ASoC: da7219: Improve pop/click performance for sensitive HPs
[sfrench/cifs-2.6.git] / sound / soc / codecs / da7219.c
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/property.h>
19 #include <linux/regmap.h>
20 #include <linux/slab.h>
21 #include <linux/pm.h>
22 #include <linux/module.h>
23 #include <linux/delay.h>
24 #include <linux/regulator/consumer.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/soc.h>
28 #include <sound/soc-dapm.h>
29 #include <sound/initval.h>
30 #include <sound/tlv.h>
31 #include <asm/div64.h>
32
33 #include <sound/da7219.h>
34 #include "da7219.h"
35 #include "da7219-aad.h"
36
37
38 /*
39  * TLVs and Enums
40  */
41
42 /* Input TLVs */
43 static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
44 static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
45 static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
46 static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
47 static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
48 static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
49 static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
50 static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
51
52 /* Output TLVs */
53 static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
54
55 static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
56         0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
57         /* -77.25dB to 12dB */
58         0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
59 );
60
61 static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
62 static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
63
64 /* Input Enums */
65 static const char * const da7219_alc_attack_rate_txt[] = {
66         "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
67         "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
68         "30024/fs"
69 };
70
71 static const struct soc_enum da7219_alc_attack_rate =
72         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
73                         DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
74
75 static const char * const da7219_alc_release_rate_txt[] = {
76         "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
77         "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
78 };
79
80 static const struct soc_enum da7219_alc_release_rate =
81         SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
82                         DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
83
84 static const char * const da7219_alc_hold_time_txt[] = {
85         "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
86         "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
87         "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
88 };
89
90 static const struct soc_enum da7219_alc_hold_time =
91         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
92                         DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
93
94 static const char * const da7219_alc_env_rate_txt[] = {
95         "1/4", "1/16", "1/256", "1/65536"
96 };
97
98 static const struct soc_enum da7219_alc_env_attack_rate =
99         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
100                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
101
102 static const struct soc_enum da7219_alc_env_release_rate =
103         SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
104                         DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
105
106 static const char * const da7219_alc_anticlip_step_txt[] = {
107         "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
108 };
109
110 static const struct soc_enum da7219_alc_anticlip_step =
111         SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
112                         DA7219_ALC_ANTICLIP_STEP_SHIFT,
113                         DA7219_ALC_ANTICLIP_STEP_MAX,
114                         da7219_alc_anticlip_step_txt);
115
116 /* Input/Output Enums */
117 static const char * const da7219_gain_ramp_rate_txt[] = {
118         "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
119         "Nominal Rate / 16"
120 };
121
122 static const struct soc_enum da7219_gain_ramp_rate =
123         SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
124                         DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
125
126 static const char * const da7219_hpf_mode_txt[] = {
127         "Disabled", "Audio", "Voice"
128 };
129
130 static const unsigned int da7219_hpf_mode_val[] = {
131         DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
132 };
133
134 static const struct soc_enum da7219_adc_hpf_mode =
135         SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
136                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
137                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
138
139 static const struct soc_enum da7219_dac_hpf_mode =
140         SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
141                               DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
142                               da7219_hpf_mode_txt, da7219_hpf_mode_val);
143
144 static const char * const da7219_audio_hpf_corner_txt[] = {
145         "2Hz", "4Hz", "8Hz", "16Hz"
146 };
147
148 static const struct soc_enum da7219_adc_audio_hpf_corner =
149         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
150                         DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
151                         DA7219_AUDIO_HPF_CORNER_MAX,
152                         da7219_audio_hpf_corner_txt);
153
154 static const struct soc_enum da7219_dac_audio_hpf_corner =
155         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
156                         DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
157                         DA7219_AUDIO_HPF_CORNER_MAX,
158                         da7219_audio_hpf_corner_txt);
159
160 static const char * const da7219_voice_hpf_corner_txt[] = {
161         "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
162 };
163
164 static const struct soc_enum da7219_adc_voice_hpf_corner =
165         SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
166                         DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
167                         DA7219_VOICE_HPF_CORNER_MAX,
168                         da7219_voice_hpf_corner_txt);
169
170 static const struct soc_enum da7219_dac_voice_hpf_corner =
171         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
172                         DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
173                         DA7219_VOICE_HPF_CORNER_MAX,
174                         da7219_voice_hpf_corner_txt);
175
176 static const char * const da7219_tonegen_dtmf_key_txt[] = {
177         "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
178         "*", "#"
179 };
180
181 static const struct soc_enum da7219_tonegen_dtmf_key =
182         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
183                         DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
184
185 static const char * const da7219_tonegen_swg_sel_txt[] = {
186         "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
187 };
188
189 static const struct soc_enum da7219_tonegen_swg_sel =
190         SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
191                         DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
192
193 /* Output Enums */
194 static const char * const da7219_dac_softmute_rate_txt[] = {
195         "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
196         "32 Samples", "64 Samples"
197 };
198
199 static const struct soc_enum da7219_dac_softmute_rate =
200         SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
201                         DA7219_DAC_SOFTMUTE_RATE_MAX,
202                         da7219_dac_softmute_rate_txt);
203
204 static const char * const da7219_dac_ng_setup_time_txt[] = {
205         "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
206 };
207
208 static const struct soc_enum da7219_dac_ng_setup_time =
209         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
210                         DA7219_DAC_NG_SETUP_TIME_SHIFT,
211                         DA7219_DAC_NG_SETUP_TIME_MAX,
212                         da7219_dac_ng_setup_time_txt);
213
214 static const char * const da7219_dac_ng_rampup_txt[] = {
215         "0.22ms/dB", "0.0138ms/dB"
216 };
217
218 static const struct soc_enum da7219_dac_ng_rampup_rate =
219         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
220                         DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
221                         DA7219_DAC_NG_RAMP_RATE_MAX,
222                         da7219_dac_ng_rampup_txt);
223
224 static const char * const da7219_dac_ng_rampdown_txt[] = {
225         "0.88ms/dB", "14.08ms/dB"
226 };
227
228 static const struct soc_enum da7219_dac_ng_rampdown_rate =
229         SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
230                         DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
231                         DA7219_DAC_NG_RAMP_RATE_MAX,
232                         da7219_dac_ng_rampdown_txt);
233
234
235 static const char * const da7219_cp_track_mode_txt[] = {
236         "Largest Volume", "DAC Volume", "Signal Magnitude"
237 };
238
239 static const unsigned int da7219_cp_track_mode_val[] = {
240         DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
241         DA7219_CP_MCHANGE_SIG_MAG
242 };
243
244 static const struct soc_enum da7219_cp_track_mode =
245         SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
246                               DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
247                               da7219_cp_track_mode_txt,
248                               da7219_cp_track_mode_val);
249
250
251 /*
252  * Control Functions
253  */
254
255 /* Locked Kcontrol calls */
256 static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
257                                    struct snd_ctl_elem_value *ucontrol)
258 {
259         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
260         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
261         int ret;
262
263         mutex_lock(&da7219->lock);
264         ret = snd_soc_get_volsw(kcontrol, ucontrol);
265         mutex_unlock(&da7219->lock);
266
267         return ret;
268 }
269
270 static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
271                                    struct snd_ctl_elem_value *ucontrol)
272 {
273         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
274         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
275         int ret;
276
277         mutex_lock(&da7219->lock);
278         ret = snd_soc_put_volsw(kcontrol, ucontrol);
279         mutex_unlock(&da7219->lock);
280
281         return ret;
282 }
283
284 static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
285                                 struct snd_ctl_elem_value *ucontrol)
286 {
287         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
288         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
289         int ret;
290
291         mutex_lock(&da7219->lock);
292         ret = snd_soc_get_enum_double(kcontrol, ucontrol);
293         mutex_unlock(&da7219->lock);
294
295         return ret;
296 }
297
298 static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
299                                 struct snd_ctl_elem_value *ucontrol)
300 {
301         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
302         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
303         int ret;
304
305         mutex_lock(&da7219->lock);
306         ret = snd_soc_put_enum_double(kcontrol, ucontrol);
307         mutex_unlock(&da7219->lock);
308
309         return ret;
310 }
311
312 /* ALC */
313 static void da7219_alc_calib(struct snd_soc_codec *codec)
314 {
315         u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
316
317         /* Save current state of mic control register */
318         mic_ctrl = snd_soc_read(codec, DA7219_MIC_1_CTRL);
319
320         /* Save current state of input mixer control register */
321         mixin_ctrl = snd_soc_read(codec, DA7219_MIXIN_L_CTRL);
322
323         /* Save current state of input ADC control register */
324         adc_ctrl = snd_soc_read(codec, DA7219_ADC_L_CTRL);
325
326         /* Enable then Mute MIC PGAs */
327         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
328                             DA7219_MIC_1_AMP_EN_MASK);
329         snd_soc_update_bits(codec, DA7219_MIC_1_CTRL,
330                             DA7219_MIC_1_AMP_MUTE_EN_MASK,
331                             DA7219_MIC_1_AMP_MUTE_EN_MASK);
332
333         /* Enable input mixers unmuted */
334         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
335                             DA7219_MIXIN_L_AMP_EN_MASK |
336                             DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
337                             DA7219_MIXIN_L_AMP_EN_MASK);
338
339         /* Enable input filters unmuted */
340         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL,
341                             DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
342                             DA7219_ADC_L_EN_MASK);
343
344         /* Perform auto calibration */
345         snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
346                             DA7219_ALC_AUTO_CALIB_EN_MASK,
347                             DA7219_ALC_AUTO_CALIB_EN_MASK);
348         do {
349                 calib_ctrl = snd_soc_read(codec, DA7219_ALC_CTRL1);
350         } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
351
352         /* If auto calibration fails, disable DC offset, hybrid ALC */
353         if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
354                 dev_warn(codec->dev,
355                          "ALC auto calibration failed with overflow\n");
356                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
357                                     DA7219_ALC_OFFSET_EN_MASK |
358                                     DA7219_ALC_SYNC_MODE_MASK, 0);
359         } else {
360                 /* Enable DC offset cancellation, hybrid mode */
361                 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
362                                     DA7219_ALC_OFFSET_EN_MASK |
363                                     DA7219_ALC_SYNC_MODE_MASK,
364                                     DA7219_ALC_OFFSET_EN_MASK |
365                                     DA7219_ALC_SYNC_MODE_MASK);
366         }
367
368         /* Restore input filter control register to original state */
369         snd_soc_write(codec, DA7219_ADC_L_CTRL, adc_ctrl);
370
371         /* Restore input mixer control registers to original state */
372         snd_soc_write(codec, DA7219_MIXIN_L_CTRL, mixin_ctrl);
373
374         /* Restore MIC control registers to original states */
375         snd_soc_write(codec, DA7219_MIC_1_CTRL, mic_ctrl);
376 }
377
378 static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
379                                  struct snd_ctl_elem_value *ucontrol)
380 {
381         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
382         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
383         int ret;
384
385         ret = snd_soc_put_volsw(kcontrol, ucontrol);
386
387         /*
388          * If ALC in operation and value of control has been updated,
389          * make sure calibrated offsets are updated.
390          */
391         if ((ret == 1) && (da7219->alc_en))
392                 da7219_alc_calib(codec);
393
394         return ret;
395 }
396
397 static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
398                              struct snd_ctl_elem_value *ucontrol)
399 {
400         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
401         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
402
403
404         /* Force ALC offset calibration if enabling ALC */
405         if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
406                 da7219_alc_calib(codec);
407                 da7219->alc_en = true;
408         } else {
409                 da7219->alc_en = false;
410         }
411
412         return snd_soc_put_volsw(kcontrol, ucontrol);
413 }
414
415 /* ToneGen */
416 static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
417                                    struct snd_ctl_elem_value *ucontrol)
418 {
419         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
420         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
421         struct soc_mixer_control *mixer_ctrl =
422                 (struct soc_mixer_control *) kcontrol->private_value;
423         unsigned int reg = mixer_ctrl->reg;
424         u16 val;
425         int ret;
426
427         mutex_lock(&da7219->lock);
428         ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
429         mutex_unlock(&da7219->lock);
430
431         if (ret)
432                 return ret;
433
434         /*
435          * Frequency value spans two 8-bit registers, lower then upper byte.
436          * Therefore we need to convert to host endianness here.
437          */
438         ucontrol->value.integer.value[0] = le16_to_cpu(val);
439
440         return 0;
441 }
442
443 static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
444                                    struct snd_ctl_elem_value *ucontrol)
445 {
446         struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
447         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
448         struct soc_mixer_control *mixer_ctrl =
449                 (struct soc_mixer_control *) kcontrol->private_value;
450         unsigned int reg = mixer_ctrl->reg;
451         u16 val;
452         int ret;
453
454         /*
455          * Frequency value spans two 8-bit registers, lower then upper byte.
456          * Therefore we need to convert to little endian here to align with
457          * HW registers.
458          */
459         val = cpu_to_le16(ucontrol->value.integer.value[0]);
460
461         mutex_lock(&da7219->lock);
462         ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
463         mutex_unlock(&da7219->lock);
464
465         return ret;
466 }
467
468
469 /*
470  * KControls
471  */
472
473 static const struct snd_kcontrol_new da7219_snd_controls[] = {
474         /* Mics */
475         SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
476                        DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
477                        DA7219_NO_INVERT, da7219_mic_gain_tlv),
478         SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
479                    DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
480                    DA7219_INVERT),
481
482         /* Mixer Input */
483         SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
484                            DA7219_MIXIN_L_AMP_GAIN_SHIFT,
485                            DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
486                            snd_soc_get_volsw, da7219_mixin_gain_put,
487                            da7219_mixin_gain_tlv),
488         SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
489                    DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
490                    DA7219_INVERT),
491         SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
492                    DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
493                    DA7219_NO_INVERT),
494         SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
495                    DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
496                    DA7219_NO_INVERT),
497
498         /* ADC */
499         SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
500                        DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
501                        DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
502                        da7219_adc_dig_gain_tlv),
503         SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
504                    DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
505                    DA7219_INVERT),
506         SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
507                    DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
508                    DA7219_NO_INVERT),
509
510         /* ALC */
511         SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
512         SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
513         SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
514         SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
515         SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
516         SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
517                        DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
518                        DA7219_INVERT, da7219_alc_threshold_tlv),
519         SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
520                        DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
521                        DA7219_INVERT, da7219_alc_threshold_tlv),
522         SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
523                        DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
524                        DA7219_INVERT, da7219_alc_threshold_tlv),
525         SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
526                        DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
527                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
528         SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
529                        DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
530                        DA7219_NO_INVERT, da7219_alc_gain_tlv),
531         SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
532                              DA7219_ALC_ANA_GAIN_MIN_SHIFT,
533                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
534                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
535         SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
536                              DA7219_ALC_ANA_GAIN_MAX_SHIFT,
537                              DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
538                              DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
539         SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
540         SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
541                    DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
542                    DA7219_NO_INVERT),
543         SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
544                        DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
545                        snd_soc_get_volsw, da7219_alc_sw_put),
546
547         /* Input High-Pass Filters */
548         SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
549         SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
550         SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
551
552         /* Sidetone Filter */
553         SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
554                        DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
555                        DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
556         SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
557                    DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
558                    DA7219_INVERT),
559
560         /* Tone Generator */
561         SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
562                            DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
563                            DA7219_NO_INVERT, da7219_volsw_locked_get,
564                            da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
565         SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
566                      da7219_enum_locked_get, da7219_enum_locked_put),
567         SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
568                        DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
569                        DA7219_NO_INVERT, da7219_volsw_locked_get,
570                        da7219_volsw_locked_put),
571         SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
572                      da7219_enum_locked_get, da7219_enum_locked_put),
573         SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
574                        DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
575                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
576         SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
577                        DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
578                        da7219_tonegen_freq_get, da7219_tonegen_freq_put),
579         SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
580                        DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
581                        DA7219_NO_INVERT, da7219_volsw_locked_get,
582                        da7219_volsw_locked_put),
583         SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
584                    DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
585                    DA7219_NO_INVERT),
586
587         /* Gain ramping */
588         SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
589
590         /* DAC High-Pass Filter */
591         SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
592                      da7219_enum_locked_get, da7219_enum_locked_put),
593         SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
594         SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
595
596         /* DAC 5-Band Equaliser */
597         SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
598                        DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
599                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
600         SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
601                        DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
602                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
603         SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
604                        DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
605                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
606         SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
607                        DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
608                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
609         SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
610                        DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
611                        DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
612         SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
613                        DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
614                        DA7219_NO_INVERT, da7219_volsw_locked_get,
615                        da7219_volsw_locked_put),
616
617         /* DAC Softmute */
618         SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
619         SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
620                        DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
621                        DA7219_NO_INVERT, da7219_volsw_locked_get,
622                        da7219_volsw_locked_put),
623
624         /* DAC Noise Gate */
625         SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
626         SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
627         SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
628         SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
629                        DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
630                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
631                        da7219_dac_ng_threshold_tlv),
632         SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
633                        DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
634                        DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
635                        da7219_dac_ng_threshold_tlv),
636         SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
637                    DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
638
639         /* DACs */
640         SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
641                              DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
642                              DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
643                              da7219_volsw_locked_get, da7219_volsw_locked_put,
644                              da7219_dac_dig_gain_tlv),
645         SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
646                          DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
647                          DA7219_SWITCH_EN_MAX, DA7219_INVERT,
648                          da7219_volsw_locked_get, da7219_volsw_locked_put),
649         SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
650                      DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
651                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
652
653         /* CP */
654         SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
655         SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
656                    DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
657                    DA7219_NO_INVERT),
658
659         /* Headphones */
660         SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
661                              DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
662                              DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
663                              da7219_volsw_locked_get, da7219_volsw_locked_put,
664                              da7219_hp_gain_tlv),
665         SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
666                          DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
667                          DA7219_INVERT, da7219_volsw_locked_get,
668                          da7219_volsw_locked_put),
669         SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
670                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
671                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
672         SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
673                      DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
674                      DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
675 };
676
677
678 /*
679  * DAPM Mux Controls
680  */
681
682 static const char * const da7219_out_sel_txt[] = {
683         "ADC", "Tone Generator", "DAIL", "DAIR"
684 };
685
686 static const struct soc_enum da7219_out_dail_sel =
687         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
688                         DA7219_DAI_L_SRC_SHIFT,
689                         DA7219_OUT_SRC_MAX,
690                         da7219_out_sel_txt);
691
692 static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
693         SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
694
695 static const struct soc_enum da7219_out_dair_sel =
696         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
697                         DA7219_DAI_R_SRC_SHIFT,
698                         DA7219_OUT_SRC_MAX,
699                         da7219_out_sel_txt);
700
701 static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
702         SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
703
704 static const struct soc_enum da7219_out_dacl_sel =
705         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
706                         DA7219_DAC_L_SRC_SHIFT,
707                         DA7219_OUT_SRC_MAX,
708                         da7219_out_sel_txt);
709
710 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
711         SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
712
713 static const struct soc_enum da7219_out_dacr_sel =
714         SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
715                         DA7219_DAC_R_SRC_SHIFT,
716                         DA7219_OUT_SRC_MAX,
717                         da7219_out_sel_txt);
718
719 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
720         SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
721
722
723 /*
724  * DAPM Mixer Controls
725  */
726
727 static const struct snd_kcontrol_new da7219_mixin_controls[] = {
728         SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
729                         DA7219_MIXIN_L_MIX_SELECT_SHIFT,
730                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
731 };
732
733 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
734         SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
735                         DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
736                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
737 };
738
739 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
740         SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
741                         DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
742                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
743 };
744
745 #define DA7219_DMIX_ST_CTRLS(reg)                                       \
746         SOC_DAPM_SINGLE("Out FilterL Switch", reg,                      \
747                         DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT,             \
748                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
749         SOC_DAPM_SINGLE("Out FilterR Switch", reg,                      \
750                         DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT,             \
751                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),        \
752         SOC_DAPM_SINGLE("Sidetone Switch", reg,                         \
753                         DA7219_DMIX_ST_SRC_SIDETONE_SHIFT,              \
754                         DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT)         \
755
756 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
757         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
758 };
759
760 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
761         DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
762 };
763
764
765 /*
766  * DAPM Events
767  */
768
769 static int da7219_dai_event(struct snd_soc_dapm_widget *w,
770                             struct snd_kcontrol *kcontrol, int event)
771 {
772         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
773         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
774         u8 pll_ctrl, pll_status;
775         int i = 0;
776         bool srm_lock = false;
777
778         switch (event) {
779         case SND_SOC_DAPM_PRE_PMU:
780                 if (da7219->master)
781                         /* Enable DAI clks for master mode */
782                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
783                                             DA7219_DAI_CLK_EN_MASK,
784                                             DA7219_DAI_CLK_EN_MASK);
785
786                 /* PC synchronised to DAI */
787                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
788                                     DA7219_PC_FREERUN_MASK, 0);
789
790                 /* Slave mode, if SRM not enabled no need for status checks */
791                 pll_ctrl = snd_soc_read(codec, DA7219_PLL_CTRL);
792                 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
793                         return 0;
794
795                 /* Check SRM has locked */
796                 do {
797                         pll_status = snd_soc_read(codec, DA7219_PLL_SRM_STS);
798                         if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
799                                 srm_lock = true;
800                         } else {
801                                 ++i;
802                                 msleep(50);
803                         }
804                 } while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock));
805
806                 if (!srm_lock)
807                         dev_warn(codec->dev, "SRM failed to lock\n");
808
809                 return 0;
810         case SND_SOC_DAPM_POST_PMD:
811                 /* PC free-running */
812                 snd_soc_update_bits(codec, DA7219_PC_COUNT,
813                                     DA7219_PC_FREERUN_MASK,
814                                     DA7219_PC_FREERUN_MASK);
815
816                 /* Disable DAI clks if in master mode */
817                 if (da7219->master)
818                         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
819                                             DA7219_DAI_CLK_EN_MASK, 0);
820                 return 0;
821         default:
822                 return -EINVAL;
823         }
824 }
825
826 static int da7219_settling_event(struct snd_soc_dapm_widget *w,
827                                  struct snd_kcontrol *kcontrol, int event)
828 {
829         switch (event) {
830         case SND_SOC_DAPM_POST_PMU:
831         case SND_SOC_DAPM_POST_PMD:
832                 msleep(DA7219_SETTLING_DELAY);
833                 break;
834         default:
835                 break;
836         }
837
838         return 0;
839 }
840
841 static int da7219_mixout_event(struct snd_soc_dapm_widget *w,
842                                struct snd_kcontrol *kcontrol, int event)
843 {
844         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
845         u8 hp_ctrl, min_gain_mask;
846
847         switch (w->reg) {
848         case DA7219_MIXOUT_L_CTRL:
849                 hp_ctrl = DA7219_HP_L_CTRL;
850                 min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK;
851                 break;
852         case DA7219_MIXOUT_R_CTRL:
853                 hp_ctrl = DA7219_HP_R_CTRL;
854                 min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK;
855                 break;
856         default:
857                 return -EINVAL;
858         }
859
860         switch (event) {
861         case SND_SOC_DAPM_PRE_PMD:
862                 /* Enable minimum gain on HP to avoid pops */
863                 snd_soc_update_bits(codec, hp_ctrl, min_gain_mask,
864                                     min_gain_mask);
865
866                 msleep(DA7219_MIN_GAIN_DELAY);
867
868                 break;
869         case SND_SOC_DAPM_POST_PMU:
870                 /* Remove minimum gain on HP */
871                 snd_soc_update_bits(codec, hp_ctrl, min_gain_mask, 0);
872
873                 break;
874         }
875
876         return 0;
877 }
878
879 static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w,
880                                   struct snd_kcontrol *kcontrol, int event)
881 {
882         struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
883         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
884
885         switch (event) {
886         case SND_SOC_DAPM_PRE_PMU:
887         case SND_SOC_DAPM_PRE_PMD:
888                 /* Ensure nominal gain ramping for DAPM sequence */
889                 da7219->gain_ramp_ctrl =
890                         snd_soc_read(codec, DA7219_GAIN_RAMP_CTRL);
891                 snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL,
892                               DA7219_GAIN_RAMP_RATE_NOMINAL);
893                 break;
894         case SND_SOC_DAPM_POST_PMU:
895         case SND_SOC_DAPM_POST_PMD:
896                 /* Restore previous gain ramp settings */
897                 snd_soc_write(codec, DA7219_GAIN_RAMP_CTRL,
898                               da7219->gain_ramp_ctrl);
899                 break;
900         }
901
902         return 0;
903 }
904
905
906 /*
907  * DAPM Widgets
908  */
909
910 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
911         /* Input Supplies */
912         SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
913                             DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
914                             NULL, 0),
915
916         /* Inputs */
917         SND_SOC_DAPM_INPUT("MIC"),
918
919         /* Input PGAs */
920         SND_SOC_DAPM_PGA("Mic PGA", DA7219_MIC_1_CTRL,
921                          DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
922                          NULL, 0),
923         SND_SOC_DAPM_PGA("Mixin PGA", DA7219_MIXIN_L_CTRL,
924                          DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
925                          NULL, 0),
926
927         /* Input Filters */
928         SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
929                          DA7219_NO_INVERT),
930
931         /* Tone Generator */
932         SND_SOC_DAPM_SIGGEN("TONE"),
933         SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
934                          DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
935
936         /* Sidetone Input */
937         SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
938                          DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
939
940         /* Input Mixer Supply */
941         SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
942                             DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
943                             NULL, 0),
944
945         /* Input Mixer */
946         SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
947                            da7219_mixin_controls,
948                            ARRAY_SIZE(da7219_mixin_controls)),
949
950         /* Input Muxes */
951         SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
952                          &da7219_out_dail_sel_mux),
953         SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
954                          &da7219_out_dair_sel_mux),
955
956         /* DAI Supply */
957         SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
958                             DA7219_NO_INVERT, da7219_dai_event,
959                             SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
960
961         /* DAI */
962         SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, SND_SOC_NOPM, 0, 0),
963         SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
964
965         /* Output Muxes */
966         SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
967                          &da7219_out_dacl_sel_mux),
968         SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
969                          &da7219_out_dacr_sel_mux),
970
971         /* Output Mixers */
972         SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
973                            da7219_mixout_l_controls,
974                            ARRAY_SIZE(da7219_mixout_l_controls)),
975         SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
976                            da7219_mixout_r_controls,
977                            ARRAY_SIZE(da7219_mixout_r_controls)),
978
979         /* Sidetone Mixers */
980         SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
981                            da7219_st_out_filtl_mix_controls,
982                            ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
983         SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
984                            0, da7219_st_out_filtr_mix_controls,
985                            ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
986
987         /* DACs */
988         SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL,
989                            DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT,
990                            da7219_settling_event,
991                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
992         SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL,
993                            DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT,
994                            da7219_settling_event,
995                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
996
997         /* Output PGAs */
998         SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
999                            DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1000                            NULL, 0, da7219_mixout_event,
1001                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1002         SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
1003                            DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1004                            NULL, 0, da7219_mixout_event,
1005                            SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1006         SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL,
1007                               DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1008                               da7219_settling_event,
1009                               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1010         SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL,
1011                               DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1012                               da7219_settling_event,
1013                               SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1014
1015         /* Output Supplies */
1016         SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL,
1017                               DA7219_CP_EN_SHIFT, DA7219_NO_INVERT,
1018                               da7219_settling_event,
1019                               SND_SOC_DAPM_POST_PMU),
1020
1021         /* Outputs */
1022         SND_SOC_DAPM_OUTPUT("HPL"),
1023         SND_SOC_DAPM_OUTPUT("HPR"),
1024
1025         /* Pre/Post Power */
1026         SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event),
1027         SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event),
1028 };
1029
1030
1031 /*
1032  * DAPM Mux Routes
1033  */
1034
1035 #define DA7219_OUT_DAI_MUX_ROUTES(name)                 \
1036         {name, "ADC", "Mixer In"},                      \
1037         {name, "Tone Generator", "Tone Generator"},     \
1038         {name, "DAIL", "DAIOUT"},                       \
1039         {name, "DAIR", "DAIOUT"}
1040
1041 #define DA7219_OUT_DAC_MUX_ROUTES(name)                 \
1042         {name, "ADC", "Mixer In"},                      \
1043         {name, "Tone Generator", "Tone Generator"},             \
1044         {name, "DAIL", "DAIIN"},                        \
1045         {name, "DAIR", "DAIIN"}
1046
1047 /*
1048  * DAPM Mixer Routes
1049  */
1050
1051 #define DA7219_DMIX_ST_ROUTES(name)                             \
1052         {name, "Out FilterL Switch", "Mixer Out FilterL"},      \
1053         {name, "Out FilterR Switch", "Mixer Out FilterR"},      \
1054         {name, "Sidetone Switch", "Sidetone Filter"}
1055
1056
1057 /*
1058  * DAPM audio route definition
1059  */
1060
1061 static const struct snd_soc_dapm_route da7219_audio_map[] = {
1062         /* Input paths */
1063         {"MIC", NULL, "Mic Bias"},
1064         {"Mic PGA", NULL, "MIC"},
1065         {"Mixin PGA", NULL, "Mic PGA"},
1066         {"ADC", NULL, "Mixin PGA"},
1067
1068         {"Mixer In", NULL, "Mixer In Supply"},
1069         {"Mixer In", "Mic Switch", "ADC"},
1070
1071         {"Sidetone Filter", NULL, "Mixer In"},
1072
1073         {"Tone Generator", NULL, "TONE"},
1074
1075         DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
1076         DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
1077
1078         {"DAIOUT", NULL, "Out DAIL Mux"},
1079         {"DAIOUT", NULL, "Out DAIR Mux"},
1080         {"DAIOUT", NULL, "DAI"},
1081
1082         /* Output paths */
1083         {"DAIIN", NULL, "DAI"},
1084
1085         DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
1086         DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
1087
1088         {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
1089         {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
1090
1091         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
1092         DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
1093
1094         {"DACL", NULL, "ST Mixer Out FilterL"},
1095         {"DACR", NULL, "ST Mixer Out FilterR"},
1096
1097         {"Mixout Left PGA", NULL, "DACL"},
1098         {"Mixout Right PGA", NULL, "DACR"},
1099
1100         {"HPL", NULL, "Mixout Left PGA"},
1101         {"HPR", NULL, "Mixout Right PGA"},
1102
1103         {"HPL", NULL, "Headphone Left PGA"},
1104         {"HPR", NULL, "Headphone Right PGA"},
1105
1106         {"HPL", NULL, "Charge Pump"},
1107         {"HPR", NULL, "Charge Pump"},
1108 };
1109
1110
1111 /*
1112  * DAI operations
1113  */
1114
1115 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1116                                  int clk_id, unsigned int freq, int dir)
1117 {
1118         struct snd_soc_codec *codec = codec_dai->codec;
1119         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1120         int ret = 0;
1121
1122         if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1123                 return 0;
1124
1125         if ((freq < 2000000) || (freq > 54000000)) {
1126                 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1127                         freq);
1128                 return -EINVAL;
1129         }
1130
1131         switch (clk_id) {
1132         case DA7219_CLKSRC_MCLK_SQR:
1133                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1134                                     DA7219_PLL_MCLK_SQR_EN_MASK,
1135                                     DA7219_PLL_MCLK_SQR_EN_MASK);
1136                 break;
1137         case DA7219_CLKSRC_MCLK:
1138                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1139                                     DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1140                 break;
1141         default:
1142                 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1143                 return -EINVAL;
1144         }
1145
1146         da7219->clk_src = clk_id;
1147
1148         if (da7219->mclk) {
1149                 freq = clk_round_rate(da7219->mclk, freq);
1150                 ret = clk_set_rate(da7219->mclk, freq);
1151                 if (ret) {
1152                         dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1153                                 freq);
1154                         return ret;
1155                 }
1156         }
1157
1158         da7219->mclk_rate = freq;
1159
1160         return 0;
1161 }
1162
1163 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1164                               int source, unsigned int fref, unsigned int fout)
1165 {
1166         struct snd_soc_codec *codec = codec_dai->codec;
1167         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1168
1169         u8 pll_ctrl, indiv_bits, indiv;
1170         u8 pll_frac_top, pll_frac_bot, pll_integer;
1171         u32 freq_ref;
1172         u64 frac_div;
1173
1174         /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1175         if (da7219->mclk_rate < 2000000) {
1176                 dev_err(codec->dev, "PLL input clock %d below valid range\n",
1177                         da7219->mclk_rate);
1178                 return -EINVAL;
1179         } else if (da7219->mclk_rate <= 4500000) {
1180                 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1181                 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1182         } else if (da7219->mclk_rate <= 9000000) {
1183                 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1184                 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1185         } else if (da7219->mclk_rate <= 18000000) {
1186                 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1187                 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1188         } else if (da7219->mclk_rate <= 36000000) {
1189                 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1190                 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1191         } else if (da7219->mclk_rate <= 54000000) {
1192                 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1193                 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1194         } else {
1195                 dev_err(codec->dev, "PLL input clock %d above valid range\n",
1196                         da7219->mclk_rate);
1197                 return -EINVAL;
1198         }
1199         freq_ref = (da7219->mclk_rate / indiv);
1200         pll_ctrl = indiv_bits;
1201
1202         /* Configure PLL */
1203         switch (source) {
1204         case DA7219_SYSCLK_MCLK:
1205                 pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1206                 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1207                                     DA7219_PLL_INDIV_MASK |
1208                                     DA7219_PLL_MODE_MASK, pll_ctrl);
1209                 return 0;
1210         case DA7219_SYSCLK_PLL:
1211                 pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1212                 break;
1213         case DA7219_SYSCLK_PLL_SRM:
1214                 pll_ctrl |= DA7219_PLL_MODE_SRM;
1215                 break;
1216         default:
1217                 dev_err(codec->dev, "Invalid PLL config\n");
1218                 return -EINVAL;
1219         }
1220
1221         /* Calculate dividers for PLL */
1222         pll_integer = fout / freq_ref;
1223         frac_div = (u64)(fout % freq_ref) * 8192ULL;
1224         do_div(frac_div, freq_ref);
1225         pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1226         pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1227
1228         /* Write PLL config & dividers */
1229         snd_soc_write(codec, DA7219_PLL_FRAC_TOP, pll_frac_top);
1230         snd_soc_write(codec, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1231         snd_soc_write(codec, DA7219_PLL_INTEGER, pll_integer);
1232         snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1233                             DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1234                             pll_ctrl);
1235
1236         return 0;
1237 }
1238
1239 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1240 {
1241         struct snd_soc_codec *codec = codec_dai->codec;
1242         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1243         u8 dai_clk_mode = 0, dai_ctrl = 0;
1244
1245         switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1246         case SND_SOC_DAIFMT_CBM_CFM:
1247                 da7219->master = true;
1248                 break;
1249         case SND_SOC_DAIFMT_CBS_CFS:
1250                 da7219->master = false;
1251                 break;
1252         default:
1253                 return -EINVAL;
1254         }
1255
1256         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1257         case SND_SOC_DAIFMT_I2S:
1258         case SND_SOC_DAIFMT_LEFT_J:
1259         case SND_SOC_DAIFMT_RIGHT_J:
1260                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1261                 case SND_SOC_DAIFMT_NB_NF:
1262                         break;
1263                 case SND_SOC_DAIFMT_NB_IF:
1264                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1265                         break;
1266                 case SND_SOC_DAIFMT_IB_NF:
1267                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1268                         break;
1269                 case SND_SOC_DAIFMT_IB_IF:
1270                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1271                                         DA7219_DAI_CLK_POL_INV;
1272                         break;
1273                 default:
1274                         return -EINVAL;
1275                 }
1276                 break;
1277         case SND_SOC_DAIFMT_DSP_B:
1278                 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1279                 case SND_SOC_DAIFMT_NB_NF:
1280                         dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1281                         break;
1282                 case SND_SOC_DAIFMT_NB_IF:
1283                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1284                                         DA7219_DAI_CLK_POL_INV;
1285                         break;
1286                 case SND_SOC_DAIFMT_IB_NF:
1287                         break;
1288                 case SND_SOC_DAIFMT_IB_IF:
1289                         dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1290                         break;
1291                 default:
1292                         return -EINVAL;
1293                 }
1294                 break;
1295         default:
1296                 return -EINVAL;
1297         }
1298
1299         switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1300         case SND_SOC_DAIFMT_I2S:
1301                 dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1302                 break;
1303         case SND_SOC_DAIFMT_LEFT_J:
1304                 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1305                 break;
1306         case SND_SOC_DAIFMT_RIGHT_J:
1307                 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1308                 break;
1309         case SND_SOC_DAIFMT_DSP_B:
1310                 dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1311                 break;
1312         default:
1313                 return -EINVAL;
1314         }
1315
1316         /* By default 64 BCLKs per WCLK is supported */
1317         dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
1318
1319         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1320                             DA7219_DAI_BCLKS_PER_WCLK_MASK |
1321                             DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1322                             dai_clk_mode);
1323         snd_soc_update_bits(codec, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1324                             dai_ctrl);
1325
1326         return 0;
1327 }
1328
1329 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1330                                    unsigned int tx_mask, unsigned int rx_mask,
1331                                    int slots, int slot_width)
1332 {
1333         struct snd_soc_codec *codec = dai->codec;
1334         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1335         u8 dai_bclks_per_wclk;
1336         u16 offset;
1337         u32 frame_size;
1338
1339         /* No channels enabled so disable TDM, revert to 64-bit frames */
1340         if (!tx_mask) {
1341                 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1342                                     DA7219_DAI_TDM_CH_EN_MASK |
1343                                     DA7219_DAI_TDM_MODE_EN_MASK, 0);
1344                 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1345                                     DA7219_DAI_BCLKS_PER_WCLK_MASK,
1346                                     DA7219_DAI_BCLKS_PER_WCLK_64);
1347                 return 0;
1348         }
1349
1350         /* Check we have valid slots */
1351         if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1352                 dev_err(codec->dev, "Invalid number of slots, max = %d\n",
1353                         DA7219_DAI_TDM_MAX_SLOTS);
1354                 return -EINVAL;
1355         }
1356
1357         /* Check we have a valid offset given */
1358         if (rx_mask > DA7219_DAI_OFFSET_MAX) {
1359                 dev_err(codec->dev, "Invalid slot offset, max = %d\n",
1360                         DA7219_DAI_OFFSET_MAX);
1361                 return -EINVAL;
1362         }
1363
1364         /* Calculate & validate frame size based on slot info provided. */
1365         frame_size = slots * slot_width;
1366         switch (frame_size) {
1367         case 32:
1368                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1369                 break;
1370         case 64:
1371                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1372                 break;
1373         case 128:
1374                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1375                 break;
1376         case 256:
1377                 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1378                 break;
1379         default:
1380                 dev_err(codec->dev, "Invalid frame size %d\n", frame_size);
1381                 return -EINVAL;
1382         }
1383
1384         snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1385                             DA7219_DAI_BCLKS_PER_WCLK_MASK,
1386                             dai_bclks_per_wclk);
1387
1388         offset = cpu_to_le16(rx_mask);
1389         regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1390                           &offset, sizeof(offset));
1391
1392         snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1393                             DA7219_DAI_TDM_CH_EN_MASK |
1394                             DA7219_DAI_TDM_MODE_EN_MASK,
1395                             (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1396                             DA7219_DAI_TDM_MODE_EN_MASK);
1397
1398         return 0;
1399 }
1400
1401 static int da7219_hw_params(struct snd_pcm_substream *substream,
1402                             struct snd_pcm_hw_params *params,
1403                             struct snd_soc_dai *dai)
1404 {
1405         struct snd_soc_codec *codec = dai->codec;
1406         u8 dai_ctrl = 0, fs;
1407         unsigned int channels;
1408
1409         switch (params_width(params)) {
1410         case 16:
1411                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1412                 break;
1413         case 20:
1414                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1415                 break;
1416         case 24:
1417                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1418                 break;
1419         case 32:
1420                 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1421                 break;
1422         default:
1423                 return -EINVAL;
1424         }
1425
1426         channels = params_channels(params);
1427         if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1428                 dev_err(codec->dev,
1429                         "Invalid number of channels, only 1 to %d supported\n",
1430                         DA7219_DAI_CH_NUM_MAX);
1431                 return -EINVAL;
1432         }
1433         dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1434
1435         switch (params_rate(params)) {
1436         case 8000:
1437                 fs = DA7219_SR_8000;
1438                 break;
1439         case 11025:
1440                 fs = DA7219_SR_11025;
1441                 break;
1442         case 12000:
1443                 fs = DA7219_SR_12000;
1444                 break;
1445         case 16000:
1446                 fs = DA7219_SR_16000;
1447                 break;
1448         case 22050:
1449                 fs = DA7219_SR_22050;
1450                 break;
1451         case 24000:
1452                 fs = DA7219_SR_24000;
1453                 break;
1454         case 32000:
1455                 fs = DA7219_SR_32000;
1456                 break;
1457         case 44100:
1458                 fs = DA7219_SR_44100;
1459                 break;
1460         case 48000:
1461                 fs = DA7219_SR_48000;
1462                 break;
1463         case 88200:
1464                 fs = DA7219_SR_88200;
1465                 break;
1466         case 96000:
1467                 fs = DA7219_SR_96000;
1468                 break;
1469         default:
1470                 return -EINVAL;
1471         }
1472
1473         snd_soc_update_bits(codec, DA7219_DAI_CTRL,
1474                             DA7219_DAI_WORD_LENGTH_MASK |
1475                             DA7219_DAI_CH_NUM_MASK,
1476                             dai_ctrl);
1477         snd_soc_write(codec, DA7219_SR, fs);
1478
1479         return 0;
1480 }
1481
1482 static const struct snd_soc_dai_ops da7219_dai_ops = {
1483         .hw_params      = da7219_hw_params,
1484         .set_sysclk     = da7219_set_dai_sysclk,
1485         .set_pll        = da7219_set_dai_pll,
1486         .set_fmt        = da7219_set_dai_fmt,
1487         .set_tdm_slot   = da7219_set_dai_tdm_slot,
1488 };
1489
1490 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1491                         SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1492
1493 static struct snd_soc_dai_driver da7219_dai = {
1494         .name = "da7219-hifi",
1495         .playback = {
1496                 .stream_name = "Playback",
1497                 .channels_min = 1,
1498                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1499                 .rates = SNDRV_PCM_RATE_8000_96000,
1500                 .formats = DA7219_FORMATS,
1501         },
1502         .capture = {
1503                 .stream_name = "Capture",
1504                 .channels_min = 1,
1505                 .channels_max = DA7219_DAI_CH_NUM_MAX,
1506                 .rates = SNDRV_PCM_RATE_8000_96000,
1507                 .formats = DA7219_FORMATS,
1508         },
1509         .ops = &da7219_dai_ops,
1510         .symmetric_rates = 1,
1511         .symmetric_channels = 1,
1512         .symmetric_samplebits = 1,
1513 };
1514
1515
1516 /*
1517  * DT/ACPI
1518  */
1519
1520 static const struct of_device_id da7219_of_match[] = {
1521         { .compatible = "dlg,da7219", },
1522         { }
1523 };
1524 MODULE_DEVICE_TABLE(of, da7219_of_match);
1525
1526 static const struct acpi_device_id da7219_acpi_match[] = {
1527         { .id = "DLGS7219", },
1528         { }
1529 };
1530 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1531
1532 static enum da7219_micbias_voltage
1533         da7219_fw_micbias_lvl(struct device *dev, u32 val)
1534 {
1535         switch (val) {
1536         case 1600:
1537                 return DA7219_MICBIAS_1_6V;
1538         case 1800:
1539                 return DA7219_MICBIAS_1_8V;
1540         case 2000:
1541                 return DA7219_MICBIAS_2_0V;
1542         case 2200:
1543                 return DA7219_MICBIAS_2_2V;
1544         case 2400:
1545                 return DA7219_MICBIAS_2_4V;
1546         case 2600:
1547                 return DA7219_MICBIAS_2_6V;
1548         default:
1549                 dev_warn(dev, "Invalid micbias level");
1550                 return DA7219_MICBIAS_2_2V;
1551         }
1552 }
1553
1554 static enum da7219_mic_amp_in_sel
1555         da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
1556 {
1557         if (!strcmp(str, "diff")) {
1558                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1559         } else if (!strcmp(str, "se_p")) {
1560                 return DA7219_MIC_AMP_IN_SEL_SE_P;
1561         } else if (!strcmp(str, "se_n")) {
1562                 return DA7219_MIC_AMP_IN_SEL_SE_N;
1563         } else {
1564                 dev_warn(dev, "Invalid mic input type selection");
1565                 return DA7219_MIC_AMP_IN_SEL_DIFF;
1566         }
1567 }
1568
1569 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_codec *codec)
1570 {
1571         struct device *dev = codec->dev;
1572         struct da7219_pdata *pdata;
1573         const char *of_str;
1574         u32 of_val32;
1575
1576         pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1577         if (!pdata)
1578                 return NULL;
1579
1580         pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
1581
1582         if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
1583                 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
1584         else
1585                 pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1586
1587         if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
1588                 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
1589         else
1590                 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1591
1592         return pdata;
1593 }
1594
1595
1596 /*
1597  * Codec driver functions
1598  */
1599
1600 static int da7219_set_bias_level(struct snd_soc_codec *codec,
1601                                  enum snd_soc_bias_level level)
1602 {
1603         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1604         int ret;
1605
1606         switch (level) {
1607         case SND_SOC_BIAS_ON:
1608                 break;
1609         case SND_SOC_BIAS_PREPARE:
1610                 /* Enable MCLK for transition to ON state */
1611                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) {
1612                         if (da7219->mclk) {
1613                                 ret = clk_prepare_enable(da7219->mclk);
1614                                 if (ret) {
1615                                         dev_err(codec->dev,
1616                                                 "Failed to enable mclk\n");
1617                                         return ret;
1618                                 }
1619                         }
1620                 }
1621
1622                 break;
1623         case SND_SOC_BIAS_STANDBY:
1624                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF)
1625                         /* Master bias */
1626                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1627                                             DA7219_BIAS_EN_MASK,
1628                                             DA7219_BIAS_EN_MASK);
1629
1630                 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_PREPARE) {
1631                         /* Remove MCLK */
1632                         if (da7219->mclk)
1633                                 clk_disable_unprepare(da7219->mclk);
1634                 }
1635                 break;
1636         case SND_SOC_BIAS_OFF:
1637                 /* Only disable master bias if we're not a wake-up source */
1638                 if (!da7219->wakeup_source)
1639                         snd_soc_update_bits(codec, DA7219_REFERENCES,
1640                                             DA7219_BIAS_EN_MASK, 0);
1641
1642                 break;
1643         }
1644
1645         return 0;
1646 }
1647
1648 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1649         [DA7219_SUPPLY_VDD] = "VDD",
1650         [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1651         [DA7219_SUPPLY_VDDIO] = "VDDIO",
1652 };
1653
1654 static int da7219_handle_supplies(struct snd_soc_codec *codec)
1655 {
1656         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1657         struct regulator *vddio;
1658         u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1659         int i, ret;
1660
1661         /* Get required supplies */
1662         for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1663                 da7219->supplies[i].supply = da7219_supply_names[i];
1664
1665         ret = devm_regulator_bulk_get(codec->dev, DA7219_NUM_SUPPLIES,
1666                                       da7219->supplies);
1667         if (ret) {
1668                 dev_err(codec->dev, "Failed to get supplies");
1669                 return ret;
1670         }
1671
1672         /* Determine VDDIO voltage provided */
1673         vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1674         ret = regulator_get_voltage(vddio);
1675         if (ret < 1200000)
1676                 dev_warn(codec->dev, "Invalid VDDIO voltage\n");
1677         else if (ret < 2800000)
1678                 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1679
1680         /* Enable main supplies */
1681         ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1682         if (ret) {
1683                 dev_err(codec->dev, "Failed to enable supplies");
1684                 return ret;
1685         }
1686
1687         /* Ensure device in active mode */
1688         snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1689
1690         /* Update IO voltage level range */
1691         snd_soc_write(codec, DA7219_IO_CTRL, io_voltage_lvl);
1692
1693         return 0;
1694 }
1695
1696 static void da7219_handle_pdata(struct snd_soc_codec *codec)
1697 {
1698         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1699         struct da7219_pdata *pdata = da7219->pdata;
1700
1701         if (pdata) {
1702                 u8 micbias_lvl = 0;
1703
1704                 da7219->wakeup_source = pdata->wakeup_source;
1705
1706                 /* Mic Bias voltages */
1707                 switch (pdata->micbias_lvl) {
1708                 case DA7219_MICBIAS_1_6V:
1709                 case DA7219_MICBIAS_1_8V:
1710                 case DA7219_MICBIAS_2_0V:
1711                 case DA7219_MICBIAS_2_2V:
1712                 case DA7219_MICBIAS_2_4V:
1713                 case DA7219_MICBIAS_2_6V:
1714                         micbias_lvl |= (pdata->micbias_lvl <<
1715                                         DA7219_MICBIAS1_LEVEL_SHIFT);
1716                         break;
1717                 }
1718
1719                 snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_lvl);
1720
1721                 /* Mic */
1722                 switch (pdata->mic_amp_in_sel) {
1723                 case DA7219_MIC_AMP_IN_SEL_DIFF:
1724                 case DA7219_MIC_AMP_IN_SEL_SE_P:
1725                 case DA7219_MIC_AMP_IN_SEL_SE_N:
1726                         snd_soc_write(codec, DA7219_MIC_1_SELECT,
1727                                       pdata->mic_amp_in_sel);
1728                         break;
1729                 }
1730         }
1731 }
1732
1733 static struct reg_sequence da7219_rev_aa_patch[] = {
1734         { DA7219_REFERENCES, 0x08 },
1735 };
1736
1737 static int da7219_probe(struct snd_soc_codec *codec)
1738 {
1739         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1740         unsigned int rev;
1741         int ret;
1742
1743         mutex_init(&da7219->lock);
1744
1745         /* Regulator configuration */
1746         ret = da7219_handle_supplies(codec);
1747         if (ret)
1748                 return ret;
1749
1750         ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
1751         if (ret) {
1752                 dev_err(codec->dev, "Failed to read chip revision: %d\n", ret);
1753                 goto err_disable_reg;
1754         }
1755
1756         switch (rev & DA7219_CHIP_MINOR_MASK) {
1757         case 0:
1758                 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
1759                                             ARRAY_SIZE(da7219_rev_aa_patch));
1760                 if (ret) {
1761                         dev_err(codec->dev, "Failed to register AA patch: %d\n",
1762                                 ret);
1763                         goto err_disable_reg;
1764                 }
1765                 break;
1766         default:
1767                 break;
1768         }
1769
1770         /* Handle DT/ACPI/Platform data */
1771         da7219->pdata = dev_get_platdata(codec->dev);
1772         if (!da7219->pdata)
1773                 da7219->pdata = da7219_fw_to_pdata(codec);
1774
1775         da7219_handle_pdata(codec);
1776
1777         /* Check if MCLK provided */
1778         da7219->mclk = devm_clk_get(codec->dev, "mclk");
1779         if (IS_ERR(da7219->mclk)) {
1780                 if (PTR_ERR(da7219->mclk) != -ENOENT) {
1781                         ret = PTR_ERR(da7219->mclk);
1782                         goto err_disable_reg;
1783                 } else {
1784                         da7219->mclk = NULL;
1785                 }
1786         }
1787
1788         /* Default PC counter to free-running */
1789         snd_soc_update_bits(codec, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
1790                             DA7219_PC_FREERUN_MASK);
1791
1792         /* Default gain ramping */
1793         snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
1794                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
1795                             DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
1796         snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
1797                             DA7219_ADC_L_RAMP_EN_MASK);
1798         snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
1799                             DA7219_DAC_L_RAMP_EN_MASK);
1800         snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
1801                             DA7219_DAC_R_RAMP_EN_MASK);
1802         snd_soc_update_bits(codec, DA7219_HP_L_CTRL,
1803                             DA7219_HP_L_AMP_RAMP_EN_MASK,
1804                             DA7219_HP_L_AMP_RAMP_EN_MASK);
1805         snd_soc_update_bits(codec, DA7219_HP_R_CTRL,
1806                             DA7219_HP_R_AMP_RAMP_EN_MASK,
1807                             DA7219_HP_R_AMP_RAMP_EN_MASK);
1808
1809         /* Default minimum gain on HP to avoid pops during DAPM sequencing */
1810         snd_soc_update_bits(codec, DA7219_HP_L_CTRL,
1811                             DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
1812                             DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
1813         snd_soc_update_bits(codec, DA7219_HP_R_CTRL,
1814                             DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
1815                             DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
1816
1817         /* Default infinite tone gen, start/stop by Kcontrol */
1818         snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
1819
1820         /* Initialise AAD block */
1821         ret = da7219_aad_init(codec);
1822         if (ret)
1823                 goto err_disable_reg;
1824
1825         return 0;
1826
1827 err_disable_reg:
1828         regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1829
1830         return ret;
1831 }
1832
1833 static int da7219_remove(struct snd_soc_codec *codec)
1834 {
1835         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1836
1837         da7219_aad_exit(codec);
1838
1839         /* Supplies */
1840         return regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1841 }
1842
1843 #ifdef CONFIG_PM
1844 static int da7219_suspend(struct snd_soc_codec *codec)
1845 {
1846         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1847
1848         /* Suspend AAD if we're not a wake-up source */
1849         if (!da7219->wakeup_source)
1850                 da7219_aad_suspend(codec);
1851
1852         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
1853
1854         return 0;
1855 }
1856
1857 static int da7219_resume(struct snd_soc_codec *codec)
1858 {
1859         struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1860
1861         snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1862
1863         /* Resume AAD if previously suspended */
1864         if (!da7219->wakeup_source)
1865                 da7219_aad_resume(codec);
1866
1867         return 0;
1868 }
1869 #else
1870 #define da7219_suspend NULL
1871 #define da7219_resume NULL
1872 #endif
1873
1874 static struct snd_soc_codec_driver soc_codec_dev_da7219 = {
1875         .probe                  = da7219_probe,
1876         .remove                 = da7219_remove,
1877         .suspend                = da7219_suspend,
1878         .resume                 = da7219_resume,
1879         .set_bias_level         = da7219_set_bias_level,
1880
1881         .component_driver = {
1882                 .controls               = da7219_snd_controls,
1883                 .num_controls           = ARRAY_SIZE(da7219_snd_controls),
1884                 .dapm_widgets           = da7219_dapm_widgets,
1885                 .num_dapm_widgets       = ARRAY_SIZE(da7219_dapm_widgets),
1886                 .dapm_routes            = da7219_audio_map,
1887                 .num_dapm_routes        = ARRAY_SIZE(da7219_audio_map),
1888         },
1889 };
1890
1891
1892 /*
1893  * Regmap configs
1894  */
1895
1896 static struct reg_default da7219_reg_defaults[] = {
1897         { DA7219_MIC_1_SELECT, 0x00 },
1898         { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
1899         { DA7219_SR_24_48, 0x00 },
1900         { DA7219_SR, 0x0A },
1901         { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
1902         { DA7219_PLL_CTRL, 0x10 },
1903         { DA7219_PLL_FRAC_TOP, 0x00 },
1904         { DA7219_PLL_FRAC_BOT, 0x00 },
1905         { DA7219_PLL_INTEGER, 0x20 },
1906         { DA7219_DIG_ROUTING_DAI, 0x10 },
1907         { DA7219_DAI_CLK_MODE, 0x01 },
1908         { DA7219_DAI_CTRL, 0x28 },
1909         { DA7219_DAI_TDM_CTRL, 0x40 },
1910         { DA7219_DIG_ROUTING_DAC, 0x32 },
1911         { DA7219_DAI_OFFSET_LOWER, 0x00 },
1912         { DA7219_DAI_OFFSET_UPPER, 0x00 },
1913         { DA7219_REFERENCES, 0x08 },
1914         { DA7219_MIXIN_L_SELECT, 0x00 },
1915         { DA7219_MIXIN_L_GAIN, 0x03 },
1916         { DA7219_ADC_L_GAIN, 0x6F },
1917         { DA7219_ADC_FILTERS1, 0x80 },
1918         { DA7219_MIC_1_GAIN, 0x01 },
1919         { DA7219_SIDETONE_CTRL, 0x40 },
1920         { DA7219_SIDETONE_GAIN, 0x0E },
1921         { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
1922         { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
1923         { DA7219_DAC_FILTERS5, 0x00 },
1924         { DA7219_DAC_FILTERS2, 0x88 },
1925         { DA7219_DAC_FILTERS3, 0x88 },
1926         { DA7219_DAC_FILTERS4, 0x08 },
1927         { DA7219_DAC_FILTERS1, 0x80 },
1928         { DA7219_DAC_L_GAIN, 0x6F },
1929         { DA7219_DAC_R_GAIN, 0x6F },
1930         { DA7219_CP_CTRL, 0x20 },
1931         { DA7219_HP_L_GAIN, 0x39 },
1932         { DA7219_HP_R_GAIN, 0x39 },
1933         { DA7219_MIXOUT_L_SELECT, 0x00 },
1934         { DA7219_MIXOUT_R_SELECT, 0x00 },
1935         { DA7219_MICBIAS_CTRL, 0x03 },
1936         { DA7219_MIC_1_CTRL, 0x40 },
1937         { DA7219_MIXIN_L_CTRL, 0x40 },
1938         { DA7219_ADC_L_CTRL, 0x40 },
1939         { DA7219_DAC_L_CTRL, 0x40 },
1940         { DA7219_DAC_R_CTRL, 0x40 },
1941         { DA7219_HP_L_CTRL, 0x40 },
1942         { DA7219_HP_R_CTRL, 0x40 },
1943         { DA7219_MIXOUT_L_CTRL, 0x10 },
1944         { DA7219_MIXOUT_R_CTRL, 0x10 },
1945         { DA7219_CHIP_ID1, 0x23 },
1946         { DA7219_CHIP_ID2, 0x93 },
1947         { DA7219_IO_CTRL, 0x00 },
1948         { DA7219_GAIN_RAMP_CTRL, 0x00 },
1949         { DA7219_PC_COUNT, 0x02 },
1950         { DA7219_CP_VOL_THRESHOLD1, 0x0E },
1951         { DA7219_DIG_CTRL, 0x00 },
1952         { DA7219_ALC_CTRL2, 0x00 },
1953         { DA7219_ALC_CTRL3, 0x00 },
1954         { DA7219_ALC_NOISE, 0x3F },
1955         { DA7219_ALC_TARGET_MIN, 0x3F },
1956         { DA7219_ALC_TARGET_MAX, 0x00 },
1957         { DA7219_ALC_GAIN_LIMITS, 0xFF },
1958         { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
1959         { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
1960         { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
1961         { DA7219_DAC_NG_SETUP_TIME, 0x00 },
1962         { DA7219_DAC_NG_OFF_THRESH, 0x00 },
1963         { DA7219_DAC_NG_ON_THRESH, 0x00 },
1964         { DA7219_DAC_NG_CTRL, 0x00 },
1965         { DA7219_TONE_GEN_CFG1, 0x00 },
1966         { DA7219_TONE_GEN_CFG2, 0x00 },
1967         { DA7219_TONE_GEN_CYCLES, 0x00 },
1968         { DA7219_TONE_GEN_FREQ1_L, 0x55 },
1969         { DA7219_TONE_GEN_FREQ1_U, 0x15 },
1970         { DA7219_TONE_GEN_FREQ2_L, 0x00 },
1971         { DA7219_TONE_GEN_FREQ2_U, 0x40 },
1972         { DA7219_TONE_GEN_ON_PER, 0x02 },
1973         { DA7219_TONE_GEN_OFF_PER, 0x01 },
1974         { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
1975         { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
1976         { DA7219_ACCDET_CONFIG_1, 0xD6 },
1977         { DA7219_ACCDET_CONFIG_2, 0x34 },
1978         { DA7219_ACCDET_CONFIG_3, 0x0A },
1979         { DA7219_ACCDET_CONFIG_4, 0x16 },
1980         { DA7219_ACCDET_CONFIG_5, 0x21 },
1981         { DA7219_ACCDET_CONFIG_6, 0x3E },
1982         { DA7219_ACCDET_CONFIG_7, 0x01 },
1983         { DA7219_SYSTEM_ACTIVE, 0x00 },
1984 };
1985
1986 static bool da7219_volatile_register(struct device *dev, unsigned int reg)
1987 {
1988         switch (reg) {
1989         case DA7219_MIC_1_GAIN_STATUS:
1990         case DA7219_MIXIN_L_GAIN_STATUS:
1991         case DA7219_ADC_L_GAIN_STATUS:
1992         case DA7219_DAC_L_GAIN_STATUS:
1993         case DA7219_DAC_R_GAIN_STATUS:
1994         case DA7219_HP_L_GAIN_STATUS:
1995         case DA7219_HP_R_GAIN_STATUS:
1996         case DA7219_CIF_CTRL:
1997         case DA7219_PLL_SRM_STS:
1998         case DA7219_ALC_CTRL1:
1999         case DA7219_SYSTEM_MODES_INPUT:
2000         case DA7219_SYSTEM_MODES_OUTPUT:
2001         case DA7219_ALC_OFFSET_AUTO_M_L:
2002         case DA7219_ALC_OFFSET_AUTO_U_L:
2003         case DA7219_TONE_GEN_CFG1:
2004         case DA7219_ACCDET_STATUS_A:
2005         case DA7219_ACCDET_STATUS_B:
2006         case DA7219_ACCDET_IRQ_EVENT_A:
2007         case DA7219_ACCDET_IRQ_EVENT_B:
2008         case DA7219_ACCDET_CONFIG_8:
2009         case DA7219_SYSTEM_STATUS:
2010                 return 1;
2011         default:
2012                 return 0;
2013         }
2014 }
2015
2016 static const struct regmap_config da7219_regmap_config = {
2017         .reg_bits = 8,
2018         .val_bits = 8,
2019
2020         .max_register = DA7219_SYSTEM_ACTIVE,
2021         .reg_defaults = da7219_reg_defaults,
2022         .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
2023         .volatile_reg = da7219_volatile_register,
2024         .cache_type = REGCACHE_RBTREE,
2025 };
2026
2027
2028 /*
2029  * I2C layer
2030  */
2031
2032 static int da7219_i2c_probe(struct i2c_client *i2c,
2033                             const struct i2c_device_id *id)
2034 {
2035         struct da7219_priv *da7219;
2036         unsigned int system_active, system_status;
2037         int i, ret;
2038
2039         da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
2040                               GFP_KERNEL);
2041         if (!da7219)
2042                 return -ENOMEM;
2043
2044         i2c_set_clientdata(i2c, da7219);
2045
2046         da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
2047         if (IS_ERR(da7219->regmap)) {
2048                 ret = PTR_ERR(da7219->regmap);
2049                 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2050                 return ret;
2051         }
2052
2053         regcache_cache_bypass(da7219->regmap, true);
2054
2055         /* Disable audio paths if still active from previous start */
2056         regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active);
2057         if (system_active) {
2058                 regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL,
2059                              DA7219_GAIN_RAMP_RATE_NOMINAL);
2060                 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00);
2061                 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01);
2062
2063                 for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) {
2064                         regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS,
2065                                     &system_status);
2066                         if (!system_status)
2067                                 break;
2068
2069                         msleep(DA7219_SYS_STAT_CHECK_DELAY);
2070                 }
2071         }
2072
2073         /* Soft reset codec */
2074         regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
2075                           DA7219_ACCDET_EN_MASK, 0);
2076         regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
2077                           DA7219_CIF_REG_SOFT_RESET_MASK,
2078                           DA7219_CIF_REG_SOFT_RESET_MASK);
2079         regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
2080                           DA7219_SYSTEM_ACTIVE_MASK, 0);
2081
2082         regcache_cache_bypass(da7219->regmap, false);
2083
2084         ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219,
2085                                      &da7219_dai, 1);
2086         if (ret < 0) {
2087                 dev_err(&i2c->dev, "Failed to register da7219 codec: %d\n",
2088                         ret);
2089         }
2090         return ret;
2091 }
2092
2093 static int da7219_i2c_remove(struct i2c_client *client)
2094 {
2095         snd_soc_unregister_codec(&client->dev);
2096         return 0;
2097 }
2098
2099 static const struct i2c_device_id da7219_i2c_id[] = {
2100         { "da7219", },
2101         { }
2102 };
2103 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
2104
2105 static struct i2c_driver da7219_i2c_driver = {
2106         .driver = {
2107                 .name = "da7219",
2108                 .of_match_table = of_match_ptr(da7219_of_match),
2109                 .acpi_match_table = ACPI_PTR(da7219_acpi_match),
2110         },
2111         .probe          = da7219_i2c_probe,
2112         .remove         = da7219_i2c_remove,
2113         .id_table       = da7219_i2c_id,
2114 };
2115
2116 module_i2c_driver(da7219_i2c_driver);
2117
2118 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
2119 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2120 MODULE_LICENSE("GPL");