Input */
482         SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
483                            DA7219_MIXIN_L_AMP_GAIN_SHIFT,
484                            DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
485                            snd_soc_get_volsw, da7219_mixin_gain_put,
486                            da7219_mixin_gain_tlv),
487         SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
488                    DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
489                    DA7219_INVERT),
490         SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
491                    DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
492                    DA7219_NO_INVERT),
493         SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
494                    DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
495                    DA7219_NO_INVERT),
496 
497         /* ADC */
498         SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
499                        DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
500                        DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
501                        da7219_adc_dig_gain_tlv),
502         SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
503                    DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
504                    DA7219_INVERT),
505         SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
506                    DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
507                    DA7219_NO_INVERT),
508 
509         /* ALC */
510         SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
511         SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
512         SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
513         SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
514         SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
515         SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
516                        DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
517                        DA7219_INVERT, da7219_alc_threshold_tlv),
518         SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
519                        DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
520                        DA7219_INVERT, da7219_alc_threshold_tlv),
521         SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
522                        DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
523                        DA7219_INVERT, da7219_alc_threshold_tlv),
524         SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
525                        DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
526                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
527         SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
528                        DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
529                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
530         SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
531                              DA7219_ALC_ANA_GAIN_MIN_SHIFT,
532                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
533                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
534         SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
535                              DA7219_ALC_ANA_GAIN_MAX_SHIFT,
536                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
537                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
538         SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
539         SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
540                    DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
541                    DA7219_NO_INVERT),
542         SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
543                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
544                        snd_soc_get_volsw, da7219_alc_sw_put),
545 
546         /* Input High-Pass Filters */
547         SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
548         SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
549         SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
550 
551         /* Sidetone Filter */
552         SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
553                        DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
554                        DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
555         SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
556                    DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
557                    DA7219_INVERT),
558 
559         /* Tone Generator */
560         SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
561                            DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
562                            DA7219_NO_INVERT, da7219_volsw_locked_get,
563                            da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
564         SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
565                      da7219_enum_locked_get, da7219_enum_locked_put),
566         SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
567                        DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
568                        DA7219_NO_INVERT, da7219_volsw_locked_get,
569                        da7219_volsw_locked_put),
570         SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
571                      da7219_enum_locked_get, da7219_enum_locked_put),
572         SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
573                        DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
574                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
575         SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
576                        DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
577                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
578         SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
579                        DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
580                        DA7219_NO_INVERT, da7219_volsw_locked_get,
581                        da7219_volsw_locked_put),
582         SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
583                    DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
584                    DA7219_NO_INVERT),
585 
586         /* Gain ramping */
587         SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
588 
589         /* DAC High-Pass Filter */
590         SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
591                      da7219_enum_locked_get, da7219_enum_locked_put),
592         SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
593         SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
594 
595         /* DAC 5-Band Equaliser */
596         SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
597                        DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
598                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
599         SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
600                        DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
601                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
602         SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
603                        DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
604                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
605         SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
606                        DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
607                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
608         SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
609                        DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
610                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
611         SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
612                        DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
613                        DA7219_NO_INVERT, da7219_volsw_locked_get,
614                        da7219_volsw_locked_put),
615 
616         /* DAC Softmute */
617         SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
618         SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
619                        DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
620                        DA7219_NO_INVERT, da7219_volsw_locked_get,
621                        da7219_volsw_locked_put),
622 
623         /* DAC Noise Gate */
624         SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
625         SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
626         SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
627         SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
628                        DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
629                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
630                        da7219_dac_ng_threshold_tlv),
631         SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
632                        DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
633                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
634                        da7219_dac_ng_threshold_tlv),
635         SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
636                    DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
637 
638         /* DACs */
639         SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
640                              DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
641                              DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
642                              da7219_volsw_locked_get, da7219_volsw_locked_put,
643                              da7219_dac_dig_gain_tlv),
644         SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
645                          DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
646                          DA7219_SWITCH_EN_MAX, DA7219_INVERT,
647                          da7219_volsw_locked_get, da7219_volsw_locked_put),
648         SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
649                      DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
650                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
651 
652         /* CP */
653         SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
654         SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
655                    DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
656                    DA7219_NO_INVERT),
657 
658         /* Headphones */
659         SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
660                              DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
661                              DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
662                              da7219_volsw_locked_get, da7219_volsw_locked_put,
663                              da7219_hp_gain_tlv),
664         SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
665                          DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
666                          DA7219_INVERT, da7219_volsw_locked_get,
667                          da7219_volsw_locked_put),
668         SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
669                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
670                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
671         SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
672                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
673                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
674 };
675 
676 
677 /*
678  * DAPM Mux Controls
679  */
680 
681 static const char * const da7219_out_sel_txt[] = {
682         "ADC", "Tone Generator", "DAIL", "DAIR"
683 };
684 
685 static const struct soc_enum da7219_out_dail_sel =
686         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
687                         DA7219_DAI_L_SRC_SHIFT,
688                         DA7219_OUT_SRC_MAX,
689                         da7219_out_sel_txt);
690 
691 static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
692         SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
693 
694 static const struct soc_enum da7219_out_dair_sel =
695         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
696                         DA7219_DAI_R_SRC_SHIFT,
697                         DA7219_OUT_SRC_MAX,
698                         da7219_out_sel_txt);
699 
700 static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
701         SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
702 
703 static const struct soc_enum da7219_out_dacl_sel =
704         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
705                         DA7219_DAC_L_SRC_SHIFT,
706                         DA7219_OUT_SRC_MAX,
707                         da7219_out_sel_txt);
708 
709 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
710         SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
711 
712 static const struct soc_enum da7219_out_dacr_sel =
713         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
714                         DA7219_DAC_R_SRC_SHIFT,
715                         DA7219_OUT_SRC_MAX,
716                         da7219_out_sel_txt);
717 
718 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
719         SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
720 
721 
722 /*
723  * DAPM Mixer Controls
724  */
725 
726 static const struct snd_kcontrol_new da7219_mixin_controls[] = {
727         SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
728                         DA7219_MIXIN_L_MIX_SELECT_SHIFT,
729                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
730 };
731 
732 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
733         SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
734                         DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
735                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
736 };
737 
738 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
739         SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
740                         DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
741                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
742 };
743 
744 #define DA7219_DMIX_ST_CTRLS(reg)                                       \
745         SOC_DAPM_SINGLE("Out FilterL Switch", reg,                      \
746                         DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT,             \
747                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
748         SOC_DAPM_SINGLE("Out FilterR Switch", reg,                      \
749                         DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT,             \
750                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
751         SOC_DAPM_SINGLE("Sidetone Switch", reg,                         \
752                         DA7219_DMIX_ST_SRC_SIDETONE_SHIFT,              \
753                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT)         \
754 
755 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
756         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
757 };
758 
759 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
760         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
761 };
762 
763 
764 /*
765  * DAPM Events
766  */
767 
768 static int da7219_dai_event(struct snd_soc_dapm_widget *w,
769                             struct snd_kcontrol *kcontrol, int event)
770 {
771         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
772         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
773         u8 pll_ctrl, pll_status;
774         int i = 0;
775         bool srm_lock = false;
776 
777         switch (event) {
778         case SND_SOC_DAPM_PRE_PMU:
779                 if (da7219->master)
780                         /* Enable DAI clks for master mode */
781                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
782                                             DA7219_DAI_CLK_EN_MASK,
783                                             DA7219_DAI_CLK_EN_MASK);
784 
785                 /* PC synchronised to DAI */
786                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
787                                     DA7219_PC_FREERUN_MASK, 0);
788 
789                 /* Slave mode, if SRM not enabled no need for status checks */
790                 pll_ctrl = snd_soc_read(codec, DA7219_PLL_CTRL);
791                 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
792                         return 0;
793 
794                 /* Check SRM has locked */
795                 do {
796                         pll_status = snd_soc_read(codec, DA7219_PLL_SRM_STS);
797                         if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
798                                 srm_lock = true;
799                         } else {
800                                 ++i;
801                                 msleep(50);
802                         }
803                 } while ((i < DA7219_SRM_CHECK_RETRIES) & (!srm_lock));
804 
805                 if (!srm_lock)
806                         dev_warn(codec->dev, "SRM failed to lock\n");
807 
808                 return 0;
809         case SND_SOC_DAPM_POST_PMD:
810                 /* PC free-running */
811                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
812                                     DA7219_PC_FREERUN_MASK,
813                                     DA7219_PC_FREERUN_MASK);
814 
815                 /* Disable DAI clks if in master mode */
816                 if (da7219->master)
817                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
818                                             DA7219_DAI_CLK_EN_MASK, 0);
819                 return 0;
820         default:
821                 return -EINVAL;
822         }
823 }
824 
825 
826 /*
827  * DAPM Widgets
828  */
829 
830 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
831         /* Input Supplies */
832         SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
833                             DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
834                             NULL, 0),
835 
836         /* Inputs */
837         SND_SOC_DAPM_INPUT("MIC"),
838 
839         /* Input PGAs */
840         SND_SOC_DAPM_PGA("Mic PGA", DA7219_MIC_1_CTRL,
841                          DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
842                          NULL, 0),
843         SND_SOC_DAPM_PGA("Mixin PGA", DA7219_MIXIN_L_CTRL,
844                          DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
845                          NULL, 0),
846 
847         /* Input Filters */
848         SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
849                          DA7219_NO_INVERT),
850 
851         /* Tone Generator */
852         SND_SOC_DAPM_SIGGEN("TONE"),
853         SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
854                          DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
855 
856         /* Sidetone Input */
857         SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
858                          DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
859 
860         /* Input Mixer Supply */
861         SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
862                             DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
863                             NULL, 0),
864 
865         /* Input Mixer */
866         SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
867                            da7219_mixin_controls,
868                            ARRAY_SIZE(da7219_mixin_controls)),
869 
870         /* Input Muxes */
871         SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
872                          &da7219_out_dail_sel_mux),
873         SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
874                          &da7219_out_dair_sel_mux),
875 
876         /* DAI Supply */
877         SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
878                             DA7219_NO_INVERT, da7219_dai_event,
879                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
880 
881         /* DAI */
882         SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
883         SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
884 
885         /* Output Muxes */
886         SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
887                          &da7219_out_dacl_sel_mux),
888         SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
889                          &da7219_out_dacr_sel_mux),
890 
891         /* Output Mixers */
892         SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
893                            da7219_mixout_l_controls,
894                            ARRAY_SIZE(da7219_mixout_l_controls)),
895         SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
896                            da7219_mixout_r_controls,
897                            ARRAY_SIZE(da7219_mixout_r_controls)),
898 
899         /* Sidetone Mixers */
900         SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
901                            da7219_st_out_filtl_mix_controls,
902                            ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
903         SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
904                            0, da7219_st_out_filtr_mix_controls,
905                            ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
906 
907         /* DACs */
908         SND_SOC_DAPM_DAC("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT,
909                          DA7219_NO_INVERT),
910         SND_SOC_DAPM_DAC("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT,
911                          DA7219_NO_INVERT),
912 
913         /* Output PGAs */
914         SND_SOC_DAPM_PGA("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
915                          DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
916                          NULL, 0),
917         SND_SOC_DAPM_PGA("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
918                          DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
919                          NULL, 0),
920         SND_SOC_DAPM_PGA("Headphone Left PGA", DA7219_HP_L_CTRL,
921                          DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
922         SND_SOC_DAPM_PGA("Headphone Right PGA", DA7219_HP_R_CTRL,
923                          DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
924 
925         /* Output Supplies */
926         SND_SOC_DAPM_SUPPLY("Charge Pump", DA7219_CP_CTRL, DA7219_CP_EN_SHIFT,
927                             DA7219_NO_INVERT, NULL, 0),
928 
929         /* Outputs */
930         SND_SOC_DAPM_OUTPUT("HPL"),
931         SND_SOC_DAPM_OUTPUT("HPR"),
932 };
933 
934 
935 /*
936  * DAPM Mux Routes
937  */
938 
939 #define DA7219_OUT_DAI_MUX_ROUTES(name)                 \
940         {name, "ADC", "Mixer In"},                      \
941         {name, "Tone Generator", "Tone Generator"},     \
942         {name, "DAIL", "DAIOUT"},                       \
943         {name, "DAIR", "DAIOUT"}
944 
945 #define DA7219_OUT_DAC_MUX_ROUTES(name)                 \
946         {name, "ADC", "Mixer In"},                      \
947         {name, "Tone Generator", "Tone Generator"},             \
948         {name, "DAIL", "DAIIN"},                        \
949         {name, "DAIR", "DAIIN"}
950 
951 /*
952  * DAPM Mixer Routes
953  */
954 
955 #define DA7219_DMIX_ST_ROUTES(name)                             \
956         {name, "Out FilterL Switch", "Mixer Out FilterL"},      \
957         {name, "Out FilterR Switch", "Mixer Out FilterR"},      \
958         {name, "Sidetone Switch", "Sidetone Filter"}
959 
960 
961 /*
962  * DAPM audio route definition
963  */
964 
965 static const struct snd_soc_dapm_route da7219_audio_map[] = {
966         /* Input paths */
967         {"MIC", NULL, "Mic Bias"},
968         {"Mic PGA", NULL, "MIC"},
969         {"Mixin PGA", NULL, "Mic PGA"},
970         {"ADC", NULL, "Mixin PGA"},
971 
972         {"Mixer In", NULL, "Mixer In Supply"},
973         {"Mixer In", "Mic Switch", "ADC"},
974 
975         {"Sidetone Filter", NULL, "Mixer In"},
976 
977         {"Tone Generator", NULL, "TONE"},
978 
979         DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
980         DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
981 
982         {"DAIOUT", NULL, "Out DAIL Mux"},
983         {"DAIOUT", NULL, "Out DAIR Mux"},
984         {"DAIOUT", NULL, "DAI"},
985 
986         /* Output paths */
987         {"DAIIN", NULL, "DAI"},
988 
989         DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
990         DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
991 
992         {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
993         {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
994 
995         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
996         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
997 
998         {"DACL", NULL, "ST Mixer Out FilterL"},
999         {"DACR", NULL, "ST Mixer Out FilterR"},
1000 
1001         {"Mixout Left PGA", NULL, "DACL"},
1002         {"Mixout Right PGA", NULL, "DACR"},
1003 
1004         {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1005         {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1006 
1007         {"HPL", NULL, "Headphone Left PGA"},
1008         {"HPR", NULL, "Headphone Right PGA"},
1009 
1010         {"HPL", NULL, "Charge Pump"},
1011         {"HPR", NULL, "Charge Pump"},
1012 };
1013 
1014 
1015 /*
1016  * DAI operations
1017  */
1018 
1019 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1020                                  int clk_id, unsigned int freq, int dir)
1021 {
1022         struct snd_soc_codec *codec = codec_dai->codec;
1023         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1024         int ret = 0;
1025 
1026         if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1027                 return 0;
1028 
1029         if ((freq < 2000000) || (freq > 54000000)) {
1030                 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1031                         freq);
1032                 return -EINVAL;
1033         }
1034 
1035         switch (clk_id) {
1036         case DA7219_CLKSRC_MCLK_SQR:
1037                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1038                                     DA7219_PLL_MCLK_SQR_EN_MASK,
1039                                     DA7219_PLL_MCLK_SQR_EN_MASK);
1040                 break;
1041         case DA7219_CLKSRC_MCLK:
1042                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1043                                     DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1044                 break;
1045         default:
1046                 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1047                 return -EINVAL;
1048         }
1049 
1050         da7219->clk_src = clk_id;
1051 
1052         if (da7219->mclk) {
1053                 freq = clk_round_rate(da7219->mclk, freq);
1054                 ret = clk_set_rate(da7219->mclk, freq);
1055                 if (ret) {
1056                         dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1057                                 freq);
1058                         return ret;
1059                 }
1060         }
1061 
1062         da7219->mclk_rate = freq;
1063 
1064         return 0;
1065 }
1066 
1067 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1068                               int source, unsigned int fref, unsigned int fout)
1069 {
1070         struct snd_soc_codec *codec = codec_dai->codec;
1071         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1072 
1073         u8 pll_ctrl, indiv_bits, indiv;
1074         u8 pll_frac_top, pll_frac_bot, pll_integer;
1075         u32 freq_ref;
1076         u64 frac_div;
1077 
1078         /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1079         if (da7219->mclk_rate < 2000000) {
1080                 dev_err(codec->dev, "PLL input clock %d below valid range\n",
1081                         da7219->mclk_rate);
1082                 return -EINVAL;
1083         } else if (da7219->mclk_rate <= 4500000) {
1084                 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1085                 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1086         } else if (da7219->mclk_rate <= 9000000) {
1087                 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1088                 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1089         } else if (da7219->mclk_rate <= 18000000) {
1090                 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1091                 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1092         } else if (da7219->mclk_rate <= 36000000) {
1093                 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1094                 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1095         } else if (da7219->mclk_rate <= 54000000) {
1096                 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1097                 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1098         } else {
1099                 dev_err(codec->dev, "PLL input clock %d above valid range\n",
1100                         da7219->mclk_rate);
1101                 return -EINVAL;
1102         }
1103         freq_ref = (da7219->mclk_rate / indiv);
1104         pll_ctrl = indiv_bits;
1105 
1106         /* Configure PLL */
1107         switch (source) {
1108         case DA7219_SYSCLK_MCLK:
1109                 pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1110                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1111                                     DA7219_PLL_INDIV_MASK |
1112                                     DA7219_PLL_MODE_MASK, pll_ctrl);
1113                 return 0;
1114         case DA7219_SYSCLK_PLL:
1115                 pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1116                 break;
1117         case DA7219_SYSCLK_PLL_SRM:
1118                 pll_ctrl |= DA7219_PLL_MODE_SRM;
1119                 break;
1120         default:
1121                 dev_err(codec->dev, "Invalid PLL config\n");
1122                 return -EINVAL;
1123         }
1124 
1125         /* Calculate dividers for PLL */
1126         pll_integer = fout / freq_ref;
1127         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1128         do_div(frac_div, freq_ref);
1129         pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1130         pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1131 
1132         /* Write PLL config & dividers */
1133         snd_soc_write(codec, DA7219_PLL_FRAC_TOP, pll_frac_top);
1134         snd_soc_write(codec, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1135         snd_soc_write(codec, DA7219_PLL_INTEGER, pll_integer);
1136         snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1137                             DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1138                             pll_ctrl);
1139 
1140         return 0;
1141 }
1142 
1143 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1144 {
1145         struct snd_soc_codec *codec = codec_dai->codec;
1146         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1147         u8 dai_clk_mode = 0, dai_ctrl = 0;
1148 
1149         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1150         case SND_SOC_DAIFMT_CBM_CFM:
1151                 da7219->master = true;
1152                 break;
1153         case SND_SOC_DAIFMT_CBS_CFS:
1154                 da7219->master = false;
1155                 break;
1156         default:
1157                 return -EINVAL;
1158         }
1159 
1160         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1161         case SND_SOC_DAIFMT_I2S:
1162         case SND_SOC_DAIFMT_LEFT_J:
1163         case SND_SOC_DAIFMT_RIGHT_J:
1164                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1165                 case SND_SOC_DAIFMT_NB_NF:
1166                         break;
1167                 case SND_SOC_DAIFMT_NB_IF:
1168                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1169                         break;
1170                 case SND_SOC_DAIFMT_IB_NF:
1171                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1172                         break;
1173                 case SND_SOC_DAIFMT_IB_IF:
1174                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1175                                         DA7219_DAI_CLK_POL_INV;
1176                         break;
1177                 default:
1178                         return -EINVAL;
1179                 }
1180                 break;
1181         case SND_SOC_DAIFMT_DSP_B:
1182                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1183                 case SND_SOC_DAIFMT_NB_NF:
1184                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1185                         break;
1186                 case SND_SOC_DAIFMT_NB_IF:
1187                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1188                                         DA7219_DAI_CLK_POL_INV;
1189                         break;
1190                 case SND_SOC_DAIFMT_IB_NF:
1191                         break;
1192                 case SND_SOC_DAIFMT_IB_IF:
1193                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1194                         break;
1195                 default:
1196                         return -EINVAL;
1197                 }
1198                 break;
1199         default:
1200                 return -EINVAL;
1201         }
1202 
1203         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1204         case SND_SOC_DAIFMT_I2S:
1205                 dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1206                 break;
1207         case SND_SOC_DAIFMT_LEFT_J:
1208                 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1209                 break;
1210         case SND_SOC_DAIFMT_RIGHT_J:
1211                 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1212                 break;
1213         case SND_SOC_DAIFMT_DSP_B:
1214                 dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1215                 break;
1216         default:
1217                 return -EINVAL;
1218         }
1219 
1220         /* By default 64 BCLKs per WCLK is supported */
1221         dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
1222 
1223         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1224                             DA7219_DAI_BCLKS_PER_WCLK_MASK |
1225                             DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1226                             dai_clk_mode);
1227         snd_soc_update_bits(codec, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1228                             dai_ctrl);
1229 
1230         return 0;
1231 }
1232 
1233 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1234                                    unsigned int tx_mask, unsigned int rx_mask,
1235                                    int slots, int slot_width)
1236 {
1237         struct snd_soc_codec *codec = dai->codec;
1238         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1239         u8 dai_bclks_per_wclk;
1240         u16 offset;
1241         u32 frame_size;
1242 
1243         /* No channels enabled so disable TDM, revert to 64-bit frames */
1244         if (!tx_mask) {
1245                 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1246                                     DA7219_DAI_TDM_CH_EN_MASK |
1247                                     DA7219_DAI_TDM_MODE_EN_MASK, 0);
1248                 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1249                                     DA7219_DAI_BCLKS_PER_WCLK_MASK,
1250                                     DA7219_DAI_BCLKS_PER_WCLK_64);
1251                 return 0;
1252         }
1253 
1254         /* Check we have valid slots */
1255         if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1256                 dev_err(codec->dev, "Invalid number of slots, max = %d\n",
1257                         DA7219_DAI_TDM_MAX_SLOTS);
1258                 return -EINVAL;
1259         }
1260 
1261         /* Check we have a valid offset given */
1262         if (rx_mask > DA7219_DAI_OFFSET_MAX) {
1263                 dev_err(codec->dev, "Invalid slot offset, max = %d\n",
1264                         DA7219_DAI_OFFSET_MAX);
1265                 return -EINVAL;
1266         }
1267 
1268         /* Calculate & validate frame size based on slot info provided. */
1269         frame_size = slots * slot_width;
1270         switch (frame_size) {
1271         case 32:
1272                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1273                 break;
1274         case 64:
1275                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1276                 break;
1277         case 128:
1278                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1279                 break;
1280         case 256:
1281                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1282                 break;
1283         default:
1284                 dev_err(codec->dev, "Invalid frame size %d\n", frame_size);
1285                 return -EINVAL;
1286         }
1287 
1288         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1289                             DA7219_DAI_BCLKS_PER_WCLK_MASK,
1290                             dai_bclks_per_wclk);
1291 
1292         offset = cpu_to_le16(rx_mask);
1293         regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1294                           &offset, sizeof(offset));
1295 
1296         snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1297                             DA7219_DAI_TDM_CH_EN_MASK |
1298                             DA7219_DAI_TDM_MODE_EN_MASK,
1299                             (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1300                             DA7219_DAI_TDM_MODE_EN_MASK);
1301 
1302         return 0;
1303 }
1304 
1305 static int da7219_hw_params(struct snd_pcm_substream *substream,
1306                             struct snd_pcm_hw_params *params,
1307                             struct snd_soc_dai *dai)
1308 {
1309         struct snd_soc_codec *codec = dai->codec;
1310         u8 dai_ctrl = 0, fs;
1311         unsigned int channels;
1312 
1313         switch (params_width(params)) {
1314         case 16:
1315                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1316                 break;
1317         case 20:
1318                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1319                 break;
1320         case 24:
1321                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1322                 break;
1323         case 32:
1324                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1325                 break;
1326         default:
1327                 return -EINVAL;
1328         }
1329 
1330         channels = params_channels(params);
1331         if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1332                 dev_err(codec->dev,
1333                         "Invalid number of channels, only 1 to %d supported\n",
1334                         DA7219_DAI_CH_NUM_MAX);
1335                 return -EINVAL;
1336         }
1337         dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1338 
1339         switch (params_rate(params)) {
1340         case 8000:
1341                 fs = DA7219_SR_8000;
1342                 break;
1343         case 11025:
1344                 fs = DA7219_SR_11025;
1345                 break;
1346         case 12000:
1347                 fs = DA7219_SR_12000;
1348                 break;
1349         case 16000:
1350                 fs = DA7219_SR_16000;
1351                 break;
1352         case 22050:
1353                 fs = DA7219_SR_22050;
1354                 break;
1355         case 24000:
1356                 fs = DA7219_SR_24000;
1357                 break;
1358         case 32000:
1359                 fs = DA7219_SR_32000;
1360                 break;
1361         case 44100:
1362                 fs = DA7219_SR_44100;
1363                 break;
1364         case 48000:
1365                 fs = DA7219_SR_48000;
1366                 break;
1367         case 88200:
1368                 fs = DA7219_SR_88200;
1369                 break;
1370         case 96000:
1371                 fs = DA7219_SR_96000;
1372                 break;
1373         default:
1374                 return -EINVAL;
1375         }
1376 
1377         snd_soc_update_bits(codec, DA7219_DAI_CTRL,
1378                             DA7219_DAI_WORD_LENGTH_MASK |
1379                             DA7219_DAI_CH_NUM_MASK,
1380                             dai_ctrl);
1381         snd_soc_write(codec, DA7219_SR, fs);
1382 
1383         return 0;
1384 }
1385 
1386 static const struct snd_soc_dai_ops da7219_dai_ops = {
1387         .hw_params      = da7219_hw_params,
1388         .set_sysclk     = da7219_set_dai_sysclk,
1389         .set_pll        = da7219_set_dai_pll,
1390         .set_fmt        = da7219_set_dai_fmt,
1391         .set_tdm_slot   = da7219_set_dai_tdm_slot,
1392 };
1393 
1394 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1395                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1396 
1397 static struct snd_soc_dai_driver da7219_dai = {
1398         .name = "da7219-hifi",
1399         .playback = {
1400                 .stream_name = "Playback",
1401                 .channels_min = 1,
1402                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1403                 .rates = SNDRV_PCM_RATE_8000_96000,
1404                 .formats = DA7219_FORMATS,
1405         },
1406         .capture = {
1407                 .stream_name = "Capture",
1408                 .channels_min = 1,
1409                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1410                 .rates = SNDRV_PCM_RATE_8000_96000,
1411                 .formats = DA7219_FORMATS,
1412         },
1413         .ops = &da7219_dai_ops,
1414         .symmetric_rates = 1,
1415         .symmetric_channels = 1,
1416         .symmetric_samplebits = 1,
1417 };
1418 
1419 
1420 /*
1421  * DT
1422  */
1423 
1424 static const struct of_device_id da7219_of_match[] = {
1425         { .compatible = "dlg,da7219", },
1426         { }
1427 };
1428 MODULE_DEVICE_TABLE(of, da7219_of_match);
1429 
1430 static const struct acpi_device_id da7219_acpi_match[] = {
1431         { .id = "DLGS7219", },
1432         { }
1433 };
1434 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1435 
1436 static enum da7219_micbias_voltage
1437         da7219_of_micbias_lvl(struct snd_soc_codec *codec, u32 val)
1438 {
1439         switch (val) {
1440         case 1600:
1441                 return DA7219_MICBIAS_1_6V;
1442         case 1800:
1443                 return DA7219_MICBIAS_1_8V;
1444         case 2000:
1445                 return DA7219_MICBIAS_2_0V;
1446         case 2200:
1447                 return DA7219_MICBIAS_2_2V;
1448         case 2400:
1449                 return DA7219_MICBIAS_2_4V;
1450         case 2600:
1451                 return DA7219_MICBIAS_2_6V;
1452         default:
1453                 dev_warn(codec->dev, "Invalid micbias level");
1454                 return DA7219_MICBIAS_2_2V;
1455         }
1456 }
1457 
1458 static enum da7219_mic_amp_in_sel
1459         da7219_of_mic_amp_in_sel(struct snd_soc_codec *codec, const char *str)
1460 {
1461         if (!strcmp(str, "diff")) {
1462                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1463         } else if (!strcmp(str, "se_p")) {
1464                 return DA7219_MIC_AMP_IN_SEL_SE_P;
1465         } else if (!strcmp(str, "se_n")) {
1466                 return DA7219_MIC_AMP_IN_SEL_SE_N;
1467         } else {
1468                 dev_warn(codec->dev, "Invalid mic input type selection");
1469                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1470         }
1471 }
1472 
1473 static struct da7219_pdata *da7219_of_to_pdata(struct snd_soc_codec *codec)
1474 {
1475         struct device_node *np = codec->dev->of_node;
1476         struct da7219_pdata *pdata;
1477         const char *of_str;
1478         u32 of_val32;
1479 
1480         pdata = devm_kzalloc(codec->dev, sizeof(*pdata), GFP_KERNEL);
1481         if (!pdata)
1482                 return NULL;
1483 
1484         if (of_property_read_u32(np, "dlg,micbias-lvl", &of_val32) >= 0)
1485                 pdata->micbias_lvl = da7219_of_micbias_lvl(codec, of_val32);
1486         else
1487                 pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1488 
1489         if (!of_property_read_string(np, "dlg,mic-amp-in-sel", &of_str))
1490                 pdata->mic_amp_in_sel = da7219_of_mic_amp_in_sel(codec, of_str);
1491         else
1492                 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1493 
1494         return pdata;
1495 }
1496 
1497 
1498 /*
1499  * Codec driver functions
1500  */
1501 
1502 static int da7219_set_bias_level(struct snd_soc_codec *codec,
1503                                  enum snd_soc_bias_level level)
1504 {
1505         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1506         int ret;
1507 
1508         switch (level) {
1509         case SND_SOC_BIAS_ON:
1510         case SND_SOC_BIAS_PREPARE:
1511                 break;
1512         case SND_SOC_BIAS_STANDBY:
1513                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF) {
1514                         /* MCLK */
1515                         if (da7219->mclk) {
1516                                 ret = clk_prepare_enable(da7219->mclk);
1517                                 if (ret) {
1518                                         dev_err(codec->dev,
1519                                                 "Failed to enable mclk\n");
1520                                         return ret;
1521                                 }
1522                         }
1523 
1524                         /* Master bias */
1525                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1526                                             DA7219_BIAS_EN_MASK,
1527                                             DA7219_BIAS_EN_MASK);
1528                 }
1529                 break;
1530         case SND_SOC_BIAS_OFF:
1531                 /* Only disable master bias if jack detection not active */
1532                 if (!da7219->aad->jack)
1533                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1534                                             DA7219_BIAS_EN_MASK, 0);
1535 
1536                 /* MCLK */
1537                 if (da7219->mclk)
1538                         clk_disable_unprepare(da7219->mclk);
1539                 break;
1540         }
1541 
1542         return 0;
1543 }
1544 
1545 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1546         [DA7219_SUPPLY_VDD] = "VDD",
1547         [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1548         [DA7219_SUPPLY_VDDIO] = "VDDIO",
1549 };
1550 
1551 static int da7219_handle_supplies(struct snd_soc_codec *codec)
1552 {
1553         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1554         struct regulator *vddio;
1555         u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1556         int i, ret;
1557 
1558         /* Get required supplies */
1559         for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1560                 da7219->supplies[i].supply = da7219_supply_names[i];
1561 
1562         ret = devm_regulator_bulk_get(codec->dev, DA7219_NUM_SUPPLIES,
1563                                       da7219->supplies);
1564         if (ret) {
1565                 dev_err(codec->dev, "Failed to get supplies");
1566                 return ret;
1567         }
1568 
1569         /* Determine VDDIO voltage provided */
1570         vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1571         ret = regulator_get_voltage(vddio);
1572         if (ret < 1200000)
1573                 dev_warn(codec->dev, "Invalid VDDIO voltage\n");
1574         else if (ret < 2800000)
1575                 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1576 
1577         /* Enable main supplies */
1578         ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1579         if (ret) {
1580                 dev_err(codec->dev, "Failed to enable supplies");
1581                 return ret;
1582         }
1583 
1584         /* Ensure device in active mode */
1585         snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1586 
1587         /* Update IO voltage level range */
1588         snd_soc_write(codec, DA7219_IO_CTRL, io_voltage_lvl);
1589 
1590         return 0;
1591 }
1592 
1593 static void da7219_handle_pdata(struct snd_soc_codec *codec)
1594 {
1595         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1596         struct da7219_pdata *pdata = da7219->pdata;
1597 
1598         if (pdata) {
1599                 u8 micbias_lvl = 0;
1600 
1601                 /* Mic Bias voltages */
1602                 switch (pdata->micbias_lvl) {
1603                 case DA7219_MICBIAS_1_6V:
1604                 case DA7219_MICBIAS_1_8V:
1605                 case DA7219_MICBIAS_2_0V:
1606                 case DA7219_MICBIAS_2_2V:
1607                 case DA7219_MICBIAS_2_4V:
1608                 case DA7219_MICBIAS_2_6V:
1609                         micbias_lvl |= (pdata->micbias_lvl <<
1610                                         DA7219_MICBIAS1_LEVEL_SHIFT);
1611                         break;
1612                 }
1613 
1614                 snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_lvl);
1615 
1616                 /* Mic */
1617                 switch (pdata->mic_amp_in_sel) {
1618                 case DA7219_MIC_AMP_IN_SEL_DIFF:
1619                 case DA7219_MIC_AMP_IN_SEL_SE_P:
1620                 case DA7219_MIC_AMP_IN_SEL_SE_N:
1621                         snd_soc_write(codec, DA7219_MIC_1_SELECT,
1622                                       pdata->mic_amp_in_sel);
1623                         break;
1624                 }
1625         }
1626 }
1627 
1628 static struct reg_sequence da7219_rev_aa_patch[] = {
1629         { DA7219_REFERENCES, 0x08 },
1630 };
1631 
1632 static int da7219_probe(struct snd_soc_codec *codec)
1633 {
1634         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1635         unsigned int rev;
1636         int ret;
1637 
1638         mutex_init(&da7219->lock);
1639 
1640         /* Regulator configuration */
1641         ret = da7219_handle_supplies(codec);
1642         if (ret)
1643                 return ret;
1644 
1645         ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
1646         if (ret) {
1647                 dev_err(codec->dev, "Failed to read chip revision: %d\n", ret);
1648                 goto err_disable_reg;
1649         }
1650 
1651         switch (rev & DA7219_CHIP_MINOR_MASK) {
1652         case 0:
1653                 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
1654                                             ARRAY_SIZE(da7219_rev_aa_patch));
1655                 if (ret) {
1656                         dev_err(codec->dev, "Failed to register AA patch: %d\n",
1657                                 ret);
1658                         goto err_disable_reg;
1659                 }
1660                 break;
1661         default:
1662                 break;
1663         }
1664 
1665         /* Handle DT/Platform data */
1666         if (codec->dev->of_node)
1667                 da7219->pdata = da7219_of_to_pdata(codec);
1668         else
1669                 da7219->pdata = dev_get_platdata(codec->dev);
1670 
1671         da7219_handle_pdata(codec);
1672 
1673         /* Check if MCLK provided */
1674         da7219->mclk = devm_clk_get(codec->dev, "mclk");
1675         if (IS_ERR(da7219->mclk)) {
1676                 if (PTR_ERR(da7219->mclk) != -ENOENT) {
1677                         ret = PTR_ERR(da7219->mclk);
1678                         goto err_disable_reg;
1679                 } else {
1680                         da7219->mclk = NULL;
1681                 }
1682         }
1683 
1684         /* Default PC counter to free-running */
1685         snd_soc_update_bits(codec, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
1686                             DA7219_PC_FREERUN_MASK);
1687 
1688         /* Default gain ramping */
1689         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
1690                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
1691                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
1692         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
1693                             DA7219_ADC_L_RAMP_EN_MASK);
1694         snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
1695                             DA7219_DAC_L_RAMP_EN_MASK);
1696         snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
1697                             DA7219_DAC_R_RAMP_EN_MASK);
1698         snd_soc_update_bits(codec, DA7219_HP_L_CTRL,
1699                             DA7219_HP_L_AMP_RAMP_EN_MASK,
1700                             DA7219_HP_L_AMP_RAMP_EN_MASK);
1701         snd_soc_update_bits(codec, DA7219_HP_R_CTRL,
1702                             DA7219_HP_R_AMP_RAMP_EN_MASK,
1703                             DA7219_HP_R_AMP_RAMP_EN_MASK);
1704 
1705         /* Default infinite tone gen, start/stop by Kcontrol */
1706         snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
1707 
1708         /* Initialise AAD block */
1709         ret = da7219_aad_init(codec);
1710         if (ret)
1711                 goto err_disable_reg;
1712 
1713         return 0;
1714 
1715 err_disable_reg:
1716         regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1717 
1718         return ret;
1719 }
1720 
1721 static int da7219_remove(struct snd_soc_codec *codec)
1722 {
1723         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1724 
1725         da7219_aad_exit(codec);
1726 
1727         /* Supplies */
1728         return regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1729 }
1730 
1731 #ifdef CONFIG_PM
1732 static int da7219_suspend(struct snd_soc_codec *codec)
1733 {
1734         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1735 
1736         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
1737 
1738         /* Put device into standby mode if jack detection disabled */
1739         if (!da7219->aad->jack)
1740                 snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, 0);
1741 
1742         return 0;
1743 }
1744 
1745 static int da7219_resume(struct snd_soc_codec *codec)
1746 {
1747         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1748 
1749         /* Put device into active mode if previously pushed to standby */
1750         if (!da7219->aad->jack)
1751                 snd_soc_write(codec, DA7219_SYSTEM_ACTIVE,
1752                               DA7219_SYSTEM_ACTIVE_MASK);
1753 
1754         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1755 
1756         return 0;
1757 }
1758 #else
1759 #define da7219_suspend NULL
1760 #define da7219_resume NULL
1761 #endif
1762 
1763 static struct snd_soc_codec_driver soc_codec_dev_da7219 = {
1764         .probe                  = da7219_probe,
1765         .remove                 = da7219_remove,
1766         .suspend                = da7219_suspend,
1767         .resume                 = da7219_resume,
1768         .set_bias_level         = da7219_set_bias_level,
1769 
1770         .controls               = da7219_snd_controls,
1771         .num_controls           = ARRAY_SIZE(da7219_snd_controls),
1772 
1773         .dapm_widgets           = da7219_dapm_widgets,
1774         .num_dapm_widgets       = ARRAY_SIZE(da7219_dapm_widgets),
1775         .dapm_routes            = da7219_audio_map,
1776         .num_dapm_routes        = ARRAY_SIZE(da7219_audio_map),
1777 };
1778 
1779 
1780 /*
1781  * Regmap configs
1782  */
1783 
1784 static struct reg_default da7219_reg_defaults[] = {
1785         { DA7219_MIC_1_SELECT, 0x00 },
1786         { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
1787         { DA7219_SR_24_48, 0x00 },
1788         { DA7219_SR, 0x0A },
1789         { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
1790         { DA7219_PLL_CTRL, 0x10 },
1791         { DA7219_PLL_FRAC_TOP, 0x00 },
1792         { DA7219_PLL_FRAC_BOT, 0x00 },
1793         { DA7219_PLL_INTEGER, 0x20 },
1794         { DA7219_DIG_ROUTING_DAI, 0x10 },
1795         { DA7219_DAI_CLK_MODE, 0x01 },
1796         { DA7219_DAI_CTRL, 0x28 },
1797         { DA7219_DAI_TDM_CTRL, 0x40 },
1798         { DA7219_DIG_ROUTING_DAC, 0x32 },
1799         { DA7219_DAI_OFFSET_LOWER, 0x00 },
1800         { DA7219_DAI_OFFSET_UPPER, 0x00 },
1801         { DA7219_REFERENCES, 0x08 },
1802         { DA7219_MIXIN_L_SELECT, 0x00 },
1803         { DA7219_MIXIN_L_GAIN, 0x03 },
1804         { DA7219_ADC_L_GAIN, 0x6F },
1805         { DA7219_ADC_FILTERS1, 0x80 },
1806         { DA7219_MIC_1_GAIN, 0x01 },
1807         { DA7219_SIDETONE_CTRL, 0x40 },
1808         { DA7219_SIDETONE_GAIN, 0x0E },
1809         { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
1810         { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
1811         { DA7219_DAC_FILTERS5, 0x00 },
1812         { DA7219_DAC_FILTERS2, 0x88 },
1813         { DA7219_DAC_FILTERS3, 0x88 },
1814         { DA7219_DAC_FILTERS4, 0x08 },
1815         { DA7219_DAC_FILTERS1, 0x80 },
1816         { DA7219_DAC_L_GAIN, 0x6F },
1817         { DA7219_DAC_R_GAIN, 0x6F },
1818         { DA7219_CP_CTRL, 0x20 },
1819         { DA7219_HP_L_GAIN, 0x39 },
1820         { DA7219_HP_R_GAIN, 0x39 },
1821         { DA7219_MIXOUT_L_SELECT, 0x00 },
1822         { DA7219_MIXOUT_R_SELECT, 0x00 },
1823         { DA7219_MICBIAS_CTRL, 0x03 },
1824         { DA7219_MIC_1_CTRL, 0x40 },
1825         { DA7219_MIXIN_L_CTRL, 0x40 },
1826         { DA7219_ADC_L_CTRL, 0x40 },
1827         { DA7219_DAC_L_CTRL, 0x40 },
1828         { DA7219_DAC_R_CTRL, 0x40 },
1829         { DA7219_HP_L_CTRL, 0x40 },
1830         { DA7219_HP_R_CTRL, 0x40 },
1831         { DA7219_MIXOUT_L_CTRL, 0x10 },
1832         { DA7219_MIXOUT_R_CTRL, 0x10 },
1833         { DA7219_CHIP_ID1, 0x23 },
1834         { DA7219_CHIP_ID2, 0x93 },
1835         { DA7219_IO_CTRL, 0x00 },
1836         { DA7219_GAIN_RAMP_CTRL, 0x00 },
1837         { DA7219_PC_COUNT, 0x02 },
1838         { DA7219_CP_VOL_THRESHOLD1, 0x0E },
1839         { DA7219_DIG_CTRL, 0x00 },
1840         { DA7219_ALC_CTRL2, 0x00 },
1841         { DA7219_ALC_CTRL3, 0x00 },
1842         { DA7219_ALC_NOISE, 0x3F },
1843         { DA7219_ALC_TARGET_MIN, 0x3F },
1844         { DA7219_ALC_TARGET_MAX, 0x00 },
1845         { DA7219_ALC_GAIN_LIMITS, 0xFF },
1846         { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
1847         { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
1848         { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
1849         { DA7219_DAC_NG_SETUP_TIME, 0x00 },
1850         { DA7219_DAC_NG_OFF_THRESH, 0x00 },
1851         { DA7219_DAC_NG_ON_THRESH, 0x00 },
1852         { DA7219_DAC_NG_CTRL, 0x00 },
1853         { DA7219_TONE_GEN_CFG1, 0x00 },
1854         { DA7219_TONE_GEN_CFG2, 0x00 },
1855         { DA7219_TONE_GEN_CYCLES, 0x00 },
1856         { DA7219_TONE_GEN_FREQ1_L, 0x55 },
1857         { DA7219_TONE_GEN_FREQ1_U, 0x15 },
1858         { DA7219_TONE_GEN_FREQ2_L, 0x00 },
1859         { DA7219_TONE_GEN_FREQ2_U, 0x40 },
1860         { DA7219_TONE_GEN_ON_PER, 0x02 },
1861         { DA7219_TONE_GEN_OFF_PER, 0x01 },
1862         { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
1863         { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
1864         { DA7219_ACCDET_CONFIG_1, 0xD6 },
1865         { DA7219_ACCDET_CONFIG_2, 0x34 },
1866         { DA7219_ACCDET_CONFIG_3, 0x0A },
1867         { DA7219_ACCDET_CONFIG_4, 0x16 },
1868         { DA7219_ACCDET_CONFIG_5, 0x21 },
1869         { DA7219_ACCDET_CONFIG_6, 0x3E },
1870         { DA7219_ACCDET_CONFIG_7, 0x01 },
1871         { DA7219_SYSTEM_ACTIVE, 0x00 },
1872 };
1873 
1874 static bool da7219_volatile_register(struct device *dev, unsigned int reg)
1875 {
1876         switch (reg) {
1877         case DA7219_MIC_1_GAIN_STATUS:
1878         case DA7219_MIXIN_L_GAIN_STATUS:
1879         case DA7219_ADC_L_GAIN_STATUS:
1880         case DA7219_DAC_L_GAIN_STATUS:
1881         case DA7219_DAC_R_GAIN_STATUS:
1882         case DA7219_HP_L_GAIN_STATUS:
1883         case DA7219_HP_R_GAIN_STATUS:
1884         case DA7219_CIF_CTRL:
1885         case DA7219_PLL_SRM_STS:
1886         case DA7219_ALC_CTRL1:
1887         case DA7219_SYSTEM_MODES_INPUT:
1888         case DA7219_SYSTEM_MODES_OUTPUT:
1889         case DA7219_ALC_OFFSET_AUTO_M_L:
1890         case DA7219_ALC_OFFSET_AUTO_U_L:
1891         case DA7219_TONE_GEN_CFG1:
1892         case DA7219_ACCDET_STATUS_A:
1893         case DA7219_ACCDET_STATUS_B:
1894         case DA7219_ACCDET_IRQ_EVENT_A:
1895         case DA7219_ACCDET_IRQ_EVENT_B:
1896         case DA7219_ACCDET_CONFIG_8:
1897         case DA7219_SYSTEM_STATUS:
1898                 return 1;
1899         default:
1900                 return 0;
1901         }
1902 }
1903 
1904 static const struct regmap_config da7219_regmap_config = {
1905         .reg_bits = 8,
1906         .val_bits = 8,
1907 
1908         .max_register = DA7219_SYSTEM_ACTIVE,
1909         .reg_defaults = da7219_reg_defaults,
1910         .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
1911         .volatile_reg = da7219_volatile_register,
1912         .cache_type = REGCACHE_RBTREE,
1913 };
1914 
1915 
1916 /*
1917  * I2C layer
1918  */
1919 
1920 static int da7219_i2c_probe(struct i2c_client *i2c,
1921                             const struct i2c_device_id *id)
1922 {
1923         struct da7219_priv *da7219;
1924         int ret;
1925 
1926         da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
1927                               GFP_KERNEL);
1928         if (!da7219)
1929                 return -ENOMEM;
1930 
1931         i2c_set_clientdata(i2c, da7219);
1932 
1933         da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
1934         if (IS_ERR(da7219->regmap)) {
1935                 ret = PTR_ERR(da7219->regmap);
1936                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1937                 return ret;
1938         }
1939 
1940         ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219,
1941                                      &da7219_dai, 1);
1942         if (ret < 0) {
1943                 dev_err(&i2c->dev, "Failed to register da7219 codec: %d\n",
1944                         ret);
1945         }
1946         return ret;
1947 }
1948 
1949 static int da7219_i2c_remove(struct i2c_client *client)
1950 {
1951         snd_soc_unregister_codec(&client->dev);
1952         return 0;
1953 }
1954 
1955 static const struct i2c_device_id da7219_i2c_id[] = {
1956         { "da7219", },
1957         { }
1958 };
1959 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
1960 
1961 static struct i2c_driver da7219_i2c_driver = {
1962         .driver = {
1963                 .name = "da7219",
1964                 .of_match_table = of_match_ptr(da7219_of_match),
1965                 .acpi_match_table = ACPI_PTR(da7219_acpi_match),
1966         },
1967         .probe          = da7219_i2c_probe,
1968         .remove         = da7219_i2c_remove,
1969         .id_table       = da7219_i2c_id,
1970 };
1971 
1972 module_i2c_driver(da7219_i2c_driver);
1973 
1974 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
1975 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
1976 MODULE_LICENSE("GPL");
1977 

~ [ source navigation ] ~ [ diff markup ] ~ [ identifier search ] ~

kernel.org | git.kernel.org | LWN.net | Project Home | Wiki (Japanese) | Wiki (English) | SVN repository | Mail admin

Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.

osdn.jp