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Linux 4.19-rc7
[linux-2.6/btrfs-unstable.git] / sound / soc / codecs / da7219.c
blobe46e9f4bc994681615b25066054d20867d3507cb
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/clkdev.h>
17 #include <linux/clk-provider.h>
18 #include <linux/i2c.h>
19 #include <linux/of_device.h>
20 #include <linux/property.h>
21 #include <linux/regmap.h>
22 #include <linux/slab.h>
23 #include <linux/pm.h>
24 #include <linux/module.h>
25 #include <linux/delay.h>
26 #include <linux/regulator/consumer.h>
27 #include <sound/pcm.h>
28 #include <sound/pcm_params.h>
29 #include <sound/soc.h>
30 #include <sound/soc-dapm.h>
31 #include <sound/initval.h>
32 #include <sound/tlv.h>
33 #include <asm/div64.h>
34
35 #include <sound/da7219.h>
36 #include "da7219.h"
37 #include "da7219-aad.h"
38
39
40 /*
41 * TLVs and Enums
42 */
43
44 /* Input TLVs */
45 static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
46 static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
47 static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
48 static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
49 static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
50 static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
51 static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
52 static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
53
54 /* Output TLVs */
55 static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
56
57 static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
58 0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
59 /* -77.25dB to 12dB */
60 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
61 );
62
63 static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
64 static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
65
66 /* Input Enums */
67 static const char * const da7219_alc_attack_rate_txt[] = {
68 "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
69 "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
70 "30024/fs"
71 };
72
73 static const struct soc_enum da7219_alc_attack_rate =
74 SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
75 DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
76
77 static const char * const da7219_alc_release_rate_txt[] = {
78 "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
79 "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
80 };
81
82 static const struct soc_enum da7219_alc_release_rate =
83 SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
84 DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
85
86 static const char * const da7219_alc_hold_time_txt[] = {
87 "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
88 "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
89 "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
90 };
91
92 static const struct soc_enum da7219_alc_hold_time =
93 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
94 DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
95
96 static const char * const da7219_alc_env_rate_txt[] = {
97 "1/4", "1/16", "1/256", "1/65536"
98 };
99
100 static const struct soc_enum da7219_alc_env_attack_rate =
101 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
102 DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
103
104 static const struct soc_enum da7219_alc_env_release_rate =
105 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
106 DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
107
108 static const char * const da7219_alc_anticlip_step_txt[] = {
109 "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
110 };
111
112 static const struct soc_enum da7219_alc_anticlip_step =
113 SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
114 DA7219_ALC_ANTICLIP_STEP_SHIFT,
115 DA7219_ALC_ANTICLIP_STEP_MAX,
116 da7219_alc_anticlip_step_txt);
117
118 /* Input/Output Enums */
119 static const char * const da7219_gain_ramp_rate_txt[] = {
120 "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
121 "Nominal Rate / 16"
122 };
123
124 static const struct soc_enum da7219_gain_ramp_rate =
125 SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
126 DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
127
128 static const char * const da7219_hpf_mode_txt[] = {
129 "Disabled", "Audio", "Voice"
130 };
131
132 static const unsigned int da7219_hpf_mode_val[] = {
133 DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
134 };
135
136 static const struct soc_enum da7219_adc_hpf_mode =
137 SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
138 DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
139 da7219_hpf_mode_txt, da7219_hpf_mode_val);
140
141 static const struct soc_enum da7219_dac_hpf_mode =
142 SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
143 DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
144 da7219_hpf_mode_txt, da7219_hpf_mode_val);
145
146 static const char * const da7219_audio_hpf_corner_txt[] = {
147 "2Hz", "4Hz", "8Hz", "16Hz"
148 };
149
150 static const struct soc_enum da7219_adc_audio_hpf_corner =
151 SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
152 DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
153 DA7219_AUDIO_HPF_CORNER_MAX,
154 da7219_audio_hpf_corner_txt);
155
156 static const struct soc_enum da7219_dac_audio_hpf_corner =
157 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
158 DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
159 DA7219_AUDIO_HPF_CORNER_MAX,
160 da7219_audio_hpf_corner_txt);
161
162 static const char * const da7219_voice_hpf_corner_txt[] = {
163 "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
164 };
165
166 static const struct soc_enum da7219_adc_voice_hpf_corner =
167 SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
168 DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
169 DA7219_VOICE_HPF_CORNER_MAX,
170 da7219_voice_hpf_corner_txt);
171
172 static const struct soc_enum da7219_dac_voice_hpf_corner =
173 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
174 DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
175 DA7219_VOICE_HPF_CORNER_MAX,
176 da7219_voice_hpf_corner_txt);
177
178 static const char * const da7219_tonegen_dtmf_key_txt[] = {
179 "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
180 "*", "#"
181 };
182
183 static const struct soc_enum da7219_tonegen_dtmf_key =
184 SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
185 DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
186
187 static const char * const da7219_tonegen_swg_sel_txt[] = {
188 "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
189 };
190
191 static const struct soc_enum da7219_tonegen_swg_sel =
192 SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
193 DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
194
195 /* Output Enums */
196 static const char * const da7219_dac_softmute_rate_txt[] = {
197 "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
198 "32 Samples", "64 Samples"
199 };
200
201 static const struct soc_enum da7219_dac_softmute_rate =
202 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
203 DA7219_DAC_SOFTMUTE_RATE_MAX,
204 da7219_dac_softmute_rate_txt);
205
206 static const char * const da7219_dac_ng_setup_time_txt[] = {
207 "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
208 };
209
210 static const struct soc_enum da7219_dac_ng_setup_time =
211 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
212 DA7219_DAC_NG_SETUP_TIME_SHIFT,
213 DA7219_DAC_NG_SETUP_TIME_MAX,
214 da7219_dac_ng_setup_time_txt);
215
216 static const char * const da7219_dac_ng_rampup_txt[] = {
217 "0.22ms/dB", "0.0138ms/dB"
218 };
219
220 static const struct soc_enum da7219_dac_ng_rampup_rate =
221 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
222 DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
223 DA7219_DAC_NG_RAMP_RATE_MAX,
224 da7219_dac_ng_rampup_txt);
225
226 static const char * const da7219_dac_ng_rampdown_txt[] = {
227 "0.88ms/dB", "14.08ms/dB"
228 };
229
230 static const struct soc_enum da7219_dac_ng_rampdown_rate =
231 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
232 DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
233 DA7219_DAC_NG_RAMP_RATE_MAX,
234 da7219_dac_ng_rampdown_txt);
235
236
237 static const char * const da7219_cp_track_mode_txt[] = {
238 "Largest Volume", "DAC Volume", "Signal Magnitude"
239 };
240
241 static const unsigned int da7219_cp_track_mode_val[] = {
242 DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
243 DA7219_CP_MCHANGE_SIG_MAG
244 };
245
246 static const struct soc_enum da7219_cp_track_mode =
247 SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
248 DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
249 da7219_cp_track_mode_txt,
250 da7219_cp_track_mode_val);
251
252
253 /*
254 * Control Functions
255 */
256
257 /* Locked Kcontrol calls */
258 static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
259 struct snd_ctl_elem_value *ucontrol)
260 {
261 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
262 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
263 int ret;
264
265 mutex_lock(&da7219->ctrl_lock);
266 ret = snd_soc_get_volsw(kcontrol, ucontrol);
267 mutex_unlock(&da7219->ctrl_lock);
268
269 return ret;
270 }
271
272 static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
273 struct snd_ctl_elem_value *ucontrol)
274 {
275 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
276 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
277 int ret;
278
279 mutex_lock(&da7219->ctrl_lock);
280 ret = snd_soc_put_volsw(kcontrol, ucontrol);
281 mutex_unlock(&da7219->ctrl_lock);
282
283 return ret;
284 }
285
286 static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
287 struct snd_ctl_elem_value *ucontrol)
288 {
289 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
290 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
291 int ret;
292
293 mutex_lock(&da7219->ctrl_lock);
294 ret = snd_soc_get_enum_double(kcontrol, ucontrol);
295 mutex_unlock(&da7219->ctrl_lock);
296
297 return ret;
298 }
299
300 static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
301 struct snd_ctl_elem_value *ucontrol)
302 {
303 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
304 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
305 int ret;
306
307 mutex_lock(&da7219->ctrl_lock);
308 ret = snd_soc_put_enum_double(kcontrol, ucontrol);
309 mutex_unlock(&da7219->ctrl_lock);
310
311 return ret;
312 }
313
314 /* ALC */
315 static void da7219_alc_calib(struct snd_soc_component *component)
316 {
317 u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
318
319 /* Save current state of mic control register */
320 mic_ctrl = snd_soc_component_read32(component, DA7219_MIC_1_CTRL);
321
322 /* Save current state of input mixer control register */
323 mixin_ctrl = snd_soc_component_read32(component, DA7219_MIXIN_L_CTRL);
324
325 /* Save current state of input ADC control register */
326 adc_ctrl = snd_soc_component_read32(component, DA7219_ADC_L_CTRL);
327
328 /* Enable then Mute MIC PGAs */
329 snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
330 DA7219_MIC_1_AMP_EN_MASK);
331 snd_soc_component_update_bits(component, DA7219_MIC_1_CTRL,
332 DA7219_MIC_1_AMP_MUTE_EN_MASK,
333 DA7219_MIC_1_AMP_MUTE_EN_MASK);
334
335 /* Enable input mixers unmuted */
336 snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
337 DA7219_MIXIN_L_AMP_EN_MASK |
338 DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
339 DA7219_MIXIN_L_AMP_EN_MASK);
340
341 /* Enable input filters unmuted */
342 snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL,
343 DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
344 DA7219_ADC_L_EN_MASK);
345
346 /* Perform auto calibration */
347 snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
348 DA7219_ALC_AUTO_CALIB_EN_MASK,
349 DA7219_ALC_AUTO_CALIB_EN_MASK);
350 do {
351 calib_ctrl = snd_soc_component_read32(component, DA7219_ALC_CTRL1);
352 } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
353
354 /* If auto calibration fails, disable DC offset, hybrid ALC */
355 if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
356 dev_warn(component->dev,
357 "ALC auto calibration failed with overflow\n");
358 snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
359 DA7219_ALC_OFFSET_EN_MASK |
360 DA7219_ALC_SYNC_MODE_MASK, 0);
361 } else {
362 /* Enable DC offset cancellation, hybrid mode */
363 snd_soc_component_update_bits(component, DA7219_ALC_CTRL1,
364 DA7219_ALC_OFFSET_EN_MASK |
365 DA7219_ALC_SYNC_MODE_MASK,
366 DA7219_ALC_OFFSET_EN_MASK |
367 DA7219_ALC_SYNC_MODE_MASK);
368 }
369
370 /* Restore input filter control register to original state */
371 snd_soc_component_write(component, DA7219_ADC_L_CTRL, adc_ctrl);
372
373 /* Restore input mixer control registers to original state */
374 snd_soc_component_write(component, DA7219_MIXIN_L_CTRL, mixin_ctrl);
375
376 /* Restore MIC control registers to original states */
377 snd_soc_component_write(component, DA7219_MIC_1_CTRL, mic_ctrl);
378 }
379
380 static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
381 struct snd_ctl_elem_value *ucontrol)
382 {
383 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
384 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
385 int ret;
386
387 ret = snd_soc_put_volsw(kcontrol, ucontrol);
388
389 /*
390 * If ALC in operation and value of control has been updated,
391 * make sure calibrated offsets are updated.
392 */
393 if ((ret == 1) && (da7219->alc_en))
394 da7219_alc_calib(component);
395
396 return ret;
397 }
398
399 static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
400 struct snd_ctl_elem_value *ucontrol)
401 {
402 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
403 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
404
405
406 /* Force ALC offset calibration if enabling ALC */
407 if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
408 da7219_alc_calib(component);
409 da7219->alc_en = true;
410 } else {
411 da7219->alc_en = false;
412 }
413
414 return snd_soc_put_volsw(kcontrol, ucontrol);
415 }
416
417 /* ToneGen */
418 static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
419 struct snd_ctl_elem_value *ucontrol)
420 {
421 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
422 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
423 struct soc_mixer_control *mixer_ctrl =
424 (struct soc_mixer_control *) kcontrol->private_value;
425 unsigned int reg = mixer_ctrl->reg;
426 u16 val;
427 int ret;
428
429 mutex_lock(&da7219->ctrl_lock);
430 ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
431 mutex_unlock(&da7219->ctrl_lock);
432
433 if (ret)
434 return ret;
435
436 /*
437 * Frequency value spans two 8-bit registers, lower then upper byte.
438 * Therefore we need to convert to host endianness here.
439 */
440 ucontrol->value.integer.value[0] = le16_to_cpu(val);
441
442 return 0;
443 }
444
445 static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
446 struct snd_ctl_elem_value *ucontrol)
447 {
448 struct snd_soc_component *component = snd_soc_kcontrol_component(kcontrol);
449 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
450 struct soc_mixer_control *mixer_ctrl =
451 (struct soc_mixer_control *) kcontrol->private_value;
452 unsigned int reg = mixer_ctrl->reg;
453 u16 val;
454 int ret;
455
456 /*
457 * Frequency value spans two 8-bit registers, lower then upper byte.
458 * Therefore we need to convert to little endian here to align with
459 * HW registers.
460 */
461 val = cpu_to_le16(ucontrol->value.integer.value[0]);
462
463 mutex_lock(&da7219->ctrl_lock);
464 ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
465 mutex_unlock(&da7219->ctrl_lock);
466
467 return ret;
468 }
469
470
471 /*
472 * KControls
473 */
474
475 static const struct snd_kcontrol_new da7219_snd_controls[] = {
476 /* Mics */
477 SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
478 DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
479 DA7219_NO_INVERT, da7219_mic_gain_tlv),
480 SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
481 DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
482 DA7219_INVERT),
483
484 /* Mixer Input */
485 SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
486 DA7219_MIXIN_L_AMP_GAIN_SHIFT,
487 DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
488 snd_soc_get_volsw, da7219_mixin_gain_put,
489 da7219_mixin_gain_tlv),
490 SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
491 DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
492 DA7219_INVERT),
493 SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
494 DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
495 DA7219_NO_INVERT),
496 SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
497 DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
498 DA7219_NO_INVERT),
499
500 /* ADC */
501 SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
502 DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
503 DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
504 da7219_adc_dig_gain_tlv),
505 SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
506 DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
507 DA7219_INVERT),
508 SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
509 DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
510 DA7219_NO_INVERT),
511
512 /* ALC */
513 SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
514 SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
515 SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
516 SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
517 SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
518 SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
519 DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
520 DA7219_INVERT, da7219_alc_threshold_tlv),
521 SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
522 DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
523 DA7219_INVERT, da7219_alc_threshold_tlv),
524 SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
525 DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
526 DA7219_INVERT, da7219_alc_threshold_tlv),
527 SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
528 DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
529 DA7219_NO_INVERT, da7219_alc_gain_tlv),
530 SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
531 DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
532 DA7219_NO_INVERT, da7219_alc_gain_tlv),
533 SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
534 DA7219_ALC_ANA_GAIN_MIN_SHIFT,
535 DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
536 DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
537 SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
538 DA7219_ALC_ANA_GAIN_MAX_SHIFT,
539 DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
540 DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
541 SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
542 SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
543 DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
544 DA7219_NO_INVERT),
545 SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
546 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
547 snd_soc_get_volsw, da7219_alc_sw_put),
548
549 /* Input High-Pass Filters */
550 SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
551 SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
552 SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
553
554 /* Sidetone Filter */
555 SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
556 DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
557 DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
558 SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
559 DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
560 DA7219_INVERT),
561
562 /* Tone Generator */
563 SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
564 DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
565 DA7219_NO_INVERT, da7219_volsw_locked_get,
566 da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
567 SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
568 da7219_enum_locked_get, da7219_enum_locked_put),
569 SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
570 DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
571 DA7219_NO_INVERT, da7219_volsw_locked_get,
572 da7219_volsw_locked_put),
573 SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
574 da7219_enum_locked_get, da7219_enum_locked_put),
575 SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
576 DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
577 da7219_tonegen_freq_get, da7219_tonegen_freq_put),
578 SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
579 DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
580 da7219_tonegen_freq_get, da7219_tonegen_freq_put),
581 SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
582 DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
583 DA7219_NO_INVERT, da7219_volsw_locked_get,
584 da7219_volsw_locked_put),
585 SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
586 DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
587 DA7219_NO_INVERT),
588
589 /* Gain ramping */
590 SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
591
592 /* DAC High-Pass Filter */
593 SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
594 da7219_enum_locked_get, da7219_enum_locked_put),
595 SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
596 SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
597
598 /* DAC 5-Band Equaliser */
599 SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
600 DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
601 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
602 SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
603 DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
604 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
605 SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
606 DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
607 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
608 SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
609 DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
610 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
611 SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
612 DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
613 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
614 SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
615 DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
616 DA7219_NO_INVERT, da7219_volsw_locked_get,
617 da7219_volsw_locked_put),
618
619 /* DAC Softmute */
620 SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
621 SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
622 DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
623 DA7219_NO_INVERT, da7219_volsw_locked_get,
624 da7219_volsw_locked_put),
625
626 /* DAC Noise Gate */
627 SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
628 SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
629 SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
630 SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
631 DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
632 DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
633 da7219_dac_ng_threshold_tlv),
634 SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
635 DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
636 DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
637 da7219_dac_ng_threshold_tlv),
638 SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
639 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
640
641 /* DACs */
642 SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
643 DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
644 DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
645 da7219_volsw_locked_get, da7219_volsw_locked_put,
646 da7219_dac_dig_gain_tlv),
647 SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
648 DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
649 DA7219_SWITCH_EN_MAX, DA7219_INVERT,
650 da7219_volsw_locked_get, da7219_volsw_locked_put),
651 SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
652 DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
653 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
654
655 /* CP */
656 SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
657 SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
658 DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
659 DA7219_NO_INVERT),
660
661 /* Headphones */
662 SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
663 DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
664 DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
665 da7219_volsw_locked_get, da7219_volsw_locked_put,
666 da7219_hp_gain_tlv),
667 SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
668 DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
669 DA7219_INVERT, da7219_volsw_locked_get,
670 da7219_volsw_locked_put),
671 SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
672 DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
673 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
674 SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
675 DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
676 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
677 };
678
679
680 /*
681 * DAPM Mux Controls
682 */
683
684 static const char * const da7219_out_sel_txt[] = {
685 "ADC", "Tone Generator", "DAIL", "DAIR"
686 };
687
688 static const struct soc_enum da7219_out_dail_sel =
689 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
690 DA7219_DAI_L_SRC_SHIFT,
691 DA7219_OUT_SRC_MAX,
692 da7219_out_sel_txt);
693
694 static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
695 SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
696
697 static const struct soc_enum da7219_out_dair_sel =
698 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
699 DA7219_DAI_R_SRC_SHIFT,
700 DA7219_OUT_SRC_MAX,
701 da7219_out_sel_txt);
702
703 static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
704 SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
705
706 static const struct soc_enum da7219_out_dacl_sel =
707 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
708 DA7219_DAC_L_SRC_SHIFT,
709 DA7219_OUT_SRC_MAX,
710 da7219_out_sel_txt);
711
712 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
713 SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
714
715 static const struct soc_enum da7219_out_dacr_sel =
716 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
717 DA7219_DAC_R_SRC_SHIFT,
718 DA7219_OUT_SRC_MAX,
719 da7219_out_sel_txt);
720
721 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
722 SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
723
724
725 /*
726 * DAPM Mixer Controls
727 */
728
729 static const struct snd_kcontrol_new da7219_mixin_controls[] = {
730 SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
731 DA7219_MIXIN_L_MIX_SELECT_SHIFT,
732 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
733 };
734
735 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
736 SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
737 DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
738 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
739 };
740
741 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
742 SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
743 DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
744 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
745 };
746
747 #define DA7219_DMIX_ST_CTRLS(reg) \
748 SOC_DAPM_SINGLE("Out FilterL Switch", reg, \
749 DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT, \
750 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \
751 SOC_DAPM_SINGLE("Out FilterR Switch", reg, \
752 DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT, \
753 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \
754 SOC_DAPM_SINGLE("Sidetone Switch", reg, \
755 DA7219_DMIX_ST_SRC_SIDETONE_SHIFT, \
756 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT) \
757
758 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
759 DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
760 };
761
762 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
763 DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
764 };
765
766
767 /*
768 * DAPM Events
769 */
770
771 static int da7219_mic_pga_event(struct snd_soc_dapm_widget *w,
772 struct snd_kcontrol *kcontrol, int event)
773 {
774 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
775 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
776
777 switch (event) {
778 case SND_SOC_DAPM_POST_PMU:
779 if (da7219->micbias_on_event) {
780 /*
781 * Delay only for first capture after bias enabled to
782 * avoid possible DC offset related noise.
783 */
784 da7219->micbias_on_event = false;
785 msleep(da7219->mic_pga_delay);
786 }
787 break;
788 default:
789 break;
790 }
791
792 return 0;
793 }
794
795 static int da7219_dai_event(struct snd_soc_dapm_widget *w,
796 struct snd_kcontrol *kcontrol, int event)
797 {
798 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
799 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
800 u8 pll_ctrl, pll_status;
801 int i = 0, ret;
802 bool srm_lock = false;
803
804 switch (event) {
805 case SND_SOC_DAPM_PRE_PMU:
806 if (da7219->master) {
807 /* Enable DAI clks for master mode */
808 if (da7219->dai_clks) {
809 ret = clk_prepare_enable(da7219->dai_clks);
810 if (ret) {
811 dev_err(component->dev,
812 "Failed to enable dai_clks\n");
813 return ret;
814 }
815 } else {
816 snd_soc_component_update_bits(component,
817 DA7219_DAI_CLK_MODE,
818 DA7219_DAI_CLK_EN_MASK,
819 DA7219_DAI_CLK_EN_MASK);
820 }
821 }
822
823 /* PC synchronised to DAI */
824 snd_soc_component_update_bits(component, DA7219_PC_COUNT,
825 DA7219_PC_FREERUN_MASK, 0);
826
827 /* Slave mode, if SRM not enabled no need for status checks */
828 pll_ctrl = snd_soc_component_read32(component, DA7219_PLL_CTRL);
829 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
830 return 0;
831
832 /* Check SRM has locked */
833 do {
834 pll_status = snd_soc_component_read32(component, DA7219_PLL_SRM_STS);
835 if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
836 srm_lock = true;
837 } else {
838 ++i;
839 msleep(50);
840 }
841 } while ((i < DA7219_SRM_CHECK_RETRIES) & (!srm_lock));
842
843 if (!srm_lock)
844 dev_warn(component->dev, "SRM failed to lock\n");
845
846 return 0;
847 case SND_SOC_DAPM_POST_PMD:
848 /* PC free-running */
849 snd_soc_component_update_bits(component, DA7219_PC_COUNT,
850 DA7219_PC_FREERUN_MASK,
851 DA7219_PC_FREERUN_MASK);
852
853 /* Disable DAI clks if in master mode */
854 if (da7219->master) {
855 if (da7219->dai_clks)
856 clk_disable_unprepare(da7219->dai_clks);
857 else
858 snd_soc_component_update_bits(component,
859 DA7219_DAI_CLK_MODE,
860 DA7219_DAI_CLK_EN_MASK,
861 0);
862 }
863
864 return 0;
865 default:
866 return -EINVAL;
867 }
868 }
869
870 static int da7219_settling_event(struct snd_soc_dapm_widget *w,
871 struct snd_kcontrol *kcontrol, int event)
872 {
873 switch (event) {
874 case SND_SOC_DAPM_POST_PMU:
875 case SND_SOC_DAPM_POST_PMD:
876 msleep(DA7219_SETTLING_DELAY);
877 break;
878 default:
879 break;
880 }
881
882 return 0;
883 }
884
885 static int da7219_mixout_event(struct snd_soc_dapm_widget *w,
886 struct snd_kcontrol *kcontrol, int event)
887 {
888 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
889 u8 hp_ctrl, min_gain_mask;
890
891 switch (w->reg) {
892 case DA7219_MIXOUT_L_CTRL:
893 hp_ctrl = DA7219_HP_L_CTRL;
894 min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK;
895 break;
896 case DA7219_MIXOUT_R_CTRL:
897 hp_ctrl = DA7219_HP_R_CTRL;
898 min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK;
899 break;
900 default:
901 return -EINVAL;
902 }
903
904 switch (event) {
905 case SND_SOC_DAPM_PRE_PMD:
906 /* Enable minimum gain on HP to avoid pops */
907 snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask,
908 min_gain_mask);
909
910 msleep(DA7219_MIN_GAIN_DELAY);
911
912 break;
913 case SND_SOC_DAPM_POST_PMU:
914 /* Remove minimum gain on HP */
915 snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, 0);
916
917 break;
918 }
919
920 return 0;
921 }
922
923 static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w,
924 struct snd_kcontrol *kcontrol, int event)
925 {
926 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
927 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
928
929 switch (event) {
930 case SND_SOC_DAPM_PRE_PMU:
931 case SND_SOC_DAPM_PRE_PMD:
932 /* Ensure nominal gain ramping for DAPM sequence */
933 da7219->gain_ramp_ctrl =
934 snd_soc_component_read32(component, DA7219_GAIN_RAMP_CTRL);
935 snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
936 DA7219_GAIN_RAMP_RATE_NOMINAL);
937 break;
938 case SND_SOC_DAPM_POST_PMU:
939 case SND_SOC_DAPM_POST_PMD:
940 /* Restore previous gain ramp settings */
941 snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
942 da7219->gain_ramp_ctrl);
943 break;
944 }
945
946 return 0;
947 }
948
949
950 /*
951 * DAPM Widgets
952 */
953
954 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
955 /* Input Supplies */
956 SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
957 DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
958 NULL, 0),
959
960 /* Inputs */
961 SND_SOC_DAPM_INPUT("MIC"),
962
963 /* Input PGAs */
964 SND_SOC_DAPM_PGA_E("Mic PGA", DA7219_MIC_1_CTRL,
965 DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
966 NULL, 0, da7219_mic_pga_event, SND_SOC_DAPM_POST_PMU),
967 SND_SOC_DAPM_PGA_E("Mixin PGA", DA7219_MIXIN_L_CTRL,
968 DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
969 NULL, 0, da7219_settling_event, SND_SOC_DAPM_POST_PMU),
970
971 /* Input Filters */
972 SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
973 DA7219_NO_INVERT),
974
975 /* Tone Generator */
976 SND_SOC_DAPM_SIGGEN("TONE"),
977 SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
978 DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
979
980 /* Sidetone Input */
981 SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
982 DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
983
984 /* Input Mixer Supply */
985 SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
986 DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
987 NULL, 0),
988
989 /* Input Mixer */
990 SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
991 da7219_mixin_controls,
992 ARRAY_SIZE(da7219_mixin_controls)),
993
994 /* Input Muxes */
995 SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
996 &da7219_out_dail_sel_mux),
997 SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
998 &da7219_out_dair_sel_mux),
999
1000 /* DAI Supply */
1001 SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
1002 DA7219_NO_INVERT, da7219_dai_event,
1003 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1004
1005 /* DAI */
1006 SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL,
1007 DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT),
1008 SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
1009
1010 /* Output Muxes */
1011 SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
1012 &da7219_out_dacl_sel_mux),
1013 SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
1014 &da7219_out_dacr_sel_mux),
1015
1016 /* Output Mixers */
1017 SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1018 da7219_mixout_l_controls,
1019 ARRAY_SIZE(da7219_mixout_l_controls)),
1020 SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
1021 da7219_mixout_r_controls,
1022 ARRAY_SIZE(da7219_mixout_r_controls)),
1023
1024 /* Sidetone Mixers */
1025 SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1026 da7219_st_out_filtl_mix_controls,
1027 ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
1028 SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
1029 0, da7219_st_out_filtr_mix_controls,
1030 ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
1031
1032 /* DACs */
1033 SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL,
1034 DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT,
1035 da7219_settling_event,
1036 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1037 SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL,
1038 DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT,
1039 da7219_settling_event,
1040 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1041
1042 /* Output PGAs */
1043 SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
1044 DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1045 NULL, 0, da7219_mixout_event,
1046 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1047 SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
1048 DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1049 NULL, 0, da7219_mixout_event,
1050 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1051 SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL,
1052 DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1053 da7219_settling_event,
1054 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1055 SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL,
1056 DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1057 da7219_settling_event,
1058 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1059
1060 /* Output Supplies */
1061 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL,
1062 DA7219_CP_EN_SHIFT, DA7219_NO_INVERT,
1063 da7219_settling_event,
1064 SND_SOC_DAPM_POST_PMU),
1065
1066 /* Outputs */
1067 SND_SOC_DAPM_OUTPUT("HPL"),
1068 SND_SOC_DAPM_OUTPUT("HPR"),
1069
1070 /* Pre/Post Power */
1071 SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event),
1072 SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event),
1073 };
1074
1075
1076 /*
1077 * DAPM Mux Routes
1078 */
1079
1080 #define DA7219_OUT_DAI_MUX_ROUTES(name) \
1081 {name, "ADC", "Mixer In"}, \
1082 {name, "Tone Generator", "Tone Generator"}, \
1083 {name, "DAIL", "DAIOUT"}, \
1084 {name, "DAIR", "DAIOUT"}
1085
1086 #define DA7219_OUT_DAC_MUX_ROUTES(name) \
1087 {name, "ADC", "Mixer In"}, \
1088 {name, "Tone Generator", "Tone Generator"}, \
1089 {name, "DAIL", "DAIIN"}, \
1090 {name, "DAIR", "DAIIN"}
1091
1092 /*
1093 * DAPM Mixer Routes
1094 */
1095
1096 #define DA7219_DMIX_ST_ROUTES(name) \
1097 {name, "Out FilterL Switch", "Mixer Out FilterL"}, \
1098 {name, "Out FilterR Switch", "Mixer Out FilterR"}, \
1099 {name, "Sidetone Switch", "Sidetone Filter"}
1100
1101
1102 /*
1103 * DAPM audio route definition
1104 */
1105
1106 static const struct snd_soc_dapm_route da7219_audio_map[] = {
1107 /* Input paths */
1108 {"MIC", NULL, "Mic Bias"},
1109 {"Mic PGA", NULL, "MIC"},
1110 {"Mixin PGA", NULL, "Mic PGA"},
1111 {"ADC", NULL, "Mixin PGA"},
1112
1113 {"Mixer In", NULL, "Mixer In Supply"},
1114 {"Mixer In", "Mic Switch", "ADC"},
1115
1116 {"Sidetone Filter", NULL, "Mixer In"},
1117
1118 {"Tone Generator", NULL, "TONE"},
1119
1120 DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
1121 DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
1122
1123 {"DAIOUT", NULL, "Out DAIL Mux"},
1124 {"DAIOUT", NULL, "Out DAIR Mux"},
1125 {"DAIOUT", NULL, "DAI"},
1126
1127 /* Output paths */
1128 {"DAIIN", NULL, "DAI"},
1129
1130 DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
1131 DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
1132
1133 {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
1134 {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
1135
1136 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
1137 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
1138
1139 {"DACL", NULL, "ST Mixer Out FilterL"},
1140 {"DACR", NULL, "ST Mixer Out FilterR"},
1141
1142 {"Mixout Left PGA", NULL, "DACL"},
1143 {"Mixout Right PGA", NULL, "DACR"},
1144
1145 {"HPL", NULL, "Mixout Left PGA"},
1146 {"HPR", NULL, "Mixout Right PGA"},
1147
1148 {"HPL", NULL, "Headphone Left PGA"},
1149 {"HPR", NULL, "Headphone Right PGA"},
1150
1151 {"HPL", NULL, "Charge Pump"},
1152 {"HPR", NULL, "Charge Pump"},
1153 };
1154
1155
1156 /*
1157 * DAI operations
1158 */
1159
1160 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1161 int clk_id, unsigned int freq, int dir)
1162 {
1163 struct snd_soc_component *component = codec_dai->component;
1164 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1165 int ret = 0;
1166
1167 if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1168 return 0;
1169
1170 if ((freq < 2000000) || (freq > 54000000)) {
1171 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1172 freq);
1173 return -EINVAL;
1174 }
1175
1176 mutex_lock(&da7219->pll_lock);
1177
1178 switch (clk_id) {
1179 case DA7219_CLKSRC_MCLK_SQR:
1180 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1181 DA7219_PLL_MCLK_SQR_EN_MASK,
1182 DA7219_PLL_MCLK_SQR_EN_MASK);
1183 break;
1184 case DA7219_CLKSRC_MCLK:
1185 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1186 DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1187 break;
1188 default:
1189 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1190 mutex_unlock(&da7219->pll_lock);
1191 return -EINVAL;
1192 }
1193
1194 da7219->clk_src = clk_id;
1195
1196 if (da7219->mclk) {
1197 freq = clk_round_rate(da7219->mclk, freq);
1198 ret = clk_set_rate(da7219->mclk, freq);
1199 if (ret) {
1200 dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1201 freq);
1202 mutex_unlock(&da7219->pll_lock);
1203 return ret;
1204 }
1205 }
1206
1207 da7219->mclk_rate = freq;
1208
1209 mutex_unlock(&da7219->pll_lock);
1210
1211 return 0;
1212 }
1213
1214 int da7219_set_pll(struct snd_soc_component *component, int source, unsigned int fout)
1215 {
1216 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1217
1218 u8 pll_ctrl, indiv_bits, indiv;
1219 u8 pll_frac_top, pll_frac_bot, pll_integer;
1220 u32 freq_ref;
1221 u64 frac_div;
1222
1223 /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1224 if (da7219->mclk_rate < 2000000) {
1225 dev_err(component->dev, "PLL input clock %d below valid range\n",
1226 da7219->mclk_rate);
1227 return -EINVAL;
1228 } else if (da7219->mclk_rate <= 4500000) {
1229 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1230 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1231 } else if (da7219->mclk_rate <= 9000000) {
1232 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1233 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1234 } else if (da7219->mclk_rate <= 18000000) {
1235 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1236 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1237 } else if (da7219->mclk_rate <= 36000000) {
1238 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1239 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1240 } else if (da7219->mclk_rate <= 54000000) {
1241 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1242 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1243 } else {
1244 dev_err(component->dev, "PLL input clock %d above valid range\n",
1245 da7219->mclk_rate);
1246 return -EINVAL;
1247 }
1248 freq_ref = (da7219->mclk_rate / indiv);
1249 pll_ctrl = indiv_bits;
1250
1251 /* Configure PLL */
1252 switch (source) {
1253 case DA7219_SYSCLK_MCLK:
1254 pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1255 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1256 DA7219_PLL_INDIV_MASK |
1257 DA7219_PLL_MODE_MASK, pll_ctrl);
1258 return 0;
1259 case DA7219_SYSCLK_PLL:
1260 pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1261 break;
1262 case DA7219_SYSCLK_PLL_SRM:
1263 pll_ctrl |= DA7219_PLL_MODE_SRM;
1264 break;
1265 default:
1266 dev_err(component->dev, "Invalid PLL config\n");
1267 return -EINVAL;
1268 }
1269
1270 /* Calculate dividers for PLL */
1271 pll_integer = fout / freq_ref;
1272 frac_div = (u64)(fout % freq_ref) * 8192ULL;
1273 do_div(frac_div, freq_ref);
1274 pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1275 pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1276
1277 /* Write PLL config & dividers */
1278 snd_soc_component_write(component, DA7219_PLL_FRAC_TOP, pll_frac_top);
1279 snd_soc_component_write(component, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1280 snd_soc_component_write(component, DA7219_PLL_INTEGER, pll_integer);
1281 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1282 DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1283 pll_ctrl);
1284
1285 return 0;
1286 }
1287
1288 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1289 int source, unsigned int fref, unsigned int fout)
1290 {
1291 struct snd_soc_component *component = codec_dai->component;
1292 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1293 int ret;
1294
1295 mutex_lock(&da7219->pll_lock);
1296 ret = da7219_set_pll(component, source, fout);
1297 mutex_unlock(&da7219->pll_lock);
1298
1299 return ret;
1300 }
1301
1302 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1303 {
1304 struct snd_soc_component *component = codec_dai->component;
1305 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1306 u8 dai_clk_mode = 0, dai_ctrl = 0;
1307
1308 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1309 case SND_SOC_DAIFMT_CBM_CFM:
1310 da7219->master = true;
1311 break;
1312 case SND_SOC_DAIFMT_CBS_CFS:
1313 da7219->master = false;
1314 break;
1315 default:
1316 return -EINVAL;
1317 }
1318
1319 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1320 case SND_SOC_DAIFMT_I2S:
1321 case SND_SOC_DAIFMT_LEFT_J:
1322 case SND_SOC_DAIFMT_RIGHT_J:
1323 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1324 case SND_SOC_DAIFMT_NB_NF:
1325 break;
1326 case SND_SOC_DAIFMT_NB_IF:
1327 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1328 break;
1329 case SND_SOC_DAIFMT_IB_NF:
1330 dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1331 break;
1332 case SND_SOC_DAIFMT_IB_IF:
1333 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1334 DA7219_DAI_CLK_POL_INV;
1335 break;
1336 default:
1337 return -EINVAL;
1338 }
1339 break;
1340 case SND_SOC_DAIFMT_DSP_B:
1341 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1342 case SND_SOC_DAIFMT_NB_NF:
1343 dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1344 break;
1345 case SND_SOC_DAIFMT_NB_IF:
1346 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1347 DA7219_DAI_CLK_POL_INV;
1348 break;
1349 case SND_SOC_DAIFMT_IB_NF:
1350 break;
1351 case SND_SOC_DAIFMT_IB_IF:
1352 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1353 break;
1354 default:
1355 return -EINVAL;
1356 }
1357 break;
1358 default:
1359 return -EINVAL;
1360 }
1361
1362 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1363 case SND_SOC_DAIFMT_I2S:
1364 dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1365 break;
1366 case SND_SOC_DAIFMT_LEFT_J:
1367 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1368 break;
1369 case SND_SOC_DAIFMT_RIGHT_J:
1370 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1371 break;
1372 case SND_SOC_DAIFMT_DSP_B:
1373 dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1374 break;
1375 default:
1376 return -EINVAL;
1377 }
1378
1379 /* By default 64 BCLKs per WCLK is supported */
1380 dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
1381
1382 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1383 DA7219_DAI_BCLKS_PER_WCLK_MASK |
1384 DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1385 dai_clk_mode);
1386 snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1387 dai_ctrl);
1388
1389 return 0;
1390 }
1391
1392 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1393 unsigned int tx_mask, unsigned int rx_mask,
1394 int slots, int slot_width)
1395 {
1396 struct snd_soc_component *component = dai->component;
1397 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1398 u8 dai_bclks_per_wclk;
1399 u16 offset;
1400 u32 frame_size;
1401
1402 /* No channels enabled so disable TDM, revert to 64-bit frames */
1403 if (!tx_mask) {
1404 snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1405 DA7219_DAI_TDM_CH_EN_MASK |
1406 DA7219_DAI_TDM_MODE_EN_MASK, 0);
1407 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1408 DA7219_DAI_BCLKS_PER_WCLK_MASK,
1409 DA7219_DAI_BCLKS_PER_WCLK_64);
1410 return 0;
1411 }
1412
1413 /* Check we have valid slots */
1414 if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1415 dev_err(component->dev, "Invalid number of slots, max = %d\n",
1416 DA7219_DAI_TDM_MAX_SLOTS);
1417 return -EINVAL;
1418 }
1419
1420 /* Check we have a valid offset given */
1421 if (rx_mask > DA7219_DAI_OFFSET_MAX) {
1422 dev_err(component->dev, "Invalid slot offset, max = %d\n",
1423 DA7219_DAI_OFFSET_MAX);
1424 return -EINVAL;
1425 }
1426
1427 /* Calculate & validate frame size based on slot info provided. */
1428 frame_size = slots * slot_width;
1429 switch (frame_size) {
1430 case 32:
1431 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1432 break;
1433 case 64:
1434 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1435 break;
1436 case 128:
1437 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1438 break;
1439 case 256:
1440 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1441 break;
1442 default:
1443 dev_err(component->dev, "Invalid frame size %d\n", frame_size);
1444 return -EINVAL;
1445 }
1446
1447 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1448 DA7219_DAI_BCLKS_PER_WCLK_MASK,
1449 dai_bclks_per_wclk);
1450
1451 offset = cpu_to_le16(rx_mask);
1452 regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1453 &offset, sizeof(offset));
1454
1455 snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1456 DA7219_DAI_TDM_CH_EN_MASK |
1457 DA7219_DAI_TDM_MODE_EN_MASK,
1458 (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1459 DA7219_DAI_TDM_MODE_EN_MASK);
1460
1461 return 0;
1462 }
1463
1464 static int da7219_hw_params(struct snd_pcm_substream *substream,
1465 struct snd_pcm_hw_params *params,
1466 struct snd_soc_dai *dai)
1467 {
1468 struct snd_soc_component *component = dai->component;
1469 u8 dai_ctrl = 0, fs;
1470 unsigned int channels;
1471
1472 switch (params_width(params)) {
1473 case 16:
1474 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1475 break;
1476 case 20:
1477 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1478 break;
1479 case 24:
1480 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1481 break;
1482 case 32:
1483 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1484 break;
1485 default:
1486 return -EINVAL;
1487 }
1488
1489 channels = params_channels(params);
1490 if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1491 dev_err(component->dev,
1492 "Invalid number of channels, only 1 to %d supported\n",
1493 DA7219_DAI_CH_NUM_MAX);
1494 return -EINVAL;
1495 }
1496 dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1497
1498 switch (params_rate(params)) {
1499 case 8000:
1500 fs = DA7219_SR_8000;
1501 break;
1502 case 11025:
1503 fs = DA7219_SR_11025;
1504 break;
1505 case 12000:
1506 fs = DA7219_SR_12000;
1507 break;
1508 case 16000:
1509 fs = DA7219_SR_16000;
1510 break;
1511 case 22050:
1512 fs = DA7219_SR_22050;
1513 break;
1514 case 24000:
1515 fs = DA7219_SR_24000;
1516 break;
1517 case 32000:
1518 fs = DA7219_SR_32000;
1519 break;
1520 case 44100:
1521 fs = DA7219_SR_44100;
1522 break;
1523 case 48000:
1524 fs = DA7219_SR_48000;
1525 break;
1526 case 88200:
1527 fs = DA7219_SR_88200;
1528 break;
1529 case 96000:
1530 fs = DA7219_SR_96000;
1531 break;
1532 default:
1533 return -EINVAL;
1534 }
1535
1536 snd_soc_component_update_bits(component, DA7219_DAI_CTRL,
1537 DA7219_DAI_WORD_LENGTH_MASK |
1538 DA7219_DAI_CH_NUM_MASK,
1539 dai_ctrl);
1540 snd_soc_component_write(component, DA7219_SR, fs);
1541
1542 return 0;
1543 }
1544
1545 static const struct snd_soc_dai_ops da7219_dai_ops = {
1546 .hw_params = da7219_hw_params,
1547 .set_sysclk = da7219_set_dai_sysclk,
1548 .set_pll = da7219_set_dai_pll,
1549 .set_fmt = da7219_set_dai_fmt,
1550 .set_tdm_slot = da7219_set_dai_tdm_slot,
1551 };
1552
1553 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1554 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1555
1556 static struct snd_soc_dai_driver da7219_dai = {
1557 .name = "da7219-hifi",
1558 .playback = {
1559 .stream_name = "Playback",
1560 .channels_min = 1,
1561 .channels_max = DA7219_DAI_CH_NUM_MAX,
1562 .rates = SNDRV_PCM_RATE_8000_96000,
1563 .formats = DA7219_FORMATS,
1564 },
1565 .capture = {
1566 .stream_name = "Capture",
1567 .channels_min = 1,
1568 .channels_max = DA7219_DAI_CH_NUM_MAX,
1569 .rates = SNDRV_PCM_RATE_8000_96000,
1570 .formats = DA7219_FORMATS,
1571 },
1572 .ops = &da7219_dai_ops,
1573 .symmetric_rates = 1,
1574 .symmetric_channels = 1,
1575 .symmetric_samplebits = 1,
1576 };
1577
1578
1579 /*
1580 * DT/ACPI
1581 */
1582
1583 static const struct of_device_id da7219_of_match[] = {
1584 { .compatible = "dlg,da7219", },
1585 { }
1586 };
1587 MODULE_DEVICE_TABLE(of, da7219_of_match);
1588
1589 static const struct acpi_device_id da7219_acpi_match[] = {
1590 { .id = "DLGS7219", },
1591 { }
1592 };
1593 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1594
1595 static enum da7219_micbias_voltage
1596 da7219_fw_micbias_lvl(struct device *dev, u32 val)
1597 {
1598 switch (val) {
1599 case 1600:
1600 return DA7219_MICBIAS_1_6V;
1601 case 1800:
1602 return DA7219_MICBIAS_1_8V;
1603 case 2000:
1604 return DA7219_MICBIAS_2_0V;
1605 case 2200:
1606 return DA7219_MICBIAS_2_2V;
1607 case 2400:
1608 return DA7219_MICBIAS_2_4V;
1609 case 2600:
1610 return DA7219_MICBIAS_2_6V;
1611 default:
1612 dev_warn(dev, "Invalid micbias level");
1613 return DA7219_MICBIAS_2_2V;
1614 }
1615 }
1616
1617 static enum da7219_mic_amp_in_sel
1618 da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
1619 {
1620 if (!strcmp(str, "diff")) {
1621 return DA7219_MIC_AMP_IN_SEL_DIFF;
1622 } else if (!strcmp(str, "se_p")) {
1623 return DA7219_MIC_AMP_IN_SEL_SE_P;
1624 } else if (!strcmp(str, "se_n")) {
1625 return DA7219_MIC_AMP_IN_SEL_SE_N;
1626 } else {
1627 dev_warn(dev, "Invalid mic input type selection");
1628 return DA7219_MIC_AMP_IN_SEL_DIFF;
1629 }
1630 }
1631
1632 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_component *component)
1633 {
1634 struct device *dev = component->dev;
1635 struct da7219_pdata *pdata;
1636 const char *of_str;
1637 u32 of_val32;
1638
1639 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1640 if (!pdata)
1641 return NULL;
1642
1643 pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
1644
1645 pdata->dai_clks_name = "da7219-dai-clks";
1646 if (device_property_read_string(dev, "clock-output-names",
1647 &pdata->dai_clks_name))
1648 dev_warn(dev, "Using default clk name: %s\n",
1649 pdata->dai_clks_name);
1650
1651 if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
1652 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
1653 else
1654 pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1655
1656 if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
1657 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
1658 else
1659 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1660
1661 return pdata;
1662 }
1663
1664
1665 /*
1666 * Codec driver functions
1667 */
1668
1669 static int da7219_set_bias_level(struct snd_soc_component *component,
1670 enum snd_soc_bias_level level)
1671 {
1672 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1673 int ret;
1674
1675 switch (level) {
1676 case SND_SOC_BIAS_ON:
1677 break;
1678 case SND_SOC_BIAS_PREPARE:
1679 /* Enable MCLK for transition to ON state */
1680 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1681 if (da7219->mclk) {
1682 ret = clk_prepare_enable(da7219->mclk);
1683 if (ret) {
1684 dev_err(component->dev,
1685 "Failed to enable mclk\n");
1686 return ret;
1687 }
1688 }
1689 }
1690
1691 break;
1692 case SND_SOC_BIAS_STANDBY:
1693 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
1694 /* Master bias */
1695 snd_soc_component_update_bits(component, DA7219_REFERENCES,
1696 DA7219_BIAS_EN_MASK,
1697 DA7219_BIAS_EN_MASK);
1698
1699 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE) {
1700 /* Remove MCLK */
1701 if (da7219->mclk)
1702 clk_disable_unprepare(da7219->mclk);
1703 }
1704 break;
1705 case SND_SOC_BIAS_OFF:
1706 /* Only disable master bias if we're not a wake-up source */
1707 if (!da7219->wakeup_source)
1708 snd_soc_component_update_bits(component, DA7219_REFERENCES,
1709 DA7219_BIAS_EN_MASK, 0);
1710
1711 break;
1712 }
1713
1714 return 0;
1715 }
1716
1717 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1718 [DA7219_SUPPLY_VDD] = "VDD",
1719 [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1720 [DA7219_SUPPLY_VDDIO] = "VDDIO",
1721 };
1722
1723 static int da7219_handle_supplies(struct snd_soc_component *component)
1724 {
1725 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1726 struct regulator *vddio;
1727 u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1728 int i, ret;
1729
1730 /* Get required supplies */
1731 for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1732 da7219->supplies[i].supply = da7219_supply_names[i];
1733
1734 ret = devm_regulator_bulk_get(component->dev, DA7219_NUM_SUPPLIES,
1735 da7219->supplies);
1736 if (ret) {
1737 dev_err(component->dev, "Failed to get supplies");
1738 return ret;
1739 }
1740
1741 /* Determine VDDIO voltage provided */
1742 vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1743 ret = regulator_get_voltage(vddio);
1744 if (ret < 1200000)
1745 dev_warn(component->dev, "Invalid VDDIO voltage\n");
1746 else if (ret < 2800000)
1747 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1748
1749 /* Enable main supplies */
1750 ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1751 if (ret) {
1752 dev_err(component->dev, "Failed to enable supplies");
1753 return ret;
1754 }
1755
1756 /* Ensure device in active mode */
1757 snd_soc_component_write(component, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1758
1759 /* Update IO voltage level range */
1760 snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl);
1761
1762 return 0;
1763 }
1764
1765 #ifdef CONFIG_COMMON_CLK
1766 static int da7219_dai_clks_prepare(struct clk_hw *hw)
1767 {
1768 struct da7219_priv *da7219 =
1769 container_of(hw, struct da7219_priv, dai_clks_hw);
1770 struct snd_soc_component *component = da7219->aad->component;
1771
1772 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1773 DA7219_DAI_CLK_EN_MASK,
1774 DA7219_DAI_CLK_EN_MASK);
1775
1776 return 0;
1777 }
1778
1779 static void da7219_dai_clks_unprepare(struct clk_hw *hw)
1780 {
1781 struct da7219_priv *da7219 =
1782 container_of(hw, struct da7219_priv, dai_clks_hw);
1783 struct snd_soc_component *component = da7219->aad->component;
1784
1785 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1786 DA7219_DAI_CLK_EN_MASK, 0);
1787 }
1788
1789 static int da7219_dai_clks_is_prepared(struct clk_hw *hw)
1790 {
1791 struct da7219_priv *da7219 =
1792 container_of(hw, struct da7219_priv, dai_clks_hw);
1793 struct snd_soc_component *component = da7219->aad->component;
1794 u8 clk_reg;
1795
1796 clk_reg = snd_soc_component_read32(component, DA7219_DAI_CLK_MODE);
1797
1798 return !!(clk_reg & DA7219_DAI_CLK_EN_MASK);
1799 }
1800
1801 static const struct clk_ops da7219_dai_clks_ops = {
1802 .prepare = da7219_dai_clks_prepare,
1803 .unprepare = da7219_dai_clks_unprepare,
1804 .is_prepared = da7219_dai_clks_is_prepared,
1805 };
1806
1807 static void da7219_register_dai_clks(struct snd_soc_component *component)
1808 {
1809 struct device *dev = component->dev;
1810 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1811 struct da7219_pdata *pdata = da7219->pdata;
1812 struct clk_init_data init = {};
1813 struct clk *dai_clks;
1814 struct clk_lookup *dai_clks_lookup;
1815
1816 init.parent_names = NULL;
1817 init.num_parents = 0;
1818 init.name = pdata->dai_clks_name;
1819 init.ops = &da7219_dai_clks_ops;
1820 da7219->dai_clks_hw.init = &init;
1821
1822 dai_clks = devm_clk_register(dev, &da7219->dai_clks_hw);
1823 if (IS_ERR(dai_clks)) {
1824 dev_warn(dev, "Failed to register DAI clocks: %ld\n",
1825 PTR_ERR(dai_clks));
1826 return;
1827 }
1828 da7219->dai_clks = dai_clks;
1829
1830 /* If we're using DT, then register as provider accordingly */
1831 if (dev->of_node) {
1832 devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
1833 &da7219->dai_clks_hw);
1834 } else {
1835 dai_clks_lookup = clkdev_create(dai_clks, pdata->dai_clks_name,
1836 "%s", dev_name(dev));
1837 if (!dai_clks_lookup)
1838 dev_warn(dev, "Failed to create DAI clkdev");
1839 else
1840 da7219->dai_clks_lookup = dai_clks_lookup;
1841 }
1842 }
1843 #else
1844 static inline void da7219_register_dai_clks(struct snd_soc_component *component) {}
1845 #endif /* CONFIG_COMMON_CLK */
1846
1847 static void da7219_handle_pdata(struct snd_soc_component *component)
1848 {
1849 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1850 struct da7219_pdata *pdata = da7219->pdata;
1851
1852 if (pdata) {
1853 u8 micbias_lvl = 0;
1854
1855 da7219->wakeup_source = pdata->wakeup_source;
1856
1857 da7219_register_dai_clks(component);
1858
1859 /* Mic Bias voltages */
1860 switch (pdata->micbias_lvl) {
1861 case DA7219_MICBIAS_1_6V:
1862 case DA7219_MICBIAS_1_8V:
1863 case DA7219_MICBIAS_2_0V:
1864 case DA7219_MICBIAS_2_2V:
1865 case DA7219_MICBIAS_2_4V:
1866 case DA7219_MICBIAS_2_6V:
1867 micbias_lvl |= (pdata->micbias_lvl <<
1868 DA7219_MICBIAS1_LEVEL_SHIFT);
1869 break;
1870 }
1871
1872 snd_soc_component_write(component, DA7219_MICBIAS_CTRL, micbias_lvl);
1873
1874 /*
1875 * Calculate delay required to compensate for DC offset in
1876 * Mic PGA, based on Mic Bias voltage.
1877 */
1878 da7219->mic_pga_delay = DA7219_MIC_PGA_BASE_DELAY +
1879 (pdata->micbias_lvl *
1880 DA7219_MIC_PGA_OFFSET_DELAY);
1881
1882 /* Mic */
1883 switch (pdata->mic_amp_in_sel) {
1884 case DA7219_MIC_AMP_IN_SEL_DIFF:
1885 case DA7219_MIC_AMP_IN_SEL_SE_P:
1886 case DA7219_MIC_AMP_IN_SEL_SE_N:
1887 snd_soc_component_write(component, DA7219_MIC_1_SELECT,
1888 pdata->mic_amp_in_sel);
1889 break;
1890 }
1891 }
1892 }
1893
1894 static struct reg_sequence da7219_rev_aa_patch[] = {
1895 { DA7219_REFERENCES, 0x08 },
1896 };
1897
1898 static int da7219_probe(struct snd_soc_component *component)
1899 {
1900 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1901 unsigned int rev;
1902 int ret;
1903
1904 mutex_init(&da7219->ctrl_lock);
1905 mutex_init(&da7219->pll_lock);
1906
1907 /* Regulator configuration */
1908 ret = da7219_handle_supplies(component);
1909 if (ret)
1910 return ret;
1911
1912 ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
1913 if (ret) {
1914 dev_err(component->dev, "Failed to read chip revision: %d\n", ret);
1915 goto err_disable_reg;
1916 }
1917
1918 switch (rev & DA7219_CHIP_MINOR_MASK) {
1919 case 0:
1920 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
1921 ARRAY_SIZE(da7219_rev_aa_patch));
1922 if (ret) {
1923 dev_err(component->dev, "Failed to register AA patch: %d\n",
1924 ret);
1925 goto err_disable_reg;
1926 }
1927 break;
1928 default:
1929 break;
1930 }
1931
1932 /* Handle DT/ACPI/Platform data */
1933 da7219->pdata = dev_get_platdata(component->dev);
1934 if (!da7219->pdata)
1935 da7219->pdata = da7219_fw_to_pdata(component);
1936
1937 da7219_handle_pdata(component);
1938
1939 /* Check if MCLK provided */
1940 da7219->mclk = devm_clk_get(component->dev, "mclk");
1941 if (IS_ERR(da7219->mclk)) {
1942 if (PTR_ERR(da7219->mclk) != -ENOENT) {
1943 ret = PTR_ERR(da7219->mclk);
1944 goto err_disable_reg;
1945 } else {
1946 da7219->mclk = NULL;
1947 }
1948 }
1949
1950 /* Default PC counter to free-running */
1951 snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
1952 DA7219_PC_FREERUN_MASK);
1953
1954 /* Default gain ramping */
1955 snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
1956 DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
1957 DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
1958 snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
1959 DA7219_ADC_L_RAMP_EN_MASK);
1960 snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
1961 DA7219_DAC_L_RAMP_EN_MASK);
1962 snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
1963 DA7219_DAC_R_RAMP_EN_MASK);
1964 snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
1965 DA7219_HP_L_AMP_RAMP_EN_MASK,
1966 DA7219_HP_L_AMP_RAMP_EN_MASK);
1967 snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
1968 DA7219_HP_R_AMP_RAMP_EN_MASK,
1969 DA7219_HP_R_AMP_RAMP_EN_MASK);
1970
1971 /* Default minimum gain on HP to avoid pops during DAPM sequencing */
1972 snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
1973 DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
1974 DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
1975 snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
1976 DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
1977 DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
1978
1979 /* Default infinite tone gen, start/stop by Kcontrol */
1980 snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
1981
1982 /* Initialise AAD block */
1983 ret = da7219_aad_init(component);
1984 if (ret)
1985 goto err_disable_reg;
1986
1987 return 0;
1988
1989 err_disable_reg:
1990 regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1991
1992 return ret;
1993 }
1994
1995 static void da7219_remove(struct snd_soc_component *component)
1996 {
1997 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1998
1999 da7219_aad_exit(component);
2000
2001 #ifdef CONFIG_COMMON_CLK
2002 if (da7219->dai_clks_lookup)
2003 clkdev_drop(da7219->dai_clks_lookup);
2004 #endif
2005
2006 /* Supplies */
2007 regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
2008 }
2009
2010 #ifdef CONFIG_PM
2011 static int da7219_suspend(struct snd_soc_component *component)
2012 {
2013 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2014
2015 /* Suspend AAD if we're not a wake-up source */
2016 if (!da7219->wakeup_source)
2017 da7219_aad_suspend(component);
2018
2019 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
2020
2021 return 0;
2022 }
2023
2024 static int da7219_resume(struct snd_soc_component *component)
2025 {
2026 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2027
2028 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
2029
2030 /* Resume AAD if previously suspended */
2031 if (!da7219->wakeup_source)
2032 da7219_aad_resume(component);
2033
2034 return 0;
2035 }
2036 #else
2037 #define da7219_suspend NULL
2038 #define da7219_resume NULL
2039 #endif
2040
2041 static const struct snd_soc_component_driver soc_component_dev_da7219 = {
2042 .probe = da7219_probe,
2043 .remove = da7219_remove,
2044 .suspend = da7219_suspend,
2045 .resume = da7219_resume,
2046 .set_bias_level = da7219_set_bias_level,
2047 .controls = da7219_snd_controls,
2048 .num_controls = ARRAY_SIZE(da7219_snd_controls),
2049 .dapm_widgets = da7219_dapm_widgets,
2050 .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets),
2051 .dapm_routes = da7219_audio_map,
2052 .num_dapm_routes = ARRAY_SIZE(da7219_audio_map),
2053 .idle_bias_on = 1,
2054 .use_pmdown_time = 1,
2055 .endianness = 1,
2056 .non_legacy_dai_naming = 1,
2057 };
2058
2059
2060 /*
2061 * Regmap configs
2062 */
2063
2064 static struct reg_default da7219_reg_defaults[] = {
2065 { DA7219_MIC_1_SELECT, 0x00 },
2066 { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
2067 { DA7219_SR_24_48, 0x00 },
2068 { DA7219_SR, 0x0A },
2069 { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
2070 { DA7219_PLL_CTRL, 0x10 },
2071 { DA7219_PLL_FRAC_TOP, 0x00 },
2072 { DA7219_PLL_FRAC_BOT, 0x00 },
2073 { DA7219_PLL_INTEGER, 0x20 },
2074 { DA7219_DIG_ROUTING_DAI, 0x10 },
2075 { DA7219_DAI_CLK_MODE, 0x01 },
2076 { DA7219_DAI_CTRL, 0x28 },
2077 { DA7219_DAI_TDM_CTRL, 0x40 },
2078 { DA7219_DIG_ROUTING_DAC, 0x32 },
2079 { DA7219_DAI_OFFSET_LOWER, 0x00 },
2080 { DA7219_DAI_OFFSET_UPPER, 0x00 },
2081 { DA7219_REFERENCES, 0x08 },
2082 { DA7219_MIXIN_L_SELECT, 0x00 },
2083 { DA7219_MIXIN_L_GAIN, 0x03 },
2084 { DA7219_ADC_L_GAIN, 0x6F },
2085 { DA7219_ADC_FILTERS1, 0x80 },
2086 { DA7219_MIC_1_GAIN, 0x01 },
2087 { DA7219_SIDETONE_CTRL, 0x40 },
2088 { DA7219_SIDETONE_GAIN, 0x0E },
2089 { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
2090 { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
2091 { DA7219_DAC_FILTERS5, 0x00 },
2092 { DA7219_DAC_FILTERS2, 0x88 },
2093 { DA7219_DAC_FILTERS3, 0x88 },
2094 { DA7219_DAC_FILTERS4, 0x08 },
2095 { DA7219_DAC_FILTERS1, 0x80 },
2096 { DA7219_DAC_L_GAIN, 0x6F },
2097 { DA7219_DAC_R_GAIN, 0x6F },
2098 { DA7219_CP_CTRL, 0x20 },
2099 { DA7219_HP_L_GAIN, 0x39 },
2100 { DA7219_HP_R_GAIN, 0x39 },
2101 { DA7219_MIXOUT_L_SELECT, 0x00 },
2102 { DA7219_MIXOUT_R_SELECT, 0x00 },
2103 { DA7219_MICBIAS_CTRL, 0x03 },
2104 { DA7219_MIC_1_CTRL, 0x40 },
2105 { DA7219_MIXIN_L_CTRL, 0x40 },
2106 { DA7219_ADC_L_CTRL, 0x40 },
2107 { DA7219_DAC_L_CTRL, 0x40 },
2108 { DA7219_DAC_R_CTRL, 0x40 },
2109 { DA7219_HP_L_CTRL, 0x40 },
2110 { DA7219_HP_R_CTRL, 0x40 },
2111 { DA7219_MIXOUT_L_CTRL, 0x10 },
2112 { DA7219_MIXOUT_R_CTRL, 0x10 },
2113 { DA7219_CHIP_ID1, 0x23 },
2114 { DA7219_CHIP_ID2, 0x93 },
2115 { DA7219_IO_CTRL, 0x00 },
2116 { DA7219_GAIN_RAMP_CTRL, 0x00 },
2117 { DA7219_PC_COUNT, 0x02 },
2118 { DA7219_CP_VOL_THRESHOLD1, 0x0E },
2119 { DA7219_DIG_CTRL, 0x00 },
2120 { DA7219_ALC_CTRL2, 0x00 },
2121 { DA7219_ALC_CTRL3, 0x00 },
2122 { DA7219_ALC_NOISE, 0x3F },
2123 { DA7219_ALC_TARGET_MIN, 0x3F },
2124 { DA7219_ALC_TARGET_MAX, 0x00 },
2125 { DA7219_ALC_GAIN_LIMITS, 0xFF },
2126 { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
2127 { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
2128 { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
2129 { DA7219_DAC_NG_SETUP_TIME, 0x00 },
2130 { DA7219_DAC_NG_OFF_THRESH, 0x00 },
2131 { DA7219_DAC_NG_ON_THRESH, 0x00 },
2132 { DA7219_DAC_NG_CTRL, 0x00 },
2133 { DA7219_TONE_GEN_CFG1, 0x00 },
2134 { DA7219_TONE_GEN_CFG2, 0x00 },
2135 { DA7219_TONE_GEN_CYCLES, 0x00 },
2136 { DA7219_TONE_GEN_FREQ1_L, 0x55 },
2137 { DA7219_TONE_GEN_FREQ1_U, 0x15 },
2138 { DA7219_TONE_GEN_FREQ2_L, 0x00 },
2139 { DA7219_TONE_GEN_FREQ2_U, 0x40 },
2140 { DA7219_TONE_GEN_ON_PER, 0x02 },
2141 { DA7219_TONE_GEN_OFF_PER, 0x01 },
2142 { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
2143 { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
2144 { DA7219_ACCDET_CONFIG_1, 0xD6 },
2145 { DA7219_ACCDET_CONFIG_2, 0x34 },
2146 { DA7219_ACCDET_CONFIG_3, 0x0A },
2147 { DA7219_ACCDET_CONFIG_4, 0x16 },
2148 { DA7219_ACCDET_CONFIG_5, 0x21 },
2149 { DA7219_ACCDET_CONFIG_6, 0x3E },
2150 { DA7219_ACCDET_CONFIG_7, 0x01 },
2151 { DA7219_SYSTEM_ACTIVE, 0x00 },
2152 };
2153
2154 static bool da7219_volatile_register(struct device *dev, unsigned int reg)
2155 {
2156 switch (reg) {
2157 case DA7219_MIC_1_GAIN_STATUS:
2158 case DA7219_MIXIN_L_GAIN_STATUS:
2159 case DA7219_ADC_L_GAIN_STATUS:
2160 case DA7219_DAC_L_GAIN_STATUS:
2161 case DA7219_DAC_R_GAIN_STATUS:
2162 case DA7219_HP_L_GAIN_STATUS:
2163 case DA7219_HP_R_GAIN_STATUS:
2164 case DA7219_CIF_CTRL:
2165 case DA7219_PLL_SRM_STS:
2166 case DA7219_ALC_CTRL1:
2167 case DA7219_SYSTEM_MODES_INPUT:
2168 case DA7219_SYSTEM_MODES_OUTPUT:
2169 case DA7219_ALC_OFFSET_AUTO_M_L:
2170 case DA7219_ALC_OFFSET_AUTO_U_L:
2171 case DA7219_TONE_GEN_CFG1:
2172 case DA7219_ACCDET_STATUS_A:
2173 case DA7219_ACCDET_STATUS_B:
2174 case DA7219_ACCDET_IRQ_EVENT_A:
2175 case DA7219_ACCDET_IRQ_EVENT_B:
2176 case DA7219_ACCDET_CONFIG_8:
2177 case DA7219_SYSTEM_STATUS:
2178 return true;
2179 default:
2180 return false;
2181 }
2182 }
2183
2184 static const struct regmap_config da7219_regmap_config = {
2185 .reg_bits = 8,
2186 .val_bits = 8,
2187
2188 .max_register = DA7219_SYSTEM_ACTIVE,
2189 .reg_defaults = da7219_reg_defaults,
2190 .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
2191 .volatile_reg = da7219_volatile_register,
2192 .cache_type = REGCACHE_RBTREE,
2193 };
2194
2195
2196 /*
2197 * I2C layer
2198 */
2199
2200 static int da7219_i2c_probe(struct i2c_client *i2c,
2201 const struct i2c_device_id *id)
2202 {
2203 struct da7219_priv *da7219;
2204 unsigned int system_active, system_status;
2205 int i, ret;
2206
2207 da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
2208 GFP_KERNEL);
2209 if (!da7219)
2210 return -ENOMEM;
2211
2212 i2c_set_clientdata(i2c, da7219);
2213
2214 da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
2215 if (IS_ERR(da7219->regmap)) {
2216 ret = PTR_ERR(da7219->regmap);
2217 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2218 return ret;
2219 }
2220
2221 regcache_cache_bypass(da7219->regmap, true);
2222
2223 /* Disable audio paths if still active from previous start */
2224 regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active);
2225 if (system_active) {
2226 regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL,
2227 DA7219_GAIN_RAMP_RATE_NOMINAL);
2228 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00);
2229 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01);
2230
2231 for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) {
2232 regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS,
2233 &system_status);
2234 if (!system_status)
2235 break;
2236
2237 msleep(DA7219_SYS_STAT_CHECK_DELAY);
2238 }
2239 }
2240
2241 /* Soft reset component */
2242 regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
2243 DA7219_ACCDET_EN_MASK, 0);
2244 regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
2245 DA7219_CIF_REG_SOFT_RESET_MASK,
2246 DA7219_CIF_REG_SOFT_RESET_MASK);
2247 regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
2248 DA7219_SYSTEM_ACTIVE_MASK, 0);
2249
2250 regcache_cache_bypass(da7219->regmap, false);
2251
2252 ret = devm_snd_soc_register_component(&i2c->dev,
2253 &soc_component_dev_da7219,
2254 &da7219_dai, 1);
2255 if (ret < 0) {
2256 dev_err(&i2c->dev, "Failed to register da7219 component: %d\n",
2257 ret);
2258 }
2259 return ret;
2260 }
2261
2262 static int da7219_i2c_remove(struct i2c_client *client)
2263 {
2264 return 0;
2265 }
2266
2267 static const struct i2c_device_id da7219_i2c_id[] = {
2268 { "da7219", },
2269 { }
2270 };
2271 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
2272
2273 static struct i2c_driver da7219_i2c_driver = {
2274 .driver = {
2275 .name = "da7219",
2276 .of_match_table = of_match_ptr(da7219_of_match),
2277 .acpi_match_table = ACPI_PTR(da7219_acpi_match),
2278 },
2279 .probe = da7219_i2c_probe,
2280 .remove = da7219_i2c_remove,
2281 .id_table = da7219_i2c_id,
2282 };
2283
2284 module_i2c_driver(da7219_i2c_driver);
2285
2286 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
2287 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2288 MODULE_LICENSE("GPL");
(deprecated) Btrfs devel tree