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[mirror_ubuntu-focal-kernel.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/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 __le16 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 __le16 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 struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
801 u8 pll_ctrl, pll_status;
802 int i = 0, ret;
803 bool srm_lock = false;
804
805 switch (event) {
806 case SND_SOC_DAPM_PRE_PMU:
807 if (da7219->master) {
808 /* Enable DAI clks for master mode */
809 if (bclk) {
810 ret = clk_prepare_enable(bclk);
811 if (ret) {
812 dev_err(component->dev,
813 "Failed to enable DAI clks\n");
814 return ret;
815 }
816 } else {
817 snd_soc_component_update_bits(component,
818 DA7219_DAI_CLK_MODE,
819 DA7219_DAI_CLK_EN_MASK,
820 DA7219_DAI_CLK_EN_MASK);
821 }
822 }
823
824 /* PC synchronised to DAI */
825 snd_soc_component_update_bits(component, DA7219_PC_COUNT,
826 DA7219_PC_FREERUN_MASK, 0);
827
828 /* Slave mode, if SRM not enabled no need for status checks */
829 pll_ctrl = snd_soc_component_read32(component, DA7219_PLL_CTRL);
830 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
831 return 0;
832
833 /* Check SRM has locked */
834 do {
835 pll_status = snd_soc_component_read32(component, DA7219_PLL_SRM_STS);
836 if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
837 srm_lock = true;
838 } else {
839 ++i;
840 msleep(50);
841 }
842 } while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock));
843
844 if (!srm_lock)
845 dev_warn(component->dev, "SRM failed to lock\n");
846
847 return 0;
848 case SND_SOC_DAPM_POST_PMD:
849 /* PC free-running */
850 snd_soc_component_update_bits(component, DA7219_PC_COUNT,
851 DA7219_PC_FREERUN_MASK,
852 DA7219_PC_FREERUN_MASK);
853
854 /* Disable DAI clks if in master mode */
855 if (da7219->master) {
856 if (bclk)
857 clk_disable_unprepare(bclk);
858 else
859 snd_soc_component_update_bits(component,
860 DA7219_DAI_CLK_MODE,
861 DA7219_DAI_CLK_EN_MASK,
862 0);
863 }
864
865 return 0;
866 default:
867 return -EINVAL;
868 }
869 }
870
871 static int da7219_settling_event(struct snd_soc_dapm_widget *w,
872 struct snd_kcontrol *kcontrol, int event)
873 {
874 switch (event) {
875 case SND_SOC_DAPM_POST_PMU:
876 case SND_SOC_DAPM_POST_PMD:
877 msleep(DA7219_SETTLING_DELAY);
878 break;
879 default:
880 break;
881 }
882
883 return 0;
884 }
885
886 static int da7219_mixout_event(struct snd_soc_dapm_widget *w,
887 struct snd_kcontrol *kcontrol, int event)
888 {
889 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
890 u8 hp_ctrl, min_gain_mask;
891
892 switch (w->reg) {
893 case DA7219_MIXOUT_L_CTRL:
894 hp_ctrl = DA7219_HP_L_CTRL;
895 min_gain_mask = DA7219_HP_L_AMP_MIN_GAIN_EN_MASK;
896 break;
897 case DA7219_MIXOUT_R_CTRL:
898 hp_ctrl = DA7219_HP_R_CTRL;
899 min_gain_mask = DA7219_HP_R_AMP_MIN_GAIN_EN_MASK;
900 break;
901 default:
902 return -EINVAL;
903 }
904
905 switch (event) {
906 case SND_SOC_DAPM_PRE_PMD:
907 /* Enable minimum gain on HP to avoid pops */
908 snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask,
909 min_gain_mask);
910
911 msleep(DA7219_MIN_GAIN_DELAY);
912
913 break;
914 case SND_SOC_DAPM_POST_PMU:
915 /* Remove minimum gain on HP */
916 snd_soc_component_update_bits(component, hp_ctrl, min_gain_mask, 0);
917
918 break;
919 }
920
921 return 0;
922 }
923
924 static int da7219_gain_ramp_event(struct snd_soc_dapm_widget *w,
925 struct snd_kcontrol *kcontrol, int event)
926 {
927 struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);
928 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
929
930 switch (event) {
931 case SND_SOC_DAPM_PRE_PMU:
932 case SND_SOC_DAPM_PRE_PMD:
933 /* Ensure nominal gain ramping for DAPM sequence */
934 da7219->gain_ramp_ctrl =
935 snd_soc_component_read32(component, DA7219_GAIN_RAMP_CTRL);
936 snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
937 DA7219_GAIN_RAMP_RATE_NOMINAL);
938 break;
939 case SND_SOC_DAPM_POST_PMU:
940 case SND_SOC_DAPM_POST_PMD:
941 /* Restore previous gain ramp settings */
942 snd_soc_component_write(component, DA7219_GAIN_RAMP_CTRL,
943 da7219->gain_ramp_ctrl);
944 break;
945 }
946
947 return 0;
948 }
949
950
951 /*
952 * DAPM Widgets
953 */
954
955 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
956 /* Input Supplies */
957 SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
958 DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
959 NULL, 0),
960
961 /* Inputs */
962 SND_SOC_DAPM_INPUT("MIC"),
963
964 /* Input PGAs */
965 SND_SOC_DAPM_PGA_E("Mic PGA", DA7219_MIC_1_CTRL,
966 DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
967 NULL, 0, da7219_mic_pga_event, SND_SOC_DAPM_POST_PMU),
968 SND_SOC_DAPM_PGA_E("Mixin PGA", DA7219_MIXIN_L_CTRL,
969 DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
970 NULL, 0, da7219_settling_event, SND_SOC_DAPM_POST_PMU),
971
972 /* Input Filters */
973 SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
974 DA7219_NO_INVERT),
975
976 /* Tone Generator */
977 SND_SOC_DAPM_SIGGEN("TONE"),
978 SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
979 DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
980
981 /* Sidetone Input */
982 SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
983 DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
984
985 /* Input Mixer Supply */
986 SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
987 DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
988 NULL, 0),
989
990 /* Input Mixer */
991 SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
992 da7219_mixin_controls,
993 ARRAY_SIZE(da7219_mixin_controls)),
994
995 /* Input Muxes */
996 SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
997 &da7219_out_dail_sel_mux),
998 SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
999 &da7219_out_dair_sel_mux),
1000
1001 /* DAI Supply */
1002 SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
1003 DA7219_NO_INVERT, da7219_dai_event,
1004 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
1005
1006 /* DAI */
1007 SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL,
1008 DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT),
1009 SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
1010
1011 /* Output Muxes */
1012 SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
1013 &da7219_out_dacl_sel_mux),
1014 SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
1015 &da7219_out_dacr_sel_mux),
1016
1017 /* Output Mixers */
1018 SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1019 da7219_mixout_l_controls,
1020 ARRAY_SIZE(da7219_mixout_l_controls)),
1021 SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
1022 da7219_mixout_r_controls,
1023 ARRAY_SIZE(da7219_mixout_r_controls)),
1024
1025 /* Sidetone Mixers */
1026 SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
1027 da7219_st_out_filtl_mix_controls,
1028 ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
1029 SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
1030 0, da7219_st_out_filtr_mix_controls,
1031 ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
1032
1033 /* DACs */
1034 SND_SOC_DAPM_DAC_E("DACL", NULL, DA7219_DAC_L_CTRL,
1035 DA7219_DAC_L_EN_SHIFT, DA7219_NO_INVERT,
1036 da7219_settling_event,
1037 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1038 SND_SOC_DAPM_DAC_E("DACR", NULL, DA7219_DAC_R_CTRL,
1039 DA7219_DAC_R_EN_SHIFT, DA7219_NO_INVERT,
1040 da7219_settling_event,
1041 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1042
1043 /* Output PGAs */
1044 SND_SOC_DAPM_PGA_E("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
1045 DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1046 NULL, 0, da7219_mixout_event,
1047 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1048 SND_SOC_DAPM_PGA_E("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
1049 DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1050 NULL, 0, da7219_mixout_event,
1051 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_PRE_PMD),
1052 SND_SOC_DAPM_SUPPLY_S("Headphone Left PGA", 1, DA7219_HP_L_CTRL,
1053 DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
1054 da7219_settling_event,
1055 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1056 SND_SOC_DAPM_SUPPLY_S("Headphone Right PGA", 1, DA7219_HP_R_CTRL,
1057 DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
1058 da7219_settling_event,
1059 SND_SOC_DAPM_POST_PMU | SND_SOC_DAPM_POST_PMD),
1060
1061 /* Output Supplies */
1062 SND_SOC_DAPM_SUPPLY_S("Charge Pump", 0, DA7219_CP_CTRL,
1063 DA7219_CP_EN_SHIFT, DA7219_NO_INVERT,
1064 da7219_settling_event,
1065 SND_SOC_DAPM_POST_PMU),
1066
1067 /* Outputs */
1068 SND_SOC_DAPM_OUTPUT("HPL"),
1069 SND_SOC_DAPM_OUTPUT("HPR"),
1070
1071 /* Pre/Post Power */
1072 SND_SOC_DAPM_PRE("Pre Power Gain Ramp", da7219_gain_ramp_event),
1073 SND_SOC_DAPM_POST("Post Power Gain Ramp", da7219_gain_ramp_event),
1074 };
1075
1076
1077 /*
1078 * DAPM Mux Routes
1079 */
1080
1081 #define DA7219_OUT_DAI_MUX_ROUTES(name) \
1082 {name, "ADC", "Mixer In"}, \
1083 {name, "Tone Generator", "Tone Generator"}, \
1084 {name, "DAIL", "DAIOUT"}, \
1085 {name, "DAIR", "DAIOUT"}
1086
1087 #define DA7219_OUT_DAC_MUX_ROUTES(name) \
1088 {name, "ADC", "Mixer In"}, \
1089 {name, "Tone Generator", "Tone Generator"}, \
1090 {name, "DAIL", "DAIIN"}, \
1091 {name, "DAIR", "DAIIN"}
1092
1093 /*
1094 * DAPM Mixer Routes
1095 */
1096
1097 #define DA7219_DMIX_ST_ROUTES(name) \
1098 {name, "Out FilterL Switch", "Mixer Out FilterL"}, \
1099 {name, "Out FilterR Switch", "Mixer Out FilterR"}, \
1100 {name, "Sidetone Switch", "Sidetone Filter"}
1101
1102
1103 /*
1104 * DAPM audio route definition
1105 */
1106
1107 static const struct snd_soc_dapm_route da7219_audio_map[] = {
1108 /* Input paths */
1109 {"MIC", NULL, "Mic Bias"},
1110 {"Mic PGA", NULL, "MIC"},
1111 {"Mixin PGA", NULL, "Mic PGA"},
1112 {"ADC", NULL, "Mixin PGA"},
1113
1114 {"Mixer In", NULL, "Mixer In Supply"},
1115 {"Mixer In", "Mic Switch", "ADC"},
1116
1117 {"Sidetone Filter", NULL, "Mixer In"},
1118
1119 {"Tone Generator", NULL, "TONE"},
1120
1121 DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
1122 DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
1123
1124 {"DAIOUT", NULL, "Out DAIL Mux"},
1125 {"DAIOUT", NULL, "Out DAIR Mux"},
1126 {"DAIOUT", NULL, "DAI"},
1127
1128 /* Output paths */
1129 {"DAIIN", NULL, "DAI"},
1130
1131 DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
1132 DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
1133
1134 {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
1135 {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
1136
1137 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
1138 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
1139
1140 {"DACL", NULL, "ST Mixer Out FilterL"},
1141 {"DACR", NULL, "ST Mixer Out FilterR"},
1142
1143 {"Mixout Left PGA", NULL, "DACL"},
1144 {"Mixout Right PGA", NULL, "DACR"},
1145
1146 {"HPL", NULL, "Mixout Left PGA"},
1147 {"HPR", NULL, "Mixout Right PGA"},
1148
1149 {"HPL", NULL, "Headphone Left PGA"},
1150 {"HPR", NULL, "Headphone Right PGA"},
1151
1152 {"HPL", NULL, "Charge Pump"},
1153 {"HPR", NULL, "Charge Pump"},
1154 };
1155
1156
1157 /*
1158 * DAI operations
1159 */
1160
1161 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1162 int clk_id, unsigned int freq, int dir)
1163 {
1164 struct snd_soc_component *component = codec_dai->component;
1165 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1166 int ret = 0;
1167
1168 if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1169 return 0;
1170
1171 if ((freq < 2000000) || (freq > 54000000)) {
1172 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1173 freq);
1174 return -EINVAL;
1175 }
1176
1177 mutex_lock(&da7219->pll_lock);
1178
1179 switch (clk_id) {
1180 case DA7219_CLKSRC_MCLK_SQR:
1181 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1182 DA7219_PLL_MCLK_SQR_EN_MASK,
1183 DA7219_PLL_MCLK_SQR_EN_MASK);
1184 break;
1185 case DA7219_CLKSRC_MCLK:
1186 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1187 DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1188 break;
1189 default:
1190 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1191 mutex_unlock(&da7219->pll_lock);
1192 return -EINVAL;
1193 }
1194
1195 da7219->clk_src = clk_id;
1196
1197 if (da7219->mclk) {
1198 freq = clk_round_rate(da7219->mclk, freq);
1199 ret = clk_set_rate(da7219->mclk, freq);
1200 if (ret) {
1201 dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1202 freq);
1203 mutex_unlock(&da7219->pll_lock);
1204 return ret;
1205 }
1206 }
1207
1208 da7219->mclk_rate = freq;
1209
1210 mutex_unlock(&da7219->pll_lock);
1211
1212 return 0;
1213 }
1214
1215 int da7219_set_pll(struct snd_soc_component *component, int source, unsigned int fout)
1216 {
1217 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1218
1219 u8 pll_ctrl, indiv_bits, indiv;
1220 u8 pll_frac_top, pll_frac_bot, pll_integer;
1221 u32 freq_ref;
1222 u64 frac_div;
1223
1224 /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1225 if (da7219->mclk_rate < 2000000) {
1226 dev_err(component->dev, "PLL input clock %d below valid range\n",
1227 da7219->mclk_rate);
1228 return -EINVAL;
1229 } else if (da7219->mclk_rate <= 4500000) {
1230 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1231 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1232 } else if (da7219->mclk_rate <= 9000000) {
1233 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1234 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1235 } else if (da7219->mclk_rate <= 18000000) {
1236 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1237 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1238 } else if (da7219->mclk_rate <= 36000000) {
1239 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1240 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1241 } else if (da7219->mclk_rate <= 54000000) {
1242 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1243 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1244 } else {
1245 dev_err(component->dev, "PLL input clock %d above valid range\n",
1246 da7219->mclk_rate);
1247 return -EINVAL;
1248 }
1249 freq_ref = (da7219->mclk_rate / indiv);
1250 pll_ctrl = indiv_bits;
1251
1252 /* Configure PLL */
1253 switch (source) {
1254 case DA7219_SYSCLK_MCLK:
1255 pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1256 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1257 DA7219_PLL_INDIV_MASK |
1258 DA7219_PLL_MODE_MASK, pll_ctrl);
1259 return 0;
1260 case DA7219_SYSCLK_PLL:
1261 pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1262 break;
1263 case DA7219_SYSCLK_PLL_SRM:
1264 pll_ctrl |= DA7219_PLL_MODE_SRM;
1265 break;
1266 default:
1267 dev_err(component->dev, "Invalid PLL config\n");
1268 return -EINVAL;
1269 }
1270
1271 /* Calculate dividers for PLL */
1272 pll_integer = fout / freq_ref;
1273 frac_div = (u64)(fout % freq_ref) * 8192ULL;
1274 do_div(frac_div, freq_ref);
1275 pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1276 pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1277
1278 /* Write PLL config & dividers */
1279 snd_soc_component_write(component, DA7219_PLL_FRAC_TOP, pll_frac_top);
1280 snd_soc_component_write(component, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1281 snd_soc_component_write(component, DA7219_PLL_INTEGER, pll_integer);
1282 snd_soc_component_update_bits(component, DA7219_PLL_CTRL,
1283 DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1284 pll_ctrl);
1285
1286 return 0;
1287 }
1288
1289 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1290 int source, unsigned int fref, unsigned int fout)
1291 {
1292 struct snd_soc_component *component = codec_dai->component;
1293 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1294 int ret;
1295
1296 mutex_lock(&da7219->pll_lock);
1297 ret = da7219_set_pll(component, source, fout);
1298 mutex_unlock(&da7219->pll_lock);
1299
1300 return ret;
1301 }
1302
1303 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1304 {
1305 struct snd_soc_component *component = codec_dai->component;
1306 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1307 u8 dai_clk_mode = 0, dai_ctrl = 0;
1308
1309 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1310 case SND_SOC_DAIFMT_CBM_CFM:
1311 da7219->master = true;
1312 break;
1313 case SND_SOC_DAIFMT_CBS_CFS:
1314 da7219->master = false;
1315 break;
1316 default:
1317 return -EINVAL;
1318 }
1319
1320 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1321 case SND_SOC_DAIFMT_I2S:
1322 case SND_SOC_DAIFMT_LEFT_J:
1323 case SND_SOC_DAIFMT_RIGHT_J:
1324 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1325 case SND_SOC_DAIFMT_NB_NF:
1326 break;
1327 case SND_SOC_DAIFMT_NB_IF:
1328 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1329 break;
1330 case SND_SOC_DAIFMT_IB_NF:
1331 dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1332 break;
1333 case SND_SOC_DAIFMT_IB_IF:
1334 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1335 DA7219_DAI_CLK_POL_INV;
1336 break;
1337 default:
1338 return -EINVAL;
1339 }
1340 break;
1341 case SND_SOC_DAIFMT_DSP_B:
1342 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1343 case SND_SOC_DAIFMT_NB_NF:
1344 dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1345 break;
1346 case SND_SOC_DAIFMT_NB_IF:
1347 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1348 DA7219_DAI_CLK_POL_INV;
1349 break;
1350 case SND_SOC_DAIFMT_IB_NF:
1351 break;
1352 case SND_SOC_DAIFMT_IB_IF:
1353 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1354 break;
1355 default:
1356 return -EINVAL;
1357 }
1358 break;
1359 default:
1360 return -EINVAL;
1361 }
1362
1363 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1364 case SND_SOC_DAIFMT_I2S:
1365 dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1366 break;
1367 case SND_SOC_DAIFMT_LEFT_J:
1368 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1369 break;
1370 case SND_SOC_DAIFMT_RIGHT_J:
1371 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1372 break;
1373 case SND_SOC_DAIFMT_DSP_B:
1374 dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1375 break;
1376 default:
1377 return -EINVAL;
1378 }
1379
1380 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1381 DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1382 dai_clk_mode);
1383 snd_soc_component_update_bits(component, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1384 dai_ctrl);
1385
1386 return 0;
1387 }
1388
1389 static int da7219_set_bclks_per_wclk(struct snd_soc_component *component,
1390 unsigned long factor)
1391 {
1392 u8 bclks_per_wclk;
1393
1394 switch (factor) {
1395 case 32:
1396 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1397 break;
1398 case 64:
1399 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1400 break;
1401 case 128:
1402 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1403 break;
1404 case 256:
1405 bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1406 break;
1407 default:
1408 return -EINVAL;
1409 }
1410
1411 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1412 DA7219_DAI_BCLKS_PER_WCLK_MASK,
1413 bclks_per_wclk);
1414
1415 return 0;
1416 }
1417
1418 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1419 unsigned int tx_mask, unsigned int rx_mask,
1420 int slots, int slot_width)
1421 {
1422 struct snd_soc_component *component = dai->component;
1423 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1424 struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
1425 struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
1426 unsigned int ch_mask;
1427 unsigned long sr, bclk_rate;
1428 u8 slot_offset;
1429 u16 offset;
1430 __le16 dai_offset;
1431 u32 frame_size;
1432 int ret;
1433
1434 /* No channels enabled so disable TDM */
1435 if (!tx_mask) {
1436 snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1437 DA7219_DAI_TDM_CH_EN_MASK |
1438 DA7219_DAI_TDM_MODE_EN_MASK, 0);
1439 da7219->tdm_en = false;
1440 return 0;
1441 }
1442
1443 /* Check we have valid slots */
1444 slot_offset = ffs(tx_mask) - 1;
1445 ch_mask = (tx_mask >> slot_offset);
1446 if (fls(ch_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1447 dev_err(component->dev,
1448 "Invalid number of slots, max = %d\n",
1449 DA7219_DAI_TDM_MAX_SLOTS);
1450 return -EINVAL;
1451 }
1452
1453 /*
1454 * Ensure we have a valid offset into the frame, based on slot width
1455 * and slot offset of first slot we're interested in.
1456 */
1457 offset = slot_offset * slot_width;
1458 if (offset > DA7219_DAI_OFFSET_MAX) {
1459 dev_err(component->dev, "Invalid frame offset %d\n", offset);
1460 return -EINVAL;
1461 }
1462
1463 /*
1464 * If we're master, calculate & validate frame size based on slot info
1465 * provided as we have a limited set of rates available.
1466 */
1467 if (da7219->master) {
1468 frame_size = slots * slot_width;
1469
1470 if (bclk) {
1471 sr = clk_get_rate(wclk);
1472 bclk_rate = sr * frame_size;
1473 ret = clk_set_rate(bclk, bclk_rate);
1474 if (ret) {
1475 dev_err(component->dev,
1476 "Failed to set TDM BCLK rate %lu: %d\n",
1477 bclk_rate, ret);
1478 return ret;
1479 }
1480 } else {
1481 ret = da7219_set_bclks_per_wclk(component, frame_size);
1482 if (ret) {
1483 dev_err(component->dev,
1484 "Failed to set TDM BCLKs per WCLK %d: %d\n",
1485 frame_size, ret);
1486 return ret;
1487 }
1488 }
1489 }
1490
1491 dai_offset = cpu_to_le16(offset);
1492 regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1493 &dai_offset, sizeof(dai_offset));
1494
1495 snd_soc_component_update_bits(component, DA7219_DAI_TDM_CTRL,
1496 DA7219_DAI_TDM_CH_EN_MASK |
1497 DA7219_DAI_TDM_MODE_EN_MASK,
1498 (ch_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1499 DA7219_DAI_TDM_MODE_EN_MASK);
1500
1501 da7219->tdm_en = true;
1502
1503 return 0;
1504 }
1505
1506 static int da7219_set_sr(struct snd_soc_component *component,
1507 unsigned long rate)
1508 {
1509 u8 fs;
1510
1511 switch (rate) {
1512 case 8000:
1513 fs = DA7219_SR_8000;
1514 break;
1515 case 11025:
1516 fs = DA7219_SR_11025;
1517 break;
1518 case 12000:
1519 fs = DA7219_SR_12000;
1520 break;
1521 case 16000:
1522 fs = DA7219_SR_16000;
1523 break;
1524 case 22050:
1525 fs = DA7219_SR_22050;
1526 break;
1527 case 24000:
1528 fs = DA7219_SR_24000;
1529 break;
1530 case 32000:
1531 fs = DA7219_SR_32000;
1532 break;
1533 case 44100:
1534 fs = DA7219_SR_44100;
1535 break;
1536 case 48000:
1537 fs = DA7219_SR_48000;
1538 break;
1539 case 88200:
1540 fs = DA7219_SR_88200;
1541 break;
1542 case 96000:
1543 fs = DA7219_SR_96000;
1544 break;
1545 default:
1546 return -EINVAL;
1547 }
1548
1549 snd_soc_component_write(component, DA7219_SR, fs);
1550
1551 return 0;
1552 }
1553
1554 static int da7219_hw_params(struct snd_pcm_substream *substream,
1555 struct snd_pcm_hw_params *params,
1556 struct snd_soc_dai *dai)
1557 {
1558 struct snd_soc_component *component = dai->component;
1559 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1560 struct clk *wclk = da7219->dai_clks[DA7219_DAI_WCLK_IDX];
1561 struct clk *bclk = da7219->dai_clks[DA7219_DAI_BCLK_IDX];
1562 u8 dai_ctrl = 0;
1563 unsigned int channels;
1564 unsigned long sr, bclk_rate;
1565 int word_len = params_width(params);
1566 int frame_size, ret;
1567
1568 switch (word_len) {
1569 case 16:
1570 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1571 break;
1572 case 20:
1573 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1574 break;
1575 case 24:
1576 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1577 break;
1578 case 32:
1579 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1580 break;
1581 default:
1582 return -EINVAL;
1583 }
1584
1585 channels = params_channels(params);
1586 if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1587 dev_err(component->dev,
1588 "Invalid number of channels, only 1 to %d supported\n",
1589 DA7219_DAI_CH_NUM_MAX);
1590 return -EINVAL;
1591 }
1592 dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1593
1594 sr = params_rate(params);
1595 if (da7219->master && wclk) {
1596 ret = clk_set_rate(wclk, sr);
1597 if (ret) {
1598 dev_err(component->dev,
1599 "Failed to set WCLK SR %lu: %d\n", sr, ret);
1600 return ret;
1601 }
1602 } else {
1603 ret = da7219_set_sr(component, sr);
1604 if (ret) {
1605 dev_err(component->dev,
1606 "Failed to set SR %lu: %d\n", sr, ret);
1607 return ret;
1608 }
1609 }
1610
1611 /*
1612 * If we're master, then we have a limited set of BCLK rates we
1613 * support. For slave mode this isn't the case and the codec can detect
1614 * the BCLK rate automatically.
1615 */
1616 if (da7219->master && !da7219->tdm_en) {
1617 if ((word_len * DA7219_DAI_CH_NUM_MAX) <= 32)
1618 frame_size = 32;
1619 else
1620 frame_size = 64;
1621
1622 if (bclk) {
1623 bclk_rate = frame_size * sr;
1624 /*
1625 * Rounding the rate here avoids failure trying to set a
1626 * new rate on an already enabled bclk. In that
1627 * instance this will just set the same rate as is
1628 * currently in use, and so should continue without
1629 * problem, as long as the BCLK rate is suitable for the
1630 * desired frame size.
1631 */
1632 bclk_rate = clk_round_rate(bclk, bclk_rate);
1633 if ((bclk_rate / sr) < frame_size) {
1634 dev_err(component->dev,
1635 "BCLK rate mismatch against frame size");
1636 return -EINVAL;
1637 }
1638
1639 ret = clk_set_rate(bclk, bclk_rate);
1640 if (ret) {
1641 dev_err(component->dev,
1642 "Failed to set BCLK rate %lu: %d\n",
1643 bclk_rate, ret);
1644 return ret;
1645 }
1646 } else {
1647 ret = da7219_set_bclks_per_wclk(component, frame_size);
1648 if (ret) {
1649 dev_err(component->dev,
1650 "Failed to set BCLKs per WCLK %d: %d\n",
1651 frame_size, ret);
1652 return ret;
1653 }
1654 }
1655 }
1656
1657 snd_soc_component_update_bits(component, DA7219_DAI_CTRL,
1658 DA7219_DAI_WORD_LENGTH_MASK |
1659 DA7219_DAI_CH_NUM_MASK,
1660 dai_ctrl);
1661
1662 return 0;
1663 }
1664
1665 static const struct snd_soc_dai_ops da7219_dai_ops = {
1666 .hw_params = da7219_hw_params,
1667 .set_sysclk = da7219_set_dai_sysclk,
1668 .set_pll = da7219_set_dai_pll,
1669 .set_fmt = da7219_set_dai_fmt,
1670 .set_tdm_slot = da7219_set_dai_tdm_slot,
1671 };
1672
1673 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1674 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1675
1676 #define DA7219_RATES (SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_11025 |\
1677 SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_22050 |\
1678 SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 |\
1679 SNDRV_PCM_RATE_48000 | SNDRV_PCM_RATE_88200 |\
1680 SNDRV_PCM_RATE_96000)
1681
1682 static struct snd_soc_dai_driver da7219_dai = {
1683 .name = "da7219-hifi",
1684 .playback = {
1685 .stream_name = "Playback",
1686 .channels_min = 1,
1687 .channels_max = DA7219_DAI_CH_NUM_MAX,
1688 .rates = DA7219_RATES,
1689 .formats = DA7219_FORMATS,
1690 },
1691 .capture = {
1692 .stream_name = "Capture",
1693 .channels_min = 1,
1694 .channels_max = DA7219_DAI_CH_NUM_MAX,
1695 .rates = DA7219_RATES,
1696 .formats = DA7219_FORMATS,
1697 },
1698 .ops = &da7219_dai_ops,
1699 .symmetric_rates = 1,
1700 .symmetric_channels = 1,
1701 .symmetric_samplebits = 1,
1702 };
1703
1704
1705 /*
1706 * DT/ACPI
1707 */
1708
1709 static const struct of_device_id da7219_of_match[] = {
1710 { .compatible = "dlg,da7219", },
1711 { }
1712 };
1713 MODULE_DEVICE_TABLE(of, da7219_of_match);
1714
1715 static const struct acpi_device_id da7219_acpi_match[] = {
1716 { .id = "DLGS7219", },
1717 { }
1718 };
1719 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1720
1721 static enum da7219_micbias_voltage
1722 da7219_fw_micbias_lvl(struct device *dev, u32 val)
1723 {
1724 switch (val) {
1725 case 1600:
1726 return DA7219_MICBIAS_1_6V;
1727 case 1800:
1728 return DA7219_MICBIAS_1_8V;
1729 case 2000:
1730 return DA7219_MICBIAS_2_0V;
1731 case 2200:
1732 return DA7219_MICBIAS_2_2V;
1733 case 2400:
1734 return DA7219_MICBIAS_2_4V;
1735 case 2600:
1736 return DA7219_MICBIAS_2_6V;
1737 default:
1738 dev_warn(dev, "Invalid micbias level");
1739 return DA7219_MICBIAS_2_2V;
1740 }
1741 }
1742
1743 static enum da7219_mic_amp_in_sel
1744 da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
1745 {
1746 if (!strcmp(str, "diff")) {
1747 return DA7219_MIC_AMP_IN_SEL_DIFF;
1748 } else if (!strcmp(str, "se_p")) {
1749 return DA7219_MIC_AMP_IN_SEL_SE_P;
1750 } else if (!strcmp(str, "se_n")) {
1751 return DA7219_MIC_AMP_IN_SEL_SE_N;
1752 } else {
1753 dev_warn(dev, "Invalid mic input type selection");
1754 return DA7219_MIC_AMP_IN_SEL_DIFF;
1755 }
1756 }
1757
1758 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_component *component)
1759 {
1760 struct device *dev = component->dev;
1761 struct da7219_pdata *pdata;
1762 const char *of_str;
1763 u32 of_val32;
1764
1765 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1766 if (!pdata)
1767 return NULL;
1768
1769 pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
1770
1771 pdata->dai_clk_names[DA7219_DAI_WCLK_IDX] = "da7219-dai-wclk";
1772 pdata->dai_clk_names[DA7219_DAI_BCLK_IDX] = "da7219-dai-bclk";
1773 if (device_property_read_string_array(dev, "clock-output-names",
1774 pdata->dai_clk_names,
1775 DA7219_DAI_NUM_CLKS) < 0)
1776 dev_warn(dev, "Using default DAI clk names: %s, %s\n",
1777 pdata->dai_clk_names[DA7219_DAI_WCLK_IDX],
1778 pdata->dai_clk_names[DA7219_DAI_BCLK_IDX]);
1779
1780 if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
1781 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
1782 else
1783 pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1784
1785 if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
1786 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
1787 else
1788 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1789
1790 return pdata;
1791 }
1792
1793
1794 /*
1795 * Codec driver functions
1796 */
1797
1798 static int da7219_set_bias_level(struct snd_soc_component *component,
1799 enum snd_soc_bias_level level)
1800 {
1801 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1802 int ret;
1803
1804 switch (level) {
1805 case SND_SOC_BIAS_ON:
1806 break;
1807 case SND_SOC_BIAS_PREPARE:
1808 /* Enable MCLK for transition to ON state */
1809 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_STANDBY) {
1810 if (da7219->mclk) {
1811 ret = clk_prepare_enable(da7219->mclk);
1812 if (ret) {
1813 dev_err(component->dev,
1814 "Failed to enable mclk\n");
1815 return ret;
1816 }
1817 }
1818 }
1819
1820 break;
1821 case SND_SOC_BIAS_STANDBY:
1822 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_OFF)
1823 /* Master bias */
1824 snd_soc_component_update_bits(component, DA7219_REFERENCES,
1825 DA7219_BIAS_EN_MASK,
1826 DA7219_BIAS_EN_MASK);
1827
1828 if (snd_soc_component_get_bias_level(component) == SND_SOC_BIAS_PREPARE) {
1829 /* Remove MCLK */
1830 if (da7219->mclk)
1831 clk_disable_unprepare(da7219->mclk);
1832 }
1833 break;
1834 case SND_SOC_BIAS_OFF:
1835 /* Only disable master bias if we're not a wake-up source */
1836 if (!da7219->wakeup_source)
1837 snd_soc_component_update_bits(component, DA7219_REFERENCES,
1838 DA7219_BIAS_EN_MASK, 0);
1839
1840 break;
1841 }
1842
1843 return 0;
1844 }
1845
1846 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1847 [DA7219_SUPPLY_VDD] = "VDD",
1848 [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1849 [DA7219_SUPPLY_VDDIO] = "VDDIO",
1850 };
1851
1852 static int da7219_handle_supplies(struct snd_soc_component *component)
1853 {
1854 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
1855 struct regulator *vddio;
1856 u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1857 int i, ret;
1858
1859 /* Get required supplies */
1860 for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1861 da7219->supplies[i].supply = da7219_supply_names[i];
1862
1863 ret = devm_regulator_bulk_get(component->dev, DA7219_NUM_SUPPLIES,
1864 da7219->supplies);
1865 if (ret) {
1866 dev_err(component->dev, "Failed to get supplies");
1867 return ret;
1868 }
1869
1870 /* Determine VDDIO voltage provided */
1871 vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1872 ret = regulator_get_voltage(vddio);
1873 if (ret < 1200000)
1874 dev_warn(component->dev, "Invalid VDDIO voltage\n");
1875 else if (ret < 2800000)
1876 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1877
1878 /* Enable main supplies */
1879 ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1880 if (ret) {
1881 dev_err(component->dev, "Failed to enable supplies");
1882 return ret;
1883 }
1884
1885 /* Ensure device in active mode */
1886 snd_soc_component_write(component, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1887
1888 /* Update IO voltage level range */
1889 snd_soc_component_write(component, DA7219_IO_CTRL, io_voltage_lvl);
1890
1891 return 0;
1892 }
1893
1894 #ifdef CONFIG_COMMON_CLK
1895 static int da7219_wclk_prepare(struct clk_hw *hw)
1896 {
1897 struct da7219_priv *da7219 =
1898 container_of(hw, struct da7219_priv,
1899 dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1900 struct snd_soc_component *component = da7219->component;
1901
1902 if (!da7219->master)
1903 return -EINVAL;
1904
1905 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1906 DA7219_DAI_CLK_EN_MASK,
1907 DA7219_DAI_CLK_EN_MASK);
1908
1909 return 0;
1910 }
1911
1912 static void da7219_wclk_unprepare(struct clk_hw *hw)
1913 {
1914 struct da7219_priv *da7219 =
1915 container_of(hw, struct da7219_priv,
1916 dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1917 struct snd_soc_component *component = da7219->component;
1918
1919 if (!da7219->master)
1920 return;
1921
1922 snd_soc_component_update_bits(component, DA7219_DAI_CLK_MODE,
1923 DA7219_DAI_CLK_EN_MASK, 0);
1924 }
1925
1926 static int da7219_wclk_is_prepared(struct clk_hw *hw)
1927 {
1928 struct da7219_priv *da7219 =
1929 container_of(hw, struct da7219_priv,
1930 dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1931 struct snd_soc_component *component = da7219->component;
1932 u8 clk_reg;
1933
1934 if (!da7219->master)
1935 return -EINVAL;
1936
1937 clk_reg = snd_soc_component_read32(component, DA7219_DAI_CLK_MODE);
1938
1939 return !!(clk_reg & DA7219_DAI_CLK_EN_MASK);
1940 }
1941
1942 static unsigned long da7219_wclk_recalc_rate(struct clk_hw *hw,
1943 unsigned long parent_rate)
1944 {
1945 struct da7219_priv *da7219 =
1946 container_of(hw, struct da7219_priv,
1947 dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1948 struct snd_soc_component *component = da7219->component;
1949 u8 fs = snd_soc_component_read32(component, DA7219_SR);
1950
1951 switch (fs & DA7219_SR_MASK) {
1952 case DA7219_SR_8000:
1953 return 8000;
1954 case DA7219_SR_11025:
1955 return 11025;
1956 case DA7219_SR_12000:
1957 return 12000;
1958 case DA7219_SR_16000:
1959 return 16000;
1960 case DA7219_SR_22050:
1961 return 22050;
1962 case DA7219_SR_24000:
1963 return 24000;
1964 case DA7219_SR_32000:
1965 return 32000;
1966 case DA7219_SR_44100:
1967 return 44100;
1968 case DA7219_SR_48000:
1969 return 48000;
1970 case DA7219_SR_88200:
1971 return 88200;
1972 case DA7219_SR_96000:
1973 return 96000;
1974 default:
1975 return 0;
1976 }
1977 }
1978
1979 static long da7219_wclk_round_rate(struct clk_hw *hw, unsigned long rate,
1980 unsigned long *parent_rate)
1981 {
1982 struct da7219_priv *da7219 =
1983 container_of(hw, struct da7219_priv,
1984 dai_clks_hw[DA7219_DAI_WCLK_IDX]);
1985
1986 if (!da7219->master)
1987 return -EINVAL;
1988
1989 if (rate < 11025)
1990 return 8000;
1991 else if (rate < 12000)
1992 return 11025;
1993 else if (rate < 16000)
1994 return 12000;
1995 else if (rate < 22050)
1996 return 16000;
1997 else if (rate < 24000)
1998 return 22050;
1999 else if (rate < 32000)
2000 return 24000;
2001 else if (rate < 44100)
2002 return 32000;
2003 else if (rate < 48000)
2004 return 44100;
2005 else if (rate < 88200)
2006 return 48000;
2007 else if (rate < 96000)
2008 return 88200;
2009 else
2010 return 96000;
2011 }
2012
2013 static int da7219_wclk_set_rate(struct clk_hw *hw, unsigned long rate,
2014 unsigned long parent_rate)
2015 {
2016 struct da7219_priv *da7219 =
2017 container_of(hw, struct da7219_priv,
2018 dai_clks_hw[DA7219_DAI_WCLK_IDX]);
2019 struct snd_soc_component *component = da7219->component;
2020
2021 if (!da7219->master)
2022 return -EINVAL;
2023
2024 return da7219_set_sr(component, rate);
2025 }
2026
2027 static unsigned long da7219_bclk_recalc_rate(struct clk_hw *hw,
2028 unsigned long parent_rate)
2029 {
2030 struct da7219_priv *da7219 =
2031 container_of(hw, struct da7219_priv,
2032 dai_clks_hw[DA7219_DAI_BCLK_IDX]);
2033 struct snd_soc_component *component = da7219->component;
2034 u8 bclks_per_wclk = snd_soc_component_read32(component,
2035 DA7219_DAI_CLK_MODE);
2036
2037 switch (bclks_per_wclk & DA7219_DAI_BCLKS_PER_WCLK_MASK) {
2038 case DA7219_DAI_BCLKS_PER_WCLK_32:
2039 return parent_rate * 32;
2040 case DA7219_DAI_BCLKS_PER_WCLK_64:
2041 return parent_rate * 64;
2042 case DA7219_DAI_BCLKS_PER_WCLK_128:
2043 return parent_rate * 128;
2044 case DA7219_DAI_BCLKS_PER_WCLK_256:
2045 return parent_rate * 256;
2046 default:
2047 return 0;
2048 }
2049 }
2050
2051 static unsigned long da7219_bclk_get_factor(unsigned long rate,
2052 unsigned long parent_rate)
2053 {
2054 unsigned long factor;
2055
2056 factor = rate / parent_rate;
2057 if (factor < 64)
2058 return 32;
2059 else if (factor < 128)
2060 return 64;
2061 else if (factor < 256)
2062 return 128;
2063 else
2064 return 256;
2065 }
2066
2067 static long da7219_bclk_round_rate(struct clk_hw *hw, unsigned long rate,
2068 unsigned long *parent_rate)
2069 {
2070 struct da7219_priv *da7219 =
2071 container_of(hw, struct da7219_priv,
2072 dai_clks_hw[DA7219_DAI_BCLK_IDX]);
2073 unsigned long factor;
2074
2075 if (!*parent_rate || !da7219->master)
2076 return -EINVAL;
2077
2078 /*
2079 * We don't allow changing the parent rate as some BCLK rates can be
2080 * derived from multiple parent WCLK rates (BCLK rates are set as a
2081 * multiplier of WCLK in HW). We just do some rounding down based on the
2082 * parent WCLK rate set and find the appropriate multiplier of BCLK to
2083 * get the rounded down BCLK value.
2084 */
2085 factor = da7219_bclk_get_factor(rate, *parent_rate);
2086
2087 return *parent_rate * factor;
2088 }
2089
2090 static int da7219_bclk_set_rate(struct clk_hw *hw, unsigned long rate,
2091 unsigned long parent_rate)
2092 {
2093 struct da7219_priv *da7219 =
2094 container_of(hw, struct da7219_priv,
2095 dai_clks_hw[DA7219_DAI_BCLK_IDX]);
2096 struct snd_soc_component *component = da7219->component;
2097 unsigned long factor;
2098
2099 if (!da7219->master)
2100 return -EINVAL;
2101
2102 factor = da7219_bclk_get_factor(rate, parent_rate);
2103
2104 return da7219_set_bclks_per_wclk(component, factor);
2105 }
2106
2107 static const struct clk_ops da7219_dai_clk_ops[DA7219_DAI_NUM_CLKS] = {
2108 [DA7219_DAI_WCLK_IDX] = {
2109 .prepare = da7219_wclk_prepare,
2110 .unprepare = da7219_wclk_unprepare,
2111 .is_prepared = da7219_wclk_is_prepared,
2112 .recalc_rate = da7219_wclk_recalc_rate,
2113 .round_rate = da7219_wclk_round_rate,
2114 .set_rate = da7219_wclk_set_rate,
2115 },
2116 [DA7219_DAI_BCLK_IDX] = {
2117 .recalc_rate = da7219_bclk_recalc_rate,
2118 .round_rate = da7219_bclk_round_rate,
2119 .set_rate = da7219_bclk_set_rate,
2120 },
2121 };
2122
2123 static int da7219_register_dai_clks(struct snd_soc_component *component)
2124 {
2125 struct device *dev = component->dev;
2126 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2127 struct da7219_pdata *pdata = da7219->pdata;
2128 const char *parent_name;
2129 int i, ret;
2130
2131 for (i = 0; i < DA7219_DAI_NUM_CLKS; ++i) {
2132 struct clk_init_data init = {};
2133 struct clk *dai_clk;
2134 struct clk_lookup *dai_clk_lookup;
2135 struct clk_hw *dai_clk_hw = &da7219->dai_clks_hw[i];
2136
2137 switch (i) {
2138 case DA7219_DAI_WCLK_IDX:
2139 /*
2140 * If we can, make MCLK the parent of WCLK to ensure
2141 * it's enabled as required.
2142 */
2143 if (da7219->mclk) {
2144 parent_name = __clk_get_name(da7219->mclk);
2145 init.parent_names = &parent_name;
2146 init.num_parents = 1;
2147 } else {
2148 init.parent_names = NULL;
2149 init.num_parents = 0;
2150 }
2151 break;
2152 case DA7219_DAI_BCLK_IDX:
2153 /* Make WCLK the parent of BCLK */
2154 parent_name = __clk_get_name(da7219->dai_clks[DA7219_DAI_WCLK_IDX]);
2155 init.parent_names = &parent_name;
2156 init.num_parents = 1;
2157 break;
2158 default:
2159 dev_err(dev, "Invalid clock index\n");
2160 ret = -EINVAL;
2161 goto err;
2162 }
2163
2164 init.name = pdata->dai_clk_names[i];
2165 init.ops = &da7219_dai_clk_ops[i];
2166 init.flags = CLK_GET_RATE_NOCACHE | CLK_SET_RATE_GATE;
2167 dai_clk_hw->init = &init;
2168
2169 dai_clk = devm_clk_register(dev, dai_clk_hw);
2170 if (IS_ERR(dai_clk)) {
2171 dev_warn(dev, "Failed to register %s: %ld\n",
2172 init.name, PTR_ERR(dai_clk));
2173 ret = PTR_ERR(dai_clk);
2174 goto err;
2175 }
2176 da7219->dai_clks[i] = dai_clk;
2177
2178 /* If we're using DT, then register as provider accordingly */
2179 if (dev->of_node) {
2180 devm_of_clk_add_hw_provider(dev, of_clk_hw_simple_get,
2181 dai_clk_hw);
2182 } else {
2183 dai_clk_lookup = clkdev_create(dai_clk, init.name,
2184 "%s", dev_name(dev));
2185 if (!dai_clk_lookup) {
2186 ret = -ENOMEM;
2187 goto err;
2188 } else {
2189 da7219->dai_clks_lookup[i] = dai_clk_lookup;
2190 }
2191 }
2192 }
2193
2194 return 0;
2195
2196 err:
2197 do {
2198 if (da7219->dai_clks_lookup[i])
2199 clkdev_drop(da7219->dai_clks_lookup[i]);
2200 } while (i-- > 0);
2201
2202 return ret;
2203 }
2204 #else
2205 static inline int da7219_register_dai_clks(struct snd_soc_component *component)
2206 {
2207 return 0;
2208 }
2209 #endif /* CONFIG_COMMON_CLK */
2210
2211 static void da7219_handle_pdata(struct snd_soc_component *component)
2212 {
2213 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2214 struct da7219_pdata *pdata = da7219->pdata;
2215
2216 if (pdata) {
2217 u8 micbias_lvl = 0;
2218
2219 da7219->wakeup_source = pdata->wakeup_source;
2220
2221 /* Mic Bias voltages */
2222 switch (pdata->micbias_lvl) {
2223 case DA7219_MICBIAS_1_6V:
2224 case DA7219_MICBIAS_1_8V:
2225 case DA7219_MICBIAS_2_0V:
2226 case DA7219_MICBIAS_2_2V:
2227 case DA7219_MICBIAS_2_4V:
2228 case DA7219_MICBIAS_2_6V:
2229 micbias_lvl |= (pdata->micbias_lvl <<
2230 DA7219_MICBIAS1_LEVEL_SHIFT);
2231 break;
2232 }
2233
2234 snd_soc_component_write(component, DA7219_MICBIAS_CTRL, micbias_lvl);
2235
2236 /*
2237 * Calculate delay required to compensate for DC offset in
2238 * Mic PGA, based on Mic Bias voltage.
2239 */
2240 da7219->mic_pga_delay = DA7219_MIC_PGA_BASE_DELAY +
2241 (pdata->micbias_lvl *
2242 DA7219_MIC_PGA_OFFSET_DELAY);
2243
2244 /* Mic */
2245 switch (pdata->mic_amp_in_sel) {
2246 case DA7219_MIC_AMP_IN_SEL_DIFF:
2247 case DA7219_MIC_AMP_IN_SEL_SE_P:
2248 case DA7219_MIC_AMP_IN_SEL_SE_N:
2249 snd_soc_component_write(component, DA7219_MIC_1_SELECT,
2250 pdata->mic_amp_in_sel);
2251 break;
2252 }
2253 }
2254 }
2255
2256 static struct reg_sequence da7219_rev_aa_patch[] = {
2257 { DA7219_REFERENCES, 0x08 },
2258 };
2259
2260 static int da7219_probe(struct snd_soc_component *component)
2261 {
2262 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2263 unsigned int rev;
2264 int ret;
2265
2266 da7219->component = component;
2267 mutex_init(&da7219->ctrl_lock);
2268 mutex_init(&da7219->pll_lock);
2269
2270 /* Regulator configuration */
2271 ret = da7219_handle_supplies(component);
2272 if (ret)
2273 return ret;
2274
2275 ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
2276 if (ret) {
2277 dev_err(component->dev, "Failed to read chip revision: %d\n", ret);
2278 goto err_disable_reg;
2279 }
2280
2281 switch (rev & DA7219_CHIP_MINOR_MASK) {
2282 case 0:
2283 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
2284 ARRAY_SIZE(da7219_rev_aa_patch));
2285 if (ret) {
2286 dev_err(component->dev, "Failed to register AA patch: %d\n",
2287 ret);
2288 goto err_disable_reg;
2289 }
2290 break;
2291 default:
2292 break;
2293 }
2294
2295 /* Handle DT/ACPI/Platform data */
2296 da7219->pdata = dev_get_platdata(component->dev);
2297 if (!da7219->pdata)
2298 da7219->pdata = da7219_fw_to_pdata(component);
2299
2300 da7219_handle_pdata(component);
2301
2302 /* Check if MCLK provided */
2303 da7219->mclk = devm_clk_get(component->dev, "mclk");
2304 if (IS_ERR(da7219->mclk)) {
2305 if (PTR_ERR(da7219->mclk) != -ENOENT) {
2306 ret = PTR_ERR(da7219->mclk);
2307 goto err_disable_reg;
2308 } else {
2309 da7219->mclk = NULL;
2310 }
2311 }
2312
2313 /* Register CCF DAI clock control */
2314 ret = da7219_register_dai_clks(component);
2315 if (ret)
2316 return ret;
2317
2318 /* Default PC counter to free-running */
2319 snd_soc_component_update_bits(component, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
2320 DA7219_PC_FREERUN_MASK);
2321
2322 /* Default gain ramping */
2323 snd_soc_component_update_bits(component, DA7219_MIXIN_L_CTRL,
2324 DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
2325 DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
2326 snd_soc_component_update_bits(component, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
2327 DA7219_ADC_L_RAMP_EN_MASK);
2328 snd_soc_component_update_bits(component, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
2329 DA7219_DAC_L_RAMP_EN_MASK);
2330 snd_soc_component_update_bits(component, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
2331 DA7219_DAC_R_RAMP_EN_MASK);
2332 snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
2333 DA7219_HP_L_AMP_RAMP_EN_MASK,
2334 DA7219_HP_L_AMP_RAMP_EN_MASK);
2335 snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
2336 DA7219_HP_R_AMP_RAMP_EN_MASK,
2337 DA7219_HP_R_AMP_RAMP_EN_MASK);
2338
2339 /* Default minimum gain on HP to avoid pops during DAPM sequencing */
2340 snd_soc_component_update_bits(component, DA7219_HP_L_CTRL,
2341 DA7219_HP_L_AMP_MIN_GAIN_EN_MASK,
2342 DA7219_HP_L_AMP_MIN_GAIN_EN_MASK);
2343 snd_soc_component_update_bits(component, DA7219_HP_R_CTRL,
2344 DA7219_HP_R_AMP_MIN_GAIN_EN_MASK,
2345 DA7219_HP_R_AMP_MIN_GAIN_EN_MASK);
2346
2347 /* Default infinite tone gen, start/stop by Kcontrol */
2348 snd_soc_component_write(component, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
2349
2350 /* Initialise AAD block */
2351 ret = da7219_aad_init(component);
2352 if (ret)
2353 goto err_disable_reg;
2354
2355 return 0;
2356
2357 err_disable_reg:
2358 regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
2359
2360 return ret;
2361 }
2362
2363 static void da7219_remove(struct snd_soc_component *component)
2364 {
2365 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2366 int i;
2367
2368 da7219_aad_exit(component);
2369
2370 #ifdef CONFIG_COMMON_CLK
2371 for (i = DA7219_DAI_NUM_CLKS - 1; i >= 0; --i) {
2372 if (da7219->dai_clks_lookup[i])
2373 clkdev_drop(da7219->dai_clks_lookup[i]);
2374 }
2375 #endif
2376
2377 /* Supplies */
2378 regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
2379 }
2380
2381 #ifdef CONFIG_PM
2382 static int da7219_suspend(struct snd_soc_component *component)
2383 {
2384 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2385
2386 /* Suspend AAD if we're not a wake-up source */
2387 if (!da7219->wakeup_source)
2388 da7219_aad_suspend(component);
2389
2390 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_OFF);
2391
2392 return 0;
2393 }
2394
2395 static int da7219_resume(struct snd_soc_component *component)
2396 {
2397 struct da7219_priv *da7219 = snd_soc_component_get_drvdata(component);
2398
2399 snd_soc_component_force_bias_level(component, SND_SOC_BIAS_STANDBY);
2400
2401 /* Resume AAD if previously suspended */
2402 if (!da7219->wakeup_source)
2403 da7219_aad_resume(component);
2404
2405 return 0;
2406 }
2407 #else
2408 #define da7219_suspend NULL
2409 #define da7219_resume NULL
2410 #endif
2411
2412 static const struct snd_soc_component_driver soc_component_dev_da7219 = {
2413 .probe = da7219_probe,
2414 .remove = da7219_remove,
2415 .suspend = da7219_suspend,
2416 .resume = da7219_resume,
2417 .set_bias_level = da7219_set_bias_level,
2418 .controls = da7219_snd_controls,
2419 .num_controls = ARRAY_SIZE(da7219_snd_controls),
2420 .dapm_widgets = da7219_dapm_widgets,
2421 .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets),
2422 .dapm_routes = da7219_audio_map,
2423 .num_dapm_routes = ARRAY_SIZE(da7219_audio_map),
2424 .idle_bias_on = 1,
2425 .use_pmdown_time = 1,
2426 .endianness = 1,
2427 .non_legacy_dai_naming = 1,
2428 };
2429
2430
2431 /*
2432 * Regmap configs
2433 */
2434
2435 static struct reg_default da7219_reg_defaults[] = {
2436 { DA7219_MIC_1_SELECT, 0x00 },
2437 { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
2438 { DA7219_SR_24_48, 0x00 },
2439 { DA7219_SR, 0x0A },
2440 { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
2441 { DA7219_PLL_CTRL, 0x10 },
2442 { DA7219_PLL_FRAC_TOP, 0x00 },
2443 { DA7219_PLL_FRAC_BOT, 0x00 },
2444 { DA7219_PLL_INTEGER, 0x20 },
2445 { DA7219_DIG_ROUTING_DAI, 0x10 },
2446 { DA7219_DAI_CLK_MODE, 0x01 },
2447 { DA7219_DAI_CTRL, 0x28 },
2448 { DA7219_DAI_TDM_CTRL, 0x40 },
2449 { DA7219_DIG_ROUTING_DAC, 0x32 },
2450 { DA7219_DAI_OFFSET_LOWER, 0x00 },
2451 { DA7219_DAI_OFFSET_UPPER, 0x00 },
2452 { DA7219_REFERENCES, 0x08 },
2453 { DA7219_MIXIN_L_SELECT, 0x00 },
2454 { DA7219_MIXIN_L_GAIN, 0x03 },
2455 { DA7219_ADC_L_GAIN, 0x6F },
2456 { DA7219_ADC_FILTERS1, 0x80 },
2457 { DA7219_MIC_1_GAIN, 0x01 },
2458 { DA7219_SIDETONE_CTRL, 0x40 },
2459 { DA7219_SIDETONE_GAIN, 0x0E },
2460 { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
2461 { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
2462 { DA7219_DAC_FILTERS5, 0x00 },
2463 { DA7219_DAC_FILTERS2, 0x88 },
2464 { DA7219_DAC_FILTERS3, 0x88 },
2465 { DA7219_DAC_FILTERS4, 0x08 },
2466 { DA7219_DAC_FILTERS1, 0x80 },
2467 { DA7219_DAC_L_GAIN, 0x6F },
2468 { DA7219_DAC_R_GAIN, 0x6F },
2469 { DA7219_CP_CTRL, 0x20 },
2470 { DA7219_HP_L_GAIN, 0x39 },
2471 { DA7219_HP_R_GAIN, 0x39 },
2472 { DA7219_MIXOUT_L_SELECT, 0x00 },
2473 { DA7219_MIXOUT_R_SELECT, 0x00 },
2474 { DA7219_MICBIAS_CTRL, 0x03 },
2475 { DA7219_MIC_1_CTRL, 0x40 },
2476 { DA7219_MIXIN_L_CTRL, 0x40 },
2477 { DA7219_ADC_L_CTRL, 0x40 },
2478 { DA7219_DAC_L_CTRL, 0x40 },
2479 { DA7219_DAC_R_CTRL, 0x40 },
2480 { DA7219_HP_L_CTRL, 0x40 },
2481 { DA7219_HP_R_CTRL, 0x40 },
2482 { DA7219_MIXOUT_L_CTRL, 0x10 },
2483 { DA7219_MIXOUT_R_CTRL, 0x10 },
2484 { DA7219_CHIP_ID1, 0x23 },
2485 { DA7219_CHIP_ID2, 0x93 },
2486 { DA7219_IO_CTRL, 0x00 },
2487 { DA7219_GAIN_RAMP_CTRL, 0x00 },
2488 { DA7219_PC_COUNT, 0x02 },
2489 { DA7219_CP_VOL_THRESHOLD1, 0x0E },
2490 { DA7219_DIG_CTRL, 0x00 },
2491 { DA7219_ALC_CTRL2, 0x00 },
2492 { DA7219_ALC_CTRL3, 0x00 },
2493 { DA7219_ALC_NOISE, 0x3F },
2494 { DA7219_ALC_TARGET_MIN, 0x3F },
2495 { DA7219_ALC_TARGET_MAX, 0x00 },
2496 { DA7219_ALC_GAIN_LIMITS, 0xFF },
2497 { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
2498 { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
2499 { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
2500 { DA7219_DAC_NG_SETUP_TIME, 0x00 },
2501 { DA7219_DAC_NG_OFF_THRESH, 0x00 },
2502 { DA7219_DAC_NG_ON_THRESH, 0x00 },
2503 { DA7219_DAC_NG_CTRL, 0x00 },
2504 { DA7219_TONE_GEN_CFG1, 0x00 },
2505 { DA7219_TONE_GEN_CFG2, 0x00 },
2506 { DA7219_TONE_GEN_CYCLES, 0x00 },
2507 { DA7219_TONE_GEN_FREQ1_L, 0x55 },
2508 { DA7219_TONE_GEN_FREQ1_U, 0x15 },
2509 { DA7219_TONE_GEN_FREQ2_L, 0x00 },
2510 { DA7219_TONE_GEN_FREQ2_U, 0x40 },
2511 { DA7219_TONE_GEN_ON_PER, 0x02 },
2512 { DA7219_TONE_GEN_OFF_PER, 0x01 },
2513 { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
2514 { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
2515 { DA7219_ACCDET_CONFIG_1, 0xD6 },
2516 { DA7219_ACCDET_CONFIG_2, 0x34 },
2517 { DA7219_ACCDET_CONFIG_3, 0x0A },
2518 { DA7219_ACCDET_CONFIG_4, 0x16 },
2519 { DA7219_ACCDET_CONFIG_5, 0x21 },
2520 { DA7219_ACCDET_CONFIG_6, 0x3E },
2521 { DA7219_ACCDET_CONFIG_7, 0x01 },
2522 { DA7219_SYSTEM_ACTIVE, 0x00 },
2523 };
2524
2525 static bool da7219_volatile_register(struct device *dev, unsigned int reg)
2526 {
2527 switch (reg) {
2528 case DA7219_MIC_1_GAIN_STATUS:
2529 case DA7219_MIXIN_L_GAIN_STATUS:
2530 case DA7219_ADC_L_GAIN_STATUS:
2531 case DA7219_DAC_L_GAIN_STATUS:
2532 case DA7219_DAC_R_GAIN_STATUS:
2533 case DA7219_HP_L_GAIN_STATUS:
2534 case DA7219_HP_R_GAIN_STATUS:
2535 case DA7219_CIF_CTRL:
2536 case DA7219_PLL_SRM_STS:
2537 case DA7219_ALC_CTRL1:
2538 case DA7219_SYSTEM_MODES_INPUT:
2539 case DA7219_SYSTEM_MODES_OUTPUT:
2540 case DA7219_ALC_OFFSET_AUTO_M_L:
2541 case DA7219_ALC_OFFSET_AUTO_U_L:
2542 case DA7219_TONE_GEN_CFG1:
2543 case DA7219_ACCDET_STATUS_A:
2544 case DA7219_ACCDET_STATUS_B:
2545 case DA7219_ACCDET_IRQ_EVENT_A:
2546 case DA7219_ACCDET_IRQ_EVENT_B:
2547 case DA7219_ACCDET_CONFIG_8:
2548 case DA7219_SYSTEM_STATUS:
2549 return true;
2550 default:
2551 return false;
2552 }
2553 }
2554
2555 static const struct regmap_config da7219_regmap_config = {
2556 .reg_bits = 8,
2557 .val_bits = 8,
2558
2559 .max_register = DA7219_SYSTEM_ACTIVE,
2560 .reg_defaults = da7219_reg_defaults,
2561 .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
2562 .volatile_reg = da7219_volatile_register,
2563 .cache_type = REGCACHE_RBTREE,
2564 };
2565
2566
2567 /*
2568 * I2C layer
2569 */
2570
2571 static int da7219_i2c_probe(struct i2c_client *i2c,
2572 const struct i2c_device_id *id)
2573 {
2574 struct da7219_priv *da7219;
2575 unsigned int system_active, system_status;
2576 int i, ret;
2577
2578 da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
2579 GFP_KERNEL);
2580 if (!da7219)
2581 return -ENOMEM;
2582
2583 i2c_set_clientdata(i2c, da7219);
2584
2585 da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
2586 if (IS_ERR(da7219->regmap)) {
2587 ret = PTR_ERR(da7219->regmap);
2588 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
2589 return ret;
2590 }
2591
2592 regcache_cache_bypass(da7219->regmap, true);
2593
2594 /* Disable audio paths if still active from previous start */
2595 regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active);
2596 if (system_active) {
2597 regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL,
2598 DA7219_GAIN_RAMP_RATE_NOMINAL);
2599 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00);
2600 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01);
2601
2602 for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) {
2603 regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS,
2604 &system_status);
2605 if (!system_status)
2606 break;
2607
2608 msleep(DA7219_SYS_STAT_CHECK_DELAY);
2609 }
2610 }
2611
2612 /* Soft reset component */
2613 regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
2614 DA7219_ACCDET_EN_MASK, 0);
2615 regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
2616 DA7219_CIF_REG_SOFT_RESET_MASK,
2617 DA7219_CIF_REG_SOFT_RESET_MASK);
2618 regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
2619 DA7219_SYSTEM_ACTIVE_MASK, 0);
2620
2621 regcache_cache_bypass(da7219->regmap, false);
2622
2623 ret = devm_snd_soc_register_component(&i2c->dev,
2624 &soc_component_dev_da7219,
2625 &da7219_dai, 1);
2626 if (ret < 0) {
2627 dev_err(&i2c->dev, "Failed to register da7219 component: %d\n",
2628 ret);
2629 }
2630 return ret;
2631 }
2632
2633 static int da7219_i2c_remove(struct i2c_client *client)
2634 {
2635 return 0;
2636 }
2637
2638 static const struct i2c_device_id da7219_i2c_id[] = {
2639 { "da7219", },
2640 { }
2641 };
2642 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
2643
2644 static struct i2c_driver da7219_i2c_driver = {
2645 .driver = {
2646 .name = "da7219",
2647 .of_match_table = of_match_ptr(da7219_of_match),
2648 .acpi_match_table = ACPI_PTR(da7219_acpi_match),
2649 },
2650 .probe = da7219_i2c_probe,
2651 .remove = da7219_i2c_remove,
2652 .id_table = da7219_i2c_id,
2653 };
2654
2655 module_i2c_driver(da7219_i2c_driver);
2656
2657 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
2658 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2659 MODULE_LICENSE("GPL");
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