1 /*
2 * da7219.c - DA7219 ALSA SoC Codec Driver
3 *
4 * Copyright (c) 2015 Dialog Semiconductor
5 *
6 * Author: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 */
13
14 #include <linux/acpi.h>
15 #include <linux/clk.h>
16 #include <linux/i2c.h>
17 #include <linux/of_device.h>
18 #include <linux/property.h>
19 #include <linux/regmap.h>
20 #include <linux/slab.h>
21 #include <linux/pm.h>
22 #include <linux/module.h>
23 #include <linux/delay.h>
24 #include <linux/regulator/consumer.h>
25 #include <sound/pcm.h>
26 #include <sound/pcm_params.h>
27 #include <sound/soc.h>
28 #include <sound/soc-dapm.h>
29 #include <sound/initval.h>
30 #include <sound/tlv.h>
31 #include <asm/div64.h>
32
33 #include <sound/da7219.h>
34 #include "da7219.h"
35 #include "da7219-aad.h"
36
37
38 /*
39 * TLVs and Enums
40 */
41
42 /* Input TLVs */
43 static const DECLARE_TLV_DB_SCALE(da7219_mic_gain_tlv, -600, 600, 0);
44 static const DECLARE_TLV_DB_SCALE(da7219_mixin_gain_tlv, -450, 150, 0);
45 static const DECLARE_TLV_DB_SCALE(da7219_adc_dig_gain_tlv, -8325, 75, 0);
46 static const DECLARE_TLV_DB_SCALE(da7219_alc_threshold_tlv, -9450, 150, 0);
47 static const DECLARE_TLV_DB_SCALE(da7219_alc_gain_tlv, 0, 600, 0);
48 static const DECLARE_TLV_DB_SCALE(da7219_alc_ana_gain_tlv, 0, 600, 0);
49 static const DECLARE_TLV_DB_SCALE(da7219_sidetone_gain_tlv, -4200, 300, 0);
50 static const DECLARE_TLV_DB_SCALE(da7219_tonegen_gain_tlv, -4500, 300, 0);
51
52 /* Output TLVs */
53 static const DECLARE_TLV_DB_SCALE(da7219_dac_eq_band_tlv, -1050, 150, 0);
54
55 static const DECLARE_TLV_DB_RANGE(da7219_dac_dig_gain_tlv,
56 0x0, 0x07, TLV_DB_SCALE_ITEM(TLV_DB_GAIN_MUTE, 0, 1),
57 /* -77.25dB to 12dB */
58 0x08, 0x7f, TLV_DB_SCALE_ITEM(-7725, 75, 0)
59 );
60
61 static const DECLARE_TLV_DB_SCALE(da7219_dac_ng_threshold_tlv, -10200, 600, 0);
62 static const DECLARE_TLV_DB_SCALE(da7219_hp_gain_tlv, -5700, 100, 0);
63
64 /* Input Enums */
65 static const char * const da7219_alc_attack_rate_txt[] = {
66 "7.33/fs", "14.66/fs", "29.32/fs", "58.64/fs", "117.3/fs", "234.6/fs",
67 "469.1/fs", "938.2/fs", "1876/fs", "3753/fs", "7506/fs", "15012/fs",
68 "30024/fs"
69 };
70
71 static const struct soc_enum da7219_alc_attack_rate =
72 SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_ATTACK_SHIFT,
73 DA7219_ALC_ATTACK_MAX, da7219_alc_attack_rate_txt);
74
75 static const char * const da7219_alc_release_rate_txt[] = {
76 "28.66/fs", "57.33/fs", "114.6/fs", "229.3/fs", "458.6/fs", "917.1/fs",
77 "1834/fs", "3668/fs", "7337/fs", "14674/fs", "29348/fs"
78 };
79
80 static const struct soc_enum da7219_alc_release_rate =
81 SOC_ENUM_SINGLE(DA7219_ALC_CTRL2, DA7219_ALC_RELEASE_SHIFT,
82 DA7219_ALC_RELEASE_MAX, da7219_alc_release_rate_txt);
83
84 static const char * const da7219_alc_hold_time_txt[] = {
85 "62/fs", "124/fs", "248/fs", "496/fs", "992/fs", "1984/fs", "3968/fs",
86 "7936/fs", "15872/fs", "31744/fs", "63488/fs", "126976/fs",
87 "253952/fs", "507904/fs", "1015808/fs", "2031616/fs"
88 };
89
90 static const struct soc_enum da7219_alc_hold_time =
91 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_HOLD_SHIFT,
92 DA7219_ALC_HOLD_MAX, da7219_alc_hold_time_txt);
93
94 static const char * const da7219_alc_env_rate_txt[] = {
95 "1/4", "1/16", "1/256", "1/65536"
96 };
97
98 static const struct soc_enum da7219_alc_env_attack_rate =
99 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_ATTACK_SHIFT,
100 DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
101
102 static const struct soc_enum da7219_alc_env_release_rate =
103 SOC_ENUM_SINGLE(DA7219_ALC_CTRL3, DA7219_ALC_INTEG_RELEASE_SHIFT,
104 DA7219_ALC_INTEG_MAX, da7219_alc_env_rate_txt);
105
106 static const char * const da7219_alc_anticlip_step_txt[] = {
107 "0.034dB/fs", "0.068dB/fs", "0.136dB/fs", "0.272dB/fs"
108 };
109
110 static const struct soc_enum da7219_alc_anticlip_step =
111 SOC_ENUM_SINGLE(DA7219_ALC_ANTICLIP_CTRL,
112 DA7219_ALC_ANTICLIP_STEP_SHIFT,
113 DA7219_ALC_ANTICLIP_STEP_MAX,
114 da7219_alc_anticlip_step_txt);
115
116 /* Input/Output Enums */
117 static const char * const da7219_gain_ramp_rate_txt[] = {
118 "Nominal Rate * 8", "Nominal Rate", "Nominal Rate / 8",
119 "Nominal Rate / 16"
120 };
121
122 static const struct soc_enum da7219_gain_ramp_rate =
123 SOC_ENUM_SINGLE(DA7219_GAIN_RAMP_CTRL, DA7219_GAIN_RAMP_RATE_SHIFT,
124 DA7219_GAIN_RAMP_RATE_MAX, da7219_gain_ramp_rate_txt);
125
126 static const char * const da7219_hpf_mode_txt[] = {
127 "Disabled", "Audio", "Voice"
128 };
129
130 static const unsigned int da7219_hpf_mode_val[] = {
131 DA7219_HPF_DISABLED, DA7219_HPF_AUDIO_EN, DA7219_HPF_VOICE_EN,
132 };
133
134 static const struct soc_enum da7219_adc_hpf_mode =
135 SOC_VALUE_ENUM_SINGLE(DA7219_ADC_FILTERS1, DA7219_HPF_MODE_SHIFT,
136 DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
137 da7219_hpf_mode_txt, da7219_hpf_mode_val);
138
139 static const struct soc_enum da7219_dac_hpf_mode =
140 SOC_VALUE_ENUM_SINGLE(DA7219_DAC_FILTERS1, DA7219_HPF_MODE_SHIFT,
141 DA7219_HPF_MODE_MASK, DA7219_HPF_MODE_MAX,
142 da7219_hpf_mode_txt, da7219_hpf_mode_val);
143
144 static const char * const da7219_audio_hpf_corner_txt[] = {
145 "2Hz", "4Hz", "8Hz", "16Hz"
146 };
147
148 static const struct soc_enum da7219_adc_audio_hpf_corner =
149 SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
150 DA7219_ADC_AUDIO_HPF_CORNER_SHIFT,
151 DA7219_AUDIO_HPF_CORNER_MAX,
152 da7219_audio_hpf_corner_txt);
153
154 static const struct soc_enum da7219_dac_audio_hpf_corner =
155 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
156 DA7219_DAC_AUDIO_HPF_CORNER_SHIFT,
157 DA7219_AUDIO_HPF_CORNER_MAX,
158 da7219_audio_hpf_corner_txt);
159
160 static const char * const da7219_voice_hpf_corner_txt[] = {
161 "2.5Hz", "25Hz", "50Hz", "100Hz", "150Hz", "200Hz", "300Hz", "400Hz"
162 };
163
164 static const struct soc_enum da7219_adc_voice_hpf_corner =
165 SOC_ENUM_SINGLE(DA7219_ADC_FILTERS1,
166 DA7219_ADC_VOICE_HPF_CORNER_SHIFT,
167 DA7219_VOICE_HPF_CORNER_MAX,
168 da7219_voice_hpf_corner_txt);
169
170 static const struct soc_enum da7219_dac_voice_hpf_corner =
171 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS1,
172 DA7219_DAC_VOICE_HPF_CORNER_SHIFT,
173 DA7219_VOICE_HPF_CORNER_MAX,
174 da7219_voice_hpf_corner_txt);
175
176 static const char * const da7219_tonegen_dtmf_key_txt[] = {
177 "0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D",
178 "*", "#"
179 };
180
181 static const struct soc_enum da7219_tonegen_dtmf_key =
182 SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG1, DA7219_DTMF_REG_SHIFT,
183 DA7219_DTMF_REG_MAX, da7219_tonegen_dtmf_key_txt);
184
185 static const char * const da7219_tonegen_swg_sel_txt[] = {
186 "Sum", "SWG1", "SWG2", "SWG1_1-Cos"
187 };
188
189 static const struct soc_enum da7219_tonegen_swg_sel =
190 SOC_ENUM_SINGLE(DA7219_TONE_GEN_CFG2, DA7219_SWG_SEL_SHIFT,
191 DA7219_SWG_SEL_MAX, da7219_tonegen_swg_sel_txt);
192
193 /* Output Enums */
194 static const char * const da7219_dac_softmute_rate_txt[] = {
195 "1 Sample", "2 Samples", "4 Samples", "8 Samples", "16 Samples",
196 "32 Samples", "64 Samples"
197 };
198
199 static const struct soc_enum da7219_dac_softmute_rate =
200 SOC_ENUM_SINGLE(DA7219_DAC_FILTERS5, DA7219_DAC_SOFTMUTE_RATE_SHIFT,
201 DA7219_DAC_SOFTMUTE_RATE_MAX,
202 da7219_dac_softmute_rate_txt);
203
204 static const char * const da7219_dac_ng_setup_time_txt[] = {
205 "256 Samples", "512 Samples", "1024 Samples", "2048 Samples"
206 };
207
208 static const struct soc_enum da7219_dac_ng_setup_time =
209 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
210 DA7219_DAC_NG_SETUP_TIME_SHIFT,
211 DA7219_DAC_NG_SETUP_TIME_MAX,
212 da7219_dac_ng_setup_time_txt);
213
214 static const char * const da7219_dac_ng_rampup_txt[] = {
215 "0.22ms/dB", "0.0138ms/dB"
216 };
217
218 static const struct soc_enum da7219_dac_ng_rampup_rate =
219 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
220 DA7219_DAC_NG_RAMPUP_RATE_SHIFT,
221 DA7219_DAC_NG_RAMP_RATE_MAX,
222 da7219_dac_ng_rampup_txt);
223
224 static const char * const da7219_dac_ng_rampdown_txt[] = {
225 "0.88ms/dB", "14.08ms/dB"
226 };
227
228 static const struct soc_enum da7219_dac_ng_rampdown_rate =
229 SOC_ENUM_SINGLE(DA7219_DAC_NG_SETUP_TIME,
230 DA7219_DAC_NG_RAMPDN_RATE_SHIFT,
231 DA7219_DAC_NG_RAMP_RATE_MAX,
232 da7219_dac_ng_rampdown_txt);
233
234
235 static const char * const da7219_cp_track_mode_txt[] = {
236 "Largest Volume", "DAC Volume", "Signal Magnitude"
237 };
238
239 static const unsigned int da7219_cp_track_mode_val[] = {
240 DA7219_CP_MCHANGE_LARGEST_VOL, DA7219_CP_MCHANGE_DAC_VOL,
241 DA7219_CP_MCHANGE_SIG_MAG
242 };
243
244 static const struct soc_enum da7219_cp_track_mode =
245 SOC_VALUE_ENUM_SINGLE(DA7219_CP_CTRL, DA7219_CP_MCHANGE_SHIFT,
246 DA7219_CP_MCHANGE_REL_MASK, DA7219_CP_MCHANGE_MAX,
247 da7219_cp_track_mode_txt,
248 da7219_cp_track_mode_val);
249
250
251 /*
252 * Control Functions
253 */
254
255 /* Locked Kcontrol calls */
da7219_volsw_locked_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)256 static int da7219_volsw_locked_get(struct snd_kcontrol *kcontrol,
257 struct snd_ctl_elem_value *ucontrol)
258 {
259 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
260 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
261 int ret;
262
263 mutex_lock(&da7219->lock);
264 ret = snd_soc_get_volsw(kcontrol, ucontrol);
265 mutex_unlock(&da7219->lock);
266
267 return ret;
268 }
269
da7219_volsw_locked_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)270 static int da7219_volsw_locked_put(struct snd_kcontrol *kcontrol,
271 struct snd_ctl_elem_value *ucontrol)
272 {
273 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
274 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
275 int ret;
276
277 mutex_lock(&da7219->lock);
278 ret = snd_soc_put_volsw(kcontrol, ucontrol);
279 mutex_unlock(&da7219->lock);
280
281 return ret;
282 }
283
da7219_enum_locked_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)284 static int da7219_enum_locked_get(struct snd_kcontrol *kcontrol,
285 struct snd_ctl_elem_value *ucontrol)
286 {
287 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
288 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
289 int ret;
290
291 mutex_lock(&da7219->lock);
292 ret = snd_soc_get_enum_double(kcontrol, ucontrol);
293 mutex_unlock(&da7219->lock);
294
295 return ret;
296 }
297
da7219_enum_locked_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)298 static int da7219_enum_locked_put(struct snd_kcontrol *kcontrol,
299 struct snd_ctl_elem_value *ucontrol)
300 {
301 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
302 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
303 int ret;
304
305 mutex_lock(&da7219->lock);
306 ret = snd_soc_put_enum_double(kcontrol, ucontrol);
307 mutex_unlock(&da7219->lock);
308
309 return ret;
310 }
311
312 /* ALC */
da7219_alc_calib(struct snd_soc_codec * codec)313 static void da7219_alc_calib(struct snd_soc_codec *codec)
314 {
315 u8 mic_ctrl, mixin_ctrl, adc_ctrl, calib_ctrl;
316
317 /* Save current state of mic control register */
318 mic_ctrl = snd_soc_read(codec, DA7219_MIC_1_CTRL);
319
320 /* Save current state of input mixer control register */
321 mixin_ctrl = snd_soc_read(codec, DA7219_MIXIN_L_CTRL);
322
323 /* Save current state of input ADC control register */
324 adc_ctrl = snd_soc_read(codec, DA7219_ADC_L_CTRL);
325
326 /* Enable then Mute MIC PGAs */
327 snd_soc_update_bits(codec, DA7219_MIC_1_CTRL, DA7219_MIC_1_AMP_EN_MASK,
328 DA7219_MIC_1_AMP_EN_MASK);
329 snd_soc_update_bits(codec, DA7219_MIC_1_CTRL,
330 DA7219_MIC_1_AMP_MUTE_EN_MASK,
331 DA7219_MIC_1_AMP_MUTE_EN_MASK);
332
333 /* Enable input mixers unmuted */
334 snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
335 DA7219_MIXIN_L_AMP_EN_MASK |
336 DA7219_MIXIN_L_AMP_MUTE_EN_MASK,
337 DA7219_MIXIN_L_AMP_EN_MASK);
338
339 /* Enable input filters unmuted */
340 snd_soc_update_bits(codec, DA7219_ADC_L_CTRL,
341 DA7219_ADC_L_MUTE_EN_MASK | DA7219_ADC_L_EN_MASK,
342 DA7219_ADC_L_EN_MASK);
343
344 /* Perform auto calibration */
345 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
346 DA7219_ALC_AUTO_CALIB_EN_MASK,
347 DA7219_ALC_AUTO_CALIB_EN_MASK);
348 do {
349 calib_ctrl = snd_soc_read(codec, DA7219_ALC_CTRL1);
350 } while (calib_ctrl & DA7219_ALC_AUTO_CALIB_EN_MASK);
351
352 /* If auto calibration fails, disable DC offset, hybrid ALC */
353 if (calib_ctrl & DA7219_ALC_CALIB_OVERFLOW_MASK) {
354 dev_warn(codec->dev,
355 "ALC auto calibration failed with overflow\n");
356 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
357 DA7219_ALC_OFFSET_EN_MASK |
358 DA7219_ALC_SYNC_MODE_MASK, 0);
359 } else {
360 /* Enable DC offset cancellation, hybrid mode */
361 snd_soc_update_bits(codec, DA7219_ALC_CTRL1,
362 DA7219_ALC_OFFSET_EN_MASK |
363 DA7219_ALC_SYNC_MODE_MASK,
364 DA7219_ALC_OFFSET_EN_MASK |
365 DA7219_ALC_SYNC_MODE_MASK);
366 }
367
368 /* Restore input filter control register to original state */
369 snd_soc_write(codec, DA7219_ADC_L_CTRL, adc_ctrl);
370
371 /* Restore input mixer control registers to original state */
372 snd_soc_write(codec, DA7219_MIXIN_L_CTRL, mixin_ctrl);
373
374 /* Restore MIC control registers to original states */
375 snd_soc_write(codec, DA7219_MIC_1_CTRL, mic_ctrl);
376 }
377
da7219_mixin_gain_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)378 static int da7219_mixin_gain_put(struct snd_kcontrol *kcontrol,
379 struct snd_ctl_elem_value *ucontrol)
380 {
381 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
382 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
383 int ret;
384
385 ret = snd_soc_put_volsw(kcontrol, ucontrol);
386
387 /*
388 * If ALC in operation and value of control has been updated,
389 * make sure calibrated offsets are updated.
390 */
391 if ((ret == 1) && (da7219->alc_en))
392 da7219_alc_calib(codec);
393
394 return ret;
395 }
396
da7219_alc_sw_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)397 static int da7219_alc_sw_put(struct snd_kcontrol *kcontrol,
398 struct snd_ctl_elem_value *ucontrol)
399 {
400 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
401 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
402
403
404 /* Force ALC offset calibration if enabling ALC */
405 if ((ucontrol->value.integer.value[0]) && (!da7219->alc_en)) {
406 da7219_alc_calib(codec);
407 da7219->alc_en = true;
408 } else {
409 da7219->alc_en = false;
410 }
411
412 return snd_soc_put_volsw(kcontrol, ucontrol);
413 }
414
415 /* ToneGen */
da7219_tonegen_freq_get(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)416 static int da7219_tonegen_freq_get(struct snd_kcontrol *kcontrol,
417 struct snd_ctl_elem_value *ucontrol)
418 {
419 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
420 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
421 struct soc_mixer_control *mixer_ctrl =
422 (struct soc_mixer_control *) kcontrol->private_value;
423 unsigned int reg = mixer_ctrl->reg;
424 u16 val;
425 int ret;
426
427 mutex_lock(&da7219->lock);
428 ret = regmap_raw_read(da7219->regmap, reg, &val, sizeof(val));
429 mutex_unlock(&da7219->lock);
430
431 if (ret)
432 return ret;
433
434 /*
435 * Frequency value spans two 8-bit registers, lower then upper byte.
436 * Therefore we need to convert to host endianness here.
437 */
438 ucontrol->value.integer.value[0] = le16_to_cpu(val);
439
440 return 0;
441 }
442
da7219_tonegen_freq_put(struct snd_kcontrol * kcontrol,struct snd_ctl_elem_value * ucontrol)443 static int da7219_tonegen_freq_put(struct snd_kcontrol *kcontrol,
444 struct snd_ctl_elem_value *ucontrol)
445 {
446 struct snd_soc_codec *codec = snd_soc_kcontrol_codec(kcontrol);
447 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
448 struct soc_mixer_control *mixer_ctrl =
449 (struct soc_mixer_control *) kcontrol->private_value;
450 unsigned int reg = mixer_ctrl->reg;
451 u16 val;
452 int ret;
453
454 /*
455 * Frequency value spans two 8-bit registers, lower then upper byte.
456 * Therefore we need to convert to little endian here to align with
457 * HW registers.
458 */
459 val = cpu_to_le16(ucontrol->value.integer.value[0]);
460
461 mutex_lock(&da7219->lock);
462 ret = regmap_raw_write(da7219->regmap, reg, &val, sizeof(val));
463 mutex_unlock(&da7219->lock);
464
465 return ret;
466 }
467
468
469 /*
470 * KControls
471 */
472
473 static const struct snd_kcontrol_new da7219_snd_controls[] = {
474 /* Mics */
475 SOC_SINGLE_TLV("Mic Volume", DA7219_MIC_1_GAIN,
476 DA7219_MIC_1_AMP_GAIN_SHIFT, DA7219_MIC_1_AMP_GAIN_MAX,
477 DA7219_NO_INVERT, da7219_mic_gain_tlv),
478 SOC_SINGLE("Mic Switch", DA7219_MIC_1_CTRL,
479 DA7219_MIC_1_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
480 DA7219_INVERT),
481
482 /* Mixer Input */
483 SOC_SINGLE_EXT_TLV("Mixin Volume", DA7219_MIXIN_L_GAIN,
484 DA7219_MIXIN_L_AMP_GAIN_SHIFT,
485 DA7219_MIXIN_L_AMP_GAIN_MAX, DA7219_NO_INVERT,
486 snd_soc_get_volsw, da7219_mixin_gain_put,
487 da7219_mixin_gain_tlv),
488 SOC_SINGLE("Mixin Switch", DA7219_MIXIN_L_CTRL,
489 DA7219_MIXIN_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
490 DA7219_INVERT),
491 SOC_SINGLE("Mixin Gain Ramp Switch", DA7219_MIXIN_L_CTRL,
492 DA7219_MIXIN_L_AMP_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
493 DA7219_NO_INVERT),
494 SOC_SINGLE("Mixin ZC Gain Switch", DA7219_MIXIN_L_CTRL,
495 DA7219_MIXIN_L_AMP_ZC_EN_SHIFT, DA7219_SWITCH_EN_MAX,
496 DA7219_NO_INVERT),
497
498 /* ADC */
499 SOC_SINGLE_TLV("Capture Digital Volume", DA7219_ADC_L_GAIN,
500 DA7219_ADC_L_DIGITAL_GAIN_SHIFT,
501 DA7219_ADC_L_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
502 da7219_adc_dig_gain_tlv),
503 SOC_SINGLE("Capture Digital Switch", DA7219_ADC_L_CTRL,
504 DA7219_ADC_L_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
505 DA7219_INVERT),
506 SOC_SINGLE("Capture Digital Gain Ramp Switch", DA7219_ADC_L_CTRL,
507 DA7219_ADC_L_RAMP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
508 DA7219_NO_INVERT),
509
510 /* ALC */
511 SOC_ENUM("ALC Attack Rate", da7219_alc_attack_rate),
512 SOC_ENUM("ALC Release Rate", da7219_alc_release_rate),
513 SOC_ENUM("ALC Hold Time", da7219_alc_hold_time),
514 SOC_ENUM("ALC Envelope Attack Rate", da7219_alc_env_attack_rate),
515 SOC_ENUM("ALC Envelope Release Rate", da7219_alc_env_release_rate),
516 SOC_SINGLE_TLV("ALC Noise Threshold", DA7219_ALC_NOISE,
517 DA7219_ALC_NOISE_SHIFT, DA7219_ALC_THRESHOLD_MAX,
518 DA7219_INVERT, da7219_alc_threshold_tlv),
519 SOC_SINGLE_TLV("ALC Min Threshold", DA7219_ALC_TARGET_MIN,
520 DA7219_ALC_THRESHOLD_MIN_SHIFT, DA7219_ALC_THRESHOLD_MAX,
521 DA7219_INVERT, da7219_alc_threshold_tlv),
522 SOC_SINGLE_TLV("ALC Max Threshold", DA7219_ALC_TARGET_MAX,
523 DA7219_ALC_THRESHOLD_MAX_SHIFT, DA7219_ALC_THRESHOLD_MAX,
524 DA7219_INVERT, da7219_alc_threshold_tlv),
525 SOC_SINGLE_TLV("ALC Max Attenuation", DA7219_ALC_GAIN_LIMITS,
526 DA7219_ALC_ATTEN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
527 DA7219_NO_INVERT, da7219_alc_gain_tlv),
528 SOC_SINGLE_TLV("ALC Max Volume", DA7219_ALC_GAIN_LIMITS,
529 DA7219_ALC_GAIN_MAX_SHIFT, DA7219_ALC_ATTEN_GAIN_MAX,
530 DA7219_NO_INVERT, da7219_alc_gain_tlv),
531 SOC_SINGLE_RANGE_TLV("ALC Min Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
532 DA7219_ALC_ANA_GAIN_MIN_SHIFT,
533 DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
534 DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
535 SOC_SINGLE_RANGE_TLV("ALC Max Analog Volume", DA7219_ALC_ANA_GAIN_LIMITS,
536 DA7219_ALC_ANA_GAIN_MAX_SHIFT,
537 DA7219_ALC_ANA_GAIN_MIN, DA7219_ALC_ANA_GAIN_MAX,
538 DA7219_NO_INVERT, da7219_alc_ana_gain_tlv),
539 SOC_ENUM("ALC Anticlip Step", da7219_alc_anticlip_step),
540 SOC_SINGLE("ALC Anticlip Switch", DA7219_ALC_ANTICLIP_CTRL,
541 DA7219_ALC_ANTIPCLIP_EN_SHIFT, DA7219_SWITCH_EN_MAX,
542 DA7219_NO_INVERT),
543 SOC_SINGLE_EXT("ALC Switch", DA7219_ALC_CTRL1, DA7219_ALC_EN_SHIFT,
544 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT,
545 snd_soc_get_volsw, da7219_alc_sw_put),
546
547 /* Input High-Pass Filters */
548 SOC_ENUM("ADC HPF Mode", da7219_adc_hpf_mode),
549 SOC_ENUM("ADC HPF Corner Audio", da7219_adc_audio_hpf_corner),
550 SOC_ENUM("ADC HPF Corner Voice", da7219_adc_voice_hpf_corner),
551
552 /* Sidetone Filter */
553 SOC_SINGLE_TLV("Sidetone Volume", DA7219_SIDETONE_GAIN,
554 DA7219_SIDETONE_GAIN_SHIFT, DA7219_SIDETONE_GAIN_MAX,
555 DA7219_NO_INVERT, da7219_sidetone_gain_tlv),
556 SOC_SINGLE("Sidetone Switch", DA7219_SIDETONE_CTRL,
557 DA7219_SIDETONE_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
558 DA7219_INVERT),
559
560 /* Tone Generator */
561 SOC_SINGLE_EXT_TLV("ToneGen Volume", DA7219_TONE_GEN_CFG2,
562 DA7219_TONE_GEN_GAIN_SHIFT, DA7219_TONE_GEN_GAIN_MAX,
563 DA7219_NO_INVERT, da7219_volsw_locked_get,
564 da7219_volsw_locked_put, da7219_tonegen_gain_tlv),
565 SOC_ENUM_EXT("ToneGen DTMF Key", da7219_tonegen_dtmf_key,
566 da7219_enum_locked_get, da7219_enum_locked_put),
567 SOC_SINGLE_EXT("ToneGen DTMF Switch", DA7219_TONE_GEN_CFG1,
568 DA7219_DTMF_EN_SHIFT, DA7219_SWITCH_EN_MAX,
569 DA7219_NO_INVERT, da7219_volsw_locked_get,
570 da7219_volsw_locked_put),
571 SOC_ENUM_EXT("ToneGen Sinewave Gen Type", da7219_tonegen_swg_sel,
572 da7219_enum_locked_get, da7219_enum_locked_put),
573 SOC_SINGLE_EXT("ToneGen Sinewave1 Freq", DA7219_TONE_GEN_FREQ1_L,
574 DA7219_FREQ1_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
575 da7219_tonegen_freq_get, da7219_tonegen_freq_put),
576 SOC_SINGLE_EXT("ToneGen Sinewave2 Freq", DA7219_TONE_GEN_FREQ2_L,
577 DA7219_FREQ2_L_SHIFT, DA7219_FREQ_MAX, DA7219_NO_INVERT,
578 da7219_tonegen_freq_get, da7219_tonegen_freq_put),
579 SOC_SINGLE_EXT("ToneGen On Time", DA7219_TONE_GEN_ON_PER,
580 DA7219_BEEP_ON_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
581 DA7219_NO_INVERT, da7219_volsw_locked_get,
582 da7219_volsw_locked_put),
583 SOC_SINGLE("ToneGen Off Time", DA7219_TONE_GEN_OFF_PER,
584 DA7219_BEEP_OFF_PER_SHIFT, DA7219_BEEP_ON_OFF_MAX,
585 DA7219_NO_INVERT),
586
587 /* Gain ramping */
588 SOC_ENUM("Gain Ramp Rate", da7219_gain_ramp_rate),
589
590 /* DAC High-Pass Filter */
591 SOC_ENUM_EXT("DAC HPF Mode", da7219_dac_hpf_mode,
592 da7219_enum_locked_get, da7219_enum_locked_put),
593 SOC_ENUM("DAC HPF Corner Audio", da7219_dac_audio_hpf_corner),
594 SOC_ENUM("DAC HPF Corner Voice", da7219_dac_voice_hpf_corner),
595
596 /* DAC 5-Band Equaliser */
597 SOC_SINGLE_TLV("DAC EQ Band1 Volume", DA7219_DAC_FILTERS2,
598 DA7219_DAC_EQ_BAND1_SHIFT, DA7219_DAC_EQ_BAND_MAX,
599 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
600 SOC_SINGLE_TLV("DAC EQ Band2 Volume", DA7219_DAC_FILTERS2,
601 DA7219_DAC_EQ_BAND2_SHIFT, DA7219_DAC_EQ_BAND_MAX,
602 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
603 SOC_SINGLE_TLV("DAC EQ Band3 Volume", DA7219_DAC_FILTERS3,
604 DA7219_DAC_EQ_BAND3_SHIFT, DA7219_DAC_EQ_BAND_MAX,
605 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
606 SOC_SINGLE_TLV("DAC EQ Band4 Volume", DA7219_DAC_FILTERS3,
607 DA7219_DAC_EQ_BAND4_SHIFT, DA7219_DAC_EQ_BAND_MAX,
608 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
609 SOC_SINGLE_TLV("DAC EQ Band5 Volume", DA7219_DAC_FILTERS4,
610 DA7219_DAC_EQ_BAND5_SHIFT, DA7219_DAC_EQ_BAND_MAX,
611 DA7219_NO_INVERT, da7219_dac_eq_band_tlv),
612 SOC_SINGLE_EXT("DAC EQ Switch", DA7219_DAC_FILTERS4,
613 DA7219_DAC_EQ_EN_SHIFT, DA7219_SWITCH_EN_MAX,
614 DA7219_NO_INVERT, da7219_volsw_locked_get,
615 da7219_volsw_locked_put),
616
617 /* DAC Softmute */
618 SOC_ENUM("DAC Soft Mute Rate", da7219_dac_softmute_rate),
619 SOC_SINGLE_EXT("DAC Soft Mute Switch", DA7219_DAC_FILTERS5,
620 DA7219_DAC_SOFTMUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
621 DA7219_NO_INVERT, da7219_volsw_locked_get,
622 da7219_volsw_locked_put),
623
624 /* DAC Noise Gate */
625 SOC_ENUM("DAC NG Setup Time", da7219_dac_ng_setup_time),
626 SOC_ENUM("DAC NG Rampup Rate", da7219_dac_ng_rampup_rate),
627 SOC_ENUM("DAC NG Rampdown Rate", da7219_dac_ng_rampdown_rate),
628 SOC_SINGLE_TLV("DAC NG Off Threshold", DA7219_DAC_NG_OFF_THRESH,
629 DA7219_DAC_NG_OFF_THRESHOLD_SHIFT,
630 DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
631 da7219_dac_ng_threshold_tlv),
632 SOC_SINGLE_TLV("DAC NG On Threshold", DA7219_DAC_NG_ON_THRESH,
633 DA7219_DAC_NG_ON_THRESHOLD_SHIFT,
634 DA7219_DAC_NG_THRESHOLD_MAX, DA7219_NO_INVERT,
635 da7219_dac_ng_threshold_tlv),
636 SOC_SINGLE("DAC NG Switch", DA7219_DAC_NG_CTRL, DA7219_DAC_NG_EN_SHIFT,
637 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
638
639 /* DACs */
640 SOC_DOUBLE_R_EXT_TLV("Playback Digital Volume", DA7219_DAC_L_GAIN,
641 DA7219_DAC_R_GAIN, DA7219_DAC_L_DIGITAL_GAIN_SHIFT,
642 DA7219_DAC_DIGITAL_GAIN_MAX, DA7219_NO_INVERT,
643 da7219_volsw_locked_get, da7219_volsw_locked_put,
644 da7219_dac_dig_gain_tlv),
645 SOC_DOUBLE_R_EXT("Playback Digital Switch", DA7219_DAC_L_CTRL,
646 DA7219_DAC_R_CTRL, DA7219_DAC_L_MUTE_EN_SHIFT,
647 DA7219_SWITCH_EN_MAX, DA7219_INVERT,
648 da7219_volsw_locked_get, da7219_volsw_locked_put),
649 SOC_DOUBLE_R("Playback Digital Gain Ramp Switch", DA7219_DAC_L_CTRL,
650 DA7219_DAC_R_CTRL, DA7219_DAC_L_RAMP_EN_SHIFT,
651 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
652
653 /* CP */
654 SOC_ENUM("Charge Pump Track Mode", da7219_cp_track_mode),
655 SOC_SINGLE("Charge Pump Threshold", DA7219_CP_VOL_THRESHOLD1,
656 DA7219_CP_THRESH_VDD2_SHIFT, DA7219_CP_THRESH_VDD2_MAX,
657 DA7219_NO_INVERT),
658
659 /* Headphones */
660 SOC_DOUBLE_R_EXT_TLV("Headphone Volume", DA7219_HP_L_GAIN,
661 DA7219_HP_R_GAIN, DA7219_HP_L_AMP_GAIN_SHIFT,
662 DA7219_HP_AMP_GAIN_MAX, DA7219_NO_INVERT,
663 da7219_volsw_locked_get, da7219_volsw_locked_put,
664 da7219_hp_gain_tlv),
665 SOC_DOUBLE_R_EXT("Headphone Switch", DA7219_HP_L_CTRL, DA7219_HP_R_CTRL,
666 DA7219_HP_L_AMP_MUTE_EN_SHIFT, DA7219_SWITCH_EN_MAX,
667 DA7219_INVERT, da7219_volsw_locked_get,
668 da7219_volsw_locked_put),
669 SOC_DOUBLE_R("Headphone Gain Ramp Switch", DA7219_HP_L_CTRL,
670 DA7219_HP_R_CTRL, DA7219_HP_L_AMP_RAMP_EN_SHIFT,
671 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
672 SOC_DOUBLE_R("Headphone ZC Gain Switch", DA7219_HP_L_CTRL,
673 DA7219_HP_R_CTRL, DA7219_HP_L_AMP_ZC_EN_SHIFT,
674 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
675 };
676
677
678 /*
679 * DAPM Mux Controls
680 */
681
682 static const char * const da7219_out_sel_txt[] = {
683 "ADC", "Tone Generator", "DAIL", "DAIR"
684 };
685
686 static const struct soc_enum da7219_out_dail_sel =
687 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
688 DA7219_DAI_L_SRC_SHIFT,
689 DA7219_OUT_SRC_MAX,
690 da7219_out_sel_txt);
691
692 static const struct snd_kcontrol_new da7219_out_dail_sel_mux =
693 SOC_DAPM_ENUM("Out DAIL Mux", da7219_out_dail_sel);
694
695 static const struct soc_enum da7219_out_dair_sel =
696 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAI,
697 DA7219_DAI_R_SRC_SHIFT,
698 DA7219_OUT_SRC_MAX,
699 da7219_out_sel_txt);
700
701 static const struct snd_kcontrol_new da7219_out_dair_sel_mux =
702 SOC_DAPM_ENUM("Out DAIR Mux", da7219_out_dair_sel);
703
704 static const struct soc_enum da7219_out_dacl_sel =
705 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
706 DA7219_DAC_L_SRC_SHIFT,
707 DA7219_OUT_SRC_MAX,
708 da7219_out_sel_txt);
709
710 static const struct snd_kcontrol_new da7219_out_dacl_sel_mux =
711 SOC_DAPM_ENUM("Out DACL Mux", da7219_out_dacl_sel);
712
713 static const struct soc_enum da7219_out_dacr_sel =
714 SOC_ENUM_SINGLE(DA7219_DIG_ROUTING_DAC,
715 DA7219_DAC_R_SRC_SHIFT,
716 DA7219_OUT_SRC_MAX,
717 da7219_out_sel_txt);
718
719 static const struct snd_kcontrol_new da7219_out_dacr_sel_mux =
720 SOC_DAPM_ENUM("Out DACR Mux", da7219_out_dacr_sel);
721
722
723 /*
724 * DAPM Mixer Controls
725 */
726
727 static const struct snd_kcontrol_new da7219_mixin_controls[] = {
728 SOC_DAPM_SINGLE("Mic Switch", DA7219_MIXIN_L_SELECT,
729 DA7219_MIXIN_L_MIX_SELECT_SHIFT,
730 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
731 };
732
733 static const struct snd_kcontrol_new da7219_mixout_l_controls[] = {
734 SOC_DAPM_SINGLE("DACL Switch", DA7219_MIXOUT_L_SELECT,
735 DA7219_MIXOUT_L_MIX_SELECT_SHIFT,
736 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
737 };
738
739 static const struct snd_kcontrol_new da7219_mixout_r_controls[] = {
740 SOC_DAPM_SINGLE("DACR Switch", DA7219_MIXOUT_R_SELECT,
741 DA7219_MIXOUT_R_MIX_SELECT_SHIFT,
742 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT),
743 };
744
745 #define DA7219_DMIX_ST_CTRLS(reg) \
746 SOC_DAPM_SINGLE("Out FilterL Switch", reg, \
747 DA7219_DMIX_ST_SRC_OUTFILT1L_SHIFT, \
748 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \
749 SOC_DAPM_SINGLE("Out FilterR Switch", reg, \
750 DA7219_DMIX_ST_SRC_OUTFILT1R_SHIFT, \
751 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT), \
752 SOC_DAPM_SINGLE("Sidetone Switch", reg, \
753 DA7219_DMIX_ST_SRC_SIDETONE_SHIFT, \
754 DA7219_SWITCH_EN_MAX, DA7219_NO_INVERT) \
755
756 static const struct snd_kcontrol_new da7219_st_out_filtl_mix_controls[] = {
757 DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1L),
758 };
759
760 static const struct snd_kcontrol_new da7219_st_out_filtr_mix_controls[] = {
761 DA7219_DMIX_ST_CTRLS(DA7219_DROUTING_ST_OUTFILT_1R),
762 };
763
764
765 /*
766 * DAPM Events
767 */
768
da7219_dai_event(struct snd_soc_dapm_widget * w,struct snd_kcontrol * kcontrol,int event)769 static int da7219_dai_event(struct snd_soc_dapm_widget *w,
770 struct snd_kcontrol *kcontrol, int event)
771 {
772 struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
773 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
774 u8 pll_ctrl, pll_status;
775 int i = 0;
776 bool srm_lock = false;
777
778 switch (event) {
779 case SND_SOC_DAPM_PRE_PMU:
780 if (da7219->master)
781 /* Enable DAI clks for master mode */
782 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
783 DA7219_DAI_CLK_EN_MASK,
784 DA7219_DAI_CLK_EN_MASK);
785
786 /* PC synchronised to DAI */
787 snd_soc_update_bits(codec, DA7219_PC_COUNT,
788 DA7219_PC_FREERUN_MASK, 0);
789
790 /* Slave mode, if SRM not enabled no need for status checks */
791 pll_ctrl = snd_soc_read(codec, DA7219_PLL_CTRL);
792 if ((pll_ctrl & DA7219_PLL_MODE_MASK) != DA7219_PLL_MODE_SRM)
793 return 0;
794
795 /* Check SRM has locked */
796 do {
797 pll_status = snd_soc_read(codec, DA7219_PLL_SRM_STS);
798 if (pll_status & DA7219_PLL_SRM_STS_SRM_LOCK) {
799 srm_lock = true;
800 } else {
801 ++i;
802 msleep(50);
803 }
804 } while ((i < DA7219_SRM_CHECK_RETRIES) && (!srm_lock));
805
806 if (!srm_lock)
807 dev_warn(codec->dev, "SRM failed to lock\n");
808
809 return 0;
810 case SND_SOC_DAPM_POST_PMD:
811 /* PC free-running */
812 snd_soc_update_bits(codec, DA7219_PC_COUNT,
813 DA7219_PC_FREERUN_MASK,
814 DA7219_PC_FREERUN_MASK);
815
816 /* Disable DAI clks if in master mode */
817 if (da7219->master)
818 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
819 DA7219_DAI_CLK_EN_MASK, 0);
820 return 0;
821 default:
822 return -EINVAL;
823 }
824 }
825
826
827 /*
828 * DAPM Widgets
829 */
830
831 static const struct snd_soc_dapm_widget da7219_dapm_widgets[] = {
832 /* Input Supplies */
833 SND_SOC_DAPM_SUPPLY("Mic Bias", DA7219_MICBIAS_CTRL,
834 DA7219_MICBIAS1_EN_SHIFT, DA7219_NO_INVERT,
835 NULL, 0),
836
837 /* Inputs */
838 SND_SOC_DAPM_INPUT("MIC"),
839
840 /* Input PGAs */
841 SND_SOC_DAPM_PGA("Mic PGA", DA7219_MIC_1_CTRL,
842 DA7219_MIC_1_AMP_EN_SHIFT, DA7219_NO_INVERT,
843 NULL, 0),
844 SND_SOC_DAPM_PGA("Mixin PGA", DA7219_MIXIN_L_CTRL,
845 DA7219_MIXIN_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
846 NULL, 0),
847
848 /* Input Filters */
849 SND_SOC_DAPM_ADC("ADC", NULL, DA7219_ADC_L_CTRL, DA7219_ADC_L_EN_SHIFT,
850 DA7219_NO_INVERT),
851
852 /* Tone Generator */
853 SND_SOC_DAPM_SIGGEN("TONE"),
854 SND_SOC_DAPM_PGA("Tone Generator", DA7219_TONE_GEN_CFG1,
855 DA7219_START_STOPN_SHIFT, DA7219_NO_INVERT, NULL, 0),
856
857 /* Sidetone Input */
858 SND_SOC_DAPM_ADC("Sidetone Filter", NULL, DA7219_SIDETONE_CTRL,
859 DA7219_SIDETONE_EN_SHIFT, DA7219_NO_INVERT),
860
861 /* Input Mixer Supply */
862 SND_SOC_DAPM_SUPPLY("Mixer In Supply", DA7219_MIXIN_L_CTRL,
863 DA7219_MIXIN_L_MIX_EN_SHIFT, DA7219_NO_INVERT,
864 NULL, 0),
865
866 /* Input Mixer */
867 SND_SOC_DAPM_MIXER("Mixer In", SND_SOC_NOPM, 0, 0,
868 da7219_mixin_controls,
869 ARRAY_SIZE(da7219_mixin_controls)),
870
871 /* Input Muxes */
872 SND_SOC_DAPM_MUX("Out DAIL Mux", SND_SOC_NOPM, 0, 0,
873 &da7219_out_dail_sel_mux),
874 SND_SOC_DAPM_MUX("Out DAIR Mux", SND_SOC_NOPM, 0, 0,
875 &da7219_out_dair_sel_mux),
876
877 /* DAI Supply */
878 SND_SOC_DAPM_SUPPLY("DAI", DA7219_DAI_CTRL, DA7219_DAI_EN_SHIFT,
879 DA7219_NO_INVERT, da7219_dai_event,
880 SND_SOC_DAPM_PRE_PMU | SND_SOC_DAPM_POST_PMD),
881
882 /* DAI */
883 SND_SOC_DAPM_AIF_OUT("DAIOUT", "Capture", 0, DA7219_DAI_TDM_CTRL,
884 DA7219_DAI_OE_SHIFT, DA7219_NO_INVERT),
885 SND_SOC_DAPM_AIF_IN("DAIIN", "Playback", 0, SND_SOC_NOPM, 0, 0),
886
887 /* Output Muxes */
888 SND_SOC_DAPM_MUX("Out DACL Mux", SND_SOC_NOPM, 0, 0,
889 &da7219_out_dacl_sel_mux),
890 SND_SOC_DAPM_MUX("Out DACR Mux", SND_SOC_NOPM, 0, 0,
891 &da7219_out_dacr_sel_mux),
892
893 /* Output Mixers */
894 SND_SOC_DAPM_MIXER("Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
895 da7219_mixout_l_controls,
896 ARRAY_SIZE(da7219_mixout_l_controls)),
897 SND_SOC_DAPM_MIXER("Mixer Out FilterR", SND_SOC_NOPM, 0, 0,
898 da7219_mixout_r_controls,
899 ARRAY_SIZE(da7219_mixout_r_controls)),
900
901 /* Sidetone Mixers */
902 SND_SOC_DAPM_MIXER("ST Mixer Out FilterL", SND_SOC_NOPM, 0, 0,
903 da7219_st_out_filtl_mix_controls,
904 ARRAY_SIZE(da7219_st_out_filtl_mix_controls)),
905 SND_SOC_DAPM_MIXER("ST Mixer Out FilterR", SND_SOC_NOPM, 0,
906 0, da7219_st_out_filtr_mix_controls,
907 ARRAY_SIZE(da7219_st_out_filtr_mix_controls)),
908
909 /* DACs */
910 SND_SOC_DAPM_DAC("DACL", NULL, DA7219_DAC_L_CTRL, DA7219_DAC_L_EN_SHIFT,
911 DA7219_NO_INVERT),
912 SND_SOC_DAPM_DAC("DACR", NULL, DA7219_DAC_R_CTRL, DA7219_DAC_R_EN_SHIFT,
913 DA7219_NO_INVERT),
914
915 /* Output PGAs */
916 SND_SOC_DAPM_PGA("Mixout Left PGA", DA7219_MIXOUT_L_CTRL,
917 DA7219_MIXOUT_L_AMP_EN_SHIFT, DA7219_NO_INVERT,
918 NULL, 0),
919 SND_SOC_DAPM_PGA("Mixout Right PGA", DA7219_MIXOUT_R_CTRL,
920 DA7219_MIXOUT_R_AMP_EN_SHIFT, DA7219_NO_INVERT,
921 NULL, 0),
922 SND_SOC_DAPM_PGA("Headphone Left PGA", DA7219_HP_L_CTRL,
923 DA7219_HP_L_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
924 SND_SOC_DAPM_PGA("Headphone Right PGA", DA7219_HP_R_CTRL,
925 DA7219_HP_R_AMP_EN_SHIFT, DA7219_NO_INVERT, NULL, 0),
926
927 /* Output Supplies */
928 SND_SOC_DAPM_SUPPLY("Charge Pump", DA7219_CP_CTRL, DA7219_CP_EN_SHIFT,
929 DA7219_NO_INVERT, NULL, 0),
930
931 /* Outputs */
932 SND_SOC_DAPM_OUTPUT("HPL"),
933 SND_SOC_DAPM_OUTPUT("HPR"),
934 };
935
936
937 /*
938 * DAPM Mux Routes
939 */
940
941 #define DA7219_OUT_DAI_MUX_ROUTES(name) \
942 {name, "ADC", "Mixer In"}, \
943 {name, "Tone Generator", "Tone Generator"}, \
944 {name, "DAIL", "DAIOUT"}, \
945 {name, "DAIR", "DAIOUT"}
946
947 #define DA7219_OUT_DAC_MUX_ROUTES(name) \
948 {name, "ADC", "Mixer In"}, \
949 {name, "Tone Generator", "Tone Generator"}, \
950 {name, "DAIL", "DAIIN"}, \
951 {name, "DAIR", "DAIIN"}
952
953 /*
954 * DAPM Mixer Routes
955 */
956
957 #define DA7219_DMIX_ST_ROUTES(name) \
958 {name, "Out FilterL Switch", "Mixer Out FilterL"}, \
959 {name, "Out FilterR Switch", "Mixer Out FilterR"}, \
960 {name, "Sidetone Switch", "Sidetone Filter"}
961
962
963 /*
964 * DAPM audio route definition
965 */
966
967 static const struct snd_soc_dapm_route da7219_audio_map[] = {
968 /* Input paths */
969 {"MIC", NULL, "Mic Bias"},
970 {"Mic PGA", NULL, "MIC"},
971 {"Mixin PGA", NULL, "Mic PGA"},
972 {"ADC", NULL, "Mixin PGA"},
973
974 {"Mixer In", NULL, "Mixer In Supply"},
975 {"Mixer In", "Mic Switch", "ADC"},
976
977 {"Sidetone Filter", NULL, "Mixer In"},
978
979 {"Tone Generator", NULL, "TONE"},
980
981 DA7219_OUT_DAI_MUX_ROUTES("Out DAIL Mux"),
982 DA7219_OUT_DAI_MUX_ROUTES("Out DAIR Mux"),
983
984 {"DAIOUT", NULL, "Out DAIL Mux"},
985 {"DAIOUT", NULL, "Out DAIR Mux"},
986 {"DAIOUT", NULL, "DAI"},
987
988 /* Output paths */
989 {"DAIIN", NULL, "DAI"},
990
991 DA7219_OUT_DAC_MUX_ROUTES("Out DACL Mux"),
992 DA7219_OUT_DAC_MUX_ROUTES("Out DACR Mux"),
993
994 {"Mixer Out FilterL", "DACL Switch", "Out DACL Mux"},
995 {"Mixer Out FilterR", "DACR Switch", "Out DACR Mux"},
996
997 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterL"),
998 DA7219_DMIX_ST_ROUTES("ST Mixer Out FilterR"),
999
1000 {"DACL", NULL, "ST Mixer Out FilterL"},
1001 {"DACR", NULL, "ST Mixer Out FilterR"},
1002
1003 {"Mixout Left PGA", NULL, "DACL"},
1004 {"Mixout Right PGA", NULL, "DACR"},
1005
1006 {"Headphone Left PGA", NULL, "Mixout Left PGA"},
1007 {"Headphone Right PGA", NULL, "Mixout Right PGA"},
1008
1009 {"HPL", NULL, "Headphone Left PGA"},
1010 {"HPR", NULL, "Headphone Right PGA"},
1011
1012 {"HPL", NULL, "Charge Pump"},
1013 {"HPR", NULL, "Charge Pump"},
1014 };
1015
1016
1017 /*
1018 * DAI operations
1019 */
1020
da7219_set_dai_sysclk(struct snd_soc_dai * codec_dai,int clk_id,unsigned int freq,int dir)1021 static int da7219_set_dai_sysclk(struct snd_soc_dai *codec_dai,
1022 int clk_id, unsigned int freq, int dir)
1023 {
1024 struct snd_soc_codec *codec = codec_dai->codec;
1025 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1026 int ret = 0;
1027
1028 if ((da7219->clk_src == clk_id) && (da7219->mclk_rate == freq))
1029 return 0;
1030
1031 if ((freq < 2000000) || (freq > 54000000)) {
1032 dev_err(codec_dai->dev, "Unsupported MCLK value %d\n",
1033 freq);
1034 return -EINVAL;
1035 }
1036
1037 switch (clk_id) {
1038 case DA7219_CLKSRC_MCLK_SQR:
1039 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1040 DA7219_PLL_MCLK_SQR_EN_MASK,
1041 DA7219_PLL_MCLK_SQR_EN_MASK);
1042 break;
1043 case DA7219_CLKSRC_MCLK:
1044 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1045 DA7219_PLL_MCLK_SQR_EN_MASK, 0);
1046 break;
1047 default:
1048 dev_err(codec_dai->dev, "Unknown clock source %d\n", clk_id);
1049 return -EINVAL;
1050 }
1051
1052 da7219->clk_src = clk_id;
1053
1054 if (da7219->mclk) {
1055 freq = clk_round_rate(da7219->mclk, freq);
1056 ret = clk_set_rate(da7219->mclk, freq);
1057 if (ret) {
1058 dev_err(codec_dai->dev, "Failed to set clock rate %d\n",
1059 freq);
1060 return ret;
1061 }
1062 }
1063
1064 da7219->mclk_rate = freq;
1065
1066 return 0;
1067 }
1068
da7219_set_dai_pll(struct snd_soc_dai * codec_dai,int pll_id,int source,unsigned int fref,unsigned int fout)1069 static int da7219_set_dai_pll(struct snd_soc_dai *codec_dai, int pll_id,
1070 int source, unsigned int fref, unsigned int fout)
1071 {
1072 struct snd_soc_codec *codec = codec_dai->codec;
1073 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1074
1075 u8 pll_ctrl, indiv_bits, indiv;
1076 u8 pll_frac_top, pll_frac_bot, pll_integer;
1077 u32 freq_ref;
1078 u64 frac_div;
1079
1080 /* Verify 2MHz - 54MHz MCLK provided, and set input divider */
1081 if (da7219->mclk_rate < 2000000) {
1082 dev_err(codec->dev, "PLL input clock %d below valid range\n",
1083 da7219->mclk_rate);
1084 return -EINVAL;
1085 } else if (da7219->mclk_rate <= 4500000) {
1086 indiv_bits = DA7219_PLL_INDIV_2_TO_4_5_MHZ;
1087 indiv = DA7219_PLL_INDIV_2_TO_4_5_MHZ_VAL;
1088 } else if (da7219->mclk_rate <= 9000000) {
1089 indiv_bits = DA7219_PLL_INDIV_4_5_TO_9_MHZ;
1090 indiv = DA7219_PLL_INDIV_4_5_TO_9_MHZ_VAL;
1091 } else if (da7219->mclk_rate <= 18000000) {
1092 indiv_bits = DA7219_PLL_INDIV_9_TO_18_MHZ;
1093 indiv = DA7219_PLL_INDIV_9_TO_18_MHZ_VAL;
1094 } else if (da7219->mclk_rate <= 36000000) {
1095 indiv_bits = DA7219_PLL_INDIV_18_TO_36_MHZ;
1096 indiv = DA7219_PLL_INDIV_18_TO_36_MHZ_VAL;
1097 } else if (da7219->mclk_rate <= 54000000) {
1098 indiv_bits = DA7219_PLL_INDIV_36_TO_54_MHZ;
1099 indiv = DA7219_PLL_INDIV_36_TO_54_MHZ_VAL;
1100 } else {
1101 dev_err(codec->dev, "PLL input clock %d above valid range\n",
1102 da7219->mclk_rate);
1103 return -EINVAL;
1104 }
1105 freq_ref = (da7219->mclk_rate / indiv);
1106 pll_ctrl = indiv_bits;
1107
1108 /* Configure PLL */
1109 switch (source) {
1110 case DA7219_SYSCLK_MCLK:
1111 pll_ctrl |= DA7219_PLL_MODE_BYPASS;
1112 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1113 DA7219_PLL_INDIV_MASK |
1114 DA7219_PLL_MODE_MASK, pll_ctrl);
1115 return 0;
1116 case DA7219_SYSCLK_PLL:
1117 pll_ctrl |= DA7219_PLL_MODE_NORMAL;
1118 break;
1119 case DA7219_SYSCLK_PLL_SRM:
1120 pll_ctrl |= DA7219_PLL_MODE_SRM;
1121 break;
1122 default:
1123 dev_err(codec->dev, "Invalid PLL config\n");
1124 return -EINVAL;
1125 }
1126
1127 /* Calculate dividers for PLL */
1128 pll_integer = fout / freq_ref;
1129 frac_div = (u64)(fout % freq_ref) * 8192ULL;
1130 do_div(frac_div, freq_ref);
1131 pll_frac_top = (frac_div >> DA7219_BYTE_SHIFT) & DA7219_BYTE_MASK;
1132 pll_frac_bot = (frac_div) & DA7219_BYTE_MASK;
1133
1134 /* Write PLL config & dividers */
1135 snd_soc_write(codec, DA7219_PLL_FRAC_TOP, pll_frac_top);
1136 snd_soc_write(codec, DA7219_PLL_FRAC_BOT, pll_frac_bot);
1137 snd_soc_write(codec, DA7219_PLL_INTEGER, pll_integer);
1138 snd_soc_update_bits(codec, DA7219_PLL_CTRL,
1139 DA7219_PLL_INDIV_MASK | DA7219_PLL_MODE_MASK,
1140 pll_ctrl);
1141
1142 return 0;
1143 }
1144
da7219_set_dai_fmt(struct snd_soc_dai * codec_dai,unsigned int fmt)1145 static int da7219_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
1146 {
1147 struct snd_soc_codec *codec = codec_dai->codec;
1148 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1149 u8 dai_clk_mode = 0, dai_ctrl = 0;
1150
1151 switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
1152 case SND_SOC_DAIFMT_CBM_CFM:
1153 da7219->master = true;
1154 break;
1155 case SND_SOC_DAIFMT_CBS_CFS:
1156 da7219->master = false;
1157 break;
1158 default:
1159 return -EINVAL;
1160 }
1161
1162 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1163 case SND_SOC_DAIFMT_I2S:
1164 case SND_SOC_DAIFMT_LEFT_J:
1165 case SND_SOC_DAIFMT_RIGHT_J:
1166 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1167 case SND_SOC_DAIFMT_NB_NF:
1168 break;
1169 case SND_SOC_DAIFMT_NB_IF:
1170 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1171 break;
1172 case SND_SOC_DAIFMT_IB_NF:
1173 dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1174 break;
1175 case SND_SOC_DAIFMT_IB_IF:
1176 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1177 DA7219_DAI_CLK_POL_INV;
1178 break;
1179 default:
1180 return -EINVAL;
1181 }
1182 break;
1183 case SND_SOC_DAIFMT_DSP_B:
1184 switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
1185 case SND_SOC_DAIFMT_NB_NF:
1186 dai_clk_mode |= DA7219_DAI_CLK_POL_INV;
1187 break;
1188 case SND_SOC_DAIFMT_NB_IF:
1189 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV |
1190 DA7219_DAI_CLK_POL_INV;
1191 break;
1192 case SND_SOC_DAIFMT_IB_NF:
1193 break;
1194 case SND_SOC_DAIFMT_IB_IF:
1195 dai_clk_mode |= DA7219_DAI_WCLK_POL_INV;
1196 break;
1197 default:
1198 return -EINVAL;
1199 }
1200 break;
1201 default:
1202 return -EINVAL;
1203 }
1204
1205 switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
1206 case SND_SOC_DAIFMT_I2S:
1207 dai_ctrl |= DA7219_DAI_FORMAT_I2S;
1208 break;
1209 case SND_SOC_DAIFMT_LEFT_J:
1210 dai_ctrl |= DA7219_DAI_FORMAT_LEFT_J;
1211 break;
1212 case SND_SOC_DAIFMT_RIGHT_J:
1213 dai_ctrl |= DA7219_DAI_FORMAT_RIGHT_J;
1214 break;
1215 case SND_SOC_DAIFMT_DSP_B:
1216 dai_ctrl |= DA7219_DAI_FORMAT_DSP;
1217 break;
1218 default:
1219 return -EINVAL;
1220 }
1221
1222 /* By default 64 BCLKs per WCLK is supported */
1223 dai_clk_mode |= DA7219_DAI_BCLKS_PER_WCLK_64;
1224
1225 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1226 DA7219_DAI_BCLKS_PER_WCLK_MASK |
1227 DA7219_DAI_CLK_POL_MASK | DA7219_DAI_WCLK_POL_MASK,
1228 dai_clk_mode);
1229 snd_soc_update_bits(codec, DA7219_DAI_CTRL, DA7219_DAI_FORMAT_MASK,
1230 dai_ctrl);
1231
1232 return 0;
1233 }
1234
da7219_set_dai_tdm_slot(struct snd_soc_dai * dai,unsigned int tx_mask,unsigned int rx_mask,int slots,int slot_width)1235 static int da7219_set_dai_tdm_slot(struct snd_soc_dai *dai,
1236 unsigned int tx_mask, unsigned int rx_mask,
1237 int slots, int slot_width)
1238 {
1239 struct snd_soc_codec *codec = dai->codec;
1240 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1241 u8 dai_bclks_per_wclk;
1242 u16 offset;
1243 u32 frame_size;
1244
1245 /* No channels enabled so disable TDM, revert to 64-bit frames */
1246 if (!tx_mask) {
1247 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1248 DA7219_DAI_TDM_CH_EN_MASK |
1249 DA7219_DAI_TDM_MODE_EN_MASK, 0);
1250 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1251 DA7219_DAI_BCLKS_PER_WCLK_MASK,
1252 DA7219_DAI_BCLKS_PER_WCLK_64);
1253 return 0;
1254 }
1255
1256 /* Check we have valid slots */
1257 if (fls(tx_mask) > DA7219_DAI_TDM_MAX_SLOTS) {
1258 dev_err(codec->dev, "Invalid number of slots, max = %d\n",
1259 DA7219_DAI_TDM_MAX_SLOTS);
1260 return -EINVAL;
1261 }
1262
1263 /* Check we have a valid offset given */
1264 if (rx_mask > DA7219_DAI_OFFSET_MAX) {
1265 dev_err(codec->dev, "Invalid slot offset, max = %d\n",
1266 DA7219_DAI_OFFSET_MAX);
1267 return -EINVAL;
1268 }
1269
1270 /* Calculate & validate frame size based on slot info provided. */
1271 frame_size = slots * slot_width;
1272 switch (frame_size) {
1273 case 32:
1274 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_32;
1275 break;
1276 case 64:
1277 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_64;
1278 break;
1279 case 128:
1280 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_128;
1281 break;
1282 case 256:
1283 dai_bclks_per_wclk = DA7219_DAI_BCLKS_PER_WCLK_256;
1284 break;
1285 default:
1286 dev_err(codec->dev, "Invalid frame size %d\n", frame_size);
1287 return -EINVAL;
1288 }
1289
1290 snd_soc_update_bits(codec, DA7219_DAI_CLK_MODE,
1291 DA7219_DAI_BCLKS_PER_WCLK_MASK,
1292 dai_bclks_per_wclk);
1293
1294 offset = cpu_to_le16(rx_mask);
1295 regmap_bulk_write(da7219->regmap, DA7219_DAI_OFFSET_LOWER,
1296 &offset, sizeof(offset));
1297
1298 snd_soc_update_bits(codec, DA7219_DAI_TDM_CTRL,
1299 DA7219_DAI_TDM_CH_EN_MASK |
1300 DA7219_DAI_TDM_MODE_EN_MASK,
1301 (tx_mask << DA7219_DAI_TDM_CH_EN_SHIFT) |
1302 DA7219_DAI_TDM_MODE_EN_MASK);
1303
1304 return 0;
1305 }
1306
da7219_hw_params(struct snd_pcm_substream * substream,struct snd_pcm_hw_params * params,struct snd_soc_dai * dai)1307 static int da7219_hw_params(struct snd_pcm_substream *substream,
1308 struct snd_pcm_hw_params *params,
1309 struct snd_soc_dai *dai)
1310 {
1311 struct snd_soc_codec *codec = dai->codec;
1312 u8 dai_ctrl = 0, fs;
1313 unsigned int channels;
1314
1315 switch (params_width(params)) {
1316 case 16:
1317 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S16_LE;
1318 break;
1319 case 20:
1320 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S20_LE;
1321 break;
1322 case 24:
1323 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S24_LE;
1324 break;
1325 case 32:
1326 dai_ctrl |= DA7219_DAI_WORD_LENGTH_S32_LE;
1327 break;
1328 default:
1329 return -EINVAL;
1330 }
1331
1332 channels = params_channels(params);
1333 if ((channels < 1) || (channels > DA7219_DAI_CH_NUM_MAX)) {
1334 dev_err(codec->dev,
1335 "Invalid number of channels, only 1 to %d supported\n",
1336 DA7219_DAI_CH_NUM_MAX);
1337 return -EINVAL;
1338 }
1339 dai_ctrl |= channels << DA7219_DAI_CH_NUM_SHIFT;
1340
1341 switch (params_rate(params)) {
1342 case 8000:
1343 fs = DA7219_SR_8000;
1344 break;
1345 case 11025:
1346 fs = DA7219_SR_11025;
1347 break;
1348 case 12000:
1349 fs = DA7219_SR_12000;
1350 break;
1351 case 16000:
1352 fs = DA7219_SR_16000;
1353 break;
1354 case 22050:
1355 fs = DA7219_SR_22050;
1356 break;
1357 case 24000:
1358 fs = DA7219_SR_24000;
1359 break;
1360 case 32000:
1361 fs = DA7219_SR_32000;
1362 break;
1363 case 44100:
1364 fs = DA7219_SR_44100;
1365 break;
1366 case 48000:
1367 fs = DA7219_SR_48000;
1368 break;
1369 case 88200:
1370 fs = DA7219_SR_88200;
1371 break;
1372 case 96000:
1373 fs = DA7219_SR_96000;
1374 break;
1375 default:
1376 return -EINVAL;
1377 }
1378
1379 snd_soc_update_bits(codec, DA7219_DAI_CTRL,
1380 DA7219_DAI_WORD_LENGTH_MASK |
1381 DA7219_DAI_CH_NUM_MASK,
1382 dai_ctrl);
1383 snd_soc_write(codec, DA7219_SR, fs);
1384
1385 return 0;
1386 }
1387
1388 static const struct snd_soc_dai_ops da7219_dai_ops = {
1389 .hw_params = da7219_hw_params,
1390 .set_sysclk = da7219_set_dai_sysclk,
1391 .set_pll = da7219_set_dai_pll,
1392 .set_fmt = da7219_set_dai_fmt,
1393 .set_tdm_slot = da7219_set_dai_tdm_slot,
1394 };
1395
1396 #define DA7219_FORMATS (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S20_3LE |\
1397 SNDRV_PCM_FMTBIT_S24_LE | SNDRV_PCM_FMTBIT_S32_LE)
1398
1399 static struct snd_soc_dai_driver da7219_dai = {
1400 .name = "da7219-hifi",
1401 .playback = {
1402 .stream_name = "Playback",
1403 .channels_min = 1,
1404 .channels_max = DA7219_DAI_CH_NUM_MAX,
1405 .rates = SNDRV_PCM_RATE_8000_96000,
1406 .formats = DA7219_FORMATS,
1407 },
1408 .capture = {
1409 .stream_name = "Capture",
1410 .channels_min = 1,
1411 .channels_max = DA7219_DAI_CH_NUM_MAX,
1412 .rates = SNDRV_PCM_RATE_8000_96000,
1413 .formats = DA7219_FORMATS,
1414 },
1415 .ops = &da7219_dai_ops,
1416 .symmetric_rates = 1,
1417 .symmetric_channels = 1,
1418 .symmetric_samplebits = 1,
1419 };
1420
1421
1422 /*
1423 * DT/ACPI
1424 */
1425
1426 static const struct of_device_id da7219_of_match[] = {
1427 { .compatible = "dlg,da7219", },
1428 { }
1429 };
1430 MODULE_DEVICE_TABLE(of, da7219_of_match);
1431
1432 static const struct acpi_device_id da7219_acpi_match[] = {
1433 { .id = "DLGS7219", },
1434 { }
1435 };
1436 MODULE_DEVICE_TABLE(acpi, da7219_acpi_match);
1437
1438 static enum da7219_micbias_voltage
da7219_fw_micbias_lvl(struct device * dev,u32 val)1439 da7219_fw_micbias_lvl(struct device *dev, u32 val)
1440 {
1441 switch (val) {
1442 case 1600:
1443 return DA7219_MICBIAS_1_6V;
1444 case 1800:
1445 return DA7219_MICBIAS_1_8V;
1446 case 2000:
1447 return DA7219_MICBIAS_2_0V;
1448 case 2200:
1449 return DA7219_MICBIAS_2_2V;
1450 case 2400:
1451 return DA7219_MICBIAS_2_4V;
1452 case 2600:
1453 return DA7219_MICBIAS_2_6V;
1454 default:
1455 dev_warn(dev, "Invalid micbias level");
1456 return DA7219_MICBIAS_2_2V;
1457 }
1458 }
1459
1460 static enum da7219_mic_amp_in_sel
da7219_fw_mic_amp_in_sel(struct device * dev,const char * str)1461 da7219_fw_mic_amp_in_sel(struct device *dev, const char *str)
1462 {
1463 if (!strcmp(str, "diff")) {
1464 return DA7219_MIC_AMP_IN_SEL_DIFF;
1465 } else if (!strcmp(str, "se_p")) {
1466 return DA7219_MIC_AMP_IN_SEL_SE_P;
1467 } else if (!strcmp(str, "se_n")) {
1468 return DA7219_MIC_AMP_IN_SEL_SE_N;
1469 } else {
1470 dev_warn(dev, "Invalid mic input type selection");
1471 return DA7219_MIC_AMP_IN_SEL_DIFF;
1472 }
1473 }
1474
da7219_fw_to_pdata(struct snd_soc_codec * codec)1475 static struct da7219_pdata *da7219_fw_to_pdata(struct snd_soc_codec *codec)
1476 {
1477 struct device *dev = codec->dev;
1478 struct da7219_pdata *pdata;
1479 const char *of_str;
1480 u32 of_val32;
1481
1482 pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
1483 if (!pdata)
1484 return NULL;
1485
1486 pdata->wakeup_source = device_property_read_bool(dev, "wakeup-source");
1487
1488 if (device_property_read_u32(dev, "dlg,micbias-lvl", &of_val32) >= 0)
1489 pdata->micbias_lvl = da7219_fw_micbias_lvl(dev, of_val32);
1490 else
1491 pdata->micbias_lvl = DA7219_MICBIAS_2_2V;
1492
1493 if (!device_property_read_string(dev, "dlg,mic-amp-in-sel", &of_str))
1494 pdata->mic_amp_in_sel = da7219_fw_mic_amp_in_sel(dev, of_str);
1495 else
1496 pdata->mic_amp_in_sel = DA7219_MIC_AMP_IN_SEL_DIFF;
1497
1498 return pdata;
1499 }
1500
1501
1502 /*
1503 * Codec driver functions
1504 */
1505
da7219_set_bias_level(struct snd_soc_codec * codec,enum snd_soc_bias_level level)1506 static int da7219_set_bias_level(struct snd_soc_codec *codec,
1507 enum snd_soc_bias_level level)
1508 {
1509 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1510 int ret;
1511
1512 switch (level) {
1513 case SND_SOC_BIAS_ON:
1514 break;
1515 case SND_SOC_BIAS_PREPARE:
1516 /* Enable MCLK for transition to ON state */
1517 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_STANDBY) {
1518 if (da7219->mclk) {
1519 ret = clk_prepare_enable(da7219->mclk);
1520 if (ret) {
1521 dev_err(codec->dev,
1522 "Failed to enable mclk\n");
1523 return ret;
1524 }
1525 }
1526 }
1527
1528 break;
1529 case SND_SOC_BIAS_STANDBY:
1530 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_OFF)
1531 /* Master bias */
1532 snd_soc_update_bits(codec, DA7219_REFERENCES,
1533 DA7219_BIAS_EN_MASK,
1534 DA7219_BIAS_EN_MASK);
1535
1536 if (snd_soc_codec_get_bias_level(codec) == SND_SOC_BIAS_PREPARE) {
1537 /* Remove MCLK */
1538 if (da7219->mclk)
1539 clk_disable_unprepare(da7219->mclk);
1540 }
1541 break;
1542 case SND_SOC_BIAS_OFF:
1543 /* Only disable master bias if we're not a wake-up source */
1544 if (!da7219->wakeup_source)
1545 snd_soc_update_bits(codec, DA7219_REFERENCES,
1546 DA7219_BIAS_EN_MASK, 0);
1547
1548 break;
1549 }
1550
1551 return 0;
1552 }
1553
1554 static const char *da7219_supply_names[DA7219_NUM_SUPPLIES] = {
1555 [DA7219_SUPPLY_VDD] = "VDD",
1556 [DA7219_SUPPLY_VDDMIC] = "VDDMIC",
1557 [DA7219_SUPPLY_VDDIO] = "VDDIO",
1558 };
1559
da7219_handle_supplies(struct snd_soc_codec * codec)1560 static int da7219_handle_supplies(struct snd_soc_codec *codec)
1561 {
1562 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1563 struct regulator *vddio;
1564 u8 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_2_5V_3_6V;
1565 int i, ret;
1566
1567 /* Get required supplies */
1568 for (i = 0; i < DA7219_NUM_SUPPLIES; ++i)
1569 da7219->supplies[i].supply = da7219_supply_names[i];
1570
1571 ret = devm_regulator_bulk_get(codec->dev, DA7219_NUM_SUPPLIES,
1572 da7219->supplies);
1573 if (ret) {
1574 dev_err(codec->dev, "Failed to get supplies");
1575 return ret;
1576 }
1577
1578 /* Determine VDDIO voltage provided */
1579 vddio = da7219->supplies[DA7219_SUPPLY_VDDIO].consumer;
1580 ret = regulator_get_voltage(vddio);
1581 if (ret < 1200000)
1582 dev_warn(codec->dev, "Invalid VDDIO voltage\n");
1583 else if (ret < 2800000)
1584 io_voltage_lvl = DA7219_IO_VOLTAGE_LEVEL_1_2V_2_8V;
1585
1586 /* Enable main supplies */
1587 ret = regulator_bulk_enable(DA7219_NUM_SUPPLIES, da7219->supplies);
1588 if (ret) {
1589 dev_err(codec->dev, "Failed to enable supplies");
1590 return ret;
1591 }
1592
1593 /* Ensure device in active mode */
1594 snd_soc_write(codec, DA7219_SYSTEM_ACTIVE, DA7219_SYSTEM_ACTIVE_MASK);
1595
1596 /* Update IO voltage level range */
1597 snd_soc_write(codec, DA7219_IO_CTRL, io_voltage_lvl);
1598
1599 return 0;
1600 }
1601
da7219_handle_pdata(struct snd_soc_codec * codec)1602 static void da7219_handle_pdata(struct snd_soc_codec *codec)
1603 {
1604 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1605 struct da7219_pdata *pdata = da7219->pdata;
1606
1607 if (pdata) {
1608 u8 micbias_lvl = 0;
1609
1610 da7219->wakeup_source = pdata->wakeup_source;
1611
1612 /* Mic Bias voltages */
1613 switch (pdata->micbias_lvl) {
1614 case DA7219_MICBIAS_1_6V:
1615 case DA7219_MICBIAS_1_8V:
1616 case DA7219_MICBIAS_2_0V:
1617 case DA7219_MICBIAS_2_2V:
1618 case DA7219_MICBIAS_2_4V:
1619 case DA7219_MICBIAS_2_6V:
1620 micbias_lvl |= (pdata->micbias_lvl <<
1621 DA7219_MICBIAS1_LEVEL_SHIFT);
1622 break;
1623 }
1624
1625 snd_soc_write(codec, DA7219_MICBIAS_CTRL, micbias_lvl);
1626
1627 /* Mic */
1628 switch (pdata->mic_amp_in_sel) {
1629 case DA7219_MIC_AMP_IN_SEL_DIFF:
1630 case DA7219_MIC_AMP_IN_SEL_SE_P:
1631 case DA7219_MIC_AMP_IN_SEL_SE_N:
1632 snd_soc_write(codec, DA7219_MIC_1_SELECT,
1633 pdata->mic_amp_in_sel);
1634 break;
1635 }
1636 }
1637 }
1638
1639 static struct reg_sequence da7219_rev_aa_patch[] = {
1640 { DA7219_REFERENCES, 0x08 },
1641 };
1642
da7219_probe(struct snd_soc_codec * codec)1643 static int da7219_probe(struct snd_soc_codec *codec)
1644 {
1645 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1646 unsigned int rev;
1647 int ret;
1648
1649 mutex_init(&da7219->lock);
1650
1651 /* Regulator configuration */
1652 ret = da7219_handle_supplies(codec);
1653 if (ret)
1654 return ret;
1655
1656 ret = regmap_read(da7219->regmap, DA7219_CHIP_REVISION, &rev);
1657 if (ret) {
1658 dev_err(codec->dev, "Failed to read chip revision: %d\n", ret);
1659 goto err_disable_reg;
1660 }
1661
1662 switch (rev & DA7219_CHIP_MINOR_MASK) {
1663 case 0:
1664 ret = regmap_register_patch(da7219->regmap, da7219_rev_aa_patch,
1665 ARRAY_SIZE(da7219_rev_aa_patch));
1666 if (ret) {
1667 dev_err(codec->dev, "Failed to register AA patch: %d\n",
1668 ret);
1669 goto err_disable_reg;
1670 }
1671 break;
1672 default:
1673 break;
1674 }
1675
1676 /* Handle DT/ACPI/Platform data */
1677 da7219->pdata = dev_get_platdata(codec->dev);
1678 if (!da7219->pdata)
1679 da7219->pdata = da7219_fw_to_pdata(codec);
1680
1681 da7219_handle_pdata(codec);
1682
1683 /* Check if MCLK provided */
1684 da7219->mclk = devm_clk_get(codec->dev, "mclk");
1685 if (IS_ERR(da7219->mclk)) {
1686 if (PTR_ERR(da7219->mclk) != -ENOENT) {
1687 ret = PTR_ERR(da7219->mclk);
1688 goto err_disable_reg;
1689 } else {
1690 da7219->mclk = NULL;
1691 }
1692 }
1693
1694 /* Default PC counter to free-running */
1695 snd_soc_update_bits(codec, DA7219_PC_COUNT, DA7219_PC_FREERUN_MASK,
1696 DA7219_PC_FREERUN_MASK);
1697
1698 /* Default gain ramping */
1699 snd_soc_update_bits(codec, DA7219_MIXIN_L_CTRL,
1700 DA7219_MIXIN_L_AMP_RAMP_EN_MASK,
1701 DA7219_MIXIN_L_AMP_RAMP_EN_MASK);
1702 snd_soc_update_bits(codec, DA7219_ADC_L_CTRL, DA7219_ADC_L_RAMP_EN_MASK,
1703 DA7219_ADC_L_RAMP_EN_MASK);
1704 snd_soc_update_bits(codec, DA7219_DAC_L_CTRL, DA7219_DAC_L_RAMP_EN_MASK,
1705 DA7219_DAC_L_RAMP_EN_MASK);
1706 snd_soc_update_bits(codec, DA7219_DAC_R_CTRL, DA7219_DAC_R_RAMP_EN_MASK,
1707 DA7219_DAC_R_RAMP_EN_MASK);
1708 snd_soc_update_bits(codec, DA7219_HP_L_CTRL,
1709 DA7219_HP_L_AMP_RAMP_EN_MASK,
1710 DA7219_HP_L_AMP_RAMP_EN_MASK);
1711 snd_soc_update_bits(codec, DA7219_HP_R_CTRL,
1712 DA7219_HP_R_AMP_RAMP_EN_MASK,
1713 DA7219_HP_R_AMP_RAMP_EN_MASK);
1714
1715 /* Default infinite tone gen, start/stop by Kcontrol */
1716 snd_soc_write(codec, DA7219_TONE_GEN_CYCLES, DA7219_BEEP_CYCLES_MASK);
1717
1718 /* Initialise AAD block */
1719 ret = da7219_aad_init(codec);
1720 if (ret)
1721 goto err_disable_reg;
1722
1723 return 0;
1724
1725 err_disable_reg:
1726 regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1727
1728 return ret;
1729 }
1730
da7219_remove(struct snd_soc_codec * codec)1731 static int da7219_remove(struct snd_soc_codec *codec)
1732 {
1733 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1734
1735 da7219_aad_exit(codec);
1736
1737 /* Supplies */
1738 return regulator_bulk_disable(DA7219_NUM_SUPPLIES, da7219->supplies);
1739 }
1740
1741 #ifdef CONFIG_PM
da7219_suspend(struct snd_soc_codec * codec)1742 static int da7219_suspend(struct snd_soc_codec *codec)
1743 {
1744 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1745
1746 /* Suspend AAD if we're not a wake-up source */
1747 if (!da7219->wakeup_source)
1748 da7219_aad_suspend(codec);
1749
1750 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_OFF);
1751
1752 return 0;
1753 }
1754
da7219_resume(struct snd_soc_codec * codec)1755 static int da7219_resume(struct snd_soc_codec *codec)
1756 {
1757 struct da7219_priv *da7219 = snd_soc_codec_get_drvdata(codec);
1758
1759 snd_soc_codec_force_bias_level(codec, SND_SOC_BIAS_STANDBY);
1760
1761 /* Resume AAD if previously suspended */
1762 if (!da7219->wakeup_source)
1763 da7219_aad_resume(codec);
1764
1765 return 0;
1766 }
1767 #else
1768 #define da7219_suspend NULL
1769 #define da7219_resume NULL
1770 #endif
1771
1772 static struct snd_soc_codec_driver soc_codec_dev_da7219 = {
1773 .probe = da7219_probe,
1774 .remove = da7219_remove,
1775 .suspend = da7219_suspend,
1776 .resume = da7219_resume,
1777 .set_bias_level = da7219_set_bias_level,
1778
1779 .component_driver = {
1780 .controls = da7219_snd_controls,
1781 .num_controls = ARRAY_SIZE(da7219_snd_controls),
1782 .dapm_widgets = da7219_dapm_widgets,
1783 .num_dapm_widgets = ARRAY_SIZE(da7219_dapm_widgets),
1784 .dapm_routes = da7219_audio_map,
1785 .num_dapm_routes = ARRAY_SIZE(da7219_audio_map),
1786 },
1787 };
1788
1789
1790 /*
1791 * Regmap configs
1792 */
1793
1794 static struct reg_default da7219_reg_defaults[] = {
1795 { DA7219_MIC_1_SELECT, 0x00 },
1796 { DA7219_CIF_TIMEOUT_CTRL, 0x01 },
1797 { DA7219_SR_24_48, 0x00 },
1798 { DA7219_SR, 0x0A },
1799 { DA7219_CIF_I2C_ADDR_CFG, 0x02 },
1800 { DA7219_PLL_CTRL, 0x10 },
1801 { DA7219_PLL_FRAC_TOP, 0x00 },
1802 { DA7219_PLL_FRAC_BOT, 0x00 },
1803 { DA7219_PLL_INTEGER, 0x20 },
1804 { DA7219_DIG_ROUTING_DAI, 0x10 },
1805 { DA7219_DAI_CLK_MODE, 0x01 },
1806 { DA7219_DAI_CTRL, 0x28 },
1807 { DA7219_DAI_TDM_CTRL, 0x40 },
1808 { DA7219_DIG_ROUTING_DAC, 0x32 },
1809 { DA7219_DAI_OFFSET_LOWER, 0x00 },
1810 { DA7219_DAI_OFFSET_UPPER, 0x00 },
1811 { DA7219_REFERENCES, 0x08 },
1812 { DA7219_MIXIN_L_SELECT, 0x00 },
1813 { DA7219_MIXIN_L_GAIN, 0x03 },
1814 { DA7219_ADC_L_GAIN, 0x6F },
1815 { DA7219_ADC_FILTERS1, 0x80 },
1816 { DA7219_MIC_1_GAIN, 0x01 },
1817 { DA7219_SIDETONE_CTRL, 0x40 },
1818 { DA7219_SIDETONE_GAIN, 0x0E },
1819 { DA7219_DROUTING_ST_OUTFILT_1L, 0x01 },
1820 { DA7219_DROUTING_ST_OUTFILT_1R, 0x02 },
1821 { DA7219_DAC_FILTERS5, 0x00 },
1822 { DA7219_DAC_FILTERS2, 0x88 },
1823 { DA7219_DAC_FILTERS3, 0x88 },
1824 { DA7219_DAC_FILTERS4, 0x08 },
1825 { DA7219_DAC_FILTERS1, 0x80 },
1826 { DA7219_DAC_L_GAIN, 0x6F },
1827 { DA7219_DAC_R_GAIN, 0x6F },
1828 { DA7219_CP_CTRL, 0x20 },
1829 { DA7219_HP_L_GAIN, 0x39 },
1830 { DA7219_HP_R_GAIN, 0x39 },
1831 { DA7219_MIXOUT_L_SELECT, 0x00 },
1832 { DA7219_MIXOUT_R_SELECT, 0x00 },
1833 { DA7219_MICBIAS_CTRL, 0x03 },
1834 { DA7219_MIC_1_CTRL, 0x40 },
1835 { DA7219_MIXIN_L_CTRL, 0x40 },
1836 { DA7219_ADC_L_CTRL, 0x40 },
1837 { DA7219_DAC_L_CTRL, 0x40 },
1838 { DA7219_DAC_R_CTRL, 0x40 },
1839 { DA7219_HP_L_CTRL, 0x40 },
1840 { DA7219_HP_R_CTRL, 0x40 },
1841 { DA7219_MIXOUT_L_CTRL, 0x10 },
1842 { DA7219_MIXOUT_R_CTRL, 0x10 },
1843 { DA7219_CHIP_ID1, 0x23 },
1844 { DA7219_CHIP_ID2, 0x93 },
1845 { DA7219_IO_CTRL, 0x00 },
1846 { DA7219_GAIN_RAMP_CTRL, 0x00 },
1847 { DA7219_PC_COUNT, 0x02 },
1848 { DA7219_CP_VOL_THRESHOLD1, 0x0E },
1849 { DA7219_DIG_CTRL, 0x00 },
1850 { DA7219_ALC_CTRL2, 0x00 },
1851 { DA7219_ALC_CTRL3, 0x00 },
1852 { DA7219_ALC_NOISE, 0x3F },
1853 { DA7219_ALC_TARGET_MIN, 0x3F },
1854 { DA7219_ALC_TARGET_MAX, 0x00 },
1855 { DA7219_ALC_GAIN_LIMITS, 0xFF },
1856 { DA7219_ALC_ANA_GAIN_LIMITS, 0x71 },
1857 { DA7219_ALC_ANTICLIP_CTRL, 0x00 },
1858 { DA7219_ALC_ANTICLIP_LEVEL, 0x00 },
1859 { DA7219_DAC_NG_SETUP_TIME, 0x00 },
1860 { DA7219_DAC_NG_OFF_THRESH, 0x00 },
1861 { DA7219_DAC_NG_ON_THRESH, 0x00 },
1862 { DA7219_DAC_NG_CTRL, 0x00 },
1863 { DA7219_TONE_GEN_CFG1, 0x00 },
1864 { DA7219_TONE_GEN_CFG2, 0x00 },
1865 { DA7219_TONE_GEN_CYCLES, 0x00 },
1866 { DA7219_TONE_GEN_FREQ1_L, 0x55 },
1867 { DA7219_TONE_GEN_FREQ1_U, 0x15 },
1868 { DA7219_TONE_GEN_FREQ2_L, 0x00 },
1869 { DA7219_TONE_GEN_FREQ2_U, 0x40 },
1870 { DA7219_TONE_GEN_ON_PER, 0x02 },
1871 { DA7219_TONE_GEN_OFF_PER, 0x01 },
1872 { DA7219_ACCDET_IRQ_MASK_A, 0x00 },
1873 { DA7219_ACCDET_IRQ_MASK_B, 0x00 },
1874 { DA7219_ACCDET_CONFIG_1, 0xD6 },
1875 { DA7219_ACCDET_CONFIG_2, 0x34 },
1876 { DA7219_ACCDET_CONFIG_3, 0x0A },
1877 { DA7219_ACCDET_CONFIG_4, 0x16 },
1878 { DA7219_ACCDET_CONFIG_5, 0x21 },
1879 { DA7219_ACCDET_CONFIG_6, 0x3E },
1880 { DA7219_ACCDET_CONFIG_7, 0x01 },
1881 { DA7219_SYSTEM_ACTIVE, 0x00 },
1882 };
1883
da7219_volatile_register(struct device * dev,unsigned int reg)1884 static bool da7219_volatile_register(struct device *dev, unsigned int reg)
1885 {
1886 switch (reg) {
1887 case DA7219_MIC_1_GAIN_STATUS:
1888 case DA7219_MIXIN_L_GAIN_STATUS:
1889 case DA7219_ADC_L_GAIN_STATUS:
1890 case DA7219_DAC_L_GAIN_STATUS:
1891 case DA7219_DAC_R_GAIN_STATUS:
1892 case DA7219_HP_L_GAIN_STATUS:
1893 case DA7219_HP_R_GAIN_STATUS:
1894 case DA7219_CIF_CTRL:
1895 case DA7219_PLL_SRM_STS:
1896 case DA7219_ALC_CTRL1:
1897 case DA7219_SYSTEM_MODES_INPUT:
1898 case DA7219_SYSTEM_MODES_OUTPUT:
1899 case DA7219_ALC_OFFSET_AUTO_M_L:
1900 case DA7219_ALC_OFFSET_AUTO_U_L:
1901 case DA7219_TONE_GEN_CFG1:
1902 case DA7219_ACCDET_STATUS_A:
1903 case DA7219_ACCDET_STATUS_B:
1904 case DA7219_ACCDET_IRQ_EVENT_A:
1905 case DA7219_ACCDET_IRQ_EVENT_B:
1906 case DA7219_ACCDET_CONFIG_8:
1907 case DA7219_SYSTEM_STATUS:
1908 return 1;
1909 default:
1910 return 0;
1911 }
1912 }
1913
1914 static const struct regmap_config da7219_regmap_config = {
1915 .reg_bits = 8,
1916 .val_bits = 8,
1917
1918 .max_register = DA7219_SYSTEM_ACTIVE,
1919 .reg_defaults = da7219_reg_defaults,
1920 .num_reg_defaults = ARRAY_SIZE(da7219_reg_defaults),
1921 .volatile_reg = da7219_volatile_register,
1922 .cache_type = REGCACHE_RBTREE,
1923 };
1924
1925
1926 /*
1927 * I2C layer
1928 */
1929
da7219_i2c_probe(struct i2c_client * i2c,const struct i2c_device_id * id)1930 static int da7219_i2c_probe(struct i2c_client *i2c,
1931 const struct i2c_device_id *id)
1932 {
1933 struct da7219_priv *da7219;
1934 unsigned int system_active, system_status;
1935 int i, ret;
1936
1937 da7219 = devm_kzalloc(&i2c->dev, sizeof(struct da7219_priv),
1938 GFP_KERNEL);
1939 if (!da7219)
1940 return -ENOMEM;
1941
1942 i2c_set_clientdata(i2c, da7219);
1943
1944 da7219->regmap = devm_regmap_init_i2c(i2c, &da7219_regmap_config);
1945 if (IS_ERR(da7219->regmap)) {
1946 ret = PTR_ERR(da7219->regmap);
1947 dev_err(&i2c->dev, "regmap_init() failed: %d\n", ret);
1948 return ret;
1949 }
1950
1951 regcache_cache_bypass(da7219->regmap, true);
1952
1953 /* Disable audio paths if still active from previous start */
1954 regmap_read(da7219->regmap, DA7219_SYSTEM_ACTIVE, &system_active);
1955 if (system_active) {
1956 regmap_write(da7219->regmap, DA7219_GAIN_RAMP_CTRL,
1957 DA7219_GAIN_RAMP_RATE_NOMINAL);
1958 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_INPUT, 0x00);
1959 regmap_write(da7219->regmap, DA7219_SYSTEM_MODES_OUTPUT, 0x01);
1960
1961 for (i = 0; i < DA7219_SYS_STAT_CHECK_RETRIES; ++i) {
1962 regmap_read(da7219->regmap, DA7219_SYSTEM_STATUS,
1963 &system_status);
1964 if (!system_status)
1965 break;
1966
1967 msleep(DA7219_SYS_STAT_CHECK_DELAY);
1968 }
1969 }
1970
1971 /* Soft reset codec */
1972 regmap_write_bits(da7219->regmap, DA7219_ACCDET_CONFIG_1,
1973 DA7219_ACCDET_EN_MASK, 0);
1974 regmap_write_bits(da7219->regmap, DA7219_CIF_CTRL,
1975 DA7219_CIF_REG_SOFT_RESET_MASK,
1976 DA7219_CIF_REG_SOFT_RESET_MASK);
1977 regmap_write_bits(da7219->regmap, DA7219_SYSTEM_ACTIVE,
1978 DA7219_SYSTEM_ACTIVE_MASK, 0);
1979
1980 regcache_cache_bypass(da7219->regmap, false);
1981
1982 ret = snd_soc_register_codec(&i2c->dev, &soc_codec_dev_da7219,
1983 &da7219_dai, 1);
1984 if (ret < 0) {
1985 dev_err(&i2c->dev, "Failed to register da7219 codec: %d\n",
1986 ret);
1987 }
1988 return ret;
1989 }
1990
da7219_i2c_remove(struct i2c_client * client)1991 static int da7219_i2c_remove(struct i2c_client *client)
1992 {
1993 snd_soc_unregister_codec(&client->dev);
1994 return 0;
1995 }
1996
1997 static const struct i2c_device_id da7219_i2c_id[] = {
1998 { "da7219", },
1999 { }
2000 };
2001 MODULE_DEVICE_TABLE(i2c, da7219_i2c_id);
2002
2003 static struct i2c_driver da7219_i2c_driver = {
2004 .driver = {
2005 .name = "da7219",
2006 .of_match_table = of_match_ptr(da7219_of_match),
2007 .acpi_match_table = ACPI_PTR(da7219_acpi_match),
2008 },
2009 .probe = da7219_i2c_probe,
2010 .remove = da7219_i2c_remove,
2011 .id_table = da7219_i2c_id,
2012 };
2013
2014 module_i2c_driver(da7219_i2c_driver);
2015
2016 MODULE_DESCRIPTION("ASoC DA7219 Codec Driver");
2017 MODULE_AUTHOR("Adam Thomson <Adam.Thomson.Opensource@diasemi.com>");
2018 MODULE_LICENSE("GPL");
2019